CN210871165U

CN210871165U - Coffee grinder

Info

Publication number: CN210871165U
Application number: CN201921317478.1U
Authority: CN
Inventors: 沈兴荣; 张友玲
Original assignee: Shaoxing Jiehui Electrical Appliance Co ltd
Current assignee: Shaoxing Jiehui Electrical Appliance Co ltd
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-06-30
Anticipated expiration: 2029-08-14

Abstract

A coffee grinder comprises a shell, wherein a base, a motor and a cutter head connected with the motor are arranged in the shell; the inner side of the upper end of the base is provided with a grinding cavity; a powder outlet is formed in the front side of the base; a powder outlet seat is fixed on the powder outlet; the front side of the shell is connected with a mask; a powder pipe is fixed on the face mask, and the cutter head comprises an upper cutter head and a lower cutter head; the lower cutter head is connected with the base through a vertical height adjusting mechanism; the lower end of the vertical height adjusting mechanism is connected with an upper three-jaw coupling; the motor comprises a rotating shaft; a lower three-jaw coupling is fixed at the upper end of the rotating shaft; the lower three-jaw coupling is connected with the upper three-jaw coupling; the powder tube is connected with the mask through a drawing mechanism. The utility model adjusts the space between the lower cutter head and the upper cutter head through the vertical height adjusting mechanism, thereby grinding coffee powder with different particle sizes according to the requirement; and the powder tube is connected with the face mask through the drawing mechanism, so that the powder tube is very convenient to disassemble.

Description

Coffee grinder

Technical Field

The utility model relates to a coffee grinder.

Background

The cutter head of the coffee grinder generally consists of an upper cutter head and a lower cutter head, and the distance between the upper cutter head and the lower cutter head determines the particle size of ground coffee powder; the space between the existing upper cutter disc and the existing lower cutter disc is fixed, and the particle size of the coffee powder is not adjusted according to the requirement; and current powder pipe generally adopts the bolt fastening to cover on, and it is comparatively troublesome to dismantle when needs clearance powder pipe.

SUMMERY OF THE UTILITY MODEL

The utility model discloses be exactly in order to solve and provide a can adjust interval and powder pipe between top head and the lower cutter and adopt the coffee grinder technical problem of pull structural connection.

In order to solve the technical problem, the utility model relates to a coffee grinder's technical solution does:

the device comprises a shell, wherein a base, a motor and a cutter head connected with the motor are arranged in the shell; the inner side of the upper end of the base is provided with a grinding cavity; the cutter head is positioned in the grinding cavity; the upper end of the shell is connected with a cover plate; the cover plate is connected with a bean bin; the bean bin is communicated with the grinding cavity; the lower end of the bean bin is connected with a rotary material baffle plate; a powder outlet is formed in the front side of the base; a powder outlet seat is fixed on the powder outlet; the front side of the shell is connected with a mask; a powder pipe is fixed on the face mask, and the cutter head comprises an upper cutter head and a lower cutter head; the upper cutter head is fixed on the upper cutter head seat; the upper cutter head seat is fixed at the upper end of the base; the lower cutter head is connected with the base through a vertical height adjusting mechanism; the lower end of the vertical height adjusting mechanism is connected with an upper three-jaw coupling; the motor is fixed below the base; the motor comprises a rotating shaft; a lower three-jaw coupling is fixed at the upper end of the rotating shaft; the lower three-jaw coupling is connected with the upper three-jaw coupling; the powder tube is connected with the mask through a drawing mechanism.

The vertical height adjusting mechanism comprises a lower cutter head seat, a vertical main shaft, a bearing fixing seat, a flange plate, an adjusting rod and a knob; the lower cutter head is fixed on the lower cutter head seat; the lower cutter head seat is fixed at the upper end of the vertical main shaft; the bearing fixing seat is fixed on the outer side of the vertical main shaft; the bearing fixing seat is vertically connected in the base in a sliding manner; a step ring is arranged below the grinding cavity of the base; a wave-shaped gasket is connected between the step ring and the bearing fixing seat; the side edge of the bearing fixing seat is provided with a conical adjusting hole; the flange plate is fixed on the side edge of the base; the bottom end of the adjusting rod is a cone matched with the conical adjusting hole; the bottom end of the adjusting rod sequentially penetrates through the shell, the flange plate and the base and abuts against the side face of the conical adjusting hole; the knob is fixed at the outer end of the adjusting rod; the adjusting rod is in threaded connection with the flange plate; the upper three-jaw coupling is fixed at the lower end of the vertical main shaft.

A limiting rod is fixed in the knob; the shell is provided with an arc-shaped limiting groove which is coaxial with the adjusting rod; the limiting rod is located in the arc-shaped limiting groove.

And a sealing ring is fixed between the lower cutter head seat and the base.

The lower cutter head seat comprises an inner fixed disk and an outer cleaning ring connected to the outer side of the inner fixed disk; the inner fixed disc and the outer cleaning ring are coaxial; a plurality of cleaning claw blocks are arranged on the outer cleaning ring.

The clearance claw piece is 3 altogether and the equal angle evenly distributed on outer clearance ring with the axle center of outer clearance ring as the axle center.

The drawing mechanism comprises a powder tube fixing seat; the outer sides of the left side edge and the right side edge of the powder tube fixing seat are connected with connecting lugs; the connecting lug is connected with the mask through a bolt; bayonets are formed on two side edges of the powder pipe; the inner sides of the left side edge and the right side edge of the powder tube fixing seat are connected with hemispherical clamping blocks; the bayonet is clamped on the hemispherical fixture block.

The powder pipe is provided with a split slot extending outwards from the bayonet; each bayonet is provided with a corresponding crack.

The four inner side surfaces of the shell are connected with positioning strips; the bottom of the positioning strip is connected with a lower fixing plate through a bolt; the motor is fixed above the lower fixing plate through bolts.

The bottom of the shell is connected with a lower cover plate through a bolt; a capacitor fixing plate is fixed above the lower cover plate through bolts; a capacitor is fixed on the capacitor fixing plate; the bottom end of the rotating shaft penetrates through the lower cover plate and is connected with the fan blade; the lower cover plate is provided with heat dissipation holes.

The utility model discloses the technological effect that can reach is: the utility model adjusts the space between the lower cutter head and the upper cutter head through the vertical height adjusting mechanism, thereby grinding coffee powder with different particle sizes according to the requirement; and the powder pipe is connected with the face mask through the drawing mechanism, when the powder pipe is disassembled, the powder pipe only needs to be drawn out, and the disassembly is very convenient.

Drawings

The invention will be described in further detail with reference to the following drawings and detailed description:

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

FIG. 2 is a partial exploded view of a coffee grinder drawing mechanism of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic view showing the connection of the powder tube holder, the powder tube and the mask;

FIG. 5 is a partial cross-sectional view of a coffee grinder pull mechanism of the present invention;

FIG. 6 is a schematic view of the structure of the powder tube;

FIG. 7 is a partial exploded view of the cutter head connection of a coffee grinder of the present invention;

FIG. 8 is an enlarged view of portion B of FIG. 7;

FIG. 9 is a schematic structural view of the lower cutter head holder;

FIG. 10 is a cross-sectional view of a coffee grinder of the present invention;

FIG. 11 is an enlarged view of section C of FIG. 10;

FIG. 12 is an enlarged view of section D of FIG. 11;

FIG. 13 is a partial cross-sectional view E-E of FIG. 12;

FIG. 14 is an enlarged view of section F of FIG. 10;

FIG. 15 is an exploded view of a coffee grinder of the present invention;

FIG. 16 is a schematic view of the connection of the lower fixing plate;

FIG. 17 is a schematic view of the structure of the base;

FIG. 18 is a schematic structural view of a conventional lower cutter head base after being fixed;

FIG. 19 is an enlarged view of portion G of FIG. 18;

fig. 20 is a schematic structural view of a conventional lower cutter head holder.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

See fig. 1-20.

A coffee grinder comprises a shell 1, wherein a base 2, a motor 3 and a cutter head connected with the motor 3 are installed in the shell 1; the inner side of the upper end of the base 2 is provided with a grinding cavity 4; the cutter head is positioned in the grinding cavity 4; the upper end of the shell 1 is connected with a cover plate 5; the cover plate 5 is connected with a bean bin 6; the bean bin 6 is communicated with the grinding cavity 4; the lower end of the bean bin 6 is connected with a rotary material baffle 7; a powder outlet 8 is formed in the front side of the base 2; a powder outlet seat 17 is fixed on the powder outlet 8; the front side of the shell 1 is connected with a mask 9; a powder pipe 13 is fixed on the face guard 9, and the cutter head comprises an upper cutter head 10 and a lower cutter head 11; the upper cutter head 10 is fixed on the upper cutter head seat 12; the upper cutter head seat 12 is fixed at the upper end of the base 2; the lower cutter head 11 is connected with the base 2 through a vertical height adjusting mechanism; the lower end of the vertical height adjusting mechanism is connected with an upper three-jaw coupling 14; the motor 3 is fixed below the base 2; the motor 3 comprises a rotating shaft 15; a lower three-jaw coupling 16 is fixed at the upper end of the rotating shaft 15; the lower three-jaw coupling 16 is connected with the upper three-jaw coupling 14; the powder tube 13 is connected with the face mask 9 through a drawing mechanism.

Specifically, the vertical height adjusting mechanism comprises a lower cutter head seat 21, a vertical main shaft 22, a bearing fixing seat 23, a flange plate 24, an adjusting rod 29 and a knob 26; the lower cutter head 11 is fixed on the lower cutter head seat 21; the lower cutter head seat 21 is fixed at the upper end of the vertical main shaft 22; the bearing fixing seat 23 is fixed on the outer side of the vertical main shaft 22; the bearing fixing seat 23 is vertically connected in the base 2 in a sliding manner; a step ring 25 is arranged below the grinding cavity 4 of the base 2; a wave-shaped gasket 27 is connected between the step ring 25 and the bearing fixing seat 23 (the wave-shaped gasket 27 is in a ring shape and is sleeved on the vertical main shaft 22); a conical adjusting hole 28 is formed in the side edge of the bearing fixing seat 23; the flange plate 24 is fixed on the side edge of the base 2; the bottom end of the adjusting rod 29 is a cone matched with the conical adjusting hole 28; the bottom end of the adjusting rod 29 sequentially penetrates through the shell 1, the flange plate 24 and the base 2 and abuts against the side face of the conical adjusting hole 28; the knob 26 is fixed at the outer end of the adjusting rod 29; the adjusting rod 29 is in threaded connection with the flange plate 24; the upper three-jaw coupling 14 is fixed to the lower end of the vertical main shaft 22.

Specifically, an upper bearing 81 and a lower bearing 82 are installed in the bearing fixing seat 23; the upper bearing 81 and the lower bearing 82 are fixed to the upper end and the lower end of the vertical main shaft 22, respectively.

Specifically, the knob 26 is internally fixed with a limiting rod 30; an arc-shaped limiting groove 31 which is coaxial with the adjusting rod 29 is formed in the shell 1; the limiting rod 30 is positioned in the arc-shaped limiting groove 31.

Specifically, a seal ring 32 is fixed between the lower cutter head seat 21 and the base 2.

Specifically, the lower cutter head seat 21 comprises an inner fixed disk 41 and an outer cleaning ring 42 connected to the outer side of the inner fixed disk 41; the inner fixed disc 41 and the outer cleaning ring 42 are coaxial; a plurality of cleaning claw blocks 43 are arranged on the outer cleaning ring 42. More specifically, the outer end of the cleaning claw block 43 extends outwards to form an extension end 44, and the bottom of the extension end 44 is provided with an adjusting opening 45.

Specifically, the number of the cleaning claw blocks 43 is 3 in total and the cleaning claw blocks are uniformly distributed on the outer cleaning ring 42 at equal angles by taking the axis of the outer cleaning ring 42 as the axis.

Specifically, the drawing mechanism comprises a powder tube fixing seat 52; the outer sides of the left side and the right side of the powder tube fixing seat 52 are connected with connecting lugs 53; the connecting lug 53 is connected with the mask 9 through a bolt; bayonets 55 are arranged on both sides of the powder tube 13; the inner sides of the left side and the right side of the powder tube fixing seat 52 are connected with hemispherical fixture blocks 51; the bayonet 55 is clamped on the hemispherical fixture block 51.

Specifically, the powder tube 13 is provided with a split slit 56 extending outwards from the bayonet 55; each bayonet 55 is provided with a corresponding split slot 56.

Specifically, the four inner side surfaces of the shell 1 are all connected with positioning strips 61; the bottom of the positioning strip 61 is connected with a lower fixing plate 62 through a bolt; the motor 3 is fixed above the lower fixing plate 62 through bolts.

Specifically, the bottom of the shell 1 is connected with a lower cover plate 71 through a bolt; a capacitor fixing plate 72 is fixed above the lower cover plate 71 through bolts; a capacitor 73 is fixed on the capacitor fixing plate 72; the bottom end of the rotating shaft 15 penetrates through the lower cover plate 71 and is connected with a fan blade 74; the lower cover plate 71 is provided with heat dissipation holes 75.

The specific description is as follows: the vertical height adjusting mechanism is a structure for adjusting the distance between the upper cutter disc 10 and the lower cutter disc 11, and specifically (refer to fig. 11 and 12), when the distance between the upper cutter disc 10 and the lower cutter disc 11 is adjusted to be smaller, firstly, the knob 26 is rotated, the knob 26 drives the adjusting rod 29 to rotate, because the adjusting rod 29 is in threaded connection with the flange plate 24, at this time, the cone at the bottom end of the adjusting rod 29 is pushed inwards, so that the bearing fixing seat 23 slides upwards, the waveform gasket 27 is compressed, the bearing fixing seat 23 drives the vertical main shaft 22 to slide upwards while sliding upwards, the vertical main shaft 22 finally drives the lower cutter disc 11 and the lower cutter disc seat 21 to move upwards, and at this time, the distance between the upper cutter disc 10 and the lower cutter; when the distance between the upper cutter disc 10 and the lower cutter disc 11 needs to be adjusted to be increased, the knob 26 is rotated in the reverse direction, the knob 26 drives the adjusting rod 29 to rotate, the cone at the bottom end of the adjusting rod 29 slides outwards, the wave-shaped gasket 27 starts to restore to the original state to drive the bearing fixing seat 23 to slide downwards, the bearing fixing seat 23 drives the vertical main shaft 22 to slide downwards while sliding downwards, the vertical main shaft 22 finally drives the lower cutter disc 11 and the lower cutter disc seat 21 to move downwards, and at this time, the distance between the upper cutter disc 10 and the lower cutter disc 11 is increased. Specifically, a sealing ring 32 is fixed between the lower cutter head seat 21 and the base 2, so as to prevent ground powder in the grinding cavity 4 from falling into the bearing fixing seat 23; specifically, the knob 26 is internally fixed with a limiting rod 30, the housing 1 is provided with an arc-shaped limiting groove 31 coaxial with the adjusting rod 29, and when the knob 26 is rotated, the limiting rod 30 is limited in the arc-shaped limiting groove 31, so that the rotation angle of the knob 26 is limited, that is, the adjustment of the distance between the upper cutter disc 10 and the lower cutter disc 11 is limited, which can prevent the problem that the distance between the upper cutter disc 10 and the lower cutter disc 11 is too large or too small.

The utility model discloses a three-jaw coupling 14 is connected to vertical main shaft 22 lower extreme, and three-jaw coupling 16 under the 15 upper ends of motor shaft are fixed, and vertical main shaft 22 is connected with three-jaw coupling 16 down through last three-jaw coupling 14, consequently moves the certain distance upwards when vertical main shaft 22, and pivot 15 still can drive vertical main shaft 22 and rotate.

The pulling mechanism connects the powder tube 13 with the powder tube fixing seat 52 in a buckling manner, specifically, the powder tube fixing seat 52 is connected to the face mask 9 through a bolt, and the face mask 9 is also fixed on the shell 1 through a bolt; more specifically, the outer sides of the left side and the right side of the powder tube fixing seat 52 are both connected with connecting lugs 53, the connecting lugs 53 are connected with the face mask 9 through bolts, the two sides of the powder tube 13 are both provided with bayonets 55, the powder tube 13 is clamped on the hemispherical clamping blocks 51 through the bayonets 55 and clamped on the powder tube fixing seat 52, and in order to enable the powder tube 13 to be pulled more smoothly, the bayonets 55 of the powder tube 13 are both provided with split slots 56 extending from the bayonets 55 to the outer side; when the powder tube 13 is clamped on the hemispherical fixture block 51 through the clamping opening 55, the upper end of the powder tube 13 is just connected with the outlet of the powder outlet seat 17 (refer to fig. 3 and 5).

The lower cutter head seat 21 of the utility model comprises an inner fixed disk 41 and an outer cleaning ring 42 connected with the outer side of the inner fixed disk 41; the existing lower cutter head seat 21 generally does not have the outer cleaning ring 42, and the cleaning claw block 43 is directly connected to the side of the inner fixing disc 41, when the lower cutter head seat 21 is fixed on the base 2, the cleaning claw block 43 and the base 2 are separated by a gap (refer to fig. 18, 19 and 20), and the cleaning is very inconvenient; the lower cutter head seat 21 of the utility model is provided with an outer cleaning ring 42, and the cleaning claw block 43 is positioned above the outer cleaning ring 42, when the lower cutter head seat is installed (refer to fig. 8, 9 and 12), the outer side wall of the outer cleaning ring 42 is basically attached to the inner wall of the base 2 (refer to fig. 12), and the cleaning is very convenient; and clearance claw piece 43 outer end outwards extends has extension end 44, and open the bottom has regulation mouth 45, and regulation mouth 45's effect is because the utility model discloses install vertical height adjustment mechanism, reciprocate the in-process of adjusting under cutter head seat 21, extend end 44 under the terminal surface can not hit base 2.

The utility model discloses motor 3 is fixed above lower fixed plate 62 through the bolt, and 14 medial surfaces of casing are connected with location strip 61, and lower fixed plate 62 is fixed on location strip 61 through the bolt; the bottom of the casing 1 is connected with a lower cover plate 71 through a bolt, a capacitor fixing plate 72 is fixed above the lower cover plate 71 through a bolt, a capacitor 73 is fixed on the capacitor fixing plate 72, the bottom end of the rotating shaft 15 penetrates through the lower cover plate 71 to be connected with a fan blade 74, a heat dissipation hole 75 is formed in the lower cover plate 71, the motor 3 rotates to drive the fan blade 74 to rotate, and the fan blade 74 blows air to the heat dissipation hole 75 to dissipate heat of the temperature in the casing 1.

Claims

1. A coffee grinder comprises a shell (1), wherein a base (2), a motor (3) and a cutter head connected with the motor (3) are installed in the shell (1); the inner side of the upper end of the base (2) is provided with a grinding cavity (4); the cutter head is positioned in the grinding cavity (4); the upper end of the shell (1) is connected with a cover plate (5); the cover plate (5) is connected with a bean bin (6); the bean bin (6) is communicated with the grinding cavity (4); the lower end of the bean bin (6) is connected with a rotary material baffle (7); a powder outlet (8) is formed in the front side of the base (2); a powder outlet seat (17) is fixed on the powder outlet (8); the front side of the shell (1) is connected with a face mask (9); be fixed with powder pipe (13) on face guard (9), its characterized in that: the cutter head comprises an upper cutter head (10) and a lower cutter head (11); the upper cutter head (10) is fixed on the upper cutter head seat (12); the upper cutter head seat (12) is fixed at the upper end of the base (2); the lower cutter head (11) is connected with the base (2) through a vertical height adjusting mechanism; the lower end of the vertical height adjusting mechanism is connected with an upper three-jaw coupling (14); the motor (3) is fixed below the base (2); the motor (3) comprises a rotating shaft (15); a lower three-jaw coupling (16) is fixed at the upper end of the rotating shaft (15); the lower three-jaw coupling (16) is connected with the upper three-jaw coupling (14); the powder pipe (13) is connected with the face mask (9) through a drawing mechanism.

2. A coffee grinder as claimed in claim 1, characterized in that: the vertical height adjusting mechanism comprises a lower cutter head seat (21), a vertical main shaft (22), a bearing fixing seat (23), a flange plate (24), an adjusting rod (29) and a knob (26); the lower cutter head (11) is fixed on the lower cutter head seat (21); the lower cutter head seat (21) is fixed at the upper end of the vertical main shaft (22); the bearing fixing seat (23) is fixed on the outer side of the vertical main shaft (22); the bearing fixing seat (23) is vertically connected in the base (2) in a sliding manner; a step ring (25) is arranged below the grinding cavity (4) of the base (2); a wave-shaped gasket (27) is connected between the step ring (25) and the bearing fixing seat (23); a conical adjusting hole (28) is formed in the side edge of the bearing fixing seat (23); the flange plate (24) is fixed on the side edge of the base (2); the bottom end of the adjusting rod (29) is a cone matched with the conical adjusting hole (28); the bottom end of the adjusting rod (29) sequentially penetrates through the shell (1), the flange plate (24) and the base (2) and abuts against the side face of the conical adjusting hole (28); the knob (26) is fixed at the outer end of the adjusting rod (29); the adjusting rod (29) is in threaded connection with the flange plate (24); the upper three-jaw coupling (14) is fixed at the lower end of the vertical main shaft (22).

3. A coffee grinder as claimed in claim 2, characterized in that: a limiting rod (30) is fixed in the knob (26); an arc-shaped limiting groove (31) coaxial with the adjusting rod (29) is formed in the shell (1); the limiting rod (30) is positioned in the arc-shaped limiting groove (31).

4. A coffee grinder as claimed in claim 2 or 3, characterized in that: and a sealing ring (32) is fixed between the lower cutter head seat (21) and the base (2).

5. A coffee grinder as claimed in claim 4, characterized in that: the lower cutter head seat (21) comprises an inner fixed disc (41) and an outer cleaning ring (42) connected to the outer side of the inner fixed disc (41); the inner fixed disc (41) and the outer cleaning ring (42) are coaxial; the outer cleaning ring (42) is provided with a plurality of cleaning claw blocks (43).

6. A coffee grinder as claimed in claim 5, characterized in that: the number of the cleaning claw blocks (43) is 3, and the cleaning claw blocks are uniformly distributed on the outer cleaning ring (42) in an equal angle by taking the axis of the outer cleaning ring (42) as the axis.

7. A coffee grinder as claimed in claim 1, characterized in that: the drawing mechanism comprises a powder tube fixing seat (52); the outer sides of the left side and the right side of the powder tube fixing seat (52) are connected with connecting lugs (53); the connecting lug (53) is connected with the mask (9) through a bolt; bayonets (55) are arranged on two side edges of the powder pipe (13); the inner sides of the left side and the right side of the powder tube fixing seat (52) are connected with hemispherical fixture blocks (51); the bayonet (55) is clamped on the hemispherical fixture block (51).

8. A coffee grinder as claimed in claim 7, characterized in that: the powder pipe (13) is provided with a split slit (56) which extends outwards from the bayonet (55); each bayonet (55) is provided with a corresponding crack slot (56).

9. A coffee grinder as claimed in claim 1, characterized in that: the four inner side surfaces of the shell (1) are connected with positioning strips (61); the bottom of the positioning strip (61) is connected with a lower fixing plate (62) through a bolt; the motor (3) is fixed above the lower fixing plate (62) through bolts.

10. A coffee grinder as claimed in claim 9, characterized in that: the bottom of the shell (1) is connected with a lower cover plate (71) through a bolt; a capacitor fixing plate (72) is fixed above the lower cover plate (71) through bolts; a capacitor (73) is fixed on the capacitor fixing plate (72); the bottom end of the rotating shaft (15) penetrates through the lower cover plate (71) to be connected with a fan blade (74); the lower cover plate (71) is provided with heat dissipation holes (75).