CN220309012U - Bean grinding device and bean grinding machine - Google Patents

Abstract

The utility model provides a bean grinding device and a bean grinding machine, wherein the bean grinding device comprises a mounting bracket, a grinding wheel assembly and an adjusting assembly, the adjusting assembly is arranged on the mounting bracket through a positioning structure, and the grinding wheel assembly is arranged in the mounting bracket through an orientation structure; the adjusting assembly is arranged on the adjusting gear on the mounting bracket; through rotating adjusting gear, adjusting gear drives the gear seat and rotates, goes up the mill wheel body and produces the displacement in vertical direction because of threaded connection, and then adjusts the mill beans clearance of last mill wheelset and lower mill wheelset. Through installing grinding wheel subassembly and adjusting part detachably respectively on the installing support, after dismantling the completion, the whole installing support that breaks away from of grinding wheel subassembly to be convenient for clean to the residual coffee powder that remains in grinding wheel group bottom down, make the problem of coffee powder residue in grinding the beans clearance thoroughly solve, promote user experience.

Description

Bean grinding device and bean grinding machine

Technical Field

The utility model relates to the technical field of living appliances, in particular to a bean grinding device and a bean grinding machine.

Background

Along with the improvement of the living standard of people, coffee also gradually enters the life of people. The step of grinding coffee beans into powder is not needed for making a cup of perfect coffee, and a plurality of coffee bean grinding machines and coffee machines with bean grinding functions are appeared in the market at present, and are very popular with various consumer groups. At present, after bean grinding work is carried out in the bean grinding technology in the market, partial coffee powder remains in a cutter head assembly and a powder outlet channel, and the cleaning process is inconvenient. When the user needs to replace coffee beans with other tastes, the coffee beans are easy to mix together, so that the coffee has a smell of being mixed, and if the residual coffee powder is not cleaned for a long time, deterioration can occur to influence the taste of the coffee and the physical health of the user, which is a serious food safety hidden trouble.

The Chinese patent publication No. CN205338659U discloses a bean grinding device of a coffee machine, which comprises an upper grinding wheel, a lower grinding wheel and a driver for driving the lower grinding wheel to rotate, and is characterized in that a bracket is arranged on the lower grinding wheel, a mounting hole is arranged on the bracket above the lower grinding wheel, and the upper grinding wheel is mounted in the mounting hole through threaded connection; the side of the upper end of the upper grinding wheel is provided with a bean inlet, the lower end of the support is provided with a powder outlet, and the bean inlet is communicated with the powder outlet sequentially through an inner cavity of the upper grinding wheel and an inner channel of the lower grinding wheel.

The detachable part of the bean grinding device is only provided with the upper grinding wheel assembly, after the disassembly is finished, the lower grinding wheel assembly is fixed on the machine, the residual coffee powder at the bottom of the lower grinding wheel assembly is difficult to clean, and the problem that the coffee powder remains in a bean grinding gap is not thoroughly solved.

Disclosure of Invention

Based on the above, in order to solve the problem that the dismountable part of the bean grinding device only has the grinding wheel assembly and the coffee powder remains in the bean grinding gap, the utility model provides a bean grinding device and a bean grinding machine, which have the following specific technical scheme:

the bean grinding device comprises a mounting bracket, a grinding wheel assembly and an adjusting assembly, wherein the adjusting assembly is arranged on the mounting bracket through a positioning structure, and the grinding wheel assembly is arranged in the mounting bracket through an orientation structure; the adjusting assembly is provided with an adjusting gear arranged on the mounting bracket; the grinding wheel assembly comprises an upper grinding wheel set and a lower grinding wheel set, and the lower grinding wheel set is provided with a gear seat; the upper grinding wheel set comprises an upper grinding wheel body in threaded connection with the gear seat, the gear seat is provided with a transmission gear part in meshed transmission with the adjusting gear, the adjusting gear drives the gear seat to rotate through rotation, and the upper grinding wheel body generates displacement in the vertical direction due to threaded connection, so that the bean grinding gap between the upper grinding wheel set and the lower grinding wheel set is adjusted.

