CN2316098Y - Retractable knife with guard sheath - Google Patents

Abstract

The utility model relates to a manual knife with a sliding knife blade, which is provided with a clamp sheath matched with a knife holder and a knife blade, wherein, the clamp sheath is provided with a button. The cavity wall of the knife holder is provided with a jack which is corresponding to the button and a longitudinal slide groove, and the back end of the knife blade is provided with a transversal pin groove which is matched with a spring pin. An inner cavity of the knife holder is correspondingly provided with a pin opening, and the corresponding point of the spring pin, the jack and the longitudinal sliding groove is provided with a slope opening which can be inserted with the button. The button is inserted into the slope opening, the spring pin is pushed to retreat from the pin opening, the knife blade is driven to retract into the knife holder cavity, and the knife holder is clamped into the clamp sheath. When the clamp sheath and knife holder are mutually pulled away, the button also drives the knife blade to extend out the knife holder cavity, the spring pin is inserted into the pin opening under the action of the elastic force, and the knife blade is fixed and can not be retracted.

Description

The cutting ferrule cutter that stretches

The utility model relates to a kind of hand knife that sliding blade is arranged, and the cutting ferrules such as accessory of the short sheath that matches with handle of a knife or blade, cover, band groove are arranged.

Existing flexible cutter, flexible cutter as CN2100971U number record of on 04 08th, 1992 Chinese utility application specification, it has the adjustable blade that slides, blade is inserted in the inner chamber of handle of a knife, the blade leading portion is with short sheath, and blade rear end, handle of a knife inner chamber are respectively equipped with corresponding pin-and-hole, bullet pin, and the handle of a knife place of pin-and-hole correspondence has chute, and be furnished with push button, push button connects short sheath by bar or chain rope.Be enclosed within the blade leading portion when lacking sheath, push button is pressed into chute and pin-and-hole the bullet pin is released pin-and-hole, promotes push button and slides and with blade retraction handle of a knife inner chamber, short sheath and handle of a knife front end connect at chute.Can be provided with pintle hook lock between short sheath and the handle of a knife.

The purpose of this utility model provides a kind of can being grouped together with other parts, and at the flexible cutter that makes up or separating process is shunk blade or stretch out.

The cutting ferrule of the present utility model cutter that stretches, handle of a knife is arranged, the handle of a knife inner chamber is inserted with the blade that slides movingly, with the cutting ferrule that handle of a knife and blade cooperate, cutting ferrule has push button, and the chamber cornice of handle of a knife has jack and vertical chute of corresponding push button, it is characterized in that: the rearward end of blade has horizontal cotter way, cotter way is furnished with spring catch, and handle of a knife inner chamber leading portion wall correspondence has lock-joint, and spring catch and jack and vertical chute corresponding position are provided with the beveled mouth that can insert push button.The push button of cutting ferrule inserts the jack of handle of a knife chamber wall and the beveled mouth of spring catch, and push button promotes spring catch along beveled mouth and withdraws from from lock-joint.Promote handle of a knife and cutting ferrule and push button relatively, push button slides along the chute of handle of a knife, drives in the blade retraction handle of a knife chamber, and handle of a knife snaps in cutting ferrule.When cutting ferrule and handle of a knife draw back mutually, the push button of cutting ferrule drives blade by spring catch again and stretches out the handle of a knife chamber, and push button withdraws from from beveled mouth and jack under cutting ferrule drives at last, and cutting ferrule separates with handle of a knife, spring catch inserts lock-joint under the elastic force effect, blade is fixed and can not be return.Cutting ferrule is card or the cover (sheath) with handle of a knife and blade clamping or socket, as short sheath or have the clamp of groove.Cutting ferrule is preferably belt lacer, and belt lacer has the groove that can insert handle of a knife, and an end of groove is having push button.When the groove of belt lacer or handle of a knife inner chamber were shorter than the length of blade, the other end of belt card groove then had the short sheath that can insert the blade head.The push button of belt lacer and the hook of belt lacer are preferably one, lay respectively at the belt lacer groove ground and the back side.Like this can simplified structure spare, be convenient to processing and assembling.In order to make push button more effectively promote beveled mouth and spring catch, and push button is not come off in chute, push button is preferably the push button of plush copper, and the jack of handle of a knife chamber wall and the beveled mouth of spring catch be greater than the plush copper of push button, vertical chute width of handle of a knife chamber wall less than the push button plush copper greater than the neck of push button.Have certain stability after cutting ferrule and handle of a knife and blade are merged, and can exert oneself at any time and extract handle of a knife and blade, the corresponding position of cutting ferrule and handle of a knife is respectively equipped with that elasticity is bumped pearl and transition is recessed.

The utility model compared with the prior art, having can be when merging or separating with cutting ferrule, effectively with the blade income or stretch out the handle of a knife inner chamber, easy to use and collection; The cutting ferrule that cooperates with handle of a knife and blade can be multiple apparatus or parts, and what cooperate with handle of a knife and blade is simple in structure, is convenient to processing and making.

Accompanying drawing has been represented the structural representation of the flexible cutter of a kind of belt clip of the utility model.Wherein, the main cutaway view that Fig. 1 is fitted in flexible cutter for the belt clip, Fig. 2 draws back the cutaway view that is about to separate for the belt clip with flexible cutter, the sectional view that Fig. 3 is fitted in flexible cutter for the belt clip, the cutaway view of bowing that Fig. 4 is fitted in flexible cutter for the belt clip, Fig. 5 separates the schematic diagram of back user mode for flexible cutter with the belt clip.

Example below in conjunction with accompanying drawing further specifies the utility model.The flexible cutter of this belt clip is made of handle of a knife 1, blade 2, cutting ferrule 3.The handle of a knife inner chamber is being inserted movingly the blade that slides, and the cutting ferrule that cooperates with handle of a knife and blade is the belt clip, and it is one push button 4 that the belt clamp subband has the hook with belt lacer, link up with 5 and push button lay respectively at the belt lacer back side and front.The belt lacer front has the groove 6 that can insert handle of a knife, and an end band of groove push button.The other end of belt card groove then has the cavity that can insert the blade head, is equivalent to the short sheath of a part, and cavity also can be the part of the chuck of belt clip.The chamber cornice of handle of a knife has jack 7 and vertical chute 8 of corresponding push button.The rearward end of blade has horizontal cotter way, and cotter way 9 is furnished with spring catch, and spring catch is made of pin 11 and compression spring 12.Handle of a knife inner chamber leading portion wall correspondence has lock-joint 10.Pin is provided with the inclined hole 13 that can insert push button with jack and vertical chute corresponding position, has constituted beveled mouth.Push button is preferably the push button of plush copper, and promptly the beveled mouth of the jack of handle of a knife chamber wall and spring catch is greater than the plush copper of push button, vertical chute width of handle of a knife chamber wall less than the push button plush copper greater than the neck of push button.The groove side of belt clip and the corresponding position of handle of a knife can be respectively equipped with that elasticity is bumped pearl and transition is recessed.When the cavity that point of a knife is inserted the belt clip (short sheath), the groove of handle of a knife and belt clip merges, the push button of belt clip inserts the jack of handle of a knife chamber wall and the beveled mouth of spring catch, push button promotes spring catch along beveled mouth and withdraws from from lock-joint, promotes handle of a knife and belt clip more relatively, and push button slides along the chute of handle of a knife, drive in the blade retraction handle of a knife chamber, handle of a knife inserts the groove of belt clip, and elasticity is bumped the pearl transition, and to snap in the transition of handle of a knife recessed, lives handle of a knife and blade are stable.When firmly the groove of handle of a knife from the belt clip being drawn back, the push button that the belt clip groove is outstanding stretches out the handle of a knife chamber by the beveled mouth drive blade of pin again, handle of a knife separates the back push button to be withdrawed from from beveled mouth and jack at last with the groove of belt clip, pin inserts lock-joint under the compression spring effect, blade is fixed and can not be return.

Claims (6)

1, the flexible cutter of a kind of cutting ferrule, handle of a knife is arranged, the handle of a knife inner chamber is inserted with the blade that slides movingly, with the cutting ferrule that handle of a knife and blade cooperate, cutting ferrule has push button, and the chamber cornice of handle of a knife has jack and vertical chute of corresponding push button, it is characterized in that: the rearward end of blade has horizontal cotter way, cotter way is furnished with spring catch, and handle of a knife inner chamber leading portion wall correspondence has lock-joint, and spring catch and jack and vertical chute corresponding position are provided with the beveled mouth that can insert push button.

2, as the flexible cutter of the said cutting ferrule of claim 1, it is characterized in that: cutting ferrule is a belt lacer, and belt lacer has the groove that can insert handle of a knife, and push button is located at an end of groove.

3, as the flexible cutter of the said cutting ferrule of claim 2, it is characterized in that: the other end of belt card groove has the short sheath that can insert the blade head.

4, as the flexible cutter of the said cutting ferrule of claim 2, it is characterized in that: the push button of belt lacer and the hook of belt lacer are one, lay respectively at the belt lacer groove floor and the back side.

5, as claim 1 or the flexible cutter of 2 or 3 or 4 said cutting ferrules, it is characterized in that: push button is the push button of plush copper, the jack of handle of a knife chamber wall and the beveled mouth of spring catch be greater than the plush copper of push button, vertical chute width of handle of a knife chamber wall less than the push button plush copper greater than the neck of push button.

6, as the flexible cutter of claim 1 or 2 or 3 or 4 said cutting ferrules, it is characterized in that: the corresponding position of cutting ferrule and handle of a knife is respectively equipped with that elasticity is bumped pearl and transition is recessed.

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