CN217977575U - Constant-pressure safety electromagnetic valve - Google Patents
Constant-pressure safety electromagnetic valve Download PDFInfo
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- CN217977575U CN217977575U CN202222461372.7U CN202222461372U CN217977575U CN 217977575 U CN217977575 U CN 217977575U CN 202222461372 U CN202222461372 U CN 202222461372U CN 217977575 U CN217977575 U CN 217977575U
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Abstract
The utility model provides a constant pressure safety solenoid valve, including valve body, solenoid valve subassembly, be provided with inlet channel, first outlet conduit, second outlet conduit on the valve body, be provided with constant pressure safety valve subassembly in the inlet channel, be provided with the first solenoid valve subassembly that is used for controlling inlet channel and first outlet conduit to switch on and off between inlet channel and the first outlet conduit; and a second electromagnetic valve component used for controlling the conduction and the closing of the water inlet pipeline and the second water outlet pipeline is arranged between the water inlet pipeline and the second water outlet pipeline. After the constant-pressure safety valve assembly is additionally arranged on the water inlet pipeline of the electromagnetic valve, the pressure in the valve body is constant within a certain range regardless of the pressure of the water inlet pipeline, the problems of difficult starting or water leakage caused by the pressure bearing of the valve body due to the influence of the water inlet pressure and the like are solved, and the purpose of constant-pressure safety is realized.
Description
Technical Field
The utility model relates to a solenoid valve field specifically indicates a constant voltage safety solenoid valve.
Background
In the solenoid valve which is currently circulated in the market, the pressure of a water inlet pipeline is equal to the pressure of a valve cavity area; the valve body is affected by water inlet pressure, so that the starting is difficult, and the valve body is broken and leaks water after bearing pressure.
The existing electromagnetic valve adopts a two-stage pressure reduction method to work in order to start and work under high water pressure, so that the switching valve is realized.
Disclosure of Invention
The utility model aims at overcoming the shortcoming and not enough that prior art exists, and providing a constant voltage safety solenoid valve, the utility model discloses the technical scheme who takes as follows:
a constant-pressure safety electromagnetic valve comprises a valve body and an electromagnetic valve assembly, wherein a water inlet pipeline, a first water outlet pipeline and a second water outlet pipeline are arranged on the valve body, a constant-pressure safety valve assembly is arranged in the water inlet pipeline, and a first electromagnetic valve assembly used for controlling the connection and the disconnection of the water inlet pipeline and the first water outlet pipeline is arranged between the water inlet pipeline and the first water outlet pipeline; and a second electromagnetic valve component used for controlling the conduction and the closing of the water inlet pipeline and the second water outlet pipeline is arranged between the water inlet pipeline and the second water outlet pipeline.
Preferably, the constant-pressure safety valve assembly comprises an inner core, a pressure reducing cover and a second return spring, the inner core is arranged in the water inlet pipeline, a fluid channel is arranged in the inner core, the pressure reducing cover is sleeved at one end of the inner core, and the second return spring is limited between the inner core and the pressure reducing cover.
Preferably, the water inlet pipeline is connected with a water inlet cavity arranged in the valve body, and an outer cavity is formed between the outside of the water inlet cavity and the electromagnetic valve component; the water inlet cavity is vertical to the outer cavity.
The first electromagnetic valve component and the second electromagnetic valve component are respectively provided with a first annular valve seat and a second annular valve seat; the outer peripheries of the first annular valve seat and the second annular valve seat are matched with the outer cavity, and the central parts of the first annular valve seat and the second annular valve seat are respectively matched with the first water outlet pipeline and the second water outlet pipeline.
Preferably, one end of the constant pressure safety valve assembly is connected with a filter screen.
Preferably, the periphery of the pressure reducing cover is provided with a first annular bulge, the periphery of the inner core is provided with a second annular bulge, and the second return spring is sleeved on the peripheries of the inner core and the pressure reducing cover and positioned between the first annular bulge and the second annular bulge; and a cross-shaped bracket is arranged in the fluid channel at the top of the inner core.
Preferably, the top of the pressure reduction cover is provided with a first through hole and a second through hole, and a circular groove is arranged on the inner side of the top of the pressure reduction cover, the second through hole is arranged on the top of the circular groove, and the pressure reduction sheet is arranged in the circular groove.
