Handheld stirrer with double stirring knives

Abstract

The utility model relates to the technical field of handheld stirrers, in particular to a handheld stirrer with double stirring knives, which comprises a main machine provided with a driving device. The stirring rod device is detachably installed on the main machine, a cutter shaft and a gear box assembly are arranged in the stirring rod device, the first end of the cutter shaft is correspondingly connected with the driving device, the second end of the cutter shaft penetrates through the gear box assembly and then is provided with a first stirring cutter, a second stirring cutter is installed on the gear box assembly, and the cutter shaft is in transmission connection with the gear box assembly; when the driving device drives the cutter shaft to rotate, the cutter shaft drives the first stirring cutter and the second stirring cutter to coaxially and oppositely rotate, vortexes generated by the first stirring cutter and the second stirring cutter in the stirring process can be counteracted, then the stirring suction force is reduced, the operation hand feeling is improved, meanwhile, the first stirring cutter and the second stirring cutter coaxially and oppositely rotate to generate the shearing effect, and the stirring effect is improved. The stirring effect is further improved.

Description

Technical Field

[0001] This utility model relates to the field of handheld mixer technology, and specifically to a handheld mixer with dual mixing blades. Background Technology

[0002] Currently, the blades of traditional handheld blenders are typically single-layer or double-layer blades rotating in a single direction. For example, utility model patent CN218074649U discloses a blending structure with dual mixing, including a hollow mixing shroud with openings at both ends. Inside the shroud is a first mixing shaft that rotates relative to the shroud, with a first mixing blade at its lower part. A second mixing shaft is also located inside the shroud, with a second mixing blade at its lower part. The upper part of the shroud has a drive mechanism for rotating both the first and second mixing shafts. The second mixing shaft is hollow with openings at both ends, and the first mixing shaft passes through it from top to bottom. In operation, this prior art uses a drive mechanism inside the shroud to drive the first and second mixing shafts to rotate in the same direction, causing the first and second mixing blades on the first and second mixing shafts to rotate in the same direction. This structure requires high rotational speeds, and the resulting vortex creates strong suction during mixing, leading to poor mixing performance.

[0003] Therefore, there is still room for improvement in the existing technology. Utility Model Content

[0004] To address the problems of existing technologies, this invention provides a handheld mixer with dual mixing blades.

[0005] To achieve the above objectives, the technical solution applied in this utility model is as follows:

[0006] A handheld mixer with dual blades includes a main unit equipped with a drive unit and a stirring rod assembly detachably mounted on the main unit. The stirring rod assembly contains a blade shaft and a gearbox assembly. The first end of the blade shaft is connected to the drive unit, and the second end of the blade shaft passes through the gearbox assembly and is fitted with a first stirring blade. A second stirring blade is mounted on the gearbox assembly, and the blade shaft is drive-connected to the gearbox assembly. When the drive unit rotates the blade shaft, the blade shaft drives the first and second stirring blades to rotate coaxially and in opposite directions. This configuration, when the drive unit rotates the blade shaft, the blade shaft drives the first stirring blade to rotate, and simultaneously, the blade shaft, driven by the gearbox assembly, drives the second stirring blade to rotate. The coaxial and opposite rotation of the first and second stirring blades cancels out the vortices generated by the two blades during mixing, thereby reducing the mixing suction and improving the handling feel. Simultaneously, the coaxial and opposite rotation of the two blades creates a shearing effect, further enhancing the mixing effect.

[0007] According to the above scheme, the stirring rod device includes a stirring rod and a stirring cover. The stirring rod is detachably installed on the main unit, the stirring cover is installed on the stirring rod, the gearbox assembly is located between the stirring cover and the stirring rod, and the second stirring blade and the first stirring blade are located vertically inside the stirring cover, and the second stirring blade and the first stirring blade are coaxially arranged. This arrangement makes it easy to assemble and disassemble the stirring rod and the stirring cover, and facilitates subsequent cleaning.

[0008] According to the above scheme, the gearbox assembly is provided with gear 1, gear 2, gear 3, and gear 4 that are sequentially meshed. Gear 1 is fixed on the outer circle of the cutter shaft, and gear 4 is rotatably sleeved on the outer circle of the cutter shaft. Gear 4 is fixedly connected to the stirring blade 2. With this configuration, when the drive device drives the cutter shaft to rotate in the forward direction, the cutter shaft drives gear 1 to rotate in the forward direction. When gear 1 rotates in the forward direction, it drives gear 2 to rotate in the reverse direction. When gear 2 rotates in the reverse direction, it drives gear 3 to rotate in the forward direction. When gear 3 rotates in the forward direction, it drives gear 4 and the stirring blade 2 to rotate in the reverse direction, thus achieving the purpose of coaxial and opposite rotation of the stirring blade 2 and the stirring blade.

[0009] According to the above scheme, gear one and gear four are positioned vertically at an interval on the outer circumference of the cutter shaft. A clamp one for limiting gear one and a clamp two for limiting gear four are fixed on the outer circumference of the cutter shaft. This arrangement, by limiting gear one and gear four respectively through clamp one and clamp two, prevents gear one and gear four from shifting vertically when the cutter shaft rotates, thereby ensuring a more reliable meshing connection between gear one, gear two, gear three, and gear four.

[0010] According to the above scheme, the fourth gear is provided with an external threaded post, and the second stirring blade is provided with an internal threaded hole. The external threaded post and the internal threaded hole are threadedly connected. This arrangement makes it convenient to assemble and disassemble the fourth gear and the second stirring blade.

[0011] According to the above scheme, the gearbox assembly includes an upper gear cover and a lower gear cover, which are fixedly connected. The upper gear cover is provided with a bearing that cooperates with the cutter shaft.

[0012] According to the above scheme, the stirring cover is provided with a bearing 2 and a sealing ring 2 that cooperate with the stirring blade 2.

[0013] According to the above scheme, the gear four is provided with a bearing three that cooperates with the cutter shaft and a sealing ring three.

[0014] According to the above scheme, a sealing ring is provided between the stirring cover and the stirring rod.

[0015] According to the above scheme, the main unit is screwed with a connector one, the stirring rod is detachably installed on the connector one, the driving device includes a motor, a connector two is fixed on the drive shaft of the motor, a connector three is fixed on the first end of the blade shaft, and the connector three is coupled to the connector two.

[0016] The beneficial effects of this utility model are:

[0017] This invention is configured such that when the drive device drives the cutter shaft to rotate, the cutter shaft drives the first stirring blade to rotate. At the same time, the cutter shaft and the gearbox assembly drive the second stirring blade to rotate. The first and second stirring blades rotate in opposite directions on the same axis, which can cancel out the vortices generated by the first and second stirring blades during stirring, thereby reducing the stirring suction and improving the operating feel. At the same time, the first and second stirring blades rotate in opposite directions on the same axis to produce a shearing effect, further improving the stirring effect. Attached Figure Description

[0018] Figure 1 This is a schematic cross-sectional view of the overall structure of this utility model;

[0019] Figure 2 yes Figure 1 Enlarged view of position A in the middle;

[0020] Figure 3 This is a schematic diagram of the assembly of the cutter shaft, gear, and stirring blade of this utility model;

[0021] Figure 4 yes Figure 3 Enlarged view of position B in the middle;

[0022] Figure 5 This is an exploded view of the overall structure of this utility model;

[0023] Figure 6 This is an exploded view of the gear four and the stirring blade of this utility model.

[0024] In the picture:

[0025] 1. Main unit; 11. Connector 1; 12. Motor; 13. Connector 2; 2. Stirring rod device; 3. Stirring rod; 31. Connector 3; 32. Cutter shaft; 33. Clamp 1; 34. Clamp 2; 4. Stirring cover; 41. Gear upper cover; 42. Bearing 1; 43. Gear 1; 44. Gear 2; 45. Gear 3; 46. Gear 4; 461. External threaded column; 47. Gear lower cover; 48. Sealing ring 1; 49. Bearing 2; 410. Bearing 3; 411. Sealing ring 2; 412. Sealing ring 3; 51. Stirring blade 1; 52. Stirring blade 2; 521. Internal threaded hole. Detailed Implementation

[0026] The technical solution of this utility model will be described below with reference to the accompanying drawings and embodiments.

