CN214838674U - Water inlet pressure reducing valve - Google Patents
Water inlet pressure reducing valve Download PDFInfo
- Publication number
- CN214838674U CN214838674U CN202121040828.1U CN202121040828U CN214838674U CN 214838674 U CN214838674 U CN 214838674U CN 202121040828 U CN202121040828 U CN 202121040828U CN 214838674 U CN214838674 U CN 214838674U
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- China
- Prior art keywords
- water
- diaphragm
- iron core
- pressure
- sealing disc
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- Expired - Fee Related
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Abstract
The utility model relates to a relief pressure valve of intaking, including valve body, electromagnetic drive mechanism and water-tight disk, be provided with the flow channel who is used for the medium circulation on the valve body, the valve body in be provided with and seal the relative and up end of water-tight disk and seal the water-tight complex annular partition wall of water-tight disk, annular partition wall separates flow channel for the side of intaking and the side of effluenting, electromagnetic drive mechanism control water-tight disk rises and descends, water-tight disk below be provided with the mechanism of decompression, the side of effluenting when water pressure in surpassing rated water pressure, the mechanism of decompression drive water-tight disk descends, clearance between water-tight disk and the annular partition wall up end reduces. The utility model provides a water inlet pressure reducing valve with control flap opens and closes and can carry out the decompression.
Description
Technical Field
The utility model relates to a control valve, concretely relates to inlet relief pressure valve.
Background
The pressure reducing valve is a valve which reduces the inlet pressure to the outlet pressure which is consistent with the rated water pressure through regulation and automatically keeps the outlet pressure stable depending on the energy of a medium, and the control valve is used for controlling the opening and closing of a valve body.
When the control valve and the pressure reducing valve are used at the same time, the two valves need to be connected firstly, so that the additional size is increased, the structure is overstaffed, the installation process is increased, and the workload of an installer is increased.
SUMMERY OF THE UTILITY MODEL
To the deficiency that prior art exists, the utility model aims to provide a have control flap open with close and can carry out the inlet relief pressure valve of decompression.
In order to achieve the above purpose, the utility model provides a following technical scheme: including valve body, electromagnetic drive mechanism and water-sealing disk, be provided with the flow channel who is used for the medium circulation on the valve body, the valve body in be provided with water-sealing disk relatively and up end and the sealed complex annular partition wall of water-sealing disk, annular partition wall separates flow channel for the side of intaking and the side of effluenting, electromagnetic drive mechanism control water-sealing disk rises and descends, water-sealing disk below be provided with pressure reducing mechanism, when the inboard water pressure of effluenting surpassed rated water pressure, pressure reducing mechanism drive water-sealing disk descends, the clearance between water-sealing disk and the annular partition wall up end reduces.
Through adopting above-mentioned technical scheme, when the electromagnetic drive mechanism control water seal dish when ascending, water seal dish and annular partition wall phase separation, make the medium flow through from the space between the two, and then enter into the side of effluenting from the influent side, when the lateral pressure of effluenting is too big, the mechanism drive water seal dish of decompression descends, make the space decompression between water seal dish and the annular partition wall, and then make the lateral pressure of effluenting reduce, descend at the water seal dish through setting up the mechanism of decompression, make the control valve have the effect of decompression, need not connect a relief pressure valve outside the control valve again, the shared area of valve body has effectively been reduced, can easy to assemble, the use of part has also been reduced simultaneously, the cost is reduced.
The utility model discloses further set up to: the pressure reducing mechanism comprises a moving rod and a pressed diaphragm, a diaphragm cavity is formed in the side wall of the outflow side, the pressed diaphragm is located at the communication position of the diaphragm cavity and the outflow side, the upper end of the moving rod is linked and arranged on a water sealing disc, the lower end of the moving rod moves synchronously with the pressed diaphragm, a reset spring used for resetting the pressed diaphragm outwards is arranged in the diaphragm cavity, when the water pressure in the outflow side exceeds the rated water pressure, the pressed diaphragm deforms in the diaphragm cavity, and the moving rod drives the water sealing disc to descend.
Through adopting above-mentioned technical scheme, when the medium from sealing the water tray and the annular partition wall between the time of flowing, the medium can have pressure to the pressurized diaphragm, when pressure is too big, reset spring is compressed, the pressurized diaphragm is to diaphragm intracavity deformation, make the carriage release lever to the direction removal that the diaphragm chamber is located, because the other end of carriage release lever links in sealing the water tray, make sealing the water tray descend, and then the clearance between sealing the water tray and the annular partition wall reduces, the volume that the medium flowed through reduces, make the pressure that draws the side of flowing reduce, reach the purpose of decompression, through the setting of decompression mechanism, accomplish the automatic decompression to the lateral pressure that flows, need not manual control, facilitate the use.
The utility model discloses further set up to: the water sealing disc is internally provided with a driving cavity, and the upper end of the movable rod extends into the driving cavity and is provided with a limiting head limited in the driving cavity.
Through adopting above-mentioned technical scheme, prevent by spacing head that the carriage release lever breaks away from the drive chamber, and then make the decompression unable realization.
The utility model discloses further set up to: the driving cavity is provided with a space for the limiting head to move up and down.
Through adopting above-mentioned technical scheme, can know by huke's law, the deformation of spring is linear, it just can have pressure to the pressurized diaphragm to flow through as the medium, then make reset spring pressurized, finally make water sealing plate to descend, the medium flows through water sealing plate just can descend promptly, the degree that water sealing plate descends is sealed along with the increase of pressure is big more, even do not reach rated pressure and also can descend, the event sets up mobilizable space at the drive chamber, reserve and do preliminary removal for the carriage release lever, when pressure is less, the removal of carriage release lever can not drive the removal of water sealing plate, only when pressure reaches rated pressure, the displacement amplitude of carriage release lever is greater than the space of reservation, the carriage release lever just can drive the decline of water sealing plate, reach the purpose of decompression.
The utility model discloses further set up to: the diaphragm cavity in be provided with the bottom plate, reset spring compresses between pressurized diaphragm and bottom plate, bottom plate and diaphragm cavity threaded connection, the bottom plate extends to outside the valve body, be provided with on the bottom plate with the rotatory drive hole of instrument cooperation drive bottom plate.
By adopting the technical scheme, when the rated pressure needs to be adjusted, the bottom plate can be driven to rotate by the driving hole, so that the position of the bottom plate in the diaphragm cavity is changed, the position of the reset spring is further changed, and the adjustment of the rated pressure can be completed.
The utility model discloses further set up to: the electromagnetic driving mechanism comprises an iron core, a coil and an iron core spring, the iron core and the water sealing disc are arranged in a linkage mode, an iron core channel for the iron core to move is arranged in the valve body, the coil is arranged around the iron core channel, and the iron core spring is located in the iron core channel and resets the iron core to the annular partition wall.
By adopting the technical scheme, when the water sealing disc is controlled to ascend, the coil is electrified, the iron core ascends along the iron core channel, and the water sealing disc floats upwards under the action of water to finish the opening of the flow channel.
Drawings
Fig. 1 is a schematic structural view of the whole body of the present invention;
fig. 2 is a top view of the whole body of the present invention;
FIG. 3 is a cross-sectional view A-A of the present invention;
FIG. 4 is a partial enlarged view B of the present invention;
fig. 5 is a partial enlarged view C of the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1-5, the utility model discloses a water inlet pressure reducing valve, which comprises a valve body 1 and a water sealing disc 11, wherein a flow channel 3 for medium circulation is arranged on the valve body 1, an annular partition wall 12 which is opposite to the water sealing disc 11 and has an upper end surface matched with the water sealing disc 11 in a sealing way is arranged in the valve body 1, the flow channel 3 is divided into an inlet side 31 and an outlet side 32 by the annular partition wall 12, an electromagnetic driving mechanism 2 controls the water sealing disc 11 to ascend and descend, a pressure reducing mechanism 4 is arranged below the water sealing disc 11, when the water pressure in the outlet side 32 exceeds the rated water pressure, the pressure reducing mechanism 4 drives the water sealing disc 11 to descend, the gap between the water sealing disc 11 and the upper end surface of the annular partition wall 12 is reduced, when the electromagnetic driving mechanism 2 controls the water sealing disc 11 to ascend, the water sealing disc 11 is separated from the annular partition wall 12, so that the medium flows through the space between the water sealing disc and the annular partition wall, and then enter into outflow side 32 from inflow side 31, when outflow side 32 pressure was too big, decompression mechanism 4 drive water seal dish 11 descends, make the space decompression between water seal dish 11 and the annular partition wall 12, and then make and draw outflow side 32 pressure and reduce, through setting up decompression mechanism 4 and descend at water seal dish 11, make the control valve have the effect of decompression, need not connect a relief pressure valve outside the control valve again, the shared area of valve body 1 has effectively been reduced, can easy to assemble, the use of part has also been reduced simultaneously, and the cost is reduced.
The pressure reducing mechanism 4 comprises a movable rod 41 and a pressed diaphragm 42, a diaphragm cavity 43 is arranged on the side wall of the outflow side 32, the pressed diaphragm 42 is positioned at the communication position of the diaphragm cavity 43 and the outflow side 32, the upper end of the movable rod 41 is linked and arranged on the water sealing disc 11, the lower end of the movable rod moves synchronously with the pressed diaphragm 42, a return spring 44 for returning the pressed diaphragm 42 outwards is arranged in the diaphragm cavity 43, when the water pressure in the outflow side 32 exceeds the rated water pressure, the pressed diaphragm 42 deforms towards the inside of the diaphragm cavity 43, the movable rod 41 drives the water sealing disc 11 to descend, when a medium flows between the water sealing disc 11 and the annular partition wall 12, the medium can have pressure on the pressed diaphragm 42, when the pressure is too high, the return spring 44 is compressed, the pressed diaphragm 42 deforms towards the inside of the diaphragm cavity 43, so that the movable rod 41 moves towards the diaphragm cavity 43, and because the other end of the movable rod 41 is linked with the water sealing disc 11, the water sealing disc 11 descends, and then the clearance between water-sealing disc 11 and the annular partition wall 12 reduces, and the volume that the medium flowed through reduces, makes the pressure that obtains flowing side 32 reduce, reaches the purpose of decompression, through the setting of decompression mechanism 4, accomplishes the automatic decompression to flowing side 32 pressure, need not manual control, facilitates the use.
The water sealing disc 11 is internally provided with a driving cavity 45, the upper end of the movable rod 41 extends into the driving cavity 45 and is provided with a limiting head 411 limited in the driving cavity 45, the limiting head 411 prevents the movable rod 41 from being separated from the driving cavity 45, and therefore decompression cannot be achieved.
The driving cavity 45 has a space for the limiting head 411 to move up and down, known by huke's law, the deformation of the spring is linear, when a medium flows through, the pressure can be applied to the pressure-applied membrane 42, then the reset spring 44 is pressed, finally the water sealing disc 11 descends, namely, the medium flows through the water sealing disc 11 and descends, the descending degree of the water sealing disc 11 is larger along with the increase of the pressure, the descending degree can also descend even if the rated pressure is not reached, so a movable space is arranged in the driving cavity 45, the movable rod 41 is reserved for preliminary movement, when the pressure is smaller, the movement of the movable rod 41 cannot drive the water sealing disc 11 to move, only when the pressure reaches the rated pressure, the movement amplitude of the movable rod 41 is larger than the reserved space, the movable rod 41 can drive the water sealing disc 11 to descend, and the purpose of pressure reduction is achieved.
The diaphragm cavity 43 is internally provided with a bottom plate 46, the return spring 44 is compressed between the pressed diaphragm 42 and the bottom plate 46, the bottom plate 46 is in threaded connection with the diaphragm cavity 43, the bottom plate 46 extends out of the valve body 1, the bottom plate 46 is provided with a driving hole matched with a tool to drive the bottom plate 46 to rotate, when the rated pressure needs to be adjusted, the bottom plate 46 can be driven to rotate through the driving hole, the position of the bottom plate 46 in the diaphragm cavity 43 is changed, the position of the return spring 44 is further changed, and the adjustment of the rated pressure can be completed.
