CN212941727U

CN212941727U - Water inlet filter screen pollution discharge structure and shower

Info

Publication number: CN212941727U
Application number: CN202020434654.6U
Authority: CN
Inventors: 林孝发; 林孝山; 邓小清; 余开石
Original assignee: Fujian Xihe Sanitary Ware Technology Co Ltd
Current assignee: Fujian Xihe Sanitary Ware Technology Co Ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2021-04-13
Anticipated expiration: 2030-03-30

Abstract

The utility model discloses a water inlet filter screen blowdown structure and a shower, wherein the water inlet filter screen blowdown structure mainly comprises a shell, a filter screen, a water outlet valve and a switching component, a first cavity and a second cavity are arranged in the shell, and the switching component switches the communication between a water inlet path and the first cavity or the second cavity through axial movement in the shell, so that the backflushing blowdown operation of the filter screen is realized through the switching of the water path; through simple press drive to the switching module, can realize the recoil decontamination of filter screen, need not to dismantle the processing to leading structure, whole blowdown simple structure, convenient to use, blowdown efficiency is higher.

Description

Water inlet filter screen pollution discharge structure and shower

Technical Field

The utility model relates to a shower technical field, concretely relates to filter screen blowdown structure and shower of intaking.

Background

The existing shower avoids the situation that impurities and dirt in tap water enter the shower to cause valve core blockage, a filter screen is usually installed at a water inlet end, water is filtered through the filter screen, and then the water is conveyed to main valve cores such as a water mixing valve. After a period of time of use, the filter screen at the water inlet end can be blocked due to the attachment of impurities, so that the problem that the water outlet flow speed is slowed down is caused, and the filter screen needs to be cleaned or replaced at the moment. Because the filter screen is installed inside leading, its dismantlement is comparatively complicated difficult, need close the running water master switch when demolising simultaneously, and the power consumption consuming time on the whole is lower, and efficiency is lower, and some leading product integration degree is higher simultaneously, and the filter screen is difficult to dismantle, needs the professional to handle, and the cost of clearance or change is higher.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the above-mentioned defect or problem that exist among the background art, provide a filter screen blowdown structure and shower of intaking to realize the recoil blowdown of filter screen of intaking.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a sewage discharge structure of a water inlet filter screen comprises a shell and the filter screen arranged in the shell;

the device also comprises a water outlet valve and a switching component;

the shell is provided with a water inlet channel, a water outlet channel, a sewage discharge channel, a first cavity and a second cavity;

the first cavity is communicated with the outside of the filter screen, and the second cavity is communicated with the inside of the filter screen and the water outlet path;

the water outlet valve is used for controlling the on-off of the water outlet channel;

the switching component switches the communication between the water inlet channel and the first cavity or the second cavity through axial movement in the shell, closes the sewage discharge channel when the water inlet channel is communicated with the first cavity, and opens the sewage discharge channel when the water inlet channel is communicated with the second cavity.

Furthermore, the shell is also provided with a switching chamber which is independently communicated with the first chamber and the second chamber and correspondingly communicated with the water inlet passage; the sewage discharge waterway is arranged in the switching chamber; the switching assembly switches the communication between the water inlet channel and the first cavity or the second cavity through axial movement in the switching cavity, closes the sewage discharge channel when the water inlet channel is communicated with the first cavity, and opens the sewage discharge channel when the water inlet channel is communicated with the second cavity.

Further, the switching chamber comprises a first switching chamber, a second switching chamber and a blowdown chamber which are isolated from each other; the first switching chamber is used for communicating the water inlet channel with the first chamber; the second switching chamber is used for communicating the water inlet channel with the second chamber; the sewage discharge chamber is used for arranging a sewage discharge waterway; the switching assembly penetrates through the first switching chamber, the second switching chamber and the blowdown chamber.

Furthermore, the switching assembly comprises a switching rod piece and a plurality of sealing pieces sleeved on the switching rod piece; the switching rod piece is pressed and driven to move axially in the switching chamber, and the on-off of the first chamber, the second chamber and the water inlet channel and the on-off of the sewage discharge channel are controlled through the sealing piece.

Furthermore, a sewage discharge pipeline is arranged in the switching rod piece, and a sewage discharge pipeline inlet, namely a sewage discharge pipeline outlet, is correspondingly arranged; the inlet of the sewage discharge pipeline is communicated with the sewage discharge chamber, and the outlet of the sewage discharge pipeline is communicated with the outside.

