CN116982845B - A coffee drip machine - Google Patents

Abstract

The present application relates to a coffee drip filter, comprising a base frame and a shell, the shell is arranged on the base frame, the shell is provided with a water guide plate and a bottom plate, and a cavity is formed; a receiving plate is used to divide the cavity into an upper cavity and a lower cavity; the water guide plate is provided with a water inlet, and is connected to the water outlet of the receiving plate through a water pipe; a sealing shaft is passed through the water pipe, one end of the sealing shaft is provided with a sealing sheet for blocking the water inlet, and the other end extends to the bottom of the water outlet; a first elastic reset member for providing a reset force to the sealing shaft is provided in the water pipe; the lower cavity is provided with a lifting assembly acting on the sealing shaft; the base frame is provided with a filter cup assembly below the shell, the filter cup assembly is provided with a water outlet, and a filter is also installed. The sealing shaft is displaced by the lifting assembly, and a gap is formed between the sealing shaft and the water pipe; the sealing shaft is reset by the first elastic reset member to control the water output, and the filter is used to control the brewing time. The present application improves the accuracy of brewing coffee or tea concentration by controlling the water output and brewing time of the coffee drip filter.

Description

Coffee drip filter

Technical Field

The invention relates to the technical field of coffee machines, in particular to a coffee drip filter.

Background

The coffee drip filter is a common electrical appliance in life, however, most of the coffee drip filters at present directly discharge water from the water outlet of the coffee drip filter to brew coffee when brewing coffee, so that the water quantity of the coffee drip filter and the time for brewing coffee are difficult to control, and further the concentration of the brewed coffee is difficult to control accurately.

Disclosure of Invention

The application provides a coffee drip filter, which aims to solve the problem that the water quantity and the coffee brewing time of the existing coffee drip filter are difficult to control, and further the concentration of the brewed coffee is difficult to control accurately.

The application provides a coffee drip filter, which adopts the following technical scheme:

A coffee drip filter comprises a base frame and a shell, wherein the shell is arranged on the base frame, a water guide disc is arranged at the top of the shell, a bottom plate is arranged at the bottom of the shell, and a cavity is formed in the shell; a bearing plate for dividing the cavity into an upper cavity and a lower cavity is arranged in the cavity; the water guide disc is provided with a water inlet, the bearing plate is provided with a water outlet; a water pipe is arranged in the upper cavity, and the water inlet of the water guide disc is communicated with the water outlet of the receiving plate through the water pipe; a sealing shaft is arranged in the water pipe in a penetrating way, one end of the sealing shaft extends to the upper part of the water inlet of the water guide disc, and a blocking piece for blocking the water inlet is arranged; the other end of the sealing shaft extends to the lower part of the water outlet of the bearing plate; the inner wall of the water pipe is provided with a first elastic resetting piece for providing resetting force for the sealing shaft; a jacking component for driving the sealing shaft to move upwards is arranged in the lower cavity; the base frame is also provided with a filter cup component below the shell, and the bottom of the filter cup component is provided with a water outlet; the filter cup assembly is provided with a filter element for placing the brewing substances.

By adopting the technical scheme, when brewing, water flows into the water pipe from the water inlet and flows out of the water outlet into the filter bowl assembly. In order to control the water flow falling speed, a blocking piece is arranged to intermittently block the water inlet. The jacking component enables the sealing shaft to move upwards, the sealing piece moves upwards along with the sealing shaft and forms a gap with the mouth wall of the water inlet, and at the moment, water can normally flow into the filter bowl component. After the jacking component stops driving the sealing shaft upwards, the first elastic reset piece can enable the sealing shaft to return to the original position, the water inlet is plugged again, and then water flow cannot fall into the filter bowl component. Through the process of plugging piece multiple water drainage and water shutoff, can realize more accurate regulation rivers whereabouts speed. On the other hand, the filtering piece is used for controlling the brewing time of the brewing object to further control, and the brewing time are matched to realize more accurate adjustment of the brewing concentration.

