CN2353488Y

CN2353488Y - Clamping tool

Info

Publication number: CN2353488Y
Application number: CN 98247941
Authority: CN
Inventors: 王衍裕
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-12-08
Filing date: 1998-12-08
Publication date: 1999-12-15
Anticipated expiration: 2008-12-08

Abstract

The utility model relates to a clamping tool, comprising a fixed component, a movable component and a positioning member. The movable component in the annular moving groove of the fixed component can move synchronously when a pushing rod moves inside a sliding hole; the positioning member is used for restricting the displacement of the movable component, restricting the displacement of the pushing rod, and simultaneously restricting the distance between a fixed jaw and a movable jaw. Therefore, the utility model has non-pitch adjusting function.

Description

Clamping tool

The utility model relates to a kind of hand-held gripping tool, refers to a kind of adjustment fixed jaw and movable jaw spacing of can not having pitch especially, and the clamping tool of being fixed.

As shown in Figure 9, it is existing clamping tool, its first assembly 81 is provided with first chute 84 that can move for the fixture 83 of second assembly 82, and borrow that the chimeric tooth 86 of its latch 85 and first chute 84 blocks mutually after fixture 83 deflections, make the jaw 87 of first assembly 81 and second assembly 82 can clamp working substance.Though can producing, this kind clamping tool clamps working substance strength, but the chimeric tooth 86 of the latch 85 of fixture 83 and first chute 84 all has pitch, also makes the two have pitch when blocking mutually, form the restriction of jaw 87 clamped positions, and then cause the inconvenience in the use.

Other has a kind of pliers as shown in figure 10, it mainly is an end that articulates connecting rod 92 at movable handle 91, and connecting rod 92 other ends stretch into fixed handle 93, and connect can slippage in fixed handle 93 wedge 94, and in fixed handle 93, establish stopper 95 with oblique blocking surface.By the position of stopper 95 to adjust the openings of sizes of fixed jaw 96 and movable jaw 97, and when holding activity handle 91 with a firm grip, movable jaw 97, movable handle 91, connecting rod 92 and 94 3 pivoting points of wedge are in line, forming elbow section action, so as to the working substance of be fixedly clamped 97 of jaw 96 and movable jaws.Yet the stopper 95 of this kind pliers forms reaction force with the inwall of fixed handle 93 to the wedge 94 that pushes against, and the application of force generation resistance to movable handle 91 causes when using and more requires great effort.

Main purpose of the present utility model is, provide a kind of clamping tool for solving the above problems, borrow the moving assembly in the annular movement groove on the fixation kit movable component push bar be arranged in sliding eye can same moved further when mobile, and borrow align member restriction moving assembly to move, restriction simultaneously pushes that bar moves and the spacing of fixed jaw and movable jaw, makes it have no pitch adjustment function.

The purpose of this utility model is realized by following technical scheme.

A kind of clamping tool, it is characterized in that, it comprises: a fixation kit, the lower end of this fixation kit has a fixed handle, and the upper end of this fixation kit has a fixed jaw, is connected with a stage casing between this fixed jaw and the fixed handle, and the inside in this stage casing has a shifting chute that is microscler ring-type, be provided with at least one moving assembly in this shifting chute, epimere two sides of this shifting chute have a microscler and sliding eye that tilt with angle with the stage casing respectively; One movable component, its upper end has a movable jaw that can lean with the fixed jaw of fixation kit, the bottom of this movable jaw has a through hole that runs through movable component and pass for the stage casing of fixation kit, this movable component has the sliding eye that passes the stage casing at the through hole place, and is incorporated into the bar that pushes of moving assembly; In addition, the hypomere of this movable component has a flexible handle; One location member is positioned at shifting chute one side of fixation kit, and fixedly moving assembly, and restriction pushes bar and moves, with the fixing distance between fixed jaw and movable jaw.

The purpose of this utility model can also further realize by following technical measures.

This fixation kit is to form relatively with one first plate and one second plate; This movable component is then formed with two plate bodys.This align member is a toggle mechanism, this toggle mechanism is located between the flexible handle of the fixed handle of fixation kit and fixation kit, this toggle mechanism has one first bar, one end of this first bar is articulated in flexible handle, the other end of this first bar then is articulated in the lower end of one second bar upper end and one the 3rd bar, the lower end of this second bar then is articulated in fixed handle, and the upper end of the 3rd bar is in conjunction with a part that pushes against of being located at the accommodation section.This moving assembly is formed with most individual movably balls, also can be the chain of an annular.The epimere bottom of the shifting chute of this fixation kit has one and extends the accommodation section downwards.

Concrete structure of the present utility model is provided in detail by following examples and accompanying drawing thereof.

Fig. 1 is the schematic perspective view of the utility model first embodiment.

