CN213655785U - Eccentric half ball valve with noise reduction function - Google Patents
Eccentric half ball valve with noise reduction function Download PDFInfo
- Publication number
- CN213655785U CN213655785U CN202021949490.7U CN202021949490U CN213655785U CN 213655785 U CN213655785 U CN 213655785U CN 202021949490 U CN202021949490 U CN 202021949490U CN 213655785 U CN213655785 U CN 213655785U
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- noise reduction
- valve
- valve core
- plates
- limiting
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Abstract
The utility model discloses an eccentric half ball valve with noise reduction function, which has the technical proposal that the eccentric half ball valve comprises a valve body, a valve core positioned in the valve body and a valve rod connected with the valve core, a plurality of noise reduction plates which are parallel to each other and a limiting piece used for limiting the noise reduction plates in the valve core are arranged in the valve core, a plurality of liquid through holes are arranged on the noise reduction plates, the liquid through holes on the adjacent noise reduction plates are staggered, the upper end and the lower end of each noise reduction plate respectively extend to the upper end and the lower end of the valve body, the limiting part is provided with a limiting groove for the noise reduction plate to pass through, the limiting part is perpendicular to the noise reduction plate and is arranged in the valve core and fixedly connected with the valve core, one side of each noise reduction plate is attached to the inner concave surface of the valve core, and the problems that the existing eccentric half ball valve generates noise due to high medium flow speed and high pressure in the valve body and the valve core is easy to deform due to long-term medium impact are solved.
Description
Technical Field
The utility model relates to an eccentric half ball valve, more specifically the eccentric half ball valve with function of making an uproar is fallen in saying so relates to one kind.
Background
When the eccentric hemisphere valve is opened or closed, the liquid has high flow speed and is easy to generate noise due to large pressure difference at two sides of the valve core; under the condition that the eccentric half-ball valve is positioned in the passage, the medium flow input into the valve body from the outside is changed, so that pressure difference is generated on two sides of the valve core, and the flow rate of liquid is changed to generate noise; when the eccentric half ball valve is in a closed state, the valve core is easy to deform under the pressure of a long-term medium to influence the sealing property between the valve core and the valve seat and the service life of the valve core, and the eccentric half ball valve which can reduce noise and has a stable valve core structure is needed to be designed for solving the problems.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a possess and fall the function of making an uproar and the durable eccentric hemisphere valve of case.
In order to achieve the above purpose, the utility model provides a following technical scheme: the eccentric half ball valve with the noise reduction function comprises a valve body, a valve core and a valve rod, wherein the valve core is located in the valve body, the valve rod is connected with the valve core, a plurality of noise reduction plates which are parallel to each other and a limiting part used for limiting the noise reduction plates in the valve core are arranged in the valve core, a plurality of liquid through holes are formed in the noise reduction plates, the liquid through holes in the noise reduction plates are adjacent to each other and staggered, the upper end and the lower end of each noise reduction plate extend to the upper end and the lower end of the valve body respectively, a limiting groove for allowing the noise reduction plates to penetrate is formed in the limiting part, the limiting part is perpendicular to the noise reduction plates, is installed in the valve core and is fixedly connected with the valve core, and one side of each noise.
As a further improvement, the edge of case is provided with mated connecting block, be provided with on the locating part and correspond the lug that sets up with mated connecting block, lug and connecting block pass through bolted connection and are in the same place.
As a further improvement, it is a plurality of the noise reduction plate is all parallel to the axis setting of the valve rod, the axis setting of locating part perpendicular to valve rod.
As a further improvement of the present invention, the locating part is located at an intermediate position of the noise reduction plate.
As the utility model discloses a further improvement, it is a plurality of the holding tank has all been seted up on the face of falling the board of making an uproar, the width of spacing groove is less than the thickness of falling the board of making an uproar and is greater than the tank bottom thickness of holding tank, makes the locating part can't fall the board of making an uproar relatively and reciprocates through the tank bottom with the spacing groove looks card with the holding tank.
As a further improvement of the utility model, the quantity of the noise reduction plate is three.
The utility model has the advantages that: the valve core is provided with the noise reduction plates, liquid through holes in the noise reduction plates between adjacent noise reduction plates are staggered, the noise reduction plates are limited on the valve core by the limiting parts, in the process of opening or closing the valve core, a medium flows through the liquid through holes in the three noise reduction plates in sequence, the flow direction of the medium is changed for many times, and the flow speed of the medium is buffered for many times, so that the noise in the valve body is reduced;
when the valve core is in a closed state, a medium impacts the valve core from one side of the outer circular surface of the valve core, the three noise reduction plates can provide supporting force for the valve core, the pressure resistance of the valve core is improved, the deformation quantity is reduced, the sealing property between the valve core and a valve seat is ensured, and the service life of the valve core is prolonged;
when the valve core is in an open state, the medium impacts the noise reduction plate, and the limiting piece is positioned in the middle of the noise reduction plate, so that the structural strength of the noise reduction plate is greatly improved, and the condition that the middle of the noise reduction plate is bent due to impact is avoided;
the locating part and the valve core are convenient to split, and the noise reduction plates or the number of the noise reduction plates are changed.
Drawings
FIG. 1 is a state diagram of the noise reduction plate and the valve core of the present invention when not assembled in place;
fig. 2 is a perspective view of the combination of the middle noise reduction plate and the limiting plate of the present invention.
Reference numerals: 1. a valve body; 2. a valve core; 3. a noise reduction plate; 4. a liquid through hole; 5. a limiting member; 6. a limiting groove; 7. connecting blocks; 8. a bump; 9. a valve stem; 10. and (6) accommodating the tank.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals.
Referring to fig. 1 to 2, an eccentric half ball valve with a noise reduction function according to the present embodiment includes a valve body 1, a valve core 2 located in the valve body 1, and a valve rod 9 connected to the valve core 2;
taking three noise reduction plates 3 provided with a plurality of liquid through holes 4, wherein the heights of the three noise reduction plates 3 are matched with the height of an inner cavity of a valve core 2, two sides of the three noise reduction plates 3 in the width direction are arc-shaped and are matched with the inner concave surface of the valve core 2, an accommodating groove 10 is formed in the surface of each noise reduction plate 3, each limiting part 5 is made of a plate body provided with three limiting grooves 6 with uniform distance, the width of each limiting groove 6 is smaller than the thickness of each noise reduction plate 3 and is larger than the thickness of the groove bottom of each accommodating groove 10, the three noise reduction plates 3 are clamped into one end of each limiting groove 6 along the length direction of each limiting groove 6, the groove bottom of each accommodating groove 10 is clamped with each limiting groove 6, so that the limiting parts 5 cannot move up and down relative to the noise reduction plates 3, the liquid through holes 4 on the adjacent noise reduction plates 3 are staggered mutually, and the limiting, until the side walls of the three noise reduction plates 3 are all attached to and abutted against the inner concave surface of the valve core 2, paired connecting blocks 7 are arranged at the edge of the valve core 2, lugs 8 which are arranged corresponding to the paired connecting blocks 7 are arranged on the limiting piece 5, through holes and threaded holes are respectively formed in the connecting blocks 7 and the lugs 8, after the limiting piece 5 moves in place, the connecting blocks 7 and the lugs 8 are arranged up and down correspondingly, a bolt penetrates through the connecting blocks 7 and the lugs 8 simultaneously to enable the limiting piece 5 to be positioned on the valve core 2, the three noise reduction plates 3 are all limited in the valve core 2, the three noise reduction plates 3 are all arranged in parallel to the axis of the valve rod 9, the limiting piece 5 is arranged perpendicular to the axis of the valve rod 9, and the;
when the valve core 2 is opened or closed, a medium flows through the liquid through holes 4 on the three noise reduction plates 3 in sequence, the flow direction of the medium is changed for many times, and the flow speed is buffered for many times, so that the noise in the valve body 1 is reduced;
when the valve core 2 is in a closed state, a medium impacts the valve core 2 from one side of the outer circular surface of the valve core 2, the three noise reduction plates 3 can provide supporting force for the valve core 2, the pressure resistance of the valve core 2 is improved, the deformation quantity is reduced, the sealing property between the valve core 2 and a valve seat is ensured, and the service life of the valve core 2 is prolonged;
when the valve core 2 is in an open state, the medium impacts the noise reduction plate 3, and the limiting piece 5 is positioned at the middle position of the noise reduction plate 3, so that the structural strength of the noise reduction plate 3 is greatly improved, and the condition that the middle part of the noise reduction plate 3 is bent due to impact is avoided;
the spacing part 5 and the valve core 2 are convenient to split, and the noise reduction plates 3 or the number of the noise reduction plates 3 are convenient to replace.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides an eccentric half ball valve with function of making an uproar falls, includes valve body (1), be located case (2) in valve body (1) and valve rod (9) of being connected with case (2), its characterized in that: the novel noise reduction valve is characterized in that a plurality of noise reduction plates (3) which are parallel to each other and a limiting part (5) used for limiting the noise reduction plates (3) in the valve core (2) are arranged in the valve core (2), a plurality of liquid through holes (4) are formed in the noise reduction plates (3), the adjacent liquid through holes (4) in the noise reduction plates (3) are staggered with each other, the upper ends and the lower ends of the noise reduction plates (3) extend to the upper end and the lower end of the valve body (1) respectively, limiting grooves (6) for the noise reduction plates (3) to penetrate are formed in the limiting part (5), the limiting part (5) is perpendicular to the noise reduction plates (3) and is installed in the valve core (2) and fixedly connected with the valve core (2), and one side of each noise reduction plate (3) is attached to the inner concave surface of the valve core (2).
2. The eccentric hemisphere valve with the noise reduction function according to claim 1, wherein: the edge of the valve core (2) is provided with paired connecting blocks (7), the limiting part (5) is provided with a lug (8) which is correspondingly arranged with the paired connecting blocks (7), and the lug (8) is connected with the connecting blocks (7) through bolts.
3. The eccentric hemisphere valve with the noise reduction function according to claim 1 or 2, wherein: the noise reduction plates (3) are all arranged in parallel to the axis of the valve rod (9), and the limiting part (5) is perpendicular to the axis of the valve rod (9).
4. The eccentric hemisphere valve with the noise reduction function according to claim 3, wherein: the limiting piece (5) is located in the middle of the noise reduction plate (3).
5. The eccentric hemisphere valve with the noise reduction function according to claim 4, wherein: a plurality of all seted up holding tank (10) on the face of falling the board of making an uproar (3), the width of spacing groove (6) is less than the thickness of falling the board of making an uproar (3) and is greater than the tank bottom thickness of holding tank (10), and the tank bottom through with holding tank (10) is blocked mutually with spacing groove (6) and is made locating part (5) can't fall board (3) of making an uproar and reciprocate relatively.
6. The eccentric hemisphere valve with the noise reduction function according to claim 1 or 2, wherein: the number of the noise reduction plates (3) is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021949490.7U CN213655785U (en) | 2020-09-08 | 2020-09-08 | Eccentric half ball valve with noise reduction function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021949490.7U CN213655785U (en) | 2020-09-08 | 2020-09-08 | Eccentric half ball valve with noise reduction function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213655785U true CN213655785U (en) | 2021-07-09 |
Family
ID=76694967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021949490.7U Expired - Fee Related CN213655785U (en) | 2020-09-08 | 2020-09-08 | Eccentric half ball valve with noise reduction function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213655785U (en) |
-
2020
- 2020-09-08 CN CN202021949490.7U patent/CN213655785U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20210709 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |