TW202007494A - Torque wrench - Google Patents

Abstract

A torque wrench includes a main body, a torque adjusting member, a locking member and an adjusting assembly. The main body defines an axial direction. One end of the main body has a driving portion. The torque adjusting member is adapted for adjusting a torque value. The locking member is non-rotatably disposed in the main body and has a first blockable portion. The adjusting assembly includes a rotating member, a pressing member and a positioning member. The rotating member is rotatably assembled with another end of the main body. The pressing member is non-rotatably disposed on the rotating member. The pressing member is movable relative to the main to be in a first position or a second position. The positioning member is non-rotatably disposed in the rotating member and connected with the torque adjusting member in a rotational-connection relationship. One of the pressing member and the positioning member has a cycle chute, and the other is has an abutting member. The abutting member is slidably disposed in the cycle chute.

Description

Torque wrench

The invention relates to a torque wrench.

Press, when the general industry is still performing the locking operation, a torque wrench that can be used to set the torque value will be used to avoid problems such as damage to the locked object due to excessive locking of the locking member or damage to the screw thread of the locking member. It is known that one end of the body of the torque wrench is provided with a working part, a torque adjustment shaft is provided in the body to adjust the torque setting value, and a rotatable kit is installed at the other end of the body. The kit is screwed to the torque adjustment shaft when the When the kit is rotated, the torque adjustment shaft will be driven by the kit to move axially, thereby achieving the function of adjusting the torque setting value, and then the user can perform the locking operation.

However, such conventional torque wrenches have the following disadvantages. Since the torque wrench will be held by the kit to apply force when in use, when the locking operation is performed, the torque setting value is often changed by accidentally turning to the grip, In this way, the preset locking force during locking will be changed, and the locking function of the locking firmware will be reduced. Therefore, it is necessary to repeatedly perform the action of adjusting the torque value, which affects the efficiency during work, and there are shortcomings that need to be improved.

Therefore, it is necessary to provide a novel and progressive torque wrench to solve the above problems.

The main purpose of the present invention is to provide a torque wrench with a function of quickly locking and releasing the torque wrench to adjust the preset torque value, so as to improve work efficiency, and the structure is simple and durable.

To achieve the above object, the present invention provides a torque wrench, which includes a body, a torque adjusting member, a locking member and an adjusting component. The body defines an axial direction, and one end of the body is provided with a driving part. When the driving part receives a torque greater than a torque setting value, an idling phenomenon may occur. The torque adjusting member is rotatably provided in the body, and the torque setting value is adjusted by rotating the torque adjusting member. The locking member is non-rotatably arranged in the body, and is provided with a first clamping part. The adjusting component includes a rotating member, a pressing member and a positioning member, the rotating member is rotatably disposed at the other end of the body, the pressing member is non-rotatably disposed at the rotating member, and the pressing member can be along the axial direction Sliding relative to the body at a first position and a second position, a spring resiliently presses between the pressing member and the positioning member, so that the pressing member has a tendency to move toward the first position, the pressing member is provided with a In the second clamping part, the positioning member is non-rotatably provided in the rotating member and is rotatably connected with the torsion adjusting member. One of the pressing member and the positioning member is provided with a circulation chute and the other is provided with a clamping member The circulating chute is provided with an upper step portion and a lower step portion, and the clamping member slides in the circulating chute. Wherein, when the pressing member is located at the first position, the first clamping portion does not interfere with the rotation of the second clamping portion and the clamping member is clamped against the upper step portion; when the pressing member is located at the second position , The first locking portion and the second locking portion rotate to interfere and the locking member snaps against the lower step portion.

The following merely illustrates the possible implementation forms of the present invention with examples, but it is not intended to limit the scope of the invention to be protected, and will be described first.

Please refer to FIGS. 1 to 8, which show a preferred embodiment of the present invention. The torque wrench of the present invention includes a body 1, a torque adjusting member 13, a locking member 14 and an adjusting assembly 2.

The body 1 defines an axial direction 11, and one end of the body 1 is provided with a driving part 12 for assembling with a sleeve or a fastener. When the driving part 12 receives a torque greater than a torque setting value There will be idling phenomenon.

The torque adjusting member 13 is rotatably provided in the body 1, and the torque setting value is adjusted by rotating the torque adjusting member 13.

The locking member 14 is non-rotatably disposed in the body 1 and is provided with a first locking portion 141.

The adjusting assembly 2 includes a rotating member 3, a pressing member 4 and a positioning member 5. The rotating member 3 is rotatably disposed at the other end of the body 1, and the pressing member 4 is non-rotatably disposed at the rotating member 3. The pressing member 4 can slide along the axial direction 11 relative to the body 1 at a first position and a second position. In this embodiment, the first position is a side away from the driving portion 12, and the second position is Near one side of the driving portion 12, a spring 15 springs against the pressing member 4 and the positioning member 5, so that the pressing member 4 has a tendency to move toward the first position (that is, away from the driving portion In the direction of 12), the pressing member 4 is provided with a second clamping portion 41, the positioning member 5 is non-rotatably disposed in the rotating member 3 and is rotatably connected with the torque adjusting member 13, in this embodiment the rotating member The inner peripheral wall of 3 is a non-circular hole wall. The rotating member 3 is sleeved on the pressing member 4 and the positioning member 5 in a non-rotatable manner. One of the pressing member 4 and the positioning member 5 is provided with a circulation chute 6 The other is provided with a clamping member 21, the circulation chute 6 is provided with an upper step portion 61 and a lower step portion 64, the clamping member 21 slides in the circulation chute 6.

When the pressing member 4 is located at the first position (as shown in FIG. 5 ), the first clamping portion 141 does not interfere with the rotation of the second clamping portion 41 and the clamping member 21 clamps against the upper step portion 61, the rotating member 3 can rotate relative to the body 1 to adjust the torque setting value; when the pressing member 4 is in the second position (as shown in FIG. 6), the first locking portion 141 and the When the second clamping portion 41 interferes with rotation and the clamping piece 21 clamps against the lower step portion 64, the rotation piece 3 cannot rotate relative to the body 1, that is, a locking effect is achieved to prevent the torque adjustment piece 13 from rotating to cause the The torque setting changes.

Specifically, the pressing member 4 is extended with a plate 42 along the axial direction 11, and the plate 42 is provided with the second clamping portion 41 at one end toward the positioning member 5. One side of the plate 42 is concavely provided with the circulation chute 6, one end of the clamping member 21 is disposed on the positioning member 5, and the other end of the clamping member 21 abuts the circulation chute 6.

Furthermore, in this embodiment, the locking member 21 is a zigzag lever with elastic recovery, the plate 42 is further concavely provided with a fan-shaped slot 22, and the fan-shaped slot 22 faces the circulating chute 6 The direction gradually expands, and the locking member 21 is accommodated in the groove of the fan-shaped groove 22, so that the locking member 21 can perform a reversible bending swing in the fan-shaped groove 22.

In this embodiment, the locking member 14 is fixed to the body 1 and sleeved on the torsion adjusting member 13. The positioning member 5 is recessed on one side in the radial direction with a long slot 51 that faces the axial direction 11 Extending, the plate 42 is slidably disposed in the long slot 51, when the pressing member 4 is located in the second position, the plate 42 exceeds the long slot 51 and the second locking portion 41 snaps against the first locking portion 141. The first clamping portion 141 is a plurality of concave holes arranged in a ring shape, and the second clamping portion 41 is at least one insert. Each of the inserts can be selectively inserted into one of the recesses so that the locking member 14 and the pressing member 4Cannot rotate relatively.

For example, as shown in FIG. 4, in this embodiment, the circulation chute 6 is provided with the upper step 61, a first arc guide groove 62, a first limiting groove 63, and the lower step in this order 64. A second limiting groove 65 and a second arc guiding groove 66. The above structure forms a closed circulation loop. In addition, the lower step 64 faces the first limiting groove 63 and the second limiting groove 65. When the user presses the pressing member 4 in the direction of the driving part 12, the circulating sliding groove 6 and the locking member 21 slide relative to each other, and the locking member 21 can be pressed against one end of the circulating sliding groove 6 In this order, the upper step 61 (shown in FIG. 5), the first limit groove 63 (shown in FIG. 6), the lower step 64 (shown in FIG. 7), and the second limit groove 65 (shown in FIG. 8) to slide, and because the spring 15 normally pushes the pressing member 4 in the first direction, the locking member 21 can only be stuck to the top when not pressed by an external force The step 61 (that is, the first position) or the lower step 64 (that is, the second position). Therefore, the user only needs to repeatedly press the pressing member 4 to switch the pressing member 4 between the first position and the second position to lock or release the rotation of the rotating member 3 relative to the body 1 to achieve rapid switching The function.

Preferably, the circulation chute 6 is provided with a protrusion 67, the protrusion 67 is provided with the lower step 64 on a side away from the upper step 61, and the protrusion 67 is provided on a side facing the upper step 61 There is a first inclined guide surface 671 and a second inclined guide surface 672, the first inclined guide surface 671 and the second inclined guide surface 672 form a peak 673, the peak 673 is adjacent to the second arc guide groove 66 , The first inclined guide surface 671 corresponds to the upper step portion 61 in the direction of the axial direction 11 to prevent the clamping member 21 against the one end of the circulation chute 6 from moving in the reverse direction (that is, reverse to the sliding of FIG. 4 Track). In addition, a blocking portion 68 protrudes between the first limiting groove 63 and the second limiting groove 65, and the blocking portion 68 is provided with a third inclined guide surface 681, and the third inclined guide surface 681 faces the second limit The position groove 65 is inclined, and the third inclined guide surface 681 corresponds to the lower step portion 64 in the direction of the axial direction 11, and similarly can prevent the locking member 21 from moving backward against one end of the circulation chute 6.

In summary, in the torque wrench of the present invention, the user only needs to repeatedly press the pressing member to switch the pressing member between the first position and the second position for the purpose of locking or releasing the rotation of the rotating member relative to the body. In order to achieve the function of fast switching.

