CN110117978A - A kind of toilet water tank water inlet valve - Google Patents

A kind of toilet water tank water inlet valve Download PDF

Info

Publication number
CN110117978A
CN110117978A CN201910472117.2A CN201910472117A CN110117978A CN 110117978 A CN110117978 A CN 110117978A CN 201910472117 A CN201910472117 A CN 201910472117A CN 110117978 A CN110117978 A CN 110117978A
Authority
CN
China
Prior art keywords
water
valve
water inlet
inlet pipe
pressure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201910472117.2A
Other languages
Chinese (zh)
Other versions
CN110117978B (en
Inventor
张子鹏
刘永茂
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LAB (XIAMEN) SANITARY FITTINGS Inc
Original Assignee
LAB (XIAMEN) SANITARY FITTINGS Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LAB (XIAMEN) SANITARY FITTINGS Inc filed Critical LAB (XIAMEN) SANITARY FITTINGS Inc
Priority to CN201910472117.2A priority Critical patent/CN110117978B/en
Publication of CN110117978A publication Critical patent/CN110117978A/en
Application granted granted Critical
Publication of CN110117978B publication Critical patent/CN110117978B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03DWATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D1/00Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
    • E03D1/30Valves for high or low level cisterns; Their arrangement ; Flushing mechanisms in the cistern, optionally with provisions for a pre-or a post- flushing and for cutting off the flushing mechanism in case of leakage
    • E03D1/32Arrangement of inlet valves
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03DWATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D1/00Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
    • E03D1/30Valves for high or low level cisterns; Their arrangement ; Flushing mechanisms in the cistern, optionally with provisions for a pre-or a post- flushing and for cutting off the flushing mechanism in case of leakage
    • E03D1/33Adaptations or arrangements of floats
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/40Protecting water resources

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sanitary Device For Flush Toilet (AREA)

Abstract

The present invention discloses a kind of toilet water tank water inlet valve, including valve seat, pressure water check valve, buoyancy control mechanism, water inlet pipe, pressure water check valve includes upper cover, waterstop pad, the water outlet of water inlet pipe is arranged in valve seat, seat bottom portion forms exhalant canal, exhalant canal is led on the outside of the water outlet of water inlet pipe, the water surface until the water outlet end face of water inlet pipe, the water outlet of water inlet pipe is arranged in waterstop pad, upper cover rubber is by waterstop pad together with valve seal, pressure chamber is formed between upper cover and waterstop pad, pressure chamber has inlet opening and relief hole respectively, inlet opening is communicated with water inlet pipe, buoyancy control mechanism is set outside relief hole.This case advantage is to make water inlet pipe have the function of inner core tube instead of inner core tube with water inlet pipe, and relative to side inlet type inlet valve, valve body manufacture is simpler, relative to bottom inlet type inlet valve, reduces installation of the inner core tube in valve seat, and reduce unnecessary leakage point.

Description

A kind of toilet water tank water inlet valve
Technical field
The invention belongs to toilet water tank water inlet valve, in particular to a kind of pressure sealing toilet water tank water inlet valve.
Background technique
The prior art has toilet water tank water inlet valve, and water inlet or resistance are mainly realized using the hydraulic pressure in domestic water pipe network Break, including valve body, pressure water check valve, buoyancy control mechanism, water inlet pipe, pressure water check valve are mounted on valve body, valve body, which connects, to be set On water inlet pipe, buoyancy control mechanism makes to form hydraulic pressure inside pressure water check valve or the on-off of water flow is realized in pressure release.Wherein closestool water Case inlet valve is divided into side inlet type inlet valve, bottom inlet type inlet valve, according to pressure water stop valve structure according to water intake mode difference Mode is different, and is divided into back pressure inlet valve, needle-valve inlet valve.
As shown in Figure 1 and Figure 2, CN102345315U document discloses a kind of side inlet type back pressure inlet valve, including valve body 100, pressure water check valve 200, buoyancy control mechanism 300, water inlet pipe 400, water inlet pipe 400, which connects, to be set in the side of valve body 100, pressure Water check valve 200 includes upper cover 201, rubber water-proof pad 202, inner core tube 203, forms vertical exhalant canal 101 on valve body 100, interior Core pipe 203 is horizontally installed in valve body 100, inner core tube 203 and valve body 100 and between form lateral intake tunnel 102, inner core tube Water outlet 2031 is communicated with vertical exhalant canal 101, and 2032 end face of inner core tube water inlet end forms sealing face, rubber water-proof pad 202 It is arranged in inner core tube water inlet end 2032, rubber water-proof pad 202 and valve body 100 are sealed by upper cover 201, upper cover 201 and rubber Pressure chamber is formed between glue waterstop pad 202, pressure chamber has inlet opening and relief hole, inlet opening and lateral intake tunnel 102 respectively It communicates, buoyancy control mechanism 300 is set outside relief hole.When installation, water inlet pipe 400 is transversely mounted to set (schemes not in cistern Depending on out) on, water inlet pipe 400 connects with domestic water pipe network, and so that pressure water check valve 200 is higher than cistern peak level Face to avoid siphon is generated, cause in cistern water pass sequentially through water inlet pipe 400, lateral intake tunnel 102, inner core tube 203, Vertical exhalant canal 101 and enter in domestic water pipe network.In use, the water because of cistern is discharged, to make buoyancy control 300 loss of buoyance of mechanism processed, relief hole are opened, water from water inlet pipe 400, pressure water check valve 200, vertical exhalant canal 101 into Enter in cistern, meanwhile, sub-fraction water enters pressure chamber by inlet opening, then is flowed out by relief hole, reaches at this time The purpose of water inlet;When the water level in cistern rises to predetermined position, pressure release is blocked in the movement of triggering buoyancy control mechanism 300 Hole prevents relief hole from draining outward, because the inlet opening of pressure chamber is communicated with water inlet pipe 400, to cause stress the water in chamber Pressure increases suddenly, so that elastic expansion deformation occurs for rubber water-proof pad 202, blocks the sealing face of inner core tube water inlet end 2032, cuts Water flow between disconnected transverse direction intake tunnel 102 and inner core tube 203, achievees the purpose that sealing.
As shown in figure 3, CN202274155U document discloses a kind of bottom inlet type back pressure inlet valve, including valve body 1 ', pressure Power water check valve 2 ', buoyancy control mechanism 3 ', water inlet pipe 4 ', in succession in the lower part of valve body 1 ', pressure water check valve 2 ' wraps water inlet pipe 4 ' Upper cover 21 ', rubber water-proof pad 22 ', inner core tube 23 ' are included, 231 ' end face of inner core tube water outlet forms sealing face, inner core tube water inlet end 232 ' are plugged in water inlet pipe and form vertical intake tunnel 11 ', real by setting sealing ring between inner core tube 23 ' and water inlet pipe 4 ' Now seal, be socketed on water inlet pipe 4 ' outside valve body 1 ', on valve body 1 ' and inner core tube 23 ' and water inlet pipe 4 ' between formed and be vertically discharged Channel 12 ', rubber water-proof pad 22 ' are arranged in inner core tube water outlet 231 ', and upper cover 21 ' is sealed with valve body 1 ', upper cover 21 ' Pressure chamber 24 ' is formed between rubber water-proof pad 22 ', pressure chamber 24 ' has inlet opening 241 ' and relief hole 242 ', inlet opening respectively 241 ' communicate with vertical intake tunnel 11 ', and relief hole 242 ' is external to be arranged buoyancy control mechanism 3 '.When installation, water inlet pipe 4 ' is perpendicular To being mounted on cistern (figure does not regard out), water inlet pipe connects with domestic water pipe network, is usually higher than pressure water check valve 2 ' Cistern has peak level face to avoid siphon is generated, and water in cistern is caused to pass sequentially through water inlet pipe 4 ', vertical water inlet Channel 11 ', inner core tube 23 ', vertical exhalant canal 12 ' and enter domestic water pipe network in.In use, the ipsilateral inlet type horse of principle The principle of bucket tank intake valve of water is the same, be also because the water of cistern is discharged, to make 3 ' loss of buoyance of buoyancy control mechanism, Relief hole 242 ' is opened, and water enters in cistern from water inlet pipe 4 ' and pressure water check valve 2 ', meanwhile, the water of sub-fraction is logical It crosses inlet opening 241 ' to flow out into pressure chamber 24 ', then by relief hole 242 ', achieve the purpose that at this time into water;Work as cistern In water level when rising to predetermined position, relief hole 242 ' is blocked in the movement of triggering buoyancy control mechanism 3 ', prevents relief hole 242 ' Draining outward, because the inlet opening 241 ' of pressure chamber is communicated with water inlet pipe 4 ', so that the hydraulic pressure caused stress in chamber increases suddenly, So that elastic expansion deformation occurs for rubber water-proof pad, the sealing face of inner core tube water outlet 231 ' is blocked, vertical intake tunnel is cut off Water flow between 11 ' and vertical exhalant canal 12 ', achievees the purpose that sealing.
Above two toilet water tank water inlet valve is made a general survey of, water inlet pipe and inner core tube are required to, as shown in Figure 1 and Figure 2, side water inlet Formula inlet valve does not need distance between adjustment pressure water check valve 200 and cistern side wall because being mounted on cistern side wall, So the water inlet end of water inlet pipe 400 is directly screwed onto the side of valve body 100, and the setting of inner core tube 203 is in 100 inside of valve body and valve Body is integrally formed, causes the forming demoulding difficulty of valve body 100 to increase, high production cost, production efficiency reduces.As shown in figure 3, bottom into Ability of swimming inlet valve needs to be adjusted according to the height of cistern because the water inlet end of water inlet pipe 4 ' is mounted on the bottom of cistern Distance between pressure water check valve 2 ' and cistern bottom is set with highest water to realize that pressure water check valve 2 ' is higher than cistern Bit line, so valve body 1 ' needs moving sleeve to connect on water inlet pipe 4 ', inner core tube 23 ' is scalable in water inlet pipe 4 ', inner core tube 23 ' and valve body 1 ' are two components respectively, and the forming demoulding difficulty of valve body 1 ' reduces, but between inner core tube 23 ' and water inlet pipe 4 ' Sealing is realized by setting sealing ring after all, if sealing ring fails with age, just will form leakage between inner core tube and water inlet pipe Water spot causes the water of cistern to enter in domestic water pipe network by vertical exhalant canal, causes in domestic water pipe network Water is contaminated.
For this purpose, the present inventor is directed to above-mentioned disadvantage, toilet water tank water inlet valve is improved.
Summary of the invention
The purpose of the present invention is to provide a kind of toilet water tank water inlet valves, and structure is simple, and intake tunnel does not have leakage point.
To achieve the goals above, technical scheme is as follows:
A kind of toilet water tank water inlet valve, including valve seat, pressure water check valve, buoyancy control mechanism, water inlet pipe are formed on valve seat The accommodating cavity of pressure water check valve is installed, the water outlet of water inlet pipe is arranged in the bottom of accommodating cavity, and the bottom of accommodating cavity, which is equipped with, to be led to The exhalant canal of the water outlet lateral wall of water inlet pipe, the water surface until the head of the water outlet of water inlet pipe, pressure water check valve includes upper Waterstop pad is sealed in the accommodating cavity of valve seat by lid, waterstop pad, upper cover, and waterstop pad is located at the head sealing of the water outlet of water inlet pipe At face, pressure chamber is formed between waterstop pad and upper cover, pressure chamber has inlet opening and relief hole, inlet opening and water inlet pipe phase respectively Logical, buoyancy control mechanism controls relief hole opens or closes.
Further, the pressure water check valve is back-pressure water check valve, including upper cover, rubber water-proof pad, back pressure pad, institute The inlet opening stated is arranged on the guide post of upper cover, and guide post is perforated through rubber water-proof pad, and the relief hole is arranged on upper lid, institute The buoyancy control mechanism stated includes water tank, keg float, connecting rod, swing rod, corresponds on swing rod and the back pressure pad is arranged at relief hole, Swing rod one end is hubbed on lid, and the swing rod other end is connect by connecting rod with keg float, and keg float is placed in water tank, water tank cover into On water pipe.
Further, the pressure water check valve is needle-valve pressure water check valve, including upper end cover, waterstop pad, stainless pin, institute Through being arranged on waterstop pad, the inlet through hole is also arranged on waterstop pad the pressure release through-hole stated, and stainless pin passes through upper End cap is inserted in pressure release through-hole, and stainless pin is equipped with water-carrying groove, and the buoyancy control mechanism includes water tank, keg float, connection Bar, swing rod correspond on swing rod and are equipped with stainless pin at relief hole, and swing rod one end is hubbed on upper end cover, and the swing rod other end passes through Connecting rod is connect with keg float, and keg float is placed in water tank, and water tank cover is on water inlet pipe.
Further, the water outlet of the exhalant canal exposes to accommodating cavity bottom outer surface, most higher than cistern setting High-water line.
Further, close to the water outlet lateral wall of water inlet pipe, the exhalant canal is equipped with the water outlet of the exhalant canal Inclined-plane makes water outlet lateral wall of the water outlet of exhalant canal towards water inlet pipe.
Further, for the water outlet of the exhalant canal close to the water outlet lateral wall of water inlet pipe, the exhalant canal is oblique Channel makes water outlet lateral wall of the water outlet of exhalant canal towards water inlet pipe.
Further, the water outlet of the valve seat and water inlet pipe is integrally formed.
Further, the valve seat is connected to the water outlet of water inlet pipe.
Further, the valve seat is screwed onto the water outlet of water inlet pipe.
Further, the toilet water tank water inlet valve is bottom inlet type inlet valve, i.e. the water inlet end of water inlet pipe is mounted on horse Bucket water tank bottom.
Further, the toilet water tank water inlet valve is side inlet type inlet valve, i.e. the water inlet end of water inlet pipe is mounted on horse Bucket water tank side.
Further, diversion pipe is cased on the water inlet pipe, the buoyancy control mechanism is nested on diversion pipe.
Further, diversion pipe is cased on the water inlet pipe, the buoyancy control mechanism is nested on diversion pipe.
Compared with present technology, main advantage is for this case: with water inlet pipe instead of inner core tube, eliminating inner core tube, makes Water inlet pipe has the function of inner core tube, i.e., directly forms sealing face in the water outlet end face of water inlet pipe, intake relative to side inlet type Valve, valve body manufacture is simpler, relative to bottom inlet type inlet valve, reduces installation of the inner core tube in valve seat, and reduction is unnecessary Leakage point.
Detailed description of the invention
Fig. 1 is the sectional side view of existing side inlet type inlet valve;
Fig. 2 is the top view of existing side inlet type inlet valve;
Fig. 3 is the sectional side view of existing bottom inlet type inlet valve;
Fig. 4 is bottom inlet type inlet valve perspective view of the invention;
Fig. 5 is bottom inlet type back pressure water intake valve status diagram of the invention;
Fig. 6 is bottom inlet type back pressure inlet valve cross-sectional view two of the invention;
Fig. 7 is bottom inlet type back pressure water intake valve state decomposition figure of the invention;
Fig. 8 is inlet type back pressure water inlet valve seal state cross-sectional view in bottom of the invention;
Fig. 9 is the working principle diagram one of bottom inlet type back pressure inlet valve of the invention;
Figure 10 is that the rubber water-proof pad of bottom inlet type back pressure inlet valve of the invention and upper cover cooperate schematic diagram;
Figure 11 is inlet type needle-valve water inlet valve seal state cross-sectional view in bottom of the invention;
Figure 12 is bottom inlet type needle-valve inlet valve cross-sectional view one of the invention;
Figure 13 is the cross-sectional view two of bottom inlet type needle-valve inlet valve of the invention;
Figure 14 is the sectional exploded view of bottom inlet type needle-valve inlet valve of the invention;
Figure 15 is the working principle diagram one of bottom inlet type needle-valve inlet valve of the invention;
Figure 16 is the waterstop pad and stainless needle decomposition diagram of bottom inlet type needle-valve inlet valve of the invention;
Figure 17 is bottom inlet type water inlet valve base and water inlet pipe clamping dismantling schematic diagram of the invention;
Figure 18 is that bottom inlet type back pressure water inlet valve base and water inlet pipe of the invention are clamped decomposition diagram;
Figure 19 is that bottom inlet type back pressure water inlet valve base and water inlet pipe of the invention are clamped assembling schematic diagram;
Figure 20 is that inlet type water inlet valve base in bottom of the invention is threadedly coupled dismantling schematic diagram with water inlet pipe;
Figure 21 is that inlet type back pressure water inlet valve base in bottom of the invention is threadedly coupled decomposition diagram with water inlet pipe;
Figure 22 is that inlet type back pressure water inlet valve base in bottom of the invention is threadedly coupled assembling schematic diagram with water inlet pipe;
Figure 23 is that bottom inlet type needle-valve water inlet valve base and water inlet pipe of the invention are clamped decomposition diagram;
Figure 24 is that inlet type needle-valve water inlet valve base in bottom of the invention is threadedly coupled decomposition diagram with water inlet pipe;
Figure 25 is side inlet type inlet valve perspective view one of the invention;
Figure 26 is inlet type needle-valve water inlet valve seal state cross-sectional view one in side of the invention;
Figure 27 is side inlet type needle-valve inlet valve cross-sectional view two of the invention;
Figure 28 is side inlet type needle-valve inlet valve perspective view two of the invention;
Figure 29 is the sectional exploded view of side inlet type needle-valve inlet valve of the invention;
Figure 30 is the working principle diagram one of side inlet type needle-valve inlet valve of the invention.
Specific embodiment
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing introduction needed in technical description, it should be apparent that, the accompanying drawings in the following description is only some embodiments, For those of ordinary skill in the art, without any creative labor, it can also obtain according to these attached drawings Obtain other technical solutions.
It is well known that toilet water tank water inlet valve according to water intake mode difference, be divided into side inlet type inlet valve, bottom inlet type into Water valve, it is different according to pressure water stop valve structure mode, and it is divided into back pressure inlet valve, needle-valve inlet valve.The present invention is first intake the bottom of with The embodiment of formula inlet valve introduces, and the structural relation and principle of the invention patent are equally suitable for side inlet type inlet valve With, then the embodiment of opposite side inlet type inlet valve briefly introduces.
As shown in figure 4, a kind of cistern bottom inlet type inlet valve, including valve seat 1, pressure water check valve, buoyancy control machine The water outlet of water inlet pipe 3 is arranged in structure 2, water inlet pipe 3, valve seat 1, and buoyancy control mechanism 2 makes to form hydraulic pressure inside pressure water check valve Or the on-off of water flow is realized in pressure release.Wherein, inlet type inlet valve in cistern bottom is different according to pressure water stop valve structure mode, again It is divided into bottom inlet type back pressure inlet valve, bottom inlet type needle-valve inlet valve.
As shown in Fig. 5, Fig. 6, Fig. 7, Fig. 8, a kind of bottom inlet type back pressure inlet valve, including valve seat 1, back-pressure water check valve 4, buoyancy control mechanism 2, water inlet pipe 3.The accommodating cavity 10 of installation valve back-pressure water check valve 4 is formed on valve seat 1, accommodating cavity 10 The water outlet 31 of water inlet pipe 3 is arranged in bottom 14, and the bottom 14 of accommodating cavity 10 is equipped with the water outlet lateral wall for leading to water inlet pipe 3 34 exhalant canal 11, the water surface 32 (as shown in Figure 9) until the head of the water outlet 31 of water inlet pipe 3, back-pressure water check valve 4 are main It to include upper cover 42, rubber water-proof pad 43, back pressure pad 48, rubber water-proof pad 43 is sealed in the accommodating cavity 10 of valve seat 1 by upper cover 42 Interior, rubber water-proof pad 43 is located at the head sealing face 32 of the water outlet 31 of water inlet pipe 3, between rubber water-proof pad 43 and upper cover 42 Pressure chamber 45 is formed, pressure chamber 45 has inlet opening 46 and relief hole 47 respectively, and inlet opening 46 is arranged on the guide post 49 of upper cover 42 (as shown in Figure 10), guide post 49 are perforated through rubber water-proof pad 43, play the guiding role to rubber water-proof pad 43, inlet opening 46 and water inlet Pipe 3 communicates (as shown in Fig. 5), and relief hole 47 is arranged in upper cover 42, and the buoyancy control mechanism 2 is the water inlet of existing closestool Valve common structure is the prior art, including water tank 20, keg float 21, connecting rod 22, swing rod 23, corresponds to relief hole 47 on swing rod 23 Place is equipped with back pressure pad 48, and 23 one end of swing rod is hubbed in upper cover 42, and 23 other end of swing rod is connect by connecting rod 22 with keg float 21, Keg float 21 is placed in water tank 20,20 sets of water tank on water inlet pipe 3, when the loss of buoyance in water tank 20 of keg float 21, swing rod 23 exists Rotation is fallen in upper cover 42, and back pressure pad 48 leaves relief hole 47, and relief hole 47 is opened, when keg float 21 in water tank 20 by floating Masterpiece used time, swing rod 23 are rotated in upper cover 42 and are lifted, and back pressure pad 48 blocks relief hole 47, and relief hole 47 is closed.
As shown in fig. 5-10, above-mentioned water inlet pipe 3 vertically set on cistern (figure does not regard out) by installation, water inlet pipe 3 Water inlet end device connect in cistern bottom and domestic water pipe network (figure is not depending on out), usual back-pressure water check valve 4 is high In the peak level face of cistern to avoid siphon is generated, water in cistern is caused to pass sequentially through exhalant canal 11, water inlet Pipe 3 and enter domestic water pipe network in.In use, the water because of cistern is discharged, so as to cause the water of buoyancy control mechanism 2 The water of case 20 leaks out, and 21 loss of buoyance of keg float, swing rod 23 is not lifted up, and back pressure pad 24 does not block relief hole 47, so from The water energy of 46 feed pressure chamber 45 of inlet opening is discharged from relief hole 4, and the pressure chamber 45 of the inside of rubber water-proof pad 43 will not generate Hydraulic pressure, rubber water-proof pad 43 continue upward the deformation of 42 side of lid, rubber water-proof pad 43 and water inlet pipe 3 under the action of intake pressure Water outlet 31 the separation of 32 phase of head sealing face, the slave water inlet pipe 3 of domestic water pipe network enters, then flows into from exhalant canal 11 Cistern achievees the purpose that into water.When in cistern it is waterborne be raised to expired keg float 21 when, keg float 21 float drive swing rod 23 It lifts, the back pressure pad 24 on swing rod 23 pushes down relief hole 47, makes the hydraulic pressure for flowing into the pressure chamber 45 of the inside of rubber water-proof pad 43 Increasing, the big water feeding pressure to more than 43 outside of rubber water-proof pad, rubber water-proof pad 43 occurs flexible deformation and is pressed in into water On the head sealing face 32 of the water outlet 31 of pipe 3, water inlet is closed, realizes automatic water stopping function.
As shown in Figure 11, Figure 12, Figure 13, Figure 14, a kind of bottom inlet type needle-valve inlet valve, with a kind of bottom inlet type back pressure into Identical water valve is valve seat 1, buoyancy control mechanism 2, water inlet pipe 3, the difference is that needle-valve pressure water check valve 5 stops instead of back-pressure Water valve 4.The accommodating cavity 10 of installation needle-valve pressure water check valve 5 is formed on valve seat 1, the bottom 14 of accommodating cavity 10 is arranged in water inlet pipe 3 Water outlet 31, the bottom 14 of accommodating cavity 10 is equipped with the exhalant canal 11 for leading to the water outlet lateral wall 34 of water inlet pipe 3, water inlet The water surface 32 (as shown in Figure 19, Figure 20, Figure 21) until the head of the water outlet 31 of pipe 3, needle-valve pressure water check valve 5 mainly include upper Waterstop pad 53 is sealed in the accommodating cavity 10 of valve seat 1 by end cap 52, waterstop pad 53, stainless pin 58, upper end cover 52, waterstop pad 53 are located at the head sealing face 32 of the water outlet 31 of water inlet pipe 3, and pressure cavities 55 are formed between waterstop pad 53 and upper end cover 52, Pressure cavities 55 have inlet through hole 56 and pressure release through-hole 57 respectively, and for pressure release through-hole 57 through being arranged on waterstop pad 53, water inlet is logical Hole 56 is also arranged on waterstop pad 53, and the buoyancy control mechanism 2 is existing closestool water inlet valve common structure, is existing skill Art, including water tank 20, keg float 21, connecting rod 22, swing rod 23 correspond on swing rod 23 and are equipped with stainless pin 58 at pressure release through-hole 57, Stainless pin 58 passes through upper end cover 52 and is inserted in pressure release through-hole 57, and stainless pin 58 is equipped with water-carrying groove 59 (as shown in figure 16), 23 one end of swing rod is hubbed on upper end cover 52, and 23 other end of swing rod is connect by connecting rod 22 with keg float 21, and keg float 21 is placed in water In case 20,20 sets of water tank on water inlet pipe 3, when the loss of buoyance in water tank 20 of keg float 21, swing rod 23 on upper end cover 52 turn Dynamic to fall, stainless pin 58 is partially extracted out from relief hole 47, and relief hole 47 is opened, when keg float 21 in water tank 20 by floating Masterpiece used time, swing rod 23 are rotated on upper end cover 52 and are lifted, and stainless pin 58 is fully inserted into relief hole 47, blocks relief hole 47, relief hole 47 is closed.
As shown in Figure 11-Figure 16, above-mentioned water inlet pipe 3 vertically set on cistern (figure does not regard out) by installation, water inlet pipe 3 water inlet end device connects in cistern bottom with domestic water pipe network (figure is not depending on out), usual needle-valve pressure water check valve 5 Higher than the peak level face of cistern to avoid siphon is generated, cause in cistern water pass sequentially through exhalant canal 11, into Water pipe 3 and enter domestic water pipe network in.In use, the water because of cistern is discharged, so as to cause buoyancy control mechanism 2 The water of water tank 20 leaks out, and 21 loss of buoyance of keg float, when the water in water tank does not rise to keg float position, swing rod 23 is not lifted, no Rust steel needle 58 is not fully inserted into the pressure release through-hole 57 for blocking 53 top of waterstop pad, so flowing into the water energy of 53 inside of waterstop pad It is discharged from pressure release through-hole 57, the inside pressure cavity 55 of waterstop pad 53 will not generate hydraulic pressure, work of the waterstop pad 53 in intake pressure The deformation of 52 side of end cap is continued upward under, waterstop pad 53 separates with 32 phase of sealing face of water inlet pipe 3, domestic water pipe network from Water inlet pipe 3 enters, then flows into cistern from exhalant canal 11, achievees the purpose that into water.It is raised to completely when waterborne in cistern When crossing keg float 21, keg float 21, which floats, drives swing rod 23 to lift, and the stainless pin 58 on swing rod 23 is fully inserted into 53 top of waterstop pad Pressure release through-hole 57 in, the water for flowing into the inside of waterstop pad 53 be discharged can not, the hydraulic pressure of 53 inside of waterstop pad is increasing, greatly To the water feeding pressure for being more than 53 outside of waterstop pad, waterstop pad 53 occurs flexible deformation and is pressed on the sealing face 32 of water inlet pipe 3, closes Automatic water stopping function is realized in water inlet.
Main advantage is two kinds of bottom inlet type toilet water tank water inlet valves listed above compared with prior art: eliminating Inner core tube makes water inlet pipe have the function of inner core tube, i.e., directly in the water outlet end face of water inlet pipe with water inlet pipe instead of inner core tube Sealing face is formed, eliminates inner core tube component relative to bottom inlet type toilet water tank water inlet valve, reduces inner core tube in valve seat Installation, and unnecessary leakage point is reduced, relative to side inlet type inlet valve, valve body manufacture is simpler.
For another example shown in Fig. 5-8, Figure 11-14, the water outlet 31 of water inlet pipe 3, valve is arranged in the bottom of the accommodating cavity 10 of valve seat 1 Exhalant canal 11 is formed on the bottom 14 of the accommodating cavity 10 of seat 1, the water outlet 12 of exhalant canal 11 exposes to accommodating cavity bottom appearance Face 19, higher than the maximum water level of cistern setting.Higher than the maximum water level 7 of cistern setting, such exhalant canal 11 water outlet 12 is directly communicated with atmospheric pressure, not will form water seal between exhalant canal 11 and cistern bottom, is worked as water inlet Water in pipe 3 causes rubber water-proof pad or waterstop pad that cannot block the head sealing of water outlet 31 of water inlet pipe 3 in rapid decompression When face 32, atmospheric pressure is directly filled into water inlet pipe 3 by the water outlet 12 of exhalant canal 11, makes the air pressure in intake tunnel 11 Relative equilibrium is kept with outside, prevents siphon from generating, while ensuring that anti-siphon function never fails, also saves anti-siphon pad or anti- Siphon plunger member and structural failure risk, and valve seat construction can be designed simpler.
For another example shown in Fig. 5, Figure 12, the lateral wall of the water outlet 12 of exhalant canal 11 close to the water outlet of water inlet pipe 3 31 34, exhalant canal 11 is equipped with inclined-plane 13, makes lateral wall of the water outlet 12 of exhalant canal 11 towards the water outlet of water inlet pipe 3 31 34, certainly, the exhalant canal 11 can also be access ramp, make the water outlet 12 of exhalant canal 11 towards the water outlet of water inlet pipe 3 31 lateral wall 34, thus make from the water of exhalant canal 11 along water inlet pipe 3 34 fair current of lateral wall into cistern, water is not It can disorderly splash, and water inlet noise can be reduced, meanwhile, the water outlet 12 of exhalant canal 11 exposes to accommodating cavity bottom outer surface 15, and The blank pipe of non-relative closure, water flows in pipeline not will form sympathetic response, and water inlet noise can also become smaller.
As shown in Fig. 4, Fig. 5, Figure 12, in order to be better protected from the splashing of water, diversion pipe 6, water conservancy diversion are cased on water inlet pipe 3 The upper end 61 of pipe 6 is funnel-shaped, connects in the lower section of the water outlet 12 of exhalant canal 11.Certainly diversion pipe 6 is cased on water inlet pipe 3 Afterwards, buoyancy control mechanism 2 is just nested on diversion pipe 6.
For another example shown in Fig. 5-8, Figure 11-14, the bottom 14 of the accommodating cavity 10 of valve seat 1 and 31 one of water outlet of water inlet pipe 3 Forming.Certainly, such valve seat 1 cannot move on water inlet pipe 3, for the inlet type inlet valve of bottom, valve seat 1 into Height cannot be adjusted on water pipe 3, cause back-pressure water check valve 4, needle-valve pressure water check valve 5 that cannot need according to closestool water The height of case adjusts the distance between cistern bottom and still as long as water inlet pipe height is arranged properly, can satisfy common The installation of cistern needs.
In consideration of it, the bottom of the accommodating cavity of valve seat is movably arranged on the water outlet of water inlet pipe, such as Figure 17, Figure 18, Figure 19, figure Shown in 23, the bottom 14 of the accommodating cavity 10 of valve seat 1 is connected to the water outlet 31 of water inlet pipe 3, and the side of water outlet 31 is protruding Socket pipe 15 is formed on latch 35, the bottom 14 of the accommodating cavity 10 of valve seat 1, and 15 inner wall of socket pipe forms card slot 16, and valve seat 1 passes through Latch 35 is screwed in card slot 16 and is connected on the water outlet 31 of water inlet pipe 3.Can also as shown in Figure 20, Figure 21, Figure 22, Figure 24, The valve seat 1 is screwed onto the water outlet 31 of water inlet pipe 3, and the side of water outlet 31 forms external screw thread 36, the accommodating cavity 10 of valve seat 1 Bottom 14 formed socket pipe 15,15 inner wall of socket pipe formed internal screw thread 17, valve seat 1 by internal screw thread 17 screw in external screw thread 36 And it is spirally connected and connects on the water outlet of water inlet pipe 3 31.In this way, different height socket pipe can be selected according to the height of cistern Valve seat 1 also facilitate valve seat 1 and back-pressure water check valve 4, needle-valve pressure water check valve 5 to match the cistern of different height The convenient for assembly and disassembly from water inlet pipe, in pressure sealing defective valve, the back-pressure water check valve 4 that more renews, needle-valve pressure Water check valve 5.
The present invention is improved about water inlet pipe structure above by the embodiment of bottom inlet type inlet valve, anti-siphon, valve seat The equal innovative points that can convert have done complete description, wherein improving about water inlet pipe structure, anti-siphon has innovative point for side inlet type Inlet valve is equally applicable, is exemplified below side inlet type needle-valve inlet valve and is illustrated
As shown in Figure 25-Figure 30, a kind of cistern side inlet type inlet valve, including valve seat 8, pressure water check valve, buoyancy Control mechanism 2, water inlet pipe 9.The water surface 92 (as shown in Figure 29, Figure 30) until the head of the water outlet 91 of water inlet pipe 9, on valve seat 8 Accommodating cavity 80 is formed, the water outlet 91 of water inlet pipe 9 is arranged in the bottom 84 of accommodating cavity 80, and the bottom 84 of accommodating cavity 80, which is equipped with, to be led to The exhalant canal 81 of the water outlet lateral wall 94 of water inlet pipe 9, accommodating cavity 80 are installed needle-valve pressure water check valve 5, equally be can choose Back-pressure water check valve is installed, buoyancy control mechanism 2 controls needle-valve pressure water check valve 5 or back-pressure water check valve realizes water flow On-off.Its buoyancy control mechanism 2, needle-valve pressure water check valve 5, back-pressure water stop valve structure and realization drainage principle are situated between with more than The bottom inlet type inlet valve to continue is identical, and which is not described herein again.
For another example shown in Figure 27, Figure 28, the water outlet 82 of exhalant canal 81 exposes to accommodating cavity bottom outer surface 89, is higher than closestool The maximum water level 7 of water tank setting, the water outlet 82 of such exhalant canal 81 are directly communicated with atmospheric pressure, exhalant canal 81 and horse It not will form water seal between bucket water tank bottom, prevent siphon from generating, it is ensured that anti-siphon function never fails.
For another example shown in Figure 27, Figure 28, the lateral wall of the water outlet 82 of exhalant canal 81 close to the water outlet of water inlet pipe 9 91 94, exhalant canal 81 is equipped with inclined-plane 83 or access ramp, uses the water outlet 82 of water channel 81 towards the water outlet of water inlet pipe 9 91 Lateral wall 94, make from the water of exhalant canal 91 along water inlet pipe 9 94 fair current of lateral wall into cistern, prevent water from disorderly splashing. It is better protected from the splashing of water, diversion pipe 6 is cased on water inlet pipe 9, the upper end 61 of diversion pipe 6 is funnel-shaped, connects logical in water outlet The lower section of the water outlet 82 in road 81.After being cased with diversion pipe 6 on water inlet pipe 9, buoyancy control mechanism 2 is just nested on diversion pipe 6.
Basic principles and main features and advantages of the present invention of the invention have been shown and described above.The skill of the industry Art personnel it should be appreciated that the present invention is not limited to the above embodiments, the above embodiments and description only describe The principle of the present invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these Changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and Its equivalent thereof.

Claims (10)

1. a kind of toilet water tank water inlet valve, including valve seat, pressure water check valve, buoyancy control mechanism, water inlet pipe, it is characterised in that: The accommodating cavity of installation pressure water check valve is formed on valve seat, the water outlet of water inlet pipe, the bottom of accommodating cavity is arranged in the bottom of accommodating cavity Portion is equipped with the exhalant canal for leading to the water outlet lateral wall of water inlet pipe, the water surface until the head of the water outlet of water inlet pipe, and pressure is stopped Water valve includes upper cover, waterstop pad, and waterstop pad is sealed in the accommodating cavity of valve seat by upper cover, and waterstop pad is located at the water outlet of water inlet pipe Head sealing face at, form pressure chamber between waterstop pad and upper cover, pressure chamber has an inlet opening and relief hole respectively, inlet opening with Water inlet pipe communicates, and buoyancy control mechanism controls relief hole opens or closes.
2. a kind of toilet water tank water inlet valve as described in claim 1, it is characterised in that: the pressure water check valve is back pressure pressure Power water check valve, including upper cover, rubber water-proof pad, back pressure pad, the inlet opening are arranged on the guide post of upper cover, and guide post is perforated through Rubber water-proof pad, the relief hole are arranged on upper lid, and the buoyancy control mechanism includes water tank, keg float, connecting rod, pendulum Bar corresponds on swing rod and the back pressure pad is arranged at relief hole, and swing rod one end is hubbed on lid, and the swing rod other end passes through connection Bar is connect with keg float, and keg float is placed in water tank, and water tank cover is on water inlet pipe.
3. a kind of toilet water tank water inlet valve as described in claim 1, it is characterised in that: the pressure water check valve is needle valve pressed Power water check valve, including upper end cover, waterstop pad, stainless pin, the pressure release through-hole through be arranged on waterstop pad, it is described into Water through-hole is also arranged on waterstop pad, and stainless pin passes through upper end cover and is inserted in pressure release through-hole, and stainless pin is equipped with water-carrying groove, The buoyancy control mechanism includes water tank, keg float, connecting rod, swing rod, corresponds on swing rod and is equipped with stainless pin at relief hole, pendulum Bar one end is hubbed on upper end cover, and the swing rod other end is connect by connecting rod with keg float, and keg float is placed in water tank, water tank cover into On water pipe.
4. a kind of toilet water tank water inlet valve as described in claim 1, it is characterised in that: the water outlet of the exhalant canal is exposed In accommodating cavity bottom outer surface, higher than the maximum water level of cistern setting.
5. a kind of toilet water tank water inlet valve as claimed in claim 4, it is characterised in that: the water outlet of the exhalant canal is close The water outlet lateral wall of water inlet pipe, the exhalant canal are equipped with inclined-plane or access ramp, make the water outlet of exhalant canal towards water inlet The water outlet lateral wall of pipe.
6. a kind of toilet water tank water inlet valve as described in claim 1, it is characterised in that: the water outlet of the valve seat and water inlet pipe It holds integrally formed.
7. a kind of toilet water tank water inlet valve as described in claim 1, it is characterised in that: the valve seat is connected to water inlet pipe Water outlet.
8. a kind of toilet water tank water inlet valve as described in claim 1, it is characterised in that: the valve seat is screwed onto water inlet pipe Water outlet.
9. a kind of toilet water tank water inlet valve as described in claim 1, it is characterised in that: the toilet water tank water inlet valve is bottom Inlet type inlet valve or side inlet type inlet valve.
10. a kind of toilet water tank water inlet valve as claimed in claim 9, it is characterised in that: be cased with water conservancy diversion on the water inlet pipe Pipe, the buoyancy control mechanism are nested on diversion pipe.
CN201910472117.2A 2019-05-31 2019-05-31 Water inlet valve for toilet cistern Active CN110117978B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910472117.2A CN110117978B (en) 2019-05-31 2019-05-31 Water inlet valve for toilet cistern

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910472117.2A CN110117978B (en) 2019-05-31 2019-05-31 Water inlet valve for toilet cistern

Publications (2)

Publication Number Publication Date
CN110117978A true CN110117978A (en) 2019-08-13
CN110117978B CN110117978B (en) 2024-05-03

Family

ID=67523522

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910472117.2A Active CN110117978B (en) 2019-05-31 2019-05-31 Water inlet valve for toilet cistern

Country Status (1)

Country Link
CN (1) CN110117978B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111236369A (en) * 2020-02-11 2020-06-05 广东省卡地尔卫浴科技有限公司 Reverse sealing closestool water intaking valve

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4765363A (en) * 1986-08-27 1988-08-23 Pi Yu Ou Intake valve for toilet tank
US6354326B1 (en) * 1998-09-14 2002-03-12 Fluidmaster, Inc. Toilet fill valve with improved noise abatement
CN2558703Y (en) * 2002-06-26 2003-07-02 谢进侦 Water feeding controlling structure of water feeder
CN2931970Y (en) * 2006-07-07 2007-08-08 刘永茂 Water stop mechanism of inlet valve
CN201762791U (en) * 2010-09-15 2011-03-16 厦门瑞尔特卫浴工业有限公司 Water inlet valve used for removing siphon negative pressure
CN202274155U (en) * 2011-09-14 2012-06-13 厦门立业卫浴工业有限公司 Novel inlet valve structure
CN108443564A (en) * 2017-01-24 2018-08-24 厦门立业卫浴工业有限公司 A kind of water check valve
CN210263268U (en) * 2019-05-31 2020-04-07 厦门立业卫浴工业有限公司 Water inlet valve for toilet cistern

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4765363A (en) * 1986-08-27 1988-08-23 Pi Yu Ou Intake valve for toilet tank
US6354326B1 (en) * 1998-09-14 2002-03-12 Fluidmaster, Inc. Toilet fill valve with improved noise abatement
CN2558703Y (en) * 2002-06-26 2003-07-02 谢进侦 Water feeding controlling structure of water feeder
CN2931970Y (en) * 2006-07-07 2007-08-08 刘永茂 Water stop mechanism of inlet valve
CN201762791U (en) * 2010-09-15 2011-03-16 厦门瑞尔特卫浴工业有限公司 Water inlet valve used for removing siphon negative pressure
CN202274155U (en) * 2011-09-14 2012-06-13 厦门立业卫浴工业有限公司 Novel inlet valve structure
CN108443564A (en) * 2017-01-24 2018-08-24 厦门立业卫浴工业有限公司 A kind of water check valve
CN210263268U (en) * 2019-05-31 2020-04-07 厦门立业卫浴工业有限公司 Water inlet valve for toilet cistern

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111236369A (en) * 2020-02-11 2020-06-05 广东省卡地尔卫浴科技有限公司 Reverse sealing closestool water intaking valve

Also Published As

Publication number Publication date
CN110117978B (en) 2024-05-03

Similar Documents

Publication Publication Date Title
CN110106948A (en) A kind of anti-siphonic closet tank intake valve of water
CN101956416B (en) Self-closed water-saving device, method and toilet stool
CN110117978A (en) A kind of toilet water tank water inlet valve
KR910005056Y1 (en) Liquid level control float valve
CN110332346A (en) A kind of anti-siphonic closet tank pressure water stop inlet valve
CN210263268U (en) Water inlet valve for toilet cistern
CN210315847U (en) Anti-siphon toilet cistern inlet valve
CN210134493U (en) Water inlet device with water guide structure
KR102103718B1 (en) Water level control valve
CN211288948U (en) Diaphragm type ball-cock assembly
CN113216337A (en) Float device, method for controlling timely falling of float, water inlet valve and water discharge valve
CN208152176U (en) A kind of flushing device for toilet electromagnetic valve component
CN101788069B (en) Back pressure type water power and water level control valve
CN214884143U (en) Water inlet valve capable of delaying water inlet and toilet bowl
CN110005824A (en) A kind of pilot operated ball float valve of zipper transmission
CN202202377U (en) Water saving device
CN210507671U (en) Water inlet valve with detachable valve seat for toilet cistern
CN214005932U (en) Automatic drainage device
CN211693730U (en) Valve capable of being automatically closed
WO2020237656A1 (en) Water inlet valve for closestool water tank
WO2020237654A1 (en) Anti-siphon toilet water tank water inlet valve
CN215211341U (en) Float device, water inlet valve and water discharge valve
CN101929570A (en) Flap valve
CN215948386U (en) Water inlet valve water replenishing device fixed on drain valve
CN217713711U (en) Automatic regulating valve

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant