CN213390389U

CN213390389U - Wash basin drainage piece for preventing waste gas in drainage pipe from flowing out

Info

Publication number: CN213390389U
Application number: CN202021860695.8U
Authority: CN
Inventors: 陈锡堃
Original assignee: Guangdong Baihe Technology Co Ltd
Current assignee: Guangdong Baihe Technology Co Ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-06-08
Anticipated expiration: 2030-08-31

Abstract

The utility model relates to a prevent wash basin drainage piece of waste gas outflow in drain pipe, include: the anti-siphon water-saving water drainage device comprises a drainage connecting pipe and a water sealing device, wherein a water outlet pipe is arranged on one side of the water sealing device, an anti-siphon one-way valve seat is arranged on the water outlet pipe, a circular valve cavity used for being connected with an anti-siphon one-way valve is arranged inside the anti-siphon one-way valve seat, an anti-siphon one-way valve core is arranged in the valve cavity, the anti-siphon one-way valve core is vertically arranged, and when the water outlet pipe generates negative pressure in the drainage process, a. The utility model discloses owing to set up anti-siphon check valve device, when the negative pressure in the water drainage pipeline was enough big, the case preforming of check valve was opened downwards and is made the water in the water storage tank not siphoned away, has effectively prevented the water of water seal in the water storage tank from being siphoned away, makes the hydroenergy of aquatic effectively play the effect of water seal in the water storage tank, and waste gas just can not flow backwards the room, has avoided the propagation of foul smell refluence and germ, more is favorable to people's healthy.

Description

Wash basin drainage piece for preventing waste gas in drainage pipe from flowing out

Technical Field

The utility model relates to a wash basin part especially relates to a wash basin drainage piece that prevents waste gas outflow in the drain pipe.

Background

A sink element is an element for draining sewage used in a bathroom, kitchen or toilet, which is attached to the bottom of a basin. Present basin washing part is because not setting up anti-siphon check valve, and the waste gas of drain pipe produces the negative pressure in the drainage pipe if the displacement is too big at the drainage in-process, will produce siphonage in the water storage tank when the negative pressure is enough big, inhales the water that is used for the water seal with the water storage tank originally futilely, causes the waste gas refluence in the drainage pipe, makes air pollution. It is therefore desirable to develop a sink drain that prevents the flow of exhaust gases from the drain pipe.

Disclosure of Invention

The utility model aims at providing a wash basin drainage piece that prevents waste gas outflow in the drain pipe to the above-mentioned problem exactly.

The utility model adopts the technical proposal that: a sink drain that prevents the egress of exhaust gas in a drain pipe, comprising: the anti-siphon water-saving drainage device comprises a drainage connecting pipe and a water sealing device, wherein a water storage tank is arranged at the lower end of the water sealing device, a water outlet pipe is arranged on one side of the water sealing device, the water outlet pipe is horizontally arranged, the water outlet pipe is communicated with a drainage pipe, the upper end of the water sealing device is communicated with the drainage connecting pipe, the upper end of the drainage connecting pipe is connected with a water basin drainage outlet, an anti-siphon one-way valve seat is arranged on the water outlet pipe, a circular valve cavity used for being connected with an anti-siphon one-way valve is arranged inside the anti-siphon one-way valve seat, the lower end of the valve cavity is communicated with the water outlet pipe, the upper end of the valve cavity is communicated with the outside atmosphere, a valve cover is arranged at the upper end of the valve cavity, the valve cover.

The anti-siphon one-way valve core comprises: the valve core comprises a valve core shell, a valve core pressing piece, a compression spring and a sealing ring, wherein vent holes are formed in the upper part and the lower part of the valve core shell, the valve core pressing piece is arranged on a vent hole in the inner side of the upper end of the valve core, the valve core pressing piece is connected with the vent hole in the upper end in a sealing contact mode, and the compression spring used for elastically propping against the valve core pressing piece is arranged at the lower end.

The anti-siphon one-way valve core comprises: the valve core comprises a valve core shell, a valve core pressing piece, an extension spring and a sealing ring, wherein vent holes are formed in the upper part and the lower part of the valve core shell, the valve core pressing piece is arranged on a vent hole in the outer side of the lower end of the valve core, the valve core pressing piece is connected with the vent hole in the lower end in a sealing contact mode, and the extension spring used for elastically pulling the valve core pressing piece is arranged at the upper end of.

The lower end of the drainage connecting pipe is spliced with the water seal device and the connecting length of the drainage connecting pipe can be adjusted, and a sealing ring of the drainage connecting pipe is arranged at the joint of the drainage connecting pipe and the water seal device.

The utility model discloses a contribution lies in providing a basin drain spare that prevents waste gas outflow in the drain pipe, owing to set up anti-siphon check valve device, when the negative pressure in the water drainage pipe is enough big, the case preforming of check valve is opened downwards and is made the water in the water storage tank not siphoned away, the water of water seal is siphoned away in effectively having prevented the water storage tank, the hydroenergy of aquatic effectively plays the effect of water seal in making the water storage tank, waste gas just can not flow backwards the room, the propagation of foul smell refluence and germ has been avoided, more be favorable to people's healthy.

Drawings

Fig. 1 is a schematic perspective view of one embodiment of the present invention.

Fig. 2 is an exploded perspective view of the main components of fig. 1.

Fig. 3 is a schematic view of the internal structure of the water seal device.

Fig. 4 is a schematic perspective view of an anti-siphon check valve core according to one embodiment of the present invention.

Fig. 5 is a perspective view of the bottom view of fig. 4.

Fig. 6 is an exploded perspective view of the main components of fig. 4.

Fig. 7 is a schematic view of the internal structure of fig. 4.

Fig. 8 is a schematic perspective view of an anti-siphon check valve cartridge according to another embodiment of the present invention.

Fig. 9 is an exploded perspective view of the main components of fig. 8.

Fig. 10 is a schematic view of the internal structure of fig. 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to fig. 3, the present invention includes: the drainage connecting pipe 1 and the water sealing device 2, the lower end of the water sealing device is provided with a water storage tank 22, the water storage tank water sealing principle is shown in figure 3, and the water flow direction is shown in the arrow direction. The water storage tank is used for sealing water, and the upper end of the water storage tank is in threaded connection with the water seal device, so that the water storage tank is convenient to disassemble and clean. One side of water seal arrangement is equipped with outlet pipe 21, and the outlet pipe level is to setting up, and the outlet pipe passes through pipe connection 211 and drainage pipe intercommunication, and water seal arrangement's upper end and the 1 intercommunication of drainage connecting pipe of vertical setting, and drainage connecting pipe's upper end is passed through drainage connecting pipe threaded connection spare 11 and is connected with the basin outlet, outlet pipe 21 on be equipped with anti-siphon one-way disk seat 3, anti-siphon one-way disk seat moulds plastics as an organic wholely with water seal arrangement, the inside circular valve pocket that is used for connecting anti-siphon check valve that is equipped with of anti-siphon one-way disk seat, the lower extreme and the outlet pipe intercommunication of valve pocket, the upper end and the outside atmosphere intercommunication of valve pocket, the upper end accessible pipeline and the. The large pipe has large space and is not easy to generate negative pressure, so that the anti-siphon one-way valve can provide reduced pressure gas. The upper end of the valve cavity is provided with a valve cover 31, the valve cover is in threaded connection with the anti-siphon one-way valve seat to play a role in fixing the valve core, and meanwhile, the valve cover can be connected with a pipeline. An anti-siphon one-way valve core 32 is arranged in the valve cavity, the anti-siphon one-way valve core is vertically arranged, and when the water outlet pipe generates negative pressure in the drainage process, a valve core pressing sheet of the one-way valve with the negative pressure larger than 0.001MPa is opened to prevent water in the water storage tank from being sucked away.

As shown in fig. 4 to 7, the anti-siphon check valve core includes: the valve core comprises a valve core shell 321, a valve core pressing sheet 322, a compression spring 323 and a sealing ring 324, wherein the valve core pressing sheet is provided with a vertical pressing sheet guide rod 325, the valve core shell is provided with an upper vent hole 327 and a lower vent hole 328, the valve core pressing sheet is arranged on the upper vent hole on the inner side of the upper end of the valve core and is in sealing contact connection with the upper vent hole, and the lower end of the valve core pressing sheet is provided with the compression spring for elastically propping against the valve core pressing sheet. The direction of the arrow in fig. 7 is the direction of the air inlet opening of the valve core wafer.

As shown in fig. 8 to 10, which are schematic views of a check valve core according to another embodiment, the anti-siphon check valve core 32 includes: the valve core comprises a valve core shell 321, a valve core pressing piece 322, an extension spring 326 and a sealing ring 324, wherein vent holes are formed in the upper part and the lower part of the valve core shell, the valve core pressing piece is arranged on a vent hole in the outer side of the lower end of the valve core, the valve core pressing piece is connected with the vent hole in the lower end in a sealing contact mode, and the extension spring 326 used for elastically pulling the valve core pressing piece is arranged at the upper end of. The lower end of the extension spring is connected with a connecting column 325 of the valve core pressing sheet, the upper end of the connecting column is fixedly connected with a guide sliding block 3251, the upper end of the extension spring is connected with an upper end cover 3211 of the valve core shell, when the valve core pressing sheet 322 moves downwards and is opened, the outer edge of the guide sliding block slides along the edge of the inner cavity of the valve core shell, and therefore the valve core pressing sheet slides more stably when being opened. The direction of the arrow in fig. 10 is the direction of the air inlet opening of the valve core wafer.

The check valve only lists two single valves and valve cores, but is not limited to the two single valves, and other single valves on the market can be used in the check valve, such as the check valve using a ball as the valve core, wherein the ball is arranged at the upper end of the circular opening of the valve core, the opening of the valve core is sealed by the gravity of the ball, but the valve seat is arranged at the lower end of the pipe of the water outlet pipe 21, so that the opening of the valve core can be sealed only when the gravity of the ball is downward, and the principle of the check valve using a cone as the valve core is the same as that of the ball valve core. The utility model discloses a drainage connecting pipe 1's lower extreme and water seal arrangement peg graft and adjustable drainage connecting pipe's connection length, are convenient for like this according to the nimble length of adjusting the drainage connecting pipe of the height of basin installation, and the drainage connecting pipe is equipped with drainage connecting pipe sealing washer 13 with water seal arrangement's junction, and the drainage connecting pipe sealing washer outside is equipped with drainage connecting pipe threaded connection spare two, through drainage connecting pipe threaded connection spare two 12 and water seal arrangement upper end sealing connection.

Claims

1. A sink drain that prevents the egress of exhaust gas in a drain pipe, comprising: drainage connecting pipe (1), water seal arrangement (2), water seal arrangement lower extreme are equipped with water storage tank (22), and one side of water seal arrangement is equipped with outlet pipe (21), and the outlet pipe level is to setting up, outlet pipe and drainage pipe intercommunication, water seal arrangement's upper end and drainage connecting pipe (1) intercommunication, the upper end and the basin water outlet connection of drainage connecting pipe, its characterized in that: the anti-siphon water storage tank is characterized in that an anti-siphon one-way valve seat (3) is arranged on the water outlet pipe (21), a circular valve cavity used for being connected with an anti-siphon one-way valve is arranged inside the anti-siphon one-way valve seat, the lower end of the valve cavity is communicated with the water outlet pipe, the upper end of the valve cavity is communicated with the outside atmosphere, a valve cover (31) is arranged at the upper end of the valve cavity, the valve cover is in threaded connection with the anti-siphon one-way valve seat, an anti-siphon one-way valve core (32) is arranged in the valve cavity, the anti-siphon one-way valve core is.

2. A sink drain for preventing the flow of exhaust gas in a drain pipe according to claim 1, wherein: the anti-siphon one-way valve core comprises: the valve core comprises a valve core shell (321), a valve core pressing piece (322), a compression spring (323) and a sealing ring (324), wherein vent holes are formed in the upper part and the lower part of the valve core shell, the valve core pressing piece is arranged on the vent hole in the inner side of the upper end of the valve core, the valve core pressing piece is in sealing contact connection with the vent hole in the upper end, and the compression spring used for elastically propping against the valve core pressing piece is arranged at the lower end of.

3. A sink drain for preventing the flow of exhaust gas in a drain pipe according to claim 1, wherein: the anti-siphon one-way valve core (32) comprises: the valve core comprises a valve core shell (321), a valve core pressing piece (322), an extension spring (326) and a sealing ring (324), wherein vent holes are formed in the upper part and the lower part of the valve core shell, the valve core pressing piece is arranged on the vent hole in the outer side of the lower end of the valve core, the valve core pressing piece is in sealing contact connection with the vent hole in the lower end, and the extension spring (326) used for elastically pulling the valve core pressing piece is arranged at the upper end of.

4. A sink drain for preventing the flow of exhaust gas in a drain pipe according to claim 1, wherein: the lower end of the drainage connecting pipe (1) is spliced with the water seal device and the connecting length of the drainage connecting pipe can be adjusted, and a sealing ring (13) of the drainage connecting pipe is arranged at the joint of the drainage connecting pipe and the water seal device.