CN102101276A - Reciprocating type opening wrench with anti-fall function - Google Patents
Reciprocating type opening wrench with anti-fall function Download PDFInfo
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- CN102101276A CN102101276A CN2009102595114A CN200910259511A CN102101276A CN 102101276 A CN102101276 A CN 102101276A CN 2009102595114 A CN2009102595114 A CN 2009102595114A CN 200910259511 A CN200910259511 A CN 200910259511A CN 102101276 A CN102101276 A CN 102101276A
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Abstract
The invention relates to a reciprocating type opening wrench with an anti-fall function, which comprises a handle part, a head part and an anti-fall piece, wherein the head part is arranged at one end of the handle and provided with a first jaw chuck, a second jaw chuck and an extension section; the second jaw chuck and the extension section enclose to form a drive space; the first jaw chuck is provided with a first jacking surface and a first jaw chuck tip; the second jaw chuck is provided with a second jacking surface, and the horizontal space between the first jacking surface and the second jacking surface is s; the anti-fall piece is arranged at the first jaw chuck tip and extends towards the drive space to form a clamping end capable of moving or swinging between a first position and a second position; when the clamping end is at the first position, the horizontal space between the clamping end and the second jacking surface is smaller than s; and when the clamping end is at the second position, the horizontal space between the clamping end and the second jacking surface is not smaller than s. The opening wrench can prevent a screw cap from falling off in a wrenching process.
Description
Technical field
The utility model relates to a kind of open-end wrench, particularly a kind of reciprocating type open-end wrench that can prevent that nut from deviating from.
Background technology
Existing reciprocating type open-end wrench mainly has two jaws and in order to switching one nut forward, and allows this nut idle running reset when reverse, to quicken user's operation.
But when this reciprocating type open-end wrench of user's switching, this nut regular meeting opening between two jaws is deviate from, and not only causes operating process to have some setbacks, and also allows the user injured accidentally easily.
Summary of the invention
The objective of the invention is to improve the deficiencies in the prior art, provide a kind of and can in the switching process, prevent the reciprocating type open-end wrench that nut is deviate from.
For achieving the above object, the present invention is by the following technical solutions:
A kind of tool prevents deviating from the reciprocating type open-end wrench of function, and it comprises:
One shank;
One head, it is located at this shank one end, this head has one first jaw, one second jaw and one extends the extension between this two jaws bottom, structure is enclosed in this two jaw and this extension has one to drive the space, ccontaining in it for a hexagonal (hexagon)nut, this driving space has an opening away from described extension, this first jaw has first support surface near the extension, the surface of revolution of one recess and one first jaw tip, the junction of this first support surface and this extension forms one and replaces the angle, corner for this hexagonal (hexagon)nut is ccontaining, this surface of revolution is between this first support surface and the first jaw tip, this second jaw has one second support surface, this first jaw tip has a short plane towards second jaw, this is first years old, the level interval of second support surface is s, and the level interval of this weak point plane and second support surface is not less than s;
One anticreep spare is located at the first jaw tip of first jaw, and this anticreep spare is extended with a thrust end towards this driving space, and this thrust end can move between a primary importance and a second place;
Wherein, when this thrust end was positioned at primary importance, greater than 0.58s, and the level interval of this thrust end distance second support surface was less than s apart from this vertical interval of replacing the angle for this thrust end;
Wherein, when this thrust end was positioned at the second place, this thrust end was not less than s apart from the level interval of this second support surface.
Described anticreep spare is hubbed at this first jaw tip, and this anticreep spare more is extended with an abutment end, and the first jaw tip of this first jaw is provided with an abutment face, and when described thrust end was positioned at primary importance, described abutment end was resisted against this abutment face.
Described first jaw offers a chute from this first jaw tip towards the direction away from this opening, and described anticreep spare has a slide block that is slidedly arranged in this chute.
Described thrust end more is movable to one the 3rd position, and when this thrust end was positioned at the 3rd position, the level interval of this described second support surface of thrust end distance was not less than 1.16s.
It comprises that more one is reset to the elastic component of its primary importance in order to push against described thrust end.
Described first jaw has more a slide bar, and this slide bar is optionally to stretch into this driving space, replaces for this hexagonal (hexagon)nut.
Described first support surface has more the tooth engaged of at least one hexagonal (hexagon)nut in order to interlock corner wearing and tearing.
A kind of tool prevents deviating from the reciprocating type open-end wrench of function, it is characterized in that it comprises:
One shank;
One head, be located at this shank one end, this head has one first jaw, one second jaw and extend extension between this two jaws bottom, structure is enclosed in this two jaw and this extension has one to drive the space, ccontaining in it for a hexagonal (hexagon)nut, this driving space has an opening away from this extension, this first jaw has first support surface near the extension, the surface of revolution of one recess and one first jaw tip, this extension has an extreme lower position, for a corner of this hexagonal (hexagon)nut against, this surface of revolution is between this first support surface and the first jaw tip, this second jaw has one second support surface, this first jaw tip has a short plane towards second jaw, and this is first years old, the level interval of second support surface is s, and the level interval of this weak point plane and second support surface is not less than s;
One anticreep spare is located at the first jaw tip of first jaw, and this anticreep spare is extended with a thrust end towards described driving space, and this thrust end can move between a primary importance and a second place;
Wherein, when this thrust end was positioned at primary importance, greater than 0.87s, and the level interval of this thrust end distance second support surface was less than s apart from the vertical interval of this extension extreme lower position for this thrust end;
Wherein, when this thrust end was positioned at the second place, this thrust end was not less than s apart from the level interval of this second support surface.
Described anticreep spare is hubbed at this first jaw tip, and this anticreep spare more is extended with an abutment end, and the first jaw tip of this first jaw is provided with an abutment face, and when described thrust end was positioned at primary importance, described abutment end was resisted against this abutment face.
Described first jaw offers a chute from this first jaw tip towards the direction away from this opening, and described anticreep spare has a slide block that is slidedly arranged in this chute.
Described thrust end more is movable to one the 3rd position, and when this thrust end was positioned at the 3rd position, this thrust end was not less than 1.16s apart from the level interval of this second support surface.
It comprises that more one is reset to the elastic component of its primary importance in order to push against described thrust end.
Described first jaw has more a slide bar, and this slide bar is optionally to stretch into this driving space, replaces for this hexagonal (hexagon)nut.
Described first support surface has more the tooth engaged of at least one hexagonal (hexagon)nut in order to interlock corner wearing and tearing.
Beneficial effect of the present invention is: can prevent in the switching process that nut from deviating from.
The invention will be further described below by accompanying drawing.
Description of drawings
Fig. 1 is the exploded view of first embodiment of the invention.
Fig. 2 is the constitutional diagram of first embodiment of the invention.
Fig. 3 is the schematic diagram that the first embodiment of the invention thrust end is positioned at the second place.
Fig. 4 is the schematic diagram that the first embodiment of the invention thrust end is positioned at primary importance.
Fig. 5 is that the first embodiment of the invention thrust end prevents the schematic diagram that hexagonal (hexagon)nut is deviate from.
Fig. 5 A is the schematic diagram of another embodiment of the present invention.
Fig. 5 B is the schematic diagram of yet another embodiment of the invention.
Fig. 5 C is the part enlarged drawing of Fig. 5 B.
Fig. 6 is the schematic diagram that the second embodiment of the invention thrust end is positioned at primary importance.
Fig. 7 is the schematic diagram that the second embodiment of the invention thrust end is positioned at the second place.
Fig. 8 is the schematic diagram that the second embodiment of the invention thrust end is positioned at the 3rd position.
Fig. 9 is the schematic diagram that the third embodiment of the invention thrust end is positioned at primary importance.
Figure 10 is the schematic diagram that the third embodiment of the invention thrust end is positioned at the second place.
[primary clustering label declaration]
5: hexagonal (hexagon)nut 219: short flat to
10: 22: the second jaws of shank
20: 221: the second support surfaces of head
Jaw 23 in 21: the first: the extension
The support surface 231 in 211: the first: extreme lower position
211 ': main support surface 24: drive the space
211 ": secondary support surface 241: opening
211 " ': tooth engaged 25: chute
212: the surface of revolution 26: slide bar
213: the first jaw tips 30: anticreep spare
214: replace angle 31: thrust end
215: support arm 32: abutment end
216: profile groove 33: slide block
217: abutment face 35: axial region
218: hold hole 40: elastic component
The specific embodiment
Below will the effect that architectural feature of the present invention, operation principle and expection thereof are reached be described, but be not category, chat bright in advance in order to the desire protection of restriction institute of the present invention by several preferred embodiments.
Please refer to Fig. 1 to Fig. 4.In the first embodiment of the present invention, this reciprocating type open-end wrench comprises a shank 10, a head 20, an anticreep spare 30 and an elastic component 40.
This shank 10 is to grip for the user, be provided with this head 20 in these shank 10 at least one ends, this head 20 has one first jaw 21, one second jaw 22 and extends extension 23 between this two jaws bottom, structure is enclosed in this two jaw and this extension 23 has one to drive space 24, ccontaining in it for a hexagonal (hexagon)nut 5.This driving space 24 has an opening 241 away from this extension 23, this first jaw 21 has first support surface 211 near extension 23, the surface of revolution 212 and the one first jaw tip 213 of a recess, angle 214 is replaced with the junction formation one of this extension 23 in this first support surface 211, this is replaced angle 214 preferablies and is 120 degree angles, corner for this hexagonal (hexagon)nut 5 is ccontaining, this extension 23 also has an extreme lower position 231, for another corner of this hexagonal (hexagon)nut 5 against.In the present embodiment, this first jaw tip 213 comprises a pair of support arm 215, and this is to forming a profile groove 216 between the support arm 215, and these profile groove 216 bottom surfaces then are an abutment face 217, more offer one in this first jaw tip 213 and hold hole 218.Moreover, this surface of revolution 212 is between this first support surface 211 and the first jaw tip 213, and this surface of revolution 212 preferablies are cancave cambered surfaces, wherein this first jaw tip 213 has more a short plane 219 towards second support surface 221, this second jaw 22 has one second support surface 221, this is first years old, second support surface 211,221 level interval is s, the level interval of this weak point plane 219 and second support surface 221 is not less than s, and the maximum horizontal spacing preferably of this surface of revolution 212 distances second support surface 221 should be not less than 1.16s, and wherein this hexagonal (hexagon)nut 5 then is slightly less than s to the length of side.
Thus, this hexagonal (hexagon)nut 5 can enter this driving space 24 from opening 241, and when this open-end wrench forward during switching, this hexagonal (hexagon)nut 5 can be subjected to first, second support surface 211,221 clampings and be driven, and when the reverse switching of this open-end wrench, one corner of this hexagonal (hexagon)nut 5 can make these hexagonal (hexagon)nut 5 idle running reset along 212 revolutions of this surface of revolution, thereby can allow user's this hexagonal (hexagon)nut 5 of switching forward continuously fast.
This anticreep spare 30 is first jaw tips 213 of being located at first jaw 21.In the present embodiment, this anticreep spare 30 is to be hubbed between two support arms 215 at this first jaw tip 213, and can be the most advanced and sophisticated 213 pivots pendulum of relative first jaw in axle center with this axial region 35.This anticreep spare 30 is extended with a thrust end 31 towards this driving space 24, and this anticreep spare 30 more is extended with an abutment end 32.This thrust end 31 can move between a primary importance and a second place, and when this thrust end 31 was positioned at primary importance, this abutment end 32 was unidirectional this abutment faces 217 that are resisted against, and makes this thrust end 31 can't continue outside pivot.
This elastic component 40 is arranged in this appearance hole 218, is reset to its primary importance in order to push against this thrust end 31.
As shown in Figure 3, when this hexagonal (hexagon)nut 5 enters when driving space 24 from opening, this hexagonal (hexagon)nut 5 can compress this anticreep spare 30, make its thrust end 31 pivots pendulum to its second place, this moment, this thrust end 31 was not less than s apart from the level interval of this second support surface 221, make hexagonal (hexagon)nut 5 can enter this driving space 24 smoothly, this thrust end 31 was subjected to replacing of elastic component 40 again again and returned back to its primary importance this moment, promptly as shown in Figure 4, this moment, this thrust end 31 was a bit larger tham 0.58s apart from this vertical interval of replacing angle 214, this thrust end 31 is a bit larger tham 0.87s apart from the vertical interval of these extension 23 extreme lower positions 231, and the level interval of this thrust end 31 distances second support surface 221 is less than s.
And as shown in Figure 5, when forward pulling this hexagonal (hexagon)nut 5, this hexagonal (hexagon)nut 5 idols have the trend of deviating from towards opening 241 directions, because the level interval of this thrust end 31 distances second support surface 221 is less than s, and because this abutment end 32 is resisted against this abutment face 217, so this hexagonal (hexagon)nut 5 can can't be deviate from by thrust end 31 blocks.However, when pulling this reciprocating type open-end wrench, a corner of this hexagonal (hexagon)nut 5 can be pushed to its second place from its primary importance with this thrust end 31, so this hexagonal (hexagon)nut 5 still can reset in reverse idle running when reverse.
In other embodiments of the invention, this extension 23 can form the concave arc section shown in Fig. 5 A, and is formed with the first plane support surface 211 between this extension 23 and the surface of revolution 212; And as Fig. 5 B, 5C institute in, near the surface of revolution 212 places, then be formed with at least one tooth engaged 211 in these 211 tops, first support surface " ', for the hexagonal (hexagon)nut of interlock corner wearing and tearing.
Please refer to Fig. 6 to Fig. 8.In the second embodiment of the present invention, this first jaw 21 offers a chute 25 from this first jaw most advanced and sophisticated 213 towards the direction away from opening 241, this anticreep spare 30 then has a slide block 33 that is slidedly arranged in this chute, 40 of this elastic components are arranged in this chute 25 and replace this slide block 33, so that this thrust end 31 can be along the bearing of trend slippage of this chute 25 and is to and from first, second position, promptly as Fig. 6, shown in Figure 7.What deserves to be mentioned is that when this thrust end 31 was positioned at primary importance, this slide block 33 just was positioned at a top of this chute 25, make this thrust end 31 can not continue outside slippage.Wherein, in order to make hexagonal (hexagon)nut 5 reverse idle running, this thrust end 31 is slip to the 3rd position more, promptly as shown in Figure 8, when this thrust end 31 is positioned at the 3rd position, this thrust end 31 for being not less than 1.16s, makes this hexagonal (hexagon)nut 5 idle running reset so that enough spaces to be provided apart from the level interval preferably of this second support surface 221.
Please refer to Fig. 9 and Figure 10.In the third embodiment of the present invention, this first jaw 21 has more a slide bar 26, this slide bar 26 optionally stretches into this driving space 24, replaces for this hexagonal (hexagon)nut 5, thereby can make this reciprocating type open-end wrench forward switching hexagonal (hexagon)nut, reverse this hexagonal (hexagon)nut idle running relatively.More particularly, in the present embodiment, first support surface 211 of this first jaw 21 comprises that one is located at the main support surface 211 ' of this first jaw 21 and is located at secondary support surface 211 on this slide bar 26 "; and when this slide bar 26 convexedly stretches in this driving space 24, this major and minor support surface 211 ', 211 " be concordant shape.
As from the foregoing, the present invention is by being provided with an anticreep spare, make it between first, second position (or the 3rd position), move, one can make hexagonal (hexagon)nut enter the driving space does not hinder, come to avoid hexagonal (hexagon)nut to deviate from towards this opening direction again from this driving space, with the operating efficiency that promotes this type of reciprocating type open-end wrench with and safety in utilization.
Claims (14)
1. a tool prevents deviating from the reciprocating type open-end wrench of function, it is characterized in that it comprises:
One shank;
One head, it is located at this shank one end, this head has one first jaw, one second jaw and one extends the extension between this two jaws bottom, structure is enclosed in this two jaw and this extension has one to drive the space, ccontaining in it for a hexagonal (hexagon)nut, this driving space has an opening away from described extension, this first jaw has first support surface near the extension, the surface of revolution of one recess and one first jaw tip, the junction of this first support surface and this extension forms one and replaces the angle, corner for this hexagonal (hexagon)nut is ccontaining, this surface of revolution is between this first support surface and the first jaw tip, this second jaw has one second support surface, this first jaw tip has a short plane towards second jaw, this is first years old, the level interval of second support surface is s, and the level interval of this weak point plane and second support surface is not less than s;
One anticreep spare is located at the first jaw tip of first jaw, and this anticreep spare is extended with a thrust end towards this driving space, and this thrust end can move between a primary importance and a second place;
Wherein, when this thrust end was positioned at primary importance, greater than 0.58s, and the level interval of this thrust end distance second support surface was less than s apart from this vertical interval of replacing the angle for this thrust end;
Wherein, when this thrust end was positioned at the second place, this thrust end was not less than s apart from the level interval of this second support surface.
2. tool as claimed in claim 1 prevents deviating from the reciprocating type open-end wrench of function, it is characterized in that, described anticreep spare is hubbed at this first jaw tip, this anticreep spare more is extended with an abutment end, the first jaw tip of this first jaw is provided with an abutment face, when described thrust end was positioned at primary importance, described abutment end was resisted against this abutment face.
3. tool as claimed in claim 1 prevents deviating from the reciprocating type open-end wrench of function, it is characterized in that, described first jaw offers a chute from this first jaw tip towards the direction away from this opening, and described anticreep spare has a slide block that is slidedly arranged in this chute.
4. tool as claimed in claim 3 prevents deviating from the reciprocating type open-end wrench of function, it is characterized in that, described thrust end more is movable to one the 3rd position, and when this thrust end was positioned at the 3rd position, the level interval of this described second support surface of thrust end distance was not less than 1.16s.
5. prevent deviating from the reciprocating type open-end wrench of function as each described tool in the claim 1 to 4, it is characterized in that, it comprises that more one is reset to the elastic component of its primary importance in order to push against described thrust end.
6. tool as claimed in claim 1 prevents deviating from the reciprocating type open-end wrench of function, it is characterized in that, described first jaw has more a slide bar, and this slide bar is optionally to stretch into this driving space, replaces for this hexagonal (hexagon)nut.
7. tool as claimed in claim 1 prevents deviating from the reciprocating type open-end wrench of function, it is characterized in that, described first support surface has more the tooth engaged of at least one hexagonal (hexagon)nut in order to interlock corner wearing and tearing.
8. a tool prevents deviating from the reciprocating type open-end wrench of function, it is characterized in that it comprises:
One shank;
One head, be located at this shank one end, this head has one first jaw, one second jaw and extend extension between this two jaws bottom, structure is enclosed in this two jaw and this extension has one to drive the space, ccontaining in it for a hexagonal (hexagon)nut, this driving space has an opening away from this extension, this first jaw has first support surface near the extension, the surface of revolution of one recess and one first jaw tip, this extension has an extreme lower position, for a corner of this hexagonal (hexagon)nut against, this surface of revolution is between this first support surface and the first jaw tip, this second jaw has one second support surface, this first jaw tip has a short plane towards second jaw, and this is first years old, the level interval of second support surface is s, and the level interval of this weak point plane and second support surface is not less than s;
One anticreep spare is located at the first jaw tip of first jaw, and this anticreep spare is extended with a thrust end towards described driving space, and this thrust end can move between a primary importance and a second place;
Wherein, when this thrust end was positioned at primary importance, greater than 0.87s, and the level interval of this thrust end distance second support surface was less than s apart from the vertical interval of this extension extreme lower position for this thrust end;
Wherein, when this thrust end was positioned at the second place, this thrust end was not less than s apart from the level interval of this second support surface.
