CN218927879U - Art designing knife capable of quickly replacing blade - Google Patents

Abstract

The utility model belongs to the technical field of hand tools, and relates to an art designing knife capable of rapidly replacing a blade.

Description

Art designing knife capable of quickly replacing blade

Technical Field

The utility model belongs to the technical field of hand tools, and relates to an art designer knife with a quickly replaceable blade.

Background

In the current daily life, the art designing knife plays an important role, and the art designing knife is needed for daily paper cutting, manual work, engraving, box opening and the like, so that the life of people is greatly facilitated. At present, most art designing knives are of a drawing type structure and consist of a knife handle and a knife blade. The blade is mostly inclined, can be broken along the scribing line of the blade body after blunt, and a new blade is formed, so that the use is convenient. When the blade of the existing art designer is replaced, the plug needs to be taken out from the tail part, and then the blade and the pushing handle are withdrawn together, so that the blade is inconvenient to replace.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides an art knife capable of rapidly replacing a blade, which can improve convenience of a user in blade replacement.

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

an art designer knife with a quick-change blade, comprising:

a handle body, the handle body comprising: the cutter comprises a first handle and a second handle, wherein the first handle and the second handle are arranged oppositely, an accommodating space for accommodating a blade is formed between the first handle and the second handle, the front end of the accommodating space is also provided with a cutter outlet, an opening groove is formed in the first handle, the opening groove is arranged along the moving direction of the blade, a guide groove is formed in one side, close to the first handle, of the second handle, and the guide groove and the opening groove are arranged oppositely;

the blade can be arranged in the accommodating space in a back-and-forth movable way, and can extend out of the knife outlet edge or retract back into the accommodating space from the knife outlet edge under the action of external force, and a notch is arranged on one side of the blade, which is away from the knife edge;

the driving part is arranged on the guide groove through the reset part and can move close to and away from the second handle part under the action of external force, a driving part extends towards the direction of the notch, the driving part is positioned in the notch, an operating part extends towards the direction of the first handle part, and the operating part passes through the opening groove and is positioned outside the accommodating space;

when the operating part is pressed, the driving part can be separated from the notch so as to unlock the driving part and the blade.

Further, the driving part further includes: and a connecting portion extending toward the second handle portion, the restoring member being mounted on the connecting portion.

Further, a clamping groove is further formed in one side, close to the second handle, of the driving part, and the reset part is located in the clamping groove.

Further, the reset component is an arc-shaped elastic piece.

Further, an installation groove is formed in the accommodating space, and the blade is located in the installation groove.

Further, the end face, close to one side of the second handle, of the first handle is provided with a first locking groove and a second locking groove, and the first locking groove and the second locking groove are located on a movement path of the driving component and used for limiting the driving component to drive the blade to move in the accommodating space.

Further, at least one of a straight screwdriver, a cross screwdriver, a hexagonal wrench and a bottle cap screwdriver is arranged on the handle body.

Further, a plurality of strip-shaped protrusions are uniformly distributed on the operation part.

Further, an unlocking part is arranged in the guide groove, the unlocking part is positioned on the moving path of the driving part, and the position of the unlocking part is matched with the position of the connecting part; wherein, when the connecting portion is just opposite with the unblock portion, presses the drive member, and the connecting portion on the drive member can get into in the unblock portion.

The utility model has the beneficial effects that:

through being equipped with the breach on the blade deviating from the one side of cutting edge, the drive part orientation the direction of breach extends there is drive division, and drive part is located in the breach, and the drive part orientation direction of first stalk portion extends there is operating portion, and operating portion passes the open slot is located accommodation space outside, when the user need dismantle the blade, press operating portion, drive division just can follow break away from in the breach, so as to with drive part with the blade unblock, guarantee that the user just can directly take out the blade from going out in the cutting edge, promote the convenience of user when changing the blade.

