TW202237343A - Torque wrench - Google Patents

Abstract

A torque wrench includes a body and a measuring device. The body includes a head and a rod. One end of the rod is connected to the head. The measuring device includes a strain gauge seat and a strain gauge. The strain gauge seat is arranged in the rod. The strain gauge seat is provided with a first groove and a deformation portion adjacent to the first groove. The strain gauge is connected to the deformation portion. Thus, the torque wrench can make the torque value measured by the measuring device accurate by the above structure.

Description

torque wrench

The present invention mainly discloses a wrench, especially a torque wrench.

Please refer to the patent case of "Electronic Torque Wrench with Sensing Structure" in Taiwan Patent No. I625202, which is an electronic torque wrench with sensing structure, including: a tube body, a working head and a sensor parts; the working head further includes: a head and a joint, the joint is fixed in the pipe body from the front end of the pipe body, the head is located at the front end of the pipe body; the sensing part is set on the outer peripheral wall of the tube.

Generally speaking, the operation method of an electronic torque wrench is to set the strain gauge on the body of the wrench handle or other components, use the measured strain and convert it through a specific formula to obtain the torque value output by the wrench. The above-mentioned torque wrench is The sensing element is installed on the outer peripheral wall of the tube body. However, when measuring the strain value of the torque wrench tube body or other elements that provide structural rigidity, errors are prone to occur, and it is not easy to obtain accurate torque values.

In view of the deficiency of the above-mentioned conventional structure, the present inventor has designed a torque wrench, which can overcome all the shortcomings of the above-mentioned conventional structure.

The main purpose of the torque wrench of the present invention is to provide a wrench including a body and a measuring device, the body includes a head and a rod, one end of the rod is connected to the head, the measuring device It includes a strain gauge seat and a strain gauge, the strain gauge seat is arranged in the rod part, the strain gauge seat is provided with a first groove and a deformation part adjacent to the first groove, the strain gauge is connected In the deformation part, the wrench can make the torque data measured by the measuring device accurate through the above structure.

The strain gauge seat is provided with a top, and the top has a raised structure and its surface is in the shape of a convex arc.

The inner periphery of the first groove is provided with a first surface and a second surface, the first surface faces the second surface, and a third surface is provided on one side of the deformation portion adjacent to the first groove , the third surface is disposed between the first surface and the second surface.

The strain gauge seat is provided with a first leg and a second leg, the first groove is arranged between the first leg and the second leg, and the first leg and the second leg are respectively connected by an integrally formed structure In the deformation part, the first surface is arranged on the side of the first foot adjacent to the first groove, the second surface is arranged on the side of the second foot adjacent to the first groove, and the first surface and The second surface is respectively connected to two opposite sides of the third surface.

The body is provided with a tripping mechanism and an elastic member, the elastic member is arranged on the side of the tripping mechanism opposite to the head, the first foot is against the tripping mechanism, and the second foot is against the The elastic member and the strain gauge are connected to a side of the deformation portion opposite to the third surface and facing the inner peripheral edge of the rod portion, and the third surface is a concave arc surface.

The escape mechanism is provided with a receiving groove, the abutting top is arranged on the side of the first foot opposite to the first groove, the surface of the abutting top is spherical, and the abutting top is arranged in the receiving groove, The abutting top abuts against the inner surface of the receiving groove.

The body is provided with a tripping mechanism, an elastic member and an adjusting mechanism, the elastic member is arranged on the side of the tripping mechanism opposite to the head, the elastic member is against the tripping mechanism, and the adjusting mechanism is set On the side of the elastic member opposite to the escape mechanism, the first leg abuts against the adjustment mechanism, the second foot abuts against the elastic member, and the strain gauge is connected to the deformation portion opposite to the third surface One side faces the inner peripheral edge of the rod, and the third surface is a concave arc surface.

The adjustment mechanism is provided with a receiving groove, the abutting top is arranged on the side of the first foot opposite to the first groove, the surface of the abutting top is spherical, the abutting top is arranged in the receiving groove, the abutting top is arranged in the receiving groove, the The abutment top abuts against the inner surface of the receiving groove.

The strain gauge seat is provided with a second groove and a third groove, the second groove is arranged between the first surface and the third surface, so that the first surface and the third surface are not connected, The second groove communicates with the first groove, the third groove is arranged between the second surface and the third surface, so that the second surface and the third surface are not connected, and the third groove The groove communicates with the first groove.

The strain gauge seat is provided with a first leg and a second leg, the first groove is arranged between the first leg and the second leg, and the first leg and the second leg are respectively connected by an integrally formed structure In the deformed portion, the first surface is disposed on a side of the first foot adjacent to the first groove, and the second surface is disposed on a side of the second foot adjacent to the first groove.

The body is provided with a tripping mechanism and an elastic member, the elastic member is arranged on the side of the tripping mechanism opposite to the head, the first foot is against the tripping mechanism, and the second foot is against the The elastic member and the strain gauge are connected to the third surface and face the inner peripheral edge of the rod.

The escape mechanism is provided with a receiving groove, the abutting top is arranged on the side of the first foot opposite to the first groove, the abutting top is arranged in the receiving groove, and the abutting top abuts against the receiving groove inside.

The body is provided with a tripping mechanism, an elastic member and an adjusting mechanism, the elastic member is arranged on the side of the tripping mechanism opposite to the head, the elastic member is against the tripping mechanism, and the adjusting mechanism is set On the side of the elastic member opposite to the escape mechanism, the first foot abuts against the adjustment mechanism, the second foot abuts against the elastic member, the strain gauge is connected to the third surface and faces the rod inner periphery.

The adjustment mechanism is provided with a receiving groove, the abutting top is arranged on the side of the first foot opposite to the first groove, the abutting top is arranged in the receiving groove, and the abutting top abuts against the inside of the receiving groove noodle.

The body is provided with a tripping mechanism and an elastic member, the elastic member is arranged on the side of the tripping mechanism opposite to the head, and the side of the first foot opposite to the tripping mechanism is opposite to the second foot One side of the escape mechanism respectively abuts against the elastic member, the third surface faces the inner peripheral edge of the rod portion, the strain gauge faces the elastic member, and the strain gauge seat abuts against the side opposite to the elastic member on the escape mechanism.

The tripping mechanism is provided with a receiving groove, the abutting top is arranged on the side of the deformation part opposite to the strain gauge, the abutting top is arranged in the receiving groove, and the abutting top abuts against the inner surface of the receiving groove.

The body is provided with a tripping mechanism, an elastic member and an adjusting mechanism, the elastic member is arranged on the side of the tripping mechanism opposite to the head, the elastic member is against the tripping mechanism, and the adjusting mechanism is set On the side of the elastic member opposite to the jumping mechanism, the side of the first foot opposite to the adjustment mechanism and the second foot are respectively against the elastic member, and the third foot is opposite to the adjustment mechanism. The surface faces the inner peripheral edge of the rod portion, the strain gauge faces the elastic member, and the side of the strain gauge seat opposite to the elastic member abuts against the adjustment mechanism.

The adjustment mechanism is provided with a receiving groove, the abutting portion is arranged on the side of the deformation portion opposite to the strain gauge, the abutting portion is arranged in the receiving groove, and the abutting portion abuts against the inner surface of the receiving groove.

The body is provided with a tripping mechanism, an elastic member and an adjusting mechanism, the elastic member is arranged on the side of the tripping mechanism opposite to the head, the elastic member is against the tripping mechanism, and the adjusting mechanism is set On the side of the elastic member opposite to the escape mechanism, one end of the first foot opposite to the deformation portion and one end of the second foot opposite to the deformation portion respectively abut against the elastic member, and the strain gauge is connected to The third surface faces the elastic member, and a side of the strain gauge base opposite to the elastic member is against the adjustment mechanism.

The adjustment mechanism is provided with a receiving groove, the abutting portion is arranged on the side of the deformation portion opposite to the strain gauge, the abutting portion is arranged in the receiving groove, and the abutting portion abuts against the inner surface of the receiving groove.

The adjustment mechanism is provided with a receiving groove, the abutting portion is arranged on the side of the deformation portion opposite to the strain gauge, the surface of the abutting portion is cylindrical, the abutting portion extends radially along the rod portion, and the abutting portion The top is arranged in the receiving groove, and the abutting top leans against the inner surface of the receiving groove.

The body is provided with a jumping mechanism and an elastic member, the elastic member is arranged on the side of the jumping mechanism opposite to the head, the end of the first foot opposite to the deformation part and the second foot are opposite to the One end of the deformation part abuts against the elastic piece respectively, the strain gauge is connected to the third surface and faces the elastic piece, and the side of the strain gauge seat opposite to the elastic piece abuts against the tripping mechanism.

The tripping mechanism is provided with a receiving groove, and the abutting portion is arranged on the side of the deformation portion opposite to the strain gauge, and the abutting portion includes an accommodating groove and an abutting member, and the accommodating groove is recessed in the Deformation part, the propping piece is in the shape of a spherical ball, the propping piece is arranged in the receiving groove and the accommodating groove, and the abutting piece abuts against the inner surface of the receiving groove and the accommodating groove in a surface contact manner at the same time inside of the groove.

The tripping mechanism is provided with a receiving groove, the abutting top is arranged on the side of the deformation part opposite to the strain gauge, the abutting part is arranged on the deformation part in an integrally formed structure, the abutting part is arranged in the receiving groove, The abutting portion abuts against the inner surface of the receiving groove in a surface contact manner.

The tripping mechanism is provided with a receiving groove, and the abutting portion is arranged on the side of the deformation portion opposite to the strain gauge. The surface of the abutting portion is cylindrical, and the abutting portion extends radially along the rod portion. The abutting top is arranged in the receiving groove, and the abutting top leans against the inner surface of the receiving groove.

The tripping mechanism is a one-way tripping mechanism.

The tripping mechanism is a two-way tripping mechanism.

Other objects, advantages and novelties of the present invention will be more apparent from the following detailed description and associated drawings.

Regarding the technology, means and effects adopted in the present invention, thirteen preferred embodiments are given and described in detail below with drawings, which are for illustration purposes only, and are not limited by this structure in patent applications.

Referring to Fig. 1 to Fig. 3, it is the three-dimensional appearance view, three-dimensional exploded view and cross-sectional structure view of the first embodiment of the torque wrench of the present invention. The wrench 10 of the present invention includes a body 20 and a measuring device 30; wherein:

The body 20 includes a head 21 and a rod 22 , one end of the rod 22 is connected to the head 21 .

The measuring device 30 includes a strain gauge base 31 and a strain gauge 32, the strain gauge base 31 is arranged in the rod portion 22, the strain gauge base 31 is provided with a first groove 311 and is connected with the first groove A deformation portion 33 adjacent to the groove 311, the inner periphery of the first groove 311 is provided with a first surface 312 and a second surface 313, the first surface 312 faces the second surface 313, the deformation The portion 33 is provided with a third surface 331 on one side adjacent to the first groove 311, the third surface 331 is disposed between the first surface 312 and the second surface 313, and the strain gauge 32 is connected to the deformation portion 33.

The strain gauge seat 31 is provided with a second groove 314 and a third groove 315, the second groove 314 is arranged between the first surface 312 and the third surface 331, so that the first surface 312 and the third surface 331 The third surface 331 is not connected, the second groove 314 communicates with the first groove 311, and the third groove 315 is arranged between the second surface 313 and the third surface 331, so that the second The surface 313 is not connected to the third surface 331 , and the third groove 315 is connected to the first groove 311 .

The strain gauge base 31 is provided with an abutting portion 316 , which is in the shape of a bulge and its surface is in the shape of a convex arc.

The strain gauge seat 31 is provided with a first pin 34 and a second pin 35, the first groove 311 is arranged between the first pin 34 and the second pin 35, the first pin 34 and the second pin The feet 35 are respectively connected to the deformation part 33 with an integral molding structure, the first surface 312 is arranged on the side of the first foot 34 adjacent to the first groove 311, and the second surface 313 is arranged on the side adjacent to the second foot 35 One side of the first groove 311 .

The main body 20 is provided with a tripping mechanism 23 and an elastic member 24, the elastic member 24 is arranged on the side of the tripping mechanism 23 opposite to the head 21, and the first foot 34 is opposite to the end of the deformation part 33. One end of the second foot 35 opposite to the deformation portion 33 respectively abuts against the elastic member 24, the strain gauge 32 is connected to the third surface 331 and faces the elastic member 24, and the strain gauge seat 31 is opposite to the elastic member 24. One side of the piece 24 abuts against the tripping mechanism 23 .

The tripping mechanism 23 is provided with a receiving groove 231, and the abutting portion 316 is disposed on the side of the deformation portion 33 opposite to the strain gauge 32. The abutting portion 316 includes an accommodating groove 317 and an abutting member 318, The accommodating groove 317 is recessed in the deformed portion 33, and the abutting member 318 is spherical in this embodiment, and the abutting member 318 is arranged in the receiving groove 231 and the accommodating groove 317. The component 318 abuts against the inner surface of the receiving groove 231 and the inner surface of the accommodating groove 317 in a surface contact manner at the same time.

The tripping mechanism 23 is a one-way tripping mechanism in this embodiment.

The wrench 10 can make the torque data measured by the measuring device 30 accurate through the above structure. The shape and structure of the strain gauge seat 31 enables it to produce regular micro-deformation when stressed, reducing the error of the measurement data of the strain gauge 32, thereby improving the accuracy of the torque data output by the measurement device 30.

Referring to Fig. 4 and Fig. 5, it is a three-dimensional exploded view and a sectional structure view of the second embodiment of the torque wrench of the present invention. The second embodiment of this case is substantially the same as the first embodiment, the main difference is that the main body 20a is provided with a tripping mechanism 23a, an elastic member 24a and an adjustment mechanism 25a, and the elastic member 24a leans against the tripping mechanism 23a, the adjustment mechanism 25a is arranged on the side of the elastic member 24a opposite to the escape mechanism 23a, the first foot 34a abuts against the adjustment mechanism 25a, the second foot 35a abuts against the elastic member 24a, the The strain gauge 32a is connected to the third surface 331a and faces the inner periphery of the rod portion 22a.

The adjustment mechanism 25a is provided with a receiving groove 251a, and the abutting top 316a is arranged on the side of the first leg 34a opposite to the first groove 311a. The surface of the abutting top 316a is spherical in this embodiment, The abutting portion 316a is disposed in the receiving groove 251a, and the abutting portion 316a abuts against the inner surface of the receiving groove 251a in a surface contact manner.

Referring to Fig. 6 to Fig. 8, it is a three-dimensional exploded view and a sectional structural view of a third embodiment of the torque wrench of the present invention. The third embodiment of this case is substantially the same as the first embodiment, the main difference is that the main body 20b is provided with a tripping mechanism 23b and an elastic member 24b, and the side of the first foot 34b opposite to the tripping mechanism 23b is in contact with The side of the second leg 35b opposite to the tripping mechanism 23b abuts against the elastic member 24b respectively, the third surface 331b faces the inner peripheral edge of the rod portion 22b, the strain gauge 32b faces the elastic member 24b, and the strain gauge 32b faces the elastic member 24b. A side of the gauge seat 31b opposite to the elastic member 24b abuts against the tripping mechanism 23b.

The jumping mechanism 23b is provided with a receiving groove 231b, and the abutting portion 316b is arranged on the side of the deformation portion 33b opposite to the strain gauge 32b. The surface of the abutting portion 316b is spherical in this embodiment, and the abutting portion 316b The top portion 316b is disposed in the receiving groove 231b, and the abutting portion 316b abuts against the inner surface of the receiving groove 231b in a surface contact manner.

Referring to Fig. 9 to Fig. 11, it is a three-dimensional exploded view and a sectional structural view of a fourth embodiment of the torque wrench of the present invention. The fourth embodiment of this case is substantially the same as the first embodiment, the main difference is that the main body 20c is provided with a tripping mechanism 23c, an elastic member 24c and an adjustment mechanism 25c, and the elastic member 24c leans against the tripping mechanism 23c, the adjustment mechanism 25c is set on the side of the elastic member 24c opposite to the escape mechanism 23c, the first foot 34c is opposite to the side of the adjustment mechanism 25c and the second foot 35c is opposite to the adjustment mechanism 25c One side respectively abuts against the elastic member 24c, the third surface 331c faces the inner peripheral edge of the rod portion 22c, the strain gauge 32c faces the elastic member 24c, and the strain gauge seat 31c abuts against the side opposite to the elastic member 24c Lean against the adjustment mechanism 25c.

The adjustment mechanism 25c is provided with a receiving groove 251c, and the abutting portion 316c is arranged on the side of the deformation portion 33c opposite to the strain gauge 32c. The surface of the abutting portion 316c is spherical in this embodiment, and the abutting portion 316c is disposed in the receiving groove 251c, and the abutting portion 316c abuts against the inner surface of the receiving groove 251c in a surface contact manner.

Referring to Fig. 12 and Fig. 13, it is a three-dimensional exploded view and a cross-sectional structural view of a fifth embodiment of the torque wrench of the present invention. The fifth embodiment of this case is substantially the same as the first embodiment, the main difference is that the main body 20d is provided with a tripping mechanism 23d, an elastic member 24d and an adjustment mechanism 25d, and the elastic member 24d leans against the tripping mechanism 23d, the adjustment mechanism 25d is arranged on the side of the elastic member 24d opposite to the escape mechanism 23d, the end of the first foot 34d opposite to the deformation portion 33d and the end of the second foot 35d opposite to the deformation portion 33d Respectively against the elastic member 24d, the strain gauge 32d is connected to the third surface 331d and faces the elastic member 24d, and the side of the strain gauge seat 31d opposite to the elastic member 24d abuts against the adjustment mechanism 25d.

The adjustment mechanism 25d is provided with a receiving groove 251d, and the abutting portion 316d is arranged on the side of the deformation portion 33d opposite to the strain gauge 32d. The surface of the abutting portion 316d is spherical in this embodiment, and the abutting portion 316d is disposed in the receiving groove 251d, and the abutting portion 316d abuts against the inner surface of the receiving groove 251d in a surface contact manner.

Referring to Fig. 14 to Fig. 16, it is a three-dimensional exploded view and a cross-sectional structural view of a sixth embodiment of the torque wrench of the present invention. The sixth embodiment of this case is substantially the same as the fifth embodiment, the main difference is that the adjusting mechanism 25e is provided with a receiving groove 251e, and the abutting portion 316e is provided on the side of the deformed part 33e opposite to the strain gauge 32e. The surface of the abutting portion 316e is cylindrical in this embodiment, the abutting portion 316e extends along the radial direction of the rod portion 22e, the abutting portion 316e is disposed in the receiving groove 251e, and the abutting portion 316e abuts in a surface contact manner. lean against the inner surface of the receiving groove 251e.

Referring to Fig. 17 and Fig. 18, it is a three-dimensional exploded view and a cross-sectional structural view of a seventh embodiment of the torque wrench of the present invention. The seventh embodiment of this case is substantially the same as the first embodiment, the main difference is that the main body 20f is provided with a tripping mechanism 23f and an elastic member 24f, the first foot 34f leans against the tripping mechanism 23f, and the first leg 34f leans against the tripping mechanism 23f. The two legs 35f lean against the elastic member 24f, and the strain gauge 32f is connected to the third surface 331f and faces the inner periphery of the rod portion 22f.

The tripping mechanism 23f is provided with a receiving groove 231f, and the abutting portion 316f is arranged on the side of the first leg 34f opposite to the first groove 311f, and the surface of the abutting portion 316f is spherical in this embodiment. , the abutting portion 316f is disposed in the receiving groove 231f, and the abutting portion 316f abuts against the inner surface of the receiving groove 231f in a surface contact manner.

