CN1020685C - Quick releasable vice-grip pliers - Google Patents
Quick releasable vice-grip pliers Download PDFInfo
- Publication number
- CN1020685C CN1020685C CN 89102804 CN89102804A CN1020685C CN 1020685 C CN1020685 C CN 1020685C CN 89102804 CN89102804 CN 89102804 CN 89102804 A CN89102804 A CN 89102804A CN 1020685 C CN1020685 C CN 1020685C
- Authority
- CN
- China
- Prior art keywords
- lever
- drive rod
- release lever
- vice
- arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The present invention relates to a pair of fast releasable vice grip pliers. The present invention is characterized in that when a release lever operated by a thumb loosens an adjustable toggle lever, the release lever extends along the side face of a driving lever of the fast releasable vice grip pliers, and a press plate which can be in contact with fingers is arranged near a pivot pin of a vice jaw of the fast releasable vice grip pliers.
Description
The characteristics that people are referred to as the locking gripping tongs of " vice " usually are that short and heavy bit makes their own being clamped on the workpiece of fixing.Spacing between the jaw is adjustable, so that obtain distance predetermined between the described jaw.This distance obtains by means of a said jaw of toggle thick stick system manipulation.But this kind clevis brank that is used to change the workpiece partial status is unyielding on scheduled distribution locations, therefore, can keep clamping force when situation needs.This locking function is to realize by means of having an angle lever system that surmounts the center locking state.In addition, said function of unclamping unclamps by one that this release lever that surmounts the center locking state realizes.General purpose of the present invention provides an improved release lever that is used for vice-grip pliers, and this release lever is than the easier operation of above-mentioned release lever, and whereby, operator's one hand is easy to finish and obtain the state that these pincers are locked or loosened.
Use the meaning of vice-grip pliers to be that these gripping tongs can be conditioned and have a function of unclamping easily.Said adjusting is relevant with the thickness of workpiece that is clamped, and unclamps relevant with the operation of a release lever that can force down.An object of the present invention is said quick release function is carried out big improvement, prior art has then been adopted in the adjusting of gripping tongs of the present invention.For vice-grip pliers of the prior art, the operator need finish said loosening up with two hands, and promptly this operator generally is that one hand is held gripping tongs or handle, the said release lever of another manual operating.For this reason, the invention provides an energy with a vice-grip pliers that holds, this gripping tongs does not change the said tight state of holding, and just can promptly unclamp by the pressure of thumb.Another object of the present invention provides a kind of mode of unclamping fast of replacement, adopts the means of clashing into release lever very easily in this mode.A kind of mode of unclamping in said back is used when a solid objects of being close to release lever is clashed into, and thus, has just loosened the time pole that clamps.
The present invention has at one and has used said locking mode in the vice-grip pliers that loosens function fast easily, exposes the release lever of gripping tongs, so that hold this release lever of singlehanded thumb manipulation of the operator of these pincers.Can adopt the measure of being convenient to clash into said release lever like this if wish.The feature of said gripping tongs is that a pair of drive rod is set, and the said release lever of a toggle link system extends so that operator's one-handed performance along the side of one of them drive rod, and wherein preferred release lever is convenient to the singlehanded thumb manipulation of operator.
The present invention above-mentioned with various other purpose and feature by following typical preferred example and application thereof, the detailed description of being carried out in mode in conjunction with the accompanying drawings is fairly obvious and can be understood fully.
A typical vice-grip pliers the lateral elevational view when its jaw open configuration of Fig. 1 shown in being.This figure has showed the thumb contact plate of said release lever, and the every operation of these pincers all adopts one-handed performance.
Fig. 2 is the partial view of side elevation shown in Figure 1 position, and this figure has showed by drive rod to be made the jaw closure and show the principle of being unclamped this toggle system by release lever.
Fig. 3 is an amplification sectional view that the below drive rod of release lever is housed, and this figure has showed the engagement relationship of release lever with the angle lever that can regulate and can loosen.
Referring now to accompanying drawing, this vice-grip pliers is a clamping device of being handled by angle lever, and clamping work pieces or analog can be adjusted and unclamp to this device.Characteristics of this device clamping work pieces are the states that releasably advances profile of tooth part or said jaw to engage to controlled and said workpiece.The feature of this gripping tongs is that the thumb of operator's hand can touch its release lever L, and whereby, this clamping device clamps so that work.
As shown in the figure, said clamping device comprises a frame F, and this frame F has a regular jaw J
1With one scratch the pivotally supported moving jaw J of this framework
2, this clamping device also comprises a drive rod A by an angle lever T operation, this drive rod A determines said exercisable moving jaw J
2Relative fixed jaw J
1The position, like this, two jaws can cooperate each other.This angle lever T is supported by an adjusting device M.
