CN214815314U

CN214815314U - Prevent cracked butterfly-shaped sword

Info

Publication number: CN214815314U
Application number: CN202120991451.1U
Authority: CN
Inventors: 张永祥; 张永龙; 张海涵
Original assignee: Meishan Lingrui Precision Cutting Tool Co ltd
Current assignee: Meishan Lingrui Precision Cutting Tool Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-11-23
Anticipated expiration: 2031-05-11

Abstract

The utility model provides a prevent cracked butterfly knife relates to butterfly knife technical field, including the butterfly knife body, the ring channel has been seted up to one side of butterfly knife body, first ring piece has been cup jointed in the inside activity of ring channel, the cylinder hole has been seted up to inner wall one side of ring channel, the cylinder piece has been cup jointed in the inside activity in cylinder hole, the second ring piece has been cup jointed in the inside activity of butterfly knife body, first recess has been seted up to one side that the butterfly knife body kept away from first ring piece. The utility model discloses, through under the effect at first ring piece, cylinder piece and second ring piece, can alleviate the effect that the butterfly knife body received the power when installing effectively, simultaneously under the effect of ring piece, can further alleviate the effect of atress when carrying out the atress to the butterfly knife body, reduce the cracked probability of butterfly knife, simultaneously under the effect of screw, can make things convenient for first ring piece and second ring piece to dismantle from the butterfly knife body, convenient and fast.

Description

Prevent cracked butterfly-shaped sword

Technical Field

The utility model relates to a butterfly knife technical field especially relates to a prevent cracked butterfly knife.

Background

The butterfly knife is a very common cutting blade for cutting paper, aluminum strips and other materials, and is called as a butterfly knife because the shape of the butterfly knife is similar to a dish shape.

However, in the prior art, the existing butterfly knife needs to be installed on the cutting device when being used, but the butterfly knife may be too strong by workers when being installed, so that the butterfly knife is deformed and broken due to too large contact stress between the butterfly knife and a contact surface of a fixing mechanism on the cutting device, the service life of the butterfly knife is shortened, the work progress is influenced, and the work efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, improving the life of butterfly sword body, preventing the butterfly sword because of with the cutting device on the too big cracked problem of emergence deformation of fixed establishment contact surface contact atress.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a prevent cracked butterfly knife, includes the butterfly knife body, the ring channel has been seted up to one side of butterfly knife body, the inside activity of ring channel has cup jointed first ring piece, the cylinder hole has been seted up to inner wall one side of ring channel, the inside activity in cylinder hole has cup jointed the cylinder piece, the inside activity of butterfly knife body has cup jointed second ring piece, first recess has been seted up to one side that the butterfly knife body keeps away from first ring piece, the welding of one side that first ring piece was kept away from to second ring piece has the connecting block, one side that first ring piece was kept away from to the butterfly knife body is provided with the ring piece.

In a preferred embodiment, the side of the cylindrical block far away from the second circular ring block is welded with the side of the first circular ring block near the second circular ring block.

In a preferred embodiment, the inner wall of the second circular ring block is welded to the outer surface of the connecting block.

In a preferred embodiment, the top of the connecting block is welded with one side of the annular block close to the second annular block, and the shape of the inner wall of the annular block is the same as that of the inner wall of the butterfly knife body.

In a preferred embodiment, one side of the cylindrical block close to the second circular ring block is in threaded connection with one side of the second circular ring block close to the first circular ring block through a screw.

As a preferred embodiment, the butterfly knife body comprises a butterfly knife core, and both sides of the butterfly knife core are fixedly connected with first hard alloy.

As a preferred embodiment, a first wear-resistant layer is fixedly connected to both sides of the first hard alloy, and a second wear-resistant layer is fixedly connected to both sides of the first wear-resistant layer.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. the utility model discloses in, under the effect through at first ring piece, cylinder piece and second ring piece, can alleviate the effect that the butterfly knife body received the power when installing effectively, simultaneously under the effect of ring piece, can further alleviate the effect of atress when carrying out the atress to the butterfly knife body, reduce the cracked probability of butterfly knife, simultaneously under the effect of screw, can make things convenient for first ring piece and second ring piece to dismantle from the butterfly knife body, convenient and fast.

2. The utility model discloses in, through under first carbide's effect, can strengthen the intensity of butterfly sword core of a knife, further reduce the cracked probability of butterfly sword body, simultaneously under the effect of first wearing layer and second wearing layer, improve the wearability of butterfly sword body.

Drawings

Fig. 1 is a perspective view of an anti-fracture butterfly knife according to the present invention;

fig. 2 is another perspective view of the butterfly knife for preventing fracture according to the present invention;

fig. 3 is another perspective view of the butterfly knife for preventing fracture according to the present invention;

fig. 4 is a partial perspective view of the butterfly knife for preventing fracture according to the present invention;

fig. 5 is the utility model provides an internal structure perspective view of the butterfly-shaped knife body of the butterfly-shaped knife for preventing fracture.

Illustration of the drawings:

1. a butterfly knife body; 101. a butterfly knife core; 102. a first cemented carbide; 103. a first wear resistant layer; 104. a second wear layer; 2. an annular groove; 3. a first annular block; 4. a cylindrical bore; 5. a cylindrical block; 6. a second annular block; 7. a first groove; 8. connecting blocks; 9. and (4) a ring block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a prevent cracked butterfly sword, including butterfly sword body 1, ring channel 2 has been seted up to one side of butterfly sword body 1, first ring piece 3 has been cup jointed in the inside activity of ring channel 2, cylinder hole 4 has been seted up to inner wall one side of ring channel 2, cylinder piece 5 has been cup jointed in the inside activity of cylinder hole 4, second ring piece 6 has been cup jointed in the inside activity of butterfly sword body 1, first recess 7 has been seted up to one side that first ring piece 3 was kept away from to butterfly sword body 1, the welding of one side that first ring piece 3 was kept away from to second ring piece 6 has connecting block 8, one side that first ring piece 3 was kept away from to butterfly sword body 1 is provided with annular piece 9.

One side that second ring piece 6 was kept away from to cylinder piece 5 welds mutually with one side that first ring piece 3 is close to second ring piece 6, conveniently can fix first ring piece 3 in the inside of ring channel 2 through the screw under the effect of cylinder piece 5.

The inner wall of the second circular ring block 6 is welded with the outer surface of the connecting block 8, and certain supporting force can be provided for the second circular ring block 6 conveniently through the connecting block 8 and the circular block 9.

The top of the connecting block 8 is welded with one side, close to the second circular ring block 6, of the annular block 9, and the shape of the inner wall of the annular block 9 is the same as that of the inner wall of the butterfly knife body 1, so that the pressure resistance of the butterfly knife body 1 is improved conveniently under the action of the annular block 9.

One side of the cylindrical block 5 close to the second circular ring block 6 is in threaded connection with one side of the second circular ring block 6 close to the first circular ring block 3 through screws, so that the second circular ring block 6 and the first circular ring block 3 can be conveniently taken down from the butterfly knife body 1 through the screws, the butterfly knife body 1 is replaced, and meanwhile, the service efficiency of the second circular ring block 6 and the first circular ring block 3 is improved.

The butterfly knife body 1 comprises a butterfly knife core 101, first hard alloy 102 is fixedly connected to two sides of the butterfly knife core 101, and the strength of the butterfly knife core 101 can be improved conveniently through the first hard alloy 102.

The first wear-resistant layer 103 is fixedly connected to both sides of the first hard alloy 102, and the second wear-resistant layer 104 is fixedly connected to both sides of the first wear-resistant layer 103, so that the wear resistance of the butterfly knife body 1 can be improved under the action of the first wear-resistant layer 103 and the second wear-resistant layer 104.

The first hard alloy 102 is a cobalt alloy, the first wear-resistant layer 103 is a tungsten carbide material and a chromium carbide composite material, and the second wear-resistant layer 104 is a high-chromium cast iron material.

The working principle of the embodiment is as follows: when the butterfly knife body 1 is used, firstly, as shown in fig. 1-4, when the butterfly knife body 1 is installed, firstly, the first circular ring block 3 is sleeved inside the annular groove 2 through the cylindrical block 5, then the second circular ring block 6 is utilized to attach the circular block 9 to one side, far away from the first circular ring block 3, of the butterfly knife body 1 through the connecting block 8, then the second circular ring block 6 and the cylindrical block 5 are fixed through screws, finally, the butterfly knife body 1 is sleeved on a fixing mechanism on a cutting device, then, a fixing piece on the fixing mechanism is used for fixing the butterfly knife body 1, the force applied by the fixing piece to the butterfly knife body 1 is evenly distributed to other parts installed on the butterfly knife body 1, the fracture probability of the butterfly knife body 1 is greatly reduced, and the service life of the butterfly knife body 1 is prolonged;

as shown in fig. 5, when the strength of the butterfly knife core 101 needs to be improved, the first hard alloy 102 is additionally cast on both sides of the surface of the butterfly knife core 101, so that the service life of the butterfly knife body 1 can be further improved, and when the wear resistance of the butterfly knife body 1 needs to be enhanced, the first wear-resistant layer 103 and the second wear-resistant layer 104 are additionally cast when the butterfly knife core 101 is cast, so that the use efficiency of the butterfly knife body 1 can be greatly improved, and the working efficiency is improved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a prevent cracked butterfly knife, includes butterfly knife body (1), its characterized in that: the novel butterfly knife is characterized in that a ring groove (2) is formed in one side of a butterfly knife body (1), a first ring block (3) is sleeved on the inner portion of the ring groove (2), a cylindrical hole (4) is formed in one side of the inner wall of the ring groove (2), a cylindrical block (5) is sleeved on the inner portion of the cylindrical hole (4), a second ring block (6) is sleeved on the inner portion of the butterfly knife body (1), a first groove (7) is formed in one side, away from the first ring block (3), of the butterfly knife body (1), a connecting block (8) is welded on one side, away from the first ring block (3), of the second ring block (6), and a ring block (9) is arranged on one side, away from the first ring block (3), of the butterfly knife body (1).

2. The butterfly knife of claim 1, further comprising: one side of the cylindrical block (5) far away from the second circular block (6) is welded with one side of the first circular block (3) close to the second circular block (6).

3. The butterfly knife of claim 1, further comprising: the inner wall of the second circular ring block (6) is welded with the outer surface of the connecting block (8).

4. The butterfly knife of claim 1, further comprising: the top of the connecting block (8) is welded with one side, close to the second circular ring block (6), of the circular ring block (9), and the shape of the inner wall of the circular ring block (9) is the same as that of the inner wall of the butterfly knife body (1).

5. The butterfly knife of claim 1, further comprising: one side of the cylindrical block (5) close to the second circular ring block (6) is in threaded connection with one side of the second circular ring block (6) close to the first circular ring block (3) through screws.

6. The butterfly knife of claim 1, further comprising: the butterfly knife comprises a butterfly knife core (101), and first hard alloy (102) is fixedly connected to two sides of the butterfly knife core (101).

7. The butterfly knife of claim 6, further comprising: both sides of the first hard alloy (102) are fixedly connected with a first wear-resistant layer (103), and both sides of the first wear-resistant layer (103) are fixedly connected with a second wear-resistant layer (104).