CN215026716U

CN215026716U - Water leakage prevention filter cylinder cover and filter element

Info

Publication number: CN215026716U
Application number: CN202120609372.XU
Authority: CN
Inventors: 王小燕
Original assignee: Diyang Filtration System Kunshan Co ltd
Current assignee: Diyang Filtration System Kunshan Co ltd
Priority date: 2021-03-25
Filing date: 2021-03-25
Publication date: 2021-12-07
Anticipated expiration: 2031-03-25

Abstract

The utility model belongs to the technical field of filtration, in particular to a water leakage prevention filter cylinder cover and a filter element, wherein the water leakage prevention filter cylinder cover comprises a cover body provided with a water inlet channel and a water outlet channel, and a water inlet sealing assembly and a water outlet sealing assembly are arranged in the cover body; the filter element comprises a cylinder body, a filter pipe and a water leakage prevention filter cylinder cover. The utility model has good water leakage prevention performance, and the performance of the sealing element can not be reduced due to the increase of the service time; and the filter cartridge cover can be used for multiple times, so that the cost is reduced.

Description

Water leakage prevention filter cylinder cover and filter element

Technical Field

The utility model belongs to the technical field of filter, concretely relates to leak protection water filter cartridge cover and filter core.

Background

With the rapid development of industrialization in China, the output of domestic sewage and industrial wastewater is increasing. Most of the produced sewage contains various toxic and harmful substances, pollutes water body, pollutes environment, harms human health and has more and more serious safety problem of drinking water. When the water purifier is used, a water inlet of the water purifier is directly connected with a water faucet in a kitchen, and a filter element in the water purifier filters tap water flowing out of the water faucet to obtain pure water with low impurity content and concentrated water with high impurity content for a user to drink.

As publication number CN105964045B discloses a leak protection water filter cover and filter core, leak protection water filter cover includes the main part and sets up the retaining subassembly in the main part, the retaining subassembly includes water storage box and the switch module of setting in the water storage box, and leak protection water filter core is including straining a section of thick bamboo, setting up the filter cover on straining a section of thick bamboo and setting up the filter component in straining a section of thick bamboo, and this leak protection water filter cover and filter core simple structure, and the design is exquisite, not only can effectively prevent the emergence of the phenomenon of leaking, and under the cooperation of centrifugation principle moreover for the filter effect is better.

Also, as disclosed in publication No. CN204891380U, a water leakage preventing filter cartridge cover and a filter element are disclosed, wherein the water leakage preventing filter cartridge cover comprises a filter cartridge cover main body, a water inlet channel and a water outlet channel are arranged in the filter cartridge cover main body, and further comprises a water inlet sealing structure and a water outlet sealing structure, the water inlet sealing structure seals the water inlet channel, the water outlet sealing structure comprises a fixing member, an elastic member and a movable sealing member, one end of the elastic member is arranged on the fixing member, the other end of the elastic member is arranged on the movable sealing member, and the movable sealing member seals the water outlet sealing channel; the water entering the water inlet channel opens the water inlet sealing structure under the action of pressure or/and gravity, and when the external force pushes the movable sealing piece towards the inside of the filter cartridge cover main body, the movable sealing piece opens the water outlet sealing channel. The utility model discloses owing to adopted into water seal structure and go out water seal structure in straining the cover main part, no matter how place can not leak remaining water in the leak protection water filter core and leak out, have advantages such as safe in utilization, convenient to use and the amount of labour that has reduced the user.

In the prior art, the water leakage prevention filter cylinder cover and the filter element can reduce the water leakage prevention performance along with the increase of the service time; meanwhile, when the filter element needs to be replaced, the filter cylinder cover is often required to be replaced together, so that the cost is high.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned not enough, the utility model aims at providing a leak protection water filter cartridge cover and filter core.

The utility model provides a following technical scheme:

a water leakage prevention filter cylinder cover comprises a cover body provided with a water inlet channel and a water outlet channel, wherein a water inlet sealing assembly and a water outlet sealing assembly are arranged in the cover body;

the cover body is provided with a middle mounting cavity, and the middle mounting cavity is divided into a middle mounting cavity I, a middle mounting cavity II and a middle mounting cavity III by an upper partition and a lower partition; the water outlet sealing assembly comprises a first ejector rod inserted on the upper partition and a second ejector rod inserted on the lower partition; a plug is fixedly connected to the upper end of the first ejector rod, and a first spring is sleeved on the first ejector rod between the plug and the upper partition; the lower end of the second ejector rod is fixedly connected with a blocking block, and a second spring is sleeved on the second ejector rod between the blocking block and the lower partition; one end of the water outlet channel is communicated with the middle mounting cavity, and the other end of the water outlet channel is communicated with the middle mounting cavity III; when the first spring is not subjected to external force, the plug blocks a connecting port between the water outlet channel and the middle mounting cavity, and when the second spring is not subjected to external force, the plug blocks a connecting port between the water outlet channel and the middle mounting cavity;

the cover body is provided with a side mounting cavity, and the side mounting cavity is partitioned into a first side mounting cavity and a second side mounting cavity; the water inlet sealing assembly comprises a spring III arranged on one side of the middle partition, and the spring III is connected with a side plugging block; one end of the water inlet channel is communicated with the side mounting cavity, and the other end of the water inlet channel is communicated with the side mounting cavity II; when the spring III is not subjected to external force, the side blocking block blocks the connecting port of the water inlet channel and the side mounting cavity II.

Elastic water blocking rings are arranged in the water inlet channel and the water outlet channel, and a plurality of elastic notches are formed in the elastic water blocking rings.

And a limiting block is arranged on the wall of the side mounting cavity II.

And one end of the first ejector rod extending into the middle mounting cavity is provided with a butt joint groove, and the other end of the first ejector rod extending into the middle mounting cavity is inserted into the butt joint groove.

The water outlet channel is annularly arranged around the middle installation cavity.

And a first sealing ring is arranged between the blocking block and the cover body.

A filter element comprises a cylinder body, a filter pipe and a water leakage prevention filter cylinder cover; the lower end of the filter pipe is fixedly connected with a connecting seat, the outer end of the connecting seat is connected with a connecting ring, and the connecting seat is provided with a central through hole; the upper end of the cover body is connected with the connecting ring, and when the spring I is not subjected to external force, the upper part of the plug is inserted into the central through hole; the cover body is provided with a clamping groove, and the lower end of the barrel is inserted into the clamping groove.

The connecting ring is in threaded connection with the connecting seat, and inserting grooves are uniformly distributed on the outer circumferential surface of the connecting ring; the lid upper end is equipped with the mounting groove, is equipped with the grafting strip on the mounting groove cell wall.

The tank bottom of mounting groove is equipped with sealed the installation groove of filling up, installs sealed the pad in the sealed installation groove of filling up, and sealed pad is equipped with the through-hole between two parties, and sealed upper end equipartition that fills up has the concentric sand grip of annular, and connecting seat lower extreme equipartition has the concentric recess of annular.

One side of the clamping groove is provided with a threaded hole, and the barrel body and the cover body are fixed through bolts; and a second sealing ring is arranged between the cylinder body and the cover body.

The utility model has the advantages that:

1. the utility model has simple structure and convenient maintenance;

2. the utility model has good water leakage prevention performance, and the performance of the sealing element can not be reduced due to the increase of the service time;

3. the utility model discloses can realize the used repeatedly of filter cartridge cover, reduce cost.

Drawings

FIG. 1 is a schematic view of a cartridge cover according to the present invention;

fig. 2 is a top view of the elastic water blocking ring of the present invention;

FIG. 3 is an enlarged view at A in FIG. 1;

fig. 4 is a schematic view of the filter element structure of the present invention;

fig. 5 is a top view of the connection ring of the present invention;

fig. 6 is a plan view of the gasket of the present invention.

Labeled as: the water-saving filter comprises a cover body 101, a blocking block 102, a second ejector rod 103, a second spring 104, a lower partition 105, a first ejector rod 106, a water outlet channel 107, an elastic water-blocking ring 108, an upper partition 109, a first spring 110, a plug 111, a limiting block 112, a side blocking block 113, a water inlet channel 114, a third spring 115, a middle partition 116, an elastic notch 117, a butt joint groove 118, a clamping groove 201, a sealing gasket mounting groove 202, a mounting groove 203, a cylinder body 204, a filter pipe 205, a connecting seat 206, a central through hole 207, a connecting ring 208, a sealing gasket 209, a second sealing ring 210, a bolt 211, a through hole 212, an inserting groove 213 and an annular concentric raised line 214.

Detailed Description

As shown in the figure, the water leakage prevention filter cartridge cover comprises a cover body 101 provided with a water inlet 114 and a water outlet channel 107, wherein a water inlet sealing assembly and a water outlet sealing assembly are further installed in the cover body 101, specifically, the cover body 101 is provided with a middle installation cavity, and the middle installation cavity is divided into a middle installation cavity I, a middle installation cavity II and a middle installation cavity III by an upper partition 109 and a lower partition 105. Both the upper partition 109 and the lower partition 105 are provided with through holes. The water outlet sealing assembly comprises a first ejector rod 106 inserted in the through hole of the upper partition 109 and a second ejector rod 103 inserted in the through hole of the lower partition 105. The first mandril 106 and the second mandril 103 can freely do linear motion in the up-and-down direction. The upper end of the first ejector rod 106 is fixedly connected with a plug 111, and a first spring 110 is sleeved on the first ejector rod 106 between the plug 111 and the upper partition 109. The lower end of the second ejector rod 103 is fixedly connected with a blocking block 102, and a second spring 104 is sleeved on the second ejector rod 103 between the blocking block 102 and the lower partition 105. One end of the water outlet channel 107 is communicated with the middle mounting cavity, and the other end of the water outlet channel 107 is communicated with the middle mounting cavity III. When the first spring 110 is not subjected to external force, the plug 111 plugs the connection port between the water outlet channel 107 and the middle mounting cavity, and when the second spring 104 is not subjected to external force, the plug 102 plugs the connection port between the water outlet channel 107 and the middle mounting cavity. When the plug 111 is pressed by water to move downwards, the first spring 110 is compressed, the plug 111 no longer blocks the connection port between the water outlet channel 107 and the middle mounting cavity, and water enters the water outlet channel 107 from the middle mounting cavity. When the plug 111 further moves downwards, the first ejector rod 106 abuts against the second ejector rod 103, so that the second spring 104 is stretched, the connecting port between the water outlet channel 107 and the third middle mounting cavity is no longer blocked by the blocking block 102, and water in the water outlet channel 107 can flow out of the third middle mounting cavity. When the water pressure is lower, the plug 111 returns under the elastic force of the first spring 110 to block a connecting port of the water outlet channel 107 and the middle installation cavity; the blocking block 102 returns under the elastic force of the second spring 104 to block the connecting port of the water outlet channel 107 and the third middle mounting cavity.

Lid 101 still is equipped with the side installation cavity, and the side installation cavity is separated into side installation cavity one and side installation cavity two by well partition 116. The water inlet sealing assembly comprises a spring III 115 arranged on one side of a middle partition 116, and the spring III 115 is connected with a side block 113. One end of the water inlet channel 114 is communicated with the first side mounting cavity, and the other end of the water inlet channel 114 is communicated with the second side mounting cavity. When the third spring 115 is not subjected to external force, the side blocking block 113 blocks the connection port of the water inlet channel 114 and the second side mounting cavity. When water enters, the side blocking block 113 moves upwards under the action of water pressure, the spring III 115 is compressed, the connecting port between the water inlet channel 114 and the side mounting cavity II is no longer blocked by the side blocking block 113, and water enters the water inlet channel 114 from the side mounting cavity II and then enters the side mounting cavity I.

In the present embodiment, the water inlet channel 114 and the water outlet channel 107 are both installed with an elastic water-blocking ring 108, the material of the elastic water-blocking ring 108 is silica gel or rubber, and the elastic water-blocking ring 108 is provided with a plurality of elastic notches 117. When the elastic water-blocking ring 108 is not under the action of water pressure, the elastic cut-outs 117 are in a closed state, and when the elastic water-blocking ring 108 is under the action of water pressure, the elastic cut-outs 117 are opened, and water flow is allowed to pass through. When the water flow is small, the elastic slits 117 cannot open, thereby preventing the small water flow.

In this embodiment, be equipped with stopper 112 on the chamber wall of side installation cavity two, stopper 112 is located the two connectors in side sprue 113 lower extreme for when side sprue 113 and stopper 112 contacted, inlet channel 114 and the two connectors in side installation cavity are just in time plugged up to side sprue 113, thereby can prevent that side sprue 113 from moving under the spring action again and cross the limit, lead to the effect of blocking water not good.

In this embodiment, the abutting groove 118 is formed at one end of the second middle ejector rod 103, which extends into the second middle installation cavity, and the first ejector rod 106 extends into the second middle installation cavity, and the other end of the first ejector rod 106 is inserted into the abutting groove 118, so that the first ejector rod 106 can stably abut against the bottom of the abutting groove 118 of the second ejector rod 103, and the second ejector rod 103 is driven to move.

In this embodiment, the water outlet channel 107 is annularly arranged around the middle mounting cavity, so that the water outlet is uniform.

In this embodiment, a first sealing ring is installed between the blocking piece 102 and the cover 101, so as to improve the sealing effect and prevent water leakage.

A filter element comprises a cylinder body 204, a filter pipe 205 and a water leakage prevention filter cylinder cover. An RO reverse osmosis membrane is installed in the filter pipe 205. The lower end of the filter tube 205 is fixedly connected with a connecting base 206, the outer end of the connecting base 206 is connected with a connecting ring 208, and the connecting base 206 is provided with a central through hole 207. The upper end of the cover body 101 is connected with a connecting ring 208, and when the spring I110 is not subjected to external force, the upper part of the plug 111 is inserted into the central through hole 207, so that filtered water cannot flow into the central mounting cavity I from the central through hole 207. The cover body 101 is further provided with a clamping groove 201, the lower end of the cylinder body 204 is inserted into the clamping groove 201, and water flow in the side mounting cavity II can flow into the cylinder body 204 and is filtered by the filter pipe 205.

In this embodiment, the inner circumferential surface of the connection ring 208 is provided with an internal thread, the outer circumferential surface of the connection seat 206 is provided with an external thread, and the connection ring 208 is in threaded connection with the connection seat 206. The outer circumference of the connection ring 208 is uniformly provided with insertion grooves 213, the upper end of the cover 101 is provided with an installation groove 203, and the groove wall of the installation groove 203 is provided with insertion strips. The cap body 101 is inserted into the connection ring 208. In order to improve the sealing effect, a sealing gasket mounting groove 202 is arranged at the bottom of the mounting groove 203, a sealing gasket 209 is mounted in the sealing gasket mounting groove 202, a through hole 212 is arranged in the center of the sealing gasket 209, and the plug 111 can pass through the through hole 212. The upper end of the sealing gasket 209 is evenly provided with an annular concentric raised line 214, and the lower end of the connecting seat 206 is evenly provided with an annular concentric groove. When installed, the annular concentric ridges 214 are inserted into the annular concentric grooves to enhance the sealing effect.

In this embodiment, a screw hole is formed in one side of the engaging groove 201, and the cylinder 204 and the cover 101 are fixed by a bolt 211. Meanwhile, a second sealing ring 210 is installed between the cylinder 204 and the cover 101, thereby preventing water leakage.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A water leakage prevention filter cartridge cover comprises a cover body (101) provided with a water inlet channel (114) and a water outlet channel (107), wherein a water inlet sealing assembly and a water outlet sealing assembly are arranged in the cover body (101); the method is characterized in that:

the cover body (101) is provided with a middle mounting cavity, and the middle mounting cavity is divided into a middle mounting cavity I, a middle mounting cavity II and a middle mounting cavity III by an upper partition (109) and a lower partition (105); the water outlet sealing assembly comprises a first ejector rod (106) inserted on the upper partition (109) and a second ejector rod (103) inserted on the lower partition (105); the upper end of the ejector rod I (106) is fixedly connected with a plug (111), and a spring I (110) is sleeved on the ejector rod I (106) positioned between the plug (111) and the upper partition (109); the lower end of the second ejector rod (103) is fixedly connected with a blocking block (102), and a second spring (104) is sleeved on the second ejector rod (103) between the blocking block (102) and the lower partition (105); one end of the water outlet channel (107) is communicated with the middle mounting cavity, and the other end of the water outlet channel (107) is communicated with the middle mounting cavity III; when the first spring (110) is free from external force, the plug (111) plugs a connecting port of the water outlet channel (107) and the middle mounting cavity, and when the second spring (104) is free from external force, the plug (102) plugs a connecting port of the water outlet channel (107) and the middle mounting cavity;

the cover body (101) is provided with a side mounting cavity, and the side mounting cavity is divided into a first side mounting cavity and a second side mounting cavity by a middle partition (116); the water inlet sealing assembly comprises a third spring (115) arranged on one side of the middle partition (116), and the third spring (115) is connected with a side blocking block (113); one end of the water inlet channel (114) is communicated with the side mounting cavity, and the other end of the water inlet channel (114) is communicated with the side mounting cavity II; when the spring III (115) is free from external force, the side blocking block (113) blocks the connection port between the water inlet channel (114) and the side mounting cavity II.

2. The water leakage prevention filter cartridge cover according to claim 1, wherein: elastic water-blocking rings (108) are arranged in the water inlet channel (114) and the water outlet channel (107), and a plurality of elastic notches (117) are formed in the elastic water-blocking rings (108).

3. The water leakage prevention filter cartridge cover according to claim 1, wherein: and a limiting block (112) is arranged on the wall of the side mounting cavity II.

4. The water leakage prevention filter cartridge cover according to claim 1, wherein: and one end of the second ejector rod (103) extending into the second middle mounting cavity is provided with a butt joint groove (118), and one end of the first ejector rod (106) extending into the second middle mounting cavity is inserted into the butt joint groove (118).

5. The water leakage prevention filter cartridge cover according to claim 1, wherein: the water outlet channel (107) is annularly arranged around the middle installation cavity.

6. The water leakage prevention filter cartridge cover according to claim 1, wherein: and a first sealing ring is arranged between the blocking block (102) and the cover body (101).

7. A filter cartridge, characterized in that: comprises a cylinder body (204), a filter pipe (205) and the water leakage prevention filter cylinder cover of any one of claims 1 to 6; the lower end of the filter pipe (205) is fixedly connected with a connecting seat (206), the outer end of the connecting seat (206) is connected with a connecting ring (208), and the connecting seat (206) is provided with a central through hole (207); the upper end of the cover body (101) is connected with a connecting ring (208), and when the spring I (110) is not subjected to external force, the upper part of the plug (111) is inserted into the central through hole (207); a clamping groove (201) is formed in the cover body (101), and the lower end of the barrel body (204) is inserted into the clamping groove (201).

8. The filter cartridge of claim 7, wherein: the connecting ring (208) is in threaded connection with the connecting seat (206), and inserting grooves (213) are uniformly distributed on the outer circumferential surface of the connecting ring (208); the upper end of the cover body (101) is provided with a mounting groove (203), and the wall of the mounting groove (203) is provided with an inserting strip.

9. The filter cartridge of claim 8, wherein: the tank bottom of mounting groove (203) is equipped with sealed packing groove (202), installs sealed pad (209) in sealed packing groove (202), and sealed pad (209) are equipped with through-hole (212) between two parties, and sealed pad (209) upper end equipartition has concentric sand grip of annular (214), and connecting seat (206) lower extreme equipartition has the concentric recess of annular.

10. The filter cartridge of claim 7, wherein: a threaded hole is formed in one side of the clamping groove (201), and the barrel (204) and the cover body (101) are fixed through a bolt (211); a second sealing ring (210) is arranged between the cylinder body (204) and the cover body (101).