CN117084552A - A coffee capsule and a brewing structure of a coffee machine - Google Patents

Abstract

Coffee capsule and brewing structure of coffee machine, coffee capsule include the capsule body and be used for assembling the turn-ups on the brewing head of coffee machine, turn-ups setting is on the opening of capsule body, its characterized in that: the turnup is provided with a step which can be deformed into a sealing groove under force; when coffee is brewed, one end of the brewing head presses on the step to enable the step to be concavely deformed and form a sealing groove, and one end of the brewing head is tightly matched with the sealing groove. According to the invention, the deformable step is arranged on the flanging of the coffee capsule, and the pressing edge is pressed on the step when coffee is brewed, so that the step is concavely deformed and forms the sealing groove, and the pressing edge is tightly matched with the sealing groove to seal the gap between the side wall of the brewing cavity and the capsule body, so that hot water is prevented from leaking out, the capsule body, the flanging and the step are integrally formed, the material cost is not increased, the prefabricated sealing groove is not required to be punched, the die cost is saved, and the problems that the die precision is difficult to control and the service life is short are avoided.

Description

A coffee capsule and a brewing structure of a coffee machine

Technical field

The invention relates to a coffee machine, in particular to a coffee capsule and a brewing structure of the coffee machine.

Background technique

Coffee capsules are generally brewed through a brewing head, which is equipped with a brewing chamber. When brewing coffee, the coffee capsule is placed in the brewing chamber, and the coffee capsule is pierced through the spikes on the brewing chamber. Pour hot water into the brewing chamber; however, the hot water easily leaks from the gap between the side wall of the brewing chamber and the capsule body; the existing technology generally involves setting a sealing ring or sealing gasket on the flange of the capsule body, or Dot sealant on the flange to close the gap between the side wall of the brewing chamber and the capsule body to prevent hot water from leaking, but this will increase the material cost; another method is to stamp out the flange of the coffee capsule. Prefabricated sealing groove. When the coffee capsule is placed in the brewing chamber, the pressure edge at one end of the brewing chamber fits closely with the sealing groove to close the gap between the side wall of the brewing chamber and the capsule body, thereby preventing hot water from leaking. However, The accuracy of the mold used for stamping the sealing groove is difficult to control, resulting in deviations in the position and size of the punched sealing groove, resulting in the pressure edge at one end of the brewing cavity not being able to closely match the sealing groove, which will still cause leakage, and the mold cost is high, It has a short lifespan and is easily scrapped after repeated use.

Therefore, further improvements are necessary.

Contents of the invention

The object of the present invention is to provide a coffee capsule with a simple structure, good sealing performance, low cost and strong practicability, and a brewing structure of a coffee machine, so as to overcome the deficiencies in the prior art.

A coffee capsule designed for this purpose includes a capsule body and a flange for assembly on the brewing head of a coffee machine. The flange is arranged on the opening of the capsule body. It is characterized in that: the flange is provided with a receptacle. The force deforms the step to form a sealing groove; when coffee is brewed, one end of the brewing head presses on the step to deform the step and form a sealing groove, and one end of the brewing head closely matches the sealing groove.

The capsule body, flanging and steps are integrated and made of soft metal material.

The step is arranged on one side of the flange, and the other side of the flange is recessed corresponding to the position of the step to form a first groove.

The brewing structure of a coffee machine designed for this purpose is characterized by: including the brewing head and the coffee capsule, the brewing head is provided with a brewing chamber, and one end of the brewing chamber is provided with a pressure edge; coffee When brewing, the coffee capsule is placed in the brewing chamber, and the pressing edge is pressed on the step to cause the step to be depressed and deformed to form a sealing groove. The pressing edge and the sealing groove are closely matched to seal the gap between the side wall of the brewing chamber and the capsule body. Clearance.

The width of the step is H1, and the width of the edge is H2, H1>H2.

The pressing edge is provided with a second groove.

A sharp pressing portion is formed on both sides of the second groove on the pressing edge.

A number of ribs are provided on the side wall of the brewing chamber. When the coffee capsule is placed in the brewing chamber, the outer side wall of the capsule body cooperates with the ribs.

The bottom wall of the brewing chamber is provided with several spikes for piercing the capsule body.

The invention sets a deformable step on the flange of the coffee capsule. When coffee is brewed, the edge press is pressed on the step to deform the step and form a sealing groove. The press edge closely cooperates with the sealing groove to seal the brewing process. The gap between the cavity side wall and the capsule body prevents hot water from leaking. The capsule body, flange and step are integrally formed. There is no need to set up a sealing ring or gasket, or put sealant on the flange, saving materials and production. cost, and there is no need to punch out a prefabricated sealing groove, which can reduce the process difficulty of the coffee capsule mold, thereby extending the service life of the mold, saving mold costs and enterprise development costs, and avoiding the problem of difficult control of mold accuracy.

Description of the drawings

Figure 1 is a schematic structural diagram of a coffee capsule placed on a brewing head in an embodiment of the present invention.

Figure 2 is an enlarged structural schematic diagram of position A in Figure 1.

Figure 3 is a cross-sectional view of a coffee capsule according to an embodiment of the present invention.

Figure 4 is a schematic diagram of the overall structure of a coffee capsule in one embodiment of the present invention.

Figure 5 is a schematic diagram of the overall structure of a coffee capsule in another aspect according to an embodiment of the present invention.

Figure 6 is a schematic diagram of the overall structure of the brewing head in one embodiment of the present invention.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and examples.

Referring to Figures 1 to 6, this coffee capsule includes a capsule body 2 and a flange 5 for assembly on the brewing head 1 of a coffee machine. The flange 5 is provided on the opening of the capsule body 2, and the flange 5 is provided with There is a step 6 that can be deformed by force to form a sealing groove 7; when brewing coffee, one end of the brewing head 1 is pressed on the step 6, so that the step 6 is recessed and deformed to form a sealing groove 7. One end of the brewing head 1 is in contact with the sealing groove 7. Groove 7 fits tightly.

The capsule body 2, the flange 5 and the step 6 are integrated and made of soft metal material. The soft metal material is aluminum foil, so that the step 6 can deform when pressed.

The step 6 is provided on one side of the flange 5, and the other side of the flange 5 is recessed corresponding to the position of the step 6 to form a first groove 9. The first groove 9 makes the step 6 easy to deform when pressed.

The brewing structure of this coffee machine includes a brewing head 1 and a coffee capsule. The brewing head 1 is provided with a brewing chamber 3, and one end of the brewing chamber 3 is provided with a pressing edge 4; when brewing coffee, the coffee capsule is placed on In the brewing chamber 3, the edge 4 is pressed against the step 6 (by forcefully pressing the coffee capsule into the brewing chamber 3, the edge 4 is pressed against the step 6), so that the step 6 is depressed and deformed to form a sealing groove. 7. The pressing edge 4 closely cooperates with the sealing groove 7 to close the gap 8 between the side wall of the brewing chamber 3 and the capsule body 2, thereby preventing hot water from passing through the gap 8 between the side wall of the brewing chamber 3 and the capsule body 2. Leakage; In the existing technology, a prefabricated sealing groove is punched out on the flange of the coffee capsule. Due to tolerance issues and other issues, the sealing groove and the pressure edge may not be completely sealed after being assembled with the brewing head. Leading to water leakage problems, in this solution, the sealing groove is pressed by the pressure edge of the brewing head when the coffee capsule is assembled with the brewing head. Therefore, the tolerance of the sealing groove and the pressure edge can be eliminated, ensuring that the sealing groove and the pressure edge are Completely sealed and watertight.

The width of the step 6 is H1, and the width of the edge 4 is H2. H1>H2 ensures that the coffee capsule can be pressed out of the sealing groove 7 when placed in the brewing chamber 3.

The holder 4 is provided with a second groove 10 , and the second groove 10 is arranged to facilitate the removal of the coffee capsule from the brewing chamber 3 .

Sharp pressing portions 12 are formed on both sides of the second groove 10 on the holder 4. The sharp pressing portions 12 make it easier to deform the step 6 when the holder 4 presses against the step 6.

A number of ribs 11 are provided on the side wall of the brewing chamber 3. When the coffee capsule is placed in the brewing chamber 3, the outer wall of the capsule body 2 and the ribs 11 cooperate with each other to increase the size of the side wall of the brewing chamber 3. The friction between the capsule bodies 2 prevents the coffee capsule from protruding from the brewing chamber 3 during coffee brewing.

The bottom wall of the brewing chamber 3 is provided with several spikes 13 for piercing the capsule body 2 .

The outer edge of the flange 5 is provided with an inwardly curled curling portion 14. The curling portion 14 can increase the strength of the flange 5 and prevent the flange 5 from being deformed and damaged when the edge holder 4 is pressed against the step 6.

The above is the preferred embodiment of the present invention, showing and describing the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principles of the present invention. The present invention may have various modifications without departing from the spirit and scope of the present invention. changes and improvements, which fall within the scope of the claimed invention. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims (9)

1. The utility model provides a coffee capsule, includes capsule body (2) and is used for assembling turn-ups (5) on brewing head (1) of coffee machine, turn-ups (5) set up on the opening of capsule body (2), its characterized in that: the flange (5) is provided with a step (6) which can be stressed and deformed into a sealing groove (7); when coffee is brewed, one end of the brewing head (1) is pressed on the step (6) to enable the step (6) to be concavely deformed and form a sealing groove (7), and one end of the brewing head (1) is tightly matched with the sealing groove (7).

2. The coffee capsule of claim 1, wherein: the capsule body (2), the flanging (5) and the step (6) are integrally arranged and are made of soft metal materials.

3. The coffee capsule of claim 1, wherein: the step (6) is arranged on one side of the flanging (5), and the other side of the flanging (5) is concavely arranged at the position corresponding to the step (6) to form a first groove (9).

4. A brewing structure of a coffee machine, characterized in that: comprising a brew head (1) according to any one of claims 1-3 and a coffee capsule, wherein the brew head (1) is provided with a brew chamber (3), one end of the brew chamber (3) is provided with a press edge (4); when coffee is brewed, the coffee capsule is placed in the brewing cavity (3), the pressing edge (4) is pressed on the step (6) to enable the step (6) to be concavely deformed and form the sealing groove (7), and the pressing edge (4) is tightly matched with the sealing groove (7) to seal a gap (8) between the side wall of the brewing cavity (3) and the capsule body (2).

5. The brewing structure of the coffee machine of claim 4, wherein: the width of the step (6) is H1, the width of the blank holder (4) is H2, and H1 is more than H2.

6. The brewing structure of the coffee machine of claim 4, wherein: the blank holder (4) is provided with a second groove (10).

7. The brewing structure of the coffee machine of claim 6, wherein: the pressing edge (4) is positioned at two sides of the second groove (10) to form a sharp pressing part (12).

8. The brewing structure of the coffee machine of claim 4, wherein: the side wall of the brewing cavity (3) is provided with a plurality of ribs (11), and when the coffee capsule is placed in the brewing cavity (3), the outer side wall of the capsule body (2) is matched with the ribs (11).

9. The brewing structure of the coffee machine of claim 4, wherein: the bottom wall of the brewing cavity (3) is provided with a plurality of spike parts (13) for puncturing the capsule body (2).