CN215000045U

CN215000045U - Non-welding elastic sealing pipe joint

Info

Publication number: CN215000045U
Application number: CN202120237838.8U
Authority: CN
Inventors: 张旭东; 张丽红; 周剑飞; 朱振芳; 陈�胜; 杨美秦
Original assignee: Haiyan Haiguan Pipe Fitting Manufacturing Co ltd
Current assignee: Haiyan Haiguan Pipe Fitting Manufacturing Co ltd
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-12-03
Anticipated expiration: 2031-01-28

Abstract

The utility model discloses a non-welding elastic sealing pipe joint, including first connector and the second connector with first connector rotatable coupling, first connector includes big-end-up's T shape joint body, pipeline, elastic sealing ring and nut, the upper end of T shape joint body is equipped with the screw hole, the lower extreme of T shape joint body is equipped with big-end-up's step hole, the step hole communicates with the screw hole, the lower extreme of step hole is the bell mouth, the pipe end of pipeline is formed with annular anticreep arch through cold forming process, be equipped with the elastic sealing ring with bell mouth matched with on the pipeline above the annular anticreep arch, the cover is equipped with the nut with the lower extreme threaded connection of T shape joint body on the pipeline below the annular anticreep arch, compares with prior art, can assemble easy maintenance, reduces use cost, reduces the requirement to the pipe precision and hardness, the installation moment is reduced, and parts are reduced.

Description

Non-welding elastic sealing pipe joint

[ technical field ] A method for producing a semiconductor device

The utility model relates to a technical field of coupling, especially a technical field of non-welding elasticity sealing tube connects.

[ background of the invention ]

The rotary joint is a sealing part for connecting the rotary shaft of the equipment with fluid medium (oil, water, gas, etc.) from a static pipeline, and is a sealing device for solving the problems of running, overflowing, dripping, leaking, saving energy, protecting environment and improving working conditions. The commonly used rotary joint shell mainly adopts an integral structure, and has certain difficulty in manufacturing, assembling and maintaining.

Because the rotary joint is generally connected with the pipe in a clamping sleeve type manner, the rotary joint has the advantages of good connection and sealing performance, convenient and quick installation and operation and the like, the application range and the use number of the rotary joint are continuously increased, and higher requirements are also provided. If the requirements on the precision and the hardness of the original double-ferrule type connection pipe are higher, the connection strength and the sealing performance can be ensured, and the adverse factors such as larger required installation moment, more parts and the like influence the popularization and the application in a wider range.

[ Utility model ] content

The utility model aims at solving the problem among the prior art, provide a non-welding elasticity sealing tube connects, can assemble easy maintenance, reduce use cost, reduce the requirement to pipe precision and hardness, reduce installation moment, reduce spare part.

In order to achieve the above object, the utility model provides a non-welding elastic sealing pipe joint, including first connector and with first connector rotatable coupling's second connector, first connector includes big-end-up's T shape joint body, pipeline, elastic sealing circle and nut, the upper end of T shape joint body is equipped with the screw hole, the lower extreme of T shape joint body is equipped with big-end-up's step hole down, step hole and screw hole intercommunication, the lower extreme in step hole is the bell mouth, the pipe end of pipeline is formed with annular anticreep arch through cold forming process, be equipped with the elastic sealing circle with bell mouth matched with on the pipeline of the protruding top of annular anticreep, the cover is equipped with the nut with the lower extreme threaded connection of T shape joint body on the protruding below of annular anticreep, the second connector is including connecting body, the T shape cover body, bearing, The connector above the annular body is sequentially provided with a bearing and a T-shaped sleeve body from bottom to top, the small-diameter section of the T-shaped sleeve body is in threaded connection with a threaded hole, and the lower end of the threaded hole is provided with an elastic sealing mechanism for sealing with the annular body.

Preferably, the annular body comprises two half bodies which are spliced together through screws, positioning protrusions are arranged on the inner arc surfaces of the half bodies, positioning grooves which correspond to the positioning protrusions one to one and are matched with the positioning protrusions are arranged on the connecting body, and sealing gaskets are arranged on opposite surfaces of the two half bodies.

Preferably, the lower extreme of screw hole is equipped with the annular groove that is used for setting up elasticity sealing mechanism, elasticity sealing mechanism includes spring body, cyclic annular sealing washer and cyclic annular support, the upper end of spring body is equipped with cyclic annular support, the upper end of cyclic annular support is equipped with cyclic annular sealing washer, the inner circle face and the outer lane face of cyclic annular support all are equipped with the sealing layer and are used for with the sealed between the annular groove.

Preferably, the outer ring surface of the large-diameter section of the T-shaped sleeve body is provided with an inserting groove.

Preferably, the upper end of the annular anti-drop protrusion is provided with a conical sealing part which is in close contact with the conical hole, and the elastic sealing ring is positioned at the upper end of the conical sealing part.

Preferably, an elastic reinforcement body is arranged in the elastic sealing ring, the elastic reinforcement body comprises a conical annular body, and a plurality of C-shaped groove structures are formed on the conical annular body through bending.

Preferably, the upper end of the upper end interface of the joint body is provided with an inverted cone-shaped insertion part, and the taper of the inverted cone-shaped insertion part is 24 degrees.

The utility model has the advantages that: the pipe end of the pipeline is formed with the annular anti-drop bulge through the cold forming process, so that a cutting sleeve of the traditional cutting sleeve type pipe joint is eliminated, the metal pipe does not need to be forced to deform in the installation process, and the requirements on the precision and the hardness of the pipe are reduced; double sealing is formed by the sealing ring and the conical sealing part, so that the sealing property is improved; an elastic reinforcing body is arranged in the sealing ring, so that the sealing performance is further improved, and the application range is improved; the connecting body is provided with an annular body which can be detachably connected, the connecting body above the annular body is sequentially provided with a bearing and a T-shaped sleeve body from bottom to top, after the annular body is detached, the bearing and the T-shaped sleeve body can slide off from the connecting body, the upper end of the spring body is provided with an annular support, the upper end of the annular support is provided with an annular sealing ring, the inner ring surface and the outer ring surface of the annular support are both provided with sealing layers for sealing with an annular groove, the annular sealing ring is always in close contact with the annular body under the acting force of the spring body, the sealing reliability is improved, the service life is prolonged, the annular sealing ring is convenient to replace, compared with the prior art, the assembling and maintenance are convenient, the use cost is reduced, the requirements on the precision and the hardness of the pipe are reduced, the installation torque is reduced, and parts are reduced.

The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.

[ description of the drawings ]

FIG. 1 is a schematic structural view of a non-welded elastic sealing pipe joint according to the present invention;

FIG. 2 is a schematic view of the structure of the ring-shaped body on the connecting body;

FIG. 3 is a schematic view of the structure of the first connector;

FIG. 4 is a schematic view of the construction of the resilient reinforcement.

In the figure: 1-first connector, 2-second connector, 11-T-shaped connector body, 12-pipeline, 13-elastic sealing ring, 14-nut, 15-annular anti-drop bulge, 16-conical sealing part, 17-elastic reinforcing body, 18-threaded hole, 19-stepped hole, 110-conical hole, 111-annular groove, 171-conical annular body, 172-C groove-shaped groove, 21-connector body, 22-T-shaped sleeve body, 23-bearing, 24-elastic sealing mechanism, 25-annular body, 26-connector, 27-positioning groove, 28-insertion groove, 29-inverted conical insertion part, 241-spring body, 242-annular sealing ring, 243-annular support, 244-sealing layer, 251-semi-edge body, etc, 252-positioning projections, 253-gaskets.

[ detailed description ] embodiments

Referring to fig. 1, 2, 3 and 4, the non-welding elastic sealing pipe joint of the present invention includes a first joint 1 and a second joint 2 rotatably connected to the first joint 1, wherein the first joint 1 includes a T-shaped joint body 11 with a large top and a small bottom, a pipe 12, an elastic sealing ring 13 and a nut 14, a threaded hole 18 is formed at the upper end of the T-shaped joint body 11, a stepped hole 19 with a large bottom and a small top is formed at the lower end of the T-shaped joint body 11, the stepped hole 19 is communicated with the threaded hole 18, the lower end of the stepped hole 19 is a tapered hole 110, an annular anti-falling protrusion 15 is formed at the pipe end of the pipe 12 through a cold forming process, the elastic sealing ring 13 matched with the tapered hole 110 is disposed on the pipe 12 above the annular anti-falling protrusion 15, the nut 14 threadedly connected to the lower end of the T-shaped joint body 11 is sleeved on the pipe 12 below the annular anti-falling protrusion 15, the second connector 2 comprises a connector body 21, a T-shaped sleeve body 22, a bearing 23, an elastic sealing mechanism 24 and an annular body 25, wherein a connector 26 is arranged at the lower end of the connector body 21, the annular body 25 detachably connected is arranged on the connector 26, the bearing 23 and the T-shaped sleeve body 22 are sequentially arranged on the connector 26 above the annular body 25 from bottom to top, a small-diameter section of the T-shaped sleeve body 22 is in threaded connection with a threaded hole 18, the elastic sealing mechanism 24 is arranged at the lower end of the threaded hole 18 and used for sealing with the annular body 25, the annular body 25 comprises two half-side bodies 251, the two half-side bodies 251 are spliced together through screws, positioning protrusions 252 are arranged on the inner arc surfaces of the half-side bodies 251, positioning grooves 27 which are in one-to-one correspondence with the positioning protrusions 252 and are matched with the positioning protrusions 27 are arranged on the connector 26, and sealing gaskets 253 are arranged on the opposite surfaces of the two half-side bodies 251, the lower end of the threaded hole 18 is provided with an annular groove 111 for arranging an elastic sealing mechanism 24, the elastic sealing mechanism 24 comprises a spring body 241, an annular sealing ring 242 and an annular support 243, the upper end of the spring body 241 is provided with the annular support 243, the upper end of the annular support 243 is provided with the annular sealing ring 242, the inner ring surface and the outer ring surface of the annular support 243 are both provided with sealing layers 244 for sealing with the annular groove 111, the outer ring surface of the large-diameter section of the T-shaped sleeve body 22 is provided with an insertion groove 28, the upper end of the annular anti-falling protrusion 15 is provided with a conical sealing part 16 which is tightly contacted with the conical hole 110, the elastic sealing ring 13 is positioned at the upper end of the conical sealing part 16, the elastic sealing ring 13 is internally provided with an elastic reinforcing body 17, the elastic reinforcing body 17 comprises a conical annular body 171, and a plurality of C-shaped groove structures 172 are formed on the conical annular body 171 through bending, the upper end of the upper end interface of the joint body 21 is provided with an inverted conical insertion part 29, and the taper of the inverted conical insertion part 29 is 24 degrees.

The utility model discloses the working process:

the utility model relates to a non-welding elastic sealing pipe joint, in the working process, the pipe end of the pipeline is formed with an annular anti-drop bulge through the cold forming process, the cutting sleeve of the traditional cutting sleeve type pipe joint is cancelled, the metal pipe does not need to be forced to deform in the installation process, and the requirements on the precision and the hardness of the pipe are reduced; double sealing is formed by the sealing ring and the conical sealing part, so that the sealing property is improved; an elastic reinforcing body is arranged in the sealing ring, so that the sealing performance is further improved, and the application range is improved; the connecting body is provided with an annular body which can be detachably connected, the connecting body above the annular body is sequentially provided with a bearing and a T-shaped sleeve body from bottom to top, after the annular body is detached, the bearing and the T-shaped sleeve body can slide off from the connecting body, the upper end of the spring body is provided with an annular support, the upper end of the annular support is provided with an annular sealing ring, the inner ring surface and the outer ring surface of the annular support are both provided with sealing layers for sealing with an annular groove, the annular sealing ring is always in close contact with the annular body under the acting force of the spring body, the sealing reliability is improved, the service life is prolonged, the annular sealing ring is convenient to replace, compared with the prior art, the assembling and maintenance are convenient, the use cost is reduced, the requirements on the precision and the hardness of the pipe are reduced, the installation torque is reduced, and parts are reduced.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims

1. The utility model provides a non-welding elasticity sealing tube connects which characterized in that: including first connector (1) and with first connector (1) rotatable coupling's second connector (2), first connector (1) includes big-end-up's T shape and connects body (11), pipeline (12), elastic sealing ring (13) and nut (14), the upper end that the T shape connects the body (11) is equipped with screw hole (18), the lower extreme that the T shape connects body (11) is equipped with big-end-up's step hole (19) down, step hole (19) and screw hole (18) intercommunication, the lower extreme of step hole (19) is bell mouth (110), the pipe end of pipeline (12) is formed with annular anticreep arch (15) through the cold forming technology, be equipped with on pipeline (12) above annular anticreep arch (15) with bell mouth (110) matched with elastic sealing ring (13), the cover is equipped with nut (14) that the lower extreme threaded connection of the T shape connects body (11) on pipeline (12) of annular anticreep arch (15) below, second connector (2) are including connecting body (21), the T shape cover body (22), bearing (23), elasticity sealing mechanism (24) and ring bodies (25), the lower extreme that connects body (21) is equipped with connector (26), be equipped with on connector (26) and dismantle ring bodies (25) of connection, connector (26) of ring bodies (25) top are equipped with bearing (23) and the T shape cover body (22) from bottom to top in proper order, the minor diameter section and screw hole (18) threaded connection of the T shape cover body (22), the lower extreme of screw hole (18) is equipped with elasticity sealing mechanism (24) and is used for with ring bodies (25) between sealed.

2. A non-welded resilient sealing coupler according to claim 1, wherein: the ring-shaped body (25) comprises two half bodies (251), the two half bodies (251) are spliced together through screws, positioning protrusions (252) are arranged on the inner arc surfaces of the half bodies (251), positioning grooves (27) which correspond to the positioning protrusions (252) one to one and are matched with the positioning protrusions (252) are formed in the connecting body (26), and sealing gaskets (253) are arranged on opposite surfaces of the two half bodies (251).

3. A non-welded resilient sealing coupler according to claim 1, wherein: the lower extreme of screw hole (18) is equipped with annular groove (111) that is used for setting up elasticity sealing mechanism (24), elasticity sealing mechanism (24) are including spring body (241), cyclic annular sealing washer (242) and cyclic annular support (243), the upper end of spring body (241) is equipped with cyclic annular support (243), the upper end of cyclic annular support (243) is equipped with cyclic annular sealing washer (242), the inner circle face and the outer lane face of cyclic annular support (243) all are equipped with sealing layer (244) and are used for with the sealed between annular groove (111).

4. A non-welded resilient sealing coupler according to claim 1, wherein: the outer ring surface of the large-diameter section of the T-shaped sleeve body (22) is provided with an inserting groove (28).

5. A non-welded resilient sealing coupler according to claim 1, wherein: the upper end of the annular anti-falling bulge (15) is provided with a conical sealing part (16) which is in close contact with the conical hole (110), and the elastic sealing ring (13) is positioned at the upper end of the conical sealing part (16).

6. A non-welded resilient sealing coupler according to claim 1, wherein: an elastic reinforcing body (17) is arranged in the elastic sealing ring (13), the elastic reinforcing body (17) comprises a conical ring body (171), and a plurality of C-shaped groove-shaped structures (172) are formed on the conical ring body (171) through bending.

7. A non-welded resilient sealing tube fitting according to any of claims 1 to 6, wherein: the upper end of the upper end interface of the joint body (21) is provided with an inverted cone-shaped inserting part (29), and the taper of the inverted cone-shaped inserting part (29) is 24 degrees.