CN108385793B - Drain valve - Google Patents
Drain valve Download PDFInfo
- Publication number
- CN108385793B CN108385793B CN201710610918.1A CN201710610918A CN108385793B CN 108385793 B CN108385793 B CN 108385793B CN 201710610918 A CN201710610918 A CN 201710610918A CN 108385793 B CN108385793 B CN 108385793B
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- Prior art keywords
- row
- water
- valve body
- vent hole
- cover
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 220
- 230000007246 mechanism Effects 0.000 claims abstract description 100
- 238000007667 floating Methods 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims description 43
- 230000009471 action Effects 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 238000009423 ventilation Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 4
- 230000005484 gravity Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
- Mechanically-Actuated Valves (AREA)
- Float Valves (AREA)
Abstract
The invention discloses a drain valve, which comprises a button assembly, a valve body, a linkage mechanism, a cover, a drain mechanism and a base, wherein the button assembly is arranged on the valve body; a water storage cavity is arranged in the valve body; the water draining mechanism is matched in the valve body and the base; the cover is floatably matched in the water storage cavity of the valve body and the base and is positioned at a position capable of closing the water port of the valve body or the base when falling; the valve body is also provided with a first vent hole which is communicated with the water storage cavity, the linkage mechanism is floatably arranged in the valve body and can realize the closing or opening of the first vent hole through floating or falling, when the first vent hole is closed, the water storage cavity becomes a negative pressure cavity to suck the floating cover, and when the first vent hole is opened, the water storage cavity becomes a counterweight cavity to push down the cover, so that the cover can fall rapidly. The invention can reduce the manufacturing precision and the installation matching requirement of parts, reduce the production cost and improve the drainage stability; but also can reduce the button pressing stroke, reduce the pressing force and improve the operation experience of the clients.
Description
Technical Field
The invention relates to the technical field of water tank drainage, in particular to a drainage valve.
Background
The water tank of the prior art toilet is usually internally provided with a drain valve which has an electric control type and a mechanical type. The mechanical bucket type drain valve in the prior art is mainly characterized in that firstly, a drainage mechanism is hung by a half-row assembly and a full-row assembly to control the drainage of the drainage mechanism, and the structure is influenced by hanging quantity, friction force, assembly clearance and the like, so that the stability of the water level after the drainage is difficult to control, the dimensional requirements on parts are high, the manufacturing and processing precision requirements are high, and the production cost is high; secondly, the water is controlled by the balance of the buoyancy and the gravity of the water draining mechanism, the water is controlled by the buoyancy and the gravity, the drop time difference of the water draining mechanism is large, and the stability of the water level after the water draining is poor; thirdly, the button presses the stroke length, and the pressing force is big, and the operation experience feels poor.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a drain valve, which can reduce the manufacturing precision of parts and the installation and matching requirements, reduce the production cost and improve the drainage stability through structural improvement; on the other hand, the button pressing stroke can be reduced, the pressing force is reduced, and the operation experience of a client is improved.
The technical scheme adopted for solving the technical problems is as follows: a drain valve comprises a button assembly, a valve body, a linkage mechanism, a cover, a drain mechanism and a base; the base is provided with a water outlet; the valve body is arranged on the base, and a water port used for communicating the water tank with the water outlet is arranged on the valve body or the base; a water storage cavity is arranged in the valve body; the water draining mechanism is matched in the valve body and the base in a vertically movable way, and a water stopping part matched with the water draining port is arranged at the bottom of the water draining mechanism; the cover is floatably matched in the water storage cavity of the valve body and the base and is positioned at a position capable of closing the water port of the valve body or the base when falling; the button component is arranged at the top of the valve body and is linked with the drainage mechanism; the valve body is also provided with a first vent hole which is communicated with the water storage cavity, the linkage mechanism is floatably arranged in the valve body and can close or open the first vent hole by floating or falling, when the first vent hole is closed, the water storage cavity forms a closed space and becomes a negative pressure cavity to be capable of sucking the floating cover, and when the first vent hole is opened, the negative pressure of the water storage cavity is lost and becomes a counterweight cavity to push down the cover, so that the cover can fall rapidly.
The opening of the water storage cavity faces downwards, and the bottom of the water storage cavity is communicated with a water flow channel between the water through hole and the water outlet.
Further, in the valve body, a second vent hole is further formed at a position corresponding to the water storage cavity, the position of the second vent hole is lower than that of the first vent hole, the second vent hole is opened and closed by means of the height of the water level of the water tank, when the water level of the water tank is higher than the second vent hole, the second vent hole is closed, and when the water level of the water tank is lower than the second vent hole, the second vent hole is opened, so that two-stage drainage is achieved.
The button assembly comprises a full-row button, a half-row button and a swing arm assembly, the middle part of the swing arm assembly is pivoted in the valve body, one end of the swing arm assembly is matched with the full-row button and the half-row button, and the other end of the swing arm assembly is matched with the drainage mechanism so that the drainage mechanism can be lifted when the full-row button or the half-row button is pressed.
The drain mechanism is cylindrical and has an interior cavity that forms a first buoyancy chamber when water flows through the bottom of the drain mechanism.
The button assembly further comprises a button support and a sliding block, wherein the full-row buttons and the half-row buttons are respectively arranged in the button support through springs so as to realize resetting after pressing, and the sliding block is slidably arranged in the button support and matched with the lower parts of the full-row buttons and the half-row buttons so as to move along a preset direction when the full-row buttons or the half-row buttons are pressed downwards.
One end of the sliding block is matched with the linkage mechanism, when one end of the sliding block abuts against the linkage mechanism, the sliding block limits the linkage mechanism to fall down, so that the first vent hole is kept closed, and when one end of the sliding block is separated from the linkage mechanism, the sliding block removes the limitation on the action of the linkage mechanism.
The lower part of the full-row buttons is provided with an inclined plane facing the linkage mechanism, and the inclined plane of the full-row buttons is matched with the sliding block, so that the sliding block can be pushed to the linkage mechanism when the full-row buttons are pressed down; the lower part of the half row of buttons is provided with an inclined plane which faces away from the linkage mechanism, and the inclined plane of the half row of buttons is matched with the sliding block, so that the sliding block can be pushed away from the linkage mechanism when the half row of buttons are pressed down.
The first air vent is arranged at the top of the water storage cavity, the linkage mechanism comprises a one-way sealing component and a half-row component, the one-way sealing component is matched with the first air vent, the half-row component is floatably arranged in the valve body, when the half-row component floats upwards, the half-row component drives the one-way sealing component to move downwards to seal the first air vent, and when the half-row component falls, the half-row component drives the one-way sealing component to move upwards to open the first air vent.
The half-row assembly comprises a swinging piece and a floating block, the middle part of the swinging piece is pivoted in the valve body, one end of the swinging piece is linked with the one-way sealing assembly, and the other end of the swinging piece is connected with the floating block; when the floating block floats upwards, one end of the swinging piece drives the one-way sealing component to move downwards to close the first vent hole, and when the floating block falls, one end of the swinging piece drives the one-way sealing component to move upwards to open the first vent hole.
The unidirectional sealing assembly comprises a sealing rod and a sealing gasket, the sealing gasket is clamped in the middle of the sealing rod, the top of the sealing rod is provided with a clamping part, and one end of the swinging piece is matched with the top of the sealing rod in a clamping way.
The other end of the swinging piece is fixedly connected with the adjusting rod, the floating block is clamped on the adjusting rod in a height-selectable manner, and a clamping channel with a height-selectable manner is correspondingly arranged on the adjusting rod so as to adjust the height of the semi-drainage level.
The second ventilation holes are multiple and are arranged along the height direction; the valve body that sets up a plurality of second vent positions department still is equipped with full row's regulating plate, and full row's regulating plate joint is on the valve body with reciprocating to adjust the high position of second vent that functions through covering the mode that corresponds the second vent to realize adjusting full row's water level.
The valve body is annular, the water draining mechanism is movably matched in the inner annular wall of the valve body, and the water storage cavity is arranged between the inner annular wall and the outer annular wall of the valve body; the cover is annular, and a second buoyancy cavity with a downward opening is surrounded by the top wall, the inner annular wall and the outer annular wall of the cover so as to float upwards when water flows in.
The height dimension of the inner annular wall of the cover is smaller than that of the outer annular wall of the cover, so that a notch is formed at the inner side of the bottom of the cover; the notch of the cover corresponds to a water stopping part of the water draining mechanism so as to form a yielding space.
Compared with the prior art, the invention has the beneficial effects that:
1. The invention adopts the structure that the valve body is provided with the water storage cavity, the water storage cavity and the base are floatably matched with the valve body by the cover, and the water storage cavity is arranged at the position capable of closing the water port of the valve body or the base when falling, the valve body is internally provided with the first vent hole and the second vent hole which are communicated with the water storage cavity, when the height difference of the first vent hole and the second vent hole is utilized and the vent hole is closed, the water storage cavity forms a closed space and becomes a negative pressure cavity to be capable of absorbing the cover which floats, so that the water port of the base is kept open, when the vent hole is opened, the negative pressure of the water storage cavity is lost to become a counterweight cavity to push down the cover, so that the cover is quickly fallen, and the water port of the valve body or the base is closed, thereby intercepting the water flow of the water tank from entering the base, and enabling the drainage mechanism to lose buoyancy to quickly fall to close the water port, thereby realizing two-level drainage. Compared with the prior art, the invention cancels the direct connection of the half-row assembly, the full-row assembly and the water stop mechanism, cancels the influence factors such as hanging quantity, friction force, assembly clearance and the like, adopts a new drainage control mode, can reduce the manufacturing precision and the installation matching requirement of parts, reduces the production cost and improves the drainage stability.
2. The invention adopts the structure that the water drainage mechanism is in a cylinder shape, and the cylinder shape is provided with an inner cavity which forms a first buoyancy cavity when water flows through the bottom of the water drainage mechanism. According to the structure, the water draining mechanism is provided with the buoyancy cavity, so that the water draining mechanism automatically ascends to drain water by means of buoyancy after a certain stroke is lifted, the push-down stroke and the pressing force of the button are reduced, the light touch short stroke is realized, the push-down stroke of the button can be reduced, the pressing force is reduced, and the operation experience of a customer is improved.
The invention is described in further detail below with reference to the drawings and examples; a drain valve of the present invention is not limited to the embodiment.
Drawings
FIG. 1 is a schematic view of the external shape of an embodiment of the present invention;
FIG. 2 is an exploded view of an embodiment of the present invention;
Fig. 3 is a schematic view of the structure of the present invention (water tank in non-water-feeding state);
Fig. 4 is a schematic view showing the structure of the present invention (water tank water inlet state);
fig. 5 is a schematic view of the structure of the present invention (pressing half row state);
FIG. 6 is a schematic view of the structure of an embodiment of the present invention (half row slider dropped, first vent open moment, cover fast dropped state);
fig. 7 is a schematic view of the structure of the present invention (pressing full row state);
FIG. 8 is a schematic view showing the structure of the present invention (water level lowered into place, second vent opening moment, cover quick drop state);
FIG. 9 is an exploded view of a push button assembly of the present invention;
FIG. 10 is a partial cross-sectional view of a button assembly (pressing half-row) of the present invention;
FIG. 11 is a schematic view of a configuration of a half row of buttons of a button assembly of the present invention;
FIG. 12 is a partial cross-sectional view of a button assembly (push full row) of the present invention;
FIG. 13 is a schematic view of the construction of a full row of buttons of a button assembly of the present invention;
FIG. 14 is a schematic view of a half-row assembly of a button assembly of the present invention;
FIG. 15 is a schematic view of a construction of a one-way seal assembly of a push button assembly of the present invention;
FIG. 16 is a cross-sectional view of a drainage mechanism of the present invention;
FIG. 17 is a cross-sectional view of a cover of the present invention;
fig. 18 is a schematic exploded view of the construction of the present invention of embodiment two.
Detailed Description
Example 1
Referring to fig. 1 to 17, a drain valve of the present invention includes a button assembly 1, a valve body 2, a linkage mechanism 3, a cover 4, a drain mechanism 5, and a base 6; the base 6 is provided with a water outlet 61 communicated with an inner cavity 63 of the base 6, and the side part of the base 6 is provided with a water through hole 62 communicated with the inner cavity 63 of the base 6; the valve body 2 is arranged on the base 6, a water storage cavity 21 with a downward opening is arranged in the valve body 2, the bottom of the water storage cavity 21 is communicated with the inner cavity 63 of the base, namely, the bottom of the water storage cavity 21 is communicated with a water flow channel between a water inlet and a water outlet; the water draining mechanism 5 is matched in the valve body 2 and the base 6 in a vertically movable way, and a water stopping part 51 matched with the water draining port 61 is arranged at the bottom of the water draining mechanism 5; the cover 4 is floatably matched in the water storage cavity 21 of the valve body and the base 6 and is positioned at a position capable of closing the water through hole 62 of the base when falling; the button assembly 1 is arranged at the top of the valve body 2 and is linked with the drainage mechanism 5; the valve body 2 is also provided with a first vent hole 22 which is communicated with the water storage cavity 21, the linkage mechanism 3 is floatably arranged in the valve body 2 and can realize the closing or opening of the first vent hole 22 through floating or falling, when the first vent hole 22 is closed, the water storage cavity 21 forms a closed space to become a negative pressure cavity to suck the floating cover 4, and when the first vent hole 22 is opened, the negative pressure of the water storage cavity 21 is lost to become a counterweight cavity to push down the cover 4, so that the cover 4 falls rapidly.
Further, in the valve body 2, a second vent hole 23 is further provided at a position corresponding to the water storage chamber, and the second vent hole 23 is positioned lower than the first vent hole 22, and the second vent hole 23 is opened and closed by using the height of the water level of the water tank, when the water level of the water tank is higher than the second vent hole 23, the second vent hole 23 is closed, and when the water level of the water tank is lower than the second vent hole 23, the second vent hole 23 is opened, thereby realizing two-stage drainage.
Referring to fig. 9, in this embodiment, the button assembly 1 includes a full-row button 11, a half-row button 12 and a swing arm assembly 13, where a middle portion of the swing arm assembly 13 is pivoted in the valve body 2, one end of the swing arm assembly 13 is matched with the full-row button 11 and the half-row button 12, and the other end of the swing arm assembly 13 is matched with the drainage mechanism 5, so that the drainage mechanism 5 can be lifted when the full-row button 11 or the half-row button 12 is pressed.
Referring to fig. 16, in this embodiment, the drainage mechanism 5 has a cylindrical shape, and a lifting portion 52 for connecting with the other end of the swing arm assembly 13 is provided at the top thereof, and has an inner cavity 54, and the inner cavity 54 forms a first buoyancy chamber when water flows through the bottom of the drainage mechanism.
Referring to fig. 9 to 13, in the present embodiment, the button assembly 1 further includes a button holder 14 and a slider 15, the full-row button 11 and the half-row button 12 being respectively mounted in the button holder 14 by springs 16 to enable resetting after pressing, the slider 15 being slidably mounted in the button holder 14 and fitted to lower portions of the full-row button 11 and the half-row button 12 to be movable in a preset direction when the full-row button 11 or the half-row button 12 is pressed downward.
In this embodiment, one end of the slider 15 is matched with the linkage mechanism 3, when one end of the slider 15 abuts against the linkage mechanism 3, the slider 15 limits the linkage mechanism 3 to fall down, so that the first vent hole 22 is kept closed, and when one end of the slider 15 is separated from the linkage mechanism 3, the slider 15 releases the limitation on the action of the linkage mechanism 3.
In this embodiment, a slope 111 facing the linkage mechanism is provided at the lower part of the full-row button 11, and the slope 111 of the full-row button 11 is matched with the slide block 15, so that when the full-row button 11 is pressed down, the slide block 15 can be pushed toward the linkage mechanism 3; the lower part of the half row of buttons 12 is provided with an inclined plane 121 facing away from the linkage mechanism, and the inclined plane 121 of the half row of buttons 12 is matched with the sliding block 15, so that when the half row of buttons 12 is pressed down, the sliding block 15 is pushed away from the linkage mechanism 3.
In this embodiment, the first vent hole 22 is disposed at the top of the water storage cavity 21, the linkage mechanism 3 includes a unidirectional sealing component 31 and a half-row component 32, the unidirectional sealing component 31 is matched at the first vent hole 22, the half-row component 32 is floatably installed in the valve body 2, when the half-row component 32 floats up, the half-row component 32 drives the unidirectional sealing component 31 to move down to close the first vent hole 22, and when the half-row component 32 falls down, the half-row component 32 drives the unidirectional sealing component 31 to move up to open the first vent hole 22.
Referring to fig. 14, in this embodiment, the half-row assembly 32 includes a swing member 321 and a slider 322, where a middle portion of the swing member 321 is pivoted in the valve body 2, one end of the swing member 321 is linked with the unidirectional sealing assembly 31, and the other end of the swing member 321 is connected with the slider 322; when the slider 322 floats up, one end of the swinging member 321 drives the one-way seal assembly 31 to move down to close the first vent hole 22, and when the slider 322 falls down, one end of the swinging member 321 drives the one-way seal assembly 31 to move up to open the first vent hole 22.
Referring to fig. 15, in this embodiment, the unidirectional sealing assembly 31 includes a sealing rod 311 and a sealing pad 312, the sealing pad 312 is clamped in the middle of the sealing rod 311, a clamping portion is disposed at the top of the sealing rod 311, and one end of the swinging member 321 is matched with the top of the sealing rod 311 in a clamping manner.
Referring to fig. 14, in this embodiment, an adjusting rod 323 is further mounted at a position where the other end of the swinging member 321 is connected to the slider 322, the other end of the swinging member 321 is fixed to the adjusting rod 323, the slider 322 is selectively clamped to the adjusting rod 323, and a clamping channel with a selectable height is correspondingly provided on the adjusting rod 323 to adjust the height of the half drainage level. The upper part of the adjusting rod 323 is provided with a clamping groove 3231, one end of the sliding block 15 is provided with a bayonet 151, when one end of the sliding block 15 is propped against the linkage mechanism 3, the bayonet 151 of the sliding block 15 is clamped at the clamping groove 3231 of the adjusting rod 323, so that the adjusting rod 323 cannot move up and down, the linkage mechanism 3 is limited to fall down, the first vent hole 22 is kept closed, when one end of the sliding block 15 is separated from the linkage mechanism 3, the bayonet 151 of the sliding block 15 is separated from the clamping groove 3231 of the adjusting rod 323, the adjusting rod 323 can move up and down, and the sliding block 15 releases the limitation on the action of the linkage mechanism 3.
In the present embodiment, the second vent holes 23 are plural, and the plural second vent holes 23 are provided along the height direction of the valve body 2; the valve body 2 provided with a plurality of second vent holes is also provided with a full-row regulating piece 24, the full-row regulating piece 24 is clamped on the valve body 2 in a vertically movable way, and the height position of the second vent hole which is in action is regulated in a mode of covering the corresponding second vent hole 23, so that the full-row water level is regulated.
In this embodiment, the valve body 2 is annular, the water draining mechanism 5 is movably matched in the inner annular wall of the valve body 2, and the water storage cavity 21 is arranged between the inner annular wall and the outer annular wall of the valve body 2; the cover 4 is annular, and a second buoyancy chamber 41 with a downward opening is defined by a top wall 42, an inner annular wall 43 and an outer annular wall 44 of the cover so as to be capable of floating upward when water flows in. The height dimension of the inner annular wall 43 of the cover 4 is smaller than that of the outer annular wall 44 of the cover, so that a notch 45 is formed on the inner side of the bottom of the cover; the notch 45 of the cover corresponds to the water stop member 51 of the water discharge mechanism to form a relief space.
When the water tank does not feed water, the water draining mechanism 5, the cover 4 and the half-row assembly 32 are all in a falling state, as shown in fig. 3, the water stopping part 51 of the water draining mechanism 5 is matched with the water draining port 61 of the base 6, the cover 4 is matched with the water through port 62 of the base, and the first ventilation hole 22 and the second ventilation hole 23 are both in an opening state; after the water tank is filled with water, as shown in fig. 4, the cover 4 floats upwards under the action of the second buoyancy cavity 41, the cover 4 leaves the cooperation with the water through hole 62, the half-row assembly 32 floats upwards under the action of the floating blocks 322, the one-way sealing assembly 31 is driven to move downwards by the floating of the half-row assembly 32 to seal the first air through hole 22, and the second air through hole 23 is also in a sealing state under the action of the water level. As shown in fig. 5 and 6, when the half-row button 12 is pressed, the half-row button 12 presses one end of the swing arm assembly 13, so that the other end of the swing arm assembly 13 lifts the water draining mechanism 5, water in the water tank begins to drain through the water draining port 61 of the base 6, after the water draining mechanism 5 begins to drain, the water in the water tank keeps in a floating state under the action of the first buoyancy cavity, the water in the water tank continues to drain, and the water level of the water tank drops; the half row of buttons 12 are matched with the sliding block 15 through the inclined surface 121 at the bottom to push the sliding block 15 away from the half row of components 32, the bayonet 151 of the sliding block 15 is not clamped in the clamping groove 3231 at the upper part of the adjusting rod 323, and the adjusting rod 323 can move up and down; when the water is discharged, the first vent hole 22 is sealed, the water storage cavity 21 forms a closed space and becomes a negative pressure cavity, the floating cover 4 can be sucked, water in the water tank is kept to be discharged from the water outlet 61, when the buoyancy of the water level of the water tank is insufficient to support the gravity of the adjusting rod 323 of the half-row assembly 32 and the floating block 322, the adjusting rod 323 of the half-row assembly 32 and the floating block 322 fall, one end of the swinging piece 321 is driven to move upwards by the falling of the adjusting rod 323, the first vent hole 22 is opened, at the moment when the first vent hole 22 is opened, the negative pressure of the water storage cavity 21 is lost to become a counterweight cavity to push down the cover 4, so that the cover 4 drops quickly, the water inlet 62 of the base is closed after the cover drops, the water flow of the water tank is blocked from entering the base 6, the water discharging mechanism 5 drops quickly after the buoyancy is lost, the water outlet 61 is closed, and half-row water discharging is realized. As shown in fig. 7 and 8, when the full-row button 11 is pressed, the full-row button 11 presses one end of the swing arm assembly 13, so that the other end of the swing arm assembly 13 lifts the water draining mechanism 5, water in the water tank begins to drain through the water outlet 61 of the base 6, after the water draining mechanism 5 begins to drain, the water in the water tank keeps in a floating state under the action of the first buoyancy cavity, the water in the water tank continues to drain, and the water level of the water tank drops; the full row of buttons 11 are matched with the sliding blocks 15 through the inclined planes 111 at the bottom to push the sliding blocks 15 to the half row of assemblies 32, the clamping grooves 3231 at the upper parts of the adjusting rods 323 are clamped by the clamping holes 151 of the sliding blocks 15, and the adjusting rods 323 cannot move up and down; when the water discharge starts, since the first vent hole 22 is sealed, the water storage cavity 21 forms a closed space and becomes a negative pressure cavity, the floating cover 4 can be sucked, the water in the water tank is kept to be discharged from the water discharge outlet 61, since the adjusting rod 323 is clamped by the bayonet 151 of the sliding block 15, even when the buoyancy of the water level of the water tank is insufficient to support the gravity of the adjusting rod 323 of the half-discharge assembly 32 and the floating block 322, the adjusting rod 323 of the half-discharge assembly 32 and the floating block 322 can not fall down, the one-way sealing assembly 31 continuously seals the first vent hole 22, when the water level is continuously lowered and falls to the second vent hole 23 to expose, the second vent hole 23 is opened, and at the moment when the second vent hole 23 is opened, the negative pressure of the water storage cavity 21 is lost to become a counterweight cavity to push down the cover 4, so that the cover 4 is quickly dropped, the water through opening 62 of the base is closed after the cover is dropped, the water flow of the water tank is blocked into the base 6, the water discharge mechanism 5 is quickly dropped to be turned off, and the water discharge outlet 61 is completely dropped.
The invention relates to a drain valve, which is characterized in that a water storage cavity 21 is arranged in a valve body 2, a cover 4 is floatably matched in the water storage cavity 21 and a base 6 of the valve body, a first vent hole 22 and a second vent hole 23 which are communicated with the water storage cavity are arranged in the valve body 2 at positions capable of closing the water through holes 62 of the base when the water storage cavity falls, when the height difference of the first vent hole 22 and the second vent hole 23 and the vent hole are closed, a closed space is formed by the water storage cavity 21, which becomes a negative pressure cavity, so that the cover 4 can be sucked up, the water through holes 62 of the base are kept open, when the vent hole is opened, the negative pressure of the water storage cavity 21 is lost to become a counterweight cavity, the cover 4 is pushed down, the cover 4 is quickly fallen, the water through holes 62 of the base are closed, water flow of the water tank is blocked from entering the base, the drain mechanism 5 is quickly fallen by losing buoyancy, the water through holes 61 are closed, and two-level drainage is realized. Compared with the prior art, the invention cancels the direct connection of the half-row assembly, the full-row assembly and the water stop mechanism, cancels the influence factors such as hanging quantity, friction force, assembly clearance and the like, adopts a new drainage control mode, can reduce the manufacturing precision and the installation matching requirement of parts, reduces the production cost and improves the drainage stability.
In a drain valve of the present invention, the drain mechanism 5 is formed in a cylindrical shape, and the cylindrical shape has an inner cavity 54, and the inner cavity 54 forms a first buoyancy chamber when water flows through the bottom of the drain mechanism. According to the structure, the water draining mechanism is provided with the buoyancy cavity, so that the water draining mechanism automatically ascends to drain water by means of buoyancy after a certain stroke is lifted, the push-down stroke and the pressing force of the button are reduced, the light touch short stroke is realized, the push-down stroke of the button can be reduced, the pressing force is reduced, and the operation experience of a customer is improved.
Example two
Referring to fig. 18, the drain control mechanism of the water tank according to the present invention is different from the first embodiment in that the base is not provided with a water passage, and the side of the bottom of the valve body 2 is provided with a water passage 25.
The foregoing is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. While the invention has been described with reference to preferred embodiments, it is not intended to be limiting. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or be modified to equivalent embodiments, without departing from the scope of the technology. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention shall fall within the scope of the technical solution of the present invention.
Claims (14)
1. A drain valve, characterized in that: comprises a button component, a valve body, a linkage mechanism, a cover, a drainage mechanism and a base; the button assembly comprises a full-row button, a half-row button and a swing arm assembly, and the linkage mechanism comprises a unidirectional sealing assembly and a half-row assembly; the base is provided with a water outlet; the valve body is arranged on the base, and a water port used for communicating the water tank with the water outlet is arranged on the valve body or the base; a water storage cavity is arranged in the valve body; the water draining mechanism is matched in the valve body and the base in a vertically movable way, and a water stopping part matched with the water draining port is arranged at the bottom of the water draining mechanism; the cover is floatably matched in the water storage cavity of the valve body and the base and is positioned at a position capable of closing the water port of the valve body or the base when falling; the button component is arranged at the top of the valve body and is linked with the drainage mechanism; the valve body is also provided with a first vent hole which is communicated with the water storage cavity, the linkage mechanism is floatably arranged in the valve body and can realize the closing or opening of the first vent hole through floating or falling, when the first vent hole is closed, the water storage cavity forms a closed space and becomes a negative pressure cavity to be capable of sucking the floating cover, and when the first vent hole is opened, the negative pressure of the water storage cavity is lost and becomes a counterweight cavity to push down the cover, so that the cover can fall rapidly; in the valve body, the position corresponding to the water storage cavity is also provided with a second vent hole, the position of the second vent hole is lower than that of the first vent hole, the second vent hole is opened and closed by utilizing the height of the water level of the water tank, when the water level of the water tank is higher than that of the second vent hole, the second vent hole is closed, and when the water level of the water tank is lower than that of the second vent hole, the second vent hole is opened, so that two-stage drainage is realized.
2. The drain valve according to claim 1, wherein: the opening of the water storage cavity faces downwards, and the bottom of the water storage cavity is communicated with a water flow channel between the water through hole and the water outlet.
3. The drain valve according to claim 1 or 2, wherein: the middle part pin joint of swing arm subassembly is in the valve body, the one end of swing arm subassembly cooperatees with full row's button, half row's button, the other end of swing arm subassembly with drainage mechanism cooperatees to when full row's button or half row's button press, can mention drainage mechanism.
4. A drain valve according to claim 3, wherein: the drain mechanism is cylindrical and has an interior cavity that forms a first buoyancy chamber when water flows through the bottom of the drain mechanism.
5. A drain valve according to claim 3, wherein: the button assembly further comprises a button support and a sliding block, wherein the full-row buttons and the half-row buttons are respectively arranged in the button support through springs so as to realize resetting after pressing, and the sliding block is slidably arranged in the button support and matched with the lower parts of the full-row buttons and the half-row buttons so as to move along a preset direction when the full-row buttons or the half-row buttons are pressed downwards.
6. The drain valve according to claim 5, wherein: one end of the sliding block is matched with the linkage mechanism, when one end of the sliding block abuts against the linkage mechanism, the sliding block limits the linkage mechanism to fall down, so that the first vent hole is kept closed, and when one end of the sliding block is separated from the linkage mechanism, the sliding block removes the limitation on the action of the linkage mechanism.
7. The drain valve according to claim 6, wherein: the lower part of the full-row buttons is provided with an inclined plane facing the linkage mechanism, and the inclined plane of the full-row buttons is matched with the sliding block, so that the sliding block can be pushed to the linkage mechanism when the full-row buttons are pressed down; the lower part of the half row of buttons is provided with an inclined plane which faces away from the linkage mechanism, and the inclined plane of the half row of buttons is matched with the sliding block, so that the sliding block can be pushed away from the linkage mechanism when the half row of buttons are pressed down.
8. The drain valve according to claim 1 or 2, wherein: the first vent hole is arranged at the top of the water storage cavity, the one-way sealing component is matched with the first vent hole, the half-row component is floatably arranged in the valve body, when the half-row component floats upwards, the half-row component drives the one-way sealing component to move downwards to seal the first vent hole, and when the half-row component falls, the half-row component drives the one-way sealing component to move upwards to open the first vent hole.
9. The drain valve according to claim 8, wherein: the half-row assembly comprises a swinging piece and a floating block, the middle part of the swinging piece is pivoted in the valve body, one end of the swinging piece is linked with the one-way sealing assembly, and the other end of the swinging piece is connected with the floating block; when the floating block floats upwards, one end of the swinging piece drives the one-way sealing component to move downwards to close the first vent hole, and when the floating block falls, one end of the swinging piece drives the one-way sealing component to move upwards to open the first vent hole.
10. The drain valve according to claim 9, wherein: the unidirectional sealing assembly comprises a sealing rod and a sealing gasket, the sealing gasket is clamped in the middle of the sealing rod, the top of the sealing rod is provided with a clamping part, and one end of the swinging piece is matched with the top of the sealing rod in a clamping way.
11. The drain valve according to claim 9, wherein: the other end of the swinging piece is fixedly connected with the adjusting rod, the floating block is clamped on the adjusting rod in a height-selectable manner, and a clamping channel with a height-selectable manner is correspondingly arranged on the adjusting rod so as to adjust the height of the semi-drainage level.
12. The drain valve according to claim 1 or 2, wherein: the second ventilation holes are multiple and are arranged along the height direction; the valve body that sets up a plurality of second vent positions department still is equipped with full row's regulating plate, and full row's regulating plate joint is on the valve body with reciprocating to adjust the high position of second vent that functions through covering the mode that corresponds the second vent to realize adjusting full row's water level.
13. The drain valve according to claim 1 or 2, wherein: the valve body is annular, the water draining mechanism is movably matched in the inner annular wall of the valve body, and the water storage cavity is arranged between the inner annular wall and the outer annular wall of the valve body; the cover is annular, and a second buoyancy cavity with a downward opening is surrounded by the top wall, the inner annular wall and the outer annular wall of the cover so as to float upwards when water flows in.
14. The drain valve according to claim 13, wherein: the height dimension of the inner annular wall of the cover is smaller than that of the outer annular wall of the cover, so that a notch is formed at the inner side of the bottom of the cover; the notch of the cover corresponds to a water stopping part of the water draining mechanism so as to form a yielding space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710610918.1A CN108385793B (en) | 2017-07-25 | 2017-07-25 | Drain valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710610918.1A CN108385793B (en) | 2017-07-25 | 2017-07-25 | Drain valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108385793A CN108385793A (en) | 2018-08-10 |
| CN108385793B true CN108385793B (en) | 2024-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710610918.1A Active CN108385793B (en) | 2017-07-25 | 2017-07-25 | Drain valve |
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| Country | Link |
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| CN (1) | CN108385793B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9215972U1 (en) * | 1992-11-24 | 1994-04-14 | Rost GmbH & Co KG, 32457 Porta Westfalica | Cistern drain valve |
| WO2012075869A1 (en) * | 2010-12-11 | 2012-06-14 | Li Feiyu | Dual-drain valve |
| CN202401550U (en) * | 2011-11-30 | 2012-08-29 | 广东联塑科技实业有限公司 | Drain valve of water tank |
| CN202913482U (en) * | 2012-11-21 | 2013-05-01 | 厦门瑞尔特卫浴科技股份有限公司 | Water level setting drain valve |
| CN202936867U (en) * | 2011-12-27 | 2013-05-15 | 厦门瑞尔特卫浴科技股份有限公司 | Dual-range water-discharge switching mechanism for water tank |
| CN104746614A (en) * | 2013-12-31 | 2015-07-01 | 李飞宇 | Flip type drain valve and drain valve control method |
| CN207362958U (en) * | 2017-07-25 | 2018-05-15 | 厦门威迪亚科技有限公司 | Drain valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6442772B2 (en) * | 1998-09-14 | 2002-09-03 | Fluidmaster, Inc. | Advanced dual-flush valve |
-
2017
- 2017-07-25 CN CN201710610918.1A patent/CN108385793B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9215972U1 (en) * | 1992-11-24 | 1994-04-14 | Rost GmbH & Co KG, 32457 Porta Westfalica | Cistern drain valve |
| WO2012075869A1 (en) * | 2010-12-11 | 2012-06-14 | Li Feiyu | Dual-drain valve |
| CN202401550U (en) * | 2011-11-30 | 2012-08-29 | 广东联塑科技实业有限公司 | Drain valve of water tank |
| CN202936867U (en) * | 2011-12-27 | 2013-05-15 | 厦门瑞尔特卫浴科技股份有限公司 | Dual-range water-discharge switching mechanism for water tank |
| CN202913482U (en) * | 2012-11-21 | 2013-05-01 | 厦门瑞尔特卫浴科技股份有限公司 | Water level setting drain valve |
| CN104746614A (en) * | 2013-12-31 | 2015-07-01 | 李飞宇 | Flip type drain valve and drain valve control method |
| CN207362958U (en) * | 2017-07-25 | 2018-05-15 | 厦门威迪亚科技有限公司 | Drain valve |
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| Publication number | Publication date |
|---|---|
| CN108385793A (en) | 2018-08-10 |
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Effective date of registration: 20200513 Address after: Xiafei road in Haicang District of Xiamen city of Fujian Province, No. 2 361000 Applicant after: Li Feiyu Address before: 361000 Haicang Xinyang Industrial Zone, Haicang District, Fujian, Xiamen Applicant before: WDI (Xiamen) Technology Inc. |
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