Municipal water supply maintenance tool
By designing an adjustable wrench head and handle structure in municipal water supply maintenance tools, angle adjustment and fixing is achieved using pins and limiting parts, the problem of angle fixation of existing tools in narrow spaces is solved, and operation convenience and efficiency are improved.
Patent Information
- Application Number
- CN202421093919.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-20
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-05-20
AI Technical Summary
When the existing municipal water supply maintenance tools are operated in a narrow space, the angle between the handle and the head of the wrench is fixed, making it difficult to meet the working requirements of special occasions.
A municipal water supply maintenance tool is designed, adopting an adjustable wrench head and handle structure. Through the coordination of the pin and the limiting parts, the angle of the handle and the wrench head is adjusted and fixed.
When using this tool in a small space, the angle between the handle and the wrench head can be adjusted according to the scene requirements, improve operational convenience and efficiency, and meet the working requirements of special occasions.
Smart Images

Figure CN222589569U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of municipal maintenance tool technology, and in particular to a municipal water supply maintenance tool. Background Art
[0002] Water is an indispensable material condition for the formation and development of cities. Municipal water supply is mainly supplied by the urban water supply system for urban residents' lives, fire protection, municipal management and other water needs. Water supply pipelines are related to the lives of urban residents and need to be repaired in time if there are any problems.
[0003] The Chinese utility model patent with patent number CN220534066U discloses a municipal water supply maintenance tool, including a wrench head and a worm. A through groove is opened on the upper side wall of the wrench head. The worm is arranged to be rotatably connected in the through groove. The external transmission connection of the worm is connected with a rack. A motor is arranged on the rear side wall of the wrench head. The output shaft of the motor is connected with a second gear. The second gear is meshed with the first gear. The first gear drives the worm to rotate. When operating in a narrow space, the first gear of the motor drives the turbine to rotate, and the rotation of the rack drives the pin shaft to rotate, so that the wrench lip is fixed to the maintenance component, which is convenient for relevant personnel to operate in a narrow space and improves the efficiency of the drainage maintenance process.
[0004] In actual use, the wrench head and the handle are fixedly connected, the position of the handle is relatively fixed, and the angle between the handle and the wrench head cannot be changed, which makes it difficult to meet the working requirements in special occasions. Utility Model Content
[0005] In order to better change the angle between the handle and the wrench head and meet the working requirements in more occasions, the present application provides a municipal water supply maintenance tool.
[0006] This application provides a municipal water supply maintenance tool, which adopts the following technical solution:
[0007] A municipal water supply maintenance tool, comprising a wrench body, the wrench body comprising a wrench head and a handle, the wrench head comprising a main seat, a fixed wrench lip, a movable wrench lip and a driving mechanism for driving the movable wrench lip to slide, the fixed wrench lip is fixed to the main seat, the movable wrench lip is slidably connected to the main seat, and the movable wrench lip slides away from or close to the fixed wrench lip;
[0008] The main seat and the handle end are rotatably connected by setting a pin, and a limiting member is set inside the handle. The limiting member slides inside the handle, and the sliding direction of the limiting member is away from or close to the pin. When the limiting member slides close to the pin, the limiting member limits the relative rotation of the main seat and the handle.
[0009] By adopting the above technical solution, the driving mechanism drives the movable lip to slide away from or close to the fixed lip, the movable lip cooperates with the fixed lip to clamp the part that needs to be repaired, the main seat and the handle are connected by a pin, and the limiter slides away from or close to the pin. When using the water supply maintenance tool in a relatively narrow space, the angle of the main seat and the handle is adjusted according to the scene, and the limiter can limit the rotation of the main seat and the handle, so that the head and the handle are kept at a stable angle for use, so as to meet the working requirements of special scenes.
[0010] Optionally, the limiting member includes a clamping block, a connecting block and a shifting block, the clamping block is located at the end of the connecting block close to the pin, the clamping block is provided with a clamping groove for the pin to be engaged, the connecting block is slidably arranged in the handle, the shifting block is fixed on the connecting block, and the shifting block is slidably arranged on the outer wall of the handle; the pin is fixed on the main seat, and the pin is rotatably connected to the handle.
[0011] By adopting the above technical solution, the locking groove can make the locking block abut against the bolt to limit the rotation of the bolt. The shift block is fixed on the connecting piece, and the shift block is arranged on the outside of the handle. The user can push the shift block to make the locking block abut against the bolt to limit the rotation of the bolt. The bolt is fixed to the main seat. The angle between the main seat and the handle can be fixed by simply limiting the rotation of the bolt on the handle.
[0012] Optionally, a ring groove is formed in the portion of the latch located inside the handle, and when the limiting member slides to a position close to the latch, the engaging groove abuts against the wall of the ring groove to limit the rotation of the latch.
[0013] By adopting the above technical solution, the annular groove is opened when the bolt is located inside the handle, and the inner wall of the clamping groove abuts against the inner wall of the annular groove, thereby increasing the contact area and better limiting the rotation of the bolt.
[0014] Optionally, the inner wall of the engaging groove is in an arc shape matching the outer wall of the latch.
[0015] By adopting the above technical solution, the arc-shaped clamping groove and the clamping groove radius corresponding to the annular groove radius can make the contact area between the clamping groove and the bolt larger, and better limit the rotation of the bolt.
[0016] Optionally, the handle includes a handle body and a handle cover, the handle body is provided with a sliding groove for the limiting member to slide, the handle cover closes the sliding groove, and the handle cover is provided with a strip groove for the shifting block to slide.
[0017] By adopting the above technical solution, the handle body and the handle cover facilitate the installation and sliding of the limiting member.
[0018] Optionally, a rubber gasket is provided on the inner wall of the clamping groove, and the rubber gasket is semicircular and abuts against the latch to limit the rotation of the latch.
[0019] By adopting the above technical solution, the provision of the rubber gasket can make the fixing of the latch more stable, and after the user determines the angle, it is not easy to change the angle of the handle during use.
[0020] Optionally, a through groove for accommodating a driving mechanism is provided on the main seat, and the driving mechanism includes a worm and a rack. The worm is rotatably arranged in the through groove, a through hole is opened on the side of the main seat, and a rack is fixed to one end of the movable lever lip near the worm, and the length direction of the rack is the same as the sliding direction of the movable lever lip, the rack is slidably arranged in the through hole, and the rack is meshed with the worm for transmission.
[0021] By adopting the above technical solution, the worm is accommodated in the through groove, and the rack can slide when the worm rotates. The sliding of the rack drives the movable lip to slide towards the fixed lip, which is convenient for users to fix the part that needs to be repaired.
[0022] Optionally, the driving mechanism further includes a stepper motor, a placement slot is opened on the side wall of the through slot, the stepper motor is arranged in the placement slot, the motor shaft of the stepper motor is coaxially fixed with the worm, and the stepper motor drives the worm to rotate forward and reversely.
[0023] By adopting the above technical solution, the stepper motor drives the worm to rotate forward and reverse by fixing the motor shaft coaxially with the worm. Users no longer need to rotate the worm to adjust the distance between the movable lip and the fixed lip during use, which better meets the needs of users and is more convenient to use.
[0024] Optionally, a control button for controlling the opening and closing of the stepper motor is provided on the outer wall of the handle, and the control button includes a clamping button and a releasing button, and the clamping button and the releasing button control the forward and reverse rotation of the stepper motor, and the control button is electrically connected to the stepper motor.
[0025] By adopting the above technical solution, the stepper motor is equipped with a battery, and the clamping button and the release button on the handle facilitate the operation of the user. The buttons on the handle can be directly used to clamp and release, which makes it more convenient to use the maintenance tool in a narrow space.
[0026] Optionally, a grip is fixed to the end of the handle away from the main seat, and an anti-slip sleeve is sleeved on the grip.
