CN110332346A - A kind of anti-siphonic closet tank pressure water stop inlet valve - Google Patents
A kind of anti-siphonic closet tank pressure water stop inlet valve Download PDFInfo
- Publication number
- CN110332346A CN110332346A CN201910740050.6A CN201910740050A CN110332346A CN 110332346 A CN110332346 A CN 110332346A CN 201910740050 A CN201910740050 A CN 201910740050A CN 110332346 A CN110332346 A CN 110332346A
- Authority
- CN
- China
- Prior art keywords
- water
- valve
- valve seat
- proof pad
- rubber
- 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.)
- Pending
Links
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/18—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on either side
Abstract
The present invention discloses a kind of anti-siphonic closet tank pressure water stop inlet valve, including valve seat, pressure water check valve, buoyancy control mechanism, intake tunnel, exhalant canal, accommodating cavity is formed on valve seat, the bottom of accommodating cavity is equipped with the water outlet of intake tunnel, the end face of water outlet forms sealing face, pressure water check valve includes upper cover, rubber water-proof pad, rubber water-proof pad is sealed in accommodating cavity by upper cover, rubber water-proof pad is placed in above sealing face, water cavity was formed between rubber water-proof pad and accommodating cavity bottom, the water inlet of exhalant canal is communicated with water cavity is crossed, exhalant canal is upwardly extended along the side wall of valve seat, the outlet of exhalant canal is exposed on the outside of the upper edge of valve seat, pressure chamber is formed between rubber water-proof pad and upper cover, the water flow that the hydraulic pressure of buoyancy control mechanism controls pressure chamber makes the deformation of rubber water-proof pad block or leave sealing face realization inlet valve is logical It is disconnected.This case advantage is that the water outlet of exhalant canal is exposed on the outside of valve seat upper edge, avoids water seal from being formed, prevents siphon from generating.
Description
Technical field
The invention belongs to cistern pressure water stop inlet valve, in particular to a kind of anti-siphonic closet tank pressure sealing into
Water valve.
Background technique
The cistern pressure water stop inlet valve of the prior art, mainly realized using the hydraulic pressure in domestic water pipe network into
Water or blocking, including valve body, pressure water check valve, buoyancy control mechanism, water inlet pipe, pressure water check valve are mounted on valve body, valve body
It connects and sets 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
Cistern pressure water stop inlet valve is different according to pressure water stop valve structure mode, and is divided into back pressure inlet valve, needle-valve inlet valve.
As shown in Figure 1 and Figure 2, CN202274155U document discloses a kind of cistern back pressure inlet valve, including valve body
1 ', pressure water check valve 2 ', buoyancy control mechanism 3 ', inner core tube 23 ', water inlet pipe 4 ', valve body 1 ' include the accommodating cavity at top under
The casing 18 ' in portion forms, and valve body 1 ' is socketed in the outside of water inlet pipe 4 ' by casing 18 ', and the water outlet 231 ' of inner core tube 23 ' is convex
For accommodating cavity bottom, the 231 ' end face of water outlet of inner core tube 23 ' forms sealing face, and the water inlet end 232 ' of inner core tube 23 ' passes through
Accommodating cavity sealing is plugged on water inlet pipe 4 ' and forms intake tunnel 11 ', space between casing 18 ' and inner core tube 23 ' and water inlet pipe 4 '
Exhalant canal 12 ' is formed, the water outlet 121 ' of exhalant canal 12 ' stretches to cistern bottom, and pressure water check valve 2 ' is counterbalance valve,
Including upper cover 21 ', rubber water-proof pad 22 ', back pressure pad 25 ', rubber water-proof pad 22 ' is arranged in the water outlet 231 ' of inner core tube 23 '
Rubber water-proof pad 22 ' is sealed in the accommodating cavity of valve body 1 ' by top, upper cover 21 ', rubber water-proof pad 22 ' and accommodating cavity bottom it
Between formed water cavity 19 ', pressure chamber 24 ' is formed between rubber water-proof pad 22 ' and upper cover 21 ', pressure chamber 24 ' has inlet opening respectively
241 ' communicate on the guide post 211 ' of upper cover 21 ' with intake tunnel 11 ' with relief hole 242 ', the setting of inlet opening 241 ',
Guide post 211 ' is perforated through rubber water-proof pad 22 ', and the relief hole 242 ' is arranged in upper cover 21 ', the buoyancy control machine
Structure 3 ' includes water tank 31 ', keg float 32 ', connecting rod 33 ', swing rod 34 ', is corresponded to described in the setting of 242 ' place of relief hole on swing rod 34 '
Back pressure pad 25 ', 34 ' one end of swing rod are hubbed in upper cover 21 ', and the 34 ' other end of swing rod is connect by connecting rod 33 ' with keg float 32 ',
Keg float 32 ' is placed in water tank 31 ', and water tank 31 ' covers on casing 18 ', and buoyancy control mechanism 3 ', which controls relief hole 242 ', unlatching
And closing.
When installation, water inlet pipe 4 ' is mounted vertically in cistern (figure does not regard out), water inlet pipe 4 ' and domestic water pipe network
Connect, so that pressure water check valve 2 ' is higher than cistern has peak level face to avoid siphon is generated, and avoids in cistern
Water pass sequentially through exhalant canal 12 ', cross water cavity 19 ', intake tunnel 11 ' and enter domestic water pipe network in.In use, because of closestool
The water of water tank is discharged, to make the 32 ' loss of buoyance of keg float of buoyancy control mechanism 3 ', swing rod 34 ' is rotated down, back pressure pad
25 ' leave relief hole 242 ', and water enters in cistern from intake tunnel 11 ', excessively water cavity 19 ', exhalant canal 12 ', meanwhile, one
The water of fraction enters pressure chamber 24 ' by inlet opening 241 ', then is flowed out by relief hole 242 ', reaches the mesh into water at this time
's；When the water level in cistern rises to predetermined position, trigger buoyancy control mechanism 3 ' keg float 32 ' due to buoyancy on
It rises, swing rod 34 ' is rotated up, and back pressure pad 25 ' blocks relief hole 242 ', prevents relief hole 242 ' from draining outward, because of pressure chamber
Inlet opening 241 ' communicated with water inlet pipe 4 ', so that the hydraulic pressure caused stress in chamber 24 ' increases suddenly, so that rubber water-proof pad
22 ' occur elastic expansion deformation, block the sealing face of the water outlet 231 ' of inner core tube 23 ', and cutting intake tunnel 11 ' and water outlet are logical
Water flow between road 12 ', achievees the purpose that sealing.
The water in domestic water pipe network is contaminated in order to prevent, and cistern pressure water stop inlet valve needs to carry out anti-siphon
Design, as shown in Figure 1, since the casing 18 ' of 1 ' lower part of valve body is socketed in the outside of water inlet pipe 4 ', casing 18 ' and inner core tube 23 '
Space forms exhalant canal 12 ' between water inlet pipe 4 ', therefore the water route of inlet valve extends upwardly past water cavity in intake tunnel 11 '
19 ' directly bend afterwards downwards with the extension of exhalant canal 12 ', and the water outlet 121 ' of exhalant canal 12 ' stretches to cistern bottom, out
The remote bottom of the water outlet 121 ' of aquaporin 12 ' is set with maximum water level, exhalant canal 12 ' and cistern bottom in cistern
Between water seal easy to form, therefore, between exhalant canal 12 ' and intake tunnel 11 ' cross water cavity 19 ' in is provided with anti-siphon pad
5 ', when the water in water inlet pipe 4 ' is in rapid decompression, cause rubber water-proof pad 22 ' that the water outlet of inner core tube 23 ' cannot be blocked
231 ' sealing face, anti-siphon pad 5 ' prevent the aqueous reflux of cistern from entering water service pipe because suck-back seals exhalant canal 12 '
In net, avoid the water in domestic water pipe network contaminated.
For this purpose, the present inventor is directed to above-mentioned disadvantage, the exhalant canal of cistern pressure water stop inlet valve is carried out
It improves.
Summary of the invention
The purpose of the present invention is to provide a kind of anti-siphonic closet tank pressure water stop inlet valves, and the inlet valve is in water inlet pipe
In water will not generate water seal in rapid decompression, prevent siphon from generating.
To achieve the goals above, technical scheme is as follows:
A kind of anti-siphonic closet tank pressure water stop inlet valve, including valve seat, pressure water check valve, buoyancy control mechanism, into
Aquaporin, exhalant canal, form accommodating cavity on valve seat, and the bottom of accommodating cavity is equipped with the water outlet of intake tunnel, the end of water outlet
Face forms sealing face, and pressure water check valve includes upper cover, rubber water-proof pad, and rubber water-proof pad is sealed in accommodating cavity by upper cover, rubber
Glue waterstop pad is placed in above sealing face, and water cavity, the water inlet of exhalant canal were formed between rubber water-proof pad and accommodating cavity bottom
It is communicated with water cavity is crossed, exhalant canal is upwardly extended along the side wall of valve seat, and the water outlet of exhalant canal is exposed at the upper edge of valve seat
Outside, forms pressure chamber between rubber water-proof pad and upper cover, the hydraulic pressure of buoyancy control mechanism controls pressure chamber makes rubber water-proof pad
Deformation blocks or leaves the water flow on-off that inlet valve is realized in sealing face.
Further, the rubber water-proof pad has an inlet opening and relief hole respectively, and inlet opening is by pressure chamber and intake tunnel
Water outlet communicate, buoyancy control mechanism controls relief hole open or close control the hydraulic pressure of pressure chamber make rubber water-proof pad become
Shape blocks or leaves the water flow on-off that inlet valve is realized in sealing face.
Further, the intake tunnel is formed by water inlet pipe, and the bottom of valve seat is arranged in water inlet pipe, with valve seat one at
Type.
Further, the intake tunnel is formed by water inlet pipe, and water inlet pipe, which connects, to be set in the bottom of valve seat, it is seperated with valve seat at
Type.
Further, the water inlet pipe is clamped or is screwed onto the bottom of valve seat.
Further, the side wall of the valve seat is embedded is cased with lasso, forms accommodating cavity in lasso, exhalant canal is formed in valve
Between the inside sidewalls and lasso of seat.
Further, the water outlet of the exhalant canal is equipped with inclined-plane, makes outside of the water outlet of exhalant canal towards valve seat.
Further, the water outlet of the exhalant canal is access ramp, makes outside of the water outlet of exhalant canal towards valve seat.
Further, the water outlet of the exhalant canal is higher than the sealing face of the water outlet port of intake tunnel.
Further, the pressure water check valve is counterbalance valve, including upper cover, rubber water-proof pad, back pressure pad, the water inlet
Hole 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.
Further, the pressure water check valve is needle-valve, including upper cover, rubber water-proof pad, stainless pin, rubber water-proof pad
Including sealing ring, sealing seat, needle guard, sealing seat is annulus, and the bottom of sealing seat is plugging surface, is equipped with needle guard in the middle part of sealing seat,
Needle guard is equipped with longitudinal hole along axis, and the upper section of longitudinal hole is relief hole, and the middle section of corresponding longitudinal hole is in the side of needle guard
Wall is equipped with radial inlet opening, and the lower part of needle guard and the ring inner elastic of annulus connect, the outside bullet of sealing ring and sealing seat
Property connection, the upper section of stainless pin is the polished rod with relief hole tight fit, and the middle section of stainless pin is one section of necking down, stainless pin
Lower section offer water-carrying groove.
Further, upper edge or lower along elastic connection on the inside of the ring of the lower part of needle guard and annulus.
Compared with present technology, the exhalant canal of traditional inlet valve is by empty between casing and inner core tube and water inlet pipe for this case
Between formed, water route is to extend downwardly, i.e., the water of traditional inlet valve enters from intake tunnel, is overflowed by sealing face, then pass through
It crosses after water cavity, continues to flow downward out along exhalant canal, and this case changes those skilled in the art and passes through standing meter, main improve exists
It is upwardly extended in exhalant canal along valve seat wall, the outlet of exhalant canal is exposed on the outside of the upper edge of valve seat, exhalant canal
Water route, which is to continue with, to be upwardly extended, and the outlet port of such exhalant canal is higher than the sealing face of the water outlet port of intake tunnel, also high
In the maximum water level of cistern setting.When the water in intake tunnel is in rapid decompression, rubber water-proof pad or waterstop pad are caused
When cannot block the sealing face of the water outlet of intake tunnel, atmosphere is directly filled into water inlet pipe by the water outlet of exhalant canal
Pressure makes air pressure and external holding relative equilibrium in intake tunnel, prevents siphon from generating, while ensuring that anti-siphon function is never lost
Effect also saves anti-siphon pad or anti-siphon plunger member and structural failure risk, and valve seat construction is designed simpler.
Detailed description of the invention
Fig. 1 is the sectional side view of existing bottom inlet type inlet valve；
Fig. 2 is the partial enlarged view of Fig. 1；
Fig. 3 is perspective view of the invention；
Fig. 4 is longitudinal sectional view one of the invention；
Fig. 5 is longitudinal sectional view two of the invention；
Fig. 6 is the partial enlarged view of Fig. 4；
Fig. 7 is the exploded view one that Fig. 6 is；
Fig. 8 is the exploded view two that Fig. 6 is；
Fig. 9 is the working principle of the invention figure one；
Figure 10 is that water inlet valve base of the invention is threadedly coupled exploded view with water inlet pipe；
Figure 11 is working principle diagram two of the invention；
Figure 12 is sealing state partial sectional view of the invention；
Figure 13 is water inlet state partial sectional view of the invention；
Figure 14 is effluent state partial sectional view of the invention；
Figure 15 is the rubber water-proof pad and stainless pin constitutional diagram of needle-valve of the invention；
Figure 16 is the rubber water-proof pad and stainless pin assembled sectional view of needle-valve of the invention；
Figure 17 is the rubber water-proof pad and stainless pin decomposition view of needle-valve of the invention；
Figure 18 is that the rubber water-proof of needle-valve of the invention pads a perspective view；
Figure 19 is that the rubber water-proof of needle-valve of the invention pads a cross-sectional view；
Figure 20 is that the rubber water-proof of needle-valve of the invention pads two perspective views；
Figure 21 is that the rubber water-proof of needle-valve of the invention pads two cross-sectional views；
Figure 22 is the rubber water-proof pad and stainless needle assembled sectional view of needle-valve of the invention；
Figure 23 is sealing state partial sectional view of the invention；
Figure 24 is effluent state partial sectional view 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.
As shown in Fig. 3-Fig. 7, a kind of anti-siphonic closet tank pressure water stop inlet valve, including valve seat 1, pressure water check valve 4,
Buoyancy control mechanism 2, intake tunnel 3, exhalant canal 5 form accommodating cavity 10 on valve seat 1, and the bottom 11 of accommodating cavity 10 is equipped with
The water outlet 31 of intake tunnel 3, the end face of water outlet 31 form sealing face 32, and pressure water check valve 4 includes upper cover 41, rubber water-proof
Rubber water-proof pad 42 is sealed in accommodating cavity 10 by pad 42, upper cover 41, and rubber water-proof pad 42 is placed in the top in sealing face 32, rubber
Water cavity 12 was formed between waterstop pad 42 and the bottom 11 of accommodating cavity 10, the water inlet 51 of exhalant canal 5 is communicated with water cavity 12 is crossed,
Exhalant canal 5 is upwardly extended along the side wall of valve seat 1, and the water outlet 52 of exhalant canal 5 is exposed at 14 on the outside of the upper edge of valve seat 1,
Pressure chamber 43 is formed between rubber water-proof pad 42 and upper cover 41, the hydraulic pressure that buoyancy control mechanism 2 controls pressure chamber 43 stops rubber
The deformation of water cushion 42 blocks or leaves the water flow on-off that inlet valve is realized in sealing face 32.
As shown in Fig. 4, Fig. 6, Fig. 9, intake tunnel 3 is directly formed by water inlet pipe 33, eliminates existing inner core tube, with into
Water pipe 33 makes water inlet pipe 33 have the function of inner core tube, i.e., directly in the end face of the water outlet of intake tunnel 3 31 instead of inner core tube
Sealing face 32 is formed, installation of the inner core tube in valve seat 1 is reduced, reduces unnecessary leakage point.Water inlet pipe 33 is arranged in valve seat 1
Bottom, be integrally formed with valve seat 1, naturally it is also possible to which seperated with valve seat 1 to form, water inlet pipe 33 is screwed onto the bottom of valve seat 1 (such as
Shown in Figure 10), similarly according to product design needs, water inlet pipe 33 can also be connected to the bottom of valve seat 1.Certainly, such valve seat 1
It cannot be moved on water inlet pipe 33, height can not be adjusted, cause pressure water check valve 4 that cannot need the height according to cistern
Distance still as long as water inlet pipe 33 is highly arranged suitably, is able to satisfy common closestool between degree adjustment and cistern bottom
The installation of water tank needs.
As shown in Fig. 4-Fig. 8, communicated in view of the water inlet 51 of exhalant canal 5 with water cavity 12 is crossed, water outlet 52 is exposed at again
14 on the outside of the upper edge of valve seat 1, so the water outlet water route of exhalant canal 5 is more bent, in order to more preferably produce Aquaporin-5, if
There is the lasso 15 being adapted with 13 size of inside sidewalls of valve seat 1, forms accommodating cavity 10, the valve that lasso 15 is nested in lasso 15
The inside sidewalls 13 of seat 1, exhalant canal 5 are formed between the inside sidewalls 13 of valve seat 1 and lasso 15.
As shown in Fig. 4, Fig. 5, Fig. 7, the water outlet 52 of the exhalant canal 5 is set as inclined-plane, uses the water outlet of Aquaporin-5
52 towards on the outside of the upper edge of valve seat 1 14, certainly, the water outlet 52 of the exhalant canal 5 can also be access ramp, make logical from water outlet
14 fair currents are into cistern on the outside of the upper edge of valve seat 1 for the water of the water outlet 52 in road 5 come out, and water will not disorderly splash, and energy
Enough reduction water inlet noises, meanwhile, the water outlet 52 of exhalant canal 5 is exposed at 14 on the outside of the upper edge of valve seat 1, not relative closure
Blank pipe, lateral surface flowing of the water in valve seat 1 and water inlet pipe 33 not will form sympathetic response, water inlet noise can also become smaller.
As shown in Figure 4, Figure 5, in order to be better protected from the splashing of water, diversion pipe 6, diversion pipe 6 are cased on water inlet pipe 33
Upper end 61 it is funnel-shaped, connect in the lower section of the water outlet 52 of exhalant canal 5.Certainly after being cased with diversion pipe 6 on water inlet pipe 33,
Buoyancy control mechanism 2 is just nested on diversion pipe 6.
Usual pressure water check valve 4 is higher than the peak level face of cistern to avoid siphon is generated, and avoids in cistern
Water is entered in domestic water pipe network by exhalant canal 11, water inlet pipe 33.And the present invention not only retains pressure water check valve 4 and is higher than
Except the design in the peak level face of cistern, the water outlet water route of exhalant canal 5 is more importantly improved, Aquaporin-5 is designed
It is upwardly extended along 1 side wall of valve seat, the water outlet 52 of exhalant canal 5 is exposed at 14 on the outside of the upper edge of valve seat 1, exhalant canal 5
Water route, which is to continue with, to be upwardly extended, and 52 position of water outlet of such exhalant canal 5 is higher than the sealing face of the water outlet 31 of intake tunnel 3
32, also above the maximum water level of cistern setting.When the water in water inlet pipe 33 is in rapid decompression, rubber water-proof pad 42 is caused
It is straight into water inlet pipe 33 by the water outlet 52 of exhalant canal 5 when cannot block the sealing face 32 of the water outlet 31 of intake tunnel 3
It connects and fills into atmospheric pressure, make the air pressure and external holding relative equilibrium in intake tunnel 3, prevent siphon from generating, while ensuring anti-rainbow
It inhales function never to fail, also saves anti-siphon pad or anti-siphon plunger member and structural failure risk, and valve seat construction is designed more
Simply.
The goal of the invention of this case is that anti-siphon generates, and what emphasis changed is the water route of inlet valve, therefore, pressure water check valve 4 floats
Power control mechanism 2 is all made of existing structure, according to industry knowledge it is found that pressure water check valve 4 is according to pressure water stop valve structure side
Formula is different, is divided into counterbalance valve, needle-valve, what background of invention used is exactly counterbalance valve, same for technical solution of the present invention
It is applicable in, needle-valve is set forth below.
Such as Figure 15Pressure water check valve shown in Figure 24 4 is needle-valve, mainly includes upper cover 41, rubber water-proof pad 42, stainless steel
Needle 46, rubber water-proof pad 42 include sealing ring 421, sealing seat 422, needle guard 423, and sealing seat 422 is annulus, sealing seat 422
Bottom 426 is plugging surface, and the middle part of sealing seat 422 is equipped with needle guard 423, and needle guard 423 is equipped with longitudinal hole 40 along axis, longitudinal
The upper section of through-hole 40 is relief hole 45, and the middle section of corresponding longitudinal hole 40 is equipped with radial inlet opening on the side wall of needle guard 423
44, the lower part of needle guard 423 is connect on the inside of the ring of sealing seat 422 427,429 bullets on the outside of the ring of sealing ring 421 and sealing seat 422
Property connection, the upper section of stainless pin 46 is the polished rod 461 with 45 tight fit of relief hole, and the middle section of stainless pin 46 is one section of necking down
462, the lower section of stainless pin 46 offers water-carrying groove 47.
As shown in Fig. 4-Figure 24, rubber water-proof pad 42 is sealed in the accommodating cavity 10 of valve seat 1 by upper cover 41, rubber water-proof pad
42 are located at 32 top of sealing face of the water outlet 31 of intake tunnel 3, and pressure chamber 43 is formed between rubber water-proof pad 42 and upper cover 41,
Inlet opening 44 on rubber water-proof pad 42 communicates pressure chamber 43 with the water outlet 31 of intake tunnel 3, the buoyancy control machine
Structure 2 includes water tank 20, keg float 21, connecting rod 22, swing rod 23, and fixed stainless pin 46 at pressure release through-hole 45 is corresponded on swing rod 23,
Stainless pin 46 passes through upper cover 41 and is inserted in longitudinal hole 40, and 23 one end of swing rod is hubbed in upper cover 41, and 23 other end of swing rod is logical
Connecting rod 22 is crossed to connect with keg float 21, keg float 21 is placed in water tank 20,20 sets of water tank on water inlet pipe 33, when keg float 21 is in water tank
In 20 when loss of buoyance, swing rod 23 is rotated in upper cover 41 and is fallen, and stainless pin 46 is partially extracted out from longitudinal hole 40, at this time
The necking down 462 of stainless pin 46 is corresponding with relief hole 45, and relief hole 45 is opened (as shown in Figure 14, Figure 24), and water is from necking down 462
Gap outflow between relief hole 45, so the pressure chamber 43 of 42 inside of rubber water-proof pad will not generate hydraulic pressure, rubber water-proof
Pad 42 continues upward the deformation of 41 side of lid, the sealing face 32 of rubber water-proof pad 42 and intake tunnel 3 under the action of intake pressure
Mutually separation (as shown in Figure 13, Figure 14, Figure 24), water enter from water inlet pipe 33, then flow into cistern from exhalant canal 5, reach
The purpose of water inlet.When keg float 21 in water tank 20 by buoyancy when, swing rod 23 is rotated in upper cover 41 and is lifted, stainless pin
46 polished rod 461 is fully inserted into relief hole 45, is formed tight fit with relief hole 45, is blocked relief hole 45, relief hole 45 is closed
It closes (as shown in Fig. 9, Figure 11, Figure 12, Figure 23), since inlet opening 44 communicates pressure chamber 43 with the water outlet 31 of intake tunnel 3,
The hydraulic pressure of 42 inside of rubber water-proof pad is increasing, and flexible deformation occurs for rubber water-proof pad 42, and the bottom 426 of sealing seat 422 is pressed
On the sealing face 32 of intake tunnel 3 (as shown in Figure 12, Figure 23), water inlet is closed, realizes automatic water stopping function.It is controlled with this
The hydraulic pressure of pressure chamber 43 makes the deformation of rubber water-proof pad 42 block or leave the water flow on-off that inlet valve is realized in sealing face 32.
In order to make the flexible deformation of rubber water-proof pad 42 sensitiveer, 429 is logical on the outside of the ring of sealing ring 421 and sealing seat 422
The connection of the first elastic bend part 424 is crossed, sealing seat 422 is connected on the inside of the ring of needle guard 423 427 by the second elastic bend part 425
It connects, as shown in Figure 18, Figure 19,427 upper edges and the lower part of needle guard 423 pass through the second elastic bend part on the inside of the ring of needle guard 423
425 connections, as shown in Figure 20, Figure 21,427 lower edges and the lower part of needle guard 423 are curved by the second elasticity on the inside of the ring of needle guard 423
Pars convoluta 425 connects, since there are two elastic bend parts for the tool of rubber water-proof pad 42, so that having the characteristics that activity deformation is sensitive.
Claims (10)
1. a kind of anti-siphonic closet tank pressure water stop inlet valve, including valve seat, pressure water check valve, buoyancy control mechanism, water inlet
Channel, exhalant canal, it is characterised in that: accommodating cavity is formed on valve seat, the bottom of accommodating cavity is equipped with the water outlet of intake tunnel, out
The end face of water end (W.E.) forms sealing face, and pressure water check valve includes upper cover, rubber water-proof pad, and rubber water-proof pad is sealed in accommodating by upper cover
Intracavitary, rubber water-proof pad is placed in above sealing face, and water cavity was formed between rubber water-proof pad and accommodating cavity bottom, exhalant canal
Water inlet is communicated with water cavity is crossed, and exhalant canal is upwardly extended along valve seat wall, and the water outlet of exhalant canal is exposed at the upper of valve seat
On the outside of edge, pressure chamber is formed between rubber water-proof pad and upper cover, the hydraulic pressure of buoyancy control mechanism controls pressure chamber stops rubber
Water cushion deformation blocks or leaves the water flow on-off that inlet valve is realized in sealing face.
2. a kind of anti-siphonic closet tank pressure water stop inlet valve as described in claim 1, it is characterised in that: the water inlet
Channel is formed by water inlet pipe, and the bottom of valve seat is arranged in water inlet pipe, is integrally formed with valve seat.
3. a kind of anti-siphonic closet tank pressure water stop inlet valve as described in claim 1, it is characterised in that: the water inlet
Channel is formed by water inlet pipe, and water inlet pipe, which connects, to be set in the bottom of valve seat, molding seperated with valve seat.
4. a kind of anti-siphonic closet tank pressure water stop inlet valve as claimed in claim 3, it is characterised in that: the water inlet
Pipe clamp connects or is screwed onto the bottom of valve seat.
5. a kind of anti-siphonic closet tank pressure water stop inlet valve as described in claim 1, it is characterised in that: the valve seat
Inside sidewalls be nested with lasso, exhalant canal is formed between the inside sidewalls of valve seat and lasso.
6. a kind of anti-siphonic closet tank pressure water stop inlet valve as described in claim 1, it is characterised in that: the water outlet is logical
The water outlet in road is equipped with inclined-plane or access ramp, makes outside of the water outlet of exhalant canal towards valve seat.
7. a kind of anti-siphonic closet tank pressure water stop inlet valve as described in claim 1, it is characterised in that: the water outlet is logical
The water outlet in road is higher than the sealing face of the water outlet port of intake tunnel.
8. a kind of anti-siphonic closet tank pressure water stop inlet valve as described in claim 1, it is characterised in that: the pressure
Water check valve is counterbalance valve, including upper cover, rubber water-proof pad, back pressure pad, the inlet opening are arranged on the guide post of upper cover, guide post
It is perforated through rubber water-proof pad, the relief hole is arranged on upper lid.
9. a kind of anti-siphonic closet tank pressure water stop inlet valve as described in claim 1, it is characterised in that: the pressure
Water check valve is needle-valve, including upper cover, rubber water-proof pad, stainless pin, and rubber water-proof pad includes sealing ring, sealing seat, needle guard, only
Water seat is annulus, and the bottom of sealing seat is plugging surface, and needle guard is equipped in the middle part of sealing seat, and needle guard is equipped with longitudinal hole along axis,
The upper section of longitudinal hole is relief hole, and the middle section of corresponding longitudinal hole is equipped with radial inlet opening, needle guard on the side wall of needle guard
Lower part and the ring inner elastic of annulus connect, the outer elastic of sealing ring and sealing seat connects, the upper section of stainless pin be with
The middle section of the polished rod of relief hole tight fit, stainless pin is one section of necking down, and the lower section of stainless pin offers water-carrying groove.
10. a kind of anti-siphonic closet tank pressure water stop inlet valve as claimed in claim 9, it is characterised in that: under needle guard
Upper edge or lower along elastic connection on the inside of the ring of portion and annulus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910740050.6A CN110332346A (en) | 2019-08-12 | 2019-08-12 | A kind of anti-siphonic closet tank pressure water stop inlet valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910740050.6A CN110332346A (en) | 2019-08-12 | 2019-08-12 | A kind of anti-siphonic closet tank pressure water stop inlet valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110332346A true CN110332346A (en) | 2019-10-15 |
Family
ID=68149426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910740050.6A Pending CN110332346A (en) | 2019-08-12 | 2019-08-12 | A kind of anti-siphonic closet tank pressure water stop inlet valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110332346A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022226836A1 (en) * | 2021-04-28 | 2022-11-03 | 厦门立业卫浴工业有限公司 | Water intake valve fixed on drainage valve |
-
2019
- 2019-08-12 CN CN201910740050.6A patent/CN110332346A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022226836A1 (en) * | 2021-04-28 | 2022-11-03 | 厦门立业卫浴工业有限公司 | Water intake valve fixed on drainage valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101956416B (en) | Self-closed water-saving device, method and toilet stool | |
| CN201992133U (en) | Water inlet valve for flush water tank | |
| CN110332346A (en) | A kind of anti-siphonic closet tank pressure water stop inlet valve | |
| CN105042109B (en) | A kind of waterway controlling valve structure | |
| CN214657495U (en) | Overflow structure of toilet water tank | |
| CN110106948A (en) | A kind of anti-siphonic closet tank intake valve of water | |
| CN2487924Y (en) | Adjustable toilet cistern intake valve | |
| CN210562487U (en) | Water outlet box of pressure type flushing system and toilet bowl applying water outlet box | |
| CN211499089U (en) | Independent water pressure flushing system and intelligent closestool | |
| CN210315847U (en) | Anti-siphon toilet cistern inlet valve | |
| CN209636176U (en) | A kind of oil water separator | |
| CN208152176U (en) | A kind of flushing device for toilet electromagnetic valve component | |
| CN208381456U (en) | A kind of compact inlet valve | |
| CN210263268U (en) | Water inlet valve for toilet cistern | |
| US11946240B2 (en) | Water outlet box of pressure-type flushing system and toilet using the water outlet box | |
| CN210770477U (en) | Anti-siphon toilet cistern pressure water-stopping water inlet valve | |
| CN210134493U (en) | Water inlet device with water guide structure | |
| CN214171410U (en) | Automatic closing device for water supply | |
| CN219661615U (en) | Respirator backstop structure | |
| CN211228758U (en) | Anti-siphon toilet cistern inlet valve | |
| CN110117978B (en) | Water inlet valve for toilet cistern | |
| CN216689626U (en) | Multi-valve staged water outlet device | |
| CN110117978A (en) | A kind of toilet water tank water inlet valve | |
| KR910005055Y1 (en) | Liquid level control float valve | |
| CN210507671U (en) | Water inlet valve with detachable valve seat for toilet cistern |
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 |