Electric wrench with damping device

By designing a split structure and limited shock absorber in the electric wrench, the problem of the handle of the electric wrench being easily broken and the high-speed vibration reducing service life is solved, achieving more convenient maintenance and longer service life.

CN223029570UActive Publication Date: 2025-06-27范新兵
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Patent Information

Application Number
CN202421919650.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-08
Publication Date
2025-06-27
Estimated Expiration
2034-08-08

AI Technical Summary

Technical Problem

Existing electric wrenches are prone to falling and the handle breaks due to falling when operating at high altitude, which is inconvenient to repair, and vibration during high-speed operation will reduce the service life of the controller and battery pack.

Method used

An electric wrench with shock absorber is designed, adopting a split structure design, with a limit shock absorber ring set between the controller joint and the handle, and the limit shock absorber ring made of soft materials serves as a buffering function to protect the electronic chip control panel and battery pack.

Benefits of technology

The buffering effect is achieved when falling at high altitudes is simplified, the process of repairing and replacing the controller and extending the service life of the controller and battery pack.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223029570U_ABST
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Abstract

The utility model discloses an electric wrench with a damping device, which relates to the field of electric wrenches and comprises a handle, a driving body, an aluminum head, a rotating head, a controller connector and a battery pack, the driving body is arranged above the handle, the front end of the driving body is connected with the aluminum head, the rotating head is arranged in the aluminum head, one end of the rotating head is connected with the driving body, and the other end of the rotating head is connected with the controller connector. A first positioning groove ring is arranged below the handle, a positioning convex ring is arranged below the first positioning groove ring, a plurality of first positioning teeth are arranged on the positioning convex ring, a controller connector is arranged below the handle, and a battery pack is arranged below the controller connector. The controller is reasonable in structural design, easy to install and convenient to use, the controller connector and the handle are of a split structural design, the controller is more convenient to maintain and replace, the limiting damping ring is arranged between the controller connector and the handle, the buffering effect can be achieved when the controller falls off from high altitude, and the service life of the controller is prolonged. The electronic chip control panel and the battery pack can be effectively protected by adding the limiting damping ring, and the damping effect is achieved.
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Description

Technical Field:

[0001] The utility model relates to an electric wrench with a shock absorption device, belonging to the technical field of electric wrenches. Background Art:

[0002] At present, the driving body housing, wrench handle and controller connector of the electric wrench on the market adopt an integrated structure design, and this design has the following problems: 1. When working at high altitude, the handle of the electric wrench is easy to break when it falls from a high altitude, and it is extremely inconvenient to repair, and the whole housing needs to be removed; 2. The electric wrench generates torque through an electric motor built in the driving body, and the transmission device in the aluminum shell head transmits power to the rotating body wrench head to achieve fast and efficient fastening operations. The electric motor is connected to the electronic chip controller on the controller connector through a power cord passing through the handle. There is a power interface in the controller connector, and the battery pack is inserted into the power interface to complete power-on. When the electric motor is running at high speed, the whole machine is in a vibrating state. At this time, the controller and the battery pack will also vibrate, and the high-intensity vibration will reduce the service life of the controller and the battery pack. Therefore, there is an urgent need for an electric wrench with a shock absorption device to solve the above problems. Content of the Utility Model:

[0003] Aiming at the above problems, the technical problem to be solved by the utility model is to provide an electric wrench with a shock absorption device.

[0004] An electric wrench with a shock absorption device of the utility model comprises a handle, a driving body, an aluminum head, a rotating head, a controller connector and a battery pack. A driving body is arranged above the handle, an aluminum head is connected to the front end of the driving body, a rotating head is arranged in the aluminum head, one end of the rotating head is connected to the driving body, a positioning groove ring one is arranged below the handle, a positioning convex ring is arranged below the positioning groove ring one, and a plurality of positioning teeth one are arranged on the positioning convex ring. A controller connector is arranged below the handle, and a battery pack is arranged below the controller connector;

[0005] The controller connector is composed of a connector one and a connector two. Positioning groove rings two are arranged on the inner sides of the connector one and the connector two, and a plurality of positioning tooth grooves one are arranged on the positioning groove rings two. A limiting shock absorption ring is arranged between the two positioning groove rings two. A plurality of positioning tooth grooves two are arranged on the inner wall of the limiting shock absorption ring and are clamped and fixed with the plurality of positioning teeth one on the positioning convex ring. A plurality of positioning teeth two are arranged on the outer side of the limiting shock absorption ring and are connected with the plurality of positioning tooth grooves one on the positioning groove rings two. An electronic chip controller is arranged in the connector one and the connector two, and a power connector is arranged below the electronic chip controller.

[0006] Preferably, the limiting shock-absorbing ring is composed of a first shock-absorbing ring and a second shock-absorbing ring. The first shock-absorbing ring and the second shock-absorbing ring are respectively arranged in the positioning groove ring two inside the first joint and the second joint, and are clamped and fixed on the positioning groove ring one under the handle.

[0007] Preferably, the limiting shock-absorbing ring is made of a soft material.

[0008] The beneficial effects of the utility model are as follows: Its structure is reasonably designed, simple to install and convenient to use. The controller joint and the handle adopt a split structure design, which makes it more convenient to repair and replace the controller. A limiting shock-absorbing ring is arranged between the controller joint and the handle, which can play a buffering role when falling from a high altitude. The addition of the limiting shock-absorbing ring can effectively protect the electronic chip control panel and the battery pack, achieving the shock-absorbing effect. Description of the drawings:

[0009] For ease of explanation, the present utility model will be described in detail by the following specific embodiments and accompanying drawings.

[0010] Figure 1 is the structural schematic diagram of the present utility model;

[0011] Figure 2 is the partial exploded view of the present utility model;

[0012] Figure 3 is Figure 2 the exploded view of;

[0013] Figure 4 is the internal structural schematic diagram of the present utility model.

[0014] 1 - Handle; 101 - Positioning groove ring one; 102 - Positioning convex ring; 1021 - Positioning tooth one; 2 - Driving body; 3 - Aluminum head; 4 - Rotating head; 5 - Controller joint; 501 - First joint; 502 - Second joint; 503 - Positioning groove ring two; 5031 - Positioning tooth groove one; 504 - Limiting shock-absorbing ring; 5041 - Positioning tooth groove two; 5042 - Positioning tooth two; 5043 - First shock-absorbing ring; 5044 - Second shock-absorbing ring; 505 - Electronic chip controller; 506 - Power supply joint; 6 - Battery pack. Detailed implementation manners:

[0015] Such as Figures 1-4As shown in the figure, the present specific embodiment adopts the following technical solution: It includes a handle 1, a driving body 2, an aluminum head 3, a rotating head 4, a controller connector 5, and a battery pack 6. A driving body 2 is arranged above the handle 1, an aluminum head 3 is connected to the front end of the driving body 2, a rotating head 4 is arranged inside the aluminum head 3, one end of the rotating head 4 is connected to the driving body 2, a positioning groove ring 101 is arranged below the handle 1, a positioning convex ring 102 is arranged below the positioning groove ring 101, and a number of first positioning teeth 1021 are arranged on the positioning convex ring 102. A controller connector 5 is arranged below the handle 1, and a battery pack 6 is arranged below the controller connector 5;

[0016] The controller connector 5 is composed of a first connector 501 and a second connector 502. Positioning groove rings 503 are arranged on the inner sides of the first connector 501 and the second connector 502, and a number of first positioning tooth grooves 5031 are arranged on the positioning groove rings 503. A limiting and shock-absorbing ring 504 is arranged between the two positioning groove rings 503. A number of second positioning tooth grooves 5041 are arranged on the inner wall of the limiting and shock-absorbing ring 504 and are clamped and fixed with the number of first positioning teeth 1021 on the positioning convex ring 102. A number of second positioning teeth 5042 are arranged on the outer side of the limiting and shock-absorbing ring 504 and are connected to the number of first positioning tooth grooves 5031 on the positioning groove rings 503. This design can effectively prevent the phenomenon that the controller connector 5 rotates after being connected to the handle 1 and plays a role in left and right positioning. The up and down positioning is achieved through the positioning groove ring 101 of the handle 1 and the positioning groove rings 503 of the first connector 501 and the second connector 502. An electronic chip controller 505 is arranged inside the first connector 501 and the second connector 502, and a power supply connector 506 is arranged below the electronic chip controller 505.

[0017] The limiting and shock-absorbing ring 504 is composed of a first shock-absorbing ring 5043 and a second shock-absorbing ring 5044. The first shock-absorbing ring 5043 and the second shock-absorbing ring 5044 are respectively arranged in the positioning groove rings 503 on the inner sides of the first connector 501 and the second connector 502 and are clamped and fixed on the positioning groove ring 101 below the handle 1.

[0018] The limiting and shock-absorbing ring 504 is made of a soft material and can play a role in shock absorption and buffering.

[0019] The structure of the present specific embodiment is reasonably designed, simple to install, and convenient to use. The controller connector and the handle adopt a split structure design, which is more convenient for repairing and replacing the controller. A limiting and shock-absorbing ring is arranged between the controller connector and the handle, which can play a buffering role when falling from a height. The addition of the limiting and shock-absorbing ring can effectively protect the electronic chip control panel and the battery pack and achieve the shock absorption effect.

[0020] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments, and what is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. An electric wrench with a shock absorbing device, characterized in that: It comprises a handle (1), a driving body (2), an aluminum head (3), a rotating head (4), a controller connector (5), and a battery pack (6); the driving body (2) is arranged above the handle (1); the front end of the driving body (2) is connected to the aluminum head (3); the rotating head (4) is arranged inside the aluminum head (3); one end of the rotating head (4) is connected to the driving body (2); a positioning groove ring (101) is arranged below the handle (1); a positioning convex ring (102) is arranged below the positioning groove ring (101); a plurality of positioning teeth (1021) are arranged on the positioning convex ring (102); a controller connector (5) is arranged below the handle (1); and a battery pack (6) is arranged below the controller connector (5); The controller connector (5) is composed of a connector 1 (501) and a connector 2 (502). The inner sides of the connector 1 (501) and the connector 2 (502) are both provided with a positioning groove ring 2 (503). The positioning groove ring 2 (503) is provided with a plurality of positioning tooth grooves 1 (5031). A limited position damping ring (504) is provided between the two positioning groove rings 2 (503). The inner wall of the limited position damping ring (504) is provided with a plurality of positioning tooth grooves 2 (5041). The plurality of first positioning teeth (1021) on the positioning convex ring (102) are clamped and fixed, and the outer side of the limiting damping ring (504) is provided with a plurality of second positioning teeth (5042), which are connected with a plurality of first positioning tooth grooves (5031) on the second positioning groove ring (503). An electronic chip controller (505) is provided in the first connector (501) and the second connector (502), and a power connector (506) is provided below the electronic chip controller (505).

2. The electric wrench with a shock absorbing device according to claim 1, characterized in that: The position limiting shock absorbing ring (504) is composed of a shock absorbing ring 1 (5043) and a shock absorbing ring 2 (5044). The shock absorbing ring 1 (5043) and the shock absorbing ring 2 (5044) are respectively arranged in the positioning groove ring 2 (503) on the inner side of the joint 1 (501) and the joint 2 (502), and are clamped and fixed on the positioning groove ring 1 (101) below the handle (1).

3. The electric wrench with a shock absorbing device according to claim 1, characterized in that: The limiting shock-absorbing ring (504) is made of soft material.