Fig. 2 is the perspective exploded view of the utility model first embodiment.

Fig. 3 is the side view of the utility model first embodiment when not opening.

Fig. 4 is that fixed jaw and the movable jaw of the utility model first embodiment clamped working substance, but the side view of toggle mechanism fixedly the time.

Fig. 5 is that fixed jaw and the movable jaw of the utility model first embodiment clamped working substance, the side view of toggle mechanism fixedly the time.

Fig. 6 is the perspective exploded view of the utility model second embodiment.

Fig. 7 is the side view of the utility model the 3rd embodiment.

Fig. 8 is the cutaway view of VIII-VIII shown in Figure 7.

Fig. 9 is a side view of commonly using clamping tool

Figure 10 is a structure cutaway view of commonly using pliers

See also Fig. 1 to Fig. 5, present embodiment is a pipe wrench, comprise: a fixation kit 1, formed relatively with one first plate 11 and one second plate 12, the lower end of this fixation kit 1 has a fixed handle 13, the place has an adjustment hole 131 of running through two side faces in the middle of this fixed handle 13, and the upper end of this fixation kit 1 has a fixed jaw 14.Be connected with a stage casing 15 between this fixed jaw 14 and the

fixed handle

13,15 relative inner face has a depression respectively and is microscler annular enclosed shifting chute 16 in the stage casing for this first plate 11 and second plate 12.Be provided with a moving assembly 17 with most balls 171 compositions in this shifting chute 16, epimere two sides of this shifting chute 16 have a microscler and sliding eye 18 that tilt with angle with stage casing 15 respectively, and the epimere of this shifting chute 16 bottom has an accommodation section 19 of extending downwards.

One movable component 2, formed with two plate bodys, the upper end of this movable component 2 has a movable jaw 21 that can lean with the fixed jaw 14 of fixation kit 1, the bottom of this movable jaw 21 has a through hole 22 that runs through movable component 2 and pass for the stage casing 15 of fixation kit 1, this movable component 2 has the sliding eye 18 that passes stage casing 15 at through hole 22 places, and pushes bar 23 on 171 on adjacent two balls.In addition, the hypomere of this movable component 2 has a flexible handle 24.

One location member, present embodiment is a toggle mechanism 3, be located between the flexible handle 24 of the fixed handle 13 of fixation kit 1 and fixation kit 2, this toggle mechanism 3 has one first bar 31, this first bar 31 be articulated in flexible handle 24 near an ora terminalis place, and in the upper end of this end in conjunction with a spring 39, the lower end of this spring 39 then is incorporated on the flexible handle 24, the other end of this first bar 31 then is articulated in the lower end of one second bar, 32 upper ends and one the 3rd bar 33, the lower end of this second bar 32 then connects a screw rod 35, be provided with one in this screw rod 35 and adjust button 36, this adjustment button 36 is arranged in the adjustment hole 131 of fixed handle 13, and the upper end of the 3rd bar 33 in conjunction with one be located at accommodation section 19 push against part 34.This toggle mechanism 3 is provided with a cam 37 with the side of separating of first bar 31 on fixed handle 13, this cam 37 is in conjunction with a turn-button 38 of being located at fixed handle 13 outsides, and the eccentric part of this cam 37 can prop up the pivot joint position of second bar 32 and the 3rd bar 33, makes this second bar 32 and the 3rd bar 33 in line unlikely.

See also Fig. 3 to shown in Figure 5, when using the utility model, at first open fixed handle 13 and flexible handle 24, because the pushing bar 23 and can promote ball 171 downwards of this works kind assembly 2, this majority ball 171 promptly moves along shifting chute 16, make fixed jaw 14 and movable jaw 21 smooth opening, when if desire clamps working substance 4, the user grasps fixed handle 13 and flexible handle 24, because this spring 39 is held first bar 31 of toggle mechanisms 3, make hold with a firm grip at the beginning of this first bar 31 directly do not prop up second bar 32 and the 3rd bar 33, so this pushes bar 23 and promptly back promotes ball 171, and the fixed jaw 14 and the spacing of movable jaw 21 are dwindled, and clamp working substance 4.Because fixed jaw 14 is clamped working substance 4 at this moment with movable jaw 21 and still can be opened, the user firmly is fixed handle 13 and flexible handle 24 again, this flexible handle 24 promptly compresses first bar 31 of

toggle mechanism

3,31 on this first bar pushes second bar 32 and the 3rd bar 33, this second bar 32 and the 3rd bar 33 are stretched, and make this second bar 32 and the 3rd bar 33 can produce linear thrust upwards, the 3rd bar 33 tops push against part 34, can upwards prop up the ball 171 of shifting chute 16, ball 171 in this shifting chute 16 can be pushed against, and do not have the restriction on the pitch.After this majority ball 171 is pushed against, and restriction pushes moving of bar 23, and the spacing that limits fixed jaw 14 and movable jaw 21 simultaneously can not change, to reach the purpose that clamps working substance 4.

Because after toggle mechanism 3 was fixed, the user was difficult for one hand fixed handle 13 and flexible handle 24 being pulled open.If when desiring to pull open easily with one hand, must rotate turn-button 38 earlier, make the eccentric position of cam 37 prop up the pivot joint position of second bar 32 and the 3rd bar 33, and borrow spring 39 to spur the pulling force of first bar 31, make the user to pull open fixed handle 13 and flexible handle 24 by one hand, can draw back first bar 31 of toggle mechanism 3, and make the part 34 that pushes against on the 3rd bar 33 no longer prop up ball 171, so ball 171 can move in shifting chute 16, this fixed jaw 14 can be opened with the spacing of movable jaw 21.In addition, above-mentioned screw rod 35 is adjusted button 36 and adjusts mobile, can change toggle mechanism 3 and push against moving assembly 17 strength, and the gap of eliminating this majority ball 171, to adjust the clamping force of fixed jaw 14 and movable jaw 21, and this toggle mechanism 3 can't be to flexible handle 24 generation resistances, so can not require great effort on using.

From the above, the utility model can one-handed performance when cooperating cam 37 to use, and makes things convenient for another hand to hold article, increases the convenience of operation, and can not have the adjustment displacement of pitch.And above-mentioned moving assembly 17 is not limited to most balls 171, and belt, chain ... Deng all can.

Certainly, still there are many examples in the utility model, therebetween the only variation on the details.See also shown in Figure 6ly, the flexible transmitting assembly 5 of second embodiment of the present utility model is a chain, and this moving assembly 5 also can not have moving smoothly of pitch in shifting chute 51, and making present embodiment also can reach first embodiment does not have the purpose that pitch is adjusted.

See also Fig. 7, shown in Figure 8, the 3rd embodiment of the present utility model is a monkey wrench, movable jaw 61 bottoms of this movable component 6 are to be coated on fixed handle 62 outsides, what be connected in movable jaw 61 in flexible handle 63 upper ends of movable component 6 pushes bar 64, and the epimere of this flexible handle 63 is positioned at fixed handle 62, and being incorporated into an end of a spring 65, the other end of this spring 65 then is connected in fixed handle 62, has a toggle mechanism 7 in this fixed handle 62.The upper end connection one of this toggle mechanism 7 pushes against an end of bar 71, this other end that pushes against bar 71 then is articulated in fixed handle 62, borrowing flexible handle 63 to drive movable jaw 61 moves, and prop up toggle mechanism 7, it is stretched, and make to push bar 64 deflections and prop up moving assembly 66, with the distance of restraint jaw 61 with fixed jaw 67.

Claims

1. clamping tool is characterized in that it comprises:

One fixation kit, the lower end of this fixation kit has a fixed handle, and the upper end of this fixation kit has a fixed jaw, be connected with a stage casing between this fixed jaw and the fixed handle, the inside in this stage casing has a shifting chute that is microscler ring-type, be provided with at least one moving assembly in this shifting chute, epimere two sides of this shifting chute have a microscler and sliding eye that tilt with angle with the stage casing respectively;

One movable component, its upper end has a movable jaw that can lean with the fixed jaw of fixation kit, the bottom of this movable jaw has a through hole that runs through movable component and pass for the stage casing of fixation kit, this movable component has the sliding eye that passes the stage casing at the through hole place, and is incorporated into the bar that pushes of moving assembly; In addition, the hypomere of this movable component has a flexible handle;

One location member is positioned at shifting chute one side of fixation kit, and fixedly moving assembly, and restriction pushes bar and moves, with the fixing distance between fixed jaw and movable jaw.

2. clamping tool according to claim 1 is characterized in that, this fixation kit is to form relatively with one first plate and one second plate; This movable component is then formed with two plate bodys.

3. clamping tool according to claim 1, it is characterized in that, this align member is a toggle mechanism, this toggle mechanism is located between the flexible handle of the fixed handle of fixation kit and fixation kit, this toggle mechanism has one first bar, one end of this first bar is articulated in flexible handle, the other end of this first bar then is articulated in the lower end of one second bar upper end and one the 3rd bar, the lower end of this second bar then is articulated in fixed handle, and the upper end of the 3rd bar is in conjunction with a part that pushes against of being located at the accommodation section.

4. clamping tool according to claim 1 is characterized in that, this moving assembly is formed with most individual movably balls.

5. clamping tool according to claim 1 is characterized in that, the epimere bottom of the shifting chute of this fixation kit has one and extends the accommodation section downwards.

6. clamping tool according to claim 1 is characterized in that, this moving assembly is the chain of an annular.