CN2276398Y - Automatic regulating pliers - Google Patents

Abstract

The utility model relates to an automatic regulating clamp, which mainly comprises a first clamp body and a second clamp body. The utility model is characterized in that the clamp bodies are crossly pivoted by an opposite bayonet pin; the clamp bodies are both provided with clamp teeth parts for clamping a pipe, and a clamp teeth part is arranged between the two clamp bodies for clamping the pipe; a connecting block and a transmission block are arranged between the clamp bodies; ratchet parts and cover bodies are arranged on both sides of the second clamp body. So via the transmission effect of the connecting block and the transmission block, the fulcrum of the clamp teeth of the clamp bodies can be adjusted automatically by the action of the ratchets on the ratchet parts according to the size of a clamped object to clamp the pipe which needs to be clamped when the clamp bodies clamp the pipe.

Description

Automatic adjustment type pliers

The utility model relates to a kind of automatic adjustment type pliers, it is stronger to be particularly related to a kind of not only structure steadiness, and have more the pliers of practicality, it is under the condition of not destroying the script structure, and can be so that it is structural more firm, moreover it is a kind of nothing section adjustment mode, thereby the pipe wrench of a kind of processing ease of consumer more can be provided.

Pliers is one of the most frequently used instrument of general work person, it not only has special effect aspect the locking water pipe, can also be used for other functions such as locking screw or holding workpiece, especially in the facility considerably of can saying so aspect the variation workpiece size, and than general vice, spanner is convenient, so use pliers can say so quite general.

And the pliers 1 of the first generation as shown in Figure 1, it comprises that mainly one drives caliper 10 and from moving caliper 15, the position is provided with the brake hole 11 of several connections between among these driving caliper 10 front ends, and from moving caliper 15, also be provided with an axis hole, for cooperating nut together with a screw 12 with both pivot knots, thereby can be so that when screw 12 is fastened on the different braking slotted eyes 11, drive caliper 10 and from the jaw 13 of moving caliper 15,14 can vise object or water pipe, but its extended problem also can be said suitable many, because:

1, because its two caliper 10,15 is to be consolidated with screw 12 nuts, so clearly when pliers 1 after start a period of time, the combination of its screw 12 and nut will inevitably be become flexible, so its lock knot effect just can be quite bad, and must just to be locked the locking of its screw 12 and nut again every several days with other instrument, considerably inconvenient and impracticable.

2, it must be buckled on the braking slotted eye 11 with screw 12 nuts, just can exercise and clamp together start, and be the chelation with different size, when the instrument of the different sizes of while gripping, must change the position of braking slotted eye often, and the conversion fulcrum is to do different clampings, otherwise can't use, but also because so, it is being done when clamping together start, bothersome time-consuming again because of not stopping the conversion fulcrum, it is quite inconvenient to say so.

3, owing in the middle of the front end that drives caliper 10, be provided with the braking slotted eye 11 of connection; thereby can know; it can cause structural destruction owing to brake the design of slotted eye 11; thereby the first half that drives caliper 10 is structural relatively poor; so in use; usually can find to drive caliper 10 can begin fracture by front end, does not meet practicality.There is the people just to design second generation pliers 2 afterwards, as shown in Figure 2, it comprises that similarly driving caliper 20 reaches from moving caliper 21, brake slotted eye 22 and in the middle of the front end that drives caliper 20, also be provided with one, similarly can be with the combination of a screw 23 and nut with two calipers 20,21 in addition the pivot knot is together, and drive be provided with on the caliper 20 the sliding ditches 24 of several arcs that run through for from moving caliper 21, be convexly equipped with etc. arc bump can slide on some sliding ditches 24, and feasible two calipers 20 that drive, 21 o'clock can be so that two jaws 25,26 can vise object, though it makes can be convenient in operation, but it is still with screw 23 and cooperates nuts two calipers 20 that lock, 21, so its lock knot effect is still bad, equally needing every three days will be again with other instrument locking screw 23, nut, in addition, it also cuts open on caliper 20 and is provided with braking slotted eye 22, so similarly also be because the destruction of its global shape, and can cause its structural fragility, and the replacing fulcrum that when being used for the workpiece of clamping different size, still must not stop, thereby also be quite to waste time and energy, so comprehensively, second generation pipe wrench 2 is only good than first generation pliers 1 operability, but its important disappearance does not significantly improve yet.

