WO2018001381A1 - 一种用于榨汁机或榨油机的滤网结构及具有该滤网结构的榨汁机或榨油机 - Google Patents

一种用于榨汁机或榨油机的滤网结构及具有该滤网结构的榨汁机或榨油机 Download PDF

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Publication number
WO2018001381A1
WO2018001381A1 PCT/CN2017/091342 CN2017091342W WO2018001381A1 WO 2018001381 A1 WO2018001381 A1 WO 2018001381A1 CN 2017091342 W CN2017091342 W CN 2017091342W WO 2018001381 A1 WO2018001381 A1 WO 2018001381A1
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WIPO (PCT)
Prior art keywords
filter
unit
working
hole
screen
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PCT/CN2017/091342
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English (en)
French (fr)
Inventor
王晓东
Original Assignee
王晓东
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Filing date
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Application filed by 王晓东 filed Critical 王晓东
Publication of WO2018001381A1 publication Critical patent/WO2018001381A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J19/00—Household machines for straining foodstuffs; Household implements for mashing or straining foodstuffs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
    • C11B3/00—Refining fats or fatty oils
    • C11B3/008—Refining fats or fatty oils by filtration, e.g. including ultra filtration, dialysis

Definitions

  • the invention belongs to the field of juicers and oil presses, and more particularly to a filter net structure for a juice extractor or an oil press and a juice extractor or oil press having the same.
  • Existing juicers include centrifugal juicers, vertical screw juicers, horizontal screw juicers, piston juicers, and the like.
  • Existing oil presses include vertical screw presses, horizontal screw presses, piston presses, and the like. Filters are required for all oil presses to separate the extracted cooking oil and residue.
  • the existing filter screen is also a single-layer structure, and the minute filter holes are easily clogged when the oil is squeezed, and it is difficult to clean after being clogged.
  • the existing filter screen is also a single-layer structure, and the minute filter holes are easily clogged when juicing or pressing oil, and it is difficult to clean after being clogged.
  • the present invention provides a screen structure for a juicer or an oil press and a juicer or oil press having the screen structure.
  • the present invention provides a screen structure for a juicer or an oil press, comprising at least two screen units, which are arranged in a stack between the adjacent screen units and form a working filter diameter;
  • the completely fitting portion the filter elements are arranged on the adjacent filter unit, and the filter holes of the adjacent filter unit are alternately arranged to form a working filter hole, and the filter hole and the working filter hole form a working filter diameter;
  • the working filter hole is smaller than the filter hole of the filter unit;
  • At least one filter unit has a filter hole on the adjacent filter unit a member capable of partially blocking the filter hole on the filter unit having the filter hole to form a working filter hole, wherein the working filter hole is a working filter diameter; the working filter hole is smaller than the filter hole of the filter unit; or
  • the gap portion is provided with filter holes on adjacent filter cells, and the filter holes of adjacent filter cells are alternately arranged, and the filter holes and the gap form a working filter diameter; or
  • the gap portion at least one filter unit has a filter hole in the adjacent filter unit, and the adjacent filter unit has a component on the filter unit on the filter unit having the filter hole, The gap and the filter hole form a working filter diameter; or a working filter hole is formed between the component and the filter hole, and the gap, the working filter hole and the filter hole form a working filter diameter.
  • the at least two adjacent screen units are detachably disposed; or at least one of the at least two screen units is detachably disposed between the juicer body; or the at least two filters At least one filter unit in the mesh unit is detachably disposed between the oil press body.
  • the working filter path is in one of the following forms:
  • the completely fitting portion the filter elements are arranged on the adjacent filter unit, and the filter holes of the adjacent filter unit correspond to each other to form a working filter hole, and the filter hole and the working filter hole form a working filter diameter; or
  • the fully fitting portion at least one of the filter unit has a filter hole in the adjacent filter unit, and the adjacent filter unit has a component on the filter unit that can partially block the filter unit having the filter hole.
  • the gap portion is provided with a filter hole on the adjacent filter unit, and the filter holes of the adjacent filter unit correspond to each other to form a working filter hole, the filter hole, the working filter hole and the The gap forms a working filter; or
  • the gap portion a filter hole is disposed on the adjacent filter unit, the filter holes of the adjacent filter unit do not correspond at all, and the filter hole and the gap form a working filter diameter; or
  • the gap portion is: at least one filter unit has a filter hole in the adjacent filter unit, and the adjacent filter unit has a filter hole on the filter unit that can completely block or partially block the filter hole. a component, the gap and the filter hole form a working filter diameter; or a working filter hole is formed between the component and the filter hole, and the gap, the working filter hole and the filter hole form a working filter diameter;
  • the at least one filter unit of the adjacent screen unit has a filter hole, and the filter unit of the fitting portion has a component that can partially block the filter hole on the filter unit having the filter hole to form a working filter.
  • Hole, the filter hole and the working filter hole shape a working filter diameter of the fitting portion;
  • the adjacent screen unit having the gap portion has a member capable of partially blocking or totally blocking the filter hole on the filter unit having the filter hole, the filter hole, and the a working filter diameter in which the gap forms a gap portion; or an adjacent filter unit having a gap portion, a working filter hole is formed between the blocking member and the filter hole, and the gap, the working filter hole and the filter hole are formed Working filter diameter of the gap portion; or
  • Filter holes are arranged on the adjacent filter unit, and a filter hole on the filter unit of the bonding portion and a filter hole on the adjacent filter unit have a partial correspondence to form a working filter hole.
  • the filter hole and the working filter hole form a working filter diameter of the fitting portion; the filter hole on the filter unit of the portion having the gap and the filter hole on the adjacent filter unit partially form a working filter hole
  • the filter hole, the working filter hole, and the working filter diameter of the gap forming the gap portion; or, between the filter hole on the filter unit having the gap portion and the filter hole on the adjacent filter unit Not at all corresponding, the filter hole and the gap form a working filter diameter of the gap portion.
  • At least one surface of the at least one screen unit is provided with a protrusion or a groove.
  • the protrusion is one or more of a point-like protrusion structure, an annular boss structure, a radial shape convex structure, or a strip-shaped convex structure.
  • the groove on the screen unit communicates with the filter hole on the adjacent filter unit when the at least two filter units are stacked, or the groove on the filter unit is stacked when at least two filter units are stacked Not completely obscured by adjacent filter cells.
  • a gap adjusting mechanism is disposed between the at least two filter units to adjust a gap interval between adjacent screen units
  • the gap adjustment mechanism adopts one or more of the following structures:
  • a protrusion is provided on one surface of the at least one screen unit, and the other surface is provided with a groove.
  • a juicer having a screen structure for a juicer or oil press having a screen structure for a juicer or oil press.
  • the juicer is a centrifugal juicer, a vertical screw juicer, a horizontal screw juicer, a screw juicer, a piston juicer or a vacuum piston juicer.
  • the screen structure of the centrifugal juicer comprises a wire mesh assembly and a screen unit, the wire mesh assembly comprising a mesh plate and a cutter head, the filter mesh unit being disposed on the mesh plate of the wire mesh assembly Outer or inner side;
  • the screen structure of the vertical spiral juicer comprises at least two filter net units, which are truncated cone-shaped or cylindrical hollow stencils, which are vertically opened, and are arranged between the filter net units, at least a wall of the screen unit is provided with a convex wall knife, and when the screen unit provided with the convex wall knife is outside, the wall of the inner screen unit has a window or a gap so that the outer screen unit is a raised wall knife on the wall is exposed through the window or void;
  • Each of the filter unit side walls is provided with a filter hole, and the horizontal height of the filter holes on the side walls of the adjacent filter net unit is not completely the same, but there is a part between the filter holes on the adjacent filter net unit.
  • the filter hole and the working filter hole form a working filter diameter; or the center of the filter net unit is an axis, and the horizontal angles of the filter holes on each filter net unit are not completely identical and partially correspond Forming a working filter hole, the filter hole and the working filter hole forming a working filter diameter; or a filter hole on a side wall of each filter net unit, and a portion between the filter holes on the adjacent filter net unit or There is no correspondence at all, there is a gap between the at least two screen units, and the filter holes and the gap form a working filter diameter.
  • the screen structure of the horizontal spiral juicer comprises at least two screen units, which are truncated or cylindrical hollow stencils, which are open at both ends of the horizontal direction, and are arranged between the filter units.
  • the filter unit is a curved mesh plate, and the filter cells are arranged in a stack.
  • the sieve structure of the spiral juicer comprises at least two sieve units, wherein one filter unit is a press bar having a hollow shape juice passage inside, and the filter rod is provided with a filter hole; the other filter unit has The hollow stencil of the filter hole is placed in the press bar or squeezed out, and the opposite faces are completely fitted or have a gap; the filter holes on the adjacent filter cells have a part corresponding to form a working filter. a hole, the filter hole and the working filter hole form a working filter diameter; or a filter hole is arranged on a side wall of each filter unit, and a portion between the filter holes on the adjacent filter unit corresponds or does not correspond at all, There is a gap between the at least two screen units, and the filter holes and the gap form a working filter diameter.
  • the piston type juicer comprises a press cylinder, the screen structure comprising at least two screen units, at least one screen unit being integrated or detachably disposed at a bottom, a lower portion or a side wall of the press cylinder, the filter Set the settings between the network units.
  • the at least two filter cells are all circular in plan view, and the diameters of the filter holes on each filter unit are not completely the same, and the portions correspond to each other to form a working filter hole, and the filter holes and the working filter holes are formed.
  • the hole portions correspond to each other to form a working filter hole, and the filter hole and the working filter hole form a working filter diameter; or, each filter cell unit has a filter hole, and the filter holes on the adjacent filter net unit are not at all
  • the at least two filter cells are arranged in a stacked manner with a gap, and the filter holes and the gap form a working filter diameter.
  • the screen structure of the vacuum piston juicer comprises at least two screen units, at least one of the screen units being integrated or detachably disposed at the bottom, the lower part or the side wall of the press cylinder, and the screen unit is placed between the screen units Settings.
  • An oil press having a screen structure for a juicer or an oil press.
  • the oil press is a vertical screw press, a horizontal screw press, a screw press, a piston press or a vacuum piston press.
  • the screen structure of the vertical screw press comprises at least two screen units, wherein one of the screen units is a squeeze, the squeeze has a feed opening, a slag outlet and an oil outlet, the pressing A vertical screw press bar is installed in the crucible, and the oil discharge filter hole is located on the side wall of the press; the other filter net unit is a hollow net plate having a filter hole, and the hollow net plate with the filter hole is arranged In the squeegee or outside the squeegee, the opposing faces are completely fitted or have a gap; the level of the filter holes on the side walls of the adjacent screen unit are not completely the same, but the phases are There is a partial correspondence between the filter holes on the adjacent filter unit to form a working filter hole, and the filter hole and the working filter hole form a working filter diameter; or the filter cell center is an axis, and each of the filter meshes The horizontal angles of the filter holes on the unit are not completely identical and partially correspond to form a working filter hole, and the filter holes and the working filter holes
  • the screen structure of the horizontal screw press comprises at least two screen units, wherein one of the screen units is a squeeze, the squeeze has a feed port, the tap hole and an oil filter hole, A horizontal screw presser is installed in the press, the oil filter hole is located on the side wall of the press; the other filter unit is a hollow net plate having a filter hole, and the hollow net cover with the filter hole Disposed in the squeeze or outside the squeeze, the opposite faces are completely fitted or have a gap; adjacent to the filter holes on the filter unit are partially corresponding to form a working filter hole, The filter hole and the working filter hole form a working filter diameter; or the center of the filter net unit is an axis, and the angles of the filter holes on each of the filter net units are not completely identical and partially correspond to form a working filter hole The filter hole and the working filter hole form a working filter diameter; or each of the filter net units has a filter hole on a side wall thereof, and a portion between the filter holes adjacent to the filter net unit corresponds or completely No, there is a gap between
  • the screen structure of the screw press comprises at least two screen units, wherein one of the screen units is a press bar having a hollow shape oil outlet passage therein, and the oil press filter hole is arranged on the press rod;
  • the filter unit is a hollow stencil having a filter hole, and the hollow stencil having the filter hole is placed in the press bar or squeezed out, and the opposite faces are completely fitted or have a gap; adjacent to the filter There is a partial correspondence between the filter holes on the net unit to form a working filter hole, and the filter hole and the working filter hole form a working filter diameter; or each of the filter net units has a filter hole on the side wall thereof, and the phase
  • the portions between the filter holes on the adjacent filter unit correspond to or do not correspond at all, and there is a gap between the at least two filter units, and the filter holes and the gap form a working filter diameter.
  • the piston type oil press comprises a press cylinder, the screen structure comprising at least two screen units, at least one screen unit being integrally or detachably disposed at a bottom, a lower portion or a side wall of the press cylinder, the filter Set the settings between the network units.
  • the at least two filter cells are all circular in plan view, and the diameters of the filter holes on each of the filter cells are not completely the same, and the portions correspond to each other to form a working filter hole, the filter hole and the working filter.
  • the hole forms a working filter diameter; or, the at least two filter cells are circular in plan view, and the filter holes on each filter unit are at the same radius, and the filter holes are at different angles, adjacent to the filter
  • the filter holes of the mesh unit correspond to each other to form a working filter hole, and the filter hole and the working filter hole form a working filter diameter; or, each of the filter mesh units has a filter hole on the adjacent filter unit
  • the screen structure of the vacuum piston type oil press comprises at least two screen units, at least one of the screen units being integrated or detachably disposed at the bottom, the lower part or the side wall of the press cylinder, and the filter unit is placed between the screen units Settings.
  • the utility model has the advantages of simple structure and reasonable setting, and at least two filter unit units are stacked to form a smaller working filter hole to filter, and the mouthfeel is finer and finer; the smaller the working filter hole area is, the possibility of blockage increases; the filter unit and The filter unit is detachable, the filter unit is cleaned separately, and the small working filter hole no longer exists. It is only necessary to separately clean the filter hole on the filter unit, the filter hole has a relatively large area and is easy to clean; or There is a gap between the filter elements, and the gap forms a working filter diameter. The smaller the gap, the finer the mouthfeel. The smaller the gap interval, the more likely the blockage is.
  • the filter unit and the filter unit are detachably arranged. When cleaning, the filter unit and the filter unit are disassembled, the gap is no longer present, and each filter unit is separately cleaned, which is easy to clean and overcomes the existing squeeze.
  • the filter holes on the juice machine and the oil press are too small to be cleaned.
  • Fig. 1 is a schematic cross-sectional view showing a first embodiment of the present invention.
  • Fig. 2 is a plan view showing the first specific screen structure of the first embodiment of the present invention.
  • Figure 3 is a plan view showing a second specific screen structure of the first embodiment of the present invention.
  • Fig. 4 is a plan view showing a third specific screen structure of the first embodiment of the present invention.
  • Figure 5 is a schematic cross-sectional view showing a second embodiment of the present invention.
  • Figure 6 is a plan view of a second embodiment of the present invention.
  • Figure 7 is a schematic cross-sectional view showing a fifth embodiment of the present invention.
  • Figure 8 is a plan view of a fifth embodiment of the present invention.
  • Figure 9 is a schematic view showing the structure of a filter screen according to Embodiment 11 of the present invention.
  • Figure 10 is a schematic view showing the structure of a filter screen according to Embodiment 12 of the present invention.
  • Figure 11 is a schematic view showing the structure of a sieve according to a fourteenth embodiment of the present invention.
  • Figure 12 is a schematic view showing the structure of a filter screen according to a fifteenth embodiment of the present invention.
  • Figure 13 is a schematic view showing the structure of a sieve according to Embodiment 16 of the present invention.
  • Figure 14 is a schematic view showing the structure of a seventeenth embodiment of the present invention.
  • Figure 15 is a schematic view showing the structure of a sieve according to Embodiment 18 of the present invention.
  • Figure 16 is a schematic view showing the structure of a filter screen according to a nineteenth embodiment of the present invention.
  • Embodiment 1 A screen structure for a juicer or an oil press, comprising at least two screen units, in operation, the at least two adjacent screen units are stacked, the adjacent screen When the unit is stacked, the opposite faces are completely fitted.
  • FIG. 1 is a schematic cross-sectional view of a screen structure of a first embodiment
  • FIG. 1 is a stacking arrangement of two screen units.
  • the filter unit 1 is provided with a plurality of filter holes 3
  • the filter net unit 2 is provided with a plurality of filter holes 4, and the portions between the filter holes 3 and the filter holes 4 correspond to each other, and are neither completely staggered nor completely corresponding, and the filter holes 3 and the filter holes are The mutually corresponding portions between 4 form a working filter hole 5.
  • the juice (or other extracted liquid, such as edible oil) flows from the filter hole 3 of the sieve unit 1, passes through the working filter 5, and then flows out through the filter hole 4 of the adjacent sieve unit 2, Therefore, the filter hole 3, the working filter hole 5 and the filter hole 4 form a working filter diameter during the juice extraction operation, and function as a filter.
  • the filter holes on the filter unit are point-shaped holes such as circular, elliptical, triangular, square or polygonal holes, and also include slender (straight, curved, polygonal line) slits, and the size of the filter holes on the filter unit. And the shape can be the same or different.
  • FIG. 2 is a plan view showing a first specific filter structure of the first embodiment, the screen unit 1 and the screen unit 2 are in the shape of a circular plate, and the radius of the filter hole 3 on the screen unit 1 is on the screen unit 2
  • the diameters of the filter holes 4 are not exactly the same, and the portions correspond to each other to form the working filter holes 5.
  • FIG 3 is a plan view showing a second specific screen structure of the first embodiment, the screen unit 1 and the screen unit 2 are in the shape of a circular plate, and the radius of the filter hole 3 on the screen unit 1 is on the screen unit 2
  • the filter holes 4 are located at the same radius, the placement angles ⁇ are different, and the portions correspond to each other to form the working filter holes 5.
  • Adjust the placement angle ⁇ of the adjacent filter unit adjust the size of the working filter hole, and adjust to achieve different juice effects to meet the needs of people for various tastes of juice.
  • the screen unit 1 is a grid-shaped filter frame, and the filter unit 2 has a circular plate shape.
  • the filter hole 4 is disposed on the unit 2, and the grid portion of the grid-shaped filter frame partially blocks the filter hole 4 to form the working filter hole 5.
  • the filter unit is not provided with a filter hole.
  • the screen unit 1 can also have other shapes as long as the filter hole 4 can be partially blocked to form a smaller hole, that is, the working filter hole 5.
  • the filter holes 3 (for example, 5 mm in diameter) on the screen unit 1 are alternately arranged with the filter holes 4 (for example, 6 mm in diameter) on the screen unit 2 (ie, the filter holes 3 correspond to the portions of the filter holes 4) or on the screen unit 1
  • the grid and the like partially obstruct the filter hole 4 on the screen unit 2 to form a smaller working filter hole 5 (for example, the working filter hole 5 formed is an approximately oblong shape with two tips, and the widest point is 1 mm).
  • the taste is finer and finer. The smaller the pore area, the greater the possibility of clogging.
  • the filter unit 1 and the filter unit 2 are detachably arranged, and the filter unit 1 and the filter unit 2 are disassembled during cleaning, and the small working filter hole 5 is no longer present, and only the filter unit 1 is separately cleaned.
  • the filter hole 3 and the filter hole 4 on the screen unit 2, the filter hole 3 (or the grid and the like) and the filter hole 4 have a relatively large area, which is easy to clean, and overcomes the difficulty of the filter hole on the existing juicer. Cleaning problem.
  • the filter unit can be detachably arranged.
  • the filter unit When the filter unit is a flat structure or a curved surface structure, it can be directly placed or connected by a buckle; when the filter unit is a cylindrical structure or a horn (round table) structure, it can be directly set. Or connect by snapping, etc.
  • At least one of the at least two screen units is detachably disposed between the juicer body (squeezing chamber or press cylinder).
  • the juicer body squeeze chamber or press cylinder.
  • At least one of the at least two filter unit units and the oil press body are detachably disposed.
  • the filter unit is connected with the juicer or the body of the oil press by means of a threaded fit, a snap or a card slot, or a boss on a different diameter circumference of the body of the juicer (squeezing chamber or press cylinder), different diameters
  • the filter unit cards are placed on different bosses.
  • Embodiment 2 A screen structure for a juicer or an oil press, comprising at least two screen units, in operation, the at least two adjacent screen units are stacked, the adjacent screen There is a gap between the opposing faces when the cells are stacked.
  • FIG. 5 is a cross-sectional view of the second embodiment
  • FIG. 6 is a plan view of the second embodiment.
  • the two screen units are stacked, and the screen unit 1 and the screen unit 2 are stacked to have a gap on the opposite side.
  • the filter unit 1 is provided with a plurality of filter holes 3, and the filter unit 2 is provided with a plurality of filter holes 4, the filter holes 3 and the filter holes 4 do not correspond at all, and there is a gap 6 between the filter net unit 1 and the filter net unit 2.
  • the juice flows from the filter hole 3 of the sieve unit 1, passes through the gap 6, and then flows out through the filter hole 4 of the sieve unit 2, so that the filter hole 3, the gap 6 and the filter hole 4 form a working filter diameter, To the role of filtration.
  • Fig. 6 is a plan view of Fig. 5. As shown in Fig. 6, the filter hole 3 of the screen unit 1 and the filter hole 4 on the screen unit 2 do not correspond at all.
  • the two screen units are stacked with a gap between the opposite faces, and there may be a gap between the opposite faces of the three or more filter cells.
  • the filter unit 1 is a grid-shaped filter frame
  • the filter unit 2 is in the shape of a circular plate
  • the filter unit 4 is provided with a filter hole 4
  • the grid strip of the grid-shaped filter frame completely blocks the filter hole 4
  • the filter There is a gap 6 between the net unit 1 and the screen unit 2.
  • the filter unit 1 can also have other shapes, as long as the filter hole 4 can be completely blocked or partially blocked, but because there is a gap 6 between the filter unit 1 and the filter unit 2, the gap 6 and the filter hole 4 still form a working filter.
  • the path plays a role in filtering.
  • the filter unit 1 and the filter unit 2 are detachably arranged, and the filter unit 1 and the filter unit 2 are disassembled during cleaning, and the gap 6 is no longer present, and only the filter unit 1 and the filter unit 2 are separately cleaned. Easy to clean, overcomes the problem that the filter holes on existing juicers are too small to be cleaned.
  • the filter unit can be detachably arranged.
  • the filter unit When the filter unit is a flat structure or a curved structure, it can be directly placed or connected by a snap; when the filter unit is a cylindrical structure or a trumpet structure, it can be directly set or connected by a snap connection. .
  • At least one of the at least two screen units is detachably disposed between the juicer body (squeezing chamber or press cylinder).
  • the juicer body squeeze chamber or press cylinder.
  • At least one of the at least two filter unit units and the oil press body are detachably disposed.
  • the filter unit is connected with the juicer or the body of the oil press by means of a threaded fit, a snap or a card slot, or a boss on a different diameter circumference of the body of the juicer (squeezing chamber or press cylinder), different diameters
  • the filter unit cards are placed on different bosses.
  • the above two filter units may be stacked with a gap between the opposing faces, or may have a gap between the opposing faces of three or more filter cells.
  • Embodiment 3 A screen structure screen structure for a juicer or an oil press, comprising at least two screen units, in operation, the at least two adjacent screen units are stacked, the phase When the adjacent screen units are stacked, there is a gap between the opposite surfaces, and at least one surface of the screen unit is provided with a protrusion.
  • a protrusion is arranged on the opposite side of the screen unit 1 and the screen unit 2, The protrusion in 5 is not shown, the height of the protrusion is 0.1 mm, and the protrusion is such that the gap between the screen unit 1 and the screen unit 2 is 0.1 mm.
  • protrusions on both surfaces of the screen unit 1 are different, the height of one side of the protrusion is 0.1 mm, and the height of the protrusion of the other side is 0.2 mm.
  • the protrusion causes the gap between the screen unit 1 and the screen unit 2 to be 0.1 mm; when the surface of the screen unit 1 is 0.2 mm convex and When the screen unit 2 is in contact, the projections have a gap of 0.2 mm between the screen unit 1 and the screen unit 2.
  • the protrusions of different heights on both sides of the screen unit 1 are in contact with the screen unit 2, thereby achieving the purpose of adjusting the size of the gap.
  • the groove on the screen unit 1 communicates with the filter hole on the screen unit 2 when the screen unit 1 and the screen unit 2 are stacked (or the groove on the screen unit 1 is stacked when the two screen units are stacked) Not completely obscured by the filter unit 2).
  • the grooves are transversely connected to different filter holes on the screen unit 1, and the grooves also communicate with the filter holes on the screen unit 2 when the screen unit 1 and the screen unit 2 are stacked.
  • a gap adjusting mechanism is provided on the screen unit 1 or the screen unit 2, and the gap adjusting mechanism is a distance adjusting device, a height adjustable sleeve or a protrusion or depth different in height on both surfaces of the screen unit Different grooves.
  • the distance fine adjustment device may be a screw hole on the filter unit and a matching screw, and the gap between the filter unit 1 or the filter unit 2 is adjusted by adjusting the distance that the screw is screwed into the screw hole.
  • the height adjustable sleeve can be a circular tube on the screen unit and an inner sleeve tube matched with the inner tube.
  • the inner surface of the round tube is provided with a thread
  • the outer surface of the inner tube is provided with a thread matching the round tube.
  • the distance between the filter unit 1 or the screen unit 2 is adjusted by adjusting the distance that the inner sleeve tube is screwed into the round tube.
  • the protrusions on the screen unit are circular, elliptical, triangular, square or polygonal point-like convex structures, annular boss structures, radial shaped convex structures or strip-shaped convex structures (straight, curved, polygonal shapes)
  • One or more of the types, the size and shape of the protrusions on the screen unit may be the same or different.
  • the filter unit is detachably disposed between the two.
  • the filter unit is detachably disposed between the two. For details, refer to the second embodiment.
  • At least one of the at least one filter unit and the juicer body are detachably disposed, with specific reference to the second embodiment.
  • the above two filter units may be stacked with a gap between the opposing faces, or may have a gap between the opposing faces of three or more filter cells.
  • Embodiment 4 A screen structure screen structure for a juicer or an oil press, comprising at least two screen units, in operation, the at least two adjacent screen units are stacked, the phase When the adjacent filter cells are stacked, the opposite faces are completely fitted with a gap between the portions.
  • FIG. 1 The structure of the fitting portion of the screen unit 1 and the screen unit 2 is referred to FIG. 1 and the first embodiment.
  • FIG. 5 The structure in which the screen unit 1 and the screen unit 2 have a gap portion is referred to FIG. 5 and the second embodiment and the third embodiment.
  • the three or more filter unit units may be stacked, and the adjacent filter unit units may be completely fitted together.
  • the adjacent filter unit units may also have a gap. Referring to FIG. 5 and the second embodiment, And the third embodiment.
  • Embodiment 5 A screen structure screen structure for a juicer or an oil press, comprising at least two screen units, in operation, the at least two adjacent screen units are stacked, the phase When the adjacent filter cells are stacked, the opposite faces have Gap.
  • a filter hole 3 is provided in the screen unit 1, and a filter hole 4 is provided in the screen unit 2, and a gap 6 is provided between the screen unit 1 and the screen unit 2.
  • a shielding protrusion 7 is disposed on the screen unit 2, and the shielding protrusion 7 is inserted into the filtering hole 3, and the filtering hole 3 and the shielding protrusion 7 have a gap, and the gap forms the working filtering hole 5.
  • the juice flows from the gap between the filter hole 3 of the screen unit 1 and the shielding protrusion 7, that is, the working filter hole 5, enters the gap 6 through the working filter hole 5, and flows out through the filter hole 4 of the screen unit 2 or Flow directly through the gap 6, so that the filter hole 3, the working filter hole 5, the gap 6 and the filter hole 4 form a working filter diameter, which serves as a filter.
  • the filter unit can be detachably arranged.
  • the filter unit When the filter unit is a flat structure or a curved structure, it can be directly placed or connected by a snap; when the filter unit is a cylindrical structure or a trumpet structure, it can be directly set or connected by a snap connection. .
  • At least one of the at least two screen units is detachably disposed between the juicer body (squeezing chamber or press cylinder).
  • the juicer body squeeze chamber or press cylinder.
  • the filter unit is connected to the body of the juicer by means of a threaded fit, a snap or a card slot, or a boss on a different diameter circumference of the body of the juicer (squeezing chamber or press cylinder), the filter unit of different diameters
  • the cards are placed on different bosses.
  • the above two filter units may be stacked with a gap between the opposing faces, or may have a gap between the opposing faces of three or more filter cells.
  • Embodiment 6 A juicer having a screen structure as in Embodiment 1.
  • Embodiment 7 A juicer having a screen structure as in the second embodiment.
  • Embodiment 8 A juicer having a screen structure as in the third embodiment.
  • Embodiment 9 A juicer having a screen structure as in Embodiment 4.
  • Embodiment 10 A juicer having a screen structure as in Embodiment 5.
  • Embodiment 11 A centrifugal juicer, the sieve structure of the centrifugal juicer comprises a knife net assembly and a sieve unit 2, and Fig. 9 is a sieve structure of the centrifugal juicer.
  • the stencil assembly comprises a horn-shaped stencil and a disc-shaped cutter head 8, the horn-shaped stencil on the stencil assembly being equivalent to the screen unit 1.
  • the screen unit 2 is a horn-shaped stencil, and the screen unit 2 in FIG. 9 is disposed outside the horn-shaped stencil of the stencil assembly, and the screen unit 2 can also be disposed in the horn shape of the stencil assembly.
  • the knife net assembly and the filter unit 2 are connected by a buckle or a card slot.
  • the knife net assembly and the motor shaft of the juicer main unit are connected by prior art techniques such as a coupling.
  • the positional relationship between the horn-shaped stencil on the stencil assembly and the horn-shaped stencil of the filter unit 2 may be completely fitted or have a gap. See any one of the first to fifth embodiments.
  • Embodiment 12 A vertical spiral juicer, the sieve structure of the vertical spiral juicer comprises a sieve unit 1 and a sieve unit 2, and FIG. 10 is a sieve structure of a vertical spiral juicer .
  • the screen unit 2 is arranged outside the screen unit 1 in Fig.
  • the screen unit 1 and the screen unit 2 are both truncated hollow-shaped screens which are vertically open, the diameter of the screen is from The top to the bottom gradually decrease; the filter unit 1 and the filter unit 2 are placed in a sleeve, that is, the filter unit 2 is sleeved outside the filter unit 1, and of course, the filter unit 1 can be placed outside the filter unit 2; A convex wall knife is disposed on the inner wall of the screen unit 1 or the screen unit 2.
  • the raised wall knife is a vertical strip structure or a strip structure arranged obliquely, and when the screen unit provided with the convex wall knife is outside, the wall of the inner screen unit has a window or The void is such that a raised wall knife on the wall of the outer screen unit is exposed through the window or void.
  • the screen unit 2 can also be arranged inside the screen unit 1, ie both are sleeved.
  • the screen unit 1 and the screen unit 2 may also be cylindrical-shaped screens that are vertically open.
  • the filter unit 1 and the filter unit 2 are connected by a snap or a card slot.
  • the screen unit 1 or the screen unit 2 is placed in the juice extraction chamber of the juicer by means of prior art such as snaps or slots.
  • a filter hole 3 (not shown in FIG. 10) is disposed on the side wall of the screen unit 1, and a filter hole 4 is disposed on the side wall of the screen unit 2, and the level of the filter hole 3 is not completely the same as that of the filter hole 4.
  • the filter hole 3 and the filter hole 4 have a partial correspondence to form the working filter hole 5, and the filter hole 3, the working filter hole 5 and the filter hole 4 form a working filter diameter; or the filter unit center is the axis, and the filter hole 3 is The horizontal angles at which the filter holes 4 are located are not completely identical and partially correspond to form the working filter holes 5, and the filter holes 3, the working filter holes 5, and the filter holes 4 form a working filter diameter.
  • the filter unit 2 has a filter hole 4 on the side wall thereof, and a portion corresponding to the filter hole 3 and the filter hole 4 Or not at all, but there is a gap 6 between the screen unit 1 and the screen unit 2, and the filter hole 3, the gap 6 and the filter hole 4 form a working filter diameter.
  • the positional relationship between the filter unit 1 and the filter unit 2 may be completely fitted or have a gap.
  • the positional relationship between the filter unit 1 and the filter unit 2 may be completely fitted or have a gap.
  • Embodiment 13 A horizontal spiral juicer, that is, a spiral juicer whose juice spiral shaft is horizontally or approximately horizontally arranged, and the filter structure of the horizontal spiral juicer comprises a mesh unit 1 and a sieve Unit 2, the filter unit 2 is disposed at The outer side or the inner side of the screen unit 1 is disposed in a nesting manner; the screen unit 1 and the screen unit 2 are both a truncated-shaped hollow-shaped stencil, which are open at both ends; or the filter unit 1 and the filter The mesh unit 2 is a curved mesh plate, and the two are stacked.
  • the screen unit 1 and the screen unit 2 may also be cylindrical-shaped screens which are open at both ends in the lateral direction.
  • the filter unit 1 and the filter unit 2 are connected by a snap or a card slot.
  • the screen unit 1 or the screen unit 2 is placed in the juice extraction chamber of the juicer by means of prior art such as snaps or slots.
  • the positional relationship between the screen unit 1 and the screen unit 2 may be completely fitted or have a gap. See any one of the first to fifth embodiments.
  • Embodiment 14 A piston type juicer comprising a press cylinder 10, the screen structure comprising a screen unit 1 and a screen unit 2, and FIG. 11 is a piston 9, a press cylinder 10 And a schematic view of the screen structure, the screen unit 1 is integrally provided at the bottom of the press cylinder, the screen unit 2 is directly placed on the inner side of the screen unit 1; the screen unit 1 and the press cylinder 10 are integrated, filtering
  • the net unit 1 and the screen unit 2 are of a flat (also curved) configuration, and the outer diameter of the screen unit 2 is smaller than the inner diameter of the press cylinder 10.
  • the filter unit 1 and the filter unit 2 are completely fitted together, and the filter unit 3 is provided with a filter hole 3, and the filter unit 2 is provided with a filter hole 4, and the filter hole 3 and the filter hole 4 are alternately arranged to form a working filter hole. 5, specifically refer to the first embodiment.
  • the screen unit 1 can also be detachably disposed at the bottom or lower portion of the press cylinder 10.
  • the screen unit 2 can also be arranged outside the screen unit 1 or the press cylinder 10 by means of a prior art connection such as a thread, that is, both.
  • Embodiment 15 A piston type juicer comprising a press cylinder 10, the screen structure comprising a screen unit 1 and a screen unit 2, and FIG. 12 is a piston 9, a press cylinder 10
  • FIG. 12 is a piston 9, a press cylinder 10
  • a schematic view of the screen structure, the screen unit 1 is integrally provided at the bottom of the press cylinder and at the lower portion of the side wall, and the bottom of the screen unit 1 has a planar shape.
  • the bottom of the screen unit 1 and the inner side of the side wall are provided with projections having a projection height of 0.2 mm.
  • the screen unit 2 has a barrel structure with a flat shape at the bottom.
  • the outer diameter of the screen unit 2 is smaller than the inner diameter of the side wall of the screen unit 1, and the difference between the outer radius of the screen unit 2 and the inner radius of the screen unit 1 is greater than 0.2 mm and less than 0.4 mm, so that the screen unit 1 and the filter A stable gap 6 is formed between the mesh units 2.
  • a filter hole 3 is arranged on the filter unit 1, and a filter hole 4 is arranged on the side wall and the bottom of the barrel structure of the filter unit 2, and the filter hole 3 and the filter hole 4 do not correspond at all.
  • the filter unit 1 and the filter unit 2 There is a gap between 6.
  • the juice flows from the filter hole 3 of the sieve unit 1, passes through the gap 6, and then flows out through the filter hole 4 of the sieve unit 2, and the filter hole 3, the gap 6 and the filter hole 4 form a working filter diameter, and
  • the function of the filtration is specifically referred to the second embodiment and the third embodiment.
  • the screen unit 1 can also be detachably disposed at the bottom or lower portion of the press cylinder 10.
  • the screen unit 2 can also be arranged outside the screen unit 1 or the press cylinder 10 by means of threads or the like in a prior art manner, i.e., both.
  • Embodiment 16 A piston type juicer comprising a press cylinder 10, the screen structure comprising a screen unit 1 and a screen unit 2, and Fig. 13 is a press cylinder 10 and a screen Schematic diagram of the structure.
  • the bottom of the press cylinder 10 is provided with an opening 11 at which an inward flange 12 is provided.
  • the screen unit 1 is detachably disposed at the bottom of the press cylinder 10, and both the screen unit 1 and the screen unit 2 are in the shape of a disk, and the outer diameters of the screen unit 1 and the screen unit 2 are smaller than the inner diameter of the press cylinder 10 and larger than The inner diameter of the opening 11 is such that the screen unit 1 and the screen unit 2 can be stably placed in the press cylinder 10.
  • the filter holes 3 on the screen unit 1 are not exactly the same radius as the filter holes 4 on the screen unit 2, and the portions correspond to each other to form the working filter holes 5.
  • the filter holes 3 on the screen unit 1 are located at the same radius as the filter holes 4 on the screen unit 2, the placement angles ⁇ are different, and the portions correspond to each other to form the working filter holes 5.
  • the screen unit 1 and the screen unit 2 may have a gap on the opposite side when they are stacked (the screen unit 1 or the screen unit 2 has a projection on the opposite surface).
  • the filter unit 1 is provided with a plurality of filter holes 3, and the filter unit 2 is provided with a plurality of filter holes 4, the filter holes 3 and the filter holes 4 do not correspond at all, and there is a gap 6 between the filter net unit 1 and the filter net unit 2.
  • the juice flows from the filter hole 3 of the sieve unit 1, passes through the gap 6, and then flows out through the filter hole 4 of the sieve unit 2, and the filter hole 3, the gap 6 and the filter hole 4 form a working filter diameter, and The role of filtration.
  • the positional relationship between the filter unit 1 and the filter unit 2 may be completely fitted or have a gap.
  • the positional relationship between the filter unit 1 and the filter unit 2 may be completely fitted or have a gap.
  • the screen unit 1 can also be detachably disposed at the bottom or lower portion of the press cylinder 10.
  • the screen unit 2 can also be arranged outside the screen unit 1 or the press cylinder 10 by means of threads or the like in a prior art manner, i.e., both.
  • the screen structure of this embodiment is also applicable to a vacuum piston type juicer.
  • Embodiment 17 A vacuum piston type juicer, referring to FIG. 14, includes a press cylinder 10, a screen structure L (only schematically shown in FIG. 14), a juice receiving portion 17, a piston 9, an electric drive telescopic mechanism 15, An electric vacuum pump 14 and a body 13 (C-frame shaped body in FIG. 14), an exhaust duct structure 16, a sliding piston 9 is mounted in the press cylinder 10, an outer edge of the piston 9 and an inner edge of the press cylinder 10 Tightly fitting, the piston 9 divides the press cylinder 10 into an operating chamber and a press chamber which are separated from each other, the top surface of the piston 9 is located in the operating chamber, and the bottom surface of the piston 9 is located in the press chamber;
  • the squeezing cylinder 10 and the juice receiving portion 17 are detachably sealed and connected (also can be an integral structure), and the pressing The cylinder 10 is located outside the juice receiving portion 17 (or the press cylinder 10 is partially located in the juice receiving portion 17, or the press cylinder 10 is entirely located in the juice receiving portion 17), and the press cylinder 10 and the juice receiving portion 17 Forming a closed cavity, the operating room is in communication with the atmospheric environment (or the operating room may also be a closed space);
  • a filter structure L is disposed at the bottom of the press cylinder 10 (or the filter structure L is disposed on the side wall of the press cylinder 10, or the filter structure L is disposed between the press cylinder and the juice receiving portion, or the filter structure L is disposed in the juice receiving portion, or The screen structure L) is disposed in the press cylinder.
  • the structural relationship between the press cylinder 10 and the screen structure L is referred to any one of the fourteenth to sixteenth embodiments.
  • the screen structure L includes at least two screen units, and the positional relationship between the screen units may be completely fitted or have a gap. See any one of the first to fifth embodiments.
  • the electric drive telescopic mechanism 15 includes a driving portion and a telescopic portion that can be extended or retracted under the driving of the driving portion, and the driving portion is disposed in the body 13 (or is disposed on the body, Partially disposed in the operating room or all disposed in the operating room), the telescopic portion is detachably connected to the piston 9 (either fixedly or only against the piston), and the telescopic portion is pushed (or may be pulled) when being telescoped.
  • the piston 9 moves within the press cylinder 10 to vary the volume of the press chamber.
  • the telescoping portion pushes the piston 9 to move and the volume of the press chamber becomes small, the piston 9 is pressed in the press chamber. a press, the squeezed juice enters the juice receiving portion 17 through the screen structure L;
  • the electric vacuum pump 14 is located in the body 13 (or on the body, in the closed cavity or in the operating room), and has an air suction port and an air outlet, and the air suction port of the electric vacuum pump 14 passes through the air suction duct
  • the structure 16 is in communication with the juice receiving portion 17 (the air suction conduit structure 16 may be in communication with the closed cavity), and the air outlet of the electric vacuum pump is connected to the atmospheric environment through the air outlet pipe;
  • the electric vacuum pump 14, the exhaust duct structure 16, and the like mainly constitute an evacuated structure.
  • the electric vacuum pump 14 is used by the suction duct structure 16 for all stages, any two stages or any of the three stages after the piston 9 is pressed, the piston 9 is pressed, or the piston 9 is pressed after the piston 9 is pressed. In one stage, the air in the closed chamber is withdrawn, and the closed chamber is kept in a vacuum state.
  • Embodiment 18 A horizontal screw press, the screen structure of the horizontal screw press includes a screen unit 1 and a screen unit 2, and Fig. 15 is a screen structure of a horizontal screw press .
  • the screen unit 2 of FIG. 15 is placed on the outer side of the screen unit 1;
  • the filter unit 1 is a squeezer of a horizontal screw press, and the press has a feed port 1J, a tap hole 1C and an oil filter hole 3, and a horizontal screw press bar is installed in the press (not shown in Fig. 15) Out), the oil filtering hole 3 is located on the side wall of the pressing;
  • the filter unit 2 is a hollow stencil having a filter hole, which is placed outside the squeegee and is completely attached between the opposite faces. a portion between the filter unit 1 and the filter hole on the filter unit 2 forms a working filter hole, and the filter hole and the working filter hole form a working filter diameter;
  • each filter unit there may be a filter hole on the side wall of each filter unit, and a portion between the filter holes on the adjacent filter unit corresponds or does not correspond at all, and there is a gap 6 between the two filter units.
  • the filter hole and the gap 6 form a working filter diameter
  • the two filter units are connected and fixed by means of snaps or slots (to avoid moving when pressing oil).
  • the screen structure shown in Figure 15 (in vertical use) is also suitable for vertical screw presses.
  • Embodiment 19 A screw presser, the screen structure of the screw press includes a screen unit 1 and a screen unit 2, and Fig. 16 is a screen structure of the screw press.
  • the filter unit 1 is a press bar having a hollow shape oil outlet passage 1T therein, and an oil filter hole (not shown in FIG. 16) is disposed on the press rod;
  • the filter unit 2 is a hollow stencil having a filter hole, which is placed in the press bar, and the opposite faces are completely fitted or have a gap; the filter holes on the adjacent filter cells have a partial correspondence to form Working a filter hole, the filter hole and the working filter hole forming a working filter diameter;
  • a filter hole is provided on a side wall of each filter unit, and a portion between the filter holes on the adjacent filter unit corresponds to or does not correspond at all, and there is a gap 6 between the at least two filter units.
  • the filter holes and the gap 6 form a working filter diameter.
  • the two filter units are connected and fixed by means of snaps or slots (to avoid moving when pressing oil).
  • Embodiment 20 A spiral juicer, the sieve structure of the spiral juicer comprises at least two sieve units, wherein one of the sieve units is a squeeze rod having a hollow shape juice passage inside, and the squeeze rod There is a filter hole; the other filter unit is a hollow mesh plate with a filter hole, which is placed in the press bar or squeezed out, and the opposite faces are completely fitted or have a gap; adjacent filter cells are arranged There is a partial correspondence between the filter holes to form a working filter hole, the filter hole and the working filter hole form a working filter diameter; or a filter hole is arranged on the side wall of each filter net unit, and adjacent to the filter unit Corresponding or completely non-corresponding between the filter holes, there is a gap between the at least two filter units, the filter holes and the gap form a working filter diameter; the two filter units pass the buckle or the card Slots, etc. are connected and fixed.
  • the structure is simple and the setting is reasonable, and at least two filter cells are stacked to form a smaller working filter hole 5 to filter, and the mouthfeel is finer and finer; the smaller the working filter hole 5 is, The possibility of clogging increases; the filter unit 1 and the filter unit 2 are detachably arranged, each filter unit is separately cleaned, and the small working filter hole 5 is no longer present, and only the respective filter unit is separately cleaned.
  • the filter hole 3 and the filter hole 4 have a relatively large area and are easy to clean; or there is a gap 6 between the screen units, and the gap 6 forms a working filter diameter, and the smaller the gap, the finer the mouthfeel. The smaller the gap interval, the more likely the blockage is.
  • the filter unit 1 and the filter unit 2 are detachably arranged, and the filter unit 1 and the filter screen are cleaned.
  • the gap 6 no longer exists, and it is only necessary to separately clean each filter unit, which is easy to clean, and overcomes the problem that the filter holes on the existing juicer or the oil press are too small to be cleaned.
  • the filter holes on the filter unit are point-shaped holes such as circular, elliptical, triangular, square or polygonal holes, and also include slender (straight, curved, polygonal line) slits, and the size of the filter holes on the filter unit. And the shape can be the same or different.
  • the shape of the working filter hole 5 formed by staggering the filter holes on different filter units may also be a circular hole, an ellipse, a triangle, a square or a polygonal hole, or a slender hole (straight, curved, The gap of the line shape).
  • the working filter diameter of the present invention is that when at least two adjacent filter cells are stacked, the filter holes on different filter cells are staggered, or the filter holes on the filter cells having the filter holes are adjacently filtered.
  • the components on the net unit are occluded, forming a filtering path for filtering.
  • the filter unit 1 has a filter hole 3
  • the filter unit 2 has a filter hole 4
  • the filter hole 3 and the filter hole 4 are alternately arranged to form a working filter hole 5, and then the filter hole 3, the filter hole 4, and the working filter
  • the hole 5 forms a working filter diameter.
  • the filter unit 1 has a filter hole 3, and the filter unit 2 has a filter hole 4, and there is a gap 6 between the opposite faces between the filter net unit 1 and the filter net unit 2, and the filter hole 3, the gap 6 and the filter hole 4 will form a working filter.
  • the working filter diameter is simply the path through which the juice flows when juicing or the path through which the edible oil flows when the juice is squeezed.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
  • Filtration Of Liquid (AREA)

Abstract

一种用于榨汁机或榨油机的滤网结构及具有该滤网结构的榨汁机或榨油机，包括至少两个滤网单元（1，2），工作时相邻滤网单元（1，2）层叠设置，相邻滤网单元（1，2）的相对面之间至少有一部分完全贴合或至少有一部分具有间隙（6）。多个滤网单元（1，2）层叠设置时形成更小的工作滤孔（5）或工作滤径起到过滤的作用；滤网单元（1，2）之间为可拆卸设置，滤网单元（1，2）分别清洗，小的工作滤孔或工作滤径不再存在，只需分别清洗滤网单元上的滤孔（3，4），该滤孔的面积相对较大，易于清洗。

Description

一种用于榨汁机或榨油机的滤网结构及具有该滤网结构的榨汁机或榨油机 技术领域
本发明属于榨汁机及榨油机领域，尤其涉及一种用于榨汁机或榨油机的滤网结构及具有该滤网结构的榨汁机或榨油机。
背景技术
现代人对蔬菜、水果的摄取量日益增加，所述各种蔬果含有的维生素成份，对人体的免疫***及健康有相当大的益处。
现有榨汁机包括离心式榨汁机、立式螺旋榨汁机、卧式螺旋榨汁机、活塞式榨汁机等等。
所有的榨汁机都需要用到滤网，以分离果汁和残渣。为了使所榨果汁口感细腻，滤孔的面积通常很小(例如直径0.2毫米)。现有技术榨汁机的滤网是单层结构，微小的滤孔在榨汁时候很容易堵塞，且堵塞后非常难以清洗。
现有榨油机包括立式螺旋榨油机、卧式螺旋榨油机、活塞式榨油机等等。所有的榨油机都需要用到滤网，以分离榨出的食用油和残渣。现有的滤网也是单层结构，微小的滤孔在榨油时候很容易被堵塞，且堵塞后难以清洗。
技术问题
现有的滤网也是单层结构，微小的滤孔在榨汁或榨油时候很容易被堵塞，且堵塞后难以清洗。
技术解决方案
为要解决的上述问题，本发明提供一种用于榨汁机或榨油机的滤网结构及具有该滤网结构的榨汁机或榨油机。
本发明提供一种用于榨汁机或榨油机的滤网结构，包括至少两个滤网单元，工作时，所述相邻滤网单元之间层叠设置，并且形成工作滤径；
所述相邻滤网单元之间层叠设置时，相对面之间至少有一部分完全贴合：
所述完全贴合部分：相邻滤网单元上都设有滤孔，相邻滤网单元的滤孔相互交错设置以形成工作滤孔，所述的滤孔以及工作滤孔形成工作滤径；所述工作滤孔小于滤网单元的滤孔；或
所述完全贴合部分：相邻滤网单元中，至少一个滤网单元上有滤孔，相邻滤网单元上 有能够部分遮挡所述有滤孔的滤网单元上的滤孔的部件以形成工作滤孔，所述工作滤孔即为工作滤径；所述工作滤孔小于滤网单元的滤孔；或
所述相邻滤网单元之间层叠设置时，相对面之间至少有一部分具有间隙：
所述具有间隙部分：相邻滤网单元上都设有滤孔，相邻滤网单元的滤孔相互交错设置，所述的滤孔以及所述间隙形成工作滤径；或
所述具有间隙部分：相邻滤网单元中，至少一个滤网单元上有滤孔，相邻滤网单元上有能够遮挡所述有滤孔的滤网单元上的滤孔的部件，所述间隙及滤孔形成工作滤径；或上述部件与滤孔间形成工作滤孔，所述间隙、工作滤孔及滤孔形成工作滤径。
所述至少两个相邻滤网单元之间可拆卸设置；或者所述至少两个滤网单元中的至少一个滤网单元与榨汁机主体之间可拆卸设置；或者所述至少两个滤网单元中的至少一个滤网单元与榨油机主体之间可拆卸设置。
所述工作滤径采用下列形式之一：
①所述相邻滤网单元层叠设置时，相对面之间至少有一部分完全贴合：
所述完全贴合部分：相邻滤网单元上都设有滤孔，相邻滤网单元的滤孔相互部分对应以形成工作滤孔，所述的滤孔以及工作滤孔形成工作滤径；或
所述完全贴合部分：相邻滤网单元中，至少一个滤网单元上有滤孔，相邻滤网单元上有能够部分遮挡所述有滤孔的滤网单元上的滤孔的部件以形成工作滤孔，所述工作滤孔即为工作滤径；
②所述相邻滤网单元层叠设置时，相对面之间至少有一部分具有间隙：
所述具有间隙部分：相邻滤网单元上都设有滤孔，所述相邻滤网单元的滤孔之间相互部分对应形成工作滤孔，所述的滤孔、工作滤孔以及所述间隙形成工作滤径；或
所述具有间隙部分：相邻滤网单元上都设有滤孔，所述相邻滤网单元的滤孔之间完全不对应，所述滤孔以及所述间隙形成工作滤径；或
所述具有间隙部分：相邻滤网单元中，至少一个滤网单元上有滤孔，相邻滤网单元上有能够全部遮挡或部分遮挡所述有滤孔的滤网单元上的滤孔的部件，所述间隙及滤孔形成工作滤径；或上述部件与滤孔间形成工作滤孔，所述间隙、工作滤孔及滤孔形成工作滤径；
③所述相邻滤网单元之间层叠设置时，相对面之间有一部分完全贴合，另一部分具有间隙：
所述相邻滤网单元中，至少一个滤网单元上有滤孔，所述贴合部分的滤网单元上有能够部分遮挡所述有滤孔的滤网单元上滤孔的部件形成工作滤孔，所述滤孔以及工作滤孔形 成贴合部分的工作滤径；所述具有间隙部分的相邻滤网单元上有能够部分遮挡或全部遮挡所述有滤孔的滤网单元上滤孔的部件，所述滤孔、以及所述间隙形成间隙部分的工作滤径；或具有间隙部分的相邻滤网单元上，所述的起遮挡作用的部件与滤孔间形成工作滤孔，所述间隙、工作滤孔及滤孔形成间隙部分的工作滤径；或
所述相邻滤网单元上都设有滤孔，所述贴合部分的滤网单元上的滤孔与相邻滤网单元上的滤孔之间是有部分对应，以形成工作滤孔，所述滤孔、工作滤孔形成贴合部分的工作滤径；所述具有间隙的部分的滤网单元上的滤孔与相邻滤网单元上的滤孔之间是部分对应形成工作滤孔，所述滤孔、工作滤孔以及所述间隙形成间隙部分的工作滤径；或者，所述具有间隙的部分的滤网单元上的滤孔与相邻滤网单元上的滤孔之间是完全不对应，所述滤孔以及所述间隙形成间隙部分的工作滤径。
所述至少一个滤网单元至少一个表面设置有凸起或凹槽。
所述凸起为点状突起结构、环形凸台结构、放射形状凸起结构或条状凸起结构的一种或多种。
所述滤网单元上的凹槽在至少两个滤网单元层叠设置时连通相邻滤网单元上的滤孔，或所述滤网单元上的凹槽在至少两个滤网单元层叠设置时不完全被相邻滤网单元所遮挡。
所述至少两个滤网单元之间设置间隙调节机构以调节相邻滤网单元间的间隙间隔，
所述间隙调节机构采用下列结构的一种或多种：
①距离微调装置；
②高度可调节套管；
③在所述至少一个滤网单元的两个表面都设置有凸起，且设置在不同表面的凸起高度不同；
④在所述至少一个滤网单元的两个表面都设置有凹槽，且设置在不同表面的凹槽深度不同；
⑤在所述至少一个滤网单元的一个表面设置有凸起，另一个表面设置有凹槽。
一种具有用于榨汁机或榨油机的滤网结构的榨汁机。
所述榨汁机为离心式榨汁机、立式螺旋榨汁机、卧式螺旋榨汁机、螺旋榨汁机、活塞式榨汁机或真空活塞式榨汁机。
所述离心式榨汁机的所述滤网结构包括刀网组件和滤网单元，所述刀网组件包括网板和刀盘，所述滤网单元设置在所述刀网组件的网板的外侧或内侧；
所述立式螺旋榨汁机的滤网结构包括至少两个滤网单元，所述滤网单元为圆台形或圆筒形中空网板，垂直开口，所述滤网单元间套放设置，至少一个所述滤网单元内壁设置凸起壁刀，当设置有凸起壁刀的滤网单元处于外侧时候，所述处于内侧滤网单元的壁上有窗口或空隙，以使处于外侧滤网单元壁上的凸起壁刀穿过所述窗口或空隙露出；
每个所述滤网单元侧壁上均设有滤孔，相邻滤网单元侧壁上滤孔所处的水平高度不完全相同，但是相邻滤网单元上的滤孔之间又有部分对应以形成工作滤孔，所述滤孔以及工作滤孔形成工作滤径；或者以滤网单元中心为轴线，每个滤网单元上的滤孔所处的水平角度不完全相同又有部分对应以形成工作滤孔，所述滤孔以及工作滤孔形成工作滤径；或者是每个滤网单元的侧壁上均有滤孔，且相邻滤网单元上的滤孔之间部分对应或完全不对应，所述至少两个滤网单元之间有间隙，所述滤孔以及所述间隙形成工作滤径。
所述卧式螺旋榨汁机的滤网结构包括至少两个滤网单元，所述滤网单元为圆台形或圆筒形中空网板，其横向两端开口，所述滤网单元间套放设置；或所述滤网单元为弧形网板，所述滤网单元间层叠设置。
所述螺旋榨汁机的滤网结构包括至少两个滤网单元，其中一个滤网单元为内部设有中空形状出汁通道的榨杆，榨杆上设有滤孔；另一个滤网单元是具有滤孔的中空网板，它套放设置在榨杆内或榨干外，其相对面之间完全贴合或有间隙；相邻滤网单元上的滤孔之间有部分对应以形成工作滤孔，所述滤孔以及工作滤孔形成工作滤径；或者是每个滤网单元的侧壁上均有滤孔，且相邻滤网单元上的滤孔之间部分对应或完全不对应，所述至少两个滤网单元之间有间隙，所述滤孔以及所述间隙形成工作滤径。
所述活塞式榨汁机包括压榨缸，所述滤网结构包括至少两个滤网单元，至少一个滤网单元为一体或可拆卸设在在压榨缸的底部、下部或侧壁，所述滤网单元间套放设置。
所述至少两个滤网单元俯视均为圆形，每个滤网单元上的滤孔所处的半径不完全相同，且部分相互对应以形成工作滤孔，所述滤孔以及工作滤孔形成工作滤径；或者是，所述至少两个滤网单元俯视均为圆形，每个滤网单元上的滤孔所处的半径相同，滤孔所处角度不同，相邻滤网单元的滤孔部分相互对应以形成工作滤孔，所述滤孔以及工作滤孔形成工作滤径；或者是，每个滤网单元上均有滤孔，相邻滤网单元上的滤孔之间完全不对应或有部分对应，所述至少两个滤网单元层叠设置时相对面具有间隙，所述滤孔以及间隙形成工作滤径。
所述真空活塞式榨汁机的滤网结构包括至少两个滤网单元，至少一个滤网单元为一体或可拆卸设在压榨缸的底部、下部或侧壁，所述滤网单元间套放设置。
一种具有用于榨汁机或榨油机的滤网结构的榨油机。
所述榨油机为立式螺旋榨油机、卧式螺旋榨油机、螺旋榨油机、活塞式榨油机或真空活塞式榨油机。
所述立式螺旋榨油机的滤网结构包括至少两个滤网单元，其中一个滤网单元为榨膛，所述榨膛具有进料口、出渣口和出油滤孔，所述榨膛内安装有立式螺旋榨杆，所述出油滤孔位于榨膛的侧壁上；另一个滤网单元是具有滤孔的中空网板，所述具有滤孔的中空网板套放设置在所述榨膛内或所述榨膛外，其相对面之间完全贴合或有间隙；所述相邻滤网单元侧壁上滤孔所处的水平高度不完全相同，但是所述相邻滤网单元上的滤孔之间又有部分对应以形成工作滤孔，所述滤孔以及工作滤孔形成工作滤径；或者以所述滤网单元中心为轴线，每个所述滤网单元上的滤孔所处的水平角度不完全相同又有部分对应以形成工作滤孔，所述滤孔以及工作滤孔形成工作滤径；或者是所述每个滤网单元的侧壁上均有滤孔，且相邻滤网单元上的滤孔之间部分对应或完全不对应，所述至少两个滤网单元之间有间隙，所述滤孔以及所述间隙形成工作滤径。
所述卧式螺旋榨油机的滤网结构包括至少两个滤网单元，其中一个滤网单元为榨膛，所述榨膛具有进料口、所述出渣口和出油滤孔，所述榨膛内安装有卧式螺旋榨杆，所述出油滤孔位于榨膛的侧壁上；另一个滤网单元是具有滤孔的中空网板，所述具有滤孔的中空网板套放设置在所述榨膛内或所述榨膛外，其相对面之间完全贴合或有间隙；相邻所述滤网单元上的滤孔之间有部分对应以形成工作滤孔，所述滤孔以及工作滤孔形成工作滤径；或者以所述滤网单元中心为轴线，每个所述滤网单元上的滤孔所处的角度不完全相同又有部分对应以形成工作滤孔，所述滤孔以及工作滤孔形成工作滤径；或者是每个所述滤网单元的侧壁上均有滤孔，且相邻所述滤网单元上的滤孔之间部分对应或完全不对应，所述至少两个滤网单元之间有间隙，所述滤孔以及所述间隙形成工作滤径。
所述螺旋榨油机的滤网结构包括至少两个滤网单元，其中一个滤网单元为内部设有中空形状出油通道的榨杆，所述榨杆上设有出油滤孔；另一个滤网单元是具有滤孔的中空网板，所述具有滤孔的中空网板套放设置在榨杆内或榨干外，其相对面之间完全贴合或有间隙；相邻所述滤网单元上的滤孔之间有部分对应以形成工作滤孔，所述滤孔以及工作滤孔形成工作滤径；或者是每个所述滤网单元的侧壁上均有滤孔，且相邻所述滤网单元上的滤孔之间部分对应或完全不对应，所述至少两个滤网单元之间有间隙，所述滤孔以及所述间隙形成工作滤径。
所述活塞式榨油机包括压榨缸，所述滤网结构包括至少两个滤网单元，至少一个滤网单元为一体或可拆卸设在在压榨缸的底部、下部或侧壁，所述滤网单元间套放设置。
所述至少两个滤网单元俯视均为圆形，每个所述滤网单元上的滤孔所处的半径不完全相同，且部分相互对应以形成工作滤孔，所述滤孔以及工作滤孔形成工作滤径；或者是，所述至少两个滤网单元俯视均为圆形，每个滤网单元上的滤孔所处的半径相同，滤孔所处角度不同，相邻所述滤网单元的滤孔部分相互对应以形成工作滤孔，所述滤孔以及工作滤孔形成工作滤径；或者是，每个所述滤网单元上均有滤孔，相邻滤网单元上的滤孔之间完全不对应或有部分对应，所述至少两个滤网单元层叠设置时相对面具有间隙，所述滤孔以及间隙形成工作滤径。
所述真空活塞式榨油机的滤网结构包括至少两个滤网单元，至少一个滤网单元为一体或可拆卸设在压榨缸的底部、下部或侧壁，所述滤网单元间套放设置。
有益效果
结构简单，设置合理，至少两个滤网单元层叠设置，以形成更小的工作滤孔起到过滤的作用，口感更佳细腻；工作滤孔面积越小，堵塞可能性增加；滤网单元与滤网单元之间为可拆卸设置，滤网单元分别清洗，小的工作滤孔不再存在，只需分别清洗滤网单元上的滤孔，该滤孔的面积相对较大，易于清洗；或滤网单元之间有间隙，间隙形成工作滤径，间隙越小口感越细腻。间隙间隔越小，堵塞可能性增加。滤网单元和滤网单元之间为可拆卸设置，清洗时把滤网单元和滤网单元拆开，间隙不再存在，只需分别清洗每个滤网单元，易于清洗，克服了现有榨汁机及榨油机上的滤孔太小难清洗的问题。
附图说明
图1为本发明的实施例一的剖面示意图。
图2为本发明的实施例一的第一种具体滤网结构的俯视图。
图3为本发明的实施例一的第二种具体滤网结构的俯视图。
图4为本发明的实施例一的第三种具体滤网结构的俯视图。
图5为本发明的实施例二的剖面示意图。
图6为本发明的实施例二的俯视图。
图7为本发明的实施例五的剖面示意图。
图8为本发明的实施例五的俯视图。
图9为本发明的实施例十一的滤网结构示意图。
图10为本发明的实施例十二的滤网结构示意图。
图11为本发明的实施例十四的滤网结构示意图。
图12为本发明的实施例十五的滤网结构示意图。
图13为本发明的实施例十六的滤网结构示意图。
图14为本发明的实施例十七的结构示意图。
图15为本发明的实施例十八的滤网结构示意图。
图16为本发明的实施例十九的滤网结构示意图。
图中，1、滤网单元，2、滤网单元，3、滤孔，4、滤孔，5、工作滤孔，6、间隙，7、遮挡凸起，8、刀盘，9、活塞，10、压榨缸，11、开口，12、翻边，13、(C型框架)机体，14、电动真空泵，15、电力驱动伸缩机构，16、抽气导管结构，17、接汁部，L、滤网结构，1J、进料口，1C、出渣口，1T、出油通道。
本发明的最佳实施方式
下面结合附图对本发明的具体实施方式做出说明。
实施例一：一种用于榨汁机或榨油机的滤网结构，包括至少两个滤网单元，工作时，所述至少两个相邻滤网单元层叠设置，所述相邻滤网单元层叠设置时相对面之间完全贴合。
图1为实施例一的滤网结构的剖面示意图，图1为两个滤网单元层叠设置，滤网单元1和滤网单元2层叠设置时相对面完全贴合。滤网单元1设置有若干滤孔3，滤网单元2设置有若干滤孔4，滤孔3和滤孔4之间部分相互对应，既不完全错开也不完全对应，滤孔3和滤孔4之间的相互对应部分形成工作滤孔5。榨汁工作时，果汁(或其它榨出的液体，比如食用油)从滤网单元1的滤孔3流入，通过工作滤孔5，再通过相邻的滤网单元2的滤孔4流出，从而滤孔3、工作滤孔5与滤孔4形成榨汁工作时候的工作滤径，起到过滤的作用。
滤网单元上的滤孔为圆形、椭圆形、三角形、方形或多边形孔等点状孔，也包括细长(直的、弯曲的、折线形状)的缝隙，滤网单元上的滤孔大小和形状可相同也可不同。
图2为实施例一的第一种具体滤网结构的俯视图，滤网单元1和滤网单元2为圆板形状，滤网单元1上的滤孔3所处的半径与滤网单元2上的滤孔4所处的半径不完全相同，部分相互对应以形成工作滤孔5。
图3为实施例一的第二种具体滤网结构的俯视图，滤网单元1和滤网单元2为圆板形状，滤网单元1上的滤孔3所处的半径与滤网单元2上的滤孔4所处的半径相同，放置角度θ不同，部分相互对应以形成工作滤孔5。
调整相邻滤网单元的放置角度θ，调整工作滤孔的大小，进而调整实现不同出汁效果，满足人们对果汁多种口感的需要。
图4为实施例一的第三种具体滤网结构的俯视图，与前两种滤网结构不同的是，滤网单元1为格栅形状滤架，滤网单元2为圆板形状，滤网单元2上设置滤孔4，格栅形状滤架的栅条部分遮挡滤孔4，形成工作滤孔5。此种情况下滤网单元1上未设置滤孔。与前两种滤网结构相同之处：滤网单元1和滤网单元2层叠设置时相对面之间完全贴合，滤网单元1的部件(栅条)部分遮挡滤孔4，最终形成工作滤孔5。滤网单元1也可以为其他形状，只要可以对滤孔4部分遮挡，形成更小的孔即工作滤孔5。
滤网单元1上的滤孔3(例如直径5MM)与滤网单元2上的滤孔4(例如直径6MM)交错设置(即滤孔3与滤孔4部分对应)或滤网单元1上的格栅等部件对滤网单元2上的滤孔4部分遮挡都可以形成更小的工作滤孔5(例如形成的工作滤孔5为两头尖的近似长圆形，其最宽处1MM)起到过滤的作用，口感更佳细腻。滤孔面积越小，堵塞可能性增加。滤网单元1和滤网单元2之间为可拆卸设置，清洗时滤网单元1和滤网单元2拆开，小的工作滤孔5不再存在，只需分别清洗滤网单元1上的滤孔3与滤网单元2上的滤孔4，滤孔3(或格栅等部件)和滤孔4的面积相对较大，易于清洗，克服了现有榨汁机上的滤孔太小难清洗的问题。
滤网单元之间可拆卸设置，滤网单元为平面结构或弧面结构时可以直接搭放或通过卡扣等方式连接；滤网单元为筒状结构或喇叭(圆台)状结构时可以直接套装或通过卡扣等方式连接。
至少两个滤网单元中的至少一个滤网单元与榨汁机主体(榨汁腔或压榨缸)之间可拆卸设置。具体包括两种情况：一是至少一个滤网单元与榨汁机主体之间固定设置，其他滤网单元与榨汁机主体之间可拆卸设置；二是所有滤网单元与榨汁机主体之间均为可拆卸设置。
或者，至少两个滤网单元中的至少一个滤网单元与榨油机主体(榨膛)之间可拆卸设置。具体包括两种情况：一是至少一个滤网单元与榨油机主体之间固定设置，其他滤网单元与榨油机主体之间可拆卸设置；二是所有滤网单元与榨油机主体之间均为可拆卸设置。
滤网单元与榨汁机或榨油机主体通过螺纹配合、卡扣或卡槽等方式连接，或在榨汁机主体(榨汁腔或压榨缸)的不同直径圆周上设置凸台，不同直径的滤网单元卡放在不同的凸台上。
以上是两个滤网单元相层叠滤网单元相对面完全贴合设置时的情况，也适用于三个或以上滤网单元相对面完全贴合设置时的情况。
对于两个或以上滤网单元相层叠设置时，相邻滤网单元的相对面之间也可以只有一 部分完全贴合。
本发明的实施方式
实施例二：一种用于榨汁机或榨油机的滤网结构，包括至少两个滤网单元，工作时，所述至少两个相邻滤网单元层叠设置，所述相邻滤网单元层叠设置时相对面之间具有间隙。
图5为实施例二的剖面示意图，图6为实施例二的俯视图，两个滤网单元层叠设置，滤网单元1和滤网单元2层叠设置时相对面具有间隙。滤网单元1设置有若干滤孔3，滤网单元2设置有若干滤孔4，滤孔3和滤孔4之间完全不对应，滤网单元1和滤网单元2之间有间隙6。榨汁工作时，果汁从滤网单元1的滤孔3流入，通过间隙6，再通过滤网单元2的滤孔4流出，从而滤孔3、间隙6以及滤孔4形成工作滤径，起到过滤的作用。
图6为图5的俯视图，如图6所示，滤网单元1的滤孔3和滤网单元2上的滤孔4之间完全不对应。
图5-6中为两个滤网单元相层叠设置相对面之间具有间隙，也可以是三个或以上滤网单元相对面之间具有间隙。
此外还可以是，滤网单元1为格栅形状滤架，滤网单元2为圆板形状，滤网单元2上设置滤孔4，格栅形状滤架的栅条全部遮挡滤孔4，滤网单元1和滤网单元2之间有间隙6。榨汁工作时，果汁穿过滤网单元1的格栅形状滤架，通过间隙6，再通过滤网单元2的滤孔4流出，从而间隙6以及滤孔4形成工作滤径，起到过滤的作用。
滤网单元1也可以为其他形状，只要可以对滤孔4全部遮挡或部分遮挡，但因为滤网单元1与滤网单元2之间有间隙6，故此间隙6以及滤孔4仍形成工作滤径，起到过滤的作用。
滤网单元1和滤网单元2之间有间隙6，间隙6越小口感越细腻。间隙6间隔越小，堵塞可能性增加。滤网单元1和滤网单元2之间为可拆卸设置，清洗时滤网单元1和滤网单元2拆开，间隙6不再存在，只需分别清洗滤网单元1与滤网单元2，易于清洗，克服了现有榨汁机上的滤孔太小难清洗的问题。
滤网单元之间可拆卸设置，滤网单元为平面结构或弧面结构时可以直接搭放或通过卡扣连接；滤网单元为筒状结构或喇叭状结构时可以直接套装或通过卡扣连接。
至少两个滤网单元中的至少一个滤网单元与榨汁机主体(榨汁腔或压榨缸)之间可拆卸设置。具体包括两种情况：一是至少一个滤网单元与榨汁机主体之间固定设置，其他滤网单元与榨汁机主体之间可拆卸设置；二是所有滤网单元与榨汁机主体之间均为可拆卸设 置。
或者，至少两个滤网单元中的至少一个滤网单元与榨油机主体之间可拆卸设置。具体包括两种情况：一是至少一个滤网单元与榨油机主体之间固定设置，其他滤网单元与榨油机主体之间可拆卸设置；二是所有滤网单元与榨油机主体之间均为可拆卸设置。
滤网单元与榨汁机或榨油机主体通过螺纹配合、卡扣或卡槽等方式连接，或在榨汁机主体(榨汁腔或压榨缸)的不同直径圆周上设置凸台，不同直径的滤网单元卡放在不同的凸台上。
以上两个滤网单元相层叠设置相对面之间具有间隙的情况，也可以是三个或以上滤网单元相对面之间具有间隙的情况。
对于两个或以上滤网单元相层叠设置时，相邻滤网单元的相对面之间也可以只有一部分具有间隙。
实施例三：一种用于榨汁机或榨油机的滤网结构滤网结构，包括至少两个滤网单元，工作时，所述至少两个相邻滤网单元层叠设置，所述相邻滤网单元层叠设置时相对面之间具有间隙，至少一个滤网单元的一个表面设置有凸起，参照图5，在滤网单元1与滤网单元2的相对面设置有凸起，图5中凸起未示出，凸起高度为0.1mm，凸起使滤网单元1与滤网单元2之间间隙为0.1mm。
还可以是在滤网单元1的两个表面均设置凸起，但凸起的高度不同，一侧凸起高度为0.1mm，另一侧凸起高度为0.2mm。当滤网单元1表面的0.1mm凸起与滤网单元2接触时，凸起使滤网单元1与滤网单元2之间间隙为0.1mm；当滤网单元1表面的0.2mm凸起与滤网单元2接触时，凸起使滤网单元1与滤网单元2之间间隙为0.2mm。通过滤网单元1的两侧不同高度凸起与滤网单元2接触，进而达到调节间隙的大小目的。
还可以是在滤网单元1的一个表面设置凹槽。滤网单元1上的凹槽在滤网单元1与滤网单元2层叠设置时，连通滤网单元2上的滤孔(或滤网单元1上的凹槽在两个滤网单元层叠设置时不完全被滤网单元2所遮挡)。最好是凹槽横向连通滤网单元1上的不同滤孔，且滤网单元1与滤网单元2层叠设置时凹槽也连通滤网单元2上的滤孔。
还可以是在滤网单元1的两个表面都设置凹槽，但两个表面上的凹槽深度不同，一侧凹槽深度为0.1mm，另一侧凹槽深度为0.2mm。当滤网单元1表面的深度0.1mm凹槽与滤网单元2接触时，凹槽处使滤网单元1与滤网单元2之间形成深度0.1mm间隙(此处所述的“间隙”即凹槽本身)；当滤网单元1表面的0.2mm凹槽与滤网单元2接触时，凹槽使滤网单元1与滤网单元2之间形成深度为0.2mm间隙(此处所述的“间隙”即凹槽本身)。通过 滤网单元1的两侧不同深度凹槽与滤网单元2接触，进而达到调节间隙的大小目的。榨汁工作时，果汁从滤网单元1的滤孔3流入，通过凹槽处的间隙6，再通过滤网单元2的滤孔4流出，从而滤孔3、间隙6以及滤孔4形成工作滤径，起到过滤的作用。
当然也可以是在滤网单元的一个表面上设凸起，另一个表面设置凹槽。
在滤网单元1或滤网单元2上设置间隙调节机构，所述间隙调节机构为距离微调装置、高度可调节套管或在滤网单元的两个表面都设置有高度不同的凸起或深度不同的凹槽。
距离微调装置可以为设置滤网单元上的螺孔和与其相匹配的螺丝，通过调节螺丝旋入螺孔的距离来调节滤网单元1或滤网单元2间的间隙的大小。
高度可调节套管可以为设置滤网单元上的圆管和与其相匹配的内套圆管，圆管的内表面设置螺纹，内套圆管的外表面设置与圆管相匹配的螺纹，通过调节内套圆管旋入圆管的距离来调节滤网单元1或滤网单元2间的间隙的大小。
滤网单元上的凸起为圆形、椭圆形、三角形、方形或多边形点状凸起结构，环形凸台结构、放射形状凸起结构或条状凸起结构(直的、弯曲的、折线形状)的一种或多种，滤网单元上的凸起大小和形状可相同也可不同。
滤网单元之间可拆卸设置，具体参照实施例二。
至少两个滤网单元中的至少一个滤网单元与榨汁机主体(榨汁腔或压榨缸)之间可拆卸设置，具体参照实施例二。
以上两个滤网单元相层叠设置相对面之间具有间隙的情况，也可以是三个或以上滤网单元相对面之间具有间隙的情况。
对于两个或以上滤网单元相层叠设置时，相邻滤网单元的相对面之间也可以只有一部分具有间隙。
实施例四：一种用于榨汁机或榨油机的滤网结构滤网结构，包括至少两个滤网单元，工作时，所述至少两个相邻滤网单元层叠设置，所述相邻滤网单元层叠设置时相对面之部分完全贴合，部分间具有间隙。
滤网单元1与滤网单元2贴合部分的结构参照图1和实施例一；滤网单元1与滤网单元2具有间隙部分的结构参照图5和实施例二和实施例三。
还可以是三个或以上滤网单元层叠设置，相邻滤网单元之间可以是完全贴合，参照实施例一；相邻滤网单元之间也可以具有间隙，参照图5和实施例二和实施例三。
实施例五：一种用于榨汁机或榨油机的滤网结构滤网结构，包括至少两个滤网单元，工作时，所述至少两个相邻滤网单元层叠设置，所述相邻滤网单元层叠设置时相对面具有间 隙。
参照图7和图8，滤网单元1上设置滤孔3，滤网单元2上设置滤孔4，滤网单元1和滤网单元2之间具有间隙6。滤网单元2上设置遮挡凸起7，遮挡凸起7插放在滤孔3内，滤孔3与遮挡凸起7间具有空隙，该空隙形成工作滤孔5。榨汁工作时，果汁从滤网单元1的滤孔3与遮挡凸起7间的空隙即工作滤孔5流入，通过工作滤孔5进入间隙6，通过滤网单元2的滤孔4流出或直接通过间隙6流出，从而滤孔3、工作滤孔5、间隙6以及滤孔4形成工作滤径，起到过滤的作用。
滤网单元之间可拆卸设置，滤网单元为平面结构或弧面结构时可以直接搭放或通过卡扣连接；滤网单元为筒状结构或喇叭状结构时可以直接套装或通过卡扣连接。
至少两个滤网单元中的至少一个滤网单元与榨汁机主体(榨汁腔或压榨缸)之间可拆卸设置。具体包括两种情况：一是至少一个滤网单元与榨汁机主体之间固定设置，其他滤网单元与榨汁机主体之间可拆卸设置；二是所有滤网单元与榨汁机主体之间均为可拆卸设置。
滤网单元与榨汁机主体通过螺纹配合、卡扣或卡槽等方式连接，或在榨汁机主体(榨汁腔或压榨缸)的不同直径圆周上设置凸台，不同直径的滤网单元卡放在不同的凸台上。
以上两个滤网单元相层叠设置相对面之间具有间隙的情况，也可以是三个或以上滤网单元相对面之间具有间隙的情况。
对于两个或以上滤网单元相层叠设置时，相邻滤网单元的相对面之间也可以是只有一部分具有间隙。
实施例六：一种榨汁机，其滤网结构如实施例一。
实施例七：一种榨汁机，其滤网结构如实施例二。
实施例八：一种榨汁机，其滤网结构如实施例三。
实施例九：一种榨汁机，其滤网结构如实施例四。
实施例十：一种榨汁机，其滤网结构如实施例五。
实施例十一：一种离心式榨汁机，所述离心式榨汁机的滤网结构包括刀网组件和滤网单元2，图9为离心式榨汁机的滤网结构。所述刀网组件包括喇叭形状网板和圆盘形状刀盘8，所述刀网组件上的喇叭形状网板相当于滤网单元1。
所述滤网单元2为喇叭形状网板，图9中滤网单元2设置在所述刀网组件的喇叭形状网板的外侧，滤网单元2还可以设置在所述刀网组件的喇叭形状网板的内侧，两者套放设 置。
刀网组件和滤网单元2之间通过卡扣或卡槽等方式连接。
刀网组件和榨汁机主机的电机轴通过联轴器等现有技术连接。
所述刀网组件上的喇叭形状网板与滤网单元2的喇叭形状网板间的位置关系可以完全贴合或具有间隙，参见实施例一至五任一种。
实施例十二：一种立式螺旋榨汁机，所述立式螺旋榨汁机的滤网结构包括滤网单元1和滤网单元2，图10为立式螺旋榨汁机的滤网结构。图10中所述滤网单元2设置在所述滤网单元1的外侧；滤网单元1和滤网单元2均为圆台形中空形状的网板，其垂直开口，所述网板的直径从顶部至底部逐渐减小；滤网单元1与滤网单元2套放设置，即滤网单元2套在滤网单元1外，当然也可以是滤网单元1套在滤网单元2外；所述滤网单元1或滤网单元2内壁设置凸起壁刀。优选地，所述凸起壁刀为竖直条状结构或倾斜设置的条状结构，当设置有凸起壁刀的滤网单元处于外侧时候，所述内侧滤网单元的壁上有窗口或空隙，以使处于外侧滤网单元壁上的凸起壁刀穿过所述窗口或空隙露出。所述滤网单元2还可以设置在所述滤网单元1的内侧，即两者为套放设置。
滤网单元1和滤网单元2也可以均为圆筒形状的网板，其垂直开口。
滤网单元1和滤网单元2之间通过卡扣或卡槽等方式连接。
滤网单元1或滤网单元2通过卡扣或卡槽等现有技术方式设置在榨汁机的榨汁腔内。
滤网单元1的侧壁上设有滤孔3(图10中未示出)，滤网单元2的侧壁上有滤孔4，滤孔3所处的水平高度与滤孔4不完全相同，但是滤孔3和滤孔4又有部分对应以形成工作滤孔5，滤孔3、工作滤孔5以及滤孔4形成工作滤径；或者以滤网单元中心为轴线，滤孔3与滤孔4所处的水平角度不完全相同又有部分对应以形成工作滤孔5，滤孔3、工作滤孔5以及滤孔4形成工作滤径。
也还可以是滤网单元1的侧壁上设有滤孔3(图10中未示出)，滤网单元2的侧壁上有滤孔4，滤孔3与滤孔4之间部分对应或完全不对应，但是滤网单元1与滤网单元2之间有间隙6，滤孔3、间隙6以及滤孔4形成工作滤径。
滤网单元1和滤网单元2的位置关系可以完全贴合或具有间隙，更多的具体结构参见实施例一至五任一种。
实施例十三：一种卧式螺旋榨汁机，即榨汁螺旋轴为水平或近似水平设置的螺旋榨汁机，所述卧式螺旋榨汁机的滤网结构包括网单元1和滤网单元2，所述滤网单元2设置在 所述滤网单元1的外侧或内侧即两者为套放设置；滤网单元1和滤网单元2均为圆台形中空形状的网板，其横向两端开口；或滤网单元1和滤网单元2为弧形网板，两者层叠放置。
滤网单元1和滤网单元2也可以均为圆筒形状的网板，其横向两端开口。
滤网单元1和滤网单元2之间通过卡扣或卡槽等方式连接。
滤网单元1或滤网单元2通过卡扣或卡槽等现有技术方式设置在榨汁机的榨汁腔内。
滤网单元1和滤网单元2的位置关系可以完全贴合或具有间隙，参见实施例一至五任一种。
实施例十四：一种活塞式榨汁机，所述活塞式榨汁机包括压榨缸10，所述滤网结构包括滤网单元1和滤网单元2，图11为活塞9、压榨缸10和滤网结构的示意图，滤网单元1为一体设在压榨缸的底部，所述滤网单元2直接搭放在滤网单元1的内侧；滤网单元1和压榨缸10为一体结构，滤网单元1和滤网单元2采用平面(也可以弧面)结构，滤网单元2的外径小于压榨缸10内径。
所述滤网单元1和所述滤网单元2完全贴合，滤网单元1上设置滤孔3，滤网单元2上设置滤孔4，滤孔3和滤孔4交错设置形成工作滤孔5，具体参照实施例一。
滤网单元1还可以可拆卸设在在压榨缸10的底部或下部。
滤网单元2还可以通过螺纹等现有技术方式连接设置在滤网单元1或压榨缸10外侧，即两者套放设置。
实施例十五：一种活塞式榨汁机，所述活塞式榨汁机包括压榨缸10，所述滤网结构包括滤网单元1和滤网单元2，图12为活塞9、压榨缸10和滤网结构的示意图，滤网单元1为一体设在压榨缸的底部和侧壁下部，滤网单元1的底部为平面形状。
滤网单元1的底部和侧壁的内侧设置凸起，凸起高度0.2mm。
滤网单元2采用桶状结构，其底部为平面形状。滤网单元2的外径小于滤网单元1侧壁的内径，滤网单元2的外半径与滤网单元1内半径的差值范围为大于0.2mm小于0.4mm，以便滤网单元1和滤网单元2间形成稳定的间隙6。
滤网单元1上设置滤孔3，滤网单元2桶状结构的侧壁和底部上设置滤孔4，滤孔3和滤孔4之间完全不对应，滤网单元1和滤网单元2之间有间隙6。榨汁工作时，果汁从滤网单元1的滤孔3流入，通过间隙6，再通过滤网单元2的滤孔4流出，滤孔3、间隙6以及滤孔4形成工作滤径，起到过滤的作用，具体参照实施例二和实施例三。
滤网单元1还可以可拆卸设在在压榨缸10的底部或下部。
滤网单元2还可以通过螺纹等现有技术方式设置在滤网单元1或压榨缸10外侧，即两者套放设置。
实施例十六：一种活塞式榨汁机，所述活塞式榨汁机包括压榨缸10，所述滤网结构包括滤网单元1和滤网单元2，图13为压榨缸10和滤网结构的示意图。
压榨缸10的底部设置有开口11，开口11处设置向内的翻边12。
滤网单元1为可拆卸设在压榨缸10的底部，滤网单元1和滤网单元2均为圆盘形状，滤网单元1和滤网单元2的外径小于压榨缸10的内径且大于开口11的内径，以便滤网单元1和滤网单元2能够稳定搭放在压榨缸10内。
滤网单元1上的滤孔3所处的半径与滤网单元2上的滤孔4所处的半径不完全相同，部分相互对应以形成工作滤孔5。
还可以是，滤网单元1上的滤孔3所处的半径与滤网单元2上的滤孔4所处的半径相同，放置角度θ不同，部分相互对应以形成工作滤孔5。
或者也可以是，滤网单元1和滤网单元2层叠设置时相对面具有间隙(滤网单元1或2滤网单元2的相对面上有凸起)。滤网单元1设置有若干滤孔3，滤网单元2设置有若干滤孔4，滤孔3和滤孔4之间完全不对应，滤网单元1和滤网单元2之间有间隙6。榨汁工作时，果汁从滤网单元1的滤孔3流入，通过间隙6，再通过滤网单元2的滤孔4流出，滤孔3、间隙6以及滤孔4形成工作滤径，起到过滤的作用。
滤网单元1和滤网单元2位置关系可以完全贴合或具有间隙，更多的具体结构参见实施例一至五任一种。
滤网单元1还可以可拆卸设在在压榨缸10的底部或下部。
滤网单元2还可以通过螺纹等现有技术方式设置在滤网单元1或压榨缸10外侧，即两者套放设置。
本实施例的滤网结构也适用于真空活塞式榨汁机。
实施例十七：一种真空活塞式榨汁机，参照图14，包括压榨缸10、滤网结构L(图14中仅为示意)、接汁部17、活塞9、电力驱动伸缩机构15、电动真空泵14和机体13(图14中为C型框架形状机体)，抽气导管结构16，压榨缸10内安装滑动的活塞9，所述活塞9的外缘与所述压榨缸10的内缘紧密贴合，所述活塞9将所述压榨缸10分为相互隔绝的运行室和压榨室，所述活塞9顶面位于所述运行室内，所述活塞9底面位于所述压榨室内；
压榨缸10与所述接汁部17之间为可拆卸密封连接结构(也可以是一体结构)，压榨 缸10位于所述接汁部17外(或者压榨缸10部分位于所述接汁部17内，或者所述压榨缸10全部位于所述接汁部17内)，压榨缸10与接汁部17形成一密闭腔体，运行室与大气环境连通(或者所述运行室也可以为密闭空间)；
压榨缸10的底部设置滤网结构L(或者压榨缸10侧壁设置滤网结构L、或者压榨缸与接汁部之间设置滤网结构L、或者接汁部内设置滤网结构L、或者所述压榨缸内设置所述滤网结构L)。
压榨缸10与滤网结构L之间的结构关系参照实施例十四至实施例十六任一种。
滤网结构L至少包括两个滤网单元，滤网单元间的位置关系可以完全贴合或具有间隙，参见实施例一至五任一种。
所述电力驱动伸缩机构15包括驱动部和伸缩部，所述伸缩部在所述驱动部的驱动下能伸出或缩进，所述驱动部设置在所述机体13内(或设置在机体上、部分设置在运行室内或者全部设置在运行室内)，伸缩部与活塞9可拆卸连接(或者是固定连接或仅是抵压在所述活塞上)，伸缩部伸缩时推动(或也可以是拉动)活塞9在压榨缸10内运动，使所述压榨室体积变化，当所述伸缩部推动所述活塞9运动并使所述压榨室体积变小时，所述活塞9压榨位于所述压榨室内的待压榨物，压榨出的汁液通过所述滤网结构L进入所述接汁部17内；
所述电动真空泵14位于所述机体13内(或所述机体上、密闭腔体内或所述运行室内)，它具有抽气口和出气口，所述电动真空泵14的所述抽气口通过抽气导管结构16与接汁部17连通(也可以是抽气导管结构16与密闭腔体连通)，电动真空泵的出气口通过出气管路与大气环境连通；
所述电动真空泵14、抽气导管结构16等为主构成了抽真空结构。
所述电动真空泵14通过抽气导管结构16用于使密闭腔体在活塞9进行压榨前、活塞9进行压榨时或活塞9完成压榨后的三个阶段中的全部阶段、任意两个阶段或任意一个阶段中将密闭腔体内的空气抽出，使该密闭腔体保持真空状态。
实施例十八：一种卧式螺旋榨油机，所述卧式螺旋榨油机的滤网结构包括滤网单元1和滤网单元2，图15为卧式螺旋榨油机的滤网结构。
图15中滤网单元2套放设置在滤网单元1的外侧；
滤网单元1为卧式螺旋榨油机的榨膛，榨膛具有进料口1J、出渣口1C和出油滤孔3，榨膛内安装有卧式螺旋榨杆(图15中未示出)，所述出油滤孔3位于榨膛的侧壁上；
滤网单元2是具有滤孔的中空网板，它套放设置在榨膛外，其相对面之间完全贴 合；滤网单元1与滤网单元2上的滤孔之间有部分对应形成工作滤孔，所述滤孔以及工作滤孔形成工作滤径；
或者还可以是每个滤网单元的侧壁上均有滤孔，且相邻滤网单元上的滤孔之间部分对应或完全不对应，两个滤网单元之间有间隙6，所述滤孔以及所述间隙6形成工作滤径；
两个滤网单元之间通过卡扣或卡槽等方式连接并固定(以免榨油时候移动)。
图15所示滤网结构(竖直使用时候)还适用于立式螺旋榨油机。
实施例十九：一种螺旋榨油机，所述螺旋榨油机的滤网结构包括滤网单元1和滤网单元2，图16为螺旋榨油机的滤网结构。
滤网单元1为内部设有中空形状出油通道1T的榨杆，榨杆上设有出油滤孔(图16中未示出)；
滤网单元2是具有滤孔的中空网板，它套放设置在榨杆内，其相对面之间完全贴合或有间隙；相邻滤网单元上的滤孔之间有部分对应以形成工作滤孔，所述滤孔以及工作滤孔形成工作滤径；
或者是每个滤网单元的侧壁上均有滤孔，且相邻滤网单元上的滤孔之间部分对应或完全不对应，所述至少两个滤网单元之间有间隙6，所述滤孔以及所述间隙6形成工作滤径。
两个滤网单元之间通过卡扣或卡槽等方式连接并固定(以免榨油时候移动)。
实施例二十：一种螺旋榨汁机，所述螺旋榨汁机的滤网结构包括至少两个滤网单元，其中一个滤网单元为内部设有中空形状出汁通道的榨杆，榨杆上设有滤孔；另一个滤网单元是具有滤孔的中空网板，它套放设置在榨杆内或榨干外，其相对面之间完全贴合或有间隙；相邻滤网单元上的滤孔之间有部分对应以形成工作滤孔，所述滤孔以及工作滤孔形成工作滤径；或者是每个滤网单元的侧壁上均有滤孔，且相邻滤网单元上的滤孔之间部分对应或完全不对应，所述至少两个滤网单元之间有间隙，所述滤孔以及所述间隙形成工作滤径；两个滤网单元之间通过卡扣或卡槽等方式连接并固定。
与现有技术相比，结构简单，设置合理，至少两个滤网单元层叠设置，以形成更小的工作滤孔5起到过滤的作用，口感更佳细腻；工作滤孔5面积越小，堵塞可能性增加；滤网单元1与滤网单元2之间为可拆卸设置，每个滤网单元分别清洗，小的工作滤孔5不再存在，只需分别清洗每个滤网单元上的滤孔3和滤孔4，该滤孔的面积相对较大，易于清洗；或滤网单元之间有间隙6，间隙6形成工作滤径，间隙越小口感越细腻。间隙间隔越小，堵塞可能性增加。滤网单元1和滤网单元2之间为可拆卸设置，清洗时把滤网单元1和滤网单 元2拆开，间隙6不再存在，只需分别清洗每个滤网单元，易于清洗，克服了现有榨汁机或榨油机上的滤孔太小难清洗的问题。
滤网单元上的滤孔为圆形、椭圆形、三角形、方形或多边形孔等点状孔，也包括细长(直的、弯曲的、折线形状)的缝隙，滤网单元上的滤孔大小和形状可相同也可不同。
不同的滤网单元上的滤孔交错设置形成的工作滤孔5的形状也可以是圆形、椭圆形、三角形、方形或多边形孔等点状孔，或是细长(直的、弯曲的、折线形状)的缝隙。
本发明所述的工作滤径是至少两个相邻滤网单元层叠设置时候，不同滤网单元上的滤孔之间交错设置，或具有滤孔的滤网单元上的滤孔被相邻滤网单元上的部件遮挡，形成的起到过滤作用的过滤途径。具体比如是滤网单元1上有滤孔3，滤网单元2上有滤孔4，滤孔3、滤孔4交错设置形成有工作滤孔5，则滤孔3、滤孔4以及工作滤孔5形成工作滤径。或者滤网单元1上有滤孔3，滤网单元2上有滤孔4，滤网单元1与滤网单元2之间相对面之间有间隙6，则滤孔3、间隙6以及滤孔4就形成工作滤径。总之工作滤径简单说就是本发明中，榨汁时候果汁流过的路径或者榨油时候食用油流过的路径。
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Claims (25)

  1. 一种用于榨汁机或榨油机的滤网结构，包括至少两个滤网单元，其特征在于，工作时，所述相邻滤网单元之间层叠设置，并且形成工作滤径；
    所述相邻滤网单元之间层叠设置时，相对面之间至少有一部分完全贴合：
    所述完全贴合部分：相邻滤网单元上都设有滤孔，相邻滤网单元的滤孔相互交错设置以形成工作滤孔，所述的滤孔以及工作滤孔形成工作滤径；所述工作滤孔小于滤网单元的滤孔；或所述完全贴合部分：相邻滤网单元中，至少一个滤网单元上有滤孔，相邻滤网单元上有能够部分遮挡所述有滤孔的滤网单元上的滤孔的部件以形成工作滤孔，所述工作滤孔即为工作滤径；所述工作滤孔小于滤网单元的滤孔；或
    所述相邻滤网单元之间层叠设置时，相对面之间至少有一部分具有间隙：
    所述具有间隙部分：相邻滤网单元上都设有滤孔，相邻滤网单元的滤孔相互交错设置，所述的滤孔以及所述间隙形成工作滤径；或
    所述具有间隙部分：相邻滤网单元中，至少一个滤网单元上有滤孔，相邻滤网单元上有能够遮挡所述有滤孔的滤网单元上的滤孔的部件，所述间隙及滤孔形成工作滤径；或上述部件与滤孔间形成工作滤孔，所述间隙、工作滤孔及滤孔形成工作滤径。
  2. 根据权利要求1所述的一种用于榨汁机或榨油机的滤网结构，其特征在于，所述至少两个相邻滤网单元之间可拆卸设置；或者所述至少两个滤网单元中的至少一个滤网单元与榨汁机主体之间可拆卸设置；或者所述至少两个滤网单元中的至少一个滤网单元与榨油机主体之间可拆卸设置。
  3. 根据权利要求1所述的一种用于榨汁机或榨油机的滤网结构，其特征在于，所述工作滤径采用下列形式之一：
    ①所述相邻滤网单元层叠设置时，相对面之间至少有一部分完全贴合：
    所述完全贴合部分：相邻滤网单元上都设有滤孔，相邻滤网单元的滤孔相互部分对应以形成工作滤孔，所述的滤孔以及工作滤孔形成工作滤径；或
    所述完全贴合部分：相邻滤网单元中，至少一个滤网单元上有滤孔，相邻滤网单元上有能够部分遮挡所述有滤孔的滤网单元上的滤孔的部件以形成工作滤孔，所述工作滤孔即为工作滤径；
    ②所述相邻滤网单元层叠设置时，相对面之间至少有一部分具有间隙：
    所述具有间隙部分：相邻滤网单元上都设有滤孔，所述相邻滤网单元的滤孔之间相互部分对应形成工作滤孔，所述的滤孔、工作滤孔以及所述间隙形成工作滤径；或
    所述具有间隙部分：相邻滤网单元上都设有滤孔，所述相邻滤网单元的滤孔之间完全不对 应，所述滤孔以及所述间隙形成工作滤径；或
    所述具有间隙部分：相邻滤网单元中，至少一个滤网单元上有滤孔，相邻滤网单元上有能够全部遮挡或部分遮挡所述有滤孔的滤网单元上的滤孔的部件，所述间隙及滤孔形成工作滤径；或上述部件与滤孔间形成工作滤孔，所述间隙、工作滤孔及滤孔形成工作滤径；
    ③所述相邻滤网单元之间层叠设置时，相对面之间有一部分完全贴合，另一部分具有间隙：所述相邻滤网单元中，至少一个滤网单元上有滤孔，所述贴合部分的滤网单元上有能够部分遮挡所述有滤孔的滤网单元上滤孔的部件形成工作滤孔，所述滤孔以及工作滤孔形成贴合部分的工作滤径；所述具有间隙部分的相邻滤网单元上有能够部分遮挡或全部遮挡所述有滤孔的滤网单元上滤孔的部件，所述滤孔、以及所述间隙形成间隙部分的工作滤径；或具有间隙部分的相邻滤网单元上，所述的起遮挡作用的部件与滤孔间形成工作滤孔，所述间隙、工作滤孔及滤孔形成间隙部分的工作滤径；或
    所述相邻滤网单元上都设有滤孔，所述贴合部分的滤网单元上的滤孔与相邻滤网单元上的滤孔之间是有部分对应，以形成工作滤孔，所述滤孔、工作滤孔形成贴合部分的工作滤径；所述具有间隙的部分的滤网单元上的滤孔与相邻滤网单元上的滤孔之间是部分对应形成工作滤孔，所述滤孔、工作滤孔以及所述间隙形成间隙部分的工作滤径；或者，所述具有间隙的部分的滤网单元上的滤孔与相邻滤网单元上的滤孔之间是完全不对应，所述滤孔以及所述间隙形成间隙部分的工作滤径。
  4. 根据权利要求1所述的一种用于榨汁机或榨油机的滤网结构，其特征在于，所述至少一个滤网单元至少一个表面设置有凸起或凹槽。
  5. 根据权利要求4所述的一种用于榨汁机或榨油机的滤网结构，其特征在于，所述凸起为点状突起结构、环形凸台结构、放射形状凸起结构或条状凸起结构的一种或多种。
  6. 根据权利要求4所述的一种用于榨汁机或榨油机的滤网结构，其特征在于，所述滤网单元上的凹槽在至少两个滤网单元层叠设置时连通相邻滤网单元上的滤孔，或所述滤网单元上的凹槽在至少两个滤网单元层叠设置时不完全被相邻滤网单元所遮挡。
  7. 根据权利要求1—4任一权利要求所述的一种用于榨汁机或榨油机的滤网结构，其特征在于，所述至少两个滤网单元之间设置间隙调节机构以调节相邻滤网单元间的间隙间隔，
    所述间隙调节机构采用下列结构的一种或多种：
    ①距离微调装置；
    ②高度可调节套管；
    ③在所述至少一个滤网单元的两个表面都设置有凸起，且设置在不同表面的凸起高度不同；
    ④在所述至少一个滤网单元的两个表面都设置有凹槽，且设置在不同表面的凹槽深度不同；
    ⑤在所述至少一个滤网单元的一个表面设置有凸起，另一个表面设置有凹槽。
  8. 一种具有权利要求1—6任一权利要求所述用于榨汁机或榨油机的滤网结构的榨汁机。
  9. 根据权利要求8所述的一种榨汁机，其特征在于，所述榨汁机为离心式榨汁机、立式螺旋榨汁机、卧式螺旋榨汁机、螺旋榨汁机、活塞式榨汁机或真空活塞式榨汁机。
  10. 根据权利要求9所述的一种榨汁机，其特征在于，所述离心式榨汁机的所述滤网结构包括刀网组件和滤网单元，所述刀网组件包括网板和刀盘，所述滤网单元设置在所述刀网组件的网板的外侧或内侧。
  11. 根据权利要求9所述的一种榨汁机，其特征在于，所述立式螺旋榨汁机的滤网结构包括至少两个滤网单元，所述滤网单元为圆台形或圆筒形中空网板，垂直开口，所述滤网单元间套放设置，至少一个所述滤网单元内壁设置凸起壁刀，当设置有凸起壁刀的滤网单元处于外侧时候，所述处于内侧滤网单元的壁上有窗口或空隙，以使处于外侧滤网单元壁上的凸起壁刀穿过所述窗口或空隙露出。
  12. 根据权利要求11所述的一种榨汁机，其特征在于，每个所述滤网单元侧壁上均设有滤孔，相邻滤网单元侧壁上滤孔所处的水平高度不完全相同，但是相邻滤网单元上的滤孔之间又有部分对应以形成工作滤孔，所述滤孔以及工作滤孔形成工作滤径；或者以滤网单元中心为轴线，每个滤网单元上的滤孔所处的水平角度不完全相同又有部分对应以形成工作滤孔，所述滤孔以及工作滤孔形成工作滤径；或者是每个滤网单元的侧壁上均有滤孔，且相邻滤网单元上的滤孔之间部分对应或完全不对应，所述至少两个滤网单元之间有间隙，所述滤孔以及所述间隙形成工作滤径。
  13. 根据权利要求9所述的一种榨汁机，其特征在于，所述卧式螺旋榨汁机的滤网结构包括至少两个滤网单元，所述滤网单元为圆台形或圆筒形中空网板，其横向两端开口，所述滤网单元间套放设置；或所述滤网单元为弧形网板，所述滤网单元间层叠设置。
  14. 根据权利要求9所述的一种榨汁机，其特征在于，所述螺旋榨汁机的滤网结构包括至少两个滤网单元，其中一个滤网单元为内部设有中空形状出汁通道的榨杆，榨杆上设有滤孔；另一个滤网单元是具有滤孔的中空网板，它套放设置在榨杆内或榨干外，其相对面之间完全贴合或有间隙；相邻滤网单元上的滤孔之间有部分对应以形成工作滤孔，所述滤孔以及工作滤孔形成工作滤径；或者是每个滤网单元的侧壁上均有滤孔，且相邻滤网单元上的滤孔之间部分对应或完全不对应，所述至少两个滤网单元之间有间隙，所述滤孔以及所述间隙形成工作滤径。
  15. 根据权利要求9所述的一种榨汁机，其特征在于，所述活塞式榨汁机包括压榨缸，所述滤网结构包括至少两个滤网单元，至少一个滤网单元为一体或可拆卸设在在压榨缸的底部、下部或侧壁，所述滤网单元间套放设置。
  16. 根据权利要求15所述的一种榨汁机，其特征在于，所述至少两个滤网单元俯视均为圆形，每个滤网单元上的滤孔所处的半径不完全相同，且部分相互对应以形成工作滤孔，所述滤孔以及工作滤孔形成工作滤径；或者是，所述至少两个滤网单元俯视均为圆形，每个滤网单元上的滤孔所处的半径相同，滤孔所处角度不同，相邻滤网单元的滤孔部分相互对应以形成工作滤孔，所述滤孔以及工作滤孔形成工作滤径；或者是，每个滤网单元上均有滤孔，相邻滤网单元上的滤孔之间完全不对应或有部分对应，所述至少两个滤网单元层叠设置时相对面具有间隙，所述滤孔以及间隙形成工作滤径。
  17. 根据权利要求9所述的一种榨汁机，其特征在于，所述真空活塞式榨汁机的滤网结构包括至少两个滤网单元，至少一个滤网单元为一体或可拆卸设在压榨缸的底部、下部或侧壁，所述滤网单元间套放设置。
  18. 一种具有权利要求1—6任一权利要求所述的用于榨汁机或榨油机的滤网结构的榨油机。
  19. 根据权利要求18所述的一种榨油机，其特征在于，所述榨油机为立式螺旋榨油机、卧式螺旋榨油机、螺旋榨油机、活塞式榨油机或真空活塞式榨油机。
  20. 根据权利要求19所述的一种榨油机，其特征在于，所述立式螺旋榨油机的滤网结构包括至少两个滤网单元，其中一个滤网单元为榨膛，所述榨膛具有进料口、出渣口和出油滤孔，所述榨膛内安装有立式螺旋榨杆，所述出油滤孔位于榨膛的侧壁上；另一个滤网单元是具有滤孔的中空网板，所述具有滤孔的中空网板套放设置在所述榨膛内或所述榨膛外，其相对面之间完全贴合或有间隙；所述相邻滤网单元侧壁上滤孔所处的水平高度不完全相同，但是所述相邻滤网单元上的滤孔之间又有部分对应以形成工作滤孔，所述滤孔以及工作滤孔形成工作滤径；或者以所述滤网单元中心为轴线，每个所述滤网单元上的滤孔所处的水平角度不完全相同又有部分对应以形成工作滤孔，所述滤孔以及工作滤孔形成工作滤径；或者是所述每个滤网单元的侧壁上均有滤孔，且相邻滤网单元上的滤孔之间部分对应或完全不对应，所述至少两个滤网单元之间有间隙，所述滤孔以及所述间隙形成工作滤径。
  21. 根据权利要求19所述的一种榨油机，其特征在于，所述卧式螺旋榨油机的滤网结构包括至少两个滤网单元，其中一个滤网单元为榨膛，所述榨膛具有进料口、所述出渣口和出油滤孔，所述榨膛内安装有卧式螺旋榨杆，所述出油滤孔位于榨膛的侧壁上；另一个滤网单元 是具有滤孔的中空网板，所述具有滤孔的中空网板套放设置在所述榨膛内或所述榨膛外，其相对面之间完全贴合或有间隙；相邻所述滤网单元上的滤孔之间有部分对应以形成工作滤孔，所述滤孔以及工作滤孔形成工作滤径；或者以所述滤网单元中心为轴线，每个所述滤网单元上的滤孔所处的角度不完全相同又有部分对应以形成工作滤孔，所述滤孔以及工作滤孔形成工作滤径；或者是每个所述滤网单元的侧壁上均有滤孔，且相邻所述滤网单元上的滤孔之间部分对应或完全不对应，所述至少两个滤网单元之间有间隙，所述滤孔以及所述间隙形成工作滤径。
  22. 根据权利要求19所述的一种榨油机，其特征在于，所述螺旋榨油机的滤网结构包括至少两个滤网单元，其中一个滤网单元为内部设有中空形状出油通道的榨杆，所述榨杆上设有出油滤孔；另一个滤网单元是具有滤孔的中空网板，所述具有滤孔的中空网板套放设置在榨杆内或榨干外，其相对面之间完全贴合或有间隙；相邻所述滤网单元上的滤孔之间有部分对应以形成工作滤孔，所述滤孔以及工作滤孔形成工作滤径；或者是每个所述滤网单元的侧壁上均有滤孔，且相邻所述滤网单元上的滤孔之间部分对应或完全不对应，所述至少两个滤网单元之间有间隙，所述滤孔以及所述间隙形成工作滤径。
  23. 根据权利要求19所述的一种榨油机，其特征在于，所述活塞式榨油机包括压榨缸，所述滤网结构包括至少两个滤网单元，至少一个滤网单元为一体或可拆卸设在在压榨缸的底部、下部或侧壁，所述滤网单元间套放设置。
  24. 根据权利要求23所述的一种榨油机，其特征在于，所述至少两个滤网单元俯视均为圆形，每个所述滤网单元上的滤孔所处的半径不完全相同，且部分相互对应以形成工作滤孔，所述滤孔以及工作滤孔形成工作滤径；或者是，所述至少两个滤网单元俯视均为圆形，每个滤网单元上的滤孔所处的半径相同，滤孔所处角度不同，相邻所述滤网单元的滤孔部分相互对应以形成工作滤孔，所述滤孔以及工作滤孔形成工作滤径；或者是，每个所述滤网单元上均有滤孔，相邻滤网单元上的滤孔之间完全不对应或有部分对应，所述至少两个滤网单元层叠设置时相对面具有间隙，所述滤孔以及间隙形成工作滤径。
  25. 根据权利要求19所述的一种榨油机，其特征在于，所述真空活塞式榨油机的滤网结构包括至少两个滤网单元，至少一个滤网单元为一体或可拆卸设在压榨缸的底部、下部或侧壁，所述滤网单元间套放设置。
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