CN217153001U - Proportional valve with parallel channels - Google Patents
Proportional valve with parallel channels Download PDFInfo
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- CN217153001U CN217153001U CN202220677568.7U CN202220677568U CN217153001U CN 217153001 U CN217153001 U CN 217153001U CN 202220677568 U CN202220677568 U CN 202220677568U CN 217153001 U CN217153001 U CN 217153001U
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Abstract
The utility model discloses a proportional valve with parallel channel belongs to intelligent valve body field, including front end passageway, rear end passageway and a plurality of parallel channel, install the parallel control valve that is used for controlling parallel channel and opens and shuts in the parallel channel, the one end of a plurality of parallel channel all communicates with front end passageway, the other end all communicates with rear end passageway, because there are a plurality of parallel control valves in this scheme, and the parallel control valve coil of different parallel control valves can be connected with the signal circuit of different sensors respectively, thereby make different environmental condition can control different sensors, and then control the fluid flow in the different parallel channel respectively, it is difficult to control the fluid flow simultaneously through multiple condition to have solved prior art proportional valve, lead to the not high enough problem of intelligent degree.
Description
Technical Field
The utility model belongs to the technical field of intelligent valve body and specifically relates to a proportional valve with parallelly connected passageway is related to.
Background
The proportional valve is a novel hydraulic control device. On the common pressure valve, flow valve and direction valve, the proportional electromagnet replaces the original control part, and the pressure, flow or direction of the fluid is continuously and proportionally controlled according to the input electric signal; in the case of an intelligent gas warmer, for example, the supply flow rate of gas is determined by a plurality of factors such as a set temperature value, an ambient temperature value, a site ventilation condition, and a site size, whereas it is difficult to control the flow rate of fluid simultaneously under a plurality of conditions in the proportional valve of the prior art.
For example, the publication number CN211574265U of "proportional valve assembly and gas proportional valve" disclosed in the chinese patent document includes a proportional valve body, a valve port insert and a valve core, wherein a gas passing cavity is arranged in the proportional valve body, and a gas inlet connected to the gas passing cavity is arranged on the surface of the proportional valve body; the valve port insert is independent of the proportional valve body, the valve port insert is arranged in the proportional valve body to form an air outlet valve port, and the air outlet valve port is connected with the air cavity; the valve core is arranged on the proportional valve body, and a one-way diaphragm used for controlling the opening degree of the air outlet valve port is arranged on the valve core. Because the valve port insert is independent of the proportional valve body, the size of the air outlet valve port can be conveniently adjusted by replacing the valve port insert, and different performance requirements are realized; the valve port insert is independent of the proportional valve body, so that the valve port insert only needs to be separately clamped and machined when the size of the air outlet valve port is machined, machining is convenient, and cost is reduced; the patent has the disadvantages that the size of the air outlet valve port can only realize the control of a single condition, and the control of fluid flow can not be realized simultaneously through various conditions.
SUMMERY OF THE UTILITY MODEL
The utility model relates to an overcome the proportional valve among the prior art and be difficult to control simultaneously through multiple condition fluid flow, lead to the not high enough problem of intelligent degree, provide a proportional valve with parallel channel, can realize multiple condition common control fluid flow through parallel channel.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model discloses, a proportional valve that has parallel channel, including front end passageway, rear end passageway and a plurality of parallel channel, install the parallel control valve that is used for controlling parallel channel and opens and shuts in the parallel channel, the one end of a plurality of parallel channel all communicates with front end passageway, and the other end all communicates with rear end passageway, parallel channel is including parallel channel gas outlet and parallel channel air inlet, parallel control valve includes parallel control disk seat, parallel control valve rod to and install the parallel control case in parallel control valve rod one end, install the parallel control valve coil in the parallel control disk seat, the parallel control case is installed on the axis of parallel control valve coil, install the parallel control valve spring between parallel control case and the parallel control disk seat.
Because there are a plurality of parallel control valves in this scheme, and the parallel control valve coil of different parallel control valves can be connected with the signal circuit of different sensors respectively, thereby make different sensors that environmental condition can control, and then control the fluid flow in the different parallel channel respectively, and the final flow of proportional valve is the flow sum of each parallel channel, still the fluid flow reduction in the UNICOM's way can all lead to the fluid total flow to reduce, and do not influence each other between the different condition, make the proportional valve more intelligent.
Preferably, a parallel control valve rod limiting seat is installed at one end of the parallel control valve seat, which is back to the air inlet of the parallel channel, and a parallel control valve rod limiting port matched with the parallel control valve rod limiting seat is formed at one end of the parallel control valve rod; the limiting port of the parallel control valve rod can limit the limiting position of the parallel control valve rod, so that the flow of fluid in different parallel channels has an upper limit, and one of a plurality of elements determining the flow is prevented from occupying a decisive position.
Preferably, the parallel control valve limiting seat is in threaded connection with the parallel control valve seat; the structure enables the position of the parallel control valve limiting seat to be adjustable, and therefore the importance of different elements determining the flow can be adjusted.
Preferably, a sealing ring is arranged between the parallel control valve limiting seat and the inner wall of the parallel control valve seat; the sealing ring can prevent gas from leaking out of the threaded connection.
Preferably, the parallel control valve spring is a conical spring; the conical spring can improve the stability of the elastic force direction, so that the situation that the fluid flow is difficult to control due to the bending of the spring is avoided.
Preferably, parallel channel reinforcing ribs are arranged between adjacent parallel channels; the parallel channel reinforcing ribs can support the parallel channel structure of the cantilever, and the strength of the structure is improved.
Preferably, the proportional valve further comprises a main control valve, the main control valve comprises a main air inlet and a main air outlet, and the main air outlet is communicated with the front end channel; the main control valve is used for controlling the integral switch of the proportional valve.
Therefore, the utility model discloses following beneficial effect has: (1) the proportional valve can control the flow of the fluid simultaneously under various conditions, and is more intelligent; (2) the importance of the various elements that determine fluid flow can be controlled and a single element is avoided from playing a decisive role.
Drawings
Fig. 1 is a schematic cross-sectional view of the present invention.
Fig. 2 is a schematic cross-sectional view of the present invention in the direction a-a of fig. 1.
Fig. 3 is a schematic cross-sectional view of the parallel control valve of the present invention.
In the figure: 1. the device comprises a front end channel 2, a rear end channel 3, a parallel channel 4, a parallel control valve 5, a main control valve 6, a proportional valve air outlet 7, a parallel channel air outlet 8, a parallel channel air inlet 9, a parallel control valve seat 10, a parallel control valve rod 11, a parallel control valve core 12, a parallel control valve coil 13, a parallel control valve spring 14, a parallel control valve limiting seat 15, a parallel control valve rod limiting port 16, a sealing ring 17, a parallel channel reinforcing rib 18, a main air inlet 19, a main air outlet 20, an iron core 21, a main control valve rod 22, a main control valve seat 23, a main control valve coil 24, a main control valve head 25, an iron core limiting block 26, a main control valve upper spring 27, a main control valve lower spring 28, an elastic pad 29 and a main control valve body.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
In the embodiment shown in fig. 1-2, a proportional valve with parallel channels comprises a front channel 1, a back channel 2, and a plurality of parallel channels 3, a parallel control valve 4 for controlling the opening and closing of the parallel channels is arranged in the parallel channels, one end of each of the plurality of parallel channels is communicated with the front end channel, the other end of each of the plurality of parallel channels is communicated with the rear end channel, the front end channel is communicated with the main control valve 5, the rear end channel is communicated with the air outlet 6 of the proportional valve, the parallel channel comprises a parallel channel air outlet 7 and a parallel channel air inlet 8, the parallel control valve comprises a parallel control valve seat 9 and a parallel control valve rod 10, and a parallel control valve core 11 arranged at one end of the parallel control valve rod, a parallel control valve coil 12 is arranged in the parallel control valve seat, the parallel control valve coils are respectively connected with a signal circuit for detecting elements determining the flow of the fluid; the parallel control valve core is arranged on the axis of the parallel control valve coil, and a parallel control valve spring 13 is arranged between the parallel control valve core and the parallel control valve seat; a parallel control valve rod limiting seat 14 is arranged at one end of the parallel control valve seat, which is back to the air inlet of the parallel channel, and a parallel control valve rod limiting port 15 matched with the parallel control valve rod limiting seat is arranged at one end of the parallel control valve rod; the parallel control valve limiting seat is connected with the parallel control valve seat through threads; a sealing ring 16 is arranged between the parallel control valve limiting seat and the inner wall of the parallel control valve seat; the parallel control valve spring is a conical spring; parallel channel reinforcing ribs 17 are arranged between adjacent parallel channels.
The main control valve comprises a main air inlet 18 and a main air outlet 19, the main air outlet is communicated with the front end channel; the main control valve further comprises an iron core 20, a main control valve rod 21 and a main control valve seat 22, a main control valve coil 23 is installed in the main control valve seat, the iron core is installed on the axis of the main control valve coil, the lower end of the iron core is in contact with the upper end of the main control valve rod, a main control valve head 24 is arranged at the lower end of the main control valve rod, an iron core limiting block 25 is arranged at the upper portion in the main control valve seat, the iron core limiting block is in threaded connection with the main control valve seat, a main control valve upper spring 26 is installed between the iron core limiting block and the iron core, and a main control valve lower spring 27 is installed between the lower end of the main control valve head and the bottom of the main control valve seat; an elastic cushion 28 is arranged on the main control valve head, a funnel-shaped main control valve body 29 is arranged in the main control valve seat, and the lower end of the main control valve body is abutted against the elastic cushion; the main air inlet is communicated with the outer side of the main control valve body, and the main air outlet is communicated with the inner side of the main control valve body; the main control valve coil is connected with the main switch circuit; the sectional areas of the main air inlet and the main air outlet are at least n times of the sectional areas of the parallel channels, wherein n is the number of the parallel channels.
When the proportional valve is used, if the main switch circuit is opened, current is generated in the coil of the main control valve to drive the iron core to move downwards, so that the main control valve head moves downwards, the inner side and the outer side of the main control valve body are communicated, and gas in the main gas inlet can be introduced into the main gas outlet and move into the front end channel; meanwhile, different environment detection assembly components detect different environment elements and form a plurality of signal circuits which are respectively used for controlling different parallel control valve coils; the strength of the signal circuits determines the opening and closing size of the plurality of parallel control valves, and further determines the flow rate of the fluid leaving from the air outlet of the proportional valve.
Claims (7)
1. The utility model provides a proportional valve with parallel channel, characterized by, includes front end passageway, rear end passageway and a plurality of parallel channel, install the parallel control valve that is used for controlling parallel channel to open and shut in the parallel channel, the one end of a plurality of parallel channel all communicates with front end passageway, and the other end all communicates with the rear end passageway, parallel channel includes parallel channel gas outlet and parallel channel air inlet, the parallel control valve includes parallel control disk seat, parallel control valve rod to and install the parallel control case at parallel control valve rod one end, install the parallel control valve coil in the parallel control disk seat, the parallel control case is installed on the axis of parallel control valve coil, install the parallel control valve spring between parallel control case and the parallel control disk seat.
2. The proportioning valve with parallel passage of claim 1 wherein said parallel control valve seat has a parallel control valve stem retainer mounted on an end facing away from the parallel passage inlet, and one end of said parallel control valve stem has a parallel control valve stem retainer port adapted to said parallel control valve stem retainer.
3. The proportioning valve with parallel passage of claim 2 wherein said parallel control valve limiting seat is threaded with said parallel control valve seat.
4. The proportioning valve with parallel passage of claim 3 wherein a sealing ring is installed between said parallel control valve limiting seat and the inner wall of the parallel control valve seat.
5. The proportioning valve of claim 1 wherein said parallel control valve spring is a conical spring.
6. The proportioning valve of claim 1 wherein parallel channel ribs are provided between adjacent parallel channels.
7. A proportional valve with parallel channels according to any of claims 1-6, further comprising a main control valve including a main inlet port and a main outlet port, the main outlet port communicating with the front end channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220677568.7U CN217153001U (en) | 2022-03-24 | 2022-03-24 | Proportional valve with parallel channels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220677568.7U CN217153001U (en) | 2022-03-24 | 2022-03-24 | Proportional valve with parallel channels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217153001U true CN217153001U (en) | 2022-08-09 |
Family
ID=82697287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220677568.7U Active CN217153001U (en) | 2022-03-24 | 2022-03-24 | Proportional valve with parallel channels |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217153001U (en) |
-
2022
- 2022-03-24 CN CN202220677568.7U patent/CN217153001U/en active Active
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