CN2707443Y - Cutting knife - Google Patents

Abstract

The utility model discloses a cutting knife, comprising a tool shank, a tool apron and a blade. The tool shank and the tool apron are connected by a fixed device, the blade is actively connected on the tool apron, a groovy lock sheet for locking the blade is arranged on the tool apron and arranged on one end of the tool apron, and a connecting device is arranged on one end of the lock sheet, which is connected with the tool apron. A slot is arranged on the tool apron to contain the blade, a positioning device is arranged on the back of the blade, which is at least one break and hump, or one break and hump, and the hump or break are arranged on the tool apron, which is opposite to the break or hump on the blade. The utility model adopts the lock sheet to fix the blade, which is simple and compact in structure and easy to change the blade.

Description

A kind of cutting knife

Technical field

The utility model relates to five metals cutter class and makes the field, is a kind of cutting knife specifically.

Background technology

Cutting knife is a cutting tool relatively more commonly used, generally is used for the cutting of paper, cloth, plastic or other material.Show the cutting knife of selling in the city at present and generally be made up of handle of a knife, tool rest and blade, tool rest is connected on the handle of a knife, and blade is movably arranged on the positioner on the tool rest.The patent No. also once occurring is that 0323149.0 invention and created name is a kind of patent documentation of combined type cutting knife, the document has pointed out to be provided with a loam cake and a locking plate on tool rest, the two uses the fastening blade of ability simultaneously, this structure is too complicated, to dismantle down loam cake and locking plate simultaneously when changing blade, very trouble.

Summary of the invention

The purpose of this utility model is the above-mentioned shortcoming that overcomes present technology, and a kind of cutting knife simple in structure, energy easy disassembly blade is provided.

The utility model can be realized in the following manner.

A kind of cutting knife comprises handle of a knife, tool rest and blade, and handle of a knife is connected by fixture with tool rest, and blade is movably connected on the tool rest, and a locking plate that is used to lock blade also is set on the tool rest, and described locking plate is arranged on arbitrary end of tool rest.

Described locking plate is the groove shape, and this locking plate one end is provided with the jockey that is connected with tool rest.

Tool rest is provided with a groove position, and this groove position is used to put blade; The blade knife back is provided with a location device, and described positioner be at least one breach or protruding or breach or projection, and tool rest is being provided with breach or the projection that matches with blade breach or protruding corresponding section.

Described breach or protruding quantity are two.

The utility model has following advantage than prior art.

The utility model adopts locking plate to fix blade, makes structure obviously simple, and compact conformation can be changed blade extremely easily.

Description of drawings

Accompanying drawing 1 is the utility model structure exploded perspective view;

Accompanying drawing 2 is the utility model locking plate structural representation;

Accompanying drawing 3 is the utility model assembled state schematic diagram.

The specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

As shown in Figure 1, the utility model comprises handle of a knife 1, tool rest 2 and blade 3, handle of a knife 1 and tool rest 2 are connected by fixture, blade 3 is movably connected on the tool rest 2, one locking plate 4 that is used to lock blade 3 also is set on the tool rest 2, described locking plate 4 is arranged on tool rest 2 near on handle of a knife 1 and the end away from knife-blade, as shown in Figure 3.

As shown in Figure 2, locking plate 4 is the groove shape, and locking plate 4 one ends are provided with the jockey that is connected with tool rest 2.

Tool rest 2 is provided with a groove position 21, and this groove position is used to put blade 3, and blade 3 knife back are provided with a location device 31, and this positioner 31 is two breach, and tool rest groove position 21 is being provided with two breach that match with blade breach 31 corresponding sections.

The utility model adopts locking plate to fix blade, makes structure obviously simple, and compact conformation can be changed blade extremely easily.

Claims (6)

1, a kind of cutting knife, comprise handle of a knife (1), tool rest (2) and blade (3), handle of a knife (1) is connected by fixture with tool rest (2), blade (3) is movably connected on the tool rest (2), one locking plate (4) that is used to lock blade (3) also is set on the tool rest (2), and it is characterized in that: described locking plate (4) is arranged on arbitrary end of tool rest (2).

2, cutting knife according to claim 1 is characterized in that: locking plate (4) is the groove shape, and locking plate (4) one ends are provided with the jockey that is connected with tool rest (2).

3, cutting knife according to claim 1 is characterized in that: tool rest (2) is provided with a groove position (21) that is used to put blade (3).

4, cutting knife according to claim 1 is characterized in that: blade (3) knife back is provided with a location device (31).

5, cutting knife according to claim 4 is characterized in that: positioner (31) is at least one breach or projection, and tool rest groove position (21) is being provided with breach or the projection that matches with blade breach or projection (31) corresponding section.

6, cutting knife according to claim 5 is characterized in that: the quantity of breach or projection is two.

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