Wrench capable of being disassembled quickly
By designing a quick removal wrench that utilizes extended grips and spring fixing pins, the problem of existing wrenches requiring additional parts preparation when elongating the handle is solved, achieving extension and fixation of no additional parts, reducing costs and labor requirements.
Patent Information
- Application Number
- CN202421816664.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-30
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-07-30
AI Technical Summary
Existing wrenches need to prepare additional parts such as metal pipes when they need to extend the handle, which is inconvenient to use and increases labor and cost.
A quick disassembly wrench is designed to achieve the extension and lengthening of the handle in the extension support by sliding the extended grip, and fix the fixing pin on the fixing hole using the spring force to achieve automatic fixing of the handle.
Extension and fixation of the wrench handles can be achieved without additional parts preparation, reducing the cost of use, improving the practicality of the wrench and reducing the need for manual assistance.
Smart Images
Figure CN222843986U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of disassembly wrenches, in particular to a quick disassembly wrench. Background Art
[0002] A wrench is a commonly used installation and disassembly tool. It is a hand tool that uses the principle of leverage to twist bolts, screws, nuts and other threaded fasteners that tighten the openings or holes of bolts or nuts. Wrenches are usually made of structural steel made of carbon or alloy materials. Existing wrenches basically meet daily needs, but there are still certain shortcomings; existing disassembly wrenches require lengthened handles, which are often completed by sleeve connection with metal pipes, which requires additional preparation, increases costs, and reduces the practicality of the wrench; existing disassembly wrenches cannot be fixed after being extended through metal pipes, and manual assistance is required when using tools such as hammers to remove tight or large accessories, which is inconvenient to use and increases labor costs. Therefore, it is very necessary to design a quick disassembly wrench. Utility Model Content
[0003] The utility model aims to provide a quick disassembly wrench, so as to solve the defects of the existing wrench that the handle needs to be lengthened and extra preparation is required, the use is inconvenient and the labor cost is high.
[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a quick-release wrench, comprising a wrench body and an extension assembly, the bottom of the wrench body is connected to an extension support in the extension assembly, a support block is slidably connected in a slot hole provided in the extension support, one end of the support block is connected to a slide rod, a fixing groove is provided on the slide rod, a positioning rod is connected to the inner bottom end of the fixing groove, one end of the positioning rod is connected to a fixing pin, the fixing pin is slidably connected to the inner wall of the fixing groove, one end of the slide rod is connected to a bottom block, an extension handle is connected to the bottom block, and the extension handle is slidably connected to the extension support.
[0005] As a further technical solution of the utility model, a disassembly clamp is provided on the wrench body, and a hanging hole is opened on the wrench body.
[0006] As a further technical solution of the utility model, the extension component is composed of an extension support, a support block, a sliding rod, a fixing groove, a positioning rod, a fixing pin, a spring, a bottom block, an extension handle, a stopper and a fixing hole. The inner bottom end of the fixing groove is connected to a spring, the spring is sleeved on the positioning rod, and one end of the spring is connected to the bottom of the fixing pin.
[0007] As a further technical solution of the utility model, one end of the extension support is connected to a stopper, the stopper is sleeved on the slide rod, a fixing hole is opened on the extension support, and a fixing pin is sleeved on the fixing hole.
[0008] As a further technical solution of the utility model, a protective gasket is provided at one end of the extended handle.
[0009] As a further technical solution of the utility model, a screw is sleeved in the through hole of the bottom block, and the screw is connected in cooperation with a threaded hole of one end of the slide rod, and the bottom block and the slide rod are connected to each other by the screw.
[0010] As a further technical solution of the utility model, one side of the bottom block is connected to a ring-shaped member, and a soft protection is connected to the ring-shaped member.
[0011] The utility model provides a quick-disassembly wrench, which has the advantages that: the sliding rod is pulled out by using the extended handle, so that the sliding rod slides in the extended support, and the extension and lengthening of the wrench handle is completed, and there is no need to prepare additional parts such as metal pipes, thereby reducing the use cost and effectively improving the practicality of the wrench; the elastic force of the spring is used to make the fixing pin sleeved on the fixing hole, and when in use, the fixing pin is pressed and the extended handle is pulled at the same time to compress the positioning rod and the spring, and at the same time the fixing pin is slid on the inner wall of the extended support, and when reaching the next fixing hole, the elastic force of the spring is released, so that the fixing pin is sleeved in the fixing hole, and at this time the wrench handle is extended and fixed, and no manual assistance is required during use, and the use is convenient and quick, thereby reducing labor costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, 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 some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0013] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;
[0014] Figure 2 This is a schematic diagram of the position structure of the screws in the utility model;
[0015] Figure 3 It is a partial structural cross-sectional view of the utility model;
[0016] Figure 4 for Figure 3 Schematic diagram of the structure of area A in the middle.
