CN212672641U - Internal combustion engine and gas pipeline sealing connecting device thereof - Google Patents
Internal combustion engine and gas pipeline sealing connecting device thereof Download PDFInfo
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- CN212672641U CN212672641U CN202021004206.9U CN202021004206U CN212672641U CN 212672641 U CN212672641 U CN 212672641U CN 202021004206 U CN202021004206 U CN 202021004206U CN 212672641 U CN212672641 U CN 212672641U
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Abstract
The utility model discloses an internal-combustion engine and gas line sealing connecting device thereof, gas line sealing connecting device includes: a first connection pipe and a second connection pipe; the connecting sealing ring comprises a ring body and an extrusion side edge which are sequentially arranged along the axial direction, the extrusion side edge is fixedly connected with the ring body, a contraction opening is formed between the extrusion side edge and the ring body, the ring body is sleeved on the second connecting pipe, and the extrusion side edge is pressed on the end wall of the first connecting pipe. The structural design of the gas pipeline sealing connection device can effectively improve the installation precision of the gas pipeline.
Description
Technical Field
The utility model relates to a tube coupling technical field, more specifically say, relate to an internal-combustion engine and gas line sealing connecting device thereof.
Background
When connecting some gas pipelines with smaller internal and external pressure difference, flanges and the like are generally adopted for connection, and the requirement on installation precision is difficult to meet by setting hard connection in such a way. In addition, the requirements of airtightness and mounting accuracy are not further ensured when gas is transferred from a rotating pipe to a stationary pipe.
In summary, how to effectively improve the installation accuracy of the gas pipeline is a problem that needs to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the first objective of the present invention is to provide a gas pipeline sealing connection device, the structural design of which can effectively improve the installation accuracy of the gas pipeline, and the second objective of the present invention is to provide an internal combustion engine including the above gas pipeline sealing connection device.
In order to achieve the first object, the present invention provides the following technical solutions:
a gas line sealing connection, comprising:
a first connection pipe and a second connection pipe;
the connecting sealing ring comprises a ring body and an extrusion side edge which are sequentially arranged along the axial direction, the extrusion side edge is fixedly connected with the ring body, a contraction opening is formed between the extrusion side edge and the ring body, the ring body is sleeved on the second connecting pipe, and the extrusion side edge is pressed on the end wall of the first connecting pipe.
Preferably, in the above gas pipeline sealing and connecting device, the ring body is in interference connection with the second connecting pipe.
Preferably, in the above-described gas line sealing connection device, one of the first connection pipe and the second connection pipe is a rotary line.
Preferably, in the above gas line sealing and connecting device, the second connecting pipe is a rotary pipe.
Preferably, in the gas pipeline sealing and connecting device, the number of the first connecting pipes is two, and the two first connecting pipes are respectively connected with two ends of the second connecting pipe.
Preferably, in the above-mentioned gas pipeline sealing and connecting device, one of the two first connecting pipes is a rotating pipeline and the other is a stationary pipeline, and the second connecting pipe is a stationary pipeline.
Preferably, in the gas line sealing and connecting device, the second connecting pipe is an L-shaped pipe.
Preferably, in the above-mentioned gas pipeline sealing and connecting device, an opening end of the contraction opening faces an outer side of the connecting seal ring.
Preferably, in the above gas line sealing and connecting device, the connecting seal ring is made of rubber.
An internal combustion engine comprising a gas line sealing connection as claimed in any one of the preceding claims.
The utility model provides a gas line sealing connecting device includes first connecting pipe, second connecting pipe and connects the sealing washer. Wherein, connect the sealing washer and include fixed connection's circle body and extrusion side, circle body and extrusion side can formula structure as an organic whole. The ring body and the extrusion side edges are sequentially arranged along the axial direction of the connecting sealing ring, and a contraction opening is formed between the extrusion side edges and the ring body. The root of the extrusion side edge is fixedly connected with the ring body, and a gap is reserved between the top of the extrusion side edge and the ring body, so that the top of the extrusion side edge can be close to or far away from the ring body.
The ring body is sleeved on the second connecting pipe, and the extrusion side edge is pressed on the end wall of the first connecting pipe. The fixed cover of circle body is established on the second connecting pipe promptly, and the top of extrusion side is pressed on the end wall of first connecting pipe, and the end wall of first connecting pipe is located one side that deviates from the circle body of extrusion side.
When using the gas pipeline sealing connection device that above-mentioned embodiment provided, because the top of extrusion side presses on the end wall of first connecting pipe to the end wall of first connecting pipe is located the one side that deviates from the circle body of extrusion side, so set up, utilize the end wall of extrusion side extrusion first connecting pipe, so that the end wall sealing contact of extrusion side and first connecting pipe, circle body and second connecting pipe are connected simultaneously, and then realize that first connecting pipe and second connecting pipe pass through the sealing washer and connect. Wherein, utilize the end wall of extrusion side extrusion first connecting pipe, the extrusion side can be close to or keep away from the requirement of circle body and then satisfying the installation accuracy, has improved the gas tightness simultaneously.
In order to achieve the second objective, the present invention further provides an internal combustion engine, which includes any one of the gas pipeline sealing connection devices. Due to the technical effects of the gas pipeline sealing connection device, an internal combustion engine with the gas pipeline sealing connection device also has corresponding technical effects.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a gas pipeline sealing connection device according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of the connection sealing ring according to an embodiment of the present invention.
In FIGS. 1-2:
1-a first connecting pipe, 2-a connecting sealing ring, 2 a-a ring body, 2 b-an extrusion side, 2 c-a contraction opening and 3-a second connecting pipe.
Detailed Description
A first object of the present invention is to provide a gas pipeline sealing connection device, which can effectively improve the installation accuracy of gas pipelines, and a second object of the present invention is to provide an internal combustion engine comprising the gas pipeline sealing connection device.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left" and "right" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the indicated position or element must have a specific orientation, be constituted in a specific orientation, and be operated, and thus, are not to be construed as limitations of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1-2, the gas pipeline sealing and connecting device provided by the present invention includes a first connecting pipe 1, a second connecting pipe 3 and a connecting sealing ring 2. Wherein, connect sealing washer 2 including fixed connection's circle body 2a and extrusion side 2b, circle body 2a and extrusion side 2b can formula structure as an organic whole. The ring body 2a and the pressing side 2b are arranged in order along the axial direction of the connecting seal ring 2, and a contraction opening 2c is formed between the pressing side 2b and the ring body 2 a. That is, the root of the pressing side 2b is fixedly connected with the ring body 2a, and a gap is provided between the top of the pressing side 2b and the ring body 2a, so that the top of the pressing side 2b can be close to or far away from the ring body 2 a. The constricted opening 2c may be a V-shaped opening or a U-shaped opening, but is not limited thereto.
The ring body 2a is fitted over the second connecting pipe 3, and the pressing side 2b presses against the end wall of the first connecting pipe 1. That is, the ring body 2a is fixedly sleeved on the second connecting pipe 3, the top of the extrusion side edge 2b is pressed on the end wall of the first connecting pipe 1, and the end wall of the first connecting pipe 1 is positioned on one side of the extrusion side edge 2b deviating from the ring body 2 a.
When using the gas pipeline sealing connection device that above-mentioned embodiment provided, because the top of extrusion side 2b is pressed on the end wall of first connecting pipe 1, and the end wall of first connecting pipe 1 is located one side that deviates from circle body 2a of extrusion side 2b, so set up, utilize extrusion side 2b to extrude the end wall of first connecting pipe 1, so that extrude side 2b and the end wall sealing contact of first connecting pipe 1, circle body 2a is connected with second connecting pipe 3 simultaneously, and then realize that first connecting pipe 1 and second connecting pipe 3 pass through sealing washer 2 and connect. Wherein, utilize extrusion side 2b to extrude the end wall of first connecting pipe 1, extrusion side 2b can be close to or keep away from the requirement of circle body 2a and then satisfying the installation accuracy, has improved the gas tightness simultaneously.
When the extrusion side edge 2b is close to the ring body 2a, the opening end of the contraction opening 2c becomes small; when the pressing side 2b is away from the ring body 2a, the opening end of the contraction opening 2c becomes larger.
In a specific embodiment, the ring body 2a and the second connection pipe 3 may be interference-connected. Namely, the ring body 2a is elastically sleeved on the second connecting pipe 3. Of course, the ring body 2a may be pressed against the second connection pipe 3 by other members, which are not limited herein.
To improve the functionality, one of the first and second connection pipes 1 and 3 may be a rotary pipe. The rotary pipeline is a pipeline which rotates around the axis of the port of the rotary pipeline during operation. The other of the first connection pipe 1 and the second connection pipe 3 may be a stationary pipe, so that the stationary pipe may be connected to the rotary pipe.
Preferably, the second connection pipe 3 is a rotary pipe, so that the second connection pipe 3 in press-contact with the pressing side 2b is in a rotating state, and the pressing side 2b can be kept in constant contact with the end wall of the second connection pipe 3 to ensure airtightness.
In another embodiment, the number of the first connection pipes 1 is two, and two first connection pipes 1 are connected to both ends of the second connection pipe 3, respectively. The two first connecting pipes 1 are connected with two ends of the second connecting pipe 3 through connecting seal rings 2 respectively. Thereby, the sequential connection of the three connecting pipes can be realized.
Further, one of the two first connecting pipes 1 is a rotating pipe and the other is a stationary pipe, and the second connecting pipe 3 is a stationary pipe. Of course, both the first connecting pipes 1 may be rotary pipes, and are not limited herein.
In the above embodiments, the second connection pipe 3 may be a straight pipe or an L pipe, and is not limited herein.
Preferably, the mouth end of the constricted opening 2c formed between the pressing side 2b and the ring body 2a is directed toward the outside of the coupling seal ring 2. I.e. the mouth end of the constricted opening 2c faces away from the axis of the connecting seal 2. Of course, the mouth end of the constricted opening 2c formed between the pressing side 2b and the ring body 2a faces the inside of the connecting seal ring 2.
The material of the connecting seal ring 2 may be rubber, silica gel, etc., and is not limited herein.
Based on the gas line sealing connecting device that provides in the above-mentioned embodiment, the utility model also provides an internal-combustion engine, this internal-combustion engine includes arbitrary gas line sealing connecting device in the above-mentioned embodiment. Because the internal combustion engine adopts the gas pipeline sealing connecting device in the above embodiment, please refer to the above embodiment for the beneficial effects of the internal combustion engine.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., 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. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Claims (10)
1. A gas line sealing connection device, comprising:
a first connecting pipe (1) and a second connecting pipe (3);
connect sealing washer (2), connect sealing washer (2) including circle body (2a) and the extrusion side (2b) of arranging in proper order along the axial, extrusion side (2b) with circle body (2a) fixed connection, extrusion side (2b) with form shrink opening (2c) between circle body (2a), circle body (2a) cover is established on second connecting pipe (3) just extrusion side (2b) are pressed on the end wall of first connecting pipe (1).
2. The gas line sealing connection device according to claim 1, characterized in that the ring body (2a) is in interference connection with the second connecting tube (3).
3. The gas line sealing connection device according to claim 1, characterized in that one of the first and second connection pipes (1, 3) is a rotary pipe.
4. The gas line sealing connection device according to claim 1, characterized in that the second connection pipe (3) is a rotary pipe.
5. The gas line sealing connection device according to claim 1, wherein the number of the first connection pipes (1) is two and two first connection pipes (1) are respectively connected with both ends of the second connection pipe (3).
6. The gas line sealing connection device according to claim 5, characterized in that one of the two first connection pipes (1) is a rotating pipe and the other is a stationary pipe, and the second connection pipe (3) is a stationary pipe.
7. The gas line sealing connection device according to claim 1, characterized in that the second connection pipe (3) is an L-shaped pipe.
8. The gas line sealing connection according to claim 1, characterized in that the mouth end of the constricted opening (2c) is directed towards the outside of the connection sealing ring (2).
9. The gas pipeline sealing connection device according to claim 1, wherein the connecting sealing ring (2) is made of rubber.
10. An internal combustion engine comprising a gas line sealing connection as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021004206.9U CN212672641U (en) | 2020-06-04 | 2020-06-04 | Internal combustion engine and gas pipeline sealing connecting device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021004206.9U CN212672641U (en) | 2020-06-04 | 2020-06-04 | Internal combustion engine and gas pipeline sealing connecting device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212672641U true CN212672641U (en) | 2021-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021004206.9U Active CN212672641U (en) | 2020-06-04 | 2020-06-04 | Internal combustion engine and gas pipeline sealing connecting device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212672641U (en) |
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2020
- 2020-06-04 CN CN202021004206.9U patent/CN212672641U/en active Active
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