CN2629913Y - Pliers capable of increasing torque - Google Patents

Abstract

The utility model relates to a tool pincer used to increase the torque force which is composed of two pincer jaws with the individual pivot, wherein the two jaws are in the opposite directions and the two pincer jaws are articulated with a handle; the handle comprises two handle parts that are connected with the handle by the rear extending part of the pincer mouth; the mid part forms a hollow cavity that is the articulating position of the handles; after the two handles are combined together, the divided pivot and the connection shaft on the handle are used to create the structure increasing the pressure and then the torque can be increased as the tool pincer clamps the object.

Description

Increase the instrument pincers of torque application

Technical field

The utility model relates to the instrument pincers, specifically is meant a kind of instrument pincers that increase torque application.

Background technology

Hand-held tool of a great variety, and the instrument pincers are wherein a kind of common instruments.Typical instrument pincers have a pair of pincers jaw and corresponding handle in appearance, grasp the action that its handle just can be controlled a pair of pincers jaw.Pincers jaw of a great variety, utilize the difference of pincers jaw judge the kind of pliers be nipper plier, needle nose pliers also or angle jaw tongs or the like.Craftsman and house owner usually need be with these several pliers at one's side, if two kinds of pincers jaws commonly used can be with being incorporated in the single instrument someway, they only need an instrument rather than two different instruments so.Two kinds of different pincers jaws are incorporated in the single instrument, and this part instrument can become a knockdown instrument.In addition, previous technology please refer to the U.S. and invents the 5th, 245, No. 721 patents, be similarly the collapsible tool pincers, yet through looking into one of them shortcoming is exactly that one to one strength is used, in other words, impose the strength of ten pounds on handle, the strength that passes to the pincers jaw is exactly ten pounds, and the strength that imposes the object outside also just has only ten pounds, and the reason that causes result like this is because the instrument pincers that utilize prior art to make, the pivot of connecting axle on its handle and pincers jaw lists same, therefore if connecting axle and pivot just can obtain bigger leverage not on same position, the strength that for example imposes five pounds on handle just can be lived object and impose ten pounds strength clamping jaw, when tool-user attempt vacuum tube of unfolding or any needs impose under the situation of big strength, it is extraordinary that such design is used.

In view of this, this creator is studied improvement and creates and design a kind of instrument pincers that increase torque application.

Summary of the invention

Main purpose of the present utility model is to provide a kind of instrument pincers that increase torque application.

To achieve these goals, the technical solution of the utility model is: a kind of instrument pincers that increase torque application, its first part is: when utilizing the pincers jaw to assembly first pair of pincers jaw, utilize first center line to link, make jaw to move between no force application location and force application location, the composition of pincers jaw comprises the rear portion that is fixed on behind first jaw and extends and be fixed on second extension, rear portion behind the jaw; Handle portion then comprises first handle part and the second handle part of utilizing handle center's line to link together, the first handle part engages with one of first center line and extension, first rear portion form with hinge, the second handle part also engages with one of second center line and extension, first rear portion form with hinge, between the center line of this handle and first center line, has the space between first center line and second center line in addition; Aforementioned first part, first center line is equal to the space length of second center line to the handle center line to the space length of handle center line; Aforementioned first center line is between extension, first rear portion; The position of aforementioned pincers jaw is formed, and its first couple is relative with second pair position; Each jaw of aforementioned second pair of pincers jaw, its extension, rear portion all engage in the mode that articulates with first pair of its extension, jaw rear portion of pincers jaw; Extension, aforementioned first rear portion engages with the connected mode and second extension that articulates, thus between formed hole, a center, the scope of handle center's line is located among this hole; Aforementioned second element includes the part that increases torque application, contains by first jaw and second the first couple that jaw is formed pincers jaw center line.When moving to the position of clamping object, first jaw is towards second jaw application of force, when being in the off-position, first jaw then can the application of force to second jaw; In addition, the center line part of aforementioned handle, the space that the first pincers jaw center line and handle center's line are set up out makes first handle part and second handle partly interlink, the part that connects the first handle part and first jaw is referred to as first center line; The part that connects the second handle part and second jaw is referred to as second center line, has living space between first center line and second center line, also has living space between the center line of first pair of pincers jaw and the handle center's line; Aforementioned second part is equal to the space length of second center line with first pair of pincers jaw to the space length of first center line by the center line of first pair of pincers jaw; Aforementioned second part between the first pair of pincers jaw part and the second pair of pincers jaw part, is the position of handle center's line; Aforementioned second part includes the 3rd jaw and the 4th jaw, is embedded in together mutually in the mode that articulates, and is in relative position with first jaw and second jaw; Again, after extension, aforesaid rear portion links together, formed a hole therein, handle center's line promptly is arranged in this hole.

Nationality is made up of two groups of pincers jaws with indivedual pivots, two groups in the opposite direction, two pincers jaws and handle are bonded together in the mode of pivot, the handle part comprises two handle portions, joins with the extension, rear portion and the handle of jaw, the middle hole that forms, pivot location for the handle joint, after two handles are bonded together, utilize the pivot and the connecting axle that separate on the handle to cause the structure that increases torsion, can when the tool using clamp is lived object, increase torsion thereon.

Description of drawings

Fig. 1 is the vertical view of the utility model embodiment, as shown is the pincers jaw that is in the position of remaining silent, and its jaw is close to all mutually.

Fig. 2 is the right-hand side view of the utility model embodiment.

Fig. 3 is similar to Fig. 1 but clamps jaw to be in aperture position.

Fig. 4 is the exploded view of the utility model embodiment.

The specific embodiment

Now cooperate graphic be illustrated as after.

As shown in Figures 1 to 4, a kind of instrument pincers that increase torque application of the utility model, wherein these instrument pincers 10 are to include two pairs of pincers jaws, first pair of pincers jaw 12 includes two jaws 14,16, second pair of pincers jaw then includes jaw 18,20, jaw 14,16 are usual alleged nipper plier for tip shape, jaw 18,20 is blunt nose, be one of pliers kind of commonly using, the hole 24 and the hole 26 on the jaw 16 that utilize pivot 22 to pass on the jaw 14 articulate jaw 14 and jaw 16, and core 28 its centers of the circular structure form of jaw 14 have the cam surface 30 of phase concentric in addition except porose 24,32, its center of circle also is the center of circle of the center line 34 that passes of pivot 22; Same situation, the center of the central circular shaped section 36 of the cam surface 38,40 of jaw 16 also has hole 26, and this cam surface 38,40 has the identical center of circle with center line 34, the radius of circle of cam surface 38,40 and cam surface 30,32 is isometric in addition.

The inside of the core 36 of jaw 16 is provided with annular groove 42, device has spring 44 in it, this spring 44 act as the strength that produces a lasting inclination and is sent to jaw 14, make jaw 14,16 can remain on aperture position as shown in Figure 3, this shows that jaw 14,16 can be clipped in object (figure do not show) position or any jaw 14,16 position that can separate as shown in Figure 1; (with reference to figure 3) for instance, if object is sandwiched between the jaw 14,16, the disconnected position of Fig. 3 is the folder object location so.

Jaw 16 is to have comprised at cam 46 that moves on the cam surface 32 and the cam 48 that moves on cam surface 30, and this jaw extends the extension, rear portion 50 of giving prominence to and having perforation 52 above it 16 other also having comprised by core 36 rearwards, same, jaw 14 has the extension, rear portion 54 that is extended back by core 28, the top of this extension, rear portion 54 also has perforation 56, this cam 48 is fastened and is leaned against cam surface 30 in addition, and cam 58 is the pith of extension, rear portion 54, and it is fastened and leans against cam surface 40.When instrument pincers 10 were mobile between the aperture position of remain silent position and Fig. 3 of Fig. 1, this cam 48 tied up on the cam surface 30 and slides, and cam 58 then slides on cam surface 40.

This shows, the first couple pincers jaw 12 that comprises jaw 14,16 can be in as shown in Figure 3 aperture position and the pivot activity between the position of remaining silent shown in Figure 1, remaining silent during the position of Fig. 1, inner plane 60 on the jaw 14 and the inner plane 62 on the jaw 16 are fastened closely connected closing.

Jaw 18 has the core 64 of similar circle, these core 64 cordings have the indispensable perforation 66 in extension, rear portion 68 that connects tool perforation 70, jaw 20 then includes the central circular shaped section 72 of a periphery tool cam surface 74,76, these core 72 central authorities are provided with perforation 78, cam surface 74,76 is the circular arc of same circle, in addition, this extension, rear portion 80 is to be bonded on core 72, and this extension, rear portion 80 has perforation 82.

Aforementioned core 64,72 is to amplexiform mutually to close and jaw 18,20 is interlinked together, when this position, the cam surface 86 that cam surface 84 on the jaw 18 is complied with on the jaw 20 slides thereon, and the cam surface 90 that the cam surface 88 on this jaw 18 is equally also complied with on the extension, jaw 20 rear portion 80 slides thereon; And the inwall that directly is close to the extension, rear portion 68 of core 64 has formed the cam surface 92 that abuts against cam surface 74, and the inboard of jaw 18 has then formed one and has been similar to the cam surface structure that cam surface 86 abuts against cam surface 76.

One coupling bar 94 has connected perforation 82 can articulate chimeric jaw 20 and jaw 16 with perforation 52, nationality can be made between jaw 20 and the jaw 16 by this connecting axle 96 can have limited pivot joint activity, same, coupling bar 98 has linked after perforation 70 and the perforation 56, also can articulate tabling between jaw 14 and the jaw 18.

Extension, rear portion 50 has an inner fovea part 100 and an outer recess 102; 54 of extensions, rear portion have an inner fovea part 104 and an outer recess 106; And extension, rear portion 68 has an inner fovea part 108 and an outer recess 110; 80 of this extensions, rear portion include an inner fovea part 112 and an outer recess 114; The function of these recesses 100,102,104,106,108,110,112,114 will describe in detail in the narration of back.

Instrument pincers 10 of the present utility model also are formed with the handle of being made up of first handle part 116 and second handle part 118.Consisting of of first handle part 116 utilizes handle pivot bolt 124 with two living handle portions 120,122 joints form, hole 126 and the hole 128 on the handle portion 122 that handle pivot bolt 124 passes on the handle portion 120 are chimeric fixing with it, and fixedly hole 130 and the hole 134 on the handle portion 136 passed on the handle portion 132 of the handle pivot bolt 124 of second handle part 118 is chimeric with it, handle portion 132,136 are assembled together becomes and is second handle part 118 after the single part, this two handle portion 132, can move as same single part after 136 combinations, and this two handle portion 132,136 is that its terminal institute of nationality has a spacer pin 138 and connects, same, this handle portion 120,122 also is that nationality is connected by the spacer pin 140 that end had.

Handle portion 120 cordings have with the chimeric little through hole 142 of coupling bar 94, and this coupling bar 94 also chimeric the little through hole 144 of handle portion 122, same, this coupling bar 98 also passes little perforation 146 on the handle portion 132 and the little perforation 148 on the handle portion 136 is carried out chimeric.