Referring to Fig. 19 to Fig. 21, it is a three-dimensional exploded view and a cross-sectional structural view of the eighth embodiment of the torque wrench of the present invention. The eighth embodiment of this case is substantially the same as the first embodiment, the main difference is that the tripping mechanism 23g is provided with a receiving groove 231g, and the abutting portion 316g is provided on the side of the deformation portion 33g opposite to the strain gauge 32g, The surface of the abutting portion 316g is cylindrical in this embodiment, the abutting portion 316g extends along the radial direction of the rod portion 22g, the abutting portion 316g is arranged in the receiving groove 231g, and the abutting portion 316g is in surface contact It leans against the inner surface of the receiving groove 231g.

Referring to Fig. 22 and Fig. 23, it is a three-dimensional exploded view and a cross-sectional structural view of the ninth embodiment of the torque wrench of the present invention. The ninth embodiment of this case is substantially the same as the first embodiment, the main difference is that the tripping mechanism 23h is another type of one-way tripping mechanism in this embodiment.

Referring to Fig. 24, it is a sectional structure diagram of the tenth embodiment of the torque wrench of the present invention. The tenth embodiment of this case is substantially the same as the seventh embodiment, the main difference being that the tripping mechanism 23i in this embodiment is a two-way tripping mechanism.

Referring to Fig. 25, it is a sectional structure diagram of the eleventh embodiment of the torque wrench of the present invention. The eleventh embodiment of this case is substantially the same as the first embodiment, the main difference is that the tripping mechanism 23p is provided with a receiving groove 231p, and the abutting portion 316p is provided on the side of the deformation part 33p opposite to the strain gauge 32p The abutting portion 316p is integrally formed on the deformation portion 33p, the abutting portion 316p is disposed in the receiving groove 231p, and the abutting portion 316p abuts against the inner surface of the receiving groove 231p in a surface contact manner.

Referring to Fig. 26 to Fig. 28, it is a three-dimensional exploded view and a sectional structural view of a twelfth embodiment of the torque wrench of the present invention. The twelfth embodiment of this case is substantially the same as the first embodiment, the main difference is that the strain gauge base 31q is provided with a first foot 34q and a second foot 35q, and the first groove 311q is arranged on the first foot Between 34q and the second leg 35q, the first leg 34q and the second leg 35q are respectively connected to the deformed part 33q in an integrally formed structure, and the first surface 312q is disposed adjacent to the first concave portion of the first leg 34q. On one side of the groove 311q, the second surface 313q is disposed on the side of the second foot 35q adjacent to the first groove 311q, and the first surface 312q and the second surface 313q are respectively connected to the opposite side of the third surface 331q. sides.

The body 20q is provided with a tripping mechanism 23q and an elastic member 24q, the elastic member 24q is arranged on the side of the tripping mechanism 23q opposite to the head 21q, and the first foot 34q leans against the tripping mechanism 23q , the second foot 35q abuts against the elastic member 24q, the strain gauge 32q is connected to the deformation portion 33q on the side opposite to the third surface 331q and faces the inner peripheral edge of the rod portion 22q, the third surface 331q is Concave.

The tripping mechanism 23q is provided with a receiving groove 231q, and the abutting portion 316q is arranged on the side of the first foot 34q opposite to the first groove 311q, and the surface of the abutting portion 316q is spherical in this embodiment. , the abutting portion 316q is disposed in the receiving groove 231q, and the abutting portion 316q abuts against the inner surface of the receiving groove 231q in a surface contact manner.

Referring to Fig. 29 and Fig. 30, it is a three-dimensional exploded view and a cross-sectional structural view of a torque wrench of the present invention in its thirteenth embodiment. The thirteenth embodiment of this case is substantially the same as the twelfth embodiment, the main difference is that the main body 20r is provided with a trip mechanism 23r, an elastic member 24r and an adjustment mechanism 25r, and the elastic member 24r abuts against the jumper. The release mechanism 23r, the adjustment mechanism 25r is arranged on the side of the elastic member 24r opposite to the escape mechanism 23r, the first foot 34r abuts against the adjustment mechanism 25r, and the second foot 35r abuts against the elastic member 24r The strain gauge 32r is connected to a side of the deformation portion 33r opposite to the third surface 331r and facing the inner peripheral edge of the rod portion 22r, and the third surface 331r is a concave arc surface.

The adjustment mechanism 25r is provided with a receiving groove 251r, and the abutment top 316r is arranged on the side of the first foot 34r opposite to the first groove 311r. The surface of the abutment top 316r is spherical in this embodiment, The abutting portion 316r is disposed in the receiving groove 251r, and the abutting portion 316r abuts against the inner surface of the receiving groove 251r in a surface contact manner.

With regard to the above, it can be concluded that the present invention has the following advantages:

1. For the torque wrench of the present invention, wherein the wrench includes a body and a measuring device, the body includes a head and a rod, one end of the rod is connected to the head, and the measuring device includes a A strain gauge base and a strain gauge, the strain gauge base is arranged in the rod portion, the strain gauge base is provided with a first groove and a deformation portion adjacent to the first groove, the strain gauge is connected to the deformation part, the wrench can make the torque data measured by the measuring device accurate through the above structure.

However, the above is only a preferred embodiment of the present invention, and should not be used to limit the implementation scope of the present invention, so all changes in numerical values or replacement of equivalent elements, or equivalents made according to the patent scope of the present invention Changes and modifications should still fall within the category covered by the patent of the present invention.

10: Wrench 20: Ontology 21: head 22: stem 23: escape mechanism 231: Undertaking groove 24: Elastic parts 30: Measuring device 31: Strain gauge seat 311: the first groove 312: first side 313: second side 314: second groove 315: the third groove 316: reach the top 317: storage tank 318: Top piece 32: Strain gauge 33: Deformation Department 331: the third side 34: First kick 35: Second foot 20a: Ontology 22a: stem 23a: Jump mechanism 24a: Elastic piece 25a: Adjusting mechanism 251a: receiving groove 311a: first groove 316a: reach the top 32a: Strain gauge 331a: third side 34a: First kick 35a: Second foot 20b: Ontology 22b: rod 23b: Jump mechanism 231b: receiving groove 24b: Elastic piece 31b: Strain gauge seat 32b: Strain gauge 33b: deformation part 331b: the third side 34b: First kick 35b: Second leg 316b: reach the top 20c: Ontology 22c: stem 23c: Jump mechanism 24c: Elastic parts 25c: Adjusting mechanism 251c: receiving groove 31c: Strain gauge seat 316c: reach the top 32c: strain gauge 33c: deformation part 331c: The third side 34c: first kick 35c: Second leg 20d: Ontology 23d: escape mechanism 24d: Elastic parts 25d: Adjusting mechanism 251d: receiving groove 31d: Strain gauge seat 316d: reach the top 32d: strain gauge 33d: deformation part 331d: The third side 34d: first kick 35d: second foot 22e: stem 25e: Regulating mechanism 251e: receiving groove 316e: reach the top 32e: strain gauge 33e: deformation part 20f: Ontology 22f: stem 23f: escape mechanism 231f: receiving groove 24f: Elastic parts 32f: strain gauge 311f: first groove 316f: reach the top 331f: third side 34f: first kick 35f: the second foot 22g: stem 23g: Jump mechanism 231g: receiving groove 316g: up to the top 32g: Strain gauge 33g: deformation part 23h: escape mechanism 23i: Escape Mechanism 23p: escape mechanism 231p: receiving slot 316p: to the top 32p: Strain gauge 33p: Deformation part 20q: Ontology 21q: head 22q: stem 23q: escape mechanism 231q: receiving groove 24q: Elastic parts 31q: Strain gauge seat 311q: first groove 312q: the first side 313q: the second side 316q: reach the top 32q: strain gauge 33q: deformation part 331q: the third side 34q: first kick 35q: the second foot 20r: Ontology 22r: Rod 23r: Jump mechanism 24r: Elastic parts 25r: Regulating mechanism 251r: receiving groove 311r: first groove 316r: reach the top 32r: strain gauge 33r: deformation part 331r: third side 34r: first kick 35r: second leg

Figure 1: It is the three-dimensional appearance view of the first embodiment of the torque wrench of the present invention. Fig. 2: is the three-dimensional exploded view of the first embodiment of the torque wrench of the present invention. Fig. 3: is the cross-sectional structural diagram of the first embodiment of the torque wrench of the present invention. Fig. 4: An exploded perspective view of the second embodiment of the torque wrench of the present invention. Fig. 5: is the cross-sectional structure diagram of the second embodiment of the torque wrench of the present invention. Fig. 6: An exploded perspective view of the third embodiment of the torque wrench of the present invention. Fig. 7: is the sectional structure diagram of the third embodiment of the torque wrench of the present invention. Fig. 8: It is a cross-sectional structure diagram of another perspective of the third embodiment of the torque wrench of the present invention. Fig. 9: An exploded perspective view of the fourth embodiment of the torque wrench of the present invention. Fig. 10: is the sectional structure diagram of the fourth embodiment of the torque wrench of the present invention. Fig. 11 is a cross-sectional structure diagram of another perspective of the fourth embodiment of the torque wrench of the present invention. Fig. 12: An exploded perspective view of the fifth embodiment of the torque wrench of the present invention. Fig. 13 is a cross-sectional structure diagram of the fifth embodiment of the torque wrench of the present invention. Fig. 14: An exploded perspective view of the sixth embodiment of the torque wrench of the present invention. Fig. 15: is the sectional structure diagram of the sixth embodiment of the torque wrench of the present invention. Fig. 16: It is a cross-sectional view of the sixth embodiment of the torque wrench of the present invention from another perspective. Fig. 17: An exploded perspective view of the seventh embodiment of the torque wrench of the present invention. Fig. 18: A sectional structure diagram of the seventh embodiment of the torque wrench of the present invention. Fig. 19: An exploded perspective view of the eighth embodiment of the torque wrench of the present invention. Fig. 20: is the sectional structure diagram of the eighth embodiment of the torque wrench of the present invention. Fig. 21: It is a cross-sectional view of the eighth embodiment of the torque wrench of the present invention from another perspective. Fig. 22: An exploded perspective view of the ninth embodiment of the torque wrench of the present invention. Fig. 23: is the sectional structure diagram of the ninth embodiment of the torque wrench of the present invention. Fig. 24: It is a sectional structural view of the tenth embodiment of the torque wrench of the present invention. Fig. 25: is a sectional structure diagram of the eleventh embodiment of the torque wrench of the present invention. Fig. 26: It is the three-dimensional appearance view of the twelfth embodiment of the torque wrench of the present invention. Fig. 27: An exploded perspective view of the twelfth embodiment of the torque wrench of the present invention. Fig. 28 is a cross-sectional structure diagram of the twelfth embodiment of the torque wrench of the present invention. Fig. 29: An exploded perspective view of the thirteenth embodiment of the torque wrench of the present invention. Fig. 30: A cross-sectional structural view of the thirteenth embodiment of the torque wrench of the present invention.

10: Wrench

20: Ontology

21: head

22: stem

Claims (26)

A torque wrench comprising: a body, the body includes a head and a stem, one end of the stem is connected to the head; A measuring device, the measuring device includes a strain gauge seat and a strain gauge, the strain gauge seat is arranged in the rod, the strain gauge seat is provided with a first groove and adjacent to the first groove A deformation part, the strain gauge base is provided with a buttress, the abutment has a raised structure and its surface is in the shape of a convex arc surface, and the strain gauge is connected to the deformation part. The torque wrench as described in claim 1, wherein the inner periphery of the first groove is provided with a first surface and a second surface, the first surface faces the second surface, and the deformed portion is adjacent to the first One side of the groove is provided with a third surface, and the third surface is arranged between the first surface and the second surface. The torque wrench as described in claim 2, wherein the strain gauge seat is provided with a first foot and a second foot, the first groove is arranged between the first foot and the second foot, and the first foot The second leg is connected to the deformed part with an integral molding structure, the first surface is arranged on the side of the first leg adjacent to the first groove, and the second surface is arranged on the second leg adjacent to the first groove. On one side of the groove, the first surface and the second surface are respectively connected to two opposite sides of the third surface. The torque wrench as described in claim 3, wherein the body is provided with a tripping mechanism and an elastic member, the elastic member is arranged on the side of the tripping mechanism opposite to the head, and the first foot leans against the In the escape mechanism, the second leg abuts against the elastic member, the strain gauge is connected to a side of the deformation portion opposite to the third surface and faces the inner peripheral edge of the rod portion, and the third surface is a concave arc surface. The torque wrench as described in Claim 4, wherein the tripping mechanism is provided with a receiving groove, the abutting top is arranged on the side of the first foot opposite to the first groove, and the surface of the abutting top is spherical , the abutting top is arranged in the receiving groove, and the abutting top abuts against the inner surface of the receiving groove. The torque wrench as described in claim 3, wherein the body is provided with a tripping mechanism, an elastic member and an adjustment mechanism, the elastic member is arranged on the side of the tripping mechanism opposite to the head, and the elastic member resists Leaning against the tripping mechanism, the adjusting mechanism is arranged on the side of the elastic member opposite to the tripping mechanism, the first foot leans against the adjusting mechanism, the second foot leans against the elastic member, and the strain gauge Connected to the side of the deformation portion opposite to the third surface and facing the inner peripheral edge of the rod portion, the third surface is a concave arc surface. The torque wrench as described in Claim 6, wherein the adjustment mechanism is provided with a receiving groove, the abutting top is arranged on the side of the first foot opposite to the first groove, the surface of the abutting top is spherical, The abutting top is arranged in the receiving groove, and the abutting top leans against the inner surface of the receiving groove. The torque wrench as described in claim 2, wherein the strain gauge seat is provided with a second groove and a third groove, and the second groove is arranged between the first surface and the third surface, so that the The first surface is not connected to the third surface, the second groove is connected to the first groove, and the third groove is arranged between the second surface and the third surface, so that the second surface and the third surface The third surface is not connected, and the third groove communicates with the first groove. The torque wrench as described in claim 8, wherein the strain gauge seat is provided with a first foot and a second foot, the first groove is arranged between the first foot and the second foot, and the first foot The second leg is connected to the deformed part with an integral molding structure, the first surface is arranged on the side of the first leg adjacent to the first groove, and the second surface is arranged on the second leg adjacent to the first groove. side of the groove. The torque wrench as described in Claim 9, wherein the body is provided with a tripping mechanism and an elastic member, the elastic member is arranged on the side of the tripping mechanism opposite to the head, and the first foot leans against the In the escape mechanism, the second leg leans against the elastic member, and the strain gauge is connected to the third surface and faces the inner peripheral edge of the rod. The torque wrench as described in claim 10, wherein the tripping mechanism is provided with a receiving groove, the abutment is arranged on the side of the first foot opposite to the first groove, and the abutment is arranged in the receiving groove , the abutting top abuts against the inner surface of the receiving groove. The torque wrench as described in claim 9, wherein the body is provided with a tripping mechanism, an elastic member and an adjustment mechanism, the elastic member is arranged on the side of the tripping mechanism opposite to the head, and the elastic member resists Leaning against the tripping mechanism, the adjusting mechanism is arranged on the side of the elastic member opposite to the tripping mechanism, the first foot leans against the adjusting mechanism, the second foot leans against the elastic member, and the strain gauge connected to the third surface and facing the inner peripheral edge of the rod. The torque wrench as described in claim 12, wherein the adjustment mechanism is provided with a receiving groove, the abutment is arranged on the side of the first foot opposite to the first groove, and the abutment is arranged in the receiving groove, The abutting top abuts against the inner surface of the receiving