CN203438250U

CN203438250U - Art knife

Info

Publication number: CN203438250U
Application number: CN201320449526.9U
Authority: CN
Inventors: 王爱国
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-07-25
Filing date: 2013-07-25
Publication date: 2014-02-19
Anticipated expiration: 2023-07-25

Abstract

The utility model discloses an art knife, which comprises a shell and is characterized in that a knife rest is arranged in a front half cavity in the shell in a sliding way; a rotatable standby knife rest for storing a standby blade is arranged in a back half cavity in the shell; the knife rest is provided with a push button tending to be ejected upwards; a push groove in which the push button can slide conveniently is formed at the front end of the upper edge of the shell; the inner wall of the push groove is provided with multiple groups of gear grooves for positioning the push button; the side part of the push button is provided with clamping pins which are positioned together with the gear grooves in a matching way; the push button is arranged in the push groove through the knife rest, is used for driving the knife rest to slide along the push groove, and is positioned together with the gear grooves in a matching way in cooperation with the clamping pins, so that the extension and retraction of the blade as well as gear positioning are realized; the standby knife rest is locked in a cavity through a switch; the back end of the upper edge of the shell is provided with a strip-shaped gap from which the standby knife rest is ejected. The art knife is simple in structure, is convenient to assemble, has a knife reserving function, and is convenient for replacing the blade rapidly; moreover, gear positioning can be performed according to the requirement of the extension/contraction length of the blade during use.

Description

A kind of cutter

Technical field

The utility model relates to a kind of technical field of cutter, specifically a kind of cutter with switch gear and standby cutter function.

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, for more allowing blade replacement is convenient, the a lot of cutters that occur on market have the function of standby cutter, the Chinese patent < < cutter > > that is 99243187.5 as the patent No. is comprised of the tool rest that band blade, mobile button, cutter lock are installed on housing, described housing connects into integral body by upper casing, lower casing and forms, and is also connected with standby cutter box in upper and lower shell.During use, promote mobile button, blade is stretched out outside housing, with cutter lock, pin tool rest and just can use.If change blade, press the hidden discount on standby cutter box, to release standby cutter box, take out blade, the screw of outwarding winding is opened upper casing, changes.This complicated structure, more during allowing blade replacement, the screw that also needs to outward winding just can carry out, and operates cumbersomely, and there is no shift function, can not position by the needs of blade collapsing length when using, and therefore structurally also needs further improvement.

Summary of the invention

Technical problem to be solved in the utility model is to provide a kind of cutter simple in structure, easy to assembly for the above-mentioned state of the art, not only there is standby cutter function, can be easily allowing blade replacement more, and can be when using blade collapsing length need to carry out gear location.

The utility model solves the problems of the technologies described above adopted technical scheme: a kind of cutter, comprise housing, in housing, be provided with slidably knife rest, the head of housing is provided with for the flexible opening of blade, it is characterized in that: described knife rest is located in the first half cavity in housing slidably, in latter half cavity in described housing, be provided with a rotating standby knife rest for the blade that stores for future use, knife rest is provided with a push button with the trend of popping up, the upper groove that pushes away of being convenient to push button slip that is provided with along front end of housing, push away on the inwall of groove, be provided with some groups can be for the gear grooves of push button location, the sidepiece of push button is provided with the card base that coordinates location with this gear groove, push button is located at and is pushed away in groove by knife rest, and be with movable knife rack to slide along pushing away groove, by card base, coordinate and position with gear groove simultaneously, thereby realize the flexible of blade and gear location, standby knife rest fixes in cavity by a switch lock, the upper bar v notch v ejecting along rear end incense knife rest of housing.

As improvement, described housing is to be involuted by upper cover and base, on the inwall of upper cover and base, form with knife rest on chute corresponding to lower limb, in base, be fixed with a guide rail, the lower end, the back side of described knife rest is provided with connecting portion, by trip bolt, passing guide rail is screwed in connecting portion, knife rest is slidably disposed on guide rail, the inboard, upper end of knife rest is provided with one for the fixing mount pad of push button, described push button can be limited in mount pad up and downly, and be supported with a support spring between the bottom of push button and mount pad, the trend that push button is had pop up all the time.

As improvement, described guide rail is one to have the iron sheet of bar hole, the two ends, left and right of guide rail are provided with through hole, described base is provided with corresponding joint pin, by screw, guide rail is fixed on base, and described knife rest is magnetic knife rest, the front of knife rest forms for placing the suction cutter groove of blade, the top of described blade is provided with at least one bayonet socket, the upper end of inhaling cutter groove be provided with one with the lock dog of the corresponding locking in blade bayonet socket position, blade is fixed on suction cutter groove by lock dog.

As improvement, the upper end of described suction cutter groove is provided with a groove of inserting for lock dog, between the bottom of groove and lock dog, be provided with lock dog spring, lock dog is outwards had all the time and the trend of insert retention, upper cover is provided with for opening the allowing blade replacement switch of lock dog corresponding to the position of lock dog.

As improvement, the upper front end of described upper cover has a mounting groove, described allowing blade replacement switch is placed in mounting groove by pin and offsets with described lock dog, between allowing blade replacement switch and mounting groove, be supported with a spring, while needing tool changing, press allowing blade replacement switch, lock dog overcomes the inwardly activity of elastic force of lock dog spring, separated with the bayonet socket of blade, realize tool changing.

Improve again, described standby knife rest is a plastic processing frame, and the upper surface of standby knife rest flushes with bar v notch v, and standby knife rest is provided with the standby cutter groove of inserting for spare blade, spare blade is arranged in standby cutter groove and clamps by an elastic card, and standby knife rest is installed in rotation in the cavity of housing by pivot pin.

Improve again, the upper end, middle part of described base is laterally provided with a draw-in groove, in draw-in groove, be provided with a switch slidably, the clamping that offsets of the upper end, front side of one end of described switch and standby knife rest, between the other end and draw-in groove inwall, be supported with a switch spring, make switch there is the trend of the upper end clamping of ejection all the time and standby knife rest, in base, be provided with the support portion that the bottom with standby knife rest offsets, between the rear side lower end of standby knife rest and the inwall of base, be supported with standby knife rest spring, after switch opens, standby knife rest outwards ejects housing under the standby effect of knife rest spring, and at the back side of standby knife rest, be provided with one for preventing that standby knife rest from skidding off the spacing block set of housing.

Further improve, the rear side lower end of described standby knife rest is provided with a projection, and described base is provided with the support column of a U-lag, and one end of described standby knife rest spring is nested with on projection, and the U-lag of the other end and support column offsets.

Further improve, described upper cover and base are metal material, and the middle part of upper cover is provided with a joint pin, and base is provided with corresponding counterbore, after upper cover and base are involutory, by a screw, be connected and fixed, and described base and upper cover form a hanging hole that can be used for hanging after involutory above afterbody.

Further improve, described gear groove is three～tetra-, is opened in respectively on the top inwall of base again, and the outside of upper cover is coated with double-colored upper cover encapsulate, and the outside of base is coated with double-colored base encapsulate.

Compared with prior art, the utility model has the advantage of: easy to use, only need press and promote forward push button can be with movable knife rack to slide forward, be pull-in on blade on knife rest also along with housing is stretched out in slip simultaneously, movable during to gear groove when push button, can position by the needs of blade collapsing length when using, while needing more allowing blade replacement, press allowing blade replacement switch, can be by under blade fast fetching; Standby knife rest is that telescopically is arranged in housing, as long as pull switch just can eject standby knife rest.The utility model simple and beautiful structure, easy to assembly, not only have standby cutter function, can quick-replaceable blade, and can be when using blade collapsing length need to carry out gear location.

Accompanying drawing explanation

Fig. 1 is the structural representation of the utility model embodiment;

Fig. 2 is the STRUCTURE DECOMPOSITION figure of Fig. 1;

Fig. 3 is the STRUCTURE DECOMPOSITION figure of another angle of Fig. 1.

The specific embodiment

Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.

As Fig. 1, 2, shown in 3, the cutter of the present embodiment, a kind of cutter, comprise housing, be located at the knife rest 4 in housing, blade 3, lock dog 9, the critical pieces such as switch 10 and standby knife rest 5, housing is that the upper cover 1 by aluminium die casting involutes with base 2, upper cover 1 can be for knife rest 4 and the cavity of inserting for knife rest 5 with the involutory rear formation of base 2, and form for the flexible opening 1.1 of blade 3 in housing head, knife rest 4 is located in the first half cavity in housing slidably, standby knife rest 5 is arranged in latter half cavity rotationally, knife rest 4 is provided with a push button 8 with the trend of popping up, housing upper along front end be provided be convenient to that push button 8 slides push away groove 2.7, on the inwall that pushes away groove 2.7, being provided with 4 groups can be for the gear groove 2.2 of push button 8 location, the sidepiece of push button 8 is provided with the card base 8.1 that coordinates location with this gear groove 2.2, push button 8 is located at and is pushed away in groove 2.7 by knife rest 4, and be with movable knife rack 4 to slide along pushing away groove 2.7, by card base 8.1, coordinate and position with gear groove 2.2 simultaneously, thereby realize the flexible of blade 4 and gear location,

On the inwall of base 2 and upper cover 1, form the chute corresponding with lower limb on knife rest 4, in base 2, be fixed with a guide rail 6, the lower end, the back side of knife rest 4 is provided with connecting portion, by trip bolt 41, through guide rail 6, be screwed in connecting portion, knife rest 4 is slidably disposed on guide rail 6, guide rail 6 is one to have the iron sheet of bar hole, the two ends, left and right of guide rail 6 are provided with through hole 61, base 2 is provided with corresponding joint pin 2.3, by screw, guide rail 6 is fixed on base 2, knife rest 4 is magnetic knife rest, the front of knife rest 4 forms for placing the suction cutter groove 4.1 of blade 3, the top of blade 3 is provided with at least one bayonet socket 3.1, the upper end of inhaling cutter groove 4.1 be provided with one with the lock dog 9 of the corresponding locking in blade bayonet socket position, blade 3 is fixed on and is inhaled on cutter groove 4.1 by lock dog 9, the upper end of inhaling cutter groove 4.1 is provided with a groove 4.2 of inserting for lock dog 9, between the bottom of groove and lock dog 9, be provided with lock dog spring, make lock dog 9 there is the trend that outside and blade 3 is locked all the time, upper cover 1 is provided with for opening the allowing blade replacement switch 7 of lock dog 9 corresponding to the position of lock dog 9, the upper front end of upper cover 1 has a mounting groove 1.2, allowing blade replacement switch 7 is placed in mounting groove 1.2 by pin and offsets with lock dog 9, between allowing blade replacement switch 7 and mounting groove 1.2, be supported with a spring 71, while needing tool changing, press allowing blade replacement switch 7, lock dog 9 overcomes the inwardly activity of elastic force of lock dog spring, separated with the bayonet socket of blade 3, just blade 3 can be taken out from the head opening of housing, the inboard, upper end of knife rest 4 is provided with one for the fixing mount pad 4.3 of push button 8, and push button 8 can be limited in mount pad 4.3 up and downly, and is supported with a support spring between the bottom of push button 8 and mount pad 4.3, makes push button 8 have the trend popping up all the time,

Standby knife rest 5 is the plastic processing frame of an inverted trapezoidal, the upper bar v notch v 2.8 ejecting along rear end incense knife rest 5 of housing, standby knife rest 5 is installed in rotation in the cavity of housing by pivot pin 5.1, standby knife rest 5 is locked in cavity by a switch 10, its upper surface flushes with bar v notch v 2.8, standby knife rest 5 is provided with the standby cutter groove 51 of inserting for spare blade, spare blade is arranged in standby cutter groove 51 by elastic card 52 clampings, the upper end, middle part of base 2 is laterally provided with a draw-in groove 2.4, switch 10 is slidably disposed in draw-in groove 2.4, one end of switch 10 is provided with a fastener 10.1, the upper end of standby knife rest 5 is provided with corresponding bayonet socket 53, one end of switch 10 locks clampings by fastener 10.1 and coordinating with standby knife rest 5 of bayonet socket 53, between the other end of switch 10 and draw-in groove 2.4 inwalls, be supported with a switch spring 12, make switch 10 there is the trend of the clamping of ejection all the time and standby knife rest 5, in base 2, be provided with the support portion 2.5 that the bottom with standby knife rest 5 offsets, the rear side lower end of standby knife rest 5 is provided with a projection 54, base 2 is provided with the support column 2.6 that a cross section is U-lag, between projection 54 and the U-lag of support column 2.6, be supported with standby knife rest spring 55, after switch 10 is opened, after the standby latch-release of knife rest 5, standby knife rest 5 outwards ejects under the standby effect of knife rest spring 55 from bar v notch v 2.8, can tool changing, and at the back side of standby knife rest 5, be provided with one for preventing that standby knife rest 5 from skidding off the spacing block set 56 of shell, the outer end of fastener 10.1 is that inclined-plane arranges, and accordingly, bayonet socket 53 lateral surfaces are also inclined-plane or cambered surface setting, is convenient to them and coordinates.The middle part of upper cover 1 is provided with a joint pin 1.1, and base 2 is provided with corresponding counterbore 2.1, be connected and fixed, and base 2 forms a hanging hole that can be used for hanging 1.3 after involutory with upper cover 1 above afterbody after upper cover 1 is involutory with base 2 by a screw 11; The outside of upper cover 2 is coated with double-colored upper cover encapsulate 13, and the outside of base 1 is coated with double-colored base encapsulate 14, and during not only appearance looks elegant, and use, feel as snug as a bug in a rug.

During work, only need press and promote forward push button 8 can be with movable knife rack 4 to front slide, be pull-in on blade 3 on knife rest 4 also along with to front slide and stretch out housing simultaneously, when gear groove 2.2 is arrived in push button 8 activities, can position by the needs of blade 3 collapsing lengths when using, while needing more allowing blade replacement 3, press and promote forward push button 8 to forefront, press again allowing blade replacement switch 7, lock dog 8 and the locking of blade 3 are opened, just blade 3 can be taken out, then pull switch 10, standby knife rest 5 ejects in housing, take out spare blade, realize rapid changing knife, after changing, only needing toward next, to press for knife rest 5 just can quick lock in.

Claims

1. a cutter, comprise housing, in housing, be provided with slidably knife rest, the head of housing is provided with for the flexible opening of blade, it is characterized in that: described knife rest is located in the first half cavity in housing slidably, in latter half cavity in described housing, be provided with a rotating standby knife rest for the blade that stores for future use, knife rest is provided with a push button with the trend of popping up, the upper groove that pushes away of being convenient to push button slip that is provided with along front end of housing, push away on the inwall of groove, be provided with some groups can be for the gear grooves of push button location, the sidepiece of push button is provided with the card base that coordinates location with this gear groove, push button is located at and is pushed away in groove by knife rest, and be with movable knife rack to slide along pushing away groove, by card base, coordinate and position with described gear groove simultaneously, thereby realize the flexible of blade and gear location, standby knife rest fixes in cavity by a switch lock, the upper bar v notch v ejecting along rear end incense knife rest of housing.

2. cutter according to claim 1, it is characterized in that: described housing is to be involuted by upper cover and base, on the inwall of upper cover and base, form with knife rest on chute corresponding to lower limb, in base, be fixed with a guide rail, the lower end, the back side of described knife rest is provided with connecting portion, by trip bolt, passing guide rail is screwed in connecting portion, knife rest is slidably disposed on guide rail, the inboard, upper end of knife rest is provided with one for the fixing mount pad of push button, described push button can be limited in mount pad up and downly, and be supported with a support spring between the bottom of push button and mount pad, the trend that push button is had pop up all the time.

3. cutter according to claim 2, it is characterized in that: described guide rail is one to have the iron sheet of bar hole, the two ends, left and right of guide rail are provided with through hole, described base is provided with corresponding joint pin, by screw, guide rail is fixed on base, described knife rest is magnetic knife rest, the front of knife rest forms for placing the suction cutter groove of blade, the top of described blade is provided with at least one bayonet socket, the upper end of inhaling cutter groove be provided with one with the lock dog of the corresponding locking in blade bayonet socket position, blade is fixed on suction cutter groove by lock dog.

4. cutter according to claim 3, it is characterized in that: the upper end of described suction cutter groove is provided with a groove of inserting for lock dog, between the bottom of groove and lock dog, be provided with lock dog spring, lock dog is outwards had all the time and the trend of insert retention, and upper cover is provided with for opening the allowing blade replacement switch of lock dog corresponding to the position of lock dog.

5. cutter according to claim 4, it is characterized in that: the upper front end of described upper cover has a mounting groove, described allowing blade replacement switch is placed in mounting groove by pin and offsets with lock dog, between allowing blade replacement switch and mounting groove, be supported with a spring, while needing tool changing, press allowing blade replacement switch, lock dog overcomes the inwardly activity of elastic force of lock dog spring, separated with the bayonet socket of blade, realize tool changing.

6. cutter according to claim 1, it is characterized in that: described standby knife rest is a plastic processing frame, the upper surface of standby knife rest flushes with bar v notch v, standby knife rest is provided with the standby cutter groove of inserting for spare blade, spare blade is arranged in standby cutter groove and clamps by an elastic card, and standby knife rest is installed in rotation in the cavity of housing by pivot pin.

7. cutter according to claim 2, it is characterized in that: the upper end, middle part of described base is laterally provided with a draw-in groove, in draw-in groove, be provided with a switch slidably, the clamping that offsets of the upper end, front side of one end of switch and standby knife rest, between the other end and draw-in groove inwall, be supported with a switch spring, make switch there is the trend of the upper end clamping of ejection all the time and standby knife rest, in base, be provided with and the described support portion offseting for the bottom of knife rest, between the rear side lower end of described standby knife rest and the inwall of base, be supported with standby knife rest spring, after switch opens, standby knife rest outwards ejects housing under the standby effect of knife rest spring, and at the back side of standby knife rest, be provided with one for preventing that standby knife rest from skidding off the spacing block set of housing.

8. cutter according to claim 7, it is characterized in that: the rear side lower end of described standby knife rest is provided with a projection, described base is provided with the support column of a U-lag, and one end of described standby knife rest spring is nested with on projection, and the U-lag of the other end and support column offsets.

9. according to the cutter described in the arbitrary claim of claim 2 to 8, it is characterized in that: described upper cover and base are metal material, the middle part of upper cover is provided with a joint pin, base is provided with corresponding counterbore, after upper cover and base are involutory, by a screw, be connected and fixed, and base and upper cover form a hanging hole that can be used for hanging after involutory above afterbody.

10. according to the cutter described in the arbitrary claim of claim 2 to 8, it is characterized in that: described gear groove is three～tetra-, be opened in respectively on the top inwall of base, the outside of upper cover is coated with double-colored upper cover encapsulate, and the outside of base is coated with double-colored base encapsulate.