CN106141974A - A kind of hexagon socket head cap screw securing member - Google Patents
A kind of hexagon socket head cap screw securing member Download PDFInfo
- Publication number
- CN106141974A CN106141974A CN201610644127.6A CN201610644127A CN106141974A CN 106141974 A CN106141974 A CN 106141974A CN 201610644127 A CN201610644127 A CN 201610644127A CN 106141974 A CN106141974 A CN 106141974A
- Authority
- CN
- China
- Prior art keywords
- hexagon
- head cap
- socket head
- cap screw
- gear
- 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.)
- Granted
Links
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
- B25B17/00—Hand-driven gear-operated wrenches or screwdrivers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Retarders (AREA)
Abstract
The invention discloses a kind of hexagon socket head cap screw securing member, solve hexagon socket head cap screw the dismounting low and unhandy problem of efficiency, the technical scheme solving this problem mainly includes the turncap for operation and hexagon prism, the hexagonal groove of hexagon prism insertion hexagon socket head cap screw is interior and drives hexagon socket head cap screw to rotate, also include ring gear, sun gear and the planetary gear all engaged with ring gear and sun gear, ring gear is located on turncap, sun gear is rotationally connected with on turncap, sun gear removably connects with hexagon prism, ring gear drives sun gear rotation to make hexagon prism rotate by planetary gear.The present invention is the most easy to operate and applied widely.
Description
Technical field
The present invention relates to a kind of hexagon socket head cap screw securing member.
Background technology
The installation of hexagon socket head cap screw typically uses inner hexagon spanner, traditional inner hexagon spanner to include handle and company with dismounting
The size of joint, handle and union joint is identical and the most integrally manufactured, and union joint inserts during use the hexagonal of hexagon socket head cap screw
In groove, being rotated further by handle fastening hex(agonal)screw, when narrow space around followed closely by hex(agonal)screw, spanner cannot stretch into, even if
Can extend into and also cannot tighten hexagon socket head cap screw because rotatable handle is limited, or, spanner cannot be inserted perpendicularly into the six of hex(agonal)screw
In the groove of angle, the union joint of crooked placement is easily destroyed the cell wall of hexagonal groove, and final hex(agonal)screw is downright bad and cannot dismantle, with
Time, need to select the inner hexagon spanner of different size, operator to go out operation for the hexagon socket head cap screw of different model every time
Need to carry the inner hexagon spanner of all specifications, increase the burden of operator.
For solving the problems referred to above, prior art provides a kind of spanner to expand union joint, including the first pullover shackle member, second
Pullover shackle member, sleeve connection head, push rod, spring, rise pearl and nut；First pullover shackle member, the second pullover shackle member and set
Cylinder union joint is from top to bottom sequentially connected with and is formed integrally, and push rod from top to bottom sequentially passes through the first pullover shackle member, the second set
Head shackle member and sleeve connection head and can in the first pullover shackle member, the second pullover shackle member and sleeve connection head on downslide
Dynamic, nut is arranged on the upper end of push rod, and spring housing is connected on the push rod between the first pullover shackle member and nut, and pearl of rising can be
In manhole, level is slided.In such scheme, ratchet spanner can be connected with the Hexagonal jacket of different length and regulates ratchet spanner
Distance to hex(agonal)screw head, it is adaptable to install the occasion that hex(agonal)screw is limited, but in limited space, spanner is being tightened
During cannot 360 ° of rotations, operator needs constantly to adjust the direction of spanner so that it is rotate within the specific limits, whole tightens
Process wastes time and energy.
Summary of the invention
The purpose that the present invention is to be reached just is to provide a kind of hexagon socket head cap screw securing member, and described securing member improves spanner peace
The efficiency of assembly and disassembly.
In order to achieve the above object, the present invention adopts the following technical scheme that a kind of hexagon socket head cap screw securing member, including for
The turncap of operation and hexagon prism, the hexagonal groove of hexagon prism insertion hexagon socket head cap screw is interior and drives hexagon socket head cap screw to rotate, also
Including ring gear, sun gear and the planetary gear all engaged with ring gear and sun gear, ring gear is located on turncap, sun gear
Being rotationally connected with on turncap, sun gear removably connects with hexagon prism, and ring gear drives sun gear to rotate by planetary gear and makes
Hexagon prism rotates.
Further, described turncap includes that operating portion, operating portion deviate from the side of hexagon prism and be provided with the first mounting groove, interior
Gear ring is located on the cell wall of the first mounting groove.
Further, described operating portion is six prism structures, and operating portion is provided with the groove lid coordinated with the first mounting groove, institute
The medial surface stating groove lid is provided with planet carrier, and planet carrier is connected with planetary gear.
Further, described sun gear is provided with gear shaft, and the diapire of described first mounting groove is provided with groove, and gear shaft is worn
Crossing groove to be connected with hexagon prism, be provided with bearing in groove, gear shaft is rotationally connected with turncap by bearing.
Further, described gear shaft is provided with rectangular column, and hexagon prism is provided with rectangular channel, and rectangular column inserts in rectangular channel
And drive hexagon prism to rotate.
Further, described hexagon prism is provided with the connection post being coaxially disposed with hexagon prism, and rectangular channel is located on connection post.
Further, described operating portion is provided with, towards the side of hexagon prism, the wall extension extended to hexagon prism direction, described
Wall extension forms the second mounting groove, connects in post stretches into the second mounting groove and makes rectangular column insert in rectangular channel.
Further, described connection post is provided with locking pin, and the cell wall of the second mounting groove is provided with locking groove, locking pin
Connection post is made to be fixed on wall extension in inserting locking groove.
Further, described connection post being additionally provided with button, button is provided with the support being connected with locking pin, described support
It is connected to connect on post by back-moving spring.
Further, being provided with placement back-moving spring and the cavity of support in described connection post, the cavity wall of cavity is provided with the
One through hole and the second through hole, locking pin inserts in locking groove through the first through hole, and button is exposed to connect post through the second through hole
Outside.
After using technique scheme, present invention have the advantage that
1, on the one hand, turncap removably connects with hexagon prism, it is simple to change different length and radial dimension of hexagon prism,
It is applicable not only to hex(agonal)screw and limited occasion is installed, and facilitate the hexagon socket head cap screw of whole securing member operation different model,
Improve the versatility of securing member, meanwhile, turncap detachably also allows for both sorting placements with hexagon prism and carries, and improves
Carry the space availability ratio in space；On the other hand, ring gear is fixed on turncap, and sun gear is connected on hexagon prism, rotates
Turncap drives ring gear to rotate, and the ring gear of rotation drives sun gear to rotate by planetary gear so that hexagon prism rotates, real
Existing hexagon prism tightens hexagon socket head cap screw, and ring gear engages with planetary gear, and planetary gear engages with sun gear, ring gear and sun gear
Linear velocity is equal, then the angular velocity of sun gear is more than the angular velocity of ring gear, therefore turncap has only to rotate less angle i.e.
The rotation of hexagon prism larger angle can be realized, improve the operating efficiency of securing member installation and removal hex(agonal)screw, be suitable for meanwhile
Occasion in spanner limited in rotation, it is simple to the spanner dismounting to hex(agonal)screw.
2, spanner is placed on outside operating portion and clamping operating portion rotates so that cap is rotated, and operating position spanner provides and is subject to
Force, it is simple to wrench operated, the installation being set to ring gear, planetary gear and sun gear of the first peace turn trough provides space, it is ensured that
The precision of gear engagement.
3, groove lid closes the first mounting groove, it is ensured that gear operates in the environment closed, the beneficially lubrication of gear, it is ensured that tooth
The service life of wheel and transport, planet carrier is rotationally connected with groove lid, provides for planetary gear and supports, it is ensured that planetary gear and sun gear
And the centre-to-centre spacing inconvenience between ring gear.
4, sun gear realizes being rotationally connected of sun gear and turncap by gear shaft, it is ensured that the central axis of sun gear exists
Invariant position on turncap, makes gear drive process more steady, and gear shaft is connected through groove with hexagon prism, it is achieved the sun
Wheel and the transmission of hexagon prism.
