Filter element and filter device

Patent metadata

Field	Value
Publication number	US-10675563-B2
Application number	US-201715611321-A
Country	US
Kind code	B2
Filing date	Jun 1, 2017
Priority date	Dec 3, 2014
Publication date	Jun 9, 2020
Grant date	Jun 9, 2020

Abstract

Disclosed are a filter element and a filter device using the filter element. The filter element includes: a base, wherein the base is installed on the filter device, and a first passage and a second passage are disposed at least partially in the base; and a filter body, wherein the filter body is detachably connected to an upper part of the base, the filter body has a filter space therein, a first filter passage and a second filter passage are connected and arranged on the two ends of the filter space, and a filter material for filtration is provided in the filter space. When the filter element is in a working state, the first filter passage and the first passage are connected for fluid communication, and the second filter passage and the second passage are connected for fluid communication.

First claim

What is claimed is:

1. A filter element used in a filter device, comprising:
a seat body mounted on the filter device, the seat body comprising a first passage, a second passage, a base body, and a rotating body, wherein the base body is mounted on the filter device, the first passage and the second passage are disposed at least partially in the base body, the rotating body is rotatably connected to an upper portion of the base body, the rotating body comprises a rotating plate with a first pipe and a second pipe provided thereon, the upper portion of the base body comprises a groove, the rotating plate is provided on a bottom of the groove, and a first thread structure is provided on an inner sidewall of the groove; and
a filter body detachably connected to an upper portion of the seat body, the filter body comprising a filter space therein, the filter space having two ends which are connected respectively through a first filter passage and a second filter passage, and a filter material being provided in the filter space, wherein a lower portion of the filter body comprises a boss structure, and a second thread structure that mates with the first thread structure is provided on an outer sidewall of the boss structure; and
wherein when the filter element is in a working state, the first filter passage and the first passage are connected for fluid communication, the second filter passage and the second passage are connected for fluid communication.

2. The filter element according to claim 1 ,
wherein when the filter element is in the working state, a lower opening of the first pipe is connected with the first passage, an upper portion of the first pipe is inserted into the first filter passage, an upper opening of the first pipe is connected with the first filter passage, a lower opening of the second pipe is connected with the second passage, an upper portion of the second pipe is inserted into the second filter passage, and an upper opening of the second pipe is connected with the second filter passage.

3. The filter element according to claim 1 , wherein when the filter element is in a disassemble state, the rotating plate closes the upper openings of the first and second passages.

4. The filter element according to claim 1 , wherein a seal structure is provided between the base body and the rotating body.

5. The filter element according to claim 1 , wherein both the first filter passage and the second filter passage are provided with a water-sealed shoulder, a seal ring and a water-sealed block, wherein the seal ring is arranged close to the base body, the water-sealed block is positioned above the seal ring, the water-sealed shoulder is positioned above the water-sealed block; when the filter element is in the working state, the first pipe and the second pipe push the water-sealed block against the water-sealed shoulder, such that the first filter passage is connected with the first passage through the first pipe, and the second filter passage is connected with the second passage through the second pipe; when the filter element is in a disassemble state, the water-sealed block falls down to fit the seal ring, such that lower openings of the first and second filter passages are closed.

6. The filter element according to claim 5 , wherein the upper openings of the first and second pipes are L-shaped openings.

7. The filter element according to claim 5 , wherein a return spring is provided between the water-sealed shoulder and the water-sealed block.

8. The filter element according to claim 5 , wherein the water-sealed block is made of elastic material.

9. The filter element according to claim 1 , wherein the filter material comprises active carbon.

10. The filter element according to claim 9 , wherein the filter space comprises a lower portion filled with the active carbon and an upper portion filled with wadding.

11. The filter element according to claim 1 , wherein, an upper portion of the second filter passage is connected with a guide pipe whose upper opening is arranged close to a top of the filter space.

12. The filter element according to claim 11 , wherein the filter space is further provided therein a bracket and a stepped through hole in the bracket, the guide pipe is inserted in the stepped through hole, with a lower end of the guide pipe pressing against a stepped face of the stepped through hole; a seal ring is provided between the guide pipe and the stepped through hole, a lower portion of the bracket is mounted on an upper shoulder of the second filter passage, and the bracket and the second filter passage is sealed therebetween.

13. The filter element according to claim 1 , wherein a handle for operation is provided on a top surface of the filter body.

14. The filter element according to claim 1 , wherein a shock absorption adhesive is provided on a periphery of a top of the filter body.

15. A filter device, comprising:
a filter element that comprises:
a seat body mounted on the filter device and provided with a first passage, a second passage, a base body, and a rotating body, wherein the base body is mounted on the filter device, the first passage and the second passage are disposed at least partially in the base body, the rotating body is rotatably connected to an upper portion of the base body, the rotating body comprises a rotating plate with a first pipe and a second pipe provided thereon, the upper portion of the base body comprises a groove, the rotating plate is provided on a bottom of the groove, and a first thread structure is provided on an inner sidewall of the groove; and
a filter body detachably connected to an upper portion of the seat body and including a filter space therein, the filter space having two ends which are connected with a first filter passage and a second filter passage, respectively, and a filter material being provided in the filter space, wherein a lower portion of the filter body comprises a boss structure, and a second thread structure that mates with the first thread structure is provided on an outer sidewall of the boss structure; and
wherein when the filter element is in a working state, the first filter passage and the first passage are connected for fluid communication, the second filter passage and the second passage are connected for fluid communication.

16. The filter device according to claim 15 ,
wherein when the filter element is in the working state, a lower opening of the first pipe is connected with the first passage, an upper portion of the first pipe is inserted into the first filter passage, an upper opening of the first pipe is connected with the first filter passage, a lower opening of the second pipe is connected with the second passage, an upper portion of the second pipe is inserted into the second filter passage, and an upper opening of the second pipe is connected with the second filter passage.

17. The filter device according to claim 15 , wherein when the filter element is in a disassemble state, the rotating plate closes the upper openings of the first and second passages.

18. The filter device according to claim 15 , wherein both the first filter passage and the second filter passage are provided with a water-sealed shoulder, a seal ring and a water-sealed block, wherein the seal ring is arranged close to the base body, the water-sealed block is positioned above the seal ring, the water-sealed shoulder is positioned above the water-sealed block.

19. The filter device according to claim 18 , wherein when the filter element is in the working state, the first pipe a

Assignees

• Foshan Viomi Electrical Tech Co Ltd
• Xiaomi Inc
• Chen Xiaoping

Inventors

• Chen Xiaoping
• Liu Xinyu

Classifications

• B01D35/30

  Filter housing constructions · CPC title

• B01D24/10 Primary

  the filtering material being held in a closed container · CPC title

• C02F1/283 Primary

  using coal, charred products, or inorganic mixtures containing them · CPC title

• B01D2101/02

  Carbon filters · CPC title

• B01D2201/304

  Seals or gaskets · CPC title