CN213685675U - Pipeline joint sealing device - Google Patents
Pipeline joint sealing device Download PDFInfo
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- CN213685675U CN213685675U CN202021704548.1U CN202021704548U CN213685675U CN 213685675 U CN213685675 U CN 213685675U CN 202021704548 U CN202021704548 U CN 202021704548U CN 213685675 U CN213685675 U CN 213685675U
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Abstract
The utility model provides a pipeline interface sealing device, which belongs to the technical field of sealing structures and comprises a sealing ring, a transition piece, a pressing ring and a pushing mechanism, wherein the sealing ring is arranged in a groove of a bellmouth and is divided into a first sealing section and a second sealing section, and the hardness of the first sealing section is greater than that of the second sealing section; the transition piece is arranged in the socket groove and is close to the sealing ring; the pressing ring is arranged in the groove of the socket and is close to the transition piece, and the socket of the cast tube is inserted into the sealing ring, the transition piece and the pressing ring; the ejection mechanism is arranged on the bellmouth and connected with the pressing ring, and the sealing ring is extruded by the ejection mechanism through the pressing ring and the transition piece, so that the sealing ring presses the groove wall and the outer wall of the socket of the bellmouth. The utility model provides a pipeline interface sealing device has improved the leakproofness of pipeline interface.
Description
Technical Field
The utility model belongs to the technical field of seal structure, more specifically say, relate to a pipeline interface sealing device.
Background
Pipelines are often used to carry water, oil, gas, etc. and leaks often occur if the seal at the pipeline-to-pipeline connection is not stable. When the cast pipe interfaces are connected, a groove is arranged in a bell mouth of a cast pipe, a sealing ring is arranged in the groove, and a socket of another cast pipe is inserted into the bell mouth of the cast pipe provided with the sealing ring and then is connected and fixed to realize sealing.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pipeline interface sealing device aims at solving the current unsatisfactory problem of cast tube interface seal structure seal effect.
In order to achieve the above object, the utility model adopts the following technical scheme: the sealing device for the pipeline interface comprises a sealing ring, a transition piece, a pressing ring and a pushing mechanism, wherein the sealing ring is arranged in a groove of a bell mouth and is divided into a first sealing section and a second sealing section, and the hardness of the first sealing section is greater than that of the second sealing section; the transition piece is arranged in the socket groove and is close to the sealing ring; the pressing ring is arranged in the groove of the socket and is close to the transition piece, and the socket of the cast tube is inserted into the sealing ring, the transition piece and the pressing ring; the ejection mechanism is arranged on the bellmouth and connected with the pressing ring, and the sealing ring is extruded by the ejection mechanism through the pressing ring and the transition piece, so that the sealing ring presses the groove wall and the outer wall of the socket of the bellmouth.
As another embodiment of the application, the pressing ring is provided with a threaded hole, the ejection mechanism comprises an adjusting bolt and an ejection piece, and the adjusting bolt is in threaded connection with the threaded hole; one end of the ejector is connected with the socket, the other end of the ejector is in contact with the adjusting bolt, and the adjusting bolt can rotate relative to the ejector.
As another embodiment of this application, ejector member is the pin, is equipped with the jack on adjusting bolt's the nut, and the pin inserts the jack.
As another embodiment of the present application, the first seal segment is spherical.
As another embodiment of the present application, the hardness of the first sealing section is 85-95 Shore.
As another embodiment of the present application, the hardness of the second seal segment is 65-70 Shore.
As another embodiment of the application, the ratio of the diameter D of the first sealing section to the distance T from the surface E of the inner wall of the socket plugging end to the inner wall of the socket is 3-5.
As another embodiment of the present application, the transition piece is an open ring.
As another embodiment of this application, the transition piece is the lock ring, all is equipped with the mounting groove on the outer wall of lock ring and the inner wall, is equipped with the sealing ring in the mounting groove.
As another embodiment of the application, the contact surface of the sealing ring and the inner wall of the socket groove or the outer wall of the spigot is in a sawtooth shape.
The utility model provides a pipeline interface sealing device's beneficial effect lies in: compared with the prior art, the sealing ring of the pipeline interface sealing device is arranged in the groove of the bell mouth, the sealing ring is divided into a first sealing section and a second sealing section, and the hardness of the first sealing section is greater than that of the second sealing section; the transition piece is arranged in the socket groove and is close to the sealing ring; the pressing ring is arranged in the groove of the socket and is close to the transition piece; the ejection mechanism is arranged on the bellmouth and connected with the pressing ring. When the socket inserts the sealing washer, transition piece and clamp ring, operating personnel pushes away the clamp ring through adjustment ejection mechanism, and the axial force that the clamp ring received is transmitted for the sealing washer through the transition piece to the sealing washer compresses tightly the recess wall and the socket outer wall of bellmouth, and the hardness setting with first seal segment is higher, has avoided the extrusion deformation of first seal segment, and first seal segment is difficult for having guaranteed sealing performance because the gap of impressing bellmouth inner wall E face and socket outer wall.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a pipe joint sealing device according to an embodiment of the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
fig. 3 is a schematic structural diagram of a cross section of a sealing ring adopted in the embodiment of the present invention;
fig. 4 is a schematic structural diagram of a pipe joint sealing device according to another embodiment of the present invention;
FIG. 5 is a sectional view taken along line B-B of FIG. 4;
FIG. 6 is an enlarged view of a portion C of FIG. 5;
fig. 7 is a schematic structural diagram of a cross section of a support ring adopted in the embodiment of the present invention.
