CN206663092U - Torque limit spanner - Google Patents

Torque limit spanner Download PDF

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Publication number
CN206663092U
CN206663092U CN201720491453.8U CN201720491453U CN206663092U CN 206663092 U CN206663092 U CN 206663092U CN 201720491453 U CN201720491453 U CN 201720491453U CN 206663092 U CN206663092 U CN 206663092U
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CN
China
Prior art keywords
connecting portion
keeper
torque limit
elastic component
rotating shaft
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Active
Application number
CN201720491453.8U
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Chinese (zh)
Inventor
梅华平
刘丽华
熊巍
盛继群
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Hubei Engineering University
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Hubei Engineering University
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Priority to CN201720491453.8U priority Critical patent/CN206663092U/en
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Publication of CN206663092U publication Critical patent/CN206663092U/en
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Abstract

It the utility model is related to torque limit spanner, belong to machining tools art, including driving end and handle, the first connecting portion of driving end and the second connecting portion of handle are rotatablely connected by moment of torsion control component, moment of torsion control component includes rotating shaft, first elastic component, first keeper and the second keeper, rotating shaft connects first connecting portion and second connecting portion, one end of rotating shaft connects the first keeper, the other end is detachably connected the second keeper, first elastic component is sheathed on rotating shaft, and first one end of elastic component prop up the first keeper, the other end props up second connecting portion, second keeper props up second connecting portion, driving end is provided with the adjusting nut of regulation driving end openings of sizes;It can be protected to bolt and spanner, be can be sent out the sound and reminded operating personnel's moment of torsion to overload, otherwise further enhance the protection to bolt and spanner.

Description

Torque limit spanner
Technical field
Machining tools art is the utility model is related to, in particular to torque limit spanner.
Background technology
Threaded connection is most common connected mode between engineering goods, and the overwhelming majority must tighten, and make bolt connection Before service load is born, the effect of power is previously subjected to.Common wrench can not intuitively reflect whether pre-fastening moment reaches, often Often there is torque to be threaded through and cause torque spanner damage or bolt to cross the phenomenon of torque.
Therefore, it is necessary to design it is a kind of can intuitively allow very much user to feel torque spanner up to standard, to prevent There is torque to be threaded through and cause that torque spanner damages or bolt crosses the phenomenon of torque.
Utility model content
The purpose of this utility model is to provide a kind of torque limit spanner, and it can set the torque limit before use The upper torque limit that spanner can be born, when using the torque limit spanner, if operating personnel's overexertion, carried more than the spanner The upper torque limit that can be born of preceding setting, driving end can slide relative to handle, and send the sound, on the one hand to bolt and pulling Hand is protected, and the another aspect sound can remind operating personnel's moment of torsion to overload, otherwise is further enhanced to bolt With the protection of spanner.
What embodiment of the present utility model was realized in:
A kind of torque limit spanner, it includes driving end and handle, and the first connecting portion of driving end and the second of handle connect Socket part is rotatablely connected by moment of torsion control component, and moment of torsion control component includes rotating shaft, the first elastic component, the first keeper and second Keeper, rotating shaft connection first connecting portion and second connecting portion, one end of rotating shaft connect the first keeper, and the other end detachably connects The second keeper is connect, the first elastic component is sheathed on rotating shaft, and one end of the first elastic component props up the first keeper, and the other end props up Second connecting portion, the second keeper prop up first connecting portion.
In the utility model preferred embodiment, above-mentioned second keeper and shaft thread coordinate.
In the utility model preferred embodiment, anti-skidding group is folded between above-mentioned first connecting portion and second connecting portion Part.
In the utility model preferred embodiment, above-mentioned anti-skidding component includes the first double wedge and the second double wedge, and first is convex Tooth is arranged at first connecting portion, and the second double wedge is arranged at second connecting portion, and the first double wedge and the second double wedge coordinate, and the first double wedge It can depart from each other in the presence of external force with the second double wedge.
In the utility model preferred embodiment, above-mentioned anti-skidding component is antiskid glue cushion, and the both sides of antiskid glue cushion are distinguished Prop up first connecting portion and second connecting portion.
In the utility model preferred embodiment, above-mentioned second connecting portion offers the first groove, and the first elastic component supports The firmly bottom of the first groove.