Preferably, the constant-pressure safety valve assembly further comprises a first O-ring arranged between the inner core and the valve body, a second O-ring arranged between the pressure reducing cover and the valve body, and a third O-ring arranged between the outer wall of the inner core and the inner wall of the pressure reducing cover.
Preferably, one end of the water inlet cavity, which is far away from the water inlet pipeline, is provided with a third annular valve seat, the third annular valve seat is provided with an anti-siphon valve in a matching manner, the anti-siphon valve comprises a bracket assembly, the bracket assembly comprises an annular bracket, a circular plate and a conical table, the circular plate and the conical table are fixedly connected with the annular bracket,
preferably, the anti-siphon valve further comprises a first sealing gasket and a second sealing gasket which are arranged on the bracket component; a first caulking groove matched with the first sealing gasket is arranged between the circular plate and the annular bracket; and a second caulking groove matched with a second sealing gasket is arranged between the circular plate and the conical table.
The beneficial effects of the utility model are as follows: according to the invention, the constant-pressure safety valve component is arranged in the water inlet pipeline of the valve, and after the constant-pressure safety valve component is additionally arranged on the water inlet pipeline of the electromagnetic valve, the pressure in the valve body is constant within a certain range no matter how high the pressure of the water inlet pipeline is, so that the problems of difficult starting or water leakage caused by pressure bearing of the valve body due to the influence of the water inlet pressure and the like are solved, and the purpose of constant-pressure safety is realized.
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 introduced below, and 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 obtained from these drawings still belong to the scope of the present invention without inventive laboriousness.
FIG. 1 is a schematic view of the entire structure of embodiment 1;
FIG. 2 is a sectional view of embodiment 1;
FIG. 3 is a sectional view of the embodiment 1B-B;
FIG. 4 is an exploded schematic view of the constant pressure safety valve assembly of embodiment 1;
FIG. 5 is a schematic view showing the construction of the constant pressure safety valve assembly of embodiment 1;
FIG. 6 is a schematic structural view (A) and a sectional view (B) of the pressure reducing cover in embodiment 1;
FIG. 7 is an exploded perspective view of the anti-siphon valve according to example 1;
FIG. 8 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1;
in the figure, 1-water inlet pipe, 11-water inlet pipe, 12-outer cavity, 21-first water outlet pipe, 22-second water outlet pipe, 3-coil component, 4-diaphragm, 41-diaphragm plate, 5-valve cavity, 6-first return spring, 7-constant pressure safety valve component, 71-inner core, 72-pressure reducing cover, 721-first through hole, 722-second through hole, 73-second return spring, 74-pressure reducing sheet, 751-first O-ring, 752-second O-ring, 753-third O-ring, 76-filter screen, 8-siphon valve, 81-bracket component, 811-circular plate, 812-0 conical table, 813-annular bracket, 82-first sealing gasket, 83-second sealing gasket, 91-first annular valve seat, 92-second annular valve seat.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used to distinguish two entities with the same name but different names or different parameters, and it is understood that "first" and "second" are merely for convenience of expression and should not be construed as limitations of the embodiments of the present invention, and the following embodiments do not describe this one by one.
The terms of direction and position in the present invention, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer to the direction and position of the attached drawings. Accordingly, the use of directional and positional terms is intended to illustrate and understand the present invention and is not intended to limit the scope of the invention.
The utility model aims at overcoming the shortcoming and not enough that prior art exists, and providing a constant voltage safety solenoid valve, the utility model discloses the technical scheme who takes as follows:
the utility model aims at overcoming the shortcoming and not enough that prior art exists, and provide a constant voltage safety solenoid valve, the utility model discloses the technical scheme who takes as follows:
example 1
As shown in fig. 1-8, a constant pressure safety solenoid valve includes a valve body and a solenoid valve assembly, wherein the valve body is provided with a water inlet pipe 1, a first water outlet pipe 21 and a second water outlet pipe 22, the water inlet pipe 1 is provided with a constant pressure safety valve assembly 7, and a first solenoid valve assembly for controlling the connection and disconnection between the water inlet pipe 1 and the first water outlet pipe 21 is arranged between the water inlet pipe 1 and the first water outlet pipe 21; a second electromagnetic valve assembly for controlling the conduction and the closing of the water inlet pipeline 1 and the second water outlet pipeline 22 is arranged between the water inlet pipeline 1 and the second water outlet pipeline 22; the first electromagnetic valve component and the second electromagnetic valve component are respectively provided with a valve cavity 5, a coil component, a diaphragm 4 and a first return spring, wherein the coil component, the diaphragm 4 and the first return spring are matched with the valve cavity 5, and a diaphragm plate is arranged between the diaphragm and the first return spring.
