CN203973428U - Locking pliers - Google Patents
Locking pliers Download PDFInfo
- Publication number
- CN203973428U CN203973428U CN201420313131.0U CN201420313131U CN203973428U CN 203973428 U CN203973428 U CN 203973428U CN 201420313131 U CN201420313131 U CN 201420313131U CN 203973428 U CN203973428 U CN 203973428U
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- China
- Prior art keywords
- handle
- flexible handle
- locking pliers
- hinged
- flexible
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- 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 - Lifetime
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- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
The utility model relates to a kind of locking pliers, solved the angle that the uncontrollable flexible handle of existing locking pliers opens, after causing movable locking pliers to open, cannot hold and close by one, operate cumbersome defect, comprise fixed handle and flexible handle, flexible handle end is hinged with movable binding clip, fixed handle end is connected with fixed pliers head, movable binding clip and fixed handle are hinged, between movable binding clip and fixed handle, be connected with elastic component, between flexible handle and fixed handle, be connected with support shelves, on flexible handle, be provided with and place restrictions on the mechanism that places restrictions on that support gear moves.On flexible handle, arrange and place restrictions on mechanism and also just placed restrictions on the displacement for flexible handles relatively of support shelves, thereby define the angle that the relative fixed handle of flexible handle opens, prevent from that flexible handle opening angle from too greatly cannot one holding to close, more laborsaving.
Description
Technical field
The utility model relates to a kind of locking pliers, the excessive locking pliers of especially a kind of restraint handle opening angle.
Background technology
Locking pliers, English name locking pliers, is mainly used in clamping part, and very large clamping force can be locked and produce to jaw, and clamped part can not got loose, and clamping part is riveted, welding, the processing such as grinding.
Locking pliers clamping is the position formation self-locking structure of crossing in the so-called line of force straight line that three pivoting points form while rotating by flexible handle.When opening, locking pliers needs only the structure of removing self-locking, under the effect of elastic component, the jaw of locking pliers opens and cannot limit the angle that locking pliers flexible handle opens, and this will cause the angle of opening between flexible handle and fixed handle to surpass palm and hold the angle of closing, and to operation, has brought trouble.When needing after especially opening to clamp, a hand cannot normal operating.
Summary of the invention
The utility model has solved the angle that the uncontrollable flexible handle of existing locking pliers opens, after causing movable locking pliers to open, cannot hold and close by one, operate cumbersome, invent a kind of locking pliers, on flexible handle, be provided with the mechanism that restriction is hinged on the first component scope of activities on flexible handle, define opening angle maximum between first component and flexible handle, also just placed restrictions on the opening angle of flexible handle, so just can a hand complete and hold the operation of closing, more laborsaving.
The utility model solves the technical scheme that its technical problem adopts: a kind of locking pliers, comprise fixed handle and flexible handle, flexible handle end is hinged with movable binding clip, fixed handle end is connected with fixed pliers head, movable binding clip and fixed handle are hinged, between movable binding clip and fixed handle, be connected with elastic component, between flexible handle and fixed handle, be connected with support shelves, on flexible handle, be provided with and place restrictions on the mechanism that places restrictions on that support gear moves.After movable binding clip opens, under the effect of elastic component, can automatically magnify, can automatically not close up, convenient clamping next time; Between flexible handle and fixed handle, be connected support shelves, so the relative fixed handle of flexible handle draw close or away from time, protruding or the right protruding broken line in left side of tie point formation of the tie point of support shelves and tie point, flexible handle and the movable binding clip of flexible handle and support grade and fixed handle, from a left side, protruding broken line is transformed into right protruding broken line, need to cross the line that the tie point of the tie point of flexible handle and movable binding clip and support shelves and fixed handle forms, thereby complete clamping self-locking and unclamp; On flexible handle, arrange and place restrictions on mechanism and also just placed restrictions on the displacement for flexible handles relatively of support shelves, thereby define the angle that the relative fixed handle of flexible handle opens, prevent from that flexible handle opening angle from too greatly cannot one holding to close, more laborsaving; Placing restrictions on mechanism can be various ways, such as support shelves be expansion link, hole, the flexible handle that size is greater than flexible handle cross sectional dimensions is set on support shelves and is inserted in hole, and support shelves end also arranges larger-size disconnecting prevention structure in this end passing through flexible handle.
As preferably, on flexible handle, be provided with mounting hole, the end of support shelves is connected with places restrictions on axle, places restrictions on the axle formation that matches with mounting hole and places restrictions on mechanism.By mounting hole, limit the displacement of flexible handle relatively of support shelves, simple in structure, easy to process.
The length of mounting hole or position need to meet some requirements, and place restrictions on axle in mounting hole during towards one end of fixed handle, and laborsaving locking pliers is in unclamping shape; Place restrictions on axle in mounting hole during away from one end of fixed handle, laborsaving locking pliers is in clamping shape.
As preferably, in flexible handle, be hinged with first component, support shelves are hinged with first component, and this hinged position is in places restrictions on the corresponding position of mechanism.Hinged first component in flexible handle, the power of support shelves effect is transferred on first component, can first make flexible handle open a low-angle when opening, and facilitates hand to insert, and this action of first opening also only needs less power to complete, more laborsaving.
As preferably, it is to realize by placing restrictions on axle that support shelves are hinged with first component, and support shelves are by placing restrictions on axle and first component is hinged.
As preferably, the cross section of flexible handle is flute profile, and the opening of flute profile is towards fixed handle, and first component is articulated with in the groove of flexible handle.
As preferably, the hinged position of the position that first component and flexible handle are hinged and flexible handle and movable binding clip is separated.
As preferably, the length of flexible handle is greater than the length of first component.
As preferably, in flexible handle rotation process, the point that support shelves and first component are hinged can be crossed the line of the pin joint of first component and flexible handle and the pin joint of flexible handle and movable binding clip composition, flexible handle is drawn close and is crossed this line and just complete moving jaw and clamp to fixed handle, and flexible handle is crossed this line away from fixed handle and just completed movable binding clip and unclamp.
As preferably, the tail end of fixed handle is bolted with the adjusting screw(rod) that regulates support shelves and fixed handle link position.
The beneficial effects of the utility model are: on flexible handle, arrange and place restrictions on the displacement that mechanism has also just placed restrictions on the relative flexible handles of support shelves, thereby define the angle that the relative fixed handle of flexible handle opens, preventing that flexible handle opening angle from too greatly cannot one holding closes, more laborsaving.
Accompanying drawing explanation
Fig. 1 is a kind of expanded configuration schematic diagram of the utility model;
Fig. 2 is a kind of cutaway view that closes up of the utility model;
Fig. 3 is a kind of schematic diagram that closes up of the utility model;
Fig. 4 is a kind of initial state schematic diagram that opens of the utility model;
In figure: 1, flexible handle, 2, first component, 3, mounting hole, 4, flexible handle rivet, 5, movable binding clip rivet, 6, movable binding clip, 7, fixed pliers head, 8, center rivet, 9, fixed handle, 10, adjustment screw, 11, support shelves, 12, place restrictions on axle, 13, extension spring.
The specific embodiment
Below by specific embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: a kind of locking pliers (referring to accompanying drawing 1 accompanying drawing 2), comprise fixed handle 7 and flexible handle 1, flexible handle end is hinged with movable binding clip 6 by movable binding clip rivet 5, fixed handle end is connected with fixed pliers head 7, between movable binding clip and fixed handle, by center rivet 8, be hinged, between movable binding clip and fixed handle, be connected with extension spring 13.
The cross section of flexible handle and fixed handle is all flute profile, in the flute profile of flexible handle, by flexible handle rivet 4, is hinged with first component 2.The hinged position of the position that first component and flexible handle are hinged and flexible handle and movable binding clip is separated, and the length of flexible handle is greater than the length of first component.Between first component and fixed handle, be connected with support shelves 11, one end of support shelves and the middle part of first component are hinged by placing restrictions on axle, and the other end of support shelves is inserted in the flute profile of fixed handle.The tail end of fixed handle is bolted with adjusting screw(rod) 10, and the end of adjusting screw(rod) contacts with the end of support shelves, the position of the end of rotating adjusting screw(rod) and be adjustable support shelves in fixed handle flute profile.
On flexible handle, be provided with mounting hole 3, the position of mounting hole is corresponding with the position of placing restrictions on axle, places restrictions on axle and is inserted in mounting hole.Laborsaving locking pliers when unclamping shape, place restrictions on axle in mounting hole the one end towards fixed handle; Laborsaving locking pliers when clamping shape, place restrictions on axle in mounting hole the one end away from fixed handle.
Rotate flexible handle, make flexible handle rotate and draw close to fixed handle around movable binding clip rivet, flexible handle promotes support shelves and rotates around placing restrictions on axle, places restrictions on axle simultaneously and towards mounting hole, away from one end of fixed handle, moves towards one end of fixed handle from mounting hole.Now flexible handle rivet is in movable binding clip rivet and the left lateral position of placing restrictions on axle line, until flexible handle rivet is crossed movable binding clip rivet, also arrive the right lateral position of this line with the line of placing restrictions on axle, now laborsaving locking pliers clamps shape (referring to accompanying drawing 3) in self-locking.
Rotate flexible handle, flexible handle and fixed handle are opened, now place restrictions on axle and away from one end of fixed handle, towards mounting hole, near one end of fixed handle, move (referring to accompanying drawing 4) from mounting hole, then flexible handle rivet forwards the left lateral position of this line to from movable binding clip rivet and the right lateral position of placing restrictions on the line of axle, then under the effect of extension spring, movable binding clip opens, flexible handle also opens automatically, until place restrictions on axle, reach kidney-shaped near one end of fixed handle, now flexible handle and fixed handle opening angle are maximum.
Above-described embodiment is a kind of preferred version of the present utility model, not the utility model is done to any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technical scheme that claim records.
Claims (10)
1. a locking pliers, comprise fixed handle (9) and flexible handle (1), flexible handle end is hinged with movable binding clip (6), fixed handle end is connected with fixed pliers head (7), movable binding clip and fixed handle are hinged, it is characterized in that being connected with elastic component between movable binding clip and fixed handle, between flexible handle and fixed handle, be connected with support shelves (11), on flexible handle, be provided with and place restrictions on the mechanism that places restrictions on that support gear moves.
2. locking pliers according to claim 1, is characterized in that being provided with mounting hole (3) on flexible handle, and the end of support shelves is connected with places restrictions on axle (12), places restrictions on the axle formation that matches with mounting hole and places restrictions on mechanism.
3. locking pliers according to claim 2, is characterized in that placing restrictions on axle in mounting hole during towards one end of fixed handle, and laborsaving locking pliers is in unclamping shape; Place restrictions on axle in mounting hole during away from one end of fixed handle, laborsaving locking pliers is in clamping shape.
4. according to the locking pliers described in claim 1 or 2 or 3, it is characterized in that being hinged with first component (2) in flexible handle, support shelves are hinged with first component, and this hinged position is in places restrictions on the corresponding position of mechanism.
5. locking pliers according to claim 4, is characterized in that it is to realize by placing restrictions on axle that support shelves are hinged with first component, and support shelves are by placing restrictions on axle and first component is hinged.
6. locking pliers according to claim 4, is characterized in that the cross section of flexible handle is flute profile, and the opening of flute profile is towards fixed handle, and first component is articulated with in the groove of flexible handle.
7. locking pliers according to claim 4, is characterized in that the hinged position of position that first component and flexible handle are hinged and flexible handle and movable binding clip is separated.
8. locking pliers according to claim 4, is characterized in that the length of flexible handle is greater than the length of first component.
9. locking pliers according to claim 4, it is characterized in that in flexible handle rotation process, the point that support shelves and first component are hinged can be crossed the line of the pin joint of first component and flexible handle and the pin joint of flexible handle and movable binding clip composition, flexible handle is drawn close and is crossed this line to fixed handle and just completes adjustable clamp head clamping, and flexible handle is away from fixed handle and cross this line and just completed movable binding clip and unclamp.
10. according to the locking pliers described in claim 1 or 2 or 3, the tail end that it is characterized in that fixed handle is bolted with the adjusting screw(rod) (10) that regulates support shelves and fixed handle link position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420313131.0U CN203973428U (en) | 2014-06-13 | 2014-06-13 | Locking pliers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420313131.0U CN203973428U (en) | 2014-06-13 | 2014-06-13 | Locking pliers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203973428U true CN203973428U (en) | 2014-12-03 |
Family
ID=51970912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420313131.0U Expired - Lifetime CN203973428U (en) | 2014-06-13 | 2014-06-13 | Locking pliers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203973428U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106141947A (en) * | 2015-04-15 | 2016-11-23 | 杭州巨星工具有限公司 | A kind of hand-operated tools |
| CN109129233A (en) * | 2018-08-10 | 2019-01-04 | 杭州巨星科技股份有限公司 | A kind of quick locking pliers |
-
2014
- 2014-06-13 CN CN201420313131.0U patent/CN203973428U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106141947A (en) * | 2015-04-15 | 2016-11-23 | 杭州巨星工具有限公司 | A kind of hand-operated tools |
| CN109129233A (en) * | 2018-08-10 | 2019-01-04 | 杭州巨星科技股份有限公司 | A kind of quick locking pliers |
| CN109129233B (en) * | 2018-08-10 | 2024-05-24 | 杭州巨星科技股份有限公司 | Quick locking pliers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141203 |
|
| CX01 | Expiry of patent term |