Replaceable ladder hook and ladder
By designing a detachable ladder hook, the problem of hooks and ladders in the prior art is solved, and a wider range of use and convenient operation is achieved, which is suitable for use in a variety of scenarios.
Patent Information
- Application Number
- CN202421365749.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-14
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-06-14
AI Technical Summary
There are existing ladders with hooks, whose hooks are integrated with the ladder and cannot be removed and replaced, resulting in limited use range, affecting stability, and inconvenient packaging and transportation.
A replaceable ladder hook is designed, including a hook body and a connecting portion for connecting to the ladder. The hook body is removably connected to the ladder through a connecting portion. The connecting portion includes a connecting member and a transition joint, and the connecting member is movably connected to the transition joint, allowing the hook body to rotate about the end point of the transition joint.
It realizes the removable replacement of ladder hooks, which are applicable to a wide range of places, which are convenient for storage and transportation. The angle of the hook can be adjusted according to needs, increase the scope of ladder usage, and improve the convenience of operation.
Smart Images
Figure CN222649919U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of ladder accessories, and more specifically relates to a replaceable ladder hook and a ladder. Background Art
[0002] Ladders have a wide range of uses and are widely used in various fields of production and life. Ladders can be used to climb up to a high place against a wall to retrieve objects or perform other high-altitude operations. Ladders with hooks are more commonly used by rescue workers or installation workers because conventional ladders cannot be placed on a flat support surface for stable operations. Therefore, hooks are set on the ladder head to hook the high support surface to prevent the ladder from tipping over, making it easier for people to climb.
[0003] However, the existing ladders with hooks are integrated with the ladder and cannot be disassembled and replaced, and the hook form and azimuth cannot be changed, which results in a limited range of use of the ladder. If the hook is used for operations such as leaning against a wall, it will affect the stability of the ladder in contact with the wall, and it will also cause inconvenience in the packaging and transportation of the ladder. Utility Model Content
[0004] The utility model aims at solving the technical problems existing in the prior art and provides a replaceable ladder hook and a ladder.
[0005] In order to solve the above technical problems, the utility model first provides a replaceable ladder hook, including a hook body and a connecting part for connecting to the ladder, the hook body is detachably connected to the ladder through the connecting part, the connecting part includes a connecting piece and a transition joint, the connecting piece is movably connected to the transition joint, the first end of the connecting piece is connected to the hook body and moves synchronously, the second end of the connecting piece is rotatably connected to the transition joint, and the second end of the connecting piece can rotate around the end point of the transition joint.
[0006] Preferably, at least one hook body is connected to the connecting portion, the hook body comprises a curved hook-shaped segment and a fixing segment connected to the hook-shaped segment, and the hook body is fixedly connected to the connecting piece via the fixing segment.
[0007] Preferably, a hook body is connected to the connecting member, the lower end of the hook body is fixedly connected to the upper end of the connecting member via a fixing section, and the lower end of the connecting member is rotatably connected to the transition joint.
[0008] Preferably, two hook bodies are connected to the connecting member, the lower ends of the two hook bodies are fixedly connected to the upper part of the connecting member, and the two hook bodies are connected to each other via a fixing member arranged on the hook-shaped section.
[0009] Preferably, the hook sections of the two hook bodies are arranged at an angle, and the two hook sections are arranged in a V-shaped opening transversely; the fixing sections of the two hook bodies are fitted and connected.
[0010] Preferably, the lower end of the connector is a sandwich plate structure, the upper end of the transition joint is inserted into the sandwich plate gap at the lower end of the connector, and the lower end of the connector is rotatably connected to the upper end of the transition joint.
[0011] Preferably, a circumferential limiting structure is provided on the transition joint, and the rotation angle of the connecting member is limited by the circumferential limiting structure, and the rotation range of the connecting member is 0-180°.
[0012] Preferably, the transition joint includes a ladder section connecting end and a hinged end, the hinged end of the transition joint is hingedly connected to the lower end of the connecting piece, and the ladder section connecting end of the transition joint is connected to the ladder body of the ladder.
[0013] Preferably, the connecting piece and the hook body are an integral structure or a split fixed connection structure.
[0014] The utility model also provides a ladder, comprising a ladder body and a replaceable ladder hook, wherein the ladder hook is arranged on the ladder body and the ladder hook is detachably connected to the ladder body through a transition joint.
[0015] Compared with the prior art, the utility model has the following beneficial effects:
[0016] The utility model has a simple structure, and the ladder hook and the ladder are set in a split manner. The ladder hook can be separated from the ladder for disassembly and replacement, and can be applied to a wide range of places. At the same time, the detachable structure design also facilitates the storage and transportation of the ladder. In addition, the hook body of the utility model moves synchronously with the connecting piece, and the end of the connecting piece is rotatably connected to the transition joint, so that the connecting piece can drive the hook body to rotate around the end point of the transition joint, and the angle of the hook body can be adjusted at any time according to the use requirements, and then the appropriate position of the ladder hook can be adjusted, further increasing the use range of the ladder and facilitating the operator to perform climbing operations. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0018] Figure 1 This is a schematic diagram of the connection structure between the ladder hook and the ladder of the utility model;
[0019] Figure 2 This is a schematic diagram of the structure of the ladder hook of the utility model;
[0020] Figure 3 This is a schematic diagram of the overall structure of the connection of the single hook type ladder hook of the utility model;
[0021] Figure 4 It is a structural schematic diagram of the hook connection part of the single hook type ladder of the utility model;
[0022] Figure 5 This is a schematic diagram of the overall connection structure of the double-hook ladder hook of the utility model;
[0023] Figure 6 It is a structural schematic diagram of the hook connection part of the double hook type ladder of the utility model;
[0024] Figure 7 It is a structural schematic diagram of the double-hook ladder hook body of the utility model;
[0025] Figure 8 It is a structural schematic diagram of a double-hook ladder hook fixing member of the utility model;
[0026] Fig. 9 It is a structural schematic diagram of the transition joint of the utility model;
[0027] Fig.10 It is a structural schematic diagram of the ladder section main pipe of the utility model.
[0028] Explanation of symbols in the figure:
[0029] 1. Hook body; 11. Hook section; 111. Hook section a; 112. Hook section b; 12. Fixed section; 121. Fixed section a; 122. Fixed section b; 13. Fixing piece; 131. Welding end; 2. Connecting piece; 21. Connecting piece a; 22. Connecting piece b; 3. Transition joint; 31. Ladder section connecting end; 32. Articulated end; 4. Ladder body; 41. Ladder section main pipe; 5. Articulated shaft; 6. Horizontal pedal. DETAILED DESCRIPTION
[0030] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the following is a further detailed description of a replaceable ladder hook and a ladder provided by the present application in combination with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.
[0031] See also Figure 1 The utility model first provides a replaceable ladder hook, including a hook body 1 and a connecting part for connecting with a ladder, the hook body 1 is detachably connected to the ladder through the connecting part, the connecting part includes a connecting piece 2 and a transition joint 3, the connecting piece 2 is movably connected to the transition joint 3, the first end of the connecting piece 2 is connected to the hook body 1 and moves synchronously, the second end of the connecting piece 2 is rotatably connected to the transition joint 3, and the second end of the connecting piece 2 can rotate around the end point of the transition joint 3.
[0032] The utility model has a simple structure, and the ladder hook and the ladder are set in a split manner. The ladder hook can be separated from the ladder for disassembly and replacement, and can be applied to a wide range of places. At the same time, the detachable structure design also facilitates the storage and transportation of the ladder. In addition, the hook body 1 of the utility model and the connecting member 2 act synchronously, and the end of the connecting member 2 is rotatably connected to the transition joint 3, so that the connecting member 2 can drive the hook body 1 to rotate around the end point of the transition joint 3, and the angle of the hook body 1 can be adjusted at any time according to the use requirements, and then the appropriate position of the ladder hook can be adjusted, so as to further increase the use range of the ladder and facilitate the operator to perform the climbing operation.
[0033] In this embodiment, Figure 2 As shown, the hook body 1 includes a bent hook segment 11 and a fixing segment 12 connected to the hook segment 11 , and the hook body 1 is fixedly connected to the connecting member 2 via the fixing segment 12 .
[0034] Specifically, the hook segment 11 is arranged at the upper part, and the fixed segment 12 is arranged at the lower part. The lower end of the hook segment 11 and the upper end of the fixed segment 12 are smoothly connected as an integral structure, and together they constitute the hook body 1. The hook segment 11 is a semi-open curved hook structure, and the hook segment 11 opens downward. The open structure can make the hook firmly hooked on the support, ensuring the safety of the operator's operation. Moreover, the hook segment 11 adopts a hollow structure, and the whole is a hollow plate-like structure with a certain thickness, which can not only save materials and costs, but also improve the mechanical properties of the hook, and reduce the deadweight of the structure while ensuring the use function.
[0035] Furthermore, in this embodiment, the specific structural form of the hollow structure of the hook-shaped segment 11 can be designed and adjusted according to the needs, and the adaptability of the structure can be adjusted according to the strength requirements of the actual use site.
[0036] Furthermore, the lower end fixing section 12 of the hook body 1 is detachably connected to the ladder through a connecting part, so that the hook can be disassembled and replaced. The split structural design is not only convenient to carry and transport, but also can replace different ladder hooks according to changes in the ladder usage scenario. Disassembly is simple and replacement is convenient.
[0037] Furthermore, as a preferred embodiment of the present invention, the hook-shaped segment 11 can be configured as an integrally formed or segmented assembly structure according to usage requirements, thereby being adaptable to usage requirements in different work scenarios.
[0038] Specifically, Figure 2 As shown, in this embodiment, the hook body 1 and the connecting member 2 are an integrally formed structure, so that the fixing section 12 of the hook body 1 and the connecting member 2 connected to the lower end are an integral structure, which is not only convenient for processing but also stable in use.
[0039] Furthermore, as a preferred embodiment of the present invention, the connector 2 and the fixing section 12 of the hook body 1 can be configured as an integral structure or a split fixed connection structure according to the actual design requirements of the ladder.
[0040] The hook body 1 of the utility model can adopt a single hook type or a double hook type structure, as follows.
[0041] Embodiment 1
[0042] In this embodiment, the ladder hook is a single hook structure. Figure 3 , Figure 4 As shown, a hook body 1 is connected to the connecting member a21, and the hook body 1 includes a hook-shaped segment a111 and a fixed segment a121. The lower end of the hook body 1 and the upper end of the connecting member a21 are an integrally processed structure, so that the hook body 1 and the connecting member a21 are connected as a whole, the connection structure is more stable, and the hook body 1 and the connecting member a21 achieve synchronous action.
[0043] Specifically, the lower end of the connector a21 is a sandwich plate structure with a hollow middle part. The sandwich plate structure is a double-sided panel structure with an intermediate groove. A gap is provided between the double-sided panels. The size of the gap is adapted to the size of the upper end of the transition joint 3. The upper end of the transition joint 3 is inserted into the sandwich plate gap at the lower end of the connector a21.
[0044] In this embodiment, the lower end of the connecting member a21 is rotatably connected to the upper end of the transition joint 3. The connecting member a21 can rotate around the upper end of the transition joint 3 as a rotating axis, and then can synchronously drive the hook body 1 at the upper end to rotate, so that the angle of the hook can be adjusted at any time according to usage requirements, and the appropriate position of the hook can be adjusted. It is not only convenient to use and makes the ladder hook stable, but also increases the scope of use of the ladder.
[0045] Furthermore, in the present embodiment, after the upper end of the transition joint 3 is inserted into the lower part of the connector a21, the lower end of the connector a21 is then hingedly connected to the upper end of the transition joint 3 via the hinge shaft 5. The connector a21 can rotate up and down around the upper end of the transition joint 3 as the axis. The rotation angle of the connector a21 and the hook body 1 is 0-180°, thereby realizing the use requirements of the ladder hook with a larger rotation orientation.
[0046] Furthermore, in this embodiment, the hook body 1 adopts a thickened and thickened structure to ensure structural strength and stability in use.
[0047] Embodiment 2
[0048] In this embodiment, the ladder hook is a double hook structure. Figure 5 , Figure 6As shown, there are two hook bodies 1 connected to the connecting member b22, and the hook body 1 includes a hook-shaped section b112 and a fixed section b122. The lower end of the hook body 1 and the upper end of the connecting member b22 are an integrally processed structure, so that the hook body 1 and the connecting member b22 are connected as a whole, the connection structure is more stable, and the hook body 1 and the connecting member b22 achieve synchronous action.
[0049] Specifically, the connector 2 is a connecting plate structure arranged at the lower end of the hook body 1. The connectors at the lower ends of the two hook bodies 1 together form a connector b22 with a hollow sandwich plate structure in the middle. The connectors at the lower ends of the two hook bodies 1 are arranged in parallel with each other, and a gap is arranged between the connecting plates. The size of the gap matches the size of the upper end of the transition joint 3. The upper end of the transition joint 3 is inserted into the sandwich plate gap at the lower end of the connector b22. The two hook bodies 1 are arranged adjacently at the upper end of the connector b22, so that the adjacent settings cooperate to achieve stable hooking of the support body and ensure the use effect of the ladder hook.
