CN110919703A - Art designing knife - Google Patents
Art designing knife Download PDFInfo
- Publication number
- CN110919703A CN110919703A CN201911266874.0A CN201911266874A CN110919703A CN 110919703 A CN110919703 A CN 110919703A CN 201911266874 A CN201911266874 A CN 201911266874A CN 110919703 A CN110919703 A CN 110919703A
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- China
- Prior art keywords
- elastic buckle
- sliding block
- knife
- block
- lower sliding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B5/00—Hand knives with one or more detachable blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B1/00—Hand knives with adjustable blade; Pocket knives
- B26B1/08—Hand knives with adjustable blade; Pocket knives with sliding blade
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Knives (AREA)
Abstract
The invention discloses an art knife which comprises a blade (1), a handle switch (2) and a knife shell (3), wherein a knife groove (4) for the blade (1) to be in sliding fit is formed in the knife shell (3); the knife shell (3) is provided with an opening (24) for the sliding fit of the handle switch (2); the blade (1) is connected with the handle switch (2), the knife shell (3) is provided with a plurality of grooves (5), and the grooves (5) are arranged in two rows and are basically parallel; a first elastic buckle (6) and a second elastic buckle (7) are respectively arranged on two sides of the handle switch (2), and the first elastic buckle (6) can be embedded into a row of grooves (5); the second elastic buckle (7) can be embedded into the groove (5) in the other row; the handle switch (2) is internally provided with a locking and unlocking structure which can enable the first elastic buckle (6) or the second elastic buckle (7) to be separated from the groove (5). The utility knife has the advantages of low cost, high working reliability and high safety.
Description
Technical Field
The invention relates to the technical field of cutters, in particular to an art knife.
Background
The art designing knife is also commonly called as a graver or a wallpaper knife, is a knife for art and handicraft, and is mainly used for cutting objects with soft texture.
The utility knife in the prior art comprises a blade, a handle switch and a knife shell made of plastic, wherein the knife slot is arranged in the knife shell, a metal knife sleeve is arranged in the knife slot, the blade is connected with the handle switch, the blade is in sliding fit in the metal knife sleeve, and the knife shell and the metal knife sleeve are provided with handle slots for the handle switch and sliding. The handle switch is provided with a metal elastic sheet controlled by the handle switch, and the metal elastic sheet is matched with a plurality of grooves on one side of the metal knife sleeve to lock the position of the blade. When the lock is locked, the metal elastic sheet enters a groove, and when the lock is unlocked, the metal elastic sheet is separated from the groove. When the knife is used, the handle switch is unlocked firstly, the handle switch is pushed forwards to drive the blade to slide out of the knife shell, and the handle switch is locked after the blade extends in place to be normally used. After the knife is used, the handle switch is unlocked again, the handle switch is pushed backwards to drive the blade to slide into the knife shell, and finally the handle switch is locked again. The prior art knife has the following defects in the actual use process: 1. the knife sleeve increases the cost of the existing art knife product; 2. if the metal knife sleeve is not used, the use mode shows that the locking structure of the handle switch adopts unilateral locking and is frequently used, so that the plastic knife shell is greatly abraded after long-time use, the metal elastic sheet is possibly separated from the groove during locking, and the reliability and the safety are reduced.
In view of the above, there is a need for a low cost and highly reliable art knife.
Disclosure of Invention
The invention aims to provide an art knife which is low in cost, high in working reliability and high in safety.
The technical scheme of the invention is that the utility knife comprises a blade, a handle switch and a knife shell, wherein a knife groove for the sliding fit of the blade is formed in the knife shell; the knife shell is provided with an opening for the sliding fit of the handle switch; the blade is connected with the handle switch, the knife shell is provided with a plurality of grooves, and the grooves are arranged in two rows and are basically parallel; a first elastic buckle and a second elastic buckle are respectively arranged on two sides of the handle switch, and the first elastic buckle can be embedded into a row of grooves; the second elastic buckle can be embedded into the groove of the other row; the handle switch is internally provided with a locking and unlocking structure which can enable the first elastic buckle or the second elastic buckle to be separated from the groove.
