CN214418873U - Double-functional safe practical knife - Google Patents
Double-functional safe practical knife Download PDFInfo
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- CN214418873U CN214418873U CN202120243774.2U CN202120243774U CN214418873U CN 214418873 U CN214418873 U CN 214418873U CN 202120243774 U CN202120243774 U CN 202120243774U CN 214418873 U CN214418873 U CN 214418873U
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Abstract
The utility model discloses a practical sword with difunctional safety, include: a housing, a blade holder mechanism and a blade; the top of the shell is provided with a strip-shaped sliding hole, and the inner wall of the shell is provided with a fixed column at a position close to the handle end; the blade holder mechanism comprises a blade holder, a blade pushing block, a first elastic part, a second elastic part and a self-locking pushing block; the blade holder slides back and forth along the strip-shaped sliding hole; the first elastic component is arranged at the bottom of the first notch; the fixed column is connected with the blade holder through a second elastic part, the bottom of the push tool block is inserted into the first notch and connected with the first elastic part, and the self-locking push tool block is movably connected with the push tool block; after the blade is pushed out, the cutter pushing block is loosened, the blade is pulled back by the second elastic component, automatic cutter retreating is achieved, the self-locking pushing block is pushed to the end portion of the strip-shaped sliding hole, positioning of the blade can be achieved, when the blade is required to be frequently used, the cutter pushing block does not need to be pressed all the time, the blade is more relaxed, when the blade is withdrawn, the blade can be automatically withdrawn only by lightly pressing the cutter pushing block, and the blade retracting device is very convenient and fast and has high safety factor.
Description
Technical Field
The utility model relates to a practical sword field, more specifically the utility model relates to a practical sword with difunctional safety that says so.
Background
At present, the usage and the function of art designer's stage property under the prior art are more single, do not have the design to the specific function of special purpose, and in addition be exactly that current stage property exists when not using, and the existence forgets the condition of withdrawing the blade, deposits and the in-process of transportation, often because of forgetting to receive and cause article to damage or cut the palm to and when being contacted by children, the risk is very big, and the problem of how to reduce the safety risk does not obtain better solution.
Therefore, how to provide a utility knife capable of automatically rebounding is a problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to a dual-function safety utility knife, which solves at least one of the above technical problems of the prior art to some extent.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a utility knife with dual function safety, comprising: a housing, a blade holder mechanism and a blade;
the two ends of the shell are respectively a handle end and a cutter head end, and a cavity is arranged in the shell; the top of the shell is provided with a strip-shaped sliding hole, two side walls of the strip-shaped sliding hole are provided with a push block sliding groove, and the position, close to the cutter head end, of the top of the push block sliding groove is provided with a self-locking groove; a fixing column is arranged on the inner wall of the cavity close to the handle end;
the blade holder mechanism comprises a blade holder, a blade pushing block, a first elastic part, a second elastic part and a self-locking pushing block;
the blade holder is arranged in the shell and slides along the strip-shaped sliding hole in a reciprocating manner, a blade groove is formed in the middle of the blade holder, and the blade is arranged in the blade groove; the top of one end of the blade frame is provided with a first notch, and the first elastic component is arranged at the bottom of the first notch; one end of the second elastic component is fixed on the fixed column, and the other end of the second elastic component is connected to the blade holder;
the side wall of the push knife block is provided with a strip-shaped connecting hole and a limiting bulge corresponding to the push block sliding groove, the bottom of the push knife block is inserted into the first notch and connected with the first elastic part, and the top of the push knife block penetrates out along the strip-shaped sliding hole;
sliding blocks corresponding to the sliding grooves of the push block are arranged on two sides of the self-locking push block; one end of the self-locking push block is provided with a connecting rod; the end part of the connecting rod bends towards one side of the push broach block and extends into the strip-shaped connecting hole.
