TWM494182U - Push type water tank drain valve - Google Patents

Description

Press type sink drain valve

The present invention relates to a drain valve applied to a sink such as a washbasin or a bathtub, and more particularly to a push-type sink drain valve installed in a drain hole of a sink.

The structural design of a push-type drain valve currently applied to a sink such as a washbasin or a bathtub is generally as shown in FIGS. 4 to 6. The conventional push-type drain valve includes a drain socket 80 and a press fitted to the drain socket 80. The drain pipe seat 80 is a circular pipe member and is mounted in an upright manner to a drain hole 51 provided at the bottom of a water tank 50. The hollow portion of the drain pipe seat 80 forms a drain passage 81, and A screw portion 82 having an internal thread is provided at an appropriate position on the inner circumferential surface of the drain socket 80. The pressing valve group 90 has a valve seat 91, a lifting shaft 92, a water stop plug 93 and a water stop 94. The valve seat 91 is screwed to the drain pipe by a locking ring 911. a screwing portion 82 of the seat 80, the lifting shaft 92 is erected and coupled to the axial center of the valve seat 91, and a control component for controlling the lifting shaft 92 to rise or fall is provided inside the valve seat 91. The water stop plug 93 has a diameter slightly smaller than the inner diameter of the drain passage 81 of the drain socket 80 and is fixedly coupled to the upper end of the lift shaft 92 by a stud 931, and the outer peripheral surface of the water stop plug 93 is recessed. There is a ring groove 932, which is made of a flexible material such as rubber or silicone rubber, and is provided with a ring 941 which is coupled to the ring groove 932 and a middle portion of the outer circumferential surface of the ring 941 A flap 942 is formed horizontally extending outwardly, and the outer diameter of the flap 942 is larger than the inner diameter of the drain passage 81 of the drain socket 80.

Referring to FIG. 5 and FIG. 6 , when the user presses the water stop plug 93 into the drainage channel 81 of the drain socket 80 , the blocking piece 942 of the water stop 94 is deformed against the drainage channel. The inner peripheral surface of 81 can prevent water from leaking from the gap G between the water stop plug 93 and the drain pipe seat 80, thereby causing a water stop action, and the effect of closing the drain passage 81 to stop the water. The technical contents of the conventional push-type drain valve can be further referred to as shown in the patent documents such as TWM334860, TWM421346, and TWM448513.

The conventional push-type drain valve utilizes the flap 942 of the water stop 94 to block the gap G located around the outside of the water stop plug 93. Such a structure should be designed when the water stop 94 is new. Appropriate water-stopping effect, but when the water-stopping company 94 is aged or deformed due to the long-term alternating action of cold water and hot water, the stop 942 of the water-stopping company 94 is difficult to reliably and comprehensively abut The inner peripheral surface of the drain passage 81 causes a water leakage problem, which causes waste of water resources and affects the durability life of the push-type drain valve.

In order to solve the problem that the existing push-type water tank drain valve is prone to water leakage and insufficient durability, the main purpose of the present invention is to provide a push-type water tank drain valve with good water stopping effect and good durability, which is mainly for the water stop The stop piece is arranged to be extended and extended in the obliquely extending manner, and a ring abutting surface for pressing the stop piece against the bottom of the drainage channel of the drain pipe seat is provided, thereby effectively ensuring the water stop function of the water stop and lifting the drain valve Durable life, solving the technical problems existing in the existing push-type drain valve.

The push-type water tank drain valve proposed by the present invention comprises: a drain pipe seat which is an upright circular pipe member and forms a drainage passage penetrating up and down in a hollow portion, and forming a drainage passage at an upper end of the drainage channel The inner diameter of the valve is larger than the valve receiving area of the drainage channel, forming a ring-shaped annular abutting surface at the position where the valve is connected with the drainage channel; and a pressing valve group having a sealing channel coupled to the drainage channel a valve seat, a lifting shaft coupled to the valve seat, a water stop plug coupled to the upper end of the lifting shaft, and a water stop joint coupled to the water stop plug; wherein the diameter of the water stop plug a ring groove is formed in the outer peripheral surface of the water stop plug, and a ring groove is disposed on the outer peripheral surface of the water stop plug, and the water stop is provided with a ring ring coupled to the ring groove and a stop piece formed by the outer extension of the ring, the outer diameter of the stop piece is larger than the inner diameter of the drainage channel, and when the water stop plug is displaced to the valve setting area, the stop piece is oriented Lower against the ring.

The push-type water tank drain valve, wherein the ring ring is extended and extended obliquely from the outer peripheral surface to form the stop piece.

The push-type water tank drain valve, wherein an outer diameter of the stop piece is equal to or smaller than an inner diameter of the valve-disposed area.

The improved efficiency of the new technical means is that the new type utilizes the matching design of the ring abutment surface of the drain pipe seat and the water stopr, and when the water stop plug is closed downward, the stop film of the water stop is directed to The lower abutment surface of the drain pipe seat provides excellent sealing and water stopping effect, even if the water stop is aging or deformed due to the long-term alternating action of cold water and hot water, the downward pressure through the water pressure In addition, the stop film of the water stop is still pressed against the ring abutment surface of the drain pipe seat to generate a water stop function, effectively ensuring the water stop performance of the drain valve, and thereby improving the durability life of the drain valve. .

A preferred embodiment of the push-type sink drain valve of the present invention is shown in FIGS. 1 to 3, and includes a drain socket 10 and a pressing valve assembly 20 assembled to the drain socket 10; wherein the drain pipe The seat 100 is a circular pipe member and is mounted in an upright manner to a drain hole 51 provided at the bottom of a water tank 50. The assembly manner of the drain pipe socket 10 and the water tank 50 is the same as that of the prior art, and is not detailed. Description.

As shown in FIG. 1 and FIG. 2, the hollow portion of the drain pipe base 10 forms a drain passage 11 penetrating vertically, and an internal threaded screw portion is disposed at an appropriate position on the inner circumferential surface of the drain pipe socket 10. 12, the drain pipe base 10 forms a valve-closing area 13 having an inner diameter larger than the drain passage 11 at the upper end of the drain passage 11, and forms a ring-like surface at the joint position of the valve-distributing area 13 and the drain passage 11. The ring meets the surface 14.

The pressing valve group 20 has a valve seat 21, a lifting shaft 22, a water stop plug 23 and a water stop 24; wherein the valve seat 21 is provided with a cylindrical housing 211 in an upright cylindrical shape. The upper end of the seat 211 is connected to a plurality of radially extending connecting pieces 212 to form a ring-shaped and externally threaded locking ring 213. The locking ring 213 is screwed to the screwing portion 12, and the locking ring 213 is screwed into the screwing portion 12 The valve seat 21 is assembled to the drain passage 11 of the drain pipe seat 10; the lift shaft 22 is a tubular seat 211 that is erected and coupled to the valve seat 21, and is provided with a control for the lift inside the sleeve 211. The control assembly for raising or lowering the shaft 22, the control assembly of the present invention for controlling the lifting shaft 22 is prior art and will not be described in detail.

The diameter of the water stop plug 23 is slightly smaller than the inner diameter of the valve receiving portion 13 of the drain socket 10 and larger than the inner diameter of the drain passage 11, so that the water stop plug 23 can be hidden and stored in the valve setting area when the water stop plug 23 is pressed down. The water stop plug 23 is locked to the upper end of the lifting shaft 22 by a stud 231, and a ring groove 232 is annularly recessed on the outer peripheral surface of the water stop plug 23;

The aforementioned water stop 24 is made of a flexible material such as rubber or silicone, and is provided with a ring 241 that is fitted to the ring groove 232 of the water stop plug 23, and a periphery of the ring 241. A stopper piece 242 is formed on the outer surface of the drainage tube 11 and is equal to or slightly smaller than the inner diameter of the drainage channel 11 of the drain pipe seat 10, such as As shown in FIG. 3, when the water stop plug 23 is pressure-displaced to the valve-disposed area 13 of the drain socket 10, the stop piece 242 can abut against the annular abutment surface 14 of the drain socket 10. The gap between the water stop plug 23 and the drain socket 10 is effectively blocked.

Referring to FIG. 2 and FIG. 3 , the present invention is provided with the ring abutting surface 14 at the upper end of the drain pipe base 10 , and the stop piece 242 of the water stop washer 24 of the pressing valve block 20 is externally expanded. In a downwardly extending manner, when the water stop plug 23 of the pressing valve block 20 is closed downward, the stop piece 242 of the water stop 24 will abut against the annular abutment surface 14 of the drain socket 10 to form A good closed water stopping effect, even if the water stop Hua 24 is aged or deformed due to long-term use, the stop piece 242 of the water stop 24 is still tightly abutted by the downward pushing action of the water pressure. The water-stopping effect is generated on the ring-fitting surface 14 of the drain pipe seat 10, thereby effectively ensuring the water-stopping performance of the drain valve, avoiding the problem of water leakage caused by water leakage, and greatly improving the durability life of the drain valve, and having practical benefits. .

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Any person having ordinary knowledge in the art can use the present invention without departing from the technical features of the present invention. Equivalent embodiments of the novel modifications or modifications made by the novel teachings are still within the scope of the novel features.

10‧‧‧Draining socket
11‧‧‧Drainage channel
12‧‧‧ screwing department
13‧‧‧Valve area
14‧‧‧ ring to face
20‧‧‧ Pressing valve group
21‧‧‧ valve seat
211‧‧‧Tucket
212‧‧‧Connecting piece
213‧‧‧Lock ring
22‧‧‧ Lifting shaft
23‧‧‧Water stop
231‧‧‧ Stud
232‧‧‧ Ring groove
24‧‧‧Waters and Waters Division
241‧‧‧ ring
242‧‧‧stop film
50‧‧‧Sink
51‧‧‧Drainage holes
80‧‧‧Draining socket
81‧‧‧Drainage channel
82‧‧‧ screwing department
90‧‧‧ Pressing valve group
91‧‧‧ valve seat
911‧‧‧Lock ring
92‧‧‧ Lifting shaft
93‧‧‧ water stop
931‧‧‧ Stud
932‧‧‧ Ring groove
94‧‧‧Waters and Waters Division
941‧‧‧ ring
942‧‧‧Block
G‧‧‧ gap

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is an exploded view of the components of the preferred embodiment of the present invention. Figure 2 is a combined cross-sectional view of the preferred embodiment of the present invention with the water stop plug open. Figure 3 is a combined cross-sectional view of the preferred embodiment of the present invention with the water stop plug closed. Fig. 4 is an exploded perspective view showing the components of a conventional push type drain valve. Fig. 5 is a sectional view showing a combination of a conventional push type drain valve when the water stop plug is opened. Fig. 6 is a sectional view showing a combination of a conventional push type drain valve when the water stop plug is closed.

10‧‧‧Draining socket

11‧‧‧Drainage channel

12‧‧‧ screwing department

13‧‧‧Valve area

14‧‧‧ ring to face

20‧‧‧ Pressing valve group

21‧‧‧ valve seat

211‧‧‧Tucket

213‧‧‧Lock ring

22‧‧‧ Lifting shaft

23‧‧‧Water stop

231‧‧‧ Stud

232‧‧‧ Ring groove

24‧‧‧Waters and Waters Division

241‧‧‧ ring

242‧‧‧stop film

50‧‧‧Sink

51‧‧‧Drainage holes

Claims (4)

The utility model relates to a push-type water tank drain valve, which comprises: a drain pipe seat, which is an upright circular pipe member and forms a drainage passage which penetrates vertically in a hollow portion, and an inner diameter larger than the drainage channel is formed at an upper end of the drainage channel a valve-closing area, forming a ring-shaped annular abutting surface at a position where the valve-distributing area and the drainage channel meet; and a pressing valve group having a valve seat coupled to the drainage channel and a piercing combination a lifting shaft of the valve seat, a water stop plug coupled to the upper end of the lifting shaft, and a water stop joint coupled to the water stop plug; wherein the diameter of the water stop plug is smaller than the inner diameter of the valve holding area The diameter is larger than the inner diameter of the drainage channel, and a ring groove is formed in the outer peripheral surface of the water stop plug, and the water stop is provided with a ring that is coupled to the ring groove and an outer ring is expanded by the ring An extended stop piece having an outer diameter larger than an inner diameter of the drain passage, and the stop piece abutting against the ring when the water stop plug is displaced to the valve setting area surface. The push-type water tank drain valve according to claim 1, wherein the ring ring is extended from the outer peripheral surface to extend obliquely to form the stopper piece. The push-type sink drain valve of claim 1 or 2, wherein the outer diameter of the stop piece is equal to the inner diameter of the valve-disposed area. The push-type sink drain valve of claim 1 or 2, wherein the outer diameter of the stop piece is smaller than the inner diameter of the valve-disposed area.