A stirring mechanism and a stirrer

Abstract

The utility model relates to food appliance technical field especially, it is a kind of stirring mechanism and stirrer. Stirring mechanism includes planetary gear assembly, anti suction cover, stirring knife, shaft body and the hollow shaft being equipped with first through-hole;Anti suction cover includes the installation part being equipped with second through-hole and the multiple turbulence parts of circumferential interval connection installation part, each turbulence part is equipped with one turbulence convex rib;One end of hollow shaft connects the gear ring or planet carrier of planetary gear assembly, and the other end of hollow shaft is detachably connected installation part;All turbulence convex rib is towards the end away from hollow shaft;One end of shaft body connects the sun gear of planetary gear assembly, and the other end of shaft body sequentially passes through first through-hole and second through-hole and is detachably connected stirring knife. In the utility model, the rotation speed of anti suction cover and stirring knife is different, anti suction cover can disturb the vacuum area between the stirring mechanism and measuring cup, avoid the bottom of the stirring mechanism to be adsorbed in the bottom of measuring cup, and can improve the stirring efficiency of food.

Description

Technical Field

[0001] This utility model relates to the field of food processing equipment technology, and in particular to a stirring mechanism and agitator. Background Technology

[0002] Blenders are widely used in household life. They can be used to make fruit purees, meat purees, etc. The blending head is an important component of the blender. Its main function is to cut food into small pieces during rotation for further processing or consumption. Traditional blending heads usually consist of a fixed blade and a tube. The blade is installed at the bottom of the tube and cuts food by high-speed rotation.

[0003] In existing technology, the bottom of the stirring head's tube cover usually only has one blade. During the high-speed rotation of the blade, a vacuum-like area is formed between the metal tube cover and the measuring cup, which can cause the stirring head and the measuring cup to stick together. In extreme cases, the measuring cup will detach from the table along with the stirring head. If the button is released during this process, the vacuum area disappears, and the measuring cup will fall off. The user experience at this time is very poor. Summary of the Invention

[0004] This utility model provides a stirring mechanism and a stirrer to solve the technical problem in the prior art where a vacuum area is easily formed between the blade of the stirring head and the measuring cup during the rotation process.

[0005] An embodiment of the present invention provides a stirring mechanism, including a planetary gear assembly, an anti-sucking cover, a stirring blade, a shaft, and a hollow shaft with a first through hole; The anti-sucking cover includes a mounting part with a second through hole and a plurality of circumferentially spaced baffles connected to the mounting part, each of the baffles having a baffle rib. One end of the hollow shaft is connected to the gear ring or planet carrier of the planetary gear assembly, and the other end of the hollow shaft is detachably connected to the mounting part; all the turbulence ribs face away from the end of the hollow shaft. One end of the shaft is connected to the sun gear of the planetary gear assembly, and the other end of the shaft passes through the first through hole and the second through hole in sequence and can be detachably connected to the stirring blade.

[0006] Optionally, the stirring mechanism further includes a first bearing, a second bearing, a gearbox, a housing, and an inner tube with a first through hole; the shaft is rotatably mounted in the first through hole via the first bearing, and the hollow shaft is rotatably mounted in the first through hole via the second bearing; The outer shell is provided with a first receiving hole, a second inner through hole and a second receiving hole connected in sequence; the planetary gear assembly is installed in the gearbox and the gearbox is installed in the first receiving hole; the inner tube is installed in the second inner through hole, and the stirring blade and the anti-sucking cover are both located in the second receiving hole.

[0007] Optionally, the gearbox includes a first cylinder and a second cylinder arranged coaxially, the planetary gear assembly is installed in the first inner hole of the first cylinder, and the end of the inner tube away from the anti-sucking cover is inserted into the second inner hole of the second cylinder; The outer diameter of the first cylinder is larger than the outer diameter of the second cylinder. An annular step is provided between the first cylinder and the second cylinder. A first annular protrusion is provided on the inner wall of the first receiving hole. The first annular protrusion abuts against the annular step. The inner wall of the second receiving hole is provided with a second annular protrusion, and the end of the inner tube away from the gearbox abuts against the second annular protrusion.

[0008] Optionally, the stirring mechanism further includes a clutch and a cover with a third through hole. The cover is installed in the first receiving hole and is used to cover the first receiving hole. The end of the shaft away from the stirring blade passes through the third through hole and is connected to the clutch.

[0009] Optionally, the stirring mechanism further includes a first seal and a second seal; the first seal is installed in the first through hole and abuts against the first bearing, and the first seal is used to seal the end of the first through hole away from the planetary gear assembly; the second seal is installed in the first inner through hole and abuts against the second bearing, and the second seal is used to seal the end of the first inner through hole away from the planetary gear assembly.

[0010] Optionally, the hollow shaft has a plurality of circumferentially spaced protrusions at one end away from the planetary gear assembly, and the mounting portion has a plurality of circumferentially spaced insertion grooves; the insertion protrusions are detachably inserted into the insertion grooves one by one.

[0011] Optionally, the end of the shaft away from the planetary gear is provided with an external thread, and the stirring blade is provided with an internal thread hole; the external thread is detachably installed in the internal thread hole.

[0012] Optionally, the planetary gear assembly includes a sun gear, a ring gear, a planet carrier, and a plurality of planet gears, all of which are rotatably mounted on the planet carrier, all of which mesh with the internal teeth of the ring gear, and the sun gear meshes with all of the planet gears.

[0013] Optionally, the stirring mechanism further includes a rotary drive, the output end of which is connected to the end of the shaft away from the stirring blade.

[0014] Another embodiment of this utility model also provides a stirrer, including the stirring mechanism described above.

[0015] In this invention, one end of the hollow shaft is connected to the gear ring or planetary carrier of the planetary gear assembly, and the other end of the hollow shaft is detachably connected to the mounting part; all the turbulence-disrupting ribs face away from the end of the hollow shaft; one end of the shaft is connected to the sun gear of the planetary gear assembly, and the other end of the shaft passes through the first through hole and the second through hole in sequence and is detachably connected to the stirring blade. The anti-sucking cover and the stirring blade extend into the measuring cup. The shaft can drive the stirring blade to rotate inside the measuring cup, and the stirring blade can cut and stir the food in the measuring cup. The shaft can also drive the anti-sucking cover to rotate inside the measuring cup in sequence through the planetary gear assembly and the hollow shaft. The anti-sucking cover and the stirring blade rotate at different speeds. The anti-sucking cover can disrupt the vacuum area between the stirring mechanism and the measuring cup, preventing the bottom of the stirring mechanism from adhering to the bottom of the measuring cup. The differential rotation of the anti-sucking cover and the stirring blade can improve the stirring efficiency of the food. In addition, the bottom of the anti-sucking cover is provided with a downward-protruding turbulence rib. During the rotation of the anti-sucking cover, the turbulence rib can prevent the formation of eddies between the stirring mechanism and the measuring cup, further avoiding the vacuum area between the bottom of the stirring mechanism and the measuring cup. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the structure of a stirring mechanism provided in an embodiment of the present invention; Figure 2 This is an exploded cross-sectional view of a stirring mechanism provided in an embodiment of this utility model; Figure 3 This is a cross-sectional view of a stirring mechanism provided in an embodiment of the present invention; Figure 4 This is a schematic diagram of the anti-sucking cover of the stirring mechanism provided in one embodiment of the present invention; Figure 5 This is a schematic diagram of the structure of the stirring blade of the stirring mechanism provided in an embodiment of the present invention; Figure 6 This is a schematic diagram of the hollow shaft of the stirring mechanism provided in one embodiment of the present invention.

[0018] The reference numerals in the accompanying drawings are as follows: 1. Planetary gear assembly; 2. Anti-sucking cover; 21. Mounting part; 211. Second through hole; 22. Baffle part; 221. Baffle rib; 3. Stirring blade; 4. Shaft body; 5. Hollow shaft; 51. First through hole; 52. Insertion protrusion; 61. First bearing; 62. Second bearing; 63. First seal; 64. Second seal; 7. Gearbox; 71. First cylinder; 72. Second cylinder; 73. Annular step; 8. Outer shell; 81. First receiving hole; 82. Second inner through hole; 83. Second receiving hole; 84. First annular protrusion; 85. Second annular protrusion; 9. Inner tube; 91. First inner through hole; 11. Cover body; 111. Third through hole; 12. Clutch. Detailed Implementation

[0019] To make the technical problems solved, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0020] like Figures 1 to 5 As shown, an embodiment of the present invention provides a stirring mechanism, including a planetary gear assembly 1, an anti-sucking cover 2, a stirring blade 3, a shaft 4, and a hollow shaft 5 with a first through hole 51; The anti-sucking cover 2 includes a mounting part 21 with a second through hole 211 and a plurality of turbulence-disrupting parts 22 circumferentially spaced and connected to the mounting part 21. Each of the turbulence-disrupting parts 22 is provided with a turbulence-disrupting rib 221. One end of the hollow shaft 5 is connected to the gear ring or planet carrier of the planetary gear assembly 1, and the other end of the hollow shaft 5 is detachably connected to the mounting part 21; all the turbulence ribs 221 face away from the end of the hollow shaft 5. One end of the shaft 4 is connected to the sun gear of the planetary gear assembly 1, and the other end of the shaft 4 is detachably connected to the stirring blade 3 after passing through the first through hole 51 and the second through hole 211 in sequence.

[0021] The mounting part 21 and the turbulence-disrupting part 22 are integrally formed parts, and the turbulence-disrupting ribs 221 protrude downwards; the number of turbulence-disrupting parts 22 can be set according to actual needs, and the anti-suction cover 2 has no blades; the stirring blade 3 can be configured as a double-blade blade, a triple-blade blade, a quadruple-blade blade, etc., according to actual needs.

[0022] In this invention, one end of the hollow shaft 5 is connected to the gear ring or planet carrier of the planetary gear assembly 1, and the other end of the hollow shaft 5 is detachably connected to the mounting part 21; all the turbulence ribs 221 face away from the end of the hollow shaft 5; one end of the shaft body 4 is connected to the sun gear of the planetary gear assembly 1, and the other end of the shaft body 4 is detachably connected to the stirring blade 3 after passing through the first through hole 51 and the second through hole 211 in sequence. The anti-sucking cover 2 and the stirring blade 3 extend into the measuring cup. The shaft 4 can drive the stirring blade 3 to rotate inside the measuring cup. The stirring blade 3 can cut and stir the food in the measuring cup. The shaft 4 can also drive the anti-sucking cover 2 to rotate inside the measuring cup sequentially through the planetary gear assembly 1 and the hollow shaft 5. The anti-sucking cover 2 and the stirring blade 3 rotate at different speeds. The anti-sucking cover 2 can disrupt the vacuum area between the stirring mechanism and the measuring cup, preventing the bottom of the stirring mechanism from adhering to the bottom of the measuring cup. The differential rotation of the anti-sucking cover 2 and the stirring blade 3 can improve the stirring efficiency of the food. In addition, the bottom of the anti-sucking cover 2 is provided with a downward-protruding turbulence rib 221. During the rotation of the anti-sucking cover 2, the turbulence rib 221 can prevent the formation of eddies between the stirring mechanism and the measuring cup, further avoiding the vacuum area between the bottom of the stirring mechanism and the measuring cup.

[0023] Furthermore, when the hollow shaft 5 is connected to the gear ring of the planetary gear assembly 1, the rotation direction of the stirring blade 3 is opposite to the rotation direction of the anti-sucking cover 2; when the hollow shaft 5 is connected to the planet carrier of the planetary gear assembly 1, the rotation direction of the stirring blade 3 is the same as the rotation direction of the anti-sucking cover 2.

[0024] In one embodiment, such as Figure 2 and Figure 3 As shown, the stirring mechanism also includes a first bearing 61, a second bearing 62, a gearbox 7, a housing 8, and an inner tube 9 with a first inner through hole 91; the shaft 4 is rotatably mounted in the first through hole 51 via the first bearing 61, and the hollow shaft 5 is rotatably mounted in the first inner through hole 91 via the second bearing 62. The outer casing 8 is provided with a first receiving hole 81, a second inner through hole 82 and a second receiving hole 83 connected in sequence; the planetary gear assembly 1 is installed in the gearbox 7 and the gearbox 7 is installed in the first receiving hole 81; the inner tube 9 is installed in the second inner through hole 82, and the stirring blade 3 and the anti-sucking cover 2 are both located in the second receiving hole 83.

[0025] The first bearing 61 and the second bearing 62 include, but are not limited to, oil-impregnated bearings, and multiple versions of the first bearing 61 and the second bearing 62 can be provided according to actual needs. The inner diameter of the first receiving hole 81 is larger than the inner diameter of the second inner through hole 82, and the inner diameter of the second receiving hole 83 is larger than the inner diameter of the second inner through hole 82.

[0026] In this embodiment, the outer shell 8 can protect the stirring mechanism; the anti-sucking cover 2 and the stirring blade 3 both rotate in the second receiving hole 83 of the outer shell 8, and the outer shell 8 can prevent the food stirred by the stirring blade 3 from splashing; the anti-sucking cover 2 and the stirring blade 3 rotate at different speeds, and the anti-sucking cover 2 can disrupt the vacuum area between the bottom of the outer shell 8 and the measuring cup, preventing the bottom of the outer shell 8 from adhering to the bottom of the measuring cup.

[0027] In one embodiment, such as Figure 2 and Figure 3 As shown, the gearbox 7 includes a first cylindrical body 71 and a second cylindrical body 72 arranged coaxially. The planetary gear assembly 1 is installed in the first inner hole of the first cylindrical body 71, and the end of the inner tube 9 away from the anti-sucking cover 2 is inserted into the second inner hole of the second cylindrical body 72. The outer diameter of the first cylinder 71 is larger than the outer diameter of the second cylinder 72. An annular step 73 is provided between the first cylinder 71 and the second cylinder 72. A first annular protrusion 84 is provided on the inner wall of the first receiving hole 81. The first annular protrusion 84 abuts against the annular step 73. The inner wall of the second receiving hole 83 is provided with a second annular protrusion 85, and the end of the inner tube 9 away from the gearbox 7 abuts against the second annular protrusion 85.

[0028] Both the first cylindrical body 71 and the second cylindrical body 72 are integrally formed parts.

[0029] The disassembly steps of the stirring mechanism are as follows: First, remove the anti-sucking cover 2 from the hollow shaft 5 and remove the stirring blade 3 from the shaft body 4; then, remove the gearbox 7 and the planetary gear assembly 1 from above the first receiving hole 81; finally, remove the inner tube 9, the hollow shaft 5, and the shaft body 4 from inside the outer casing 8.

[0030] In this embodiment, the first annular protrusion 84 can support the gearbox 7 from above, and the second annular protrusion 85 can support the inner tube 9 from below. The stirring mechanism is easy to assemble and disassemble.

[0031] In one embodiment, such as Figure 2 and Figure 3As shown, the stirring mechanism also includes a clutch 12 and a cover 11 with a third through hole 111. The cover 11 is installed in the first receiving hole 81 and is used to cover the first receiving hole 81. The end of the shaft 4 away from the stirring blade 3 passes through the third through hole 111 and is connected to the clutch 12.

[0032] The cover 11 is interference-fitted into the first receiving hole 81, the top of the shaft 4 passes through the third through hole 111, and the clutch 12 is located in the receiving space of the cover 11.

[0033] In this embodiment, an external motor or the like can be connected to the shaft 4 via the clutch 12.

[0034] In one embodiment, such as Figure 2 and Figure 3 As shown, the stirring mechanism further includes a first seal 63 and a second seal 64; the first seal 63 is installed in the first through hole 51 and abuts against the first bearing 61, and the first seal 63 is used to seal the end of the first through hole 51 away from the planetary gear assembly 1; the second seal 64 is installed in the first inner through hole 91 and abuts against the second bearing 62, and the second seal 64 is used to seal the end of the first inner through hole 91 away from the planetary gear assembly 1.

[0035] The first sealing element 63 and the second sealing element 64 include, but are not limited to, oil seals.

[0036] In this embodiment, the first sealing member 63 can seal the first through hole 51 from the bottom, and the second sealing member 64 can seal the first inner through hole 91 from the bottom, preventing food, water, impurities, etc. from entering the interior of the stirring mechanism from the bottom, thus improving the sealing performance of the stirring mechanism and ensuring its cleanliness.

[0037] In one embodiment, such as Figure 6 As shown, the hollow shaft 5 has a plurality of circumferentially spaced insertion protrusions 52 at one end away from the planetary gear assembly 1, and the mounting part 21 has a plurality of circumferentially spaced insertion grooves (not shown in the figure); the insertion protrusions 52 are detachably inserted into the insertion grooves one by one.

[0038] The number of the insertion protrusions 52 and the insertion grooves can be set according to actual needs.

[0039] In this embodiment, the anti-sucking cover 2 is detachably mounted on the hollow shaft 5 by means of the insertion protrusion 52 inserted into the insertion groove, and the disassembly and assembly of the anti-sucking cover 2 and the hollow shaft 5 are convenient.

[0040] In one embodiment, such as Figure 2 and Figure 3 As shown, the end of the shaft 4 away from the planetary gear is provided with an external thread, and the stirring blade 3 is provided with an internal thread hole; the external thread is detachably installed in the internal thread hole.

[0041] The internal threaded hole is located in the middle of the stirring blade 3.

[0042] In this embodiment, the stirring blade 3 is detached and installed on the shaft 4 through the external threaded part and the internal threaded hole of the threaded connection, and the disassembly and assembly operation between the stirring blade 3 and the shaft 4 is convenient.

[0043] In one embodiment, the planetary gear assembly 1 includes a sun gear, a ring gear, a planet carrier, and a plurality of planet gears, all of which are rotatably mounted on the planet carrier and mesh with the internal teeth of the ring gear, and the sun gear meshes with all of the planet gears.

[0044] The number of planetary gears can be set according to actual needs.

[0045] In one embodiment, the stirring mechanism further includes a rotary drive (not shown in the figure), the output end of which is connected to the end of the shaft 4 away from the stirring blade 3.

[0046] The rotary drive component includes, but is not limited to, a motor, and is connected to the top of the shaft 4 via the clutch 12.

[0047] Another embodiment of this utility model also provides a stirrer, including the stirring mechanism described above.

[0048] The above-described embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model, and should all be included within the protection scope of this utility model.

Claims

1. A stirring mechanism, characterized in that, It includes a planetary gear assembly, an anti-sucking cover, a stirring blade, a shaft, and a hollow shaft with a first through hole; The anti-sucking cover includes a mounting part with a second through hole and a plurality of circumferentially spaced baffles connected to the mounting part, each of the baffles having a baffle rib. One end of the hollow shaft is connected to the gear ring or planet carrier of the planetary gear assembly, and the other end of the hollow shaft is detachably connected to the mounting part; all the turbulence ribs face away from the end of the hollow shaft. One end of the shaft is connected to the sun gear of the planetary gear assembly, and the other end of the shaft passes through the first through hole and the second through hole in sequence and can be detachably connected to the stirring blade.

2. The stirring mechanism according to claim 1, characterized in that, The stirring mechanism further includes a first bearing, a second bearing, a gearbox, a housing, and an inner tube with a first inner through hole; the shaft is rotatably mounted in the first through hole via the first bearing, and the hollow shaft is rotatably mounted in the first inner through hole via the second bearing; The outer shell is provided with a first receiving hole, a second inner through hole and a second receiving hole connected in sequence; the planetary gear assembly is installed in the gearbox and the gearbox is installed in the first receiving hole; the inner tube is installed in the second inner through hole, and the stirring blade and the anti-sucking cover are both located in the second receiving hole.

3. The stirring mechanism according to claim 2, characterized in that, The gearbox includes a first cylinder and a second cylinder arranged coaxially. The planetary gear assembly is installed in the first inner hole of the first cylinder, and the end of the inner tube away from the anti-sucking cover is inserted into the second inner hole of the second cylinder. The outer diameter of the first cylinder is larger than the outer diameter of the second cylinder. An annular step is provided between the first cylinder and the second cylinder. A first annular protrusion is provided on the inner wall of the first receiving hole. The first annular protrusion abuts against the annular step. The inner wall of the second receiving hole is provided with a second annular protrusion, and the end of the inner tube away from the gearbox abuts against the second annular protrusion.

4. The stirring mechanism according to claim 2, characterized in that, The stirring mechanism also includes a clutch and a cover with a third through hole. The cover is installed in the first receiving hole and is used to cover the first receiving hole. The end of the shaft away from the stirring blade passes through the third through hole and is connected to the clutch.

5. The stirring mechanism according to claim 2, characterized in that, The stirring mechanism further includes a first seal and a second seal; the first seal is installed in the first through hole and abuts against the first bearing, and the first seal is used to seal the end of the first through hole away from the planetary gear assembly; the second seal is installed in the first inner through hole and abuts against the second bearing, and the second seal is used to seal the end of the first inner through hole away from the planetary gear assembly.

6. The stirring mechanism according to claim 1, characterized in that, The hollow shaft has a plurality of circumferentially spaced protrusions at one end away from the planetary gear assembly, and the mounting part has a plurality of circumferentially spaced insertion grooves; the insertion protrusions are detachably inserted into the insertion grooves one by one.

7. The stirring mechanism according to claim 1, characterized in that, The shaft body has an external threaded portion at one end away from the planetary gear, and the stirring blade has an internal threaded hole; the external threaded portion can be detachably installed in the internal threaded hole.

8. The stirring mechanism according to claim 1, characterized in that, The planetary gear assembly includes a sun gear, a ring gear, a planet carrier, and multiple planet gears. All planet gears are rotatably mounted on the planet carrier, and all planet gears mesh with the internal teeth of the ring gear. The sun gear meshes with all planet gears.

9. The stirring mechanism according to claim 1, characterized in that, The stirring mechanism also includes a rotary drive component, the output end of which is connected to the end of the shaft away from the stirring blade.

10. A stirrer, characterized in that, Includes the stirring mechanism as described in any one of claims 1 to 9.

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