CN216555564U - Water inlet electromagnetic valve and water using equipment - Google Patents
Water inlet electromagnetic valve and water using equipment Download PDFInfo
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- CN216555564U CN216555564U CN202122865819.2U CN202122865819U CN216555564U CN 216555564 U CN216555564 U CN 216555564U CN 202122865819 U CN202122865819 U CN 202122865819U CN 216555564 U CN216555564 U CN 216555564U
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- water inlet
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Abstract
The utility model discloses a water inlet electromagnetic valve and water utilization equipment, wherein the water inlet electromagnetic valve comprises a valve body and a pressure reducing device, the valve body comprises a water inlet pipe section, a side opening is arranged on the side wall of the water inlet pipe section, the pressure reducing device comprises a shell with an opening at one end, the opening end of the shell is arranged on the outer side of the water inlet pipe section and covers the side opening, a movable part is arranged in the shell, a closed space is formed between the movable part and the shell, a certain volume of gas is stored in the closed space, and the movable part can compress the gas in the closed space under the action of water pressure in the water inlet pipe section so as to play a role of pressure reduction protection on high pressure in the valve body and improve the service life and reliability of the electromagnetic valve.
Description
Technical Field
The utility model relates to the technical field of electromagnetic valves, in particular to a water inlet electromagnetic valve and water using equipment.
Background
The electromagnetic valve is a valve body structure in which an electrified fluid in a magnetic field flows in a certain direction under the action of electromagnetic force. The electromagnetic valve takes alternating current as working power, the alternating fixed magnetic field is formed by the current through the electromagnetic winding, and the alternating fixed magnetic field and the movable piston form interaction to drive the piston to vibrate and push liquid to be output.
In the use process of the electromagnetic valve, high air pressure higher than the external air pressure may be generated inside the valve body of the electromagnetic valve due to different use states of the electromagnetic valve. For example, in the solenoid valve used in the water inlet pipeline of the water-consuming equipment such as washing machine and dish washer, after the water-consuming equipment finishes water intake and stops water intake suddenly, the water pressure in the solenoid valve can increase instantaneously, and the service life and reliability of the solenoid valve can be affected after long-time use.
The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may comprise prior art that does not constitute known to a person of ordinary skill in the art.
SUMMERY OF THE UTILITY MODEL
The utility model provides a water inlet electromagnetic valve and water using equipment aiming at the problems pointed out in the background technology.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:
the utility model provides a water inlet electromagnetic valve, comprising:
the valve body comprises a water inlet pipe section, and a side opening is formed in the side wall of the water inlet pipe section;
pressure relief device, it is including having the open casing of one end, the open end of casing is located the outside of intake pipe section and cover other opening, be equipped with the movable part in the casing, the movable part with form an airtight space between the casing, the storage has certain volume's gas in the airtight space, the movable part can intake pipe section internal water pressure's effect down the compression gas in the airtight space.
In some embodiments of the present application, the movable portion is a piston, and the piston can be under the effect of water pressure in the water inlet pipe section towards the compression one side of the airtight space produces the displacement motion.
In some embodiments of the present application, the piston includes a top wall and a circumferential wall of an integral structure, and a plurality of O-rings are disposed between the circumferential wall of the piston and the inner circumferential wall of the housing.
In some embodiments of the present application, the top wall of the piston is curved out toward a side adjacent to the side opening.
In some embodiments of this application, the movable part is flexible rubber pad, the rubber pad can be in the effect of water pressure in the intake pipe section is down towards the compression one side sunken deformation of airtight space.
In some embodiments of the present application, an elastic member is disposed between the movable portion and the bottom wall of the housing, and the elastic member is configured to apply an acting force to the movable portion, the acting force moving toward the side close to the side opening.
In some embodiments of the present application, a nut is disposed on a side wall of the water inlet pipe section, and an open end of the casing is screwed into the nut.
In some embodiments of the present application, the housing and the valve body are integrally injection molded, and the housing is provided with an end cover at an opening on one side far away from the side opening.
The utility model also provides water using equipment which comprises a water inlet pipeline, wherein the water inlet pipeline is provided with the water inlet electromagnetic valve.
In some embodiments of the present application, the water-using appliance is a laundry care appliance or a dishwasher.
Compared with the prior art, the utility model has the advantages and positive effects that:
the water inlet electromagnetic valve disclosed by the application can be applied to water utilization equipment, when water inlet of the water utilization equipment is finished and water inlet is suddenly stopped, the water pressure in the valve body can be instantly increased, at the moment, the water pressure in the water inlet pipe section enters the shell through the side opening and is positioned in an area outside the closed space, the movable part is pushed to move towards one side of the compressed closed space, the decompression protection effect on the valve body is realized, and meanwhile, gas in the closed space is compressed under stress; when the pressure in the valve body returns to normal, the movable part is reset under the elastic force of the compressed gas in the closed space to prepare for the next decompression protection action.
The water inlet electromagnetic valve realizes pressure reduction protection through the pressure reducing device arranged outside the water inlet pipe section, avoids the situation that the interior of the valve body is in a high-pressure state for a long time, and improves the service life and the reliability of the water inlet electromagnetic valve.
The setting of pressure relief device in this application only need set up on the lateral wall of the water inlet pipe section of valve body other opening can, other structures of valve body need not to make the modification, are convenient for use in current most solenoid valve structures, and the suitability is stronger.
The pressure reducing device in the application has the advantages of simple structure, few used parts and convenience in installation.
Other features and advantages of the present invention will become more apparent from the following detailed description of the utility model when taken in conjunction with the accompanying drawings.
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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a water inlet solenoid valve according to a first embodiment;
fig. 2 is a schematic structural view of a movable portion of the water inlet solenoid valve after being forced to move according to the first embodiment;
FIG. 3 is a schematic structural diagram of a water inlet solenoid valve according to the second embodiment;
fig. 4 is a schematic structural view of the water inlet solenoid valve according to the second embodiment after the movable portion is forced to move.
Reference numerals:
100-valve body, 110-water inlet pipe section, 120-side opening and 130-nut;
200-pressure reducing device, 210-shell, 211-end cover, 220-movable part, 221-top wall of piston, 222-circumferential wall of piston, 223-rubber pad, 230-O-shaped sealing ring, 240-elastic part and 250-closed space.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. 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 following disclosure provides many different embodiments or examples for implementing different features of the utility model. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.
Example one
The embodiment discloses a water inlet electromagnetic valve which can be applied to a water inlet pipeline of water using equipment, wherein the water using equipment can be a washing machine, a shoe washing machine, a dish washing machine and the like.
Referring to fig. 1, the water inlet solenoid valve includes a valve body 100 and a pressure reducing device 200, and the pressure reducing device 200 is used for pressure reduction protection when high pressure occurs in the valve body 100.
The valve body 100 includes a water inlet pipe section 110, and a side opening 120 is formed on a side wall of the water inlet pipe section 110. The embodiment does not limit other structures of the valve body.
The pressure relief device 200 includes a housing 210, the housing 210 having an open end, the open end of the housing 210 being disposed outside the inlet pipe segment 110 and covering the bypass opening 120. The movable portion 220 is disposed in the casing 210, a sealed space 250 is formed between the movable portion 220 and the casing 210, and a certain volume of gas is stored in the sealed space 250. Movable portion 220 may compress the gas in enclosed space 250 under the action of the water pressure in intake pipe segment 110.
Referring to fig. 2 (in the figure, the solid line arrow represents a water flow direction, and the dotted line arrow represents a water pressure acting direction), when water is fed into the water utilization equipment and water feeding is stopped suddenly, the water pressure in the valve body 100 increases instantaneously, at this time, the water pressure in the water inlet pipe section 110 enters the housing 210 through the side opening 120 and is located in an area outside the sealed space 250, the movable part 220 is pushed to move towards one side of the compressed sealed space 250, the pressure reduction protection effect on the valve body 100 is realized, and meanwhile, the gas in the sealed space 250 is compressed under stress; when the pressure in the valve body 100 returns to normal, the movable portion 220 returns to the state shown in fig. 1 by the elastic force of the compressed gas in the sealed space 250, and is ready for the next pressure-reducing protection operation.
The water inlet solenoid valve in the embodiment realizes pressure reduction protection through the pressure reducing device 200 arranged on the outer side of the water inlet pipe section 110, avoids the situation that the interior of the valve body 100 is in a high-pressure state for a long time, and improves the service life and the reliability of the water inlet solenoid valve.
The pressure reducing device 200 is arranged only by arranging the side opening 120 on the side wall of the water inlet pipe section 110 of the valve body, and other structures of the valve body 100 do not need to be modified, so that the pressure reducing device is convenient to apply to most of the existing electromagnetic valve structures, and has strong applicability.
The pressure reducing device 200 has a simple structure, uses few parts, and is convenient to install.
Two embodiments are given in the present application for the specific structure of the movable portion 220.
In a first structure of the movable portion 220, referring to fig. 1 and 2, the movable portion 220 is a piston which can move toward one side of the compression-sealed space 250 under the action of water pressure in the inlet pipe section 110.
Further, the piston includes a top wall and a circumferential wall of an integral structure, a plurality of O-rings 230 are disposed between the circumferential wall 222 of the piston and the inner circumferential wall of the housing 210, and a dynamic seal is formed between the circumferential wall 222 of the piston and the inner wall 210 of the housing, thereby improving the sealing performance of the sealed space 250 and allowing the piston to reciprocate.
Furthermore, the top wall 221 of the piston is arched towards the side close to the side opening 120, and when high pressure occurs in the water inlet pipe section 110, the top wall 221 of the piston is sunken towards the side of the closed space 250, so that a certain stress deformation amount is provided for the piston, and the use reliability of the piston is improved. Further, an elastic member 240 is provided between the top wall 221 of the piston and the bottom wall of the housing 210, and the elastic member 240 is used to apply a force to the piston to move toward the side close to the side opening 120.
When the water pressure in the valve body 100 increases and the piston moves towards one side of the compression closed space 250, the gas in the closed space 250 is stressed and compressed, and meanwhile, the elastic part 240 is stressed and compressed; when the pressure in the valve body 100 is restored to normal, the piston is under the thrust action of the elastic member 240 in addition to the thrust action of the compressed gas in the sealed space 250, so that the piston can be normally restored, and the reliability of the pressure reducing device 200 is improved.
Second structure of the movable part 220, referring to fig. 3 and 4, the movable part 220 is a flexible rubber pad 223, and the rubber pad 223 is a structure similar to a tympanic membrane.
In the initial state, the rubber pad 223 is in the state shown in fig. 3; when water inflow is finished and water is suddenly stopped, the rubber pad 223 can be sunken and deformed towards one side of the compression closed space 250 under the action of the water pressure in the water inflow pipe section 110, so that the purpose of pressure reduction is achieved.
Further, an elastic member 240 is disposed between the rubber pad 223 and the bottom wall of the housing 210, and the function and the operation process of the elastic member 240 are the same as those of the above-mentioned piston embodiment, and are not described again.
In this embodiment, the elastic member 240 is a linear spring.
Two embodiments are presented for the mounting structure between the housing 210 and the intake pipe segment 110.
In a first embodiment, referring to fig. 1, a nut 130 (e.g., a hexagon nut) is disposed on a sidewall of the water inlet pipe segment 110, an open end of the housing 210 is screwed into the nut 130, so as to achieve a fixed connection therebetween, and a plurality of threads also perform a sealing function.
In this embodiment, the housing 210 may be made of copper, such as red copper, and is hard and reliable.
In a second embodiment, referring to fig. 3, the housing 210 is integrally injection molded with the valve body 100, and the housing 210 is provided with an end cover 211 at an opening on a side away from the bypass opening 120, so that a closed space 250 is formed between the end cover 211, a peripheral wall of the housing 210, and the rubber pad 223.
Example two
The embodiment discloses a water using device, which comprises a water inlet pipeline, wherein the water inlet pipeline is provided with a water inlet electromagnetic valve disclosed in the embodiment one.
The water using device can be clothes washing and protecting device or dish washing machine, wherein the clothes washing and protecting device can be a washing machine, a shoe washing machine and the like.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A water inlet solenoid valve, comprising:
the valve body comprises a water inlet pipe section, and a side opening is formed in the side wall of the water inlet pipe section;
pressure relief device, it is including having the open casing of one end, the open end of casing is located the outside of intake pipe section and cover other opening, be equipped with the movable part in the casing, the movable part with form an airtight space between the casing, the storage has certain volume's gas in the airtight space, the movable part can intake pipe section internal water pressure's effect down the compression gas in the airtight space.
2. The water inlet solenoid valve of claim 1,
the movable part is a piston, and the piston can generate displacement motion towards one side of the compressed closed space under the action of water pressure in the water inlet pipe section.
3. The water inlet solenoid valve of claim 2,
the piston includes roof and the circumference wall of body structure, the circumference wall of piston with be equipped with multichannel O type sealing washer between the internal perisporium of casing.
4. The water inlet solenoid valve of claim 3,
the top wall of the piston is curved out towards one side close to the side opening.
5. The water inlet solenoid valve of claim 1,
the movable part is a flexible rubber pad, and the rubber pad can be compressed towards one side of the closed space to be sunken and deformed under the action of water pressure in the water inlet pipe section.
6. The water inlet solenoid valve according to any one of claims 1 to 5,
an elastic piece is arranged between the movable part and the bottom wall of the shell and used for applying acting force to the movable part to move towards the side close to the side opening.
7. The water inlet solenoid valve according to any one of claims 1 to 5,
the side wall of the water inlet pipe section is provided with a nut, and the open end of the shell is screwed in the nut.
8. The water inlet solenoid valve according to any one of claims 1 to 5,
the shell and the valve body are integrally formed in an injection molding mode, and an end cover is arranged at an opening on one side, away from the side opening, of the shell.
9. A water-using apparatus comprising a water inlet line, wherein the water inlet line is provided with a water inlet solenoid valve according to any one of claims 1 to 8.
10. The water using apparatus of claim 9,
the water using device is a clothes washing and protecting device or a dish washing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122865819.2U CN216555564U (en) | 2021-11-22 | 2021-11-22 | Water inlet electromagnetic valve and water using equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122865819.2U CN216555564U (en) | 2021-11-22 | 2021-11-22 | Water inlet electromagnetic valve and water using equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216555564U true CN216555564U (en) | 2022-05-17 |
Family
ID=81576821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122865819.2U Active CN216555564U (en) | 2021-11-22 | 2021-11-22 | Water inlet electromagnetic valve and water using equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216555564U (en) |
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2021
- 2021-11-22 CN CN202122865819.2U patent/CN216555564U/en active Active
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