CN206632885U

CN206632885U - A kind of ratchet mechanism and a kind of ratchet wheel clamp of misplace locking and release

Info

Publication number: CN206632885U
Application number: CN201720007124.1U
Authority: CN
Inventors: 李跃明
Original assignee: Hangzhou Great Star Industrial Co Ltd
Current assignee: Hangzhou Lianhe Tool Manufacturing Co., Ltd.
Priority date: 2017-01-04
Filing date: 2017-01-04
Publication date: 2017-11-14
Anticipated expiration: 2027-01-04

Abstract

The utility model discloses a kind of ratchet mechanism and a kind of ratchet wheel clamp of misplace locking and release, open or close relatively including being mutually pivotally connected by connecting shaft with the first jig arm and the second jig arm, and ratchet assemblies, wobble component and control assembly are provided between the first jig arm and the second jig arm；Ratchet assemblies, which have, to be arranged side by side and multiple first ratchets of mutual dislocation and multiple second ratchets；Wobble component is relatively distant from or drawn close using connecting shaft as axis of rotation with ratchet assemblies；The clamping piece of control assembly has at least the first ratchet and at least the second ratchet, the pull piece of control assembly moves to stir clamping piece, when clamping piece is moved to the position of engagement, first ratchet and the second ratchet are engaged in corresponding first ratchet and the second ratchet respectively, when clamping piece is displaced to off-position, the first ratchet and the second spine grab and are respectively further from corresponding first ratchet and the second ratchet.Designed by the ratchet of mutual dislocation arrangement, can not have to reduce tooth form, so as to increase structural strength.

Description

A kind of ratchet mechanism and a kind of ratchet wheel clamp of misplace locking and release

Technical field

Hand-operated tools field is the utility model is related to, the more particularly to a kind of ratchet mechanism and one kind of misplace locking and release Ratchet wheel clamp.

Background technology

Hand tools refers to hold with a hand, with manpower or with other dynamic actions of people's control in the small instruments and tools of object, It is used for cutting by hand and auxiliary finishing, and generally with handle, the pliers that is easy to carry is a kind of conventional hand tools, is used In clamping, fixed workpieces processing or torsion, bending, cut tinsel.Wherein it is used for the pincers for clamping, fixing workpieces processing Son, also known as clamp or folder.

The profile of clamp or folder is typically V-shaped, partly overlapping generally by the mutually symmetrical with clamp of two chip architectures, moulding And formed through stake-fastening.Folder can flexibly open conjunction as fulcrum using its riveted tie point, and its design includes lever principle, thus may be used Less external force (hand-power being such as applied in jig arm) is changed into chucking power larger at dop so that folder can be pressed from both sides effectively Hold.

Due to being not provided with locking the mechanism of jig arm position, when clamping object, people on folder in the prior art manually Hand must keep to folder apply a larger power, until clamping task complete.It is so not only laborious but also time-consuming, and clamp It is unreliable.To this, United States Patent (USP) " Vise-Grip or Expanding the Pliers " (patent No.s：US6708587B1) provide A kind of technical scheme of position using ratchet locking jig arm, it sets the part with ratchet respectively in two jig arm, its In the jig arm that is connected relative to it of a part it is immovable so that a part can rotate relative to the jig arm of its connection, two Ratchet on part is mutually harmonious engagement, and two groups of intermeshing ratchets are arranged to the motion for allowing two jig arm opposite and hindered The motion that two jig arm mutually deviate from；And an actuation part is set in the outside of some jig arm (its side away from another jig arm) Part, in particular one can automatically reset button：Actuated components are connected to by locking member can be relative to the folder of its connection On the part with ratchet that arm rotates, to control whether the part with ratchet engages another part with ratchet.

During using the folder, when user applies a pair of opposite power (i.e. directions for the power that a jig arm is subject to two jig arm To point to another jig arm), locking member keeps two groups of ratchets to intermesh, and shifting that can be relative to each other occurs for two groups of ratchets It is dynamic, thus allow two jig arm that motion toward each other occurs, then motion toward each other occurs for two dop parts to clamp Firmly need clamped object；When the opposing forces that object is clamped, and user's revocation applies to two jig arm, locking member is kept Two groups of ratchets are intermeshed, and two groups of ratchets can not be moved relative to each other, and thus dop keeps clamp position；When user presses Actuated components simultaneously apply a pair of reverse power (i.e. the direction for the power that a jig arm is subject to is away from another jig arm) to two jig arm, Locking member is opened, and chucking power is discharged at least in part, and two groups of ratchets no longer intermesh, and thus allows two jig arm to occur Motion reversely with each other, then two dop parts motion reversely with each other occurs to discharge clamped object.

But because the actuated components of the folder of the prior art are arranged on the outside of one jig arm, it is clamped in release Object when, user is needed to press actuated components, it can be appreciated that user is needed when pressing actuated components to where actuated components Jig arm apply the power for pointing to another jig arm, the direction of the power is that the hand for gripping it is applied in actuation process twice with the jig arm The active force added it is in opposite direction, therefore such operation is not smoothly and more laborious.

Therefore, those skilled in the art be directed to developing a kind of ratchet wheel clamp with self-locking with allow user can smoothly and Effortlessly operated.

Utility model content

In view of the above-mentioned scarce limit of prior art, technical problem to be solved in the utility model is that existing ratchet wheel clamp allows User when discharging ratchet wheel clamp not smoothly and laborious situation.

To achieve the above object, the utility model provides a kind of ratchet mechanism of misplace locking and release, including：

Ratchet assemblies, including one or more racks, each rack have multiple ratchets, on the different racks The ratchet be arranged side by side and mutual dislocation；With

Control piece, there is fastening part and trigger portion, the fastening part has one or more ratchets, each ratchet tool There are one or more ratchets, the ratchet on the different ratchets is arranged side by side and mutual dislocation；The trigger portion to Stir the control piece so that the ratchet of the fastening part in the position of engagement and is released with the rack of the ratchet assemblies Put and move between position；

When the fastening part is moved to the position of engagement, one or more spine only on a rack The ratchet of tooth and corresponding one or more ratchet engagements, remaining described rack and the corresponding ratchet is not Engagement, when the fastening part is moved to the off-position, all racks and the ratchet discharge simultaneously.

