CN217874228U - Valve seat with multiple sealing structures - Google Patents
Valve seat with multiple sealing structures Download PDFInfo
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- CN217874228U CN217874228U CN202221331675.0U CN202221331675U CN217874228U CN 217874228 U CN217874228 U CN 217874228U CN 202221331675 U CN202221331675 U CN 202221331675U CN 217874228 U CN217874228 U CN 217874228U
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Abstract
The utility model discloses a valve seat with multiple sealing structures, which relates to the technical field of valve seats and comprises a shell, wherein two end parts of the shell are respectively provided with a water inlet and a water outlet, and multiple sealing components for preventing fluid from flowing are arranged in the shell; the multiple sealing component includes No. two sealing flow boards, no. one sealing flow board and activity sealing flow board, is provided with the installation axle of being connected with it rotation in the shell, and No. two sealing flow boards, no. one sealing flow board and activity sealing flow board all movable mounting on the shell inside wall, the activity sealing flow board is last to be provided with a plurality of guiding axles of fixed connection with it, the utility model discloses in be provided with multiple sealing component, whole device is when using, and its inside is provided with the multilayer closing plate, when using, can make multilayer closing plate and sealing ring carry out inseparable connection with the help of fluidic pressure, through multilayer seal structure's setting, can effectually improve the sealing performance of whole device to improve the practicality of whole device.
Description
Technical Field
The utility model relates to a disk seat technical field specifically is a disk seat with multiple seal structure.
Background
The valve seat is a detachable surface component in the valve, is used for supporting the valve core at the fully closed position and forms a sealing pair. The diameter of the valve seat is the maximum flow diameter of the valve. For example, the valve seat of the butterfly valve is made of a wide range of materials, and various rubbers, plastics and metal materials can be used as the valve seat material.
The disk seat is at the in-process that uses, and under the effect of liquid pressure, the case can sticis on the shell inside wall to guarantee that the case is to the sealed of flowing back end, traditional disk seat all adopts single-layer seal structure mostly, and whole disk seat is after long-time the use, and its sealing capacity can receive certain influence, thereby influences the whole sealing performance of this disk seat.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a disk seat with multiple seal structure aims at solving the relatively poor problem of sealed effect after traditional disk seat uses for a long time.
In order to achieve the above object, the utility model provides a following technical scheme:
a valve seat with multiple sealing structures comprises a shell, wherein two end parts of the shell are respectively provided with a water inlet and a water outlet, and multiple sealing components for preventing fluid from flowing are arranged in the shell;
the multiple sealing components comprise a second flow sealing plate, a first flow sealing plate and a movable flow sealing plate, an installation shaft rotationally connected with the shell is arranged in the shell, the second flow sealing plate, the first flow sealing plate and the movable flow sealing plate are movably installed on the inner side wall of the shell, a plurality of guide shafts fixedly connected with the movable flow sealing plate are arranged on the movable flow sealing plate, one end portions of the guide shafts are slidably connected with the first flow sealing plate, a plurality of springs are arranged between the first flow sealing plate and the movable flow sealing plate, the side walls of the first flow sealing plate and the second flow sealing plate are fixedly connected with the installation shaft, a first sealing ring, a second sealing ring and a third sealing ring fixedly connected with the inner side wall of the shell are arranged on the inner side wall of the shell, a plurality of flow guide grooves are arranged on the second flow sealing plate, and a movable sealing ring which is slidably connected with the second flow sealing plate and is used for sealing with the third sealing ring is further arranged on the second flow sealing plate.
In one alternative: the installation epaxial be provided with fixed connection's knob with it, the knob rotates to be installed on the shell inside wall.
In one alternative: the shell is provided with a sealing cover detachably connected with the shell, and a sealing ring is arranged between the knob and the shell.
In one alternative: no. two are provided with the mounting groove on the board that flows, just movable sealing ring slidable mounting is on the mounting groove inside wall.
In one alternative: and one end part of each guide shaft is provided with a limiting block fixedly connected with the guide shaft.
In one alternative: a bearing is arranged between one end of the rotary mounting shaft and the shell 1.
The utility model discloses compare in prior art's advantage do:
the utility model discloses in be provided with multiple sealing member, whole device is when using, and its inside is provided with the multilayer closing plate, when using, can make multilayer closing plate and sealing ring carry out inseparable connection with the help of fluidic pressure, through multilayer seal structure's setting, can the whole device of effectual improvement sealing performance to improve the practicality of whole device.
Drawings
Fig. 1 is a schematic view of the overall structure in an embodiment of the present invention.
Fig. 2 is an enlarged schematic structural diagram of a point a in fig. 1 according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a second flow sealing plate structure in an embodiment of the present invention.
Notations for reference numerals: the water seal device comprises a shell 1, a water inlet 2, a water outlet 3, a first sealing ring 4, a second sealing ring 5, a first flow sealing plate 6, a movable flow sealing plate 7, a spring 8, a guide shaft 9, a second flow sealing plate 10, a flow guide groove 11, a mounting shaft 12, a third sealing ring 13, a knob 14, a sealing cover 15, a movable sealing ring 16 and a mounting groove 17.
Detailed Description
Referring to fig. 1 to 3, in an embodiment of the present invention, a valve seat with multiple sealing structures includes a housing 1, two ends of the housing 1 are respectively provided with a water inlet 2 and a water outlet 3, and multiple sealing members for preventing fluid from flowing are disposed in the housing 1;
the multiple sealing components comprise a second flow sealing plate 10, a first flow sealing plate 6 and a movable flow sealing plate 7, an installation shaft 12 rotationally connected with the shell is arranged in the shell 1, the second flow sealing plate 10, the first flow sealing plate 6 and the movable flow sealing plate 7 are movably installed on the inner side wall of the shell 1, a plurality of guide shafts 9 fixedly connected with the movable flow sealing plate 7 are arranged on the movable flow sealing plate 7, one end parts of the guide shafts 9 are slidably connected with the first flow sealing plate 6, a plurality of springs 8 are arranged between the first flow sealing plate 6 and the movable flow sealing plate 7, the side walls of the first flow sealing plate 6 and the second flow sealing plate 10 are fixedly connected with the installation shaft 12, the inner side wall of the shell 1 is provided with a first sealing ring 4, a second sealing ring 5 and a third sealing ring 13 fixedly connected with the first sealing ring 5 and the third sealing ring 13, a plurality of flow guide grooves 11 are arranged on the second flow sealing plate 10, and a movable sealing ring 16 which is slidably connected with the second flow sealing plate 10 and is used for sealing with the third sealing ring 13;
when the whole device is put into use, one end parts of a water inlet pipe and a water outlet pipe are respectively and fixedly arranged at a water inlet 2 and a water outlet 3, a mounting shaft 12 is rotated to drive a second flow sealing plate 10, a first flow sealing plate 6 and a movable flow sealing plate 7 to rotate simultaneously, when part of arc-shaped side walls of the second flow sealing plate 10, the first flow sealing plate 6 and the movable flow sealing plate 7 are separated from the inner side wall of a shell 1, fluid can pass through the moment, after the mounting shaft 12 drives the second flow sealing plate 10, the first flow sealing plate 6 and the movable flow sealing plate 7 to rotate to the figure position, the second flow sealing plate 10 blocks the fluid, part of the fluid enters the second flow sealing plate 10 through a flow guide groove 11 and the internal pressure of the second flow sealing plate 10 is increased, thereby drive the movable seal ring 16 to expand outwards along the axis direction of the second flow sealing plate 10 and tightly combine with the third seal ring 13 on the inner side wall of the shell 1, thereby improving the sealing performance of the whole second flow sealing plate 10, when the fluid permeates the second flow sealing plate 10, the first flow sealing plate 6 blocks the fluid, when the fluid permeates the first flow sealing plate 6, the pressure between the first flow sealing plate 6 and the movable flow sealing plate 7 is increased, the movable flow sealing plate 7 is driven to slide towards the direction close to the water outlet 3, thereby the movable flow sealing plate 7 and the second seal ring 5 are tightly jointed to further carry out waterproof sealing, a multilayer seal structure is arranged in the whole device, compared with the traditional valve seat, the sealing effect of the utility model is better;
in one embodiment, as shown in fig. 1, a knob 14 fixedly connected to the mounting shaft 12 is provided on the mounting shaft 12, and the knob 14 is rotatably mounted on the inner side wall of the housing 1;
in the embodiment of the present invention, when the whole valve seat is closed or opened, the operation can be performed by rotating the knob 14;
in one embodiment, as shown in fig. 1 and 2, a sealing cover 15 is detachably connected to the housing 1, and a sealing ring (not shown) is arranged between the knob 14 and the housing 1;
in the embodiment of the present invention, the sealing ring and the sealing cover 15 can effectively increase the sealing performance when the knob 14 is installed;
in one embodiment, as shown in fig. 1 and 3, an installation groove 17 is formed on the second flow sealing plate 10, and the movable sealing ring 16 is slidably installed on an inner side wall of the installation groove 17;
in the embodiment of the present invention, the pressure increase in the second flow sealing plate 10 drives the movable sealing ring 16 to slide on the inner side wall of the mounting groove 17;
in one embodiment, as shown in fig. 1, a limit block (not shown) is disposed on one end of each of the plurality of guide shafts 9;
in the embodiment of the utility model, the pressure between the first flow sealing plate 6 and the movable flow sealing plate 7 is increased, the guide shafts 9 are guided to slide on the first flow sealing plate 6, and the limiting blocks at the ends of the guide shafts 9 can limit the movement of the movable flow sealing plate 7;
in one embodiment, as shown in fig. 1, a bearing (not shown) is disposed between one end of the rotary mounting shaft 12 and the housing 1;
the utility model discloses an in the embodiment, the bearing can reduce the resistance when rotating installation axle 12 and rotate, the personnel's operation of being convenient for more.
The concrete working effects of the utility model are as follows:
when the whole device is put into use, firstly, a end part of the water inlet pipe and the water outlet pipe is fixedly installed at a water inlet 2 and a water outlet 3 respectively, a rotating installation shaft 12 drives a second flow sealing plate 10, a first flow sealing plate 6 and a movable flow sealing plate 7 rotate simultaneously, when the second flow sealing plate 10 and a part of arc-shaped side wall of the first flow sealing plate 6 and the movable flow sealing plate 7 are separated from the inner side wall of a shell 1, the fluid can pass through the inner side wall of the shell 1, when the installation shaft 12 drives the second flow sealing plate 10, the first flow sealing plate 6 and the movable flow sealing plate 7 rotate to the figure position, firstly, the second flow sealing plate 10 blocks the fluid, part of the fluid enters the second flow sealing plate 10 through a diversion groove 11 and increases the internal pressure of the second flow sealing plate 10, thereby driving a movable sealing ring 16 to expand outwards along the axis direction of the second flow sealing plate 10 and to be tightly combined with a third sealing ring 13 on the inner side wall of the shell 1, thereby improving the sealing performance of the whole second flow sealing plate 10, when the fluid penetrates through the second flow sealing plate 10, the fluid blocks the fluid, thereby the fluid is more closely combined with a multilayer sealing structure which is provided with a water inlet 5 which is close to a water inlet of a water inlet seal structure.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (6)
1. A valve seat with multiple sealing structures comprises a shell (1), wherein a water inlet (2) and a water outlet (3) are respectively arranged at two end parts of the shell (1), and the valve seat is characterized in that multiple sealing components for preventing fluid from flowing are arranged in the shell (1);
the multiple sealing components comprise a second flow sealing plate (10), a first flow sealing plate (6) and a movable flow sealing plate (7), an installation shaft (12) rotationally connected with the second flow sealing plate is arranged in the shell (1), the second flow sealing plate (10), the first flow sealing plate (6) and the movable flow sealing plate (7) are movably installed on the inner side wall of the shell (1), a plurality of guide shafts (9) fixedly connected with the movable flow sealing plate (7) are arranged on the movable flow sealing plate (7), one end portions of the guide shafts (9) are all in sliding connection with the first flow sealing plate (6), a plurality of springs (8) are arranged between the first flow sealing plate (6) and the movable flow sealing plate (7), the side walls of the first flow sealing plate (6) and the second flow sealing plate (10) are all fixedly connected with the installation shaft (12), a first sealing ring (4), a second sealing ring (5) and a third sealing ring (13) fixedly connected with the inner side wall of the shell (1) are arranged, a plurality of sealing rings (11) are arranged on the second flow sealing plate (10), and a plurality of sealing rings (16) are arranged on the movable flow sealing plate (13) and are further arranged on the movable flow sealing ring (13).
2. The valve seat with multiple sealing structures of claim 1, characterized in that the mounting shaft (12) is provided with a knob (14) fixedly connected therewith, and the knob (14) is rotatably mounted on the inner side wall of the housing (1).
3. The valve seat with multiple sealing structures according to claim 2, characterized in that the housing (1) is provided with a sealing cover (15) detachably connected with the housing, and a sealing ring is arranged between the knob (14) and the housing (1).
4. The valve seat with multiple sealing structures according to claim 1, wherein a mounting groove (17) is formed on the second flow sealing plate (10), and the movable sealing ring (16) is slidably mounted on the inner side wall of the mounting groove (17).
5. The valve seat with multiple sealing structures according to claim 1, wherein a limiting block fixedly connected with one end of each of the plurality of guide shafts (9) is arranged on one end of each of the guide shafts.
6. Valve seat with multiple sealing structures according to claim 1, characterized in that a bearing is provided between one end of the rotary mounting shaft (12) and the housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221331675.0U CN217874228U (en) | 2022-05-31 | 2022-05-31 | Valve seat with multiple sealing structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221331675.0U CN217874228U (en) | 2022-05-31 | 2022-05-31 | Valve seat with multiple sealing structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217874228U true CN217874228U (en) | 2022-11-22 |
Family
ID=84093815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221331675.0U Active CN217874228U (en) | 2022-05-31 | 2022-05-31 | Valve seat with multiple sealing structures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217874228U (en) |
-
2022
- 2022-05-31 CN CN202221331675.0U patent/CN217874228U/en active Active
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