CN105922178B - Automobile-used quick rotary spanner - Google Patents
Automobile-used quick rotary spanner Download PDFInfo
- Publication number
- CN105922178B CN105922178B CN201610535954.1A CN201610535954A CN105922178B CN 105922178 B CN105922178 B CN 105922178B CN 201610535954 A CN201610535954 A CN 201610535954A CN 105922178 B CN105922178 B CN 105922178B
- Authority
- CN
- China
- Prior art keywords
- rotary
- braking
- outer tube
- screw rod
- hand pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000033001 locomotion Effects 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 238000009987 spinning Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000026683 transduction Effects 0.000 description 1
- 238000010361 transduction Methods 0.000 description 1
Classifications
-
- 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
- B25B13/466—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 an axial direction
-
- 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
- B25B13/467—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member which are gear-operated
-
- 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
- B25B13/468—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member with possibility of locking the ratchet mechanism
-
- 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
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
- B25B21/002—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose for special purposes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The present invention relates to a kind of dismantling device.A kind of automobile-used quick rotary spanner, including wrench body and the driving end for being arranged on wrench body end, described wrench body includes hand pressure outer tube, the inner sleeve that matching is slidably located in hand pressure outer tube and the connector for being fixedly installed on inner sleeve bottom, and guiding rotary components are provided between described hand pressure outer tube and inner sleeve；The axial linear movement of described hand pressure outer tube is converted into the rotary motion of inner sleeve by being oriented to rotary components, and then drives the spinning movement of driving end.The present invention is realized unidirectional revolving force when pushing hand pressure outer tube, can be tightened or unscrew screw by rotary guide sleeve bottom and the cooperation of the rotating ratchet and brake ratchet of braking guide pin bushing bottom；When pulling up hand pressure outer tube, brake ratchet and rotating ratchet quick separating interrupt the transmission of power, coordinate smooth, so as to realize the transmission of unidirectional force.
Description
Technical field
The present invention relates to a kind of dismantling device, and in particular to a kind of automobile-used quick rotary spanner.
Background technology
In the disassembly process of engine, because box house part is excessive and volume is too small, existing spanner is not only grasped
Make inconvenient, easily interfered with periphery miscellaneous part, and removal efficiency is low, and cause to apply because of local interference
Dynamics is small, and tightness is poor, has inconvenience dismounting casing long screw more.Accordingly, it would be desirable to for spanner at this stage from operating space, spy
Improved in terms of the poor universality of instrument processed, so as to solve the problem encountered in practical operation application process.
The content of the invention
For above-mentioned problem and shortage, the present invention provides a kind of reasonable in design, compact, disassembly efficiency is high,
Automobile-used quick rotary spanner small to space requirement and practical.
To solve the above problems, being adopted the technical scheme that：
A kind of automobile-used quick rotary spanner, including wrench body and the driving end for being arranged on wrench body end, it is described
Wrench body includes hand pressure outer tube, the inner sleeve that matching is slidably located in hand pressure outer tube and is fixedly installed on inner sleeve bottom
The connector at end, is provided with guiding rotary components between described hand pressure outer tube and inner sleeve；Described hand pressure outer tube
Axial linear movement is converted into the rotary motion of inner sleeve by being oriented to rotary components, and then drives the spinning movement of driving end.
Described guiding rotary components include braking guide pin bushing, rotary guide sleeve and screw rod, described braking guide pin bushing and inner sleeve
Pipe is fixedly connected, and the spiral internal tooth that engaged transmission is matched with threaded rod is provided with the inner chamber of the rotary guide sleeve, and rotation is led
The rotary ratchet and braking ratchet of matching engaged transmission are provided between set and braking guide pin bushing, described screw rod is with hand pressure overcoat
It is axially moved above and below pipe, and drives rotary guide sleeve, braking guide pin bushing, inner sleeve to rotate.
Described braking ratchet is arranged on the inner chamber bottom of braking guide pin bushing, and the inner chamber top of braking guide pin bushing is fixedly installed system
Dynamic plug sleeve, the braking guide pin bushing inner chamber that described rotary guide sleeve matching is slidably located between braking ratchet and braking plug sleeve
In, described rotary ratchet is arranged on the bottom of rotary guide sleeve, and is engaged with braking ratchet matching.
It is fixedly connected between the upper end of described screw rod and hand pressure outer tube by fastening component, the lower end of screw rod
Portion is provided with lower limit component.
Described fastening component includes being fixedly installed on the upper end cover in hand pressure outer sleeve upper portion, described screw rod with it is upper
End cap is fixedly connected.
Described lower limit component includes being arranged on the lower limit screw rod of screw rod bottom and fixed by locking nut
It is pressed on the spacing shim on lower limit screw rod.
The cavity length of braking guide pin bushing is S between described braking ratchet and braking plug sleeve, and the length of rotary guide sleeve is
L, the height of braking ratchet is H, then S >=L+H.
Described automobile-used quick rotary spanner also includes being provided with the top of impact gun, described hand pressure outer tube to be driven with impact gun
The pneumatic connecting groove of connection, is provided with integral locked assembly between described hand pressure outer tube and inner sleeve.
Described integral locked assembly include be opened in vertically in inner sleeve pipe outer wall at least one locking groove, open up
Locking screw corresponding with locking groove and matching on hand pressure outer tube are arranged on the locking screw rod in locking screw.
The inner end of described locking screw rod is raised hemisphere face structure, and the outer end of locking screw rod, which is provided with, tightens ear
Plate.
Using above-mentioned technical proposal, acquired beneficial effect is：
1. overall construction design of the present invention is compact, by way of changing the transmission of conventional spanner power, passes through screw rod and rotation
Transduction set internal helicoid internal tooth coordinates to drive rotary guide sleeve to rotate, and is rotary motion by linear line conversion of motion, so that
User directly pushes hand pressure outer tube and just can realize Quick fastening screw, greatly reduce the demand to operating space, have
What is imitated solves the parts such as engine or boxlike component of automobile excessively inconvenience or the space of the too small caused dismounting long screw of volume
The limitation of narrow and small interior spanner operation.
2. the present invention is by rotary guide sleeve bottom and the cooperation of the rotating ratchet and brake ratchet of braking guide pin bushing bottom, under
Unidirectional revolving force is realized during pressure hand pressure outer tube, can tighten or unscrew screw；When pull up hand pressure outer tube when, brake ratchet with
Rotating ratchet quick separating, interrupts the transmission of power, coordinates smooth, so as to realize the transmission of unidirectional force.
3. when the pretightning force of nut is larger, and the revolving force of quick rotary spanner be when can not turn on nut, and the present invention passes through
Hand pressure outer tube and inner sleeve are linked into an integrated entity with locking screw rod, tightening or unscrewing for nut, and locking are realized by impact gun
The diverse location that screw rod may be connected on the outside of inner sleeve, so as to set the length worked between impact gun and nut, is substantially increased
Its application.
4. the present invention can match application with the telescopic driving end of different model on the market, so as to realize different model
Bolt and nut dismounting, improve its practicality, be easy to popularize application.
5. of the invention simple in construction, manufacturing cost is low, and overall package is convenient, easy to operate in disassembly process is carried out, and makes
With safety, will not occur slippage and the potential safety hazard such as hurt sb.'s feelings.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is overall cross section structure diagram of the invention.
Fig. 3 is the structural representation for being oriented to rotary components.
Fig. 4 is the fractionation structural representation for being oriented to rotary components.
Fig. 5 is the structural representation of rotary guide sleeve.
Fig. 6 is the structural representation of locking screw rod.
Sequence number in figure：1 it is hand pressure outer tube, 2 be inner sleeve, 3 be connector, 4 be driving end, 5 be braking guide pin bushing, 6 is
Rotary guide sleeve, 7 be screw rod, 8 be braking ratchet, 9 be braking plug sleeve, 10 be rotary ratchet, 11 be spiral internal tooth, 12 be on
End cap, 13 be lower limit pad, 14 be lower limit screw rod, 15 be locking nut, 16 be pneumatic connecting groove, 17 be that locking is recessed
Groove, 18 be locking screw, 19 be locking screw rod, 20 to tighten otic placode.
Embodiment
With reference to specific embodiment and accompanying drawing, the present invention is described in more detail, but the invention is not restricted to these implementations
Example.
Embodiment one：Referring to Fig. 1-Fig. 5, a kind of automobile-used quick rotary spanner of the present invention, including wrench body and be arranged on
The driving end 4 of wrench body end, wrench body include hand pressure outer tube 1, matching be slidably socketed in hand pressure outer tube 1 in
Sleeve pipe 2 and the connector 3 for being fixedly installed on the bottom of inner sleeve 2, are provided with guiding rotation between hand pressure outer tube 1 and inner sleeve 2
Turn component, its driving end 4 can be the telescopic driving end of different size on the market, telescopic driving end match activities card is set
On connector 3.
Wherein, being oriented to rotary components includes braking guide pin bushing 5, rotary guide sleeve 6 and screw rod 7, and described braking guide pin bushing 5 passes through
It is screwed and is set in the top of inner sleeve 2, the inner chamber bottom of braking guide pin bushing 5 is provided with braking ratchet 8, brakes the interior of guide pin bushing 5
Chamber top, which is threadably secured, is provided with braking plug sleeve 9, and the described matching of rotary guide sleeve 6, which is slidably located in, brakes the He of ratchet 8
In the inner chamber for braking the braking guide pin bushing between plug sleeve 9, the bottom of rotary guide sleeve 6 is provided with matches what is engaged with braking ratchet 8
Rotary ratchet 10, in the assembling of revoling tube 6 and brake casing 5, braking guide pin bushing between braking ratchet and braking plug sleeve
Cavity length is S, and the length of rotary guide sleeve is L, and the height of braking ratchet is H, then S >=L+H, so as to ensure outside hand pressure
During sleeve pipe pull-up, it can ensure that braking ratchet and rotary ratchet are efficiently separated.
It is provided with the inner chamber of rotary guide sleeve 6 on the spiral internal tooth 11 that engaged transmission is matched with screw rod 7, screw rod 7
Lower two ends are through braking guide pin bushing 5 and rotary guide sleeve 6；By fastening between the upper end of described screw rod 7 and hand pressure outer tube 1
Component is fixedly connected so that screw rod 7 and the geo-stationary of hand pressure outer tube 1, and can synchronously be moved up and down, and screw rod 7 is not
Action can be rotated, the bottom of screw rod 7 is provided with lower limit component, so as to prevent screw rod from departing from system during pulling up
Dynamic guide pin bushing 5 and rotary guide sleeve 6.
In the present embodiment, it is to be threadably secured the upper end cover for being arranged on the upper end of hand pressure outer tube 1 preferably to fasten component
12, described screw rod 7 is threadably secured with upper end cover 12 to be connected；Lower limit component includes being arranged on the bottom of screw rod 7
Lower limit screw rod 14 and fixed by locking nut 15 and be pressed on spacing shim 13 on lower limit screw rod 14.
The assembling mode of the present embodiment is：
Braking guide pin bushing is fixed on to the upper end of inner sleeve first, locking nut and lower limit pad are fixedly mounted on screw thread
On the lower limit screw rod of bar, by the top of screw rod through braking guide pin bushing, rotary guide sleeve tooth and screw rod are coordinated from screw rod
Top be inserted in screw rod until rotary guide sleeve be placed on braking guide pin bushing inside, will braking plug sleeve be fixed on braking guide pin bushing on, draw
Dynamic screw rod, it is ensured that screw rod can do the movement of small distance between braking plug sleeve and braking ratchet；Secondly by screw rod top
The threaded rod in portion is fixed together with upper end cover, and hand pressure outer tube is covered from bottom to top along inner sleeve and is connected on inner sleeve, and hand
Hand pressure outer tube is fixed together by pressure of shaking hands outer tube by screw thread with end cap on hand；Connector has been fixedly connected with afterwards
And driving end, complete the assembling of automobile-used quick rotary spanner.
The operation principle of the present embodiment is：
In operating process is carried out, automobile-used quick rotary spanner overall package is completed, and cause the driving end of bottom
Corresponding with nuts, while ensureing that hand pressure outer tube and inner sleeve are in extended state, both hands hold the upper end of hand pressure outer tube,
And force is pushed, the spiral internal tooth of screw rod and rotary guide sleeve coordinates, rotation internal tooth transmission moment of torsion, so as to drive rotary guide sleeve to revolve
Turn, the braking ratchet of the rotary ratchet and braking guide pin bushing of rotary guide sleeve is intermeshed, so as to drive braking guide pin bushing rotation, braking is led
Set is fixedly sleeved structure with inner sleeve, therefore inner sleeve, connector, driving end do spinning movement under the drive of braking guide pin bushing,
So as to driving end and bolt, realize tightening or unscrewing for bolt.
During pushing, because rotary guide sleeve can be done above and below small distance between braking plug sleeve and braking ratchet
Mobile, when pushing hand pressure outer tube, the rotary ratchet of rotary guide sleeve matches somebody with somebody to merge with the braking ratchet of braking guide pin bushing is engaged on one
Rise, what completion one was taken turns tightens or unscrew action, hand pressure outer tube reaches maximum displacement；When rotary guide sleeve be in bottom, until
When connector is touched in the bottom of lower limit screw rod, now need to pull up hand pressure outer tube, during pulling up herein, the rotation of rotary guide sleeve
The braking ratchet for turning ratchet and braking guide pin bushing departs from cooperation, and rotary guide sleeve dallies along screw rod, and rotary guide sleeve and braking plug sleeve
Pipe is fitted；Lasting pull-up, because lower limit pad and braking guide pin bushing connect tactile braking, pull-up hand pressure outer tube reaches dominant bit
Move, lower limit pad serves position-limiting action, and prevents screw rod from departing from inside braking guide pin bushing, so far completes an operation and follows
Ring, such as bolt length are longer, repeat multiple operation circulations, complete the dismounting of the bolt.
Embodiment two：Referring to Fig. 1-Fig. 6, the structure and embodiment one of the present embodiment are essentially identical, and something in common is no longer weighed
State, its difference is：When pretightning force is excessive, it is impossible to when being dismounted by hand pressure outer tube, by by hand pressure outer tube
Entirety is carried out with inner sleeve to be fixed as one, and is completed dismounting using impact gun, is wherein being provided with and is driven with impact gun on upper end cover 12
The pneumatic connecting groove 16 of connection, integral locked assembly, integrated lock are provided between described hand pressure outer tube 1 and inner sleeve 2
Gu component include be opened in vertically on the outer wall of inner sleeve 2 at least one locking groove 17, be opened on hand pressure outer tube 1
Locking screw 18 corresponding with locking groove 17 and matching are arranged on the locking screw rod 19 in locking screw, wherein locking screw rod 19
Inner end be raised hemisphere face structure, the outer end of locking screw rod 19, which is provided with, tightens otic placode 20.
The operation principle of the present embodiment is：
When in disassembly process, it is necessary to which passing through impact gun completes dismounting when required pretightning force is excessive, it is necessary first to which operator tightens
Locking screw rod, locking screw rod passes inwardly through the locking screw on hand pressure outer tube bottom, and recessed with the locking of the lateral surface of inner sleeve
Groove contacts with each other extruding, so that hand pressure outer tube and inner sleeve are connected as a single entity, quick rotary spanner now is equivalent to one
Pneumatic connecting groove in individual long sleeve, the drive device and upper end cover of impact gun coordinates transmission, and the driving force of impact gun is by being connected
Hand pressure outer tube and inner sleeve drive to driving end, the rotation of driving end is driven, so as to realize tightening or unscrewing for bolt.When
When carrying out back work without impact gun, operator need to only unclamp locking screw rod so that locking screw rod inner end departs from inner sleeve
The locking groove of lateral surface, until hand pressure outer tube can make linear movement back and forth along inner sleeve.
The invention is not limited in above-mentioned embodiment, those skilled in the art can also make a variety of changes accordingly,
But it is any all to cover within the scope of the claims with equivalent or similar change of the invention.
Claims (7)
1. a kind of automobile-used quick rotary spanner, including wrench body and the driving end for being arranged on wrench body end, its feature exist
In：Described wrench body includes hand pressure outer tube, the inner sleeve that matching is slidably located in hand pressure outer tube and is fixedly installed
Guiding rotary components are provided between the connector of interior casing shoe, described hand pressure outer tube and inner sleeve；Described hand
The axial linear movement of pressure outer tube is converted into the rotary motion of inner sleeve by being oriented to rotary components, and then drives driving end
Spinning movement；
Described guiding rotary components include braking guide pin bushing, rotary guide sleeve and screw rod, and described braking guide pin bushing is consolidated with inner sleeve
Be provided with the spiral internal tooth for match engaged transmission with screw rod in fixed connection, the inner chamber of the rotary guide sleeve, and rotary guide sleeve with
The rotary ratchet and braking ratchet of matching engaged transmission are provided between braking guide pin bushing, described screw rod is with hand pressure outer tube axle
To motion, and rotary guide sleeve, braking guide pin bushing, inner sleeve is driven to rotate；
Described braking ratchet is arranged on the inner chamber bottom of braking guide pin bushing, and the inner chamber top of braking guide pin bushing is fixedly installed stopper
Sleeve pipe, described rotary guide sleeve matching is slidably located in the braking guide pin bushing inner chamber between braking ratchet and braking plug sleeve, institute
The rotary ratchet stated is arranged on the bottom of rotary guide sleeve, and is engaged with braking ratchet matching；
It is fixedly connected between the upper end of described screw rod and hand pressure outer tube by fastening component, the bottom of screw rod is set
It is equipped with lower limit component.