Preferably, the jacking component comprises a water guide sheet bracket arranged at the bottom of the bearing plate, a water guide sheet which is arranged in the water guide sheet bracket in a sliding manner and used for jacking the sealing shaft, and a driving valve for driving the water guide sheet to reciprocate; the output end of the driving valve is connected with the water guide sheet, and the driving valve is provided with a second elastic reset piece for providing reset force for the water guide sheet.

Through adopting above-mentioned technical scheme, the drive valve drive water guide piece slides in the water guide piece support to this carries out the jacking to sealed axle, thereby reaches the effect that lets rivers whereabouts. The lifting assembly is realized by driving the valve and the water guide sheet, so that the simplicity of realizing the lifting assembly is improved; the water guide sheet is fixed on the outer wall of the bottom plate by using the water guide sheet support, so that the firmness of the water guide sheet and the stability in sliding can be improved.

Preferably, the first elastic restoring member is a first spring, the first spring is sleeved on the sealing shaft, one end of the first spring is connected with the water pipe, and the other end of the first spring is connected with the sealing shaft.

Through adopting above-mentioned technical scheme, when sealed axle is by the water guide piece jack-up, the spring is in compressed state, stops the jack-up sealed axle when the actuating valve, and the spring just can reply deformation, and the sealed axle of losing the jacking force just can be pushed down under the elasticity of first spring, makes the shutoff piece shutoff water inlet again. The structure can realize the reset function of the plugging sheet with lower cost and simple structure.

Preferably, the second elastic restoring piece is a second spring, one end of the second spring is connected with the shell of the driving valve, and the other end of the second spring is connected with the water guide piece.

Through adopting above-mentioned technical scheme, when the drive valve drive water guide piece removed, the second spring takes place to deform, and when the output of drive valve was replied, the second spring was replied deformation, helps the drive valve output to reset steadily, and then makes the jacking control process of sealed axle more stable.

Preferably, the filter cup assembly comprises a cup body arranged on the base frame and a water filtering cylinder arranged in the cup body, and a water outlet channel penetrating through the bottom of the cup body is arranged at the bottom of the water filtering cylinder; the cup body is matched with the water filtering cylinder; the filter element is arranged in the water filtering cylinder.

By adopting the technical scheme, the water flowing out of the water pipe falls into the filter element and is poured on the brewing object, and the water filtered out of the filter element flows out of the water outlet channel, so that the brewed coffee drink or tea drink is obtained.

Preferably, a sealing cap is arranged in the water outlet channel in a penetrating way, a sealing sheet for sealing the water outlet channel is arranged at one end of the sealing cap extending to the upper part of the water outlet channel, and a third elastic reset piece for providing reset force for the sealing cap is arranged at the lower end of the water outlet channel.

By adopting the technical scheme, the sealing piece gathers the brewing liquid in the water filtering cylinder, and when the sealing cap is lifted, the sealing piece loses the blocking of the water outlet channel, so that the brewing liquid flows out of the water outlet channel. When the sealing cap loses the jacking force, the third elastic piece enables the sealing piece to reseal the water outlet channel, and brewing liquid is accumulated in the water filtering cylinder.

Preferably, the third elastic reset piece is a third spring, one end of the third spring is connected with the lower end of the water outlet channel, and the other end of the third spring is connected with the sealing cap.

By adopting the technical scheme, when the sealing cap is lifted, the third spring is in a compressed state, and when the sealing cap loses the lifting force, the third spring returns and pushes the sealing cap downwards, so that the sealing sheet reseals the water outlet channel. The scheme realizes the function of taking the brewing liquid at any time with a simpler structure.

Preferably, the lower cavity is further internally provided with a water drain for receiving water flowing out of the water pipe in a rotating manner, the water drain is provided with a water drain tank, the bottom of the water drain tank is provided with a water drain hole communicated with the water filtering cylinder, the water drain is provided with a gear part along the circumferential direction of a notch of the water drain tank, the lower cavity is internally provided with a driving wheel meshed with the gear part, the receiving plate is provided with a motor, and the output end of the motor is connected with the driving wheel.