groove. The torque wrench as described in Claim 9, wherein the main body is provided with a trip mechanism and an elastic member, the elastic member is arranged on the side of the trip mechanism opposite to the head, and the first foot is opposite to the jump One side of the tripping mechanism and the side of the second foot opposite to the tripping mechanism respectively abut against the elastic member, the third surface faces the inner peripheral edge of the rod, the strain gauge faces the elastic member, and the strain gauge A side of the seat opposite to the elastic member abuts against the tripping mechanism. The torque wrench as described in claim 14, wherein the tripping mechanism is provided with a receiving groove, the abutting part is arranged on the side of the deformation part opposite to the strain gauge, the abutting part is arranged in the receiving groove, and the abutting part is arranged in the receiving groove. The top leans against the inner surface of the receiving groove. The torque wrench as described in claim 9, wherein the body is provided with a tripping mechanism, an elastic member and an adjustment mechanism, the elastic member is arranged on the side of the tripping mechanism opposite to the head, and the elastic member resists Leaning against the jumping mechanism, the adjustment mechanism is arranged on the side of the elastic member opposite to the jumping mechanism, the side of the first foot opposite to the adjustment mechanism and the second foot are opposite to the side of the adjustment mechanism Respectively abut against the elastic member, the third surface faces the inner peripheral edge of the rod portion, the strain gauge faces the elastic member, and the side of the strain gauge seat opposite to the elastic member abuts against the adjustment mechanism. The torque wrench as described in claim 16, wherein the adjustment mechanism is provided with a receiving groove, the abutting portion is arranged on the side of the deformation portion opposite to the strain gauge, the abutting portion is arranged in the receiving groove, and the abutting portion against the inner surface of the receiving groove. The torque wrench as described in claim 9, wherein the body is provided with a tripping mechanism, an elastic member and an adjustment mechanism, the elastic member is arranged on the side of the tripping mechanism opposite to the head, and the elastic member resists Leaning against the escape mechanism, the adjustment mechanism is arranged on the side of the elastic member opposite to the escape mechanism, and the end of the first foot opposite to the deformation portion and the end of the second foot opposite to the deformation portion respectively abut against each other. Leaning against the elastic member, the strain gauge is connected to the third surface and faces the elastic member, and the side of the strain gauge seat opposite to the elastic member leans against the adjustment mechanism. The torque wrench as described in Claim 18, wherein the adjustment mechanism is provided with a receiving groove, the abutting portion is arranged on the side of the deformation portion opposite to the strain gauge, the abutting portion is arranged in the receiving groove, and the abutting portion against the inner surface of the receiving groove. The torque wrench as described in Claim 18, wherein the adjustment mechanism is provided with a receiving groove, the abutting portion is arranged on the side of the deformation portion opposite to the strain gauge, the surface of the abutting portion is cylindrical, and the abutting portion Extending along the radial direction of the rod portion, the abutting top is arranged in the receiving groove, and the abutting top abuts against the inner surface of the receiving groove. The torque wrench as described in Claim 9, wherein the body is provided with a tripping mechanism and an elastic member, the elastic member is arranged on the side of the tripping mechanism opposite to the head, and the first foot is opposite to the deformation One end of the part and one end of the second leg opposite to the deformation part respectively abut against the elastic piece, the strain gauge is connected to the third surface and faces the elastic piece, and the strain gauge seat is opposite to the side of the elastic piece against the tripping mechanism. The torque wrench as described in claim 21, wherein the tripping mechanism is provided with a receiving groove, and the abutting portion is arranged on the side of the deformation portion opposite to the strain gauge, and the abutting portion includes a receiving groove and an abutting portion The top piece, the accommodating groove is recessed in the deformed part, the abutting piece is spherical, the abutting piece is arranged in the receiving groove and the accommodating groove, and the abutting piece abuts in a surface contact manner at the same time on the inner surface of the receiving groove and the inner surface of the accommodating groove. The torque wrench as described in claim 21, wherein the tripping mechanism is provided with a receiving groove, the abutting portion is arranged on the side of the deformation portion opposite to the strain gauge, and the abutting portion is arranged on the deformation portion in an integrally formed structure , the abutting top is arranged in the receiving groove, and the abutting top abuts against the inner surface of the receiving groove in a surface contact manner. The torque wrench as described in claim 21, wherein the tripping mechanism is provided with a receiving groove, and the abutment part is arranged on the side of the deformation part opposite to the strain gauge, the surface of the abutment part is cylindrical, and the abutment part is cylindrical. The apex extends along the radial direction of the rod portion, the abutting apex is arranged in the receiving groove, and the abutting apex abuts against the inner surface of the receiving groove. The torque wrench according to any one of Claims 4 to 7 or Claims 10 to 24, wherein the tripping mechanism is a one-way tripping mechanism. The torque wrench according to any one of Claims 4 to 7 or Claims 10 to 24, wherein the tripping mechanism is a bidirectional tripping mechanism.

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