CN213595943U - Filter element for preventing water leakage of RO membrane pure water outlet at central position - Google Patents
Filter element for preventing water leakage of RO membrane pure water outlet at central position Download PDFInfo
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- CN213595943U CN213595943U CN202022146940.5U CN202022146940U CN213595943U CN 213595943 U CN213595943 U CN 213595943U CN 202022146940 U CN202022146940 U CN 202022146940U CN 213595943 U CN213595943 U CN 213595943U
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Abstract
A filter element for preventing water leakage with an RO membrane pure water outlet at the center comprises an RO membrane filter element cylinder, a filter element cover body, a filter element rotary disc and a filter element press ring; the filter element cover body comprises a cover body bottom plate, a first cylindrical part and a second cylindrical part extend upwards from the cover body bottom plate in two directions, and a filter element cover body pure water outlet pipe, a filter element cover body raw water inlet and a filter element cover body waste water outlet are arranged on the bottom surface of one side of the second cylindrical part; an extension body extends to one side of the first cylindrical part on a cover body bottom plate corresponding to the pure water outlet pipe of the filter element cover body, a blind hole is formed in the filter element rotary disc, the extension body is inserted into the blind hole of the filter element rotary disc, a water-seepage-preventing sealing ring is arranged between the outer wall of the extension body and the blind hole, or the position, opposite to the pure water outlet pipe of the filter element base body, of the cover body bottom plate is provided with the water-seepage-preventing sealing ring. The utility model has the advantages of the quality of pure water can not change because of the water mixing, which can not generate the water mixing when rotating.
Description
Technical Field
The utility model relates to a RO membrane filter core field especially relates to a RO membrane pure water outlet is at the filter core of preventing cluster water of central point.
Background
The existing three-port RO membrane filter element filter consists of a filter element seat and a filter element, wherein the filter element seat is fixedly arranged, and the filter element can be disassembled and assembled relative to the filter element seat. In order to ensure that the filter element is not leaked after being detached, the filter element seat is provided with a stop valve in the traditional way, each port on the filter element seat is provided with a stop valve, the stop valve is opened and communicated by the filter element when the filter element is inserted, and each port is blocked by the stop valve when the filter element is pulled down so as to prevent the filter element seat from leaking water. The filter element seat with the structure has the problems that the structure of the stop valve is complex, the cost is high, the stop valve is easy to malfunction, and the waterway is blocked or water leakage occurs due to the use of the stop valve.
In order to solve the problems, a rotary water-stopping filter element is provided in the industry, for example, the rotary water-stopping filter element disclosed in chinese patent document CN 207641116U, comprises a top cover, wherein a water inlet, a water outlet and a sewage outlet are respectively arranged on the top cover, an upper water-sealing plate is arranged in the top cover, a first sealing ring is arranged between the top cover and the upper water-sealing plate, the upper water-sealing plate is provided with at least three liquid conveying channels, the first sealing ring is positioned at the output port of the liquid conveying channel, a rotary cover for driving the upper water-sealing plate to rotate and implementing the cutoff function of the liquid conveying channel is further arranged on the top cover, the upper water-sealing plate is further connected with a lower water-sealing plate, a sewage discharge connector, a water inlet connecting hole and a water outlet connecting hole are arranged on the bottom surface of the lower.
Although this kind of rotatory stagnant water filter core can be through rotatory stagnant water, there is a problem in the in-process of using, be exactly when last water sealing plate rotates for the top cap, water inlet, delivery port and drain on the top cap and the water inlet of last water sealing plate, delivery port and drain overlap in some period time mutual part, and water inlet, delivery port and drain can the cluster water, and the raw water of water inlet and the waste water of drain can mix with the pure water of delivery port to influence the quality of pure water.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a RO membrane pure water outlet water-crossing prevention filter element with a central position, which can not cause water crossing and the quality of pure water can not change due to water crossing, for the society.
The technical scheme of the utility model is that: the filter element comprises an RO membrane filter element cylinder, a filter element cover body, a filter element rotary disc and a filter element press ring, wherein the filter element rotary disc is rotatably positioned in the filter element cover body by the filter element press ring, and the filter element cover body is arranged at the top end of the RO membrane filter element cylinder; the filter element cover comprises a cover body bottom plate, a first cylindrical part and a second cylindrical part simultaneously extend from two directions on the periphery of the cover body bottom plate, a filter element cover pure water outlet pipe, a filter element cover raw water inlet and a filter element cover waste water outlet communicated with the cover body bottom plate are arranged on the bottom surface of one side of the second cylindrical part of the cover body bottom plate, and the center of the filter element cover pure water outlet pipe is concentric with the center of the cover body bottom plate; an extending body extends to one side of the first cylindrical part on the cover body bottom plate corresponding to the pure water outlet pipe of the filter element cover body, a concave part is arranged on the filter element rotary disc, the extending body is inserted into the concave part of the filter element rotary disc, a water-leakage-preventing sealing ring is arranged between the outer wall of the extending body and the concave part, or the position, opposite to the pure water outlet pipe of the filter element cover body, of the cover body bottom plate is provided with the water-leakage-preventing sealing ring.
As the improvement of the utility model, RO membrane filter core barrel includes outer barrel and sets up at internal core upper end cover, RO membrane core and the plug of this urceolus, the plug is inserted in the RO membrane core, the upper end at RO membrane core and plug is established to core upper end lid, be equipped with core raw water holding chamber between RO membrane core and the outer barrel, the core upper end cover is equipped with core pure water outlet pipe and core waste water outlet, constitute core waste water holding chamber between the inner wall of core upper end cover, RO membrane core upper end and the plug outer wall, core pure water outlet pipe with filter core lid pure water outlet pipe intercommunication, filter core lid raw water inlet with core raw water holding chamber communicates with each other, filter core lid waste water outlet communicates with each other with core waste water holding chamber.
As an improvement of the utility model, the cover bottom plate is provided with a filter element waste water outlet sealing ring corresponding to the waste water outlet of the filter element cover body.
As the utility model discloses an improvement, first tube-shape portion is used for corresponding the lock with the filter core seat, second tube-shape portion is used for corresponding the ultrasonic welding with RO membrane filter core barrel.
As an improvement of the utility model, the cover body bottom plate is provided with a cover body raw water inlet sealing ring corresponding to the raw water inlet of the filter element cover body.
As an improvement of the utility model, be equipped with spacing post on the bottom surface of the first tubular portion one side of lid bottom plate the filter core carousel is close to be equipped with an at least arc spacing groove on the bottom surface of lid bottom plate one side, spacing post stretches the arc spacing inslot.
As the improvement of the utility model, the arc spacing groove is two, two the arc spacing groove symmetry sets up, spacing post is two, two spacing post is stretched respectively two the arc spacing inslot.
As an improvement of the utility model, the inner and outer walls of the filter element cover body are provided with loose joint clamping strips movably connected with the filter element seat.
The utility model comprises a RO membrane filter element cylinder, a filter element cover body, a filter element rotary disc and a filter element press ring, wherein the filter element rotary disc is rotatably positioned in the filter element cover body by the filter element press ring, and the filter element cover body is arranged at the top end of the RO membrane filter element cylinder; the filter element cover comprises a cover body bottom plate, a first cylindrical part and a second cylindrical part simultaneously extend from two directions on the periphery of the cover body bottom plate, a filter element cover pure water outlet pipe, a filter element cover raw water inlet and a filter element cover waste water outlet communicated with the cover body bottom plate are arranged on the bottom surface of one side of the second cylindrical part of the cover body bottom plate, and the center of the filter element cover pure water outlet pipe is concentric with the center of the cover body bottom plate; an extending body extends to one side of the first cylindrical part on a cover body bottom plate corresponding to the pure water outlet pipe of the filter element cover body, a concave part is arranged on the filter element rotary disc, the extending body is inserted into the concave part of the filter element rotary disc, a water-leakage-preventing sealing ring is arranged between the outer wall of the extending body and the concave part, or a water-leakage-preventing sealing ring structure is arranged on the cover body bottom plate opposite to the pure water outlet pipe of the filter element cover body; therefore, the utility model discloses when using, no matter how rotatory filter core lid pure water outlet pipe can both do and prevent that raw water or/and waste water from mixing with the pure water to guarantee the quality of pure water.
Drawings
Fig. 1 is a schematic perspective exploded view of an embodiment of the present invention.
Fig. 2 is a perspective view of fig. 1 after it is completely exploded.
Fig. 3 is a perspective view of fig. 2 from another perspective.
Fig. 4 is a longitudinal cross-sectional view of fig. 3 fully assembled.
Detailed Description
Referring to fig. 1 to 4, fig. 1 to 4 disclose an embodiment of a cross-flow preventing filter element with a RO membrane pure water outlet at a central position, which includes a RO membrane filter element cylinder 4, a filter element cover 1, a filter element rotary disc 2 and a filter element press ring 3, wherein the filter element rotary disc 2 is rotatably positioned in the filter element cover 1 by the filter element press ring 3, and the filter element cover 1 is arranged at the top end of the RO membrane filter element cylinder 4; the filter element cover body 1 comprises a cover body bottom plate 11, a first cylindrical part 121 and a second cylindrical part 122 simultaneously extend to two directions from the periphery of the cover body bottom plate 11, a filter element cover body pure water outlet (13, a filter element cover body raw water inlet 14 and a filter element cover body waste water outlet 15 communicated with the cover body bottom plate 11 are arranged on the bottom surface of one side of the second cylindrical part 122 of the cover body bottom plate 11, the center of the filter element cover body pure water outlet pipe 13 is concentric with the center of the cover body bottom plate 11, a first rotary disc pure water connecting pipe 21 is arranged in the direction of the filter element rotary disc 2 far away from the filter element cover body 1, the center of the first rotary disc pure water connecting pipe 21 is concentric with the center of the filter element cover body pure water outlet pipe 13, first rotary disc raw water switching pipes 22 matched with the filter element cover body raw water inlet 14 are respectively arranged at two sides of the, and a turntable wastewater adapter pipe 26 matched with the wastewater outlet 15 of the filter element cover body; an extending body 131 extends towards one side of the first cylindrical part 121 on the cover body bottom plate 11 corresponding to the filter element cover body pure water outlet pipe 13, a concave part 25 is arranged on the filter element rotary disc 2, the extending body 131 is inserted into the concave part 25 of the filter element rotary disc 2, a water-leakage-preventing sealing ring 133 is arranged between the outer wall of the extending body 131 and the concave part 25, or the water-leakage-preventing sealing ring 133 is arranged on the cover body bottom plate 11 opposite to the filter element cover body pure water outlet pipe 13. (this is not shown in the figures); therefore, the utility model discloses when using, no matter so filter element lid pure water outlet pipe 13 is rotatory, can both do and prevent that raw water or/and waste water from mixing with the pure water, has guaranteed the quality of pure water.
In the utility model, preferably, the RO membrane filter cartridge 4 comprises an outer cartridge 41, and a core upper end cap 42, an RO membrane core 43 and a core rod 44 arranged in the outer cartridge 41, wherein the core rod 44 is inserted in the RO membrane core 43, the core upper end cap 42 is covered on the upper ends of the RO membrane core 43 and the core rod 44, a core raw water holding chamber 45 is arranged between the RO membrane core 43 and the outer cartridge 41, the core upper end cap 42 is provided with a core pure water outlet pipe 421 and a core waste water outlet 423, a core waste water holding chamber 46 is formed between the inner wall of the core upper end cap 42, the upper end of the RO membrane core 43 and the outer wall of the core rod 44, the core pure water outlet pipe 421 is communicated with the core cover pure water outlet pipe 13, the core raw water inlet 14 is communicated with the core holding chamber 45, the filter waste water outlet 15 is communicated with the core waste water holding chamber 46, and a core body pure water outlet pipe sealing ring 422 is arranged between the outer surface of the core body pure water outlet pipe 421 and the filter element cover body pure water outlet pipe 13.
The utility model discloses in, it is preferred on the lid bottom plate 11 for filter core lid waste water delivery port 15 department is equipped with filter core waste water outlet sealing washer 151 for sealed between lid bottom plate 11 and the filter core lid waste water delivery port 15.
The utility model discloses in, preferred, first tube-shape portion 121 is used for corresponding the lock with the filter core seat, second tube-shape portion 122 is used for corresponding the ultrasonic welding with RO membrane filter core barrel 4.
The utility model discloses in, it is preferred on the lid bottom plate 11 for filter core lid raw water inlet 14 is equipped with lid raw water import sealing washer 141 for the raw water passageway's is sealed between filter core lid 1 and the filter core seat carousel 2.
The utility model discloses in, it is preferred be equipped with spacing post 16 on the bottom surface of the first tubular portion 121 one side of lid bottom plate 11 filter core carousel 2 is close to be equipped with an at least arc spacing groove 28 on the bottom surface of lid bottom plate 11 one side, spacing post 16 stretches in the arc spacing groove 28, prevent that filter core carousel 2 from transiting rotatoryly or rotatory not in place, and influence the sealed of raw water and pure water.
The utility model discloses in, it is preferred, arc spacing groove 28 is two, two arc spacing groove 28 symmetry sets up, spacing post 16 is two, two spacing post 16 is stretched respectively two in the arc spacing groove 28. The provision of two arcuate retention slots 28 and two retention posts 16 makes rotational positioning more reliable.
In the utility model discloses, preferably be equipped with on the interior outer wall of filter core lid 1 with filter core seat swing joint card strip 19.
Claims (8)
1. The utility model provides a RO membrane pure water export is at anti-string water filter core of central point, its characterized in that: the RO membrane filter element comprises an RO membrane filter element cylinder (4), a filter element cover body (1), a filter element rotary table (2) and a filter element press ring (3), wherein the filter element rotary table (2) is rotatably positioned in the filter element cover body (1) by the filter element press ring (3), and the filter element cover body (1) is arranged at the top end of the RO membrane filter element cylinder (4); the filter element cover body (1) comprises a cover body bottom plate (11), a first cylindrical part (121) and a second cylindrical part (122) simultaneously extend to two directions from the periphery of the cover body bottom plate (11), a filter element cover body pure water outlet pipe (13), a filter element cover body raw water inlet (14) and a filter element cover body waste water outlet (15) communicated with the cover body bottom plate (11) are arranged on the bottom surface of one side of the second cylindrical part (122) of the cover body bottom plate (11), and the center of the filter element cover body pure water outlet pipe (13) is concentric with the center of the cover body bottom plate (11); an extending body (131) extends to one side of the first cylindrical part (121) on the cover body bottom plate (11) corresponding to the filter element cover body pure water outlet pipe (13), a concave part (25) is arranged on the filter element rotary disc (2), the extending body (131) is inserted into the concave part (25) of the filter element rotary disc (2), a water-leakage-preventing sealing ring (133) is arranged between the outer wall of the extending body (131) and the concave part (25), or the position, opposite to the filter element cover body pure water outlet pipe (13), on the cover body bottom plate (11) is provided with the water-leakage-preventing sealing ring (133).
2. The RO membrane pure water outlet water anti-cross filter element at the central position according to claim 1, characterized in that: the RO membrane filter element cylinder (4) comprises an outer cylinder body (41) and a core body upper end cover (42), an RO membrane core body (43) and a core rod (44) which are arranged in the outer cylinder body (41), wherein the core rod (44) is inserted into the RO membrane core body (43), the upper end of the RO membrane core body (43) and the upper end of the core rod (44) are covered by the core body upper end cover (42), a core body raw water accommodating cavity (45) is arranged between the RO membrane core body (43) and the outer cylinder body (41), the core body upper end cover (42) is provided with a core body pure water outlet pipe (421) and a core body waste water outlet (423), a core body waste water accommodating cavity (46) is formed among the inner wall of the core body upper end cover (42), the upper end of the RO membrane core body (43) and the outer wall of the core rod (44), the core body pure water outlet pipe (421) is communicated with the filter element cover body pure water outlet pipe (13), the filter, the filter element cover body waste water outlet (15) is communicated with the core body waste water accommodating cavity (46).
3. The RO membrane pure water outlet water anti-cross filter element at the central position according to claim 2, characterized in that: and a filter element wastewater outlet sealing ring (151) is arranged on the cover body bottom plate (11) corresponding to the filter element cover body wastewater outlet (15).
4. An RO membrane pure water outlet water anti-cross filter element at the center position according to claim 3, characterized in that: the first cylindrical part (121) is used for being buckled with the filter element seat correspondingly, and the second cylindrical part (122) is used for being welded with the RO membrane filter element cylinder body (4) correspondingly in an ultrasonic mode.
5. The RO membrane pure water outlet water anti-cross filter element at the central position according to claim 1 or 2, characterized in that: and a cover body raw water inlet sealing ring (141) is arranged on the cover body bottom plate (11) relative to the filter element cover body raw water inlet (14).
6. An anti-cross-over filter element with a RO membrane pure water outlet at the center position according to any one of claims 1 to 4, characterized in that: be equipped with spacing post (16) on the bottom surface of first tube-shape portion (121) one side of lid bottom plate (11) filter core carousel (2) are close to be equipped with at least one arc spacing groove (28) on the bottom surface of lid bottom plate (11) one side, spacing post (16) stretch in arc spacing groove (28).
7. The RO membrane pure water outlet water anti-cross filter element at the central position of claim 6, characterized in that: the number of the arc-shaped limiting grooves (28) is two, the arc-shaped limiting grooves (28) are symmetrically arranged, the number of the limiting columns (16) is two, and the two limiting columns (16) extend into the two arc-shaped limiting grooves (28) respectively.
8. An anti-cross-over filter element with a RO membrane pure water outlet at the center position according to any one of claims 1 to 4, characterized in that: the inner wall and the outer wall of the filter element cover body (1) are provided with loose joint clamping strips (19) which are movably connected with the filter element seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022146940.5U CN213595943U (en) | 2020-09-27 | 2020-09-27 | Filter element for preventing water leakage of RO membrane pure water outlet at central position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022146940.5U CN213595943U (en) | 2020-09-27 | 2020-09-27 | Filter element for preventing water leakage of RO membrane pure water outlet at central position |
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| CN213595943U true CN213595943U (en) | 2021-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022146940.5U Active CN213595943U (en) | 2020-09-27 | 2020-09-27 | Filter element for preventing water leakage of RO membrane pure water outlet at central position |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116282378A (en) * | 2023-03-22 | 2023-06-23 | 江苏大学 | Rotary hydrophobic membrane high-flux reverse osmosis water treatment device |
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2020
- 2020-09-27 CN CN202022146940.5U patent/CN213595943U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116282378A (en) * | 2023-03-22 | 2023-06-23 | 江苏大学 | Rotary hydrophobic membrane high-flux reverse osmosis water treatment device |
| WO2024192858A1 (en) * | 2023-03-22 | 2024-09-26 | 江苏大学 | High-flux reverse osmosis water treatment device having rotary hydrophobic membrane |
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