Anti-toppling goods shelf

Abstract

The utility model belongs to the technical field of goods shelves, and particularly relates to an anti-toppling goods shelf which comprises stand columns, a plurality of containing plates are assembled between the stand columns, a transmission box is fixedly connected to the bottom face of the containing plate on the lowermost layer, a movable plate is arranged on the lower side of the transmission box, and a screw rod is rotationally connected to the bottom face of an inner cavity of the transmission box. The bottom end of the screw penetrates through the transmission box and is in threaded connection with a threaded cylinder, the bottom end of the threaded cylinder is fixedly connected with the movable plate, a transmission assembly is arranged in an inner cavity of the transmission box, universal wheels are assembled at the bottom ends of the stand columns, and locking assemblies are arranged on the bottom end faces of the stand columns. The stability of the goods shelf in the static state can be guaranteed, the contact face between the goods shelf and the ground is increased through the movable plates, and part of pressure on the universal wheels can be dispersed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of goods shelves, and particularly relates to a goods shelf capable of preventing tilting. BACKGROUND

[0002] A goods shelf is usually composed of a stand column and a layer plate, and has a relatively simple structure. The goods shelf is suitable for storing and containing articles, such as daily necessities in a supermarket and snacks in a convenience store. A common anti-tilting structure of the goods shelf usually adopts a rear support or increases the stability of the connection between the layer plate and the stand column. For example, a rear support bracket with magnetism is commonly used in a supermarket to prevent bagged food from tilting forward.

[0003] Many goods shelves in the prior art are provided with universal wheels at the bottom to facilitate the movement of the goods shelves. Although the universal wheels can be locked, the universal wheels are prone to slipping under the pressure of heavy objects, which affects the stability of the goods shelves. In addition, the bottom feet of the goods shelves are usually in contact with the ground, and the force receiving area is small, and the deformation amount is large, which easily causes the goods shelves to tilt. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims to provide a goods shelf capable of preventing tilting, which can ensure the stability of the goods shelf in a stationary state, and increase the contact area between the goods shelf and the ground by using a movable plate to disperse part of the pressure on the universal wheels.

[0005] The technical scheme adopted by the utility model is as follows:

[0006] A goods shelf capable of preventing tilting comprises a stand column, a plurality of placing plates assembled between the stand columns, a transmission box fixedly connected to the bottom surface of the lowermost placing plate, a movable plate arranged at the lower side of the transmission box, a screw rod rotatably connected to the bottom surface of the inner cavity of the transmission box, a threaded cylinder threadedly connected to the bottom end of the screw rod and penetrating through the transmission box, the threaded cylinder being fixedly connected to the movable plate, a transmission assembly arranged in the inner cavity of the transmission box, a universal wheel assembled at the bottom end of each stand column, and a locking assembly arranged on the bottom end surface of each stand column.

[0007] The transmission assembly comprises a first bevel gear fixedly connected to the side wall of the screw rod, a second bevel gear meshing with one side of the first bevel gear, a horizontal shaft fixedly connected to the side wall of the second bevel gear, and a rocker rod fixedly connected to the other end of the horizontal shaft and penetrating through the transmission box.

[0008] The top surface of the movable plate is fixedly connected to two limiting rods, and the top end of each limiting rod penetrates through the transmission box and is movably connected to the transmission box.

[0009] The locking assembly comprises a groove opened in the bottom end surface of each stand column, a spring fixedly connected to the top surface of the groove, a plug fixedly connected to the bottom end of the spring, a plurality of plug holes evenly distributed on the side wall of each universal wheel, the plug being matched with the plug holes, and a linkage assembly arranged on the side wall of the plug.

[0010] The linkage assembly comprises a pressing plate fixedly connected to the side wall of the plug block, the side wall of the stand column is provided with a through groove, the through groove is communicated with the groove, the through groove is provided in an L shape, the pressing plate penetrates through the through groove, and the top surface of the movable plate is fixedly connected with a top plate close to the four corners.

[0011] The side wall of the movable plate is provided with a receiving groove, and the extension plate is movably connected in the receiving groove.

[0012] The utility model achieves the following technical effects:

[0013] The anti-toppling shelf is locked by the stand column, the placing plate, the transmission assembly, the movable plate and the locking assembly, the universal wheel is locked in a plug-in mode, the anti-toppling shelf can effectively avoid the slippage and shaking of the universal wheel, the stability of the shelf in a static state is ensured, the contact surface between the shelf and the ground is increased by the movable plate, part of the pressure on the universal wheel is dispersed, the deformation amount of the shelf is reduced, and the anti-toppling shelf is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a perspective view of the utility model embodiment;

[0015] Figure 2 It is a structure schematic view of the extension plate in an extended state of the utility model embodiment;

[0016] Figure 3 It is a sectional structure schematic view of the utility model embodiment;

[0017] Figure 4 It is a partial sectional structure schematic view of the utility model embodiment;

[0018] Figure 5 It is an enlarged view of A in the utility model embodiment Figure 3

[0019] Figure 6 It is an enlarged view of B in the utility model embodiment Figure 4

[0020] In the drawings, the components represented by each reference numeral are listed as follows:

[0021] 1, stand column; 2, placing plate; 3, transmission box; 4, movable plate; 5, screw rod; 6, threaded cylinder; 7, first bevel gear; 8, second bevel gear; 9, horizontal shaft; 10, rocker; 11, limiting rod; 12, universal wheel; 13, groove; 14, spring; 15, plug block; 16, plug groove; 17, pressing plate; 18, through groove; 19, top plate; 20, receiving groove; 21, extension plate. DETAILED DESCRIPTION

[0022] ​​In order to make the purpose and advantages of the utility model more clear and understandable, the utility model is specifically described below in combination with embodiments. It should be understood that the following text is merely used to describe one or several specific embodiments of the utility model and does not strictly limit the scope of protection specifically requested by the utility model.

[0023] As shown in Figures 1-6 , a kind of anti-toppling shelf, including column 1, column 1 between assembly is equipped with several placing plate 2, the bottom surface of lowermost placing plate 2 is fixedly connected with transmission box 3, transmission box 3 lower side is provided with movable plate 4, the bottom surface of transmission box 3 inner chamber is rotatably connected with screw rod 5, screw rod 5 bottom end penetrates transmission box 3 and is threadedly connected with threaded cylinder 6, threaded cylinder 6 bottom end is fixedly connected with movable plate 4, transmission box 3 inner chamber is provided with transmission assembly, column 1 bottom end is all equipped with universal wheel 12, and the end surface of column 1 bottom is provided with locking assembly.

[0024] As shown in Figure 3 and Figure 5 , transmission assembly includes the first bevel gear 7 fixedly connected on the side wall of screw rod 5, the first bevel gear 7 one side is engaged with second bevel gear 8, and the side wall of second bevel gear 8 is fixedly connected with horizontal shaft 9, and the other end of horizontal shaft 9 penetrates transmission box 3 and is fixedly connected with rocker 10.Movable plate 4 top surface is fixedly connected with two limit rods 11, and limit rod 11 top end penetrates transmission box 3 and is movably connected therewith.

[0025] Among them, using transmission assembly can drive screw rod 5 to rotate on the side of shelf, while screw rod 5 is rotating, using limit rod 11 to limit threaded cylinder 6, so that it drives movable plate 4 to move downward synchronously, so as to conveniently drive movable plate 4 to adhere to the ground, can disperse the pressure on the shelf, improve its stability.

[0026] As shown in Figure 4 and Figure 6 , locking assembly includes recess 13 opened in the end surface of column 1 bottom, and the top surface of recess 13 is fixedly connected with spring 14, and the bottom end of spring 14 is fixedly connected with plug 15, and the side wall of universal wheel 12 is opened with several evenly distributed insertion grooves 16, and plug 15 is matched with insertion groove 16, and the side wall of plug 15 is provided with linkage assembly.

[0027] Linkage assembly includes pressing plate 17 fixedly connected on the side wall of plug 15, and the side wall of column 1 is opened with through slot 18, and through slot 18 is communicated with recess 13, and through slot 18 is provided with L-shaped, and pressing plate 17 penetrates through slot 18, and the top surface of movable plate 4 is fixedly connected with top plate 19 near four corners, and top plate 19 is L-shaped.

[0028] The universal wheel 12 is locked by the plug-in mode of the locking assembly, which can effectively avoid the slippage and shaking of the universal wheel 12, ensure the stability of the shelf in the static state, and cooperate with the linkage assembly, when the top plate 19 moves downward to a certain extent and is released from the pressing plate 17, when the movable plate 4 is tightly attached to the ground, the plug 15 enters the slot 16, and the linkage locking effect is achieved.