1‧‧‧Body 2‧‧‧Adjustment assembly 3‧‧‧Rotating member 4‧‧‧Pressing member 5‧‧‧Locating member 6‧‧‧Circulation chute 11‧‧‧Axial 12‧‧‧‧Drive unit 13‧ ‧‧Torque adjusting piece 14‧‧‧Locking piece 15‧‧‧Spring 141‧‧‧First clamping part 21‧‧‧Clamping piece 22‧‧‧Fan slot 41‧‧‧Second clamping part 42‧‧‧ Plate part 51‧‧‧Long groove 61‧‧‧Upper part 62‧‧‧First arc guide groove 63‧‧‧First limit groove 64‧‧‧Lower part 65‧‧‧Second limit groove 66‧‧‧Second arc guide groove 67‧‧‧Bump 68‧‧‧stop 671‧‧‧First inclined guide surface 672‧‧‧Second inclined guide surface 673‧‧‧ Peak 681‧‧‧ Third inclined guide

FIG. 1 is a perspective view of a preferred embodiment of the present invention. FIG. 2 is an exploded view of a preferred embodiment of the invention. 3 is a partial perspective view of a preferred embodiment of the present invention. FIG. 4 is a motion track diagram of a circulating chute according to a preferred embodiment of the present invention. 5 to 8 are operation diagrams of a snap-fitting member and a circulation chute according to a preferred embodiment of the present invention.

1‧‧‧Body

3‧‧‧rotating parts

4‧‧‧Pressing piece

12‧‧‧Drive Department

Claims (11)

A torque wrench includes: a body defining an axial direction, a driving portion is provided at one end of the body, and the driving portion will generate an idle phenomenon when the torque is greater than a torque setting value; a torque adjusting member is rotatably provided In the body, the torque setting value is adjusted by rotating the torque adjusting member; a locking member is non-rotatably provided in the body, and is provided with a first clamping part; an adjusting component includes a rotating member and a pressing member And a positioning member, the rotating member is rotatably disposed at the other end of the body, the pressing member is non-rotatably disposed at the rotating member, the pressing member can slide relative to the body at a first position along the axial direction and In a second position, a spring springs between the pressing member and the positioning member, so that the pressing member has a tendency to move toward the first position, the pressing member is provided with a second clamping portion, and the positioning member cannot rotate It is provided in the rotating part and is rotatably connected with the torque adjusting part. One of the pressing part and the positioning part is provided with a circulation chute, and the other is provided with a clamping member. The circulation chute is provided with an upper step With the next step, the latching member slides in the circulation chute; wherein, when the pressing member is in the first position, the first latching portion does not interfere with the rotation of the second latching portion and the latching member latches Against the upper step; when the pressing member is in the second position, the first locking portion and the second locking portion rotate and interfere with each other, and the locking member snaps against the lower portion. The torque wrench according to claim 1, wherein the pressing member is provided with a plate member extending along the axial direction, and the plate member is provided with the second clamping portion toward one end of the positioning member. The torque wrench according to claim 2, wherein one side of the plate is concavely provided with the circulation slide groove, one end of the clamping piece is provided on the positioning piece, and the other end of the clamping piece is pressed against the circulation slide groove. The torque wrench according to claim 3, wherein the snap-in member is a zigzag rod member with elastic recovery, and the plate member is further concavely provided with a fan-shaped groove, the fan-shaped groove gradually increases toward the direction of the circulating chute The clamping piece is accommodated in the fan-shaped groove. The torque wrench according to claim 4, wherein the locking member is fixed to the body and sleeved on the torsion adjusting member, and the positioning member is provided with a long groove recessed on one side in the radial direction, and the long groove extends toward the axial direction , The plate is slidably disposed in the long slot, when the pressing member is in the second position, the plate exceeds the long slot and the second clamping portion is pressed against the first clamping portion. The torque wrench according to claim 5, wherein the first clamping portion is a plurality of concave holes arranged in a ring shape, and the second clamping portion is at least one insert, and each of the inserts can be selectively inserted into one of the recessed holes. The torque wrench according to claim 1, wherein the circulating chute is provided with the upper step portion, a first arc guide groove, a first limiting groove, the lower step portion, and a second limiting groove in sequence 1. A second arc guiding groove, the above structure forms a closed circulation loop. The torque wrench according to claim 7, wherein the circulation chute is provided with a convex block, the convex block is provided with the lower step part on a side away from the upper step part, and the convex block is provided with a side facing the upper step part There is a first inclined guide surface and a second inclined guide surface, the first inclined guide surface and the second inclined guide surface form a peak, the peak is adjacent to the second arc guide groove, the first inclined guide surface Along the axial direction corresponds to the upper step. The torque wrench according to claim 7, wherein the lower step portion faces the first limiting groove and the second limiting groove. The torque wrench according to claim 9, wherein a blocking portion is protrudingly provided between the first limiting groove and the second limiting groove, and the blocking portion is provided with a third inclined guiding surface, the third inclined guiding surface faces The second limiting groove is inclined, and the third inclined guide surface corresponds to the lower step along the axial direction. The torque wrench according to claim 1, wherein the inner peripheral wall of the rotating member is a non-circular hole wall, and the rotating member is sleeved on the pressing member and the positioning member in a non-rotatable manner.

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