TWI729824B - Smooth and non-convex general drain head - Google Patents

Abstract

The present invention relates to a universal drain head with a stable and non-convex switch. It includes: a drain pipe body, which retracts in a stepped shape and has an upper stop portion and a lower stop portion on the inner edge of the pipe; and a pressing drain arranged on the drain pipe body. The interior of the drainage pipe body is supported and positioned by the lower stopper, and the pressing drainer has a water stop plug that can be used to press up to drain or drop to stop the water; and a movable drainage cover to match the internal dimensions of the top section of the drainage pipe body It is arranged inside the drainage pipe body, and a compression spring is arranged between the bottom surface of the movable drainage cover and the upper stopper. The movable drainage cover has a pressing block under it. When the movable drainage cover is not subjected to downward pressure , The compression spring makes the top edge of the movable drainage cover flush with the top edge of the drainage pipe body, and the bottom edge of the lower pressure block just abuts against the top edge of the water stop plug in the drainage posture. In this way, it is used to provide a sanitary drain head that does not protrude, and has the top edge flush with the installation surface and prevents mosquitoes and odors from entering the home from the public pipeline.

Description

Smooth and non-convex general drain head

The present invention relates to a general drainage head with a stable and non-convex switch, in particular to a movable drainage cover whose normal posture is to maintain flush with the top edge of the drainage pipe body, and use the downward pressure of the movable drainage cover to control the pressing of the drainer to switch drainage or The designer of the water-stop gesture.

By the way, bathtubs, washbasins, toilet floors and toilets are common appliances or areas in the home that need to be drained. The toilets are designed with traps inside to prevent mosquitoes and odors from entering the home from public pipelines; however, toilet floors Most of the drainage outlets are not designed with traps, so that mosquitoes and odors can enter the home from the public pipeline, which affects the sanitary conditions of the home. Furthermore, the conventional drainage heads installed at the bathtub drainage outlet and washbasin drainage outlet can be used. The water-stop state of the drainage head prevents mosquitoes and odors from entering the home from the public pipeline, but the top edge of the drainage head will protrude outwards when it is in the drainage state, and it is easy to injure hands or feet due to collision.

The main purpose of the present invention is to provide a universal drain head with a smooth and non-convex switch, which has the top edge flush with the installation surface and prevents mosquitoes and odors from entering the home from the public pipeline.

Another object of the present invention is to have the effect of being universally applied to the floor drain of bathtubs, washbasins and toilets.

In order to achieve the above-mentioned effects, the technical features of the present invention include: a drain pipe body, which is stepped inwardly and has an upper stop portion and a lower stop portion on the inner edge of the pipe; and a pressing drain arranged in the drain pipe body The upper part is supported and positioned by the lower stop part, the press drainer has a water stop plug that can be used to press up to drain or lower the water stop; and a movable drain cover, which is arranged in accordance with the internal dimensions of the top section of the drain pipe body A compression spring is arranged inside the drain pipe body and between the bottom surface of the movable drain cover and the upper stopper. A lower pressing block is provided under the movable drain cover. When no down pressure is applied, the movable drain cover compresses The spring just makes the top edge of the movable drainage cover flush with the top edge of the drainage pipe body, and the bottom edge of the lower pressing block just abuts against the top edge of the water stop plug in the drainage posture; wherein, the top edge of the drainage pipe body has an outer expansion The convex ring part.

In addition, the lower pressure block also has a longitudinal through hole, the lower section of the longitudinal through hole has a retracted blocking surface, and a lower sinker is arranged in the longitudinal through hole, and the top edge of the sinker has a latching surface relative to the stop surface. A retaining ring, the bottom edge of the sinking column is connected to the top edge of the water stopper. When the water stopper is in a rising drainage posture, the sinking column assumes a rising and revealing posture. When the water stopper is in a descending water stop posture, The sinking column presents a descending and hiding posture, and the sinking post is in a revealed or hidden posture to determine whether the water stopper is a drainage posture or a water stop posture.

In addition, the pressing drain includes: the water stop plug, a base, a lifting body, a rotating body, a jacking spring, a sealing body, and a sealing gasket; the base has a central cylinder Body and an outer ring body, a plurality of ribs are formed between the central cylinder body and the outer ring body, and a pressing guide groove is formed on the periphery of the central cylinder body, and the base is positioned at the lower stop portion by the outer ring body And the jacking spring, the rotating body and the lifting body are installed inside the central cylinder, and the sealing block is combined with the open end of the central cylinder, and the central cylinder, the lifting body, The rotating body, the jacking spring, and the sealing block constitute a press-type lifting mechanism, the water stop plug is coupled to the upper part of the lifting body, and the sealing gasket is sleeved on the outer periphery of the water stop plug; wherein, the outer The outer periphery of the ring body is also provided with an apron; the bottom of the central cylinder is integrated, and the top of the central cylinder is used as the open end.

Thereby, the normal posture of the movable drain cover is kept flush with the top edge of the drain pipe body. When the movable drain cover is subjected to downward pressure, the lower pressure block is used to push the stop plug to switch the drain or stop posture When the applied downward pressure is released, the movable drain cover uses the compression spring to return to a posture that is flush with the top edge of the drain pipe body.

First of all, please refer to [Figure 1] ~ [Figure 6], the present invention includes: a drain pipe body 10, stepped inwardly retracted on the inner edge of the pipe with an upper stopper portion 11 and a lower stopper portion 12, the pipe The top edge has an outwardly expanding convex ring portion 13; a pressing drain 20 is arranged inside the drain pipe body 10 and is supported and positioned by the lower stop 12, and the pressing drain 20 has the function of lifting and draining water by pressing. A water stop plug 21 for lowering the water stop; and a movable drainage cover 30, which is arranged inside the drainage pipe body 10 in accordance with the internal dimensions of the top section of the drainage pipe body 10, and on the bottom surface of the movable drainage cover 30 and the upper stop portion A compression spring 31 is arranged between the movable drainage cover 30 and the lower pressure block 32 is provided under the movable drainage cover 30. When the movable drainage cover 30 is not applied with downward pressure, the compression spring 31 makes the top edge of the movable drainage cover 30 and the drainage The top edge of the pipe body 10 is flush, and the bottom edge of the lower pressing block 32 just abuts against the top edge of the water stop plug 21 in the drainage position; in addition, the lower pressing block 32 also has a longitudinal through hole 321, the longitudinal through hole 321 The lower section has a retracted blocking surface 322, and a lower sinker 33 is arranged in the longitudinal through hole 321. The top edge of the sinker 33 has a blocking ring 331 relative to the stop surface 322, and the bottom edge of the sinker 33 It is combined with the top edge of the stopper 21.

Furthermore, please refer to [Figure 3], the specific structure of the pressing drain 20 includes: the water stop plug 21, a base 22, a lifting body 23, a rotating body 24, a lifting spring 25, a The sealing block 26 and a sealing gasket 27; wherein the base 22 has a central cylinder 221 and an outer ring 222, and a plurality of ribs 223 are formed between the central cylinder 221 and the outer ring 222, A pressing guide groove 224 is formed on the inner periphery of the central cylinder 221, the base 22 is positioned on the lower stop 12 by the outer ring body 222, and the outer periphery of the outer ring body 222 also has an apron 225; and The jacking spring 25, the rotating body 24 and the lifting body 23 are installed inside the central cylinder 221, and the sealing stopper 26 is combined with the open end of the central cylinder 221, and the central cylinder 221 has a top end As an open end (the bottom of the central cylinder 221 is integrated), the central cylinder 221, the lifting body 23, the rotating body 24, the lifting spring 25, and the sealing block 26 form a pressing lifting mechanism The water stop plug 21 is connected to the upper part of the lifting body 23, and the sealing gasket 27 is sleeved on the outer periphery of the water stop plug 21.

Based on this structure, please refer to [Figure 4] to [Figure 6]. The normal posture of the movable drain cover 30 is to maintain flush with the top edge of the drain pipe body 10. When the movable drain cover 30 is pressed down , The lower pressure block 32 is used to push the stop plug 21 to switch the drainage or stop posture. When the applied downward pressure is released, the movable drainage cover 30 uses the compression spring 31 to return to the top edge of the drainage pipe body 10 Flush posture; however, when the stop plug 21 is in an upward drainage posture, the sinking column 33 assumes a rising and exposed posture (as shown in [Figure 4]), when the stop plug 21 is in a descending water stop posture , The sinking column 33 presents a descending and hiding posture (as shown in [Figure 6]), and the sinking post 33 is in a revealing or concealing posture, allowing the user to clearly distinguish that the water stopper 21 is a drainage posture or a stop posture. Water gesture.

Therefore, the present invention cleverly combines the pressing drain 20 and the movable drain cover 30, which are commonly used for the floor drains of bathtubs, washbasins and toilets, and the movable drain cover 30 is used as a switch to smoothly press the movable drain cover 30. Control the pressing drain 20 to switch between draining and stopping water postures. When there is no need to drain the water, the pressing drain 20 can be switched to the stopping water posture to prevent mosquitoes and odors from entering the home from the public pipeline; however, when applied to the activity drain After the downward pressure of the cover 30 is relieved, the movable drain cover 30 uses the compression spring 31 to return to its normal posture flush with the top edge of the drain pipe body 10 (not protruding). When used in the washbasin drain port, it will not wash anything. It hurts the hands, and when used in the bathtub and floor drain, it will not hurt the feet due to bulging; therefore, the top edge is flush with the installation surface and prevents mosquitoes and odors from entering the home from the public pipeline. Furthermore, the press drain 20 or the movable drain cover 30 can be equipped with a filter to prevent hair or foreign objects from entering the drain pipe, and the movable drain cover 30 and the press drain 20 are easy to remove, which improves the convenience of cleaning hair or foreign objects.

To sum up, the structure disclosed in the present invention is unprecedented, and it can achieve the enhancement of efficacy, and is available for industrial use. It fully meets the requirements of an invention patent. I pray that the Jun Bureau will grant the patent to encourage innovation. , No sense of morality.

However, the drawings and descriptions disclosed above are only preferred embodiments of the present invention. Anyone who is familiar with the art and makes modifications or equivalent changes based on the spirit of the case should still be included in the scope of the patent application in this case.

10: Drain pipe body 11: Upper stop 12: Lower stop 13: Convex ring 20: Press the drain 21: Water stop 22: Pedestal 221: center cylinder 222: Outer Ring Body 223: Rib 224: Press the guide groove 225: rubber ring 23: Lifting body 24: rotating body 25: jacking spring 26: Sealing body 27: Sealing gasket 30: movable drainage cover 31: Compression spring 32: Lower pressure block 321: Longitudinal through hole 322: Card Blocking Surface 33: sinking column 331: Snap Ring

[Figure 1] is an exploded perspective view of the structure of the present invention. [Figure 2] is a three-dimensional view of the structure of the present invention. [Figure 3] is an exploded perspective view of the structure of the pressing drain of the present invention. [Figure 4] is a cross-sectional view of the structure of the present invention (drainage posture). [Figure 5] is a cross-sectional view of the structure of the present invention (the movable drain cover is pressed down to switch the posture). [Figure 6] is a cross-sectional view of the structure of the present invention (water stop posture).

10: Drain pipe body

11: Upper stop

12: Lower stop

13: Convex ring

20: Press the drain

21: Water stop

221: center cylinder

222: Outer Ring Body

224: Press the guide groove

225: rubber ring

23: Lifting body

24: rotating body

25: jacking spring

26: Sealing body

27: Sealing gasket

30: movable drainage cover

31: Compression spring

32: Lower pressure block

321: Longitudinal through hole

322: Card Blocking Surface

33: sinking column

331: Snap Ring

Claims (5)

A general drain head with smooth and non-convex switch, including: A drain pipe body, which is stepped inwardly and has an upper stopper and a lower stopper on the inner edge of the pipe; A press drain, which is arranged inside the drain pipe body and is supported and positioned by the lower stopper, the press drain has a water stop plug that is used to press to raise the drain or lower the water stop; and A movable drainage cover is arranged inside the drainage pipe body in accordance with the internal dimensions of the top section of the drainage pipe body, and a compression spring is arranged between the bottom surface of the movable drainage cover and the upper stopper, and the movable drainage cover has a lower When no downward pressure is applied to the movable drainage cover, the compression spring just makes the top edge of the movable drainage cover flush with the top edge of the drainage pipe body, and the bottom edge of the lower pressure block just abuts against the drainage posture Top edge of water stopper; Thereby, the normal posture of the movable drain cover is kept flush with the top edge of the drain pipe body. When the movable drain cover is subjected to downward pressure, the lower pressure block is used to push the stop plug to switch the drain or stop posture When the applied downward pressure is released, the movable drain cover uses the compression spring to return to a posture that is flush with the top edge of the drain pipe body. According to claim 1, the universal drain head with stable and non-convex switch, wherein the lower pressing block also has a longitudinal through hole, and the lower section of the longitudinal through hole has a retractable blocking surface, and a block is provided in the longitudinal through hole A sinking column, the top edge of the sinking column has a retaining ring relative to the stop surface, and the bottom edge of the sinking column is connected to the top edge of the water stopper. When the water stopper is in a rising drainage posture, the sinking column is When the water stopper is in a descending and water-stop posture, the sinking column is in a descending and hidden posture, and the sinking post is in a exposed or hidden posture, and the water stopper is judged as a drainage posture or a water-stopping posture. attitude. The switch stable and non-convex universal drain head according to claim 2, wherein the pressing drain includes: the water stopper, a base, a lifting body, a rotating body, a lifting spring, and a sealing body , And a sealing gasket; the base has a central cylinder and an outer ring, a number of ribs are formed between the central cylinder and the outer ring, and a pressing guide groove is formed on the periphery of the central cylinder, The base is positioned at the lower stop portion by the outer ring body; and the jacking spring, the rotating body, and the lifting body are installed inside the central cylinder, and the sealing stopper is combined with the central cylinder The opening end of the central cylinder, the lifting body, the rotating body, the lifting spring, and the sealing block body form a pressing lifting mechanism, the water stop plug is connected to the upper part of the lifting body, and the sealing gasket It is sleeved on the outer periphery of the water stop. The switch stable and non-convex universal drain head as described in claim 3, wherein the outer periphery of the outer ring also has an apron; the bottom of the central cylinder is integrated, and the top of the central cylinder is used as the opening end. According to claim 4, the smooth and non-convex switch general drain head, wherein the top edge of the drain pipe body has an outwardly-expanded convex ring portion.

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