CN110141102B

CN110141102B - Juice extractor

Info

Publication number: CN110141102B
Application number: CN201910407677.XA
Authority: CN
Inventors: 吴震宇
Original assignee: Qianyan Yan Intelligent Technology Ningbo Co ltd
Current assignee: Qianyan Yan Intelligent Technology Ningbo Co ltd
Priority date: 2019-05-16
Filing date: 2019-05-16
Publication date: 2024-07-05
Anticipated expiration: 2039-05-16
Also published as: CN110141102A

Abstract

The invention discloses a juicer which is used for solving the problems of inconvenient disassembly and assembly, complex manufacturing process, poor sealing performance, poor juicing taste and the like of the existing juicer. The juicer comprises a power assembly, a shell assembly, a clamping assembly and a screw assembly; the power assembly comprises a motor, a motor shell and a rotating shaft, and the motor drives the rotating shaft to rotate; the screw rod assembly is connected to the rotating shaft and is arranged in the shell assembly; the clamping assembly is used for connecting the shell assembly to the power assembly; the casing subassembly includes filter screen subassembly and filtration cover subassembly, the whole welding shaping of filter screen subassembly, filtration cover subassembly detachably fixed support is in on the filter screen subassembly, be provided with the juice separating tank on the filtration cover subassembly, can realize the secondary filtering of juice. The novel structure is adopted, the sealing performance is good, the manufacturing cost is low, and the juice squeezing taste is better.

Description

Juice extractor

Technical Field

The invention relates to the field of juicers, in particular to a horizontal double-screw juicer.

Background

The existing screw juicers are generally single-screw juicers, but the single-screw juicers are low in juicing efficiency and low in speed, and are difficult to meet the needs of fast-paced life of users.

Some double-screw juicers also appear on the market, but the existing juicers are generally noisy; juice is squeezed only through the occlusion of the threads of the two screws, however, the juice is not completely squeezed, and the efficiency is general; because of poor sealing performance, juicing is easy to enter a motor shell through a motor rotating shaft to corrode the motor and a reduction gearbox thereof; because the juice squeezing part and the machine body base part are inconvenient to detach, the juice squeezing machine is inconvenient to operate and clean by a user, and the maintenance of the juice squeezing machine is inconvenient and the maintenance cost is high.

Disclosure of Invention

In view of the problems existing in the prior art, the invention provides a novel juicer, so that the sealing performance of the juicer is improved, the manufacturing cost of the juicer is reduced, and the operation and maintenance of the juicer are convenient.

The invention provides a juicer, which comprises a power assembly, a shell assembly, a clamping assembly and a screw assembly, wherein the power assembly is connected with the shell assembly through a screw;

the power assembly comprises a motor, a motor shell and a rotating shaft, and the motor drives the rotating shaft to rotate;

the screw rod assembly is connected to the rotating shaft and is arranged in the shell assembly;

the clamping assembly is used for connecting the shell assembly to the power assembly;

the casing subassembly includes filter screen subassembly and filtration cover subassembly, the whole welding shaping of filter screen subassembly, filtration cover subassembly detachably fixed support is in on the filter screen subassembly, be provided with the juice separating tank on the filtration cover subassembly, can realize the secondary filtering of juice.

Optionally, the juice extractor comprises a base comprising two forward protruding front legs.

Optionally, the screw assembly is a double screw assembly, wherein two screws are respectively rotatably connected to the rotating shaft passing through the sealing connecting piece and the transmission shaft arranged on the sealing connecting piece, and the double screw assembly is arranged in the filter screen assembly.

Optionally, the filter screen assembly, the twin screw assembly and the filter cap assembly are made of food grade 304 or 316 stainless steel.

Optionally, the double-screw assembly comprises a crushing part and an extrusion part, wherein the crushing part is formed by mutually meshing a thread tooth cutter on the outer circumference of the screw, the extrusion part is arranged at the front end of the crushing part, the diameter of the extrusion part is obviously smaller than that of the crushing part, and a step is formed at the joint of the crushing part and the extrusion part; the extrusion part consists of a first thread part and a second thread part, wherein the second thread part is arranged at the front end of the first thread part, and the number of threads of the second thread part is larger than that of the first thread part.

Optionally, the inclination angle of the thread tooth cutter is 11-13 degrees; the first thread portion is formed of two threads, and the second thread portion is formed of four threads.

Optionally, the filter screen assembly comprises a crushing shell for accommodating the crushing part of the double screw assembly, an extrusion shell for accommodating the extrusion part of the double screw assembly and a flare part; and the crushing shell and the extrusion shell are both provided with a plurality of filter screens or one or a plurality of gaps are arranged at the lower part of the extrusion shell.

Optionally, the filter screen subassembly is formed by two filter screen cylinder welding, the lateral wall of two filter screen cylinder is mutually intersected and communicates with each other, the inside screw rod that is provided with of filter screen cylinder, the diameter of filter screen cylinder is slightly bigger than the diameter of screw rod, the filter screen cylinder with there is certain clearance between the screw rod.

Optionally, be provided with on the sealing connection spare and dab the safety switch, filter screen subassembly rear end be provided with sealing connection spare is connected connecting portion, be provided with the silica gel sealing pad in the connecting portion, be provided with on the silica gel sealing pad and touch dab the safety switch's arch.

Optionally, the filter cover component is sleeved on the filter screen component, the filter cover component comprises a filter cartridge and a filter residue separating plate, the middle part of the lower part of the filter cartridge is provided with the juice separating groove, and the filter residue separating plate is fixed at the front end of the filter cartridge.

The juicer of the invention can obtain the following technical effects:

(1) The adopted sealing connecting piece changes a common welding structure and adopts a detachable structure, so that the motor casing is convenient to detach and maintain by a user, and more space is provided for improving the sealing of the motor casing.

(2) The adopted tact safety switch enables the motor to be started when the shell component is connected and fixed on the sealing connecting piece, so that the electricity safety is improved, and the damage to the shell of the juice extractor is reduced.

(3) The clamping assembly is convenient to detach, facilitates the cleaning and other operations of the shell assembly, and is convenient to use, time-saving and labor-saving.

(4) The double screw assembly that adopts, through the crushing portion that increases, has improved the efficiency of broken fruit vegetables, and juice is more abundant, and the setting of second screw thread portion has strengthened the extrusion for forward extrusion and propelling movement are more smooth natural, have further promoted juice extraction efficiency, and the biggest extraction fruit vegetables juice, and are favorable to separating the filter residue.

(5) The adopted filter screen component improves the manufacturing efficiency due to integral welding and forming, reduces the cost, is beneficial to standardized operation, is more convenient to assemble, and is more smooth in deslagging and juice filtering.

(6) The filter cover component is adopted, wherein the filter residue separating plate is favorable for guiding the separation and the discharge of filter residues, and the filter juice separating tank realizes the secondary filtration of the filter juice and is favorable for the concentrated outflow of the filter juice.

Drawings

FIG. 1 is a perspective view of a horizontal twin-screw juicer of this invention;

FIG. 2 is an exploded view of the horizontal twin-screw juicer of this invention;

FIG. 3 is a perspective view of the power assembly of the present invention;

FIG. 4 is an exploded view of the power assembly of the present invention;

FIG. 5 is a perspective view of the snap-in assembly of the present invention;

FIG. 6 is an exploded view of the snap-in assembly of the present invention;

FIG. 7A is a perspective view of the screen assembly of the present invention;

FIG. 7B is a perspective view of another embodiment of a screen assembly of the present invention;

FIG. 8 is an exploded view of the screen assembly of the present invention

FIG. 9 is a perspective view of the twin screw assembly of the present invention;

Fig. 10 is a perspective view illustrating a state in which the juice extractor of the present invention is used.

In the figure: 100. a power assembly; 110. a motor housing; 111. a front foot; 120. sealing the connection member; 121. a disc; 122. a cylinder; 130. a rotating shaft; 140. a transmission shaft; 150. a silica gel sealing ring; 160. a screw silica gel sealing ring; 170. touching the safety switch; 180. fixing the shockproof piece; 190. a connecting piece;

200. a screen assembly; 210. a flare part; 220. crushing the shell; 221. crushing a shell filter screen; 230. extruding the housing; 231. extruding the shell filter screen; 232. extruding the shell notch; 240. an anti-falling part; 241. a housing part; 250. a connection part; 260. a silica gel sealing pad; 270. a fixing member; 280. a support; 290. a mounting member;

300. a clamping assembly; 310. a seal; 311. a spring accommodating portion; 312. a guard; 313. a screw; 320. a spring; 330. a first clamping piece; 340. a second clamping piece; 350. a connecting piece; 360. a control member;

400. a twin screw assembly; 410. a crushing section; 420. an extrusion part; 421. a first threaded portion; 422. a second threaded portion; 430. an optical axis;

500. A filter cap assembly; 510. a filter cartridge; 520. a filter residue separating plate; 530. a juice separating tank.

600. A juice filtering container; 610. a handle; 700. and (5) filtering the residue.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings.

The juicer comprises a power assembly 100, a shell assembly, a clamping assembly 300 and a double-screw assembly 400, wherein the power assembly comprises a motor, a motor shell 110, a sealing connecting piece 120, a tact safety switch 170, a rotating shaft 130 and a transmission shaft 140, the sealing connecting piece 120 is detachably connected with the motor shell 110, the motor drives the rotating shaft 130 to rotate, and the tact safety switch 170, the transmission shaft 140 and the rotating shaft 130 are arranged on the sealing connecting piece 120. The shell assembly comprises a filter screen assembly 200 and a filter cover assembly 500, wherein the filter screen assembly comprises a horn mouth 210 which is vertically arranged, and the filter cover assembly 500 is sleeved on the filter screen assembly. The engagement assembly 300 engages and connects the housing assembly to the sealing connector 120. The twin screw assembly 400, which is coupled to the driving shaft 140 and the rotation shaft 130 and is built in the screen assembly 200, includes a crushing part 410 and a pressing part 420.

Wherein the rotating shaft 130 is a driving shaft, and the driving shaft 140 may be a driving shaft or a fixed shaft or a driven shaft.

The materials of the screen assembly 200, twin screw assembly 400 and filter cap assembly 500 may be stainless steel for the food industry, such as food grade 304 or 316, which have good corrosion resistance.

In the following examples, the left direction in fig. 2 is the rear, and the right extending direction is the front, the front end.

Examples

As shown in fig. 1-4, aiming at the problem that the motor and the reduction gearbox thereof are easy to leak to the inside of the shell and corrode in juice, multiple sealing protection is provided for the motor in the embodiment, the motor is prevented from being corroded in juice, a specially designed solid plug-in is connected outside the motor shell, the sealing effect is improved, and a targeted sealing ring is also specially designed. In addition, the clamping assembly and the filter screen assembly structure are utilized to increase the sealing effect, so that the sealing effect is greatly improved, and the outstanding technical effect is obtained.

The power assembly 100 includes: the motor casing 110, the motor setting is provided with the sealing connection spare 120 that has of special design manufacturing in the motor casing, and sealing connection spare 120 includes a disc 121, the cylinder 122 of disc front end, disc and cylinder portion are solid structure, and disc 121 forms detachable connection through screw and motor casing front end, and the front end face of cylinder 122 is provided with rotation shaft hole, drive shaft hole, dab safety switch hole and screw hole respectively, sets up axis of rotation, transmission shaft, dab safety switch and screw on it respectively. The rotating shaft hole is a through hole, the motor can drive the rotating shaft to rotate, the transmission shaft is a replaceable shaft, and the motor is convenient to replace after being corroded.

Optionally, the sealing connector 120 is an aluminum die casting, which is convenient to manufacture and low in cost, and can be used without reprocessing, so that the manufacturing specification of the juicer is ensured. The detachable connection of the aluminum die castings facilitates the disassembly and maintenance of users, provides more space for improving the sealing of the motor shell, has high aluminum hardness and small weight, improves the overall strength, and is an important contribution point of the invention because the aluminum die castings are added into the stainless steel structure.

In order to strengthen sealing, sealing rings are respectively arranged at the positions of the rotating shaft hole, the transmission shaft hole and the screw hole, the sealing rings are made of silica gel, the silica gel sealing rings 150 and 160 are cylindrical, a plurality of sealing rings are arranged in the axial direction of the cylindrical silica gel sealing rings, the silica gel sealing rings are high in corrosion resistance, good in flexibility and high in hardness, and through the plurality of sealing rings, juice can be effectively prevented from penetrating into the motor shell even if the external sealing rings are damaged, the service time of the juice extractor is prolonged, and the maintenance cost is reduced.

Optionally, at least two sealing rings, preferably six sealing rings, are present in the silica gel sealing ring. The silica gel sealing ring with the six sealing rings is arranged in the rotating shaft hole of the sealing connecting piece, so that the sealing effect is achieved, juice is prevented from entering the motor shell, and the effect of supporting the rotating shaft is achieved.

For convenience of installation, the front end of the cylinder of the sealing connector 120 is provided with a protrusion part in a cross 8 shape where two circular arcs intersect, wherein the center part of one circular arc is protruded to form a transmission shaft 140, and the center part of the other circular arc is penetrated and protruded with a rotation shaft 130. Wherein the transmission shaft and the sealing connecting piece are preferably detachably connected, so that the corroded transmission shaft is convenient to replace.

As shown in fig. 1, the base of the present invention includes two front legs 111 protruding forward, which effectively prevents vibration and displacement of the juice extractor, against the problem that the existing horizontal twin-screw juice extractor is easily displaced by vibration.

In the invention, a vibration damper is arranged between the sealing connector 120 and the juicer base, and the vibration damping purpose is realized mainly by connecting the sealing connector with the base. The shockproof device specifically comprises: the fixed shockproof piece 180 that sealing connection spare lower extreme set up, fixed shockproof piece 180 is the general shape of falling U, and two feet slope settings of U-shaped are provided with the connecting hole on the foot, be provided with in the organism base of juice extractor with fixed shockproof piece adaptation connection's connecting piece 190, the connecting piece includes the connecting portion of being connected with fixed shockproof piece, in order to increase the area of contact with fixed shockproof piece, the upper portion of connecting portion and the fixed shockproof piece looks adaptation of U-shaped, the lower part of connecting piece 190 is two feet with juice extractor organism base fixed connection, the connecting portion is omega shape generally. The sealing connection member 120, the fixing shock-proof member 180 and the connection member 190 may be detachably fastened by bolts, screws, or other forms of riveting or welding.

Further, the juicer base extends forward to the front of the sealing connector, and the vibration damper is integrally hidden in the base shell.

Through the structural design of the shockproof device and the base, the shockproof and stability performances of the juicer are greatly improved, and unexpected technical effects are obtained.

Examples

As shown in fig. 2, 5 and 6, a snap-in assembly 300 is used to connect the filter screen assembly 200 to the sealing connection 120 of the power assembly 100, the snap-in assembly 300 includes: a sealing member 310 fixedly connected to the front end cylinder of the sealing connector 120 for further sealing, a first engaging member 330 having one end hinged to a spring receiving portion 311 at one side of the sealing member 310 by a screw 313; one end of the second clamping piece 340 is hinged on the spring accommodating portion 311 through a screw, and the first clamping piece and the second clamping piece are both arc-shaped; a control member 360 hinged to the other end of the second engaging member 340; a connecting member 350 having one end hinged to the other end of the first engaging member 330 and the other end hinged to the middle portion of the control member 360. At least two screws are connected to the spring accommodating portion 311 in a mutually separated manner, and the springs are sleeved with the two screws hinged to the two clamping pieces. The first engaging member 330 and the second engaging member 340 can be located at a position surrounding the sealing member 310 from above and below, and the spring can enable the first engaging member and the second engaging member to automatically spring open when being separated.

Therefore, as shown in fig. 5 and 6, when the screen assembly 200 is combined with the power assembly 100, when the control member 360 is rotated to the second engaging member 340 with respect to the first engaging member 330, the connecting member 350 hinged to the control member 360 is pulled to the first engaging member 330, so that the first engaging member 330 and the second engaging member 340 approach each other, and when the control member 360 is rotated to the first engaging member 330 with respect to the first engaging member 330, the connecting member 350 hinged to the control member 360 is separated from the second engaging member 340, so that the first engaging member 330 and the second engaging member 340 are separated from each other. Grooves are provided on the opposite inner walls of the first engaging member 330 and the second engaging member 340 so as to insert and fit the end of the connecting portion 250 of the filter screen assembly.

The clamping assembly with the spring can realize the automatic separation of the first clamping piece and the second clamping piece, is convenient for a user to operate, and is provided with the sealing piece attached to the sealing connecting piece, so that the motor is further sealed and protected.

Examples

As shown in fig. 7 and 8, the screen assembly 200 of the present invention includes a bell mouth 210, a crushing shell 220, a squeeze shell 230, a drop-off prevention portion 240, and a connection portion 250. The diameter of the crushing shell 230 is significantly reduced compared with that of the crushing shell 220, steps are formed between the crushing shell and the crushing shell, the crushing shell and the crushing shell are respectively used for accommodating the crushing part and the crushing part of the double screw assembly, and a plurality of crushing shell filter screens forming an array are respectively arranged on the crushing shell 220 and the crushing shell 230.

The crushing shell 220 is vertically provided with a hollow bell mouth 210 in its upper part for providing the raw material to be extracted to the screen assembly.

As an important innovation point, all parts of the filter screen assembly are welded and formed, and the whole welding and forming structure is adopted, so that the manufacturing cost is reduced, the manufacturing efficiency is improved, and the use and maintenance of a user are facilitated.

The shell of filter screen subassembly is formed by two filter screen barrels, and the lateral wall of two filter screen barrels intersects each other and communicates with each other, and the filter screen barrel is inside to be provided with the screw rod, and the diameter of filter screen barrel is slightly bigger than the diameter of screw rod.

As shown in fig. 2, 7A and 8, a plurality of screens, which are a plurality of fine through holes, are formed in an array in front of the bell mouth 210 on the crushing shell 220. The bell mouth 210 is charged with juice raw material, which is crushed by the twin screw crushing units that are engaged with each other and rotated, and is transferred to the front side, and part of juice flowing out from the juice raw material is discharged through the screen while the juice raw material is crushed. Similarly, a plurality of screens are provided on the pressing housing 230 for discharging juice pressed by the pressing portion.

The front end of the extrusion casing 230 is provided with an anti-falling part 240, and the rear end of the anti-falling part 240 is provided with a filter housing assembly fixing member 270 and a supporting member 280 for supporting the twin screw, wherein the fixing member 270 is used for positioning the filter housing assembly. The support 280 is provided with two through holes for supporting the twin screw assembly and facilitating the discharge of the filter residue out of the filter screen assembly.

The front end of the anti-drop part 240 is further provided with a containing part 241, and two blind holes are formed in the containing part 241, so that an optical axis arranged at the front end of the extrusion part in the double-screw assembly is rotatably inserted and supported in the blind holes, and an opening for discharging filter residues is formed at the lower part of the anti-drop part.

The rear end of the filter screen assembly is provided with a connecting part 250 connected with the sealing connecting piece 120, and a silica gel sealing gasket 260 is arranged in the connecting part 250.

Referring to fig. 7B, the present invention provides a screen assembly for another application, which includes squeezing food materials such as jam, ice cream, etc. without the purpose of squeezing juice, wherein the screen assembly is provided with no screen on the crushing shell, but one or more notches 232 on the lower part of the crushing shell for guiding out the squeezed jam or ice cream, etc., and the filter housing assembly is not required to be used in the use state.

As an important innovation point, the invention provides a motor starting safety structure, the silica gel sealing gasket 260 is provided with a protrusion which can touch the tact safety switch, and the protrusion can enable the motor to start working by contacting the tact safety switch 170 after the clamping assembly 300 is clamped, so that the juicer is ensured to start safely after the clamping. And, the provision of the silicone gasket 260 further enhances the motor sealing.

Examples

Referring to fig. 9, the twin screw assembly includes: the crushing part 410 and the pressing part 420, the pressing part 420 is connected to the front of the crushing part 410, the diameter is obviously smaller than that of the crushing part 410, the joint of the crushing part and the pressing part is formed with a step, and the axially forward diameter of the pressing part 420 is gradually reduced. The double screw assembly is arranged in the shell of the filter screen assembly, the crushing part is used for crushing juice raw materials while rotating, and the extruding part continuously presses and juices the juice raw materials and simultaneously transfers the juice raw materials.

The crushing portion 410 and the pressing portion 420 of the present invention are formed of spiral protrusions and grooves, and the cross-section of the protrusions may be various shapes such as screw, rack, polygonal shapes, for facilitating crushing and pressing of the juice extracting material.

Further, the crushing part comprises two screws respectively connected to the rotating shaft and the transmission shaft, and the two screws are meshed with each other through spiral tooth cutters on the outer circumference.

The extrusion part is arranged at the front end of the crushing part, a thread shape is formed on the outer circumferential surface of the screw rod, and a rotating shaft is inserted into the screw rod.

Optionally, the extruding part is composed of a first thread part 421 and a second thread part 422, the two thread parts are adjacent, the second thread part is arranged at the front end of the first thread part, the number of threads of the second thread part is larger than that of the first thread part, the excessive threads of the second thread part 422 form new grooves and protrusions, the extruding strength is increased, and the thread part gap between the two screws is set. The two threaded parts are sequentially connected, so that extrusion deformation of the filter screen assembly is reduced, the forward pushing and the extrusion effect of raw materials are improved unexpectedly, and the overall performance of the juicer is improved greatly.

Optionally, the screw thread tooth knife is obliquely arranged, and the inclination angle is 8-30 degrees, so that the screw thread tooth knife can be quickly moved to the front while crushing.

Optionally, the first thread part is formed by two threads, and the second thread part is formed by four threads.

Further, the inclination angle of the screw driver is between 11 and 13 degrees, thereby obtaining unexpected crushing and forward pushing benefits. Through foretell enhancement extrusion structure and inclination etc. setting, extrusion efficiency all promotes more than 90% from more than 60%, and the effective utilization ratio of motor power reaches more than 95%.

According to the invention, the first threaded part and the second threaded part for reinforcing extrusion are sequentially connected, so that the forward pushing and juicing of the juicing material in the extrusion part are smoother, the juicing efficiency is improved, the juicing rate is improved, the cleaning difficulty is reduced, the pressure on the shell of the filter screen assembly is reduced, the deformation of the filter screen assembly is prevented, and the service life of the filter screen assembly is prolonged.

Examples

As shown in fig. 2 and 10, the filter screen assembly is sleeved with a filter cover assembly 500, and the filter cover assembly 500 includes a filter cartridge 510 and a filter residue separating plate 520, wherein a juice separating groove 530 is arranged in the middle of the lower part of the filter cartridge, and the filter residue separating plate is arranged at the front end of the filter cartridge.

The juice extractor further comprises a juice receptacle 600 provided at the underside of the juice separating bowl of the filter housing assembly, and a filter residue receptacle 700 provided with a handle 610.

The filter cover assembly can realize secondary filtration of filtered juice, so that the taste of a user is improved, and juice discharged through the filter screens can be prevented from splashing, and substances such as dust are prevented from entering the juice extractor.

As shown in fig. 7, the flare portion 210 is provided with a filter housing assembly mounting member 290, and the filter housing assembly is detachably mounted to the mounting member 290 on the flare portion by means of screws or bolts or the like.

Examples

As shown in fig. 10, juice raw materials such as vegetables and fruits for producing juice are fed into the bell mouth 210, and the screen assembly and the sealing connector 120 are engaged by the control member 360, and then the motor is started.

By touching the safety switch 170 and the protrusions, the motor is started and drives the rotation shaft, and the twin screw assembly 400 is rotated by the driving of the rotation shaft. At this time, the crushing blades of the crushing portion 410 are engaged with each other, and the screw connected to the drive shaft is rotated in the opposite direction as the screw driven by the rotation shaft is rotated.

The crushed juice is discharged through the plurality of filter screens on the crushing housing 220, and the discharged juice falls into the juice receptacle 600 after being filtered twice through the juice separating groove 530 on the filter housing.

The juice extracting material passing through the crushing portion is then pushed from the crushing shell 220 to the pressing shell 230,

Juice squeezing material is squeezed again after being strengthened by the first screw 421 and the second screw 422 in the squeezing part 420 of the twin-screw assembly, so that juice squeezing is more complete, and the juice is filtered through a plurality of filter screens arranged on the squeezing shell, and finally falls into the juice filtering container 600 after being filtered again through the juice filtering separating groove 530 on the filtering cover.

Finally, the residue after passing through the squeeze case 230 is pushed to the drop-preventing portion 240, and then falls into and is collected in the residue container located below the drop-preventing portion.

The juicer is convenient to detach after juicing, the clamping of the clamping piece can be easily sprung and opened by pulling the control piece 360, and the double screw assembly, the filter screen assembly, the filter cover assembly and the like are easily separated and taken out by simple combination, so that the juicer is beneficial to cleaning operation.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. A juicer comprises a power component, a shell component, a clamping component and a screw component;

The juicer is characterized in that the shell assembly comprises a filter screen assembly and a filter cover assembly, the filter screen assembly is integrally welded and formed, the filter cover assembly is detachably and fixedly supported on the filter screen assembly, and a juice separating groove is formed in the filter cover assembly, so that secondary filtering of juice can be realized;

The screw rod assembly is a double screw rod assembly, two screw rods of the double screw rod assembly are respectively and rotatably connected to the rotating shaft penetrating through a sealing connecting piece arranged on the motor shell and a transmission shaft arranged on the sealing connecting piece, and the double screw rod assembly is arranged in the filter screen assembly;

the sealing connecting piece is an aluminum die casting; the sealing connecting piece comprises a disc and a cylinder at the front end of the disc; the disc and the cylinder part are of solid structures, the disc is detachably connected with the front end of the motor shell, the front end face of the cylinder is respectively provided with a rotating shaft hole, a transmission shaft hole, a touch safety switch hole and a screw hole, and a rotating shaft, a transmission shaft, a touch safety switch and a screw are respectively arranged on the rotating shaft hole, the transmission shaft hole, the touch safety switch and the screw hole; the rotating shaft hole is a through hole, the motor drives the rotating shaft to rotate, and the transmission shaft is a replaceable shaft;

the filter screen component, the double-screw component and the filter cover component are made of food grade 304 or 316 stainless steel;

The double-screw assembly comprises a crushing part and an extrusion part, wherein the crushing part is formed by mutually meshing a thread tooth cutter on the outer circumference of a screw, the extrusion part is arranged at the front end of the crushing part, the diameter of the extrusion part is smaller than that of the crushing part, and a step is formed at the joint of the crushing part and the extrusion part; the extrusion part consists of a first thread part and a second thread part, the second thread part is arranged at the front end of the first thread part, and the number of threads of the second thread part is larger than that of the first thread part;

the inclination angle of the thread tooth knife is 11-13 degrees; the first thread part is formed by two threads, and the second thread part is formed by four threads;

the clamping assembly comprises: the sealing piece is used for further sealing and is fixedly connected to the front end cylinder of the sealing connecting piece;

One end of the first clamping piece is hinged to the spring accommodating part at one side of the sealing piece through a screw;

one end of the second clamping piece is hinged on the spring accommodating part through a screw,

The first clamping piece and the second clamping piece are arc-shaped;

the control piece is hinged to the other end part of the second clamping piece;

One end of the connecting piece is hinged to the other end of the first clamping piece, and the other end of the connecting piece is hinged to the middle part of the control piece;

the two bolts are connected to the spring accommodating part in a mutually separated manner, the spring is arranged in the spring accommodating part, and the two bolts hinged with the first clamping piece and the two bolts hinged with the second clamping piece are respectively sleeved;

The first clamping piece and the second clamping piece can be located at positions capable of surrounding the sealing piece from top to bottom, and the spring can automatically spring out when the first clamping piece and the second clamping piece are separated.

2. The juice extractor according to claim 1, characterized in that it comprises a base comprising two forward protruding front legs.

3. The juice extractor according to claim 1, wherein said screen assembly comprises a crushing shell housing a crushing portion of a twin screw assembly, a squeezing shell housing a squeezing portion of a twin screw assembly, and a flare; and the crushing shell and the extrusion shell are both provided with a plurality of filter screens or one or a plurality of extrusion shell notches are arranged at the lower part of the extrusion shell.

4. The juicer of claim 1, wherein the screen assembly is welded from two screen barrels, the side walls of the two screen barrels intersect and communicate with each other, a screw is disposed inside the screen barrels, the diameter of the screen barrels is larger than that of the screw, and a gap exists between the screen barrels and the screw.

5. The juicer of claim 1, wherein the filter screen assembly rear end is provided with a connection portion connected with the sealing connection member, a silicone gasket is provided in the connection portion, and a protrusion capable of touching the tact safety switch is provided on the silicone gasket.

6. The juice extractor of claim 1, wherein said filter cap assembly is disposed over said filter screen assembly, said filter cap assembly including a filter cartridge and a filter residue separator plate, said filter cartridge lower middle portion being provided with said juice separator groove, said filter residue separator plate being secured to said filter cartridge front end.