CN212745412U - Sealing ring for pipeline connection - Google Patents
Sealing ring for pipeline connection Download PDFInfo
- Publication number
- CN212745412U CN212745412U CN202021221128.8U CN202021221128U CN212745412U CN 212745412 U CN212745412 U CN 212745412U CN 202021221128 U CN202021221128 U CN 202021221128U CN 212745412 U CN212745412 U CN 212745412U
- Authority
- CN
- China
- Prior art keywords
- sealing
- supporting part
- peripheral surface
- pipeline
- section
- 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.)
- Active
Links
Images
Landscapes
- Joints With Sleeves (AREA)
Abstract
The utility model relates to a sealing washer for pipe connection, its characteristics are: the sealing ring comprises a supporting part and a sealing part, the rear end face of the supporting part is fixedly connected with the front end face of the sealing part into a whole, the outer peripheral surface of the supporting part is in contact with the inner peripheral surface of the bell mouth of the rear pipeline or the front pipeline, the outer peripheral surface of the sealing part is in sealing contact with the inner peripheral surface of the bell mouth of the rear pipeline or the front pipeline, and the inner peripheral surface of the sealing part is in sealing contact with the outer peripheral surface of the socket of the front pipeline or the rear pipeline. The sealing device has the advantages of simple structure, high sealing reliability, quickness in installation, long service life and the like.
Description
Technical Field
The utility model relates to a pipe connection field is a sealing washer for pipe connection.
Background
The socket connection is a convenient, fast, safe and efficient pipe connection mode in pipeline installation, the sealing ring sealing is an important link in the socket connection, and how the sealing effect directly influences the installation and safe operation of the pipeline. The poor sealing effect of the sealing ring influences the installation and safe operation of the pipeline and is mainly embodied in the following aspects:
1, when a pipeline is installed, a socket of a front pipeline drives a sealing ring to roll along the axis direction of the pipeline, the sealing ring is not fixed firmly after being separated from a designed position, and the sealing ring can be seriously detached and damaged, so that the fixing effect and the sealing reliability of the sealing ring in the socket of a rear pipeline are influenced;
2 in the process of pipeline installation and use, when slight angular deflection or displacement occurs between the socket of the front pipeline and the socket of the rear pipeline, and the extrusion force is concentrated on one side of the socket sealing contact surface of the front pipeline or the socket sealing contact surface of the rear pipeline, the sealing effect of the other side is possibly poor, and even the problems of cracking, deformation and the like of a sealing ring caused by overlarge extrusion force occur;
3 traditional sealing washer is overall structure, and the sealing washer is at the course of the work, and it is poor to produce the sealed effect of the too high hardness, hardness low easy scheduling problem that drops excessively.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: the sealing ring for pipeline connection overcomes the defects of the prior art, and has the advantages of simple structure, high sealing reliability and long service life.
The utility model provides a technical problem's scheme is: the utility model provides a sealing washer for pipe connection which characterized by: the sealing ring comprises a supporting part and a sealing part, the rear end face of the supporting part is fixedly connected with the front end face of the sealing part into a whole, the outer peripheral surface of the supporting part is in contact with the inner peripheral surface of the bell mouth of the rear pipeline or the front pipeline, the outer peripheral surface of the sealing part is in sealing contact with the inner peripheral surface of the bell mouth of the rear pipeline or the front pipeline, and the inner peripheral surface of the sealing part is in sealing contact with the outer peripheral surface of the socket of the front pipeline or the rear pipeline.
The supporting part of sealing washer is the ring body that the cross-section is the pentagon, and the preceding terminal surface of supporting part is constituteed to the first side in supporting part cross-section, and the outer peripheral surface of supporting part is constituteed to the second side in supporting part cross-section, and the rear end face of supporting part is constituteed to the third side in supporting part cross-section, and the inner peripheral surface of supporting part is constituteed to the fourth side in supporting part cross-section, and the fifth side in supporting part cross-section lies in the slope setting between first side and the fourth side, constitutes the tapered.
The outer peripheral surface of sealing washer supporting part sets up the mounting groove.
The supporting part structure of sealing washer is or be tetragonal ring body for the cross-section, and the preceding terminal surface of supporting part is constituteed on the first side in supporting part cross-section, and the second limit in supporting part cross-section is protruding outside curved surface arc, and the second limit in supporting part cross-section constitutes the peripheral surface of supporting part, and the third side in supporting part cross-section constitutes the rear end face of supporting part, and the fourth side in supporting part cross-section lies in the slope setting between first limit and the third limit, constitutes the tapered guide surface of horn mouth form.
The supporting part of the sealing ring is made of hard rubber, and the Shore hardness is 85 degrees +/-5 degrees.
The sealing portion of sealing washer is the ring body that the cross-section is the K type, and the sealing portion includes sealing substrate, first lip limit, second lip limit and third lip limit, sealing portion sealing substrate's preceding terminal surface links firmly as an organic wholely with the supporting part rear end face, sealing substrate's rear end face sets gradually by preceding to the back first lip limit the second lip limit with the third lip limit, the first lip limit length is the shortest, and the socket sealing contact of inner peripheral surface and preceding pipeline or back pipeline, the second lip limit length is the longest, and the socket sealing contact of inner peripheral surface and preceding pipeline or back pipeline, the third lip limit outer peripheral surface and the socket sealing contact of back pipeline or preceding pipeline.
A relief groove is provided between the second lip and the third lip of the seal portion of the seal ring.
The sealing part of the sealing ring is soft rubber, and the Shore hardness is 55 +/-5 degrees.
The utility model discloses a sealing washer for pipe connection has following characteristics and advantage:
the sealing ring adopts a structure of a high-hardness supporting part and a low-hardness sealing part, the supporting part plays a role in supporting and fixing, and the sealing part plays a role in sealing, so that the problems that the traditional sealing ring is of an integral structure, the sealing effect is poor due to overhigh hardness and the sealing ring is easy to fall off due to overlow hardness in the working process are solved;
2 the mounting groove or the arc of the convex outward curved surface arranged on the supporting part and the first lip edge and the second lip edge arranged on the sealing part can prevent the socket of the front pipeline from driving the sealing ring to roll along the axis direction of the pipeline when the pipeline is mounted, and prevent the sealing ring from being unfixed due to separation from the designed position and even causing the sealing ring to fall off and be damaged, thereby improving the fixing effect and the sealing reliability of the sealing ring in the socket of the rear pipeline;
3 its sealing part sets up first lip limit, the structure of second lip limit and third lip limit and off-load groove, slight angle deflection or displacement has taken place between the socket of preceding pipeline and the bellmouth of back pipeline, when the extrusion force concentrates on socket sealing contact surface of preceding pipeline or the bellmouth sealing contact surface of back pipeline one of them side, not only can effectively eliminate the stress of second lip limit and the mutual extrusion of third lip limit, avoid because of the too big sealing washer fracture that produces of extrusion strength, deformation scheduling problem, and can be when second lip limit and the jack clearance grow, first lip limit carries out the compensation seal, the reliability of sealing has been guaranteed.
The utility model has the advantages of simple structure, high sealing reliability, rapid installation, long service life and the like.
Drawings
FIG. 1 is a schematic structural view of a seal ring for pipe connection according to embodiment 1;
FIG. 2 is an enlarged view of a portion I of FIG. 1;
FIG. 3 is a schematic view of the mounting structure of embodiment 1;
FIG. 4 is a schematic structural view of a seal ring for pipe connection according to embodiment 2;
FIG. 5 is an enlarged view of a portion II of FIG. 4;
fig. 6 is a schematic view of the mounting structure of embodiment 2.
In the figure: the structure comprises a support part 1, a first lip edge 2, a sealing base body 3, a relief groove 4, a second lip edge 5, a third lip edge 6, a second edge 7, a first edge 8, a fourth edge 9, a third edge 10, a fifth edge 11, a mounting groove 12, a front pipeline 13, a guide ring plate 14, a socket 15, a fixing convex ring 16, a sealing ring 17, a socket 18, a rear pipeline 19 and an annular boss 20.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Referring to fig. 1-3, embodiment 1 is a seal ring for pipeline connection, where the seal ring 17 is composed of a support portion 1 and a seal portion, a rear end face of the support portion 1 is fixedly connected with a front end face of the seal portion as a whole, the front end face of the support portion 1 contacts with a guide ring plate 14 provided on a socket 15 of a rear pipeline 19, an outer circumferential surface of the support portion 1 contacts with an inner circumferential surface of the socket 15 of the rear pipeline 19, an outer circumferential surface of the seal portion contacts with an inner circumferential surface of the socket 15 of the rear pipeline 19, and an inner circumferential surface contacts with an outer circumferential surface of a socket 18 of a front pipeline 13.
The supporting portion 1 of the sealing ring 17 is an annular body with a pentagonal cross section, a first side 8 of the cross section of the supporting portion 1 forms a front end face of the supporting portion 1, a second side 7 of the cross section of the supporting portion 1 forms an outer peripheral surface of the supporting portion 1, a third side 10 of the cross section of the supporting portion 1 forms a rear end face of the supporting portion 1, a fourth side 9 of the cross section of the supporting portion 1 forms an inner peripheral surface of the supporting portion 1, and a fifth side 11 of the cross section of the supporting portion 1 is obliquely arranged between the first side 8 and the fourth side 9 to form a horn-mouth-shaped conical guide surface.
The packing 17 is provided with an installation groove 12 on the outer peripheral surface of the support portion 1.
The supporting part 1 of the sealing ring 17 is made of hard rubber, and the Shore hardness is 85 degrees +/-5 degrees.
A relief groove 4 is provided between the second lip 5 and the third lip 6 of the seal portion of the seal ring 17.
The sealing part of the sealing ring 17 is soft rubber, and the Shore hardness is 55 +/-5 degrees.
This example 1 was manufactured using the prior art.
Referring to fig. 4-6, embodiment 2 is a seal ring 17 for pipe connection, and embodiment 2 is substantially the same as embodiment 1 except that: two sealing rings 17 are arranged at the socket joint, each sealing ring 17 consists of a supporting part 1 and a sealing part, the rear end face of the supporting part 1 is fixedly connected with the front end face of the sealing part into a whole, the outer peripheral surface of the supporting part 1 is contacted with the inner peripheral surface of an annular boss 20 arranged at the bell mouth 15 of the rear pipeline 19, the outer peripheral surface of the sealing part is contacted with the inner peripheral surface of the bell mouth 15 of the rear pipeline 19 in a sealing way, and the inner peripheral surface is contacted with the outer peripheral surface of the socket 18 of the front pipeline 13 in a sealing way.
The supporting part 1 structure of sealing washer 17 is the quadrangle ring body for the cross-section, and the first side 8 in supporting part 1 cross-section constitutes the preceding terminal surface of supporting part 1, and the second side 7 in supporting part 1 cross-section is protruding outside curved surface arc, and the second side 7 in supporting part 1 cross-section constitutes the peripheral surface of supporting part 1, and the third side 10 in supporting part 1 cross-section constitutes the rear end face of supporting part 1, and the fourth side 9 in supporting part 1 cross-section lies in the slope setting between first side 8 and the third side 10, constitutes the tapered guide surface of horn mouth form.
The present invention is not limited to the present embodiment, and for those skilled in the art, simple duplication and modification without creative efforts are all within the scope of the claims of the present embodiment.
Claims (8)
1. The utility model provides a sealing washer for pipe connection which characterized by: the sealing ring comprises a supporting part and a sealing part, the rear end face of the supporting part is fixedly connected with the front end face of the sealing part into a whole, the outer peripheral surface of the supporting part is in contact with the inner peripheral surface of the bell mouth of the rear pipeline or the front pipeline, the outer peripheral surface of the sealing part is in sealing contact with the inner peripheral surface of the bell mouth of the rear pipeline or the front pipeline, and the inner peripheral surface of the sealing part is in sealing contact with the outer peripheral surface of the socket of the front pipeline or the rear pipeline.
2. A seal ring for pipe connections as claimed in claim 1, wherein: the supporting part of sealing washer is the ring body that the cross-section is the pentagon, and the preceding terminal surface of supporting part is constituteed to the first side in supporting part cross-section, and the outer peripheral surface of supporting part is constituteed to the second side in supporting part cross-section, and the rear end face of supporting part is constituteed to the third side in supporting part cross-section, and the inner peripheral surface of supporting part is constituteed to the fourth side in supporting part cross-section, and the fifth side in supporting part cross-section lies in the slope setting between first side and the fourth side, constitutes the tapered.
3. A gasket ring for pipe connection according to claim 1 or 2, wherein: the outer peripheral surface of sealing washer supporting part sets up the mounting groove.
4. A seal ring for pipe connections as claimed in claim 1, wherein: the supporting part structure of sealing washer is or be tetragonal ring body for the cross-section, and the preceding terminal surface of supporting part is constituteed on the first side in supporting part cross-section, and the second limit in supporting part cross-section is protruding outside curved surface arc, and the second limit in supporting part cross-section constitutes the peripheral surface of supporting part, and the third side in supporting part cross-section constitutes the rear end face of supporting part, and the fourth side in supporting part cross-section lies in the slope setting between first limit and the third limit, constitutes the tapered guide surface of horn mouth form.
5. A seal ring for pipe connections as claimed in any one of claims 1, 2 or 4, wherein: the supporting part of the sealing ring is made of hard rubber, and the Shore hardness is 85 degrees +/-5 degrees.
6. A seal ring for pipe connections as claimed in claim 1, wherein: the sealing portion of sealing washer is the ring body that the cross-section is the K type, and the sealing portion includes sealing substrate, first lip limit, second lip limit and third lip limit, sealing portion sealing substrate's preceding terminal surface links firmly as an organic wholely with the supporting part rear end face, sealing substrate's rear end face sets gradually by preceding to the back first lip limit the second lip limit with the third lip limit, the first lip limit length is the shortest, and the socket sealing contact of inner peripheral surface and preceding pipeline or back pipeline, the second lip limit length is the longest, and the socket sealing contact of inner peripheral surface and preceding pipeline or back pipeline, the third lip limit outer peripheral surface and the socket sealing contact of back pipeline or preceding pipeline.
7. A seal ring for pipe connections as claimed in claim 6, wherein: a relief groove is provided between the second lip and the third lip of the seal portion of the seal ring.
8. A gasket ring for pipe connection according to claim 1 or 6, wherein: the sealing part of the sealing ring is soft rubber, and the Shore hardness is 55 +/-5 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021221128.8U CN212745412U (en) | 2020-06-29 | 2020-06-29 | Sealing ring for pipeline connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021221128.8U CN212745412U (en) | 2020-06-29 | 2020-06-29 | Sealing ring for pipeline connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212745412U true CN212745412U (en) | 2021-03-19 |
Family
ID=75011821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021221128.8U Active CN212745412U (en) | 2020-06-29 | 2020-06-29 | Sealing ring for pipeline connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212745412U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114076232A (en) * | 2021-10-04 | 2022-02-22 | 孙亚鸽 | Hydraulic engineering pipeline connecting device |
-
2020
- 2020-06-29 CN CN202021221128.8U patent/CN212745412U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114076232A (en) * | 2021-10-04 | 2022-02-22 | 孙亚鸽 | Hydraulic engineering pipeline connecting device |
| CN114076232B (en) * | 2021-10-04 | 2023-09-29 | 江阴市澄利建设有限公司 | Hydraulic engineering pipeline connecting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212745412U (en) | Sealing ring for pipeline connection | |
| CN206509781U (en) | A kind of connecting piece fastening device | |
| CN213629351U (en) | Slide-in type flexible socket connecting pipe | |
| CN213064970U (en) | Slide-in type socket joint connection structure | |
| CN204239751U (en) | A kind of Novel threaded sealing structure | |
| CN214617835U (en) | Thermoplastic vulcanized elastomer sealing ring | |
| CN114922977A (en) | Pneumatic rubber seal of long service life's high strength | |
| CN210949871U (en) | Novel skeleton oil blanket | |
| CN217842676U (en) | Novel floating oil seal structure | |
| CN216555353U (en) | Sealing seat for floating oil seal | |
| CN201386869Y (en) | Reinforced concrete pipe with flexible female and male end | |
| CN217783898U (en) | Tensioning oil cylinder assembly | |
| CN108506631B (en) | Folding leather cup for plugging pipeline | |
| CN216895763U (en) | High-performance rubber sealing ring | |
| CN218622553U (en) | Flexible composite waterproof framework for pipeline dredging robot | |
| CN220828625U (en) | Sealing ring and pipeline connection structure | |
| CN216242280U (en) | Adjustable floating oil seal | |
| CN209959738U (en) | Quincunx coupling | |
| CN213981985U (en) | PTFE-coated rubber sealing ring | |
| CN217355999U (en) | Self-sealing elastic metal annular gasket | |
| CN213929420U (en) | Sealing ring for improving bolt sealing | |
| CN201661774U (en) | Pressurizing pump and high-pressure tube device thereof | |
| CN213871187U (en) | Improved hydraulic blind plate valve | |
| CN209977024U (en) | Sealing pin for hydraulic power unit | |
| CN209608318U (en) | A kind of sucked type exempts from gasket seal Waterproof cable joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |