TWM458276U - Torque wrench - Google Patents

Description

Torque wrench

This creation is about a torque wrench, especially a torque wrench that can adjust the torque value.

Generally, a torque wrench generally refers to a wrench that can be set to a torque value. A conventional torque wrench, as disclosed in the patent No. M364583, is provided with an elastic body between the handle and the collar to make the collar Normally, the system is engaged with the handle, and when the user wants to adjust the torque value, the force is applied to the handle so that the outer ring teeth of the handle and the inner ring teeth of the collar are not meshed by rotating the Rotate the handle to adjust the torque value.

However, if the above-mentioned torque wrench is to be adjusted for the torque value, it is necessary to continuously apply force to the handle to be rotated, and the force application is quite inconvenient, and the structure is easier to press against the handle when used. The rotation of the handle is unintended and adjusted to the required torque value. It can be seen that the structure of the conventional torque wrench is still unsatisfactory and remains to be discussed by those in the industry.

The main purpose of this creation is to provide a torque wrench that allows the user to adjust the torque setting.

In order to achieve the above object, the present invention provides a torque wrench comprising a body, a working portion, a torsion adjusting member, a rotating member, a limiting member and an elastic member. The body has an axial direction, and the working portion is provided. At one end of the body, When the working part is subjected to a torque greater than a torque setting value, an idling phenomenon occurs.

The torsion adjusting member is disposed in the body and rotatable in the axial direction, and one end of the torsion adjusting member is connected to the working portion and has a connecting portion at the opposite end.

The rotating part is coupled to the connecting portion of the torsion adjusting member in a rotationally fixed manner and has a rotational interlocking relationship. The rotating force adjusting member rotates the rotating adjusting member to change the torque setting value.

The limiting member is disposed between the rotating member and the body, and the limiting member is movable between the first position and the second position along the axial direction of the body, when the limiting member is at the first position When the position is in position, the limiting member is locked against the rotating member, so that the rotating member cannot be rotated relative to the rotating body. When the limiting member is in the second position, the limiting member is not engaged with the rotating member and the rotating member is opposite The body rotates.

The resilient member is biased between the body and the limiting member to cause the limiting member to move toward the first position.

Thereby, the torque wrench provided by the present invention is configured to displace the limiting member to the second position, so that the limiting member is not engaged with the rotating member, and the rotating member is rotatable relative to the rotating body, thereby It is quite convenient to turn the rotating member to drive the torque adjusting member to adjust the torque setting value.

The following is a description of possible implementations of the present invention by way of example only, and is not intended to limit the scope of the creation of the present invention.

Please refer to FIG. 1 and FIG. 2 . The present invention provides a torque wrench including a body 1 , a working portion 2 , a torsion adjusting member 3 , a rotating member 4 , a limiting member 5 , and An elastic member 6.

The body 1 has an axial direction. The body 1 has a handle portion 11 and a grip portion 12. The grip portion 12 is located at one end of the handle portion 11. The handle portion 11 is substantially hollow and has a rod shape. The grip 12 can be held by the user.

The working portion 2 is disposed at one end of the body. More specifically, the working portion 2 is disposed at one end of the handle portion 11 away from the grip portion 12, and the user can hold the grip portion 12 and utilize the working portion 2 Turning the screw or the like to produce a idling phenomenon when the working portion 2 is subjected to a torque greater than a torque setting value.

The torsion adjusting member 3 is disposed in the body 1 and rotatable about the axial direction. Preferably, the torsion adjusting member 3 is a rod body and is accommodated in the handle portion 11. One end of the torque adjusting member 3 The connecting portion 31 is connected to the working portion 2 and has a connecting portion 31. Preferably, the connecting portion 31 of the torsion adjusting member 3 extends from the grip portion 12, and the connecting portion 31 is provided with a first ring. The third tooth portion 311 has a plurality of axially extending teeth, and the torque adjusting member 3 is for adjusting the torque setting value.

The rotating member 4 is connected to the connecting portion 31 of the torsion adjusting member 3 in a rotationally fixed manner and has a rotationally coupled relationship. Preferably, the rotating member 4 has a through hole, and the inner peripheral wall of the through hole is provided with a fourth tooth portion 41. The third tooth portion 311 and the fourth tooth portion 41 are engaged with each other such that the rotating member 4 and the torsion adjusting member 3 have a rotational linkage relationship, and the torque adjusting member 3 is rotated relative to the body 1 by rotating the rotating member 4. The magnitude of the torque setting can be changed. In addition, the first end portion 42 of the rotating member 4 facing the end of the limiting member 5 is provided with a first tooth portion 42 surrounding the perforating hole. arrangement. Moreover, the outer surface of the rotating member 4 is formed with a groove having irregularities, and the lines are convenient for the user to rotate and have the function of stopping slip.

