CN212772655U - Closestool equipment and drainage device thereof - Google Patents

Abstract

The utility model discloses a closestool equipment and drainage device thereof, drainage device includes: the water storage tank is provided with a water storage cavity, and the bottom of the water storage tank is provided with a water outlet communicated with the water storage cavity; the drain valve subassembly, including valve body and case, the valve body has drainage channel, and drainage channel is linked together through outlet and water storage chamber, and the valve body is adorned the bottom to the storage water tank by the below of storage water tank or side: the valve core is movably arranged on the valve body and can move between a first position for communicating the water storage cavity with the drainage channel and a second position for cutting off the communication between the water storage cavity and the drainage channel. The utility model discloses can carry out the dismouting to the drain valve subassembly in the outside of storage water tank to make the dismouting of drain valve subassembly not receive the influence of storage water tank volume and shape, can conveniently carry out dismouting, labour saving and time saving to the drain valve subassembly. The utility model discloses be particularly useful for highly higher and the thin hidden storage water tank of thickness.

Description

Closestool equipment and drainage device thereof

Technical Field

The utility model belongs to the technical field of the closestool technique and specifically relates to a drainage device and have this drainage device's closestool equipment is related to.

Background

The existing drainage valves for the water storage tank of the closestool are arranged in the inner cavity of the water storage tank, and the drainage of the water storage tank is controlled through the drainage valves. However, for some water storage tanks with higher height and thinner thickness, the installation or disassembly of the drain valve in the water storage tank can be limited by a large space, and the disassembly and the assembly of the drain valve are inconvenient and time-consuming and labor-consuming.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the above problem and provide a drainage device and have this drainage device's closestool equipment, and its dismouting drain valve subassembly does not receive the influence of storage water tank volume and shape, can conveniently carry out dismouting, labour saving and time saving to the drain valve subassembly.

In order to achieve the above purpose, the technical scheme of the utility model is that:

a drain, comprising:

the water storage tank is provided with a water storage cavity, and the bottom of the water storage tank is provided with a water outlet communicated with the water storage cavity;

the drain valve assembly comprises a valve body and a valve core, wherein the valve body is provided with a drain passage, the drain passage is communicated with the water storage cavity through the water outlet, and the valve body is assembled at the bottom of the water storage tank below or on the side of the water storage tank: the valve core is movably arranged on the valve body and can move between a first position for communicating the water storage cavity with the drainage channel and a second position for cutting off the communication between the water storage cavity and the drainage channel.

Preferably, the water outlet is arranged on the bottom wall or the side wall of the water storage tank, an extension pipe extends from the periphery of the water outlet, and the water outlet valve assembly is detachably and fixedly connected with the extension pipe.

Preferably, be equipped with the external screw thread on the periphery wall of extension pipe, the upper portion of valve body is equipped with the edge the bulge loop that the circumference of valve body extended, through a nut with external screw thread threaded connection and with the bulge loop axial is spacing in order to with the valve body with extension pipe detachably fixed connection.

Preferably, the valve body is sleeved in the extension pipe, and the valve core is matched with the water inlet end of the drainage channel or the water outlet in an opening and closing manner so as to enable the drainage channel to be communicated with or tangent to the water storage cavity; the valve core is provided with a sealing disc, when the valve core is positioned at the second position, the sealing disc is used for sealing the end face of the water outlet or the water inlet end of the water drainage channel so as to close the water drainage channel, and when the valve core is positioned at the first position, the sealing disc is far away from the water inlet end of the water drainage channel or the end face of the water outlet so as to open the water drainage channel.

Preferably, the water storage tank is further provided with an overflow channel, the valve body is provided with an overflow joint communicated with the drainage channel, and the overflow joint is communicated with the water outlet end of the overflow channel.

Preferably, the drain valve assembly further comprises a driving structure cooperating with the valve core, the driving structure is operatively linked with the valve core to move between the first position and the second position, and the driving structure controls the valve core to maintain the first position for a predetermined time.

Preferably, the driving structure comprises a piston cylinder and a piston arranged in the piston cylinder, the piston cylinder is provided with an inlet communicated with an inner cavity of the piston cylinder, fluid enters the piston cylinder through the inlet and then drives the piston to move, and the piston further links with the valve core to move to the first position; after the piston cylinder is decompressed, the piston is linked with the valve core to enable the valve core to move to the second position.

Preferably, the pressure of the fluid in the piston cylinder is controlled to be maintained for a preset time by an electric control structure or a mechanical time delay structure so as to control the valve core to maintain the preset time at the first position.

Preferably, the valve body is provided with an inner cavity, the piston cylinder is arranged in the inner cavity of the valve body, and the drainage channel is formed between the inner wall of the valve body and the outer wall of the piston cylinder. Furthermore, the utility model also provides a closestool equipment, including storage water tank, closestool pedestal and any one of the above-mentioned drainage device, drainage channel with the last washing passageway of closestool pedestal is linked together.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a with the valve body by the below of storage water tank or side dress connect to the bottom of storage water tank, just so can carry out the dismouting to the drainage valve subassembly in the outside of storage water tank to make the dismouting of drainage valve subassembly not receive the influence of storage water tank volume and shape, can conveniently carry out dismouting, labour saving and time saving to the drainage valve subassembly. The utility model discloses be particularly useful for highly higher and the thin hidden storage water tank of thickness.

Be equipped with the external screw thread on the periphery wall of extension pipe, the upper portion of valve body is equipped with the edge the bulge loop that the circumference of valve body extends, through a nut with external screw thread threaded connection and with the bulge loop axial is spacing in order to incite somebody to action the valve body with extension pipe detachably fixed connection, drain valve subassembly with the connection structure of extension pipe is simple, easy dismounting.

The utility model discloses a drive structure includes the piston cylinder and locates piston in the piston cylinder, the piston with case linkage cooperation, drive simple structure for drain valve subassembly overall structure is compact.

Drawings

Fig. 1 is a perspective view illustrating a drainage apparatus according to an embodiment of the present invention;

fig. 2 is a perspective sectional view of a drain device according to an embodiment of the present invention;

FIG. 3 is a schematic view of a drain assembly according to an embodiment of the present invention mounted on a water storage tank;

FIG. 4 is a cross-sectional view of a drain assembly according to an embodiment of the present invention installed on a storage tank with the valve cartridge in a second position;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

fig. 6 is a partial cross-sectional view of a drain assembly according to an embodiment of the present invention installed in a storage tank with a valve cartridge in a first position.

In the drawings:

10. a water storage tank; 11. a water storage cavity; 12. a water outlet; 13. an extension pipe; 14. an overflow channel; 15. an overflow joint; 131. an external thread; 20. a drain valve assembly; 21. a valve body; 211. a drainage channel; 212. a convex ring; 22. a valve core; 221. sealing the disc; 30. a nut; 40. a drive structure; 41. a piston cylinder; 411. an inlet; 42. a piston; 43. an elastic member; 50. and (5) sealing rings.

Detailed Description

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description of the present invention is provided with reference to the accompanying drawings, which are only some embodiments of the present invention, and it is obvious for a person skilled in the art to obtain other drawings without creative efforts.

As shown in fig. 1 to 6, a drainage apparatus according to an embodiment of the present invention includes a water storage tank 10 and a drainage valve assembly 20. The water storage tank 10 is provided with a water storage cavity 11, and the bottom of the water storage tank 10 is provided with a water discharge port 12 communicated with the water storage cavity 11. The drain valve assembly 20 includes a valve body 21 and a valve core 22, the valve body 21 has a drain passage 211 and is fixedly installed at the drain opening 12, the drain passage 211 communicates with the water storage chamber 11 through the drain opening 12, and the valve body 21 is attached to the bottom of the water storage tank 10 from the lower side or the side of the water storage tank 10. The valve core 22 is movably arranged on the valve body 21 and can move between a first position and a second position, when the valve core 22 is positioned at the first position, the water storage cavity 11 is communicated with the drainage channel 211, and when the valve core 22 is positioned at the second position, the communication between the water storage cavity 11 and the drainage channel 211 is cut off.

Specifically, in the present embodiment, the valve body 21 is attached to the bottom of the water storage tank 10 from below the water storage tank 10. The water outlet 12 is arranged on the bottom wall of the water storage tank 10, an extension pipe 13 extends downwards from the bottom surface of the water storage tank 10 at the periphery of the water outlet 12, and the drain valve assembly 20 is detachably and fixedly connected with the extension pipe 13. In other embodiments, the drain outlet 12 may be selectively opened at the bottom of the sidewall of the water storage tank 10, and the extension pipe 13 may be formed by extending the outer circumference of the drain outlet 12 in the lateral direction, so that the valve body 21 may be attached to the water storage tank 10 from the side of the water storage tank 10; alternatively, the extension pipe 13 may be formed by extending the outer circumference of the drain opening 12 laterally and then downwardly, so that the valve body 21 may be attached to the bottom of the water storage tank 10 from below the water storage tank 10.

More specifically, in the present embodiment, the outer peripheral wall of the extension pipe 13 is provided with an external thread 131, the upper portion of the valve body 21 is provided with a convex ring 212 extending along the circumferential direction of the valve body 21, and the valve body 21 is detachably and fixedly connected with the extension pipe 13 by being screwed with the external thread 131 through a nut 30 and being axially limited by the convex ring 212. The assembly and disassembly through threaded connection are simpler and more convenient.

In this embodiment, the valve body 21 is sleeved in the extension pipe 13, the outer wall of the valve body 21 is sleeved with the sealing ring 50, and the valve body 21 and the extension pipe 13 are in sealing fit with each other through the sealing ring 50. The water inlet end of the drainage channel 211 is communicated with the water storage cavity 11, and the valve core 22 is matched with the water inlet end of the drainage channel 211 in an opening and closing way so as to enable the drainage channel 211 to be communicated with or tangent to the water storage cavity 11. The valve core 22 is provided with a sealing disc 221, when the valve core 22 is positioned at the second position, the sealing disc 221 is sealed on the water inlet end of the water drainage channel 211 to close the water drainage channel 211, so that the water flow in the water storage tank 10 is prevented from flowing out; when the valve core 22 is located at the first position, the sealing disc 221 is far away from the water inlet end of the drain channel 211 to open the drain channel 211, so that the water in the water storage chamber 11 can flow out through the drain channel 211. And a sealing rubber gasket is arranged on the sealing disc 221, and the sealing disc 221 is in sealing fit with the water inlet end of the drainage channel 211 through the sealing rubber gasket. In other embodiments, the valve core 22 may be in open-close fit with the water outlet 12 to connect or disconnect the water outlet channel 211 with the water storage chamber 11, when the valve core 22 is located at the second position, the sealing cover 221 is located at the water outlet 12 to close the water outlet channel 211, and when the valve core 22 is located at the first position, the sealing cover 221 is located away from the water outlet 12 to open the water outlet channel 211.

In this embodiment, the drain valve assembly 20 further includes a driving structure 40 cooperating with the valve core 22, the driving structure 40 cooperates with the valve core 22 to move between the first position and the second position, and the driving structure 40 controls the valve core 22 to maintain the first position for a predetermined time, so that the drain passage 211 can drain water for a predetermined time. The holding pressure of the fluid in the piston cylinder 41 described below may be controlled for a predetermined time by an electronic control mechanism or a mechanical delay mechanism commonly used in the art to control the spool 22 to maintain the first position for a predetermined time.

Specifically, the driving structure 40 includes a piston cylinder 41, a piston 42 disposed in the piston cylinder 41, and an elastic member 43 elastically abutting between the piston cylinder 41 and the piston 42, the piston 42 is sleeved with a Y-shaped sealing ring, the piston 42 is in sealing sliding fit with an inner wall of the piston cylinder 41 through the Y-shaped sealing ring, the elastic member 43 is used for providing a restoring force to the piston 42, and the elastic member 43 is preferably a compression spring. The piston 42 is in linkage fit with the valve core 22, an inlet 411 communicated with an inner cavity of the piston cylinder 41 is formed in the piston cylinder 41, fluid enters the piston cylinder 41 through the inlet 411 and then drives the piston 42 to move, and the piston 42 further links the valve core 22 to move to a first position so as to open the drainage channel 211; after the piston cylinder 41 is depressurized, the piston 42 is reset by the elastic member 43, and the linkage valve core 22 is reset to the second position to close the drain passage 211. The fluid used for driving may be selected from a liquid or a gas.

In this embodiment, the valve body 21 is provided with an inner cavity, the piston cylinder 41 is arranged in the inner cavity of the valve body 21, and a drainage channel 211 is formed between the inner wall of the valve body 21 and the outer wall of the piston cylinder 41; the water storage tank 10 is provided with an overflow channel 14, the valve body 21 is provided with an overflow joint 15 communicated with the drainage channel 211, and the overflow joint 15 is communicated with the water outlet end of the overflow channel 14.

It will be appreciated that the drive mechanism 40 may also employ a motor, and it is also possible to move the spool 22 between the first and second positions via the motor.

As shown in fig. 4 and 5, at this time, the valve body 22 is in the first position, and the sealing disc 221 seals the water inlet end of the drain passage 211 to close the drain passage 211.

When fluid is delivered into the piston cylinder 41, the piston 42 is pushed to move by the fluid pressure against the elastic force of the elastic member 43, and the piston 42 further moves the valve core 22 from the second position to the first position, so that the sealing disc 221 is away from the water inlet end of the water drainage channel 211 to open the water drainage channel 211, and the water in the water storage cavity 11 can be drained from the water drainage channel 211, as shown in fig. 6.

Furthermore, the present invention further provides a toilet device, which comprises a water storage tank 10, a toilet seat (not shown) and any one of the above drainage devices, wherein the drainage channel 211 is communicated with the flushing channel (not shown) on the toilet seat. The reservoir 10 may alternatively be a concealed reservoir.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. A drain, comprising:

the water storage tank is provided with a water storage cavity, and the bottom of the water storage tank is provided with a water outlet communicated with the water storage cavity; the drain valve assembly comprises a valve body and a valve core, wherein the valve body is provided with a drain passage, the drain passage is communicated with the water storage cavity through the water outlet, and the valve body is assembled at the bottom of the water storage tank below or on the side of the water storage tank: the valve core is movably arranged on the valve body and can move between a first position for communicating the water storage cavity with the drainage channel and a second position for cutting off the communication between the water storage cavity and the drainage channel.

2. The drain device according to claim 1, wherein the drain opening is formed in a bottom wall or a side wall of the storage tank, and an extension pipe extends from a periphery of the drain opening, and the drain valve assembly is detachably and fixedly connected to the extension pipe.

3. The drain device according to claim 2, wherein the outer peripheral wall of the extension pipe is provided with an external thread, the upper portion of the valve body is provided with a convex ring extending along the circumferential direction of the valve body, and the valve body is fixedly connected with the external thread in a detachable manner by a nut which is in threaded connection with the convex ring and is axially limited by the convex ring.

4. The drainage device according to claim 2, wherein the valve body is sleeved in the extension pipe, and the valve core is in open-close fit with the water inlet end of the drainage channel or the water outlet so as to enable the drainage channel to be communicated with or tangent to the water storage cavity; the valve core is provided with a sealing disc, when the valve core is positioned at the second position, the sealing disc is used for sealing the end face of the water outlet or the water inlet end of the water drainage channel so as to close the water drainage channel, and when the valve core is positioned at the first position, the sealing disc is far away from the water inlet end of the water drainage channel or the end face of the water outlet so as to open the water drainage channel.

5. The drain device according to claim 1, wherein the water storage tank is further provided with an overflow passage, the valve body is provided with an overflow joint communicated with the drain passage, and the overflow joint is communicated with the water outlet end of the overflow passage.

6. The drain device of claim 1, wherein the drain valve assembly further includes a drive structure in cooperative engagement with the valve spool, the drive structure being in cooperative engagement with the valve spool to move between the first position and the second position, and the drive structure controlling the valve spool to remain in the first position for a predetermined time.

7. The drainage device according to claim 6, wherein the driving structure comprises a piston cylinder and a piston arranged in the piston cylinder, the piston cylinder is provided with an inlet communicated with an inner cavity of the piston cylinder, fluid enters the piston cylinder through the inlet and drives the piston to move, and the piston further links the valve core to move to the first position; after the piston cylinder is decompressed, the piston is linked with the valve core to enable the valve core to move to the second position.

8. The drain of claim 7, wherein the fluid is held at pressure in the piston cylinder for a predetermined time by an electrical control mechanism or a mechanical time delay mechanism to control the valve element to maintain the predetermined time in the first position.

9. The drain of claim 7, wherein the valve body defines an interior cavity, the piston cylinder is disposed within the interior cavity of the valve body, and the drain passage is defined between an interior wall of the valve body and an exterior wall of the piston cylinder.

10. A toilet facility comprising a water tank, a toilet seat, and a drainage device according to any one of claims 1 to 9, wherein the drainage channel is in communication with a flushing channel of the toilet seat.

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