Said frame F is an elongated part, has disposed the pivot 10 of transverse horizontal on it, this part rear portion configuration handle 11, and anterior configuration front end has jaw J
1Lever arm 12.In fact, handle 11 has inverted U-shaped cross section, and said pivot 10 is by two side wall supports in this cross section, and for instance, decreased food approximately can be 6 English inch.Said arm 12 and associated jaw portion length thereof are convergent shapes, and its length is approximately 2 or 3 English inch.This lever arm 12 can have any suitable cross section, and very hard and firm, and it preferably makes material is steel.
Said pivot 10 supports the moving jaw J of lever arm 13 shapes
2, lever arm 13 is disposed at the below of lever arm 12, and plays a part to cooperatively interact with it.In an illustrated embodiment, arm 12 and 13 is firm and inflexibility, and is supported by a common pivot 10, and to form cutting pliers or gripping tongs, these pincers can produce a stable clamping force, resemble will as described in.
Arm 13 is desirable levers of a bell-crank lever structure.At the towing pin 14 that has to be disposed at below the pivot pin 10 on this lever arm 13.Between the pin 10 and 14 moment is arranged, for example, its length can be 1.5 English inch.Because arm 12 and 13 only is a little English inch, this structure can produce good mechanic effect.Said towing pin 14 supports a drive rod A.As operation jaw J
2Action makes it be close to jaw J
1The time, this drive rod A has such shape, closely is disposed at handle 11 belows of said framework, and therewith extends in the space jointly.A tension spring 15 that is disposed between frame F and the arm 13 opens said jaw gradually, as shown in Figure 2.
Angle lever T who is pressured state and one are hinged by the support column 25 that a governor motion M aligns the appropriate location.As shown in the figure, this governor motion M is a screw rod that is connected with handle 11 rear threads, and the front end of this screw rod forms the free end that said support column 25 withstands angle lever T.According to the situation of such existing gripping tongs, this angle lever T is connected on the drive rod A by towing pin 16 pivots.When drive rod A was operated to the position of the said jaw of forced closed, this towing pin 16 moved to the center of crossing a little.
According to the present invention, release lever L of configuration on drive rod A is so that end the situation that surmounts the center mentioned above at an easy rate.According to the present invention, can be by thumb pressure (finger) or by this release lever of bump operation L.Just as shown in the figure, for manual operation and bump were operated both, the release lever L that is disposed at said clamping device assembly outside was a desirable lever.Release lever L is positioned at angle lever T below by one, and pin 17 pivotal support that are installed on the said drive rod A rotate, so that be connected (referring to Fig. 3) with this drive rod A.The feature of this release lever L is that the lever arm 18 that is positioned at drive rod A side extends forward along drive rod A length direction, and its termination is positioned near the pivot pin 10 the position, and on this position, the thumb of the hand of operator ' can touch the termination of this lever arm 18.
In addition, the feature of this release lever L is that also the lever arm 19 that is positioned at angle lever T below extends back, so that contact and lift same angle lever T when wanting to unclamp this clamping device.In fact, drive rod A has a U-shaped cross-section, so that hold said angle lever T in the side that it is holded up.In this case, the lever arm 19 of release lever L enters this drive rod by the opening 30 of drive rod A bottom surface, so that contact with angle lever T in being disposed at this drive rod side, as shown in Figure 3.A boss 31 is arranged on this angle lever T, and lever arm 19 so that lift this angle lever T, has so just unclamped clamping device in order to contact this boss.
The manual contact of this release lever L is the thumb pressing plate 32 that crosses out by means of lever arm 18 front ends, depresses release lever L and contacts so that make the boss 31 of angle lever T produce to lift with lever arm 19.The bump contact of this release lever L is by means of forcing to contact to finish with lug 33.This lug 33 stretches out from the rearmost end of lever arm 19.Lifted this lever arm 19 like this,, also lifted boss 31 and angle lever T with this.This release lever L keeps it to leave the initial position of angle lever boss 31 by means of what located by pin 17 around spring 34.
Jaw J
1And J
2Lever system location by mentioned earlier, each other from a distance.Lever arm 12 and 13 closely is connected on the pivot pin 10 so that make it firm and stable, and said jaw is limited on the end position of lever arm as shown in the figure.Said jaw has traditional teeth as shown in the figure and these teeth can be made various shape as required.
According to mentioned above, fairly obvious, the invention provides a new effective vice-grip pliers.By means of finger, preferably, this vice-grip pliers can promptly be unclamped by means of a thumb pressure that hand applies that is used to operate these pincers.The feature of this gripping tongs is that said thumb can touch along the release lever of the drive rod side configuration of below.
Described here only is the typical optimised form of the present patent application, the present invention do not limit to or by limit as for the detail of being stated here, and state in should qualification as following claim to keep those of ordinary skill in the affiliated field be conspicuous any improvement or remodeling.
