CN112856073B - Non-welding elastic sealing pipe joint - Google Patents
Non-welding elastic sealing pipe joint Download PDFInfo
- Publication number
- CN112856073B CN112856073B CN202110116548.2A CN202110116548A CN112856073B CN 112856073 B CN112856073 B CN 112856073B CN 202110116548 A CN202110116548 A CN 202110116548A CN 112856073 B CN112856073 B CN 112856073B
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- CN
- China
- Prior art keywords
- annular
- connector
- sealing
- elastic sealing
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 87
- 238000003466 welding Methods 0.000 title abstract description 6
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000002787 reinforcement Effects 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 2
- 125000004122 cyclic group Chemical group 0.000 description 9
- 238000005520 cutting process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000011900 installation process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/08—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe
- F16L27/0804—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another
- F16L27/0808—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation
- F16L27/0824—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation with ball or roller bearings
- F16L27/0832—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation with ball or roller bearings having axial bearings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
- Joints With Pressure Members (AREA)
Abstract
The invention discloses a non-welding elastic sealing pipe joint, which comprises a first connector and a second connector rotatably connected with the first connector, wherein the first connector comprises a T-shaped connector body with a big upper part and a small lower part, a pipeline, an elastic sealing ring and a nut, the upper end of the T-shaped connector body is provided with a threaded hole, the lower end of the T-shaped connector body is provided with a step hole with a big lower part and a small upper part, the step hole is communicated with the threaded hole, the lower end of the step hole is a conical hole, the pipe end of the pipeline is provided with an annular anti-falling bulge through a cold forming process, the pipeline above the annular anti-falling bulge is provided with an elastic sealing ring matched with the conical hole, and the pipeline below the annular anti-falling bulge is sleeved with a nut in threaded connection with the lower end of the T-shaped connector body.
Description
[ Field of technology ]
The invention relates to the technical field of pipe joints, in particular to the technical field of non-welded elastic sealing pipe joints.
[ Background Art ]
The rotary joint is a connecting sealing part for inputting fluid medium (oil, water, gas, etc.) from a static pipeline to a rotary shaft in the equipment, and is a sealing device for solving the problems of running, overflowing, dripping and leaking, saving energy, protecting environment and improving working conditions. The rotary joint shell which is usually used mainly adopts an integral structure, and has certain difficulty in manufacturing, assembling and maintaining.
Because the rotary joint is connected with the pipe in a clamping sleeve type, the rotary joint has the advantages of good connection and sealing, convenient and quick installation and operation, and the like, the application range and the use quantity of the rotary joint are continuously increased, and higher requirements are also put forward. If the original double-clamping sleeve type connection has higher requirements on the precision and hardness of the pipe, the connection strength and the tightness of the pipe can be ensured, and the adverse factors of larger required installation moment, more parts and the like influence the popularization and application in a larger range.
[ Invention ]
The invention aims to solve the problems in the prior art, and provides a non-welding elastic sealing pipe joint which can be assembled and maintained conveniently, reduces the use cost, reduces the requirements on pipe accuracy and hardness, reduces the installation moment and reduces parts.
In order to achieve the above purpose, the invention provides a non-welding elastic sealing pipe joint, which comprises a first connecting joint and a second connecting joint rotatably connected with the first connecting joint, wherein the first connecting joint comprises a T-shaped joint body with a big upper part and a small lower part, a pipeline, an elastic sealing ring and a nut, the upper end of the T-shaped joint body is provided with a threaded hole, the lower end of the T-shaped joint body is provided with a step hole with a big lower part and a small upper part, the step hole is communicated with the threaded hole, the lower end of the step hole is a conical hole, the pipe end of the pipeline is formed with an annular anti-drop bulge through a cold forming process, an elastic sealing ring matched with the conical hole is arranged on the pipeline above the annular anti-drop bulge, a nut in threaded connection with the lower end of the T-shaped joint body is sleeved on the pipeline below the annular anti-drop bulge, the second connecting joint body comprises a joint body, a T-shaped sleeve body, a bearing, an elastic sealing mechanism and an annular body, the lower end of the joint body is provided with a connecting body with a detachable annular body, the connecting body is sequentially provided with a diameter from the lower part to the upper part, the connecting body is provided with the T-shaped sealing mechanism and the threaded hole is used for connecting with the threaded hole between the T-shaped sealing mechanism and the threaded hole.
Preferably, the annular body comprises two half bodies, the two half bodies are connected together through screw splicing, positioning protrusions are arranged on inner cambered surfaces of the half bodies, positioning grooves which are in one-to-one correspondence with the positioning protrusions and 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 end of the threaded hole is provided with an annular groove for arranging an elastic sealing mechanism, the elastic sealing mechanism comprises a spring body, an annular sealing ring and an annular support, the upper end of the spring body is provided with the annular support, the upper end of the annular support is provided with the annular sealing ring, and the inner ring surface and the outer ring surface of the annular support are both provided with sealing layers for sealing with the annular groove.
Preferably, an inserting groove is formed in the outer ring surface of the large-diameter section of the T-shaped sleeve body.
Preferably, the upper end of the annular anti-drop protrusion is provided with a conical sealing part closely contacted 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, an inverted cone-shaped plug-in part is arranged at the upper end of the upper end connector of the connector body, and the taper of the inverted cone-shaped plug-in part is 24 degrees.
The invention has the beneficial effects that: according to the invention, the annular anti-drop protrusions are formed at the pipe ends of the pipes through a cold forming process, so that the cutting sleeve of the traditional cutting sleeve type pipe joint is eliminated, the metal pipes do not need to be forced to deform in the installation process, and the requirements on the precision and hardness of the pipes are reduced; double sealing is formed through the sealing ring and the conical sealing part, so that the tightness 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 a detachable annular body, 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 down 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 between the annular support and 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 time is prolonged, and the annular sealing ring is convenient to replace.
The features and advantages of the present invention will be described in detail by way of example with reference to the accompanying drawings.
[ Description of the drawings ]
FIG. 1 is a schematic view of a non-welded, elastomeric seal pipe joint according to the present invention;
FIG. 2 is a schematic view of the structure of the ring body on the connector;
FIG. 3 is a schematic view of the structure of the first connector;
Fig. 4 is a schematic structural view of an elastic reinforcement body.
In the figure: 1-first connector, 2-second connector, 11-T-shaped connector body, 12-pipe, 13-elastic sealing ring, 14-nut, 15-annular anti-drop protrusion, 16-conical sealing part, 17-elastic reinforcement body, 18-threaded hole, 19-stepped hole, 110-conical hole, 111-annular groove, 171-conical annular body, 172-C-shaped groove, 21-connector body, 22-T-shaped sleeve body, 23-bearing, 24-elastic sealing mechanism, 25-annular body, 26-connector body, 27-positioning groove, 28-inserting groove, 29-inverted conical inserting part, 241-spring body, 242-annular sealing ring, 243-annular support, 244-sealing layer, 251-half body, 252-positioning protrusion, 253-sealing gasket.
[ Detailed description ] of the invention
Referring to fig. 1,2, 3 and 4, the non-welding elastic sealing pipe joint of the present invention comprises a first joint 1 and a second joint 2 rotatably connected with the first joint 1, wherein the first joint 1 comprises a T-shaped joint body 11 with a big end up, a pipe 12, an elastic sealing ring 13 and a nut 14, the upper end of the T-shaped joint body 11 is provided with a threaded hole 18, the lower end of the T-shaped joint body 11 is provided with a step hole 19 with a big end down, the step hole 19 is communicated with the threaded hole 18, the lower end of the step hole 19 is a conical hole 110, the pipe end of the pipe 12 is formed with an annular anti-falling protrusion 15 through a cold forming process, the pipe 12 above the annular anti-falling protrusion 15 is provided with the elastic sealing ring 13 matched with the conical hole 110, the pipe 12 below the annular anti-falling protrusion 15 is sleeved with the nut 14 in threaded connection with the lower end of the T-shaped joint body 11, 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 the lower end of the connector body 21 is provided with a connector 26, the connector 26 is provided with the annular body 25 which is detachably connected, 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, the small diameter section of the T-shaped sleeve body 22 is in threaded connection with a threaded hole 18, the lower end of the threaded hole 18 is provided with the elastic sealing mechanism 24 for sealing between the elastic sealing mechanism and the annular body 25, the annular body 25 comprises two half bodies 251, the two half bodies 251 are connected together through screw splicing, the inner cambered surfaces of the half bodies 251 are all provided with positioning bulges 252, the connector 26 is provided with positioning grooves 27 which are in one-to-one correspondence with the positioning bulges 252 and are matched with each other, the opposite surfaces of the two half bodies 251 are all provided with sealing gaskets 253, the lower extreme of screw hole 18 is equipped with the annular groove 111 that is used for setting up elastic sealing mechanism 24, elastic sealing mechanism 24 includes the spring body 241, cyclic annular sealing washer 242 and cyclic annular support 243, the upper end of the 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 sealing with annular groove 111, the outer lane face of the major diameter section of T-shaped cover body 22 is equipped with grafting groove 28, the upper end of cyclic annular anti-disengaging protrusion 15 is equipped with the toper sealing portion 16 with bell mouth 110 in close contact, elastic sealing washer 13 is located the upper end of toper sealing portion 16, be equipped with elastic reinforcement body 17 in the elastic reinforcement body 17 includes toper cyclic annular body 171, be formed with a plurality of C-shaped groove 172 structures through buckling on the toper cyclic annular body 171, the upper end of the upper end interface of joint body 21 is equipped with the back taper grafting portion 29, the taper of back taper grafting portion 29 is 24 degrees.
The working process of the invention comprises the following steps:
In the working process of the non-welded elastic sealing pipe joint, the pipe end of the pipe is formed with the annular anti-drop bulge through the cold forming process, so that the cutting sleeve of the traditional cutting sleeve type pipe joint is eliminated, the metal pipe is not required 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 through the sealing ring and the conical sealing part, so that the tightness 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 a detachable annular body, 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 down 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 between the annular support and 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 time is prolonged, and the annular sealing ring is convenient to replace.
The above embodiments are illustrative of the present invention, and not limiting, and any simple modifications of the present invention fall within the scope of the present invention.
Claims (5)
1. A non-welded, elastomeric seal tube joint, characterized by: including first connector (1) and with first connector (1) rotatable connection's second connector (2), first connector (1) are including big-end-up's T shape connector body (11), pipeline (12), elastic sealing washer (13) and nut (14), the upper end of T shape connector body (11) is equipped with screw hole (18), the lower extreme of T shape connector body (11) is equipped with big-end-down's step hole (19), 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 protruding (15) through cold forming process, be equipped with on pipeline (12) of annular anticreep protruding (15) top with bell mouth (110) matched with elastic sealing washer (13), the cover is equipped with on pipeline (12) of annular anticreep protruding (15) below with nut (14) with the lower extreme threaded connection of T shape connector body (11), second connector (2) are including conical hole (21), annular connector body (24), annular connector (26) and annular connector (25) are equipped with connection body (25), the connecting body (26) above the annular body (25) is sequentially provided with a bearing (23) and a T-shaped sleeve body (22) from bottom to top, the small-diameter section of the T-shaped sleeve body (22) is in threaded connection with a threaded hole (18), the lower end of the threaded hole (18) is provided with an elastic sealing mechanism (24) for sealing between the annular body (25), the annular body (25) comprises two half-edge bodies (251), the two half-edge bodies (251) are connected together through screw splicing, the inner cambered surface of the half-edge bodies (251) is provided with positioning protrusions (252), the connecting body (26) is provided with positioning grooves (27) which are in one-to-one correspondence with the positioning protrusions (252), the opposite surfaces of the two half-edge bodies (251) are provided with sealing gaskets (253), the lower end of the threaded hole (18) is provided with an annular groove (111) for setting the 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), a sealing layer (244) is arranged on the inner ring surface and the outer ring surface of the annular support (243) for sealing with the annular groove (111).
2. A non-welded, elastomeric seal tube joint as defined in claim 1 wherein: the outer ring surface of the large-diameter section of the T-shaped sleeve body (22) is provided with a splicing groove (28).
3. A non-welded, elastomeric seal tube joint as defined in claim 1 wherein: the upper end of the annular anti-drop bulge (15) is provided with a conical sealing part (16) closely contacted with the conical hole (110), and the elastic sealing ring (13) is positioned at the upper end of the conical sealing part (16).
4. A non-welded, elastomeric seal tube joint as defined in claim 1 wherein: an elastic reinforcement body (17) is arranged in the elastic sealing ring (13), the elastic reinforcement body (17) comprises a conical annular body (171), and a plurality of C-shaped groove-shaped (172) structures are formed on the conical annular body (171) through bending.
5. A non-welded, elastomeric seal pipe joint as in any one of claims 1 to 4 wherein: the upper end of the upper end interface of the connector 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110116548.2A CN112856073B (en) | 2021-01-28 | 2021-01-28 | Non-welding elastic sealing pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110116548.2A CN112856073B (en) | 2021-01-28 | 2021-01-28 | Non-welding elastic sealing pipe joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112856073A CN112856073A (en) | 2021-05-28 |
| CN112856073B true CN112856073B (en) | 2024-05-07 |
Family
ID=75987318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110116548.2A Active CN112856073B (en) | 2021-01-28 | 2021-01-28 | Non-welding elastic sealing pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112856073B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH034992U (en) * | 1989-06-01 | 1991-01-18 | ||
| CN204852438U (en) * | 2015-08-19 | 2015-12-09 | 国工阀门有限公司 | Full welded ball valve of gas |
| CN108458189A (en) * | 2018-05-24 | 2018-08-28 | 嘉兴宸轩管件制造科技有限公司 | A kind of pipe fitting with blocking function |
| CN209101772U (en) * | 2018-11-14 | 2019-07-12 | 南京翰易机械电子有限公司 | The sealing device of plastic grain dewaterer |
| CN209483927U (en) * | 2018-12-04 | 2019-10-11 | 浙江天玛密封技术有限公司 | A kind of coal mine hydraulic supporting composite sealing ring |
| CN215000045U (en) * | 2021-01-28 | 2021-12-03 | 海盐县海管管件制造有限公司 | Non-welding elastic sealing pipe joint |
-
2021
- 2021-01-28 CN CN202110116548.2A patent/CN112856073B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH034992U (en) * | 1989-06-01 | 1991-01-18 | ||
| CN204852438U (en) * | 2015-08-19 | 2015-12-09 | 国工阀门有限公司 | Full welded ball valve of gas |
| CN108458189A (en) * | 2018-05-24 | 2018-08-28 | 嘉兴宸轩管件制造科技有限公司 | A kind of pipe fitting with blocking function |
| CN209101772U (en) * | 2018-11-14 | 2019-07-12 | 南京翰易机械电子有限公司 | The sealing device of plastic grain dewaterer |
| CN209483927U (en) * | 2018-12-04 | 2019-10-11 | 浙江天玛密封技术有限公司 | A kind of coal mine hydraulic supporting composite sealing ring |
| CN215000045U (en) * | 2021-01-28 | 2021-12-03 | 海盐县海管管件制造有限公司 | Non-welding elastic sealing pipe joint |
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| Publication number | Publication date |
|---|---|
| CN112856073A (en) | 2021-05-28 |
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Inventor after: Zhang Lihong Inventor after: Yang Meiqin Inventor after: Zhu Zhenfang Inventor after: Zhang Xudong Inventor after: Zhou Jianfei Inventor after: Chen Sheng Inventor before: Zhang Xudong Inventor before: Zhang Lihong Inventor before: Zhou Jianfei Inventor before: Zhu Zhenfang Inventor before: Chen Sheng Inventor before: Yang Meiqin |