[0029] As shown in Figure 2 The movable plate 4 is provided with a receiving groove 20 on the side wall, and the extension plate 21 is movably connected in the receiving groove 20.

[0030] In addition, the extension plate 21 can be opened outward according to the on-site demand, and the extension plate 21 is arranged on the front and rear sides of the movable plate 4, which is used to expand the support surface of the shelf and the ground, avoid the phenomenon of tilting and toppling of the shelf, and further improve the stability.

[0031] The working principle of the utility model is as follows: after the shelf is moved to a suitable position by the universal wheel 12, the rocker 10 is rotated to drive the horizontal shaft 9 to rotate, the horizontal shaft 9 drives the second bevel gear 8 to rotate, the second bevel gear 8 meshes with the first bevel gear 7 to drive the screw 5 to rotate, the screw 5 drives the movable plate 4 to move downward through the threaded barrel 6, the movable plate 4 drives the top plate 19 to move downward, when the top plate 19 is released from the pressing plate 17, the top plate 19 presses the pressing plate 17 and drives the plug 15 to move downward, at the same time, the spring 14 is stretched, so that the plug 15 is inserted into the slot 16, when the movable plate 4 is combined with the ground, the plug 15 is inserted into position, which can not only increase the contact surface of the shelf and the ground and reduce the deformation amount of the shelf, but also lock the universal wheel 12 to avoid the shaking phenomenon, thereby improving the stability.

[0032] The above is only the preferred embodiment of the utility model, and it should be pointed out that for ordinary skilled persons in the technical field, some improvements and refinements can be made without departing from the principle of the utility model, and these improvements and refinements should be regarded as the protection range of the utility model. The structures, devices and operation methods not specifically described and explained in the utility model are implemented according to the conventional means in the field without special description and limitation.

Claims

1. Anti-toppling shelving comprising uprights (1) between which a number of resting plates (2) are fitted, characterised in that: The bottom surface of the lowermost placing plate (2) is fixedly connected with a transmission box (3), the lower side of the transmission box (3) is provided with a movable plate (4), the bottom surface of the inner cavity of the transmission box (3) is rotatably connected with a screw rod (5), the bottom end of the screw rod (5) penetrates through the transmission box (3) and is threadedly connected with a threaded cylinder (6), the bottom end of the threaded cylinder (6) is fixedly connected with the movable plate (4), the inner cavity of the transmission box (3) is provided with a transmission assembly, the bottom end of the stand (1) is provided with a universal wheel (12), and the bottom end surface of the stand (1) is provided with a locking assembly.

2. A tip-preventing shelf as claimed in claim 1, characterised in that: The transmission assembly comprises a first bevel gear (7) fixedly connected to the side wall of the screw rod (5), the first bevel gear (7) is meshed with a second bevel gear (8) on one side, the side wall of the second bevel gear (8) is fixedly connected with a horizontal shaft (9), and the other end of the horizontal shaft (9) penetrates through the transmission box (3) and is fixedly connected with a rocker (10).

3. A tip-preventing shelf as claimed in claim 2, wherein: The top surface of the movable plate (4) is fixedly connected with two limiting rods (11), and the top end of the limiting rod (11) penetrates through the transmission box (3) and is movably connected therewith.

4. A tip-preventing shelf as claimed in claim 1, characterized in that: The locking assembly comprises a groove (13) formed in the bottom end surface of the stand (1), the top surface of the groove (13) is fixedly connected with a spring (14), the bottom end of the spring (14) is fixedly connected with an insertion block (15), the side wall of the universal wheel (12) is provided with a plurality of uniformly distributed insertion grooves (16), the insertion block (15) is matched with the insertion grooves (16), and the side wall of the insertion block (15) is provided with a linkage assembly.

5. A tip-preventing shelf as claimed in claim 4, characterised in that: The linkage assembly comprises a pressing plate (17) fixedly connected to the side wall of the insertion block (15), the side wall of the stand (1) is provided with a through groove (18), the through groove (18) is communicated with the groove (13), the through groove (18) is L-shaped, the pressing plate (17) penetrates through the through groove (18), the top surface of the movable plate (4) is fixedly connected with a top plate (19) near the four corners, and the top plate (19) is L-shaped.

6. A tip-preventing shelf as claimed in claim 1, characterized in that: The side wall of the movable plate (4) is provided with a receiving groove (20), and the receiving groove (20) is movably connected with an extension plate (21).

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