TWI673144B - Torque wrench structure - Google Patents

Abstract

The invention relates to a torque wrench structure, which comprises: a first system provided with a receiving groove, a first through groove, a first ring groove and a bead groove; a second system provided with a driving unit And a plurality of positioning grooves; a control collar is sequentially provided with the spring groove, the second tapered groove, the first abutment edge, the first peripheral surface, the first tapered groove, and the second peripheral surface; An elastic element springs against the control collar; a positioning member is accommodated at the first through slot, the positioning member is hidden inside the control collar, and the positioning member can be snapped or not snapped At the positioning groove, the positioning member is provided with a third ring groove, the third ring groove is a concave ring groove; a second ring system is sleeved on the third ring groove, and the positioning member is also limited On the second ring body without coming out of the first through groove.

Description

Torque wrench structure

The invention relates to a torque wrench structure, in particular to a torque wrench structure provided with a positioning member and a second ring body, and the positioning member is accommodated in the next positioning groove by the elastic restoring force of the second ring body. The sound of entering the positioning slot will occur at the time, and the re-accommodation between the positioning member and each positioning slot will generate a prompt sound for understanding the condition of the torque adjustment by the rotation of the torque wrench structure.

According to my previous knowledge, the conventional torque wrench structure is also a patent case that I have been assigned, such as US patent case number: US8863624B2, Taiwan patent case application number: 103215530, certificate number: M492808, patent name: with locking device The torque wrench structure of this patent is: a torque wrench with a locking device, which includes: a hollow main rod body 10; a tool member 20; a torque adjusting elastic member 40; a clutch assembly 50; and a The locking device 60 is disposed on the outer periphery of the second end 12 of the main rod body 10 and generates relative axial movement along the main rod body 10 between a locked position and an unlocked position, wherein The locking device 60 includes a metal locking ring 61, a compression spring 62, a metal C-shaped buckle 63, and at least one metal positioning bead 65.

However, the lack of the conventional torque wrench structure lies in:

1. Please supplement Figures 6 to 8 of the U.S. Gazette. When you want to adjust the torque value, move the locking ring 61 in the direction of the adjusting handle 30 to make the locking device 60 slide. To unlocked position In the above, the compression spring 62 is compressed due to the displacement of the locking ring 61, and the C-shaped buckle 63 is engaged with the ring groove 614 to position the locking ring 61 in a non-locking position. The positioning beads 65 are It is not pushed by the pushing surface 612 and corresponds to the inclined surface 616, so that the positioning beads 65 can move between the receiving groove 611 and the positioning groove 13, and the adjusting grip 30 can be opposite to the main rod body 10. Rotate, but when the adjustment grip 30 is rotated relative to the main rod body 10 to adjust the torque value, the adjustment grip 30 is not provided with any prompt sound when it is rotated for the purpose of understanding the torque wrench The current torque value state is not convenient to control the system.

2. The positioning groove 13 is hidden in the adjusting handle 30. When the adjusting handle 30 rotates, the positioning bead 65 may not be aligned with one of the positioning grooves 13. Displacement of the locking ring 61 cannot make the The positioning beads 65 are accommodated in the positioning groove 13, and the locking ring 61 cannot be returned to the locked position, which is inconvenient during operation.

In view of the lack of the conventional structure mentioned above, the inventor has, through years of experience in manufacturing, production and design in related industries, finally came up with a product that can solve the conventional drawback of a torque wrench structure.

In the conventional torque wrench structure, when the grip is adjusted When adjusting the torque value while rotating relative to the main rod body, the adjustment grip is not provided with any prompt sound when rotating, in the torque wrench structure of the present invention, the positioning member is subject to the second ring body The sound of entering the positioning slot will occur when it is re-accommodated in the next positioning slot due to its elastic restoring force. The re-setting between the positioning member and each positioning slot will generate a prompt sound for understanding the adjustment of the torque wrench. Situation.

The invention relates to a torque wrench structure, which The system includes: a first system with a receiving groove, a first through groove, a first ring groove and a bead groove; a second system with a drive unit and a plurality of positioning grooves; a control loop system The spring groove, the second tapered groove, the first abutment edge, the first peripheral surface, the first tapered groove, and the second peripheral surface are sequentially provided; an elastic element springs against the control sleeve. On the ring; a positioning member is accommodated in the first slot, the positioning member is hidden in the control collar, the positioning member can be locked or not locked in the positioning slot, the positioning member is A third ring groove is provided, and the third ring groove is a concave ring groove; a second ring system is sleeved on the third ring groove, and the positioning member is also restricted by the second ring body without coming out. The first through groove is outside.

When the control collar is axially moved to the unlocked position At this time, the first system can rotate relative to the second body, so that the positioning member can be displaced on the second body and positioned at any positioning slot. When the positioning member moves from one positioning slot to the next positioning At the slot, the positioning member is pushed by the outer peripheral surface of the second body to open the second ring body. When the positioning member is aligned with the next positioning slot, the positioning member is received by the second ring body. The sound of entering the positioning slot will occur when it is re-accommodated in the next positioning slot with elastic restoring force, and the re-setting between the positioning member and each positioning slot will generate a prompt sound. When the positioning member is accommodated in the positioning groove, it is the elastic restoring force of the second ring body, and is accommodated with the limitation of the elastic restoring force of the second ring body. The displacement path of the positioning member is based on the The arc of the positioning groove is performed, so the sound of the positioning member is more reliable, and the sound of the positioning member is also restricted by the second ring body when the positioning member is displaced.

In order to fully understand the effects of the present invention by members of the Bureau and those skilled in the art, the structure and composition of the present invention will be described in conjunction with the drawings and numbers, except the following It is only used to explain the embodiments of the present invention, and is not intended to limit the present invention in any form. Any modification made under the spirit of the present invention should still belong to the protection scope of the present invention.

10‧‧‧First Body

11‧‧‧ Receiving slot

12‧‧‧The first trough

14‧‧‧ the first ring groove

15‧‧‧ Restriction slot

16‧‧‧Rong beads trough

20‧‧‧Second Ontology

21‧‧‧Driver

22‧‧‧ positioning groove

30‧‧‧Control collar

31‧‧‧Spring slot

32‧‧‧ First Arrival

33‧‧‧First week

34‧‧‧ Second weekly

35‧‧‧The first tapered groove

36‧‧‧Second taper groove

37‧‧‧ Third conical groove

38‧‧‧ Second Arrival

40‧‧‧elastic element

41‧‧‧ the first end

42‧‧‧ the second end

50‧‧‧first ring

60‧‧‧ Positioning piece

61‧‧‧Third ring groove

70‧‧‧Second ring body

71‧‧‧Restricted Department

80‧‧‧ beads

81‧‧‧ third ring

The first figure is an exploded perspective view of the torque wrench structure of the present invention.

The second figure is a side view of the control collar of the torque wrench structure of the present invention.

The third figure is a cross-sectional view of the second figure A-A of the present invention.

The fourth figure is a perspective view of the positioning member of the torque wrench structure of the present invention.

The fifth figure is a perspective assembled view of the torque wrench structure of the present invention.

The sixth figure is a top view of the torque wrench structure of the present invention.

The seventh figure is a cross-sectional view of the sixth figure B-B of the present invention.

The eighth figure is an enlarged view of the seventh figure C of the present invention.

The ninth figure is a top view of another operating state of the torque wrench structure of the present invention.

The tenth figure is a cross-sectional view of the ninth figure B-B of the present invention.

The eleventh figure is an enlarged view of the tenth figure C of the present invention.

Figure 12 is a side view of the torque wrench structure of the present invention.

The thirteenth figure is a cross-sectional view at the twelfth figure F-F of the present invention.

Figure 14 is a sectional view of a second embodiment of the present invention.

The fifteenth figure is an enlarged view of the fourteenth figure C of the present invention.

The sixteenth figure is an exploded perspective view of the third embodiment of the present invention.

Figure 17 is a perspective view of a second ring body according to a third embodiment of the present invention.

Figure 18 is a three-dimensional assembled view of the third embodiment of the present invention.

The nineteenth figure is an enlarged view of the eighteenth figure D of the present invention.

Figure 20 is a side view of a third embodiment of the present invention.

The twenty-first figure is a cross-sectional view at the twenty-first figure E-E of the present invention.