Claims (7)
1, a kind of vice-grip pliers that is used for mechanically clamping the quick releasable of a workpiece comprises:
An elongated framework of being furnished with first pivot pin, this framework comprise a handle that extends back and a lever arm that extends forward,
A said pivot pin drive lever supported, this drive rod is disposed at the below of the handle of said framework, and extend back from this pivot pin, be complementary with this handle, and a lever arm, this lever arm is disposed at the below of said framework lever arm, and extends forward from said pivot pin, be complementary with the lever arm of this framework
An angle lever, this angle lever is suitable on the center placing surmounting of regulating by adjusting device releasedly, and is suitable for operating between said framework handle and said drive rod, so that force two lever arms to enter the relevant position that separates each other,
Away from the relative jaw that disposes in the end of said first pivot pin, this jaw is used for the facing surfaces of adjustable ground clamp arrangements workpiece between this jaw on said coupling arm,
It is characterized in that also comprising:
A release lever that supports by second pivot pin that is disposed on the said drive rod, this release lever has one with an arm that extends forward for the pressing plate of manual depression, this pressing plate is positioned at the outside and close described first pivot pin of described framework, this release lever has an arm that extends back below described angle lever, is used for lifting this angle lever from the described center that surmounts.
2,, it is characterized by of the side configuration of the lever arm that extends forward of said release lever along said drive rod according to the vice-grip pliers of the described quick releasable of claim 1.
3,, it is characterized by of the side configuration of the lever arm that extends forward of said release lever along said drive rod according to the vice-grip pliers of the described quick releasable of claim 1.
4, according to the vice-grip pliers of the described quick releasable of claim 1, the platen configuration that it is characterized by said release lever is near said first pivot pin.
5,, it is characterized by of the side configuration of the lever arm that extends forward of said release lever, and the platen configuration of this release lever is near said first pivot pin along said drive rod and framework according to the vice-grip pliers of the described quick releasable of claim 1.
6, according to the vice-grip pliers of the described quick releasable of claim 1, it is characterized by said drive rod and have V-arrangement cross section around angle lever, there is an opening bottom surface of this drive rod, the lever arm that extends back of said release lever by this opening to finish the joint of this lever arm below said angle lever.
7, according to the vice-grip pliers of the described quick releasable of claim 1, it is characterized by of the side configuration of the lever arm that extends forward of said release lever along said drive rod and framework, the platen configuration of said release lever is near said first pivot pin, and said drive rod has the U-shaped cross-section around said angle lever, there is an opening bottom surface of this drive rod, the lever arm that said release lever extends back by this opening to finish the joint of this lever arm below said angle lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89102804 CN1020685C (en) | 1989-04-03 | 1989-04-03 | Quick releasable vice-grip pliers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89102804 CN1020685C (en) | 1989-04-03 | 1989-04-03 | Quick releasable vice-grip pliers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1046112A CN1046112A (en) | 1990-10-17 |
| CN1020685C true CN1020685C (en) | 1993-05-19 |
Family
ID=4854847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89102804 Expired - Fee Related CN1020685C (en) | 1989-04-03 | 1989-04-03 | Quick releasable vice-grip pliers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1020685C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW267126B (en) * | 1993-02-04 | 1996-01-01 | Petersen Mfg Co Ltd | |
| DE102019109351A1 (en) * | 2019-04-09 | 2020-10-15 | Uwe Neitzel | Net holder and table tennis net set with net holder |
| KR102102989B1 (en) * | 2019-07-17 | 2020-04-22 | 이종하 | Locking plier |
-
1989
- 1989-04-03 CN CN 89102804 patent/CN1020685C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1046112A (en) | 1990-10-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| NL193057C (en) | Fast-setting clamp. | |
| EP0728058B1 (en) | Improved clamping device | |
| CA2036328A1 (en) | Hand tool or improved bar clamp | |
| US20020083809A1 (en) | Utility cutting tool having toggle link mechanism | |
| CN1105620A (en) | Automatic self-adjusting and locking tool | |
| CN101462257B (en) | Quick vice | |
| CN1265056A (en) | Clamping tool, especially clamping clip, clamping rod or clamping bench | |
| US2967730A (en) | Concrete block lifter | |
| JPH0839440A (en) | Tightening pliers | |
| US20050011051A1 (en) | Removable auxiliary handle for tools | |
| CN206216526U (en) | A kind of round mouth locking pliers of adjustable jaw | |
| CN1020685C (en) | Quick releasable vice-grip pliers | |
| US4475728A (en) | Toggle actuated bench clamp | |
| US5499800A (en) | Adjustable toggle action quick release locking bar clamp | |
| US2362707A (en) | Quick-acting clamp | |
| US4263705A (en) | Dowel pin puller | |
| US4748876A (en) | Universal pliers | |
| US6145415A (en) | Adjustable pliers | |
| US4798366A (en) | Shake nail puller | |
| US4890520A (en) | Self adjusting gripping tool | |
| EP0897881A1 (en) | Lifting apparatus | |
| US3870359A (en) | Clamp construction | |
| US2894547A (en) | Lever unlocking means in toggle action clamping devices | |
| CN211728836U (en) | Opening-adjustable clamping locking pliers | |
| CA1265781A (en) | Tool for removing staples |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |