CN211525550U - Soft sealing structure of valve waterway structure - Google Patents
Soft sealing structure of valve waterway structure Download PDFInfo
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- CN211525550U CN211525550U CN201921306246.6U CN201921306246U CN211525550U CN 211525550 U CN211525550 U CN 211525550U CN 201921306246 U CN201921306246 U CN 201921306246U CN 211525550 U CN211525550 U CN 211525550U
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Abstract
The utility model provides a soft sealing structure of a valve waterway structure, which comprises a valve cover, a valve body, a valve rod, a first valve clack, a second valve clack, a telescopic rod and a spring, the valve cover is fixedly connected with the valve body through bolts, a partition board is arranged in the valve body and divides the valve body into a first valve cabin, a second valve cabin and a connecting cabin, the first valve cabin and the second valve cabin are adjacent and above the connecting cabin, a first valve clack is arranged in the first valve cabin and is fixedly connected to a hand wheel through a valve rod, the hand wheel is above the valve cover, one side of the partition board close to the first valve cabin is provided with a first soft seal and a second soft seal, a water path is arranged between the first soft seal and the second soft seal, a valve storehouse bottom one side is equipped with the soft seal No. three, be equipped with the valve clack No. two in No. two valve storehouses, No. two valve clacks pass through telescopic link fixed connection to No. two valve storehouse tops, cup joint the spring on the telescopic link. The utility model discloses a water route carries out water pressure balance to the valve clack both sides, prevents to leak.
Description
Technical Field
The utility model belongs to the valve field of making especially relates to valve waterway structure's soft seal structure.
Background
With the development of industrial technology, users desire higher quality valves, and also demand increased use and maintenance levels of valves. The valve has the advantages that new requirements are provided for engineering technicians, high-quality and high-level valves need to be elaborately designed, reasonable selection and correct operation are realized, maintenance and disassembly of maintenance personnel are convenient, convenience and rapidness are realized, and various accidents and maintenance time are reduced to the minimum. Thus, a new soft seal design, as shown in FIG. 1, has emerged for the regulator valve. In the structural design, the design that the embedded soft sealing ring is fixed by the screw in the traditional structure is replaced by the metal baffle ring and the soft sealing ring, and the design that the valve seat is connected by the thread in the traditional structure is replaced by the direct pressure type structural design of the sleeve and the valve seat sealing gasket. The design eliminates damage to the soft sealing ring due to overload, and the metal baffle ring also provides certain auxiliary sealing function. However, the design has some disadvantages, and when the soft seal is impacted by water flow, the soft seal often loses the sealing effect because of excessive pressure on one side.
Disclosure of Invention
In view of this, the present invention provides a soft sealing structure of a valve waterway structure to solve the problem of the soft sealing that the sealing performance is reduced due to the impact of water.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the soft sealing structure of the valve waterway structure comprises a valve cover, a valve body, a valve rod, a first valve clack, a second valve clack, a telescopic rod and a spring,
the valve cover is provided with a screw hole and is fixedly connected with the valve body through a plurality of bolts, a partition board is arranged in the valve body and divides the valve body into a first valve cabin, a second valve cabin and a connecting cabin, the first valve cabin is adjacent to the second valve cabin and is arranged above the connecting cabin, one side of the outer part of the first valve cabin is provided with a water inlet, one side of the outer part of the second valve cabin is provided with a water outlet,
the first valve cabin is internally provided with a first valve clack which is fixedly connected to a hand wheel through a valve rod, the hand wheel is arranged above the valve cover, the valve rod passes through a screw hole and is in threaded connection with the screw hole, one side of the clapboard, which is close to the first valve cabin, is provided with a first soft seal and a second soft seal, a water path is arranged between the first soft seal and the second soft seal, one side of the bottom of the first valve cabin is provided with a third soft seal,
and a second valve clack is arranged in the second valve cabin, the second valve clack is fixedly connected to the top of the second valve cabin through a telescopic rod, and a spring is sleeved outside the telescopic rod.
Furthermore, the first opening of the waterway is between the first soft seal and the second soft seal, and the second opening of the waterway is at one side of the middle part of the heel clapboard.
Further, the first opening is in a conical structure.
Further, the distance from the second opening to the bottom of the first valve cabin is larger than the height of the first valve clack.
Furthermore, the water inlet and the water outlet are both flange interfaces.
Further, the diameter of the water inlet is larger than that of the water outlet.
Furthermore, a sealing rubber pad is arranged between the valve cover and the valve body.
Compared with the prior art, valve waterway structure's soft seal structure have following advantage:
(1) valve waterway structure's soft seal structure through setting up the water route, make the water pressure of the both sides of a valve clack reach equilibrium, avoid valve clack one side water pressure too big, lead to the phenomenon that a valve clack appears leaking.
(2) Valve waterway structure's soft seal structure, set up the spring on the telescopic link, when rivers are to No. two valve clacks, water pressure has promoted No. two valve clacks, the water delivery finishes, under the effort of spring, No. two valve clacks whereabouts form sealedly, avoid the backward flow.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic view of a soft sealing structure of a valve waterway structure according to an embodiment of the present invention;
fig. 2 is a partial enlarged view of the soft sealing structure of the valve waterway structure according to the embodiment of the present invention.
Description of reference numerals:
1-valve cover; 11-screw holes; 2-a valve body; 21-a separator; 211-soft seal number one; 212-soft seal number two; 213-soft sealing; 214-a water circuit; 22-first valve chamber; 23-second valve chamber; 24-a connecting bin; 25-a water inlet; 26-a water outlet; 3-a valve stem; 4-valve flap number one; 5-second valve clack; 6, a telescopic rod; 7-a spring; 8-hand wheel.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for 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 therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
A soft sealing structure of a valve waterway structure is shown in figures 1 and 2 and comprises a valve cover 1, a valve body 2, a valve rod 3, a first valve clack 4, a second valve clack 5, an expansion rod 6 and a spring 7,
the valve cover 1 is provided with a screw hole 11, the valve cover 1 is fixedly connected with the valve body 2 through a plurality of bolts, a partition plate 21 is arranged in the valve body 2, the valve body 2 is divided into a first valve cabin 22, a second valve cabin 23 and a connecting cabin 24 by the partition plate 21, the first valve cabin 22 is adjacent to the second valve cabin 23 and is arranged above the connecting cabin 24, one side of the outer part of the first valve cabin 22 is provided with a water inlet 25, one side of the outer part of the second valve cabin 23 is provided with a water outlet 26,
the first valve cabin 22 is internally provided with a first valve clack 4, the first valve clack 4 is fixedly connected to a hand wheel 8 through a valve rod 3, the hand wheel 8 is arranged above the valve cover 1, the valve rod 3 passes through a screw hole 11 and is in threaded connection with the screw hole 11, one side of the partition plate 21 close to the first valve cabin 22 is provided with a first soft seal 211 and a second soft seal 212, a water channel 214 is arranged between the first soft seal 211 and the second soft seal 212, one side of the bottom of the first valve cabin 22 is provided with a third soft seal 213,
a second valve clack 5 is arranged in the second valve chamber 23, the second valve clack 5 is fixedly connected to the top of the second valve chamber 23 through a telescopic rod 6, a spring 7 is sleeved outside the telescopic rod 6,
the first opening of the waterway 214 is between the first soft seal 211 and the second soft seal 212, and the second opening of the waterway 214 is at the side of the middle of the heel diaphragm 21.
The first opening is of a conical structure, so that the stress area of the first valve clack 4 is increased, and the water pressure on two sides of the first valve clack 4 is more balanced.
The distance from the second opening to the bottom of the first valve cabin 2 is larger than the height of the first valve clack 4, and the first valve clack 4 is prevented from plugging the second opening in a sealing state.
The water inlet 25 and the water outlet 26 are flange joints, and can be conveniently connected with various pipelines.
The diameter of the water inlet 25 is larger than that of the water outlet 26, and the water can rapidly flow into the valve body 2 under the action of water pressure.
And a sealing rubber pad is arranged between the valve cover 1 and the valve body 2, so that the sealing property of the valve body is enhanced.
Valve waterway structure's soft seal structure, theory of operation is connected water inlet 25 and pipeline, and is rotatory hand wheel 8 makes a valve clack 4 opens, and the medium passes through connect 24 flow directions No. two valve clacks 5, the pressure of water leads to No. two valve clacks 5 are opened, and water is followed delivery port 26 flows out, and the condition of backward flow appears in the pipeline, the pressure of backward flow medium adds the effort of the spring that No. two valve clacks 5 received, check valve clack 6 can be closed, avoids the medium backward flow, and a valve clack is closed to rotatory hand wheel 8, can end the rivers, and rivers pass through water route 214 this moment, and the both sides of a valve clack 4 all receive the pressure of water, make a valve clack 4 be in pressure balance's state, effectively avoid revealing of water.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. Soft seal structure of valve waterway structure, its characterized in that: comprises a valve cover (1), a valve body (2), a valve rod (3), a first valve flap (4), a second valve flap (5), a telescopic rod (6) and a spring (7),
the valve cover (1) is provided with a screw hole (11), the valve cover (1) is fixedly connected with the valve body (2) through a plurality of bolts, a partition plate (21) is arranged in the valve body (2), the valve body (2) is divided into a first valve cabin (22), a second valve cabin (23) and a connecting cabin (24) by the partition plate (21), the first valve cabin (22) is adjacent to the second valve cabin (23) and is arranged above the connecting cabin (24), one side of the outer part of the first valve cabin (22) is provided with a water inlet (25), one side of the outer part of the second valve cabin (23) is provided with a water outlet (26),
the valve comprises a first valve cabin (22), a first valve clack (4) is arranged in the first valve cabin (22), the first valve clack (4) is fixedly connected to a hand wheel (8) through a valve rod (3), the hand wheel (8) is arranged above a valve cover (1), the valve rod (3) penetrates through a screw hole (11) and is in threaded connection with the screw hole (11), one side, close to the first valve cabin (22), of a partition plate (21) is provided with a first soft seal (211) and a second soft seal (212), a water channel (214) is arranged between the first soft seal (211) and the second soft seal (212), one side of the bottom of the first valve cabin (22) is provided with a third soft seal (213),
be equipped with No. two valve clacks (5) in No. two valve storehouse (23), No. two valve clacks (5) are through telescopic link (6) fixed connection to No. two valve storehouse (23) top, and spring (7) are cup jointed to telescopic link (6) outside.
2. The soft sealing structure of the waterway structure of the valve according to claim 1, wherein: the first opening of the water channel (214) is arranged between the first soft seal (211) and the second soft seal (212), and the second opening of the water channel (214) is arranged on one side of the middle part of the heel clapboard (21).
3. The soft sealing structure of the waterway structure of the valve according to claim 2, wherein: the first opening is in a conical structure.
4. The soft sealing structure of the waterway structure of the valve according to claim 2, wherein: the distance from the second opening to the bottom of the first valve cabin (22) is larger than the height of the first valve clack (4).
5. The soft sealing structure of the waterway structure of the valve according to claim 1, wherein: the water inlet (25) and the water outlet (26) are both flange interfaces.
6. The soft sealing structure of the waterway structure of the valve according to claim 1, wherein: the diameter of the water inlet (25) is larger than that of the water outlet (26).
7. The soft sealing structure of the waterway structure of the valve according to claim 1, wherein: and a sealing rubber pad is arranged between the valve cover (1) and the valve body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921306246.6U CN211525550U (en) | 2019-08-13 | 2019-08-13 | Soft sealing structure of valve waterway structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921306246.6U CN211525550U (en) | 2019-08-13 | 2019-08-13 | Soft sealing structure of valve waterway structure |
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| Publication Number | Publication Date |
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| CN211525550U true CN211525550U (en) | 2020-09-18 |
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| CN201921306246.6U Active CN211525550U (en) | 2019-08-13 | 2019-08-13 | Soft sealing structure of valve waterway structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113375059A (en) * | 2021-04-27 | 2021-09-10 | 王令军 | Anti-leakage ball valve |
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2019
- 2019-08-13 CN CN201921306246.6U patent/CN211525550U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113375059A (en) * | 2021-04-27 | 2021-09-10 | 王令军 | Anti-leakage ball valve |
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