CN221319521U - Unidirectional RO reverse osmosis membrane filter core - Google Patents

Unidirectional RO reverse osmosis membrane filter core Download PDF

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Publication number
CN221319521U
CN221319521U CN202323225835.0U CN202323225835U CN221319521U CN 221319521 U CN221319521 U CN 221319521U CN 202323225835 U CN202323225835 U CN 202323225835U CN 221319521 U CN221319521 U CN 221319521U
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pipe
water
membrane
wall
unidirectional
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CN202323225835.0U
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Chinese (zh)
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李兵辉
陈要妹
陈小飞
李利川
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Hebei Lvquan Environmental Protection Equipment Technology Co ltd
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Hebei Lvquan Environmental Protection Equipment Technology Co ltd
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Abstract

The application discloses a unidirectional RO reverse osmosis membrane filter element, which relates to the technical field of water purifier filter elements, and comprises an outer shell; the outer wall of the circumferential direction of the inner shell is fixedly provided with a plurality of grid plates which are positioned in the outer shell and are abutted with the inner wall of the outer shell; the RO membrane body is a cylindrical filter material formed by curling an RO reverse osmosis membrane and is positioned in the inner shell; the water collecting pipe is inserted into the RO membrane body, water passing through the RO membrane body can enter the water collecting pipe, and the bottom end of the water collecting pipe does not extend out of the RO membrane body and is sealed; the bottom cover is buckled and fixed at the bottom end of the outer shell; the top cap, the lock is fixed on the shell body top, is connected with the outlet pipe, and the outlet pipe wraps up and communicates to the collector pipe top, and the top cap still is connected with the inlet tube, and the inside partition ring panel that is provided with of top cap, the inlet tube encloses the space intercommunication with the partition ring panel, and the top cap still is connected with the drain pipe, the regional intercommunication between drain pipe and top cap circumference lateral wall and the partition ring panel. The application has the effect of centralizing the pipelines connecting the water purifier and the filter element, thereby facilitating the miniaturization and improvement of the water purifier.

Description

Unidirectional RO reverse osmosis membrane filter core
Technical Field
The application relates to the technical field of water purifier filter elements, in particular to a unidirectional RO reverse osmosis membrane filter element.
Background
RO membranes, also known as reverse osmosis membranes, are commonly used as filter elements in water purifiers, and are commonly used in the last filtration pass of water purifiers.
In the current household water purifier, the RO reverse osmosis membrane filter core generally comprises a shell, a top cover, a bottom cover, an RO reverse osmosis membrane and a water collecting pipe. The water collecting pipe is wrapped by the RO reverse osmosis membrane and is installed in the shell together, the top cover plugs the top of the water collecting pipe, the water inlet of the top cover supplies water to the end face of the RO reverse osmosis membrane, the water enters the water collecting pipe after filtration and permeation and is discharged from the water outlet of the bottom cover at the bottom, and concentrated water which cannot reach the water collecting pipe is discharged from the water outlet of the bottom cover. When the RO reverse osmosis membrane filter element is installed, the water inlet of the top cover is often communicated with the water inlet at the current position in the water purifier, and other pipe orifices are communicated after the filter element is fixed.
The current household water purifier is continuously developed towards miniaturization, so that the water pipe connection mode in the water purifier is also required to be simplified, and the installation mode of the filter element is included. The current RO reverse osmosis membrane filter element is hard to install, and the connecting pipeline is not concentrated, so that the matched water purifier is difficult to realize miniaturization improvement.
Disclosure of utility model
The utility model provides a unidirectional RO reverse osmosis membrane filter element, which aims to solve the problem that the conventional RO membrane filter element structure is difficult to realize miniaturization and improvement of a matched water purifier.
The application provides a unidirectional RO reverse osmosis membrane filter core, which adopts the following technical scheme:
A unidirectional RO reverse osmosis membrane cartridge comprising
An outer housing;
The outer wall of the circumferential direction of the inner shell is fixedly provided with a plurality of grid plates which are positioned in the outer shell and are abutted with the inner wall of the outer shell;
the RO membrane body is a cylindrical filter material formed by curling an RO reverse osmosis membrane and is positioned in the inner shell;
the water collecting pipe is inserted into the RO membrane body, water passing through the RO membrane body can enter the water collecting pipe, and the bottom end of the water collecting pipe does not extend out of the RO membrane body and is sealed;
the bottom cover is buckled and fixed at the bottom end of the outer shell;
The top cap, the lock is fixed on the shell body top, and the intermediate junction has the outlet pipe, and the outlet pipe wraps up and communicates the collector pipe top, and the top cap still is connected with the inlet tube, and the inside wall annular sheet that is provided with of top cap cuts off the annular sheet and the top of inner shell body tightly, and the inlet tube is with the space intercommunication that cuts off the annular sheet and enclose, and the top cap still is connected with the drain pipe, regional intercommunication between drain pipe and top cap circumference lateral wall and the wall annular sheet.
Optionally, inner shell bottom threaded connection has the underframe board, and underframe board and RO membrane body bottom butt are plugged into the RO membrane body inside and collector tube bottom butt.
Optionally, a part of the water inlet pipe below the top cover is in threaded connection with a top frame plate, and the top frame plate is in butt joint with the top end of the RO membrane body.
Optionally, the water inlet pipe, the water outlet pipe and the water outlet pipe are all positioned on a straight line on the top cover, and the partition ring plate is obliquely arranged downwards in the direction of the edge of the top cover from a part close to the inner top wall of the top cover.
Optionally, a limit ring groove is formed in the bottom of the peripheral outer wall of the outer shell, and the grid plate is abutted with the inner top wall of the limit ring groove;
The bottom wall in the bottom cover is fixedly provided with a plurality of compacting plates at the position opposite to the inner shell, and the compacting plates are abutted with the bottom end of the inner shell and tightly push the grid plate to the inner top wall of the limit ring groove.
Optionally, the limit ring groove is provided with a limit groove for the grid plate to be abutted.
Optionally, a handle structure is arranged at the bottom of the bottom cover.
In summary, the present application includes at least one of the following beneficial technical effects:
Through the arrangement of the inner shell and the outer shell and the arrangement of the top cover, the water inlet pipe, the water outlet pipe and the water outlet pipe can be concentrated on the top cover together, so that water pipe connection is changed into the same end, the water purifier is convenient to install, and meanwhile, the water purifier is simpler in waterway design, so that the water purifier is convenient to miniaturize and improve;
The arrangement of the grid plates not only can provide a channel for concentrated water flowing out from the bottom end of the RO membrane body to the top cover through the space between the grid plates, but also can improve the installation firmness of the inner shell body through matching with the bottom cover.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present application;
Fig. 2 is a partial cross-sectional view showing the internal structure of the cartridge.
In the figure, 1, an outer shell; 11. a limit ring groove; 12. a limit groove; 2. an inner housing; 21. a grid plate; 22. a bottom frame plate; 3. RO membrane body; 4. a water collecting pipe; 5. a top cover; 51. a water inlet pipe; 52. a water outlet pipe; 521. a top frame plate; 53. a drain pipe; 54. a partition ring plate; 6. a bottom cover; 61. and a compacting plate.
Detailed Description
The application is described in further detail below with reference to fig. 1-2.
The embodiment of the application discloses a unidirectional RO reverse osmosis membrane filter element.
Referring to fig. 1 and 2, the unidirectional RO membrane cartridge comprises an outer housing 1, an inner housing 2, a RO membrane body 3, a water collection pipe 4, a top cover 5 and a bottom cover 6. The outer wall of the inner shell 2 in the circumferential direction is fixedly provided with a plurality of grid plates 21, and the grid plates 21 are distributed at equal intervals in the circumferential direction by taking the central axis of the inner shell 2 as the center. The circumferential outer wall of the outer shell 1 is provided with a limiting ring groove 11 upwards from the bottom end, and the position of the inner wall of the limiting ring groove 11, which is opposite to the grid plate 21, is provided with a limiting groove 12. The inner case 2 is positioned in the outer case 1, and the grid plate 21 is abutted against the limit groove 12 and can be abutted against the limit ring groove 11. The bottom cover 6 lock is fixed in outer casing 1 bottom, and a plurality of hold-down plates 61 have been set firmly to bottom 6 inner roof, and hold-down plates 61 support tightly with inner casing 2 bottom, and then make grid plate 21 support tightly with spacing annular 11 inner roof. The bottom end of the bottom cover 6 is also provided with a handle structure.
The RO membrane body 3 is a cylindrical filter material formed by rolling an RO reverse osmosis membrane and is positioned in the inner shell 2. The water collecting pipe 4 is inserted into the RO membrane body 3, and water filtered by the RO membrane body 3 can enter the water collecting pipe 4. The bottom end of the water collecting pipe 4 does not extend out of the RO membrane body 3 and is sealed. The bottom of the inner shell 2 is connected with a bottom frame plate 22 in a threaded manner, and the bottom frame plate 22 is abutted with the bottom end of the RO membrane body 3 and plugged into the RO membrane body 3 to be abutted with the bottom end of the water collecting pipe 4.
The top cover 5 is fastened and fixed at the top end of the outer shell 1, the middle position is connected with the water outlet pipe 52, the water outlet pipe 52 extends downwards to the lower part of the top cover 5 and wraps the top end of the water collecting pipe 4, and the water outlet pipe 52 is communicated with the water collecting pipe 4. The bottom of the peripheral outer wall of the water outlet pipe 52 is connected with a top frame plate 521 in a threaded manner, and the top frame plate 521 is tightly pressed with the top end of the RO membrane body 3. The top cover 5 is also connected with a water inlet pipe 51, the water inlet pipe 51 is positioned at one side of the water outlet pipe 52, the inner top wall of the top cover 5 is provided with a partition ring plate 54, and the bottom end of the partition ring plate 54 is buckled and tightly propped against the top end of the inner shell 2. The water inlet pipe 51 communicates with the space surrounded by the partition ring plate 54. The partition ring plate 54 is provided obliquely downward from a portion near the inner top wall of the top cover 5 to the edge of the top cover 5. The cover body is also connected with a drain pipe 53, and the drain pipe 53 is communicated with the space between the partition ring plate 54 and the side wall of the top cover 5. The drain pipe 53, the outlet pipe 52 and the inlet pipe 51 are all positioned on the same straight line.
The water enters the area surrounded by the partition ring plate 54 through the water inlet pipe 51 and flows towards the RO membrane body 3, and in the process of passing through the RO membrane body 3, the filtered water moves into the water collecting pipe 4 and flows towards the water outlet pipe 52 through the water collecting pipe 4 to be discharged. The concentrated water that has not been filtered by the RO membrane body 3 flows out from the bottom end of the RO membrane body 3 and flows along the space between the inner housing 2 and the outer housing 1 toward the area between the side wall of the top cover 5 and the partition ring plate 54, and is discharged from the drain pipe 53. And then realized inlet tube 51, outlet pipe 52 and drain pipe 53 at the setting of filter core same one end, and then can make water purifier water piping connection more concentrated to conveniently realize the miniaturized improvement of water purifier.
When the filter element is installed, the handle structure of the bottom cover 6 can be pulled to drive the filter element to move and be inserted into the corresponding pipe orifice, so that the connection efficiency is improved. The arrangement of the grid plate 21 can effectively provide a channel for discharging concentrated water passing through the RO membrane body 3, and can also cooperate with the limit ring groove 11 and the limit groove 12 to improve the installation firmness of the inner shell 2. The arrangement of the top frame plate 521 and the bottom frame plate 22 can also effectively improve the installation stability of the RO membrane body 3. The arrangement of the partition ring plate 54 not only partitions the area of the top cover 5 after the fastening and mounting into a plurality of spaces, but also can improve the efficiency of draining the concentrated water from the drain pipe 53 by the inclined arrangement.
The implementation principle of the unidirectional RO reverse osmosis membrane filter element provided by the embodiment of the application is as follows: after entering the space surrounded by the partition ring plate 54 from the water inlet pipe 51, the water flows downwards by the RO membrane body 3, wherein the filtered water enters the water collecting pipe 4 and is discharged through the water outlet pipe 52; after the unfiltered concentrated water flows out from the bottom of the RO membrane body 3, it flows to the top cover 5 through the space between the inner and outer cases 2 and 1, and is discharged from the drain pipe 53. Through the RO reverse osmosis membrane filter element that this kind of structure set up, realized that the mouth of pipe is at the concentrated setting of same one end, not only convenient pipe connection in the water purifier can also make the pipeline design in the water purifier concentrate, and then make things convenient for the water purifier to realize miniaturized improvement.
The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (7)

1. A unidirectional RO reverse osmosis membrane filter core, characterized in that: comprising
An outer case (1);
the inner shell (2) is fixedly provided with a plurality of grid plates (21) on the peripheral outer wall, the grid plates (21) are positioned in the outer shell (1), and the grid plates are abutted with the inner wall of the outer shell (1);
The RO membrane body (3) is a cylindrical filter material formed by curling an RO reverse osmosis membrane and is positioned in the inner shell (2);
The water collecting pipe (4) is inserted into the RO membrane body (3), water passing through the RO membrane body (3) can enter the water collecting pipe (4), and the bottom end does not extend out of the RO membrane body (3) and is sealed;
The bottom cover (6) is buckled and fixed at the bottom end of the outer shell (1);
Top cap (5), the lock is fixed on shell body (1) top, the intermediate junction has outlet pipe (52), outlet pipe (52) are to collector tube (4) top parcel and intercommunication, top cap (5) still are connected with inlet tube (51), inside partition ring board (54) that are provided with of top cap (5), partition ring board (54) are tight with inner shell body (2) top, inlet tube (51) and partition ring board (54) enclose the space intercommunication, top cap (5) still are connected with drain pipe (53), regional intercommunication between drain pipe (53) and top cap (5) circumference lateral wall and partition ring board (54).
2. The unidirectional RO membrane cartridge of claim 1, wherein: the bottom of the inner shell (2) is connected with a bottom frame plate (22) in a threaded manner, and the bottom frame plate (22) is abutted with the bottom end of the RO membrane body (3) and plugged into the RO membrane body (3) to be abutted with the bottom end of the water collecting pipe (4).
3. The unidirectional RO membrane cartridge of claim 1, wherein: a top frame plate (521) is connected with a part of the water inlet pipe (51) below the top cover (5) in a threaded manner, and the top frame plate (521) is abutted with the top end of the RO membrane body (3).
4. The unidirectional RO membrane cartridge of claim 1, wherein: the water inlet pipe (51), the water outlet pipe (52) and the water outlet pipe (53) are all positioned on the top cover (5) in a straight line, and the partition ring plate (54) is obliquely arranged downwards in the direction of the edge of the top cover (5) from the part close to the inner top wall of the top cover (5).
5. The unidirectional RO membrane cartridge of claim 1, wherein: a limit ring groove (11) is formed in the bottom of the circumferential outer wall of the outer shell (1), and a grid plate (21) is abutted with the inner top wall of the limit ring groove (11);
The bottom wall in the bottom cover (6) is fixedly provided with a plurality of compacting plates (61) at positions opposite to the inner shell (2), and the compacting plates (61) are abutted with the bottom end of the inner shell (2) and tightly push the grid plate (21) towards the inner top wall of the limit ring groove (11).
6. A unidirectional RO membrane cartridge as claimed in claim 5 wherein: the limit ring groove (11) is provided with a limit groove (12) for the grid plate (21) to be abutted.
7. The unidirectional RO membrane cartridge of claim 1, wherein: the bottom of the bottom cover (6) is provided with a handle structure.
CN202323225835.0U 2023-11-29 Unidirectional RO reverse osmosis membrane filter core Active CN221319521U (en)

Publications (1)

Publication Number Publication Date
CN221319521U true CN221319521U (en) 2024-07-12

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