CN211080452U

CN211080452U - Improved flushing valve

Info

Publication number: CN211080452U
Application number: CN201921884493.4U
Authority: CN
Inventors: 王新发
Original assignee: Fujian Nan An Ketch Electronic Sensing Equipment Co ltd
Current assignee: Fujian Nan An Ketch Electronic Sensing Equipment Co ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-07-24
Anticipated expiration: 2029-11-04

Abstract

The utility model provides an improved flushing valve with simple structure, low cost and small failure rate, which comprises a valve body, an electromagnetic valve seat and an electromagnetic valve, wherein the valve body is provided with a first water inlet channel and a first water outlet channel, the electromagnetic valve seat is provided with a second water inlet channel and a second water outlet channel, the valve body is provided with a first cavity, a floating core is arranged in the first cavity and between the first water outlet channel, an opening and closing device is arranged between the floating core and the first cavity, the valve body is internally provided with a first fluid channel, the first fluid channel is communicated with the second water inlet channel, a first sealing element is arranged between the first fluid channel and the second water inlet channel, the valve body is also internally provided with a second fluid channel, and the second fluid channel is communicated with the second water outlet channel of the electromagnetic valve seat, and a second sealing element is arranged between the second fluid channel and the second water outlet channel.

Description

Improved flushing valve

Technical Field

The utility model relates to a valve field, in particular to improved generation flashing valve.

Background

In daily life, a pipeline connecting piece is used everywhere in a toilet, wherein a flushing valve is an important connecting piece for connecting a water way in a toilet bowl. As shown in fig. 1, a common flush valve on the market includes a valve body 1 'having a water inlet channel 2' and a water outlet channel 3', a first chamber 21' and a second chamber 31 'are formed in the valve body 1', the first chamber 21 'has a first fluid channel 6' communicated with the water inlet channel 2 'and a second fluid channel 12' connected with the second chamber 31', a diaphragm 8' having a third fluid channel 10 'is disposed in the first chamber 21' and the third fluid channel 10 'is communicated with the second fluid channel 12', a solenoid valve 5 'cover 4' for sealing the first chamber 21 'is further provided, a fourth fluid channel 7' communicated with the first fluid channel 6 'is provided on the solenoid valve 5' cover 4', a fifth fluid channel 11' is further provided in communication with the diaphragm 8', a solenoid valve 5' cover 4 'is provided with a solenoid valve 5' for controlling the opening and closing of the fourth fluid channel 7 'and the fifth fluid channel 11', a first return spring 9 'is further arranged between the diaphragm 8' and the cover 4 'of the electromagnetic valve 5', a floating core 16 'for blocking the water flow of the water inlet channel 2', a sealing cover 13 'for sealing the second chamber 31' and a second return spring 14 'are arranged in the second chamber 31', the second return spring 14 'is arranged between the floating core 16' and the sealing cover 13', and a sixth fluid channel 15' communicated with the water outlet of the valve body 1 'is further arranged on the floating core 16'. Although it can control the water outlet of the flushing valve through the electromagnetic valve switch, but also has the following disadvantages: 1. be equipped with diaphragm, first reset spring and solenoid valve lid in the first cavity, the structure is complicated, leads to product manufacturing cost to be high, is unfavorable for the popularization of product. And the diaphragm and the first return spring are easily damaged, so that the maintenance cost of the flush valve is increased, and the use cost of a user is increased.

2. When water flows into the electromagnetic valve cover and the diaphragm, sundries in the water flow easily block the third fluid flow channel on the diaphragm, so that the flushing valve breaks down, the flushing valve needs to be cleaned or replaced, the maintenance cost is further increased, and the use of a user is not facilitated.

3. The valve body is provided with the first cavity and the second cavity, so that the production cost is higher when the mold is opened for casting.

SUMMERY OF THE UTILITY MODEL

Therefore, to the above-mentioned problem, the utility model provides an improved generation flashing valve that simple structure, with low costs, fault rate are little.

