Powder discharging structure for coffee machine

Abstract

The utility model discloses a powder discharging structure for a coffee machine, which comprises a chamber, a powder discharging support and a plasma generator, and the chamber is used for collecting ground coffee powder; the powder outlet support is arranged on one side of the cavity. A powder outlet channel communicating with the cavity and an air inlet channel communicating with the powder outlet channel are formed in the powder outlet support. The plasma generator is installed at the air inlet channel of the powder outlet support, and a gap is formed between the plasma generator and the air inlet channel. The plasma generator comprises a positive electrode and a negative electrode; when coffee powder in the cavity enters the powder outlet channel and flows out through the powder outlet channel, external air can enter the air inlet channel through the gap, and ions generated by air ionization of the positive electrode and the negative electrode are brought into the powder outlet channel so as to neutralize static electricity carried by the coffee powder. Therefore, the air inlet channel is arranged, and the gap is formed between the air inlet channel and the plasma generator, so that external air enters the powder outlet channel, ions are brought into the powder outlet channel and neutralized with static electricity carried by coffee powder, and the phenomena of powder blocking and powder flying are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of coffee machines, in particular to a powder discharging structure for coffee machines. Background Art

[0002] During the process of crushing and grinding coffee beans, static electricity is generated due to the friction between the coffee beans and the grinding knives, which causes the coffee powder to have a certain charge, thus causing the problem of flying powder.

[0003] In the prior art, a plasma generator is arranged in the powder outlet channel of the coffee machine, and the positive electrode and the negative electrode of the plasma generator ionize the air to generate ions to neutralize the charge carried by the coffee powder. However, during use, it is found that the positive electrode and the negative electrode of the plasma generator both extend into the powder outlet channel, which can easily interfere with the powder outlet channel and cause powder blockage. At the same time, the coffee powder in the powder outlet channel may also adhere to the positive electrode and the negative electrode, affecting the effect of the plasma generator, thereby causing secondary powder flying. Utility Model Content

[0004] In order to overcome the defects of the above-mentioned prior art, the utility model provides a powder discharge structure for a coffee machine, by setting an air inlet channel, the air inlet channel is connected with the powder discharge channel, and a plasma generator is installed at the air inlet channel to form a gap with the air inlet channel, thereby avoiding powder blockage. At the same time, when powder is discharged from the powder discharge channel, external air can enter the air inlet channel from the gap and bring ions generated by the positive electrode and the negative electrode ionized air into the powder discharge channel to neutralize the static electricity carried by the coffee powder.

[0005] The technical solution adopted by the utility model to solve the problem is:

[0006] A coffee machine powder discharging structure, comprising:

[0007] a chamber for collecting ground coffee powder;

[0008] A powder outlet support is arranged at one side of the chamber; a powder outlet channel connected to the chamber and an air inlet channel connected to the powder outlet channel are provided in the powder outlet support;

[0009] A plasma generator, which is mounted on the powder outlet bracket and located at the air inlet channel, and a gap is formed between the plasma generator and the air inlet channel; the plasma generator comprises a positive electrode and a negative electrode;

[0010] When the coffee powder in the chamber enters the powder outlet channel and flows out through the powder outlet channel, external air can enter the air inlet channel through the gap and bring ions generated by the positive electrode and the negative electrode ionizing the air into the powder outlet channel to neutralize the static electricity carried by the coffee powder.

[0011] Preferably, the plasma generator further comprises an electrode support, the positive electrode and the negative electrode are arranged in parallel on the electrode support, and one end of the positive electrode and the negative electrode both extend into the air inlet passage;

[0012] The powder outlet bracket is provided with a mounting portion located at the air inlet channel, the electrode bracket is mounted on the mounting portion, and the side wall thereof forms the gap with the inner wall of the air inlet channel.

[0013] Preferably, the mounting portion includes a first plug-in connector and a fixing column, and the electrode bracket is provided with a second plug-in connector and a through hole provided on the second plug-in connector;

[0014] The first plug-in connector is plug-connected with the second plug-in connector and is fixed to the fixing column through a fastener passing through the through hole, so as to install the electrode bracket on the mounting portion.

[0015] Preferably, the first connector is a slot, and the second connector is a plug-in block; or,

[0016] The first plug-in connector is a plug-in block, and the second plug-in connector is a slot.

[0017] Preferably, it also includes a base, in which the chamber is opened, and the powder outlet bracket is provided on one side of the base; the powder outlet bracket includes a first shell and a second shell, the first shell is connected to the second shell and the powder outlet channel is formed between the two.

[0018] Preferably, the air inlet channel is arranged on the outer side wall of the second shell, and the air inlet channel has an air inlet and an air outlet, the air inlet is connected to the outside, and the air outlet connects the air inlet channel with the powder outlet channel;

[0019] The mounting portion is disposed on the top of the second shell and is located at the air inlet.

[0020] Preferably, an opening and an enclosure portion are provided on the outer side wall of the second shell, the enclosure portion and the outer side wall of the second shell are enclosed to form the air inlet passage, and the opening forms the air outlet.

[0021] Preferably, the ends of the positive electrode and the negative electrode extending into the air inlet passage are both needle-shaped, and the ends of the positive electrode and the negative electrode are both higher than the top of the opening.

[0022] Preferably, it also includes a paddle for pushing coffee powder into the powder outlet channel, and the paddle is rotatably arranged at the bottom of the chamber.

[0023] Preferably, an inlet channel connected to the powder outlet channel is provided on one side of the chamber, and the paddle partially extends into the inlet channel to allow the coffee powder in the chamber to be pushed into the powder outlet channel.

[0024] To summarize, the powder discharge structure of the coffee machine of the utility model provides an air inlet channel, which is connected with the powder discharge channel, and the plasma generator is installed at the air inlet channel to form a gap with the air inlet channel, thereby avoiding powder blockage. At the same time, when powder is discharged from the powder discharge channel, a certain negative pressure is formed in the powder discharge channel, and external air can enter the air inlet channel through the gap and bring ions generated by the positive electrode and the negative electrode ionizing the air into the powder discharge channel to neutralize the static electricity carried by the coffee powder, so as to avoid direct contact between the positive electrode and the negative electrode and the coffee powder, which affects the effect of the plasma generator and causes secondary powder flying, thereby reducing the labor of users in cleaning the coffee machine and improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the structure of the coffee powder discharging structure of the utility model;

[0026] Figure 2 It is a cross-sectional schematic diagram of the coffee powder discharging structure of the utility model;

[0027] Figure 3 It is a structural schematic diagram of a powder discharging bracket and a plasma generator in the powder discharging structure for a coffee machine of the utility model;

[0028] Figure 4 It is a cross-sectional schematic diagram of a powder discharging bracket and a plasma generator in the powder discharging structure for a coffee machine of the utility model;

[0029] Figure 5 It is an exploded schematic diagram of the powder discharging support and the plasma generator in the powder discharging structure for the coffee machine of the utility model.

[0030] The meanings of the reference numerals are as follows:

[0031] 1. Base; 11. Chamber; 111. Inlet channel; 12. Drive motor; 13. First shell; 131. First buckle position; 132. Protrusion; 14. Second shell; 141. Enclosure; 142. Air inlet channel; 143. Gap; 144. Opening; 145. First convex block; 146. Second convex block; 147. Fixing column; 148. Second buckle position; 149. Slot; 15. Powder outlet channel; 2. Cutting tool; 21. Inner cutter disc; 22. Outer cutter disc; 3. Plasma generator; 31. Electrode bracket; 311. Insert block; 3111. Through hole; 32. Positive electrode; 33. Negative electrode; 4. Paddle. DETAILED DESCRIPTION

[0032] For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0033] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the modules or components referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0034] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0035] like Figure 1-5 A powder discharge structure for a coffee machine shown in the figure comprises a chamber 11, a powder discharge bracket and a plasma generator 3, wherein the chamber 11 is used to collect ground coffee powder; the powder discharge bracket is arranged at one side of the chamber 11; a powder discharge channel 15 connected to the chamber 11 and an air inlet channel 142 connected to the powder discharge channel 15 are provided in the powder discharge bracket; the plasma generator 3 is mounted on the powder discharge bracket and is located at the air inlet channel 142, and a gap 143 is formed between the plasma generator 3 and the air inlet channel 142; the plasma generator 3 comprises a positive electrode 32 and a negative electrode 33; when the coffee powder in the chamber 11 enters the powder discharge channel 15 and flows out through the powder discharge channel 15, external air can enter the air inlet channel 142 through the gap 143, and bring ions generated by the positive electrode 32 and the negative electrode 33 ionizing the air into the powder discharge channel 15 to neutralize the static electricity carried by the coffee powder.

[0036] Based on the above structure, the coffee machine powder outlet structure of the utility model is provided with an air inlet channel 142, and the air inlet channel 142 is connected with the powder outlet channel 15, and the plasma generator 3 is installed on the powder outlet bracket and located at the air inlet channel 142, so as to avoid the positive electrode 32 and the negative electrode 33 of the plasma generator 3 directly extending into the powder outlet channel 15 and causing the powder blockage phenomenon. Secondly, the plasma generator 3 and the air inlet channel 142 form a gap 143. When the coffee powder is output from the powder outlet channel 15, due to the effect of the internal air pressure, the powder outlet channel 15 will be blocked. 15 generates a certain negative pressure, and external air can enter the air inlet channel 142 from the gap 143, and the positive electrode 32 and the negative electrode 33 ionize the air to generate ions and bring them into the powder outlet channel 15 to neutralize the static electricity carried by the coffee powder, thereby avoiding the generation of flying powder by the coffee powder. At the same time, since the positive electrode 32 and the negative electrode 33 are not in direct contact with the coffee powder, the coffee powder is avoided from adhering to the positive electrode 32 and the negative electrode 33 to affect the effect of the plasma generator 3, thereby resulting in a low degree of neutralization between the ions and the static electricity carried by the coffee powder, causing secondary flying powder phenomenon.

[0037] Preferably, the plasma generator 3 also includes an electrode bracket 31, a positive electrode 32 and a negative electrode 33 are arranged in parallel on the electrode bracket 31, and one end of the positive electrode 32 and the negative electrode 33 are extended into the air inlet channel 142; wherein, the powder output bracket is provided with a mounting portion located at the air inlet channel 142, the electrode bracket 31 is installed on the mounting portion, and its side wall forms a gap 143 with the inner wall of the air inlet channel 142.

[0038] Specifically, the mounting portion includes a first plug-in connector and a fixing column 147, and the electrode bracket 31 is provided with a second plug-in connector and a through hole 3111 provided on the second plug-in connector; the first plug-in connector is plug-connected with the second plug-in connector and fixed to the fixing column 147 through a fastener passing through the through hole 3111, so as to mount the electrode bracket 31 on the mounting portion. The first plug-in connector is a slot 149, and the second plug-in connector is a plug block 311; or the first plug-in connector is a plug block 311, and the second plug-in connector is a slot 149.

[0039] In this embodiment, the mounting portion is provided with a first protrusion 145 and a second protrusion 146, and the gap between the first protrusion 145 and the second protrusion 146 forms a slot 149; or, the electrode bracket 31 is provided with a first protrusion 145 and a second protrusion 146, and the gap between the first protrusion 145 and the second protrusion 146 forms a slot 149; during installation, the plug block 311 on the electrode bracket 31 is plugged and connected with the slot 149 on the mounting portion, or, the slot 149 on the electrode bracket 31 is plugged and connected with the plug block 311 on the mounting portion, and then the fastener is passed through the through hole 3111 and fixed on the fixing column 147, so that the electrode bracket 31 is installed on the mounting portion.

[0040] Preferably, the powder outlet structure for a coffee machine of the utility model further comprises a base 1, a chamber 11 is provided in the base 1, and a powder outlet bracket is provided on one side of the base 1; the powder outlet bracket comprises a first shell 13 and a second shell 14, the first shell 13 is connected to the second shell 14 and a powder outlet channel 15 is formed between the two. Specifically, a convex portion 132 and a first buckle position 131 are provided on the first shell 13, and a second buckle position 148 is provided on the second shell 14. The first shell 13 is inserted into the inner cavity of the second shell 14 through the convex portion 132, and then fixed by the buckle connection of the first buckle position 131 and the second buckle position 148, and the inner cavity of the first shell 13 and the inner cavity of the second shell 14 form a powder outlet channel 15; wherein the air inlet channel 142 is provided on the outer side wall of the second shell 14, and the air inlet channel 142 has an air inlet and an air outlet, the air inlet is connected to the outside, and the air outlet connects the air inlet channel 142 with the powder outlet channel 15; the mounting portion is provided on the top of the second shell 14 and is located at the air inlet.

[0041] Specifically, an opening 144 and an enclosure 141 are provided on the outer side wall of the second shell 14 . The enclosure 141 and the outer side wall of the second shell 14 are combined to form an air inlet passage 142 , and the opening 144 forms an air outlet.

[0042] Preferably, the ends of the positive electrode 32 and the negative electrode 33 extending into the air inlet channel 142 are needle-shaped, and the ends of the positive electrode 32 and the negative electrode 33 are higher than the top of the opening 144, so as to avoid the coffee powder in the powder outlet channel 15 from contacting the positive electrode 32 and the negative electrode 33, thereby preventing the coffee powder from adhering to the positive electrode 32 and the negative electrode 33, thereby affecting the use effect of the positive electrode 32 and the negative electrode 33 and causing secondary powder flying.

[0043] Preferably, the coffee machine powder outlet structure of the utility model further includes a paddle 4 for pushing coffee powder into the powder outlet channel 15 , and the paddle 4 is rotatably arranged at the bottom of the chamber 11 .

[0044] Among them, an inlet channel 111 connected to the powder outlet channel 15 is provided on one side of the chamber 11 , and the paddle 4 partially extends into the inlet channel 111 to allow the coffee powder in the chamber 11 to be pushed into the powder outlet channel 15 .

[0045] Specifically, a driving motor 12 is installed on the base 1, and the tool 2 includes an inner blade disc 21 and an outer blade disc 22, and the paddle 4 and the inner blade disc 21 are connected to the driving motor 12. When the driving motor 12 drives the inner blade disc 21 and the paddle 4 to rotate, the coffee beans falling into the chamber 11 will be ground into coffee powder under the action of the inner blade disc 21 and the outer blade disc 22 and fall into the bottom of the chamber 11, and then be pushed into the introduction channel 111 by the paddle 4. After passing through the introduction channel 111, the coffee powder falls into the powder outlet channel 15, and a certain negative pressure is formed in the powder outlet channel 15, and then the external air can enter the air inlet channel 142 from the gap 143, and the positive electrode 32 and the negative electrode 33 of the plasma generator 3 ionize the air to generate ions, which flow with the air and enter the powder outlet channel 15 from the opening 144 to neutralize the static electricity carried by the coffee powder, thereby avoiding the flying of coffee powder.

[0046] In summary, the powder discharge structure of the coffee machine of the utility model is provided with an air inlet channel 142, the air inlet channel 142 is connected with the powder discharge channel 15, the plasma generator 3 is installed at the air inlet of the air inlet channel 142, and the side wall of the electrode bracket 31 and the inner wall of the air inlet channel 142 form a gap 143, thereby avoiding the phenomenon of powder blockage. At the same time, when the powder discharge channel 15 discharges powder, a certain negative pressure is formed in the powder discharge channel 15, and the external air can enter the air inlet channel 142 through the gap 143 and bring the ions generated by the ionized air of the positive electrode 32 and the negative electrode 33 into the powder discharge channel 15 to neutralize the static electricity carried by the coffee powder, so as to avoid the positive electrode 32 and the negative electrode 33 directly contacting the coffee powder, affecting the effect of the plasma generator 3, and causing the phenomenon of secondary powder flying, thereby reducing the labor of the user in cleaning the coffee machine and improving the user experience.

[0047] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0048] It should be understood that the orientations or positional relationships indicated by the terms "top", "bottom", "inside", "outside", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the modules or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0049] In addition, in the description of the present utility model, "multiple" and "several" mean two or more than two, unless otherwise clearly and specifically defined.

[0050] The technical means disclosed in the solution of the utility model are not limited to the technical means disclosed in the above-mentioned implementation mode, but also include technical solutions composed of any combination of the above technical features. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model, and these improvements and modifications are also regarded as the protection scope of the utility model.

Claims

1. A coffee machine powder dispensing structure, characterized in that: include: a chamber for collecting ground coffee powder; A powder outlet support is arranged at one side of the chamber; a powder outlet channel connected to the chamber and an air inlet channel connected to the powder outlet channel are provided in the powder outlet support; A plasma generator, which is mounted on the powder outlet bracket and located at the air inlet channel, and a gap is formed between the plasma generator and the air inlet channel; the plasma generator comprises a positive electrode and a negative electrode; When the coffee powder in the chamber enters the powder outlet channel and flows out through the powder outlet channel, external air can enter the air inlet channel through the gap and bring ions generated by the positive electrode and the negative electrode ionizing the air into the powder outlet channel to neutralize the static electricity carried by the coffee powder.

2. The coffee powder dispensing structure for a coffee machine according to claim 1, characterized in that: The plasma generator further comprises an electrode support, the positive electrode and the negative electrode are arranged in parallel on the electrode support, and one end of the positive electrode and the negative electrode both extend into the air inlet passage; The powder outlet bracket is provided with a mounting portion located at the air inlet channel, the electrode bracket is mounted on the mounting portion, and the side wall thereof forms the gap with the inner wall of the air inlet channel.

3. The coffee powder dispensing structure for a coffee machine according to claim 2, characterized in that: The mounting portion includes a first plug-in connector and a fixing column, and the electrode bracket is provided with a second plug-in connector and a through hole arranged on the second plug-in connector; The first plug-in connector is plug-connected with the second plug-in connector and is fixed to the fixing column through a fastener passing through the through hole, so as to install the electrode bracket on the mounting portion.

4. The coffee powder dispensing structure for a coffee machine according to claim 3, characterized in that: The first plug-in connector is a slot, and the second plug-in connector is a plug-in block; or, The first plug-in connector is a plug-in block, and the second plug-in connector is a slot.

5. The coffee machine powder dispensing structure according to any one of claims 2 to 4, characterized in that: It also includes a base, in which the chamber is opened, and the powder outlet bracket is provided on one side of the base; the powder outlet bracket includes a first shell and a second shell, the first shell is connected to the second shell and the powder outlet channel is formed between the insides of the two.

6. The coffee powder dispensing structure for a coffee machine according to claim 5, characterized in that: The air inlet channel is arranged on the outer side wall of the second shell, and the air inlet channel has an air inlet and an air outlet, the air inlet is connected to the outside, and the air outlet connects the air inlet channel with the powder outlet channel; The mounting portion is disposed on the top of the second shell and is located at the air inlet.

7. The coffee machine powder dispensing structure according to claim 6, characterized in that: An opening and an enclosure portion are provided on the outer side wall of the second shell. The enclosure portion and the outer side wall of the second shell are enclosed to form the air inlet passage, and the opening forms the air outlet.

8. The coffee powder dispensing structure for a coffee machine according to claim 7, characterized in that: The ends of the positive electrode and the negative electrode extending into the air intake passage are both needle-shaped, and the ends of the positive electrode and the negative electrode are both higher than the top of the opening.

9. The coffee powder dispensing structure for a coffee machine according to any one of claims 1 to 4, characterized in that: It also includes a paddle for pushing coffee powder into the powder outlet channel, and the paddle is rotatably arranged at the bottom of the chamber.

10. The coffee powder dispensing structure for a coffee machine according to claim 9, characterized in that: An inlet channel connected to the powder outlet channel is provided on one side of the chamber, and the paddle part extends into the inlet channel so that the coffee powder in the chamber is pushed into the powder outlet channel.

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