[0050] In this embodiment, Figure 7 As shown, the hook sections b112 of the two hook bodies 1 are arranged in a V-shaped opening laterally, and the two hook bodies 1 are symmetrically arranged on both sides of the center of the upper end of the connecting piece b22 in the axial direction; and the inner sides of the fixing sections b122 of the two hook bodies 1 are fitted and connected to avoid position displacement.
[0051] Furthermore, the hook-shaped sections b112 of the two hook bodies 1 are arranged at an angle of 60°, so that the force on the hook is more uniform when it is used, avoiding local damage.
[0052] In this embodiment, the lower end of the connecting member b22 is rotatably connected to the upper end of the transition joint 3. The connecting member b22 can rotate around the upper end of the transition joint 3 as the rotating axis, and then can synchronously drive the hook body 1 at the upper end to rotate, so that the angle of the hook can be adjusted at any time according to the use requirements, and the appropriate position of the hook can be adjusted. It is not only convenient to use and makes the ladder hook stable, but also increases the use range of the ladder.
[0053] Furthermore, in the present embodiment, after the upper end of the transition joint 3 is inserted into the lower part of the connecting piece b22, the lower end of the connecting piece b22 is then hingedly connected to the upper end of the transition joint 3 through the hinge shaft 5, and the connecting piece b22 can rotate up and down around the upper end of the transition joint 3 as the rotating axis. The rotation angle of the connecting piece b22 and the hook body 1 is 0-180°, thereby realizing the use requirements of the ladder hook with a larger rotation orientation.
[0054] In this embodiment, Figure 8As shown, the hook segments b112 of the two hook bodies 1 are interconnected by a fixing member 13. The fixing member 13 is horizontally arranged, and the two ends of the fixing member 13 are respectively fixedly connected to the sides of the hook segments b112 of the two hook bodies 1. The two hook bodies 1 are fixedly connected by the fixing member 13 to prevent position displacement during use, thereby increasing stability and safety of use.
[0055] Furthermore, the fixing part 13 is a hollow flat rectangular metal sheet structure, and the fixing part 13 is made of aluminum alloy. The fixing part 13 is welded and fixed to the upper end of the hook body 1, and the two ends of the fixing part 13 are welding ends 131, thereby realizing the supporting connection of the hook-shaped sections b112 of the two hook bodies 1.
[0056] Furthermore, in the present embodiment, the number of hook bodies 1 can be adjusted according to actual usage requirements, and different structures of connectors 2 can be selected as needed to connect different numbers of hook bodies 1. The hook body 1 can adopt a fixed connection method that is compatible with the upper end of the connector 2, thereby achieving a stable connection between the ladder hook and the end of the ladder.
[0057] Furthermore, in the present invention, the transition joint 3 is a "convex" structure as a whole, and the lower step side of the transition joint 3 is a circumferential limiting structure of the connector. The rotation angle of the connector 2 is limited by the circumferential limiting structure, which can avoid transitional rotation.
[0058] Specifically, Fig. 9 As shown, the transition joint 3 includes a ladder section connection end 31 and a hinged end 32. The ladder section connection end 31 is arranged at the lower end, and the ladder section connection end 31 is a hollow circular tube structure. The transition joint 3 is detachably connected to the ladder body 4 of the ladder through the ladder section connection end 31; the hinged end 32 is vertically arranged at the upper end of the ladder section connection end 31, and the hinged end 32 is a semicircular mounting plate structure with a through hole in the middle. The transition joint 3 is hingedly connected to the lower end of the connecting member a21 or the connecting member b22 through the hinged end 32 and the hinge shaft 5 to realize the free rotation of the hook body 1.
[0059] Furthermore, the utility model also provides a ladder, such as Figure 1 , Fig.10 As shown, the ladder includes a ladder body 4 and a ladder hook. The ladder hook is arranged at the upper end of the ladder body 1. The ladder body 4 includes a ladder section main pipe 41. The ladder hook is detachably connected to the ladder section main pipe 41 through the lower end of the transition joint 3.
[0060] Specifically, the lower end of the transition joint 3 is plugged and connected to the upper end of the ladder section main pipe 41 through the hinged end 32, and the transition joint 3 is stably connected to the ladder section main pipe 41 through the connection method of the latch + bolt. The utility model not only facilitates the application of the ladder in various places and has stable installation, but also facilitates disassembly and storage and transportation of the ladder through the detachable connected ladder body 4 and the hook setting method.
[0061] Furthermore, in the utility model, a transversely arranged transverse pedal 8 is connected to the ladder section main pipe 41, and the lower end of the transition joint 3 is a hollow circular tube structure, which is convenient for plugging and connecting the transition joint 3 with the ladder body 4, and then convenient for connection and fixing by pins + bolts.
