Goods shelf anti-falling device

Abstract

The utility model discloses a goods shelf anti-falling device which belongs to the technical field of goods shelves and comprises three placing assemblies, an adjusting assembly, two supporting assemblies, a driving assembly, three blocking assemblies and a fixing frame, each placing assembly comprises a placing disc, two limiting grooves are formed in each of the two sides in the placing disc, a cavity is formed in the placing disc, and the adjusting assembly is arranged in the cavity. A through groove is formed in the upper surface of the placing disc; according to the goods shelf, the threaded rods are rotated forwards through the operation blocks, in the unfolding process of the goods shelf, the baffles stretch out from the upper portions of the through grooves, then the baffles can block objects placed on the containing discs, the objects placed on the containing discs are not prone to sliding off from the surfaces of the containing discs, the threaded rods are rotated backwards through the operation blocks, and the goods shelf is contracted; and the top of the baffle automatically moves into the through groove, and then an operator can easily take and place the articles placed on the placement disc which is adjusted to be low.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of goods shelves, and particularly relates to a goods shelf anti-falling device. BACKGROUND

[0002] Goods shelves are used for placing articles, but in the use process of the current goods shelves, the goods shelves can be impacted or vibrated, and the articles placed on the goods shelves can slide off from the top of the goods shelves, therefore, the goods shelves are usually equipped with anti-falling devices, one of which is to fixedly arrange a baffle on the goods shelves to block, which can easily affect the placement of goods, and the other of which is to detachably install a baffle on the goods shelves, and the baffle needs to be detached when loading goods, which is inconvenient to operate, and therefore, a goods shelf anti-falling device is needed to solve the above problems. SUMMARY

[0003] The utility model aims at providing a goods shelf anti-falling device to solve the problems in the background.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a goods shelf anti-falling device, including three placing assemblies, an adjusting assembly, two supporting assemblies, a driving assembly, three blocking assemblies and a fixed frame, the placing assembly includes a placing disc, two limiting grooves are arranged on the two sides in the placing disc, a cavity is arranged in the placing disc, and a through groove is arranged on the upper surface of the placing disc;

[0005] The adjusting assembly first folding frame is hinged with a plurality of movable rods through a plurality of pin shafts, the plurality of movable rods are slidingly connected in the three cavities respectively, the front surface of the plurality of movable rods is connected with a push block, the two sides of the push block are provided with inclined surfaces, and a plurality of clamping grooves are arranged on the upper surface of the push block.

[0006] The supporting assembly includes a second folding frame, the second folding frame is hinged with a plurality of limiting blocks through a plurality of pin shafts, and the plurality of limiting blocks are slidingly connected in the plurality of limiting grooves respectively.

[0007] The driving assembly includes a threaded rod, the threaded rod is threadedly connected in the middle placing disc, the threaded rod is threadedly connected in the two movable rods located in the middle, and one end of the threaded rod is connected with an operating block.

[0008] The blocking assembly includes a baffle, the baffle is slidingly connected in the through groove, the bottom of the baffle is provided with a plurality of clamping blocks, the clamping blocks are clamped in the clamping grooves, the back surface of the plurality of baffles is connected with a limiting plate, a plurality of limiting rods are slidingly connected in the limiting plate, the plurality of limiting rods are connected in the cavities, springs are sleeved on the limiting rods, and the two ends of the springs are connected with the cavities and the limiting plate respectively.

[0009] The upper surface of the uppermost placing disc is connected with the fixed frame.

[0010] As a preferred scheme, two guide rods are connected in the middle cavity, and the two movable rods are slidingly connected outside the two guide rods.

[0011] As a preferred scheme, the push block and the limiting plate are arranged in the cavity, and the limiting plate is arranged between the two movable rods.

[0012] As a preferred scheme, the shape of the fixed frame is U-shaped, and the baffle is arranged in front of the fixed frame.

[0013] As a preferred scheme, the first folding frame is arranged between the two second folding frames, and the first folding frame is arranged behind the two second folding frames.

[0014] As a preferred scheme, the shapes of the clamping block and the clamping groove are wedge-shaped.

[0015] As a preferred scheme, the threaded rod is arranged between the two guide rods, and the threaded rod is composed of two threaded columns with opposite threaded directions.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] The utility model discloses, through operating block positive rotation threaded rod, this goods shelf in the process of unfolding, baffle stretches out from the top of through groove, then baffle can block the article placed in the top of placing tray, make the article placed on placing tray not easy from its surface slide, through operating block reverse threaded rod, this goods shelf contracts, and the top of baffle automatically moves to through groove, then operating personnel can easily take and put the article placed on the placing tray after adjusting low,

[0018] The utility model discloses, remove the article on placing tray, reverse operating block, and the first folding frame of contraction drives several placing trays to be close to each other, when several placing trays contact, stop rotating operating block, the size of this goods shelf can be adjusted to minimum at this time, and blocking component completely moves to placing assembly, so that the goods shelf with blocking component can be conveniently carried. DRAWINGS

[0019] Figure 1 It is the structure schematic diagram of the front view solid of the utility model;

[0020] Figure 2 It is the structure schematic diagram of the rear view solid of the utility model;

[0021] Figure 3 It is the sectional structure schematic diagram of the partial front view solid of the utility model;

[0022] Figure 4The utility model discloses a partial side view solid section structure schematic diagram

[0023] Figure 5 The utility model discloses Figure 4 The utility model discloses a structure schematic diagram of enlarged A place in the middle

[0024] Figure 6 The utility model discloses a top view solid section structure schematic diagram.

[0025] In the drawing: 1, placing assembly, 11, placing disc, 12, limiting groove, 13, cavity, 14, through groove, 2, adjusting assembly, 21, first folding frame, 22, movable rod, 23, push block, 24, inclined plane, 25, clamping groove, 3, supporting assembly, 31, second folding frame, 32, limiting block, 4, driving assembly, 41, threaded rod, 42, operating block, 5, blocking assembly, 51, baffle, 52, clamping block, 53, limiting plate, 54, limiting rod, 55, spring, 6, fixed frame, 7, guide rod. DETAILED DESCRIPTION

[0026] The utility model will be further described below in combination with examples.

[0027] The following examples are used to illustrate the utility model, but cannot be used to limit the protection scope of the utility model. The conditions in the examples can be further adjusted according to specific conditions, and simple improvement of the method of the utility model under the concept of the utility model belongs to the range required to be protected by the utility model.

[0028] Please refer to Figures 1-6 The utility model provides a goods shelf anti -fall device, including three placing assembly 1, adjusting assembly 2, two supporting assembly 3, driving assembly 4, three blocking assembly 5 and fixed frame 6, placing assembly 1 includes placing disc 11, and two limiting grooves 12 are established in the both sides in placing disc 11, and the cavity 13 is established in placing disc 11, and the through groove 14 is established on the upper surface of placing disc 11;

[0029] Adjusting assembly 2 first folding frame 21, and first folding frame 21 is hinged with a plurality of movable rods 22 through a plurality of pin shafts respectively, and a plurality of movable rods 22 are slidably connected in three cavities 13 respectively, and the front of a plurality of movable rods 22 is connected with push block 23, and the both sides of push block 23 are equipped with inclined plane 24, and the upper surface of push block 23 is equipped with a plurality of clamping grooves 25;

[0030] Supporting assembly 3 includes second folding frame 31, and second folding frame 31 is hinged with a plurality of limiting blocks 32 through a plurality of pin shafts respectively, and a plurality of limiting blocks 32 are slidably connected in a plurality of limiting grooves 12 respectively, and through setting limiting block 32 and limiting groove 12, limiting block 32 and limiting groove 12 can be fixed in the both sides of placing disc 11 with second folding frame 31 by mutual matching.

[0031] The driving assembly 4 comprises a threaded rod 41, the threaded rod 41 is threadedly connected in the middle placement disc 11, the threaded rod 41 is threadedly connected in the two movable rods 22 located in the middle, one end of the threaded rod 41 is connected with the operation block 42;

[0032] The blocking assembly 5 comprises a baffle 51, the baffle 51 is slidingly connected in the through groove 14, the bottom of the baffle 51 is provided with a plurality of clamping blocks 52, the clamping blocks 52 are clamped in the clamping grooves 25, the back surfaces of the plurality of baffles 51 are connected with the limiting plates 53, the limiting plates 53 are slidingly connected with a plurality of limiting rods 54, the plurality of limiting rods 54 are connected in the cavities 13, the limiting rods 54 are sleeved with springs 55, the two ends of the springs 55 are respectively connected with the cavities 13 and the limiting plates 53, by arranging the baffle 51, the baffle 51 can be not only arranged as a fixed-size plate, but also arranged as a telescopic plate according to actual conditions;

[0033] The upper surface of the uppermost placement disc 11 is connected with the fixed frame 6;

[0034] Two guide rods 7 are connected in the middle cavities 13, the two movable rods 22 located in the middle are slidingly connected outside the two guide rods 7, the push block 23 and the limiting plate 53 are both arranged in the cavity 13, the limiting plate 53 is arranged between the two movable rods 22, by arranging the limiting plate 53, the limiting plate 53 can limit the baffle 51, when the baffle 51 is pulled upward, the baffle 51 will not move out from the top of the through groove 14;

[0035] The shape of the fixed frame 6 is arranged as a U shape, the baffle 51 is arranged in front of the fixed frame 6, the first folding frame 21 is arranged between the two second folding frames 31, the first folding frame 21 is arranged behind the two second folding frames 31, the shapes of the clamping block 52 and the clamping groove 25 are both arranged as wedge shapes, by arranging the clamping block 52 and the clamping groove 25, when the clamping block 52 is clamped in the clamping groove 25, the clamping groove 25 and the clamping block 52 can limit the push block 23 and the baffle 51 in cooperation; because the shapes of the clamping block 52 and the clamping groove 25 are both arranged as wedge shapes, when the push block 23 drives the clamping groove 25 to move, the wedge-shaped clamping groove 25 can push the wedge-shaped clamping block 52 to automatically move out from its inside;

[0036] The threaded rod 41 is located between the two guide rods 7, by arranging the guide rod 7, the guide rod 7 can limit the movable rod 22 sliding on its outer surface, so that the movable rod 22 can move along the axial direction of the guide rod 7 stably under the action of the rotating threaded rod 41;

[0037] The threaded rod 41 is composed of two threaded columns with opposite threaded directions, by arranging the threaded rod 41, the rotating threaded rod 41 can drive the two movable rods 22 located in the middle to move close to or away from each other.

[0038] The working principle and use process of the utility model are: when the goods shelf needs to be used, the threaded rod 41 is turned forward through the operation block 42, the two movable rods 22 in the middle are driven to move close to each other by the rotating threaded rod 41, the movable rods 22 moving close to each other drive the first folding frame 21 to unfold, the unfolded folding frame drives the two adjacent placing discs 11 to move away from each other, and the placing discs 11 moving away from each other drive the two second folding frames 31 to unfold, in the process, the limiting block 32 slides in the limiting groove 12;

[0039] When the movable rods 22 moving close to each other all drive the inclined surface 24 of the push block 23 close to the clamping block 52, the push block 23 moving close to each other all drives the baffle 51 to move upward in the through groove 14 through the inclined surface 24 and the clamping block 52, the baffle 51 moving upward drives the limiting plate 53 to move upward, the baffle 51 moving upward stretches the spring 55, so that the clamping block 52 contacts the upper surface of the push block 23, when the push block 23 drives the clamping groove 25 to move directly below the clamping block 52, the limiting plate 53 can drive the clamping block 52 to move into the clamping groove 25 through the baffle 51 under the elastic force of the spring 55, at this time, the baffle 51 extends from above the through groove 14, and then the baffle 51 can block the articles placed above the placing disc 11;

