CN108678091B - Drain valve and bathroom utensil - Google Patents

Abstract

The invention provides a bathroom appliance, which comprises a drain valve, wherein the drain valve comprises a cover body and a switch assembly, the switch assembly comprises an ejection ring, a gear shaft, a rotating ring, a chassis, a connecting rod and a first spring, the ejection ring is connected with the cover body, a plurality of driving blocks are arranged in the inner circle of the ejection ring, the gear shaft is arranged in the ejection ring, a plurality of protruding blocks are arranged on the gear shaft, a chute is arranged at one end of each protruding block, a hollow part is arranged in the gear shaft, the gear shaft is arranged in the rotating ring, the rotating ring is provided with a plurality of rotating blocks, the driving blocks drive the rotating blocks to enter or leave the chute, a screw hole is arranged on the chassis, the connecting rod penetrates through the hollow part and then is connected with the screw hole, and the first spring is abutted between the rotating ring and the chassis.

Description

Drain valve and bathroom utensil

Technical Field

The invention relates to the field of drainage devices, in particular to a drainage valve and a bathroom appliance.

Background

Bathtub is becoming widely used as an important product of urban high-end bathrooms, and the variety of bathtubs on the market is various, but the types of drainage devices in the bathtubs are few, and the drainage devices adopted by the bathtubs on the market at present mainly comprise the following four types:

1. the flip-type drainage device is characterized in that a flip-type drainage device capable of exposing a water outlet is arranged at the bottom of the bathtub to drain water, and then the flip-type drainage device is sealed after being turned through a water sealing plug of the flip-type drainage device, so that the flip-type drainage device has the advantages of long service life, but when the flip-type drainage device is turned, because a certain force is needed for matching, the flip-type drainage device is difficult to be in a vertical optimal running state at one time, and sometimes things drop into the water outlet easily from the water outlet when carelessly falling into the bathtub. The flip is often difficult to break off when closed.

2. The push-pull type drainage device is internally provided with a water sealing plug, and the water sealing plug moves up and down by a manual push-pull switch according to a linear rotation transmission principle, so that drainage is realized.

3. The plug type drainage device can open the drainage valve to drain water by pulling the chain connected with the valve plug, but the chain is easy to rust after being soaked in water for a long time, the mechanical property is reduced, the chain is exposed on the surface of the bathtub, the chain is required to be manually lifted during drainage, a user is easy to trip, and the device is not attractive and unsafe.

Whichever type of drain device is used for a long time, if not cleaned in time, the mechanical property is reduced due to deposition and adhesion of dirt, and the subsequent use is affected. The existing drain valve is complex in structure, difficult to install and detach, troublesome to clean, troublesome to use and operation of the existing drain valve are troublesome, and certain inconvenience is brought to users.

Disclosure of Invention

A first object of the present invention is to provide a drain valve and a sanitary ware that are easy to install and detach and easy to operate.

A second object of the present invention is to provide a sanitary fixture including a drain valve.

In order to achieve the first purpose, the drain valve provided by the invention comprises a cover body and a switch assembly, wherein the switch assembly comprises an ejection ring, a gear shaft, a rotating ring, a chassis, a connecting rod and a first spring, the ejection ring is connected with the cover body, a plurality of driving blocks are arranged in the inner circle of the ejection ring, the gear shaft is arranged in the ejection ring, a plurality of protruding blocks are arranged on the gear shaft, a chute is arranged at one end of each protruding block, a hollow part is arranged in the gear shaft, the gear shaft is arranged in the rotating ring, the rotating ring is provided with a plurality of rotating blocks, the driving blocks drive the rotating blocks to enter or leave the chute, a screw hole is formed in the chassis, the connecting rod penetrates through the hollow part and then is connected with the screw hole, and the first spring is abutted between the rotating ring and the chassis.