[0017] In the figure: 1. wrench body; 2. disassembly chuck; 3. hanging hole; 5. extension assembly; 7. protective gasket; 8. ring; 9. soft protection; 10. screw; 51. extension support; 52. support block; 53. slide rod; 54. fixing groove; 55. positioning rod; 56. fixing pin; 57. spring; 58. bottom block; 59. extension handle; 60. stop block; 61. fixing hole. DETAILED DESCRIPTION
[0018] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0019] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be connection, detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediate medium, or it can be internal communication between two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0020] Please see attached Figure 1 -Attached Figure 4The utility model provides an embodiment of a quick-disassembly wrench, comprising a wrench body 1 and an extension assembly 5, wherein an extension support 51 in the extension assembly 5 is connected to the bottom of the wrench body 1, a support block 52 is slidably connected in the slot hole provided in the extension support 51, a slide bar 53 is connected to one end of the support block 52, a fixing slot 54 is provided on the slide bar 53, a positioning rod 55 is connected to the inner bottom end of the fixing slot 54, a fixing pin 56 is connected to one end of the positioning rod 55, and the fixing pin 56 is slidably connected to the inner wall of the fixing slot 54, a bottom block 58 is connected to one end of the slide bar 53, an extension handle 59 is connected to the bottom block 58, and the extension handle 59 is slidably connected to the extension support 51, a disassembly chuck 2 is provided on the wrench body 1, and a hanging hole 3 is provided on the wrench body 1, and the extension assembly 5 consists of an extension support 51, a support block 52, a slide bar 53, a fixing slot 54, a positioning rod 55, The fixing groove 54 is composed of a fixing pin 56, a spring 57, a bottom block 58, an extension handle 59, a stopper 60 and a fixing hole 61. The inner bottom end of the fixing groove 54 is connected to a spring 57, which is sleeved on the positioning rod 55, and one end of the spring 57 is connected to the bottom of the fixing pin 56. One end of the extension support 51 is connected to a stopper 60, which is sleeved on the slide bar 53. The extension support 51 is provided with a fixing hole 61, and the fixing pin 56 is sleeved on the fixing hole 61. One end of the extension handle 59 is provided with a protective washer 7. A screw 10 is sleeved in the through hole provided in the bottom block 58, and the screw 10 is matched and connected to the threaded hole provided at one end of the slide bar 53. The bottom block 58 and the slide bar 53 are connected to each other by the screw 10. A ring member 8 is connected to one side of the bottom block 58, and a soft protection 9 is connected to the ring member 8. The soft protection 9 is used to cover the screw 10 and prevent the wrench from causing harm to the human body after it falls.
[0021] Specifically, when in use, first use the extension handle 59 to pull out the slide bar 53, so that the slide bar 53 slides in the extension support 51, and the extension and lengthening of the wrench handle is completed. There is no need to prepare additional parts such as metal pipes, which reduces the cost of use and effectively improves the practicality of the wrench; use the elastic force of the spring 57 to make the fixing pin 56 sleeved on the fixing hole 61. When in use, press the fixing pin 56 and pull the extension handle 59 at the same time to compress the positioning rod 55 and the spring 57, and at the same time make the fixing pin 56 slide on the inner wall of the extension support 51. When reaching the next fixing hole 61, the elastic force of the spring 57 is released, so that the fixing pin 56 is sleeved in the fixing hole 61. At this time, the wrench handle is extended and fixed. No manual assistance is required during use. It is convenient and quick to use, reducing labor costs.
[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be connection, detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediate medium, or it can be internal communication between two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0023] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.
[0024] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.
Claims
1. A quick release wrench, comprising a wrench body (1) and an extension assembly (5), characterized in that: The bottom of the wrench body (1) is connected to an extension support (51) in an extension assembly (5); a support block (52) is slidably connected to a slot hole provided in the extension support (51); one end of the support block (52) is connected to a slide rod (53); a fixing groove (54) is provided on the slide rod (53); a positioning rod (55) is connected to the bottom end of the fixing groove (54); one end of the positioning rod (55) is connected to a fixing pin (56); the fixing pin (56) is slidably connected to the inner wall of the fixing groove (54); one end of the slide rod (53) is connected to a bottom block (58); an extension handle (59) is connected to the bottom block (58); the extension handle (59) is slidably connected to the extension support (51).
2. A quick release wrench according to claim 1, characterized in that: The wrench body (1) is provided with a disassembly clamp (2), and the wrench body (1) is provided with a hanging hole (3).
3. A quick release wrench according to claim 1, characterized in that: The extension assembly (5) is composed of an extension support (51), a support block (52), a slide rod (53), a fixing groove (54), a positioning rod (55), a fixing pin (56), a spring (57), a bottom block (58), an extension handle (59), a stopper (60) and a fixing hole (61). The inner bottom end of the fixing groove (54) is connected to a spring (57), the spring (57) is sleeved on the positioning rod (55), and one end of the spring (57) is connected to the bottom of the fixing pin (56).
4. A quick release wrench according to claim 3, characterized in that: One end of the extension support (51) is connected to a stopper (60), which is sleeved on the slide bar (53). A fixing hole (61) is provided on the extension support (51), and a fixing pin (56) is sleeved on the fixing hole (61).
5. A quick release wrench according to claim 3, characterized in that: A protective washer (7) is provided at one end of the extended handle (59).
6. A quick release wrench according to claim 3, characterized in that: A screw (10) is sleeved in the through hole of the bottom block (58), and the screw (10) is matched and connected in a threaded hole of one end of the slide bar (53). The bottom block (58) and the slide bar (53) are connected to each other through the screw (10).
7. A quick release wrench according to claim 6, characterized in that: One side of the bottom block (58) is connected to a ring-shaped member (8), and a soft protection (9) is connected to the ring-shaped member (8).