CN210600607U

CN210600607U - Three-way pipe joint

Info

Publication number: CN210600607U
Application number: CN201920280876.4U
Authority: CN
Inventors: 凌坚昌
Original assignee: Suzhou Jointand Piping System Co ltd
Current assignee: Suzhou Jointand Piping System Co ltd
Priority date: 2019-03-06
Filing date: 2019-03-06
Publication date: 2020-05-22
Anticipated expiration: 2029-03-06

Abstract

The application discloses three-way pipe joint includes: the sealing ring comprises an annular shell with an opening, a fastening device arranged at the opening of the annular shell, and a sealing ring arranged in the annular shell; the sealing ring is fixedly connected with the annular shell, communicated with the central inner cavity of the sealing ring and used for fixedly connecting the end part of a pipeline and enabling the pipeline to be communicated with the central inner cavity of the sealing ring. This kind of three-way pipe joint of this application has just directly increased a joint alright acquisition on traditional double-barrelled pipe joint, easy preparation, and low cost and very practical can communicate three pipelines simultaneously, convenient and practical.

Description

Three-way pipe joint

Technical Field

The application relates to a pipe joint, in particular to a three-way pipe joint.

Background

In pipeline construction, pipeline connection is a very common application requirement. At present, pipe joints are widely used for connecting pipelines.

The existing pipe joint generally comprises an annular shell with an opening, a sealing ring is arranged in the shell, the outer wall of the sealing ring is tightly attached to the inner wall of the shell but the outer wall of the sealing ring and the inner wall of the shell are not fixed together, a fastening mechanism is arranged at the opening of the shell and used for fastening the shell, when the fastening mechanism is contracted, a gap at the opening of the shell is reduced, the shell forms a radial inward clamping force on the sealing ring, so that the shell is fastened, and further, the inner wall of the sealing ring is contracted to clamp the outer wall of a pipeline placed in the shell to realize sealing.

However, since the pipe joint of the above conventional structure can connect only two pipes, it cannot connect three pipes at the same time.

Disclosure of Invention

The purpose of the application is: in view of the above problems, a three-way pipe joint capable of communicating three pipes simultaneously is provided.

The technical scheme of the application is as follows:

a tee fitting, comprising:

an annular outer shell with an opening is arranged on the outer shell,

a fastening device arranged at the opening of the annular housing, and

a seal ring disposed within the annular housing;

the sealing ring is fixedly connected with the annular shell, communicated with the central inner cavity of the sealing ring and used for fixedly connecting the end part of a pipeline and enabling the pipeline to be communicated with the central inner cavity of the sealing ring;

the cylindrical pipe joint includes:

the base is provided with an inner side end which is arranged by being attached to the outer wall surface of the annular shell and an outer side end which is deviated from the inner side end, the inner hole wall of the inner side end is provided with an internal thread, and the outer side end is provided with an external thread;

the hollow bolt is axially penetrated and provided with a central through hole, and sequentially penetrates through the sealing ring and the annular shell from the inner side of the sealing ring to the outer side in the radial direction to be in locking fit with the internal thread in the base, so that the base and the annular shell are mutually fixed;

the clamping seat is cylindrical, one axial end of the clamping seat is provided with an annular outer flange protruding outwards in the radial direction, the clamping seat is inserted into the outer side end of the base, and the annular outer flange is axially abutted against the end face of the outer side end of the base;

the C-shaped retaining ring is attached to the axial outer end face of the clamping seat;

the lock cap is arranged coaxially with the base and provided with an inner end close to the annular shell and an outer end far away from the inner end, an annular inner flange protruding inwards in the radial direction is integrally arranged at the end face of the outer end, an inner hole wall of the inner end is provided with an inner thread connected with the outer thread of the base, and the hole diameter of the outer end part of the lock cap is gradually increased from outside to inside.

On the basis of the technical scheme, the application also comprises the following preferable scheme:

the cylindrical pipe joint is arranged perpendicular to the annular housing.

The tubular pipe joint and the opening are respectively arranged on two opposite sides of the annular shell in the radial direction.

The cylindrical pipe joint further comprises a second sealing ring sleeved in the base.

The sealing ring and the second sealing ring are both rubber rings.

The fastening device comprises a pair of lugs which are respectively arranged on the annular shells at the two sides of the opening, the lugs are formed by bending the annular shells outwards from the opening, and the tail ends of the bent parts are fixed on the annular shells; the bending part of each lug is symmetrically provided with two axially spaced positioning holes, each positioning hole is a long hole with uniform width, two ends of the length of each long hole are of a semicircular structure, round steel penetrates through each lug respectively, a bolt passing hole and a threaded hole corresponding to each positioning hole are formed in each round steel, and a bolt transversely penetrates through the corresponding bolt passing hole to be in threaded connection with the threaded hole.

The ends of the bent portions of the lugs are fixed to the annular housing by welding.

The annular shell is provided with an opening, the annular shell is provided with a connecting hole, the connecting hole is communicated with the.

The application has the advantages that: this application has directly increased a joint on the basis of traditional double-barrelled coupling to make it communicate three pipelines simultaneously, make easily, low cost and very practical.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is an external view of a three-way pipe joint according to an embodiment of the present invention;

FIG. 2 is a partial cross-sectional view of a tee fitting of the present application;

FIG. 3 is another partial cross-sectional view of the tee fitting of the present application;

wherein: 1-annular shell, 11-retaining wall, 1 a-opening, 2-fastening device, 21-lug, 22-positioning hole, 23-round steel, 24-bolt, 3-cylindrical pipe joint, 31-base, 32-upper cover, 33-retaining ring, 34-clamping seat, 35-second sealing ring, 36-hollow bolt, 4-sealing ring, 5-annular clamping hoop and 6-matching bridge.

Detailed Description

The above-described scheme is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes and are not intended to limit the scope of the present application. The conditions used in the examples may be further adjusted according to the conditions of the particular manufacturer, and the conditions not specified are generally the conditions in routine experiments.

Fig. 1 to 3 show a specific embodiment of the tee joint according to the present invention, which also includes an annular housing 1 having an opening 1a (specifically, the circumferential surface of the annular housing 1 is axially broken to form the opening 1a, a fastening device 2 disposed at the opening of the annular housing, and a sealing ring 4 disposed in the annular housing, as in the conventional pipe joint.

Referring to fig. 1, two axial ends of the annular housing 1 are formed with retaining walls 11 extending radially inward, and an annular clamp 5 with a fracture is disposed between the retaining walls 11 and the seal ring 4 in the annular housing 1. The port of the annular collar 5 corresponds to the opening 1a of the annular housing 1. In practical application, after the pipe joint is fastened, the sealing ring 3 is pressed to deform and tightly press the annular clamping hoop 5, so that the annular clamping hoop 5 is clamped on the outer wall of the pipeline, and the pipe joint is prevented from axially deviating on the pipeline.

Referring to fig. 1 again, the fastening device 2 includes a pair of lugs 21 respectively disposed on the annular housing 1 at both sides of the opening 1a, the lugs 21 are formed by bending the annular housing 1 outward from the opening, and the ends of the bent portions are fixed to the annular housing. The bending part of each lug is symmetrically provided with two positioning holes 22 which are axially spaced. In addition, in order to facilitate the processing of the positioning hole 22 at the bending position of the lug, the positioning hole 22 is configured as a long hole with uniform width, and both ends of the length of the long hole are in a semicircular structure. Round steel 23 is respectively arranged in each lug in a penetrating manner, a bolt passing hole and a threaded hole corresponding to the positioning hole are formed in each round steel 23, and a bolt 24 transversely penetrates through the corresponding bolt passing hole to be in threaded connection with the threaded hole. In practical application, the end parts of the two pipelines are respectively inserted into the sealing rings 4, and the fastening and the removal of the three-way pipe joint on the two pipelines are realized through the rotating matching of the bolts 24 and the round steel 23 with threaded holes.

In this example, the end of the bent portion of the lug 21 is fixed to the ring-shaped case 1 by welding.

The pipe joint further includes a bridge 6, and the bridge 6 is installed at the opening 1a of the ring-shaped housing 1 for closing the opening 1 a. One end of the matching bridge 6 is welded and fixed with the inner wall of one side of the opening of the annular shell, and the other end is a free end. When the opening 1a is tightened by the fastening means 2 of the pipe joint, the free end of the bridge 6 can move along the inner wall of the housing.

The key improvement of this embodiment is that a cylindrical pipe joint 3 is fixedly connected with the annular housing 1, and the cylindrical pipe joint 3 is communicated with the central cavity of the sealing ring 4 and is used for fixedly connecting the end of a third pipeline, so that the third pipeline is communicated with the central cavity of the sealing ring 4. So that the third pipe is communicated with the two pipes.

In the present embodiment, the cylindrical pipe joint 3 is arranged perpendicularly to the annular housing 1, and the cylindrical pipe joint 3 and the opening 1a are arranged on two diametrically opposite sides of the annular housing 1, respectively.

Referring to fig. 2, the cylindrical pipe joint 3 mainly includes a cylindrical base 31, a hollow bolt 36 having a central through hole formed therein in an axial direction, a socket 34, a C-shaped snap ring 33, and a lock cap 32, wherein:

the base 31 has an inner end disposed to be in contact with an outer wall surface of the annular housing 1 and an outer end away from the inner end, an inner hole wall of the inner end is formed with an inner thread, and an outer surface of the outer end is formed with an outer thread.

The hollow bolt 36 passes through the sealing ring 4 and the internal thread of the annular shell 1 and the base 31 in turn from the inner side of the sealing ring 4 radially outwards to be in locking fit, so that the base 31 and the annular shell 1 are fixed to each other.

The clamping seat 34 is cylindrical, and an annular outer flange protruding radially outwards is integrally arranged at one axial end of the clamping seat 34. The cartridge 34 is inserted in the outer end of the base 31 and the aforementioned external annular flange axially abuts against the end face of the outer end of the base 31.

The retaining ring 33 is similar in construction to the annular housing described above, and is also of annular construction with an opening-C-shaped. The snap ring 33 is arranged against an axially outer end face of the cassette 34.

The lock cap 32 is arranged coaxially with the base 36, the lock cap 32 is provided with an inner end close to the annular shell 1 and an outer end departing from the inner end, an annular inner flange protruding inwards in the radial direction is integrally arranged on the end face of the outer end, and an inner hole wall of the inner end is provided with an inner thread connected with an outer thread of the base 31. And, the hole diameter of the outer end portion of the locking cap 32 becomes gradually larger from the outside to the inside.

In practical application, one end of the third pipe is inserted into the base 31 through the retaining ring 33 and the clamping seat 34 in sequence, and the locking cap 32 is rotated to move downward in fig. 2. Because the aperture of the inner hole of the upper half part (outer end part) of the lock cap 32 is gradually increased from top to bottom, when the lock cap 32 moves downwards, the C-shaped snap ring 33 is continuously and radially and inwards extruded, so that the snap ring 33 is radially contracted and deformed, and the third pipeline is tightly embraced, so that the third pipeline is fixedly connected with the three-way pipe joint.

In the present embodiment, another seal ring is further sleeved in the base 31, and for convenience, the seal ring sleeved in the base 31 is referred to as a second seal ring 35, so as to be distinguished from the seal ring 4 in the annular housing. The seal ring 4 and the second seal ring 35 are both rubber rings.

It should be understood that the above-mentioned embodiments are only illustrative of the technical concepts and features of the present application, and the present application is not limited thereto. All equivalent changes and modifications made according to the spirit of the main technical scheme of the application are covered in the protection scope of the application.

Claims

1. A tee fitting, comprising:

an annular housing (1) with an opening (1a),

a fastening device (2) arranged at the opening of the annular housing (1), and

a sealing ring (4) arranged within the annular housing (1);

the device is characterized by also comprising a cylindrical pipe joint (3) which is fixedly connected with the annular shell (1), is communicated with the central inner cavity of the sealing ring (4) and is used for fixedly connecting the end part of a pipeline and enabling the pipeline to be communicated with the central inner cavity of the sealing ring (4);

the cylindrical pipe joint (3) includes:

the base (31) is cylindrical, and is provided with an inner side end which is arranged in a manner of being attached to the outer wall surface of the annular shell (1) and an outer side end which deviates from the inner side end, the inner hole wall of the inner side end is provided with an internal thread, and the outer side end is provided with an external thread;

a hollow bolt (36) with a central through hole is axially arranged in the base, and the hollow bolt (36) sequentially penetrates through the sealing ring (4) and the annular shell (1) from the inner side of the sealing ring (4) to the radial direction and outwards and is in locking fit with the internal thread in the base (31), so that the base (31) and the annular shell (1) are mutually fixed;

the clamping seat (34) is cylindrical, one axial end of the clamping seat (34) is provided with an annular outer flange protruding outwards in the radial direction, the clamping seat (34) is inserted into the outer side end of the base (31), and the annular outer flange is axially abutted against the end face of the outer side end of the base (31);

the clamping ring (33) is in a C shape, and the clamping ring (33) is arranged on the outer end face in the axial direction of the clamping seat (34) in an abutting mode;

the locking cap (32) is coaxially arranged with the base (31), the locking cap (32) is provided with an inner end close to the annular shell (1) and an outer end far away from the inner end, an annular inner flange protruding inwards in the radial direction is integrally arranged at the end face of the outer end, an inner hole wall of the inner end is provided with an inner thread connected with the outer thread of the base (31), and the hole diameter of the outer end part of the locking cap (32) is gradually increased from outside to inside.

2. The tee fitting of claim 1, wherein the cylindrical pipe joint (3) is arranged perpendicular to the annular housing (1).

3. The tee fitting according to claim 1, characterized in that said cylindrical pipe joint (3) and said opening (1a) are arranged on two radially opposite sides of said annular housing (1), respectively.

4. The tee fitting of claim 1, wherein said cylindrical fitting (3) further comprises a second seal ring (35) fitted within said base (31).

5. The three-way pipe joint according to claim 4, wherein the sealing ring (4) and the second sealing ring (35) are both rubber rings.

6. The pipe tee coupling of claim 1, wherein said fastening means (2) comprises a pair of lugs (21) respectively provided on the annular housing (1) on both sides of said opening (1a), said lugs (21) being formed by bending the annular housing (1) outwardly from the opening, the distal ends of the bent portions being fixed to the annular housing; the bending part of each lug is symmetrically provided with two positioning holes (22) at intervals in the axial direction, each positioning hole (22) is a strip-shaped hole with uniform width dimension, two ends of the length of each strip-shaped hole are of a semicircular structure, round steel (23) penetrates through each lug respectively, a bolt passing hole and a threaded hole corresponding to each positioning hole are formed in each round steel (23), and a bolt (24) transversely penetrates through the corresponding bolt passing hole to be in threaded connection with the threaded hole.

7. Tee coupling according to claim 6, characterised in that the ends of the bent parts of the lugs (21) are fixed to the annular housing (1) by welding.

8. The tee fitting of claim 1, wherein: the annular shell is characterized by further comprising a matching bridge (6) used for sealing the opening (1a) of the annular shell, one end of the matching bridge (6) is fixedly connected with the inner wall of one side of the opening of the annular shell, and the other end of the matching bridge is a free end.