CN112123381A - Art designing knife - Google Patents

Art designing knife Download PDF

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Publication number
CN112123381A
CN112123381A CN202010743422.3A CN202010743422A CN112123381A CN 112123381 A CN112123381 A CN 112123381A CN 202010743422 A CN202010743422 A CN 202010743422A CN 112123381 A CN112123381 A CN 112123381A
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CN
China
Prior art keywords
blade
knife
groove
breaking
shell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202010743422.3A
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Chinese (zh)
Inventor
魏长同
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202010743422.3A priority Critical patent/CN112123381A/en
Publication of CN112123381A publication Critical patent/CN112123381A/en
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B11/00—Hand knives combined with other implements, e.g. with corkscrew, with scissors, with writing implement
    • 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
    • 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
    • B26B1/10—Handles

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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 shell, a blade, an adjusting device and a knife breaking device, wherein the shell is provided with a blade placing cavity, a knife tip accommodating cavity, a sliding groove and a blade inlet and outlet channel, the adjusting device comprises a sliding block and a locking mechanism, and the knife breaking device comprises a knife breaking groove, a knife breaking piece and an extrusion piece. According to the invention, the plurality of blades are stored in the shell, when the blades need to be replaced, the new blades can be easily replaced by only rotating the screw rod on the sliding block, and the blades do not need to be disassembled, so that the cutter is convenient and practical; the invention can conveniently break off a passivated cutter point by utilizing the cutter breaking device, and the broken cutter point falls into the cutter point containing cavity and is adsorbed by the magnetic piece, thereby being safe and reliable.

Description

Art designing knife
Technical Field
The invention belongs to the technical field of cutters, and particularly relates to an art designing cutter.
Technical Field
The art knife is also commonly called as a graver or a wallpaper knife, is a knife for art and manual work, is mainly used for cutting objects with soft texture, and can also be used for cutting harder objects such as wood or plastics, and has wide application. The utility knife comprises plastics handle of a knife, blade and adjusting device usually, and the blade is mostly the bevel connection, can be in the same direction as the mar line rupture on the blade with blunt back, appears new blade edge, facilitates the use. When the existing art designing knife is used for replacing a new blade, the rear end of the knife handle needs to be detached, the operation is troublesome, and the new blade cannot be found due to the fact that the new blade and the knife handle are stored separately. In addition, the existing art designing knife cannot directly break off a passivated section, and the common method is to support the blade on an object, press and break the blade, so that the broken blade can be bounced in any direction, and potential safety hazards exist, and therefore improvement is needed.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides an art knife.
The technical scheme adopted by the invention is as follows: an art knife comprises a shell, a blade, an adjusting device and a knife breaking device;
a blade placing cavity is formed in the rear lower portion of the shell, a detachable first cover plate is arranged at an opening of the blade placing cavity, an elastic piece is arranged on the inner surface of the first cover plate, a blade tip containing cavity is formed in the front lower portion of the shell, a detachable second cover plate is arranged at an opening of the blade tip containing cavity, a magnetic piece is arranged on the inner surface of the second cover plate, a sliding groove is formed in the upper portion of the blade placing cavity, a hollow groove communicated with the blade placing cavity is formed in the bottom surface of the sliding groove, racks are respectively arranged on two sides of the sliding groove, a blade in-out channel is formed in the front end of the shell, the blade in-out channel is communicated with the blade tip containing cavity and the blade;
the rear end of the blade is provided with a through hole, the blade body is uniformly provided with a plurality of sections of inclined cutting lines, a plurality of blades are stacked and stored in the blade placing cavity in order, the through hole end of each blade faces backwards, the first cover plate is closed, when the blades need to be used, the uppermost blade is pushed out of the shell through the blade in-out channel by using the adjusting device, after the blades are used, the blades are returned to the blade placing cavity by using the adjusting device, when the blades are completely passivated, the completely passivated blades can be withdrawn by using the adjusting device, and the rest blades in the blade placing cavity can automatically move upwards to fill and vacate space under the action of the elastic element;
the adjusting device is arranged in the sliding groove and comprises a sliding block and a locking mechanism; the slider is arranged in the sliding groove and can slide back and forth in the sliding groove, a through round hole is formed in the slider and is provided with an internal thread, a screw rod matched with the internal thread is arranged in the round hole, the screw rod extends out of the round hole and passes through the hollow groove to be capable of just hanging a through hole in the uppermost blade, so that the slider can drive the blade to extend out or retract, and when the screw rod retracts into the round hole, the screw rod is separated from the through hole in the blade; the locking mechanism is used for locking the sliding block to slide and comprises a connecting plate and an inclined plate, the connecting plate is transversely fixed on the rear side of the sliding block, the inclined plate is rotatably connected to the connecting plate through a rotating shaft, a torsion spring is arranged on the rotating shaft, the torsion spring acts on the inclined plate to incline the inclined plate, and tooth catches are arranged on two sides of the lower end of the inclined plate and are matched with racks on two sides of the sliding groove; when the inclined plate is pressed down, the tooth claw is separated from the rack, the sliding block can slide back and forth in the sliding groove, when the inclined plate is loosened, the tooth claw is meshed with the rack under the action of the torsion spring, the sliding block is locked, and the sliding block cannot slide back and forth in the sliding groove;
the knife breaking device is used for breaking a passivated knife tip, and comprises a knife breaking groove, a knife breaking and an extrusion piece, wherein the knife breaking groove is arranged above the knife tip containing cavity and communicated with the knife tip containing cavity, the orientation of the knife breaking groove is consistent with the direction of a cutting line on the blade, the distance from the knife breaking groove to the front end of the shell is consistent with the distance of a section of cutting line on the blade, the knife breaking is arranged in the knife breaking groove, a cutting edge is arranged on the knife breaking, the cutting edge faces the blade, the extrusion piece comprises a nut arranged at the middle position outside the knife breaking groove and a bolt arranged in the nut, the outer end of the bolt is provided with a handle, and the inner end of the bolt is rotatably connected with the knife; when one section of the tool nose at the foremost end of the blade is passivated, the adjusting device is used for placing the blade at the position where the front end of the blade is aligned with the front end of the shell, the score line at the foremost end of the blade is just aligned with the knife breaking groove, the bolt is rotated by the handle to extrude the knife breaking tool, the blade edge of the knife breaking tool breaks the blade along the score line of the blade, and the broken tool nose falls into the tool nose accommodating cavity and is adsorbed by the magnetic piece.
Further, the front end face of the shell is provided with an inclined end face consistent with the cutting line on the blade.
The invention has the beneficial effects that: according to the invention, a plurality of blades are stored in the shell, when the blades need to be replaced, the new blades can be easily replaced by only rotating the screw rod on the sliding block, the disassembly is not needed, the convenience and the practicability are realized, and the trouble of finding new blades is saved; the invention is provided with the cutter breaking device and the cutter point containing cavity, a passivated cutter point can be conveniently broken off by utilizing the cutter breaking device, and the broken cutter point falls into the cutter point containing cavity and is adsorbed by the magnetic piece, thereby being safe and reliable.
Drawings
Fig. 1 is a schematic diagram of the appearance structure of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the present invention.
Fig. 3 is a schematic view of the blade structure of the present invention.
Fig. 4 is a schematic structural diagram of the adjusting device of the invention.
Fig. 5 is a schematic structural diagram of the knife breaking device of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
An art knife comprises a shell 1, a blade 2, an adjusting device 3 and a knife breaking device 4;
a blade placing cavity 5 is formed in the lower rear portion of the shell 1, a detachable first cover plate 6 is arranged at an opening of the blade placing cavity 5, an elastic piece 7 is arranged on the inner surface of the first cover plate 6, a blade tip containing cavity 8 is formed in the lower front portion of the shell 1, a detachable second cover plate 9 is arranged at an opening of the blade tip containing cavity 8, a magnetic piece 10 is arranged on the inner surface of the second cover plate 9, a sliding groove 11 is formed in the upper portion of the blade placing cavity 5, a hollow groove 12 communicated with the blade placing cavity 5 is formed in the bottom surface of the sliding groove 11, racks 13 are respectively arranged on two sides of the sliding groove 11, a blade in-out channel 14 is formed in the front end of the shell 1, the blade in-out channel 14 is communicated with the blade tip containing cavity 8 and the blade placing cavity 9;
the rear end of the blade 2 is provided with a through hole 15, the blade body is uniformly provided with a plurality of sections of inclined cutting lines 16, a plurality of blades 2 are stacked and stored in the blade placing cavity 5 in order, the through hole 15 end of each blade 2 faces backwards, the first cover plate 6 is closed, when the blade 2 needs to be used, the uppermost blade 2 is pushed out of the shell 1 through the blade in-out channel 14 by using the adjusting device 3, after the blade 2 is used, the blade 2 is returned to the blade placing cavity 5 by using the adjusting device 3, when the blade 2 is completely passivated, the completely passivated blade can be withdrawn by using the adjusting device 3, and the rest blades 2 in the blade placing cavity 5 can automatically move upwards to fill a vacated space under the action of the elastic piece 7;
the adjusting device 3 is arranged in the sliding groove 11, and the adjusting device 3 comprises a sliding block 17 and a locking mechanism; the sliding block 17 is arranged in the sliding groove 11, the sliding block 17 can slide back and forth in the sliding groove 11, a through round hole 18 is formed in the sliding block 17, an internal thread is formed in the round hole 18, a screw 19 matched with the internal thread is arranged in the round hole 18, the screw 19 extends out of the round hole 18, penetrates through the hollow groove 12 and can just hang the through hole 15 in the uppermost blade 2, the sliding block 17 can drive the blade 2 to extend out or retract, and when the screw 19 retracts into the round hole 18, the screw 19 is separated from the through hole 15 in the blade 2; the locking mechanism is used for locking the sliding block 17 to slide, and comprises a connecting plate 20 and an inclined plate 21, the connecting plate 20 is transversely fixed at the rear side of the sliding block 17, the inclined plate 21 is rotatably connected to the connecting plate 20 through a rotating shaft, a torsion spring is arranged on the rotating shaft, the torsion spring acts on the inclined plate 21 to incline the inclined plate 21, tooth catches 22 are arranged on two sides of the lower end of the inclined plate 21, and the tooth catches 22 are matched with the racks 13 on two sides of the sliding chute 11; when the sloping plate 21 is pressed down, the toothed claw 22 is separated from the rack 13, the sliding block 17 can slide back and forth in the sliding groove 11, when the sloping plate 21 is loosened, the toothed claw 22 is meshed with the rack 13 under the action of a torsion spring, the sliding block 17 is locked, and the sliding block 17 cannot slide back and forth in the sliding groove 11;
the knife breaking device 4 is used for breaking a passivated section of knife tip, the knife breaking device 4 comprises a knife breaking groove 23, a knife breaking 24 and an extrusion piece, the knife breaking groove 23 is arranged above the knife tip containing cavity 8 and communicated with the knife tip containing cavity 8, the orientation of the knife breaking groove 23 is consistent with the direction of a cutting line 16 on the blade 2, the distance from the front end of the shell 1 to the knife breaking groove 23 is consistent with the distance of a section of cutting line on the blade 2, the knife breaking 24 is arranged in the knife breaking groove 23, a cutting edge 25 is arranged on the knife breaking 24, the cutting edge 25 faces the blade 2, the extrusion piece comprises a nut 26 arranged at the middle position outside the knife breaking groove 23 and a bolt 27 arranged in the nut 26, a handle 28 is arranged at the outer end of the bolt 27, and the inner end of the bolt 27 is rotatably connected with the cutter 25; when the most front end of the blade 2 is passivated, the adjusting device 3 is used for placing the blade 2 at the position where the front end of the blade is aligned with the front end of the shell 1, the cutting line 16 at the most front end of the blade 2 is just aligned with the knife breaking groove 23, the handle 28 is used for rotating the bolt 27, the bolt 27 extrudes the knife breaking 24, the cutting edge 25 of the knife breaking 24 breaks the blade 2 along the cutting line 16 of the blade 2, and the broken knife point falls into the knife point accommodating cavity 8 and is adsorbed by the magnetic piece 10.
Further, the front end face of the housing 1 is provided with an inclined end face which coincides with the score line 16 on the blade 2.

Claims (2)

1. An art knife, which is characterized in that: the utility knife comprises a shell, a blade, an adjusting device and a knife breaking device;
a blade placing cavity is formed in the rear lower portion of the shell, a detachable first cover plate is arranged at an opening of the blade placing cavity, an elastic piece is arranged on the inner surface of the first cover plate, a blade tip containing cavity is formed in the front lower portion of the shell, a detachable second cover plate is arranged at an opening of the blade tip containing cavity, a magnetic piece is arranged on the inner surface of the second cover plate, a sliding groove is formed in the upper portion of the blade placing cavity, a hollow groove communicated with the blade placing cavity is formed in the bottom surface of the sliding groove, racks are respectively arranged on two sides of the sliding groove, a blade in-out channel is formed in the front end of the shell, the blade in-out channel is communicated with the blade tip containing cavity and the blade;
the rear end of the blade is provided with a through hole, the blade body is uniformly provided with a plurality of sections of inclined cutting lines, a plurality of blades are stacked and stored in the blade placing cavity in order, and the through hole end of each blade faces backwards;
the adjusting device is arranged in the sliding groove and comprises a sliding block and a locking mechanism; the slider is arranged in the sliding groove and can slide back and forth in the sliding groove, a through round hole is formed in the slider and is provided with an internal thread, a screw rod matched with the internal thread is arranged in the round hole, the screw rod extends out of the round hole and passes through the hollow groove to be capable of just hanging a through hole in the uppermost blade, so that the slider can drive the blade to extend out or retract, and when the screw rod retracts into the round hole, the screw rod is separated from the through hole in the blade; the locking mechanism is used for locking the sliding block to slide and comprises a connecting plate and an inclined plate, the connecting plate is transversely fixed on the rear side of the sliding block, the inclined plate is rotatably connected to the connecting plate through a rotating shaft, a torsion spring is arranged on the rotating shaft, the torsion spring acts on the inclined plate to incline the inclined plate, and tooth catches are arranged on two sides of the lower end of the inclined plate and are matched with racks on two sides of the sliding groove;
the knife breaking device is used for breaking a passivated knife tip, and comprises a knife breaking groove, a knife breaking and an extrusion piece, wherein the knife breaking groove is arranged above a knife tip containing cavity and communicated with the knife tip containing cavity, the orientation of the knife breaking groove is consistent with the direction of a cutting line on a blade, the distance between the knife breaking groove and the front end of the shell is consistent with the distance between a section of a cutting line on the blade, the knife breaking is arranged in the knife breaking groove, a cutting edge is arranged on the knife breaking, the cutting edge faces the blade, the extrusion piece comprises a nut arranged in the middle position of the outer side of the knife breaking groove and a bolt arranged in the nut, a handle is arranged at the outer end of the bolt, and the inner end of the bolt is rotatably connected.
2. The utility knife of claim 1, wherein: the front end face of the shell is provided with an inclined end face consistent with the cutting line on the blade.
CN202010743422.3A 2020-07-29 2020-07-29 Art designing knife Withdrawn CN112123381A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010743422.3A CN112123381A (en) 2020-07-29 2020-07-29 Art designing knife

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010743422.3A CN112123381A (en) 2020-07-29 2020-07-29 Art designing knife

Publications (1)

Publication Number Publication Date
CN112123381A true CN112123381A (en) 2020-12-25

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ID=73851478

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010743422.3A Withdrawn CN112123381A (en) 2020-07-29 2020-07-29 Art designing knife

Country Status (1)

Country Link
CN (1) CN112123381A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29607627U1 (en) * 1995-10-31 1996-07-18 Chi, Chih-Sung, Tai-Ping Hsiang, Taichung Fastening and carrying device for blades
JP2000288262A (en) * 1999-04-05 2000-10-17 Kds:Kk Cutter knife
TWM338736U (en) * 2007-12-31 2008-08-21 Univ Far East Waste blade segment retriever of box cutter
CN101648383A (en) * 2009-06-24 2010-02-17 上海昆杰五金工具有限公司 Multifunctional combined knife
CN104999483A (en) * 2015-07-26 2015-10-28 鲁建辉 Novel art knife
KR20170114373A (en) * 2016-04-04 2017-10-16 김덕환 Versatile cutter knife
CN208468440U (en) * 2018-06-12 2019-02-05 苏州童蒙养正精密制造科技有限公司 A kind of cutter facilitating snap blade

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29607627U1 (en) * 1995-10-31 1996-07-18 Chi, Chih-Sung, Tai-Ping Hsiang, Taichung Fastening and carrying device for blades
JP2000288262A (en) * 1999-04-05 2000-10-17 Kds:Kk Cutter knife
TWM338736U (en) * 2007-12-31 2008-08-21 Univ Far East Waste blade segment retriever of box cutter
CN101648383A (en) * 2009-06-24 2010-02-17 上海昆杰五金工具有限公司 Multifunctional combined knife
CN104999483A (en) * 2015-07-26 2015-10-28 鲁建辉 Novel art knife
KR20170114373A (en) * 2016-04-04 2017-10-16 김덕환 Versatile cutter knife
CN208468440U (en) * 2018-06-12 2019-02-05 苏州童蒙养正精密制造科技有限公司 A kind of cutter facilitating snap blade

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PB01 Publication
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SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20201225

WW01 Invention patent application withdrawn after publication