CN2619804Y

CN2619804Y - Art designing knife with changeable blade

Info

Publication number: CN2619804Y
Application number: CN 03229342
Authority: CN
Inventors: 潘德苗
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-03-11
Filing date: 2003-03-11
Publication date: 2004-06-09
Anticipated expiration: 2013-03-11

Abstract

The utility model is a cutter which can change the blade, and comprises a shell, a cutter frame pulled and expanded by a positioning button and a blade connected by a blade buckle, and meantime, a blade assembling and discharging switch for changing the blade at the outside of the shell, the blade assembling and discharging switch realizes connection with the blade buckle by use of the blade buckle axis, the utility model disconnects the blade buckle and the blade by operating the blade assembling and discharging switch, realizing the function of changing the blade, the blade of the design has advantages of reliable positioning, stable operation process and easy and quick blade changing process, promising no stuck situation, the tail part can store a plurality of the spare blades, after using, the blade can be stored for spare, and moreover, the cuter is easy for fetching, on condition that the cutter is not broken, the cutter can be always useful, thereby saving large amount of money.

Description

The cutter of changeable blade

Technical field

The utility model relates to a kind of cutter of changeable cutting blade.

Background technology

Cutter is the indispensable instrument of paperwork cutting paper, for people's routine office work has brought convenience, yet all there is the incomplete defective of structural design in traditional cutter, only be equipped with single blade, when this single blade consumption is used up, will buy cutter again, even can replace blade again, dismounting is also pretty troublesome, therefore, the words waste of buying again is too big, replaces wasting time and energy again of blade dismounting trouble." a kind of have the cutter of replacing blade apparatus automatically " of Chinese patent CN2157061y, its disclosed technology is that a housing is arranged, one box casket is arranged in the housing, be provided with stacked a plurality of blades together in the box casket, plate, the meander-like elastic plate, prop up plate and a plurality of blade by elastic plate, pass the through hole of a plurality of blades by the movable riser on the plate, make in the protruding grain passing activity riser on it by passing and to contract pushing block, its protruding grain colludes and closes the superiors' insert through hole when promoting again, and the protruding grain degree of depth is not more than blade thickness, can only promote the superiors' blade at every turn, when the superiors' blade consumption can not re-use, make pushing block extend out to the end, the superiors' blade breaks away from the box casket and drops, and then in move pushing block and make protruding grain collude the superiors' blade that closes new formation once more, until all ruing out of blade, though this scheme has avoided buying again the waste that cutter causes, but still have a fault of construction, at first be a plurality of blades, plate, the meander-like elastic plate is with being installed in the box casket, obviously, for the volume that makes cutter can not be too big, the volume of box casket is inevitable restricted, this has just limited the quantity that blade is installed, and the dismounting of box casket is reinstalled is pretty troublesome, ordinary consumer also is unwilling to spend this energy again, so its save money is limited; Secondly, blade is propped up by the meander-like elastic plate, and blade own only utilizes the one through hole to collude mutually with protruding grain and closes, and its location in the box casket is not ideal enough, when blade stretches out use or tool changing, the possibility that the blade swing is unstable and tool changing is blocked can occur.

Summary of the invention

Technical problem to be solved in the utility model is to avoid the defective of prior art and cutter that another kind of changeable blade is provided, this cutter has special-purpose blade exchange loading and unloading construction of switch, make blade all be able to good location in use and exchanging knives process, tool changing do not block, more conveniently be its first purpose; Provide simultaneously a kind of can be repeatedly repeatedly the cutter that can save more money that uses repeatedly of tool changing be second purpose.

Technical problem of the present utility model is finished by following technical scheme: the cutter of changeable blade, it comprises housing, housing is provided with the flexible cylindrical void of blade at head, the top has elongated window, window slotted eye both sides are equidistant positioning tooths, navigation button passes above-mentioned slotted eye and is connected with the dress knife rest that is located at inner chamber, and the navigation button both sides are provided with the positioning tooth that is meshed with above-mentioned slotted eye positioning tooth, and it has hand with the dress knife rest and removes the flexible syndeton of engagement promotion blade; Blade is positioned in the dress knife rest and dress knife rest synchronization telescope, described hull outside is provided with the blade loading and unloading switch of changing blade, it can move along the housing skewed slot, and by blade buckle axle connection blade buckle, be connected and same moved further with the dress knife rest again, between blade buckle axle and housing internal chamber wall, be provided with reset tension spring.

Described housing is made up of left shell and right shell that mutual concave, convex coincide to connect, is made by metal, therein, afterwards shank is provided with the soft bound edge of moulding.

Described navigation button is that the navigation button below is eccentric leg with the syndeton of dress knife rest, this off-centre leg is inserted in the hole of dress knife rest upper and lower wall, and the positioning tooth that is provided with the positioning tooth that makes navigation button and window slotted eye on the eccentric leg between the upper and lower wall recovers the back-moving spring that meshes.

The structure of described dress knife rest positioning blade is the omoplate guide rail of upper and lower both sides and the corner block at rear portion.

Described blade is the blade buckle that can upwards lift that is provided with on the knife rest with its flexible connection adorning with the synchronization telescope structure of dress knife rest, two downward boss are arranged on the blade buckle, two recessed round tablings on it and the blade form the blade buckle and are adorned the passing of knife rest and drive the flexible structure of blade.

Described blade buckle is a supporting leg by blade buckle bottom with being connected of dress knife rest, and this supporting leg activity is inserted in the hole of dress knife rest.

The inboard of described blade loading and unloading switch is provided with the flange that can remove blade buckle boss and the recessed round tabling of blade, and this flange has the side that is fastened on hull outside skewed slot madial wall and lifts the blade buckle.

Described left shell, right shell afterbody are provided with being of built-in blade

The bonnet of type, this bonnet is hinged with left and right shell internal chamber wall aperture with the little axle of one head both sides, and the other end hypotenuse is provided with the snap-on that is interlockingly connected with left and right shell inner chamber baffle plate, and is provided with the limited shoulder that pushes away in the spacing bonnet on left and right shell internal chamber wall.

Compared with prior art, the location and installation of the utility model blade in housing is reliable, and use is stable, changes the set blade loading and unloading switch of blade and makes exchanging knives process simple and fast, can not produce stuck phenomenon, glad this cutter that uses of consumer, its afterbody can be preserved many blades, promptly uses and can put into standby, and pick and place conveniently, as long as other damaging problem does not appear in cutter, just can save substantial contribution with going down always.

Description of drawings

Fig. 1 is the utility model master TV structure schematic diagram.

Fig. 2 is the vertical view of Fig. 1.

Fig. 3 is that the K of Fig. 1 is to view.

Fig. 4 is the rearview behind Fig. 1 the removes left shell.

Fig. 5 is the relative position figure of navigation button, dress knife rest, blade buckle.

Fig. 6 is the rearview of Fig. 5.

Fig. 7 is the vertical view of Fig. 6.

The specific embodiment

Below with reference to above-mentioned accompanying drawing embodiment the utility model is described in detail again.

Referring to Fig. 1-4, the cutter of changeable blade, the left shell 8 and the right shell 2 that connect with concavo-convex identical screw mutually that its housing is made by metal are formed, therein, the back shank is moulded as bound edge 1 with soft, make the cutter good hand touch, form a cylindrical void in the head junction, the gateway that supplies blade 6 to stretch, the junction, top has elongated window, window slotted eye both sides are equidistant positioning tooths 9, the both sides of passing the navigation button 3 in this slotted eye also are processed with positioning tooth 19, can pass along slotted eye, realize the location of the flexible and flexible distance of blade.When navigation button is depressed, when the positioning tooth of the positioning tooth of its both sides and slotted eye both sides is thrown off, promptly remove engagement, can realize the flexible of blade; In a single day navigation button is loosened, its both sides positioning tooth meshes slotted eye both sides positioning tooth again, and the flexible distance of blade is positioned.

