CN216586825U - Drainer and overflow pipe thereof - Google Patents

Abstract

The utility model discloses a drainer and an overflow pipe thereof, which comprise an overflow head body and a water outlet channel, wherein the overflow head body is internally provided with an overflow channel communicated with the upper end of the water outlet channel, the cross section area of the overflow channel is larger than that of the water outlet channel, and water enters the water outlet channel from the overflow channel to form a siphon effect.

Description

Drainer and overflow pipe thereof

Technical Field

The utility model relates to the technical field of sanitary equipment, in particular to a drainer and an overflow pipe thereof.

Background

The water tank drainer is a daily article and is widely applied to every household. The water-saving device is classified according to the shape and structure of the water-saving device and can be divided into a water-saving pipe part and an overflow pipe part. The basic structure of the overflow pipe is that a special-shaped sealing ring is sleeved on an overflow head, an overflow seat is sleeved in the overflow head, the overflow seat is locked with the overflow head by screws, an overflow cover is clamped in the overflow seat, and finally one end of an overflow hose is inserted into the overflow head and the other end of the overflow hose is inserted into a sewer pipe. According to the prior art, the overflow flow of many sewer pipes on the market can not reach the national standard because the water outlet ends of overflow heads are all round pipes. When water flows from the gutter into the overflow but the overflow does not divert the water directly, the overflow has only a circular outlet, so that the inlet is faster than the outlet resulting in a greater discharge than no inlet. If the tap is forgotten to be turned off, water overflows from the water tank, and the reliability is poor.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the defects of the prior art are overcome, and the drainer and the overflow pipe thereof have the advantages that the drainage flow reaches the standard and the reliability is high.

In order to achieve the purpose, the technical scheme of the utility model is as follows: an overflow pipe comprises an overflow head body and a water outlet channel, wherein the overflow head body is internally provided with an overflow channel communicated with the upper end of the water outlet channel, the area of the cross section of the overflow channel is larger than that of the cross section of the water outlet channel, and water enters the water outlet channel from the overflow channel to form a siphon effect.

After adopting the structure, compared with the prior art, the utility model has the following advantages: the area of the cross section of the overflow channel is larger than that of the cross section of the water outlet channel. When water in the water tank enters the overflow head body, the water is discharged through the overflow channel and the water outlet channel in sequence, the area of the cross section of the overflow channel is larger than that of the cross section of the water outlet channel, the pressure inside the overflow channel is large, the pressure of the water outlet channel is small, the water outlet channel is located below the overflow channel, a siphon effect is formed, and therefore the water in the water tank is pumped out quickly, the flow is large, the water discharge flow reaches the standard, and the reliability is high.

Preferably, the cross section of the overflow channel is flat, so that the overflow head occupies no space, the time for water on two sides of the overflow head body to enter the overflow channel is shortened, and the water is drained quickly.

Preferably, the overflow pipe is arranged at the lower end of the overflow head body, the overflow channel is arranged in the overflow pipe, the overflow pipe is flat, and the overflow pipe and the overflow channel are both flat, so that the overflow head does not occupy space and is convenient to process.

Preferably, the overflow channel is internally provided with at least one partition plate for splitting water, so that the strength of the overflow channel can be enhanced, the water flowing downwards can be split, the drainage speed is high, and the drainage flow is large.

Preferably, the number of the partition plates is two, and the partition plates are parallel to each other, so that the effect is good, and the reliability is high.

Preferably, the axis of the overflow channel and the axis of the water outlet channel are on the same straight line, and the water is smoothly drained.

Preferably, the overflow device further comprises an overflow hose, the water outlet channel is arranged in the overflow hose, and the overflow hose is sleeved on the lower end of the overflow head body so as to facilitate water drainage.

Preferably, the two ends of the overflow hose are TPR products, the middle of the overflow hose is a PE product, and the PE ensures the strength of the overflow hose; the tension of the TPR product is good, and the expansion force of the TPR product wraps the water overflow head body to seal water, so that water leakage is prevented.

Preferably, the outer circumference of the lower end of the overflow head body is provided with at least one annular protrusion, and the inner side wall of the overflow hose is extruded on the annular protrusion, so that the overflow hose is connected with the overflow head body more tightly, and the sealing performance is good.

A drainer comprising an overflow pipe as claimed in any one of the preceding claims.

Drawings

Fig. 1 is a front sectional view of a drainer and an overflow pipe thereof according to the present invention.

Fig. 2 is an exploded view of a drainer and an overflow pipe thereof according to the present invention.

Fig. 3 is a perspective view of a drainer and an overflow pipe thereof according to the present invention mounted on a sink.

The overflow device comprises an overflow head body, an overflow head, an overflow seat, a special-shaped sealing ring 140, an overflow cover, a special-shaped screw 150, a special-shaped screw 2, an overflow channel, a special-shaped water outlet channel 3, an overflow channel 4, an overflow pipe 5, a partition plate 6, an overflow hose 7, an annular bulge 8 and a water inlet.

Detailed Description

The utility model is further described with reference to the following figures and detailed description.

As shown in figure 1, the utility model provides a drainer and an overflow pipe thereof, comprising an overflow head body 1, an overflow pipe 4 and a water outlet channel 3, wherein the upper end of the overflow pipe 4 is arranged at the bottom of the overflow head body 1, the side surface of the overflow head body 1 is provided with a water inlet 8, the overflow pipe 4 is internally provided with an overflow channel 2, the upper end of the overflow channel 2 is communicated with the water inlet 8, the lower end of the overflow channel 2 is communicated with the water outlet channel 3, the cross section area of the overflow channel 2 is larger than that of the water outlet channel 3, when water in a water tank enters the overflow head body 1 from the water inlet 8 and sequentially passes through the overflow channel 2 and the water outlet channel 3, the cross section area of the overflow channel 2 is larger than that of the water outlet channel 3, so that the pressure of the overflow channel 2 is larger than that of the water outlet channel 3, a siphon effect is formed, and the water discharge flow of the overflow head body 1 is larger than the water inlet flow rate even if the water tap is forgotten, the drainage flow reaches the standard, and water can not overflow from the basin, and the reliability is high.

As an example, referring to fig. 2, in order to reduce the time for water inside the sidewall of the water inlet 8 to enter the overflow path 2, the cross-section of the overflow path 2 has a flat shape, such as a rectangle, a long strip, and a waist. The water inlet 8 is a square opening, in the prior art, water is stored in the square overflow head body 1 and cannot be discharged in time, the water can be accumulated on the inner side wall of the water inlet 8 and then enters the round overflow channel in the middle of the overflow head body 1, the time is long, the flow is small, and the overflow channel 2 is flat in the technical scheme, so that the time for the water to enter the overflow channel 2 is shortened. Specifically, the overflow pipe 4 is also formed in a corresponding flat shape for ease of processing and cost reduction.

As an embodiment, a partition plate 5 is further arranged in the overflow channel 2, and the partition plate 5 is distributed along the axial direction of the overflow channel 2, so that the water is divided and the flow rate is increased. Specifically, the number of the partition plates 5 is two, and the partition plates 5 are parallel to each other, so that the strength of the overflow path 2 can be enhanced and the deformation thereof can be prevented. Specifically, for the overflow passage 2 with flat feet, the partition plate 5 is arranged along the width direction of the overflow passage 2, so that the effect is good.

As an embodiment, the axes of the overflow channel 2, the outlet channel 3 and the overflow pipe 4 are all on the same straight line.

As an embodiment, the lower end of an overflow pipe 4 is connected with an overflow hose 6, a water outlet channel 3 is arranged in the overflow hose 6, the overflow hose 6 is used for communicating the overflow pipe 4 with a sewer pipe, a PE product is arranged in the middle of the overflow hose 6 to ensure the strength, the two ends of the overflow hose 6 are both TPR products, the PE pipe is manufactured by a blow molding machine, then the PE pipe is placed in an injection molding machine to be injected with a TPR material for forming, because the characteristic tension of the TPR material is good, the two ends of the overflow hose are both made of the TPR material, a flat section is directly inserted into an overflow head for connection, one end of a circle is inserted into the sewer pipe, the tension of the TPR material is good, the size of the PE pipe is a little smaller than that of the overflow pipe 4, and then the expansion force of the TPR material is inserted to wrap the lower end of the overflow pipe 4 to seal water, and the other section is connected with one end of the sewer pipe. Specifically, at least one annular protrusion 7 is provided on the outer circumference of the lower end of the overflow pipe 4, and the annular protrusion 7 is pressed on the inner sidewall of the upper end of the overflow hose 6.

Specifically, as shown in fig. 2 and 3, the overflow head body 1 includes an overflow head 110, an overflow seat 120, a special-shaped sealing ring 130, an overflow cover 140 and screws 150, the special-shaped sealing ring 130 (silica gel) is sleeved on the periphery of the overflow head 110 to achieve a water sealing effect, so that the joint of the overflow head 110 and the water tank does not leak water, the overflow seat 120 is placed in an overflow hole of the water tank, the overflow head 110 and the special-shaped sealing ring 130 are located outside the water tank, the screw 150 is used for connecting the overflow seat 120 inside the water tank with the overflow head 110 outside the water tank, and then the overflow seat 120 inside the water tank is fastened by the overflow cover 140. The overflow tube 4 is integral with the overflow head 110. The upper end of the overflow hose 6 is also flat like the overflow pipe 4. One end of a flat head of the overflow hose 6 is directly inserted into the tail part of the overflow pipe 4, and the round head side of the other end is directly inserted into an overflow connector of the sewer pipe.

Specifically, the principle of the present invention is to provide the overflow passage 2 with a cross-sectional area larger than that of the outlet passage 3. When water in the water tank enters the overflow head body 1 and is discharged through the overflow channel 2 and the water outlet channel 3 in sequence, the cross section area of the overflow channel 2 is larger than that of the water outlet channel 3, the pressure in the overflow channel 2 is large, the pressure in the water outlet channel 3 is small, and the water outlet channel 3 is located below the overflow channel 2, so that a siphon effect is formed, water in the water tank is pumped out quickly, the flow is large, the water discharge flow reaches the standard, and the reliability is high.

On the basis of the above-described aspects, if various changes or modifications to the present invention are made without departing from the spirit and scope of the present invention, it is intended that the present invention also include these changes and modifications if they fall within the scope of the claims and the equivalent technical scope of the present invention.

Claims (10)

1. The utility model provides an overflow pipe, includes overflow head body (1) and exhalant canal (3), overflow head body (1) in be equipped with exhalant canal (3) upper end intercommunication overflow passageway (2), its characterized in that: the area of the cross section of the overflow channel (2) is larger than that of the cross section of the water outlet channel (3), and water enters the water outlet channel (3) from the overflow channel (2) to form a siphon effect.

2. An overflow pipe as claimed in claim 1, wherein: the cross section of the overflow channel (2) is flat.

3. An overflow pipe as claimed in claim 2, wherein: overflow pipe (4) are equipped with to overflow head body (1) lower extreme, overflow passageway (2) establish in overflow pipe (4), overflow pipe (4) be the platykurtic.

4. An overflow pipe as claimed in claim 1, wherein: the overflow channel (2) is also internally provided with at least one partition plate (5) for dividing water.

5. An overflow pipe as claimed in claim 4, wherein: the number of the partition plates (5) is two, and the partition plates (5) are parallel to each other.

6. An overflow pipe as claimed in claim 1, wherein: the axial line of the overflow channel (2) and the axial line of the water outlet channel (3) are on the same straight line.

7. An overflow pipe as claimed in claim 1, wherein: the water overflow device is characterized by further comprising an overflow hose (6), wherein the water outlet channel (3) is arranged in the overflow hose (6), and the overflow hose (6) is sleeved on the lower end of the overflow head body (1).

8. An overflow pipe as claimed in claim 7, wherein: TPR products are arranged at two ends of the overflow hose (6), and a PE product is arranged in the middle of the overflow hose (6).

9. An overflow pipe as claimed in claim 7, wherein: the overflow water head is characterized in that at least one annular bulge (7) is arranged on the outer circumference of the lower end of the overflow water head body (1), and the inner side wall of the overflow hose (6) is extruded on the annular bulge (7).

10. A drainer is characterized in that: an overflow pipe as claimed in any one of claims 1 to 9.

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