CN211774277U - Overflow device for improving overflow capacity and accelerating discharge speed of drain valve - Google Patents

Abstract

The utility model discloses an improve overflow capacity and accelerate drain valve fast overflow arrangement that discharges, including shell and check valve, the inside of shell is equipped with the cavity, inlet tube and drain pipe that the top and the bottom of shell fixedly connected with are linked together with the cavity respectively. The check valve comprises a valve rod, a valve sleeve, an elastic body, a supporting plate and an annular water baffle plate, wherein the valve sleeve is fixed below the inner part of the cavity, the bottom of the valve rod is installed in the valve sleeve and can move up and down, the supporting plate is fixed at the top of the valve rod, and the elastic body is sleeved on the outer side of the valve rod and abuts against the supporting plate. The annular water baffle is fixedly arranged at the top of the supporting plate, the top of the annular water baffle is provided with an overflow port, a water seal area is formed by encircling the annular water baffle and the supporting plate, the bottom end of the water inlet pipe extends into the water seal area, and the bottom surface of the water inlet pipe is hermetically attached to the upper surface of the supporting plate. The overflow device can be independently installed to realize the overflow function and also can be installed on the drain valve, so that the external air can not enter the drain hole of the drain valve, and the drainage speed of the drain valve is improved.

Description

Overflow device for improving overflow capacity and accelerating discharge speed of drain valve

Technical Field

The utility model relates to a bathroom field, in particular to improve overflow capacity and accelerate drain valve and arrange fast overflow arrangement.

Background

The existing drain valve consists of a valve body, a base and an overflow pipe. Wherein the valve base is communicated with the overflow pipe. 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. Meanwhile, the water inlet of the existing overflow pipe is generally arranged at the top, when overflow occurs, a vortex is easily formed at the water inlet of the top, and the vortex brings a large amount of air into the overflow pipe, so that the overflow speed is reduced, great noise can be emitted, and very bad influence is brought to the surrounding environment.

Disclosure of Invention

The utility model aims to solve the technical problem that overcome exist among the prior art not enough, provide one kind and can improve the overflow capacity and accelerate drain valve and arrange fast overflow arrangement.

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

the utility model provides an improve overflow capacity and accelerate overflow arrangement of drain valve speed of discharging, includes the shell and establishes the inside check valve of shell. The inside of shell is equipped with the cavity, the top and the bottom of shell respectively fixedly connected with inlet tube and the drain pipe that the cavity is linked together. The check valve comprises a valve rod, a valve sleeve, an elastic body, a supporting plate and an annular water baffle plate, wherein the valve sleeve is fixed below the inner part of the cavity, and the bottom of the valve rod is arranged in the valve sleeve and can move up and down. The support plate is fixed on the top of the valve rod, and the elastic body is sleeved on the outer side of the valve rod and upwards props against the support plate. The annular water baffle is fixedly arranged at the top of the supporting plate, an overflow port is formed in the top of the annular water baffle, a water seal area is formed by encircling the annular water baffle and the supporting plate, the bottom end of the water inlet pipe extends into the water seal area, and the bottom surface of the water inlet pipe is in sealing fit with the upper surface of the supporting plate.

Furthermore, the water inlet pipe corresponds to the water drain pipe in the vertical position, a plurality of support rods extending towards the axis direction of the water drain pipe are fixedly arranged at the joint of the cavity and the water drain pipe on the shell, and the valve sleeve is fixed on the support rods.

Further, the elastic body is a metal spring or a rubber spring.

Furthermore, the shell comprises an upper cover and a lower cover which are mutually inserted, the water inlet pipe is fixedly arranged on the upper cover, and the water outlet pipe is fixedly arranged on the lower cover.

Furthermore, the overflow device also comprises an overflow cap which is fixedly arranged at the top of the water inlet pipe. The overflow cap comprises a body part, an overflow pipeline which is communicated up and down is arranged in the body part, a water retaining part used for blocking the water inlet end of the overflow pipeline is fixedly arranged at the upper end of the inner wall of the overflow pipeline, and a water inlet hole communicated with the water outlet end of the overflow pipeline is arranged on the side wall of the body part.

The bottom of the water retaining part extends downwards to form a flow guide part, and a flow guide arc surface is arranged on the outer wall surface of the flow guide part at the position opposite to the water inlet hole.

Preferably, the water inlet holes are provided with a plurality of water inlet holes which are uniformly distributed along the circumferential direction of the side wall of the body part.

Furthermore, a water replenishing pipeline for inserting a water replenishing pipe is arranged in the water retaining part, and the water replenishing pipeline vertically penetrates through the water retaining part and the flow guide part.

The utility model discloses following beneficial effect has: the utility model provides an improve overflow capacity and accelerate overflow arrangement that drain valve discharged speed, when this overflow arrangement installed the use alone, normal condition, the check valve was in the closed condition, and the bottom of inlet tube is in the water seal district, and the water in the water seal district plays isolated air's effect. When the pressure of water on the check valve is larger than the elastic force of the elastic body, the check valve is opened to realize the overflow function. When the overflow device is installed on the drain valve, the check valve is in a closed state due to the elasticity of the elastic body, when the drain valve drains water, external air cannot enter the drain port of the drain valve from the water inlet pipe, the drain port of the drain valve is almost in a pipe water full state, and the drain speed of the drain valve is greatly improved through a siphon effect when the drain valve drains water; when the overflow occurs, the side wall of the overflow cap is provided with the hole and the flow guide part are structurally characterized, so that the formation of vortex above the pipe orifice of the water inlet pipe is prevented, the noise generated by water supplement is effectively reduced, the flow of water tends to be stable, and the water flow speed is higher, thereby improving the overflow capacity of the overflow device.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is a schematic diagram of the operation of the present invention, wherein fig. 3 (a) is a schematic diagram of the principle when the check valve is closed, fig. 3 (b) is a schematic diagram of the principle when the check valve is opened for overflow, and fig. 3 (c) is a schematic diagram of the principle when the check valve is opened and the bottom surface of the water inlet pipe is separated from the liquid level of the water sealing area.

Fig. 4 is a schematic view showing a first use state of the overflow device when the overflow device is mounted on the drain valve.

Fig. 5 is a schematic diagram of a second use state of the overflow device when the overflow device is mounted on the drain valve.

Fig. 6 is a schematic view showing a first use state when the overflow device is installed independently.

Fig. 7 is a schematic view of a second use state of the overflow device when the overflow device is separately installed.

Description of the main component symbols: 1. a housing; 10. a cavity; 101. an upper cover; 102. a lower cover; 2. a check valve; 200. a water seal zone; 21. a valve stem; 22. a valve housing; 23. an elastomer; 24. a support plate; 25. an annular water baffle; 250. an overflow port; 26. a support bar; 3. an overflow cap; 31. a body portion; 310. an overflow conduit; 311. a water inlet hole; 32. a water retaining part; 320. a water replenishing pipeline; 33. a flow guide part; 330. a flow guide arc surface; 4. a drain valve; 5. a water inlet valve; 50. a water replenishing pipe; 6. a water storage tank of the closestool.

Detailed Description

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

As shown in fig. 1-3, an overflow device for improving overflow capacity and speeding up the discharge speed of a discharge valve includes a housing 1, a check valve 2, and an overflow cap 3. The inside of shell 1 is equipped with cavity 10, and check valve 2 establishes in cavity 10, and the top and the bottom of shell 1 are fixedly connected with inlet tube 11 and the drain pipe 12 that are linked together with cavity 10 respectively, and inlet tube 11 corresponds with drain pipe 12 upper and lower position. The housing 1 comprises an upper cover 101 and a lower cover 102 which are inserted into each other, the water inlet pipe 11 and the upper cover 101 are of an integrally formed structure, and the water outlet pipe 12 and the lower cover 102 are of an integrally formed structure.

The check valve 2 includes a valve stem 21, a valve housing 22, an elastic body 23, a support plate 24, and an annular water guard 25. The casing 1 is fixedly provided with a plurality of support rods 26 extending towards the axial direction of the drain pipe 12 at the connecting part of the cavity 10 and the drain pipe 12, and the valve sleeve 22 is fixed on the support rods 26. The bottom of the valve stem 21 is mounted in the valve housing 22 and is movable up and down. The support plate 24 is fixed on the top of the valve rod 21, the elastic body 23 is sleeved on the outer side of the valve rod 21 and upwards props against the support plate 24, and the elastic body 23 is a metal spring or a rubber spring. The annular water baffle 25 is fixedly arranged at the top of the supporting plate 24, the top of the annular water baffle 25 is provided with an overflow port 250, a water seal area 200 is formed by enclosing the annular water baffle 25 and the supporting plate 24, the bottom end of the water inlet pipe 11 extends into the water seal area 200, and the bottom surface of the water inlet pipe 11 is in sealing fit with the upper surface of the supporting plate 24.

