Foldable protective barrier for building construction

Abstract

A foldable protective barrier for building construction relates to the technical field of construction safety, and is characterized in that stress rods are respectively screwed on the front and rear side walls of two support frames through shafts and bearings, a clamping groove is formed in the left stress rod, and movable grooves are formed in the front and rear side walls of the right stress rod; the connecting frame is clamped in the two clamping grooves respectively, two movable blocks are fixedly arranged on the connecting frame, the movable blocks are movably arranged in the movable grooves, a connecting plate is fixedly arranged on the connecting frame, the threaded rod is arranged on the connecting plate in a threaded and penetrating mode, and a plurality of threaded holes matched with the threaded rod are formed in the side wall of the right stress rod at equal intervals. According to the protective barrier, folding storage and length specification adjustment are facilitated, the stress of the folding frame can be shared in the stress impact state, and the stress bearing performance of the protective barrier is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of construction safety, in particular to a foldable protective railing for building construction. Background Art

[0002] During the construction process of buildings, guardrails need to be arranged around them for isolation. Although the existing foldable and retractable guardrails are easy to fold and retract, and their length specifications can be adjusted according to usage requirements, the guardrails of this structure have poor load-bearing performance when subjected to frontal collisions. Therefore, there is an urgent need for a foldable guardrail for construction. Utility Model Content

[0003] The utility model aims to provide a reasonably designed foldable construction guardrail for solving the above problems in view of the defects and shortcomings of the prior art.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: it comprises a supporting frame and a folding frame, and the folding frame is connected between the two supporting frames;

[0005] It also contains:

[0006] Force-bearing rods, there are four force-bearing rods, which are respectively screwed and arranged on the front and rear side walls of the two support frames through shafts and bearings, a clamping groove is opened on the left force-bearing rod, and movable grooves are opened on the front and rear side walls of the right force-bearing rod, and the front and rear side walls of the support frames are provided with limiting mechanisms that cooperate with the force-bearing rods;

[0007] A connecting frame, wherein the connecting frame is two and is respectively clamped in two clamping slots, two movable blocks are fixedly arranged on the connecting frame, the movable blocks are movably arranged in the movable slots, and a connecting plate is fixedly arranged on the connecting frame;

[0008] There are two threaded rods, which are respectively screwed and penetrated on the two connecting plates through threads. A plurality of threaded holes matching with the threaded rods are evenly distributed on the side wall of the right force-bearing rod.

[0009] Preferably, the limiting mechanism comprises:

[0010] A fixing plate, wherein the fixing plate is fixedly arranged on the side wall of the support frame, and springs are fixedly arranged in two slots provided on the fixing plate;

[0011] A movable plate, wherein the movable plate is movably disposed on the side wall of the fixed plate, and two insertion rods are fixedly disposed on the movable plate, the insertion rods are movably inserted into the slots, and one end of the insertion rods is fixedly connected to the spring;

[0012] The limiting strip is fixedly arranged on the side wall of the movable plate, and the side wall of the force-bearing rod is provided with a cross limiting groove matched with the limiting strip.

[0013] Preferably, reflective warning strips are fixedly provided on the front and rear side walls of the support frame.

[0014] Preferably, a buffer strip is fixedly provided on the side wall of the stress-bearing rod.

[0015] Preferably, a reinforcing rib plate is fixedly provided on the support frame.

[0016] Compared with the prior art, the beneficial effect of the utility model is that the foldable guardrail for construction described in the utility model is not only convenient for folding and storage and adjusting the length specifications, but also can distribute the force of the folding frame when under force impact, thereby improving the force bearing performance of the guardrail. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model.

[0018] Figure 2 It is a schematic diagram of the structure of the utility model in a folded and stored state.

[0019] Figure 3 It is an exploded view of the parts of the force-bearing rod, the connecting rod, the movable block, the connecting plate and the threaded rod in the utility model.

[0020] Figure 4 It is an exploded view of the parts of the limiting mechanism in the utility model.

[0021] Description of reference numerals:

[0022] Support frame 1, folding frame 2, force-bearing rod 3, card slot 4, movable slot 5, limit mechanism 6, fixed plate 6-1, spring 6-2, movable plate 6-3, plug rod 6-4, limit strip 6-5, connecting frame 7, movable block 8, connecting plate 9, threaded rod 10, reflective warning strip 11, buffer strip 12, reinforcing rib plate 13. DETAILED DESCRIPTION

[0023] The technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. The preferred embodiments in the description are only used as examples, and all other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the utility model.

[0024] like Figure 1-Figure 4As shown, this specific embodiment adopts the following technical solution: it comprises a support frame 1 and a folding frame 2, the folding frame 2 is connected between the two support frames 1, a reinforcing rib plate 13 is fixedly provided on the support frame 1, the reinforcing rib plate 13 can improve the structural strength of the support frame 1, and a reflective warning strip 11 is bonded and fixedly provided on the front and rear side walls of the support frame 1, and the reflective characteristics of the reflective warning strip 11 under poor lighting conditions can also fully provide warnings to personnel;

[0025] It also contains:

[0026] The force-bearing rods 3 are four in number and are respectively screwed together and arranged on the front and rear side walls of the two support frames 1 through shafts and bearings. A card slot 4 is provided on the left force-bearing rod 3, and movable slots 5 are provided on the front and rear side walls of the right force-bearing rod 3. Buffer strips 12 are bonded and fixedly arranged on the side walls of the force-bearing rods 3. Through the buffering effect of the buffer strips 12, force buffering can be provided when other objects collide with the guardrails. Limiting mechanisms 6 cooperating with the force-bearing rods 3 are provided on the front and rear side walls of the support frame 1.

[0027] A connecting frame 7, wherein the connecting frame 7 is two in number and is respectively clamped in the two clamping slots 4. Two movable blocks 8 are fixedly provided on the connecting frame 7 by bolts. The movable blocks 8 are movably provided in the movable slots 5. A connecting plate 9 is fixedly provided on the connecting frame 7 by bolts.

[0028] Threaded rods 10, there are two threaded rods 10, which are respectively screwed and penetrated on the two connecting plates 9, and a plurality of threaded holes matching with the threaded rods 10 are evenly distributed on the side wall of the right force-bearing rod 3;

[0029] The limiting mechanism 6 comprises:

[0030] A fixing plate 6-1, wherein the fixing plate 6-1 is fixedly disposed on the side wall of the support frame 1, and springs 6-2 are fixedly disposed in two slots provided on the fixing plate 6-1;

[0031] A movable plate 6-3, wherein the movable plate 6-3 is movably disposed on the side wall of the fixed plate 6-1, and two plug rods 6-4 are fixedly disposed on the movable plate 6-3 by bolts, and the plug rods 6-4 are movably inserted into the slots, and one end of the plug rods 6-4 is fixedly connected to the spring 6-2;

[0032] The limiting strip 6-5 is fixedly arranged on the side wall of the movable plate 6-3, and a cross limiting groove matching with the limiting strip 6-5 is opened on the side wall of the force-bearing rod 3.

[0033] When using the utility model, the support frames 1 on both sides are moved in opposite directions to unfold the folding frame 2, and then the movable plate 6-3 is moved away from the fixed plate 6-1, and the movable plate 6-3 drives the insertion rod 6-4 and the limit bar 6-5 to move, so that the spring 6-2 is stretched, and the limit bar 6-5 is disengaged from the cross limit groove, and then the force-bearing rod 3 in the vertical state is flipped to the horizontal state, and then the movable plate 6-3 is released, at this time, the spring 6-2 is reset and shortened, and the movable plate 6-3 is driven toward the fixed plate 6-1 through the insertion rod 6-4. Move, the movable plate 6-3 drives the limit bar 6-5 to be clamped into the cross limit groove again, and then the threaded rod 10 can be screwed out from the threaded hole, and then the position of the connecting frame 7 can be adjusted by moving the movable block 8 in the movable groove 5. After the connecting frame 7 is clamped into the clamping groove 4, the threaded rod 10 is screwed in the opposite direction again to make the threaded rod 10 screwed and inserted into the corresponding threaded hole. When the guardrail is subjected to a frontal impact, the force-bearing rod 3 and the connecting frame 7 can fully share the force acting on the folding frame 2, thereby improving the force-bearing performance of the guardrail.

[0034] After adopting the above structure, the beneficial effects of this specific implementation are as follows:

[0035] 1. Through the cooperation of the force-bearing rod 3, the connecting frame 7, the movable block 8, the connecting plate 9 and the threaded rod 10, the guardrail can not only have the functions of folding and storage and adjusting the length specification, but also can share the force of the folding frame 2 under the force impact state, thereby improving the force bearing performance of the guardrail;

[0036] 2. Through the cooperation of the limiting mechanism 6, the limit of the load-bearing rod 3 in the horizontal or vertical state can be achieved.

[0037] For those skilled in the art, they can modify the technical solutions recorded in the aforementioned embodiments and make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A foldable guardrail for construction, comprising a support frame (1) and a folding frame (2), wherein the folding frame (2) is connected between the two support frames (1); Features: It also contains: A force-bearing rod (3), wherein the force-bearing rod (3) is four in number and is respectively arranged on the front and rear side walls of the two support frames (1) by means of shafts and bearings, a clamping groove (4) is provided on the left force-bearing rod (3), and movable grooves (5) are provided on the front and rear side walls of the right force-bearing rod (3), and a limiting mechanism (6) matched with the force-bearing rod (3) is provided on the front and rear side walls of the support frame (1); A connecting frame (7), wherein the connecting frame (7) is two in number and is respectively clamped in the two clamping slots (4); two movable blocks (8) are fixedly arranged on the connecting frame (7); the movable blocks (8) are movably arranged in the movable slots (5); and a connecting plate (9) is fixedly arranged on the connecting frame (7); The threaded rods (10) are two in number and are respectively threadedly connected to the two connecting plates (9). The side wall of the right force-bearing rod (3) is provided with a plurality of threaded holes that are evenly spaced and match the threaded rods (10).

2. A foldable guardrail for construction according to claim 1, characterized in that: The limiting mechanism (6) comprises: A fixing plate (6-1), the fixing plate (6-1) being fixedly arranged on a side wall of the support frame (1), and springs (6-2) being fixedly arranged in two slots provided on the fixing plate (6-1); A movable plate (6-3), the movable plate (6-3) being movably disposed on the side wall of the fixed plate (6-1), two insertion rods (6-4) being fixedly disposed on the movable plate (6-3), the insertion rods (6-4) being movably inserted into the slots, and one end of the insertion rods (6-4) being fixedly connected to the spring (6-2); A limit strip (6-5) is fixedly arranged on the side wall of the movable plate (6-3), and a cross limit groove matching the limit strip (6-5) is opened on the side wall of the force-bearing rod (3).

3. The foldable guardrail for construction according to claim 1, characterized in that: Reflective warning strips (11) are fixedly arranged on the front and rear side walls of the support frame (1).

4. The foldable guardrail for construction according to claim 1, characterized in that: A buffer strip (12) is fixedly arranged on the side wall of the force-bearing rod (3).

5. The foldable guardrail for construction according to claim 1, characterized in that: A reinforcing rib plate (13) is fixedly arranged on the support frame (1).

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