Three-section lock handle with detachable structure
By designing a three-stage lock handle with a detachable structure, using zinc alloy shell and iron mid-section, the lock handle is easily disassembled and assembled by bolt connections, solving the complex problem of existing lock handle disassembly, improving the efficiency of use and maintenance convenience, and reducing costs.
Patent Information
- Application Number
- CN202422257479.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-14
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-09-14
AI Technical Summary
The existing lock handle is complicated or difficult during disassembly, which affects the efficiency of tool use and is difficult to replace the material and style.
A three-stage lock handle with a detachable structure is designed, using a zinc alloy shell, iron mid-section and mounting column. The lock handle is disassembled and assembled through bolt connections. The bolt surface treatment is used to improve corrosion resistance and wear resistance, and operate with special tools.
It realizes convenient disassembly and assembly of lock handles, reduces transportation and storage space requirements, simplifies the maintenance process, reduces production costs, and supports replacement of materials and styles.
Smart Images

Figure CN223151832U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of locks, in particular to a three-section lock handle with a detachable structure. Background Art
[0002] A lock is a device used to protect the safety of items or areas. By restricting or preventing unauthorized access, in a space-constrained environment, such as a small toolbox or a vehicle tool kit, a detachable three-section lock handle can be disassembled into multiple parts, which is convenient for storage and carrying. For people who need to frequently move or carry the lock handle, such as professional repairmen or engineers, the detachable design of this lock handle can reduce the volume and facilitate carrying.
[0003] In the prior art, during the use of some lock handles, the disassembly process is often complicated or difficult, which will significantly affect the use efficiency of the tool. Especially in scenarios where the length needs to be adjusted or disassembled, the difficult-to-disassemble design will make maintenance inconvenient. At the same time, it is also difficult for users to replace the styles and materials of each section during the use process. Therefore, in view of the above deficiencies, a three-section lock handle with a detachable structure is proposed. Summary of the Utility Model
[0004] The purpose of the utility model is to solve the deficiencies existing in the prior art, and a three-section lock handle with a detachable structure is proposed, aiming to improve the problem that some lock handles in the prior art are difficult to disassemble and easily affect the use efficiency of the tool.
[0005] To achieve the above purpose, the utility model provides the following technical solutions:
[0006] A three-section lock handle with a detachable structure, including a housing, an inner cavity is provided inside the housing, a first bolt is threadedly connected inside the inner cavity, a middle section is detachably connected to the outside of the first bolt, a second bolt is fixedly connected to the left side of the middle section, and a mounting post is detachably connected to the outside of the second bolt;
[0007] As a further description of the above technical solution:
[0008] The right side of the mounting post is in contact with the left side of the middle section, and the top of the housing is in contact with the bottom of the middle section;
[0009] As a further description of the above technical solution:
[0010] The housing is made of zinc alloy;
[0011] As a further description of the above technical solution:
[0012] The mounting post is made of iron material, and the middle section is made of iron material.
[0013] The utility model has the following beneficial effects:
[0014] In the utility model, the middle section is fixed by screwing the first bolt into the thread of the inner cavity. Secondly, the middle section of the second bolt is connected to the mounting post, realizing the installation and disassembly of the lock. Subsequently, the lock handle can be more convenient during transportation and storage, occupy less space, be easier to manage, and the internal components of the lock handle can be more easily inspected and repaired, enabling problems to be quickly discovered and solved, reducing the production cost of the lock. At the same time, it also enables users to conveniently replace the styles and materials of each section during use. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is a perspective view of a three-section lock handle with a detachable structure proposed by the utility model;
[0016] Figure 2 is a schematic structural view of the housing of a three-section lock handle with a detachable structure proposed by the utility model;
[0017] Figure 3 is a schematic structural view of the mounting post of a three-section lock handle with a detachable structure proposed by the utility model.
[0018] Legend:
[0019] 1. Housing; 2. Inner cavity; 3. First bolt; 4. Middle section; 5. Second bolt; 6. Mounting post. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0020] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts shall fall within the protection scope of the present utility model.
[0021] Refer to Figures 1 to 3, an embodiment provided by the present utility model: a three-section lock handle with a detachable structure, including a housing 1. An inner cavity 2 is provided inside the housing 1. The housing 1 is the external protection structure of the lock handle and is made of zinc alloy material. Zinc alloy has excellent mechanical properties, corrosion resistance, and wear resistance. The corrosion resistance of zinc alloy is particularly important because locks are usually exposed to various environmental conditions, including rain, sunlight, and chemicals. The strength of zinc alloy enables the housing 1 to withstand external impacts and pressures, thereby protecting the internal structure and functional components. An inner cavity 2 is provided inside the housing 1, and this cavity is the accommodation area for the internal components of the lock handle. The threaded structure inside the inner cavity 2 ensures the tight fit of the first bolt 3 with the housing 1. The design of the inner cavity 2 ensures that the first bolt 3 can be smoothly installed and disassembled while maintaining the stability of the internal components. The size and thread precision of the inner cavity 2 also need to be precisely calculated to ensure the reliability and durability of the structure. The internal thread of the inner cavity 2 is connected to the first bolt 3. The assembly method of the housing 1 adopts a threaded connection design, which not only improves the stability of the structure but also facilitates subsequent maintenance and replacement. When disassembling the housing 1, only need to rotate and remove the first bolt 3, and then the entire lock handle can be disassembled, thus simplifying the repair process, especially when the lock needs to be regularly inspected or repaired. The main function of the first bolt 3 is to connect the housing 1 and the middle section 4. It is tightly fitted with the inside of the inner cavity 2 through threads, ensuring the stability of each part of the lock handle. The outside of the first bolt 3 is detachably connected to the middle section 4, and the outside of the first bolt 3 cooperates with the inner hole of the middle section 4 for disassembly and assembly. The design of the first bolt 3 needs to take into account both strength and durability to adapt to various operating conditions. The first bolt 3 is generally made of high-strength steel or alloy materials to ensure its strength and durability during long-term use. The surface of the bolt is usually treated to improve its corrosion resistance and wear resistance. For example, nickel plating or zinc plating on the surface can effectively prevent rust. The threaded part of the first bolt 3 needs to be precisely machined to ensure its fitting precision with the inner cavity 2. Special tools, such as screwdrivers or wrenches, are required for the installation and disassembly of the first bolt 3. Its thread design enables the rotation action to effectively complete the installation or disassembly process. The structural design of the first bolt 3 also needs to consider the loads and operating forces in actual use to prevent failures under high-intensity use conditions.
[0022] Refer to Figures 1 to 3, on the left side of the middle section 4, there is a fixed connection with bolt two 5. The middle section 4, as the middle part of the lock handle, is responsible for connecting bolt one 3 and bolt two 5. The middle section 4 ensures its stability and load-bearing capacity in the lock handle structure. It is connected to the mounting post 6 through threads on the left side and is connected to bolt one 3 on the right side. The design of the middle section 4 also needs to consider the docking accuracy of internal and external components to ensure the tightness of the entire lock handle. The middle section 4 is made of iron material, which has high strength and rigidity. The iron material can provide sufficient mechanical strength after being processed and has good compressive properties. During the processing, the middle section 4 may undergo heat treatment or surface treatment to improve its corrosion resistance and wear resistance. The installation method of the middle section 4 needs to match the structural design of bolt one 3 and bolt two 5. During the assembly process, precise docking of the middle section 4 is required to ensure a firm connection with bolt one 3. The design of the middle section 4 also includes an adjustment function. For example, by adjusting the tightening degree of the bolt, the operating sensitivity of the lock handle can be changed or the working state of the lock can be adjusted. The outside of bolt two 5 is detachably connected to the mounting post 6. Bolt two 5 is located on the left side of the middle section 4 and is fixedly connected to the left side of the mounting post 6 through threads. The main function of bolt two 5 is to provide an additional fixed point to connect the middle section 4 and the mounting post 6. The design of bolt two 5 needs to ensure the firmness of its connection and be able to withstand the pressure and stress during the operation process. The material of bolt two 5 usually adopts high-strength steel or alloy material similar to bolt one 3 to ensure its durability and strength. The surface treatment of bolt two 5 can include nickel plating, zinc plating or coating to improve its corrosion resistance and wear resistance. The installation and disassembly of bolt two 5 require special tools for operation. In practical applications, bolt two 5 is subject to high-intensity usage conditions. Therefore, during the installation process, it is necessary to ensure its firm connection with the mounting post 6 to avoid loosening or falling off during use. The mounting post 6 is one of the main operating components of the lock handle. Its function is to be threadedly connected with bolt two 5 to form the final structure of the lock handle. The mounting post 6 usually cooperates with other lock components to meet the functional requirements of the lock. Its design needs to ensure stability and reliability during use. The mounting post 6 is made of iron material and has excellent mechanical strength and stability. The iron material can withstand a large operating load after being processed and has good wear resistance. The connection method of the mounting post 6 matches the fixed structure of bolt two 5. During the assembly process, the mounting post 6 needs to ensure a firm connection with bolt two 5 to avoid any looseness. The mounting post 6 is designed to be hollow inside. The main purpose is to reduce weight and at the same time meet the strength requirements.
[0023] Refer to Figures 1 to 3, the right side of the mounting post 6 is in contact with the left side of the middle section 4, and the top of the housing 1 is in contact with the bottom of the middle section 4. The housing 1 is made of zinc alloy. Using zinc alloy material for the housing 1, this material has excellent corrosion resistance and strength, and can effectively protect the internal components from the external environment. The middle section 4 uses iron material, and these materials provide the necessary rigidity and strength to ensure the stability of the structure. The contact surface between the two is precisely machined to ensure a smooth and seamless docking between them. The processing process of the zinc alloy housing 1 includes casting, machining and surface treatment to achieve the expected mechanical properties and surface finish. The mounting post 6 is made of iron material, and the middle section 4 is made of iron material.
[0024] Working principle: When assembly is required, first screw the first bolt 3 into the thread of the inner cavity 2 to fix the middle section 4. Secondly, connect the middle section 4 to the mounting post 6 through the second bolt 5 to ensure the stability of the lock handle, thus achieving the assembly of the lock. When disassembly is required, first remove the middle section 4 from the mounting post 6 by removing the second bolt 5. Then, remove the first bolt 3 to remove the middle section 4 from the inner cavity 2. Finally, the housing 1 can be separated from other components, realizing the installation and disassembly of the lock. Subsequently, it can make the lock handle more convenient during transportation and storage, occupy less space, and be easier to manage. It can also make the internal components of the lock handle easier to inspect and repair, quickly discover and solve problems, and reduce the production cost of the lock.
[0025] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.
Claims
1. A three-section lock handle with a detachable structure, comprising a housing (1), characterized in that: An inner cavity (2) is provided inside the housing (1). A first bolt (3) is threadedly connected inside the inner cavity (2). A middle section (4) is detachably connected to the outside of the first bolt (3). A second bolt (5) is fixedly connected to the left side of the middle section (4). An installation column (6) is detachably connected to the outside of the second bolt (5).
2. The three-section lock handle with a detachable structure according to claim 1, characterized in that: The right side of the installation column (6) is in contact with the left side of the middle section (4), and the top of the housing (1) is in contact with the bottom of the middle section (4).
3. The three-section lock handle with a detachable structure according to claim 1, characterized in that: The housing (1) is made of zinc alloy material.
4. The three-piece lock handle with a detachable structure according to claim 1, wherein: The installation column (6) is made of iron material, and the middle section (4) is made of iron material.