CN220124468U - Concentrated extraction device - Google Patents

Abstract

The utility model discloses a concentration and extraction device, which comprises a supporting plate, wherein a rotating rod is rotatably connected to the supporting plate, the lower end of the rotating rod is connected with a brewing tank, the other side of the supporting plate is provided with a sliding hole, a piston rod is arranged in the sliding hole in a sliding way, and the lower end of the piston rod is connected with a piston matched with the brewing tank; be equipped with the passageway of intaking in the piston rod, one side on piston rod upper portion is equipped with the inlet tube with the passageway intercommunication of intaking, is equipped with the inlet chamber in the piston, and the bottom of piston is equipped with a plurality of apopores, is equipped with the filter plate in the brewing jar, and the outer wall of brewing jar lower part is equipped with the water pump, and the entrance point of water pump is connected with first pipeline, and the exit end of water pump is connected with the second pipeline, and first pipeline communicates with the lower part of brewing jar, and the second pipeline communicates with the upper portion of brewing jar, and the export of second pipeline is close to the filter plate. And (3) delivering the mixed solution to the upper part of the brewing tank again, and repeatedly circulating for a plurality of times, so that the residual coffee powder and the mixed solution are fully mixed again, and new hot water is not required to be added, so that the coffee taste is more intense.

Description

Concentrated extraction device

Technical Field

The utility model relates to the technical field of coffee machines, in particular to a concentrating and extracting device.

Background

Electronic technology is applied to the coffee machine, so that the automatic control of the whole process of brewing coffee, such as preheating, cleaning, grinding, pressing, brewing, discharging and the like, is realized, and the full-automatic coffee machine is created.

The coffee extract is a coffee liquid with a certain concentration degree formed by extracting the active ingredients in the coffee ground powder in the modes of soaking, ice dripping and the like.

According to the search, chinese patent with priority number of CN217937917U discloses a multifunctional coffee extraction cup, when coffee is brewed, the trapezoidal extraction cup is screwed on an internally threaded sleeve, coffee powder is placed in the trapezoidal extraction cup, then a second support plate is covered on the top end of the trapezoidal extraction cup, the bottom end of the tapered extraction cup is communicated with the trapezoidal extraction cup, then the coffee powder is placed in the tapered extraction cup, hot water is injected into the tapered extraction cup, the hot water firstly extracts the coffee through the tapered extraction cup, then the hot water enters the trapezoidal extraction cup through the bottom end of the tapered extraction cup, and the hot water is subjected to secondary extraction on the coffee through the trapezoidal extraction cup, so that the coffee is manufactured.

However, the coffee extraction cup in the above patent document has the following problems: (1) The coffee powder and the water are manually added into the trapezoid extraction cup, so that the coffee powder and the hot water cannot be automatically filled, and the brewing efficiency is low; (2) During extraction, the gravity of water is used for downward flow to be mixed with the coffee powder, the water pressure is low, and the coffee powder is easy to agglomerate; (3) After water and coffee powder are added into the extraction cup, coffee can directly flow into the collection cup through the two extraction cups, the coffee powder or powder clusters are inevitably adhered to the extraction cup, and if water is added into the extraction cup again, the dilution of the coffee can be caused, and the taste is affected.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a concentrating and extracting device which aims to solve the problems in the prior art.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model provides a concentrated extraction device, includes the backup pad, one side in the backup pad is connected with through the bearing rotation and is the bull stick of L type, be equipped with the first actuating mechanism of drive bull stick pivoted in the backup pad, the lower extreme of bull stick is connected with the brewing jar, the opposite side in the backup pad is equipped with the slide hole, the slide in the slide hole is provided with the piston rod, the lower extreme of piston rod is connected with the piston with brewing jar complex, be equipped with the second actuating mechanism of drive piston rod in the slide hole upper and lower slip in the slide hole in the backup pad, through the downward slip of drive piston rod in the slide hole, enable the piston to insert in the brewing jar; be equipped with the inlet channel in the piston rod, one side on piston rod upper portion is equipped with the inlet tube with the inlet channel intercommunication, be equipped with the inlet chamber with the inlet channel intercommunication in the piston, the bottom of piston is equipped with a plurality of apopores with the inlet chamber intercommunication, be equipped with the filter plate that is used for holding coffee powder in the brewing jar, the bottom of brewing jar is equipped with the coffee discharge pipe, the outer wall of brewing jar lower part is fixed with the mount table, be equipped with the water pump on the mount table, the entrance point of water pump is connected with first pipeline, the exit end of water pump is connected with the second pipeline, first pipeline and the lower part intercommunication of brewing jar, the second pipeline communicates with the upper portion of brewing jar, and the export of second pipeline is close to the filter plate.

Preferably, the first driving mechanism comprises a first bracket arranged on the supporting plate, a first stepping motor is arranged on the first bracket, the output end of the first stepping motor is connected with a transmission shaft through a coupling, the transmission shaft is connected with a main gear, the upper end of the rotating rod is connected with a secondary gear, and the main gear is meshed with the secondary gear.

Above-mentioned technical scheme, control first step motor work drives the master gear and rotates, and the master gear drives the bull stick through the cooperation with the pinion and rotates to can drive and dash the brewing jar and rotate, make and dash the brewing jar and reach coffee bean grinding mechanism's below, thereby catch coffee powder, then control the motor reversal again, drive and dash the brewing jar and get back to the normal position, and be located the below of piston, so that follow-up dashes and steep.

Preferably, the second driving mechanism comprises a second bracket arranged on the supporting plate, a second stepping motor is arranged on the second bracket, a screw rod is rotatably connected to the second bracket and the supporting plate through a bearing, the upper end of the piston rod is connected with a sliding block, the sliding block is in threaded connection with the screw rod, and the second stepping motor is connected with one end of the screw rod through a coupler.

According to the technical scheme, the second stepping motor is controlled to work, the screw rod is driven to rotate, the piston rod is driven to move downwards in the rotation process of the screw rod, the piston is driven to enter the brewing tank, water and coffee powder are extruded, and the water and the coffee powder are fully mixed.

Preferably, a filter cover is arranged at the lower part in the brewing tank, and the inner part of the first pipeline is positioned in the filter cover.

According to the technical scheme, the filter cover can adopt filter cloth with ultrafine filter holes, and larger particles in the coffee mixed solution can be filtered out, so that the first pipeline, the water pump and the second pipeline are prevented from being blocked.

Preferably, the outer wall of the piston is provided with two rings of sealing rings.

According to the technical scheme, after the piston is inserted into the brewing tank, the sealing ring is tightly attached to the inner wall of the brewing tank, so that water is prevented from overflowing.

Preferably, the coffee discharge pipe, the first pipeline and the second pipeline are all connected with control valves, and the second pipeline is provided with a one-way valve.

According to the technical scheme, the control valve can control the connection and the closing of the coffee discharge pipe or the second pipeline, and the one-way valve can prevent water in the brewing tank from flowing back into the second pipeline.

Compared with the prior art, the utility model has the following beneficial effects:

(1) The first driving mechanism drives the rotating rod to rotate, the brewing tank is driven to rotate, the brewing tank is enabled to reach the lower side of the coffee bean grinding mechanism, so that coffee powder is received, then the rotating rod is driven to rotate reversely, the brewing tank is driven to return to the original position and to be located below the piston, the piston rod is driven to descend through the second driving mechanism, the piston is enabled to be inserted into the brewing tank, hot water is input through the water inlet pipe and is sprayed into the brewing tank through the water outlet, automatic coffee powder and hot water are added into the brewing tank, and brewing efficiency is improved.

(2) The piston rod is driven to descend by the second driving mechanism, so that the piston moves downwards in the brewing tank, pressure is applied to the water and the coffee powder, and hot water is sprayed downwards from the water outlet hole, so that the coffee powder and the water are fully mixed, and the coffee is pressed from the filter plate to the lower part of the brewing tank.

(3) If the incompletely fused coffee powder still remains on the filter plate, the coffee mixed solution below the brewing tank can be sent to the upper part of the brewing tank again, so that the coffee mixed solution contacts with the residual coffee powder on the filter plate again, and the coffee mixed solution is circulated for multiple times, so that the residual coffee powder and the mixed solution are fully mixed again, new hot water is not required to be added, and the coffee taste is more intense.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic illustration of a piston rod and piston;

FIG. 3 is a schematic view of a brewing canister;

FIG. 4 is a schematic view of a filter plate;

in the figure: 1-backup pad, 2-bull stick, 3-brewing jar, 4-piston rod, 5-piston, 6-inlet channel, 7-inlet tube, 8-inlet chamber, 9-apopore, 10-filter plate, 11-coffee discharge tube, 12-mount pad, 13-water pump, 14-first pipeline, 15-second pipeline, 16-first support, 17-first stepper motor, 18-master gear, 19-pinion, 20-second support, 21-second stepper motor, 22-lead screw, 23-slider, 24-filter mantle, 25-sealing ring, 26-control valve, 27-check valve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1, a concentrated extraction device is used for a coffee machine, wherein a coffee bean grinding mechanism and a heating boiler are arranged in the coffee machine, the concentrated extraction device comprises a supporting plate 1, one side of the supporting plate 1 is rotatably connected with an L-shaped rotating rod 2 through a bearing, a first driving mechanism for driving the rotating rod 2 to rotate is arranged on the supporting plate 1, the lower end of the rotating rod 2 is connected with a brewing tank 3, specifically, the first driving mechanism comprises a first bracket 16 arranged on the supporting plate 1, a first stepping motor 17 is arranged on the first bracket 16, the output end of the first stepping motor 17 is connected with a transmission shaft through a coupling, a main gear 18 is connected on the transmission shaft, the upper end of the rotating rod 2 is connected with a pinion 19, and the main gear 18 is meshed with the pinion 19. The first stepping motor 17 is controlled to work, the rotating rod 2 is driven to rotate through the cooperation of the main gear 18 and the auxiliary gear 19, the brewing tank 3 can be driven to move to the lower part of the coffee bean grinding mechanism, and the brewing tank 3 can be driven to move to the lower part of the piston 5.

Referring to fig. 1, 2 and 3, a sliding hole is formed in the other side of the support plate 1, a piston rod 4 is slidably disposed in the sliding hole, a piston 5 matched with the brewing tank 3 is connected to the lower end of the piston rod 4, and a second driving mechanism for driving the piston rod 4 to slide in the sliding hole is disposed on the support plate 1. Specifically, the second driving mechanism comprises a second bracket 20 arranged on the supporting plate 1, a second stepping motor 21 is arranged on the second bracket 20, a screw rod 22 is rotatably connected to the second bracket 20 and the supporting plate 1 through bearings, a sliding block 23 is connected to the upper end of the piston rod 4, the sliding block 23 is in threaded connection with the screw rod 22, and the second stepping motor 21 is connected with one end of the screw rod 22 through a coupling. The second stepping motor 21 is controlled to work, so that the screw rod 22 can be driven to rotate, and the piston rod 4 is driven to move downwards in the rotation process of the screw rod 22, so that the piston rod 4 is inserted into the brewing tank 3 below the piston rod. Be equipped with water inlet channel 6 in the piston rod 4, one side of piston rod 4 upper portion is equipped with the inlet tube 7 with water inlet channel 6 intercommunication, be equipped with in the piston 5 with water inlet channel 6 intercommunication intake chamber 8, the bottom of piston 5 is equipped with a plurality of apopores 9 with water inlet chamber 8 intercommunication, be equipped with the filter plate 10 that is used for holding coffee powder in the brewing jar 3, a plurality of filtration pores have been seted up on the filter plate 10 (as shown in fig. 4). Wherein, inlet tube 7 has the pump body (not shown in the drawing) through the pipe connection, and the pump body passes through the pipeline and is connected with heating boiler, and heating boiler heats water, and the pump body is with hot water by inlet tube 7 feeding into inlet channel 6, and in inlet chamber 8, spray in to brewing jar 3 by apopore 9 again to with coffee powder intensive mixing.

The bottom of brewing jar 3 is equipped with coffee discharge pipe 11, is equipped with control valve 26 on the coffee discharge pipe 11, the outer wall of brewing jar 3 lower part is fixed with mount table 12, be equipped with water pump 13 on the mount table 12, the entrance point of water pump 13 is connected with first pipeline 14, also is equipped with control valve 26 on the first pipeline 14, the exit end of water pump 13 is connected with second pipeline 15, is equipped with check valve 27 on the second pipeline to prevent to dash liquid backward flow in the brewing jar and advance in the second pipeline, first pipeline 14 communicates with the lower part of brewing jar 3, second pipeline 15 communicates with the upper portion of brewing jar 3, and the export of second pipeline 15 is close to filter plate 10. If the incompletely fused coffee powder still remains on the filter plate, the coffee mixed solution below the brewing tank is conveyed to the upper part of the brewing tank through the water pump, so that the coffee mixed solution is contacted with the residual coffee powder on the filter plate again, the residual coffee powder and the mixed solution are fully mixed again, new hot water is not required to be added, and the coffee taste is more intense.

In order to improve the tightness between the piston 5 and the brewing tank 3, two rings of sealing rings 25 are arranged on the outer wall of the piston 5, and after the piston 5 is inserted into the brewing tank 3, the sealing rings 25 are tightly attached to the inner wall of the brewing tank 3 to prevent coffee from overflowing.

The working principle of the embodiment is as follows: the initial position of the brewing tank 3 is positioned below the coffee bean grinding mechanism to catch ground coffee powder, then the first driving mechanism drives the rotary rod 2 to rotate, so that the brewing tank 3 is positioned right below the piston 5, then the piston rod 4 is driven to descend by controlling the second stepping motor 21 to enable the piston 5 to be inserted into the brewing tank 3, then hot water in the heating boiler is sprayed into the brewing tank 3 through the water inlet pipe 7, the water inlet channel 6 and the water inlet cavity 8 by the water outlet hole 9 through the pump body to mix the water with the coffee powder to obtain mixed liquid, meanwhile, the second stepping motor 21 is continuously controlled to operate to drive the piston 5 to descend continuously, the mixed liquid is pushed into the lower part of the brewing tank 3 by the filter plate 10, so that brewing of coffee is completed, when the coffee powder remains on the filter plate 3, the control valve 26 on the first pipeline 14 is opened, the mixed liquid is sent into the upper part in the brewing tank 3 again by the water pump 13 to mix the mixed liquid with the residual coffee powder, the mixed liquid is repeatedly circulated for a plurality of times, and finally, the coffee powder is discharged by the coffee discharge pipe 11.

Example 2

As shown in fig. 3, on the basis of embodiment 1, the present utility model further comprises a filter cover 24 disposed in the brewing canister 3, wherein the first pipe 14 is located inside the filter cover 24, and the filter cover 24 may use a filter cloth with very fine filtering holes to filter out particles in the coffee mixed liquor, so as to prevent the first pipe, the second pipe or the water pump from being blocked.

It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a concentrated extraction device, its characterized in that includes backup pad (1), one side on backup pad (1) is connected with through the bearing rotation and is L type bull stick (2), be equipped with the first actuating mechanism of drive bull stick (2) pivoted on backup pad (1), the lower extreme of bull stick (2) is connected with brewing jar (3), the opposite side on backup pad (1) is equipped with the slide hole, the slide is provided with piston rod (4) in the slide hole slip, the lower extreme of piston rod (4) is connected with piston (5) with brewing jar (3) complex, be equipped with the second actuating mechanism of drive piston rod (4) in slide hole upper and lower slip on backup pad (1), through drive piston rod (4) in slide hole downward slip, can make piston (5) insert in brewing jar (3); be equipped with inlet channel (6) in piston rod (4), one side on piston rod (4) upper portion is equipped with inlet tube (7) with inlet channel (6) intercommunication, be equipped with in piston (5) with inlet channel (6) intercommunication inlet chamber (8), the bottom of piston (5) is equipped with apopore (9) of a plurality of and inlet chamber (8) intercommunication, be equipped with filter plate (10) that are used for holding coffee powder in brewing tank (3), the bottom of brewing tank (3) is equipped with coffee discharge pipe (11), the outer wall of brewing tank (3) lower part is fixed with mount table (12), be equipped with water pump (13) on mount table (12), the entrance point of water pump (13) is connected with first pipeline (14), the exit end of water pump (13) is connected with second pipeline (15), the lower part intercommunication of first pipeline (14) and brewing tank (3), the exit end of second pipeline (15) and brewing tank (3) are close to filter plate (10).

2. The concentrating and extracting apparatus of claim 1, wherein: the first driving mechanism comprises a first support (16) arranged on the supporting plate (1), a first stepping motor (17) is arranged on the first support (16), the output end of the first stepping motor (17) is connected with a transmission shaft through a coupling, a main gear (18) is connected to the transmission shaft, a secondary gear (19) is connected to the upper end of the rotating rod (2), and the main gear (18) is meshed with the secondary gear (19).

3. The concentrating and extracting apparatus of claim 2, wherein: the second driving mechanism comprises a second support (20) arranged on the supporting plate (1), a second stepping motor (21) is arranged on the second support (20), a screw rod (22) is rotatably connected to the second support (20) and the supporting plate (1) through a bearing, a sliding block (23) is connected to the upper end of the piston rod (4), the sliding block (23) is in threaded connection with the screw rod (22), and the second stepping motor (21) is connected with one end of the screw rod (22) through a coupler.

4. A concentrating and extracting apparatus according to claim 3, wherein: a filter cover (24) is arranged at the lower part in the brewing tank (3), and the inside of the first pipeline (14) is positioned in the filter cover (24).

5. The concentrating and extracting apparatus of claim 4, wherein: the outer wall of the piston (5) is provided with two rings of sealing rings (25).

6. The concentrating and extracting apparatus according to any one of claims 1 to 5, wherein: the coffee discharge pipe (11) and the first pipeline (14) are connected with a control valve (26), and the second pipeline is provided with a one-way valve (27).