CN218791735U - Juice extractor - Google Patents

Abstract

The utility model relates to a juice extractor, which comprises a shell, a juice extracting head, a juice extracting cover and a transmission screw rod, wherein the transmission screw rod can rotate around the axis of the juice extracting head and can move back and forth; the method is characterized in that: the clamping piece can slide left and right and is provided with a small hole part and a large hole part which are communicated with each other; under the working state of rotating and juicing the transmission screw, the transmission screw penetrates through the small hole part, and the hole wall of the small hole part is clamped into the thread groove of the transmission screw to realize thread matching; when the transmission screw rod moves backwards, the transmission screw rod can pass through the large hole part, and the hole wall of the large hole part cannot be clamped into the thread groove of the transmission screw rod.

Description

Juice extractor

Technical Field

The utility model relates to a juice extractor specifically is a juice extractor of drive screw and fastener cooperation action.

Background

The juicer is a machine capable of quickly squeezing fruits and vegetables into fruit and vegetable juice, and is mainly divided into two types according to different power: electric and manual.

The electric squeezer is provided with a built-in screw driven by a motor, and juicing is finished by rolling the built-in screw rotating at a high speed, for example, the juicer disclosed in Chinese patent application publication No. CN201710466647.7 (No. CN 107149380A) comprises a shell, a juice cup, a cup cover, an upper squeezing head, a lower squeezing head, a screw and a motor, wherein the upper squeezing head is installed in the cup cover, the top end of the screw extends into the juice cup, the lower squeezing head is installed at the top end of the screw, the juice cup is installed on the shell, the motor is installed in the shell and moves up and down in the shell, a sleeve is arranged on the periphery of the screw, a nut is movably arranged in the sleeve, but the nut cannot rotate with the sleeve, the screw is in threaded fit with the nut, an upper spring is arranged above the nut, a lower spring is arranged below the nut, the upper spring and the lower spring are both positioned in the sleeve, and the upper spring and the lower spring support the nut. The juicer is quick and efficient, but is high in cost and inconvenient to clean, the fruit peel needs to be removed, juicing is carried out, time and labor are wasted in operation, and time is consumed for cleaning after each use.

The manual juice extractor mainly extracts juice by extrusion, and is applied to fruit and vegetables with more water, such as oranges, tangerines, watermelons, tomatoes and the like, for example, a juice extractor disclosed in the Chinese utility model patent with the application number of CN202010812108.6 (with the publication number of CN 111972959A) comprises a base, a pressure rod, a transition connecting rod, a downward pressing pin shaft, an I-shaped frame, a pressing surface, a pressing cup and two supporting frames; the two supporting frames are respectively arranged on the two sides of the base. The support frame is respectively hinged with the pressure lever and the I-shaped frame, the transition connecting rod is hinged with the I-shaped frame, the lower pressure pin shaft is in threaded connection with the pressure surface, the pressure surface is in contact with the pressure cup in a fitting manner, and the pressure cup is buckled in the pressure cup bracket. The pressing cup is matched with the pressing surface in shape. When the fruit and vegetable squeezing mechanism is used, fruits and vegetables are placed between the two squeezing heads, a user pushes the pressure lever with hands, liquid in the fruits and vegetables are squeezed out by utilizing the strength of the hands, the juice yield is low, the current manual juice squeezing mechanism is very labor-consuming when in use, and people with small strength cannot use the squeezing mechanism. Moreover, the existing juicer usually needs to be reversed to return the juicing head to the starting point, so that the juicing efficiency is seriously influenced, and the user experience is poor.

For this reason, the existing manual juice extractor can be further improved.

Disclosure of Invention

The utility model aims to solve the technical problem that a juice extractor that structural configuration is reasonable, and enable the head of squeezing the juice and roll back fast is provided to above-mentioned prior art current situation, this juice extractor squeezes the juice more high-efficient, and user experience is good, is particularly suitable for squeezing the juice to fruits such as orange, tangerine, lemon.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a juicer comprises a casing, a juicing head, a juicing cover and a transmission screw rod, wherein the transmission screw rod can rotate around the axis of the juicing cover and can move back and forth; the method is characterized in that: the clamping piece can slide left and right and is provided with a small hole part and a large hole part which are communicated with each other; under the working state of rotary juicing of the transmission screw, the transmission screw penetrates through the small hole part, and the hole wall of the small hole part is clamped into the thread groove of the transmission screw to realize thread matching; when the transmission screw rod moves backwards, the transmission screw rod can pass through the large hole part, and the hole wall of the large hole part cannot be clamped into the thread groove of the transmission screw rod.

In the normal use state of the juice extractor, the transmission screw rod is transversely arranged or horizontally arranged. The leftward and rightward slippage refers to a leftward and rightward direction perpendicular to the forward and backward moving direction of the drive screw.

In order to facilitate the movement of the driving clamping piece, one end of the clamping piece is connected with the key on the shell, and the other end of the clamping piece is provided with a spring which enables the clamping piece to keep moving towards the direction of the key. After the external force disappears due to the arrangement of the spring, the clamping piece automatically resets, so that the transmission screw rod and the clamping piece form a thread fit relation.

Preferably, the diameter of the large hole is larger than the outer diameter of the power screw, and the diameter of the small hole is smaller than the outer diameter of the power screw. The hole wall of the small hole part can be ensured to be clamped into the thread groove of the transmission screw rod to realize thread matching, and meanwhile, when the transmission screw rod is positioned in the large hole part, the hole wall of the large hole part can not be clamped into the thread groove of the transmission screw rod.

Preferably, the small hole portion is an arc-shaped slot, and the large hole portion is a rectangular hole. The arc draw-in groove can form screw thread transmission cooperation relation better with the thread groove, and the space in rectangular hole is bigger and regular hole, and when drive screw was located the rectangular hole, drive screw's retreating was more convenient, light.

Preferably, the arc-shaped clamping groove is located on the side wall of the rectangular hole. The structure is beneficial to manufacturing the clamping piece and can be completed by one-time punch forming.

Specifically, the spring keeps the small hole part clamped in a thread groove of the transmission screw to form the thread matching; and pressing the key enables the thread groove of the transmission screw to be separated from the small hole part and enter the large hole part.

The improved structure is characterized in that a mounting box is further fixed in the shell, and the keys, the clamping pieces and the springs are all arranged in the mounting box; the casing internal fixation has the axle sleeve, and drive screw wears to establish in this axle sleeve, and the axle sleeve passes the mounting box, and it has the breach that supplies the fastener to get into to open on the axle sleeve. The shaft sleeve has a supporting function on the transmission screw rod, the shaft sleeve is ensured not to be easy to move, the transmission is more stable, and the installation box provides a proper installation position for the keys, the clamping piece and the spring. Preferably, a drive screw on the rear side of the cartridge has a lever section. When the transmission screw rod moves forwards to the matching position of the clamping piece and the polished rod part, the threaded connection matching relation between the transmission screw rod and the clamping piece disappears, and at the moment, the transmission screw rod only idles, namely, the rotation of the transmission screw rod cannot move forwards relative to the machine shell, so that the juice extracting head is prevented from moving forwards excessively to damage the juice extracting cover.

Compared with the prior art, the utility model has the advantages of: when the juicing head needs to be retracted quickly, a force is applied to the clamping piece, the clamping piece is driven to move in the direction perpendicular to the axis of the transmission screw rod, the transmission screw rod can pass through the large hole part, the hole wall of the large hole part cannot be clamped into the thread groove of the transmission screw rod, the transmission screw rod and the clamping piece are not in thread fit relation any more, and therefore the transmission screw rod can be pulled backwards directly to drive the juicing head to return to carry out next juicing; when juicing, the clamping piece stops applying force, the clamping piece resets, the transmission screw penetrates through the small hole part, the hole wall of the small hole part is clamped into the thread groove of the transmission screw to realize thread fit, and the screw is rotated to drive the juicing head to rotate and move forwards. And when the juicing head is at the most forward position, the juiced fruit peel can be taken off more conveniently, and meanwhile, the fruit to be juiced can be mounted on the juicing head more conveniently.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention (with a juice extracting cover opened);

FIG. 2 is a schematic perspective view of the embodiment of the present invention (with the juice extracting cover closed);

fig. 3 is a sectional view taken along the height direction of fig. 2;

FIG. 4 is a schematic perspective view of an embodiment of the present invention (with the juicing head moved backward with the juicing cover closed);

fig. 5 is a sectional view in the height direction of fig. 4;

fig. 6 is a front-rear sectional view of fig. 2;

FIG. 7 is a schematic view showing the hole wall of the small hole of the fastener member being engaged with the thread groove of the driving screw according to the embodiment of the present invention;

FIG. 8 is a schematic view of the embodiment of the present invention in which the drive screw is located in the large hole portion of the clamping member;

fig. 9 is a schematic perspective view of the embodiment of the present invention (juice glass taken out);

FIG. 10 is an exploded view of the embodiment of the present invention in which the drive screw is connected to the juicing head;

fig. 11 is a schematic perspective view of a clip member in an embodiment of the present invention;

FIG. 12 is a schematic perspective view of a juicing cap according to an embodiment of the present invention;

fig. 13 is a schematic perspective view of the shaft sleeve according to the embodiment of the present invention;

fig. 14 shows another arrangement of the elastic member according to the embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 14, is a preferred embodiment of the present invention.

A juicer comprises

A housing 1 having an interior.

The fruit juicer comprises a juicing head 2, a juicing cover 3 is hinged on a front opening 12 of a casing 1, a lock catch 35 for locking the juicing cover 3 at a closed position is arranged between the juicing cover 3 and the casing, the outer surface of the juicing head 2 is an arc surface and is provided with a plurality of external convex ribs 21, and the top of the juicing head 2 is transversely provided with an insertion rod 22 for hanging fruits; the outer convex rib 21 extends from the top of the juicing head to the edge of the arc-shaped surface, and a concave part 23 is arranged between one end of the outer convex rib 21 close to the inserted link 22 and the inserted link 22.

The juicing cover 3 is connected to the machine shell 1, the juicing cover 3 is provided with an arc-shaped concave squeezing cavity 31, and the juicing head 2 can be accommodated in the squeezing cavity 31.

The juicing device comprises a transmission screw rod 5 which can rotate around the axis of the juicing device and can move back and forth, the rear end of the transmission screw rod 5 is connected with a rocking handle 6, and a juicing head 2 is connected to the front end of the transmission screw rod 5 and can rotate and move back and forth along with the transmission screw rod.

A juice glass 4 inserted in the lower part of the machine shell 1. The lower part of the machine shell 1 is provided with a cup inlet 11 for the juice cup to enter and exit the inner cavity of the machine shell, and the lower part of the squeezing cavity 31 is provided with a drainage surface 37 for guiding the juice obliquely downwards to the juice cup 4.

The inner wall of the pressing cavity 31 is provided with a plurality of inner convex ribs 32 extending from the middle part of the pressing cavity 31 to the edge. The inner convex ribs 32 are in an arc shape matched with the inner surface of the squeezing cavity 31 and are distributed in a radial shape, and a transition convex rib 34 is arranged between every two adjacent inner convex ribs 32. The inner convex rib 32 and the transition convex rib 34 are both provided with clamping thorns 33. The two adjacent inner ribs 32 form a sliding groove 321, and when the juice extracting cover 3 is turned over and opened, the end of the inserted link 22 passes through the sliding groove 231 between the two adjacent inner ribs 32 and can slide out of the sliding groove 321.

The inner ends of the inner ribs 32 are spaced from the center of the pressing chamber 31, so that the inner ends of the inner ribs 32 enclose a receiving chamber 36, and the receiving chamber 36 is used for receiving the end of the plunger 22.

And a resilient member 7, the resilient member 7 enabling the outer surface of the juicing head 2 to retract to the rear side when subjected to a squeezing force from the front side. Specifically, a concave cavity 25 is arranged at the rear end of the juicing head 2, a connector 24 capable of sliding back and forth relative to the juicing head 2 is constrained in the concave cavity 25, the connector 24 and the concave cavity 25 on the juicing head 2 are in keyway fit so that the connector and the juicing head can rotate synchronously and can slide relative to each other, the elastic component 7 directly acts on the connector 24 to enable the connector 24 to keep the trend of moving towards the direction of the transmission screw rod 5, the front end of the transmission screw rod 5 is inserted into the connector 24, the rotation of the transmission screw rod 5 can drive the connector 21 and the juicing head 2 to rotate together, and the elastic component 7 indirectly acts on the transmission screw rod 5.

As shown in fig. 14, the elastic member 7 may also be configured in such a way that the driving screw 5 includes a front section 5a and a rear section 5b, the front section 5a is inserted into the juicing head 2, the front section 5a and the rear section 5b are inserted into a driving sleeve 5c, and can slide relative to each other and rotate together with the driving sleeve 5c, and the elastic member 7 is disposed in the driving sleeve 5c and acts on the front section and the rear section of the driving screw 5.

The clamping piece 8 can slide left and right, is plate-shaped and is obliquely arranged to be matched with the thread groove 51, and the clamping piece 8 is provided with a small hole part 81 and a large hole part 82 which are communicated with each other; under the working state of rotating and juicing the transmission screw 5, the transmission screw 5 passes through the small hole part 81, and the hole wall of the small hole part 81 is clamped into the thread groove 51 of the transmission screw 5 to realize thread matching; when the drive screw 5 moves backward, the drive screw 5 can pass through the large hole 82 and the hole wall of the large hole 82 cannot be caught in the thread groove 51 of the drive screw rod 5. The small hole part 81 is an arc-shaped clamping groove, the large hole part 82 is a rectangular hole, and the arc-shaped clamping groove is positioned on the side wall of the rectangular hole.

One end of the clamping piece 8 is connected with a key 9 on the shell 1, and the other end of the clamping piece 8 is provided with a spring 10 which enables the clamping piece 8 to keep moving towards the key 9. A polished rod section 52 is provided on the drive screw 5 on the rear side of the dog member 8. The inner of the machine shell 1 is fixed with a shaft sleeve 13, the transmission screw 5 penetrates through the shaft sleeve 13, a mounting box 14 is further fixed in the machine shell 1, the key 9, the clamping piece 8 and the spring 10 are all arranged in the mounting box 14, the shaft sleeve 13 penetrates through the mounting box 14, and the shaft sleeve 13 is provided with a notch 131 for the clamping piece 8 to enter.

The working principle and the process of the juicer are as follows.

The juicing process comprises the following steps: the juice glass is put into the machine shell 1 through the glass inlet 11, the lock catch 35 is released, the juice extracting cover 3 is turned downwards and opened, as shown in figure 1, the juice extracting head 2 is at the position exposed from the front opening 12, the fruit (orange, tangerine and lemon) is cut into half and half, and the surface with the pulp is hung on the inserted link 22. As shown in fig. 2 and 3, the lid 3 is closed and the latch 35 locks the lid 3 in the closed position. Then, the key 9 is pressed, the clamping piece 8 moves, the transmission screw 5 penetrates through the large hole part 82, the hole wall of the large hole part 82 cannot be clamped into the thread groove 51 of the transmission screw 5, and at the moment, the juicing head 2 can be quickly retracted to the initial position along with the transmission screw 5, as shown in fig. 8; after releasing the hand, the fastener 8 is reset under the action of the spring 10, the transmission screw 5 passes through the small hole part 81, and the hole wall of the small hole part 81 is clamped into the thread groove 51 of the transmission screw 5 to realize thread matching, as shown in fig. 7. The rocking handle 6 is rotated to drive the juicing head 2 to rotate along with the transmission screw 5, under the screw thread matching action of the clamping piece 8 and the thread groove 51 of the transmission screw 5, the juicing head 2 moves forwards along with the transmission screw 5 while rotating, when fruit peel is buckled by the clamping lugs 33 on the inner convex rib 32 and the transition convex rib 34, the fruit cannot easily rotate, at the moment, the juicing head 2 can rotate and stir in fruit pulp, and in combination with the forward movement of the juicing head 2, the fruit is squeezed by the squeezing forces of the juicing cover 3 and the juicing head 2 at the same time, as shown in figures 2, 3 and 8; the fruit is squeezed while stirring, so that the juice is squeezed more fully, and the juice yield is high. Juice is guided into the juice glass 4 in the housing 1 via the drainage surface 37, and after completion, the juice glass is taken out from the glass inlet 11, as shown in fig. 9.

The juicing path of the juicer is transversely arranged, and a labor-saving lever is formed between the rocking handle 6 and the transmission screw 5, so that the juicing operation is labor-saving.

If the extrusion force is too large, the juicing head 2 overcomes the elasticity of the elastic component 7 and moves backwards and retracts relative to the transmission screw 5, at the moment, the juicing head 2 cannot forcibly move forwards to extrude the juicing cover 3, the hard extrusion between the juicing head 2 and the juicing cover 3 under the action of large extrusion force is avoided, the juicing cover is prevented from being broken by expansion, the extrusion force is continuously increased, and the operation is more light and labor-saving; when the juice extracting head continues to rotate to stir the pulp and consume a part of the pulp and overcome certain resistance, the juice extracting head can continue to move forwards to extrude the fruit and the juice extracting cover, and when the clamping piece 8 contacts the polished rod section 52 of the transmission screw rod, the juice extracting head 2 can not move forwards any more and can not extrude the juice extracting cover any more, thereby playing a role of safety protection.

After juicing is finished, the lock catch 35 is released, the juicing cover 3 is turned downwards and opened, the end part of the inserted link 22 passes through the sliding grooves and 321 between the two adjacent inner convex ribs 32 and slides out of the sliding groove 321, and the fruit peel hung on the inserted link 22 is taken out, so that juicing is finished.

It should be noted that in the description of the present embodiment, the terms "front, back", "left, right", "inside, outside", "up, down", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims (10)

1. A juicer comprises a casing (1), a juicing head (2), a juicing cover (3) and a transmission screw (5) which can rotate around the axis of the juicing head and can move back and forth, wherein the transmission screw (5) is connected with the juicing head (2), the juicing cover (3) is provided with a concave juicing cavity (31), and the juicing head (2) can be accommodated in the juicing cavity (31); the method is characterized in that: the clamping piece (8) capable of sliding left and right is further included, and the clamping piece (8) is provided with a small hole part (81) and a large hole part (82) which are communicated with each other; under the working state that the transmission screw (5) rotates to squeeze juice, the transmission screw (5) penetrates through the small hole part (81), and the hole wall of the small hole part (81) is clamped into the thread groove (51) of the transmission screw (5) to realize thread matching; when the transmission screw rod (5) moves backwards, the transmission screw rod (5) can pass through the large hole part (82) and the hole wall of the large hole part (82) can not be clamped into the thread groove (51) of the transmission screw rod (5).

2. The juicer of claim 1, wherein: one end of the clamping piece (8) is connected with a key (9) on the shell (1), and the other end of the clamping piece (8) is provided with a spring (10) which enables the clamping piece (8) to keep moving towards the key (9).

3. The juicer of claim 1, wherein: the caliber of the large hole part (82) is larger than the outer diameter of the transmission screw, and the caliber of the small hole part (81) is smaller than the outer diameter of the transmission screw.

4. The juicer of claim 1, wherein: the small hole part (81) is an arc-shaped clamping groove, and the large hole part (82) is a rectangular hole.

5. The juicer of claim 4, wherein: the arc-shaped clamping groove is located on the side wall of the rectangular hole.

6. The juicer of claim 2, wherein: the spring (10) keeps the small hole part (81) clamped in the thread groove (51) of the transmission screw rod to form the thread fit; pressing the key causes the thread groove (51) of the drive screw to disengage from the small hole portion (81) and enter the large hole portion (82).

7. The juicer of claim 2, wherein: a mounting box (14) is further fixed in the machine shell (1), and the key (9), the clamping piece (8) and the spring (10) are all arranged in the mounting box (14).

8. The juicer of claim 7, wherein: the motor shell (1) is internally fixed with a shaft sleeve (13), a transmission screw (5) penetrates through the shaft sleeve (13), the shaft sleeve (13) penetrates through a mounting box (14), and a notch (131) for the clamping piece (8) to enter is formed in the shaft sleeve (13).

9. The juicer of claim 1, wherein: a screw section (52) is arranged on the drive screw (5) at the rear side of the clamping piece (8).

10. The juicer of claim 1, wherein: a shaft sleeve (13) is fixed in the machine shell (1), and a transmission screw (5) penetrates through the shaft sleeve (13).

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