Brewing device convenient to disassemble and clean

Abstract

The utility model relates to the technical field of brewing devices, in particular to a brewing device convenient to disassemble and clean. Comprising an upper plunger assembly and a lower plunger assembly, and the upper plunger assembly and the lower plunger assembly are used for conducting cake pressing operation on coffee together. The upper plunger assembly comprises an upper plunger and an upper lead screw, and the upper plunger is connected with the upper lead screw in a clamped mode. The lower plunger assembly comprises a brewing barrel, a lower plunger, a lower lead screw and a backing ring, the lower lead screw is in threaded connection with the brewing barrel and moves in the axial direction of the brewing barrel, one end of the lower lead screw is clamped with the lower plunger, and the end, away from the lower plunger, of the lower lead screw is clamped with the backing ring; when the lower screw rod works, the backing ring is always positioned outside the brewing barrel, and the lower plunger is always positioned inside the brewing barrel; after the backing ring is separated from the lower screw rod, the lower plunger can extend out of the brewing barrel; according to the utility model, the upper plunger and the lower plunger can be detached and cleaned conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to brewing device technical field, especially brewer convenient to disassemble and clean. BACKGROUND

[0002] The brewing unit of the coffee machine is the core component of the coffee machine for brewing coffee, and also becomes the brewing core; the brewer is usually composed of a driving module and a brewer body, and the brewer body is detachably connected with the driving module; the brewer body comprises a main support, a brewing cylinder, an upper plunger and a lower plunger, the brewing cylinder is connected with the main support, the lower plunger is connected with a lower lead screw, the lower lead screw moves in the brewing cylinder driven by a motor, the upper plunger is connected with an upper lead screw, and the upper lead screw moves on the main support driven by a motor.

[0003] However, in the existing brewer, the upper plunger and the upper lead screw, and the lower plunger and the lower lead screw are detachably connected through screws, and in the working process of the brewer, the cake operation of coffee powder is realized through the movement of the upper plunger and the lower plunger, the lower plunger only moves in the brewing cavity, and after working for a period of time, coffee residues will inevitably accumulate between the upper plunger and the upper filter screen and the upper plunger sealing ring, and between the lower plunger and the lower filter screen and the lower plunger sealing ring, and in view of the safety requirements of the beverage, it is necessary to disassemble and clean.

[0004] Therefore, it is urgent to provide a brewer convenient to disassemble and clean, which is convenient to disassemble compared with the prior art. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problems existing in the prior art, and provides a brewer convenient to disassemble and clean.

[0006] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0007] The application discloses a brewing device which is convenient to disassemble and clean, comprising an upper plunger assembly and a lower plunger assembly which are used for jointly performing a cake pressing operation on coffee; the upper plunger assembly comprises an upper plunger and an upper lead screw which are connected through a joint; the lower plunger assembly comprises a brewing cylinder, a lower plunger, a lower lead screw and a spacer ring; the lower lead screw is threadedly connected with the brewing cylinder and moves along the axial direction of the brewing cylinder; one end of the lower lead screw is connected with the lower plunger; the end of the lower lead screw which is away from the lower plunger is connected with the spacer ring; during the operation of the lower lead screw, the spacer ring is always located outside the brewing cylinder, and the lower plunger is always located inside the brewing cylinder; after the spacer ring is separated from the lower lead screw, the lower plunger can extend out of the brewing cylinder.

[0008] Further, the lower lead screw is fixedly connected with a limiting plate at one end which is away from the lower plunger; a plurality of third lower grooves are arranged on the limiting plate in the circumferential direction; the spacer ring is provided with an opening; a plurality of limiting blocks are arranged on the lower end of the spacer ring; the limiting blocks are arranged in one-to-one correspondence with the third lower grooves; and the limiting blocks are connected in the corresponding third lower grooves.

[0009] Further, the inner wall of the brewing cylinder is provided with a sliding block; the side wall of the lower lead screw is provided with a sliding groove in the axial direction; and the sliding block slides in the sliding groove.

