Portafilter handle with self-rotating drive

Abstract

A portafilter handle including an automatic rotary drive unit is disclosed. The portafilter handle according to an embodiment of the present invention is a portafilter handle that is detachably mounted on the side of a filter basket having a structure for storing ground coffee, and comprises: a joint part having a structure detachably mounted to a binding structure formed on the side of the filter basket and a structure formed at one end that is detachably mounted to a rotary drive unit; a rotary drive unit having a structure mounted internally that changes the position of the joint part to one side and extends to one side by a predetermined length; and a handle part having a structure mounted on one side of the rotary drive unit and extending to a predetermined length so as to be grasped by a user's hand. According to the present invention, a portafilter handle can be provided that can solve the problem of musculoskeletal disorders, be manufactured at a relatively economical price and customized for coffee machines of various specifications, and allow for quick and rapid portafilter attachment and detachment operations, thereby preventing musculoskeletal disorders in users and maximizing the efficiency of coffee machine usage.

Description

Technology Field

[0001] The present invention relates to a portafilter handle, and more specifically, to a portafilter handle comprising an automatic rotary drive unit capable of providing the rotational driving force required for mounting a portafilter containing ground coffee onto the group head of a coffee machine. 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 handle 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 handle according to one aspect of the present invention for achieving such an objective may be configured to include: a portafilter handle that is detachably mounted on the side of a filter basket having a structure for storing ground coffee, and is detachably mounted to a binding structure formed on the side of the filter basket, and has a joint portion formed with a structure that is detachably mounted to a rotary drive portion at one end; a rotary drive portion having a structure that is internally mounted to change the position of the joint portion to one side and is extended by a predetermined length to one side; and a handle portion having a structure that is mounted on one side of the rotary drive portion and is extended by a predetermined length to be gripped by a user's hand.

[0012] In one embodiment of the present invention, the joint portion may comprise: a first binding portion having a structure that can be bolted to a binding structure formed on the side of the filter basket; an extension portion having a structure that is mounted in an integral structure at the center of one side of the first binding portion and extends to one side by a predetermined length; and a second binding portion composed of a metal material that is formed in an integral structure at one end of the extension portion, extends to a predetermined length, and is mounted in a structure that is detachably attached to a rotary drive portion.

[0013] In one embodiment of the present invention, the rotary drive unit may comprise: an extension body part that is extended by a predetermined length in one direction and has a curved structure extending to a second binding part with a radius based on the center of the planar surface of the filter basket; a driving rail formed inside the extension body part and continuously formed from one end to the other end along the direction of the extension length; a binding part that is mounted on the driving rail in a structure capable of changing its sliding position along the direction of the extension length, is secured in a detachable structure by wrapping around the outer surface of the second binding part, and has a structure in which a magnetic member that attaches the second binding part by magnetism is embedded; and a linear drive unit that is mounted between the binding part and the driving rail and has a structure that changes the position of the binding part along the driving rail.

[0014] In one embodiment of the present invention, the coupling member may be configured to include: a grip member having a semicircular cross-sectional structure that surrounds the outer surface of the second coupling member of the joint member and has a radius equal to that of the outer surface of the second coupling member formed at the inner center; and a grip rotation drive member having a structure that rotates the grip member in place and is mounted as an integral structure on the upper part of the linear drive member.

[0015] In one embodiment of the present invention, the portafilter handle may be configured to include: an input unit mounted on the handle portion and receiving an input signal via a user's finger touch input to set the rotation angle of the filter basket by a rotary drive unit; an output unit mounted on the handle portion and outputting information regarding the input value and operating status input by the input unit 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 rotary drive unit according to the input signal input by the input unit. Effects of the invention

[0016] As described above, according to the portafilter handle of the present invention, by providing a joint part, a rotary drive part, and a handle part of a specific structure, 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

[0017] Figure 1 is a photograph showing a portafilter according to the prior art. FIG. 2 is an exploded assembly diagram showing a portafilter handle according to one embodiment of the present invention. Figure 3 is a plan view showing the portafilter handle shown in Figure 2 mounted on the filter basket. FIG. 4 is a plan view showing the state in which the filter basket is rotated by a predetermined angle by the operation of the rotary drive part of the portafilter handle shown in FIG. 3. FIG. 5 is an exploded assembly diagram showing a portafilter handle according to another embodiment of the present invention. Figure 6 is a cross-sectional view along line A-A' of Figure 5. Figure 7 is a cross-sectional view showing the operating state of the rotary drive unit illustrated in Figure 6. Specific details for implementing the invention

[0018] 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.

