CN208913907U - A kind of laborsaving quick locking pliers - Google Patents
A kind of laborsaving quick locking pliers Download PDFInfo
- Publication number
- CN208913907U CN208913907U CN201821288325.4U CN201821288325U CN208913907U CN 208913907 U CN208913907 U CN 208913907U CN 201821288325 U CN201821288325 U CN 201821288325U CN 208913907 U CN208913907 U CN 208913907U
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- handle
- control handle
- flexible
- pin shaft
- fixed
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- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000004323 axial length Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
Abstract
The utility model relates to a kind of laborsaving quick locking pliers, including 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 and are connected with elastic component, and support shelves are connected between flexible handle and fixed handle；It further include the control handle and unlocking knob being hinged with flexible handle.After unlocking knob unlock, control handle energy is rotated relative to flexible handle, and control handle and flexible handle form two bar rod structures, at this time can be with small power come so that the relatively fixed handle opening of flexible handle, reaches labour-saving effect.
Description
Technical field
The utility model relates to a kind of tool tongs, especially a kind of to open the steady and laborsaving quick locking pliers in labour-saving.
Background technique
Locking pliers, English name locking pliers are mainly used for holding parts, and jaw can be locked and be generated very big
Clamping force, make be clamped part will not loosen, holding parts are riveted, welding, grinding etc. processing.
Locking pliers clamping is the position that the straight line that three pivoting points form in the so-called line of force is crossed when rotating by flexible handle
It sets to form self-locking structure.It therefore is the self-locking knot reversely crossed this straight line, and destroy locking pliers when opening locking pliers
Structure, but existing this self-locking destroy all is directly to be realized by external force, handle, which is opened, needs biggish power, Ms or general
Logical man is difficult to operate, and during opening, handle is easily bounced, and is easy to hurt hand, even holds incessantly locking pliers sometimes
And fall, there are security risks.
Summary of the invention
The utility model provides a kind of laborsaving quick locking pliers, and flexible handle is controlled in the form of two bar bars and is turned
It is dynamic, and then self-locking state is destroyed, compared to flexible handle is directly opened, the strength used is small, reaches labor-saving effect.
The utility model the specific technical proposal is: a kind of laborsaving quick locking pliers, including fixed handle and flexible handle,
Flexible handle end is hinged with movable binding clip, and fixed handle end is connected with fixed pliers head, and movable binding clip is mutually cut with scissors with fixed handle
Elastic component is connect and be connected with, support shelves are connected between flexible handle and fixed handle；
Further include the control handle being hinged with flexible handle, flexible handle is controlled by control handle；
It further include unlocking knob, unlocking knob is connected with control handle, and the position for changing unlocking knob relation control handle to control
Handle energy manipulation activities handle and the angle for changing the relatively fixed handle of flexible handle, to realize unlock.
Control handle is hinged with flexible handle, indicates that control handle can be rotated relative to flexible handle around hinge point, control
Rotation between handle and flexible handle processed be after being unlocked by unlocking knob, unlocking knob does not unlock, and control handle can only drive work
Fixed handle moves together, that is to say, that control handle controls flexible handle；The effect of unlocking knob is exactly to lock control handle and activity
Handle rotate control handle and flexible handle integral type or control handle can relative to flexible handle, this structure type ratio
Pin pin hole formula that is more, such as pressing, pin passes through flexible handle and control handle locks control handle and flexible handle,
Or pin card slot formula or pin chute formula, it can also be button sliding slot formula, as long as manipulation can be passed through
Unlocking knob generates two states, a kind of state be control handle can opposite flexible handle rotation, another state is control handle
It is integral type with flexible handle.Control handle can be rotated relative to flexible handle, and control handle and flexible handle form two bar rod structures,
It at this time can be with small power come so that the relatively fixed handle opening of flexible handle, reaches labour-saving effect.
