CN210423754U - Valve sealing structure - Google Patents
Valve sealing structure Download PDFInfo
- Publication number
- CN210423754U CN210423754U CN201920689880.6U CN201920689880U CN210423754U CN 210423754 U CN210423754 U CN 210423754U CN 201920689880 U CN201920689880 U CN 201920689880U CN 210423754 U CN210423754 U CN 210423754U
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- CN
- China
- Prior art keywords
- ring groove
- sealing
- valve
- mounting ring
- flow channel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a valve sealing structure, which comprises a valve seat and a valve body, wherein the middle part of the valve seat is provided with a medium inflow channel, the top part of the valve seat is provided with a first mounting ring groove and a second mounting ring groove, the first mounting ring groove is arranged at the inner side of the second mounting ring groove, and a first sealing ring and a second sealing ring are respectively arranged in the first mounting ring groove and the second mounting ring groove; the section of the first sealing ring is arched, a pressurizing flow channel communicated with the medium inflow channel is arranged at the bottom of the first mounting ring groove, and the pressurizing flow channel comprises an L-shaped flow channel and an inclined flow channel. The utility model discloses a double-deck sealed structure, great improvement sealed reliability, wherein be provided with arched first sealing washer, when the valve is in the closed condition, the medium fills into the bottom to first sealing washer through the pressure boost runner, has the effect of an ascending roof pressure to first sealing washer, has increased the leakproofness between first sealing washer and the valve body.
Description
Technical Field
The utility model relates to a valve structure technical field especially relates to a valve seal structure.
Background
Valves are very common fittings in daily life and various devices, and control the passing and blocking of media, and the existing valves are various, such as: the valve is required to be opened and closed frequently, so that if the valve has a problem and causes fluid leakage, the whole pipeline is probably required to be free of fluid or medium during maintenance, so that the valve is very troublesome, the reliability of the sealing connection part of the valve is very important in the closed state of the valve, the existing valve sealing structure is shown in figures 1-2 and comprises a valve seat 1 and a valve body 2, an annular mounting groove is arranged on the valve seat 1, a sealing ring 3 is arranged in the annular mounting groove, as shown in figure 1, when the valve is in the open state, the medium flows upwards from a channel 4 in the central position of the valve seat 1 and flows out from a gap 5 between the valve seat 1 and the valve body 2, as shown in figure 2, when the valve is in the closed state, the valve body 2 moves downwards and abuts against the top of the valve seat 1 under the action of a screwing handle, only rely on sealing washer 3 to guarantee sealed effect at this moment, in the in-process of using, sealing washer 3 is because ageing, expend with heat and contract with cold etc. reasons appear sealed not enough problem very easily, influence the reliability that the valve used.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to avoid prior art's weak point, provide a valve seal structure to effectively solve the weak point that exists among the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a valve sealing structure comprises a valve seat and a valve body, wherein a medium inflow channel is arranged in the middle of the valve seat, a first mounting ring groove and a second mounting ring groove are arranged at the top of the valve seat, the first mounting ring groove is arranged on the inner side of the second mounting ring groove, and a first sealing ring and a second sealing ring are respectively arranged in the first mounting ring groove and the second mounting ring groove;
the section of the first sealing ring is arched, a pressurizing flow channel communicated with the medium inflow channel is arranged at the bottom of the first mounting ring groove, the pressurizing flow channel comprises an L-shaped flow channel and an inclined flow channel, and an included angle formed between the inclined flow channel and the flowing direction of the medium in the medium inflow channel is 110-130 degrees.
Further, the inside and outside of first sealing washer all is provided with first card protruding, cooperate in the first mounting ring groove first card protruding is provided with first draw-in groove.
Further, the inside and outside of second sealing washer all is provided with the second card protruding, cooperate in the second mounting ring groove the second card is protruding to be provided with the second draw-in groove.
Furthermore, the top of the second sealing ring is provided with at least two sealing ring bulges from inside to outside.
Furthermore, a metal support ring is arranged inside the second seal ring, and the section of the metal support ring is arched.
Further, a ring groove is formed in the middle of the bottom of the second sealing ring.
Further, the ring groove is arranged along with the metal support ring.
The above technical scheme of the utility model following beneficial effect has: the utility model discloses a double-deck sealed structure, great improvement sealed reliability, wherein be provided with first arched sealing washer, when the valve is in the closed condition, the medium passes through the pressure boost runner and fills the bottom to first sealing washer, there is the effect of an ascending roof pressure to first sealing washer, the leakproofness between first sealing washer and the valve body has been increased, first sealing washer adopts domes simultaneously, the area of contact of its bottom and medium has been increased, the pressure that first sealing washer received the medium has been increased, the sealed effect of first sealing washer has further been promoted, furthermore, through the form that sets up of unique pressure boost runner, when the valve is opened the state, the impactness of weakening medium that can be great to first sealing washer, first sealing washer is washed away when the valve is opened the state, guarantee the stability of its use.
Drawings
FIG. 1 is a diagram of a prior art valve opening configuration;
FIG. 2 is a view showing the closed state of the valve of the present invention;
FIG. 3 is a schematic structural diagram of an embodiment of the present invention;
fig. 4 is a partially enlarged view of a portion a in fig. 3.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 3-4, the valve sealing structure according to this embodiment includes a valve seat 1 and a valve body 2, a medium inflow channel 3 is disposed in the middle of the valve seat 1, the top of the medium inflow channel 3 is communicated with the top surface of the valve seat 1, the other side of the medium inflow channel 3 is communicated with an inlet of the valve, when the valve is in an open state, a gap between the valve seat 1 and the valve body 2 is communicated with an outlet of the valve, the top of the valve seat 1 is provided with a first installation ring groove 1a and a second installation ring groove 1b, wherein the first installation ring groove 1a is disposed inside the second installation ring groove 1b, the first installation ring groove 1a and the second installation ring groove 1b are respectively provided with a first sealing ring 4 and a second sealing ring 5, and the sealing reliability is greatly improved through the double sealing action of the first sealing ring 4 and the second sealing ring 5.
The section of the first sealing ring 4 is arched, a pressurizing flow channel communicated with the medium inflow channel 3 is arranged at the bottom of the first mounting ring groove 1a, the pressurizing flow channel comprises an L-shaped flow channel 1c and an inclined flow channel 1d, an included angle between the inclined flow channel 1d and the flowing direction of a medium in the medium inflow channel 3 is 110-130 degrees, through the structure, when the valve is in a closed state, the medium is filled to the bottom of the first sealing ring 4 through the pressurizing flow channel, the first sealing ring 4 is pressed upwards, the sealing performance between the first sealing ring 4 and the valve body 2 is improved, meanwhile, the first sealing ring 4 adopts an arched structure, the contact area between the bottom of the first sealing ring 4 and the medium is increased, the pressure of the medium on the first sealing ring 4 is increased, the sealing effect of the first sealing ring 4 is further improved, in addition, through the unique arrangement form of the pressurizing flow channel, when the valve is in an open state, the impact of the medium on the first sealing ring 4 can be greatly weakened, and the first sealing ring 4 is washed away when the valve is in the open state, so that the use stability of the first sealing ring is ensured.
The inside and outside of first sealing washer 4 all is provided with first protruding 4a of card, cooperates first protruding 4a of card to be provided with first draw-in groove in the first installation annular 1a, and the inside and outside of second sealing washer 5 all is provided with the protruding 5a of second card, cooperates protruding 5a of second card to be provided with the second draw-in groove in the second installation annular 1b, through the protruding 4a of first card and the protruding 5a of second card, has made things convenient for the installation of first sealing washer 4 and second sealing washer 5, avoids droing.
The top of the second sealing ring 5 is provided with at least two sealing ring bulges 5b from inside to outside.
The metal support ring 6 is arranged inside the second seal ring 5, the section of the metal support ring 6 is arched, the second seal ring 5 is integrally extruded in the process of closing the valve, and the metal support ring 6 plays a role in reacting force in the extruding process, so that the second seal ring 5 is tightly matched with the valve body 2, and the sealing performance is enhanced.
The middle of the bottom of the second sealing ring 5 is provided with a ring groove 5c, and the ring groove 5c is arranged along with the metal support ring 6.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (7)
1. The utility model provides a valve seal structure, includes disk seat and valve body, and the middle part of disk seat is provided with medium inflow channel, its characterized in that: a first mounting ring groove and a second mounting ring groove are formed in the top of the valve seat, the first mounting ring groove is formed in the inner side of the second mounting ring groove, and a first sealing ring and a second sealing ring are respectively arranged in the first mounting ring groove and the second mounting ring groove;
the section of the first sealing ring is arched, a pressurizing flow channel communicated with the medium inflow channel is arranged at the bottom of the first mounting ring groove, the pressurizing flow channel comprises an L-shaped flow channel and an inclined flow channel, and an included angle formed between the inclined flow channel and the flowing direction of the medium in the medium inflow channel is 110-130 degrees.
2. A valve seal structure according to claim 1, wherein: the inside and outside side of first sealing washer all is provided with first card protruding, cooperate in the first installation annular first card protruding is provided with first draw-in groove.
3. A valve seal structure according to claim 1, wherein: the inside and outside of second sealing washer all is provided with the second card protruding, cooperate in the second installation annular the second card is protruding to be provided with the second draw-in groove.
4. A valve seal structure according to claim 1, wherein: the top of the second sealing ring is provided with at least two sealing ring bulges from inside to outside.
5. A valve seal structure according to claim 1, wherein: and a metal support ring is arranged in the second seal ring, and the section of the metal support ring is arched.
6. A valve seal structure according to claim 5, wherein: and a ring groove is formed in the middle of the bottom of the second sealing ring.
7. A valve seal structure according to claim 6, wherein: the ring groove is arranged along with the metal support ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920689880.6U CN210423754U (en) | 2019-05-15 | 2019-05-15 | Valve sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920689880.6U CN210423754U (en) | 2019-05-15 | 2019-05-15 | Valve sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210423754U true CN210423754U (en) | 2020-04-28 |
Family
ID=70371477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920689880.6U Expired - Fee Related CN210423754U (en) | 2019-05-15 | 2019-05-15 | Valve sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210423754U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320993A (en) * | 2022-01-06 | 2022-04-12 | 杭州鹤见南方泵业有限公司 | Mechanical seal protection structure of water pump |
| CN116045194A (en) * | 2023-03-03 | 2023-05-02 | 中电智慧综合能源有限公司 | Hydrogen storage tank sealing structure |
-
2019
- 2019-05-15 CN CN201920689880.6U patent/CN210423754U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320993A (en) * | 2022-01-06 | 2022-04-12 | 杭州鹤见南方泵业有限公司 | Mechanical seal protection structure of water pump |
| CN116045194A (en) * | 2023-03-03 | 2023-05-02 | 中电智慧综合能源有限公司 | Hydrogen storage tank sealing structure |
| CN116045194B (en) * | 2023-03-03 | 2023-11-17 | 中电智慧综合能源有限公司 | Hydrogen storage tank sealing structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200428 Termination date: 20210515 |