CN206693347U - A kind of flushing toilet lid with self-cleaning function - Google Patents

Abstract

The utility model discloses a kind of flushing toilet lid with self-cleaning function, including seat ring, cover plate, the rear portion of seat ring is provided with housing, housing is built with pressure reducing flow stable valve, i.e. hot component, solenoid directional control valve, switch valve, rinsing module, self-cleaning pipe and control panel, solenoid directional control valve is provided with first port, second port and the 3rd port, the outside water inlet pipe of intake tunnel connection of pressure reducing flow stable valve, the exhalant canal connection of pressure reducing flow stable valve is the water inlet of hot component, i.e. hot component delivery port connects the first port, the water inlet of switch valve connects the second port, 3rd port connects the water inlet of self-cleaning pipe；Rinsing module includes flush pipe, and scalable Flushing nozzle is housed in flush pipe；The delivery port connection flush pipe of switch valve；When solenoid directional control valve is powered, the first port is connected with the 3rd port, and when solenoid directional control valve powers off, the first port is connected with second port；Self-cleaning pipe is used to clean Flushing nozzle, and control panel control is hot component and solenoid directional control valve work.The utility model can clean to Flushing nozzle, moreover it is possible to improve the security and comfortableness of flushing.

Description

A kind of flushing toilet lid with self-cleaning function

Technical field

It the utility model is related to toilet lid manufacturing technology field, especially a kind of flushing toilet lid with self-cleaning function.

Background technology

Existing flushing toilet lid is all washed using Flushing nozzle water spray progress stern and washed with woman.In order to improve relaxing for flushing Adaptive, in toilet lid is rinsed can install heater block heats to the water of flushing, is rinsed to export hot water.Mesh Before, in order to reduce toilet lid back volume, heater block is all using the larger i.e. thermal part of heating tube power.This flushing closestool Lid can have following problem in actual use, first, after Flushing nozzle uses a period of time, water jet is easy because of dirt Block, reduce the reliability of flushing；Second, i.e. before thermal part work, the water temperature in pipeline is relatively low, and the water temperature for starting to rinse is colder, Influence the comfortableness rinsed；Third, at once thermal part frequent movement when, i.e., the waste heat of electric heating tube can to manage again in thermal part Water temperature in road is higher, and the water temperature for starting to rinse will be higher, easily scalds people.

Utility model content

The technical problems to be solved in the utility model is to provide a kind of flushing toilet lid with self-cleaning function, and it can liquidate Wash shower nozzle to be cleaned, it is ensured that the reliability of flushing action, moreover it is possible to improve the security and comfortableness of flushing.

To reach above-mentioned purpose, the technical solution of the utility model is：A kind of flushing toilet lid with self-cleaning function, bag Include seat ring, cover plate and housing, the rear portion of seat ring and cover plate is hinged on housing, housing is built with pressure reducing flow stable valve, i.e. hot component, Solenoid directional control valve, switch valve, rinsing module, self-cleaning pipe and control panel, pressure reducing flow stable valve are provided with intake tunnel and exhalant canal, electricity Magnetic reversal valve is provided with first port, second port and the 3rd port, and switch valve is provided with a water inlet and at least one delivery port, Self-cleaning pipe is provided with a water inlet and at least one delivery port, and rinsing module includes an at least flush pipe, is equipped with flush pipe Telescopic Flushing nozzle, flush pipe are provided with water inlet；

The outside water inlet pipe of intake tunnel connection of pressure reducing flow stable valve, the exhalant canal of pressure reducing flow stable valve are by pipeline communication The water inlet of hot component, i.e., hot component delivery port pass through the first port of pipeline communication solenoid directional control valve, the water inlet of switch valve By the second port of pipeline communication solenoid directional control valve, water inlet that the 3rd port of solenoid directional control valve passes through the self-cleaning pipe of pipeline communication Mouthful, the water inlet that the delivery port of switch valve passes through flush pipe described in pipeline communication；

The self-cleaning pipe is arranged on above the Flushing nozzle, when the Flushing nozzle does not work, the delivery port of self-cleaning pipe It is directed at the water jet of Flushing nozzle；When the solenoid directional control valve is powered, the first port is connected with the 3rd port, and electromagnetism changes When being powered off to valve, the first port is connected with second port；Control panel judgement be hot component have current by when control i.e. Hot component heating output hot water；Control panel judge the i.e. hot component have current by while first connect electromagnetism by setting time Then reversal valve power supply cuts off solenoid directional control valve power supply again.

