CN214305915U

CN214305915U - High-reliability rear ferrule for pipe joint

Info

Publication number: CN214305915U
Application number: CN202120014440.8U
Authority: CN
Inventors: 汪晓莹
Original assignee: Shenzhen Qianhai Anlei Technology Co ltd
Current assignee: Shenzhen Qianhai Anlei Technology Co ltd
Priority date: 2021-01-05
Filing date: 2021-01-05
Publication date: 2021-09-28
Anticipated expiration: 2031-01-05

Abstract

The utility model discloses a high-reliability rear cutting ferrule for a pipe joint, which comprises a cutting ferrule body, wherein the cutting ferrule body comprises an inner cutting ferrule and an outer cutting ferrule, the inner cutting ferrule is positioned at the inner end of the outer cutting ferrule, support columns are fixed at the support equal distance of the inner cutting ferrule and the outer cutting ferrule, elastic fillers are filled at the outer ends of the support columns, arc-shaped bulges are arranged at the outer side of the inner cutting ferrule at equal distance, and a groove is formed between the two arc-shaped bulges; when using the cutting ferrule body, through the recess that forms between outer cutting ferrule and the outer cutting ferrule that sets up including the outer end of cutting ferrule for the cutting ferrule body has collapsible and deformable leeway, and locking effect is good, and the leakproofness is better, through support column and the elastic filler that sets up between cutting ferrule and the outer cutting ferrule including, is convenient for recover extruded cutting ferrule body, has further improved the connection leakproofness of cutting ferrule body, and has improved the bulk strength of cutting ferrule body, and the practicality is stronger.

Description

High-reliability rear ferrule for pipe joint

Technical Field

The utility model relates to a coupling technical field especially relates to a back cutting ferrule that is used for high reliability of coupling.

Background

At present, a plurality of valves and pipeline connections are arranged in water supply equipment, a hollow pipe joint and a nut are mostly adopted for connection, the pipeline penetrates through the hollow parts of the pipe joint and the nut, and a clamping sleeve is arranged between the pipeline and the pipe joint and the nut. When coupling and nut are connected, need screw up the nut, the side extrusion cutting ferrule both ends that correspond on the nut for the cutting ferrule takes place to warp, plays fixed and sealed effect.

But current cutting ferrule when connecting connector and nut, the cutting ferrule of extrusion deformation is difficult for recovering, leads to the not good problem of joint effect to appear, and current cutting ferrule quality is not good, appears cracked phenomenon easily, for this reason we provide a back cutting ferrule that is used for the high reliability of coupling.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a back cutting ferrule for the high reliability of coupling can bring the improvement and connect the leakproofness and prevent the cracked beneficial effect of cutting ferrule.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a back cutting ferrule for high reliability of coupling, includes the cutting ferrule body, the cutting ferrule body includes interior cutting ferrule and outer cutting ferrule, interior cutting ferrule is located the inner of outer cutting ferrule, interior cutting ferrule and outer cutting ferrule support the equidistance and are fixed with the support column, the outer end packing of support column has the elastic filling, the outside equidistance of interior cutting ferrule is equipped with the arc arch, two form the recess between the arc arch.

As a preferred technical scheme of the utility model, the inner coating of outer cutting ferrule has the anti-corrosion coating, and the opposite side coating of anti-corrosion coating has the high temperature resistant layer.

As an optimized technical scheme of the utility model, the surface of arc arch and recess has all coated the wearing layer.

As an optimized technical scheme of the utility model, the inside of support column is fixed with the enhancement post.

As an optimized technical scheme of the utility model, the material of preventing the high temperature layer is carbon fiber.

As a preferred technical scheme of the utility model, be provided with antibiotic layer between anti-corrosion coating and the high temperature resistant layer.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. when the cutting ferrule body is used, the cutting ferrule body has a retractable and deformable room through a groove formed between an outer cutting ferrule arranged at the outer end of the inner cutting ferrule and the outer cutting ferrule, the locking effect is good, the sealing performance is good, the extruded cutting ferrule body is convenient to recover through a support column and an elastic filler arranged between the inner cutting ferrule and the outer cutting ferrule, the connection sealing performance of the cutting ferrule body is further improved, the overall strength of the cutting ferrule body is improved, and the practicability is strong;

2. the anti-corrosion layer arranged at the inner end of the outer cutting sleeve prevents the cutting sleeve body from being corroded when contacting the inner wall of the conveying fluid for a long time, and the anti-corrosion layer can be widely applied to inflammable fluid, is suitable for installation in a high-temperature environment, and improves the application range of the cutting sleeve body.

Drawings

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

FIG. 2 is an enlarged schematic view of a portion a of FIG. 1;

in the figure: 1. an inner cutting sleeve; 2. an outer ferrule; 3. an arc-shaped bulge; 4. a support pillar; 5. an elastic filler; 6. an anti-corrosion layer; 7. a groove; 8. a high temperature resistant layer; 9. a reinforcement column; 10. the cutting ferrule body.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1 and 2, a highly reliable rear ferrule for a pipe joint comprises a ferrule body 10, wherein the ferrule body 10 comprises an inner ferrule 1 and an outer ferrule 2, the inner ferrule 1 is positioned at the inner end of the outer ferrule 2, support columns 4 are fixed on the inner ferrule 1 and the outer ferrule 2 at equal intervals, elastic fillers 5 are filled at the outer ends of the support columns 4, arc-shaped bulges 3 are arranged on the outer side of the inner ferrule 1 at equal intervals, and a groove 7 is formed between the two arc-shaped bulges 3;

when using cutting ferrule body 10, through the recess 7 that forms between outer cutting ferrule 2 and the outer cutting ferrule 2 that sets up in the outer end of cutting ferrule 1 including, make cutting ferrule body 10 have collapsible and deformable leeway, locking is effectual, and the leakproofness is better, through support column 4 and the elastic filler 5 that sets up between cutting ferrule 1 and the outer cutting ferrule 2 including, be convenient for recover extruded cutting ferrule body 10, the connection leakproofness of cutting ferrule body 10 has further been improved, and the bulk strength of cutting ferrule body 10 has been improved, the practicality is stronger.

In another embodiment, as shown in fig. 1 and 2, this embodiment discloses that the inner end of the outer ferrule 2 is coated with a corrosion protection layer 6 and the other side of the corrosion protection layer 6 is coated with a high temperature protection layer 8;

through the anti-corrosion coating 6 that sets up in the inner of outer cutting ferrule 2, prevent that cutting ferrule body 10 from appearing the phenomenon of corroding with the conveying fluid contact inner wall for a long time, through the setting of preventing high temperature layer 8, but wide application with easily fire the fluid, and the installation of adaptation and high temperature environment improves cutting ferrule body 10's application range.

In another embodiment, as shown in fig. 1 and 2, this embodiment discloses that the outer surfaces of the arc-shaped protrusions 3 and the grooves 7 are coated with a wear-resistant layer; the wear degree of the surface of the cutting sleeve body 10 during installation is reduced by the wear-resistant layer coated on the outer surfaces of the arc-shaped bulges 3 and the grooves 7.

In another embodiment, as shown in fig. 2, the present embodiment discloses that a reinforcing column 9 is fixed inside the supporting column 4; the strength of the ferrule body 10 is further improved by the reinforcing columns 9 arranged inside the supporting columns 4.

In another embodiment, as shown in fig. 2, this embodiment discloses that the material of the high temperature prevention layer 8 is carbon fiber; through setting up the material of preventing high temperature layer 8 into carbon fiber, the intensity of carbon fiber is higher, and acid resistance and high temperature resistance are better.

In another embodiment, as shown in fig. 2, this embodiment discloses that an antibacterial layer is disposed between the corrosion prevention layer 6 and the high temperature prevention layer 8; the breeding of bacteria inside the cutting ferrule body 10 is prevented by the antibacterial layer arranged between the anti-corrosion layer 6 and the high temperature resistant layer 8.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a back cutting ferrule for coupling's high reliability, includes cutting ferrule body (10), its characterized in that: cutting ferrule body (10) are including interior cutting ferrule (1) and outer cutting ferrule (2), interior cutting ferrule (1) is located the inner of outer cutting ferrule (2), interior cutting ferrule (1) and outer cutting ferrule (2) support the equidistance and are fixed with support column (4), the outer end of support column (4) is filled with elastic filler (5), the outside equidistance of interior cutting ferrule (1) is equipped with arc arch (3), two form recess (7) between arc arch (3).

2. A highly reliable rear ferrule for a tube fitting according to claim 1, wherein: the inner end of the outer cutting sleeve (2) is coated with an anti-corrosion layer (6), and the other side of the anti-corrosion layer (6) is coated with a high-temperature-resistant layer (8).

3. A highly reliable rear ferrule for a tube fitting according to claim 1, wherein: the outer surfaces of the arc-shaped protrusions (3) and the grooves (7) are coated with wear-resistant layers.

4. A highly reliable rear ferrule for a tube fitting according to claim 1, wherein: and a reinforcing column (9) is fixed inside the supporting column (4).

5. A highly reliable rear ferrule for a tube fitting according to claim 2, wherein: the material of the high temperature prevention layer (8) is carbon fiber.

6. A highly reliable rear ferrule for a tube fitting according to claim 2, wherein: an antibacterial layer is arranged between the anti-corrosion layer (6) and the high temperature prevention layer (8).