Guardrail for building construction

Abstract

The utility model discloses a guardrail for building construction, and relates to the technical field of guardrails, the guardrail comprises a first guardrail, the outer side of the first guardrail is rotatably connected with two corresponding second guardrails, the first guardrail and the second guardrails are internally provided with a plurality of second sliding grooves, the second sliding grooves are internally connected with second sliding rods in a sliding mode, and the second sliding rods are connected with the second sliding rods in a sliding mode. A threaded rod is rotationally connected into the second sliding groove, the threaded rod penetrates through the second sliding rod and is in threaded connection with the second sliding rod, a plurality of first internal grooves are formed in the first guardrail and the second guardrail correspondingly, and transmission mechanisms are arranged in the first internal grooves; the guardrail for building construction has the beneficial effects that through mutual cooperation of a second sliding rod, a threaded rod, a first internal groove, a first rotating shaft, a worm gear, a second rotating shaft, a worm, a third rotating shaft, a first bevel gear and a second bevel gear, the protection height of the guardrail for building construction can be adjusted according to use requirements; and therefore, the applicability of the guardrail for building construction is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of guardrails, in particular to a guardrail for building construction. Background Art

[0002] In order to avoid accidents to construction workers at the construction site, construction guardrails are usually set up on the periphery of the construction site to prevent construction workers from accidentally falling into deep foundation pits. They can also prevent objects falling from high altitudes from injuring construction workers. Therefore, construction guardrails are an indispensable safety device at the construction site.

[0003] According to the Chinese patent application number 202222104124.7, a guardrail for construction includes two bases, one of which is fixedly connected to a connecting rod, and the other base is rotatably connected to the rotating rod through a bearing, a fence cloth is connected between the rotating rod and the connecting rod, and a positioning mechanism is provided on the rotating rod. By rotating the rotating rod, the fence cloth is unrolled so that the entire length of the guardrail can be adjusted according to the on-site construction conditions and the required maintenance length, thereby increasing the applicability of the device.

[0004] However, the height of the guardrail for construction cannot be adjusted according to different usage scenarios, which reduces the applicability of the guardrail for construction. For this reason, we propose a guardrail for construction. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a guardrail for building construction, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a guardrail for construction, comprising a first guardrail, the outer side of the first guardrail is rotatably connected to two corresponding second guardrails, the first guardrail and the second guardrail are each provided with a plurality of second slide grooves inside, the second slide groove is slidably connected to a second slide rod inside, the second slide groove is rotatably connected to a threaded rod inside, the threaded rod passes through the second slide rod and is threadedly connected thereto, the first guardrail and the second guardrail are each provided with a plurality of first internal grooves inside, a transmission mechanism is provided inside the first internal groove, a rotating groove is provided inside the second guardrail, a rotating block is rotatably connected inside the rotating groove, two corresponding clamping grooves are provided inside the first guardrail, and two corresponding clamping mechanisms are provided inside the first guardrail.

[0007] Preferably, the transmission mechanism includes a first rotating shaft, which is rotatably connected to the inside of the first internal groove, a worm wheel is fixedly connected to the outside of the first rotating shaft and located inside the first internal groove, a second rotating shaft is rotatably connected to the inside of the plurality of first internal grooves, a worm is fixedly connected to the outside of the second rotating shaft and located inside the first internal groove, the worm and the worm wheel are meshed with each other, one end of the first rotating shaft extends to the inside of the second slide groove and is fixedly connected to the threaded rod, and the normal operation of the lifting mechanism can be ensured by the transmission mechanism, so that the connecting rod and the first slide rod are driven to rise and fall by the second slide rod, and the height of the construction guardrail can be adjusted according to the use requirements. The applicability of the construction guardrail is improved.

[0008] Preferably, a second internal groove is opened inside the first guardrail and the second guardrail, a first bevel gear is fixedly connected to the outside of the second rotating shaft and located inside the second internal groove, a third rotating shaft is rotatably connected to the inside of the second internal groove, a second bevel gear is fixedly connected to the outside of the third rotating shaft and located inside the second internal groove, the first bevel gear and the second bevel gear are meshed with each other, and the normal operation of the transmission mechanism can be guaranteed by the mutual cooperation of the second rotating shaft, the second internal groove, the third rotating shaft, the first bevel gear and the second bevel gear.

[0009] Preferably, one end of the third rotating shaft extends to the outside of the first guardrail and the second guardrail and is fixedly connected to a handle.

[0010] Preferably, the clamping mechanism includes a third slide groove, the third slide groove is opened inside the first guardrail, the third slide groove is slidably connected inside the third slide groove, the interior of the rotating block is opened with a plug-in groove, the third slide rod and the plug-in groove cooperate with each other, one side of the third slide rod is fixedly connected with a push block, one end of the push block extends to the outside of the first guardrail, and the rotating block can be clamped and fixed to the inside of the clamping groove through the clamping mechanism, so that the first guardrail and the second guardrail are fixed after they are unfolded, so that the use length of the guardrail for construction can be adjusted according to usage requirements, thereby improving the applicability of the guardrail for construction.

[0011] Preferably, a plurality of telescopic springs are arranged inside the third slide groove, one end of the telescopic spring is fixedly connected to one side of the third slide rod, and the other end of the telescopic spring is fixedly connected to the inside of the third slide groove; through the cooperation of the third slide groove, the third slide rod and the telescopic spring, the third slide rod can be limited, thereby ensuring the stability of the first guardrail and the second guardrail after being clamped and fixed, and ensuring the stability of the guardrail for construction when in use.

[0012] Preferably, a plurality of first slide grooves are provided inside the first guardrail and the second guardrail, a first slide rod is slidably connected inside the first slide groove, a connecting rod is fixedly connected to the top of the plurality of first slide rods and second slide rods, and a warning light is fixedly connected to the top of the connecting rod.

[0013] The utility model provides a guardrail for building construction, which has the following beneficial effects:

[0014] 1. The guardrail for construction can adjust the protection height of the guardrail for construction according to the use requirements through the mutual cooperation of the second sliding groove, the second sliding rod, the threaded rod, the first internal groove, the first rotating shaft, the worm gear, the second rotating shaft, the worm, the second internal groove, the third rotating shaft, the first bevel gear and the second bevel gear, thereby improving the applicability of the guardrail for construction.

[0015] 2. The guardrail for construction can be clamped and fixed to the first guardrail and the second guardrail through the cooperation of the rotating groove, the rotating block, the clamping groove, the third sliding groove, the third sliding rod, the plug-in groove, the telescopic spring and the push block, thereby ensuring the stability of the guardrail for construction during use. Compared with general guardrails for construction, it is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the transmission mechanism of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the clamping mechanism of the utility model.

[0019] In the figure: 1. first guardrail; 2. second guardrail; 3. first slide groove; 4. first slide rod; 5. second slide groove; 6. second slide rod; 7. threaded rod; 8. first internal groove; 9. first rotating shaft; 10. worm gear; 11. second rotating shaft; 12. worm; 13. second internal groove; 14. third rotating shaft; 15. first bevel gear; 16. second bevel gear; 17. handle; 18. rotating groove; 19. rotating block; 20. slot; 21. third slide groove; 22. third slide rod; 23. plug-in slot; 24. telescopic spring; 25. push block; 26. connecting rod; 27. warning light. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] See also Figures 1 to 3The utility model provides a technical solution: a guardrail for construction, comprising a first guardrail 1, the outer side of the first guardrail 1 is rotatably connected to two corresponding second guardrails 2, a plurality of second slide grooves 5 are provided inside the first guardrail 1 and the second guardrail 2, a second slide rod 6 is slidably connected inside the second slide groove 5, a threaded rod 7 is rotatably connected inside the second slide groove 5, the threaded rod 7 passes through the second slide rod 6 and is threadedly connected thereto, a plurality of first internal grooves 8 are provided inside the first guardrail 1 and the second guardrail 2, a transmission mechanism is provided inside the first internal groove 8, a rotating groove 18 is provided inside the second guardrail 2, a rotating block 19 is rotatably connected inside the rotating groove 18, two corresponding clamping grooves 20 are provided inside the first guardrail 1, and two corresponding clamping mechanisms are provided inside the first guardrail 1;

[0022] The transmission mechanism includes a first rotating shaft 9, which is rotatably connected to the inside of the first internal groove 8, a worm wheel 10 is fixedly connected to the outside of the first rotating shaft 9 and located inside the first internal groove 8, and a second rotating shaft 11 is rotatably connected to the inside of the plurality of first internal grooves 8, a worm 12 is fixedly connected to the outside of the second rotating shaft 11 and located inside the first internal groove 8, and the worm 12 is meshed with the worm wheel 10, and one end of the first rotating shaft 9 extends to the inside of the second slide groove 5 and is fixedly connected to the threaded rod 7. The normal operation of the lifting mechanism can be ensured by the transmission mechanism, so that the second slide rod 6 drives the connecting rod 26 and the first slide rod 4 to rise and fall, and the height of the construction guardrail can be adjusted according to the use requirements. The applicability of the construction guardrail is improved;

[0023] The first guardrail 1 and the second guardrail 2 are both provided with a second internal groove 13, the outside of the second rotating shaft 11 and the inside of the second internal groove 13 are fixedly connected with a first bevel gear 15, the inside of the second internal groove 13 is rotatably connected with a third rotating shaft 14, the outside of the third rotating shaft 14 and the inside of the second internal groove 13 are fixedly connected with a second bevel gear 16, the first bevel gear 15 and the second bevel gear 16 are meshed with each other, and the normal operation of the transmission mechanism can be guaranteed by the mutual cooperation of the second rotating shaft 11, the second internal groove 13, the third rotating shaft 14, the first bevel gear 15 and the second bevel gear 16. When in use, the handle 17 is manually turned to drive the third rotating shaft 14 to rotate, and then Then, the second bevel gear 16 is driven to rotate, and the first bevel gear 15 is driven to rotate through the mutual engagement of the first bevel gear 15 and the second bevel gear 16, and then the second rotating shaft 11 is driven to rotate, and then the two worms 12 are driven to rotate, and then the two first rotating shafts 9 are driven to rotate through the mutual engagement of the worm 12 and the worm wheel 10, and then the threaded rod 7 is driven to rotate, and then the second slide bar 6 is driven to slide inside the second slide groove 5, and then the telescopic spring 24 and the plurality of first slide bars 4 are driven to move, so as to adjust the use height of the guardrail for construction, and one end of the third rotating shaft 14 extends to the outside of the first guardrail 1 and the second guardrail 2 and is fixedly connected with a handle 17;

[0024] The clamping mechanism includes a third slide groove 21, which is opened inside the first guardrail 1, and a third slide rod 22 is slidably connected inside the third slide groove 21. A plug-in groove 23 is opened inside the rotating block 19, and the third slide rod 22 cooperates with the plug-in groove 23. A push block 25 is fixedly connected to one side of the third slide rod 22, and one end of the push block 25 extends to the outside of the first guardrail 1. The rotating block 19 can be clamped and fixed to the inside of the clamping groove 20 through the clamping mechanism, so that the first guardrail 1 and the second guardrail 2 can be fixed after being unfolded, so that it can be used according to the needs. The use length of the guardrail for construction is adjusted to improve the applicability of the guardrail for construction. A plurality of telescopic springs 24 are arranged inside the third slide slot 21. One end of the telescopic spring 24 is fixedly connected to one side of the third slide bar 22. The other end of the telescopic spring 24 is fixedly connected to the inside of the third slide slot 21. The third slide bar 22 can be limited by the mutual cooperation of the third slide slot 21, the third slide bar 22 and the telescopic spring 24, thereby ensuring the stability of the first guardrail 1 and the second guardrail 2 after being clamped and fixed, and ensuring the stability of the guardrail for construction when in use.

[0025] A plurality of first slide grooves 3 are provided inside the first guardrail 1 and the second guardrail 2, a first slide rod 4 is slidably connected inside the first slide groove 3, a connecting rod 26 is fixedly connected to the top of the plurality of first slide rods 4 and second slide rods 6, and a warning light 27 is fixedly connected to the top of the connecting rod 26.

[0026] In summary, when using the guardrail for construction, the staff first adjusts the length of the guardrail for construction according to the use requirements, first manually rotates the second guardrail 2, and then manually pushes the push block 25 to drive the third slide bar 22 to slide into the inside of the third slide slot 21, so that the telescopic spring 24 is contracted, and then the rotating block 19 is rotated to the inside of the card slot 20, and then the push block 25 is released, so that the telescopic spring 24 rebounds and pushes the third slide bar 22 to reset, so that it is plugged into the inside of the plug-in slot 23, thereby fixing the rotating block 19, thereby fixing the first guardrail 1 and the second guardrail 2, and then manually rotates according to the use requirements. The movable handle 17 drives the third rotating shaft 14 to rotate, and then drives the second bevel gear 16 to rotate. Through the mutual engagement of the first bevel gear 15 and the second bevel gear 16, the first bevel gear 15 is driven to rotate, and then the second rotating shaft 11 is driven to rotate, and then the two worm gears 12 are driven to rotate, and then through the mutual engagement of the worm gear 12 and the worm wheel 10, the two first rotating shafts 9 are driven to rotate, and then the threaded rod 7 is driven to rotate, and then the second slide bar 6 is driven to slide inside the second slide groove 5, and then the telescopic spring 24 and multiple first slide bars 4 are driven to move, so as to adjust the use height of the guardrail for construction.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A guardrail for construction, comprising a first guardrail (1), characterized in that: The outer side of the first guardrail (1) is rotatably connected to two corresponding second guardrails (2); a plurality of second slide grooves (5) are provided inside the first guardrail (1) and the second guardrail (2); a second slide rod (6) is slidably connected inside the second slide groove (5); a threaded rod (7) is rotatably connected inside the second slide groove (5); the threaded rod (7) passes through the second slide rod (6) and is threadedly connected thereto; a plurality of first internal grooves (8) are provided inside the first guardrail (1) and the second guardrail (2); a transmission mechanism is provided inside the first internal groove (8); a rotating groove (18) is provided inside the second guardrail (2); a rotating block (19) is rotatably connected inside the rotating groove (18); two corresponding clamping grooves (20) are provided inside the first guardrail (1); and two corresponding clamping mechanisms are provided inside the first guardrail (1).

2. A guardrail for construction according to claim 1, characterized in that: The transmission mechanism comprises a first rotating shaft (9), the first rotating shaft (9) is rotatably connected to the inside of the first internal groove (8), a worm wheel (10) is fixedly connected to the outside of the first rotating shaft (9) and located inside the first internal groove (8), a plurality of second rotating shafts (11) are rotatably connected to the inside of the first internal groove (8), a worm (12) is fixedly connected to the outside of the second rotating shaft (11) and located inside the first internal groove (8), the worm (12) and the worm wheel (10) are meshed with each other, and one end of the first rotating shaft (9) extends to the inside of the second sliding groove (5) and is fixedly connected to the threaded rod (7).

3. A guardrail for construction according to claim 2, characterized in that: A second internal groove (13) is provided inside the first guardrail (1) and the second guardrail (2); a first bevel gear (15) is fixedly connected to the outside of the second rotating shaft (11) and inside the second internal groove (13); a third rotating shaft (14) is rotatably connected inside the second internal groove (13); a second bevel gear (16) is fixedly connected to the outside of the third rotating shaft (14) and inside the second internal groove (13); and the first bevel gear (15) and the second bevel gear (16) are meshed with each other.

4. A guardrail for construction according to claim 3, characterized in that: One end of the third rotating shaft (14) extends to the outside of the first guardrail (1) and the second guardrail (2) and is fixedly connected to a handle (17).

5. The guardrail for construction according to claim 1, characterized in that: The clamping mechanism comprises a third slide groove (21), the third slide groove (21) is arranged inside the first guardrail (1), a third slide rod (22) is slidably connected inside the third slide groove (21), a plug-in groove (23) is arranged inside the rotating block (19), the third slide rod (22) and the plug-in groove (23) cooperate with each other, a push block (25) is fixedly connected to one side of the third slide rod (22), and one end of the push block (25) extends to the outside of the first guardrail (1).

6. A guardrail for construction according to claim 5, characterized in that: A plurality of telescopic springs (24) are arranged inside the third slide groove (21), one end of the telescopic spring (24) is fixedly connected to one side of the third slide rod (22), and the other end of the telescopic spring (24) is fixedly connected to the inside of the third slide groove (21).

7. A guardrail for construction according to claim 1, characterized in that: A plurality of first slide grooves (3) are provided inside the first guardrail (1) and the second guardrail (2), a first slide rod (4) is slidably connected inside the first slide groove (3), a connecting rod (26) is fixedly connected to the top of the plurality of first slide rods (4) and the second slide rods (6), and a warning light (27) is fixedly connected to the top of the connecting rod (26).

Images