CN201224106Y - Cutter knife holder - Google Patents

Abstract

The utility model provides a cutter saddle, comprising a cutter saddle main body. The cutter saddle main body consists of a left cutter saddle plate and a right cutter saddle plate which are connected into a whole body. The cutter saddle is characterized in that the cutter saddle further comprises a cutter locking push key, two cutter locking springs and a cutter saddle cover. A groove is arranged on the cutter saddle main body to hold the cutter locking push key, and the cutter locking push key is arranged in the groove and can move up and down. The two cutter locking springs are respectively arranged in front of and behind the cutter locking push key. The cutter saddle cover is covered on the two cutter locking springs and is fixedly connected with the cutter saddle main body. The cutter saddle is reasonable in design and the cutting blades can be replaced quickly and conveniently. The cutter saddle can be connected with different cutter shanks in different modes after changing the structure of the rear part of the cutter saddle. Therefore, the cutter saddle is wide in application range.

Description

Cutter holder

technical field

The utility model relates to a hand tool, in particular to a cutter holder.

Background technique

Traditional cutting knives are often divided into fixed type, folding type and telescopic type, and are generally used to cut paper, cloth, leather, etc. The retractable cutting knife is generally composed of a handle, a knife holder movably arranged in the handle and a blade installed on the holder. The holder can drive the blade to slide in the handle to extend or retract the blade. The blade installed on the knife holder needs to be replaced after a long time. There are many different replacement methods in the prior art. All kinds of replacement methods are determined by the structure of the knife holder. Different knife holder structures determine the way and Degree of difficulty.

Utility model content

The purpose of this utility model is exactly in order to provide a kind of cutter holder that can replace blade conveniently and quickly.

In order to achieve the above purpose, the utility model adopts the following technical solutions: a cutting knife holder, including a knife holder body which is connected by left and right blade holder pieces, and a groove for inserting a blade is arranged in the knife holder body , which is characterized in that it also includes a lock knife push button, two lock knife springs and a knife holder cover. There is a groove for placing the lock knife push button on the knife holder body. The lock knife push button is set in the groove and can be moved up and down. Move, two lock knife springs are respectively arranged on the front and rear of the lock knife push button, and the knife rest cover is sealed on the two lock knife springs and is fixedly connected with the knife rest body.

The push key of the lock knife includes a push key block arranged in the middle and two lock blocks connected to the front and rear lower parts of the key push block, the outer side of the key push block is provided with push teeth, the size and distance of the two lock blocks are the The two U-shaped notches on the blade are matched, and the two lock blade springs press against the two lock blocks respectively.

The knife rest cover is provided with a gap for setting the knife lock push key, and the knife lock push key can move up and down along the gap.

Compared with the prior art, the utility model cutter holder has the following advantages and characteristics due to the adoption of the above technical scheme:

1. The design is reasonable, and the blade can be replaced very conveniently and quickly.

2. The production cost is low, and it is easy to popularize on a large scale.

3. By changing the structure of the tail of the knife holder, it can be connected with different knife handles in various forms, and has a wide range of uses.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present utility model;

Fig. 2 is a partial three-dimensional structure schematic diagram of the utility model;

Fig. 3 is a three-dimensional structural schematic diagram of the tool rest body in the utility model;

Fig. 4 is a three-dimensional structural schematic diagram of the lock knife push button in the utility model.

Detailed ways

Referring to Fig. 1, Fig. 2 and Fig. 3, the cutting knife holder of the present invention includes a knife holder body 1 connected by left and right blade holder pieces, a lock knife push button 2, two lock knife springs 3 and a knife holder Cover 4.

A cavity for inserting the blade 5 is provided in the tool holder body 1, and a groove 11 for placing the lock knife push key is provided, and the lock knife push key 2 is arranged in the groove 11 to move up and down.

Referring to Fig. 4, the lock knife push key 2 includes a key push block 21 arranged in the middle and two lock blocks 22 connected to the front and rear lower parts of the key push block. Push teeth 211 are provided on the outer side of the key push block. The size and distance of the blocks fit the two U-shaped notches on the blade.

The two lock knife springs 3 respectively press against the front and rear lock blocks 22 of the lock knife push button 2 .

The knife rest cover 4 is capped on two locking knife springs 3 and is fixedly connected with the knife rest body. A notch for setting the knife lock push button is provided on the knife rest cover, and the knife lock push button 2 can move up and down along the notch.

The working principle of the cutting knife rest of the utility model is that when changing the blade, press the lock knife push key with the thumb and move upwards, so that the two lock blocks on the lock knife push key can be released from the two U-shaped notches on the blade. After disengaging, the blade can be taken out, and then insert the new blade into the knife holder and push it inward. Take the thumb away from the lock knife push button, when the two U-shaped notches on the blade and the two lock blocks on the lock knife push button When overlapped, the two lock blocks are inserted downward into the two U-shaped notches of the blade under the action of the two lock blade springs to lock the blade. Because it is locked at two places, the lock is stronger and it is not easy to come out.

Claims (3)

1, a kind of cutting knife knife rest, comprise the tool holder body that fuses by left and right sides knife rest sheet, it is characterized in that: also comprise lock cutter push button, two lock cutter springs and head cap, on tool holder body, be provided with the groove that is used to place lock cutter push button, lock cutter push button is arranged in the groove and can moves up and down, two lock cutter springs are separately positioned on the front and back of lock cutter push button, and head cap is sealed on two lock cutter springs and with tool holder body and is fixedly linked.

2, cutting knife knife rest as claimed in claim 1, it is characterized in that: described lock cutter push button comprises the push button piece in the middle of being arranged on and is connected two lock dogs of this bottom, push button piece front and back, the lateral surface of push button piece is provided with and pushes away tooth, the size and the distance of two lock dogs are suitable with two U type breach on the blade, and described two lock cutter springs are pressed on respectively on two lock dogs.

3, cutting knife knife rest as claimed in claim 1 is characterized in that: described head cap is provided with the breach that is used to be provided with lock cutter push button, and lock cutter push button can move up and down along this breach.

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