HEIGHT ADJUSTMENT MECHANISM, PLATFORM AND METHOD

Abstract

A height adjustment mechanism is provided. The height adjustment mechanism includes a lifting arm, a driving mechanism configured to drive and lock the lifting arm, and a control switch configured to control the driving mechanism; the driving mechanism is coupled to the lifting arm, and an angle is formed between the driving mechanism and the lifting arm. A height adjustment platform and method is also provided. The height adjustment platform includes a first working table, a bottom bracket, a lifting arm, a driving mechanism configured to drive and lock the lifting arm, and a control switch configured to control the driving mechanism; two opposite ends of the lifting arms are separately coupled to the first working table and the bottom bracket, the driving mechanism is coupled to the lifting arm, and the angle is formed between the driving mechanism and the lifting arm.

Claims

1. A height adjustment mechanism comprising: a lifting arm comprising a first elongate portion and a second elongate portion; a driving mechanism configured to drive and lock the lifting arm, wherein a first end of the driving mechanism is connected to the first elongate portion of the lifting arm and a second end of the driving mechanism is connected to the second elongate portion of the lifting arm; and a control switch configured to control the driving mechanism; wherein an angle θ is formed between the driving mechanism and the lifting arm; and wherein the lifting arm further comprises a first joint device, and a second joint device; two ends of each of the first elongate portion and the second elongate portion are coupled to the first joint device and the second joint device, respectively.

2. The height adjustment mechanism of claim 1, wherein the first elongate portion and the second elongate portion are two parallel rods; the two rods, the first joint device, and the second joint device are coupled end to end to cooperatively form a parallelogram structure.

3. The height adjustment mechanism of claim 2, wherein the second joint device is coupled to the bottom bracket.

4. The height adjustment mechanism of claim 2, wherein the driving mechanism is positioned in the parallelogram structure, and the angle θ is formed between the driving mechanism and the parallel rods of the lifting arm.

5. (canceled)

6. (canceled)

7. The height adjustment mechanism of claim 1, wherein a power device is integrated with a locking device to form the driving mechanism, or the driving mechanism comprises the power device and the locking device positioned apart from the power device.

8. The height adjustment mechanism of claim 1, wherein the driving mechanism is a self-locking gas spring, the self-locking gas spring comprises a base body, a releasing rod, and a releasing head coupled to the base body via the releasing rod.

9. The height adjustment mechanism of claim 1, wherein the control switch comprises a control wire, a fasten member, and a handle mounted on the fasten member; a first end of the control wire is coupled to the handle, a second end of the control wire is coupled to the releasing head of the self-locking gas spring.

10. A height adjustment platform comprising: a first working table; a bottom bracket; at least one lifting arm comprising a first elongate portion and a second elongate portion; at least one driving mechanism configured to drive and lock the lifting arm, wherein a first end of the driving mechanism is connected to the first elongate portion of the lifting arm and a second end of the driving mechanism is connected to the second elongate portion of the lifting arm; and at least one control switch configured to control the driving mechanism; wherein an angle θ is formed between the driving mechanism and the lifting arm; and wherein the lifting arm further comprises a first joint device, and a second joint device; opposite ends of each of the first elongate portion and the second elongate portion are coupled to the first joint device and the second joint device, respectively; the first joint device is coupled to the first working table; and the second joint device is coupled to the bottom bracket.

11. The height adjustment platform of claim 10, wherein the lifting arm is rotatably coupled to the first working table and the bottom bracket; when in use, the lifting arm and the bottom bracket rotate relative to one another to form an angle α ranging from 0 to 60 degrees.

12. The height adjustment platform of claim 10, comprising two lifting arms and at least one connecting rod, wherein the two lifting arms are positioned on opposite sides between the first working table and the bottom bracket, the connecting rod is positioned between the two lifting arms, and two opposite ends of the connecting rod are coupled to the two lifting arms.

13. The height adjustment platform of claim 10, further comprising a second working table positioned below the first working table, wherein the second working table is coupled to the bottom of the first working table via at least one support arm.

