CN87214748U

CN87214748U - Paper cutting knife

Info

Publication number: CN87214748U
Application number: CN 87214748
Authority: CN
Inventors: 胡皎瑜
Original assignee: Individual
Current assignee: Individual
Priority date: 1987-10-27
Filing date: 1987-10-27
Publication date: 1988-08-10

Abstract

The paper cutting knife of the utility model is composed of a knife holder, a handle and a knife blade, which has simple structure and convenient operation. The time and labor can be saved by using the paper cutting knife, and the utility model has the outstanding advantages that the paper cut has no need to fold, the cutting target is easy to find, and the accuracy is high. The paper cutting knife not only can cut straight lines, but also can cut polygon whose head and tail are connected with each other. The cuts of the paper are neat and tidy as the same when the users cut multilayer paper simultaneously, and the users can cut the paper with required length according to the length reticles on the paper cutting knife.

Description

Paper cutting knife

The utility model relates to a kind of paper-ripping cutter, belongs to cultural goods.

In the routine work, in order to reach the purpose that paper is divided into two, often use paper knife, operate on for a short time or the instrument of the band cutting edge that other metal material is made is realized, with time-consuming, the trouble of this class instrument cutting paper, and difficulty reaches desirable requirement.

Human unusable paper with a long history, the scope of application is very wide, and a large amount of form of all trades and professions, ticket, receipt etc. require the end user to cut certain a part of paper in accordance with regulations.It is undesirable that above-mentioned Qie cuts Gong Ju And, cut purpose sometimes and place restrictions on.Someone utilizes the ruler of various materials or sheet metal, bamboo chip to replace cutting tool, and the trimming of being cut is rough, not neat, and cannot say for sure to demonstrate,prove split requirement, even damages required part.

The purpose of this utility model provides a kind of paper-ripping cutter simply and easily.The main points of this utility model are the paper-ripping cutters that the inventor creates, its structure and using method and above-mentioned cutting tool are completely different, use it to cut paper, do not need folded sheet, very easily find the cutting target accurately, efficient height, accuracy height, the paper formation, the otch that are cut are neat and barren, straight cuts can not only be made, and various end to end polygons can be cut.

Below in conjunction with accompanying drawing utility model is done detailed explanation:

Fig. 1 is an external form schematic diagram of the present utility model.

Fig. 2 is a structural representation of the present utility model.

Fig. 3 is the part lines example that the utility model can cut.

The utility model is made up of knife rest 1, handgrip 2, blade 3 and hold-down screw 4. Knife rest 1 is a rib shape concave body, cross section is the concave trapezoidal shape on no base, the length that is provided with several reinforcements 5, knife rest 1 between two trapezoidal inclined planes is namely made all lengths specification by 64K, 32K, 16K, 8K etc. by international paper unified standard, forms the utility model product line. Handgrip 2 is combined type with knife rest 1, also can be made into one, the A of handgrip 2, B end supplies respectively thumb and middle charge tight, and forefinger is by in the middle of handgrip, and guaranteeing knife rest 1 and being fixed on blade 3 on the knife rest 1 has certain pressure to push down to be torn the paper of cutting, reach to tear and cut purpose, blade 3 is steel material, and a side processes the cutting edge of 20-35 degree, and blade 3 planes are provided with several apertures, corresponding with the screw on the inclined-plane of knife rest 1 dress blade, with screw 4 blade 3 is fixed on the knife rest 1.

Blade 3 can be fixed in knife rest 1 with the method for bonding or riveted joint, and blade 3 surfaces are adopted and electroplated or chemical treatment, and the methods such as resin or varnish of also can coating are come antirust.

The inclined-plane, both sides of knife rest 1, wherein a side is equipped with blade 3, and the cutting edge identical with blade 3 made on the opposite side base.To make with the millimeter be the graduation mark of unit positive and opposite side surface at blade, and both sides can be torn by surperficial groove and be cut Len req like this.Blade one side is tearable cuts thicker harder paper, and opposite side then tears cuts thinner softer paper.

Inventor of the present utility model has done following enforcement as described above:

Knife rest 1 and handgrip 2 are all made with ABS plastic, both adopt the T8 steel to make with the chloroform one that bonds, blade 3, and cutting edge is 30 degree, with M2 * 5 sphere garden chapiter screws blade 3 is fixed on the knife rest 1, its paper-ripping cutter length is respectively 12 centimetres and 20 centimetres two kinds.

This utility model is simple to operate, and the inventor tears with the paper-ripping cutter of made as described above that to cut paper very convenient, and the cutting tool that uses at present is difficult to compare with it.

Claims

1, a kind of paper-ripping cutter is made up of knife rest, handgrip, blade, it is characterized in that blade is fixed on the side of knife rest, and handgrip is fixed on the top of knife rest.

2, according to right 1 described paper-ripping cutter, it is characterized in that cutting edge is made on the base of knife rest two sides.