CN211752964U - Integrated compound front-mounted and rear-mounted integrated filter element - Google Patents

Abstract

The utility model discloses an integrated compound leading rearmounted integrative filter core, including being cylindric filter core body, filter core body one end is equipped with leading filter core unit, the other end is equipped with rearmounted filter core unit, leading filter core unit includes leading filter core sleeve and leading filter core body, first blind hole and leading upper end cover have been seted up to leading telescopic tip of filter core, leading filter core body is inserted and is located in the first blind hole and have hollow first central pipeline, be equipped with the first leading filter core business turn over water hole with first central pipeline intercommunication on the leading upper end cover, be equipped with leading filter core business turn over water hole of second on leading upper end cover or the leading filter core sleeve, leading filter core business turn over water hole of second and leading telescopic inner wall of filter core, cavity intercommunication between the outer wall of leading filter core body. The utility model discloses a two body structures of leading filter core, rearmounted filter core have small in size, compact structure, occupation space is few, installation and the advantage of maintaining convenient and fast.

Description

An integrated composite front and rear integrated filter element

technical field

The utility model relates to a filter element for a water purifier, in particular to an integrated and composite front and rear integrated filter element.

Background technique

The filter element of the water purifier generally includes various combinations of filter elements. For example, the filter element of the water purifier using a reverse osmosis membrane generally includes a pre-filter element, a reverse osmosis membrane filter element and a rear-mounted filter element. The pre-filter element is the front end of the water purifier. Pretreatment, filtration and purification, and the rear filter element is used as the end of the water purifier to further purify the water and improve the taste. However, since the structures of the filter elements at all levels are independent of each other, the water purifier is bulky, not compact enough, and occupies a large volume. Therefore, how to realize the integration of the filter element structure of the water purifier using the reverse osmosis membrane has become a key technical problem to be solved urgently.

Utility model content

The technical problem to be solved by the utility model: in view of the above-mentioned problems of the prior art, an integrated and composite front and rear filter element is provided. , The advantages of compact structure, less space occupation, convenient and quick installation and maintenance.

In order to solve the above-mentioned technical problems, the technical scheme adopted by the present utility model is:

An integrated front and rear integrated filter element, comprising a cylindrical filter element body, one end of the filter element body is provided with a front filter element unit, and the other end is provided with a rear filter element unit, and the front filter element unit includes a front filter element. A filter cartridge and a pre-filter body, the end of the pre-filter sleeve is provided with a first blind hole and a front upper end cover is provided at the opening of the first blind hole, and the pre-filter body is inserted in the first Inside the blind hole, the front filter element body has a hollow first central pipe, the front upper end cover is provided with a first front filter element inlet and outlet holes that communicate with the first central pipe, and the front upper end cover Alternatively, the pre-filter cartridge is provided with a second pre-filter element inlet and outlet holes, and the second pre-filter element water inlet and outlet holes communicate with the cavity between the inner wall of the pre-filter sleeve and the outer wall of the pre-filter body.

The bottom of the first blind hole is provided with a front lower end cover, the upper side of the front lower end cover is provided with a protruding first plug-in pipe column, and the lower end of the front filter element body is supported on the front lower end cover. and the first plug-in pipe column is plugged and arranged in the first central pipe.

The open end of the front filter cartridge sleeve away from the first blind hole is provided with an insertion hole, and the rear filter element unit is inserted and installed in the insertion hole.

The rear filter element unit includes a rear filter cartridge sleeve and a rear filter element body. The end of the rear filter element sleeve is provided with a second blind hole and is inserted and installed in the insertion hole. The rear filter element body Inserted in the second blind hole, the rear filter element body has a hollow second central pipe, and the front filter element sleeve or the rear filter element sleeve is provided with a first rear filter that communicates with the second center pipe. The water inlet and outlet holes of the rear filter element are provided on the front filter element sleeve or the rear filter element sleeve, which is connected with the cavity between the inner wall of the rear filter element sleeve and the outer wall of the rear filter element body. The water inlet and outlet water hole.

The upper end of the rear filter element body is provided with a rear upper end cover, the lower side of the rear upper end cover is provided with a protruding second plug-in pipe column, and the upper end of the rear filter element body is supported on the rear upper end cover and the second plug-in pipe column is inserted and arranged in the second central pipe, the water inlet and outlet holes of the first rear filter element or the water inlet and outlet holes of the second rear filter element are arranged on the sleeve of the front filter element and are connected with the rear upper end cover. It communicates with the cavity between the inner wall of the pre-filter sleeve.

The bottom of the second blind hole is provided with a rear lower end cover, the rear lower end cover is cup-shaped, and the lower end of the rear filter element body is inserted and arranged in the opening of the rear lower end cover.

Compared with the prior art, the utility model has the following advantages:

1. The present utility model includes a cylindrical filter element body, one end of the filter element body is provided with a pre-filter element unit, and the other end is provided with a rear-mounted filter element unit, and the pre-filter element unit can be used as the front end of the water purifier. Purification, the rear filter element unit can be used as the end of the water purifier to further purify the water quality and improve the taste. The utility model realizes the two-in-one structure of the front filter element and the rear filter element, which can reduce the cost of manufacturing and after-sales maintenance, and can be used as a development tool. An important technical factor of the advanced composite filter element, it has the advantages of small size, compact structure, small footprint, convenient and quick installation and maintenance.

2. The pre-filter unit of the present invention comprises a pre-filter sleeve and a pre-filter body, the end of the pre-filter sleeve is provided with a first blind hole and the opening of the first blind hole is provided with a front upper end cover, The pre-filter body is inserted in the first blind hole, the pre-filter body is provided with a hollow first central pipe, and the front upper end cover is provided with a first pre-filter element water inlet and outlet holes that communicate with the first central pipe. The upper end cover or the pre-filter sleeve is provided with a second pre-filter inlet and outlet holes, and the second pre-filter water inlet and outlet communicate with the cavity between the inner wall of the pre-filter sleeve and the outer wall of the pre-filter body , Through the above-mentioned structural design, the pre-filter unit can have a small volume and a good filtering effect.

3. The front filter element unit and the rear filter element unit of the present invention can be designed to have the same service life to adopt a fixed integrated structure, or a split structure can be used to facilitate the replacement of the front filter element unit and the rear filter element unit.

Description of drawings

FIG. 1 is a schematic three-dimensional structure diagram of an embodiment of the present invention.

FIG. 2 is a schematic view of the front structure of the embodiment of the present invention.

3 is a schematic cross-sectional structural diagram of an embodiment of the present invention.

Detailed ways

As shown in Figure 1, Figure 2 and Figure 3, the integrated front and rear filter element in this embodiment includes a cylindrical filter element body, one end of the filter element body is provided with a front filter element unit 1, and the other end is provided with a rear filter element Unit 2, the pre-filter unit 1 includes a pre-filter sleeve 11 and a pre-filter body 12, the end of the pre-filter sleeve 11 is provided with a first blind hole 13 and the opening of the first blind hole 13 is provided with a pre-filter The upper end cover 14, the front filter element body 12 is inserted in the first blind hole 13, the front filter element body 12 has a hollow first central pipe 121, and the front upper end cover 14 is provided with a communication with the first central pipe 121. The first pre-filter element inlet and outlet holes 141 , the front upper end cover 14 or the pre-filter cartridge sleeve 11 is provided with a second pre-filter element inlet and outlet holes, the second pre-filter element inlet and outlet holes and the pre-filter cartridge sleeve 11 are provided with water inlet and outlet holes. The cavity between the inner wall and the outer wall of the pre-filter body 12 communicates with each other. The integrated front and rear filter element in this embodiment realizes the two-in-one structure of the front filter element unit 1 and the rear filter element unit 2, and has the advantages of small size, compact structure, less space occupation, and convenient and quick installation and maintenance. The pre-filter unit 1 and the rear filter unit 2 in this embodiment can be replaced independently. The above-mentioned structural design of the pre-filter unit 1 in this embodiment can make the pre-filter unit 1 have a small volume and a good filtering effect.

As shown in FIG. 3 , in order to improve the filtering effect of the lower end of the pre-filter body 12 , in this embodiment, the bottom of the first blind hole 13 is provided with a front lower end cover 15 , and the upper side of the front lower end cover 15 is provided with a protrusion The arranged first plug-in pipe column 151, the lower end of the pre-filter body 12 is supported on the front lower end cover 15 and the first plug-in pipe column 151 is inserted and arranged in the first central pipe 121, so that the lower end of the pre-filter body 12 It can form enough pressure difference and filtering stroke to ensure the filtering effect.

As shown in FIG. 3 , in order to make the split replacement of the front filter element unit 1 and the rear filter element unit 2 more convenient, in this embodiment, the open end of the front filter element sleeve 11 away from the first blind hole 13 is provided with an insertion hole 16. The rear filter element unit 2 is inserted and installed in the insertion hole 16, so the connection and installation of the front filter element unit 1 and the rear filter element unit 2 can be easily realized. Generally speaking, the pre-filter unit 1 and the rear filter unit 2 are independent entities, which are designed at the front end and the end of the water purifier respectively, and the designed service life is also different, so the replacement cycle is also different; in this embodiment , the same service life can be designed for the front filter element unit 1 and the rear filter element unit 2, so that the rear filter element unit 2 and the insertion hole 16 can be integrated into one through ultrasonic welding or other manufacturing processes. ; In addition, the rear filter element unit 2 and the plug hole 16 can also be formed with a seal to form a detachable structure, so that the front filter element unit 1 and the rear filter element unit 2 can be replaced individually.

As shown in FIG. 3 , the rear filter element unit 2 includes a rear filter element sleeve 21 and a rear filter element body 22 . The end of the rear filter element sleeve 21 is provided with a second blind hole 23 and is inserted into the insertion hole 16 , the rear filter element body 22 is inserted into the second blind hole 23, the rear filter element body 22 has a hollow second central pipe 221, and the front filter element sleeve 11 or the rear filter element sleeve 21 is provided with a second and third The water inlet and outlet holes of the first rear filter element communicated with the two central pipes 221 are provided on the front filter element sleeve 11 or the rear filter element sleeve 21 and the inner wall of the rear filter element sleeve 21 and the outer wall of the rear filter element body 22. The water inlet and outlet holes of the second rear filter element communicated with the cavity. The above-mentioned structural design of the rear filter element unit 2 in this embodiment can make the rear filter element unit 2 have a small volume and good filtering effect, and form a continuous cylindrical structure with the front filter element unit 1 to reduce the volume.

As shown in FIG. 3 , in order to improve the filtering effect of the upper end of the rear filter element body 22 , in this embodiment, a rear upper end cover 24 is provided on the upper end of the rear filter element body 22 , and the lower side of the rear upper end cover 24 is provided with a protrusion The arranged second plug-in pipe column 241, the upper end of the rear filter element body 22 is supported on the rear-mounted upper end cover 24, and the second plug-in pipe column 241 is inserted and arranged in the second central pipe 221, and the first rear filter element enters and exits the water hole Or the water inlet and outlet holes of the second rear filter element are arranged on the front filter element sleeve 11 and communicate with the cavity between the rear upper end cover 24 and the inner wall of the front filter element sleeve 11, so that the upper end of the rear filter element body 22 can be connected. Form sufficient pressure difference and filtration stroke to ensure filtration effect.

As shown in FIG. 3, in order to improve the filtering effect of the lower end of the rear filter element body 22, in this embodiment, a rear lower end cover 25 is provided at the bottom of the second blind hole 23, and the rear lower end cover 25 is cup-shaped, and the rear filter element The lower end of the main body 22 is inserted and arranged in the opening of the rear lower end cover 25, so that the lower end of the rear filter element body 22 can form a sufficient pressure difference and filtering stroke to ensure the filtering effect.

The above are only the preferred embodiments of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions under the idea of the present invention belong to the protection scope of the present invention. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims (6)

1. an integrated composite pre- and post-integrated filter element, characterized in that it comprises a cylindrical filter element body, one end of the filter element body is provided with a front filter element unit (1), and the other end is provided with a rear filter element unit ( 2), the pre-filter unit (1) includes a pre-filter sleeve (11) and a pre-filter body (12), and the end of the pre-filter sleeve (11) is provided with a first blind hole ( 13) and a front upper end cover (14) is provided at the opening of the first blind hole (13), the front filter element body (12) is inserted into the first blind hole (13), and the front filter element body ( 12) With a hollow first central pipe (121), the front upper end cover (14) is provided with a first front filter inlet and outlet holes (141) that communicate with the first central pipe (121). The front upper end cover (14) or the front filter element sleeve (11) is provided with a second front filter element inlet and outlet holes, the second front filter element water inlet and outlet holes and the inner wall of the front filter sleeve (11), The cavities between the outer walls of the pre-filter body (12) communicate with each other. 2 . The integrated front and rear integrated filter element according to claim 1 , wherein the bottom of the first blind hole ( 13 ) is provided with a front lower end cover ( 15 ), and the front lower end cover The upper side of (15) is provided with a protruding first plug-in pipe column (151), the lower end of the pre-filter body (12) is supported on the front lower end cover (15) and the first plug-in pipe column (151) ) plug-in arrangement in the first central pipe (121). 3. The integrated front and rear integrated filter element according to claim 2, wherein the open end of the front filter element sleeve (11) away from the first blind hole (13) is provided with an insertion hole ( 16), the rear filter element unit (2) is inserted and installed in the insertion hole (16). 4. The integrated composite front and rear filter element according to claim 3, wherein the rear filter element unit (2) comprises a rear filter cartridge sleeve (21) and a rear filter body (22), The end of the rear filter cartridge sleeve (21) is provided with a second blind hole (23) and is inserted into the insertion hole (16), and the rear filter element body (22) is inserted into the second blind hole (22). In the hole (23), the rear filter element body (22) is provided with a hollow second central pipe (221), and the front filter element sleeve (11) or the rear filter element sleeve (21) is provided with and The water inlet and outlet holes of the first rear filter element communicated with the second central pipe (221), the front filter element sleeve (11) or the rear filter element sleeve (21) is provided with the inner wall of the rear filter element sleeve (21) and a second rear filter element water inlet and outlet holes communicated with the cavities between the outer walls of the rear filter element body (22). 5 . The integrated composite front and rear filter element according to claim 4 , wherein the upper end of the rear filter element body ( 22 ) is provided with a rear upper end cover ( 24 ), and the rear upper end cover is provided. 6 . The lower side of (24) is provided with a protruding second plug-in pipe column (241), the upper end of the rear filter element body (22) is supported on the rear-mounted upper end cover (24), and the second plug-in pipe column (241) ) is inserted and arranged in the second central pipe (221), the water inlet and outlet holes of the first rear filter element or the water inlet and outlet holes of the second rear filter element are arranged on the front filter sleeve (11) and are connected with the rear upper end cover (24) communicates with the cavity between the inner wall of the pre-filter sleeve (11). 6 . The integrated front and rear integrated filter element according to claim 5 , wherein the bottom of the second blind hole ( 23 ) is provided with a rear lower end cover ( 25 ), and the rear lower end cover (25) is cup-shaped, and the lower end of the rear filter element body (22) is inserted and arranged in the opening of the rear lower end cover (25).

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