In order to realize the technical problem, the solution adopted by the utility model is that the improved flushing valve comprises a valve body, an electromagnetic valve seat arranged on the valve body and an electromagnetic valve arranged on the electromagnetic valve seat, wherein the valve body is provided with a first water inlet channel and a first water outlet channel, the electromagnetic valve seat is provided with a second water inlet channel and a second water outlet channel, the valve body is provided with a first cavity communicated with the first water inlet channel and the second water outlet channel, a floating core is arranged between the first cavity and the first water outlet channel, an opening and closing device for opening and closing the first water inlet channel and the first water outlet channel is arranged between the floating core and the first cavity, the valve body is internally provided with a first fluid channel communicated with the first cavity, the first fluid channel penetrates out of the valve body, the first fluid channel is communicated with the second water inlet channel of the electromagnetic valve seat, the electromagnetic valve is characterized in that a first sealing element is arranged between the first fluid channel and the second water inlet channel, a second fluid channel communicated with the first water outlet channel is further formed in the valve body and penetrates out of the valve body, the second fluid channel is communicated with the second water outlet channel of the electromagnetic valve seat, and a second sealing element is arranged between the second fluid channel and the second water outlet channel.

The further improvement is that: the opening and closing device comprises a return spring, the floating core is provided with a third fluid channel communicated with the first cavity and the first water inlet channel, the return spring is arranged between the valve body and the floating core, and the floating core is further provided with a third sealing element used for sealing the water outlet channel. The further improvement is that: the upper end part of the first cavity is communicated with the outside, the upper end part of the first cavity is provided with a sealing cover through a threaded connection cover, and a fourth sealing element is arranged between the sealing cover and the valve body.

The further improvement is that: the sealing cover is provided with a limiting rod used for limiting the upward sliding distance of the floating core, the limiting rod penetrates through the reset spring, and the limiting rod can be abutted against the floating core to limit the upward sliding distance of the floating core.

The further improvement is that: the valve body is provided with a first water inlet channel communicated with a second water inlet channel on the electromagnetic valve seat, the electromagnetic valve seat is arranged on the mounting seat, the mounting seat is provided with a third water inlet channel communicated with the second water inlet channel on the electromagnetic valve seat and communicated with the first fluid channel, the mounting seat is further provided with a third water outlet channel communicated with the second water outlet channel on the electromagnetic valve seat and communicated with the third fluid channel, and a fifth sealing element is arranged between the electromagnetic valve seat and the mounting seat.

The further improvement is that: the valve comprises a valve body, and is characterized in that a second cavity is formed in the valve body, one end of the second cavity is provided with a water inlet communicated with a first water inlet channel, the other end of the second cavity is communicated with the outside, and a filter screen is arranged in the water inlet through a positioning device.

The further improvement is that: the positioning device comprises a positioning seat provided with a water outlet, an elastic piece is arranged on the filter screen in a surrounding mode, the positioning seat penetrates through the second cavity, the bottom of the positioning seat is abutted to the elastic piece to position the filter screen in the water inlet, the upper end portion of the positioning seat is connected with the valve body through threads to seal the second cavity, and a sixth sealing piece is arranged between the positioning seat and the valve body.

The further improvement is that: the valve body is located the water inlet has seted up the spacing groove, the elastic component is located the spacing groove.

The further improvement is that: the filter screen is the hemisphere filter screen.

By adopting the technical scheme, the beneficial effects of the utility model are that: 1. the structure is simple, the water path is also simple, the use of the membrane is reduced, and the production cost is reduced. Meanwhile, the blocking of the diaphragm is avoided, the failure rate of the flushing valve is reduced, and the maintenance cost is reduced.

2. The electromagnetic valve is arranged outside the valve body, so that the process of opening the electromagnetic valve is reduced, the mold opening cost is reduced, the casting cost is reduced, and the popularization of products is facilitated.

3. The mounting seat enables the drain valve to be suitable for solenoid valves on the market, so that the drain valve is more universal. And the electromagnetic valve seat are convenient to detach, maintain, replace and clean.

4. The inside filter screen that is equipped with of valve body can stop outside impurity to get into inside the flashing valve, prevents that it from blockking up the passageway, reduces the fault rate of flashing valve, reduces cost of maintenance, improves user's use and experiences and feel. And open the positioning seat, just can take out the filter screen and wash or change, simple and convenient, the user can handle by oneself. Not only has strong operability, but also can be recycled. Compared with the traditional flush valve, once the flush valve is blocked, a professional needs to disassemble the flush valve for cleaning, so that the flush valve is convenient to clean, and the maintenance cost is reduced.

6. The limiting rod on the sealing cover can limit the upward sliding distance of the floating core, so that the floating core can just open the water outlet channel, and can rapidly slide downwards to seal the channel when the water outlet channel is closed, thereby reducing the downward sliding sealing time. Meanwhile, the third sealing ring on the floating core can be protected, the third sealing ring is prevented from colliding with the valve body in the upward sliding process, the service life of the third sealing ring is prolonged, the service life of the floating core is prolonged, and the maintenance cost is reduced.

Drawings

Fig. 1 is a schematic view of a prior art water pumping valve of the background art of the present invention.

Fig. 2 is a schematic sectional view of an improved flush valve according to an embodiment of the present invention.

Fig. 3 is a side view partially cut-away structure schematic diagram of an improved flush valve according to an embodiment of the present invention.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings and specific embodiments.

Example (b):

referring to fig. 2-3 the embodiment of the present invention discloses an improved flush valve, including a valve body 1, a mounting seat 14 disposed on the valve body 1 through a screw lock, an electromagnetic valve seat 15 disposed on the mounting seat 14, and an electromagnetic valve 16 disposed on the electromagnetic valve seat 15, wherein a first water inlet channel 2 and a first water outlet channel 3 are disposed on the valve body 1, a second water inlet channel 151 and a second water outlet channel 152 are disposed on the electromagnetic valve seat 15, a first chamber 31 communicated with the first water inlet channel 2 and the first water outlet channel 3 is disposed on the valve body 1, a third water inlet channel 141 communicated with the second water inlet channel 151 on the electromagnetic valve seat 15 is disposed on the mounting seat 14, a third water outlet channel (not shown in the figure) communicated with the second water outlet channel 152 on the electromagnetic valve seat 15 is further disposed on the mounting seat 14, a fifth sealing ring (not shown in the figure) is disposed between the electromagnetic valve seat 15 and the mounting seat 14 to prevent electromagnetic valve from being damaged The water leakage between the valve seat 15 and the mounting seat 14, a first fluid channel 8 communicated with the first chamber 31 is arranged in the valve body 1, the first fluid channel 8 penetrates out of the valve body 1, the first fluid channel 8 is communicated with a third water inlet channel 141 of the mounting seat 14, a first sealing ring (not shown in the figure) is arranged between the first fluid channel 8 and the third water inlet channel 141, a second fluid channel 9 communicated with the first water outlet channel 3 is also arranged in the valve body 1, the second fluid channel 9 penetrates out of the valve body 1, the second fluid channel 9 is communicated with the third water outlet channel of the mounting seat 14, a second sealing ring (not shown in the figure) is arranged between the second fluid channel 9 and the third water outlet channel, and the first sealing ring and the second sealing ring respectively prevent the water leakage between the mounting seat 14 and the valve body 1, the upper end part of the first cavity 31 is communicated with the outside, the upper end part of the first cavity 31 is covered with a sealing cover 5 through threaded connection, a fourth sealing ring 51 is arranged between the sealing cover 5 and the valve body 1 and used for preventing the sealing cover 5 from leaking water, a floating core 4 is arranged between the first cavity 31 and the first water outlet channel 3 in a sliding manner up and down, the lower end part of the floating core 4 is arranged in the first water outlet channel 3 to seal the first water outlet channel 3, the upper end part of the floating core 4 is arranged in the first cavity 31, the floating core 4 is provided with a third fluid channel 17 communicating the first cavity 31 and the first water inlet channel 2, a reset spring 7 is arranged between the sealing cover 5 and the floating core 4, the floating core 4 is also provided with a third sealing ring 41 for sealing the first water outlet channel 3 to ensure the sealing of the first water outlet channel 3, the sealing cover 5 is provided with a limiting rod 6 for limiting the upward sliding distance of the floating core 4, the limiting rod 6 penetrates through the reset spring 7, and the limiting rod 6 can abut against the floating core 4 to limit the upward sliding distance of the floating core 4. When the flush valve is opened, the electromagnetic valve 16 is electrified to work to enable the second water inlet channel 151 and the second water outlet channel 152 to be communicated, the water path is connected, water flows into the flush valve from the first water inlet channel 2, then flows into the third fluid channel 17 of the floating core 4 from the first water inlet channel 2, enters the first fluid channel 8 in the first chamber 31 and the valve, then flows into the third water inlet channel 141 of the mounting seat 14 from the first fluid channel 8 in the valve, flows into the second water inlet channel 151 of the electromagnetic valve seat 15, and then flows into the second fluid channel 9 in the valve from the second water outlet channel 152 of the electromagnetic valve seat 15, and then enters the first water outlet channel 3. At this time, the pressure in the first chamber 31 is reduced, and under the action of the water flow, the floating core 4 is pushed to slide upwards and the return spring 7 is compressed, so that the first water outlet channel 3 is communicated with the first water inlet channel 2, and the water flow flows into the first water outlet channel 3 from the first water inlet channel 2 to be discharged. When the flush valve is closed, the solenoid valve 16 is de-energized and closed, the second water inlet passage 151 is cut off from the second water outlet passage 152, and the water path is interrupted. The water flow flows into the flush valve from the first water inlet channel 2, then flows into the third fluid channel 17 of the floating core 4 from the first water inlet channel 2, enters the first chamber 31 and the first fluid channel 8 in the valve, and then flows into the third water inlet channel 141 of the mounting seat 14 from the first fluid channel 8 in the valve, and flows into the second water inlet channel 151 of the electromagnetic valve seat 15, so that the water flow is interrupted, the pressure of the water pressure in the first chamber 31 is equal to the pressure of the first water inlet pipe, and the return spring 7 elastically returns to push the floating core 4 to slide downwards, so that the first water outlet channel 3 is sealed, and the flush valve is closed and does not discharge water. The flush valve is simple in structure and waterway, and compared with the flush valves on the market, the use of the membrane is reduced, and the production cost is reduced. Meanwhile, the blocking of the diaphragm is avoided, the failure rate of the flushing valve is reduced, and the maintenance cost is reduced. And the electromagnetic valve 16 is arranged outside the valve body 1, so that the process of opening the die of the electromagnetic valve 16 is reduced, the die opening cost is reduced, the casting cost is reduced, and the popularization of products is facilitated. The mounting 14 enables the valve to be fitted to a solenoid valve 16 on the market, making it more versatile. And the solenoid valve 16 and the solenoid valve seat 15 are convenient to detach, maintain, replace and clean. The limiting rod 6 on the sealing cover 5 can limit the upward sliding distance of the floating core 4, so that the floating core 4 can open the water outlet channel properly, and can rapidly slide downwards to seal the channel when the water outlet channel is closed, thereby reducing the downward sliding sealing time. Meanwhile, the third sealing ring 41 on the floating core 4 can be protected, the third sealing ring 41 is prevented from colliding with the valve body 1 in the upward sliding process, the service life of the third sealing ring 41 is prolonged, the service life of the floating core 4 is prolonged, and the maintenance cost is reduced.

In order to reduce the blockage of each channel and parts in the flush valve, a second cavity 21 is arranged on the valve body 1, one end of the second cavity 21 is provided with a water inlet communicated with the first water inlet channel 2, a hemispherical filter screen 10 penetrates through the water inlet, an elastic ring 11 is arranged on the filter screen 10 in a surrounding manner, a limiting groove 12 is arranged at the water inlet of the valve body 1, the elastic piece is arranged in the limiting groove 12, the limiting groove 12 facilitates the filter screen 10 to be installed and is used for limiting the movement of the filter screen 10, the other end of the second cavity 21 is communicated with the outside, a positioning seat 13 is arranged in the second cavity 21 in a penetrating manner, the positioning seat 13 is provided with a water outlet for water flow to pass through, the bottom of the positioning seat 13 is abutted against the elastic ring 11 to position the filter screen 10 in the water inlet, and the upper end part of the positioning seat 13 is connected with the valve body, a sixth sealing ring 131 is disposed between the positioning seat 13 and the valve body 1 to prevent water leakage from the second chamber 21. The filter screen 10 is arranged in the first water inlet channel 2, so that impurities in water flow can be prevented from entering the flushing valve, the blocking of the channel and parts is prevented, the fault rate of the flushing valve is reduced, the maintenance cost is reduced, and the use experience of a user is improved. And open positioning seat 13, just can take out filter screen 10 and wash or change, simple and convenient, the user can handle by oneself. Not only has strong operability, but also can be recycled. Compared with the traditional flush valve, once the flush valve is blocked, a professional needs to disassemble the flush valve for cleaning, so that the flush valve is convenient to clean, and the maintenance cost is reduced.

