CN2770879Y

CN2770879Y - Tool head structure for combination pliers

Info

Publication number: CN2770879Y
Application number: CN 200520000351
Authority: CN
Inventors: 林束隨
Original assignee: TENGDA TOOL INDUSTRIAL Co Ltd
Priority date: 2005-01-10
Filing date: 2005-01-10
Publication date: 2006-04-12
Anticipated expiration: 2015-01-10

Abstract

The utility model relates to a tool head structure for cutting plier tools. One end of the grab handle capable of swaying back and forth of a cutting pliers cutting nipper tool is pivoted with a double-headed tool head to cause the cutting plier tool to be used in rotary manner, wherein two clamping openings of an actuating block on one end of the double-headed tool head are arranged correspondingly; two clamping openings of an actuating block on the other end are arranged in staggered manner. Thus, when the grab handle presses against the two clamping openings on the pressing and clamping end and the two actuating blocks are arranged in staggered manner, the two actuating blocks can drive the two clamping openings of the working end on the other end and the two actuating blocks arranged correspondingly actuate simultaneously. A displacement margin formed by the mutually staggered laminated position compensates the actuating course of the two actuating blocks on the working end to cause the two actuating blocks on the working end to be capable of increasing inward displacement to mutually prop to be closed to positively cut off objects to achieve the practical effect of the enhancement of the using convenience of the tool head.

Description

The tool heads structure of cutting nippers instrument

Technical field

The utility model provides a kind of tool heads structure of cutting nippers instrument, a kind of staggered superimposed stroke that utilizes an end two to make motion block especially is provided, hold the two relative displacement strokes of making motion block in addition and increase, make two of working end do motion block contact driving fit mutually, cutting off object really, and promote the tool heads structure of the cutting nippers instrument of ease of use more.

Background technology

In existing technology, the tool ends end of instruments such as tool scissors or instrument pincers is to be fixedly arranged on lever, and can't the different tool ends end of conversion use, just design a kind of cutting nippers instrument of convertible tool ends end subsequently, see also Fig. 1, shown in 2, but this cutting nippers instrument is the lever 1 that is provided with two mutual pivot joints and swing, and be pivoted with the tool heads 2 of double end in an end of two levers 1, this tool heads 2 is that two lamellar bodies by the different tool ends end of two ends tool articulate and form, with form respectively in two ends two folder mouths be oppositely arranged cut motion block 21 and clamping block 22, see also shown in Figure 3, when desiring the clamping object, but the application of force is pushed two levers 1, making two of two levers, 1 screwing tool head 2 cut motion block 21 does relatively to intrinsic displacement, two to cut motion block 21 promptly be the center with the pivot for this, drive two clamping blocks 22 and make two-phase subtend intrinsic displacement synchronously, in order to the clamping object, otherwise, see also shown in Figure 4ly, when desiring cutting objects, only need with the transformation tool end with 1 backswing of two levers, make two to cut motion block 21 and be positioned at the outside, can the application of force do relatively to intrinsic displacement, make two to cut motion block 21 synchronous works relatively to intrinsic displacement, in order to cutting objects with two levers, 1 roof pressure, two clamping blocks 22; And the two folder mouths of cutting the edge of a knife of motion block 21 and two clamping blocks 22 of this tool heads 2 all are and are oppositely arranged in twos, its mutual start relation is when lever 1 roof pressure when wherein an end is pressed the mutual contact of two blocks of folder end, other holds two blocks of working end promptly can't remake relative displacement, so two cut the fit dimension of motion block 21 and two clamping blocks 22, high precision must be arranged, not only make and be difficult for, if size has error slightly, promptly can be because of pressing the folder end involutory spacing, cause the working end can't continue to be moved to mutual driving fit, especially the working end is two when cutting motion block 21 and making shear action, because of two cut modes of cutting motion block 21 must be done relative displacement and contact driving fit, can cut off object, if still have a gap between the edge of a knife, promptly cause two to cut the defective that motion block 21 can't be cut off object, if yet make two to cut motion block 21 driving fit and increase the size of the edge of a knife mutually, then when conversion with two clamping blocks 22 during as the working end, then press two of folder end to cut motion block 21 contact driving fit mutually earlier, and two grip blocks 22 that make the working end can't continue displacement and mutual defective of fitting, therefore, how to make the two ends of tool heads all can give full play to utilization benefit, be the target that the person skilled in art researches and develops.

Summary of the invention

Main purpose of the present utility model is the defective that overcomes above-mentioned prior art, a kind of tool heads structure of cutting nippers instrument is provided, this tool heads structure can make two of working end do motion block can be more to intrinsic displacement and contact driving fit mutually, to cut off object really, reach the Practical Benefit that promotes the tool heads ease of use more.

The purpose of this utility model realizes by following technical proposals, in the tool heads structure of cutting nippers instrument provided by the utility model, the lever of its cutting nippers instrument is pivoted with the tool heads of double end, wherein to make two folders of motion block mouthful be to be to be oppositely arranged to the first end of this instrument, and the end two folder mouths of making motion block then are staggered and are provided with in addition; In view of the above, when the lever roof pressure press folder end two folder mouths then be staggered be provided with two when making motion block, this two do motion block can drive hold in addition working end two folder mouthful be be oppositely arranged two do the synchronous start of motion block, and with the interlaced formed displacement nargin in superimposed cloth position, compensation work end two is made the actuating travel of motion block, make two of working end do motion block can be more to intrinsic displacement and contact driving fit mutually to cut off object really, reaches the Practical Benefit that promotes the tool heads ease of use more.

In the tool heads structure of cutting nippers instrument provided by the utility model, this tool heads is with the two staggered superimposed nargin of making motion block, compensation hold in addition two folders mouthful be be oppositely arranged make the motion block actuating travel, make making motion block and on making, needn't requiring high-precision fit dimension of two ends, thereby reach the Practical Benefit that is easy to the tools head.

For conveniently understanding content of the present utility model, and the effect that can reach, below conjunction with figs. and given embodiment technology contents of the present utility model is carried out further detailed description.

Description of drawings

Fig. 1 is the schematic diagram of habit formula hand-held tool;

Fig. 2 is the partial side view of habit formula hand-held tool;

Fig. 3 is the use schematic diagram of habit formula hand-held tool clamping object;

Fig. 4 is the use schematic diagram of habit formula hand-held tool cutting objects;

Fig. 5 is an outside drawing of the present utility model;

Fig. 6 is a partial elevation view of the present utility model;

Fig. 7 is the folder of the present utility model use schematic diagram of pulling;

Fig. 8 is the schematic diagram of the utility model transformation tool end;

Fig. 9 is that one of schematic diagram figure is used in shearing of the present utility model;

Figure 10 is two figure that schematic diagram is used in shearing of the present utility model.

Piece number index among the figure:

Habit formula technology

Lever 1; Tool heads 2; Cut motion block 21; Clamping block 22.

The utility model

Lever 3; Ejector pin 31; Tool heads 4; Make motion block 41; Make motion block 42.

The specific embodiment

See also Fig. 5 and shown in Figure 6, but shown cutting nippers instrument is the lever 3 that is provided with two mutual pivot joints and swing, and be provided with ejector pin 31 in two levers 3, and be provided with a double head tool head 4 with different tool ends end at two levers, 3 pivot ends, this tool heads 4 is mutually stacked and articulate and formed by the lamellar body of one by two, the two ends of each lamellar body have different instrument effectiveness, and make an end two folder mouths of the identical effectiveness of two lamellar body tools be staggered setting, make motion block 41 (as clamping block) with what but the end in tool heads 4 formed one group of opening and closing, the a two lamellar bodies in addition end two folder mouths of the identical effectiveness of tool then are and are oppositely arranged, but make motion block 42 (as cutting motion block) with what the end in tool heads 4 formed another group opening and closing.

See also shown in Figure 7, when using this cutting nippers instrument folder to pull use (as divesting the outer field insulated hull of electric wire), two folder mouths then can be the motion block 42 of doing that is oppositely arranged and press from both sides end as pressing, and two folder mouths be staggered be provided with make motion block 41 as the working end, the application of force is pushed two levers 3 and is inwardly swung, make two levers 3 press two of folder end to make motion block 42 to intrinsic displacement with ejector pin 31 screwing tool heads 4, two to make motion block 42 promptly be pivot with the pivot for this, driving holds two of working end to make motion block 41 synchronously to intrinsic displacement in addition, because two to make motion block 41 be to be staggered to be provided with, when two levers, 3 roof pressures press two of folder end do motion block 42 to mutual contact to fashionable, it is staggered superimposed to make two of working end make motion block 41, because it mainly is the staggered use of pulling of pressing from both sides that motion block 41 is made in two of this working end, even if therefore press two of folder end do motion block 42 involutory mutually replace spacing, the folder of the working end degree of pulling promptly is enough to provide user demand, and reaches the benefit of use.

See also shown in Figure 8ly, when using this cutting nippers instrument to shear to use (as cutting off iron wire), two levers 3 outwards can swings, with the tool ends end of transformation tool 4, make two to make motion block 42 and be positioned at outsidely as the working end, and two make motion block 41 and be positioned at inner as pressing folder to hold; See also shown in Figure 9, pushing two levers 3 when the application of force inwardly swings, make two levers 3 press two of folder end to make motion block 41 to intrinsic displacement with ejector pin 31 screwing tool heads 4, two to make motion block 41 also be pivot with the pivot for this, hold two of working end to make motion block 42 synchronously to intrinsic displacement in addition and drive, when pressing folder end two to make motion block 41 tentatively to be in contact with one another, the mutual as yet driving fit of motion block 42 is cut in two of working end, and have a little gap, will cut off object this moment; See also shown in Figure 10, because pressing the folder end two folder mouths of making motion block 41 to be staggered is provided with, therefore lever 3 can continue to press two of folder end to make motion block 41 to intrinsic displacement with ejector pin 31 screwing tool heads 4, and make two to make motion block 41 and be staggered superimposed, its overlapping position promptly forms a displacement nargin, utilize this displacement nargin can compensate the gap of holding working end two to cut motion block 42 in addition, promptly increase working end two and cut the displacement stroke of motion block 42, make working end two cut motion block 42 can be again to intrinsic displacement and contact driving fit mutually reaches the utilization benefit of cutting off object really.

In sum, the utility model is being broken through under the previous technical pattern, has reached the effect that institute's desire is promoted really, and have in the technical field under also non-know usually the knowledgeable institute easily full of beard and; Moreover the utility model also has progressive and practicality.And the above only is a preferable possible embodiments of the present utility model, non-so limit claim of the present utility model, so equivalent structure that this novel specification of all utilizations and accompanying drawing content have been done, directly or indirectly apply to other correlative technology field, all in like manner all ought to be contained in the spiritual category scope of the present utility model.

Claims

1, a kind of tool heads structure of cutting nippers instrument, this cutting nippers instrument is the tool heads that is pivoted with double end at the pivot end of two levers, makes this cutting nippers instrument can do conversion and uses; It is characterized in that: the two folder mouths that the first end of this double head tool is made motion block are to be to be oppositely arranged, and hold the two folder mouths of making motion block then to be to interlock in addition and are provided with.

2, the tool heads structure of cutting nippers instrument according to claim 1 is characterized in that this two lever is provided with ejector pin, makes motion block with two of screwing tool head.

3, the tool heads structure of cutting nippers instrument according to claim 1 is characterized in that it is to press folder end, the other end to make motion block then to be the working end that the first end of this double head tool is made motion block.