CN203438249U - Art knife - Google Patents
Art knife Download PDFInfo
- Publication number
- CN203438249U CN203438249U CN201320447938.9U CN201320447938U CN203438249U CN 203438249 U CN203438249 U CN 203438249U CN 201320447938 U CN201320447938 U CN 201320447938U CN 203438249 U CN203438249 U CN 203438249U
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- CN
- China
- Prior art keywords
- knife rest
- blade
- standby
- shell
- lock dog
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- Expired - Lifetime
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Abstract
The utility model discloses an art knife, which comprises a shell, wherein a knife rest is arranged in the shell. The art knife is characterized in that the knife rest is strip-shaped; the knife rest is provided with a sliding groove in which the cutting edge end of the blade can be placed; a locking block which is locked together with the blade back end of the blade in a matching way is arranged in the cavity of the shell; the blade is fixed together with the knife rest through the locking block; the head of the shell is provided with an opening through which the head of the blade can extend out and the knife rest can extend and contract; when the knife rest extends out of the shell, a protection surface for the blade is formed; the back part of the cavity is provided with a rotatable standby knife rest; the standby knife rest is locked in the cavity through a switch; the upper edge of the shell is provided with a strip-shaped gap through which the standby knife rest can be ejected out; the blade is fixed, and the knife rest can extend out after use to protect the blade; the blade can be taken down rapidly and replaced by pressing a blade replacing switch; the standby knife rest can be arranged in the shell in an extension and contraction way; the standby knife rest can be ejected out by pushing the switch. The art knife has the advantages of simple structure, convenience in assembly, function of rapidly replacing the blade and protection of the extended blade.
Description
Technical field
The utility model relates to a kind of technical field of cutter, specifically a kind of use safety and tool changing cutter easily.
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, as the patent No. Chinese patent < < cutter > > that is CN201220510619.3, comprise shell, in shell, be provided with slidably knife rest, the head of shell is provided with for the flexible opening of blade, it is characterized in that: described knife rest is provided with for locking the lock dog of blade, housing is provided with corresponding to opening the allowing blade replacement switch of lock dog, the position that is fully retracted the blade under state corresponding to knife rest on described housing offers one for cutter groove, standby cutter groove is provided with corresponding with bayonet socket on spare blade for the fixing fixed block of spare blade, the outside of standby cutter groove is provided with standby cutter lid, the inwall of standby cutter lid is provided with the spring leaf offseting with spare blade, spare blade is inwardly had all the time and knife rest offsets and realizes the trend of running fire.This structure not only has rapid changing knife function, can also realize running fire, but complicated structure, manufacture and assembling all cumbersome, and blade stretches in housing outside and do not protect equipment, easily causes accidental injury.
Summary of the invention
Technical problem to be solved in the utility model be for the above-mentioned state of the art, provide a kind of simple in structure, easy to assembly, use safe cutter, and can protect the blade stretching out.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of cutter, comprise shell, in shell, be provided with slidably knife rest, the head of shell is provided with the opening stretching out for blade, it is characterized in that: knife rest is provided with the chute of inserting for the blade end of blade, in the cavity of described shell, be provided with the lock dog that coordinates locking with the knife back end of blade, described blade is fixed by lock dog and knife rest, the head that the head of described shell is provided with confession blade stretches out and the flexible opening of confession knife rest, when stretching out shell, knife rest forms the protective surface of blade, at the rear portion of the cavity of described shell, be provided with a rotating standby knife rest, described standby knife rest fixes in cavity by a switch lock, the upper edge of housing is provided with the bar v notch v that incense knife rest ejects.
As improvement, described shell is to be involuted by upper cover and base, and the involutory rear formation of described upper cover and base can be for knife rest and the cavity of inserting for knife rest, and described base is provided with the guide rail sliding for knife rest and turns round for pushing away of knife rest the bar hole stretching out.
As improvement, the upper front end of described base is provided with for the locating slot of described lock dog location and the insert groove of inserting for blade, the knife back end of described blade is provided with at least one bayonet socket, described lock dog is provided with the projection corresponding with bayonet socket, and between locating slot and lock dog, be provided with lock dog spring, lock dog is outwards had all the time and the trend of insert retention, described insert groove is interior, the below of locating slot is provided with a groove, in groove, be equipped with for adsorbing the magnet of blade, described 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 described allowing blade replacement switch and described 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, the projection in its outside is separated with the bayonet socket of blade, realizes tool changing.
Improve, described standby knife rest is plastic processing frame again, and described standby knife rest is provided with the standby cutter groove of inserting for spare blade, and described 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 shell 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 described 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, described standby knife rest outwards ejects shell 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 shell.
Further improve, the rear side lower end of described standby knife rest is provided with a projection, and described base is provided with a U-lag, and one end of described standby knife rest spring is nested with on projection, and the other end and U-lag offset.
Further improve again, described upper cover and base are metal material, the middle part of described upper cover is provided with a joint pin, described base is provided with corresponding counterbore, after described 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.
Finally, described knife rest adopts bar shaped.
Compared with prior art, the utility model has the advantage of: blade is fixed, use knife rest is retracted and just can be used, after using, knife rest is stretched out to the effect that just can play protection blade, while needing more allowing blade replacement, can be by under blade fast fetching as long as press allowing blade replacement switch; Standby knife rest is to be installed in rotation in shell, as long as pull switch just can eject standby knife rest.The utility model is simple in structure, easy to assembly, not only has rapid changing knife function, and can protect the blade stretching out.
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 shown in Figure 1, 2, 3, the cutter of the present embodiment, comprise shell, be located at the critical pieces such as knife rest 4, blade 3, lock dog 5, switch 9 and standby knife rest 8 in shell, shell is that the upper cover 1 by aluminium die casting involutes with base 2, the cavity that upper cover 1 and the involutory rear formation of base 2 can supply knife rest 4 and standby knife rest 8 to insert, and form for blade 3 and stretch out and supply the flexible opening 1.1 of knife rest 4 in case head, on the upper edge of shell, form the bar v notch v 1.2 that incense knife rest 8 ejects;
Knife rest 4 is bar shaped, knife rest 4 is provided with the chute 41 of inserting for the blade end of blade 3, base 2 is provided with the guide rail 24 sliding for knife rest 4 and turns round 42 bar holes that stretch out 2.1 for pushing away of knife rest 4, the upper front end of base 1 is provided with for the locating slot 21 of lock dog 5 location and the insert groove 22 of inserting for blade 3, the knife back end of blade 3 is provided with at least one bayonet socket 3.1, lock dog 5 is provided with the projection corresponding with bayonet socket 5.1, and be provided with lock dog spring 51 between locating slot 21 and lock dog 5, make lock dog 5 there is the trend that outside and blade 3 is locked all the time, in insert groove 22, the below of locating slot 21 is provided with a groove 23, in groove 23, be equipped with for adsorbing the magnet 7 of blade 3, blade 3 is just adsorbed in insert groove 22 by magnet 7 like this, by lock dog 5 and the chute 41 of knife rest 4, position, knife rest 4 is slidably disposed on guide rail 24, when stretching out shell, knife rest 4 forms the protective surface of blade 3, the upper front end of upper cover 1 has a mounting groove 11 corresponding to the position of lock dog 5, one allowing blade replacement switch 6 is placed in mounting groove 11 by pin and offsets with lock dog 5, between allowing blade replacement switch 6 and 11 mounting grooves, be supported with a spring 61, make allowing blade replacement switch 6 there is all the time the outwards trend separated with lock dog 5, while needing tool changing, press allowing blade replacement switch 6, lock dog 5 overcomes the inwardly activity of elastic force of lock dog spring 51, the projection in its outside is separated with the bayonet socket of blade 3, realizes tool changing,
At the rear portion of cavity, be provided with a rotating standby knife rest 8, standby knife rest 8 is installed in rotation in the cavity of shell by pivot pin 8.1, standby knife rest 8 is the plastic processing frame of an inverted trapezoidal, standby knife rest 8 is provided with the standby cutter groove 81 of inserting for spare blade, spare blade is arranged in standby cutter groove 81 by elastic card 82 clampings, the upper end, middle part of base 2 is laterally provided with a draw-in groove 25, in draw-in groove 25, be provided with a switch 9 slidably, one end of switch 9 is provided with a fastener 92, the upper end of standby knife rest 8 is provided with corresponding bayonet socket 83, one end of switch 9 locks clampings by fastener 92 and coordinating with standby knife rest 8 of bayonet socket 83, between the other end of switch 9 and draw-in groove 25 inwalls, be supported with a switch spring 91, make switch 9 there is the trend of the clamping of ejection all the time and standby knife rest 8, in base 2, be provided with the support portion 26 that the bottom with standby knife rest 8 offsets, the rear side lower end of standby knife rest 8 is provided with a projection 85, it is U-lag 27 that base 2 is provided with a cross section, at projection 85 and U-lag 27, be supported with standby knife rest spring 84, after switch 9 is opened, after the standby latch-release of knife rest 8, standby knife rest 8 outwards ejects under the standby effect of knife rest spring 84 from bar v notch v 1.2, can tool changing, and at the back side of standby knife rest 8, be provided with one for preventing that standby knife rest 8 from skidding off the spacing block set 86 of shell.
The middle part of upper cover 1 is provided with a joint pin 12, and base 2 is provided with corresponding counterbore 28, be connected and fixed, and base 2 forms a hanging hole that can be used for hanging 101 after involutory with upper cover 1 above afterbody after upper cover 1 is involutory with base 2 by a screw 10.
During work, only need press allowing blade replacement switch 6, make allowing blade replacement switch 6 and lock dog 5 offset, lock dog 5 overcomes the inwardly activity of elastic force of lock dog spring 51 under the effect of allowing blade replacement switch 6, contact with the locking of blade 3, blade 3 can be taken off, pull switch 9, projection 92 on switch 9 departs from from the standby buckle 83 of knife rest 8, the latch-release of standby knife rest 8, standby knife rest 8 is outwards hit by a bullet out from bar v notch v under the standby effect of knife rest spring 84, realize tool changing, in addition, after using, promote pushing away of knife rest 4 forward and turn round 42, knife rest 4 outwards slides and stretches out the protective surface that shell forms blade 3.
Claims (9)
1. a cutter, comprise shell, in shell, be provided with slidably knife rest, the head of shell is provided with the opening stretching out for blade, it is characterized in that: knife rest is provided with the chute of inserting for the blade end of blade, in the cavity of described shell, be provided with the lock dog that coordinates locking with the knife back end of blade, described blade is fixed by lock dog and knife rest, the head that the head of described shell is provided with confession blade stretches out and the flexible opening of confession knife rest, when stretching out shell, knife rest forms the protective surface of blade, at the rear portion of the cavity of described shell, be provided with a rotating standby knife rest, described standby knife rest fixes in cavity by a switch lock, the upper edge of housing is provided with the bar v notch v that incense knife rest ejects.
2. cutter according to claim 1, it is characterized in that: described shell is to be involuted by upper cover and base, the involutory rear formation of described upper cover and base can be for knife rest and the cavity of inserting for knife rest, and described base is provided with the guide rail sliding for knife rest and turns round for pushing away of knife rest the bar hole stretching out.
3. cutter according to claim 2, it is characterized in that: the upper front end of described base is provided with for the locating slot of described lock dog location and the insert groove of inserting for blade, the knife back end of described blade is provided with at least one bayonet socket, described lock dog is provided with the projection corresponding with bayonet socket, and between locating slot and lock dog, be provided with lock dog spring, lock dog is outwards had all the time and the trend of insert retention, in described insert groove, the below of locating slot is provided with a groove, in groove, be equipped with for adsorbing the magnet of blade, described upper cover is provided with for opening the allowing blade replacement switch of lock dog corresponding to the position of lock dog.
4. cutter according to claim 3, 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 described lock dog, between described allowing blade replacement switch and described 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, the projection in its outside is separated with the bayonet socket of blade, realizes tool changing.
5. cutter according to claim 1, it is characterized in that: described standby knife rest is plastic processing frame, described standby knife rest is provided with the standby cutter groove of inserting for spare blade, described 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 shell by pivot pin.
6. cutter according to claim 5, 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 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 described 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, described standby knife rest outwards ejects shell 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 shell.
7. cutter according to claim 6, is characterized in that: the rear side lower end of described standby knife rest is provided with a projection, and described base is provided with a U-lag, and one end of described standby knife rest spring is nested with on projection, and the other end and U-lag offset.
8. according to the cutter described in the arbitrary claim of claim 1 to 7, it is characterized in that: described upper cover and base are metal material, the middle part of described upper cover is provided with a joint pin, described base is provided with corresponding counterbore, after described 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.
9. according to the cutter described in the arbitrary claim of claim 1 to 7, it is characterized in that: described knife rest is bar shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320447938.9U CN203438249U (en) | 2013-07-25 | 2013-07-25 | Art knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320447938.9U CN203438249U (en) | 2013-07-25 | 2013-07-25 | Art knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203438249U true CN203438249U (en) | 2014-02-19 |
Family
ID=50089323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320447938.9U Expired - Lifetime CN203438249U (en) | 2013-07-25 | 2013-07-25 | Art knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203438249U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105171781A (en) * | 2015-09-23 | 2015-12-23 | 浙江兴达文具有限公司 | Art knife |
| TWI625208B (en) * | 2017-01-10 | 2018-06-01 | Tool with telescopic protection | |
| CN109202973A (en) * | 2018-09-30 | 2019-01-15 | 安徽江淮汽车集团股份有限公司 | A kind of cutting cutter |
| CN109333589A (en) * | 2018-09-10 | 2019-02-15 | 宁波宏迪尺业有限公司 | A kind of cutter with spare blade |
| CN113001594A (en) * | 2020-12-07 | 2021-06-22 | 明欣国际有限公司 | Practical knife |
| CN113103283A (en) * | 2021-01-25 | 2021-07-13 | 明欣国际有限公司 | Practical knife |
| TWI755185B (en) * | 2020-12-04 | 2022-02-11 | 明欣國際有限公司 | Utility knife |
| TWI787714B (en) * | 2021-01-21 | 2022-12-21 | 明欣國際有限公司 | Utility knife |
-
2013
- 2013-07-25 CN CN201320447938.9U patent/CN203438249U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105171781A (en) * | 2015-09-23 | 2015-12-23 | 浙江兴达文具有限公司 | Art knife |
| TWI625208B (en) * | 2017-01-10 | 2018-06-01 | Tool with telescopic protection | |
| CN109333589A (en) * | 2018-09-10 | 2019-02-15 | 宁波宏迪尺业有限公司 | A kind of cutter with spare blade |
| CN109202973A (en) * | 2018-09-30 | 2019-01-15 | 安徽江淮汽车集团股份有限公司 | A kind of cutting cutter |
| TWI755185B (en) * | 2020-12-04 | 2022-02-11 | 明欣國際有限公司 | Utility knife |
| CN113001594A (en) * | 2020-12-07 | 2021-06-22 | 明欣国际有限公司 | Practical knife |
| CN113001594B (en) * | 2020-12-07 | 2023-01-24 | 明欣国际有限公司 | Practical knife |
| TWI787714B (en) * | 2021-01-21 | 2022-12-21 | 明欣國際有限公司 | Utility knife |
| CN113103283A (en) * | 2021-01-25 | 2021-07-13 | 明欣国际有限公司 | Practical knife |
| CN113103283B (en) * | 2021-01-25 | 2023-01-10 | 明欣国际有限公司 | Practical knife |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140219 |
|
| CX01 | Expiry of patent term |