According to the bean grinding device, the grinding wheel assembly and the adjusting assembly are respectively detachably arranged on the mounting bracket, and after the grinding wheel assembly is detached from the mounting bracket, so that residual coffee powder remained at the bottom of the lower grinding wheel assembly is convenient to clean, the problem that the coffee powder remains in a bean grinding gap is thoroughly solved, and the user experience is improved; meanwhile, the upper grinding wheel body is utilized to generate displacement in the vertical direction due to threaded connection, so that the bean grinding gap between the upper grinding wheel set and the lower grinding wheel set is adjusted, and the bean grinding effect is good.

Further, the adjusting component comprises a limiting seat arranged on the mounting bracket, an arc-shaped groove is formed in the adjusting gear, and a limiting rod matched with the arc-shaped groove is arranged on the limiting seat; the rotation angle of the arc-shaped groove on the limiting rod corresponds to the adjustable range of the bean grinding gap.

Further, the lower grinding wheel group comprises a mounting seat used for being connected with the mounting bracket, and the gear seat is rotatably mounted on the mounting seat; the upper grinding wheel set comprises an upper grinding seat arranged on the mounting seat, the upper grinding wheel body is provided with a guide boss, and the upper grinding seat is provided with a guide groove matched with the guide boss.

Further, the lower grinding wheel group comprises a lower grinding wheel body, a rotating shaft and a coupling; one end of the rotating shaft is connected with the lower grinding wheel body hub, and the other end of the rotating shaft is connected with the coupler hub; the lower grinding wheel body rotates relative to the upper grinding wheel body through the coupling and the driving piece; the grinding wheel body comprises a spiral seat and an outer cutter seat, a plurality of L-shaped buckles are arranged on the outer ring of the outer cutter seat, and an inner cavity of the spiral seat is provided with an L-shaped buckle seat matched with the L-shaped buckles.

Further, the adjusting assembly comprises an adjusting rod connected with the adjusting gear hub and a first spring sleeved on the adjusting rod, and the adjusting gear is provided with a positioning bone along the direction of the adjusting rod; the mounting bracket is provided with a fixing frame for fixedly mounting the adjusting rod, and the fixing frame is provided with a positioning groove which is matched with the positioning bone; one end of the first spring is propped against the fixed frame, the other end of the first spring is propped against the adjusting gear, and the locking state and the unlocking state of the adjusting gear are switched by adjusting the adjusting rod; in a locking state, the first spring pushes against the adjusting gear, the positioning bone is inserted into the positioning groove, and the adjusting gear cannot rotate; in the unlocking state, the first spring is extruded by the adjusting gear to be compressed, the positioning bone is separated from the positioning groove, and the adjusting gear can rotate.

Further, the bottom of the mounting seat is provided with a directional groove and a positioning lug, the mounting bracket is provided with a directional block and a positioning hole, and a safety switch is arranged in the positioning hole; the orientation groove is matched with the orientation block, and the positioning protruding block is matched with the positioning hole to form an orientation structure; a positioning round hole which is matched with the rod end of the adjusting rod is formed in the bottom of the mounting seat; through inserting the rod end of the adjusting rod into the positioning round hole, the rotation limit of the mounting seat is realized.

Further, the grinding wheel assembly comprises a limiting group arranged on the upper grinding wheel group, the limiting group comprises a second spring and a limiting piece, and the limiting piece is provided with a first limiting rod and a second limiting rod; the mounting bracket is provided with an ejector rod part, the gear seat is provided with a plurality of limiting holes, and the limiting group is used for switching the limiting state and the movable state of the gear seat; in a limiting state, the first limiting rod is far away from the ejector rod part, the second spring pushes against the limiting piece, the second limiting rod is inserted into the limiting hole, and the adjusting gear is fixedly connected; under the active state, first gag lever post roof pressure ejector pin portion, the second spring compression, the second gag lever post is kept away from spacing hole, adjusting gear can rotate for the locating part.

In another aspect, a bean grinder comprises a bean bin assembly and the bean grinding device, wherein the bean bin assembly is arranged above the grinding wheel assembly.

Further, the bean bin assembly comprises a bean box and a bean bin gate group, the bean bin gate group comprises a bean bin gate plate and a locking piece, a bean discharging channel is arranged at the bottom of the bean box, and a bean discharging hole and an arc-shaped track are arranged on the bean bin gate plate; the locking piece is provided with a contact part and an ejection part; the bottom of the bean box is provided with an ejection hole matched with the ejection part, the contact part is contacted with the arc-shaped track, and the mounting bracket is provided with a fixing hole matched with the ejection part; the bean discharging state and the bean storing state of the bean bin assembly are switched by rotating the bean bin door plate; in the bean discharging state, the bean discharging channel is communicated with the bean discharging hole, coffee beans fall into the grinding wheel assembly from the bean box, and the ejection part of the locking piece is ejected into the fixing hole; when storing beans state, lower beans passageway with lower beans hole dislocation, coffee beans are stored in the beans case, the ejecting part of locking piece is retracted in ejecting hole, the beans storehouse subassembly can be followed the installing support is dismantled.

Further, the bean bin assembly is mounted on the mounting bracket through a rotary buckling structure; the rotary buckling structure comprises a rotary buckling position arranged at the bottom of the bean box and a rotary buckling seat arranged on the mounting bracket, and the rotary buckling position is adaptive to the rotary buckling seat.

Drawings

The utility model will be further understood from the following description taken in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.

FIG. 1 is an exploded view of a bean grinding device according to an embodiment of the present utility model;

fig. 2 is a cross-sectional view of a bean grinding device according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a bean grinding device according to an embodiment of the present utility model;

fig. 4 is a cross-sectional view of a bean grinding device according to an embodiment of the present utility model;

FIG. 5 is a schematic view of the grinding wheel assembly and conditioning assembly according to one embodiment of the present utility model;

fig. 6 is a cross-sectional view of a bean grinding device according to an embodiment of the present utility model;

FIG. 7 is an exploded view of the grinding wheel assembly of one embodiment of the present utility model;

FIG. 8 is a cross-sectional view of a configuration of a bean bin assembly according to an embodiment of the utility model;

fig. 9 is an exploded view of the structure of the bean bin assembly according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a mounting bracket; 2. a grinding wheel assembly; 3. an adjustment assembly; 4. a bean bin assembly;

11. a fixing frame; 111. a positioning groove;

101. a push rod part;

21. a grinding wheel set is arranged; 22. a lower grinding wheel set; 23. a limiting group;

211. an upper grinding wheel body; 212. an upper grinding seat;

2111. a guide boss; 2112. a screw seat; 2113. an outer cutter holder;

2121. a guide groove;

221. a gear seat; 222. a mounting base; 223. a lower grinding wheel body; 224. a rotating shaft; 225. a coupling;

231. a second spring; 232. a limiting piece; 233. a first stop lever; 234. a second limit rod;

2201. a limiting hole; 2202. a directional groove; 2203. positioning the protruding blocks; 2204. a positioning groove;

2211. a transmission tooth portion;

31. an adjusting gear; 32. a limit seat; 33. an adjusting rod; 34. a first spring;

311. an arc-shaped groove; 312. positioning a bone; 321. a limit rod;

41. a bean box; 42. a bean bin gate group;

402. a rotary buckling structure;

411. a bean discharging channel;

421. a bean bin door plate; 422. a locking piece;

4211. bean discharging holes;

4211. bean discharging holes; 4212. an arc-shaped track;

4101. an ejection hole; 4221. a contact portion; 4222. and an ejection part.

Detailed Description

The present utility model will be described in further detail with reference to the following examples thereof in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the detailed description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The terms "first" and "second" in this specification do not denote a particular quantity or order, but rather are used for distinguishing between similar or identical items.

On the one hand, as shown in fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5, a bean grinding device in an embodiment of the present utility model includes a mounting bracket 1, a grinding wheel assembly 2, and an adjusting assembly 3, wherein the adjusting assembly 3 is mounted on the mounting bracket 1 through a positioning structure, and the grinding wheel assembly 2 is mounted in the mounting bracket 1 through an orientation structure; an adjusting gear 31 mounted on the mounting bracket 1 for the adjusting assembly 3; the grinding wheel assembly 2 comprises an upper grinding wheel set 21 and a lower grinding wheel set 22, wherein the lower grinding wheel set 22 is provided with a gear seat 221; the upper grinding wheel set 21 comprises an upper grinding wheel body 211 in threaded connection with a gear seat 221, the gear seat 221 is provided with a transmission gear part 2211 in meshed transmission with an adjusting gear 31, the adjusting gear 31 drives the gear seat 221 to rotate through rotating the adjusting gear 31, and the upper grinding wheel body 211 generates displacement in the vertical direction due to threaded connection, so that the grinding gaps of the upper grinding wheel set 21 and the lower grinding wheel set 22 are adjusted.

According to the bean grinding device, the grinding wheel assembly 2 and the adjusting assembly 3 are respectively detachably arranged on the mounting bracket 1, and after the grinding is completed, the grinding wheel assembly 2 is integrally separated from the mounting bracket 1, so that residual coffee powder remained at the bottom of the lower grinding wheel set 22 is convenient to clean, the problem that the coffee powder remains in a bean grinding gap is thoroughly solved, and the user experience is improved; meanwhile, the upper grinding wheel body 211 is utilized to generate displacement in the vertical direction due to threaded connection, so that the bean grinding gap between the upper grinding wheel set 21 and the lower grinding wheel set 22 is adjusted, and the bean grinding effect is good.

As shown in fig. 3 and 4, in one embodiment, the adjusting assembly 3 includes a limiting seat 32 disposed on the mounting bracket 1, an arc-shaped slot 311 is disposed on the adjusting gear 31, and a limiting rod 321 adapted to the arc-shaped slot 311 is disposed on the limiting seat 32; the rotation angle of the arc-shaped groove 311 on the limiting rod 321 corresponds to the adjustable range of the bean grinding gap. Therefore, the adjustable range of the bean grinding gap is limited by the rotation angle of the arc groove 311 on the limiting rod 321, so that the hard contact damage of the upper grinding wheel set 21 and the lower grinding wheel set 22 caused by the too small bean grinding gap is avoided, and the separation of the upper grinding wheel set 21 and the lower grinding wheel set 22 from a scatter rack caused by the too large bean grinding gap is avoided.

As shown in fig. 2 and 7, in one embodiment, the lower grinding wheel set 22 includes a mount 222 for connection with the mounting bracket 1, and the gear seat 221 is rotatably mounted on the mount 222; the upper grinding wheel set 21 includes an upper grinding seat 212 disposed on the mounting seat 222, the upper grinding wheel body 211 is provided with a guide boss 2111, and the upper grinding seat 212 is provided with a guide groove 2121 adapted to the guide boss 2111. In this way, the movement direction of the upper grinding wheel body 211 is defined by the guide boss 2111 cooperating with the guide groove 2121, and the upper grinding wheel body 211 screw-coupled to the gear seat 221 can only move in the vertical direction and cannot rotate when the gear seat 221 rotates.

As shown in fig. 4 and 6, in one embodiment, the lower grinding wheel set 22 includes a lower grinding wheel body 223, a spindle 224, and a coupling 225; one end of the rotating shaft 224 is connected with the hub of the lower grinding wheel body 223, and the other end is connected with the hub of the coupler 225; the lower grinding wheel body 223 rotates relative to the upper grinding wheel body 211 through the coupling 225 and the driving part connection; the upper grinding wheel body 211 comprises a spiral seat 2112 and an outer cutter seat 2113, a plurality of L-shaped buckles are arranged on the outer ring of the outer cutter seat 2113, and an inner cavity of the spiral seat 2112 is provided with an L-shaped buckle seat matched with the L-shaped buckles. Thus, by utilizing the cooperation of the L-shaped buckle and the L-shaped buckle seat, the spiral seat 2112 and the outer cutter seat 2113 can be detachably connected, so that the grinding wheel assembly 2 can be detached as a whole or separated, and the cleaning of a user is facilitated.

Specifically, when in use, the handle on the outer cutter holder 2113 is lifted by hand, then the outer cutter holder 2113 is rotated clockwise, at this time, the 3L-shaped buckles on the outer ring of the outer cutter holder 2113 are matched and clamped with the 3L-shaped buckles on the spiral seat 2112, and when in need of disassembly, the outer cutter holder 2113 is unlocked by the anticlockwise rotating buckles, and at this time, the upper grinding wheel body 211 can be lifted for cleaning.

As shown in fig. 3, 4 and 5, in one embodiment, the adjusting assembly 3 includes an adjusting rod 33 connected with a hub of the adjusting gear 31 and a first spring 34 sleeved on the adjusting rod 33, and the adjusting gear 31 is provided with a positioning bone 312 along the direction of the adjusting rod 33; the mounting bracket 1 is provided with a fixing bracket 11 for fixedly mounting the adjusting rod 33, and the fixing bracket 11 is provided with a positioning groove 111 for adapting to the positioning bone 312; one end of the first spring 34 presses against the fixing frame 11, the other end presses against the adjusting gear 31, and the locking state and the unlocking state of the adjusting gear 31 are switched by adjusting the adjusting lever 33; in the locked state, the first spring 34 pushes against the adjusting gear 31, the positioning bone 312 is inserted into the positioning groove 111, and the adjusting gear 31 cannot rotate; in the unlocked state, the first spring 34 is compressed by the regulating gear 31, the positioning bone 312 is disengaged from the positioning groove 111, and the regulating gear 31 can rotate. In this way, the locking state and unlocking state of the adjusting gear 31 are switched by adjusting the adjusting rod 33, so that the bean grinding gap between the upper grinding wheel set 21 and the lower grinding wheel set 22 is prevented from shifting due to vibration in the using process, and the bean grinding efficiency is ensured.

In one embodiment, the bottom of the mounting seat 222 is provided with a directional groove 2202 and a positioning lug 2203, the mounting bracket 1 is provided with a directional block and a positioning hole, and the positioning hole is internally provided with a safety switch; the orientation groove 2202 is matched with the orientation block, and the positioning lug 2203 is matched with the positioning hole to form an orientation structure; the bottom of the mounting seat 222 is provided with a positioning round hole 2204 which is matched with the rod end of the adjusting rod 33; by inserting the rod end of the adjusting rod 33 into the positioning round hole 2204, the rotation limit of the mounting seat 222 is realized. In this way, the position of the grinding wheel assembly 2 is limited by the cooperation of the orientation structure and the rod end of the adjusting rod 33 with the positioning round hole 2204, so that the grinding wheel assembly 2 is prevented from being shifted due to vibration in the use process, and the bean grinding efficiency is ensured.

In one embodiment, the safety switch arranged in the positioning hole is a micro switch for detecting the grinding wheel assembly 2, the key of the micro switch is higher than the upper plane of the mounting bracket 1, the positioning protruding block 2203 at the bottom of the mounting seat 222 is a positioning column, the positioning column extrudes the micro switch, a machine passage can work normally, if the grinding wheel assembly 2 cannot be assembled in place, the positioning column cannot support the micro switch, the whole machine cannot work, and an alarm indicator light appears on a display screen of the machine, so that a user is reminded.

As shown in fig. 6 and 7, in one embodiment, the grinding wheel assembly 2 includes a limit set 23 disposed on the upper grinding wheel set 21, the limit set 23 includes a second spring 231 and a limit piece 232, and the limit piece 232 is provided with a first limit lever 233 and a second limit lever 234; the mounting bracket 1 is provided with a push rod part 101, the gear seat 221 is provided with a plurality of limiting holes 2201, and the limiting group 23 is used for switching the limiting state and the movable state of the gear seat 221; in the limiting state, the first limiting rod 233 is far away from the ejector rod part 101, the second spring 231 pushes the limiting piece 232, the second limiting rod 234 is inserted into the limiting hole 2201, and the adjusting gear 31 is fixedly connected; in the active state, the first limiting rod 233 presses the top rod 101, the second spring 231 is compressed, the second limiting rod 234 is far away from the limiting hole 2201, and the adjusting gear 31 can rotate relative to the limiting piece 232. Since the grinding wheel assembly 2 can be detached, the gear seat 221 is engaged with the adjusting gear 31 between the grinding wheel assembly 2 and the adjusting assembly 3, that is, the gears in the two assemblies are mutually perpendicular, and if the gears are offset after being detached, the assembly is difficult. Therefore, by forming the limiting hole 2201 on the gear seat 221, the adjusting gear 31 is rotated to enable the second limiting rod 234 of the limiting piece 232 to reach the position of the limiting hole 2201, when the grinding wheel assembly 2 moves upwards, the limiting piece 232 is ejected downwards under the pressure of the spring to enable the second limiting rod 234 to be inserted into the limiting hole 2201, the gear seat 221 is locked, the gear seat 221 is enabled to always maintain a fixed angle in the disassembling process, and cannot deviate, so that the subsequent assembly is facilitated.

Specifically, when the grinding wheel assembly 2 is assembled back to the mounting bracket 1, the ejector rod part 101 is provided with the first limit rod 233 in a top mode, the second spring 231 is compressed, the second limit rod 234 is away from the limit hole 2201, the adjusting gear 31 can rotate relative to the limit piece 232, the gear seat 221 is unlocked, and the size of a bean grinding gap can be adjusted normally by the machine.

In another aspect, as shown in fig. 1, a bean grinder according to an embodiment of the present utility model includes a bean bin assembly 4 and a bean grinding device, wherein the bean bin assembly 4 is disposed above a grinding wheel assembly 2.

As shown in fig. 8 and 9, in one embodiment, the bean bin assembly 4 includes a bean box 41 and a bean bin gate group 42, the bean bin gate group 42 includes a bean bin gate 421 and a locking piece 422, a bean discharging channel 411 is arranged at the bottom of the bean box 41, and a bean discharging hole 4211 and an arc-shaped rail 4212 are arranged on the bean bin gate 421; the lock piece 422 is provided with a contact portion 4221 and an ejection portion 4222; the bottom of the bean box 41 is provided with an ejection hole 4101 matched with the ejection part 4222, the contact part 4221 is contacted with the arc-shaped rail 4212, and the mounting bracket 1 is provided with a fixing hole matched with the ejection part 4222; the bean discharging state and the bean storing state of the bean bin assembly 4 are switched by rotating the bean bin door plate 421; in the bean-discharging state, the bean-discharging channel 411 communicates with the bean-discharging hole 4211, the coffee beans fall into the grinding wheel assembly 2 from the bean box 41, and the ejection portion 4222 of the lock piece 422 is ejected into the fixing hole; in the bean storage state, the lower bean passage 411 is offset from the lower bean hole 4211, coffee beans are stored in the bean box 41, the ejector 4222 of the lock piece 422 is retracted in the ejector hole 4101, and the bean bin assembly 4 can be detached from the mounting bracket 1. So, through rotating beans storehouse door plant 421 and switching beans state and the storage beans state of beans storehouse subassembly 4, and then avoid beans case 41 to be by the mistake dismouting when the mill work, guarantee mill's job stabilization nature and improvement safety in utilization.

As shown in fig. 9, in one embodiment, the cartridge assembly 4 is mounted to the mounting bracket 1 by a swivel-snap-fit structure 402; the rotary buckling structure 402 comprises a rotary buckling position arranged at the bottom of the bean box 41 and a rotary buckling seat arranged on the mounting bracket 1, and the rotary buckling position is matched with the rotary buckling seat. Thus, by arranging the rotary fastening structure 402 on the outer side of the bean box 41, after the two steps of unlocking the rotary fastening structure 402 and unlocking the locking block 422, the bean bin assembly 4 can be taken out, and the scattering of coffee beans during disassembly can be effectively prevented due to the double protection structure.

In one embodiment, a safety switch is disposed in the fixed aperture. When the bean box 41 is taken out, the safety switch is turned off, so that the bean grinding device cannot be started, and the safety of a user during taking out is ensured.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. The bean grinding device is characterized by comprising a mounting bracket, a grinding wheel assembly and an adjusting assembly, wherein the adjusting assembly is arranged on the mounting bracket through a positioning structure, and the grinding wheel assembly is arranged in the mounting bracket through an orientation structure;

the adjusting assembly is provided with an adjusting gear arranged on the mounting bracket;

the grinding wheel assembly comprises an upper grinding wheel set and a lower grinding wheel set, and the lower grinding wheel set is provided with a gear seat;

the upper grinding wheel set comprises an upper grinding wheel body in threaded connection with the gear seat, the gear seat is provided with a transmission gear part in meshed transmission with the adjusting gear, the adjusting gear drives the gear seat to rotate through rotation, and the upper grinding wheel body generates displacement in the vertical direction due to threaded connection, so that the bean grinding gap between the upper grinding wheel set and the lower grinding wheel set is adjusted.

2. The bean grinding device according to claim 1, wherein the adjusting assembly comprises a limiting seat arranged on the mounting bracket, an arc-shaped groove is arranged on the adjusting gear, and a limiting rod matched with the arc-shaped groove is arranged on the limiting seat;

the rotation angle of the arc-shaped groove on the limiting rod corresponds to the adjustable range of the bean grinding gap.

3. The bean grinding device of claim 1, wherein the lower grinding wheel set includes a mounting seat for connection with the mounting bracket, the gear seat being rotatably mounted on the mounting seat;

the upper grinding wheel set comprises an upper grinding seat arranged on the mounting seat, the upper grinding wheel body is provided with a guide boss, and the upper grinding seat is provided with a guide groove matched with the guide boss.

4. A bean grinding device according to claim 3, wherein the lower grinding wheel set comprises a lower grinding wheel body, a rotating shaft and a coupling;

one end of the rotating shaft is connected with the lower grinding wheel body hub, and the other end of the rotating shaft is connected with the coupler hub;

the lower grinding wheel body rotates relative to the upper grinding wheel body through the coupling and the driving piece;

the grinding wheel body comprises a spiral seat and an outer cutter seat, a plurality of L-shaped buckles are arranged on the outer ring of the outer cutter seat, and an inner cavity of the spiral seat is provided with an L-shaped buckle seat matched with the L-shaped buckles.

5. A bean grinding device according to claim 3, wherein the adjusting assembly comprises an adjusting rod connected with the adjusting gear hub and a first spring sleeved on the adjusting rod, and the adjusting gear is provided with a positioning bone along the direction of the adjusting rod;

the mounting bracket is provided with a fixing frame for fixedly mounting the adjusting rod, and the fixing frame is provided with a positioning groove which is matched with the positioning bone;

one end of the first spring is propped against the fixed frame, the other end of the first spring is propped against the adjusting gear, and the locking state and the unlocking state of the adjusting gear are switched by adjusting the adjusting rod;

in a locking state, the first spring pushes against the adjusting gear, the positioning bone is inserted into the positioning groove, and the adjusting gear cannot rotate;

in the unlocking state, the first spring is extruded by the adjusting gear to be compressed, the positioning bone is separated from the positioning groove, and the adjusting gear can rotate.

6. The bean grinding device according to claim 5, wherein the bottom of the mounting seat is provided with a directional groove and a positioning lug, the mounting bracket is provided with a directional block and a positioning hole, and the positioning hole is internally provided with a safety switch;

the orientation groove is matched with the orientation block, and the positioning protruding block is matched with the positioning hole to form an orientation structure;

a positioning round hole which is matched with the rod end of the adjusting rod is formed in the bottom of the mounting seat; through inserting the rod end of the adjusting rod into the positioning round hole, the rotation limit of the mounting seat is realized.

7. A bean grinding device according to claim 3, wherein the grinding wheel assembly comprises a limit set arranged on the upper grinding wheel set, the limit set comprising a second spring and a limit piece, the limit piece being provided with a first limit lever and a second limit lever;

the mounting bracket is provided with an ejector rod part, the gear seat is provided with a plurality of limiting holes, and the limiting group is used for switching the limiting state and the movable state of the gear seat;

in a limiting state, the first limiting rod is far away from the ejector rod part, the second spring pushes against the limiting piece, the second limiting rod is inserted into the limiting hole, and the adjusting gear is fixedly connected;

under the active state, first gag lever post roof pressure ejector pin portion, the second spring compression, the second gag lever post is kept away from spacing hole, adjusting gear can rotate for the locating part.

8. A bean grinder comprising a bean bin assembly and a bean grinding device according to any one of claims 1 to 7, said bean bin assembly being disposed above said grinding wheel assembly.

9. The bean grinder of claim 8, wherein the bean bin assembly comprises a bean box and a bean bin gate group, the bean bin gate group comprises a bean bin gate plate and a locking piece, a bean discharging channel is arranged at the bottom of the bean box, and a bean discharging hole and an arc-shaped track are arranged on the bean bin gate plate;

the locking piece is provided with a contact part and an ejection part;

the bottom of the bean box is provided with an ejection hole matched with the ejection part, the contact part is contacted with the arc-shaped track, and the mounting bracket is provided with a fixing hole matched with the ejection part;

the bean discharging state and the bean storing state of the bean bin assembly are switched by rotating the bean bin door plate;

in the bean discharging state, the bean discharging channel is communicated with the bean discharging hole, coffee beans fall into the grinding wheel assembly from the bean box, and the ejection part of the locking piece is ejected into the fixing hole;

when storing beans state, lower beans passageway with lower beans hole dislocation, coffee beans are stored in the beans case, the ejecting part of locking piece is retracted in ejecting hole, the beans storehouse subassembly can be followed the installing support is dismantled.

10. The bean grinder of claim 9, wherein the bean bin assembly is mounted to the mounting bracket by a rotational snap-fit structure;

the rotary buckling structure comprises a rotary buckling position arranged at the bottom of the bean box and a rotary buckling seat arranged on the mounting bracket, and the rotary buckling position is adaptive to the rotary buckling seat.