CN213859362U

CN213859362U - Novel art knife

Info

Publication number: CN213859362U
Application number: CN202022969869.0U
Authority: CN
Inventors: 郭佳欢
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-08-03
Anticipated expiration: 2030-12-10

Abstract

The utility model relates to a novel art designing sword belongs to cutter technical field. The utility model adopts the technical proposal that: the utility model provides a novel art knife, includes blade body, blade, regulator and shutting structure, the blade body includes blade and lower blade, go up between blade and the lower blade through upper and lower protruding buckle cooperation connection, the regulator includes the regulating block, lower regulating block, be equipped with the flexure strip between upper regulating block and lower regulating block, the front end of regulating block is provided with the lower hook that matches with the fixed orifices on the blade down, the inside of lower blade is equipped with the track chamber, the inside rear that is located the track chamber of lower blade is equipped with a cavity, be equipped with a spring inside the cavity, shutting structure includes spring, fixture block, main part button, the main part button includes the rotating part, presses the splenium, press the splenium to set up in the side of blade body. The utility model has the advantages that: convenient to use can follow the blade front end and carry out the tool changing, and the appearance is pleasing to the eye, and the safety in utilization is high.

Description

Novel art knife

Technical Field

The utility model relates to a novel art designing sword belongs to cutter technical field.

Background

The art knife is also commonly called as a nicking knife or a wallpaper knife, is a knife for art and handicraft, and can also be used for cutting with conventional functions. The existing art designing knife is provided with a guide groove in a knife body and a regulator is additionally arranged on a blade. When in use, the regulator is controlled to push the blade out of the guide groove; when the knife is stored, the adjuster is operated to retract the blade into the knife body. Specifically, a spring tab is provided in the adjuster that engages the teeth on the blade to position the blade. However, in the practical process, the blade can be vertically deviated at the position of the limiting part only by the elastic force of the spring piece in the adjuster, and particularly when the blade is used for sawing hard objects, the limiting part can be greatly deviated after being stressed, and a user needs to tightly hold the blade by hand, so that the blade is very inconvenient. In addition, the upper knife body and the lower knife body which form the knife body main body of the existing art knife are generally locked and fixed by fixing pieces (screws), so that a large number of screws are required to be consumed, and time and labor are wasted when the existing art knife is assembled. Therefore, a new technical solution should be provided to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the novel art knife has the advantages that the defect existing in the prior art is overcome, the use is convenient, the knife can be replaced from the front end of the knife body, the appearance is attractive, and the use safety is high.

In order to achieve the above object, the utility model adopts the following technical scheme:

a novel art knife comprises a knife body, a blade, an adjuster and a locking structure, wherein the knife body comprises an upper knife body and a lower knife body, the upper knife body and the lower knife body are connected in a matched mode through an upper convex buckle and a lower convex buckle, the adjuster comprises an upper adjusting block and a lower adjusting block, an elastic sheet is arranged between the upper adjusting block and the lower adjusting block, a lower convex hook matched with a fixing hole in the blade is arranged at the front end of the lower adjusting block, a strip-shaped groove is formed in the surface of the outer wall of the upper knife body, the upper adjusting block can slide in the groove, locking teeth are arranged on two sides, located in the groove, of the upper knife body, locking teeth are arranged on two sides, located in the groove, of the lower knife body, a track cavity for the blade and the lower adjusting block to slide is formed in the track cavity, the blade and the lower adjusting block are arranged on the track cavity, a cavity is arranged behind the track cavity in the lower knife body, and a spring is arranged in the cavity, the utility model discloses a sword body, including last blade, the inside of going up blade is located the rear of recess and is equipped with the protruding fixture block downwards, and when last blade and lower blade were closed, the fixture block card was in the spring, the shutting structure includes spring, fixture block, main part button, the main part button includes the rotating part and presses the splenium with rotating part integrated into one piece, open at the center of rotating part has the through-hole, and the location axle that sets up at last blade afterbody passes the through-hole it has the locating hole to open corresponding the position of location axle on the lower blade, and the set screw passes the locating hole is screwed up in the hole of location axle, press the splenium to set up in the side of blade body.

The further technical scheme is as follows:

the front end of the upper knife body is provided with a downward first protruding portion, a first clamping groove in clamping fit with the first protruding portion is formed in the position, corresponding to the first protruding portion, of the lower knife body, an upward second protruding portion is formed in the position, close to the first clamping groove, of the lower knife body, and a second clamping groove in clamping fit with the second protruding portion is formed in the position, corresponding to the second protruding portion, of the upper knife body.