It is unlocked by unlocking knob, there are many schemes, the first scheme: being provided with long lumbar hole on control handle, activity
It is provided with sliding slot on handle, bayonet lock is equipped on unlocking knob, bayonet lock both ends reach outside unlocking knob and pass through one straight cutting of long lumbar hole
Enter into sliding slot.Unlocking knob is manipulated, so that bayonet lock is moved along long lumbar hole, while sliding slot no longer limits the rotation of bayonet lock
System, that is, control handle can be rotated relative to flexible handle at this time.
Preferably, hinged by the first pin shaft between flexible handle and control handle, sliding slot includes interconnected transverse direction
Slot and longitudinal slot, wherein the extension line of long lumbar hole and transverse groove passes through the axle center of the first pin shaft, and wherein longitudinal slot is with first
Pin shaft axle center is the arc-shaped of the center of circle.When controlling unlocking knob, bayonet lock moves in long lumbar hole, while also moving in transverse groove
Dynamic, mobile bayonet lock rear in place enters longitudinal slot, and control handle can be rotated relative to flexible handle at this time, and longitudinal slot does not carry out bayonet lock
Limitation.
Preferably, being hinged between flexible handle and movable binding clip by the second pin shaft, shelves one end and flexible handle are supportted
Between be hinged by third pin shaft, the support shelves other end is abutted against with fixed handle, and third pin shaft, which is crossed, supports shelves and fixed handle
Tie point and the first pin shaft between line come complete clamp and unlock.
Preferably, between flexible handle and control handle by the first pin shaft it is hinged, third pin shaft be in the first pin shaft with
Between second pin shaft, support shelves avoid the first pin shaft.
Preferably, one end of flexible handle connection control handle is connecting groove structure, the bottom of link slot is vacancy, unlock
Button is set to vacancy；Reset spring is connected between unlocking knob and flexible handle.Reset spring resets unlocking knob, simultaneously
But also control handle is resetted with respect to flexible handle.
The second scheme of unlocking knob: unlocking knob includes the button of backing pin and control backing pin movement, is provided on control handle
Pin hole, backing pin are inserted in pin hole, and backing pin is connected with reset spring, and the end of flexible handle connection control handle is provided with button
Hole, button insertion with button hole in；Backing pin is in pin hole, and control handle can be rotated relative to flexible handle, backing pin be in pin hole with
Between button hole, control handle is connected with flexible handle.
Preferably, the end of flexible handle connection control handle is provided with reduction torsion spring, reduction torsion spring connects with control handle
Touching.
Preferably, the side of support shelves towards control handle is provided with the top of protrusion, corresponding position is fixed on control handle
Jacking block, jacking block are in contact with top.After unlocking knob unlock, control handle is wanted to rotate relative to flexible handle, needs to control handle one
A fulcrum, the top of support shelves protrusion are exactly the fulcrum, and control handle is matched with the top of protrusion and be may be rotated；In order to control
Handle processed is protected, and jacking block is fixed on control handle, by being in contact at the top of jacking block and support shelves, if there is abrasion, replaces jacking block
Or support shelves.
Preferably, the tail end of fixed handle is bolted with the adjusting screw rod for adjusting support shelves and fixed handle link position.
The beneficial effects of the utility model are: after unlocking knob unlock, control handle can opposite flexible handle rotate, control handle and
Flexible handle forms two bar rod structures, at this time can be with small power come so that the relatively fixed handle opening of flexible handle, reaches
Labour-saving effect.
Detailed description of the invention
Fig. 1 is one structural schematic diagram of the utility model example；
Fig. 2 is the A-A cross-sectional view of structure shown in the utility model Fig. 1；
Fig. 3 is the side view of the utility model example one；
Fig. 4 is the B-B cross-sectional view of structure shown in the utility model Fig. 3；
Fig. 5 is the flexible handle structural schematic diagram of the utility model example one；
Fig. 6 is the structural schematic diagram of the utility model example two；
Fig. 7 is the status diagram of control handle and flexible handle locking in two structure of the utility model example；
Fig. 8 is the status diagram of control handle and flexible handle unlock in two structure of the utility model example；
In figure: 1, adjusting screw, 2, fixed handle, 3, elastic component, 4, fixed pliers head, 5, movable binding clip, the 6, second pin shaft,
7, flexible handle, 8, third pin shaft, 9, briquetting, 10, bayonet lock, 11, long lumbar hole, 12, transverse groove, 13, longitudinal slot, 14, first
Pin shaft, 15, jacking block, 16, control handle, 17, top, 18, reset spring, 19, vacancy, 20, button, 21, reduction torsion spring, 22, gear
Pin, 23, pin hole, 24, button hole.
Specific embodiment
Below by specific embodiment, and in conjunction with attached drawing, the utility model will be further described.
Example one:
As shown in Figures 1 to 5, a kind of laborsaving quick locking pliers, including fixed handle 2 and flexible handle 7, movable hand pommel
Portion is hinged with movable binding clip 5 by the second pin shaft 6, and fixed handle end is connected with fixed pliers head 4, movable binding clip and fixed handle
It is hinged and is connected with elastic component 3, support shelves are connected between flexible handle and fixed handle.Under the action of the elastic member, movable
Binding clip, which has, to be rotated relative to fixed binding clip and opens the trend of jaw.The cross section of flexible handle and fixed handle is in a groove shape,
Shelves structure in the form of sheets is supportted, the one end for supportting shelves is inserted into flexible handle and is hinged by third pin shaft 8 with flexible handle, supports shelves
The other end be inserted into fixed handle, the tail end of fixed handle is bolted with adjusting screw rod 1, the end of adjusting screw rod and support shelves
End is in contact, and rotation adjusting screw rod is position of the end of adjustable support shelves in fixed handle flute profile.
One end of flexible handle is connecting groove structure, and the bottom of link slot is vacancy 19, is provided with unlocking knob in vacancy.Even
Access slot end is hinged between control handle and flexible handle by the first pin shaft 14 inserted with control handle 16, so that control handle can be with
It is rotated around the first pin shaft relative to flexible handle.It is provided with long lumbar hole 11 on control handle, sliding slot, sliding slot packet are provided on flexible handle
Interconnected transverse groove 12 and longitudinal slot 13 are included, wherein the extension line of long lumbar hole and transverse groove passes through the axis of the first pin shaft
The heart, wherein longitudinal slot is using the first pin shaft axle center as the arc-shaped of the center of circle.Unlocking knob includes briquetting 9, is equipped in briquetting
Bayonet lock 10, bayonet lock both ends reach outside briquetting and pass through long lumbar hole and are inserted into sliding slot always.On flexible handle, third pin shaft
Between the first pin shaft and the second pin shaft, support shelves by third pin shaft it is hinged after, support shelves avoid the first pin shaft.Control handle and work
The end position of fixed handle connection is fixed with jacking block 15, and the side of support shelves towards jacking block is provided with the top 17 of protrusion.Briquetting
Reset spring 18 is connected in the link slot of flexible handle, between briquetting and flexible handle, under the action of reset spring,
Briquetting is in the one end of transverse groove far from the first pin shaft with bayonet lock always, and control handle and flexible handle are linked together knot at this time
Structure.The position of end of the position and support shelves of the second pin shaft of flexible handle in fixed handle is to become with the rotation of movable binding clip
The position of change state, end of the position and support shelves of third pin shaft in fixed handle is the end positions for supportting shelves, with activity
The rotation of handle, the second pin shaft, third pin shaft, support shelves are changed, work between the position of the end in fixed handle
It is hinged between dynamic binding clip and fixed handle, this articulated position and the second pin shaft, third pin shaft form a triangle, support shelves
If the active force generated to flexible handle, the direction that i.e. support shelves are applied to the power on third pin shaft pass through two of movable binding clip
Position between hinge joint then supports shelves and pushes flexible handle, so that flexible handle driving activity binding clip is mutually clamped with fixed pliers head.
If the position on movable binding clip between two hinge joints is deflected away from the direction for the power that support shelves are applied on third pin shaft, to support
Shelves can not provide support to flexible handle, and at this time under the action of the elastic member, movable binding clip is rotated and opened relative to fixed handle
Jaw.
The working method of lower the present embodiment is detailed below, under normal circumstances, effect of the briquetting in reset spring 18
Under, briquetting is in the position (orientation of Fig. 5) of transverse groove left end with bayonet lock, and control handle cannot turn with respect to flexible handle at this time
Dynamic, control handle is structure as a whole with flexible handle, holds control handle and fixed handle, and movable binding clip and fixed pliers head close up realization
It clamps.When needing jaw to open, press briquetting, briquetting overcomes the active force of reset spring, bayonet lock along transverse groove to
The upper end position of longitudinal slot is moved right and enters, control handle can be rotated relative to flexible handle at this time, held control handle and consolidated
Determine handle, is in contact at the top of the jacking block and support shelves of control handle, while control handle is rotated around top, in rotation process, activity
Handle is rotated around the second pin shaft, and in flexible handle rotation process, third pin shaft gradually crosses the second pin shaft and supports shelves lower end
Line and the left side for being in the line, at this point, support shelves cannot provide support force to flexible handle, it is under the action of the elastic member, living
Dynamic binding clip is rotated relative to fixed binding clip, and jaw opens, and releases the control handle, under the action of reset spring, bayonet lock resets to transverse direction
The left position of slot, control handle are locked again with flexible handle and are an integral structure.
Example two:
As shown in Figure 6 to 8, a kind of laborsaving quick locking pliers, with example one the difference is that: control handle and flexible handle
Between unlock it is different.Flexible handle is bathtub construction, and control handle is inserted into flexible handle and is hinged by the first pin shaft,
The one side wall of flexible handle lower end link slot is provided with button hole 24, and control handle upper end is provided with pin hole 23, and pin hole is inserted with gear
Pin 22, backing pin are cylinder, are provided with blind hole in backing pin, and one end of opening is inserted into pin hole, and closed one end is towards button
Hole side, the axial length of backing pin are less than or equal to the axial length of pin hole.It is provided with reset spring in the blind hole of backing pin, resets bullet
The closing side (left side in Fig. 7 Fig. 8) of spring and flexible handle link slot abuts against.The diameter of button hole is straight slightly larger than pin hole
Diameter, button hole is interior inserted with button 20, and the end of button is in contact with the closed end of backing pin.The end of flexible handle connection control handle
Portion is provided with reduction torsion spring 21, and reduction torsion spring is in contact with control handle.Remaining structure reference example one.
Under normal condition, under the action of reset spring, half is in pin hole backing pin, the other half is in button hole,
Control handle is connected as a single entity structure with flexible handle at this time, and control handle cannot be rotated relative to flexible handle.Push button, button push away
Dynamic backing pin, so that backing pin is completely in pin hole, control handle can be rotated relative to flexible handle at this time, realize unlock.
The above is only the preferred embodiment of the utility model, not imposes any restrictions to the utility model, all
According to the utility model technical spirit any simple modification, change and equivalent transformation to the above embodiments, still fall within
The protection scope of technical solutions of the utility model.
Claims (10)
1. a kind of laborsaving quick locking pliers, it is characterised in that including fixed handle and flexible handle, flexible handle end is hinged with
Movable binding clip, fixed handle end are connected with fixed pliers head, and movable binding clip and fixed handle are hinged and are connected with elastic component, living
Support shelves are connected between fixed handle and fixed handle；
Further include the control handle being hinged with flexible handle, flexible handle is controlled by control handle；
It further include unlocking knob, unlocking knob is connected with control handle, and the position for changing unlocking knob relation control handle enables control handle
Manipulation activities handle and the angle for changing the relatively fixed handle of flexible handle, to realize unlock.
