CN212131618U - Anti-leakage structure of air inlet main valve - Google Patents
Anti-leakage structure of air inlet main valve Download PDFInfo
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- CN212131618U CN212131618U CN202020792833.7U CN202020792833U CN212131618U CN 212131618 U CN212131618 U CN 212131618U CN 202020792833 U CN202020792833 U CN 202020792833U CN 212131618 U CN212131618 U CN 212131618U
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- sealing
- valve body
- butt joint
- butt
- pipeline
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Abstract
An object of the utility model is to provide a main valve's of admitting air prevents leaking structure for solve the technical problem who improves the sealed effect of main valve butt joint department of admitting air. A leakage-proof structure of a main intake valve comprises a valve body butt-joint terminal and a sealing ring body, wherein the valve body butt-joint terminal is inserted in a butt-joint pipeline through a valve body butt-joint pipe joint; the valve body butt joint terminal is connected with the pipeline butt joint flange through the valve body butt joint flange, and the sealing ring body is clamped between the valve body butt joint flange and the pipeline butt joint flange.
Description
Technical Field
The utility model belongs to the technical field of the sealed technique of main valve of admitting air and specifically relates to a main valve of admitting air prevents leaking structure.
Background
The main air inlet valve is key equipment for connecting the main pipeline and the branch pipeline, the connection sealing effect of the main air inlet valve is good or bad, and whether the natural gas can be quantitatively conveyed or not is determined. In the prior art, the natural gas leakage often occurs at the air inlet main valve due to the infirm sealing, which brings certain economic loss. How to improve the sealing effect of the joint of the air inlet main valve is a technical problem in the natural gas transportation operation and transportation industry.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a main valve's of admitting air prevents leaking structure for solve the technical problem who improves the sealed effect of main valve butt joint department of admitting air.
The utility model provides a technical scheme that its technical problem adopted is:
a leakage-proof structure of a main intake valve comprises a valve body butt-joint terminal and a sealing ring body, wherein the valve body butt-joint terminal is inserted in a butt-joint pipeline through a valve body butt-joint pipe joint; the valve body butt joint terminal is connected with the pipeline butt joint flange through the valve body butt joint flange, and the sealing ring body is clamped between the valve body butt joint flange and the pipeline butt joint flange.
Furthermore, the rear end of the valve body butt joint pipe head body is circumferentially provided with an inward-sunk sealing inner clamping groove, the axial direction of the sealing ring body is provided with a sealing inner clamping cavity, and the sealing inner clamping cavity is clamped in the sealing inner clamping groove.
Furthermore, at least two circles of coaxial sealing external clamping grooves are arranged on the butt joint surface of the valve body butt joint flange and the pipeline butt joint flange, and the plurality of sealing external clamping grooves are distributed at intervals in the radial direction; and two end faces of the sealing ring body are provided with outer sealing clamping rings, and the outer sealing clamping rings are clamped in the outer sealing clamping grooves.
Furthermore, a sealing elastic layer is arranged on the inner cavity surface of the butt joint pipeline, and the inner cavity of the butt joint pipeline is in interference fit with the butt joint pipe joint of the valve body.
The effects provided in the contents of the present invention are only the effects of the embodiments, not all the effects of the present invention, and the above technical solutions have the following advantages or beneficial effects:
1. the utility model discloses technical scheme sets up sealed outer draw-in groove on the butt joint face through setting up sealed inside groove, valve body docking flange and the pipeline docking flange that sink in the rear end circumference of valve body docking head body to and be equipped with sealed inside callipers chamber, set up sealed outer snap ring on the both ends face of the seal ring body in the axial of the seal ring body, can guarantee that the sealed joint of seal ring body is between valve body docking flange and pipeline docking flange.
2. The sealing elastic layer is arranged on the inner cavity surface of the butt joint pipeline, and the inner cavity of the butt joint pipeline is in interference fit with the butt joint pipe joint of the valve body, so that the sealing effect of the butt joint pipeline and the butt joint pipe joint of the valve body is further improved.
Drawings
Fig. 1 is a schematic side view of an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
fig. 3 is a schematic side view of the seal ring body according to an embodiment of the present invention;
in the figure: 1. a seal ring body; 2. the valve body is butted with the pipe head; 3. the valve body is butted with the flange; 4. sealing the inner clamping groove; 5. sealing the outer clamping groove; 6. butting pipelines; 7. sealing the elastic layer; 8. a pipeline butt flange; 9. sealing the inner clamping cavity; 10. sealing the outer snap ring; 11. and (4) butting bolts.
Detailed Description
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 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 given herein without making any creative effort, shall fall within 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. In the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to be construed as only or implying relative importance.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 3, a leakage-proof structure of a main intake valve comprises a valve body butt terminal and a seal ring body 1, wherein the main intake valve is butt jointed with a butt pipeline 6 through the valve body butt terminal, and the seal ring body 1 is arranged between the valve body butt terminal and the butt pipeline 6.
The valve body butt joint terminal comprises a valve body butt joint pipe head 2 and a valve body butt joint flange 3, and the valve body butt joint flange 3 is arranged on the periphery of the rear end of the valve body butt joint pipe head 2. The rear end of the body of the valve body butt joint pipe head 2 is circumferentially provided with an inward-sunk sealing inner clamping groove 4, the butt joint surface of the valve body butt joint flange 3 is provided with at least two circles of coaxial sealing outer clamping grooves 5, and the sealing outer clamping grooves 5 are radially distributed at intervals; the sealing inner clamping groove 4 and the sealing outer clamping groove 5 are respectively arranged corresponding to one end face of the sealing ring body 1. The inner cavity surface of the butt joint pipeline 6 is provided with a sealing elastic layer 7 (such as a rubber layer), when the butt joint pipeline is used, the valve body butt joint pipe head 2 is inserted into the inner cavity of the butt joint pipeline 6, and the inner cavity of the butt joint pipeline 6 is in interference fit with the valve body butt joint pipe head 2. A pipeline butt flange 8 is circumferentially arranged at the front end of the butt pipeline 6, at least two circles of coaxial sealing outer clamping grooves 5 are also arranged on the butt surface of the pipeline butt flange 8, and the sealing outer clamping grooves 5 are radially distributed at intervals; the sealing outer clamping grooves 5 are respectively arranged corresponding to the other end face of the sealing ring body 1. The axial direction of the sealing ring body 1 is provided with a sealing inner clamping cavity 9, and in use, the sealing inner clamping cavity 9 is clamped in the sealing inner clamping groove 4. And sealing outer clamping rings 10 are arranged on two end faces of the sealing ring body 1, and the sealing outer clamping rings 10 are clamped in the sealing outer clamping grooves 5 when the sealing ring is used. The valve body butt flange 3 and the pipeline butt flange 8 are correspondingly provided with butt screw holes, and the butt screw holes are fastened and connected through butt bolts 11 when in use and simultaneously seal and clamp the sealing ring body 1.
In addition to the technical features described in the specification, the technology is known to those skilled in the art.
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.
Claims (4)
1. A leakage-proof structure of a main air inlet valve is characterized by comprising a valve body butt joint terminal and a sealing ring body, wherein the valve body butt joint terminal is inserted into a butt joint pipeline through a valve body butt joint pipe joint; the valve body butt joint terminal is connected with the pipeline butt joint flange through the valve body butt joint flange, and the sealing ring body is clamped between the valve body butt joint flange and the pipeline butt joint flange.
2. A leakage-proof structure of an intake main valve according to claim 1, wherein the rear end of the valve body butt joint body is circumferentially provided with an inward-recessed sealing inner catching groove, and the sealing ring body is axially provided with a sealing inner catching cavity, and the sealing inner catching cavity is caught in the sealing inner catching groove.
3. A leakage-proof structure of an intake main valve according to claim 1, wherein at least two circles of coaxial sealing external clamping grooves are arranged on the abutting surfaces of the valve body abutting flange and the pipeline abutting flange, and a plurality of sealing external clamping grooves are radially distributed at intervals; and two end faces of the sealing ring body are provided with outer sealing clamping rings, and the outer sealing clamping rings are clamped in the outer sealing clamping grooves.
4. A leakage-proof structure of a main intake valve as claimed in claim 1, wherein a sealing elastic layer is provided on the inner cavity surface of the butt-joint pipeline, and the inner cavity of the butt-joint pipeline is in interference fit with the butt-joint pipe joint of the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020792833.7U CN212131618U (en) | 2020-05-13 | 2020-05-13 | Anti-leakage structure of air inlet main valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020792833.7U CN212131618U (en) | 2020-05-13 | 2020-05-13 | Anti-leakage structure of air inlet main valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212131618U true CN212131618U (en) | 2020-12-11 |
Family
ID=73692841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020792833.7U Active CN212131618U (en) | 2020-05-13 | 2020-05-13 | Anti-leakage structure of air inlet main valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212131618U (en) |
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2020
- 2020-05-13 CN CN202020792833.7U patent/CN212131618U/en active Active
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