CN206937125U - A kind of adjustable pincers - Google Patents

Abstract

The utility model discloses a kind of adjustable pincers, including first handle and second handle, front end is equipped with clamping part, two clamping parts form jaw, first handle and the intersecting setting of second handle, it is relatively fixed by bindiny mechanism, it is characterized in that, second handle has strip teeth groove in bindiny mechanism's opening position, the inside portion of teeth groove has cingulum, bindiny mechanism includes the positioning latch being arranged in teeth groove and the link gear being connected with positioning latch, positioning latch has side tooth, mutually it is engaged with the cingulum on teeth groove, link gear is arranged to that positioning latch can be driven to rotate, depart from the side tooth on positioning latch to be engaged with cingulum, so as to which first handle can be moved by the motion of bindiny mechanism with respect to second handle along teeth groove, link gear includes the triggering axle being connected with positioning latch, there is trigger unit on triggering axle.The advantages of adjustable pincers of the present utility model is can to push directly on right handles, unidirectional quick adjustment, needs both hands compared to common water pump pliers to adjust, convenient and strength-saving.

Description

A kind of adjustable pincers

Technical field

A kind of pliers is the utility model is related to, is more precisely related to a kind of pliers of fast tunable section jaw size.

Background technology

Traditional pliers has two intersecting tong arms, two tong arms can pivoting around joining, reach clamping thing The purpose of body, the top of joining form the jaw for accommodating object, and the lower section of joining is the clamp handle gripped.It is but this The expandable size of jaw of pincers is fixed, and the magnitude range for the article that can be clamped is limited.

So there is a kind of a kind of adjustable pliers of jaw size as disclosed by United States Patent (USP) US5845551.Its In, a tong arm has along madial wall in the centre position of point of intersection formed with hollow elongated teeth groove, the madial wall of teeth groove The tooth of distribution, another tong arm can progressively move a segment distance in point of intersection along the tooth on teeth groove madial wall, and can consolidate Determine onto any tooth, so as to reconcile the size of jaw.

But this pliers, be bidirectional modulation, i.e. the pivot of point of intersection has adjusting switch, when switch is opened, It can be mutually shifted between two tong arms.When closing switch, two tong arm positions are relatively fixed, and reaching can be with normal use State.So design the shortcomings that be in-convenience in use.In use, be first turned on switching, and by switch keeping in open mode, general Jaw opens the size for being more than folded article, the state for then needing maintained switch to open, jaw can just be gradually reduced, reach firm The position of article can be clamped well.The process for expanding and reducing jaw is required for switch keeping in open mode, the size of jaw It can just adjust.It is very inconvenient so for user, so needing to make further improvement.Not only need not Grip switch, and the simpler convenience of design switched always during jaw is changed.

Utility model content

The purpose of this utility model is to provide one and there was only the pincers that adjusting switch adjusting jaw size is needed to use on unidirectional Son, need not then be used in another direction adjusting switch can adjusting jaw size, so as to which thing need to be being pressed from both sides by jaw is stable On product.

Another purpose of the present utility model is to provide the pliers of an adjustable jaw size, wherein, adjusting switch is set Meter is simple, easy to use.

A kind of adjustable pincers, including first handle and second handle, first handle front end are provided with the first clamping part, second handle Front end has the second clamping part, and first clamping part and second clamping part form jaw, the first handle and described Second handle is intersecting to be set, and is relatively fixed by bindiny mechanism, it is characterised in that the second handle is in the bindiny mechanism Opening position has strip teeth groove, and the inside portion of teeth groove has cingulum, and the bindiny mechanism includes being arranged in the teeth groove Positioning latch and the link gear being connected with the positioning latch, the positioning latch has side tooth, with the tooth on the teeth groove Band is mutually engaged, and the link gear is arranged to that the positioning latch can be driven to rotate, and makes the side on the positioning latch Tooth departs to be engaged with the cingulum, so that the first handle can relatively described second by the motion of the bindiny mechanism Handle moves along the teeth groove, and the link gear includes the triggering axle being connected with the positioning latch, has on the triggering axle There is trigger unit.

