CN2250848Y

CN2250848Y - Tool with improved structure

Info

Publication number: CN2250848Y
Application number: CN 96215443
Authority: CN
Inventors: 彭卫平
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-07-19
Filing date: 1996-07-19
Publication date: 1997-04-02
Anticipated expiration: 2006-07-19

Abstract

The utility model belongs to the technical field of the structure design of a small-size tool knife. The utility model is composed of two knife handles, a knife block and a knife blade, wherein, the two knife handles which form the same shape are screwed as a whole; the knife block is embedded between the two knife handles; the center of the knife block is provided with a tongue-shaped sheet, and the end part of the tongue-shaped sheet is provided with a small protrusion; the small protrusion of the tongue-shaped sheet of the knife block just extends out of a hole on the knife blade. Under the condition that other tools are not used, the knife blade of the utility model can be conveniently and quickly replaced, and a spare knife blade is further additionally stored. The structure of a flexible rule can bring convenience for a user and has the function of measurement.

Description

Structure improved guarded blade utility knife

The utility model belongs to the structure-design technique field of small instruments and tools cutter.

Guarded blade utility knife is widely used.The general purpose tool cutter by identical two handle of a knifes 11 of shape and one movably knife rest 12 form, make with plastics or metal usually.Its intermediate slide is embedded on a slice handle of a knife, knife rest is groove structure on one side, another side has several kicks and to be positioned at the shifting bond(s) of handle of a knife top channel, and blade just is embedded in the groove of knife rest for blade part on one side, and the knife back has several grooves that the kick of knife rest is placed in wherein.Blade 14 fixings back two handle of a knifes on knife rest close up uses a screw fixings, and the knife rest that will have blade wraps in wherein.The shifting bond(s) that is connected as a single entity with knife rest stretches out outside two handle of a knifes, promotes shifting bond(s), will make knife rest drive blade and move, and makes a blade part stretch out and can use from the handle leading section.Blade uses a period of time to wear and tear, and needs often to change, and each tool changing sheet all needs with screwdriver with two handle of a knifes separately to take out old blade, changes new blade, two handle of a knifes is closed again, and the screw of screwing on closes two handle of a knifes admittedly.Prepare a screwdriver when taking in actual use.Or the substitute of screwdriver, this brings many troubles to the user, and loses time.

The purpose of this utility model is for overcoming the weak point of existing guarded blade utility knife its structure to be improved, and make it need not change blade quickly and easily under the situation of any instrument, and further spare blade is deposited in increase.And the structure of tape measure, not only make things convenient for the user, but also increased measurement function.

The technical solution of the utility model is to design a kind of structure-improved of guarded blade utility knife, by the identical all-in-one-piece handle of a knife that screws togather of two plate shapes, the blade that is embedded in the saddle among the handle of a knife and is loaded on this knife rest is formed, the plates that said knife rest is formed in one, the one side is connected with one outward and stretches out the outer shifting bond(s) of handle of a knife, it is characterized in that in the middle of the said knife rest tongue-like pieces being arranged, there is a small embossment this tongue-like pieces end, and the small embossment of the knife rest tongue-like pieces just hole from the blade stretches out; On said a slice handle of a knife an elastic button is installed, the lower end of this button just places on the small embossment on the said knife rest, and movable on knife rest for further preventing blade, said knife rest both sides are groove structure, and said blade inserts in the groove of knife rest.

Operation principle of the present utility model is, when the porose blade in centre inserts knife rest, the small embossment of saddle then is inserted in blade can not ejected or pull out, when need tool changing sheet, press elastic button on the handle with have gentle hands, button will descend the pressure knife small embossment, because tongue-like pieces is flexible, small embossment will move down, thereby make blade break away from small embossment, pinch the part of blade outside handle of a knife with hand and pull outward this moment, just can make that blade is whole pulls out, newer blade be inserted in the handle of a knife the openhanded elastic button of opening, then the small embossment on the knife rest inserts in the hole of new blade again, and blade is fixed.

Because blade holder only accounts for the first fraction of shank end space, in the middle of the handle of a knife, afterbody place idle state.For this reason, the novel said a slice handle of a knife of this reality also can have integrated storage blade storehouse, and another sheet handle of a knife has a removable cover with storage blade Cang Xiangduiweizhichu.During the tool changing sheet, can open removable cover, take out standby new blade.Said handle of a knife tail end inside also can be provided with the shape space, garden of one-body molded storing tape measure, and its tail end is opened an osculum, and tape measure head and drag knob are exposed outside the handle of a knife.

This improvement structure of the utility model brings convenience to the user, has not only solved and has changed the worry that blade brings, and has saved the time, also can be used for measurement size, has increased the function of guarded blade utility knife.Therefore has good practical prospect.

Brief Description Of Drawings:

Fig. 1 is a kind of embodiment contour structures schematic diagram of the present utility model.

Fig. 2 is for originally executing in the example last slice handle of a knife internal structure schematic diagram.

Fig. 3 is sheet handle of a knife inside and knife rest, blade, tape measure assembling schematic diagram under the present embodiment.

The utility model is designed a kind of multi-functional guarded blade utility knife embodiment that has, and its structure is described in detail as follows in conjunction with each accompanying drawing as shown in Figure 1-Figure 3:

The present embodiment appearance structure as shown in Figure 1, guarded blade utility knife is a microscler handle of a knife housing 11, shifting bond(s) 31 is arranged at its top, promote to move blade to be stretched out or the housing of withdrawing.There is an elastic button 111 left part of housing 11, presses the button changeable blade, and there are two screws 112,113 at housing middle part with the rear portion, is used to screw togather two handle of a knifes and fixedly places tape measure among the housing.The housing postmedian is a removable cover, and its position is corresponding with the storage blade bin location in it, and the housing afterbody has opening, and the tape measure termination and the tape measure brake key that are placed in the shell are exposed to outside the housing.

Fig. 2 is the internal structure schematic diagram of last slice handle of a knife 11, from left to right is respectively the lesser calorie mouth 114 of elastic button 111 and peg button among the figure, places two ribs 115 of knife rest, storage blade storehouse removable cover 116 and tape measure storehouse 117.Elastic button is made rectangular sheet by elastomeric material, and insert in the little bayonet socket at its two ends, and its two sides, middle part all is connected with Xiao Yuantai, and one of them exposes outside the handle of a knife shell, and another is corresponding with the small embossment position on the knife rest.

Fig. 3 is the assembling schematic diagram of the internal structure of following sheet handle of a knife 12 and knife rest 3, blade 4, tape measure 5.Following sheet handle of a knife 12 is identical with last slice handle of a knife 11 shapes, its inside from left to right is two ribs 121 that support knife rest and the saddle 3 that is placed on it, the shifting bond(s) 31 of knife rest can move in the groove of handle of a knife upper end, the knife rest middle part is a tongue-like pieces 32, having a small embossment 33 can be inserted in the blade hole on the tongue-like pieces fixes blade, there are two grooves 34 the knife rest both sides, blade can only slide along groove (when small embossment 33 is not inserted in the blade hole), the storage blade storehouse 122 of handle of a knife postmedian for constituting by rib all around, spare blade 4 can be put into wherein, the handle of a knife afterbody constitutes tape measure storehouse 123 by garden shape rib, the center is the little cylinder that an internal thread is arranged, tape measure 5 just is nested with wherein, and tape measure head 51 and chi brake key 52 expose outside the handle of a knife.

Above-mentioned two handle of a knifes, knife rest can be integrally formed with plastics or metal sheet, and two handle of a knifes screw togather into a complete housing with two screws, the screw of all need not outwarding winding in the use.The tool changing sheet only need be opened removable cover and take out spare blade, pulls out old blade from the handle of a knife termination, inserts new blade and gets final product.

Claims

1, a kind of structure improved guarded blade utility knife, by the identical all-in-one-piece handle of a knife housing that screws togather of two plate shapes, the blade that is embedded in the saddle among the handle of a knife and is loaded on this knife rest is formed, the plates that said knife rest is formed in one, the one side is connected with one outward and stretches out the outer shifting bond(s) of handle of a knife, it is characterized in that in the middle of the said knife rest tongue-like pieces being arranged, there is a small embossment this tongue-like pieces end, and the said small embossment just hole from the blade stretches out; On said a slice handle of a knife an elastic button is installed, the lower end of this button just places on the small embossment on the said knife rest.

2, structure improved guarded blade utility knife as claimed in claim 1 is characterized in that said knife rest both sides are groove structure, and said blade dual-side inserts wherein.

3, structure improved guarded blade utility knife as claimed in claim 1 is characterized in that said a slice handle of a knife has integrated storage blade storehouse, and another sheet handle of a knife has a removable cover with storage blade Cang Xiangduiweizhichu.

4, structure improved guarded blade utility knife as claimed in claim 1 is characterized in that its tail end of shape space, garden of the inner one-body molded storing tape measure of said handle of a knife tail end is opened an osculum, and tape measure head and drag knob are exposed outside the handle of a knife.