2. automobile-used quick rotary spanner according to claim 1, it is characterised in that：Described fastening component includes fixation and set
The upper end cover in hand pressure outer sleeve upper portion is put, described screw rod is fixedly connected with upper end cover.
3. automobile-used quick rotary spanner according to claim 1, it is characterised in that：Described lower limit component includes setting
The spacing shim being pressed on lower limit screw rod is fixed in the lower limit screw rod of screw rod bottom and by locking nut.
4. automobile-used quick rotary spanner according to claim 1, it is characterised in that：Described braking ratchet and braking plug sleeve
The cavity length that guide pin bushing is braked between pipe is S, and the length of rotary guide sleeve is L, and the height of braking ratchet is H, then S >=L+H.
5. automobile-used quick rotary spanner according to claim 1, it is characterised in that：Described automobile-used quick rotary spanner is also
Including impact gun, it is provided with the top of described hand pressure outer tube outside the pneumatic connecting groove being connected with impact gun, described hand pressure
Integral locked assembly is provided between sleeve pipe and inner sleeve.
6. automobile-used quick rotary spanner according to claim 5, it is characterised in that：Described integral locked assembly includes edge
Axially be opened in inner sleeve pipe outer wall at least one locking groove, be opened in it is on hand pressure outer tube and corresponding with locking groove
Locking screw and matching are arranged on the locking screw rod in locking screw.
7. automobile-used quick rotary spanner according to claim 6, it is characterised in that：The inner end of described locking screw rod is
Raised hemisphere face structure, the outer end of locking screw rod, which is provided with, tightens otic placode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610535954.1A CN105922178B (en) | 2016-07-10 | 2016-07-10 | Automobile-used quick rotary spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610535954.1A CN105922178B (en) | 2016-07-10 | 2016-07-10 | Automobile-used quick rotary spanner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105922178A CN105922178A (en) | 2016-09-07 |
| CN105922178B true CN105922178B (en) | 2017-11-07 |
Family
ID=56827350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610535954.1A Expired - Fee Related CN105922178B (en) | 2016-07-10 | 2016-07-10 | Automobile-used quick rotary spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105922178B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114655096B (en) * | 2020-12-22 | 2023-10-13 | 宁波均胜汽车安全***有限公司 | Ejection device and protection system for vehicle seat armrests |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205817677U (en) * | 2016-07-10 | 2016-12-21 | 浙江农业商贸职业学院 | Automobile-used quick rotary spanner |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5894766A (en) * | 1998-04-10 | 1999-04-20 | Yang; Chung-Jeng | Ratchet screwdriver |
| CN2664855Y (en) * | 2003-12-03 | 2004-12-22 | 毕昌启 | On-vehicle combination tool of mini motor vehicle |
| DE102011088252B4 (en) * | 2011-12-12 | 2013-11-28 | Schünke GmbH | Ratchet attachment for driving screwing tools |
| CN204195625U (en) * | 2014-09-18 | 2015-03-11 | 国家电网公司 | Power equipment operation in narrow space combination Work tool |
| TWI663029B (en) * | 2015-07-27 | 2019-06-21 | 優鋼機械股份有限公司 | Torque wrench for quick switching of torque |
| CN205218951U (en) * | 2015-12-28 | 2016-05-11 | 四川鸿舰重型机械制造有限责任公司 | Formula box spanner is carried to manual pressure |
-
2016
- 2016-07-10 CN CN201610535954.1A patent/CN105922178B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205817677U (en) * | 2016-07-10 | 2016-12-21 | 浙江农业商贸职业学院 | Automobile-used quick rotary spanner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105922178A (en) | 2016-09-07 |
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Granted publication date: 20171107 |