Further, it is unidirectional ratchet on the cingulum.

Further, the triggering axle is arranged in the through hole of the positioning latch, and the trigger unit extends to for triggering axle The pressing part of the outer side surface of the first handle.

Further, the link gear also includes needle roller, is arranged on the triggering axle positioned at the position of the positioning latch Place is put, one end extending laterally from the triggering axle of the needle roller, the other end of the needle roller extends to the positioning On the inclined-plane of latch.

Further, the inclined-plane is positioned at the upside of the positioning latch through hole, and the side tooth position of the positioning latch is in institute State one side on the downside of positioning latch through hole.

Further, the inclined-plane since one side of the locator card flank tooth to gradually reducing on the direction of another side.

Further, the needle roller can be fixedly connected or be integrated with the triggering axle.

Further, one end of the needle roller is stretched into the lateral hole of the triggering axle, is fixedly connected with the triggering axle.

Further, the cross sectional shape of the triggering axle is the circle with a breach.

Further, the link gear also includes a lamellar body, and it has a hollow hole, it is enclosed on triggering On axle, the hollow hole is adapted with the triggering axial section shape.

Further, the first handle has side opening in the side wall at the bindiny mechanism, can accommodate described second The relevant position of handle is passed through in wherein, forms the Part I for the first handle being located on second handle, and positioned at second-hand The Part II of first handle under handle, wherein the Part I of triggering axle through the first handle then pass through it is described The teeth groove of second handle, and then pass through the Part II of the first handle.

Further, the first end of the triggering axle extends to the Part I of first handle side, and the second end extends to the The Part II of one handle opposite side, wherein the trigger unit is located at the outside of the Part I, in the Part II Outside is fixed by a retaining element and triggering axle.

Further, positioning latch another side relative with the side tooth on the downside of through hole has a fixed part and bullet Property part, the elastic component are connected on the fixed part and offseted with the second handle.

Further, the fixed part is spring eye, and the elastic component is spring, and the spring is arranged on the spring eye It is interior.

Further, the plane of the inner side of first clamping part and second clamping part intersects angled, described The inner side edge of formation space among one clamping part and second clamping part, first clamping part and second clamping part is set It is equipped with striped, convenient clamping and occlusion.

Further, first clamping part or the second clamping part can be formed in one with first handle or second, also may be used Linked together by connection means.

Further, the lamellar body is between the positioning latch and the retaining element.

Further, the lamellar body is located at the inside of teeth groove, and the outward flange of the lamellar body is square to be coordinated with teeth groove inward flange.

Further, the link gear also includes a stage clip, is arranged on the outside of the Part I of the first handle In depression, it is in contact with the trigger unit.

Another jaw shapes are that first clamping part and the second clamping part are set to plane, and inner side edge is provided with Striped, first clamping part are parallel with the plane of the inner side of second clamping part.

The utility model has the advantages that right handles can be pushed directly on, unidirectional quick adjustment, needed compared to common water pump pliers double Hand adjusts, convenient and strength-saving.Button can be integrally formed with needle roller, can reach saving processing cost, improve production efficiency.

The more identical hex nut shape of new jaw shapes of the present utility model, compared to common water pump pliers (without more Coincide well the hex nut of large-size), this product can preferably coincide all size hex nuts in gear bands； Unidirectionally quickly transfer the files, need both hands compared to common water pump pliers to adjust, it is convenient and strength-saving；Using this structure, product teeth portion engages more It is stable, it is more convenient in operation.

Brief description of the drawings

Fig. 1 is the schematic diagram of a preferred embodiment of the present utility model.

Fig. 2 is the explosive view of a preferred embodiment of the present utility model.

Fig. 3 is the explosive view of another angle of a preferred embodiment of the present utility model.

Fig. 4 is the positioning latch explosive view of a preferred embodiment of the present utility model.

Fig. 5 is the locator card tooth composite diagram of a preferred embodiment of the present utility model.

Fig. 6 is the stereogram of the triggering axle of a preferred embodiment of the present utility model.

Fig. 7 is the sectional view of a preferred embodiment of the present utility model, wherein triggering axle is in original state.

Fig. 8 is the sectional view of a preferred embodiment of the present utility model, wherein triggering axle is in pressed status.

Fig. 9 is that the jaw of a preferred embodiment of the present utility model opens schematic diagram.

Figure 10 is that the jaw of a preferred embodiment of the present utility model clamps the schematic diagram of article.

Figure 11 is the side view of a preferred embodiment of the present utility model, wherein the side tooth of positioning latch is in engagement shape State.

Figure 12 is the side view of a preferred embodiment of the present utility model, wherein the side tooth of positioning latch is in non-engagement State.

Figure 13 is the schematic diagram of second specific embodiment of the present utility model.

Figure 14 is the explosive view of second specific embodiment of the present utility model.

Figure 15 is the explosive view of another angle of second specific embodiment of the present utility model.

Figure 16 is the partial enlargement explosive view of second specific embodiment of the present utility model.

Embodiment

As shown in figs. 1-12, the utility model provides a preferred embodiment.A kind of adjustable pincers, including first handle 5 With second handle 9, the front end of first handle 5 is provided with the first clamping part 2, and the front end of second handle 9 has the second clamping part 1, the first folder Hold the clamping part 1 of portion 2 and second and form jaw, first handle and the intersecting setting of second handle, and be relatively fixed by bindiny mechanism, Wherein second handle has strip teeth groove 91 in bindiny mechanism's opening position, and the inside portion of teeth groove 91 has cingulum 92, connects machine Structure includes the positioning latch 6 being arranged in teeth groove 91 and the link gear being connected with positioning latch 6, and positioning latch 6 has side tooth 61, it is engaged with the phase of cingulum 92 being distributed on teeth groove 91, link gear drives positioning latch 6 to rotate, and disengaging is engaged with cingulum 92, So as to which first handle 5 can be moved by the motion with bindiny mechanism with respect to second handle 9 along teeth groove 91, change the big of jaw It is small, wherein, the tooth on cingulum 92 is unidirectional ratchet, i.e., tooth obliquely facing one direction, as inclined in Fig. 1 to the direction of arrow Tiltedly.So in the inclined opposite direction stress of tooth, i.e., the opposite direction of arrow, cingulum 92 and positioning latch 6 have barb due between, Being separated both when needing the external force to act on can just be such that positioning latch 6 is slided in teeth groove 91.And on the inclined direction of tooth, i.e., in arrow On head direction, cingulum 92 can promote positioning latch 6 to overcome elastic force and spun off automatically from the tooth on cingulum 92, it is not necessary to The intervention of external force, so as to realize unidirectional quick sliding.

Specifically, unidirectional ratchet is meant, the direction extension of the tooth of cingulum 92 from trough side part obliquely upward, as in Fig. 1 to The direction of arrow tilts by teeth groove, when needing jaw to expand, i.e. first handle 5 is pulled down (i.e. to arrow from the top of teeth groove 91 The opposite direction motion of head) when, it is necessary to remove being engaged for positioning latch 6 and cingulum 92 by the trigger unit 71 of link gear, When first handle 5 is pulled up and (moved to the direction of arrow) from the lower section of teeth groove 91, due to being unidirectional ratchet, even if It is interlocking pattern to position latch 6 and cingulum 92, and positioning latch 6 can also move freely along teeth groove.So, the shape pulled open in jaw Under state, place an article within jaw, then jaw is easily narrowed down to the state for being just clamped to article.

The adjustable pincers can be water pump pliers, pipe vice or other pincers.The wherein inner side of the first clamping part and the second clamping part Plane intersect angled, form space among the first clamping part and the second clamping part.This jaw shapes more identical six Angle nut shape, compared to common water pump pliers (without the hex nut for the large-size that preferably coincide), this product can be more preferable Ground coincide all size hex nuts in gear bands.First clamping part 2 and the second clamping part 1 can respectively with it is first-hand Handle 5 and second handle 9 are formed in one, and can also be linked together by connection means.

First handle 5 and the position of bindiny mechanism are relatively fixed, and link gear includes the triggering axle being connected with positioning latch 6 7, described trigger on axle 7 has trigger unit 71.Trigger unit 71 extends to the outer side surface of the first handle 5 for triggering axle 7 Pressing part, conveniently when hand-held caliper, while triggering axle 7 is triggered by trigger unit 71 and moved, so as to adjust at any time The size of jaw.Trigger unit 71 drives triggering axle 7 to move, and triggering axle 7 drives positioning latch 6 to rotate, so as to depart from teeth groove Cingulum 92 on 91, first handle 5 is set to become jaw along the opposite direction of arrow and the relative motion of second handle 9 Greatly.

First handle 5 has first through hole in the opening position of triggering axle 7, and triggering axle 7 is at first through hole by continuing to wear The teeth groove 91 of second handle 9 is crossed, first handle 5 and second handle 9 are relatively fixed.Further, first handle 5 is in bindiny mechanism There is side opening 51, the relevant position that can accommodate second handle 9 is passed through in wherein, and formation is located at second handle 9 in the side wall at place On first handle 5 Part I 52, and the Part II 53 of the first handle under second handle.Wherein trigger axle 7 Part I through first handle 5 then passes through the teeth groove 91 of second handle, and then passes through the Part II of first handle 5. Positioning latch 6 is located inside the teeth groove 91 of second handle 9, is engaged with cingulum 92.

Specifically, in the present embodiment, triggering axle 7 is arranged in the positioning through hole of latch 6, the first end extension of triggering axle 7 To the Part I of the side of first handle 5, the second end extends to the Part II of the opposite side of first handle 5.Wherein at first Point outside be connected or be integrated with trigger unit 71, trigger unit 71 also plays the role of fixed simultaneously, leads in the outside of Part II A retaining element 10 is crossed to fix with triggering axle 7.Retaining element can be a lid, and triggering axle 7 is fixed on into first handle 5 The Part II of opposite side.Can also be a nut, on the rotation screw thread of rotation to the triggering other end of axle 7, so that will triggering Axle 7 is fixed.Triggering axle 7 and trigger unit 71 and lid can move with teeth groove 91 of the first handle along second handle 9.

The link gear also includes needle roller 72, is arranged on the triggering axle 7 positioned at the position of the positioning latch 6 Place, one end of the needle roller 72 extending laterally from the triggering axle 7, and it is described fixed that the other end of the needle roller 72 extends to On the inclined-plane 64 of position latch 6.Needle roller 72 can be fixedly connected or be integrated with triggering axle 7.In this specific embodiment, needle roller 72 One end stretch into the lateral hole 76 of triggering axle 7, be fixedly connected with triggering axle 7, the inclined-plane that the other end is extended on positioning latch 6 At 64.Inclined-plane 64 positions the side tooth 61 of latch 6 on the downside of the positioning through hole of latch 6 positioned at the upside of the positioning through hole of latch 6 On one side.Inclined-plane 64 is since one side of the positioning side tooth 61 of latch 6 to gradually reducing on the direction of another side.So, when to triggering Portion 71 apply pressure when, triggering axle 7 move downward, needle roller 72 with triggering axle 7 move downward, force positioning latch 6 Through hole upper lateral part rotates to the high side in inclined-plane 64, so that the relatively low part in the inclined-plane 64 on positioning latch 6 can accommodate rolling Pin 72, meanwhile, positioning latch 6 in the following side of through hole, with triggering axle 7 for axial opposed direction moved by meeting, that is, positions latch 6 On side tooth 61 separated with the cingulum 92 on teeth groove 91, so as to which first handle 5 can be along second handle along the opposite direction of arrow Motion.

Further, it is non-circular to trigger the cross sectional shape of axle 7, is specifically the circle with a breach in the present embodiment Shape, link gear of the present utility model also include a lamellar body 74, and it has a hollow hole 75, it is enclosed on triggering On axle 7, hollow hole is adapted with the triggering cross sectional shape of axle 7, so, when triggering axle 7 receives the power pushed, lamellar body 74 The purpose that limitation triggering axle 7 rotates can be reached, so as to force positioning latch 6 to be rotated around triggering axle 7.Trigger the lateral hole of axle 7 I.e. at the circumferential notch in section, one end of needle roller 72 namely it is arranged in the hole of indentation, there of triggering axle 7 side.Specifically Ground, lamellar body 74 is located at the rear portion of positioning latch 6, positioned at positioning latch 6 and retaining element, i.e., between lid, with positioning latch 6 one Act the inside for being arranged on teeth groove 91.The outward flange of lamellar body 74 is square to be coordinated with the inward flange of teeth groove 91, will not produce rotation around triggering axle 7 Turn, rotated so as to limit triggering axle 7, triggering axle 7 is fixed on the direction of rotation.

As it was previously stated, the side tooth 61 of positioning latch 6 is positioning the through hole of latch 6 positioned at one side of positioning latch 6 through hole bottom The downside another side relative with side tooth 61 has a fixed part 62 and elastic component 63, and the elastic component 63 is connected to fixed part 62 Above and with the second handle 9 offset.Specifically, fixed part 62 can be a spring eye, the elastic component 63, specially bullet Spring, spring are arranged in spring eye, are offseted with second handle 9.So, it is fixed due to the effect of spring after trigger unit 71 are discharged The side tooth 61 of position latch 6 can recover interlocking pattern with the tooth on cingulum 92, so as to normal use.

The link gear also includes a flexible member, specially tower spring 73, is arranged on the first of the first handle 5 In partial outside depression, it is in contact with the inner side of trigger unit 71.So, when pressure is not applied to trigger unit 71, tower Spring can jack up trigger unit 71, drive link gear to set back, and reply original state.Trigger unit 71 in this preferred embodiment Outer peripheral face be circle, as shown in fig. 6, in other embodiments, the outer peripheral face of trigger unit 71 is alternatively polygon etc. and is suitable to peace The shape of dress.

The structure function implementation process of the utility model preferred embodiment：As shown in figure 8, apply pressure on triggering axle 7, Drive needle roller 72 moved along force direction, when needle roller 72 touch positioning latch 6 inclined-plane 64, under force cause positioning Around the axis rotation of triggering axle 7, positioning latch 6 and side tooth 61 are in non-engagement state, quickly transferred the files so as to realize latch 6；Its Middle bottom prerotation vane 74 limits the rotation of triggering axle 7, so as to counteract reaction force of the inclined-plane 64 to needle roller 72；Remove and touching The pressure at axle 7 is sent out, in the presence of elastic component 63, tower spring 73, total resets to original state, as shown in Figure 7.

The present embodiment can push directly on right handles, realize Fig. 9 to Figure 10 (parallel jaw away from a be greater than parallel jaw away from B) unidirectional quick adjustment, needs both hands to adjust compared to common water pump pliers, convenient and strength-saving.Button can be integrally formed with needle roller, can Reach saving processing cost, improve production efficiency.