Therefore, the cover body is connected with the ejection ring, the ejection ring and the rotating ring are respectively sleeved outside the gear shaft, the connecting rod penetrates through the gear shaft and then is connected with the chassis and is connected with the water outlet, so that the switch assembly is arranged in the water outlet, the first spring is positioned between the rotating ring and the chassis, and when the water outlet valve is in a water outlet state, the cover body is positioned above the water outlet, and water can conveniently flow to the water outlet; when the bathroom ware using the drain valve needs to store water, the cover body is driven to move to drive the ejection ring to move, the ejection ring is driven to move to rotate under the torsion action of the first spring, the rotating ring rotates, the rotating block in the rotating ring enters the chute of the gear shaft, meanwhile, the rotating block is kept motionless in the chute under the elastic action of the first spring because the rotating block is positioned between the chute and the first spring, so that the switch assembly is in a locking state, at the moment, the cover body covers and clings to the drain opening, so that the drain opening is in a closed state, water cannot enter the drain opening, and therefore water storage of the bathroom ware is realized.

The further scheme is that a first chute is arranged between every two adjacent convex blocks, a second chute is arranged on each convex block, a plurality of driving blocks are respectively arranged in the first chute and the second chute, and a rotating block is arranged in the first chute; the second spout and chute intercommunication, based on the radial of gear shaft, the degree of depth of first spout is greater than the degree of depth of second spout.

The driving block and the rotating block are respectively arranged in the first sliding groove, so that the driving block and the rotating block respectively move along the extending direction of the first sliding groove, the first sliding groove limits the movement of the driving block and the rotating block, and the driving block can not accurately drive the rotating block to move in the process of driving the driving block to rotate and move is avoided; when the rotating block is positioned in the chute, due to the communication between the second chute and the chute, the driving block positioned in the second chute drives the rotating block of the chute to be separated from the chute, and the depth of the first chute is larger than that of the second chute, so that the convex driving block can accurately drive the rotating block in the chute to move when being positioned in the first chute.

The driving block drives the rotating block to slide into the first chute from the chute through the inclined plane of the second inclined plane end, and the inclined direction of the second inclined plane end is the same as that of the chute; the drive block is provided with the circular arc tip towards the one end of rotating the piece, and circular arc tip and first inclined plane end cooperation.

Therefore, the first inclined surface end and the second inclined surface end are matched, the second inclined surface end plays a role in guiding, so that the rotating block can slide into the first chute more easily and more easily, the rotating block which is separated from the chute and is positioned in the first chute moves along the extending direction of the first chute under the action of the elastic force of the first spring, and meanwhile, the driving block is driven to move, the locking state of the switch assembly is relieved, the cover body is enabled to move, the water in the bathroom appliance can flow into the water outlet without clinging to the water outlet, and the drainage of the drainage valve is realized.

According to a further scheme, based on the axial direction of the gear shaft, the length of the first chute is larger than that of the chute.

Therefore, after the driving block drives the rotating block to separate from the chute, the rotating block slides into the first chute, and the length of the first chute is larger than that of the chute, so that enough length in the first chute drives the ejection ring to move, thereby realizing the movement of the cover body and the drainage of the drainage valve.

The further scheme is that a plurality of drive blocks are arranged along the circumference of the ejection ring, a slope is arranged between two adjacent drive blocks, and the rotating block can move along the slope surface of the slope.

Therefore, when the driving block drives the rotating block to move and the rotating block rotates under the torsion action of the first spring, the slope guides the rotating block in the process, so that the rotating block accurately enters the chute.

The further scheme is that the switch assembly further comprises a second spring, the connecting rod is a capped screw, and the second spring is abutted between a nut of the capped screw and the driving block.

Therefore, after the driving block drives the rotating block to enter the chute, the driving block can not drive the cover body to move through the movement of the driving block under the action of the elasticity of the second spring, so that the cover body always keeps a state of being clung to the water outlet.

The switch assembly further comprises a spring backing ring, the spring backing ring is arranged between the rotating ring and the first spring, the spring backing ring is provided with an abutting platform and a limiting block, the limiting block is arranged along the inner circle of the spring backing ring, the first spring abuts against the abutting platform, and the first spring is sleeved outside the limiting block; the rotating block extends out of the rotating ring, and is arranged in the spring cushion ring and is adjacent to the limiting block.

It is seen that the rotating block is arranged in the spring washer ring, and the second spring is sleeved outside the limiting block, so that when the torsion of the first spring drives the rotating block to rotate, the position of the spring washer ring is prevented from shifting, the action direction of the first spring is incorrect, and the rotating block cannot accurately enter the chute or the first chute.

In order to achieve the second object of the invention, the invention provides a bathroom appliance, which comprises a water storage body and a drain valve, wherein the drain valve is the drain valve, a drain outlet is arranged at the bottom of the water storage body, a switch assembly is arranged in the drain outlet, and a cover body covers the drain outlet.

Drawings

FIG. 1 is a block diagram of an embodiment of a bathtub drainer according to the invention.

FIG. 2 is an exploded view of an embodiment of the bathtub drainer of the invention.

FIG. 3 is an exploded view of the drain valve in an embodiment of the bathtub drainer of the invention.

FIG. 4 is a cross-sectional view of an embodiment of the bathtub drainer of the invention.

FIG. 5 is a cross-sectional view of an ejector ring in an embodiment of the bathtub drainer of the invention.

FIG. 6 is a block diagram of a gear shaft in an embodiment of the bathtub drainer of the invention.

FIG. 7 is a block diagram of a swivel ring in an embodiment of the bathtub drainer of the invention.

The invention is further described below with reference to the drawings and examples.

Detailed Description

The drain valve is applied to bathroom appliances capable of storing water, such as a basin, a bathtub and the like, and is used for realizing the switching between the drainage state and the water storage state of the water storage appliance. The drain valve in this embodiment is used in a bathtub.

The bathtub of the present invention comprises a tub body and a drainer, and referring to fig. 1 and 2, the drainer 1 comprises a drain pipe 2, an overflow assembly 3, and a drain valve 4, and a first drain port 21, a second drain port 22, and a third drain port 23 are provided on the drain pipe 2, and the first drain port 21, the second drain port 22, and the third drain port 23 are communicated with each other. The overflow assembly 3 includes an overflow cover assembly 31 and an overflow frame assembly 32 connected to each other, a first overflow gap 33 is provided between the overflow cover assembly 31 and the overflow frame assembly 32, the first overflow gap 33, the overflow frame assembly 32 and the first drain opening 21 are communicated with each other, and the overflow frame assembly 32 is connected to the first drain opening 21. The drain valve 4 includes a switch assembly 5 and a cover 6, the cover 6 is connected to the switch assembly 5, the switch assembly 5 is disposed in the second drain opening 22, and the cover 6 covers the second drain opening 22. The first overflow 33 is higher than the second drain 22 in level.

The cylinder body is provided with a second overflow port and a fourth water outlet, the fourth water outlet is arranged at the bottom of the cylinder body, the second overflow port is higher than the fourth water outlet in arrangement based on the horizontal plane of the bottom of the cylinder body, the second overflow port is arranged between the overflow cover assembly 31 and the overflow frame assembly 32, the fourth water outlet is communicated with the second water outlet 22, the cover body 6 is arranged at the bottom of the cylinder body and covers the fourth water outlet, and the switch assembly 5 is arranged in the fourth water outlet. The bathtub drainer 1 is arranged in the bathtub, the first overflow port 33 corresponds to the second overflow port, and when the overflow assembly 3 is arranged on the bathtub body, the first overflow port 33 is overlapped and communicated with the second overflow port; the second drain opening 22 corresponds to the fourth drain opening, and when the drainer 1 is mounted on the cylinder, the second drain opening 22 is mounted in the fourth drain opening, and there is no gap between the second drain opening 22 and the fourth drain opening, so that when the drain valve 4 in the second drain opening 22 is driven to drain water, water in the cylinder can flow from the second drain opening 22 directly into the drain pipe 2.

Because the height of the first overflow port 33 is higher than the height of the second water outlet 22 on the same horizontal plane, the distance between the first overflow port 33 and the second water outlet 22 is the water storage space of the bathtub, when the bathtub is in a water full state in the water storage space, water can flow from the first overflow port 33 to the first water outlet 21 and flow into the water outlet pipe 2, when the water in the bathtub needs to be discharged, the water in the bathtub only needs to be opened to flow into the water outlet pipe 2 from the second water outlet 22, and finally, the water in the water outlet pipe 2 flows out from the third water outlet 23, and the first overflow port 33 is arranged, so that the overflow can be realized when the water overflows out of the bathtub, and the continuous water storage in the bathtub until the overflow is avoided, so that the waste of water resources is caused.

The drain pipe 2 is a T-shaped drain pipe, the first water outlet 21 of the drain pipe 2 is connected with one end of the overflow pipe 24 through a threaded joint 241, the other end of the overflow pipe 24 is connected with the overflow frame assembly 32, and a sealing ring 242 is further arranged between the threaded joint and the first water outlet 21. The second drain port 22 of the drain pipe 2 is also connected to the straight end of the elbow drain pipe 25 by a screw fitting 251, a drain plug 26 is provided in the elbow end of the elbow drain pipe 25, a cross bracket is provided at the bottom of the drain plug 26, and the switch assembly 5 is connected to the cross bracket. A seal 252 is also provided between the nipple 251 and the second drain port 22, and a gasket 253 is provided between the drain plug 26 and the elbow end of the elbow drain pipe 25. When the drainer 1 is installed, the position of the first overflow 33 may be adjusted by adjusting the connection length between the overflow pipe 24 and the drain pipe 2, or the position of the drain plug 26 may be adjusted by adjusting the connection length between the elbow drain pipe 25 and the drain pipe 2.

The overflow cover 311 assembly 31 includes an overflow cover 311 and a connection plate 312, the connection plate 312 connecting the overflow cover 311. The overflow frame assembly 32 includes an overflow frame 321 and a fixing frame 322, the fixing frame 322 is disposed in the overflow frame 321, and the connecting plate 312 is connected with the fixing frame 322. In this embodiment, the overflow frame 321 is connected to the overflow pipe 24, the fixing frame 322 is provided with a through hole 324 and a through hole 325, the fixing frame 322 is fixed in the overflow frame 321 by passing through the through hole 325 through a screw 326, the overflow frame 321 is further provided with a waterproof ring 323, the fixing frame 322 is arranged in the waterproof ring 323, the overflow frame component 32 is communicated with a second overflow port of the cylinder body, water in the cylinder body flows into the overflow frame component 32 from the second overflow port and flows into the overflow pipe 24, and the waterproof ring 323 is arranged to prevent water from overflowing out of the overflow frame 321. In the present embodiment, the connection plate 312 is provided with a through hole 313, and the connection between the overflow cover 311 assembly 31 and the overflow bracket assembly 32 is achieved by passing through the through hole 313 and the through hole 324 through the screw 314. The overflow cover 311 is connected with the connecting plate 312 through a buckle structure, and the overflow cover 311 is internally provided with an ectopic cylinder for preventing foolproof in the installation direction, and the overflow cover 311 is used for shielding the overflow port.

Referring to fig. 4, the overflow pipe 24 is connected to one end of the overflow frame 321 in a bent configuration such that the overflow assembly 3 is laterally disposed, and the laterally disposed overflow assembly 3 is adapted to the laterally disposed overflow port in the cylinder.

Referring to fig. 3 and 4, the drain valve 4 includes a cover 6 and a switch assembly 5. The switch assembly 5 includes an ejector ring 51, a gear shaft 52, a rotating ring 53, a chassis 54, a connecting rod 55, a first spring 56, a second spring 57, and a spring washer 58, and the ejector ring 51 is screwed to the cover 6. The gear shaft 52 is disposed in both the ejector ring 51 and the rotary ring 53, the gear shaft 52 is provided with a hollow portion 521, the chassis 54 is provided with a screw hole, the connecting rod 55 penetrates the hollow portion 521 and then is connected to the screw hole, and the first spring 56 abuts between the rotary ring 53 and the chassis 54. Referring to fig. 5, a plurality of driving blocks 511 are provided in an inner circle of the ejector ring 51, a plurality of protruding blocks 522 are provided on the gear shaft 52, a chute 523 is provided at one end of the protruding blocks 522, a plurality of rotating blocks 531 are provided on the rotating ring 53, and the driving blocks 511 are used for driving the rotating blocks 531 into or out of the chute 523. In this embodiment, the connecting rod 55 is a cap screw and the first spring 56 is a torsion spring.

The cover body 6 is connected with the ejection ring 51, the ejection ring 51 and the rotating ring 53 are respectively sleeved outside the gear shaft 52, the connecting rod 55 passes through the gear shaft 52 and then is connected with the chassis 54, and is connected with the cross bracket in the drain plug 26, so that the switch assembly 5 is arranged in the drain plug 26, the first spring 56 is positioned between the rotating ring 53 and the chassis 54, and when the drain valve 4 is in a drain state, the cover body 6 is above the drain plug 26, so that water can flow to the drain plug 26 conveniently. When the bathtub using the drain valve 4 needs to store water, the cover 6 is driven to move to drive the ejector ring 51 to move, the ejector ring 51 is driven to move to rotate the rotating ring 53, and under the torsion action of the first spring 56, the rotating ring 53 rotates, so that the rotating block 531 in the rotating ring 53 enters the chute 523 of the gear shaft 52, meanwhile, under the action of the elasticity of the first spring 56, the rotating block 531 is kept motionless in the chute 523, so that the switch assembly 5 is in a locking state, at the moment, due to the movement of the cover 6, the cover 6 covers and clings to the drain plug 26, so that the drain outlet of the drain plug 26 is in a closed state, water cannot enter the drain plug 26, and therefore, the water storage of the bathtub is achieved, the components of the drain valve 4 are fewer, and the structure is simple, so that the installation and the disassembly are convenient, and the drain valve 4 can be conveniently cleaned.

In this embodiment, a water sealing ring 59 is disposed between the cover 6 and the ejector ring 51, the water sealing ring 59 is in a horn shape, one end of the water sealing ring 59 with a larger width in the radial direction faces the ejector ring 51, and when the cover 6 is pressed, the water sealing ring 59 can be tightly attached to the end face of the drain plug 26 facing the water sealing ring 59, or be tightly attached to the bottom of the cylinder body, so that the tightness of the drain valve 4 is improved.

Referring to fig. 6, a first sliding groove 524 is disposed between every two adjacent protruding blocks 522, a second sliding groove 525 is disposed on each protruding block 522, a plurality of driving blocks 511 are respectively disposed in the first sliding groove 524 and the second sliding groove 525, and a rotating block 531 is disposed in the first sliding groove 524; the second sliding groove 525 communicates with the chute 523, and the depth of the first sliding groove 524 is greater than the depth of the second sliding groove 525 based on the radial direction of the gear shaft 52. The driving block 511 and the rotating block 531 are respectively arranged in the first sliding groove 524, so that the driving block 511 and the rotating block 531 respectively move along the extending direction of the first sliding groove 524, the first sliding groove 524 realizes limiting the movement of the driving block 511 and the rotating block 531, and the driving block 511 can not accurately drive the rotating block 531 to move in the process of driving the driving block 511 to rotate and move is avoided; when the rotating block 531 is located in the chute 523, due to the communication between the second chute 525 and the chute 523, the driving block 511 located in the second chute 525 drives the rotating block 531 of the chute 523 to be separated from the chute 523, and the depth of the first chute 524 is larger than that of the second chute 525, so that the protruding driving block 511 can accurately drive the rotating block 531 in the chute 523 to move relative to the time when the driving block is located in the first chute 524. In the present embodiment, the protruding block 522 includes a first protruding strip 526, a second sliding groove 525, a second protruding strip 527, and a chute 523, the second sliding groove 525 is disposed between the first protruding strip 526 and the second protruding strip 527, and the chute 523 is disposed at one end of the first protruding strip 526 and one end of the second sliding groove 525. In the present embodiment, along the axial direction of the gear shaft 52, the first sliding grooves 524 and the second sliding grooves 525 are alternately distributed, the number of the first sliding grooves 524 is 3, the number of the second sliding grooves 525 is three, the number of the driving blocks 511 is 6, and the number of the rotating blocks 531 is 3.

Referring to fig. 7, the rotating block 531 is provided with a first inclined surface end 532 at an end facing the driving block 511, and a second inclined surface end 528 at an end of the protruding block 522, and the second inclined surface end 528 is located between the chute 523 and the first chute 524, and in this embodiment, the second inclined surface end 528 is provided on the second protrusion 527. The driving block 511 drives the rotating block 531 to slide from the chute 523 into the first chute 524 via the inclined surface of the second inclined surface end 528, the inclined direction of the second inclined surface end 528 is the same as the inclined direction of the chute 523, the cooperation between the first inclined surface end 532 and the second inclined surface end 528, and the second inclined surface end 528 plays a guiding role, so that the rotating block 531 can slide into the first chute 524 more easily and more easily. The second beveled end 528 is beveled in the same direction as the beveled slot 523 to better form the beveled slot 523 on the boss 522 and adjacent the second tab 527. In the present embodiment, since the drain valve 4 is installed in the vertical direction, the chute 523 and the second inclined surface end 528 are disposed obliquely upward, respectively, and the rotation block 531 rotates to slide into the bottom of the chute 523 in the oblique direction of the chute 523. The driving block 511 is provided with a circular arc end portion 512 at one end facing the rotating block 531, the circular arc end portion 512 is engaged with the first inclined surface end 532, and the rotating block 531 can be better separated from the driving block 511 when the rotating block 531 rotates.

The rotating block 531 is separated from the chute 523 and the rotating block 531 in the first chute 524 moves along the extending direction of the first chute 524 under the action of the elastic force of the first spring 56, and drives the driving block 511 to move at the same time, so that the locking state of the switch assembly 5 contacts, the cover 6 moves, the second water outlet 22 is not clung any more, and water in the bathtub can flow into the second water outlet 22, so that the water drainage of the drain valve 4 is realized.

Based on the axial direction of the gear shaft 52, the length of the first chute 524 is greater than the length of the chute 523, after the driving block 511 drives the rotating block 531 to separate from the chute 523, the rotating block 531 slides into the first chute 524, and the length of the first chute 524 is greater than the length of the chute 523, so that enough length in the first chute 524 drives the ejection ring 51 to move, thereby realizing the movement of the cover 6 and the drainage of the drain valve 4.

The plurality of driving blocks 511 are arranged along the circumference of the ejector ring 51, a slope 513 is arranged between two adjacent driving blocks 511, the rotating blocks 531 can move along the slope of the slope 513, in this embodiment, since the drain valve 4 is arranged along the vertical direction, the slope 513 is inclined downwards, when the driving blocks 511 drive the rotating blocks 531 to move, and under the torsion action of the first spring 56, the rotating blocks 531 rotate, in the process, the slope 513 guides the rotating blocks 531, so that the rotating blocks 531 accurately enter the chute 523, and the downward inclined slope 513 can better guide the rotating blocks 531 into the chute 523 arranged obliquely upwards.

In the present embodiment, the second spring 57 abuts between the nut of the cap screw 55 and the driving block 511. After the driving block 511 drives the rotating block 531 to enter the chute 523, the driving block 511 cannot drive the cover 6 to move by moving itself under the action of the elastic force of the second spring 57, so that the cover 6 always keeps a state of being tightly attached to the second drain opening 22.

The spring backing ring 58 is arranged between the rotating ring 53 and the first spring 56, the spring backing ring 58 is provided with an abutting platform 581 and a limiting block 582, the limiting block 582 is arranged along the inner circle of the spring backing ring 58, the first spring 56 abuts against the abutting platform 581, and the first spring 56 is sleeved outside the limiting block 582; the rotational block 531 extends out of the rotational ring 53, and the rotational block 531 is disposed within the spring washer 58 and abuts the stopper 582. The rotating block 531 is arranged in the spring backing ring 58, and the second spring 57 is sleeved outside the limiting block 582, so that when the torsion of the first spring 56 drives the rotating block 531 to rotate, the position of the spring backing ring 58 is prevented from shifting, the acting direction of the first spring 56 is incorrect, and the rotating block 531 cannot accurately enter the chute 523 or the first chute 524.

When the bathtub is in a draining state, the water sealing ring 59 is not closely attached to the drain plug 26 or the bottom of the bathtub body, so that water in the bathtub body can flow into the drain plug 26. When the water drainage is required to be stopped, the cover body 6 is pressed, the movement of the cover body 6 drives the movement of the ejection ring 51, the driving block 511 of the ejection ring 51 drives the rotating ring 53 to move along the extending direction of the first sliding groove 524, the first spring 56 is extruded in the moving process of the rotating ring 53, the rotating ring 53 rotates under the torsion action of the first spring 56, the driving block 511 moves along the slope 513 and enters the chute 523, at the moment, the water sealing ring 59 is tightly attached to the bottom of the drain plug 26 or the cylinder body, the locking state of the drain valve 4 is realized, and water storage in the cylinder body is started. When the cylinder body needs to drain, the cover body 6 is pressed again, the driving block 511 positioned in the second sliding groove 525 drives the rotating block 531 in the sliding groove 523 to move, under the torsion action of the first spring 56, the rotating ring 53 rotates and is separated from the sliding groove 523, enters the first sliding groove 524 through the second inclined surface of the second convex strip 527, the rotating block 531 entering the first sliding groove 524 continuously moves under the elastic action of the first spring 56, and drives the ejection ring 51 to move, so that the cover body 6 is driven to move, and the water sealing ring 59 is not closely attached to the drain plug 26 or the bottom of the cylinder body, thereby realizing drainage. The drain valve has fewer component parts, simple matching relation among the components, easy installation and disassembly, and convenient cleaning and maintenance for the subsequent use of users. The drain valve 4 is installed in the drain plug 26 through the cross bracket of the cap screw 55 connected with the drain plug 26, when the drain valve is dismounted, the cover body 6 can be firstly twisted off from the ejection ring 51 to expose the straight slot of the cap screw 55, the cap screw 55 is driven to rotate by using a tool, the connection between the cap screw 55 and the drain plug 26 is disconnected, the drain valve is dismounted, and the operation is simple and convenient.

Finally, it should be emphasized that the foregoing description is merely illustrative of the preferred embodiments of the invention, and that various changes and modifications can be made by those skilled in the art without departing from the spirit and principles of the invention, and any such modifications, equivalents, improvements, etc. are intended to be included within the scope of the invention.

Claims (5)

1. Draw off valve, its characterized in that: the drain valve comprises a cover body and a switch assembly;

the switch assembly includes:

the ejection ring is connected with the cover body, and a plurality of driving blocks are arranged in the inner circle of the ejection ring;

the gear shaft is arranged in the ejection ring, a plurality of protruding blocks are arranged on the gear shaft, a chute is arranged at one end of each protruding block, and a hollow part is arranged in the gear shaft;

the gear shaft is arranged in the rotating ring, the rotating ring is provided with a plurality of rotating blocks, and the driving blocks drive the rotating blocks to enter or leave the chute;

the chassis is provided with screw holes;

the connecting rod penetrates through the hollow part and then is connected with the screw hole;

a first spring abutting between the rotating ring and the chassis;

a first sliding groove is formed between every two adjacent protruding blocks, a second sliding groove is formed in each protruding block, a plurality of driving blocks are respectively arranged in the first sliding groove and the second sliding groove, and the rotating block is arranged in the first sliding groove;

the second chute is communicated with the chute, and the depth of the first chute is larger than that of the second chute based on the radial direction of the gear shaft;

the switch assembly further comprises a second spring, the connecting rod is a capped screw, and the second spring is abutted between a nut of the capped screw and the driving block;

the switch assembly further comprises a spring backing ring, the spring backing ring is arranged between the rotating ring and the first spring, an abutting platform and a limiting block are arranged on the spring backing ring, the limiting block is arranged along the inner circle of the spring backing ring, the first spring abuts against the abutting platform, and the first spring is sleeved outside the limiting block;

the rotating block extends out of the rotating ring, and is arranged in the spring cushion ring and is adjacent to the limiting block.

2. The drain valve according to claim 1, wherein:

the rotary block is provided with a first inclined surface end at one end facing the driving block, one end of the protruding block is provided with a second inclined surface end, the second inclined surface end is positioned between the chute and the first chute, the driving block drives the rotary block to slide into the first chute from the chute through the inclined surface of the second inclined surface end, and the inclined direction of the second inclined surface end is the same as the inclined direction of the chute;

the drive block is provided with a circular arc end part towards one end of the rotating block, and the circular arc end part is matched with the first inclined surface end.

3. The drain valve according to claim 2, wherein:

based on the axial direction of the gear shaft, the length of the first chute is greater than the length of the chute.

4. A drain valve according to claim 3, wherein:

the plurality of driving blocks are arranged along the circumference of the ejection ring, a slope is arranged between two adjacent driving blocks, and the rotating blocks can move along the slope surface of the slope.

5. Bathroom utensil, its characterized in that: the bathroom fixture comprises a water storage body and a drain valve, wherein the drain valve is the drain valve according to any one of claims 1 to 4, a drain opening is arranged at the bottom of the water storage body, the switch assembly is arranged in the drain opening, and the cover body covers the drain opening.