Door limiting mechanism and electric appliance cabinet

Abstract

The present application relates to a door limiting mechanism and electric appliance cabinet. The door limiting mechanism includes a connecting assembly, a locking assembly and an abutting assembly, in which the connecting assembly includes a fixed member, a locking groove is provided in the fixed member, the locking assembly includes a rotatable member and a locking member, the locking member is fixedly connected to the rotatable member for passing through the locking groove to form a locking structure, and the abutting assembly is configured to lock the locking member in the locking groove. An electric appliance includes a cabinet body and a door body, in which the door limiting mechanism is provided in the door body, there are two locking assemblies, each of the locking assemblies is connected to the cabinet body by one connecting assembly, and two locking assemblies are symmetrically arranged.

Claims

1. A door limiting mechanism for a door body, comprising: a connecting assembly, a locking assembly and an abutting assembly, wherein: the connecting assembly is configured to connect the door body to another structure, the connecting assembly comprises a fixed member fixedly connected to the door body, and a locking groove is defined in the fixed member, the locking assembly comprises a rotatable member and a locking member, the rotatable member is rotatably connected to the door body, and the locking member is fixedly connected to the rotatable member for passing through the locking groove to form a locking structure, the abutting assembly is configured to lock the locking member in the locking groove, and an oblong groove is defined in the rotatable member, the locking assembly further comprises a driving member rotatably connected to the door body, a driving protrusion is fixedly connected to the driving member, the driving protrusion is slidably connected in the oblong groove, wherein the driving member is driven to rotate, so that the driving protrusion is slid in the oblong groove to drive the rotatable member to rotate, thereby disengaging the locking member from the locking groove to open the door body.

2. The door limiting mechanism according to claim 1, wherein the locking assembly further comprises an elastic returning member, the elastic returning member is connected to the rotatable member, and the elastic returning member is configured to be deformed under a force when the locking member is disengaged from the locking groove.

3. The door limiting mechanism according to claim 1, wherein the abutting assembly comprises a transmission member and an abutting member, an inclined surface is provided in the transmission member, the transmission member is slidably connected to the door body in a first direction, the abutting member is configured to abut against the inclined surface, the abutting member is slidably connected to the door body in a second direction, and the transmission member is slid for driving the abutting member to slide, so that the locking member is locked in the locking groove.

4. The door limiting mechanism according to claim 3, wherein the abutting assembly further comprises a pushing member and an elastic driving member, the pushing member is fixedly connected to the transmission member and protrudes from the door body, a first end of the elastic driving member is connected to the transmission member, and a second end of the elastic driving member is connected to the door body.

5. The door limiting mechanism according to claim 3, wherein the connecting assembly further comprises a rotatable shaft, the rotatable shaft is connected to another mechanism, a disengaging groove in communication with the locking groove is defined in the fixed member, the disengaging groove comprises a rotating portion and a sliding portion, the rotatable shaft is rotatable in the rotating portion and is slidable in the sliding portion, and an end of the sliding portion is in communication with an external environment.

6. The door limiting mechanism according to claim 5, wherein the locking assembly further comprises a locking protrusion, the locking protrusion is fixedly connected to the rotatable member, and the abutting member is configured to drive the locking member to abut against the rotatable shaft.

7. An electric appliance cabinet comprising a cabinet body and a door body, wherein the door limiting mechanism according to claim 1 is provided on the door body, there are two locking assemblies, each of the locking assemblies is connected to the cabinet body by one connecting assembly, and two locking assemblies are symmetrically arranged.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) FIG. 1 is an overall structural schematic diagram of an electric appliance cabinet in an embodiment of the present application.

(2) FIG. 2 is a structural explosion of a connecting assembly in a door limiting mechanism in an embodiment of the present application.

(3) FIG. 3 is a structural enlarged diagram of portion A in FIG. 2.

(4) FIG. 4 is a section diagram of an electric cabinet in an embodiment of the present application, mainly for indicating a structure of a locking assembly in a door body.

(5) FIG. 5 is a structural enlarged diagram of portion B in FIG. 4.

(6) FIG. 6 is a local structural schematic diagram of an electric appliance cabinet in an embodiment of the present application, mainly for indicating a position of a door limiting mechanism in the electric appliance cabinet.

(7) FIG. 7 is a structural enlarged diagram of portion C in FIG. 6.

(8) FIG. 8 is a structural schematic diagram of a locking assembly in a door limiting mechanism in an embodiment of the present application, in which a portion of a panel of a door body is hidden.

(9) FIG. 9 is a structural enlarged diagram of portion D in FIG. 8.

(10) FIG. 10 is a structural enlarged diagram of portion E in FIG. 8.

(11) FIG. 11 is a structural explosion diagram of an abutting assembly in an embodiment of the present application.

DETAILED DESCRIPTION

(12) The present application is further described in detail below in combination with FIGS. 1-11.

(13) The same component is marked as the same reference sign. It should be noted that, the terms front, rear, left, right, upper and lower used in the following description refer to the direction in the drawings. The terms bottom, top, inside and outside refer to a direction towards or away from the geometric center of a specific component.

(14) The present application discloses a door limiting mechanism mounted in a cabinet structure that can be opened by rotating. An electric appliance cabinet (such as refrigerator) is taken as an example in the present application to explain the structure of the door limiting mechanism in detail.

(15) Referring to FIG. 1, the electric appliance cabinet includes a cabinet body 001 and a door body 002. The cabinet body 001 is a cuboid structure with an opening on one side. The door body 002 is rotatably connected to the cabinet body 001.

(16) The door body 002 can cover the opening of the cabinet body 001 for storing goods, as shown in FIG. 1. The door body 002 can be opened from left or right side by rotating, so that the opening is exposed.

(17) Referring to FIG. 2 and FIG. 6, the door limiting mechanism includes a connecting assembly 100, a locking assembly 200 and an abutting assembly 300. In this embodiment, there are two locking assemblies 200, which are mounted in the door body 002. Each of the locking assemblies 200 is connected to the cabinet body 001 by one connecting assembly 100. Two locking assemblies 200 are respectively positioned at left and right sides of the door body 002. The abutting assembly 300 is arranged in the middle of the door body 002.

(18) Referring to FIG. 2 and FIG. 3, the connecting assembly 100 includes a fixed member 110, a rotatable shaft 120, a first connection plate 131 and a second connection plate 132. Referring to FIG. 7, the fixed member 110 is provided in the door body 002. A disengaging groove 111 and a locking groove 112 that are communicated with each other are provided in the fixed member 110. The disengaging groove 111 includes a rotating portion and a sliding portion. The rotating portion in this embodiment has a semi-circle shape. The rotatable shaft 120 is rotatable in the rotating portion. One end of the sliding portion is communicated with the rotating portion, and the other end thereof is communicated with the external environment. The end of the sliding portion that is communicated with the external environment is towards the cabinet body 001. The width of the sliding portion is larger than a diameter of the rotatable shaft 120. In some embodiments, the end of the sliding portion that is communicated with the external environment is designed to be flared. The locking groove 112 is provided on a side where the fixed members 110 of two locking assembly 200 are face to each other. That is, for the fixed member 110 on the left side of the door body 002, the locking groove 112 is provided on the right sidewall of the fixed member 110. The locking groove 112 is communicated with the disengaging groove 111 at the sliding portion thereof. The first connection plate 131 is fixedly connected to the cabinet body 001 by blot. The second connection plate 132 is fixedly connected to the first connection plate 131. Two circular plates parallel to each other is provided in the rotatable shaft 120. A diameter of the circular plate is larger than that of the rotatable shaft 120. The second connection plate 132 is arranged between two circular plates, so that the rotatable shaft 120 is connected to the cabinet body 001.

(19) When opening the door body 002, the rotatable shaft 120 on one side is slid out of the sliding portion of the disengaging groove 111, and the door body 002 is rotated around the rotatable shaft 120 on the other side to open.

(20) Referring to FIG. 5, FIG. 7 and FIG. 9, the locking assembly 200 includes a driving member 210, a rotatable member 220, a locking member 230, an elastic returning member 240 and a locking protrusion 250. The driving member 210 is rotatably connected to the door body 002, in which the rotating axis is arranged vertically and close to the side edge of the door body 002. The length of the driving member 210 is substantially same with the length of the door body 002. A driving protrusion 211 is fixedly connected on the side of the driving member 210 away from the rotating axis of the driving member 210.

(21) Referring to FIG. 5, FIG. 7 and FIG. 9, the rotatable member 220, the locking member 230 and the locking protrusion 250 are integrally formed. The locking member 230 and the locking protrusion 250 are respectively located on two sides of the rotatable member 220. The locking member 230 is arranged towards the fixed member 110. The rotatable member 220 is rotatably connected to the door body 002, in which the rotating axis thereof is parallel to the rotating axis of the driving member 210. A oblong groove 221 is provided in the rotatable member 220. The driving protrusion 211 penetrates in the oblong groove 221. The locking member 230 passes through the locking groove 112 and abuts against the rotatable shaft 120. In this embodiment the elastic returning member 240 is a torsional spring, which is sleeved on a rotation shaft of the rotatable member 220. The elastic returning member 240 is twisted under force when rotating the rotatable member 220. The rotatable member 220 is back to the origin position under elastic force when the user releases the driving member 210. In this embodiment, the locking member 230 has a substantially triangle shape in FIG. 3. The locking member 230 can also be designed as a sector or hook shape in other embodiments.

