CN201848865U

CN201848865U - Three-key art knife

Info

Publication number: CN201848865U
Application number: CN2010205582754U
Authority: CN
Inventors: 温昊
Original assignee: Shanghai Kunjie Hardware Tool Co Ltd
Current assignee: Shanghai Kunjie Hardware Tool Co Ltd
Priority date: 2010-10-12
Filing date: 2010-10-12
Publication date: 2011-06-01
Anticipated expiration: 2020-10-12

Abstract

The utility model relates to a three-key art knife, which comprises a blade, a blade clamping unit, a hilt, a first locking unit and a second locking unit. The blade is arranged in the blade clamping unit, the blade clamping unit is arranged at the front of the hilt, the first locking unit is disposed at the front of the hilt, and the second locking unit is arranged in the middle of the hilt. Compared with the prior art, the three-key art knife is simple in structure, and is comfortable in holding and fine in hand feeling as coating rubber is arranged on a case. The blade can be replaced fast by the aid of a blade button, a case lock can be unlocked fast, so that a new blade can be replaced, a plurality of blades are concealed in the hilt, and the three-key art knife is convenient in use.

Description

A kind of triple bond art designing cutter

Technical field

The utility model relates to a kind of cutter, especially relates to a kind of triple bond art designing cutter.

Background technology

Cutter can be divided into stationery type and industrial two classes substantially, wherein the stationery type belongs to the office or the students' supplies of cutting paper, blade is a strip, be carved with a plurality of equidistant straight burrs on it, so that behind the front end insert tip blunt on rag position foremost the insert tip of switch out blunt, the sharp tip of next blade is continuous to be used thereby cause, the whole piece blade is with finishing replaceable new strip blade, but switch out and replacing process must be with people's hand operateds, accidentally, easy incised wound finger, and in the switch out process blade of blunt or can damage by fly bomb, the blade of the blunt of dealing with improperly and discarding also causes accident easily, and is especially dangerous for the pupil.

Prior art provides the cutter of built-in polylith blade with replacing, but increases the volume and the weight of cutter, is unfavorable for its essential characteristic as handheld tool.And it all is with people's hand operated that most blade is replaced, the security deficiency.Though prior art has some to replace blade automatically, structure is complicated, be comprised of multiple members, and the production cost height, the volume and the weight of cutter are bigger, use inconveniently, and the blade that discards blunt still must people's hand operated, safety inadequately.

For realizing that knife storing box can movable being buckled on the blade, the general device that between knife storing box and blade, is provided with the movable plug of a kind of Gong knife storing box that cooperatively interacts, existing a kind of cutter, include blade, knife storing box, locking key, wherein knife storing box is inserted in the slot of blade from back to front, locking key is embedded at the knife storing box rear portion and knife storing box is up and down relatively, and the below of locking key also is provided with a pin to the side protrusion, be provided with a spring between its afterbody and knife storing box, the contact-making surface of this locking key and pin all is the inclined-plane, and the sidewall after the corresponding pin of blade is provided with the shrinkage pool that a side direction is protruded.When knife storing box and blade are fastened togather, spring reset, shrinkage pool and pin head are overlapped and are made shrinkage pool just in time can prop up pin; When needs are extracted knife storing box, press locking key, the contact-making surface of locking key and pin interacts and makes pin laterally movable inward, and the pin head shrinkage pool of just getting along well overlaps, thus knife storing box just can be extracted outside the blade.There is following shortcoming in the storage blade type cutter of this structure: first, it is to convert cross force by the vertical force that acts on the locking key to by the inclined-plane, thereby make pin do horizontal activity, but there is certain coefficient of friction between locking key and pin, to must overcome this frictional force by mobile pin, so just pushing of locking key relatively required great effort; The second, cutter is made material and is generally adopted plastics, exerts oneself the damage of breaking easily between locking key and pin frequently mutually; The 3rd, spring is installed between the afterbody and knife storing box of pin, because of it is exposed outside, in use deviate from easily, and spring is to rely on the deduction of the flange at pin middle part and knife storing box and fix, and assembles also cumbersomely, and has increased the manufacture difficulty of pin.As improvement, a kind of storage blade type cutter has appearred in the prior art, the patent No. is ZL200720192899.7, this patent is by the improvement to locking key, realized that the convenient of blade picks and places, still, the dismounting that more employing locking key or locking mechanism are realized Storage Box, and most comparatively loaded down with trivial details with locking key or locking mechanism complex structure, parts, processing and moulding bring certain difficulty.

Summary of the invention

The purpose of this utility model is exactly to provide a kind of triple bond art designing cutter simple in structure, easy to use for the defective that overcomes above-mentioned prior art existence.

The purpose of this utility model can be achieved through the following technical solutions:

A kind of triple bond art designing cutter, it is characterized in that, this cutter comprises that blade, blade card establish unit, handle of a knife, first lock cell and second lock cell, described blade is located at the blade card and establishes in the unit, described blade card is established the front portion that the unit is located at handle of a knife, described first lock cell is located at the handle of a knife front portion, and described second lock cell is located at the handle of a knife middle part.

Described blade is a trapezoidal blade, and this trapezoidal blade top is provided with two semicircle locating grooves, is fastened on the blade card and establishes in the unit, establishes the unit through the blade card and is connected with handle of a knife.

Described blade card is established the blade bearing that the unit is a parallelogram shape, the front side on blade bearing top is provided with a draw-in groove that tilts, blade pintle hook lock spring is set in this draw-in groove, blade pintle hook lock spring top is provided with the stuck point that card is established blade, the rear side on blade bearing top is provided with a vertical draw-in groove, set out knife-like switch in the draw-in groove, the middle part of blade bearing is connected with blade lock button return spring through screw.

Described to go out knife-like switch be T shape structure, and the bottom is arranged with out the knife-like switch spring, and the top that goes out knife-like switch protrudes in the top of blade bearing, and the bottom is fastened in vertical draw-in groove on the blade bearing.

Described handle of a knife is connected to form through screw by left casing and right casing, is provided with the casing stage clip between left casing and the right casing, and the outside of left casing and right casing is wrapped respectively and is provided with left cabinet cover and right cabinet cover.

The triangle through hole is offered in described left casing front portion, and trapezoidal hole is offered at the middle part, and left cabinet cover middle part is provided with trapezoidal groove.

Described first lock cell is a blade lock button, is connected in the triangle through hole of left casing front portion, and the top is connected with blade lock button return spring, and this lock button return spring is for making the automatically reset strip elastic sheet metal of blade lock button.

Described second lock cell comprises casing lock spring, casing lock push button and casing pintle hook lock spring, described casing lock push button is made of trapezoidal tapered end and locking bar, described trapezoidal tapered end is fastened in the trapezoidal groove at left cabinet cover middle part, described casing pintle hook lock spring is located at the front side of casing lock push button locking bar, described casing lock spring housing is located on the locking bar, the front end of this locking bar is offered a draw-in groove, with the trapezoidal hole clamping at left casing middle part.

Described right casing inboard is provided with the blade warehouse that tiltable is placed blade, made things convenient for blade to extract out.

Compared with prior art, the utility model is simple in structure, and casing band encapsulate grips comfortablely, and good hand touch uses the blade button can exchange blade fast for, thus the casing lock can open fast and more renew blade, the built-in multi-disc blade of handle of a knife, easy to use.

Description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is a decomposition texture schematic diagram of the present utility model;

Fig. 3 is the partial structurtes schematic diagram of blade bearing;

Fig. 4 is the partial structurtes schematic diagram of left casing.

Among the figure 1 for right cabinet cover, 2 to lock push button, 15 for casing lock spring, 14 for casing for left cabinet cover, 13 for blade lock button, 12 for left casing, 11 for blade lock button return spring, 10 for screw, 9 for blade pintle hook lock spring, 8 for blade bearing, 7 for trapezoidal blade, 6 for right casing, 5 be that casing pintle hook lock spring, 16 is that casing stage clip, 17 is the blade warehouse in order to go out knife-like switch spring, 4 in order to go out knife-like switch, 3.

The specific embodiment

Below in conjunction with the drawings and specific embodiments the utility model is elaborated.

Embodiment

A kind of triple bond art designing cutter, its structure is shown in Fig. 1～4, this cutter comprises that blade, blade card establish unit, handle of a knife, first lock cell and second lock cell, blade is located at the blade card and establishes in the unit, the blade card is established the front portion that the unit is located at handle of a knife, first lock cell is located at the handle of a knife front portion, and second lock cell is located at the handle of a knife middle part.

Wherein, blade is a trapezoidal blade 5, the top is provided with two semicircle locating grooves, being fastened on the blade card establishes in the unit, establishing the unit through the blade card is connected with handle of a knife, the blade card is established the blade bearing 6 that the unit is a parallelogram shape, the front side on blade bearing 6 tops is provided with a draw-in groove that tilts, blade pintle hook lock spring 7 is set in this draw-in groove, the top of blade pintle hook lock spring 7 is provided with the stuck point that card is established blade, the rear side on blade bearing 6 tops is provided with a vertical draw-in groove, sets out knife-like switch 2 in the draw-in groove, and the middle part of blade bearing 6 is connected with blade lock button return spring 9 through screw 8.

The knife-like switch 2 that goes out that uses is T shape structure, and the bottom is arranged with out knife-like switch spring 3, and the top that goes out knife-like switch 2 protrudes in the top of blade bearing 5, and the bottom is fastened in vertical draw-in groove on the blade bearing 5.

Handle of a knife is connected to form through screw by left casing 10 and right casing 4, is provided with casing stage clip 16 between left casing 10 and the right casing 4, and the outside of left casing 10 and right casing 4 is wrapped respectively and is provided with left cabinet cover 12 and right cabinet cover 1.The triangle through hole is offered in the front portion of left side casing 10, and trapezoidal hole is offered at the middle part, and the middle part of left cabinet cover 12 is provided with trapezoidal groove, and right casing 4 inboards are provided with the blade warehouse 17 that tiltable is placed blade, made things convenient for blade to extract out.

First lock cell is a blade lock button 11, is connected in the triangle through hole of left casing 10 front portions, and the top is connected with blade lock button return spring 9, and this lock button return spring 9 is for making blade lock button 11 automatically reset strip elastic sheet metals.Second lock cell comprises casing lock spring 13, casing lock push button 14 and casing pintle hook lock spring 15, casing lock push button 14 is made of trapezoidal tapered end and locking bar, trapezoidal tapered end is fastened in the trapezoidal groove at left cabinet cover 12 middle parts, casing pintle hook lock spring 15 is located at the front side of casing lock push button 14 locking bars, casing lock spring 13 is set on the locking bar, the front end of this locking bar is offered a draw-in groove, with the trapezoidal hole clamping at left casing 10 middle parts.

During use, blade pintle hook lock spring 7 is pressed together after being installed in the jump ring groove of blade bearing, downward push type broach mortice lock button 11, blade lock button 11 can be released on the blade jump rings 7 stuck point and make the blade release, unclamps finger back blade lock button 11 at self-return under the effect of blade lock button return spring 9 (blade time pin blade).

Claims

1. triple bond art designing cutter, it is characterized in that, this cutter comprises that blade, blade card establish unit, handle of a knife, first lock cell and second lock cell, described blade is located at the blade card and establishes in the unit, described blade card is established the front portion that the unit is located at handle of a knife, described first lock cell is located at the handle of a knife front portion, and described second lock cell is located at the handle of a knife middle part.

2. a kind of triple bond art designing cutter according to claim 1, it is characterized in that described blade is trapezoidal blade (5), this trapezoidal blade (5) top is provided with two semicircle locating grooves, be fastened on the blade card and establish in the unit, establish the unit through the blade card and be connected with handle of a knife.

3. a kind of triple bond art designing cutter according to claim 1, it is characterized in that, described blade card is established the blade bearing that the unit is a parallelogram shape (6), the front side on blade bearing (6) top is provided with a draw-in groove that tilts, blade pintle hook lock spring (7) is set in this draw-in groove, blade pintle hook lock spring (7) top is provided with the stuck point that card is established blade, the rear side on blade bearing (6) top is provided with a vertical draw-in groove, set out knife-like switch (2) in the draw-in groove, the middle part of blade bearing (6) is connected with blade lock button return spring (9) through screw (8).

4. a kind of triple bond art designing cutter according to claim 3, it is characterized in that, it is described that to go out knife-like switch (2) be T shape structure, the bottom is arranged with out knife-like switch spring (3), the top that goes out knife-like switch (2) protrudes in the top of blade bearing (5), and the bottom is fastened in vertical draw-in groove on the blade bearing (5).

5. a kind of triple bond art designing cutter according to claim 1, it is characterized in that, described handle of a knife is connected to form through screw by left casing (10) and right casing (4), be provided with casing stage clip (16) between left side casing (10) and the right casing (4), the outside of left casing (10) and right casing (4) is wrapped respectively and is provided with left cabinet cover (12) and right cabinet cover (1).

6. a kind of triple bond art designing cutter according to claim 5 is characterized in that the triangle through hole is offered in described left casing (10) front portion, and trapezoidal hole is offered at the middle part, and left cabinet cover (12) middle part is provided with trapezoidal groove.

7. a kind of triple bond art designing cutter according to claim 1, it is characterized in that, described first lock cell is a blade lock button (11), be connected in the anterior triangle through hole of left casing (10), the top is connected with blade lock button return spring (9), and this lock button return spring (9) is for making the automatically reset strip elastic sheet metal of blade lock button (11).

8. a kind of triple bond art designing cutter according to claim 1, it is characterized in that, described second lock cell comprises casing lock spring (13), casing lock push button (14) and casing pintle hook lock spring (15), described casing lock push button (14) is made of trapezoidal tapered end and locking bar, described trapezoidal tapered end is fastened in the trapezoidal groove at left cabinet cover (12) middle part, described casing pintle hook lock spring (15) is located at the front side of casing lock push button (14) locking bar, described casing lock spring (13) is set on the locking bar, the front end of this locking bar is offered a draw-in groove, with the trapezoidal hole clamping at left casing (10) middle part.

9. a kind of triple bond art designing cutter according to claim 5 is characterized in that, described right casing (4) inboard is provided with the blade warehouse (17) that tiltable is placed blade, made things convenient for blade to extract out.