Portafilter with automatic detachment

Abstract

A portafilter including an automatic detachable part is disclosed. The portafilter according to an embodiment of the present invention comprises: a filter basket having a structure for storing ground coffee; a handle having a structure that extends a predetermined length from one side of the filter basket and can be grasped by a user's hand; a first binding part having a structure that is detachably attached to a group head of a coffee machine and is mounted in plurality at a certain angle along the upper edge of the filter basket; a second binding part having a structure that is rotatable in place and is detachably attached to a group head of a coffee machine by being inserted into the first binding part or discharged laterally; and a rotary drive part mounted on the handle and providing a driving force for rotational movement of the second binding part. According to the present invention, the problem of musculoskeletal disorders related to the wrist, arm, and shoulder occurring when repeatedly performing the mounting operation of a portafilter containing ground coffee to the group head of a coffee machine can be resolved. Furthermore, the portafilter can be manufactured at a relatively economical price and customized for coffee machines of various specifications, and the portafilter mounting and unmounting operations can be performed quickly and rapidly, thereby preventing the occurrence of musculoskeletal disorders in the user and maximizing the efficiency of coffee machine usage.

Description

Technology Field

[0001] The present invention relates to a portafilter, and more specifically, to a portafilter including an automatic detachment part. Background Technology

[0002] An espresso coffee machine (hereinafter referred to as a coffee machine) is a coffee maker that wipes the portafilter to remove moisture and dries it, fills the portafilter with ground coffee, measures the amount of coffee by dosing with a hand or the dosing lid, compresses the coffee, shakes off any ground coffee stuck to the sides of the portafilter, loads the portafilter, pours in hot water to extract the coffee, and dispenses it into a container such as a cup; there are commercial and household types.

[0003] The portafilter (10 in FIG. 1) is equipped with a basket (11) so that it can be held and transported by hand from the time the ground coffee is placed until the coffee extraction is finished, and it is easy to attach and detach from the coffee machine using the handle (12). (See FIG. 1)

[0004] Commercial coffee machines are equipped with a main switch, a drain tray that receives water and directs it to the drain, a cup holder for placing cups during extraction, a filter holder for loading a portafilter containing ground coffee, a coffee extraction button, and a hot water supply means as standard. Additionally, a water pressure gauge and a boiler pressure gauge may be added.

[0005] Before extracting coffee with a coffee machine, the amount of coffee is measured by dosing the dry portafilter with a hand or the doser lid, and the coffee in the portafilter is pressed and compacted through tamping, and the coffee stuck to the sides of the portafilter is brushed off and cleaned. The tapped portafilter is then transferred to a coffee extraction means and loaded into the filter holder to begin coffee extraction.

[0006] At this time, according to the prior art, there is a problem that musculoskeletal disorders related to the wrist, arm, and shoulder may occur when repeatedly performing the mounting motion of mounting a portafilter containing ground coffee onto the group head of a coffee machine.

[0007] To solve these problems, a robot-based coffee machine system has been developed, but it has the drawback of a very high installation cost.

[0008] There is a need for technology that allows the continued use of conventional coffee machines while simultaneously preventing the occurrence of musculoskeletal disorders caused by repetitive tasks. Prior art literature

[0009] Korean Patent Publication No. 10-2355736 (Registration Date: January 21, 2022) The problem to be solved

[0010] The objective of the present invention is to provide a portafilter that can solve the problem of musculoskeletal disorders related to the wrist, arm, and shoulder caused by the repetitive attachment operation of a portafilter containing ground coffee to the group head of a coffee machine, can be manufactured at a relatively economical price and customized for coffee machines of various specifications, and allows for the rapid attachment and detachment of the portafilter, thereby preventing the occurrence of musculoskeletal disorders in the user and maximizing the efficiency of coffee machine usage. means of solving the problem

[0011] A portafilter according to one aspect of the present invention for achieving such an objective may comprise: a filter basket having a structure for storing ground coffee; a handle having a structure that extends a predetermined length from one side of the filter basket and can be grasped by a user's hand; a first connecting part having a structure that is detachably attached to a group head of a coffee machine and is mounted in multiple numbers spaced apart by a certain angle along the upper edge of the filter basket; a second connecting part having a structure that is detachably attached to a group head of a coffee machine and is mounted on the upper part of the filter basket in a structure that is rotatable in place and is inserted into the first connecting part or discharged laterally; and a rotary driving part mounted on the handle and providing a driving force for rotational movement of the second connecting part.

[0012] In one embodiment of the present invention, the filter basket may comprise: a basket body portion having a structure in which a storage space of a predetermined volume capable of storing ground coffee is formed and a handle is fixed to one side in a detachable structure; an upper body portion having a structure in which a plurality of first binding portions are mounted at a certain angle and formed as an integral structure on the upper part of the basket body portion, having an opening capable of storing ground coffee, and extending a predetermined length outwardly; and a sliding rail portion having a structure in which a second binding portion is seated in a structure capable of sliding and rotating in place.

[0013] In one embodiment of the present invention, the second binding member may comprise: a binding rotation ring having a plate-shaped ring structure that is seated on the sliding rail portion and rotates in place along the sliding rail portion, with the rotation axis positioned at the same location as the planar center of the basket body portion; a binding projection formed as an integral structure with the binding rotation ring, extending laterally by a predetermined length from the edge of the binding rotation ring, and mounted in multiple numbers at a spacing angle equal to that of the first binding member along the edge of the binding rotation ring, and having a structure detachable from the coffee machine group head; and a rotational drive plate having a structure mounted on one side of the binding rotation ring, extending by a predetermined length in the direction of the handle through the sliding rail portion, and receiving rotational driving force from a rotational drive member.

[0014] In one embodiment of the present invention, the rotary drive plate may be configured to include: a downward extension portion having a plate-like structure that is mounted on the lower surface of one side of the binding rotary ring and extends downward by a predetermined length along the side interior of the basket body; and a lateral extension portion having a structure formed integrally with the downward extension portion, bent in the direction of the handle, and extended by a predetermined length in the direction of the handle to be connected to the rotary drive portion.

[0015] In one embodiment of the present invention, the rotary drive unit may comprise: a drive body part having a structure that is mounted on the central part of the handle, extends laterally by a predetermined length, and extends in a curved shape that is spaced apart by a predetermined distance while forming a concentric circle with the outer surface of the basket body part; a rotary drive rail formed on one side of the drive body part, on which the lateral extension of the rotary drive plate is seated so that it can change its position by sliding laterally; a linear drive unit having a structure that is mounted inside the drive body part, operates by a control signal transmitted from a control switch, and changes the position of the lateral extension of the rotary drive plate along the rotary drive rail; and a control switch mounted on one side of the handle, which receives a user's finger input signal and controls the operation of the linear drive unit.

[0016] In one embodiment of the present invention, the rotary drive unit may comprise: a coupling unit having a structure in which a magnetic member is embedded therein to attach the end portion of the lateral extension unit by magnetism, the coupling unit being mounted on the rotary drive rail in a structure capable of changing its sliding position along the direction of the extension length, and being secured in a detachable structure by being seated in a manner that wraps around the outer surface of the end portion of the lateral extension unit; a grip member mounted on the coupling unit and having a structure that rotates in a manner that wraps around the outer surface of the end portion of the lateral extension unit, having a semicircular cross-sectional structure that wraps around the outer surface of the end portion of the lateral extension unit, and having a seating groove formed at the inner center having the same radius as the outer surface of the end portion of the lateral extension unit; and a grip rotary drive unit having a structure that is mounted in an integral structure on the upper part of the linear drive unit and rotates the grip member in place.

[0017] In one embodiment of the present invention, the portafilter may be configured to include: an output unit mounted on the handle and outputting information regarding an input value and operating status input by a control switch as visual and auditory signals; and a drive control unit mounted on the linear drive unit and controlling the operation of the linear drive unit and the grip rotation drive unit according to an input signal input by the control switch. Effects of the invention

[0018] As described above, according to the portafilter of the present invention, by providing a filter basket of a specific structure, a handle, a first binding part, a second binding part, and a rotary drive part, the problem of musculoskeletal disorders related to the wrist, arm, and shoulder occurring when repeatedly performing the mounting operation of a portafilter containing ground coffee to the group head of a coffee machine can be resolved. Furthermore, it can be manufactured at a relatively economical price and customized for coffee machines of various specifications, and the portafilter mounting and unmounting operations can be performed quickly and rapidly, thereby preventing the occurrence of musculoskeletal disorders in the user and maximizing the efficiency of coffee machine usage. Brief explanation of the drawing

[0019] Figure 1 is a photograph showing a portafilter according to the prior art. FIG. 2 is a plan view showing a portafilter handle according to one embodiment of the present invention. Figure 3 is a cross-sectional view along line A-A' of Figure 2. FIG. 4 is a plan view showing the state in which the second binding part is rotated by a predetermined angle by the operation of the rotary drive part of the portafilter shown in FIG. 2. FIG. 5 is an exploded assembly diagram showing a portafilter according to one embodiment of the present invention. FIG. 6 is a plan view showing a second binding part, a rotary driving part, and a handle of a portafilter according to one embodiment of the present invention. Figure 7 is a cross-sectional view along the B-B' line of Figure 6. Figure 8 is a cross-sectional view showing the operating state of the rotary drive unit illustrated in Figure 7. Specific details for implementing the invention

[0020] Preferred embodiments of the present invention will be described in detail below with reference to the drawings. Prior to this, terms and words used in this specification and claims should not be interpreted as being limited to their ordinary or dictionary meanings, but should be interpreted in a meaning and concept consistent with the technical spirit of the present invention.

[0021] Throughout this specification, when it is stated that one component is located "on" another component, this includes not only cases where one component is in contact with another component, but also cases where another component exists between the two components. Throughout this specification, when it is stated that a part "includes" a component, this means that, unless specifically stated otherwise, it does not exclude other components but may include additional components.

[0022] FIG. 2 shows a plan view illustrating a portafilter handle according to one embodiment of the present invention.

[0023] Referring to FIG. 2, the portafilter (100) according to the present embodiment is equipped with a filter basket (110) of a specific structure, a handle (120), a first binding part (130), a second binding part (140), and a rotary drive part (150), thereby solving the problem of musculoskeletal disorders related to the wrist, arm, and shoulder when repeatedly performing the mounting operation when mounting a portafilter containing ground coffee onto the group head of a coffee machine. It can be manufactured at a relatively economical price and customized for coffee machines of various specifications, and the portafilter mounting and unmounting operation can be performed quickly and rapidly, so as a result, it can prevent the occurrence of musculoskeletal disorders in the user and provide a portafilter that maximizes the efficiency of using the coffee machine.

[0024] Hereinafter, each component constituting the portafilter (100) according to the present embodiment will be described in detail with reference to the drawings.

[0025] FIG. 3 shows a cross-sectional view along line A-A' of FIG. 2, FIG. 4 shows a plan view indicating a state in which the second binding part is rotated by a predetermined angle by the operation of the rotary drive part of the portafilter shown in FIG. 2, and FIG. 5 shows an exploded assembly view showing a portafilter according to an embodiment of the present invention.

[0026] Referring to FIGS. 2 to 5, the filter basket (110) according to the present embodiment is structured to hold ground coffee.

[0027] Specifically, the filter basket (110) may be configured to include a basket body part (111) of a specific structure, an upper body part (1120), and a sliding rail part (113). The basket body part (111) of the filter basket (110) is structured to have a storage space of a predetermined volume capable of storing ground coffee, and to have a handle (120) fixed to one side in a detachable structure. The upper body part (112) is mounted as an integral structure on the top of the basket body part (111), forms an opening capable of storing ground coffee, and is structured to have multiple first binding parts (130) extended outwardly by a predetermined length and spaced apart by a certain angle. The sliding rail part (113) is formed inside the upper body part (112) and is structured to allow the second binding part (140) to be slidably rotated in place.

[0028] The handle (120) according to the present embodiment is structured to extend a predetermined length from one side of the filter basket (110) so that the user's hand can grip it.

[0029] The first binding part (130) according to the present embodiment is mounted in multiple numbers at a certain angle along the upper edge of the filter basket (110) and has a structure that is detachable from the group head of the coffee machine.

[0030] The second binding part (140) according to the present embodiment is mounted on the top of the filter basket (110) in a structure that allows it to rotate in place, and is inserted into the first binding part (130) or discharged laterally so that it can be detachably attached to the coffee machine group head.

[0031] Specifically, the second binding part (140) may be configured to include a binding rotation ring (141) of a specific structure, a binding projection (142), and a rotary drive plate (143). The binding rotation ring (141) of the second binding part (140) is a plate-shaped ring structure that is seated on the sliding rail part (113) and is structured to rotate in place along the sliding rail part (113), and the rotation axis is positioned at the same location as the center of the planar surface of the basket body part (111). The binding projection (142) is formed as an integral structure with the binding rotation ring (141), extends laterally by a predetermined length from the edge of the binding rotation ring (141), is mounted in multiple numbers along the edge of the binding rotation ring (141) at the same spacing angle as the first binding part (130), and is structured to be detachable from the coffee machine group head. Additionally, the rotary drive plate (143) is mounted on one side of the binding rotary ring (141), extends a predetermined length in the direction of the handle (120) through the sliding rail portion (113), and is structured to receive rotary driving force from the rotary drive portion (150).

[0032] More specifically, as illustrated in FIGS. 3 and 5, the rotary drive plate (143) may be configured to include a downward extension (143a) and a lateral extension (143b) of a specific structure. The downward extension (143a) of the rotary drive plate (143) is mounted on the lower surface of one side of the binding rotary ring (141) and is a plate-shaped structure that extends downward by a predetermined length along the side interior of the basket body (111). The lateral extension (143b) is formed as an integral structure with the downward extension (143a) and is bent in the direction of the handle (120) to extend by a predetermined length in the direction of the handle (120) and is connected to the rotary drive part (150). Additionally, as illustrated in FIG. 5, it is preferable that one end (143c) of the lateral extension (143b) is a round bar-shaped structure.

[0033] The rotary drive unit (150) according to the present embodiment is mounted on the handle (120) and is structured to provide a stationary rotational driving force for the second binding unit (140).

[0034] Below, the rotary drive unit (150) will be described in more detail with reference to the drawings.

[0035] FIG. 6 shows a plan view illustrating a second binding part, a rotary drive part, and a handle of a portafilter according to one embodiment of the present invention, FIG. 7 shows a cross-sectional view along line B-B' of FIG. 6, and FIG. 8 shows a cross-sectional view illustrating the operating state of the rotary drive part illustrated in FIG. 7.

[0036] Referring to these drawings, the rotary drive unit (150) according to the present embodiment may be configured to include a drive body unit (151) of a specific structure, a rotary drive rail (152), a linear drive unit (153), and a control switch (154).

[0037] Specifically, the drive body (151) of the rotary drive unit (150) is mounted in the center of the handle (120) and extends laterally by a predetermined length, and is structured to extend in a curved shape that is spaced apart by a predetermined distance from the outer surface of the basket body (111) and forms a concentric circle. The rotary drive rail (152) is formed on one side of the drive body (151) and is structured so that the lateral extension (143b) of the rotary drive plate (143) is seated thereon, allowing for a sliding position change laterally. The linear drive unit (153) is mounted inside the drive body (151) and operates by a control signal transmitted from the control switch (154), and is structured to change the position of the lateral extension (143b) of the rotary drive plate (143) along the rotary drive rail. Additionally, a control switch (154) is mounted on one side of the handle (120) and can control the operation of the linear drive unit (153) by receiving a user's finger input signal.

[0038] As illustrated in FIGS. 7 and 8, the rotary drive unit (150) according to the present embodiment may further include a coupling unit (155) of a specific structure, a grip member (157), and a grip rotary drive unit (158).

[0039] Specifically, the attachment part (155) is configured to be mounted on the rotary drive rail (152) in a structure that allows for sliding position changes along the extension length direction, and is secured in a detachable structure by being seated in a manner that wraps around the outer surface of the end portion (143c) of the lateral extension part (143b), and has a structure in which a magnetic member (155a) that attaches the end portion (143c) of the lateral extension part (143b) by magnetism is embedded. The grip member (157) is configured to be mounted on the fastening part (155) and has a structure that rotates in a manner that wraps around the outer surface of the end portion (143c) of the lateral extension part (143b). It has a semicircular cross-sectional structure that wraps around the outer surface of the end portion (143c) of the lateral extension part (143b), and has a structure in which a seating groove (157a) is formed at the inner center having the same radius as the outer surface of the end portion (143c) of the lateral extension part (143b). The grip rotation drive part (1548) is mounted as an integral structure on the upper part of the linear drive part (156) and has a structure that rotates the grip member (157) in place.

[0040] In some cases, as illustrated in FIGS. 6 to 8, the portafilter (100) according to the present embodiment may further include an output section (154a) of a specific structure and a drive control section (159).

[0041] Specifically, the output unit (154a) is mounted on the handle (120) and is structured to output information regarding the input value and operating status input by the control switch (154) as visual and auditory signals. Additionally, the drive control unit (159) is mounted on the linear drive unit (156) and can control the operation of the linear drive unit (156) and the grip rotation drive unit (158) according to the input signal input by the control switch (154).

[0042] As described above, according to the portafilter of the present invention, by providing a filter basket (110) of a specific structure, a handle (120), a first binding part (130), a second binding part (140), and a rotary drive part (150), the problem of musculoskeletal disorders related to the wrist, arm, and shoulder can be solved when repeatedly performing the mounting operation of a portafilter containing ground coffee to the group head of a coffee machine. Furthermore, it can be manufactured at a relatively economical price and customized for coffee machines of various specifications, and the portafilter mounting and unmounting operation can be performed quickly and rapidly, thereby preventing the occurrence of musculoskeletal disorders in the user and maximizing the efficiency of coffee machine usage.

[0043] The above detailed description of the present invention describes only specific embodiments thereof. However, it should be understood that the present invention is not limited to the specific forms mentioned in the detailed description, but rather should be understood to include all variations, equivalents, and substitutions within the spirit and scope of the invention as defined by the appended claims.

[0044] In other words, the present invention is not limited to the specific embodiments and descriptions described above, and any person skilled in the art to which the present invention pertains can make various modifications without departing from the essence of the invention as claimed in the claims, and such modifications fall within the scope of protection of the present invention. Explanation of the symbols

[0045] 10: Portafilter 11: Filter basket 12: Handle 13: Binding structure 100: Portafilter 110: Filter basket 111: Basket main body 112: Upper main body 113: Sliding rail section 120: Handle 121: Upper handle 122: Lower handle 130: First binding part 140: Second binding part 141: Binding rotating ring 142: Binding projection 143: Rotary drive plate 143a: Downward extension 143b: Lateral extension 143c: One end of the lateral extension 150: Rotary drive unit 151: Driving main body 152: Rotary drive rail 153: Linear drive unit 154: Control Switch 154a: Output section 155: Fastener 155a: Magnetic component 157: Grip component 157a: Seating groove 158: Grip rotation drive unit 159: Drive control unit

Claims

Claim 1 A portafilter characterized by comprising: a filter basket (110) having a structure for storing ground coffee; a handle (120) having a structure that extends a predetermined length from one side of the filter basket (110) so that a user's hand can grip it; a first binding part (130) having a structure that is detachably attached to the group head of a coffee machine and is mounted in multiple places spaced apart by a certain angle along the upper edge of the filter basket (110); a second binding part (140) having a structure that is rotatable in place and is inserted into the first binding part (130) or discharged laterally so that it can be detachably attached to the group head of the coffee machine; and a rotary drive part (150) mounted on the handle (120) and providing a driving force for rotation in place of the second binding part (140). Claim 2 In claim 1, the filter basket (110) comprises: a basket body part (111) having a structure in which a storage space of a predetermined volume capable of storing ground coffee is formed and a handle (120) is fixed to one side in a detachable structure; an upper body part (112) having a structure in which a plurality of first binding parts (130) are mounted at a certain angle and formed in an integral structure on the upper end of the basket body part (111), having an opening capable of storing ground coffee, and extending a predetermined length outwardly; and a sliding rail part (113) having a structure in which a second binding part (140) is seated in a structure capable of sliding rotation in place. Claim 3 In paragraph 2, the second binding part (140) is a plate-shaped ring structure that is seated on the sliding rail part (113) and is structured to rotate in place along the sliding rail part (113), and the rotation axis is positioned at the same location as the center on the plane of the basket body part (111); and a binding projection (142) is formed as an integral structure with the binding rotation ring (141), extends laterally by a predetermined length from the edge of the binding rotation ring (141), is mounted in multiple numbers along the edge of the binding rotation ring (141) at the same spacing angle as the first binding part (130), and is structured to be detachable from the coffee machine group head. A portafilter characterized by including: a rotary drive plate (143) which is mounted on one side of the above-mentioned binding rotary ring (141), extends by a predetermined length in the direction of the handle (120) through the sliding rail portion (113), and receives rotary driving force from the rotary drive portion (150). Claim 4 In paragraph 3, the portafilter is characterized by comprising: a downward extension portion (143a) having a plate-like structure that is mounted on one lower side of the binding rotating ring (141) and extends downward by a predetermined length along the side interior of the basket body part (111); and a side extension portion (143b) having a structure formed integrally with the downward extension portion (143a), bent in the direction of the handle (120) and extended by a predetermined length in the direction of the handle (120) to be connected to the rotational driving part (150). Claim 5 In claim 4, the rotary drive unit (150) comprises: a drive body unit (151) having a structure that is mounted on the central part of the handle (120), extends laterally by a predetermined length, and extends in a curved shape that is spaced apart by a predetermined distance while forming a concentric circle with the outer surface of the basket body unit (111); a rotary drive rail (152) formed on one side of the drive body unit (151), on which the lateral extension unit (143b) of the rotary drive plate (143) is seated so that it can change its position by sliding laterally; and a linear drive unit (153) having a structure that is mounted inside the drive body unit (151), operates by a control signal transmitted from a control switch (154), and changes the position of the lateral extension unit (143b) of the rotary drive plate (143) along the rotary drive rail. A portafilter characterized by including: a control switch (154) mounted on one side of the handle (120) and receiving a user's finger input signal to control the operation of the linear drive unit (153).

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