CN202129807U

CN202129807U - Emergency cutting knife

Info

Publication number: CN202129807U
Application number: CN201120198164U
Authority: CN
Inventors: 邹浩生
Original assignee: WUXI SHAOKANG MEDICAL TECHNOLOGY Co Ltd
Current assignee: Top medical technology (Hangzhou) Co., Ltd.
Priority date: 2011-06-13
Filing date: 2011-06-13
Publication date: 2012-02-01
Anticipated expiration: 2021-06-13

Abstract

The embodiment of the utility model discloses an emergency cutting knife which comprises a knife head and a knife body, wherein the knife head comprises a base part, connection parts which are respectively connected with two ends of the base part and connected with the knife body and a guide part which is suitable for guiding objects to be cut; a semi-enclosed space is formed by the base part, the connection parts and the guide part; a cutting surface which is suitable for cutting objects is located in the space; and the base part and the connection parts are provided with parts beyond the cutting surface and form an opening for entering the space. As the guide part and the connection parts go beyond the cutting surface and the cutting surface is sheltered behind, the objects to be cut only can make contact with the cutting surface to realize cutting after entering the space by penetrating through the opening at the front end of the space, therefore, muscles next to clothes are prevented from being cut in hurry and misoperation is avoided.

Description

The emergency first aid cutter

Technical field

The utility model relates to a kind of cutting tool, particularly relates to a kind of being applied at the first aid cutter that rescues or in emergency circumstances be used to cut clothing, rope, safety belt etc.

Background technology

When emergency episode or war generation injury to personnel,, the clothing of the wound of the wounded directly cut off with scissors give treatment to processing then for the carrying out to the wounded given treatment to timely.Because the situation is critical, the wounded hypalgesia, and the point of scissors, the time regular meeting wounded's skin is also cut wound together when the scissor cut clothing takes place, add grievous hurt.And accidentally injure for fear of such rescue, can incur loss through delay shear rate again, miss the best relief time.

Thereby, necessary a kind of cutting tool that is specially adapted to said circumstances is provided.

The utility model content

The purpose of the utility model is to provide a kind of cutter, and it can avoid when cutting, damaging muscle or the staff near object to be cut.

For realizing above-mentioned purpose; A kind of cutter that the utility model provides; Comprise cutter head, blade; Said cutter head comprises base portion and is connected to the connecting portion that links to each other with blade at base portion two ends, is suitable for guiding the guidance part of object to be cut that said base portion, connecting portion, guidance part surround a semi-enclosed space, and the cut surface that is suitable for cutting object is positioned at said space; Said base portion, connecting portion have the part that exceeds said cut surface and form the opening in the said space of an entering, and said cut surface is in the face of said opening.

Alternatively, along the direction from said cut surface to said opening, said guidance part is gradually near said connecting portion.

Alternatively, getting into or have bending structure in the said space near the admission passage of said cut surface from said opening.

Alternatively, other comprises the blade that is installed on the described cutter head and is suitable on said cutter head, unloading, and said cut surface is located on the said blade.

Alternatively, said cutter head comprises first cutter head, second cutter head, and said first cutter head is provided with groove, and said blade is installed in the said groove, and said second cutter head is installed on said blade and said first cutter head; Said cutter comprise the screw that is used for fixing said first cutter head and second cutter head in addition.First cutter head here corresponding to the leading section 3, the second of the blade in the specification 2 to the end corresponding to compressing tablet 6.

Alternatively, other comprises and is installed on the said guidance part surface, colludes cover by leading of processing of lubricious material.

Alternatively, said guidance part is provided with positioning convex, said lead to collude to put to be provided be suitable for and the said positioning convex locating hole of buckle mutually.

Alternatively, said connecting portion is integrally formed on the said blade.

Alternatively, said blade is provided with through hole.

Alternatively, the afterbody of said blade has hook-shaped stopping structure.

Alternatively, said blade is provided with lighting device, is used to the switch that lighting device provides the battery of power supply and is used to control lighting device.

Alternatively, the whole one-tenth of said cutter tabular.

The cutter beneficial effect that the utility model provides is embodied in: because guidance part and connecting portion exceed cut surface; And with cut surface block both the back; So object to be cut (normally clothing or rope) only just can touch cut surface and realize cutting after the opening that passes said space front end gets into this space; Can avoid like this in flurried, cutting to the muscle of being close to clothing, also can avoid maloperation.

Along direction from said cut surface to said opening; Said guidance part is gradually near said connecting portion; Can avoid the possibility of maloperation better so that the opening in said space and the admission passage between opening and cut surface can keep width smaller.In addition, the admission passage of said connection opening and cut surface also and non-straight but has bending or a break-in structure, and such structure also can be strengthened it and avoid accidentally injuring or the effect of maloperation.

Description of drawings

Fig. 1 is the constitutional diagram of the cutter that provide of the utility model embodiment.

Fig. 2 is the three-dimensional exploded view of cutter shown in Figure 1.

The specific embodiment

Below in conjunction with specific embodiment the technical scheme of the utility model is at length explained.

Please with reference to Fig. 1 and shown in Figure 2, the cutter that present embodiment provides by blade 2, blade 4, lead parts such as colluding cover 5, compressing tablet 6 and screw 7 and form.Wherein, compressing tablet 6, blade 4, screw 7 and leading colludes the leading section 3 that cover 5 is installed in blade 2, the common cutter head 30 that is suitable for cutting object of forming; In the blade 2, the rear end is the handle of a knife 50 that is suitable for gripping.

Please continue with reference to shown in Figure 1; Cutter head 30 is back hooking structure; Comprise base portion 31 and the guidance part 33, the connecting portion 35 that are positioned at the base portion two ends; Connecting portion 35 is installed or is integrally formed on the handle of a knife 50, and guidance part 33 is a free end away from an end of base portion 31, to guide object (not shown) to be cut near the cut surface 40 that is suitable for cutting object.Guidance part 33, connecting portion 35 are positioned at the same side of base portion 31 substantially, thereby form a semi-enclosed space 8 jointly with base portion 31.The cut surface 40 that is suitable for cutting object is positioned at said space 8 and towards the opening 82 in said space, thereby object to be cut has only, and get into could cut surfaces 40 cuttings in this space 8.In other words; Because guidance part 33 exceeds cut surface 40 with connecting portion 35; And with cut surface 40 block both the back; So object to be cut (normally clothing or rope) only just can touch cut surface 40 and realize cutting after the opening that passes said space 8 front ends 82 gets into this space 8, can avoid like this in flurried, cutting to the muscle of being close to clothing, also can avoid maloperation.

The inwall of guidance part 33 (does not indicate among the figure; Refer to wall near space 8) (indicate among the figure with the inwall of connecting portion 35; Refer to wall near space 8) between distance less; Make the opening 82 in said space 8 and the admission passage 84 between opening 82 and cut surface 40 can keep width smaller, can avoid the volume larger object to get into, thereby avoid the possibility of maloperation better.In addition, the admission passage 84 of connection opening 82 and cut surface 40 also and non-straight but has bending or break-in structure, and such structure also can be strengthened it and avoid accidentally injuring or the effect of maloperation.

It is one that cut surface 40 can be made (such as the mode through casting) with cutter head 30, makes the non-exchange disposable cutter of cut surface (blade in other words).Certainly, cut surface 40 also can be arranged on the independent blade 4, shown in Figure 2 like present embodiment, thus make blade 4 replaceable after wearing and tearing or accidental damage, increase the service life of cutter.

Please with reference to shown in Figure 2, detachable blade 4 utilizes fixture can be installed in the leading section 3 of blade 2; Wherein, fixture is a compressing tablet 6 and several screws 7.During installation, blade 4 places in the groove (not shown) of blade 2 leading sections 3, covers compressing tablet 6 and tightens screw 7 again, can blade 4 be fixed in the said space 8 of cutter head 30.This structure makes in breaks down or carries out blade exchange when becoming not sharp.

Can install on the guidance part 33 to lead and collude cover 5, lead and collude cover and 5 can preferentially select for use smooth plastic materials such as pottery, POM or PTFE to process, reduce to be cut the friction of object and cutter.The surface of guidance part 33 is provided with positioning convex 332, leads to collude cover 5 corresponding positions and be provided with locating hole 52, lead collude cover 5 and be installed in guidance part 33 after, protruding 332 can be buckled in the locating hole 52, thus can prevent to lead colludes cover 5 and slides backward and deviate from guidance part 33.

Leading after the installation colluded cover 5 can be combined into a horn-like bent type guide groove (being the admission passage 84 among Fig. 1) equally with the leading section 3 of blade 2, and the blade (being cut surface 40) of blade 4 is protected, and prevents that finger or other article from being accidentally injured by blade 4.Bent type guide groove 84 is terminal facing to blades 40, and the quilt of thick hard material cuts thing when guide groove 84 gets into, and the bending of guide groove 84 can make is cut thing and run into and carry out traversing along the blade direction behind the blade 40, makes to be cut thing and be easy to scratched by blade; The cut substrate of deformable sheet materials is understood the acute angle of straight sensing blade 40 and guide groove 84 roots composition when guide groove runs into blade 40, make blade 40 be easy to that quilt is cut thing and rive.Can separate to both sides along blade 4 and blade 2 sides after being cut thing and being severed, avoid twining and hinder and cut.In other embodiments, the leading section 3 of blade 2 colludes cover 5 also available highstrenghtpistons and is made of one with leading.

Whole handle of a knife 50 is a flat, and thickness is 4-20mm, and the thickness below the first-selected 12mm, handle of a knife 50 materials can preferentially be selected for use to adopt has light and handy, high-strength materials, such as aluminium alloy, carbon fiber or highstrenghtpiston.Handle of a knife 50 is provided with through hole 25, and finger tip stretches into the application of force when being convenient to grasping, alleviates blade weight simultaneously and saves material.Handle of a knife is a bending curvature, the grip posture of suitable staff.

The afterbody of blade 2 has hook-shaped stopping structure 29, in case cause slipping out of the hand because of hand is sliding during the application of force.The tail end of hook-shaped stopping structure 29 has a permeability aperture 293, is used for interting suspension strop.

Blade 2 is equipped with lighting device (among the figure show, it is positioned at the another side of blade 2), battery case 271 and switch 272, is convenient under dark or the low-light closely, among a small circle cut coverage is thrown light on.Lighting device can adopt LED or other light-emitting component, and switch 272 is used in needs, opening or cutting out lighting device.Lighting device, battery case 271 and switch 272 are done encapsulation process, prevent that the liquid infiltration from causing short circuit; In the present embodiment, said encapsulation process is meant after battery case 271 is packed blade 2 into, with the passage 278 of a sealing strip 275 sealed cell boxes entering.

Though the utility model discloses as above with preferred embodiment, the utility model is not to be defined in this.Any those skilled in the art in spirit that does not break away from the utility model and scope, all can do various changes and modification, so the protection domain of the utility model should be as the criterion with claim institute restricted portion.

Claims

1. cutter; Comprise cutter head, blade; It is characterized in that said cutter head comprises base portion and be connected to the connecting portion that links to each other with blade at base portion two ends, be suitable for guiding the guidance part of object to be cut that said base portion, connecting portion, guidance part surround a semi-enclosed space; The cut surface that is suitable for cutting object is positioned at said space, and said base portion, connecting portion have the part that exceeds said cut surface and form the opening in the said space of an entering.

2. cutter according to claim 1 is characterized in that, along the direction from said cut surface to said opening, said guidance part is gradually near said connecting portion.

3. cutter according to claim 1 and 2 is characterized in that, getting into or have bending structure near the admission passage of said cut surface from said opening in the said space.

4. cutter according to claim 1 is characterized in that, other comprises the blade that is installed on the described cutter head and is suitable on said cutter head, unloading, and said cut surface is located on the said blade.

5. cutter according to claim 4; It is characterized in that said cutter head comprises first cutter head, second cutter head, said first cutter head is provided with groove; Said blade is installed in the said groove, and said second cutter head is installed on said blade and said first cutter head; Said cutter comprise the screw that is used for fixing said first cutter head and second cutter head in addition.

6. cutter according to claim 1 is characterized in that, other comprises and is installed on the said guidance part surface, colludes cover by leading of processing of lubricious material.

7. cutter according to claim 6 is characterized in that said guidance part is provided with positioning convex, said lead to collude to put to be provided be suitable for and the said positioning convex locating hole of buckle mutually.

8. cutter according to claim 1 is characterized in that said connecting portion is integrally formed on the said blade.

9. cutter according to claim 1 is characterized in that said blade is provided with through hole.

10. cutter according to claim 1 is characterized in that, the afterbody of said blade has hook-shaped stopping structure.

11. cutter according to claim 1 is characterized in that, said blade is provided with lighting device, is used to the switch that lighting device provides the battery of power supply and is used to control lighting device.

12. cutter according to claim 1 is characterized in that, the whole one-tenth of said cutter tabular.