Moreover, jaw 14,16 position and jaw 18,20 is relative, without any application of force moving handle 16, under 18 the situation, spring 44 will produce the jaw 14 of the feasible pincers of inclination strength jaw 12 to pincers jaw 12,16 separate (with reference to figure 3), and jaw 18,20 also are in aperture position separately, this moment, 124 meetings of handle pivot bolt were very close by extension, rear portion 50,54,68,80 interlink seals an end of the inner cavity 150 that forms, handle pivot bolt 124 chimeric center lines 152, between center line 154 that itself and coupling bar 98 pass and the center line 96 segment distance is arranged, center line 152 to the distance of center line 96 with respect to center line 152 to about 5/8 inch of the distance of center line 154.When first handle part 116 is shifted to second handle part 118, jaw 14 and jaw 16 are adjacent to each other, jaw 18 and jaw 20 are also adjacent to each other simultaneously, if an object is placed between jaw 14 and the jaw 16, an action of clamping object will take place, though as shown in Figure 3, utilizes the jaw 18,20 may be more convenient in some cases, but jaw 18,20 residing positions are referred to as the seasoning position, promptly are obsolete positions; The position that then use for expection the position of jaw 14 and jaw 16, yet when the user wants to use jaw 18,20, only need rotate counterclockwise about 140 degree to first handle part 116, second handle part 118 is clockwise rotated about 140 degree, thus, jaw 14,16 just becomes and is positioned at the seasoning position, and jaw 18,20 then is positioned at the use location, so can use second pair of pincers jaw.

Other is the person, because this handle pivot bolt 124 and pivot 158 pass perforation 66,78 formed center lines 156 or another center line 34 is inconsistent, therefore extra leverage will produce, and because center line 152 and center line 96, have living space between 154 and also produced leverage, these space behaviors are promptly not isometric as balance pivot both sides moment, utilize same principle, the user can utilize the little application of force to move heavier object, illustrate, impose five pounds close handles part 116,118 will make jaw 14,16 or jaw 18,20 strength that obtain ten pounds (even more) are clamped object, easy speech, the utility model has the advantage that increases torsion in use.

In addition, the reason that design recess 110,104 exists is in order to provide enough gaps to give handle pivot bolt 124, and make pincers jaw 12 be movable to as shown in Figure 1 the position of remaining silent, same, when jaw 18,20 moves to the use location and jaw 14,16 produces same effect by recess 108,106 during in the seasoning position, in addition, recess 110,114,102,106 also can provide enough gap to extension, rear portion 50,54,68,80, makes it can present detent position completely as shown in Figure 1.

Again, at jaw 14,16, have the jagged surface of traditional pliers indispensability between the jaw 18,20 and/or cut face, the utility model does not have any improvement on the pincers face.

Therefore, the utility model really has the practical effect of promoting.

Claims (5)

1, a kind of instrument pincers that increase torque application is characterized in that, are to comprise:

Pincers jaw part has first pair of pincers jaw, the consisting of first jaw and have second jaw of extension, second rear portion of this pincers jaw with extension, first rear portion, and its two jaw engages with the pivot joint form, at force application location and mobile between the force application location;

Handle portion, have the first handle part and the second handle part that link together with handle pivot, first handle part and extension, first rear portion articulate with first connecting axle, second handle part and extension, second rear portion articulate with second connecting axle, all have living space between handle pivot and first pivot, first connecting axle and second connecting axle.

2, the instrument of increase torque application according to claim 1 pincers is characterized in that this handle pivot equals the distance of handle pivot to second connecting axle to the distance of first connecting axle.

3, the instrument of increase torque application according to claim 1 pincers is characterized in that this handle pivot is between extension, first rear portion.

4, the instrument pincers of increase torque application according to claim 1, it is characterized in that, this pincers jaw part also contains with the chimeric the second couple pincers jaw of second pivot pivot joint, it can be at force application location and does not move between the force application location, the position of second pair of pincers jaw is opposite with first pair of pincers jaw, and wherein the part of this second couple pincers jaw includes extension, two rear portions, one of second pair of pincers one of them extension, rear portion of jaw and first pair of pincers extension, jaw rear portion articulate, and second pair of another extension, rear portion of pincers jaw also joins with first pair of another extension, rear portion of pincers jaw.

5, the instrument of increase torque application according to claim 4 pincers is characterized in that, the hole that first extension, rear portion of this two couples pincers jaw and the confession handle pivot that a hollow is sealed out in extension, second rear portion wear.

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