CN205237869U - Conceal stock locking pliers of extension spring - Google Patents
Conceal stock locking pliers of extension spring Download PDFInfo
- Publication number
- CN205237869U CN205237869U CN201521081026.XU CN201521081026U CN205237869U CN 205237869 U CN205237869 U CN 205237869U CN 201521081026 U CN201521081026 U CN 201521081026U CN 205237869 U CN205237869 U CN 205237869U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- vice body
- extension spring
- binding clip
- vice
- 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
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- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The utility model provides a conceal stock locking pliers of extension spring, including fixed binding clip, activity binding clip, vice body, connecting rod, rocker, pincers handle, extension spring and locking mechanism, fixed binding clip is fixed in the front end of vice body, the activity binding clip articulate in the front end of connecting rod and the front end of vice body, the rocker with the middle part of vice body the rear end of connecting rod the front end of pincers handle is articulated, locking mechanism locates between the rear portion of pincers handle and vice body, the connecting rod with the vice body all is shaft -like structure, just the connecting rod with the vice body is parallel, be close to, wherein, the cross section of connecting rod and the cross section of vice body all is the U -shaped, and the opening sets up relatively, the one end of extension spring connect in the anterior inside of vice body, the other end of extension spring then stretches into the connecting rod inside and connect in the connecting rod is inside to be close to the position of activity binding clip is used for the drive the connecting rod rearward movement. The utility model discloses an extension spring is difficult for receiving external destruction.
Description
Technical field
The utility model relates to a kind of locking pliers (spanner in other words), particularly a kind of length of hidden extension springBar locking pliers.
Background technology
Locking pliers is a kind of widely used operation tool, simple, practical, is mainly used in clamping part and entersThe processing such as row riveted joint, welding, grinding and part dismounting, assembling etc., be characterized in that jaw can lockAnd produce very large clamping force, clamped part can not be got loose. Separately, locking pliers also can be done spanner use.
But, if desired go deep into long and narrow space, and when need to opening and magnifying jaw, locking pliers is just soCannot use. Given this Chinese utility model patent that, the patent No. is 200720038055.7 is open a kind ofLong and narrow bar locking pliers, its by vice body, fixed pliers head, movable binding clip, connecting rod, rocking bar, pole, clamp handle,Opening handle, adjustment screw, extension spring, rivet composition; Movable binding clip, connecting rod, rocking bar are riveted on vice body,Composition four-bar linkage, vice body front end is riveted or is welded and fixed binding clip, and rear end has screw that adjusting spiral shell is housedNail, movable binding clip is connected with the front end of vice body and the front end of connecting rod by rivet, rocking bar and vice body middle-end withRod rear end is connected by riveted joint, rocking bar and connecting rod rivet activity, opening handle and the pincers in vice body middle-endHandle is connected by riveted joint, and opening handle is movable cooperation in clamp handle; Clamp handle and pole and rocking bar connect by rivetConnect, and movable each other, extension spring one end is fixed in vice body, and the other end is fixed on rocking bar.
Application in practice shows, above-mentioned locking pliers exists following defect:
One, extension spring be arranged in vice body, rocking bar, clamp handle, pole around space, when fixed pliers head, workWhen moving binding clip locking, vice body, rocking bar, clamp handle, pole are around the narrow space forming, and extension spring is in phaseTo sealing, shielded state; In the time that fixed pliers head, movable binding clip are opened, vice body, rocking bar, clamp handle,Pole is moved towards periphery, around space obviously increase, make the environment of extension spring in an opening,And extension spring is a kind of relatively easy impaired parts, moreover locking pliers is to be all generally applied to easily to be rushedThe environment that hits, collides. In addition, in the time that locking pliers does not use, a lot of user habits are opened locking pliers,Make hook through vice body, rocking bar, clamp handle, pole around space in, inevitably, be positioned at vice body,Extension spring in rocking bar, clamp handle, pole ambient will be impacted. If someone deliberately destroys, extension springMore easily damage. Therefore, the extension spring of above-mentioned locking pliers is easily impaired.
Two, rocking bar and connecting rod, vice body, clamp handle are simultaneously hinged, and one end of extension spring is also connected with rocking bar,Connecting rod, vice body, clamp handle, extension spring are connected in four jiaos of rocking bar, and therefore rocking bar should design, be made as largerPlaty structure, application material more.
Three, because rocking bar need to be connected with connecting rod, vice body, clamp handle, extension spring simultaneously, therefore area is lessSheet rocking bar on need to arrange four through holes, known, the structure that this structure will reduce rocking bar is strongDegree, in order to meet requirement of strength, the thickness of rocking bar or material are answered corresponding increase, and cost also rises thereupon.
Four, when vice body afterbody adjustment screw is drawn back, jaw is magnified, in this case, extension spring canCan overstep the extreme limit, not only cause jaw freely to open, need people for pulling open, just can reach reasonThink effect, and easily cause extension spring fatigue.
Summary of the invention
The purpose of this utility model is to provide a kind of stock locking pliers of hidden extension spring, to solve existing skillThe extension spring that art exists easily impaired, material cost is difficult for the problem of saving.
To achieve these goals, the utility model provides following technical scheme:
A stock locking pliers for hidden extension spring, comprise fixed pliers head, movable binding clip, vice body, connecting rod,Rocking bar, clamp handle, extension spring and retaining mechanism, described fixed pliers head is fixed on the front end of described vice body, described inMovable binding clip is articulated with the front end of described connecting rod and the front end of described vice body, described rocking bar and described vice bodyThe front end of middle part, the rear end of described connecting rod, described clamp handle hinged, described retaining mechanism is located at described pincersBetween handle and the rear portion of vice body, described connecting rod and described vice body are all rod shaped structure, and described connecting rod and instituteState vice body parallel, close, wherein, the cross section of described connecting rod and the cross section of described vice body are all UShape, and opening is oppositely arranged; One end of described extension spring is connected in the inside of described vice body front portion, described in drawThe other end of spring stretches into that described connecting rod is inner and to be connected in described connecting rod inner near described movable binding clipPosition, for driving described connecting rod to move backward.
Preferably, the curved platy structure of described rocking bar, one end be articulated with described vice body middle part, anotherEnd is articulated with the front end of described clamp handle, the rear end that middle part is articulated with described connecting rod, and described rocking bar is towards lordosisRise.
Preferably, the inside of described connecting rod and described vice body is fixed with gusset, to improve described connecting rod and instituteState the intensity of vice body.
Preferably, the inner position near described movable binding clip of described connecting rod is provided with transverse axis, described extension springThe other end be hooked on described transverse axis.
Analyze knownly, extension spring of the present utility model one end is connected in vice body inside, and the other end gos deep in connecting rodPortion is also connected in connecting rod inside, because mutually close vice body, the cross section of connecting rod take the shape of the letter U, and openingBe oppositely arranged, whereby, extension spring one end large part is in vice body, and other end large part, in connecting rod, exposesBetween vice body, connecting rod, the part in space is very short and small, and therefore, extension spring of the present utility model is not vulnerable toExtraneous destruction.
Brief description of the drawings
Fig. 1 is structure (broken section or the perspective) schematic diagram of the utility model embodiment mono-;
Fig. 2 is the cross-sectional view of A-A along the line in Fig. 1;
Fig. 3 is the connecting rod of the utility model embodiment bis-, the cross-sectional view of vice body, hatching positionPut identical with embodiment illustrated in fig. 1 one line A-A position.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details.
As shown in Figure 1, the utility model embodiment mono-comprise vice body 1, connecting rod 2, pole 3, clamp handle 4,Opening handle 5, adjustment screw 6, fixed pliers head 7, movable binding clip 8, rocking bar 9, extension spring 100. Wherein,The retaining mechanism of the present embodiment one is pole 3, the opening handle 5 between vice body 1 rear end, clamp handle 4Deng, it repeats no more for mature technology.
Wherein, fixed pliers head 7 is fixed on the front end of vice body 1, movable binding clip 8 be articulated with connecting rod 2 beforeEnd and the front end of vice body 1, before the middle part of rocking bar 9 and vice body 1, the rear end of connecting rod 2, clamp handle 4Hold hinged. Connecting rod 2 and vice body 1 are all rod shaped structure, and connecting rod 2 is parallel with vice body 1, close, and two1,020 points, space between person is narrow, and in running, space 102 width are substantially unchanged.As shown in Figure 2, the cross section of the cross section of connecting rod 2 and vice body 1 all takes the shape of the letter U, and the opening of the twoBe oppositely arranged, the inside of vice body 1 is that the inside of deep trouth 10, connecting rod 2 is deep trouth 20. One of extension spring 100End is connected in the inside (this end large part is in deep trouth 10) of vice body 1 front portion, the other end of extension spring 100Stretch into connecting rod 2 inside (this end of extension spring 100 large part in deep trouth 20) and be connected in connecting rod 2Deep trouth 20 inside, concrete link position is the hinged place with movable binding clip 8 near connecting rod 2, extension spring100 effect is that drive link 2 moves backward, and then driving activity binding clip 8 swings.
Preferably, be provided with transverse axis 201 in the connecting rod 2 inner positions near movable binding clip 8 of deep trouth 20,The other end of extension spring 100 is hooked on transverse axis 201.
As shown in Figure 1, extension spring 100 only has the very little part in middle part outside exposed by space 102,Substantially (in the prior art, extension spring 100 is positioned at space 134 to have avoided extraneous mechanical shock, damageIn, in the time that clamp handle 4 grades are opened, space 134 is quite large, in the most of exposed external environment of extension spring,Less than any protection; In use, space 134 changes larger, extension spring also thereupon in frequent,The significantly state of distortion, easily produces fatigue, reduction of service life).
Because the extension spring 100 of the present embodiment one is no longer connected with rocking bar 9, therefore, the present embodiment one will shakeBar 9 is designed to arc platy structure, and middle part, the other end that one end is articulated with vice body 1 are articulated with clamp handle 4Front end, middle part be articulated with the rear end of connecting rod 2, and rocking bar 9 projection forward. Shaking of arc platy structureBar 9 not only moves flexibly, good looking appearance, and less with material, cost-saving.
The utility model embodiment bis-(it only exists connecting rod, vice body internal structure different from embodiment mono-,Therefore its overall structure figure omits) in, as shown in Figure 3, in order to improve the structure of connecting rod 2, vice body 1Intensity, the inside of connecting rod 2 and vice body 1 is fixed with respectively the gusset 21 of strip, gusset 11, gusset21, gusset 11 is respectively along the length direction setting of connecting rod 2, vice body 1, certain, gusset 21, gussetAre advisable not affect extension spring 100 in 11 length and welding position.
To sum up, in the space of extension spring of the present utility model in relative closure, can obtain good protection,Increase the service life.
Secondly, extension spring is between movable binding clip, vice body, and its range of movement, range of stretch are relatively limited,Avoid being subject to pole and adjustment screw impact.
Moreover rocking bar of the present utility model can be reduced to arc list structure, technique is simple, motion spiritWork, appearance looks elegant, saving material.
What as known by the technical knowledge, the utility model can be by other does not depart from its Spirit Essence or necessityThe embodiment of feature realizes. Therefore, above-mentioned disclosed embodiment, with regard to each side, all onlyBeing to illustrate, is not only. All within the scope of the utility model or to be equal to this practicality newChange in the scope of type is all included in the utility model.
Claims (4)
1. a stock locking pliers for hidden extension spring, comprise fixed pliers head, movable binding clip, vice body, connecting rod,Rocking bar, clamp handle, extension spring and retaining mechanism, described fixed pliers head is fixed on the front end of described vice body, described inMovable binding clip is articulated with the front end of described connecting rod and the front end of described vice body, described rocking bar and described vice bodyThe front end of middle part, the rear end of described connecting rod, described clamp handle hinged, described retaining mechanism is located at described pincersBetween handle and the rear portion of vice body, described connecting rod and described vice body are all rod shaped structure, and described connecting rod and instituteState vice body parallel, close, it is characterized in that, the cross section of described connecting rod and the cross section of described vice bodyAll take the shape of the letter U, and opening is oppositely arranged; One end of described extension spring is connected in the inside of described vice body front portion,The other end of described extension spring stretches into described connecting rod inside and is connected in described connecting rod inner near described activityThe position of binding clip, for driving described connecting rod to move backward.
2. the stock locking pliers of hidden extension spring according to claim 1, is characterized in that, described in shakeThe curved platy structure of bar, middle part, the other end that one end is articulated with described vice body is articulated with described clamp handleFront end, middle part are articulated with the rear end of described connecting rod, and described rocking bar projection forward.
3. the stock locking pliers of hidden extension spring according to claim 1, is characterized in that, described companyThe inside of bar and described vice body is fixed with gusset, to improve the intensity of described connecting rod and described vice body.
4. the stock locking pliers of hidden extension spring according to claim 1, is characterized in that, described companyThe inner position near described movable binding clip of bar is provided with transverse axis, described in the other end of described extension spring is hooked onOn transverse axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521081026.XU CN205237869U (en) | 2015-12-24 | 2015-12-24 | Conceal stock locking pliers of extension spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521081026.XU CN205237869U (en) | 2015-12-24 | 2015-12-24 | Conceal stock locking pliers of extension spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205237869U true CN205237869U (en) | 2016-05-18 |
Family
ID=55936948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521081026.XU Expired - Fee Related CN205237869U (en) | 2015-12-24 | 2015-12-24 | Conceal stock locking pliers of extension spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205237869U (en) |
-
2015
- 2015-12-24 CN CN201521081026.XU patent/CN205237869U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160518 Termination date: 20201224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |