Filtering device for coffee machine

Abstract

The utility model discloses a filtering device for a coffee machine, which comprises a device main body with an inner cavity, a filter is arranged in the inner cavity, the top of the filter and the inner cavity are enclosed to form an area for accommodating coffee powder, the filter can reciprocate up and down along the device main body, and when the filter moves from bottom to top, the filter is driven by the filter to rotate. The top of the filter is used for pushing the brewed coffee grounds to be loose or out of the inner cavity, and a manual connecting rod assembly for driving the filter to move is arranged between the device main body and the filter. Coffee grounds in the filter can be easily cleaned.

Description

TECHNICAL FIELD

[0001] The utility model relates to coffee machine technical field, especially a filter device for coffee machine. BACKGROUND

[0002] The semi-automatic pressure coffee machine is common on the market, and the manual operation thereof includes grinding, pressing, powder loading, brewing and manual residue removal. The coffee powder is placed in the filter to form a powder cake, and then the filter is installed on the coffee machine to brew, so that the coffee residue after high-pressure extraction is difficult to separate from the filter by pouring operation, that is, it is difficult to remove the coffee residue in the filter. SUMMARY

[0003] The utility model discloses a filter device for coffee machine which solves the technical problems of the prior art.

[0004] The utility model discloses a filter device for coffee machine, including the device main part with the inner chamber, the inner chamber is installed with the filter, the filter top with the inner chamber surrounds and forms the area of containing coffee powder, the filter can reciprocate up and down along the device main part, when the filter moves from bottom to top, the top of the filter will top loose or eject the coffee residue after brewing to the outside of the inner chamber, the device main part is equipped with the manual connecting rod assembly between the filter and the filter and is driven to move.

[0005] As preferred, the device main body includes a funnel and a handle portion, the handle portion is located on the side of the funnel, and the inner cavity is located in the funnel.

[0006] Further optimization, the manual connecting rod assembly includes a connecting rod portion, a transmission portion and a driving portion, one end of the connecting rod portion is movably connected to the filter, the other end is connected to the transmission portion, the transmission portion is connected to the connecting rod portion and the driving portion, manual force is applied to the driving portion, so that the transmission portion drives the connecting rod portion to act through the driving portion, and the connecting rod portion drives the filter to reciprocate up and down.

[0007] Further optimization, the connecting rod portion includes a first connecting rod and a second connecting rod, one end of the first connecting rod is movably connected to the central part of the bottom of the filter, the other end is movably connected to the second connecting rod, and the other end of the second connecting rod is movably connected to the transmission portion.

[0008] Further optimization, the transmission portion includes a driving shaft, a gear structure and a rack structure, the second connecting rod is connected to the driving shaft, the second connecting rod rotates to act through the driving shaft, the gear structure is rotatably connected to the funnel, the driving shaft is rotatably connected to the funnel, the gear structure is connected to the driving shaft, the driving shaft rotates through the gear structure, the driving portion is movably connected to the funnel, and the rack structure is arranged on the driving portion and matched with the gear structure.

[0009] Further optimization, the driving part has a first end and a second end, the rack structure is located at the first end, the second end is a force applying end, and the driving part is provided with a reset elastic member between the handle part.

[0010] Further optimization, the number of the first connecting rods and the second connecting rods is two, the two first connecting rods are parallel to each other and connected to the filter through a first pin shaft, the two first connecting rods are also connected to the two second connecting rods synchronously through a second pin shaft, and the two second connecting rods are connected to the driving shaft synchronously at the other ends.

[0011] Further optimization, the number of the gear structures is two, and the two gear structures are symmetrically connected to the driving shaft, the second connecting rods are located between the two gear structures, and the driving part has two first ends, and the two first ends symmetrically extend to the two ends of the driving shaft and are provided with rack structures matched with the corresponding gear structures.

[0012] Further optimization, the filter comprises a support and a filter sheet, the connecting rod part is connected to the bottom of the support, the support reciprocates up and down along the inner cavity of the funnel, the filter sheet is installed on the top of the support, the filter sheet and the inner cavity form a region for containing coffee powder, and a sealing ring is arranged between the support and the inner cavity wall.

[0013] Further optimization, the bottom of the funnel is connected with a water separating nozzle.

[0014] The technical effect of the utility model is that the filter reciprocates up and down along the inner cavity of the funnel, the filter and the funnel or the handle are provided with a manual connecting rod assembly, manual force is applied to the manual connecting rod assembly, the manual connecting rod assembly drives the filter to rise, the filter lifts the coffee residue, the coffee residue is loosened or directly lifted out of the funnel, when the manual force is removed, the filter automatically falls to the bottom of the inner cavity of the funnel under the reset elastic force of the reset elastic member in the manual connecting rod assembly, the overall structure is simple and easy to realize, the coffee residue is very labor-saving to clean, and the filter is very convenient to clean. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the overall structure explosion drawing of the utility model;

[0016] Figure 2 is the overall structure sectional view when the filter rises;

[0017] Figure 3 is the overall structure sectional view when the filter falls;

[0018] Figure 4 is the structure drawing of the filter and the manual connecting rod assembly;

[0019] Figure 5 is the structure explosion drawing of the device main body and the water separating nozzle.

[0020] In the figure: 1, device main body; 11, funnel; 12, inner cavity; 13, handle part; 14, spiral groove; 2, filter; 21, support; 22, filter sheet; 23, sealing ring; 3, manual connecting rod assembly; 31, connecting rod part; 311, first connecting rod; 312, second connecting rod; 313, first pin shaft; 314, second pin shaft; 32, transmission part; 321, drive shaft; 322, gear structure; 323, rack structure; 33, driving part; 331, first end part; 332, second end part; 333, third pin shaft; 4, reset elastic member; 5, water distribution nozzle; 51, protruding block. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art belong to the protection scope of the utility model.

[0022] The utility model provides a kind of filter device for coffee machine, it includes device main body 1, device main body 1 mainly includes funnel 11 and handle part 13, handle part 13 is connected to funnel 11 outer wall side, funnel 11 has inner cavity 12 in, inner cavity 12 is equipped with filter 2, filter 2 includes support 21 and filter sheet 22, support 21 is filter 2 main body, support 21 is equipped with through-hole, filter sheet 22 is set to support 21 top, filter sheet 22 and inner cavity 12 are enclosed and form the area of the region of the accommodation coffee powder, coffee liquid flows to funnel 11 bottom after passing through filter sheet 22 and support 21, funnel 11 bottom is connected with water distribution nozzle 5, in the embodiment, funnel 11 and water distribution nozzle 5 are connected by buckle or screwing mode, so that water distribution nozzle 5 is axially rotated relative to funnel 11, water distribution nozzle 5 and funnel 11 are detachably connected, it is convenient to clean water distribution nozzle 5 and funnel 11 inside, water distribution nozzle 5 has one or more than one liquid outlet, and the coffee liquid flowing from funnel 11 is shunted. Figure 5 As shown, protruding block 51 is equipped on the inner circumferential wall of the top of water distribution nozzle 5, spiral groove 14 is equipped on the outer circumferential of the bottom of funnel 11, protruding block 51 and spiral groove 14 are buckled and matched to realize buckle connection.Screwing mode is that inner thread is equipped on the top of water distribution nozzle 5, and outer thread is equipped on the outer circumferential of the bottom of funnel 11.

[0023] The bracket 21 and the filter sheet 22 can be reciprocated up and down along the device body 1 by the manual linkage assembly 3. When the bracket 21 and the filter sheet 22 are located below the inner cavity 12 of the funnel 11, coffee powder is put into the inner cavity 12 for brewing. After the brewing is completed, the bracket 21 is moved from bottom to top under the driving of the manual linkage assembly 3. The filter sheet 22 is moved upward along the inner cavity 12 together with the bracket 21. The filter sheet 22 pushes the coffee residue from bottom to top, so that the coffee residue is pushed out of the inner cavity 12, which facilitates the cleaning of the filter 2.

[0024] The manual linkage assembly 3 comprises a linkage part 31, a transmission part 32 and a driving part 33. One end of the linkage part 31 is movably connected to the filter 2, and the other end is connected to the transmission part 32. The transmission part 32 is connected to the linkage part 31 and the driving part 33. The driving part 33 is manually forced to work, which drives the transmission part 32 to work, and the transmission part 32 drives the linkage part 31 to work, so that the linkage part 31 drives the bracket 21 to reciprocate up and down.

[0025] Further, the linkage part 31 comprises a first linkage 311 and a second linkage 312. One end of the first linkage 311 is hingedly connected to the bottom center of the bracket 21, and the other end is hingedly connected to the second linkage 312. The other end of the second linkage 312 is hingedly connected to the transmission part 32. The transmission part 32 is connected to the driving part 33. The driving part 33 is used to trigger the transmission part 32 to drive the linkage part 31. The linkage structure is simple, stable and easy to realize.

[0026] Further, the transmission part 32 comprises a driving shaft 321, a gear structure 322 and a rack structure 323. The second linkage 312 is provided with a polygonal hole. The driving shaft 321 is a polygonal shaft. The driving shaft 321 is inserted into the polygonal hole. The two ends of the driving shaft 321 are rotatably connected to the funnel 11, so that the driving shaft 321 rotates to drive the second linkage 312 to rotate. The gear structure 322 is symmetrical and connected to the driving shaft 321. The driving shaft 321 is arranged between the two gear structures 322, that is, the gear structure 322 is fixedly connected to the driving shaft 321. The second linkage 312 is located between the two gear structures 322, so that the gear structure 322 rotates to drive the driving shaft 321 to rotate. Two gear structures 322 are adopted, so that the transmission is more labor-saving and stable.

[0027] Further, the driving part 33 is rotationally connected to the outer wall of the funnel 11 or the handle part 13 close to the funnel 11 through the third pin shaft 333. In the embodiment, the driving part 33 is a rod-shaped structure, which has a first end part 331 and a second end part 332. The front end of the driving part 33 extends to the funnel 11 and bifurcates to the two sides of the funnel 11, that is, close to the two ends of the driving shaft 321, so as to form two first end parts 331. Each first end part 331 is provided with a rack structure 323, which is vertically and obliquely distributed. Each rack structure 323 is engaged with the corresponding gear structure 322. The rear end of the driving part 33 is the second end part 332, which extends to below the handle part 13. The second end part 332 is the force applying action end, and a reset elastic member 4 is arranged between the second end part 332 and the handle part 13. In the embodiment, the reset elastic member 4 is a reset spring, one end of which abuts against the second end part 332, and the other end abuts against the handle part 13. When the reset elastic member 4 is in the natural elongation, the filter 2 is at the bottom of the funnel 11, and the coffee powder is in the inner cavity 12. At this time, it is in the state of being able to brew coffee. After brewing is completed, the second end part 332 is manually lifted upward, the reset elastic member 4 is compressed, and the first end part 331 is correspondingly lowered. The rack structure 323 of the first end part 331 drives the gear structure 322 to rotate clockwise, the rack structure 323 drives the driving shaft 321 to rotate clockwise, the driving shaft 321 rotates to drive the second connecting rod 312 to swing clockwise, the second connecting rod 312 pulls the first connecting rod 311 to rise, so that the first connecting rod 311 lifts the filter 2 upward, the filter 2 rises to lift the coffee residue from the inner cavity 12, so that the coffee residue is loosened, and the filter 2 continues to rise to the top of the inner cavity 12, until the coffee residue is completely lifted out of the inner cavity 12. In this way, the coffee residue is not only convenient to clean, but also convenient to clean the filter 2. When the force applied to the second end part 332 is removed, the reset elastic member 4 is reset to elongate, the second end part 332 is lowered under the driving of the reset elastic member 4, the first end part 331 is correspondingly raised, and the gear structure 322 is correspondingly rotated to the bottom of the rack structure 323, that is, the first end part 331. At this time, the filter 2 is at the bottom of the inner cavity 12 of the funnel 11. The rack structure 323 can be designed in one piece with the first end part 331.

[0028] Further, the number of the first connecting rod 311 and the second connecting rod 312 is two. The two first connecting rods 311 are parallel to each other and are connected through the first pin shaft 313. The two first connecting rods 311 also synchronously connect the two second connecting rods 312 through the second pin shaft 314. The other ends of the two second connecting rods 312 are synchronously connected to the driving shaft 321, so as to ensure the stability and balance of movement.

[0029] The filter 2 comprises a bracket 21 and a filter sheet 22, the connecting rod part 31 is connected to the bottom of the bracket 21, the bracket 21 is located inside the inner cavity 12, the edge of the bracket 21 is tightly abutted on the inner wall of the inner cavity 12, the bracket 21 can reciprocate up and down along the device body 1, the bracket 21 is provided with a through hole, so that the coffee liquid can flow down along the through hole to the bottom of the funnel 11, the filter sheet 22 is installed on the top of the bracket 21, the filter sheet 22 moves up and down with the bracket 21, the filter sheet 22 and the inner cavity 12 enclose to form a region for containing coffee powder, and the sealing ring 23 is arranged between the bracket 21 and the wall of the inner cavity 12.

[0030] The utility model is not limited to the above best embodiment, and anyone can derive other various forms of products under the enlightenment of the utility model, but no matter make any change in its shape or structure, all have the same or similar technical scheme with the application, and fall in the protection scope of the utility model.

Claims

1. A filter device for a coffee machine, characterized in that: The invention comprises a device body (1) having an inner cavity (12), wherein a filter (2) is installed in the inner cavity (12), wherein the top of the filter (2) and the inner cavity (12) enclose an area for accommodating coffee powder, and the filter (2) can make a reciprocating motion up and down along the device body (1). When the filter (2) moves from bottom to top, the top of the filter (2) loosens or pushes the brewed coffee grounds out of the inner cavity (12), and a manual connecting rod assembly (3) for driving the filter (2) to move is provided between the device body (1) and the filter (2).

2. The filter device for a coffee machine according to claim 1, characterized in that: The device body (1) comprises a funnel (11) and a handle portion (13), wherein the handle portion (13) is located on the side of the funnel (11), and the inner cavity (12) is located inside the funnel (11).

3. The filter device for a coffee machine according to claim 2, characterized in that: The manual connecting rod assembly (3) comprises a connecting rod portion (31), a transmission portion (32) and a driving portion (33); one end of the connecting rod portion (31) is movably connected to the filter (2), and the other end is connected to the transmission portion (32); the transmission portion (32) connects the connecting rod portion (31) and the driving portion (33); manually applying force to the driving portion (33) causes the transmission portion (32) to drive the connecting rod portion (31) to move via the driving portion (33), and the connecting rod portion (31) drives the filter (2) to reciprocate up and down.

4. The filter device for a coffee machine according to claim 3, characterized in that: The connecting rod portion (31) comprises a first connecting rod (311) and a second connecting rod (312); one end of the first connecting rod (311) is movably connected to the center of the bottom of the filter (2); the other end of the first connecting rod (311) is movably connected to the second connecting rod (312); and the other end of the second connecting rod (312) is movably connected to the transmission portion (32).

5. The filter device for a coffee machine according to claim 4, characterized in that: The transmission part (32) includes a driving shaft (321), a gear structure (322) and a rack structure (323); the second connecting rod (312) is connected to the driving shaft (321); the second connecting rod (312) is moved by the rotation of the driving shaft (321); the gear structure (322) is rotatably connected to the funnel (11); the driving shaft (321) is rotatably connected to the funnel (11); the gear structure (322) is connected to the driving shaft (321); the driving shaft (321) is driven to rotate by the gear structure (322); the driving part (33) is movably connected to the funnel (11); the rack structure (323) is arranged on the driving part (33) and cooperates with the gear structure (322).

6. The filter device for a coffee machine according to claim 5, characterized in that: The driving portion (33) has a first end portion (331) and a second end portion (332), the rack structure (323) is located at the first end portion (331), the second end portion (332) is a force-applying end, and a reset elastic member (4) is provided between the driving portion (33) and the handle portion (13).

7. The filter device for a coffee machine according to claim 5, characterized in that: The number of the first connecting rod (311) and the second connecting rod (312) is two, the two first connecting rods (311) are parallel to each other and connected to the filter (2) via a first pin shaft (313), the two first connecting rods (311) are also synchronously connected to the two second connecting rods (312) via a second pin shaft (314), and the other ends of the two second connecting rods (312) are synchronously connected to the drive shaft (321).

8. The filter device for a coffee machine according to claim 6, wherein: There are two gear structures (322) symmetrically connected to the drive shaft (321); the second connecting rod (312) is located between the two gear structures (322); the driving portion (33) has two first end portions (331); the two first end portions (331) symmetrically extend to both ends of the drive shaft (321) and are provided with rack structures (323) that cooperate with the corresponding gear structures (322).

9. The filter device for a coffee machine according to claim 3, wherein: The filter (2) comprises a bracket (21) and a filter plate (22), the connecting rod portion (31) is connected to the bottom of the bracket (21), the bracket (21) reciprocates up and down along the device body (1), the filter plate (22) is installed on the top of the bracket (21), the filter plate (22) and the inner cavity (12) enclose an area for accommodating coffee powder, and a sealing ring (23) is provided between the bracket (21) and the wall of the inner cavity (12).

10. The filter device for a coffee machine according to claim 2, wherein: The bottom of the funnel (11) is connected with a water diversion nozzle (5).

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