CN209740743U - Filter flask and filter element subassembly - Google Patents

Abstract

The utility model discloses a filter flask and filter element subassembly. The filter flask is provided with a raw water inlet, a purified water outlet and an inner cavity for accommodating a filter medium, and the raw water inlet and the purified water outlet are respectively in fluid connection with the inner cavity through a water path; at least one set of sealing assembly is arranged in each waterway, and each sealing assembly comprises a water stop ring, a rubber plug and an elastic piece; wherein, the fixed setting of stagnant water ring is in on the inner peripheral surface in water route, the rubber buffer has can the butt seal the primary importance of stagnant water ring, and keeps away from the secondary position of stagnant water ring, the elastic component with the rubber buffer is connected and can drive the rubber buffer reachs the primary importance is in order to seal the water route, and then can prevent to flow out or outside dust entering filter flask at the inside residual liquid of in-process bottle of dismantling the filter flask.

Description

Filter flask and filter element subassembly

Technical Field

The utility model relates to a water purification unit technical field especially relates to a filter flask and use filter element group spare of this filter flask.

Background

In the water purifier or the water purifying device, the filter element component is a main filter element, wherein the filter element component comprises a filter bottle, a filter medium contained in the inner cavity of the filter bottle and a connector connecting the filter element component to a raw water end and a purified water outlet. The filter medium is arranged in the filter flask, and the bottle mouth of the filter flask is connected with the joint to form a complete water channel communicated with the water inlet and the water outlet of the filter medium, so that a complete water filtering circulating flow channel of the filter element assembly is formed. The raw water enters the inner cavity of the filter bottle through the raw water inlet of the filter bottle and the corresponding water way, and filtered water filtered by the filter medium flows out from the joint of the filter bottle. In order to ensure water sanitation and water safety and prevent secondary pollution, the filter element assembly needs to be replaced frequently. In the filter element group spare replacement process, need the filter flask to dismantle, consequently prevent to remain in the filter flask liquid outflow and prevent that the dust from getting into the filter flask scheduling problem before the new filter element group spare is not installed and is accomplished, put forward higher requirement to the sealed of filter flask. Therefore, it is desirable to provide a filter flask, a filter element and a water purifier to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve above-mentioned problem, provide a filter flask that sealing performance is good to and use filter element group spare and the water purifier of this filter flask. The filter flask can open or will when dismantling the state at the filter flask through adopting seal assembly such as seal ring, rubber buffer and elastic component the water route of filter flask is sealed to can prevent that external dust from getting into remaining rivers play in filter core or the filter core.

In order to achieve the above purpose, the present invention adopts the following technical solution.

A filter flask, the filter flask has raw water import, water purification export and is used for acceping the inner chamber of filter medium, raw water import and water purification export respectively through a water route with inner chamber fluid coupling, the filter flask still includes at least a set of seal assembly, seal assembly sets up in the water route, and include: a water stop ring fitted to an inner peripheral surface of the waterway to be disposed at a fixed position of the waterway; the rubber plug moves between a first position where the rubber plug is abutted to seal the water stop ring and a second position away from the water stop ring; the elastic piece is connected with the rubber plug and supports the rubber plug; wherein when the rubber plug is in the first position, the waterway is closed; when the rubber buffer is in the second position, the water route is opened.

further, the waterway has a platform extending from an inner circumferential surface of the waterway for supporting the elastic member in the waterway.

Further, the rubber stopper with the elastic component sets up between the seal ring with the platform for the rubber stopper with between the seal ring with the platform the first position with the second position remove.

Further, the waterway has a flange disposed along an inner circumferential surface of the waterway to cooperate with the water stop ring to position the water stop ring in a fixed position of the waterway.

Furthermore, the outer ring surface of the water stop ring is in a step shape and is matched with the flange.

Further, the elastic component is a spring, and the spring sleeve is arranged outside the rubber plug to be connected with the rubber plug.

Further, the rubber plug is provided with a plug head part and a connecting part connected to the bottom surface of the plug head part; the spring is sleeved outside the connecting part.

Further, the elastic part is an elastic body, and the maximum outer diameter of the elastic body is smaller than the inner diameter of the waterway.

The utility model also provides a filter element group spare, filter element group spare include with above-mentioned filter flask and accept in filter media in the filter flask inner chamber.

the utility model discloses further provide a water purifier, including at least one filter element group spare, wherein the filter element group spare includes above-mentioned filter flask, and accept in the filter media of filter flask inner chamber.

The utility model discloses an in the filter flask, through sealing component's such as elastic component, rubber buffer and seal ring setting makes the filter flask can reach the sealed effect in water route to filter medium's rivers go out or outside dust gets into when preventing the filter flask dismantlement state. The utility model discloses in, seal assembly can set up in the water inlet channel or the water outlet channel of filter flask, it is nimble to use the position. In addition, this used neotype seal assembly simple structure, low in cost, the implementation of being convenient for is promoted.

Drawings

FIG. 1 is a cross-sectional view of an embodiment of a filter flask of the present invention;

FIG. 2 is a block diagram of a filter flask according to the present invention;

FIG. 3 is a partially enlarged view of FIG. 2, showing mainly the connection between the water stop ring and the rubber stopper;

FIG. 4 is an exploded block diagram of an embodiment of a filter cartridge assembly.

The numbers in the figures are respectively:

1. A filter flask; 10. A raw water inlet or a purified water outlet;

10a, a raw water inlet; 10b, a purified water outlet;

11. A waterway; 12. A flange;

13. a platform; 14. An inner cavity;

2. A seal assembly; 20. A water stop ring;

21. A rubber plug; 210. A plug portion;

211. a connecting portion; 22. An elastic member;

3. And (4) a joint.

Detailed Description

the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 and 2, the filter flask has a raw water inlet 10a, a purified water outlet 10b, an inner chamber 14 for receiving a filter medium, and at least one set of sealing members 2. The raw water inlet 10a and the purified water outlet 10b are respectively in fluid connection with the inner cavity 14 through a water path 11, and the sealing assembly 2 is arranged in the water path 11. The sealing component 2 comprises a water stop ring 20, a rubber plug 21 and an elastic piece 22; wherein, the water stop ring 20 is fixed to be set up on the inner peripheral surface of water route 11, rubber buffer 21 has can the butt seal the primary importance of water stop ring 20, and keep away from the secondary importance of water stop ring 20, elastic component 22 with rubber buffer 21 is connected and can drive rubber buffer 21 reaches primary importance, with the closure water route 11, and then can prevent to flow out or outside dust gets into the filter flask at the inside residual liquid of in-process bottle of dismantling the filter flask.

as shown in fig. 2, the water path 11 is disposed in a mouth region of the filter flask, and is capable of fluidly connecting the raw water inlet 10a or the purified water outlet 10b with the inner cavity 14 of the filter flask, thereby forming a raw water inlet passage or a purified water outlet passage, respectively. In this embodiment, a platform 13 and a flange 12 are respectively disposed in the waterway 11, wherein the flange 12 is closer to the inner cavity 14 of the filter bottle than the platform 13. Specifically, the flange 12 is stepped and provided along the circumferential direction of the inner circumferential surface of the water passage 11; the platform 13 is radially extended from the inner circumferential surface of the waterway 11, and the area of the platform 13 is smaller than the area of the inner cross section of the waterway 11, so as to ensure that the platform 13 does not influence the circulation of water in the waterway 11.

Please continue to refer to fig. 2. The outer annular surface of the water stop ring 20 is fitted to the inner circumferential surface of the waterway 11, and the water stop ring 20 is disposed at a fixed position along the circumferential direction of the inner circumferential surface of the waterway 11. In this embodiment, the outer circumferential surface of the water stop ring 20 is in a step shape matching with the inner circumferential surface of the flange 12, and the water stop ring 20 is fixedly disposed on the inner circumferential surface of the waterway 11 through the flange 12.

please continue to refer to fig. 2. The rubber stopper 21 is arranged in the waterway 11 and can move between a first position where the water stop ring 20 is abutted and sealed and a second position where the water stop ring 20 is far away. In this embodiment, the rubber stopper 21 includes a stopper head portion 210 and a connecting portion 211 connected to the bottom surface of the stopper head portion 210, the rubber stopper 21 is integrally disposed between the platform 13 and the flange 12, and the outer peripheral surface of the stopper head portion 210 can abut against the profile of one end of the rubber stopper 21 close to the inner annular surface of the water stop ring 20, so as to seal the water stop ring 20.

please continue to refer to fig. 2. The elastic member 22 is fixedly arranged in the waterway 11 and is fixedly connected with the rubber stopper 21. In this embodiment, elastic component 22 is the spring, just the vertical setting of spring is in flange 12 with between the platform 13, spring one end rigid coupling is in on the platform 13, another pot head of spring is established the lateral surface of connecting portion 211 is in order to connect and support rubber buffer 21. In specific implementation, the elastic member 22 can be an elastic body, and the outer diameter of the elastic body is smaller than the inner diameter of the waterway 11 to ensure the circulation of the waterway 11. In the specific use process, when the joint 3 is pulled out, the elastic member 22 can drive the rubber plug 21 to reach the first position, so that the waterway 11 is sealed, and the sealing effect is achieved.

The utility model also provides a filter element group spare, filter element group spare includes above-mentioned filter flask and sets up the filter media (not marked in the figure) of filter flask inner chamber.

the utility model also provides a water purifier, this water purifier include filter element group spare, filter element group spare adopts above-mentioned filter element group spare or the filter flask adopts above-mentioned filter flask. The water purifier is sealed effectual, and convenient renew cartridge has solved the inside liquid outflow of water purifier renew cartridge in-process filter flask and has had outside dust to get into the scheduling problem, has improved the sealing performance and the customer of purifier and has used experience.

A working process of the filter flask:

When a connector 3 is inserted from the raw water inlet 10a or the purified water outlet 10b, the connector 3 can drive the rubber plug 21 to the second position, at this time, the elastic member 22 is compressed, the waterway 11 is opened, and the connector 3 is in fluid communication with the waterway 11 to form a complete raw water inlet channel or a purified water outlet channel; when the connector 3 is taken out, the elastic member 22 drives the rubber stopper 21 to the first position, the waterway 11 is sealed, and the filter bottle can achieve a sealing effect.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (9)

1. The utility model provides a filter flask, the filter flask has raw water import, water purification export and is used for acceping the inner chamber of filter medium, raw water import and water purification export respectively through a water route with inner chamber fluid coupling, its characterized in that, the filter flask still includes at least a set of seal assembly, seal assembly sets up in the water route to include:

A water stop ring fitted to an inner peripheral surface of the waterway to be disposed at a fixed position of the waterway;

the rubber plug moves between a first position where the rubber plug is abutted to seal the water stop ring and a second position away from the water stop ring; and the number of the first and second groups,

the elastic piece is connected with the rubber plug and supports the rubber plug; wherein,

When the rubber plug is located at the first position, the waterway is closed; when the rubber buffer is in the second position, the water route is opened.

2. The filter bottle of claim 1, wherein the waterway has a platform extending from an inner peripheral surface of the waterway for supporting the resilient member in the waterway.

3. The filter bottle of claim 2, wherein the rubber stopper and the resilient member are disposed between the water stop ring and the platform such that the rubber stopper moves between the first position and the second position between the water stop ring and the platform.

4. The filter bottle of claim 1, wherein the waterway has a flange disposed along an inner peripheral surface of the waterway to cooperate with the water stop ring to position the water stop ring in a fixed position in the waterway.

5. The filter bottle of claim 4, wherein the outer annular surface of the water stop ring is stepped to mate with the flange.

6. the filter bottle of claim 1, wherein the resilient member is a spring, and the spring is sleeved outside the rubber plug to connect with the rubber plug.

7. the filter bottle of claim 6, wherein the rubber stopper has a stopper head portion and a connecting portion connected to a bottom surface of the stopper head portion; the spring is sleeved outside the connecting part.

8. The filter bottle of claim 1, wherein the resilient member is an elastomer having a maximum outer diameter that is less than an inner diameter of the waterway.

9. a filter cartridge assembly comprising a filter cartridge according to any one of claims 1 to 8 and a filter media contained within the interior chamber of the filter cartridge.