Foldable protective fence for safety engineering

Abstract

The utility model discloses a foldable protective fence for safety engineering, relates to the technical field of protective fences, and aims to solve the problems that the protective effect is weakened due to a larger gap when the foldable protective fence is unfolded and the foldable protective fence is easy to topple over when the foldable protective fence is placed on an uneven ground. The same crosspiece mechanism is arranged on the outer walls of the rear ends of the two supporting frames, and leveling assemblies are arranged on the outer walls of the front ends of the two supporting frames; the two supporting frames are pulled to drive the cross-shaped folding frame to be unfolded, so that the sleeves slide on the outer surfaces of the sleeve rods, after the corresponding sleeves are locked by rotating the nuts, through cooperation of the multiple sleeve rods and the sleeves, gaps formed after the cross-shaped folding frame is unfolded are reduced, the pull blocks are pulled to drive the positioning blocks to enter the receding grooves, and therefore the cross-shaped folding frame is folded. The supporting seats slide to drive the sliding rods to move, and after the pull blocks are loosened, the positioning blocks are pushed to be inserted into the corresponding positioning grooves under the action of the springs, so that the two supporting frames are located on the same level.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of guardrails, in particular to a foldable guardrail for safety engineering. BACKGROUND

[0002] The foldable guardrail for safety engineering is a portable and foldable fence facility specially designed for safety engineering, mainly used in construction sites, temporary work areas, dangerous area isolation and other scenes, and has safety, convenience and flexibility.

[0003] The existing foldable guardrail realizes the protection function by unfolding the folding frame, but there is a large gap between the parts of the unfolded folding frame, which leads to poor protection effect. Moreover, when the area where the guardrail is placed is uneven, the guardrail is prone to collapse due to unstable support, affecting its normal use.

[0004] Therefore, there is a need for a foldable guardrail for safety engineering to solve the problem of existing technology that the foldable guardrail causes a large gap when unfolded, thereby weakening the protection effect, and the foldable guardrail is prone to collapse when placed on uneven ground. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a foldable guardrail for safety engineering to solve the problem of existing technology that the foldable guardrail causes a large gap when unfolded, thereby weakening the protection effect, and the foldable guardrail is prone to collapse when placed on uneven ground.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a foldable guardrail for safety engineering, comprising two symmetrically distributed support frames, a same cross folding frame is arranged between the two support frames, a support seat is arranged on the bottom surface of each support frame, a same crosspiece mechanism is arranged on the outer wall of the rear end of each support frame, and a leveling assembly is arranged on the outer wall of the front end of each support frame.

[0007] The crosspiece mechanism comprises five evenly distributed sleeve rods, two symmetrically distributed sleeves are slidingly sleeved on the outer surface of each sleeve rod, an active slot is formed in the outer wall of the rear end of each sleeve, two threaded holes are formed in the outer wall of the rear end of each sleeve rod, two threaded rods are arranged in the two threaded holes, and a nut is arranged on the outer surface of each threaded rod.

[0008] It needs to be explained in the scheme that each group of the leveling assembly comprises a fixed rod fixedly connected to the outer wall of the front end of the support frame, a sliding cavity is formed in the bottom surface of the fixed rod, a sliding rod is slidably connected inside the sliding cavity, a plurality of positioning grooves are evenly distributed in the outer wall of the front end of the sliding rod, an avoiding groove is formed in the inner front end wall of the sliding cavity, a connecting rod is arranged inside the avoiding groove, a positioning block matched with the positioning groove is fixedly connected to the outer wall of the rear end of the connecting rod, a spring is sleeved on the outer surface of the connecting rod, and a pull block is slidably penetrated through the outer wall of the front end of the fixed rod and coaxially fixedly connected to the outer wall of the front end of the connecting rod.

[0009] It is further worth mentioning that the outer walls of the two sides of the two support frames are provided with mounting grooves, and vertical rods are fixedly connected between the top surface and the bottom surface of the mounting grooves.

[0010] It needs to be further explained that the bottom of the outer surface of each vertical rod is tightly sleeved with a fixed block, and the top of the outer surface of each vertical rod is slidably sleeved with a moving block.

[0011] As a preferred embodiment, the four ends of the cross-shaped folding frame are rotatably connected with two fixed blocks and two moving blocks, the outer walls of the front ends of the five mounting blocks on the same side are fixedly connected with the outer wall of the rear end of the corresponding support frame, and the two moving blocks are slidably matched with the corresponding mounting grooves.

[0012] As a preferred embodiment, the bottom surfaces of the two sliding rods are fixedly connected with the top surfaces of the two support bases, and the two positioning blocks are inserted into the corresponding positioning grooves.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. By pulling the two support frames to drive the cross-shaped folding frame to unfold, the sleeve slides on the outer surface of the sleeve rod, and after the corresponding sleeve is locked by the nut, the gap after the cross-shaped folding frame is unfolded is reduced through the cooperation of the plurality of sleeve rods and sleeves, thereby improving the protection effect of the protective fence and effectively avoiding the problem that a large gap is caused when the folding protective fence is unfolded, thereby weakening the protection effect.

[0015] 2. By pulling the pull block to drive the positioning block into the avoiding groove, the sliding support base drives the sliding rod to move, and after the pull block is loosened, the positioning block is inserted into the corresponding positioning groove under the action of the spring, so that the two support frames are located at the same level, the normal use of the protective fence is ensured, the stability of the protective fence is improved, and the problem that the folding protective fence is prone to tilting when placed on uneven ground is effectively avoided. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall front view of the present invention;

[0017] Figure 2 This is a front view cross-sectional structural diagram of the support frame of this utility model;

[0018] Figure 3 This is a schematic diagram of the overall rear view structure of this utility model;

[0019] Figure 4 This is a side view sectional diagram of one of the fixing rods of this utility model.

[0020] The following are the labeling elements in the diagram: 1. Support frame; 2. Cross folding frame; 3. Support base; 4. Horizontal block mechanism; 41. Sleeve rod; 42. Sleeve; 43. Movable groove; 44. Stud; 45. Nut; 46. Mounting block; 5. Leveling assembly; 51. Fixed rod; 52. Sliding cavity; 53. Sliding rod; 54. Positioning groove; 55. Clearance groove; 56. Connecting rod; 57. Positioning block; 58. Spring; 59. Pull block; 6. Mounting groove; 7. Vertical rod; 8. Fixed block; 9. Moving block. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example: Figures 1-4 As shown, this utility model provides a technical solution, including two symmetrically distributed support frames 1, a cross folding frame 2 between the two support frames 1, a support base 3 on the bottom surface of each of the two support frames 1, a crossbar mechanism 4 on the outer wall of the rear end of each of the two support frames 1, and a leveling component 5 on the outer wall of the front end of each of the two support frames 1.

[0023] The crossbar mechanism 4 includes five evenly distributed sleeve rods 41. Each sleeve rod 41 has two symmetrically distributed sleeves 42 slidably fitted on its outer surface. The outer wall of the rear end of each sleeve 42 has a movable groove 43. The outer wall of the rear end of each sleeve rod 41 is fixedly connected to two studs 44 that pass through the two movable grooves 43. Nuts 45 are threaded onto the outer surface of each stud 44. Mounting blocks 46 are fixedly connected to the outer wall of one side of each of the two sleeves 42 on the outer surface of the same sleeve rod 41.

[0024] Further as Figure 1 and Figure 4As shown, it is worth noting that each set of leveling assembly 5 includes a fixed rod 51 fixedly connected to the outer wall of the front end of the support frame 1, a sliding cavity 52 is opened in the bottom surface of the fixed rod 51, a sliding rod 53 is slidably connected inside the sliding cavity 52, a plurality of positioning grooves 54 are opened in the outer wall of the front end of the sliding rod 53, an avoidance groove 55 is opened in the inner front end wall of the sliding cavity 52, a connecting rod 56 is arranged inside the avoidance groove 55, a positioning block 57 adapted to the positioning groove 54 is fixedly connected to the outer wall of the rear end of the connecting rod 56, a spring 58 is sleeved on the outer surface of the connecting rod 56, and a pull block 59 is coaxially and fixedly connected to the outer wall of the front end of the connecting rod 56 and slidably penetrates the outer wall of the front end of the fixed rod 51.

[0025] Further as shown in Figure 2 , it is worth noting that the outer wall of one side of the two support frames 1 is provided with a mounting groove 6, and a vertical rod 7 is fixedly connected between the top surface and the bottom surface inside the mounting groove 6.

[0026] Further as shown in Figure 2 , it is worth noting that the outer surface of the two vertical rods 7 is tightly sleeved with a fixed block 8 at the bottom, and the outer surface of the two vertical rods 7 is slidably sleeved with a moving block 9 at the top.

[0027] Further as shown in Figure 2 and Figure 3 , it is worth noting that the four ends of the cross folding frame 2 are respectively rotatably connected with the two fixed blocks 8 and the two moving blocks 9, and through the cooperation of the fixed blocks 8, the moving blocks 9 and the vertical rods 7, the opening and closing of the cross folding frame 2 are realized. The front end outer wall of the five mounting blocks 46 on the same side is fixedly connected with the rear end outer wall of the corresponding support frame 1, the gap after the cross folding frame 2 is expanded through the setting of the crosspiece mechanism 4, and the two moving blocks 9 are slidably matched with the corresponding mounting grooves 6, thereby improving the stability of the moving block 9 during sliding.

[0028] Further as shown in Figure 1 and Figure 4 , it is worth noting that the bottom surface of the two sliding rods 53 is fixedly connected with the top surface of the two support seats 3, and through the sliding cooperation of the sliding rod 53 and the sliding cavity 52, the fence is not affected by the flatness of the ground. The two positioning blocks 57 are inserted into the inside of the corresponding positioning grooves 54, and through the cooperation of the positioning blocks 57 and the positioning grooves 54, the sliding rod 53 is locked. The two ends of each spring 58 are respectively fixedly connected with the inner front end wall of the corresponding avoidance groove 55 and the front end outer wall of the corresponding positioning block 57. Under the action of the spring 58, the movement and resetting of the positioning block 57 are realized.

[0029] In summary: the guardrail in use, while pulling two support frame 1 to both sides, so that the moving block 9 on the vertical rod 7 down sliding, thus driving the cross folding frame 2 to unfold, at this time each sleeve 42 is in the corresponding sleeve rod 41 outer surface sliding, when the cross folding frame 2 to unfold to the appropriate length, rotating the nut 45 will corresponding sleeve 42 locking, in turn each nut 45 operation, complete the folding guardrail unfolding, through the cooperation of a plurality of sleeve rod 41 and sleeve 42, reduce the gap after the cross folding frame 2 unfolding, thereby improving the protection effect of the guardrail, effectively avoid the folding guardrail unfolding will cause a larger gap and thus weaken the protection effect of the problem.

[0030] When the area where the guardrail is placed is uneven, pull the pull block 59 outside the lower side of the fixed rod 51, drive the positioning block 57 into the avoidance groove 55 through the connecting rod 56, unlock the slide rod 53, slide the slide rod 53 downward to drive the support seat 3 to contact the ground, then release the pull block 59, and push the positioning block 57 into the corresponding positioning groove 54 under the action of the spring 58, relock the slide rod 53, so that the two support frames 1 are located at the same level, ensuring the normal use of the guardrail, not affected by the flatness of the ground, improving the stability of the guardrail, effectively avoiding the problem that the folding guardrail is prone to falling when placed on uneven ground.

[0031] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A foldable safety railing for safety engineering, comprising two symmetrically distributed support frames (1), characterized in that: The same cross-folding frame (2) is provided between the two support frames (1), and a support seat (3) is provided on the bottom surface of both support frames (1). The same horizontal bar mechanism (4) is provided on the outer wall of the rear end of both support frames (1), and a leveling component (5) is provided on the outer wall of the front end of both support frames (1). The crossbar mechanism (4) includes five evenly distributed sleeves (41). Each sleeve (41) has two symmetrically distributed sleeves (42) slidably fitted on its outer surface. The outer wall of the rear end of each sleeve (42) has a movable groove (43). The outer wall of the rear end of each sleeve (41) is fixedly connected to two studs (44) that pass through the two movable grooves (43). The outer surface of each stud (44) is threaded with a nut (45). The outer wall of each of the two sleeves (42) on the outer surface of the same sleeve (41) is fixedly connected to an installation block (46).

2. The foldable safety railing for safety engineering according to claim 1, characterized in that: Each leveling assembly (5) includes a fixed rod (51), which is fixedly connected to the outer wall of the front end of the support frame (1). A sliding cavity (52) is provided on the bottom surface of the fixed rod (51). A sliding rod (53) is slidably connected inside the sliding cavity (52). A plurality of evenly distributed positioning grooves (54) are provided on the outer wall of the front end of the sliding rod (53). An avoidance groove (55) is provided on the front wall of the inner side of the sliding cavity (52). A connecting rod (56) is provided inside the avoidance groove (55). A positioning block (57) that matches the positioning groove (54) is fixedly connected to the outer wall of the rear end of the connecting rod (56). A spring (58) is sleeved on the outer surface of the connecting rod (56). A pull block (59) is slidably connected to the outer wall of the front end of the connecting rod (56) through the outer wall of the front end of the fixed rod (51).

3. The foldable safety railing for safety engineering according to claim 2, characterized in that: The outer walls of the two support frames (1) on the adjacent side are provided with mounting grooves (6), and vertical rods (7) are fixedly connected between the top and bottom surfaces inside the mounting grooves (6).

4. The foldable safety railing for safety engineering according to claim 3, characterized in that: The bottom of the outer surface of each of the two vertical rods (7) is fastened with a fixing block (8), and the top of the outer surface of each of the two vertical rods (7) is slidably fitted with a moving block (9).

5. A foldable safety railing for safety engineering according to claim 4, characterized in that: The four ends of the cross folding frame (2) are rotatably connected to two fixed blocks (8) and two movable blocks (9) respectively. The front outer walls of the five mounting blocks (46) located on the same side are fixedly connected to the rear outer wall of a corresponding support frame (1). The two movable blocks (9) are slidably engaged with the corresponding mounting grooves (6).

6. A foldable safety railing for safety engineering according to claim 5, characterized in that: The bottom surfaces of the two slide rods (53) are fixedly connected to the top surfaces of the two support seats (3), and the two positioning blocks (57) are inserted into the corresponding positioning grooves (54). The two ends of each spring (58) are fixedly connected to the front wall of the corresponding clearance groove (55) and the front outer wall of the corresponding positioning block (57).

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