It is preferred that the switch valve is provided with two delivery ports, rinsing module includes two flush pipes, is equipped with every flush pipe A piece telescopic Flushing nozzle, every flush pipe are provided with a water inlet；Two delivery ports on switch valve pass through respectively Water inlet in two pipeline communications, two flush pipes, a knob is housed on switch valve, turn knob can be in switch valve Closed mode makes the water inlet of switch valve be connected with a delivery port thereon；The self-cleaning pipe is provided with two delivery ports, Two delivery ports on self-cleaning pipe correspond to the water jet of two Flushing nozzles respectively.

It is preferred that the housing includes mounting base and case, case mutually fastens or passed through clamping with mounting base by screw Mode phase clamping；The rear portion of case and seat ring and cover plate is hinged.

It is preferred that the pressure reducing flow stable valve includes valve body, valve element, the intake tunnel and exhalant canal are arranged on valve body, valve Intracoelomic cavity is divided into high pressure chest and low pressure chamber, high pressure chest connection intake tunnel, low pressure chamber connection exhalant canal, interlayer by an interlayer It is provided with the first intercommunicating pore, the first intercommunicating pore connection high pressure chest and low pressure chamber；Valve element is in low pressure through first intercommunicating pore one end Chamber, the other end are in high pressure chest；One diaphragm is housed, valve element one end is connected diaphragm, and diaphragm is away from high on the valve body of low pressure chamber side Chamber side is pressed to connect a stage clip；The valve body of high pressure chest side is provided with a cavity, and the valve element other end inserts the cavity, and valve element is another Sealing ring is provided between one end lateral surface and the cavity medial surface；Valve element is provided with the second intercommunicating pore, the connection of the second intercommunicating pore The low pressure chamber and the cavity bottom；Interlayer is in high pressure chest side and the sealing gasket that is connected on the periphery of the first intercommunicating pore, The part that valve element is in high pressure chest is provided with a shoulder, when pressure rise to the setting value of low pressure chamber, the hydraulic drives of low pressure chamber The diaphragm and elastic force for being transferred to the cavity through the second intercommunicating pore and then overcoming the stage clip promotes valve element to the sidesway of low pressure chamber one Move to the shoulder end face push down the sealing gasket when, first intercommunicating pore is closed.This pressure reducing flow stable valve has cut-off Valve function, water inlet end high pressure can be isolated, the flexible pipe and joint of protection pressure reducing flow stable valve rear end, simplify and rinse cover structure, Reduce the manufacturing cost for rinsing toilet lid.

Further improve, the interlayer is in high pressure chest side and is outward extended with the first ring on the periphery of the first intercommunicating pore Shape is raised, and the gasket ring is around the first annular projection, and the thickness of the sealing gasket is less than described first annular raised Highly, the end face that the shoulder is engaged with the sealing gasket is provided with annular groove, and the first annular projection can stretch into institute State annular groove, when first annular projection stretches into the annular groove, the annular groove inner peripheral surface with it is described first annular convex Gap is left between the outer peripheral face risen.Sealing gasket had both so been prevented by water under high pressure crimp or had been gone out, and and can is preferably adjusted The water of high pressure chest enters the overflow section of low pressure chamber, plays a part of more preferable decompression and current stabilization.

Further, the annular groove inner peripheral surface is provided with the first chamfering, institute close to described first annular raised one end State first annular raised inner peripheral surface and be provided with the second chamfering close to described annular groove one end；First chamfering can play correcting, the Two chamferings facilitate water to flow through the first intercommunicating pore；

The junction that the valve body medial surface is in high pressure chest side with the interlayer is interval with multiple convex tendons, convex tendon Highly it is less than the first annular raised height.It is not in place can to prevent that sealing gasket from installing by multiple convex tendons.

It is preferred that second intercommunicating pore includes being located at valve element and be in the first radial direction through hole of low pressure cavity segment and be located at valve element An axial hole on the U-lag of high pressure chest end one and the valve element of the first radial direction through hole of connection and U-lag.

It is preferred that the valve body includes valve body, the first lid and the second lid, the intake tunnel and exhalant canal are located at On valve body, the interlayer is located in the middle part of valve body inner chamber, and the first lid is connected valve body one end, and the second lid is connected valve body The other end, the first lid form the low pressure chamber with the interlayer side and valve body inwall, and the second lid and the interlayer are another Side and valve body inwall form the high pressure chest, and the diaphragm is clipped between the first lid and valve body one end, the stage clip Between the first lid and diaphragm.

Further improve, the diaphragm on both sides of the middle is lined with metallic gasket, valve element one end through two metallic gaskets and Diaphragm is simultaneously rotary with a locking nut, screws locking nut and valve element one end and two metallic gaskets and diaphragm are fixed together, A through hole is provided among the first lid outer face, spin an adjusting nut on through hole, and described stage clip one end is against one On metallic gasket, the other end is against on adjusting nut；The elastic force of stage clip is can adjust by rotating adjusting nut, it is whole in order to adjust The running parameter of individual pressure reducing flow stable valve.

The edge of the metallic gasket is outward extended with flange, and the interlayer is in low pressure chamber side and is provided with multiple projections, Stage clip is limited when the flange of metallic gasket in low pressure chamber is in contact with the projection and continues to drive diaphragm to high pressure chest side Mobile, the space between adjacent projections forms water passage.Diaphragm so can be preferably protected, prevents the transition deformation of diaphragm. Also ensure that water can flow out from exhalant canal.

Further improve, second lid is extended with the second annular protrusion, the second annular to close to the interlayer side Push down the sealing gasket in raised end face；The outer small stairstepping shrinkage pool of imperial palace is formed among second annular protrusion, stairstepping shrinkage pool Aperture portion forms the cavity, and the second annular protrusion is provided with the second radial direction of multiple connection stairstepping shrinkage pool macroperforations Hole, at least one second radial hole correspond to the intake tunnel.It is close can so to prevent that water under high pressure from extruding around sealing gasket back Packing.

When the utility model is due to opening switch valve, then control panel first can connect solenoid directional control valve power supply by setting time Solenoid directional control valve power supply is cut off again.Water so in pipeline can first access self-cleaning pipe, then be liquidated by the delivery port of self-cleaning pipe The water jet for washing shower nozzle is cleaned automatically, prevents the water jet of Flushing nozzle from blocking, and improves the flushing reliability of Flushing nozzle. On the other hand, when just starting action, as water temperature is relatively low in pipeline, the water of the relatively low water temperature in this part is used to clean Flushing nozzle, no Flushing can be caused uncomfortable, then again water outlet when, water temperature is suitable, just can improve the comfortableness of flushing；As when water temperature is higher in pipeline, The water of the higher water temperature in this part is used to clean Flushing nozzle, avoids scalding people, can improve the security of flushing.In addition, this reality With new operation once can be also rinsed in powering-off state.

Brief description of the drawings

Fig. 1 is the utility model stereogram；

Fig. 2 is the utility model sectional perspective exploded view；

Fig. 3 is enlarged drawing at Fig. 2 A；

Fig. 4 is the stereogram of pressure reducing flow stable valve；

Fig. 5 is pressure reducing flow stable valve three-dimensional exploded view；

Fig. 6 is pressure reducing flow stable valve top view；

Fig. 7 is that pressure reducing flow stable valve does not enter water state and along Fig. 6 B-B sectional views；

Fig. 8 is pressure reducing flow stable valve water inlet working condition and along Fig. 6 B-B sectional views；；

Fig. 9 is pressure reducing flow stable valve exhalant canal closed mode and along Fig. 6 B-B sectional views；

Figure 10 is the stereogram of the valve body of pressure reducing flow stable valve；

Figure 11 is the axial sectional view of the valve body of pressure reducing flow stable valve；

Figure 12 is the stereogram of the valve element of pressure reducing flow stable valve；

Figure 13 is the axial sectional view of the valve element of pressure reducing flow stable valve；

Figure 14 is the stereogram of the second lid of pressure reducing flow stable valve；

Figure 15 is the axial sectional view of the second lid of pressure reducing flow stable valve；

Figure 16 is the front view of solenoid directional control valve；

Figure 17 is solenoid directional control valve unpowered state and along Figure 16 C-C sectional views；

Figure 18 is solenoid directional control valve "on" position and along Figure 16 C-C sectional views；

Figure 19 is the axial sectional view of self-cleaning pipe.

Embodiment

The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.

Shown in Fig. 1 to Figure 19, a kind of flushing toilet lid with self-cleaning function, including seat ring 10, cover plate 20 and housing 30, The rear portion of seat ring 10 and cover plate 20 is hinged on housing 30, and the housing 30 includes mounting base 301 and case 302, seat ring 10 Specifically it is hinged with the rear portion of cover plate 20 with the case 302 on housing 30, case 302 is mutually solid by screw with mounting base 301 It is tight or pass through snap fit phase clamping；During installation, mounting base 301 is connected in ceramic bowl.

Equipped with pressure reducing flow stable valve 40, i.e., hot component 50, solenoid directional control valve 60, switch valve on the mounting base 301 of housing 30 70th, rinsing module 80, self-cleaning pipe 90 and control panel 100, pressure reducing flow stable valve 40 are provided with intake tunnel 14 and exhalant canal 15, electromagnetism Reversal valve 60 is provided with first port 601, the port 603 of second port 602 and the 3rd, and switch valve 70 is provided with a water inlet and two Delivery port, self-cleaning pipe 90 are provided with a water inlet 901 and two delivery ports 902, and rinsing module 80 includes two flush pipes 801, A piece telescopic Flushing nozzle 802 is housed, every flush pipe 801 is provided with a water inlet in every flush pipe 801；

The intake tunnel 14 of pressure reducing flow stable valve 40 connects outside water inlet pipe, and the exhalant canal 15 of pressure reducing flow stable valve 40 passes through pipe Road connection is the water inlet of hot component 50, i.e., the first port that the hot delivery port of component 50 passes through pipeline communication solenoid directional control valve 60 601, the water inlet of switch valve 70 is by the second port 602 of pipeline communication solenoid directional control valve 60, and the 3rd of solenoid directional control valve 60 the Port 603 passes through pipeline communication two respectively by the water inlet 901 of the self-cleaning pipe 90 of pipeline communication, two delivery ports of switch valve 70 The water inlet of flush pipe 801 described in root；

The self-cleaning pipe 90 is arranged on above the Flushing nozzle 802, when the Flushing nozzle 802 does not work, self-cleaning pipe Two delivery ports 902 on 90 are respectively aligned to the water jet on two Flushing nozzles 802；When the solenoid directional control valve 60 is powered, The first port 601 is connected with the 3rd port 603, when solenoid directional control valve 60 powers off, the end of first port 601 and second Mouth 602 is connected；The judgement of control panel 100 be hot component 50 have current by when i.e. hot component 50 heating of control export hot water；Control Making sheet 100 judge the i.e. hot component 50 have current by while first by setting time（Time may be set to the 5-8 seconds）Connect Then the power supply of solenoid directional control valve 60 cuts off the power supply of solenoid directional control valve 60 again.

The switch valve 70 is the reversal valve of Mechanical course, and be connected a knob 701 on the valve element of switch valve 70, rotation rotation Button 701 can make valve element be in three positions, and switch valve 70 has three kinds of working conditions, that is, turn knob 701 is in valve element First position and when being closed switch valve 70, two Flushing nozzles 802 of rinsing module 80 do not work；Rotation rotation When button 701 makes valve element be in the second place and the water inlet of switch valve 70 is connected with one of delivery port, i.e. switch valve 70 During in the first open mode, hydraulic pressure can drive a Flushing nozzle 802 of rinsing module 80 to extend out to the centre of seat ring 10 It is rinsed, is such as washed available for stern；Turn knob 701 valve element is in the 3rd position and make the water inlet of switch valve 70 with addition During one delivery port connection, i.e., when switch valve 70 is in second of open mode, hydraulic pressure can drive another of rinsing module 80 The centre that Flushing nozzle 802 extend out to seat ring 10 is rinsed, and is such as washed available for woman.

The electric heating tube that i.e. hot component 50 includes an inner chamber and is arranged in inner chamber, i.e., hot component 50 are intake at it One flow sensor, flow sensor electrical connection control panel 100 are set at mouthful, once switch valve 70 is opened, flow sensor Flow will have been detected and this signal is transferred to control panel 100, control panel 100 just can turn on the electricity in i.e. hot component 50 Heating tube power supply is begun to warm up, while control panel 100 also can turn on the power supply several seconds of solenoid directional control valve 60（Such as the 5-8 seconds, the time can be with Preset）Cut off the power supply of solenoid directional control valve 60 again afterwards.So that the water being just switched on enters spray of the self-cleaning pipe 90 to Flushing nozzle 802 The mouth of a river is cleaned, and to prevent the colder discomfort for giving people to bring of the water temperature of firm water outlet, or frequently water outlet prevents the water temperature of firm water outlet Higher scald people.

Figure 16 to Figure 18 is it is further described that the solenoid directional control valve 60 also includes valve body 604, magnet coil 605, iron core 606th, chock plug 607 and spring 608, the first port 601 of solenoid directional control valve 60, the port 603 of second port 602 and the 3rd are arranged on On valve body 604, in the centre bore of magnet coil 605, the one end of iron core 606 is connected chock plug 607, separately for iron core 606 and spring 608 One end connecting spring 608.When magnet coil 605 is not powered on, as shown in figure 17, spring 608 promotes iron core 606 to move forward, iron core 606 drive chock plugs 607 block the passage of the 3rd port 603, and now first port 601 is connected with second port 602；Work as electromagnetism When coil 605 is powered, as shown in figure 18, after suction caused by magnet coil 605 overcomes the elastic force of spring 608 to cause iron core 606 Contracting, the drive chock plug 607 of iron core 606 block the passage of second port 602, and now first port 601 is connected with the 3rd port 603 It is logical.

Fig. 4 to Figure 15 is further illustrated, and the pressure reducing flow stable valve 40 includes valve body 1, valve element 2, and valve body 1 includes valve body 11st, the first lid 12 and the second lid 13, intake tunnel 14 and exhalant canal 15 are arranged on valve body 11, in the inner chamber of valve body 11 Portion is provided with an interlayer 16, and the first lid 12 is connected the one end of valve body 11 with bolt, and the second lid 13 is connected valve body 11 with bolt The other end, the first lid 12 form the low pressure chamber 17 of valve body 1, the second lid 13 with the side of interlayer 16 and the inwall of valve body 11 The high pressure chest 18 of valve body 1 is formed with the opposite side of interlayer 16 and the inwall of valve body 11, i.e. the inner chamber of valve body 1 is divided by an interlayer 16 For high pressure chest 18 and low pressure chamber 17, high pressure chest 18 connects intake tunnel 14, and low pressure chamber 17 connects exhalant canal 15, set on interlayer 16 There are the first intercommunicating pore 161, the first intercommunicating pore 161 connection high pressure chest 18 and low pressure chamber 17.

Valve element 2 is through the one end of the first intercommunicating pore 161 is in low pressure chamber 17, the other end is in high pressure chest 18；Low pressure chamber 17 1 One diaphragm 3 is housed, the edge of diaphragm 3 is clipped between the first lid 12 and the one end of valve body 11 on the valve body 11 of side；Valve element 2 one The connected diaphragm 3 in end, diaphragm 3 connect a stage clip 4 away from the side of high pressure chest 18, and concrete structure is：The on both sides of the middle of diaphragm 3 pads There is metallic gasket 31, the one end of valve element 2 is through two metallic gaskets 31 and diaphragm 3 and is rotary with a locking nut 32, screws locking Nut 32 is fixed together the one end of valve element 2 and two metallic gaskets 31 and diaphragm 3, is set among the outer face of the first lid 12 There is a through hole 121, spin an adjusting nut 122 on through hole 121, and described one end of stage clip 4 is against on a metallic gasket 31, is another One end is against on adjusting nut 122.The elastic force of stage clip 4 can be conveniently adjusted by adjusting nut 122, to facilitate adjustment decompression steady Flow the running parameter of valve 40.

The valve body 1 of the side of high pressure chest 18 is provided with a cavity 19, and concrete structure is that second lid 13 is to close to described The side of interlayer 16 is extended with the second annular protrusion 131, and the outer small stairstepping shrinkage pool 132 of imperial palace is formed among the second annular protrusion 131, The aperture portion of stairstepping shrinkage pool 132 forms the cavity 19, and the other end of valve element 2 inserts the cavity 19, outside the other end of valve element 2 Sealing ring 191 is provided between side and the medial surface of the cavity 19；Valve element 2 is provided with the second intercommunicating pore 21, the second intercommunicating pore 21 Connect the low pressure chamber 17 and the bottom of the cavity 19；Second intercommunicating pore 21 is in the part of low pressure chamber 17 including being located at valve element 2 First radial direction through hole 211 be located at valve element 2 and be in the high pressure chest U-lag 212 of 18 end one and connect the He of the first radial direction through hole 211 An axial hole 213 on the valve element 2 of U-lag 212.

Interlayer 16 is in the side of high pressure chest 18 and the sealing gasket 5 that is connected on the periphery of the first intercommunicating pore 161, concrete structure For sealing gasket 5 is annular rubber pad or silicagel pad, and the interlayer 16 is in the side of high pressure chest 18 and in the first intercommunicating pore 161 Periphery be outward extended with first annular raised 162, the sealing gasket 5 is around described first annular raised 162, the sealing gasket 5 thickness is less than first annular raised 162 height；Push down the end face of the second annular protrusion 131 on second lid 13 The sealing gasket 5 so that sealing gasket 5 and interlayer 16 be in the side of high pressure chest 18 formed it is connected；On second annular protrusion 131 The second radial hole 133 provided with four macroperforations of connection stairstepping shrinkage pool 132, one of them 133 corresponding institute of the second radial hole State intake tunnel 14.Second radial hole 133 plays a part of excessively stream.

