CN212294908U

CN212294908U - Overflow device for isolating air

Info

Publication number: CN212294908U
Application number: CN202021065916.2U
Authority: CN
Inventors: 陈雪瑜
Original assignee: Guli Xiamen Technology Co Ltd
Current assignee: Guli Xiamen Technology Co Ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2021-01-05
Anticipated expiration: 2030-06-11

Abstract

The utility model discloses an overflow arrangement for isolating air, which comprises an overflow base and a floating drum which is arranged above the overflow base and can move up and down. The inside drainage channel who link up from top to bottom that is provided with of overflow base, the flotation pontoon are including establishing the roof at overflow base top, the bottom and the sealed cooperation in drainage channel top of roof. The bottom of roof sets firmly a guide bar perpendicularly, and drainage channel inside sets firmly first limit structure, and first limit structure is passed and stretches out downwards to the one end of guide bar. The bottom of the guide rod is fixedly provided with a second limit structure which can be in interference fit with the first limit structure to limit the floating stroke of the floating drum. Under normal conditions, the top of the drainage channel is sealed by the buoy under the action of gravity, the drainage outlet of the drainage valve is isolated from being communicated with outside air, the outside air cannot enter the drainage outlet, the drainage outlet is almost in a full pipe water state, and the drainage speed is greatly improved through a siphon effect; when the water level overflows the floating cylinder by a certain height, the floating cylinder floats upwards and opens the drainage channel to realize overflow.

Description

Overflow device for isolating air

Technical Field

The utility model relates to a bathroom field, in particular to overflow arrangement of isolation air.

Background

In the prior art, an overflow pipe on the side edge of a drainage valve of a closestool is communicated with a drainage outlet at the bottom of the drainage valve. Under the normal stagnant water state, the outside air passes through overflow pipe and drain valve base outlet intercommunication. When the overflow phenomenon occurs, water flows from the overflow pipe to the water discharge valve base water discharge port and enters the toilet bowl pipeline. When the drain valve is opened, water flows out through the drain outlet of the drain valve base, and when the drain valve is normally used, the drain outlet of the drain valve base is communicated with outside air through the overflow pipe channel, negative pressure can be generated in the drain channel during draining, and air can be mixed into the drain outlet of the drain valve base together under the action of outside atmospheric pressure, so that the drain channel is not in a pipe full water state, and the drainage speed is reduced.

Disclosure of Invention

To the above problem, an object of the utility model is to provide an overflow arrangement of isolation air, thereby this overflow arrangement can completely cut off outside air entering drain valve outlet and accelerate the drainage rate of drain valve.

In order to realize the purpose, the utility model discloses a technical scheme as follows:

an overflow device for isolating air comprises an overflow base and a floating drum which is arranged above the overflow base and can move up and down. The inside drainage channel who link up from top to bottom that is provided with of overflow base, the flotation pontoon is including establishing the roof at overflow base top, the bottom of roof with drainage channel top sealing fit. The bottom of roof sets firmly a guide bar perpendicularly, drainage channel inside sets firmly first limit structure, the one end of guide bar passes first limit structure and stretches out downwards. And a second limiting structure which can be in interference fit with the first limiting structure to limit the floating stroke of the floating drum is fixedly arranged at the bottom of the guide rod.

Furthermore, the first limiting structure comprises a guide sleeve and at least one supporting rod, one end of the guide rod penetrates through the guide sleeve and can move up and down along the guide sleeve, and two ends of the supporting rod are fixedly connected with the outer wall surface of the guide sleeve and the inner wall surface of the drainage channel respectively.

Preferably, the outer wall surface of the guide rod is provided with a plurality of guide ribs along the length direction. Set up the aim at of a plurality of direction ribs: the contact area between the outer wall surface of the guide rod and the inner wall surface of the guide sleeve can be reduced, the friction force is reduced, and the guide rod can be prevented from being blocked, so that the guide rod can move up and down more smoothly.

Furthermore, the second limiting structure is an annular buckle with an opening at one side, a circle of buckle groove is formed in the side wall of the lower portion of the guide rod, and the annular buckle is detachably clamped and installed in the buckle groove.

Furthermore, a flow guide pipe for communicating the water replenishing pipe with the water drainage channel is fixedly arranged on the side wall of the overflow base.

The drainage pipe is arranged in the drainage channel, the drainage pipe is bent upwards to form a water storage branch pipe, a water replenishing elbow joint is detachably mounted at the top of the water storage branch pipe, and a water outlet of the water replenishing elbow joint is arranged in a downward inclined mode. When the overflow device is used for replenishing water, a water storage bay is formed among the water replenishing elbow joint, the water storage branch pipe, the flow guide pipe and the water replenishing pipe, and external air can be isolated from water stored in the water storage bay and enters the overflow port.

Furthermore, in order to better realize sealing, an annular groove is formed in the bottom of the top plate, an annular sealing rubber gasket is fixedly mounted in the annular groove, and the bottom of the annular sealing rubber gasket is in sealing fit with the top of the overflow base.

Furthermore, in order to achieve a better sealing effect, the buoy further comprises a ring of annular plate fixedly arranged at the bottom of the top plate, and the annular plate is sleeved on the outer side of the upper part of the overflow base.

Further, in order to improve the overflow effect, the guide rod downwards exceeds the bottom surface of the overflow base, and the movable stroke of the guide rod is larger than the height of the annular plate.

The utility model discloses following beneficial effect has:

1. under the normal condition, the flotation pontoon has kept apart the drain valve outlet and has communicated with each other with the outside air because of the sealed cooperation in action of gravity and overflow base top, and the outside air can't enter into in the drain, and the outlet is in full pipe water state almost, makes drainage speed improve by a wide margin through siphon effect. When the water level overflows the floating cylinder by a certain height, the floating cylinder floats upwards and opens the drainage channel to realize overflow.

2. Through set up honeycomb duct, water storage branch pipe and detachable moisturizing elbow joint at overflow base side, during the overflow arrangement moisturizing, constitute a trap between moisturizing elbow joint, water storage branch pipe, honeycomb duct and the moisturizing pipe, the retaining in the trap can keep apart in the outside air gets into the overflow mouth to avoid in running into the drain valve drain port because of the air, cause the drainage speed to reduce. The water replenishing elbow joint can have different inner diameter specifications, can realize different water replenishing rates, and can be selected and matched with the water replenishing elbow joint with the proper inner diameter according to the water replenishing quantity of the toilet.

3. The delivery port downward sloping setting of moisturizing elbow joint can avoid the moisturizing rivers to break away the flotation pontoon when too big to cause sealed inefficacy, simultaneously, the existence of moisturizing elbow joint can let the water effect of depositing of trapped water bay better.

4. Set up a plurality of direction ribs on the guide bar outer wall face, can reduce the area of contact between guide bar outer wall face and the guide sleeve inner wall face, also can prevent when having reduced frictional force that the dead risk of card appears in the guide bar for the upper and lower activity of guide bar is more smooth and easy.

5. The utility model discloses an overflow arrangement both can install in the overflow pipe of drain valve, realizes the function of isolated air and overflow, also can install alone in the water tank bottom, realizes overflow and moisturizing function.

Drawings

Fig. 1 is a schematic perspective view of an overflow device according to a first embodiment.

Fig. 2 is an exploded view of the part of fig. 1.

Fig. 3 is a schematic view of an internal structure of the overflow device according to the first embodiment.

Fig. 4 is a schematic perspective view of the overflow base.

Fig. 5 is a schematic diagram of an overflow device according to the first embodiment, in which fig. 5a is a schematic diagram of the float being closed, and fig. 5b is a schematic diagram of the float being opened.

Fig. 6 is a schematic view showing a first usage state of the overflow device of the first embodiment when the overflow device is mounted on the overflow pipe of the drain valve.

Fig. 7 is a schematic view showing a second usage state of the overflow device of the first embodiment when the overflow device is mounted on the overflow pipe of the drain valve.

Fig. 8 is a schematic view showing a first use state of the overflow device of the first embodiment when the overflow device is separately installed at the bottom of the water tank.

Fig. 9 is a schematic view of a second use state of the overflow device of the first embodiment when the overflow device is separately installed at the bottom of the water tank.

Fig. 10 is a schematic perspective view of an overflow device according to a second embodiment.

Fig. 11 is an exploded view of the part of fig. 10.

Fig. 12 is a schematic view of the internal structure of the overflow device according to the second embodiment.

Description of the main component symbols: 1. an overflow base; 10. a drainage channel; 101. a guide sleeve; 102. a support bar; 103. a flow guide pipe; 104. a water storage branch pipe; 105. a water replenishing elbow joint; 2. a float bowl; 201. a guide bar; 202. a guide rib; 203. an annular buckle; 204. a fastening groove; 21. a top plate; 210. an annular groove; 22. an annular plate; 3. an annular sealing rubber gasket; 4. a water inlet valve; 40. a water replenishing pipe; 5. a drain valve; 50. an overflow pipe; 6. a water tank.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

Example one

As shown in fig. 1-4, an overflow device for isolating air comprises an overflow base 1 and a float 2 which is arranged above the overflow base 1 and can move up and down, wherein a drainage channel 10 which is through up and down is arranged in the overflow base 1. The buoy 2 comprises a top plate 21 arranged at the top of the overflow base 1 and a ring of annular plates 22 fixedly arranged at the bottom of the top plate 21. An annular groove 210 is formed in the bottom of the top plate 21, an annular sealing rubber pad 3 is fixedly installed in the annular groove 210, the bottom of the annular sealing rubber pad 3 is in sealing fit with the top of the overflow base 1, and the annular plate 22 is sleeved on the outer side of the upper portion of the overflow base 1.

The bottom of roof 21 sets firmly a guide bar 201 perpendicularly, and drainage channel 10 is inside to set firmly first limit structure, and first limit structure is passed and is stretched out downwards to the one end of guide bar 201. The bottom of the guide rod 201 is fixedly provided with a second limit structure which can be in interference fit with the first limit structure to limit the floating stroke of the buoy 2. An annular groove is formed in the bottom of the top plate, an annular sealing rubber gasket is fixedly mounted in the annular groove, and the bottom of the annular sealing rubber gasket is in sealing fit with the top of the overflow base.

The first limiting structure comprises a guide sleeve 101 and a plurality of support rods 102, one end of each guide rod 201 penetrates through the guide sleeve 101 and can move up and down along the guide sleeve 101, the guide rods 201 downwards exceed the bottom surface of the overflow base 1, and the moving stroke of each guide rod 201 is larger than the height of the annular plate 22. The plurality of support rods 102 are uniformly distributed along the circumferential direction of the outer wall of the guide sleeve 101, and two ends of each support rod 102 are fixedly connected with the outer wall surface of the guide sleeve 101 and the inner wall surface of the drainage channel 10 respectively.

Preferably, the guide bar 201 has a plurality of guide ribs 202 on its outer wall surface along the length direction.

The second limiting structure is an annular buckle 203 with an opening on one side, a circle of buckle groove 204 is formed in the side wall of the lower portion of the guide rod 201, and the annular buckle 203 is detachably clamped and installed in the buckle groove 204.

A guide pipe 103 for communicating the water replenishing pipe 30 and the drainage channel 10 is fixedly arranged on the side wall of the overflow base 1. The flow guide pipe 103 is bent upwards inside the drainage channel 10 to form a water storage branch pipe 104, a water replenishing elbow joint 105 is detachably mounted at the top of the water storage branch pipe 104, and a water outlet of the water replenishing elbow joint 105 is arranged in a downward inclined mode. When the overflow device is used for replenishing water, a water storage bay is formed among the water replenishing elbow joint 105, the water storage branch pipe 104, the guide pipe 103 and the water replenishing pipe 40, and the stored water in the water storage bay can isolate external air from entering the overflow port.

As shown in fig. 5, which is a working principle diagram of the overflow device of this embodiment, under normal conditions, due to the gravity action of the float 2, the guide rod 201 and the annular sealing rubber pad 3, the annular sealing rubber pad 3 and the top of the overflow base 1 are in a sealed state, so as to isolate the drainage outlet of the drain valve from being communicated with the outside air. Meanwhile, the buoy 2 is in a closed state due to the gravity of the buoy 2, the guide rod 201 and the annular sealing rubber gasket 3, as shown in fig. 5 a. When the water level rises and overflows the floating cylinder 2 by a certain height, the annular sealing rubber pad 3 is separated from the sealing surface of the overflow base 1 as the floating cylinder 2 begins to float upwards, and water flows into the overflow port to realize overflow, as shown in fig. 5 b.

Fig. 6 and 7 are schematic views showing a use state of the overflow device of the present embodiment when the overflow device is mounted on the overflow pipe 50 of the drain valve 5. In the initial state, the buoy 2 is in a closed state due to the action of gravity. When the water inlet valve 4 works, two streams of water are injected into the water tank 6, and the other stream of water is injected into the overflow pipe 50 through the water replenishing pipe 40 and enters a closestool pipeline through a water outlet of the valve base to realize the water replenishing function. When the water inlet valve 4 does not stop water and continuously enters water, the water tank 6 overflows, when the water level of the water tank 6 rises and overflows the floating barrel 2 for a certain height, the floating barrel 2 starts to float upwards, water flows into the overflow pipe 50 from an overflow port, and the water flows to a toilet pipeline through a water outlet of the valve base to realize overflow.

Fig. 8 and 9 are schematic views showing the use state of the overflow device of the present embodiment when the overflow device is separately installed at the bottom of the water tank 6. The side wall of the water outlet of the base of the drain valve is not provided with an overflow channel. In the initial state, the buoy 2 is in a closed state due to gravity. When the water inlet valve 4 works, two streams of water are injected into the water tank 6, and the other stream of water is injected into the overflow pipe 50 through the water replenishing pipe 40 and enters a closestool pipeline through a water outlet of the valve base to realize the water replenishing function. When the water inlet valve 4 does not stop water and continuously enters water, the water tank 6 overflows, when the water level of the water tank 6 rises and overflows the floating barrel 2 for a certain height, the floating barrel 2 starts to float upwards, water flows into the overflow pipe 50 from an overflow port, and the water flows to a toilet pipeline through the overflow pipe 50 to realize overflow.

Example two

As shown in fig. 10-12, the present embodiment differs from the first embodiment only in that: the draft tube 103 is not provided on the side of the overflow base 1, and the trap pipe 104 and the water supply elbow 105 are not provided inside the drain passage 10. The rest of the structure and principle of the embodiment are the same as those of the first embodiment.

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

1. An overflow arrangement for isolating air, comprising: including the overflow base with establish the flotation pontoon that can move about from top to bottom in overflow base top, the inside drainage channel who link up from top to bottom that is provided with of overflow base, the flotation pontoon is including establishing the roof at overflow base top, the bottom of roof with the sealed cooperation in drainage channel top, the bottom of roof has set firmly a guide bar perpendicularly, drainage channel inside has set firmly first limit structure, the one end of guide bar is passed first limit structure stretches out downwards, the guide bar bottom set firmly can with the second limit structure of first limit structure interference fit in order to restrict the flotation pontoon come-up stroke.

2. An air-insulated overflow device as claimed in claim 1, wherein: the first limiting structure comprises a guide sleeve and at least one supporting rod, one end of the guide rod penetrates through the guide sleeve and can move up and down along the guide sleeve, and two ends of the supporting rod are fixedly connected with the outer wall surface of the guide sleeve and the inner wall surface of the drainage channel respectively.

3. An air-insulated overflow device as claimed in claim 2, wherein: and a plurality of guide ribs are arranged on the outer wall surface of the guide rod along the length direction.

4. An air-insulated overflow device as claimed in claim 1, wherein: the second limiting structure is an annular buckle with an opening at one side, a circle of buckle groove is formed in the side wall of the lower portion of the guide rod, and the annular buckle is detachably clamped and installed in the buckle groove.

5. An air-insulated overflow device as claimed in claim 1, wherein: and a flow guide pipe for communicating the water replenishing pipe with the water drainage channel is fixedly arranged on the side wall of the overflow base.

6. An air-insulated overflow device as claimed in claim 5, wherein: the honeycomb duct is in the inside bending type that makes progress of drainage channel forms a trap pipe, a moisturizing elbow joint is installed to trap pipe's top detachably, the delivery port downward sloping setting of moisturizing elbow joint.

7. An air-insulated overflow device as claimed in claim 1, wherein: an annular groove is formed in the bottom of the top plate, an annular sealing rubber gasket is fixedly mounted in the annular groove, and the bottom of the annular sealing rubber gasket is in sealing fit with the top of the overflow base.

8. An air-insulated overflow device as claimed in claim 1, wherein: the buoy also comprises a ring of annular plates fixedly arranged at the bottom of the top plate, and the annular plates are sleeved on the outer side of the upper part of the overflow base.

9. An air-insulated overflow device as claimed in claim 8, wherein: the guide rod downwards exceeds the bottom surface of the overflow base, and the moving stroke of the guide rod is larger than the height of the annular plate.