CN101391410A - Open-end wrench - Google Patents
Open-end wrench Download PDFInfo
- Publication number
- CN101391410A CN101391410A CNA2007101541298A CN200710154129A CN101391410A CN 101391410 A CN101391410 A CN 101391410A CN A2007101541298 A CNA2007101541298 A CN A2007101541298A CN 200710154129 A CN200710154129 A CN 200710154129A CN 101391410 A CN101391410 A CN 101391410A
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- jaw
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- open
- jaw portion
- pivot pendulum
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Abstract
The invention relates to an open end wrench which is used to clip a lock fixing part and comprises a handle, an open clipping jaw, a pivot connecting piece, a pivot swinging jaw and an elastic element. The open clipping claw is connected with the handle and is provided with a first jaw and a second jaw, and the pivot connecting piece is fixed on the second jaw. The pivot swinging jaw is pivoted with the second jaw through the pivot connecting piece and can swing between the turning position and the releasing position relatively to the second jaw. While the elastic piece can drive the pivot swinging jaw to constantly keep the swinging trend to the wrench position, and by the pivot swinging jaw swinging relatively to the second jaw, the user can restore the original operating angle without detaching the wrench from the lock fixing part, thereby bringing convenience for the user to operate.
Description
Technical field
The present invention relates to a kind of spanner, particularly relating to a kind of user of allowing does not need that the spanner release lock is fastened part and can return back to the origin operation angle, and the open-end wrench of the person's of being easy to use operation.
Background technology
Have now and be used for being locked, unclamping the hexagonal (hexagon)nut or the open-end wrench of bolt, because spanner has long lever, long lever can produce bigger torsional moment, therefore can effortlessly different workpiece be locked, and, nut can be unclamped or is locked by clockwise or counterclockwise two-way rotary manipulation.
The user is when this open-end wrench of operation, often be subject to less operating space, therefore, after using open-end wrench to pull angle of nut rotation, return back to the origin operation angle after spanner must being broken away from this nut, again reclamp this nut then,, need to be resolved hurrily yet above operation but has following disappearance so that carry out the operation that is locked or unclamps of nut once more:
One, above operation bothers very much, and the user must constantly repeat spanner away from nut, once again with actions such as spanner clamping nuts, yet breaks away from again, the clamping nut not only expends time in again, and operating efficiency is also low.
Two, cause insufficient light if the operating space is minimum, the user can't be by visual with spanner clamping nut exactly, and can only be by the sense of touch of hand with spanner grip bolt again, and is extremely inconvenient in the operation.
This shows that above-mentioned existing open-end wrench obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem of above-mentioned existence, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, this obviously is the problem that the anxious desire of relevant dealer solves.Therefore how to found a kind of open-end wrench of new structure, real one of the current important research and development problem that belongs to, also becoming the current industry utmost point needs improved target.
Because the defective that above-mentioned existing open-end wrench exists, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of founding a kind of open-end wrench of new structure, can improve general existing open-end wrench, make it have more practicality.Through constantly research, design, and, create the present invention who has practical value finally through after studying sample and improvement repeatedly.
Summary of the invention
The objective of the invention is to, overcome the defective that existing open-end wrench exists, and provide a kind of open-end wrench of new structure, technical problem to be solved is to make it provide a kind of not need that the spanner release lock is fastened part and can return back to the origin operation angle, and the open-end wrench that can make things convenient for the user to use is very suitable for practicality.
The object of the invention to solve the technical problems realizes by the following technical solutions.A kind of open-end wrench according to the present invention's proposition, be to be used for part that is locked of clamping, this spanner includes a lever, an opening folder jaw, an articulated part, a pivot pendulum jaw, and an elastic component, this opening folder jaw is to connect this lever, and have one first jaw portion and one second jaw portion, this first jaw portion has one first folder face, reaches one from this first groove that presss from both sides towards sunken inside, and this second jaw portion has a bearing surface; This articulated part is to be fixed in this second jaw portion; This pivot pendulum jaw, be to be articulated in this second jaw portion swingably by this articulated part, and have one towards this first the folder face the second folder face, contact-making surface with this bearing surface butt, borrow every the stationary plane that is provided with this contact-making surface for one, reach one and be positioned at this stationary plane, the pivot joint chute that passes between the contact-making surface and for this articulated part, this is first years old, define an opening between the second folder face, this pivot joint chute has one first end and one second end, this pivot pendulum jaw this second jaw portion is relatively being pulled pivot pendulum between position and the off-position, when this pulls the position, this articulated part is first end that is positioned at this pivot joint chute, the contact-making surface of this pivot pendulum jaw is the bearing surface of this second jaw portion of butt, this be locked part by this first, the second folder face clamping, when this off-position, this articulated part is second end that is positioned at this pivot joint chute, and this contact-making surface is away from this bearing surface; And this elastic component, be between the stationary plane and this second jaw portion of this pivot pendulum jaw, and be used for ordering about the permanent trend that keeps pulling position pivot pendulum of this pivot pendulum jaw towards this.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid open-end wrench, the wherein said second jaw portion also has an installation room that caves inward from this bearing surface, one towards this installed surface of room being installed and being supplied this elastic component pushing tow, and this installation room of connection is to articulating chute and penetrating fixing pivot hole for this articulated part, this pivot pendulum jaw also has a forced section, and articulated section that connects this forced section and be articulated in this installation room, this second folder face, contact-making surface, stationary plane is to be positioned at this forced section, and this contact-making surface, this stationary plane all with the opposing setting of this second folder face, and this pivot joint chute is to be positioned at this articulated section.
Aforesaid open-end wrench, wherein said pivot joint chute are to be the oblong groove of wearing, and this first end and this second end are respectively the opposite end that is positioned at the Long Circle major diameter.
Aforesaid open-end wrench, wherein said elastic component are the compression spring of a pushing tow between this pivot pendulum jaw stationary plane and this second jaw portion installed surface.
Aforesaid open-end wrench, wherein this open-end wrench also comprises a cover plate that is covered on this second jaw portion and seals this installation room, and this cover plate has this articulated part of confession and passes fixing and to articulating the perforation of chute.
The present invention compared with prior art has tangible advantage and beneficial effect.By technique scheme, open-end wrench of the present invention has following advantage and beneficial effect at least: the present invention is by this second jaw portion pivot swing relatively of this pivot pendulum jaw, can allow the user not need that the spanner release lock is fastened part and can return back to the origin operation angle, and can make things convenient for the user to operate.
In sum, the invention relates to a kind of open-end wrench, be to can be used to part that is locked of clamping, this spanner comprises: a lever, an opening folder jaw, an articulated part, a pivot pendulum jaw and an elastic component, this opening folder jaw is to connect this lever, and have one first jaw portion and one second jaw portion, this articulated part is to be fixed in this second jaw portion, this pivot pendulum jaw is to be articulated in this second jaw portion swingably by this articulated part, this pivot pendulum jaw this second jaw portion is relatively being pulled pivot pendulum between position and the off-position, and this elastic component can order about the permanent trend that keeps pulling towards this position pivot pendulum of this pivot pendulum jaw, by this second jaw portion swing relatively of this pivot pendulum jaw, allow the user not need that the spanner release lock is fastened part and can return back to the origin operation angle, and can make things convenient for the user to operate.The present invention has above-mentioned plurality of advantages and practical value, no matter it all has bigger improvement on product structure or function, obvious improvement is arranged technically, and produced handy and practical effect, and more existing open-end wrench has the outstanding effect of enhancement, thereby being suitable for practicality more, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is the front view of open-end wrench one preferred embodiment of the present invention.
Fig. 2 is the exploded perspective view of this preferred embodiment.
Fig. 3 is the front view that this preferred embodiment does not comprise a cover plate, illustrates that relative one second a jaw portion of pivot pendulum jaw is pulling the position.
Fig. 4 is the view of similar Fig. 3, illustrates that this relative this second jaw portion of pivot pendulum jaw is in the off-position.
Fig. 5 is the view of similar Fig. 3, and the be locked part of this preferred embodiment applicable to undersized is described.
The specific embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to its specific embodiment of open-end wrench, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
Relevant aforementioned and other technology contents, characteristics and effect of the present invention can clearly present in the following detailed description that cooperates with reference to graphic preferred embodiment.
See also Fig. 1, Fig. 2, shown in Figure 3, Fig. 1 is the front view of open-end wrench one preferred embodiment of the present invention, Fig. 2 is the exploded perspective view of this preferred embodiment, and Fig. 3 is the front view that this preferred embodiment does not comprise a cover plate, illustrates that relative one second a jaw portion of pivot pendulum jaw is pulling the position.The preferred embodiment of open-end wrench 100 of the present invention is to be used for the part 10 that is locked (for example hexagonal (hexagon)nut or hex bolts) is applied torsional moment, this is locked part 10 locking or unclamp.This part 10 that is locked has six corners 11.This open-end wrench 100 comprises a lever 2, opening folder jaw 3, pivot pendulum jaw 4, elastic component 5, a cover plate 6, and an articulated part 7.
This lever 2 is to extend along its length and be available for users to grip.
This opening folder jaw 3 is that one connects this lever 2, and has one first jaw portion 31 and one second jaw portion 32.This first jaw portion 31 has one first folder face 311, and a groove 312 that caves inward from this first folder face 311.This second jaw portion 32, have installation room that a bearing surface 321, one cave inward from this bearing surface 321 322, one towards this installation room 322 and for the installed surface 323 of these elastic component 5 pushing tows, and one is communicated with this installations room 322 and this articulated part 7 of confession penetrates fixing pivot hole 324.
This pivot pendulum jaw 4 is that part is placed in this installation room 322, and by this articulated part 7, this pivot pendulum jaw 4 is to be articulated in this second jaw portion 32 swingably.This pivot pendulum jaw 4 has a forced section 41, and an articulated section 42 that connects this forced section 41.But this forced section 41 has the contact-making surface 412 of second a folder face 411 towards this first folder face 311, and these second folder face, 411 opposing settings and these second jaw portion, 32 bearing surfaces 321 of butt, and one with the settings and to stationary plane 413 that should installed surface 323 at interval of this contact-making surface 412.This articulated section 42 is to be connected between this stationary plane 413, the contact-making surface 412, and has the pivot joint chute 421 that this articulated part 7 of a confession passes, define an opening 43 that is used for this part 10 that is locked of clamping between this first, second folder face 311,411, this pivot joint chute 421 has one first end 422 and one second end 423.In the present embodiment, this pivot joint chute 421 is to be the oblong groove of wearing, and this first end 422 is respectively the opposite end that is positioned at the Long Circle major diameter with this second end 423.
This elastic component 5 is compression springs that are installed between these pivot pendulum jaw 4 stationary planes 413 and this second jaw portion, 32 installed surfaces 323.
This cover plate 6 is to be covered on this second jaw portion 32, and has the perforation 61 that this articulated part 7 of a confession passes.Can seal this installation room 322 and reach dustproof and purpose attractive in appearance by this cover plate 6.
This articulated part 7, be the pivot joint chute 421 of the perforation 61 of passing this cover plate 6, this pivot pendulum jaw 4 in regular turn after, penetrate the pivot hole 324 of this second jaw portion 32 and be fixed in this second jaw portion 32.
This pivot pendulum jaw 4 this second jaw portion 32 is relatively being pulled pivot pendulum between position (seeing shown in Figure 3) and off-position (the seeing shown in Figure 4).When this pulls the position, the contact-making surface 412 of this pivot pendulum jaw 4 is bearing surfaces 321 of this second jaw portion 32 of butt, this articulated part 7 is first ends 422 that are positioned at this pivot joint chute 421, and two parallel surfaces 12 of this part 10 that is locked are respectively by these first, second folder face 311,411 clampings.
When this off-position, this elastic component 5 is compressed and the storage elasticity potential energy by pivot pendulum jaw 4 pushing tows, the contact-making surface 412 of this pivot pendulum jaw 4 is the bearing surfaces 321 away from this second jaw portion 32, and this articulated part 7 is second ends 423 that are positioned at this pivot joint chute 421, and one of them corner 11 of this part 10 that is locked is the grooves 312 that are positioned at this first jaw portion 31.When this pivot was put jaw 4 in this off-position, the elastic restoring force perseverance that the elasticity potential energy of this elastic component 5 produces was ordered about the trend that this pivot pendulum jaw 4 keeps pulling towards this position pivot pendulum.
To illustrate how to utilize these open-end wrench 100 lockings or unclamp this part 10 that is locked below:
Before this open-end wrench 100 is not inserted in this part 10 that is locked, this elastic component 5 is stationary planes 413 of this pivot pendulum jaw 4 of pushing tow, make the bearing surface 321 of this second jaw portion 32 of contact-making surface 412 butts of this pivot pendulum jaw 4, this articulated part 7 is positioned at first end 422 of this pivot joint chute 421, at this moment, these pivot pendulum jaw 4 relative these second jaw portions 32 are to pull the position at this.
See also shown in Figure 3, then, the user is inserted in this part 10 that is locked with this open-end wrench 100, and making this part 10 that is locked is to be located in this opening 43, and promptly first, second folder face 311,411 is respectively by two parallel surfaces 12 of this part 10 that is locked of contact and this part 10 that is locked of clamping.Shown in arrow among Fig. 3, when the user pulls this lever 2 counterclockwise, because the contact-making surface 412 of this pivot pendulum jaw 4 is bearing surfaces 321 of this second jaw portion 32 of butt, therefore, this part 10 that is locked can be by angle of these first, second folder face 311,411 driven rotary, this is locked part 10 lockings or unclamp.
Because be subject to limited operating space arround this part 10 that is locked, after these open-end wrench 100 these angles of rotation, see also shown in Figure 4, it is the view of similar Fig. 3, illustrate that this relative this second jaw portion of pivot pendulum jaw is in the off-position, the user can oppositely pull this open-end wrench 100 (as the direction of arrow) clockwise, make the second folder face 411 of this this pivot pendulum jaw 4 of part 10 reverse pushing tows that is locked, this pivot pendulum jaw 4 is because of by pushing tow this second jaw portion, 32 pivots pendulum relatively, and then make these stationary plane 413 pushing tows compress this elastic component 5, this contact-making surface 412 is away from this bearing surface 321, and this articulated part 7 is positioned at second end 423 of this pivot joint chute 421.At this moment, one of them corner 11 of this part 10 that is locked is the grooves 312 that are positioned at this first jaw portion 31, and these part 10 11 of another corners that are locked are the second folder faces 411 that continues this pivot pendulum jaw 4 of pushing tow, and this pivot pendulum jaw 4 is in this off-position.When this off-position, part 10 is no longer by these first, second folder face 311,411 clampings because this is locked, when continuing to pull this open-end wrench 100 clockwise, this open-end wrench 100 will be to be counterrotating idle running stroke with this part 10 that is locked, and can make this open-end wrench 100 return back to the origin operation angle whereby.
By above explanation as can be known, when the user pulls this open-end wrench 100 counterclockwise, these pivot pendulum jaw 4 relative these second jaw portions 32 are positioned at this to pull the position, and this open-end wrench 100 part 10 that this can be locked is locked or unclamps.On the contrary, pull this open-end wrench 100 clockwise, these pivot pendulum jaw 4 relative these second jaw portions 32 are positioned at this off-position, and this open-end wrench 100 in the rotation is these part 10 idle running that are locked relatively, and therefore, the present invention can be considered as the spanner of an one-way operation.Certainly, if these open-end wrench 100 turn-overs are used, the present invention can carry out the one-way operation of another direction.This specification is for suitable, anticlockwise description, all be to be as the criterion with page, that so-called one-way operation then is meant is suitable, counterclockwise wherein any direction pull operation, in addition, be the operating state of mechanisms in this second jaw portion 32 of clear expression, this of Fig. 3 and Fig. 4 part 10 that is locked is to be described towards the direction of nut head by the nut threaded portion.
Via above specifying, now again advantage of the present invention is summarized as follows:
Because this pivot pendulum jaw 4 is this second jaw portion, 32 pivots pendulum relatively, when pulling this open-end wrench 100 counterclockwise, this pivot pendulum jaw 4, this first jaw portion 31 clamping jointly drive this part 10 rotations that are locked, on the contrary, when oppositely pulling this open-end wrench 100, this pivot pendulum jaw 4, this first jaw portion 31 discharge this part 10 that is locked, these part 10 idle running that are locked relatively of this open-end wrench 100, and making the present invention is one-way operation.Open-end wrench compared to existing bidirectional operation must be replied the origin operation angle to break away from this mode that is locked part 10, and the present invention only can reply the origin operation angle by oppositely pulling open-end wrench 100, more convenient user's operation.
Seeing also shown in Figure 5ly, is the view of similar Fig. 3, and the be locked part of this preferred embodiment applicable to undersized is described.What deserves to be explained is, when these part 10 undersized that are locked in the suitable dimensions of this open-end wrench 100, if use existing open-end wrench will cause the damage of these part 10 corners 11 that are locked easily, yet, because this pivot pendulum jaw 4 of the present invention is this second jaw portion, 32 pivots pendulum relatively, and this first jaw portion 31 have can ccontaining these part 10 corners 11 that are locked groove 312, therefore, this first, second folder face the 311, the 411st of the present invention goes for this part 10 that is locked of clamping undersized.
Conclude above-mentioned, open-end wrench 100 of the present invention, be by these pivot pendulum jaw 4 relative these second jaw portion, 32 pivots pendulum, and order about this pivot pendulum jaw 4 by this elastic component 5 and reset, can reach the effect that makes these open-end wrench 100 one-way operations, and then allow the user not need that the spanner release lock is fastened part 10 can to return back to the origin operation angle, and can make things convenient for the user to operate and promote operating efficiency, so can reach the purpose and the effect of invention really.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (5)
1, a kind of open-end wrench is to be used for part that is locked of clamping, and this spanner includes a lever, an opening folder jaw, an articulated part, a pivot pendulum jaw, and an elastic component, it is characterized in that:
This opening folder jaw is to connect this lever, and has one first jaw portion and one second jaw portion that this first jaw portion has one first folder face, reaches one from this first groove that presss from both sides towards sunken inside, and this second jaw portion has a bearing surface;
This articulated part is to be fixed in this second jaw portion;
This pivot pendulum jaw, be to be articulated in this second jaw portion swingably by this articulated part, and have one towards this first the folder face the second folder face, contact-making surface with this bearing surface butt, borrow every the stationary plane that is provided with this contact-making surface for one, reach one and be positioned at this stationary plane, the pivot joint chute that passes between the contact-making surface and for this articulated part, this is first years old, define an opening between the second folder face, this pivot joint chute has one first end and one second end, this pivot pendulum jaw this second jaw portion is relatively being pulled pivot pendulum between position and the off-position, when this pulls the position, this articulated part is first end that is positioned at this pivot joint chute, the contact-making surface of this pivot pendulum jaw is the bearing surface of this second jaw portion of butt, this be locked part by this first, the second folder face clamping, when this off-position, this articulated part is second end that is positioned at this pivot joint chute, and this contact-making surface is away from this bearing surface; And
This elastic component is between the stationary plane and this second jaw portion of this pivot pendulum jaw, and is used for ordering about the permanent trend that keeps pulling towards this position pivot pendulum of this pivot pendulum jaw.
2, open-end wrench as claimed in claim 1, it is characterized in that the described second jaw portion also has an installation room that caves inward from this bearing surface, one towards this installed surface of room being installed and being supplied this elastic component pushing tow, and this installation room of connection is to articulating chute and penetrating fixing pivot hole for this articulated part, this pivot pendulum jaw also has a forced section, and articulated section that connects this forced section and be articulated in this installation room, this second folder face, contact-making surface, stationary plane is to be positioned at this forced section, and this contact-making surface, this stationary plane all with the opposing setting of this second folder face, and this pivot joint chute is to be positioned at this articulated section.
3, open-end wrench as claimed in claim 1 is characterized in that described pivot joint chute is to be the oblong groove of wearing, and this first end and this second end are respectively the opposite end that is positioned at the Long Circle major diameter.
4, open-end wrench as claimed in claim 3 is characterized in that described elastic component is the compression spring of a pushing tow between this pivot pendulum jaw stationary plane and this second jaw portion installed surface.
5, open-end wrench as claimed in claim 1 is characterized in that this open-end wrench also comprises a cover plate that is covered on this second jaw portion and seals this installation room, and this cover plate has this articulated part of confession and passes fixing and to articulating the perforation of chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710154129A CN100594099C (en) | 2007-09-17 | 2007-09-17 | Open end wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710154129A CN100594099C (en) | 2007-09-17 | 2007-09-17 | Open end wrench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101391410A true CN101391410A (en) | 2009-03-25 |
| CN100594099C CN100594099C (en) | 2010-03-17 |
Family
ID=40492023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710154129A Expired - Fee Related CN100594099C (en) | 2007-09-17 | 2007-09-17 | Open end wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100594099C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015032230A1 (en) * | 2013-09-06 | 2015-03-12 | 绍兴恒力工具有限公司 | Ratchet wrench |
| CN105291028A (en) * | 2015-11-03 | 2016-02-03 | 浙江亿洋工具制造有限公司 | Pipe wrench structure |
| CN112775879A (en) * | 2020-12-29 | 2021-05-11 | 海盐星辰工具有限公司 | Monkey wrench with self-tightening function |
-
2007
- 2007-09-17 CN CN200710154129A patent/CN100594099C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015032230A1 (en) * | 2013-09-06 | 2015-03-12 | 绍兴恒力工具有限公司 | Ratchet wrench |
| CN105291028A (en) * | 2015-11-03 | 2016-02-03 | 浙江亿洋工具制造有限公司 | Pipe wrench structure |
| CN112775879A (en) * | 2020-12-29 | 2021-05-11 | 海盐星辰工具有限公司 | Monkey wrench with self-tightening function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100594099C (en) | 2010-03-17 |
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