CN202556414U

CN202556414U - Art knife

Info

Publication number: CN202556414U
Application number: CN2012201963224U
Authority: CN
Inventors: 王爱国
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-05-03
Filing date: 2012-05-03
Publication date: 2012-11-28
Anticipated expiration: 2022-05-03

Abstract

The utility model discloses an art knife, which comprises a shell, and is characterized in that two groups of knife rests are arranged in parallel and are respectively arranged in cavities of the front half part of the shell through a knife rest gasket in a sliding mode; different types of blades are arranged on each group of knife rests; the upper ends of the knife rests are respectively provided with a push button which has the upward pop-up trend; the upper edge of the shell is provided with a strip-shaped groove corresponding to the upper edge of the knife rest gasket; two parallel push grooves in which the two push buttons slide are formed between the strip-shaped groove and the knife rest gasket; a plurality of groups of gear grooves through which the push buttons are positioned are respectively formed on inner walls on two sides of the strip-shaped groove; and the sides of the push buttons are provided with clamping pins which are matched with the gear grooves for positioning, so that retraction and gear positioning of the blades are realized. The art knife is attractive in appearance, safe to use and convenient to operate, has the functions of a backup knife and a double-blade knife, different blades can be used according to the needs, and the rapid knife replacement and gear positioning can be realized.

Description

A kind of cutter

Technical field

The utility model relates to a kind of technical field of cutter.

Background technology

Cutter is a kind of common hand tools, is commonly used to cut paper, leather, plastic sheet or hardboard etc.Existing cutter kind is a lot; Convenient in order to change blade, occur a lot of cutters on the market and had the function of cutter fully, like the patent No. 200920117976.1 Chinese patent " but cutter of a kind of automatic tool changer sheet "; Comprise shell and blade; Be provided with the magnetic push broach piece that can slide along the length direction of shell in the shell, be provided with vertical and the suitable blade storeroom of shape blade in the shell, magnetic push broach piece constitutes the bottom surface of blade storeroom; The head of shell is provided with out the edge of a knife; Magnetic push broach piece has upwardly extending push button, and the upper edge of shell is provided with the groove that pushes away along the outer cover length direction, and push button stretches into and pushes away in the groove, and the front end that pushes away groove has a horizontal groove that turns, and the bearing of trend that turns groove deviates from the blade storeroom.During use blade is pull-in on the magnetic push broach piece, magnetic push broach piece is pushed away forward through promoting push button, thus also drive simultaneously adhesive again the blade on the magnetic push broach piece push away forward blade released out the edge of a knife.When push button be pushed into groove foremost the time, push button pulled turns in the groove, then magnetic push broach piece produces rotation to a certain degree, thereby can blade be taken off.Though this structure can be changed blade fast; But with the same the function of use of most of cutters on the market with a kind of blade; Not only the scope of application is little, and does not have shift function, can not use dissimilar blades as required; Nor can position according to the needs of blade collapsing length, also need further to improve.

Summary of the invention

The utility model technical problem to be solved is that a kind of safe in utilization, cutter with double blade switch is provided to the above-mentioned state of the art; Not only can use different blades as required, and can carry out the gear location by the needs of blade collapsing length when using.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of cutter; Comprise the housing that is involuted by loam cake and base, be provided with slidably knife rest in the housing, the head of housing is provided with the opening that supplies blade flexible; It is characterized in that: said knife rest is two groups that laterally arrange; Be located at slidably in the first half cavity of housing through the knife rest pad in the middle of respectively, be equipped with different classes of blade on every group of knife rest, the upper end of knife rest be respectively equipped with one have the trend of popping up push button; The upper edge of said housing is provided with a bar-shaped trough corresponding to the upper edge of knife rest pad; Form the groove that pushes away that two push buttons of two parallel confessions slide between the upper edge of this bar-shaped trough and knife rest pad, on the inwall of the both sides of bar-shaped trough, be respectively equipped with the some groups of gear grooves that can supply the push button location, the sidepiece of push button is provided with the gear groove and cooperates the card base that positions; Said push button is located at slidably and is pushed away in the groove; And the knife rest that drives separately slides along pushing away groove with blade, and the card base through sidepiece cooperates with the gear groove and positions simultaneously, thereby realizes that stretching of blade reaches gear and locate.

As improvement; Said knife rest is the magnetic knife rest, is adsorbed on the both sides of knife rest pad respectively through magnetic force, and said knife rest spacers is located on the base; The front end face of knife rest pad flushes with the head opening of housing; And leave the gap that supplies two side blades flexible, and the upper end of said knife rest pad is provided with to the upper edge of both sides turnover, and two of the bar hole formation of upper edge and housing are parallel pushes away groove; The front of said knife rest forms the suction cutter groove that is used to place blade; The back side of knife rest is provided with horizontal raised line; Form the guide rail that can supply said raised line to embed on the both side surface of said knife rest pad, said knife rest was slidably disposed on the knife rest pad through raised line and cooperating of guide rail.

As improvement; The rear upper end of said knife rest is provided with one can supply the slot of push button plant; Between the bottom of slot and push button, be supported with a back-moving spring, the trend that push button is had pop up all the time, the inboard of said push button is provided with upper edge with the knife rest pad spacing projection that offsets; Said card base is located at the outside of push button, cooperates the location with the gear groove.

As improvement, the top of said blade is provided with at least one bayonet socket, and the back side of said knife rest is provided with the lock dog with the corresponding locking in bayonet socket position; One end of said lock dog is provided with the flange with bayonet fittings, and the breach that said flange passes on the knife rest is spacing in the bayonet socket of blade, and the other end of lock dog is provided with a circular hole; Lock dog is nested with on the circular columns at the knife rest back side through circular hole, above the lock dog circular hole, is provided with a salient angle, is supported with a spring between lock dog and the knife rest; Lock dog had rotate all the time trend with the bayonet locking of blade; Top inner wall front end at base and loam cake is respectively equipped with an inclined-plane projection, and when promoting push button to pushing away groove foremost the time, the salient angle on said inclined-plane projection and the lock dog offsets; And the elastic force that overcomes spring makes lock dog upwards rotate, and realizes that flange breaks away from from the bayonet socket of blade.

Improve again; Be provided with in the latter half cavity of said housing one be used to place spare blade the knife rest that is equipped with, end both sides that are equipped with knife rest are provided with projection, other end both sides are provided with Elastic buckle; The lower end, rear portion of said housing is provided with opening; On inner walls, be respectively equipped with and projection, shrinkage pool and draw-in groove that Elastic buckle is corresponding, the said knife rest that is equipped with places in the rear portion cavity of housing, and can open rotationally from the lower end of housing.

Improve again; The said knife rest that is equipped with adopts plastic rubber shaping; The bottom that is equipped with knife rest is shaped to the arc suitable with housing, is equipped with to be provided with cutter groove fully in the knife rest, and is provided with the elastic card that is used for fixing spare blade; The lower end, rear portion of said base and loam cake is provided with the circular arc opening; The said upper end that is equipped with the two-side elastic buckle of knife rest is shaped to the circular-arc convexity that cooperates with the circular arc opening, and this circular-arc convexity is embedded at the circular arc opening part of base and loam cake respectively through the size cooperation, again Elastic buckle through the upper end and base and on the draw-in groove that covers be interlockingly connected fixing.

Improve again; The middle part of said base is provided with a joint pin; The rear end of said knife rest pad is provided with corresponding through hole, covers on said and offers corresponding connection counterbore, and the through hole of said knife rest pad is nested with on joint pin; One attachment screw passes the connecting hole of loam cake, is screwed in the joint pin of base loam cake, knife rest pad are fixedly connected with base.

Further improvement, the afterbody below of said base is provided with a little joint pin, is provided with corresponding counterbore below the afterbody of said loam cake, connects through screw and fixes, the involutory back of said base and the loam cake hanging hole that formation one can be used for hanging above afterbody.

Further improve, said gear groove is three ~ four again, is opened on the top inwall of base and loam cake respectively, the both sides of bar-shaped trough.

As improvement, elastic strip and knife rest that the bottom of said knife rest pad is provided with the band dop cooperate.

At last, the outside of said loam cake is coated with the plastic and loam cake encapsulate of double-colored loam cake, and the outside of said base is coated with the plastic and base encapsulate of double-colored base.

Compared with prior art, the advantage of the utility model is: be provided with two groups of knife rests, blade, can use different blades according to different needs; Increased the scope of application of cutter greatly, the while is safe in utilization, operation is also very convenient, and the push button that only need press and promote separately forward just can drive knife rest to front slide; Be pull-in on blade on the knife rest simultaneously also along with housing is stretched out in slip; And can carry out the gear location, be provided with knife rest fully simultaneously, can in time change blade.The utility model is specious, safe in utilization, easy to operate, has the cutter and the double blade function of being equipped with, and not only can use different blades as required, and can realize rapid changing knife and gear location, practicality rational in infrastructure.

Description of drawings

Fig. 1 is the structure cutaway view of the utility model embodiment;

Fig. 2 is the STRUCTURE DECOMPOSITION figure of the utility model embodiment;

Fig. 3 is the partial structurtes sketch map of the utility model embodiment;

Fig. 4 is equipped with pack into the fundamental diagram of housing of knife rest for the utility model embodiment's;

Fig. 5 is the surface structure sketch map of the utility model embodiment.

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

As shown in the figure; A kind of cutter; Comprise housing 19, be located at knife rest pad 4 in the housing, two groups of knife rests 3, two blades 5, two push buttons 6 and be equipped with critical piece such as knife rest 7, housing 19 is that the loam cake 2 by aluminium die casting involutes with base 1, the head of the housing after loam cake 2 and base 1 are involutory forms the opening 18 that supplies blade flexible; Form a bar-shaped trough 17 in the upper edge, and be shaped to four groups of gear grooves 1.1 successively with the top inwall of loam cake 2 at both sides, the base 1 of bar-shaped trough 17; Knife rest pad 4 is to adopt stainless steel material to be liner, to add plastic processing, and is located at the interior middle part of first half cavity of housing 19, is fixed on the base 1; Its front end face flushes with the head opening of housing, and leaves the gap that supplies two side blades 5 to stretch, and the upper end of knife rest pad 4 is provided with the upper edge 4.1 to the both sides turnover; Upper edge 4.1 just in time places the middle part of bar-shaped trough 17; Form two parallel grooves 1.5 that push away with bar-shaped trough 17, knife rest 3 is the magnetic knife rest, is adsorbed on the both sides of knife rest pad 4 respectively through magnetic force; The front of knife rest 3 forms the suction cutter groove 3.3 that is used to place blade 5; The back side of knife rest 3 is provided with horizontal raised line, forms the guide rail 4.2 that can supply said raised line to embed on the both side surface of knife rest pad 4, and knife rest 3 was slidably disposed on the knife rest pad 4 through raised line and cooperating of guide rail 4.2; Elastic strip 4.4 and knife rest 3 that the bottom of knife rest pad 4 is provided with the band dop cooperate, and elastic strip 4.4 forms through on knife rest pad 4, slotting; The dop cross section presents the evagination triangle, and is simple in structure like this, when any one release in two knife rests is used; Can trigger elastic strip 4.4 protruding dops and eject and to reset, another knife rest then can't be released, play a protective role to opposite side; The rear upper end of knife rest 3 is provided with one can supply the slot 3.1 of push button 6 plants, and push button 6 is slidably disposed on and pushes away groove 1.5, and the lower end is plugged in the slot 3.1 of knife rest 3; Be supported with a back-moving spring 12 between the bottom of slot 3.1 and push button 6; Make push button 6 have the trend that pops up all the time, the inboard of push button 6 is provided with upper edge 4.1 with the knife rest pad 4 spacing projection 6.2 that offsets, and the outside of push button 6 is provided with card base 6.1 and cooperates the location with gear groove 1.1; So just can slide along pushing away groove 1.5 with blade 5, thereby realize the flexible of blade 5 and gear location through the knife rest 3 that push button 6 drives separately;

Blade 5 is two groups, and one group is ordinary blade, and another group is for having the blade of elbow; Be pull-in on respectively in the suction cutter groove 3.3 of two groups of knife rests 3, the top of blade 5 is provided with two bayonet sockets 5.1, and the back side of knife rest 3 is provided with the lock dog 8 with the corresponding locking in bayonet socket 5.1 positions; One end of lock dog 8 is provided with the flange 8.1 with bayonet fittings, and the breach that flange 8.1 passes on the knife rest 3 is spacing in the bayonet socket 5.1 of blade 5, and the other end of lock dog 8 is provided with a circular hole 8.3; The back side of knife rest 3 is provided with corresponding circular columns 3.2; Lock dog 8 is nested with on the circular columns 3.2 that is adsorbed on knife rest 3 back sides through circular hole 8.3 rotationally, and is adsorbed on knife rest 3 back sides through the magnetic force of knife rest 3, and lock dog 8 is provided with a salient angle 8.2 above circular hole 8.3; Salient angle 8.2 is the protuberances on band inclined-plane; Be supported with a spring 9 between one end of lock dog 8 and the knife rest 3, lock dog 8 had rotate all the time the trend with bayonet socket 5.1 lockings of blade 5, the other end of salient angle 8.2 is exactly the inclined-plane that molds; Top inner wall front end at base 1 and loam cake 2 is respectively equipped with a corresponding inclined-plane projection 1.6; When pressing and promote push button 6 to pushing away groove 1.5 foremost the time, this inclined-plane projection 1.6 just in time offsets on the inclined-plane with salient angle 8.2 on the lock dog 8, and the elastic force that makes lock dog 8 overcome spring 9 upwards rotates; Thereby make the flange 8.1 on the lock dog 8 from the bayonet socket 5.1 of blade 5, break away from, so just can like a cork blade 5 be taken off and change;

Be equipped with knife rest 7 and be arranged in the latter half cavity of housing 19, be equipped with knife rest 7 and adopt plastic rubber shapings, its bottom is shaped to the arc suitable with housing 19; Its top is provided with cutter groove 7.1 fully, is equipped with cutter groove 7.1 and is provided with the elastic card 7.2 that is used for fixing spare blade, and end both sides that are equipped with knife rest 7 are provided with projection 7.3; Other end both sides are provided with Elastic buckle 7.4, are respectively equipped with corresponding shrinkage pool 1.7 and draw-in groove 1.8 on the inwall of base 1 and loam cake 2, and the lower end, rear portion of base 1 and loam cake 2 is provided with circular arc opening 1.3 and 2.2; The upper end that is equipped with the two-side elastic buckle 7.4 of knife rest 7 is shaped to the circular-arc convexity that cooperates with circular arc opening 1.3 and 2.2; This circular-arc convexity cooperates circular arc opening 1.3 and 2.2 places be embedded at base 1 and loam cake 2 respectively through size, is equipped with the cooperation of knife rest 7 through the draw-in groove 1.8 on Elastic buckle 7.4 and base 1 and the loam cake 2 and can be connected with housing bottom or breaks away from and open, and pass through projection 7.3 and cooperate the realization rotation with shrinkage pool 1.7 on base 1 and the loam cake 2; When taking spare blade like this; As long as push the fully circular-arc convexity of the rear end of knife rest 7 with hand, make Elastic buckle 7.4 from housing, break away from, just can stretch out and rotate from housing bottom being equipped with knife rest 7; The spare blade of taking; After using up, will be equipped with knife rest 7 again and upwards rotate, and insert the back snapping from the bottom of housing and fix;

