CN105522508A - Quick-separation type spanner structure - Google Patents
Quick-separation type spanner structure Download PDFInfo
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- CN105522508A CN105522508A CN201410561687.6A CN201410561687A CN105522508A CN 105522508 A CN105522508 A CN 105522508A CN 201410561687 A CN201410561687 A CN 201410561687A CN 105522508 A CN105522508 A CN 105522508A
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- accommodation space
- fast
- plug portion
- spanner
- bottom plug
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Abstract
The invention provides a quick-separation type spanner structure. The quick-separation type spanner structure comprises a spanner head part and a pressing part, wherein the spanner head part is provided with a hollow operation accommodating space, and a top end portion is arranged on the upper side of the spanner head part; the pressing part is provided with a top pressing portion and a bottom plugging portion, the bottom plugging portion is embedded into the operation accommodating space, the top pressing portion is located above the top end portion, and the bottom edge of the bottom plugging portion abuts against the bottom end of the top end portion in a limited mode, so that the bottom plugging portion is prevented from being separated out of the operation accommodating space; accordingly, the spanner structure has the effect that a workpiece to be rotated can be quickly separated from a spanner, and thus high convenience and safety of separation operation are achieved. Moreover, the separation operation of the spanner and the workpiece to be rotated also has the effect that the pressing part can be automatically reset, so that subsequent operation on the workpiece to be rotated is facilitated, and practicability and product added value of the spanner are positively improved.
Description
Technical field
The present invention has about a kind of spanner structure, refers to that one can make spanner depart from fast and treat lathe turner's part after fortification operation terminates especially, and has the fast de-formula spanner structure of splendid operation ease.
Background technology
Spanner is a kind of instrument conventional on workpiece consolidation operation, such as, be used for turning tight, turning the various positioning workpieces such as loose screw rod or nut, and spanner is of a great variety, comprises open-end wrench, combined type spanner, double offset ring spanner, monkey wrench and box spanner etc.Existing spanner structure as shown in Figure 1, this spanner 90 includes a Wrench head 91, it has an accommodation space 92, the outer shroud position of this accommodation space 92 is also provided with rotating mechanism 93, the internal face appropriate location of this rotating mechanism 93 is provided with a slotted eye, a spring (not shown) and supporting member 931 is provided with in this slotted eye, this supporting member 931 can as a steel ball, its elasticity by this spring is supported and protrudes in this operation accommodation space 92, this accommodation space 92 waits for lathe turner's part 94 in order to accommodating nut (or screw rod), with this, this accommodation space 92 is treated that lathe turner's part 94 contacts and is agreed with, this treats that lathe turner's part 94 has a positioning ring groove 941, this is when lathe turner's part 94 is inserted in this operation accommodation space 92, supporting member 931 on this rotating mechanism 93 inwardly protrudes out and is just embeddingly butted on this positioning ring groove 941, lathe turner's part 94 is treated in order to locate this.When this spanner 90 carries out the operation of rotation force, in order to prevent this from treating this accommodation space 92 of lathe turner's part 94 slippage, and reach and turn tight, turn the object that pine treats lathe turner's part 94.Though existing spanner structure technology can turn tight by this spanner 90 rotation process to reach, turn the labor-saving effect that pine treats lathe turner's part 94, but still have its disappearance to exist, such as: when this spanner 90 is after turn operation terminates, when this being treated that lathe turner's part 94 exits in the accommodation space 92 of this spanner 90, suitable tightness is agreed with because this treats that lathe turner's part 94 and accommodation space 92 have, often above this accommodation space 92, this need be treated that lathe turner's part 94 pushes out with finger, side must be separated this and treat lathe turner's part 94 and spanner 90, suitable effort and inconvenient in operation, do not meet the demand of operation ease, aobvious nonideal design.Therefore, it departs from the disappearance treating the inconvenience of lathe turner's part (or screw rod) effort how to solve existing spanner, the important topic that should be industry or have the scholar of intelligence should solve, overcome.
Edge this, the present inventor is because its disengaging of existing spanner is treated lathe turner's part (nut or screw rod) operational shortcoming and structural design thereof do not attain the desirable fact, namely inventor sets about researching and developing its solution, wish to develop and a kind ofly have more operation ease, security and swiftness fast de-formula spanner structure, with service society masses and the development promoting this industry, satisfy the design when many and have generation of the present invention.
