CN112207759B - Torque Wrench Structure - Google Patents
Torque Wrench Structure Download PDFInfo
- Publication number
- CN112207759B CN112207759B CN201910613092.3A CN201910613092A CN112207759B CN 112207759 B CN112207759 B CN 112207759B CN 201910613092 A CN201910613092 A CN 201910613092A CN 112207759 B CN112207759 B CN 112207759B
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- washer
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- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000007779 soft material Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 239000005060 rubber Substances 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims 1
- 230000003139 buffering effect Effects 0.000 abstract description 8
- 239000000463 material Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
本发明是关于一种扭力扳手结构，其包括：一第一本体设有一第一容槽；一固定座设有一第一螺纹部；一调整件设有一第二螺纹部、一第一头部、一第一靠抵面、一第二靠抵面及一环槽；至少一第一垫圈容设于该环槽处；该第二螺纹部于该第一螺纹部内转动位移，使该第一头部与该固定座相靠近处时，该第一垫圈提供缓冲功效。
The invention relates to a torque wrench structure, which comprises: a first body is provided with a first accommodating groove; a fixing base is provided with a first threaded part; an adjustment piece is provided with a second threaded part, a first head, a first abutting surface, a second abutting surface and an annular groove; at least one first washer is accommodated in the annular groove; the second threaded portion rotates and displaces in the first threaded portion, so that the first head When the portion is close to the fixing seat, the first washer provides a buffering effect.
Description
Technical Field
The present invention relates to a torque wrench structure, and more particularly, to a torque wrench structure having a first washer for providing a buffering effect so that a first head of an adjusting member does not collide with a fixing seat directly to cause damage.
Background
As previously known, the conventional torque wrench structure shown in fig. 16 and 17 is assisted, fig. 16 is an exploded perspective view of the conventional torque wrench structure, fig. 17 is a front view of a part of the conventional torque wrench structure, and a torque wrench 90 includes a second body 91, a first seat 92, two engaging members 93, a screw 94 and a third body 96;
a second accommodating groove 912 is formed at one end of the second body 91, the second accommodating groove 912 is in a circular groove shape, the second body 91 is provided with two first combining parts 913, the two first combining parts 913 are arranged near the opening of the second accommodating groove 912, and the first combining parts 913 are communicated with the second accommodating groove 912;
the first base 92 is accommodated in the second accommodating groove 912 of the second body 91, the first base 92 is circular, a first thread part 921 is arranged in the first base 92, the first thread part 921 passes through the first base 92, the first thread part 921 is in an internal thread shape, the first base 92 is provided with two second combining parts 922, the second combining parts 922 are aligned with the first combining parts 913, the second combining parts 922 are symmetrical, and the second combining parts 922 are in an internal thread shape;
the combining member 93 is inserted into the first combining portion 913 and the second combining portion 922, so that the first seat 92 is fixedly disposed in the second accommodating groove 912, and the combining member 93 is in the shape of an external thread;
the screw rod 94 is partially exposed out of the second body 91, the screw rod 94 is provided with a second screwing portion 941, the second screwing portion 941 is screwed with the first screwing portion 921, the second screwing portion 941 can spirally displace at the first screwing portion 941, and one end of the screw rod 94 is provided with a second head portion 942;
the third body 96 is assembled with the second body 91, the third body 96 can rotate and displace relative to the second body 91, the third body 96 is sleeved with the third screw rod 94, and when the third body 96 is rotated and displaced, the screw rod 94 is driven to spirally displace at the first screwing part 921, so as to adjust the compression degree of the spring in the second body 91, and adjust the torsion value of the torque wrench structure.
However, the conventional torque wrench has the following disadvantages:
1. when the user rotates the third body 96 to make the third body 96 rotate and displace on the second body 91, the third body 96 drives the second screwing portion 941 of the screw 94 to screw and displace at the first screwing portion 921, and when the second screwing portion 941 rotates to its end, the second head 942 will abut against the end of the first seat 92, so that the two parts can collide to cause wear.