In view of this, the research of the design people's active development, phase can be created a kind of above-mentioned various shortcomings of commonly using device construction that can be used for improving, and the designer is to be engaged in this series products manufacturing experience for many years, through permanent research and experiment, finally development and Design goes out the utility model automatic adjustable pliers, and can all consumers in Jiahui.

A purpose of the present utility model is to provide a kind of automatic adjustment type pliers, it not only can reach the effect of general clamping article, and on its structure, do not destroy original structure, so its structure is quite firm, be not easy fracture, and when the workpiece of clamping various sizes, need not do any adjustment at all and get final product free clamping, quite time saving and energy saving, it is big that the practicality that it had is also commonly used pliers, quite has the value on the industry.

According to a kind of automatic adjustment type pliers of the present utility model, it mainly comprises one first caliper, this first caliper comprises complete relative first a female caliper and first a sub-caliper, first mother, sub-caliper all form pincers tooth portion at front end, and be concaved with rodent part in its neck, and the front and back end at first mother, sub-caliper all is provided with several rivets, and the end of first mother, sub-caliper utilizes rivet that one spacer block is pivoted to be fixed between first mother, the sub-caliper end, and the pincers piece of pincers tooth portion shape relatively then is pivoted between the pincers tooth portion of first mother, sub-caliper front end;

Be provided with one second caliper in addition, this second caliper comprises complete relative second a female caliper and second a sub-caliper, second mother, sub-caliper all form pincers tooth portion at front end, and the front and back end at second mother, sub-caliper all is provided with several pin-and-holes, be fixed between second mother, the sub-caliper end and utilize rivet that one spacer block is pivoted at the end of second mother, sub-caliper, the pincers piece of pincers tooth portion shape relatively then is pivoted between the pincers tooth portion of second mother, sub-caliper front end;

So can utilize a latch respectively with lid, first female caliper, first connecting block, second connecting block, second female caliper, the second sub-caliper, the same end of the first sub-caliper and relative lid thereof rivets together, and wherein said first and second connecting block is a trigone, the one end is convexly equipped with the dome piece respectively to the inside, and be convexly equipped with a protuberance respectively at its other end, the dome piece of this first and second connecting block is inserted in the circular hole of a drive block more respectively so can be nested with a torque spring earlier, and can utilize a pivot pin fixedly to be pivoted again, and make its two protuberance can buckle in the set chute of drive block and again along slip; Be provided with in addition one have the both sides nose bar the axle piece, its piece be pivoted respectively second mother, sub-caliper and two ratchet pieces, its nose bar is then in order to be fixed to two lids up and down, and the inner at the ratchet piece forms ratchet part, be provided with a tension spring in addition again, and this tension spring colludes respectively and is located on the rivet that second caliper and first caliper plant, and is the overall structure of the automatic adjustment type pliers of the utility model so.

And the automatic adjustment type pliers of the utility model in use, 3 of the latch of its first caliper that is pivoted and the latch on the drive block is to be a straight line substantially, and the edge portion of the pincers piece of second caliper withstands on the leading edge of first caliper, and this moment, the bottom of torque spring top system ratchet piece was buckled on the rodent part, when the automatic adjustment type pliers of the utility model during at the interlock pipe, 3 of the rivet of first caliper that it was pivoted and the rivet on the drive block can become an obtuse triangle substantially, and the edge portion of the pincers piece of second caliper also is the leading edge that equally breaks away from first caliper, and torque spring can push up system ratchet piece and its ratchet part was engaged on the rodent part of the first pincers piece this moment, and can reach the structure of the solid interlock of quite stable.

Preferred embodiment of the present utility model will cooperate appended accompanying drawing to do detailed being described as follows: so that can obtain further to understand to the utility model, wherein:

Fig. 1 is a kind of schematic appearance of commonly using pliers;

Fig. 2 is the another kind of schematic appearance of commonly using pliers;

Fig. 3 is the decomposing schematic representation of automatic adjustment type pliers of the present utility model;

Fig. 4 is the generalized section of the connecting block combination of the automatic adjustment type pliers of the utility model;

Fig. 5 is the nature schematic perspective view of automatic adjustment type pliers of the present utility model;

Fig. 6 is the floor map of the nature of the automatic adjustment type pliers of the utility model;

Fig. 7 is the state diagram of the automatic adjustment type pliers of the utility model interlock pipe;

Fig. 8 is the floor map of the automatic adjustment type pliers of the utility model interlock pipe;

Fig. 9 a is the automatic adjustment type pliers of the utility model interlock and the state diagram of the application of force;

Fig. 9 b is the automatic adjustment type pliers of the utility model interlock and the floor map of the application of force;

Figure 10 is the automatic adjustment type pliers of the utility model interlock and the floor map of the application of force;

Figure 11 is another embodiment schematic appearance of the automatic adjustment type pliers of the utility model;

Figure 12 is the nature figure of another embodiment of the automatic adjustment type pliers of the utility model; And

Figure 13 is the cardon of doing of another embodiment of the automatic adjustment type pliers of the utility model.

The utility model relates to a kind of automatic adjustment type pliers, see also Fig. 3 and shown in Figure 4, this automatic adjustable pliers mainly comprises one first caliper 3, this first caliper 3 comprises complete relative first a female caliper 30 and first a sub-caliper 31, 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 first mother, sub-caliper 30,31 front and back end all is provided with a plurality of pin-and-holes 303,313, and first mother, sub-caliper 30,31 end utilizes rivet 321,322 are pivoted a spacer block 32 is fixed on first mother, sub-caliper 30, between 31 ends, and 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 comprises complete relative second a female caliper 40 and second a sub-caliper 41, second mother, sub-caliper 40,41 all form pincers tooth portion 401 at front end, 411, and second mother, sub-caliper 40,41 front and back end all is provided with several pin-and-holes 403,413, and second mother, sub-caliper 40,41 end utilizes rivet 421,422 are pivoted a spacer block 42 is fixed on second mother, sub-caliper 40, between 41 ends, and 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 referring to Fig. 4, shown in 5, 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 connecting block 35, an end of 36 then is convexly equipped with dome piece 351 respectively to the inside, 361, and be convexly equipped with a protuberance 352 respectively at its other end, 362, so this first and second connecting block 35,36 dome piece 351,361 can be nested with a torque spring 353 earlier, be inserted in respectively again in the circular hole 381 of a drive block 38, and can utilize a pivot pin 354 fixedly to be pivoted again, this some sees also shown in Figure 4, and makes two protuberances 352 again, 362 can buckle in the set chute of drive block 38 382 and along slip; Be provided with in addition one have both sides nose bar 441 the axle piece 44, this piece 44 second mother that is pivoted respectively, sub-caliper 40,41 and two ratchet pieces 45,46, nose bar 441 is quilt two lids 34 up and down then, 37 clamp fixing, and at ratchet piece 45, the inner of 46 is formed with ratchet part 451,461, moreover two torque spring 452,462 setting is to be used for top system ratchet piece 45,46 usefulness, also be provided with a tension spring 47 in addition, and this tension spring 47 colludes respectively and is located at first, two calipers 3,4 collude hole 305,315, on 405 and 415, so can utilize the pulling force effect of tension spring 47 to make the edge portion 4311 of pincers piece 431 push up on the exterior region 33 of first caliper 3.

And the utility model in use, please referring to Fig. 5, shown in 6, this figure is the schematic diagram of the utility model automatic adjustable pliers under nature, 3 of rivet 354 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 are a straight line substantially, and make the pincers piece 431 of its second caliper 4 because of the elastic reaction of tension spring 47,432 edge portion 4311,4322 withstand on the leading edge 331 of first caliper 3, and this moment torque spring 452,462 top system tooth pieces 45,46 bottom 453,463 are buckled in rodent part 302, on 312, this some sees also shown in Figure 6, please referring again to shown in Fig. 7 and 8, when the utility model automatic and adjustable integral expression pliers during at the interlock workpiece, 3 of rivet 354 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 can become a straight line substantially, this moment, the user began second caliper 4 is executed just like the power of the direction of arrow at this moment because of imposing on caliper 3,4 power is less than the torsion of torque spring 353, so pincers piece 431 of second caliper 4,432 edge portion 4311,4322 still can push up the leading edge 331 of making first caliper 3, and this moment torque spring 452,462 still can push up system ratchet piece 45,46 make it to the rodent part 302 that is buckled in the first pincers piece 3,312 move.

See also shown in Fig. 9 b, second caliper 4 can move (as the direction of arrow) forward when the user continues according to the direction of arrow application of force, the bottom 453,463 of ratchet piece 45,46 arrives to the back 334 of first caliper 3 and produces rotation as its upward arrow direction, complete as yet and rodent part 302,312 applyings of the ratchet part 451,461 of ratchet piece 45,46 at this moment, state shown in Fig. 9 b.

Please referring again to Fig. 9 a and shown in Figure 10, when the automatic adjustment type pliers of the utility model just at the interlock pipe and when continuing again the application of force, 3 of rivet 354 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 are straight line substantially, and because caliper 3,4 the lasting application of force and this strength are greater than torque spring 353, then torque spring 353 begins distortion, make protuberance 352,362 move along chute 382, this some sees also shown in Figure 10, and the strength that imposes on caliper 4 makes tension spring 47 be stretched, so pincers piece 431 of its second caliper 4,432 edge portion 4311,4322 can be forced to break away from the leading edge 331 of first caliper 3, and ratchet piece 45,46 ratchet part 451,461 can be engaged to the rodent part 302 of the first pincers piece 3 fully along with moving of second caliper 4, on 312, and can reach the quite firmly structure of interlock.

Please referring again to Figure 11, shown in another embodiment of 12 and 13, can know connecting block 35 of the present utility model, 36 and the gearing that constituted of drive block 38 can replace with a spring 60, it can make equally at the interlock pipe and again during the application of force, because caliper 3,4 the application of force and make tension spring 47 be stretched, so pincers piece 431 of second caliper 4,432 edge portion 4311,4322 are forced to the leading edge 331 that breaks away from first caliper 3, and this moment, ratchet pieces 45 were made on torque spring 353 tops, 46 and make its sour jujube portion 451,461 are engaged to the rodent part 302 of the first pincers piece 3, on 312, and interlock quite firmly, a kind of embodiment that quite has practicality so can say so.

By the above, the dysplasia that pliers the produced disappearance do not commonly not used fully in use of the automatic adjustment type pliers of the utility model as can be known, and can make pliers clamping thing very firm and safely entirely, can say so quite has value on the industry, is discussed with regard to above argument now:

1, the automatic adjustment type pliers of the utility model, not only can reach the effect of general clamping thing, and on the structure of its caliper, do not have destruction or do not wear structures such as position or slotted eye, so this body structure of caliper is quite firm and the higher stress ability to bear of tool, do not take place so do not have the situation of easy fracture, quite have practicality.

2, the automatic adjustment type pliers of the utility model, it is quite convenient in the use, not only do not need conversion engagement width, that is it can reach a nothing section adjustment purpose, and need not go to adjust coincideing between it by two hands, so it has laborsaving and saves time and raises the efficiency, and can quite firm and practicality ground clamping workpiece.

3, each caliper of the utility model can drawing, need not be forging, but full automation production, can be rapidly between each caliper in addition riveted fix, can finish whole linkage editor, quite have value on the industry.

In sum, automatic adjustment type pliers of the present utility model has unprecedented innovation structure really, and it had not both seen any publication, and did not also see that on the market any similar products like is arranged, so it has novelty, should not have doubt.In addition, specific characteristic that the utility model had and function are far from the institute of commonly using and can compare, so it really has more its progressive than what it was commonly used.

Claims (3)

1, a kind of automatic adjustment type pliers, it is characterized in that, it mainly comprises first caliper and second caliper, wherein first caliper has rodent part in its neck, be pivoted with the ratchet piece of band ratchet part on second caliper, ratchet part on it is used for using with the rodent part of first caliper is identical, one torque spring also is hubbed on second caliper near ratchet piece place, it is used for pushing up system ratchet piece, one spring, the one end is fixed on the front end of second caliper, and the other end then is fixed on the first caliper waist, and another spring then is the waist that is fixed on first and second caliper.

2, automatic adjustment type pliers according to claim 1, but it is characterized in that pivot solid is in order to the lid of protection ratchet piece on the ratchet piece of second caliper.

3, automatic adjustment type pliers according to claim 1, it is characterized in that first and second connecting block, all be provided with the dome piece on it, it is used for being nested with torque spring, one drive block, which is provided with an arc chute and circular hole, first connecting block is hubbed on first caliper, second connecting block then is hubbed on second caliper, drive block is hubbed on first and second connecting block, wherein the protuberance on first and second connecting block stretches in the chute of drive block, and torque spring is directly arranged between the dome piece of first and second connecting block.

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