CN213757843U

CN213757843U - Manual bean grinder

Info

Publication number: CN213757843U
Application number: CN202022108216.3U
Authority: CN
Inventors: 松村众三
Original assignee: Taiwan Haolio Co ltd
Current assignee: Taiwan Haolio Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-07-23
Anticipated expiration: 2030-09-23

Abstract

The utility model relates to a manual bean grinder mainly is with the transmission shaft with two sets of bearing location to put on the transmission shaft and be equipped with the piece that sticiss, when making hand rotatory crank, this transmission shaft can not have the level or the vertical direction rocks, can accurately fix the grinding interval of inside and outside blade disc, reaches the meticulous degree that increases the grinding, reduces the efficiency that the unable anticipated farine produced. In addition, the powder cup is combined with the body by changing a quick-release structure, so that the effect of quickly and conveniently detaching and installing the powder cup is achieved.

Description

Manual bean grinder

Technical Field

The utility model relates to a manual bean grinder, in particular to a manual bean grinder which can finely control the thickness of powder and can conveniently disassemble a powder cup.

Background

The existing manual bean grinder is mainly characterized in that an outer cutter head and a bearing are arranged in a main body, a transmission shaft and an inner cutter head are arranged in the middle in a penetrating mode, a hand crank is connected with the transmission shaft, a powder cup is arranged below the main body in a group mode, and the thickness of powder is adjusted by adjusting a grinding gap between the inner cutter head and the outer cutter head. The above structure, in fact, has the following drawbacks:

(1) when the hand crank is operated, the transmission shaft is often slightly shaken in the horizontal direction or the vertical direction, so that the grinding clearance of the inner cutter disc and the outer cutter disc is changed, and the grinding thickness distribution is not consistent with the expected distribution.

(2) When the thickness of the powder to be ground is to be adjusted, most of the existing manual bean grinding machine is provided with an adjusting screw above or below the transmission shaft, and the transmission shaft and the inner cutter disc are driven to move up and down by rotating the adjusting screw. However, since the adjusting screw is small in size, the displacement of the inner cutter head changed by slightly rotating the adjusting screw is large, and it is difficult to finely adjust the distance between the grinding gaps. If the adjusting screw piece is arranged below the transmission shaft, the powder cup needs to be detached to be adjusted, and the use is very troublesome.

(3) The powder cup of the existing manual bean grinder is often provided with inner screw threads which are mutually screwed with the outer screw threads below the main body, but coffee powder generated by grinding is easy to adhere to the joint screw thread of the powder cup and the main body of the bean grinder, and after years of use, if maintenance is careless and clean, after the coffee powder grease is oxidized, the powder cup is difficult to detach and separate from the main body of the bean grinder. In addition, the powder cup is also usually attached to the main body in a magnetic manner, and although the magnetic manner has a very strong magnetic force in the vertical direction, if there is an external force in the horizontal direction, the powder cup will be knocked or knocked on the magnetic portion, and the powder cup will fall off in an unexpected situation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to improve the existing defects and provide a novel manual bean grinder.

In order to achieve the above object, the utility model provides a manual bean grinder, wherein, contain:

the cutter comprises a body, a cutter head and a cutter head, wherein the body is a hollow shell, the upper end of the body is provided with inner threads, and the lower end of the body is provided with a first bearing and an outer cutter head;

a transmission shaft penetrates through the first bearing, the lower end of the transmission shaft is provided with a spring, an inner cutter disc and an inner cutter disc fixing seat, and the upper end of the transmission shaft protrudes out of the upper end of the body and is provided with a neck part with the diameter smaller than that of the lower end;

the adjusting ring is provided with outer threads corresponding to the inner threads at the upper end of the body, a second bearing is arranged in the middle of the adjusting ring and is used for the neck of the transmission shaft to penetrate through, and a plurality of convex blocks are arranged on the outer side of the adjusting ring;

the rotating ring is sleeved on the adjusting ring, and the inner side of the rotating ring is provided with a plurality of lugs capable of being meshed with the lugs on the outer side of the adjusting ring;

the spring is sleeved between the rotating ring and the body and pushes the rotating ring so that the convex block of the rotating ring is positioned above the convex block of the adjusting ring and is in an unmeshed state;

and the power structure is arranged above the adjusting ring and used for connecting a hand crank to the transmission shaft.

In an embodiment of the present invention, the power structure includes an upper cover, the upper cover is disposed above the adjusting ring, the outer side of the upper cover has a first through hole, and the middle of the upper cover has a hollow socket with a second through hole;

the hand crank passes through the first through hole, the second through hole and is connected with the upper cover and is provided with a third through hole,

the upper end of the neck part of the transmission shaft is provided with a screw hole;

a pressing piece, the lower end of which is provided with a screw thread which passes through the sleeve knot piece and the third through hole to be screwed with the transmission shaft.

The manual bean grinder further comprises a powder cup, wherein the powder cup is combined with the body through a quick-release structure, and the quick-release structure comprises:

a first annular groove is arranged at the lower end of the body;

the upper end of the powder cup is provided with an extension section with a larger inner diameter width for the insertion and positioning of the body, a plurality of containing holes and a second annular groove are annularly arranged;

the steel balls are respectively arranged in the containing holes, and when the body is inserted into the powder cup, the steel balls can be clamped in the first annular groove;

the slip cover is sleeved at the upper end of the powder cup, a convex ring is arranged in the slip cover and is partitioned into an upper groove and a lower groove through the convex ring, and the upper groove is used for the displacement of the steel balls;

the limiting piece is sleeved in the second annular groove and used for preventing the sliding cover from being separated;

a re-extending spring, which is sleeved between the lower groove and the extending section and can push the sliding cover.

In the above-mentioned manual bean grinder, the position-limiting member is in the shape of a full circle or in the shape of a C-shaped buckle.

The utility model has the advantages that: the transmission shaft is positioned by two groups of bearings, and the pressing piece is arranged on the transmission shaft, so that when the hand crank is rotated by hand, the transmission shaft does not shake horizontally or vertically, the grinding distance between the inner cutter head and the outer cutter head can be accurately fixed, the grinding fineness is increased, and the effect of reducing the generation of unexpected fine powder is achieved. In addition, the powder cup is combined with the body by changing a quick-release structure, so that the effect of quickly detaching and installing the powder cup is achieved.

Drawings

Fig. 1 is an exploded perspective view of the present invention.

Fig. 2 is a perspective view of the present invention.

Fig. 3 is a side sectional view of the present invention.

Fig. 4 is an operation schematic diagram of the adjusting ring of the present invention.

Fig. 5 is a sectional view a-a.

Fig. 6 is a schematic diagram of the present invention for adjusting thickness.

Fig. 7 is a schematic view of the present invention.

Fig. 8 is a schematic view of the present invention for disassembling the powder cup.

Fig. 9 is a schematic diagram of the separation of the powder cup of the present invention.

Description of reference numerals:

10 main body

100 internal screw thread

11 first bearing

12 outer cutter head

13 drive shaft

130 neck part

131 screw hole

14 spring

15 inner cutter disc

16 inner cutter disc fixing seat

17 first annular groove

20 adjusting ring

21 external screw thread

22 second bearing

23 bump

24 rotating ring

25 bump

26 spring

30 power structure

31 hand crank

313 third perforation

32 upper cover

321 first through hole

322 second perforation

323 hitch component

33 urging member

330 thread

40 powder cup

400 extension segment

401 containing hole

402 second annular groove

403 steel ball

41 quick-release structure

42 sliding closure

420 convex ring

421 upper groove

422 lower groove

43 limiting part

44 return spring.

Detailed Description

Referring to fig. 1 to 3, the present invention is a manual bean grinder, comprising: a body 10, which is a hollow shell, having an inner screw thread 100 at the upper end and a first bearing 11 and an outer cutter 12 at the lower end; a transmission shaft 13 passes through the first bearing shaft 11, the lower end of the transmission shaft 13 is provided with a spring 14, an inner cutter head 15 and an inner cutter head fixing seat 16, the upper end of the transmission shaft 13 protrudes out of the upper end of the body 10 and is provided with a neck part 130, the diameter of which is slightly smaller than that of the lower end; an adjusting ring 20 having an outer thread 21 corresponding to the inner thread 100 at the upper end of the body 10, a second bearing 22 provided in the middle for the neck 130 of the transmission shaft to pass through, a plurality of protrusions 23 provided on the outer side of the adjusting ring 20; a rotating ring 24, which is sleeved on the adjusting ring 20, and the inner side of the rotating ring 24 is provided with a plurality of projections 25 capable of being meshed with the projections 23 on the outer side of the adjusting ring 20; a spring 26, sleeved between the rotating ring 24 and the body 10, pushing the rotating ring 24 so that the projection 25 of the rotating ring 24 is located above the projection 23 of the adjusting ring 20, and is in an unengaged state; a power mechanism 30 is disposed above the adjusting ring 20 for connecting a hand crank 31 to the transmission shaft 13. The transmission shaft 13 is positioned by two supporting points of the first bearing 11 and the second bearing 22, so that the problem of horizontal shaking of the transmission shaft 13 caused by rotating the hand crank 31 can be solved.

Referring to fig. 4 to 6, when the powder thickness is to be adjusted, the rotating ring 24 is pressed down to engage the protrusion 25 of the rotating ring 24 with the protrusion 23 of the adjusting ring 20, and then the rotating ring 24 is rotated to drive the adjusting ring 20 to rotate together, so that the transmission shaft 13, the inner cutter head 15, and the power structure 30 move up and down together with the adjusting ring 20, thereby adjusting the grinding gap between the inner cutter head 15 and the outer cutter head 12. The adjustment ring 20 has a long thread circumference, so that the distance between the grinding gaps can be easily adjusted finely.

After the thickness of the powder is adjusted, the rotating ring 24 is released, the spring 26 pushes the rotating ring 24 upwards, so that the lug 25 of the rotating ring 24 is separated from the lug 23 of the adjusting ring 20 and is in an unmeshed state, the rotating ring 24 can idle at the moment, when the rotating ring 24 is touched carelessly, the position of the adjusting ring 20 cannot be influenced, and the thickness of the powder cannot be influenced in careless time.

The adjusting ring 20 can be rotated, and the power structure 30 of the manual bean grinder of the present invention can comprise an upper cover 32 disposed above the adjusting ring 20, wherein the outer side of the upper cover 32 is provided with a first through hole 321, and the middle of the upper cover is provided with a hollow sleeve part 323 with a second through hole 322; the hand crank 31 passes through the first through hole 321, the second through hole 322 and is connected with the upper cover 32, and has a third through hole 313, the upper end of the neck 130 of the transmission shaft 13 is provided with a screw hole 131; a fastening member 33 having a screw 330 at a lower end thereof, passing through the coupling 323 and the third through hole 313 to be screwed with the transmission shaft 13. By fastening the fastening member 33, the transmission shaft 13 is prevented from moving up and down arbitrarily, and the problem of vertical shaking of the transmission shaft 13 caused by rotation of the crank 31 can be solved.

Referring to fig. 8 and 9, the manual bean grinder of the present invention may further include a powder cup 40, which is combined with the main body 10 by a quick release structure 41, wherein the quick release structure 41 includes: a first annular groove 17 is arranged at the lower end of the body 10; an extension section 400 with a larger inner diameter width is arranged at the upper end of the powder cup 40, and is used for inserting and positioning the body 10, and a plurality of accommodating holes 401 and a second annular groove 402 are annularly arranged; a plurality of steel balls 403 are respectively disposed in the plurality of receiving holes 401, and when the main body 10 is inserted into the powder cup 40, the steel balls 403 are locked in the first annular groove 17; a sliding cover 42, sleeved on the upper end of the powder cup 40, having a protruding ring 420 therein, and partitioned into an upper groove 421 and a lower groove 422 by the protruding ring 420, wherein the upper groove 421 is used for the displacement of the steel ball 403; a limiting member 43 sleeved in the second annular groove 402 for preventing the sliding cover 42 from separating; a return spring 44 sleeved between the lower groove 422 and the extension 400 for pushing the sliding cover 42.

When the powder cup 40 is combined with the main body 10, the return spring 44 pushes the sliding cover 42, and the steel balls 403 are locked in the first annular groove 17 by the convex ring 420 of the sliding cover 42, so that the powder cup 40 is not separated from the main body 10. When the powder cup 40 is to be disassembled, the sliding cover 42 can be slid downwards to connect the upper groove 421 with the steel ball 403, and when the main body 10 is separated from the powder cup 40, the steel ball 403 is pushed into the upper groove 421, so that the powder cup 40 can be separated.

According to the concept of the present invention, the position-limiting element 43 may be a full circle or a C-shaped button.

According to the structure, the following effects and advantages can be achieved:

(1) the utility model discloses an use two sets of bearings and be equipped with tight piece 33 at power structure 30, make when manual rotation crank 31, though can't ensure that crank 31 only rotates in the horizontal direction atress, nevertheless because tight piece 33 is tight this transmission shaft 13, so transmission shaft 13 all can reduce the displacement of rocking of unable expectation in horizontal direction or vertical direction, make the grinding clearance between interior blade disc 15 and outer blade disc 12 can be fixed, the meticulous degree of multiplicable grinding, reduce the production of the fine powder of unable expectation.

(2) The utility model discloses because of the screw thread of adjustable ring 20 and current rotation spiral shell spare get up the girth longer relatively, when rotating the same radian, the utility model discloses and then the volume of adjustment axis of rotation 13 displacement is less, the grinding clearance between inside and outside

blade disc

15, 12 that promptly can the precision adjustment.

(3) The utility model has the structure of preventing the mistaken touch, when the rotating ring 24 is pressed down, the adjusting ring 20 can be adjusted to rotate, and the grinding gap between the inner and outer cutterheads 15 and 12 can be adjusted; when the rotating ring 24 is loosened, the rotating ring 24 is pushed by the spring 26, and the idle rotating ring 24 does not affect the grinding gap.

(4) The utility model discloses powder cup 40 combines with body 10 with quick detach structure 41, when wanting to dismantle powder cup 40, only needs to slide sliding closure 42 down, can dismantle powder cup 40. When the powder cup 40 is to be installed, the main body 10 is sleeved by sliding the sliding cover 42 downward, and then the sliding cover 42 is released, so that the powder cup 40 and the main body 10 are tightly combined without separation when the sliding cover 42 is pushed back by the return spring 44, and the use is very convenient.

The above description is only one of the preferred embodiments of the present invention, and the scope of the present invention should not be limited thereby; it is intended that all equivalent variations and modifications within the scope of the claims of the present invention shall fall within the scope of the claims of the present invention.

Claims

1. A manual bean grinder, comprising:

2. The manual bean grinder as claimed in claim 1, wherein the power structure comprises an upper cover disposed above the adjusting ring, the upper cover having a first through hole at an outer side thereof and a hollow socket member having a second through hole at a middle thereof;

3. A manual bean grinder as claimed in claim 1 or 2, further comprising a powder cup coupled to the body by a quick release structure comprising:

a first annular groove is arranged at the lower end of the body;

4. A hand operated bean grinder as claimed in claim 3, wherein the retainer is in the form of a full circle or C-shaped button.