Drawings

FIG. 1 is a schematic diagram of an explosive structure of the present utility model;

FIG. 2 is a schematic view of the structure of the blade in an unlocked state;

FIG. 3 is a front view of the blade in an unlocked state;

FIG. 4 is a schematic cross-sectional view of the position A-A of FIG. 3;

FIG. 5 is a schematic view of the structure of the blade in the utility model when the blade is opened;

FIG. 6 is a top view of FIG. 5;

FIG. 7 is a schematic cross-sectional view of the B-B position of FIG. 6;

FIG. 8 is a schematic view of the structure of the blade of the present utility model in a closed lock;

FIG. 9 is a top view of FIG. 8;

FIG. 10 is a schematic cross-sectional view of the C-C position of FIG. 9;

FIG. 11 is a schematic view of the structure of the driving part in the present utility model;

fig. 12 is a schematic view of the reset device of the present utility model.

The marks in the figure are as follows: 100-handle body, 110-first handle part, 111-open slot, 112-first locking slot, 113-second locking slot, 120-second handle part, 121-guide slot, 122-unlocking part, 130-containing space, 131-mounting slot, 140-straight screwdriver, 150-cross screwdriver, 160-hexagonal wrench, 170-bottle cap opener; 200-blade, 210-notch; 300-driving part, 310-driving part, 320-operating part, 321-bar-shaped bulge, 330-connecting part and 340-clamping groove; 400-reset means.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1-4, a utility knife with a quick-change blade 200, comprising: a shank 100, a blade 200, and a driving member 300; the shank 100 includes: the first handle 110 and the second handle 120 are arranged oppositely, an accommodating space 130 for accommodating the blade 200 is formed between the first handle 110 and the second handle 120, the front end of the accommodating space 130 is also provided with an outlet edge, the first handle 110 is provided with an open slot 111, the open slot 111 is arranged along the movement direction of the blade 200, one side, close to the first handle 110, of the second handle 120 is provided with a guide slot 121, and the guide slot 121 is arranged oppositely to the open slot 111; the blade 200 is movably installed in the accommodating space 130 back and forth, and the blade 200 can extend from the outlet edge or retract into the accommodating space 130 from the outlet edge under the action of external force, and a notch 210 is arranged on one side of the blade 200 away from the edge; the driving part 300 is arranged on the guide groove 121 through the resetting part 400, the driving part 300 can move close to and far away from the second handle 120 under the action of external force, the driving part 300 extends to the direction of the notch 210 to form a driving part 310, the driving part 310 is positioned in the notch 210, the driving part 300 extends to the direction of the first handle 110 to form an operating part 320, and the operating part 320 passes through the open groove 111 to be positioned outside the accommodating space 130; when the operation portion 320 is pressed, the driving portion 310 can be disengaged from the notch 210 to unlock the driving member 300 from the blade 200.

Through being equipped with breach 210 on the blade 200 and deviating from the one side of cutting edge, drive part 300 orientation have drive portion 310 to the orientation of breach 210 extends, drive portion 310 is located in breach 210, and drive part 300 orientation has operation portion 320 to the orientation of first stalk portion 110, operation portion 320 passes open slot 111 is located accommodation space 130 outside, when the user need dismantle blade 200, press operation portion 320, drive portion 310 just can follow breach 210 is interior breaks away from, in order to with drive part 300 with blade 200 unblock, guarantee that the user just can directly take out blade 200 from the play edge of a knife in, promote the convenience of user when changing blade 200.

In one embodiment, referring to fig. 11, the driving part 300 further includes: the connecting portion 330 extending toward the second handle 120, and the reset element 400 is mounted on the connecting portion 330. The connection portion 330 is arranged, so that when the driving part 300 slides in the guide groove 121, the reset part 400 can slide along with the driving part 300, thereby ensuring that the driving part 300 can be automatically reset when being pressed at any position on the first knife handle. Further, a clamping groove 340 is further provided on a side of the driving component 300, which is close to the second handle 120, and the reset component 400 is located in the clamping groove 340. The setting of the clamping groove 340 can position the reset component 400, prevent the reset component 400 from rotating on the connecting part 330, and ensure that the driving component 300 can stably slide on the guide groove 121.

In one embodiment, referring to fig. 12, reset element 400 is an arcuate spring. The arc shrapnel comprises: the first protruding portion located in the middle region protrudes toward the direction of the driving part 300, and the second protruding portion located in the both side regions protrudes toward the direction of the second handle 120. Through setting up first bulge for the user is pressing down the drive part 300 after, under the effect of first bulge, the drive part 300 can automatic re-setting, and the setting of second bulge makes the user stir the drive part 300, and the second bulge on the reset part 400 can contact with guide way 121, in order to reduce the area of contact of reset part 400 and guide way 121 lateral wall, makes the user can more convenient promote drive part 300.

In one embodiment, the receiving space 130 has a mounting groove 131 therein, and the insert 200 is positioned in the mounting groove 131. By providing the mounting slot 131, the bottom wall of the mounting slot 131 is able to carry the blade 200 when the user mounts the blade 200 within the mounting slot 131. In this embodiment, the depth of the mounting groove is adapted to the thickness of the blade 200.

In one embodiment, referring to fig. 1, a first locking slot 112 and a second locking slot 113 are disposed on an end surface of the first handle 110 near the second handle 120, the first locking slot 112 and the second locking slot are both located on a moving path of the driving component 300, and the sizes of the first locking slot 112 and the second locking slot 113 are adapted to the size of the driving portion 310 on the driving component 300, so that the driving component 300 is limited to drive the blade 200 to move in the accommodating space 130. Further, the first locking groove 112 is located at an end close to the outlet edge, and the second locking groove 113 is located at an end far from the outlet edge. The first locking groove 112 and the second locking groove 113 are arranged, so that when the blade 200 extends or retracts, the blade 200 can be locked, and the blade 200 is prevented from moving back and forth in the accommodating space 130 at will.

In one embodiment, referring to fig. 8, at least one of a flat screwdriver 140, a cross screwdriver 150, a hexagonal wrench 160 and a bottle opener 170 is provided on the handle 100. Through setting up straight screwdriver 140, cross screwdriver 150, hexagonal spanner 160 and bottle opener 170 for the user can use the art designing sword as the instrument, for example, twist the screw, open the bottle lid lamp, thereby promotes the variety of art designing sword function.

In one embodiment, referring to fig. 8, a plurality of bar-shaped protrusions 321 are uniformly arranged on the operation portion 320. The strip-shaped protrusions 321 are arranged, so that a user can conveniently push the driving part 300, and convenience of the user in opening or closing the utility knife is improved.

In one embodiment, referring to fig. 10, an unlocking portion 122 is further disposed in the guide groove 121, the unlocking portion 122 is located on the moving path of the driving member 300, and the position of the unlocking portion 122 is adapted to the position of the connecting portion 330; when the connecting portion 330 is opposite to the unlocking portion 122, the driving member 300 is pressed, and the connecting portion 330 on the driving member 300 can enter the unlocking portion 122. In this embodiment, the unlocking portion 122 is a through hole.

Working principle:

referring to fig. 5 to fig. 7, when the blade is required to be opened and locked, the blade 200 is located in the accommodating space 130, the driving part 310 on the driving part 300 is located in the second locking slot 113, the operating part 320 on the driving part 300 is pressed, the first protruding part on the elastic sheet is compressed, the driving part 310 on the driving part 300 can be separated from the second locking slot 113, the driving part 300 is pushed towards the direction of the blade outlet, and because the driving part 310 on the driving part 300 is located in the notch 210, the driving part 310 can drive the blade 200 to move towards the direction of the blade outlet, when the driving part 310 on the driving part 300 moves to the position of the first locking slot 112, the driving part 300 stops pressing the driving part 300, and then the driving part 300 can move to the first locking slot 112 under the action of the reset part 400, so that the blade 200 is stretched to the preset position for positioning, and the opening and locking of the blade are realized.

Referring to fig. 8 to 10, when the blade needs to be closed and locked, the operation part 320 on the driving part 300 is pressed, the first protruding part on the elastic sheet is compressed, the driving part 310 on the driving part 300 can be separated from the first locking slot 112, then the driving part 300 is pushed towards the direction of the blade outlet, the driving part 310 can drive the blade 200 to move away from the direction of the blade outlet, when the driving part 310 on the driving part 300 moves to the position of the second locking slot 113, the pressing of the driving part 300 is stopped, and at the moment, the driving part 300 can move to the second locking slot 113 under the action of the reset part 400, so that the blade 200 is retracted to the preset position for positioning, and the closing and locking of the blade are realized.

When the blade 200 needs to be replaced, the blade 200 is located in the accommodating space 130, the driving part 310 on the driving part 300 is located in the second locking slot 113, the operation part 320 on the driving part 300 is pressed, the first protruding part on the elastic sheet is compressed, the driving part 310 on the driving part 300 can be separated from the second locking slot 113 and push the driving part 300 towards the direction of the blade outlet, because the driving part 310 on the driving part 300 is located in the notch 210, the driving part 310 can drive the blade 200 to move towards the direction of the blade outlet, when the driving part 300 moves to the position of the unlocking part 122, the connection part 330 on the driving part 310 can enter the unlocking part 122, the driving part 310 on the driving part 300 can be separated from the notch 210, then the head of the blade 200 is pulled, the blade 200 is pulled out from the position of the blade outlet, then the blade outlet is inserted into the accommodating space 130, the driving part 300 is simultaneously pressed when the blade to be replaced is disassembled, until the notch 210 on the blade to be replaced moves to the position corresponding to the driving part 300, and the driving part 300 can be completely replaced.

The above-described embodiments are only one of the preferred embodiments of the present utility model, and the ordinary changes and substitutions made by those skilled in the art within the scope of the present utility model should be included in the scope of the present utility model.

Claims (9)

1. An art designer knife with a quick-change blade, comprising:

a handle body (100), the handle body (100) comprising: the novel knife comprises a first handle (110) and a second handle (120), wherein the first handle (110) and the second handle (120) are oppositely arranged, an accommodating space (130) for accommodating a knife blade (200) is formed between the first handle (110) and the second handle (120), the front end of the accommodating space (130) is also provided with a knife outlet edge, an open slot (111) is formed in the first handle (110), the open slot (111) is arranged along the movement direction of the knife blade (200), a guide slot (121) is formed in one side, close to the first handle (110), of the second handle (120), and the guide slot (121) and the open slot (111) are oppositely arranged;

the blade (200) is arranged in the accommodating space (130) in a back-and-forth movable way, the blade (200) can extend out from the outlet blade or retract into the accommodating space (130) from the outlet blade under the action of external force, and a notch (210) is formed in one side, away from the blade, of the blade (200);

the driving component (300) is arranged on the guide groove (121) through a reset component (400), the driving component (300) can move close to and away from the second handle (120) under the action of external force, the driving component (300) extends to a direction of the notch (210) to form a driving part (310), the driving part (310) is positioned in the notch (210), the driving component (300) extends to a direction of the first handle (110) to form an operating part (320), and the operating part (320) passes through the opening groove (111) to be positioned outside the accommodating space (130);

wherein, when the operation part (320) is pressed, the driving part (310) can be separated from the notch (210) so as to unlock the driving part (300) and the blade (200).

2. The utility knife of claim 1, wherein the drive member (300) further comprises: -a connecting portion (330) extending towards the second handle (120), the reset element (400) being mounted on the connecting portion (330).

3. The utility knife of claim 2, wherein a clamping groove (340) is further provided on the side of the driving member (300) adjacent to the second handle portion (120), and the reset member (400) is located in the clamping groove (340).

4. The utility knife of claim 1, wherein the reset element (400) is an arcuate spring.

5. The utility knife of claim 1, wherein the receiving space (130) has a mounting slot therein, and the blade (200) is positioned in the mounting slot.

6. The utility knife capable of quickly replacing the blade according to claim 1, wherein the end surface of the first handle portion (110) close to one side of the second handle portion (120) is provided with a first locking slot (112) and a second locking slot (113), and the first locking slot (112) and the second locking slot are both located on a movement path of the driving component (300) and are used for limiting the driving component (300) to drive the blade (200) to move in the accommodating space (130).

7. The utility knife of any one of claims 1-6, wherein the handle (100) is provided with at least one of a flat screwdriver (140), a cross screwdriver (150), a hexagonal wrench (160) and a bottle opener (170).

8. The utility knife with the quick replaceable blade according to claim 1, wherein the operation portion (320) is further uniformly provided with a plurality of strip-shaped protrusions (321).

9. The utility knife with the quick replaceable blade according to claim 2, wherein an unlocking part (122) is further arranged in the guide groove (121), the unlocking part (122) is positioned on the moving path of the driving component (300), and the position of the unlocking part (122) is matched with the position of the connecting part (330); wherein, when the connecting part (330) is opposite to the unlocking part (122), the driving part (300) is pressed, and the connecting part (330) on the driving part (300) can enter the unlocking part (122).

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