Filter assembly and water cup

Abstract

The utility model discloses a filtering assembly which is convenient to take and place and more sanitary. The utility model further provides a water cup with the filtering assembly, the production cost of the water cup is reduced, and the water cup is convenient to use. The filter assembly comprises a clamping ring, a filter screen and an elastic ring, the clamping ring is provided with a water drinking channel in an up-down penetrating mode and is sequentially provided with a water drinking part and a mounting part from top to bottom. The outer wall of the junction of the drinking part and the mounting part extends outwards in the radial direction to be provided with a first clamping ring abutting against the upper end opening of the cup opening for limiting; the filter screen is of an upper-end open structure and is connected to the lower end of the mounting part, and a plurality of water filtering holes are formed in the surface of the filter screen; the elastic ring is of an annular structure, has elasticity, is connected to the side wall of the mounting part in a sleeving mode and is located between the first clamping ring and the filter screen; the outer diameter of the first clamping ring is larger than the inner diameter of the cup opening. The outer diameter of the elastic ring is larger than the inner diameter of the cup opening and not larger than the outer diameter of the first clamping ring. The outer diameters of the mounting part and the filter screen are smaller than the inner diameter of the cup opening; the water cup comprises the filtering assembly, a cup cover and a cup body.

Description

Technical Field

[0001] The utility model belongs to the technical field of water cups, and in particular relates to a filter component and a water cup. Background Art

[0002] Currently on the market, water cups with filter components generally have the filter component placed inside the mouth of the cup; and a clip needs to be rolled on the neck of the inner liner of the cup so that the filter component can be clipped onto the clip.

[0003] The existing structure has the following defects: first, when taking out and putting the filter component, you need to put your hand into the cup mouth, which is very inconvenient and relatively unhygienic; second, it is necessary to add a rolling rib process to the inner liner of the water cup, which increases the production cost. Summary of the Invention

[0004] The purpose of the utility model is to solve the problems existing in the prior art and provide a filter assembly that is easy to take and put away and is more hygienic; and to provide a water cup with the filter assembly, which reduces the production cost of the water cup and is easy to use.

[0005] In order to achieve the above-mentioned purpose, the present utility model adopts the following technical solutions.

[0006] A filter assembly includes a clamping ring, a filter screen and an elastic ring; the clamping ring has a drinking water channel running through it from top to bottom, and is provided with a drinking water part and a mounting part in sequence from top to bottom; the outer wall of the junction between the drinking water part and the mounting part extends radially outward and is provided with a first clamping ring that abuts and limits the upper end of the cup mouth; the filter screen is an open structure at the upper end, connected to the lower end of the mounting part, and has a plurality of water filtering holes on its surface; the elastic ring is an annular structure and is elastic, is sleeved on the side wall of the mounting part, and is located between the first clamping ring and the filter screen; the outer diameter of the first clamping ring is larger than the inner diameter of the cup mouth; the outer diameter of the elastic ring is larger than the inner diameter of the cup mouth, and is not larger than the outer diameter of the first clamping ring; the outer diameters of the mounting part and the filter screen are both smaller than the inner diameter of the cup mouth.

[0007] By adopting the above technical solution, a first clamping ring is provided on the clamping ring, and its outer diameter is larger than the inner diameter of the cup mouth, so that it can be limited at the cup mouth and the drinking part is exposed at the cup mouth; by providing an elastic ring and setting its outer diameter to be larger than the inner diameter of the cup mouth, the elastic ring can use its own elastic force to tightly contact with the inner diameter of the cup mouth, so that the clamping ring can be fixed at the cup mouth and the gap between the clamping ring and the inner wall of the cup mouth can be sealed; by providing a filter screen, solid soaked objects such as tea leaves can be filtered; this setting makes it convenient to take and put the filter screen assembly not completely inside the cup mouth, and the hands will not reach into the cup mouth and the filter screen, which is more hygienic.

[0008] Preferably, a second snap ring is provided radially outward on the side wall of the mounting portion, and the second snap ring divides the mounting portion into a sleeve portion and a connecting portion; the first snap ring and the second snap ring form an annular groove to form the sleeve portion; the elastic ring is sleeved on the sleeve portion; the filter is connected to the connecting portion, and its upper end is abutted and limited below the second snap ring; the outer diameter of the second snap ring is smaller than the inner diameter of the cup mouth; the outer diameter of the elastic ring is larger than the outer diameter of the second snap ring.

[0009] By adopting the above technical solution, the second clamping ring is provided to facilitate the installation of the elastic ring, so that it is limited between the first clamping ring and the second clamping ring and will not escape; and the outer diameter of the second clamping ring is smaller than the inner diameter of the cup mouth, which is convenient for insertion into the cup mouth.

[0010] Preferably, the elastic ring includes an annular main body, the outer wall of the main body protrudes radially outward and is provided with at least one circle of ribs; and the outer diameter of the main body is smaller than the inner diameter of the cup mouth; the outer diameter of the ribs is larger than the inner diameter of the cup mouth, and not larger than the outer diameter of the first retaining ring.

[0011] By adopting the above technical solution, by setting a convex rib and setting the outer diameter of the main body to be smaller than the inner diameter of the cup mouth, the convex rib is in contact with the inner wall of the cup mouth. The thickness of the convex rib is thinner than the main body, so it is softer than the main body. After the rib is in contact with the inner wall of the cup mouth, the force required for taking and placing is more appropriate, and the cup can be put in or taken out easily. In addition, less material is used, which reduces costs.

[0012] Preferably, the outer wall of the main body is provided with two circles of ribs protruding radially outward.

[0013] By adopting the above technical solution and using two circles of ribs, the sealing and connection stability can be ensured.

[0014] Preferably, the elastic ring is made of food-grade silicone.

[0015] By adopting the above technical solution, the food-grade silicone material is soft, elastic and has good friction, has good sealing performance, and can stably fix the filter component on the cup mouth.

[0016] Preferably, the inner side of the drinking water portion is in the shape of an "inverted eight" with the inner diameter gradually increasing from bottom to top.

[0017] By adopting the above technical solution, by setting the inner side of the drinking water portion into an "inverted eight" shape, it is convenient to guide and concentrate the water when pouring water.

[0018] Preferably, the clamping ring and the filter screen are both made of metal.

[0019] By adopting the above technical solution, the clamping ring and the filter are made of metal, which can give the water cup an overall metallic texture.

[0020] Preferably, the clamp ring and the filter are both made of plastic.

[0021] Using the above technical solution, the clamp ring and filter are made of plastic material, which feels softer than the metal cup mouth. When drinking water, the user's lips come into contact with the plastic drinking part, which will provide a better user experience. Moreover, compared with metal material, plastic material has lower material cost and is more convenient to produce and process.

[0022] A water cup comprises the filter assembly as described above, a cup lid and a cup body; the filter assembly is plugged into the cup mouth of the cup body, the elastic ring contacts and seals the inner wall of the cup mouth, the mounting parts of the filter screen and the clamp ring are both placed in the cup mouth, the first clamp ring contacts and limits the upper end of the cup mouth, and the drinking part of the clamp ring is exposed outside the upper end of the cup mouth; the cup lid is connected to the cup mouth of the cup body and covers the upper opening of the sealed drinking part.

[0023] By adopting the above technical solution, a first clamping ring is provided on the clamping ring, and its outer diameter is larger than the inner diameter of the cup mouth, so that it can be limited at the cup mouth and the drinking part is exposed at the cup mouth; by providing an elastic ring and setting its outer diameter to be larger than the inner diameter of the cup mouth, the elastic ring can use its own elastic force to tightly contact with the inner diameter of the cup mouth, so that the clamping ring can be fixed at the cup mouth and the gap between the clamping ring and the inner wall of the cup mouth can be sealed; by providing a filter screen, solid soaked objects such as tea leaves can be filtered; this setting makes it possible for the filter screen assembly to not be completely placed in the cup mouth, which is convenient for taking and placing, and the hands will not reach into the cup mouth and the filter screen, which is more hygienic; there is no need to set a clamping rib at the mouth of the water cup to clamp the filter screen assembly, thereby reducing production costs and improving production efficiency.

[0024] Preferably, the cup body includes an inner liner and an outer shell, and the gap layer between the inner liner and the outer shell is a vacuum layer; an external thread is provided on the side wall of the upper port of the outer shell; an internal thread corresponding to the external thread is provided on the inner side wall of the cup cover; and a sealing ring is provided in the slot below to seal with the drinking part.

[0025] By adopting the above technical solution, the vacuum layer facilitates heat preservation, the external thread and the internal thread facilitate the connection between the cup cover and the cup body, and the sealing ring facilitates sealing the upper port of the drinking water part. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the three-dimensional decomposition structure of the filter component.

[0027] Figure 2 It is a schematic diagram of the cross-sectional structure of the filter component.

[0028] Figure 3 yes Figure 1 Schematic diagram of the cross-sectional structure of the middle clamping ring.

[0029] Figure 4 It is a schematic diagram of the three-dimensional exploded structure of a water cup of the present utility model.

[0030] Figure 5It is a schematic cross-sectional view of a water cup of the present invention. DETAILED DESCRIPTION

[0031] In order to make the technical solution of the present invention clearer, the following Figures 1 to 2 It should be understood that the specific embodiments described in this specification are only for explaining the present invention and are not intended to limit the scope of protection of the present invention. Example 1

[0032] A filter assembly is inserted into the cup mouth and comprises a clamping ring 1, a filter screen 2 and an elastic ring 3, wherein the filter screen 2 is arranged below the clamping ring 1 and the elastic ring 3 is sleeved on the outer wall of the clamping ring 1.

[0033] Preferably, the clamping ring 1 has a drinking channel 10 running through it from top to bottom, and is provided with a drinking portion 11 and a mounting portion 12 in sequence from top to bottom; wherein, the outer wall of the junction of the drinking portion 11 and the mounting portion 12 is radially extended outward to provide a first clamping ring 13 that abuts against the upper end of the cup mouth to limit the position; the lower end of the outer wall of the mounting portion 12 is radially provided with a second clamping ring 14, and the second clamping ring 14 divides the mounting portion 12 into a sleeve portion 121 and a connecting portion 122; wherein the first clamping ring 13 and the second clamping ring 14 form an annular groove with the sleeve portion 121; the outer diameter of the mounting portion 12 is smaller than the inner diameter of the cup mouth, so as to facilitate insertion into the cup mouth.

[0034] Preferably, the outer diameter of the second snap ring 14 is smaller than the inner diameter of the cup mouth, and the outer diameter of the first snap ring 13 is larger than the outer diameter of the second snap ring 14 and the inner diameter of the cup mouth; the first snap ring 13 abuts against the upper end of the cup mouth to limit the position, so that the drinking part 11 is exposed outside the upper end of the cup mouth.

[0035] Preferably, the inner side of the drinking water portion 11 is in the shape of an "inverted eight" with the inner diameter gradually increasing from bottom to top, so as to facilitate the diversion of water.

[0036] Preferably, the elastic ring 3 is annular in structure and is made of food-grade silicone material. It is sleeved on the sleeve portion 121, and its outer diameter is larger than the outer diameter of the second clamping ring 14 and the inner diameter of the cup mouth, and not larger than the outer diameter of the first clamping ring 13. The elastic ring 3 contacts the inner wall of the cup mouth. Firstly, it is used to seal water to prevent water from leaking from the gap between the cup mouth and the clamping ring 1 when drinking water; secondly, it can fix the clamping ring 1 on the cup mouth to prevent it from falling off and rotating.

[0037] Preferably, the elastic ring 3 includes an annular main body 31, the outer wall of the main body 31 protrudes radially outward and is provided with at least one circle of ribs 32, and the outer diameter of the main body 31 is smaller than the inner diameter of the cup mouth; the outer diameter of the ribs 32 is larger than the inner diameter of the cup mouth, and is not larger than the outer diameter of the first retaining ring 13; this embodiment has two circles of ribs 32, and the ribs 32 are in conflict with the inner wall of the cup mouth; the use of two circles of ribs 32 can ensure the sealing and stability of the connection.

[0038] Preferably, the filter 2 is an open structure at the upper end, with an outer diameter no larger than the inner diameter of the cup mouth, and a plurality of water filter holes 21 are provided on at least one of the side walls and the bottom wall. In this embodiment, both the side walls and the bottom wall are preferably provided with water filter holes 21, which can increase the water flow rate; the filter 2 is connected to the connecting portion 122, and its upper port is limited by the second retaining ring 13.

[0039] Preferably, the clamp ring 1 and the filter screen 2 can be detachably connected, such as by snap connection, threaded connection, etc.; or they can be fixedly connected. For example, if the clamp ring 1 and the filter screen 2 are both made of plastic material, they can be injection molded as one piece or fixed by welding. If the clamp ring 1 and the filter screen 2 are made of metal material (stainless steel, titanium), they can be welded and fixed or formed as one piece by metal processing.

[0040] When in use, you only need to plug the filter assembly into the cup mouth, and fix it by the elastic ring 3 against the inner wall of the cup mouth. The filter 2 and the mounting part 12 of the clamping ring 1 are both placed in the cup mouth, and the first clamping ring 13 is in contact with the upper end of the cup mouth to limit the position, so that the drinking part 11 of the clamping ring 1 is exposed outside the upper end of the cup mouth.

[0041] Since the drinking portion 11 is exposed outside the upper end of the cup mouth, the user's lips are in contact with the drinking portion 11 when drinking water; the water cup is generally made of stainless steel or titanium metal materials. When the clamp ring 1 is made of plastic material, its touch is softer than the metal cup mouth, and the user experience will be better; and when the clamp ring 1 is made of metal material, the water cup can have an overall metallic texture. Example 2

[0042] A water cup comprises a cup cover 4, a cup body 5 and the filter assembly in embodiment 1.

[0043] The cup body 5 includes an inner liner 51 and an outer shell 52 . The gap layer 53 between the inner liner 51 and the outer shell 52 is a vacuum layer. An external thread 54 is provided on the side wall of the upper port of the outer shell 52 .

[0044] The filter assembly is inserted into the cup mouth of the cup body 5, the elastic ring 3 is fixed in contact with the inner wall of the cup mouth, the filter 2 and the mounting part 12 of the clamping ring 1 are both placed in the cup mouth, and the first clamping ring 13 is limited in contact with the upper end of the cup mouth, so that the drinking part 11 of the clamping ring 1 is exposed outside the upper end of the cup mouth.

[0045] The cup cover 4 is covered on the cup mouth of the cup body 5, and its inner wall is provided with an internal thread 41 corresponding to the external thread 54; and a sealing ring 6 is provided in the card groove below it to contact and seal with the drinking part 11 in the filter assembly.

Claims

1. A filter assembly, characterized in that: It includes a clamping ring (1), a filter screen (2) and an elastic ring (3); A clamping ring (1) has a drinking channel (10) extending therethrough from top to bottom, and is provided with a drinking portion (11) and a mounting portion (12) in sequence from top to bottom; a first clamping ring (13) is provided on the outer wall of the junction between the drinking portion (11) and the mounting portion (12) and extends radially outward to abut against the upper end of the cup mouth; The filter (2) is an open structure at the upper end, connected to the lower end of the mounting portion (12), and has a plurality of water filtering holes (21) on its surface; The elastic ring (3) is an annular structure and has elasticity, is sleeved on the side wall of the mounting portion (12), and is located between the first clamping ring (13) and the filter screen (2); The outer diameter of the first clamping ring (13) is larger than the inner diameter of the cup mouth; The outer diameter of the elastic ring (3) is larger than the inner diameter of the cup mouth and is not larger than the outer diameter of the first clamping ring (13); The outer diameters of the mounting portion (12) and the filter (2) are both smaller than the inner diameter of the cup mouth.

2. A filter assembly according to claim 1, characterized in that: A second snap ring (14) is provided radially outward on the side wall of the mounting portion (12), and the second snap ring (14) divides the mounting portion (12) into a sleeve portion (121) and a connecting portion (122) at the top and bottom. The first snap ring (13) and the second snap ring (14) form a ring groove to form a sleeve connection portion (121); the elastic ring (3) is sleeved in the sleeve connection portion (121); The filter screen (2) is connected to the connecting portion (122), and its upper end is abutted and limited below the second clamping ring (14); The outer diameter of the second clamping ring (14) is smaller than the inner diameter of the cup mouth; The outer diameter of the elastic ring (3) is greater than the outer diameter of the second clamping ring (14).

3. A filter assembly according to claim 2, characterized in that: The elastic ring (3) comprises an annular main body (31), the outer wall of the main body (31) being radially outwardly protruding and provided with at least one circle of ribs (32); the outer diameter of the main body (31) is smaller than the inner diameter of the cup mouth; the outer diameter of the ribs (32) is larger than the inner diameter of the cup mouth and not larger than the outer diameter of the first clamping ring (13).

4. A filter assembly according to claim 3, characterized in that: The outer wall of the main body (31) is radially outwardly protruding and provided with two circles of convex ribs (32).

5. The filter assembly according to claim 1, characterized in that: The elastic ring (3) is made of food grade silicone.

6. The filter assembly according to claim 1, characterized in that: The inner side of the drinking water portion (11) is in the shape of an "inverted eight" with the inner diameter gradually expanding from bottom to top.

7. The filter assembly according to claim 1, characterized in that: The clamping ring (1) and the filter screen (2) are both made of metal.

8. The filter assembly according to claim 1, characterized in that: The clamping ring (1) and the filter (2) are both made of plastic.

9. A water cup, characterized by: It comprises a filter assembly according to any one of claims 1 to 8, a cup cover (4) and a cup body (5); The filter assembly is plugged into the cup mouth of the cup body (5), the elastic ring (3) contacts the inner wall of the cup mouth to be sealed and fixed, the filter (2) and the mounting portion (12) of the clamping ring (1) are both placed in the cup mouth, the first clamping ring (13) contacts the upper end of the cup mouth to limit the position, and the drinking water portion (11) of the clamping ring (1) is exposed outside the upper end of the cup mouth; The cup cover (4) is connected to the cup mouth of the cup body (5) and covers the upper opening of the sealed drinking water portion (11).

10. The water cup according to claim 9, characterized in that: The cup body (5) comprises an inner liner (51) and an outer shell (52), wherein the gap layer (53) between the inner liner (51) and the outer shell (52) is a vacuum layer; and an external thread (54) is provided on the side wall of the upper port of the outer shell (52); The cup cover (4) has an inner side wall provided with an inner thread (41) correspondingly connected to the outer thread (54); and a sealing ring (6) is provided in the lower groove thereof to contact and seal with the drinking portion (11).

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