CN220675799U - Grinding powder thickness adjusting device of coffee machine - Google Patents

Abstract

The utility model provides a coffee machine crocus thickness adjusting device, includes beans storehouse, grinds beans passageway, grinds beans sword subassembly and worm, the beans storehouse is the ascending funnel form of opening, grind beans passageway connection in beans storehouse bottom, grind beans passageway top inside wall and be provided with the internal thread, grind beans sword subassembly and include unpowered sword and power sword, the power sword sets up in grinding beans passageway bottom, be connected with rotary driving device on the power sword, be provided with the external screw thread on the unpowered sword lateral wall, form the grinding clearance between unpowered sword and the power sword, the external screw thread of unpowered sword and the internal screw thread intermeshing of grinding beans passageway, unpowered sword top is connected with the endocentric worm wheel of unpowered sword, the worm rotates to be connected on the beans storehouse and with worm wheel intermeshing. The utility model adopts worm and gear transmission, has self-locking property, avoids the situation of reverse pushing caused by overlarge grinding resistance, has no gear limit, realizes stepless adjustment, and is more convenient for diversified use of users.

Description

Grinding powder thickness adjusting device of coffee machine

Technical Field

The utility model belongs to the technical field of coffee machines, and particularly relates to a grinding thickness adjusting device of a coffee machine.

Background

Coffee is a beverage which is widely popular, and besides the type and quality of coffee beans affect the quality of coffee, the influence of the quality of coffee powder on the quality of coffee is not ignored. The quality of the coffee grounds in turn depends largely on the choice of coffee grind.

Traditional, the device that grinds the coffee beans, though can adjust the thickness of coffee powder through adjusting the gear, but because gear quantity is limited, can only grind the coffee powder of several fixed thickness, can't adapt to user's demand, and current coffee machine crocus thickness is adjusted for gear drive and is adjusted, because the material of coffee beans, hardness have the difference, and hard coffee beans can extrude the counter-drive gear of whetting a knife, leads to whetting a knife the interval increase, can appear the coffee beans and grind the condition that the powder thickness is different.

Disclosure of Invention

Aiming at the problems existing in the prior art, the utility model aims to provide a grinding thickness adjusting device of a coffee machine.

In order to solve the problems, the utility model adopts the following technical scheme:

the utility model provides a coffee machine crocus thickness adjusting device, includes beans storehouse, grinds beans passageway, grinds beans sword subassembly and worm, the beans storehouse is the ascending funnel form of opening, grind beans passageway connection in beans storehouse bottom, grind beans passageway top inside wall and be provided with the internal thread, grind beans sword subassembly and include unpowered sword and power sword, the power sword sets up in grinding beans passageway bottom, be connected with the rotary drive device who is used for driving the rotation of power sword on the power sword, be provided with the external screw thread on the unpowered sword lateral wall, the unpowered sword sets up in the power sword top and forms the grinding clearance rather than between the face in opposite directions with the power sword, the external screw thread of unpowered sword and the internal screw thread intermesh of grinding beans passageway, unpowered sword top is connected with the endocentric worm wheel of unpowered sword, the worm rotates to be connected on the beans storehouse and intermesh with the worm wheel.

Preferably, the worm wheel is provided with a limit.

Preferably, the limit is positioned such that the worm gear rotates within an angle of less than 150 degrees.

Preferably, the worm end is provided with a rotary handle.

Preferably, the bean bin is provided with a lower clamping block, a lower semicircular groove matched with the shape of the worm is formed in the lower clamping block, the bean bin is provided with a positioning cover, an upper clamping block is arranged below the positioning cover, an upper semicircular groove matched with the shape of the worm is formed in the upper clamping block, and the lower semicircular groove and the upper semicircular groove are mutually buckled to be used for axially limiting the worm.

Preferably, the worm wheel is arranged at the lower part or the inner side of the positioning cover, the positioning cover is provided with an annular hole, the worm wheel is arranged at the inner side of the annular hole of the positioning cover, and the positioning cover limits the worm wheel to concentrically rotate at the inner side of the annular hole.

Preferably, the top of the worm wheel is connected with a thickness indicating disk concentric with the worm wheel, an indicating arrow extending outwards from the center of the circle is arranged on the thickness indicating disk, an upper cover made of transparent materials is arranged on the bean bin, and a circle of thickness scales are arranged on the upper cover at the position of the outer edge right above the thickness indicating disk.

Preferably, the worm is sleeved with a flexible resistance ring, and the flexible resistance ring is connected among the positioning cover, the bean bin and the worm in an interference mode.

Preferably, the rotation driving device is a motor.

Preferably, the bean grinding knife assembly is a cone knife sharpening assembly or a flat knife sharpening assembly, the cone knife sharpening assembly comprises an annular knife and a cone knife, the flat knife sharpening assembly comprises an upper flat knife sharpening and a lower flat knife sharpening, the unpowered knife is the annular knife or the upper flat knife sharpening, and the powered knife is the cone knife or the lower flat knife sharpening.

The beneficial effects of the utility model are that

Compared with the prior art, the utility model has the advantages that:

when the coffee bean grinder is used, the worm is screwed anticlockwise or clockwise to drive the worm wheel to rotate clockwise and anticlockwise, so that the unpowered cutter which is concentric with the worm wheel and is connected with the worm wheel rotates clockwise and anticlockwise along with the worm wheel, and because the external threads of the unpowered cutter are meshed with the internal threads of the bean grinding channel, the unpowered cutter can move up and down in the bean grinding channel when rotating anticlockwise relative to the bean grinding channel, and therefore, the grinding gap between the opposite surfaces of the unpowered cutter and the powered cutter can be adjusted, and the thickness of the ground coffee beans can be adjusted.

Drawings

FIG. 1 is an exploded view of the components of the present utility model;

FIGS. 2 and 3 are longitudinal cross-sectional views of the present utility model;

fig. 4 is a transverse cross-sectional view of the present utility model.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings for a better understanding of the objects, structures and functions of the present utility model.

As shown in fig. 1-4, the grinding thickness adjusting device of the coffee machine comprises a bean bin 1, a bean grinding channel 2, a bean grinding knife assembly and a worm 4, wherein the bean bin 1 is in a funnel shape with an upward opening, the bean grinding channel 2 is connected to the bottom of the bean bin 1, an inner thread 21 is arranged on the inner side wall of the top of the bean grinding channel 2, the bean grinding knife assembly comprises a non-power knife 31 and a power knife 32, the power knife 32 is arranged at the bottom of the bean grinding channel 2, the power knife 32 is connected with a rotary driving device 5 for driving the power knife 32 to rotate, an outer thread 311 is arranged on the side wall of the non-power knife 31, a grinding gap is formed between the non-power knife 31 and the power knife 32, the outer thread 311 of the non-power knife 31 is meshed with the inner thread 21 of the bean grinding channel 2, a concentric 6 of the non-power knife 31 is connected to the top of the non-power knife 31, and the worm 4 is rotationally connected to the bean bin 1 and meshed with a worm gear 6.

When the coffee bean grinding machine is used, the worm 4 is screwed anticlockwise or clockwise to drive the worm wheel 6 to rotate positively and negatively, so that the unpowered cutter 31 which is concentric with the worm wheel 6 and is connected with the worm wheel 6 rotates positively and negatively, and as the external threads 311 of the unpowered cutter 31 are meshed with the internal threads 21 of the bean grinding channel 2, the unpowered cutter 31 can move up and down in the bean grinding channel 2 when rotating positively and negatively relative to the bean grinding channel 2, so that the grinding gap between the opposite surfaces of the unpowered cutter 31 and the powered cutter 32 can be adjusted, and the thickness of the ground coffee beans can be adjusted.

Further, the worm wheel 6 is provided with a limit 61, so as to prevent the user from continuously rotating the worm 4 in the same direction, so that the annular knife 31 is continuously lifted or lowered, and is separated from the bean grinding channel 2 or collides with the conical knife 32 to cause damage.

Further, the limit 61 is provided at a position where the worm wheel 6 can be rotated within an angle of less than 150 degrees.

Further, the worm 4 is provided with a turning knob 41 at its end.

Further, be provided with down fixture block 11 on the bean storehouse 1, set up the lower semicircular groove with worm 4 shape assorted on the lower fixture block 11, be provided with location lid 7 on the bean storehouse 1, location lid 7 below is provided with fixture block 71, set up the upper semicircular groove with worm 4 shape assorted on the upper fixture block 71, lower semicircular groove and the mutual lock of upper semicircular groove are used for carrying out axial spacing to worm 4.

Further, the worm wheel 6 is arranged at the lower part or the inner side of the positioning cover 7, an annular hole is arranged on the positioning cover 7, the worm wheel 6 is arranged at the inner side of the annular hole of the positioning cover 7, and the positioning cover 7 limits the worm wheel 6 to concentrically rotate at the inner side of the annular hole and grind beans without swinging.

Further, the top of the worm wheel 6 is connected with a thickness indicating disk 8 concentric with the worm wheel 6, an indicating arrow 81 extending outwards from the center of the circle is arranged on the thickness indicating disk 8, an upper cover 9 made of transparent materials is arranged on the bean bin 1, and a circle of thickness scales are arranged on the upper cover 9 at the position of the outer edge right above the thickness indicating disk 8. Therefore, when the thickness is adjusted, the thickness indicating disc 8 rotates along with the thickness indicating disc to indicate the thickness position of the powder, so that the powder grinding machine is convenient for a user to use.

Further, a flexible resistance ring 42 is sleeved on the worm 4, and the flexible resistance ring 42 is connected among the positioning cover 7, the bean bin 1 and the worm 4 in an interference mode. Thereby increase worm 4 rotation resistance, reduce worm 4 and feel with the virtual position when anticlockwise switching direction rotates to promote user experience and feel.

Further, the rotation driving device 5 is a motor.

Further, the bean grinding knife component is a cone knife grinding component or a flat knife grinding component, the cone knife grinding component comprises an annular knife and a cone knife, the flat knife grinding component comprises an upper flat knife grinding and a lower flat knife grinding, the unpowered knife 31 is the annular knife or the upper flat knife grinding, and the powered knife 32 is the cone knife or the lower flat knife grinding. As shown in fig. 1 and 2, in the embodiment of the utility model, the bean grinding knife assembly adopts a conical knife sharpening assembly, the conical knife is conical, the upper part of the conical knife is small, the lower part of the conical knife is large, and the annular knife is sleeved outside the conical knife and forms a grinding gap with the conical inclined surface of the conical knife, so that coffee beans are ground.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (10)

1. The utility model provides a coffee machine crocus thickness adjusting device, its characterized in that, including beans storehouse (1), mill beans passageway (2), mill beans sword subassembly and worm (4), beans storehouse (1) are the ascending funnel form of opening, mill beans passageway (2) connect in beans storehouse (1) bottom, mill beans passageway (2) top inside wall is provided with internal thread (21), mill beans sword subassembly includes unpowered sword (31) and power sword (32), power sword (32) set up in mill beans passageway (2) bottom, be connected with rotary driving device (5) that are used for driving power sword (32) rotatory on power sword (32), be provided with external screw thread (311) on unpowered sword (31) lateral wall, unpowered sword (31) set up in power sword (32) top and form the grinding clearance rather than between the face in opposite directions, external screw thread (311) and mill beans passageway (2) of unpowered sword (31) mesh each other, unpowered worm wheel (31) are connected with worm wheel (6) concentric with each other and worm wheel (6) are connected with each other on storehouse (6).

2. A coffee machine grinding size adjustment device according to claim 1, characterized in that the worm wheel (6) is provided with a limit (61).

3. A coffee machine grind size adjusting means according to claim 2, characterized in that the limit (61) is arranged in a position enabling the worm wheel (6) to rotate in an angle smaller than 150 degrees.

4. A coffee machine grinding size adjustment device according to claim 1, characterized in that the worm (4) is provided with a rotating handle (41) at the end.

5. The grinding thickness adjusting device of the coffee machine according to claim 1, wherein a lower clamping block (11) is arranged on the bean bin (1), a lower semicircular groove matched with the shape of the worm (4) is formed in the lower clamping block (11), a positioning cover (7) is arranged on the bean bin (1), an upper clamping block (71) is arranged below the positioning cover (7), an upper semicircular groove matched with the shape of the worm (4) is formed in the upper clamping block (71), and the lower semicircular groove and the upper semicircular groove are mutually buckled to be used for axially limiting the worm (4).

6. The grinding thickness adjusting device of the coffee machine according to claim 5, wherein the worm wheel (6) is arranged at the lower part or the inner side of the positioning cover (7), an annular hole is arranged on the positioning cover (7), the worm wheel (6) is arranged at the inner side of the annular hole of the positioning cover (7), and the positioning cover (7) limits the worm wheel (6) to concentrically rotate at the inner side of the annular hole.

7. The grinding thickness adjusting device of the coffee machine according to claim 1, wherein the top of the worm wheel (6) is connected with a thickness indicating disc (8) concentric with the worm wheel (6), an indicating arrow (81) extending outwards from the circle center is arranged on the thickness indicating disc (8), an upper cover (9) made of transparent materials is arranged on the bean bin (1), and a circle of thickness graduations are arranged on the upper cover (9) at the position, right above the thickness indicating disc (8), of the outer edge.

8. The grinding thickness adjusting device of the coffee machine according to claim 5, wherein the worm (4) is sleeved with a flexible resistance ring (42), and the flexible resistance ring (42) is connected among the positioning cover (7), the bean bin (1) and the worm (4) in an interference mode.

9. A coffee machine grinding size adjustment device according to claim 1, characterized in that the rotary drive means (5) are electric motors.

10. The grinding fineness adjustment device of a coffee machine according to claim 1, characterized in that the bean grinding knife assembly is a cone knife assembly or a flat knife assembly, the cone knife assembly comprises an annular knife and a cone knife, the flat knife assembly comprises an upper flat knife and a lower flat knife, the unpowered knife (31) is an annular knife or an upper flat knife, and the powered knife (32) is a cone knife or a lower flat knife.