CN2498965Y

CN2498965Y - Structure improvement of coffee grinder

Info

Publication number: CN2498965Y
Application number: CN 01253537
Authority: CN
Inventors: 郑宇志
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-09-07
Filing date: 2001-09-07
Publication date: 2002-07-10
Anticipated expiration: 2011-09-07

Abstract

The utility model relates to a structure improvement of coffee grinder which is composed of a seat body, a material conveying disc, a front cover and an adjusting cover, the utility model is mainly characterized in that a motor drives the rotatable material feeding disc and material feeding screw to advance spirally, coffee beans in the material feeding chamber are guided into two corresponding grinding tooth discs in the grinding chamber, by the rapid rotation of the grinding tooth discs of the material feeding disc, the coffee beans between tooth discs are ground, moreover by the rotatable adjusting action of adjusting cover, the gap between the two corresponding grinding tooth discs are adjusted, thereby grinding bigger or smaller granular coffee powder.

Description

Improved structure of coffee grinder

Technical Field

The utility model relates to a structural improvement of a coffee grinder, in particular to a coffee grinder which regulates and controls the thickness of ground coffee powder by grinding a fluted disc adjusting structure.

Background

When people drink coffee, coffee beans are ground before coffee is brewed in order to maintain the original flavor of the drinking coffee, and thus a coffee grinder is produced. Most of the conventional coffee grinders are designed to manually grind coffee beans into coffee beans, which are not only inefficient in grinding but also incapable of precisely controlling the size of ground coffee powder particles, and if the ground coffee powder is ground in a large amount, the time and physical strength of a grinder are wasted.

Disclosure of Invention

In order to solve the above disadvantages of the existing coffee grinder, the coffee grinder of the present invention is invented by the creation of the research and improvement of the present invention. The coffee grinder is composed of a seat body (10), a feeding tray (20), a front cover (30), an adjusting cover (40) and the like. The coffee beans in the feeding chamber are guided into two corresponding grinding fluted discs in the grinding chamber by the spiral propulsion of the motor driving the rotary feeding disc and the feeding screw rod, and the coffee beans between the two corresponding grinding fluted discs are ground by the quick rotation of the grinding fluted discs of the feeding disc, and the distance between the two corresponding grinding fluted discs is adjusted by the rotary adjusting action of the adjusting cover, so that larger or smaller coffee powder is ground, and the efficiency of grinding the coffee beans is further improved.

The utility model discloses can so realize:

the upper end of the base body (10) is connected with a round shell body (13), a motor is arranged in the round shell body (13), a power source of the motor can be transmitted through a motor shaft (14), a feeding port (16) is arranged above the side end of the round shell body (13) in a penetrating way, so that coffee beans embedded in a funnel (B) of the feeding port can fall into a feeding chamber (161) at the lower end of the feeding port (16), a grinding chamber (17) is connected with the side end of the round shell body (13), an outlet (18) is arranged at the lower end of the grinding chamber (17) in a penetrating way, ground coffee powder can be collected and stored in a coffee powder container, a grinding fluted disc (19) is fixed on the inner side wall surface of the grinding chamber (17) in a screwing way, and the screwed grinding fluted disc (19) is approximately in the shape of an inclined plane ring;

the feeding disc (20) is a feeding grinding element which synchronously rotates with the motor shaft (14), the feeding disc (20) is arranged in the grinding chamber (17), a feeding screw rod (21) is connected with the side end of the feeding disc (20), coffee beans in the feeding chamber (161) can be rotatably guided into the grinding fluted disc (19) through the rotation of the feeding screw rod (21), a convex ring is connected with the side end of the feeding disc (20), the side end surface of the convex ring (22) can be pressed on the surface of a bearing (43) of the adjusting cover (40), a grinding fluted disc (26) in an inclined plane annular shape is screwed on the inner end surface of the feeding disc (20), the grinding fluted disc (26) is in a coaxial and corresponding grinding state with the fixed fluted disc (19) in the grinding chamber (17), and the coffee beans are arranged on the two grinding fluted discs (19) through relative rotating grinding, 26) Inner coffee beans;

the front cover (30) is approximately a disk body, a neck part (32) is convexly arranged at the central part of the side end of the front cover (30), threads are annularly arranged on the inner edge of the neck part (32), a spring (34) and a round key (35) are sequentially arranged in a concave hole (33) at the upper end of the neck part (32), and the side end of the round key (35) is pressed against a ratchet disk (42) of the adjusting cover (40) through the elastic force of the spring (34);

the adjusting cover (40) is a rotatable knob, an adjuster (41) is screwed at the inner side end of the adjusting cover (40), threads are arranged on the outer edge ring of the adjuster (41), a bearing (43) at the other end of the adjuster (41) can be propped against a convex ring (22) at the side end of the feeding disc (20), and the distance between the feeding disc (20) and the grinding fluted disc (19) can be axially adjusted by rotating the adjusting cover (40), so that the effect of adjusting and controlling the degree of grinding coffee powder particles is achieved.

To sum up, the utility model can grind coffee powder with different particle sizes by rotating the adjusting cover (40) to adjust the distance between the two grinding fluted discs (19, 26) according to the requirement of the drinker. The utility model is different from the known technical characteristics with respect to the purpose, technical means and efficacy, and has originality and practicability.

Drawings

FIG. 1 is a perspective assembly view of the coffee grinder of the present invention;

FIG. 2 is a schematic exploded perspective view of the coffee grinder of the present invention;

FIG. 3 is a schematic diagram of the coffee grinder of the present invention, showing the spacing between the two grinding fluted discs being reduced to grind coffee powder with fine particles;

FIG. 4 is a second schematic view of the coffee grinder of the present invention, which shows that the distance between the two grinding fluted discs is increased to grind the coffee powder with thicker particles.

Detailed Description

The following examples will help to understand the present invention, but do not limit the content of the present invention.

The coffee grinder shown in fig. 1 and 2 is composed of a base body (10), a feeding tray (20), a front cover (30) and an adjusting cover (40);

a base (11) is connected and arranged at the lower end of the seat body (10), two slide rails (12) are symmetrically and convexly arranged on the top surface of the base (11), a coffee powder container (A) can be positioned on the base (11) in a sliding way, a round shell (13) is connected and arranged at the upper end of the seat body (10), a motor is arranged in the round shell (13), a power source of the motor can be transmitted through a motor shaft (14), a sliding chute (15) is concavely arranged on the motor shaft (14), a baffle ring (151) is connected and arranged at the other end of the motor shaft (14), a feeding port (16) is arranged above the side end of the round shell (13) in a penetrating way and can be used for placing and embedding a funnel (B) so as to be beneficial to the coffee beans in the funnel (B) to fall into a feeding chamber (161) at the lower end of the feeding port (16), and a grinding chamber (17) is connected and arranged at the side end of the round shell (13), an outlet (18) is arranged at the lower end of the grinding chamber (17) in a penetrating way, ground coffee powder can be collected and stored in the coffee powder container (A), a grinding fluted disc (19) is screwed on the inner side wall surface of the grinding chamber (17), the screwed grinding fluted disc (19) is approximately in a bevel ring body, and two screw holes (191) are connected outside the shell of the grinding chamber (17);

the feed tray (20) is a feeding grinding element which synchronously rotates with the motor shaft (14), the feed tray (20) is arranged in the grinding chamber (17), a feed screw (21) is connected with the side end of the feed tray (20) and can guide coffee beans in the feed chamber (161) into the grinding fluted disc (19) in a rotating way through the rotation of the feed screw (21), a convex ring is connected with the side end of the feed tray (20), the side end surface of the convex ring (22) can be pressed against the surface of a bearing (43) of the adjusting cover (40), and a rectangular key (24) is embedded in a shaft hole (23) of the feed tray (20). The rectangular key (24) is correspondingly embedded in the sliding groove (15) of the motor shaft (14), so that the feeding plate (20) can slide on the motor shaft (14) in a pivoting way and can do axial sliding and rotary motion relative to the motor shaft (14), two convex blocks (25) are correspondingly arranged on the outer edge of the feeding plate (20) in an extending way, the convex blocks can push the coffee powder in the grinding chamber (17) to the outlet (18) in a rotating way so as to be collected and stored in the coffee powder container (A), a grinding fluted disc (26) which is in an inclined plane ring shape is screwed on the inner end surface of the feeding plate (20), the grinding fluted disc (26) is in a rotating way coaxially corresponding to the fixed fluted disc (19) in the grinding chamber (17), coffee beans which are arranged in the two grinding fluted discs (19, 26) are ground relatively by rotating, a spring (27) is arranged in the feeding screw rod (21), the spring (27) is also sleeved on the outer edge of the motor shaft (14), namely one end of the spring (27) is a blocking edge (28) which is pressed against the feeding screw rod (21), and the other end of the spring (27) is pressed against a blocking ring (151) of the motor shaft (14), so that a convex ring (22) at the side end of the feeding disc (20) can be tightly pressed against the surface of a bearing (43) of the adjusting cover (40);

the front cover (30) is roughly a disk body, the outer edge of the front cover (30) is provided with two screw holes (31) in a connecting way, the front cover (30) is screwed on the two corresponding screw holes (191) of the round shell (13) through two screws, the central part of the side end of the front cover (30) is convexly provided with a neck part (32), the inner edge of the neck part (32) is provided with threads in a ring way, a spring (34) and a round key (35) are sequentially arranged in a concave hole (33) at the upper end of the neck part (32), and the side end of the round key (35) is pressed against a ratchet disk (42) of the adjusting cover (40) through the elastic force of the spring (34);

the adjusting cover (40) is a rotatable knob, an adjuster (41) is screwed at the inner end of the adjusting cover (40), the outer edge of the adjuster (41) is provided with screw threads, so that the adjusting cover (40) can be screwed on the inner edge of the neck part (32) of the front cover (30), a ratchet plate (42) is fixed on the bottom surface of the side end of the adjuster (41) to make the adjusting cover (40) rotate manually, the ratchet plate (42) is pressed by the round key (35) of the front cover (30), and generates a click adjusting sound, and the bearing (43) at the other end of the adjuster (41) is a convex ring (22) which can be pressed against the side end of the feeding tray (20), further, by rotating the adjusting cover (40), the distance between the feeding plate (20) and the grinding fluted disc (19) can be adjusted axially, thereby achieving the effect of adjusting and controlling the particle size of the ground coffee powder.

As shown in FIG. 4, after the motor is started, the feed plate (20) is rotated, and the coffee beans from the hopper (B) fall into the feed chamber (161) at the lower end of the feed port (16), and the coffee beans in the feed chamber (161) are guided into the two corresponding grinding disks (19, 26) by the screw propelling action of the feed screw (21), the coffee beans in the two grinding disks (19, 26) are ground into coffee powder by the relative rotation and grinding action between the two grinding disks (19, 26), and the ground coffee powder is discharged from the outlet (18) at the lower edge of the grinding chamber (17) and falls into the coffee powder container (A), and when the adjusting cover (40) is rotated reversely, the grinding disk (26) on the feed plate (20) is moved axially to the left to move the two corresponding grinding disks (19, 19), 26) The spacing is increased so that larger particles of coffee powder can be ground.

In contrast, when the adjusting plate (40) is rotated in the forward direction, the grinding toothed disc (26) on the feeding plate (20) is moved axially to the right, so that the distance between the two corresponding grinding toothed discs (19, 26) is reduced, as shown in fig. 3, and thus, coffee powder with smaller particles can be ground.

Claims

1. An improved structure of a coffee grinder is characterized by comprising a seat body, a feeding tray, a front cover and an adjusting cover; wherein,

the upper end of the seat body is connected with a round shell, a motor is arranged in the round shell, the side end of the round shell is connected with a grinding chamber, and a hopper is embedded at a feed port of the round shell;

the feeding plate is a feeding grinding element which synchronously rotates with the motor shaft, the feeding plate is arranged in the grinding chamber, a grinding fluted disc is fixed on the inner side wall surface of the grinding chamber in a threaded manner, a feeding screw rod capable of being spirally pushed is arranged at the side end of the feeding plate in a connected manner, a spring is sleeved in the feeding screw rod and integrally sleeved on the motor shaft, a convex ring is arranged at the side end of the feeding plate in a connected manner, another grinding fluted disc is fixed at the inner end surface of the feeding plate in a threaded manner, and the grinding fluted disc can rotate rapidly;

the front cover is an approximate disc body which is screwed on the round shell, the inner edge of the neck part convexly arranged at the side end of the front cover is annularly provided with threads, a spring and a round key are sequentially arranged in a concave hole at the upper end of the neck part, and the side end of the round key is propped against a ratchet disc of the adjusting cover;

the adjusting cover is a rotatable knob, an adjuster is screwed at the inner side end of the adjusting cover, the outer edge ring of the adjuster is provided with threads, a bearing at the side end of the adjuster can be propped against a convex ring at the side end of the feeding plate, and the distance between the two corresponding grinding fluted discs can be adjusted through the rotation adjusting action of the adjusting cover.

2. The improvement of coffee grinder structure as claimed in claim 1, wherein the grinding chamber is provided with an outlet at its lower edge, which is communicated with the coffee powder container.