14. The height adjustment platform of claim 13, wherein an area of the second working table is more than a half of the area of the first working table.

15. A height adjustment method comprising: applying a first working table, a bottom bracket, at least one lifting arm comprising a first elongate portion and a second elongate portion, at least one driving mechanism configured to drive and lock the lifting arm, and at least one control switch configured to control the driving mechanism, wherein a first end of the driving mechanism is connected to the first elongate portion of the lifting arm and a second end of the driving mechanism is connected to the second elongate portion of the lifting arm, wherein two ends of the lifting arm are respectively coupled to the first working table and the bottom bracket, and wherein an angle θ is formed between the driving mechanism and the lifting arm; and controlling the driving mechanism via the control switch to move the lifting arm, so as to move up or move down the first working table.

16. The height adjustment method of claim 15, further comprising: controlling the driving mechanism to start, and lifting or pressing the first working table, such that the driving mechanism can jack up or move down the first working table; and controlling the driving mechanism to close after the first working table moves to a predetermined position which is located between the lowest point and the highest point of the first working table, and locking the first working table to the predetermined position.

17. The height adjustment method of claim 15, wherein the lifting arm further comprises a first joint device, and a second joint device; opposite ends of each of the first elongate portion and the second elongate portion are coupled to the first joint device and the second joint device, respectively; the first joint device is coupled to the first working table; and the second joint device is coupled to the bottom bracket

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Implementations of the present technology will now be described, by way of example only, with reference to the attached figures.

[0037] FIG. 1 is an isometric view of a first embodiment of a height adjustment platform.

[0038] FIG. 2 is a right side elevational view of the height adjustment platform of FIG. 1.

[0039] FIG. 3 is an enlarge view of the portion A of FIG. 2.

[0040] FIG. 4 is similar to FIG. 1, but viewed from another angle.

[0041] FIG. 5 is an isometric view of a control switch for controlling the height adjustment platform.

[0042] FIG. 6 is an isometric view of a second embodiment of a height adjustment platform.

[0043] FIG. 7 is an isometric view of a third embodiment of a height adjustment platform.

[0044] FIG. 8 is an isometric view of a forth embodiment of a height adjustment platform.

[0045] FIG. 9 and FIG. 10 cooperatively show an isometric view of a fifth embodiment of a height adjustment platform.

[0046] FIG. 11 is an isometric view of a sixth embodiment of a height adjustment platform.

[0047] FIG. 12 is an isometric view of a seventh embodiment of a height adjustment platform.

[0048] In the drawings, reference number 1 refers to the first working table, reference number 2 refers to the bottom bracket, reference number 21 refers to the pole, reference number 22 refers to the strengthening rib, reference number 3 refers to the lifting arm, reference number 31 refers to the first rod, reference number 32 refers to the second rod, reference number 33 refers to the first joint device, reference number 331 refers to the first hinge point between the first rod and the first joint device, reference number 332 refers to the third hinge point between the second rod and the first joint device, reference number 34 refers to the second joint device, reference number 341 refers to the second hinge point between the first rod and the second joint device, reference number 342 refers to the forth hinge point between the second rod and the hinge device, reference number 4 refers to the self-locking gas spring, reference number 41 refers to the base body, reference number 42 refers to the releasing rod, reference number 43 refers to the releasing head, reference number 5 refers to the control switch, reference number 51 refers to the control wire, reference number 52 refers to the fasten member, reference number 53 refers to the handle, reference number 8 refers to the connecting rod, reference number 9 refers to the second working table, reference number 10 refers to the support arm, reference number 11 refers to the support rod, reference number 12 refers to the power device, reference number 13 refers to the locking device, reference number 131 refers to the telescopic pole 131, reference number 132 refers to the button switch, and reference number 14 refers to the pushing rod.

