Electric wrench capable of assisting in positioning

Abstract

The utility model discloses an electric wrench capable of assisting in positioning, and relates to the technical field of electric wrench assisting in positioning, the electric wrench comprises a motor main body, the outer wall of the motor main body is fixedly connected with a positioning assembly, the positioning assembly comprises a limiting ring and a movable ring, the limiting ring is fixedly installed on the outer wall of a shell of the motor main body, and the movable ring is fixedly installed on the outer wall of the shell of the motor main body. The positioning assembly is arranged on the outer wall of the motor body, one end of the movable ring in the positioning assembly can be directly attached to the surface of a workpiece in the using process, the auxiliary positioning effect is achieved, the motor body is made to be in the vertical state, the diameter of the movable ring is larger than that of an electric wrench, normal operation cannot be affected, and the service life of the electric wrench is prolonged. And the movable ring can move in the direction of the limiting ring, the stability of the positioning assembly is guaranteed, meanwhile, it is guaranteed that the motor body and the bolt or the nut are in a vertical butt joint state all the time, and the situation that the electric wrench inclines is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric wrench auxiliary positioning technical field especially, relates to a kind of electric wrench of auxiliary positioning. BACKGROUND

[0002] Electric wrench is the electric tool of screwing and unscrewing bolt and nut, and is a kind of tool for tightening high-strength bolt.

[0003] As the publication number CN215394921U discloses a kind of electric wrench with auxiliary positioning device, including electric wrench, auxiliary positioning device, auxiliary positioning device includes installation sleeve, damping device, rotating platform, pivot, telescopic link, ball hinge, antiskid support, installation sleeve is set on electric wrench, installation sleeve is set with damping device on the side away from electric wrench, damping device other side is connected rotating platform, rotating platform central portion is provided with wrench through-hole, rotating platform other side is connected with the one end of telescopic link by pivot, the other end of telescopic link is connected with antiskid support by ball hinge.

[0004] But in prior art, when using electric wrench, it is manually operated, in the process of actual use, the angle of electric wrench needs to be controlled, when excessive force or too light occurs, the problem of electric wrench tilting is prone to occur, at this time, the condition that cannot be stably connected with bolt or nut is prone to occur, which will directly affect the state of bolt tightening. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problem of electric wrench tilting when excessive force or too light occurs in prior art, and provides an electric wrench with auxiliary positioning.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an electric wrench with auxiliary positioning, comprising a motor body, a positioning assembly is fixedly connected to the outer wall of the motor body;

[0007] The positioning assembly comprises a limiting ring and a movable ring, the limiting ring is fixedly installed on the outer wall of the motor body shell, the inner side of the movable ring is fixedly connected with a connecting block, the connecting block is slidingly connected in the inside of the limiting ring, a strip-shaped hole is formed at the intersection of the limiting ring and the connecting block, a tension spring is fixedly connected to the upper surface of the connecting block, one end of the tension spring is fixedly connected to the hole wall of the strip-shaped hole.

[0008] Preferably, a guide rod is fixedly installed on the inner wall of the strip-shaped hole, and the connecting block is slidingly connected to the outer wall of the guide rod.

[0009] Preferably, the tension spring is sleeved on the outer wall of the guide rod, and a groove is formed at the edge of the movable ring.

[0010] Preferably, a convex block is fixedly installed on the outer wall of the limiting ring, and a handrail is rotatably connected to the top of the convex block.

[0011] Preferably, an anti-skid sleeve is fixedly installed on the outer wall of the handrail, and the handrail is located on the side of the motor body.

[0012] Preferably, a notch is formed at the joint of the handrail and the convex block, and a clamping opening is formed at the top of the movable ring.

[0013] Preferably, a handle is fixedly connected to the bottom of the motor body, and a battery module is movably connected to the bottom of the handle.

[0014] Compared with the prior art, the utility model has the advantages and positive effects that:

[0015] 1、In the utility model, one end of the movable ring of the positioning assembly can be directly attached to the surface of a workpiece in the process of use, plays an auxiliary positioning role, makes the motor body in a vertical state, and the diameter of the movable ring is larger than that of the electric wrench, does not affect normal operation, and the movable ring can move along the direction of the limiting ring, guarantees the stability of the positioning assembly, guarantees that the motor body and the bolt or the nut are always in a vertical butt joint state, and the electric wrench does not tilt.

[0016] 2、In the utility model, a handrail is additionally installed on the side of the limiting ring, in the process of actual operation, a user can hold the handle with one hand and hold the handrail with the other hand, expands the control area of the motor body, and further improves the stability of the entire electric wrench. DRAWINGS

[0017] Figure 1 A three-dimensional structure schematic diagram of the electric wrench is provided for the utility model;

[0018] Figure 2 A plane structure schematic diagram of the electric wrench is provided for the utility model;

[0019] Figure 3 A positioning assembly three-dimensional structure schematic diagram of the electric wrench is provided for the utility model;

[0020] Figure 4 A limiting ring and handrail structure split schematic diagram of the electric wrench is provided for the utility model.

[0021] Legend: 1. Handle; 2. Battery module; 3. Motor body; 4. Positioning component; 41. Limiting ring; 42. Moving ring; 43. Handrail; 44. Anti-slip sleeve; 45. Connecting block; 46. Strip hole; 47. Guide rod; 48. Tension spring; 49. Groove; 410. Protrusion; 411. Notch; 412. Bayonet. Detailed Implementation

[0022] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0023] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0024] Example 1: As Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, this utility model provides an electric wrench with assisted positioning, including a motor body 3, and a positioning component 4 fixedly connected to the outer wall of the motor body 3;

[0025] The positioning component 4 includes a limiting ring 41 and a movable ring 42. The limiting ring 41 is fixedly installed on the outer wall of the motor body 3. A connecting block 45 is fixedly connected to the inner side of the movable ring 42. The connecting block 45 is slidably connected to the inside of the limiting ring 41. A strip hole 46 is provided at the junction of the limiting ring 41 and the connecting block 45. A tension spring 48 is fixedly connected to the upper surface of the connecting block 45. One end of the tension spring 48 is fixedly connected to the wall of the strip hole 46. A guide rod 47 is fixedly installed on the inner wall of the strip hole 46. The connecting block 45 is slidably connected to the outer wall of the guide rod 47. The tension spring 48 is sleeved on the outer wall of the guide rod 47. A groove 49 is provided at the edge of the movable ring 42. A handle 1 is fixedly connected to the bottom of the motor body 3. A battery module 2 is movably connected to the bottom of the handle 1.

[0026] The specific settings and functions of this embodiment are described below. The handle 1 is located at the bottom of the motor body 3. Inside the handle 1, there is a line for connecting the motor body 3 and the battery module 2. In use, the battery module 2 supplies power to the motor body 3. The connector at the output end of the motor body 3 is connected to a bolt or nut. Then, the motor body 3 drives the connector to rotate at high speed to achieve the purpose of tightening the bolt or nut.

[0027] When the butt joint bolt or nut, first, the end of the movable ring 42 is attached to the workpiece surface, push the motor body 3, make the limiting ring 41 along the direction of the movable ring 42 moves, make the connecting piece and the bolt or nut butt joint together, in the whole process of the motor body 3 moving, the block 45 is in the strip-shaped hole 46, cooperate with the guide rod 47, can determine the moving route of the motor body 3, prevent the motor body 3 from tilting;

[0028] In the process of the motor body 3 moving, the tension spring 48 sleeved on the outer wall of the guide rod 47 is also compressed, when tightening the bolt or nut, the existence of the groove 49 can let the operator check the state of the bolt or nut, and the rebound of the subsequent tension spring 48 can quickly bounce the motor body 3 from the bolt or nut.