Further, in the above-mentioned case,

a downward convex block is arranged on the lower adjusting block and behind the lower convex hook, and an upward boss matched with the convex block is arranged at the front end part of the lower knife body.

In a still further aspect of the present invention,

the side wall surfaces at the rear parts of the upper knife body and the lower knife body are respectively inwards concave to form a section of concave part, and when the upper knife body and the lower knife body are closed, the pressing part of the main button is pressed on the concave part.

Preferably, the first and second liquid crystal materials are,

the knife body is streamlined, and the knife head at the front end of the knife body is in a triangular tip shape.

The knife body is made of zinc alloy material.

Due to the adoption of the technical scheme, compared with the prior art, the utility model have the following advantage:

1. compared with the traditional front locking structure, the novel art knife provided with the locking structure has the advantages that the pressing part of the main button of the locking structure is arranged on the side surface of the knife body, so that the novel art knife is more in line with human engineering on the side surface, and the use experience is improved; meanwhile, unlocking and locking can be realized more quickly, and the service time is saved; and increases the overall aesthetics.

2. The utility model discloses a novel art knife, through upper and lower concave convex buckle cooperation connection between the last blade that constitutes the blade body and the lower blade, through the activity dislocation of upper and lower blade, realize that the blade is closed, open, compare in traditional blade structure, saved the screw, use energy-concerving and environment-protective more.

3. The utility model discloses a novel art designer's sword, the dismantlement and the installation to the blade of realization that can relax from the front end of blade can reduce user and blade contact time, reduces the risk of changing blade in-process and bringing, has improved factor of safety, has saved the time.

4. The utility model discloses a novel art designing knife, the tool bit of the front end of the knife body is triangle cusp shape, the blade can not be exposed in a large area in the use process, thus not only protecting the blade, but also prolonging the service life of the blade; meanwhile, the utility model protects the user and greatly reduces the danger coefficient of the utility knife.

5. The utility model discloses a novel art knife, blade body are accomplished by the preparation of zinc alloy material, compare in traditional plastics and ordinary iron system blade, can increase the hardness and the toughness of blade, have improved life greatly.

6. The utility model has the advantages that the knife body is designed into a streamline type, which accords with the ergonomic design, the user can use the device to complete the work more easily, and the holding feeling is greatly improved; and meanwhile, the aesthetic property is also improved.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic front perspective view of a utility knife.

Fig. 2 is a schematic perspective view of the back of the art knife.

Fig. 3 is a schematic view of the upper blade structure.

Fig. 4 is a schematic view of the lower blade structure.

Fig. 5 is a schematic view of a lower adjustment block structure.

Fig. 6 is a schematic structural diagram of an upper adjusting block.

Fig. 7 is a schematic perspective view of the main button.

Wherein: 1. the tool body comprises a tool body 1-1, an upper tool body 1-11, a groove 1-12, a locking tooth 1-2, a lower tool body 1-21, a track cavity 1-22, a cavity 1-3, a recess 2, a blade 3, an adjuster 3-1, an upper adjusting block 3-2, a lower adjusting block 3-3, an elastic sheet 3-4, a lower convex hook 3-5, a convex block 3-6, a boss 4, a locking structure 4-1, a spring 4-2, a clamping block 4-3, a main button 4-31, a rotating part 4-32, a pressing part 4-33, a through hole 4-34, a positioning shaft 4-35, a positioning hole 4-36 and a positioning screw.

Detailed Description

As shown in fig. 1-4 and fig. 7, as a first embodiment of the present invention, a novel utility knife includes a knife body 1, a blade 2, a regulator 3 and a locking structure 4, the knife body 1 includes an upper knife body 1-1 and a lower knife body 1-2, the upper knife body 1-1 and the lower knife body 1-2 are connected by an upper convex fastener and a lower convex fastener, and the specific connection mode is: the front end of the upper knife body 1-1 is provided with a downward first bulge 1-13, the lower knife body 1-2 is provided with a first clamping groove 1-23 corresponding to the first bulge 1-13 at a position corresponding to the first bulge 1-13, an upward second bulge 1-24 is arranged on the lower knife body 1-2 close to the first clamping groove 1-23, and the upper knife body 1-1 is provided with a second clamping groove 1-14 corresponding to the second bulge 1-24 at a position corresponding to the second bulge 1-24.

The regulator 3 is made of elastic materials and comprises an upper regulating block 3-1 and a lower regulating block 3-2, an elastic sheet 3-3 is arranged between the upper regulating block 3-1 and the lower regulating block 3-2, the upper surface of the upper regulating block 3-1 is a handheld pressing surface which is provided with an anti-skidding tooth surface structure, and the continuous action of power is ensured; a lower convex hook 3-4 matched with a fixing hole on the blade 2 is arranged at the front end of the lower adjusting block 3-2, the blade 2 is hung on the lower convex hook 3-4 through a fixing hole at the tail end of the blade 2, a strip-shaped groove 1-11 is formed in the outer wall surface of the upper blade 1-1, a handheld pressing surface of the upper adjusting block 3-1 can slide in the groove 1-11, locking teeth 1-12 are arranged on two sides of the groove 1-11 inside the upper blade, a track cavity 1-21 for the blade 2 and the lower adjusting block 3-2 to slide is arranged inside the lower blade 1-2, the blade 2 and the lower adjusting block 3-2 are arranged on the track cavity 1-21, a cavity 1-22 is arranged behind the track cavity 1-21 inside the lower blade 1-2, a spring 4-1 is arranged in the cavity 1-22, a clamping block 4-2 protruding downwards is arranged in the upper knife body 1-1 at the rear of the groove 1-11, when the upper knife body 1-1 and the lower knife body 1-2 are closed, the clamping block 4-2 is clamped in the spring 4-1, the locking structure 4 comprises the spring 4-1, the clamping block 4-2 and a main button 4-3, the main button 4-3 comprises a rotating part 4-31 and a pressing part 4-32 integrated with the rotating part 4-31, a through hole 4-33 is formed in the center of the rotating part 4-31, a positioning shaft 4-34 arranged at the tail part of the upper knife body 1-1 penetrates through the through hole 4-33, and a positioning hole 4-35 is formed in the lower knife body 1-2 at a position corresponding to the positioning shaft 4-34, the positioning screws 4-36 pass through the positioning holes 4-35 and are screwed in the inner holes of the positioning shafts 4-34, the pressing parts 4-32 are arranged on the side surfaces (including the left side surface and the right side surface) of the knife body 1, and specifically, the pressing parts are as follows: the side wall surfaces at the rear parts of the upper knife body 1-1 and the lower knife body 1-2 are respectively inwards concave to form a section of concave part 1-3, and when the upper knife body 1-1 and the lower knife body 1-2 are closed, the pressing part 4-32 of the main button 4-3 is pressed on the concave part 1-3.

Preferably, as shown in fig. 5 and 6, as a third embodiment of the present invention, this embodiment is a further improvement of the first embodiment, a downward projection 3-5 is provided on the lower adjusting block 3-2 behind the lower convex hook 3-4, and an upward projection 3-6 matching with the projection 3-5 is provided at the front end of the lower blade 1-2.

Preferably, as the third embodiment of the present invention, the present embodiment is further limited to the first embodiment, the cutting head at the front end of the blade body 1 is in a triangular pointed shape, and the blade body 1 is made of a zinc alloy material. The cutter head in the triangular tip shape design can not expose a large area of the blade in the use process, so that the blade is protected, and the service life of the blade is prolonged; meanwhile, the utility model protects the user and greatly reduces the danger coefficient of the utility knife. The blade body is made of zinc alloy material, and compared with the traditional plastic and common iron blade, the hardness and toughness of the blade body can be increased, and the service life is greatly prolonged. The knife body 1 is designed into a streamline type, which accords with the ergonomic design, so that a user can more easily use the device to complete the work, and the holding feeling is greatly improved; and meanwhile, the aesthetic property is also improved.

The utility model discloses an art designing sword's theory of use as follows: when the hand-held pressing surface on the upper surface of the adjusting block 3-1 is pressed by the fingers of a user, the elastic sheet 3-3 is separated from the locking teeth 1-12 on the upper knife body, the adjuster 3 can drive the blade 2 to slide back and forth in the track cavity 1-21 in the knife body 1, knife withdrawing and retracting can be realized, when the pressing part 4-32 of the main button 4-3 is pressed downwards by the fingers of the user, the rotating part 4-31 of the main button 4-3 rotates around the positioning shaft 4-34, the convex edges on the polygonal outer surface of the rotating part 4-31 can extrude the lower knife body 1-2 to push the lower knife body 1-2 forwards, when the main button is completely closed, the lower knife body 1-2 moves to the right position, at the moment, the upper knife body and the lower knife body are connected through the upper convex buckle and the lower concave buckle which are arranged with each other, and closing is also realized, a clamping block 4-2 on the upper knife body is clamped into a spring 4-1 on the lower knife body to drive the spring 4-1 to contract, and the regulator 3 cannot be moved to change the position of the blade; when the pressing part 4-32 of the main body button 4-3 is lifted upwards, the main body button 4-3 is opened to drive the spring to relax, the lower cutter body 1-2 moves backwards, the concave-convex matching between the upper cutter body and the lower cutter body is loosened, so that the movable cutter body is loosened, the regulator 3 can be moved at the moment, and the position of the blade is changed.

When the blade needs to be detached and replaced, the user pushes the adjuster 3 to the foremost end and continues to push forwards by pressing the hand-held pressing surface on the upper surface of the upper adjusting block 3-1 with the fingers, when the lug 3-5 of the adjuster 3 touches the boss 3-6 at the front end of the lower blade body 1-2, the lower convex hook 3-4 at the front end of the adjuster 3 jumps, and the blade 2 is loosened and falls off from the lower convex hook 3-4 at the moment, so that the blade can be easily taken out. When a new blade is installed, the tail end of the new blade is hung on the lower convex hook 3-4 at the end part of the regulator, the regulator is pushed backwards to enable the regulator to be far away from the cutter head, and the jumped lower convex hook 3-4 falls down to reset at the moment, so that the blade is replaced.

The general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A novel art knife is characterized in that: comprises a knife body (1), a blade (2), a regulator (3) and a locking structure (4),

the utility model discloses a scalpel blade, including blade body (1), upper knife blade body (1-1) and lower blade body (1-2), upper knife blade (1-1) and lower blade body (1-2) are connected through upper and lower concave protruding buckle cooperation, regulator (3) include upper regulating block (3-1), lower regulating block (3-2), be equipped with elastic sheet (3-3) between upper regulating block (3-1) and lower regulating block (3-2), be provided with lower protruding couple (3-4) that match with the fixed orifices on blade (2) in the front end of lower regulating block (3-2), open on the outer wall surface of upper knife blade (1-1) rectangular shape recess (1-11), upper regulating block (3-1) can slide in recess (1-11), the inside of upper knife blade body is located the both sides of recess (1-11) and has been arranged and has been locked tooth (1-12), the inner part of the lower knife body (1-2) is provided with a track cavity (1-21) for the sliding of the blade (2) and the lower adjusting block (3-2), the blade (2) and the lower adjusting block (3-2) are arranged on the track cavity (1-21), a cavity (1-22) is arranged in the lower knife body (1-2) and behind the track cavity (1-21), a spring (4-1) is arranged in the cavity (1-22), a clamping block (4-2) protruding downwards is arranged in the upper knife body (1-1) and behind the groove (1-11), when the upper knife body (1-1) and the lower knife body (1-2) are closed, the clamping block (4-2) is clamped in the spring (4-1), and the locking structure (4) comprises the spring (4-1), A fixture block (4-2) and a main body button (4-3), wherein the main body button (4-3) comprises a rotating part (4-31) and a pressing part (4-32) which is integrally formed with the rotating part (4-31), the center of the rotating part (4-31) is provided with a through hole (4-33), a positioning shaft (4-34) arranged at the tail part of the upper knife body (1-1) passes through the through hole (4-33), the lower knife body (1-2) is provided with positioning holes (4-35) corresponding to the positioning shafts (4-34), positioning screws (4-36) penetrate through the positioning holes (4-35) and are screwed in inner holes of the positioning shafts (4-34), and the pressing parts (4-32) are arranged on the side faces of the knife body (1).

2. The utility knife of claim 1, wherein: the front end of the upper knife body (1-1) is provided with a downward first protruding portion (1-13), a first clamping groove (1-23) matched with the first protruding portion (1-13) in a clamping and buckling mode is formed in the position, corresponding to the first protruding portion (1-13), of the lower knife body (1-2), an upward second protruding portion (1-24) is formed in the position, close to the first clamping groove (1-23), of the lower knife body (1-2), and a second clamping groove (1-14) matched with the second protruding portion (1-24) in a clamping and buckling mode is formed in the position, corresponding to the second protruding portion (1-24), of the upper knife body (1-1).

3. The utility knife of claim 1, wherein: a downward convex block (3-5) is arranged on the lower adjusting block (3-2) and behind the lower convex hook (3-4), and an upward convex plate (3-6) matched with the convex block (3-5) is arranged at the front end part of the lower knife body (1-2).

4. The utility knife of claim 1, wherein: the side wall surfaces at the rear parts of the upper knife body (1-1) and the lower knife body (1-2) are respectively inwards concave to form a section of concave part (1-3), and when the upper knife body (1-1) and the lower knife body (1-2) are closed, the pressing part (4-32) of the main body button (4-3) is pressed on the concave part (1-3).

5. A new art knife according to claim 1 or 2, characterized in that: the knife body (1) is streamlined, and the knife head at the front end of the knife body (1) is in a triangular tip shape.

6. The utility knife of claim 5, wherein: the knife body (1) is made of zinc alloy materials.