DETAILED DESCRIPTION

[0049] It will be appreciated that for simplicity and clarity of illustration, where appropriate, reference numerals have been repeated among the different figures to indicate corresponding or analogous elements. In addition, numerous specific details are set forth in order to provide a thorough understanding of the embodiments described herein. However, it will be understood by those of ordinary skill in the art that the embodiments described herein can be practiced without these specific details. In other instances, methods, procedures, and components have not been described in detail so as not to obscure the related relevant feature being described. Also, the description is not to be considered as limiting the scope of the embodiments described herein. The drawings are not necessarily to scale and the proportions of certain parts may be exaggerated to better illustrate details and features of the present disclosure.

[0050] All of the angle θ described in the claims and the summary of the invention, and the angles θ.sub.3, θ.sub.6, θ.sub.7, and θ.sub.9 described in the embodiments refer to the angle formed between the driving mechanism and the lifting arm.

First Embodiment

[0051] FIGS. 1-5 illustrate a height adjustment platform of a first embodiment. The height adjustment platform can include a first working table 1, a bottom bracket 2, two lifting arms 3, two driving mechanisms used to drive the lifting arms 3, and a control switch 5 configured to control the driving mechanism. Two ends of each lifting arm 3 can be rotatably coupled to the first working table 1 and the bottom bracket 2, respectively. When in use, the lifting arms 3 and the bottom bracket 2 can rotate an angle α ranging from about 0 to about 60 degrees. The driving mechanism can be mounted on one lifting arm 3, and there can be an angle θ.sub.3 formed between the driving mechanism and the corresponding lifting arm 3.

[0052] The lifting arm 3 can include a first rod 31, a second rod 32, a first joint device 33, and a second joint device 34. The first rod 31 can be parallel to the second rod 32. Two ends of the first rod 31 can be respectively coupled to the first joint device 33 and the second joint device 34. Two ends of the second rod 32 can be respectively coupled to the first joint device 33 and the second joint device 34. The first rod 31 can be coupled to the first joint device 33 via a first hinge point 331. The first rod 31 can be coupled to the second joint device 33 via a second hinge point 341. The second rod 32 can be coupled to the first joint device 33 via a third hinge point 332. The second rod 32 can be coupled to the second joint device 34 via a forth hinge point 342. The first rod 31, the second rod 32, the first joint device 33, and the second joint device 34 can be connected end to end, such that the first rod 31, the second rod 32, the first joint device 33, and the second joint device 34 cooperatively form a parallelogram structure.

[0053] A power device can be integrated with the locking device to form the driving mechanism. The driving mechanism can be a self-locking gas spring 4. The self-locking gas spring 4 can be positioned in the parallelogram structure of the lifting arm 3. There can be an angle θ.sub.3 formed between the self-locking gas spring 4 and the second rod 32 of the lifting arm 3. The self-locking gas spring 4 can include a base body 41, a releasing rod 42, and a releasing head 43 coupled to the base body 41 via the releasing rod 42. The control switch 5 can be positioned on the bottom of the first working table 1. The control switch 5 can include a control wire 51, a fasten member 52 mounted on the bottom of the first working table 1, and a handle 53 mounted on the fasten member 52. A first end of the control wire 51 can be coupled to the handle 53, and the second end of the control wire 51 can be coupled to the releasing head 43 of the self-locking gas spring 4. The height of the first working table 1 can be free to select from heights between the lowest point and the highest point according to adjust the self-locking gas spring 4, thus increasing the utility of the height adjustment platform.

[0054] Both of the first joint device 33 and the second joint device 34 can be a hinge. Two ends of the lifting arm 3 can be respectively coupled to the first working table 1 and the bottom bracket 2. A first end of the lifting arm 3 can be coupled to the first working table 1 via the first joint device 33, and the second end of the lifting arm 3 can be coupled to the bottom bracket 2 via the second joint device 34. The first joint device 33 can be vertically positioned to the first working table 1. The second joint device 34 can be vertically positioned to the bottom bracket 2. When in use, both of the lifting arms 3 and the bottom bracket 2 can rotate an angle α ranging from about 0 to about 60 degrees. The lifting arm 3 can rotate a small angle to lead the first working table 1 to be substantially vertically lifted according to the first joint device 33 and the second joint device 34. As thus, when the first working table 1 is lifted, the first working table 1 cannot horizontally move a long distance to increase an operation space.

[0055] The height adjustment platform can include a connecting rod 8 positioned between the two lifting arms 3. Two opposite ends of the connecting rod 8 can be respectively coupled to the two lifting arms 3. The connecting rod 8 can be configured to enhance the strength and the stability of structure.

[0056] The height adjustment platform can also include a second working table 9 and two support arms 10. Both of the second working table 9 and the two support arms 10 can be positioned below the first working table 1. The second working table 9 can be coupled to the bottom of the first working table 1 via the support arms 10. The second working table 9 can be used as a keyboard tray. An area of the second working table 9 can be more than a half of the area of the first working table 1.

[0057] The bottom bracket 2 can include two parallel poles 21. Preferably, at least one strengthening rib 22 can be positioned between the two parallel poles 21.

[0058] A height adjustment method can include: applying a first working table 1, a bottom bracket 2, at least one lifting arm 3, at least one driving mechanism configured to drive and lock the lifting arm 3, and at least one control switch 5 configured to control the driving mechanism. Wherein two ends of the lifting arm 3 can be respectively coupled to the first working table 1 and the bottom bracket 2, a self-locking gas spring can be used as the driving mechanism and coupled to the lifting arm 3, an angle θ.sub.3 can be formed between the self-locking gas spring 4 and a second rod 32 of the lifting arm 3.

[0059] The control switch 5 can control the driving mechanism to move the lifting arm 3 which is coupled to the driving mechanism with the angle θ.sub.3 formed between the driving mechanism and the lifting arm, so as to lift the first working table 1.

[0060] The height adjustment method includes two steps.

[0061] Firstly, the driving mechanism is controlled to start, and the first working is lifted or pressed, such that the driving mechanism can jack up the lifting arm 3 which is coupled to the driving mechanism with the angle θ.sub.3 formed between the driving mechanism and the lifting arm to lift the first working table 1, or the driving mechanism can shrink the lifting arm which is coupled to the driving mechanism with the angle θ.sub.3 formed between the driving mechanism and the lifting arm to move down the first working table 1.

[0062] Secondly, after the first working table 1 moves to a predetermined position which is located between the lowest point and the highest point of the first working table 1, the driving mechanism is controlled to be closed, so as to lock the lifting arm 3 and lock the first working table 1 to the predetermined position.

[0063] The height adjustment platform of the present invention is used according to the follow method.

[0064] Firstly, the user can hold the handle 53 and open the handle 53, and then the releasing head 43 of the self-locking gas spring 4 can be opened according to the control wire 51, and then the user can subsidiarily lift or press the first working table 1 lightly, the releasing rod 42 of the self-locking gas spring 4 can extend to jack up the lifting arm 3 to raise the first working table 1, or the releasing rod 42 of the self-locking gas spring 4 can shrink to move down the lifting arm 3 and the first working table 1.

[0065] Secondly, after the first working table 1 moves to the predetermined position between the lowest point and the highest point of the first working table 1, the user can release the handle 53 to reset the control switch 5, the releasing head 43 can rest according to controlling the self-locking gas spring 4 via the control wire 51, and then the first working table 1 can be locked on the predetermined position by the self-locking gas spring 4.

Second Embodiment

[0066] FIG. 6 illustrates a height adjustment platform of a second embodiment similar to the height adjustment platform of the first embodiment. The difference can be that the self-locking gas spring 4 used as the driving mechanism can be positioned on the bottom bracket 2, the driving mechanism can include a support rod 11. A first end of the support rod 11 can be coupled to the releasing head 43, and a second end of the support rod 11 can extend into the parallelogram structure to connect the rod of the lifting arm 3. An angle θ.sub.6 can be formed between the support rod 11 and the rod of the lifting arm 3.

[0067] When in use, the releasing rod 42 of the self-locking gas spring 4 can extend to jack up the lifting arm 3 and the working table via the support rod 11, or the releasing rod 42 of the self-locking gas spring 4 can shrink to move down the lifting arm 3 and the working table via the support rod 11.

[0068] The driving mechanism can be positioned on the bottom bracket 2 to prevent the first working table 1 from inclining, and to decrease the weight of the first working table 1.

[0069] Other aspects of this embodiment are like those of the first embodiment.

Third Embodiment

[0070] FIG. 7 illustrates a height adjustment platform of a third embodiment similar to the height adjustment platform of the first embodiment. The difference can be that the self-locking gas spring 4 used as the driving mechanism can be positioned outside of the parallelogram structure, for example, the self-locking gas spring 4 can be positioned on the bottom bracket 2. The self-locking gas spring 4 can be coupled to the rod of the lifting arm 3, and an angle θ.sub.7 can be formed between the rod of the lifting arm 3 and self-locking gas spring 4.

[0071] Other aspects of this embodiment are like those of the first embodiment.

Fourth Embodiment

[0072] FIG. 8 illustrates a height adjustment platform of a forth embodiment similar to the height adjustment platform of the first embodiment. The difference can be that the self-locking gas spring 4 used as the driving mechanism can be positioned on the bottom bracket 2. An end of the self-locking gas spring 4 can be coupled to the connecting rod 8, and can be configured to drive the connecting rod 8. The self-locking gas spring 4 can move the connecting rod 8. The lifting arm 3 can be rotatably coupled to the first working table 1 and the bottom bracket 2.

[0073] Other aspects of this embodiment are like those of the first embodiment.

Fifth Embodiment

[0074] FIGS. 9 and 10 illustrate a height adjustment platform of a fifth embodiment similar to the height adjustment platform of the first embodiment. The power device 12 and the locking device 13 can be positioned apart from each other, and an angle θ.sub.9 can be formed between the power device 12 and the lifting arm 3.

[0075] A gas spring can be used as the power device 12. A mechanical locking device can be used as the locking device 13. The locking device 13 can include a telescopic pole 131 and a button switch 132. The telescopic pole 131 can be coupled to the power device 12 via a pushing rod 14. The button switch 132 of the locking device 13 can be configured to control the telescopic pole 131 to extend or to shrink. When the button switch 132 is opened, the telescopic pole 131 can be located on an extending state, and the user can move up and down the first working table 1 to the predetermined position according to the drive of the power device 12. When the first working table 1 is moved to the predetermined position, the user can close the button switch 132 to lock the first working table 1 on the predetermined position, and the telescopic pole 131 can be located on a locking state.

[0076] Other aspects of this embodiment are like those of the first embodiment.

Sixth Embodiment

[0077] FIG. 11 illustrates a height adjustment platform of a sixth embodiment similar to the height adjustment platform of the first embodiment. The difference can be that the height adjustment platform can include one lifting arm 3, and one driving mechanism configured to drive and lock the lifting arm 3. The driving mechanism can be the self-locking gas spring 4. The height adjustment platform cannot include the connecting rod.

[0078] Other aspects of this embodiment are like those of the first embodiment.

Seventh Embodiment

[0079] FIG. 12 illustrates a height adjustment platform of a seventh embodiment similar to the height adjustment platform of the first embodiment. The difference can be that the height adjustment platform can include two control switches 5 positioned on opposite sides of the bottom of the first working table 1. The two control switches 5 can be respectively coupled to the releasing head 43 of the self-locking gas spring 4 via the control wire 51. The two control switches 5 can be respectively operated by left hand and right hand of the user to improve the operation convenience.

[0080] Other aspects of this embodiment are like those of the first embodiment.

[0081] The embodiments shown and described above are only examples. Many details are often found in the art, such as features of control system and control method for vehicle anti-theft. Therefore, many such details are neither shown nor described. Even though numerous characteristics and advantages of the present technology have been set forth in the foregoing description, together with details of the structure and function of the present disclosure, the disclosure is illustrative only, and changes may be made in the detail, especially in matters of shape, size and arrangement of the parts within the principles of the present disclosure up to, and including the full extent established by the broad general meaning of the terms used in the claims. Therefore, those of ordinary skill in the art can make various modifications to the embodiments without departing from the scope of the disclosure, as defined by the appended claims.