CN116815874B

CN116815874B - Concealed front-mounted filtering automatic discharging device

Info

Publication number: CN116815874B
Application number: CN202310964090.5A
Authority: CN
Inventors: 陈民峰
Original assignee: Ningbo Dongxia Electric Appliance Co ltd
Current assignee: Ningbo Dongxia Electric Appliance Co ltd
Priority date: 2023-08-02
Filing date: 2023-08-02
Publication date: 2025-09-19
Anticipated expiration: 2043-08-02
Also published as: CN116815874A

Abstract

The present invention discloses a concealed pre-filter automatic discharge device, which relates to the field of filtration and water purification, comprising a sealing cylinder for placing a filter element, a pre-filter chamber formed between the upper portion of the filter element and the inner wall of the sealing cylinder, a top cover installed on the top of the sealing cylinder to seal the pre-filter chamber; a discharge port opened on the outer wall of the water inlet pipe; a three-pronged inner tube and a three-pronged outer tube, one end of the three-pronged outer tube passing through the sealing cylinder and connected to the water inlet pipe, the other two ends of the three-pronged outer tube both being equipped with a pre-filter screen and extending into the pre-filter chamber; a drainage suction pipe correspondingly arranged in each pre-filter screen, the two drainage suction pipes correspondingly connected to the two ports of the three-pronged inner tube, the third port of the three-pronged inner tube being connected to the discharge port through a drainage channel; and a purified water outlet pipe connected to the water outlet. The present invention sets a pre-filter chamber above the filter element, which can be placed in a concealed manner, effectively filtering sand, gravel, rust, etc., extending the service life of the filter element, and not occupying external space.

Description

Concealed front-mounted filtering automatic discharging device

Technical Field

The invention relates to the field of filtering and purifying water, in particular to a hidden type prepositive filtering automatic discharging device.

Background

Before tap water reaches a water terminal through a water supply network, a plurality of pipelines are provided, and impurities such as a plurality of silt, rust, suspended matters and the like exist in the pipelines, if no filtering treatment is performed, secondary pollution of the tap water can be caused.

The pre-filter is used as a first filtering device of a water terminal, and can filter the sediment, rust, ova, red worms and other large-particle substances in tap water. Therefore, the prior waterway system mostly adopts a pre-filter to filter water at the source before entering the water terminal, so that the secondary pollution can be effectively eliminated, the water pollution disease is reduced, the solid impurities can be removed, the waterway system is protected, and the system maintenance cost is reduced.

However, products sold in the market at present, such as a household pre-filtration filter and a household full-house pre-filtration filter, are mostly external filter devices, occupy extra space during installation, influence the overall aesthetic property, and have the filtering effect of only removing coarse sand and stone particles and other rust particles in water, and have no secondary filtering function, so that microorganisms, residual chlorine, other bacteria, heavy metals and the like in the water cannot be effectively removed.

These prefilters have a simple filtering function, and most of the garbage (filter residues) and the like generated by filtration are discharged at regular time by manpower, so that the condition of forgetting to discharge is easy to occur, and the filter residues remain in the filter for a certain time, which affects the service life of the filter and deteriorates the quality of filtered water. With the improvement of the current domestic conditions, the quality requirement on water is higher and higher, the living area of the urban commodity house is compact, and a plurality of filter devices with different functions are not installed in more than space. Accordingly, there is a need for improvements over existing pre-filters.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, provides a hidden type front-mounted filtering automatic discharging device, has a multi-stage filtering effect (function), does not need a power supply, has large flow rate, can meet the water demand of a household whole house, is simple to install, does not occupy large space, does not need to manually operate and discharge waste water and coarse filter residues at regular time, effectively prolongs the service life of a filter, provides high-quality water quality, and solves the problems that various parts of the existing water purifier are exposed, the occupied space is large and the appearance is poor, and adopts a hidden type and closed type design, and water inlet and outlet are filtering devices of the same pipeline.

The invention aims at solving the technical scheme that the hidden pre-filtering automatic discharging device comprises

The sealing cylinder is used for placing the filter element, a front filter cavity is formed between the upper part of the filter element and the inner wall of the sealing cylinder and used for placing the three-fork bracket, and a top cover is arranged at the top of the sealing cylinder to seal the front filter cavity;

the water inlet pipe is connected to the outer wall of the sealing cylinder body, and a discharge port is formed in the outer wall of the water inlet pipe;

The three-fork support comprises three-fork inner pipes and three-fork outer pipes sleeved outside the three-fork inner pipes, wherein one end of each three-fork outer pipe passes through the sealing cylinder and is connected with the water inlet pipe, the other two ends of each three-fork outer pipe are respectively provided with a front filter screen and extend into the front filter cavity for outputting front filtered water and further filtering the front filtered water by the filter element, each front filter screen is internally provided with a drainage suction pipe correspondingly, the two drainage suction pipes are correspondingly connected with two ports of each three-fork inner pipe, the third port of each three-fork inner pipe is connected to the discharge port through a drainage channel, so that front filtered wastewater is discharged, the drainage channel is arranged in the water inlet pipe and is not communicated with the inner cavity of the water inlet pipe, and

The water purifying outlet pipe is connected to the outer wall of the sealing cylinder body, is communicated with a water outlet arranged in the center of the filter element through a water outlet channel and is used for outputting purified water outwards.

As a further technical scheme, form the passageway that intakes between the outer wall of inlet tube and drainage channel, and the passageway that intakes communicates with the trident outer tube.

As a further technical scheme, the front end of the front filter screen is provided with an umbrella-shaped head, so that filter residues formed by front filter can be conveniently contained.

As a further technical scheme, one end of the drainage suction pipe, which is close to the umbrella-shaped head, is provided with a horn-shaped opening for guiding the filter residues.

As a further technical scheme, the discharge port is externally connected with an automatic discharge valve for automatically and regularly opening the discharge port.

As a further technical scheme, the filter element adopts a single filter element or a composite filter element.

The beneficial effects of the invention are as follows:

1. The front filter cavity is arranged above the filter element, so that the front filter cavity can be hidden, sand, rust and the like can be effectively filtered, the service life of the filter element is prolonged, the filter element does not occupy external space, and the filter element is more attractive;

2. The preposed filter and the filter element are integrated in the sealing cylinder, so that the cost is lower compared with that of a single external filter device, and the original functions of the filter are not affected;

3. The water inlet pipe has the function of a wastewater discharge pipe and is divided into two paths of water inlet and water discharge, an external water source realizes water inlet along a water inlet channel on the inner wall of the water inlet pipe, and wastewater is discharged from the water discharge channel and a discharge port, so that the sealing safety is better, the integration level is high, and the occupied space is smaller;

4. the discharge port is externally connected with an automatic discharge valve, the time interval of automatic timing discharge can be set according to the water consumption, the operation is simple, and the use environment is not limited by power supply.

Drawings

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

Fig. 2 is a schematic top view of fig. 1.

Fig. 3 is a sectional view of G-G of fig. 2.

Fig. 4 is a cross-sectional view of F-F of fig. 3.

Fig. 5 is a schematic perspective view of the hidden top cover of the present invention.

Figure 6 is a schematic view of the flow of water into and out of the present invention.

The reference numerals indicate that a water inlet pipe 1, a water inlet channel 11, a three-fork support 2, a three-fork outer pipe 21, a three-fork inner pipe 22, a front filter screen 3, an umbrella-shaped head 31, a water discharge suction pipe 4, a horn-shaped mouth 41, a water discharge channel 42, a sealing cylinder 5, a front filter cavity 51, a filter element 6, a water outlet 61, a purified water outlet pipe 7, a water outlet channel 71, a top cover 8 and a discharge port 9.

Detailed Description

The invention will be described in detail below with reference to the attached drawings:

The embodiment is shown in the accompanying drawings 1-6, the hidden type pre-filtering automatic discharging device comprises a water inlet pipe 1, a water inlet channel 11, a three-fork support 2, a three-fork outer pipe 21, a three-fork inner pipe 22, a pre-filtering net 3, an umbrella-shaped head 31, a water discharging suction pipe 4, a horn-shaped opening 41, a water discharging channel 42, a sealing cylinder 5, a pre-filtering cavity 51, a filter element 6, a water outlet 61, a purified water outlet pipe 7, a water outlet channel 71, a top cover 8 and a discharging opening 9.

With reference to fig. 3, it should be noted that the filter element 6 is mounted in the sealed cylinder 5 (not under the water outlet 61), and the filter element 6 is hidden in fig. 3 because the filter element 6 adopts an alternative structure, preferably a single filter element or a composite filter element, which is selected according to the needs of the customer. As shown in fig. 4 and 5, a filter element 6 is arranged in the sealing cylinder 5, a front filter cavity 51 (capable of carrying out preliminary filtration on water entering the filter element 6) is formed between the upper side of the filter element 6 and the inner wall of the sealing cylinder 5, a three-fork support 2 is arranged in the front filter cavity 51, and a top cover 8 is arranged at the top of the sealing cylinder 5 to ensure the sealing of the front filter cavity 51, as shown in fig. 1 and 2.

Further, as shown in fig. 3, the water inlet pipe 1 is detachably connected to the (right side) outer wall of the sealing cylinder 5, and a discharge port 9 is formed in the outer wall of the water inlet pipe 1.

Referring to fig. 4, the three-fork support 2 includes a three-fork inner tube 22 and a three-fork outer tube 21 (forming a three-fork structure of inner and outer two layers) sleeved outside the three-fork inner tube 22, wherein one end (right end) of the three-fork outer tube 21 passes through the sealing cylinder 5 and then is communicated with the water inlet tube 1, two front filter screens 3 are respectively arranged at two end parts on the left side of the three-fork outer tube 21, the two front filter screens 3 extend into the front filter chamber 51, water flowing in from the water inlet tube 1 is primarily filtered by the front filter screens 3 to generate front filter water, and the front filter water is discharged into the front filter chamber 51 and is further filtered by the filter element 6. Further, a drainage suction pipe 4 is correspondingly arranged in each pre-filter screen 3, two ports of the total two drainage suction pipes 4 are correspondingly connected with the left side of the three-fork inner pipe 22, and a third port positioned on the right side of the three-fork inner pipe 22 is connected to the discharge port 9 through a drainage channel 42, so that pre-filter wastewater (filter residues generated by preliminary filtration are contained) is discharged, and the drainage channel 42 is arranged in the water inlet pipe 1 and is not communicated with the inner cavity of the water inlet pipe 1. The water purifying outlet pipe 7 is connected to the outer wall of the left side of the sealed cylinder 5, and the water purifying outlet pipe 7 is communicated with the water outlet 61 arranged in the center of the filter element 6 through the water outlet channel 71, so that purified water is output outwards.

Further, a water inlet passage 11 (surrounding the inner wall of the water inlet pipe 1) is formed between the inner wall of the water inlet pipe 1 and the outer wall of the water discharge passage 42, and the water inlet passage 11 communicates with the three-fork outer pipe 21, and the three-fork inner pipe 22 communicates with the water discharge passage 42.

Preferably, an umbrella-shaped head 31 is arranged at the front end of the pre-filtering net 3, and filter residues formed by pre-filtering are conveniently contained in the umbrella-shaped head 31. The end of the drainage straw 4 near the umbrella-shaped head 31 is provided with a horn-shaped mouth 41, the filter residue is convenient to guide and drain, and the filter residue is promoted to drain. Preferably, the automatic discharge valve is externally connected with the discharge port 9, and the time interval of each automatic timing discharge can be set according to the water consumption of a user, so that the discharge port 9 is automatically and regularly opened, the automatic discharge valve is provided with a self-service power supply, no external power supply is needed, the automatic discharge valve is beneficial to being used at any position under the condition of water supply, and discharged wastewater is directly connected with a water falling pipeline under a cabinet.

In the working process of the invention, as shown in fig. 6, external water enters the device from the water inlet pipe 1, flows along the annular water inlet channel 11 between the inner wall of the water inlet pipe 1 and the outer wall of the water outlet channel 42, then enters the three-fork outer pipe 21, preliminary filtration is realized through the front filter screen 3 at the front end of the three-fork outer pipe 21, front filter water is generated, the front filter water is discharged into the front filter cavity 51, under the pressure of the external water, the front filter water permeates into the filter element 6, the filter element 6 further filters the water to generate purified water, the purified water flows out from the water outlet 61 at the top of the filter element 6, and the purified water is output to the user side from the purified water outlet pipe 7 through the water outlet channel 71. When the external automatic discharge valve is opened, filter residues (coarse garbage, sediment and other impurities) deposited between the front filter screen 3 and the drainage suction pipe 4 are flushed into the trumpet-shaped opening 41 under the action of water supply pressure, enter the three-fork inner pipe 22 along the drainage suction pipe 4, and finally are discharged outwards from the discharge port 9 along the drainage channel 42, so that automatic pollution discharge is realized.

It should be understood that equivalents and modifications to the technical scheme and the inventive concept of the present invention should fall within the scope of the claims appended hereto.

Claims

1. A hidden pre-filter automatic discharge device, characterized by:

The sealing cylinder (5) is used to place the filter element (6), and a pre-filter cavity (51) is formed between the upper portion of the filter element (6) and the inner wall of the sealing cylinder (5), and is used to place the three-pronged bracket (2). A top cover (8) is installed on the top of the sealing cylinder (5) to seal the pre-filter cavity (51);

A water inlet pipe (1) is connected to the outer wall of the sealing cylinder (5), and a discharge port (9) is provided on the outer wall of the water inlet pipe (1);

The three-pronged bracket (2) comprises a three-pronged inner tube (22) and a three-pronged outer tube (21) sleeved outside the three-pronged inner tube (22); one end of the three-pronged outer tube (21) passes through the sealing cylinder (5) and is connected to the water inlet pipe (1); the other two ends of the three-pronged outer tube (21) are both equipped with a pre-filter (3) and extend into the pre-filter cavity (51) for outputting pre-filtered water for further filtration by the filter element (6); a drainage pipe (4) is correspondingly arranged in each pre-filter (3); the two drainage pipes (4) are correspondingly connected to two ports of the three-pronged inner tube (22); the third port of the three-pronged inner tube (22) is connected to the discharge port (9) through a drainage channel (42), thereby discharging pre-filtered waste water; the drainage channel (42) is arranged in the water inlet pipe (1) and is not communicated with the inner cavity of the water inlet pipe (1); and

The purified water outlet pipe (7) is connected to the outer wall of the sealing cylinder (5). The purified water outlet pipe (7) is communicated with the water outlet (61) provided in the center of the filter element (6) through the water outlet channel (71) for outputting purified water to the outside.

2. The hidden pre-filter automatic discharge device according to claim 1 is characterized in that a water inlet channel (11) is formed between the inner wall of the water inlet pipe (1) and the outer wall of the drainage channel (42), and the water inlet channel (11) is connected to the three-pronged outer pipe (21).

3. The hidden pre-filter automatic discharge device according to claim 1 is characterized in that an umbrella-shaped head (31) is provided at the front end of the pre-filter (3) to facilitate accommodating the filter residue formed by the pre-filtration.

4. The hidden pre-filter automatic discharge device according to claim 3 is characterized in that a trumpet-shaped opening (41) is provided at one end of the drainage suction pipe (4) close to the umbrella-shaped head (31) for guiding the filter residue.

5. The hidden pre-filter automatic discharge device according to claim 1, characterized in that the discharge port (9) is externally connected to an automatic discharge valve for automatically and regularly opening the discharge port (9).

6. The hidden pre-filter automatic discharge device according to any one of claims 1 to 5, characterized in that the filter element (6) is a single filter element or a composite filter element.