[0019] 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.

[0020] FIG. 2 shows an exploded assembly diagram illustrating a portafilter handle according to one embodiment of the present invention.

[0021] Referring to FIG. 2, the portafilter handle (100) according to the present embodiment is a portafilter handle (100) that is detachably mounted on the side of a filter basket (11) that holds ground coffee. By providing a joint part (110) of a specific structure, a rotary drive part (120), and a handle part (130), the problem of musculoskeletal disorders related to the wrist, arm, and shoulder can be solved when repeatedly performing the mounting operation to mount 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, thereby preventing the occurrence of musculoskeletal disorders in the user and maximizing the efficiency of using the coffee machine.

[0022] Hereinafter, each component constituting the portafilter handle (100) according to the present embodiment will be described in detail with reference to the drawings.

[0023] FIG. 3 shows a plan view showing the state in which the portafilter handle illustrated in FIG. 2 is mounted on the filter basket, FIG. 4 shows a plan view showing the state in which the filter basket is rotated by a predetermined angle by the operation of the rotary drive part of the portafilter handle illustrated in FIG. 3, and FIG. 5 shows an exploded assembly view showing a portafilter handle according to another embodiment of the present invention.

[0024] In addition, FIG. 6 shows a cross-sectional view along line A-A' of FIG. 5, and FIG. 7 shows a cross-sectional view indicating the operating state of the rotary drive unit shown in FIG. 6.

[0025] Referring to FIGS. 2 to 7, the joint portion (110) of the portafilter handle (100) according to the present embodiment is a structure that is detachably attached to a binding structure (13) formed on the side of a filter basket (11), and is formed to be detachably mounted to a rotary drive portion (120) at one end. The joint portion (100) is a structure that is custom-connected to a binding structure (13) formed on the side of a filter basket (11) of various specifications, and as a result, the portafilter handle (100) according to the present embodiment can also be universally applied to a filter basket (11) of various specifications according to the prior art.

[0026] The rotary drive unit (120) according to the present embodiment has a structure mounted internally that changes the position of the joint unit (110) to one side and is extended to one side by a predetermined length.

[0027] The handle portion (130) according to the present embodiment is mounted on one side of the rotary drive portion (120) and is extended by a predetermined length to be held by the user's hand.

[0028] Specifically, the joint part (110) according to the present embodiment may be configured to include a first binding part (111), an extension part (112), and a second binding part (113) of a specific structure, as shown in FIG. 5. The first binding part (111) of the joint part (110) is a structure that can be bolted to a binding structure formed on the side of the filter basket. The extension part (112) is a structure that is mounted as an integral structure at the center of one side of the first binding part (111) and extends to one side by a predetermined length. The second binding part (113) is a cylindrical protrusion structure formed as an integral structure at one end of the extension part (112), extended by a predetermined length, and mounted in a structure that is detachably mounted on the rotary drive part (120), and is composed of a metal material attached by a magnetic member (123c).

[0029] As illustrated in FIGS. 5 to 7, the rotary drive unit (120) according to the present embodiment may be configured to include an extension body part (121) of a specific structure, a driving rail (122), a connecting part (123), and a linear drive unit (124).

[0030] Specifically, the extension body part (121) of the rotary drive unit (120) is extended to one side by a predetermined length and extends in a curved structure with a radius of the length from the center of the planar surface of the filter basket to the second binding part (113). The driving rail (122) is formed inside the extension body part (121) and is formed continuously from one end to the other end along the direction of the extension length. The binding part (123) is configured to be mounted on the driving rail (122) in a structure that allows for sliding position changes along the direction of the extension length, and is a structure that is attached in a detachable manner by being seated in a form that wraps around the outer surface of the second binding part (113), and has a structure in which a magnetic member (123c) that attaches the second binding part (113) by magnetism is built in. The linear drive unit (124) is configured to be mounted between the connecting part (123) and the driving rail (122), and has a structure that changes the position of the connecting part (123) along the driving rail (122).

[0031] As illustrated in FIG. 6, the fastening portion (123) according to the present embodiment may be configured to include a grip member (123a) of a specific structure and a grip rotation drive portion (123d).

[0032] Specifically, the grip member (123a) of the binding part (123) is structured to rotate in a manner that wraps around the outer surface of the second binding part (113) of the joint part (110), and is a semicircular cross-sectional structure that wraps around the outer surface of the second binding part (113), and a seating groove (123b) having the same radius as the outer surface of the second binding part (113) is formed in the inner center. The grip rotation drive part (123d) is mounted as an integral structure on the upper part of the linear drive part (124) and is structured to rotate the grip member (123a) in place.

[0033] The portafilter handle (100) according to the present embodiment may be configured to include an input unit (141), an output unit (142), and a drive control unit (143) that perform specific roles, as shown in FIGS. 5 and 6.

[0034] Specifically, the input unit (141) is configured to be mounted on the handle unit (130) and can receive an input signal via a user's finger touch input to set the rotation angle of the filter basket by the rotation drive unit (120). The output unit (142) is configured to be mounted on the handle unit (130) and can output information regarding the input value and operating status input by the input unit (141) as visual and auditory signals. Additionally, the drive control unit (143) is configured to be mounted on the linear drive unit (124) and can control the operation of the linear drive unit (124) and the grip rotation drive unit (123d) according to the input signal input by the input unit (141).

[0035] 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.

[0036] 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

[0037] 10: Portafilter 11: Filter basket 12: Handle 13: Binding structure 100: Portafilter handle 110: Joint part 111: First binding part 112: Extension part 113: Second binding part 120: Rotary drive unit 121: Extension main body 122: Running rail 123: Fastener 123a: Grip member 123b: Seating groove 123c: Magnetic component 123d: Grip rotation drive unit 124: Linear drive unit 130: Handle part 141: Input section 142: Output section 143: Drive control unit

Claims

Claim 1 A portafilter handle (100) that is detachably mounted on the side of a filter basket (11) having a structure for storing ground coffee, comprising: a joint part (110) which is detachably mounted to a binding structure (13) formed on the side of the filter basket (11) and has a structure that is detachably mounted to a rotary drive part (120) at one end; a rotary drive part (120) which has a structure that is internally mounted to change the position of the joint part (110) to one side and is extended by a predetermined length to one side; and a handle part (130) which is mounted on one side of the rotary drive part (120) and is extended by a predetermined length to be held by the user's hand. Claim 2 A portafilter handle according to claim 1, wherein the joint portion (110) comprises: a first binding portion (111) having a structure that can be bolted to a binding structure formed on the side of the filter basket; an extension portion (112) having a structure that is mounted in an integral structure at the center of one side of the first binding portion (111) and extends to one side by a predetermined length; and a second binding portion (113) having a cylindrical protrusion structure formed in an integral structure at one end of the extension portion (112), extended by a predetermined length, and mounted in a structure that is detachably attached to a rotary drive portion (120), and is composed of a metal material attached by a magnetic member (123c). Claim 3 In paragraph 2, the rotary drive unit (120) comprises: an extended main body (121) that is extended by a predetermined length in one direction and has a curved structure extending to the second binding unit (113) with the radius being the length from the center of the planar surface of the filter basket; a driving rail (122) formed inside the extended main body (121) and continuously formed from one end to the other end along the direction of the extension length; and a binding unit (123) that is mounted on the driving rail (122) in a structure capable of changing its sliding position along the direction of the extension length, is secured in a detachable structure by wrapping around the outer surface of the second binding unit (113), and has a structure in which a magnetic member (123c) that attaches the second binding unit (113) by magnetism is embedded. A portafilter handle characterized by including: a linear drive unit (124) mounted between the connecting part (123) and the driving rail (122) and having a structure that changes the position of the connecting part (123) along the driving rail (122). Claim 4 In paragraph 3, the above-mentioned connecting part (123) is a grip member (123a) which is a semicircular cross-sectional structure that surrounds the outer surface of the second connecting part (113) of the joint part (110) and has a seating groove (123b) formed at the inner center having the same radius as the outer surface of the second connecting part (113); and a grip rotation driving part (123d) which is mounted as an integral structure on the upper part of the linear driving part (124) and has a structure that drives the grip member (123a) to rotate in place. Claim 5 In claim 4, the portafilter handle is characterized by comprising: an input unit (141) mounted on the handle portion (130) and receiving an input signal by a user's finger touch input to set the rotation angle of the filter basket by the rotation drive unit (120); an output unit (142) mounted on the handle portion (130) and outputting information regarding the input value and operating state input by the input unit (141) as visual and auditory signals; and a drive control unit (143) mounted on the linear drive unit (124) and controlling the operation of the linear drive unit (124) and the grip rotation drive unit (123d) according to the input signal input by the input unit (141).

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