CN219722034U

CN219722034U - Pre-filter

Info

Publication number: CN219722034U
Application number: CN202321122464.0U
Authority: CN
Inventors: 黄松
Original assignee: Beckett Jayne Technology Beijing Co ltd
Current assignee: Beckett Jayne Technology Beijing Co ltd
Priority date: 2023-05-11
Filing date: 2023-05-11
Publication date: 2023-09-22
Anticipated expiration: 2033-05-11

Abstract

The utility model discloses a pre-filter, which comprises an outer shell, an end cover, a filter element and a water pump, wherein the end cover is connected with the outer shell and provided with a water inlet channel and a water outlet channel, the filter element is arranged in the outer shell, the water pump is arranged in the filter element, the submersible pump is fixedly connected with the end cover through a connecting seat, a waterway channel is arranged on the end cover corresponding to the water pump, and the waterway channel is communicated with the water outlet channel. According to the pre-filter, the water pump is arranged in the filter element, and the connecting seat is arranged, so that the connecting stability of the pre-filter is improved, the filter element can be further limited by the connecting seat, additional parts are not needed to be connected and fixed, the convenience of replacing the filter element is improved, and the service life of the pre-filter is prolonged; in addition, the water pump is arranged in the filter element, so that the noise of the whole device is effectively reduced.

Description

Pre-filter

Technical Field

The utility model belongs to the field of water purification, and particularly relates to a pre-filter.

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.

Currently, in practical applications, the pre-filter is generally installed in two ways:

1. in the concealed installation mode, the pre-filter is arranged at a concealed corner such as a kitchen. The installation mode has the advantages of saving living space and enabling the whole home decoration effect to be more attractive, but has the defect of inconvenient installation and operation.

2. In the open mounting mode, the pre-filter is arranged outside the wall body. The installation mode has the advantages of being convenient to install and operate, but has the defects of occupying living space and affecting the overall home decoration effect.

In the practical application process, the pre-filter can obviously find that the water flow is smaller when two water taps are opened at the same time because the water flow is low and the water flow is small when the pre-filter is installed. Therefore, the matched supercharging device is needed in the use of the pre-filter, the requirement on space is high no matter the above-mentioned open mounting or installation mode is adopted, and the supercharging device is additionally added, so that larger space is required to be occupied, and meanwhile, no matter the open mounting or installation mode is adopted, noise is brought to the surrounding environment due to the addition of the supercharging device.

Disclosure of Invention

The utility model aims to: the utility model aims to solve the technical problem of providing a pre-filter which is used for arranging a submersible pump in a filter element so as to realize that the using space is not limited additionally fundamentally and has low noise.

The technical scheme is as follows: the utility model relates to a pre-filter, which comprises an outer shell, an end cover, a filter element and a water pump, wherein the end cover is connected with the outer shell and provided with a water inlet channel and a water outlet channel, the filter element is arranged in the outer shell, the water pump is arranged in the filter element, the water pump is fixedly connected with the end cover through a connecting seat, a waterway channel is arranged on the end cover corresponding to a submersible pump, and the waterway channel is communicated with the water outlet channel.

Further, the water pump of the pre-filter is a submersible pump and comprises a motor positioned at the bottom end of the outer shell, a hollow pump shaft with one end connected with the motor and the other end penetrating through the top end of the end cover, and a pump shell sleeved outside the hollow pump shaft, wherein a plurality of groups of impellers are arranged on the hollow pump shaft.

Further, a water inlet seat positioned between the motor and the impeller is further arranged on the hollow pump shaft of the pre-filter, water inlet holes are arranged on the side wall of the water inlet seat, a bearing sleeved on the hollow pump shaft is connected and arranged at the center of the water inlet seat, and the bearing is fixedly arranged on the water inlet seat through an ear plate.

Further, a power line connected with the motor is arranged in the hollow pump shaft of the pre-filter, and the other end of the power line penetrates through the hollow pump shaft and is connected with a terminal arranged on the end cover.

Further, the connecting seat of the pre-filter is sleeved on the hollow pump shaft and comprises a cylinder body, the lower end and the upper end of the cylinder body are respectively provided with a connecting disc and a baffle in an extending mode, the upper end of the baffle is provided with a threaded end in an extending mode, and threaded connection with the end cover is achieved through the threaded end.

Further, a bearing sleeved on the hollow pump shaft is arranged at the center of the cylinder body of the pre-filter, and the bearing is fixedly arranged on the cylinder body through an ear plate.

Further, the connecting disc and the baffle of the pre-filter are fixedly connected through the lug plate positioned on the outer side wall of the cylinder body.

Further, a water stop ring is arranged at the joint of the top end of the hollow pump shaft of the pre-filter and the top end of the end cover.

Further, the filter element of the pre-filter is limited and supported by a supporting seat with a groove arranged in the bottom end of the outer shell, and the motor is located in the groove for limiting.

Further, a film is arranged on the inner side wall of the filter element of the pre-filter, a plurality of rows of holes are longitudinally formed in the film, and the rows of holes are sequentially arranged in the order of size.

The beneficial effects are that: compared with the prior art, the utility model has the advantages that: according to the pre-filter, the submersible pump is arranged in the filter element, and the connecting seat is arranged, so that the connecting stability of the pre-filter is improved, the filter element can be further limited by the connecting seat, additional parts are not needed to be connected and fixed, the convenience of replacing the filter element is improved, and the service life of the pre-filter is prolonged; in addition, the submersible pump is arranged in the filter element, so that the noise of the whole device is effectively reduced.

Drawings

FIG. 1 is a product diagram of a prefilter of the present utility model;

FIG. 2 is a schematic view of the internal structure of the prefilter of the present utility model;

FIG. 3 is a schematic view of the structure of the prefilter stop ring of the present utility model;

FIG. 4 is a front view of a prefilter intake housing of the present utility model;

fig. 5 is a schematic structural view of a pre-filter connection base according to the present utility model.

Detailed Description

The technical scheme of the utility model is further described in detail below with reference to the accompanying drawings.

As shown in fig. 1, the prefilter of the present utility model comprises an outer casing 1 and an end cover 4 arranged at the upper end of the outer casing 1 and connected and fixed with the outer casing, wherein a water inlet channel 2 and a water outlet channel 3 are arranged on the end cover 4, a filter element 5 and a water pump 6 positioned in the filter element 5 are arranged in the outer casing 1, and the water pump is preferably a submersible pump 6. The water inlet channel 2 of the end cover 4 is communicated with the outer side of the filter element 5, so that a water source enters the outer side of the filter element 5 through the water inlet channel 2, the filter element 5 filters, and filtered purified water flows out of the water outlet channel 3.

The filter element 5 adopted in the outer casing 1 may be PP cotton or a single or composite filter element known in the art according to actual needs, and the material and structure adopted in the utility model are not limited and are known in the art. Be equipped with immersible pump 6 in the filter core 5, the water route passageway 8 has been seted up to the top position department that corresponds immersible pump 6 on the end cover 4, and this water route passageway 8 is connected with water outlet channel 3, and then draws the purified water to in the water outlet channel 3 through this immersible pump 6, as shown in fig. 2.

As shown in fig. 2, the submersible pump 6 includes a motor 9, and a pump shaft 10 connected to the motor 9, where the pump shaft 10 is of a hollow structure, and further can be used to accommodate a power cord connected to the motor 9, and the other end of the hollow pump shaft 10 extends through the end cover 4, so that the power cord in the hollow pump shaft 10 is connected to a power source, and provides power for the motor 9. The power line penetrating through the end cover 4 is directly connected with the terminal 17, and the water stop ring 22 is arranged at the connecting part of the hollow pump shaft 10 penetrating through the end cover 4, so that the tightness of the whole prefilter is improved, as shown in figure 3. The hollow pump shaft 10 is sequentially provided with a water inlet seat 13 and a plurality of groups of impellers 12 from bottom to top, and the number of the impellers 12 can be flexibly selected according to the size of the prefilter. The water inlet seat 13 is arranged between the motor 9 and the impeller 12, as shown in fig. 4, the water inlet seat comprises a cylinder 20, connecting discs 18 are arranged at the upper end and the lower end of the cylinder 20 in an extending mode, the two connecting discs 18 are respectively connected with the motor 9 and the impeller 12 and are fixedly connected through an ear plate 16, water inlet holes 14 are arranged on the side wall of the cylinder 20, a bearing 15 sleeved on the hollow pump shaft 10 is connected at the center of the cylinder 20, and the bearing 15 is fixedly arranged on the cylinder 20 through the ear plate 16. The pump shell 11 is sleeved outside the hollow pump shaft 10, a water stop ring is arranged at the contact end between the bottom end of the impeller 12 and the pump shell 11, so that the pump shell 11 between each stage of impellers 12 is blocked relatively, purified water flows along the pump shell 11 through the centrifugal effect generated when the impellers 12 rotate, and the purified water is continuously extracted until reaching a water outlet port due to the arrangement of a plurality of groups of impellers 12.

The hollow pump shaft 10 is connected with the end cover 4 through the connecting seat 7, and the connecting seat 7 can also realize limiting fixation on the top end of the filter element 5. As shown in fig. 5, the connecting seat 17 comprises a cylinder 20 sleeved on the hollow pump shaft 10, and likewise, the upper end of the cylinder 20 extends along the circumferential direction to be provided with a baffle 19 which can be connected and fixed with the end cover and can limit and fix the upper end of the filter element 5, preferably, the upper end of the baffle 19 extends to be provided with a threaded end 21, and correspondingly, the inner side wall of the end cover 4 is provided with threads matched with the threaded end 21, so that the submerged pump 6 and the end cover 4 are fixed through threaded connection. The lower end of the cylinder 20 is provided with a connecting disc 18 extending in the circumferential direction, which is connected to the pump housing 11. The baffle 19 and the connecting disc 18 are fixedly connected through the lug plate 16. A bearing 15 sleeved on the hollow pump shaft 10 is arranged at the center of the cylinder 20, and the bearing 15 is fixedly arranged on the cylinder 20 through an ear plate 16.

The filter element 5 is supported and limited by a supporting seat 23 arranged at the bottom end inside the outer shell 1. The supporting seat 23 can be provided with a groove, and the motor 9 of the submersible pump 6 can be directly located in the groove, so that the submersible pump 6 can be supported and limited. And can set up the film on the inside wall of filter core 5, set up a plurality of rows of holes on this film, and arrange with big or small indirect mode between a plurality of rows of holes, for example set up a row of macropores along filter core film circumference, then correspond, set up a row of aperture along the upper end or the lower extreme that filter core vertically is located this row of macropores and set up circumference, and then under the effect of immersible pump, can make the water source evenly distributed through the filter core, avoid forming the trend of big or small rivers because of the inertia of water, improve the life of filter core.

Working principle: according to the pre-filter, a water source enters the outer side of the filter element from the water inlet channel, the submersible pump is started, and purified water filtered by the filter element is continuously extracted to the top end of the submersible pump under the action of the submersible pump and flows out through the water outlet channel, so that purified water is obtained.

Claims

1. A pre-filter, characterized in that: the front filter comprises an outer shell (1), an end cover (4) which is connected with the outer shell (1) and provided with a water inlet channel (2) and a water outlet channel (3), a filter element (5) arranged in the outer shell (1) and a water pump (6) arranged in the filter element (5), wherein the water pump (6) is fixedly connected with the end cover (4) through a connecting seat (7), a waterway channel (8) is arranged on the end cover (4) corresponding to the submersible pump (6), and the waterway channel (8) is communicated with the water outlet channel (3).

2. A pre-filter according to claim 1, wherein: the water pump (6) is a submersible pump and comprises a motor (9) positioned at the bottom end of the outer shell (1), a hollow pump shaft (10) with one end connected with the motor (9) and the other end penetrating through the top end of the end cover (4), and a pump shell (11) sleeved outside the hollow pump shaft (10), wherein a plurality of groups of impellers (12) are arranged on the hollow pump shaft (10).

3. A pre-filter according to claim 2, wherein: the water inlet seat (13) between the motor (9) and the impeller (12) is further arranged on the hollow pump shaft (10), water inlet holes (14) are arranged on the side wall of the water inlet seat (13), a bearing (15) sleeved on the hollow pump shaft (10) is connected and arranged at the center of the water inlet seat (13), and the bearing (15) is fixedly arranged on the water inlet seat (13) through an ear plate (16).

4. A pre-filter according to claim 2, wherein: a power line connected with the motor (9) is arranged in the hollow pump shaft (10), and the other end of the power line penetrates through the hollow pump shaft (10) and is connected with a terminal (17) arranged on the end cover (4).

5. A pre-filter according to claim 1, wherein: the connecting seat (7) is sleeved on the hollow pump shaft (10), the connecting seat comprises a cylinder body (20), the lower end and the upper end of the cylinder body (20) are respectively provided with a connecting disc (18) and a baffle plate (19), the upper end of the baffle plate (19) is provided with a threaded end (21) in an extending mode, and threaded connection with the end cover (4) is achieved through the threaded end (21).

6. The prefilter of claim 5, wherein: the center of the cylinder body (20) is provided with a bearing (15) sleeved on the hollow pump shaft (10), and the bearing (15) is fixedly arranged on the cylinder body (20) through an ear plate (16).

7. The prefilter of claim 5, wherein: the connecting disc (18) and the baffle (19) are fixedly connected through the lug plate (16) positioned on the outer side wall of the cylinder body (20).

8. A pre-filter according to claim 2, wherein: a water stop ring (22) is arranged at the joint of the top end of the hollow pump shaft (10) and the top end of the end cover (4).

9. A pre-filter according to claim 2, wherein: the filter element (5) is limited and supported through a supporting seat (23) with a groove arranged in the bottom end of the outer shell (1), and the motor (9) is located in the groove for limiting.

10. A pre-filter according to claim 1, wherein: the filter element is characterized in that a film is arranged on the inner side wall of the filter element (5), a plurality of rows of holes are longitudinally formed in the film, and the rows of holes are sequentially arranged in the order of size.