Through adopting above-mentioned technical scheme, when the water in the water pipe got into in the water leakage groove, motor drive wheel rotated to drive gear portion and rotate, and then make the water leakage groove rotate. At this time, the water entering the water leakage groove 26 flows out in a rotating way through the water leakage holes, and infusions are made in the infusions in the filter cup assembly. The process of water leakage and water rotation simulates the brewing action when the tea is made manually, so that the coffee bag or the tea bag can be brewed more fully.

Preferably, a heating pipe for heating the water guide disc is further arranged in the upper cavity, and a temperature sensor is further arranged on the water guide disc.

By adopting the technical scheme, the heat generated by the heating pipe can be transferred to the water guide disc, and the water guide disc can heat water. The temperature sensor is used for sensing the heating temperature, and is convenient for control the water temperature.

Preferably, the coffee drip filter is further provided with a base, the base is arranged on the base, and a water receiving kettle for receiving brewing liquid flowing out from the water outlet channel is arranged on the base; the base frame is also provided with a control circuit board and a heat-insulating board for heat insulation of the butt joint kettle; the control circuit board is respectively connected with the driving valve, the heating pipe, the motor, the temperature sensor and the heat insulation board.

By adopting the technical scheme, after the water receiving kettle receives the brewing liquid, the heat insulation board can keep the temperature of the brewing liquid, so that the user can drink the brewing liquid at any time.

In summary, the present application includes at least one of the following beneficial technical effects:

1. The sealing shaft is enabled to upwards displace through the jacking component, and a gap is formed between the sealing shaft and the water pipe; and then the sealing shaft is reset through the first elastic reset piece to control the water yield, and the filtering piece is used for controlling the brewing time of the brewing object. The application improves the accuracy of the concentration of the brewed coffee by controlling the water yield through the coffee drip filter.

2. The process of water leakage and water rotation simulates the brewing action when the tea is made manually, so that the coffee bag or the tea bag can be brewed more fully.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present application;

FIG. 2 is a cross-sectional view of an implementation of the present application;

FIG. 3 is an exploded view of the overall structure of an embodiment of the present application;

FIG. 4 is an exploded view of the mating structure of the housing with the reservoir and water leak of an embodiment of the present application;

FIG. 5 is an exploded view of the engagement of the water drain with the drive wheel and base plate of an embodiment of the present application;

fig. 6 is an exploded view of the mating structure of the water receiving jug and bowl assembly of an embodiment of the present application.

Reference numerals illustrate: 1. a base frame; 2. a housing; 3. a water guide plate; 4. a bottom plate; 5. a receiving plate; 6. a water pipe; 7. sealing the shaft; 8. a blocking piece; 9. a first elastic restoring member; 10. a filter bowl assembly; 11. a cup body; 12. a water filtering cylinder; 13. a drive valve; 14. a water guiding sheet; 15. a second elastic restoring member; 16. a sealing cap; 17. a sealing sheet; 18. a third elastic restoring member; 19. a water guide sheet bracket; 20. a water leak; 21. a gear portion; 22. a driving wheel; 23. a motor; 24. a temperature sensor; 25. sealing the connection member; 26. a water leakage groove; 27. a water inlet; 28. a water outlet; 29. a water storage tank; 30. a slip groove; 31. a hook piece; 32. a support frame; 33. a boss; 34. a water receiving port; 35. a base; 36. a water receiving kettle; 37. a limit bump; 38. and a limit groove.

Detailed Description

The present application will be described in further detail with reference to fig. 1-6.

The embodiment of the application discloses a coffee drip filter, referring to fig. 1 and 2, the coffee drip filter comprises a base 35, a base frame 1 arranged on the base 35 and a shell 2 arranged on the base frame 1, wherein the shell 2 is positioned at the top end of the base frame 1. The shell 2 is hollow and provided with two open ends, the shell 2 is internally provided with a bearing plate 5 in an integrated manner, the bearing plate 5 divides the space in the shell 2 into an upper cavity and a lower cavity, the middle part of the bearing plate 5 is provided with a water outlet 28, and the water outlet 28 is communicated with the upper cavity and the lower cavity.

Referring to fig. 2, the drip coffee filter is composed of a water storage tank 29, a sealing shaft 7 adjusting part for adjusting the water flow rate, a water drain 20 part for rotating water, a filter cup assembly 10 part for brewing coffee or tea bags, a water receiving pot 36 part for receiving brewing liquid and a control panel part arranged on a base 35 from top to bottom.

Referring to fig. 2 and 3, in particular, a water reservoir 29 is provided in the upper cavity. Specifically, the two ends of the water storage cylinder 29 are open, the top end of the water storage cylinder 29 is provided with a cylinder cover, and the bottom is sleeved with a sealing connecting piece 25. The sealing connecting piece 25 is annular and elastic, the upper end and the lower end of the sealing connecting piece 25 are respectively integrally formed with a clamping part, and the clamping part at the upper end of the sealing connecting piece 25 extends into the water storage cylinder 29 and is tightly abutted against the inner wall of the water storage cylinder 29 so as to avoid water leakage. The tank bottom integrated into one piece of mounting groove has a plurality of L type joint spare, and L type joint spare and sealing connection spare 25 lower extreme joint portion joint to be fixed in the mounting groove with the cistern.

Referring to fig. 3 and 4, a water guide tray 3 is provided in the water storage tank 29, the water guide tray 3 is provided in the sealing connector 25 and the top end is closely abutted against the inner wall of the sealing connector 25 to prevent water leakage. A water inlet 27 is arranged in the center of the water guide disc 3, and the water inlet 27 and a water outlet 28 are coaxially arranged and are communicated through a water pipe 6.

Referring to fig. 4, specifically, the water pipe 6 is provided in a tubular shape, and the top is integrally formed with a clamping end, the clamping end is provided with a through hole through which water flows, and the clamping end is disposed in the water storage cylinder 29 and is in clamping fit with the mouth wall of the water inlet 27. The other end of the water pipe 6 is connected with the water outlet 28 of the bearing plate 5, so that the water inlet 27 of the water guide disc 3 is communicated with the water outlet 28 of the bearing plate 5 through the water pipe 6.

Referring to fig. 4, a heating pipe is arranged in the upper cavity, is positioned below the water guide disc 3, and is attached to the water guide disc 3. The heating pipe is used for heating the water of the water storage bar by heating the water guide plate 3; the water guide disc 3 is provided with a temperature sensor 24; the coffee drip filter obtains the water temperature through the temperature sensor 24, and when the water temperature reaches the preset temperature, the heating pipe stops heating.

In the embodiment of the application, the heating pipe heats the water of the water storage bar at the temperature ranging from 95 ℃ to 100 ℃.

Referring to fig. 4, the cavity wall of the lower cavity is integrally formed with a plurality of fixing columns, screw holes are formed in the bottoms of the fixing columns, a bottom plate 4 is arranged at the bottom of the shell 2, through holes corresponding to the screw holes are formed in the bottom plate 4, and the screw holes and the through holes are connected through bolts in a screwed mode so that the bottom plate 4 is fixed at the bottom of the shell 2.

Referring to fig. 4, a filter cup assembly 10 for placing coffee or tea bags is rotatably provided under the bottom plate 4, and the bottom plate 4 is provided with a through opening for allowing water falling from the water pipe 6 to fall into the filter cup assembly. In order to better control the water falling speed of the water pipe 6 and further to more precisely control the concentration of the brewed coffee or tea, a sealing shaft 7 is arranged in the water pipe 6 in a lifting manner.

Referring to fig. 4, specifically, one end of the sealing shaft 7 extends to the upper side of the water inlet 27 of the water guiding disc 3, and is sleeved with a plugging sheet 8 for plugging the water inlet 27; the other end of the sealing shaft 7 extends to the water outlet 28 and is integrally formed with a conical part, and the tip of the conical part is downwards arranged and penetrates through the water outlet 28. The sealing piece 8 is matched with the sealing shaft 7 to seal the upper end of the water pipe 6, so that water of the water storage cylinder 29 does not flow into the water pipe 6 of the upper cavity downwards. The water pipe 6 is internally provided with a first elastic restoring member 9, in this embodiment, the first elastic restoring member 9 is a first spring sleeved on the sealing shaft 7, and two ends of the first spring are respectively connected with the taper part and the clamping end.

Referring to fig. 4, a jacking component for driving the sealing shaft 7 to move upwards is arranged in the lower cavity, and the jacking component comprises a water guide plate bracket 19 arranged at the bottom of the bearing plate 5, a water guide plate 14 which is arranged in the water guide plate bracket 19 in a sliding manner and is used for jacking the sealing shaft 7, and a driving valve 13 for driving the water guide plate 14 to move reciprocally.

Referring to fig. 4, the bracket of the water guide sheet 14 is integrally formed with a convex surface and a fixing surface, the fixing portions are arranged at two sides of the convex surface and fixedly connected with the receiving plate 5 through bolts, a sliding groove 30 for the water guide sheet to pass through is formed between the convex surface and the receiving plate 5, and the sliding groove 30 is in sliding fit with the water guide sheet. One end of the water guide piece is fixedly connected with the driving valve 13, a waist-shaped hole is formed in the other end of the water guide piece, a hook piece 31 is integrally formed in the inner wall of the waist-shaped hole, and the bent part of the hook piece 31 is in arc transition arrangement and is close to the conical part.

Referring to fig. 4, the output end of the driving valve 13 is sleeved with a second elastic restoring member 15 for providing a restoring force to the water guiding sheet 14, and in this embodiment, the second elastic restoring member 15 is a second spring, one end of the second spring is connected with the driving valve 13, and the other end is connected with the water guiding sheet.

When the driving valve 13 drives the water guide sheet to slide in the water guide sheet bracket 19 so that the hook sheet 31 moves towards the direction close to the conical part, the hook sheet 31 gradually presses the conical part and pushes the conical part upwards, at the moment, the sealing shaft 7 moves upwards to drive the blocking sheet 8 to be far away from the water inlet 27, so that a water outlet gap is formed between the water pipe 6 and the sealing shaft 7; when the water pipe 6 and the sealing shaft 7 form a water outlet gap, water stored in the water storage cylinder 29 enters the water pipe 6 from the water outlet gap. At this time, the first elastic restoring member 9 is in a compressed state, and the second elastic restoring member 15 is in a stretched state. When the output end of the driving valve 13 is restored, the second elastic restoring member 15 is restored to deform, so as to more stably drive the water guiding sheet to restore to the original position, and simultaneously, the hook sheet 31 is restored and does not lift the conical portion any more. After the lifting force of the hook piece 31 is lost, the first elastic reset piece 9 automatically returns to deform so as to push the conical part downwards, so that the sealing shaft 7 moves downwards, the plugging piece 8 plugs the water inlet 27, and water in the water storage cylinder 29 does not enter the water pipe 6 any more.

Referring to fig. 5, a water drain 20 for receiving water flowing from the water pipe 6 is also rotatably provided in the lower cavity. Specifically, the opening wall of the opening of the bottom plate 4 extends downwards and is integrally provided with a support frame 32, and the water leakage 20 is rotatably arranged on the support frame 32. The water leakage 20 is provided with a water leakage groove 26, the bottom of the water leakage groove 26 is uniformly provided with a plurality of water leakage holes, and water falls into the filter assembly through the water leakage holes. The outer wall of the water drain 20 is circumferentially provided and integrally formed with a gear portion 21. The motor 23 is fixedly arranged on the bottom plate 4, and the output end of the motor 23 is sleeved with the driving wheel 22 meshed with the gear part 21. The radius of the driving wheel 22 is smaller than the radius of the gear portion 21.

When water in the water storage cylinder 29 enters the water leakage groove 26 through the water pipe 6, the motor 23 drives the driving wheel 22 to rotate so as to drive the gear part 21 to rotate, and further the water leakage groove 26 rotates. At this time, the water introduced into the water leakage groove 26 is rotated to flow out through the water leakage hole, and the coffee or tea bag in the filter cup assembly is brewed. This process of the water drain 20 spinning out of the water simulates the brewing action of a manual tea making process so that the coffee or tea bag can be more fully brewed.

Referring to fig. 6, the filter bowl assembly 10 includes a bowl 11 and a filter bowl 12, the bowl 11 being disposed on one side of the base frame 1 and below the bottom plate 4; the cup body 11 can rotate around the base frame 1; the other side of the base frame 1 is provided with a limiting lug 37 of the filter cup assembly 10, the cup body 11 is provided with a limiting groove 38 matched with the limiting lug 37, and the cup body 11 is matched with the limiting groove 38 through the limiting lug 37 to rotate and limit the filter cup assembly 10.

Referring to fig. 6, a water outlet hole is arranged at the bottom of the cup body 11, and a water outlet channel is arranged at the bottom of the water filtering barrel 12; the water outlet channel penetrates through the water outlet hole and is abutted with the wall of the water outlet hole so as to avoid water leakage. The cup body 11 is matched with the water filtering cylinder 12; the filter element is mounted within the filter cartridge 12. The embodiment of the application is provided with the filter elements with various specifications so as to adapt to different brewing demands of users. The larger the filter holes, the larger the speed of the filtered water, and conversely, the smaller the speed of the filtered water.

In this embodiment, the filter element may be provided with a filter hole blocking piece, where the filter hole blocking piece is used to select the number of filter holes for filtering water during brewing, further to control the brewing time of the brewed object, and further to control the brewing concentration.

For example, when brewing coffee, a coffee filter is required to hold coffee packets, and the filter holes of the coffee filter are correspondingly arranged according to the brewing time required by the coffee. When the tea bag is brewed, a filter piece corresponding to tea brewing is needed, for example, the time needed when the black tea is brewed is longer than that of the green tea, therefore, part of filter holes can be plugged by using the filter hole plugging piece, the speed of water falling to the water filtering barrel is slowed down, the black tea bag can be soaked in water more fully, and the brewing concentration is improved.

Referring to fig. 6, a sealing cap 16 for elastically sealing the outflow of the brewing liquid is arranged in the water outlet channel, and a water receiving kettle 36 for receiving the brewing liquid filtered out of the water outlet channel is clamped on the base 35.

Referring to fig. 6, specifically, a sealing cap 16 is penetrated in the water outlet channel, the sealing cap 16 is in an inverted umbrella shape, one end far away from the umbrella part is penetrated with a sealing sheet 17 for sealing the water outlet channel, and the sealing sheet 17 is positioned above the water outlet channel; the water filter cartridge 12 is provided with a third elastic restoring member 18, in this embodiment, the third elastic restoring member 18 is a third spring, the third spring is sleeved on the sealing cap 16, and two ends of the third spring are respectively connected with the bottom of the water outlet channel and the sealing cap 16.

Referring to fig. 6, the water receiving jug 36 comprises a jug cover and a jug body, wherein a protruding part 33 is arranged on the jug cover, and the protruding part 33 is provided with a water receiving port 34 which is communicated with a water outlet channel and a cavity in the jug body. When the water receiving kettle 36 is clamped and arranged on the base 35, the protruding part 33 pushes up the sealing cap 16, so that the sealing cap 16 is displaced upwards, and the third spring is deformed. After the sealing cap 16 is moved upwards, a gap is formed between the sealing piece and a water outlet channel at the bottom of the water filtering barrel 12, and brewing liquid passes through the water receiving port 34 from the water channel at the bottom of the water filtering barrel 12 and enters the kettle body; when the protrusion 33 does not act on the sealing cap 16, the third spring returns to its basic form, and the sealing cap 16 is reset, so that the sealing cap 16 seals the water outlet passage at the bottom of the cartridge 12.

In the embodiment, the top of the base is provided with a heat insulation plate, a cavity is formed in the base, a control circuit board is installed in the cavity, and the control circuit board is respectively connected with the jacking component, the heating pipe, the motor and the temperature sensor through wires;

specifically, when the control circuit board is used for one-time use of the coffee drip filter, the control circuit board receives a brewing instruction, wherein the brewing instruction comprises brewing information, time for brewing the brewing object and the like; the control circuit board can control the driving valve to drive the water guide sheet to lift the sealing shaft for 12 times, and the water outlet quantity is controlled to brew the brewing material by circularly opening the sealing sheet for five seconds and closing the sealing sheet for seven seconds. When the control circuit board controls the action of the driving valve, 10-12V voltage is provided for the driving valve; when the driving valve does not act, the voltage range of the two ends of the driving valve is 7-8V. After the control circuit board obtains the water temperature of the water storage bar according to the temperature sensor, the control circuit board further controls the opening/closing action of the driving valve according to the brewing instruction and the water temperature.

In this embodiment, when the control circuit board receives an instruction for heat preservation of water in the docking kettle, the heat preservation board carries out heat preservation treatment on water in the docking kettle according to the instruction for heat preservation, and in practical application, the heat preservation board heats the water in the docking kettle to 80-90 ℃.

In the embodiment of the present application, the cavity formed in the housing may be cylindrical, square, or rectangular, and is not particularly limited herein.

In the embodiment of the application, the shape of the water leakage groove can be a Y-shaped protruding part, a "+" -shaped protruding part or an L-shaped structure, and the water leakage groove is not particularly limited herein.

In the embodiment of the application, the jacking component can be realized through an electromagnetic valve and a water guide sheet, and the jacking component can also be realized through a cylinder, and the specific method is not particularly limited.

In the embodiment of the present application, the seal shaft may be a seal shaft with a conical lower end, a seal shaft with a circular lower end, or a seal shaft with any practical end, which is not specifically limited herein.

The implementation principle of the application is as follows: when brewing, the corresponding filter piece is selected in advance according to the coffee bag or the tea bag to be brewed, the filter piece is placed in the water filtering cylinder, and then the coffee bag or the tea bag is placed in the filter piece, so that the device can be started. After the equipment is started, the driving valve intermittently drives the water guide sheet to lift the sealing shaft 7 upwards to drive the blocking sheet 8 to be far away from the water inlet 27, so that a water outlet gap is formed between the water pipe 6 and the sealing shaft 7; when the water pipe 6 and the sealing shaft 7 form a water outlet gap, water in the water storage cylinder 29 enters the water pipe 6 from the water outlet gap. The water in the water pipe 6 flows into the water leakage groove 26, and the water leakage groove 26 continuously rotates under the drive of the motor 23, so that the water falls along with the rotation of the water leakage 20, is fully poured on the coffee bag or the tea bag, and continuously falls into the water leakage groove 26.

After a certain period of time, part of the brewing liquid is accumulated in the water leakage groove 26, at this time, the water receiving kettle 36 is clamped on the base 35, the bulge 33 lifts the sealing cap, and the water receiving port 34 is communicated with the water outlet channel. After the sealing cap 16 is moved up, a gap is formed between the sealing piece and the water outlet channel at the bottom of the water filtering barrel 12, and the brewing liquid passes through the water receiving port 34 from the water channel at the bottom of the water filtering barrel 12 and enters the kettle body. After all the brewing liquid is received, the water receiving kettle 36 can be detached for drinking.

According to the application, the sealing shaft 7 arranged in the water pipe 6 is intermittently lifted by the lifting assembly, so that water in the water storage cylinder 29 intermittently falls down, and the water yield is controlled more accurately. Simultaneously, the brewing time length control of different brewing bags is realized by matching with different filtering pieces, and finally, the concentration control after brewing is more accurate.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (6)

1. The coffee drip filter comprises a base frame (1) and a shell (2), wherein the shell (2) is arranged on the base frame (1), and is characterized in that a water guide disc (3) is arranged at the top of the shell (2), a bottom plate (4) is arranged at the bottom of the shell, and a cavity is formed in the shell (2); a bearing plate (5) for dividing the cavity into an upper cavity and a lower cavity is arranged in the cavity; the water guide disc (3) is provided with a water inlet (27), and the receiving plate (5) is provided with a water outlet (28); a water pipe (6) is arranged in the upper cavity, and a water inlet (27) of the water guide disc (3) is communicated with a water outlet (28) of the bearing plate (5) through the water pipe (6); a sealing shaft (7) is arranged in the water pipe (6) in a penetrating way, one end of the sealing shaft (7) extends to the upper part of a water inlet (27) of the water guide disc (3), and a blocking piece (8) for blocking the water inlet (27) is arranged; the other end of the sealing shaft (7) extends to the lower part of the water outlet (28) of the bearing plate (5); the inner wall of the water pipe (6) is provided with a first elastic resetting piece (9) for providing resetting force for the sealing shaft (7); a jacking component for driving the sealing shaft (7) to move upwards is arranged in the lower cavity; the base frame (1) is also provided with a filter cup assembly (10) below the shell (2), the bottom of the filter cup assembly (10) is provided with a water outlet channel, and a filter piece for placing brewing substances is arranged in the filter cup assembly (10);

The jacking component comprises a water guide sheet bracket (19) arranged at the bottom of the bearing plate (5), a water guide sheet which is arranged in the water guide sheet bracket (19) in a sliding manner and used for jacking the sealing shaft (7), and a driving valve (13) for driving the water guide sheet (14) to reciprocate; the output end of the driving valve (13) is connected with the water guide sheet, and the driving valve (13) is provided with a second elastic reset piece (15) for providing reset force for the water guide sheet (14);

the filter cup assembly (10) comprises a cup body (11) arranged on the base frame and a water filtering cylinder (12) arranged in the cup body (11), wherein a water outlet channel penetrating through the bottom of the cup body (11) is formed in the bottom of the water filtering cylinder (12); the cup body (11) is matched with the water filtering cylinder (12); the filter element is arranged in the water filtering cylinder (12);

A sealing cap (16) is arranged in the water outlet channel in a penetrating way, a sealing sheet (17) for sealing the water outlet channel is arranged at one end, extending to the upper part of the water outlet channel, of the sealing cap (16), and a third elastic reset piece (18) for providing reset force for the sealing cap (16) is arranged at the lower end of the water outlet channel;

Still rotate in the cavity down and be equipped with be used for accepting from water leakage (20) of water outlet in water pipe (6), water leakage groove (26) have been seted up to water leakage groove (20), the intercommunication has been seted up to the bottom of water leakage groove (26) water leakage hole of straining water section of thick bamboo (12), water leakage (20) are followed notch circumference of water leakage groove (26) is provided with gear (21), be provided with in the cavity down with drive wheel (22) of gear (21) meshing, accepting board (5) are provided with motor (23), the output of motor (23) with drive wheel (22) are connected.

2. A coffee drip filter according to claim 1, characterized in that the first elastic return element (9) is a first spring, which is arranged around the sealing shaft (7), one end of the first spring being connected to the water pipe (6) and the other end being connected to the sealing shaft (7).

3. A coffee drip filter according to claim 1, characterized in that the second elastic return element (15) is a second spring, one end of which is connected to the housing (2) of the drive valve (13) and the other end is connected to the water guiding plate (14).

4. A coffee drip filter according to claim 1, characterized in that the third elastic return element (18) is a third spring, one end of which is connected to the lower end of the water outlet channel and the other end is connected to the sealing cap (16).

5. A coffee drip filter as claimed in claim 1, wherein: the upper cavity is also internally provided with a heating pipe for heating the water guide disc (3), and the water guide disc (3) is also provided with a temperature sensor (24).

6. A coffee drip filter according to claim 5, characterized in that it is further provided with a base (35), said base frame (1) being arranged on said base (35); a water receiving kettle (36) for receiving the brewing liquid flowing out from the water outlet channel is arranged on the base (35); the base (35) is also provided with a control circuit board and a heat insulation board for insulating the water receiving kettle (36); the control circuit board is respectively connected with the driving valve (13), the heating pipe, the motor (23), the temperature sensor (24) and the heat insulation board.