Quick-release wrench

Abstract

The utility model discloses a quick-release wrench. The quick-release wrench comprises a first wrench and a handle part, the handle part comprises a first control arm and a second control arm, the first control arm is provided with a first connecting end and a second connecting end, and the first connecting end is rotationally connected with the first wrench; the second control arm is provided with a third connecting end, and the third connecting end is rotationally connected with the second connecting end; in the working state, the angle of the handle part is adjusted by rotating the first control arm and the second control arm. The quick-release wrench can be suitable for working spaces of different sizes, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of semiconductor equipment, in particular to a quick-release wrench. Background Art

[0002] In semiconductor equipment, chamber vacuum is the most important foundation for many machines. Nearly 90% of vacuum chambers are equipped with vacuum molecular pumps. However, there has been a lack of practical dedicated tools for disassembling vacuum molecular pumps, resulting in difficulties in removing and assembling screws in small spaces.

[0003] Therefore, it is necessary to provide a new quick-release wrench to solve the above problems in the prior art. Utility Model Content

[0004] The purpose of the utility model is to provide a quick-release wrench for disassembling workpieces in different working spaces, so that the quick-release wrench can be adapted to working spaces of different sizes and improve work efficiency.

[0005] To achieve the above purpose, the technical solution of the utility model is as follows:

[0006] A quick-release wrench comprises a first wrench and a handle portion;

[0007] The handle portion includes a first control arm and a second control arm, the first control arm having a first connection end and a second connection end, the first connection end being rotatably connected to the first wrench; the second control arm having a third connection end, the third connection end being rotatably connected to the second connection end;

[0008] In a working state, the first control arm and the second control arm are rotated to adjust the angle of the handle portion and the angle of the first wrench.

[0009] By adopting the above technical solution, during the working process, the first wrench is connected to a workpiece such as a screw or a bolt, and the angles of the first control arm and the second control arm are adjusted according to the different sizes of the working space, so that the handle part as a whole can rotate within the working space, so that the quick-release wrench can be suitable for working spaces of different sizes, and the workpiece can be disassembled and assembled more efficiently during the working process, thereby improving work efficiency.

[0010] Optionally, the third connecting end is provided with a rotation groove, the second connecting end is fixedly provided with a rotating part, the rotating part is rotatably provided in the rotation groove, and the second connecting end is provided with a positioning structure, the positioning structure is used to fix the position of the second control arm and the first control arm.

[0011] By adopting the above technical solution, the second connecting end is provided with a positioning structure, which fixes the positions of the first control arm and the second control arm so that the first control arm and the second control arm will not rotate during operation, and the overall stability of the quick-release wrench is higher.

[0012] Optionally, the positioning structure includes a first protrusion and a positioning pin, the first protrusions are multiple and are spaced apart at the third connection end, the second connection end is provided with a positioning hole, the positioning pin is passed through the positioning hole, and the side wall of the positioning pin is placed between two adjacent first protrusions to fix the position of the second control arm and the first control arm.

[0013] By adopting the above technical solution, during operation, when the positions of the first control arm and the second control arm need to be fixed, the positioning pin can be inserted into the positioning hole. When the positioning pin is not inserted into the positioning hole, the first control arm and the second control arm can rotate relative to each other.

[0014] Optionally, the side wall of the positioning pin has a second protrusion, and when the positioning pin is inserted into the positioning hole, the two side walls of the second protrusion are respectively attached to the side walls of two adjacent first protrusions.

[0015] By adopting the above technical solution, when the locating pin is passed through the locating hole, the two side walls of the second protrusion are respectively fitted with the side walls of the two adjacent first protrusions, so that no relative displacement occurs between the first protrusion and the second protrusion, thereby ensuring that the first control arm and the second control arm will not shake during operation, thereby improving the stability of the quick-release wrench.

[0016] Optionally, the first wrench side wall has a first connecting portion, the first connecting end is provided with a first connecting groove, and the first connecting portion is rotatably disposed in the first connecting groove.

[0017] By adopting the above technical solution, the first connecting portion is rotatably arranged in the first connecting groove, so that the first wrench and the first control arm can rotate relative to each other, which is convenient for adapting to work spaces of different sizes.

[0018] Optionally, a second wrench is further included, the side wall of the second wrench has a second connecting portion, the second control arm also has a fourth connecting end, the fourth connecting end is provided with a second connecting groove, and the second connecting portion is rotatably arranged on the side wall of the second connecting groove.