[0027] like Figures 1 to 6As shown, the present invention discloses a handheld mixer with dual mixing blades, comprising a main unit 1, on which a drive device is provided; and a mixing rod device 2, which is detachably mounted on the main unit 1. The mixing rod device 2 contains a blade shaft 32 and a gearbox assembly. The first end of the blade shaft 32 is connected to the drive device, and the second end of the blade shaft 32 passes through the gearbox assembly and is fitted with a first mixing blade 51. A second mixing blade 52 is mounted on the gearbox assembly, and the blade shaft 32 is connected to the gearbox assembly in a transmission connection. When the drive device drives the blade shaft 32 to rotate, the blade shaft 32 drives the first mixing blade 51 and the second mixing blade 52 to rotate coaxially and in opposite directions. This configuration includes a blade shaft 32 for mounting a first stirring blade 51 and a gearbox assembly for mounting a second stirring blade 52 within the stirring rod device 2. The blade shaft 32 is connected to the gearbox assembly for transmission. When the drive device drives the blade shaft 32 to rotate, the blade shaft 32 drives the first stirring blade 51 to rotate. Simultaneously, the blade shaft 32 and the gearbox assembly drive the second stirring blade 52 to rotate. The first stirring blade 51 and the second stirring blade 52 rotate in opposite directions on the same axis, which cancels out the vortices generated by the first stirring blade 51 and the second stirring blade 52 during stirring, thereby reducing the stirring suction and improving the operating feel. At the same time, the coaxial and opposite rotation of the first stirring blade 51 and the second stirring blade 52 produces a shearing effect, further improving the stirring effect.

[0028] The drive unit is mounted on the main unit 1, which saves installation space for the stirring rod device 2 and facilitates subsequent cleaning of the stirring rod device 2.

[0029] Furthermore, the stirring rod device 2 includes a stirring rod 3 and a stirring cover 4. The stirring rod 3 is detachably mounted on the main unit 1, and the stirring cover 4 is mounted on the stirring rod 3. The gearbox assembly is located between the stirring cover 4 and the stirring rod 3. The second stirring blade 52 and the first stirring blade 51 are positioned vertically inside the stirring cover 4, and the second stirring blade 52 and the first stirring blade 51 are coaxially arranged. This arrangement makes it easy to assemble and disassemble the stirring rod 3 and the stirring cover 4, and facilitates subsequent cleaning.

[0030] In practical applications, the stirring rod 3 has a flared hole formed at one end near the stirring cover 4. This flared hole, in conjunction with the stirring cover 4, can be used to limit the upper and lower ends of the gearbox assembly, so that the gearbox assembly is fixed between the stirring cover 4 and the stirring rod 3.

[0031] Furthermore, the gearbox assembly contains gears 43, 44, 45, and 46 that are sequentially meshed together. Gear 43 is fixed to the outer circumference of the cutter shaft 32, and gear 46 is rotatably mounted on the outer circumference of the cutter shaft 32. Gear 46 is fixedly connected to the stirring blade 52. With this configuration, when the drive device drives the cutter shaft 32 to rotate forward, the cutter shaft 32 drives gear 43 to rotate forward. When gear 43 rotates forward, it drives gear 44 to rotate in the opposite direction. When gear 44 rotates in the opposite direction, it drives gear 45 to rotate forward. When gear 45 rotates forward, it drives gear 46 and the stirring blade 52 to rotate in the opposite direction, thus achieving the purpose of coaxial and opposite rotation of the stirring blade 51 and the stirring blade 52.

[0032] Furthermore, gear 43 and gear 46 are positioned vertically at an interval on the outer circumference of the cutter shaft 32. A clamp 33 for limiting gear 43 and a clamp 34 for limiting gear 46 are fixed to the outer circumference of the cutter shaft 32. This arrangement, by limiting gear 43 and gear 46 respectively through clamps 33 and 34, prevents gear 43 and gear 46 from vertically displacing when the cutter shaft 3 rotates, thereby ensuring a more reliable meshing connection between gears 43, 44, 45, and 46.

[0033] Furthermore, the gear 46 is provided with an external threaded post 461, and the stirring blade 52 is provided with an internal threaded hole 521. The external threaded post 461 and the internal threaded hole 521 are threadedly connected. This arrangement makes it convenient to assemble and disassemble the gear 46 and the stirring blade 52.

[0034] Furthermore, the gearbox assembly includes an upper gear cover 41 and a lower gear cover 47, which are fixedly connected. The upper gear cover 41 is provided with a bearing 42 that cooperates with the cutter shaft 32.

[0035] Furthermore, the stirring cover 4 is provided with a bearing 49 that cooperates with the stirring blade 52 and a sealing ring 411.

[0036] In practical applications, the upper end of the gear 46 is located inside the gearbox assembly, and the lower end extends out of the gearbox assembly and is threadedly connected to the upper end of the stirring blade 52; the upper end of the stirring blade 52 is rotatably located inside the bearing 49 on the stirring cover 4, and the lower end is located inside the stirring cover 4.

[0037] Furthermore, the gear 46 is provided with a bearing 410 and a sealing ring 412 that cooperate with the cutter shaft 32.

[0038] Furthermore, a sealing ring 48 is provided between the stirring cover 4 and the stirring rod 3.

[0039] Furthermore, the host 1 is screwed with a connector 11, the stirring rod 3 is detachably mounted on the connector 11, the driving device includes a motor 12, a connector 2 13 is fixed on the drive shaft of the motor 12, and a connector 31 is fixed at the first end of the blade shaft 32. The connector 31 and the connector 2 13 are coupled together.

[0040] The bearing ensures smoother rotation, while the sealing ring provides a waterproof seal.

[0041] The embodiments of the present utility model have been described above with reference to the accompanying drawings. However, the present utility model is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of the present utility model without departing from the spirit and scope of the claims, and all of these forms are within the scope of protection of the present utility model.

Claims

1. A handheld mixer with dual mixing blades, characterized in that, include: A host (1) is provided with a drive device; A stirring rod device (2) is detachably installed on the host (1). The stirring rod device (2) is provided with a cutter shaft (32) and a gearbox assembly. The first end of the cutter shaft (32) is connected to the drive device. The second end of the cutter shaft (32) passes through the gearbox assembly and is equipped with a first stirring blade (51). The gearbox assembly is equipped with a second stirring blade (52). The cutter shaft (32) is connected to the gearbox assembly in a transmission manner. When the drive device drives the blade shaft (32) to rotate, the blade shaft (32) drives the stirring blade one (51) and the stirring blade two (52) to rotate in opposite directions on the same axis.

2. A handheld mixer with double mixing blades according to claim 1, characterized in that: The stirring rod device (2) includes a stirring rod (3) and a stirring cover (4). The stirring rod (3) is detachably installed on the main unit (1). The stirring cover (4) is installed on the stirring rod (3). The gearbox assembly is located between the stirring cover (4) and the stirring rod (3). The second stirring blade (52) and the first stirring blade (51) are located vertically inside the stirring cover (4) and are coaxially arranged.

3. A handheld mixer with double mixing blades according to claim 2, characterized in that: The gearbox assembly is provided with gear one (43), gear two (44), gear three (45) and gear four (46) that are meshed together in sequence. Gear one (43) is fixed on the outer circle of the cutter shaft (32), and gear four (46) is rotatably sleeved on the outer circle of the cutter shaft (32). Gear four (46) is fixedly connected to the stirring blade two (52).

4. A handheld mixer with double mixing blades according to claim 3, characterized in that: The gear one (43) and gear four (46) are located on the outer circle of the cutter shaft (32) at an upper and lower interval. The outer circle of the cutter shaft (32) is fixed with a clamp one (33) for limiting gear one (43) and a clamp two (34) for limiting gear four (46).

5. A handheld mixer with double mixing blades according to claim 3, characterized in that: The gear four (46) is provided with an external threaded post (461), and the stirring blade two (52) is provided with an internal threaded hole (521). The external threaded post (461) and the internal threaded hole (521) are threadedly connected.

6. A handheld mixer with double mixing blades according to claim 3, characterized in that: The gearbox assembly includes an upper gear cover (41) and a lower gear cover (47), which are fixedly connected. The upper gear cover (41) is provided with a bearing (42) that cooperates with the cutter shaft (32).

7. A handheld mixer with double mixing blades according to claim 2, characterized in that: The stirring cover (4) is provided with a bearing (49) and a sealing ring (411) that are configured to cooperate with the stirring blade (52).

8. A handheld mixer with double mixing blades according to claim 3, characterized in that: The gear four (46) is provided with a bearing three (410) and a sealing ring three (412) that cooperate with the cutter shaft (32).

9. A handheld mixer with double mixing blades according to claim 2, characterized in that: A sealing ring (48) is provided between the stirring cover (4) and the stirring rod (3).

10. A handheld mixer with double mixing blades according to claim 2, characterized in that: The host (1) is screwed with a connector one (11), and the stirring rod (3) is detachably installed on the connector one (11); the driving device includes a motor (12), the drive shaft of the motor (12) is fixed with a connector two (13), the first end of the cutter shaft (32) is fixed with a connector three (31), and the connector three (31) is coupled to the connector two (13).

Images