CN202607688U

CN202607688U - Practical tool with tool changer

Info

Publication number: CN202607688U
Application number: CN 201220316389
Authority: CN
Inventors: 石振华
Original assignee: Hangzhou Great Star Industrial Co Ltd
Current assignee: Hangzhou Great Star Industrial Co Ltd
Priority date: 2012-06-28
Filing date: 2012-06-28
Publication date: 2012-12-19
Anticipated expiration: 2022-06-28

Abstract

The utility model discloses a practical tool with a tool changer and belongs to manual tools. The existing practical tool is large in tool bit thickness and wastes materials, and a spare blade can not be assembled onto a tool rest from the tool changer automatically. The practical tool comprises a tool handle and a tool bit assembled with the tool handle. A telescopic tool rest is assembled in the tool bit, and a blade is assembled on the tool rest. The practical tool is characterized in that the tool changer arranged on one side of the tool rest is arranged in the tool bit, a storage portion is arranged in the tool changer, and the shape of the storage portion is matched with that of the blade. The tool changer and the tool rest are arranged in the tool bit in juxtaposed mode so as to provide structural support for the spare blade to be assembled onto the tool rest automatically. A tool bit structure is not required to provide a cover plate capable of being opened and used for replacing the blade, so that the thickness of the tool bit is reduced, and the materials are saved.

Description

The replaceable blade utility knife of band tool magazine

Technical field

The utility model belongs to hand-operated tools, specifically is a kind of replaceable blade utility knife with tool magazine.

Background technology

The replaceable blade utility knife of existing common structure has two kinds; A kind of is flexible cutter, promptly in handle of a knife, assembles scalable knife rest, blades on the knife rest; Through flexible knife rest blade is stretched out during use or withdraw; For the ease of changing blade, tool magazine is set on handle of a knife, in tool magazine, settle spare blade; So that subsequent use blade can be assemblied on the knife rest automatically after telescopic blade is taken off; ZL02266103.4 number Chinese utility model patent (Granted publication number be CN2593983Y) " cutter of automatic tool changer " that discloses promptly belongs to the replaceable blade utility knife of this spline structure, and its spare blade is placed in the protecgulum cavity, blade automatically a slice a slice release supply transposing use, easy to use, transposing is rapid; Another kind is a jackknife, and it is to assemble rotating cutter head at handle of a knife through pivot, and blades on the cutter head can be with cutter head folding or expansion together with blade through rotation blade, and the replaceable blade utility knife of this spline structure does not have spare blade, therefore is not easy to change blade.And the replaceable blade utility knife (as previously mentioned) of existing stretching structure form; Because of all needing to open cover plate from the side of handle of a knife, its tool magazine (also have cry cutter box, cutter storehouse) just can take spare blade; Therefore when being applied to the tool magazine of this version on the cutter head of jackknife, certainly will increasing the thickness of cutter head, and then increase the thickness of handle of a knife; And the cover plate that is positioned at the side will influence cutter head folding to handle of a knife.

The utility model content

The technical problem that the utility model will solve and the technical assignment of proposition are to overcome that the cutter head thickness of existing replaceable blade utility knife is big, waste material, be difficult to realize that spare blade is assembled to the defective on the knife rest automatically from tool magazine, and the replaceable blade utility knife of band tool magazine in a kind of cutter head is provided.

For achieving the above object; The replaceable blade utility knife of the band tool magazine of the utility model comprise handle of a knife, with the cutter head of handle of a knife assembling; The telescopic knife rest of assembling in the cutter head; Blades on the knife rest is characterized in that: be set in the tool magazine of a side of said knife rest in the described cutter head, described tool magazine has the storage part that adapts with blade shapes.

As the optimization technique means, have opening on the described cutter head, described tool magazine is assemblied on the described cutter head and corresponding described opening through bearing pin is rotating.