The front end of base 1 up and down both sides forms one " ┐ " type projection 1.9, and the front end of loam cake 2 both sides up and down forms " ┐ " type groove that cooperates with it, makes after involutory to be attractive in appearance firm again like this; The middle part of base 1 is provided with a joint pin 1.2; The rear end of knife rest pad 4 is provided with corresponding through hole 4.3, and knife rest pad 4 is nested with on joint pin 1.2 through through hole 4.3, offers corresponding connection counterbore 2.1 on the loam cake 2; One attachment screw 10 passes the connection counterbore 2.1 of loam cake 2; Be screwed in the joint pin 1.2 of base 1 loam cake 2, knife rest pad 4 and base 1 are fixedly connected, the afterbody below of base 1 is provided with a little joint pin 1.4, and the afterbody below of loam cake 2 is provided with corresponding counterbore 2.3; Fixing through screw 11 connections, and base 1 and the loam cake 2 involutory back hanging holes 2.4 that formation one can be used for hanging above afterbody; The outside of loam cake 2 is coated with double-colored loam cake plastic 15 and loam cake encapsulate 16, and the outside of base 1 is coated with double-colored base plastic 13 and base encapsulate 14, and feel as snug as a bug in a rug during not only appearance looks elegant, and use.

During work; Only need press and promote forward push button 6 can drive a knife rest 3 to front slide; Be pull-in on blade 5 on the knife rest 3 simultaneously also along with to front slide and stretch out housing 19, movable during when push button 6 to gear groove 1.1, unclamp push button 6; Make the card base 6.1 on the push button cooperate the location, can position by the needs of blade 5 collapsing lengths when using with gear groove 1.1; And when any one release in two knife rests is used, can trigger elastic strip 4.4 protruding dops and eject to the opposite side direction, stop another knife rest, another knife rest then can't be released; Can use different blades 5 as required; When needing to change blade 5, press and promote forward push button 6 to pushing away groove 1.5 foremost, the salient angle 8.2 on this inclined-plane projection 1.6 and the lock dog 8 just in time offsets on the inclined-plane; The elastic force that makes lock dog 8 overcome spring 9 upwards rotates; Make the flange 8.1 on the lock dog 8 from the bayonet socket 5.1 of blade 5, break away from, make and the latch-release of lock dog 8 blade 5 just can like a cork old blade be taken off or further change new blade; Unclamp push button 6, make lock dog 8 once more blade 5 lock; Push the fully circular-arc convexity of the rear end of knife rest 7 with hand, make Elastic buckle 7.4 stretch out, just can spare blade be taken off from housing bottom, after having got, will be equipped with knife rest 7 upwards rotation and housing snapping fix, so just can change blade 5 apace.

Claims

1. cutter; Comprise the housing that is involuted by loam cake and base, be provided with slidably knife rest in the housing, the head of housing is provided with the opening that supplies blade flexible; It is characterized in that: said knife rest is two groups that laterally arrange; Be located at slidably in the first half cavity of housing through the knife rest pad in the middle of respectively, be equipped with different classes of blade on every group of knife rest, the upper end of knife rest be respectively equipped with one have the trend of popping up push button; The upper edge of said housing is provided with a bar-shaped trough corresponding to the upper edge of knife rest pad; Form the groove that pushes away that two push buttons of two parallel confessions slide between the upper edge of this bar-shaped trough and knife rest pad, on the inwall of the both sides of bar-shaped trough, be respectively equipped with the some groups of gear grooves that can supply the push button location, the sidepiece of push button is provided with the gear groove and cooperates the card base that positions; Said push button is located at slidably and is pushed away in the groove; And the knife rest that drives separately slides along pushing away groove with blade, and the card base through sidepiece cooperates with the gear groove and positions simultaneously, thereby realizes that stretching of blade reaches gear and locate.

2. cutter according to claim 1; It is characterized in that said knife rest is the magnetic knife rest, be adsorbed on the both sides of knife rest pad respectively through magnetic force, said knife rest spacers is located on the base; The front end face of knife rest pad flushes with the head opening of housing; And leave the gap that supplies two side blades flexible, and the upper end of said knife rest pad is provided with to the upper edge of both sides turnover, and two of the bar hole formation of upper edge and housing are parallel pushes away groove; The front of said knife rest forms the suction cutter groove that is used to place blade; The back side of knife rest is provided with horizontal raised line; Form the guide rail that can supply said raised line to embed on the both side surface of said knife rest pad, said knife rest was slidably disposed on the knife rest pad through raised line and cooperating of guide rail.

