CN215899415U - Novel portable easy-to-clean coffee filter pressing device - Google Patents

Abstract

A novel portable easy-cleaning coffee filter pressing device comprises a filter pressing outer barrel and a push rod inner barrel, wherein the top opening of the filter pressing outer barrel is suitable for pushing the push rod inner barrel, the bottom of the filter pressing outer barrel is detachably connected with a bottom cover, the bottom cover and the filter pressing outer barrel form a pressure cavity for containing coffee powder and water, a silica gel sealing ring and a filter screen are respectively arranged on the side wall and the bottom surface of the lower portion of the push rod inner barrel, a finished product cavity is formed in the push rod inner barrel above the filter screen, the push rod inner barrel pushes the pressure cavity, coffee liquid is filtered from the pressure cavity into the finished product cavity through the movement of the filter screen, the end surface of the bottom cover forms a lower stopping point for downwards pushing the push rod inner barrel, the push rod inner barrel can be abutted against the end surface of the bottom cover, an annular sealing body is arranged at the joint between the bottom cover and the filter pressing outer barrel, the waste of the coffee liquid can be reduced, and the coffee residues can be more thoroughly poured, easy cleaning and simple structure.

Description

Novel portable easy-to-clean coffee filter pressing device

Technical Field

The utility model relates to the field of coffee brewing devices, in particular to a novel portable easy-to-clean coffee filter pressing device.

Background

Common filter-pressing coffee pot on the market generally adopts the filter-pressing structure at present, pours hot water into to coffee powder promptly and soaks and stew, reaches to press the filter-pressing pull rod after the time of infusing, filters coffee sediment and pours out coffee liquid, but present filter-pressing device is used for bearing the filter-pressing bottom of cup of coffee powder residue because belong to the blind end, consequently causes the filter-pressing cup to be difficult to wash easily, and long-term time, the bottom of filter-pressing cup can form the scale deposit.

Therefore, a coffee filter pressing device with a structure shown in fig. 10 appears on the market at present, the coffee filter pressing device comprises a circular tube-shaped outer cylinder 1 and a push rod inner cylinder 2 which slides linearly in the filter pressing outer cylinder, a coffee cup 3 used for bearing coffee powder is detachably mounted at the lower port of the outer cylinder 1, a liquid outlet hole 4 for dripping coffee liquid is formed in the bottom wall of the coffee cup, when the coffee filter pressing device is used, coffee filter paper 5 is required to be placed at the bottom of the coffee cup, the coffee powder is placed in the coffee cup, the coffee cup is assembled at the bottom of the outer cylinder, hot water and the coffee powder are poured from the upper port of the outer cylinder to be mixed to form the coffee liquid, the coffee liquid is pushed into the outer cylinder through the push rod inner cylinder, the coffee filter paper filters the coffee liquid, and then the coffee liquid flows out from the liquid outlet hole downwards, and the coffee filter pressing process is completed.

However, in the coffee press-filtering device with the structure, because the coffee cup has a certain thickness, the lower stop position at the bottom of the push rod inner cylinder for squeezing and pushing the coffee liquid can only reach the lower port or the position above the lower port of the outer cylinder, when coffee residues only occupy half of the space in the coffee cup, the other half of the coffee liquid is not squeezed and pushed in place by the push rod inner cylinder, so that the coffee liquid is wasted, and when the coffee residues are poured out after the coffee press-filtering, the coffee residues in the coffee cup are easy to accumulate, the user needs to wash with clean water, the user cannot confirm the clean coffee cup, and the coffee cup after flushing needs to be wiped dry, and cannot be assembled quickly and reused.

Therefore, further improvements in the coffee press are desired.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the existing problems and provides a novel portable easy-to-clean coffee filter pressing device which is simple and reasonable in structure, and has the functions of enabling the coffee filter pressing device to be easy to clean, thoroughly discharging coffee residues without washing with clean water and preventing the coffee residues from being accumulated.

The utility model provides a novel portable easily washs coffee filter-pressing device, includes filter-pressing urceolus and push rod inner tube, and filter-pressing urceolus open-top is suitable for the push rod inner tube to push, and the bottom detachable connection of filter-pressing urceolus has the bottom, and bottom and filter-pressing urceolus constitute the pressure chamber that is used for holding coffee powder and water, lateral wall and the bottom surface of push rod inner tube lower part are provided with silica gel sealing washer and filter screen respectively, form the finished product chamber in the push rod inner tube of filter screen top, the push rod inner tube pushes the pressure chamber, crosses coffee liquid to the finished product intracavity from the pressure chamber filtration through the filter screen motion, the terminal surface of bottom has constituted the lower ending point that the push rod inner tube bulldozes downwards, makes the push rod inner tube can offset with the terminal surface of bottom, the junction between bottom and the filter-pressing urceolus is provided with annular seal.

The utility model can also be solved by adopting the following technical measures:

the push rod inner tube comprises a straight tubular inner tube body, the inner tube body forms the side wall of the push rod inner tube, the lower opening of the inner tube body is integrally formed with a filter screen made of metal materials through injection molding, the filter screen forms the bottom surface of the push rod inner tube, and the filter screen and the inner tube body are surrounded to form a finished product cavity.

The lower opening of the inner cylinder body extends to form connecting ribs for supporting the filter screen, and a communication opening is formed between the connecting ribs.

The upper opening of the inner cylinder body is outwards obliquely extended with an outer edge.

An inner ring groove is formed in the end face of the bottom cover, the annular sealing body is installed in the inner ring groove, and when the filter pressing outer cylinder is pressed on the end face of the bottom cover, the annular sealing body is abutted to the bottom edge of the filter pressing outer cylinder.

And a positioning convex ring for limiting the peripheral side of the filter pressing outer cylinder extends upwards from the edge of the bottom cover.

The end of filter-pressing urceolus has the sealed clamping ring of hugging closely with the bottom terminal surface along extending to the outside, installs the hoop in the sealed clamping ring, the bottom terminal surface corresponds the hoop and installs the complex magnet ring of constituteing magnetism to inhale.

A plurality of vertically arranged convex ribs are uniformly distributed on the outer wall surface of the inner cylinder body along the circumferential direction, the push rod inner cylinder and the filter pressing outer cylinder form a tight-entering type sliding fit through the convex ribs, and an inclined leading-in surface is arranged at the bottom of each convex rib.

The outer side wall lower part indent of push rod inner tube is equipped with the recess, the recess endotheca is equipped with the silica gel sealing washer, the silica gel sealing washer supports with the internal face sealed of filter-pressing urceolus.

An upper cover is detachably arranged at the upper opening of the inner cylinder body, and an exhaust passage communicated with the finished product cavity and the outside air is arranged in the upper cover.

The utility model has the following beneficial effects:

the novel portable easy-cleaning coffee filter pressing device is simple in structure and reasonable in design, and due to the fact that coffee powder can be completely compressed through the filter screen on the bottom surface of the push rod inner cylinder, coffee liquid in the pressure cavity can fully flow into a finished product cavity, waste of the coffee liquid is reduced to the maximum extent, and the coffee liquid outlet rate of the filter pressing device is improved;

in addition, the bottom cover used for limiting the bottom wall of the pressure cavity and the filter pressing outer cylinder used for limiting the side wall of the pressure cavity are detachably connected, when coffee filter pressing is finished and coffee residues need to be poured, only the bottom cover needs to be detached, the push rod inner cylinder is further pushed to the lower port of the filter pressing outer cylinder or pushed out of the lower port, the compressed coffee residues in the filter pressing outer cylinder can be thoroughly discharged, the side wall of the filter pressing outer cylinder cannot be adhered with any residues, the coffee filter pressing device is easy to clean and can be quickly assembled for reuse, the bottom cover with small amount of adhered coffee residues is extremely shallow due to the fact that the bottom cover is close to a flat cover, and therefore a user only needs to simply wipe with paper towels, cleaning work can be completed, and the bottom cover is kept clean.

Drawings

FIG. 1 is a schematic cross-sectional exploded view of the present invention.

FIG. 2 is a schematic cross-sectional exploded view of the present invention.

FIG. 3 is an exploded view of the inner barrel of the push rod of the present invention.

FIG. 4 is a schematic view of the filter pressing outer cylinder with a partially broken-away structure according to the present invention.

FIG. 5 is a schematic view of the connection mode between the bottom cover and the outer filter pressing cylinder.

FIG. 6 is a schematic view of a second structure of the connection mode of the bottom cover and the filter pressing outer cylinder.

FIG. 7 is a schematic view of the connection mode of the bottom cover and the filter pressing outer cylinder.

Fig. 8 is a schematic view of the structure of the upper cover of the present invention.

Fig. 9 is a schematic view of the structure of the exhaust passage of the present invention.

Fig. 10 is a schematic diagram of a background structure of the present invention.

Detailed Description

The utility model is further illustrated with reference to the following figures and examples.

Referring to fig. 1 to 9, a novel portable easy-to-clean coffee filter pressing device comprises a filter pressing outer cylinder 1 and a push rod inner cylinder B, wherein an opening at the top of the filter pressing outer cylinder 1 is suitable for pushing the push rod inner cylinder B, a bottom cover 2 is detachably connected to the bottom of the filter pressing outer cylinder 1, the bottom cover 2 and the filter pressing outer cylinder 1 form a pressure cavity a1 for containing coffee powder and water, a silica gel sealing ring 8 and a filter screen 5 are respectively arranged on the side wall and the bottom surface of the lower portion of the push rod inner cylinder B, a finished product cavity B1 is formed in the push rod inner cylinder B above the filter screen 5, the push rod inner cylinder B is pushed into the pressure cavity a1, coffee liquid is filtered from the pressure cavity a1 into a finished product cavity B1 through the movement of the filter screen 5, a lower stop point T for pushing the push rod inner cylinder B downwards is formed on the end surface of the bottom cover 2, the push rod inner cylinder B can be abutted against the end surface of the bottom cover 2, and an annular sealing body 3 is arranged at the joint between the bottom cover 2 and the filter pressing outer cylinder 1, the coffee filter pressing device with the structure can reduce waste of coffee liquid, is more thorough when pouring coffee residues, is easy to clean and has a simple structure.

Further, the push rod inner cylinder B comprises a straight tubular inner cylinder body 4, the inner cylinder body 4 forms the side wall of the push rod inner cylinder B, the lower opening of the inner cylinder body 4 is integrally formed with a filter screen 5 made of metal materials through injection molding, the filter screen 5 forms the bottom surface of the push rod inner cylinder B, the filter screen 5 and the inner cylinder body 4 are surrounded to form a finished product cavity B1, the inner cylinder body 4 and the filter screen 5 are integrally formed, the connection strength between the inner cylinder body 4 and the filter screen 5 can be increased, the push rod inner cylinder B is durable in fastening, and the problem that coffee powder flows into the finished product cavity B1 due to the fact that the inner cylinder body 4 and the filter screen 5 are easily loosened and separated in a traditional connection mode is solved.

Further, connecting ribs 41 for supporting the filter screen 5 extend from the lower opening of the inner cylinder 4, a communication opening 42 is formed between the connecting ribs 41, the shape of the filter screen 5 is supported by the connecting ribs 41, the deformation of the middle part of the filter screen 5 after being pressed is prevented, and the formed communication opening 42 does not influence the coffee liquid in the pressure chamber a1 to pass through the filter screen 5 and enter the finished product chamber B1.

Further, the upper opening of the inner cylinder 4 is inclined outwards to form an outer edge 43, coffee in the finished product cavity B1 can be poured out conveniently through the outer edge 43, the function of a kettle nozzle is achieved, and in addition, when the push rod inner cylinder B is pulled out, the hand feeling is better, and the radian of fingers is fitted.

Further, an inner annular groove 21 is formed in the end face, corresponding to the bottom edge of the filter pressing outer cylinder 1, of the bottom cover 2, the annular sealing body 3 is installed in the inner annular groove 21, when the filter pressing outer cylinder 1 is pressed on the end face of the bottom cover 2, the annular sealing body 3 abuts against the bottom edge of the filter pressing outer cylinder 1, at least one circle of sealing lip 301 extending out of the inner annular groove 21 is arranged on the annular sealing body 3, and a small sealing groove 101 matched with the sealing lip 301 is formed in the bottom edge of the filter pressing outer cylinder 1.

The annular sealing body 3 can be a sealing ring made of silica gel.

Further, a positioning convex ring 22 for limiting the peripheral side of the filter pressing outer cylinder 1 extends upwards from the edge of the bottom cover 2, the position of the bottom cover 2 relative to the filter pressing outer cylinder 1 can be fixed through the positioning convex ring 22, the positioning convex ring 22 can also form tight fit connection with the filter pressing outer cylinder 1, and the bottom cover 2 can be fixed at the bottom of the filter pressing outer cylinder 1 through tight fit.

Further, a sealing press ring 11 tightly attached to the end face of the bottom cover 2 extends outwards from the bottom edge of the filter pressing outer cylinder 1, an upper groove 111 is formed in the lower end face of the sealing press ring 11, an iron ring 6 is installed in the upper groove 111, an outer ring groove 23 is formed in the upper end face of the bottom cover 2 corresponding to the iron ring 6, and a magnet ring 7 which is in magnetic attraction fit with the iron ring 6 is installed in the outer ring groove 23;

the iron ring 6 and the magnet ring 7 are assembled through the upper groove 111 and the outer ring groove 23, the lower end face of the sealing compression ring 11 and the upper end face of the bottom cover 2 can be kept flat, the two can be sealed and abutted, in addition, the bottom cover 2 is fixed at the bottom of the filter pressing outer barrel 1 through the magnet ring 7 and the iron ring 6, the convenience of disassembly is kept while the connection is firm, the coffee filter pressing device filled with coffee liquid can be moved at will, and the problem that the bottom cover 2 falls is not needed to be worried.

In addition, the bottom cover 2 can be detachably connected with the filter pressing outer cylinder 1 or the sealing press ring 11 in a buckling, screwing, thread and other modes; the method comprises the following steps: a fastening groove 201 is formed in the positioning convex ring 22 of the bottom cover 2, a fastening block 112 matched with the fastening groove 201 is arranged on the side wall of the sealing press ring 11, and fastening connection is realized by matching the fastening groove 201 and the fastening block 112; the bottom cover 2 can also be provided with a plurality of screwing grooves 202, the sealing press ring 11 is provided with screwing blocks 113 matched with the screwing grooves 202, and the bottom cover 2 is fastened at the bottom of the filter pressing outer cylinder 1 through circumferential rotation; the outer wall of the sealing press ring 11 can be provided with an external thread 114, the inner wall of the positioning convex ring 22 is provided with an internal thread 203, and the bottom cover 2 is connected to the bottom of the filter pressing outer cylinder 1 through thread fit.

Further, a plurality of vertically arranged convex ribs 401 are uniformly distributed on the outer wall surface of the inner cylinder 4 along the circumferential direction, the push rod inner cylinder B and the filter pressing outer cylinder 1 form a tight-in sliding fit through the convex ribs 401, an inclined lead-in surface 402 is arranged at the bottom of the convex ribs 401, the inner cylinder 4 is tightly matched with the filter pressing outer cylinder 1 after being pushed into the pressure cavity a1 through the convex ribs 401, no radial loose space exists, meanwhile, a gap is kept between the inner cylinder 4 and the inner wall surface of the filter pressing outer cylinder 1, and the push rod inner cylinder B is prevented from being difficult to push and pull due to the fact that the outer wall surface of the inner cylinder 4 is adhered to the inner wall surface of the filter pressing outer cylinder 1.

Further, a groove B2 is concavely arranged on the lower portion of the outer side wall of the push rod inner cylinder B, a silica gel sealing ring 8 is sleeved in the groove B3, the silica gel sealing ring 8 is in sealed abutting contact with the inner wall surface of the filter pressing outer cylinder 1, so that coffee liquid in the pressure cavity A1 can only pass through the filter screen 5, and the coffee liquid is prevented from being sprayed out of the coffee filter pressing device from a gap between the filter pressing outer cylinder 1 and the push rod inner cylinder B.

Further, an upper cover 9 is detachably mounted on an upper opening of the inner cylinder body 4, an exhaust channel for communicating the finished product cavity with outside air is arranged in the upper cover, and the top surface of the upper cover 9 is arc-shaped, so that when a user pushes and presses the top of the push rod inner cylinder B downwards by hands, the hand feeling is more comfortable.

Further, the structure of the upper cover 9 mainly includes a cover surface 901, an edge of the cover surface 901 extends downward to form a cover ring 902 defining the circumference of the outer edge 43, an exhaust gap 9a is formed between the cover ring 902 and the outer edge, a plurality of rib plates 903 connected in a radial direction extend from a bottom end surface of the cover surface 901, the rib plates 903 are pressed against an upper end surface of the outer edge 43 to form a middle channel 9B, an extension part 904 extending into the inner cylinder 4 is arranged near an inner side of the rib plate 903, an inner channel 9c is formed between two adjacent extension parts 904, the inner channel 9c, the middle channel 9B and the exhaust gap 9a together form an exhaust channel, the exhaust channel exhausts high-temperature air compressed in the finished product cavity B1 to outside air during the coffee filtering process, so that the air pressure in the finished product cavity B1 is equalized, the resistance when the push rod inner cylinder B is pushed is reduced, and the exhaust end of the exhaust channel is downward, this setting can prevent that high temperature steam from scalding positions such as user's finger.

The coffee press device with the structure is used as follows:

when coffee is brewed, the bottom cover 2 is assembled to the bottom of the filter pressing outer cylinder 1 through magnetic attraction matching to form a pressure cavity A1, a gap between the coffee powder and boiled water is sealed through the annular sealing body 3, then the coffee powder and the boiled water are poured into the pressure cavity A1 through the upper port of the filter pressing outer cylinder 1, the coffee powder and the boiled water are mixed for a period of time to form coffee liquid, then the filter pressing outer cylinder 1 is placed on a table, the push rod inner cylinder B is pushed into the pressure cavity A1, the push rod inner cylinder B is pressed downwards through a hand, the filter screen 5 is movably moved downwards to the bottom of the pressure cavity A1 to compress coffee powder residues, the coffee liquid passes through the filter screen 5 to reversely flow into the finished product cavity B2 in the process, and finally the upper cover is opened, and the coffee liquid in the finished product cavity B2 is poured out for drinking.

When pouring the coffee residues, the bottom cover 2 is firstly detached, then the push rod inner cylinder B is continuously pushed and pressed, the coffee residues after being extruded and compressed are completely extruded through the lower port of the filter pressing outer cylinder 1 through the bottom of the push rod inner cylinder B, no coffee residues are remained on the inner wall surface of the filter pressing outer cylinder 1, and when a small amount of coffee residues are adhered to the upper end surface (defining the bottom wall part of the pressure cavity A1), the upper end surface of the bottom cover 2 only needs to be wiped by a piece of paper towel, so that the coffee residues can be reused again without being washed by water.

The foregoing is a preferred embodiment of the present invention, and the basic principles, principal features and advantages of the utility model are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but various changes and modifications may be made without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims (10)

1. The utility model provides a novel portable coffee filter-pressing of easily wasing device, includes filter-pressing urceolus and push rod inner tube, and filter-pressing urceolus open-top is suitable for the push rod inner tube to push, and the bottom detachable connection of filter-pressing urceolus has a bottom, and bottom and filter-pressing urceolus constitute the pressure chamber that is used for holding coffee powder and water, lateral wall and the bottom surface of push rod inner tube lower part are provided with silica gel sealing washer and filter screen respectively, form the finished product chamber in the push rod inner tube of filter screen top, the push rod inner tube pushes the pressure chamber, crosses coffee liquid to the finished product intracavity, its characterized in that from the pressure chamber filtration through the filter screen motion: the end face of the bottom cover forms a lower stopping point for pushing the push rod inner cylinder downwards, so that the push rod inner cylinder can be abutted against the end face of the bottom cover, and an annular sealing body is arranged at the joint between the bottom cover and the filter pressing outer cylinder.

2. A novel portable easy-to-clean coffee press as claimed in claim 1, wherein: the push rod inner tube comprises a straight tubular inner tube body, the inner tube body forms the side wall of the push rod inner tube, the lower opening of the inner tube body is integrally formed with a filter screen made of metal materials through injection molding, the filter screen forms the bottom surface of the push rod inner tube, and the filter screen and the inner tube body are surrounded to form a finished product cavity.

3. A novel portable easy-to-clean coffee press as claimed in claim 2 wherein: the lower opening of the inner cylinder body extends to form connecting ribs for supporting the filter screen, and a communication opening is formed between the connecting ribs.

4. A novel portable easy-to-clean coffee press as claimed in claim 2 wherein: the upper opening of the inner cylinder body is outwards obliquely extended with an outer edge.

5. A novel portable easy-to-clean coffee press as claimed in claim 1, wherein: an inner ring groove is formed in the end face of the bottom cover, the annular sealing body is installed in the inner ring groove, and when the filter pressing outer cylinder is pressed on the end face of the bottom cover, the annular sealing body is abutted to the bottom edge of the filter pressing outer cylinder.

6. A novel portable easy-to-clean coffee press as claimed in claim 1, wherein: and a positioning convex ring for limiting the peripheral side of the filter pressing outer cylinder extends upwards from the edge of the bottom cover.

7. A novel portable easy-to-clean coffee press as claimed in claim 1, wherein: the end of filter-pressing urceolus has the sealed clamping ring of hugging closely with the bottom terminal surface along extending to the outside, installs the hoop in the sealed clamping ring, the bottom terminal surface corresponds the hoop and installs the complex magnet ring of constituteing magnetism to inhale.

8. A novel portable easy-to-clean coffee press as claimed in claim 2 wherein: a plurality of vertically arranged convex ribs are uniformly distributed on the outer wall surface of the inner cylinder body along the circumferential direction, the push rod inner cylinder and the filter pressing outer cylinder form a tight-entering type sliding fit through the convex ribs, and an inclined leading-in surface is arranged at the bottom of each convex rib.

9. A novel portable easy-to-clean coffee press as claimed in claim 1, wherein: the outer side wall lower part indent of push rod inner tube is equipped with the recess, the recess endotheca is equipped with the silica gel sealing washer, the silica gel sealing washer supports with the internal face sealed of filter-pressing urceolus.

10. A novel portable easy-to-clean coffee press as claimed in claim 2 wherein: an upper cover is detachably arranged at the upper opening of the inner cylinder body, and an exhaust passage communicated with the finished product cavity and the outside air is arranged in the upper cover.

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