CN114382142A - Drain valve with simple flushing device - Google Patents
Drain valve with simple flushing device Download PDFInfo
- Publication number
- CN114382142A CN114382142A CN202110998074.9A CN202110998074A CN114382142A CN 114382142 A CN114382142 A CN 114382142A CN 202110998074 A CN202110998074 A CN 202110998074A CN 114382142 A CN114382142 A CN 114382142A
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- Prior art keywords
- piston
- water
- valve
- water outlet
- crank arm
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- 238000011010 flushing procedure Methods 0.000 title claims abstract description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 189
- 238000007789 sealing Methods 0.000 claims description 38
- 238000007599 discharging Methods 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 3
- 239000000306 component Substances 0.000 description 16
- 230000005484 gravity Effects 0.000 description 6
- 230000001680 brushing effect Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 239000008358 core component Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- E03D1/34—Flushing valves for outlets; Arrangement of outlet valves
- E03D1/35—Flushing valves having buoyancy
-
- 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
- E03D1/38—Adaptations or arrangements of flushing pipes
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D11/00—Other component parts of water-closets, e.g. noise-reducing means in the flushing system, flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe
- E03D11/13—Parts or details of bowls; Special adaptations of pipe joints or couplings for use with bowls, e.g. provisions in bowl construction preventing backflow of waste-water from the bowl in the flushing pipe or cistern, provisions for a secondary flushing, for noise-reducing
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D5/00—Special constructions of flushing devices, e.g. closed flushing system
- E03D5/02—Special constructions of flushing devices, e.g. closed flushing system operated mechanically or hydraulically (or pneumatically) also details such as push buttons, levers and pull-card therefor
- E03D5/09—Special constructions of flushing devices, e.g. closed flushing system operated mechanically or hydraulically (or pneumatically) also details such as push buttons, levers and pull-card therefor directly by the hand
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D5/00—Special constructions of flushing devices, e.g. closed flushing system
- E03D5/10—Special constructions of flushing devices, e.g. closed flushing system operated electrically, e.g. by a photo-cell; also combined with devices for opening or closing shutters in the bowl outlet and/or with devices for raising/or lowering seat and cover and/or for swiveling the bowl
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a drain valve with a simple flushing device, which comprises a valve seat, a valve body, a valve core assembly, a drain control device, a water outlet control device and a flushing device, wherein the valve seat is provided with a valve core; the drainage control device comprises a lifting rod and a driving mechanism, the lifting rod is hinged in the valve body, one end of the lifting rod is connected with the valve core assembly, and the driving mechanism is connected with the lifting rod; the water outlet control device comprises a water outlet seat, a water outlet assembly and a linkage mechanism, wherein the water outlet seat is provided with a water inlet and a water outlet, the water outlet is connected with a flushing device, the water outlet assembly is used for opening or closing the water inlet, and the linkage mechanism is connected with the lifting rod and is used for enabling the water outlet assembly to be linked with the valve core assembly. The valve core assembly and the water outlet control device are respectively connected with the lifting rod, the action of the lifting rod is controlled through the driving mechanism, and the simultaneous opening and closing of the drain valve and the flushing device are further controlled.
Description
Technical Field
The invention relates to the field of bathrooms, in particular to a drain valve with a simple flushing device.
Background
At present, the bath action of closestool is controlled by the drain valve, the washing to the closestool pot face is accomplished by brushing the circle device, generally, be provided with transmission between the control structure of drain valve and the control structure of brushing the circle device, reach the drain valve and brush the purpose that the circle device opened simultaneously and closed simultaneously through transmission, but among the prior art, transmission structure between them is complicated, not only lead to the driven stability of overall structure not reliable enough, the fault rate is high, it is great to open and close required operating force moreover, can reduce user's use and experience.
Meanwhile, as the ring brushing device is the same as the drain valve and directly flushes the pan surface of the closestool by using the directly coming water, the lower flushing force of the ring brushing device is related to the water pressure of the directly coming water, and when the water pressure of the directly coming water is lower, the lower flushing force of the ring brushing device is weaker, so that the flushing and pollution discharging effects of the closestool are influenced.
In addition, current drain valve generally includes two kinds of electrically driven and mechanical type, and the drain valve of electrically driven operation is laborsaving, convenient, but has the unable problem that uses of outage, and the drain valve of mechanical type does not exist the unable problem that uses of outage, but it generally realizes the control of washing by water through operating switch, and the laborsaving and the more electrically driven of convenience of operation is poor.
Disclosure of Invention
The invention aims to provide a drain valve with a simple flushing device, which is simple in structure, reliable in transmission stability, small in external force required by opening and closing and good in use experience of a user.
In order to achieve the purpose, the invention adopts the following technical scheme:
a drain valve with simple flushing device is arranged in a water tank and comprises a valve seat, a valve body and a valve core assembly, wherein the valve seat is provided with a water outlet communicated with a water inlet pipe of the water tank, the valve body is arranged on the valve seat, the valve core assembly is arranged in the valve body and is used for opening or closing the water outlet, and the drain valve also comprises a drain control device, a water outlet control device and a flushing device;
the drainage control device comprises a lifting rod and a driving mechanism, the lifting rod is hinged in the valve body, one end of the lifting rod is connected with the valve core assembly, and the driving mechanism is connected with the lifting rod;
the water outlet control device comprises a water outlet seat, a water outlet assembly and a linkage mechanism, wherein the water outlet seat is provided with a water inlet and a water outlet, the water inlet is connected with the water inlet pipe, the water outlet is connected with the flushing device, the water outlet assembly is used for opening or closing the water inlet, and the linkage mechanism is connected with the lifting rod and is used for enabling the water outlet assembly to be linked with the valve core assembly.
Preferably, the driving mechanism includes an automatic drainage assembly, the automatic drainage assembly includes a piston cylinder, a piston, a driving member and a piston resetting member, the piston cylinder has a piston cavity, the piston is disposed in the piston cavity, the lifting rod is connected to the piston, the driving member is configured to drive the piston to move up and down in the piston cavity to drive the lifting rod to move, and the piston resetting member is sleeved on the piston and configured to reset the piston after moving up.
Preferably, the automatic water discharging assembly further comprises a one-way valve, the driving member adopts a water pump, a water outlet of the driving member is communicated with the piston cavity, the piston is provided with an exhaust port, the one-way valve is mounted on the piston and located below the exhaust port, and the one-way valve is used for opening/blocking the exhaust port.
Preferably, the automatic water draining assembly further comprises a sealing element, an annular groove is formed in the side edge of the piston, the sealing element is accommodated in the annular groove and abutted against the inner wall of the piston cavity, a pressure relief opening is formed in the upper portion of the piston cavity, and when the piston moves to the pressure relief opening, the sealing element is abutted against the side wall of the pressure relief opening.
Preferably, the driving mechanism further comprises a manual drainage assembly, the manual drainage assembly comprises a manual controller and a first connecting piece, one end of the first connecting piece is connected with the manual controller, the other end of the first connecting piece is connected to the lifting rod, and the manual controller drives the lifting rod to move through the first connecting piece.
Preferably, the water outlet assembly comprises a back pressure cavity and a water stop valve, the back pressure cavity is mounted in the water outlet seat, the water stop valve is arranged in the back pressure cavity and positioned above the water inlet, and the water stop valve is used for opening/blocking the water inlet.
Preferably, go out the water subassembly and still include first elastic sealing body and back pressure pad, first elastic sealing body set up in go out between water seat and the back pressure chamber, the stagnant water valve install in on the first elastic sealing body, be equipped with first pressure release hole on the back pressure chamber, back pressure pad set up in link gear is last, opens/the shutoff first pressure release hole.
Preferably, the linkage mechanism comprises a crank arm fixing frame, a second elastic sealing body, a crank arm and a second connecting piece, the crank arm fixing frame is arranged at the top of the back pressure cavity, the second elastic sealing body is arranged between the back pressure cavity and the crank arm fixing frame, the crank arm is arranged on the second elastic sealing body, the back pressure pad is arranged at the bottom of the crank arm, one end of the second connecting piece is hinged to the crank arm, and the other end of the second connecting piece is abutted to the lifting rod.
Preferably, the linkage mechanism further comprises a crank arm resetting piece, the crank arm resetting piece is installed on the crank arm and used for resetting the crank arm, the middle of the crank arm fixing frame is hollow, a hinged portion is arranged on the crank arm fixing frame, the crank arm penetrates through the middle of the crank arm fixing frame and is rotatably connected to the hinged portion, the second connecting piece comprises a rotating arm and a driving arm, one end of the rotating arm is hinged to the crank arm, the other end of the rotating arm is hinged to the driving arm, and the driving arm abuts against the lifting rod.
Preferably, the flushing device comprises a connecting pipe, an anti-siphon component and a brush ring nozzle, one end of the connecting pipe is connected with the water outlet, the other end of the connecting pipe is connected with the anti-siphon component, the height of the anti-siphon component is higher than the liquid level of the water tank, and the brush ring nozzle is connected with the anti-siphon component.
After adopting the technical scheme, compared with the background technology, the invention has the following advantages:
1. the valve core assembly and the water outlet control device are respectively connected with the lifting rod, the action of the lifting rod is controlled by the driving mechanism, the water outlet is opened or closed by the valve core assembly, the water outlet assembly is communicated with or closed by the flushing device, and the simultaneous opening and closing of the water outlet valve and the flushing device are further controlled.
2. The second elastic sealing body has the moving sealing capacity, so that the back pressure cavity can form a relatively closed space when the back pressure pad blocks or opens the first pressure relief hole, when the back pressure pad blocks the first pressure relief hole, water inlet pressure is generated and applied to the water stop valve after the direct water is introduced into the water inlet from the water inlet pipe, when the back pressure pad opens the first pressure relief hole, the water is pumped to the flushing device by virtue of the water inlet pressure of the direct water, the water level in the water tank is not consumed, the height difference between the injection opening of the flushing ring and the water level of the water tank can be effectively ensured, the lower flushing force of the flushing ring device can be ensured when the water pressure of the direct water is small, and the flushing and pollution discharging effects of the closestool can be ensured.
3. The invention can drive the valve core component and the flushing device to work by controlling the action of the lifting rod through the automatic drainage component, and can also drive the valve core component and the flushing device to work by controlling the action of the lifting rod through the manual drainage component, thereby not only saving labor and being convenient and fast for the operation of the drain valve, but also avoiding the problem that the drain valve cannot be used when the power is off.
Drawings
FIG. 1 is a schematic view of the installation of the present invention (water-stop state);
FIG. 2 is a schematic view of the installation of the present invention (water out condition);
FIG. 3 is a perspective view of the present invention;
FIG. 4 is an exploded view of the present invention;
FIG. 5 is a cross-sectional view (not elevated) of the automatic drain assembly of the present invention;
FIG. 6 is a sectional view (raised state) of the automatic water discharge assembly of the present invention;
FIG. 7 is a partial cross-sectional view of the automatic drain assembly of the present invention;
FIG. 8 is a schematic view of the automatic drainage of the valve core assembly of the present invention;
FIG. 9 is a schematic view of the valve core assembly of the present invention showing manual drainage;
FIG. 10 is a schematic view of the manual drain assembly of the present invention;
FIG. 11 is a perspective view of the outlet control device and the flush device of the present invention;
FIG. 12 is an exploded view of the flush apparatus and the effluent control apparatus of the present invention;
FIG. 13 is an enlarged view of a portion of FIG. 12;
FIG. 14 is a cross-sectional view of the outlet control means and flush means of the present invention (water-stop condition);
FIG. 15 is a sectional view of the outflow control device of the present invention (water stop state);
FIG. 16 is a cross-sectional view of the outflow control device and the flush apparatus of the present invention (outflow state);
fig. 17 is a sectional view (water discharge state) of the water discharge control apparatus according to the present invention.
Description of reference numerals:
a valve seat 100;
a valve body 200;
the valve core component 300, the valve core 310, the hook 311, the water stop piece 320 and the valve core reset piece 330;
the lifting rod 410, the driving mechanism 420, the piston cylinder 421, the piston cavity 4211, the pressure relief opening 4212, the piston 422, the exhaust port 4221, the lower mounting cavity 4222, the annular groove 4223, the driving piece 423, the piston resetting piece 424, the one-way valve 425, the sealing piece 426, the manual controller 427 and the first connecting piece 428;
the water outlet device comprises a water outlet base 510, a water inlet 511, a water outlet 512, a water outlet component 520, a backpressure cavity 521, a water stop valve 522, a first pressure relief hole 5211, a second pressure relief hole 5212, a first elastic sealing body 523, a backpressure pad 524, a linkage mechanism 530, a crank arm fixing frame 531, a hinge portion 5311, a second elastic sealing body 532, a crank arm 533, a second connecting piece 534, a rotating arm 5341, a driving arm 5342 and a crank arm resetting piece 535;
the washing device 600, the connecting pipe 610, the anti-siphon component 620 and the brush ring spray head 630;
the buoyancy assembly 700, the fixing frame 710, the buoy 720, the swing arm 730 and the limiting part 731;
water tank 800, inlet tube 810.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are all based on the orientation or positional relationship shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the apparatus or element of the present invention must have a specific orientation, and thus, should not be construed as limiting the present invention.
Examples
Referring to fig. 1, 2 and 4, the present invention discloses a drain valve with a simple flushing device, which is installed in a water tank 800, and comprises a valve seat 100, a valve body 200 and a valve core assembly 300, wherein the valve seat 100 is provided with a drain port (not shown) capable of communicating with a water inlet pipe 810 of the water tank, the valve body 200 is arranged on the valve seat 100, the valve core assembly 300 is arranged in the valve body 200 and is used for opening or closing the drain port, and the drain valve further comprises a drain control device, a water outlet control device and a flushing device 600.
The valve core assembly 300 includes a valve core 310, a water stop member 320 and a valve core reset member 330, the valve core 310 is disposed in the valve body 200, the water stop member 320 is disposed at the lower end of the valve core 310, the water stop member 320 is used for opening or closing the water outlet, and the valve core reset member 330 is sleeved on the valve core 310, in this embodiment, the valve core reset member 330 is preferably a spring.
The drain control means includes a lift rod 410 and an actuating mechanism 420, the lift rod 410 is hinged in the valve body 200, one end of the lift rod 410 is connected to the valve core assembly 300, and the actuating mechanism 420 is connected to the lift rod 410.
As shown in fig. 1 and fig. 3 to fig. 8, the driving mechanism 420 includes an automatic water drainage assembly, the automatic water drainage assembly includes a piston cylinder 421, a piston 422, a driving member 423 and a piston resetting member 424, the piston cylinder 421 has a piston cavity 4211, a piston 422 is disposed in the piston cavity 4211, the lifting rod 410 is connected to the piston 422, the driving member 423 is configured to drive the piston 422 to move up and down in the piston cavity 4211 to drive the lifting rod 410 to move, the piston resetting member 424 is sleeved on the piston 422 to reset the piston 422 after moving up, in this embodiment, the piston resetting member 424 preferably employs a spring.
The automatic water discharging assembly further comprises a one-way valve 425, the driving piece 423 adopts a water pump, a water outlet of the water pump is communicated with the piston cavity 4211, an exhaust port 4221 is formed in the piston 422, the one-way valve 425 is installed on the piston 422 and located below the exhaust port 4221, and the one-way valve 425 is used for opening/closing the exhaust port 4221. In this embodiment, the bottom of the piston 422 extends downwardly to form a lower mounting portion, the lower mounting portion is provided with a lower mounting chamber 4222, and the check valve 425 is movably received in the lower mounting chamber 4222.
The automatic water drainage assembly further comprises a sealing element 426, an annular groove 4223 is formed in the side edge of the piston 422, the sealing element 426 is accommodated in the annular groove 4223 and abuts against the inner wall of the piston cavity 4211, a pressure relief opening 4212 is formed in the upper portion of the piston cavity 4211, and when the piston 422 moves to the pressure relief opening 4212, the sealing element 426 abuts against the side wall of the pressure relief opening 4212. In this embodiment, the sealing member 426 is made of an elastic material and has a V-shaped or V-like cross-sectional shape.
The working principle of the automatic drainage assembly is as follows: when a piston cavity 4211 of the piston cylinder 421 is in a hollow cavity, the check valve 425 opens the exhaust port 4221 under the action of gravity, when the piston cavity 4211 is filled with water, the check valve 425 seals the exhaust port 4221 under the action of buoyancy, so that the piston cavity 4211 forms a relatively sealed cavity, when the driving piece 423 is started to work (such as induction or key operation), the driving piece 423 pressurizes the relatively sealed piston cavity 4211 to push the piston 422 to lift, after the piston 422 and the sealing piece 426 are lifted to the position of the pressure relief port 4212, the piston cavity 4211 is relieved by the fall between the pressure relief port 4212 and the inner wall of the piston cavity 4211, the blocking rotation of the driving piece 423 during working can be prevented, the service life of the driving piece 423 is ensured, and the working noise is reduced. After the driving member 423 stops working, the piston 422 is reset by the piston resetting member 424 in the morning, and the piston 422 stops lifting.
As shown in fig. 1, 2, 9 and 10, the driving mechanism 420 further includes a manual drain assembly, the manual drain assembly includes a manual controller 427 and a first connector 428, one end of the first connector 428 is connected to the manual controller 427, the other end is connected to the lifting rod 410, and the manual controller 427 drives the lifting rod 410 to move through the first connector 428. In this embodiment, the manual controller 427 may be configured as shown in fig. 10, that is, the manual controller 427 is a rotating arm structure, and the first connecting element 428 is moved by the rotating arm, but the manual controller 427 may also be configured in other structures, such as a pressing structure, as long as the first connecting element 428 drives the lifting rod 410 to move.
As shown in fig. 1, 4 and 8, in the present embodiment, the drain valve with the simple flushing device further includes a buoyancy assembly 700, the buoyancy assembly 700 is movably mounted in the valve body 200 and is matched with the valve core assembly 300 to control the draining action, in the present embodiment, the buoyancy assembly includes a fixing frame 710, a float 720 and a swing arm 730, a hook 311 is disposed on a side of the valve core 310, the fixing frame 710 is movably mounted in the valve body 200, the float 720 is disposed in the fixing frame 710, the swing arm 730 is rotatably mounted on the float 720, and a limit portion 731 capable of being in hanging fit with the hook 311 is disposed on the swing arm 730. The float 720 connects the position-limiting part 731 with the hook 311 of the valve core under the action of buoyancy, and when the water level drops to the action position set by the float 720, the float 720 drives the swing arm 730 to rotate under the action of gravity, so that the position-limiting part 731 is unhooked from the hook 311.
As shown in fig. 1 to 4 and 11 to 17, the water outlet control device includes a water outlet seat 510, a water outlet assembly 520 and a linkage mechanism 530, the water outlet seat 510 is provided with a water inlet 511 and a water outlet 512, the water inlet 511 is connected to a water inlet tube 810, the water outlet 512 is connected to a flushing device 600, the water outlet assembly 520 is used for opening or closing the water inlet 511, and the linkage mechanism 530 is connected to the lifting rod 410 and is used for linking the water outlet assembly 520 with the valve core assembly 300.
The water outlet assembly 520 includes a back pressure chamber 521 and a water stop valve 522, the back pressure chamber 521 is installed in the water outlet base 510, the water stop valve 522 is disposed in the back pressure chamber 521 and above the water inlet 511, and the water stop valve 522 is used for opening/closing the water inlet 511.
The water outlet assembly 520 further includes a first elastic sealing body 523 and a backpressure pad 524, the first elastic sealing body 523 is disposed between the water outlet seat 510 and the backpressure chamber 521, and the water stop valve 522 is installed on the first elastic sealing body 523. A first pressure relief hole 5211 is formed in the back pressure chamber 521, and a back pressure pad 524 is disposed on the linkage 530 for opening/closing the first pressure relief hole 5211. The back pressure chamber 521 is further provided with a second pressure relief hole 5212, and the second pressure relief hole 5212 is communicated with the water outlet 512 and can be communicated with the open first pressure relief hole 5211. During first pressure release hole 5211 of back pressure pad 524 shutoff, directly come water by inlet tube 810 let in behind the water inlet 511, produce water pressure and exert on stagnant water valve 522, when back pressure pad 524 opens first pressure release hole 5211, with the help of the pressure of directly coming water intake with water suction to flushing device 600, need not to consume the inside water level of water tank, jet and the water tank level difference that can effectual assurance flushing device 600, with the improvement bath blowdown effect, thereby realize that flushing device 600 can also normally work when the water pressure of directly coming water is less.
The linkage mechanism 530 comprises a crank arm fixing frame 531, a second elastic sealing body 532, a crank arm 533 and a second connecting piece 534, the crank arm fixing frame 531 is arranged at the top of the back pressure cavity 521, the second elastic sealing body 532 is arranged between the back pressure cavity 521 and the crank arm fixing frame 531, the crank arm 533 is arranged on the second elastic sealing body 532, the back pressure pad 524 is arranged at the bottom of the crank arm 533, one end of the second connecting piece 534 is hinged to the crank arm 533, and the other end of the second connecting piece 534 is abutted to the lifting rod 410. In this embodiment, the second elastic sealing element 532 has a moving sealing capability, that is, when the back pressure pad 524 blocks the first pressure relief hole 5211 and the curved arm 533 drives the back pressure pad 524 to move to open the first pressure relief hole 5211, the second elastic sealing element 532 can ensure the sealing between the back pressure chamber 521 and the curved arm fixing frame 531.
The linkage mechanism 530 further includes a crank arm resetting member 535, the crank arm resetting member 535 is installed on the crank arm 533 for resetting the crank arm 533, in this embodiment, the crank arm resetting member 535 preferably adopts a spring, the middle of the crank arm fixing frame 531 is hollow, and a hinge portion 5311 is provided thereon, the crank arm 533 penetrates through the middle of the crank arm fixing frame 531 and is rotatably connected to the hinge portion 5311, the second connecting member 534 includes a rotating arm 5341 and a driving arm 5342, one end of the rotating arm 5341 is hinged to the crank arm 533, the other end is hinged to the driving arm 5342, and the driving arm 5342 abuts against the lifting rod 410.
The flushing device 600 comprises a connecting pipe 610, an anti-siphon component 620 and a brush ring nozzle 630, one end of the connecting pipe 610 is connected with the water outlet 512, the other end of the connecting pipe is connected with the anti-siphon component 620, the height of the anti-siphon component 620 is higher than that of the liquid level of the water tank, so that siphon pollution of sewage on the pot surface when the toilet is blocked can be prevented, the brush ring nozzle 630 is connected with the anti-siphon component 620, the straight water passes through the water outlet component 520 and the anti-siphon component 620, the toilet pot surface is washed through the brush ring nozzle 630, in the embodiment, the anti-siphon component 620 and the brush ring nozzle 630 can be assembled by adopting the existing components, and therefore detailed description is not given to the specific structure of the flushing device.
The working principle of the invention is as follows:
one, automatic drainage
When the driving member 423 is started to operate, the lifting rod 410 may be driven to move, so that the lifting rod 410 drives the valve element to lift by using the rotating shaft in the valve body 200 as a fulcrum, and the valve element drives the water stopping member to lift, thereby enabling the drain valve to realize a flushing action.
When the lifting rod 410 moves, the lifting rod 410 drives the driving arm 5342, so that the rotating arm 5341 drives the crank arm 533, and further drives the crank arm 533 and the back pressure pad 524 on the crank arm 533 to move, so that the back pressure pad 524 is separated from the first pressure relief hole 5211, the first pressure relief hole 5211 is opened, and water is pumped to the anti-siphon assembly 620 by means of the water inlet pressure of the straight incoming water and flows to the brush ring nozzle 630.
When the driving member 423 stops working, the lifting rod 410 is driven to reset, and at this time, when the water level has not fallen to the action position set by the float 720, the float 720 still connects the limiting portion 731 with the hook 311 of the valve core under the action of buoyancy, so as to keep the flushing action of the drain valve. When the water level drops to the action position set by the buoy 720, the buoy 720 drives the swing arm 730 to rotate under the action of gravity, so that the limiting part 731 is unhooked from the hook 311, after the swing arm 730 is unhooked, the valve core and the water stop piece are reset under the action of gravity and the valve core reset piece, the water outlet is closed, and the water discharge valve stops flushing action.
When the lifting rod 410 is reset, the crank arm 533 is reset under the action of the crank arm resetting member 535, the crank arm 533 and the back pressure pad 524 move, so that the back pressure pad 524 closes the first pressure relief hole 5211, and the brush ring nozzle 630 stops discharging water.
Second, manual drainage
After the manual controller 427 is operated, it drives the lifting rod 410 to move, so that the lifting rod 410 drives the valve element to lift by using the rotating shaft in the valve body 200 as a pivot, and the valve element drives the water stop member to lift, thereby the drain valve realizes the flushing action.
When the lifting rod 410 moves, the lifting rod 410 drives the driving arm 5342, so that the rotating arm 5341 drives the crank arm 533, and further drives the crank arm 533 and the back pressure pad 524 on the crank arm 533 to move, so that the back pressure pad 524 is separated from the first pressure relief hole 5211, the first pressure relief hole 5211 is opened, and water is pumped to the anti-siphon assembly 620 by means of the water inlet pressure of the straight incoming water and flows to the brush ring nozzle 630.
After the manual controller 427 stops working the connector, when the water level has not dropped to the action position set by the float 720, the float 720 still connects the position-limiting part 731 with the hook 311 of the valve core under the action of buoyancy to keep the flushing action of the drain valve. When the water level drops to the action position set by the buoy 720, the buoy 720 drives the swing arm 730 to rotate under the action of gravity, so that the limiting part 731 is unhooked from the hook 311, after the swing arm 730 is unhooked, the valve core and the water stop piece are reset under the action of gravity and the valve core reset piece, the water outlet is closed, and the water discharge valve stops flushing action.
When the lifting rod 410 is reset, the crank arm 533 is reset under the action of the crank arm resetting member 535, the crank arm 533 and the back pressure pad 524 move, so that the back pressure pad 524 closes the first pressure relief hole 5211, and the brush ring nozzle 630 stops discharging water.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a drain valve with simple and easy flushing device, installs in the water tank, and it includes disk seat, valve body and case subassembly, be provided with on the disk seat can with the communicating outlet of water tank inlet tube, the valve body set up in on the disk seat, the case subassembly set up in the valve body for open or close the outlet, its characterized in that: the device also comprises a drainage control device, a water outlet control device and a flushing device;
the drainage control device comprises a lifting rod and a driving mechanism, the lifting rod is hinged in the valve body, one end of the lifting rod is connected with the valve core assembly, and the driving mechanism is connected with the lifting rod;
the water outlet control device comprises a water outlet seat, a water outlet assembly and a linkage mechanism, wherein the water outlet seat is provided with a water inlet and a water outlet, the water inlet is connected with the water inlet pipe, the water outlet is connected with the flushing device, the water outlet assembly is used for opening or closing the water inlet, and the linkage mechanism is connected with the lifting rod and is used for enabling the water outlet assembly to be linked with the valve core assembly.
2. A valve according to claim 1, wherein: the driving mechanism comprises an automatic drainage assembly, the automatic drainage assembly comprises a piston cylinder, a piston, a driving piece and a piston resetting piece, the piston cylinder is provided with a piston cavity, the piston is arranged in the piston cavity, the lifting rod is connected with the piston, the driving piece is used for driving the piston to move up and down in the piston cavity so as to drive the lifting rod to act, and the piston resetting piece is sleeved on the piston and used for resetting the piston after moving up.
3. A valve according to claim 2, wherein: the automatic water discharging assembly further comprises a one-way valve, the driving piece adopts a water pump, a water outlet of the driving piece is communicated with the piston cavity, an exhaust port is formed in the piston, the one-way valve is installed on the piston and located below the exhaust port, and the one-way valve is used for opening/blocking the exhaust port.
4. A valve according to claim 3, wherein: the automatic water drainage assembly further comprises a sealing element, an annular groove is formed in the side edge of the piston, the sealing element is contained in the annular groove and abutted against the inner wall of the piston cavity, a pressure relief opening is formed in the upper portion of the piston cavity, and when the piston moves to the pressure relief opening, the sealing element is abutted against the side wall of the pressure relief opening.
5. A valve according to claim 2, wherein: the driving mechanism further comprises a manual drainage assembly, the manual drainage assembly comprises a manual controller and a first connecting piece, one end of the first connecting piece is connected with the manual controller, the other end of the first connecting piece is connected to the lifting rod, and the manual controller drives the lifting rod to move through the first connecting piece.
6. The drain valve with the simple flushing device as claimed in claim 5, wherein: the water outlet assembly comprises a back pressure cavity and a water stop valve, the back pressure cavity is mounted in the water outlet seat, the water stop valve is arranged in the back pressure cavity and located above the water inlet, and the water stop valve is used for opening/blocking the water inlet.
7. The drain valve with the simple flushing device as claimed in claim 6, wherein: the water outlet assembly further comprises a first elastic sealing body and a back pressure pad, the first elastic sealing body is arranged between the water outlet seat and the back pressure cavity, the water stop valve is installed on the first elastic sealing body, a first pressure relief hole is formed in the back pressure cavity, the back pressure pad is arranged on the linkage mechanism, and the first pressure relief hole is opened/sealed.
8. The drain valve with the simple flushing device as claimed in claim 7, wherein: the linkage mechanism comprises a crank arm fixing frame, a second elastic sealing body, a crank arm and a second connecting piece, the crank arm fixing frame is arranged at the top of the back pressure cavity, the second elastic sealing body is arranged between the back pressure cavity and the crank arm fixing frame, the crank arm is arranged on the second elastic sealing body, the back pressure pad is arranged at the bottom of the crank arm, one end of the second connecting piece is hinged to the crank arm, and the other end of the second connecting piece is abutted to the lifting rod.
9. The drain valve with the simple flushing device as claimed in claim 8, wherein: the linkage mechanism further comprises a crank arm resetting piece, the crank arm resetting piece is arranged on the crank arm and used for enabling the crank arm to reset, the middle of the crank arm fixing frame is hollow, a hinged portion is arranged on the crank arm fixing frame, the crank arm penetrates through the middle of the crank arm fixing frame and is connected to the hinged portion in a rotating mode, the second connecting piece comprises a rotating arm and a driving arm, one end of the rotating arm is hinged to the crank arm, the other end of the rotating arm is hinged to the driving arm, and the driving arm abuts against the lifting rod.
10. A valve according to claim 9, wherein: the flushing device comprises a connecting pipe, an anti-siphon component and a brush ring nozzle, one end of the connecting pipe is connected with the water outlet, the other end of the connecting pipe is connected with the anti-siphon component, the height of the anti-siphon component is higher than the liquid level of the water tank, and the brush ring nozzle is connected with the anti-siphon component.
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| CN202110998074.9A CN114382142B (en) | 2021-08-27 | 2021-08-27 | Drain valve with simple flushing device |
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|---|---|---|---|
| CN202110998074.9A CN114382142B (en) | 2021-08-27 | 2021-08-27 | Drain valve with simple flushing device |
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| CN114382142A true CN114382142A (en) | 2022-04-22 |
| CN114382142B CN114382142B (en) | 2024-06-18 |
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