2. the laborsaving quick locking pliers of one kind according to claim 1, it is characterised in that long lumbar hole is provided on control handle, it is living
It is provided with sliding slot on fixed handle, bayonet lock is equipped on unlocking knob, bayonet lock both ends reach outside unlocking knob and pass through long lumbar hole always
It is inserted into sliding slot.
3. the laborsaving quick locking pliers of one kind according to claim 2, it is characterised in that lead between flexible handle and control handle
Cross that the first pin shaft is hinged, sliding slot includes interconnected transverse groove and longitudinal slot, and wherein the extension line of long lumbar hole and transverse groove is equal
By the axle center of the first pin shaft, wherein longitudinal slot is using the first pin shaft axle center as the arc-shaped of the center of circle.
4. the laborsaving quick locking pliers of one kind according to claim 1 or 2 or 3, it is characterised in that flexible handle and adjustable clamp
It is hinged between head by the second pin shaft, supports and be hinged between shelves one end and flexible handle by third pin shaft, support the shelves other end
It is abutted against with fixed handle, third pin shaft crosses the line between support shelves and the tie point and the first pin shaft of fixed handle to complete
It clamps and unlocks.
5. the laborsaving quick locking pliers of one kind according to claim 4, it is characterised in that lead between flexible handle and control handle
It is hinged to cross the first pin shaft, third pin shaft is between the first pin shaft and the second pin shaft, and support shelves avoid the first pin shaft.
6. the laborsaving quick locking pliers of one kind according to claim 1 or 2 or 3, it is characterised in that fixed handle connects control handle
One end be connecting groove structure, the bottom of link slot is vacancy, and unlocking knob is set to vacancy；Between unlocking knob and flexible handle
It is connected with reset spring.
7. the laborsaving quick locking pliers of one kind according to claim 1, it is characterised in that unlocking knob includes backing pin and control gear
Mobile button is sold, is provided with pin hole on control handle, backing pin is inserted in pin hole, and backing pin is connected with reset spring, flexible handle
The end of connection control handle is provided with button hole, button insertion in button hole；Backing pin is in pin hole, and control handle can live relatively
Fixed handle rotation, backing pin are between pin hole and button hole, and control handle is connected with flexible handle.
8. the laborsaving quick locking pliers of one kind according to claim 1 or claim 7, it is characterised in that flexible handle connects control handle
End is provided with reduction torsion spring, and reduction torsion spring is in contact with control handle.
9. the laborsaving quick locking pliers of one kind described according to claim 1 or 2 or 3 or 7, it is characterised in that support shelves towards control handle
Side be provided with the top of protrusion, corresponding position is fixed with jacking block on control handle, and jacking block is in contact with top.
10. according to the laborsaving quick locking pliers of one kind described according to claim 1 or 2 or 3 or 7, it is characterised in that fixed handle
Tail end be bolted with adjust support shelves and fixed handle link position adjusting screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821288325.4U CN208913907U (en) | 2018-08-10 | 2018-08-10 | A kind of laborsaving quick locking pliers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821288325.4U CN208913907U (en) | 2018-08-10 | 2018-08-10 | A kind of laborsaving quick locking pliers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208913907U true CN208913907U (en) | 2019-05-31 |
Family
ID=66702927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821288325.4U Withdrawn - After Issue CN208913907U (en) | 2018-08-10 | 2018-08-10 | A kind of laborsaving quick locking pliers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208913907U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113498368A (en) * | 2019-07-17 | 2021-10-12 | 株式会社布瑞林尚上 | Locking pliers |
-
2018
- 2018-08-10 CN CN201821288325.4U patent/CN208913907U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113498368A (en) * | 2019-07-17 | 2021-10-12 | 株式会社布瑞林尚上 | Locking pliers |
| CN113498368B (en) * | 2019-07-17 | 2023-02-17 | 株式会社布瑞林尚上 | Locking pliers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190531 Effective date of abandoning: 20240524 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190531 Effective date of abandoning: 20240524 |