CN110117978B - Water inlet valve for toilet cistern - Google Patents
Water inlet valve for toilet cistern Download PDFInfo
- Publication number
- CN110117978B CN110117978B CN201910472117.2A CN201910472117A CN110117978B CN 110117978 B CN110117978 B CN 110117978B CN 201910472117 A CN201910472117 A CN 201910472117A CN 110117978 B CN110117978 B CN 110117978B
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- Prior art keywords
- water
- valve
- water inlet
- inlet pipe
- pressure
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 619
- 229910001220 stainless steel Inorganic materials 0.000 claims description 16
- 239000010935 stainless steel Substances 0.000 claims description 16
- 238000009434 installation Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
- E03D1/30—Valves 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
- E03D1/32—Arrangement of inlet valves
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
- E03D1/30—Valves 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
- E03D1/33—Adaptations or arrangements of floats
Abstract
The invention discloses a toilet water tank water inlet valve, which comprises a valve seat, a pressure water stop valve, a buoyancy control mechanism and a water inlet pipe, wherein the pressure water stop valve comprises an upper cover and a water stop pad, the valve seat is arranged at the water outlet end of the water inlet pipe, a water outlet channel is formed at the bottom of the valve seat and is communicated with the outer side of the water outlet end of the water inlet pipe, the water stop pad is arranged at the water outlet end of the water inlet pipe until the water surface is reached, the upper cover rubber seals the water stop pad and the valve body together, a pressure cavity is formed between the upper cover and the water stop pad, the pressure cavity is respectively provided with a water inlet hole and a pressure relief hole, the water inlet hole is communicated with the water inlet pipe, and the buoyancy control mechanism is arranged outside the pressure relief hole. The water inlet pipe replaces the inner core pipe, so that the water inlet pipe has the function of the inner core pipe, the valve body is simpler to manufacture compared with a side water inlet valve, the installation of the inner core pipe in a valve seat is reduced compared with a bottom water inlet valve, and unnecessary water leakage points are reduced.
Description
Technical Field
The invention belongs to a water inlet valve of a toilet water tank, and particularly relates to a water inlet valve of a pressure water-stopping toilet water tank.
Background
The prior art has a toilet water tank water inlet valve, mainly utilizes the water pressure in a domestic water pipe network to realize water inlet or blocking, and comprises a valve body, a pressure water stop valve, a buoyancy control mechanism and a water inlet pipe, wherein the pressure water stop valve is arranged on the valve body, the valve body is connected to the water inlet pipe, and the buoyancy control mechanism enables the pressure water stop valve to form water pressure or pressure relief inside to realize on-off of water flow. The water inlet valve of the toilet cistern is divided into a side water inlet valve and a bottom water inlet valve according to different water inlet modes, and is divided into a back pressure water inlet valve and a needle valve water inlet valve according to different pressure water stop valve structure modes.
As shown in fig. 1 and 2, CN102345315U discloses a side water intake back pressure intake valve, which comprises a valve body 100, a pressure water stop valve 200, a buoyancy control mechanism 300 and an intake pipe 400, wherein the intake pipe 400 is connected to the side of the valve body 100, the pressure water stop valve 200 comprises an upper cover 201, a rubber water stop pad 202 and an inner core pipe 203, a vertical water outlet channel 101 is formed on the valve body 100, the inner core pipe 203 is transversely arranged in the valve body 100, a transverse water inlet channel 102 is formed between the inner core pipe 203 and the valve body 100, a water outlet end 2031 of the inner core pipe is communicated with the vertical water outlet channel 101, a water stop surface is formed on the end surface of a water inlet end 2032 of the inner core pipe, the rubber water stop pad 202 is arranged at a water inlet end 2032 of the inner core pipe, the upper cover 201 seals the rubber water stop pad 202 and the valve body 100 together, a pressure cavity is formed between the upper cover 201 and the rubber water stop pad 202, the pressure cavity is respectively provided with a water inlet hole and a pressure release hole, the water inlet hole is communicated with the transverse water inlet channel 102, and the buoyancy control mechanism 300 is arranged outside the pressure release hole. When the water inlet pipe 400 is installed, the water inlet pipe 400 is transversely installed on a toilet water tank (not shown), the water inlet pipe 400 is connected with a domestic water pipe network, and the pressure water stop valve 200 is generally higher than the highest water level surface of the toilet water tank to avoid siphon, so that water in the toilet water tank sequentially passes through the water inlet pipe 400, the transverse water inlet channel 102, the inner core pipe 203 and the vertical water outlet channel 101 and enters the domestic water pipe network. When the water-saving device is used, because the water in the toilet water tank is discharged, the buoyancy control mechanism 300 loses buoyancy, the pressure relief hole is opened, water enters the toilet water tank from the water inlet pipe 400, the pressure water stop valve 200 and the vertical water outlet channel 101, and meanwhile, a small part of water enters the pressure cavity through the water inlet hole and flows out through the pressure relief hole, so that the purpose of water inlet is achieved; when the water level in the toilet tank rises to a preset position, the buoyancy control mechanism 300 is triggered to act to block the pressure relief hole, and the pressure relief hole is prevented from draining outwards, and the water inlet hole of the pressure cavity is communicated with the water inlet pipe 400, so that the water pressure in the pressure cavity is suddenly increased, the rubber water stop pad 202 is elastically expanded and deformed, the water stop surface of the water inlet end 2032 of the inner core pipe is blocked, and the water flow between the transverse water inlet channel 102 and the inner core pipe 203 is cut off, so that the water stop purpose is achieved.
As shown in fig. 3, CN202274155U discloses a bottom water inlet back pressure water inlet valve, which comprises a valve body 1', a pressure water stop valve 2', a buoyancy control mechanism 3', a water inlet pipe 4', wherein the water inlet pipe 4' is connected to the lower part of the valve body 1', the pressure water stop valve 2' comprises an upper cover 21', a rubber water stop pad 22', an inner core pipe 23', a water stop surface is formed by the end face of a water outlet end 231' of the inner core pipe, a water inlet end 232' of the inner core pipe is inserted in the water inlet pipe to form a vertical water inlet channel 11', a seal ring is arranged between the inner core pipe 23' and the water inlet pipe 4', the valve body 1' is sleeved on the water inlet pipe 4', a vertical water outlet channel 12' is formed between the valve body 1' and the inner core pipe 23' and the water inlet pipe 4', a rubber water stop pad 22' is arranged at the water outlet end 231' of the inner core pipe, a pressure cavity 24' is formed between the upper cover 21' and the rubber water stop pad 22', the pressure cavity 24' is respectively provided with a water inlet hole 241' and a pressure release hole 242', the water inlet hole 241' is communicated with the vertical water inlet channel 11', and the buoyancy control mechanism 3' is arranged outside the pressure release hole 242 '. When the water inlet pipe 4 'is vertically arranged on a toilet water tank (not shown in the figure), the water inlet pipe is connected with a domestic water pipe network, and the pressure water stop valve 2' is usually higher than the highest water level surface of the toilet water tank to avoid siphon, so that water in the toilet water tank sequentially passes through the water inlet pipe 4', the vertical water inlet channel 11', the inner core pipe 23 'and the vertical water outlet channel 12' and enters the domestic water pipe network. When the water inlet valve is used, the principle is the same as that of a water inlet valve of a water inlet type toilet water tank, and water in the toilet water tank is discharged, so that the buoyancy control mechanism 3' loses buoyancy, the pressure relief hole 242' is opened, water enters the toilet water tank from the water inlet pipe 4' and the pressure water stop valve 2', meanwhile, a small part of water enters the pressure cavity 24' through the water inlet hole 241', and flows out through the pressure relief hole 242', and the purpose of water inlet is achieved at the moment; when the water level in the toilet water tank rises to a preset position, the buoyancy control mechanism 3 'is triggered to act to block the pressure relief hole 242', the pressure relief hole 242 'is prevented from draining outwards, and the water pressure in the pressure cavity is suddenly increased due to the fact that the water inlet hole 241' of the pressure cavity is communicated with the water inlet pipe 4', so that the rubber water stop pad is elastically expanded and deformed to block the water stop surface of the water outlet end 231' of the inner core pipe, and water flow between the vertical water inlet channel 11 'and the vertical water outlet channel 12' is cut off, so that the water stop purpose is achieved.
In view of the above-mentioned two toilet tank inlet valves, as shown in fig. 1 and 2, the inlet pipe and the inner core pipe are required, and the inlet pipe is installed on the side wall of the toilet tank, so that the distance between the pressure water stop valve 200 and the side wall of the toilet tank is not required to be adjusted, the inlet end of the inlet pipe 400 is directly screwed on the side portion of the valve body 100, and the inner core pipe 203 is arranged inside the valve body 100 and integrally formed with the valve body, so that the forming and demolding difficulty of the valve body 100 is increased, the production cost is high, and the production efficiency is reduced. As shown in fig. 3, because the water inlet end of the water inlet pipe 4 'is arranged at the bottom of the toilet water tank, the distance between the pressure water stop valve 2' and the bottom of the toilet water tank needs to be adjusted according to the height of the toilet water tank so as to realize that the pressure water stop valve 2 'is higher than the highest water level of the toilet water tank, the valve body 1' needs to be movably sleeved on the water inlet pipe 4', the inner core pipe 23' is telescopic in the water inlet pipe 4', the inner core pipe 23' and the valve body 1 'are respectively two parts, the forming and demolding difficulty of the valve body 1' is reduced, but the inner core pipe 23 'and the water inlet pipe 4' are sealed after all through the arrangement of a sealing ring, if the sealing ring fails for a long time, a water leakage point is formed between the inner core pipe and the water inlet pipe, and the water of the toilet water tank enters a domestic water pipe network through a vertical water outlet channel, and the water in the domestic water pipe network is polluted.
To this end, the present inventors have developed a toilet tank inlet valve that addresses the above-described shortcomings.
Disclosure of Invention
The invention aims to provide a toilet water tank water inlet valve which is simple in structure and has no water leakage point in a water inlet channel.
In order to achieve the above object, the technical scheme of the present invention is as follows:
The utility model provides a toilet cistern water intaking valve, including the disk seat, the pressure water stop valve, buoyancy control mechanism, the inlet tube, form the holding chamber of installation pressure water stop valve on the disk seat, the bottom of holding chamber sets up the play water channel at the inlet tube, the bottom of holding chamber is equipped with the play water channel that leads to the play water end lateral wall of inlet tube, the head of the play water end of inlet tube is the surface of water, the pressure water stop valve includes the upper cover, the water stop pad, the upper cover seals the holding intracavity at the disk seat with the water stop pad, the water stop pad is located the head water stop surface department of the play water end of inlet tube, form the pressure chamber between water stop pad and the upper cover, the pressure chamber has inlet opening and pressure release hole respectively, the inlet opening communicates with each other with the inlet tube, buoyancy control mechanism controls pressure release hole and opens or closes.
Further, the pressure water stop valve be backpressure pressure water stop valve, including upper cover, rubber water stop pad, backpressure pad, the inlet opening set up on the guide pillar of upper cover, the guide pillar is worn to see through the rubber water stop pad, the pressure release hole set up on the upper cover, buoyancy control mechanism include water tank, float bowl, connecting rod, pendulum rod, correspond pressure release hole department on the pendulum rod and set up the backpressure pad, pendulum rod one end pivot is established on the upper cover, the pendulum rod other end passes through the connecting rod and is connected with the float bowl, the float bowl is arranged in the water tank, the water tank cover is on the inlet tube.
Further, the pressure water stop valve be needle valve pressure water stop valve, including upper end cover, water stop pad, stainless steel needle, the pressure release through-hole run through and set up on water stop pad, the water inlet through-hole also set up on water stop pad, the stainless steel needle passes the upper end cover and inserts in the pressure release through-hole, is equipped with the water tank on the stainless steel needle, buoyancy control mechanism include water tank, float bowl, connecting rod, pendulum rod, correspond pressure release hole department on the pendulum rod and be equipped with the stainless steel needle, pendulum rod one end pivot is established on the upper end cover, the pendulum rod other end passes through the connecting rod and is connected with the float bowl, the float bowl is arranged in the water tank, the water tank cover is on the inlet tube.
Further, the water outlet of the water outlet channel is exposed out of the outer surface of the bottom of the accommodating cavity and is higher than the highest water level line set by the toilet water tank.
Further, the water outlet of the water outlet channel is close to the outer side wall of the water outlet end of the water inlet pipe, and the water outlet channel is provided with an inclined plane, so that the water outlet of the water outlet channel faces the outer side wall of the water outlet end of the water inlet pipe.
Further, the water outlet of the water outlet channel is close to the outer side wall of the water outlet end of the water inlet pipe, and the water outlet channel is an inclined channel, so that the water outlet of the water outlet channel faces the outer side wall of the water outlet end of the water inlet pipe.
Further, the valve seat and the water outlet end of the water inlet pipe are integrally formed.
Further, the valve seat is clamped at the water outlet end of the water inlet pipe.
Further, the valve seat is in threaded connection with the water outlet end of the water inlet pipe.
Furthermore, the water inlet valve of the toilet water tank is a bottom water inlet type water inlet valve, namely the water inlet end of the water inlet pipe is arranged at the bottom of the toilet water tank.
Furthermore, the water inlet valve of the toilet water tank is a side water inlet valve, namely the water inlet end of the water inlet pipe is arranged at the side part of the toilet water tank.
Further, the water inlet pipe is sleeved with a flow guide pipe, and the buoyancy control mechanism is sleeved on the flow guide pipe.
Further, the water inlet pipe is sleeved with a flow guide pipe, and the buoyancy control mechanism is sleeved on the flow guide pipe.
Compared with the prior art, the scheme has the main advantages that: the water inlet pipe is used for replacing the inner core pipe, the inner core pipe is omitted, the water inlet pipe has the inner core pipe function, namely, a water stop surface is directly formed on the end face of the water outlet end of the water inlet pipe, compared with a water inlet valve of a side water inlet type, the valve body is simpler to manufacture, compared with a water inlet valve of a bottom water inlet type, the installation of the inner core pipe in a valve seat is reduced, and unnecessary water leakage points are reduced.
Drawings
FIG. 1 is a side cross-sectional view of a prior art side entry fill valve;
FIG. 2 is a top view of a prior art side entry fill valve;
FIG. 3 is a side cross-sectional view of a conventional bottom entry water inlet valve;
FIG. 4 is a perspective view of a bottom entry fill valve of the present invention;
FIG. 5 is a schematic view of the intake status of the bottom intake backpressure intake valve of the present invention;
FIG. 6 is a second cross-sectional view of the bottom feed backpressure inlet valve of the present invention;
FIG. 7 is an exploded view of the inlet of the bottom feed back pressure inlet valve of the present invention;
FIG. 8 is a cross-sectional view of the bottom feed backpressure feed valve of the present invention in a stopped state;
FIG. 9 is a schematic diagram of the operation of the bottom feed backpressure inlet valve of the present invention;
FIG. 10 is a schematic view of the rubber water stop pad of the bottom feed back pressure water inlet valve of the present invention mated with the upper cover;
FIG. 11 is a cross-sectional view of the inlet valve of the bottom inlet needle valve of the present invention in a closed position;
FIG. 12 is a cross-sectional view of the inlet valve of the bottom inlet needle valve of the present invention;
FIG. 13 is a second cross-sectional view of the inlet valve of the bottom inlet needle valve of the present invention;
FIG. 14 is a cross-sectional exploded view of the inlet valve of the bottom feed needle valve of the present invention;
FIG. 15 is a schematic diagram of the operation of the bottom feed needle inlet valve of the present invention;
FIG. 16 is an exploded view of the water stop pad and stainless needle of the bottom feed needle valve of the present invention;
FIG. 17 is a schematic view of the invention with the valve seat of the bottom inlet valve in engagement with the inlet pipe;
FIG. 18 is a schematic illustration of the invention in a bottom feed back pressure feed valve seat in a snap-fit exploded view with a feed tube;
FIG. 19 is a schematic view of the invention in a snap fit assembly of a valve seat of a bottom feed back pressure water inlet valve with a water inlet pipe;
FIG. 20 is a schematic view of the invention with the valve seat of the bottom inlet valve in threaded connection with the inlet pipe;
FIG. 21 is an exploded view of the invention in threaded connection of the valve seat of the bottom feed back pressure inlet valve to the inlet pipe;
FIG. 22 is a schematic view of the assembly of the valve seat of the bottom feed back pressure inlet valve of the present invention in threaded engagement with the inlet pipe;
FIG. 23 is an exploded view of the invention bottom feed needle valve inlet valve seat and inlet tube snap-in;
FIG. 24 is an exploded view of the invention showing the threaded connection of the inlet valve seat of the bottom inlet needle valve to the inlet tube;
FIG. 25 is a perspective view of a side entry fill valve of the present invention;
FIG. 26 is a cross-sectional view of the inlet valve of the side entry needle valve of the present invention in a stopped state;
FIG. 27 is a second cross-sectional view of the inlet valve of the side entry needle valve of the present invention;
FIG. 28 is a second perspective view of the inlet valve of the side entry needle valve of the present invention;
FIG. 29 is a cross-sectional exploded view of the inlet valve of the side entry needle valve of the present invention;
fig. 30 is a schematic diagram of the operation of the inlet valve of the side entry needle valve of the present invention.
Detailed Description
In order to more clearly illustrate the embodiments of the invention or the solutions of the prior art, the drawings which are necessary for the description of the embodiments or the prior art will be presented, it being obvious that the drawings in the description below are only examples and that other solutions can be obtained according to these drawings without inventive effort for a person skilled in the art.
As is well known, the toilet tank inlet valves are classified into inlet valves of the inlet type and bottom inlet type according to different inlet modes, and are classified into back pressure inlet valves and needle valve inlet valves according to different pressure water stop valve structures. The invention is mainly described by the embodiment of the bottom inlet type water inlet valve, the structural relation and the principle of the invention are applicable to the side inlet type water inlet valve, and the embodiment of the side inlet type water inlet valve is briefly described.
As shown in fig. 4, the water inlet valve at the bottom of a toilet water tank comprises a valve seat 1, a pressure water stop valve, a buoyancy control mechanism 2 and a water inlet pipe 3, wherein the valve seat 1 is arranged at the water outlet end of the water inlet pipe 3, and the buoyancy control mechanism 2 enables water pressure or pressure relief to be formed inside the pressure water stop valve to realize on-off of water flow. The water inlet valve at the bottom of the toilet water tank is divided into a back pressure water inlet valve and a needle valve water inlet valve according to different structural modes of the pressure water stop valve.
As shown in fig. 5, 6, 7 and 8, the bottom water inlet type back pressure water inlet valve comprises a valve seat 1, a back pressure water stop valve 4, a buoyancy control mechanism 2 and a water inlet pipe 3. The valve seat 1 is provided with a containing cavity 10 for installing the valve back pressure water stop valve 4, the bottom 14 of the containing cavity 10 is arranged at the water outlet end 31 of the water inlet pipe 3, the bottom 14 of the containing cavity 10 is provided with a water outlet channel 11 leading to the water outlet end outer side wall 34 of the water inlet pipe 3, the head of the water outlet end 31 of the water inlet pipe 3 is up to the water surface 32 (shown in figure 9), the back pressure water stop valve 4 mainly comprises an upper cover 42, a rubber water stop pad 43 and a back pressure pad 48, the upper cover 42 seals the rubber water stop pad 43 in the containing cavity 10 of the valve seat 1, the rubber water stop pad 43 is positioned at the head water stop surface 32 of the water outlet end 31 of the water inlet pipe 3, a pressure cavity 45 is formed between the rubber water stop pad 43 and the upper cover 42, the pressure cavity 45 is respectively provided with a water inlet hole 46 and a pressure release hole 47, the water inlet hole 46 is arranged on a guide pillar 49 of the upper cover 42 (shown in figure 10), the guide pillar 49 penetrates through the rubber water stop pad 43, the rubber water stop pad 43 is guided, the water inlet hole 46 is communicated with the water inlet pipe 3 (as shown in figure 5), the pressure relief hole 47 is arranged on the upper cover 42, the buoyancy control mechanism 2 is of a common structure of the prior toilet water inlet valve, the prior art comprises a water tank 20, a float 21, a connecting rod 22 and a swinging rod 23, a back pressure pad 48 is arranged on the swinging rod 23 corresponding to the pressure relief hole 47, one end of the swinging rod 23 is pivoted on the upper cover 42, the other end of the swinging rod 23 is connected with the float 21 through the connecting rod 22, the float 21 is arranged in the water tank 20, the water tank 20 is sleeved on the water inlet pipe 3, when the float 21 loses buoyancy in the water tank 20, the swinging rod 23 rotates on the upper cover 42 to fall, the back pressure pad 48 leaves the pressure relief hole 47, the pressure relief hole 47 is opened, when the float 21 receives buoyancy in the water tank 20, the swinging rod 23 rotates on the upper cover 42 to lift, the back pressure pad 48 blocks the pressure relief hole 47, the relief hole 47 is closed.
As shown in fig. 5-10, the water inlet pipe 3 is vertically installed on a toilet water tank (not shown), the water inlet end of the water inlet pipe 3 is connected to a domestic water pipe network (not shown) at the bottom of the toilet water tank, and the back pressure water stop valve 4 is usually higher than the highest water level of the toilet water tank to avoid siphon, so that water in the toilet water tank sequentially passes through the water outlet channel 11 and the water inlet pipe 3 and enters the domestic water pipe network. When the water-saving toilet is used, water in the toilet water tank is discharged, so that water in the water tank 20 of the buoyancy control mechanism 2 leaks, the buoyancy of the floating barrel 21 is lost, the swing rod 23 is not lifted upwards, the back pressure pad 24 does not block the pressure relief hole 47, so that water flowing into the pressure cavity 45 from the water inlet hole 46 can be discharged from the pressure relief hole 4, the pressure cavity 45 at the inner side of the rubber water-saving pad 43 cannot generate water pressure, the rubber water-saving pad 43 continuously deforms towards the upper cover 42 side under the action of the water inlet pressure, the rubber water-saving pad 43 is separated from the head water-saving surface 32 of the water outlet end 31 of the water inlet pipe 3, and a domestic water pipe network enters from the water inlet pipe 3 and flows into the toilet water tank from the water outlet channel 11, so that the water-saving aim is fulfilled. When the water in the toilet tank rises to be full of the floating barrel 21, the floating barrel 21 floats to drive the swing rod 23 to lift, the back pressure pad 24 on the swing rod 23 presses the pressure relief hole 47, so that the water pressure of the pressure cavity 45 flowing into the inner side of the rubber water stop pad 43 is larger and larger to exceed the water inlet pressure of the outer side of the rubber water stop pad 43, the rubber water stop pad 43 is elastically deformed and pressed on the head water stop surface 32 of the water outlet end 31 of the water inlet pipe 3, and the water inlet is closed, so that the automatic water stop function is realized.
As shown in fig. 11, 12, 13 and 14, a bottom inlet needle valve inlet valve is identical to a bottom inlet back pressure inlet valve except that a needle valve pressure water stop valve 5 replaces the back pressure water stop valve 4 with a valve seat 1, a buoyancy control mechanism 2 and an inlet pipe 3. The valve seat 1 is provided with a containing cavity 10 for installing the needle valve pressure water stop valve 5, the bottom 14 of the containing cavity 10 is arranged at the water outlet end 31 of the water inlet pipe 3, the bottom 14 of the containing cavity 10 is provided with a water outlet channel 11 leading to the water outlet end outer side wall 34 of the water inlet pipe 3, the head of the water outlet end 31 of the water inlet pipe 3 is up to the water surface 32 (as shown in figures 19, 20 and 21), the needle valve pressure water stop valve 5 mainly comprises an upper end cover 52, a water stop pad 53 and a stainless steel needle 58, the upper end cover 52 seals the water stop pad 53 in the containing cavity 10 of the valve seat 1, the water stop pad 53 is positioned at the water stop surface 32 of the head of the water outlet end 31 of the water inlet pipe 3, a pressure cavity 55 is formed between the water stop pad 53 and the upper end cover 52, the pressure cavity 55 is respectively provided with a water inlet through hole 56 and a pressure relief through hole 57, the pressure relief through hole 57 is arranged on the water stop pad 53, the water inlet through hole 56 is also arranged on the water stop pad 53, the buoyancy control mechanism 2 is a common structure of the existing toilet water inlet valve, and comprises a water tank 20, a float 21, a connecting rod 22 and a swinging rod 23, wherein a stainless steel needle 58 is arranged on the swinging rod 23 corresponding to a pressure relief through hole 57, the stainless steel needle 58 is inserted into the pressure relief through hole 57 through an upper end cover 52, a water trough 59 (shown in figure 16) is arranged on the stainless steel needle 58, one end of the swinging rod 23 is pivoted on the upper end cover 52, the other end of the swinging rod 23 is connected with the float 21 through the connecting rod 22, the float 21 is arranged in the water tank 20, the water tank 20 is sleeved on the water inlet pipe 3, when the float 21 loses buoyancy in the water tank 20, the swinging rod 23 rotates and falls on the upper end cover 52, the stainless steel needle 58 is partially extracted from the pressure relief hole 47, the swinging rod 23 rotates and lifts on the upper end cover 52 when the float 21 receives buoyancy in the water tank 20, the stainless steel needle 58 is completely inserted into the pressure relief hole 47, the relief hole 47 is blocked, and the relief hole 47 is closed.
As shown in fig. 11-16, the water inlet pipe 3 is vertically installed on a toilet water tank (not shown), the water inlet end of the water inlet pipe 3 is connected to a domestic water pipe network (not shown) at the bottom of the toilet water tank, and the needle valve pressure water stop valve 5 is usually higher than the highest water level of the toilet water tank to avoid siphon, so that water in the toilet water tank sequentially passes through the water outlet channel 11 and the water inlet pipe 3 to enter the domestic water pipe network. When the water-saving toilet is used, water in the water tank 20 of the buoyancy control mechanism 2 leaks out due to the fact that water in the toilet water tank is discharged, the floating barrel 21 loses buoyancy, when the water in the water tank does not rise to the floating barrel position, the swing rod 23 is not lifted, the stainless steel needle 58 is not completely inserted into the pressure release through hole 57 which blocks the top of the water-saving gasket 53, so that water flowing into the inner side of the water-saving gasket 53 can be discharged from the pressure release through hole 57, water pressure cannot be generated in the inner side pressure cavity 55 of the water-saving gasket 53, the water-saving gasket 53 continuously deforms towards the upper end cover 52 side under the action of water inlet pressure, the water-saving gasket 53 is separated from the water-saving surface 32 of the water inlet pipe 3, and domestic water pipe network enters from the water inlet pipe 3 and flows into the toilet water tank from the water outlet channel 11, so that the water-saving gasket can be filled. When the water in the toilet tank rises to be full of the floating barrel 21, the floating barrel 21 floats to drive the swing rod 23 to lift, the stainless steel needle 58 on the swing rod 23 is completely inserted into the pressure relief through hole 57 at the top of the water stop pad 53, so that the water flowing into the inner side of the water stop pad 53 cannot be discharged, the water pressure of the inner side of the water stop pad 53 is larger and larger, the water pressure exceeds the water inlet pressure of the outer side of the water stop pad 53, the water stop pad 53 is elastically deformed and pressed on the water stop surface 32 of the water inlet pipe 3, and the water inlet is closed, so that the automatic water stop function is realized.
Compared with the prior art, the two bottom water inlet type toilet cistern water inlet valves listed above have the main advantages that: the inner core pipe is omitted, the water inlet pipe is used for replacing the inner core pipe, the water inlet pipe has the function of the inner core pipe, namely, a water stop surface is directly formed on the end face of the water outlet end of the water inlet pipe, the inner core pipe component is omitted relative to the water inlet valve of the bottom water inlet type toilet water tank, the installation of the inner core pipe in the valve seat is reduced, unnecessary water leakage points are reduced, and compared with the water inlet valve of the side water inlet type, the valve body is simpler to manufacture.
As shown in fig. 5-8 and 11-14, the bottom of the accommodating cavity 10 of the valve seat 1 is arranged at the water outlet end 31 of the water inlet pipe 3, the bottom 14 of the accommodating cavity 10 of the valve seat 1 is provided with a water outlet channel 11, and the water outlet 12 of the water outlet channel 11 is exposed out of the bottom outer surface 19 of the accommodating cavity and is higher than the highest water level line set by the toilet water tank. The water outlet 12 of the water outlet channel 11 is directly communicated with the atmospheric pressure, no water seal is formed between the water outlet channel 11 and the bottom of the toilet water tank, when the water in the water inlet pipe 3 is suddenly in a pressure loss state, the rubber water stop pad or the water stop pad can not block the head water stop surface 32 of the water outlet end 31 of the water inlet pipe 3, the atmospheric pressure is directly supplemented into the water inlet pipe 3 through the water outlet 12 of the water outlet channel 11, so that the air pressure in the water inlet channel 11 is kept in relative balance with the outside, the siphon is prevented from being generated, the siphon prevention function is ensured to never lose efficacy, the siphon prevention pad or the siphon prevention plug component and the structural failure risk are also saved, and the valve seat structure can be designed to be simpler.
As shown in fig. 5 and 12, the water outlet 12 of the water outlet channel 11 is close to the outer side wall 34 of the water outlet end 31 of the water inlet pipe 3, the water outlet channel 11 is provided with an inclined surface 13, so that the water outlet 12 of the water outlet channel 11 faces the outer side wall 34 of the water outlet end 31 of the water inlet pipe 3, of course, the water outlet channel 11 can also be an inclined channel, so that the water outlet 12 of the water outlet channel 11 faces the outer side wall 34 of the water outlet end 31 of the water inlet pipe 3, water from the water outlet channel 11 flows along the outer side wall 34 of the water inlet pipe 3 into the toilet water tank, water can not splash randomly, water inlet noise can be reduced, meanwhile, the water outlet 12 of the water outlet channel 11 is exposed out of the outer surface 15 of the accommodating cavity bottom, and is not a relatively closed hollow pipe, water flowing in the pipeline can not form resonance, and water inlet noise can also be reduced.
As shown in fig. 4, 5 and 12, in order to better prevent splashing of water, a flow guide pipe 6 is sleeved on the water inlet pipe 3, and the upper end 61 of the flow guide pipe 6 is in a funnel shape and is connected below the water outlet 12 of the water outlet channel 11. Naturally, after the water inlet pipe 3 is sleeved with the diversion pipe 6, the buoyancy control mechanism 2 is sleeved on the diversion pipe 6.
As shown in fig. 5-8 and 11-14, the bottom 14 of the accommodating chamber 10 of the valve seat 1 is integrally formed with the water outlet end 31 of the water inlet pipe 3. Of course, the valve seat 1 can not move on the water inlet pipe 3, and particularly for a bottom water inlet valve, the height of the valve seat 1 on the water inlet pipe 3 can not be adjusted, so that the back pressure water stop valve 4 and the needle valve pressure water stop valve 5 can not be adjusted according to the height of the toilet water tank and the distance between the back pressure water stop valve and the bottom of the toilet water tank can not be adjusted, but the installation requirement of a common toilet water tank can be met as long as the height of the water inlet pipe is properly set.
In view of this, the bottom of the accommodating chamber of the valve seat is movably mounted at the water outlet end of the water inlet pipe, as shown in fig. 17, 18, 19 and 23, the bottom 14 of the accommodating chamber 10 of the valve seat 1 is clamped at the water outlet end 31 of the water inlet pipe 3, the side surface of the water outlet end 31 extends out of the latch 35, the bottom 14 of the accommodating chamber 10 of the valve seat 1 forms a sleeve 15, the inner wall of the sleeve 15 forms a clamping groove 16, and the valve seat 1 is clamped on the water outlet end 31 of the water inlet pipe 3 by screwing the latch 35 into the clamping groove 16. As shown in fig. 20, 21, 22 and 24, the valve seat 1 is screwed on the water outlet end 31 of the water inlet pipe 3, an external thread 36 is formed on the side surface of the water outlet end 31, a sleeve 15 is formed on the bottom 14 of the accommodating cavity 10 of the valve seat 1, an internal thread 17 is formed on the inner wall of the sleeve 15, and the valve seat 1 is screwed on the water outlet end 31 of the water inlet pipe 3 by screwing the internal thread 17 into the external thread 36. So, can select the disk seat 1 of the high overlapping pipe of difference according to the height of toilet tank to match the toilet tank of different height, also make things convenient for disk seat 1 and backpressure pressure water stop valve 4, needle valve pressure water stop valve 5 to follow the inlet tube and conveniently assemble and dismantle, when pressure water stop valve became invalid, new backpressure pressure water stop valve 4, needle valve pressure water stop valve 5 were replaced.
The invention has been fully described with respect to the innovative aspects of improved inlet pipe structure, anti-siphon, seat replacement, etc. by the embodiments of the bottom inlet type inlet valve, wherein the innovative aspects of improved inlet pipe structure and anti-siphon are equally applicable to the side inlet type inlet valve, and the following list of side inlet type needle valve inlet valves are described below
As shown in fig. 25-30, a toilet tank side inlet valve comprises a valve seat 8, a pressure water stop valve, a buoyancy control mechanism 2 and an inlet pipe 9. The water surface 92 (as shown in fig. 29 and 30) is reached by the head of the water outlet end 91 of the water inlet pipe 9, the accommodating cavity 80 is formed on the valve seat 8, the bottom 84 of the accommodating cavity 80 is arranged at the water outlet end 91 of the water inlet pipe 9, the bottom 84 of the accommodating cavity 80 is provided with a water outlet channel 81 leading to the water outlet end outer side wall 94 of the water inlet pipe 9, the accommodating cavity 80 is provided with the needle valve pressure water stop valve 5, the back pressure water stop valve can be selectively installed, and the buoyancy control mechanism 2 controls the needle valve pressure water stop valve 5 or the back pressure water stop valve to realize the on-off of water flow. The buoyancy control mechanism 2, the needle valve pressure water stop valve 5 and the back pressure water stop valve structure and the water discharge principle are completely the same as those of the bottom water inlet type water inlet valve introduced above, and the description is omitted here.
As shown in fig. 27 and 28, the water outlet 82 of the water outlet channel 81 is exposed out of the bottom outer surface 89 of the accommodating cavity and is higher than the highest water level line 7 set by the toilet water tank, so that the water outlet 82 of the water outlet channel 81 is directly communicated with the atmospheric pressure, no water seal is formed between the water outlet channel 81 and the bottom of the toilet water tank, the generation of siphon is prevented, and the anti-siphon function is ensured to never fail.
As shown in fig. 27 and 28, the water outlet 82 of the water outlet channel 81 is close to the outer side wall 94 of the water outlet end 91 of the water inlet pipe 9, and the water outlet channel 81 is provided with an inclined surface 83 or an inclined channel, so that the water outlet 82 of the water outlet channel 81 faces the outer side wall 94 of the water outlet end 91 of the water inlet pipe 9, and water from the water outlet channel 91 flows along the outer side wall 94 of the water inlet pipe 9 into the toilet tank, thereby preventing water from splashing. The splash of water is better prevented, a flow guide pipe 6 is sleeved on the water inlet pipe 9, the upper end 61 of the flow guide pipe 6 is in a funnel shape and is connected below the water outlet 82 of the water outlet channel 81. After the water inlet pipe 9 is sleeved with the diversion pipe 6, the buoyancy control mechanism 2 is sleeved on the diversion pipe 6.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a toilet tank water intaking valve, includes disk seat, pressure water stop valve, buoyancy control mechanism, inlet tube, its characterized in that: the water-stopping valve comprises an upper cover and a water-stopping cushion, the upper cover seals the water-stopping cushion in the accommodating cavity of the valve seat, the water-stopping cushion is positioned at the water-stopping surface of the head of the water outlet end of the water inlet pipe, a pressure cavity is formed between the water-stopping cushion and the upper cover, the pressure cavity is respectively provided with a water inlet hole and a pressure relief hole, the water inlet hole is communicated with the water inlet pipe, and the buoyancy control mechanism controls the pressure relief hole to be opened or closed;
The pressure water stop valve be needle valve pressure water stop valve, including upper end cover, water stop pad, stainless steel needle, the relief vent run through and set up on the water stop pad, the inlet port also set up on the water stop pad, the stainless steel needle passes the upper end cover and inserts in the relief vent, is equipped with the water tank on the stainless steel needle, buoyancy control mechanism include water tank, float bowl, connecting rod, pendulum rod, correspond the relief vent department on the pendulum rod and be equipped with the stainless steel needle, pendulum rod one end pivot is established on the upper end cover, the pendulum rod other end passes through the connecting rod and is connected with the float bowl, the float bowl is arranged in the water tank, the water tank cover is on the inlet tube.
2. A toilet tank fill valve as in claim 1 wherein: the water outlet of the water outlet channel is exposed out of the bottom outer surface of the accommodating cavity and is higher than the highest water level line set by the toilet water tank.
3. A toilet tank fill valve as in claim 2 wherein: the water outlet of the water outlet channel is close to the outer side wall of the water outlet end of the water inlet pipe, and the water outlet channel is provided with an inclined plane or an inclined channel, so that the water outlet of the water outlet channel faces the outer side wall of the water outlet end of the water inlet pipe.
4. A toilet tank fill valve as in claim 1 wherein: the valve seat and the water outlet end of the water inlet pipe are integrally formed.
5. A toilet tank fill valve as in claim 1 wherein: the valve seat is clamped at the water outlet end of the water inlet pipe.
6. A toilet tank fill valve as in claim 1 wherein: the valve seat is in threaded connection with the water outlet end of the water inlet pipe.
7. A toilet tank fill valve as in claim 1 wherein: the water inlet valve of the toilet water tank is a bottom water inlet valve or a side water inlet valve.
8. A toilet tank fill valve as in claim 7 wherein: the water inlet pipe is sleeved with a flow guide pipe, and the buoyancy control mechanism is sleeved on the flow guide pipe.
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| 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 |
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| CN110117978A CN110117978A (en) | 2019-08-13 |
| CN110117978B true CN110117978B (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910472117.2A Active CN110117978B (en) | 2019-05-31 | 2019-05-31 | Water inlet valve for toilet cistern |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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| 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 |
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| 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 |
-
2019
- 2019-05-31 CN CN201910472117.2A patent/CN110117978B/en active Active
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| 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 |
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| CN110117978A (en) | 2019-08-13 |
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