[0029] Embodiment two: as shown in Figure 2 、 Figure 3 and Figure 4 , the outer wall of the limiting ring 41 is fixedly installed with the lug 410, the top of the lug 410 is rotatably connected with the supporting rod 43, the outer wall of the supporting rod 43 is fixedly installed with the anti-skid sleeve 44, the supporting rod 43 is located at the side of the motor body 3, the intersection of the supporting rod 43 and the lug 410 is provided with the notch 411, and the top of the movable ring 42 is provided with the clamping hole 412.

[0030] The effect of the whole embodiment is that the lug 410 is used to connect the supporting rod 43, in the process of operation, the user can hold the handle 1 with one hand and hold the supporting rod 43 with the other hand, so as to expand the control area of the motor body 3, the anti-skid sleeve 44 on the outer wall of the supporting rod 43 can improve the friction coefficient and prevent slipping, the existence of the notch 411 provides sufficient activity space for the rotation of the supporting rod 43, so as to facilitate the user to adjust the angle of the supporting rod 43 and improve the operation comfort, and the clamping hole 412 can avoid the influence of the lug 410 on the movement of the movable ring 42.

[0031] The use method and working principle of the device are as follows: in use, the battery module 2 supplies power to the motor body 3, then one end of the movable ring 42 is attached to the workpiece surface, the motor body 3 is pushed, the limiting ring 41 is moved along the direction of the movable ring 42, the connecting piece and the bolt or nut are butt jointed together, until the lug 410 enters the clamping hole 412, then the motor body 3 drives the connecting piece to rotate at high speed, so as to tighten the bolt or nut;

[0032] In the process of operation, the user can hold the handle 1 with one hand and hold the supporting rod 43 with the other hand, so as to expand the control area of the motor body 3, when tightening the bolt or nut, the existence of the groove 49 can let the operator check the state of the bolt or nut, and the rebound of the tension spring 48 can quickly bounce the motor body 3 from the bolt or nut.

[0033] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. An electric wrench with assisted positioning, comprising a motor body (3), characterized in that: A positioning component (4) is fixedly connected to the outer wall of the motor body (3); The positioning component (4) includes a limiting ring (41) and a movable ring (42). The limiting ring (41) is fixedly installed on the outer wall of the motor body (3) housing. A connecting block (45) is fixedly connected to the inner side of the movable ring (42). The connecting block (45) is slidably connected inside the limiting ring (41). A strip hole (46) is provided at the junction of the limiting ring (41) and the connecting block (45). A tension spring (48) is fixedly connected to the upper surface of the connecting block (45). One end of the tension spring (48) is fixedly connected to the wall of the strip hole (46).

2. The electric wrench with assisted positioning according to claim 1, characterized in that: A guide rod (47) is fixedly installed on the inner wall of the strip hole (46), and the connecting block (45) is slidably connected to the outer wall of the guide rod (47).

3. The electric wrench with assisted positioning according to claim 2, characterized in that: The tension spring (48) is sleeved on the outer wall of the guide rod (47), and a groove (49) is provided at the edge of the movable ring (42).

4. The electric wrench with assisted positioning according to claim 1, characterized in that: A protrusion (410) is fixedly installed on the outer wall of the limiting ring (41), and a support rod (43) is rotatably connected to the top of the protrusion (410).

5. The electric wrench with assisted positioning according to claim 4, characterized in that: An anti-slip sleeve (44) is fixedly installed on the outer wall of the handrail (43), and the handrail (43) is located on the side of the motor body (3).

6. The electric wrench with assisted positioning according to claim 5, characterized in that: A notch (411) is provided at the junction of the handrail (43) and the protrusion (410), and a latch (412) is provided at the top of the movable ring (42).

7. The electric wrench with assisted positioning according to claim 1, characterized in that: The bottom of the motor body (3) is fixedly connected to a handle (1), and the bottom of the handle (1) is movably connected to a battery module (2).

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