Wrench convenient for small-space operation
By designing a connecting mechanism and a rotary engagement mechanism that can be replaced with the head and angle adjustment of the wrench, the problem of insufficient force space in small space operations is solved, and flexible use and efficient construction are achieved.
Patent Information
- Application Number
- CN202422285629.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-19
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-09-19
AI Technical Summary
When existing wrenches work in small spaces, the pressure space is limited, and the construction efficiency cannot be improved, and the operability and flexibility are not strong.
A wrench structure including a first connecting plate, a second connecting plate and a third connecting plate is designed, and the quick replacement and angle adjustment of the wrench head are realized through the connecting mechanism and the rotary engaging mechanism. The connecting mechanism consists of a connecting block, a slide groove, a spring, a pressing plate and a button. The rotary engaging mechanism consists of a fixing ring, a fixing disc, and a snap teeth, allowing the replacement and angle adjustment of the wrench head.
It realizes flexible use and efficient construction in small spaces, facilitates replacement of wrench heads and angle adjustment, improves construction efficiency and is easy to carry.
Smart Images
Figure CN223057604U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of wrenches, and particularly relates to a wrench convenient for operation in a small space. Background Technique
[0002] A wrench is a common tool in construction. Currently, wrenches are generally flat, that is, the force-applying handle and the jaw are in the same plane. During actual construction, when operating in a small space, due to the limited operating space, it is impossible to place the wrench and the fastener in the same operating plane, or even if the force-applying handle and the jaw are in the same plane, the force-applying space of the wrench is limited, the torsion angle is small, and the construction efficiency cannot be improved. The existing wrenches have poor operability, flexibility, and environmental adaptability. Content of the Utility Model
[0003] The technical problem to be solved by the utility model is to provide a wrench convenient for operation in a small space aiming at the deficiencies of the above-mentioned prior art. The wrench has a simple structure, is easy to use, has good use effects, can be reused, and can be widely applied.
[0004] To solve the above technical problem, the technical solution adopted by the utility model is: a wrench convenient for operation in a small space, which is characterized in that it includes a first connecting plate, one end of the first connecting plate is fixedly installed with a wrench head, the other end of the first connecting plate is fixedly connected with a second connecting plate through a connecting mechanism, and the wrench head can be conveniently replaced through the connecting mechanism. The second connecting plate is fixedly connected with a third connecting plate through a rotating clamping mechanism, and the third connecting plate can rotate relative to the first connecting plate and the second connecting plate, which is convenient for use when operating in a small space.
[0005] The connecting mechanism includes a connecting block, the connecting block is fixedly connected with the second connecting plate, a sliding groove is opened in the first connecting plate, the connecting block is slidably installed in the sliding groove, through grooves are respectively opened in the upper and lower sides of the second connecting plate and the connecting block, a pressing plate is fixedly connected in the through groove through a spring, a clamping column is fixedly installed at one end of the pressing plate, clamping grooves are opened in the upper and lower sides of the first connecting plate, the clamping column is matched with the clamping groove, and a button is fixedly installed on the outer side of the pressing plate, and the button extends outside the connecting block.
[0006] By pressing the button, the pressing plate can be moved inwards, squeezing the spring, so as to retract the clamping column. After inserting the connecting block into the sliding groove, the button can be released, and under the action of the spring reset, the clamping column is pushed outwards, and the clamping column can be inserted into the clamping groove to complete the fixed connection between the first connecting plate and the second connecting plate.
[0007] Preferably, a limiting rod is fixedly installed in the through groove, a limiting groove is formed in the pressing plate, the limiting rod is slidably connected with the limiting groove, and the central axis of the limiting rod is parallel to the central axis of the spring. Through the cooperation of the limiting rod and the limiting groove, the pressing plate can only move up and down along the limiting rod, increasing stability.
[0008] Preferably, the rotating clamping mechanism includes a fixed ring and a fixed disk. The fixed ring is fixedly connected with the second connecting plate, the fixed disk is fixedly connected with the third connecting plate, an opening for inserting the fixed disk is arranged at the side end of the fixed ring, first teeth are arranged on the inner circumference of the fixed ring, second teeth are arranged on the outer circumference of the fixed disk, and the first teeth are matched with the second teeth.
[0009] The fixed disk can be inserted into the opening at the side end of the fixed ring at different angles. The first teeth are engaged with the second teeth, and the fixed disk and the fixed ring cannot rotate relative to each other, that is, the angle of the third connecting plate relative to the first connecting plate and the second connecting plate is fixed.
[0010] Preferably, a clamping groove is arranged at the center of the fixed disk, a fixator is arranged on the clamping groove, a clamping rod is arranged on the fixator, and the clamping rod can be inserted into the clamping groove to prevent the fixed disk from sliding relative to the fixed ring.
[0011] Preferably, a resistance grip sleeve is arranged on the third connecting plate to facilitate gripping and prevent the wrench from slipping off. A hanging ring is fixedly installed at the end of the third connecting plate to facilitate the staff to carry.
[0012] The utility model has the following advantages compared with the prior art:
[0013] The first connecting plate and the second connecting plate of the utility model are connected through a connecting mechanism. Only by pressing the button in the connecting mechanism, the wrench head can be conveniently replaced. The second connecting plate and the third connecting plate are connected through a rotating clamping mechanism. The third connecting plate can rotate relative to the first connecting plate and the second connecting plate. The angle of the third connecting plate relative to the first connecting plate and the second connecting plate can be quickly adjusted through the rotating clamping mechanism, which is convenient for use in small spaces and convenient for carrying and using.
[0014] The following further describes the utility model in detail with reference to the drawings and embodiments. Description of the Drawings
[0015] Figure 1 is a structural schematic diagram of the utility model.
[0016] Figure 2 is an internal structural schematic diagram of the utility model.
[0017] Figure 3 is Figure 2 an enlarged schematic diagram of part A in
[0018] Figure 4 It is a schematic structural diagram of the rotating clamping mechanism in the present utility model.
[0019] Explanation of the reference numerals in the drawings:
[0020] 1 - connecting block; 2 - through slot; 3 - spring;
[0021] 4 - pressing plate; 5 - clamping post; 6 - button;
[0022] 7 - second connecting plate; 8 - fixing ring; 9 - first tooth;
[0023] 10 - third connecting plate; 11 - second tooth; 12 - fixing disk;
[0024] 13 - fixer; 14 - resistance grip sleeve; 15 - hanging ring;
[0025] 16 - limiting rod; 17 - limiting slot; 18 - first connecting plate;
[0026] 19 - clamping slot; 20 - wrench head. Detailed implementation manners
[0027] In order to make the above objects, features and advantages of the present utility model more obvious and understandable, the following will describe the detailed implementation manners of the present utility model with reference to the drawings. Many specific details are set forth in the following description in order to fully understand the present utility model. However, the present utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific implementations disclosed below.
[0028] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration and do not represent the only implementation manner.
[0029] Such as Figures 1 to 4As shown in the figure, the utility model provides a wrench convenient for small-space operation, which includes a first connecting plate 18. One end of the first connecting plate 18 is fixedly installed with a wrench head 20, and the other end of the first connecting plate 18 is fixedly connected with a second connecting plate 7 through a connecting mechanism. The wrench head 20 can be conveniently replaced through the connecting mechanism. The second connecting plate 7 is fixedly connected with a third connecting plate 10 through a rotating clamping mechanism. The third connecting plate 10 can rotate relative to the first connecting plate 18 and the second connecting plate 7, which is convenient for use in small-space operations.
[0030] The connecting mechanism includes a connecting block 1. The connecting block 1 is fixedly connected with the second connecting plate 7. A chute is formed in the first connecting plate 18, and the connecting block 1 is slidably installed in the chute. Through grooves 2 are respectively formed in the upper and lower sides of the second connecting plate 7 and the connecting block 1. A pressing plate 4 is fixedly connected in the through groove 2 through a spring 3. A clamping column 5 is fixedly installed at one end of the pressing plate 4. Clamping grooves 19 are formed in the upper and lower sides of the first connecting plate 18. The clamping column 5 is matched with the clamping groove 19. A button 6 is fixedly installed on the outer side of the pressing plate 4, and the button 6 extends outside the connecting block 1.
[0031] By pressing the button 6, the pressing plate 4 can be moved inward to compress the spring 3, so as to retract the clamping column 5. After inserting the connecting block 1 into the chute, the button 6 can be released. Under the action of the spring 3 resetting, the clamping column 5 is pushed to move outward, and the clamping column 5 can be inserted into the clamping groove 19 to complete the fixed connection between the first connecting plate 18 and the second connecting plate 7.
[0032] In this embodiment, a limiting rod 16 is fixedly installed in the through groove 2, a limiting groove 17 is formed in the pressing plate 4, and the limiting rod 16 is slidably connected with the limiting groove 17. The central axis of the limiting rod 16 is parallel to the central axis of the spring 3. Through the cooperation of the limiting rod 16 and the limiting groove 17, the pressing plate 4 can only move up and down along the limiting rod 16, increasing the stability.
[0033] In this embodiment, the rotating clamping mechanism includes a fixed ring 8 and a fixed disk 12. The fixed ring 8 is fixedly connected with the second connecting plate 7, and the fixed disk 12 is fixedly connected with the third connecting plate 10. An opening for inserting the fixed disk 12 is arranged at the side end of the fixed ring 8. A first tooth 9 is arranged on the inner circumference of the fixed ring 8, and a second tooth 11 is arranged on the outer circumference of the fixed disk 12. The first tooth 9 is matched with the second tooth 11.
[0034] The fixed disk 12 can be inserted into the opening at the side end of the fixed ring 8 at different angles. The first tooth 9 and the second tooth 11 are engaged, and the fixed disk 12 and the fixed ring 8 cannot rotate relative to each other, that is, the angle of the third connecting plate 10 relative to the first connecting plate 18 and the second connecting plate 7 is fixed.
[0035] In this embodiment, a clamping groove is provided at the center of the fixed disk 12, a fixator 13 is provided on the clamping groove, a clamping rod is provided on the fixator 13, and the clamping rod can be inserted into the clamping groove to prevent the fixed disk 12 from sliding relative to the fixed ring 8.
[0036] In this embodiment, a resistance grip sleeve 14 is provided on the third connecting plate 10 to facilitate gripping and prevent the wrench from slipping off. A hanging ring 15 is fixedly installed at the end of the third connecting plate 10 to facilitate the staff to carry.
[0037] During use, select a suitable wrench head 20, press the button 6, the pressing plate 4 can move inward, compress the spring 3, and thus retract the clamping post 5. After inserting the connecting block 1 into the sliding groove, the button 6 can be released. Under the action of the spring 3 resetting, the clamping post 5 is pushed to move outward, and the clamping post 5 can be inserted into the clamping groove 19 to complete the fixed connection between the first connecting plate 18 and the second connecting plate 7.
[0038] When it is necessary to replace the wrench head 20, just press the button 6, the pressing plate 4 can move inward, compress the spring 3, and thus retract the clamping post 5, and then pull out the connecting block 1 from the sliding groove.
[0039] After the wrench head 20 is installed, insert the fixed disk 12 into the opening at the side end of the fixed ring 8 at a suitable angle. The first cogs 9 and the second cogs 11 are engaged, and the fixed disk 12 and the fixed ring 8 cannot rotate relative to each other. Then insert the fixator 13 into the clamping groove of the fixed disk 12 to prevent the fixed disk 12 from sliding relative to the fixed ring 8, and complete the fixed connection between the second connecting plate 7 and the third connecting plate 10.
[0040] When it is necessary to adjust the angle of the third connecting plate 10 relative to the first connecting plate 18 and the second connecting plate 7, remove the fixator 13, pull out the fixed disk 12, adjust the angle of the third connecting plate 10, insert the fixed disk 12 into the opening at the side end of the fixed ring 8, and insert the fixator 13 into the clamping groove of the fixed disk 12.
[0041] The above are only the preferred embodiments of the present invention, and do not impose any limitations on the present invention. Any simple modifications, changes, and equivalent changes made to the above embodiments according to the technical essence of the invention still fall within the protection scope of the technical solution of the present invention.
Claims
1. A wrench convenient for operation in a small space, characterized in that, It includes a first connecting plate (18), a wrench head (20) is fixedly installed at one end of the first connecting plate (18), the other end of the first connecting plate (18) is fixedly connected to a second connecting plate (7) through a connecting mechanism, and the second connecting plate (7) is fixedly connected to a third connecting plate (10) through a rotating engaging mechanism; The connecting mechanism includes a connecting block (1), the connecting block (1) is fixedly connected to the second connecting plate (7), a sliding groove is formed in the first connecting plate (18), the connecting block (1) is slidably installed in the sliding groove, through grooves (2) are respectively formed in the upper and lower sides of the second connecting plate (7) and the connecting block (1), a pressing plate (4) is fixedly connected in the through groove (2) through a spring (3), a clamping column (5) is fixedly installed at one end of the pressing plate (4), clamping grooves (19) are formed in the upper and lower sides of the first connecting plate (18), the clamping column (5) is matched with the clamping groove (19), and a button (6) is fixedly installed on the outer side of the pressing plate (4), and the button (6) extends outside the connecting block (1).
2. The wrench for facilitating operation in a small space according to claim 1, wherein A limiting rod (16) is fixedly installed in the through groove (2), a limiting groove (17) is formed in the pressing plate (4), the limiting rod (16) is slidably connected with the limiting groove (17), and the central axis of the limiting rod (16) is parallel to the central axis of the spring (3).
3. A wrench facilitating operation in a small space according to claim 1, characterized in that, The rotating engaging mechanism includes a fixing ring (8) and a fixing disk (12), the fixing ring (8) is fixedly connected to the second connecting plate (7), and the fixing disk (12) is fixedly connected to the third connecting plate (10); An opening for inserting the fixing disk (12) is arranged at the side end of the fixing ring (8), a first set of teeth (9) is arranged on the inner circumference of the fixing ring (8), a second set of teeth (11) is arranged on the outer circumference of the fixing disk (12), and the first set of teeth (9) is matched with the second set of teeth (11).
4. The wrench for facilitating operation in a small space according to claim 3, wherein, A clamping groove is arranged at the center of the fixing disk (12), and a fixator (13) is arranged on the clamping groove.
5. The wrench for facilitating operation in a small space according to claim 1, wherein, A resistance grip sleeve (14) is arranged on the third connecting plate (10), and a hanging ring (15) is fixedly installed at the end of the third connecting plate (10).