Electric juicer with lifting knife mechanism

Abstract

The utility model relates to the technical field of juicing devices, and discloses an electric juicer with a lifting knife mechanism, which comprises a base and a cup body, the lifting knife mechanism is arranged on the base and comprises a knife rest component, a motor and a connecting shaft connected with the knife rest component, the knife rest component is arranged in the cup body, and the motor is arranged in the cup body. A first gear transmission part and a second gear transmission part are connected between a motor shaft of the motor and the connecting shaft, the motor shaft drives the connecting shaft to rotate through the first gear transmission part, the motor shaft drives the connecting shaft to rotate through the second gear transmission part and meanwhile ascends and descends in a reciprocating mode, and the connecting shaft is detachably connected with the tool rest assembly. The connecting shaft is connected with the knife rest assembly. According to the juicer, the motor, the first gear transmission part and the second gear transmission part drive the knife rest assembly to rotate and lift in a reciprocating mode at the same time, food stirring and juicing are more sufficient, the working efficiency is higher, the structure is simple, the production cost is low, the knife rest assembly is convenient to detach and wash, and the use experience is good.

Description

Technical Field

[0001] The utility model relates to the technical field of juice extracting devices, in particular to an electric juice extractor with a lifting blade mechanism. Background Art

[0002] Existing speed change components all have the effect of outputting different speeds, but when used in juicers or food processors, the juicer blades must be in full contact with the food to achieve a perfect crushing effect and a fully mixed food effect. Although the existing juicers or food processors have a structure that allows the blades to move up and down while rotating, the blade assembly and the gear box reduction assembly of the body are assembled into one body, which has a complex structure and high manufacturing cost. It is inconvenient to disassemble the blade assembly for cleaning after use, and the user experience is not good. In addition, in some existing juicers or food processors, the rotating shaft of the blade assembly is coaxially arranged with the motor shaft. This type of structure occupies more longitudinal height space, resulting in a higher longitudinal height of the juicer or food processor base. Sufficient longitudinal space must be reserved when in use, which is inconvenient to use and store in places with small longitudinal space, resulting in a poor user experience. Utility Model Content

[0003] In order to solve at least one aspect of the above problems, the present invention provides an electric juicer with a knife lifting mechanism, comprising: a machine base and a cup body, the machine base is provided with a knife lifting mechanism, the knife lifting mechanism comprises a knife holder assembly, a motor and a connecting shaft connected to the knife holder assembly, the knife holder assembly is placed in the cup body, a first gear transmission part and a second gear transmission part are connected between the motor shaft of the motor and the connecting shaft, the motor shaft drives the connecting shaft to rotate through the first gear transmission part, and the motor shaft drives the connecting shaft to reciprocate and rise and fall while rotating through the second gear transmission part, the connecting shaft and the knife holder assembly are detachably connected, and after the connecting shaft and the knife holder assembly are connected, the connecting shaft drives the knife holder assembly to rotate and rise and fall synchronously; the utility model drives the knife holder assembly to rotate and rise and fall reciprocally by the motor, the first gear transmission part and the second gear transmission part, so that food mixing and juicing are more sufficient, the work efficiency is higher, and the knife holder assembly is easy to disassemble and clean, and the user experience is good.

[0004] Optionally, a motor gear is provided on the motor shaft, and a double gear is connected to one side of the motor gear, and the double gear is driven to rotate by the motor gear. The first gear transmission part includes a first gear and a second gear that are meshed with each other. The first gear is formed on the double gear, and the second gear is connected to the connecting shaft and rotates synchronously. The axis of the connecting shaft is parallel to the axis of the motor shaft and does not overlap.

[0005] Optionally, the second gear transmission part includes a meshing third gear, a fourth gear and a rotating frame, the third gear is formed on the double gear, the motor gear is meshed with the first gear or the third gear, the second gear and the fourth gear are coaxially arranged, the rotating frame is connected to the fourth gear and rotates synchronously, a guide is provided on the connecting shaft, and a corrugated groove corresponding to the guide is provided on the rotating frame, and the corrugated groove is annular; there is a speed difference between the second gear and the fourth gear, so that the guide slides along the corrugated groove.

[0006] Optionally, the guide member is a guide column, and the guide member passes through the connecting shaft in a horizontal direction. Two corrugated grooves are symmetrically provided, and the two ends of the guide member fall into the two corrugated grooves respectively and slide.

[0007] Optionally, a mounting sleeve is provided on the inner side of the second gear, the mounting sleeve rotates synchronously with the second gear, and a guide groove is provided on the mounting sleeve along the vertical direction to slide with the guide member.

[0008] Optionally, the number of teeth of the first gear is smaller than the number of teeth of the second gear, the number of teeth of the third gear is smaller than the number of teeth of the fourth gear, the number of teeth of the motor gear is smaller than the number of teeth of the first gear and the number of teeth of the third gear, the tooth ratio of the first gear to the second gear is a first tooth ratio, the tooth ratio of the third gear to the fourth gear is a second tooth ratio, and the first tooth ratio is greater than or less than the second tooth ratio.

[0009] Optionally, the tool holder assembly includes a frame body and a blade connected to the frame body, the frame body is detachably connected to a rotating shaft, and the frame body rotates and rises and falls synchronously after being connected to the rotating shaft; the end of the rotating shaft away from the frame body is detachably connected to the connecting shaft, and the rotating shaft rotates and rises and falls synchronously after being connected to the connecting shaft.

[0010] Optionally, a first driving head is provided at the upper end of the rotating shaft, a first connecting sleeve corresponding to the first driving head is provided on the frame, a second driving head is provided at the upper end of the connecting shaft, and a second connecting sleeve corresponding to the second driving head is provided at the lower end of the rotating shaft.

[0011] Optionally, a mounting seat is provided on the cup body, and a compression spring is provided between the mounting seat and the second connecting sleeve.

[0012] Optionally, a rotation positioning column is provided on the upper part of the tool holder assembly, and a positioning groove corresponding to the rotation positioning column is provided on the cup body. The upper part of the rotation positioning column is rotated and placed in the positioning groove, and the upper part of the rotation positioning column can slide in the vertical direction in the positioning groove.

[0013] Compared with the prior art, the electric juicer with a knife lifting mechanism of the utility model drives the knife holder assembly to rotate and reciprocate while lifting through the motor, the first gear transmission part and the second gear transmission part, with a simple structure and low production cost; the blade contacts the food more fully, so that the food is stirred and the juice is squeezed more fully, the work efficiency is higher, and the knife holder assembly is easy to disassemble and clean, and the user experience is good; the axis of the connecting shaft is parallel to the axis of the motor shaft and does not overlap, which makes rational use of the space in the machine base. The connecting shaft can use the space on one side of the motor to lift and lower, so that the longitudinal height design of the machine base can be reduced, which is convenient for use and storage in places with narrow longitudinal space, and the user experience is good; the two ends of the guide member fall into the two corrugated grooves and slide respectively, so that the guide member slides smoothly along the corrugated groove, so that the connecting shaft and the knife holder assembly can be lifted and lowered smoothly; a compression spring is provided between the mounting seat and the second connecting sleeve, and the compression spring assists in driving the rotating shaft to rotate and lower, avoiding the problem of the rotating shaft being stuck and unable to lower; the upper part of the rotating positioning column is rotatably placed in the positioning groove, and the upper part of the rotating positioning column can slide in the vertical direction in the positioning groove, so that the movement of the knife holder assembly rotating and lifting is more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a three-dimensional diagram of the electric juicer with a knife lifting mechanism of the utility model;

[0015] Figure 2 This is a cross-sectional view of the electric juicer with a knife lifting mechanism according to the present invention;

[0016] Figure 3 for Figure 2 Enlarged view of part A in the middle;

[0017] Figure 4 for Figure 2 Enlarged view of middle part B;

[0018] Figure 5 for Figure 2 Enlarged view of the middle C section;

[0019] Figure 6 This is a structural diagram of the frame portion of the electric juicer with a knife lifting mechanism of the present utility model;

[0020] Figure 7 This is a schematic structural diagram of the double gear portion of the electric juicer with a knife lifting mechanism of the present utility model;

[0021] Figure 8 This is a structural diagram of the installation sleeve portion of the electric juicer with a lifting blade mechanism of the utility model;

[0022] Figure 9 This is a schematic structural diagram of the rotating frame portion of the electric juicer with a knife lifting mechanism of the present utility model;

[0023] Figure 10 This is an exploded view of the rotating frame portion of the electric juicer with a lifting blade mechanism of the present utility model;

[0024] Figure 11 This is a structural diagram of the first connecting sleeve of the electric juicer with a lifting blade mechanism of the utility model;

[0025] Figure 12 This is a structural diagram of the first driving head of the electric juicer with a lifting blade mechanism of the utility model;

[0026] 1 is a first gear, 2 is a second gear, 3 is a third gear, 4 is a fourth gear, 5 is a second gear, 6 is a second gear, 7 is a third gear, 8 is a fourth gear, 9 is a third gear, 10 is a fourth gear, 11 is a fifth gear, 12 is a fifth gear, 13 is a fifth gear, 14 is a fifth gear, 15 is a fifth gear, 16 is a fifth gear, 17 is a fifth gear, 18 is a fifth gear, 19 is a sixth gear, 20 is a sixth gear, 21 is a sixth gear, 22 is a sixth gear, 23 is a sixth gear, 24 is a sixth gear, 25 is a sixth gear, 26 is a sixth gear, 27 is a sixth gear, 28 is a sixth gear, 29 is a seventh gear, 30 is a seventh gear, 31 is a seventh gear, 32 is a seventh gear, 33 is a seventh gear, 34 is a seventh gear, 35 is a seventh gear, 36 is a seventh gear, 37 is a seventh gear, 38 is a seventh gear, 39 is a seventh gear, 40 is a seventh gear, 41 is a seventh gear, 42 is a seventh gear, 43 is a seventh gear, 44 is a seventh gear, DETAILED DESCRIPTION

[0027] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0028] In the description of the present invention, it should be understood that the terms "upper" and "lower" and the like indicate positions or location relationships based on the positions or location relationships during normal use of the product.

[0029] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features.

[0030] See Figures 1-12, the embodiment of the utility model provides an electric juicer with a knife lifting mechanism, comprising: a machine base 1 and a cup body 4, the machine base 1 is provided with a knife lifting mechanism, the knife lifting mechanism includes a knife holder assembly, a motor 2 and a connecting shaft 3 connected to the knife holder assembly, the knife holder assembly is placed in the cup body 4, and a first gear transmission part and a second gear transmission part are connected between the motor shaft 201 of the motor 2 and the connecting shaft 3. The gear transmission method has a simple and reliable structure and low production cost; the motor shaft 201 drives the connecting shaft 3 to rotate through the first gear transmission part, and the motor shaft 201 drives the connecting shaft 3 to reciprocate and lift while rotating through the second gear transmission part, and the connecting shaft 3 and the knife holder assembly are detachably connected. After the connecting shaft 3 and the knife holder assembly are connected, the connecting shaft 3 drives the knife holder assembly to rotate and lift synchronously; the utility model drives the knife holder assembly to rotate and lift reciprocally by the motor, the first gear transmission part and the second gear transmission part, so that food mixing and juicing are more sufficient, the work efficiency is higher, and the knife holder assembly is easy to disassemble and wash, and the user experience is good.

[0031] See Figures 1-4 A motor gear 202 is provided on the motor shaft 201, and a double gear 5 is connected to one side of the motor gear 202. The double gear 5 is driven to rotate by the motor gear 202. The first gear transmission part includes a first gear 61 and a second gear 62 that are meshed with each other. The first gear 61 is formed on the double gear 5, and the second gear 62 is connected to the connecting shaft 3 and rotates synchronously. The axis of the connecting shaft 3 is parallel to the axis of the motor shaft 201 and does not overlap. The space in the base 1 is reasonably utilized, and the connecting shaft 3 can be raised and lowered using the space on one side of the motor, so that the longitudinal height design of the base can be reduced, which is convenient for use and storage in places with narrow longitudinal space, and has a good user experience.

[0032] See Figure 2 、 Figure 3 、 Figure 4 、 Figure 7 and Figure 10The second gear transmission part includes a meshing third gear 63, a fourth gear 64 and a rotating frame 65. The lower part of the rotating frame 65 is connected to a bearing 10, so that the rotating frame 65 rotates smoothly. The third gear 63 is formed on the double gear 5. The first gear 61 and the third gear 63 are integrally formed. In this embodiment, the first gear 61 is formed on the upper side of the third gear 63 and is coaxially arranged; the motor gear 202 is meshed with the first gear 61 or the third gear 63. In this embodiment, the motor gear 202 is meshed with the third gear 63; the second gear 62 and the fourth gear 64 are coaxially arranged The rotating frame 65 is connected to the fourth gear 64 and rotates synchronously. A guide member 301 is provided on the connecting shaft 3, and a corrugated groove 651 corresponding to the guide member 301 is provided on the rotating frame 65, and the corrugated groove 651 is annular; there is a speed difference between the second gear 62 and the fourth gear 64, so that the guide member 301 slides along the corrugated groove 651; the rotating frame 65 includes a first rotating frame 652, a second rotating frame 653 and a third rotating frame 654 that are spliced ​​together, and the corrugated groove 651 is formed between the first rotating frame 652, the second rotating frame 653 and the third rotating frame 654.

[0033] See Figure 2 、 Figure 3 、 Figure 7 and Figure 8 The guide member 301 is a guide column. The guide member 301 passes through the connecting shaft 3 in the horizontal direction. Two corrugated grooves 651 are symmetrically provided. The two ends of the guide member 301 fall into the two corrugated grooves 651 and slide, so that the guide member 301 slides smoothly along the corrugated groove 651, so that the connecting shaft 3 and the tool holder assembly can be lifted and lowered smoothly; a mounting sleeve 66 is provided on the inner side of the second gear 62, and the upper part of the mounting sleeve 66 is a regular polygon, specifically a regular hexagon. A regular polygonal groove corresponding to the upper part of the mounting sleeve 66 is provided on the inner side of the second gear 62, so that the mounting sleeve 66 and the second gear 62 rotate synchronously, and a guide groove 661 is provided on the mounting sleeve 66 in the vertical direction to slide with the guide member 301, so that the guide member 301 slides up and down along the guide member 301.

[0034] See Figure 1 The number of teeth of the first gear 61 is smaller than the number of teeth of the second gear 62, the number of teeth of the third gear 63 is smaller than the number of teeth of the fourth gear 64, the number of teeth of the motor gear 202 is smaller than both the number of teeth of the first gear 61 and the number of teeth of the third gear 63, the gear ratio of the first gear 61 to the second gear 62 is the first gear ratio, the gear ratio of the third gear 63 to the fourth gear 64 is the second gear ratio, the first gear ratio is greater than or less than the second gear ratio, and the speed of the motor gear 202 output to the speed of the connecting shaft 3 can be reduced in three stages.

[0035] See Figure 2 、 Figure 3 、 Figure 6 and Figure 7The blade holder assembly includes a frame body 71 and a blade 72 connected to the frame body 71. The blade is provided with two layers of different heights, which is convenient for chopping and stirring food at different heights in the cup body; a rotating shaft 73 is detachably connected to the frame body 71, and the frame body 71 and the rotating shaft 73 rotate and rise and fall synchronously after being connected; the end of the rotating shaft 73 away from the frame body 71 is detachably connected to the connecting shaft 3, and the rotating shaft 73 rotates and rises and falls synchronously after being connected to the connecting shaft 3.

[0036] See Figure 2 、 Figure 4 、 Figure 7 、 Figure 11 and Figure 12 , a first driving head 731 is provided at the upper end of the rotating shaft 73, a first connecting sleeve 711 corresponding to the first driving head 731 is provided on the frame 71, a limiting protrusion 7111 is provided on the inner side of the first connecting sleeve 711, and a limiting groove 7311 corresponding to the limiting protrusion 7111 is provided on the first driving head 731; a second driving head 302 is provided at the upper end of the connecting shaft 3, and a second connecting sleeve 732 corresponding to the second driving head 302 is provided at the lower end of the rotating shaft 73, and the sleeve connection structure of the second driving head 302 and the second connecting sleeve 732 is similar to the sleeve connection structure of the first driving head and the first connecting sleeve 711; the number of teeth and the speed of the relevant gears in this embodiment are: the motor shaft speed is 25000r / min; the motor gear: set to 1 2 teeth, double gear: the first gear has 15 teeth, and the third gear has 16 teeth; the second gear: set to 28 teeth, then the second gear speed is about 10045r / min; the fourth gear: set to 30 teeth, then the fourth gear speed is about 10000r / min; the speed difference between the second gear and the fourth gear is 10045-1000≈45r / min, so the connecting shaft 3 and the rotating shaft 73 have a speed of 10000r / min and an up and down cyclic motion frequency of 45r / min; a mounting seat 401 is provided on the cup body 4, and a compression spring 8 is provided between the mounting seat 401 and the second connecting sleeve 732, and the compression spring 8 assists in driving the rotating shaft 73 to rotate and descend, thereby avoiding the problem of the rotating shaft 73 being stuck and unable to descend.

[0037] See Figure 2 、 Figure 5 and Figure 6 A rotating positioning column 9 is provided on the upper part of the tool holder assembly, and a positioning groove 402 corresponding to the rotating positioning column 9 is provided on the cup body 4, and the positioning groove 402 is provided on the removable upper cover 41 of the cup body 4; the upper part of the rotating positioning column 9 is rotated and placed in the positioning groove 402, and the upper part of the rotating positioning column 9 can slide in the vertical direction in the positioning groove 402, so that the movement of the tool holder assembly while rotating and lifting is more stable.

[0038] The electric juicer with a knife lifting mechanism of the utility model drives the knife holder assembly to rotate and reciprocate and lift through the motor, the first gear transmission part and the second gear transmission part, has a simple structure and low production cost; the blade contacts the food more fully, so that the food is stirred and the juice is squeezed more fully, the working efficiency is higher, and the knife holder assembly is easy to disassemble and clean, and the user experience is good; the axis of the connecting shaft is parallel to the axis of the motor shaft and does not overlap, so the space in the machine base is reasonably utilized, and the connecting shaft can use the space on one side of the motor to be lifted and lowered, so that the longitudinal height design of the machine base can be reduced, which is convenient for use and storage in places with narrow longitudinal space, and the user experience is good; the two ends of the guide member fall into the two corrugated grooves respectively and slide, so that the guide member slides smoothly along the corrugated groove, so that the connecting shaft and the knife holder assembly are lifted and lowered smoothly; a compression spring is provided between the mounting seat and the second connecting sleeve, and the compression spring assists in driving the rotating shaft to rotate and lower, avoiding the problem that the rotating shaft is stuck and cannot be lowered; the upper part of the rotating positioning column is rotatably placed in the positioning groove, and the upper part of the rotating positioning column can slide in the vertical direction in the positioning groove, so that the movement of the knife holder assembly rotating and lifting is more stable.

[0039] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. An electric juicer with a lifting blade mechanism, characterized in that: include: A machine base (1) and a cup body (4); a knife lifting mechanism is provided on the machine base (1); the knife lifting mechanism comprises a knife holder assembly, a motor (2) and a connecting shaft (3) connected to the knife holder assembly; the knife holder assembly is placed in the cup body (4); a first gear transmission part and a second gear transmission part are connected between the motor shaft (201) of the motor (2) and the connecting shaft (3); the motor shaft (201) drives the connecting shaft (3) to rotate through the first gear transmission part; the motor shaft (201) drives the connecting shaft (3) to reciprocate and lift while rotating through the second gear transmission part; the connecting shaft (3) and the knife holder assembly are detachably connected; after the connecting shaft (3) and the knife holder assembly are connected, the connecting shaft (3) drives the knife holder assembly to rotate and lift synchronously.

2. The electric juicer with a knife lifting mechanism according to claim 1, characterized in that: A motor gear (202) is provided on the motor shaft (201), and a double gear (5) is connected to one side of the motor gear (202). The double gear (5) is driven to rotate by the motor gear (202). The first gear transmission part includes a first gear (61) and a second gear (62) that are meshed with each other. The first gear (61) is formed on the double gear (5), and the second gear (62) is connected to the connecting shaft (3) and rotates synchronously. The axis of the connecting shaft (3) is parallel to the axis of the motor shaft (201) and does not overlap.

3. The electric juicer with a knife lifting mechanism according to claim 2, characterized in that: The second gear transmission part comprises a meshing third gear (63), a fourth gear (64) and a rotating frame (65); the third gear (63) is formed on the double gear (5); the motor gear (202) meshes with the first gear (61) or the third gear (63); the second gear (62) and the fourth gear (64) are coaxially arranged; the rotating frame (65) is connected to the fourth gear (64) and rotates synchronously; a guide member (301) is provided on the connecting shaft (3); a corrugated groove (651) corresponding to the guide member (301) is provided on the rotating frame (65); the corrugated groove (651) is annular; there is a speed difference between the second gear (62) and the fourth gear (64), so that the guide member (301) slides along the corrugated groove (651).

4. The electric juicer with a knife lifting mechanism according to claim 3, characterized in that: The guide member (301) is a guide column, and the guide member (301) passes through the connecting shaft (3) in the horizontal direction. Two wave-shaped grooves (651) are symmetrically provided, and the two ends of the guide member (301) respectively fall into the two wave-shaped grooves (651) and slide.

5. The electric juicer with a knife lifting mechanism according to claim 3, characterized in that: A mounting sleeve (66) is provided inside the second gear (62), and the mounting sleeve (66) rotates synchronously with the second gear (62). A guide groove (661) is provided on the mounting sleeve (66) in a vertical direction and is slidably matched with the guide member (301).

6. The electric juicer with a knife lifting mechanism according to claim 3, characterized in that: The number of teeth of the first gear (61) is smaller than the number of teeth of the second gear (62), the number of teeth of the third gear (63) is smaller than the number of teeth of the fourth gear (64), the number of teeth of the motor gear (202) is smaller than both the number of teeth of the first gear (61) and the number of teeth of the third gear (63), the tooth ratio of the first gear (61) to the second gear (62) is a first tooth ratio, the tooth ratio of the third gear (63) to the fourth gear (64) is a second tooth ratio, and the first tooth ratio is greater than or less than the second tooth ratio.

7. The electric juicer with a knife lifting mechanism according to claim 3, characterized in that: The blade holder assembly comprises a frame body (71) and a blade (72) connected to the frame body (71); a rotating shaft (73) is detachably connected to the frame body (71); the frame body (71) and the rotating shaft (73) rotate and rise and fall synchronously after being connected; an end of the rotating shaft (73) away from the frame body (71) is detachably connected to the connecting shaft (3); the rotating shaft (73) and the connecting shaft (3) rotate and rise and fall synchronously after being connected.

8. The electric juicer with a knife lifting mechanism according to claim 7, characterized in that: A first driving head (731) is provided at the upper end of the rotating shaft (73), a first connecting sleeve (711) correspondingly sleeved with the first driving head (731) is provided on the frame (71), a second driving head (302) is provided at the upper end of the connecting shaft (3), and a second connecting sleeve (732) correspondingly sleeved with the second driving head (302) is provided at the lower end of the rotating shaft (73).

9. The electric juicer with a knife lifting mechanism according to claim 8, characterized in that: A mounting seat (401) is provided on the cup body (4), and a compression spring (8) is provided between the mounting seat (401) and the second connecting sleeve (732).

10. The electric juicer with a knife lifting mechanism according to any one of claims 1 to 9, characterized in that: A rotational positioning column (9) is provided on the upper portion of the tool holder assembly, and a positioning groove (402) corresponding to the rotational positioning column (9) is provided on the cup body (4). The upper portion of the rotational positioning column (9) is rotated and placed in the positioning groove (402), and the upper portion of the rotational positioning column (9) can slide in the vertical direction in the positioning groove (402).

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