As depicted in figs. 11-12, the jaw of the present embodiment also can be adjusted to parallel plane, i.e. the first clamping part and the second folder The inner side for holding portion is set to plane, and inner side edge is provided with striped.The plane of the inner side of first clamping part and the second clamping part It is parallel.This jaw shapes can also coincide hex nut shape, compared to common water pump pliers (without the large-size that preferably coincide Hex nut), this product can preferably coincide all size hex nuts in gear bands；It is of the present utility model adjustable Pincers unidirectionally can quickly transfer the files, and need both hands compared to common water pump pliers to adjust, convenient and strength-saving；Using this structure, product teeth portion Engage it is more stable, in operation be more convenient.

As shown in figures 13-16, the utility model provides second specific embodiment, a kind of adjustable pincers, including first-hand Handle 5 and second handle 9, the front end of first handle 5 are provided with the first clamping part 2, and the front end of second handle 9 has the second clamping part 1, and first The clamping part 1 of clamping part 2 and second forms jaw, first handle and the intersecting setting of second handle, and relatively solid by bindiny mechanism Fixed, wherein second handle has strip teeth groove 91 in bindiny mechanism's opening position, and the inside portion of teeth groove 91 has cingulum 92, connection Mechanism includes being arranged on the tooth block 3 being engaged with the phase of cingulum 92 being distributed on teeth groove 91 in teeth groove 91, and the linkage being connected with tooth block Mechanism, link gear band moving teeth block 3 are rotated, and disengaging is engaged with teeth groove 91, so as to which first handle 5 passes through the fortune with bindiny mechanism It is dynamic to be moved with respect to second handle 9 along teeth groove 91, change the size of jaw, wherein, the tooth on cingulum is unidirectional ratchet, i.e. tooth Obliquely facing one direction, as into teeth groove, the direction of arrow tilts in Figure 13.So in the inclined opposite direction stress of tooth, That is the opposite direction of arrow, cingulum and tooth block have barb due between, it is necessary to which tooth block can just be made in tooth by being separated both when external force acts on Slided in groove.And on the inclined direction of tooth, i.e., in the direction of arrow, cingulum can promote tooth block to overcome elastic force and automatically from cingulum On tooth on spin off, it is not necessary to the intervention of external force, so as to realize unidirectional quick sliding.

Specifically, unidirectional ratchet is meant, the direction extension of the tooth of cingulum from trough side part obliquely upward, as in Figure 13 to tooth The direction of arrow tilts in groove, when needing jaw to expand, i.e. first handle is pulled down (i.e. to arrow from the top of teeth groove Opposite direction is moved) when, it is necessary to remove being engaged for tooth block and cingulum by trigger element, when first handle is from the lower section of teeth groove When pulling up and (moved to the direction of arrow), due to being unidirectional ratchet, even if tooth block and cingulum are interlocking patterns, tooth block It can also be moved freely along teeth groove.So, in the state of jaw pulls open, place an article within jaw, then easily will Jaw narrows down to the state for being just clamped to article.

The adjustable pincers can be water pump pliers, pipe vice or other pincers.Two of which clamping part is to be set to hook-shaped, and interior Side sets with teeth, convenient clamping and occlusion.Clamping part can be formed in one with handle, can be also connected to by connection means Together.

First handle 5 and the position of bindiny mechanism are relatively fixed, and link gear includes the pivot being arranged in the through hole of tooth block 3 Axle 11 and with pivotally connected trigger mechanism, driven and pivoted by trigger mechanism, further related tooth block rotates pivot, from And tooth block is departed from cingulum, make it possible relative motion.

First handle 5 has a first through hole in the opening position of pivot, and pivot is cylinder, and section is circle, and pivot is from the One through hole is by continuing across the teeth groove of second handle 9, first handle 5 and second handle 9 being relatively fixed.

More specifically, first handle has side opening in the side wall at bindiny mechanism, the corresponding of second handle can be accommodated Position is passed through in wherein, and formation is located at the Part I of the first handle on second handle, and first under second handle The Part II of handle.The Part I of wherein pivot through first handle then passes through the teeth groove of second handle, and then passes through The Part II of first handle.Tooth block is located inside the teeth groove of second handle, is engaged with teeth groove.

The side of tooth block has the tooth that can be engaged with cingulum, has a fixed part and elastic component in relative opposite side, The elastic component is connected on fixed part and offseted with the second handle.Specifically, fixed part can be a spring eye, described Elastic component, specially spring 8, spring is arranged in spring eye, is offseted with second handle.So, after trigger element is discharged, by In the effect of spring, the tooth of tooth block can recover interlocking pattern with the tooth on cingulum, so as to normal use.

In a second embodiment, as shown in figures 13-16, the outside of the pivot 11 has spiral second groove 12, Pilot pin 31 is provided with, the other end of the pilot pin stretches into the inside of the tooth block from sidepiece, and the trigger mechanism 4 also includes One trigger switch 41, after the trigger switch produces downward active force, the pilot pin 31 is along spiral second groove 12 produce rotation, so as to drive the tooth block 3 to rotate, so that tooth block departs from the occlusion in teeth groove, allow first handle edge Teeth groove moves with respect to second handle.

The trigger mechanism also includes being fixedly installed on having in the outside depression of the Part I of the first handle The ring gear 42 of internal tooth and the outside depression that Part I below the trigger switch in ring gear and in first handle is set Interior spring 43, trigger switch has external tooth, can be mutually engaged with the internal tooth of the ring gear.Under normal circumstances, trigger switch and Ring gear is released state, and under the action of the spring, trigger switch is jacked up by spring, the external tooth of trigger switch and the internal tooth of ring gear point From after trigger switch is pushed, the external tooth of trigger switch enters in the internal tooth of ring gear, because ring gear is fixes, so working as ring gear Internal tooth be engaged with the internal tooth of trigger switch after, trigger switch stops operating, and the pilot pin 31 is along spiral second groove 12 Rotation is produced, so as to drive the tooth block 3 to rotate.The internal diameter of the spring tapers into from bottom to trigger switch direction, bottom Portion is arranged on the outside of the Part I of the first handle in the ring gear 42 with internal tooth of depression, the bottom of top and trigger element Portion is in contact.

Pivot has less head on the trigger element of the outside of the Part I of the first handle on second handle top Portion, so as to the inside for the trigger element being fixed on outside first handle.And the other end, i.e. first handle Part II is outer Side, by a retaining element 10, the other end of pivot is fixed.The other end of pivot can be a screw thread, retaining element 10 be nut, by rotating screw thread to nut, fixed pivot axi.

Preferred embodiment of the present utility model described in detail above.It should be appreciated that the ordinary skill people of this area Member makes many modifications and variations without creative work can according to design of the present utility model.Therefore, all this technology necks Technical staff passes through logic analysis, reasoning or limited reality on the basis of existing technology according to design of the present utility model in domain Available technical scheme is tested, all should be in the protection domain being defined in the patent claims.

Claims (20)

1. a kind of adjustable pincers, including first handle and second handle, first handle front end is provided with the first clamping part, before second handle End has the second clamping part, first clamping part and second clamping part formation jaw, the first handle and described the Two handles are intersecting to be set, and is relatively fixed by bindiny mechanism, it is characterised in that the second handle is in the bindiny mechanism position Putting place has strip teeth groove, and the inside portion of teeth groove has cingulum, and the bindiny mechanism includes being arranged in the teeth groove determining Position latch and the link gear being connected with the positioning latch, the positioning latch has side tooth, with the cingulum on the teeth groove Mutually it is engaged, the link gear is arranged to that the positioning latch can be driven to rotate, and makes the side tooth on the positioning latch Depart from and be engaged with the cingulum, so that the first handle can relatively described second by the motion of the bindiny mechanism Handle moves along the teeth groove, and the link gear includes the triggering axle being connected with the positioning latch, has on the triggering axle There is trigger unit.

2. adjustable pincers as claimed in claim 1, it is characterised in that be unidirectional ratchet on the cingulum.

3. adjustable pincers as claimed in claim 2, it is characterised in that the triggering axle is arranged on the through hole of the positioning latch In, the trigger unit extends to the pressing part of the outer side surface of the first handle for triggering axle.

4. adjustable pincers as claimed in claim 3, it is characterised in that the link gear also includes needle roller, is arranged on described touch Send out described positioned at the opening position of the positioning latch, one end extending laterally from the triggering axle of the needle roller on axle The other end of needle roller is extended on the inclined-plane of the positioning latch.

5. adjustable pincers as claimed in claim 4, it is characterised in that the inclined-plane is located at the upside of the positioning latch through hole, And the one side of the side tooth position of the positioning latch on the downside of the positioning latch through hole.

6. adjustable pincers as claimed in claim 5, it is characterised in that the inclined-plane is since one side of the locator card flank tooth Gradually reduced on to the direction of another side.

7. adjustable pincers as claimed in claim 4, it is characterised in that the needle roller can be fixedly connected with the triggering axle or be One.

8. adjustable pincers as claimed in claim 4, it is characterised in that the lateral hole of the triggering axle is stretched into one end of the needle roller In, it is fixedly connected with the triggering axle.

9. adjustable pincers as claimed in claim 4, it is characterised in that the cross sectional shape of the triggering axle is with a breach It is circular.

10. adjustable pincers as claimed in claim 9, it is characterised in that the link gear also includes a lamellar body, and it has one Individual hollow hole, it is set to be enclosed on triggering axle, the hollow hole is adapted with the triggering axial section shape.

11. adjustable pincers as claimed in claim 10, it is characterised in that side wall of the first handle at the bindiny mechanism Upper to have side opening, the relevant position that can accommodate the second handle is passed through in wherein, forms first be located on second handle The Part I of handle, and the Part II of the first handle under second handle, wherein the triggering axle is through described the The Part I of one handle then passes through the teeth groove of the second handle, and then passes through the Part II of the first handle.

12. adjustable pincers as claimed in claim 11, it is characterised in that the first end of the triggering axle extends to first handle one The Part I of side, the second end extend to the Part II of first handle opposite side, wherein the trigger unit is located at described first Partial outside, fixed in the outside of the Part II by a retaining element and triggering axle.

13. adjustable pincers as claimed in claim 5, it is characterised in that the positioning latch on the downside of through hole with the side tooth phase To another side there is a fixed part and elastic component, the elastic component be connected on the fixed part and with the second handle Offset.

14. adjustable pincers as claimed in claim 13, it is characterised in that the fixed part is spring eye, and the elastic component is bullet Spring, the spring are arranged in the spring eye.

15. adjustable pincers as claimed in claim 4, it is characterised in that first clamping part and second clamping part it is interior The plane of side intersects angled, forms space among first clamping part and second clamping part, first clamping The inner side edge of portion and second clamping part is provided with striped, convenient clamping and occlusion.

16. adjustable pincers as claimed in claim 4, it is characterised in that first clamping part or the second clamping part can be with the One handle second is formed in one, and can also be linked together by connection means.

17. adjustable pincers as claimed in claim 12, it is characterised in that the lamellar body is located at the positioning latch and the fixation Between element.

18. adjustable pincers as claimed in claim 12, it is characterised in that the lamellar body is located at the inside of teeth groove, the lamellar body Outward flange is square to be coordinated with teeth groove inward flange.

19. adjustable pincers as claimed in claim 12, it is characterised in that the link gear also includes a stage clip, is arranged on In the outside depression of the Part I of the first handle, it is in contact with the trigger unit.

20. adjustable pincers as claimed in claim 4, it is characterised in that first clamping part and the second clamping part are set to flat Face, and inner side edge is provided with striped, and first clamping part is parallel with the plane of the inner side of second clamping part.