[0027] By adopting the above technical solution, the grip enables the user to hold the wrench better, and the anti-slip groove allows the user to hold the grip during use without the hand slipping easily.
[0028] In summary, the present application includes at least one of the following beneficial technical effects:
[0029] 1. The main seat and the handle are rotatably connected, and a limiter is set for angle positioning, so that the wrench head and the handle can be used at a stable angle, making it convenient to use the water supply maintenance tool in a relatively narrow space;
[0030] 2. When the block is pressed against the latch, the latch is fixed, thereby fixing the angle between the handle and the main seat, making it convenient for the user to slide the block with one hand to fix the handle and the main seat, thereby facilitating the use of maintenance tools in narrow spaces. ;
[0031] 3. The stepper motor drives the sliding of the movable lip on the head of the wrench, and the user no longer needs to manually adjust the position of the movable lip to clamp the part that needs maintenance for maintenance, which improves the convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS
[0032] Figure 1 1 is an overall schematic diagram of a municipal water supply maintenance tool according to an embodiment.
[0033] Figure 2 yes Figure 1 A partial enlarged view of point A.
[0034] Figure 3 It is a schematic structural diagram of a municipal water supply maintenance tool according to an embodiment.
[0035] Figure 4 It is a partial disassembly diagram of the municipal water supply maintenance tool of the embodiment, mainly showing the connection relationship between the limit piece and the latch.
[0036] Figure 5 It is a structural diagram of the municipal water supply maintenance tool of the embodiment, mainly showing the driving mechanism.
[0037] Explanation of the accompanying drawings: 1. Wrench body; 11. Wrench head; 111. Main seat; 112. Fixed lip; 113. Movable lip; 114. Driving mechanism; 1141. Worm; 1142. Rack; 1143. Stepper motor; 115. Through groove; 116. Through hole; 117. Placement groove; 12. Handle; 121. Handle body; 122. Handle cover; 13. Sliding groove; 14. Strip groove; 15. Clamping button; 16. Release button; 17. Grip; 18. Anti-slip sleeve; 2. Latch; 3. Limiting member; 31. Block; 32. Snap-in groove; 33. Ring groove; 35. Rubber gasket; 36. Connecting block; 37. Dial block. DETAILED DESCRIPTION
[0038] The present application is further described in detail below with reference to the accompanying drawings and embodiments.
[0039] The embodiment of the present application discloses a municipal water supply maintenance tool. Figure 1 , Figure 2The municipal water supply maintenance tool includes a wrench body 1, which includes a wrench head 11 and a handle 12. The wrench head 11 includes a main seat 111, a fixed wrench lip 112, a movable wrench lip 113 and a driving mechanism 114 for driving the movable wrench lip 113 to slide. The fixed wrench lip 112 is fixed on the main seat 111, and the movable wrench lip 113 is slidably connected to the main seat 111. A through hole 116 is opened on the side of the main seat 111. The driving mechanism 114 includes a worm 1141 and a rack 1142, and the rack 1142 is slidably connected in the through hole 116. The movable wrench lip 113 is fixed to the rack 1142 at one end close to the worm 1141, and the movable wrench lip 113 slides in a direction away from or close to the fixed wrench lip 112. The main seat 111 is provided with a through slot 115 for accommodating the worm 1141 . The worm 1141 is rotatably connected in the through slot 115 , and the rack 1142 is meshed with the worm 1141 for transmission.
[0040] Reference Figure 1 A rotation hole for the bolt 2 to pass through is opened at the end of the handle 12. The bolt 2 is fixed on the main seat 111. The bolt 2 passes through the rotation hole and is rotatably connected to the end of the handle 12. The handle 12 includes a handle body 121 and a handle cover 122.
[0041] Reference Figure 1 , Figure 3 The handle 12 is slidably connected to the limiting member 3, and the handle body 121 is provided with a sliding groove 13 for the limiting member 3 to slide, and the handle cover 122 closes the sliding groove 13. The limiting member 3 slides away from or close to the latch 2 inside the handle 12. When the limiting member 3 slides close to the latch 2, the limiting member 3 limits the relative rotation of the main seat 111 and the handle 12.