In the utility model preferred embodiment, above-mentioned first connecting portion offers the second groove, and the second keeper is set It is placed in the second groove.
In the utility model preferred embodiment, above-mentioned first elastic component includes spring or flexible rubber ring.
In the utility model preferred embodiment, above-mentioned first connecting portion is provided with the 3rd groove, second connecting portion The second elastic component and limited block are internally provided with, one end of the second elastic component props up the inwall of second connecting portion, and the other end props up Limited block, limited block are resisted against the inwall of the 3rd groove, and limited block can depart from the 3rd groove in the presence of external force.
A kind of torque limit spanner, it includes driving end and handle, and the first connecting portion of driving end and the second of handle connect Socket part is rotatablely connected by moment of torsion control component, and moment of torsion control component includes rotating shaft, the first elastic component, the first keeper and second Keeper, rotating shaft connection first connecting portion and second connecting portion, one end of rotating shaft connect the first keeper, and the other end detachably connects The second keeper is connect, the first elastic component is sheathed on rotating shaft, and one end of the first elastic component props up the first keeper, and the other end props up Second connecting portion, driving end are provided with the adjusting nut of regulation driving end openings of sizes.
The beneficial effect of the torque limit spanner of the utility model embodiment is:Can be before using the torque limit spanner The upper torque limit for setting it to bear so that when using the torque limit spanner, if operating personnel's overexertion, more than this The upper torque limit that can be born that spanner is set in advance, driving end can slide relative to handle, and send the sound, on the one hand to spiral shell Bolt and spanner are protected, and the another aspect sound can remind operating personnel's moment of torsion to overload, otherwise are further enhanced Protection to bolt and spanner.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation of the torque limit spanner of the utility model embodiment one;
Fig. 2 is the first connecting portion of the utility model embodiment one and the structural representation one of second connecting portion;
Fig. 3 is the structural representation of the driving end of the utility model embodiment one;
Fig. 4 is the handle arrangement schematic diagram of the utility model embodiment one;
Fig. 5 is the first connecting portion of the utility model embodiment one and the structural representation two of second connecting portion;
Fig. 6 is the structural representation of the torque limit spanner of the utility model embodiment two;
Fig. 7 is the first connecting portion of the utility model embodiment two and the structural representation of second connecting portion;
Fig. 8 is the enlarged drawing at VIII in Fig. 7.
Icon:10a- torque limit spanners;10b- torque limit spanners;100a- driving ends;100b- driving ends;200a- Handle;200b- handles;210- adjusting nuts;230a- moment of torsion control components;230b- moment of torsion control components;221a- first is connected Portion;221b- first connecting portions;222a- second connecting portions;222b- second connecting portions;241- rotating shafts;The elastic components of 242- first; The keepers of 243- second;The keepers of 246- first;250- anti-skidding components;The double wedges of 251- first;The double wedges of 252- second;253- is anti-skidding Rubber cushion;The grooves of 254- first;The grooves of 255- second;The grooves of 256- the 3rd;The elastic components of 257- second;258- limited blocks.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Generally here described in accompanying drawing and The component of the utility model embodiment shown can be configured to arrange and design with a variety of.
Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit requirement below The scope of the utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all Belong to the scope of the utility model protection.
It should be noted that:Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
, it is necessary to the orientation or position of the instruction such as explanation, term " on ", " under " in the description of the utility model embodiment Put relation be based on orientation shown in the drawings or position relationship, or the utility model product using when the orientation usually put Or position relationship, be for only for ease of description the utility model and simplify and describe, rather than instruction or imply signified device or Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model System.In addition, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and it is not intended that indicating or implying relatively heavy The property wanted.
In the description of the utility model embodiment, it is also necessary to explanation, unless otherwise clearly defined and limited, art Language " setting ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly be connected Connect;Can be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected by intermediary, can To be the connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition Concrete meaning in the utility model.
Embodiment one
Fig. 1 is the torque limit spanner 10a of the utility model embodiment one structural representation.It refer to Fig. 1, this implementation Example provides a kind of torque limit spanner 10a, and it includes driving end 100a and handle 200a.Driving end 100a's and handle 200a turns Dynamic connection.
The adjusting nut 210 of joystick 200a head openings of sizes is provided with above-mentioned handle 200a heads, you can to pass through Adjusting nut 210 adjusts driving end 100a openings of sizes, suitable for different size of bolt so that the torque limit spanner 10a can be used for the bolt for turning various sizes.
Fig. 2 is the first connecting portion 221a and second connecting portion 222a of the utility model embodiment one structural representation One;Fig. 3 is the driving end 100a of the utility model embodiment one structural representation;Fig. 4 is the utility model embodiment one Handle 200a structural representations.Refer to Fig. 2, Fig. 3 and Fig. 4, in the present embodiment first connecting portion 221a can and driving end 100a connections, second connecting portion 222a can connect with handle 200a, pass through first connecting portion 221a and second connecting portion 222a Rotation connection, you can realize driving end 100a and handle 200a relative rotation.
It should be noted that in a further embodiment driving end 100a and handle 200a and first connecting portion 221a and Second connecting portion 222a annexation can also be exchanged with each other, i.e. driving end 100a can connect with second connecting portion 222a, Handle 200a connects with first connecting portion 221a, and the connected mode can also realize that driving end 100a and handle 200a rotation connects Connect.
Fig. 2 is continued referring to, above-mentioned first connecting portion 221a and second connecting portion 222a pass through moment of torsion control component 230a Rotation connection, moment of torsion control component 230a include rotating shaft 241, the first elastic component 242, the second keeper 243 and the first positioning Part 246.Rotating shaft 241 is sequentially connected first connecting portion 221a and second connecting portion 222a, connects first connecting portion 221a and second It can mutually rotate between socket part 222a, be i.e. can mutually be rotated between driving end 100a and handle 200a;Second keeper 243 Detachably (movable) is sheathed on rotating shaft 241 close to first connecting portion 221a one end, i.e. the second keeper 243 can turn The axis direction of axle 241 is up and down, and the second keeper 243 props up second connecting portion 222a;Above-mentioned 242 sets of first elastic component Second connecting portion 222a is propped up located at one end of rotating shaft 241, and the first elastic component 242, the other end props up rotating shaft 241 close to Two connecting portion 222a the first keeper 246.Position of second keeper 243 in rotating shaft 241 is adjusted, is to the first elasticity Pressure suffered by part 242 is adjusted, and then adjust first connecting portion 221a and second connecting portion 222a interphase interaction Pressure, upper torque limit suffered between first connecting portion 221a and second connecting portion 222a is set to be adjusted.
Specifically, the movable connection of the second keeper 243 and rotating shaft 241 can be coordinated by screw thread and be realized.
When the second keeper 243 is adjusted to the top of rotating shaft 241, the pressure increase suffered by the first elastic component 242, the torsion Square limitation spanner 10a upper torque limit increase, bigger external force twisting bolt can be used;When the second keeper 243 is to rotating shaft During 241 lower section regulation, the pressure suffered by the first elastic component 242 is reduced, and torque limit spanner 10a upper torque limit reduces, The twisting external force that can be born is smaller, and the protective effect to bolt and the spanner is more obvious.
Preferably, second connecting portion 222a offers the first groove 254, one end of above-mentioned first elastic component 242 props up The bottom of first groove 254, the other end prop up the first keeper 246 of rotating shaft 241.First elastic component 242 is embedded at first The displacement of the first elastic component 242 can be prevented in groove 254, avoids reducing the first elastic component 242 to driving end 100a and handle 200a moment of torsion adjustment effect.
It should be noted that the first elastic component 242 can be spring or flexible rubber ring, the second keeper 243 can be Nut, spring is used in the present embodiment, one end of spring is propped up into second connecting portion 222a, the other end props up the of rotating shaft 241 Positioning piece 246, the compression degree of spring is adjusted by adjusting nut 210, so as to adjust first connecting portion 221a and second The upper limit of moment of torsion between connecting portion 222a, reach the upper torque limit that control driving end 100a can be born, and then be effectively prevented from Bolt is damaged problem.
Also need to further illustrate, the first keeper 246 and rotating shaft 241 can integrally be replaced with pin.First bullet One end of property part 242 props up second connecting portion 222a, and the other end props up the termination of pin.
Preferably, above-mentioned first connecting portion 221a offers the second groove 255, and foregoing second keeper 243 can be set In the second groove 255.Second keeper 243 is arranged at into the second groove 255, and can to reduce by the second keeper 243 directly exposed Volume outside, and then collision of second keeper 243 in mechanical work with various parts can be reduced, it is fixed to loosen second Position part 243 changes torque limit spanner 10a upper torque limit, further avoids damage to bolt or spanner.
Further, anti-skidding component 250 is folded between first connecting portion 221a and second connecting portion 222a.Specifically, Fig. 3 and Fig. 4 are refer to, the anti-skidding component 250 includes the first double wedge 251 and the second double wedge 252, and the first double wedge 251 is arranged at First connecting portion 221a, the second double wedge 252 are arranged at second connecting portion 222a, and the first double wedge 251 and the second double wedge 252 being capable of phases Mutually coordinate, and can enough departs from each other in the presence of external force.When the moment of torsion that external force is set without departing from torque limit spanner 10a During the upper limit, the first double wedge 251 and the second double wedge 252 cooperate, between first connecting portion 221a and second connecting portion 222a not It can occur mutually to slide, now torque limit spanner 10a can be used for turning nut;When external force is pulled beyond the torque limit During the upper torque limit that hand 10a is set, the first double wedge 251 and the second double wedge 252 can depart from each other in the presence of external force, and now the It can occur to slide relatively between one connecting portion 221a and second connecting portion 222a, i.e. driving end 100a can be beaten on handle 200a It is sliding, and then can not continue to turn bolt, protect bolt and spanner not to be damaged, reduce the cost of mechanical work, and When the first double wedge 251 and the second double wedge 252 depart from each other, and the matching relationship between double wedge is replied in relative slip again, first is convex The collision of the double wedge 252 of tooth 251 and second can send the sound, prompt operating personnel's torque overload, it shall be noted that control is exerted oneself.
Fig. 5 is the first connecting portion 221a and second connecting portion 222a of the utility model embodiment one structural representation Two.It should be noted that refer to Fig. 5, anti-skidding component 250 except can be above-mentioned mutual cooperation the first double wedge 251 and Two double wedges 252, the sandwiched antiskid glue cushion 253 between first connecting portion 221a and second connecting portion 222a is can also be, using anti- The frictional force of sliding rubber cushion 253, can also realize the effect of regulation torque limit spanner 10a upper torque limits.
Torque limit spanner 10a operation principle is:Torque limit spanner 10a can be positioned by rotating shaft 241, second The cooperation of the elastic component 242 of part 243 and first adjusts its upper torque limit that can be born.Adjusting the second keeper 243 makes first After the compression stress increase that elastic component 242 is subject to, the upper torque limit that can be born between driving end 100a and handle 200a increases, this When can use larger external force twisting nut;The compression stress that adjusting the second keeper 243 is subject to the second elastic component 257 reduces Afterwards, the upper torque limit that can be born between driving end 100a and handle 200a reduces, if the external force now used is larger, more than setting The upper torque limit put, driving end 100a and handle 200a mutually skid, and then realize the protection to bolt and spanner, reduce machine The cost of tool operation.
Embodiment two
Fig. 6 is the torque limit spanner 10b of the utility model embodiment two structural representation.It refer to Fig. 6, this implementation Example provides a kind of torque limit spanner 10b, and its structure is similar with the torque limit spanner 10a of embodiment one structure, the moment of torsion Limitation spanner 10b include moment of torsion control component 230b, the moment of torsion control component 230b and moment of torsion control component 230a structure with Occupation mode is consistent, refer to Fig. 7, and difference is, driving end 100b and handle 200b by first connecting portion 221b and Second connecting portion 222b is rotatablely connected, and remaining identical structure refer to embodiment one.
Fig. 7 is the first connecting portion 221b and second connecting portion 222b of the utility model embodiment two structural representation, Fig. 8 is the enlarged drawing at VIII in Fig. 7.Specifically, Fig. 7 and Fig. 8 are refer to, first connecting portion 221b is provided with the 3rd groove 256, Second connecting portion 222b's is internally provided with the second elastic component 257 and limited block 258, and one end of the second elastic component 257 props up Two connecting portion 222b inwall, the other end props up limited block 258, and the limited block 258 is resisted against the interior of above-mentioned 3rd groove 256 Wall, limited block 258 can depart from the 3rd groove 256 under external force.