Furthermore, the switching assembly also comprises an elastic piece; the two ends of the elastic piece respectively prop against the shell and the switching rod piece, and the elastic piece is used for keeping the water inlet channel communicated with the first cavity when the switching rod piece is not pressed and driven.

Furthermore, the device also comprises a first end cover and a second end cover which are respectively and detachably and fixedly connected with the shell; one end of the elastic piece is propped against the first end cover; the second end cover is abutted against the other end of the switching rod piece far away from the elastic piece.

Furthermore, the utility model also provides a shower, including the main part, the main part install such as above-mentioned arbitrary one intake filter screen blowdown structure.

Furthermore, the main body is provided with a sewage discharge operation port, and the end part of the switching rod piece used for pressing corresponds to the sewage discharge operation port.

As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following advantages:

1. the switching assembly moves axially in the shell to realize the communication between the water inlet channel and the first chamber or the second chamber; when the water inlet channel is communicated with the first cavity, the sewage draining waterway is closed, the water outlet channel is opened, and water flows to the water outlet channel through the water inlet channel, the first cavity, the filter screen and the second cavity; when the water inlet channel is communicated with the second chamber, the sewage draining waterway is opened, the water outlet channel is closed, and water flows to the sewage draining waterway through the water inlet channel, the second chamber, the filter screen and the first chamber; the first waterway is a waterway during normal use, and the second waterway is a waterway for backflushing the filter screen; through simple press drive to the switching module, can realize the recoil decontamination of filter screen, need not to dismantle the processing to the tap, whole blowdown simple structure, convenient to use, blowdown efficiency is higher.

2. The switching assembly moves axially in the switching chamber, the switching chamber is independently communicated with the first chamber and the second chamber, the first chamber and the second chamber are separated, and therefore the switching assembly can respectively control the communication of the first chamber, the second chamber and the water inlet channel through movement.

3. The switching assembly comprises a switching rod piece and a sealing piece, the switching rod piece is used for being pressed and driven by a user, and the sealing piece is used for realizing the on-off of the water inlet channel, the first cavity and the second cavity and the on-off of the sewage discharge channel.

4. Set up the blowdown pipeline in switching the member, sewage behind the recoil filter screen gets into the blowdown cavity in the switching cavity after, reentrant blowdown pipeline to through blowdown pipeline outflow to outside, reduce the complexity of blowdown structure, reduce manufacturing cost and cost of maintenance.

5. The elastic piece is arranged and used for abutting against the switching rod piece, so that the switching rod piece is kept in a state of communicating the water inlet channel with the first cavity under the normal condition, and the switching rod piece is switched to a sewage discharge state only through manual control when needed.

6. The shower is provided with a pollution discharge operation port which corresponds to the end part position of the switching rod piece used for pressing, and the shower can penetrate through the pollution discharge operation port to press the switching rod piece to perform backflushing pollution discharge operation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of an embodiment of a sewage discharging structure of a water inlet filter screen provided by the present invention;

FIG. 2 is a schematic view of the embodiment shown in FIG. 1 during normal water discharge;

FIG. 3 is a schematic view of the embodiment of FIG. 1 during a backflush drain;

fig. 4 is a schematic structural view of an embodiment of a shower provided by the present invention.

Description of the main reference numerals:

11. a main housing; 12. a water inlet pipe; 121. a water inlet path; 13. a water outlet pipe; 131. a water outlet path; 14. a first end cap; 15. An elastic member; 16. a second end cap; 20. a filter screen; 30. a sewage draining pipeline; 31. switching the rod pieces; 311. a blowdown line inlet; 312. an outlet of the sewage pipeline; 32. a first seal ring; 33. a second seal ring; 34. a button; 401. a first switching chamber; 402. a second switching chamber; 41. a first switching water inlet; 42. a second switching water inlet; 43. a first switching water outlet; 44. a second switching water outlet; 45. a third switching water outlet; 50. a first chamber; 51. a first water inlet; 52. a sewage draining outlet; 60. a second chamber; 61. a second water inlet; 62. a water outlet; 70. a main body; 71. a sewage discharge operation port.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are preferred embodiments of the invention and should not be considered as excluding other embodiments. Based on the embodiment of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention.

In the claims, the specification and the drawings, unless otherwise expressly limited, the terms "first," "second," or "third," etc. are used for distinguishing between different elements and not for describing a particular sequence.

In the claims, the specification and the drawings, unless otherwise expressly limited, all directional or positional relationships, such as those using the terms "center," "lateral," "longitudinal," "horizontal," "vertical," "top," "bottom," "inner," "outer," "upper," "lower," "front," "rear," "left," "right," "clockwise," "counterclockwise," and the like, are based on the directional or positional relationships illustrated in the drawings and are for the purpose of convenience in describing the invention and simplifying the description, but do not indicate or imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore are not to be construed as limiting the scope of the invention.

In the claims, the description and the drawings of the present application, unless otherwise expressly limited, the term "fixedly connected" or "fixedly connected" is used, which is to be understood broadly, that is, any connection mode without displacement relation or relative rotation relation between the two, that is, including non-detachably fixed connection, integrated connection and fixed connection through other devices or elements.

In the claims, the specification and the drawings, the terms "including", "comprising" and variations thereof, if used, are intended to be inclusive and not limiting.

Referring to fig. 1, fig. 1 shows a schematic structural diagram of an embodiment of a sewage discharging structure of a water inlet filter screen provided by the present invention, and referring to fig. 2 and fig. 3, schematic diagrams of the embodiment in normal water outlet and backflushing sewage discharging states are provided, respectively.

In this embodiment, the housing, filter screen 20, outlet valve, switching assembly, first end cap 14, and second end cap 16 are included.

The shell comprises a main shell body 11, a water inlet pipe 12 and a water outlet pipe 13, wherein the water inlet pipe 12 and the water outlet pipe 13 are fixedly connected with the main shell body 11 in a sealing mode. The water outlet pipe 13 is provided with a water outlet valve which is used for controlling the on-off of the water outlet pipe 13. A first chamber 50, a second chamber 60 and a switching chamber are provided in the main housing 11, an intake waterway is formed in the intake pipe 12, an outlet waterway is formed in the outlet pipe 13, and a sewage drainage waterway is formed in the switching chamber. The water inlet path 121 communicates with the first chamber 50 and the second chamber 60 through the switching chamber, and can communicate with only one of the first chamber 50 or the second chamber 60 at a time.

The first chamber 50 is communicated with a sewage waterway for discharging sewage in the first chamber 50 when the sewage waterway is opened; the first chamber 50 is communicated with the switching chamber through a first water inlet 51 for accessing the inlet water; the first chamber 50 communicates with the outside of the filter net 20 for introducing water into the filter net 20.

The second chamber 60 is communicated with the switching chamber through a second water inlet 61 for accessing water; the second chamber is communicated with a water outlet path 131 through a water outlet 62 and used for draining water; the second chamber communicates with the interior of the filter screen 20 for receiving water filtered by the filter screen 20.

The switching chamber is generally a cylindrical structure for insertion and axial movement of the switching assembly therein. The switching chamber is divided into a first switching chamber 401, a second switching chamber 402 and a blowdown chamber, the first switching chamber 401 and the second switching chamber 402 are isolated from each other and are respectively communicated with the first chamber 50 and the second chamber 60, the water inlet path 121 is switched to be communicated with the first switching chamber 401 and the second switching chamber 402 through the switching assembly, and the first chamber 50 and the second chamber 60 are switched to be communicated.

On both sides of the first switching chamber 401, a first switching water inlet 41 and a first switching water outlet 43 are formed, respectively, the first switching water inlet 41 being for communication with the water inlet path 121, the first switching water outlet 43 being for communication with the first water inlet 51 of the first chamber 50.

On both sides of the second switching chamber 402, a second switching water inlet 42 and a second switching water outlet 44 are respectively formed, the second switching water inlet 42 being for communication with the water inlet path 121, and the second switching water outlet 44 being for communication with the second water inlet 61 of the second chamber 60.

The blowdown chamber is disposed above the switching chamber for forming a blowdown water path, and the first chamber 50 is in communication with the blowdown chamber through a blowdown port 52. The switching cavity forms the hole in the top position, and the tip of switching subassembly can stretch out the switching cavity, and when the tip of switching subassembly was located the switching cavity, the blowdown cavity was closed, and the blowdown water route was closed, and when the tip of switching subassembly left the switching cavity, the blowdown cavity was opened, and the blowdown water route was opened, and sewage enters into among the blowdown cavity by first cavity 50.

The main casing body 11 is provided with a through hole, the filter screen 20 is sleeved on the filter screen mounting sleeve and penetrates through the through hole, and extends into the first cavity 50 until one end of the filter screen 20 abuts against the cavity wall of the first cavity 50, and at the moment, the end of the filter screen mounting sleeve and the through hole on the main casing body 11 form a sealing and fixedly connected relation, so that the filter screen 20 is fixedly arranged in the first cavity 50.

The switch assembly comprises a switch lever 31, a first sealing ring 32, a second sealing ring 33, a button 34 and an elastic member 15. The switching lever 31 has a substantially cylindrical shape, and is hollow to form the soil discharge pipe 30, and has a soil discharge pipe inlet 311 at an upper portion thereof and a soil discharge pipe outlet 312 at a lower portion thereof. The waste line inlet 311 is in communication with the waste chamber and the waste line outlet 312 is in communication with the exterior. The third switching water outlet 45 corresponding to the sewage draining outlet and the sewage draining outlet of the first cavity 50 and the sewage draining inlet and outlet forms a passage for draining sewage in the embodiment.

The first sealing ring 32 is sleeved on the middle position of the switching rod member 31, when the switching rod member 31 axially moves to the first position (i.e. the downward position), the first sealing ring 32 blocks the second switching water inlet 42, and when the switching rod member 31 axially moves to the second position (i.e. the upward position), the first sealing ring 32 blocks the first switching water inlet 41.

The second sealing ring 33 is sleeved at the upper position of the switching rod piece 31, when the switching rod piece 31 axially moves to the first position, the second sealing ring 33 isolates the first chamber 50 from the sewage discharge chamber, when the switching rod piece 31 axially moves to the second position, the second sealing ring 33 leaves the sewage discharge chamber, the first chamber 50 is communicated with the sewage discharge chamber, and water in the first chamber 50 can enter the sewage discharge pipeline 30 through the sewage discharge pipeline inlet 311. In addition, a sealing ring is provided below the second sealing ring 33 to isolate the sewage chamber from the first switching chamber 401, which sealing ring allows sewage to flow only from the sewage line 30.

The elastic member 15 is disposed at a top end of the switch lever 31, and two ends of the elastic member respectively abut against the housing and the switch lever 31, so that the switch lever 31 keeps the water inlet path 121 communicating with the first chamber 50 when not being pressed and driven. Specifically, the main housing 11 is provided with two through holes disposed oppositely for the elastic member 15 and the switching lever 31 to be mounted, and the first end cap 14 and the second end cap 16 can be tightly and fixedly connected to the two through holes. When the switch rod 31 passes through the through hole and is inserted into the switch chamber, the switch rod 31 can be fixed by the second end cover 16, at this time, the elastic member 15 is placed at the top end position of the switch rod 31, and then the first end cover 14 abuts against the other end of the elastic member 15, so that the installation of the elastic member 15 and the switch rod 31 can be completed.

During assembly, firstly, the water inlet pipe 12 and the water outlet pipe 13 with the water outlet valve are fixedly connected into the main shell body 11 in a sealing mode, then the filter screen 20 is sleeved on the filter screen mounting sleeve and fixedly connected onto the main shell body 11 in a sealing mode, then the switching rod piece 31 sleeved with the sealing ring is inserted into the switching cavity and fixedly sealed through the second end cover 16, then the end portion of the switching rod piece 31 is placed with the elastic piece 15 and fixedly sealed through the first end cover 14, and finally the button 34 is fixedly mounted at the end portion position of the switching rod piece 31, so that the assembly of the sewage discharging structure of the water inlet filter screen can be.

When the water inlet valve is used, water enters the water inlet pipe 12, the switching rod piece 31 is in the first position under the action of the elastic piece 33 under the normal water outlet state, the second switching water inlet 42 is blocked, the water outlet valve is in the open state, water flows into the first switching chamber 401 from the water inlet path 121, then enters the first chamber 50, passes through the filter screen 20, enters the second chamber 60 and then flows out from the water outlet path 131; in a sewage discharge state, a button 34 at the end part of a switching rod 31 is pressed to enable the switching rod 31 to move from a first position to a second position, a first switching water inlet 41 is blocked, a water outlet valve is closed at the same time, water flows into a second switching chamber 402 from a water inlet path 121 and then enters a second chamber 60, the surface of a filter screen 20 is backflushed, formed sewage enters a first chamber 50, the communication between a sewage outlet 52 and a sewage discharge pipeline 30 is opened at the moment, the sewage flows out through the sewage discharge pipeline 30, after the sewage flows out completely, the button 34 is released, the switching rod 31 can reset to the first position, and normal water discharge can be recovered at the moment.

The utility model also provides a shower, its structure is shown in fig. 4, including main part 70, be equipped with the filter screen blowdown structure of intaking in the foretell embodiment on main part 70 facial make-up, its concrete installation fixed mode can be for being connected fixedly through outlet pipe 13 and shower outlet conduit, or through other fixed mode installations.

The main body 70 is provided with a sewage operation port 71, the position of the sewage operation port 71 corresponds to the end position (i.e. the button 34) for pressing of the switching rod 31 after the sewage discharging structure of the water inlet filter screen is mounted on the shower main body 70, and a user can extend fingers into the pressing button 34 from the sewage operation port 71, thereby completing the sewage discharging operation.

The utility model provides a pair of filter screen blowdown structure and shower of intaking realizes the switching in water route through pressing the switch over subassembly, and then realizes the recoil blowdown of filter screen, and overall structure is simple, blowdown convenient operation, and blowdown efficiency is higher.

The description of the above specification and examples is intended to illustrate the scope of the invention, but should not be construed as limiting the scope of the invention. Modifications, equivalents and other improvements which may be made to the embodiments of the invention or to some of the technical features thereof by a person of ordinary skill in the art through logical analysis, reasoning or limited experimentation in light of the above teachings of the invention or the above embodiments are intended to be included within the scope of the invention.

Claims

1. A sewage discharging structure of a water inlet filter screen comprises a shell and the filter screen arranged in the shell, and is characterized in that,

the device also comprises a water outlet valve and a switching component;

2. The structure of claim 1, wherein the housing further comprises a switching chamber, the switching chamber is independently communicated with the first chamber and the second chamber, and is correspondingly communicated with the water inlet path; the sewage discharge waterway is arranged in the switching chamber; the switching assembly switches the communication between the water inlet channel and the first cavity or the second cavity through axial movement in the switching cavity, closes the sewage discharge channel when the water inlet channel is communicated with the first cavity, and opens the sewage discharge channel when the water inlet channel is communicated with the second cavity.

3. The structure of claim 2, wherein the switching chamber comprises a first switching chamber, a second switching chamber and a sewage chamber isolated from each other; the first switching chamber is used for communicating the water inlet channel with the first chamber; the second switching chamber is used for communicating the water inlet channel with the second chamber; the sewage discharge chamber is used for arranging a sewage discharge waterway; the switching assembly penetrates through the first switching chamber, the second switching chamber and the blowdown chamber.

4. The structure of claim 3, wherein the switching assembly comprises a switching rod and a plurality of sealing members sleeved on the switching rod; the switching rod piece is pressed and driven to move axially in the switching chamber, and the on-off of the first chamber, the second chamber and the water inlet channel and the on-off of the sewage discharge channel are controlled through the sealing piece.

5. The structure of claim 4, wherein the switch member has a drain pipe and a drain pipe inlet; the inlet of the sewage discharge pipeline is communicated with the sewage discharge chamber, and the outlet of the sewage discharge pipeline is communicated with the outside.

6. The structure of claim 4, wherein the switch assembly further comprises an elastic member; the two ends of the elastic piece respectively prop against the shell and the switching rod piece, and the elastic piece is used for keeping the water inlet channel communicated with the first cavity when the switching rod piece is not pressed and driven.

7. The structure of claim 6, further comprising a first end cap and a second end cap detachably secured to the housing; one end of the elastic piece is propped against the first end cover; the second end cover is abutted against the other end of the switching rod piece far away from the elastic piece.

8. A shower comprising a body, wherein the body is provided with a sewerage system for an influent filter as claimed in any one of claims 4 to 7.

9. A shower as claimed in claim 8, wherein the body is provided with a waste operating opening, and the end of the switch lever for depression is located to correspond to the waste operating opening.