CN219289276U

CN219289276U - Hand bean grinder

Info

Publication number: CN219289276U
Application number: CN202223589773.7U
Authority: CN
Inventors: 冯卫华; 李奇; 张小光
Original assignee: Beijing Gesha Legend Trading Co ltd
Current assignee: Beijing Gesha Legend Trading Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-07-04
Anticipated expiration: 2032-12-31

Abstract

The utility model relates to a hand-operated bean grinder, which comprises a shell, a cover body, an outer cutter disc, a lifting ring, a central shaft, a rocking handle and an inner cutter disc, wherein the cover body is detachably fixed at an opening at the bottom of the shell; an adjusting ring is arranged above the shell, the adjusting ring is sleeved with a screw joint outside the lifting ring, a top cover is also fixed at an opening at the upper end of the adjusting ring, and the upper end of the center shaft upwards penetrates through the top cover and extends out of the top cover; the utility model improves the comfort level and the operation experience sense, greatly improves the fineness of adjustment, ensures that the adjusting ring has better positioning effect and damping effect when rotating, and further increases the look and the grade of the hand-operated bean grinder.

Description

Hand bean grinder

Technical Field

The utility model relates to a hand-operated bean grinder.

Background

The bean grinder is a tool for grinding coffee beans into coffee small particles, the bean grinder can be divided into an electric bean grinder and a hand-operated bean grinder according to the driving mode, and the electric bean grinder saves labor and is rapid, but lacks participation, so that in order to experience the bean grinding process and feel the fragrance emitted during bean grinding, a plurality of users like to use the hand-operated bean grinder to experience the pleasure; the inner cutterhead is arranged inside the hand-operated bean grinder, and the outer cutterhead and the inner cutterhead arranged inside the outer cutterhead are respectively arranged inside the hand-operated bean grinder, so that when a user rotates the handle, the inner cutterhead can rotate inside the outer cutterhead to crush and grind coffee beans.

The fineness of the ground coffee powder can be adjusted by adjusting the gap between the outer wall of the inner cutter disc and the inner wall of the outer cutter disc; but the part that is used for adjusting the clearance between interior blade disc outer wall and the outer blade disc inner wall on the current hand bean grinder sets up in the bottom of casing to can reciprocate when adjusting, use the comfort level not good enough, the operation experience is felt relatively poor, and the fineness of adjusting is lower moreover, and both impression and grade are not enough, need further improvement.

Disclosure of Invention

Aiming at the current state of the art, the utility model aims to provide the hand-operated bean grinder which improves the use comfort and the operation experience sense and greatly improves the fineness of the fineness adjustment of the coffee powder so as to increase the look and the grade.

The technical scheme adopted for solving the technical problems is as follows: the hand-operated bean grinder comprises a shell, a cover body detachably fixed at the bottom opening of the shell, an outer cutter disc embedded and fixed inside the bottom opening of the shell, a lifting ring movably arranged in the shell and having an up-and-down movement function, a central shaft vertically and rotatably penetrating and arranged in the lifting ring and capable of moving up and down along with the lifting ring, a rocking handle fixed at the upper end of the central shaft and positioned above the shell, and an inner cutter disc fixed at the lower end of the central shaft and concentrically arranged inside the outer cutter disc, and is characterized in that an adjusting ring is further arranged above the shell, correspondingly, the lifting ring is arranged at the top of the shell, the adjusting ring is sleeved and connected outside the lifting ring in a threaded manner, a top cover is further fixed at the opening of the upper end of the adjusting ring, and the upper end of the central shaft upwards penetrates through the top cover and stretches out of the top cover; the inner side edge of the top opening of the shell is upwards provided with a limit ring, correspondingly, the inner wall of the opening of the lower end of the adjusting ring is provided with a first annular limit cavity, the first annular limit cavity is concentrically sleeved outside the limit ring, the outer circumferential surface of the limit ring is provided with a plurality of limit holes uniformly arranged along the circumferential direction at equal angles, each limit hole is also internally provided with a jacking device, and each jacking device comprises a pin roll movably arranged inside the opening of the outer end of the limit hole, a jackscrew detachably fixed inside the opening of the inner end of the limit hole and a spring which is arranged between the pin roll and the jackscrew and is always in a compressed state; the outer end of the pin shaft extends outwards to the outside of the limiting hole and is propped against the inner wall of the first annular limiting cavity; the top of casing still inlays and is equipped with two vertical reference columns that distribute, two the reference column each other is the setting of diagonal angle in the periphery of spacing collar, every the upper end of reference column all upwards is formed with a hemisphere head, a plurality of hemisphere cavitys that evenly set up along circumferencial direction equi angle are seted up to the lower extreme of adjusting ring, the quantity of hemisphere cavity is even, two hemisphere head on the reference column imbeds respectively in arbitrary two hemisphere cavitys that each other are the diagonal setting.