(22) The working principle of the locking assembly 200 is described below by taking the door limiting mechanism on the left side of the door body for example. When opening the door body 002 from left side, the user rotates the driving member 210 clockwise. The driving protrusion 211 is slid in the oblong groove 221, so that the rotatable member 220 is rotated clockwise. The locking member 230 is disengaged from the rotatable shaft 120. In some embodiments, the locking member 230 is disengaged from the locking groove 112 at this time. The rotatable shaft 120 is slid in the disengaging groove 111, so that the door body 002 can be opened. When the door body 002 is required to open from the right side, the door body 002 is rotated around the rotatable shaft 120 on the left side.

(23) Referring to FIG. 10 and FIG. 11, the abutting assembly 300 includes a pushing member 310, an elastic driving member 320, a transmission member 330, an abutting member 340 and a track 341. The pushing member 310 is slidably connected to the door body 002. The pushing member 310 is slid along the thickness direction of the door body 002. The pushing member 310 is protruded from the door body 002 and abuts against the cabinet body 001. The pushing member 310 is fixedly connected to the transmission member 330. Two inclined surfaces 331 are provided in the transmission member 330. Two inclined surfaces 331 are respectively faces towards two locking assemblies 200. The transmission member 330 has a first width and a second width due to the inclined surfaces 331, in which the first width is smaller than the second width. The inclined surface 331 in this embodiment is a plane surface. The inclined surface 331 can also be a curved surface in other embodiments. The track 341 is fixedly connected to the door body 002, in which the track 341 is arranged along the width direction of the door body 002. The abutting member 340 is slid relative to the door body 002 in the track 341. There are two abutting member 340, which are respectively arranged on two sides of the transmission member 330. One end of the abutting member 340 abuts against the corresponding inclined surface 331 throughout, and the other end thereof can abut against the locking protrusion 250.

(24) When the door body 002 is closed, the pushing member 310 abuts against the cabinet body 001. The elastic driving member 320 is pressed at this time. In this embodiment, the elastic driving member 320 is a spring. At this time, one end of the abutting member 340 abuts against the transmission member 330 at the position with the first width, and the other end thereof does not abut against the locking protrusion 250. When the door body 002 is opened, the elastic driving member 320 drives the transmission member 330 to slide along the width direction of the door body 002. One end of the abutting member 340 is slide on the inclined surface 331 until reaching the position with the second width. Two abutting members 340 are moved away from each other, and respectively abut against the locking protrusions 250 on two sides, so that the locking member 230 passes through the locking groove 112 and abuts against the rotatable shaft 120. The door body 002 is not easy to fall off when opening the door body 002 by rotating.

(25) The electric appliance cabinet provided in the present application has the following implementation principle.

(26) When the door body 002 is opened from left side, the user rotates the driving member 210 clockwise, so that the locking member 230 is disengaged from the locking groove 112. The rotatable shaft 120 is slid in the disengaging groove 111, and the rotatable shaft 120 on the left side is disengaged from the door body 002. The door body 002 can be rotated around the rotatable shaft 120 on the right side anticlockwise to open. When opening, the rotatable shaft 120 of the locking assembly 200 on the right side is positioned in the rotating portion of the disengaging groove 111 throughout. Once the door body 002 is opened, the user releases the driving member 210, and the locking member 230 is back to the origin position. The elastic driving member 320 drives the transmission member 330 to slide, so that the abutting member 340 abuts against the locking member 230 and the rotatable shaft 120, reducing the possibility that the door body 002 fall off. Two locking assemblies 200 are symmetrically arranged, so that the door body 002 can be opened from left or right side. After the door body 002 is opened, the abutting member 340 in the abutting assembly 300 presses the locking member 230 on the rotatable shaft 120, so that the door body 002 won't fall off even if the user improperly touch the driving member 210.

(27) The electric appliance cabinet in the present application is not limited in refrigerator, the door limiting mechanism in the present application can also be applied in wine cabinet, storage cabinet, realizing opening the cabinet door from two sides.

(28) The above are the embodiments of the present application, which are not intended to limit the protection scope of the present application. Therefore, all equivalent changes made according to the structure, shape and principle of the present application should be covered within the protection scope of the present application. Listing of reference signs: 001 cabinet body 002 door body 100 connecting assembly 110 fixed member 111 disengaging groove 112 locking groove 120 rotatable shaft 131 first connection plate, 132 second connection plate 200 locking assembly 210 driving member 211 driving protrusion 220 rotatable member 221 oblong groove 230 locking member 240 elastic returning member 250 locking protrusion 300 abutting assembly 310 pushing member 320 elastic driving member 330 transmission member 331 inclined surface 340 abutting member 341 track