[0010] Further, the lower plunger comprises an integrally connected lower disc part and a lower cylindrical part; the side wall of the lower cylindrical part is connected with a plurality of first lower protrusions and a plurality of second lower protrusions; the first lower protrusions and the second lower protrusions are arranged in correspondence; the first lower protrusions are arranged between the lower disc part and the second lower protrusions; the inner wall of the lower lead screw is provided with a plurality of first lower clamping blocks; the side wall of the first lower clamping blocks is provided with second lower grooves; the first lower clamping blocks are connected in correspondence between the lower disc part and the second lower protrusions; and the first lower protrusions are connected in the second lower grooves.

[0011] Further, one end of the lower wall of the first lower clamping block is provided with a second lower clamping block; and the side wall of the second lower clamping block is in contact with the side wall of the second lower protrusion.

[0012] Further, the end face of the lower disc part which is away from the lower cylindrical part is connected with a lower filter screen through a screw; the side wall of the lower disc part is provided with a first lower groove; and a lower sealing ring is arranged in the first lower groove.

[0013] Further, the lower lead screw drives the lower plunger to move in the brewing cylinder through a connected motor.

[0014] Further, the upper plunger comprises an integrally connected upper disc part and upper cylindrical part, the side wall of the upper cylindrical part is connected with a plurality of first upper protrusions and a plurality of second upper protrusions, the first upper protrusions and the second upper protrusions are correspondingly arranged, the first upper protrusions are arranged between the upper disc part and the second upper protrusions, the inner wall of the upper lead screw is provided with a plurality of first upper clamping blocks, the side wall of the first upper clamping block is provided with a second upper groove, the first upper clamping block is correspondingly clamped between the upper disc part and the second upper protrusion, and the first upper protrusion is clamped in the second upper groove.

[0015] Further, one end of the lower wall of the first upper clamping block is provided with a second upper clamping block, and the side wall of the second upper clamping block is in contact with the side wall of the second upper protrusion.

[0016] Further, the end face of the upper disc part away from the upper cylindrical part is connected with an upper filter screen through a screw, and the side wall of the upper disc part is provided with a first upper groove, and the first upper groove is internally provided with an upper sealing ring.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] (1) When the lower plunger assembly is cleaned, the gasket ring is first removed, the lower lead screw is moved to the uppermost end of the brewing cylinder, at this time, the lower plunger is arranged outside the brewing cylinder, the lower plunger is rotated to separate the lower plunger from the lower lead screw, and then the lower plunger is cleaned, after cleaning, the lower plunger is rotated and installed on the upper end of the lower lead screw, then the lower lead screw is moved downward, the gasket ring is sleeved on the limiting plate, and the lower plunger assembly can normally work, so that the lower plunger assembly is quickly and conveniently disassembled and cleaned.

[0019] (2) When the upper plunger assembly is cleaned, the upper plunger is rotated to separate the upper lead screw from the upper plunger, so that the upper lead screw and the upper plunger are quickly disassembled, after cleaning, the upper lead screw and the upper plunger are rotated and clamped, and subsequent installation is facilitated. DRAWINGS

[0020] Figure 1 is a structure schematic view of the upper plunger assembly of the utility model.

[0021] Figure 2 is a structure schematic view of the upper plunger of the utility model.

[0022] Figure 3 is a structure schematic view of the upper lead screw of the utility model.

[0023] Figure 4 is a structure schematic view of the lower plunger assembly of the utility model.

[0024] Figure 5 is a schematic view of the utility model showing the connection relationship among the lower filter screen, the lower plunger and the lower lead screw.

[0025] Figure 6 is the structure diagram of the lower plunger of the utility model.

[0026] Figure 7 is the structure diagram of the lower screw rod of the utility model.

[0027] Figure 8 is the structure diagram of the gasket ring of the utility model.

[0028] Figure 9 is the schematic diagram of the brewing device standby state of the utility model.

[0029] Figure 10 is the schematic diagram of the brewing device slagging state of the utility model.

[0030] Figure 11 is the schematic diagram of the brewing device cleaning state of the utility model.

[0031] Explanation of reference signs:

[0032] 1, upper plunger assembly; 11, upper filter screen; 12, upper plunger; 121, upper disc part; 122, upper cylindrical part; 123, first upper groove; 124, first upper protruding block; 125, second upper protruding block; 13, upper screw rod; 131, upper through hole; 132, first upper clamping block; 133, second upper clamping block; 134, second upper groove; 14, upper sealing ring; 2, lower plunger assembly; 21, brewing cylinder; 211, sliding block; 22, lower filter screen; 23, lower plunger; 231, lower disc part; 232, lower cylindrical part; 233, first lower groove; 234, first lower protruding block; 235, second lower protruding block; 24, lower screw rod; 241, lower through hole; 242, first lower clamping block; 243, second lower clamping block; 244, second lower groove; 245, third lower groove; 246, sliding groove; 247, limiting plate; 25, lower sealing ring; 26, gasket ring; 261, limiting block; 262, opening. DETAILED DESCRIPTION

[0033] The technical solutions of the utility model will be described clearly below in combination with the drawings. Obviously, the described embodiments are not all the embodiments of the utility model, and all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model. It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0034] The utility model provides a kind of brewing device convenient to disassemble and clean, including upper plunger assembly 1 and lower plunger assembly 2, upper plunger assembly 1, lower plunger assembly 2 are connected on main body support, lower plunger assembly 2 and upper plunger assembly 1 are operated together to coffee cake pressing.

[0035] As Figure 1 、 Figure 2 、 Figure 3 Indicated, upper plunger assembly 1 includes upper filter screen 11, upper plunger 12 and upper lead screw 13, upper filter screen 11 and upper lead screw 13 are connected at the two ends of upper plunger 12 respectively;Upper filter screen 11 is detachably connected on upper plunger 12, upper filter screen 11 is detachably connected with upper plunger 12 by screw, upper lead screw 13 is detachably connected with upper plunger 12.

[0036] Upper plunger 12 includes upper disc part 121 and upper cylindrical part 122, upper disc part 121 is connected with upper filter screen 11, and the side wall of upper disc part 121 is provided with first upper groove 123, which is annular, first upper groove 123 is internally mounted with upper sealing ring 14, to realize sealing effect;Upper cylindrical part 122 is connected with upper lead screw 13, and a plurality of second upper lugs 125 are fixedly connected on the side wall of upper cylindrical part 122, the plurality of second upper lugs 125 are arranged at intervals along the circumference of upper cylindrical part 122, a first upper lug 124 is arranged on the upper portion of each second upper lug 125, the first upper lug 124 is fixedly connected on the side wall of upper cylindrical part 122, the upper end of first upper lug 124 is connected with the lower wall of upper disc part 121, and the lower end of first upper lug 124 is connected with the upper wall of second upper lug 125, upper lead screw 13 is provided with upper through hole 131, which is arranged through upper lead screw 13 along the axial direction of upper lead screw 13, and a plurality of first upper clamping blocks 132 are arranged on the inner wall of upper through hole 131, the side wall of first upper clamping block 132 is provided with first upper groove 123, and one end of the lower wall of first upper clamping block 132 is fixedly connected with second upper clamping block 133;The number of second upper lugs 125 is the same as that of first upper clamping blocks 132, and the number of first upper lugs 124 is the same as that of second upper grooves 134.

[0037] When the upper cylindrical part 122 is connected with the upper screw rod 13, the upper cylindrical part 122 is extended into the upper through hole 131 of the upper screw rod 13, at this time, the second upper protrusion 125 corresponds to the position where the first upper clamping block 132 is not arranged in the upper through hole 131, when the upper cylindrical part 122 is extended into the upper through hole 131, the upper screw rod 13 is rotated, the first upper clamping block 132 is extended to the position between the second upper protrusion 125 and the upper disc part 121, the first upper clamping block 124 is extended into the inside of the second upper groove 134, the side wall of the second upper protrusion 125 is in contact with the second upper clamping block 133, the second upper clamping block 133 prevents the second upper protrusion 125 from continuing to move, the first upper clamping block 132 is clamped between the second upper protrusion 125 and the disc part, the first upper clamping block 124 is clamped in the inside of the second upper groove 134, the clamping and fixing between the upper cylindrical part 122 and the upper screw rod 13 is realized; when the upper plunger assembly 1 needs to be cleaned, the upper screw rod 13 is reversely and forcibly rotated, the first upper clamping block 132 is slid out from between the second upper protrusion 125 and the upper disc part 121, at the same time, the first upper clamping block 124 is slid out from the inside of the second upper groove 134, the separation of the upper screw rod 13 and the upper plunger 12 is realized, and the cleaning of the upper screw rod 13 and the upper plunger 12 is facilitated.

[0038] As shown in Figure 4 , Figure 5 , the lower plunger assembly 2 comprises a brewing cylinder 21, a lower filter screen 22, a lower plunger 23 and a lower screw rod 24, the lower plunger 23 is slidably connected in the inside of the brewing cylinder 21, the two ends of the lower plunger 23 are connected with the lower filter screen 22 and the lower screw rod 24 respectively, the lower plunger 23 is detachably connected with the lower filter screen 22 and the lower screw rod 24, the lower screw rod 24 is threadedly connected with the brewing cylinder 21, and the lower screw rod 24 is driven by a motor to make the lower plunger 23 move up and down in the brewing cylinder 21.

[0039] As shown in Figure 5 , Figure 6 , Figure 7 , the lower plunger 23 comprises a lower disc part 231 and a lower cylindrical part 232, the side wall of the lower disc part 231 is provided with a first lower groove 233, the first lower groove 233 is annular, and a lower sealing ring 25 is arranged in the inside of the first lower groove 233 to realize sealing effect; the lower disc part 231 is connected with the lower filter screen 22 through screws, and the lower cylindrical part 232 is detachably connected with the lower screw rod 24.

[0040] The side wall of the lower cylindrical part 232 is fixedly connected with a plurality of second lower protrusions 235, which are arranged at intervals along the circumference of the lower cylindrical part 232. Each second lower protrusion 235 is provided with a first lower protrusion 234 at the upper portion thereof. The first lower protrusion 234 is fixedly connected to the side wall of the lower cylindrical part 232. The upper end of the first lower protrusion 234 is connected to the lower wall of the lower disc part 231. The lower end of the first lower protrusion 234 is connected to the upper wall of the second lower protrusion 235. The lower lead screw 24 is provided with a lower through hole 241, which penetrates the lower lead screw 24 along the axial direction of the lower lead screw 24. The inner wall of the lower through hole 241 is provided with a plurality of first lower clamping blocks 242 at the upper end thereof. The side wall of the first lower clamping block 242 is provided with a first lower recess 233. One end of the lower wall of the first lower clamping block 242 is fixedly connected with a second lower clamping block 243. The number of the second lower protrusions 235 is the same as that of the first lower clamping blocks 242. The number of the first lower protrusions 234 is the same as that of the second lower recesses 244.

[0041] When the lower cylindrical part 232 is connected with the lower lead screw 24, the lower cylindrical part 232 is inserted into the lower through hole 241 of the lower lead screw 24. At this time, the second lower protrusion 235 corresponds to the position where no first lower clamping block 242 is arranged in the lower through hole 241. After the lower cylindrical part 232 is inserted into the lower through hole 241, the lower lead screw 24 is rotated, so that the first lower clamping block 242 is inserted into the position between the second lower protrusion 235 and the lower disc part 231. The first lower protrusion 234 is inserted into the inner portion of the second lower recess 244. The side wall of the second lower protrusion 235 is in contact with the second lower clamping block 243. The second lower clamping block 243 prevents the second lower protrusion 235 from continuing to move. The first lower clamping block 242 is clamped between the second lower protrusion 235 and the disc part. The first lower protrusion 234 is clamped in the inner portion of the second lower recess 244. The clamping and fixing between the lower cylindrical part 232 and the lower lead screw 24 are achieved. When the lower plunger assembly 2 needs to be cleaned, the lower lead screw 24 is rotated in the reverse direction with force. The first lower clamping block 242 is slid out from between the second lower protrusion 235 and the lower disc part 231. At the same time, the first lower protrusion 234 is slid out from the inner portion of the second lower recess 244. The separation between the lower lead screw 24 and the lower plunger 23 is achieved. The cleaning of the lower lead screw 24 and the lower plunger 23 is facilitated.

[0042] As Figure 4 , Figure 5 , Figure 8As shown, the inner wall of the brewing cylinder 21 is provided with a sliding block 211, the side wall of the lower lead screw 24 is provided with a sliding groove 246 extending along the axial direction thereof, the sliding block 211 is installed inside the sliding groove 246, the sliding block 211 is used to limit the up-down movement of the lower lead screw 24 along the axial direction of the brewing cylinder 21, the end of the lower lead screw 24 away from the lower plunger 23 is fixedly connected with a limiting plate 247, the sliding groove 246 penetrates through the limiting plate 247, the limiting plate 247 is provided with two or more than two third lower grooves 245, the third lower grooves 245 are arranged along the circumferential direction of the limiting plate 247, the lower lead screw 24 is provided with a spacer ring 26 through clamping, the spacer ring 26 is provided with an opening 262, the opening 262 of the spacer ring 26 is arranged at the position corresponding to the sliding groove 246, the lower end of the spacer ring 26 is integrally connected with a plurality of limiting blocks 261, the number of the limiting blocks 261 is the same as that of the third lower grooves 245, the limiting blocks 261 are arranged one by one corresponding to the third lower grooves 245, the limiting blocks 261 are provided in an L shape, and each limiting block 261 comprises a vertical part and a horizontal part which are integrally connected, the vertical part of each limiting block 261 is located inside the corresponding third lower groove 245, the horizontal part of the limiting block 261 is located at the lower part of the limiting plate 247, and the upper wall of the horizontal part of the limiting block 261 is in contact with the lower wall of the limiting plate 247, so that the spacer ring 26 is clamped with the limiting plate 247, and the spacer plate cannot slide along the axial direction of the lower lead screw 24; during the working process of the lower plunger assembly 2, when the lower lead screw 24 moves to the uppermost end, the lower plunger 23 is still located inside the brewing cylinder 21 due to the existence of the spacer ring 26.

[0043] As shown in Figure 9 , Figure 10 , Figure 11 shown, Figure 9 is the standby state of the brewer, at this time the spacer ring 26 is clamped on the lower lead screw 24, at this time the brewer works normally, Figure 10 is the state of the brewer discharging residue, which embodies that when the spacer ring 26 is clamped on the lower lead screw 24, the lower lead screw 24 can move to the uppermost position, and the lower plunger 23 cannot be extended out of the brewing cylinder 21 due to the existence of the spacer ring 26, both the upper lead screw 13 and the lower lead screw 24 are driven by the motor, the motor is electrically connected with the control buttons on the operation page, and the start and stop of the motor can be realized by pressing the buttons on the operation interface, and the principle of the electrical connection adopts the technology disclosed in the prior art; when cleaning is needed, the spacer ring 26 is first horizontally pried apart from the opening 262 of the spacer ring 26, so that the limiting blocks 261 of the spacer ring 26 move out of the third lower grooves 245, thereby the spacer ring 26 is disassembled, then the buttons on the operation page are clicked to start the motor, and the motor drives the upper plunger 12 and the lower plunger 23 to move to Figure 11 the positions shown, and the upper plunger 12 and the lower plunger 23 are rotated, so that delicate cleaning can be performed.

[0044] The brewing device provided by the utility model is convenient to disassemble and clean, when the upper plunger assembly 1 is cleaned, the upper plunger 12 is rotated, the upper lead screw 13 is separated from the upper plunger 12, the upper lead screw 13 and the upper plunger 12 are quickly disassembled, after cleaning, the upper lead screw 13 and the upper plunger 12 are rotated and clamped, and subsequent installation is facilitated; when the lower plunger assembly 2 is cleaned, the gasket ring 26 is first removed, the lower lead screw 24 is moved to the uppermost end of the brewing cylinder 21, at the moment, the lower plunger 23 is arranged to extend out of the brewing cylinder 21, the lower plunger 23 is rotated, the lower plunger 23 is separated from the lower lead screw 24, and cleaning is carried out, after cleaning, the lower plunger 23 is rotated and installed on the upper end of the lower lead screw 24, then the lower lead screw 24 is moved downwards, the gasket ring 26 is sleeved on the limiting plate 247, and the lower plunger assembly 2 can normally work, compared with the components in the prior art, all the components are connected through bolts, when the brewing device needs to be disassembled, all the components need to be disassembled, the utility model realizes quick and convenient disassembly and cleaning of the components of the brewing device.

[0045] Finally, it should be noted that the above content is only used to illustrate the technical solutions of the utility model, and is not a limitation on the protection scope of the utility model. Simple modifications or equivalent replacements of the technical solutions of the utility model made by ordinary skilled in the art do not deviate from the essence and scope of the technical solutions of the utility model.

Claims

1. A brewer that facilitates disassembly for cleaning, characterized by, The application relates to a coffee machine, which comprises an upper plunger assembly and a lower plunger assembly for jointly performing a cake-pressing operation on coffee; the upper plunger assembly comprises an upper plunger and an upper screw rod, and the upper plunger is connected with the upper screw rod; the lower plunger assembly comprises a brewing cylinder, a lower plunger, a lower screw rod and a spacer ring, the lower screw rod is threadedly connected with the brewing cylinder, the lower screw rod moves along the axial direction of the brewing cylinder, one end of the lower screw rod is connected with the lower plunger, and the end of the lower screw rod, which is away from the lower plunger, is connected with the spacer ring; during the operation of the lower screw rod, the spacer ring is always located outside the brewing cylinder, and the lower plunger is always located inside the brewing cylinder; after the spacer ring is separated from the lower screw rod, the lower plunger can extend out of the brewing cylinder.

2. The brewer of claim 1, wherein, The end of the lower screw rod, which is away from the lower plunger, is fixedly connected with a limiting plate, a plurality of third lower grooves are arranged on the limiting plate in the circumferential direction, an opening is arranged on the spacer ring, a plurality of limiting blocks are arranged on the lower end of the spacer ring, the limiting blocks are arranged in one-to-one correspondence with the third lower grooves, and the limiting blocks are connected in the corresponding third lower grooves.

3. A brewer for easy cleaning and disassembly according to claim 2, characterized in that A sliding block is arranged on the inner wall of the brewing cylinder, and a sliding groove is arranged on the side wall of the lower screw rod in the axial direction, and the sliding block slides in the sliding groove.

4. The brewer of claim 1, wherein, The lower plunger comprises an integrally-connected lower disc part and a lower cylindrical part, the side wall of the lower cylindrical part is connected with a plurality of first lower protrusions and a plurality of second lower protrusions, the first lower protrusions and the second lower protrusions are arranged in correspondence, the first lower protrusions are arranged between the lower disc part and the second lower protrusions, the inner wall of the lower screw rod is provided with a plurality of first lower clamping blocks, the side wall of the first lower clamping blocks is provided with second lower grooves, the first lower clamping blocks are correspondingly clamped between the lower disc part and the second lower protrusions, and the first lower protrusions are clamped in the second lower grooves.

5. A brewer for easy cleaning and disassembly according to claim 4, characterized in that One end of the lower wall of the first lower clamping block is provided with a second lower clamping block, and the side wall of the second lower clamping block is in contact with the side wall of the second lower protrusion.

6. The brewer of claim 4, wherein, The end face of the lower disc part, which is away from the lower cylindrical part, is connected with a lower filter screen through screws, the side wall of the lower disc part is provided with a first lower groove, and a lower sealing ring is arranged in the first lower groove.

7. The brewer of claim 1, wherein, The lower screw rod drives the lower plunger to move in the brewing cylinder through a connected motor.

8. The brewer of claim 1, wherein, The upper plunger comprises an integrally-connected upper disc part and an upper cylindrical part, the side wall of the upper cylindrical part is connected with a plurality of first upper protrusions and a plurality of second upper protrusions, the first upper protrusions and the second upper protrusions are arranged in correspondence, the first upper protrusions are arranged between the upper disc part and the second upper protrusions, the inner wall of the upper screw rod is provided with a plurality of first upper clamping blocks, the side wall of the first upper clamping blocks is provided with second upper grooves, the first upper clamping blocks are correspondingly clamped between the upper disc part and the second upper protrusions, and the first upper protrusions are clamped in the second upper grooves.

9. A brewer for easy cleaning and disassembly according to claim 8, characterized in that One end of the lower wall of the first lower clamping block is provided with a second lower clamping block, and the side wall of the second lower clamping block is in contact with the side wall of the second lower protrusion.

10. The brewer of claim 8, wherein, The end face of the lower disc part, which is away from the lower cylindrical part, is connected with a lower filter screen through screws, the side wall of the lower disc part is provided with a first lower groove, and a lower sealing ring is arranged in the first lower groove. The lower screw rod drives the lower plunger to move in the brewing cylinder through a connected motor.

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