Quick connecting device for guardrail

Abstract

The utility model discloses a quick connecting device for guardrails, and relates to the technical field of isolation guardrail installation, the quick connecting device comprises two connecting assemblies, each connecting assembly comprises a supporting column, a fixing plate, a supporting rail, a lead screw, a sliding block and a first limiting block, the fixing plate is arranged on the surface of the supporting column, the supporting rail is arranged on the surface of the fixing plate, and the lead screw is arranged on the supporting rail. The middle of the supporting rail is rotationally connected with a lead screw. The guardrail connecting device has the advantages that in order to conveniently adapt to guardrails with different heights, one end of a guardrail to be connected is placed at the top end of the second limiting block, the position of the sliding block is adjusted according to the height of the guardrail, and a worker rotates the lead screw through the adjusting wheel, so that the bottom end of the first limiting block exerts pressure on the top end of the guardrail; according to the guardrail connecting device, the guardrail can be quickly connected and fixed, operation is more convenient, the guardrail connecting device can adapt to guardrail vertical rods with different widths through the structure, customized connecting devices with different specifications are reduced, and cost is reduced.

Description

Technical Field

[0001] The utility model relates to a quick connection device, in particular to a quick connection device for a guardrail, and belongs to the technical field of installation of isolation guardrails. Background Art

[0002] Guardrails are widely used in the fields of construction, gardening, road safety, etc. The main function of the isolation guardrail is to prevent people or objects from falling accidentally. It can also play a role in separating spaces and beautifying the environment. During the installation of the isolation guardrail, a fast, simple and reliable connection method is essential to improve construction efficiency and reduce costs. However, the traditional isolation guardrail connection method is often complicated to operate, the connection strength is not high, and it is easily affected by the environment. Therefore, a quick connection device for guardrails is needed;

[0003] Among them, the "connecting device for guardrail" disclosed in application number "CN202122016594.3" is also an increasingly mature technology, including a lifting column, the bottom of the surface of the lifting column is slidably connected to a ground column, the bottom of the ground column is rotatably connected to a fixing bolt, guardrails are arranged on both sides of the ground column, and a clamping mechanism is arranged inside the guardrail, the clamping mechanism includes a first transmission shaft, a first active bevel gear, a first driven bevel gear, a first threaded rod, a threaded cylinder, a strut, a slider, a sliding rod, and a sleeve. A groove is provided on the top of the first transmission shaft, and the first transmission shaft is rotatably connected to the inner wall of the lifting column through a bearing. The first active bevel gear is fixedly mounted on the surface of the first transmission shaft, the first active bevel gear is meshed with the first driven bevel gear, and the first driven bevel gear is fixedly mounted on the surface of the first threaded rod. The utility model solves the problem of inconvenient installation and disassembly of traditional guardrails;

[0004] However, the above method still has the following defects in actual use: the guardrail connecting device cannot adapt to guardrails of different heights, has a narrow scope of use, and requires customization of connecting devices of different specifications, which increases the cost. Utility Model Content

[0005] The utility model aims to provide a quick connection device for a guardrail, so as to solve the problem that the device cannot adapt to guardrails of different heights and has a narrow application range as mentioned in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a quick connection device for a guardrail, comprising a connection assembly, two of which are provided, each of which comprises a support column, a fixed plate, a support rail, a screw rod, a slider and a first limit block, a fixed plate is provided on the surface of the support column, a support rail is provided on the surface of the fixed plate, a screw rod is rotatably connected to the middle part of the support rail, a slider is threadedly connected to the surface of the screw rod, and a first limit block is provided at one end of the slider; an adjustment assembly, the adjustment assembly comprises an adjusting wheel, a connecting block and a bellows, the adjusting wheel is provided at the top end of the screw rod, the connecting block is provided at the top of the screw rod, and a bellows is provided at the bottom end of the connecting block.

[0007] As a preferred technical solution of the utility model, a support block is arranged at the bottom end of the support rail, and a second limiting block is arranged on one side of the top end of the support block.

[0008] As a preferred technical solution of the present utility model, the inner wall of the first limiting block and the inner wall of the second limiting block are both provided with anti-slip patterns.

[0009] As a preferred technical solution of the present invention, a connecting column is provided at the top end of the supporting column, and a protective plate is provided at the top end of the connecting column.

[0010] As a preferred technical solution of the utility model, limit plates are provided on both sides of the bottom of the support rail.

[0011] As a preferred technical solution of the utility model, a support seat is arranged at the bottom end of the support column, and an anti-slip pad is arranged at the bottom end of the support seat.

[0012] As a preferred technical solution of the present invention, four corners of the support base are provided with mounting holes.

[0013] Compared with the related art, the quick connection device for guardrail provided by the utility model has the following beneficial effects:

[0014] In order to facilitate adapting to guardrails of different heights, one end of the guardrail to be connected is placed on the top of the second limit block, and the position of the slider is adjusted according to the height of the guardrail. The staff rotates the screw through the adjusting wheel to make the bottom end of the first limit block apply pressure to the top of the guardrail, so that the connection and fixation of the guardrail can be quickly completed, and the operation is more convenient. The anti-slip pattern increases the friction of the guardrail contact, making it difficult for the guardrail to fall off. The limit plates on both sides have a good limiting effect on the left and right of the guardrail, which can reduce its left and right shaking and improve its stability. The above structure can adapt to guardrail poles of different widths, reduce the customization of connection devices of different specifications, and reduce costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a side structural schematic diagram of the utility model;

[0017] Figure 3 It is a front structural schematic diagram of the utility model;

[0018] Figure 4 For this utility model Figure 2 A is an enlarged structural diagram of FIG.

[0019] In the figure: 1. connecting assembly; 11. supporting column; 111. connecting column; 112. protective plate; 12. fixing plate; 13. supporting rail; 14. screw rod; 141. limiting plate; 15. sliding block; 16. first limiting block; 17. supporting block; 171. second limiting block; 172. anti-skid pattern; 2. adjusting assembly; 21. adjusting wheel; 22. connecting block; 23. bellows; 3. supporting seat; 31. anti-skid pad; 32. mounting hole. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Embodiment 1:

[0022] See also Figure 1-4 The utility model provides a quick connection device for a guardrail, including a connection assembly 1, two connection assemblies 1 are provided, each connection assembly 1 includes a support column 11, a fixed plate 12, a support rail 13, a screw rod 14, a slider 15 and a first limit block 16, the surface of the support column 11 is fixedly provided with the fixed plate 12, the surface of the fixed plate 12 is fixedly provided with the support rail 13, the middle part of the support rail 13 is rotatably connected with the screw rod 14, the surface of the screw rod 14 is threadedly connected with the slider 15, and one end of the slider 15 is fixedly provided with the first limit block 16;

[0023] A support block 17 is fixedly disposed at the bottom end of the support rail 13, and a second limit block 171 is fixedly disposed on one side of the top end of the support block 17;

[0024] The inner wall of the first limiting block 16 and the inner wall of the second limiting block 171 are both fixedly provided with anti-slip grooves 172;

[0025] A connecting column 111 is fixedly provided at the top of the supporting column 11, and a protective plate 112 is fixedly provided at the top of the connecting column 111 to protect the top of the connecting device;

[0026] The two sides of the bottom of the support rail 13 are fixedly provided with limit plates 141, which play a good role in limiting the left and right positions of the guardrail and can reduce its left and right shaking;

[0027] A support seat 3 is fixedly provided at the bottom end of the support column 11, and an anti-skid pad 31 is fixedly provided at the bottom end of the support seat 3 to increase the friction force of contact with the guardrail;

[0028] The four corners of the support base 3 are provided with mounting holes 32 for mounting;

[0029] Specifically, first, a slider 15 that can slide up and down is provided on the inner wall of the support rail 13, and the slider 15 is connected to the first limit block 16. The first limit block 16 can move synchronously with the slider 15, and one end of the guardrail to be connected is placed on the top of the second limit block 171. The position of the slider 15 is adjusted according to the height of the guardrail. The staff rotates the screw rod 14 through the adjusting wheel 21. Under the action of the threaded connection between the screw rod 14 and the slider 15, the height of the slider 15 and the first limit block 16 can be flexibly adjusted, so that the bottom end of the first limit block 16 applies pressure to the top of the guardrail, and the connection and fixation of the guardrail can be quickly completed.

[0030] Embodiment 2:

[0031] The adjusting assembly 2 includes an adjusting wheel 21, a connecting block 22 and a bellows 23. The adjusting wheel 21 is fixedly arranged on the top of the screw rod 14, the connecting block 22 is fixedly arranged on the top of the screw rod 14, and the bellows 23 is fixedly arranged on the bottom of the connecting block 22;

[0032] Specifically, firstly, in order to reduce the entry of foreign matter into the connection between the screw rod 14 and the top of the support rail 13, a retractable bellows 23 is provided on the surface of the screw rod 14 through a connecting block 22. The bellows 23 can block the entry of foreign matter and has a better protective effect.

[0033] When in use, first move the guardrail to a suitable position through the support seat 3 using the quick connection device. The anti-skid pad 31 at the bottom end of the support seat 3 can improve the anti-skid property of the contact surface. After moving to a suitable position, it is fixed with external bolts through the mounting holes 32 at the corners. In order to facilitate adapting to guardrails of different heights, a support rail 13 is provided on the surface of the support column 11 through a fixing plate 12, and a slider 15 that can slide up and down is provided on the inner wall of the support rail 13. The slider 15 is connected to the first limit block 16, and the first limit block 16 can move synchronously with the slider 15. Place one end of the guardrail to be connected on the top of the second limit block 171, and adjust the position of the guardrail according to the height of the guardrail. The height of the adjustment slider 15 is adjusted by the staff member by rotating the screw rod 14 through the adjusting wheel 21. Under the effect of the threaded connection between the screw rod 14 and the slider 15, the height of the slider 15 and the first limit block 16 can be flexibly adjusted, so that the bottom end of the first limit block 16 applies pressure to the top of the guardrail, and the connection and fixation of the guardrail can be quickly completed, and the operation is more convenient. The anti-skid pattern 172 on the inner wall of the first limit block 16 and the second limit block 171 increases the friction of the contact of the guardrail, so that the guardrail is not easy to fall off, and the limit plates 141 on both sides of the bottom of the support rail 13 play a good limiting role on the left and right of the guardrail, which can reduce its left and right shaking and improve its stability.

[0034] In order to reduce the entry of foreign matter into the connection between the screw rod 14 and the top of the support rail 13, a retractable bellows 23 is provided on the surface of the screw rod 14 through a connecting block 22. The bellows 23 can block the entry of foreign matter and has a better protective effect.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A quick connection device for a guardrail, It is characterized in that include A connecting assembly (1), wherein two connecting assemblies (1) are provided, each of the connecting assemblies (1) comprises a supporting column (11), a fixing plate (12), a supporting rail (13), a screw rod (14), a sliding block (15) and a first limiting block (16), wherein the surface of the supporting column (11) is provided with a fixing plate (12), the surface of the fixing plate (12) is provided with a supporting rail (13), the middle part of the supporting rail (13) is rotatably connected with a screw rod (14), the surface of the screw rod (14) is threadedly connected with a sliding block (15), and one end of the sliding block (15) is provided with a first limiting block (16); An adjusting component (2), the adjusting component (2) comprising an adjusting wheel (21), a connecting block (22) and a bellows (23), the adjusting wheel (21) being arranged at the top end of a screw rod (14), the connecting block (22) being arranged at the top of the screw rod (14), and the bottom end of the connecting block (22) being provided with a bellows (23).

2. A quick connection device for a guardrail according to claim 1, Features: A support block (17) is provided at the bottom end of the support rail (13), and a second limiting block (171) is provided on one side of the top end of the support block (17).

3. A quick connection device for a guardrail according to claim 2, Features: The inner wall of the first limiting block (16) and the inner wall of the second limiting block (171) are both provided with anti-slip grooves (172).

4. A quick connection device for a guardrail according to claim 1, Features: A connecting column (111) is provided at the top end of the supporting column (11), and a protective plate (112) is provided at the top end of the connecting column (111).

5. A quick connection device for a guardrail according to claim 1, Features: Limiting plates (141) are provided on both sides of the bottom of the support rail (13).

6. A quick connection device for a guardrail according to claim 1, Features: A support seat (3) is provided at the bottom end of the support column (11), and an anti-slip pad (31) is provided at the bottom end of the support seat (3).

7. A quick connection device for a guardrail according to claim 6, Features: The four corners of the support seat (3) are all provided with mounting holes (32).

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