Preferably, a second annular limiting cavity is formed on the inner wall of the opening at the upper end of the adjusting ring, the top cover is detachably fixed in the second annular limiting cavity, a cover cap is further arranged above the top cover, and the cover cap is rotatably connected to the top of the top cover.

Preferably, the inside of the cap is also embedded with a core sleeve, the lower end of the core sleeve is detachably sleeved at the upper end of the central shaft, a gap is formed in one side of the cap, and the root of the rocking handle transversely penetrates through the gap and is inserted and fixed in the core column.

Preferably, a bearing is further embedded in the adjusting ring, and the bearing is sleeved on the middle shaft.

Preferably, the inner side edge of each hemispherical concave cavity is intersected and communicated with the inner wall of the first annular limiting cavity.

Compared with the prior art, the utility model has the advantages that: according to the utility model, the adjusting ring and the lifting ring for adjusting the gap between the outer wall of the inner cutter disc and the inner wall of the outer cutter disc are arranged at the top of the shell, the middle shaft can be driven to move up and down by the lifting ring which is in threaded connection with the adjusting ring during adjustment so as to adjust the gap between the outer wall of the inner cutter disc and the inner wall of the outer cutter disc, and the adjusting ring can not move up and down during rotation so as to improve the comfort level and the operation experience, greatly improve the fineness of adjustment, and enable the adjusting ring to have better positioning effect and damping effect during rotation, thereby further improving the appearance and grade of the hand-operated bean grinder.

Drawings

FIG. 1 is a schematic diagram of a top-down exploded view of the present utility model;

FIG. 2 is a front cross-sectional view of the present utility model;

fig. 3 is a view showing the internal structure of the lower end of the adjusting ring of the present utility model.

Detailed Description

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

In order to keep the following description of the embodiments of the present utility model clear and concise, the detailed description of known functions and known components thereof have been omitted.

As shown in fig. 1 to 3, a hand-operated bean grinder comprises a shell 1, a cover body 2 detachably fixed at the bottom opening of the shell 1, an outer cutter disc 3 embedded and fixed inside the bottom opening of the shell 1, a lifting ring 14 movably arranged in the shell 1 and having a vertical movement function, a central shaft 4 vertically and rotatably inserted in the lifting ring 14 and capable of moving up and down along with the lifting ring 14, a rocking handle 7 fixed at the upper end of the central shaft 4 and positioned above the shell 1, and an inner cutter disc 5 fixed at the lower end of the central shaft 4 and concentrically arranged inside the outer cutter disc 3; an adjusting ring 6 is arranged above the shell 1, correspondingly, a lifting ring 14 is arranged at the top of the shell 1, the adjusting ring 6 is sleeved with a screw joint outside the lifting ring 14, a top cover 8 is also fixed at the opening of the upper end of the adjusting ring 6, and the upper end of a center shaft 4 upwards passes through the top cover 8 and extends out of the top cover 8; the inner side edge of the top opening of the shell 1 is upwards provided with a limit ring 101, correspondingly, the inner wall of the lower end opening of the adjusting ring 6 is provided with a first annular limit cavity 61, the first annular limit cavity 61 is concentrically sleeved outside the limit ring 101, the outer circumferential surface of the limit ring 101 is provided with a plurality of limit holes 102 uniformly arranged along the circumferential direction at equal angles, each limit hole 102 is also internally provided with a jacking device 10, and the jacking device 10 comprises a pin shaft 1001 movably arranged inside the opening at the outer end of the limit hole 102, a jackscrew 1003 detachably fixed inside the opening at the inner end of the limit hole 102 and a spring 1002 which is arranged between the pin shaft 1001 and the jackscrew 1003 and is always in a compressed state; the outer end of the pin 1001 extends out of the limit hole 102 and is propped against the inner wall of the first annular limit cavity 61; the top of casing 1 still inlays and is equipped with two vertical reference columns 9 that distribute, and two reference columns 9 each other are the setting of diagonal angle in the periphery of spacing collar 101, and the upper end of every reference column 9 all upwards is formed with a hemisphere head 91, and a plurality of hemisphere cavitys 62 that evenly set up along circumferencial direction equi angle are offered to the lower extreme of adjusting ring 6, and the quantity of hemisphere cavity 62 is even, and hemisphere head 91 on two reference columns 9 imbeds respectively in arbitrary two hemisphere cavitys 62 that each other are the diagonal angle setting.

The upper end opening part inner wall of the adjusting ring 6 is provided with a second annular limiting cavity 63, the top cover 8 is detachably fixed in the second annular limiting cavity 63, a cap 11 is further arranged above the top cover 8, and the cap 11 is rotatably connected to the top of the top cover 8.

The inside of the cap 11 is also embedded with a core sleeve 12, the lower end of the core sleeve 12 is detachably sleeved at the upper end of the center shaft 4, one side of the cap 11 is provided with a notch 111, and the root of the rocking handle 7 transversely passes through the notch 111 and is inserted and fixed in the core column 12.

The inside of the adjusting ring 6 is also embedded with a bearing 13, and the bearing 13 is sleeved on the middle shaft 4.

The inner edge of each hemispherical cavity 62 intersects and communicates with the inner wall of the first annular restraining cavity 61.

The using method comprises the following steps:

removing the top cover 8 from the upper end of the adjusting ring 6, removing the cap 11, the core sleeve 12 and the rocking handle 7 which are positioned above the top cover 8 together, then filling coffee beans into the shell 1 by utilizing a hollow structure in the adjusting ring 6, then falling between the outer cutter head 3 and the inner cutter head 5, and then filling the top cover 8 together with the cap 11, the core sleeve 12 and the rocking handle 7 back onto the adjusting ring 6; then, as long as the rocking handle 7 is held by a hand and rotated, the cap 11 and the center shaft 4 can be driven to rotate by the core sleeve 12, and the inner cutter 5 is driven to rotate in the outer cutter 3, so that the coffee beans are ground into powder by utilizing the mutual cooperation between the outer cutter 3 and the inner cutter 5 (in the prior art).

When the fineness of the coffee powder is to be regulated, the regulating ring 6 can be held by a hand and rotated, and then the lifting ring 14 is driven to move upwards or downwards by virtue of the threaded connection relation between the regulating ring and the lifting ring 14, and the middle shaft 4 and the lifting ring 14 can relatively rotate and can move up and down along with the lifting ring 14, so that the movement of the lifting ring 14 can drive the middle shaft 4 to synchronously move up and down, and the size of a gap between the outer wall of the inner cutter disc 5 and the inner wall of the outer cutter disc 3 is regulated by virtue of the middle shaft 4, so that the fineness of the coffee powder is regulated.

When the adjusting ring 6 rotates, when the adjusting ring 6 rotates for a certain angle, the semispherical heads 91 on the two positioning columns 9 come out of the two semispherical concave cavities 62 which are arranged diagonally in the past and are immediately embedded into the other two semispherical concave cavities 62 which are arranged diagonally in each other respectively, so that the effective limiting effect is achieved and the adjusting precision is thinned; meanwhile, the outer end of the pin shaft 1001 in each propping device 10 is propped against the inner wall of the first annular limiting cavity 61, so that the adjusting ring 6 has a certain damping effect to improve the use experience.

According to the utility model, the adjusting ring 6 and the lifting ring 14 for adjusting the gap between the outer wall of the inner cutter disc 5 and the inner wall of the outer cutter disc 3 are arranged at the top of the shell 1, the middle shaft 4 can be driven to move up and down by the lifting ring 14 which is in threaded connection with the adjusting ring 6 during adjustment so as to adjust the gap between the outer wall of the inner cutter disc 5 and the inner wall of the outer cutter disc 3, the adjusting ring 6 can not move up and down during rotation so as to improve the comfort of use and the experience of operation, the fineness of adjustment is greatly improved, the adjusting ring 6 has better positioning effect and damping effect during rotation, and the appearance and grade of the hand bean grinder are further improved.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; while the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art will appreciate that modifications may be made to the techniques described in the foregoing embodiments, or that certain features may be substituted for those illustrated therein; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The hand-operated bean grinder comprises a shell, a cover body detachably fixed at the bottom opening of the shell, an outer cutter disc embedded and fixed inside the bottom opening of the shell, a lifting ring movably arranged in the shell and having an up-and-down movement function, a central shaft vertically and rotatably penetrating and arranged in the lifting ring and capable of moving up and down along with the lifting ring, a rocking handle fixed at the upper end of the central shaft and positioned above the shell, and an inner cutter disc fixed at the lower end of the central shaft and concentrically arranged inside the outer cutter disc, and is characterized in that an adjusting ring is further arranged above the shell, correspondingly, the lifting ring is arranged at the top of the shell, the adjusting ring is sleeved and connected outside the lifting ring in a threaded manner, a top cover is further fixed at the opening of the upper end of the adjusting ring, and the upper end of the central shaft upwards penetrates through the top cover and stretches out of the top cover; the inner side edge of the top opening of the shell is upwards provided with a limit ring, correspondingly, the inner wall of the opening of the lower end of the adjusting ring is provided with a first annular limit cavity, the first annular limit cavity is concentrically sleeved outside the limit ring, the outer circumferential surface of the limit ring is provided with a plurality of limit holes uniformly arranged along the circumferential direction at equal angles, each limit hole is also internally provided with a jacking device, and each jacking device comprises a pin roll movably arranged inside the opening of the outer end of the limit hole, a jackscrew detachably fixed inside the opening of the inner end of the limit hole and a spring which is arranged between the pin roll and the jackscrew and is always in a compressed state; the outer end of the pin shaft extends outwards to the outside of the limiting hole and is propped against the inner wall of the first annular limiting cavity; the top of casing still inlays and is equipped with two vertical reference columns that distribute, two the reference column each other is the setting of diagonal angle in the periphery of spacing collar, every the upper end of reference column all upwards is formed with a hemisphere head, a plurality of hemisphere cavitys that evenly set up along circumferencial direction equi angle are seted up to the lower extreme of adjusting ring, the quantity of hemisphere cavity is even, two hemisphere head on the reference column imbeds respectively in arbitrary two hemisphere cavitys that each other are the diagonal setting.

2. The hand-operated bean grinder according to claim 1, wherein the inner wall of the opening at the upper end of the adjusting ring is provided with a second annular limiting cavity, the top cover is detachably fixed in the second annular limiting cavity, a cap is further arranged above the top cover, and the cap is rotatably connected to the top of the top cover.

3. The hand-operated bean grinder according to claim 2, wherein a core sleeve is further embedded in the cap, the lower end of the core sleeve is detachably sleeved at the upper end of the central shaft, a notch is formed in one side of the cap, and the root of the rocking handle transversely penetrates through the notch and is inserted and fixed in the core column.

4. The hand-operated bean grinder of claim 1, wherein a bearing is further embedded in the adjusting ring, and the bearing is sleeved on the central shaft.

5. A hand operated bean grinder as set forth in claim 1 wherein the inner edge of each of said hemispherical cavities intersects and communicates with the inner wall of the first annular restraining cavity.