As the optimization technique means, on handle of a knife, the belly of said handle of a knife has the accommodating groove that is used to take in said cutter head to described cutter head through pivotal connection.Further: described handle of a knife is provided with circular-arc groove; Described circular-arc groove is the center of circle with the center of said pivot; The edge of circular-arc groove is provided with breach, establishes a slide block by described knife rest shake-up in the described cutter head, and described slide block is provided with the protuberance that is positioned at said circular-arc groove.Effect has elastic component and the elastic force of said flexible member remains on described protuberance in the described breach on described slide block.Described slide block can be located in the described cutter head slidingly back and forth, and described protuberance is corresponding described breach when described cutter head launches.Described slide block connects two parallel edges that can in described cutter head, slide by arcus part and constitutes; Concrete, described protuberance is positioned at described arcus part.The setting of this structure is to return to cutter head bottom (near pivot) in order to guarantee to have only when knife rest; This moment, blade was in the cutter head fully; The cutter head that just can overturn is folding to handle of a knife with it; Prevent that on the one hand cutter head from possibly damage the people owing to blade exposes, and also can further shorten the length of handle of a knife, on the other hand with the purpose that reaches economical with materials, reduces cost in folding process of taking in.

As the optimization technique means, described cutter head can before and after slide be assemblied in the described handle of a knife.

As the optimization technique means, the belly of said handle of a knife is offered window.

The beneficial effect of the utility model is:

1. tool magazine and knife rest are set up in parallel in cutter head, for realizing that spare blade is assembled to knife rest automatically from tool magazine structural support is provided;

2. cutter head structure need not be provided for changing the openable cover plate of blade, so the thickness of this cutter head is able to reduce economical with materials;

3. thereby the further thickness that reduces handle of a knife owing to cutter head thickness also can correspondingly reduce.

Description of drawings

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

Fig. 2 is that A-A among Fig. 1 is to cutaway view;

Fig. 3 is that B-B among Fig. 2 is to cutaway view;

Fig. 4 is that C-C among Fig. 2 is to cutaway view;

Fig. 5 is that structure shown in Figure 1 is with the sketch map in the blade indentation cutter head;

Fig. 6 is that D-D among Fig. 5 is to cutaway view;

Fig. 7 is that E-E among Fig. 6 is to cutaway view;

Fig. 8 is that F-F among Fig. 6 is to cutaway view;

Fig. 9 is in the structure blade indentation cutter head shown in Figure 1 and the sketch map that cutter head is folding;

Figure 10 is the partial sectional view of cutter head shown in Figure 1;

Figure 11 is that G-G among Figure 10 is to cutaway view Amplified image;

Figure 12 is the sketch map of cutter head shown in Figure 1;

Figure 13 is that H-H among Figure 12 is to cutaway view Amplified image;

Figure 14 is the sketch map of cutter head shown in Figure 1 with the blade indentation;

Figure 15 is that I-I among Figure 14 is to cutaway view Amplified image;

Figure 16 is that J-J among Figure 14 is to cutaway view;

Figure 17 is the sketch map that cutter head shown in Figure 1 flips out tool magazine;

Figure 18 is the assembly relation sketch map of cutter head shown in Figure 1;

Figure 19 is the another kind of structural representation of the utility model;

Label declaration among the figure: 1-handle of a knife, 2-cutter head, 3-knife rest, 4-blade, 5-tool magazine, 6-storage part; The 7-bearing pin, 8-pivot, the circular-arc groove of 9-, 10-breach, 11-slide block, 12-protuberance; The 13-arcus part, 14-parallel edges, 15-flexible member, 16-button, 17-blade lock.

The specific embodiment

Below in conjunction with Figure of description the utility model is further specified.

The replaceable blade utility knife of the band tool magazine of the utility model; Like Fig. 1-18, shown in Figure 19; It comprises handle of a knife 1, with the cutter head 2 of handle of a knife 1 assembling, the telescopic knife rest 3 of assembling in the cutter head 2, blades 4 on the knife rest 3; Be set in the tool magazine 5 of a side of knife rest 3 in the cutter head 2, tool magazine 5 has the storage part 6 that adapts with blade shapes.This cutter head structure need not be provided for changing the openable cover plate of blade, so the thickness of this cutter head is able to reduce economical with materials; And tool magazine and knife rest are set up in parallel in cutter head, for realizing that spare blade is assembled to knife rest automatically from tool magazine structural support is provided; Realization can be used prior art with blade from the structure that tool magazine is assembled on the knife rest automatically; As Figure 11, Figure 13, shown in Figure 15 be blade lock 17 to be pushed open through pushing button 16, extract blade, the spare blade on the tool magazine can get into knife rest (as suppressing through spring or magnet steel absorption) automatically; Extract release button behind the blade, make the blade lock reset and get final product.

Further, have opening on the cutter head 2, tool magazine 5 is assemblied on the cutter head 1 and corresponding opening through bearing pin 7 is rotating, so that tool magazine is rotated in cutter head, deposits, takes spare blade.

Embodiment 1

A kind of version as cutter head and handle of a knife assembling: shown in Fig. 1-9, cutter head 2 is connected on the handle of a knife 1 through pivot 8, and the belly of handle of a knife 1 has the accommodating groove that is used to take in cutter head, thereby can the cutter head upset be folded to accommodating groove as shown in Figure 9.

Further, handle of a knife 1 is provided with circular-arc groove 9, and circular-arc groove 9 is the center of circle with the center of pivot 8, and the edge of circular-arc groove 9 is provided with breach 10, establishes a slide block 11 by the knife rest shake-up in the cutter head 1, and slide block 11 is provided with the protuberance 12 that is positioned at circular-arc groove 9.Circular-arc groove is that the rotation of protuberance provides the space, and breach is used for positioning salient, and then the cutter head location is forbidden rotating.Then: on slide block 11 effect have elastic component 15 and the elastic force of flexible member 15 protuberance 12 is remained in the breach 10; Slide block 11 can be located in the cutter head slidingly back and forth, and protuberance 12 is corresponding breach 10 when cutter head 2 launches, and therefore, the slip (during indentation) through knife rest 3 promotes slide block 11 and moves, and makes protuberance 12 deviate from breach 10 so that folding cutter head; Slide block 11 connects two parallel edges that can in cutter head, slide 14 by arcus part 13 and constitutes, and protuberance 12 is positioned at arcus part, this compact conformation, flexible movements.

Embodiment 2

As the another kind of version of cutter head and handle of a knife assembling, shown in figure 19, cutter head 2 can before and after slide be assemblied in the handle of a knife 1, when cutter head is stretched out in handle of a knife, can tool magazine be produced from cutter head and be used to pick and place spare blade.Further, the belly of handle of a knife is offered window, is used to pick and place spare blade so that through this window tool magazine is produced from cutter head with in the cutter head indentation handle of a knife time.

Claims

1. be with the replaceable blade utility knife of tool magazine; Comprise handle of a knife (1), with the cutter head (2) of handle of a knife (1) assembling; Assembling telescopic knife rest (3) in the cutter head (2); Knife rest (3) is gone up blades (4), and it is characterized in that: be set in the tool magazine (5) of a side of said knife rest (3) in the described cutter head (2), described tool magazine (5) has the storage part (6) that adapts with blade shapes.

2. the replaceable blade utility knife of band tool magazine according to claim 1 is characterized in that: described cutter head has opening on (2), and described tool magazine (5) is gone up and corresponding described opening through the rotating described cutter head (2) that is assemblied in of bearing pin (7).

3. the replaceable blade utility knife of band tool magazine according to claim 1 is characterized in that: described cutter head (2) is connected on the handle of a knife (1) through pivot (8), and the belly of said handle of a knife (1) has the accommodating groove that is used to take in said cutter head.

4. the replaceable blade utility knife of band tool magazine according to claim 3; It is characterized in that: described handle of a knife (1) is provided with circular-arc groove (9); Described circular-arc groove (9) is the center of circle with the center of said pivot (7); The edge of circular-arc groove (9) is provided with breach (10), establishes a slide block (11) by described knife rest (3) shake-up in the described cutter head (2), and described slide block (11) is provided with the protuberance (12) that is positioned at said circular-arc groove (9).

5. the replaceable blade utility knife of band tool magazine according to claim 4 is characterized in that: have elastic component (15) and the elastic force of said flexible member (15) remains on described protuberance (12) in the described breach (10) in described slide block (11) effect of going up.

6. the replaceable blade utility knife of band tool magazine according to claim 4 is characterized in that: described slide block (11) can be located in the described cutter head (2) slidingly back and forth, and described protuberance (12) is corresponding described breach (10) when described cutter head (2) launches.

7. the replaceable blade utility knife of band tool magazine according to claim 4 is characterized in that: described slide block (11) connects two parallel edges (14) that can in described cutter head, slide by arcus part (13) and constitutes.

8. the replaceable blade utility knife of band tool magazine according to claim 7 is characterized in that: described protuberance (12) is positioned at described arcus part (13).

9. the replaceable blade utility knife of band tool magazine according to claim 1 is characterized in that: described cutter head (2) can before and after slide be assemblied in the described handle of a knife (1).

10. the replaceable blade utility knife of band tool magazine according to claim 1 is characterized in that: the belly of said handle of a knife is offered window.