CN210356295U

CN210356295U - Can dismantle filter core, filter core subassembly and purifier

Info

Publication number: CN210356295U
Application number: CN201921148495.7U
Authority: CN
Inventors: 陈诗洁; 吴紫阳; 陈伟杰; 高威; 关乃公
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-04-21
Anticipated expiration: 2029-07-19

Abstract

The utility model discloses a detachable filter element, a filter element assembly and a water purifier, wherein the detachable filter element comprises a cylindrical shell, a cover body, an end head and a filter structure, the filter structure is fixed on the bottom surface of the end head, the cover body is fixedly connected with the top of the side wall of the end head, the shell is screwed at the bottom of the end head, the joint of the cover body and the shell is provided with a limit structure for preventing the shell from moving back, and the end head and the shell form a cavity for accommodating the filter structure; the filter element assembly comprises a filter bottle body and a filter bottle cover, the filter bottle cover is fixed on the filter bottle body, the filter bottle body and the filter bottle cover jointly form a cavity, and the detachable filter element is arranged in the cavity; the purifier includes foretell filter element group spare. Filter element group spare be detachable construction, the filter core can conveniently be washd, changed, the life of extension filter core reduces the use cost of purifier, and promotes user experience greatly.

Description

Can dismantle filter core, filter core subassembly and purifier

Technical Field

The utility model relates to a filter core especially relates to a can dismantle filter core, filter element group spare and contain purifier of above-mentioned filter element group spare.

Background

The existing market water purifier generally adopts a plurality of filter elements to carry out multistage progressive filtration, the service life of each stage of filter element is limited, and the filter elements reaching the end of the service life need to be replaced after a certain period so as to maintain the normal filtering function of the water purifier and ensure the water outlet flow and the water quality.

The existing water purifier has the problems of more filter elements, trouble in core replacement, high core replacement frequency, high cost and the like. The existing core changing modes mainly comprise the following two modes: (1) the core is changed to the disposable formula as a whole: the filter flask body and the filter flask cover of the filter element are fixedly connected by adopting rotary melting, and once the filter flask body and the filter flask cover are fixedly connected, the filter flask body cannot be opened after being rotated and melted, and the filter element needs to be integrally replaced when being replaced; (2) only changing the inner core: as indicated in chinese patent publication No. CN107349672A, the filter flask body and the filter flask cover of the filter element are screwed together by screw threads, and the filter flask cover can be unscrewed when the filter element is replaced, and then the filter flask can be recovered after the inner core is replaced.

For the first core changing method, the following disadvantages exist: the filter flask body and the inner core are replaced together, so that the cost for replacing the core is high, on the other hand, the rotary melting process is adopted, the production process is complex, the rejection rate is high, and scraps generated in the rotary melting process are easy to block water gaps and valve elements in a water path; for the second core changing mode, the following disadvantages exist: the filter flask body is in threaded connection with the filter flask cover, and the tightening is difficult due to a plurality of turns of threads, so that a tool is needed; and the threaded connection part adopts an O-shaped sealing ring for radial sealing, and the sealing ring is easy to extrude and deform and leaks water.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can dismantle filter core, filter element group spare and purifier to on the one hand, because of melting the fixed technical problem that the core that trades that causes of technology is with high costs, the disability rate is high soon to solve current filter element group spare, on the other hand, to solve current filter flask body and filter flask lid threaded connection and cause the technical problem that the core process is complicated, waste time and energy.

In order to achieve the above object, the utility model discloses a can dismantle specific technical scheme as follows of filter core, filter element group spare and purifier:

the utility model provides a filter core structure, is including casing, lid, end and the filtration that is the tube-shape, filtration fixes on the end bottom surface, the top and the lid fixed connection of end lateral wall, the casing is screwed to the bottom of end, lid and casing junction set up the limit structure who prevents the casing and move back the position, end and casing form the cavity that holds filtration.

Furthermore, the top of the outer side wall of the end head is provided with an end head rotary melting part, and the cover body is fixedly connected with the end head through a rotary melting process.

Furthermore, at least two bulges are arranged on the outer side wall of the end head, a guide structure matched with the bulges is arranged on the inner wall of the opening of the shell, and the bulges rotate along the guide structure, so that the shell is screwed on the end head.

Further, the protrusion is a guide block or a guide rib.

Further, guide structure is the direction muscle that sets up at the casing opening part, and the direction muscle is the heliciform along shells inner wall and extends to casing inside, and the arch rotates along the direction muscle.

Furthermore, the projection of the guide rib on the plane where the axis of the shell is located is an arc line, and the central angle corresponding to the arc line is 15-60 degrees.

Furthermore, the guide structure is a guide groove arranged at the opening of the shell, the end part of the guide groove is open, the guide block enters the guide groove from the opening and rotates around the guide groove, and the shell is screwed on the end head.

Furthermore, limit structure includes the sealing washer, sets up spacing post on the inner wall of sealing washer, sets up the spacing groove that holds spacing post on the outer wall of casing and lid junction, and the spacing groove is including setting up the second spacing groove on the casing and setting up the fourth spacing groove on the lid.

Furthermore, the limiting columns are uniformly distributed on the inner wall of the sealing ring and are parallel to the axial lead of the shell.

Further, set up the cell body that holds the sealing washer in the junction of casing and lid, the cell body is including setting up annular first spacing groove on the casing and setting up annular third spacing groove on the lid.

Furthermore, the side wall of the bottom of the outer pipe of the end is in sealing contact with the inner wall of the shell, a sealing groove is formed in the side wall of the bottom of the outer pipe along the circumferential direction, and a second sealing ring is arranged in the sealing groove.

The utility model provides a filter element group spare, includes filter flask body and filter flask lid, and the filter flask lid is fixed on the filter flask body, and filter flask body and filter flask lid form a cavity jointly, set up foretell filter core dismantled in the cavity.

A water purifier comprises the filter element assembly.

The utility model discloses a can dismantle filter core, filter element group spare and purifier has following advantage:

filter core set up guide structure on the filter flask body, guide structure includes direction muscle or guide way, direction muscle and guide way set up leading-in and withdraw from the angle big, it is short to screw up fixed stroke with other assembly, can relax screw in and screw out during the installation, it is fixed or dismantle labour saving and time saving to screw up.

Further, the filter core set up limit structure in the junction of casing and lid, limit structure includes the sealing washer, the inside spacing post that sets up with the axial lead of casing of sealing washer carries out circumference fixedly to the casing, prevents to screw up leading-in position and appears moving back the position, the installation reliability is high.

Finally, the purifier through with filter element group spare design for the detachable structure, the filter core can conveniently be washd, changed, the life of extension filter core reduces the use cost of purifier to, the dismouting of filter core is very convenient, promotes user experience greatly.

Drawings

Fig. 1 is a sectional view of the filter element of the present invention;

fig. 2 is a schematic structural view of the filter element of the present invention;

fig. 3 is a schematic structural view of the limiting structure of the present invention;

fig. 4 is a sectional view of the cap body and the end head of the present invention when assembled;

fig. 5 is a schematic structural view of a first embodiment of the housing of the present invention;

fig. 6 is a schematic structural view of a second embodiment of the housing of the present invention;

FIG. 7 is a schematic structural view of the filter element of the present invention during water inlet and outlet;

fig. 8 is a sectional view of a part of the filter element of the present invention.

The reference numbers in the figures illustrate:

1. a housing; 11. a guide rib; 12. a first limit groove; 13. a second limit groove; 14. a guide groove;

2. a cover body; 21. a first connection section; 22. a first shoulder; 23. a middle connecting section; 24. a second shoulder; 25. a second connection section; 251. a third limiting groove; 252. a fourth limit groove;

3. a tip; 31. an inner tube; 32. an outer tube; 321. an end head rotary melting part; 322. a sealing groove; 323. a lead-in block; 33. a connecting ring plate;

4. a limiting structure; 41. a limiting column;

5. an adapter; 51. a limiting bulge; 52. a first seal ring; 53. a spring;

6. and a second seal ring.

Detailed Description

In order to better understand the purpose, structure and function of the present invention, the following description is made in detail with reference to the accompanying drawings.

As shown in fig. 1-3, the utility model discloses a can dismantle filter core, including casing 1, lid 2, end 3 and the filtration that is the tube-shape (generally cylindric), filtration fixes on the 3 bottom surfaces of end, and the top and the lid 2 fixed connection of end 3 lateral walls, and casing 1 is screwed to end 3 bottom, and lid 2 and casing 1 junction set up the limit structure 4 that prevents casing 1 and move back, and end 3 and casing 1 form the cavity that holds filtration. Casing 1 screws and realizes dismantling the connection in end 3 bottom, and convenient the dismantlement, labour saving and time saving, limit structure 4 carries out circumference spacing to casing 1, can prevent to appear the problem of moving back because of screwing up the short water pressure that leads to of stroke when too big, can strengthen the reliability of filter core installation.

Further, end 3 includes inner tube 31 and outer tube 32 with the axle center setting, and inner tube 31 and outer tube 32 top are through connecting ring plate 33 fixed connection, set up the apopore on the connecting ring plate 33, and filtration is used for filtering the water that gets into in the filter core, and filtration can be membrane silk, the cotton filter core of PP, carbon rod filter core and PAC filter core isotructure, and filtration top is fixed on the bottom surface of the connecting ring plate 33 of end 3 through modes such as bonding, grafting.

Further, with the hollow adapter 5 that sets up of axle center in lid 2 and the end 3, 5 bottoms of adapter and inner tube 31 intercommunication, 5 tops of adapter are the free end, the free end of adapter 5 is the water inlet of filter core, casing 1, lid 2, end 3 and adapter 5 form the rivers passageway, water flows in end 3 from the free end of adapter 5, arrange to the lid 2 in from 3 tops of end after filtering through the filtration structure, and discharge to the filter core outside from the gap between lid 2 and the adapter 5.

Furthermore, for the water stopping effect during the installation, the water passing and the replacement and the disassembly of the filter element, the adapter 5 extends into the inner tube 31 of the end head 3, the adapter 5 is connected with the inner tube 31 in a sealing way, the side wall of the adapter 5 is provided with a limit bulge 51 along the circumferential direction, the limit bulge 51 facing the inner wall direction of the cover body 2 is provided with a U-shaped annular groove, a first sealing ring 52 is arranged in the U-shaped annular groove, the cover body 2 comprises a first connecting section 21 and a middle connecting section 23 which are arranged coaxially, the diameter of the first connecting section 21 is smaller than that of the middle connecting section 23, the first connecting section 21 and the middle connecting section 23 are connected through a first shoulder 22, the adapter 5 is sleeved with a spring 53, the top end of the spring 53 is abutted against the limit bulge 51, the bottom end of the spring 53 is, the opening and closing of the water flow passage is controlled by adjusting the compression state of the spring 53 to engage the first seal ring 52 with the first shoulder 22. When the filter element is installed in the water purifier, the adapter 5 is pressed by external pressure to further contract the spring 53, so that the first sealing ring 52 is separated from the first shoulder 22, and purified water in the filter element can flow out from a gap between the adapter 5 and the cover body 2; when the filter element needs to be replaced due to the service life of the filter element, the adapter 5 is not extruded from the outside, the spring 53 is reset, the first sealing ring 52 is in sealing fit with the first shoulder 22, and the water in the filter element is prevented from overflowing to realize the water stopping function.

The lid 2 still includes second linkage segment 25, and second linkage segment 25 passes through second shoulder 24 and middle part linkage segment 23 fixed connection, and the diameter of second linkage segment 25 is greater than the diameter of middle part linkage segment 23, and the outer wall at outer tube 32 top sets up end and melts portion 321 soon, and the bottom of lid 2 and end 3 top are through melting technology fixed connection soon.

Set up two at least archs on the outer wall at outer tube 32 middle part, set up the guide structure who uses with protruding cooperation on the inner wall of casing 1 opening part, the arch can be at the guide structure internal rotation to make casing 1 screw on end 3, casing 1 top surface and the contact of lid 2 bottom surface, guide structure makes bellied leading-in or withdraw from the angle big, when casing 1 and end 3 assembly, casing 1's the fixed stroke of screwing up is short, and the assembly is labour saving and time saving.

Further, the protrusion may be a lead-in block 323 or a lead-in rib.

As shown in fig. 5, the guiding structure is a guiding rib 11 disposed at the opening of the housing 1, the guiding rib 11 extends towards the inside of the housing 1 along the inner wall of the housing 1 in a spiral shape, and the protrusion can rotate along the guiding rib 11.

Preferably, the projection of the guide rib 11 on the plane of the axial lead of the shell 1 is an arc line, and the corresponding central angle of the arc line is between 15 and 60 degrees.

As shown in fig. 6, the guiding structure is a guiding groove 14 arranged at the opening of the shell 1, the end of the guiding groove 14 is open, and the protrusion enters the guiding groove 14 from the opening and rotates around the guiding groove 14 to screw the shell 1 on the end head 3.

Because the screwing and fixing stroke of the shell 1 and the end 3 is short, the phenomenon of retreating can occur when the water pressure is too large, and in order to prevent the phenomenon of retreating, the connecting part of the shell 1 and the cover body 2 is fixed through the limiting structure 4.

As shown in fig. 3, the limiting structure 4 includes an annular sealing ring, a limiting post 41 is disposed on an inner wall of the sealing ring, a limiting groove for accommodating the limiting post 41 is disposed on an outer wall of a joint of the housing 1 and the cover 2, and the limiting groove includes a second limiting groove 13 disposed on the housing 1 and a fourth limiting groove 252 disposed on the cover 2. The limiting columns 41 are multiple, the limiting columns 41 are uniformly distributed on the inner wall of the sealing ring, and the axial lead of the limiting columns 41 is parallel to the axial lead of the shell 1. On the one hand, limit structure 4 can prevent that the phenomenon of moving back from appearing in casing 1, and on the other hand, limit structure 4 can prevent that the water after the filtration from revealing from the junction between end 3 and casing 1, lid 2.

Further, for the filter element to be more beautiful, a groove body for accommodating the sealing ring is arranged at the joint of the casing 1 and the cover body 2, and the groove body comprises a first annular limiting groove 12 arranged on the casing 1 and a third annular limiting groove 251 arranged on the cover body 2 along the circumferential direction.

In other embodiments, the limiting structure 4 may also be a limiting groove formed on the inner wall of the sealing ring, a limiting post used in cooperation with the limiting groove is arranged at the joint of the casing 1 and the end cover, the limiting post is divided into two parts and respectively arranged on the casing 1 and the cover body 2, and the limiting post is arranged in parallel with the axial lead of the casing 1.

In order to prevent water leakage, the outer side wall of the bottom of the outer tube 32 of the end head 3 is in sealing contact with the inner wall of the casing 1, as shown in fig. 1, a sealing groove 322 is arranged on the side wall of the bottom of the outer tube 32 along the circumferential direction, and a second sealing ring 6 is arranged in the sealing groove 322.

The utility model provides a filter element group spare, includes filter flask body and filter flask lid, and the filter flask lid is fixed on the filter flask body, and filter flask body and filter flask lid form a cavity jointly, set up foretell filter core dismantled in the cavity. Preferably, the cartridge is supported within the chamber by the housing 1.

The application provides a filter element group spare but wide application is in various equipment that need purify water, if: water purifier, drinking machine, humidifier, etc.

The utility model provides a water purifier, includes foretell filter element group spare for the filter core of this water purifier can conveniently be washd, change, and the life of extension filter core reduces the use cost of water purifier, and, the dismouting of filter core is very convenient, promotes user experience greatly.

This filter core sets up guide structure on the filter flask body, and guide structure includes direction muscle 11 or guide way 14, and direction muscle 11 and guide way 14 set up leading-in and withdraw from the angle big, and it is short to screw up fixed stroke with other assembly, can relax screw in and screw out during the installation, and it is fixed or dismantle labour saving and time saving to screw up. Set up limit structure in the junction of casing 1 and lid 2, limit structure includes the sealing washer, and the inside spacing post that sets up with the axial lead of casing 1 of sealing washer carries out circumference fixed to casing 1, prevents to screw up leading-in position and appears moving back, and installation reliability is high. The purifier is through being the detachable structure with filter element group spare design, and the filter core can conveniently be washd, be changed, and the life of extension filter core reduces the use cost of purifier to, the dismouting of filter core is very convenient, promotes user experience greatly.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. The utility model provides a can dismantle filter core, its characterized in that, including casing (1), lid (2), end (3) and the filtration that is the tube-shape, the filtration is fixed on end (3) bottom surface, the top and lid (2) fixed connection of end (3) lateral wall, casing (1) is screwed to the bottom of end (3), lid (2) and casing (1) junction set up limit structure (4) that prevent casing (1) and move back, end (3) and casing (1) form the cavity that holds the filtration.

2. The removable filter cartridge according to claim 1, wherein the top of the outer side wall of the end head (3) is provided with an end head spin-melting part (321), and the cover body (2) is fixedly connected with the end head (3) through a spin-melting process.

3. A removable cartridge as claimed in claim 2, wherein the external side wall of the head (3) is provided with at least two projections, the internal wall of the opening of the housing (1) is provided with a guide means cooperating with the projections, and the projections are rotated along the guide means to screw the housing (1) onto the head (3).

4. A removable cartridge as claimed in claim 3, wherein the projection is a lead-in block (323) or a lead-in rib.

5. A removable filter cartridge as claimed in claim 3, wherein the guiding means is a guiding rib (11) provided at the opening of the housing (1), the guiding rib (11) extends spirally towards the inside of the housing (1) along the inner wall of the housing (1), and the protrusion rotates along the guiding rib (11).

6. The removable filter cartridge according to claim 5, wherein the projection of the guiding rib (11) on the plane of the axis of the housing (1) is an arc line, and the central angle of the arc line is between 15 ° and 60 °.

7. A removable cartridge as claimed in claim 3, wherein the guide means is a guide slot (14) provided at the opening of the housing (1), the end of the guide slot (14) being open, the guide block (323) entering the guide slot (14) from the opening and rotating around the guide slot (14) to screw the housing (1) to the head (3).

8. The removable filter cartridge according to claim 1, wherein the limiting structure (4) comprises a sealing ring, a limiting post (41) is arranged on the inner wall of the sealing ring, a limiting groove for accommodating the limiting post (41) is arranged on the outer wall of the joint of the housing (1) and the cover body (2), and the limiting groove comprises a second limiting groove (13) arranged on the housing (1) and a fourth limiting groove (252) arranged on the cover body (2).

9. The removable filter element according to claim 8, wherein the limiting columns (41) comprise a plurality of limiting columns (41), the limiting columns (41) are uniformly distributed on the inner wall of the sealing ring, and the limiting columns (41) are parallel to the axial line of the shell (1).

10. The removable filter element according to claim 8, wherein a groove for accommodating the sealing ring is provided on the outer wall of the joint of the housing (1) and the cover (2), and the groove comprises a first annular limiting groove (12) provided on the housing (1) and a third annular limiting groove (251) provided on the cover (2).

11. The removable filter cartridge according to claim 1, wherein the outer side wall of the bottom of the head (3) is in sealing contact with the inner wall of the housing (1), a sealing groove (322) is provided on the outer side wall of the bottom of the head (3), and a second sealing ring (6) is provided in the sealing groove (322).

12. A filter cartridge assembly comprising a filter cartridge body and a filter cartridge cap, the filter cartridge cap being secured to the filter cartridge body and the filter cartridge cap together forming a chamber, wherein the removable filter cartridge of any one of claims 1 to 11 is disposed within the chamber.

13. A water purification machine comprising the filter cartridge assembly of claim 12.