The part that valve element 2 is in high pressure chest 18 is provided with a shoulder 22, when the pressure rise of low pressure chamber 17, the water of low pressure chamber 17 Pressure driving diaphragm 3 and through the second intercommunicating pore 21 be transferred to the cavity 19 then overcome the stage clip 4 elastic force promote valve element 2 to The side of low pressure chamber 17 is moved to the end face of shoulder 22 when pushing down the sealing gasket 5, and first intercommunicating pore 161 is closed.This When high pressure chest 18 and low pressure chamber 17 be in and block state.Therefore when the switch valve 70 is closed, this pressure reducing flow stable Valve 40 has stop valve function, can isolate water inlet end high pressure, the flexible pipe and joint of protection pressure reducing flow stable valve 40 rear end.

The end face that the shoulder 22 is engaged with the sealing gasket 5 is provided with annular groove 221, the first annular projection 162 can stretch into the annular groove 221, and first annular raised 162 when stretching into the annular groove 221, the annular groove 221 Gap is left between inner peripheral surface and first annular raised 162 outer peripheral face.

The inner peripheral surface of annular groove 221 is provided with the first chamfering 2211 close to described first annular raised 162 one end, the One chamfering 2211 can play correcting effect, and so first annular raised 162 with annular groove 221 when doing relative motion, and is easy to the One annular protrusion 162 is stretched into annular groove 221；First annular raised 162 inner peripheral surface is close to the annular groove 221 1 End is provided with the second chamfering 1621, and the second chamfering 1621 is easy to water to enter the first intercommunicating pore 161.

The junction that the medial surface of valve body 11 is in the side of high pressure chest 18 with the interlayer 16 is interval with multiple convex tendons 163, the height of convex tendon 163 is less than first annular raised 162 height.By multiple convex tendons 163 can isolating seal pad 5 with The medial surface of valve body 11, when preventing from installing sealing gasket 5, form confined space between sealing gasket 5 and interlayer 16 and cause sealing Pad 5 can not be fitted on interlayer 16, influence the cutoff performance of whole valve.

The edge of the metallic gasket 31 is outward extended with flange 311, and the interlayer 16 is in the side of low pressure chamber 17 and is provided with Multiple projections 164, when the flange 311 of the metallic gasket 31 in low pressure chamber 17 is in contact with the projection 164 limit stage clip 4 after Continuous driving diaphragm 3 moves to the side of high pressure chest 18, and the space between adjacent projections 164 forms water passage.

Sealing ring 134 is provided between the outer peripheral face and the inwall of valve body 11 of second annular protrusion 131.

The course of work of the present embodiment is：When switch valve 70 is closed, the non-water flow of rinsing module 80 enters, and two Root Flushing nozzle 802 does not work.The exhalant canal 15 for being now equal to pressure reducing flow stable valve 40 is closed, the pressure of its low pressure chamber 17 Power can raise, and when the pressure of low pressure chamber 17 reaches setting value, the hydraulic drives diaphragm 3 of low pressure chamber 17 and be passed through the second intercommunicating pore 21 It is handed to the cavity 19 and then overcomes the elastic force of the stage clip 4 to promote valve element 2 to be moved to the shoulder 22 to the side of low pressure chamber 17 When the sealing gasket 5 is pushed down in end face, first intercommunicating pore 161 is closed.Pressure reducing flow stable valve 40 is in cut-off state.Rinse horse Bung does not work.

When needing to be rinsed work, turn knob 701 connects the water inlet of switch valve 70 and one of delivery port When logical, the 15 first pressure release of exhalant canal of pressure reducing flow stable valve 40, valve element 2 moves to the side of high pressure chest 18 and opens the first intercommunicating pore 161, Now the intake tunnel 14 of pressure reducing flow stable valve 40 starts to intake, and its low pressure chamber 17 produces hydraulic pressure, this hydraulic drives diaphragm 3 and warp again Second intercommunicating pore 21 is transferred to the cavity 19 and then drives valve element 2 to be moved to the side of low pressure chamber 17, now the shoulder on valve element 2 22 diminish with the distance of the sealing gasket 5, and water diminishes from high pressure chest 18 to the overflow section of low pressure chamber 17 product, in such case Under, the overflow section product of water can diminish with the pressure rise of intake tunnel 14, can also reduce and become with the pressure of intake tunnel 14 Greatly, thus can play a part of water side decompression, current stabilization, it is ensured that the pipeline behind pressure reducing flow stable valve 40 can depressurize, current stabilization；

In this case, i.e., the flow sensor in hot component 50 will detect flow and this signal has been transmitted To control panel 100, the electric heating tube power supply that control panel 100 is switched in i.e. hot component 50 is begun to warm up, while control panel 100 is also It can turn on the power supply several seconds of solenoid directional control valve 60（Such as the 5-8 seconds）Cut off the power supply of solenoid directional control valve 60 again afterwards.Water temperature in pipeline is relatively low When, it may be such that the water being just switched on cleans into self-cleaning pipe 90 to the water jet of Flushing nozzle 802, it is now colder before heating Water is used for self-cleaning Flushing nozzle 802, avoids cold water flush to artificial into discomfort；Or because frequently opening switch valve 70, i.e., hot component When electric heating tube waste heat make it that the water temperature in the i.e. hot inner chamber of component 50 is higher in 50, the water being just switched on similarly enters self-cleaning pipe 90 The water jet of Flushing nozzle 802 is cleaned, avoids the higher scald people of water temperature；

After the power supply of solenoid directional control valve 60 is cut off, the suitable water of water temperature just accesses rinsing module 80 so that wherein one Flushing nozzle 802, which is extend out among seat ring 10, is rinsed operation, and the rotatable selection of knob 701 stern is washed or woman washes.

The present embodiment although Flushing nozzle 802 can not be carried out under powering-off state it is self-cleaning, it is also possible to be rinsed make Industry, improve the capacity utilization for rinsing toilet lid.

It the above is only one preferred embodiment of the utility model, those skilled in the art is made equivalent by claim Change the protection domain for both falling within this case.

Claims (10)

1. the rear portion of a kind of flushing toilet lid with self-cleaning function, including seat ring, cover plate and housing, seat ring and cover plate is hinged on On housing, it is characterised in that：Housing is built with pressure reducing flow stable valve, i.e. hot component, solenoid directional control valve, switch valve, rinsing module, from Clean pipe and control panel, pressure reducing flow stable valve are provided with intake tunnel and exhalant canal, and solenoid directional control valve is provided with first port, second port With the 3rd port, switch valve is provided with a water inlet and at least one delivery port, and self-cleaning pipe is provided with a water inlet and at least one Individual delivery port, rinsing module include an at least flush pipe, telescopic Flushing nozzle are housed in flush pipe, flush pipe is provided with Water inlet；

The outside water inlet pipe of intake tunnel connection of pressure reducing flow stable valve, the exhalant canal of pressure reducing flow stable valve are hot group by pipeline communication The water inlet of part, i.e., hot component delivery port are passed through by the first port of pipeline communication solenoid directional control valve, the water inlet of switch valve The second port of pipeline communication solenoid directional control valve, the 3rd port of solenoid directional control valve by the water inlet of the self-cleaning pipe of pipeline communication, The water inlet that the delivery port of switch valve passes through flush pipe described in pipeline communication；

The self-cleaning pipe is arranged on above the Flushing nozzle, when the Flushing nozzle does not work, the delivery port alignment of self-cleaning pipe The water jet of Flushing nozzle；When the solenoid directional control valve is powered, the first port is connected with the 3rd port, solenoid directional control valve During power-off, the first port is connected with second port；Control panel judgement be hot component have current by when control i.e. hot group Part heating output hot water；Control panel judge the i.e. hot component have current by while first connect electromagnetic switch by setting time Then valve power supply cuts off solenoid directional control valve power supply again.

A kind of 2. flushing toilet lid with self-cleaning function according to claim 1, it is characterised in that：The switch valve is set There are two delivery ports, rinsing module includes two flush pipes, and a telescopic Flushing nozzle is housed in every flush pipe, every Flush pipe is provided with a water inlet；Two delivery ports on switch valve are respectively by two pipeline communications, two flush pipes Water inlet；One knob is housed, turn knob can be closed switch valve or make the water inlet of switch valve on switch valve Connected with a delivery port thereon；The self-cleaning pipe is provided with two delivery ports, and two delivery ports on self-cleaning pipe are right respectively Answer the water jet of two Flushing nozzles.

A kind of 3. flushing toilet lid with self-cleaning function according to claim 1, it is characterised in that：The housing includes Mounting base and case, case are mutually fastened by screw with mounting base or by snap fit phase clampings；Case and seat ring and The rear portion of cover plate is hinged.

A kind of 4. flushing toilet lid with self-cleaning function according to any one of claims 1 to 3, it is characterised in that：Institute Stating pressure reducing flow stable valve includes valve body, valve element, and the intake tunnel and exhalant canal be arranged on valve body, body cavity by one every Layer is divided into high pressure chest and low pressure chamber, and high pressure chest connection intake tunnel, low pressure chamber connection exhalant canal, interlayer is provided with the first connection Hole, the first intercommunicating pore connection high pressure chest and low pressure chamber；Valve element is through first intercommunicating pore one end is in low pressure chamber, the other end is in height Press chamber；One diaphragm is housed, valve element one end is connected diaphragm, and diaphragm is away from the pressure of high pressure chest side connection one on the valve body of low pressure chamber side Spring；The valve body of high pressure chest side is provided with a cavity, and the valve element other end inserts the cavity, valve element other end lateral surface with it is described Sealing ring is provided between cavity medial surface；Valve element is provided with the second intercommunicating pore, and the second intercommunicating pore connects the low pressure chamber and described Cavity bottom；Interlayer is in high pressure chest side and the sealing gasket that is connected on the periphery of the first intercommunicating pore, valve element are in high pressure chest Part be provided with a shoulder, when pressure rise to the setting value of low pressure chamber, the hydraulic drives diaphragm of low pressure chamber and through second connect Hole is transferred to the cavity and then overcomes the elastic force of the stage clip to promote valve element to be moved to the shoulder end face to low pressure chamber side When pushing down the sealing gasket, first intercommunicating pore is closed.

A kind of 5. flushing toilet lid with self-cleaning function according to claim 4, it is characterised in that：The interlayer is in High pressure chest side and first annular projection is outward extended with the periphery of the first intercommunicating pore, the gasket ring is around first ring Shape is raised, and the thickness of the sealing gasket is less than the first annular raised height, and the shoulder is engaged with the sealing gasket End face be provided with annular groove, the first annular projection can stretch into the annular groove, and first annular projection stretches into described During annular groove, gap is left between the annular groove inner peripheral surface and the first annular raised outer peripheral face.

A kind of 6. flushing toilet lid with self-cleaning function according to claim 5, it is characterised in that：The annular groove Inner peripheral surface is provided with the first chamfering close to described first annular raised one end, and the first annular raised inner peripheral surface is close to the ring Connected in star one end is provided with the second chamfering；

The junction that the valve body medial surface is in high pressure chest side with the interlayer is interval with multiple convex tendons, the height of convex tendon Less than the first annular raised height.

A kind of 7. flushing toilet lid with self-cleaning function according to claim 4, it is characterised in that：Second connection Hole include being located at valve element be in the first radial direction through hole of low pressure cavity segment be located at valve element be in the U-lag of high pressure chest end one and Connect an axial hole on the valve element of the first radial direction through hole and U-lag.

A kind of 8. flushing toilet lid with self-cleaning function according to claim 4, it is characterised in that：The valve body includes Valve body, the first lid and the second lid, the intake tunnel and exhalant canal are located on valve body, and the interlayer is located at valve sheet In the middle part of intracoelomic cavity, the first lid is connected valve body one end, and the second lid is connected the valve body other end, the first lid and the interlayer Side and valve body inwall form the low pressure chamber, and the second lid forms the height with the interlayer opposite side and valve body inwall Chamber is pressed, the diaphragm is clipped between the first lid and valve body one end, and the stage clip is between the first lid and diaphragm.

A kind of 9. flushing toilet lid with self-cleaning function according to claim 8, it is characterised in that：In the middle part of the diaphragm Both sides are lined with metallic gasket, and valve element one end is through two metallic gaskets and diaphragm and is rotary with a locking nut, screws locking Nut is fixed together valve element one end and two metallic gaskets and diaphragm, and it is logical that one is provided among the first lid outer face Hole, spun on through hole an adjusting nut, and described stage clip one end is against on a metallic gasket, the other end is against adjusting nut On；

The edge of the metallic gasket is outward extended with flange, and the interlayer is in low pressure chamber side and is provided with multiple projections, is in Stage clip is limited when the flange of the metallic gasket of low pressure chamber is in contact with the projection to continue to drive diaphragm to move to high pressure chest side, Space between adjacent projections forms water passage.

A kind of 10. flushing toilet lid with self-cleaning function according to claim 8, it is characterised in that：Second lid Body is extended with the second annular protrusion to close to the interlayer side, and the sealing gasket is pushed down in the end face of the second annular protrusion；Second The outer small stairstepping shrinkage pool of imperial palace is formed among annular protrusion, the aperture portion of stairstepping shrinkage pool forms the cavity, the second annular Projection is provided with the second radial holes of multiple connection stairstepping shrinkage pool macroperforations, described at least one second radial hole is corresponding Intake tunnel.