The electromagnetic driving mechanism 2 comprises an iron core 21, a coil 22 and an iron core spring 23, wherein the iron core 21 is in linkage with the water sealing disc 11, an iron core channel 24 for the iron core 21 to move is arranged in the valve body 1, the coil 22 is arranged around the iron core channel 24, the iron core spring 23 is positioned in the iron core channel 24 and resets the iron core 21 to the annular partition wall 12, when the water sealing disc 11 needs to be controlled to ascend, the coil 22 is electrified, the iron core 21 ascends along the iron core channel 24, the water sealing disc 11 floats upwards under the action of water, and the opening of the flow channel 3 is completed.
Claims (6)
1. The utility model provides a pressure-reducing valve of intaking, includes valve body, electromagnetic drive mechanism and water-tight dish, is provided with the flow path that is used for the medium circulation on the valve body, the valve body in be provided with water-tight dish relative and up end and the sealed complex annular partition wall of water-tight dish, annular partition wall separates flow path for the side of intaking and the side of effluenting, electromagnetic drive mechanism control water-tight dish rises and descends its characterized in that: and a pressure reducing mechanism is arranged below the water sealing disc, when the water pressure in the outflow side exceeds the rated water pressure, the pressure reducing mechanism drives the water sealing disc to descend, and a gap between the water sealing disc and the upper end surface of the annular partition wall is reduced.
2. A water inlet pressure reducing valve according to claim 1, wherein: the pressure reducing mechanism comprises a moving rod and a pressed diaphragm, a diaphragm cavity is formed in the side wall of the outflow side, the pressed diaphragm is located at the communication position of the diaphragm cavity and the outflow side, the upper end of the moving rod is linked and arranged on a water sealing disc, the lower end of the moving rod moves synchronously with the pressed diaphragm, a reset spring used for resetting the pressed diaphragm outwards is arranged in the diaphragm cavity, when the water pressure in the outflow side exceeds the rated water pressure, the pressed diaphragm deforms in the diaphragm cavity, and the moving rod drives the water sealing disc to descend.
3. A water inlet pressure reducing valve according to claim 2, wherein: the water sealing disc is internally provided with a driving cavity, and the upper end of the movable rod extends into the driving cavity and is provided with a limiting head limited in the driving cavity.
4. A water inlet pressure reducing valve according to claim 3, wherein: the driving cavity is provided with a space for the limiting head to move up and down.
5. A water inlet pressure reducing valve according to claim 2, wherein: the diaphragm cavity in be provided with the bottom plate, reset spring compresses between pressurized diaphragm and bottom plate, bottom plate and diaphragm cavity threaded connection, the bottom plate extends to outside the valve body, be provided with on the bottom plate with the rotatory drive hole of instrument cooperation drive bottom plate.
6. A water inlet pressure reducing valve according to claim 1, wherein: the electromagnetic driving mechanism comprises an iron core, a coil and an iron core spring, the iron core and the water sealing disc are arranged in a linkage mode, an iron core channel for the iron core to move is arranged in the valve body, the coil is arranged around the iron core channel, and the iron core spring is located in the iron core channel and resets the iron core to the annular partition wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121040828.1U CN214838674U (en) | 2021-05-14 | 2021-05-14 | Water inlet pressure reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121040828.1U CN214838674U (en) | 2021-05-14 | 2021-05-14 | Water inlet pressure reducing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214838674U true CN214838674U (en) | 2021-11-23 |
Family
ID=78774412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121040828.1U Expired - Fee Related CN214838674U (en) | 2021-05-14 | 2021-05-14 | Water inlet pressure reducing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214838674U (en) |
-
2021
- 2021-05-14 CN CN202121040828.1U patent/CN214838674U/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: 20211123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |