Simple filter element structure
Technical Field
The utility model relates to a water purification unit technical field, concretely relates to simple and easy type filter core structure.
Background
In the water purifier in the prior art, or a reverse osmosis filter element is applied for filtration, after the water purifier is shut down for a long time, water originally on a raw water side or a concentrated water side in the reverse osmosis filter element permeates to a pure water end of a membrane, and a solute with high TDS on the concentrated water side of the membrane permeates to the pure water side, so that the TDS of the pure water end is higher; when the water purifier discharges water again, the TDS exceeds the standard.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a simple filter element structure for overcoming the defects of the prior art.
The simple filter element structure comprises a shell with an inner cavity, wherein a raw water port, a pure water port and a waste water port which are communicated with the inner cavity are arranged on the shell; a filter assembly is arranged in the inner cavity and comprises a filter material module, and the filter material module comprises a central pipe and a reverse osmosis membrane layer arranged around the central pipe; the reverse osmosis membrane layer is provided with a raw water input end and a waste water output end; a water collecting part for guiding the collected wastewater is arranged at the position of the wastewater output end, and a one-way water guide structure for guiding the wastewater to be led out along a one-way direction away from the filter material module is arranged at the wastewater collecting end of the water collecting part; the raw water port is communicated with the raw water input end, the pure water port is communicated with the central pipe, and the wastewater output end is communicated with the wastewater port through the water collecting part and the one-way water guide structure to form guide for leading out wastewater in a one-way mode.
Furthermore, the water collecting part comprises a blocking piece which is sealed and pasted on the wastewater output end by using adhesive, and a water collecting hole is formed in the blocking piece to form the wastewater collecting end; the one-way water guide structure is connected to the water collecting hole.
Further, the water collecting part comprises a seat body, a mounting cavity used for being matched with the waste water output end in an assembling mode is arranged on the seat body, a water receiving port is formed in the bottom of the mounting cavity to form the waste water collecting end, and the one-way water guide structure is arranged on the water receiving port in an assembling mode.
Furthermore, the bottom in the installation cavity is provided with a plurality of supporting blocks for supporting the filter material module, and the upper surface side of each supporting block and the position of the water receiving port have a height difference.
Furthermore, the waste water output end is provided with a water collecting installation position for the sealing separation sheet or the base body to be assembled and disassembled in a unified standard.
Further, the one-way water guide structure can be arranged and applied as a one-way valve structure in the prior art.
Furthermore, the one-way water guide structure is a deformation water guide structure which can generate deformation change under the pressure of a water source; the deformed water guide structure guides the wastewater output by the wastewater output end to be led out along a direction away from the filter material module. The deformation change of the deformation water guide structure caused by the pressure of the water source is elastic deformation change.
Based on the condition that the one-way water guide structure is a deformed water guide structure, further, the deformed water guide structure comprises a sealing block which is arranged on the lower side of the water receiving port in a sealing mode; when falling into in the installation cavity when having the water source, the blocking piece upside receives to have the water source pressure of water receiving mouth position produces elastic deformation to the exhibition is shown the water receiving mouth is led this installation intracavity waste water to export to one-way.
Furthermore, the number of the water receiving ports is at least two, each water receiving port is arranged around a shaft, and the whole water receiving ports are arranged in a circular shape; the arrangement axis position of each water receiving port is provided with a mounting hole, the deformation water guide structure further comprises an assembling shaft matched with the mounting hole, and the sealing block is connected to the assembling shaft and arranged on the lower side of each water receiving port; the material of sealing the dog is the elasticity material, the external diameter of sealing the dog is greater than each the external diameter that the water receiving mouth arranged the position.
One side of each water receiving port, which is far away from the arrangement axis position of the water receiving port, is arranged in a trend of being far away from the installation cavity; the lower sides of the water receiving openings are integrally arranged in an arc arch shape; the sealing stop blocks are arranged in an arc shape to be matched and attached to the lower side positions of the water receiving openings.
On the other hand, the one-way water guide structure is an elastic water guide structure which can generate elastic activity under the pressure of a water source, and the activated elastic water guide structure guides the wastewater output by the wastewater output end to be led out away from the filter material module along a single direction.
Furthermore, the elastic water guide structure comprises a valve body, and the valve body comprises a liquid inlet and a liquid outlet; the valve body is internally provided with a valve cavity communicated with the liquid inlet and the liquid outlet, a water retaining block used for closing the liquid inlet is arranged in the valve cavity, a spring is arranged between the water retaining block and the liquid outlet, and the spring applies reset elasticity towards the liquid inlet to the water retaining block.
Based on the condition that the one-way water guide structure is an elastic water guide structure, a valve mounting part is arranged at the bottom side of the seat body in an extending mode, and a valve mounting cavity for mounting and connecting the elastic water guide structure is formed in the valve mounting part; the water receiving port is communicated with the bottom of the valve containing cavity; the height of the valve containing cavity is larger than or equal to the height of the valve body. The periphery of the valve body is sleeved with a valve waterproof gasket, and interference fit is formed between the valve waterproof gasket and the valve containing cavity.
Further, the outer peripheral side of the reverse osmosis membrane layer is enclosed by a sealing membrane layer, so that the raw water inlet end is formed at one end of the reverse osmosis membrane layer, and the waste water outlet end is formed at the other end of the reverse osmosis membrane layer.
Further, the outer periphery of the reverse osmosis membrane layer is in an open state, and the raw water inlet end is formed on the outer periphery of the reverse osmosis membrane layer; one end position of the reverse osmosis membrane layer is provided with a first sealing assembly to form sealing, and the other end position of the reverse osmosis membrane layer is provided with the wastewater output end.
Furthermore, the peripheral side of the reverse osmosis membrane layer is enclosed by a closed membrane layer, an opening is formed in the closed membrane layer, the elastic water guide structure is connected to the position of the opening, and the waste water output end is formed on the peripheral side of the reverse osmosis membrane layer; and a second sealing assembly is arranged at one end of the reverse osmosis membrane layer to form sealing, and the other end of the reverse osmosis membrane layer is formed into the raw water inlet end.
The beneficial effects of the utility model reside in that:
this filter core structure's setting, through the application of its one-way water guide structure, effectively the one-way derivation of guide waste water is kept away from the filter media module, avoids waste water to pile up in the waste water output to avoid waste water to the condition of the pure water end infiltration of reverse osmosis filter core effectively, effectively solve the problem that corresponding purifier initial effluent TDS exceeds standard, guarantee that user's drinking water is healthy.
Drawings
Fig. 1 is a schematic view of a combined structure of a water collecting part and a deformation water guiding structure of the present invention;
fig. 2 is a combined cutting schematic view of the water collecting part and the deformation water guiding structure of the present invention;
fig. 3 is a partial schematic view of the combined use state of the water collecting part and the deformation water guiding structure of the present invention;
fig. 4 is a schematic view of a first filter element structure of the present invention;
fig. 5 is a schematic structural view of a second filter element of the present invention;
fig. 6 is a schematic view of a combined structure of the water collecting part and the elastic water guiding structure of the present invention;
fig. 7 is a combined sectional schematic view of the water collecting part and the elastic water guiding structure of the present invention;
fig. 8 is a schematic view of a part a of the water collecting part and the elastic water guiding structure of the present invention;
fig. 9 is a schematic structural view of a third filter element of the present invention;
fig. 10 is a schematic view of a fourth filter element structure of the present invention;
fig. 11 is a schematic structural view of a fifth filter element of the present invention;
fig. 12 is a schematic structural view of a sixth filter element of the present invention;
description of reference numerals:
the first base 100, the first mounting cavity 101, the first water receiving port 102, the mounting hole 103, the first support block 104, the deformable water guiding structure 105, the blocking block 106, the mounting shaft 107, the second water receiving port,
A second seat body 10, a second mounting cavity 11, a second water receiving port 12, an elastic water guide structure 13, a valve body 14, a liquid inlet 141, a liquid outlet 142, a valve cavity 143, a water blocking block 144, a spring 145, a valve mounting part 15, a valve mounting cavity 16, a water outlet 161, a valve waterproof gasket 17, a second supporting block 18, a positioning groove 19, a first water receiving groove, a second water,
A sealing and blocking piece 1, a water collecting hole 2,
The filter material module 200, a central pipe 201, a reverse osmosis membrane layer 202, a raw water input end 203, a waste water output end 204, a positioning column 2041, a first sealing component 205, a second sealing component 206, a sealing membrane layer 207, a water collecting installation position 208,
A shell 300, a raw water port 301, a pure water port 302 and a waste water port 303.
Detailed Description
In order to make the technical solution, objects and advantages of the present invention more clearly understood, the present invention is further explained with reference to the accompanying drawings and embodiments.
As shown in fig. 1 to 12, a filter element structure of the present invention includes a casing 300 having an inner cavity, wherein the casing 300 is provided with a raw water port 301, a pure water port 302 and a waste water port 303 communicated with the inner cavity; a filtering assembly is arranged in the inner cavity, the filtering assembly comprises a filtering material module 200, and the filtering material module 200 comprises a central pipe 201 and a reverse osmosis membrane layer 202 arranged around the central pipe 201; the reverse osmosis membrane layer 202 is provided with a raw water input end 203 and a waste water output end 204; a water collecting part for guiding the collected wastewater is arranged at the position of the wastewater output end 204, and a one-way water guide structure for guiding the wastewater to be led out along a single direction away from the filter material module 200 is arranged at the wastewater collecting end of the water collecting part; the raw water port 301 is communicated with the raw water input end 203, the purified water port 302 is communicated with the central pipe 201, and the wastewater output end 204 is communicated with the wastewater port 303 through the water collecting part and the one-way water guide structure to form guide communication for guiding wastewater in a one-way mode.
Example 1:
the water collecting portion comprises a first base body 100, a first mounting cavity 101 used for being matched with the waste water output end 204 in an assembling mode is arranged on the first base body 100, a first water receiving port 102 is formed in the bottom of the first mounting cavity 101 to form a waste water collecting end, and the one-way water guide structure is arranged at the position corresponding to the first water receiving port 102. A plurality of first supporting blocks 104 for supporting the filter material module 200 are arranged at the bottom in the first mounting cavity 101, and the upper surface side of each first supporting block 104 has a height difference with the position of the first water receiving port 102; the first water receiving openings 102 are formed in the center of the first installation cavity 101, at least three first supporting blocks 104 are arranged, and the first supporting blocks 104 are arranged around the first water receiving openings 102 and are uniformly distributed in the radial direction of the first installation cavity 101. Through the setting of the first supporting block 104 of multiunit, help changing waste water output 204 position and carry, be convenient for waste water inflow to in the first installation cavity 101.
Specifically, the one-way water guide structure is a deformation water guide structure 105 which can generate elastic deformation change under the pressure of a water source; the deformed water guide structure 105 guides the wastewater output by the wastewater output end 204 to be led away from the filter material module 200 in a single direction; the deformed water guiding structure 105 comprises a sealing block 106 which is arranged on the lower side of the first water receiving port 102 in a sealing manner; when a water source falls into the first installation cavity 101, the blocking block 106 is elastically deformed by the pressure of the water source on the upper side of the first water receiving opening 102, so as to expose the first water receiving opening 102 and guide the wastewater in the first installation cavity 101 to be led out in a one-way manner.
The number of the first water receiving openings 102 is at least two, each first water receiving opening 102 is arranged around a shaft, and each first water receiving opening 102 is arranged to be circular.
The arrangement axis position of each first water receiving port 102 is provided with an installation hole 103, the deformation part further comprises an installation shaft 107 matched with the installation hole 103, and the sealing block 106 is connected to the installation shaft 107 and arranged on the lower side of each first water receiving port 102; the material of the blocking piece 106 is an elastic material, and the outer diameter of the blocking piece 106 is larger than the outer diameter of the arrangement position of each first water receiving opening 102.
One side of each first water receiving port 102, which is far away from the arrangement axis position of the first water receiving port, is arranged in a trend away from the first installation cavity 101; the lower side of each first water receiving opening 102 is integrally arranged in an arc arch shape; the blocking blocks 106 are arc-shaped and are disposed at the lower side of the first water receiving openings 102 in a matching and fitting manner.
The application principle is as follows:
through the arrangement of the water collecting part and the deformation water guiding structure 105, when a water source falls into the first installation cavity 101, the upper side of the sealing block 106 receives the pressure of the water source and generates corresponding elastic deformation bending, so that the first water receiving port 102 is exposed, and the water source can be discharged outwards; when the pressure of the water source in the first installation cavity 101 is reduced and the externally discharged water source is under the external force, a reverse acting force is applied to the lower side of the sealing block 106, so that the water source has a tendency of flowing into the first installation cavity 101; based on the condition that the lower side of the blocking block 106 is closed and arranged on the lower side of the water receiving port, and the outer diameter of the blocking block 106 is larger than the outer diameter of the arrangement position of each first water receiving port 102, the blocking block 106 can effectively block an external water source, so that the deformed water guide structure 105 has the technical characteristic of guiding the water source to be discharged outwards in a unidirectional manner.
The deformation water guide structure 105 is elastically deformed by the elastic characteristic of the material of the blocking piece 106, so that the deformation water guide structure 105 can automatically close or open according to the pressure of a water source falling into the wastewater, and the wastewater one-way guiding function of the structure is realized.
Example 2:
the difference between this embodiment and embodiment 1 is that the one-way water guide structure is an elastic water guide structure 13 capable of generating elastic movement under the pressure of the water source, and the activated elastic water guide structure 13 guides the wastewater output from the wastewater output end 204 to be led away from the filter material module 200 in one direction.
The water collecting part comprises a second seat body 10, a second mounting cavity 11 used for being matched with the waste water output end 204 in an assembling mode is arranged on the second seat body 10, a second water receiving port 12 is formed in the bottom of the second mounting cavity 11 to form the waste water collecting end, and the elastic water guide structure 13 is arranged on the bottom side of the second seat body 10 corresponding to the position of the second water receiving port 12.
The elastic water guide structure 13 comprises a valve body 14, and the valve body 14 comprises a liquid inlet 141 arranged at the top side of the valve body corresponding to the second water receiving port 12 and a liquid outlet 142 arranged at the bottom side of the valve body; a valve cavity 143 communicated with the liquid inlet 141 and the liquid outlet 142 is arranged in the valve body 14, a water blocking block 144 for closing the liquid inlet 141 is arranged in the valve cavity 143, a spring 145 is connected between the water blocking block 144 and the bottom of the valve cavity 143, and the spring 145 applies a return elastic force towards the liquid inlet 141 to the water blocking block 144.
A valve mounting part 15 is arranged at the bottom side of the second seat body 10 in an extending manner, and a valve mounting cavity 16 for mounting the elastic water guide structure 13 is formed on the valve mounting part 15; the valve containing cavity 16 is communicated with the second water receiving port 12, and a water outlet 161 communicated with the outside is arranged at the bottom of the valve containing cavity 16; the height of the valve containing cavity 16 is larger than or equal to the height of the valve body 14.
A valve waterproof gasket 17 is sleeved on the outer peripheral side of the valve body 14, and interference fit is formed between the valve waterproof gasket 17 and the valve containing cavity 16.
Similarly, a plurality of second supporting blocks 18 for supporting the filter material module 200 are arranged at the bottom of the second mounting cavity 11, and a height difference exists between the upper surface side of the second supporting blocks 18 and the second water receiving port 12; a positioning column 2041 is arranged at the bottom side of the filter material module 200, a positioning groove 19 is arranged at the bottom of the second installation cavity 11 in a sinking manner, and the positioning column 2041 is positioned and attached to the positioning groove 19; at least three second supporting blocks 18 are arranged, the positioning groove 19 is arranged in the center of the second mounting cavity 11, and the second supporting blocks 18 are circumferentially arranged around the positioning groove 19 and uniformly distributed along the radial direction of the second mounting cavity 11; at least two second water receiving openings 12 are provided, and each second water receiving opening 12 is arranged in the interval between two adjacent second supporting blocks 18. Through the arrangement of a plurality of groups of second supporting blocks 18, the position of the waste water output end 204 is supported, and waste water can flow into the second installation cavity 11 conveniently.
The application principle is as follows:
through the arrangement of the water collecting part and the elastic water guide structure 13, when a water source falls into the second installation cavity 11, under the action that the pressure of the water source is greater than the reset elastic force of the spring 145, the wastewater pushes away the water blocking block 144 to enter the valve cavity 143, and is guided to the liquid outlet 142 to be discharged outwards; when the pressure of the water source in the second mounting cavity 11 is reduced, the water blocking block 144 is pushed and closed in the liquid inlet 141 under the action of the return elastic force of the spring 145, and then the water blocking block 144 can effectively block an external water source, so that the elastic water guide structure 13 has the technical characteristic of guiding the water source to be discharged outwards in a unidirectional manner.
In the valve body 14 of the elastic water guide structure 13, the elastic action of the spring 145 applied by the elastic structure is utilized to perform elastic movement of compression or rebound according to the magnitude of the wastewater pressure input by the elastic structure, so that the movable top block 14 is linked to perform top connection or separation movement at the position of the valve inlet 12, an effect of automatically closing or opening the valve body 10 is formed, and the wastewater one-way guiding function of the structure is realized.
Example 3:
the present embodiment is different from the above-described embodiments in the structure of the water collecting part; in this embodiment, the water collecting portion includes a blocking piece 1 sealed at the waste water output end 204 by adhesive, and the blocking piece 1 is provided with a water collecting hole 2 to form the waste water collecting end; the one-way water guide structure is connected to the water collecting hole 2.
The unidirectional water guiding structure may be arranged based on the application principle of the deformable water guiding structure 105 or the elastic water guiding structure 13 in the above embodiment, and corresponding structural adjustment is performed according to actual needs; furthermore, the one-way water guide structure or the one-way valve structure based on the prior art can be arranged to meet the requirements of conventional part replacement and replacement application; the application of different one-way water guide structures meets the one-way water guide application requirements of different installation conditions.
A water collecting installation position 208 for disassembling and assembling the blocking piece 1 or the first seat body 100 or the second seat body 10 according to a unified standard is arranged at the position of the wastewater output end 204; through the arrangement of the water collecting installation position 208, the specifications of the filter material modules 200 applied to the water collecting installation position are unified, and the water collecting installation position is matched with the first seat body 100 or the second seat body 10 or the blocking piece 1 with unified installation specifications so as to meet the requirements of installing and replacing the unidirectional water guide structure of different application requirements.
Example 4:
as shown in fig. 9 or fig. 10, in the filter element structure of the present embodiment, the casing 300 is generally cylindrical, the internal filtering component of the filter element structure is vertically arranged along the axial direction of the casing 300, the outer peripheral side of the reverse osmosis membrane layer 202 is enclosed by the sealing membrane layer 207, the raw water input end 203 is arranged at the upper end position of the reverse osmosis membrane layer 202, and the waste water output end 204 is arranged at the lower end position of the reverse osmosis membrane layer 202; the corresponding one-way water guide structure is matched with the waste water output end 204 and arranged at the lower side of the filtering component; the filter element structure has a corresponding waste water one-way water guide function and has better universality and installation performance.
Example 5:
as shown in fig. 11, in the present embodiment, when the inner filtering component of the filter element structure is vertically arranged along the axial direction of the housing, the outer peripheral side of the reverse osmosis membrane layer 202 is in an open state, and the raw water inlet end is formed on the outer peripheral side of the reverse osmosis membrane layer 202; the upper end of the reverse osmosis membrane layer 202 is provided with a first sealing assembly 205 to form a seal, and the lower end thereof is provided with the wastewater output end 204; the corresponding one-way water guide structure is matched with the waste water output end 204 and arranged at the lower side of the filtering component; this filter core structure possesses corresponding one-way water guide function of waste water simultaneously, and the side direction form of intaking through opening the setting, and can increase the area of raw water input 203, promotes the speed of the raw water input of filter assembly, is favorable to accelerating the speed of preparing of pure water, simultaneously in response to the setting that this side intake, makes the inner structure and the water route setting of filter core have more change adjustments to be favorable to setting up according to the user demand of difference.
Example 6:
as shown in fig. 12, in the present embodiment, the filter element structure is different from the above embodiments in that, in the case that the internal filtering component is vertically arranged along the axial direction of the housing, the outer peripheral side of the reverse osmosis membrane layer 202 is enclosed by a sealing membrane layer 207, and the sealing membrane layer 207 is opened to form the waste water output end 204; the opening is provided with a uniform installation standard size to form the water collection installation position 208, the installation cavity in the first seat body 100 or the second seat body 10 is matched and installed with the outer periphery side of the reverse osmosis membrane layer 202 in an arc shape corresponding to the water collection installation position 208, or the blocking piece 1 is in a shape with the same size as the water collection installation position 208 to be sealed and attached to the outer periphery side of the reverse osmosis membrane layer 202; the corresponding one-way water guide structure is matched with the waste water output end 204 and is arranged on the outer peripheral side of the filtering component; a second sealing component 206 is arranged at one end of the reverse osmosis membrane layer 202 to form a seal, and the other end of the reverse osmosis membrane layer 202 is formed as the raw water inlet end; then this filter core structure possesses corresponding one-way water guide function of waste water simultaneously, has guaranteed that under filter core or the horizontal condition of placing of filter media subassembly, the efficiency and the effect of water purification unit water purification still can keep in the characteristics of high water level.
The above is only the preferred embodiment of the present invention, and to the technical personnel in the technical field, without departing from the present invention, the embodiment can still be modified, and the corresponding modification should also be regarded as the protection scope of the present invention.