[0019] By adopting the above technical solution, during the use of the quick-release wrench, the first wrench or the second wrench can be selected according to different needs.

[0020] Optionally, both the first wrench and the second wrench are provided with an open ratchet structure, and the rotation direction of the ratchet structure on the first wrench is opposite to that of the open ratchet structure on the second wrench.

[0021] By adopting the above technical solution, the open ratchet structure can better match the size of workpieces such as screws or bolts, thereby facilitating the disassembly and assembly process.

[0022] Optionally, both the first wrench and the second wrench have an open guide rail, and the inner circumference of the open guide rail is provided with a sliding rail; the inner circumference of the sliding rail is provided with a transverse spring groove; and the open ratchet structure is provided on the open guide rail.

[0023] By adopting the above technical solution, the open ratchet structure is arranged on the open guide rail, so that the open ratchet structure can be rotated on the first wrench or the second wrench, which facilitates the working process.

[0024] Optionally, the open ratchet structure includes: an external tooth ratchet, a long crescent-shaped pawl, a snap ring and a compression spring;

[0025] The inner circle of the external tooth ratchet has a plurality of clamping teeth, and the external tooth ratchet is rotatably mounted in the open guide rail through a retaining ring; the long crescent-shaped pawl is arranged between the external tooth ratchet and the slide rail; the two ends of the compression spring respectively abut between the end of the long crescent-shaped pawl and the transverse spring groove, and the long crescent-shaped pawl cooperates with the slide rail to form a ratchet mechanism.

[0026] By adopting the above technical solution, workpieces such as screws or bolts are in contact with the clamping teeth. When the first wrench or the second wrench is rotated, the workpieces such as screws or bolts are driven to rotate through the open ratchet structure. When the first wrench or the second wrench is rotated in the opposite direction, the open ratchet structure will not rotate, which facilitates the disassembly and assembly process of the quick release wrench.

[0027] Optionally, a first opening is provided on the externally toothed ratchet, and a second opening is provided on both the first wrench and the second wrench, and the first opening is adapted to fit the second opening;

[0028] In a working state, the screw passes through the second opening and the first opening in sequence and contacts the plurality of clamping teeth in the external tooth ratchet.

[0029] By adopting the above technical solution and providing the first opening and the second opening, a workpiece such as a screw or a bolt can contact the open ratchet structure more quickly, thereby improving the disassembly and assembly efficiency.

[0030] The beneficial effects of the quick-release wrench provided by the utility model include at least:

[0031] 1. Adjust the angles of the first and second control arms to enable universal adjustment of the handle, allowing for faster assembly and disassembly, improving the efficiency of the quick-release wrench.

[0032] 2. Both the first wrench and the second wrench are provided with open ratchets, which can better match the size of the workpiece and facilitate the disassembly and assembly process. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 This is a schematic diagram of the main structure of an embodiment of the utility model;

[0034] Figure 2 This is a cross-sectional view of the open ratchet structure of an embodiment of the present utility model;

[0035] Figure 3 This is a schematic diagram of the positioning structure of an embodiment of the present utility model.

[0036] Reference numerals:

[0037] 100. First wrench; 110. First connecting portion; 200. Handle portion; 210. First control arm; 211. First connecting end; 212. Second connecting end; 213. Rotating groove; 214. Rotating portion; 215. Positioning hole; 216. First connecting groove; 220. Second control arm; 221. Third connecting end; 222. Fourth connecting end; 223. Second connecting groove; 230. Positioning structure; 231. First protrusion; 232. Positioning pin; 233. Second protrusion; 300. Second wrench; 310. Second connecting portion; 400. Open ratchet structure; 410. Open guide rail; 420. Transverse spring groove; 430. External tooth ratchet; 431. First opening; 440. Long crescent-shaped pawl; 460. Compression spring; 500. Second opening. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Unless otherwise defined, the technical terms or scientific terms used herein should be the common meanings understood by people with ordinary skills in the field to which the present invention belongs. The words "including" and similar words used in this article mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects.

[0039] The specific implementation of the present invention will be further described in detail below with reference to the accompanying drawings.

[0040] Reference Figure 1 、 Figure 2 and Figure 3 The embodiment of the present invention provides a quick-release wrench, which includes a first wrench 100 and a handle portion 200, wherein the first wrench 100 is used to be connected to a workpiece such as a bolt or a screw during operation, and the handle portion 200 is connected to the first wrench 100, and is used to drive the first wrench 100 to rotate, thereby removing or installing the workpiece such as the bolt or the screw; wherein the handle portion 200 includes a first control arm 210 and a second control arm 220, the first control arm 210 has a first connection end 211 and a second connection end 212, the second control arm 220 has a third connection end 221 and a fourth connection end 222, the first wrench 100 is rotatably connected to the first connection end 211, the third connection end 221 is detachably connected to the second connection end 212, and the angle between the first control arm 210 and the second control arm 220 can be adjusted, so that during operation, by rotating the first control arm 210 The first control arm 210 and the second control arm 220 can adjust the overall angle of the handle portion 200 to facilitate the use of work spaces of different sizes. The rotation angle of the first control arm 210 relative to the first wrench 100 and the rotation angle of the second control arm 220 relative to the first control arm 210 can be the same or different. In this embodiment, it is preferred to adopt different rotation angles of the two. Such an arrangement allows the first control arm 210 and the second control arm 220 to rotate in different directions, thereby facilitating the adjustment of the angle of the handle portion 200, so that the first wrench 100 can be suitable for work spaces of different sizes. During use, the first control arm 210 and the first wrench 100 can be used together, or the second control arm 220, the first control arm 210 and the first wrench 100 can be used together. In actual use, different working modes can be selected according to the use environment and use space.

[0041] Reference Figure 1 、 Figure 2 and Figure 3The quick-release wrench also includes a second wrench 300, the shape of the second wrench 300 is the same as that of the first wrench 100, and the second wrench 300 is rotatably connected to the fourth connecting end 222, that is, the first wrench 100 and the second wrench 300 are respectively placed at the two ends of the handle portion 200, and the first wrench 100 and the second wrench 300 can be selected to have different models, or the first wrench 100 and the second wrench 300 can be selected to have the same model. In this embodiment, it is preferred to use the same model for both: the side wall of the first wrench 100 has a first connecting portion 110, the first connecting portion 110 is block-shaped, the first connecting end 211 is provided with a first connecting groove 216, the first connecting portion 110 is penetrated by the first connecting groove 216, and is rotatably connected to the inner side wall of the first connecting groove 216 by a rotating shaft, the side wall of the first connecting end 211 in contact with the first wrench 100 has a chamfered corner, which reduces the first wrench 100 from rotating. During the operation, the first connecting end 211 interferes with the rotation of the first wrench 100; the side wall of the second wrench 300 has a second connecting portion 310, and the second connecting portion 310 is block-shaped. The fourth connecting end 222 is provided with a second connecting groove 223, and the second connecting portion 310 is passed through the second connecting groove 223 and is rotatably connected to the inner side wall of the second connecting groove 223 through a rotating shaft. The side wall where the fourth connecting end 222 contacts the second wrench 300 has a rounded corner, which reduces the interference of the second connecting end 212 on the rotation of the second wrench 300 during the rotation process; during the operation, the first wrench 100 or the second wrench 300 can be selected according to actual conditions, wherein the first wrench 100 and the second wrench 300 can be set to the same size, or the first wrench 100 and the second wrench 300 can be set to different sizes. In this embodiment, it is preferred that the first wrench 100 and the second wrench 300 have the same size.

[0042] Reference Figure 1 、 Figure 2 and Figure 3The first wrench 100 and the second wrench 300 are both provided with an open ratchet structure 400, and the rotation direction of the ratchet structure on the first wrench 100 is opposite to that of the open ratchet structure 400 on the second wrench 300. During use, the angles of the first control arm 210 and the second control arm 220 can be adjusted according to actual conditions, and the first wrench 100 or the second wrench 300 can be selected; the first wrench 100 and the second wrench 300 are both provided with an open guide rail 410, and the open guide rail 410 is provided. 0 is provided with a slide rail on its inner circumference, and a transverse spring groove 420 is provided on its inner circumference. The open ratchet structure 400 is provided on the open guide rail 410 and is used to keep the first wrench 100 and the second wrench 300 from being removed during operation and to maintain unidirectional rotation. In this embodiment, the open ratchet structure 400 includes an external toothed ratchet 430, a long crescent-shaped pawl 440, a snap ring and a compression spring 460. At the same time, the inner circumference of the external toothed ratchet 430 has a plurality of clamping teeth, which are used to tighten the teeth during operation. During the operation, the clamping teeth contact the side wall of the screw or bolt, thereby clamping the screw or bolt, and the external tooth ratchet 430 is rotatably set in the open guide rail 410. Its rotation method can be clamping or snap ring connection. In this embodiment, the external tooth ratchet 430 is rotatably installed in the open guide rail 410 through the snap ring, and the two ends of the compression spring 460 respectively abut the end of the long crescent-shaped pawl 440 and the side wall of the transverse spring groove 420, and the long crescent-shaped pawl 440 cooperates with the slide rail to form a ratchet mechanism; during use, it is possible to continuously perform construction operations on workpieces such as screws or bolts without removing the first wrench 100 or the second wrench 300. At the same time, the axis of the rotating shaft between the first wrench 100 and the first control arm 210 is parallel to the axis of the rotating shaft between the second wrench 300 and the second control arm 220, and is perpendicular to the axis of the rotating shaft between the first control arm 210 and the second control arm 220. This arrangement allows the handle portion 200 to have a maximum rotation stroke.

[0043] Reference Figure 1 、 Figure 2 and Figure 3 A first opening 431 is provided on the externally toothed ratchet 430, and the first opening 431 penetrates the side wall of the externally toothed ratchet 430, so that the inner and outer surfaces of the externally toothed ratchet 430 are connected. A second opening 500 is provided on both the first wrench 100 and the second wrench 300, and the second opening 500 is adapted to the first opening 431. During operation, the quick-release wrench is operated to move so that workpieces such as screws or bolts pass through the second opening 500 and the first opening 431 in turn and contact the multiple clamping teeth in the externally toothed ratchet 430. The provision of the first opening 431 and the second opening 500 further reduces the path of the quick-release wrench during operation and improves the efficiency of installing or disassembling the workpiece.

[0044] Reference Figure 1 、 Figure 2 and Figure 3 The third connection end 221 is provided with a rotation groove 213, and the first connection end 211 is fixedly provided with a rotation part 214. The fixing method can be selected from bonding, clamping, integral molding, etc. In this embodiment, the rotation part 214 is preferably integrally molded at the end of the first connection part 110, and the rotation part 214 is block-shaped. The rotation part 214 is passed through the rotation groove 213 and is rotatably connected to the inner wall of the rotation groove 213 through a rotating shaft. The second connection end 212 is provided with a positioning structure 230. The positioning structure 230 is used to fix the position of the first control wall and the second control arm 220, so that the first control arm 210 and the second control arm 220 will not rotate relative to each other, thereby improving the stability of the quick release wrench during operation; the positioning structure 230 includes a first protrusion 231 and a positioning pin 232. The first protrusion 231 is provided with a plurality of and spaced apart at the third connection end 221. Specifically in this embodiment, the plurality of first protrusions 231 are spaced apart and distributed on the side wall of the connecting groove, and are evenly distributed on the side wall of the connecting groove. The second connection end 2 12 is provided with a positioning hole 215, and the positioning pin 232 is passed through the positioning hole 215. When the positioning pin 232 is passed through the positioning hole 215, part of the side wall of the positioning pin 232 is placed between the two adjacent first protrusions 231, thereby playing the effect of fixing the position of the first control arm 210 and the second control arm 220; at the same time, the side wall of the positioning pin 232 has a second protrusion 233, and the second protrusion 233 is block-shaped. When the positioning pin 232 is passed through the positioning hole 215, the second protrusion 233 is placed between the two adjacent first protrusions 231. Between two adjacent first protrusions 231, and the two side walls of the second protrusion 233 are respectively fitted with the side walls of the two adjacent first protrusions 231, so that when the second protrusion 233 is inserted between the two first protrusions 231, no relative displacement occurs between the first protrusion 231 and the second protrusion 233, so that during operation, no shaking occurs between the first control arm 210 and the second control arm 220, thereby improving the stability of the first control arm 210 and the second control arm 220 during operation.

[0045] The implementation principle of the quick-release wrench of the present invention is as follows: the first wrench 100 or the second wrench 300 is connected to a workpiece such as a screw or bolt, and according to the size of different working spaces, the first control arm 210 and the second control arm 220 are rotated to a suitable angle, so that the first control arm 210 and the second control arm 220 adapt to the working space and can drive the first wrench 100 to rotate, so that the quick-release wrench can quickly disassemble or install the workpiece when used in a narrow space or an irregular space, thereby improving work efficiency; adjusting the angle of the first control arm 210 and the second control arm 220 allows the handle part 200 to be universally adjusted, which can be more quickly disassembled and assembled, thereby improving the disassembly and assembly efficiency of the quick-release wrench; an open ratchet structure 400 is provided on both the first wrench 100 and the second wrench 300, which can better match the size of the workpiece and facilitate the disassembly and assembly process.

[0046] While the embodiments of the present invention have been described in detail above, it will be apparent to those skilled in the art that various modifications and variations may be made to these embodiments. However, it should be understood that such modifications and variations are within the scope and spirit of the present invention as set forth in the claims. Furthermore, the present invention described herein may have other embodiments and may be implemented or carried out in a variety of ways.

Claims

1. A quick release wrench, characterized in that: It comprises a first wrench (100) and a handle portion (200); The handle portion (200) comprises a first control arm (210) and a second control arm (220), wherein the first control arm (210) has a first connecting end (211) and a second connecting end (212), wherein the first connecting end (211) is rotatably connected to the first wrench (100); and the second control arm (220) has a third connecting end (221), wherein the third connecting end (221) is rotatably connected to the second connecting end (212). In a working state, the first control arm (210) and the second control arm (220) are rotated to adjust the angle of the handle portion (200) and the angle of the first wrench (100).

2. The quick-release wrench according to claim 1, characterized in that: The third connecting end (221) is provided with a rotation groove (213); the second connecting end (212) is fixedly provided with a rotation portion (214); the rotation portion (214) is rotatably provided in the rotation groove (213); the second connecting end (212) is provided with a positioning structure (230); the positioning structure (230) is used to fix the position of the second control arm (220) and the first control arm (210).

3. The quick-release wrench according to claim 2, characterized in that: The positioning structure (230) includes a first protrusion (231) and a positioning pin (232). The first protrusion (231) is provided in plurality and is spaced apart at the third connecting end (221). The second connecting end (212) is provided with a positioning hole (215). The positioning pin (232) is passed through the positioning hole (215). The side wall of the positioning pin (232) is placed between two adjacent first protrusions (231) and fixes the position of the second control arm (220) and the first control arm (210).

4. The quick-release wrench according to claim 3, characterized in that: The side wall of the positioning pin (232) has a second protrusion (233). When the positioning pin (232) is inserted into the positioning hole (215), the two side walls of the second protrusion (233) are respectively attached to the side walls of the two adjacent first protrusions (231).

5. The quick-release wrench according to claim 1, characterized in that: The side wall of the first wrench (100) has a first connecting portion (110), the first connecting end (211) is provided with a first connecting groove (216), and the first connecting portion (110) is rotatably disposed in the first connecting groove (216).

6. The quick-release wrench according to claim 5, characterized in that: The invention also includes a second wrench (300), the side wall of the second wrench (300) has a second connecting portion (310), the second control arm (220) also has a fourth connecting end (222), the fourth connecting end (222) is provided with a second connecting groove (223), and the second connecting portion (310) is rotatably arranged on the side wall of the second connecting groove (223).

7. The quick-release wrench according to claim 6, characterized in that: The first wrench (100) and the second wrench (300) are both provided with an open ratchet structure (400), and the rotation direction of the ratchet structure on the first wrench (100) and the open ratchet structure (400) on the second wrench (300) are opposite.

8. The quick-release wrench according to claim 7, characterized in that: The first wrench (100) and the second wrench (300) are both provided with an open guide rail (410), the inner circumference of the open guide rail (410) is provided with a slide rail; the inner circumference of the slide rail is provided with a transverse spring groove (420); and the open ratchet structure (400) is provided on the open guide rail (410).

9. The quick-release wrench according to claim 8, characterized in that: The open ratchet structure (400) comprises: an external tooth ratchet (430), a long crescent-shaped pawl (440), a snap ring, and a compression spring (460); The inner circle of the external tooth ratchet (430) has a plurality of clamping teeth, and the external tooth ratchet (430) is rotatably mounted in the open guide rail (410) through a snap ring; the long crescent-shaped pawl (440) is arranged between the external tooth ratchet (430) and the slide rail; the two ends of the compression spring (460) are respectively abutted between the end of the long crescent-shaped pawl (440) and the transverse spring groove (420), and the long crescent-shaped pawl (440) cooperates with the slide rail to form a ratchet mechanism.

10. The quick-release wrench according to claim 9, characterized in that: The external tooth ratchet (430) is provided with a first opening (431), the first wrench (100) and the second wrench (300) are both provided with a second opening (500), and the first opening (431) is adapted to the second opening (500); In the working state, the screw passes through the second opening (500) and the first opening (431) in sequence and contacts the plurality of clamping teeth in the external tooth ratchet (430).

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