9. tool as claimed in claim 8 prevents deviating from the reciprocating type open-end wrench of function, it is characterized in that, described anticreep spare is hubbed at this first jaw tip, this anticreep spare more is extended with an abutment end, the first jaw tip of this first jaw is provided with an abutment face, when described thrust end was positioned at primary importance, described abutment end was resisted against this abutment face.
10. tool as claimed in claim 8 prevents deviating from the reciprocating type open-end wrench of function, it is characterized in that, described first jaw offers a chute from this first jaw tip towards the direction away from this opening, and described anticreep spare has a slide block that is slidedly arranged in this chute.
11. tool as claimed in claim 10 prevents deviating from the reciprocating type open-end wrench of function, it is characterized in that, described thrust end more is movable to one the 3rd position, and when this thrust end was positioned at the 3rd position, this thrust end was not less than 1.16s apart from the level interval of this second support surface.
12. prevent deviating from the reciprocating type open-end wrench of function, it is characterized in that it comprises that more one is reset to the elastic component of its primary importance in order to push against described thrust end as each described tool in the claim 8 to 11.
13. tool as claimed in claim 8 prevents deviating from the reciprocating type open-end wrench of function, it is characterized in that, described first jaw has more a slide bar, and this slide bar is optionally to stretch into this driving space, replaces for this hexagonal (hexagon)nut.
14. tool as claimed in claim 8 prevents deviating from the reciprocating type open-end wrench of function, it is characterized in that, described first support surface has more the tooth engaged of at least one hexagonal (hexagon)nut in order to interlock corner wearing and tearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102595114A CN102101276B (en) | 2009-12-17 | 2009-12-17 | Reciprocating type opening wrench with anti-fall function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102595114A CN102101276B (en) | 2009-12-17 | 2009-12-17 | Reciprocating type opening wrench with anti-fall function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102101276A true CN102101276A (en) | 2011-06-22 |
| CN102101276B CN102101276B (en) | 2012-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102595114A Expired - Fee Related CN102101276B (en) | 2009-12-17 | 2009-12-17 | Reciprocating type opening wrench with anti-fall function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102101276B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000730A (en) * | 2019-05-06 | 2019-07-12 | 贵州电网有限责任公司 | A kind of Anti-shift spanner |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR591574A (en) * | 1924-11-12 | 1925-07-07 | Improvements to nut wrenches | |
| CN2360222Y (en) * | 1999-03-17 | 2000-01-26 | 王文普 | One-way diagonal wrench |
| CN2524891Y (en) * | 2002-02-21 | 2002-12-11 | 吴传福 | Movable spanners with ratchet spanner function |
| US7188551B2 (en) * | 2002-10-10 | 2007-03-13 | Ock-Soon Choi | Spanner |
| KR200339501Y1 (en) * | 2003-11-07 | 2004-01-28 | 최옥순 | Spanner |
| CN101391407A (en) * | 2007-09-17 | 2009-03-25 | 史丹利七和国际股份有限公司 | Open-end wrench |
| CN101570009A (en) * | 2008-04-30 | 2009-11-04 | 香港商亚洲丹纳赫工具有限公司台湾分公司 | Open fast wrench |
-
2009
- 2009-12-17 CN CN2009102595114A patent/CN102101276B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000730A (en) * | 2019-05-06 | 2019-07-12 | 贵州电网有限责任公司 | A kind of Anti-shift spanner |
| CN110000730B (en) * | 2019-05-06 | 2024-03-01 | 贵州电网有限责任公司 | Anti-slip wrench |
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| Publication number | Publication date |
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| CN102101276B (en) | 2012-11-14 |
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