A coffee bean grinder

By introducing regulating and heat dissipation components into the coffee bean grinder, the problems of uneven grinding and heat effects have been solved, resulting in uniform coffee powder and improved flavor.

CN223601318UActive Publication Date: 2025-11-28WUXI HUOZHONG POWER EQUIP CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520240190.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-16
Publication Date
2025-11-28
Estimated Expiration
2035-02-16

AI Technical Summary

Technical Problem

Existing coffee bean grinders cannot guarantee the uniformity of coffee bean grinding, and the heat generated during high-speed operation may affect the flavor of the coffee.

Method used

The design incorporates adjustment and heat dissipation components, including adjustment elements, sensing elements, sensors, and heat sinks, to achieve uniform adjustment of the grinding disc gap and heat exchange during the grinding process, ensuring the quality of the coffee powder.

Benefits of technology

It improves the uniformity and flavor of coffee powder, avoids the temperature rise of coffee beans caused by frictional heat, and enhances the taste and aroma of coffee.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223601318U_ABST
    Figure CN223601318U_ABST
Patent Text Reader

Abstract

The utility model relates to a kind of coffee bean grinder, the grinder includes shell, the shell includes the shell cover, first shell body, second shell body, third shell body and fourth shell body sequentially connected along first direction;Adjusting assembly, processing component and electric control assembly are also provided in the shell, and the adjusting assembly and electric control assembly respectively act on part of processing component;The grinder further includes heat dissipation component, and the heat dissipation component part cooperates in the processing component.The utility model is connected with the recess in adjusting piece and spring, is matched with inductor and sensor, realizes the even and automatic adjustment of the gap between first millstone and second millstone, ensures the uniformity of first millstone relative to second millstone when moving stress, improves the quality of coffee powder after grinding.The heat exchange is carried out to the interior of grinder by setting heat dissipation component, realizes the effect of cooling, avoids the temperature of coffee powder to rise due to the heat generated by coffee beans because of grinding, friction and extrusion.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to coffee making equipment technical field especially, it relates to a coffee bean grinder. BACKGROUND

[0002] Coffee bean grinder is a kind of grinding tool, its main function is to grind coffee beans into powder suitable for brewing. By adjusting the settings of the grinder, users can control the degree of grinding to meet the needs of different brewing methods such as drip, hand-pouring, espresso and personal taste.

[0003] However, in actual daily use, the existing coffee bean grinder still has some shortcomings:

[0004] (1) The grinder often cannot guarantee the uniformity of coffee bean grinding. During the grinding process, coffee beans may be unevenly stressed or have design defects, resulting in unevenly ground coffee powder. This uneven grinding can affect the taste and aroma release of coffee.

[0005] (2) Electric grinders may generate some heat during high-speed operation, which may affect the flavor of coffee. Since coffee beans are subjected to friction and compression during the grinding process, some heat is transferred to the coffee beans, causing the temperature of the coffee powder to rise. High temperature may accelerate the loss of volatile substances in coffee beans, thereby affecting the taste and aroma of the final coffee. INVENTION CONTENTS

[0006] To overcome the shortcomings of the prior art, the purpose of the present utility model is to provide a coffee bean grinder to solve one or more problems in the prior art.

[0007] To achieve the above-mentioned purpose, the technical solution of the present utility model is as follows:

[0008] A coffee bean grinder, the grinder includes a housing, the housing includes a cover, a first housing, a second housing, a third housing and a fourth housing connected in sequence along a first direction; the housing further comprises an adjusting assembly, a processing assembly and an electronic control assembly, the adjusting assembly and the electronic control assembly act on part of the processing assembly respectively; the grinder further comprises a heat dissipation assembly, the heat dissipation assembly is partially matched with the processing assembly.

[0009] Further, the adjusting assembly is arranged in the area enclosed by the cover and the first housing; the adjusting assembly includes a first motor and a gear set, the gear set includes a first gear, a second gear and a third gear engaged in sequence, and the first motor is matched with the first gear.

[0010] Further, the adjusting assembly further comprises an adjusting piece, a groove is arranged on the surface of the adjusting piece, and the recessed depth of the groove along the second direction is uniformly increased or decreased.

[0011] Further, the adjusting assembly further comprises a limiting piece corresponding to the groove, the limiting piece is connected to the third gear, the adjusting assembly further comprises a sensing piece and a sensor corresponding to the sensing piece, the first shell is provided with a slot, the sensor is arranged at the slot, and the sensing piece is engaged with the third gear.

