CN113339603B - Socket type interface and installation method thereof - Google Patents
Socket type interface and installation method thereof Download PDFInfo
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- CN113339603B CN113339603B CN202110683670.8A CN202110683670A CN113339603B CN 113339603 B CN113339603 B CN 113339603B CN 202110683670 A CN202110683670 A CN 202110683670A CN 113339603 B CN113339603 B CN 113339603B
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- groove
- socket
- ring
- rubber ring
- conical surface
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- 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
- F16L21/00—Joints with sleeve or socket
- F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
- F16L21/035—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings placed around the spigot end before connection
Abstract
The invention discloses a socket type interface, which comprises: a socket; the bellmouth, the inner wall has: the first inner ring groove is formed by a first groove baffle surface, a first groove top surface and a first groove conical surface in a surrounding mode; the second inner ring groove is surrounded by a second groove conical surface, a second groove top surface and a third groove conical surface; the first groove conical surface and the second groove conical surface are in smooth transition; the sealing ring is formed by combining a hard rubber ring and a soft rubber ring, the hard rubber ring is provided with a first flange matched with the first inner annular groove, and the soft rubber ring is provided with a second flange partially attached to the second inner annular groove; the major diameter of the boundary ring surface of the hard rubber ring and the soft rubber ring falls into the range of the second groove conical surface; the inner hole of the sealing ring is closely matched with the outer diameter of the socket and is compressed and attached. Meanwhile, the invention also discloses an installation method of the socket type interface. The invention aims to seal the two connecting ends of the socket pipe by rubber parts with different hardness compositions, and the socket pipe still has good sealing property when relative slippage and deflection are borne.
Description
Technical Field
The invention relates to the technical field of auxiliary pipeline installation, in particular to a socket joint and an installation method thereof.
Background
Socket pipe means that in order to connect pipes/pieces or branched pipes, the two ends of the pipes are respectively made into a socket and a spigot, the spigot of one pipe is inserted into the socket of the other pipe, and then the joint is sealed. The socket joint is mainly used for cast iron pipes, concrete pipes, ceramic pipes, plastic pipes, steel pipes and the like with socket joints, and has two types of rigid socket joint and flexible socket joint. The rigid socket connection is characterized in that a spigot of the pipeline is inserted into a bell mouth of the pipeline, caulking is carried out by using caulking materials after alignment, and then sealing is carried out by using sealing materials, so that a firm closed whole is formed. The flexible spigot-and-socket joint is characterized in that an elastic rubber ring is placed on a sealing end of a pipe spigot-and-socket joint, and then a force is applied to insert the spigot end of a pipe to form a closed pipe capable of adapting to displacement, vibration and deflection within a certain range.
At present, the main technical indexes considered for the socket pipe connecting structure are that firstly, the sealing structure at the connecting part is reasonable, and the two connecting ends of the pipe are required to have good sealing performance after bearing relative sliding and deflection in a certain range; secondly, the joint is required to be installed relatively smoothly without damaging the structure of the corresponding part of the sealing part. However, the sealing structure of the socket pipe fitting connection in the prior art is not reasonable, and has a larger improvement space.
Disclosure of Invention
In view of this, the present invention provides a socket type interface and an installation method thereof, in which rubber portions with different hardness are used to support and seal two connection ends of a socket pipe, respectively, so that the two connection ends can bear relative slippage and deflection within a certain range, and still have good sealing performance.
To achieve the above object, in a first aspect, the present invention provides a spigot-and-socket joint, including:
a socket;
bellmouth, internal diameter and socket external diameter are pegged graft and are cooperated, and the bellmouth inner wall has to export the direction along import in proper order: the first inner ring groove is formed by enclosing a first groove baffle surface close to the inlet side in the pipe, a first groove top surface and a first groove conical surface far away from the inlet side; the second inner ring groove is formed by enclosing a second groove conical surface close to the inlet side in the pipe, a second groove top surface and a third groove conical surface far away from the inlet side; the tail side boundary of the first groove conical surface and the head side boundary of the second groove conical surface are in smooth transition, the caliber of the first groove conical surface in the direction from the inlet to the outlet is gradually reduced, and correspondingly, the caliber of the second groove conical surface in the direction from the inlet to the outlet is gradually increased; and
the sealing ring is formed by combining a hard rubber ring and a soft rubber ring along the direction from the inlet to the outlet, a first flange matched with the first inner ring groove is arranged on the hard rubber ring close to the inlet side, and correspondingly, a second flange attached to the conical surface of the second groove and the top surface of the second groove is arranged on the soft rubber ring; the major diameter of the boundary ring surface of the hard rubber ring and the soft rubber ring falls into the slope section range of the second groove conical surface; the inner hole of the sealing ring is tightly matched with the outer diameter of the socket for compression and joint, and the small diameter of the boundary ring surface of the hard rubber ring and the soft rubber ring is smaller than the outer diameter of the socket.
In some embodiments, the first flange and the first groove conical surface in the first inner ring groove are coaxially provided with an annular open groove on the matching contact surface.
In some embodiments, the annular open grooves are formed in a plurality of intervals in the range of the slope section of the first groove conical surface.
In some embodiments, the inner hole of the sealing ring is tapered along the direction from the inlet to the outlet, and the inner hole close to the inlet side is in clearance fit with the outer diameter of the socket, and correspondingly, the inner hole far from the inlet side is in tight fit with the outer diameter of the socket.
In some embodiments, the minor diameter of the dividing annulus also falls within the slope segment of the second groove taper.
In some embodiments, the shore hardness of the hard rubber ring is 85 to 91, and the shore hardness of the soft rubber ring is 45 to 55.
In some embodiments, the compression ratio of the upper section of the hard rubber ring at the corresponding joint of the smooth transition of the tail side boundary of the first groove conical surface and the head side boundary of the second groove conical surface is 20% to 25%.
In some embodiments, a cross section of one side of the soft rubber ring away from the inlet is in an arc shape which is convex outwards.
In a second aspect, the present invention further provides an installation method of the above socket joint, including the following steps:
s1, preparation before splicing and installation: cleaning the mounting parts of the socket and the bell mouth;
s2, installing a sealing ring: the sealing ring is arranged in the socket, wherein a first flange on the hard rubber ring is clamped in the first inner ring groove; correspondingly, a second flange on the soft rubber ring is clamped into the second inner ring groove;
s3, inserting and installing: and the spigot end is inserted from the inlet of the socket along the axial direction, passes through the inner hole of the sealing ring and then is inserted to be abutted against the third groove conical surface.
In some embodiments, in step S3, the socket and the socket may be inserted in the axial direction while relatively rotating around the axis.
Compared with the prior art, the invention has the beneficial effects that: according to the socket type interface and the installation method thereof, the two connecting ends of the socket pipe are respectively supported and sealed by the rubber parts with different hardness, so that the two connecting ends still have good sealing performance after bearing relative sliding and deflection in a certain range.
In addition, the contact surface of the first flange and the first groove conical surface is provided with an annular open slot, on one hand, when the socket is inserted, the hard rubber ring is extruded, and the annular open slot can accommodate and absorb bending deformation on a part of the hard rubber ring; in another important aspect, the annular open groove enhances the gripping force on the first groove taper surface relative to the flat smooth surface, making it less prone to relative slippage.
Drawings
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
FIG. 1 is a schematic front view of an embodiment of the present invention;
FIG. 2 is a schematic main sectional view of FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
fig. 4 is a schematic sectional view of the plug-in mounting of fig. 2 according to the present invention.
In the figure: 1. a socket; 2. a socket; 21. a first inner annular groove; 211. a first groove blocking surface; 212. a first slot top surface; 213. a first groove taper; 22. a second inner annular groove; 221. a second groove taper; 222. a second trench top surface; 223. a third groove taper; 3. a seal ring; 31. a hard rubber ring; 311. a first flange; 312. an annular open slot; 32. a soft rubber ring; 321. a second flange; 33. a demarcation ring surface.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, an embodiment of the present invention provides a socket and spigot interface, including:
a socket 1; the port of the socket 1 is also provided with a conical surface which is convenient for installation and guidance, and the taper can be about 0.4;
the seal ring 3 is formed by combining a hard rubber ring 31 and a soft rubber ring 32 along the direction from the inlet to the outlet, a first flange 311 matched with the first inner ring groove 21 is arranged on the hard rubber ring 31 close to the inlet side, correspondingly, a second flange 321 attached to the second groove conical surface 221 and the second groove top surface 222 is arranged on the soft rubber ring 32, namely, a concave surface part matched with the trough-shaped slope surface is formed by connecting the first flange 311 and the second flange 321; wherein, the major diameter of the boundary ring surface 33 of the hard rubber ring 31 and the soft rubber ring 32 falls within the slope range of the second groove conical surface 221; the inner hole of the sealing ring 3 is tightly matched with the outer diameter of the socket 1 in a compression and joint manner, and the small diameter of the dividing ring surface 33 of the hard rubber ring 31 and the soft rubber ring 32 is smaller than the outer diameter of the socket 1.
According to the spigot-and-socket joint structure, on one hand, after the sealing ring 3 is placed in the socket, in the process of inserting the spigot 1, the first groove conical surface 213 blocks the first flange 311 on the sealing ring 3 under the action of friction force to resist the inserting sliding friction force of the outer diameter of the spigot 1 on the inner hole of the sealing ring 3, so that the sealing ring 3 cannot move along with the spigot 1, and the hard rubber ring 31 can play a role of hard support; on the other hand, in the subsequent use process, the soft rubber ring 32 is filled and compressed on the outer diameter of the socket 1, the second groove conical surface 221 and the second groove top surface 222 under the action of the pressure in the pipe, and good sealing performance is ensured; it can be understood that the rubber parts with different hardness respectively support and seal the two connecting ends of the socket pipe, so that the two connecting ends still have good sealing performance after bearing relative sliding and deflection in a certain range.
In order to improve the resistance of the sealing ring 3 when the socket 1 is inserted, in an embodiment of the present invention, optionally, an annular opening groove 312 is coaxially formed on the mating contact surface of the first flange 311 and the first groove conical surface 213 in the first inner annular groove 21. It can be understood that, on the contact surface of the first flange 311 and the first groove conical surface 213, there is an annular open slot 312, on one hand, when the socket 1 is inserted, it presses the hard rubber ring 31, and the annular open slot 312 can accommodate and absorb a part of the bending deformation on the hard rubber ring 31; in another important aspect, the annular opening 312 enhances the gripping force on the first groove taper 213 and makes it less prone to relative slippage, compared to a flat smooth surface.
Further, a plurality of, preferably two, annular open grooves 312 are formed at intervals within the range of the slope section of the first groove conical surface 213, and the area occupied by the open grooves cannot exceed 1/4 of the area of the first groove conical surface 213.
Because the pipe fitting is heavy and large in size, in order to facilitate installation, in the embodiment of the present invention, optionally, the inner hole of the sealing ring 3 is tapered along the direction from the inlet to the outlet, and the inner hole close to the inlet side is in clearance fit with the outer diameter of the socket 1, and correspondingly, the inner hole far from the inlet side is in tight fit with the outer diameter of the socket 1.
Further, the small diameter of the dividing ring surface 33 also falls within the slope of the second groove tapered surface 221.
Still further, the shore hardness of the hard rubber ring 31 is 85 to 91, and the shore hardness of the soft rubber ring 32 is 45 to 55.
Still further, the compression ratio of the upper cross section of the hard rubber ring 31 (δ in fig. 4, that is, δ = (original thickness at cross section-compressed thickness at cross section)/original thickness at cross section = 100%) at the joint corresponding to the smooth transition between the distal boundary of the first groove tapered surface 213 and the leading boundary of the second groove tapered surface 221 is 20% to 25%.
In the embodiment of the present invention, optionally, a cross section of a side of the soft rubber ring 32 away from the inlet is an arc shape that is convex outwards.
In a second aspect, the present invention further provides an installation method of the above socket joint, including the following steps:
s1, preparation before splicing and installation: cleaning the installation parts of the socket 1 and the bell mouth 2;
s2, installing a sealing ring: the sealing ring 3 is installed in the socket 2, wherein the first flange 311 on the hard rubber ring 31 is clamped in the first inner annular groove 21; accordingly, the second flange 321 of the soft rubber ring 32 is clamped into the second inner annular groove 22, and the soft rubber ring 32 is in contact with the second groove tapered surface 221 and the second groove top surface 222;
s3, inserting and installing: the end of the spigot 1 is inserted axially from the inlet of the socket 2, through the inner bore of the sealing ring 3, and then inserted into abutment with the third groove taper 223.
In order to reduce the force of the socket 1 driving the sealing ring 3 to move forward when the socket is inserted and installed, in the embodiment of the present invention, optionally, in step S3, the socket 1 and the socket 2 may be inserted along the axis while relatively rotating around the axis, and the socket may be inserted along the axis while alternately rotating forward and backward at a certain angle. To reduce the running resistance, the outer diameter of the socket 1 may be coated with a lubricant before insertion and installation.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
Claims (8)
1. A female connection, comprising:
a socket (1);
bellmouth (2), internal diameter and socket (1) external diameter grafting cooperation, bellmouth (2) inner wall has to export the direction along import in proper order: the first inner ring groove (21) and the second inner ring groove (22), wherein the first inner ring groove (21) is formed by enclosing a first groove baffle surface (211) close to the inlet side in the pipe, a first groove top surface (212) and a first groove conical surface (213) far away from the inlet side; the second inner ring groove (22) is formed by enclosing a second groove conical surface (221) close to the inlet side in the pipe, a second groove top surface (222) and a third groove conical surface (223) far away from the inlet side; the tail side boundary of the first groove conical surface (213) and the head side boundary of the second groove conical surface (221) are in smooth transition, the caliber of the first groove conical surface (213) along the direction from the inlet to the outlet is arranged in a tapered mode, and correspondingly, the caliber of the second groove conical surface (221) along the direction from the inlet to the outlet is arranged in a tapered mode; and
the sealing ring (3) is formed by combining a hard rubber ring (31) and a soft rubber ring (32) along the direction from an inlet to an outlet, a first flange (311) matched with the first inner ring groove (21) is arranged on the hard rubber ring (31) close to the inlet side, and correspondingly, a second flange (321) jointed with the second groove conical surface (221) and the second groove top surface (222) is arranged on the soft rubber ring (32); wherein the major diameter of a boundary ring surface (33) of the hard rubber ring (31) and the soft rubber ring (32) falls within the range of the slope section of the second groove conical surface (221); the inner hole of the sealing ring (3) is tightly matched with the outer diameter of the socket (1) to be compressed and attached, and the small diameter of a boundary ring surface (33) of the hard rubber ring (31) and the soft rubber ring (32) is smaller than the outer diameter of the socket (1);
wherein, the matching contact surface of the first flange (311) and the first groove conical surface (213) in the first inner ring groove (21) is coaxially provided with an annular open groove (312);
the annular open grooves (312) are formed in the range of the slope section of the first groove conical surface (213) at intervals along the axial direction.
2. Spigot-and-socket joint according to claim 1, wherein the bore of said sealing ring (3) is tapered in the direction from the inlet to the outlet, and the bore close to the inlet side is in clearance fit with the outer diameter of the spigot (1), and correspondingly the bore remote from the inlet side is in tight fit with the outer diameter of the spigot (1).
3. The female socket according to claim 2, characterized in that the minor diameter of the dividing ring surface (33) also falls within the slope of the second groove cone surface (221).
4. The spigot-and-socket joint as claimed in claim 3, wherein the Shore hardness of said hard rubber ring (31) is 85 to 91, and the Shore hardness of said soft rubber ring (32) is 45 to 55.
5. The female adaptor according to claim 4, wherein the compression ratio of the upper section of the hard rubber ring (31) at the corresponding joint of the smooth transition between the distal boundary of the first grooved tapered surface (213) and the distal boundary of the second grooved tapered surface (221) is 20% to 25%.
6. The spigot-and-socket joint according to any one of claims 1-5, wherein the soft rubber ring (32) is provided with an arc-shaped cross section which is convex outwards and is away from the inlet.
7. The installation method of the spigot-and-socket interface according to any one of claims 1 to 6, comprising the following steps:
s1, preparation before splicing and installation: cleaning the installation parts of the socket (1) and the socket (2);
s2, installing a sealing ring: the sealing ring (3) is arranged in the socket (2), wherein a first flange (311) on the hard rubber ring (31) is clamped in the first inner ring groove (21); correspondingly, a second flange (321) on the soft rubber ring (32) is clamped into the second inner ring groove (22);
s3, inserting and installing: the end of the spigot (1) is inserted from the inlet of the socket (2) along the axial direction, passes through the inner hole of the sealing ring (3), and then is inserted to abut against the third groove conical surface (223).
8. The method of claim 7, wherein in step S3, the socket (1) and the socket (2) are inserted in the axial direction while being relatively rotated around the axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110683670.8A CN113339603B (en) | 2021-06-21 | 2021-06-21 | Socket type interface and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110683670.8A CN113339603B (en) | 2021-06-21 | 2021-06-21 | Socket type interface and installation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113339603A CN113339603A (en) | 2021-09-03 |
| CN113339603B true CN113339603B (en) | 2023-03-28 |
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ID=77477809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110683670.8A Active CN113339603B (en) | 2021-06-21 | 2021-06-21 | Socket type interface and installation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN113339603B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3681275B2 (en) * | 1998-02-20 | 2005-08-10 | 株式会社クボタ | Joint structure of earthquake-resistant propulsion pipe |
| CN207921556U (en) * | 2018-03-16 | 2018-09-28 | 顾向前 | The quick sealing rubber ring of circular hole take over road spigot-and-socket |
| JP7186008B2 (en) * | 2018-03-20 | 2022-12-08 | 株式会社栗本鐵工所 | pipe joint |
| CN109667934B (en) * | 2018-12-26 | 2021-02-09 | 新兴铸管股份有限公司 | Pipeline interface sealing device and preparation method |
| CN210003972U (en) * | 2019-06-10 | 2020-01-31 | 天津市际华橡胶制品有限公司 | anti-slip rubber sealing ring |
| CN211693872U (en) * | 2019-12-31 | 2020-10-16 | 河北巨腾密封制品有限公司 | Ferrule type pipe joint |
| CN213064970U (en) * | 2020-06-29 | 2021-04-27 | 吉林钰翎珑钢管钢构制造有限公司 | Slide-in type socket joint connection structure |
| CN213299166U (en) * | 2020-09-17 | 2021-05-28 | 天津友发钢管集团股份有限公司 | Socket joint type steel pipe soft and hard double-sealing structure |
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2021
- 2021-06-21 CN CN202110683670.8A patent/CN113339603B/en active Active
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| CN113339603A (en) | 2021-09-03 |
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Address after: 414002 China (Hunan) Pilot Free Trade Zone, Yueyang District, Yueyang City, Hunan Province Applicant after: Jihua Rubber Industry Co.,Ltd. Address before: 414002 Jihua polymer materials high tech Industrial Park, Chenglingji Xingang District, Yueyang City, Hunan Province Applicant before: JIHUA 3517 RUBBER PRODUCTS Co.,Ltd. |
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