CN210233108U

CN210233108U - Novel folding knife with replaceable blade

Info

Publication number: CN210233108U
Application number: CN201921201666.8U
Authority: CN
Inventors: Renpeng Zhang; 张任鹏
Original assignee: Xi'an Big Bear Precision Industry Co Ltd
Current assignee: Xi'an Big Bear Precision Industry Co Ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-04-03
Anticipated expiration: 2029-07-26

Abstract

A novel folding knife with a replaceable blade relates to the technical field of folding knives. It comprises a handle assembly for hand holding; a blade holder rotatably mounted to the handle assembly; a surgical blade detachably mounted on the blade holder; a hinge part arranged on the handle component and used for assembling the tool apron on the handle component; and the fixing component is arranged on the tool apron and is used for fixing the surgical knife blade. By adopting the technical scheme, the scalpel blade can be replaced by bare hands without dismounting tools, and the operation is simple, so that the service life of the folding knife is prolonged.

Description

Novel folding knife with replaceable blade

Technical Field

The utility model relates to a roll over sword technical field, concretely relates to novel removable blade roll over sword.

Background

Nowadays, the application of folding knife in people's daily production life is very extensive, when outdoor activities, can be used for the preparation instrument, supplementary processing food, and can open the can in daily life, article unpack, brought very big facility for life, folding knife on the market at present is generally great in volume, when the blade damages, under the condition that does not have the erecting tool, the blade often can't be changed or is difficult to change, and the blade of replacement not only is expensive, and it is difficult to find the blade of adaptation, therefore, for solving the above-mentioned problem, invented a folding knife using the scalpel blade, scalpel blade self possess specific sword groove, the model is unified, not only the low price, and the suitability is good, can not appear unable problem of changing, and when changing, need not with the help of the instrument, bare-handed dismouting, and folding knife is small, it is very convenient to carry.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel folding knife of removable blade to prior art's defect and not enough, have and need not assembly and disassembly tools, the scalpel blade can be changed by bare-handed to it is easy and simple to handle, thereby the extension rolls over the advantage of the life of sword.

In order to achieve the above object, the utility model adopts the following technical scheme: a novel replaceable blade folding knife comprising: a handle assembly for hand-holding; a blade holder rotatably mounted to the handle assembly; a surgical blade detachably mounted on the blade holder; a hinge portion provided on the handle assembly for assembling the blade holder to the handle assembly; and the fixing component is arranged on the tool apron and is used for fixing the surgical knife blade.

The utility model discloses further set up, handle assembly includes: the tool holder body is rotatably assembled with the tool apron; the positioning columns are arranged at one end, far away from the tool apron, of the tool holder body; the elastic sheet is assembled on one side of the knife handle body; the elastic sheet is provided with a plurality of positioning holes matched with the positioning columns.

The utility model discloses further set up, fixed subassembly includes: the mounting part is arranged on the tool apron and used for clamping and embedding the tool groove of the surgical blade; the knife holder is provided with a containing groove for placing the surgical knife blade; and a blade groove used for stably clamping the surgical blade is formed in the mounting part.

The utility model is further provided with a dismounting groove for dismounting the surgical knife blade, which is arranged on the knife handle body and is close to one end of the knife holder; when the surgical blade is mounted on the knife holder, the knife handle body is assembled above the surgical blade.

The utility model is further provided with a locking groove at one end of the elastic sheet close to the tool apron; the two sides of one end, close to the tool holder body, of the tool holder are provided with a first salient point and a second salient point which are respectively clamped and embedded in the locking groove in the opening and closing states of the tool holder; when the tool apron is opened or closed, the elastic sheet drives the first salient point or the second salient point to be clamped and embedded in the locking groove, so that the tool apron is automatically opened or closed relative to the tool holder body.

The utility model discloses further set up, articulated portion includes: the buckle male seat is arranged on one side of the knife handle body; the buckle female seat is arranged on one side of the cutter seat and assembled with the buckle male seat; a first round hole through which the buckle male seat penetrates is formed in the knife handle body; and a second round hole for the buckle female seat to penetrate is formed in the tool apron.

The utility model is further provided with an arc-shaped limiting groove which surrounds the second round hole; the knife handle body is provided with a limiting column which is movably assembled in the arc-shaped limiting groove and used for preventing the knife holder from rotating excessively.

The utility model discloses further set up, the handle of a knife body with the confession has been seted up to one side of shell fragment the receipts sword groove of holding is accomodate to surgical knife blade cutting edge one side.

The utility model discloses further set up, the handle of a knife body the shell fragment articulated portion and the material of blade holder is titanium alloy material.

The utility model discloses further set up, the handle of a knife body with the shell fragment is kept away from matched with through-hole has been seted up to blade holder one end.

After the technical scheme is adopted, the utility model discloses beneficial effect does:

1. in the utility model, the knife holder is provided with the fixing component, the scalpel blade can be disassembled and assembled on the knife holder, and during the replacement process of the scalpel blade, all parts of the folding knife do not need to be disassembled, and the scalpel blade can be disassembled and assembled by bare hand by means of a knife groove of the scalpel blade without the help of an auxiliary tool, so that the scalpel is simple and convenient to operate and does not influence other parts of the folding knife; thereby prolonging the service life of the folding knife and reducing the use cost; the scalpel blade of adoption is low in price, and can both purchase in each channel, and scalpel blade's model is unified to self possess specific sword groove, need not to worry the problem of suitability, and metal dust is few when scalpel blade is cut edge, has reduced dust pollution, environmental protection.

2. The fixing component on the knife holder prevents the surgical knife blade from moving left and right, tilting or shaking up and down, and when the surgical knife blade is assembled on the knife holder, the surgical knife blade is always covered below the knife handle body, so that the surgical knife blade has no possibility of falling off, and accidents can be prevented; the arc-shaped limiting groove is movably assembled on the cutter holder through the limiting column on the cutter holder body, so that the cutter holder can be prevented from excessively rotating to damage the folding cutter; through setting up the shell fragment and the locking groove of seting up, first bump and second bump on the cooperation blade holder, when the blade holder rotated certain angle, the shell fragment made its automation open or closed for the power of blade holder to locking groove can prevent that the blade holder from rotating at will, makes the structure of book sword more stable.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic diagram of the explosion structure of the present invention;

FIG. 3 is an enlarged schematic view corresponding to FIG. 1 at A;

fig. 4 is a schematic structural view of the fixing assembly of the present invention;

fig. 5 is a schematic view of the connection relationship between the middle knife holder and the knife handle body.

Description of reference numerals: 1. a handle assembly; 2. a tool apron; 3. a surgical blade; 4. a hinge portion; 21. a fixing assembly; 11. a knife handle body; 111. a positioning column; 12. a spring plate; 121. positioning holes; 211. an installation part; 212. a containing groove; 213. an insert pocket; 112. disassembling and assembling the groove; 122. a locking groove; 22. a first bump; 23. a second bump; 41. a male fastener seat; 42. a snap-fit female seat; 113. a first circular hole; 24. a second circular hole; 25. an arc-shaped limiting groove; 114. a limiting column; 5. a tool retracting groove; 6. and a through hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment as required without making a contribution, but all the embodiments are protected by the patent law within the scope of the claims of the present invention.

The present embodiment relates to a novel folding knife with replaceable blade, as shown in fig. 1, fig. 2 and fig. 4, comprising: a handle assembly 1 for hand holding; a tool post 2 rotatably mounted to the handle assembly 1; a surgical blade 3 detachably mounted on the blade holder 2; a hinge portion 4 provided on the handle assembly 1 for fitting the holder 2 to the handle assembly 1; and, locate on blade holder 2, be used for carrying out the fixed subassembly 21 that fixes scalpel blade 3, through fixed subassembly 21, scalpel blade 3 can be installed and dismantle on blade holder 2 to realize scalpel blade 3's change, prolonged a sword life, and when changing, need not with the help of the instrument, bare-handed alright operation, scalpel blade 3 low price has fine suitability again simultaneously, thereby the low use cost has been spent.

As shown in fig. 1 and 2, the handle assembly 1 includes: a tool holder body 11 rotatably assembled with the tool holder 2; the positioning columns 111 are arranged at one end, far away from the tool apron 2, of the tool holder body 11; the elastic sheet 12 is assembled on one side of the knife handle body 11; the elastic sheet 12 is provided with a plurality of positioning holes 121 matched with the positioning columns 111, and the elastic sheet 12 is stably assembled on the tool holder body 11 through the positioning columns 111 and the positioning holes 121.

As shown in fig. 4, the fixing assembly 21 includes: a mounting part 211 which is arranged on the tool apron 2 and is used for clamping and embedding the tool groove of the surgical blade 3; the knife holder 2 is provided with a containing groove 212 for placing the surgical knife 3; and, the blade groove 213 for stably clamping the scalpel blade 3 is formed on the mounting portion 211, the blade groove 213 can prevent the scalpel blade 3 from moving left and right, the mounting portion 211 provides a downward pressure to the blade to prevent the scalpel blade 3 from tilting, and the accommodating groove 212 prevents the scalpel blade 3 from shaking up and down, so that the fixing component 21 can stably fix the scalpel blade 3 and cannot easily fall off.

As shown in fig. 3, one end of the elastic sheet 12 close to the tool holder 2 is provided with a locking groove 122; the two sides of the tool apron 2 close to one end of the tool holder body 11 are provided with a first salient point 22 and a second salient point 23 which are respectively clamped and embedded in the locking groove 122 when the tool apron 2 is opened and closed, it should be noted that the elastic sheet 12 is made of a titanium alloy material, when the tool apron 2 is opened or closed, the elastic sheet 12 drives the first salient point 22 or the second salient point 23 to be clamped and embedded in the locking groove 122 under the elasticity of the elastic sheet 12, so that the tool apron 2 is automatically opened or closed relative to the tool holder body 11, and the structure of the folding knife can be stable through the clamping and embedding action of the locking groove 122 and the first salient point 22 and the second salient point 23, so that the tool apron 2 is prevented from being randomly rotated, and a user is prevented from; knife handle body 11 and shell fragment 12 one side are seted up and are supplied surgical blade 3 cutting edge one side to accomodate receipts sword groove 5 of holding, receive sword groove 5 and can protect surgical blade 3's cutting edge when blade holder 2 is closed to prevent the 3 fish tail users of surgical blade, seted up a plurality of circular arc holes on the receipts sword groove 5, roll over the sword after the use, owing to wash surgical blade 3 and can remain water stain, the evaporation of water stain can be accelerated in the circular arc hole.

As shown in fig. 1 and 2, a dismounting groove 112 for dismounting the surgical blade 3 is formed at one end of the knife holder body 11 close to the knife holder 2; when scalpel blade 3 is installed on blade holder 2, handle of a knife body 11 assembles in scalpel blade 3's top, and only under the state that artificially rotates blade holder 2 to about 90 degrees with handle of a knife body 11, scalpel blade 3 can not be pressed in handle of a knife body 11 below, and scalpel blade 3 just can be dismantled through dismouting groove 112, through this kind of structure, can standardize scalpel blade 3's dismantlement, prevents that scalpel blade 3's accident from droing, reduces unexpected emergence.

As shown in fig. 2, the hinge portion 4 includes: a male buckle seat 41 arranged on one side of the knife handle body 11; and a snap female seat 42 provided on one side of the holder 2 and assembled with the snap male seat 41; a first round hole 113 through which the buckle male seat 41 penetrates is formed in the knife handle body 11; the tool holder 2 is provided with a second round hole 24 for the snap-fit female seat 42 to pass through.

As shown in fig. 5, the tool holder 2 is provided with an arc-shaped limiting groove 25 surrounding the second circular hole 24; be equipped with movable assembly on handle of a knife body 11 in arc spacing groove 25, be used for preventing the spacing post 114 that blade holder 2 from crossing the commentaries on classics, through setting up arc spacing groove 25 and spacing post 114, can prevent that blade holder 2 from rotating excessively and destroying the normal structure of book sword to the life of a sword has been improved.

In the utility model, the knife handle body 11, the spring plate 12, the hinge part 4 and the knife holder 2 are made of titanium alloy materials; titanium alloy has intensity height, advantage such as corrosion resistance is good, is the first-selected material as the production book sword, and this handle of a knife body 11 and shell fragment 12 are kept away from 2 one ends of blade holder and are seted up matched with through-hole 6, and this through-hole 6 can conveniently be rolled over the sword and hang or hang in the key ring, conveniently carries.

The working principle of the utility model is as follows: the surgical blade 3 is detachably mounted on the knife holder 2 through the fixing component 21, the surgical blade 3 can be mounted and dismounted by hands without using a dismounting tool, the replacement is convenient, the surgical blade 3 can be prevented from moving left and right, tilting or shaking up and down through the fixing component 21, and the surgical blade 3 is ensured to be stably assembled on the knife holder 2; the limiting column 114 on the knife holder body 11 is movably assembled in the limiting groove on the knife holder 2, so that the knife holder 2 is prevented from excessively damaging the normal structure of the folding knife, the service life of a product is prolonged, and the dismounting groove 112 on the knife holder body 11 ensures that the surgical knife blade 3 can be dismounted on the knife holder 2 only when the knife holder 2 rotates to a specific angle under manual operation, so that the accidental falling of the knife blade can be prevented; by arranging the locking groove 122 on the elastic sheet 12 and the first salient point 22 and the second salient point 23 on the tool apron 2, when the tool apron 2 is opened or closed, the elastic sheet 12 drives the first salient point 22 or the second salient point 23 to be clamped and embedded in the locking groove 122, so that the tool apron 2 is automatically opened or closed relative to the tool holder body 11, and the tool apron 2 is prevented from rotating randomly; the positioning hole 121 on the elastic sheet 12 and the positioning column 111 on the knife handle body 11 are assembled to form the handle assembly 1, the hinge part 4 comprises a male buckle seat 41 and a female buckle seat 42, and the knife holder 2 provided with the surgical knife 3 is rotatably assembled on the handle assembly 1 through the hinge part 4 to form a complete folding knife structure.

The above description is only for the purpose of illustration and not limitation, and other modifications or equivalent replacements made by those skilled in the art to the technical solution of the present invention should be covered by the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. A novel folding knife with replaceable blade is characterized by comprising: a handle assembly (1) for hand-holding;

a knife holder (2) rotatably assembled on the handle component (1);

a surgical blade (3) detachably mounted on the knife holder (2);

a hinge part (4) which is arranged on the handle component (1) and is used for assembling the tool apron (2) on the handle component (1); and the number of the first and second groups,

a fixing component (21) which is arranged on the tool apron (2) and is used for fixing the surgical blade (3).

2. The new replaceable blade folding knife according to claim 1, characterized in that the handle assembly (1) comprises: a tool holder body (11) rotatably assembled with the tool apron (2);

the positioning columns (111) are arranged at one end, far away from the tool apron (2), of the tool shank body (11); and the number of the first and second groups,

the spring plate (12) is assembled on one side of the knife handle body (11);

the elastic sheet (12) is provided with a plurality of positioning holes (121) matched with the positioning columns (111).

3. The new replaceable blade folding knife according to claim 1, characterized in that said fixing assembly (21) comprises: a mounting part (211) which is arranged on the tool apron (2) and is used for clamping and embedding the tool groove of the scalpel blade (3);

the tool apron (2) is provided with a containing groove (212) for placing the surgical blade (3); and the number of the first and second groups,

the mounting part (211) is provided with a blade groove (213) for stably clamping the surgical blade (3).

4. The novel folding knife with replaceable blade as claimed in claim 2, characterized in that a dismounting groove (112) for dismounting the surgical blade (3) is formed at one end of the knife handle body (11) close to the knife holder (2);

when the scalpel blade (3) is mounted on the knife holder (2), the knife handle body (11) is assembled above the scalpel blade (3).

5. The folding knife with replaceable blade as claimed in claim 4, characterized in that the spring (12) has a locking groove (122) at one end close to the knife holder (2);

two sides of one end, close to the tool holder body (11), of the tool holder (2) are provided with a first salient point (22) and a second salient point (23) which are respectively clamped and embedded in the locking groove (122) in the opening and closing states of the tool holder (2);

when the tool apron (2) is opened or closed, the elastic sheet (12) drives the first salient point (22) or the second salient point (23) to be clamped and embedded in the locking groove (122), so that the tool apron (2) is automatically opened or closed relative to the tool holder body (11).

6. The new replaceable blade folding knife according to claim 5, characterized in that said hinge (4) comprises: the buckle male seat (41) is arranged on one side of the knife handle body (11); and the number of the first and second groups,

a female buckle seat (42) which is arranged on one side of the tool apron (2) and assembled with the male buckle seat (41);

a first round hole (113) for the buckle male seat (41) to penetrate through is formed in the knife handle body (11);

and a second round hole (24) for the buckle female seat (42) to penetrate is formed in the tool apron (2).

7. The folding knife with replaceable blade according to claim 6, characterized in that the knife holder (2) is provided with an arc-shaped limiting groove (25) surrounding the second circular hole (24);

the knife handle body (11) is provided with a limiting column (114) which is movably assembled in the arc-shaped limiting groove (25) and used for preventing the knife holder (2) from rotating excessively.

8. The folding knife with replaceable blade as claimed in claim 7, wherein a knife receiving slot (5) for receiving and accommodating the knife edge side of the surgical knife blade (3) is formed on one side of the knife handle body (11) and the elastic sheet (12).

9. The folding knife with replaceable blade according to claim 8, characterized in that the knife handle body (11), the elastic sheet (12), the hinge portion (4) and the knife holder (2) are made of titanium alloy.

10. The folding knife with replaceable blade according to claim 9, characterized in that the knife handle body (11) and the spring (12) are provided with a through hole (6) at one end away from the knife holder (2).