TWI481769B - Bathtub drainage and overflow device - Google Patents

Description

Bath overflow overflow valve structure

The invention relates to an overflow drain valve, in particular to an overflow drain valve structure which is installed on a bathtub to make the overflow level of the bathtub movable adjustable.

According to the current bathtub structure, most of the overflow and drainage are integrated into an overflow drain valve. The bathtub has a water tank inside, and a perforation for the overflow drain valve is arranged at a predetermined height of the cylinder wall, as shown in the first figure. The overflow drain valve includes: a knob 101 protruding from the bathtub sink, a rigid overflow conduit 102, at least one overflow hole 103 connecting the bathtub sink and the overflow conduit 102, and a receiving The wire 104 controlled by the knob 101 and a water stop plug 105 connected to the wire 104 at the bottom drain of the bathtub.

Thereby, the knob 101 can be rotated, and the water stop plug 105 is driven by the wire 104, so that the water stop plug 105 plugs or opens the drain port of the bathtub, controls the water storage and drainage of the bathtub, and can inject water into the bathtub sink. When the height of the water storage level in the bathtub water tank exceeds the bottom edge of the overflow hole 103, the water stored in the bathtub water tank flows out through the overflow hole 103 and the overflow line 102 to maintain the highest water storage level in the bathtub.

However, in the conventional overflow overflow valve of the bathtub, the rigid overflow pipe 102 is generally difficult to be installed smoothly in the narrow hollow portion of the bathtub, and has the problem of inconvenient construction, and the position of the overflow hole 103 is fixed. Therefore, it can only provide the water level of the bathtub at a fixed height, which cannot be easily adjusted according to the needs or the user's body shape, and the utility is not good. Moreover, it needs to be pre-cooled in the bathtub wall. A perforation for the overflow drain valve is disposed at a fixed height, and the knob 101 of the overflow drain valve protrudes from the bathtub sink, so that the knob 101 is easy to be blocked by the user, and is careless The risk of injury from a collision.

The inventors of the present invention have come to the present invention in view of the shortcomings of the above-mentioned conventional overflow drain valve of the bathtub, which is based on the idea of creation and trial, and after several trials and trials of the sample test, and multiple corrections and improvements.

The present invention provides an overflow overflow valve structure for a bathtub, comprising: a drainage unit and an overflow pipe, wherein the drainage unit comprises: a tube and a water stop plug, wherein the seat tube is longitudinally disposed, and an inner hole is arranged therein. a drain port is disposed at a middle portion of the inner hole, and a pipe defining a first communication port communicating with the inner hole is formed on the pipe wall of the seat pipe, and a pipe wall of the seat pipe is provided with a hole and a hole below the drain hole a second communication port, the water stop plug is used for plugging or opening a drain port of the seat tube, the overflow pipe is a flexible deformable hollow pipe body having a first end and a second The first end is connected to the first communication port of the drain unit seat tube, and the second end is connected to the second communication port of the drain unit seat tube, so that the overflow tube is flexed to form a shape, and the overflow A water level high point is formed at a middle portion of the flow tube which is higher than the first communication port and the second communication port, and a water inlet portion is formed between the water level high point and the first end, and a water outlet portion is formed between the water level high point and the second end By this, the overflow pipe can be made into the water section by the principle of the connecting pipe. When the water level of the inner bath tank holding contour, to serve as the reservoir water level in the bath tub high ground water level exceeds the height of the overflow pipe, so that water in the tub is automatically discharged from the overflow pipe, to maintain the bath The highest water level in the tank.

The main purpose of the invention is that the overflow pipe is flexible and deformable, and the construction is convenient, and the water level high point of the overflow pipe can be raised or lowered by the deflection deformation of the overflow pipe, thereby making the highest water storage in the bathtub. The water level can be easily adjusted according to the needs or the user's body shape.

A second object of the present invention is that it does not need to provide a perforated flood drain valve in the cylinder wall of the bathtub, and the components installed in the bathtub sink can be reduced to reduce the interference and collision of the user during bathing.

In the following, the preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings: as shown in the second, third, fourth and fifth figures, the overflow drain valve structure of the bathtub of the present invention comprises: a drainage unit 1. An overflow pipe 2 and a control unit 3, wherein the drainage unit 1 comprises: a tube 11, a water stop plug 12, a locking ring 13 and an upper cover 14, the seat tube 11 being a longitudinally disposed hollow tube body The inner wall of the two-stage inner hole 111 is provided with a water outlet 112 at the upper edge of the small-diameter step. The pipe wall of the seat tube 11 is provided above the water outlet 112. a first communication port 113 communicating with the large-order step of the two-step inner hole 111. The tube wall of the seat tube 11 is provided with a second communication port communicating with the small-order step of the two-step inner hole 111 below the drain port 112. 114, that is, the second communication port 114 is located lower than the first communication port 113, and the water outlet 112 is located between the first communication port 113 and the second communication port 114, and the water stop plug 12 is disposed on the The two-step inner hole 111 of the seat tube 11 is used for plugging or opening the drain port 112 of the seat tube 11, and the water stop plug 12 extends downwardly to provide a post 121 The locking ring 13 is locked on the upper end of the seat tube 11. The filter tray 131 is provided with a filter function. The water filter tray 131 extends downwardly from a center of the positioning tube 1311. The upper cover 14 is provided with a plurality of through holes 141. A connecting rod 142 extending downward from the center of the bottom surface is connected to the water stop plug 12 through the positioning tube 1311 of the water filter tray 131, so that the upper cover 14 and the water stop plug 12 are supported and positioned, and the upper cover 14 can be stopped. The water plug 12 is vertically moved up and down to cover or disengage the ring-shaped ring 13 , and the overflow pipe 2 is a flexible and deformable hollow pipe body having a first end 21 and a second end 22 . The first end 21 is connected to the first communication port 113 of the seat tube 11 of the drainage unit 1, and the second end 22 is connected to the second communication port 114 of the seat tube 11 of the drainage unit 1 to bend the overflow tube 2 to form In the middle of the overflow pipe 2, a water level high point 23 is formed higher than the first communication port 113 and the second communication port 114, and a water inlet section 24 is formed between the water level high point 23 and the first end 21. The water level high point 23 and the second end 22 form a water discharge section 25, and the height L of the water level high point 23 is the most bathtub. The control unit 3 includes a control switch 31, a wire 32 and a dialing member 33. The control switch 31 is connected to the dialing member 33 through the wire 32. The dialing member 33 is disposed on the draining unit. a seat tube 11 is disposed on a side of the seat tube 11 and is provided with a lever 331 which is inserted into the two-step inner hole 111 of the seat tube 11 by the second communication port 114 of the seat tube 11. The lever 331 extends to the pole of the water stop plug 12. Below the 121, the lever 331 can be controlled by the control switch 31 to swing up and down through the wire 32.

In use, as shown in the sixth figure, the water stop 12 of the drain unit 1 is used to plug the drain port 112 of the seat tube 11 to close the drain port 112, and water is injected into the bathtub sink to synchronize the injected water. The through hole 141 of the upper cover 14 flows In the large diameter step of the two-step inner hole 111 of the seat tube 11, the first communication port 113 of the seat tube 11 and the first end 21 of the overflow tube 2 enter the water inlet portion 24 of the overflow tube 2, and The water level in the water inlet section 24 of the overflow pipe 2 is kept equal to the water level in the bathtub water tank by the principle of the communication pipe. When the water level in the bathtub water tank exceeds the height L of the water level high point 23 of the overflow pipe 2, As shown in the seventh figure, the water in the bathtub sink passes through the water leveling point 23 of the overflow section 24 of the overflow pipe 2, and the water outlet section 25 of the overflow pipe 2 passes through the second end 22 of the overflow pipe 2 and the seat pipe. The second communication port 114 of 11 flows to the small-diameter step of the two-step inner hole 111 of the seat tube 11 and is discharged to maintain the highest water storage level in the bathtub.

When the water in the bathtub is to be discharged, as shown in the eighth figure, the control switch 31 of the control unit 3 controls the dial 33 to rotate through the wire 32, so that the lever 331 of the dial 33 swings upward. And the rod 121 of the water stop plug 12 is pushed upward to displace the water stop plug 12 and the upper cover 14 upward, and the water stop plug 12 is separated from the drain port 112 of the seat tube 11, and the water in the bathtub can pass through the The drain port 112 is smoothly discharged.

Furthermore, when it is desired to adjust the maximum water storage level in the bathtub according to the needs or the user's body shape, the overflow pipe 2 can be flexibly deformed as shown in the ninth figure, so that the water level high point 23 of the overflow pipe 2 is followed. By lowering the height L1 or increasing the height, you can easily adjust the maximum water level of the changing bathtub.

From the structure of the above specific embodiment, the following benefits can be obtained:

1. The overflow drain valve structure of the bathtub of the present invention, the overflow pipe 2 is flexible and deformable, and can be smoothly installed in the narrow hollow portion of the bathtub, and the construction is convenient, and the height of the water level high point 23 of the overflow pipe 2 can be The deflection of the overflow pipe is increased or decreased, so that the highest water level in the bathtub can be According to the needs or the user's body shape, the function and practicality are improved.

2. The overflow drain valve structure of the bathtub of the present invention does not need to provide a perforation for the overflow drain valve at a predetermined height of the bathtub wall of the bathtub, thereby reducing the components installed in the bathtub sink and reducing the use. The person is hindered and collided during bathing, thereby achieving better convenience and safety.

In summary, the present invention has indeed achieved a breakthrough structure, and has improved invention content, and at the same time, can achieve industrial utilization and progress. When complying with the provisions of the Patent Law, the new patent application is filed according to law. The census review committee granted legal patent rights and was praying.

[study]

101‧‧‧ knob

102‧‧‧Overflow line

103‧‧‧ overflow hole

104‧‧‧Wire

105‧‧‧ water stop

〔this invention〕

1‧‧‧Drainage unit

11‧‧‧ seat tube

111‧‧‧Two-step inner bore

112‧‧‧Drainage

113‧‧‧ first connection

114‧‧‧second communication port

12‧‧‧ water stop

121‧‧‧ pole

13‧‧‧Locking ring

131‧‧‧Water filter tray

1311‧‧‧ Positioning tube

14‧‧‧Upper cover

141‧‧‧through hole

142‧‧‧ Connecting rod

2‧‧‧Overflow tube

21‧‧‧ first end

22‧‧‧ second end

23‧‧‧ water level commanding heights

24‧‧‧Inlet section

25‧‧‧Outlet

3‧‧‧Control unit

31‧‧‧Control switch

32‧‧‧Wire

33‧‧‧WD parts

331‧‧‧

L‧‧‧ Height

L1‧‧‧ height

The first picture: a stereoscopic view of the appearance of the system.

Second Fig.: A perspective view of a partial appearance of the present invention.

Third Figure: A partial perspective cross-sectional view of the present invention.

Fourth Figure: is a partial plan sectional view of the present invention.

Fifth Figure: A side view of the present invention.

Fig. 6 is a schematic cross-sectional view showing the state of the present invention in an unflowed state.

Figure 7 is a schematic cross-sectional view showing the overflow state of the present invention.

Figure 8 is a schematic view showing the state of drainage of the bathtub of the present invention.

Ninth diagram: The schematic diagram of adjusting the water level of the overflow pipe of the present invention.

1‧‧‧Drainage unit

11‧‧‧ seat tube

111‧‧‧Two-step inner bore

112‧‧‧Drainage

113‧‧‧ first connection

114‧‧‧second communication port

12‧‧‧ water stop

121‧‧‧ pole

13‧‧‧Locking ring

131‧‧‧Water filter tray

1311‧‧‧ Positioning tube

14‧‧‧Upper cover

141‧‧‧through hole

142‧‧‧ Connecting rod

2‧‧‧Overflow tube

21‧‧‧ first end

22‧‧‧ second end

33‧‧‧WD parts

331‧‧‧

Claims (5)

The utility model relates to an overflow drainage valve structure of a bathtub, comprising: a drainage unit, the drainage unit comprises: a tube and a water stop plug, wherein the seat tube is longitudinally disposed, an inner hole is arranged therein, and a drain port is arranged at a middle portion of the inner hole a first communication port communicating with the inner hole is formed in the pipe wall of the seat pipe, and a pipe of the pipe is disposed at a lower side of the water pipe to communicate with the inner hole The water stop plug is used for plugging or opening the drain port of the seat tube; and an overflow pipe is a flexible deformable hollow pipe body having a first end and a second end The first end is connected to the first communication port of the drain unit seat tube, and the second end is connected to the second communication port of the drain unit seat tube, so that the overflow tube is deflected to form a shape, and the overflow is overflowed A water level high point is formed at a middle portion of the pipe higher than the first communication port and the second communication port, and a water inlet portion is formed between the water level high point and the first end, and a water outlet portion is formed between the water level high point and the second end. The overflow drain valve structure of the bathtub according to claim 1, wherein the inner hole of the seat tube of the drainage unit is two steps up and down, the first communication port of the seat tube and the two steps The large diameter step of the inner hole communicates, and the second communication port of the seat tube communicates with the small diameter step of the two-step inner hole. The overflow drain valve structure of the bathtub according to claim 2, wherein the drain port of the drain unit seat tube is disposed on the upper edge of the small-diameter step of the two-step inner hole. The overflow drain valve structure of the bathtub according to claim 1, wherein the water stop plug is disposed in the inner hole of the seat tube, the water stop plug A pole is extended downward. The overflow drain valve structure of the bathtub according to claim 1, wherein the drain unit further comprises a locking ring and an upper cover, wherein the locking ring is locked at the upper end of the seat tube, and a filtering function is arranged inside. The water filter tray has a positioning tube extending downward from the center of the water filter tray, and the upper cover is provided with a plurality of through holes, and a connecting rod extending downward through the water filter tray is connected to the water stop plug.