CN212106930U - Low-noise regulating valve - Google Patents
Low-noise regulating valve Download PDFInfo
- Publication number
- CN212106930U CN212106930U CN202020354710.5U CN202020354710U CN212106930U CN 212106930 U CN212106930 U CN 212106930U CN 202020354710 U CN202020354710 U CN 202020354710U CN 212106930 U CN212106930 U CN 212106930U
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- valve
- noise reduction
- core
- fixedly arranged
- hole
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Abstract
The utility model relates to the technical field of valves, in particular to a low-noise regulating valve, wherein a port communicated with a medium inlet and a medium outlet is arranged in a valve body, a valve seat is fixedly arranged in the port, a valve core is fixedly arranged at the lower end of a valve rod, the valve core comprises an outer core and an inner core, a water passing hole is arranged on the outer peripheral surface of the outer core, a first noise reduction plate is fixedly arranged in the valve seat, and a second noise reduction plate is fixedly arranged; on the premise of ensuring the circulation capacity of the regulating valve, the noise reduction holes of the first noise reduction plate and the second noise reduction plate effectively disperse fluid, reduce the noise and vibration of the valve when the valve is opened, improve the reliability of the valve and prolong the service life of the valve; the valve is adjusted in the mode that the inner core is rotated to adjust the contact ratio of the water passing hole and the water passing opening, or the valve rod is moved upwards to drive the whole valve core to be separated from the valve seat to continue increasing the flow, and the flow adjusting range is wide.
Description
Technical Field
The utility model relates to the technical field of valves, concretely relates to low noise governing valve.
Background
With the rapid development of information technology and the continuous improvement of industrial intelligence, the valve is used as a terminal execution mechanism for controlling the movement of fluid in a pipeline, the limitation of self functions is gradually changed, and the valve is rich in a more brand new concept, while domestic valve enterprises are developing along a new direction of new requirements on energy conservation, environmental protection, intelligence, small volume, light weight, long service life and the like.
In recent years, the domestic valve industry is rapidly developed, and the product structure types of various valve manufacturers are infinite. However, in the use process of the regulating valve in the prior art, the fluid pressure difference and the flow velocity are too large, so that the valve generates great vibration and noise, the service life of the valve is seriously influenced, and the use reliability is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a low noise governing valve is provided to the big problem of noise in the valve use among the solution prior art.
In order to solve the technical problem, the technical scheme of the utility model is that: a low-noise regulating valve comprises a valve body, wherein a medium inlet and a medium outlet are respectively formed in the left end and the right end of the valve body, the medium inlet is positioned below the medium outlet, a through hole for communicating the medium inlet with the medium outlet is formed in the valve body, and an annular valve seat is fixedly installed in the through hole; an opening communicated with the medium outlet is formed in the upper end of the valve body, a valve cover is fixedly installed on the opening, a valve rod is movably installed on the valve cover up and down, and a valve core matched with the valve seat is fixedly installed at the lower end of the valve rod; the valve core comprises an outer core and an inner core, the lower end of the valve rod is fixedly arranged on the outer core, and the diameter of the outer core is matched with the inner diameter of the valve seat; the lower end of the outer core is provided with a coaxial circular groove, and the inner core is rotatably arranged in the circular groove; the lower end of the inner core is provided with a vertical hole, the peripheral surface of the inner core is provided with a water passing hole communicated with the vertical hole, the peripheral surface of the outer core is provided with a water passing hole communicated with the circular groove, and the water passing hole is positioned on the rotating track of the water passing hole; a first noise reduction plate is fixedly arranged in the valve seat, a second noise reduction plate is fixedly arranged in the water passing hole, and a plurality of noise reduction holes penetrating through the first noise reduction plate or the second noise reduction plate are formed in the first noise reduction plate and the second noise reduction plate; and the valve rod is provided with a linkage mechanism for driving the inner core to rotate.
As a further improvement, an installation groove is arranged in the opening, a cover plate is arranged in the installation groove, and an avoidance hole for the valve rod to pass through is arranged on the cover plate; the valve cover is fixedly arranged above the opening through bolts, and the cover plate is limited in the mounting groove by the valve cover; the lower side of the cover plate is fixedly provided with a vertical sleeve, the outer core is movably arranged in the sleeve from top to bottom, a guide block is fixedly arranged on the outer core, and a guide groove which is matched with the guide block and extends vertically is arranged in the sleeve.
According to the preferable technical scheme, a control box is fixedly mounted at the upper end of the valve rod, a connecting rod is fixedly mounted on the control box, and an actuator for driving the connecting rod to move up and down is arranged at the upper end of the connecting rod.
As a preferred technical scheme, the linkage mechanism comprises an adjusting column which is fixedly installed at the upper end of the inner core and extends upwards, a through hole which is communicated with the circular groove and the control box is formed in the valve rod, and the adjusting column is rotatably installed in the through hole; the adjustable gear box is characterized in that an adjusting motor is fixedly arranged in the control box, a main gear is coaxially and fixedly arranged on a rotating shaft of the adjusting motor, and a driven gear meshed with the main gear is coaxially and fixedly arranged on the adjusting column.
As a preferable technical solution, an annular protruding portion is provided in the valve seat, the annular protruding portion being supported below the valve element, and the first noise reduction plate is located below the protruding portion.
As a preferable technical scheme, an annular limiting plate supported at the lower end of the inner core is fixedly installed in the circular groove.
Due to the adoption of the technical scheme, the low-noise regulating valve is characterized in that a through hole which is communicated with the medium inlet and the medium outlet is arranged in the valve body, a valve seat is fixedly arranged in the through hole, a valve core is fixedly arranged at the lower end of the valve rod, the valve core comprises an outer core and an inner core, a water through hole is formed in the outer peripheral surface of the outer core, a first noise reduction plate is fixedly arranged in the valve seat, a second noise reduction plate is fixedly arranged in the water through hole, and a plurality of noise reduction holes penetrating through the first noise reduction plate or the second noise reduction plate are formed in the first noise reduction plate and the second noise reduction; when the utility model is used, the noise reduction holes of the first noise reduction plate and the second noise reduction plate effectively disperse fluid on the premise of ensuring the circulation capacity of the regulating valve, reduce the noise and vibration of the valve when the valve is opened, and improve the reliability and the service life of the valve; the utility model discloses thereby accessible rotates the inner core and adjusts the water hole and cross the overlap ratio adjusting valve's at the mouth of a river flow, or drives whole case through the rebound valve pole and break away from the disk seat and continue to increase the flow, has the wide advantage of flow control scope.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a valve cartridge according to an embodiment of the present invention;
fig. 3 is a sectional view a-a of the valve cartridge of fig. 2.
In the figure: 1-a valve body; 2-a media inlet; 3-a medium outlet; 4-through opening; 5-valve seat; 6-opening; 7-valve cover; 8-valve stem; 9-a valve core; 10-an outer core; 11-an inner core; 12-a circular groove; 13-vertical holes; 14-water through holes; 15-water passing port; 16-a first noise reduction plate; 17-two noise reduction plates; 18-a mounting groove; 19-a cover plate; 20-a cannula; 21-a guide block; 22-a guide groove; 23-a control box; 24-a connecting rod; 25-an actuator; 26-a conditioning column; 27-a through hole; 28-regulating the motor; 29-main gear; 30-a slave gear; 31-a projection; 32-limiting plate.
Detailed Description
As shown in fig. 1 to 3, a low-noise regulating valve includes a valve body 1, a medium inlet 2 and a medium outlet 3 are respectively disposed at left and right ends of the valve body 1, the medium inlet 2 is located below the medium outlet 3, a through hole 4 communicating the medium inlet 2 and the medium outlet 3 is disposed in the valve body 1, and an annular valve seat 5 is fixedly mounted in the through hole 4; an opening 6 communicated with the medium outlet 3 is formed in the upper end of the valve body 1, a valve cover 7 is fixedly installed on the opening 6, a valve rod 8 is movably installed on the valve cover 7 from top to bottom, and a valve core 9 matched with the valve seat 5 is fixedly installed at the lower end of the valve rod 8; the valve core 9 comprises an outer core 10 and an inner core 11, the lower end of the valve rod 8 is fixedly arranged on the outer core 10, and the diameter of the outer core 10 is matched with the inner diameter of the valve seat 5; the lower end of the outer core 10 is provided with a coaxial circular groove 12, and the inner core 11 is rotatably arranged in the circular groove 12; the lower end of the inner core 11 is provided with a vertical hole 13, the peripheral surface of the inner core 11 is provided with a water through hole 14 communicated with the vertical hole 13, the peripheral surface of the outer core 10 is provided with a water through hole 15 communicated with the circular groove 12, and the water through hole 15 is positioned on the rotating track of the water through hole 14; a first noise reduction plate 16 is fixedly installed in the valve seat 1, a second noise reduction plate 17 is fixedly installed in the water passing port 15, and a plurality of noise reduction holes penetrating through the first noise reduction plate 16 or the second noise reduction plate 17 are formed in the first noise reduction plate 16 and the second noise reduction plate 17; and the valve rod 8 is provided with a linkage mechanism for driving the inner core 11 to rotate.
In the initial state, the water through hole 14 and the water through hole 15 are not overlapped, the lower end of the outer core 10 is inserted into the valve seat 5 to block the medium inlet 2 and the medium outlet 3, and the valve is in the closed state at the moment. The valve is opened by rotating and adjusting the inner core 10 to enable the water through hole 14 and the water through hole 15 to be superposed, and at the moment, a medium enters the vertical hole 13 from the medium inlet 2 through the first noise reduction plate 16, then sequentially flows through the water through hole 14 and the water through hole 15 and enters the medium outlet 3 through the second noise reduction plate 17; when the medium flows through the first noise reduction plate 16 and the second noise reduction plate 17, the noise reduction holes of the first noise reduction plate 16 and the second noise reduction plate 17 effectively disperse fluid on the premise of ensuring the circulation capacity of the regulating valve, reduce the noise and vibration of the valve when the valve is opened, and improve the reliability and the service life of the valve. The overlap ratio of the water passing hole 14 and the water passing hole 15 can be adjusted by rotating the inner core 10, so that the flow of the valve is adjusted, namely the higher the overlap ratio of the water passing hole 14 and the water passing hole 15 is, the larger the flow of the valve is, otherwise, the smaller the flow is; if the flow is to be increased continuously, the whole valve core 9 is driven to be separated from the valve seat 5 by moving the valve rod 8 upwards, at the moment, the medium directly enters the medium outlet 3 from the medium inlet 2 through the first noise reduction plate 16, and the first noise reduction plate 16 plays a role in noise reduction.
An installation groove 18 is formed in the opening 6, a cover plate 19 is arranged in the installation groove 18, and an avoidance hole for the valve rod 8 to pass through is formed in the cover plate 19; the valve cover 7 is fixedly installed above the opening 6 through bolts, and the cover plate 19 is limited in the installation groove 18 by the valve cover 7; the lower side of the cover plate 19 is fixedly provided with a vertical sleeve 20, the outer core 10 is movably arranged in the sleeve 20 up and down, the outer core 10 is fixedly provided with a guide block 21, and a guide groove 22 which is matched with the guide block 21 and extends vertically is arranged in the sleeve 20. The arrangement of the sleeve 20 ensures the stability of the valve core 9 in the up-and-down movement process, and the arrangement of the guide block 21 and the guide groove 22 limits the outer core 10 to move up and down only along the sleeve 20, so that the outer core 10 is prevented from rotating along with the inner core 11 when the inner core 11 is rotated.
The upper end of the valve rod 8 is fixedly provided with a control box 23, the control box 23 is fixedly provided with a connecting rod 24, and the upper end of the connecting rod 24 is provided with an actuator 25 for driving the connecting rod 24 to move up and down. The actuator 25 drives the connecting rod 24 to move up and down, and the connecting rod 24 drives the control box 23 and the valve rod 8 to move up and down, so that the valve rod 8 drives the valve core 9 to be separated from or inserted into the valve seat 5.
The linkage mechanism comprises an adjusting column 26 which is fixedly arranged at the upper end of the inner core 11 and extends upwards, a through hole 27 for communicating the circular groove 12 with the control box 23 is arranged in the valve rod 8, and the adjusting column 26 is rotatably arranged in the through hole 27; an adjusting motor 28 is fixedly installed in the control box 23, a main gear 29 is coaxially and fixedly installed on a rotating shaft of the adjusting motor 28, and a driven gear 30 meshed with the main gear 29 is coaxially and fixedly installed on the adjusting column 26. The adjusting motor 28 can drive the main gear 29 to rotate, the main gear 29 drives the auxiliary gear 30 to rotate, and the auxiliary gear 30 drives the inner core 11 to rotate through the adjusting column 26.
An annular protruding portion 31 is arranged in the valve seat 5 and is used for being supported below the valve core 9, and the first noise reduction plate 16 is located below the protruding portion 31. The projection 31 is used to prevent the spool 9 from being inserted over position.
An annular limiting plate 32 supported at the lower end of the inner core 11 is fixedly installed in the circular groove 12 and used for preventing the inner core 11 from being separated from the circular groove 12.
The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A low noise governing valve which characterized in that: the valve comprises a valve body, wherein a medium inlet and a medium outlet are respectively arranged at the left end and the right end of the valve body, the medium inlet is positioned below the medium outlet, a through hole for communicating the medium inlet with the medium outlet is arranged in the valve body, and an annular valve seat is fixedly arranged in the through hole; an opening communicated with the medium outlet is formed in the upper end of the valve body, a valve cover is fixedly installed on the opening, a valve rod is movably installed on the valve cover up and down, and a valve core matched with the valve seat is fixedly installed at the lower end of the valve rod; the valve core comprises an outer core and an inner core, the lower end of the valve rod is fixedly arranged on the outer core, and the diameter of the outer core is matched with the inner diameter of the valve seat; the lower end of the outer core is provided with a coaxial circular groove, and the inner core is rotatably arranged in the circular groove; the lower end of the inner core is provided with a vertical hole, the peripheral surface of the inner core is provided with a water passing hole communicated with the vertical hole, the peripheral surface of the outer core is provided with a water passing hole communicated with the circular groove, and the water passing hole is positioned on the rotating track of the water passing hole; a first noise reduction plate is fixedly arranged in the valve seat, a second noise reduction plate is fixedly arranged in the water passing hole, and a plurality of noise reduction holes penetrating through the first noise reduction plate or the second noise reduction plate are formed in the first noise reduction plate and the second noise reduction plate; and the valve rod is provided with a linkage mechanism for driving the inner core to rotate.
2. A low noise regulator valve as defined in claim 1, wherein: an installation groove is formed in the opening, a cover plate is arranged in the installation groove, and an avoidance hole for the valve rod to penetrate through is formed in the cover plate; the valve cover is fixedly arranged above the opening through bolts, and the cover plate is limited in the mounting groove by the valve cover; the lower side of the cover plate is fixedly provided with a vertical sleeve, the outer core is movably arranged in the sleeve from top to bottom, a guide block is fixedly arranged on the outer core, and a guide groove which is matched with the guide block and extends vertically is arranged in the sleeve.
3. A low noise regulator valve as defined in claim 2, wherein: the upper end fixed mounting of valve rod has the control box, fixed mounting has the connecting rod on the control box, the upper end of connecting rod is equipped with the drive the executor that the connecting rod reciprocated.
4. A low noise regulator valve as defined in claim 3, wherein: the linkage mechanism comprises an adjusting column which is fixedly arranged at the upper end of the inner core and extends upwards, a through hole which is communicated with the circular groove and the control box is arranged in the valve rod, and the adjusting column is rotatably arranged in the through hole; the adjustable gear box is characterized in that an adjusting motor is fixedly arranged in the control box, a main gear is coaxially and fixedly arranged on a rotating shaft of the adjusting motor, and a driven gear meshed with the main gear is coaxially and fixedly arranged on the adjusting column.
5. A low noise regulator valve as defined in claim 4, wherein: an annular protruding portion used for being supported below the valve core is arranged in the valve seat, and the first noise reduction plate is located below the protruding portion.
6. A low noise regulator valve as defined in claim 5, wherein: and an annular limiting plate supported at the lower end of the inner core is fixedly arranged in the circular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020354710.5U CN212106930U (en) | 2020-03-19 | 2020-03-19 | Low-noise regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020354710.5U CN212106930U (en) | 2020-03-19 | 2020-03-19 | Low-noise regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212106930U true CN212106930U (en) | 2020-12-08 |
Family
ID=73638555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020354710.5U Expired - Fee Related CN212106930U (en) | 2020-03-19 | 2020-03-19 | Low-noise regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212106930U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113639095A (en) * | 2021-10-14 | 2021-11-12 | 徐州普拓机械科技有限公司 | Valve capable of preventing water hammer effect in advance |
-
2020
- 2020-03-19 CN CN202020354710.5U patent/CN212106930U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113639095A (en) * | 2021-10-14 | 2021-11-12 | 徐州普拓机械科技有限公司 | Valve capable of preventing water hammer effect in advance |
| CN113639095B (en) * | 2021-10-14 | 2022-01-21 | 徐州普拓机械科技有限公司 | Valve capable of preventing water hammer effect in advance |
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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: 20201208 Termination date: 20210319 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |