CN212076592U

CN212076592U - Front-mounted supercharged multi-stage integrated composite filter element

Info

Publication number: CN212076592U
Application number: CN201922155263.0U
Authority: CN
Inventors: 曲迪; 邱正茂
Original assignee: Zhongshan Rnice Water Purification Technology Co ltd
Current assignee: Zhongshan Rnice Water Purification Technology Co ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-12-04
Anticipated expiration: 2029-12-04

Abstract

The utility model discloses a multistage integrated form composite filter core of leading booster-type, including the filter core body that has the filter core head, the overhead raw water inlet A that is equipped with of filter core, check valve P, waste water outlet U and reverse osmosis membrane water inlet R, the filter core body includes the shell of outside-in nested arrangement in proper order, the outer sleeve, reverse osmosis membrane and central barrel, be equipped with the leading filter core unit and the rearmounted filter core unit of mutual isolation in the barrel of centre respectively, raw water inlet A passes through leading filter core unit, reverse osmosis membrane water inlet R communicates with the side of intaking of reverse osmosis membrane, the pure water delivery port of reverse osmosis membrane communicates through the side of intaking of rearmounted filter core unit and check valve P, the waste water delivery port and the waste water outlet. The utility model has the advantages of small in size, compact structure, occupation space are few, installation and maintenance convenient and fast, and raw water inlet A's front end is located to its booster pump, can do leading filtration treatment as required in order to prevent to block up.

Description

Front-mounted supercharged multi-stage integrated composite filter element

Technical Field

The utility model relates to a filter core for the water purifier, concretely relates to multistage integrated form composite filter of leading booster-type.

Background

The filter element of the water purifier generally comprises a plurality of combined filter elements, for example, the filter element of the water purifier adopting the reverse osmosis membrane generally comprises a front filter element, a reverse osmosis membrane filter element and a rear filter element, wherein the front filter element is used as the front end of the water purifier for pretreatment and filtration purification of water quality, and the rear filter element is used as the tail end of the water purifier for further purifying water quality and improving taste. But because the filter core structures at all levels are mutually independent, the water purifier has larger volume, not compact enough structure and large occupied volume. Therefore, how to integrate the filter element structure of the water purifier adopting the reverse osmosis membrane becomes a key technical problem to be solved urgently.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem who solves: to the above-mentioned problem of prior art, provide a multistage integrated form composite filter core of leading booster-type, the utility model discloses a leading filter core, reverse osmosis membrane, rearmounted filter core triune have small in size, compact structure, occupation space are few, installation and the advantage of maintaining convenient and fast, and raw water inlet A's front end is located to its booster pump, can be leading filtration treatment in order to prevent to block up as required.

In order to solve the technical problem, the utility model discloses a technical scheme be:

the utility model provides a multistage integrated form composite filter core of leading booster-type, is including the filter core body that has the filter core head, overhead raw water inlet A, check valve P, waste water outlet U and the reverse osmosis membrane water inlet R of being equipped with of filter core, the filter core body includes shell, outer sleeve, reverse osmosis membrane and the central barrel of from outside-in nested arrangement in proper order, be equipped with the leading filter core unit and the rearmounted filter core unit of mutual isolation in the barrel of center respectively, raw water inlet A is through leading filter core unit, reverse osmosis membrane water inlet R and reverse osmosis membrane's the side intercommunication of intaking, reverse osmosis membrane's pure water outlet is through rearmounted filter core unit and check valve P's the side intercommunication of intaking, reverse osmosis membrane's waste water outlet.

The front filter element unit comprises a front upper end cover, a front filter element, a front lower end cover and a front sleeve, the front filter element is clamped between the front upper end cover and the front lower end cover and is inserted in the front sleeve, the prepositive upper end cover is provided with a water inlet B and an inner hole, the prepositive filter element is tubular, a cavity C is formed between the outer wall of the prepositive filter element and the inner wall of the prepositive sleeve, the raw water inlet A is communicated with the water inlet B and the cavity C in sequence through the passage on the filter element head body to form a water inlet side passage of the preposed filter element, the filter element head is provided with a plug-in connector with a water purification water outlet hole D, the plug-in connector is partially inserted into a central pipeline G of the front filter element and enables the water purification water outlet hole D and the central pipeline G of the front filter element to form a water outlet side passage of the front filter element, and the water purification water outlet hole D is communicated with a reverse osmosis membrane water inlet R of a reverse osmosis membrane.

The front-mounted filter element is characterized in that the front-mounted sleeve is provided with a blind hole with an opening close to one side of the filter element head, and the front-mounted filter element and the front lower end cover are uniformly distributed in the blind hole of the front-mounted sleeve.

The rear filter element unit comprises a rear upper end cover, a rear filter element, a rear lower end cover and a rear sleeve, the rear filter element is clamped between the rear upper end cover and the rear lower end cover and is inserted into the rear sleeve, the rear sleeve is inserted and fixed at one end, far away from the filter element head, in the central cylinder, a water inlet hole L communicated with a pure water outlet of a reverse osmosis membrane is formed in the rear sleeve, a cavity J and a water outlet K communicated with a central pipeline H of the rear filter element are formed in the rear upper end cover, a cavity I between the outer wall of the central cylinder and the outer wall of the front filter element unit, a cavity Y of the filter element head and a water inlet side of the one-way valve P are communicated, and a pure water outlet S is formed in the water outlet side of the one-way valve P on the filter element head.

Form cavity E between the inner wall of outer sleeve, the outer wall of reverse osmosis membrane, cavity E communicates with reverse osmosis membrane's reverse osmosis membrane water inlet R, form cavity V between the inner wall of reverse osmosis membrane, the outer wall of central barrel, be equipped with the inlet opening M with cavity V intercommunication on the barrel of center, inlet opening M communicates as reverse osmosis membrane's pure water delivery port and rearmounted filter core unit's inlet opening L, be equipped with cavity W as waste water delivery port and waste water outlet U intercommunication between reverse osmosis membrane's top and the filter core head.

And a high-pressure pure water cavity F is arranged between the inner wall of the shell and the outer wall of the outer sleeve, and the water inlet hole M is communicated with the high-pressure pure water cavity F through a one-way valve X arranged on the central cylinder.

And a waste water hole N1, a waste water valve, a waste water plug or a waste water proportional valve is also arranged between the cavity W and the waste water outlet U.

The filter element head is also provided with a waste water hole N2, a waste water plug or a waste water proportional valve which is used for being connected to the upstream of the booster pump connected with the raw water inlet A, and the waste water hole N2, the waste water valve, the waste water plug or the waste water proportional valve is communicated with the cavity W.

Compared with the prior art, the utility model has the advantages of as follows:

1. the utility model discloses the filter core body includes shell, outer sleeve, reverse osmosis membrane and the central barrel of outside-in nested arrangement in proper order, and has realized leading filter core, reverse osmosis membrane, rearmounted filter core trinity through telescopic multilayer structure and inside pipeline, has small in size, compact structure, occupation space is few, installation and the advantage of maintaining convenient and fast.

2. The utility model discloses a leading booster-type multistage integrated form combined filter core, its booster pump locate raw water inlet A's front end, can do leading filtration treatment in order to prevent to block up as required.

3. The utility model discloses if will do two play water, when dividing a water purification (water through preliminary treatment filter core filtration purification) to receive tap (as domestic water) promptly behind the leading preliminary treatment filter core, the utility model discloses the electronic switch control water intaking valve starts and closes (the break-make of control raw water promptly) for the adaptation, utilizes electronic switch type tap to do two play water.

Drawings

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

Fig. 2 is a schematic perspective exploded view of an embodiment of the present invention.

Fig. 3 is a schematic sectional structural view of an embodiment of the present invention.

Fig. 4 is a schematic view of a cross-sectional flow channel structure according to an embodiment of the present invention.

Fig. 5 is a schematic view of an end face structure of a filter element head according to an embodiment of the present invention.

Fig. 6 is a schematic cross-sectional view of a filter cartridge head according to an embodiment of the present invention.

Fig. 7 is a schematic view of a water path principle according to an embodiment of the present invention.

Detailed Description

As shown in fig. 1, 2, 3, 4, 5, 6 and 7, the front-loading multistage integrated composite filter element of the present embodiment includes a filter element body 2 with a filter element head 1, the filter element head 1 is provided with a raw water inlet a, check valve P, waste water outlet U and reverse osmosis membrane water inlet R, filter element body 2 includes shell 21 from outside-in nested arrangement in proper order, outer sleeve 22, reverse osmosis membrane 23 and central barrel 24, be equipped with leading filter core unit 3 and the rearmounted filter core unit 4 of mutual isolation in the central barrel 24 respectively, raw water inlet A is through leading filter core unit 3, reverse osmosis membrane water inlet R communicates with the side of intaking of reverse osmosis membrane 23, reverse osmosis membrane 23's pure water outlet is through the side intercommunication of intaking of rearmounted filter core unit 4 and check valve P, reverse osmosis membrane 23's waste water outlet and waste water outlet U intercommunication. Referring to fig. 6 and 7, in the embodiment, the filter element is a front-mounted supercharged multi-stage integrated composite filter element, the booster pump is connected to the front end of the raw water inlet a through the water inlet valve, and the water inlet three-way ball valve with the filter screen is arranged in front of the water inlet valve, so that particulate matter impurities in the raw water can be intercepted, and the water inlet valve is prevented from being blocked. The waste water outlet U of the filter element head 1 comprises two water outlets U1 and U2, a pure water outlet S is formed in the water outlet side of the one-way valve P, a water outlet T is formed in the position, located at the water inlet R of the reverse osmosis membrane, of the filter element head 1, and a detachable plug is arranged at the position of the water outlet T.

As shown in fig. 2, 3, 4, 5, 6 and 7, the front filter element unit 3 includes a front upper end cap 31, a front filter element 32, a front lower end cap 33 and a front sleeve 34, the front filter element 32 is clamped between the front upper end cap 31 and the front lower end cap 33 and is inserted into the front sleeve 34, the front upper end cap 31 is provided with a water inlet B and an inner hole, the front filter element 32 is tubular and forms a cavity C between an outer wall and an inner wall of the front sleeve 34, the raw water inlet a is communicated with the passage on the body of the filter element head 1, the water inlet B and the cavity C in sequence to form a water inlet side passage of the front filter element 32, the filter element head 1 is provided with a plug connector having a water purifying outlet hole D, the plug connector is partially inserted into the central pipe G of the front filter element 32 and enables the water purifying outlet hole D and the central pipe G of the front filter element 32 to form a water outlet side passage of the front filter element 32, the water purification water outlet hole D is communicated with a reverse osmosis membrane water inlet R of the reverse osmosis membrane 23.

As shown in fig. 2 and 3, the front sleeve 34 is provided with a blind hole with an opening close to one side of the filter element head 1, and the front filter element 32 and the front lower end cover 33 are both disposed in the blind hole of the front sleeve 34.

As shown in fig. 2, 3, 4, 5, 6 and 7, the rear filter element unit 4 includes a rear upper end cap 41, a rear filter element 42, a rear lower end cap 43 and a rear sleeve 44, the rear filter element 42 is clamped between the rear upper end cap 41 and the rear lower end cap 43 and is inserted into the rear sleeve 44, the rear sleeve 44 is inserted and fixed at one end of the central cylinder 24 far away from the filter element head 1, the rear sleeve 44 is provided with a water inlet L communicated with the pure water outlet of the reverse osmosis membrane 23, the rear upper end cap 41 is provided with a cavity J and a water outlet K communicated with the central pipeline H of the rear filter element 42, the cavity J, the water outlet K, the cavity I between the central cylinder 24 and the outer wall of the front filter element unit 3, the cavity Y of the filter element head 1 is communicated with the water inlet side of the one-way valve P, and the filter element head 1 is provided with the pure water outlet S at the water outlet side of the one-way valve P.

As shown in fig. 2, 3, 4, 5, 6 and 7, a cavity E is formed between the inner wall of the outer sleeve 22 and the outer wall of the reverse osmosis membrane 23, the cavity E is communicated with a reverse osmosis membrane water inlet R of the reverse osmosis membrane 23, a cavity V is formed between the inner wall of the reverse osmosis membrane 23 and the outer wall of the central cylinder 24, a water inlet hole M communicated with the cavity V is formed in the central cylinder 24, the water inlet hole M is communicated with a water inlet hole L of the rear filter element unit 4 as a pure water outlet of the reverse osmosis membrane 23, and a cavity W is formed between the top of the reverse osmosis membrane 23 and the filter element head 1 and is communicated with a wastewater outlet and.

As shown in fig. 2, 3, 4, 5, 6 and 7, a high-pressure pure water chamber F is provided between the inner wall of the outer casing 21 and the outer wall of the outer sleeve 22, and the water inlet hole M and the high-pressure pure water chamber F are communicated through a check valve X mounted on the central cylinder 24. The high-pressure pure water cavity F is used for soaking pure water and washing the reverse osmosis membrane 23 under the control of the one-way valve X, so that the service life of the reverse osmosis membrane 23 can be effectively prolonged.

As shown in fig. 2, 3, 4, 5, 6 and 7, a waste hole N1 (or waste valve, or waste plug, or waste proportional valve) is further provided between the cavity W and the waste outlet U. It goes without saying that the waste water hole N1 as an optional component may be provided outside the pre-pressurized multi-stage integrated composite filter element of the present embodiment as needed.

As shown in fig. 2, 3, 4, 5, 6 and 7, the filter element head 1 is further provided with a waste water hole N2 (or a waste water valve, or a waste water plug, or a waste water proportional valve) for connecting to the upstream of the booster pump connected to the raw water inlet a, and the waste water hole N2 is communicated with the cavity W. It goes without saying that the waste water hole N2 as an optional component may be provided outside the pre-pressurized multi-stage integrated composite filter element of the present embodiment as needed.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A front supercharged multi-stage integrated composite filter element is characterized by comprising a filter element body (2) with a filter element head (1), the filter element head (1) is provided with a raw water inlet A, a one-way valve P, a waste water outlet U and a reverse osmosis membrane water inlet R, the filter element body (2) comprises a shell (21), an outer sleeve (22), a reverse osmosis membrane (23) and a central cylinder body (24) which are sequentially nested from outside to inside, a front filter element unit (3) and a rear filter element unit (4) which are mutually isolated are respectively arranged in the central cylinder body (24), the raw water inlet A is communicated with the water inlet side of the reverse osmosis membrane (23) through the preposed filter element unit (3) and the reverse osmosis membrane water inlet R, the pure water outlet of the reverse osmosis membrane (23) is communicated with the water inlet side of the one-way valve P through the rear filter element unit (4), and the wastewater outlet of the reverse osmosis membrane (23) is communicated with the wastewater outlet U.

2. The front supercharged multi-stage integrated composite filter element according to claim 1, wherein the front filter element unit (3) comprises a front upper end cover (31), a front filter element (32), a front lower end cover (33) and a front sleeve (34), the front filter element (32) is clamped between the front upper end cover (31) and the front lower end cover (33) and is inserted into the front sleeve (34), the front upper end cover (31) is provided with a water inlet B and an inner hole, the front filter element (32) is tubular and forms a cavity C between the outer wall and the inner wall of the front sleeve (34), the raw water inlet A is communicated with a passage on the body of the filter element head (1), the water inlet B and the cavity C are communicated in sequence to form a water inlet side passage of the front filter element (32), the filter element head (1) is provided with a plug connector with a water purification outlet D, and the plug connector is partially inserted into a central pipeline G of the front filter element (32) and enables the water purification outlet D to be separated from the water inlet side And a water outlet side passage of the front filter element (32) is formed by the water outlet side passage and a central pipeline G of the front filter element (32), and the water purifying water outlet hole D is communicated with a reverse osmosis membrane water inlet R of the reverse osmosis membrane (23).

3. The front supercharged multi-stage integrated composite filter element according to claim 2, wherein the front sleeve (34) is provided with a blind hole with an opening arranged close to one side of the filter element head (1), and the front filter element (32) and the front lower end cover (33) are uniformly arranged in the blind hole of the front sleeve (34).

4. The front supercharged multi-stage integrated composite filter element according to claim 3, wherein the rear filter element unit (4) comprises a rear upper end cover (41), a rear filter element (42), a rear lower end cover (43) and a rear sleeve (44), the rear filter element (42) is clamped between the rear upper end cover (41) and the rear lower end cover (43) and is inserted into the rear sleeve (44), the rear sleeve (44) is inserted and fixed at one end of the central cylinder (24) far away from the filter element head (1), the rear sleeve (44) is provided with a water inlet L communicated with a pure water outlet of the reverse osmosis membrane (23), the rear upper end cover (41) is provided with a cavity J and a water outlet K communicated with a central pipeline H of the rear filter element (42), and the cavity J, the water outlet K, the cavity I, the cavity B, the cavity between the central cylinder (24) and the outer wall of the front filter element unit (3), and the rear sleeve (44), The cavity Y of the filter element head (1) is communicated with the water inlet side of the one-way valve P, and a pure water outlet S is formed in the filter element head (1) and is positioned on the water outlet side of the one-way valve P.

5. The front supercharged multi-stage integrated composite filter element according to claim 4, wherein a cavity E is formed between the inner wall of the outer sleeve (22) and the outer wall of the reverse osmosis membrane (23), the cavity E is communicated with a reverse osmosis membrane water inlet R of the reverse osmosis membrane (23), a cavity V is formed between the inner wall of the reverse osmosis membrane (23) and the outer wall of the central cylinder (24), a water inlet M communicated with the cavity V is formed in the central cylinder (24), the water inlet M is communicated with a pure water outlet of the reverse osmosis membrane (23) and a water inlet L of the rear filter element unit (4), and a cavity W is formed between the top of the reverse osmosis membrane (23) and the filter element head (1) and communicated with a wastewater outlet and a wastewater discharge outlet U.

6. The supercharged, multistage integrated composite filter cartridge of claim 4, wherein a high-pressure pure water chamber F is provided between the inner wall of the housing (21) and the outer wall of the outer sleeve (22), and the water inlet M and the high-pressure pure water chamber F are communicated through a one-way valve X mounted on the central cylinder (24).

7. The front supercharged, multi-stage integrated composite filter element according to claim 5, wherein a waste water hole N1, a waste water valve, a waste water plug or a waste water proportional valve is further provided between the cavity W and the waste water outlet U.

8. The front supercharged multi-stage integrated composite filter element according to claim 4, wherein the filter element head (1) is further provided with a waste water hole N2 or a waste water plug or a waste water proportional valve for connecting to the upstream of the booster pump connected with the raw water inlet A, and the waste water hole N2 or the waste water valve or the waste water plug or the waste water proportional valve is communicated with the cavity W.