CN118121072A - Coffee machine - Google Patents

Coffee machine Download PDF

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Publication number
CN118121072A
CN118121072A CN202410395564.3A CN202410395564A CN118121072A CN 118121072 A CN118121072 A CN 118121072A CN 202410395564 A CN202410395564 A CN 202410395564A CN 118121072 A CN118121072 A CN 118121072A
Authority
CN
China
Prior art keywords
brewing
coffee
piston
seat
head
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202410395564.3A
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Chinese (zh)
Inventor
邓强
张建华
杨毅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongshan O Beko Electric Appliances Co ltd
Original Assignee
Zhongshan O Beko Electric Appliances Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhongshan O Beko Electric Appliances Co ltd filed Critical Zhongshan O Beko Electric Appliances Co ltd
Priority to CN202410395564.3A priority Critical patent/CN118121072A/en
Publication of CN118121072A publication Critical patent/CN118121072A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a coffee machine, which comprises a body, a brewing seat movably arranged on the body in the vertical direction and a vertical driving mechanism, wherein the vertical driving mechanism drives the brewing seat to reciprocate up and down, a brewing head, a coffee funnel and a transverse driving mechanism are movably arranged on the body in the horizontal direction, the transverse driving mechanism drives the brewing head and the coffee funnel to reciprocate independently or synchronously, when the coffee funnel moves to be aligned up and down with a brewing cavity of the brewing seat, a powder outlet of the body, the coffee funnel and the brewing cavity are communicated, and when the brewing head moves to be aligned up and down with the brewing cavity of the brewing seat, the vertical driving mechanism enables the brewing cavity to move up to be matched with the brewing head. According to the coffee machine, the coffee funnel uniformly drops powder to the brewing cavity, so that the quality of coffee is guaranteed.

Description

Coffee machine
Technical Field
The invention relates to the technical field of coffee machines, in particular to a full-automatic coffee machine.
Background
At present, a plurality of full-automatic coffee machines designed for realizing the rapid coffee making are available on the market, and the coffee making process comprises the steps of grinding beans, filling, pressing powder, brewing, deslagging, cleaning and the like. Wherein the brewing seat is the key component for accomplishing the above steps.
In CN105212743 a coffee machine is disclosed, which comprises a horizontal brewing head arranged on the body, a horizontal brewing cup with a filling opening. The power mechanism actuates the horizontal brewing cup to reciprocate along the transverse axis so that the horizontal brewing cup is connected with or separated from the horizontal brewing head to brew coffee, and the coffee machine has the defect of uneven distribution of coffee powder.
Because the brewing cup is horizontally arranged, the coffee powder enters the brewing cavity from the powder outlet through the discharging hopper, and the coffee powder is unevenly distributed (more bottom coffee powder and less top coffee powder) due to the gravity action and the transverse arrangement of the brewing cavity. The uneven distribution of the coffee powder causes uneven density of coffee cakes (big bottom and small top) when the brewing head and the brewing cavity are pressed. The coffee quality is reduced by channeling during the hot water brewing extraction of coffee due to non-uniform coffee cake density.
Disclosure of Invention
It is an object of the present invention to provide a coffee machine in which the density of the coffee cake is relatively uniform.
The object of the present invention is thus achieved.
The body is provided with a plurality of grooves,
A brewing seat movably arranged on the body in the vertical direction and a vertical driving mechanism, wherein the vertical driving mechanism drives the brewing seat to reciprocate up and down, a brewing head, a coffee funnel and a transverse driving mechanism are movably arranged on the body in the horizontal direction, the transverse driving mechanism drives the brewing head and the coffee funnel to reciprocate independently or synchronously,
When the coffee funnel moves to be aligned with the brewing cavity of the brewing seat, the powder outlet of the body, the coffee funnel and the brewing cavity are communicated,
When the brewing head moves to be aligned with the brewing cavity of the brewing seat, the vertical driving mechanism enables the brewing cavity to move upwards to be matched with the brewing head.
The above technical solution can be further perfected as follows.
Further, the transverse driving mechanism comprises a first motor, a first screw rod and a first nut, the first screw rod is vertically arranged on the body, the first nut is in threaded connection with the first screw rod, the first motor drives the first screw rod to rotate, the brewing head and the coffee funnel are arranged on the fixing seat side by side, the fixing seat moves along the first screw rod along with the first screw rod, and then the brewing head and the coffee funnel are driven to synchronously move, so that the brewing head or the coffee funnel is aligned with the brewing cavity up and down, and when the coffee funnel moves to the brewing cavity to be staggered up and down, the powder outlet of the body is plugged.
Further, the transverse driving mechanism comprises a first motor, the brewing head and the coffee funnel are arranged on the fixing seat, the first motor drives the fixing seat to rotate, so that the brewing head or the coffee funnel is aligned with the brewing cavity up and down, and when the coffee funnel is staggered from the brewing cavity, the fixing seat seals the powder outlet.
Further, the brewing seat and the vertical driving mechanism are arranged side by side, and the vertical driving mechanism is arranged on the body at one side of the brewing seat.
Further, the vertical driving mechanism comprises a vertical driving source, a second screw rod and a second nut, the second screw rod is vertically arranged on the body on one side of the brewing seat, the second nut is in threaded connection with the second screw rod, the vertical driving source drives the second screw rod to rotate, and the second nut moves along the second screw rod to drive the brewing seat to move up and down.
Further, the brewing seat comprises a fixed support, a brewing cup, a piston and a piston pushing seat, the vertical driving mechanism drives the fixed support to reciprocate up and down, the brewing cup is detachably arranged on the fixed support, the piston is arranged in a brewing cavity of the brewing cup, and the piston and the brewing cavity are coaxial and have relative displacement in the up-down direction. The bottom of the piston extends out of the brewing cup and is detachably connected and fixed with the piston pushing seat, an elastic buckle device is arranged between the piston pushing seat and the body,
Further, the fixed bracket drives the brewing cup to move upwards to be close to the brewing head or the coffee funnel until the piston moves downwards to the lowest position in the brewing cavity relative to the brewing cup, the brewing cup drives the piston to move upwards, the piston moves upwards further to drive the piston pushing seat to overcome the resistance of the elastic buckle device to move upwards, the brewing cavity is sleeved through the brewing head, the resistance of the elastic buckle device is larger than the friction force between the piston and the brewing cavity,
Further, the fixed support drives the brewing cup to move downwards, the piston and the piston pushing seat move downwards along with the downwards movement of the brewing cup until the elastic buckle device limits the downwards movement of the piston pushing seat, the brewing cup continues to move downwards, and the piston moves relatively to the highest position in the brewing cavity.
Further, the bottom of the coffee funnel extends downwards to form a scum scraping plate. The automatic slag discharge is realized by utilizing the movement of the coffee funnel.
Further, the scum scraping plate is arranged on one side of the coffee funnel away from the brewing head.
Further, the brewing seat is provided with a avoidance position corresponding to the slag scraping plate. Avoiding interfering with the compaction of the coffee powder by the brewing cup and the brewing head.
Further, the elastic buckle device comprises a spring, a limiting piece and a concave position, wherein the spring and the limiting piece are arranged on the body, the concave position is arranged on the outer side of the piston pushing seat, the limiting piece is horizontally inserted into the concave position by the aid of elastic force of the spring, and after the limiting piece is separated from the concave position, the limiting piece is abutted against the outer side face of the piston pushing seat by the aid of elastic force of the spring. The elastic buckle device has simple structure.
According to the coffee machine, the coffee funnel uniformly drops powder to the brewing cavity, so that the quality of coffee is guaranteed. Meanwhile, the coffee funnel can move relative to the powder outlet, so that two states of filling powder through the powder outlet and sealing the powder outlet can be realized, the coffee powder and the coffee beans can be prevented from being fumigated by steam for brewing by sealing the powder outlet, and the coffee powder and the coffee beans are kept dry.
Drawings
Fig. 1 is a schematic cross-sectional view of a coffee funnel and a brewing chamber coaxial in accordance with a first embodiment.
Fig. 2 is a schematic cross-sectional view of the brewing chamber close to the coffee funnel according to the first embodiment.
Fig. 3 is a schematic cross-sectional view of a coffee funnel filling a brewing chamber according to the first embodiment.
Fig. 4 is a schematic cross-sectional view of the brewing head and the brewing chamber coaxial with each other in the first embodiment.
Fig. 5 is a schematic cross-sectional view of a compact coffee powder brewing chamber and a brew head in accordance with a first embodiment.
Fig. 6 is a schematic cross-sectional view of the brewing base detached from the brewing head in the first embodiment.
Fig. 7 is a schematic cross-sectional view of a coffee pad ejected from a brewing base according to the first embodiment.
Fig. 8 is a schematic cross-sectional view of a coffee funnel pushing a coffee cake away from a brewing base in the first embodiment.
FIG. 9 is a schematic view showing a horizontal cross-sectional structure of a coffee funnel and a brew head according to a first embodiment
Fig. 10 is a schematic cross-sectional view of the brewing head and the brewing chamber in the first embodiment.
Fig. 11 is a schematic view showing another cross-sectional structure of the coffee funnel and the brewing chamber coaxial in the first embodiment.
Fig. 12 is a schematic view showing a horizontal cross-sectional structure of the coffee funnel and the brewing chamber in the second embodiment.
Fig. 13 is a schematic view showing a cross-sectional structure of the brewing head and the brewing chamber in the second embodiment in a horizontal direction.
Detailed Description
The invention is further described below with reference to the drawings and examples.
Referring to fig. 1-11, a coffee machine includes a main body 1, a brewing seat 2 movably disposed on the main body 1 in a vertical direction, and a vertical driving mechanism 3, wherein the vertical driving mechanism 3 drives the brewing seat 2 to reciprocate up and down,
The brewing head 8, the coffee funnel 9 and the transverse driving mechanism 7 are movably arranged on the body 1 in the horizontal direction, the transverse driving mechanism 7 drives the brewing head 8 and the coffee funnel 9 to independently or synchronously reciprocate, when the coffee funnel 9 moves to be aligned with the brewing cavity 40 of the brewing seat 2 up and down, the powder outlet 10 of the body 1, the coffee funnel 9 and the brewing cavity 40 are communicated, when the coffee funnel 9 moves to be staggered up and down from the brewing cavity 40, the powder outlet 10 of the body 1 is blocked, and when the brewing head 8 moves to be aligned with the brewing cavity 40 of the brewing seat 2 up and down, the vertical driving mechanism 3 enables the brewing cavity 40 to be sleeved through the brewing head 8.
The brewing seat 2 and the vertical driving mechanism 3 are arranged side by side, and the vertical driving mechanism 3 is arranged on the body 1 at one side of the brewing seat 2.
The vertical driving mechanism 3 comprises a vertical driving source 30, a second screw rod 31 and a second nut 32, the second screw rod 31 is vertically arranged on the body 1 on one side of the brewing seat 2, a thread connecting sleeve of the second nut 32 penetrates through the second screw rod 31, the vertical driving source 30 drives the second screw rod 31 to rotate, and the second nut 32 moves along the second screw rod 31 to drive the brewing seat 2 to move up and down. Preferably, the vertical driving source 30 includes a vertical motor 33 and a decelerator 34, and the vertical motor 33 drives the second screw 31 to rotate through the decelerator 34.
The brewing seat 2 comprises a fixed support 21, a brewing cup 4, a piston 5 and a piston pushing seat 6. The vertical driving mechanism 3 drives the fixing bracket 21 to reciprocate up and down. The brewing cup 4 is detachably arranged on the fixed support 21. The piston 5 is arranged in the brewing chamber 40 of the brewing cup 4, the piston 5 and the brewing chamber 40 being coaxial and having a relative displacement in the up-down direction. The bottom of the piston 5 extends out of the brewing cup 4 and is detachably connected and fixed with the piston pushing seat 6. An elastic buckle device 100 is arranged between the piston pushing seat 6 and the body 1. Specifically, in order to facilitate taking out and cleaning of the brewing cup 4, an inverted T-shaped groove 61 is formed in the bottom of the piston push seat 6, the bottom of the piston 5 is inverted T-shaped, the inverted T-shaped groove 61 and the fixing support 21 are opened on one side opposite to the second nut 32, the bottom of the piston 5 can be inserted into the inverted T-shaped groove 61, a convex rib 41 is arranged on the side face of the brewing cup 4, a clamping groove 23 is formed in the inner side of the fixing support 21, the brewing cup 4 is inserted into the fixing support 21, and the convex rib 41 is inserted into the clamping groove 23, so that the brewing cup 4 and the fixing support 21 can move up and down synchronously.
The fixing support 21 drives the brewing cup 4 to move upwards to be close to the brewing head 8 or the coffee funnel 9 until the piston 5 moves downwards to the lowest position in the brewing cavity 40 relative to the brewing cup 4, the brewing cup 4 drives the piston 5 to move upwards, and then the piston 5 moves upwards to drive the piston pushing seat 6 to move upwards against the resistance of the elastic buckle device 100, so that the brewing cavity 40 is sleeved through the brewing head 8. The resistance of the elastic snap means 100 is greater than the friction between the piston 5 and the brewing chamber 40 of the elastic snap means 100.
The fixing support 21 drives the brewing cup 4 to move downwards, the piston 5 and the piston pushing seat 6 move downwards along with the downward movement of the brewing cup 4 until the elastic clamping device 100 limits the downward movement of the piston pushing seat 6, the brewing cup 4 continues to move downwards, and the piston 5 moves relatively to the highest position in the brewing cavity 40 when the brewing cup 4 moves upwards.
The bottom of the coffee funnel 9 extends downwards out of the scraper 91. Preferably, the scraper 91 is arranged at the side of the coffee funnel 9 remote from the brew head 8. The fixing bracket 21 is provided with a clearance 22 corresponding to the slag scraping plate 91.
The elastic buckle device 100 comprises a spring 101 and a limiting piece 102 which are arranged on the body 1, and a concave position 60 arranged on the outer side of the piston pushing seat 6, wherein the elastic force of the spring 101 enables the limiting piece 102 to be horizontally inserted into the concave position 60, and when the limiting piece 102 is separated from the concave position 60, the elastic force of the spring 101 enables the limiting piece 102 to be propped against the outer side face of the piston pushing seat 6. The stop 102 may be a bump or a ball.
The transverse driving mechanism 7 comprises a first motor 70, a first screw rod 71 and a first nut 72, the first screw rod 71 is vertically arranged on the body 1 above the brewing seat 2, a thread connecting sleeve of the first nut 72 penetrates through the first screw rod 71, the first motor 70 drives the first screw rod 71 to rotate, the brewing head 8 and the coffee funnel 9 are arranged on the fixing seat 73 side by side, the fixing seat 73 moves along with the first screw rod 72, and then the brewing head 8 and the coffee funnel 9 are driven to synchronously move, so that the brewing head 8 or the coffee funnel 9 is aligned with the brewing cavity 40 up and down, and when the coffee funnel 9 and the brewing cavity 40 are not coaxial, the fixing seat 73 seals the powder outlet 10. The first motor 70 is a first motor.
The top of the coffee funnel 9 passes through the fixing seat 73.
The coffee machine works as follows.
Referring to fig. 1, the coffee maker is in an initial state, the coffee funnel 9 and the brewing chamber 40 are aligned up and down, the piston pushing seat 6, the piston 5, the brewing cup 4, and the fixing support 21 are in a lowest position, wherein the piston 5 is in a highest position in the brewing chamber 40 of the brewing cup 4, i.e. the top surface of the piston 5 is flush or slightly higher than the top opening of the brewing chamber 40.
Referring to fig. 2, the vertical driving mechanism 3 drives the fixing support 21 and the brewing cup 4 to move upwards, the elastic buckle device 100 limits the piston pushing seat 6 to move upwards, so that the piston 5 moves downwards relative to the brewing cup 4, the piston 5 moves to the lowest position in the brewing cavity 40 of the brewing cup 4, and the vertical driving mechanism 3 stops running. At this point, the coffee funnel 9 and the brew chamber 40 are close in top, and the scraper 91 is placed in the relief 22.
Referring to fig. 3, the bean grinding mechanism 200 of the body 1 works to grind coffee beans into coffee powder, and the coffee powder vertically falls into the brewing chamber 40 from the powder outlet 10 through the coffee funnel 9 until the powder filling amount of the coffee powder reaches a preset value.
Referring to fig. 4, the lateral drive mechanism 7 drives the coffee funnel 9 away from above the brew chamber 40 and moves the brew head 8 over the brew chamber 40, with the brew head 8 and the brew chamber 40 aligned up and down.
Referring to fig. 5, the vertical driving mechanism 3 drives the fixing support 21 and the brewing cup 4 to move upwards continuously, at this time, the brewing cup 4 drives the piston 5 to move upwards, so that the limiting piece 102 is separated from the concave position 60, and the piston pushing seat 6 moves upwards along with the piston 5. At the same time, the brewing cup 4 moves upwards to enable the brewing head 8 to move downwards relatively to be sleeved in the brewing cavity 40, and the piston 5 and the brewing head 8 squeeze the coffee powder into coffee cakes. The brew head 8 then starts to brew coffee.
Referring to fig. 6, after coffee brewing is completed, the vertical driving mechanism 3 moves reversely, and as the friction force between the piston 5 and the brewing chamber 40 is greater than the friction force between the limiting piece 102 and the side surface of the piston pushing seat 6, the fixing support 21, the brewing cup 4, the piston 5 and the piston pushing seat 6 move downwards integrally until the limiting piece 102 is clamped into the concave position 60, so that the brewing head 8 is separated from the brewing chamber 40.
Referring to fig. 7, the vertical driving mechanism 3 continues to drive the fixed support 21 and the brewing cup 4 to move downwards, the piston 5 is limited by the piston pushing seat 6, the piston 5 relatively moves upwards to the highest position of the brewing cavity 40 in the brewing cup 4, namely the top surface of the piston 5 is flush with the top opening of the brewing cavity 40, and the vertical driving mechanism 3 stops running.
Referring to fig. 8, the transverse driving mechanism 7 moves reversely to enable the brewing head 8 and the coffee funnel 9 to pass through the brewing cavity 40 in sequence, and the coffee cake is pushed away from the top surface of the piston 5 by the slag scraping plate 91 of the coffee funnel 9, so that slag discharge is realized.
The lateral drive mechanism 7 is then moved to move the coffee funnel 9 into up-down alignment with the brew chamber 40, whereupon the coffee maker returns to its original state.
In a second embodiment, see fig. 12 and 13, which differ from the first embodiment in the way in which the transverse drive 7 operates. In this embodiment, the transverse driving mechanism 7 comprises a first motor, the brewing head 8 and the coffee funnel 9 are arranged on the fixing seat 73, and the first motor 70 drives the fixing seat 73 to rotate so as to align the brewing head 8 or the coffee funnel 9 with the brewing cavity 40 up and down.
It should be noted that the coffee machine includes an electric control device, and the above-mentioned process can be automatically completed by control of the electric control device through a preset program.
The vertical direction mentioned in the present invention is not an absolute vertical direction, but a vertical direction within a deflection range of 10 °, preferably a vertical direction controlled within a deflection range of 5 °.

Claims (10)

1. A coffee machine is characterized by comprising
The body is provided with a plurality of grooves,
A brewing seat movably arranged on the body in the vertical direction and a vertical driving mechanism, wherein the vertical driving mechanism drives the brewing seat to reciprocate up and down, a brewing head, a coffee funnel and a transverse driving mechanism are movably arranged on the body in the horizontal direction, the transverse driving mechanism drives the brewing head and the coffee funnel to reciprocate independently or synchronously,
When the coffee funnel moves to be aligned with the brewing cavity of the brewing seat, the powder outlet of the body, the coffee funnel and the brewing cavity are communicated,
When the brewing head moves to be aligned with the brewing cavity of the brewing seat, the vertical driving mechanism enables the brewing cavity to move upwards to be matched with the brewing head.
2. The coffee machine of claim 1 wherein the transverse driving mechanism comprises a first motor, a first screw and a first nut, the first screw is vertically arranged on the body, the first nut is in threaded connection with the first screw, the first motor drives the first screw to rotate, the brewing head and the coffee funnel are arranged on the fixing seat side by side, the fixing seat moves along the first screw along with the first screw, and further drives the brewing head and the coffee funnel to synchronously move, so that the brewing head or the coffee funnel is aligned with the brewing cavity up and down,
When the coffee funnel moves to the brewing cavity to be staggered up and down, the powder outlet of the body is blocked.
3. The coffee machine of claim 1 wherein the transverse drive mechanism includes a first motor, the brew head and the coffee funnel being disposed on the mount, the first motor driving the mount to rotate to align the brew head or the coffee funnel up and down with the brew chamber,
When the coffee funnel is staggered up and down with the brewing cavity, the fixed seat seals the powder outlet.
4. A coffee machine according to claim 1, wherein the brewing base and the vertical drive mechanism are arranged side by side, the vertical drive mechanism being arranged on the body on one side of the brewing base.
5. The coffee machine of claim 1, wherein the vertical driving mechanism comprises a vertical driving source, a second screw rod and a second nut, the second screw rod is vertically arranged on the body on one side of the brewing seat, the second nut is in threaded connection with the second screw rod, the vertical driving source drives the second screw rod to rotate, and the second nut moves along the second screw rod to drive the brewing seat to move up and down.
6. The coffee machine of claim 1, wherein the brewing base comprises a fixed support, a brewing cup, a piston and a piston pushing base, the vertical driving mechanism drives the fixed support to reciprocate up and down, the brewing cup is detachably arranged on the fixed support, the piston is arranged in a brewing cavity of the brewing cup, the piston and the brewing cavity are coaxial and have relative displacement in the up-down direction,
The bottom of the piston extends out of the brewing cup and is detachably connected and fixed with the piston pushing seat, an elastic buckle device is arranged between the piston pushing seat and the body,
The fixed bracket drives the brewing cup to move upwards to be close to the brewing head or the coffee funnel until the piston moves downwards to the lowest position in the brewing cavity relative to the brewing cup, the brewing cup drives the piston to move upwards, the piston moves upwards further to drive the piston pushing seat to overcome the resistance of the elastic buckle device to move upwards, the brewing cavity is sleeved through the brewing head, the resistance of the elastic buckle device is larger than the friction force between the piston and the brewing cavity,
The fixed support drives the brewing cup to move downwards, the piston and the piston pushing seat move downwards along with the downward movement of the brewing cup until the elastic buckle device limits the downward movement of the piston pushing seat, the brewing cup continues to move downwards, and the piston moves relatively to the upper position of the brewing cup in the brewing cavity.
7. A coffee machine as claimed in claim 1, characterized in that the bottom of the coffee funnel extends downwards out of the scraper plate.
8. The coffee machine of claim 7, wherein the scum plate is disposed on a side of the coffee funnel remote from the brew head.
9. The coffee machine of claim 8, wherein the brewing seat is provided with a relief corresponding to the scum scraping plate.
10. The coffee machine of claim 6 wherein the elastic buckle device comprises a spring and a limiting piece arranged on the body, and a concave position arranged on the outer side of the piston pushing seat, wherein the elastic force of the spring enables the limiting piece to be horizontally inserted into the concave position, and when the limiting piece is separated from the concave position, the elastic force of the spring enables the limiting piece to be propped against the outer side surface of the piston pushing seat.
CN202410395564.3A 2024-04-02 2024-04-02 Coffee machine Pending CN118121072A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202410395564.3A CN118121072A (en) 2024-04-02 2024-04-02 Coffee machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202410395564.3A CN118121072A (en) 2024-04-02 2024-04-02 Coffee machine

Publications (1)

Publication Number Publication Date
CN118121072A true CN118121072A (en) 2024-06-04

Family

ID=91242654

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202410395564.3A Pending CN118121072A (en) 2024-04-02 2024-04-02 Coffee machine

Country Status (1)

Country Link
CN (1) CN118121072A (en)

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