CN104647269A - Torque wrench with fixed torque - Google Patents
Torque wrench with fixed torque Download PDFInfo
- Publication number
- CN104647269A CN104647269A CN201410208766.9A CN201410208766A CN104647269A CN 104647269 A CN104647269 A CN 104647269A CN 201410208766 A CN201410208766 A CN 201410208766A CN 104647269 A CN104647269 A CN 104647269A
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- pipe portion
- adaptor
- order
- torsion
- chamber
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- 230000009471 action Effects 0.000 claims description 32
- 238000006073 displacement reaction Methods 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 241000278713 Theora Species 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000005096 rolling process Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
- B25B23/142—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for hand operated wrenches or 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
- B25B13/00—Spanners; Wrenches
- B25B13/46—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle
- B25B13/461—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member
- B25B13/462—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member the ratchet parts engaging in a direction radial to the tool operating axis
- B25B13/465—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member the ratchet parts engaging in a direction radial to the tool operating axis a pawl engaging an internally toothed ring
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention provides a torque wrench with fixed torque, which comprises: a wrench body having a tube and a chamber; the adaptor is rotationally arranged in the chamber, and the outer periphery of the adaptor is provided with a plurality of adaptor parts; the abutting column is arranged between the pipe part and the cavity and is used for abutting against the bearing part; the clutch piece is movably arranged on the pipe part and is provided with a first end, a second end and a periphery, the first end is propped against the circumferential surface of the butting column, and the periphery is in rolling contact with the inner edge of the pipe part; a handle connected to the end edge of the tube part; and an elastic member disposed in the tube portion for abutting against the second end of the clutch member, thereby enabling the torque transmission to be more direct without being reduced and ensuring the accuracy of the torque value.
Description
Technical field
The present invention has about a kind of torque spanner, espespecially a kind of torque spanner determining torsion, in order in operation, maintains accurate torque value.
Background technology
Known torque spanner includes a head haply, a screw piece, a hollow handles, a handle and is established to be arranged at clutch component between handle and head in order to connect, rotation through handle opposite hollow shank adjusts, the prestressing that clutch component acts on head can be changed, with when suffered by the screw piece being arranged in head, torsion is greater than prestressing, then can produce clutch action to limit the torsion suffered by screw piece, to avoid screw piece impaired.
Aforesaid clutch component is face contact in hollow handles, and make contact area larger, so when torque spanner operates, the prestressing of clutch component is easily scattered on contact surface, and makes prestressing effectively cannot be transmitted to the screw piece of head, otherwise the torsion of screw piece feedback also can disperse, therefore measured torque value is accurate not, certain torque value cannot be maintained, if under using constantly, still probably have the anxiety destroying screw piece.
Summary of the invention
For solving above-mentioned problem, the object of the invention is to, providing a kind of torque spanner determining torsion, it utilizes the structure of inner reduction contact area, to reach the more direct and unlikely abatement of torsion transmission, guarantees the accuracy of torque value.
For achieving the above object, the invention provides a kind of torque spanner determining torsion, it is characterized in that comprising:
One wrench body, has the second axis of a first axle this first axle vertical with, extend and be provided with a pipe portion, and one is arranged at chamber on this second axis along this first axle;
One adaptor, along this second axis and rotate be arranged at this chamber, the outer peripheral edge of this adaptor is provided with several carrier;
One abuts post, is arranged between this pipe portion and this chamber, and this abutting post has one and is parallel to the central axis and of this second axis around the periphery of this central axis, in order to be connected to this carrier;
One clutch part, is movably set in this pipe portion, and it has a first end, one second end and a periphery, and this first end is resisted against the periphery of this abutting post, and this periphery Structure deformation is in the inner edge in this pipe portion;
One handle, is arranged in the ora terminalis in this pipe portion; And
One elastic component, is arranged in this pipe portion, in order to be held in the second end of this clutch part.
Wherein, the periphery of this clutch part is equidistantly equipped with several ball row.
Wherein, the first end of this clutch part is embedded with a cylinder, and the end face of this cylinder is connected to the periphery of this abutting post.
Wherein, this handle is hollow form, and rotates and be arranged at this pipe portion, and the inside of this handle is provided with an adjustment assembly, and it produces axial displacement along with the turn of this handle, in order to by the second end ejection of this elastic component towards this clutch part.
Wherein, this adaptor includes:
One supporting, one end has a socket part and is piercing in outside this chamber;
One action bars, is arranged in this supporting, and relatively can produce axis and swing offset by this supporting, when axial displacement, makes the selective clip in this socket part or release one sleeve;
One outer shroud, is sheathed on this supporting, and this carrier is arranged at the periphery of this outer shroud, and the inner edge of this outer shroud is provided with a ratchet part; And
One is hubbed at the ratchet block between this action bars and this outer shroud, and this ratchet block by the swing offset of this action bars, and can order about this ratchet block lateral engagement in this ratchet part, in order to this sleeve of one-directional rotation.
Wherein, this supporting side is provided with a deep-slotted chip breaker, and this deep-slotted chip breaker is with in being hubbed at for this ratchet block, and this action bars is provided with a head part and a spring, in order to this ratchet block of pushing tow towards this ratchet part.
Also disclose a kind of torque spanner determining torsion, it is characterized in that comprising:
One wrench body, has the second axis of a first axle this first axle vertical with, extend and be provided with a pipe portion, and one is arranged at chamber on this second axis along this first axle;
One adaptor, along this second axis and rotate be arranged at this chamber, the outer peripheral edge of this adaptor is provided with several carrier, and each carrier comprises a concave arc and is connected to arc limit symmetrically, these concave arc both sides, and this adaptor uniaxially drives a screw piece;
One abuts post, is arranged between this pipe portion and this chamber, and this abutting post has one and is parallel to the central axis and of this second axis around the periphery of this central axis, in order to be connected to this concave arc and this arc limit;
One clutch part, is movably set in this pipe portion, and it has a first surface and one second, and this first surface is plane and linear contact lay is resisted against the periphery of this abutting post;
One handle, is arranged in the ora terminalis in this pipe portion; And
One elastic component, is arranged in this pipe portion, in order to be held in second of this clutch part.
Wherein, this clutch part Structure deformation is in the inner edge in this pipe portion.
Wherein, this handle is hollow form, and rotates and be arranged at this pipe portion, and the inside of this handle is provided with an adjustment assembly, and it produces axial displacement along with the turn of this handle, in order to by second ejection of this elastic component towards this clutch part.
Wherein, this adaptor includes:
One supporting, one end has a socket part and is piercing in outside this chamber;
One action bars, is arranged in this supporting, and relatively can produce axis and swing offset by this supporting, when axial displacement, makes the selective clip in this socket part or release one sleeve;
One outer shroud, is sheathed on this supporting, and this carrier is arranged at the periphery of this outer shroud, and the inner edge of this outer shroud is provided with a ratchet part; And
One is hubbed at the ratchet block between this action bars and this outer shroud, and this ratchet block by the swing offset of this action bars, and can order about this ratchet block lateral engagement in this ratchet part, in order to this sleeve of one-directional rotation.
Wherein, this supporting side is provided with a deep-slotted chip breaker, and this deep-slotted chip breaker is with in being hubbed at for this ratchet block, and this action bars is provided with a head part and a spring, in order to this ratchet block of pushing tow towards this ratchet part.
Also disclose a kind of torque spanner determining torsion, it is characterized in that comprising:
One wrench body, the head having a pipe portion and extend from this one end, pipe portion, has a chamber in this head and a storage tank is communicated between this chamber and this pipe portion, and this chamber has a through hole;
One adaptor, rotation is arranged at this chamber, this adaptor has a first end, one second end, one first contact surface and one second contact surface, this first contact surface and this second contact surface are embedded with several steel ball respectively, make this adaptor point cantact in this base plate, and this first end projection is for this through hole, in order to accept a sleeve, the outer peripheral edge of this adaptor is provided with several carrier;
One abuts post, is arranged at this storage tank, in order to be connected to the carrier of this adaptor;
One clutch part, is movably set in this pipe portion, and it has a first surface and one second, and this first surface is the outer peripheral edge that plane is resisted against this abutting post;
One lid, is incorporated into the opening part of this chamber and this storage tank, and this lid has a perforation, and this perforation passes for the second end of this adaptor, and this lid has an outer surface and an inner surface, and this inner surface is for the steel ball point cantact of this adaptor;
One handle, is arranged in the ora terminalis in this pipe portion; And
One elastic component, is arranged in this pipe portion, in order to be held in second of this clutch part.
Wherein, this clutch part Structure deformation is in the inner edge in this pipe portion.
Wherein, this chamber has the bottom land of a base plate and this storage tank is same plane.
Wherein, this abutting post has a upper surface and a lower surface, and this lower surface is connected to this base plate, and this upper surface is undertaken in the inner surface of this lid.
Wherein, this handle is hollow form, and rotates and be arranged at this pipe portion, and the inside of this handle is provided with an adjustment assembly, and it produces axial displacement along with the turn of this handle, in order to by second ejection of this elastic component towards this clutch part.
Wherein, this adaptor includes:
One supporting, one end has a socket part and is piercing in outside this through hole;
One action bars, is arranged in this supporting, and relatively can produce axis and swing offset by this supporting, when axial displacement, makes the selective clip in this socket part or discharges this sleeve;
One outer shroud, is sheathed on this supporting, and this carrier is arranged at the periphery of this outer shroud, and this first contact surface and this second contact surface are arranged at the two ends of this outer shroud respectively, and the inner edge of this outer shroud is provided with a ratchet part; And
One is hubbed at the ratchet block between this action bars and this outer shroud, and this ratchet block by the swing offset of this action bars, and can order about this ratchet block lateral engagement in this ratchet part, in order to this sleeve of one-directional rotation.
Wherein, this supporting side is provided with a deep-slotted chip breaker, and this deep-slotted chip breaker is with in being hubbed at for this ratchet block, and this action bars is provided with a head part and a spring, in order to this ratchet block of pushing tow towards this ratchet part.
By this, the present invention, on each component transmitting torsion, adopts structure or structure that contact area is less, reduces contact area according to this, reduce Relative friction, and can reach the more direct and unlikely abatement of torsion transmission and dispersion, guarantee the accuracy of torque value.
Accompanying drawing explanation
Fig. 1: be schematic appearance of the present invention.
Fig. 2: be STRUCTURE DECOMPOSITION figure of the present invention.
Fig. 3: be side of the present invention generalized section.
Fig. 4: be clutch part end-view of the present invention.
Fig. 5: be movement state diagram of the present invention (one).
Fig. 6: be movement state diagram of the present invention (two).
Detailed description of the invention
For ease of the central idea that the present invention is represented in foregoing invention content one hurdle is described, hereby express with specific embodiment.In embodiment, various different object is described in the ratio, size, deflection or the displacement that are suitable for illustrating, but not is drawn in the ratio of actual components, and conjunction is first chatted bright.
Refer to shown in Fig. 1 to Fig. 3, the torque spanner determining torsion of the present invention, it comprises wrench body 10, adaptor 20, and abuts post 30, clutch part 40, handle 50, elastic component 60 and a lid 70.
Wrench body 10, there is the second axis L2 of the vertical first axle L1 of a first axle L1 and, wrench body 10 is provided with a pipe portion 11 along first axle L1 extension, one end, pipe portion 11 is provided with a head 12, head 12 is provided with a chamber 13 in the second axis L2, and the outer peripheral edge in pipe portion 11 is provided with a torque value scale 111, and chamber 13 side is provided with a storage tank 14 with pipe portion 11 is communicated with, it is same plane with the bottom land of storage tank 14 that chamber 13 separately has a base plate 131, and form a difference of height with pipe portion 11, in addition, chamber 13 has more a through hole 132.
Adaptor 20, rotate and be arranged at chamber 13, adaptor 20 can drive the tool heads as sleeve, in order to turn a screw piece; And adaptor 20 includes supporting 21, action bars 22, outer shroud 23 and a ratchet block 24; Supporting 21 has an axis hole 211, wears for action bars 22, and one end of supporting 21 has a socket part 212 is piercing in outside through hole 132, and the side of supporting 21 offers a deep-slotted chip breaker 213 in addition, and its cross connection one is bored a hole and 214 is communicated in axis hole 211.
Further, supporting 21 other end has a flange 215; Action bars 22 is flexibly set in axis hole 211, and relatively can produce axial displacement, in order to the ability making socket part 212 have selective clip or releasing sleeve by supporting 21; Outer shroud 23 is respectively provided with one first contact surface 231 and one second contact surface 232 in two ends, first contact surface 231 and the second contact surface 232 are embedded with a plurality of steel ball 233 respectively, the steel ball 233 of the second contact surface 232 can be connected to base plate 131, form point cantact, in addition, outer shroud 23 is sheathed on supporting 21, and be provided with several carrier 234 in periphery, each carrier 234 comprises a concave arc 234a and is connected to concave arc 234a both sides arc limit 234b symmetrically, and the inner edge of outer shroud 23 is provided with a ratchet part 235; Ratchet block 24 is hubbed at deep-slotted chip breaker 213 by an alignment pin 25, and between outer shroud 23 and action bars 22, and the dual-side of ratchet block 24 is respectively provided with a ratchet 241; Wherein, action bars 22 periphery is provided with head part 26 and a spring 27, and head part 26 is exposed to perforation 214, to be held in ratchet block 24, the selective lateral engagement ratchet part 235 of ratchet block 24 can be made through rotation process bar 22, and the object for the ease of turning, the structure of an embossing or other equivalences can be set on action bars 22 head.
Abut post 30, be arranged in the storage tank 14 between pipe portion 11 and chamber 13, and abut post 30 and there is a lower surface 32, upper surface 31, one and by its central axis L3 between the two, central axis L3 is parallel to the second axis L2, in addition, a periphery 33 is provided with round central axis L3, in order to be connected to concave arc 234a and the arc limit 234b of carrier 234 between upper surface 31 and lower surface 32.
Clutch part 40, be movably set in pipe portion 11, its one end is embedded with a cylinder 41, and its end face is that plane is connected to the periphery 33 abutting post 30, in addition, the periphery of clutch part 40 is equidistantly equipped with several ball row 42, ball is arranged 42 intervening gaps and be can be 60 degree of angles, and each ball row 42 is axially provided with four balls, and each ball all slightly protrudes from clutch part 40 periphery, to make clutch part 40 Structure deformation in the inner edge in pipe portion 11, as shown in Figure 4.
Handle 50 is hollow form, and can the ora terminalis being arranged in pipe portion 11 be rotated, and the inside of handle 50 is provided with an adjustment assembly 51, it can produce axial displacement along with the turn of handle 50, in order to by the other end ejection of elastic component 60 towards clutch part 40, wherein handle 50 is provided with an indicating graduation 52 corresponding to torque value scale 111, and for the torque value that instruction is correct, and elastic component 60 can be a Compress Spring.
Lid 70, be incorporated into the opening part of chamber 13 and storage tank 14, lid 70 has a perforation 71 and passes for the end of adaptor 20, refer to that the flange 215 of supporting 21 passes especially, and the head of action bars 22 is also for passing, in addition, lid 70 has outer surface 72 and an inner surface 73, inner surface 73 can contact for the steel ball 233 of the first contact surface 231 of outer shroud 23, to form point cantact.
Shown in Fig. 3, Fig. 5 to Fig. 6, be held in clutch part 40 when the certain prestressing of elastic component 60 tool, make clutch part 40 pushing tow abut post 30 toward outer shroud 23 carrier 234 against, the periphery 33 of abutting post 30 is made to be connivent in concave arc 234a and arc limit 234b according to this, when reaching setting torque value, abutting post 30 can along with the rotation of outer shroud 23, and make its periphery 33 partially be against one arc limit 234b gradually, and more to another carrier 234 formed against, therefore, it is possible to according to required torque value, reach with an escape state, avoid the situation that screw piece is damaged; Wherein, in operating process, mat clutch part 40 and inner edge, pipe portion 11 are Structure deformation relation, and abutting post 30 with clutch part 40 is linear contact lay, makes torsion in transmittance process, and with the less event of contact area, torsion is unlikely dispersion, to guarantee the accuracy of torque value; Moreover, outer shroud 23 is in rotation, the steel ball 233 of mat first contact surface 231 and the steel ball 233 of the second contact surface 232, respectively point cantact is in the inner surface 73 of lid 70 and base plate 131, and contact area can be reduced, and reduce Relative friction, make the more direct and unlikely abatement of torsion transmission, guarantee the accuracy of torque value.
In addition, through rotation process bar 22, make its head part 26 push up towards left side or right side ratchet block 24 of pulling, and can outer shroud 23 be driven to rotate by uniaxially, so there is the bi-directional braking function of general ratchet spanner, with when needs fast dismantling is from screw piece, provides and operate easily.
Comprehensively above-mentioned, the present invention determines the torque spanner of torsion, in transmitting structure or structure that each component of torsion adopts contact area less, be such as the inner edge, pipe portion of clutch part in the present invention and wrench body be Structure deformation, abut post and clutch part is linear contact lay, outer shroud and upper cover and chamber are point cantact, reduce contact area according to this, reduce Relative friction, and the more direct and unlikely abatement of torsion transmission and dispersion can be reached, guarantee the accuracy of torque value.
Above illustrated embodiment, only in order to the present invention to be described, is not used to limit the scope of the invention.Such as do not disobey the present invention's various modifications of being engaged in of spirit or change, all belong to the category that this invention is intended to protect.
Claims (18)
1. determine a torque spanner for torsion, it is characterized in that comprising:
One wrench body, has the second axis of a first axle this first axle vertical with, extend and be provided with a pipe portion, and one is arranged at chamber on this second axis along this first axle;
One adaptor, along this second axis and rotate be arranged at this chamber, the outer peripheral edge of this adaptor is provided with several carrier;
One abuts post, is arranged between this pipe portion and this chamber, and this abutting post has one and is parallel to the central axis and of this second axis around the periphery of this central axis, in order to be connected to this carrier;
One clutch part, is movably set in this pipe portion, and it has a first end, one second end and a periphery, and this first end is resisted against the periphery of this abutting post, and this periphery Structure deformation is in the inner edge in this pipe portion;
One handle, is arranged in the ora terminalis in this pipe portion; And
One elastic component, is arranged in this pipe portion, in order to be held in the second end of this clutch part.
2. determine the torque spanner of torsion as claimed in claim 1, it is characterized in that, the periphery of this clutch part is equidistantly equipped with several ball row.
3. determine the torque spanner of torsion as claimed in claim 1 or 2, it is characterized in that, the first end of this clutch part is embedded with a cylinder, and the end face of this cylinder is connected to the periphery of this abutting post.
4. determine the torque spanner of torsion as claimed in claim 1, it is characterized in that, this handle is hollow form, and rotation is arranged at this pipe portion, and the inside of this handle is provided with an adjustment assembly, it produces axial displacement along with the turn of this handle, in order to by the second end ejection of this elastic component towards this clutch part.
5. determine the torque spanner of torsion as claimed in claim 1, it is characterized in that, this adaptor includes:
One supporting, one end has a socket part and is piercing in outside this chamber;
One action bars, is arranged in this supporting, and relatively can produce axis and swing offset by this supporting, when axial displacement, makes the selective clip in this socket part or release one sleeve;
One outer shroud, is sheathed on this supporting, and this carrier is arranged at the periphery of this outer shroud, and the inner edge of this outer shroud is provided with a ratchet part; And
One is hubbed at the ratchet block between this action bars and this outer shroud, and this ratchet block by the swing offset of this action bars, and can order about this ratchet block lateral engagement in this ratchet part, in order to this sleeve of one-directional rotation.
6. determine the torque spanner of torsion as claimed in claim 5, it is characterized in that, this supporting side is provided with a deep-slotted chip breaker, and this deep-slotted chip breaker is with in being hubbed at for this ratchet block, this action bars is provided with a head part and a spring, in order to this ratchet block of pushing tow towards this ratchet part.
7. determine a torque spanner for torsion, it is characterized in that comprising:
One wrench body, has the second axis of a first axle this first axle vertical with, extend and be provided with a pipe portion, and one is arranged at chamber on this second axis along this first axle;
One adaptor, along this second axis and rotate be arranged at this chamber, the outer peripheral edge of this adaptor is provided with several carrier, and each carrier comprises a concave arc and is connected to arc limit symmetrically, these concave arc both sides, and this adaptor uniaxially drives a screw piece;
One abuts post, is arranged between this pipe portion and this chamber, and this abutting post has one and is parallel to the central axis and of this second axis around the periphery of this central axis, in order to be connected to this concave arc and this arc limit;
One clutch part, is movably set in this pipe portion, and it has a first surface and one second, and this first surface is plane and linear contact lay is resisted against the periphery of this abutting post;
One handle, is arranged in the ora terminalis in this pipe portion; And
One elastic component, is arranged in this pipe portion, in order to be held in second of this clutch part.
8. determine the torque spanner of torsion as claimed in claim 7, it is characterized in that, this clutch part Structure deformation is in the inner edge in this pipe portion.
9. determine the torque spanner of torsion as claimed in claim 7, it is characterized in that, this handle is hollow form, and rotation is arranged at this pipe portion, and the inside of this handle is provided with an adjustment assembly, it produces axial displacement along with the turn of this handle, in order to by second ejection of this elastic component towards this clutch part.
10. determine the torque spanner of torsion as claimed in claim 7, it is characterized in that, this adaptor includes:
One supporting, one end has a socket part and is piercing in outside this chamber;
One action bars, is arranged in this supporting, and relatively can produce axis and swing offset by this supporting, when axial displacement, makes the selective clip in this socket part or release one sleeve;
One outer shroud, is sheathed on this supporting, and this carrier is arranged at the periphery of this outer shroud, and the inner edge of this outer shroud is provided with a ratchet part; And
One is hubbed at the ratchet block between this action bars and this outer shroud, and this ratchet block by the swing offset of this action bars, and can order about this ratchet block lateral engagement in this ratchet part, in order to this sleeve of one-directional rotation.
11. torque spanneres determining torsion as claimed in claim 10, it is characterized in that, this supporting side is provided with a deep-slotted chip breaker, and this deep-slotted chip breaker is with in being hubbed at for this ratchet block, this action bars is provided with a head part and a spring, in order to this ratchet block of pushing tow towards this ratchet part.
12. 1 kinds of torque spanneres determining torsion, is characterized in that comprising:
One wrench body, the head having a pipe portion and extend from this one end, pipe portion, has a chamber in this head and a storage tank is communicated between this chamber and this pipe portion, and this chamber has a through hole;
One adaptor, rotation is arranged at this chamber, this adaptor has a first end, one second end, one first contact surface and one second contact surface, this first contact surface and this second contact surface are embedded with several steel ball respectively, make this adaptor point cantact in this base plate, and this first end projection is for this through hole, in order to accept a sleeve, the outer peripheral edge of this adaptor is provided with several carrier;
One abuts post, is arranged at this storage tank, in order to be connected to the carrier of this adaptor;
One clutch part, is movably set in this pipe portion, and it has a first surface and one second, and this first surface is the outer peripheral edge that plane is resisted against this abutting post;
One lid, is incorporated into the opening part of this chamber and this storage tank, and this lid has a perforation, and this perforation passes for the second end of this adaptor, and this lid has an outer surface and an inner surface, and this inner surface is for the steel ball point cantact of this adaptor;
One handle, is arranged in the ora terminalis in this pipe portion; And
One elastic component, is arranged in this pipe portion, in order to be held in second of this clutch part.
13. torque spanneres determining torsion as claimed in claim 12, it is characterized in that, this clutch part Structure deformation is in the inner edge in this pipe portion.
14. torque spanneres determining torsion as claimed in claim 12, it is characterized in that, the bottom land that this chamber has a base plate and this storage tank is same plane.
15. torque spanneres determining torsion as claimed in claim 14, it is characterized in that, this abutting post has a upper surface and a lower surface, and this lower surface is connected to this base plate, and this upper surface is undertaken in the inner surface of this lid.
16. torque spanneres determining torsion as claimed in claim 12, it is characterized in that, this handle is hollow form, and rotation is arranged at this pipe portion, and the inside of this handle is provided with an adjustment assembly, it produces axial displacement along with the turn of this handle, in order to by second ejection of this elastic component towards this clutch part.
17. torque spanneres determining torsion as claimed in claim 12, it is characterized in that, this adaptor includes:
One supporting, one end has a socket part and is piercing in outside this through hole;
One action bars, is arranged in this supporting, and relatively can produce axis and swing offset by this supporting, when axial displacement, makes the selective clip in this socket part or discharges this sleeve;
One outer shroud, is sheathed on this supporting, and this carrier is arranged at the periphery of this outer shroud, and this first contact surface and this second contact surface are arranged at the two ends of this outer shroud respectively, and the inner edge of this outer shroud is provided with a ratchet part; And
One is hubbed at the ratchet block between this action bars and this outer shroud, and this ratchet block by the swing offset of this action bars, and can order about this ratchet block lateral engagement in this ratchet part, in order to this sleeve of one-directional rotation.
18. torque spanneres determining torsion as claimed in claim 17, it is characterized in that, this supporting side is provided with a deep-slotted chip breaker, and this deep-slotted chip breaker is with in being hubbed at for this ratchet block, this action bars is provided with a head part and a spring, in order to this ratchet block of pushing tow towards this ratchet part.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102221440U TWM473899U (en) | 2013-11-15 | 2013-11-15 | Torque wrench with constant torque |
| TW102221440 | 2013-11-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104647269A true CN104647269A (en) | 2015-05-27 |
| CN104647269B CN104647269B (en) | 2017-01-18 |
Family
ID=50822758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410208766.9A Active CN104647269B (en) | 2013-11-15 | 2014-05-16 | Torque wrench with fixed torque |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104647269B (en) |
| TW (1) | TWM473899U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI623391B (en) * | 2017-07-19 | 2018-05-11 | Torque adjusting device | |
| TWI626124B (en) * | 2017-08-07 | 2018-06-11 | Free-running torque wrench | |
| CN108436814A (en) * | 2017-02-16 | 2018-08-24 | 和嘉兴精密有限公司 | Torque wrench structure |
| TWI661906B (en) * | 2018-09-17 | 2019-06-11 | 和嘉興精密有限公司 | Torque wrench structure |
| TWI702119B (en) * | 2019-11-18 | 2020-08-21 | 和嘉興精密股份有限公司 | Torsion structure |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI658908B (en) * | 2018-04-20 | 2019-05-11 | 特典工具股份有限公司 | Clutch member and torque wrench |
| TWI677409B (en) * | 2019-03-06 | 2019-11-21 | 鴻安國際興業有限公司 | Torque wrench |
| CN114012645A (en) * | 2021-11-16 | 2022-02-08 | 杭州昕迈科技有限公司 | Torque wrench |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4126062A (en) * | 1977-08-25 | 1978-11-21 | Jo-Line Tools, Inc. | Torque wrench |
| JPH06238574A (en) * | 1992-12-16 | 1994-08-30 | Zojirushi Chain Block Kk | Constant torque tightening tool |
| JPH11188652A (en) * | 1997-10-09 | 1999-07-13 | Chicago Pneumatic Tool Co | Shank spindle, ratchet mechanism, and method for preventing motion of shank spindle |
| CN201979433U (en) * | 2010-12-09 | 2011-09-21 | 林丽英 | Torque wrench with torque tripping function |
-
2013
- 2013-11-15 TW TW102221440U patent/TWM473899U/en not_active IP Right Cessation
-
2014
- 2014-05-16 CN CN201410208766.9A patent/CN104647269B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4126062A (en) * | 1977-08-25 | 1978-11-21 | Jo-Line Tools, Inc. | Torque wrench |
| JPH06238574A (en) * | 1992-12-16 | 1994-08-30 | Zojirushi Chain Block Kk | Constant torque tightening tool |
| JPH11188652A (en) * | 1997-10-09 | 1999-07-13 | Chicago Pneumatic Tool Co | Shank spindle, ratchet mechanism, and method for preventing motion of shank spindle |
| CN201979433U (en) * | 2010-12-09 | 2011-09-21 | 林丽英 | Torque wrench with torque tripping function |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108436814A (en) * | 2017-02-16 | 2018-08-24 | 和嘉兴精密有限公司 | Torque wrench structure |
| TWI623391B (en) * | 2017-07-19 | 2018-05-11 | Torque adjusting device | |
| TWI626124B (en) * | 2017-08-07 | 2018-06-11 | Free-running torque wrench | |
| TWI661906B (en) * | 2018-09-17 | 2019-06-11 | 和嘉興精密有限公司 | Torque wrench structure |
| TWI702119B (en) * | 2019-11-18 | 2020-08-21 | 和嘉興精密股份有限公司 | Torsion structure |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM473899U (en) | 2014-03-11 |
| CN104647269B (en) | 2017-01-18 |
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Effective date of registration: 20170406 Address after: Taichung City, Taiwan, China Patentee after: Jiaxing Precision Co., Ltd. Address before: Taichung City, Taiwan, China Taiping District, 23 Taiping Street, building 37, No. 3 Patentee before: Standing grain Jiaxing Co., Ltd |