The length direction line of the first elastic buckle and the connecting line of the bottoms of the grooves in one row form an acute angle; the length direction line of the second elastic buckle and the connecting line of the bottoms of the grooves in the other row are arranged in an acute angle; the length direction line of the first elastic buckle is approximately parallel to the length direction line of the second elastic buckle.
Handle switch in be equipped with and to make first elasticity buckle or second elasticity buckle deviate from locking and the unblock structure of recess and mean: the handle switch comprises an upper sliding block and a lower sliding block, the lower sliding block is connected with the blade and is in sliding fit in the knife groove and the opening, and the upper sliding block is in sliding fit in the lower sliding block; the first elastic buckle and the second elastic buckle are arranged on the lower sliding block; the upper sliding block is provided with a push rod capable of pushing the first elastic buckle and the second elastic buckle respectively.
The surfaces of the two push rods, which are in contact with the first elastic buckle and the second elastic buckle are inclined planes.
The lower sliding block is provided with at least one upper sliding block, and the upper sliding block is provided with upper sliding chutes for the upper sliding block to slide; the upper sliding block is provided with at least one lower sliding block, and the lower sliding block is provided with lower sliding grooves for the lower sliding block to slide; the upper sliding block and the lower sliding block are detachably connected.
Go up the sliding block and go up the spout be two respectively, two go up the sliding block set up respectively in the upper end of first elasticity buckle and the upper end of second elasticity buckle, two go up the spout set up respectively on the lower surface with two last sliding block position relative.
The detachable connection means that: a first limiting block is arranged on one side of the lower sliding block, and a second limiting block matched with the first limiting block is arranged on one side of the lower sliding groove; the first limiting block and/or the second limiting block are elastic limiting blocks; the first limiting block is in sliding fit with the second limiting block.
The number of the first limiting blocks is two, the two first limiting blocks are respectively arranged on two sides of the lower sliding block, the number of the second limiting blocks is two, and the two second limiting blocks are respectively arranged on two sides of the lower sliding groove; and the two second limiting blocks are respectively in sliding fit with the two first limiting blocks.
The front end part of the first limiting block and/or the front end part of the second limiting block are provided with inclined planes which are convenient for the first limiting block and the second limiting block to be embedded into each other.
The two lower sliding blocks are respectively arranged at the lower ends of the two push rods, and the two lower sliding grooves are respectively arranged on the upper surfaces of the lower sliding blocks opposite to the two lower sliding blocks.
After adopting the structure, compared with the prior art, the invention has the following advantages:
1. the utility knife reduces the use of the knife sleeve, thereby reducing the cost of the prior art knife. 2. The utility knife adopts the cooperation of the two elastic buckles and the groove, so that the possibility that the buckles are separated from the groove when in locking is reduced, and the reliability and the safety are improved.
Drawings
Fig. 1 is a schematic structural view of the utility knife of the present invention.
Fig. 2 is a schematic view of the first orientation of the housing body.
Fig. 3 is a structural schematic view of a second orientation of the housing body.
Fig. 4 is an exploded view of the utility knife of the present invention.
FIG. 5 is an exploded view of the upper slider and lower slider in a first orientation.
FIG. 6 is an exploded view of the upper slider and lower slider in a second orientation.
Shown in the figure are 1, a blade, 2, a handle switch, 3, a knife shell, 4, a knife slot, 5, a groove, 6, a first elastic buckle, 7, a second elastic buckle, 8, an upper slide block, 9, a lower slide block, 10, a push rod, 11, an inclined plane, 12, an upper slide block, 13, an upper slide groove, 14, a lower slide block, 15, a lower slide groove, 16, a first limiting block, 17, a second limiting block, 18, an inclined plane, 19, a knife shell body, 20, a tail cover, 21, a connecting column, 22, an inlet, an outlet, 23, a hole, 24 and an opening.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
As shown in fig. 1 and 2, the utility knife of the present invention is generally made of plastic except for the blade 1; comprises a blade 1, a handle switch 2 and a knife shell 3, wherein in the embodiment, the knife shell 3 comprises a knife shell body 19 and a tail cover 20; the knife shell body 19 is internally provided with a knife groove 4, one end of the knife shell body 20 along the knife groove 4 is provided with an inlet 22 of the knife blade 1, and the other end of the knife shell body 19 along the knife groove 4 is connected with a tail cover 20, so that the knife blade 1 and the handle switch 2 are prevented from being separated from the knife shell 3.
A cutter groove 4 for the sliding fit of the blade 1 is arranged in the cutter shell 3; the knife shell 3 is provided with an opening 24 for the sliding fit of the handle switch 2; the blade 1 is connected with the handle switch 2, a hole 23 is formed in the tail end of the blade 1, a connecting column 21 is arranged at the front end of the handle switch, and the hole 23 is sleeved in the connecting column 21.
The cutter shell 3 is provided with a plurality of grooves 5, the plurality of grooves 5 are arranged in two rows in a substantially parallel manner and are respectively a first row of grooves and a second row of grooves, and the bottom connecting line of the first row of grooves is substantially parallel to the bottom connecting line of the second row of grooves; a first elastic buckle 6 and a second elastic buckle 7 are respectively arranged on two sides of the handle switch 2, the first elastic buckle 6 can be embedded into one row of grooves 5, namely the first elastic buckle 6 can be embedded into one groove 5 of the first row of grooves; the second elastic buckle 7 can be embedded into the groove 5 of the other row, namely the second elastic buckle 7 can be embedded into one groove 5 of the second row of grooves; the handle switch 2 is internally provided with a locking and unlocking structure which can enable the first elastic buckle 6 or the second elastic buckle 7 to be separated from the groove 5.
As shown in fig. 3, the length direction line of the first elastic buckle 6 and the bottom connecting line of the groove 5 in one row are arranged in an acute angle, which is α degrees shown in the figure, the length direction line of the second elastic buckle 7 and the bottom connecting line of the groove 5 in the other row are arranged in an acute angle, which is β degrees shown in the figure, the length direction line of the first elastic buckle 6 and the length direction line of the second elastic buckle 7 are approximately parallel, in the embodiment, the head of the first elastic buckle 6 and the tail of the second elastic buckle 7 are wide, the tail of the first elastic buckle 7 is narrow, the head of the first elastic buckle is a protrusion with a triangle-like structure, and the length direction of the first elastic buckle 6 or the second elastic buckle 7 and the bottom connecting line of the groove 5 can also be perpendicular, i.e. the two directions are 90 degrees.
As shown in fig. 4, 5 and 6, the locking and unlocking structure for enabling the first elastic buckle 6 or the second elastic buckle 7 to be disengaged from the groove 5 is arranged in the handle switch 2 and is characterized in that: the handle switch 2 comprises an upper slide block 8 and a lower slide block 9, the lower slide block 9 is connected with the blade 1 and is in sliding fit in the knife groove 4 and the opening 24, and the upper slide block 8 is in sliding fit in the lower slide block 9; the first elastic buckle 6 and the second elastic buckle 7 are arranged on the lower sliding block 9 and can also be arranged on the upper sliding block 8, and if the first elastic buckle and the second elastic buckle are arranged on the upper sliding block 8, the push rod is arranged on the lower sliding block 9; the upper slide block 8 is provided with a push rod 10 which can respectively push the first elastic buckle 6 and the second elastic buckle 7.
The surfaces of the two push rods 10, which are in contact with the first elastic buckle 6 and the second elastic buckle 7 are inclined surfaces 11, and the first elastic buckle 6 and the second elastic buckle 7 can be conveniently, smoothly and directionally led out of the groove 5 through the inclined surfaces 11.
The lower sliding block 9 is provided with at least one upper sliding block 12, and the upper sliding block 8 is provided with upper sliding grooves 13 for the upper sliding block 12 to slide; the upper sliding block 8 is provided with at least one lower sliding block 14, and the lower sliding block 9 is provided with lower sliding grooves 15 for the lower sliding block 14 to slide respectively; the upper sliding block 8 and the lower sliding block 9 are detachably connected.
Go up sliding block 12 and last spout 13 be two respectively, two go up sliding block 12 set up respectively in the upper end of first elasticity buckle 6 and the upper end of second elasticity buckle 7, two go up spout 13 set up respectively on the lower surface of the upper slide 8 relative with two last sliding block 12 positions.
The detachable connection means that: a first limiting block 16 is arranged on one side of the lower sliding block 14, and a second limiting block 17 matched with the first limiting block 16 is arranged on one side of the lower sliding groove 15; the first limiting block 16 and/or the second limiting block 17 are elastic limiting blocks; the first limiting block 16 is in sliding fit with the second limiting block 17.
The number of the first limiting blocks 16 is two, the two first limiting blocks 16 are respectively arranged on two sides of the lower sliding block 14, the number of the second limiting blocks 17 is two, and the two second limiting blocks 17 are respectively arranged on two sides of the lower sliding groove 15; the two second limiting blocks 17 are respectively in sliding fit with the two first limiting blocks 16.
The front end part of the first limiting block 16 and/or the front end part of the second limiting block 17 are provided with inclined surfaces 18 which facilitate the mutual embedding of the first limiting block 16 and the second limiting block 17.
The number of the lower sliding blocks 14 and the number of the lower sliding grooves 15 are two, the two lower sliding blocks 14 are arranged at the lower ends of the two push rods 10 respectively, and the two lower sliding grooves 15 are arranged on the upper surfaces of the lower sliding blocks 9 opposite to the positions of the two lower sliding blocks 14 respectively.
The working principle of the invention is as follows: when the blade needs to be withdrawn, the knife shell body 19 is held by a hand and the upper sliding block 8 is pushed forwards, at the moment, the first elastic buckle 6 is naturally separated from the groove 5 due to the pushing force, the second elastic buckle 7 cannot be naturally separated from the groove 5, and the push rod 10 positioned behind the upper sliding block 8 is forcibly pushed out to slide forwards. When the sliding is stopped, the first elastic buckle 6 can prevent the blade 1 from sliding in, and the second elastic buckle 7 can prevent the blade 1 from sliding out, so that the locking is realized. After the use, the knife shell body 19 is held by a hand and the upper sliding block 8 is pushed backwards, at the moment, the second elastic buckle 7 is naturally separated from the groove 5 due to the pushing force, the first elastic buckle 6 cannot be naturally separated from the groove 5, and the push rod 10 in front of the upper sliding block 8 is forcibly pushed out to slide backwards.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. But all changes which come within the scope of the invention are intended to be embraced therein.
Claims (10)
1. An art knife comprises a blade (1), a handle switch (2) and a knife shell (3), wherein a knife groove (4) for the blade (1) to be in sliding fit is formed in the knife shell (3); the knife shell (3) is provided with an opening (24) for the sliding fit of the handle switch (2); blade (1) with handle switch (2) are connected, its characterized in that: the knife shell (3) is provided with a plurality of grooves (5), and the grooves (5) are arranged in two rows and are basically parallel; a first elastic buckle (6) and a second elastic buckle (7) are respectively arranged on two sides of the handle switch (2), and the first elastic buckle (6) can be embedded into a row of grooves (5); the second elastic buckle (7) can be embedded into the groove (5) in the other row; the handle switch (2) is internally provided with a locking and unlocking structure which can enable the first elastic buckle (6) or the second elastic buckle (7) to be separated from the groove (5).
2. The utility knife of claim 1, wherein: the length direction line of the first elastic buckle (6) and the bottom connecting line of the row of grooves (5) are arranged in an acute angle; the length direction line of the second elastic buckle (7) and the bottom connecting line of the other row of grooves (5) are arranged in an acute angle; the length direction line of the first elastic buckle (6) is approximately parallel to the length direction line of the second elastic buckle (7).
3. The utility knife of claim 1, wherein: handle switch (2) in be equipped with and to make first elasticity buckle (6) or second elasticity buckle (7) deviate from locking and unblock structure of recess (5) and refer to: the handle switch (2) comprises an upper sliding block (8) and a lower sliding block (9), the lower sliding block (9) is connected with the blade (1) and is in sliding fit in the cutter groove (4) and the opening (24), and the upper sliding block (8) is in sliding fit in the lower sliding block (9); the first elastic buckle (6) and the second elastic buckle (7) are arranged on the lower sliding block (9); and a push rod (10) capable of respectively pushing the first elastic buckle (6) and the second elastic buckle (7) is arranged on the upper sliding block (8).
4. The utility knife of claim 3, wherein: the surfaces of the two push rods (10) which are contacted with the first elastic buckle (6) and the second elastic buckle (7) are inclined surfaces (11).
5. The utility knife of claim 3, wherein: the lower sliding block (9) is provided with at least one upper sliding block (12), and the upper sliding block (8) is provided with upper sliding chutes (13) for the upper sliding block (12) to slide; the upper sliding block (8) is provided with at least one lower sliding block (14), and the lower sliding block (9) is provided with lower sliding chutes (15) for the lower sliding blocks (14) to slide respectively; the upper sliding block (8) and the lower sliding block (9) are detachably connected.
6. The utility knife of claim 5, wherein: go up sliding block (12) and last spout (13) be two respectively, two go up sliding block (12) set up respectively in the upper end of first elasticity buckle (6) and the upper end of second elasticity buckle (7), two go up spout (13) set up respectively on the lower surface with two last sliding block (12) relative upper slide (8) in position.
7. The utility knife of claim 5, wherein: the detachable connection means that: a first limiting block (16) is arranged on one side of the lower sliding block (14), and a second limiting block (17) matched with the first limiting block (16) is arranged on one side of the lower sliding groove (15); the first limiting block (16) and/or the second limiting block (17) are elastic limiting blocks; the first limiting block (16) is in sliding fit with the second limiting block (17).
8. The utility knife of claim 7, wherein: the number of the first limiting blocks (16) is two, the two first limiting blocks (16) are respectively arranged on two sides of the lower sliding block (14), the number of the second limiting blocks (17) is two, and the two second limiting blocks (17) are respectively arranged on two sides of the lower sliding groove (15); the two second limiting blocks (17) are respectively in sliding fit with the two first limiting blocks (16).
9. The utility knife of claim 7, wherein: the front end part of the first limiting block (16) and/or the front end part of the second limiting block (17) are provided with inclined planes (18) which are convenient for the first limiting block (16) and the second limiting block (17) to be embedded into each other.
10. The utility knife of claim 7, wherein: the lower sliding blocks (14) and the lower sliding grooves (15) are two respectively, the two lower sliding blocks (14) are arranged at the lower ends of the two push rods (10) respectively, and the two lower sliding grooves (15) are arranged on the upper surfaces of the lower sliding blocks (9) opposite to the two lower sliding blocks (14) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911266874.0A CN110919703A (en) | 2019-12-11 | 2019-12-11 | Art designing knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911266874.0A CN110919703A (en) | 2019-12-11 | 2019-12-11 | Art designing knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110919703A true CN110919703A (en) | 2020-03-27 |
Family
ID=69860005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911266874.0A Pending CN110919703A (en) | 2019-12-11 | 2019-12-11 | Art designing knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110919703A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113143451A (en) * | 2021-04-22 | 2021-07-23 | 刘亚红 | High-frequency operation electrode tool bit |
| WO2021197443A1 (en) * | 2020-04-01 | 2021-10-07 | 杭州联和电气制造有限公司 | Knife |
| CN115122394A (en) * | 2021-03-24 | 2022-09-30 | 南通华兴办公设备科技有限公司 | Two-in-one cutting knife |
-
2019
- 2019-12-11 CN CN201911266874.0A patent/CN110919703A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021197443A1 (en) * | 2020-04-01 | 2021-10-07 | 杭州联和电气制造有限公司 | Knife |
| CN115122394A (en) * | 2021-03-24 | 2022-09-30 | 南通华兴办公设备科技有限公司 | Two-in-one cutting knife |
| CN113143451A (en) * | 2021-04-22 | 2021-07-23 | 刘亚红 | High-frequency operation electrode tool bit |
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