CN2790702Y

CN2790702Y - Blade-dismountable tool

Info

Publication number: CN2790702Y
Application number: CN 200520018321
Authority: CN
Inventors: 陈世添
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-04-27
Filing date: 2005-04-27
Publication date: 2006-06-28
Anticipated expiration: 2015-04-27

Abstract

The utility model discloses a blade-dismountable cutter, which comprises a knife handle, a knife seat and a blade, wherein the knife seat is connected between the knife handle and the blade. The utility model is characterized in that the blade is contained in the knife seat in a dismountable mode through a buckling device. More specially, the buckling device comprises a clamping piece and an elastic piece, wherein the clamping piece is connected to the knife seat by a pivot shaft and the elastic piece is positioned in the knife seat and abuts at one end of the clamping piece. According to the blade-dismountable cutter of the utility model, a blade can be simply, conveniently and quickly dismounted, cutter structure is simple, processing is easy and cost is low.

Description

The cutter of detachable blade

Technical field

The utility model relates to a kind of cutter, particularly a kind of cutter of detachable blade.

Background technology

Traditional guarded blade utility knife all is to be made of blade and handle of a knife usually, and wherein blade can fold in the handle of a knife, and is perhaps not collapsible.No matter be folding guarded blade utility knife or not collapsible guarded blade utility knife, in use for some time, the blade very blunt and inconvenient use that can become, at this moment, for traditional guarded blade utility knife, can only blade carry out sharpening, yet blade is mounted on the handle of a knife, and be non-dismountable, so the sharpening operation is very inconvenient, and the sharpening effect is also not ideal.

For addressing this problem, a kind of " being with a knife changable guarded blade utility knife " disclosed in the Chinese invention patent of Granted publication CN 1098143C, this guarded blade utility knife has a matrix and the lid that can vertically move with respect to matrix, lid can move on to closing position from the enable possition, in closing position, lid with add before it pressure surface with blade leniently side pressure to the blade support binding face of matrix, lid is clamped each supporter of matrix from below with the clamping area in the middle of at least one in its closing position simultaneously, available in addition its moves on the supporting seat of back at position, rear end of front point of a knife dorsad, and removably in closing position, but be contained on the matrix, and removable blade promptly is fixedly clamped between lid and matrix that closure connects locking.Obviously, this knife changable guarded blade utility knife complex structure, the manufacturing cost height, and the operation of replacing blade is also not too convenient.

The Chinese utility model patent of Granted publication CN 2506404Y discloses a kind of " multi-purpose tool cutter ", this multi-purpose tool cutter comprises handle of a knife, be loaded into the tool rest on the handle of a knife, and be loaded into the trapezoidal blade on the tool rest, wherein tool rest can utilize spring leaf to fold in the handle of a knife.And the slit that has a through hole on the tool rest and be used to install blade, wherein can wear a screw in this through hole, and blade is provided with an anchor mouth, change this blade if desired, then screw need be turned on and take down, then cutter is taken out from the slit of tool rest, and if this blade is installed, then at first need blade is inserted in the slit of tool rest, and the anchor mouth on the blade is alignd with through hole on the tool rest, then screw is passed this anchor mouth and opening, and tighten relative position with fixed blade and tool rest.Though the multi-purpose tool cutter that this has disclosed simplifies the structure for the guarded blade utility knife that discloses among the Granted publication CN 1098143C, but, in the process of changing blade, whole screw need be turned on and take down, it is cumbersome, time-consuming to operate, and the screw of backing out is also lost easily.

The utility model content

The technical problems to be solved in the utility model is to overcome the defective that exists in the above-mentioned prior art, provide a kind of can be convenient and the cutter of the detachable blade of removal of inserts apace.

For this reason, the cutter according to detachable blade of the present utility model adopts following technical scheme.

Cutter according to detachable blade of the present utility model comprises handle of a knife, tool rest and blade, and wherein tool rest is connected between handle of a knife and the blade, and the blade that is characterised in that of the present utility model removably is placed in the tool rest by buckling device.Particularly, this buckling device comprises: fastener, and it pivotally is connected on the tool rest; Elastic component is positioned at tool rest, and is resisted against an end of fastener.More specifically, an end that is not resisted against elastic component of this fastener is provided with lift unit.And fastener is provided with first buckling parts, and blade is provided with and corresponding second buckling parts of this first buckling parts, and first and second buckling parts fasten in blade is placed in tool rest the time mutually.

Only need lift this lift unit according to the cutter of detachable blade of the present utility model when the removal of inserts, so that being meshing with each other, first buckling parts and second buckling parts get final product, and when being connected to blade in the tool rest, then need put down lift unit, get final product so that first buckling parts and second buckling parts are meshing with each other.Therefore very convenient rapidly according to the operation of the removal of inserts of the cutter of detachable blade of the present utility model.And the structure according to the cutter of detachable blade of the present utility model is also very simple, and handling ease is with low cost.

Description of drawings

Fig. 1 is the schematic diagram one (open mode) according to the cutter of detachable blade of the present utility model;

Fig. 2 is the schematic diagram two (open mode) according to the cutter of detachable blade of the present utility model;

Fig. 3 is the schematic diagram three (folded state) according to the cutter of detachable blade of the present utility model;

Fig. 4 is the schematic diagram according to fastener of the present utility model;

Fig. 5 is the schematic diagram according to elastic component of the present utility model;

Fig. 6 is the schematic diagram according to buckling device down state of the present utility model; And

Fig. 7 is for lifting the schematic diagram of state according to buckling device of the present utility model.

The specific embodiment

Referring now to accompanying drawing preferred embodiment of the present utility model is described in detail.

See also shown in Figure 1ly, this figure is that wherein cutter 10 is in open mode according to the schematic diagram one of the cutter 10 of detachable blade 40 of the present utility model.This cutter 10 comprises handle of a knife 20, tool rest 30 and blade 40, and tool rest 30 is positioned at the centre of handle of a knife 20 and blade 40, is used to hold blade 40.Among the embodiment shown in Figure 1, blade 40 removably is contained in by buckling device 50 in the tool rest 30.

Again referring to shown in Figure 2, this figure is the schematic diagram two according to the cutter 10 of detachable blade 40 of the present utility model, wherein an end of buckling device 50 is provided with lift unit 52a, this lift unit 52a is a boss in the embodiment shown in Figure 2, in the time of in blade 40 is installed on tool rest 30, this lift unit 52a and tool rest are in the same plane.When the user lifts this lift unit 52a with hand, blade 40 can be extracted out in tool rest 30 by the effect of buckling device 50.Particularly, buckling device 50 comprises fastener 52 and elastic component 54.

Fig. 1 and Fig. 2 all show the cutter 10 of open mode, and this cutter 10 also can be in folded state, and referring to shown in Figure 3, that is, tool rest 30 is collapsible in the handle of a knife 20 together with blade 40.

Fig. 4 shows the fastener 52 according to buckling device 50 of the present utility model.One end of this fastener 52 is provided with lift unit 52a, and this lift unit 52a for example can be the form of boss.And as shown in the figure, also be provided with the connector hole 52c that is used to wear connector 60 on this fastener 52; And also being provided with the first buckling parts 52b on the fastener 52, the first buckling parts 52b shown in the figure is the form of two projections.In addition, on blade 40, also be provided with and the corresponding second buckling parts 42b of this first buckling parts 52b (referring to shown in Figure 7).

Fig. 5 shows the elastic component 54 according to buckling device 50 of the present utility model.As shown in the figure, this elastic component 54 is a stage clip, can produce elastic-restoring force when pushing.

The annexation of above-mentioned fastener 52 and elastic component 54 as shown in Figure 6 and Figure 7, wherein Fig. 6 is the schematic diagram according to the down state of buckling device 50 of the present utility model, Fig. 7 is the schematic diagram according to the state that lifts of buckling device 50 of the present utility model.Fastener 52 pivotally is connected on the tool rest 30 by the connector 60 that passes its connector hole 52c.This connector 60 for example can be screw, pin etc.This elastic component 54 is placed in the elastic component groove 32 that is provided with in the tool rest 30, and is resisted against an end of fastener 52.Wherein the shape of the shape of this elastic component groove 32 and elastic component 54 is complementary, thereby can hold this elastic component 54 just.

Following time of state in blade 40 is contained in tool rest 30, as shown in Figure 6, by elastic component 54 make first buckling parts 52b of buckling piece 52 and the second buckling parts 42b on the blade 40 fasten mutually against power, thereby blade 40 can be fixed in the tool rest 30.When lifting lift unit 52a with hand, as shown in Figure 7, fastener 52 will pivot around connector 60, thereby an end of fastener 52 (being provided with an end of lift unit) lifts, and the relative other end is pushed elastic component 54.At this moment, the second buckling parts 42b on the first buckling parts 52b and the blade 40 is separated from each other, thereby blade 40 can be extracted out from tool rest 30, to carry out sharpening and replacing etc. easily.When unclamping lift unit 52a, the elastic-restoring force by elastic component 54 makes fastener 52 get back to original position once more, that is, and and the first buckling parts 52b and the intermeshing position of the second buckling parts 42b, thereby the position of fixed blade 40 in tool rest 30 once more.Can easily blade 40 be taken out from tool rest 30 and install by repeating said process.

Comprehensively above-mentioned, only need lift lift unit according to the cutter 10 of detachable blade 40 of the present utility model when the removal of inserts 40 and get final product, so the operation of removal of inserts is very convenient rapidly.And the structure of the cutter 10 of detachable blade 40 of the present utility model is also very simple, and handling ease is with low cost.

The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims

1. the cutter of a detachable blade, comprising: handle of a knife, tool rest and blade, wherein said tool rest are connected between described handle of a knife and the described blade, it is characterized in that described blade removably is placed in the described tool rest by buckling device.

2. the cutter of detachable blade according to claim 1 is characterized in that, described buckling device comprises:

Fastener, it pivotally is connected on the described tool rest;

Elastic component is positioned at described tool rest, and is resisted against an end of described fastener.

3. the cutter of detachable blade according to claim 2 is characterized in that, an end that is not resisted against elastic component of described fastener is provided with lift unit.

4. the cutter of detachable blade according to claim 3 is characterized in that, described lift unit is a boss.

5. the cutter of detachable blade according to claim 2, it is characterized in that, described fastener is provided with first buckling parts, described blade is provided with and corresponding second buckling parts of described first buckling parts, and described first and second buckling parts fasten in described blade is placed in described tool rest the time mutually.

6. the cutter of detachable blade according to claim 5 is characterized in that, described first buckling parts is at least one projection, and described second buckling parts is corresponding at least one groove.

7. the cutter of detachable blade according to claim 2 is characterized in that described elastic component is a stage clip, and described stage clip is arranged in the interior elastic component groove of described tool rest.