CN210423794U

CN210423794U - Waste water electromagnetic valve

Info

Publication number: CN210423794U
Application number: CN201921415424.9U
Authority: CN
Inventors: 黄彪
Original assignee: Wenzhou Dayang Technology Co ltd
Current assignee: Wenzhou Dayang Technology Co ltd
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-04-28
Anticipated expiration: 2029-08-28

Abstract

The utility model relates to a waste water solenoid valve, including valve body, diaphragm and solenoid electric device, be equipped with inhalant canal and exhalant canal on the valve body, still be equipped with the disk seat in the valve body, the diaphragm is located the disk seat top, be equipped with first through-hole and second through-hole on the diaphragm, solenoid electric device is last to be equipped with movable iron core, the upper end of second through-hole corresponds the setting with movable iron core, be equipped with the cavity on the disk seat, the lower extreme and the exhalant canal of second through-hole switch on each other through the cavity, the up end of disk seat and diaphragm cooperation, the disk seat is provided with at least one throttle runner on the terminal surface that is close to the diaphragm directly or indirectly, the entrance point and the inhalant canal intercommunication of throttle runner, the exit end and the cavity intercommunication of; when the diaphragm moves upwards, the throttling flow channel is opened, and the water inlet channel and the water outlet channel are communicated with each other all the time through the throttling flow channel. By adopting the scheme, the automatic cleaning device does not need an external self-cleaning mechanism, has a simple structure, and cannot be crystallized and blocked.

Description

Waste water electromagnetic valve

Technical Field

The utility model belongs to the technical field of the solenoid valve and specifically relates to a waste water solenoid valve.

Background

The throttle valve mainly comprises a valve body and a valve core assembly, wherein the valve body is provided with the throttle hole, and the throttle hole is small in size, so that objects such as calcium and magnesium ions in water can be crystallized at the throttle hole to block the throttle hole after long-time use, and therefore dirt or crystals at the throttle hole need to be treated.

The applicant discloses a self-cleaning waste water electromagnetic valve in the invention patent with the patent number of 201410711975.5, which comprises an electromagnetic control mechanism, a valve body and a diaphragm, wherein the valve body is provided with a water inlet channel and a water outlet channel, a valve seat is arranged at the joint of the water inlet channel and the water outlet channel, a water inlet through hole and a water outlet through hole are arranged on the diaphragm, the telescopic rod of the electromagnetic control mechanism is matched with the water outlet through hole to realize the closing and conducting matching between the diaphragm and the valve seat, a mounting through hole is arranged in the valve body and positioned below the valve seat, one side of the mounting through hole is communicated with the water inlet channel, the other side of the mounting through hole is communicated with the water outlet channel, a self-cleaning throttling mechanism is arranged in the mounting through hole, the self-cleaning throttling mechanism comprises a throttling valve core, a spring and a throttling adjusting needle, the, the axial of throttle valve core is provided with the orifice in, and orifice one end link up for the end of intaking with inhalant canal, and the other end link up for the end of water outlet with water outlet through hole, the fixed setting on the valve body of one end of throttle adjusting needle, the other end sets up towards the water outlet end of orifice, spring one end is contradicted on the valve body, and the other end is contradicted on the shoulder of water outlet tip or water outlet end periphery of throttle valve core, and the effect of throttle valve core under water pressure and spring can realize that axial displacement constitutes the plug-in movable fit of throttle adjusting needle and orifice in the mounting through hole, and the throttle valve core can remove in the mounting through hole under hydraulic change like this, makes throttle adjusting needle insert the orifice, and the calcification that condenses in the orifice can be stabbed or stab the pine like this, is difficult to condense to make the orifice can not block up, and. The throttling hole of the throttling valve is dredged and prevented from blocking through an external self-cleaning mechanism, and the throttling hole is complex in structure.

Disclosure of Invention

The utility model overcomes prior art's is not enough, provides a waste water solenoid valve, and it does not need external automatically cleaning mechanism, and simple structure can not crystallize stifled die.

In order to realize the purpose, the utility model discloses a technical scheme is: a waste water electromagnetic valve comprises a valve body, a membrane and an electromagnetic control device, wherein a water inlet channel and a water outlet channel are arranged on the valve body, a valve seat is further arranged in the valve body, the membrane is positioned above the valve seat, a first through hole and a second through hole are formed in the membrane, the aperture of the second through hole is larger than that of the first through hole, a water feeding cavity is formed in the valve body above the membrane, the first through hole is communicated with the water feeding cavity and the water inlet channel, a movable iron core is arranged on the electromagnetic control device and can control the movable iron core to move up and down, the upper end of the second through hole is arranged corresponding to the movable iron core, a cavity is formed in the valve seat, the lower end of the second through hole is communicated with the water outlet channel through the cavity, the upper end face of the valve seat is matched with the membrane, the movable iron core is matched with the second through hole to realize closing and communicating, the inlet end of the throttling flow passage is communicated with the water inlet channel, the outlet end of the throttling flow passage is communicated with the cavity, and when the diaphragm moves downwards, the lower end face of the diaphragm covers the throttling flow passage; when the diaphragm moves upwards, the throttling flow channel is opened, and the water inlet channel and the water outlet channel are communicated with each other all the time through the throttling flow channel.

By adopting the scheme, the electromagnetic control device comprises a return spring and a coil support, a coil is wound on the coil support, a second through hole is positioned in the middle of the diaphragm, a first through hole is positioned on one side close to the water inlet channel, and the aperture of the second through hole is larger than that of the first through hole, so that the diaphragm can conveniently move upwards under the action of water flow; when the water pressure is increased or decreased, the supporting pressure of the valve seat is changed through the rubber diaphragm, the deformation of the diaphragm can change the sectional area of the throttling flow channel, so that the throttling flow changes very little under the water inlet pressure of 0.4-0.8 MPa, and constant-flow throttling is realized.

The utility model discloses a further setting is: the throttling flow channel is directly arranged on the upper end face of the valve seat.

By adopting the scheme, the throttling flow channel can be directly arranged on the upper end face of the vertical partition plate, the structure is simple, and the design is reasonable.

The utility model discloses a further setting is: the valve seat comprises a positioning seat and a flow channel seat, the positioning seat is fixedly or integrally arranged on the valve body, the flow channel seat is arranged above the positioning seat, the flow channel seat is in plug-in fit with the positioning seat, and the throttling flow channel is arranged on the upper end face of the flow channel seat.

By adopting the scheme, the throttling flow channel is arranged on the upper end face of the flow channel seat, the flow channel seat is arranged on the positioning seat in a split mode through inserting, the difficulty of integrated processing is reduced, the flow channel seat is convenient to disassemble and assemble, different throttling flow channels are arranged on different flow channel seats, the flow channel seat can be replaced through the throttling flow channels, and therefore different throttling flow channels can be replaced.

The utility model discloses a further setting is: the throttling flow channel is provided with one throttling flow channel, and the track of the throttling flow channel is arranged along the circumferential direction of the cavity.

By adopting the scheme, the length of the throttling flow channel is longest, the throttling flow channel is arranged along the circumferential direction of the cavity, the space is fully utilized, the longer the throttling flow channel is, the smaller the noise of water flow is, and the design is more reasonable.

The utility model discloses a further setting is: the throttling flow channels are arranged in two or more numbers, each throttling flow channel is distributed at intervals along the circumferential direction of the cavity, and the tracks of the throttling flow channels are arranged in an arc shape.

Through adopting above-mentioned scheme, the throttle runner sets up the multistage, even the length of throttle runner is not long, also can share rivers through the multistage throttle runner, also can play the effect that reduces the rivers noise.

The utility model discloses a further setting is: the throttling flow channel is provided with one or more than one throttling flow channel, and the throttling flow channels are distributed along the radial direction of the cavity.

By adopting the scheme, the length of the throttling flow channel is shortest, the throttling flow channel is convenient to process, a plurality of throttling flow channels can be uniformly arranged along the circumferential direction of the cavity, and the specific number is determined according to actual needs.

The present invention will be further described with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

FIG. 3 is a first structural schematic view of a throttling channel;

FIG. 4 is a schematic view of a split structure of the valve seat;

FIG. 5 is a second schematic view of the throttling channel;

FIG. 6 is a third structural view of the throttling channel;

fig. 7 is a schematic structural view of the flow channel block.

Detailed Description

As shown in fig. 1-7, a waste water solenoid valve comprises a valve body 1, an electromagnetic control device 2 and a membrane 3, wherein the valve body 1 is provided with a water inlet channel 11 and a water outlet channel 12, the valve body 1 is also provided with a valve seat 13, the membrane 3 is positioned above the valve seat 13, the membrane 3 is provided with a first through hole 31 and a second through hole 32, the second through hole 32 is positioned in the middle of the membrane 3, the first through hole 31 is positioned at one side close to the water inlet channel 11, the aperture of the second through hole 32 is larger than that of the first through hole 31, the valve body 1 is provided with a water feeding cavity 15 above the membrane 3, the first through hole 31 conducts the water feeding cavity 15 and the water inlet channel 11, the electromagnetic control device 2 is provided with a movable iron core 21, a coil 22 and a return spring 23, the electromagnetic control device 2 can control the movable iron core 21 to move up and down, the upper end of the second through hole 32 is arranged corresponding to the movable iron core 21, the valve, the cavity 14 is arranged in a cylindrical shape, the upper end face of the valve seat 13 is matched with the diaphragm 3, the movable iron core 21 is matched with the second through hole 32 to realize closing and conducting matching between the valve seat 13 and the diaphragm 3, the valve seat 13 is directly or indirectly provided with at least one throttling flow channel 131 on the end face close to the diaphragm 3, the inlet end 1311 of the throttling flow channel 131 is communicated with the water inlet channel 11, the outlet end 1312 of the throttling flow channel 131 is communicated with the cavity 14, when the diaphragm 3 moves downwards, the lower end face of the diaphragm 3 covers the throttling flow channel 131, and the throttling flow channel 131 enables the water inlet channel 11 and the water outlet channel 12 to be always conducted; when the diaphragm 3 moves upwards, the throttling flow channel 131 is opened, large-flow water can transversely wash the throttling flow channel 131 at the moment, crystals at the throttling flow channel 131 can be washed away, an external self-cleaning mechanism is not needed, the structure is simple, the throttling flow channel 131 cannot be crystallized and blocked, meanwhile, when the water pressure is increased or reduced, the size of the cross section area of the throttling flow channel 131 can be changed through the change of the abutting pressure of the rubber diaphragm to the valve seat, the deformation of the rubber diaphragm can change the size of the cross section area of the throttling flow channel 131, so that the throttling flow changes very little under the water inlet pressure of 0.4-0.8 MPa, and constant-flow throttling.

The throttle channel 131 has two position setting modes:

1. as shown in fig. 3, the throttling flow passage 131 is directly opened at the upper end surface of the valve seat 13;

2. as shown in fig. 4 and 7, the valve seat 13 includes a positioning seat 132 and a flow channel seat 133, the positioning seat 132 is fixed or integrally disposed on the valve body 1, the flow channel seat 133 is located above the positioning seat 132, the flow channel seat 133 is in plug-in fit with the positioning seat 132, and the throttling flow channel 131 is opened at an upper end surface of the flow channel seat 133.

The throttle channel 131 has three shape arrangements:

1. as shown in fig. 5, one throttling flow passage 131 is provided, and the locus of the throttling flow passage 131 is arranged along the circumferential direction of the cavity 14. Thus, the throttling flow channel 131 has the longest length, so that the space is fully utilized, and the longer the throttling flow channel 131 is, the smaller the noise of the water flow is, and the more reasonable the design is.

2. As shown in fig. 3, two or more throttling flow channels 131 are provided, each throttling flow channel 131 is distributed at intervals along the circumferential direction of the cavity 14, the track of the throttling flow channel 131 is arranged in an arc shape, and the throttling flow channel 131 is provided in multiple sections, so that even if the length of the throttling flow channel 131 is not long, water flow can be shared by the multiple sections of throttling flow channels 131, and the effect of reducing water flow noise can be achieved.

3. As shown in fig. 6, one or more throttling channels 131 are provided, and the throttling channels 131 are distributed along the radial direction of the cavity 14, so that the length of the throttling channel 131 is shortest, the processing is convenient, and a plurality of throttling channels 131 can be uniformly provided along the circumferential direction of the cavity 14, and the specific number is determined according to actual needs.

The above embodiments are only preferred embodiments of the present invention, and the general changes and substitutions performed by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.

Claims

1. The utility model provides a waste water solenoid valve, includes valve body, diaphragm and solenoid electric device, be equipped with inlet channel and exhalant canal on the valve body, still be equipped with the disk seat in the valve body, the diaphragm is located the disk seat top, is equipped with first through-hole and second through-hole on the diaphragm, and the aperture of second through-hole is greater than the aperture of first through-hole, and the valve body is equipped with the chamber of intaking in the top of diaphragm, and first through-hole switches on chamber of intaking and inhalant canal, and solenoid electric device is last to be equipped with and to move the iron core and reciprocate, the upper end of second through-hole corresponds the setting with moving the iron core, is equipped with the cavity on the disk seat, the lower extreme and the exhalant canal of second through-hole switch on each other through the cavity, and the up end and the diaphragm cooperation of disk seat move iron core and: the valve seat is directly or indirectly provided with at least one throttling flow channel on the end surface close to the diaphragm, the inlet end of the throttling flow channel is communicated with the water inlet channel, the outlet end of the throttling flow channel is communicated with the cavity, and when the diaphragm moves downwards, the lower end surface of the diaphragm covers the throttling flow channel; when the diaphragm moves upwards, the throttling flow channel is opened, and the water inlet channel and the water outlet channel are communicated with each other all the time through the throttling flow channel.

2. A waste water solenoid valve as claimed in claim 1, wherein: the throttling flow channel is directly arranged on the upper end face of the valve seat.

3. A waste water solenoid valve as claimed in claim 1, wherein: the valve seat comprises a positioning seat and a flow channel seat, the positioning seat is fixedly or integrally arranged on the valve body, the flow channel seat is arranged above the positioning seat, the flow channel seat is in plug-in fit with the positioning seat, and the throttling flow channel is arranged on the upper end face of the flow channel seat.

4. A waste water solenoid valve according to claim 1 or 2, wherein: the throttling flow channel is provided with one throttling flow channel, and the track of the throttling flow channel is arranged along the circumferential direction of the cavity.

5. A waste water solenoid valve as claimed in claim 3, wherein: the throttling flow channel is provided with one throttling flow channel, and the track of the throttling flow channel is arranged along the circumferential direction of the cavity.

6. A waste water solenoid valve according to claim 1 or 2, wherein: the throttling flow channels are arranged in two or more numbers, each throttling flow channel is distributed at intervals along the circumferential direction of the cavity, and the tracks of the throttling flow channels are arranged in an arc shape.

7. A waste water solenoid valve as claimed in claim 3, wherein: the throttling flow channels are arranged in two or more numbers, each throttling flow channel is distributed at intervals along the circumferential direction of the cavity, and the tracks of the throttling flow channels are arranged in an arc shape.

8. A waste water solenoid valve according to claim 1 or 2, wherein: the throttling flow passage is provided with one or more than one throttling flow passage, and the track of the throttling flow passage is distributed along the radial direction of the cavity.

9. A waste water solenoid valve as claimed in claim 3, wherein: the throttling flow channel is provided with one or more than one throttling flow channel, and the throttling flow channels are distributed along the radial direction of the cavity.