CN212377504U - Pipeline sealing structure and engine - Google Patents
Pipeline sealing structure and engine Download PDFInfo
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- CN212377504U CN212377504U CN202021036161.3U CN202021036161U CN212377504U CN 212377504 U CN212377504 U CN 212377504U CN 202021036161 U CN202021036161 U CN 202021036161U CN 212377504 U CN212377504 U CN 212377504U
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Abstract
The utility model belongs to the technical field of the automobile-manufacturing, a pipeline seal structure and engine are disclosed. This pipeline seal structure for sealing connection first pipeline and second pipeline, pipeline seal structure includes: the first bell mouth structure is arranged at the tail end of the first pipeline; the second bell mouth structure is arranged at the tail end of the second pipeline; one end of the connecting pipe is sleeved in the first pipeline, and the other end of the connecting pipe is sleeved in the second pipeline; the first sealing ring is sleeved at one end of the connecting pipe and is abutted against the inner wall of the first bell mouth structure; and the second sealing ring is sleeved at the other end of the connecting pipe and is abutted against the inner wall of the second bell-mouth structure. This pipeline seal structure utilizes the radian of first horn mouth structure and second horn mouth structure to realize the connecting tube along its axial direction from the line location, has reduced the assembly degree of difficulty.
Description
Technical Field
The utility model relates to an automobile manufacturing technical field especially relates to a pipeline seal structure and engine.
Background
In motor vehicles, in particular engines, it is frequently the case that two parts are connected by a line to achieve a flow of fluid medium inside. The following connection forms exist for the pipe connections on different parts:
firstly, the conventional method is to use a rubber pipe as a connecting pipe, the connection of a rubber pipe clamp requires that the distance between two pipeline interfaces cannot be too close, but is limited by the arrangement space, when the distance between the two pipeline interfaces is very close, the connection form of the rubber pipe is not applicable any more, the assembly of the rubber pipe is very difficult because the assembly space is too small, and the sealing effect and the service life of the rubber pipe are influenced by the torsion of the rubber pipe after the assembly very easily;
secondly, flange bolt connection is adopted, but the requirement on the parallelism of the end faces of the two interfaces is very high by the flange bolt connection, so that the processing and the assembly are difficult;
thirdly, the O-shaped ring is connected in an inserting mode, but the requirement for the coaxiality of the two interfaces is very strict in the inserting mode of the O-shaped ring, so that the production cost is high, and the production efficiency is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pipeline seal structure and engine for two pipeline intervals are the nearer condition, reduce the processing degree of difficulty and manufacturing cost.
To achieve the purpose, the utility model adopts the following technical proposal:
a line sealing structure for sealingly connecting a first line and a second line, the line sealing structure comprising:
the first bell mouth structure is arranged at the tail end of the first pipeline;
the second bell mouth structure is arranged at the tail end of the second pipeline;
one end of the connecting pipe is sleeved in the first pipeline, and the other end of the connecting pipe is sleeved in the second pipeline;
the first sealing ring is sleeved at one end of the connecting pipe and abuts against the inner wall of the first bell mouth structure;
and the second sealing ring is sleeved at the other end of the connecting pipe and is abutted against the inner wall of the second bell-mouth structure.
Preferably, a first sealing groove is formed in the outer wall of one end of the connecting pipe, and the first sealing ring is arranged in the first sealing groove and abutted against the inner wall of the first sealing groove.
Preferably, a first annular bulge and a second annular bulge are convexly arranged on the outer wall of the connecting pipe, and the first annular bulge and the second annular bulge are arranged in parallel to form the first sealing groove.
Preferably, a second sealing groove is formed in the outer wall of the other end of the connecting pipe, and the second sealing ring is arranged in the second sealing groove and abutted against the inner wall of the second sealing groove.
Preferably, a third annular bulge and a fourth annular bulge are convexly arranged on the outer wall of the connecting pipe, and the third annular bulge and the fourth annular bulge are arranged in parallel to form the second sealing groove.
Preferably, the first pipe includes:
the first body is of a straight pipe structure;
the first connector is connected to the first body at one end, the connecting pipe is inserted into the other end of the first connector, and the first connector is of a first bell mouth structure.
Preferably, the inner diameter of the first port gradually increases along the axial direction of the first port and in a direction away from the first body.
Preferably, the second pipeline includes:
the second body is of a straight pipe structure;
and one end of the second interface is connected to the second body, the other end of the second interface is used for being inserted into the connecting pipe, and the second interface is of a second bell-mouth structure.
Preferably, the inner diameter of the second port gradually increases along an axial direction of the second port and in a direction away from the second body.
In order to achieve the above object, the present invention further provides an engine, including the above pipeline sealing structure.
The utility model has the advantages that:
the utility model provides a pipeline sealing structure, through setting up one end of the connecting pipe to wear to locate in the first pipeline, another end wears to locate in the second pipeline, make first pipeline, connecting pipe and second pipeline communicate each other, facilitate the circulation of the fluid medium; one end of the connecting pipe is sleeved with the first sealing ring and is abutted against the inner wall of the first bell mouth structure, and the first sealing ring is used for sealing between the connecting pipe and the first pipeline. The other end of connecting pipe and butt in the inner wall of second horn mouth structure are located to the second sealing washer cover, and the second sealing washer is used for the sealed between connecting pipe and the second pipeline, under the combined action of first sealing washer and second sealing washer, has guaranteed the leakproofness of tube coupling.
The end through first pipeline is provided with first horn mouth structure, and the end of second pipeline is provided with second horn mouth structure, utilizes the radian of first horn mouth structure and second horn mouth structure to realize the connecting tube along its axial direction from the line location, has reduced the assembly degree of difficulty. Simultaneously, mutually supporting between first horn mouth structure and first sealing washer and between second horn mouth structure and the second sealing washer, make the connecting pipe overcome the skew torsion problem that brings when first pipeline and second pipeline axiality are lower through self assembly degree of freedom, and the connecting pipe is fixed because of receiving the extrusion force by first sealing washer and second sealing washer to the uneven condition of atress that brings when the cooperation arc structure has avoided the connecting pipe skew, has further guaranteed the leakproofness.
The utility model also provides an engine, including foretell pipeline seal structure. The material cost of first sealing washer and second sealing washer is lower, has effectively reduced parts machining and assembly precision requirement to reduce manufacturing cost, the assembly of self-align has accelerated the production beat simultaneously, has improved production efficiency.
Drawings
Fig. 1 is a schematic structural view of the pipeline sealing structure of the present invention;
fig. 2 is a sectional view of the pipeline sealing structure of the present invention.
In the figure:
1. a first pipeline; 2. a second pipeline; 3. a connecting pipe; 4. a first seal ring; 5. a second seal ring;
11. a first body; 12. a first interface;
21. a second body; 22. a second interface;
31. a first seal groove; 32. a second seal groove.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
The embodiment provides a pipeline sealing structure which is used for connection between pipelines so as to realize circulation of fluid media. As shown in fig. 1-2, the pipeline sealing structure is used for sealing and connecting a first pipeline 1 and a second pipeline 2, and both the first pipeline 1 and the second pipeline 2 are pipelines to be connected.
This pipeline seal structure includes: the connecting pipe 3, the first sealing ring 4 and the second sealing ring 5 are arranged, and the first bell mouth structure is arranged at the tail end of the first pipeline 1; the second bell mouth structure is arranged at the tail end of the second pipeline 2; one end of the connecting pipe 3 is sleeved in the first pipeline 1, the other end is sleeved in the second pipeline 2, and the connecting pipe 3 plays a role in intermediate connection. The first sealing ring 4 is specifically an O-ring, the first sealing ring 4 is sleeved at one end of the connecting pipe 3 and abuts against the inner wall of the first bell mouth structure, and the first sealing ring 4 plays a role in sealing. The second sealing ring 5 is specifically an O-ring, the second sealing ring 5 is sleeved at the other end of the connecting pipe 3 and abuts against the inner wall of the second bell-mouth structure, and the second sealing ring 5 plays a role in sealing.
In the pipe sealing structure provided by this embodiment, one end of the connecting pipe 3 is arranged to penetrate through the first pipe 1, and the other end of the connecting pipe is arranged to penetrate through the second pipe 2, so that the first pipe 1, the connecting pipe 3 and the second pipe 2 are communicated with each other, and the circulation of fluid medium is facilitated; one end of the connecting pipe 3 is sleeved with the first sealing ring 4 and the first sealing ring 4 abuts against the inner wall of the first bell mouth structure, and the first sealing ring 4 is used for sealing between the connecting pipe 3 and the first pipeline 1. The other end of connecting pipe 3 and butt in the inner wall of second horn mouth structure are located to the cover of second sealing washer 5, and second sealing washer 5 is used for the sealed between connecting pipe 3 and the second pipeline 2, under the combined action of first sealing washer 4 and second sealing washer 5, has guaranteed the leakproofness of tube coupling.
The end through first pipeline 1 is provided with first horn mouth structure, and the end of second pipeline 2 is provided with second horn mouth structure, utilizes the radian of first horn mouth structure and second horn mouth structure to realize that connecting pipe 3 has reduced the assembly degree of difficulty along its axial direction from the line location. Simultaneously, mutually supporting between first horn mouth structure and first sealing washer 4 and between second horn mouth structure and the second sealing washer 5, make connecting pipe 3 overcome the skew torsion problem that brings when first pipeline 1 and 2 axialities of second pipeline are lower through self assembly degree of freedom, and connecting pipe 3 is fixed because of receiving the extrusion force by first sealing washer 4 and second sealing washer 5, and the uneven condition of atress that brings when cooperation arc structure has avoided connecting pipe 3 skew, further guaranteed the leakproofness.
Further, as shown in fig. 2, a first seal groove 31 is provided on an outer wall of one end of the connection pipe 3, and the first seal ring 4 is provided in the first seal groove 31 and abuts against an inner wall thereof. Through being provided with first seal groove 31 on the outer wall of connecting pipe 3, first seal groove 31 has played the spacing effect to first sealing washer 4. The first sealing ring 4 is made of elastic materials, and the first sealing ring 4 is abutted against the inner wall of the first sealing groove 31, so that the first sealing ring 4 is fixed.
Optionally, a first sealing groove 31 is formed on the outer wall of the connecting pipe 3 in a concave manner, in this embodiment, a first annular protrusion and a second annular protrusion are preferably convexly arranged on the outer wall of the connecting pipe 3, and the first annular protrusion and the second annular protrusion are arranged in parallel to each other to form the first sealing groove 31. The side that first annular arch and second annular arch are close to each other realizes spacing first sealing washer 4, avoids first sealing washer 4 to appear along the condition of 3 axial displacement of connecting pipe, guarantees first sealing washer 4's positional stability. Compare in the sunken mode that forms first seal groove 31, first annular arch and second annular arch are all for the outer wall protrusion setting of connecting pipe 3, do not change the wall thickness of connecting pipe 3 for connecting pipe 3's intensity is good.
Further, as shown in fig. 2, a second seal groove 32 is provided on an outer wall of the other end of the connection pipe 3, and the second seal ring 5 is provided in the second seal groove 32 and abuts against an inner wall thereof. Through being provided with second seal groove 32 on the outer wall of connecting pipe 3, second seal groove 32 has played the spacing effect to second sealing washer 5. The second sealing ring 5 is made of elastic materials, and the second sealing ring 5 is abutted against the inner wall of the second sealing groove 32, so that the second sealing ring 5 is fixed.
Optionally, a second sealing groove 32 is formed on the outer wall of the connecting pipe 3 in a concave manner, in this embodiment, a third annular protrusion and a fourth annular protrusion are preferably convexly arranged on the outer wall of the connecting pipe 3, and the third annular protrusion and the fourth annular protrusion are arranged in parallel to each other to form the second sealing groove 32. The third annular bulge and the fourth annular bulge are close to each other at the side faces, so that the second sealing ring 5 is limited, the second sealing ring 5 is prevented from moving axially along the connecting pipe 3, and the position stability of the second sealing ring 5 is ensured. Compare in the sunken mode that forms second seal groove 32, third annular arch and fourth annular arch are all for the outer wall protrusion setting of connecting pipe 3, do not change the wall thickness of connecting pipe 3 for connecting pipe 3's intensity is good.
Further, as shown in fig. 2, the first pipeline 1 includes a first body 11 and a first connector 12, the first body 11 is a straight pipe structure, and the first body 11 is a hollow structure for flowing a fluid medium. One end of the first connector 12 is connected to the first body 11, the connecting tube 3 is inserted into the inner cavity of the other end of the first connector 12, and the first connector 12 is used for connecting the first body 11 and the connecting tube 3. The inner wall of the first interface 12 is of a first bell mouth structure, and the first sealing ring 4 and the first interface 12 are mutually abutted to play a role in fixing.
As shown in fig. 2, the second pipeline 2 includes a second body 21 and a second connection port 22, the second body 21 is a straight pipe structure, and the second body 21 is a hollow structure for flowing a fluid medium. One end of the second connector 22 is connected to the second body 21, the connecting tube 3 is inserted into the inner cavity of the other end of the second connector 22, and the second connector 22 is used for connecting the second body 21 and the connecting tube 3. The inner wall of the second interface 22 is of a second bell mouth structure, and the second sealing ring 5 and the second interface 22 are mutually abutted to play a role in fixing.
Through setting up first interface 12 and second interface 22, when the axis of first body 11 and the axis of second body 21 were not collinear, connecting pipe 3 can remove thereupon, because the both ends of connecting pipe 3 are fixed through first sealing washer 4 and second sealing washer 5 atress respectively, connecting pipe 3 is at the removal skew in-process, first sealing washer 4 removes on the inner wall of first horn mouth structure, second sealing washer 5 removes on the inner wall of second horn mouth structure, radial atress is in balanced state, make first sealing washer 4 and second sealing washer 5 be in the state that has certain compressive capacity all the time, further guaranteed the leakproofness. The connection mode reduces the requirement on the coaxiality of the first interface 12 and the second interface 22, and reduces the difficulty of production and processing.
Further, the inner diameter of the first port 12 gradually increases along the axial direction of the first port 12 and in a direction away from the first body 11. The inner diameter of the second port 22 gradually increases in the axial direction of the second port 22 and in the direction away from the second body 21. By arranging the first connector 12 and the second connector 22 to be horn-mouth structures, the connecting pipe 3 is extruded by two ends in opposite directions, so that the self-positioning of the connecting pipe 3 is realized.
The embodiment also provides an engine which comprises the pipeline sealing structure. The material cost of the first sealing ring 4 and the second sealing ring 5 is low, the requirements of part machining and assembly precision are effectively reduced, the production cost is reduced, meanwhile, the production beat is accelerated by self-positioning assembly, and the production efficiency is improved.
In the description herein, it is to be understood that the terms "upper", "lower", "right", and the like are used in an orientation or positional relationship based on that shown in the drawings for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.
In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
In addition, the foregoing is only the preferred embodiment of the present invention and the technical principles applied thereto. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. A pipe sealing structure for sealingly connecting a first pipe (1) and a second pipe (2), characterized in that the pipe sealing structure comprises:
the first bell mouth structure is arranged at the tail end of the first pipeline (1);
the second bell mouth structure is arranged at the tail end of the second pipeline (2);
one end of the connecting pipe (3) is sleeved in the first pipeline (1), and the other end of the connecting pipe is sleeved in the second pipeline (2);
the first sealing ring (4) is sleeved at one end of the connecting pipe (3) and abuts against the inner wall of the first bell mouth structure;
and the second sealing ring (5) is sleeved at the other end of the connecting pipe (3) and is abutted against the inner wall of the second bell-mouth structure.
2. The line sealing structure according to claim 1, characterized in that a first sealing groove (31) is provided on an outer wall of one end of the connecting pipe (3), and the first sealing ring (4) is provided in the first sealing groove (31) and abuts against an inner wall thereof.
3. The line sealing structure according to claim 2, characterized in that a first annular bulge and a second annular bulge are convexly arranged on the outer wall of the connecting pipe (3), and the first annular bulge and the second annular bulge are arranged in parallel to each other to form the first sealing groove (31).
4. The line sealing structure according to claim 1, characterized in that a second sealing groove (32) is provided on the outer wall of the other end of the connecting pipe (3), and the second sealing ring (5) is provided in the second sealing groove (32) and abuts against the inner wall thereof.
5. The line sealing structure of claim 4, characterized in that a third annular bulge and a fourth annular bulge are convexly arranged on the outer wall of the connecting pipe (3), and the third annular bulge and the fourth annular bulge are arranged in parallel to each other to form the second sealing groove (32).
6. The pipe sealing structure according to claim 1, characterized in that the first pipe (1) comprises:
the first body (11), the first body (11) is a straight pipe structure;
the first connector (12), one end of the first connector (12) is connected to the first body (11), the other end of the first connector is used for inserting the connecting pipe (3), and the first connector (12) is of a first bell mouth structure.
7. The line sealing structure according to claim 6, characterized in that the inner diameter of the first nipple (12) is gradually increased in the axial direction of the first nipple (12) and in the direction away from the first body (11).
8. The line sealing structure according to claim 1, characterized in that the second line (2) comprises:
a second body (21), wherein the second body (21) is of a straight pipe structure;
one end of the second interface (22) is connected to the second body (21), the other end of the second interface (22) is used for being inserted into the connecting pipe (3), and the second interface (22) is of a second bell-mouth structure.
9. The line sealing structure according to claim 8, characterized in that the second nipple (22) has an inner diameter that gradually increases in an axial direction of the second nipple (22) and in a direction away from the second body (21).
10. An engine comprising the line sealing structure of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021036161.3U CN212377504U (en) | 2020-06-08 | 2020-06-08 | Pipeline sealing structure and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021036161.3U CN212377504U (en) | 2020-06-08 | 2020-06-08 | Pipeline sealing structure and engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212377504U true CN212377504U (en) | 2021-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021036161.3U Active CN212377504U (en) | 2020-06-08 | 2020-06-08 | Pipeline sealing structure and engine |
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| Country | Link |
|---|---|
| CN (1) | CN212377504U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923362A (en) * | 2021-03-01 | 2021-06-08 | 台州市迪欧电器有限公司 | Full premix combustor |
-
2020
- 2020-06-08 CN CN202021036161.3U patent/CN212377504U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923362A (en) * | 2021-03-01 | 2021-06-08 | 台州市迪欧电器有限公司 | Full premix combustor |
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