According to the technical scheme, compared with the prior art, the utility model discloses a practical knife with double functions and safety, after the push-type broach block is pressed to push out the blade for use, the push-type broach block is loosened, the second elastic component can pull back the blade by self, and the situation that the blade is forgotten to be contracted to generate potential safety hazards is prevented; the blade can be pushed to the top by pushing the self-locking push block, the push cutter block moves upwards under the action of the elastic force of the first elastic component and is clamped in the self-locking groove to form self-locking, when the blade needs to be frequently used, the push cutter block does not need to be pressed all the time, the blade is easier, when the blade is retracted, the push cutter block only needs to be pressed lightly, and the blade can be automatically retracted after being pushed out of the self-locking groove, so that the blade is very convenient and fast, and the safety coefficient is higher; and the blade can be replaced under the self-locking state, so that the blade can be positioned by one hand, is quickly replaced and is more practical.
Preferably, in the above dual-functional safety utility knife, a second notch is formed in the top of the blade holder, an elastic limiting piece is arranged at the second notch, one end of the elastic limiting piece is fixed at the bottom of the second notch, the other end of the elastic limiting piece inclines towards one side of the blade groove, and a pressing protrusion is arranged at the top of the inclined end;
the top of the blade is provided with a limiting notch corresponding to the pressing bulge and clamped with the pressing bulge;
a cutter changing hole is formed in the top of the shell and close to the cutter head end, and a finger pressing groove is formed in the inner side of the cutter changing hole; a finger pressing block is arranged in the finger pressing groove, and a pressing end of the finger pressing block penetrates out along the tool changing hole; the push-type broach block is clamped into the self-locking groove, and the pressing end of the finger pressing block is opposite to the pressing bulge; adopt this scheme through in fixed position, the accessible presses and indicates the briquetting to take out the blade to install new blade, very convenient, the practicality is stronger.
Preferably, in the above dual-functional safety utility knife, a first notch is provided with a limiting hole at the bottom, and a sliding notch is provided on the side wall of the limiting hole; the first elastic component is arranged in the limiting hole;
the bottom of the push cutter block is provided with an insertion column, the side wall of the insertion column is provided with a limiting lug corresponding to the sliding notch, the insertion column is inserted into the limiting hole, the bottom of the insertion column is connected with the first elastic part, and the limiting lug slides along the sliding notch.
Preferably, in the above-mentioned dual-function safety utility knife, a blade seat is further included;
the top and the bottom of the shell corresponding to the handle end are respectively provided with a clamping interface and a blade seat outlet; the inner walls of the two sides of the blade seat outlet are provided with hinged grooves;
two ends of the blade seat are respectively provided with a hinge column and an elastic arm; the hinge column is hinged with the clamping groove of the shell, and is clamped with the clamping interface through the elastic arm; adopt that can realize that the blade carries, can be convenient get put the blade, very convenient.
Preferably, in the above dual-function safety utility knife, the bottom of the casing close to the knife head end is provided with a wire stripping opening; the scheme enriches the using functions of the product.
Preferably, in the above dual function safety utility knife, the housing comprises a first housing and a second housing; the first shell and the second shell are connected in a involutory mode, and the strip-shaped slide hole and the wire stripping port are formed at the top and the bottom, close to the cutter head end, respectively; forming a clamping interface and a blade seat outlet at the top and the bottom close to the handle end;
the side walls of the first shell and the second shell, which correspond to the strip-shaped sliding holes, are provided with push block sliding grooves; the fixing column is arranged on the inner wall of the first shell close to the handle end, the cutter changing hole is formed in the top of the side wall of the second shell, and the finger pressing groove is formed in the inner wall of the second shell;
the inner wall of the first shell is respectively provided with an upper guide plate and a lower guide plate near the top and the bottom, and the top and the bottom of the second shell are provided with an upper limiting plate and a lower limiting plate which correspond to the upper guide plate and the lower guide plate; a sliding bulge corresponding to the upper guide plate and the lower guide plate is arranged on one side of the blade holder opposite to the first shell and is in sliding connection with the upper guide plate and the lower guide plate; the upper limiting plate and the lower limiting plate are abutted against the blade.
Preferably, in the above dual-functional safety utility knife, the edges of the first shell and the second shell are provided with corresponding teeth and tooth sockets, and the teeth and the tooth sockets are connected in an assembling manner; this scheme can guarantee the holistic stability of first casing and second casing.
