CN2289641Y - Automatic regulation pliers - Google Patents

Abstract

The utility model relates to a pair of autoregulation pliers which comprise a first pliers body and a second pliers body, wherein, a grinding tooth part is recessed on the neck part of the first pliers body; a ratchet part which is meshed with the grinding tooth part of the first pliers body is arranged on the upper part of a pliers tooth block; a torsion spring is pivoted on the second pliers body; a torsion spring is sheathed between two connection blocks, and one end of the torsion spring is pushed in the first pliers. A transmission block is pivoted and fixed between the two connection blocks, a sliding chute is arranged on the transmission block, and the convex parts of the two connection blocks are buckled in the sliding chute; the other end of the torsion spring is hooked by a hook part which is arranged on one end of the transmission block.

Description

Automatic adjustment type pliers

The utility model is relevant for a kind of automatic adjustment type pliers.

The utility application that the design people submitted on January 30th, 1996 discloses for No. 96201131.2 a kind of " adjustment type pliers automatically ", comprise one first caliper and second caliper, this caliper forms and utilizes relative latch to be pivoted for intersecting to be pivoted, all be provided with pincers tooth portion on it for the clamping pipe, also be provided with connecting block and drive block between the caliper, and be provided with ratchet part and lid in the second caliper both sides, so can be via the gearing of connecting block between caliper and drive block, and make caliper when clamping, the pincers tooth of caliper can be via the ratchet effect of ratchet part can according to wait to press from both sides the object size is adjusted fulcrum automatically and firmly clamping desire the body of clamping.Because the effect that the automatic adjustable pliers of this case is had is real quite a lot of, it not only can supply outside the workpiece of the firm clamping various sizes of operator, more need not do any adjustment and get final product free holding workpiece, quite time saving and energy saving, but since in this case structure between two connecting blocks the folded spring of establishing through on for a long time, after following friction is used, be easier to produce elastic fatigue and the more uncertain situation of operation, so structure convergence perfection more in order to make this case, and it is more certain in the operation, more difficult generation fault, the design people's research and development again, and be engaged in this series products manufacturing experience for many years with it, make great efforts and experiment through permanent, development and Design goes out automatic adjustment type pliers of the present utility model finally.

The purpose of this utility model is to provide a kind of automatic adjustment type pliers, it has mainly continued, and the characteristic of above-mentioned patent case is designed comes out, it not only can be than more certain in this case structure operation, and it more is difficult for breaking down, and can meet industrial utilization.

The technical solution of the utility model is:

A kind of automatic adjustment type pliers, it comprises one first caliper and second caliper, wherein first caliper is concaved with rodent part in its neck, one clamp tooth block which is provided with ratchet part, it is to be hubbed on second caliper, the rodent part engagement of this ratchet part and first caliper, one torque spring is hubbed on second caliper near clamp tooth block place and the top clamp tooth block of pulling, one spring one end is to be fixed on second caliper end before, end then is fixed on the waist of first caliper in addition, another spring then is to be fixed on first, the waist of second caliper is in first, fix the solid drive block of two connecting blocks and pivot between two calipers, it is characterized in that:

This two connecting blocks, one end is convexly equipped with a dome piece and a protuberance, the two connecting block other ends are then established a projection, and between the projection of two connecting blocks a sheathed torque spring, the left and right two ends of this torque spring then are convexly equipped with a flexure strip, and are pulled in first caliper in torque spring one end flexure strip top;

One drive block is that pivot is fixed between two connecting blocks, and utilize a pivot pin drive block one end pivot to be fixed in the dome interblock of two connecting blocks, this drive block is provided with a chute, the protuberance of two connecting blocks is buckled in this chute, and drive block one end is provided with a hook part, the flexure strip of establishing the described torque spring other end is colluded in this hook part, and the drive block other end then is fixed in second caliper.

Described automatic adjustment type pliers is characterized in that: wherein pivot is consolidated a lid on the clamp tooth block of second caliper.

Effect of the present utility model is:

By the above, this is created automatic adjustment type pliers it prolongs the advantage of the former structure of application case formerly of having used aforementioned the design people fully in use as can be known, and the shortcoming that the spring that its two connecting blocks therebetween is established is easy to generate friction up and down improved fully, so that this case is more certain in operation, can say so quite has industrial utilization, is taken turns with regard to above wheel point now and states:

This creates automatic adjustment type pliers, it is with the folded spring of establishing between two connecting blocks, do not reach the higher shortcoming of fault rate really and improved completely through being easy to generate operation after upper and lower friction because of it is long-term, because this case with script be located in interior spring change be located at be located in outside, and can push up and pull in first caliper, so can make this case in operation more really and fault rate is reduced many so that this case has more the value of industry utilization.

In sum, the automatic adjustment type pliers of this creation prolongs the creation spirit of having used described application case formerly really, and the shortcoming of U.S.-China's deficiency in the described application case has formerly been improved completely, so that it is more certain in this creation operation, and the life-span is also longer, is the creation of a suitable tool industrial utilization.

The preferred embodiment of this creation will cooperate appended graphic work one to be described in detail as follows, so that this creation can be obtained understanding further, wherein:

Fig. 1 is this decomposing schematic representation of creating automatic adjustment type pliers;

Fig. 2 is a schematic perspective view of creating automatic adjustment type pliers for this;

Fig. 3 is a floor map of creating automatic adjustment type pliers for this;

Fig. 4 is a floor map of creating automatic its interlock pipe of adjustment type pliers for this; And

Fig. 5 creates the automatic adjustment type pliers floor map of interlock and the application of force for this.

The utility model illustrated embodiment in conjunction with the accompanying drawings is described in detail as follows:

A kind of automatic adjustment type pliers of this creation, see also shown in Figure 1, it mainly comprises one first caliper 3 this automatic adjustment type pliers, this first caliper 3 is to comprise that a shape is referred to as the first female caliper 30 and the first sub-caliper 31 fully relatively, its first mother, sub-caliper 30,31 all form pincers tooth portion 301 at front end, 311, and be concaved with rodent part 302 in its neck, 312, and its first mother, sub-caliper 30, the rear end all is provided with several pin-and-holes 303 before 31,313, and first mother, sub-caliper 30,31 end also utilizes rivet 321,322 are pivoted a spacer block 32 is fixed on first mother, sub-caliper 30, between 31 ends, and its first mother, sub-caliper 30, the pincers tooth portion 301 of 31 front ends, pincers tooth portion 301 relatively then is pivoted between 311, the pincers piece 331 of 311 shapes, 332.

Be provided with one second caliper 4 in addition, this second caliper 4 is to comprise complete relative second a female caliper 40 and second a sub-caliper 41, its two second mother, sub-caliper 40,41 all form pincers tooth portion 401 at front end, 411, and its second mother, sub-caliper 40, the rear end all is provided with several pin-and-holes 403 before 41,413, and second mother, sub-caliper 40,41 end also utilizes rivet 421,422 are pivoted a spacer block 42 is fixed on second mother, sub-caliper 40, between 41 ends, and its second mother, sub-caliper 40, the pincers tooth portion 401 of 41 front ends, 411 both sides then are pivoted and clamp tooth portion 401 relatively, the pincers piece 431 of 411 shapes, 432.

Please continue referring to Fig. 1, shown in 3, so can utilize a rivet respectively with lid 34, second female caliper 40, the same end of the second sub-caliper 41 and relative lid 37 thereof is hubbed on together, and first, second connecting block 35, one of 36 ends then are convexly equipped with dome piece 351 respectively to the inside, 361 and one protuberance 352,362, the other end then is convexly equipped with a projection 354,364, so this first and second connecting block 35,36 projection 354,364 can be nested with a torque spring 353, utilize a pivot pin 355 to pass first again, second connecting block 35,36 dome piece 351,361 and the circular hole 381 of drive block 38 fixedly be pivoted, and make its two protuberance 352 again, 362 can buckle in the set chute of drive block 38 382 with along its slip, wherein the flexure strip 3531 of torque spring 353 1 ends relies in first caliper 3, and 3532 of the flexure strips of the other end collude on the hook part 383 of being located at drive block 38; Be provided with an axle piece 44 with both sides nose bar 441 in addition, its piece 44 is second mothers that are pivoted respectively, sub-caliper 40,41 and two clamp tooth blocks 45,46, its nose bar 441 is quilt two lids 34 up and down then, 37 clamp fixing, and at clamp tooth block 45, end is formed with ratchet part 451 within 46,461, be provided with a tension spring 47 in addition again, and this tension spring 47 and collude respectively and be located at first, two calipers 3,4 collude hole 305,315, on 405 and 415, so can utilize the elastic force effect of tension spring 47, and can pull on the exterior region 316 of first caliper 3 so that the edge portion 4311 of pincers piece 431 pushes up.

Please referring again to Fig. 2, this creation stereogram the best be find expression in shown in Figure 2.

Please referring to shown in Fig. 2,3, wherein Fig. 3 creates the schematic diagram of automatic adjustment type pliers under nature for this, 3 of pivot pin 355 on the pin hole 304 of its first caliper 3 that is pivoted and the pin hole 404 of second caliper 4 and the drive block 38 is to be a straight line approximately, and make the edge portion 4311,4322 of pincers piece 431,432 of its second caliper 4 can withstand on edge 316 before first caliper 3 because of the elastic reaction of tension spring 47, and the bottom that this moment, torque spring 452 can push up the clamp tooth block 45,45 of pulling is buckled in rodent part 302,312.

Please referring again to shown in Figure 4, when this creates automatic adjustment type pliers at the interlock pipe, 3 of pivot pin 355 on the pin hole 304 of its first caliper 3 that is pivoted and the pin hole 404 of second caliper 4 and the drive block 38 is that appointment becomes an obtuse triangle, and also there be not the application of force because of first, second caliper 3,4 this moment, the edge portion 4311,4322 of the pincers piece 431,432 of its second caliper 4 still can push up before first caliper 3 of pulling edge 316 and this moment torque spring 452 clamp tooth block 45,46 of can the top pulling it is moved to being buckled in first rodent part 302,312 that clamps piece 3;

Please referring again to shown in Figure 5, when this creates automatic adjustment type pliers at the interlock pipe and again during the application of force, 3 of pivot pin 355 on the pin hole 304 of its first caliper 3 that is pivoted and the pin hole 404 of second caliper 4 and the drive block 38 is the obtuse triangle that is a smaller angle approximately, and because first, second caliper 3,4 the application of force and can make its tension spring 47 be stretched, so pincers piece 431 of its second caliper 4,432 edge portion 4311,4322 can force by edge 316 before disengaging first caliper 3, and this moment, the clamp tooth block 45 of pulling was pushed up in torque spring 452 meetings, 46 and make its ratchet part 451,461 can be engaged to the rodent part 302 of the first pincers piece 3, on 312, connecting block 35 in addition, 36 two protuberances 352,362 in the chute 382 of drive block 38 toward front slide, torque spring 353 is inwardly compression then, but so just the mat said structure reaches the advantage of " operation really " and " being difficult for producing fault ".

Claims (2)

1, a kind of automatic adjustment type pliers, it comprises one first caliper and second caliper, wherein first caliper is concaved with rodent part in its neck, one clamp tooth block which is provided with ratchet part, it is to be hubbed on second caliper, the rodent part engagement of this ratchet part and first caliper, one torque spring is hubbed on second caliper near clamp tooth block place and the top clamp tooth block of pulling, one spring one end is to be fixed on second caliper end before, end then is fixed on the waist of first caliper in addition, another spring then is to be fixed on first, the waist of second caliper is in first, fix the solid drive block of two connecting blocks and pivot between two calipers, it is characterized in that:

This two connecting blocks, one end is convexly equipped with a dome piece and a protuberance, the two connecting block other ends are then established a projection, and between the projection of two connecting blocks a sheathed torque spring, the left and right two ends of this torque spring then are convexly equipped with a flexure strip, and are pulled in first caliper in torque spring one end flexure strip top;

One drive block is that pivot is fixed between two connecting blocks, and utilize a pivot pin drive block one end pivot to be fixed in the dome interblock of two connecting blocks, this drive block is provided with a chute, the protuberance of two connecting blocks is buckled in this chute, and drive block one end is provided with a hook part, the flexure strip of establishing the described torque spring other end is colluded in this hook part, and the drive block other end then is fixed in second caliper.

2, automatic adjustment type pliers according to claim 1 is characterized in that: wherein pivot is consolidated a lid on the clamp tooth block of second caliper.

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