3. cutter according to claim 2; The rear upper end that it is characterized in that said knife rest be provided with one can supply push button to plant slot; Between the bottom of slot and push button, be supported with a back-moving spring, the trend that push button is had pop up all the time, the inboard of said push button is provided with upper edge with the knife rest pad spacing projection that offsets; Said card base is located at the outside of push button, cooperates the location with the gear groove.

4. cutter according to claim 3 is characterized in that the top of said blade is provided with at least one bayonet socket, and the back side of said knife rest is provided with the lock dog with the corresponding locking in bayonet socket position; One end of said lock dog is provided with the flange with bayonet fittings; The breach that said flange passes on the knife rest is spacing in the bayonet socket of blade, and the other end of lock dog is provided with a circular hole, and lock dog is nested with on the circular columns at the knife rest back side through circular hole; Above the lock dog circular hole, be provided with a salient angle; Be supported with a spring between lock dog and the knife rest, lock dog had rotate all the time the trend with the bayonet locking of blade, be respectively equipped with an inclined-plane projection at the top inner wall front end of base and loam cake; When promoting push button to pushing away groove foremost the time; Salient angle on said inclined-plane projection and the lock dog offsets, and the elastic force that overcomes spring makes lock dog upwards rotate, and realizes that flange breaks away from from the bayonet socket of blade.

5. cutter according to claim 1; It is characterized in that being provided with in the latter half cavity of said housing one be used to place spare blade the knife rest that is equipped with, end both sides that are equipped with knife rest are provided with projection, other end both sides are provided with Elastic buckle; The lower end, rear portion of said housing is provided with opening; On inner walls, be respectively equipped with and projection, shrinkage pool and draw-in groove that Elastic buckle is corresponding, the said knife rest that is equipped with places in the rear portion cavity of housing, and can open rotationally from the lower end of housing.

6. cutter according to claim 5; It is characterized in that the said knife rest that is equipped with adopts plastic rubber shaping; The bottom that is equipped with knife rest is shaped to the arc suitable with housing, is equipped with to be provided with cutter groove fully in the knife rest, and is provided with the elastic card that is used for fixing spare blade; The lower end, rear portion of said base and loam cake is provided with the circular arc opening; The said upper end that is equipped with the two-side elastic buckle of knife rest is shaped to the circular-arc convexity that cooperates with the circular arc opening, and this circular-arc convexity is embedded at the circular arc opening part of base and loam cake respectively through the size cooperation, again Elastic buckle through the upper end and base and on the draw-in groove that covers be interlockingly connected fixing.

7. according to the described cutter of the arbitrary claim of claim 1 to 5; The middle part that it is characterized in that said base is provided with a joint pin; The rear end of said knife rest pad is provided with corresponding through hole, covers on said and offers corresponding connection counterbore, and the through hole of said knife rest pad is nested with on joint pin; One attachment screw passes the connecting hole of loam cake, is screwed in the joint pin of base loam cake, knife rest pad are fixedly connected with base.

8. according to the described cutter of the arbitrary claim of claim 1 to 5; The afterbody below that it is characterized in that said base is provided with a little joint pin; The afterbody below of said loam cake is provided with corresponding counterbore; Fixing through the screw connection, the involutory back of said base and the loam cake hanging hole that formation one can be used for hanging above afterbody.

9. according to the described cutter of the arbitrary claim of claim 1 to 5, it is characterized in that said gear groove is three ~ four, be opened on the top inwall of base and loam cake respectively, the both sides of bar-shaped trough.

10. according to the described cutter of the arbitrary claim of claim 1 to 5, it is characterized in that the bottom of said knife rest pad is provided with the elastic strip and the knife rest cooperation of band dop.