Building guardrail convenient to disassemble for civil engineering

Abstract

The utility model provides a building guardrail convenient to disassemble for civil engineering, and relates to the technical field of building material equipment for civil engineering. The building guardrail convenient to disassemble and used for civil engineering comprises a fixing frame, a fixing stop lever is fixedly connected to the interior of the fixing frame, a connecting box and a connecting base are fixedly connected to the two ends of the fixing frame respectively, inserting holes are formed in the inner top wall and the inner bottom wall of the connecting base, and inserting rods are slidably connected to the two ends of the connecting box. A connecting box of one fixed frame and a connecting base of the other fixed frame are combined, then a movable frame is controlled to slide in the connecting box, and two inserting rods are driven to extend out of the two ends of the connecting box to be inserted into two inserting holes under the action of a connecting gear and connecting teeth. And rotation of the connecting gears is limited through the limiting mechanisms, so that the insertion rods are limited to be pulled out of the insertion holes, the effect of efficiently splicing and disassembling the guardrails is achieved, operation is easy, and practicability is high.

Description

Technical Field

[0001] The utility model relates to a building guardrail, in particular to a building guardrail for civil engineering which is easy to disassemble and belongs to the technical field of building materials equipment for civil engineering. Background Art

[0002] Civil engineering mainly studies the basic knowledge and techniques of surveying, designing, building, maintaining and repairing various land engineering facilities. It carries out the construction, reconstruction or expansion of various engineering buildings, as well as the survey, planning, design and construction of related supporting facilities. The main engineering facilities include houses, roads, railways, pipelines, tunnels, bridges, dams, mines, etc. Guardrails will be used at civil engineering construction sites, and they play a role of safety protection during civil engineering construction.

[0003] Chinese patent announcement number CN212562753U discloses a safety guardrail for civil engineering construction, including end columns and intermediate columns installed between the end columns, the end columns are provided with rotation grooves, one end of the cross bar is symmetrically provided with a rotation shaft, the rotation shaft is rotatably connected to the rotation groove, a clamping tube is welded and connected to the intermediate column, one end of the clamping tube is provided with a clamping groove, a cross bar is slidably inserted in the clamping groove, one end of the cross bar is provided with a through hole, the clamping groove is symmetrically provided with through holes, and bolts are inserted in the window and the through hole.

[0004] However, the inventor of the above device believes that there are certain defects. The splicing between the guardrails of the above device adopts bolt connection, which makes the assembly or disassembly procedures of the guardrails more complicated and cumbersome, and the assembly and disassembly process requires the use of tools, which affects the installation efficiency of the guardrail. For this reason, the utility model provides a construction guardrail for civil engineering that is easy to disassemble. Utility Model Content

[0005] The purpose of the present utility model is to provide a civil engineering building guardrail that is easy to disassemble in order to solve the above-mentioned problem, so as to solve the problem that the guardrails in the above-mentioned comparative documents are spliced ​​by bolt connection, which makes the assembly or disassembly procedures of the guardrails more complicated and cumbersome, and the assembly and disassembly processes require the use of tools, thereby affecting the installation efficiency of the guardrail.

[0006] Technical Solution

[0007] The utility model is implemented through the following technical scheme: a building guardrail for civil engineering that is easy to disassemble, comprising a fixed frame, a fixed baffle rod is fixedly connected inside the fixed frame, a connecting box and a connecting seat are fixedly connected at both ends of the fixed frame, the inner top wall and the inner bottom wall of the connecting seat are provided with insertion holes, both ends of the connecting box are slidably connected to the plug rod, the interior of the connecting box is slidably connected to two movable frames, the two movable frames are respectively connected to the two plug rods, the side surfaces of the two movable frames that are close to each other are fixedly connected with connecting teeth, the interior of the connecting box is rotatably connected with a connecting gear, the two connecting teeth are meshed with the connecting gear, and the interior of the connecting box is provided with a limiting mechanism for limiting the rotation of the connecting gear.

[0008] Preferably, the limiting mechanism comprises a movable rack rod hinged inside the connection box, and the movable rack rod is meshed with the connection gear.

[0009] Preferably, a first through slot is provided on the connection box, one end of the movable rack rod extends to the outside of the connection box through the first through slot, and a spring is installed at the bottom of the movable rack rod.

[0010] Preferably, a second through slot is formed on the connection box, a connection block is slidably connected inside the second through slot, and the connection block is fixedly connected to one of the movable frames.

[0011] Preferably, a movable plate is slidably connected to the fixed baffle rod, a movable plate is fixedly connected to the movable baffle rod, the movable baffle rod is slidably connected to the top of the fixed frame, and a top pipe is fixedly connected to the top of the movable baffle rod.

[0012] Preferably, the top pipe is hollow, a plurality of sprinkler heads are mounted on the top pipe, and a connecting hose is mounted at one end of the top pipe.

[0013] Preferably, a threaded sleeve is rotatably connected inside the fixed frame, a threaded rod is threadedly connected inside the threaded sleeve, and the top of the threaded rod is fixedly connected to the bottom of the movable plate.

[0014] The utility model provides a building guardrail for civil engineering that is easy to disassemble, and has the following beneficial effects:

[0015] The device combines a connection box of a fixed frame and a connection seat of another fixed frame, and then controls a movable frame to slide inside the connection box. Under the action of the connecting gear and the connecting teeth, two plug rods are respectively extended from the two ends of the connection box and inserted into the two sockets. The limiting mechanism limits the rotation of the connecting gear, thereby limiting the withdrawal of the plug rods from the inside of the socket. The device achieves the effect of efficient splicing and disassembly of guardrails, is simple to operate, and is highly practical.

[0016] The device drives the threaded sleeve to rotate, causing the threaded rod to extend outward, thereby pushing the movable plate to slide on the fixed baffle rod, thereby raising the movable baffle rod. The overall height of the guardrail is adjusted according to on-site usage requirements, and the connecting hose is connected to the external water supply equipment. Water flows out through the sprinkler head to achieve the purpose of spraying and reducing dust around the guardrail. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0018] Figure 2 This is a three-dimensional diagram of the interior of the connection box of the utility model;

[0019] Figure 3 For the utility model Figure 2 The enlarged structural diagram at A in the middle;

[0020] Figure 4 It is a three-dimensional diagram of the movable plate structure of the utility model.

[0021]

Main component symbol description

[0022] 1. Fixed frame; 2. Fixed stop rod; 3. Connecting box; 31. Movable frame; 32. Connecting gear; 33. Connecting teeth; 34. Inserting rod; 4. Connecting seat; 41. Inserting hole; 5. First through slot; 51. Movable rack rod; 6. Second through slot; 61. Connecting pull block; 7. Movable plate; 8. Movable stop rod; 81. Top pipe; 82. Sprinkler head; 83. Connecting hose; 9. Threaded sleeve; 91. Threaded rod. DETAILED DESCRIPTION

[0023] The embodiment of the utility model provides a construction guardrail for civil engineering which is easy to disassemble.

[0024] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 A building guardrail for civil engineering that is easy to disassemble includes a fixed frame 1, a fixed blocking rod 2 is fixedly connected inside the fixed frame 1, and two ends of the fixed frame 1 are respectively fixedly connected with a connecting box 3 and a connecting seat 4, and the inner top wall and the inner bottom wall of the connecting seat 4 are provided with plug holes 41. Both ends of the connecting box 3 are slidably connected to the plug rod 34, and the connecting box 3 of one fixed frame 1 is combined with the connecting seat 4 of another fixed frame 1, and then the plug rods 34 at both ends of the connecting box 3 are pushed into the inside of the two plug holes 41 to complete the connection and combination between the two fixed frames 1.

[0025] Please refer again Figure 1 , Figure 2 and Figure 3The connection box 3 is internally slidably connected to two movable frames 31, and the two movable frames 31 are respectively connected to two insertion rods 34. The side surfaces of the two movable frames 31 close to each other are fixedly connected with connecting teeth 33. The connection box 3 is internally rotatably connected with a connecting gear 32, and the two connecting teeth 33 are meshed with the connecting gear 32. A second through slot 6 is provided on the connection box 3, and a connecting pull block 61 is slidably connected inside the second through slot 6. The connecting pull block 61 is fixedly connected to one movable frame 31. By pulling the connecting pull block 61 to slide downward, the insertion rod 34 at the bottom of the connection box 3 is inserted into the inside of the socket 41. Under the action of the connecting teeth 33 and the connecting gear 32, the other movable frame 31 is driven to slide upward, so that the top insertion rod 34 is inserted into the inside of the socket 41.

[0026] Please refer again Figure 1 , Figure 2 and Figure 3 A limiting mechanism for limiting the rotation of the connecting gear 32 is provided inside the connecting box 3, and the limiting mechanism includes a movable rack rod 51 hinged inside the connecting box 3, and the movable rack rod 51 is meshed with the connecting gear 32. A first through slot 5 is provided on the connecting box 3, and one end of the movable rack rod 51 extends to the outside of the connecting box 3 through the first through slot 5. A spring is installed at the bottom of the movable rack rod 51. By pressing one end of the movable rack rod 51, the movable rack rod 51 is moved away from the connecting gear 32, so that the connecting gear 32 can rotate freely. After the assembly is completed, the movable rack rod 51 is quickly approached to the connecting gear 32 and meshed with the connecting gear 32 through the rebound of the spring.

[0027] Please refer again Figure 1 and Figure 4 A movable plate 7 is slidably connected to the fixed barrier rod 2, and a movable barrier rod 8 is fixedly connected to the movable plate 7. The movable barrier rod 8 is slidably connected to the top of the fixed frame 1, and a top pipe 81 is fixedly connected to the top of the movable barrier rod 8. A threaded sleeve 9 is rotatably connected inside the fixed frame 1, and a threaded rod 91 is threadedly connected inside the threaded sleeve 9. The top of the threaded rod 91 is fixedly connected to the bottom of the movable plate 7. The threaded sleeve 9 is rotated to extend the threaded rod 91 outward, thereby pushing the movable plate 7 to slide on the fixed barrier rod 2, thereby raising the movable barrier rod 8, and adjusting the overall height of the guardrail according to on-site usage requirements.

[0028] Please refer again Figure 1 and Figure 4 The top pipe 81 is hollow, and a plurality of sprinkler heads 82 are installed on the top pipe 81. A connecting hose 83 is installed at one end of the top pipe 81. The connecting hose 83 is connected to an external water supply device, and water is filled into the top pipe 81 through the connecting hose 83, and then sprayed out through the sprinkler head 82 to spray and reduce dust around the guardrail.

[0029] Working principle: Move multiple devices to the installation site, combine the connection box 3 of one fixed frame 1 with the connection seat 4 of another fixed frame 1, press one end of the movable rack rod 51 to make the movable rack rod 51 away from the connection gear 32, so that the connection gear 32 can rotate freely, control the movable frame 31 inside the connection box 3 to slide downward through the connection pull block 61, so that the lower plug rod 34 is inserted into the inside of the socket 41, and under the action of the connection gear 32 and the connection teeth 33, drive another movable frame 31 to slide upward, so that the top plug rod 34 is inserted into the inside of the socket 41 After completing the combined connection between the two fixed frames 1, the movable rack rod 51 is loosened and driven to rotate and mesh with the connecting gear 32 under the action of the spring to limit the rotation of the connecting gear 32, and the threaded sleeve 9 is rotated to extend the threaded rod 91 outward to push the movable plate 7 to slide on the fixed baffle rod 2, so that the movable baffle rod 8 is raised to adjust the overall height of the guardrail according to the on-site use requirements, connect the connecting hose 83 with the external water supply equipment, fill the inside of the top pipe 81 with water through the connecting hose 83, and then spray it out through the sprinkler head 82 to spray dust around the guardrail.

[0030] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A construction guardrail for civil engineering that is easy to disassemble, comprising a fixing frame (1), characterized in that: A fixed stop rod (2) is fixedly connected inside the fixed frame (1), and a connection box (3) and a connection seat (4) are fixedly connected at both ends of the fixed frame (1), and an insertion hole (41) is provided on the inner top wall and the inner bottom wall of the connection seat (4). Both ends of the connection box (3) are slidably connected to the insertion rod (34), and two movable frames (31) are slidably connected inside the connection box (3), and the two movable frames (31) are respectively connected to the two insertion rods (34), and the side surfaces of the two movable frames (31) close to each other are fixedly connected to connection teeth (33), and the connection box (3) is rotatably connected to a connection gear (32), and the two connection teeth (33) are meshed with the connection gear (32), and a limiting mechanism for limiting the rotation of the connection gear (32) is provided inside the connection box (3).

2. The easily disassembled civil engineering building guardrail according to claim 1, characterized in that: The limiting mechanism comprises a movable rack rod (51) hinged inside the connection box (3), and the movable rack rod (51) is meshed with the connection gear (32).

3. The easily disassembled civil engineering building guardrail according to claim 2, characterized in that: The connection box (3) is provided with a first through slot (5), one end of the movable rack rod (51) extends to the outside of the connection box (3) through the first through slot (5), and a spring is installed at the bottom of the movable rack rod (51).

4. The easily disassembled civil engineering building guardrail according to claim 1, characterized in that: The connection box (3) is provided with a second through slot (6), the interior of the second through slot (6) is slidably connected with a connection pull block (61), and the connection pull block (61) is fixedly connected to one of the movable frames (31).

5. The easily disassembled civil engineering building guardrail according to claim 1, characterized in that: The fixed blocking rod (2) is slidably connected to a movable plate (7), the movable plate (7) is fixedly connected to a movable blocking rod (8), the movable blocking rod (8) is slidably connected to the top of the fixed frame (1), and the top of the movable blocking rod (8) is fixedly connected to a top pipe (81).

6. The easily disassembled civil engineering building guardrail according to claim 5, characterized in that: The top pipe (81) is hollow, a plurality of spray heads (82) are installed on the top pipe (81), and a connecting hose (83) is installed at one end of the top pipe (81).

7. The easily disassembled civil engineering building guardrail according to claim 5, characterized in that: The fixed frame (1) is internally rotatably connected to a threaded sleeve (9), the threaded sleeve (9) is internally threadedly connected to a threaded rod (91), and the top of the threaded rod (91) is fixedly connected to the bottom of the movable plate (7).

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