Elevation working platform

Abstract

An elevation working platform includes a lower support and an upper support. At least one group of X-type elevation mechanisms is provided between the lower support and the upper support. The elevation working platform further includes an elastic element. A first end of the elastic element is connected between two end points of a first support rod or a second support rod. A second end of the elastic element is connected to the lower support or a second hinging seat capable of sliding relative to the lower support. Using the X-type elevation mechanisms, the front and back positions of the upper support do not change in an elevating process of the upper support, the structure is simple and practical, and the cost is relatively low.

Claims

1. An elevation working platform, comprising a desk plate and an elevation working platform body, the elevation working platform body having an upper support, a lower support and at least one group of elevating components connected between the upper support and the lower support, the desk plate is arranged on the upper support, and the elevating components are used to adjust the height of the desk plate in related to the lower support, wherein the desk plate is provided with an elongate-shaped hole; an elongate-shaped box is connected in the elongate-shaped hole; the top of the elongated-shaped box is provided with an opening and the bottom of the elongate-shaped box is provided with a plurality of through holes through which data lines or charging wires can pass; and the elongated-shaped box is sized such that it is capable of being used to place electronic devices through the opening.

2. The elevation working platform of claim 1, wherein it further comprises a locking component, which is used to releasably lock the desk plate at any height; a lever is arranged underneath the desk plate, and the lever is connected with the locking component; the locking component is connected with the elevating components; one can operate the lever to unlock the locking component to allow the elevating components to move.

3. The elevation working platform of claim 1, wherein each group of elevating components comprises a first support rod and a second support rod hinged to a central portion of each other to form an X-shape, the lower support comprises a first hinging seat fixedly connected thereto and a second hinging seat slidable relative to the lower support, the upper support comprises a third hinging seat fixedly connected thereto and a fourth hinging seat slidable relative to the upper support, a lower end of the first support rod is hinged to the first hinging seat, an upper end of the first support rod is hinged to the fourth hinging seat, a lower end of the second support rod is hinged to the second hinging seat, an upper end of the second support rod is hinged to the third hinging seat, and the elevation working platform comprises an elastic component, and the elastic component bears at least a part of the weight of the upper support.

4. The elevation working platform of claim 3, wherein the locking component is arranged on the lower support to restrict the sliding of the second hinging seat; the locking component comprises a plurality of positioning holes arranged along a lengthwise direction on the second hinging seat; a box is arranged on the lower support outside the second hinging seat, and a movable pin having a free end to be inserted into or removed from the positioning holes is arranged within the box; the desk plate is provided with a lever to actuate the movable pin and remove the free end of the movable pin from the positioning holes.

5. The elevation working platform of claim 3, wherein the elastic component is arranged between the lower support and the first support rod, the first end of the elastic component is hinged to the lower support, and the second end of the elastic component is hinged to the first support rod.

6. The elevation working platform of claim 3, wherein the elastic component is arranged between the second hinging seat and the second support rod, the first end of the elastic component is hinged to the second hinging seat, and the second end of the elastic component is hinged to the second support rod.

7. The elevation working platform of claim 5, wherein the elastic component is a compressed gas spring or a compressed mechanical spring.

8. The elevation working platform of claim 3, wherein the elastic component is arranged between the lower support and the second support rod, the first end of the elastic component is hinged to the lower support, and the second end of the elastic component is hinged to the second support rod.

9. The elevation working platform of claim 3, wherein the elastic component is arranged between the second hinging seat and the first support rod, the first end of the elastic component is hinged to the second hinging seat, and the second end of the elastic component is hinged to the first support rod.

10. The elevation working platform of claim 8, wherein the elastic component is a stretch gas spring or a tension spring.

11. The elevation working platform of claim 3, wherein the locking component is arranged on the upper support to restrict the sliding of the fourth hinging seat; the locking component comprises a plurality of positioning holes arranged along a lengthwise direction on the fourth hinging seat; a box is arranged on the lower support outside the fourth hinging seat, and a movable pin having a free end to be inserted into or removed from the positioning holes is arranged within the box; the desk plate is provided with a lever to actuate the movable pin and remove the free end of the movable pin from the positioning holes.

