CN212153599U

CN212153599U - Silent toilet cistern inlet valve

Info

Publication number: CN212153599U
Application number: CN202020261730.8U
Authority: CN
Inventors: 胡利荣; 彭东; 于兴义
Original assignee: Oceanwell Xiamen Industrial Co ltd
Current assignee: Oceanwell Xiamen Industrial Co ltd
Priority date: 2020-03-05
Filing date: 2020-03-05
Publication date: 2020-12-15
Anticipated expiration: 2030-03-05

Abstract

The utility model discloses a silence toilet tank water intaking valve, including backpressure switch and floating barrel, still include the stagnant water seat, be equipped with the water inlet runner and the play water runner of mutual intercommunication in the stagnant water seat, the play water end that goes out the water runner is in form the delivery port on the stagnant water seat, still include the water receiving pipe of vertical setting, water receiving pipe top opening receives delivery port exhaust water, the delivery port with it cuts off the interval to form the air between the opening of water receiving pipe top, still include the flow distribution piece, the flow distribution piece sets up and is located the top in the water receiving pipe, the flow distribution piece is the grid structure. Because the water outlet and the opening at the top end of the water receiving pipe are not connected end to end, and a height difference exists between the water outlet and the opening at the top end of the water receiving pipe, an air separation interval is formed, and like this, a closed space cannot be formed in a water path, so that backflow is effectively prevented. And the top of the water receiving pipe is provided with a splitter plate, and water flow falls into the water receiving pipe and then is split by the splitter plate, so that the water flow noise is reduced.

Description

Silent toilet cistern inlet valve

Technical Field

The utility model relates to a water inlet valve of a toilet cistern, in particular to a water inlet valve of a silent toilet cistern.

Background

The water inlet valve of the toilet cistern mostly controls water inlet and water stopping through a back pressure switch, and the back pressure switch controls the opening or closing of the top opening of the water inlet pipe through a water stopping rubber pad. The back pressure switch is arranged at the top of the water inlet valve, meanwhile, in order to reduce the water flow noise during water inlet, the periphery of the water inlet pipe is also provided with a water outlet pipe, the water inlet pipe and the water outlet pipe are nested together, and after the back pressure switch is turned on, water flow is discharged into the water tank under the guidance of the water outlet pipe.

The water inlet valve has the advantages that the water channel enters the water tank through the water inlet pipe, the backpressure switch and the water outlet pipe in sequence, the water channel is practically completely sealed, water flow is not exposed to the outside, a good sound insulation effect is achieved, however, the completely sealed water channel has the risk of backflow, once backflow occurs, water in the water tank can pollute a water supply source, and sanitation and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model provides a silence toilet tank water intaking valve can prevent the rivers back. The utility model provides a technical scheme that its technical problem adopted is:

the water inlet valve of the silent closestool water tank comprises a backpressure switch, a floating barrel and a water stop seat, wherein the floating barrel is in transmission connection with the backpressure switch so as to drive the backpressure switch to open or close a water path, the water stop seat is internally provided with a water inlet flow passage and a water outlet flow passage which are communicated with each other, the backpressure switch is arranged on the water stop seat and opens or closes the water outlet end of the water inlet flow passage, the water outlet end of the water outlet flow channel forms a water outlet on the water stop seat and also comprises a water receiving pipe which is vertically arranged, the top opening of the water receiving pipe receives water discharged from the water outlet, the top opening of the water receiving pipe is positioned below the water stopping seat, an air separation section is formed between the water outlet and the opening at the top end of the water receiving pipe, and the water collecting pipe also comprises a splitter plate, the splitter plate is arranged in the water receiving pipe and positioned at the top, and the splitter plate is of a grid structure and is provided with a plurality of water leakage holes.

Compared with the background technology, the technical scheme has the following advantages:

when water enters, the back pressure switch is turned on, and water flow is discharged from the water outlet on the water stop seat, falls into the opening at the top end of the water receiving pipe and is introduced to the bottom of the water tank along the water receiving pipe. Because the water outlet and the opening at the top end of the water receiving pipe are not connected end to end, and a height difference exists between the water outlet and the opening at the top end of the water receiving pipe, an air separation interval is formed, and like this, a closed space cannot be formed in a water path, so that backflow is effectively prevented. And the top of the water receiving pipe is provided with a splitter plate, and water flow falls into the water receiving pipe and then is split by the splitter plate, so that the water flow noise is reduced. Therefore, the water inlet valve of the utility model has the advantages of backflow prevention and silence.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is an exploded perspective view of a silent toilet tank inlet valve.

FIG. 2 is a perspective view of a water receiving pipe of a silent toilet tank inlet valve.

FIG. 3 is a perspective view of a diverter blade for a silent toilet tank inlet valve.

FIG. 4 depicts a front view of a silent toilet tank fill valve.

FIG. 5 depicts a cross-sectional view of a silent toilet tank fill valve.

FIG. 6 depicts another cross-sectional view of a silent toilet tank fill valve.

Detailed Description

Referring to fig. 1 to 6, the inlet valve of the silent toilet tank comprises a back pressure switch 10 and a float 20, wherein the float 20 is in transmission connection with the back pressure switch 10 to drive the back pressure switch to open or close a water path, and the linkage relationship between the float 20 and the back pressure switch 10 can be realized by the prior art. The water-stop valve is characterized by further comprising a water-stop seat 30, wherein a water inlet channel 32 and a water outlet channel 34 which are communicated with each other are arranged in the water-stop seat 30, and the back pressure switch 10 is arranged on the water-stop seat 30 and opens or closes a water outlet end of the water inlet channel 32. The outlet end of the outlet flow passage 34 forms an outlet 342 on the water stop seat. The water collecting device further comprises a vertically arranged water collecting pipe 40, an opening in the top end of the water collecting pipe 40 receives water discharged from the water outlet 342, the opening in the top end of the water collecting pipe 40 is located below the water stopping seat 30, and an air separation interval is formed between the water outlet 342 and the opening in the top end of the water collecting pipe 40. The air isolation region refers to a structure that there is no enclosure between the water outlet 342 and the top opening of the water receiving pipe 40, and the water flow is exposed to the space of the water tank at this position. The water receiving pipe is characterized by further comprising a splitter plate 50, wherein the splitter plate 50 is arranged in the water receiving pipe 40 and located at the top, and the splitter plate 50 is of a grid structure and is provided with a plurality of water leakage holes.

When water enters, the floating barrel 20 falls down due to the low level of the water tank, the back pressure switch 100 opens the water inlet channel 32, and water flows out from the water outlet 342 along the water inlet channel 32 and the water outlet channel 34, then naturally falls into the water receiving pipe 40, and then is introduced into the bottom of the water tank along the water receiving pipe 10. When the liquid level in the water tank rises to the required height, the floating barrel 20 rises to the set height, the back pressure switch 10 is driven to close the water inlet flow passage 32, and water inlet is stopped. In a static state, the liquid level in the water tank is below the water stop seat 30, and a large air isolation interval exists between the liquid level and the water outlet 342.

Preferably, the water outlet 342 is disposed at the top of the water stop seat 30, so that the height of the water outlet 342 is further increased, and the distance between the air isolation regions is larger. The water outlet 342 is provided with a water outlet nozzle 36, the water outlet nozzle 36 guides water flow to one side of the water stopping seat 30, and the top end of the water receiving pipe 40 is deviated to one side of the water stopping seat 30 and is positioned under the water outlet nozzle 36. Therefore, the structure of the water inlet valve is more compact, the occupied volume is reduced, and the water inlet valve is convenient to install in a water tank. In this embodiment, the water outlet nozzle 36 is sleeved on the water outlet 342 and fastened to the outer wall of the water outlet 342, so that the connection is firm, and a sealing ring is arranged between the water outlet nozzle 36 and the outer wall of the water outlet 342.

Preferably, the floating barrel 20 is located below the water stopping seat 30, so as to effectively ensure that the liquid level is below the water stopping seat 30.

Preferably, a diversion trench 52 is arranged on the diversion sheet 50, a water hole 42 is arranged on the side wall of the water receiving pipe 40 corresponding to the diversion trench, a counterweight cavity 22 is arranged at the top of the floating bucket 20, the water flowing out of the water hole 42 flows into the counterweight cavity 22, and a water leakage hole is arranged at the bottom of the counterweight cavity 22. When water enters, part of water is drained to the counterweight cavity 22, the weight of the floating bucket 20 is increased, after water is stopped, counterweight water flows into the water tank, the weight of the floating bucket 20 is reduced, the floating bucket 20 generates larger buoyancy force and can drive the back pressure switch 10 to stop water stably, and the situation that the back pressure switch 10 is opened accidentally due to fluctuation of the liquid level in the water tank is effectively avoided.

Preferably, the water receiving device further comprises a guide pipe 60, wherein one end of the guide pipe 60 is communicated with the water diversion trench 52, and the other end of the guide pipe 60 extends out of the water receiving pipe from the water hole 42 and downwards extends towards the floating bucket 20. The guide tube 60 is inserted into the splitter 50, or the guide tube 60 and the splitter 50 are integrally formed. If the structure is formed integrally, the guide pipe 60 is connected with the water receiving pipe 40 in a tight fit manner. The guide tube 60 may better direct water from the sump 52 portion into the ballast chamber 22 of the pontoon 20.

Preferably, the width of the diversion trench 52 gradually increases from inside to outside, and the top projection is triangular or fan-shaped. Thus, when the water pressure is low, the water flow from the spout 36 is concentrated and a smaller portion of the water merges into the knock out channel 52. When the water pressure is high, the flow from the nozzle 36 is spread, increasing the flow of water that merges into the knock out channel 52. The amount of water introduced into the weight chamber 22 can be adjusted by changing the size of the knock out chute 52.

Preferably, a positioning step 44 is arranged in the water receiving pipe 40, and the splitter 50 is supported on the positioning step 44, so that the splitter 50 is convenient to mount. Particularly, the inner wall of the water receiving pipe 40 is provided with a limiting block 46, the outer wall of the splitter plate 50 is provided with a limiting groove 54, and the limiting block 46 is clamped with the limiting groove 54, so that the splitter plate 50 can be easily positioned, the splitter groove 52 is ensured to be corresponding to the water hole 42, and the splitter plate 50 is prevented from shifting.

Preferably, the floating barrel 20 can move up and down to be sleeved on the water receiving pipe 40. Thereby having a guiding function to the floating barrel 20 and working more stably. Particularly, when the top of the water receiving pipe 40 is plugged with the water stopping seat 30, the installation and fixation of the water receiving pipe 40 are simpler.

Preferably, the water inlet channel 32 extends transversely, and the back pressure switch 10 is located at the side of the water stop seat 30. Therefore, the height of the water inlet valve can be effectively reduced, and the water inlet valve is conveniently arranged in the water tank.

Preferably, the back pressure switch 10 includes a water stop rubber mat 11, a gland 12, and a swing hook 13, the gland 12 is connected to the side of the water stop seat 30, the water stop rubber mat 11 is connected to the inner side of the gland 12, and a pressure water cavity 14 communicated with the water inlet flow passage is formed between the two. The pressure relief hole 122 is formed in the gland 12, and the swing hook 13 is rotatably connected with the gland 12. A push rod 24 is arranged on the floating bucket 20, and after the floating bucket 20 rises, one end of the swing hook 13 is lifted by the push rod 24, so that the swing hook 13 blocks the pressure relief hole 122. After the floating barrel 20 falls down, the swing hook 13 resets to open the pressure relief hole 122. The back pressure switch 10 is specifically operated in steps: after the water is drained, the floating bucket 20 falls down, the swing hook 13 resets to open the pressure relief hole 122, the water pressure of the water channel flushes the water stop rubber mat 11, and the water channel is opened to feed water. After the liquid level rises to a set height, the floating bucket 20 rises along with the liquid level, the push rod 24 drives the swing hook 13 to swing to block the pressure relief hole 122, so that the water pressure of the pressure water cavity 14 rises to drive the water stopping rubber mat 11 to seal the water inlet flow passage, and water stopping is realized.

Preferably, the gland 12 is screwed on the water stopping seat 30, the gland 12 is provided with an elastic buckle 124, the water stopping seat 30 is provided with a blocking arm 38, the rotation of the gland 12 is limited when the elastic buckle 124 and the blocking arm 38 are abutted together, and the gland 12 can be rotatably dismounted after the elastic buckle 124 is broken. Therefore, the gland 12 is convenient to disassemble and assemble, and the gland 12 can be screwed down manually before installation, so that the gland 12 is prevented from loosening.

Preferably, the water inlet end of the water inlet channel 32 is provided with an external thread 321, which is directly screwed with the water tank, so that the assembly is simpler. Of course, if a water inlet pipe is provided in the water tank, the water inlet passage 32 may be connected to the water inlet pipe.

The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited by this description, and all equivalent changes and modifications made within the scope and the specification of the present invention should be covered by the present invention.

Claims

1. Silence toilet tank water intaking valve, including back pressure switch and keg float, the keg float with back pressure switch transmission is connected in order to drive back pressure switch opens or closes the water route, its characterized in that: still include the stagnant water seat, be equipped with the water inlet runner and the play water runner of mutual intercommunication in the stagnant water seat, the backpressure switch sets up on the stagnant water seat and open or close the play water end of water inlet runner, the play water end of water runner is in form the delivery port on the stagnant water seat, still include the water receiving pipe of vertical setting, water receiving pipe top opening is received delivery port exhaust water, water receiving pipe top opening is located stagnant water seat below, the delivery port with it cuts off the interval to form the air between the opening of water receiving pipe top, still include the splitter plate, the splitter plate sets up in the water receiving pipe and be located the top, the splitter plate is the grid structure, is equipped with a plurality of holes that leak.

2. The silent toilet tank fill valve as claimed in claim 1, wherein: the water outlet is arranged at the top of the water stopping seat, the water outlet is provided with a water outlet nozzle, the water outlet nozzle guides water flow to one side of the water stopping seat, and the top end of the water receiving pipe deviates to one side of the water stopping seat and is positioned under the water outlet nozzle.

3. The silent toilet tank fill valve as claimed in claim 2, wherein: the water outlet nozzle is sleeved on the water outlet and is buckled with the water outlet.

4. The silent toilet tank fill valve as claimed in claim 1, wherein: the floating barrel is positioned below the water stopping seat; the floating barrel can move up and down and is sleeved on the water receiving pipe; the top of the water receiving pipe is inserted with the water stopping seat.

5. The silent toilet tank fill valve as claimed in claim 4, wherein: the water distribution device is characterized in that a water distribution groove is formed in the flow distribution plate, a water hole is formed in the side wall of the water receiving pipe and corresponds to the water distribution groove, a balance weight cavity is formed in the top of the floating bucket, water flowing out of the water hole flows into the balance weight cavity, and a water leakage hole is formed in the bottom of the balance weight cavity.

6. The silent toilet tank fill valve as claimed in claim 5, wherein: the water receiving pipe is connected with the water diversion tank, one end of the guide pipe is communicated with the water diversion tank, the other end of the guide pipe extends to the outside of the water receiving pipe and extends downwards towards the floating barrel, and the guide pipe and the flow distribution sheet are connected in an inserted mode or are integrally formed.

7. The silent toilet tank fill valve as claimed in claim 5, wherein: the width of the water diversion groove is gradually enlarged from inside to outside.

8. A silent toilet tank inlet valve as claimed in claim 5 or wherein: a positioning step is arranged in the water receiving pipe, and the splitter plate is supported on the positioning step; the water receiving pipe inner wall is equipped with the stopper, the splitter plate outer wall is equipped with the spacing groove, the stopper with the spacing groove joint.

9. The silent toilet tank fill valve as claimed in claim 1, wherein: the water inlet channel transversely extends, and the back pressure switch is positioned on the side edge of the water stop seat.

10. The silent toilet tank fill valve as claimed in claim 7, wherein: the back pressure switch comprises a water stop rubber gasket, a pressing cover and a swing hook, the pressing cover is connected to the side edge of the water stop seat, the water stop rubber gasket is connected to the inner side of the pressing cover, a pressure water cavity communicated with the water inlet flow channel is formed between the water stop rubber gasket and the pressing cover, the pressing cover is provided with a pressure release hole, the swing hook is rotatably connected with the pressing cover, a push rod is arranged on the floating barrel, one end of the swing hook is lifted by the push rod after the floating barrel rises, so that the pressure release hole is blocked by the swing hook, and the swing hook resets to open the pressure release hole after the floating barrel falls; the gland is connected to the water stopping seat in a rotating mode, the gland is provided with an elastic buckle, the water stopping seat is provided with a blocking arm, the gland is limited to rotate when the elastic buckle and the blocking arm are abutted together, and the gland can be detached in a rotating mode after the elastic buckle is broken off.