In the presence of the second elastic component 257, limited block 258 is set to be resisted against the inwall of the 3rd groove 256, now first connects Relative will not be slided between socket part 221b and second connecting portion 222b, that is to say, that driving end 100b and handle 200b now it Between will not rotate, bolt can be turned with driving end 100b;After the external force for turning bolt increases, now the second bullet Property part 257 shrink, limited block 258 can depart from the 3rd groove 256, first connecting portion 221b and second connecting portion 222b is relative turns Dynamic, now driving end 100b skids relative to handle 200b, it is impossible to the torsion for turning bolt is provided again, would not be because of exerting oneself Degree damages bolt or spanner, so as to reduce the cost of machine work.
It should be noted that above-mentioned limited block 258 can be positive stop bead or corner block, and the shape of the 3rd groove 256 and Positive stop bead or corner block are complementary, i.e., positive stop bead or corner block can be embedded in the 3rd groove 256, the and can in the presence of external force It is enough to deviate from from the 3rd groove 256, and enter the 3rd next groove 256.Limited block 258 in the present embodiment can be spacing Pearl.
It should be noted that the quantity of the 3rd groove 256 be such as can be 1,2,3, and when the 3rd groove 256 Quantity more than 1 when, can be along the positioned circumferentially adjacent of first connecting portion 221b.The 3rd groove 256 in the present embodiment Quantity is 2, and when driving end 100b overstress, positive stop bead can depart from the 3rd groove 256, and driving end 100b is relative to handle 200b skids and rotated, and positive stop bead can jump to next 3rd groove 256 from the 3rd groove 256, and positive stop bead is embedding When entering three grooves 256, collided with the inwall of the 3rd groove 256, send the sound, you can with more obvious build operating personnel It has been overloaded that, protection is all played a part of to bolt and torque limit spanner 10b, lowers the cost of mechanical work.
Further, second connecting portion 222b also includes limiting section and spacing hole, limiting section is mobilizable be arranged at it is spacing Hole, above-mentioned second elastic component 257 is arranged at the spacing hole, and one end of the second elastic component 257 props up limiting section, and the other end props up Above-mentioned positive stop bead (limited block 258).
The mobilizable spacing hole that is arranged at of above-mentioned limiting section refers to, limiting section can along spacing hole axis it is close or Away from positive stop bead (limited block 258) carry out activity, you can to adjust the torque limit spanner 10b in unstressed state, the The compression degree of two elastic components 257;Adjusted when by limiting section when close to positive stop bead, the compression stress that the second elastic component 257 is subject to Bigger, driving end 100b can bear bigger torque;Adjusted when by limiting section when away from positive stop bead, the second elastic component 257 The compression stress being subject to is smaller, and the torque that driving end 100b can be born is relatively small.
Further, internal thread is provided with the inwall of above-mentioned spacing hole, the outer wall of limiting section is provided with external screw thread, interior Screw thread and external screw thread, which coordinate, can realize activity of the limiting section in spacing hole, and the mode for adjusting limiting section position is simply square Just it is, easy to operate.
It should be noted that the second foregoing elastic component 257 can be spring or elastic blob of viscose, selected in the present embodiment It is spring, one end of the spring props up positive stop bead, and the other end props up limiting section.
It should be further stated that setting limiting section on second connecting portion 222b, and adjustable limit can be utilized The torque limit spanner 10b upper torque limits that can be born are adjusted jointly by position portion and moment of torsion control component 230b, and then Expand the adjustable extent of the torque limit spanner 10b upper torque limits.
Torque limit spanner 10b operation principle is:, can be first with moment of torsion control when using torque limit spanner 10b Component 230b processed adjusts the upper torque limit that torque limit spanner 10b can be born;The set inside second connecting portion 222b The mutual cooperation of two elastic components 257 and limited block 258 and first connecting portion 221b the 3rd groove 256, does not surpass in external torque When crossing the upper torque limit that torque limit spanner 10b is set in advance, limited block 258 props up the 3rd groove 256, and driving end 100b is not It can be skidded relative to handle 200b, now bolt can be turned with torque limit spanner 10b, when external torque exceedes the moment of torsion During the upper torque limit that limitation spanner 10b is set in advance, limited block 258 deviates from the 3rd groove 256, and driving end 100b is relative to handle 200b skids, and now torque limit spanner 10b can not turn bolt, can form protection to bolt and spanner, avoid improving The cost of mechanical work.
In summary, the beneficial effect of torque limit spanner of the present utility model is:It can be pulled using the torque limit The upper torque limit for setting it to bear before hand so that when using the torque limit spanner, if operating personnel's overexertion, surpass The upper torque limit that can be born that the spanner is set in advance is crossed, driving end can slide relative to handle, and send the sound, on the one hand Bolt and spanner are protected, the another aspect sound can remind operating personnel's moment of torsion to overload, otherwise further add The strong protection to bolt and spanner.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.

Claims (10)

  1. A kind of 1. torque limit spanner, it is characterised in that including driving end and handle, the first connecting portion of the driving end and institute The second connecting portion for stating handle is rotatablely connected by moment of torsion control component, and the moment of torsion control component includes rotating shaft, the first elasticity Part, the first keeper and the second keeper, the rotating shaft connect the first connecting portion and the second connecting portion, the rotating shaft One end connect the first keeper, the other end is detachably connected the second keeper, and first elastic component is sheathed on the rotating shaft, And one end of first elastic component props up first keeper, the other end props up the second connecting portion, and described second is fixed Position part props up the first connecting portion.
  2. 2. torque limit spanner according to claim 1, it is characterised in that second keeper and the shaft thread Coordinate.
  3. 3. torque limit spanner according to claim 1, it is characterised in that the first connecting portion and second connection Anti-skidding component is folded between portion.
  4. 4. torque limit spanner according to claim 3, it is characterised in that the anti-skidding component includes the first double wedge and the Two double wedges, first double wedge are arranged at the first connecting portion, and second double wedge is arranged at the second connecting portion, described First double wedge and second double wedge coordinate, and first double wedge and second double wedge can depart from that in the presence of external force This.
  5. 5. torque limit spanner according to claim 3, it is characterised in that the anti-skidding component is antiskid glue cushion, described The both sides of antiskid glue cushion are respectively held against the first connecting portion and the second connecting portion.
  6. 6. torque limit spanner according to claim 1, it is characterised in that it is recessed that the second connecting portion offers first Groove, first elastic component prop up the bottom of first groove.
  7. 7. torque limit spanner according to claim 1, it is characterised in that it is recessed that the first connecting portion offers second Groove, second keeper are arranged at second groove.
  8. 8. torque limit spanner according to claim 1, it is characterised in that first elastic component includes spring or elasticity Cushion rubber.
  9. 9. torque limit spanner according to claim 1, it is characterised in that it is recessed that the first connecting portion is provided with the 3rd Groove, the second connecting portion are internally provided with the second elastic component and limited block, and one end of second elastic component props up described The inwall of second connecting portion, the other end prop up the limited block, and the limited block is resisted against the inwall of the 3rd groove, described Limited block can depart from the 3rd groove in the presence of external force.
  10. A kind of 10. torque limit spanner, it is characterised in that including driving end and handle, the first connecting portion of the driving end and The second connecting portion of the handle is rotatablely connected by moment of torsion control component, and the moment of torsion control component includes rotating shaft, the first bullet Property part, the first keeper and the second keeper, the rotating shaft connects the first connecting portion and the second connecting portion, described turn One end of axle connects the first keeper, and the other end is detachably connected the second keeper, and first elastic component is sheathed on described turn Axle, and one end of first elastic component props up first keeper, the other end props up the second connecting portion, the spanner Head is provided with the adjusting nut for adjusting the driving end openings of sizes.
CN201720491453.8U 2017-05-04 2017-05-04 Torque limit spanner Active CN206663092U (en)

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Application Number Priority Date Filing Date Title
CN201720491453.8U CN206663092U (en) 2017-05-04 2017-05-04 Torque limit spanner

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CN206663092U true CN206663092U (en) 2017-11-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110631478A (en) * 2019-09-10 2019-12-31 杭州魔方智能科技有限公司 Cable sheath structure size measuring device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110631478A (en) * 2019-09-10 2019-12-31 杭州魔方智能科技有限公司 Cable sheath structure size measuring device
CN110631478B (en) * 2019-09-10 2021-01-08 杭州魔方智能科技有限公司 Cable sheath structure size measuring device

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