CN219183423U

CN219183423U - Multi-mode pressurized hand-press type coffee machine

Info

Publication number: CN219183423U
Application number: CN202222667349.3U
Authority: CN
Inventors: 董启强
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-06-16
Anticipated expiration: 2032-10-10

Abstract

The utility model discloses a multi-mode pressurized hand-press type coffee machine, which comprises an extraction water bin, wherein the top end of the extraction water bin is detachably provided with a cylinder body, the bottom of the cylinder body is connected with a bottom cover, the top of the cylinder body is connected with a top cover, the middle part of the bottom cover is provided with an inserting head, an air hole is arranged in the inserting head, the top of the extraction water bin is provided with an inserting hole, the inserting head is in inserting fit with the inserting hole, and a first pressurizing device or a second pressurizing device is arranged in the cylinder body. The utility model can realize manual pressurization of two modes, is convenient to switch between the two modes, is convenient to operate in both modes, has the characteristics of small structure and strong portability, and is worthy of popularization.

Description

Multi-mode pressurized hand-press type coffee machine

Technical Field

The utility model relates to the technical field of hand-press coffee machines, in particular to a multi-mode pressurized hand-press coffee machine.

Background

The hand-press coffee machine is used for quickly pressing hot water at 92-96 ℃ into a coffee powder cake in a short time under atmospheric pressure, and extracting coffee substances in coffee powder instantly to obtain a part of coffee with rich taste. Most of the existing hand-press coffee machines comprise a frame, a manual pressurizing mechanism, a hydraulic pressure bin and a powder bowl, wherein the manual pressurizing mechanism adopts a gear-rack transmission pressurizing mechanism, so that the volume is large, the appearance is rough, and the portability is poor; most of the existing hand-press coffee machines only have one pressure generation mode, and the use experience is single, so that we redesign the hand-press coffee machine with multiple modes of pressurization.

Disclosure of Invention

The utility model aims to provide a multi-mode pressurized hand-press type coffee machine, which solves the problems that most of the existing hand-press type coffee machines comprise a rack, a manual pressurizing mechanism, a hydraulic pressure bin and a powder bowl, and the manual pressurizing mechanism adopts a gear-rack transmission pressurizing mechanism, so that the volume is large, the appearance is rough, and the portability is poor; most of the existing hand-press coffee machines only have one pressure generation mode, and the problem of single use experience is solved.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a multi-mode pressurized hand-press type coffee machine, includes extraction sump, extraction sump's top demountable installation has the barrel, the bottom of barrel is connected with the bottom, the top of barrel is connected with the top cap, the bottom middle part is provided with the bayonet joint, be provided with the gas pocket in the bayonet joint, extraction sump top is provided with the spliced eye, the bayonet joint is pegged graft with the spliced eye and is cooperated, barrel internally mounted has first pressure device or second pressure device.

Preferably, the first pressurizing device comprises a piston which is slidably connected in the cylinder body, a screw is fixedly connected to the top of the piston, a screw flange nut is rotationally connected to the top cover, the screw flange nut is connected with a screw transmission, a driven right-angle gear is fixedly connected to the lower portion of the screw flange nut, a rotating shaft seat is arranged on the circumferential side wall of the top cover, a rotating shaft is rotationally connected to the rotating shaft seat, a driving right-angle gear is fixedly connected to the tail end of the rotating shaft, the driving right-angle gear is meshed with the driven right-angle gear, and a crank is fixedly connected to one end of the rotating shaft extending out of the top cover.

Preferably, the bottom cover is provided with an outwardly protruding butt joint table on the lower end face, the top of the extraction water bin is provided with a butt joint groove, the butt joint table and the connection relation of the butt joint groove are movable clamping joints, a pair of lug grooves are arranged on the plug hole, a pair of lugs are arranged on the circumferential outer wall of the plug connector, and the connection relation of the lugs and the lug grooves is movable clamping joints.

Preferably, the second pressurizing device comprises a hinging seat fixedly connected to the top cover, a pressing rod is rotatably connected to the hinging seat, a connecting rod is hinged to the tail end of the pressing rod, a bottom rod is fixedly connected to a piston in the second pressurizing device, one end, away from the pressing rod, of the connecting rod is hinged to the bottom rod, and a spring is placed between the top cover and the bottom cover of the second pressurizing device.

Preferably, the connection relationship between the spring and the connecting rod is movable sleeving.

Preferably, a bearing hole is formed in the top wall of the top cover, a bearing is installed in the bearing hole, and the screw flange nut is rotatably connected in the top cover through the bearing.

Preferably, the top of the screw rod is fixedly connected with a limiting rod, and the top cover is fixedly connected with a guide rod which vertically extends upwards.

Preferably, the bottom of the cylinder is connected with a water pipe, a one-way valve is arranged on the water pipe, a drain pipe is connected between the one-way valve on the water pipe and the cylinder, and a stop valve is arranged on the drain pipe.

Compared with the related art, the multi-mode pressurized hand-press coffee machine provided by the utility model has the following beneficial effects:

1. the utility model provides a multi-mode pressurized hand-press type coffee machine, which is characterized in that an extraction water bin is matched with a first pressurizing device, so that a rotating crank is driven by a driving right-angle gear to drive a driven right-angle gear to drive a screw flange nut to rotate, and the screw flange nut drives a screw to move up and down, so that a piston is driven to move downwards to compress air to achieve the pressure required by coffee extraction, and the operation is convenient.

2. The utility model provides a multi-mode pressurized hand-press type coffee machine, which adopts the cooperation of an extraction water bin and a second pressurizing device, so that the spring is extruded by a lever principle, the spring is stressed to move downwards at a constant speed against a piston after the spring is loosened, so that the pressure required by extracting coffee is compressed, the spring can be removed, and the air is compressed by hand-press.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view showing the internal structures of the extraction water sump and the first pressurizing device of the present utility model;

FIG. 3 is a schematic view of a second pressurizing device according to the present utility model;

fig. 4 is a schematic view showing the internal structure of the second pressurizing device according to the present utility model.

Reference numerals in the drawings: 1. extracting a water bin; 2. a first pressurizing device; 3. a second pressurizing device; 4. a cylinder; 5. a top cover; 6. a piston; 7. a screw rod; 8. a lead screw flange nut; 9. driven right angle gears; 10. a driving right angle gear; 11. a rotating shaft; 12. a crank; 13. a rotating shaft seat; 14. a bearing; 15. a bottom cover; 16. a docking station; 17. a butt joint groove; 18. a plug; 19. a bump; 20. air holes; 21. a plug hole; 22. a bump groove; 23. a bottom bar; 24. a connecting rod; 25. a compression bar; 26. a spring; 27. a guide rod; 28. a limit rod; 29. a water pipe; 30. and (5) a water drain pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; 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.

Embodiment one:

referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a multi-mode pressurized hand-press type coffee machine, includes extraction sump 1, extraction sump 1's top demountable installation has barrel 4, barrel 4's bottom is connected with bottom 15, barrel 4's top is connected with top cap 5, bottom 15 middle part is provided with bayonet joint 18, be provided with gas pocket 20 in the bayonet joint 18, extraction sump 1 top is provided with spliced eye 21, bayonet joint 18 and spliced eye 21 grafting cooperation, barrel 4 internally mounted has first pressure device 2 or second pressure device 3.

The first pressurizing device 2 comprises a piston 6 which is slidably connected in the cylinder 4, a screw rod 7 is fixedly connected to the top of the piston 6, a screw rod flange nut 8 is rotationally connected to the top cover 5, the screw rod flange nut 8 is in transmission connection with the screw rod 7, a driven right-angle gear 9 is fixedly connected to the lower portion of the screw rod flange nut 8, a rotating shaft seat 13 is arranged on the circumferential side wall of the top cover 5, a rotating shaft 11 is rotationally connected to the rotating shaft seat 13, a driving right-angle gear 10 is fixedly connected to the tail end of the rotating shaft 11, the driving right-angle gear 10 is meshed with the driven right-angle gear 9, and a crank 12 is fixedly connected to one end of the rotating shaft 11 extending out of the top cover 5.

The bottom cover 15 is provided with an outwards protruding butt joint table 16 on the lower end face, the top of the extraction water bin 1 is provided with a butt joint groove 17, the connection relation between the butt joint table 16 and the butt joint groove 17 is movable clamping, the plugging hole 21 is provided with a pair of lug grooves 22, the circumference outer wall of the plugging head 18 is provided with a pair of lugs 19, and the connection relation between the lugs 19 and the lug grooves 22 is movable clamping.

The top wall of the top cover 5 is provided with a bearing hole, a bearing 14 is arranged in the bearing hole, and the lead screw flange nut 8 is rotatably connected in the top cover 5 through the bearing 14.

The top of the screw rod 7 is fixedly connected with a limiting rod 28, and the top cover 5 is fixedly connected with a guide rod 27 which extends vertically upwards.

In the embodiment, the first pressurizing device 2 at the upper part pressurizes air, the compressed air can reach the extraction water sump 1 from the air holes 20 to pressurize the water sump, and the water in the extraction water sump 1 is dispersed evenly from the water diversion net to pass through the coffee powder and then is discharged, so that the aim of extracting the concentrated coffee is fulfilled; the crank 12 is rotated to drive the screw flange nut 8 to rotate through the right-angle gear transmission, the screw flange nut 8 drives the screw 7 to move up and down, so that the piston 6 is driven to move downwards to compress air to achieve the pressure required by coffee extraction, and in the use process, the limiting rod 28 is matched with the guide rod 27, so that the rotation of the piston 6 and the screw 7 can be limited, and the screw 7 is forced to lift along the direction of the guide rod 27. The butt joint table 16 is matched with the butt joint groove 17 in a clamping way, so that the stability of the butt-jointed upper pressurizing device can be ensured; when the plug 18 is inserted into the plug hole 21, the lug 19 is aligned with the lug groove 22, and after the plug is inserted, the pressurizing device is rotated to stagger the lug 19 from the lug groove 22, so that the locking is completed.

Embodiment two:

referring to fig. 1-4, on the basis of the first embodiment, the present utility model provides a technical solution: the second pressurizing device 3 comprises a hinging seat fixedly connected to the top cover 5, a pressing rod 25 is rotatably connected to the hinging seat, a connecting rod 24 is hinged to the tail end of the pressing rod 25, a bottom rod 23 is fixedly connected to the piston 6 in the second pressurizing device 3, one end, far away from the pressing rod 25, of the connecting rod 24 is hinged to the bottom rod 23, and a spring 26 is arranged between the top cover 5 and the bottom cover 15 of the second pressurizing device 3.

The connection relation between the spring 26 and the connecting rod 24 is a movable sleeve joint.

In the embodiment, the pressurizing module device is changed into the second pressurizing device 3, the spring 26 is pressed by the lever principle, and after the spring 26 is loosened, the spring 26 is forced to move downwards at a constant speed against the piston 6 so as to compress air to achieve the pressure required by extracting coffee; the spring 26 can also be removed in this embodiment, and the air is compressed by hand pressure; at this time, the pressing rod 25 is hinged to the hinge seat, and one end of the pressing rod 25, which is close to the hinge seat, is hinged to the upper end of the connecting rod 24. In this embodiment, the spring 26 can also be eliminated and the air can be compressed by hand pressure.

Embodiment III:

referring to fig. 1-4, on the basis of the first embodiment, the present utility model provides a technical solution: the bottom of the cylinder body 4 is connected with a water pipe 29, a one-way valve is arranged on the water pipe 29, a drain pipe 30 is connected between the one-way valve on the water pipe 29 and the cylinder body 4, and a stop valve is arranged on the drain pipe 30.

In the embodiment, in the process of ascending the piston 6, negative pressure is formed in the cylinder 4 to suck water into the cylinder 4 from the water pipe 29, the one-way valve limits water flow after water is fully extracted to form a closed space in the cylinder 4, and the piston 6 is pressed down to form water pressure. It is easier to compress the water to the pressure required for extracting the coffee than to compress the air. After the shut-off valve is opened, the water in the cylinder 4 can be discharged.

Claims

1. The utility model provides a multi-mode pressurized hand-press coffee machine, includes extraction sump (1), its characterized in that: the top demountable installation of extraction sump (1) has barrel (4), the bottom of barrel (4) is connected with bottom (15), the top of barrel (4) is connected with top cap (5), bottom (15) middle part is provided with bayonet joint (18), be provided with gas pocket (20) in bayonet joint (18), extraction sump (1) top is provided with spliced eye (21), bayonet joint (18) are pegged graft with spliced eye (21) cooperation, barrel (4) internally mounted has first supercharging device (2) or second supercharging device (3).

2. The multi-mode pressurized hand-operated coffee machine according to claim 1, wherein the first pressurizing device (2) comprises a piston (6) which is slidably connected in a cylinder body (4), a screw rod (7) is fixedly connected to the top of the piston (6), a screw rod flange nut (8) is rotationally connected to the top cover (5), the screw rod flange nut (8) is in transmission connection with the screw rod (7), a driven right-angle gear (9) is fixedly connected to the lower portion of the screw rod flange nut (8), a rotating shaft seat (13) is arranged on the circumferential side wall of the top cover (5), a rotating shaft (11) is rotationally connected to the rotating shaft seat (13), a driving right-angle gear (10) is fixedly connected to the tail end of the rotating shaft (11), the driving right-angle gear (10) is meshed with the driven right-angle gear (9), and one end of the rotating shaft (11) extending out of the top cover (5) is fixedly connected with a crank (12).

3. The multi-mode pressurized hand-press coffee machine according to claim 1, wherein an outwardly protruding butt joint table (16) is arranged on the lower end face of the bottom cover (15), a butt joint groove (17) is arranged at the top of the extraction water sump (1), the butt joint table (16) and the butt joint groove (17) are movably clamped, a pair of lug grooves (22) are arranged on the plug hole (21), a pair of lugs (19) are arranged on the circumferential outer wall of the plug connector (18), and the connection relation between the lugs (19) and the lug grooves (22) is movably clamped.

4. A multi-mode pressurized hand coffee machine according to claim 1, wherein the second pressurizing device (3) comprises a hinge seat fixedly connected to the top cover (5), a pressing rod (25) is rotatably connected to the hinge seat, a connecting rod (24) is hinged to the tail end of the pressing rod (25), a bottom rod (23) is fixedly connected to the piston (6) in the second pressurizing device (3), one end of the connecting rod (24) far away from the pressing rod (25) is hinged to the bottom rod (23), and a spring (26) is arranged between the top cover (5) and the bottom cover (15) of the second pressurizing device (3).

5. A multi-mode pressurized hand coffee machine according to claim 4, wherein said spring (26) and said connecting rod (24) are connected in a movable socket.

6. A multi-mode pressurized hand coffee machine according to claim 2, characterized in that the top wall of the top cover (5) is provided with bearing holes in which bearings (14) are mounted, and the screw flange nut (8) is rotatably connected in the top cover (5) by means of the bearings (14).

7. A multi-mode pressurized hand coffee machine according to claim 2, wherein the top of the screw (7) is fixedly connected with a limit rod (28), and the top cover (5) is fixedly connected with a guide rod (27) extending vertically upwards.

8. The multi-mode pressurized hand-operated coffee machine according to claim 1, wherein the bottom of the cylinder (4) is connected with a water pipe (29), a one-way valve is arranged on the water pipe (29), a drain pipe (30) is connected between the one-way valve on the water pipe (29) and the cylinder (4), and a stop valve is arranged on the drain pipe (30).