Summary of the invention
The object of the present invention is to provide the fast de-formula spanner structure of one, it can have the effect departing from spanner fast and treat lathe turner's part (nut or screw rod etc.) by forming setting easily, and then reaches disengaging operation above splendid convenience and security.
Another object of the present invention is to provide a kind of fast de-formula spanner structure, its can make spanner with treat the disengaging of lathe turner's part operate there is pressing piece automatically reply effect, with facility follow-up treat that lathe turner's thing operates, and then actively promote the surcharge of its practicality and product.
The present invention comprises for the adopted technological means that achieves the above object: a Wrench head, and it has the operation accommodation space of a hollow, and the top of this Wrench head has a top ends; One pressing piece, it has a top splenium and bottom plug portion, and this bottom plug portion is embedded in this operation accommodation space, and makes this top splenium be positioned at above this top ends, this bottom plug portion root edge resists and is limited in this top ends bottom, prevents this bottom plug portion from detaching this operation accommodation space.
Aforementioned formation, wherein this operation accommodation space perisporium turn face by cambered surface, curved surface or face directly combine and form.
Aforementioned formation, wherein this top ends to center this operation accommodation space directional ring to having protruded out a top protuberance, this top protuberance formed inside contract above this operation accommodation space one support annular space.
Aforementioned formation, wherein this pressing piece has a centre gangway space.
Aforementioned formation, wherein this bottom plug portion root edge is provided with a positioning ring groove, and this positioning ring groove is embedded with one and supports ring.
Aforementioned formation, it includes further: a spine move part, this spine move part arranges and is positioned in this operation accommodation space, this spine move part is the hollow ring gear body of tool operating space, this spine move part has the ring gear portion in outside and the turn face of inner side, this turn face is provided with a slotted eye, is provided with a spring and supporting member in this slotted eye; One reversing switch, it is located at a pivot groove at this position, Wrench head rear end, this spine move part of this reversing switch interlock;
One supports ring, and it is located in this operation accommodation space, and below the ring gear portion being sheathed on this spine move part, in order to support this spine move part; One spacer, it is embedded at the capel groove below this operation accommodation space, in order to support the location termination supporting this support ring and arrange as this operation accommodation space inner member.
Aforementioned formation, it includes an elastic component further, and this elastic component is between this top ends and this top splenium.
Aforementioned formation, wherein this elastic component has one of central part and wears mouth, and this elastic component is provided with at least one in order to provide the convex ascending part of pressing back stretch.
Aforementioned formation, wherein this bottom plug portion root edge is provided with the location snap fit of a ring-type or ring-type Boulez.
Aforementioned formation, wherein this bottom plug portion is provided with multiple longitudinal slot, and this slot is in running through this bottom plug portion of cutting and this location snap fit downwards.
Aforementioned formation, it includes a pressing fastener further, and this pressing fastener is provided with top one connecting piece and below one supporter, and this connecting piece and this bottom plug portion are connected with group, and this supporter is resisted against the bottom of this top protuberance or this top ends.
Aforementioned formation, wherein this connecting piece and this bottom plug portion connect with buckle or screw connection manner group.
Hereby for making clear effect set forth technical characteristic of the present invention and reach, careful assistant is with preferred embodiment figure and coordinate detailed description, illustrates as rear:
Accompanying drawing explanation
Fig. 1 is existing spanner structure schematic diagram;
Fig. 2 is the schematic perspective view of first embodiment of the invention;
Fig. 3 is the decomposing schematic representation of first embodiment of the invention;
Fig. 4 is the operation cross-sectional schematic one of first embodiment of the invention;
Fig. 4 a is the operation cross-sectional schematic two of first embodiment of the invention;
Fig. 5 is that first embodiment of the invention Another Application illustrates intention;
Fig. 6 is the operation cross-sectional schematic one of first embodiment of the invention Another Application example;
Fig. 6 a is the operation cross-sectional schematic two of first embodiment of the invention Another Application example;
Fig. 7 is the decomposing schematic representation of second embodiment of the invention;
Fig. 8 is the decomposing schematic representation of third embodiment of the invention;
Fig. 9 is the decomposing schematic representation of fourth embodiment of the invention.
Description of reference numerals: 10 take off spanner soon; 11 Wrench heads; 110 operation accommodation spaces; 111 pivot grooves; 12 spanner shanks; 13 capel grooves; 14 top ends; 141 top protuberances; 142 support annular space; 15 reversing switches; 151 pulling pieces; 20 spine move parts; 21 operating spaces; 211 turn faces; 22 ring gear portions; 23 slotted eyes; 24 supporting members; 25 springs; 30 support ring; 40 spacers; 41 perforation; 50 pressing pieces; 501 centre gangway spaces; 51 top spleniums; 52 bottom plug portions; 521 positioning ring grooves; 53 support ring; 60 elastic components; 601 wear mouth; 602 convex ascending parts; 100 sleeves/treat lathe turner's part; 101 sleeve head; 102 positioning ring grooves; 103 cover receiving parts; 200 screw rods; 201 spiral shell heads; 522 location snap fits; 54 slots; 55 pressing fasteners; 551 connecting pieces; 552 supporters.
Detailed description of the invention
Be below embodiment, but content of the present invention is not limited to the scope of these embodiments.
Refer to Fig. 2,3, for the present invention's de-formula spanner structure first embodiment soon, this takes off spanner 10 soon and includes: a Wrench head 11 and spanner shank 12, this Wrench head 11 has the operation accommodation space 110 of a hollow, the turn face of this operation accommodation space 110 perisporium or the institute such as can be faced directly and combines and form by cambered surface, curved surface, but not by being limit, separately in this operation accommodation space 110, (as root edge position) is provided with a capel groove 13; The top of this Wrench head 11 has a top ends 14, this top ends 14 to center this operation accommodation space 110 directional ring to having protruded out a top protuberance 141, what this top protuberance 141 being formed inside contracted above this operation accommodation space 110 one supports annular space 142, should support annular space 142 spacing as supporting above this operation accommodation space 110.And this top ends 14 can be the area part that this Wrench head 11 top one is formed, namely this Wrench head 11 one extension is formed with this top protuberance 141 and supports annular space 142.
The present invention soon de-formula spanner structure first embodiment includes a pressing piece 50 further, this pressing piece 50 is slightly in a ring-type cock body, this pressing piece 50 has top splenium 51, the bottom plug portion 52 of a centre gangway space 501 and this centre gangway space 501 chow ring, this bottom plug portion 52 root edge is provided with a positioning ring groove 521, and this positioning ring groove 521 supports ring 53 in order to be embedded one.See also Fig. 4, when this pressing piece 50 combines, this bottom plug portion 52 is inserted in this operation accommodation space 110 from supporting annular space 142, and this is embedded at this positioning ring groove 521 to ring 53, this top splenium 51 is made to be positioned at this top protuberance 141 (top ends 14) top, this bottom plug portion 52 then this positioning ring groove 521 of mat resistance is limited in this top protuberance 141 (top ends 14) bottom, prevents this bottom plug portion 52 (pressing piece 50) from upwards detaching.
When this pressing piece 50 is combined on this fast de-spanner 10, can this pressing piece 50 of mat pressing operation and press down the sleeve that is positioned at this operation accommodation space 110/treat lathe turner's part 100, make this sleeve/treat that lathe turner's part 100 is able to fast, exit this operation accommodation space 110 expediently, and then be separated this sleeve/treat lathe turner's part 100 and fast de-spanner 10.Because this centre gangway space 501 is for run through for protruding out of positioning workpieces (as screw rod etc.), in suitable embodiment, this pressing piece 50 also can not have the setting in this centre gangway space 501, namely at least this top splenium 51 (or comprising bottom plug portion 52) can be the real face body in not this centre gangway space 501 of tool, makes the pressing operation being more conducive to this pressing piece 50.
Moreover, as shown in the figure, the present embodiment is described with the formation being applied to ratchet spanner, therefore include further: a spine move part 20, it is the hollow ring gear body of tool operating space 21, it has ring gear portion 22 and the turn face 211 of inner side in outside, and this turn face 211 by cambered surface, curved surface or can face single kenel directly or two or more any combination is formed, but not by being limit; This spine move part 20 arranges and is positioned in the operation accommodation space 110 of this Wrench head 11, the appropriate location in this turn face 211 is provided with a slotted eye 23, a spring 25 and supporting member 24 is provided with in it, this supporting member 24 can as a steel ball, and its elasticity by this spring 25 is supported and protrudes in this operation accommodation space 110.Moreover, contiguous this spanner shank 12 place (i.e. the position, rear end of Wrench head 11) of this Wrench head 11 is provided with a pivot groove 111, it is provided with a reversing switch 15, and it is provided with the pulling piece 151 that top one facility is stirred, and this reversing switch 15 is in order to this spine move part 20 of interlock; One supports ring 30, and it is located in this operation accommodation space 110, and below the ring gear portion 22 being sheathed on this spine move part 20, in order to support this spine move part 20; One spacer 40, can be a C shape ring, it be embedded at the capel groove 13 below this operation accommodation space 110, in order to support the location termination supporting this support ring 30 and arrange as this operation accommodation space 110 inner member; This spacer 40 liang of ring ends are respectively equipped with a perforation 41, in order to convenient its location and displacement operation.
See also Fig. 2,4 and 4a, when the present invention takes off the operation of formula spanner structure soon, operation accommodation space 110 of this fast de-spanner 10 is inserted in the sleeve head 101 of a sleeve/treat lathe turner's part 100, this sleeve head 101 has a positioning ring groove 102, when this sleeve head 101 inserts this operation accommodation space 110, to take advantage of a situation this pressing piece 50 of jacking, and the supporting member 24 that inwardly protrudes out of this spine move part 20 is just embedding is butted on this positioning ring groove 102, in order to locate this sleeve head 101.When this soon de-spanner 10 this sleeve/can carry out screwing operation to a screw rod 200 (positioning workpieces) after lathe turner's part 100 is set, by this sleeve/treat that the cover receiving part 103 of lathe turner's part 100 is placed on this screw rod 200 and carries out screwing operation.
And after screwing operation terminates, push the top splenium 51 of this pressing piece 50, and the bottom plug portion 52 of this pressing piece 50 is continued promote the sleeve head 101 of this sleeve 100, the positioning ring groove 102 of this sleeve head 101 is made to depart from the state resisted by this supporting member 24, namely the bulldozing operation of this pressing piece 50 of mat makes this sleeve head 101 (sleeve/treat lathe turner's part 100) displacement one a distance (as shown in fig. 4 a), so, this sleeve head 101 (sleeve/treat lathe turner's part 100) is under the state not by resistance location, can drop out voluntarily according to gravity, it departs from operation quite rapid, convenient.
See also Fig. 5,6 and 6a, in order to the present invention's de-formula spanner structure Another Application state to be soon described, its difference is: this takes off spanner 10 soon and directly carries out screwing operation to a screw rod 200 (treating lathe turner's part/positioning workpieces), and the spiral shell head 201 by this screw rod 200 is inserted this and taken off soon in operation accommodation space 110 of spanner 10.After screwing operation terminates, the top splenium 51 of this pressing piece 50 of same pushing, the bottom plug portion 52 of this pressing piece 50 is continued and promotes the spiral shell head 201 of this screw rod 200, and relatively make this Wrench head 11 oppositely exit, make this soon de-spanner 10 remove or reduce it and agree with tightness with screw rod 200, can make easily this soon de-spanner 10 depart from taking-up.
Refer to Fig. 7, for the present invention's de-formula spanner structure second embodiment soon, its architecture basics based on the first embodiment is converted setting, its difference is: it includes an elastic component 60 further, this elastic component 60 can as a spring leaf or other formation aspects, this elastic component 60 has one of central part and wears mouth 601, and this elastic component 60 suitable position be provided with at least one convex ascending part 602, this convex ascending part 602 can provide the back stretch of pressing.This elastic component 60 is located at the top protuberance 141 (top ends 14) upper (according to graphic direction) of this Wrench head 11, or this elastic component 60 is located at this top splenium 51 (pressing piece 50) below, this elastic component 60 is made to be positioned between the top protuberance 141 (top ends 14) of this Wrench head 11 and the top splenium 51 of this pressing piece 50, namely when this top splenium 51 (pressing piece 50) carries out the pressing operation treating lathe turner's part (or positioning workpieces), this elastic component 60 will be extruded by this pressing piece 50, when removing the pressing operation of this pressing piece 50, the elastic force that this elastic component 60 produces is by this pressing piece 50 of jacking, this pressing piece 50 is made to reply original location status, in order to the pressing operation of next time.
Refer to Fig. 8, for the present invention's de-formula spanner structure the 3rd embodiment soon, its architecture basics based on the first embodiment is converted setting, its difference is: bottom plug portion 52 root edge of this pressing piece 50 is provided with the location snap fit 522 of a ring-type or ring-type Boulez, and this location snap fit 522 is in order to replace this positioning ring groove 521, setting to ring 53; Moreover, this bottom plug portion 52 is provided with the slot 54 in multiple longitudinal direction (direction, parallel center channel space 501), the plurality of slot 54 runs through this bottom plug portion 52 of cutting and location snap fit 522 in downward (as direction as shown), make this bottom plug portion 52 and the be periphery combination of location snap fit 522 in multiple separation.When the combination of this pressing piece 50 is inserted in this operation accommodation space 110, this location snap fit 522 of mat resists and is limited in this top protuberance 141 bottom, prevent this bottom plug portion 52 (pressing piece 50) from upwards detaching, and the urgent elastic force that this slot 54 of mat produces, make this pressing piece 50 not easily loosen, rock, have and preferably use texture.
Refer to Fig. 9, for the present invention's de-formula spanner structure the 4th embodiment soon, its architecture basics based on the first embodiment is converted setting, its difference is: the bottom of this pressing piece 50 is linked with a pressing fastener 55, this pressing fastener 55 comprises and is provided with top one connecting piece 551 and below one supporter 552, during its combination, this pressing fastener 55 enters in this operation accommodation space 110 from below, and this connecting piece of mat 551 and this bottom plug portion 52 are connected with group and integral, and make this supporter 552 be resisted against this top protuberance 141 (top ends 14) bottom, prevent this bottom plug portion 52 (pressing piece 50) from upwards detaching.This pressing fastener 55 of the present embodiment mat replaces its positioning ring groove 521 in Fig. 3, setting to ring 53.Moreover in preferably embodiment, this connecting piece 551 and the group in this bottom plug portion 52 connect can impose buckle further or be spirally connected and wait concretion technology, make steadiness of its combination of reinforcement.
Edge is, de-formula spanner structure is by aforementioned formation soon in the present invention, and it can have the effect departing from spanner fast and treat lathe turner's part (nut or screw rod etc.), and then reaches the upper splendid convenience of disengaging operation and security; And the present invention also can make spanner with treat the disengaging of lathe turner's part (nut or screw rod etc.) operate there is pressing piece automatically reply effect, with facility follow-up treat that lathe turner's thing operate, and then the surcharge of positive its practicality of lifting and product.
In sum, the present invention indeed meets the important document of patent of invention, and whence proposes patent application in accordance with the law.But as described above, be only present pre-ferred embodiments, not be used for limiting scope of the invention process, therefore the equalization of such as doing according to shape, structure, feature and the spirit described in the present patent application the scope of the claims changes and modifies, and all should be included in claim of the present invention.
Claims (12)
1. a fast de-formula spanner structure, is characterized in that it comprises:
One Wrench head, it has the operation accommodation space of a hollow, and the top of this Wrench head has a top ends;
One pressing piece, it has a top splenium and bottom plug portion, and this bottom plug portion is embedded in this operation accommodation space, and makes this top splenium be positioned at above this top ends, this bottom plug portion root edge resists and is limited in this top ends bottom, prevents this bottom plug portion from detaching this operation accommodation space.
2. formula spanner structure as claimed in claim 1 fast de-, wherein the turn face of this operation accommodation space perisporium is made up of cambered surface, curved surface or the single kenel faced directly or two or more any combination.
3. formula spanner structure as claimed in claim 1 fast de-, wherein this top ends to center this operation accommodation space directional ring to having protruded out a top protuberance, this top protuberance formed inside contract above this operation accommodation space one support annular space.
4. fast de-formula spanner structure as claimed in claim 1, wherein this pressing piece has a centre gangway space.
5. fast de-formula spanner structure as claimed in claim 1, wherein this bottom plug portion root edge is provided with a positioning ring groove, and this positioning ring groove is embedded with one and supports ring.
6. fast de-formula spanner structure as claimed in claim 5, it includes further:
One spine move part, its setting is positioned in this operation accommodation space, and this spine move part is the hollow ring gear body of tool operating space, and this spine move part has the ring gear portion in outside and the turn face of inner side, and this turn face is provided with a slotted eye, is provided with a spring and supporting member in this slotted eye;
One reversing switch, it is located at a pivot groove at this position, Wrench head rear end, this spine move part of this reversing switch interlock;
One supports ring, and it is located in this operation accommodation space, and below the ring gear portion being sheathed on this spine move part, in order to support this spine move part;
One spacer, it is embedded at the capel groove below this operation accommodation space, in order to support the location termination supporting this support ring and arrange as this operation accommodation space inner member.
7. fast de-formula spanner structure as claimed in claim 1, it includes an elastic component further, and this elastic component is between this top ends and this top splenium.
8. formula spanner structure as claimed in claim 7 fast de-, wherein this elastic component has one of central part and wears mouth, and this elastic component is provided with at least one in order to provide the convex ascending part of pressing back stretch.
9. fast de-formula spanner structure as claimed in claim 1, wherein this bottom plug portion root edge is provided with the location snap fit of a ring-type or ring-type Boulez.
10. fast de-formula spanner structure as claimed in claim 9, wherein this bottom plug portion is provided with multiple longitudinal slot, and this slot is in running through this bottom plug portion of cutting and this location snap fit downwards.
11. fast de-formula spanner structures as claimed in claim 1, it includes a pressing fastener further, this pressing fastener is provided with top one connecting piece and below one supporter, and this connecting piece and this bottom plug portion are connected with group, and this supporter is resisted against the bottom of this top protuberance or this top ends.
12. fast de-formula spanner structures as claimed in claim 11, wherein the group in this chaining part and this bottom plug portion connects with buckle or is spirally connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410561687.6A CN105522508A (en) | 2014-10-21 | 2014-10-21 | Quick-separation type spanner structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410561687.6A CN105522508A (en) | 2014-10-21 | 2014-10-21 | Quick-separation type spanner structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105522508A true CN105522508A (en) | 2016-04-27 |
Family
ID=55765210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410561687.6A Pending CN105522508A (en) | 2014-10-21 | 2014-10-21 | Quick-separation type spanner structure |
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| Country | Link |
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| CN (1) | CN105522508A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI624332B (en) * | 2017-04-07 | 2018-05-21 | Zhou ya qin | Wrench snap fixing structure |
| CN109421006A (en) * | 2017-08-29 | 2019-03-05 | 豪越股份有限公司 | The ratchet spanner of replaceable attachment head |
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|---|---|---|---|---|
| CN2113860U (en) * | 1992-02-13 | 1992-08-26 | 陈国雄 | Socket ratchet handle ball engaging and disengaging gear |
| CN2536355Y (en) * | 2002-02-21 | 2003-02-19 | 邱文明 | Improved circle jacks |
| CN200981210Y (en) * | 2006-11-03 | 2007-11-28 | 林琮淂 | Fast switching hand-held tool structure |
| DE202009002062U1 (en) * | 2008-04-14 | 2009-09-03 | Su, Cheng-Wei | Torque Socket |
| DE202013104245U1 (en) * | 2013-09-17 | 2013-11-18 | Sung Chieh Industry Corporation | Wrench for a screwdriver head |
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2014
- 2014-10-21 CN CN201410561687.6A patent/CN105522508A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2113860U (en) * | 1992-02-13 | 1992-08-26 | 陈国雄 | Socket ratchet handle ball engaging and disengaging gear |
| CN2536355Y (en) * | 2002-02-21 | 2003-02-19 | 邱文明 | Improved circle jacks |
| CN200981210Y (en) * | 2006-11-03 | 2007-11-28 | 林琮淂 | Fast switching hand-held tool structure |
| DE202009002062U1 (en) * | 2008-04-14 | 2009-09-03 | Su, Cheng-Wei | Torque Socket |
| DE202013104245U1 (en) * | 2013-09-17 | 2013-11-18 | Sung Chieh Industry Corporation | Wrench for a screwdriver head |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI624332B (en) * | 2017-04-07 | 2018-05-21 | Zhou ya qin | Wrench snap fixing structure |
| CN109421006A (en) * | 2017-08-29 | 2019-03-05 | 豪越股份有限公司 | The ratchet spanner of replaceable attachment head |
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Application publication date: 20160427 |
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