CN207548811U - Cutting implement safety labor-saving mechanism - Google Patents

Abstract

The utility model is a kind of cutting implement safety labor-saving mechanism, and it includes a shearing ontologies, and a blade is configured with including one first lever and one second lever second lever；One anvil block is configured in first lever, and opposite with the anvil block；One angle drawing piece, both ends are utilized respectively one first lock and set element sets element lock tug in the first lever with one second lock, and the same outer rim of the angle drawing piece has continuous series ratchet clamping part and a recessed sky of angle clip；One positioning key can be installed on to elastics wing first lever, the corresponding clip ratchet clamping part of selectivity and the recessed sky of angle clip；One release plectrum, is configured on the surface of the angle drawing piece, and one end of the release plectrum is hubbed on first lock and sets element, and the other end is formed with a switching slot, which has an operating position and a releasing position.In use, the levers that two pivot joints combine can arrange in pairs or groups gradually positioning of the positioning key to the ratchet clamping part, and then reach safety and labour-saving operating effect.

Description

Cutting implement safety labor-saving mechanism

Technical field

The utility model is related to a kind of technical field of cutting implement, particularly relate to a kind of shearing cutting for board-like material Cutting tool safety labor-saving mechanism.

Background technology

The general board-like materials such as carpenter or melamine board can often be sheared using specific cutting implement, so make plate material The appearance of material has required angle.Traditional cutting implement is arranged in pairs or groups by hand shears main body, angle jaw and angle positioning pedestal Several riveted elements and latch members are placed and are formed.Such as the revealed scissors improvement knot of No. 595534 patent of TaiWan, China Structure.

TaiWan, China M241201 patents disclose a kind of structure-improved of special shearing again, by upper lever, under hold It handle, blade, anvil block and is formed to firmware.The upper and lower lever system of the patent case is made with centring point work folder stopper and matches unification The pin-joint mechanism of activity, so in use, anvil block have the efficiency that can generate displacement with blade, and then promote shearing decorations The laborsaving smooth sense of item.

Although the above-mentioned revealed cutting implement of each patent case can carry out effective shear action to board-like material, It is when thicker board-like material is sheared, hand can generate feeling of fatigue due to the change of lasting pressure and the arm of force, therefore it is pushed Action is not one-time-reach-place.In other words, operator necessarily gradually press the cutting implement, and then could cause board-like material Gradual shearing separates.It is that the operator needs to rest to eliminate or reduce the feeling of fatigue of hand with operating process.It is however traditional Cutting implement two levers between there is no detent mechanism, so cutting implement can not be stayed in temporarily on workpiece, operator When re-operating shear action, need the first fore edge being aligned on board-like material and blade is pressed into notch again, so grasp Being shown on work has the shortcomings that laborious and inconvenient, will also result in the inaesthetic problem of shear surface.

Secondly, i.e., the frictional force between board-like material and blade can be utilized, cutting implement is allow temporarily to stay in plate On shape material, but cutting implement is easily given a shock and comes off, in addition not having detent mechanism between two levers, so the shearing The blade of tool easily exposes blade, and then has the misgivings for the worker for injuring operator or periphery.

In view of this, the utility model people is the safety that faces for existing cutting implement and is deeply visited the problems such as laborious It begs for, and adheres to the exploitation of correlative technology field for many years and make experience, improvement is studied for the missing of existing cutting implement, Through constantly studying for a long time, successfully develop a kind of cutting implement safety labor-saving mechanism finally, to can overcome it is existing can not one Inconvenience and puzzlement caused by secondary property shearing.

Utility model content

Therefore, the main purpose of the utility model, which ties up to, provides a kind of effortless cutting implement safety labor-saving mechanism, It with cutting implement can be made in use, can gradually position, allowing in operating process can rest to eliminate or reduce The feeling of fatigue of hand so reaches labour-saving operating effect for operator.

Secondly, another main purpose of the utility model, which ties up to, provides a kind of cutting implement safety labor-saving mechanism, can mistake It is positioned in shear history or when folding, cutting edge is avoided arbitrarily to open exposing, and the safety used can be promoted.

Also, another main purpose of the utility model, which ties up to, provides a kind of cutting implement safety labor-saving mechanism, with energy It is enough to utilize in a manner of pulling, it can need directly to discharge the closed orientation of cutting implement, significantly improve the convenience of operation.

In order to achieve the above object with effect, the utility model provides a kind of cutting implement safety labor-saving mechanism, it is characterized in that Comprising：

One shearing ontology, including staggeredly pivot joint one first lever of combination side and one second lever, holds the first lever, second Handle type is configured with correspondence the first lever clamp segments into opposite holding section and clamp segments, the clamp segments of wherein second lever Blade；

The clamp segments in first lever are configured, and the anvil block is relative to the blade in one anvil block；

One angle drawing piece is configured on the surface of the shearing ontology, and the both ends of the angle drawing piece are utilized respectively one first Lock sets element and one second lock sets element lock tug in the clamp segments and holding section of the first lever, the same outer rim of the angle drawing piece With continuous serial ratchet clamping part and a recessed sky of angle clip；

One positioning key, can be installed on to elastics wing first lever, the positioning key be located at a release plectrum of overlapping with The side of the angle drawing piece, and the corresponding clip ratchet clamping part of selectivity and the recessed sky of angle clip；

The release plectrum is configured on the surface of the angle drawing piece, and one end of the release plectrum is hubbed on first lock and sets Element, the other end are formed with a switching slot and pass through so that the second lock sets element, which has one positioning key is made not take off Operating position and one from the ratchet clamping part and the recessed sky of the angle clip make positioning key be detached from the ratchet clamping part and the recessed sky of angle clip Releasing position.

The cutting implement safety labor-saving mechanism, wherein：The outer rim of the release plectrum has a positioning recessed sky of clip, adjusts The whole release plectrum makes the recessed empty bare weight conjunction recessed with the angle clip of the positioning clip, enables the positioning key clip in coincidence The recessed empty and recessed sky of angle clip of the positioning clip.

The cutting implement safety labor-saving mechanism, wherein：Between the apparent surface of the angle drawing piece and the shearing ontology An accommodating space is formed with, and the release plectrum is installed in the accommodating space.

The cutting implement safety labor-saving mechanism, wherein：The release plectrum has in one end outer rim in contrast to pivot joint Piece is pulled in one bending.

The cutting implement safety labor-saving mechanism, wherein：The switching slot of the release plectrum is in releasing position side shape Cheng Youyi elasticity stoppers can be positioned on releasing position for release plectrum.

The cutting implement safety labor-saving mechanism, wherein：The release plectrum has one can be positioned at when not exerting a force The elastic pulling part of operating position.

In this way, by the specific implementation of above-mentioned technological means, the cutting implement of the utility model is allowed in labor-saving effect, safety Property and easy to operation etc. have more effect compared with those existing and promote.

Below i.e. according to the purpose of this utility model and effect, enumerate preferred embodiment and schema is coordinated to further illustrate this reality With novel structural configuration.

Description of the drawings

Fig. 1 is the utility model outside drawing.

Fig. 2 is the utility model appearance plan view.

Fig. 3 is the utility model exploded view.

Fig. 4 is the utility model usage state diagram one.

Fig. 5 is the utility model usage state diagram two.

Fig. 6 is the utility model usage state diagram three.

Reference sign：10 shearing ontologies；12 first levers；121 holding sections；122 clamp segments；14 second levers；141 Holding section；142 clamp segments；16 blades；20 anvil blocks；30 release plectrums；32 switching slots；321 operating positions；322 releasing positions； 323 stopper sections；33 pull piece；The 34 positioning recessed skies of clip；36 elastic pulling parts；40 angle drawing pieces；42 ratchet clamping parts；44 angle clips are recessed It is empty；50 first locks set element；52 second locks set element；54 positioning keys.

Specific embodiment

It please refers to Fig.1, Fig. 2, the combination that a cutting implement includes shearing 10 and one anvil block 20 of ontology is disclosed in figure.Wherein The shearing ontology 10 is that one first lever 12 is staggeredly pivotally connected with reference to one second lever 14, makes the first lever, 12,14 points of the second lever Not Ju You holding section 121,141 and clamp segments 122,142, and second lever 14 is in contrast to the clamp segments 142 of holding section 141 It is configured with a blade 16.And the anvil block 20 is then configured clamp segments 122 in first lever 12 and relative to the blade 16.Again Between first lever, the second lever 12,14 further can be equipped with elastic component (not shown), make the first lever, the second lever 12, 14 holding section 121,141 can be open-shaped under non-force state, and synchronous drive blade 16 with anvil block 20 in preparation shearing Shape, basic composition and operating principle of the above for cutting implement are opened, and where the feature of non-the utility model, is held no longer It repeats；

Fig. 2, Fig. 3 are please referred to, the cutting implement is also comprising a release plectrum 30, an angle drawing piece 40 and a positioning key 54.Wherein 40 system of angle drawing piece with can fixed form configuration on the surface of the shearing ontology 10.Further, the angle card The both ends of tug piece 40, which are utilized respectively one first lock and set the lock of element 50 and 1 second and set element 52, is installed in corresponding first lever 12 Clamp segments 122 and holding section 121 surface, and 40 and first lever 12 of angle drawing piece is both after lock is pulled between apparent surface An accommodating space is formed with, and the side outer rim of the angle drawing piece 40 has one section of serial ratchet clamping part 42, for positioning key 54 Unidirectional clip, outer last 42 rear of ratchet clamping part because of serial card teeth portion 42 of next angle drawing piece 40 are formed with a card The larger angle clip recessed empty 44 of tug area.

And the positioning key 54 can be installed on to elastics wing 10 surface of shearing ontology and selectivity sticks to angle drawing piece The outer rim of 40 tool ratchet clamping parts 42.Further, wherein one end system of the positioning key 54 is hubbed on the second lever 14, and is positioned The free end of key 54 can be overlapped the side of recline the angle drawing piece 40 and the release plectrum 30, and the positioning key 54 is selecting in addition Selecting property corresponds to any ratchet clamping part 42 or recessed empty 44 (such as Fig. 4, the Fig. 5) of the angle clip of the clip angle drawing piece 40.

30 system of release plectrum is movably configured on the surface of the shearing ontology 10, and 30 system of release plectrum again It is hubbed in the accommodating space being formed between the first lever 12 and angle drawing piece 40.Further, the one of the release plectrum 30 The first lock that end system is hubbed on the angle drawing piece 40 is set on element 50, and the release plectrum 30 is in contrast to the other end of pivot end With one switching slot 32, the switching slot 32 for angle drawing piece 40 second lock set element 52 by and relatively move, Have in the switching slot 32 again and set an operating position 321 and the releasing position 322 that element 52 reclines for the second lock, another this is cut It changes slot 32 and an elastic stopper 323 is formed at neighbouring releasing position 322, secondly one pull piece 33 and be bent to form in release plectrum 30 free ora terminalis, furthermore positioning recessed empty 34 (such as Fig. 3) of clip are formed in 40 jiaos of the 30 corresponding angle drawing piece of release plectrum Recessed empty 44 root edge of clip is spent, and an elastic pulling part 36 is equipped between the first lever 12 and release plectrum 30, enables release plectrum 30 The lock of angle drawing piece 40 second is sticked in the operating position 321 for the season switching slot 32 that do not exert a force and sets element 52, enables release plectrum 30 positioning clips recessed empty 34 are overlapped with 40 angle clip of angle drawing piece recessed empty 44 and release 30 root edge of plectrum is without departing from angle card Tug 40 ratchet clamping part 42 of piece enables any ratchet clamping part 42 of the selective clip angle drawing piece 40 of positioning key 54 or the release of overlapping Plectrum 30 positions clip recessed empty 34 and recessed empty 44 (such as Fig. 4, Fig. 5) of 40 angle clip of angle drawing piece.Conversely, operable release is dialled Piece 30 makes the releasing position 322 of switching slot 32 stick to the lock of angle drawing piece 40 second to set element 52, enable release 30 root edge of plectrum Beyond the ratchet clamping part 42 of angle drawing piece 40 and angle clip recessed empty 44, make 30 root edge of release plectrum that positioning key 54 can be pushed to be detached from Recessed empty 44 (such as Fig. 6) of ratchet clamping part 42 or angle clip of clip angle drawing piece 40, and enable the first lever of shearing ontology 10, the Two levers 12,14, which obtain release, opposite to be flared to prepared clipped position, and make the first ratchet clamping part 42 of angle drawing piece 40 right Answer positioning key 54 (such as Fig. 4).

Referring to Fig. 4, before use, operator can pull piece 33 by pressing release plectrum 30, have a release plectrum 30 32 one end of switching slot is mobile and releasing position 322 locks close to second and sets element 52, and the first lever of order shearing ontology 10, Second lever 12,14 is flared to prepared clipped position, and the blade 16 can form a difference in height (spacing) relative to the anvil block 20, Such workpiece (not shown) is placed between the blade 16 and the anvil block 20, and is exerted a force and pressed first lever 12 and second lever 14, which can be close to the anvil block 20 to be sheared to workpiece.

Referring to Fig. 5, with the action for pressing first lever 12 and second lever 14, which is gradually close to this Anvil block 20 and the positioning key 54 can form the series ratchet clamping part 42 relative displacement gradually.When operator's hand release action In the active force of first lever 12 and second lever 14, one end of the positioning key 54 can with clip in the ratchet clamping part 42, So that first lever 12 forms positioning shape relative to second lever 14, operator's hand is allowed to be rested, and reached Labour-saving purpose.

First lever 12 of such cutting implement is engaged the workpiece (not shown) with second lever 14, even if operator Hand leave first lever 12 and second lever 14, which will not generate the situation for being detached from workpiece.In other words, Operator, which can so obtain rest and cutting implement, will not accidentally injure operator when being detached from workpiece, thus the utility model have it is good Good safety.Furthermore when operator reuses cutting implement, shearing can be proceeded by directly from previously parked position, Therefore it can exempt and realign inconvenience mobile inside first fore edge and first fore edge, and labour-saving effect can be obtained accordingly Fruit.

Referring again to Fig. 2, operator, which adjusts the release plectrum 30, can make the positioning clip recessed empty 34 recessed with the angle clip Sky 44 overlaps, and the positioning key 54 can clip in the positioning clip recessed empty 34 and the angle clip recessed empty 44 of coincidence, and then make First lever 12 and second lever 14 formation close state.

The second lock of 32 releasing position 322 of switching slot correspondence is set referring to Fig. 6, operator adjusts the release plectrum 30 Element 52 can allow the positioning key 54 to be detached from the ratchet clamping part 42 of angle drawing piece 40 and positioning clip recessed empty 34 of coincidence and the angle Clip recessed empty 44 is spent, and then first lever 12 and second lever 14 is made to form open configuration.Operator with hand without being stirred Small and short arm of force positioning key 54 so also has labour-saving effect, and easy to operation, can more avoid finger by positioning key 54 crush with angle drawing piece 40, promote its safety.Further, it can adjust the switching slot 32 of the release plectrum 30 Elastic stopper 323 correspondence resist this second lock set element 52, release plectrum 30 is made to be fixed on release conditions, can so be avoided First lever 12 and second lever 14 are constantly positioned, are closed in operation, available for shear compared with light sheet when, side Just continuous circulation shear action.

It is described above to be merely exemplary for the utility model, and not restrictive, those of ordinary skill in the art Understand, in the case where not departing from the spirit and scope that claim is limited, can many modifications may be made, variation or it is equivalent, but It falls within the scope of protection of the utility model.

Claims (6)

1. a kind of cutting implement safety labor-saving mechanism, it is characterized in that comprising：

One shearing ontology, including staggeredly pivot joint one first lever of combination side and one second lever, makes the first lever, the second lever shape Into opposite holding section and clamp segments, the clamp segments of wherein second lever are configured with the knife of correspondence the first lever clamp segments Piece；

The clamp segments in first lever are configured, and the anvil block is relative to the blade in one anvil block；

One angle drawing piece is configured on the surface of the shearing ontology, and the both ends of the angle drawing piece are utilized respectively one first lock and set Element and one second lock set element lock tug in the clamp segments and holding section of the first lever, and the same outer rim of the angle drawing piece has Continuous series ratchet clamping part and a recessed sky of angle clip；

One positioning key, can be installed on to elastics wing first lever, which is located at a release plectrum and angle of overlapping Spend the side of drawing piece, and the corresponding clip ratchet clamping part of selectivity and the recessed sky of angle clip；

The release plectrum is configured on the surface of the angle drawing piece, and one end of the release plectrum is hubbed on first lock and sets element, The other end is formed with a switching slot and passes through so that the second lock sets element, which has one positioning key is made not depart from the card The operating position of teeth portion and the recessed sky of the angle clip and one positioning key is made to be detached from the release of the ratchet clamping part and the recessed sky of the angle clip Position.

2. cutting implement safety labor-saving mechanism according to claim 1, it is characterised in that：The outer rim of the release plectrum has The one positioning recessed sky of clip, adjusting the release plectrum makes the recessed empty bare weight conjunction recessed with the angle clip of the positioning clip, makes the positioning key Can clip it is recessed empty with the recessed sky of angle clip in the positioning clip of coincidence.

3. cutting implement safety labor-saving mechanism according to claim 1, it is characterised in that：The angle drawing piece and the shearing An accommodating space is formed between the apparent surface of ontology, and the release plectrum is installed in the accommodating space.

4. cutting implement safety labor-saving mechanism according to claim 1, it is characterised in that：The release plectrum is in contrast to pivot One end outer rim connect pulls piece with a bending.

5. cutting implement safety labor-saving mechanism according to claim 1, it is characterised in that：The switching slot of the release plectrum An elastic stopper is formed in releasing position side, can be positioned on releasing position for release plectrum.

6. cutting implement safety labor-saving mechanism according to claim 1, it is characterised in that：The release plectrum can with one The elastic pulling part of operating position is positioned at when not exerting a force.