TWM556200U - Locking type torque wrench - Google Patents

Abstract

The present invention provides a locking type torque wrench, which comprises: a main rod body, an adjusting tube, a torsion adjusting component, a positioning member, a tweezers and a locking ring, and the adjusting tube sleeve is set on the main rod body, and the adjustment is performed. One of the first ends of the tube is coupled to the main rod body, and the second end of the adjusting tube is coupled to the locking ring, and the tweezers are disposed between the positioning member and the locking ring, whereby the user can rotate the locking ring to control The main rod body and the adjusting tube are relatively locked or loosened to adjust the torque of the torque wrench, and the utility model has the advantages of convenient operation and simple structure.

Description

Locking type torque wrench

This creation is about a torque wrench, especially a torque wrench that is locked by a rotary lock.

For example, Taiwan Patent No. M515937 discloses a locking ring structure of a torque wrench, which comprises a body, the body has an inner tube, the inner tube is provided with an outer tube, and the outer tube is provided with two positioning members and a limit. a locking member, wherein the locking ring has an inner locking ring and an outer locking ring sleeved on the outer locking ring, and the inner peripheral wall of the inner locking ring is provided with a relief groove for each positioning member. The depth of the groove of the escape groove is gradually deepened along the inner peripheral wall of the inner locking ring, and the inner locking ring is provided with a limiting groove corresponding to the limiting member, and the limiting groove is provided with two limiting blocks to rotate the locking ring relative to the body The limiting member can be selectively engaged with one of the limiting blocks. In addition, the outer peripheral edge of the inner locking ring is provided with a plurality of locking portions of the inner locking edge of the outer locking ring and the outer locking ring.

Thereby, the user can fix or loosen the relative position of the inner tube and the outer tube by rotating the locking ring, thereby adjusting the torque of the torque wrench. However, the overall components of the aforementioned torque wrench are complicated, and the inner and outer locking rings must be separately processed, resulting in an increase in manufacturing cost and disadvantageous assembly.

In order to solve the above problems, the present invention provides a locking type torque wrench which utilizes a locking ring to control the locking position or the relaxed position of the main rod body and the adjusting tube, thereby achieving a quick control effect with a simple structure.

An embodiment of the present invention provides a locking type torque wrench, comprising: a main rod body having a driving end and a mounting end; and an adjusting tube having a first end and a second end, The first end is sleeved on the mounting end, and the adjusting tube is provided with a through slot near the second end; a torque adjusting component is disposed between the main rod body and the adjusting tube; and a positioning member is disposed at the connecting end The torsion adjusting component is away from one end of the mounting end, and a positioning groove is recessed on the outer periphery of the positioning member, the positioning groove corresponds to the slot; a dice, the activity is disposed in the slot; and a locking ring is set in the adjustment The second end of the tube rotates relative to the adjusting tube between a locking position and a releasing position, and an inner groove is recessed in the inner circumference of the locking ring, and the working groove corresponds to the scorpion, wherein, in the locking position, 掣The sub-card is fixed between the positioning groove and the action groove; when in the relaxed position, the forceps are displaced between the positioning groove and the action groove.

With the above, the present invention can provide a single-handed control of the locking ring to control the locking position or the relaxed position of the main rod and the adjusting tube, which is more convenient to use; and the overall structure of the creation is simple and can be reduced Manufacturing costs, and the ability to achieve easy assembly.

In an embodiment of the present invention, a snap member is disposed between the locking ring and the adjusting tube; thereby preventing the locking ring from being disengaged from the second end of the adjusting tube, and the positioning position of the locking ring can be achieved.

In an embodiment of the present invention, the working groove is recessed along the axial direction of the locking ring, and the working groove has a first concave portion and a second concave portion. The first concave portion and the second concave portion are coupled to each other, and the first concave portion is locked. The depth of the inner circumference of the ring is smaller than the depth of the second concave portion at the inner circumference of the locking ring: when the locking position is fixed, the tweezers are locked between the positioning groove and the first concave portion; in the relaxed position, the forceps are active in the positioning groove and the first Two recesses. Wherein, the inner circumference of the locking ring is recessed in the axial direction with a third recess, and the third recess is connected to the first recess and staggered. Thereby, the locking ring is positioned between the action grooves through the tweezers to prevent the locking ring from being disengaged from the adjusting tube, thereby achieving accurate control and anti-off function.

For the convenience of the description, the central idea expressed in the column of the above novel content is expressed by a specific embodiment. Various items in the embodiments are depicted in terms of ratios, dimensions, amounts of deformation, or displacements that are suitable for illustration, and are not drawn to the proportions of actual elements, as set forth above.

It is to be noted that when an element is referred to as "arranged or fixed" to the other element, it may be directly on the other element or the element may be present. In contrast, when an element is referred to as being "directly on" another element, the <RTIgt; The terms "a" and "at least one" are not intended to mean a particular quantity, but rather to illustrate and cite one of the embodiments.

Referring to FIG. 1 to FIG. 8 , the present invention provides a locking type torque wrench 100, which comprises:

a main rod body 10 having a driving end 11 and a mounting end 12 disposed oppositely, the driving end 11 is provided with a driving portion 13 , and the driving portion 13 can be a ratchet sleeve joint type for receiving the working piece; The body 10 is provided with a plurality of torque value display numbers 14 near the periphery of the mounting end 12.

An adjusting tube 20 having a first end 21 and a second end 22 disposed oppositely, the first end 21 of the adjusting tube 20 is sleeved on the mounting end 12, in the present embodiment, the adjusting tube 20 Both the one end 21 and the mounting end 12 of the main rod body 10 are screwed to each other. Furthermore, the outer circumference ring of the first end 21 of the adjusting tube 20 is provided with a plurality of torque segments 23; the outer circumference of the adjusting tube 20 near the second end 22 is provided with a through slot 24 and a ring recessed with a first recess 25 for wearing The slot 24 extends along the length of the adjusting tube 20, and the slot 24 is closer to the second end 22 than the first slot 25. In the present embodiment, the slot 24 has a long rectangular shape and is adjusted for penetration. The circumference of the tube 20.

A torsion adjusting component 30 is disposed between the main body 10 and the adjusting tube 20. The torsion adjusting component 30 has an elastic member 31, a pushing member 32 and an adjusting device 33. The pushing member 32 has an opposite arrangement. The adjusting end 321 abuts the elastic member 31, the adjusting end 322 is adjacent to the second end 22 of the adjusting tube 20, and the adjusting device 33 is adjacent to the adjusting end 322.

A positioning member 40 is disposed at one end of the connecting torque adjusting component 30 and away from the mounting end 12, wherein the positioning component 40 is coupled to the adjusting end 322 of the pushing member 32. In the present embodiment, the positioning component 40 is adjusted. The device 33 is locked with the pusher 32. Further, a positioning groove 41 is defined in the outer periphery of the positioning member 40, and the positioning groove 41 corresponds to the groove 24, and the positioning groove 41 is recessed along the longitudinal direction of the main rod 10 at the outer periphery of the positioning member 40, wherein In the embodiment, the number of the positioning slots 41 is plural, and the positioning slots 41 are equally spaced around the outer periphery of the positioning member 40, and one of the positioning slots 41 corresponds to the through slot 24.

A rafter 50 is disposed in the slot 24, and the rafter 50 is extended relative to the axial direction of the adjusting tube 20. In the present embodiment, the rafter 50 is cylindrical, thereby making the scorpion 50 The contact area with the adjustment tube 20 is increased to increase the locking effect.

A locking ring 60 is sleeved on the second end 22 of the adjusting tube 20 and is rotated relative to the adjusting tube 20 between a locking position and a relaxed position. The inner circumference of the locking ring 60 is recessed with an action groove 61. The action groove 61 corresponds to the forceps 50. The forceps 50 moves between the action groove 61 and the positioning groove 41. The action groove 61 is concave along the axial direction of the locking ring 60. The first recessed portion 611 and the second recessed portion 612 are coupled to each other and disposed along the inner circumference of the locking ring 60. The first recessed portion 611 is disposed on the locking ring 60. The depth of the inner circumference is smaller than the depth of the second recess 612 at the inner circumference of the locking ring 60; when the locking ring 60 is in the locking position, the latch 50 is fastened between the positioning groove 41 and the first recess 611 of the action groove 61; When the locking ring 60 is rotated to the relaxed position, the catch 50 is moved between the positioning groove 41 and the second recess 612 of the action groove 61.

Furthermore, the inner circumference of the locking ring 60 is recessed in the axial direction with a third recess 62. The third recess 62 is connected to the first recess 611 and is staggered when the locking ring 60 is sleeved to the second end 22 of the adjusting tube 20. The latch 50 can be inserted into the first recess 611 of the slot 61 by the third recess 62, and the first recess 611 and the third recess 62 are interlaced to prevent the locking ring 60 from being disengaged from the adjusting tube 20 to achieve positioning and disengagement. The effect.

In addition, a second receiving groove 63 is defined in the inner circumference of the locking ring 60. The second receiving groove 63 of the locking ring 60 corresponds to the first receiving groove 25 of the adjusting tube 20, and the second receiving groove 63 is concavely close to the lock. The end of the tight ring 60, wherein the second slot 63 of the locking ring 60 and the first slot 25 of the adjusting tube 20 are looped with a latching member 70, the latching member 70 can increase the locking effect and prevent the lock The tightening ring 60 is disengaged from the adjusting tube 20, and the locking ring 60 is not easily shaken, and the problem of the positional deviation of the locking ring 60 caused by the shaking is prevented, thereby achieving the positioning effect of the locking ring 60. In the present embodiment, The snap member 70 is a C-shaped buckle.

In addition, in the present embodiment, the number of the tweezers 50, the through slots 24, and the action slots 61 are respectively two, so as to be corresponding to each other, wherein the two positioning slots 41 respectively correspond to the two slots 24, wherein The two through grooves 24 are arranged at intervals of one-half of a circle around the outer circumference of the adjustment tube 20.

Referring to FIG. 2 and FIG. 7 , when the locking ring 60 is in the locking position, the latch 50 corresponds to the positioning groove 41 and the first recess 611 of the working slot 61 , and is locked to the locking ring 60 and the adjusting tube 20 . In this locked state, the adjustment tube 20 cannot rotate relative to the main rod body 10.

Referring to FIG. 2 and FIG. 8 , the user can use one hand to cut the locking ring 60 to rotate the locking ring 60 relative to the adjusting tube 20 to rotate the locking ring 60 from the locking position to the relaxed position. The dice 50 corresponds to the positioning groove 41 and the second recess 612 of the action groove 61. When the user rotates the adjustment tube 20 and rotates relative to the main rod 10, the dice 50 can be positioned in the positioning groove 41 and the action groove 61. The second recess 612 is movably displaced so that the locking ring 60 does not lock the latch 50, and the adjusting tube 20 can rotate relative to the main shaft 10 to adjust the pre-stress of the torque adjusting component 30 acting on the driving portion 13, thereby The torque value of the adjustable torque wrench 100 is reached, wherein the torque force segment value 23 and the torque value display the corresponding position of the number 14 are provided for the user to understand the current torque value state of the torque wrench 100.

Therefore, the torque wrench 100 of the present invention is rotated between the locking position and the relaxed position by operating the locking ring 60 to lock the forceps 50 between the locking ring 60 and the adjusting tube 20, or to move on Between the locking ring 60 and the adjusting tube 20, the adjusting tube 20 is locked or relatively rotatable relative to the main rod 10, thereby adjusting the torque of the torque wrench 100, so as to provide a user with one hand to switch operation, thereby facilitating operation. The effect.

Furthermore, the torque wrench 100 of the present invention has a simple overall structure and no complicated structural combination, which can reduce the manufacturing cost and the assembly convenience.

In addition, the torque wrench 100 of the present invention is provided with the latching member 70 disposed between the locking ring 60 and the adjusting tube 20, and the third recessed portion 62 and the first recessed portion 611 are alternately arranged, thereby preventing the locking ring 60 from being disengaged. The tube 20, as well as the effect of positioning the locking ring 60.

The above embodiments are merely illustrative of the present invention and are not intended to limit the scope of the present invention. All kinds of modifications or changes that are not in violation of the spirit of this creation are all in the scope of this creative intention.

