CN2638369Y - Clamping tool - Google Patents

Abstract

The utility model relates to a connection tool, comprising a tool shank which is composed of an upper cover and a lower cover, a hook plate and a poke plate which are arranged at the two sides of the back of the tool shank, and a tool bit component which is arranged on the front part of the tool shank and can be moved relatively to the tool shank. The tool bit component consists of a moving blade, a ledger plate and a guide chase strip which are all fixed to a blade fixation frame. A positive stop axis and a guiding axle control the shearing and locking functions of the tool bit component. Wherein, the connection tool is provided with a sliding structure which can make the hook plate on the back part of the tool bit push or retract freely. The hook plate and the poke plate of the utility model are not easily loosened in the frequent operation.

Description

A kind of clamping tool

Technical field

The utility model relates to the main frame technology, refers to a kind of clamping tool especially.

Background technology

Main frame product clamping tool, its operation principle is that the insulated metal lead is pressed in the narrow slit of metal card connecting terminal, narrow slit is removed the insulating barrier on the lead, the elastic stress of material clamps plain conductor and forms being electrically connected of air-tight section, this instrument generally also has hook line sheet and thread-setting piece to be used for taking out stitches, because telecommunication bureau's this clamping number of times in project installation and daily operation is very frequent, so whether the clamping tool structure is reliable, whether long-time operation causes operating personnel's fatigue, and whether facility is very important in the clamping tool operation.

At present, common on the market a kind of main frame product clamping tool, its handle of a knife cross section is a rectangle or square; Its hook line sheet that is arranged at afterbody is connected by securing member with thread-setting piece, and the similar operational motion of opening knife during use is routed up hook line sheet and thread-setting piece in the handle of a knife groove; Cutter head assembly by cutting blade, ledger-plate, cutter head support and prerotation vane by a rotating shaft be connected in turn the institute constitute, this cutter head bracket component housing relatively is flexible, the crisscross motion of the edge of a knife by cutting blade and ledger-plate just can be carried out trimming work easily repeatedly.When not needing cutting blade to continue to shear, the flat recess by screwdriver adjustment rotating shaft top makes cutter head assembly just can not reach the purpose of locked scissors function with respect to handle motion.But because its architectural feature, this clamping tool has the following disadvantages:

1. because the handle of a knife cross section is square, therefore, long-time gripping makes operating personnel's hand fatigue easily.

2. because of hook line sheet and thread-setting piece are to rout up in the handle of a knife groove as knife, so get loose easily during frequent operation.

3. in addition, the screw of the locked scissors function of cutter head part needs to regulate with screwdriver, very inconvenience.

Deficiency at aforementioned clamping tool, occurred another kind of through improved clamping tool, its handle of a knife is just round, and its hook line sheet and thread-setting piece all are provided with the lug that stretches out handle of a knife and make things convenient for hand to pinch, and the locked scissors function of cutter head part presses stopping projection to regulate with iron.This clamping tool can reduce hand fatigue by its circular handle of a knife, grip hook line sheet and thread-setting piece and also made things convenient for a lot, but this clamping tool occurs its negative deficiency again when solving foregoing problems:

1. because of routing is directive, handle of a knife can not rotate during work, and therefore, this just round handle of a knife can not guarantee the directivity of routing, and is not ideal enough.

2. the lug that stretches out of hook line sheet and thread-setting piece stretches out outside handle, and the level of comfort of handle of a knife is held in influence.

3. the function of the locked scissors of cutter head part presses stopping projection to regulate with iron, its complex structure, and the life-span is low, and cost is also high.

Summary of the invention

The utility model provides a kind of clamping tool, and it can solve hook line sheet and thread-setting piece easily produces the problem that gets loose owing to frequent operation.

The technical solution of the utility model is as follows:

A kind of clamping tool, include the handle of a knife of forming by upper and lower cover, hook line sheet and the thread-setting piece that is arranged at both sides, handle of a knife rear portion, and be arranged at the anterior and cutter head assembly of its motion relatively of handle of a knife, this cutter head assembly is made up of the cutting blade, ledger-plate and the prerotation vane that are fixed on the blade holder, and control its shearing and locking function by a limit shaft and an axis of guide, wherein, described clamping tool is provided with a slide construction, and this slide construction can make the hook line sheet at handle of a knife rear portion and thread-setting piece freely release or regain.

Described slide construction is made up of the sliding button of being located at hook line sheet and thread-setting piece inner end respectively, the guide groove that matches with sliding button of being located at loam cake and/or lower cover both sides.

Described hook line sheet and thread-setting piece are that clamping is connected with sliding button, and inner end one side of hook line sheet and thread-setting piece is provided with recess, and sliding button is the H shape with groove, and hook line sheet and thread-setting piece are fastened in side groove central authorities of sliding button with its recess.

The rear end, inside of described handle of a knife is provided with an elastic card, and the both sides of this elastic card are provided with and the two slip ammonium button medial surfaces keyed end of buckle mutually.

The protruding handle both sides that are exposed to of the lateral surface of described each sliding button.

The main frame product clamping tool that the utility model provides, its limit shaft are provided with the pin of dialling of its rotation of control.

The main frame product clamping tool that the utility model provides, the handle of a knife cross section that its loam cake and lower cover are formed is streamlined.

The cross section approximate ellipsoidal of described handle of a knife.

According to the said structure feature, the utlity model has following beneficial effect:

One, because of adopting the mode that can release or regain, hook line sheet of the present utility model and thread-setting piece be provided with slidably, therefore, even frequent operation also is difficult for producing getting loose.

Two,, therefore, when locked shearing function, need just can not realize adjusting and only need to stir pin, so regulate very convenient with the screwdriver adjustment with hand because of limit shaft of the present utility model is provided with a pin of dialling that can drive its rotation.

Three, handle of a knife of the present utility model cross section is streamlined, and for example approximate ovalize both can make long-time gripping handle of a knife and indefatigability, and the streamlined handle of a knife of this ovalize has the directivity of routing.

Four, make because of limit shaft of the present utility model can adopt plastic material, commonly use structure and adopt metal rotating shaft effectively to reduce cost, and because of only stirring dialling pin with hand, it is little to wear and tear, the life-span height.

Description of drawings

Fig. 1 is a schematic appearance of the present utility model.

Fig. 2 is a three-dimensional exploded view of the present utility model.

Fig. 3 is in the partial sectional perspective view of handle of a knife inside for the utility model hook line sheet and thread-setting piece.

Fig. 4 is pushed out the partial sectional perspective view of handle of a knife outside for the utility model hook line sheet and thread-setting piece.

Fig. 5 is that the utility model cutter head assembly is just at the schematic diagram of shearing condition.

Fig. 6 shears function by locked schematic diagram for the utility model cutter head assembly.

Fig. 7 is the rear side schematic perspective view of the utility model handle of a knife.

Embodiment

Referring to Fig. 1,2,6, clamping tool of the present utility model, include by loam cake 6, the handle of a knife 46 that lower cover 4 is formed, in bolt 3 and end cap 7 lockings, lower cover 6,4, both sides, handle of a knife 46 rear portion are provided with hook line sheet 2 and thread-setting piece 1, handle of a knife 46 front portions are provided with also the cutter head assembly 150 of its motion relatively, this cutter head assembly 150 is by cutting blade 15, ledger-plate 16 and prerotation vane 17 are fixed on the blade holder 9 by bolt 14 to be formed, and to be fixed in shearing and the locking function that the limit shaft 12 on the handle of a knife 46 and the axis of guide 18 are controlled cutter head assembly 150, on the limit shaft 12 that passes loam cake 6, also be buckled with a circlip 13, deviate to prevent this limit shaft 12; Described clamping tool is provided with a slide construction, and this slide construction can make the hook line sheet 2 and the thread-setting piece 1 at handle of a knife 46 rear portions freely release or regain with sliding type.Because of having adopted the set-up mode that slides, thus frequently release or during recovery operation, difficult generation gets loose, and that the handle of a knife profile keeps always is streamlined.

Referring to Fig. 1,3,4, the inner end of hook line sheet 2 of the present utility model and thread-setting piece 1 is connected with a sliding button 10 respectively and forms the push-and-pull assembly, and this hook line sheet 2 and thread-setting piece 1 can be fixedly connected with being connected of sliding button 10 or removably connect.In this embodiment, type of attachment adopts the clamping in removably connecting to connect, particularly, inner end one side of hook line sheet 2 and thread-setting piece 1 is provided with recess 21,11, sliding button 10 is the H shape with groove 101, and hook line sheet 2 and thread-setting piece 1 are fastened in groove 101 central authorities of the upside of sliding button 10 with its recess 21,11, and certainly, hook line sheet 2 and thread-setting piece 1 also can be fastened in groove 101 central authorities of sliding button 10 downsides.And loam cake 6, lower cover 4 both sides are provided with the guide groove 41,61 that matches with sliding button 10 accordingly, guide groove 41,61 constitutes the groove shape by two protruding walls, each sliding button 10 can drive hook line sheet 2 or the central part of thread-setting piece 1 in guide groove 41,61 slides, and forms slide construction by sliding button 10 and guide groove 41,61.

In the present embodiment, the type of attachment of hook line sheet 2 and thread-setting piece 1 and sliding button 10 can adopt the various ways in fixedly connected or the flexible connection, as long as can adopt by the type of attachment that sliding button 10 drive hook line sheets 2 and thread-setting piece 1 slidably reciprocate.For example, in the fixedly connected form, hook line sheet 2 and thread-setting piece 1 can be one-body molded with sliding button 10, or welding; And being spirally connected in the flexible connection form, socket, grafting etc. can adopt, and at this, enumerates no longer in detail.And slide construction of the present utility model also is not limited to the aforementioned structure of mentioning, other slide construction in the middle of the prior art also can adopt, and no longer exemplifies.And for the position that is provided with of guide groove 41,61, also be not limited to all being provided with of above stated specification in loam cake 6 and lower cover 4, and form complete guide groove 41,61 by upper and lower cover two parts, also can only be provided with at loam cake 6, or only be provided with at lower cover 4, as long as the slip that sliding button 10 is matched with guide groove 41,61 is provided with the position without limits to guide groove 41,61 in upper and lower cover 41,61.

Be provided with an elastic card 5 in the rear end, inside of handle of a knife 46, this elastic card 5 is ㄩ shape, and its both sides are provided with and the medial surface 102 of two slip ammonium buttons 10 keyed end 51 of buckle mutually.This keyed end 51 is provided with and the medial surface 102 of each sliding button 10 recess 511 of buckle mutually, when the medial surface 102 of sliding button 10 is snapped in this recess 511 places, with regard to lockable sliding button 10, and this keyed end 51 has elasticity, press down sliding button 10 and can throw off the buckle of elastic card 5, can push back and reset.

In addition, protruding handle 46 both sides that are exposed to of the lateral surface of described each sliding button 10, and can be provided with the friction raised line that increases frictional force in the lateral surface of sliding button 10 protruding dew.

Referring to Fig. 3, when not working, hook line sheet 2 and thread-setting piece 1 are recessed in the handle of a knife 46; Referring to Fig. 4, during work, promote sliding button 10, it is slided in the guide groove 41,61 of loam cake 6, lower cover 4, drive hook line sheet 2 and thread-setting piece 1 and skid off handle of a knife, elastic card 5 is used for locking sliding button 10, at this moment, promptly can be used to choose the line of misplaying and dial the end of a thread, after finishing using, after pressing down sliding button 10 disengagement elastic cards 5 snappings, push back and to reset.

As further improvement of the utility model, referring to Fig. 2,5,6, the utility model is used for controlling limit shaft 12 its upper surfaces of shearing locking function and is provided with one and dials pin or plectrum 121 with its all-in-one-piece, therefore, when the shearing feature operation of locked cutter head assembly 150, only need the operator with hand break off with the fingers and thumb dial pin or plectrum 121 just passable once, adjust very convenient.Certainly, this limit shaft 12 can be made with plastics or elastomeric material, can effectively reduce cost.

Referring to Fig. 5, during routing, at first the groove 171 of the fixed blade 16 of cutter head assembly 150 and prerotation vane 17 blocks lead, by the convex tendon orientation on the prerotation vane 17, push in the clamping sheet metal narrow slit, because the thin shaft section restriction of the not limited axle 12 of the chute 91 of blade holder 9, behind the cutter head assembly 150 slow astern segment distances, skewed slot 151 on the cutting blade 15 is directed to axle 18 guiding and makes cutting blade 15 and fixed blade 16 carry out the relative shear campaign, just can cut off lead.In the middle of the utility model, blade holder 9 afterbodys also are provided with Slip Hook 92, and it can cooperate when cutting blade 15 is cut off lead with the projection 42 on the lower cover 4 sounds, and remind routing to finish, after routing finishes, promote blade holder 9 drive cutter head assemblies 150 by spring 8 and reset.Certainly, this projection 42 can be located on the loam cake 6 equally, changes but need Slip Hook 92 to make corresponding symmetry.

And referring to Fig. 6, when not needing to cut off lead and only pushing lead, rotary spacing axle 12 dial the moving forward and backward of chute 91 that pin or plectrum 121 make its thick shaft section restriction blade holder 9, cutting blade 15 and locating shaft 18 unmatched back relative motions be not so just there is the shearing function yet.

At last, see also Fig. 7, as the utility model further improvement again of each technical scheme as previously mentioned, handle of a knife 46 cross sections that described loam cake 6 and lower cover 4 are formed are streamlined, are good with approximate ellipsoidal wherein, make hand grip handle of a knife for a long time and indefatigability.Certainly, other NM directivity that can guarantee also makes the tireless streamlined cross-section of gripping also can adopt.Hook line sheet 2 of the present utility model and thread-setting piece 1 and sliding button 10 are formed the push-and-pull assembly, and by sliding in handle of a knife and by elastic card 5 self-lockings, neither destroying the fairing of handle of a knife, have finished function again.

Claims (9)

1. clamping tool, be used for distributing frame, it comprises: the handle of a knife of being made up of upper and lower cover, hook line sheet and the thread-setting piece that is arranged at both sides, handle of a knife rear portion, and be arranged at the anterior and cutter head assembly of its motion relatively of handle of a knife, this cutter head assembly is made up of the cutting blade, ledger-plate and the prerotation vane that are fixed on the blade holder, and control its shearing and locking function by a limit shaft and an axis of guide, it is characterized in that, described clamping tool is provided with a slide construction, and this slide construction can make the hook line sheet at handle of a knife rear portion and thread-setting piece freely release or regain.

2. a kind of clamping tool as claimed in claim 1 is characterized in that, described slide construction is made up of the sliding button of being located at hook line sheet and thread-setting piece inner end respectively, the guide groove that matches with sliding button of being located at loam cake and/or lower cover both sides.

3. a kind of clamping tool as claimed in claim 2, it is characterized in that, described hook line sheet and thread-setting piece are that clamping is connected with sliding button, inner end one side of hook line sheet and thread-setting piece is provided with recess, sliding button is the H shape with groove, and hook line sheet and thread-setting piece are fastened in sliding button one side groove central authorities with its recess.

4. as any one described a kind of clamping tool among the claim 1-3, it is characterized in that the rear end, inside of described handle of a knife is provided with an elastic card, the both sides of this elastic card are provided with and the two slip ammonium button medial surfaces keyed end of buckle mutually.

5. a kind of clamping tool as claimed in claim 4 is characterized in that, this keyed end is provided with and each sliding button medial surface recess of locking of buckle and realizing mutually.

6. a kind of clamping tool as claimed in claim 4 is characterized in that, the protruding handle both sides that are exposed to of the lateral surface of described each sliding button.

7. as any one described a kind of clamping tool among the claim 1-3, it is characterized in that described limit shaft is provided with the pin of dialling of its rotation of control.

8. as any one described a kind of clamping tool among the claim 1-3, it is characterized in that the handle of a knife cross section that described loam cake and lower cover are formed is streamlined.

9. a kind of clamping tool as claimed in claim 8 is characterized in that, the cross section approximate ellipsoidal of described handle of a knife.

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