CN117770668A - Grinder - Google Patents

Abstract

The disclosure provides a grinder, which relates to the technical field of grinding and comprises a storage bin, and a grinding wheel and a grinding seat which are arranged in the storage bin; the grinding seat is provided with a grinding seat adjusting mechanism, the grinding seat adjusting mechanism comprises a grinding seat adjusting ring, a fixed ring, a rotating ring and a guide ring, the rotating ring is movably connected with the fixed ring through threads, the guide ring is movably connected with the rotating ring through threads, the grinding seat is arranged on the guide ring, and the grinding seat adjusting ring converts rotary motion into linear motion through threads, so that the adjustment degree of the grinding seat is fine; the utility model discloses a mill wheel, including the feed bin, be provided with the mill wheel adjustment mechanism on the mill wheel, mill wheel adjustment mechanism includes mill wheel adjusting ring, center pin, be provided with the center post in the feed bin, be provided with the centre bore on the center post, the center pin sets up in the centre bore, and the lower extreme and the mill wheel of center pin are connected, and the mill wheel adjusting ring passes through screw thread and the top swing joint of center post, rotates mill wheel adjusting ring and can drive the center pin and follow axial displacement, and mill wheel adjustment is very convenient and degree of adjustment is slight.

Description

Grinder

Technical Field

The present disclosure relates to the field of grinding technology, and more particularly to a grinder.

Background

Along with the development of society and the improvement of the living standard of people, more and more people pursue high-quality life, and coffee is gradually a common beverage in daily life, wherein, hand-ground coffee is favored by people because of mellow and aromatic taste, when the hand-ground coffee is manufactured, the coffee beans are firstly ground into powder by a grinder, and the different thickness degrees of the ground coffee beans affect the taste of the coffee after brewing.

At present, the grinder on the market can generally realize the regulation to coffee bean grinding thickness through the clearance between adjustment grinding seat and the grinding wheel to can adjust grinding seat and grinding wheel respectively, but among the prior art, the adjustment part of grinding wheel sets up in the below of feed bin generally, set up the position at the bean flour export side promptly, therefore, the user wants to adjust the interval of grinding wheel, need take off the powder storehouse, just can adjust the grinding wheel, this makes the regulation very inconvenient, firstly, it is located the position of bean flour export, very easily make adjustment part be stained with the bean flour, not only be sanitary inadequately, still influence the use impression, secondly, when the user wants to readjust the interval of grinding wheel in the en route of grinding, still need take off the powder storehouse, seriously influence user's experience impression. In addition, in the prior art, the adjustment of the grinding seat is generally in a stepped adjustment mode, namely, the adjustment mode is polar, so that fine adjustment cannot be performed, the grinding thickness degree of the bean powder is limited, and a user cannot obtain the bean powder with richer thickness degree.

The disclosure of CN113208462B provides a bean grinding device, which comprises a base in which a grinding seat is disposed, a grinding seat adjusting component and a grinding wheel adjusting component, wherein the grinding seat adjusting component comprises an adjusting ring, at least one pushing component and at least one first elastic component, the adjusting ring has at least one continuous step structure against which the pushing component is pressed, the grinding seat adjusting component determines the position of the grinding seat relative to the grinding wheel based on the position of the pushing component against the continuous step structure, the grinding wheel adjusting component comprises a transmission rod for driving the grinding wheel to rotate radially and a supporting component arranged on the transmission rod and supporting the grinding wheel, the transmission rod forms a first thread, the supporting component forms a second thread matched with the first thread, and the grinding wheel adjusting component determines the position of the grinding wheel relative to the grinding seat based on the position of the supporting component on the transmission rod. In the disclosure, the grinding seat adjusting component is used for performing coarse adjustment of the position between the grinding seat and the grinding wheel, the grinding wheel adjusting component is used for performing fine adjustment of the position between the grinding seat and the grinding wheel, the continuous step structure in the grinding seat adjusting component enables adjustment of the grinding seat to be polar adjustment, namely, adjustment of the grinding seat spacing is limited by the order of the continuous step structure, so that finer adjustment cannot be realized by the grinding seat adjusting component; in addition, in this disclosure, the adjustment of the grinding wheel requires removal of the powder bin before adjustment, which is very inconvenient.

Disclosure of Invention

This disclosure is to among the prior art, and the adjustment mode of grinder is not enough convenient and the degree of regulation is not fine enough problem, provides a grinder, and it can finely tune the seat of grinding, and the regulation of grinding the wheel need not to take off the powder storehouse, adjusts more convenient, fine and smooth.

The technical scheme adopted for solving the technical problems is as follows:

a grinder comprises a feed bin, a grinding wheel and a grinding seat which are arranged in the feed bin; the grinding wheel is provided with a grinding wheel adjusting mechanism, an adjusting part of the grinding wheel adjusting mechanism is located at a feed inlet of the storage bin, the grinding seat is provided with a grinding seat adjusting mechanism, and the grinding seat adjusting mechanism is located at a discharge outlet of the storage bin.

In some embodiments, the rolling seat adjusting mechanism comprises a rolling seat adjusting ring, a fixed ring, a rotating ring and a guide ring, wherein the rotating ring is movably connected with the fixed ring through threads, the guide ring is movably connected with the rotating ring through threads, a guide piece for enabling the guide ring to axially move along the guide ring is arranged on the fixed ring, an upper limit part and a lower limit ring are arranged on the guide ring, the rolling seat is limited between the upper limit part and the lower limit ring, the rolling seat adjusting ring is connected with the rotating ring, and when the rolling seat adjusting ring rotates, the rotating ring is driven to rotate, and then the guide ring is driven to axially move, so that the rolling seat is driven to axially move;

in some embodiments, the wheel adjusting mechanism comprises a wheel adjusting ring and a central shaft, a central column is arranged in the storage bin, a central hole is formed in the central column, the central shaft is arranged in the central hole, the lower end of the central shaft is connected with the wheel, the wheel adjusting ring is movably connected with the top of the central column through threads, the central shaft is connected with the wheel adjusting ring, the central shaft can circumferentially rotate relative to the wheel adjusting ring and the central hole, and the wheel adjusting ring drives the central column to axially move when rotating so as to drive the wheel to axially move.

In some embodiments, the fixed ring is provided with a first internal thread, the rotating ring is provided with a first external thread, and the rotating ring is movably connected with the first internal thread through the first external thread.

In some embodiments, the rotating ring is provided with a second internal thread, the guiding ring is provided with a second external thread, and the guiding ring is movably connected with the second internal thread through the second external thread.

In some embodiments, the guide ring is provided with a guide groove, and the guide piece is positioned in the guide groove, so that the guide ring moves along the axial direction under the limit of the guide groove and the guide piece.

In some embodiments, the upper limit part is located at the top end of the guide ring, a third external thread is arranged at the lower end of the guide ring, a third internal thread is arranged on the lower limit ring, and the lower limit ring is connected with the third external thread through the third internal thread.

In some embodiments, the rotating ring is provided with a connecting column, a side wall of the fixed ring is provided with a limiting hole, the connecting column penetrates through the limiting hole, the rolling seat adjusting ring is sleeved outside the fixed ring, the inner side of the rolling seat adjusting ring is provided with a limiting groove, and the connecting column is located in the limiting groove, so that the rolling seat adjusting ring drives the rotating ring to rotate when rotating.

In some embodiments, install first screens pearl on the lateral wall of solid fixed ring, be provided with a plurality of first screens grooves on the inside wall of rolling seat adjusting ring, when rolling seat adjusting ring rotates, first screens pearl and first screens groove contact, can assist the user to roll the seat and adjust and promote the feel when the user adjusts.

In some embodiments, the outer side of the rolling seat adjusting ring is provided with anti-slip patterns for increasing the friction force thereof.

In some embodiments, the bottom of the bin is provided with a fourth internal thread, the top of the fixing ring is provided with a fourth external thread, and the bin is connected with the fourth external thread of the fixing ring through the fourth internal thread.

In some embodiments, the grinder further comprises a powder bin, a fifth external thread is arranged at the top of the powder bin, a fifth internal thread is arranged at the bottom of the fixed ring, and the powder bin is connected with the fifth internal thread of the fixed ring through the fifth external thread.

In some embodiments, the roller adjusting ring is provided with a sixth external thread, the top of the central hole is provided with a sixth internal thread, and the roller adjusting ring is movably connected with the sixth internal thread of the central hole through the sixth external thread.

In some embodiments, the center of the wheel mill adjusting ring is provided with a step hole, the central shaft passes through the step hole, a third bearing is arranged in the step hole, a compression ring is arranged above the third bearing, an opening ring is arranged on the central shaft, and the opening ring is arranged above the compression ring, so that the central shaft is limited in the axial direction relative to the wheel mill adjusting ring.

In some embodiments, a second bearing is mounted on the central shaft, the second bearing being located below the sixth internal thread for reducing friction between the central shaft and the central bore.

In some embodiments, a first bearing is further mounted on the central shaft, a first stepped hole is formed in the lower end of the central column, the first bearing is located at the first stepped hole, an annular boss is arranged on the central shaft, a gasket is mounted above the annular boss, a spring is mounted between the first bearing and the gasket, the spring enables the first bearing to be limited on the top surface of the first stepped hole, meanwhile, the spring acts on the gasket, and downward force is applied to the central shaft.

In some embodiments, the lower end of the central column is further provided with a second stepped hole, the diameter of the second stepped hole is larger than that of the first stepped hole, and the diameter of the gasket is matched with that of the second stepped hole, so that when the central shaft moves upwards to the condition that the gasket contacts with the top surface of the second stepped hole, the gasket cannot move upwards any more.

In some embodiments, the top of the wheel is in contact with the bottom of the annular boss, the bottom of the wheel is provided with a base, which is fixedly connected with the central shaft by threads, such that the wheel is confined between the annular boss and the base.

In some embodiments, the vertical strengthening rib that is provided with between center post and the feed bin inner wall, the second screens pearl is installed at the strengthening rib top, be provided with a plurality of second screens grooves on the pinch roller adjusting ring, when pinch roller adjusting ring rotates, second screens pearl and second screens groove contact, can assist the user to adjust the pinch roller and promote the feel when the user adjusts.

In some embodiments, the top surface of the roller adjusting seat is provided with scales and digital marks for indicating the degree of adjustment of the roller.

In some embodiments, a bin cover is mounted on the bin, the bin cover is connected with the top of the central shaft, a crank is arranged on the bin cover, and the central shaft can be driven to rotate by rotating the crank, so that the grinding wheel is driven to rotate.

Compared with the prior art, the grinder that this disclosure provided, it opens the storehouse lid and can adjust the grinding wheel, and it is very convenient to use, also can adjust the grinding wheel in the use, and in addition, its grinds a adjustment mechanism and realizes grinding the axial displacement of seat through screw rotation, and its degree of adjustment can be controlled by the user by oneself for it can be finer to adjust, and the demand of the satisfying user of very big degree.

Drawings

The present disclosure will be described in further detail below in conjunction with the drawings and preferred embodiments, but those skilled in the art will appreciate that these drawings are drawn for the purpose of illustrating the preferred embodiments only and thus should not be taken as limiting the scope of the present disclosure. Moreover, unless specifically indicated otherwise, the drawings are merely schematic representations, not necessarily to scale, of the compositions or constructions of the described objects and may include exaggerated representations.

Fig. 1: the present disclosure provides a cross-sectional view of a grinder;

fig. 2: an enlarged view of part a in fig. 1;

fig. 3: the guide ring structure schematic diagram of the grinder is provided by the disclosure;

fig. 4: the internal structure schematic diagram of the grinder is provided by the disclosure;

fig. 5: the structure schematic diagram of the fixed ring of the grinder is provided by the disclosure;

fig. 6: the grinding seat adjusting ring structure of the grinder is schematically shown;

fig. 7: a top view (with part of the structure hidden) of a grinder is provided by the present disclosure;

fig. 8: FIG. 7 is a cross-sectional view taken along line A-A;

fig. 9: the disclosure provides a bin cross-sectional isometric view of a grinder;

wherein, the reference numerals are as follows:

1. a storage bin; 101. a grinding wheel; 102. grinding the base; 11. a center column; 111. a central bore; 112. a first stepped hole; 113. a second stepped hole; 12. reinforcing ribs; 121. a second clamping bead;

21. a grinding seat adjusting ring; 211. a limit groove; 212. a first clamping groove; 213. anti-skid lines; 22. a fixing ring; 221. a limiting hole; 222. a first clamping bead; 23. a rotating ring; 231. a connecting column; 24. a guide ring; 241. an upper limit part; 242. a guide groove; 25. a guide piece; 26. a lower limit ring;

22a, first internal threads; 23a, first external threads; 23b, second internal threads; 24b, second external threads; 26c, third internal threads; 24c, third external threads; 1d, fourth internal threads; 22d, fourth external threads; 22e, fifth internal threads; 4e, fifth external threads; 11f, sixth internal threads; 31f, sixth external threads;

31. a roller adjustment ring; 311. a compression ring; 312. an opening ring; 313. a second clamping groove; 32. a central shaft; 321. a third bearing; 322. a second bearing; 323. a first bearing; 324. an annular boss; 325. a gasket; 326. a spring; 327. a base;

4. a powder bin; 5. a bin cover; 51. a hand crank.

Detailed Description

The present disclosure is described in detail below with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present disclosure will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present disclosure.

It will be appreciated by those skilled in the art that in the present invention, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore the above terms should not be construed as limiting the invention.

A grinder as shown in fig. 1 to 9 is described in detail as follows:

the grinder comprises a bin 1, a grinding wheel 101 and a grinding seat 102, wherein the grinding wheel 101 and the grinding seat 102 are arranged in the bin 1, and it can be understood that the grinding seat 102 in the embodiment can be also called a grinding seat, the grinding wheel 101 can be also called a grinding head, the grinding wheel 101 and the grinding seat 102 are matched to perform bean grinding operation, specifically, the grinding seat 102 is provided with a hollow structure for the grinding wheel 101 to be positioned in the hollow structure, a bean grinding gap is formed between the grinding wheel 101 and the grinding seat 102, coffee beans are concentrated at the grinding gap after being put into the bin 1, and the coffee beans are ground by rotating the grinding wheel 101, in addition, grinding teeth on the grinding wheel 101 and the grinding seat 102 are obliquely arranged, so that the grinding gap size can be adjusted by adjusting the height position of the grinding wheel 101 or the grinding seat 102, and the thickness of the coffee bean grinding particles can be adjusted.

The grinding wheel 101 is provided with a grinding wheel adjusting mechanism, an adjusting part of the grinding wheel adjusting mechanism is positioned at a feed inlet of the storage bin 1, the grinding seat 102 is provided with a grinding seat adjusting mechanism, and the grinding seat adjusting mechanism is positioned at a discharge outlet of the storage bin 1.

It can be understood that the feed inlet of the feed bin 1 is located at the upper end of the feed bin 1, the discharge outlet of the feed bin 1 is located at the lower end of the feed bin 1, and the grinding wheel adjusting mechanism and the grinding seat adjusting mechanism can be located at the inner side of the feed bin 1 or the outer side of the feed bin 1.

Further, the seat grinding adjusting mechanism comprises a seat grinding adjusting ring 21, a fixed ring 22, a rotating ring 23 and a guide ring 24, wherein the rotating ring 23 is located on the inner side of the fixed ring 22 and movably connected with the fixed ring 22 through threads, the guide ring 24 is located on the inner side of the rotating ring 23 and movably connected with the rotating ring 23 through threads, a guide piece 25 for enabling the guide ring 24 to axially move is installed on the fixed ring 22, an upper limiting part 241 and a lower limiting ring 26 are arranged on the guide ring 24, the seat grinding 102 is limited between the upper limiting part 241 and the lower limiting ring 26, the seat grinding adjusting ring 21 is located on the outer side of the fixed ring 22 and connected with the rotating ring 23, when the seat grinding adjusting ring 21 rotates, the rotating ring 23 can be driven to rotate in a spiral mode, and then the guide ring 24 is driven to axially move under the guide of the guide piece 25, and therefore the seat grinding adjusting mechanism is driven to axially move through threads, the rotating motion of the seat grinding adjusting ring 21 is converted into linear motion of the seat grinding 102, and therefore the seat grinding adjusting mechanism is very fine and coarse adjustment degree can be adjusted by users or fine adjustment users according to the fine adjustment degree.

Further, a first internal thread 22a is provided on the fixed ring 22, a first external thread 23a is provided on the rotating ring 23, the rotating ring 23 is movably connected with the first internal thread 22a through the first external thread 23a, a second internal thread 23b is provided on the rotating ring 23, a second external thread 24b is provided on the guiding ring 24, and the guiding ring 24 is movably connected with the second internal thread 23b through the second external thread 24 b.

In addition, in this embodiment, two guide grooves 242 are symmetrically disposed on the guide ring 24, the guide pieces 25 are mounted on the fixing ring 22, and the guide pieces 25 are located in the guide grooves 242, so that the guide ring 24 can move along the axial direction thereof under the guidance of the guide grooves 242 and the guide pieces 25, and it can be understood that the number and shape of the guide pieces 25 are consistent with those of the guide grooves 242, and it is worth mentioning that the guide pieces 25 in this embodiment are made of brass, and have better strength and wear resistance, and are used for guiding the guide ring 24, so as to prolong the service life thereof.

Further, the upper limiting portion 241 of the guide ring 24 is located at the top end of the guide ring 24, and the lower limiting ring 26 is connected with the guide ring 24 through threads, so that the installation of the grinding seat 102 is facilitated, specifically, the lower end of the guide ring 24 is provided with a third external thread 24c, the lower limiting ring 26 is provided with a third internal thread 26c, and the lower limiting ring 26 is connected with the third external thread 24c through the third internal thread 26c, so that the grinding seat 102 can be limited between the upper limiting portion 241 and the lower limiting ring 26, and the grinding seat 102 can be driven to axially move when the guide ring 24 axially moves.

Further, the rotating ring 23 is provided with a connecting column 231, a side wall of the fixed ring 22 is provided with a limiting hole 221, the connecting column 231 penetrates through the limiting hole 221, the limiting hole 221 enables the connecting column 231 to move within the range of the limiting hole 221, the range of the limiting hole 221 is the effective range of seat grinding adjustment, the seat grinding adjusting ring 21 is sleeved on the outer side of the fixed ring 22, the inner side of the seat grinding adjusting ring 21 is provided with a limiting groove 211, the connecting column 231 is located in the limiting groove 211, so that the rotating ring 23 can be driven to rotate when the seat grinding adjusting ring 21 rotates, and anti-slip patterns 213 are further arranged on the outer side of the seat grinding adjusting ring 21 and used for increasing friction force of the seat grinding adjusting ring 21, and a user cannot easily slip when rotating the seat grinding adjusting ring 21.

In addition, in this embodiment, the seat grinding adjusting mechanism is stepless adjustment, in order to increase the hand feeling of the user during adjustment, the outer side wall of the fixing ring 22 is provided with the first clamping beads 222, the inner side wall of the seat grinding adjusting ring 21 is provided with a plurality of first clamping grooves 212, when the seat grinding adjusting ring 21 rotates, the first clamping beads 222 are in contact with the first clamping grooves 212, so that the seat grinding adjusting ring is convenient for assisting the user in better adjusting the seat grinding adjusting ring, the hand feeling of the user is improved, crisp sounds can be emitted during rotation, and the hearing experience of the user is better.

Further, for convenient use, the bottom of feed bin 1 is provided with fourth internal thread 1d, the top of solid fixed ring 22 is provided with fourth external thread 22d, feed bin 1 is connected with the fourth external thread 22d of solid fixed ring 22 through fourth internal thread 1d, in addition, the grinder still includes powder storehouse 4, the top of powder storehouse 4 is provided with fifth external thread 4e, the bottom of solid fixed ring 22 is provided with fifth internal thread 22e, powder storehouse 4 accessible fifth external thread 4e is connected with the fifth internal thread 22e of solid fixed ring 22, and the installation is very convenient.

Further, the grinding wheel 101 is provided with a grinding wheel adjusting mechanism, the grinding wheel adjusting mechanism comprises a grinding wheel adjusting ring 31 and a central shaft 32, a central column 11 is arranged in the storage bin 1, a central hole 111 is formed in the central column 11, the central shaft 32 is arranged in the central hole 111, the lower end of the central shaft 32 is connected with the grinding wheel 101, the grinding wheel adjusting ring 31 is movably connected with the top of the central column 11 through threads, the central shaft 32 is connected with the grinding wheel adjusting ring 31, the central shaft 32 can circumferentially rotate relative to the grinding wheel adjusting ring 31 and the central hole 111, the grinding wheel adjusting ring 31 drives the central column 11 to axially move when rotating, so that the grinding wheel 101 is driven to axially move, and likewise, the grinding wheel adjusting mechanism also converts the rotary motion of the grinding wheel adjusting ring 31 into the linear motion of the central shaft 32 through the threads, so that the grinding wheel adjusting mechanism is also in an electrodeless adjusting mode, the adjusting degree is fine, and in addition, the grinding wheel adjusting ring 31 is arranged above the central column 11, so that the grinding wheel adjusting mechanism is convenient to operate, the grinding wheel adjusting mechanism does not need to be taken down from the storage bin 4 when being used, and even further convenient to use the grinding wheel 101.

Further, a sixth external thread 31f is provided on the wheel adjusting ring 31, a sixth internal thread 11f is provided on the top of the central hole 111, the wheel adjusting ring 31 is movably connected with the sixth internal thread 11f of the central hole 111 through the sixth external thread 31f, a step hole is provided at the center of the wheel adjusting ring 31, the central shaft 32 passes through the step hole, and since the central shaft 32 can rotate circumferentially relative to the wheel adjusting ring 31, a third bearing 321 is provided in the step hole for reducing friction force, a compression ring 311 is provided above the third bearing 321, an opening ring 312 is mounted on the central shaft 32, and the opening ring 312 is located above the compression ring 311, so that the central shaft 32 is limited in an axial direction relative to the wheel adjusting ring 31, and the central shaft 32 can be driven to move axially when the wheel adjusting ring 31 rotates spirally.

Further, since the central shaft 32 can rotate circumferentially relative to the central hole 111, the central shaft 32 is provided with a second bearing 322, the second bearing 322 is located below the sixth internal thread 11f and is used for reducing friction force between the central shaft 32 and the central hole 111, the central shaft 32 is also provided with a first bearing 323, the first bearing 323 is also used for reducing friction force between the central shaft 32 and the central hole 111, the lower end of the central column 11 is provided with a first stepped hole 112, the diameter of the first stepped hole 112 is larger than that of the central hole 111, the first bearing 323 is located at the first stepped hole 112, the central shaft 32 is provided with an annular boss 324, a gasket 325 is installed above the annular boss 324, a spring 326 is installed between the first bearing 323 and the gasket 325, the spring 326 limits the first bearing 323 to the top surface of the first stepped hole 112, and simultaneously the spring 326 acts on the gasket 325 to exert downward force on the central shaft 32.

It can be appreciated that because the spring 326 always applies a downward force to the central shaft 32, so that the split ring 312 on the central shaft 32 contacts the pressing ring 311, when the wheel adjustment ring 31 is screwed upward, the pressing ring 311 pushes the split ring 312, so that the central shaft 32 is lifted upward, and at this time, the spring 326 is also gradually compressed; when the wheel adjustment ring 31 is rotated downward, the split ring 312 is always in contact with the pressing ring 311 by the spring 326, and thus moves downward.

Further, the lower end of the central post 11 is further provided with a second stepped hole 113, the diameter of the second stepped hole 113 is larger than that of the first stepped hole 112, and the diameter of the gasket 325 is matched with that of the second stepped hole 113, so that when the central shaft 32 moves upwards until the gasket 325 contacts with the top surface of the second stepped hole 113, the central shaft 32 cannot move upwards any more, and the central shaft 32 can move within a reasonable range, so that the depth of the second stepped hole 113 is the range of adjustment of the grinding wheel 101.

Further, the top of the grinding wheel 101 contacts with the bottom of the annular boss 324, a base 327 is arranged at the bottom of the grinding wheel 101, and the base 327 is fixedly connected with the central shaft 32 through threads, so that the grinding wheel 101 is limited between the annular boss 324 and the base 327, and a limiting column is further arranged on the base 327, so that the grinding wheel 101 cannot rotate circumferentially relative to the central shaft 32, and therefore, the grinding wheel 101 can be driven to rotate for grinding beans when the central shaft 32 rotates.

Further, the vertical strengthening rib 12 that is provided with between center post 11 and the feed bin 1 inner wall, in this embodiment, strengthening rib 12 sets up to three, just is the passageway of placing the coffee beans between every strengthening rib 12, and second screens pearl 121 is installed at the top of one of them strengthening rib 12, be provided with a plurality of second screens grooves 313 on the pinch roller adjusting ring 31, when pinch roller adjusting ring 31 rotates, second screens pearl 121 and second screens groove 313 contact, can assist the user to adjust pinch roller 101 and promote the feel when the user adjusts, and second screens groove 313 also can increase frictional force simultaneously, prevents that the user from skidding when rotating pinch roller adjusting ring 31, in addition, pinch roller adjusting seat's top surface is provided with scale and digital sign, and the screens pearl can act as the pointer this moment, and scale or digital sign can instruct pinch roller adjusting's height degree when corresponding with the screens pearl, promotes user's use impression.

Further, install the storehouse lid 5 on the feed bin 1, storehouse lid 5 is pegged graft with center pin 32 top, is provided with handle 51 on the storehouse lid 5, rotates handle 51 and can drive center pin 32 and rotate to drive grinding wheel 101 and rotate, the grinder is when using, can take off storehouse lid 5, puts into coffee beans, when needing to adjust grinding wheel 101, also need take off storehouse lid 5, can adjust, and the operation is very simple, and storehouse lid 5 can also avoid entering debris such as dust when coffee beans grind simultaneously.

It can be appreciated that in this embodiment, since the adjustment of the grinder adopts a threaded manner, multiple kinds of coarse and fine adjustment collocations can be set by changing the screw pitch, for example, one of the grinding wheel adjusting mechanism and the grinding seat adjusting mechanism can be set to be coarse adjustment, the other one is set to be fine adjustment, the screw pitch of one adjusting mechanism is only required to be relatively large, the screw pitch of the other adjusting mechanism is only required to be relatively small, the screw pitches of the grinding wheel adjusting mechanism and the grinding seat adjusting mechanism are also required to be fine adjustment, and the relevant parts with corresponding screw pitch specifications can be produced during production, and can be provided with richer choices for consumers by assembling according to different collocations, and the production cost is also low, and the practicability is high.

Compared with the prior art, the grinder that this disclosure provided, its grinding wheel, grinding seat all can be fine-tuned, and the regulation mode is convenient, and the regulation of grinding wheel need not to take off the powder storehouse, and is more convenient.

The foregoing disclosure has been presented in a detail description, with specific examples being used herein to illustrate the principles and embodiments of the disclosure, the above examples being provided solely to assist in the understanding of the disclosure and core ideas. It should be noted that it would be apparent to those skilled in the art that various improvements and modifications could be made to the present disclosure without departing from the principles of the present disclosure, and such improvements and modifications would be within the scope of the claims of the present disclosure.

Claims (12)

1. A grinder, characterized in that: including feed bin and the grinding wheel of setting in the feed bin, roll the seat, be provided with grinding wheel adjustment mechanism on the grinding wheel, grinding wheel adjustment mechanism's adjustment part is located the feed inlet department of feed bin, be provided with on the seat and roll seat adjustment mechanism, it is located the discharge gate department of feed bin to roll seat adjustment mechanism.

2. A grinder as defined in claim 1, wherein: the rolling seat adjusting mechanism comprises a rolling seat adjusting ring, a fixed ring, a rotating ring and a guide ring, wherein the rotating ring is movably connected with the fixed ring through threads, the guide ring is movably connected with the rotating ring through threads, a guide piece for enabling the guide ring to axially move along the guide ring is arranged on the fixed ring, an upper limiting part and a lower limiting ring are arranged on the guide ring, the rolling seat is limited between the upper limiting part and the lower limiting ring, the rolling seat adjusting ring is connected with the rotating ring, and the rotating ring is driven to rotate when the rolling seat adjusting ring rotates, so that the guide ring is driven to axially move, and the rolling seat is driven to axially move.

3. A grinder as set forth in claim 2, wherein: the fixed ring is provided with a first internal thread, the rotating ring is provided with a first external thread, and the rotating ring is movably connected with the first internal thread through the first external thread; the rotating ring is provided with a second internal thread, the guide ring is provided with a second external thread, and the guide ring is movably connected with the second internal thread through the second external thread.

4. A grinder as set forth in claim 2, wherein: the guide ring is provided with a guide groove, and the guide piece is positioned in the guide groove, so that the guide ring moves along the axial direction under the limit of the guide groove and the guide piece.

5. A grinder as set forth in claim 2, wherein: the upper limiting part is positioned at the top end of the guide ring, a third external thread is arranged at the lower end of the guide ring, a third internal thread is arranged on the lower limiting ring, and the lower limiting ring is connected with the third external thread through the third internal thread.

6. A grinder as set forth in claim 2, wherein: the rotating ring is provided with a connecting column, the side wall of the fixed ring is provided with a limiting hole, the connecting column penetrates through the limiting hole, the grinding seat adjusting ring sleeve is arranged on the outer side of the fixed ring, the inner side of the grinding seat adjusting ring sleeve is provided with a limiting groove, and the connecting column is located in the limiting groove, so that the rotating ring is driven to rotate when the grinding seat adjusting ring rotates.

7. A grinder as defined in claim 1, wherein: the grinding wheel adjusting mechanism comprises a grinding wheel adjusting ring and a central shaft, a central column is arranged in the storage bin, a central hole is formed in the central column, the central shaft is arranged in the central hole, the lower end of the central shaft is connected with the grinding wheel, the grinding wheel adjusting ring is movably connected with the top of the central column through threads, the central shaft is connected with the grinding wheel adjusting ring, the central shaft can circumferentially rotate relative to the grinding wheel adjusting ring and the central hole, and the grinding wheel adjusting ring drives the central column to axially move when rotating so as to drive the grinding wheel to axially move.

8. A grinder as set forth in claim 7 wherein: the grinding wheel adjusting ring is provided with a sixth external thread, the top of the central hole is provided with a sixth internal thread, and the grinding wheel adjusting ring is movably connected with the sixth internal thread of the central hole through the sixth external thread.

9. A grinder as set forth in claim 7 wherein: the center of the grinding wheel adjusting ring is provided with a step hole, the central shaft penetrates through the step hole, a third bearing is arranged in the step hole, a compression ring is arranged above the third bearing, an opening ring is arranged on the central shaft and located above the compression ring, and the central shaft is limited in the axial direction relative to the grinding wheel adjusting ring.

10. A grinder as set forth in claim 7 wherein: the second bearing is arranged on the central shaft and used for reducing friction force between the central shaft and the central hole; the center shaft is further provided with a first bearing, the lower end of the center column is provided with a first stepped hole, the first bearing is located at the first stepped hole, the center shaft is provided with an annular boss, a gasket is arranged above the annular boss, a spring is arranged between the first bearing and the gasket, the spring enables the first bearing to be limited on the top surface of the first stepped hole, meanwhile, the spring acts on the gasket, and downward force is applied to the center shaft.

11. A grinder as set forth in claim 10, wherein: the lower end of the center column is also provided with a second stepped hole, the diameter of the second stepped hole is larger than that of the first stepped hole, and the diameter of the gasket is matched with that of the second stepped hole.

12. A grinder as set forth in claim 10, wherein: the top of grinding wheel and the bottom contact of annular boss, the bottom of grinding wheel is provided with the base, the base passes through screw thread and center pin connection fixedly for the grinding wheel limit is located between annular boss and the base.