5, rectangular channel and the cooperation of rectangular column, it is achieved gear shaft and the synchronous axial system of hexagon prism, it is ensured that transmission ratio, thus carry
The dismounting efficiency of high whole securing member.
Accompanying drawing explanation
The invention will be further described below in conjunction with the accompanying drawings:
Fig. 1 is the structure chart of hexagon socket head cap screw securing member in embodiment one；
Fig. 2 is the sectional view of turncap in embodiment one；
Fig. 3 is the structure chart of hexagon prism in embodiment one；
Fig. 4 is the sectional view of hexagon prism in embodiment one.
Description of reference numerals:
1, turncap；11, operating portion；12, the first mounting groove；13, groove lid；14, planet carrier；15, wall extension；16, second
Mounting groove；17, groove；18, locking groove；19, rectangular column；2, hexagon prism；3, ring gear；4, sun gear；5, planetary gear；6, even
Connect post；61, rectangular channel；7, locking pin；8, button；9, support；91, back-moving spring；10, cavity.
Detailed description of the invention
The present invention provides a kind of hexagon socket head cap screw securing member, as illustrated in figs. 1 and 2, including turncap 1 and hexagon prism 2, rotation
Turning cap 1 cap 1 is rotated in the binding groove stretch into spanner to rotate, hexagon prism 2 inserts in the hexagonal groove of hexagon socket head cap screw
Drive hexagon socket head cap screw rotates, and also includes ring gear 3, sun gear 4 and the planetary gear all engaged with ring gear 3 and sun gear 4
5, ring gear 3 is located on turncap 1, and sun gear 4 is rotationally connected with on turncap 1, and sun gear 4 removably connects with hexagon prism 2,
Ring gear 3 drives sun gear 4 rotation to make hexagon prism 2 rotate by planetary gear 5.On the one hand, turncap 1 is detachable with hexagon prism 2
Connect, it is simple to change different length and radial dimension of hexagon prism 2, be applicable not only to hexagon socket head cap screw and limited occasion is installed,
And facilitate the hexagon socket head cap screw of whole securing member dismounting different model, improve the versatility of securing member, meanwhile, turncap 1
With detachably the also allowing for both sorting placements and carry of hexagon prism 2, improve the space availability ratio of parking space；On the other hand,
Ring gear 3 is fixed on turncap 1, and sun gear 4 is connected on hexagon prism 2, rotates turncap 1 and drives ring gear 3 to rotate, rotates
Ring gear 3 drive sun gear 4 to rotate so that hexagon prism 2 rotates by planetary gear 5, it is achieved hexagon prism 2 tightens interior hexagonal spiral shell
Silk, ring gear 3 engages with planetary gear 5, and planetary gear 5 engages with sun gear 4, and ring gear 3 is equal with the linear velocity of sun gear 4, too
The angular velocity of sun wheel 4 is more than the angular velocity of ring gear 3, therefore turncap 1 has only to rotate less angle can realize hexagon prism 2
The rotation of larger angle, improves the operating efficiency of securing member installation and removal hexagon socket head cap screw, simultaneously, it is adaptable to spanner rotates
Limited occasion, it is simple to spanner dismounting hexagon socket head cap screw.
Turncap 1 includes that operating portion 11, operating portion 11 are six prism structures, it is simple to spanner is enclosed within the outside of turncap 1 also
Clamping turncap 1, the upper surface of operating portion 11 is provided with the first mounting groove 12, and ring gear 3 is located on the cell wall of the first mounting groove 12,
Ring gear the 3, first mounting groove 12 and operating portion 11 are coaxially disposed, it is simple to wrench operated, improve spanner and are tightening and loose unloading screw
Time retention efficiency, the upper surface of operating portion 11 is additionally provided with the groove lid 13 coordinated with the first mounting groove 12, groove lid 13 and the first peace
The cell wall of tankage 12 is threaded, it is achieved the closing of the first mounting groove 12, it is ensured that the lubrication between gear is good, and groove lid 13 sets
Have a planet carrier 14, specifically he, groove lid 13 is short cylindrical structure, groove lid 13 towards the side of the first mounting groove 12 at central axis
Being provided with fixing lug boss, planet carrier 14 is rotationally connected with fixing lug boss, makes planetary gear 5 around center axis thereof.First mounting groove 12
Diapire at central axis, be provided with groove 17, sun gear 4 is provided with gear shaft, and gear shaft stretches out operating portion 11 through groove 17
And be connected with hexagon prism 2, it being provided with bearing in groove 17, gear shaft is rotationally connected with the diapire of the first mounting groove 12 by bearing,
Improve the rotational stability of sun gear 4, it is to avoid rocking around central shaft of hexagon prism 2.Operating portion 11 sets towards the side of hexagon prism 2
The wall extension 15 that oriented hexagon prism 2 direction extends, wall extension 15 forms the second mounting groove 16, described second mounting groove 16 and groove
17 are coaxially disposed, and the sidewall of the second mounting groove 16 is provided with locking groove 18, and the setting of the second mounting groove 16 increases hexagon prism 2
Contact area with turncap 1, it is ensured that both axialities, also improves hexagon prism 2 and the turncap 1 bonding strength in junction
And stability.
In conjunction with Fig. 3 and Fig. 4, hexagon prism 2 is provided with the connection post 6 being coaxially disposed with hexagon prism 2, connects post 6 towards turncap 1
Side be provided with rectangular channel 61, stretch out the gear shaft of groove 17 and be provided with rectangular column 19, connect post 6 and stretch in the second mounting groove 16
Making rectangular column 19 insert in rectangular channel 61, rectangular column 19 coordinates drive hexagon prism 2 to rotate with rectangular channel 61, rectangular column 19 and rectangle
The setting of groove 61 avoids gear shaft to relatively rotate with hexagon prism 2, improves the transmission ratio between sun gear 4 and hexagon prism 2.Even
Connect and be additionally provided with locking pin 7 and button 8 on post 6, locking pin 7 is positioned at the top of button 8, and button 8 is provided with and is connected with locking pin 7
Support 9, makes button 8 and locking pin 7 connect as one being synchronized with the movement of realization, be additionally provided with in connecting post 6 placement support 9 and
The cavity 10 connected with rectangular channel 61, is hidden in connection post 6 internal by support 9, improves aesthetics and the reliability of securing member, empty
The cavity wall in chamber 10 is provided with the first through hole and the second through hole, and locking pin 7 inserts in locking groove 18 through the first through hole, it is achieved even
Connecing the fixing of post 6 and wall extension 15, button 8 is exposed to connect the outside of post 6 through the second through hole, it is simple to operator's Manual press
Button 8, is additionally provided with back-moving spring 91 in cavity 10, one end of back-moving spring 91 is connected with support 9, the chamber of the other end and cavity 10
Wall connects, and back-moving spring 91 provides restoring force for support 9, it is ensured that button 8 and locking pin 7 return back in situ, make after operation
Connect post 6 to be connected with wall extension 15.
When operator install hexagon prism 2 to turncap 1, pressing button 8 drives locking pin 7 to move to central axial direction
Dynamic, now connection post 6 is stretched in the second mounting groove 16, operator discharge button 8 again, and support 9 is at the work of back-moving spring 91
Move to the direction away from central axis with lower, make locking pin 7 insert in locking groove 18, complete to connect post 6 and wall extension 15
Fixing；When operator dismantle hexagon prism 2 and turncap 1, pressing button 8 drives support 9 to move to central axial direction,
Thus driving locking pin 7 to depart from from locking groove 18, it is achieved wall extension 15 separates with connecting post 6, and this kind removably connects
The installation and removal of mode are convenient, and highly reliable.
In an embodiment, to upper and lower description, to define with reference to Fig. 2, being arranged above under upper and lower is in Fig. 2, example
If operating position is in the top of wall extension, sun gear is positioned at the lower section of groove lid.
" central axis " refers to the rotation centerline of sun gear.
In addition to above preferred embodiment, the present invention also has other embodiment, and those skilled in the art can be according to this
Invention is variously modified and deforms, and without departing from the spirit of the present invention, all should belong in claims of the present invention and be determined
The scope of justice.
Claims (10)
1. a hexagon socket head cap screw securing member, including the turncap for operating and hexagon prism, hexagon prism inserts hexagon socket head cap screw
Hexagonal groove in and drive hexagon socket head cap screw to rotate, it is characterised in that: also include ring gear, sun gear and with ring gear and
The planetary gear that sun gear all engages, ring gear is located on turncap, and sun gear is rotationally connected with on turncap, sun gear and hexagonal
Post removably connects, and ring gear drives sun gear rotation to make hexagon prism rotate by planetary gear.
Hexagon socket head cap screw securing member the most according to claim 1, it is characterised in that: described turncap includes operating portion, behaviour
The side deviating from hexagon prism as portion is provided with the first mounting groove, and ring gear is located on the cell wall of the first mounting groove.
Hexagon socket head cap screw securing member the most according to claim 2, it is characterised in that: described operating portion is six prism structures,
Operating portion is provided with the groove lid coordinated with the first mounting groove, and the medial surface of described groove lid is provided with planet carrier, planet carrier and planetary gear
Connect.
4. according to the hexagon socket head cap screw securing member described in Claims 2 or 3, it is characterised in that: described sun gear is provided with gear
Axle, the diapire of described first mounting groove is provided with groove, and gear shaft is connected through groove with hexagon prism, is provided with bearing, tooth in groove
Wheel shaft is rotationally connected with turncap by bearing.
Hexagon socket head cap screw securing member the most according to claim 4, it is characterised in that: described gear shaft is provided with rectangular column,
Hexagon prism is provided with rectangular channel, and rectangular column inserts in rectangular channel and drives hexagon prism to rotate.
Hexagon socket head cap screw securing member the most according to claim 5, it is characterised in that: described hexagon prism is provided with and hexagon prism
The connection post being coaxially disposed, rectangular channel is located on connection post.
Hexagon socket head cap screw securing member the most according to claim 6, it is characterised in that: described operating portion is towards the side of hexagon prism
Face is provided with the wall extension extended to hexagon prism direction, and described wall extension forms the second mounting groove, connects post and stretches into the second mounting groove
Rectangular column is inside made to insert in rectangular channel.
Hexagon socket head cap screw securing member the most according to claim 7, it is characterised in that: described connection post is provided with locking pin,
The cell wall of the second mounting groove is provided with locking groove, and locking pin makes connection post be fixed on wall extension in inserting locking groove.
Hexagon socket head cap screw securing member the most according to claim 8, it is characterised in that: it is additionally provided with button on described connection post,
Button is provided with the support being connected with locking pin, and described support is connected to connect on post by back-moving spring.
Hexagon socket head cap screw securing member the most according to claim 9, it is characterised in that: it is provided with placement in described connection post multiple
Position spring and the cavity of support, the cavity wall of cavity is provided with the first through hole and the second through hole, and locking pin inserts through the first through hole
In locking groove, button is exposed to connect the outside of post through the second through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610644127.6A CN106141974B (en) | 2016-08-05 | 2016-08-05 | A kind of hexagon socket head cap screw fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610644127.6A CN106141974B (en) | 2016-08-05 | 2016-08-05 | A kind of hexagon socket head cap screw fastener |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106141974A true CN106141974A (en) | 2016-11-23 |
| CN106141974B CN106141974B (en) | 2018-10-23 |
Family
ID=57329257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610644127.6A Active CN106141974B (en) | 2016-08-05 | 2016-08-05 | A kind of hexagon socket head cap screw fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106141974B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1213378A (en) * | 1967-11-02 | 1970-11-25 | Paul-Heinz Wagner | An improved wrench |
| CN202212911U (en) * | 2011-07-27 | 2012-05-09 | 戴佩裕 | Multi-purpose inner hexagon screwdriver |
| CN102744701A (en) * | 2012-02-10 | 2012-10-24 | 湖南吉利汽车部件有限公司 | Tool bit of combined electric screw driver |
| CN202656113U (en) * | 2012-04-11 | 2013-01-09 | 浙江金刚汽车有限公司 | Nut disassembly and assembly device on rotating shaft |
| CN103522244A (en) * | 2013-09-25 | 2014-01-22 | 苏州市胜能弹簧五金制品有限公司 | Socket head wrench extending tool |
| CN204299965U (en) * | 2014-11-04 | 2015-04-29 | 珠海格力电器股份有限公司 | Upright post connection structure and electric fan |
| CN205310136U (en) * | 2015-12-12 | 2016-06-15 | 张玲聪 | Laborsaving screwdriver with higher speed |
| CN205904930U (en) * | 2016-08-05 | 2017-01-25 | 国网浙江省电力公司湖州供电公司 | Interior hexagonal screw fastener |
-
2016
- 2016-08-05 CN CN201610644127.6A patent/CN106141974B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1213378A (en) * | 1967-11-02 | 1970-11-25 | Paul-Heinz Wagner | An improved wrench |
| CN202212911U (en) * | 2011-07-27 | 2012-05-09 | 戴佩裕 | Multi-purpose inner hexagon screwdriver |
| CN102744701A (en) * | 2012-02-10 | 2012-10-24 | 湖南吉利汽车部件有限公司 | Tool bit of combined electric screw driver |
| CN202656113U (en) * | 2012-04-11 | 2013-01-09 | 浙江金刚汽车有限公司 | Nut disassembly and assembly device on rotating shaft |
| CN103522244A (en) * | 2013-09-25 | 2014-01-22 | 苏州市胜能弹簧五金制品有限公司 | Socket head wrench extending tool |
| CN204299965U (en) * | 2014-11-04 | 2015-04-29 | 珠海格力电器股份有限公司 | Upright post connection structure and electric fan |
| CN205310136U (en) * | 2015-12-12 | 2016-06-15 | 张玲聪 | Laborsaving screwdriver with higher speed |
| CN205904930U (en) * | 2016-08-05 | 2017-01-25 | 国网浙江省电力公司湖州供电公司 | Interior hexagonal screw fastener |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106141974B (en) | 2018-10-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207983230U (en) | A kind of shared sleeve of screw bolt and nut | |
| CN201717439U (en) | Sealing nut for connection of solar battery cables | |
| CN105538206B (en) | It is a kind of for outer-hexagonal bolt, the combination wrench of nut | |
| CN205989171U (en) | A kind of stud erecting device | |
| CN103770056B (en) | A kind of ratchet spanner | |
| CN108942794A (en) | A kind of quick synchronous dismantling device of automobile wheel hub bolt | |
| CN206154192U (en) | Multifunctional wrench | |
| CN105598913B (en) | Stud release type gun head | |
| CN201382063Y (en) | Fastening blot | |
| CN107891393A (en) | A kind of nut spanner for being used to dismount cylinder head nut | |
| CN101875190B (en) | Wrench for linearly screwing bolt in small space | |
| CN106141974A (en) | A kind of hexagon socket head cap screw securing member | |
| CN205904930U (en) | Interior hexagonal screw fastener | |
| CN103707228B (en) | A kind of Multifunctional die tap wrench | |
| CN208880584U (en) | The sleeve assembly and fastener screwing device screwed for fastener | |
| CN207344464U (en) | It is a kind of that there is the detachable hardware allen wrench for extending handle | |
| CN102528706A (en) | A fixed and movable two-purpose wrench with small torsion | |
| CN203887762U (en) | Ratchet type simple socket spanner | |
| CN208997174U (en) | A kind of integrated oscillating bearing unit of dismounting | |
| CN201288749Y (en) | Rapid bolt pair | |
| CN108119482B (en) | A kind of secured tire bolt | |
| CN207344467U (en) | A kind of detachable double holding rod hardware allen wrenches | |
| CN104959942A (en) | Nut dismounting and mounting tool | |
| CN109702679A (en) | The application method of ratchet spanner exchanging structure | |
| CN204871454U (en) | Power output system of minibike |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |