CN215838514U - Top is adjusted hand mill beans machine of crocus thickness - Google Patents

Abstract

The utility model provides a hand-operated bean grinder capable of adjusting ground powder thickness at the top, relates to the technical field of kitchen utensils, and solves the problem that the thickness cannot be adjusted without dismantling the bean grinder. The grinding cup body is vertically communicated, the frame body and the grinding ring are fixed on the inner side of the grinding cup body, the grinding core with the smaller upper outer diameter and the larger lower outer diameter is movably arranged on the inner side of the grinding ring, and a grinding gap with the larger upper diameter and the smaller lower diameter is formed between the grinding core and the grinding ring; the driving assembly is arranged on the inner side of the grinding cup body, can move up and down and is rotatably connected to the frame body, the bottom of the driving assembly is fixedly connected with the grinding core, and the top of the driving assembly extends out of the inner side of the grinding cup body from the top of the grinding cup body; the top and the bottom of the main spring are respectively connected with the bottom of the frame body and the top of the grinding core; the connector bottom activity butt in support body top, adjust knob activity butt in connector top, the interior tooth hole at drive assembly top and the outer tooth axle spiro union of adjust knob bottom. The utility model can simply and quickly adjust the thickness from the outside without dismantling the bean grinder.

Description

Top is adjusted hand mill beans machine of crocus thickness

Technical Field

The utility model relates to the technical field of kitchen utensils, in particular to a hand-operated bean grinding machine with the top for adjusting the ground powder thickness.

Background

The existing bean grinder is very inconvenient to grinding fineness adjustment, the structure for adjusting the fineness is directly connected with the grinding core, the bean grinder needs to be disassembled to stretch hands into the shell to complete adjustment when adjustment is carried out, and the bean grinder with the structure can not carry out simple and quick fineness adjustment in the grinding process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to design a hand-operated bean grinding machine with the top for adjusting the ground powder thickness, which can simply and quickly adjust the thickness from the outside without dismantling the bean grinding machine.

The utility model is realized by the following technical scheme:

a hand-operated bean grinder with the top for adjusting the fineness of ground powder comprises a grinding cup body, a grinding ring, a grinding core, a driving assembly, an adjusting knob, a main spring, a frame body and a connector;

the grinding cup body is vertically communicated, and the frame body is fixed on the inner side of the grinding cup body; the grinding ring is fixed on the inner side of the grinding cup body, the outer diameter of the grinding core is small at the top and large at the bottom, the grinding core is movably arranged on the inner side of the grinding ring, and a grinding gap with a large top and a small bottom is formed between the grinding core and the grinding ring; the grinding cup body is arranged on the inner side of the grinding cup body, the driving assembly can move up and down and can be rotatably connected to the frame body, the bottom of the driving assembly is fixedly connected with the grinding core, and the top of the driving assembly extends out of the inner side of the grinding cup body from the top of the grinding cup body; the top and the bottom of the main spring are respectively connected with the bottom of the frame body and the top of the grinding core; the bottom movable butt of connector in the support body top, adjust knob movable butt in the top of connector, the interior tooth hole at drive assembly's top with the outer tooth axle spiro union of adjust knob bottom.

When the structure is arranged, the distance from the top to the bottom of the main spring provides a space for the vertical movement of the driving component, the bottom and the top of the connector are respectively abutted against the top of a frame body fixed in the grinding cup body and the bottom of an adjusting knob positioned outside the grinding cup body, meanwhile, an outer tooth shaft of the adjusting knob is in threaded connection with an inner tooth hole at the top of the driving component, the up-and-down movement of the driving component can be adjusted by rotating the adjusting knob so as to change the distance between the top of the grinding core and the bottom of the frame body, the upper part and the lower part of the outer diameter of the grinding core are large, the size of a grinding gap between the grinding core and the grinding ring can be changed when the driving component is adjusted, the purpose that the grinding machine is not detached and the grinding thickness is adjusted from the outside of the grinding cup body is achieved, the grinding thickness can be simply and quickly adjusted from the outside, and the grinding thickness adjustment can be carried out in the grinding process.

In order to further better implement the utility model, the following arrangement structure is particularly adopted: the driving assembly comprises a rotating shaft and a hand rocker; the rotating shaft is movably inserted into the shaft hole of the frame body, the rotating shaft and the grinding core are coaxially arranged and fixedly connected, and the inner tooth hole arranged on the shaft head at the top of the rotating shaft is in threaded connection with the outer tooth shaft at the bottom of the adjusting knob; the hand rocker is fixedly connected with the connector.

In order to further better implement the utility model, the following arrangement structure is particularly adopted: the bottom of the rotating shaft penetrates through the grinding core, and the bottom of the rotating shaft is detachably connected with a grinding core fixing disc; the top surface of the grinding core fixing disc is provided with an upwards-protruding positioning column, the bottom surface of the grinding core is provided with a positioning groove, the grinding core seat is arranged on the top surface of the grinding core fixing disc, and the positioning column is inserted into the positioning groove.

In order to further better implement the utility model, the following arrangement structure is particularly adopted: the end part of the hand-operated rod is provided with a rotatable ball head handle.

In order to further better implement the utility model, the following arrangement structure is particularly adopted: the rotating shaft is movably connected in the shaft hole of the frame body through a bearing; the connector movable sleeve is arranged on the rotating shaft, the bottom of the connector is connected with a lower convex ring wall, and the ring wall extends into the shaft hole of the frame body and is abutted against the inner ring of the bearing.

When the structure is adopted, the ring wall extends into the shaft hole of the frame body and is abutted against the inner ring of the bearing, so that the resistance can be reduced in the rotating process. The ring wall also plays a supporting role when abutting against the inner ring of the bearing, and the ring wall is used as a supporting surface to pull the rotating shaft to move upwards when the adjusting knob is rotated and adjusted.

In order to further better implement the utility model, the following arrangement structure is particularly adopted: the outer diameter of the top shaft head of the rotating shaft is larger than the inner diameter of the inner ring of the bearing.

When the structure is adopted, the rotating shaft can not be communicated with the grinding core to fall down after the adjusting knob is detached.

In order to further better implement the utility model, the following arrangement structure is particularly adopted: the manual bean grinding machine with the top for adjusting the ground powder thickness further comprises a gland arranged on the top surface of the hand-operated rod, and the gland is detachably connected to the connector through a screw; the gland with the hand rocker all is provided with the via hole, adjust knob outer tooth axle passes two the via hole with pivot top spindle nose sets up interior tooth hole spiro union.

In order to further better implement the utility model, the following arrangement structure is particularly adopted: the top end of the connector is provided with a plurality of spring grooves which are sequentially arranged around the outer tooth shaft of the adjusting knob, and the gland is provided with through holes which are in one-to-one correspondence with the spring grooves; a small spring and a steel ball are arranged in the spring groove, the steel ball is connected to the top end of the small spring, the inner diameter of the through hole is smaller than the outer diameter of the steel ball, and the steel ball partially protrudes out of the through hole and abuts against the bottom of a rotary disc of the adjusting knob; the bottom of the rotary disc of the adjusting knob is provided with a plurality of grooves which are distributed along the circumferential direction.

When the structure is arranged, the groove at the bottom of the turntable of the adjusting knob and the steel ball act to generate feedback sound and clamping hand feeling in the rotating process of the adjusting knob, and a prompt effect is achieved.

In order to further better implement the utility model, the following arrangement structure is particularly adopted: the frame body is detachably connected with the grinding cup body.

In order to further better implement the utility model, the following arrangement structure is particularly adopted: the manual bean grinder of crocus thickness is adjusted at top still includes the powder cup, powder cup top cover is equipped with the sealing washer, the powder cup is inserted and is located grind the cup inboard and with the connection can be dismantled to the grinding cup, the sealing washer with the inner wall contact of grinding the cup.

Further: the frame body comprises a cup opening frame, an upper support, an upper retainer, a lower support, a lower retainer and a cup bottom frame which are vertically communicated and detachably arranged on the inner side of the grinding cup body, and the lower retainer, the lower support, the upper retainer, the upper support and the cup opening frame are sequentially arranged from bottom to bottom and are sequentially abutted;

the cup frame is detachably connected to the top of the grinding cup body, the cup bottom frame is detachably connected to the bottom of the grinding cup body, and the bottom and the top of the grinding ring are respectively abutted to the top of the cup bottom frame and the bottom of the lower retainer.

Further: the inner wall of the grinding cup body is provided with a plurality of grooves or raised bone positions, and the upper support, the upper retainer, the lower support and the outer wall of the lower retainer are provided with bone positions or grooves matched with the bone positions or grooves arranged on the inner wall of the grinding cup body to realize limiting and rotation stopping connection.

Further, the bottom of the lower retainer is in rotation-stopping connection with the top of the grinding ring.

The utility model has the following advantages and beneficial effects:

according to the grinding cup, the distance from the top to the bottom of the main spring provides a space for the driving assembly to move up and down, the bottom and the top of the connector are respectively abutted against the top of a frame body fixed in the grinding cup body and the bottom of the adjusting knob located outside the grinding cup body, meanwhile, the outer tooth shaft of the adjusting knob is in threaded connection with the inner tooth hole in the top of the driving assembly, the driving assembly can be adjusted to move up and down to change the distance between the top of the grinding core and the bottom of the frame body by rotating the adjusting knob, the size of a grinding gap between the grinding core and the grinding ring can be changed while the driving assembly is adjusted, the purpose of adjusting the grinding fineness from the outside of the grinding cup body without dismantling a grinding machine is achieved, the grinding fineness can be adjusted simply and quickly from the outside, and the grinding fineness can be adjusted in the grinding process.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the external structure of a hand-operated bean grinder;

FIG. 2 is a schematic view of the internal structure of one side of the hand-operated bean grinder;

FIG. 3 is another schematic view of the internal structure of the hand-operated bean grinder;

FIG. 4 is a schematic top view of the hand-operated bean grinder with the adjustment knob removed;

FIG. 5 is a schematic view of the adjustment knob;

FIG. 6 is a schematic structural diagram of the connecting head;

FIG. 7 is a schematic structural view of a powder cup;

labeled as:

1. grinding the cup body; 2. grinding a ring; 3. grinding the core;

41. a rotating shaft; 42. a hand lever; 43. a grinding core fixing disc; 431. a positioning column; 44. a ball head handle;

5. adjusting a knob; 51. a groove;

6. a main spring;

7. a connector; 71. a ring wall; 72. a gland; 73. a screw; 74. a small spring; 75. steel balls;

81. a cup holder; 82. an upper bracket; 83. an upper retainer; 84. a lower bracket; 85. a lower retainer; 86. a cup chassis;

9. a powder cup; 91. and (5) sealing rings.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.

Example 1:

a manual bean grinder for adjusting ground powder thickness at the top can simply and quickly adjust the thickness from the outside without dismantling the bean grinder, as shown in figures 1, 2, 3, 4, 5, 6 and 7, the manual bean grinder is particularly arranged in the following structure:

this kind of manual mill beans machine of crocus thickness is adjusted at top is including grinding cup 1, grinding ring 2, grinding core 3, drive assembly, adjust knob 5, main spring 6, support body and connector 7. The adjusting knob 5 comprises a turntable which is horizontally arranged and an outer tooth shaft which is vertically arranged and connected with the bottom of the turntable.

Grinding cup 1 is the drum that link up from top to bottom, and grinding ring 2, abrasive core 3, drive assembly, adjust knob 5, main spring 6, support body and connector 7 set up with grinding cup 1 is coaxial to can drive abrasive core 3 and do rotary motion around the axis of grinding cup 1 when making operation drive assembly. The frame body is fixed on the inner side of the grinding cup body 1 and is provided with a shaft hole which is coaxial with the grinding cup body 1 and is communicated up and down. Grinding ring 2 sets up in grinding cup 1 inboard and fixed with the support body, grinding ring 2 is roughly the little annular structure of external diameter variation from top to bottom, grinding core 3 is the great similar toper structure of external diameter variation from top to bottom, the mode setting of big end down more than 3 grinding cores, 3 cartridge grinding cores are in grinding ring 2 inboard and can move about from top to bottom or gyration activity, form big end down's grinding clearance between grinding core 3 and the grinding ring 2, can change the size of grinding clearance through grinding core 3 in the ascending removal of axial.

The driving assembly includes a rotating shaft 41 and a hand lever 42. The rotating shaft 41 is vertically arranged and integrally and movably inserted into the shaft hole of the frame body, the rotating shaft 41 and the shaft hole are supported by the bearing, the rotating shaft 41 and the frame body can rotate relatively, and the rotating shaft 41 and the bearing inner ring are in clearance fit to move up and down. The bottom of the rotating shaft 41 is screwed with a horizontally arranged round grinding core fixing disc 43, the top surface of the grinding core fixing disc 43 is provided with a plurality of protruding positioning columns 431, and all the positioning columns 431 are uniformly distributed along the circumferential direction. The rotating shaft 41 is inserted into the grinding core 3 in a penetrating manner, the grinding core 3 is seated on the top surface of the grinding core fixing disc 43, a plurality of positioning grooves which are aligned with the positioning columns 431 one by one are formed in the bottom surface of the grinding core 3, and the positioning columns 431 are inserted into the positioning grooves to realize rotation stopping fixed connection.

The connecting head 7 is provided with a shaft hole which is through up and down, the connecting head 7 is integrally movably sleeved on the top shaft head of the rotating shaft 41, the top of the connecting head 7 extends out of the grinding cup body 1, the bottom of the connecting head 7 is connected with a downward convex ring wall 71, wherein the ring wall 71 and the connecting head 7 can be integrated structural members, the ring wall 71 and the connecting head 7 can also be two independent parts, the bottom of the connecting head 7 is provided with an annular groove, the top of the ring wall 71 is detachably embedded into the annular groove at the bottom of the connecting head 7, and the connecting head 7 is integrally abutted to the top of the ring wall 71. The ring wall 71 extends into the shaft hole of the frame body and is directly or indirectly abutted against the top of the inner ring of the bearing so as to enable the connector 7 and the frame body to rotate relatively. The rotary disc of the adjusting knob 5 is movably abutted against the top of the connector 7, an inner tooth hole is formed in the top shaft head of the rotating shaft 41, and an outer tooth shaft at the bottom of the adjusting knob 5 extends into the inner tooth hole and is in threaded connection with the inner tooth hole. The hand-operated rod 42 is a bent rod, the whole body is horizontally arranged and arranged outside the grinding cup body 1, one end of the hand-operated rod 42 is fixedly connected with the connector 7, and the end part of the other end of the hand-operated rod 42 is connected with a rotatable ball head handle 44.

The main spring 6 is a compression spring, and the top and the bottom of the main spring are respectively connected with the bottom of the frame body and the top of the grinding core 3.

The top of main spring 6 provides the space of drive assembly activity from top to bottom to the distance of bottom, the bottom of connector 7 and the bottom that the top butt is being fixed in the support body top in grinding cup 1 and is being located grinding cup 1 outside adjust knob 5 respectively, adjust knob 5's outer tooth axle and the interior tooth hole spiro union at drive assembly top simultaneously, can adjust reciprocating of drive assembly in order to change the interval of 3 tops of abrasive core from the support body bottom through rotatory adjust knob 5, because the external diameter of abrasive core 3 is big-end-up, then can change abrasive core 3 and grinding ring 2's grinding clearance size when adjusting drive assembly, reach and do not demolish the grinder and follow the mesh of 1 outside regulation grinding thickness of grinding cup, can simply adjust grinding thickness from the outside fast, and can grind thickness regulation at the grinding in-process. The ring wall 71 extends into the shaft hole of the frame body and is abutted against the inner ring of the bearing, so that the resistance can be reduced in the rotating process. The ring wall 71 also serves as a support when it abuts against the inner ring of the bearing, and pulls the rotating shaft 41 upward as a support surface when the adjustment knob 5 is rotationally adjusted.

Example 2:

the embodiment is further optimized on the basis of the above embodiment, and in order to further better implement the utility model, the following arrangement structure is particularly adopted:

in this embodiment, the two opposite sides of the top spindle nose of the rotating shaft 41 in the radial direction are partially cut to form a waist-shaped square head, and the outer diameter of the top spindle nose is larger than the inner diameter of the inner ring of the bearing, so that the rotating shaft 41 cannot be communicated with the grinding core 3 to fall down after the adjusting knob 5 is removed.

Example 3:

the embodiment is further optimized on the basis of the above embodiment, and in order to further better implement the utility model, the following arrangement structure is particularly adopted:

this kind of hand mill beans machine of crocus thickness is adjusted at top is provided with gland 72. The gland 72 is horizontally arranged and detachably connected to the top of the connector 7 through a plurality of vertically arranged screws 73, a gap for penetrating the hand-operated lever 42 is formed between the gland 72 and the connector 7, the screws 73 simultaneously penetrate through the hand-operated lever 42 to limit the circumference of the hand-operated lever, and the gland 72 is tightly pressed on the top surface of the hand-operated lever 42 through the screws 73. The outer threaded shaft of the adjusting knob 5 passes through the through hole in the middle of the pressure cover 72 and the through hole of the hand lever 42 and then extends into the inner threaded hole arranged on the top shaft head of the rotating shaft 41 and is in threaded connection with the inner threaded hole.

The top of connector 7 is provided with a plurality of vertical spring grooves, and the spring groove sets gradually and the equipartition around adjust knob 5's outer tooth axle, and gland 72 is provided with the through-hole with spring groove one-to-one, and the spring inslot is provided with little spring 74 and steel ball 75, and steel ball 75 is located the top of little spring 74, and the internal diameter of through-hole is less than steel ball 75 external diameter, makes steel ball 75 can partially stand out outside the through-hole and offset with adjust knob 5's carousel bottom under the direct action of little spring 74. The bottom of the turntable of the adjusting knob 5 is provided with a plurality of grooves 51 which are uniformly distributed along the circumferential direction. The groove 51 at the bottom of the turntable of the adjusting knob 5 and the steel ball 75 can generate feedback sound and clamping hand feeling in the rotating process of the adjusting knob 5, and the prompting effect is achieved.

Example 4:

the embodiment is further optimized on the basis of the above embodiment, and in order to further better implement the utility model, the following arrangement structure is particularly adopted:

the frame body is detachably connected to the inner side of the grinding cup body 1.

Specifically, the holder body comprises a cup mouth holder 81, an upper holder 82, an upper holder 83, a lower holder 84, a lower holder 85 and a cup bottom holder 86 which are vertically penetrated and detachably arranged on the inner side of the grinding cup body 1. The lower holder 85, the lower holder 84, the upper holder 83, the upper holder 82, and the cup rim holder 81 are sequentially provided from below and abut against each other in this order. The cup holder 81 is screwed with the top of the grinding cup body 1, and the cup bottom frame 86 is screwed with the bottom of the grinding cup body 1 as an upper limit and a lower limit. The rotating shaft 41 passes through the shaft holes of the upper bracket 82 and the lower bracket 84 and is connected with the corresponding shaft hole through a bearing. The bottom and top of the grinding ring 2 abut the top of the cup chassis 86 and the bottom of the lower holder 85, respectively. The inner wall of the grinding cup body 1 is provided with a plurality of vertically extending grooves or raised bone positions, and the outer walls of the upper bracket 82, the upper retainer 83, the lower bracket 84 and the lower retainer 85 are all provided with bone positions or grooves matched with the bone positions or grooves arranged on the inner wall of the grinding cup body 1 to realize limiting and rotation stopping connection. The bottom of the lower retainer 85 is in rotation-stopping connection with the top of the grinding ring 2 through a clamping structure.

The frame body under this kind of structure can be in proper order from grinding cup 1 and all pull down, can carry out the thorough cleaning to grinding the beans machine, can realize the change to every part simultaneously.

Example 5:

the embodiment is further optimized on the basis of the above embodiment, and in order to further better implement the utility model, the following arrangement structure is particularly adopted:

the hand-operated bean grinder of crocus thickness is adjusted at top in this embodiment still includes a powder cup 9, and powder cup 9 top cover is equipped with sealing washer 91, and powder cup 9 inserts and locates to grind the cup 1 inboard and can dismantle with grinding cup 1 and be connected, and sealing washer 91 realizes sealedly with the inner wall contact of grinding cup 1.

When the adjusting knob 5 is rotated, the rotating shaft 41 can move upwards or downwards to change the size of the grinding gap between the grinding core 3 and the grinding ring 2, so that the purpose of adjusting the thickness from the outside without disassembling the equipment is achieved, and the operation is convenient and fast.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention.

Claims (10)

1. The utility model provides a manual mill beans machine of crocus thickness is adjusted at top which characterized in that: comprises a grinding cup body (1), a grinding ring (2), a grinding core (3), a driving component, an adjusting knob (5), a main spring (6), a frame body and a connector (7);

the grinding cup body (1) is vertically communicated, and the frame body is fixed on the inner side of the grinding cup body (1);

the grinding ring (2) is fixed on the inner side of the grinding cup body (1), the outer diameter of the grinding core (3) is small at the top and large at the bottom, the grinding core (3) is movably arranged on the inner side of the grinding ring (2), and a grinding gap with the large top and the small bottom is formed between the grinding core (3) and the grinding ring (2);

the driving assembly is arranged on the inner side of the grinding cup body (1), the driving assembly can move up and down and can be rotatably connected to the frame body, the bottom of the driving assembly is fixedly connected with the grinding core (3), and the top of the driving assembly extends out of the inner side of the grinding cup body (1) from the top of the grinding cup body (1);

the top and the bottom of the main spring (6) are respectively connected with the bottom of the frame body and the top of the grinding core (3);

the bottom activity butt of connector (7) in the support body top, adjust knob (5) activity butt in the top of connector (7), the interior tooth hole at drive assembly's top with the outer tooth axle spiro union of adjust knob (5) bottom.

2. The hand-operated bean grinder capable of adjusting the ground powder thickness at the top as claimed in claim 1, wherein: the driving assembly comprises a rotating shaft (41) and a hand lever (42);

the rotating shaft (41) is movably inserted into the shaft hole of the frame body, the rotating shaft (41) and the grinding core (3) are coaxially arranged and fixedly connected, and the inner tooth hole arranged on the top shaft head of the rotating shaft (41) is in threaded connection with the outer tooth shaft at the bottom of the adjusting knob (5); hand rocker (42) fixed connection connector (7).

3. The hand-operated bean grinder capable of adjusting the thickness of ground beans at the top as claimed in claim 2, wherein: the bottom of the rotating shaft (41) penetrates through the grinding core (3), and the bottom of the rotating shaft (41) is detachably connected with a grinding core fixing disc (43); the top surface of mill core fixed disk (43) is provided with reference column (431) of epirelief, the bottom surface of mill core (3) is provided with the constant head tank, mill core (3) seat in mill core fixed disk (43) top surface, reference column (431) are inserted and are located in the constant head tank.

4. The hand-operated bean grinder capable of adjusting the thickness of ground beans at the top as claimed in claim 2, wherein: the end part of the hand lever (42) is provided with a rotatable ball head handle (44).

5. The hand-operated bean grinder capable of adjusting the thickness of ground beans at the top as claimed in claim 2, wherein: the rotating shaft (41) is movably connected in the shaft hole of the frame body through a bearing; the connecting head (7) is movably sleeved on the rotating shaft (41), the bottom of the connecting head (7) is connected with a lower convex ring wall (71), and the ring wall (71) extends into the shaft hole of the frame body and is abutted to the inner ring of the bearing.

6. The hand-operated bean grinder capable of adjusting the ground powder thickness at the top as claimed in claim 5, wherein: the outer diameter of the top shaft head of the rotating shaft (41) is larger than the inner diameter of the inner ring of the bearing.

7. The hand-operated bean grinder capable of adjusting the thickness of ground beans at the top as claimed in claim 2, wherein: the device also comprises a gland (72) arranged on the top surface of the hand lever (42), and the gland (72) is detachably connected to the connector (7) through a screw (73); gland (72) with hand rocker (42) all is provided with the via hole, adjust knob (5) outer tooth axle passes two the via hole with pivot (41) top spindle nose sets up interior tooth hole spiro union.

8. The hand-operated bean grinder with top-adjusted grinding thickness as claimed in claim 7, characterized in that: the top end of the connector (7) is provided with a plurality of spring grooves which are sequentially arranged around the outer tooth shaft of the adjusting knob (5), and the gland (72) is provided with through holes which are in one-to-one correspondence with the spring grooves; a small spring (74) and a steel ball (75) are arranged in the spring groove, the steel ball (75) is connected to the top end of the small spring (74), the inner diameter of the through hole is smaller than the outer diameter of the steel ball (75), and part of the steel ball (75) protrudes out of the through hole and is abutted against the bottom of a turntable of the adjusting knob (5);

the bottom of the rotary disc of the adjusting knob (5) is provided with a plurality of grooves (51) which are distributed along the circumferential direction.

9. The hand-operated bean grinder capable of adjusting the ground powder thickness at the top as claimed in claim 1, wherein: the frame body is detachably connected with the grinding cup body (1).

10. A hand-operated bean grinder with top-adjustable ground powder thickness as claimed in any one of claims 1 to 9, wherein: the grinding cup is characterized by further comprising a powder cup (9), a sealing ring (91) is sleeved at the top of the powder cup (9), the powder cup (9) is inserted into the inner side of the grinding cup body (1) and detachably connected with the grinding cup body (1), and the sealing ring (91) is in contact with the inner wall of the grinding cup body (1).

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