Filter bag

Abstract

The utility model discloses a filter bag, which relates to the field of filter cups and comprises a support piece, a filter bag is connected to an opening in the middle of the support piece, a connecting belt is connected to the edge of the support piece, the other end of the connecting belt is connected with a protective cover, a protrusion is arranged at the bottom of the protective cover, and the filter bag is arranged on the support piece. The outer diameter of the protrusion is slightly larger than the inner diameter of the middle opening of the supporting piece. The filter cup is designed to be of a structure with the round supporting piece and the filter bag, the round supporting piece is supported on the cup opening and is placed stably, the protective cover is arranged, coffee powder can be stored in the filter bag, the filter bag is covered with the cover for protection, the cover is connected with the supporting piece through the connecting belt, the cover cannot fall on the ground when taken down, and the filter cup is convenient to use. And moreover, the opening structure of the supporting sheet can be better sealed through the clamping groove and the patch structure of the cover, and the protection effect is good.

Description

Technical Field

[0001] This utility model relates to the field of filter bags, specifically a filter bag. Background Technology

[0002] Filter bags possess excellent chemical stability and heat resistance, representing the highest performance in the filter media industry and the most advanced type of commonly used filter materials, achieving high levels in filtration efficiency and precision.

[0003] When processing hand-ground coffee, a filter bag is needed to filter the coffee liquid. If coffee powder is mixed in the coffee liquid, it will affect the taste. Because coffee powder may clog the filter bag during filtration, coffee filter bags are disposable.

[0004] Existing disposable coffee filter bags typically consist of a paper filter bag and paper clips on both sides, shaped like small ears. To use them, the filter bag is hung on the cup, and hot water is poured in to extract coffee. However, these filter cups are only supported by the clips, and the clips tend to detach from the cup when hot water is poured in, resulting in less than ideal performance. Utility Model Content

[0005] Therefore, the purpose of this utility model is to provide a filter bag to solve the technical problem that existing filter cups are easy to detach from the water cup.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a filter bag, comprising a support sheet, wherein a filter bag is connected to the central opening of the support sheet, a connecting strap is connected to the edge of the support sheet, and a protective cover is connected to the other end of the connecting strap.

[0007] By adopting the above technical solution, the support plate is supported on the mouth of the cup and placed stably. Coffee powder can be stored in the filter bag and protected by a protective cover. The protective cover and the support plate are connected by a connecting strap. The cover will not fall to the ground when it is removed and can be closed and closed multiple times.

[0008] The present invention is further provided with a flap at one edge of the protective cover.

[0009] By adopting the above technical solution, it is easy to lift and open the protective cover.

[0010] The present invention is further configured such that the bottom of the protective cover has a protrusion, and the outer diameter of the protrusion is slightly larger than the inner diameter of the opening in the middle of the support piece.

[0011] By adopting the above technical solution, the protrusion can be locked in the opening of the support plate, so that the protective cover will not fall off at will.

[0012] The present invention is further provided with a groove around the protruding outer side, the height of the groove being the same as the thickness of the support piece, and the groove being able to engage with the edge of the opening in the middle of the support piece.

[0013] By adopting the above technical solution, the protective cover and the opening of the support plate can fit more tightly.

[0014] The present invention is further configured such that a patch is provided on the outer edge of the protective cover, and the outer diameter of the patch is larger than the diameter of the opening in the middle of the support piece, and the patch can be tightly fitted to the support piece.

[0015] By adopting the above technical solutions, the protective cover achieves a better protective effect.

[0016] In summary, the present invention has the following main advantages:

[0017] This utility model designs the filter cup as a circular support plate plus a filter bag structure. The circular support plate supports the mouth of the cup, making it stable. It is also equipped with a protective cover. Coffee powder can be stored in the filter bag and the cover can be closed for protection. The cover and the support plate are connected by a connecting strap. The cover will not fall to the ground when it is removed. It can be closed and closed multiple times. Moreover, the slot and patch structure of the cover can better seal the opening structure of the support plate, resulting in good protection. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the protective cover of this utility model;

[0020] Figure 3 This utility model Figure 2 Another perspective view;

[0021] Figure 4 This is a schematic diagram of the structure of the protective cover of this utility model.

[0022] In the diagram: 1. Support plate; 2. Filter bag; 3. Protective cover; 4. Connecting strap; 5. Lifting plate; 6. Protrusion; 7. Slot; 8. Patches. Detailed Implementation

[0023] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0024] The embodiments of this utility model will be described below based on its overall structure.

[0025] A filter bag, such as Figure 1-3 As shown: It includes a support plate 1 and a protective cover 3. A filter bag 2 is connected to the opening in the middle of the support plate 1. In use, the support plate 1 is placed on the container opening, so that the filter bag 2 is recessed into the container. Coffee powder is added to the filter bag 2, and hot water is used to brew the coffee powder in the filter bag 2. The filter bag 2 can be infused with coffee liquid and filter out coffee powder residue.

[0026] Of course, coffee powder can also be stored in the filter bag 2, and then the protective cap 3 can be placed on the top opening of the support plate 1 to protect the coffee powder in the filter bag 2 and make it convenient to carry. The support plate 1 and the protective cap 3 are connected by a connecting strap 4, so that the protective cap 3 will not fall to the ground when it is removed or snapped in, allowing it to be closed and closed multiple times. A flip piece 5 is provided on one edge of the protective cap 3, which can be used to easily remove the protective cap 3.

[0027] like Figure 4 As shown, in order to improve the protective effect of the protective cover 3, this application provides a protrusion 6 at the bottom of the protective cover 3, and the outer diameter of the protrusion 6 is slightly larger than the inner diameter of the opening in the middle of the support piece 1. In this way, the structure of the protrusion 6 can be deformed and locked at the opening of the support piece 1, and will not fall off under normal circumstances.

[0028] Furthermore, a groove 7 is provided on the outer side of the protrusion 6. The height of the groove 7 is the same as the thickness of the support piece 1, and the groove 7 can engage with the edge of the opening in the middle of the support piece 1. After the protrusion 6 is engaged into the opening, the groove 7 also engages with the edge of the opening, resulting in a tighter engagement. In addition, a patch 8 is provided on the outer edge of the protective cover 3, and the outer diameter of the patch 8 is larger than the diameter of the opening in the middle of the support piece 1. When the protective cover 3 is fully closed, the patch 8 fits tightly with the support piece 1, further strengthening the airtight structure.

[0029] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, and variations are within the scope of the claims of the present invention and are protected by patent law.

Claims

1. A filter bag comprising a support sheet (1), characterised in that: The support sheet (1) is connected with a filter bag (2) at the middle opening, and a connecting band (4) is connected at the edge of the support sheet (1), and the other end of the connecting band (4) is connected with a protective cover (3).

2. A filter bag according to claim 1, characterised in that: The edge of the protective cover (3) is provided with a lifting piece (5).

3. A filter bag according to claim 1, characterized in that: The bottom of the protective cover (3) is provided with a protrusion (6), and the outer diameter of the protrusion (6) is slightly larger than the inner diameter of the middle opening of the support sheet (1).

4. A filter bag according to claim 3, characterised in that: The outer side of the protrusion (6) is provided with a ring of clamping grooves (7), the height of the clamping grooves (7) is the same as the thickness of the support sheet (1), and the clamping grooves (7) can be clamped with the edge of the middle opening of the support sheet (1).

5. A filter bag according to claim 1, characterized in that: The outer side edge of the protective cover (3) is provided with a ring of patches (8), and the outer diameter of the patches (8) is larger than the caliber of the middle opening of the support sheet (1), and the patches (8) can be tightly attached to the support sheet (1).

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