Bean bin cover of bean grinder

Abstract

The utility model discloses a bean bin cover of a bean grinder, which comprises a cover body and a bin body, the bottom of the cover body is embedded into the inner side of the bin body, an annular magnet is arranged on the inner side of the cover body, a first screw column is arranged above the annular magnet and is integrally connected with the cover body, a plurality of arc-shaped iron bars are arranged on the inner side of the bin body, an air chamber is arranged above the cover body, and a screw cover is arranged at the top of the cover body. The annular magnet is integrally cast, a plurality of screws are arranged in the annular magnet in a penetrating mode, and the screws are connected with the first screw columns through threads after penetrating through the annular magnet; a supporting piece is arranged at the bottom of the arc-shaped iron bar, the supporting piece and the cabin body are formed through integral injection molding, a second screw column embedded into the inner side of the arc-shaped iron bar is arranged on the supporting piece, a plurality of screws penetrate through the arc-shaped iron bar, and the screws penetrate through the arc-shaped iron bar and then are connected with the second screw column through threads; the utility model has the advantages of simple structure, strong stability, stable sealing performance and good usability.

Description

Technical Field

[0001] This utility model belongs to the field of bean hopper technology, and in particular relates to a bean hopper cover for a coffee grinder. Background Technology

[0002] The main function of a coffee grinder is to grind coffee beans into powder of appropriate coarseness so that the aroma and flavor of the coffee can be fully released during the subsequent brewing process.

[0003] In existing coffee grinder designs, the sealing and ease of use of the bean hopper lid have always been key technical challenges. Traditional bean hopper lids typically use a snap-fit ​​fastener and a rubber seal to achieve closure, but these methods often suffer from poor sealing, complex operation, and difficulty in cleaning. Snap-fit ​​fasteners are prone to loosening after prolonged use, leading to a decline in sealing performance, while rubber seals are prone to aging, affecting their sealing effect, and are also difficult to clean, easily accumulating dirt and grime.

[0004] Furthermore, common bean hopper lids often lack clear alignment indicators when closed, making it difficult for operators to determine if the lid is fully closed. This can lead to the bean hopper accidentally opening during grinding, affecting grinding efficiency and safety. Additionally, bean hopper lid designs often neglect ease of use for operators, lacking a convenient lifting mechanism. This necessitates additional tools or steps during grinding, reducing operational efficiency.

[0005] To address these shortcomings of existing technologies, a novel bean hopper lid design is needed that provides a reliable seal, simplifies operation, improves ease of use, and facilitates cleaning and maintenance. This solution is proposed based on this need, aiming to solve the problems existing in current technologies through innovative design. Utility Model Content

[0006] The purpose of this invention is to provide a bean hopper cover for a coffee grinder to solve common problems such as unstable sealing effect and poor usability of the bean hopper in coffee grinders.

[0007] This utility model achieves the above-mentioned objectives through the following technical solution: it includes a cover and a cabin, with the bottom of the cover embedded in the inner side of the cabin, a ring magnet provided on the inner side of the cover, a first screw post provided above the ring magnet and integrally connected to the cover, several arc-shaped iron bars provided on the inner side of the cabin, an air chamber provided on the top of the cover, and a screw cap provided on the top of the cover.

[0008] Furthermore, the annular magnet is integrally cast, and several screws are inserted through the annular magnet. After passing through the annular magnet, the screws are connected to the first screw post by threads.

[0009] Furthermore, a support plate is provided at the bottom of the arc-shaped iron strip. The support plate and the cabin are integrally injection molded. A second screw post is provided on the support plate and embedded inside the arc-shaped iron strip. Several screws are passed through the arc-shaped iron strip and are connected to the second screw post by threads after passing through the arc-shaped iron strip.

[0010] Furthermore, a positioning ball is fixedly provided in the middle of the upper surface of the arc-shaped iron bar, and a positioning groove is provided at the relative position of the positioning ball on the annular magnet, wherein the positioning ball and the positioning groove have the same volume.

[0011] Furthermore, the air chamber has a through hole in the middle, and the outer periphery of the air chamber has several arc-shaped buckles that are connected to the screw cap.

[0012] Furthermore, the cover at the outer periphery of the air chamber is provided with an arc-shaped annular groove, and the outer side of the air chamber and the outer side of the screw cap are combined to form an arc-shaped groove with an outward opening.

[0013] Furthermore, the upper surface of the cover is provided with several anti-slip strips, and the outer side of the cover is provided with several anti-slip protrusions. The anti-slip strips and the anti-slip protrusions are all integrally connected to the cover.

[0014] Beneficial effects: This utility model is reasonably designed and has the following beneficial effects:

[0015] 1. In this utility model, the magnetic attraction between the ring magnet and the arc-shaped iron strip provides an initial seal, and the screw cap and air chamber balance the air pressure, making the bean hopper more airtight. The arc-shaped iron strip, ring magnet, etc. can be cleaned separately by removing the screws to avoid dirt accumulation.

[0016] 2. In this utility model, when closed, the spherical surface of the positioning ball contacts the positioning groove to achieve automatic radial alignment, avoiding misalignment between the cover and the cabin, and at the same time, a crisp "click" sound will remind the operator.

[0017] 3. In this utility model, the outer wall of the air chamber and the outer wall of the screw cap are joined together to form a U-shaped cross section, which makes it easy for the operator to insert their fingers to lift the cap. At the same time, when grinding beans, the bean bottle can be placed on the cap. The recessed part at the bottom of the bean bottle is placed on the screw cap to achieve the anti-falling effect. The anti-slip strip on the top of the cap can also further improve the anti-falling effect. Attached Figure Description

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

[0019] Figure 2 This is a cross-sectional view of the structure of this utility model;

[0020] Figure 3 This is a schematic diagram of the cover structure of this utility model;

[0021] Figure 4 This is a schematic diagram of the ring magnet structure of this utility model;

[0022] Figure 5 This is a schematic diagram of the cabin structure of this utility model.

[0023] In the diagram: 1-cover, 2-cabin, 3-ring magnet, 4-arc-shaped iron bar;

[0024] 101-First screw post, 102-Air chamber, 103-Screw cap, 104-Through hole, 105-Arc-shaped buckle, 106-Arc-shaped annular groove, 107-Arc-shaped groove, 108-Anti-slip strip, 109-Anti-slip protrusion, 201-Support piece, 202-Second screw post, 301-Positioning groove, 401-Positioning ball. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0026] Combination Figures 1 to 5 The bean hopper cover of a coffee grinder shown includes a cover body 1 and a chamber body 2. The bottom of the cover body 1 is embedded inside the chamber body 2. An annular magnet 3 is provided inside the cover body 1. A first screw post 101 is provided above the annular magnet 3 and is integrally connected to the cover body 1. Several arc-shaped iron strips 4 are provided inside the chamber body 2. An air chamber 102 is provided above the cover body 1. A screw cap 103 is provided on the top of the cover body 1.

[0027] The bottom edge of the cover 1 is provided with an annular flange, which is inserted into the annular groove at the upper inner side of the compartment 2 by interference fit, so as to achieve initial positioning and waterproof sealing.

[0028] Among them, the annular magnet 3 is integrally cast, and several screws are installed inside the annular magnet 3. After the screws pass through the annular magnet 3, they are connected to the first screw post 101 by threads. The countersunk screws pass through the through hole of the annular magnet 3 and are screwed into the threaded hole of the first screw post 101 to fix the annular magnet 3 to the top of the inner side of the cover 1. The lower surface of the annular magnet 3 is flush with the bottom opening of the cover 1 to avoid interfering with the closing of the cabin 2.

[0029] The bottom of the arc-shaped iron bar 4 is provided with a support plate 201. The support plate 201 and the cabin 2 are integrally injection molded. The support plate 201 is provided with a second screw post 202 embedded in the inner side of the arc-shaped iron bar 4. Several screws are passed through the arc-shaped iron bar 4. After the screws pass through the arc-shaped iron bar 4, they are connected to the second screw post 202 by threads. The second screw post 202 is a cylindrical boss with embedded metal threaded inserts. It is fixed to the inner surface of the cabin 2 by injection molding.

[0030] A positioning ball 401 is fixedly installed in the middle of the upper surface of the arc-shaped iron bar 4. The ring magnet 3 has a positioning groove 301 at the relative position of the positioning ball 401. The positioning ball 401 and the positioning groove 301 have the same volume. The positioning ball 401 is a metal hemisphere and is fixed to the center of the upper surface of the arc-shaped iron bar 4 by welding. When closed, the positioning ball 401 contacts the positioning groove 301 to achieve radial automatic alignment, avoiding misalignment between the cover 1 and the cabin 2. At the same time, a crisp "click" sound will remind the operator.

[0031] The air chamber 102 has a through hole 104 in the middle and several arc-shaped buckles 105 around the air chamber 102 and connected to the screw cap 103. The air chamber 102 is located at the top center of the cover 1 and is a cylindrical cavity. The bottom is connected to the interior of the cabin 2 through the through hole 104 to balance the air pressure.

[0032] An arc-shaped annular groove 106 is provided on the cover 1 at the outer periphery of the air chamber 102. The outer side of the air chamber 102 and the outer side of the screw cap 103 are combined to form an arc-shaped groove 107 with the opening facing outward. Three arc-shaped buckles 105 are provided on the outer periphery of the air chamber. The buckle ends are provided with barbs, which engage with the annular groove on the inner side of the screw cap 103 to realize the quick locking and releasing of the screw cap 103. The arc-shaped groove 107 is formed by splicing the outer wall of the air chamber 102 and the outer wall of the screw cap 103. The cross section is U-shaped, which is used for the operator to insert their fingers to lift the cover 1.

[0033] The upper surface of the cover 1 is provided with several anti-slip strips 108, and the outer side of the cover 1 is provided with several anti-slip protrusions 109. The anti-slip strips 108 and anti-slip protrusions 109 are all integrally connected with the cover 1.

[0034] Working principle: In use, the ring magnet 3 is fixed to the first screw post 101 of the cover 1 with screws, and the arc-shaped iron strip 4 is installed to the second screw post 202 of the chamber 2 with screws. The cover 1 is embedded into the chamber 2 and initially closed by magnetic attraction. The angle of the cover 1 is adjusted so that the positioning ball 401 is aligned with the positioning groove 301. Then the cover 103 is rotated and the air chamber 102 is locked by the arc-shaped buckle 105 to complete the sealing.

[0035] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0036] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A bean bin cover of a bean grinder, comprising a cover body (1) and a cabin body (2), and the bottom of the cover body (1) is embedded in the inside of the cabin body (2), characterized in that: The cover (1) is internally provided with a ring magnet (3), the ring magnet (3) is provided with a first screw column (101) above and is integrally connected with the cover (1), the cabin (2) is internally provided with a plurality of arc iron strips (4), the cover (1) is provided with an air chamber (102) above, and the cover (1) is provided with a screw cap (103) on the top.

2. A bean container cover of a bean grinder according to claim 1, characterized in that: The ring magnet (3) is integrally cast, and a plurality of screws are arranged through the ring magnet (3), and the screws are connected with the first screw column (101) through threads after penetrating the ring magnet (3).

3. A bean container cover of a bean grinder according to claim 2, characterized in that: The arc iron strip (4) is provided with a supporting sheet (201) at the bottom, the supporting sheet (201) is integrally injection molded with the cabin (2), the supporting sheet (201) is provided with a second screw column (202) embedded in the inner side of the arc iron strip (4), a plurality of screws are arranged through the arc iron strip (4), and the screws are connected with the second screw column (202) through threads after penetrating the arc iron strip (4).

4. A bean container cover of a bean grinder according to claim 3, characterized in that: The arc iron strip (4) is fixedly provided with a positioning ball (401) on the upper surface, the ring magnet (3) is provided with a positioning groove (301) at the opposite position of the positioning ball (401), and the positioning ball (401) and the positioning groove (301) have the same volume.

5. A bean container cover of a bean grinder according to claim 4, characterized in that: The air chamber (102) is provided with a through hole (104) in the middle, and the air chamber (102) is provided with a plurality of arc buckles (105) around and connected with the screw cap (103).

6. A bean container cover of a bean grinder according to claim 5, characterized in that: The cover (1) is provided with an arc ring groove (106) on the outer side of the air chamber (102), and the outer side of the air chamber (102) and the outer side of the screw cap (103) are combined to form an arc groove (107) opening outward.

7. A bean container cover of a bean grinder according to claim 6, characterized in that: The cover (1) is provided with a plurality of anti-skid strips (108) on the upper surface, and the cover (1) is provided with a plurality of anti-skid protrusions (109) on the outer side, and the anti-skid strips (108) and the anti-skid protrusions (109) are integrally connected with the cover (1).

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