The limiting member 5 is disposed between the rotating member 4 and the body 1. The limiting member 5 is movable along a direction of the axial direction of the body 1 between a first position and a second position. 5, in the first position, the limiting member 5 is engaged with the rotating member 4 so that the rotating member 4 cannot rotate relative to the body 1. When the limiting member 5 is in the second position, the limiting member 5 The retracting member 5 is rotatably coupled to the main body 1. Preferably, the limiting member 5 is a ring sleeve and is formed with an accommodating space. The accommodating space is convexly formed to form a flange 51. The limiting member 5 is disposed on a surface of the rotating member 4 with a second tooth portion 52. More specifically, the second tooth portion 52 is formed on the flange 51. One side of the rotating member 4, when the limiting member 5 is in the first position, the first tooth portion 42 and the second tooth portion 52 are engaged with each other such that the rotating member 4 cannot rotate relative to the body 1. When the positional member 5 is in the second position, the first tooth portion 42 and the second tooth portion 52 are not in mesh with each other, and the rotating member 4 is rotatable relative to the body 1.

The elastic member 6 is biased between the body 1 and the limiting member 5 to move the limiting member 5 toward the first position. More specifically, the elastic member 6 is elastically biased against the flange. The shank 12 of the body 1 is disposed adjacent to a surface of the body 1 and the body 1 . Preferably, the receiving portion 12 of the body 1 is provided with a receiving slot 121 for receiving the elastic member 6 . The elastic member 6 can be, but is not limited to, a spring.

It should be noted that, in the embodiment, the outer wall of the body 1 is recessed with at least one sliding slot 13 extending in the axial direction, and the sliding slot 13 has a slot 13 a first end 131 and a second end 132, wherein the first end 131 is closer to the limiting member 5, the second end 132 is farther away from the limiting member 5, and the limiting member 5 has at least one protruding block The protrusion 53 is protruded from the inner wall of the limiting member 5, and the protrusion 53 is slidably embedded in the sliding slot 13. The convex portion 5 is convex when the limiting member 5 is in the first position. The block 53 is located at the first end 131 of the sliding slot 13 , and the bump 53 is located at the second end 132 of the sliding slot 13 when the limiting member 5 is in the second position.

In addition, the sliding slot 13 is further recessed laterally at a side wall of the second end 132 to form a receiving portion 133. When the limiting member 5 is in the second position, the body 1 can be wound around the body 1 The axial direction is rotated to be displaced to a third position. At this time, the protrusion 53 is received in the receiving portion 133, so that the limiting member 5 cannot move in the axial direction of the body 1. The rotating member 4 rotates the torque adjusting member 3 to adjust the magnitude of the torque setting value. Preferably, in the embodiment, the body 1 is recessed with two sliding slots 13 , and the two sliding slots 13 are respectively located on opposite sides of the body, and the limiting member 5 also has two protrusions 53 . The two protrusions 53 are respectively located on opposite sides of the limiting member 5, whereby the two protrusions are less likely to be detached from the receiving portion 133, so that the limiting member 5 returns to the first position, so that the locking effect is better. In other possible embodiments, the body may also be provided with one or more sliding slots and the limiting member has corresponding bumps.

In actual use, please refer to FIG. 2 to FIG. 4, because the elastic member 6 provides an elastic force to position the limiting member 5 in the first position (as shown in FIG. 3), and the first of the rotating members 4 The tooth portion 42 and the second tooth portion 52 of the limiting member 5 are engaged with each other, and the rotating member 4 cannot be rotated about the axial direction of the body 1 , and the limiting member 5 is The bump 53 is located at the first end 131 of the sliding slot 13 of the body 1. When the user wants to adjust the torque setting value, the limiting member 5 can be displaced to the second position (as shown in FIG. 4). The first tooth portion 42 of the rotating member 4 is disengaged from the second tooth portion 52 of the limiting member 5 without being engaged with each other. At this time, the protrusion 53 of the limiting member 5 is displaced to the second end 132 of the sliding slot 13 Further, as shown in FIG. 3A and FIG. 4A, when the limiting member 5 is in the second position, it can be rotated about the axial direction of the body 1 to the third position, so that the limiting member 5 is convex. The block 53 is received in the receiving portion 133 of the sliding slot 13, so that the limiting member 5 cannot move in the axial direction of the body 1, and the user can drive the rotating member 4 by rotating the rotating member 4. The adjustment member 3 is rotated to adjust the torque setting value. After the adjustment is completed, the user only needs to displace the limiting member 5 to the second position so that the protrusion 53 is not accommodated in the receiving portion 133, and the elastic member 6 is An elastic force is provided to return the limiting member 5 to the first position.

Therefore, the torque wrench provided by the present invention can be used by the user to adjust the torque setting value. When the user wants to adjust, the limiting member can be displaced to the third position to accommodate the protrusion in the receiving portion. The user can rotate the rotating member to drive the torque adjusting member to adjust the torque setting value. After the adjustment is completed, the limiting member can be returned to the first position, and the first tooth portion of the rotating member and the limit position The second tooth portions of the piece are engaged with each other such that the rotating member cannot rotate about the axial direction of the body, so that the undesired rotation of the rotating member can be avoided and the required torque setting value can be adjusted, and Maintain a stable use and effect.