The top of navigation button 3 is processed with anti-skidding straight burr, it passes slotted eye and is connected with the dress knife rest 12 that is located at inner chamber, its syndeton is such: referring to Fig. 5-6, the navigation button cross section is rectangular, the below is eccentric leg 27, this off-centre leg interts in the square hole of dress knife rest 12 upper and lower walls 25, and eccentric leg can not rotate in this square hole, is provided with back-moving spring 26 on the eccentric leg between the upper and lower wall.When navigation button by after manually being depressed, the positioning tooth 19 of its both sides separates with slotted eye both sides positioning tooth 9, navigation button 3 can push away forward and blade 6 can be released, make the blade retraction backward, navigation button one loosens, back-moving spring 26 resets the navigation button rising, both positioning tooths mesh again, this moment blade rest on stretch out or retraction distance last, navigation button is pushed into extreme position forward, and the blade outreach is the longest, if be pushed into extreme position backward, the whole retractions of blade, the length distance of passing just in time equals the length of blade.

Dress knife rest 12 is embedded on a left side, on the internal chamber wall of right shell, the dress knife rest is on correspondence, on the another side of lower wall 25 has, following omoplate guide rail 21, blade is to be embedded on this, the corner block 20 of following omoplate guide rail 21 and tail end is the location, the dress knife rest is made synchronization telescope under the promotion of navigation button, blade also with dress knife rest synchronization telescope, its synchronization telescope structure is: referring to Fig. 4-5, be provided with blade buckle 10 with its flexible connection at dress knife rest top, it is by the supporting leg 22 of blade buckle bottom, activity is inserted in the hole of dress knife rest, can handle blade loading and unloading switch makes on it and lifts, two downward boss 11 are arranged on the blade buckle, two recessed circle 18 tablings on it and the blade form the blade buckle and are adorned the passing of knife rest and drive the flexible structure of blade.

The blade loading and unloading switch 5 of changing blade is referring to Fig. 1, Fig. 7, be located in the skewed slot 4 of hull outside, can along the skewed slot guide rail move and with the dress knife rest be connected indirectly, so can with dress knife rest same moved further, blade loading and unloading switch 5 connects blade buckle 10 by blade buckle axle 23, and the blade buckle links to each other with dress knife rest 12, so and the same moved further of dress knife rest, between blade buckle axle and housing internal chamber wall, be provided with reset tension spring 24.When needs are changed blade, blade has been pushed to the place ahead extreme position, blade loading and unloading this moment switch 5 is also just being pushed low degree 7 positions of housing skewed slot to, arrest blade loading and unloading switch this moment and rotate counterclockwise 90 °, because the inboard of blade loading and unloading switch is provided with flange 28, when flange is followed when reversing 90 °, its side 29 just in time is fastened on the madial wall of hull outside skewed slot, just lift blade buckle 10 by blade buckle axle 23 this moment, thereby remove the chimeric of blade buckle boss 11 and the recessed circle 18 of blade, blade 6 can be extracted in the cylindrical void from the head, changes new blade.After new blade changes the outfit and goes up, blade is loaded and unloaded switch 5 clockwise 90 °, blade buckle 10 resets under reset tension spring 24 effects, blade buckle boss 11 embeds the recessed circle 18 of blade again, can promote navigation button 3 and move to the limit backward this moment, in blade 6 whole retraction housings, for future use.

The blade of stocking usefulness is arranged on left and right shell afterbody inner chamber, referring to Fig. 4, built-in blade with The bonnet 13 of type is closed, this bonnet is hinged with the little axle 14 of disjunctor of one head both sides and the aperture of left and right shell internal chamber wall, the hypotenuse of other end is provided with the snap-on 16 that the baffle plate 15 with left and right shell inner chamber is interlockingly connected, on left and right shell internal chamber wall, be provided with simultaneously the limited shoulder 17 that pushes away in the spacing bonnet 13, just in time be stuck between limited shoulder and the baffle plate after bonnet is closed, if need to change blade, take out new blade as long as open bonnet, when the blade of preserving exhausts, also can insert new blade again, this cutter can be used down always, till scrapping.

Claims

1, a kind of cutter of changeable blade, it comprises housing, housing is provided with the flexible cylindrical void of blade (6) at head, the top has elongated window, window slotted eye both sides are equidistant positioning tooth (9), navigation button (3) passes above-mentioned slotted eye and is connected with the dress knife rest (12) that is located at inner chamber, and the navigation button both sides are provided with the positioning tooth (19) that is meshed with above-mentioned slotted eye positioning tooth (9), and it has hand with the dress knife rest and removes the flexible syndeton of engagement promotion blade; Blade (6) is positioned in the dress knife rest (12) and dress knife rest synchronization telescope, it is characterized in that described hull outside is provided with the blade loading and unloading switch (5) of changing blade, it can move along housing skewed slot (4), and by blade buckle axle (23) connection blade buckle (10), be connected and same moved further with dress knife rest (12) again, between blade buckle axle and housing internal chamber wall, be provided with reset tension spring (24).

2, the cutter of changeable blade according to claim 1 is characterized in that described housing is made up of left shell (8) and right shell (2) that mutual concave, convex coincide to connect, by the metal making, therein, afterwards shank is provided with the soft bound edge (1) of moulding.

3, the cutter of changeable blade according to claim 1 and 2, it is characterized in that the described navigation button (3) and the syndeton of dress knife rest (12) are that the navigation button below is eccentric leg (27), this off-centre leg is inserted in the hole of the dress upper and lower wall of knife rest (25), is provided with the positioning tooth (19) that makes navigation button and recovers the back-moving spring (26) of engagement with the positioning tooth (9) of window slotted eye on the eccentric leg between the upper and lower wall.

4, the cutter of changeable blade according to claim 1 and 2, the structure that it is characterized in that described dress knife rest (12) positioning blade are the omoplate guide rail (21) of upper and lower both sides and the corner block (20) at rear portion.

5, the cutter of changeable blade according to claim 3, the structure that it is characterized in that described dress knife rest (12) positioning blade are the omoplate guide rail (21) of upper and lower both sides and the corner block (20) at rear portion.

6, the cutter of changeable blade according to claim 1 and 2, it is characterized in that the described blade (6) and the synchronization telescope structure of dress knife rest (12) are the blade buckles (10) that can upwards lift that is provided with on the knife rest with its flexible connection adorning, two downward boss (11) are arranged on the blade buckle, two recessed circles (18) tabling on it and the blade (6) forms the blade buckle and is adorned the passing of knife rest and drive the flexible structure of blade.

7, the cutter of changeable blade according to claim 3, it is characterized in that the described blade (6) and the synchronization telescope structure of dress knife rest (12) are the blade buckles (10) that can upwards lift that is provided with on the knife rest with its flexible connection adorning, two downward boss (11) are arranged on the blade buckle, two recessed circles (18) tabling on it and the blade (6) forms the blade buckle and is adorned the passing of knife rest and drive the flexible structure of blade.

8, the cutter of changeable blade according to claim 7 is characterized in that described blade buckle (10) and being connected of dress knife rest (12) are the supporting legs (22) by blade buckle bottom, and this supporting leg activity is inserted in the hole of dress knife rest.

9, the cutter of changeable blade according to claim 1, the inboard that it is characterized in that described blade loading and unloading switches (5) is provided with the flange (28) that can remove blade buckle boss (11) and the recessed circle of blade (18) tabling, and this flange has the side (29) that is fastened on hull outside skewed slot (4) madial wall and lifts the blade buckle.

10, the cutter of changeable blade according to claim 2 is characterized in that described left shell (8), right shell (2) afterbody are provided with being of built-in blade (6) The bonnet of type (13), this bonnet is hinged with left and right shell internal chamber wall aperture with the little axle (14) of one head both sides, the other end hypotenuse is provided with the snap-on (16) that is interlockingly connected with left and right shell inner chamber baffle plate (15), and is provided with the limited shoulder (17) that pushes away in the spacing bonnet on left and right shell internal chamber wall.