Damping lithium battery brushless wrench

Abstract

The utility model provides a damping lithium battery brushless wrench which comprises a shell and a clamping support, a handle is fixedly connected to the lower portion of the shell, a first steering assembly is fixedly connected to one end of the handle, a second steering assembly is rotationally connected to one end of the clamping support, and a second connecting pipe is fixedly connected to one end of the second steering assembly. One end of the first steering assembly is fixedly connected with a first connecting pipe, one end of the first connecting pipe is rotationally connected into the second connecting pipe, the first steering assembly and the second steering assembly comprise a first steering boss, a second steering boss and a third steering boss, one end of the third steering boss is rotationally connected to the first steering boss, and the other end of the third steering boss is rotationally connected to the second steering boss. An electromagnet I is fixedly connected into the steering boss II; the wrench can be flexibly rotated to adjust the direction through the first steering boss, the second steering boss and the third steering boss which rotate relatively in the first steering assembly and the second steering assembly, use is more convenient, and meanwhile the first steering boss, the second steering boss and the third steering boss can be locked to reduce vibration during use.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery wrenches, in particular to a shock-absorbing lithium battery brushless wrench. Background Art

[0002] An electric wrench is an electric tool for tightening and loosening bolts and nuts. It is a tool for tightening high-strength bolts. It is used for the initial tightening, final tightening, and initial tightening of torsion shear type high-strength bolts in the installation of large hexagonal head high-strength bolts in steel structure bridges, factory buildings, chemical industry, and power generation equipment, as well as occasions with strict requirements on the torque or axial force of bolt fasteners. A lithium-ion wrench is an electric wrench that uses a lithium battery as a power source. When an electric wrench is used, the motor will impact the bolt and cause vibration to the hand. After long-term use, it will increase the fatigue of the user's hands and wrists, and seriously cause joint wear. Therefore, a lithium-ion wrench that can reduce vibration is needed.

[0003] After searching, the Chinese patent publication number CN220197530U discloses an electric wrench with a shock-absorbing function, including an electric wrench body, a sleeve ring is arranged on the left side of the electric wrench body, a handle is arranged at the bottom of the electric wrench body, a battery is arranged at the bottom of the handle, a shock-absorbing ring located on the right side of the handle is fixedly connected to the surface of the electric wrench body through a combining rod, and a bonding plate is fixedly connected to the inner wall of the shock-absorbing ring through a shock-absorbing spring.

[0004] Aiming at the problem that the shock-absorbing collar can reduce vibration in the above-mentioned technology, it is very inconvenient to operate the fixedly connected shock-absorbing collar; therefore, a shock-absorbing lithium-electric brushless wrench is proposed. Utility Model Content

[0005] In view of this, the embodiments of the present utility model hope to provide a shock-absorbing lithium-electric brushless wrench to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial choice.

[0006] The technical solution of the embodiment of the utility model is achieved as follows: it includes a shell and a clamping bracket, a handle is fixedly connected to the lower part of the shell, one end of the handle is fixedly connected to a steering component 1, one end of the clamping bracket is rotatably connected to a steering component 2, one end of the steering component 2 is fixedly connected to a connecting tube 2, one end of the steering component 1 is fixedly connected to a connecting tube 1, one end of the connecting tube 1 is rotatably connected to the inside of the connecting tube 2, the steering component 1 and the steering component 2 include a steering boss 1, a steering boss 2 and a steering boss 3, one end of the steering boss 3 is rotatably connected to the steering boss 1, the other end of the steering boss 3 is rotatably connected to the steering boss 2, an electromagnet 1 is fixedly connected to the inside of the steering boss 2, one end of the steering boss 1 is slidably connected to a positioning rod 1, and one end of the positioning rod 1 is movably connected to one end of the steering boss 3.

[0007] In some embodiments, one end of the positioning rod 1 is fixedly connected to a positioning plate 1 and a spring 2, a positioning plate 2 is fixedly connected below the positioning rod 1, one end of the spring 2 is fixedly connected to the inside of the steering boss 1, a plurality of positioning grooves 1 are opened above the steering boss 3, and a plurality of positioning grooves 2 are opened at one end of the steering boss 2.

[0008] In some embodiments, a buffer layer is fixedly connected to the inside of the shell, one end of the buffer layer is fixedly connected to a motor, a trigger is slidably connected to one side of the shell, and one end of the trigger is electrically connected to the motor and an electromagnet.

[0009] In some embodiments, one end of the clamping bracket is slidably connected to a clamping ring, and both sides of the clamping ring are fixedly connected to a spring.

[0010] In some embodiments, the connecting tube 1 is fixedly connected to an electromagnet 2 inside, one end of the connecting tube 1 is slidably connected to a positioning rod 2, and one end of the positioning rod 2 and the connecting tube 1 are fixedly connected to a spring 3.

[0011] In some embodiments, one end of the connecting tube 2 is rotatably connected to the limiting boss, and one end of the connecting tube 1 is slidably connected to the limiting boss.

[0012] In some embodiments, a plurality of rod positioning grooves are formed at one end of the limiting boss.

[0013] In some embodiments, one end of the clamping ring is fixedly connected to a buffer cotton.

[0014] The embodiment of the utility model has the following advantages due to the adoption of the above technical solution:

[0015] The utility model can flexibly rotate the wrench to adjust the direction by relatively rotating the steering boss 1, the steering boss 2 and the steering boss 3 in the steering assembly 1 and the steering assembly 2, which is more convenient to use. At the same time, the steering boss 1, the steering boss 2 and the steering boss 3 can be locked during use to reduce vibration.

[0016] The electromagnet 1 and the electromagnet 2 can be started synchronously with the motor to quickly lock the steering boss 1, the steering boss 2 and the steering boss 3, which is easy to operate;

[0017] The clamping ring can be clamped and fixed on the arm from both sides, making installation more convenient.

[0018] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or technical descriptions will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is the main structural diagram of the utility model.

[0021] Figure 2 This is a structural diagram of the clamping ring installation of the utility model.

[0022] Figure 3 The internal structure of the steering assembly of the utility model Figure 1 .

[0023] Figure 4 The internal structure of the steering assembly of the utility model Figure 2 .

[0024] Figure 5 This is a structural diagram of the connecting pipe of the utility model.

[0025] Reference numerals:

[0026] 1. Shell; 2. Motor; 3. Buffer layer; 4. Handle; 5. Trigger; 6. Steering assembly 1; 7. Connecting pipe 1; 8. Connecting pipe 2; 9. Steering assembly 2; 10. Clamping ring; 11. Clamping bracket; 12. Spring 1; 13. Buffer cotton; 14. Steering boss 1; 15. Steering boss 2; 16. Electromagnet 1; 17. Positioning rod 1; 18. Positioning plate 1; 19. Spring 2; 20. Positioning slot 1; 21. Positioning slot 2; 22. Positioning plate 2; 23. Limiting boss; 24. Electromagnet 2; 25. Positioning rod 2; 26. Spring 3; 27. Rod positioning slot; 28. Steering boss 3. DETAILED DESCRIPTION

[0027] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0028] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings. Embodiment 1:

[0029] like Figure 1-5As shown, the shock-absorbing lithium-powered brushless wrench includes a shell 1 and a clamping bracket 11, a handle 4 is fixedly connected to the lower side of the shell 1, one end of the handle 4 is fixedly connected to a steering assembly 6, one end of the clamping bracket 11 is rotatably connected to a steering assembly 2 9, one end of the steering assembly 2 9 is fixedly connected to a connecting pipe 2 8, one end of the steering assembly 6 is fixedly connected to a connecting pipe 7, one end of the connecting pipe 7 is rotatably connected to the connecting pipe 2 8, the steering assembly 1 6 and the steering assembly 2 9 include a steering boss 1 14, a steering boss 2 15 and a steering boss 3 28, one end of the steering boss 3 28 is rotatably connected to the steering boss 1 14, the other end of the steering boss 3 28 is rotatably connected to the steering boss 2 15, an electromagnet 16 is fixedly connected inside the steering boss 2 15, one end of the steering boss 14 is slidably connected to a positioning rod 17, and one end of the positioning rod 17 is movably connected to one end of the steering boss 3 28.

[0030] One end of the positioning rod 17 is fixedly connected to a positioning plate 18 and a spring 2 19, a positioning plate 22 is fixedly connected below the positioning rod 17, one end of the spring 2 19 is fixedly connected to the inside of the steering boss 14, a plurality of positioning grooves 1 20 are opened above the steering boss 3 28, and a plurality of positioning grooves 21 are opened at one end of the steering boss 2 15.

[0031] When in use, the clamping bracket 11 can be fixed on the user's forearm, and the user holds the handle 4. At this time, the steering boss 14, steering boss 2 15 and steering boss 3 28 that rotate relatively in the steering component 1 6 and the steering component 2 9 can flexibly rotate the wrench to adjust the direction, which is more convenient to use.

[0032] When the wrench is started to work, the electromagnet 16 can be started at the same time as the wrench is started. At this time, the electromagnet 16 attracts the positioning plate 18 and the positioning plate 22 to descend, the positioning plate 18 is inserted into the positioning groove 1 20, and the positioning plate 22 is inserted into the positioning groove 21, so that the steering boss 14, the steering boss 2 15 and the steering boss 3 28 are mutually locked. When the wrench is working, it can be fixed on the arm to reduce the vibration of the wrist and hand, thereby reducing the fatigue of the user.

[0033] In this embodiment, a buffer layer 3 is fixedly connected to the inside of the shell 1. The buffer layer 3 is a shock-absorbing material that can reduce vibration. One end of the buffer layer 3 is fixedly connected to the motor 2. A trigger 5 is slidably connected to one side of the shell 1. One end of the trigger 5 is electrically connected to the motor 2 and the electromagnet 16.

[0034] The motor 2 is preferably a brushless motor, and the trigger 5 is preferably a two-stage structure, which can start the motor 2 and the electromagnet 16 at the same time after being pressed to the bottom.

[0035] In this embodiment, one end of the clamping bracket 11 is slidably connected to a clamping ring 10, and both sides of the clamping ring 10 are fixedly connected to springs 12. The clamping ring 10 can be clamped and fixed on the arm from both sides, making installation more convenient.

[0036] In this embodiment, an electromagnet 24 is fixedly connected inside the connecting tube 17, a positioning rod 25 is slidably connected to one end of the connecting tube 17, a spring 3 26 is fixedly connected to one end of the positioning rod 25 and one end of the connecting tube 17, one end of the connecting tube 28 is rotatably connected to the limiting boss 23, and one end of the limiting boss 23 is slidably connected to the limiting boss 23; a plurality of rod positioning grooves 27 are opened at one end of the connecting tube 17.

[0037] When the electromagnet 16 is working, the electromagnet 2 24 will be started at the same time, and the positioning rod 25 will be attracted to move inward. As the positioning rod 25 is inserted into the rod positioning groove 27, the connecting pipe 1 7 and the connecting pipe 2 8 are fixed to prevent relative rotation when the wrench is started.

[0038] In this embodiment: when in use, the clamping bracket 11 can be fixed on the user's forearm, and the user holds the handle 4. At this time, the steering boss 14, steering boss 2 15 and steering boss 3 28 that rotate relatively in the steering component 1 6 and the steering component 2 9 can flexibly rotate the wrench to adjust the direction, which is more convenient to use.

[0039] When the wrench is started to work, the electromagnet 16 can be started at the same time as the wrench is started. At this time, the electromagnet 16 attracts the positioning plate 18 and the positioning plate 22 to descend, the positioning plate 18 is inserted into the positioning groove 1 20, and the positioning plate 22 is inserted into the positioning groove 21, so that the steering boss 14, the steering boss 2 15 and the steering boss 3 28 are mutually locked. When the wrench is working, it can be fixed on the arm to reduce the vibration of the wrist and hand, thereby reducing the fatigue of the user.

[0040] When the electromagnet 16 is working, the electromagnet 2 24 will be started at the same time, and the positioning rod 25 will be attracted to move inward. As the positioning rod 25 is inserted into the rod positioning groove 27, the connecting pipe 1 7 and the connecting pipe 2 8 are fixed to prevent relative rotation when the wrench is started.

[0041] The clamping ring 10 can be clamped and fixed on the arm from both sides, making installation more convenient. Embodiment 2:

[0042] Shock-absorbing lithium brushless wrench, this embodiment makes the following improvements on the basis of embodiment 1, such as Figure 1-5 As shown,

[0043] In this embodiment, one end of the clamping ring 10 is fixedly connected with a cushioning cotton 13, and the cushioning cotton 13 can improve the user experience when the arms are not covered with clothes in summer and prevent the user's arms from being crushed.

[0044] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A shock-absorbing lithium-electric brushless wrench, comprising a housing (1) and a clamping bracket (11), characterized in that: A handle (4) is fixedly connected to the lower part of the housing (1), one end of the handle (4) is fixedly connected to a steering assembly (6), one end of the clamping bracket (11) is rotatably connected to a steering assembly (9), one end of the steering assembly (9) is fixedly connected to a connecting pipe (8), one end of the steering assembly (6) is fixedly connected to a connecting pipe (7), one end of the connecting pipe (7) is rotatably connected to the inside of the connecting pipe (8), the steering assembly (6) and the steering assembly (9) comprise a steering boss (14), a steering boss (15) and a steering boss (28), one end of the steering boss (28) is rotatably connected to the steering boss (14), the other end of the steering boss (28) is rotatably connected to the steering boss (15), an electromagnet (16) is fixedly connected inside the steering boss (15), one end of the steering boss (14) is slidably connected to a positioning rod (17), one end of the positioning rod (17) is movably connected to one end of the steering boss (28).

2. The shock-absorbing lithium-electric brushless wrench according to claim 1 is characterized in that: One end of the positioning rod 1 (17) is fixedly connected to a positioning plate 1 (18) and a spring 2 (19); a positioning plate 2 (22) is fixedly connected below the positioning rod 1 (17); one end of the spring 2 (19) is fixedly connected to the inside of the steering boss 1 (14); a plurality of positioning grooves 1 (20) are formed above the steering boss 3 (28); and a plurality of positioning grooves 2 (21) are formed at one end of the steering boss 2 (15).

3. The shock-absorbing lithium-electric brushless wrench according to claim 2 is characterized in that: A buffer layer (3) is fixedly connected to the inside of the housing (1), one end of the buffer layer (3) is fixedly connected to the motor (2), one side of the housing (1) is slidably connected to a trigger (5), one end of the trigger (5) is electrically connected to the motor (2) and an electromagnet (16).

4. The shock-absorbing lithium-electric brushless wrench according to claim 1 is characterized in that: One end of the clamping bracket (11) is slidably connected to a clamping ring (10), and both sides of the clamping ring (10) are fixedly connected to a spring 1 (12).

5. The shock-absorbing lithium-electric brushless wrench according to claim 4 is characterized in that: The connecting tube 1 (7) is fixedly connected with an electromagnet 2 (24) inside, one end of the connecting tube 1 (7) is slidably connected with a positioning rod 2 (25), and one end of the positioning rod 2 (25) and one end of the connecting tube 1 (7) are fixedly connected with a spring 3 (26).

6. The shock-absorbing lithium-electric brushless wrench according to claim 5 is characterized in that: One end of the second connecting pipe (8) is rotatably connected to the limiting boss (23), and one end of the first connecting pipe (7) is slidably connected to the limiting boss (23).

7. The shock-absorbing lithium-electric brushless wrench according to claim 6 is characterized in that: A plurality of rod positioning grooves (27) are formed at one end of the limiting boss (23).

8. The shock-absorbing lithium-electric brushless wrench according to claim 4, characterized in that: One end of the clamping ring (10) is fixedly connected to a cushioning cotton (13).

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