CN218845368U - Fastening and sealing structure of double-ferrule type pipe joint - Google Patents
Fastening and sealing structure of double-ferrule type pipe joint Download PDFInfo
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- CN218845368U CN218845368U CN202223412645.5U CN202223412645U CN218845368U CN 218845368 U CN218845368 U CN 218845368U CN 202223412645 U CN202223412645 U CN 202223412645U CN 218845368 U CN218845368 U CN 218845368U
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Abstract
The utility model relates to a coupling field specifically is a fastening seal structure of two cutting ferrule formula couplings, include: the inner wall of the embedded groove is provided with an inner positioning groove, and the inner wall of the embedded groove is provided with an outer positioning groove; the sealing ring is arranged in the embedded groove, an inner positioning ring is arranged on one side of the sealing ring, an outer positioning ring is arranged on the other side of the sealing ring, a first air bin and a second air bin are arranged in the sealing ring, and a communicating hole is formed between the first air bin and the second air bin; the telescopic cover is arranged on the surface of the sealing ring; the beneficial effects are that: when the clamping sleeve nut is screwed, a gap is easily generated between the pipeline and the joint body, so that a medium in the pipeline leaks into the gap between the joint body and the pipeline, and the engagement degree of the clamping sleeve and the pipeline is influenced.
Description
Technical Field
The utility model relates to a coupling field specifically is a fastening seal structure of two ferrule type couplings.
Background
The double-clamping sleeve joint consists of a joint body, a front clamping sleeve, a rear clamping sleeve and a clamping sleeve nut, is simple and convenient to connect, is high-pressure resistant, and can be widely applied to connection with medium pipelines such as oil, gas, water and the like;
when the existing double-clamp sleeve joint is used for connecting a pipeline, a clamping sleeve nut, a rear clamping sleeve and a front clamping sleeve are sequentially sleeved on the pipeline from the end part of the pipeline, then the end part of the pipeline is inserted into a joint body, the clamping sleeve nut is screwed on the joint body, the front clamping sleeve and the rear clamping sleeve are tightly extruded on the surface of the pipeline through the clamping sleeve nut, so that the cutting edges of the front clamping sleeve and the rear clamping sleeve are embedded into the surface of the pipeline to form conical surface sealing, and the double-clamp sleeve joint is connected with the pipeline;
however, when the ferrule nut is screwed, a gap is easily generated between the pipeline and the joint body, so that a medium in the pipeline leaks into the gap between the joint body and the pipeline, and the engagement degree of the ferrule and the pipeline is affected.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fastening seal structure of two cutting ferrule formula coupling to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a fastening and sealing structure of a double ferrule type pipe joint, comprising:
the inner wall of the embedded groove is provided with an inner positioning groove, and the inner wall of the embedded groove is provided with an outer positioning groove;
the sealing ring is arranged inside the embedded groove, one side of the sealing ring is provided with an inner positioning ring, the other side of the sealing ring is provided with an outer positioning ring, a first air bin and a second air bin are arranged inside the sealing ring, and a communicating hole is formed between the first air bin and the second air bin;
the telescopic cover is arranged on the surface of the sealing ring.
Preferably, the embedded groove is formed in the inner wall of the connector body, a pipeline is inserted into the connector body, and a clamping sleeve nut, a front clamping sleeve and a rear clamping sleeve are sleeved on the surface of the pipeline.
Preferably, the inner positioning groove is formed in one side, close to the inner part of the joint body, of the embedded groove, and the outer positioning groove is formed in one side, close to the outer part of the joint body, of the embedded groove.
Preferably, the sealing washer is the loop configuration, and the sealing washer is overall structure with interior holding ring and outer holding ring, and interior holding ring joint is in the inside of interior holding groove, and outer holding ring joint is in the inside of outer holding groove, and one side that the sealing washer is close to the inside that connects the body is provided with the fender ring.
Preferably, a gas storehouse sets up in the sealing washer and is close to one side of interior holding ring, and No. two gas storehouses set up in the sealing washer and are close to one side of outer holding ring, and the intercommunicating pore communicates a gas storehouse and No. two gas storehouses.
Preferably, the telescopic cover is fixedly connected with the sealing ring, and the telescopic cover is arranged on one side of the second air bin.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a fastening seal structure of double-ferrule pipe joint, through the inside with sealing washer embedding embedded groove, insert the inside back of embedded groove at the pipeline, the tip top of pipeline is tight in one side of sealing washer, thereby seal between the pipeline and the joint body has been increased, receive pressure when the sealing washer, make the inside atmospheric pressure of a gas storehouse pass through the inside that the intercommunicating pore got into No. two gas storehouses, make the expansion cover paste the tip at the pipeline, further increased pipeline and connect the sealed between the body, when screwing up cutting ferrule nut, pipeline and joint body produce the gap easily, lead to the medium seepage in the pipeline to connect in the crack of body and pipeline, influence the problem of the degree of engagement of cutting ferrule and pipeline.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic sectional view of the present invention;
fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.
In the figure: the joint comprises a joint body 1, an embedded groove 11, an inner positioning groove 12, an outer positioning groove 13, a ferrule nut 2, a front ferrule 21, a rear ferrule 22, a pipeline 3, a sealing ring 4, an inner positioning ring 41, an outer positioning ring 42, a first air chamber 43, a second air chamber 44, a communicating hole 45, a telescopic cover 46 and a baffle ring 47.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some embodiments of the invention and are not limiting of the invention, and that all other embodiments obtained by those of ordinary skill in the art without the exercise of inventive faculty are within the scope of the invention.
Example one
Referring to fig. 1-3, the present invention provides a technical solution:
a fastening and sealing structure of a double ferrule type pipe joint, comprising: an inner positioning groove 12 is formed in the inner wall of the embedded groove 11, and an outer positioning groove 13 is formed in the inner wall of the embedded groove 11; the sealing ring 4 is arranged in the embedded groove 11, one side of the sealing ring 4 is provided with an inner positioning ring 41, the other side of the sealing ring 4 is provided with an outer positioning ring 42, a first air bin 43 and a second air bin 44 are arranged in the sealing ring 4, and a communicating hole 45 is formed between the first air bin 43 and the second air bin 44; the telescopic cover 46 is arranged on the surface of the sealing ring 4; the embedded groove 11 is formed in the inner wall of the connector body 1, a pipeline 3 is inserted into the connector body 1, and a clamping sleeve nut 2, a front clamping sleeve 21 and a rear clamping sleeve 22 are sleeved on the surface of the pipeline 3;
through the inside with sealing washer 4 embedding embedded groove 11, after pipeline 3 inserts the inside of embedded groove 11, the tip of pipeline 3 top tightly is in one side of sealing washer 4 to increased the sealed between pipeline 3 and the joint body 1, receive pressure when sealing washer 4, make the inside atmospheric pressure of a gas storehouse 43 pass through the inside of intercommunicating pore 45 entering No. two gas storehouses 44, make flexible cover 46 paste the tip at pipeline 3, further increased the sealed between pipeline 3 and the joint body 1.
Example two
On the basis of the first embodiment, in order to realize the installation of the sealing ring 4, the inner positioning groove 12 is arranged on one side of the embedded groove 11 close to the inner part of the joint body 1, and the outer positioning groove 13 is arranged on one side of the embedded groove 11 close to the outer part of the joint body 1; the sealing ring 4 is of an annular structure, the sealing ring 4, the inner positioning ring 41 and the outer positioning ring 42 are of an integral structure, the inner positioning ring 41 is clamped inside the inner positioning groove 12, the outer positioning ring 42 is clamped inside the outer positioning groove 13, and a retaining ring 47 is arranged on one side of the sealing ring 4 close to the inside of the joint body 1;
the sealing ring 4 is pressed into the embedding groove 11, so that the inner positioning ring 41 is clamped into the inner positioning groove 12, the outer positioning ring 42 is clamped into the outer positioning groove 13, and the retaining ring 47 is attached to the inner wall of the joint body 1, so that the installation of the sealing ring 4 is completed.
EXAMPLE III
On the basis of the second embodiment, in order to realize the pressure application to the telescopic cover 46, the first air chamber 43 is arranged on one side of the sealing ring 4 close to the inner positioning ring 41, the second air chamber 44 is arranged on one side of the sealing ring 4 close to the outer positioning ring 42, and the communication hole 45 is communicated with the first air chamber 43 and the second air chamber 44; the telescopic cover 46 is fixedly connected with the sealing ring 4, and the telescopic cover 46 is arranged on one side of the second air bin 44;
when the medium in the ferrule nut 2 is conveyed, the pressure generated by the medium acts on the sealing ring 4 through the baffle ring 47, so that the air pressure in the first air chamber 43 enters the second air chamber 44 through the communication hole 45, and the air pressure in the second air chamber 44 is increased to force the expansion cover 46 to expand.
During the use, with the inside of sealing washer 4 embedding embedded groove 11, establish the surface of pipeline 3 with cutting ferrule nut 2, preceding cutting ferrule 21 and back cutting ferrule 22 loop through the tip cover of pipeline 3, then insert the inside of the body 1 that connects with pipeline 3, make pipeline 3 support tightly on the surface of sealing washer 4, screw up cutting ferrule nut 2 on the surface of the body 1 that connects, make preceding cutting ferrule 21 and back cutting ferrule 22 bite tightly on the surface of pipeline 3, sealing washer 4 forms sealedly between the inner wall of the body 1 that connects at this moment at pipeline 3.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a fastening seal structure of two cutting ferrule formula coupling which characterized in that: the fastening and sealing structure of the double ferrule type pipe joint comprises:
the inner wall of the embedded groove (11) is provided with an inner positioning groove (12), and the inner wall of the embedded groove (11) is provided with an outer positioning groove (13);
the sealing ring (4) is arranged in the embedded groove (11), one side of the sealing ring (4) is provided with an inner positioning ring (41), the other side of the sealing ring (4) is provided with an outer positioning ring (42), a first air bin (43) and a second air bin (44) are arranged in the sealing ring (4), and a communicating hole (45) is formed between the first air bin (43) and the second air bin (44);
and the telescopic cover (46), wherein the telescopic cover (46) is arranged on the surface of the sealing ring (4).
2. The fastening and sealing structure of a double ferrule type pipe joint according to claim 1, wherein: the embedded groove (11) is provided with an inner wall connected with the joint body (1), a pipeline (3) is inserted into the joint body (1), and a clamping sleeve nut (2), a front clamping sleeve (21) and a rear clamping sleeve (22) are sleeved on the surface of the pipeline (3).
3. The fastening and sealing structure of a double ferrule type pipe joint according to claim 2, wherein: the inner positioning groove (12) is arranged on one side, close to the inside of the joint body (1), of the embedded groove (11), and the outer positioning groove (13) is arranged on one side, close to the outside of the joint body (1), of the embedded groove (11).
4. The fastening and sealing structure of a double ferrule type pipe joint according to claim 3, wherein: sealing washer (4) are the loop configuration, and sealing washer (4) are overall structure with interior holding ring (41) and outer holding ring (42), and the inside of constant head tank (12) including interior holding ring (41) joint, and the inside of constant head tank (13) is outside in outer holding ring (42) joint, and one side that sealing washer (4) are close to the inside of joint body (1) is provided with fender ring (47).
5. The fastening and sealing structure of a double ferrule type tube fitting according to claim 4, wherein: a gas storehouse (43) sets up in sealing washer (4) one side that is close to interior holding ring (41), and No. two gas storehouses (44) set up in sealing washer (4) one side that is close to outer holding ring (42), and intercommunicating pore (45) intercommunication gas storehouse (43) and No. two gas storehouses (44).
6. The fastening and sealing structure of a double ferrule type pipe joint according to claim 5, wherein: the telescopic cover (46) is fixedly connected with the sealing ring (4), and the telescopic cover (46) is arranged on one side of the second air bin (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223412645.5U CN218845368U (en) | 2022-12-16 | 2022-12-16 | Fastening and sealing structure of double-ferrule type pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223412645.5U CN218845368U (en) | 2022-12-16 | 2022-12-16 | Fastening and sealing structure of double-ferrule type pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218845368U true CN218845368U (en) | 2023-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223412645.5U Active CN218845368U (en) | 2022-12-16 | 2022-12-16 | Fastening and sealing structure of double-ferrule type pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218845368U (en) |
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2022
- 2022-12-16 CN CN202223412645.5U patent/CN218845368U/en active Active
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