CN111760458A - Surface type reverse osmosis membrane filter element - Google Patents
Surface type reverse osmosis membrane filter element Download PDFInfo
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- CN111760458A CN111760458A CN202010605786.5A CN202010605786A CN111760458A CN 111760458 A CN111760458 A CN 111760458A CN 202010605786 A CN202010605786 A CN 202010605786A CN 111760458 A CN111760458 A CN 111760458A
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- reverse osmosis
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- 239000012528 membrane Substances 0.000 title claims abstract description 137
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 32
- 230000006835 compression Effects 0.000 claims abstract description 29
- 238000007906 compression Methods 0.000 claims abstract description 29
- 230000000670 limiting effect Effects 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 18
- 238000007789 sealing Methods 0.000 abstract description 4
- 230000003204 osmotic effect Effects 0.000 description 49
- 230000000694 effects Effects 0.000 description 18
- 238000012856 packing Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 230000008093 supporting effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/08—Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/10—Accessories; Auxiliary operations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
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- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to the technical field of reverse osmosis membranes, in particular to a surface type reverse osmosis membrane filter element which comprises a first shell and a second shell, wherein the second shell is rotatably connected with the first shell through a rotating shaft, a limiting ring is arranged in the first shell, a central shaft of the limiting ring is elastically connected with the first shell through a return strip disc, an arc-shaped groove is formed in the limiting ring, one side, far away from a first compression spring, of an arc-shaped fixture block is provided with a clamping groove, and the clamping groove is clamped with the clamping groove formed in the limiting ring. According to the permeable membrane fixing device, due to the fact that the clamping groove and the arc-shaped clamping block are clamped, the two sides of the permeable membrane are conveniently clamped, due to the fact that the two limiting rings are used for fixing the two sides of the permeable membrane, the permeable membrane is straightened, the permeable membrane is convenient to use, meanwhile due to the fact that the second pressing plate is in sliding connection with the chute, automatic sealing is achieved when water pressure is too high, and damage to the permeable membrane is avoided.
Description
Technical Field
The invention relates to the technical field of reverse osmosis membranes, in particular to a surface type reverse osmosis membrane filter element.
Background
In general, water flows from a low concentration to a high concentration, and after the water is pressurized, the water flows from the high concentration to the low concentration, i.e., the so-called reverse osmosis principle: the aperture of the reverse osmosis membrane is one million of hair, so that the hair can not be seen by naked eyes, bacteria and viruses are 5000 times of the hair, only water molecules and partial mineral ions can pass through the reverse osmosis membrane, other impurities and heavy metals are discharged by a waste water pipe, all the seawater desalination processes and spaceman waste water recovery treatment adopt the method, and therefore the reverse osmosis membrane is also called an external high-tech 'artificial kidney', and top-grade reverse osmosis membranes are adopted for high-molecular filtration in domestic and foreign fields, medical science, military and civil fields.
The permeable membrane is widely applied at present, however, the following defects occur in the use process of the reverse osmosis membrane filter element, firstly, the permeable membrane in the reverse osmosis membrane filter element is difficult to fix; secondly, the filter element is pressed to leak water after being fixed; finally, excessive water pressure can damage the osmotic membrane.
Disclosure of Invention
The invention aims to: the surface type reverse osmosis membrane filter element is provided in order to solve the problems that the reverse osmosis membrane filter element is difficult to fix, is pressed to leak water and the water pressure damages the permeable membrane.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a surperficial formula reverse osmosis membrane filter core, includes first casing and rotates the second casing of being connected through pivot and first casing, the inside spacing collar that is provided with of first casing, and spacing collar center pin department through going back to forward a dish and first casing elastic connection, the arc wall has been seted up to spacing collar inside, and the inside sliding connection of arc wall has the arc fixture block to terminal surface is through terminal surface elastic connection under first compression spring and the arc fixture block under the arc inner chamber, the draw-in groove has been seted up to one side that first compression spring was kept away from to the arc fixture block, and the draw-in groove joint that the draw-in groove was seted up with spacing collar inside. When the reverse osmosis membrane filter element works, the osmotic membrane in the reverse osmosis membrane filter element is difficult to fix, so that the outer surface wall of the arc-shaped fixture block penetrates through the outer surface wall of the limiting ring, the arc-shaped fixture block is rotated to enable the first compression spring to be compressed, the osmotic membrane extends into the limiting ring at the moment, the arc-shaped fixture block is released at the same time, the first compression spring pushes the arc-shaped fixture block to move towards the clamping grooves, the osmotic membrane is pressed by the two clamping grooves, and the installation of the osmotic membrane; secondly, make the spacing collar rotate through the gyration clockwork spring dish to make the spacing collar drive the osmotic membrane and rotate at the spacing collar exterior wall, simultaneously because two spacing collars are simultaneously with two upper and lower directions of osmotic membrane curl up simultaneously, thereby make the osmotic membrane flare-out, conveniently keep leveling of osmotic membrane, thereby realized the effective fixation to the osmotic membrane, thereby the use of the osmotic membrane of being convenient for improves the result of use.
As an embodiment of the present invention, a second pressing plate is disposed inside the first casing, a gasket is welded on a side of the second pressing plate close to the second casing, and a gasket is welded on a side of the second casing close to the second pressing plate. During operation, under the cooperation jointly of spacing collar and arc fixture block, fix osmotic membrane both sides for the osmotic membrane keeps leveling, rotates first casing and second casing through the pivot this moment, makes one side that four packing rings are close to mutually block the osmotic membrane, pushes down whole osmotic membrane, utilizes the packing ring to the osmotic membrane in other two ascending fixes of other directions, has realized that the osmotic membrane can not leak when using, improves the result of use.
Preferably, a group of grooves are formed in one side surface of the second pressing plate close to the second shell, and through holes are formed in the gasket corresponding to the grooves; a jacking module is arranged in the groove; the jacking module comprises a jacking block, a connecting spring and an elastic layer; the groove is internally and slidably connected with an ejector block; the lower end face of the inner cavity of the groove is elastically connected with the lower surface of the top block through a connecting spring; the upper surface of the top block is arranged into a streamline shape; the inner wall of the through hole is connected with an elastic layer; the elastic layer can be arched and deformed upwards under the extrusion of the top block. The during operation, connecting spring can be with kicking block jack-up under the elasticity effect of self during initial condition, thereby make the kicking block with the elastic layer jack-up of top, make the elastic layer arch warp, because the upper surface of kicking block sets up the streamline type, thereby can be at the in-process of extrusion elastic layer, avoid sharp-pointed department to burst the elastic layer, when two packing rings are close to and extrude the osmotic membrane mutually, can extrude elastic layer arch department, thereby flatten the elastic layer, this moment under connecting spring's elasticity supporting role, there is the power of a desire rebound, thereby can carry out better fixed to the osmotic membrane of this department, increase the clamp force of contact department, holistic centre gripping effect has been improved.
Preferably, at least three grooves are formed, and the grooves correspond to the jacking modules one by one; a group of strip-shaped grooves are formed in one side surface, close to the two gaskets, of each gasket; elastic convex particles are arranged on the upper surface of the elastic layer. During operation, through the setting in bar type groove, roughness between the packing ring has been increased, when pressing from both sides tight to the osmotic membrane, can be so that osmotic membrane local deformation is by the centre gripping in bar type groove to increased the clamp force, made the clamping effect of osmotic membrane better, and the elastic bulge grain that the elastic layer upper surface set up can increase relative frictional force, makes the frictional force grow between elastic layer and the osmotic membrane, further reinforcing clamping effect.
Preferably, the distribution direction of the strip-shaped grooves is consistent with the axial direction of the central shaft of the limiting ring; the grooves on the second pressure plate and the grooves on the second shell are distributed in a staggered mode. During operation, the direction of the strip-shaped groove is consistent, the permeable membrane can be clamped conveniently, and the grooves distributed in a staggered mode can enable the jacking module in each groove to form an occluded effect when the permeable membrane is clamped, so that the clamping effect is further improved.