In addition, since the limiting member is rotated to the second position, the limiting member can be rotated to the third position to allow the protruding portion to be received in the receiving portion, so that the limiting member is The user does not need to move to the first position at random. In this way, the user does not need to continuously apply force to the limiting member to separate the first tooth portion from the second tooth portion, so that the user can conveniently perform the adjustment. Adjust the torque setting.

In summary, the creation of a torque wrench, the structure is simple and practical, to facilitate the user to adjust the torque setting value, it is extremely progressive, in line with the relevant provisions of the Patent Law, 提起 legal patent application, please 钧As soon as the bureau approved the patent, it was really sensible.

1‧‧‧ Ontology

11‧‧‧ handle

12‧‧ ‧ grip

121‧‧‧ 容容

13‧‧‧Chute

131‧‧‧ first end

31‧‧‧Connecting Department

311‧‧‧ Third tooth

4‧‧‧Transfer

41‧‧‧fourth tooth

42‧‧‧First tooth

5‧‧‧Limited parts

132‧‧‧ second end

133‧‧‧ accommodating department

2‧‧‧Working Department

3‧‧‧Torque adjustment

51‧‧‧Flange

52‧‧‧second tooth

53‧‧‧Bumps

6‧‧‧Flexible parts

Figure 1 is a perspective view of the creation.

Figure 2 is a partial exploded view of the creation.

Figure 2A is another enlarged view of the limit member of the present invention.

Figure 3 is a cross-sectional view of the limit member of the present invention in a first position.

Figure 3A is another cross-sectional view of the limit member of the present invention in a first position.

Figure 4 is a cross-sectional view of the limit member of the present invention in a second position.

4A is a cross-sectional view of the limit member of the present invention in a third position.

12‧‧ ‧ grip

121‧‧‧ 容容

13‧‧‧Chute

131‧‧‧ first end

132‧‧‧ second end

133‧‧‧ accommodating department

3‧‧‧Torque adjustment

31‧‧‧Connecting Department

311‧‧‧ Third tooth

4‧‧‧Transfer

41‧‧‧fourth tooth

42‧‧‧First tooth

5‧‧‧Limited parts

51‧‧‧Flange

52‧‧‧second tooth

53‧‧‧Bumps

6‧‧‧Flexible parts

Claims (5)

A torque wrench includes: a body having an axial direction; a working portion disposed at one end of the body, the idling phenomenon occurs when the working portion is subjected to a torque greater than a torque setting value; and a torque adjusting member is provided Rotating in the axial direction of the body, one end of the torsion adjusting member is connected with the working portion and has a connecting portion at the opposite end; a rotating member is non-rotatable relative to the connecting portion of the torsion adjusting member Connecting and having a rotational linkage relationship, the torque adjustment member is rotated relative to the body to change the magnitude of the torque setting by rotating the rotating member; a limiting member is disposed between the rotating member and the body, the limit The member is movable between the first position and the second position along the axial direction of the body. When the limiting member is in the first position, the limiting member is engaged with the rotating member so that the rotating member cannot be opposite The body rotates, when the limiting member is in the second position, the limiting member is not engaged with the rotating member and the rotating member is rotatable relative to the body; an elastic member is elastically coupled to the body and the limiting member Between the limiting members having the first Set the trend of moving. The torque wrench of claim 1, wherein the one end of the rotating member facing the limiting member is provided with a first tooth portion, and the limiting member is provided with a second tooth portion facing one side of the rotating member, when the limiting portion is When the member is in the first position, the first tooth portion and the second tooth portion are engaged with each other such that the rotating member cannot rotate relative to the body. When the limiting member is in the second position, the first tooth portion and the first tooth portion The second tooth portions are not engaged with each other and the rotating member is opposite to the The body rotates. The torque wrench of claim 1, wherein the outer wall of the outer body is recessed with at least one sliding slot extending in the axial direction, the sliding slot has a first end and a second end, wherein the first end is closer to the a limiting member, the second end is far away from the limiting member, the limiting member has at least one protrusion, the protruding piece is slidably embedded in the sliding slot, when the limiting member is in the first position The protrusion is located at the first end of the sliding slot, and the protrusion is located at the second end of the sliding slot when the limiting member is in the second position. The torque wrench of claim 3, wherein the sliding groove is laterally recessed at a side wall of the second end to form a receiving portion, and the limiting member is axially rotatable about the body when the second position is in the second position The direction is rotated to be displaced to a third position, and the protrusion is received in the receiving portion to prevent the limiting member from moving in the axial direction of the body. The torque wrench of claim 1 , wherein the connecting portion is provided with a third tooth portion, the rotating member has a through hole, and the inner peripheral ring of the through hole is provided with a fourth tooth portion, the third tooth portion and the third tooth portion The four tooth portions mesh with each other such that the rotating member and the torque adjusting member have a rotational interlocking relationship.