[0042] Reference Figure 3 , Figure 4 The limiting member 3 includes a clamping block 31, a connecting block 36 and a shifting block 37. Two clamping blocks 31 are provided. The two clamping blocks 31 are fixed to the ends of the connecting block 36 close to the bolt 2. The two clamping blocks 31 are close to the two ends of the bolt 2. A clamping groove 32 for clamping the bolt 2 is opened on the clamping block 31. The groove wall of the clamping groove 32 is used to abut the bolt 2. The connecting block 36 slides in the sliding groove 13. The shifting block 37 is fixed on the connecting block 36. The shifting block 37 is slidably connected to the outer wall of the handle 12. The handle cover 122 is provided with a strip groove 14 for sliding the shifting block 37.
[0043] Reference Figure 3 , Figure 4 , the two ends of the bolt 2 located inside the handle 12 are provided with annular grooves 33. When the limiter 3 slides to a position close to the bolt 2, the inner wall of the clamping groove 32 is an arc shape matching the groove wall of the annular groove 33. The clamping groove 32 abuts against the groove wall of the annular groove 33 to limit the rotation of the bolt 2. A rubber gasket 35 is fixed to the side wall of the clamping groove 32, and the rubber gasket 35 abuts against the bolt 2 to limit the rotation of the bolt 2.
[0044] Reference Figure 2 , Figure 5 The driving mechanism 114 further includes a stepper motor 1143. A placement slot 117 is provided on the side of the worm 1141. The stepper motor 1143 is fixed in the placement slot 117. The motor shaft of the stepper motor 1143 is coaxially fixed with the worm 1141. The stepper motor 1143 rotates forward and reversely to drive the worm 1141 to rotate forward and reversely, so that the movable plate lip can be clamped and released, thereby making it easier for the movable lip 113 to slide.
[0045] Reference Figure 1 , Figure 2 , Figure 5 The outer wall of the handle 12 is provided with a control button for controlling the opening and closing of the stepping motor 1143. The control button includes a clamping button 15 and a release button 16. The clamping button 15 and the release button 16 control the forward and reverse rotation of the stepping motor 1143. The control button is electrically connected with wires. The end of the main seat 111 close to the handle 12 is provided with a jack through which the power line passes. The handle 12 is provided with a wiring hole. The wire enters the placement groove 117 through the jack and the wiring hole and is electrically connected to the stepping motor 1143. A grip 17 is fixed to the end of the handle 12 away from the support, and an anti-slip cover 18 is sleeved on the grip 17.
[0046] The implementation principle of a municipal water supply maintenance tool in the embodiment of the present application is as follows: the user can adjust the angle between the wrench head 11 and the handle 12 according to the needs of the occasion, and slide the shift block 37 on the handle cover 122 toward the direction close to the latch 2 to make the block 31 firmly abut against the latch 2, limiting the rotation of the latch 2. The handle 12 is fixed at a required angle to perform municipal water supply maintenance work. At the same time, the user can press the clamping button 15 or the release button 16 as needed, and the motor rotation drives the worm 1141 to realize forward and reverse rotation, so that the movable lip 113 can well clamp or loosen the parts that need to be repaired. The fixing of the angle between the handle 12 and the wrench head 11 provides convenience for the user to work in a small special space.
[0047] In summary, the fixing of the angle between the handle 12 and the wrench head 11 meets the working requirements of the user in narrow special occasions.
[0048] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. A municipal water supply maintenance tool, comprising a wrench body (1), the wrench body (1) comprising a wrench head (11) and a handle (12), the wrench head (11) comprising a main seat (111), a fixed wrench lip (112), a movable wrench lip (113) and a driving mechanism (114) for driving the movable wrench lip (113) to slide, the fixed wrench lip (112) being fixed to the main seat (111), the movable wrench lip (113) being slidably connected to the main seat (111), the movable wrench lip (113) sliding away from or close to the fixed wrench lip (112), characterized in that: The main seat (111) and the end of the handle (12) are rotatably connected by arranging a latch (2); a limit member (3) is arranged inside the handle (12); the limit member (3) slides inside the handle (12); the sliding direction of the limit member (3) is away from or close to the latch (2); when the limit member (3) slides close to the latch (2), the limit member (3) limits the relative rotation of the main seat (111) and the handle (12).
2. The municipal water supply maintenance tool according to claim 1, characterized in that: The limiting member (3) comprises a clamping block (31), a connecting block (36) and a shifting block (37); the clamping block (31) is located at the end of the connecting block (36) close to the latch (2); a clamping groove (32) for the latch (2) to be clamped is provided on the clamping block (31); the connecting block (36) is slidably arranged in the handle (12); the shifting block (37) is fixed on the connecting block (36); and the shifting block (37) is slidably arranged on the outer wall of the handle (12); the latch (2) is fixed on the main seat (111); and the latch (2) is rotatably connected to the handle (12).
3. The municipal water supply maintenance tool according to claim 2, characterized in that: The portion of the latch pin (2) located inside the handle (12) is provided with an annular groove (33); when the limiting member (3) slides to a position close to the latch pin (2), the engaging groove (32) abuts against the groove wall of the annular groove (33) to limit the rotation of the latch pin (2).
4. The municipal water supply maintenance tool according to claim 2, characterized in that: The inner wall of the clamping groove (32) is in an arc shape matching the outer wall of the latch (2).
5. The municipal water supply maintenance tool according to claim 3, characterized in that: The handle (12) comprises a handle body (121) and a handle cover (122); the handle body (121) is provided with a sliding groove (13) for the limiter (3) to slide; the handle cover (122) closes the sliding groove (13); and the handle cover (122) is provided with a strip groove (14) for the shifting block (37) to slide; The inner wall of the clamping groove (32) is provided with a rubber gasket (35), the rubber gasket (35) is semicircular, and the rubber gasket (35) abuts against the plug pin (2) to limit the rotation of the plug pin (2).
6. The municipal water supply maintenance tool according to claim 1, characterized in that: The main seat (111) is provided with a through slot (115) for accommodating a driving mechanism (114). The driving mechanism (114) comprises a worm (1141) and a rack (1142). The worm (1141) is rotatably arranged in the through slot (115). A through hole (116) is provided on the side of the main seat (111). A rack (1142) is fixed to one end of the movable lever lip (113) close to the worm (1141). The rack (1142) is slidably arranged in the through hole (116). The rack (1142) is meshed with the worm (1141) for transmission.
7. The municipal water supply maintenance tool according to claim 6, characterized in that: The driving mechanism (114) further comprises a stepping motor (1143); a placement slot (117) is provided on the side wall of the through slot (115); the stepping motor (1143) is arranged in the placement slot (117); the motor shaft of the stepping motor (1143) is coaxially fixed with the worm (1141); and the stepping motor (1143) drives the worm (1141) to rotate forward and reverse in forward and reverse directions.
8. The municipal water supply maintenance tool according to claim 1, characterized in that: The handle (12) is provided with a control button for opening and closing the stepping motor (1143), and the control button comprises a clamping button (15) and a releasing button (16), and the clamping button (15) and the releasing button (16) control the forward and reverse rotation of the stepping motor (1143), and the control button is electrically connected to an electric wire, and the electric wire is electrically connected to the stepping motor (1143).
9. The municipal water supply maintenance tool according to claim 1, characterized in that: A grip (17) is fixed to the end of the handle (12) away from the main seat (111), and an anti-slip sleeve (18) is sleeved on the grip (17).
Citation Information
Patent Citations
Municipal water supply maintenance tool
CN220534066U
Cited By
Adjustable wrench
TWI912186B