12. The elevation working platform of claim 4, wherein a movable pin seat is in clearance fit within the box body, the movable pin is connected to the movable pin seat, a reset spring is arranged on the movable pin, an end of the reset spring is in contact with an inner wall of the movable pin seat, the other end of the reset spring is in contact with an inner wall of the box body, the free end of the movable pin is removed from the positioning holes when the reset spring is compressed, a first guiding slope is provided on the bottom of the movable pin seat, a second guiding slope fitted to the first guiding slope is arranged on the sliding plate, and the second guiding slope presses the first guiding slope to move the movable pin seat outwards against the resilience of the reset spring when the sliding plate slides to the outside of the box body.

13. The elevation working platform of claim 12, wherein a dragline is connected on an outer end of the sliding plate, a dragline reset spring is arranged on the dragline, an end of the dragline reset spring is in contact with a side wall of the outer end of the sliding plate, the other end of the dragline reset sprig is contact with the inner wall of the box body, a lever is connected to the upper support, and the lever is connected to the outer end of the dragline.

14. The elevation working platform of claim 1, wherein the at least one group of elevating components comprises two groups of elevating components arranged on two sides of the upper support, and the two groups of elevating components are connected by a horizontal plate.

15. The elevation working platform of claim 1, wherein the elevation working platform body comprises a keyboard holder connected to the upper support by a connecting plate.

16. The elevation working platform of claim 6, wherein the elastic component is a compressed gas spring or a compressed mechanical spring.

17. The elevation working platform of claim 9, wherein the elastic component is a stretch gas spring or a tension spring.

18. The elevation working platform of claim 11, wherein a movable pin seat is in clearance fit within the box body, the movable pin is connected to the movable pin seat, a reset spring is arranged on the movable pin, an end of the reset spring is con contact with an inner wall of the movable pin seat, the other end of the reset spring is in contact with an inner wall of the box body, the free end of the movable pin is removed from the positioning holes when the reset spring is compressed, a first guiding slope is provided on the bottom of the movable pin seat, a second guiding slope fitted to the first guiding slope is arranged on the sliding plate, and the second guiding slope presses the first guiding slope to move the movable pin seat outwards against the resilience of the reset spring when the sliding plate slides to the outside of the box body.

Description

DESCRIPTION OF THE DRAWINGS

(1) FIG. 1 is a structural schematic of an elevation working platform according to a first embodiment.

(2) FIG. 2 is a structural schematic of the bottom of an elevation working platform according to a first embodiment.

(3) FIG. 3 is a structural schematic of an elevation working platform according to a second embodiment.

(4) FIG. 4 is a structural schematic of an elevation working platform according to a third embodiment.

(5) FIG. 5 is a structural schematic of an elevation working platform according to a fourth embodiment.

(6) FIG. 6 is a structural schematic of an elevation working platform according to a fifth embodiment.

(7) FIG. 7 is a structural schematic of an elevation working platform according to a sixth embodiment.

(8) FIG. 8 is a structural schematic of an elevation working platform according to a seventh embodiment.

(9) FIG. 9 is a structural schematic of a locking component of an elevation working platform according to an embodiment.

(10) FIG. 10 is a structural schematic of an elevation working platform according to an eighth embodiment.

(11) FIG. 11 is a structural schematic of the bottom of an elevation working platform according to the eighth embodiment.

(12) FIG. 12 is a structural schematic of a locking component of an elevation working platform according to the eighth embodiment.

(13) FIG. 13 is an enlarged view of a part A of the eighth embodiment of the elevation working platform in FIG. 12.

(14) FIG. 14 is an assembled structural schematic of a locking component of an elevation working platform according to an embodiment.

(15) FIG. 15 is another perspective of an assembled structural schematic of a locking component of an elevation working platform according to an embodiment.

REFERENCE NUMBERS

(16) 1 upper support, 2 lower support, 3 first support rod, 4 second support rod, 5 first hinging seat, 6 second hinging seat, 7 third hinging seat, 8 fourth hinging seat, 9 elastic component, 9.1 gas spring, 9.2 spring, 10 desk plate, 11 horizontal plate, 12 keyboard holder, 13 lever, 14 first sliding rail, 15 second sliding rail, 16 positioning holes, 17 movable pin, 18 box body, 19 dragline reset spring, 20 reset spring, 21 movable pin seat, 22 first guiding slope, 23 sliding plate, 24 second guiding slope.

DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS

(17) Detailed description of the present disclosure is provided hereinafter in combination with the accompanying figures and embodiments.

(18) As shown in FIG. 1-9, an elevation working platform of the present disclosure comprises an elevation working platform body. The elevation working platform body having an upper support 1, a lower support 2 and at least one group of X-shaped elevating components connected between the upper support 1 and the lower support 2. Each group of X-shaped elevating components comprises a first support rod 3 and a second support rod 4 hinged to a central portion of each other in an X-shaped fashion. The lower support 2 comprises a first hinging seat 5 fixedly connected to the lower support 2 and a second hinging seat 6 slidable relative to the lower support 2. The upper support 1 comprises a third hinging seat 7 fixedly connected to the upper support 1 and a fourth hinging seat 8 slidable relative to the upper support 1. A lower end of the first support rod 3 is hinged to the first hinging seat 5. An upper end of the first support rod 4 is hinged to the fourth hinging seat 8. A lower end of the second support rod 4 is hinged to the second hinging seat 6. An upper end of the second support rod 4 is hinged to the third hinging seat 7. The elevation working platform comprises an elastic component 9. A first end of the elastic component 9 is connected between the two endpoints of the first support rod 3 or the second support rod 4. A second end of the elastic component 9 is connected to the lower support 2 or the second hinging seat 6 slidable relative to the lower support, 2 and the elastic component 9 bears at least a part of the weight of the upper support.

(19) During vertical movement of the upper support 1, the second hinging seat 6 and the fourth hinging seat 8 are slidable relative to the lower support 2 and the upper support 1 respectively, such that the X-shaped elevating components can be adjusted to lift or lower the upper support 1.

(20) FIG. 3 refers to a second embodiment in which the elastic component 9 is a gas spring 9.1. A first end of the gas spring 9.1 is connected between the two endpoints of the first support rod 3. A second end of the gas spring 9.1 is connected to the lower support 2. The gas spring 9.1 in the embodiment is a compressed gas spring which provides an upward elastic force.

(21) FIG. 4 refers to a third embodiment in which the elastic component 9 is a gas spring 9.2. A first end of the gas spring 9.2 is connected between the two endpoints of the second support rod 4. A second end of the gas spring 9.2 is connected to the second hinging seat 5. The gas spring 9.2 in the embodiment is a compressed gas spring which provides an upward elastic force.

(22) FIG. 5 refers to a fourth embodiment in which the elastic component 9 is a spring 9.2. A first end of the gas spring 9.2 is connected between the two endpoints of the second support rod 4. A second end of the gas spring 9.2 is connected to the lower support 2. The gas spring 9.2 in the embodiment is a tension spring which provides a contractive tension.

(23) FIG. 6 refers to a fifth embodiment in which the elastic component 9 is a spring 9.2. A first end of the gas spring 9.2 is connected between the two endpoints of the first support rod 3. A second end of the gas spring 9.2 is connected to the upper support 1. The gas spring 9.2 in the embodiment is a tension spring which provides a contractive tension. This embodiment actually has a similar structure to the fourth embodiment and it is symmetrical to the fourth embodiment. The upper support 1 of this embodiment can be taken as the lower support 2 of the fourth embodiment. The structures of this embodiment are identical to the fourth embodiment if the first support rod 3 of this embodiment is taken as the second support rod 4 in the fourth embodiment. The symmetrical structure of the fourth embodiment is also within the scope of the present disclosure.

(24) FIG. 7 is a sixth embodiment which is symmetrical to the second embodiment.

(25) FIG. 8 is a seventh embodiment which is symmetrical to the third embodiment.

(26) Embodiments of the present disclosure are not limited to the embodiments listed above.

(27) In the first embodiment as shown in FIGS. 9, 14 and 5, a locking component 25 to restrict the sliding of the fourth hinging seat 8 is arranged on the upper support 1. The locking component 25 arranged on the upper support 1 to restrict the sliding of the fourth hinging seat 8 comprises a second sliding rail 15 connected to the upper support 1. The fourth hinging seat 8 is slidably fitted on the second sliding rail 15. A plurality of positioning holes 16 are arranged along a lengthwise direction on the fourth hinging seat 8. A box body 18 is arranged on the upper support 1 outside the fourth hinging seat 8. A movable pin 17 having a free end to be inserted into or removed from the positioning holes 16 is arranged in the box body 18, and a sliding plate 23 to actuate the movable pin 17 and remove the free end of the movable pin 17 from the positioning holes 16 is slidably fitted in the box body 18.

(28) A movable pin seat 21 is in clearance fit within the box body 18. The movable pin 17 is connected to the movable pin seat 21. A reset spring 20 is arranged on the movable pin 17. An end of the reset spring 20 is in contact with an inner wall of the movable pin seat 21. The other end of the reset spring 20 is in contact with an inner wall of the box body 18. The free end of the movable pin 17 is removed from the positioning holes 16 on the fourth hinging seat 8 when the reset spring 20 is compressed. A first guiding slope 22 is provided on the bottom of the movable pin seat 21. A second guiding slope 24 fitted to the first guiding slope 22 is arranged on the sliding plate 23, and the second guiding slope 24 extrudes the first guiding slope 22 to move the movable pin seat 21 outwards against the resilience of the reset spring 20 when the sliding plate 23 slides to the outside of the box body 18.

(29) A dragline is connected on an outer end of the sliding plate 23. A dragline reset spring 19 is arranged on the dragline. An end of the dragline reset spring 19 is in contact with a side wall of the outer end of the sliding plate 23. The other end of the dragline reset spring 19 is in contact with the inner wall of the box body 18. A lever 13 is connected to the upper support 1, and the lever 13 is connected to the outer end of the dragline.

(30) The at least one group of X-shaped elevating components comprises two groups of X-shaped elevating components arranged on two sides of the upper support 1, and the two groups of X-shaped elevating components are connected by the horizontal plate 11.

(31) A desk plate 10 is connected to the upper support 1.

(32) The elevation working platform body comprises a keyboard holder 12 connected to the upper support 1 by a connecting plate.

(33) As shown in FIG. 10-15, the technical solution of an eighth embodiment of the disclosure is same as the first embodiment, although a locking component 25 to restrict the sliding of the second hinging seat 6 is arranged on the lower support 2. The locking component 25 is arranged on the lower support 2 instead compared to the first embodiment.

(34) The locking component 25 arranged on the lower support to restrict the sliding of the second hinging seat 6 comprises a first sliding rail 14 connected to the lower support 2. The second hinging seat 6 is slidably fitted on the first sliding rail 14. A plurality of positioning holes 16 are arranged along a lengthwise direction on the second hinging seat 6. A box body 18 is arranged on the lower support 2 outside the second hinging seat 6. A movable pin 17 having a free end to be inserted into or removed from the positioning holes 16 is arranged in the box body 18, and a sliding plate 23 to actuate the movable pin 17 and remove the free end of the movable pin 17 from the positioning holes 16 is slidably fitted in the box body 18.

(35) A movable pin seat 21 is in clearance fit within the box body 18. The movable pin 17 is connected to the movable pin seat 21. A reset spring 20 is arranged on the movable pin 17. An end of the reset spring 20 is in contact with an inner wall of the movable pin seat 21. The other end of the reset spring 20 is in contact with an inner wall of the box body 18. The free end of the movable pin 17 is removed from the positioning holes 16 on the second hinging seat 6 when the reset spring 20 is compressed. A first guiding slope 22 is provided on the bottom of the movable pin seat 21. A second guiding slope 24 fitted to the first guiding slope 22 is arranged on the sliding plate 23, and the second guiding slope 24 extrudes the first guiding slope 22 to move the movable pin seat 21 outwards against the resilience of the reset spring 20 when the sliding plate 23 slides to the outside of the box body 18.