CN2855774Y - Art designer knife - Google Patents

Abstract

Disclosed is an art designing knife, comprising an outer shell base, an outer shell upper cover, a frame for installing the knife and a blade. The outer shell base and the outer shell upper cover are connected by involution to form the shell. The head of the shell is formed with an opened mouth for the blade to stretch out and in, and the back of the shell is formed with a slot for a pushing button to slide. The part of the pushing button that is inside the slot is connected with the frame for installing the knife, on which the blade is arranged, and can slide front and back along the frame for installing the knife inside the shell. A connecting structure, which can make the blade stretch out and in and can unlock by the pressing of a hand, is arranged between the pushing button and the shell. It is characterized in that an elastic clipping sheet is fixed by clipping on the inner side on the back part of the shell. The clipping button of the elastic clipping sheet clips the spare blade from the inner side. The utility model has a simple and reasonable structure, fewer parts, is easy to produce, has a lower cost, firm structure, is not easy to be damaged and is convenient to be used.

Description

Cutter

Technical field

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

Background technology

Traditional cutter is because easy to use, factor such as quick is widely applied on the cutting occasion such as paper card, traditional cutter is considered blade easy wear damage and cutter head factor such as hurt sb.'s feelings easily in use under off working state, designed the blade reserve chamber of the blade that stores for future use at the position, back of cutter, hide the blade of receiving spare blade and removing from knife rest, this blade reserve chamber design is generally very simple, it only is cavity with the blade shapes broadly similar, its defective is to use very inconvenient, particularly blade is taken out from the blade reserve chamber, difficult more, usually the outer casing base of cutter can only be turned over, spare blade is poured out in the blade reserve chamber, picking a slice blade again is contained on the knife rest, blade with other is contained in the blade reserve chamber then, so, use very inconveniently, also hurt finger easily.The patent No. is 03229342.9 Chinese patent " a kind of cutter of changeable blade " for this reason, it comprises housing, be located in the housing and pass flexible dress knife rest and the blade that is connected by the blade buckle by navigation button, in hull outside the blade loading and unloading switch of changing blade is set simultaneously, this blade loading and unloading switch connects the blade buckle by blade buckle axle, remove being connected of blade buckle and blade by handling blade loading and unloading switch, realize changing the function of blade, this design blade location is reliable, use is stable, exchanging knives process is simple and fast, there is not stuck phenomenon, afterbody can be preserved many spare blades, can put into standbyly after using up once more, and picks and places conveniently, as long as other damaging problem does not appear in cutter, just can utilize down, the structure that it is used for storing blade is design so always, and it is provided with the shape that can hide blade at the afterbody of left and right sides housing and presents

Bonnet, this bonnet is hinged with little aperture with left and right sides inner walls of both sides, the other end hypotenuse be provided with left and right sides housing inner chamber in the snap-on that is interlockingly connected of baffle plate, and be provided with the limited shoulder that restriction pushes away in the bonnet on the housing internal chamber wall of the left and right sides, its defective is the structure more complicated, the production that is not easy to assembly also damages easily, and in use spare blade unexpectedly drops out from bonnet easily and hurts sb.'s feelings in addition.

Summary of the invention

Technical problem to be solved in the utility model provides a kind of cutter, and it hides the simple and reasonable of blade, makes easily, is not easy to damage, and is easy to use.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of cutter, it includes outer casing base, outer casing upper cover, the dress knife rest, blade, involutory the coupling together of outer casing base and outer casing upper cover formed housing, housing forms for the flexible opening of blade at head, form the chute that slides for push button at the back, push button links together with the dress knife rest at position, chute the inside, on the dress knife rest blade is housed, and can be in housing with the dress knife rest front and back slide, hand is arranged by the syndeton that blade is stretched that unlocks between push button and the housing, it is characterized in that described housing in the back the inboard face in position fix flexible card, block spare blade in the buckle of elastic card.

Useful is, above-mentioned housing forms facade on the inboard face of outer casing base, accordingly, form the cooperation facade, formed draw-in groove between the facade at opposite side, the punching press of elastic card connecting portion has the elasticity card base of protrusion, make elastic card pass through the elasticity card base of connecting portion and the clamping of draw-in groove, elastic card is fixed on the inboard face of outer casing base, it is simple and strong for structure, make easily, be not easy to damage.

What be highly profitable is, above-mentioned cooperation facade is connected with transition face, and transition face is to reduce inclination gradually, be adjacent to the position, outside of elastic card, it is inclined upwardly the back of blade naturally, and the people is taken out blade from card, easy to use, can not get in the way.

Useful is, above-mentioned elastic card main body section presents " U " font, form the arc ridge in the outside side of bottom land, gradually near the inboard face of elastic card, it makes elastic card keep better elastic and the chucking power of certain clamping blade is arranged lateral surface more then.

What be highly profitable is that above-mentioned elastic card side end outside forms the protectiveness crimping, prevents that elastic card from hurting staff.

Useful is, inboard face forms short projection to above-mentioned outer casing base in the middle part, be shaped on internal thread in the projection, accordingly, outer casing upper cover forms the through hole of band indent step surface in the middle part, after locking knob passes described through hole, and locking knob is positioned in the through hole with jump ring, the root of locking knob is shaped on external screw thread, by with being threaded of the internal thread of projection, outer casing upper cover and outer casing base are coupled together, and it makes the mounting or dismounting of cutter convenient, establishes technical foundation for changing blade easily.

What be highly profitable is, above-mentioned housing forms circular arc-shaped recess below the locking knob front, and is surrounded by the crescent garment bag below the locking knob back, cutter is held more stick on hand comfortable, easy to use.

At last, above-mentioned dress knife rest molds cavity at its inboard face, and build-in is used for holding the magnetic patch of blade in the cavity, and in dress blade process, blade is not easy unexpectedly to split away off from knife rest like this, makes dress changing knife frame blade be more prone to convenient, can not hinder hand.

Compared with prior art, advantage of the present utility model is: relatively simple for structure rationally parts are few, manufacture easily, and cost is low, and sturdy construction is not easy to damage, and use also easily quick.

Description of drawings

Fig. 1 is the structure cutaway view of cutter;

Fig. 2 is the structure cutaway view (the dress knife rest is pulled down under the state) of cutter;

Fig. 3 is the vertical view of outer casing base;

Fig. 4 is the vertical view of outer casing upper cover;

Fig. 5 is the front view of cutter;

Fig. 6 is that the C-C of Fig. 1 is to sectional view;

Fig. 7 is that the A-A of Fig. 1 is to cutaway view;

Fig. 8 is that the B-B of Fig. 1 is to cutaway view.

The specific embodiment

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

Anticipate as shown in the figure, a kind of cutter, it includes outer casing base 1, outer casing upper cover 2, dress knife rest 3, blade 4 critical pieces such as grade, outer casing base 1 and outer casing upper cover 2 are to be concavo-convex cooperation at head, and adopt metal to make, front portion at outer casing base 1 close opening 12 forms gathering sill 11, bottom land two guide rails 13 that distributed, one dress knife rest 3 can slide front and back in gathering sill 11, the last lower sideband of dress knife rest 3 has omoplate guide rail 31, blade can be embedded between omoplate guide rail 31, thereby cooperate with the card base 32 of dress on the knife rest 3 by blade 4 upper latch notches 41 and to be fixed on the dress knife rest 3, see Fig. 1,2, lower sideband has outstanding edge 33 on the rear portion of dress knife rest 3,34, at outstanding edge 33, leave locating hole 35 on 34,36, the bottom of one push button 5 extends in the housing and becomes biasing post 51, be through the locating hole 35 at outstanding edge, in 36, the edge 511 of biasing post 51 is stuck on the outstanding edge 33, simultaneously, one little spring 6 is enclosed within on the biasing post 51, between the edge 34 that is supported on biasing post 51 and gives prominence to, the bottom of push button 51 also is shaped on the fixture block 52 that cooperates with a plurality of bayonet sockets 15 below the housing upper hopper chute 14, also be shaped on the guide rail of two cooperations near the position of opening in the front portion of outer casing upper cover 2, like this, outer casing upper cover 2 and the outer casing base 1 involutory housing of just having formed cutter that couples together, housing forms for the flexible opening 12 of blade at head, form the chute 14 that slides for push button at the back, push button 5 links together with dress knife rest 3 at position, chute the inside, on the dress knife rest 3 blade 4 is housed, and can be in housing with the dress knife rest front and back slide, hand is arranged by the syndeton that blade is stretched that unlocks between push button 5 and the housing, these all are traditional known technologies, crucial part of the present invention be housing in the back the inboard face of position such as handle fix flexible card 7, block spare blade 8 in the buckle of elastic card 7.Their structures can be to form horizontal wall facade 16 on the outer casing base 1 inboard face, some positions below a little, also form on the outer casing base 1 and cooperate wall facade 17, make and formed a draw-in groove 18 between both facades, and following wall facade 17 is connected with transition face 19, transition face 19 is perpendicular and reduce gradually with this facade, and is adjacent to the position, the back side of elastic card 7, sees Fig. 3,8.Elastic card 7 main body sections present " U " font, form arc ridge 71 in the outside side of bottom land, and lateral surface 72 gradually near the inboard face 73 of elastic card, forms a protectiveness crimping 74 in lateral surface 72 ends more naturally then, prevents to hinder hand, sees Fig. 8.Elastic card 7 connecting portions 75 stamp out the elasticity card base 76 of a plurality of protrusions, and elasticity card base 76 is that rightabout is gone out successively, and elastic card 7 is fixed on the outer casing base 1 inboard face elastic card 7 by the clamping of elasticity card base 76 with the draw-in groove 18 of connecting portion.Carry out the dismounting blade for the ease of cutter, outer casing base 1 and outer casing upper cover 2 are to adopt efficiently that syndeton assembles, inboard face forms a short projection 110 to outer casing base 1 in the middle part, projection 110 the insides are shaped on internal thread, and outer casing upper cover 2 is at the middle part of correspondence moulding one through hole 21, the surface band indent step surface 22 of through hole 21, one locking knob 9 passes described through hole 21, with a jump ring 10 locking knob 9 is rotatably positioned in through hole 21, the root of locking knob 9 is shaped on the external screw thread that cooperates with 110 li internal threads of short projection, sees Fig. 6.Outer casing base 1 is the top position at position and form the dowel hole 111,112 that fuses near the lower position of the concavo-convex identical junction of housing in the back respectively, 2 positions in correspondence of outer casing upper cover form the pin that fuses, when 2 pairs of outer casing base 1 and outer casing upper covers altogether the time, make pin on the outer casing upper cover 2 be inserted into Primary Location in the dowel hole 111,112 on the outer casing base 1, the rotational lock knob 9 again, being threaded of internal thread by its root and projection 110, outer casing upper cover 2 and outer casing base 1 are coupled together apace, see Fig. 6.And housing also molds circular arc-shaped recess 113 below locking knob 9 fronts, be convenient to the forefinger hook and be held in this recess location, housing then is surrounded by crescent garment bag 114 below the locking knob back, holds for middle finger, the third finger and the little finger of toe of hand, improve the comfortableness of holding, see Fig. 5.Improve at last and be, the inboard face punch forming of dress knife rest 3 goes out a cavity, and build-in one magnetic patch 200 in the cavity is used for holding blade 4, prevents that blade from sliding in installation process, hurts finger, so, very convenient to use fast.

The operation principle and the using method of this cutter are as follows, when will use spare blade, reverse rotation locking knob 9, the root of locking knob 9 is threaded with short projection 110 disengagings, outer casing upper cover 2 is thrown off from outer casing base 1, take out spare blade 8 from elastic card 7, old blade is shirked from the dress knife rest, lose or snap onto once more in the elastic card 7 and go, spare blade 8 is inlaid on the dress knife rest 3, and then, outer casing upper cover 2 and outer casing base 1 are once more to altogether, make pin on the outer casing upper cover 2 be inserted into pin-and-hole 111 on the outer casing base 1, Primary Location in 112, the rotational lock knob 9 again, and being threaded of the internal thread by its root and projection 110 couples together outer casing upper cover 2 and outer casing base 1 apace, promote the cutter head length that push button 5 just can be regulated cutter, used cutter.

Claims (10)

1, a kind of cutter, it includes outer casing base, outer casing upper cover, the dress knife rest, blade, involutory the coupling together of outer casing base and outer casing upper cover formed housing, housing forms for the flexible opening of blade at head, form the chute that slides for push button at the back, push button links together with the dress knife rest at position, chute the inside, on the dress knife rest blade is housed, and can be in housing with the dress knife rest front and back slide, hand is arranged by the syndeton that blade is stretched that unlocks between push button and the housing, it is characterized in that described housing in the back the inboard face in position fix flexible card, block spare blade in the buckle of elastic card.

2, cutter according to claim 1, it is characterized in that described housing forms facade on the inboard face of outer casing base, accordingly, form the cooperation facade at opposite side, formed draw-in groove between the facade, the punching press of elastic card connecting portion has the elasticity card base of protrusion, makes elastic card pass through the elasticity card base of connecting portion and the clamping of draw-in groove, and elastic card is fixed on the inboard face of outer casing base.

3, cutter according to claim 2 is characterized in that described cooperation facade is connected with transition face, and transition face is to reduce inclination gradually, is adjacent to the position, the back side of elastic card.

4, cutter according to claim 3 is characterized in that described elastic card main body section presents " U " font, forms the arc ridge in the outside side of bottom land, and lateral surface is more gradually near the inboard face of elastic card then.

5, cutter according to claim 4 is characterized in that described elastic card side end formation outside protectiveness crimping.

6, according to any described cutter of claim in the claim 1 to 5, inboard face forms short projection in the middle part to it is characterized in that described outer casing base, be shaped on internal thread in the projection, accordingly, outer casing upper cover forms the through hole of band indent step surface in the middle part, after locking knob passes described through hole, and locking knob is positioned in the through hole with jump ring, the root of locking knob is shaped on external screw thread, by with being threaded of the internal thread of projection, outer casing upper cover and outer casing base are coupled together.

7, cutter according to claim 6 is characterized in that described housing forms circular arc-shaped recess below the locking knob front, and be surrounded by the crescent garment bag below the locking knob back.

8, cutter according to claim 7 is characterized in that described outer casing upper cover and outer casing base form location pin and the dowel hole that cooperatively interacts respectively.

9, cutter according to claim 8 is characterized in that the position of described location pin and dowel hole is provided with the lower position of the top position and the close concavo-convex identical junction of housing at position, housing back.

10, cutter according to claim 1 is characterized in that described dress knife rest molds cavity at its inboard face, and build-in is used for holding the magnetic patch of blade in the cavity.

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