2. If the screw rod 94 has rotated to the position where the second head 942 abuts against the first seat 92, that is, the screw rod 94 cannot rotate any more, and the user does not perceive that the action of adjusting the torque has reached the end, the operator continues to rotate the third body 96, or some people rotate to the end, the third body 96 will continue to rotate the third body 96, if the force applied is too large, the third body 96 will apply a force on the screw rod 94, the screw rod 94 will apply a force on the first seat 92, after the first seat 92 is applied with a force, the first seat 92 will apply a force on the two engaging members 93, which is generally limited by space, the outer diameter of the engaging member 93 cannot be large, the engaging member 93 will not be able to bear the rotating force and break, the first seat 92 can be taken out of the second accommodating groove 912, and the structure of the torque wrench is damaged.
In view of the above disadvantages of the conventional structure, the inventor of the present invention has developed a torque wrench structure that can solve the disadvantages of the conventional structure by using the manufacturing, production and design experiences of the related industries for many years.
Disclosure of Invention
The main purposes of the invention are as follows: a torque wrench structure is provided, which is provided with a first washer to provide a buffering effect, so that the first head of the adjusting member is not directly collided with the fixed seat to cause collision damage.
To achieve the above object, the present invention provides a torque wrench structure, which is characterized in that: it includes:
the first body is provided with a plurality of first fixing parts, the first fixing parts are communicated with the first containing groove, the plurality of first fixing parts are arranged at the position, close to an opening, of the first containing groove, the plurality of first fixing parts are annularly arranged around the axis of the first containing groove, the outer peripheral surface of the first containing groove is provided with a plurality of locking grooves, the plurality of locking grooves are annularly arranged, the locking grooves are in a concave arc groove shape, and the first containing groove is internally provided with a torque spring and a butting piece;
the fixing seat is fixedly arranged in the first accommodating groove, is in a ring shape, is internally provided with a first thread part, penetrates through the fixing seat, is in an internal thread shape, is provided with a plurality of second fixing parts, and is opposite to the first fixing parts;
the fixing pieces penetrate through the first fixing part and the second fixing part, so that the fixing base is fixedly arranged in the first accommodating groove and does not fall out of the first body, and the fixing pieces cannot protrude out of the outer peripheral surface of the first body;
an adjusting member partially exposed out of the first body, the adjusting member having a second threaded portion engaged with the first threaded portion, the second threaded portion being spirally displaced in the first threaded portion to allow the adjusting member to be displaced back and forth in the first accommodating groove to adjust a compression degree of the torsion spring in the first body to adjust a torsion value of the torsion wrench structure, the second threaded portion being in an external thread shape, one end of the adjusting member having a first head portion, the first head portion having a first abutting surface and a second abutting surface, the first abutting surface being spaced apart from the second abutting surface, the first abutting surface facing the second threaded portion, the second abutting surface being spaced apart from the second threaded portion, the torsion spring in the first body being elastically abutted against the abutting member, the abutting member being abutted against the second abutting surface, a ring groove being provided between the second threaded portion and the first abutting surface, the ring groove is in a concave ring groove shape, the outer diameter of the ring groove is smaller than that of the second thread part, or the outer diameter of the ring groove is smaller than that of the valley bottom of the second thread part, the other end of the adjusting part is convexly provided with a sleeving end, the sleeving end is far away from the first head part, the second thread part is arranged between the first head part and the sleeving end, and the sleeving end is in a non-circular shape or a hexagonal head shape;
the first gasket is accommodated in the annular groove and abuts against the first abutting surface, the outer diameter of the first gasket is smaller than that of the first head part, the first gasket is made of a soft body material, and a tight fit structure is formed between the first gasket and the annular groove, so that the first gasket is difficult to separate from the annular groove;
the second thread part rotates and displaces in the first thread part, when the first head part is close to the fixed seat, the first gasket provides a buffer effect, so that the first head part does not directly collide with the fixed seat, and the first gasket abuts between the fixed seat and the first abutting surface.
The handle is assembled with the first body, the handle rotates relative to the first body to enable the handle to move back and forth in the range of the locking groove, the sleeving end of the adjusting piece is sleeved in the handle, the handle is rotated to enable the handle to simultaneously drive the second thread part to rotate and move in the first thread part when the handle moves relative to the first body, and the adjusting piece is used for adjusting the compression degree of the torsion spring in the first body.
The invention has the following effects: at least one first washer is arranged and accommodated in the annular groove, and when the second thread part rotates and displaces to a position close to the first head part and the fixed seat in the first thread part, the first washer provides a buffering effect, so that the first head part does not directly collide with the fixed seat to generate collision damage. When the adjusting torque force reaches the end, that is, the first head part is close to the fixed seat, although the adjusting part is rotated, the first gasket can prevent the rotating force of the first head part from directly applying force on the fixed seat.
Drawings
Fig. 1 is an exploded perspective view of the torque wrench structure of the present invention.
Fig. 2 is a perspective view of the torque wrench structure adjustment member of the present invention.
FIG. 3 is a front view of a portion of the components of the torque wrench structure of the present invention.
FIG. 4 is a perspective assembly view of a part of the components of the torque wrench structure of the present invention.
Fig. 5 is a perspective assembly view of the torque wrench structure of the present invention.
Fig. 6 is a top view of the torque wrench configuration of the present invention.
Fig. 7 is a cross-sectional view taken at fig. 6A-a of the present invention.
Fig. 8 is an enlarged view of the invention at fig. 7B.
FIG. 9 is a perspective assembly view of some components of the torque wrench structure in another operating state.
Fig. 10 is a cross-sectional view of another operational state of the torque wrench configuration of the present invention.
Fig. 11 is an enlarged view of the invention at fig. 10B.
FIG. 12 is a side view of a portion of a component of a second embodiment of the present invention.
Fig. 13 is a cross-sectional view of the invention at fig. 12C-C.
FIG. 14 is a side view of a portion of a component of a third embodiment of the present invention.
Fig. 15 is a cross-sectional view of the invention at fig. 15C-C.
Fig. 16 is an exploded perspective view of a conventional torque wrench structure.
FIG. 17 is a front view of a portion of a conventional torque wrench structure.
Detailed Description
Referring to fig. 1 to 3, fig. 1 is an exploded perspective view of a torque wrench structure of the present invention, fig. 2 is a perspective view of a torque wrench structure adjusting member 40 of the present invention, fig. 3 is a front view of a part of the torque wrench structure of the present invention, the present invention relates to a torque wrench structure, which includes:
a first body 10, an end of the first body 10 is assembled with an action end 11, the action end 11 is a ratchet wrench structure, the action end 11 is engaged with another hand tool, the first body 10 is provided with a first receiving slot 12, the first container 12 is a circular groove, the first body 10 is provided with a plurality of first fixing portions 13, the first fixing portion 13 is communicated with the first container 12, the plurality of first fixing portions 13 are disposed near the opening of the first container 12, the first fixing portions 13 are arranged in a ring shape around the axis of the first accommodating groove 12, the number of the first fixing portions 13 is two, the two first fixing portions 13 are symmetrical, the first fixing portions 13 are circular through holes, the outer peripheral surface of the first accommodating groove 12 is provided with a plurality of locking grooves 14, the locking slots 14 are arranged in a ring shape, the locking slots 14 are in a concave arc groove shape, and necessary elements such as a torsion spring 17 and a propping piece 18 are arranged in the first accommodating slot 12;
a fixing seat 20, the fixing seat 20 is fixedly arranged in the first accommodating groove 12, the fixing seat 20 is in a ring shape, a first thread part 21 is arranged in the fixing seat 20, the first thread part 21 penetrates through the fixing seat 20, the first thread part 21 is in an internal thread shape, the fixing seat 20 is provided with a plurality of second fixing parts 22, and the second fixing parts 22 are aligned with the first fixing parts 13;
a plurality of fixing members 30, the fixing members 30 being disposed through the first fixing portion 13 and the second fixing portion 22, so that the fixing base 20 is fixed in the first accommodating groove 12 without coming out of the first body 10, the fixing members 30 being in the shape of external threads, and the fixing members 30 not protruding out of the outer peripheral surface of the first body 10;
an adjusting member 40, please refer to fig. 2, wherein the adjusting member 40 is partially exposed outside the first body 10, the adjusting member 40 is provided with a second threaded portion 41, the second threaded portion 41 is screwed with the first threaded portion 21, the second threaded portion 41 is spirally displaced in the first threaded portion 21, so that the adjusting member 40 is displaced back and forth in the first accommodating groove 12 to adjust the compression degree of the torsion spring 17 in the first body 10, so as to adjust the torsion value of the torque wrench structure, the second threaded portion 41 is in a shape of external thread, one end of the adjusting member 40 is provided with a first head portion 42, the first head portion 42 is provided with a first abutting surface 43 and a second abutting surface 44, the first abutting surface 43 is far away from the second abutting surface 44, the first abutting surface 43 faces the second threaded portion 41, the second abutting surface 44 is far away from the second threaded portion 41, the torsion spring 17 in the first body 10 abuts against the top member 18, the abutting member 18 abuts against the second abutting surface 44, a ring groove 45 is arranged between the second thread portion 41 and the first abutting surface 43, the ring groove 45 is in a concave ring groove shape, the outer diameter of the ring groove 45 is smaller than that of the second thread portion 41, or the outer diameter of the ring groove 45 is smaller than that of the valley bottom of the second thread portion 41, a sleeving end 46 is convexly arranged at the other end of the adjusting member 40, the second thread portion 41 is arranged between the first head portion 42 and the sleeving end 46, and the sleeving end 46 is in a non-circular shape or a hexagonal head shape;
at least one first gasket 50, the first gasket 50 being accommodated in the annular groove 45, the first gasket 50 abutting against the first abutting surface 43, the outer diameter of the first gasket 50 being smaller than the outer diameter of the first head 42, the first gasket 50 being made of a soft material, plastic or rubber, the first gasket 50 being circular, the cross-section of the first gasket 50 being circular, the first gasket 50 and the annular groove 45 being tightly fitted, so that the first gasket 50 is hard to be removed from the annular groove 45;
as shown in fig. 3, when the second threaded portion 41 rotates and moves in the first threaded portion 21, so that the first head 42 is close to the fixed seat 20, the first washer 50 provides a buffering effect, so that the first head 42 does not directly collide with the fixed seat 20, and the first washer 50 abuts between the fixed seat 20 and the first abutting surface 43;
a handle 60, the handle 60 is assembled with the first body 10, the handle 60 rotates relative to the first body 10 to make the handle 60 move back and forth within the range of the locking slot 14, the engaging end 46 is sleeved in the handle 60, the handle 60 is rotated to make the handle 60 move up and down relative to the first body 10, the handle 60 simultaneously drives the second thread portion 41 to rotate and move in the first thread portion 21, and the adjusting member 40 adjusts the compression degree of the torsion spring 17 in the first body 10.
Referring to fig. 4 to 8, fig. 4 is a perspective view of a part of the torque wrench structure of the present invention, fig. 5 is a perspective view of the torque wrench structure of the present invention, fig. 6 is a top view of the torque wrench structure of the present invention, fig. 7 is a cross-sectional view of fig. 6A-a of the present invention, fig. 8 is an enlarged view of fig. 7B of the present invention, as can be seen from the figure, the fixing base 20 is received in the first receiving slot 12, the fixing member 30 is inserted in the first fixing portion 13 and the second fixing portion 22, so that the fixing base 20 is fixed in the first receiving slot 12, the adjusting member 40 is inserted in the first receiving slot 12 and the first threaded portion 21, the adjusting member 40 is partially exposed out of the first body 10, the first washer 50 is received in the annular slot 45, when the second threaded portion 41 is rotated in the first threaded portion 21 to move to a position where the first head 42 is close to the fixing base 42, the first washer 50 abuts against the fixed seat 20 and the first abutting surface 43, the handle 60 is assembled with the first body 10, and the handle 60 is rotated to drive the second threaded portion 41 to rotate within the first threaded portion 21.
Referring to fig. 9 to 11, fig. 9 is a perspective assembly view of a part of components of the torque wrench structure in another operation state, fig. 10 is a cross-sectional view of the torque wrench structure in another operation state, fig. 11 is an enlarged view of fig. 10B, as can be seen from the illustration, the second threaded portion 41 rotates and displaces within the first threaded portion 21, and the handle 60 simultaneously drives the second threaded portion 41 to rotate and displace within the first threaded portion 21, so that the first washer 50 abuts against or separates from the fixing base 20.
Referring to fig. 12 and 13, fig. 12 is a side view of a part of the components of the second embodiment of the present invention, fig. 13 is a cross-sectional view taken along the line of fig. 12C-C, the cross-section of the first gasket 50 is approximately a quadrangle, and the first gasket 50 also has the function of buffering and avoiding damage.
With continuing reference to fig. 14 and 15, fig. 14 is a side view of a portion of the third embodiment of the present invention, fig. 15 is a cross-sectional view taken along line C-C of fig. 15, as can be seen clearly from the drawings, the first washer 50 has an X-shaped cross section and is provided with a second washer 70, the first washer 50 and the second washer 70 are accommodated in the annular groove 45 of the adjusting member 40, the second washer 70 is disposed adjacent to the first washer 50, the outer diameter of the second washer 70 is smaller than or equal to the inner diameter of the first groove 12, the second washer 70 increases the supporting force between the adjusting member 40 and the first groove 12, and the second washer 70 is disposed between the first head 42 and the first washer 50.
The second gasket 70 is loosely fitted to the annular groove 45 of the adjusting member 40, and the second gasket 70 is loosely fitted to the first accommodating groove 12.
In another embodiment of the present invention, the cross-section of the first gasket 50 is circular, square or X-shaped, and similarly, the cross-section of the first gasket 50 is B, C, D, E, H, K, M, N, S, U, V or any shape, the material of the first gasket 50 is plastic, rubber or soft material, and when the material of the first gasket 50 is soft material, the second gasket 70 is hard material.
In another embodiment of the present invention, the second gasket 70 is disposed between the first gasket 50 and the fixing base 20, the second gasket 70 has a plurality of second gaskets 70, the plurality of second gaskets 70 are disposed on the same side of the first gasket 50, or the plurality of second gaskets 70 are disposed on two sides of the first gasket 50, the plurality of first gaskets 50 are disposed, each first gasket 50 has a different cross-sectional shape, when the plurality of first gaskets 50 and the plurality of second gaskets 70 are disposed, the first gasket 50 and the second gasket 70 are arranged in a staggered straight line, that is, the second gasket 70 is disposed on two sides of the first gasket 50.
The torque wrench structure of the invention has the advantages that:
1. at least one first washer 50 is disposed, the first washer 50 is accommodated in the annular groove 45, when the second threaded portion 41 of the adjusting member 40 rotates in the first threaded portion 21 of the fixing base 20 and moves to a position where the first head portion 42 is close to the fixing base 20, the first washer 50 provides a buffering effect, so that the first head portion 42 does not collide with the fixing base 20 directly to cause collision damage, as shown in fig. 3.
2. When the adjusting torque is at the end, that is, the first head 42 is close to the fixing base 20, the first washer 50 provides a buffering effect, and although the adjusting member 40 is rotated, the first washer 50 prevents the rotational force of the first head 42 from directly applying a force to the fixing base 20, and prevents the fixing member 30 from being broken due to the force, and the first washer 50 prevents the first head 42 from directly colliding with the fixing base 20.
3. As shown in fig. 3, 13 and 15, the first gasket 50 is made of a flexible material, and the cross section of the first gasket 50 is a circular shape, a square shape, an X shape or various shapes.
4. The first washer 50 and the annular groove 45 are tightly fitted to each other, so that the first washer 50 is difficult to be removed from the annular groove 45 of the adjusting member 45, and the annular groove 45 and the valley bottom of the second threaded portion 41 preferably have a smaller outer diameter, so that the first washer 50 is prevented from being removed from the annular groove 45 of the adjusting member 45.
5. The handle 60 is assembled with the first body 10, the handle 60 rotates relative to the first body 10 to enable the handle 60 to move back and forth within the range of the locking groove 14, the engaging end 46 is sleeved on the end of the handle 60, and when the handle 60 is rotated to enable the handle 60 to move, the handle 60 simultaneously drives the second threaded portion 41 of the adjusting member 40 to rotate and move within the first threaded portion 21, so as to adjust the compression degree of the torsion spring 17 in the first body 10, and adjust the torsion value of the torsion wrench structure.
6. Please refer to fig. 15, a second washer 70 is provided, the second washer 70 is accommodated in the annular groove 45 of the adjusting member 40, the outer diameter of the second washer 70 is smaller than or equal to the inner diameter of the first accommodating groove 12 of the first body 10, the second washer 70 increases the supporting structure between the adjusting member 40 and the first accommodating groove 12, especially when the first head portion 42 of the adjusting member 40 is farther away from the fixing base 20, i.e. the torque value of the torque wrench structure is larger, the torsion spring 17 has larger resilience to act on the first head portion 42, and the supporting structure of the second washer 70 is more important.
7. The second washer 70 preferably rotates with the annular groove 45 to reduce friction loss between the second washer 70 and the annular groove 45, and the second washer 70 preferably rotates with the first pocket 12 to reduce friction loss between the second washer 70 and the first pocket 12.
Therefore, the torque wrench structure has industrial applicability, novelty and advancement, and can be applied according to law as meeting the application requirements of the patent of the invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910613092.3A CN112207759B (en) | 2019-07-09 | 2019-07-09 | Torque Wrench Structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910613092.3A CN112207759B (en) | 2019-07-09 | 2019-07-09 | Torque Wrench Structure |
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| CN112207759A CN112207759A (en) | 2021-01-12 |
| CN112207759B true CN112207759B (en) | 2022-03-18 |
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| JP2016013595A (en) * | 2014-07-02 | 2016-01-28 | 株式会社マキタ | Nut fastener |
| CN204458953U (en) * | 2015-01-09 | 2015-07-08 | 天津市松正电动汽车技术股份有限公司 | A kind of controller shock-damping structure |
| CN205044472U (en) * | 2015-10-20 | 2016-02-24 | 安徽江淮汽车股份有限公司 | Mounting structure on bumper shock absorber |
| CN108068030A (en) * | 2016-11-08 | 2018-05-25 | 聚巨丰企业股份有限公司 | screw clamp |
| TWI603794B (en) * | 2016-12-01 | 2017-11-01 | Spindle structure | |
| CN208342185U (en) * | 2018-04-13 | 2019-01-08 | 青岛科莱尔机器人科技有限公司 | A kind of easy-to-mount novel batch of bar assembly |
| TWM572816U (en) * | 2018-09-27 | 2019-01-11 | 和嘉興精密有限公司 | Torque wrench structure |
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| CN112207759A (en) | 2021-01-12 |
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