CN113925336A - Stock machine extrusion filter assembly with crushing function in advance - Google Patents

Stock machine extrusion filter assembly with crushing function in advance Download PDF

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Publication number
CN113925336A
CN113925336A CN202111432105.0A CN202111432105A CN113925336A CN 113925336 A CN113925336 A CN 113925336A CN 202111432105 A CN202111432105 A CN 202111432105A CN 113925336 A CN113925336 A CN 113925336A
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China
Prior art keywords
filter
crushing
screw
juicer
extrusion
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CN202111432105.0A
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CN113925336B (en
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丁明敏
张喜
郭明飞
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Zhongshan Pue Electric Appliance Co ltd
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Zhongshan Pue Electric Appliance Co ltd
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J19/00Household machines for straining foodstuffs; Household implements for mashing or straining foodstuffs
    • A47J19/02Citrus fruit squeezers; Other fruit juice extracting devices
    • A47J19/025Citrus fruit squeezers; Other fruit juice extracting devices including a pressing screw
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J19/00Household machines for straining foodstuffs; Household implements for mashing or straining foodstuffs
    • A47J19/06Juice presses for vegetables

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)

Abstract

The invention discloses a juice machine extrusion filtering component with a pre-crushing function; belongs to the technical field of juice machines; the device is technically characterized by comprising a filter, wherein a screw rod is rotationally arranged in the filter, an opening part at the upper end of the filter is provided with an installation clapboard, the edge of the installation clapboard is provided with a blanking port, the upper surface of the installation clapboard is rotationally connected with a pre-crushing cutter, and the pre-crushing cutter is connected and linked with the screw rod through a linkage structure; large particles or whole fruits and vegetables are cut by a pre-crushing cutter and then enter an extrusion crushing gap formed by a screw and a filter from a blanking port; the invention aims to provide a juice extractor extrusion filtering component with a pre-crushing function, which has the advantages of compact structure, convenient assembly and good juice extraction effect; is used for a juice machine.

Description

Stock machine extrusion filter assembly with crushing function in advance
Technical Field
The invention relates to a juice machine extrusion filter assembly, in particular to a juice machine extrusion filter assembly with a pre-crushing function.
Background
The juice extractor is developed on the basis of a conventional juice extractor, and the main working purpose of the juice extractor is to convert fruits into juice so as to improve the taste and facilitate drinking. But the original juice machine has qualitative leap on the basis of the traditional cup type blender and juice extractor. The low-speed screw extrusion technology of the juice machine has the advantages that the lower the extrusion rotating speed is, the better the extrusion rotating speed is, the rotating speed per minute of the common juice machine is about 75 revolutions, the juice is slowly extruded like a towel, the cell structure of the fruit is not damaged, and the nutrition of the fruit can be preserved. And the juice is discharged at low speed without generating high heat, thereby avoiding the problem of heating and oxidizing the juice.
The existing juice extractor can only squeeze and squeeze the fruits and vegetables with smaller volume due to the limitation of size and structure. Therefore, before juicing, the fruits and vegetables need to be cut into pieces, the operation is complex in use, and the whole fruits and vegetables cannot be directly juiced.
Disclosure of Invention
The invention aims to provide the squeezing and filtering component of the juice extractor, which has the advantages of compact structure, convenient assembly and good juice extracting effect and has the function of pre-crushing, aiming at the defects of the prior art.
The technical scheme of the invention is realized as follows: a juice machine extrusion filtering component with a pre-crushing function comprises a filter, wherein a screw rod is rotationally arranged in the filter, an installation partition plate is arranged at an opening part at the upper end of the filter, a blanking port is arranged at the edge of the installation partition plate, a pre-crushing cutter is rotationally connected to the upper surface of the installation partition plate, and the pre-crushing cutter is connected and linked with the screw rod through a linkage structure; after being cut by the pre-crushing cutter, large particles or whole fruits and vegetables enter an extrusion crushing gap formed by the screw and the filter from the blanking port.
In the juice machine extrusion filter assembly with the pre-crushing function, the inner cavity of the filter is in a round table shape with a small top and a big bottom, and the installation clapboard is integrally formed at the opening part at the upper end of the filter.
In the juice machine extrusion filtering component with the pre-crushing function, an included angle between a generatrix of the circular truncated cone shape of the inner cavity of the filter and a horizontal plane is 86-88.5 degrees.
In the above-mentioned stock machine extrusion filter assembly with crushing function in advance, linkage structure is equipped with the cock cap including setting up the polygon locating hole at installation baffle center at polygon locating hole endotheca, the cock cap center is provided with transverse section along the screw rod axis and is the circular shape locating hole, and the internal hexagonal swivel nut is connected to the rotation in the locating hole, and internal hexagonal swivel nut upper end integrated into one piece has the outer wall to be polygonal first connecting ring.
A connecting seat with an inner screw thread is fixedly arranged at the center of the bottom of the pre-crushing cutter, a connecting groove matched with the first connecting ring is formed in the outer end face of the connecting seat, and a fastening screw penetrates through an inner hole of the inner hexagonal thread sleeve to be fixedly connected with the connecting seat through a thread.
The upper end of the central rotating shaft of the screw rod is provided with an outer hexagonal connector matched with the inner hexagonal thread sleeve, and the screw rod drives the pre-crushing cutter to be linked through the matching of the outer hexagonal connector and the inner hexagonal thread sleeve.
In the juice extractor extrusion filter assembly with the pre-crushing function, the positioning hole is composed of a columnar guide section and a truncated cone-shaped limiting section which are sequentially arranged from top to bottom; the outer wall of the inner hexagonal thread sleeve positioned at the lower end of the first connecting ring is matched with the positioning hole in shape.
In the above-mentioned stock machine extrusion filter assembly with crushing function in advance, the connection can be dismantled in the filter upper end to the installation baffle.
In the juice machine extrusion filter assembly with pre-crushing function, the edge of the installation clapboard is integrally formed with a second connecting ring, a plurality of elastic buckles are distributed on the outer side wall of the second connecting ring at intervals along the circumferential direction, and buckling seats corresponding to the elastic buckles one by one are distributed on the inner wall of an opening part at the upper end of the filter.
In the above-mentioned stock machine extrusion filter assembly with crushing function in advance, linkage structure is provided with the internal thread hole including setting up the polygon connector in screw rod pivot upper end along the axial at polygon connector upper end.
The connecting sleeve which is cylindrical and is matched with the polygonal connecting head is integrally formed on the lower end face of the pre-crushing cutter, the counter bore is formed and installed on the upper end of the pre-crushing cutter, the abdicating hole for communicating the connecting sleeve is formed in the bottom of the installing counter bore, the fastening screw penetrates through the abdicating hole and is in threaded connection with the internal thread hole, and the sealing protective plug is arranged at the opening part of the installing counter bore.
In the juice machine extrusion filtering component with the pre-crushing function, the filter is of an integrally formed integral structure, a plurality of filtering holes are distributed on the side wall of the filter along the circumferential direction, each filtering hole consists of a filtering part and a chamfering part which are sequentially arranged from inside to outside, and the thickness of the filtering part is 0.4-0.6 time of the thickness of the side wall of the corresponding filter; the cross section of the filtering part along the axial direction is square, the cross section along the radial direction is oval, the long side of the oval is 0.8-1.4mm, and the short side of the oval is 0.6-1.2 mm; the section of the chamfer part along the radial direction is oval, the long side of the oval is 1.1-1.7mm, and the short side of the oval is 0.9-1.5 mm.
In the juice machine extrusion filter assembly with the pre-crushing function, a plurality of annular reinforcing ribs are distributed on the outer wall of the filter at intervals along the axial direction.
After the structure is adopted, the mounting partition plate is arranged at the upper end of the filter and used for mounting the pre-crushing cutter, so that the structure is more compact and the assembly is convenient, and the pre-crushed fruits and vegetables enter a slow grinding area formed by the screw and the filter through the blanking port. The pre-crushing cutter, the mounting partition plate and the filter are assembled into a whole, so that the connection stability of the screw and the pre-crushing cutter can be improved, and the assembly convenience of the extrusion filtering component can be improved.
Drawings
The invention will be further described in detail with reference to examples of embodiments shown in the drawings to which, however, the invention is not restricted.
FIG. 1 is a schematic structural view of embodiment 1 of the present invention;
FIG. 2 is a schematic sectional view showing the structure of example 1 of the present invention;
FIG. 3 is an enlarged partial schematic view at A in FIG. 2;
FIG. 4 is an enlarged partial schematic view at B of FIG. 2;
FIG. 5 is an exploded view schematically showing embodiment 1 of the present invention;
FIG. 6 is a schematic structural view of embodiment 2 of the present invention;
fig. 7 is an exploded view of embodiment 2 of the present invention.
In the figure: 1. a filter; 1a, a buckle seat; 1b, filtering holes; 1c, a filter part; 1d, a chamfer part; 2. a screw; 2a, an outer hexagonal connector; 3. installing a partition plate; 3a, a blanking port; 3b, a second connecting ring; 3c, elastic buckle; 4. pre-crushing cutters; 4a, connecting sleeves; 4b, sealing the protective plug; 5. a linkage structure; 5a, polygonal positioning holes; 5b, plugging the cap; 5c, positioning holes; 5d, inner hexagonal thread sleeves; 5e, a first connecting ring; 5f, a guide section; 5g, a limiting section; 5h, a polygonal connector; 6. extruding the crushing gap; 7. a connecting seat; 7a, connecting grooves; 8. an annular reinforcing rib; 9. a connecting lug; 10. a retaining ring.
Detailed Description
Example 1
Referring to fig. 1 to 5, the squeezing and filtering assembly of a juicer with pre-crushing function of the present invention includes a filter 1, wherein a plurality of squeezing ribs are uniformly distributed on an inner wall of the filter along a circumferential direction at intervals and are axially disposed, which is the prior art and will not be described herein again. The filter 1 is of an integrally formed integral structure, a plurality of filter holes 1b are distributed on the side wall of the filter 1 along the circumferential direction, each filter hole 1b is composed of a filter part 1c and a chamfer part 1d which are sequentially arranged from inside to outside, and the thickness of the filter part 1c is 0.4-0.6 time of the thickness of the side wall of the corresponding filter 1; the section of the filter part 1c along the axial direction is square, the section along the radial direction is oval, the long side of the oval is 0.8-1.4mm, and the short side is 0.6-1.2 mm; the section of the chamfered part 1d in the radial direction is elliptical, the long side of the ellipse is 1.1-1.7mm, and the short side is 0.9-1.5 mm. Through repeated tests, the juice yield and the content of fruit and vegetable residues in the fruit and vegetable juice can be maintained in a more ideal state within the parameter range. When drinking, the granules will not bring discomfort. Meanwhile, the size of the chamfered part is beneficial to cleaning, and in the parameter range, residual fruit and vegetable residues in the filtering part are less and can be easily cleaned.
Preferably, a plurality of annular reinforcing ribs 8 are distributed on the outer wall of the filter 1 at intervals along the axial direction. The annular reinforcing rib can improve the strength of the filter, and avoids the deformation influence on the juicing effect when the harder fruits and vegetables are juiced.
A screw rod 2 is rotatably arranged in the filter 1, an opening part at the upper end of the filter 1 is provided with an installation partition plate 3, the edge of the installation partition plate 3 is provided with a blanking port 3a, the upper surface of the installation partition plate 3 is rotatably connected with a pre-crushing cutter 4, and the pre-crushing cutter 4 is connected and linked with the screw rod 2 through a linkage structure 5; after being cut up by the pre-crushing cutter 4, large particles or whole fruits and vegetables enter the extrusion crushing gap 6 formed by the screw 2 and the filter 1 from the blanking port 3 a.
A plurality of connecting lugs 9 are uniformly distributed at the edge of the mounting baffle plate at intervals along the circumferential direction, a positioning ring 10 is arranged at the bottom of the screw rod, and the integral upper and lower fixation of the filter can be realized through the matching of the connecting lugs and the positioning ring and an external juice collecting cup.
In this embodiment, the inner cavity of the filter 1 is in a circular truncated cone shape with a small top and a large bottom, and an included angle between a generatrix of the circular truncated cone shape of the inner cavity of the filter 1 and a horizontal plane is 86-88.5 °. With this arrangement, the screw can be inserted from the bottom of the filter. Reasonable included angle parameters ensure assembly, and meanwhile, the feeding speed is not reduced due to the fact that the size of the upper end is too small, and the juice discharging efficiency is influenced.
The mounting partition plate 3 is integrally formed in an upper end opening portion of the filter 1. Adopt an organic whole structure, reducible assembly process, the installation of being convenient for. Simultaneously, can improve the stability of installation baffle, and then promote the stability of broken cutter during operation in advance, improve crushing effect.
Preferably, the linkage structure 5 includes a polygonal positioning hole 5a formed in the center of the mounting partition plate 3, a plug cap 5b is sleeved in the polygonal positioning hole 5a, a positioning hole 5c with a circular transverse section is formed in the center of the plug cap 5b along the central axis of the screw rod 2, an inner hexagonal screw sleeve 5d is rotatably connected in the positioning hole 5c, and a first connecting ring 5e with a polygonal outer wall is integrally formed at the upper end of the inner hexagonal screw sleeve 5 d.
A connecting seat 7 with an inner screw thread is fixedly arranged at the center of the bottom of the pre-crushing cutter 4, a connecting groove 7a matched with the first connecting ring 5e is formed on the outer end surface of the connecting seat 7, and a fastening screw penetrates through an inner hole of an inner hexagonal thread sleeve 5d to be fixedly connected with the connecting seat 7 in a threaded mode.
The upper end of the central rotating shaft of the screw rod 2 is provided with an outer hexagonal connector 2a matched with the inner hexagonal thread sleeve 5d, and the screw rod 2 drives the pre-crushing cutter 4 to be linked through the matching of the outer hexagonal connector 2a and the inner hexagonal thread sleeve 5 d.
Further preferably, the positioning hole 5c is composed of a columnar guide section 5f and a truncated cone-shaped limiting section 5g which are sequentially arranged from top to bottom; the outer wall of the hexagon socket 5d at the lower end of the first connecting ring 5e is matched with the positioning hole 5c in shape. The limiting section can effectively prevent the screw from jumping upwards in the juicing process, and the stability of juicing is ensured. The guide section can prevent the upper end of the screw rod from swinging radially, and the juicing is stable.
When in use, the extrusion filtering component is assembled in the juice collecting cup and then connected with the corresponding driving base and the corresponding bin as same as the prior art.
Example 2
Referring to fig. 6 and 7, the squeezing and filtering assembly of a juicer having a pre-crushing function according to the present invention has substantially the same structure as that of embodiment 1, except that the mounting partition 3 is detachably attached to the upper end of the filter 1.
Preferably, the edge of the installation partition plate 3 is integrally formed with a second connection ring 3b, a plurality of elastic buckles 3c are circumferentially distributed on the outer side wall of the second connection ring 3b at intervals, and buckle seats 1a corresponding to the elastic buckles 3c one by one are distributed on the inner wall of the opening part at the upper end of the filter 1. When the screw rod is rotated, the elastic buckle is just abutted to the limiting part of the buckle seat, so that the phenomenon that the installation partition plate is loosened when the machine works is avoided, and the juicing stability is ensured.
Preferably, the linkage structure 5 comprises a polygonal connector 5h arranged at the upper end of the rotating shaft of the screw rod 2, and an internal thread hole is axially arranged at the upper end of the polygonal connector 5 h.
The connecting sleeve 4a which is cylindrical and is matched with the polygonal connecting head 5h is integrally formed on the lower end face of the pre-crushing cutter 4, the counter bore is formed and installed at the upper end of the pre-crushing cutter 4, the stepping hole for conducting the connecting sleeve 4a is formed in the bottom of the installing counter bore, the fastening screw penetrates through the stepping hole and is in threaded connection with the internal thread hole, and the sealing protection plug 4b is arranged at the opening part of the installing counter bore.
The extrusion filtering component adopting the structure is convenient to disassemble and assemble and carry. The using method is the same as that of the extrusion filtering component in the prior juice machine.
The above-mentioned embodiments are only for convenience of description, and are not intended to limit the present invention in any way, and those skilled in the art will understand that the technical features of the present invention can be modified or changed by other equivalent embodiments without departing from the scope of the present invention.

Claims (10)

1.一种具有预破碎功能的原汁机挤压过滤组件,包括过滤器(1),在过滤器(1)内转动设置有螺杆(2),其特征在于,所述过滤器(1)上端开口部设有安装隔板(3),在安装隔板(3)边缘设置有落料口(3a),在安装隔板(3)上表面转动连接有预破碎切刀(4),预破碎切刀(4)通过联动结构(5)与螺杆(2)连接联动;大颗粒或整颗果蔬通过预破碎切刀(4)切碎后从落料口(3a)进入螺杆(2)和过滤器(1)形成的挤压破碎间隙(6)内。1. A juicer extrusion filter assembly with a pre-crushing function, comprising a filter (1), and a screw (2) is rotatably provided in the filter (1), wherein the filter (1) The upper opening is provided with an installation partition (3), a blanking port (3a) is arranged on the edge of the installation partition (3), and a pre-crushing cutter (4) is rotatably connected to the upper surface of the installation partition (3). The crushing cutter (4) is connected and linked with the screw (2) through the linkage structure (5); the large particles or whole fruits and vegetables are chopped by the pre-crushing cutter (4) and then enter the screw (2) and the in the crushing and crushing gap (6) formed by the filter (1). 2.根据权利要求1所述的一种具有预破碎功能的原汁机挤压过滤组件,其特征在于,所述过滤器(1)内腔呈上小下大的圆台状,所述安装隔板(3)一体成型在过滤器(1)上端开口部。2. A juicer extrusion filter assembly with pre-crushing function according to claim 1, wherein the inner cavity of the filter (1) is in the shape of a truncated cone with a small upper part and a large lower part, and the installation partition The plate (3) is integrally formed on the upper end opening of the filter (1). 3.根据权利要求2所述的一种具有预破碎功能的原汁机挤压过滤组件,其特征在于,所述过滤器(1)内腔所呈圆台形状的母线与水平面的夹角为86-88.5°。3. A juicer extrusion filter assembly with pre-crushing function according to claim 2, characterized in that the angle between the busbar in the shape of a truncated cone and the horizontal plane in the inner cavity of the filter (1) is 86°C. -88.5°. 4.根据权利要求2所述的一种具有预破碎功能的原汁机挤压过滤组件,其特征在于,所述联动结构(5)包括设置在安装隔板(3)中心的多边形定位孔(5a),在多边形定位孔(5a)内套设有塞帽(5b),所述塞帽(5b)中心沿螺杆(2)中轴线设置有横向截面为圆形的定位孔(5c),在定位孔(5c)内转动连接有内六角螺套(5d),在内六角螺套(5d)上端一体成型有外壁呈多边形的第一连接环(5e);4. A juicer extrusion filter assembly with pre-crushing function according to claim 2, wherein the linkage structure (5) comprises a polygonal positioning hole ( 5a), a plug cap (5b) is sleeved in the polygonal positioning hole (5a), and the center of the plug cap (5b) is provided with a positioning hole (5c) with a circular cross-section along the central axis of the screw (2). A hexagonal inner threaded sleeve (5d) is rotatably connected in the positioning hole (5c), and an upper end of the inner hexagonal threaded sleeve (5d) is integrally formed with a first connecting ring (5e) with a polygonal outer wall; 在预破碎切刀(4)底部中心固定设置有具有内螺牙的连接座(7),在连接座(7)外端面成形有与第一连接环(5e)相配合的连接凹槽(7a),紧固螺丝穿过内六角螺套(5d)内孔与连接座(7)螺纹连接固定;A connecting seat (7) with internal threads is fixed at the bottom center of the pre-crushing cutter (4), and a connecting groove (7a) is formed on the outer end surface of the connecting seat (7) to match with the first connecting ring (5e). ), the tightening screw passes through the inner hole of the inner hexagon socket (5d) and is threadedly connected to the connecting seat (7); 螺杆(2)中心转轴上端设置有与内六角螺套(5d)相配合的外六角连接头(2a),螺杆(2)通过外六角连接头(2a)和内六角螺套(5d)配合带动预破碎切刀(4)联动。The upper end of the central rotating shaft of the screw rod (2) is provided with an outer hexagonal connection head (2a) matched with the inner hexagonal screw sleeve (5d). The pre-crushing cutter (4) is linked. 5.根据权利要求4所述的一种具有预破碎功能的原汁机挤压过滤组件,其特征在于,所述定位孔(5c)由由上至下依序设置的呈柱状的导向段(5f)和呈圆台形的限位段(5g)构成;位于第一连接环(5e)下端的内六角螺套(5d)外壁形状与定位孔(5c)形状相适应。5. A juicer squeeze filter assembly with a pre-crushing function according to claim 4, wherein the positioning holes (5c) are formed from columnar guide sections (5c) arranged in sequence from top to bottom. 5f) and a truncated confining section (5g); the shape of the outer wall of the inner hexagon socket (5d) located at the lower end of the first connecting ring (5e) is adapted to the shape of the positioning hole (5c). 6.根据权利要求1所述的一种具有预破碎功能的原汁机挤压过滤组件,其特征在于,所述安装隔板(3)可拆卸连接在过滤器(1)上端。6 . The squeeze filter assembly for a juicer with a pre-crushing function according to claim 1 , wherein the installation partition ( 3 ) is detachably connected to the upper end of the filter ( 1 ). 7 . 7.根据权利要求6所述的一种具有预破碎功能的原汁机挤压过滤组件,其特征在于,所述安装隔板(3)边缘一体成型有第二连接环(3b),在第二连接环(3b)外侧壁上沿周向间隔分布有若干弹性卡扣(3c),在过滤器(1)上端开口部内壁上分布有与各弹性卡扣(3c)一一对应的扣座(1a)。7. A juicer extrusion filter assembly with a pre-crushing function according to claim 6, wherein a second connecting ring (3b) is integrally formed on the edge of the installation partition (3), and the A plurality of elastic buckles (3c) are distributed on the outer side walls of the two connecting rings (3b) at intervals along the circumferential direction, and buckle seats corresponding to the elastic buckles (3c) are distributed on the inner wall of the opening at the upper end of the filter (1). (1a). 8.根据权利要求6所述的一种具有预破碎功能的原汁机挤压过滤组件,其特征在于,所述联动结构(5)包括设置在螺杆(2)转轴上端的多边形连接头(5h),在多边形连接头(5h)上端沿轴向设置有内螺纹孔;8. A juicer extrusion filter assembly with a pre-crushing function according to claim 6, wherein the linkage structure (5) comprises a polygonal connector (5h) arranged on the upper end of the rotating shaft of the screw (2). ), and the upper end of the polygonal connector (5h) is provided with an inner threaded hole in the axial direction; 在预破碎切刀(4)下端面一体成型有呈圆柱形且与多边形连接头(5h)相配合的连接套(4a),在预破碎切刀(4)上端成形有与安装沉孔,安装沉孔内底部设置有导通连接套(4a)的让位孔,紧固螺丝穿过让位孔与内螺纹孔螺纹连接,在安装沉孔开口部设置有密封防护塞(4b)。A cylindrical connecting sleeve (4a) is integrally formed on the lower end face of the pre-crushing cutter (4) and matched with the polygonal connector (5h). The inner bottom of the counterbore is provided with an escape hole for conducting the connection sleeve (4a), the fastening screw is threaded through the escape hole and connected with the inner threaded hole, and a sealing protection plug (4b) is provided at the opening of the installation counterbore. 9.根据权利要求1所述的一种具有预破碎功能的原汁机挤压过滤组件,其特征在于,所述过滤器(1)为一体成型的整体结构,在过滤器(1)侧壁沿周向分布有若干过滤孔(1b),各过滤孔(1b)由由内至外依序排列的过滤部(1c)和倒角部(1d)构成,所述过滤部(1c)的厚度为对应过滤器(1)侧壁厚度的0.4-0.6倍;过滤部(1c)沿轴向的剖面呈方形,沿径向的剖面呈椭圆形且该椭圆形的长边为0.8-1.4mm,短边为0.6-1.2mm;所述倒角部(1d)沿径向的剖面呈椭圆形且该椭圆形的长边为1.1-1.7mm,短边为0.9-1.5mm。9. A juicer extrusion filter assembly with pre-crushing function according to claim 1, characterized in that the filter (1) is an integrally formed integral structure, and the filter (1) is in a side wall of the filter (1). A number of filter holes (1b) are distributed along the circumferential direction, and each filter hole (1b) consists of a filter portion (1c) and a chamfered portion (1d) arranged in sequence from the inside to the outside. The thickness of the filter portion (1c) It is 0.4-0.6 times the thickness of the side wall of the corresponding filter (1); the section of the filter part (1c) along the axial direction is square, the section along the radial direction is oval, and the long side of the ellipse is 0.8-1.4mm, The short side is 0.6-1.2mm; the cross section of the chamfered portion (1d) along the radial direction is oval, the long side of the ellipse is 1.1-1.7mm, and the short side is 0.9-1.5mm. 10.根据权利要求9所述的一种具有预破碎功能的原汁机挤压过滤组件,其特征在于,所述过滤器(1)外壁沿轴向间隔分布有若干道环形加强筋(8)。10. A juicer extrusion filter assembly with pre-crushing function according to claim 9, characterized in that, a plurality of annular reinforcing ribs (8) are distributed on the outer wall of the filter (1) at intervals along the axial direction .
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