In the figure: 1. a socket; 2. a socket; 3. a seal ring; 4. an open loop; 5. a compression ring; 6. adjusting the bolt; 7. a pin; 8. a seal ring; 9. a support ring; 301. a first seal section; 302. a second seal section; 901. And (4) mounting the groove.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and fig. 2 together, the pipe joint sealing device provided by the present invention will now be described. The pipeline interface sealing device comprises a sealing ring 3, a transition piece, a pressing ring 5 and a pushing mechanism, wherein the sealing ring 3 is arranged in a groove of a bell mouth 1, the sealing ring 3 is divided into a first sealing section 301 and a second sealing section 302, and the hardness of the first sealing section 301 is greater than that of the second sealing section 302; the transition piece is arranged in the groove of the socket 1 and is close to the sealing ring 3; the pressing ring 5 is arranged in a groove of the bell mouth 1 and is close to the transition piece, and the bell mouth 1 of the cast tube is inserted into the sealing ring 3, the transition piece and the pressing ring 5; the ejection mechanism is arranged on the bellmouth 1 and connected with the pressing ring 5, and the sealing ring 3 is extruded by the ejection mechanism through the pressing ring 5 and the transition piece, so that the sealing ring 3 compresses the groove wall of the bellmouth 1 and the outer wall of the socket 2.
Compared with the prior art, the pipeline interface sealing device provided by the utility model has the advantages that the sealing ring 3 is arranged in the groove of the bell mouth 1, the sealing ring 3 is divided into the first sealing section 301 and the second sealing section 302, and the hardness of the first sealing section 301 is greater than that of the second sealing section 302; the transition piece is arranged in the groove of the socket 1 and is close to the sealing ring 3; the pressing ring 5 is arranged in the groove of the socket 1 and is close to the transition piece; the ejection mechanism is arranged on the bellmouth 1 and is connected with the pressing ring 5. Insert sealing washer 3 when socket 2, transition piece and clamp ring 5, operating personnel pushes up clamp ring 5 through adjustment ejection mechanism, the axial force that clamp ring 5 received is transmitted for sealing washer 3 through the transition piece, thereby sealing washer 3 compresses tightly the recess wall and the socket 2 outer wall of bellmouth 1, set up first seal segment 301's hardness higher, the extrusion deformation of first seal segment 301 has been avoided, first seal segment 301 is difficult for being impressed in the gap of 1 inner wall E face of bellmouth and 2 outer walls of socket because the disappearance, sealing performance has been guaranteed.
In this embodiment, as shown in fig. 1, the inner wall E of the socket 1 is closer to the inner wall E of the socket 1 than the second sealing section 302, when the pushing mechanism presses the sealing ring 3 through the pressing ring 5 and the transition piece, the first sealing section 301 has higher hardness and is not easy to deform, so that the first sealing section can be tightly attached to the groove wall of the socket 1 and the outer wall of the socket 2, and is not pressed between the close E surface and the outer wall of the socket 2, thereby ensuring the sealing property.
As a specific embodiment of the pipe joint sealing device provided by the present invention, please refer to fig. 1 to 6, the pressing ring 5 is provided with a threaded hole, the ejection mechanism includes an adjusting bolt 6 and an ejection member, and the adjusting bolt 6 is in threaded connection with the threaded hole; one end of the ejector is connected with the bellmouth 1, the other end of the ejector is contacted with the adjusting bolt 6, and the adjusting bolt 6 can rotate relative to the ejector.
In this embodiment, the adjusting bolt 6 is rotated, and the adjusting bolt 6 moves to adjust the distance from the pressing ring 5 to the end surface of the socket 1, so that the sealing ring 3 is extruded.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 6, the ejecting member is a pin 7, a hole is formed on the nut of the adjusting bolt 6, and the pin 7 is inserted into the hole.
As a specific implementation manner of the embodiment of the present invention, referring to fig. 3, the first sealing section 301 is spherical.
In this embodiment, the first sealing section 301 is spherical, and the second sealing section 302 is similar to a trapezoid, so that the shape of the sealing ring 3 is matched with the shape of the inner wall of the groove of the socket 1, the contact area is increased, and the sealing is facilitated.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 3, the hardness of the first sealing section 301 is 85-95 shore.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 3, the hardness of the second sealing section 302 is 65-70 shore.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 2, a ratio of a diameter D of the first sealing section 301 to a distance T from an inner wall E surface of the inserting end of the socket 1 to an inner wall of the socket 2 is 3-5.
In this embodiment, the first seal segment 301 has a shore size of 90, and the second seal segment 302 has a shore size of 68. The ratio of the diameter D of the first sealing section 301 to the distance T from the surface E of the inner wall of the spigot end of the socket 1 to the inner wall of the spigot 2 is 4.2. The hardness of the first sealing section 301 and the second sealing section 302 and the ratio of the diameter D of the first sealing section 301 to the distance T from the surface E of the inner wall of the inserting end of the socket 1 to the inner wall of the socket 2 are set to ensure that the sealing performance is better, the first sealing section 301 can be prevented from being squeezed into the gap between the surface E and the outer wall of the socket 2,
as a specific implementation manner of the embodiment of the present invention, please refer to fig. 2, the transition piece is an opening ring 4.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 4 to 7, the transition piece is a support ring 9, the outer wall and the inner wall of the support ring 9 are both provided with a mounting groove 901, and a sealing ring 8 is disposed in the mounting groove 901.
In this embodiment, the support ring 9 is a rigid member, and is used for transmitting the axial force from the pressing ring 5 to the sealing ring 3, the outer wall and the inner wall of the support ring 9 are provided with mounting grooves 901, a sealing ring 8 is arranged in the mounting groove 901, the sealing ring 8 slightly protrudes out of the notch of the mounting groove 901, and the sealing ring 8 contacts with the groove of the socket 1 or the outer wall of the socket 2 to assist secondary sealing.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 4 to 7, a contact surface between the sealing ring 8 and the inner wall of the groove of the socket 1 or the outer wall of the socket 2 is zigzag.
In this embodiment, the contact surface between the sealing ring 8 and the inner wall of the groove of the socket 1 or the outer wall of the socket 2 is zigzag. Increase the frictional force of sealing ring 8 and bellmouth 1 recess inner wall or socket 2 outer wall, after ejection mechanism compressed tightly sealing washer 3 through external force ejection, the zigzag is favorable to keeping sealing washer 3 position, avoids taking place to remove because shake, slight collision.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Pipe joint sealing device, its characterized in that includes:
the sealing ring is arranged in a groove of the bell mouth and is divided into a first sealing section and a second sealing section, and the hardness of the first sealing section is greater than that of the second sealing section;
the transition piece is arranged in the socket groove and is close to the sealing ring;
the pressing ring is arranged in the groove of the socket and is close to the transition piece, and the socket of the cast tube is inserted into the sealing ring, the transition piece and the pressing ring; and
and the ejection mechanism is arranged on the bellmouth and is connected with the pressing ring, and the ejection mechanism extrudes the sealing ring by means of the pressing ring and the transition piece, so that the sealing ring compresses the groove wall and the outer wall of the socket of the bellmouth.
2. The pipe interface seal of claim 1 wherein said clamp ring defines a threaded aperture, said ejection mechanism comprising:
the adjusting bolt is in threaded connection with the threaded hole;
and one end of the ejecting piece is connected with the bellmouth, the other end of the ejecting piece is contacted with the adjusting bolt, and the adjusting bolt can rotate relative to the ejecting piece.
3. The pipe joint sealing device according to claim 2, wherein the ejector is a pin, and a nut of the adjusting bolt is provided with a socket into which the pin is inserted.
4. The pipe interface seal of claim 1 wherein said first seal segment is spherical.
5. The pipe interface seal of claim 4, wherein the first seal segment has a hardness of 85-95 Shore.
6. The pipe interface seal of claim 5, wherein said second seal segment has a hardness of 65-70 shore.
7. The pipe joint seal of claim 1, wherein the ratio of the diameter D of the first seal segment to the distance T from the E face of the inner wall of the spigot end of the socket to the inner wall of the spigot is from 3 to 5.
8. The pipe interface seal of claim 1 wherein said transition piece is an open ring.
9. The pipe joint sealing device according to claim 1, wherein the transition piece is a support ring, and the outer wall and the inner wall of the support ring are provided with mounting grooves, and sealing rings are arranged in the mounting grooves.
10. The pipe joint seal of claim 9, wherein the contact surface of said seal ring with said socket groove inner wall or socket outer wall is serrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021704548.1U CN213685675U (en) | 2020-08-14 | 2020-08-14 | Pipeline joint sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021704548.1U CN213685675U (en) | 2020-08-14 | 2020-08-14 | Pipeline joint sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213685675U true CN213685675U (en) | 2021-07-13 |
Family
ID=76743901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021704548.1U Active CN213685675U (en) | 2020-08-14 | 2020-08-14 | Pipeline joint sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213685675U (en) |
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2020
- 2020-08-14 CN CN202021704548.1U patent/CN213685675U/en active Active
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