Self-locking detection type coffee machine bean bin system

Abstract

The utility model relates to a self-locking detection type coffee machine bean bin system, and aims to solve the technical problems that the design of a bean discharging structure of an existing similar product is not good enough, a bean jumping box is prone to beater, and the design of self-locking and detection functions of a bean box assembly is not good enough. The coffee machine bean bin system is characterized in that arched slopes are arranged on the two sides of an inclined face between a through hole in a bean feeding gear arrangement position and the inner wall in a bean box of the coffee machine bean bin system, a conical top cover which is connected with the slopes on the two sides into a whole is arranged above the through hole in the bean feeding gear arrangement position, and a gap between the lower portion of the top cover and the through hole in the bean feeding gear arrangement position is a bean inlet hole. A bean stirring sheet at the outer diameter of the bean feeding gear in the through hole extends out of the through hole; a bean box self-locking disc is arranged at the top of a bean feeding gear in a through hole of the bean box, a rotary knob column protruding from the center of the top of the bean box self-locking disc extends out of a center hole in a top cover of the bean box and is provided with a bean box self-locking rotary knob, and a bean box locking rod and a bean box detection ejector rod which are inserted into holes in the bean box are arranged on the two sides of the bean box self-locking disc respectively. And the bean box detection ejector rods trigger the corresponding detection microswitches.

Description

TECHNICAL FIELD

[0001] The utility model relates to coffee machine bean bin system with grinder, and is a self-locking detection type coffee machine bean bin system. BACKGROUND

[0002] Coffee machine is a kind of electric equipment for coffee making, generally divided into semi-automatic and full-automatic two kinds, wherein semi-automatic coffee machine is a kind of traditional coffee machine in Italy, which is according to manual operation grinding, pressing powder, powder loading, brewing, manual removal of residue;Among them, full-automatic coffee machine realizes the automatic control of the whole process of brewing coffee such as preheating, cleaning, grinding, pressing powder, brewing and powder flushing, and brews coffee according to scientific data and program, and is equipped with perfect protection system, and is convenient to use, and coffee can be obtained by pressing gently. Some coffee machines open and adjust the bin opening through the knob in the bean box (bean box) at present, such as the application number 202410639454.7 disclosed in Chinese patent document, the application publication date is 2024.07.16, and the invention name is "coffee machine lower bean weighing and grinding system". The above-mentioned lower bean weighing and grinding system realizes the rotation of the movable door and the adjustment of the size of the bin opening at the lower bean opening through the movable door knob in the bean bin (bean box), but the above-mentioned product and similar products are less to realize the unlocking or self-locking of the bean box assembly through the knob and corresponding parts extending from the bean box (bean box). For example, the application number 202411325610.9 disclosed in Chinese patent document, the application publication date is 2024.11.26, and the invention name is "a coffee machine bean box lower bean grinding mechanism". The mechanism detects the placement of the bean box assembly into the bean box base assembly through microswitch, but the bone position triggering mode is poor in stability, is prone to fracture and other risks, is complex and inconvenient to produce, is difficult to maintain and replace, and at the same time, the existing coffee machine generally does not have self-locking function after the placement of the bean box assembly, and cannot trigger the machine to recognize, so that the machine is prone to pop up after starting to run and grind, and the bean box is prone to pop up. SUMMARY

[0003] In order to overcome the above-mentioned defects, the utility model aims at providing a self-locking detection type coffee machine bean bin system to the field, so as to solve the technical problems that the lower bean structure design of the existing similar products is poor, is prone to skip bean box and beat hand, and the self-locking and detection function design of the bean box assembly is poor, and the powder and powder distribution effect is poor. The purpose is realized through the following technical scheme.

[0004] The application discloses a self-locking detection type coffee machine bean bin system, which comprises a bean box assembly and a bean grinding assembly, the bottom of the bean box assembly is provided with a bean box base assembly, the bean grinding assembly comprises a weighing assembly and a grinding knife assembly, the bottom protruding bean outlet of the bean box base assembly is matched with the top protruding knife opening of the grinding knife assembly of the bean grinding assembly, the motor shaft of the grinding motor of the grinding knife assembly is connected with the grinding knife head assembly in the grinding cavity, the bean box base assembly and the grinding knife assembly are fixedly arranged on a machine body, the top disc groove of the top bean box seat of the bean box base assembly is exposed on the machine body, and the grinding knife assembly is provided with a powder outlet channel communicated with the grinding cavity in the grinding knife assembly; the bean box assembly is placed in the top disc groove of the top bean box seat of the top bean box seat assembly of the bean grinding assembly, the bottom protruding cylindrical positioning column of the lower bean gear extends through the through hole in the bottom of the bean box, the cylindrical positioning column is fixed on the center hole of the boss of the bean box fixing disc through a C-shaped clamp, the bean box fixing disc is provided with a lower bean outlet on one side of the disc surface, the boss of the bean box fixing disc is sleeved into the groove in the bottom of the lower bean gear, and meanwhile, the bean box fixing disc is buckled and fixed on the protruding sleeve opening in the bottom of the bean box; the bean box, the lower bean gear and the bean box fixing disc are fixedly connected to form an integrated whole, the transmission gear of the bean box seat assembly is sleeved and connected with the gear hole of the lower bean gear exposed on the bottom of the bean box placed in the top disc groove of the bean box seat, and the transmission gear is connected with the motor shaft of the lower bean gear motor on the bottom of the bean box seat assembly. The structure design points of the application are that the lower bean gear in the bean box of the bean box assembly is provided with an inclined surface between the through hole and the inner wall, the inclined surface is provided with an arched slope on both sides, a top cover in a conical shape and connected with the two slopes is arranged above the through hole of the lower bean gear, the gap between the top cover and the through hole of the lower bean gear is a bean inlet, the bean poking piece on the outer diameter of the lower bean gear extends out of the through hole, and the bean poking piece on one side of the lower bean gear is located at the bean inlet. Therefore, the lower bean structure in the bean box is in an umbrella shape, the umbrella slope cooperates with the inclined surface and the slope to completely shield the lower bean poking piece and prevent the bean box from jumping, the function of preventing the lower bean gear from hitting the hand is realized, and the safety is improved.

[0005] The through hole of the bean box is provided with a bean box self-locking disc at the top of the lower bean gear, the outer diameter of the lower bean gear is exposed to the outer diameter of the bean box self-locking disc, the knob column protruding from the center hole of the top cover of the bean box is sleeved with the knob sleeve engaged with the bottom of the bean box self-locking knob, the top of the bean box self-locking knob protrudes from the bean cover assembly or is hidden in the bean box, the top annular end face of the bean box self-locking disc is symmetrically provided with a first self-locking rib and a second self-locking rib, the first self-locking rib and the second self-locking rib are respectively provided with a bean box lock rod and a bean box detection top rod limited between the bottom of the bean box and the top of the bean box self-locking disc, one end of the bean box lock rod is wedge-shapedly fixed to the first self-locking rib of the bean box self-locking disc, the other end of the bean box lock rod is inserted into the lock hole on one side of the bean box seat, one end of the bean box detection top rod is wedge-shapedly fixed to the second self-locking rib of the bean box self-locking disc, the other end of the bean box detection top rod is inserted into the detection hole on the other side of the bean box seat and triggers the detection micro switch, and the detection micro switch is fixed to the outer diameter of the bean box seat through the detection head screw. Thus, the bean box of the coffee machine bean bin system has detection and self-locking functions when being placed into the bean box base assembly, the above-mentioned self-locking function can be unlocked by rotating the bean box self-locking knob on the bean cover assembly or by rotating the bean box self-locking knob in the bean box while the bean cover assembly is opened.

[0006] The detection micro switch is arranged in the special-shaped groove protruding from the outer diameter of the bean box seat to the inside of the bean box seat, the bottom of the bean box corresponding to the protruding position of the bean box seat is provided with an open detection top rod slot, the one end of the bean box detection top rod is in L shape, the one side of the L-shaped end of the bean box detection top rod is wedge-shapedly engaged with the L-shaped slot on one side of the inner wall of the special-shaped groove of the bean box seat, and the other side of the L-shaped end of the bean box detection top rod protrudes from the L-shaped slot on one side of the inner wall of the special-shaped groove and abuts against the moving spring piece of the detection micro switch.

[0007] The first self-locking rib and the second self-locking rib of the bean box self-locking disc are respectively in the special-shaped track protruding from the one end close to the center to the other end away from the center, the stroke of the corresponding bean box lock rod and the bean box detection top rod is controlled through the special-shaped track, and the bean box lock rod and the bean box detection top rod are respectively located below the slope of the bean box.

[0008] The one side of the bean box fixing disc below the bean box lock rod and / or the bean box detection top rod is provided with a protruding supporting table, and the bottom of the bean box lock rod and / or the bean box detection top rod is limited to the guide rod slot on the top of the supporting table.

[0009] The lower bean gear comprises a gear leaf fixing disc and silica gel gear leaves, the outer frame part of the silica gel gear leaves is provided with equally distributed bean pushing pieces, the middle part of the gear leaf fixing disc is upwardly provided with a circular arc protrusion, the bottom of the outer diameter edge of the gear leaf fixing disc is provided with equally distributed open grooves, the open grooves of the gear leaf fixing disc correspond to the bean pushing pieces of the outer diameter of the silica gel gear leaves respectively, the outer frame part of the silica gel gear leaves is sleeved into the inner wall of the disc opening of the gear piece fixing disc from the bottom of the gear piece fixing disc and is fixedly attached to the disc opening of the gear piece fixing disc, and meanwhile, the bean pushing pieces of the silica gel gear pieces are fixedly embedded in the open grooves of the gear leaf fixing disc. The above is a specific structure embodiment of the lower bean gear, the stability of the lower bean is good, the production and assembly are convenient, and blockage is not prone to occur.

[0010] The outer side end angle of the top part of the bean pushing piece of the silica gel gear leaf is provided with a straight chamfer, the bottom part of the straight chamfer of the bean pushing piece is flush with the hole opening of the through hole in the bean box, and the included angle between the bean pushing pieces of the silica gel gear leaf is 15.26°. Thus, the silica gel gear leaf has a total of 20 bean pushing pieces.

[0011] At least one side inner wall of the inner bottom of the bean box seat is provided with a switch top rod assembly, when the bean box assembly is placed into the disc groove at the top of the bean box seat of the bean box base assembly, the convex point at the bone position on one side of the bottom of the bean box assembly triggers the top rod micro switch of the switch top rod assembly, and the bottom of the bean box seat or the outer diameter of the grinding knife assembly on one side of the grinding knife assembly top convex knife opening sleeve joint at the lower bean opening of the convex part at the bottom of the bean box seat of the bean box base assembly is provided with another switch top rod assembly.

[0012] The switch top rod assembly comprises a top rod micro switch, a top rod disc head screw, a switch top rod, a top rod support, a support screw and a top rod spring, the top rod micro switch of the switch top rod assembly is fixed in the switch groove on one side of the outer diameter of the bean box seat through the top rod disc head screw, the moving spring sheet on one side of the top rod micro switch extends out of the switch groove and is aligned with the contact point on one end of the switch top rod, the convex part on the other side of the contact point is inserted into the edge groove with the convex part on the top and the open top of the inner wall of the disc groove at the top of the bean box seat, the other end of the switch top rod is sleeved into the top rod support and is provided with the top rod spring on the outer diameter, and the top rod support is arranged on one side of the outer diameter of the bean box seat of the top rod micro switch through the support screw. When the bean box assembly is placed into the disc groove at the top of the bean box seat of the bean box base assembly, the convex point at the bone position on one side of the bottom of the bean box assembly presses down the convex part of the switch top rod, the switch top rod moves down to drive the moving spring sheet of the top rod micro switch to press down, thereby triggering the top rod micro switch of the switch top rod assembly.

[0013] The powder distribution fan leaf is arranged in the powder outlet channel of the grinding bean assembly, the powder outlet cover is arranged at the bottom channel opening of the powder outlet channel, the end surface of the powder outlet cover is provided with a mesh, and the powder outlet cover is fixed to the bottom channel opening of the powder outlet channel through threads, the motor shaft of the powder distribution motor extends into the powder outlet channel and is connected with the powder distribution fan leaf, and the top channel opening of the powder outlet channel on one side of the grinding bean assembly or the exposed machine body. The above structure facilitates uniform powder distribution and powder outlet through the powder distribution fan leaf and prevents blockage in the powder outlet channel.

[0014] The motor support fixing sheet is arranged at the bottom of the bean box seat assembly, the lower bean gear motor and the weighing assembly are fixedly arranged on the motor support fixing sheet, and the lower bean opening protruding from the bottom of the bean box seat assembly is sleeved with the knife opening protruding from the top of the knife grinding assembly through the motor support fixing sheet.

[0015] The coffee machine bean box system has the advantages of reasonable structure design, convenient and simple operation, uniform bean and cloth powder, no easy blockage, reasonable self-locking and detection function design when the bean box is put in, good stability and safety, and the like. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a schematic diagram of the three-dimensional structure of the utility model.

[0017] Figure 2 is Figure 1 is a schematic diagram of the three-dimensional structure of the bean box after being taken out, and the bean box seat is a dotted line in the figure.

[0018] Figure 3 is Figure 1 is a schematic diagram of the exploded structure of the bean box part.

[0019] Figure 4 is Figure 3 is a schematic diagram of the bottom three-dimensional structure.

[0020] Figure 5 is Figure 4 is a schematic diagram of the exploded structure of the lower bean gear.

[0021] Figure 6 is Figure 2 is a schematic diagram of the exploded structure of the detection micro switch and the top rod micro switch.

[0022] Figure 7 is Figure 1 is a schematic diagram of the three-dimensional structure of the bean box.

[0023] Figure 8 is Figure 7 is a schematic diagram of the internal structure of the bean box, and the dotted line in the figure is the bean box structure.

[0024] Figure 9 is Figure 1 is a schematic diagram of the internal structure of the bean box after the bean box cover assembly and the bean box self-locking knob are taken out.

[0025] Figure 10 is Figure 9 is a schematic diagram of the internal structure of the bean box after being taken out.

[0026] Figure 11 is Figure 1 is a schematic diagram of the sectional structure.

[0027] Figure 12 is Figure 1 the bottom perspective structure schematic view.

[0028] Figure 13 is Figure 12 partial structure schematic view, the shell of one side of the powder outlet channel, the powder outlet cover and the weighing assembly are omitted.

[0029] Figure number and name: 1, bean box assembly, 2, bean box base assembly, 3, bean grinding assembly, 4, bean box self-locking knob, 401, knob cover, 5, bean box cover assembly, 6, bean box locking rod, 7, bean box detection top rod, 8, bean box, 801, slope, 802, top cover, 803, center hole, 804, bone position, 9, bean box self-locking disc, 901, rotating column, 902, first self-locking rib, 903, second self-locking rib, 10, gear leaf fixed disc, 11, silica gel gear leaf, 12, C-shaped clamp, 13, bean box fixed disc, 1301, support table, 14, detection large disc head screw, 15, detection micro switch, 16, bean box seat, 1601, lock hole, 17, transmission gear, 18, top rod micro switch, 19, top rod disc head screw, 20, switch top rod, 21, top rod support, 22, support screw, 23, top rod spring, 24, switch top rod assembly, 25, lower bean gear motor, 26, weighing assembly, 27, motor support fixed sheet, 28, powder outlet cover, 29, cloth powder fan blade, 30, cloth powder motor. Embodiment

[0030] The structure and use of the present application will be further described in conjunction with the accompanying drawings. As Figures 1-13The coffee machine bean bin system includes a bean box assembly 1 and a grinding assembly 3, the bottom of the bean box assembly is provided with a bean bin base assembly 2, the grinding assembly includes a weighing assembly and a grinding knife assembly, the bottom of the bean bin base assembly is provided with a lower bean opening, the top of the grinding knife assembly of the grinding assembly is provided with a knife opening, the motor shaft of the grinding motor of the grinding knife assembly is connected with the grinding knife head assembly in the grinding cavity, the bean bin base assembly and the grinding knife assembly are fixedly arranged on the machine body, the top of the bean box seat 16 of the bean bin base assembly is provided with a groove exposed on the machine body, one side of the grinding knife assembly is provided with a powder outlet channel communicated with the grinding cavity in the grinding knife assembly; the bean box assembly is placed in the top disc groove of the bean box seat of the grinding assembly, the bottom of the lower bean gear is provided with a cylindrical positioning column protruding through the through hole in the bottom of the bean bin 8, the cylindrical positioning column is fixed to the center hole of the boss of the bean bin fixing disc 13 through a C-shaped clamp 12, one side of the disc surface of the bean bin fixing disc is provided with a lower bean opening, the boss of the bean bin fixing disc is sleeved into the groove at the bottom of the lower bean gear, and the bean bin fixing disc is buckled and fixed to the sleeve opening protruding from the bottom of the bean bin, the bean bin, the lower bean gear and the bean bin fixing disc are fixedly connected as a whole, the transmission gear 17 of the bean box seat assembly is connected with the gear hole of the lower bean gear exposed at the bottom of the bean box placed in the top disc groove of the bean box seat, and the transmission gear is connected with the motor shaft of the lower bean gear motor 25 at the bottom of the bean box seat assembly.

[0031] The structural design points are: the inclined slopes 801 are arranged on both sides of the inclined surface between the through hole and the inner wall of the lower bean gear of the bean box assembly; the top cover 802 is arranged above the through hole of the lower bean gear, and the top cover is integrated with the two inclined slopes and is conical; the gap between the top cover and the through hole of the lower bean gear is the bean inlet hole; the bean poking piece of the lower bean gear protrudes from the through hole; the bean poking piece of one side of the lower bean gear is located at the bean inlet hole; the top of the lower bean gear of the through hole of the bean box is provided with a bean box self-locking disc 9; the bean poking piece of the outer diameter of the lower bean gear protrudes from the outer diameter of the bean box self-locking disc; the knob column 901 protrudes from the center hole 803 of the top cover of the bean box and is sleeved with the knob sleeve 401 engaged with the bottom of the bean box self-locking knob 4; the top of the bean box self-locking knob protrudes from the bean box cover assembly 5; the top of the bean box self-locking disc is provided with the first self-locking rib 902 and the second self-locking rib 903 which are symmetrically arranged on both sides of the annular end face; the bean box locking rod 6 and the bean box detection top rod 7 are respectively arranged on both sides of the first self-locking rib and the second self-locking rib and are limited between the bottom of the bean box and the top of the bean box self-locking disc; one end of the bean box locking rod is wedged and fixed to the first self-locking rib of the bean box self-locking disc; the other end of the bean box locking rod is inserted into the locking hole 1601 on one side of the bean box seat; one end of the bean box detection top rod is wedged and fixed to the second self-locking rib of the bean box self-locking disc; the other end of the bean box detection top rod is inserted into the detection hole on the other side of the bean box seat and triggers the detection micro switch 15; the detection micro switch is fixed to the outer diameter of the bean box seat through the detection disc head screw 14; the detection micro switch is arranged in the special-shaped groove protruding into the bean box seat on one side of the outer diameter of the bean box seat; the bottom of the bean box corresponding to the protruding position of the bean box seat is provided with an open detection top rod groove; the end of the detection micro switch of the bean box detection top rod is L-shaped; the L-shaped end of the bean box detection top rod is wedged into the L-shaped groove on one side of the inner wall of the special-shaped groove of the bean box seat; the other side of the L-shaped end of the bean box detection top rod protrudes from the L-shaped groove on one side of the inner wall of the special-shaped groove and abuts against the moving spring piece of the detection micro switch. The first self-locking rib and the second self-locking rib of the bean box self-locking disc are respectively shaped as special-shaped tracks with one end close to the center and the distance greater than the other end away from the center; the travel of the corresponding bean box locking rod and the bean box detection top rod is controlled through the special-shaped tracks; the bean box locking rod and the bean box detection top rod are respectively located below the inclined slope of the bean box. The bean box fixing disc below the bean box locking rod is provided with a protruding support 1301 on one side; the guide rod groove is limited on the top of the support of the bean box locking rod; because the travel of the bean box locking rod is far away from the outer diameter of the bean box fixing disc, the clamping and limiting effect of the bean box locking rod between the bean box fixing disc and the lower bean gear is poor, so the bean box fixing disc is provided with the support, and the travel of the bean box locking rod is more stable.

[0032] The lower bean gear comprises a gear blade fixing disc 10 and silica gel gear blades 11, the outer frame of the silica gel gear blades is provided with equidistantly distributed bean pushing pieces, the middle of the gear blade fixing disc is upwardly provided with a circular arc protrusion, the bottom of the outer diameter of the gear blade fixing disc is provided with equidistantly distributed open grooves, the open grooves of the gear blade fixing disc correspond to the bean pushing pieces of the outer diameter of the silica gel gear blades respectively, the outer frame of the silica gel gear blades is sleeved into the inner wall of the disc opening of the gear blade fixing disc from the bottom of the gear blade fixing disc and is fixedly connected to the gear blade fixing disc, meanwhile, the bean pushing pieces of the silica gel gear blades are fixedly connected to the open grooves of the gear blade fixing disc respectively. The outer side end angle of the top of the bean pushing pieces of the silica gel gear blades is provided with a straight chamfer, the bottom of the straight chamfer of the bean pushing pieces is flush with the hole opening of the through hole in the bean box, and the included angle between the bean pushing pieces of the silica gel gear blades is 15.26°.

[0033] One side of the inner wall of the bottom of the bean box seat is provided with a switch top rod assembly 24, when the bean box assembly is placed into the disc groove on the top of the bean box seat of the bean box base assembly, the convex point at the bone position 804 on one side of the bottom of the bean box assembly triggers the top rod micro switch 18 of the switch top rod assembly; specifically, the switch top rod assembly comprises a top rod micro switch 18, a top rod disc head screw 19, a switch top rod 20, a top rod support 21, a support screw 22 and a top rod spring 23, the top rod micro switch of the switch top rod assembly is fixed in the switch groove on one side of the outer diameter of the bean box seat through the top rod disc head screw, the moving contact on one side of the top rod micro switch extends out of the switch groove and is aligned with the contact on one end of the switch top rod, the convex part on the other side of the contact is inserted into the edge groove with a convex top and an open top on the inner wall of the disc groove on the top of the bean box seat, the other end of the switch top rod is sleeved into the top rod support and is provided with the top rod spring on the outer diameter, and the top rod support is arranged on the outer diameter of the bean box seat on one side of the top rod micro switch through the support screw; when the bean box assembly is placed into the disc groove on the top of the bean box seat of the bean box base assembly, the convex point at the bone position on one side of the bottom of the bean box assembly presses the convex part of the switch top rod, the switch top rod moves downward to drive the moving contact of the top rod micro switch to trigger the top rod micro switch of the switch top rod assembly.

[0034] According to the above structure, the bottom of one side of the disc groove on the top of the bean box seat or the outer diameter of the grinding blade assembly is provided with another switch top rod assembly.

[0035] The powder outlet channel of the above-mentioned bean grinding assembly is provided with a powder distributing fan blade 29, the bottom channel opening of the powder outlet channel is provided with a powder outlet cover 28, the end surface of the powder outlet cover is provided with a mesh, the powder outlet cover is fixed to the bottom channel opening of the powder outlet channel through screw threads, and the motor shaft of a powder distributing motor 30 extends into the powder outlet channel and is connected with the powder distributing fan blade; the top channel opening of the powder outlet channel on one side of the bean grinding assembly or the body is exposed.

[0036] The specific embodiment of the coffee machine bean bin system is as follows: firstly, the bean bin self-locking knob is selected clockwise by 90 degrees, the two protrusions of the bean bin self-locking knob are selected to the notch of the internal thread groove of the bean bin cover assembly, the bean bin self-locking disc is rotated clockwise by 90 degrees at the same time, the bean bin locking rod and the bean bin detection top rod are linearly moved inward and pulled back to the inside, the bean bin is unlocked, and the bean bin can be taken out at this time. After the bean bin cover assembly and the bean bin self-locking knob are taken out, the notch at the lower end of the bean bin self-locking knob is aligned with the notch shape of the lower bean bin self-locking disc and is put in, and then the bean bin self-locking knob is rotated counterclockwise by 90 degrees, the two protrusions of the bean bin self-locking knob are rotated to the internal thread closed end of the bean bin cover assembly at the same time, the bean bin self-locking disc is rotated counterclockwise by 90 degrees at the same time, the rib on the bean bin self-locking disc is also rotated counterclockwise at the same time, the bean bin locking rod and the bean bin detection top rod are linearly moved outward and pulled back to the inside, the bean bin locking rod is inserted into the lock hole at the bottom of the bean bin, the bean bin detection top rod triggers the detection micro switch in the process of linear motion outward, the bean bin is self-locked and detected, and enters the working state.

[0037] The above is intended to explain the technical means of the present application, and is not intended to limit the technical range of the present application. Those skilled in the art can make obvious improvements or replacements to the present application in combination with the existing common knowledge, which also falls within the protection scope of the claims of the present application. For example, the detection micro switch of the bean bin detection top rod is extended and triggers the detection micro switch in the wedge combination mode, the slope between the through hole and the inner wall of the bean bin internal lower bean gear of the bean box assembly is a slope on one side of the bean outlet, and the bean bin locking rod and the bean bin detection top rod are moved in the wedge combination mode of the corresponding guide groove at the bottom of the bean bin.

Claims

1. A self-locking detection type coffee machine bean bin system, the coffee machine bean bin system comprising a bean box assembly (1) and a grinding assembly (3), the bottom of the bean box assembly is provided with a bean box base assembly (2), the grinding assembly comprises a weighing assembly and a grinding knife assembly, the bottom of the bean box base assembly is provided with a lower bean opening, the top of the grinding knife assembly of the grinding assembly is provided with a knife opening, the motor shaft of the grinding motor of the grinding knife assembly is connected with the grinding knife head assembly in the grinding cavity, the bean box base assembly and the grinding knife assembly are fixedly arranged on the machine body, the top of the bean box base assembly is provided with a bean box seat (16), the top disc groove of the bean box seat is exposed on the machine body, one side of the grinding knife assembly is provided with a powder outlet channel communicated with the grinding cavity in the grinding knife assembly; the bean box assembly is placed in the top disc groove of the bean box seat of the bean box seat assembly on the top of the grinding assembly, the bottom of the lower bean gear is provided with a cylindrical positioning column protruding through the through hole in the bottom of the bean box (8), the cylindrical positioning column is fixed to the center hole of the boss of the bean box fixing disc (13) through a C-shaped clamp (12), one side of the disc surface of the bean box fixing disc is provided with a lower bean opening, the boss of the bean box fixing disc is sleeved into the groove of the bottom of the lower bean gear, and the bean box fixing disc is buckled and fixed to the sleeve opening protruding from the bottom of the bean box, the bean box, the lower bean gear and the bean box fixing disc are fixedly matched as a whole, the transmission gear (17) of the bean box seat assembly is sleeved and connected with the gear hole of the lower bean gear exposed on the bottom of the bean box placed in the top disc groove of the bean box seat, the transmission gear is connected with the motor shaft of the lower bean gear motor (25) on the bottom of the bean box seat assembly; characterized in that The slope between the through hole and the inner wall of the lower bean gear setting place inside the bean box (8) of the bean box assembly (1) is provided with an arched slope (801) on both sides, a top cover (802) which is integrated with the two slopes and is conical is arranged above the through hole of the lower bean gear setting place, the gap between the top cover and the through hole of the lower bean gear setting place is the bean inlet hole, the bean poking piece of the outer diameter of the lower bean gear in the through hole extends out of the through hole, and the bean poking piece on one side of the lower bean gear is located at the bean inlet hole.

2. The self-locking detection coffee machine bean bin system of claim 1, wherein The top of the lower bean gear in the through hole of the bean box (8) is provided with a bean box self-locking disc (9), the bean poking piece of the outer diameter of the lower bean gear extends out of the outer diameter of the bean box self-locking disc, the knob column (901) protruding at the center of the top of the bean box self-locking disc extends out of the center hole (803) of the top cover of the bean box and is sleeved into the knob sleeve (401) engaged with the bottom of the bean box self-locking knob (4), the top of the bean box self-locking knob extends out of the bean box cover assembly (5) or is hidden in the bean box, the top annular end face of the bean box self-locking disc is symmetrically provided with a protruding first self-locking rib (902) and a second self-locking rib (903), the bean box locking rod (6) and the bean box detection top rod (7) which are limited between the bottom of the bean box and the top of the bean box self-locking disc are respectively arranged on both sides of the first self-locking rib and the second self-locking rib, one end of the bean box locking rod is wedged and fixed to the first self-locking rib of the bean box self-locking disc, the other end of the bean box locking rod is inserted into the locking hole (1601) on one side of the bean box seat (16), one end of the bean box detection top rod is wedged and fixed to the second self-locking rib of the bean box self-locking disc, and the other end of the bean box detection top rod is inserted into the detection hole on the other side of the bean box seat and triggers the detection micro switch (15).

3. The self-locking detection coffee machine bean bin system of claim 2, wherein The detection micro switch (15) is arranged in the special-shaped groove protruding into the bean box seat (16) on one side of the outer diameter of the bean box seat, the bottom of the bean box (8) corresponding to the protruding position of the bean box seat is provided with an open detection top rod groove, the detection micro switch side end of the bean box detection top rod (7) is L-shaped, the L-shaped end of the bean box detection top rod is wedged into the L-shaped groove on one side of the inner wall of the special-shaped groove of the bean box seat, and the other side of the L-shaped end of the bean box detection top rod extends out of the L-shaped groove on one side of the inner wall of the special-shaped groove and abuts against the moving reed of the detection micro switch.

4. The self-locking detection coffee machine bean bin system of claim 2, wherein The first self-locking rib (902) and the second self-locking rib (903) of the bean box self-locking disc (9) are respectively shaped as special-shaped tracks protruding at the middle between one end close to the center and the other end away from the center, the travel of the corresponding bean box locking rod (6) and the bean box detection top rod (7) is controlled through the special-shaped tracks, and the bean box locking rod and the bean box detection top rod are respectively located below the slope (801) of the bean box (8).

5. The self-locking detection coffee machine bean bin system of claim 2, wherein The side of the bean box fixing disc (13) below the bean box locking rod (6) and / or the bean box detection top rod (7) is provided with a protruding support table (1301), and the bottom of the bean box locking rod and / or the bean box detection top rod is limited in the guide rod groove on the top of the support table.

6. The self-locking detection coffee machine bean bin system of claim 1, wherein The lower gear wheel comprises a gear leaf fixing disc (10) and silica gel gear leaves (11), the outer frame part of the silica gel gear leaves is provided with equally distributed bean pushing pieces, the middle part of the gear leaf fixing disc is upwardly arc-shaped, the outer diameter edge of the gear leaf fixing disc is provided with equally distributed open grooves at the bottom part, the open grooves of the gear leaf fixing disc correspond to the bean pushing pieces of the outer diameter of the silica gel gear leaves respectively, the outer frame part of the silica gel gear leaves is sleeved into the inner wall of the disc opening of the gear piece fixing disc at the bottom part and is fixedly attached to the disc opening of the gear piece fixing disc, meanwhile, the bean pushing pieces of the silica gel gear pieces are respectively embedded and fixed in the open grooves of the gear leaf fixing disc.

7. The self-locking detection coffee machine bean bin system of claim 6, wherein The outer side end angle of the top part of the bean pushing piece of the silica gel gear leaf (11) is provided with a straight chamfer, the bottom part of the straight chamfer of the bean pushing piece is flush with the hole opening of the inner through hole of the bean box (8), and the included angle between the bean pushing pieces of the silica gel gear leaves is 15.26°.

8. The self-locking detection coffee machine bean bin system of claim 1, wherein At least one side inner wall of the inner bottom part of the bean box seat (16) is provided with a switch top rod assembly (24), when the bean box assembly (1) is placed into the bean box seat top disc groove of the bean box base assembly (2), the convex point at the side bone position (804) of the bottom part of the bean box (8) of the bean box assembly triggers the top rod micro switch (18) of the switch top rod assembly; the lower bean opening at the convex position of the bottom part of the bean box seat of the bean box base assembly and the sleeve fitting position of the top convex knife opening of the knife sharpening assembly of the bean grinding assembly (3) are provided with another switch top rod assembly on one side of the bottom part of the bean box seat or the outer diameter of the knife sharpening assembly.

9. The self-locking detection coffee machine bean bin system of claim 8, wherein The switch top rod assembly (24) comprises a top rod micro switch (18), a top rod disc head screw (19), a switch top rod (20), a top rod support (21), a support screw (22) and a top rod spring (23), the top rod micro switch of the switch top rod assembly is fixed in the switch groove on one side of the outer diameter of the bean box seat (16) through the top rod disc head screw, the moving spring sheet on one side of the top rod micro switch extends out of the switch groove and is aligned with the contact point at one end of the switch top rod, the convex part at the other side of the contact point is inserted into the edge groove with the convex part at the top opening of the inner wall of the top disc groove of the bean box seat, the other end of the switch top rod is sleeved into the top rod support and is provided with the top rod spring on the outer diameter, the top rod support is arranged on the outer diameter of the bean box seat on one side of the top rod micro switch through the support screw; when the bean box assembly (1) is placed into the bean box seat top disc groove of the bean box base assembly (2), the convex point at the side bone position (804) of the bottom part of the bean box (8) of the bean box assembly presses down the convex part of the switch top rod, the switch top rod moves downward to drive the contact point to press down the moving spring sheet of the top rod micro switch, and the top rod micro switch of the switch top rod assembly is triggered.

10. The self-locking detection coffee machine bean bin system of claim 1, wherein The powder distribution fan blade (29) is arranged in the powder outlet channel of the bean grinding assembly (3), the powder outlet cover (28) is arranged at the bottom channel opening of the powder outlet channel, the end surface of the powder outlet cover is provided with a mesh, the powder outlet cover is fixed on the bottom channel opening of the powder outlet channel through screw threads, and the motor shaft of the powder distribution motor (30) extends into the powder outlet channel and is connected with the powder distribution fan blade; the top channel opening of the powder outlet channel on one side of the bean grinding assembly or the exposed machine body.

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