CN114847745A - Drum-type juice extractor - Google Patents

Abstract

The invention provides a drum-type juicer with high juicing and liquid-discharging efficiency and convenient cleaning, which comprises a base, a juicing cup detachably arranged on the base, a rotary cutter head rotatably arranged in the juicing cup, an upper cover detachably covered on the juicing cup, a filter arranged between the upper cover and the rotary cutter head, and a squeezing barrel movably arranged on the upper cover, wherein the upper cover is provided with a feed inlet for feeding food materials into the filter, the squeezing barrel can move up and down along the feed inlet to crush the fed food materials onto the rotary cutter head, the base is provided with a driving device for driving the rotary cutter head to rotate relative to the juicing cup so as to squeeze the food materials, and the side part of the juicing cup is provided with a liquid outlet. The invention has high juice extracting efficiency, and the residues of the extracted juice can be isolated in the filter and can not be discharged together with the juice, so the juice extracted by the invention is more uniform, has better taste and is not turbid.

Description

Drum-type juice extractor

[ technical field ] A method for producing a semiconductor device

The invention relates to the field of small household appliances, in particular to a drum-type juicer.

[ background of the invention ]

Traditional juice extractor is generally including the frame, locate the stirring cup on the frame and locate the stirring blade of stirring cup bottom, be equipped with drive stirring blade pivoted drive arrangement on the frame, drive arrangement work drive stirring blade rotates and stirs juice with the edible material to in the stirring cup, if and only when the whole completion of stirring work and stirring blade stall back, just can pour the juice in the stirring cup, consequently its speed of squeezing juice is slow, it is lower to go out liquid efficiency, can pour in the lump together with the residue when toppling over the juice in addition, especially accessory such as stirring blade and stirring cup can not dismantle, it washs very inconveniently, also be difficult to realize thorough washing.

[ summary of the invention ]

The invention aims to provide a drum-type juicer which is high in juicing and liquid-discharging efficiency and convenient to clean.

The purpose of the invention is realized as follows:

the utility model provides a drum-type juice extractor, includes that frame, detachably locate juice extracting cup on the frame, rotationally locate rotatory blade disc, the detachably cover in the juice extracting cup is located upper cover on the juice extracting cup, locate the upper cover with filter and movably between the rotatory blade disc locate the upper cover squeeze the section of thick bamboo, on cover be equipped with be used for to put in the dog-house of eating the material in the filter, squeeze the section of thick bamboo and can follow the dog-house is movable from top to bottom in order to smash the edible material of putting in to on the rotatory blade disc, be equipped with on the frame and be used for the drive rotatory blade disc is relative the drive arrangement who squeezes juice is carried out in order to eating the material to the rotation of juice extracting cup, the lateral part of juice extracting cup is equipped with the liquid outlet.

By adopting the structure, the squeezing cylinder is taken out, then the food materials to be squeezed are thrown into the feeding port, then the thrown food materials are crushed to the rotary cutter disc by the squeezing cylinder, then the driving device is started, the driving device drives the rotary cutter disc to rotate relative to the squeezing cup, so that the food materials in the squeezing cup are crushed and squeezed, the juice fried into the juice is thrown out to the squeezing cup through the filter under the centrifugal action and flows out through the liquid outlet at the side part of the squeezing cup, the ready-made juice can be discharged in the squeezing process, the juice extracting efficiency is high, in addition, the residue of the juice can be isolated in the filter and cannot be discharged together with the juice, and therefore, the juice extracted by the juicing cup is more uniform, better in taste and free of turbidity.

According to the drum-type juicer, the filter comprises the support frame and the filter screen which is covered on the outer side of the support frame, and a first detachable connecting structure is arranged between the support frame and the rotary cutter head. The filter screen can effectively isolate residues generated by juicing in the filter. Can install the filter on rotatory blade disc fast through first detachable connection structure for the filter can be at the during operation along with rotatory blade disc synchronous rotation reliably, and when needing to unpick and wash, also can pull down the filter through first detachable connection structure fast, and is very convenient.

As above, the supporting frame comprises an upper ring, a lower ring and a plurality of eccentric baffles arranged between the upper ring and the lower ring, the eccentric baffles can generate a turbulent flow effect when rotating, so that food material fragments which are not completely smashed can be beaten onto the eccentric baffles and quickly fall back to the rotary cutter head, and the efficiency of chopping and juicing is improved.

As above a drum-type juice extractor, rotatory blade disc include with drive arrangement's output can dismantle the rotating turret of connection and locate blade disc body on the rotating turret, be equipped with on the blade disc body and be used for cutting up the shredding knife A and the shredding knife B that cut up and press juice to eating the material, during operation blade disc body rotates and drives shredding knife A and shredding knife B and carry out high-speed rotation in order to eat the material and cut up and press juice at a high speed.

As above a drum-type juice extractor, first connection structure dismantled includes to locate along circumference L type fixture block on the rotating turret with locate along circumference the support frame bottom just supplies L type fixture block revolves the draw-in groove of twisting the card income to make things convenient for the dismouting between filter and the rotatory blade disc.

As above a drum-type juice extractor, the upper cover with be equipped with safety switch between the frame, safety switch is including locating switch seat in the frame, locate on the switch seat and with the switch body that the drive arrangement electricity is connected, movably locate in the juice extraction cup and supply last ejector pin, the movably of upper cover roof pressure locate on the switch seat and supply the movable trigger spare of going up the ejector pin roof pressure, movable trigger spare with be equipped with the elasticity piece that resets between the switch seat, the bottom of movable trigger spare is equipped with and is used for triggering the lower ejector pin of switch body switch-on. When the juice extracting cup is arranged on the base and the upper cover is arranged on the juice extracting cup, the upper cover presses the upper ejector rod downwards, so that the movable trigger piece moves downwards and the lower ejector rod is pressed downwards to trigger the switch body to be switched on, and the driving device can be started at the moment; otherwise, under the jacking action of the elastic resetting piece, the lower ejector rod is far away from the switch body, so that the switch body can not be switched on all the time, the driving device can not be started at the moment, the condition that the driving device is started accidentally is effectively prevented, and the use safety of the juicer is improved.

The drum-type juice extractor comprises a base, an upper panel, a guide post, an elastic reset piece, a switch seat and a safety switch, wherein the top of the base is provided with the upper panel, the bottom of the upper panel is provided with the guide post, the lateral part of the movable trigger piece is provided with a guide hole penetrating into the guide post, the lateral part of the switch seat is provided with a containing cavity for inserting the end part of the guide post, the elastic reset piece is sleeved on the guide post, two ends of the elastic reset piece are respectively abutted to the movable trigger piece and the containing cavity, and the inner side wall of the juice extracting cup is provided with a movable cavity for the upper ejector rod to move up and down, so that the compactness of the overall structure of the safety switch is guaranteed, and meanwhile, the stability of the movable trigger piece and the upper ejector rod can be guaranteed.

According to the drum-type juicer, the first guide rod is arranged at the top of the movable trigger piece, the first through hole for the first guide rod to penetrate out is formed in the upper panel, the second guide rod is arranged at the bottom of the upper panel, the second through hole for the second guide rod to penetrate through is formed in the movable trigger piece, the third through hole for the lower ejector rod to penetrate through is formed in the switch seat, so that the movement stability of the movable trigger piece is further improved, the pressing block for the end portion of the lower ejector rod to press and trigger the switch body to be switched on is arranged on the switch body, the guide arc surface is arranged on the pressing block, correspondingly, the guide inclined surface is arranged at the end portion of the lower ejector rod, so that the smoothness of relative movement between the lower ejector rod and the pressing block is guaranteed, and the phenomenon of 'blocking' is prevented.

According to the roller type juice extractor, the upper cover is provided with the guide cylinder which extends upwards and supplies the squeezing cylinder to move up and down at the position of the feeding port, the limiting clamping structure is arranged between the inner side wall of the guide cylinder and the outer side wall of the squeezing cylinder, so that the squeezing cylinder is effectively limited and prevented from rotating along with the rotary cutter head, and the squeezing salient points are arranged at the bottom of the squeezing cylinder, so that the effect of crushing food materials by the squeezing cylinder is improved.

As above a drum-type juice extractor, be equipped with the confession on the draw-in groove the breach that L type fixture block card was gone into is in order to make things convenient for L type fixture block card to go into the draw-in groove, be equipped with spacing arch in the draw-in groove, it is corresponding, be equipped with the confession on the L type fixture block spacing notch that spacing arch card was gone into to guarantee the fastness of the joint between L type fixture block and the draw-in groove.

According to the drum-type juicer, the material escaping notch is formed in the L-shaped clamping block, so that the manufacturing cost is saved, and meanwhile, the L-shaped clamping block is ensured to have certain elasticity so as to be conveniently clamped with the clamping groove.

As above a drum-type juice extractor, the bottom of upper cover is equipped with the installation chimb along its circumference, be equipped with on the installation chimb and revolve wrong draw-in groove, it is corresponding, the top side of squeezing the juice cup be equipped with revolve the joint piece of revolving wrong draw-in groove looks joint to realize the upper cover and squeeze the juice cup between revolve wrong installation, made things convenient for the dismouting between it.

According to the drum-type juicer, the connecting lug is arranged at the bottom of the juicing cup, the inserting slot for the connecting lug to insert is formed in the base, and the screwing fixture block A and the screwing fixture block B which can be mutually screwed and clamped are respectively arranged on one side of the inserting slot and one side of the connecting lug, so that screwing installation between the juicing cup and the base is realized, and the juicing cup and the base are convenient to disassemble and assemble.

[ description of the drawings ]

The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings, in which:

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a schematic cross-sectional view of the upper half of the present invention;

FIG. 3 is a schematic exploded view of the filter of the present invention;

FIG. 4 is a schematic bottom view of the present invention;

FIG. 5 is a schematic structural view of the upper cover according to the present invention;

FIG. 6 is a schematic view of the press cylinder according to the present invention;

FIG. 7 is a schematic structural view of the safety switch and the upper panel according to the present invention;

fig. 8 is a reference diagram of the use state of the present invention.

[ detailed description ] embodiments

The utility model provides a drum-type juice extractor, including frame 1, detachably locates the juice extraction cup 2 on the frame 1, rotationally locate the rotatory blade disc 3 in the juice extraction cup 2, detachably covers upper cover 4 on locating the juice extraction cup 2, locate filter 5 between upper cover 4 and the rotatory blade disc 3 and movably locate the press tube 6 on the upper cover 4, be equipped with on the upper cover 4 and be used for throwing in the dog-house 41 of edible material to filter 5, press tube 6 can be followed dog-house 41 and moved about in order to crush the edible material of throwing in to rotatory blade disc 3, be equipped with on the frame 1 and be used for driving rotatory blade disc 3 and press the drive arrangement 10 that the juice extraction cup 2 was rotatory in order to carry out the juice extraction to the edible material, the lateral part of juice extraction cup 2 is equipped with liquid outlet 21.

Preferably, the filter 5 comprises a support frame 51 and a filter screen 52 covering the support frame 51, and a first detachable connection structure 50 is arranged between the support frame 51 and the rotary cutter head 3. The support frame 51 can ensure the overall strength of the filter 5, and the filtering net 52 can effectively isolate the residues generated by juicing in the filter 5. Can install filter 5 on rotatory blade disc 3 fast through first detachable connection structure 50 for filter 5 can be along with rotatory blade disc 3 synchronous rotation reliably at the during operation, and when needing to unpick and wash, also can pull down filter 5 fast through first detachable connection structure 50, and is very convenient. Preferably, the supporting frame 51 is made of a plastic material, the filtering net 52 is made of a metal material (fine meshes are densely distributed on the side wall of the filtering net 52), and the filtering net 52 and the supporting frame 51 are integrally formed.

Preferably, the supporting frame 51 comprises an upper ring 511, a lower ring 512 and a plurality of eccentric baffles 513 arranged between the upper ring 511 and the lower ring 512 (the longitudinal section of the eccentric baffles 513 is not parallel to any radial axis of the filtering screen 52). The eccentric baffle 513 can generate a turbulent flow effect during rotation, so that food material fragments which are not completely smashed can be beaten onto the eccentric baffle 513 and quickly fall back to the rotary cutter head 3, and the chopping and juicing efficiency is improved. The upper ring 511 is provided with a turned-in flange 514 to prevent juice from being thrown out of the top of the strainer 5.

Preferably, the rotary cutter head 3 includes a rotary frame 31 detachably connected to the output end of the driving device 10, and a cutter head body 32 provided on the rotary frame 31 (the cutter head body 32 and the rotary frame 31 can be fixed together by screwing), and the cutter head body 32 is provided with a chopping knife a321 and a chopping knife B322 for chopping and juicing food materials. In operation, the cutter head body 32 rotates and drives the chopping blades a321 and the chopping blades B322 to rotate at a high speed so as to chop and squeeze food materials at a high speed. Preferably, the chopping knives a321 are in the shape of an oblique rhombus cone, triangular knife grooves a having the same shape as the chopping knives a321 are arranged on the surface of the cutter head body 32 at the positions corresponding to the chopping knives a321, the chopping knives B322 (3 in number and arranged at the middle position of the cutter head body 32) are in the shape of an oblique rhombus column, and triangular knife grooves B having the same shape as the chopping knives B322 are arranged on the surface of the cutter head body 32 at the positions corresponding to the chopping knives B322, so that the effect and the efficiency of juicing the chopped meat of the cutter head body 32 are further improved. The bottom of the juice extracting cup 2 is provided with a mounting hole 201, the output end of the driving device 10 penetrates out of the mounting hole 201 and is detachably connected with the bottom of the rotating frame 31, and the mounting hole 201 is provided with a flange 202 extending upwards along the circumferential direction to ensure the liquid tightness.

In order to facilitate the assembly and disassembly of the filter 5 and the rotary cutter head 3, the first detachable connecting structure 50 includes an L-shaped fixture block 501 circumferentially disposed on the rotating frame 31 and a clamping groove 502 circumferentially disposed at the bottom of the supporting frame 51 and used for the L-shaped fixture block 501 to be screwed and clamped.

In order to improve the safety of the juicer in use, a safety switch 7 is arranged between the upper cover 4 and the base 1, the safety switch 7 comprises a switch base 71 arranged in the base 1, a switch body 72 arranged on the switch base 71 and electrically connected with the driving device 10, an upper ejector rod 73 movably arranged in the juicer cup 2 and used for ejecting the upper cover 4, and a movable trigger 74 movably arranged on the switch base 71 and used for ejecting the upper ejector rod 73, an elastic reset piece (not shown in the figure) is arranged between the movable trigger 74 and the switch base 71, and a lower ejector rod 75 used for triggering the switch body 72 to be switched on is arranged at the bottom of the movable trigger 74. When and only when the juice extracting cup is arranged on the machine base 1 and the upper cover 4 is arranged on the juice extracting cup 2, the upper cover 4 presses the upper ejector rod 73 downwards, so that the movable trigger piece 74 moves downwards and the lower ejector rod 75 is pressed downwards to trigger the switch body 72 to be switched on, and at the moment, the driving device 10 can be started; otherwise, under the pressing action of the elastic resetting member, the lower ejector rod 75 is far away from the switch body 72, so that the switch body 72 cannot be switched on all the time, and at this time, the driving device 10 cannot be started, thereby effectively preventing the driving device 10 from being started accidentally.

In order to ensure the compactness of the whole structure of the safety switch and simultaneously ensure the movement stability of the movable trigger piece 74 and the upper ejector rod 7, the top of the machine base 1 is provided with an upper panel 11, the bottom of the upper panel 11 is provided with a guide post 111, the side part of the movable trigger piece 74 is provided with a guide hole 741 penetrating into the guide post 111, the side part of the switch base 71 is provided with an accommodating cavity 711 for inserting the end part of the guide post 111, an elastic reset piece is sleeved on the guide post 111, the two ends of the elastic reset piece are respectively abutted against the movable trigger piece 74 and the accommodating cavity 711, and the inner side wall of the juice extracting cup 2 is provided with a movable cavity 22 for the upper ejector rod 73 to move up and down.

In order to further improve the movement stability of the movable trigger 74, the top of the movable trigger 74 is provided with a first guide rod 742, the upper panel 11 is provided with a first through hole 112 through which the first guide rod 742 penetrates, the bottom of the upper panel 11 is provided with a second guide rod 113, the movable trigger 74 is provided with a second through hole 743 through which the second guide rod 113 penetrates, the switch seat 71 is provided with a third through hole 712 through which the lower push rod 75 penetrates, the switch body 72 is provided with a pressing block 721 for pressing the end of the lower push rod 75 and triggering the switch body 72 to be switched on, in order to ensure the smoothness of the relative movement between the lower push rod 75 and the pressing block 721 and prevent the occurrence of the 'jamming', the pressing block 721 is provided with a guide arc surface 722, and correspondingly, the end of the lower push rod 75 is provided with a guide inclined surface 751.

In order to effectively limit the squeezing cylinder 6 and prevent the squeezing cylinder from rotating along with the rotary cutter head 3, a guide cylinder 42 which extends upwards and supplies the squeezing cylinder 6 to move up and down is arranged at the position of the feeding port 41 of the upper cover 4, a limiting clamping structure 60 is arranged between the inner side wall of the guide cylinder 42 and the outer side wall of the squeezing cylinder 6 (a limiting groove is arranged on the outer side wall of the squeezing cylinder 6, the lower part of the fiber groove is in a triangular notch, a limiting convex point is arranged above the inner side wall of the guide cylinder 42, and a triangular clamping block is arranged below the inner side wall of the guide cylinder 42), and in order to improve the effect of the squeezing cylinder 6 for crushing food materials, a squeezing convex point 61 is arranged at the bottom of the squeezing cylinder 6. The top of the press cylinder 6 is provided with a limiting skirt 601, so that the press cylinder 6 can be conveniently taken out of the guide cylinder 42.

In order to ensure the firmness of the clamping between the L-shaped fixture block 501 and the clamping groove 502, the clamping groove 502 is provided with a notch 503 for the L-shaped fixture block 501 to be clamped in, the clamping groove 502 is provided with a limiting protrusion 504, and correspondingly, the L-shaped fixture block 501 is provided with a limiting notch 505 for the limiting protrusion 504 to be clamped in.

In order to save manufacturing materials and ensure that the L-shaped fixture block 501 has certain elasticity so as to be conveniently clamped with the clamping groove 502, the L-shaped fixture block 501 is provided with a material escaping notch 506.

In order to realize the screwing installation between the upper cover 4 and the juice squeezing cup 2 so as to facilitate the dismounting and mounting between the upper cover 4 and the juice squeezing cup, the bottom of the upper cover 4 is provided with an installation convex edge 43 along the circumferential direction thereof, the installation convex edge 43 is provided with a screwing clamping groove 44, and correspondingly, the top side of the juice squeezing cup 2 is provided with a clamping block 23 clamped with the screwing clamping groove 44. The structure of the screwing clamping groove 44 is basically consistent with that of the clamping groove 502, a limiting bulge is arranged on the screwing clamping groove, and correspondingly, a limiting notch is also arranged on the clamping block 23. When the upper lid 4 is mounted on the juice extracting cup 2, the mounting flange 43 can press the upper push rod 73 downwards.

In order to realize the screwing installation between the juice extracting cup 2 and the base 1 so as to facilitate the dismounting and mounting between the juice extracting cup 2 and the base 1, the bottom of the juice extracting cup 2 is provided with a connecting lug 24, the base 1 (the upper panel 11) is provided with a slot 12 for the insertion of the connecting lug 24, and one side of the slot 12 and one side of the connecting lug 24 are respectively provided with a screwing clamping block A121 and a screwing clamping block B241 which can be mutually screwed and clamped. The screw jaw a121 and the screw jaw B241 are also provided with a stopper protrusion and a stopper recess at corresponding positions.

The upper cover 4 and the juice extracting cup 2, the rotary cutter head 3 and the driving device 10, the juice extracting cup 2 and the base 1 and other parts can be disassembled, so that the juice extracting cup can be thoroughly cleaned, and the parts can be conveniently maintained and replaced.

When the invention is used, the squeezing cylinder 6 is taken out, then the food materials to be squeezed are thrown into the feeding port 41, then the squeezing cylinder 6 is pressed into the guide cylinder 42, the thrown food materials are crushed onto the disc body 32, then the driving device 10 is started, the driving device 10 drives the rotary cutter disc 3 and the filter 5 to rotate at a high speed relative to the squeezing cup 2, the cutter disc body 32 rotates at a high speed to enable the chopping cutter A321 and the chopping cutter B322 to stir and squeeze the food materials in the filter 5, the juice fried into the juice is thrown out to the squeezing cup 2 through the filter screen 52 under the centrifugal action and flows out through the liquid outlet 21 at the side part (the side part of the squeezing cup 2 is provided with a liquid outlet pipe from inside to outside, the liquid outlet 21 is arranged on the liquid outlet pipe), therefore, the ready-made juice can be discharged in the process, the juice squeezing efficiency is high, in addition, the residue of the juice can be isolated in the filter and can not be discharged together with the juice, so the juice extracted by the invention is more uniform, has better taste and is not turbid.

Claims (10)

1. A drum-type juice extractor is characterized by comprising a base (1), a juice extracting cup (2) detachably arranged on the base (1), a rotary cutter head (3) rotatably arranged in the juice extracting cup (2), an upper cover (4) detachably arranged on the juice extracting cup (2), a filter (5) arranged between the upper cover (4) and the rotary cutter head (3), and a squeezing barrel (6) movably arranged on the upper cover (4), wherein the upper cover (4) is provided with a feeding port (41) used for feeding food materials into the filter (5), the squeezing barrel (6) can move up and down along the feeding port (41) to crush the fed food materials onto the rotary cutter head (3), the base (1) is provided with a driving device (10) used for driving the rotary cutter head (3) to rotate the juice extracting cup (2) so as to extract the food materials, the lateral part of the juice extracting cup (2) is provided with a liquid outlet (21).

2. A drum juicer according to claim 1, characterized in that said filter (5) comprises a supporting frame (51) and a filtering screen (52) covering the outside of said supporting frame (51), said supporting frame (51) being provided with a first removable connection (50) to said rotary cutter disc (3).

3. A drum juicer according to claim 2, characterized in that said supporting frame (51) comprises an upper ring (511), a lower ring (512) and a plurality of eccentric baffles (513) arranged between said upper ring (511) and said lower ring (512).

4. A drum juicer according to claim 2, wherein said rotary cutter (3) comprises a rotatable frame (31) detachably connected to the output end of said drive means (10) and a cutter body (32) provided on said rotatable frame (31), said cutter body (32) being provided with a cutter a (321) and a cutter B (322) for cutting and juicing food materials.

5. A drum juicer according to claim 4, characterized in that said first detachable connection structure (50) comprises an L-shaped block (501) circumferentially arranged on said turret (31) and a slot (502) circumferentially arranged at the bottom of said supporting frame (51) for said L-shaped block (501) to be screwed in.

6. A roller-type juice extractor according to claim 1, wherein a safety switch (7) is disposed between the upper cover (4) and the base (1), the safety switch (7) comprises a switch base (71) disposed in the base (1), a switch body (72) disposed on the switch base (71) and electrically connected to the driving device (10), an upper push rod (73) movably disposed in the juice extracting cup (2) and used for pushing the upper cover (4), and a movable trigger (74) movably disposed on the switch base (71) and used for pushing the upper push rod (73), an elastic reset member is disposed between the movable trigger (74) and the switch base (71), and a lower push rod (75) for triggering the switch body (72) to be turned on is disposed at the bottom of the movable trigger (74).

7. A drum type juice extractor according to claim 6, characterized in that the top of the base (1) is provided with an upper panel (11), the bottom of the upper panel (11) is provided with a guide post (111), the side of the movable trigger (74) is provided with a guide hole (741) penetrating into the guide post (111), the side of the switch base (71) is provided with a containing cavity (711) for inserting the end of the guide post (111), the elastic reset piece is sleeved on the guide post (111) and two ends of the elastic reset piece are respectively abutted against the movable trigger (74) and the containing cavity (711), and the inner side wall of the juice extracting cup (2) is provided with a movable cavity (22) for the upper push rod (73) to move up and down.

8. A drum juicer according to claim 1, wherein the upper cover (4) is provided with a guide cylinder (42) extending upward at the position of the feeding port (41) and allowing the squeezing cylinder (6) to move up and down, a limit clamping structure (60) is arranged between the inner side wall of the guide cylinder (42) and the outer side wall of the squeezing cylinder (6), and a squeezing protrusion (61) is arranged at the bottom of the squeezing cylinder (6).

9. A drum type juice extractor according to claim 5, wherein said slot (502) is provided with a notch (503) for said L-shaped block (501) to be inserted into, said slot (502) is provided with a limit protrusion (504), and correspondingly, said L-shaped block (501) is provided with a limit notch (505) for said limit protrusion (504) to be inserted into.

10. The drum-type juice extractor as claimed in claim 1, wherein the bottom of the upper cover (4) is provided with an installation flange (43) along the circumferential direction thereof, the installation flange (43) is provided with a screwing clamping groove (44), correspondingly, the top side of the juice extraction cup (2) is provided with a clamping block (23) which is connected with the screwing clamping groove (44) in a clamped manner, the bottom of the juice extraction cup (2) is provided with a connecting bump (24), the base (1) is provided with a slot (12) for the connecting bump (24) to be inserted, and the slot (12) and one side of the connecting bump (24) are respectively provided with a screwing clamping block A (121) and a screwing clamping block B (241) which can be mutually screwed in a clamped manner.

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