Preferably, in the above-mentioned dual-function safety utility knife, the first elastic member and the second elastic member are both springs.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
fig. 2-3 are schematic views illustrating the installation of the first housing and the blade holder according to the present invention;
fig. 4 is a schematic view of the installation of the second housing and the blade holder according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1-4, a dual-function safety utility knife of the present invention comprises: the device comprises a shell 1, a blade frame mechanism and a blade 2;
the two ends of the shell 1 are respectively a handle end and a cutter head end, and a cavity is arranged in the shell; a strip-shaped sliding hole 10 is formed in the top of the shell 1, two side walls of the strip-shaped sliding hole 10 are provided with a pushing block sliding groove 100, and a self-locking groove 101 is formed in the position, close to the cutter head end, of the top of the pushing block sliding groove 100; a fixing column 11 is arranged on the inner wall of the cavity close to the handle end;
the blade holder mechanism comprises a blade holder 30, a push block 31, a first elastic part 32, a second elastic part 33 and a self-locking push block 34;
the blade frame 30 is arranged in the shell 1 and slides back and forth along the strip-shaped sliding hole 10, a blade groove is formed in the middle of the blade frame, and the blade 2 is arranged in the blade groove; the top of one end of the blade frame 30 is provided with a first notch 300, and the first elastic component 32 is arranged at the bottom of the first notch 300; one end of the second elastic component 33 is fixed on the fixed column 11, and the other end is connected to the blade holder 30;
the side wall of the push knife block 31 is provided with a strip-shaped connecting hole 310 and a limiting bulge 311 corresponding to the push block sliding groove 100, the bottom of the push knife block is inserted into the first notch 300 and connected with the first elastic part 32, and the top of the push knife block penetrates out along the strip-shaped sliding hole 10;
the two sides of the self-locking push block 34 are provided with slide blocks corresponding to the push block sliding grooves 100; one end of the self-locking push block 34 is provided with a connecting rod 340; the end of the connecting rod 340 is bent toward the side of the push broach block 31 and extends into the bar-shaped connecting hole 310.
Specifically, one end of the blade holder 30 close to the fixing column is provided with a draw hook 304, one end of the second elastic part 33 is connected to the fixing column, and the other end of the second elastic part is connected to the draw hook 304.
Specifically, the top of the shell is provided with an anti-skidding operation area, so that fingers can be conveniently pressed.
In the above embodiment of the present invention, the second notch 302 is opened at the top of the blade holder 30, and the elastic limiting piece 35 is disposed at the second notch 302, one end of the elastic limiting piece 35 is fixed at the bottom of the second notch 302, the other end is inclined toward one side of the blade groove, and the top of the inclined end is provided with the pressing protrusion;
the top of the blade 2 is provided with a limiting notch 20 corresponding to the pressing bulge and clamped with the pressing bulge;
a cutter changing hole is formed in the position, close to the cutter head end, of the top of the shell 1, and a finger pressing groove is formed in the inner side of the cutter changing hole; a finger pressing block 13 is arranged in the finger pressing groove, and the pressing end of the finger pressing block 13 penetrates out along the tool changing hole; the push knife block 31 is clamped into the self-locking groove 101, and the pressing end of the finger pressing block 13 is arranged opposite to the pressing protrusion.
In the above embodiment of the present invention, the bottom of the first notch 300 is provided with a limiting hole, and the side wall of the limiting hole is provided with a sliding notch; the first elastic component 32 is arranged in the limiting hole;
the bottom of the push knife block 31 is provided with an insertion column 312, the side wall of the insertion column 312 is provided with a limit bump 313 corresponding to the sliding notch, the insertion column 312 is inserted into the limit hole, the bottom of the insertion column is connected with the first elastic component 32, and the limit bump 313 slides along the sliding notch.
In the above embodiment of the present invention, the blade holder 4 is further included;
the top and the bottom of the shell 1 corresponding to the handle end are respectively provided with a clamping interface 14 and a blade seat outlet 15; the inner walls of the two sides of the blade seat outlet 15 are provided with hinge grooves;
two ends of the blade seat 4 are respectively provided with a hinge column 40 and an elastic arm 41; hinged to the housing 1 by means of a hinge post 40 and snap-fitted to the snap interface 14 by means of a resilient arm 41.