[0062] The utility model provides a replaceable ladder hook and a ladder, wherein the upper end of the ladder section main pipe 41 of the ladder body 4 is detachably connected to the transition joint 3 by means of plug-in connection, and is connected and locked by means of a latch and a bolt. When the latch and the bolt are pulled out, the ladder body 4 and the hook can be disassembled and separated. When the ladder is used for line maintenance, etc., the ladder body 4 is connected and fixed to the hook, and then the hook body 1 is hooked to a support, and the horizontal pedal 6 of the ladder is inserted into the ladder vertical rod, so that the user can perform climbing operations conveniently, and the hook body 1 is rotated around the transition joint 3 through the connecting piece 2, and the angle of the hook can be adjusted at any time by the rotating connection method, so as to hook a more suitable position.
[0063] The utility model has a simple structure, and the ladder hook and the ladder body 4 are set in a split manner. The ladder hook can be separated from the ladder for disassembly and replacement. At the same time, the detachable structure design is also convenient for the ladder to be stored and transported. It can be used in a wide range of places. The ladder with a hook is not limited to the land environment. It can also be used for climbing on equipment such as ships operating at sea. It is safe and stable to use. In addition, the hook body 1 of the utility model is integrally set with the connecting member 2 and moves synchronously. The lower end of the connecting member 2 is rotatably connected with the transition joint 3, so that the connecting member 2 can drive the hook body 1 to rotate around the end point of the transition joint 3. The angle of the hook body 1 can be adjusted at any time according to the use requirements, and then the appropriate position of the ladder hook can be adjusted, further increasing the use range of the ladder and facilitating the operator to perform climbing operations.
[0064] In the description of the present invention, it should be understood that terms such as "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.
[0065] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.
[0066] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims
1. A replaceable ladder hook, comprising a hook body and a connecting portion for connecting to a ladder, characterized in that: The hook body is detachably connected to the ladder via the connecting portion, the connecting portion includes a connecting piece and a transition joint, the connecting piece is movably connected to the transition joint, the first end of the connecting piece is connected to the hook body and moves synchronously, the second end of the connecting piece is rotatably connected to the transition joint, and the second end of the connecting piece can rotate around the end point of the transition joint.
2. A replaceable ladder hook according to claim 1, characterized in that: At least one hook body is connected to the connecting portion, and the hook body comprises a bent hook-shaped segment and a fixing segment connected to the hook-shaped segment, and the hook body is fixedly connected to the connecting member via the fixing segment.
3. A replaceable ladder hook according to claim 2, characterized in that: A hook body is connected to the connecting member, the lower end of the hook body is fixedly connected to the upper end of the connecting member through the fixing section, and the lower end of the connecting member is rotatably connected to the transition joint.
4. A replaceable ladder hook according to claim 2, characterized in that: The connecting member is connected to two hook bodies, the lower ends of the two hook bodies are fixedly connected to the upper part of the connecting member, and the two hook bodies are connected to each other through a fixing member arranged on the hook-shaped section.
5. A replaceable ladder hook according to claim 4, characterized in that: The hook sections of the two hook bodies are arranged at an angle, and the two hook sections are arranged in a V-shaped opening transversely; the fixing sections of the two hook bodies are fitted and connected.
6. A replaceable ladder hook according to claim 2, characterized in that: The lower end of the connector is a sandwich plate structure, the upper end of the transition joint is inserted into the sandwich plate gap at the lower end of the connector, and the lower end of the connector is rotatably connected to the upper end of the transition joint.
7. A replaceable ladder hook according to claim 1, characterized in that: The transition joint is provided with a circumferential limiting structure, and the rotation angle of the connecting member is limited by the circumferential limiting structure. The rotation range of the connecting member is 0-180°.
8. A replaceable ladder hook according to any one of claims 1 to 7, characterized in that: The transition joint comprises a ladder section connecting end and a hinged end. The hinged end of the transition joint is hingedly connected to the lower end of the connecting piece, and the ladder section connecting end of the transition joint is connected to the ladder body of the ladder.
9. A replaceable ladder hook according to any one of claims 1 to 7, characterized in that: The connecting piece and the hook body are an integral structure or a split fixed connection structure.
10. A ladder, comprising a ladder body, characterized in that: It also includes a replaceable ladder hook as described in any one of claims 1 to 9, wherein the ladder hook is arranged on the ladder body, and the ladder hook is detachably connected to the ladder body through the transition joint.