The constant pressure safety valve assembly 7 includes an inner core 71, a pressure reducing cover 72, and a second return spring 73, the inner core 71 is disposed in the water inlet pipe 1 and has a fluid passage formed therein, the pressure reducing cover 72 is fitted over one end of the inner core 71, and the second return spring 73 is limited between the inner core 71 and the pressure reducing cover 72.
The water inlet pipeline 1 is connected with a water inlet cavity 11 arranged in the valve body, and an outer cavity 12 is arranged between the outside of the water inlet cavity 11 and the electromagnetic valve assembly; the water inlet cavity 11 is perpendicular to the outer cavity.
The first solenoid valve component and the second solenoid valve component are respectively provided with a first annular valve seat 91 and a second annular valve seat 92; the outer peripheries of the first annular valve seat 91 and the second annular valve seat 92 are both matched with the outer cavity 12, and the central parts of the first annular valve seat 91 and the second annular valve seat 92 are respectively matched with the first water outlet pipeline 21 and the second water outlet pipeline 22.
When fluid flows in from the water inlet pipeline 1, the fluid firstly passes through the constant-pressure safety valve assembly 7, enters the water inlet cavity 11, then flows into the outer cavity 12 from the water inlet cavity 11, applies pressure to the outer peripheral part of the diaphragm 4, and when the space between the water inlet pipeline and the water outlet pipeline is closed, the space between the outer cavity 12 and the water outlet pipeline 2 is blocked by the diaphragm 4.
One end of the constant pressure safety valve assembly 7 is detachably connected with a filter screen 76, the filter screen 76 is arranged in front of the constant pressure safety valve assembly 7, and fluid is filtered by the filter screen 76 before entering the constant pressure safety valve assembly 7.
The periphery of the pressure reducing cover 72 is provided with a first annular bulge, the periphery of the inner core 71 is provided with a second annular bulge, and the second return spring 73 is sleeved on the peripheries of the inner core 71 and the pressure reducing cover 72 and is positioned between the first annular bulge and the second annular bulge; a cross-shaped bracket is arranged in the fluid passage at the top of the inner core 71.
The top of the pressure reducing cover 72 is provided with a first through hole 721 and a second through hole 722, and a circular groove is arranged on the inner side of the top of the pressure reducing cover 72, the second through hole 722 is arranged on the top of the circular groove, and the pressure reducing sheet 74 is arranged in the circular groove.
The constant pressure safety valve assembly 7 further includes a first O-ring 751 disposed between the inner core 71 and the valve body, a second O-ring 752 disposed between the pressure reducing cover 72 and the valve body, and a third O-ring 753 disposed between the outer wall of the inner core 71 and the inner wall of the pressure reducing cover 72.
A third annular valve seat is arranged at one end of the water inlet cavity 11 far away from the water inlet pipeline 1, an anti-siphon valve 8 is arranged on the third annular valve seat in a matching way, the anti-siphon valve 8 comprises a bracket component 81, the bracket component 81 comprises an annular bracket 813, a circular plate 811 fixedly connected with the annular bracket 813 and a conical platform 812,
a first sealing gasket 82 and a second sealing gasket 83 arranged on the bracket component 81; a first embedding groove used for being matched with the first sealing gasket 82 is arranged between the circular plate 811 and the annular bracket 813; a second caulking groove for matching with the second sealing gasket 83 is provided between the circular plate 811 and the conical table 812.
The following is the test condition of example 1 in the actual production, and the data in table 1 shows that the product has good pressure reduction effect, and the constant pressure of the valve cavity area is within the range of less than or equal to 1.5Mpa no matter how large the water inlet pressure is; and even when the water inlet pressure is less than 1.5Mpa, the product can still play a role in reducing pressure, so that the pressure in the valve cavity area is further reduced.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (10)
1. The utility model provides a constant voltage safety solenoid valve, includes valve body, solenoid valve subassembly which characterized in that: the water inlet valve is characterized in that a water inlet pipeline (1), a first water outlet pipeline (21) and a second water outlet pipeline (22) are arranged on the valve body, a constant-pressure safety valve assembly (7) is arranged in the water inlet pipeline (1), and a first electromagnetic valve assembly for controlling the connection and the disconnection of the water inlet pipeline (1) and the first water outlet pipeline (21) is arranged between the water inlet pipeline (1) and the first water outlet pipeline (21); and a second electromagnetic valve assembly used for controlling the conduction and the closing of the water inlet pipeline (1) and the second water outlet pipeline (22) is arranged between the water inlet pipeline (1) and the second water outlet pipeline (22).
2. The constant pressure safety solenoid valve according to claim 1, wherein: the constant-pressure safety valve assembly (7) comprises an inner core (71), a pressure reducing cover (72) and a second reset spring (73), wherein the inner core (71) is arranged in the water inlet pipeline (1) and a fluid channel is arranged in the inner core, one end of the inner core (71) is sleeved with the pressure reducing cover (72), and the second reset spring (73) is limited between the inner core (71) and the pressure reducing cover (72).
3. The constant pressure safety solenoid valve as claimed in claim 1, wherein: the water inlet pipeline (1) is connected with a water inlet cavity (11) arranged in the valve body, and an outer cavity (12) is arranged between the outside of the water inlet cavity (11) and the electromagnetic valve component; the water inlet cavity (11) is vertical to the outer cavity.
4. The constant pressure safety solenoid valve according to claim 3, wherein: a first annular valve seat (91) and a second annular valve seat (92) are respectively arranged on the first electromagnetic valve component and the second electromagnetic valve component; the outer peripheries of the first annular valve seat (91) and the second annular valve seat (92) are matched with the outer cavity (12), and the central parts of the first annular valve seat (91) and the second annular valve seat (92) are respectively matched with the first water outlet pipeline (21) and the second water outlet pipeline (22).
5. The constant pressure safety solenoid valve as claimed in claim 2, wherein: one end of the constant-pressure safety valve component (7) is connected with a filter screen (76).
6. The constant pressure safety solenoid valve as claimed in claim 2, wherein: the periphery of the pressure reducing cover (72) is provided with a first annular bulge, the periphery of the inner core (71) is provided with a second annular bulge, and the second return spring (73) is sleeved on the peripheries of the inner core (71) and the pressure reducing cover (72) and is positioned between the first annular bulge and the second annular bulge; a cross-shaped bracket is arranged in the fluid channel at the top of the inner core (71).
7. The constant pressure safety solenoid valve according to claim 6, wherein: the top of the pressure reducing cover (72) is provided with a first through hole (721), a second through hole (722) and a circular groove located on the inner side of the top of the pressure reducing cover (72), the second through hole (722) is located on the top of the circular groove, and a pressure reducing sheet (74) is arranged in the circular groove.
8. The constant pressure safety solenoid valve as claimed in claim 2, wherein: the constant-pressure safety valve assembly (7) further comprises a first O-shaped ring (751) arranged between the inner core (71) and the valve body, a second O-shaped ring (752) arranged between the pressure reducing cover (72) and the valve body, and a third O-shaped ring (753) arranged between the outer wall of the inner core (71) and the inner wall of the pressure reducing cover (72).
9. The constant pressure safety solenoid valve according to claim 3, wherein: one end that intake antrum (11) kept away from inlet channel (1) is provided with third annular valve seat, the cooperation is provided with anti-siphon valve (8) on the third annular valve seat, anti-siphon valve (8) include bracket component (81), bracket component (81) include annular bracket (813) and circular slab (811) with annular bracket (813) fixed connection, toper platform (812).
10. The constant pressure safety solenoid valve as claimed in claim 9, wherein: the sealing device also comprises a first sealing gasket (82) and a second sealing gasket (83) which are arranged on the bracket component (81); a first embedding groove used for being matched with a first sealing gasket (82) is arranged between the circular plate (811) and the annular bracket (813); a second embedded groove used for being matched with a second sealing gasket (83) is arranged between the circular plate (811) and the conical table (812).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222461372.7U CN217977575U (en) | 2022-09-16 | 2022-09-16 | Constant-pressure safety electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222461372.7U CN217977575U (en) | 2022-09-16 | 2022-09-16 | Constant-pressure safety electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217977575U true CN217977575U (en) | 2022-12-06 |
Family
ID=84264716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222461372.7U Active CN217977575U (en) | 2022-09-16 | 2022-09-16 | Constant-pressure safety electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217977575U (en) |
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2022
- 2022-09-16 CN CN202222461372.7U patent/CN217977575U/en active Active
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