CN218063777U

CN218063777U - Elastic sealing metal ferrule type pipe joint

Info

Publication number: CN218063777U
Application number: CN202222061080.4U
Authority: CN
Inventors: 张兆远; 付立军; 王欢; 付军永; 付军辉; 李俊江
Original assignee: Langfang Better Metal Products Co ltd
Current assignee: Langfang Better Metal Products Co ltd
Priority date: 2022-08-07
Filing date: 2022-08-07
Publication date: 2022-12-16
Anticipated expiration: 2032-08-07

Abstract

The utility model belongs to the technical field of the coupling, and an elasticity sealing metal cutting ferrule formula coupling is disclosed, including cutting ferrule portion and joint portion, cutting ferrule portion and joint portion integrated into one piece, the external screw thread has been seted up to the outward appearance wall of joint portion, and the outside of joint portion is equipped with the cap nut, the inside of cutting ferrule portion is equipped with the rubber circle, the outward appearance wall of rubber circle is fixed with spacing, the spacing groove with spacing looks adaptation is seted up to the interior table wall of cutting ferrule portion, the utility model discloses an add spacing and spacing groove, when installing the rubber circle, can imbed spacing to the spacing inslot, can effectively carry on spacingly to the installation of rubber circle, avoid the rubber circle to take place to rotate, guaranteed the compactness of connecting, avoid taking place to leak, in addition, after screwing the cap nut, the staff can pass the through-hole with the long screw and cross annular flange soon, can effectively increase the stability after the cap nut installation, avoid taking place the slippage.

Description

Elastic sealing metal ferrule type pipe joint

Technical Field

The utility model belongs to the technical field of the coupling, concretely relates to elasticity sealing metal cutting ferrule formula coupling.

Background

The pipe joint is a general name of a connecting pipeline in a hydraulic system or a part for installing the pipeline on a hydraulic element, and is a connecting piece which can be assembled and disassembled in a fluid passage, the pipe joint is a connecting tool between pipelines, is a connecting point which can be assembled and disassembled between the elements and the pipelines, plays an indispensable important role in the pipe fitting, and is one of two main components of the hydraulic pipeline, the pipe joint is used for linear connection of instruments and the like, the connecting form is socket welding or threaded connection, is mainly used for low-pressure pipelines with small diameters, is used for parts which are required to be assembled and disassembled frequently, or is used for final adjustment of the pipeline using the threaded pipe fitting, the structural form is preferably a metal surface contact sealing structure, a gasket sealing structural form is usually used for general pipelines for conveying water, oil, air and the like, and is manufactured by adopting malleable cast iron materials, the pipe joint has various types, the common pipe joint can be generally divided into a hard pipe joint and a soft pipe joint, and if the common pipe joint is divided according to the connecting mode of the pipe joint and the pipelines, the hard pipe joint has three types of a flared type, a clamping type and a soft pipe joint is mainly a fastening type.

But there is certain defect in present ferrule type coupling, and the stability of the rubber circle installation on traditional ferrule type coupling is relatively poor, takes place easily to rotate, and then influences the compactness of connecting, and in addition, the stability that traditional ferrule type coupling is connected is relatively poor, and the slippage takes place easily for the cap nut.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an elastic sealing metal cutting ferrule formula coupling to the stability of the rubber circle installation on the traditional cutting ferrule formula coupling that proposes in solving above-mentioned background art is relatively poor, easily takes place the pivoted problem, and in addition, the stability that traditional cutting ferrule formula coupling is connected is relatively poor, and the problem of slippage easily takes place for the overcoat nut.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an elastic sealing metal cutting ferrule formula coupling, includes cutting ferrule portion and joint portion, cutting ferrule portion and joint portion integrated into one piece, the external screw thread has been seted up to the exterior wall of joint portion, and the outside of joint portion is equipped with cap nut, the inside of cutting ferrule portion is equipped with the rubber circle, the exterior wall of rubber circle is fixed with spacing, the spacing groove with spacing looks adaptation is seted up to the interior table wall of cutting ferrule portion.

Preferably, be equipped with annular flange between card cover portion and the joint portion, the lateral wall of cap nut is annular array and has seted up the through-hole, the inside of through-hole closes soon and is connected with long screw, long screw closes soon and passes annular flange.

Preferably, the outer surface wall of the clamping sleeve part is provided with a limiting hole, and the inside of the limiting hole is screwed with a limiting pin.

Preferably, the outer surface wall of the rubber ring is provided with a through hole, and the inner diameter of the through hole is the same as that of the limiting hole.

Preferably, the outer nut is a hexagon nut, and the outer wall of the outer nut is provided with anti-skid threads.

Preferably, the limiting holes are at least two, and the limiting holes are distributed in an annular array.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) The utility model discloses an add spacing and spacing groove, when the installation rubber circle, can be with spacing embedding to spacing inslot, can effectively carry on spacingly to the installation of rubber circle, avoid the rubber circle to take place to rotate, guaranteed the inseparable degree of connecting between the body, avoid taking place to leak.

(2) The utility model discloses an add annular flange, through-hole and long screw, after the overcoat nut was screwed on, the staff can pass the through-hole with the long screw and cross annular flange soon, can effectively increase the stability after the installation of overcoat nut, avoids taking place the slippage, has guaranteed the fastness of connecting between the body.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is an external view of the ferrule portion and the joint portion of the present invention;

fig. 3 is a side view of the inventive cap nut;

fig. 4 is a side view of the collar portion of the present invention;

FIG. 5 is an enlarged view of the portion A in FIG. 4;

in the figure: 1. a card sleeve part; 2. an annular convex plate; 3. a nut is sleeved; 4. a long screw; 5. a limit pin; 6. A limiting hole; 7. a joint portion; 8. an external thread; 9. a through hole; 10. a rubber ring; 11. a limiting strip; 12. A limiting groove.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides an elasticity sealed metal cutting ferrule formula coupling, including cutting ferrule portion 1 and joint portion 7, cutting ferrule portion 1 and joint portion 7 integrated into one piece, external screw thread 8 has been seted up to the exterior wall of joint portion 7, and the outside of joint portion 7 is equipped with cap nut 3, the inside of cutting ferrule portion 1 is equipped with rubber circle 10, the material of rubber circle 10 adopts high temperature resistant tetrafluoro rubber, except that the part adoption stainless steel or pure copper material of rubber circle 10, the exterior wall of rubber circle 10 is fixed with spacing 11, the spacing groove 12 with spacing 11 looks adaptations is seted up to the interior table wall of cutting ferrule portion 1, concretely, when installing rubber circle 10, can imbed spacing 11 to spacing inslot 12, can effectively carry on spacingly to the installation of rubber circle 10, avoid rubber circle 10 to take place to rotate, the compactness of connection has been guaranteed, avoid taking place to leak, the fastness of connecting between the body has been guaranteed.

Further, be equipped with annular flange 2 between cutting ferrule portion 1 and the joint portion 7, the lateral wall of overcoat nut 3 is annular array and has seted up through-hole 9, and the inside of through-hole 9 is closed soon and is connected with long screw 4, and long screw 4 closes soon and passes annular flange 2, specifically, after overcoat nut 3 was screwed on, the staff can pass through-hole 9 and revolve annular flange 2 with long screw 4, can effectively increase the stability after the installation of overcoat nut 3, avoids taking place the slippage.

Further, spacing hole 6 has been seted up to the exterior wall of cutting ferrule portion 1, and the inside of spacing hole 6 closes soon and is connected with spacer pin 5, and spacing hole 6 has seted up two at least, and spacing hole 6 is the annular array and distributes, specifically, after body and cutting ferrule portion 1 are connected, can pass spacing hole 6 with spacer pin 5 and support tight body, can increase the stability that the body is connected.

Further, the outer surface wall of the rubber ring 10 is provided with a through hole, the inner diameter of the through hole is the same as the inner diameter of the limiting hole 6, and specifically, the through hole is used for the limiting pin 5 to pass through.

Further, the outer sleeve nut 3 is a hexagon nut, and the outer surface wall of the outer sleeve nut 3 is provided with anti-slip threads, specifically, the anti-slip threads arranged on the outer wall of the hexagon nut can increase the stability of rotating the outer sleeve nut 3, and the occurrence of slipping threads is avoided.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An elastic sealing metal ferrule type pipe joint is characterized in that: including bayonet socket portion (1) and joint portion (7), bayonet socket portion (1) and joint portion (7) integrated into one piece, external screw thread (8) have been seted up to the exterior wall of joint portion (7), and the outside of joint portion (7) is equipped with cap nut (3), the inside of bayonet socket portion (1) is equipped with rubber circle (10), the exterior wall of rubber circle (10) is fixed with spacing (11), spacing groove (12) with spacing (11) looks adaptation are seted up to the interior table wall of bayonet socket portion (1).

2. The resiliently sealed metal ferrule type tube fitting of claim 1, wherein: be equipped with annular flange (2) between card cover portion (1) and joint portion (7), the lateral wall of cap nut (3) is annular array and has seted up through-hole (9), the inside of through-hole (9) closes soon and is connected with long screw (4), long screw (4) close soon and pass annular flange (2).

3. The resiliently sealable metal ferrule type tube fitting of claim 2, wherein: the outer wall of the clamping sleeve part (1) is provided with a limiting hole (6), and the inside of the limiting hole (6) is connected with a limiting pin (5) in a screwing mode.

4. A resilient sealing metal ferrule type fitting according to claim 3, wherein: the outer surface wall of the rubber ring (10) is provided with a through hole, and the inner diameter of the through hole is the same as that of the limiting hole (6).

5. The resiliently sealed metal ferrule type fitting of claim 4, wherein: the outer sleeve nut (3) is a hexagonal nut, and anti-skid grains are formed in the outer surface wall of the outer sleeve nut (3).

6. The resiliently sealable metal ferrule type tube fitting of claim 5, wherein: the limiting holes (6) are at least two, and the limiting holes (6) are distributed in an annular array.