In the above embodiment of the present invention, the bottom of the casing 1 near the cutter head end is provided with the wire stripping opening 16.
Specifically, the free end of the elastic arm is provided with a clamping bulge which is clamped with the clamping interface through the clamping bulge.
In the above embodiment of the present invention, the housing 1 includes the first housing 17 and the second housing 18; the first shell 17 and the second shell 18 are connected in an involutory manner, and a strip-shaped slide hole 10 and a wire stripping opening 16 are respectively formed at the top and the bottom close to the cutter head end; forming a snap interface 14 and a blade holder outlet 15 at the top and bottom near the handle end;
the side walls of the first shell 17 and the second shell 18 corresponding to the strip-shaped slide holes 10 are provided with push block slide grooves 100; a fixing column 11 is arranged on the inner wall of the first shell 17 close to the handle end, a replacement knife hole is arranged at the top of the side wall of the second shell 18, and a finger pressing groove is arranged on the inner wall;
the inner wall of the first housing 17 is provided with an upper guide plate 170 and a lower guide plate 171 near the top and the bottom, respectively, and the top and the bottom of the second housing 18 are provided with an upper limiting plate 180 and a lower limiting plate 181 corresponding to the upper guide plate 170 and the lower guide plate 171; a sliding protrusion 303 corresponding to the upper guide plate 170 and the lower guide plate 171 is arranged on one side of the blade holder 30 opposite to the first shell 17 and is connected with the blade holder in a sliding manner; the upper and lower limiting plates 180, 181 abut on the blade 2.
In the above embodiments of the present invention, the edges of the first casing 17 and the second casing 18 are provided with corresponding teeth and tooth sockets, and the connection is assembled through the teeth and the tooth sockets.
In the above embodiments of the present invention, the first elastic member 32 and the second elastic member 33 are both springs.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to 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 (8)
1. A utility knife with dual function safety, comprising: the cutter comprises a shell (1), a blade frame mechanism and a blade (2);
the two ends of the shell (1) are respectively a handle end and a cutter head end, and a cavity is arranged in the shell; a strip-shaped sliding hole (10) is formed in the top of the shell (1), pushing block sliding grooves (100) are formed in two side walls of the strip-shaped sliding hole (10), and self-locking grooves (101) are formed in the positions, close to the cutter head end, of the top of each pushing block sliding groove (100); a fixing column (11) is arranged on the inner wall of the cavity close to the handle end;
the blade frame mechanism comprises a blade frame (30), a push block (31), a first elastic part (32), a second elastic part (33) and a self-locking push block (34);
the blade holder (30) is arranged in the shell (1) and slides along the strip-shaped sliding hole (10) in a reciprocating mode, a blade groove is formed in the middle of the blade holder, and the blades (2) are arranged in the blade groove; the top of one end of the blade frame (30) is provided with a first notch (300), and the first elastic component (32) is arranged at the bottom of the first notch (300); one end of the second elastic component (33) is fixed on the fixed column (11), and the other end of the second elastic component is connected to the blade holder (30);
the side wall of the push knife block (31) is provided with a strip-shaped connecting hole (310) and a limiting bulge (311) corresponding to the push block sliding groove (100), the bottom of the push knife block is inserted into the first notch (300) and connected with the first elastic component (32), and the top of the push knife block penetrates out along the strip-shaped sliding hole (10);
sliding blocks corresponding to the pushing block sliding grooves (100) are arranged on two sides of the self-locking pushing block (34); one end of the self-locking push block (34) is provided with a connecting rod (340); the end part of the connecting rod (340) bends towards one side of the cutter pushing block (31) and extends into the strip-shaped connecting hole (310).
2. The utility knife with dual-function safety according to claim 1, characterized in that the top of the blade holder (30) is provided with a second notch (302), and an elastic limiting piece (35) is arranged at the second notch (302), one end of the elastic limiting piece (35) is fixed at the bottom of the second notch (302), the other end is inclined towards one side of the blade groove, and a pressing bulge is arranged at the top of the inclined end;
the top of the blade (2) is provided with a limiting notch (20) corresponding to the pressing bulge and clamped with the pressing bulge;
a cutter changing hole is formed in the position, close to the cutter head end, of the top of the shell (1), and a finger pressing groove is formed in the inner side of the cutter changing hole; a finger pressing block (13) is arranged in the finger pressing groove, and a pressing end of the finger pressing block (13) penetrates out along the tool changing hole; the push broach block (31) is clamped into the self-locking groove (101), and the pressing end of the finger pressing block (13) is opposite to the pressing protrusion.
3. The utility knife of claim 2, wherein the first notch (300) has a limiting hole at the bottom and a sliding notch at the side wall; the first elastic component (32) is arranged in the limiting hole;
the bottom of the push cutter block (31) is provided with an insertion column (312), the side wall of the insertion column (312) is provided with a limiting lug (313) corresponding to the sliding notch, the insertion column (312) is inserted into the limiting hole, the bottom of the insertion column is connected with the first elastic component (32), and the limiting lug (313) slides along the sliding notch.
4. A dual function safety utility knife according to claim 3, further comprising a blade seat (4);
the shell (1) is provided with a clamping interface (14) and a blade seat outlet (15) corresponding to the top and the bottom of the handle end respectively; the inner walls of the two sides of the blade seat outlet (15) are provided with hinged grooves;
two ends of the blade seat (4) are respectively provided with a hinge column (40) and an elastic arm (41); through articulated post (40) with the draw-in groove of casing (1) is articulated, and pass through elastic arm (41) with joint interface (14) joint.
5. The utility knife of claim 4, wherein the housing (1) has a wire stripping opening (16) near the bottom of the blade end.
6. The utility knife of claim 5, wherein the knife body is a dual function safety knife,
the housing (1) comprises a first housing (17) and a second housing (18); the first shell (17) and the second shell (18) are connected in a matching way, and the top and the bottom close to the cutter head end are respectively provided with the strip-shaped slide hole (10) and the wire stripping port (16); forming a snap interface (14) and a blade holder outlet (15) at the top and bottom near the handle end;
the side walls of the first shell (17) and the second shell (18) corresponding to the strip-shaped sliding holes (10) are provided with push block sliding grooves (100); the fixing column (11) is arranged at the position, close to the handle end, of the inner wall of the first shell (17), the cutter changing hole is formed in the top of the side wall of the second shell (18), and the finger pressing groove is formed in the inner wall;
an upper guide plate (170) and a lower guide plate (171) are respectively arranged on the inner wall of the first shell (17) close to the top and the bottom, and an upper limiting plate (180) and a lower limiting plate (181) corresponding to the upper guide plate (170) and the lower guide plate (171) are arranged on the top and the bottom of the second shell (18); a sliding protrusion (303) corresponding to the upper guide plate (170) and the lower guide plate (171) is arranged on one side of the blade holder (30) opposite to the first shell (17) and is connected with the blade holder in a sliding manner; the upper limiting plate (180) and the lower limiting plate (181) are abutted against the blade (2).
7. The utility knife of claim 6, characterized in that the edges of the first and second housings (17, 18) are provided with corresponding teeth and tooth sockets, which are connected by a tooth and tooth socket assembly.
8. The utility knife of claim 7, wherein the first resilient member (32) and the second resilient member (33) are both springs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120243774.2U CN214418873U (en) | 2021-01-28 | 2021-01-28 | Double-functional safe practical knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120243774.2U CN214418873U (en) | 2021-01-28 | 2021-01-28 | Double-functional safe practical knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214418873U true CN214418873U (en) | 2021-10-19 |
Family
ID=78057667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120243774.2U Active CN214418873U (en) | 2021-01-28 | 2021-01-28 | Double-functional safe practical knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214418873U (en) |
-
2021
- 2021-01-28 CN CN202120243774.2U patent/CN214418873U/en active Active
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