CN213839922U

CN213839922U - Ferrule type pipe joint

Info

Publication number: CN213839922U
Application number: CN202022621644.6U
Authority: CN
Inventors: 赵世杰; 张小超; 马俊辉
Original assignee: Shijiazhuang Weixu Mechanical Equipment Co ltd
Current assignee: Shijiazhuang Weixu Mechanical Equipment Co ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-07-30
Anticipated expiration: 2030-11-13

Abstract

The utility model discloses a cutting ferrule formula coupling, including the coupling body, the equal movable mounting in coupling body outside both ends has the cutting ferrule nut, the equal movable mounting in position that the coupling body inboard is close to both ends has preceding cutting ferrule, the equal movable mounting in position that the inboard upper surface of preceding cutting ferrule is close to the upper surface has the back cutting ferrule, the equal fixed mounting in position that cutting ferrule nut lower surface is close to the edge has fixed ring, the position movable mounting of the inboard upper end of cutting ferrule nut has the rubber sleeve. A cutting ferrule formula coupling, the retainer plate of fixed ring in through rotatory outside recess for screw fixation ring aligns, passes the screw through-hole on the screw fixation ring with the bolt, utilizes the nut fixed, can make the cutting ferrule nut can not become loose because of time overlength like this, make the pipe connection more firm, can increase the holistic leakproofness of cutting ferrule formula coupling through rubber sleeve one, two can avoid cutting ferrule nut and pipeline outside friction.

Description

Ferrule type pipe joint

Technical Field

The utility model relates to a coupling technical field, in particular to cutting ferrule formula coupling.

Background

The ferrule type pipe joint is a sealed pipe joint suitable for non-corrosive or corrosive media such as oil, water, gas and the like, has more flexible specification requirements of an aluminum plastic pipe, has the characteristics of firm connection, good sealing performance and the like after being connected with a pipeline, is widely adopted in systems such as oil refining, chemical engineering, light industry, textile, national defense, metallurgy, aviation, ships and the like, and is also suitable for hydraulic transmission pipelines such as various mechanical engineering, machine tool equipment and the like, and is divided into a single ferrule type pipe joint and a multi-ferrule type pipe joint, wherein the double-ferrule type pipe joint is used more; the existing double-ferrule type pipe joint has certain disadvantages in use, the ferrule nut can be loosened after being screwed for too long time, and the sealing performance of the common ferrule type pipe joint is not good.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a ferrule type pipe joint, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a cutting ferrule formula coupling, includes the coupling body, the equal movable mounting in coupling body outside both ends has cutting ferrule nut, the inboard equal movable mounting in position that is close to both ends of coupling body has preceding cutting ferrule, the inboard equal movable mounting in position that is close to the upper surface of preceding cutting ferrule has the back cutting ferrule, the equal fixed mounting in position that cutting ferrule nut lower surface is close to the edge has a fixed ring, the position movable mounting of the inboard upper end of cutting ferrule nut has the rubber sleeve, the position movable mounting that the coupling body outside is close to fixed ring has the rubber pad.

Preferably, a groove is formed in the position between the upper surface and the lower surface of the outer side of the fixing ring, a fixing ring is movably mounted on the inner side of the groove, screw fixing rings are fixedly mounted on two sides of the fixing ring, and a screw through hole is formed in the center of the upper surface of each screw fixing ring.

Preferably, the screw fixing rings are movably connected through screw through holes by bolts.

Preferably, the number of the ferrule nuts is two, the number of the front ferrule is two, the number of the rear ferrule is two, the number of the fixing rings is two, the number of the rubber sleeves is two, and the number of the rubber pads is two.

Preferably, the upper surface of the rubber sleeve is in the shape of a circular ring, and the upper surface of the rubber pad is in the shape of a circular ring.

Preferably, the rubber sleeve is provided with a clamping groove on the outer side.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through the fixed ring that sets up, fixed ring is through the retainer plate in the rotatory outside recess for screw fixation ring aligns, passes the screw through-hole on the screw fixation ring with the bolt, and it is fixed to utilize the nut, can make the cutting ferrule nut can not become loose because of time overlength like this, makes the pipe connection more firm, and through the rubber sleeve that sets up, rubber sleeve one can increase the holistic leakproofness of cutting ferrule coupling, and two can avoid cutting ferrule nut and the outside friction of pipeline.

Drawings

Fig. 1 is a schematic view of an overall structure of a ferrule type pipe joint according to the present invention;

fig. 2 is an exploded schematic view of the upper half of a ferrule type pipe joint according to the present invention;

fig. 3 is an enlarged view of a portion a of the ferrule type tube fitting of the present invention shown in fig. 1;

fig. 4 is an enlarged view of a portion B of the ferrule type tube fitting according to the present invention in fig. 2.

In the figure: 1. a pipe joint body; 2. cutting the nut; 3. a front ferrule; 4. a rear ferrule; 5. fixing the circular ring; 501. a groove; 502. a stationary ring; 503. a screw fixing ring; 504. a screw through hole; 6. a rubber sleeve; 7. and (7) a rubber pad.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a ferrule type pipe joint comprises a pipe joint body 1, ferrule nuts 2 are movably mounted at both ends of the outer side of the pipe joint body 1, front ferrules 3 are movably mounted at positions close to both ends of the inner side of the pipe joint body 1, rear ferrules 4 are movably mounted at positions close to the upper surface of the inner side of the front ferrules 3, fixed rings 5 are fixedly mounted at positions close to the edges of the lower surfaces of the ferrule nuts 2, rubber sleeves 6 are movably mounted at positions at the upper ends of the inner sides of the ferrule nuts 2, and rubber pads 7 are movably mounted at positions close to the fixed rings 5 at the outer side of the pipe joint body 1;

a groove 501 is formed between the upper surface and the lower surface of the outer side of the fixing ring 5, a fixing ring 502 is movably mounted on the inner side of the groove 501, screw fixing rings 503 are fixedly mounted on two sides of the fixing ring 502, and a screw through hole 504 is formed in the center of the upper surface of each screw fixing ring 503; the screw fixing rings 503 are movably connected through bolts passing through the screw through holes 504; the number of the ferrule nuts 2 is two, the number of the front ferrule 3 is two, the number of the rear ferrule 4 is two, the number of the fixed ring 5 is two, the number of the rubber sleeve 6 is two, and the number of the rubber pad 7 is two; the upper surface of the rubber sleeve 6 is in the shape of a circular ring, and the upper surface of the rubber pad 7 is in the shape of a circular ring; the outside of the rubber sleeve 6 is provided with a clamping groove.

It should be noted that, the utility model relates to a cutting ferrule formula coupling, when using, the one end of the pipeline that will connect inserts the inboard of coupling body 1, twist cutting ferrule nut 2 to coupling body 1 outside middle part, until twisting motionless, preceding cutting ferrule 3 blocks between pipeline outside and coupling body 1 is inboard, back cutting ferrule 4 blocks between 3 inboards in the pipeline outside in preceding cutting ferrule, retainer plate 502 in 5 outside recesses 501 of rotatory fixed ring, make solid fixed ring 503 align, pass the screw through-hole 504 on the solid fixed ring 503 of screw with the bolt, it is fixed to utilize the nut, can make cutting ferrule nut 2 can not become the pine because of the overlength like this, make pipe connection more firm, pipe connection accomplishes, 6 one of rubber sleeve can increase the holistic leakproofness of cutting ferrule formula coupling, two can avoid cutting ferrule nut 2 and the pipeline outside friction.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A ferrule type pipe joint is characterized in that: including coupling body (1), the equal movable mounting in coupling body (1) outside both ends has cutting ferrule nut (2), cutting ferrule (3) before the equal movable mounting in position that coupling body (1) inboard is close to both ends, the equal movable mounting in position that preceding cutting ferrule (3) inboard is close to the upper surface has back cutting ferrule (4), the equal fixed mounting in position that cutting ferrule nut (2) lower surface is close to the edge has retaining ring (5), the position movable mounting of cutting ferrule nut (2) inboard upper end has rubber sleeve (6), the position movable mounting that coupling body (1) outside is close to retaining ring (5) has rubber pad (7).

2. The ferrule-type tube fitting of claim 1, wherein: the position between fixed ring (5) outside upper surface and the lower surface is seted up flutedly (501), the inboard movable mounting of recess (501) has retainer plate (502), the equal fixed mounting in both sides of retainer plate (502) has screw fixation ring (503), screw through-hole (504) have been seted up to the upper surface central point of screw fixation ring (503).

3. The ferrule-type tube fitting of claim 2, wherein: the screw fixing rings (503) are movably connected through bolts passing through screw through holes (504).

4. The ferrule-type tube fitting of claim 1, wherein: the number of the clamping sleeve nuts (2) is two, the number of the front clamping sleeve (3) is two, the number of the rear clamping sleeve (4) is two, the number of the fixed circular ring (5) is two, the number of the rubber sleeve (6) is two, and the number of the rubber pad (7) is two.

5. The ferrule-type tube fitting of claim 1, wherein: the upper surface of the rubber sleeve (6) is in the shape of a circular ring, and the upper surface of the rubber pad (7) is in the shape of a circular ring.

6. The ferrule-type tube fitting of claim 1, wherein: the outer side of the rubber sleeve (6) is provided with a clamping groove.