Preferably, the joint has the osmotic membrane between arc fixture block and the draw-in groove, the spacing collar is provided with two altogether, connect through the osmotic membrane transmission between two spacing collars, laminate with two side table walls of osmotic membrane between two packing rings.
Preferably, one side of the second shell, which is close to the gasket, is symmetrically provided with second sliding grooves about a vertical surface center shaft, two first sliding blocks are connected inside the second sliding grooves in a sliding mode, the lower end faces of the two first sliding blocks are respectively connected with two transmission rods in a rotating mode through rotating shafts, and one sides of the two transmission rods, which are close to the vertical surface center shaft, are welded with the first pressing plate. When the filter element is used, pressure difference is generated on two sides of the first sliding block, so that the first sliding block moves towards the first chute, meanwhile, the second compression spring keeps the first sliding block balanced, when the filter element is subjected to overlarge pressure, the first sliding block drives the first pressing plate to move towards the chute, so that the chute is clamped by the first pressing plate, the permeable membrane is protected, and the permeable membrane is prevented from being damaged
Preferably, a first sliding groove is formed in the side surface wall of the second sliding groove, the direction of the first sliding groove is the same as that of the second sliding groove, a second sliding block is connected inside the first sliding groove in a sliding mode, a second compression spring is arranged on the side surface wall of the second sliding block, and one side, close to the second sliding block, of the first sliding block is elastically connected with one side, close to the first sliding block, of the first sliding groove through the second compression spring. The during operation has adopted the sliding connection between first slider and the second spout, has realized having realized again owing to adopted the limiting displacement of second compression spring to first slider, has realized that lower water pressure can not promote the too big motion of first slider, owing to adopt the sliding connection between second clamp plate and the spout, has realized that water pressure is too big time self-sealing, avoids haring the osmotic membrane.
Preferably, one side of the second shell, which is close to the first pressure plate, is symmetrically provided with two inclined grooves about a central axis of a vertical surface, and the two inclined grooves are elastically connected with the first pressure plate.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. in the invention, the arc-shaped sliding block is connected with the arc-shaped groove in a sliding manner, so that the first compression spring is compressed by rotating the arc-shaped clamping block, the arc-shaped clamping block is pushed by the first compression spring to move towards the clamping groove by adopting the elastic connection between the first compression spring and the arc-shaped clamping block, and meanwhile, the two sides of the permeable membrane are conveniently clamped by adopting the clamping between the clamping groove and the arc-shaped clamping block.
2. According to the invention, the elastic connection of the rotary spring plate to the limiting rings is adopted, so that the permeable membrane is fixed through the limiting rings, the two limiting rings are adopted to fix the two sides of the permeable membrane, so that the permeable membrane is straightened, the permeable membrane is convenient to use, and meanwhile, the washers are adopted to fix the permeable membrane in the other two directions, so that the permeable membrane is prevented from water leakage when in use.
3. According to the invention, the sliding connection between the first sliding block and the second sliding groove is adopted, so that the detection of the water pressure at two sides of the permeable membrane is realized, the limiting effect of the second compression spring on the first sliding block is adopted, so that the first sliding block cannot be pushed to move excessively under lower water pressure, and meanwhile, the sliding connection between the second pressing plate and the sliding groove is adopted, so that the automatic sealing is realized when the water pressure is excessively high, and the permeable membrane is prevented from being damaged.
4. According to the invention, when the two gaskets are close to each other to extrude the permeable membrane, the arched part of the elastic layer is extruded, so that the elastic layer is flattened, and at the moment, under the elastic supporting action of the connecting spring, a force to be rebounded exists, so that the permeable membrane at the position can be better fixed, the clamping force at the contact part is increased, and the overall clamping effect is improved.
Drawings
FIG. 1 is a schematic cross-sectional view of the main structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the inner structure of the spacing collar of the present invention;
FIG. 3 is a schematic cross-sectional view of the inner structure of the spacing collar of the present invention;
FIG. 4 is an enlarged view of a portion A of FIG. 1;
FIG. 5 is a front view of the gasket;
illustration of the drawings:
1. a first housing; 2. a second housing; 3. a transmission rod; 4. a first platen; 5. a chute; 6. a gasket; 7. a permeable membrane; 8. a second platen; 9. a limiting ring; 10. a card slot; 11. forwarding the barrel; 12. an arc-shaped slot; 13. a first compression spring; 14. an arc-shaped fixture block; 15. a first slider; 16. a second compression spring; 17. a first chute; 18. a second slider; 19. a second chute; 20. a groove; 21. a top block; 22. a connecting spring; 23. an elastic layer; 24. a strip-shaped groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a surperficial formula reverse osmosis membrane filter core, includes first casing 1 and rotates the second casing 2 of being connected through pivot and first casing 1, 1 inside spacing collar 9 that is provided with of first casing, and spacing collar 9 center pin department through going back to forward a dish 11 and 1 elastic connection of first casing, arc 12 has been seted up to spacing collar 9 inside, and 12 inside sliding connection of arc have an arc fixture block 14 to terminal surface is through end surface elastic connection under first compression spring 13 and the arc fixture block 14 under the 12 inner chambers of arc, draw-in groove 10 has been seted up to one side that arc fixture block 14 kept away from first compression spring 13, and draw-in groove 10 and the inside draw-in groove 10 joint of seting up of spacing collar 9. When the reverse osmosis membrane filter element works, the osmosis membrane in the reverse osmosis membrane filter element is difficult to fix, so that the outer wall of the arc-shaped fixture block 14 penetrates through the outer wall of the limiting ring 9, the arc-shaped fixture block 14 is rotated to enable the first compression spring 13 to be compressed, the osmosis membrane 7 extends into the limiting ring 9 at the moment, and the arc-shaped fixture block 14 is released at the same time, so that the first compression spring 13 pushes the arc-shaped fixture block 14 to move towards the clamping grooves 10, the two clamping grooves 10 press the osmosis membrane 7, and the installation of the osmosis membrane 7 is; secondly, through the backward rotation barrel 11 make spacing collar 9 rotate, thereby make spacing collar 9 drive osmotic membrane 7 rotate at spacing collar 9 exterior wall, simultaneously by two spacing collars 9 will osmotic membrane 7 two upper and lower directions simultaneously curl up, thereby make osmotic membrane 7 straightened, conveniently keep osmotic membrane 7 level and smooth, thereby realized the effective fixation to osmotic membrane 7, thereby be convenient for osmotic membrane 7's use, improve the result of use.
In an embodiment of the present invention, a second pressing plate 8 is disposed inside the first casing 1, a gasket 6 is welded to a side of the second pressing plate 8 close to the second casing 2, and the gasket 6 is welded to a side of the second casing 2 close to the second pressing plate 8. The during operation, under spacing collar 9 and arc fixture block 14's cooperation jointly, fix osmotic membrane 7 both sides for osmotic membrane 7 keeps leveling, rotates first casing 1 and second casing 2 through the pivot this moment, makes one side that four packing rings 6 are close to mutually block osmotic membrane 7, pushes down whole osmotic membrane 7, utilizes packing ring 6 to 7 other two ascending fixes of orientation of osmotic membrane, has realized osmotic membrane 7 can not leak when using, improves the result of use.
As an embodiment of the present invention, a group of grooves 20 is formed on a side surface of the second pressing plate 8 close to the second casing 2, and a through hole is formed on the gasket 6 corresponding to the grooves 20; a jacking module is arranged in the groove 20; the jacking module comprises a jacking block 21, a connecting spring 22 and an elastic layer 23; the groove 20 is internally and slidably connected with a top block 21; the lower end face of the inner cavity of the groove 20 is elastically connected with the lower surface of the top block 21 through a connecting spring 22; the upper surface of the top block 21 is arranged in a streamline shape; the inner wall of the through hole is connected with an elastic layer 23; the elastic layer 23 can be deformed in an upward arching manner by being pressed by the top block 21. The during operation, connecting spring 22 can be with kicking block 21 jack-up under the elasticity effect of self during initial condition, thereby make kicking block 21 with the elastic layer 23 jack-up of top, make elastic layer 23 arch warp, because the upper surface of kicking block 21 sets up the streamline type, thereby can be at the in-process of extrusion elastic layer 23, avoid sharp-pointed department to burst elastic layer 23, when two packing rings 6 are close to penetrating film 7 and extrude, can extrude elastic layer 23 arch department, thereby flatten elastic layer 23, this moment under connecting spring 22's elasticity supporting role, there is a power of wanting the bounce, thereby can carry out better fixed to penetrating film 7 of this department, increase the clamp force of contact department, holistic clamping effect has been improved.
As an embodiment of the present invention, there are at least three grooves 20, and the grooves 20 correspond to the jacking modules one to one; a group of strip grooves 24 are formed on one side surface of the two gaskets 6 which are close to each other; elastic convex grains are arranged on the upper surface of the elastic layer 23. During operation, through the setting of strip type groove 24, roughness between the packing ring has been increased, when pressing from both sides tight osmotic membrane 7, can make osmotic membrane local deformation by the centre gripping in strip type groove 24 to increased the clamp force, made osmotic membrane 7's centre gripping effect better, and the elastic layer 23 goes up the protruding grain of elasticity that sets up and can increase relative frictional force, makes the frictional force grow between elastic layer 23 and the osmotic membrane, further reinforcing centre gripping effect.
As an embodiment of the present invention, the distribution direction of the strip-shaped grooves 24 is consistent with the axial direction of the central shaft of the spacing collar 9; the grooves 20 on the second pressing plate 8 and the grooves 20 on the second shell 2 are distributed in a staggered mode. During operation, the strip-shaped grooves 24 are consistent in direction, so that the permeable membrane 7 can be clamped conveniently, and the grooves 20 distributed in a staggered mode can enable the jacking modules in the grooves 20 to form an occlusion effect when the permeable membrane 7 is clamped, so that the clamping effect is further improved.
As an embodiment of the invention, two permeable membranes 7 are clamped between the arc-shaped fixture block 14 and the clamping groove 10, the two limiting rings 9 are arranged, the two limiting rings 9 are in transmission connection through the permeable membranes 7, and the two gaskets 6 are attached to two side surface walls of the permeable membranes 7.
As an embodiment of the invention, second sliding grooves 19 are symmetrically formed in one side of the second housing 2 close to the gasket 6 about a central axis of the vertical surface, first sliding blocks 15 are slidably connected inside the two second sliding grooves 19, two transmission rods 3 are rotatably connected to lower end surfaces of the two first sliding blocks 15 through rotating shafts respectively, and one sides of the two transmission rods 3 close to the central axis of the vertical surface are welded to the first pressing plate 4. When the filter element is used, pressure difference is generated on two sides of the first sliding block 15, the first sliding block 15 moves towards the first sliding groove 17, meanwhile, the second compression spring 16 enables the first sliding block 15 to keep balance, when the filter element is subjected to overlarge pressure, the first sliding block 15 drives the first pressing plate 4 to move towards the chute 5, the chute 5 is clamped by the first pressing plate 4, the permeable membrane 7 is protected, and the permeable membrane 7 is prevented from being damaged
In one embodiment of the present invention, a first sliding groove 17 is formed in a side surface wall of the second sliding groove 19, the first sliding groove 17 and the second sliding groove 19 are in the same direction, a second slider 18 is slidably connected to the inside of the first sliding groove 17, a second compression spring 16 is disposed on the side surface wall of the second slider 18, and a side of the first slider 15 close to the second slider 18 is elastically connected to a side of the first sliding groove 17 close to the first slider 15 through the second compression spring 16. During operation, adopted the sliding connection between 19 between first slider 15 and the second spout, realized 7 both sides hydraulic detection to the osmotic membrane, owing to adopted the limiting displacement of second compression spring 16 to first slider 15 again, realized that lower water pressure can not promote the too big motion of first slider 15, owing to adopt the sliding connection between second clamp plate 8 and the chute 5, realized that water pressure is too big time self-sealing, avoided haring osmotic membrane 7 simultaneously.
As an embodiment of the present invention, two inclined slots 5 are symmetrically formed on one side of the second casing 2 close to the first pressing plate 4 about a central axis of the vertical plane, and both the two inclined slots 5 are elastically connected to the first pressing plate 4.
When the reverse osmosis membrane filter element works, the osmosis membrane in the reverse osmosis membrane filter element is difficult to fix, so that the outer wall of the arc-shaped fixture block 14 penetrates through the outer wall of the limiting ring 9, the arc-shaped fixture block 14 is rotated to enable the first compression spring 13 to be compressed, the osmosis membrane 7 extends into the limiting ring 9 at the moment, and the arc-shaped fixture block 14 is released at the same time, so that the first compression spring 13 pushes the arc-shaped fixture block 14 to move towards the clamping grooves 10, the two clamping grooves 10 press the osmosis membrane 7, and the installation of the osmosis membrane 7 is; secondly, the limiting ring 9 is rotated through the forwarding strip disc 11, so that the limiting ring 9 drives the permeable membrane 7 to rotate on the outer surface wall of the limiting ring 9, and meanwhile, the two limiting rings 9 simultaneously roll up the upper direction and the lower direction of the permeable membrane 7 simultaneously, so that the permeable membrane 7 is straightened, the smoothness of the permeable membrane 7 is conveniently kept, the permeable membrane 7 is effectively fixed, the permeable membrane 7 is conveniently used, and the using effect is improved; under the cooperation of the limiting ring 9 and the arc-shaped clamping block 14, two sides of the permeable membrane 7 are fixed, so that the permeable membrane 7 is kept flat, at the moment, the first shell 1 and the second shell 2 are rotated through the rotating shaft, one sides, close to the four gaskets 6, of the four gaskets 6 clamp the permeable membrane 7, the whole permeable membrane 7 is pressed, and the gaskets 6 are used for fixing the permeable membrane 7 in the other two directions, so that the permeable membrane 7 cannot leak water when in use, and the use effect is improved;
meanwhile, in an initial state, the connecting spring 22 can jack the jacking block 21 under the action of the elasticity of the connecting spring 22, so that the jacking block 21 can jack the elastic layer 23 above the jacking block, the elastic layer 23 can be arched and deformed, and the upper surface of the jacking block 21 is in a streamline shape, so that the elastic layer 23 can be prevented from being broken at a sharp position in the process of extruding the elastic layer 23, when the two gaskets 6 are close to each other to extrude the permeable membrane 7, the arched position of the elastic layer 23 can be extruded, so that the elastic layer 23 can be flattened, and at the moment, under the elastic supporting action of the connecting spring 22, a force to be rebounded exists, so that the permeable membrane 7 at the position can be better fixed, the clamping force at the contact position can be increased, and the overall clamping effect can be improved; through the setting of strip type groove 24, roughness between the packing ring has been increased, when pressing from both sides tight osmotic membrane 7, can make osmotic membrane local deformation by the centre gripping in strip type groove 24 to increased the clamp force, made the clamping effect of osmotic membrane 7 better, and the elastic layer 23 goes up the protruding grain of elasticity that sets up and can increase relative frictional force, makes the frictional force grow between elastic layer 23 and the osmotic membrane, further reinforcing clamping effect.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The utility model provides a surface formula reverse osmosis membrane filter core, includes first casing (1) and rotates second casing (2) of being connected through pivot and first casing (1), its characterized in that, first casing (1) inside is provided with spacing collar (9), and spacing collar (9) center pin department through returning to forward a set of books (11) and first casing (1) elastic connection, arc wall (12) have been seted up to spacing collar (9) inside, and arc wall (12) inside sliding connection has arc fixture block (14) to end surface is through first compression spring (13) and arc fixture block (14) lower end surface elastic connection under arc wall (12) inner chamber, draw-in groove (10) have been seted up to one side that first compression spring (13) was kept away from in arc fixture block (14), and draw-in groove (10) and the inside draw-in groove (10) joint of seting up of spacing collar (9).
2. A surface type reverse osmosis membrane filter element according to claim 1, wherein a second pressing plate (8) is arranged inside the first shell (1), a gasket (6) is welded on one side, close to the second shell (2), of the second pressing plate (8), and the gasket (6) is welded on one side, close to the second pressing plate (8), of the second shell (2).
3. A surface type reverse osmosis membrane filter element according to claim 2, wherein a group of grooves (20) are formed on one side surface of the second pressing plate (8) close to the second shell (2), and through holes are formed on the gasket (6) corresponding to the grooves (20); a jacking module is arranged in the groove (20); the jacking module comprises a jacking block (21), a connecting spring (22) and an elastic layer (23); the groove (20) is internally and slidably connected with a top block (21); the lower end face of the inner cavity of the groove (20) is elastically connected with the lower surface of the top block (21) through a connecting spring (22); the upper surface of the top block (21) is arranged into a streamline shape; the inner wall of the through hole is connected with an elastic layer (23); the elastic layer (23) can be arched and deformed upwards under the extrusion of the top block (21).
4. A surface type reverse osmosis membrane cartridge according to claim 3, wherein the number of the grooves (20) is at least three, and the grooves (20) correspond to the jacking modules one by one; a group of strip-shaped grooves (24) are formed in one side face, close to the two gaskets (6); elastic convex grains are arranged on the upper surface of the elastic layer (23).
5. A surface type reverse osmosis membrane filter element according to claim 4, wherein the distribution direction of the strip-shaped grooves (24) is consistent with the axial direction of the central shaft of the spacing ring (9); the grooves (20) on the second pressure plate (8) and the grooves (20) on the second shell (2) are distributed in a staggered mode.
6. A surface type reverse osmosis membrane filter element according to claim 1, wherein two permeable membranes (7) are clamped between the arc-shaped clamping blocks (14) and the clamping grooves (10), the two limiting rings (9) are arranged, the two limiting rings (9) are in transmission connection through the permeable membranes (7), and the two gaskets (6) are attached to two side surface walls of the permeable membranes (7).
7. A surface type reverse osmosis membrane filter element according to claim 1, wherein one side of the second shell (2) close to the gasket (6) is symmetrically provided with second sliding grooves (19) about a central axis of a vertical surface, the two second sliding grooves (19) are internally and respectively connected with a first sliding block (15) in a sliding manner, the lower end surfaces of the two first sliding blocks (15) are respectively connected with two transmission rods (3) in a rotating manner through rotating shafts, and one sides of the two transmission rods (3) close to the central axis of the vertical surface are respectively welded with the first pressing plate (4).
8. A surface type reverse osmosis membrane filter element according to claim 7, wherein the second sliding groove (19) is provided with a first sliding groove (17) on the side surface wall, the direction of the first sliding groove (17) is the same as that of the second sliding groove (19), the first sliding groove (17) is connected with a second sliding block (18) in a sliding manner, the second sliding block (18) is provided with a second compression spring (16) on the side surface wall, and one side of the first sliding block (15) close to the second sliding block (18) is elastically connected with one side of the first sliding groove (17) close to the first sliding block (15) through the second compression spring (16).
9. A surface type reverse osmosis membrane filter element according to claim 1, wherein one side of the second shell (2) close to the first pressure plate (4) is symmetrically provided with two chutes (5) about a central axis of a vertical plane, and the two chutes (5) are elastically connected with the first pressure plate (4).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010605786.5A CN111760458A (en) | 2020-06-29 | 2020-06-29 | Surface type reverse osmosis membrane filter element |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010605786.5A CN111760458A (en) | 2020-06-29 | 2020-06-29 | Surface type reverse osmosis membrane filter element |
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| CN111760458A true CN111760458A (en) | 2020-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010605786.5A Pending CN111760458A (en) | 2020-06-29 | 2020-06-29 | Surface type reverse osmosis membrane filter element |
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