CN110053077B - Cutter head rotary art designing knife - Google Patents
Cutter head rotary art designing knife Download PDFInfo
- Publication number
- CN110053077B CN110053077B CN201910441276.6A CN201910441276A CN110053077B CN 110053077 B CN110053077 B CN 110053077B CN 201910441276 A CN201910441276 A CN 201910441276A CN 110053077 B CN110053077 B CN 110053077B
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- blade
- knife
- cutter head
- handle
- groove
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- 230000000903 blocking effect Effects 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 239000003973 paint Substances 0.000 description 5
- 239000011521 glass Substances 0.000 description 4
- 239000002023 wood Substances 0.000 description 2
- 238000005034 decoration Methods 0.000 description 1
Classifications
-
- 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
- B26B1/02—Hand knives with adjustable blade; Pocket knives with pivoted blade
- B26B1/04—Hand knives with adjustable blade; Pocket knives with pivoted blade lockable in adjusted position
- B26B1/042—Hand knives with adjustable blade; Pocket knives with pivoted blade lockable in adjusted position by a spring biased locking lever pivoting around an axis parallel to the pivot axis of the 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 a cutter head rotary art designing knife which comprises a knife handle, a cutter head, a blade and a clamping device, wherein the cutter head is rotationally connected with the knife handle, the blade is rotationally connected with the cutter head, the clamping device is arranged on the cutter head and is used for clamping the blade, and when the blade rotates around the cutter head, all the blade edges of the blade are used for extending out of the cutter head. Firstly, the multifunctional knife has the functions of a traditional art designing knife, namely a knife handle and a knife head, wherein the knife head is provided with a knife blade, and the knife blade can be used for cutting objects, secondly, the multifunctional knife also has the function of a shovel blade, when the multifunctional knife is required to be converted into the shovel blade, only the knife blade needs to be rotated, so that all the knife edges of the knife blade extend out of the knife head, and the knife blade is clamped by a clamping device to finish conversion.
Description
Technical Field
The invention belongs to the technical field of cutters, and particularly relates to a cutter head rotary art designing cutter.
Background
The art designer knife is also commonly called a nicking knife or a wallpaper knife, is a knife for art and handicraft articles, is mainly used for cutting soft objects and mainly comprises a knife handle and a knife blade.
Conventional art knives have only one function, namely the function of cutting objects as described above, and during use of the art knives, it is often found that: carpenters have some objects such as paint attached to the surface of glass or wood board during decoration, often have trouble handling the paint, sometimes scratch the surface of glass or wood board when paint is removed by a utility knife, and are inconvenient to use.
Disclosure of Invention
In order to solve the above problems in the prior art, the present invention is directed to a rotary cutter with a rotary cutter head.
According to one aspect of the present invention, there is provided a rotary cutter for a cutter head, comprising a handle, a cutter head, a blade and a snap means, the cutter head and the handle being rotatably connected, the blade being rotatably connected to the cutter head, the snap means being provided on the cutter head, the snap means being adapted to snap the blade, all of the blade edges of the blade being adapted to extend beyond the cutter head when the blade is rotated about the cutter head.
Firstly, the multifunctional knife has the functions of a traditional art designing knife, namely a knife handle and a knife head, wherein the knife head is provided with a knife blade, and the knife blade can be used for cutting objects, secondly, the multifunctional knife also has the function of a shovel blade, when the multifunctional knife is required to be converted into the shovel blade, only the knife blade needs to be rotated, so that all the knife edges of the knife blade extend out of the knife head, and the knife blade is clamped by a clamping device to finish conversion.
In some embodiments, the fastening device includes a first elastic member and a fastening member, one end of the first elastic member is disposed on the cutter head, and the other end is disposed on the fastening member, when the fastening member compresses the first elastic member, the fastening member leaves the blade, and when the first elastic member is restored, the fastening member catches the blade. Therefore, when the blade needs to be rotated, the first elastic piece is compressed through the clamping piece, the clamping piece can leave the blade, and after the blade is rotated to a required position, the clamping piece is released, and the clamping piece can clamp the blade.
In some embodiments, the cutter further comprises a cutter shell, the blade is arranged in the cutter shell and is rotationally connected with the cutter head through the cutter shell, the cutter shell is provided with a first groove and a second groove, the clamping piece is used for being clamped in the first groove or the second groove, and the clamping piece is used for clamping the blade through the cutter shell. Therefore, the clamping piece can be clamped in the first groove or the second groove, so that the cutter shell can be clamped, and the cutter blade is arranged on the cutter shell, so that the cutter blade is also clamped by the clamping piece.
In some embodiments, the fastener is provided with a first protrusion and a second protrusion, the first protrusion is configured to be clamped in the first groove, and the second protrusion is configured to be clamped in the second groove after the cutter housing rotates. Thereby, the blade shell can be caught by the first projection or the second projection.
In some embodiments, when the first protrusion is engaged in the first recess, the lengthwise direction of the blade is parallel to the lengthwise direction of the cutter head, and when the blade is rotated 90 °, the second protrusion is engaged in the second recess. Thus, in the art designer's knife form, turning the blade 90 ° can become a blade.
In some embodiments, the handle and the tool bit are rotatably coupled to each other by a first shaft and the housing and the tool bit are rotatably coupled to each other by a second shaft.
In some embodiments, the tool further comprises a button and a second elastic piece, one end of the second elastic piece is arranged on the tool handle, the other end of the second elastic piece is arranged on the button, a clamping rod is arranged on the button, the button penetrates through the tool handle, when the button is pressed down, the clamping rod leaves the tool bit, the tool bit is used for rotating around the tool handle, when the button is loosened, the clamping rod clamps the tool bit, and the tool bit cannot rotate around the tool handle. Therefore, the cutter head can be clamped or loosened by arranging the button and the second elastic piece, and when the cutter head is clamped, the cutter head cannot rotate around the cutter handle by itself, so that the use of the cutter blade of the invention cannot be affected.
In some embodiments, the tool shank is provided with anti-skid patterns, the tool shank comprises two tool shank shells, and a space for accommodating the tool bit is formed between the two tool shank shells. Thus, the anti-skid patterns can play a role of skid resistance.
Drawings
FIG. 1 is a schematic view of a rotary cutter head according to an embodiment of the present invention;
FIG. 2 is a schematic view of another form of rotary art designing knife with a cutting head as shown in FIG. 1;
FIG. 3 is a schematic view of a hidden portion of the cutter head of the rotary art designing cutter shown in FIG. 2;
FIG. 4 is a schematic view of a portion of the handle and a portion of the bit of the rotary art designing knife of FIG. 1;
FIG. 5 is a schematic view of a portion of the handle and a portion of the bit of the rotary art designing knife of FIG. 1;
FIG. 6 is a schematic view of another form of the rotary art knife of FIG. 1 with portions of the handle and portions of the blade hidden;
FIG. 7 is a schematic view of another form of the rotary art knife of FIG. 1 with portions of the handle and portions of the blade hidden;
FIG. 8 is a schematic view of the connection structure of the second elastic member, the button and the cutter head shown in FIG. 1.
In the figure: 1-a knife handle; 11-a handle housing; 111-anti-skid lines; 2-a cutter head; 21-a first spindle; 3-blades; 31-a second rotating shaft; 4-a snap-fit device; 41-a clip; 411-first protrusions; 412-a second bump; 413-posts; 42-a first elastic member; 5-a cutter shell; 51-a first groove; 52-a second groove; 53-a third groove; 6-button; 61-clamping rods; 611 steps; 7-a second elastic member.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Fig. 1 to 8 schematically show the structure of a rotary cutter according to an embodiment of the present invention.
As shown in fig. 1 to 8, a cutter head rotary art designing cutter comprises a cutter handle 1, a cutter head 2, a blade 3 and a clamping device 4. In addition, the rotary art designing knife further comprises a knife shell 5, a button 6 and a second elastic piece 7.
The following steps are provided: art designing knife: the utility knife is the same as the traditional utility knife, namely when in use, the straight line of the blade edge of the blade 3 (namely the length direction of the blade 3) is basically parallel to the straight line of the length direction of the knife handle 1 (the length direction refers to the vertical direction as shown in fig. 1) (basically parallel refers to the included angle between the two is +/-10 °), and the utility knife is characterized in that: when in use, the included angle between the straight line of the blade edge of the blade 3 and the length direction (the length direction refers to the vertical direction as shown in fig. 1) of the knife handle 1 is more than 30 degrees or less than-30 degrees, and the included angle is optimally +/-90 degrees.
As shown in fig. 1, in this embodiment, the tool bit 2 and the tool shank 1 are rotationally connected, the tool bit 2 and the tool shank 1 can rotate freely, the blade 3 is rotationally connected with the tool bit 2, the blade 3 and the tool bit 2 can rotate freely, the fastening device 4 can be mounted on the tool bit 2, and the fastening device 4 has the functions of: the blade 3 is caught or released, and when the blade 3 is rotated around the cutter head 2, all the edges of the blade 3 are used to protrude from the cutter head 2, so that a blade can be formed.
As shown in fig. 3 to 7, in this embodiment, the fastening device 4 includes a first elastic member 42 and a fastening member 41, where the lower end of the first elastic member 42 may be mounted on the cutter head 2, and the upper end of the first elastic member is fixedly mounted on the fastening member 41, as can be seen in fig. 4 and 5 (or fig. 6 and 7), when the fastening member 41 compresses the first elastic member 42 (shown in fig. 5), the fastening member 41 moves downward, so that the fastening member 41 may leave the blade 3, and when the first elastic member 42 is restored (as shown in fig. 4), the fastening member 41 moves upward under the action of the elastic force of the first elastic member 42, and the fastening member 41 may clamp the blade 3.
When the blade 3 needs to be rotated, the first elastic piece 42 is compressed through the buckling piece 41, the buckling piece 41 leaves the blade 3, then the blade 3 is rotated to a required position, then the buckling piece 41 is released, and the buckling piece 41 can clamp the blade 3 under the action of the elastic force of the first elastic piece 42.
In this embodiment, as shown in fig. 3 to 7, the blade 3 is preferably fixedly mounted in the blade housing 5, the blade housing 5 may be a part of the blade 3, and both the blade 3 and the blade housing 5 are integrally formed (or the blade 3 and the blade housing 5 are two independent components, and the blade 3 is mounted in the blade housing 5), and the blade housing 5 functions to protect the blade 3 regardless of the connection manner of the blade 3 and the blade housing 5, and at the same time, the blade 3 rotates together with the blade housing 5 or is caught together.
On the other hand, the blade 3 is rotatably connected with the cutter head 2 through the cutter housing 5, as shown in fig. 4 and 5, a first groove 51 and a second groove 52 are formed on the cutter housing 5, the fastener 41 is used for being clamped in the first groove 51 or the second groove 52, the fastener 41 can be clamped in the first groove 51 or the second groove 52 to clamp the cutter housing 5, and the blade 3 is clamped by the fastener 41 because the blade 3 is mounted on the cutter housing 5.
As shown in fig. 4 to 7, the fastener 41 is integrally formed with a first protrusion 411 and a second protrusion 412, the first protrusion 411 is configured to be engaged in the first groove 51, the second protrusion 412 is configured to be engaged in the second groove 52, and the cutter case 5 can be engaged by the first protrusion 411 or the second protrusion 412.
As shown in fig. 1 and 4, the fastening piece 41 is formed with a protruding column 413, and the protruding column 413 protrudes out of the cutter head 2, so that the operation is convenient.
In this embodiment, it is more preferable that: as shown in fig. 4, a third groove 53 is integrally formed on the cutter housing 5, and the second protrusion 412 may be caught in or separated from the third groove 53.
The following describes in detail how the utility knife of the present invention is converted into a blade with reference to fig. 4 to 7: as shown in fig. 4 and 5, the two figures show the utility knife, under normal conditions, as shown in fig. 4, when the blade 3 (the blade shell 5) needs to be rotated, the convex column 413 on the clamping piece 41 is pulled downwards, the convex column 413 can drive the clamping piece 41 to move downwards to the state shown in fig. 5, at this time, the first protrusion 411 of the clamping piece 41 leaves the first groove 51, the second protrusion 412 also leaves the third groove 53, the blade shell 5 is not clamped by the clamping piece 41, the blade shell 5 can rotate around the blade 2, after the rotation of about 90 degrees, the blade shell 5 and the blade 3 rotate together to the state shown in fig. 6, at this time, the clamping piece 41 is released, the line where the blade edge of the blade 2 is located is basically perpendicular to the line where the length direction of the blade 2 is located, so that the utility knife can be converted into a shovel blade, and the shovel blade can remove objects such as glass or paint on a flat plate, at the same time, the second protrusion 412 of the clamping piece 41 can be clamped in the second groove 52 of the blade shell 5 can not be converted into the state shown in fig. 6, at this time, the state where the blade can not be rotated by the blade shell 52 is replaced by the knife, and the utility knife can not be rotated basically the same as the blade can be rotated by the blade conveniently.
In summary, in the present embodiment, as shown in fig. 4 and 5, when the first protrusion 411 is engaged with the first groove 51 (meanwhile, the second protrusion 412 is engaged with the third groove 53), the line along which the edge of the blade 3 is located is substantially parallel to the length direction of the cutter head 2 (the length direction is the vertical direction in fig. 1 to 7), and when the blade 3 rotates 90 °, the second protrusion 412 is engaged with the second groove 52, i.e. in the form of a utility knife, the blade 3 rotates 90 ° to become a shovel.
The rotational connection described above is preferably: the tool shank 1 and the tool bit 2 are connected with each other in a rotating manner through a first rotating shaft 21, and the tool shell 5 and the tool bit 2 are connected with each other in a rotating manner through a second rotating shaft 31.
In this embodiment, in order to prevent the tool bit 2 from freely rotating around the tool shank 1 to affect the overall use of the present invention, as shown in fig. 8, the tool shank 1 of the present invention includes two tool shank housings 11, a space for accommodating the tool bit 2 is formed between the two tool shank housings 11, the tool bit 2 can be moved into the tool shank 1 in a rotating manner, and the tool bit 2 can also be moved away from the tool shank 1.
By connecting with fig. 2 and 8, the lower end of the second elastic member 7 can be fixed on the lower handle shell 11, the upper end of the second elastic member is fixedly mounted on the button 6, the lower end of the button 6 can pass through the upper handle shell 11, meanwhile, the upper end of the button 6 extends out of the upper handle shell 11, the clamping rod 61 (a step 611 extending inwards is formed between the clamping rod 61 and the button 6) is integrally formed below the button 6, under normal conditions, the clamping rod 61 can clamp the cutter head 2, the cutter head 2 cannot rotate around the cutter handle 1, when the button 6 is pressed down, the clamping rod 61 moves downwards, the clamping rod 61 can leave the lower part of the cutter head 2, the lower part of the cutter head 2 cannot contact with the step 611 of the button 6 or other parts of the button 6, so that the cutter head 2 can rotate around the cutter handle 1, when the cutter head is rotated to a proper angle, the clamping rod 61 can reset by itself under the action of the second elastic member 7, the clamping rod 61 can clamp the lower part of the cutter head 2, the cutter head 2 can be clamped by setting the button 6 and the second elastic member 7, and the cutter head 2 cannot rotate around the cutter head 3.
In this embodiment, the handle 1 is formed with anti-slip patterns 111, and the anti-slip patterns 111 can play a role in anti-slip. The anti-slip pattern 111 is a pattern with a rough surface, and is formed by a plurality of small grooves and protrusions together.
In the present embodiment, the first elastic member 42 and the second elastic member 7 are both springs. In other embodiments, the first elastic member 42 and the second elastic member 7 may be elastic members such as elastic rods.
As shown in fig. 1, 4 and 5, the invention has the functions of a traditional art designing knife, namely, a knife handle 1 and a knife head 2, wherein the knife head 2 is provided with a knife blade 3, and the knife blade 3 can be used for cutting objects, and secondly, the invention also has the function of a shovel blade, and when the invention needs to be converted into the shovel blade, the conversion can be completed by pulling a clamping piece and rotating the knife blade 3, and after the conversion into the shovel blade, the invention can shovel objects such as paint on the surfaces of objects such as glass, etc., thereby being convenient and practical.
The invention is not limited to the above-described alternative embodiments, and any person who may derive other various forms of products in the light of the present invention, however, any changes in shape or structure thereof, all falling within the technical solutions defined in the scope of the claims of the present invention, fall within the scope of protection of the present invention.
Claims (2)
1. The utility model provides a tool bit rotation type art designing sword which characterized in that: including handle of a knife (1), tool bit (2), blade (3) and buckle device (4), tool bit (2) and handle of a knife (1) rotate and connect, blade (3) with tool bit (2) rotate and connect, buckle device (4) are established on tool bit (2), buckle device (4) are used for blocking blade (3), when blade (3) round behind tool bit (2) rotate, all the blade points of blade (3) are used for stretching out tool bit (2), buckle device (4) include first elastic component (42) and buckle spare (41), one end of first elastic component (42) is established on tool bit (2), the other end is established on buckle spare (41), when buckle spare (41) compress first elastic component (42), buckle spare (41) leave blade (3), when first elastic component (42) resume, buckle spare (41) block blade (3), still include blade (5) establish blade (3) one end of a knife groove (5) are established in tool bit (2) and second groove (52) are established in tool bit (5) and groove (5), the clamping piece (41) is used for being clamped in the first groove (51) or the second groove (52), the clamping piece (41) is used for clamping the blade (3) through the cutter shell (5), the clamping piece (41) is provided with a first protrusion (411) and a second protrusion (412), the first protrusion (411) is used for being clamped in the first groove (51), when the blade (3) rotates, the second protrusion (412) is used for being clamped in the second groove (52), when the first protrusion (411) is clamped in the first groove (51), the length direction of the blade (3) is parallel to the length direction of the cutter head (2), when the blade (3) rotates by 90 degrees, the second protrusion (412) is clamped in the second groove (52), the cutter handle (1) and the cutter head (2) are connected with each other in a rotating mode through a first rotating shaft (21), the cutter shell (5) and the cutter head (2) are connected with each other through a second rotating shaft (31) in a clamping mode, the other button (6) is further arranged on the other, the other end (6) of the cutter handle (6) is provided with an elastic button (1), the other end (6) is provided with an elastic button (6), when the button (6) is pressed down, the clamping rod (61) leaves the cutter head (2), the cutter head (2) is used for rotating around the cutter handle (1), when the button (6) is released, the clamping rod (61) clamps the cutter head (2), the cutter head (2) cannot rotate around the cutter handle (1), a third groove (53) is formed in the cutter shell (5) in an integrated mode, and the second protrusion (412) is clamped into or separated from the third groove (53).
2. The rotary cutter head knife according to claim 1, wherein: the utility model discloses a tool holder, including handle of a knife (1), handle of a knife (1) is last to be equipped with anti-skidding line (111), handle of a knife (1) includes two handle of a knife casings (11), and two handle of a knife casings (11) form the space that holds tool bit (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910441276.6A CN110053077B (en) | 2019-05-24 | 2019-05-24 | Cutter head rotary art designing knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910441276.6A CN110053077B (en) | 2019-05-24 | 2019-05-24 | Cutter head rotary art designing knife |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110053077A CN110053077A (en) | 2019-07-26 |
| CN110053077B true CN110053077B (en) | 2024-03-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910441276.6A Active CN110053077B (en) | 2019-05-24 | 2019-05-24 | Cutter head rotary art designing knife |
Country Status (1)
| Country | Link |
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| CN (1) | CN110053077B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2870537A (en) * | 1958-03-14 | 1959-01-27 | Ortner Samuel | Pocket safety knife |
| US3063147A (en) * | 1959-07-01 | 1962-11-13 | Kastar Inc | Adjustable tool |
| US3324548A (en) * | 1965-04-27 | 1967-06-13 | Mascia Peter | Tool-holding knife |
| US3518758A (en) * | 1967-10-24 | 1970-07-07 | Robert A Bennett | Utility knife with movable and rotatable blade |
| CN201095115Y (en) * | 2007-10-22 | 2008-08-06 | 杭州巨星科技有限公司 | Hand knife convenient for replacing blade |
| CN201095114Y (en) * | 2007-10-22 | 2008-08-06 | 杭州巨星科技有限公司 | Hand knife convenient for replacing blade |
| CN102837323A (en) * | 2011-06-21 | 2012-12-26 | 上海昆杰五金工具有限公司 | Knife rest |
| CN103381606A (en) * | 2012-05-03 | 2013-11-06 | 王爱国 | Art knife |
| CN209936972U (en) * | 2019-05-24 | 2020-01-14 | 阳江市阳东区康泰五金工具制造有限公司 | Knife with rotary knife head |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120066910A1 (en) * | 2011-11-22 | 2012-03-22 | Shantha Totada R | Rotating utility knife scraper |
-
2019
- 2019-05-24 CN CN201910441276.6A patent/CN110053077B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2870537A (en) * | 1958-03-14 | 1959-01-27 | Ortner Samuel | Pocket safety knife |
| US3063147A (en) * | 1959-07-01 | 1962-11-13 | Kastar Inc | Adjustable tool |
| US3324548A (en) * | 1965-04-27 | 1967-06-13 | Mascia Peter | Tool-holding knife |
| US3518758A (en) * | 1967-10-24 | 1970-07-07 | Robert A Bennett | Utility knife with movable and rotatable blade |
| CN201095115Y (en) * | 2007-10-22 | 2008-08-06 | 杭州巨星科技有限公司 | Hand knife convenient for replacing blade |
| CN201095114Y (en) * | 2007-10-22 | 2008-08-06 | 杭州巨星科技有限公司 | Hand knife convenient for replacing blade |
| CN102837323A (en) * | 2011-06-21 | 2012-12-26 | 上海昆杰五金工具有限公司 | Knife rest |
| CN103381606A (en) * | 2012-05-03 | 2013-11-06 | 王爱国 | Art knife |
| CN209936972U (en) * | 2019-05-24 | 2020-01-14 | 阳江市阳东区康泰五金工具制造有限公司 | Knife with rotary knife head |
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| Publication number | Publication date |
|---|---|
| CN110053077A (en) | 2019-07-26 |
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