First, please refer to the first to fourth figures. The first figure is an exploded perspective view of the torque wrench structure of the present invention, the second figure is a side view of the control collar 30 of the torque wrench structure of the present invention, and the third figure is the present invention. A cross-sectional view at AA in the second figure, and a fourth view is a perspective view of the positioning member of the torque wrench structure of the present invention. The present invention relates to a torque wrench structure, which includes: a first body 10, the first body 10 is a round rod In the shape of a body, an accommodating groove 11 is provided inside the first body 10, and the accommodating groove 11 is in the shape of a round groove. A first through groove 12 is provided on the first body 10, and the first through groove 12 is It communicates with the receiving groove 11, the first through groove 12 is a long hole groove, the first body 10 is provided with a first ring groove 14, and the first ring groove 14 is a concave ring groove. The first body 10 is provided with two restricting grooves 15, which are symmetrical with respect to the first through groove 12, and the first body 10 is provided with a bead-receiving groove 16, and the bead-receiving groove. The 16 series is in communication with the accommodating groove 11. Based on the axis of the first body 10, the accommodating bead groove 16 and the first penetrating groove 12 are spaced at nine intervals. Degree-shaped, the accommodating bead groove 16 is provided on one side of a restricting groove 15 thereof, and the accommodating bead groove 16 is in a circular perforated shape; a second body 20, the second body 20 is pivoted with the first body 10 A driving part 21 is provided at one end of the second body 20, and the driving part 21 is exposed from the first body 10. In addition, the driving portion 21 is a ratchet wrench structure, an open-end wrench structure, or any rotating structure with a four-cornered head. The other end of the second body 20 is provided with a plurality of positioning grooves 22 on the outer peripheral surface. The plurality of positioning grooves 22 Hidden in the receiving slot 11 of the first body 10, the first body 10 is rotatable relative to the second body 20, so that the first through slot 12 of the first body 10 is connected to the second body Each positioning groove 22 of 20 is relatively positive. The plurality of positioning grooves 22 are arranged in a ring shape. The number of the positioning grooves 22 is ten. Each of the positioning grooves 22 is a concave arc groove. The groove 22 is far away from the driving part 21; a control collar 30, please supplement as shown in the second and third figures, the control collar 30 is a ring-shaped body made of metal, and the control collar 30 The control sleeve 30 is sleeved on the first body 10, and the control collar 30 is axially movable on the first body 10 to a locked position and an unlocked position, behind the inner peripheral surface of the control sleeve 30. A spring groove 31 is provided on the side. The spring groove 31 extends to the rear face of the control collar 30 and has an open end surface. The opening of the spring groove 31 is not connected. To the driving portion 21, a first abutment edge 32 is provided at the bottom of the spring groove 31, a first peripheral surface 33 is provided at the control collar 30, and the first abutment edge 32 is provided between the spring groove 31 and the first abutment 32. There are 33 peripheral surfaces. The diameter of the first peripheral surface 33 is smaller than the diameter of the spring groove 31. The first peripheral surface 33 has the smallest inner diameter. The control collar 30 is provided with a second peripheral surface 34. The first peripheral surface 33 is disposed between the first abutment edge 32 and the second peripheral surface 34. The diameter of the second peripheral surface 34 is larger than the diameter of the first peripheral surface 33. The first peripheral surface 33 and the A first tapered groove 35 is provided between the second peripheral surfaces 34. The first tapered groove 35 is enlarged from the first peripheral surface 33 to the second peripheral surface 34. The first peripheral surface 33 is provided. Between the first abutment edge 32 and the first tapered groove 35, the control collar 30 is provided with a second tapered groove 36, and the second tapered groove 36 is from the opening of the spring groove 31 to the first An abutment edge 32 is enlarged. The first abutment edge 32 is disposed between the first peripheral surface 33 and the second tapered groove 36. The control collar 30 is sequentially provided with the spring groove 31, The second tapered groove 36, the first abutment edge 32, the first peripheral surface 33, the first tapered groove 35, and the second peripheral surface 34; an elastic element 40 is sleeved on the elastic element 40; On the first body 10, the elastic element 40 springs against the control collar 30. The elastic element 40 enables the control loop 30 to have an elastic abutment effect for moving from the non-locking position to the locking position. The elastic element 40 is accommodated in the spring groove 31. The elastic element 40 is provided with a first end 41. The first end 41 is elastically pressed against the first body 10. The elastic element 40 is provided with a first Two ends 42, the second end 42 springs against the first contact edge 32; a first ring body 50, the first ring body 50 is sleeved at the first ring groove 14, the first ring The body 50 is hidden in the control collar 30, and the first ring body 50 is slightly outwardly elastic. When the control collar 30 is axially moved to a locked position, the first ring body 50 is against the On the inner peripheral surface of the spring groove 31, when the control collar 30 is axially moved to a non-locking position, the first ring body 50 is outwardly expanded against the second tapered groove 36; a positioning member 60, please assist As shown in the fourth figure, this The positioning member 60 is made of metal and has a cylindrical shape. The positioning member 60 is housed in the first through groove 12. The positioning member 60 is hidden in the control collar 30. The positioning member 60 is With or without locking at the positioning groove 22, one end of the positioning member 60 is provided with a third ring groove 61, the third ring groove 61 is concave ring groove shape, and one end of the positioning member 60 has a cone shape. The positioning member 60 is provided with one end of the cone facing the elastic element 40; a second ring body 70, the second ring body 70 is sleeved on the first body 10 and the third of the positioning member 60; On the ring groove 61, a restriction portion 71 is provided at each end of the second ring body 70, and the restriction portion 71 is accommodated in the restriction groove 15 so that the second ring body 70 is not connected with the first Ontology 10 Phase separation, and the positioning member 60 is also restricted by the second ring body 70 without coming out of the first through groove 12, the second ring body 70 has elastic restoring force, and the second ring body 70 is It is a C-shaped ring body made of metal material; a bead body 80 is housed in the bead groove 16, the bead body 80 is hidden inside the control collar 30, and the bead body 80 rests on Abutting on the first tapered groove 35 of the control collar 30, the control collar 30 is restricted by the bead 80, so that the control collar 30 is prevented from coming out of the first body 10; when the control When the collar 30 is in the locked position, the elastic element 40 pushes the control collar 30 in the direction of the driving portion 21, and the first ring body 50 abuts against the inner peripheral surface of the spring groove 31. One end of the member 60 is abutted by the first peripheral surface 33 of the control collar 30 and is slightly hidden in the first through slot 12, so that the positioning member 60 is positioned against one of the positioning slots 22 and cannot be displaced. The first body 10 and the second body 20 are restricted by the positioning member 60. The first body 10 cannot rotate relative to the second body 20, and the other end of the positioning member 60 is aligned with the second body. The peripheral surface 34 and the first cone At the shaped groove 35, the bead 80 is slightly exposed outside the bead groove 16 and abuts against the first tapered groove 35; the control collar 30 is on the first body 10 toward the driving portion 21 When it is displaced in the opposite direction and is located in the non-locking position, the elastic element 40 is compressed by the first abutment edge 32 of the control collar 30 and is compressed, and the first ring body 50 is expanded outward. The first ring body 50 abuts against the second tapered groove 36, and the control collar 30 is positioned in an unlocked position due to the first ring body 50, and one end of the positioning member 60 is in the first periphery. The surface 33 is disengaged. The positioning member 60 is limited only by the second ring body 70. The bead 80 is separated from the first tapered groove 35, and the first body 10 can be opposite to the second body 20. By rotating, the positioning member 60 can be displaced on the second body 20 and positioned at any positioning slot 22. The positioning member 60 is pushed by the wall surface of the second body 20 to open the second ring body. 70. When the positioning member 60 is moved from one positioning slot 22 to the next positioning slot 22, the positioning member 60 is accommodated in each positioning slot 22 by the elastic restoring force of the second ring body 70. The system will make a sound, A prompt sound will be generated between the positioning member 60 and each positioning groove 22 for understanding the rotation state of the first body 10. The prompt sound generated by the positioning member 60 also knows that the positioning member 60 has aligned its position. A positioning slot 22.

Please continue to refer to the fifth to eighth figures, the fifth figure is a perspective view of the torque wrench structure of the present invention, the sixth figure is an upper view of the torque wrench structure of the present invention, and the seventh figure is the sixth figure BB of the present invention The eighth figure is an enlarged view of the seventh figure C of the present invention. As can be clearly shown from the figure, one end of the positioning member 60 is abutted by the first peripheral surface 33, so that the positioning member 60 is positioned. At any positioning groove 22, to restrict the first body 10 from rotating relative to the second body 20, the second ring body 70 is sleeved on the third ring groove 61, and the eighth figure is the control ring 30 In the locked position.

Please refer to the ninth to eleventh figures. The ninth figure is a top view of another operating state of the torque wrench structure of the present invention, the tenth figure is a cross-sectional view at the BB of the ninth figure of the present invention, and the eleventh figure is The enlarged view at the tenth figure C of the invention can be clearly shown from the figure. When the control collar 30 is moved on the first body 10 in the opposite direction of the driving portion 21 to the non-locking position, it is as if Moving in the direction of the arrow shown in the ninth figure, the elastic element 40 is compressed by the first abutment edge 32 of the control collar 30, and the first ring body 50 abuts against the second cone. At the groove 36, the control collar 30 is positioned in the non-locking position. One end of the positioning member 60 is disengaged from the first peripheral surface 33. The bead 80 is in phase with the first tapered groove 35. When away, the first body 10 can rotate relative to the second body 20.

Please refer to the twelfth and thirteenth figures. The twelfth figure is a side view of the torque wrench structure of the present invention, and the thirteenth figure is a sectional view at FF of the twelfth figure of the present invention. The thirteenth figure is the state where the control collar 30 is in the locked position, and the bead 80 is slightly protruding from the bead groove 16 and abuts against the first tapered groove 35 to avoid the The control collar 30 comes out of the first body 10.

Please continue to refer to the fourteenth and fifteenth figures. The fourteenth figure is a cross-sectional view of the second embodiment of the present invention, and the fifteenth figure is an enlarged view of the fourteenth figure C of the present invention. As clearly shown, please supplement it with the third figure. The body 10 is provided with a fourth ring groove near the opening of the receiving groove 11, and the fourth ring groove is far from the first ring groove 14. The fourth ring groove is a concave ring groove. The control collar 30 is provided with a third tapered groove 37. The third tapered groove 37 is provided near the opening of the spring groove 31. The third tapered groove 37 is separated from the first abutment edge 32, the second tapered groove 36 is provided between the first abutment edge 32 and the third tapered groove 37, and the control collar 30 is provided with a second abutment edge 38, the second abutment edge 38 is provided on the front side of the inner peripheral surface of the control collar 30, the second abutment edge 38 is away from the spring groove 31, and the second peripheral surface 34 is provided on the first cone Between the shaped groove 35 and the second abutment edge 38, a third ring body 81 is provided. The third ring body 81 is sleeved at the fourth ring groove of the body 10. The third ring body 81 is slightly convex. Exposed outside the fourth ring groove, when the control collar 3 When 0 is in the locked position, the first ring body 50 abuts against the third tapered groove 37, the bead body 80 abuts against the first tapered groove 35, and the third ring body 81 abuts against At the second abutment edge 38, the control collar 30 is simultaneously positioned at the locked position due to the first ring body 50, the bead 80, and the third ring body 81, and when the control collar 30 is displaced to In the non-locking position, the first ring body 50 abuts the second tapered groove 36, and the control collar 30 is also positioned in the non-locking position due to the first ring body 50. At this time, the first The tricyclic body 81 is separated from the second abutment edge 38.

The control collar 30 of the second embodiment of the fifteenth figure is different from the control collar 30 of the first embodiment of the third figure in that the control collar 30 of the fifteenth figure is additionally provided with the The third tapered groove 37 and the second abutment edge 38 are provided with the fourth ring groove and the third ring body 81.

Please refer to the sixteenth to nineteenth diagrams. The sixteenth diagram is an exploded perspective view of the third embodiment of the present invention, and the seventeenth diagram is a perspective view of the second ring body of the third embodiment of the present invention. The eighth figure is a three-dimensional combined view of the third embodiment of the present invention, and the nineteenth figure is an enlarged view of the eighteenth figure D of the present invention. The positioning member 60 is two shapes, and one positioning member 60 is accommodated in The first through slot 12 can be positioned at any of the positioning slots 22, the positioning member 60 is shaped like a conical body, and the other positioning member 60 is integrated with the second ring body 70. The positioning member 60 Is located at the center of the second ring body 70, the positioning member 60 is U-shaped block body, the second ring body 70 is sleeved on the first body 10, and is provided on the second ring body 70 The positioning member 60 is also accommodated in the first through slot 12 and is juxtaposed with another positioning member 60.

Please refer to the twentieth and twenty-first figures. The twentieth figure is a side view of the third embodiment of the present invention, and the twenty-first figure is a cross-sectional view at EE of the twentieth figure of the present invention. A body 10, the positioning member 60 provided on the second ring body 70 is displaced on the second body 20 and positioned in any positioning groove 22, and the positioning member 60 provided on the second ring body 70 is first The second ring body 70 is pushed back by the wall surface of the second body 20 to open the second ring body 70 and then positioned at another positioning slot 22. The second ring body 70 is elastically reset. When the positioning member 60 accommodates the positioning groove 22 again, a prompt sound is generated.

In another embodiment of the present invention, the main function of the positioning member 60 shown in the sixteenth figure is the positioning card, and the shape of the positioning member 60 can be a common bead shape and also has a similar shape. Same effect.

The advantages of the torque wrench structure of the present invention are:

1. When the control collar 30 is in the non-locking position, the first body 10 can rotate relative to the second body 20, so that the positioning member 60 can be displaced on the second body 20 and positioned at any position. At the groove 22, when the positioning member 60 is moved from one positioning groove 22 to the next positioning groove 22, the positioning member 60 is pushed by the outer peripheral surface of the second body 20 to support the second ring body 70. When the positioning member 60 is aligned with the next positioning groove 22 again, the positioning member 60 is re-accommodated in the next positioning groove 22 due to the elastic restoring force of the second ring body 70 and enters the positioning groove 22. Sound, the re-installation between the positioning member 60 and each positioning slot 22 will generate a prompt sound for understanding the rotation state of the first body 10 to adjust the torque value, and it can also be known that the positioning member 60 is already It is set in a positioning slot 22, and if the torque wrench structure is adjusted to the required torque value, it is convenient to return the control collar 30 to the locked position again.

2. When the positioning member 60 is accommodated in the positioning groove 22 again, it is accommodated for the elastic restoring force of the second ring body 70, and is accommodated with the limitation of the elastic restoring force of the second ring body 70. The displacement path is performed according to the arc surface of the positioning groove 22, so the sound of the positioning member 60 is more reliable. The displacement of the positioning member 60 is restricted by the second ring body 70. The sound can also be smoother.

3. The positioning groove 22 is hidden in the first body 10, so it can be known by sound that the positioning member 60 is accommodated in the positioning groove 22 of the required torque value, and can be judged by sound during operation. More practical.

4. When the control collar 30 is moved on the first body 10 in the opposite direction of the driving portion 21 to the non-locking position, the elastic element 40 is compressed by the first abutment edge 32 and becomes compressed, The first ring The body 50 is flared and abuts against the second tapered groove 36, so that the control collar 30 is positioned in a non-locking position, and the hand does not need to be pushed all the way to the control collar 30 to facilitate manual rotation. When the first body 10 is moved, and the first ring body 50 is stretched out and abuts against the second tapered groove 36, the first ring body 50 may have a sound when stretched out, and may also depend on the first ring body 50. It has been sounded that the control collar 30 is determined to be in the unlocked position.

5. The first body 10 has a sound when it rotates relative to the second body 20, and the control collar 30 also has a sound when it is in the non-locking position, and both have a sound prompt when the torque is adjusted.

6. The number of the plurality of positioning grooves 22 of the second body 20 is ten, so when the first body 10 rotates relative to the second body 20, there will be ten, and the positioning member 60 is further accommodated in the positioning. The sound of the groove 22, that is, when the first body 10 rotates one turn relative to the second body 20, the torque value of ten steps can be adjusted.

7. The control collar 30 is axially movable on the first body 10 to a locked position and an unlocked position. When the control collar 30 is in the locked position, the elastic element 42 is directed to the The driving part 21 pushes the control collar 30 in the direction, and the positioning member 60 is pushed by the first peripheral surface 33 of the control collar 30, so that the positioning member 60 is positioned against any of the positioning grooves 22. The first body 10 and the second body 20 are restricted by the positioning member 60 to restrict the first body 10 from rotating relative to the second body 20.

8. When the control collar 30 is in the locked position, the first body 10 and the second body 20 are not rotated with each other by the positioning member 60. The positioning member 60 is cylindrical, and the positioning member 60 has a larger contact area with the positioning groove 22, and the positioning member 60 has a greater structural support force.

9. As shown in the fifteenth figure, the control collar 30 is provided with the second tapered groove 36 and the third tapered groove 37, the second tapered groove 36 and the third tapered groove 37 is for the first ring body 50 to abut against each other when the control collar 30 is in the non-locked position and the locked position, so that the control collar 30 is positioned.

Therefore, the torque wrench structure of the present invention has industrial applicability, novelty, and progress, and can meet the application requirements of the invention patent, and submit an application according to law.

Claims (13)

A torque wrench structure includes: a first body, an inside of the first body is provided with an accommodation groove, the accommodation groove is in the shape of a circular groove, and the first body is provided with a first through groove, The first channel is in communication with the receiving slot; a second body is pivoted with the first body, and one end of the second body is provided with a driving part, and the driving part is convex Exposed outside the first body, a plurality of positioning grooves are provided on the outer peripheral surface of the other end of the second body, and the plurality of positioning grooves are hidden in the accommodation groove. The first system can rotate relative to the second body. The first slotting system is relatively positive with each positioning slot, and the plurality of positioning slots are arranged in a ring shape; a control collar is set on the first body, and the control collar It is axially movable on the first body to a locked position and a non-locked position. A spring groove is provided behind the inner peripheral surface of the control collar, and the spring groove extends behind the control collar. The end surface is open. The opening of the spring groove is not opposed to the driving part, and the bottom of the spring groove is provided. A first abutment edge, the control collar is provided with a first peripheral surface, the first abutment edge is provided between the spring groove and the first peripheral surface, and the diameter of the first peripheral surface is smaller than that of the spring groove Diameter, the first peripheral surface has the smallest inner diameter, the control collar is provided with a second peripheral surface, the first peripheral surface is disposed between the first abutment edge and the second peripheral surface, and the second peripheral surface The diameter of the surface is larger than the diameter of the first peripheral surface. A first tapered groove is provided between the first peripheral surface and the second peripheral surface. The first tapered groove is from the first peripheral surface to the first peripheral surface. The second peripheral surface is enlarged. The first peripheral surface is provided between the first abutment edge and the first tapered groove. The control collar is provided with the spring groove, the first abutment edge, and the first A peripheral surface, the first tapered groove and the second peripheral surface; an elastic element is sleeved on the first body, and the elastic element is elastically resisted On the control collar, the elastic element enables the control collar to have an elastic abutment effect of moving from the non-locking position to the locking position. The elastic element is housed in the spring groove, and the elastic element is provided. There is a first end, the first end is elastically abutted against the first body, the elastic element is provided with a second end, and the second end is elastically abutted against the first abutting edge; a positioning member, the positioning A piece is accommodated in the first slot, the positioning piece is hidden in the control collar, the positioning piece can be snapped or not snapped in the positioning slot, and the positioning piece is provided with a third ring The third ring groove is a concave ring groove; a second ring body is sleeved on the first body and the third ring groove of the positioning member, and the positioning member is also restricted The second ring system has elastic restoring force outside the second ring body without coming out of the first through groove. The torque wrench structure according to claim 1, wherein the first system is a round rod body, the receiving groove is a hollow round groove shape, the first through groove is a long hole groove shape, and the drive The part is a ratchet wrench structure, an open-end wrench structure or any rotating structure with a four-cornered head. The number of the positioning grooves is ten, and each positioning groove is a concave arc groove. The plurality of positioning grooves are connected with The driving part is separated from each other, the control collar is a ring shape made of metal material, and the second ring system is a C-shaped ring shape made of metal material. The torque wrench structure according to claim 1, wherein the first system is provided with a first ring groove, the first ring groove is a concave ring groove, and the control collar is provided with a second tapered groove. The second tapered groove is enlarged from the opening of the spring groove to the first abutment edge. The first abutment edge is provided between the first peripheral surface and the second tapered groove. The control collar The spring groove, the second tapered groove, the first abutment edge, the first peripheral surface, the first tapered groove, and the second peripheral surface are sequentially provided with a first ring body. A ring system is nested at the first ring groove, and the first ring system is hidden from the control In the manufacturing collar, the first ring system is slightly outwardly elastic. When the control collar moves axially to a locked position, the first ring system abuts against the inner peripheral surface of the spring groove, and the control collar shaft When moving to a non-locking position, the first ring system is stretched against the second tapered groove. The torque wrench structure according to claim 1, wherein the first body is provided with a bead-receiving groove, the bead-receiving groove is in communication with the accommodating groove, and a bead is provided, and the bead system is accommodated in At the bead-receiving groove, the bead system is hidden inside the control collar, the bead system rests on the first conical groove of the control collar, and the control collar is restricted by the bead, so that the control The loop system avoids getting out of the first body. The torque wrench structure according to claim 4, wherein, with the axis of the first body, the bead groove system is ninety degrees apart from the first penetrating groove system, and the bead groove system is circularly perforated . The torque wrench structure according to claim 1, wherein the first system is provided with two restricting grooves, the two restricting grooves are symmetrical with respect to the first slotting system, and the two end portions of the second ring body are Each is provided with a restricting part, which is accommodated in the restricting groove so that the second ring system is not separated from the first body. The torque wrench structure according to claim 1, wherein the positioning member is made of metal. The torque wrench structure according to claim 1, wherein the positioning member is cylindrical. The torque wrench structure according to claim 1, wherein one end of the positioning member has a cone shape, and one end of the positioning member is provided with a cone facing the elastic element. The torque wrench structure according to claim 3, wherein when the control collar is in the locked position, the elastic element pushes the control collar toward the driving portion, and the first ring system is against the spring On the inner peripheral surface of the groove, one end of the positioning member is abutted by the first peripheral surface of the control collar and is slightly hidden in the first through groove, so that the positioning member abuts against any positioning groove. But cannot be displaced, the first body and the second body are restricted by the positioning member, the first system cannot rotate relative to the second body, and the other end of the positioning member is aligned with the second peripheral surface and At the first tapered groove. The torque wrench structure according to claim 3, wherein the elastic element is subject to the control sleeve when the control collar is axially displaced on the first body in a direction opposite to the driving portion and is located in a non-locking position. The first abutment edge of the ring is compressed and compressed. The first ring system is stretched out. The first ring system abuts the second tapered groove. The control loop is caused by the first ring body. Positioned in a non-locking position, one end of the positioning member is disengaged from the first peripheral surface. The positioning member is limited only by the second ring body, and the first body can rotate relative to the second body, so that the The positioning member is displaceable on the second body and positioned at any positioning slot. The positioning member is pushed by the wall surface of the second body to open the second ring body. When the positioning member is positioned by one of the positioning members, When the groove is moved to the next positioning groove, the positioning member is resupplied by the elastic restoring force of the second ring body, and a sound will be emitted when it is accommodated in each positioning groove, that is, between the positioning member and each positioning groove. A containment sound will be generated for understanding the rotation state of the first body, and a sound generated by the positioning member It is also known that the positioning member has aligned one of the positioning grooves. The torque wrench structure according to claim 3, wherein the body is provided with a fourth ring groove near the opening of the accommodation groove, the fourth ring groove is far from the first ring groove, and the fourth ring is The groove system is in the form of a concave ring groove. The control collar is provided with a third tapered groove. The third tapered groove is provided near the opening of the spring groove. The third tapered groove is in contact with the first edge. Far from each other, the second tapered groove is provided between the first abutment edge and the third tapered groove, and the control collar is provided with a second abutment edge, and the second abutment edge is provided on the control collar. On the front side of the inner peripheral surface, the second abutment edge is separated from the spring groove, and the second peripheral surface is provided between the first tapered groove and the second abutment edge, and a third ring body is provided. A three-ring system is set on the fourth ring groove of the body, and the third ring system is slightly protruding from the fourth ring. Outside the groove, when the control collar is in the locked position, the first ring system abuts against the third tapered groove, the control collar is positioned in the locked position due to the first ring body, and when the When the control collar is displaced to the unlocked position, the first ring system abuts against the second tapered groove, and the control collar is also positioned in the unlocked position due to the first ring body. The torque wrench structure according to claim 1, wherein the positioning member has two shapes, and one positioning member is accommodated in the first through slot and can be positioned at any positioning slot. The positioning member is It is shaped like a cone, and another positioning member is integrated with the second ring body. The positioning member is located at the center of the second ring body. The positioning member is U-shaped block. A ring system is sleeved on the first body, and the positioning member provided on the second ring body is also accommodated at the first through slot and juxtaposed with another positioning member.