Having shown and described the basic principles and essential features of the invention and its advantages, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but is susceptible to various changes and modifications without departing from the spirit and scope of the invention, all of which are intended to be covered by the appended claims and their equivalents.

Claims

1. The utility model provides an improved generation flashing valve, includes the valve body, locates the solenoid valve seat on the valve body and locates the solenoid valve on the solenoid valve seat, first inhalant canal and first exhalant canal have been seted up on the valve body, second inhalant canal and second exhalant canal have been seted up on the solenoid valve seat, set up the first cavity that is linked together with first inhalant canal and second exhalant canal on the valve body, be equipped with the floating core in the first cavity and between the first exhalant canal, be equipped with the headstock gear that is used for opening and close first inhalant canal and first exhalant canal between floating core and the first cavity, its characterized in that: the valve is characterized in that a first fluid channel communicated with the first cavity and penetrating out of the valve body are arranged in the valve body, the first fluid channel is communicated with a second water inlet channel of the electromagnetic valve seat, a first sealing element is arranged between the first fluid channel and the second water inlet channel, a second fluid channel communicated with the first water outlet channel and penetrating out of the valve body are further arranged in the valve body, the second fluid channel is communicated with a second water outlet channel of the electromagnetic valve seat, and a second sealing element is arranged between the second fluid channel and the second water outlet channel.

2. An improved flush valve as defined in claim 1, wherein: the opening and closing device comprises a return spring, the floating core is provided with a third fluid channel communicated with the first cavity and the first water inlet channel, the return spring is arranged between the valve body and the floating core, and the floating core is further provided with a third sealing element used for sealing the water outlet channel.

3. An improved flush valve as defined in claim 2, wherein: the upper end part of the first cavity is communicated with the outside, the upper end part of the first cavity is provided with a sealing cover through a threaded connection cover, and a fourth sealing element is arranged between the sealing cover and the valve body.

4. An improved flush valve as defined in claim 3, wherein: the sealing cover is provided with a limiting rod used for limiting the upward sliding distance of the floating core, the limiting rod penetrates through the reset spring, and the limiting rod can be abutted against the floating core to limit the upward sliding distance of the floating core.

5. An improved flush valve as defined in claim 1, wherein: the valve body is provided with a first water inlet channel communicated with a second water inlet channel on the electromagnetic valve seat, the electromagnetic valve seat is arranged on the mounting seat, the mounting seat is provided with a third water inlet channel communicated with the second water inlet channel on the electromagnetic valve seat and communicated with the first fluid channel, the mounting seat is further provided with a third water outlet channel communicated with the second water outlet channel on the electromagnetic valve seat and communicated with the third fluid channel, and a fifth sealing element is arranged between the electromagnetic valve seat and the mounting seat.

6. An improved flush valve as defined in claim 1, wherein: the valve comprises a valve body, and is characterized in that a second cavity is formed in the valve body, one end of the second cavity is provided with a water inlet communicated with a first water inlet channel, the other end of the second cavity is communicated with the outside, and a filter screen is arranged in the water inlet through a positioning device.

7. An improved flush valve as defined in claim 6, wherein: the positioning device comprises a positioning seat provided with a water outlet, an elastic piece is arranged on the filter screen in a surrounding mode, the positioning seat penetrates through the second cavity, the bottom of the positioning seat is abutted to the elastic piece to position the filter screen in the water inlet, the upper end portion of the positioning seat is connected with the valve body through threads to seal the second cavity, and a sixth sealing piece is arranged between the positioning seat and the valve body.

8. An improved flush valve as defined in claim 7, wherein: the valve body is located the water inlet has seted up the spacing groove, the elastic component is located the spacing groove.

9. An improved flush valve according to any one of claims 6, 7 or 8, wherein: the filter screen is the hemisphere filter screen.