[0040] When the threaded rod 41 is reversed through the operation block 42, the two adjacent placing discs 11 move close to each other, the movable rods 22 moving away from each other all drive the push block 23 to move away from each other, the push block 23 moving away from each other drives the clamping groove 25 to extrude the clamping block 52, the clamping block 52 moves upward and automatically moves out of the clamping groove 25, then the push block 23 moves away from below the clamping block 52, the limiting plate 53 drives the baffle 51 to move downward in the through groove 14 under the elastic force of the spring 55, so that the top of the baffle 51 moves into the through groove 14, then the operator can normally take and place the articles placed on the placing disc 11;

[0041] When the goods shelf is used, the articles on the placing disc 11 are removed, then the operation block 42 is continuously reversed, the first folding frame 21 drives the several placing discs 11 to move close to each other, and the several placing discs 11 moving close to each other drive the two second folding frames 31 to contract, when the several placing discs 11 contact, the operation block 42 is stopped, at this time, the size of the goods shelf can be adjusted to the minimum.

[0042] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A shelf anti-falling device, comprising three placing assemblies (1), an adjusting assembly (2), two supporting assemblies (3), a driving assembly (4), three blocking assemblies (5) and a fixed frame (6), characterized in that: The placing assembly (1) comprises a placing disc (11), two limiting grooves (12) are formed in the placing disc (11), a cavity (13) is formed in the placing disc (11), and a through groove (14) is formed in the upper surface of the placing disc (11); The adjusting assembly (2) comprises a first folding frame (21), the first folding frame (21) is hinged with a plurality of movable rods (22) through a plurality of pin shafts, the movable rods (22) are slidably connected in the three cavities (13), the front surfaces of the movable rods (22) are connected with push blocks (23), the two sides of the push blocks (23) are provided with inclined surfaces (24), and the upper surfaces of the push blocks (23) are provided with a plurality of clamping grooves (25). The supporting assembly (3) comprises a second folding frame (31), the second folding frame (31) is hinged with a plurality of limiting blocks (32) through a plurality of pin shafts, and the limiting blocks (32) are slidably connected in the limiting grooves (12). The driving assembly (4) comprises a threaded rod (41), the threaded rod (41) is threadedly connected in the middle placing disc (11), the threaded rod (41) is threadedly connected in the two movable rods (22) located in the middle, and one end of the threaded rod (41) is connected with an operating block (42). The blocking assembly (5) comprises a baffle (51), the baffle (51) is slidably connected in the through groove (14), the bottom of the baffle (51) is provided with a plurality of clamping blocks (52), the clamping blocks (52) are clamped in the clamping grooves (25), the back surfaces of the baffle (51) are connected with limiting plates (53), the limiting plates (53) are slidably connected with a plurality of limiting rods (54), the limiting rods (54) are connected in the cavities (13), the limiting rods (54) are sleeved with springs (55), and the two ends of the springs (55) are connected with the cavities (13) and the limiting plates (53) respectively. The upper surface of the uppermost placing disc (11) is connected with a fixed frame (6).

2. A fall prevention device for a shelving unit according to claim 1, wherein: Two guide rods (7) are connected in the middle cavity (13), and the two movable rods (22) located in the middle are slidably connected outside the two guide rods (7).

3. A fall prevention device for a shelving unit according to claim 1, wherein: The push blocks (23) and the limiting plates (53) are arranged in the cavities (13), and the limiting plates (53) are arranged between the two movable rods (22).

4. A fall prevention device for a shelving unit according to claim 1, wherein: The fixed frame (6) is in the shape of U, and the baffle (51) is arranged in front of the fixed frame (6).

5. A fall prevention device for a shelving unit according to claim 1, wherein: The first folding frame (21) is arranged between the two second folding frames (31), and the first folding frame (21) is arranged behind the two second folding frames (31).

6. A shelf fall prevention device according to claim 1, characterized in that: The clamping blocks (52) and the clamping grooves (25) are all in the shape of wedge.

7. A fall prevention device for a shelving unit according to claim 1, wherein: The threaded rod (41) is located between the two guide rods (7), and the threaded rod (41) is composed of two threaded columns with opposite thread directions.

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