Squeezing type normal juice machine with reliable structure

Abstract

The utility model provides an extrusion type normal juice machine with a reliable structure, which comprises a main machine internally provided with a motor, a juice collecting cavity arranged on the main machine, an extrusion assembly detachably arranged in the juice collecting cavity and a feeding cover covering the juice collecting cavity, the juice squeezing barrel comprises a barrel body, squeezing columns and squeezing pieces, the barrel body is annular and sleeves the screw rod, the squeezing columns are formed by extending downwards along the lower end of the barrel body, the squeezing columns are arranged at intervals in the circumferential direction, a mounting groove is formed between every two adjacent squeezing columns, and the squeezing pieces are arranged in the mounting grooves respectively; and the extrusion sheet can rotate along the axial direction and is overlapped with or separated from the extrusion column. The rotatable squeezing piece is arranged to be matched with the squeezing column to form a juice outlet structure, and the reliable juice outlet structure can be still kept when the juice outlet structure is squeezed; the squeezing sheet is rotationally arranged, so that the juice squeezing cylinder is convenient to clean; the structural strength of the juice squeezing cylinder is improved through the squeezing column, and the reliable structure of the juice squeezing cylinder is guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of food processing, in particular to an extrusion type juicer which realizes juice extraction by screw extrusion. Background Art

[0002] The existing slow-speed extrusion juicer uses screw extrusion to separate the juice and pomace of the food. Usually, the screw is set at a lower processing speed to avoid oxidation of the juice, thereby improving the processed taste of the juice. The structure of the existing juicer to separate the juice from the pomace is usually a filter or filter grid. The filter structure is easily blocked by pomace during juice extraction, affecting the normal juice extraction. The juice extraction efficiency is low and affects the juice extraction rate of the food. The technical solution using the filter structure is gradually weakened and eliminated.

[0003] There are usually two solutions for existing juicers that use a screw and filter bars to achieve filtration. One is to directly set a bar structure on the juice squeezing barrel, forming a filtering gap between the bars, and the juice outlet gap will produce adaptive changes when squeezed to achieve different juice outlet requirements. The other solution uses a detachable bar structure, for example, it is set as two bars that are inserted into each other, and each bar assembly is provided with interval bars. After the bars are inserted, a juice outlet channel is formed between adjacent bars. This structure only needs to disassemble the two bar structures for cleaning, and the larger bar gap can be used for cleaning.

[0004] However, the existing bar structure still has the following technical problems: when the bar structure is squeezed by the screw, especially when processing hard ingredients such as carrots, the screw will exert a very large squeezing force on the bars. On the one hand, such squeezing force will cause the bars to deform and form juice gaps between the bars, but at the same time, such squeezing force will also cause the bars to deform excessively, thereby making it impossible for the bars to return to the preset position and affecting the recovery of the juice gaps, and also making the filtering function of the bars invalid, affecting the purity of the juice. If the corresponding limiting structure is added to ensure the strength of the bars, although the bars are not easily squeezed and deformed, the juice gaps between the bars will not be able to meet the adaptive deformation of different ingredients, and the bars will lose the function of adaptive adjustment and filtration. The main reason for this is that the juice gaps composed of the bars rely on the squeezing deformation of the screw and prevent excessive deformation during squeezing. Even if excessive deformation does not occur at a single time, material fatigue will occur after long-term use, resulting in excessive deformation. In other words, for the existing bar structure, it is impossible to completely avoid such technical problems. Utility Model Content

[0005] The utility model aims to provide an extrusion type juice machine which changes the existing juice outlet structure, has stable juice outlet and reliable structure.

[0006] The utility model provides an extruding juicer with reliable structure, comprising a main unit with a motor, a juice collecting chamber arranged on the main unit, a detachable extruding assembly arranged in the juice collecting chamber, and a feeding cover covering the juice collecting chamber, wherein the extruding assembly comprises a screw and a juice squeezing barrel sleeved outside the screw, wherein the juice squeezing barrel comprises a barrel body, an extruding column and an extruding sheet, the barrel body is annular and sleeved outside the screw, the extruding column is formed by extending downward along the lower end of the barrel body, the extruding columns are arranged in plurality and are arranged at intervals along the circumferential direction, a mounting groove is formed between two adjacent extruding columns, the extruding sheets are arranged in plurality and are respectively arranged in the mounting grooves, and the extruding sheets can rotate along the axial direction and overlap, fit or separate from the extruding columns. The juice squeezing barrel includes a barrel, an extrusion column and an extrusion sheet, wherein the barrel is arranged on the upstream side of the screw feed, and the juice outlet structure formed by the extrusion column and the extrusion sheet is arranged on the downstream side of the screw feed. Preferably, when the screw and the juice squeezing barrel are arranged vertically, the barrel is arranged on the upper side, and the juice outlet structure formed by the extrusion column and the extrusion sheet is sleeved on the lower side of the screw. The extrusion column is formed integrally with the barrel and extended downward to improve the strength of the extrusion column. The extrusion columns are arranged at intervals to form a mounting groove for installing the extrusion sheet. The extrusion sheet is rotatably arranged in the mounting groove. In this way, when the juicer is working, the screw squeezes the food and further pushes the extrusion sheet to overlap and fit with the extrusion column through the food, and a juice outlet channel is formed between the extrusion sheet and the extrusion sheet. The extrusion column is arranged integrally with the structure to have high strength and can withstand the extrusion force of the screw, ensuring that the juice outlet structure formed by the extrusion column and the extrusion sheet always maintains a suitable juice outlet position, ensuring stable and reliable juice outlet. It should be noted that the overlapping fitting here means that the extrusion column and the extrusion sheet have overlapping parts in the radial direction, for example, at least part of the extrusion sheet is located on the inner side of the extrusion column, so that when squeezed by the screw, the extrusion sheet rotates outward and fits with the extrusion column to form a juice outlet channel at the fitting position.

[0007] Preferably, the extrusion sheet overlaps and fits with the extrusion columns on both sides of the installation groove, and forms a juice outlet channel at the fitting point. The extrusion sheet is arranged to overlap and fit with the extrusion columns on both sides of the installation groove, and a single extrusion sheet can form juice outlet channels on both sides, thereby improving the juice outlet efficiency of the juice outlet channels. At the same time, the extrusion sheet can be rotatably arranged to form juice outlet channels on both sides at the same time. When the extrusion sheet portion located on the inner side is squeezed, the extrusion sheet portion located on the outer side will share the extrusion force of the extrusion sheet, thereby avoiding extrusion deformation when the extrusion sheet is subjected to force on one side, and making the structure of the extrusion sheet more stable and reliable.

[0008] Preferably, the juice squeezer also includes a fixing ring located at the lower end of the squeezing column and the squeezing sheet, the squeezing column is fixedly connected to the fixing ring, and the lower end of the squeezing sheet is rotatably connected to the fixing ring. A fixing ring is further provided, and the squeezing column and the bottom of the squeezing sheet are fixedly connected by the fixing ring, and the suspended ends of the squeezing column and the squeezing sheet are fixed at the same time, so as to avoid the squeezing column and the squeezing sheet being squeezed by the screw when the ends are suspended and deformed, thereby improving the overall strength of the juice squeezer and ensuring that the structure of the juice squeezer is stable and reliable.

[0009] Preferably, a fixing groove and a boss that cooperate with each other are provided between the squeezing column and the fixing ring. The fixing groove and the boss are directly provided between the squeezing column and the fixing ring, and the squeezing column can be positioned by simply inserting the corresponding boss into the corresponding fixing groove. The structure is simple, and the fixing groove and the boss can also share the squeezing force on the squeezing column, further improving the structural reliability of the juice squeezing cylinder.

[0010] Preferably, a rotating shaft and an axial hole that cooperate with each other are provided between the lower end of the extrusion sheet and the fixed ring. The rotating shaft and the axial hole are provided between the lower end of the extrusion sheet and the fixed ring to ensure that the extrusion sheet can rotate axially relative to the fixed ring, so that different positions can be used for juice discharge and cleaning respectively. At the same time, the extrusion sheet can be directly clamped between the barrel and the fixed ring, and the rotating installation is realized by relying on the cooperation of the rotating shaft and the axial hole, and the structure is simple, stable and reliable.

[0011] Preferably, the extrusion sheet includes a body and a fitting part, and the two ends of the body are provided with a rotating shaft extending outwards of the two ends, and the cylinder and the fixing ring are provided with corresponding shaft holes. The fitting part is provided, and the fitting part is used to fit with the adjacent extrusion column to form a juice outlet channel. The fitting part can be provided with a simple structure, and the fitting part can be further provided with a structure for juice outlet, which is more functional; the body is provided, and the rotating shaft is directly formed at the two ends of the body to cooperate with the cylinder and the fixing ring in a positioning manner, that is, the function of rotating fitting and juice outlet is realized, and the structural strength of the extrusion sheet can also be improved, and the structural setting is simple and convenient.

[0012] Preferably, the bottom of the juice collecting chamber is provided with an annular positioning rib, and the bottom of the juice squeezing barrel is inserted into the positioning rib to be fixedly matched with the juice collecting chamber. The bottom wall of the juice collecting chamber is directly used to form an annular positioning rib, and the bottom of the juice squeezing barrel is directly inserted into the positioning rib to achieve matching with the juice collecting chamber. When squeezing is required, the upper end of the squeezing sheet is fixedly connected to the barrel body, and the lower end is limited by the positioning rib, which can effectively prevent the squeezing sheet from being over-squeezed when the lower end is suspended in the air; and when cleaning is required, the lower end of the squeezing sheet is suspended in the air, which is convenient for the user to directly move the squeezing sheet for cleaning, making it more convenient to use.

[0013] Preferably, a limiting groove and a limiting protrusion that cooperate with each other are provided between the bottom end of the juice squeezing barrel and the bottom of the juice collecting chamber. The limiting groove and the limiting protrusion are provided between the bottom wall of the juice collecting chamber and the fixing ring, so that the juice squeezing barrel can be more reliably installed on the bottom wall of the juice collecting chamber, and the juice squeezing barrel can be directly installed in place when it is installed on the bottom wall of the juice collecting chamber from top to bottom. At the same time, the limiting groove and the limiting protrusion that cooperate with each other can also limit the juicing barrel in the circumferential direction, effectively preventing the juicing barrel from rotating when subjected to the extrusion force of the screw, and ensuring efficient juice discharge of the juicing barrel.

[0014] Preferably, the extrusion sheet and the inner side wall of the extrusion column are arc surfaces with the same radius, and when the extrusion sheet is in the fitting position, the extrusion sheet and the inner side wall of the extrusion column are located in the same circumference. The inner side wall formed by the extrusion sheet and the extrusion column on the inner wall of the juice squeezing barrel is located on the same circumference, so that the extrusion can be better fitted with the screw and the extrusion gap between the screw and the juice squeezing barrel can be ensured, ensuring more complete extrusion. Of course, being located on the same circumference here means being on the same circumference within an acceptable tolerance range, and is not limited to being completely on the theoretical standard circumference.

[0015] Preferably, the inner wall of the extrusion column and the extrusion sheet is provided with an extrusion rib, the extrusion rib protrudes toward the center of the juice barrel, and the extrusion rib extends along the axial direction of the juice barrel; or the inner wall of the extrusion column and the extrusion sheet is provided with an extrusion rib, the extrusion rib protrudes toward the center of the juice barrel, and the extension direction of the extrusion rib is the same as the thread direction of the screw; or the inner wall of the extrusion column and the extrusion sheet is provided with an extrusion rib, the extrusion rib protrudes toward the center of the juice barrel, and the extension direction of the extrusion rib is opposite to the thread direction of the screw. The extrusion ribs are arranged on the inner wall of the extrusion column and the extrusion sheet. On the one hand, the extrusion ribs are used to reduce the gap between the juice barrel and the screw, so that the screw grinds and crushes the food more thoroughly; on the other hand, the extrusion ribs realize the cutting function, which also makes the cutting and crushing of the food more thorough, so that the juicer has a higher juice yield. Since the extrusion sheet can be produced separately and then assembled with the barrel to form a juicer, the inner wall of the extrusion sheet can be conveniently provided with extrusion ribs of different angles and directions. According to different food processing requirements, it can be arranged to be along the axial direction of the juicer, in the same direction as the thread direction of the screw, or opposite to the thread direction of the screw, such as perpendicularly intersecting, to improve the coordination between the juicer and the screw, thereby improving the crushing efficiency of the extrusion assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic structural diagram of the first embodiment of the squeeze juicer of the utility model.

[0017] Figure 2 This is a schematic diagram of the structural decomposition of the first embodiment of the squeeze juicer of the utility model.

[0018] Figure 3 This is a schematic diagram of the structure of the juice squeezing cylinder of the first embodiment of the squeezing juicer described in the utility model.

[0019] Figure 4 This is a schematic diagram of the exploded structure of the juicer barrel of the first embodiment of the squeeze juicer described in the utility model.

[0020] Figure 5 This is a schematic diagram of the fixing ring structure of the first embodiment of the squeeze juicer of the utility model.

[0021] Figure 6 This is a schematic diagram of the structure of the extruding piece of the first embodiment of the extruding juicer of the utility model.

[0022] Figure 7 This is a schematic diagram of the second position structure of the extruding piece of the first embodiment of the extruding juicer described in the utility model.

[0023] Figure 8 This is a structural cross-sectional view of the first embodiment of the squeeze juicer of the utility model, in which the squeeze sheet is in a filtering state.

[0024] Fig. 9 This is a structural cross-sectional view of the first embodiment of the squeeze juicer of the utility model, in which the squeeze piece is in a clean state.

[0025] Fig.10 This is a schematic diagram of the structure of the extruding piece of the second embodiment of the extruding juicer described in the utility model.

[0026] The corresponding names in the figure are as follows:

[0027] 1. Feeding cover; 2. Juice collecting chamber; 21. Slag outlet; 22. Juice outlet; 23. Positioning ribs; 24. Juice discharge groove; 25. Limiting protrusion; 26. Center boss; 3. Screw; 31. Screw body; 32. Screw shaft; 33. Screw teeth; 4. Juice squeezing cylinder; 40. Auxiliary filtering hole; 41. Cylinder; 42. Squeezing sheet; 421. Main body; 4211. Support ribs; 4212. Outer juice groove; 422. Fitting part; 423. Squeezing ribs; 425. Filter ribs ; 426. Juice outlet groove; 43. Extrusion column; 430. Installation groove; 431. Fixed groove; 432. Placement part; 44. Fixed ring; 441. Limiting groove; 442. Boss; 4421. Fixed hole; 4422. Shaft hole sink; 443. Lower limiting platform; 45. Juice squeezing rib; 5. Juice outlet channel; 61. Rotating shaft; 62. Upper shaft hole; 63. Lower shaft hole; 7. Extrusion sheet; 71. Upper blocking rib; 72. Lower blocking rib; 73. Shaft hole; 74. Extrusion rib. DETAILED DESCRIPTION

[0028] In order to more clearly illustrate the overall concept of the present application, a detailed description is given below in an illustrative manner in conjunction with the accompanying drawings.

[0029] In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present application is not limited to the specific embodiments disclosed below.

[0030] In addition, in the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present invention. As for the positional relationships such as "upstream" and "downstream", they are based on the positional relationships when the fluid flows normally.

[0031] In addition, the terms "first", "second", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0032] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0033] In the present application, unless otherwise clearly specified and limited, a first feature "above" or "below" a second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0034] Embodiment 1.

[0035] As a first embodiment of the convenient-to-operate squeeze juicer described in the utility model, Figure 1-9 As shown, the juicer includes a main unit (not shown), a juice collecting chamber 2, an extrusion assembly and a feeding cover 1. The main unit is provided with a motor (not shown). The juice collecting chamber 2 is detachably arranged on the main unit. The extrusion assembly is provided in the juice collecting chamber, and the extrusion assembly includes a screw 3 and a juice squeezing barrel 4. The juice squeezing barrel 4 is sleeved on the outside of the screw 3. The feeding cover 1 covers the upper part of the juice collecting chamber 2 to close the upper opening of the juice collecting chamber 2. Food is put into the extrusion assembly through the opening of the feeding cover 1. The screw 3 is driven to rotate by the motor to squeeze, cut and grind the food between the screw 3 and the juice squeezing barrel 4 to fully crush the food. The juice collecting chamber 2 is provided with a slag outlet 21 and a juice outlet 22. The juice is filtered by the juice squeezing barrel 4 and then collected by the juice collecting chamber 2 and discharged through the juice outlet 22. At the same time, the pomace is also collected in the juice collecting chamber 2 and discharged from the slag outlet 21. The screw 3 includes a screw body 31 , a screw shaft 32 and threads 33 . Preferably, the screw shaft 32 is a metal piece and is integrally formed with the screw body 31 , and the threads 33 are arranged on the outer surface of the screw body 31 .

[0036] The bottom wall of the juice collecting chamber 2 is provided with an annular positioning rib 23, and the bottom end of the juice squeezing tube 4 is inserted into the positioning rib 23 so that the juice squeezing tube 4 and the juice collecting chamber 2 are fixedly matched at the bottom end. The center of the bottom wall of the juice collecting chamber 2 is also provided with a central boss 26, and the central boss 26 can extend into the bottom end of the screw 3. The positioning rib 23 and the central boss 26 divide the bottom wall of the juice collecting chamber 2 into a juice discharge part located outside the positioning rib 23 and a slag discharge part located inside the positioning rib 23, wherein the juice discharge part is connected to the juice outlet 22, and the slag discharge part is connected to the slag outlet 21. The side wall of the positioning rib 23 is also provided with a juice discharge groove 24, and the juice discharge groove 24 can discharge the juice flowing out along the side wall of the juice squeezing tube 4 to the juice discharge part. A limiting protrusion 25 is further provided on the inner side of the positioning rib 23 at the slag discharge portion. The limiting protrusion 25 cooperates with the juice squeezing cylinder 4 to limit the position of the juice squeezing cylinder 4 to prevent the juice squeezing cylinder 4 from rotating.

[0037] like Figure 3-7 As shown, the juice squeezing barrel 4 includes a barrel body 41, a squeezing column 43, a squeezing sheet 42 and a fixing ring 44. The barrel body 41 is annular and is sleeved on the outer portion of the upper end of the screw rod 3. The squeezing column 43 is arranged at the lower end of the barrel body 41 and extends downward along the axial direction of the juice squeezing barrel 4. The squeezing columns 43 are arranged in plurality and are evenly spaced along the circumference of the juice squeezing barrel 4. A mounting groove 430 is formed between two adjacent squeezing columns 43. The squeezing sheets 42 are the same in number as the mounting grooves 430 and are respectively arranged in the corresponding mounting grooves 430. The squeezing sheets 42 are rotatably arranged in the mounting grooves 430. The fixing ring 44 is arranged at the lower ends of the squeezing columns 43 and the squeezing sheets 42 to fix the squeezing columns 43 and the squeezing sheets 42.

[0038] Preferably, a rotation shaft 61 is provided at both ends of the extrusion sheet 42, an upper shaft hole 62 is provided at the upper end of the mounting groove 430 of the cylinder 41, and a lower shaft hole 63 is provided at the fixing ring 44. The rotation shaft 61 of the extrusion sheet 42 is respectively inserted into the upper shaft hole 62 and the lower shaft hole 63, so that the extrusion sheet 42 is clamped between the cylinder 41 and the fixing ring 44, and rotates along the rotation shaft 61. The extrusion sheet 42 is rotatably arranged at the lower end of the cylinder 41, and a plurality of the extrusion sheets 42 and the extrusion columns 43 are arranged circumferentially at the lower end of the cylinder 41. When the extrusion sheet 42 rotates and overlaps with the extrusion columns 43, as shown in FIG. Figure 8 As shown, the extrusion sheet 42 and the extrusion column 43 form a ring and are sleeved on the lower end of the screw 3, and a juice outlet channel 5 is formed between the extrusion sheet 42 and the extrusion column 43 to achieve the function of filtering juice. When the juice cylinder 4 needs to be cleaned, the user can move the extrusion sheet 42 to separate the extrusion sheet and the extrusion column 43. Fig. 9 As shown, the juice outlet channel 5 is opened, so that the pomace and the like remaining in the juice outlet channel 5 can be conveniently cleaned, thereby realizing convenient cleaning of the juice squeezing cylinder.

[0039] The extrusion sheet 42 includes a body 421 and a fitting portion 422. The rotation axis 61 is located at both ends of the body 421, so that the axis of the extrusion sheet 42 passes through the body 421. The fitting portion 422 is formed by the body 421 extending outward in the radial direction, that is, on the cross section of the extrusion sheet 42 perpendicular to the axis, the fitting portion 422 extends outward. When the extrusion sheet 42 and the extrusion column 43 are assembled in sequence, the fitting portion 422 is located on the inner side of the extrusion column 43. When the screw 3 is working, it pushes the material and further pushes the fitting portion 422 to rotate outward to overlap with the extrusion column 43 and form a juice outlet channel 5 between adjacent extrusion sheets.

[0040] Preferably, when the extrusion sheet 42 rotates so that the fitting portion 422 overlaps and fits with the adjacent extrusion column 43, the main body 421 and the adjacent extrusion column 43 on the other side are also in an overlapping and fitting state, so that the extrusion sheet 42 and the extrusion columns 43 on both sides of the mounting groove 430 form juice outlet channels, which can improve the juice outlet efficiency. The side wall of the main body 421 that fits with the adjacent extrusion column 43 is also provided with support ribs 4211, and an outgoing juice groove 4212 is formed between the support ribs 4211. The outgoing juice groove 4212 and the gap between the main body 421 and the extrusion column 43 together constitute the juice outlet channel 5. Of course, it can be understood that the extrusion sheet 42 can also fit with the cylinder without directly fitting with the extrusion column, but only overlap with the extrusion column and form a juice outlet channel at the overlap.

[0041] Preferably, the inner side wall of the fitting portion 422 is further provided with an extrusion rib 423, which is extended along the axial direction of the juice squeezing barrel 4 and protrudes toward the center of the juice squeezing barrel 4 to be extruded and matched with the screw 3 to improve the grinding efficiency between the screw 3 and the juice squeezing barrel 4. The outer side wall of the fitting portion 422 is further provided with a filter rib 425, and when the extrusion sheet 42 is fitted with the extrusion column 43, the filter rib 425 is fitted with the extrusion column 43, and a juice outlet groove 426 is formed between the filter ribs 425, and the gap between the filter ribs 425 and the juice outlet groove 426 together constitute the juice outlet channel 5. The filter rib 425 is used to form the juice outlet groove 426 and further form the juice outlet channel, which can increase the juice outlet area of ​​the juice outlet channel, thereby improving the juice outlet efficiency of the juice squeezing barrel. Since the extrusion sheet can rotate in the installation groove and fit with the adjacent extrusion column when the screw is extruded, even when the extrusion sheet is subjected to a large extrusion force, the suspended juice outlet groove part will also be deformed to reduce the gap of the juice outlet groove, thereby reducing the area of ​​the juice outlet channel to improve the taste of the juice. This is because, for different processed ingredients, for example, when processing soft ingredients such as watermelon, the juice yield of the ingredients is high, and the juice needs to be discharged quickly, so a larger juice outlet channel is required. Since the ingredients are soft, the extrusion force applied by the screw on the extrusion sheet through the ingredients is relatively small, and the area of ​​the juice outlet channel between the extrusion sheet and the extrusion column is increased, thereby ensuring the juice extraction efficiency and allowing the juice to be discharged quickly; while for hard ingredients such as carrots, the juice yield of the ingredients is low and contains more pomace fiber. The extrusion force applied by the screw on the extrusion sheet through the ingredients is relatively large, which can fully squeeze the extrusion sheet and the extrusion column into fit, and by reducing the area of ​​the juice outlet channel, the pomace is avoided from being discharged from the juice outlet channel, thereby ensuring the taste of the juice, and the relatively low juice yield of the ingredients can also meet the juice extraction speed requirements.

[0042] Preferably, the extrusion column 43 is formed by extending circumferentially on the transverse section of the juice squeezing barrel 4, and the inner side wall of the upstream end of the extrusion column 43 is provided with a seating portion 432, and the seating portion 432 is formed by being recessed outward along the inner side wall of the extrusion column 43, and the fitting portion 422 fits on the seating portion 432. The extrusion sheet 42 and the inner side wall of the extrusion column 43 are arc surfaces with the same radius, so that when the extrusion sheet 42 and the extrusion column 43 overlap and fit, the extrusion sheet 42 and the inner side wall of the extrusion column 43 are located on the same circumference. The same circumference here refers to the fact that the extrusion sheet 42 and the inner side wall of the extrusion column 43 have the same radius on the transverse section of the juice squeezing barrel, so that the extrusion sheet and the extrusion column can be in the same processing state when they are rotated and ground with the screw 3. It should be noted that the same circumference means that under ideal conditions, the two are located on the same circumference within an acceptable tolerance range. As Figure 8As shown, the upstream end defined here is the end that first contacts a specific point of the screw in the direction of screw rotation, and the end that contacts the characteristic point of the screw later is the downstream end.

[0043] Preferably, the lower end of the extrusion column 43 is provided with a fixing groove 431, and the fixing ring 44 is provided with a boss 442 corresponding thereto, and the fixing ring 44 is fixedly connected to the lower end of the extrusion column 43 through the boss 442 and the fixing groove 431. The boss 442 is also provided with a fixing hole 4421, and the fixing hole 4421 passes through the fixing ring 44, and a shaft hole sink 4422 is also provided on one side of the lower end surface of the fixing hole 4421. Preferably, the juice squeezer 4 is provided with a fixing member such as a screw at the fixing hole 4421, and the fixing ring 44 is fixed to the lower end of the extrusion column 43 by the screw, and the screw can be hidden in the shaft hole sink 4422. By providing the annular fixing ring 44, the lower end of the extrusion sheet 42 and the extrusion column 43 is limited, so as to avoid the extrusion sheet being easily deformed by excessive extrusion of the screw when the lower end is suspended, thereby improving the strength of the extrusion sheet and ensuring the normal operation of the juice squeezer. A limiting groove 441 is further provided at the lower end of the fixing ring 44 , and the limiting groove 441 cooperates with the limiting protrusion 25 on the bottom wall of the juice collecting chamber 2 to limit the position of the juice squeezing cylinder 4 .

[0044] Preferably, the juicer 4 further comprises a lower stop 443 disposed on the fixing ring 44, and when the extrusion sheet 42 rotates to the filtering position, the extrusion sheet 42 overlaps and fits with the adjacent extrusion column 43. When the extrusion sheet 42 is pushed and extruded by the screw, especially when processing hard food materials, the extrusion sheet is easily deformed due to excessive extrusion force. Although the extrusion column on the outside can withstand a certain extrusion force and maintain the gap of the juice outlet channel, when the extrusion sheet and the extrusion column are continuously extruded, they will deform outwards and increase the gap between the inner wall of the juicer and the screw, thereby reducing the grinding and crushing efficiency of the extrusion assembly. The lower stop is provided to block the extrusion sheet from rotating outwards and withstand the extrusion force of the extrusion sheet, so as to protect the extrusion sheet and the extrusion column, effectively ensure that the extrusion sheet and the extrusion column are always in a preset state, maintain the grinding and crushing efficiency of the extrusion assembly, and thus ensure the normal processing of the juicer. The extrusion sheet can be switched between the filtering position and the cleaning position by simply rotating the extrusion sheet. Therefore, the extrusion sheet usually only needs to be rotated within a certain angle, and does not have to be set to a full circle rotation state. The limiting structure is usually used to protect the extrusion sheet to prevent the extrusion sheet from being excessively squeezed. Therefore, the limiting structure is usually set at the edge or periphery of the rotation range of the extrusion sheet, that is, when the extrusion sheet is rotated to the filtering position, the limiting structure does not work or just fits. In this way, the limiting structure can fully protect the extrusion sheet.

[0045] By setting a squeeze column and a squeeze sheet, and using the squeeze column and the squeeze sheet to overlap each other to form a juice outlet channel structure, the juice outlet channel can always maintain a suitable juice outlet position and keep the juice outlet channel in a preset gap during juice outlet, thereby ensuring efficient juice outlet and purity of the juice. The squeeze column is used to limit the squeeze sheet, which can prevent the squeeze sheet from being subjected to excessive squeezing force when it is set alone, thereby ensuring that the overall structure of the juice squeezer is stable and reliable. At the same time, the squeeze sheet is set in the installation groove of the squeeze column, and the squeeze sheet can be easily moved to clean the juice squeezer, which is more convenient to use.

[0046] It can be understood that the fixing ring can also be fixedly connected to the extrusion column by welding or other methods.

[0047] It can be understood that the extrusion sheet and the inner side wall of the extrusion column are not on the same circumference, so that a height difference is formed between adjacent extrusion sheets and extrusion columns, thereby forming an extrusion cutting position that cooperates with the screw to improve the crushing efficiency.

[0048] It can be understood that the juice squeezing cylinder can be directly plugged into the bottom wall of the juice collecting chamber through the squeezing sheet without providing the fixing ring.

[0049] It can be understood that the extrusion sheet is provided with a through hole, the fixing ring is provided with a rotating shaft passing through the through hole, and the rotating shaft is further connected to the cylinder so that the extrusion sheet can be rotatably fixed on the cylinder. Alternatively, the fixing ring is a metal piece that is integrated with the rotation, the fixing ring is annular, and the rotation is fixed to the fixing ring, for example, fixed as a whole by welding, and the extrusion sheet is fixedly connected to the cylinder through the fixing ring and the rotation.

[0050] It can be understood that the squeezing column and the inner side wall of the squeezing sheet are both provided with squeezing ribs, the squeezing ribs protrude toward the center of the juice squeezing cylinder, and the axial extension direction of the squeezing ribs is the same as the setting direction of the screw thread. Alternatively, the axial extension direction of the squeezing ribs is opposite to the setting direction of the screw thread, for example, the squeezing ribs are perpendicular to the setting direction of the contacting threads.

[0051] Embodiment 2.

[0052] As a second embodiment of the convenient-to-operate squeeze juicer described in the utility model, Fig.10 As shown, compared with the first embodiment, the structure of the extruded sheet in this embodiment is different.

[0053] like Fig.10As shown, the extrusion sheet 7 is provided with an upper blocking rib 71 and a lower blocking rib 72 at both ends of the axial direction, and the upper blocking rib 71 and the lower blocking rib 72 protrude toward both ends along the axial direction of the extrusion sheet 7. The extrusion sheet 7 is mounted on the juice squeezing barrel 4, and the extrusion sheet 7 has a filtering position and a cleaning position on the juice squeezing barrel 4. In the filtering position, the extrusion sheet 7 overlaps and fits with the adjacent extrusion sheets to form a juice outlet channel for filtering. When the extrusion sheet 7 is over-extruded, the upper blocking rib 71 and the lower blocking rib 72 fit with the inner wall of the juice squeezing barrel 4 to prevent the extrusion sheet 7 from excessively rotating outward, so as to protect the extrusion sheet 7. When the squeezing sheet 7 is in the filtering position, the upper blocking rib 71 and the lower blocking rib 72 are in contact with the inner wall of the juice squeezing tube 4, or a certain gap is provided between the upper blocking rib 71 and the lower blocking rib 72 and the side wall of the juice squeezing tube 4. Only when the squeezing sheet is over-squeezed, the upper blocking rib and the lower blocking rib are in contact with the side wall of the juice squeezing tube to play a protective role.

[0054] Preferably, the inner side walls of the upper blocking ribs 71 and the lower blocking ribs 72 have the same shape as the inner side walls of the extrusion sheet 7, so that when the extrusion sheet 7 is rotated to the filtering position, the upper blocking ribs 71 and the lower blocking ribs 72 can play a normal filtering and squeezing role. Of course, the inner wall of the juice squeezing barrel 4 can also be provided with a groove or a sink for accommodating the upper blocking ribs and the lower blocking ribs, so that the inner wall of the juice squeezing barrel forms a complete wall surface.

[0055] The extrusion sheet 7 is provided with an axial hole 73, and the extrusion sheet 7 is installed on the juice squeezing barrel through the axial hole 73 to switch between the filtering position and the cleaning position. The extrusion sheet 7 is also provided with an extrusion rib 74 toward the center of the juice squeezing barrel, and the extrusion rib 74 is vertically extended and protrudes toward the center of the juice squeezing barrel. When the screw is in the extrusion operation, the extrusion rib can cooperate with the screw to improve the crushing efficiency.

[0056] It can be understood that the upper blocking rib and the lower blocking rib can also be set to have different gaps with the side wall of the juice squeezing barrel, for example, the gap of the upper blocking rib is smaller, while the gap of the lower blocking rib is larger. When the squeezing sheet is in the normal filtering position, the adjacent squeezing sheets fit together. When the excessive squeezing force applied to the squeezing sheet is small, the upper blocking rib fits with the inner wall of the juice squeezing barrel, while there is still a gap between the lower blocking rib and the inner wall. When the excessive squeezing force applied to the squeezing sheet is large, the lower blocking rib further fits with the inner wall of the juice squeezing barrel to withstand the excessive squeezing force at different stages, thereby forming different stages of protection for the squeezing sheet.

[0057] The above is only a preferred embodiment of the present invention and is not intended to limit the scope of implementation of the present invention. That is, all equivalent changes and modifications made according to the present invention are covered by the scope of the claims of the present invention and will not be listed one by one here.

Claims

1. A structurally reliable squeeze juicer, comprising a main unit with a motor, a juice collecting chamber disposed on the main unit, a detachable squeeze assembly disposed in the juice collecting chamber, and a feed cover covering the juice collecting chamber, wherein the squeeze assembly comprises a screw and a juice squeezing cylinder sleeved outside the screw, and characterized in that: The juice squeezing barrel comprises a barrel body, a squeezing column and a squeezing sheet. The barrel body is annular and is sleeved outside the screw. The squeezing column is formed by extending downward along the lower end of the barrel body. The squeezing columns are provided in plurality and are arranged at intervals along the circumferential direction. A mounting groove is formed between two adjacent squeezing columns. The squeezing sheets are provided in plurality and are respectively arranged in the mounting grooves. The squeezing sheets can rotate along the axial direction and overlap or separate from the squeezing columns.

2. According to claim 1, a structurally reliable squeeze juicer, characterized in that: The extrusion sheets overlap with the extrusion columns on both sides of the installation groove respectively and form juice outlet channels at the overlapping positions.

3. According to claim 1, a structurally reliable squeeze juicer, characterized in that: The juice squeezing cylinder further comprises a fixing ring located at the lower ends of the squeezing column and the squeezing sheet, the squeezing column is fixedly connected to the fixing ring, and the lower end of the squeezing sheet is rotatably connected to the fixing ring.

4. A structurally reliable squeeze juicer according to claim 3, characterized in that: A fixing groove and a boss which cooperate with each other are arranged between the extrusion column and the fixing ring.

5. According to claim 3, a structurally reliable squeeze juicer, characterized in that: A rotating shaft and an axis hole which cooperate with each other are arranged between the lower end of the extrusion sheet and the fixing ring.

6. A structurally reliable squeeze juicer according to claim 5, characterized in that: The extrusion sheet comprises a main body and a fitting portion. The two ends of the main body are provided with rotating shafts extending outwards of the two ends. The cylinder and the fixing ring are provided with corresponding shaft holes.

7. According to claim 1, a structurally reliable squeeze juicer, characterized in that: The bottom of the juice collecting chamber is provided with an annular positioning rib, and the bottom of the juice squeezing tube is inserted into the positioning rib and fixedly matched with the juice collecting chamber.

8. A structurally reliable squeeze juicer according to claim 7, characterized in that: A limiting groove and a limiting protrusion which cooperate with each other are also arranged between the bottom end of the juice squeezing cylinder and the bottom of the juice collecting chamber.

9. The structurally reliable squeeze juicer according to claim 1, characterized in that: The extrusion sheet and the inner side wall of the extrusion column are arc surfaces with the same radius. When the extrusion sheet is in the fitting position, the extrusion sheet and the inner side wall of the extrusion column are located in the same circumference.

10. The structurally reliable squeeze juicer according to claim 1, characterized in that: The inner side walls of the squeezing column and the squeezing sheet are provided with squeezing ribs, the squeezing ribs protrude toward the center of the juice squeezing cylinder, and the squeezing ribs extend along the axial direction of the juice squeezing cylinder; Or the inner side walls of the squeezing column and the squeezing sheet are provided with squeezing ribs, the squeezing ribs protrude toward the center of the juice squeezing cylinder, and the extending direction of the squeezing ribs is the same as the thread direction of the screw; Alternatively, the inner side walls of the squeezing column and the squeezing sheet are provided with squeezing ribs, which protrude toward the center of the juice squeezing cylinder, and the extending direction of the squeezing ribs is opposite to the thread direction of the screw.

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