CN210214878U - Water treatment reverse osmosis device - Google Patents
Water treatment reverse osmosis device Download PDFInfo
- Publication number
- CN210214878U CN210214878U CN201920554803.XU CN201920554803U CN210214878U CN 210214878 U CN210214878 U CN 210214878U CN 201920554803 U CN201920554803 U CN 201920554803U CN 210214878 U CN210214878 U CN 210214878U
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- CN
- China
- Prior art keywords
- reverse osmosis
- annular groove
- osmosis membrane
- shell
- membrane shell
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a water treatment reverse osmosis device, which comprises a reverse osmosis membrane shell, wherein a reverse osmosis filter element is arranged in the reverse osmosis membrane shell, an end cover is arranged at the front end of the reverse osmosis membrane shell, a purified water outlet is arranged at the rear end of the reverse osmosis membrane shell, a water inlet is arranged at the front part of the reverse osmosis membrane shell, and a sealing connection mechanism is arranged between the end cover and the reverse osmosis membrane shell; sealing connection mechanism is including establishing the side annular groove at the cylindric shell outer peripheral face, be equipped with the preceding annular groove with side annular groove intercommunication on the preceding terminal surface of cylindric shell, preceding annular groove and side annular groove communicate each other, movable mounting has the section of thick bamboo of pushing down that can the ring channel back-and-forth movement in the front, the front end of cylindric shell is equipped with the external screw thread, the end cover be equipped with thread fit's internal thread, the elastic seal circle is installed to the side annular groove, be convenient for carry out the installation and the dismantlement of end cover through thread fit, it can make elastic seal circle's sealed effect more reliable to push down a section of thick.
Description
Technical Field
The utility model relates to a water treatment reverse osmosis unit.
Background
Reverse osmosis is a membrane separation technique that uses pressure as a driving force by virtue of the function of a permselective (semi-permeable) membrane, when the pressure applied in the system is greater than the osmotic pressure of an inlet water solution, water molecules continuously permeate the membrane, flow into a central tube through a water production flow channel, then impurities in outlet water at one end, such as ions, organic matters, bacteria, viruses and the like, are trapped at the inlet side of the membrane, and then flow out at the outlet end of concentrated water, thereby achieving the purpose of separation and purification.
Among the prior art, after using a period, need often wash the reverse osmosis membrane of installing in the reverse osmosis membrane shell, just so need often the dismouting install the end cover at the reverse osmosis membrane shell, the locking mode of reverse osmosis membrane shell end cover includes among the prior art: the clamp locking, the clamp spring locking, the clamping piece locking, the bolt locking and other locking modes have the disadvantages of troublesome disassembly and assembly, very low efficiency and high labor cost when cleaning operation is carried out.
SUMMERY OF THE UTILITY MODEL
In order to compensate the above deficiency the utility model provides a be convenient for carry out reflection osmotic membrane and wash, reverse osmosis membrane shell and end cover installation are firm reliable, the water treatment reverse osmosis unit that sealing performance is good moreover.
The technical scheme of the utility model is that: a water treatment reverse osmosis device comprises a reverse osmosis membrane shell, wherein a reverse osmosis filter element is arranged in the reverse osmosis membrane shell, an end cover is arranged at the front end of the reverse osmosis membrane shell, a purified water outlet is formed in the rear end of the reverse osmosis membrane shell, the reverse osmosis filter element comprises a cylindrical shell, a central tube is arranged in the middle of the cylindrical shell, a water collecting hole is formed in the outer peripheral surface of the central tube, a reverse osmosis membrane is wound outside the central tube, an isolation sealing ring is arranged between the cylindrical shell and the reverse osmosis membrane shell, a water inlet is formed in the front of the reverse osmosis membrane shell, and a sealing connection mechanism is arranged between the end cover and the reverse osmosis; the sealing connection mechanism comprises a side annular groove arranged on the outer peripheral surface of the cylindrical shell, a front annular groove communicated with the side annular groove is formed in the front end surface of the cylindrical shell, the front annular groove and the side annular groove are communicated with each other, a pressing cylinder capable of moving back and forth in the front annular groove is movably mounted in the front annular groove, external threads are formed in the front end of the cylindrical shell, an end cover is provided with internal threads matched with the external threads, and an elastic sealing ring is mounted in the side annular groove.
Preferably, a gap is provided between a front end of an inner peripheral surface of the elastic seal ring and an inner peripheral surface of the front annular groove.
Preferably, an insertion tube is provided at a rear end of the pressing tube to be inserted into a gap between a front end of the inner peripheral surface of the elastic seal ring and the annular bottom surface of the side annular groove.
As a preferred technical scheme, the outer end opening of the water collecting hole is in a trumpet shape.
Preferably, the lower pressing cylinder is rotatably mounted on the end cover.
Preferably, the pressure reducing device further comprises an inner gasket disposed between the inner peripheral surface of the pressure reducing cylinder, the end cap and the front end surface of the cylindrical housing, and an outer gasket disposed between the outer peripheral surface of the pressure reducing cylinder, the end cap and the front end surface of the cylindrical housing.
By adopting the technical scheme, the water treatment reverse osmosis device comprises a reverse osmosis membrane shell, wherein a reverse osmosis filter element is arranged in the reverse osmosis membrane shell, an end cover is arranged at the front end of the reverse osmosis membrane shell, a purified water outlet is arranged at the rear end of the reverse osmosis membrane shell, the reverse osmosis filter element comprises a cylindrical shell, a central tube is arranged in the middle of the cylindrical shell, a water collecting hole is formed in the outer peripheral surface of the central tube, a reverse osmosis membrane is wound outside the central tube, an isolation sealing ring is arranged between the cylindrical shell and the reverse osmosis membrane shell, a water inlet is formed in the front of the reverse osmosis membrane shell, and a sealing connection mechanism is arranged between the end cover and the reverse osmosis membrane; the sealing connection mechanism comprises a side annular groove arranged on the outer peripheral surface of the cylindrical shell, a front annular groove communicated with the side annular groove is arranged on the front end surface of the cylindrical shell, the front annular groove and the side annular groove are communicated with each other, a pressing cylinder capable of moving back and forth in the front annular groove is movably arranged in the front annular groove, an external thread is arranged at the front end of the cylindrical shell, an internal thread matched with the external thread is arranged on the end cover, and an elastic sealing ring is arranged in the side annular groove; the end cover is screwed tightly on the cylindrical shell, the end cover drives the pressing barrel to extrude the elastic sealing ring, so that the outer peripheral surface of the elastic sealing ring is tightly attached to the inner peripheral surface of the end cover, the cylindrical shell is connected with the end cover in a sealing mode, the end cover is convenient to mount and dismount through thread fit, the pressing barrel extrudes the elastic sealing ring to enable the sealing effect of the elastic sealing ring to be more reliable, and a plurality of side annular grooves communicated with the front annular groove can be formed in the cylindrical shell to further enhance the sealing effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at I;
fig. 3 is a schematic structural diagram of the center tube of the present invention.
Detailed Description
As shown in fig. 1 to 2, a water treatment reverse osmosis device comprises a reverse osmosis membrane shell 1, a reverse osmosis filter element 2 is arranged in the reverse osmosis membrane shell 1, the front end of the reverse osmosis membrane shell 1 is provided with an end cover 3, the rear end of the reverse osmosis membrane shell 1 is provided with a purified water outlet 4, the reverse osmosis filter element comprises a cylindrical shell 5, the middle part of the cylindrical shell 5 is provided with a central tube 6, the outer peripheral surface of the central tube 6 is provided with a water collecting hole 7, a reverse osmosis membrane is wound outside the central tube 6, an isolation sealing ring 8 is arranged between the cylindrical shell 5 and the reverse osmosis membrane shell, the isolation sealing ring separates the inner cavity of the reverse osmosis membrane shell into a water inlet cavity and a waste water cavity, the front part of the reverse osmosis membrane shell is provided with a water inlet 9 which is communicated with the water inlet cavity, and a sealing connection mechanism is arranged between the end cover 3 and the reverse osmosis membrane shell 1; the sealing connection mechanism comprises a side annular groove 10 arranged on the outer peripheral surface of the cylindrical shell 5, a front annular groove 11 communicated with the side annular groove 10 is arranged on the front end surface of the cylindrical shell, the front annular groove 11 is communicated with the side annular groove 10, a pressing barrel 12 capable of moving back and forth in the front annular groove is movably arranged in the front annular groove 11, an external thread is arranged at the front end of the cylindrical shell 5, an internal thread matched with the external thread is arranged on the end cover 3, and an elastic sealing ring 13 is arranged in the side annular groove 10. The end cover is screwed tightly on the cylindrical shell, the end cover drives the pressing barrel to extrude the elastic sealing ring, so that the outer peripheral surface of the elastic sealing ring is tightly attached to the inner peripheral surface of the end cover, the cylindrical shell is connected with the end cover in a sealing mode, the end cover is convenient to mount and dismount through thread fit, the pressing barrel extrudes the elastic sealing ring to enable the sealing effect of the elastic sealing ring to be more reliable, and a plurality of side annular grooves communicated with the front annular groove can be formed in the cylindrical shell to further enhance the sealing effect.
In order to facilitate the pressing cylinder to enter the combining surface of the elastic sealing ring and the side annular groove, because the pressing cylinder is inserted from the front end of the inner circumferential surface of the elastic sealing ring, a gap is arranged between the front end of the inner circumferential surface of the elastic sealing ring 13 and the inner circumferential surface of the front annular groove 11.
The rear end of the pressing cylinder 12 is provided with an insertion cylinder 15 which can be inserted into a gap between the front end of the inner peripheral surface of the elastic seal ring 10 and the annular bottom surface of the side annular groove.
As shown in fig. 3, the outer end of the water collecting hole 7 is flared in order to collect water.
The lower pressing cylinder 12 is rotatably mounted on the end cover 3. So that the end cap and the push-down cylinder can freely rotate relatively.
And an inner seal 16 provided between the inner peripheral surface of the lower pressure cylinder 12, the end cap 3 and the front end surface of the cylindrical housing 5. And an outer seal gasket 17 provided between the outer peripheral surface of the push-down cylinder 12, the end cap 3, and the front end surface of the cylindrical housing 5. The inner gasket 16 and the outer gasket are effective to effect sealing between the hold-down tube, the end cap and the tubular housing.
The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A water treatment reverse osmosis device is characterized by comprising a reverse osmosis membrane shell, wherein a reverse osmosis filter element is arranged in the reverse osmosis membrane shell, an end cover is arranged at the front end of the reverse osmosis membrane shell, a purified water outlet is arranged at the rear end of the reverse osmosis membrane shell, the reverse osmosis filter element comprises a cylindrical shell, a central tube is arranged in the middle of the cylindrical shell, a water collecting hole is formed in the outer peripheral surface of the central tube, a reverse osmosis membrane is wound outside the central tube, an isolation sealing ring is arranged between the cylindrical shell and the reverse osmosis membrane shell, a water inlet is formed in the front of the reverse osmosis membrane shell, and a sealing connection mechanism is arranged between the end cover and the reverse osmosis membrane; the sealing connection mechanism comprises a side annular groove arranged on the outer peripheral surface of the cylindrical shell, a front annular groove communicated with the side annular groove is formed in the front end surface of the cylindrical shell, the front annular groove and the side annular groove are communicated with each other, a pressing cylinder capable of moving back and forth in the front annular groove is movably mounted in the front annular groove, external threads are formed in the front end of the cylindrical shell, an end cover is provided with internal threads matched with the external threads, and an elastic sealing ring is mounted in the side annular groove.
2. The reverse osmosis apparatus for water treatment according to claim 1, wherein a gap is provided between a front end of an inner peripheral surface of the elastic packing and an inner peripheral surface of the front annular groove.
3. The water treatment reverse osmosis apparatus of claim 2, wherein the rear end of the lower pressure cylinder is provided with an insertion cylinder capable of being inserted into a gap between the front end of the inner circumferential surface of the elastic sealing ring and the annular bottom surface of the side annular groove.
4. The water treatment reverse osmosis apparatus of claim 1, wherein the outer end of the water collection well is flared.
5. The water treatment reverse osmosis apparatus of claim 3, wherein the hold-down drum is rotatably mounted on the end cap.
6. The water treatment reverse osmosis apparatus of claim 5, further comprising an inner gasket disposed between the inner peripheral surface of the hold-down tube, the end cap and the front end surface of the cylindrical housing, and an outer gasket disposed between the outer peripheral surface of the hold-down tube, the end cap and the front end surface of the cylindrical housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920554803.XU CN210214878U (en) | 2019-04-23 | 2019-04-23 | Water treatment reverse osmosis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920554803.XU CN210214878U (en) | 2019-04-23 | 2019-04-23 | Water treatment reverse osmosis device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210214878U true CN210214878U (en) | 2020-03-31 |
Family
ID=69923805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920554803.XU Expired - Fee Related CN210214878U (en) | 2019-04-23 | 2019-04-23 | Water treatment reverse osmosis device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210214878U (en) |
-
2019
- 2019-04-23 CN CN201920554803.XU patent/CN210214878U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200331 |
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| CF01 | Termination of patent right due to non-payment of annual fee |