CN212407651U - Diaphragm type low-power consumption electric valve - Google Patents
Diaphragm type low-power consumption electric valve Download PDFInfo
- Publication number
- CN212407651U CN212407651U CN202021101129.9U CN202021101129U CN212407651U CN 212407651 U CN212407651 U CN 212407651U CN 202021101129 U CN202021101129 U CN 202021101129U CN 212407651 U CN212407651 U CN 212407651U
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- valve
- cavity
- diaphragm
- pressure relief
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Abstract
The utility model discloses a diaphragm type low-power consumption electric valve, which comprises a valve body, a valve cover, an electric actuator, an electric appliance protective shell and a junction box, wherein the valve body is provided with a water inlet cavity and a water outlet cavity; the pressure control cavity is also communicated with a pressure relief flow guide hole, the pressure relief flow guide hole is communicated with the drainage flow guide hole, and a manual emergency pressure relief switch for controlling the opening and the closing of the pressure relief flow guide hole is arranged on the pressure relief flow guide hole; the utility model discloses utilize integral software seal membrane to get to replace traditional drainage valve that comprises a plurality of metal parts, simple structure, corrosion resistant is rust-resistant, has solved electric actuator under the unable condition that supplies water when breaking down, opens emergency switch and still can in time supply water problem to the user.
Description
Technical Field
The utility model relates to an adjusting valve technical field, more specifically the utility model relates to a diaphragm type low-power consumption electric valve.
Background
The electric valve is widely applied to municipal water supply, industrial production, garden irrigation and other water supply and drainage projects, the electric valve is driven by 380V-220V alternating current and driven by 3.6V-24V direct current low-voltage power supply, an electric actuator of the electric valve is provided with an electronic module and an electronic device, the electric valve is generally operated intelligently, water supply and water cut-off of a pipeline are determined by opening and closing of a drainage valve in the electric valve, the opening and closing of the drainage valve are determined by fluid pressure in a pressure control cavity, the fluid pressure in the pressure control cavity is established by changing the section of a control pipeline by a spherical switch or a cylindrical switch of the electric actuator, so that the flow and the pressure of the fluid are changed, and the traditional electric valve has the following defects:
1. the drainage valve has complex structure, more metal components and high manufacturing cost.
2. The metal parts of the drainage valve and the key parts such as the spherical or cylindrical switch of the electric actuator are immersed in water for a long time, the surface is easy to corrode and scale, the smoothness is reduced, and the failure rate is high. The spherical or cylindrical switch surface corrosion and scaling can cause the increase of the opening and closing force and the increase of the power consumption, and the mutual leakage and the intercommunication of the incoming water and the outgoing water fluid in the control pipeline can be caused due to the reduction of the switch finish degree, so that the pressure difference between the water inlet cavity below the drainage valve and the pressure control cavity at the upper part of the drainage valve is inaccurate, and the drainage valve fails to work; the metal component of the drainage valve is rusted and scaled, which can cause the valve core to be stuck and the electric valve can not work normally.
3. The sealing effect between the water inlet cavity and the water outlet cavity of the drainage valve is poor, and the water inlet cavity and the water outlet cavity are not tightly sealed, so that the working performance of the electric valve is unstable, and the water supply pipeline is not closed correctly.
4. If the electric valve of intelligent operation breaks down under the water source cutting off state, then can't open the valve and supply water, this phenomenon can produce very big influence to industrial and agricultural production and domestic water of family.
Therefore, how to provide a diaphragm type low power consumption electric valve is a problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least, provide a diaphragm type low-power consumption electric valve.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a diaphragm type low-power-consumption electric valve comprises a valve body, a valve cover, an electric actuator, an electric appliance protective shell and a junction box, wherein the valve body is provided with a water inlet cavity and a water outlet cavity, openings are formed in the tops of the water inlet cavity and the water outlet cavity, the two openings are communicated, a soft sealing diaphragm is fixedly connected between the valve body and the valve cover, the bottom wall of the soft sealing diaphragm is abutted against the end faces of the two openings to seal the two openings, and a pressure control cavity is formed between the valve cover and the soft sealing diaphragm;
the soft sealing diaphragm is provided with a water inlet diversion hole communicated with the water inlet cavity, and the water inlet diversion hole is communicated with the pressure control cavity;
the upper surface of the middle part of the soft sealing diaphragm is abutted with a spring, and the top end of the spring is fixedly connected to the center of the inner wall of the valve cover;
a switch working cavity is formed in the center of the valve cover in a penetrating mode, a rotating shaft is arranged in the switch working cavity, the top of the rotating shaft is connected with the electric actuator, a ceramic chip switch is connected to the bottom of the rotating shaft, and a rubber sealing gasket is arranged at the bottom of the ceramic chip switch;
one side of the switch working cavity is provided with a drainage diversion hole, one end of the drainage diversion hole is communicated or disconnected with the pressure control cavity through a ceramic chip switch, and the other end of the drainage diversion hole is communicated with the water outlet cavity.
According to the technical scheme, the integral soft sealing diaphragm replaces the traditional drainage valve consisting of a plurality of metal parts, so that the structure is simple, and the valve is corrosion-resistant and rust-proof; the opening and closing of the integral rubber soft sealing diaphragm are controlled by utilizing the pressure difference formed by the upper action surface and the lower action surface of the soft sealing diaphragm, so that the fluid pressure loss is small; the ceramic chip switch has no scaling, small torque and low power consumption, overcomes the phenomenon of scaling and blocking of a metal spherical or cylindrical switch, solves the problem of power supply of a direct current or battery low-voltage power supply to a large-drainage electric valve, and is suitable for large-caliber intelligent water meter control systems, agricultural and garden irrigation and water supply and drainage control of a water supply network.
Furthermore, the soft sealing diaphragm comprises an edge connector and a middle sealing body, the edge connector is fixed between the valve body and the valve cover, and the middle sealing body is abutted against the end faces of the two openings.
Furthermore, the middle sealing body is provided with a cavity, and a diaphragm iron sheet is arranged in the cavity.
Adopt above-mentioned scheme's beneficial effect, the diaphragm iron sheet increases holistic weight, makes the middle part seal can not be because of weight is too light, leads to the leakproofness poor.
Furthermore, the pressure control cavity is communicated with a pressure relief flow guide hole, the pressure relief flow guide hole is communicated with the drainage flow guide hole, and a manual emergency pressure relief switch for controlling the opening and closing of the pressure relief flow guide hole is arranged on the pressure relief flow guide hole.
Further, manual emergent pressure release switch includes valve rod and lock nut, the valve rod with water conservancy diversion hole adaptation, through lock nut with the connection can be dismantled to the valve gap.
By adopting the scheme, when the emergency switch is turned on, the pressure control cavity is communicated with the drain hole to enable the pressure of the pressure control cavity to be smaller than the pressure of the water inlet cavity, and the diaphragm sealing plate is opened to enable the water inlet cavity to be communicated with the water outlet cavity to supply water to the pipeline.
The utility model provides an intelligent valve electric actuator under the unable condition that supplies water when breaking down, open emergency switch and still can in time supply water problem to the user.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a front view of the present invention.
Fig. 2 is a left side view of the present invention.
Fig. 3 is a cross-sectional view along the plane a-a of the present invention.
Fig. 4 is a cross-sectional view along the plane B-B of the present invention.
Wherein:
1-a valve body; 2-valve cover; 3-an electric actuator; 4-protective shell of electric appliance; 5-a junction box; 6-water inlet cavity; 7-water outlet cavity; 8-soft sealing diaphragm; 9-a pressure control chamber; 10-water inlet diversion holes; 11-a spring; 12-a rotating shaft; 13-ceramic chip switch; 14-rubber gaskets; 15-drainage diversion holes; 16-pressure relief flow guide holes; 17-diaphragm iron sheet; 18-valve stem.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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 present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The embodiment of the utility model discloses a diaphragm type low-power consumption electric valve, which comprises a valve body 1, a valve cover 2, an electric actuator 3, an electric appliance protective shell 4 and a junction box 5, wherein the electric actuator 3 is arranged in the electric appliance protective shell 4, the electric appliance protective shell 4 is fixedly connected with the valve cover 2 through screws, and the junction box 5 is connected above the electric appliance protective shell 2;
specifically, the valve body 1 is provided with a water inlet cavity 6 and a water outlet cavity 7, the top parts of the water inlet cavity 6 and the water outlet cavity 7 are both provided with openings, the two openings are communicated, a soft sealing diaphragm 8 is fixedly connected between the valve body 1 and the valve cover 2 and is made of rubber, the bottom wall of the soft sealing diaphragm 8 is abutted against the end faces of the two openings to seal the two openings, and a pressure control cavity 9 is formed between the valve cover 2 and the soft sealing diaphragm 8; the soft sealing diaphragm 8 is provided with a water inlet diversion hole 10 communicated with the water inlet cavity, and the water inlet diversion hole 10 is communicated with the pressure control cavity 9; the upper surface of the middle part of the soft sealing diaphragm 8 is abutted with a spring 11, and the top end of the spring 11 is fixedly connected with the center of the inner wall of the valve cover 2; a switch working cavity is formed in the center of the valve cover 2 in a penetrating mode, a rotating shaft 12 is arranged in the switch working cavity, the top of the rotating shaft 12 is connected with the electric actuator 3, a ceramic chip switch 13 is connected to the bottom of the rotating shaft 12, a rubber sealing gasket 14 is arranged at an opening in the bottom of the switch working cavity, and the rubber sealing gasket 14 is matched with the bottom of the ceramic chip switch 13; one side of the switch working cavity is provided with a drainage diversion hole 15, one end of the drainage diversion hole 15 is communicated or disconnected with the pressure control cavity 9 through a ceramic chip switch, and the other end of the drainage diversion hole 15 is communicated with the water outlet cavity 7.
Advantageously, the soft sealing diaphragm 8 comprises an edge connector and a middle sealing body which are integrally connected, the edge connector is fixed between the valve body 1 and the valve cover 2, and the middle sealing body is abutted against the end faces of the two openings; wherein, the middle part seal has the cavity, is equipped with diaphragm iron sheet 18 in the cavity, and diaphragm iron sheet 18 increases holistic weight, makes the middle part seal can not lead to the leakproofness poor because of weight is too light.
The pressure control cavity 9 is also communicated with a pressure relief flow guide hole 17, the pressure relief flow guide hole 17 is communicated with the drainage flow guide hole 15, a manual emergency pressure relief switch for controlling the opening and closing of the pressure relief flow guide hole 17 is arranged on the pressure relief flow guide hole 17, and when the emergency switch is opened, the pressure control cavity 9 is communicated with the drainage hole.
The manual emergency pressure relief switch comprises a valve rod 19 and a locking nut, the valve rod 19 is matched with the pressure relief flow guide hole 17 and used for plugging the pressure relief flow guide hole 19, and the valve rod is fixedly connected to the valve cover through the locking nut.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. The utility model provides a diaphragm type low-power consumption electric valve, includes valve body, valve gap, electric actuator, electrical apparatus protective housing and terminal box, the valve body has the intake antrum and goes out the water cavity, the intake antrum with the top of going out the water cavity all is equipped with the opening, two the opening intercommunication, its characterized in that:
a soft sealing diaphragm is fixedly connected between the valve body and the valve cover, the bottom wall of the soft sealing diaphragm is abutted against the end faces of the two openings to seal the two openings, and a pressure control cavity is formed between the valve cover and the soft sealing diaphragm;
the soft sealing diaphragm is provided with a water inlet diversion hole communicated with the water inlet cavity, and the water inlet diversion hole is communicated with the pressure control cavity;
the upper surface of the middle part of the soft sealing diaphragm is abutted with a spring, and the top end of the spring is fixedly connected to the center of the inner wall of the valve cover;
a switch working cavity is formed in the center of the valve cover in a penetrating mode, a rotating shaft is arranged in the switch working cavity, the top of the rotating shaft is connected with the electric actuator, a ceramic chip switch is connected to the bottom of the rotating shaft, and a rubber sealing gasket is arranged at the bottom of the ceramic chip switch;
one side of the switch working cavity is provided with a drainage diversion hole, one end of the drainage diversion hole is communicated or disconnected with the pressure control cavity through a ceramic chip switch, and the other end of the drainage diversion hole is communicated with the water outlet cavity.
2. A diaphragm-type electrically operated valve with low power consumption as claimed in claim 1, wherein said soft sealing diaphragm comprises an edge connector fixed between said valve body and said valve cover and a middle sealing body abutting against the end faces of both said openings.
3. A diaphragm-type electrically operated valve with low power consumption as claimed in claim 2, wherein said middle sealing body has a cavity, and a diaphragm iron piece is disposed in said cavity.
4. The diaphragm-type electric valve with low power consumption as claimed in claim 1, wherein the pressure control chamber is further communicated with a pressure relief guiding hole, the pressure relief guiding hole is communicated with the drainage guiding hole, and a manual emergency pressure relief switch for controlling the opening and closing of the pressure relief guiding hole is arranged on the pressure relief guiding hole.
5. The diaphragm type electrically operated valve with low power consumption as claimed in claim 4, wherein the manual emergency pressure relief switch comprises a valve rod and a lock nut, the valve rod is matched with the diversion hole and detachably connected with the valve cover through the lock nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021101129.9U CN212407651U (en) | 2020-06-15 | 2020-06-15 | Diaphragm type low-power consumption electric valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021101129.9U CN212407651U (en) | 2020-06-15 | 2020-06-15 | Diaphragm type low-power consumption electric valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212407651U true CN212407651U (en) | 2021-01-26 |
Family
ID=74406471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021101129.9U Expired - Fee Related CN212407651U (en) | 2020-06-15 | 2020-06-15 | Diaphragm type low-power consumption electric valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212407651U (en) |
-
2020
- 2020-06-15 CN CN202021101129.9U patent/CN212407651U/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: 20210126 Termination date: 20210615 |
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| CF01 | Termination of patent right due to non-payment of annual fee |