Mechanical sleeve connection vertical ladder

By designing a mechanical sleeve to connect the straight ladder, using a storage box and a variety of rotating fixing components, the existing straight ladder's corrosion and high maintenance costs caused by welding and fixing is solved, and a higher service life and operating efficiency are achieved.

CN222797455UActive Publication Date: 2025-04-25湖北弘恩机电科技有限公司
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Patent Information

Application Number
CN202421418272.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-20
Publication Date
2025-04-25
Estimated Expiration
2034-06-20

AI Technical Summary

Technical Problem

The existing straight ladder is fixed in the metal parts embedded in the building through welding. As time goes by, the oxidation of the metal surface accelerates, causing the ladder to rust, increase safety risks, and the climbing frame plate is easy to be damaged and the maintenance cost is high.

Method used

A mechanical sleeve connecting straight ladder is designed, adopting a storage box, fixed foot pedal assembly, rotary foot pedal assembly, welding fixing assembly and socket fixing assembly. Through the combination of sleeve and threaded rod, rotation adjustment and fixing are achieved to reduce the impact of the external environment.

Benefits of technology

Through mechanical sleeve connection, the service life and operating efficiency of the straight ladder are improved, corrosion and maintenance costs are reduced, and safety is enhanced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of building facilities, in particular to a mechanical sleeve connection vertical ladder which mainly comprises a storage box, a fixed pedal assembly is arranged at the bottom end of the storage box, adjusting grooves are formed in the left wall and the right wall of the storage box, and limiting baffles are arranged at the bottom ends of the left wall and the right wall of the inner side of the storage box. The rotating pedal assembly is arranged at the bottom end of the inner side of the storage box, and a clamping fixing assembly is arranged at the top end of the rear wall of the inner side of the storage box. According to the mechanical sleeve connection vertical ladder, after a fixed pedal assembly arranged on the mechanical sleeve connection vertical ladder is damaged, an internal rotating pedal assembly can be pulled out for standby climbing, the rotating pedal assembly can be stored when not used, the influence of the external environment is reduced, the service life is prolonged, a welding fixing assembly and a sleeving fixing assembly at the rear end are rotationally adjusted, and the practicability is high. And the sleeving and fixing assembly is in butt joint and fixed with a screw reserved on the mounting equipment, rotation of the sleeving and fixing assembly is facilitated through the arrangement of the rotation adjusting assembly, and the operation efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of building facilities, in particular to a mechanical sleeve-connected straight ladder. Background Art

[0002] As an auxiliary facility, ladders are gradually being widely used in various buildings (structures), such as urban municipal wells, manholes, tunnels, chimneys, reservoirs, smelting blast furnaces and ventilation shafts of large public buildings.

[0003] Most of the existing straight ladders are directly fixed in the pre-buried metal parts of the building by welding. As time goes by, the oxidation of the metal surface accelerates and the surface of the ladder rusts, which increases the safety hazard of the equipment. Even if some of the climbing frame boards are easy to dismantle and replace, it will also increase a certain maintenance cost, which needs to be optimized and improved. Utility Model Content

[0004] The utility model aims to provide a mechanical sleeve-connected straight ladder to solve the problems raised by the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A mechanical sleeve-connected straight ladder, comprising:

[0007] A storage box, wherein a fixed pedal assembly is disposed at the bottom end of the storage box, and adjustment slots are provided inside the left and right walls of the storage box, and limit baffles are disposed at the bottom ends of the left and right walls inside the storage box;

[0008] A rotating pedal assembly is arranged at the inner bottom end of the storage box, and a clamping fixing assembly is arranged at the top end of the inner rear wall of the storage box;

[0009] A welding fixing component is arranged at the four corners of the rear wall of the storage box, the outer rear end of the welding fixing component is connected with a sleeve fixing component, a rubber ring is arranged on the front wall of the sleeve fixing component, and a rotation adjustment component is arranged outside the sleeve fixing component.

[0010] Preferably, the fixed footrest assembly includes a fixed foot pedal, and the fixed foot pedal is arranged at the bottom end of the storage box, and the top wall of the fixed foot pedal is connected to an anti-slip strip.

[0011] Preferably, the rotating pedal assembly includes a movable slider, the movable slider is slidably connected to the inner side of the adjusting groove, and the inner side of the movable slider is connected to a rotating connecting rod.

[0012] Preferably, the top end of the rotating connecting rod is connected to a rotating pedal frame, and both left and right ends of the movable sliding block are provided with limit connectors.

[0013] Preferably, the snap-fit ​​fixing assembly comprises a snap-fit ​​frame, the snap-fit ​​frame is welded to the top end of the inner rear wall of the storage box, and rubber strips are provided on both the upper and lower inner walls of the snap-fit ​​frame.

[0014] Preferably, the welding fixing assembly includes a welding frame, the welding frame is welded to the four corners of the rear end of the storage box, and the rear end of the welding frame is connected to a threaded rod.

[0015] Preferably, the sleeve fixing assembly includes a connecting sleeve, which is threadedly connected to the outer rear end of the threaded rod, and limiting rings are provided at both the front and rear ends of the outer side of the connecting sleeve, and a rotating block is provided in the middle of the outer side of the connecting sleeve.

[0016] Preferably, the rotation adjustment assembly comprises an adjustment ring, the adjustment ring is sleeved on the outside of the connecting sleeve, and the bottom end of the adjustment ring is connected to a rotation handle.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The utility model is provided with a fixed pedal assembly for fixed climbing. When damaged, the internal rotating pedal assembly can be pulled out for standby climbing use, and the rotating pedal assembly can be stored inside the storage box when not in use, thereby reducing the impact of the external environment and increasing the service life.

[0019] The welding fixing component at the rear end is rotatably adjusted with the sleeve fixing component and docked and fixed with the screw reserved on the installation equipment. The setting of the rotation adjustment component facilitates the rotation of the sleeve fixing component and improves the operation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model after being unfolded;

[0022] Figure 3 It is a partial cross-sectional three-dimensional structural schematic diagram of the utility model;

[0023] Figure 4 It is a schematic diagram of the three-dimensional structure of the welding fixing component, the sleeve fixing component and the rotation adjustment component of the utility model.

[0024] In the figure: 1. storage box; 2. fixed pedal assembly; 201. fixed pedal; 202. anti-slip strip; 3. adjustment slot; 4. limit baffle; 5. rotating pedal assembly; 501. moving slider; 502. rotating connecting rod; 503. rotating pedal frame; 504. limit connector; 6. snap-on fixing assembly; 601. snap-on frame; 602. rubber strip; 7. welding fixing assembly; 701. welding frame; 702. threaded rod; 8. sleeve fixing assembly; 801. connecting sleeve; 802. limit ring; 803. rotating block; 9. rubber ring; 10. rotating adjustment assembly; 1001. adjusting ring; 1002. rotating handle. DETAILED DESCRIPTION

[0025] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0026] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0027] Embodiment 1:

[0028] See also Figure 1-4 The utility model provides a technical solution: a mechanical sleeve-connected straight ladder, comprising:

[0029] A storage box 1, a fixed pedal assembly 2 is provided at the bottom end of the storage box 1, and adjustment slots 3 are provided inside the left and right walls of the storage box 1, and limit baffles 4 are provided at the bottom ends of the left and right walls inside the storage box 1;

[0030] A rotating pedal assembly 5 is arranged at the inner bottom end of the storage box 1, and a clamping fixing assembly 6 is arranged at the top end of the inner rear wall of the storage box 1;

[0031] Welding fixing assembly 7, welding fixing assembly 7 is arranged at four corners of the rear wall of the storage box 1, the outer rear end of the welding fixing assembly 7 is connected with a sleeve fixing assembly 8, the front wall of the sleeve fixing assembly 8 is provided with a rubber ring 9, and the outside of the sleeve fixing assembly 8 is provided with a rotation adjustment assembly 10;

[0032] A fixed foot pedal assembly 2 is provided for fixed climbing. When damaged, the internal rotating foot pedal assembly 5 can be pulled out for standby climbing use, and the rotating foot pedal assembly 5 is stored inside the storage box 1 when not in use, thereby reducing the impact of the external environment and increasing the service life. The welding fixing assembly 7 at the rear end is rotatably adjusted with the sleeve fixing assembly 8, and is docked and fixed with the screw reserved on the installation equipment. The setting of the rotating adjustment assembly 10 facilitates the rotation of the sleeve fixing assembly 8 and improves the operating efficiency.

[0033] Embodiment 2:

[0034] like Figure 1-3 As shown, a mechanical sleeve-connected straight ladder disclosed in the second embodiment of the present invention has a structure that is basically the same as that in the first embodiment, except that the fixed footrest assembly 2 includes a fixed footrest 201, and the fixed footrest 201 is arranged at the bottom end of the storage box 1, and the top wall of the fixed footrest 201 is connected with an anti-slip strip 202, and the rotating footrest assembly 5 includes a moving slider 501, and the moving slider 501 is slidably connected to the inner side of the adjustment slot 3, and the inner side of the moving slider 501 is connected with a rotating connecting rod 502, and the top end of the rotating connecting rod 502 is connected with a rotating footrest 503, and both left and right ends of the moving slider 501 are provided with limited position connectors 504;

[0035] The extension of the fixed foot pedal 201 can facilitate foot climbing after multiple storage boxes 1 are vertically installed on the equipment. The protruding anti-slip strip 202 can improve the stability of climbing. After the fixed foot pedal 201 is damaged, the rotating foot pedal frame 503 can be pulled outward, and the sliding position can be limited by the movable slider 501 inside the adjustment groove 3. Then, the rotating connecting rod 502 is connected to the rotating foot pedal frame 503 for rotation. When the rotation is horizontal, the two sides of the rotating connecting rod 502 are placed on the limit baffle 4 to limit the position and be fixed, which is convenient for users to climb.

[0036] Embodiment three:

[0037] like Figure 3 As shown, a mechanical sleeve-connected straight ladder disclosed in the third embodiment of the present invention has a structure that is basically the same as that in the second embodiment, except that the clamping and fixing assembly 6 includes a clamping frame 601, which is welded to the top of the inner rear wall of the storage box 1, and rubber strips 602 are provided on both the upper and lower inner walls of the clamping frame 601;

[0038] When not in use, the rotating pedal frame 503 will be stored inside the storage box 1 to avoid excessive contact with the external environment and increase the oxidation rate. When rotated and stored inside, the top of the rotating pedal frame 503 is rotated and clamped inside the clamping frame 601, and the rubber strip 602 inside the clamping frame 601 will squeeze and fix it.

[0039] Embodiment 4:

[0040] like Figure 1 and Figure 4 As shown, a mechanical sleeve-connected straight ladder disclosed in the third embodiment of the present invention has a structure that is basically the same as that in the third embodiment, except that the welding fixing assembly 7 includes a welding frame 701, which is welded to the four corners of the rear end of the storage box 1, and the rear end of the welding frame 701 is connected to a threaded rod 702, and the sleeve fixing assembly 8 includes a connecting sleeve 801, which is threadedly connected to the outer rear end of the threaded rod 702, and both front and rear ends of the outer side of the connecting sleeve 801 are provided with limit rings 802, and a rotating block 803 is provided in the middle of the outer side of the connecting sleeve 801, and the rotating adjustment assembly 10 includes an adjusting ring 1001, which is sleeved on the outer side of the connecting sleeve 801, and the bottom end of the adjusting ring 1001 is connected to a rotating handle 1002;

[0041] A welding frame 701 is welded to the rear end of the storage box 1, and the threaded rod 702 at the rear end of the welding frame 701 is connected to the screw of the installation equipment. A connecting sleeve 801 is sleeved on the outside of the threaded rod 702 for screwing and fixing. Then, a rubber ring 9 is used for buffering and support between the threaded rod 702 and the connecting sleeve 801 to improve the connection tightness. During the rotation and tightening process of the connecting sleeve 801, the adjusting ring 1001 moves to the outside of the rotating block 803, and the regular octagon inside the adjusting ring 1001 matches the limiting setting of the rotating block 803, so that the connecting sleeve 801 will also be driven to rotate during the rotation of the adjusting ring 1001. The setting of the rotating handle 1002 is convenient for operation.

[0042] The specific solution is as follows: a welding frame 701 is welded to the rear end of the storage box 1, and the threaded rod 702 at the rear end of the welding frame 701 is connected to the screw of the installation equipment, and a connecting sleeve 801 is sleeved on the outside of the threaded rod 702 for screwing and fixing, and then a rubber ring 9 is used for buffering and support between the threaded rod 702 and the connecting sleeve 801 to improve the connection tightness. During the rotation and tightening process of the connecting sleeve 801, the adjusting ring 1001 moves to the outside of the rotating block 803, and the regular octagon inside the adjusting ring 1001 matches the limiting setting of the rotating block 803, so that the connecting sleeve 801 will also be driven to rotate during the rotation of the adjusting ring 1001. The setting of the rotating handle 1002 is convenient for operation, and multiple vertical installations of the storage box 1 are convenient for climbing. The extension of the fixed foot pedal 201 can facilitate multiple storage After the storage box 1 is vertically installed on the equipment, people can climb by foot. The protruding anti-slip strip 202 can improve the stability of climbing. After the fixed foot pedal 201 is damaged, the rotating foot pedal frame 503 can be pulled outward, and the sliding position can be limited by the movable slider 501 inside the adjustment slot 3. Then the rotating connecting rod 502 is connected to the rotating foot pedal frame 503 for rotation. When the rotation is horizontal, the two sides of the rotating connecting rod 502 are placed on the limit baffle 4 for upper limit fixation, which is convenient for users to climb. Then the rotating foot pedal frame 503 will be stored on the inner side of the storage box 1 when not in use to avoid excessive contact with the external environment to increase the oxidation rate. When it is rotated and stored inside, the top end of the rotating foot pedal frame 503 is rotated and clamped inside the clamping frame 601, and the rubber strip 602 on the inner side of the clamping frame 601 will squeeze and fix it.

[0043] A person skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative, and that within the spirit of the present invention, the technical features of the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0044] The utility model is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.

Claims

1. A mechanical sleeve-connected straight ladder, characterized in that: include: A storage box (1), wherein a fixed pedal assembly (2) is arranged at the bottom end of the storage box (1), and adjustment grooves (3) are provided inside the left and right walls of the storage box (1), and limit baffles (4) are provided at the bottom ends of the left and right walls inside the storage box (1); A rotating pedal assembly (5) is arranged at the inner bottom end of the storage box (1), and a clamping fixing assembly (6) is arranged at the top end of the inner rear wall of the storage box (1); A welding fixing assembly (7) is arranged at the four corners of the rear wall of the storage box (1); the outer rear end of the welding fixing assembly (7) is connected to a sleeve fixing assembly (8); a rubber ring (9) is arranged on the front wall of the sleeve fixing assembly (8); and a rotation adjustment assembly (10) is arranged outside the sleeve fixing assembly (8).

2. A mechanical sleeve-connected straight ladder according to claim 1, characterized in that: The fixed foot pedal assembly (2) comprises a fixed foot pedal (201), and the fixed foot pedal (201) is arranged at the bottom end of the storage box (1), and the top wall of the fixed foot pedal (201) is connected to an anti-slip strip (202).

3. A mechanical sleeve-connected straight ladder according to claim 1, characterized in that: The rotating pedal assembly (5) comprises a movable slider (501), the movable slider (501) is slidably connected to the inner side of the adjustment slot (3), and the inner side of the movable slider (501) is connected to a rotating connecting rod (502).

4. A mechanical sleeve-connected straight ladder according to claim 3, characterized in that: The top end of the rotating connecting rod (502) is connected to a rotating pedal frame (503), and both left and right ends of the movable sliding block (501) are provided with position limiting connectors (504).

5. The mechanical sleeve-connected straight ladder according to claim 1, characterized in that: The snap-fit ​​fixing assembly (6) comprises a snap-fit ​​frame (601), the snap-fit ​​frame (601) is welded to the top end of the inner rear wall of the storage box (1), and rubber strips (602) are provided on both the upper and lower inner walls of the snap-fit ​​frame (601).

6. The mechanical sleeve-connected straight ladder according to claim 1, characterized in that: The welding fixing assembly (7) comprises a welding frame (701), the welding frame (701) is welded to the four corners of the rear end of the storage box (1), and the rear end of the welding frame (701) is connected to a threaded rod (702).

7. The mechanical sleeve-connected straight ladder according to claim 1, characterized in that: The sleeve fixing assembly (8) comprises a connecting sleeve (801), the connecting sleeve (801) being threadedly connected to the outer rear end of the threaded rod (702), and limit rings (802) are provided at both the front and rear ends of the outer side of the connecting sleeve (801), and a rotating block (803) is provided in the middle of the outer side of the connecting sleeve (801).

8. The mechanical sleeve-connected straight ladder according to claim 1, characterized in that: The rotation adjustment assembly (10) comprises an adjustment ring (1001), the adjustment ring (1001) is sleeved on the outside of the connecting sleeve (801), and the bottom end of the adjustment ring (1001) is connected to a rotation handle (1002).