[0012] Further, the processing assembly is arranged in the area enclosed by the second shell, a cavity is formed between the processing assembly and the second shell, a discharge port is arranged on the surface of the second shell, and the discharge port is communicated with the cavity; and a spring is further connected in the second shell, and the adjusting piece is matched with the spring.

[0013] Further, the processing assembly comprises a first grinding disc, a second grinding disc and a powder scraping piece, the powder scraping piece is arranged in the second shell, the second grinding disc is connected to the powder scraping piece, and the first grinding disc is connected to the adjusting piece and matched with the second grinding disc.

[0014] Further, the electric control assembly is arranged in the area enclosed by the third shell and the fourth shell, the electric control assembly comprises a second motor, a coil and a rotating shaft, the coil is connected to the third shell, the second motor is connected to the rotating shaft and matched with the coil, and the rotating shaft is arranged along the first direction and one end of the rotating shaft is further connected to the powder scraping piece.

[0015] Further, the electric control assembly further comprises a circuit board, and the circuit board is electrically matched with the first motor, the second motor, the sensor and the heat dissipation assembly.

[0016] Further, the heat dissipation assembly comprises a heat exchange sheet and a cooler, the heat exchange sheet is arranged between the second shell and the third shell, and the heat exchange sheet is further connected to the cooler.

[0017] Further, an inlet is arranged on the surface of the shell cover, and the inlet penetrates through the powder scraping piece along the first direction.

[0018] Compared with the prior art, the beneficial technical effects of the present application are as follows:

[0019] (1) According to the present application, the groove in the adjusting piece is arranged and connected with the spring, and the sensing piece and the sensor are matched, so that the gap between the first grinding disc and the second grinding disc is uniformly and automatically adjusted, the uniformity of the force received by the first grinding disc when moving relative to the second grinding disc is ensured, and the quality of the ground coffee powder is improved.

[0020] The heat exchange fins of the heat dissipation assembly are arranged to perform heat exchange on the inside of the grinder, so that the coffee powder is cooled, and the temperature of the coffee powder is prevented from rising due to heat generated by friction and extrusion during the grinding process, so that the quality of the ground coffee powder is effectively ensured, and the taste of the final coffee is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 A structure schematic diagram of a coffee bean grinder is shown.

[0022] Figure 2 A structure sectional view of a coffee bean grinder is shown.

[0023] Figure 3 A structure explosion view of a coffee bean grinder is shown.

[0024] Figure 4 A structure schematic diagram of a gear set of a coffee bean grinder is shown.

[0025] Figure 5 A structure schematic diagram of a gear set of a coffee bean grinder is shown.

[0026] Figure 6 A structure schematic diagram of a heat dissipation assembly of a coffee bean grinder is shown.

[0027] In the drawings, 1 is an outer shell, 100 is a shell cover, 1001 is an inlet, 101 is a first shell body, 1011 is a slot, 102 is a second shell body, 1021 is an outlet, 103 is a third shell body, 104 is a fourth shell body, 2 is an adjusting assembly, 201 is a first motor, 202 is a gear set, 2021 is a first gear, 2022 is a second gear, 2023 is a third gear, 203 is an adjusting piece, 2031 is a groove, 204 is a limiting piece, 205 is a sensing piece, 206 is a sensor, 3 is a processing assembly, 301 is a first grinding disc, 302 is a second grinding disc, 303 is a powder scraping piece, 4 is an electric control assembly, 401 is a second motor, 402 is a coil, 403 is a rotating shaft, 404 is a circuit board, 5 is a heat dissipation assembly, 501 is a heat exchange fin, 502 is a cooler, 6 is a cavity, and 7 is a spring. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the utility model clearer, the utility model makes a further detailed description of a coffee bean grinder in combination with the drawings and specific embodiments. The advantages and features of the utility model will be clearer according to the following description. It should be noted that the drawings are very simplified and all use non-precise proportions, only for the purpose of facilitating and clearly assisting the description of the embodiment of the utility model. In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, please refer to the drawings. It should be noted that the structure, proportion, size, etc. shown in the drawings attached to the specification are only used to cooperate with the content disclosed in the specification for understanding and reading by those skilled in the art, and are not used to limit the conditions for implementing the utility model, so they do not have technical substantive significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effect and purpose that can be achieved by the utility model, should still fall within the scope of the technical content disclosed by the utility model.

[0029] Please refer to Figures 1 to 6 The coffee bean grinder of the embodiment comprises a shell 1, the shell 1 comprises a shell cover 100, a first shell body 101, a second shell body 102, a third shell body 103 and a fourth shell body 104 connected in sequence along a first direction, so that the shell 1 can be conveniently disassembled for maintenance after failure during use of the grinder. In the embodiment, the first direction is the height direction of the grinder. The shell 1 further comprises an adjusting assembly 2, a processing assembly 3 and an electric control assembly 4, the adjusting assembly 2 and the electric control assembly 4 act on parts of the processing assembly 3 respectively, so that the processing assembly 3 grinds coffee beans. The grinder further comprises a heat dissipation assembly 5, the heat dissipation assembly 5 is partially matched with the processing assembly 3, so that the heat dissipation assembly 5 can dissipate heat in time after the processing assembly 3 grinds coffee beans, so as to ensure the quality of the ground coffee powder.

[0030] Further, the adjusting assembly 2 is arranged in an area enclosed by the shell cover 100 and the first shell body 101. The adjusting assembly 2 comprises a first motor 201 and a gear set 202, the gear set 202 comprises a first gear 2021, a second gear 2022 and a third gear 2023 engaged in sequence, the first motor 201 is matched with the first gear 2021, the first motor 201 drives the first gear 2021 to rotate, and then the second gear 2022 and the third gear 2023 are driven in sequence.

[0031] Further, the adjusting assembly 2 further comprises an adjusting piece 203, a groove 2031 is arranged on the surface of the adjusting piece 203, preferably, three grooves 2031 are uniformly arranged in the embodiment, the depth of the grooves 2031 increases or decreases uniformly along a second direction, which is the clockwise or counterclockwise direction with the center of the adjusting piece 203 as the center in the plane parallel to the horizontal plane in the embodiment.

[0032] Further, the adjusting assembly 2 further comprises a limiting piece 204 corresponding to the groove 2031, that is, three limiting pieces 204 are also arranged in the embodiment, the limiting piece 204 is connected to the third gear 2023. The adjusting assembly 2 further comprises a sensing piece 205 and a sensor 206 corresponding to the sensing piece 205, the first shell 101 is provided with a notch 1011, the sensor 206 is arranged at the notch 1011, and the sensing piece 205 is engaged with the third gear 2023. After the third gear 2023 rotates, the limiting piece 204 moves in the groove 2031, at this time, the sensing piece 205 also rotates with the third gear 2023, it is set that when the limiting piece 204 moves to one side end of the groove 2031, the sensing piece 205 just falls into the notch 1011 and can be recognized by the sensor 206, and then the first motor 201 is reversed through the feedback of the sensor 206, so that the limiting piece 204 moves back and forth in the groove 2031.

[0033] Further, the processing assembly 3 is arranged in the area enclosed by the second shell 102, and a spring 7 is further connected in the second shell 102, and the adjusting piece 203 is matched with the spring 7. Through the movement of the limiting piece 204 in the groove 2031, based on the uniform change of the depth of the groove 2031, when the limiting piece 204 moves to the deep part of the groove 2031, the adjusting piece 203 is driven to move downward, and the adjusting piece 203 presses the spring 7, on the contrary, when the limiting piece 204 moves to the shallow part of the groove 2031, the adjusting piece 203 moves upward under the elastic action of the spring 7.

[0034] Further, the processing assembly 3 and the second shell 102 form a cavity 6, and a discharge port 1021 is arranged on the surface of the second shell 102 and communicates with the cavity 6. The processing assembly 3 comprises a first grinding disc 301, a second grinding disc 302, and a powder scraping piece 303. The powder scraping piece 303 is arranged on the second shell 102, the second grinding disc 302 is connected to the powder scraping piece 303, and the first grinding disc 301 is connected to the adjusting part 203 and cooperates with the second grinding disc 302. Through the up-down movement of the adjusting part 203 along the first direction, the first grinding disc 301 is driven to move relative to the second grinding disc 302, that is, the gap between the first grinding disc 301 and the second grinding disc 302 is adjusted, and the demand for grinding coffee beans is controlled. An inlet port 1001 is arranged on the surface of the shell cover 100 and penetrates the powder scraping piece 303 along the first direction. The coffee beans fall into the powder scraping piece 303 from the inlet port 1001, then pass through the gap between the first grinding disc 301 and the second grinding disc 302 after grinding, and finally fall into the cavity 6 and are taken out from the discharge port 1021.

[0035] Further, the electric control assembly 4 is arranged in the area enclosed by the third shell 103 and the fourth shell 104. The electric control assembly 4 comprises a second motor 401, a coil 402, and a rotating shaft 403. The coil 402 is connected to the third shell 103 and is uniformly distributed. The second motor 401 is connected to the rotating shaft 403 and cooperates with the coil 402. The second motor 401 is driven to rotate by electromagnetic induction, and the rotating shaft 403 rotates accordingly. The rotating shaft 403 is arranged along the first direction and is connected to the powder scraping piece 303 at one end. The powder scraping piece 303 rotates with the rotating shaft 403, and the second grinding disc 302 rotates to grind the coffee beans.

[0036] Further, the electric control assembly 4 further comprises a circuit board 404 which is electrically connected to the first motor 201, the second motor 401, the sensor 206, and the heat dissipation assembly 5. Thus, the overall automatic control of the grinding machine is realized, and the production efficiency is improved.

[0037] Further, the heat dissipation assembly 5 comprises a heat exchange piece 501 and a cooler 502. The heat exchange piece 501 is arranged between the second shell 102 and the third shell 103 and is connected to the cooler 502. Preferably, the cooler 502 is a semiconductor cooler, which can accurately control the temperature and humidity inside the grinding machine. Through intelligent sensing and automatic adjustment, the internal environment of the processing assembly 3 is always in the best state, and the quality of the ground coffee powder is guaranteed.

[0038] The technical features of the above-described embodiments can be combined in any manner, and for the sake of brevity, not all possible combinations of the technical features in the above-described embodiments are described, however, as long as the combinations of the technical features do not contradict each other, they should be considered to be within the scope of the present specification.

[0039] The above-described embodiments only express several implementation manners of the present application, the description is relatively specific and detailed, but it should not be understood as a limitation on the scope of the present application. It should be pointed out that for ordinary skilled persons in the art, under the premise of not departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application patent should be subject to the appended claims.

Claims

1. A coffee bean grinder, characterized in that: The grinding machine includes a housing, which comprises a cover, a first housing, a second housing, a third housing, and a fourth housing connected sequentially along a first direction; the housing also includes an adjustment component, a processing component, and an electronic control component, the adjustment component and the electronic control component respectively acting on portions of the processing component; the grinding machine also includes a heat dissipation component, which is partially coupled to the processing component.

2. The coffee bean grinder as described in claim 1, characterized in that: The adjustment component is disposed in the area enclosed by the cover and the first housing; the adjustment component includes a first motor and a gear set, the gear set including a first gear, a second gear and a third gear meshing in sequence, and the first motor cooperating with the first gear.

3. A coffee bean grinder as described in claim 2, characterized in that: The adjustment assembly further includes an adjustment member, on the surface of which a groove is provided, the depth of which increases or decreases uniformly along the second direction.

4. A coffee bean grinder as described in claim 3, characterized in that: The adjustment assembly further includes a limiting member corresponding to the groove, the limiting member being connected to the third gear; the adjustment assembly also includes a sensing element and a sensor cooperating with the sensing element, the first housing having a slot, the sensor being disposed at the slot, and the sensing element meshing with the third gear.

5. A coffee bean grinder as described in claim 4, characterized in that: The processing component is disposed within the area enclosed by the second housing, and a cavity is formed between the processing component and the second housing. A discharge port is opened on the surface of the second housing and the discharge port opens into the cavity. A spring is also connected inside the second housing, and the adjusting member cooperates with the spring.

6. A coffee bean grinder as described in claim 5, characterized in that: The processing component includes a first grinding disc, a second grinding disc, and a powder scraper. The powder scraper is disposed in the second housing, the second grinding disc is connected to the powder scraper, and the first grinding disc is connected to the adjusting member and cooperates with the second grinding disc.

7. A coffee bean grinder as described in claim 6, characterized in that: The electronic control component is disposed in the area enclosed by the third housing and the fourth housing. The electronic control component includes a second motor, a coil and a rotating shaft. The coil is connected to the third housing, and the second motor is connected to the rotating shaft and cooperates with the coil. The rotating shaft is arranged along a first direction and one end is also connected to the powder scraper.

8. A coffee bean grinder as described in claim 7, characterized in that: The electronic control component also includes a circuit board, which is electrically coupled to the first motor, the second motor, the sensor, and the heat dissipation component.

9. A coffee bean grinder as described in claim 8, characterized in that: The heat dissipation assembly includes heat exchange fins and a cooler. The heat exchange fins are disposed between the second housing and the third housing, and the heat exchange fins are also connected to the cooler.

10. A coffee bean grinder as described in claim 9, characterized in that: A feed inlet is provided on the surface of the shell cover, and the feed inlet extends through to the powder scraper in a first direction.