100‧‧‧torque wrench
32‧‧‧Pushing pieces
10‧‧‧ main body
321‧‧‧
11‧‧‧Driver
322‧‧‧ adjustment end
12‧‧‧Installation end
33‧‧‧Adjustment device
13‧‧‧ Drive Department
40‧‧‧ Positioning parts
14‧‧‧ Torque value display number
41‧‧‧ positioning slot
20‧‧‧Adjustment tube
50‧‧‧掣子
21‧‧‧ first end
60‧‧‧Lock ring
22‧‧‧ second end
61‧‧‧ action slot
23‧‧‧ Torque segment values
611‧‧‧ first recess
24‧‧‧through slot
612‧‧‧Second recess
25‧‧‧First pocket
62‧‧‧ Third recess
30‧‧‧Torque adjustment components
63‧‧‧Second cavity
31‧‧‧Flexible parts
70‧‧‧Card fasteners

Figure 1 is a schematic diagram of the appearance of the creation. Figure 2 is a schematic exploded view of the creation structure. Figure 3 is a schematic view of the appearance of the locking ring of the present invention. Figure 4 is a schematic cross-sectional view of the present invention. Figure 5 is a partial cross-sectional view of the present creation. Figure 6 is a partial cross-sectional view of another angle of the present creation. Fig. 7 is a schematic cross-sectional view showing the locking ring of the present invention in a locking position, showing that the tweezers are locked between the locking ring and the adjusting tube. Figure 8 is a schematic cross-sectional view showing the locking ring of the present invention in a relaxed position, showing that the forceps correspond to between the positioning groove and the second recess of the action groove.

Claims (10)

A locking type torque wrench comprising: a main rod body having a driving end and a mounting end, the driving end is provided with a driving portion for receiving a working piece; and an adjusting tube having a a first end and a second end, the first end is sleeved on the mounting end, the adjusting tube is provided with a through slot near the outer edge of the second end; a torque adjusting component is disposed on the main rod body and a positioning member coupled to the torsion adjusting component and away from one end of the mounting end, the positioning edge of the positioning member is recessed with a positioning groove, the positioning groove corresponds to the slot; The activity is disposed in the through slot; and a locking ring is disposed on the second end of the adjusting tube, and is rotated relative to the adjusting tube between a locking position and a relaxed position, the locking ring is The inner circumference is recessed with an action groove corresponding to the rafter, wherein in the locking position, the raft is fastened between the locating groove and the action groove; in the relaxed position, the raft is The displacement between the positioning groove and the action groove is movable. The lock type torque wrench of claim 1, wherein a snap fastener is disposed between the lock ring and the adjustment tube. The lock-type torque wrench of claim 2, wherein the outer circumference ring of the adjustment tube is recessed with a first receiving groove, and the inner circumference of the locking ring is corresponding to the first receiving groove ring. The latching member is disposed between the first receiving slot and the second receiving slot. The lock type torque wrench of claim 3, wherein the second pocket ring is concave near the end of the lock ring. The lock type torque wrench of claim 1, wherein the action groove is recessed along an axial direction of the lock ring, the action groove has a first recess and a second recess, the first recess and the first The two recesses are connected to each other, and the depth of the first recess on the inner circumference of the lock ring is smaller than the depth of the second recess on the inner circumference of the lock ring: in the locked position, the latch is engaged with the positioning slot and The first recess is located between the positioning groove and the second recess in the relaxed position. The lock type torque wrench of claim 5, wherein the inner circumference of the lock ring is recessed in the axial direction with a third recess, and the third recess is connected to the first recess and staggered. The lock type torque wrench of claim 1, wherein the positioning groove is recessed along the longitudinal direction of the main rod body at an outer circumference of the positioning member. The lock-type torque wrench of claim 1 or 7, wherein the number of the positioning grooves is plural, and each of the positioning grooves is disposed at an outer circumference of the positioning member. The lock type torque wrench of claim 8, wherein the number of the tweezers, the through slots and the action slots are two, and the two through slots are correspondingly spaced apart. The lock type torque wrench according to claim 1, wherein the tweezers are cylindrical, and the through grooves are long rectangular.