The overflow cap 3 is fixedly arranged on the top of the water inlet pipe 11. The overflow cap 3 comprises a body 31, an overflow pipe 310 running through the body 31 from top to bottom is arranged in the body, and a water blocking part 32 for blocking the water inlet end of the overflow pipe 310 is fixedly arranged at the upper end of the inner wall of the overflow pipe 310. The sidewall of the main body 31 is provided with a plurality of water inlets 311 communicated with the drainage end of the overflow pipe 310, and the plurality of water inlets 311 are uniformly distributed along the circumferential direction of the sidewall of the main body 31. The bottom of the water retaining portion 32 extends downward to form a flow guiding portion 33, and a flow guiding arc surface 330 is arranged on the outer wall surface of the flow guiding portion 33 at a position opposite to the water inlet 311. The water retaining part 32 is internally provided with a water replenishing pipeline 320 for inserting the water replenishing pipe 50, and the water replenishing pipeline 320 vertically penetrates through the water retaining part 32 and the flow guide part 33.

Fig. 4 is a schematic view showing one of the use states of the overflow device when it is mounted on the drain valve 4. The overflow device is arranged on the base of the drain valve 4, and the overflow outlet is arranged on the side wall of the water outlet of the valve base. In the initial state, the elastic force F1 is in the closed state, and no water is injected into the overflow device. When the water inlet valve 5 works, two water flows are provided, one water flow is injected into the water storage tank 6 of the closestool, and the other water flow is injected into the overflow device through the water supplementing pipe 50. When the gravity F2 of the flowing water is larger than the elastic force F2 of the elastic body 23, the check valve 2 is opened, and the surplus water enters the closestool pipeline through the valve base water outlet to realize the function of water replenishing.

Fig. 5 is a schematic view showing another state of use of the overflow device when it is mounted on the discharge valve 4. The overflow device is arranged on the base of the drain valve 4, and the overflow outlet is arranged on the side wall of the water outlet of the valve base. The water storage tank 6 of the closestool is normally in a full water state, the working water level is lower than the overflow water level, and the check valve 2 is in a closed state under the action of the elastic force F1 (the elastic force F1 is larger than the gravity of the water body). The bottom end of the water inlet pipe 11 is located in the water seal area 200, and the water in the water seal area 200 plays a role of isolating air, namely, the water outlet of the valve base cannot be communicated with the outside air through the overflow device, therefore, the water outlet of the base of the drain valve 4 is almost in a full pipe water state, and the flow rate of the drain water is improved. When the water inlet valve 6 does not stop water and water is continuously fed, the water storage tank 6 of the toilet overflows, water flows into the water inlet pipe 11 from an overflow port, when the gravity F4 of the water is greater than the elastic force F5, the check valve 2 is opened, the bottom surface of the water inlet pipe 11 is separated from the liquid level of the water sealing area 200, and the water flows to a toilet pipeline through a water outlet of the valve base to realize overflow.

Fig. 6 is a schematic view showing one of the use states of the overflow system when the overflow system is independently installed on the water storage tank 6 of the toilet. The overflow outlet is arranged at the bottom of the water storage tank 6 of the closestool, and in the initial state, the overflow device is in a closed state due to the action of the elastic force F1, and water is not injected into the overflow device. When the water inlet valve 5 works, two water flows are provided, one water flow is injected into the water storage tank 6 of the closestool, and the other water flow is injected into the overflow device through the water supplementing pipe 50. When the gravity F2 of the flowing water is larger than the elastic force F2 of the elastic body 23, the check valve 2 is opened, and the surplus water enters the closestool pipeline through the valve base water outlet to realize the function of water replenishing.

Fig. 7 is a schematic view showing another use state of the overflow system independently installed on the toilet tank 6. The water storage tank 6 of the closestool is normally in a full water state, the working water level is lower than the overflow water level, and the check valve 2 is in a closed state under the action of the elastic force F1 (the elastic force F1 is larger than the gravity of the water body). The bottom end of the water inlet pipe 11 is located in the water seal area 200, and the water in the water seal area 200 plays a role of isolating air, namely, the water outlet of the valve base cannot be communicated with the outside air through the overflow device, therefore, the water outlet of the base of the drain valve 4 is almost in a full pipe water state, and the flow rate of the drain water is improved. When the water inlet valve 6 does not stop water and water is continuously fed, the water storage tank 6 of the toilet overflows, water flows into the water inlet pipe 11 from an overflow port, when the gravity F4 of the water is greater than the elastic force F5, the check valve 2 is opened, the bottom surface of the water inlet pipe 11 is separated from the liquid level of the water sealing area 200, and the water flows to a toilet pipeline through a water outlet of the valve base to realize overflow.

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 (8)

1. The utility model provides an improve overflow capacity and accelerate overflow arrangement that drain valve speed of discharging which characterized in that: comprises a shell and a check valve arranged in the shell, wherein a cavity is arranged in the shell, the top and the bottom of the shell are respectively and fixedly connected with a water inlet pipe and a water outlet pipe which are communicated with the cavity, the check valve comprises a valve rod, a valve sleeve, an elastic body, a supporting plate and an annular water baffle plate, the valve sleeve is fixed below the inner part of the cavity, the bottom of the valve rod is arranged in the valve sleeve and can move up and down, the supporting plate is fixed at the top of the valve rod, the elastic body is sleeved on the outer side of the valve rod and upwards props against the supporting plate, the annular water baffle is fixedly arranged at the top of the supporting plate, the top of the annular water baffle is provided with an overflow port, a water seal area is formed between the annular water baffle and the supporting plate in a surrounding mode, the bottom end of the water inlet pipe extends into the water seal area, and the bottom surface of the water inlet pipe is in sealing fit with the upper surface of the supporting plate.

2. An overflow mechanism for increasing overflow capacity and speeding up the discharge of a discharge valve as claimed in claim 1, wherein: the water inlet pipe corresponds to the water drain pipe in the vertical position, a plurality of support rods extending towards the axis direction of the water drain pipe are fixedly arranged at the joint of the cavity and the water drain pipe on the shell, and the valve sleeve is fixed on the support rods.

3. An overflow mechanism for increasing overflow capacity and speeding up the discharge of a discharge valve as claimed in claim 1, wherein: the elastic body is a metal spring or a rubber spring.

4. An overflow mechanism for increasing overflow capacity and speeding up the discharge of a discharge valve as claimed in claim 1, wherein: the shell comprises an upper cover and a lower cover which are mutually inserted, the water inlet pipe is fixedly arranged on the upper cover, and the water outlet pipe is fixedly arranged on the lower cover.

5. An overflow mechanism for increasing overflow capacity and speeding up the discharge of a discharge valve as claimed in claim 1, wherein: the overflow pipe is characterized by further comprising an overflow cap, the overflow cap is fixedly mounted at the top of the water inlet pipe and comprises a body portion, an overflow pipeline which is communicated up and down is arranged inside the body portion, a water retaining portion used for blocking the water inlet end of the overflow pipeline is fixedly arranged at the upper end of the inner wall of the overflow pipeline, and a water inlet hole communicated with the water outlet end of the overflow pipeline is formed in the side wall of the body portion.

6. An overflow mechanism for increasing overflow capacity and speeding up the discharge of a discharge valve as claimed in claim 5, wherein: the bottom of the water retaining part extends downwards to form a flow guide part, and a flow guide arc surface is arranged on the outer wall surface of the flow guide part at the position opposite to the water inlet hole.

7. An overflow mechanism for increasing overflow capacity and speeding up the discharge of a discharge valve as claimed in claim 6, wherein: the water inlet holes are provided with a plurality of water inlet holes which are uniformly distributed along the circumferential direction of the side wall of the body part.

8. An overflow mechanism for increasing overflow capacity and speeding up the discharge of a discharge valve as claimed in claim 7, wherein: the water retaining part is internally provided with a water replenishing pipeline for inserting a water replenishing pipe, and the water replenishing pipeline is vertically communicated with the water retaining part and the flow guide part.

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