Further, the control piece is component, including clamping piece and pull piece, the pull piece have protuberance, the card Product has depressed part, and the protuberance is to the insertion depressed part, and when the pull piece swing offset, the protuberance exists The clamping piece swing offset is stirred in the depressed part.

The utility model additionally provides a kind of ratchet wheel clamp, including the first jig arm, the second jig arm and ratchet mechanism, and described first Jig arm and second jig arm are mutually pivotally connected by connecting shaft opens or closes and relative, and the ratchet mechanism is arranged on described the Between one jig arm and second jig arm, the ratchet mechanism includes：Ratchet assemblies, it is arranged in first jig arm, it is described Ratchet assemblies have multiple first ratchets and multiple second ratchets, and the multiple first ratchet and the multiple second ratchet are side by side Setting and mutual dislocation；Wobble component, it is arranged in second jig arm, first jig arm and second jig arm are with described Connecting shaft drives the wobble component and the ratchet assemblies to be relatively distant from or draw close respectively as axis of rotation；And control Component, has at least one clamping piece and at least one pull piece, and the clamping piece is rotatably articulated in the wobble component, institute Stating clamping piece, there is at least one first ratchet and at least one second ratchet, the plate to be rotatably articulated in the swing Component, the pull piece move to stir the clamping piece between the position of engagement and off-position, when the clamping piece moves During to the position of engagement, first ratchet and second ratchet be engaged in respectively corresponding to the multiple first ratchet and The multiple second ratchet, when the clamping piece is displaced to the off-position, first ratchet and second spine grab The multiple first ratchet and the multiple second ratchet corresponding to being respectively further from.

Further, the connecting bushing is provided with torsion spring, and the end of torsion spring two supports in first jig arm and institute respectively The second jig arm is stated, first jig arm and second jig arm are maintained at deployed position by the elastic force of the torsion spring and normality, The wobble component is articulated in second jig arm with first axle, by wobble component described in the first axle stopper with institute The movement of the second jig arm is stated, the ratchet assemblies are articulated in first jig arm with the second axle and the 3rd axle, pass through described second Ratchet assemblies described in axle and the 3rd axle stopper move with first jig arm.

Further, the wobble component includes：Guide groove, the side of the wobble component is formed at, with for the spine Tooth assembly is slid in wherein, and the ratchet assemblies are shaped as arc strip, ratchet assemblies described in the form fit of the guide groove Shape so that the ratchet assemblies are slid among the guide groove with curved path；Storage tank, it is formed at the wobble component Opposite side, be hubbed at wherein with for the control assembly；And perforate, be opened in the guide groove with hold the storage tank it Between, mutually led to for the guide groove and the storage tank, when the ratchet assemblies are placed in the guide groove, the multiple One ratchet and the multiple second ratchet are stretched out in the storage tank by the perforate so that the multiple first ratchet Correspond to second ratchet corresponding to first ratchet and the multiple second ratchet.

Further, the ratchet assemblies include：First rack, the multiple first ratchet are arranged on first rack On；And second rack, second rack are mutually juxtaposed with first rack, the multiple second ratchet is arranged on described On second rack, first rack and all curved strip of second rack, first rack and second rack Center of arc's point and the center of circle of the connecting shaft overlap.

Further, the multiple first ratchet has the first ratchet tip and the first ratchet slot end respectively, the multiple Second ratchet has the second ratchet tip and a second ratchet slot end respectively, and each first ratchet is sophisticated with each second ratchet Groove end is mutually juxtaposed, and each first ratchet slot end is mutually juxtaposed with the second ratchet tip.

Further, the control assembly includes：First pull piece；Second pull piece, first pull piece and described second is pulled Part is articulated in wobble component by the 4th axle respectively, driven respectively using the 4th axle as pivot first pull piece and The second pull piece swing offset；First clamping piece, first ratchet are arranged on first clamping piece；And second card Product, second ratchet are arranged on second clamping piece, and first clamping piece and second clamping piece lead to respectively The 5th axle is crossed to be articulated on the wobble component, driven respectively using the 5th axle as pivot first clamping piece and The second clamping piece swing offset.

Further, first pull piece has the first protuberance, recessed to be embedded in the first of first clamping piece The portion of falling into, second pull piece has the second protuberance, to be embedded in the second depressed part of second clamping piece, described first When pull piece and the second pull piece swing offset, first protuberance stirs first blocking in first depressed part Part swing offset, second protuberance stir the second clamping piece swing offset in second depressed part.

Further, first clamping piece further includes the multiple first ratchet, and second clamping piece further includes institute Multiple second ratchets are stated, when first clamping piece and second clamping piece are mutually juxtaposed setting so that the multiple first Ratchet and the multiple second ratchet mutual dislocation arrangement, the multiple first ratchet have the first ratchet tip and first respectively Pawl slot end, the multiple second ratchet have the second ratchet tip and the second pawl slot end, each first ratchet point respectively End is mutually juxtaposed with each second pawl slot end, and each first pawl slot end is mutually juxtaposed with the second ratchet tip.

Further, the ratchet assemblies have the first rack, the multiple first ratchet and the multiple second ratchet It is disposed side by side on respectively on first rack, the curved strip of the first rack, center of arc's point of first rack Overlapped with the center of circle of the connecting shaft.

Further, the control assembly includes：First pull piece, first pull piece are articulated in swing group by the 4th axle Part, first pull piece and the second pull piece swing offset are driven as pivot using the 4th axle respectively；And the One clamping piece, first ratchet and second ratchet are separately positioned on first clamping piece, first clamping piece It is articulated in by the 5th axle on the wobble component, first clamping piece is driven as pivot using the 5th axle respectively Swing offset, first pull piece have the first protuberance, described to be embedded in the first depressed part of first clamping piece During the first pull piece swing offset, first protuberance stirs the first clamping piece rotation position in first depressed part Move.

Further, first clamping piece further includes the multiple first ratchet and the multiple second ratchet, described Multiple first ratchets and the multiple second ratchet mutual dislocation arrangement, the multiple first ratchet have the first ratchet point respectively End and the first pawl slot end, the multiple second ratchet have the second ratchet tip and a second pawl slot end respectively, and described each the One ratchet is sophisticated to be mutually juxtaposed with each second pawl slot end, each first pawl slot end and the second ratchet tip phase Mutually side by side.

Further, the control assembly includes：First pull piece；Trigger member, it is disposed in parallel in the side of first pull piece Side and it is less than first pull piece, first pull piece and the trigger member are articulated in wobble component by the 4th axle respectively, with 4th axle drives first pull piece and the trigger member swing offset respectively for pivot；First clamping piece, institute The first ratchet is stated to be arranged on first clamping piece；And second clamping piece, second ratchet are arranged on second card On product, first clamping piece and second clamping piece are articulated on the wobble component by the 5th axle respectively, with institute State the 5th axle and drive first clamping piece and the second clamping piece swing offset respectively for pivot.

Further, first pull piece has the first protuberance, recessed to be embedded in the first of first clamping piece The portion of falling into, the trigger has trigger protuberance, to be embedded in the second depressed part of second clamping piece, first pull piece And during the trigger member swing offset, first protuberance stirs the first clamping piece rotation in first depressed part Displacement, the trigger protuberance stir the second clamping piece swing offset in second depressed part.

The utility model proposes ratchet wheel clamp, by two row side by side and mutual dislocation ratchet design, need not reduce On the premise of tooth form, double ratchet can be allowed all to keep original structural strength, and designed with the ratchet of double dislocation come volume The number of teeth of outer increase ratchet, backlash during so as to reduce engagement, to increase overall bridle joint area, forced in scattered on ratchet Power.To ensure that ratchet and ratchet can normally jump tooth when chucking power default value is reached, so as to control accurate clamping mechanism pair The degree of power is clamped, the problems such as tooth is collapsed in tooth, easy off normal or abrasion can not be smoothly jumped during avoiding chucking power from expiring.

Technical concept of the present utility model, embodiment are described in further detail below in conjunction with accompanying drawing.

Brief description of the drawings

Fig. 1 is the front view of the ratchet wheel clamp of first embodiment of the present utility model；

Fig. 2 is the profile of the ratchet wheel clamp of first embodiment of the present utility model；

Fig. 3 is the exploded view of the ratchet wheel clamp of first embodiment of the present utility model；

Fig. 4 is the ratchet assemblies of first embodiment of the present utility model and the exploded view of control assembly；

Fig. 5 is the ratchet assemblies of first embodiment of the present utility model and the mesh schematic representation of control assembly；

Fig. 6 and Fig. 7 is the action schematic diagram of the ratchet wheel clamp of first embodiment of the present utility model；

Fig. 8 is the ratchet assemblies of second embodiment of the present utility model and the exploded view of control assembly；

Fig. 9 is the ratchet assemblies of second embodiment of the present utility model and the mesh schematic representation of control assembly；

Figure 10 is the ratchet assemblies of 3rd embodiment of the present utility model and the exploded view of control assembly；

Figure 11 is the ratchet assemblies of 3rd embodiment of the present utility model and the mesh schematic representation of control assembly；

Figure 12 is the ratchet assemblies of fourth embodiment of the present utility model and the exploded view of control assembly；

Figure 13 is the ratchet assemblies of fourth embodiment of the present utility model and the mesh schematic representation of control assembly；

Figure 14 is the schematic diagram of the engagement side of dislocation retaining mechanism of the present utility model；

Figure 15 is the schematic diagram for releasing side of dislocation retaining mechanism of the present utility model；

Wherein,

10 clamping mechanisms

11 first jig arm

12 second jig arm

13 connecting shafts

131 torsion springs

14 jaws

15 first axles

16 second axles

17 the 3rd axles

18 the 4th axles

19 the 5th axles

20 wobble components

21 guide grooves

22 storage tanks

23 perforates

30 ratchet assemblies

31 first racks

311 first ratchets

The ratchets of 311a first tip

The first ratchet slots of 311b end

312 second ratchets

The ratchets of 312a second tip

The second ratchet slots of 312b end

32 second racks

321 second ratchets

The ratchets of 321a second tip

The second ratchet slots of 321b end

33 the 3rd racks

331 the 3rd ratchets

40 control assemblies

41 first pull pieces

411 first protuberances

412 first pull piece trigger ends

42 second pull pieces

421 second protuberances

43 first clamping pieces

431 first depressed parts

432 first ratchets

The ratchets of 432a first tip

The first pawl slots of 432b end

433 second ratchets

The ratchets of 433a second tip

The second pawl slots of 433b end

44 second clamping pieces

441 second depressed parts

442 second ratchets

The ratchets of 442a second tip

The second pawl slots of 442b end

45 trigger members

451 trigger protuberances

46 the 3rd clamping pieces

47 second trigger members

50 elastomeric elements.

Embodiment

Fig. 1 and Fig. 2 show the utility model proposes ratchet wheel clamp first embodiment construction include clamping mechanism and spine Take turns mechanism.Wherein, clamping mechanism 10 is connected with each other with the first jig arm 11 and the second jig arm 12 by connecting shaft 13, and is connected Axle sleeve is provided with torsion spring 131, and the end of torsion spring 131 2 supports in the first jig arm 11 and the second jig arm 12 respectively, and the first jig arm 11 and Two jig arm 12 then control jaw 14 to open or close with connecting shaft 13 for pivot.Specifically, when the first jig arm 11 of operation And second jig arm 12 close to when, may be such that jaw 14 is gradually reduced, and make the stress of torsion spring 131 and elastic deformation, then pass through Position where ratchet mechanism regular jaw 14, so that the first jig arm 11 and the second jig arm 12 produce required chucking power, thus Clamp the article such as workpiece etc.When operating the first jig arm 11 and the second jig arm 12 is relatively distant from, need first to enter ratchet mechanism Row releases engagement, by the elastic reset power of torsion spring 131 so that jaw 14 gradually expands, and clamped work is unclamped with this Part.

As shown in figure 3, ratchet mechanism includes wobble component 20, ratchet assemblies 30 and control assembly 40.Wherein, wobble component 20 are articulated in the second jig arm 12 with first axle 15, when the second jig arm 12 moves back and forth relative to the first jig arm 11, can pass through First axle 15 carrys out stopper wobble component 20 and follows the second displacement together of jig arm 12.

Wobble component 20 has guide groove 21, storage tank 22 and perforate 23.Guide groove 21 is formed at the side of wobble component 20, Slid with for ratchet assemblies 30 in wherein.Storage tank 22 is formed at the opposite side of wobble component 20, with for control assembly 40 It is hubbed at wherein.In addition, perforate 23 is opened between guide groove 21 and storage tank 22, with for guide groove 21 and the phase intercommunication of storage tank 22 Even.

As shown in Figures 4 and 5, ratchet assemblies 30 have the first rack 31 and the second rack 32 that are mutually juxtaposed, and the One rack 31 and all curved strip of the second rack 32, and make center of arc's point of two racks 31,32 and the center of circle of connecting shaft 13 Overlap, and the guide groove 21 of wobble component 20 also matches the arc strip of two racks 31,32, and cause the shape of guide groove 21 Arc shape is presented.So so that the first rack 31 and the second rack 32 can be all slid in wherein along guide groove 21.

The lateral arcs face of first rack 31 has multiple first ratchets 311, and the second rack 32 equally has in outside cambered surface There are multiple second ratchets 321.When the first rack 31 and the second rack 32 are mutually juxtaposed so that each first ratchet 311 and each the The mutual dislocation arrangement of two ratchet 321.Specifically, multiple first ratchets 311 have the first ratchet tip 311a and the first spine respectively Teeth groove end 311b, and multiple second ratchets 321 equally have the second ratchet tip 321a and the second ratchet slot end 321b respectively, and By the first ratchet tip 311a and be listed in the second ratchet slot end 321b, and the first ratchet slot end 311b then and be listed in the second ratchet point 321a is held, with this interlaced structure design so that the ratchet 311,321 of two racks 31,32 arranged side by side can be in mutual dislocation Arrangement.

When the first rack 31 of ratchet assemblies 30 and the second rack 32 are placed in guide groove 21 in the lump, two racks are may be such that 31st, 32 ratchet 311,321 is exposed in storage tank 22 by perforate 23.When the first rack 31 and the second rack 32 lead to respectively Cross the second axle 16 and the 3rd axle 17 is articulated in the first jig arm 11, can pass through the second axle 16 and the 3rd axle 17 carrys out stopper ratchet assemblies 30 and then the first displacements together of jig arm 11, and toward polyslip in the guide groove 21 of wobble component 20 so that two racks 31,32 Ratchet 311,321 can be respectively at moving back and forth in the lump in storage tank 22.

Control assembly 40 has the first pull piece 41, the second pull piece 42, the first clamping piece 43 and the second clamping piece 44.Wherein, First pull piece 41 and the second pull piece 42 are respectively in the storage tank 22 of wobble component 20, and the first pull piece 41 and the second pull piece 42 are articulated on wobble component 20 by the 4th axle 18 respectively, so that the 4th axle 18 is pivot and drives the first pull piece 41 respectively And second pull piece 42 carry out pulling displacement.In addition, there is the first protuberance 411 in the front end of the first pull piece 41, in the second pull piece 42 front end equally has the second protuberance 421.

First clamping piece 43 and the second clamping piece 44 are respectively in the storage tank 22 of wobble component 20, and the first blocking The clamping piece 44 of part 43 and second is articulated on wobble component by the 5th axle 19 respectively, with the 5th axle 19 for pivot and difference The first clamping piece 43 and the second clamping piece 44 is driven to be rotated.First clamping piece 43 has the first depressed part 431 and multiple the One ratchet 432, the first depressed part 431 is embedded in wherein with for the first protuberance 411 of the first pull piece 41, and each first ratchet 432 can be engaged among each first ratchet 311 of the first rack 31 respectively.

Second clamping piece 44 equally has the second depressed part 441 and multiple second ratchets 442, the second depressed part 441 to It is embedded in wherein for the second protuberance 421 of the second pull piece 42, and each second ratchet 442 can be then engaged in the second tooth respectively Among each second ratchet 321 of bar 32.

It is noted that when the first clamping piece 43 and the second clamping piece 44 are mutually juxtaposed so that each first ratchet 432 with Each mutual dislocation arrangement of second ratchet 442.Specifically, multiple first ratchets 432 have the first ratchet tip 432a and the respectively One pawl slot end 432b, and multiple second ratchets 442 equally have the second ratchet tip 442a and the second pawl slot end respectively 442b, and by the first ratchet tip 432a and be listed in the second pawl slot end 442b, and the first pawl slot end 432b then and is listed in Two ratchet tip 442a, with this interlaced structure design so that the multiple ratchets 432 of two clamping pieces 43,44 arranged side by side, 442 can be in mutual dislocation arrangement.

As shown in FIG. 6 and 7, when user operates the first jig arm 11 and the second jig arm 12 is relatively close and clamped by clamping Article when so that torsion spring 131 is extruded and elastic deformation by two jig arm 11,12, and makes the first ratchet 432 of the first clamping piece 43 Tooth can progressively be jumped and tightly engaged on the first ratchet of correspondence 311 of the first rack 31, likewise, the second of the second clamping piece 44 Ratchet 442 is also progressively jumped tooth and tightly engaged on the second ratchet of correspondence 321 of the second rack 32.At the same time, by elasticity The elastic force that part 50 provides, the first protuberance 411 of the first pull piece 41 stir the first clamping piece 43 in the first depressed part 431 Normality is maintained at the position of engagement.And the second protuberance 421 of the second pull piece 42 stirs equally in the second depressed part 441 The normality of two clamping piece 44 is maintained at the position of engagement.State is tightly engaged by two clamping pieces 43,44 and two racks 31,32, It may be such that the chucking power of two jig arm 11,12 is held up.

In order that ratchet mechanism is more stable reliable, set by the mutual dislocation arrangement of the first ratchet 311 and the second ratchet 321 Meter, then be aided with equally be Heterogeneous Permutation the first ratchet 432 and the second ratchet 442 be engaged.As shown in Figure 14 and Figure 15, nibble There was only a pair of ratchets and ratchet engagement when conjunction, another pair does not engage.It is this mutually wrong on the premise of jaw process is constant The ratchet design of position arrangement, it can not have to reduce tooth form, to increase structural strength.And designed by double dislocation ratchet, The number of teeth can additionally be increased, tooth angle degree is jumped to reduce spine move, so as to reduce backlash and increase structural strength, make integral retaining power big Width strengthens.

In addition, the ratchet design of mutual dislocation arrangement, may be such that the ratchet 432,442 of two clamping pieces 43,44 can be true respectively It is engaged in fact on the ratchet 311,321 of two racks 31,32, to ensure that ratchet 311,321 clamps with ratchet 432,442 in arrival Tooth can be normally jumped during power default value, so as to reach the degree that clamping mechanism 10 is accurately controlled clamping power, to avoid chucking power The problems such as tooth is collapsed in tooth, easy off normal or abrasion can not be smoothly jumped when at the expiration.

When user's the first jig arm 11 of operation and the second jig arm 12 are relatively distant from and unclamp clamped article, can first grasp Make the swing offset of the first pull piece 41, allow the first protuberance 411 of the first pull piece 41 to stir the first card in the first depressed part 431 Product 43 is moved to off-position by the position of engagement so that each first ratchet 432 of the first clamping piece 43 is away from corresponding first Ratchet 311.Likewise, operating the swing offset of the second pull piece 42 again, make the second protuberance 421 of the second pull piece 42 recessed second Fall into portion 441, stir the second clamping piece 44 and off-position is moved to by the position of engagement so that each second spine of the second clamping piece 44 Pawl 442 is not limited away from corresponding second ratchet 321 with above-mentioned operation order, and user also can first operate the second pull piece 42 Operate the first pull piece 41 again afterwards and release engagement, clamping power is progressively discharged with this, can also the first pull piece of simultaneously operating 41 And second pull piece 42 release engagement, disposable all release clamping powers, above-mentioned operation order is not used to limitation power The scope that profit requires.After two clamping pieces 41,42 are moved respectively to off-position, you can through the elastic reset power of torsion spring 131, Allow two jig arm 11,12 to be returned to after deployed position and carry out next clamping work again.

As shown in Figure 8 and Figure 9, for second embodiment of the present utility model ratchet assemblies and control assembly exploded view and Mesh schematic representation, its embodiment is roughly the same with aforementioned first embodiment, is only illustrated below with regard to different part, its Remaining phase, which exists together, to be repeated no more.

In the present embodiment, ratchet assemblies 30 have the first rack 31, the equally curved strip of the first rack 31, and make Center of arc's point of one rack 31 and the center of circle of connecting shaft 13 overlap, and the guide groove 21 of wobble component 20 also matches first The arc strip of rack 31, and cause the shape of guide groove 21 that arc shape is also presented.So so that the first rack 31 can be along guide groove 21 slide in wherein.

The lateral arcs face of first rack 31 has multiple first ratchets 311 arranged side by side and multiple second ratchets 312, and makes Each first ratchet 311 and each mutual dislocation arrangement of second ratchet 312.Specifically, multiple first ratchets 311 have the first spine respectively Crown end 311a and the first ratchet slot end 311a, and multiple second ratchets 312 equally respectively have the second ratchet tip 312a and Second ratchet slot end 312b, and by the first ratchet tip 311a and the second ratchet slot end 312b is listed in, and the first ratchet slot end 311a then and is listed in the second ratchet tip 312a, with this interlaced structure design so that two ratchets 311,312 arranged side by side can In mutual dislocation arrangement.

Control assembly 40 has the first pull piece 41 and the first clamping piece 43.Wherein, the first pull piece 41 is located at wobble component 20 Storage tank 22 in, and the first pull piece 41 is articulated on wobble component 20 by the 4th axle 18, with the 4th axle 18 in rotation The heart and drive the first pull piece 41 to carry out pulling displacement.In addition, there is the first protuberance 411 in the front end of the first pull piece 41.

First clamping piece 43 is located in the storage tank 22 of wobble component 20, and the first clamping piece 43 passes through the pivot of the 5th axle 19 It is connected on wobble component 20, so that the 5th axle 19 is pivot and drives the first clamping piece 43 to be rotated respectively.First blocking Part 43 has the first depressed part 431, multiple first ratchets 432 and multiple second ratchets 433, and the first depressed part 431 is with for First protuberance 411 of one pull piece 41 is embedded in wherein.Each first ratchet 432 can be engaged in each of the first rack 31 respectively Among first ratchet 311, and each second ratchet 433 is then engaged among each second ratchet 321 of the second rack 32 respectively.

It is noted that each first ratchet 432 of the first clamping piece 43 and each mutual dislocation arrangement of second ratchet 433.Tool Body, multiple first ratchets 432 respectively have the first ratchet tip 432a and the first pawl slot end 432b, and multiple second ratchets 433 equally have the second ratchet tip 433a and the second pawl slot end 433b respectively, and by the first ratchet tip 432a and are listed in Second pawl slot end 433b, and the first pawl slot end 432b then and is listed in the second ratchet tip 433a, with this interlaced knot Structure designs so that the ratchet 432,433 that two rows of the first clamping piece 43 are multiple can be in mutual dislocation arrangement.

When user operates the first jig arm 11 and the second jig arm 12 is relatively close and when clamping clamped article so that turn round Spring 131 is extruded and elastic deformation by two jig arm 11,12, and the first ratchet 432 of the first clamping piece 43 is progressively jumped tooth and tight On close the first ratchet of correspondence 311 for being engaged on the first rack 31, likewise, the second ratchet 433 of the first clamping piece 43 is also progressively Jump tooth and tightly engage on the second ratchet of correspondence 321 of the second rack 32.At the same time, answered by the elasticity of elastomeric element 50 Position power so that the first protuberance 411 of the first pull piece 41 is in the first depressed part 431, the guarantor that stirs the normality of the first clamping piece 43 Hold in the position of engagement, may be such that the chucking power of two jig arm 11,12 is held up.

When user's the first jig arm 11 of operation and the second jig arm 12 are relatively distant from and unclamp clamped article, can first grasp Make the swing offset of the first pull piece 41, allow the first protuberance 411 of the first pull piece 41 to stir the first card in the first depressed part 431 Product 43 is moved to off-position by the position of engagement so that each first ratchet 432 of the first clamping piece 43 is away from corresponding first Ratchet 311, and synchronously make each second ratchet 433 of the first clamping piece 43 away from corresponding second ratchet 312.When the first blocking After part 43 is moved to off-position, you can through the elastic reset power of torsion spring 131, allow two jig arm 11,12 to be returned to deployed position Carry out next clamping work again afterwards.

As shown in Figure 10 and Figure 11, the exploded view of the ratchet assemblies for 3rd embodiment of the present utility model and control assembly And mesh schematic representation, its embodiment is roughly the same with aforementioned first embodiment, is only illustrated below with regard to different part, Remaining, which mutually exists together, repeats no more.In the present embodiment, control assembly 40 has the first pull piece 41 and trigger member 45, and makes trigger member 45 are disposed in parallel in the side of the first pull piece 41.When assembling, the first pull piece 41 and trigger member 45 are attached separately to wobble component In 20 storage tank 22, and the first pull piece 41 and trigger member 45 are articulated on wobble component 20 by the 4th axle 18 respectively, with 4th axle 18 drives the first pull piece 41 and trigger member 45 to carry out pulling displacement respectively for pivot.In addition, in the first pull piece 41 front end has the first protuberance 411, equally has trigger protuberance 451 in the front end of trigger member 45.

With the structure design of trigger member 45, when user, which will operate ratchet mechanism, releases engagement, user can first pull The dynamic swing offset of first pull piece 41, allows the first protuberance 411 of the first pull piece 41 to stir the first card in the first depressed part 431 Product 43 is moved to off-position by the position of engagement so that each first ratchet 432 of the first clamping piece 43 is away from corresponding first Ratchet 311.Afterwards, in the action of similar triggering pulling, trigger member 45 is pressed with forefinger so that the trigger protuberance of trigger member 45 451 in the second depressed part 441, stirs the second clamping piece 44 and is moved to off-position by the position of engagement so that the second clamping piece 44 each second ratchet 442, second ratchet 321 away from corresponding to, the clamping power of clamping mechanism 10 is progressively discharged with this.

As shown in Figure 12 and Figure 13, the exploded view of the ratchet assemblies for fourth embodiment of the present utility model and control assembly And mesh schematic representation, its embodiment is roughly the same with aforementioned third embodiment, is only illustrated below with regard to different part, Remaining, which mutually exists together, repeats no more.In the present embodiment, control assembly 40 has the first pull piece 41 and the trigger of trigger member 45 and second Part 47, and the trigger member 47 of trigger member 45 and second is disposed in parallel in the side of the first pull piece 41.When assembling, first is pulled Part 41 and trigger member 45, the second trigger member 47 are attached separately in the storage tank 22 of wobble component 20, and the first pull piece 41 and are pulled Parts 45, the second trigger member 47 are articulated on wobble component 20 by the 4th axle 18 respectively, with the 4th axle 18 be pivot and The first pull piece 41 and trigger member 45, the second trigger member 47 is driven to carry out pulling displacement respectively.In addition, in the front end of the first pull piece 41 The first plate trigger end 412 with the first protuberance 411 and with trigger member 45, the same shape of the second trigger member 47, in trigger The front end of part 45 equally has trigger protuberance 451.

In summary, the ratchet wheel clamp disclosed according to all embodiments of above-mentioned the utility model, by two row side by side and mutually The ratchet design of dislocation, on the premise of it need not reduce tooth form, can allow double ratchet all to keep original structural strength, And designed with the ratchet of double dislocation and carry out the extra number of teeth for increasing ratchet, backlash during so as to reduce engagement, integrally nibbled with increase Junction is accumulated, to the scattered power forced on ratchet.To ensure that ratchet can be normal when chucking power default value is reached with ratchet Tooth is jumped, so as to control accurate clamping mechanism to clamping the degree of power, tooth, easily can not be smoothly jumped during avoiding chucking power from expiring The problems such as tooth is collapsed in off normal or abrasion.

Several specific embodiments of the present utility model are described in detail in embodiment above.It should be appreciated that this practicality is new The personnel of type art are understanding the above-mentioned technical concept of the utility model, specific embodiment and effect, Ke Yigen Many modifications and variations are made according to technical concept of the present utility model.Therefore, according to above-mentioned technical concept of the present utility model On the basis of existing technology by logical analysis, reasoning, or a limited experiment so as to the technical scheme obtained, all Ying Ben In the protection domain that claims of utility model are asked.

Claims

A kind of 1. ratchet mechanism of misplace locking and release, it is characterised in that including：

Ratchet assemblies, including one or more racks, each rack have multiple ratchets, the institute on the different racks Ratchet is stated to be arranged side by side and mutual dislocation；With

Control piece, there is fastening part and trigger portion, the fastening part has one or more ratchets, and each ratchet has one Individual or multiple ratchets, the ratchet on the different ratchets is arranged side by side and mutual dislocation；The trigger portion is stirring The control piece so that the ratchet of the fastening part is with the rack of the ratchet assemblies in the position of engagement and release position Moved between putting；

When the fastening part is moved to the position of engagement, one or more ratchets only on a rack and The ratchet of corresponding one or more ratchet engagements, remaining described rack and the corresponding ratchet is not nibbled Close, when the fastening part is moved to the off-position, all racks and the ratchet discharge simultaneously.
2. dislocation locking as claimed in claim 1 and the ratchet mechanism of release, it is characterised in that：The control piece is component, Including clamping piece and pull piece, the pull piece has protuberance, and the clamping piece has depressed part, and the protuberance is to embedded institute Depressed part is stated, when the pull piece swing offset, the protuberance stirs the clamping piece swing offset in the depressed part.
3. a kind of ratchet wheel clamp, including the first jig arm, the second jig arm and ratchet mechanism, first jig arm and second jig arm are led to Cross connecting shaft to be mutually pivotally connected and open or close relatively, the ratchet mechanism is arranged on first jig arm and second jig arm Between, it is characterised in that：

The ratchet mechanism includes：

Ratchet assemblies, it is arranged in first jig arm, the ratchet assemblies include one or more racks, each rack With multiple ratchets, the ratchet on the different racks is arranged side by side and mutual dislocation；

Wobble component, be arranged in second jig arm, first jig arm and second jig arm using the connecting shaft as Axis of rotation and drive the wobble component and the ratchet assemblies to be relatively distant from or draw close respectively；And

Control piece, there is fastening part and trigger portion, the fastening part has one or more ratchets, and each ratchet has one Individual or multiple ratchets, the ratchet on the different ratchets is arranged side by side and mutual dislocation；The trigger portion is stirring The control piece so that the ratchet of the fastening part is with the rack of the ratchet assemblies in the position of engagement and release position Moved between putting；

When the fastening part is moved to the position of engagement, one or more ratchets only on a rack and The ratchet of corresponding one or more ratchet engagements, remaining described rack and the corresponding ratchet is not nibbled Close, when the fastening part is moved to the off-position, all racks and the ratchet discharge simultaneously；

Elastomeric element, the elastomeric element are arranged between the trigger portion and second jig arm so that the first ratchet and Two ratchets keep engagement.
4. ratchet wheel clamp as claimed in claim 3, it is characterised in that：The control piece is control assembly, including clamping piece and is pulled Part, the pull piece have protuberance, and the clamping piece has depressed part, and the protuberance works as institute to the insertion depressed part When stating pull piece swing offset, the protuberance stirs the clamping piece swing offset in the depressed part.
5. ratchet wheel clamp as claimed in claim 3, it is characterised in that：The connecting bushing is provided with torsion spring, the end of torsion spring two point The bullet for passing through the torsion spring in first jig arm and second jig arm, first jig arm and second jig arm is not supported Power and normality is maintained at deployed position, the wobble component is articulated in second jig arm with first axle, passes through described first Wobble component described in axle stopper is moved with second jig arm, and the ratchet assemblies are articulated in described with the second axle and the 3rd axle In first jig arm, by ratchet assemblies described in second axle and the 3rd axle stopper as first jig arm moves.
6. ratchet wheel clamp as claimed in claim 3, it is characterised in that：The wobble component includes：

Guide groove, the side of the wobble component is formed at, is slid with for the ratchet assemblies in wherein, the ratchet assemblies Arc strip is shaped as, the shape of ratchet assemblies described in the form fit of the guide groove so that the ratchet assemblies are with arc road Footpath is slid among the guide groove；

Storage tank, the opposite side of the wobble component is formed at, is hubbed at wherein with for the control assembly；And

Perforate, between being opened in the guide groove and holding the storage tank, mutually led to for the guide groove and the storage tank, When the ratchet assemblies are placed in the guide groove, the multiple ratchet is stretched out in the storage tank by the perforate, is made Obtain the multiple ratchet and correspond to the ratchet.
7. ratchet wheel clamp as claimed in claim 4, it is characterised in that：The control assembly includes clamping piece and pull piece, the card Product includes the first ratchet and the second ratchet, when the clamping piece is moved to the position of engagement, only a pair racks Engaged with the ratchet, another pair does not engage, and when the clamping piece is moved to the off-position, two pairs of racks and ratchet are same When discharge.
8. ratchet wheel clamp as claimed in claim 6, it is characterised in that：When the ratchet assemblies are placed in the guide groove, Duo Ge One ratchet and multiple second ratchets are stretched out in the storage tank by the perforate so that the multiple first ratchet is corresponding Correspond to second ratchet in first ratchet and the multiple second ratchet.
9. ratchet wheel clamp as claimed in claim 8, it is characterised in that：The ratchet assemblies include：

First rack, the multiple first ratchet are arranged on first rack；And

Second rack, second rack are mutually juxtaposed with first rack, and the multiple second ratchet is arranged on described On two racks, first rack and all curved strip of second rack, first rack and second rack Center of arc's point and the center of circle of the connecting shaft overlap.
10. ratchet wheel clamp as claimed in claim 8, it is characterised in that：The multiple first ratchet has the first ratchet point respectively End and the first ratchet slot end, the multiple second ratchet have the second ratchet tip and a second ratchet slot end respectively, and described each the One ratchet is sophisticated to be mutually juxtaposed with each second ratchet slot end, each first ratchet slot end and the second ratchet tip phase Mutually side by side.
11. ratchet wheel clamp as claimed in claim 4, it is characterised in that：The control assembly includes：

First pull piece；

Second pull piece, first pull piece and second pull piece are articulated in wobble component by the 4th axle respectively, with described Four axles drive first pull piece and the second pull piece swing offset respectively for pivot；

First clamping piece, first ratchet are arranged on first clamping piece；And

Second clamping piece, second ratchet are arranged on second clamping piece, first clamping piece and second card Product is articulated on the wobble component by the 5th axle respectively, drives described respectively using the 5th axle as pivot One clamping piece and the second clamping piece swing offset.
12. ratchet wheel clamp as claimed in claim 11, it is characterised in that：First pull piece has the first protuberance, to embedding Enter the first depressed part of first clamping piece, second pull piece has the second protuberance, to be embedded in described second When the second depressed part of clamping piece, first pull piece and the second pull piece swing offset, first protuberance is described The first clamping piece swing offset is stirred in first depressed part, second protuberance stirs institute in second depressed part State the second clamping piece swing offset.
13. ratchet wheel clamp as claimed in claim 11, it is characterised in that：First clamping piece further includes the multiple first spine Pawl, second clamping piece further include the multiple second ratchet, and first clamping piece and second clamping piece are mutually simultaneously When row are set so that the multiple first ratchet and the multiple second ratchet mutual dislocation arrangement, the multiple first ratchet There is the first ratchet tip and the first pawl slot end respectively, the multiple second ratchet has the second ratchet tip and second respectively Pawl slot end, each first ratchet is sophisticated to be mutually juxtaposed with each second pawl slot end, each first pawl slot end with The second ratchet tip is mutually juxtaposed.
14. ratchet wheel clamp as claimed in claim 4, it is characterised in that：The ratchet assemblies have the first rack, and the multiple One ratchet and the multiple second ratchet are disposed side by side on first rack respectively, the curved strip of the first rack, Center of arc's point of first rack and the center of circle of the connecting shaft overlap.
15. ratchet wheel clamp as claimed in claim 14, it is characterised in that：The multiple first ratchet has the first ratchet point respectively End and the first ratchet slot end, the multiple second ratchet have the second ratchet tip and a second ratchet slot end respectively, and described each the One ratchet is sophisticated to be mutually juxtaposed with each second ratchet slot end, each first ratchet slot end and the second ratchet tip phase Mutually side by side.
16. ratchet wheel clamp as claimed in claim 11, it is characterised in that：The control assembly includes：

First pull piece, first pull piece are articulated in wobble component by the 4th axle, are divided using the 4th axle as pivot First pull piece and the second pull piece swing offset are not driven；And

First clamping piece, first ratchet and second ratchet are separately positioned on first clamping piece, and described first Clamping piece is articulated on the wobble component by the 5th axle, and described first is driven respectively as pivot using the 5th axle Clamping piece swing offset, first pull piece have the first protuberance, to be embedded in the first of first clamping piece the depression Portion, during the first pull piece swing offset, first protuberance stirs first clamping piece in first depressed part Swing offset.
17. ratchet wheel clamp as claimed in claim 16, it is characterised in that：First clamping piece further includes the multiple first spine Pawl and the multiple second ratchet, the multiple first ratchet and the multiple second ratchet mutual dislocation arrangement, it is the multiple First ratchet has the first ratchet tip and the first pawl slot end respectively, and the multiple second ratchet has the second ratchet point respectively End and the second pawl slot end, each first ratchet is sophisticated to be mutually juxtaposed with each second pawl slot end, each first spine Claw slot end is mutually juxtaposed with the second ratchet tip.
18. ratchet wheel clamp as claimed in claim 4, it is characterised in that：The control assembly includes：

First pull piece；

Trigger member, it is disposed in parallel in the side of first pull piece and is less than first pull piece, first pull piece and described Trigger member is articulated in wobble component by the 4th axle respectively, drives described first to pull respectively as pivot using the 4th axle Part and the trigger member swing offset；

First clamping piece, first ratchet are arranged on first clamping piece；And

Second clamping piece, second ratchet are arranged on second clamping piece, first clamping piece and second card Product is articulated on the wobble component by the 5th axle respectively, drives described respectively using the 5th axle as pivot One clamping piece and the second clamping piece swing offset.
19. ratchet wheel clamp as claimed in claim 18, it is characterised in that：First pull piece has the first protuberance, to embedding Enter the first depressed part of first clamping piece, the trigger has trigger protuberance, to be embedded in second blocking When the second depressed part of part, first pull piece and the trigger member swing offset, first protuberance is recessed described first The first clamping piece swing offset is stirred in the portion of falling into, the trigger protuberance stirs described second in second depressed part Clamping piece swing offset.
20. ratchet wheel clamp as claimed in claim 18, it is characterised in that：First clamping piece further includes the multiple first spine Pawl, second clamping piece further include the multiple second ratchet, and first clamping piece and second clamping piece are mutually simultaneously When row are set so that the multiple first ratchet and the multiple second ratchet mutual dislocation arrangement, the multiple first ratchet There is the first ratchet tip and the first pawl slot end respectively, the multiple second ratchet has the second ratchet tip and second respectively Pawl slot end, each first ratchet is sophisticated to be mutually juxtaposed with each second pawl slot end, each first pawl slot end with The second ratchet tip is mutually juxtaposed.
21. ratchet wheel clamp as claimed in claim 4, it is characterised in that：The control assembly includes：

First pull piece；

First trigger member, be disposed in parallel in the side of first pull piece and be less than first pull piece, first pull piece and The trigger member is articulated in wobble component by the 4th axle respectively, drives described respectively using the 4th axle as pivot One pull piece and the trigger member swing offset；

Second trigger member, be disposed in parallel in the side of first pull piece and be less than first pull piece, first pull piece and Second trigger member is articulated in wobble component by the 4th axle respectively, and institute is driven respectively as pivot using the 4th axle State the first pull piece and the second trigger member swing offset；

First clamping piece, first ratchet are arranged on first clamping piece；

Second clamping piece, second ratchet are arranged on second clamping piece；And

3rd clamping piece, the 3rd ratchet are arranged on the 3rd clamping piece, first clamping piece, second clamping piece and 3rd clamping piece is articulated on the wobble component by the 5th axle respectively, is driven respectively as pivot using the 5th axle First clamping piece, the second clamping piece and the 3rd clamping piece swing offset.
22. ratchet wheel clamp as claimed in claim 21, it is characterised in that：First trigger member has the first protuberance, to The first depressed part of first clamping piece is embedded in, second trigger member has the second protuberance, described to be embedded in Second depressed part of the second clamping piece, first pull piece have trigger protuberance, to be embedded in the 3rd clamping piece When the 3rd depressed part, first pull piece and first trigger member and the second trigger member swing offset, described first is prominent Go out portion and the first clamping piece swing offset is stirred in first depressed part, second protuberance is in the described second depression The second clamping piece swing offset is stirred in portion, the trigger protuberance stirs the 3rd card in the 3rd depressed part Product swing offset.
23. ratchet wheel clamp as claimed in claim 21, it is characterised in that：First clamping piece further includes the multiple first spine Pawl, second clamping piece further include the multiple second ratchet, and the 3rd clamping piece further includes the multiple 3rd ratchet, When first clamping piece, second clamping piece and the 3rd clamping piece are mutually juxtaposed setting, the multiple first spine is made Pawl, the multiple second ratchet and the multiple 3rd ratchet mutual dislocation arrangement, the multiple first ratchet have the respectively One ratchet tip and the first pawl slot end, the multiple second ratchet have the second ratchet tip and the second pawl slot end respectively, The multiple 3rd ratchet has the 3rd ratchet sophisticated respectively and the 3rd pawl slot end, and each first ratchet is sophisticated and described each Second pawl slot end is mutually juxtaposed, and each first pawl slot end is mutually juxtaposed with the second ratchet tip.