A gear driven blender assembly

Abstract

This utility model discloses a gear-driven mixer assembly, including a tank cover, a stirring device disposed below the tank cover, a motor disposed on the tank cover, and a protection device connected to the output end of the motor. The protection device includes a connecting sleeve, a connecting rod, a connecting groove, a control sleeve, a push block, a push spring, a mating sleeve, a sliding block, a connecting frame, and a sliding groove. The connecting groove is located on the outside of the connecting rod. The push block is connected to the sliding block via the push spring. The mating sleeve is connected to the control sleeve via threads. The connecting frame is disposed on one side of the push block. The sliding groove is located on the inside of the connecting sleeve. A positioning mechanism is disposed on the outside of the connecting sleeve. The positioning mechanism includes a reset plate, a positioning sleeve, a reset rod, a fixing block, a reset spring, a reset hole, and a reset block. The reset rod is connected to one side of the positioning sleeve. The two ends of the reset spring are connected to the fixing block and the reset block. The reset hole is located on the reset plate. This utility model can achieve uniform stirring, has a reliable and flexible protection mechanism, and has a stable structure.

Description

Technical Field

[0001] This utility model relates to the field of mixer assembly technology, and more specifically, to a gear-driven mixer assembly. Background Technology

[0002] In industrial production and food processing, gear-driven mixer assemblies are key mixing equipment whose performance and reliability directly affect product quality and production efficiency. However, existing mixer technology faces a series of serious technical challenges in practical applications.

[0003] First, traditional mixer designs generally employ a single mixing frame structure. This simple design easily creates stable vortices within the tank during mixing. This vortex phenomenon severely affects the uniformity and efficiency of mixing. Specifically, when a liquid or material forms a stable vortex in the tank, some areas of the material remain relatively still for an extended period, while other areas are over-stirred. This uneven mixing state not only fails to achieve the desired mixing effect but also significantly prolongs the entire mixing process. In some fine chemical or food processing fields, this uneven mixing can lead to unstable product quality and even affect the performance or taste of the final product. Furthermore, the extended mixing time not only reduces production efficiency but also increases energy consumption and production costs.

[0004] Secondly, existing mixers often experience problems such as damage to the mixing frame or motor overload when dealing with high-viscosity or non-uniform materials. This is mainly because traditional designs lack effective protection mechanisms. When the mixing frame encounters significant resistance, without timely protection measures, it may deform or break, and in severe cases, even burn out the motor. This not only leads to high maintenance costs but may also cause prolonged production line shutdowns, resulting in huge economic losses. More problematic is that different types of materials, due to their different characteristics (such as viscosity, density, hardness, particle size, etc.), require different levels of protection trigger thresholds. However, most existing equipment uses a single protection trigger mechanism, which cannot flexibly adapt to the needs of different materials. This may lead to two extreme situations: one is that the protection mechanism is too sensitive, triggering frequently during normal mixing, resulting in unnecessary shutdowns; the other is that the protection mechanism is not sensitive enough, failing to respond promptly to actual overload conditions, ultimately still leading to equipment damage. This "one-size-fits-all" protection method obviously cannot meet the needs of modern industrial production for precision and diversity.

[0005] Furthermore, while some improved mixers have introduced adjustable protection devices in an attempt to address the aforementioned issues, these designs often suffer from insufficient structural stability. These adjustable devices typically employ simple mechanical structures. In actual operation, mixers often require prolonged high-speed operation, generating continuous vibrations and strong centrifugal forces. Under these forces, simple adjustment structures are prone to loosening or displacement. This structural instability causes the originally carefully adjusted protection trigger mechanism to gradually deviate from its set value. This not only affects the mixing effect but may also pose safety hazards. For example, if the protection mechanism becomes overly sensitive, it may lead to frequent and unnecessary shutdowns; conversely, if it becomes insufficiently sensitive, it may fail to protect the equipment in critical moments. This instability severely impacts the reliability and production efficiency of the mixer, increasing the difficulty and frequency of equipment maintenance. Utility Model Content

[0006] (a) Technical problems to be solved In view of the problems existing in the prior art, the present invention provides a gear-driven mixer assembly to solve the technical problems mentioned in the background art.

[0007] (II) Technical Solution To achieve the above objectives, this utility model provides the following technical solution: a gear-driven mixer assembly, including a tank cover, a stirring device disposed below the tank cover, a motor detachably mounted on the tank cover, and a protective device connected to the output end of the motor. The protective device includes a connecting sleeve, a connecting rod, a connecting groove, a control sleeve, a push block, a push spring, a mating sleeve, a sliding block, a connecting frame, and a sliding groove. The connecting sleeve is connected to the motor output end, the connecting rod is disposed in the connecting sleeve, the connecting groove is formed on the outside of the connecting rod, the control sleeve is rotatably connected to one side of the connecting sleeve, the push block is connected to the sliding block via a push spring, and the outer wall of the mating sleeve is movable to the inner wall of the control sleeve via threads. The connection is as follows: the sliding block is slidably disposed in the sliding groove; the connecting frame is movably disposed on one side of the push block, and one end of the connecting frame is inserted into the connecting groove; the sliding groove is opened on the inner side of the connecting sleeve; a positioning mechanism is provided on the outer side of the connecting sleeve; the positioning mechanism includes a reset plate, a positioning sleeve, a reset rod, a fixing block, a reset spring, a reset hole, and a reset block; the reset plate is rotatably sleeved on the outer side of the connecting sleeve; the positioning sleeve is sleeved on the outer side of the connecting sleeve; the reset rod is connected to one side of the positioning sleeve; the fixing block is fixedly connected to the outer side of the connecting sleeve; both ends of the reset spring are connected to the fixing block and the reset block; the reset hole is opened on the reset plate; and the reset block is fixedly connected to one side of the reset plate.

[0008] The present invention is further configured such that the stirring device includes a driving wheel, a first driven wheel, a second driven wheel, a shaft, a bushing, and a tank body. The tank body is detachably disposed below the tank cover. The driving wheel is fixedly connected to one end of a connecting rod. The first driven wheel is fixedly connected to the outside of the shaft. The second driven wheel is fixedly connected to the outside of the bushing. The bushing is rotatably mounted on the tank cover. The shaft is rotatably mounted inside the bushing.

[0009] The present invention is further provided that a discharge pipe is fixedly connected to the bottom end of the tank.

[0010] The present invention is further configured such that blades are fixedly provided on the outer side of the shaft, and a stirring frame is fixedly provided below the bushing.

[0011] The present invention is further configured such that a spring is movably sleeved on the outside of the reset rod, the spring is connected to one side of the positioning sleeve, and the other end of the spring is in contact with the reset plate. The spring configuration further simplifies the operation process.

[0012] The present invention is further configured such that a plurality of positioning rods are slidably provided on the side wall of the control sleeve, a plurality of positioning grooves are provided on the outer wall of the connecting sleeve, a conical spring is provided on the outer side of the control sleeve, one end of the positioning rod is inserted into the positioning groove, and the other end of the positioning rod is connected to the outer wall of the control sleeve through the conical spring. The above components realize the precise positioning of the control sleeve.

[0013] The present invention is further configured such that a slider is fixedly provided on the inner side of the positioning sleeve, and a groove is provided on the outer side of the connecting sleeve. The slider is slidably disposed in the groove, and the slider and the groove provide a limiting and guiding function for the positioning sleeve.

[0014] The present invention is further configured such that a limiting groove is provided on the side wall of the connecting sleeve, and a limiting block is slidably provided in the limiting groove. The inner wall of the mating sleeve is fixedly connected by the limiting block and the sliding block. The setting of the limiting groove and the limiting block ensures the synchronous movement of the mating sleeve and the sliding block, and ensures adjustability.

[0015] (III) Beneficial Effects Compared with the prior art, the present invention provides a gear-driven mixer assembly, which has the following advantages: 1. The stirring device achieves counter-rotation of the blades and the stirring frame through a three-wheel linkage structure consisting of a driving wheel, a first driven wheel, and a second driven wheel located above the tank cover. This innovative design makes it difficult for the material inside the tank to form a stable vortex under the action of two opposing stirring forces, effectively solving the problem of uneven mixing caused by a traditional single stirring frame. Through the coaxial design of the shaft and bushing, the two stirring components can rotate independently, ensuring both structural compactness and improved stirring efficiency. The counter-rotation of the blades and the stirring frame not only breaks the inertial flow of the material but also forms a complex turbulent field inside the tank, significantly improving the mixing uniformity of the material, shortening the stirring time, reducing energy consumption, and improving the stability of product quality.

[0016] 2. The protection device employs a precise combination of components such as a connecting sleeve, connecting rod, connecting groove, control sleeve, push block, and push spring to form a sensitive overload protection system. When the blades or stirring frame encounter significant resistance, the rounded corner design of the connecting sleeve and connecting groove ensures a smooth disengagement process, allowing the motor to idle and effectively preventing damage to the stirring components and motor overload. The innovation of this protection mechanism lies in the precise adjustment of the protection trigger threshold through the threaded connection of the fitting sleeve and control sleeve, combined with the combination of the sliding block and push spring. This adjustable protection mechanism can flexibly set the trigger force according to the characteristics of different materials, avoiding frequent shutdowns caused by oversensitivity while responding promptly to actual overload conditions, truly achieving flexible protection for the equipment.

[0017] 3. The positioning mechanism, through the coordinated work of components such as the reset plate, positioning sleeve, reset rod, fixing block, and reset spring, constructs a stable and reliable locking system. The unique feature of this mechanism is its use of multiple positioning methods: initial positioning is achieved through the cooperation of the reset plate and reset hole; stable support is provided by the cooperation of the reset rod and slider; and finally, the locking of the adjustment mechanism is ensured by the engagement of the positioning rod and positioning groove. The springs and conical springs not only provide the necessary preload but also ensure the reliable reset of each component. This multi-locking mechanism effectively overcomes the effects of vibration and centrifugal force during equipment operation, ensuring the stability of the trigger threshold after adjustment and preventing the protection mechanism from shifting. Simultaneously, the rotation of the reset plate combined with the sliding of the reset rod enables rapid unlocking, facilitating adjustment operations. This ensures structural stability and improves adjustment convenience, enabling the equipment to maintain a stable and reliable operating state under various working conditions. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of a gear-driven mixer assembly according to the present invention; Figure 2 This is a cross-sectional view of the structure of this utility model; Figure 3 This is a schematic diagram of the connecting sleeve and connecting rod in this utility model; Figure 4 This is a cross-sectional view of the protective device and positioning mechanism after they are separated in this utility model; Figure 5 This is a cross-sectional view of the protective device and positioning mechanism of this utility model after removing the control sleeve and positioning sleeve.

[0019] In the diagram: 1. Can lid; 2. Motor; 3. Connecting sleeve; 4. Connecting rod; 5. Connecting groove; 6. Control sleeve; 7. Push block; 8. Push spring; 9. Mating sleeve; 10. Sliding block; 11. Connecting frame; 12. Sliding groove; 13. Reset plate; 14. Positioning sleeve; 15. Reset rod; 16. Fixing block; 17. Reset spring; 18. Reset hole; 19. Reset block; 20. Driving wheel; 21. First driven wheel; 22. Second driven wheel; 23. Shaft; 24. Shaft sleeve; 25. Can body; 26. Discharge pipe; 27. Blade; 28. Stirring frame; 29. ​​Spring; 30. Positioning rod; 31. Positioning groove; 32. Conical spring; 33. Sliding block; 34. Slide groove; 35. Limiting groove; 36. Limiting block. Detailed Implementation

[0020] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0021] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0022] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0023] Please see Figures 1-5A gear-driven mixer assembly includes a tank cover 1, a stirring device disposed below the tank cover 1, a motor 2 detachably mounted on the tank cover 1, and a protective device connected to the output end of the motor 2. The protective device includes a connecting sleeve 3, a connecting rod 4, a connecting groove 5, a control sleeve 6, a push block 7, a push spring 8, a mating sleeve 9, a sliding block 10, a connecting frame 11, and a sliding groove 12. The connecting sleeve 3 is connected to the output end of the motor 2, the connecting rod 4 is disposed in the connecting sleeve 3, the connecting groove 5 is formed on the outside of the connecting rod 4, the control sleeve 6 is rotatably connected to one side of the connecting sleeve 3, the push block 7 is connected to the sliding block 10 through the push spring 8, the outer wall of the mating sleeve 9 is movably connected to the inner wall of the control sleeve 6 through threads, and the sliding block 10 is slidably disposed in the sliding groove 12. The connecting frame 11 is movably disposed on one side of the push block 7, and one end of the connecting frame 11 is inserted into the connecting groove 5. The sliding groove 12 is opened on the inner side of the connecting sleeve 3. A positioning mechanism is provided on the outer side of the connecting sleeve 3. The positioning mechanism includes a reset plate 13, a positioning sleeve 14, a reset rod 15, a fixing block 16, a reset spring 17, a reset hole 18, and a reset block 19. The reset plate 13 is rotatably sleeved on the outer side of the connecting sleeve 3, the positioning sleeve 14 is sleeved on the outer side of the connecting sleeve 3, the reset rod 15 is connected to one side of the positioning sleeve 14, the fixing block 16 is fixedly connected to the outer side of the connecting sleeve 3, the two ends of the reset spring 17 are connected to the fixing block 16 and the reset block 19, the reset hole 18 is opened on the reset plate 13, and the reset block 19 is fixedly connected to one side of the reset plate 13.

[0024] The stirring device includes a driving wheel 20, a first driven wheel 21, a second driven wheel 22, a shaft 23, a bushing 24, and a tank body 25. The tank body 25 is detachably mounted below the tank cover 1. The driving wheel 20 is fixedly connected to one end of the connecting rod 4. The first driven wheel 21 is fixedly connected to the outside of the shaft 23. The second driven wheel 22 is fixedly connected to the outside of the bushing 24. The bushing 24 is rotatably mounted on the tank cover 1, and the shaft 23 is rotatably mounted inside the bushing 24.

[0025] The bottom of the tank body 25 is fixedly connected to a discharge pipe 26. A blade 27 is fixedly mounted on the outside of the shaft 23, and a stirring frame 28 is fixedly mounted below the bushing 24.

[0026] In this embodiment, when the device is needed, the can lid 1 is first removed, and then the material is placed into the can body 25. The can body 25 is mounted on an external bracket, and a control valve is connected to the bottom of the discharge pipe 26. Then, the motor 2 is turned on, and the motor 2 drives the connecting sleeve 3 to rotate. The connecting sleeve 3 drives the sliding groove 12, the push block 7, and the connecting frame 11 to rotate. Then, the connecting frame 11 drives the connecting rod 4 to rotate through its cooperation with the connecting groove 5, thereby causing the connecting rod 4 to drive the driving wheel 20 to rotate. Then, the driving wheel 20 will synchronously drive the first driven wheel. The first driven wheel 21 and the second driven wheel 22 rotate in opposite directions. Then, the first driven wheel 21 drives the blade 27 to rotate in the forward direction through the shaft 23, and the second driven wheel 22 drives the mixing frame 28 to rotate in the reverse direction through the bushing 24. This makes it difficult for a stable vortex to form inside the tank 25, ensuring uniform mixing of the material inside the tank 25. After mixing is complete, the mixed material is discharged through the discharge pipe 26 by controlling the control valve connected to the bottom of the discharge pipe 26. Then, the motor 2 is turned off, and the external control valve is closed. When the blade 27... If the blade 27 encounters excessive resistance, it will transmit the resistance to the first driven wheel 21 through the shaft 23, preventing the first driven wheel 21 from rotating. When the stirring frame 28 encounters significant resistance, it will transmit the resistance to the second driven wheel 22 through the bushing 24, preventing the second driven wheel 22 from rotating. When either of these two situations occurs or occurs simultaneously, the driving wheel 20 will be unable to rotate, thus preventing the other driven wheel from rotating. Then, the driving wheel 20 will transmit the resistance it receives to the connecting rod 4, causing the connecting rod 4 to stop rotating. Then, the inner wall of the connecting groove 5 presses against one end of the connecting frame 11. Due to the rounded corner design of the end of the connecting frame 11 and the inner wall of the connecting groove 5, one end of the connecting frame 11 gradually slides out of the connecting groove 5 and presses against the push block 7 set in the sliding groove 12, causing the push block 7 to slide along the sliding groove 12. The push block 7 and the sliding block 10 cooperate to press against the push spring 8, causing the motor 2 to drive the connecting sleeve 3 and the corresponding parts to idle, effectively avoiding the breakage and damage of the blade 27 and the stirring frame 28, as well as the overload damage of the motor 2, ensuring the safe use of the equipment.

[0027] Please see Figures 3-5 As a further implementation of the overall device: a spring 29 is movably sleeved on the outside of the reset rod 15. The spring 29 is connected to one side of the positioning sleeve 14, and the other end of the spring 29 is in contact with the reset plate 13.

[0028] Multiple positioning rods 30 are slidably provided on the side wall of the control sleeve 6, and multiple positioning grooves 31 are provided on the outer wall of the connecting sleeve 3. A conical spring 32 is provided on the outer side of the control sleeve 6. One end of the positioning rod 30 is inserted into the positioning groove 31, and the other end of the positioning rod 30 is connected to the outer wall of the control sleeve 6 through the conical spring 32.

[0029] A slider 33 is fixedly provided on the inner side of the positioning sleeve 14, and a groove 34 is provided on the outer side of the connecting sleeve 3, with the slider 33 slidably disposed in the groove 34.

[0030] A limiting groove 35 is provided on the side wall of the connecting sleeve 3, and a limiting block 36 is slidably provided in the limiting groove 35. The sleeve 9 is fixedly connected to the inner wall through the limiting block 36 and the sliding block 10.

[0031] More specifically, when the triggering mechanism of the protection device needs to be adjusted according to the characteristics of the mixing material, firstly, the reset plate 13 is rotated. The reset plate 13 drives the reset hole 18 and the reset block 19 to rotate synchronously. Then, the reset block 19 and the fixed block 16 cooperate to press the reset spring 17. When the reset spring 17 is pressed to its limit, the reset hole 18 moves to the position corresponding to the reset rod 15. Then, the positioning sleeve 14 is pushed, so that the positioning sleeve 14 drives the slider 33 and the reset rod 15 to slide along the slide groove 34. At the same time, the reset rod 15 will gradually penetrate into the reset hole 18, and the positioning sleeve 14 will cooperate with the reset plate 13 to press the spring 29. Then, the positioning sleeve 14 no longer limits the positioning rod 30, and then... When the control sleeve 6 is rotated, it causes multiple positioning rods 30 slidably mounted on its sidewall to move. The inner wall of the positioning groove 31 then presses against the inner end of the positioning rod 30. Since both the edge of the positioning groove 31 and the end of the positioning rod 30 are designed with rounded corners, one end of the positioning rod 30 slides out of the positioning groove 31, and the other end of the positioning rod 30 stretches the conical spring 32. Simultaneously, because the inner wall of the control sleeve and the outer wall of the mating sleeve 9 are connected by threads, and the engagement of the limiting block 36 and the limiting groove 35 prevents the mating sleeve 9 from rotating, the mating sleeve 9, through the limiting block 36, causes the sliding block 10 to slide along the limiting groove 35 in the sliding groove 12. Then, the sliding block 10 and the push block 7... The distance is reduced, and the spring 8 is squeezed, increasing the force exerted by the spring 8 on the push block 7. This makes it more difficult for the connecting frame 11 to detach from the connecting groove 5, thus increasing the trigger threshold. When the trigger threshold needs to be reduced, the control sleeve 6 is rotated in the opposite direction. After the trigger threshold is adjusted appropriately, the rotation of the control sleeve 6 is stopped, and the conical spring 32 drives the positioning rod 30 to slide and reset into the corresponding positioning groove 31. Then, the positioning sleeve 14 is released, and the spring 29 pushes the positioning sleeve 14 to drive the slider 33 to reset along the slide groove 34. Then, the positioning sleeve 14 drives the reset rod 15 to slide and reset. After the spring 29 is fully reset, the reset rod 15 no longer penetrates into the reset hole 18, and the reset plate 13 does not... Then, limited by the reset rod 15, the reset spring 17 pushes the reset block 19 to rotate and reset. Then, the reset block 19 drives the reset hole 18 to rotate and reset to a position that does not correspond to the reset rod 15 through the reset plate 13. Then, the reset plate 13 supports the positioning sleeve 14, and the sliding block 33 and the sliding groove 34 limit the positioning sleeve 14. With the preload applied by the spring 29, the positioning sleeve 14 cannot move. Then, the inner wall of the positioning sleeve 14 limits the positioning rod 30, so that the positioning rod 30 and the positioning groove 31 cooperate to stably position the control sleeve 6, so that the control sleeve 6 cannot rotate. This ensures the structural stability of the device after adjustment and ensures the safe and stable operation of the equipment.

[0032] In summary, when using or operating the entire equipment: First, remove the tank cover 1, then place the material into the tank body 25. The tank body 25 is mounted on an external support. A control valve is connected to the bottom of the discharge pipe 26. Then, turn on the motor 2. The motor 2 drives the connecting sleeve 3 to rotate. The connecting sleeve 3 drives the sliding groove 12, push block 7, and connecting frame 11 to rotate. Then, the connecting frame 11 drives the connecting rod 4 to rotate through its cooperation with the connecting groove 5. This causes the connecting rod 4 to drive the drive wheel 20 to rotate, and then the drive wheel 20 will rotate synchronously. The first driven wheel 21 and the second driven wheel 22 rotate in opposite directions. Then, the first driven wheel 21 drives the blade 27 to rotate forward via the shaft 23, while the second driven wheel 22 drives the mixing frame 28 to rotate in the opposite direction via the bushing 24. This prevents the formation of stable vortices within the tank 25, ensuring uniform mixing of the material. After mixing, the mixed material is discharged through the discharge pipe 26 via the control valve connected to the bottom of the discharge pipe 26. Then, the motor 2 is turned off, and the external control valve is closed. If blade 27 encounters excessive resistance, it will transmit the resistance to the first driven wheel 21 via shaft 23, preventing the first driven wheel 21 from rotating. Similarly, if the stirring frame 28 encounters significant resistance, it will transmit the resistance to the second driven wheel 22 via bushing 24, preventing the second driven wheel 22 from rotating. When either or both of these situations occur simultaneously, the driving wheel 20 will be unable to rotate, thus preventing the other driven wheel from rotating. The driving wheel 20 will then transmit the resistance it experiences to the connecting rod 4, causing the connecting rod 4 to stop rotating. The motor 2 moves, and then the inner wall of the connecting groove 5 presses against one end of the connecting frame 11. Due to the rounded corner design of the end of the connecting frame 11 and the inner wall of the connecting groove 5, one end of the connecting frame 11 gradually slides out of the connecting groove 5 and presses against the push block 7 set in the sliding groove 12, so that the push block 7 slides along the sliding groove 12. The push block 7 and the sliding block 10 cooperate to press against the push spring 8, so that the motor 2 drives the connecting sleeve 3 and the corresponding parts to run idle, effectively avoiding the breakage and damage of the blade 27 and the stirring frame 28, as well as the overload damage of the motor 2, ensuring the safe use of the equipment.

[0033] When the triggering mechanism of the protection device needs to be adjusted according to the characteristics of the mixing material, firstly, rotate the reset plate 13. The reset plate 13 drives the reset hole 18 and the reset block 19 to rotate synchronously. Then, the reset block 19 and the fixed block 16 cooperate to squeeze the reset spring 17. When the reset spring 17 is squeezed to its limit, the reset hole 18 moves to the position corresponding to the reset rod 15. Then, push the positioning sleeve 14, so that the positioning sleeve 14 drives the slider 33 and the reset rod 15 to slide along the slide groove 34. At the same time, the reset rod 15 will gradually pass into the reset hole 18, and the positioning sleeve 14 will cooperate with the reset plate 13 to squeeze the spring 29. Then, the positioning sleeve 14 no longer limits the positioning rod 30, and then the forward rotation control is activated. The control sleeve 6 moves multiple positioning rods 30 that are slidably mounted on the side wall. The inner wall of the positioning groove 31 then presses against the inner end of the positioning rod 30. Since the edges of the positioning groove 31 and the ends of the positioning rods 30 are designed with rounded corners, one end of the positioning rod 30 slides out of the positioning groove 31, and the other end of the positioning rod 30 stretches the conical spring 32. Simultaneously, because the inner wall of the control sleeve and the outer wall of the mating sleeve 9 are connected by threads, and the engagement of the limiting block 36 and the limiting groove 35 prevents the mating sleeve 9 from rotating, the mating sleeve 9, through the limiting block 36, drives the sliding block 10 to slide along the limiting groove 35 in the sliding groove 12. The distance between the sliding block 10 and the push block 7... The spring 8 is compressed and pressed, increasing the force exerted by the spring 8 on the push block 7. This makes it more difficult for the connecting frame 11 to disengage from the connecting groove 5, thus increasing the trigger threshold. When the trigger threshold needs to be reduced, the control sleeve 6 is rotated in the opposite direction. After the trigger threshold is adjusted appropriately, the rotation of the control sleeve 6 is stopped, and the conical spring 32 drives the positioning rod 30 to slide and reset into the corresponding positioning groove 31. Then, the positioning sleeve 14 is released, and the spring 29 pushes the positioning sleeve 14 to drive the slider 33 to reset along the slide groove 34. Then, the positioning sleeve 14 drives the reset rod 15 to slide and reset. After the spring 29 is fully reset, the reset rod 15 no longer penetrates into the reset hole 18, and the reset plate 13 no longer... Limited by the reset rod 15, the reset spring 17 pushes the reset block 19 to rotate and reset. Then, the reset block 19 drives the reset hole 18 to rotate and reset to a position that does not correspond to the reset rod 15 through the reset plate 13. Then, the reset plate 13 supports the positioning sleeve 14, and the sliding block 33 and the sliding groove 34 limit the positioning sleeve 14. With the preload applied by the spring 29, the positioning sleeve 14 cannot move. Then, the inner wall of the positioning sleeve 14 limits the positioning rod 30, so that the positioning rod 30 and the positioning groove 31 cooperate to stably position the control sleeve 6, so that the control sleeve 6 cannot rotate. This ensures the structural stability of the device after adjustment and ensures the safe and stable operation of the equipment.

[0034] Of all the solutions mentioned above, those involving the connection between two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods, which will not be elaborated here. For all the fixed connections mentioned above, welding is preferred. Although embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this utility model. The scope of this utility model is defined by the appended claims and their equivalents.

Claims

1. A gear-driven blender assembly comprising a jar lid (1), characterized by: A stirring device is provided below the lid (1), and a motor (2) is provided on the lid (1). A protective device is connected to the output end of the motor (2). The protective device includes a connecting sleeve (3), a connecting rod (4), a connecting groove (5), a control sleeve (6), a push block (7), a push spring (8), a mating sleeve (9), a sliding block (10), a connecting frame (11), and a sliding groove (12). The connecting groove (5) is opened on the outside of the connecting rod (4). The push block (7) is connected to the sliding block (10) through the push spring (8). The mating sleeve (9) is connected to the control sleeve (6) through threads. The connecting frame (11) is set on one side of the push block (7). The sliding groove (12) is opened on the outside of the connecting rod (4). A positioning mechanism is provided on the inner side of the connecting sleeve (3) and the outer side of the connecting sleeve (3). The positioning mechanism includes a reset plate (13), a positioning sleeve (14), a reset rod (15), a fixing block (16), a reset spring (17), a reset hole (18), and a reset block (19). The reset plate (13) is sleeved on the outer side of the connecting sleeve (3). The reset rod (15) is connected to one side of the positioning sleeve (14). The fixing block (16) is connected to the outer side of the connecting sleeve (3). The two ends of the reset spring (17) are connected to the fixing block (16) and the reset block (19). The reset hole (18) is opened on the reset plate (13). The reset block (19) is connected to one side of the reset plate (13).

2. A gear-driven blender assembly as defined in claim 1, wherein: The stirring device includes a driving wheel (20), a first driven wheel (21), a second driven wheel (22), a shaft (23), a bushing (24), and a tank (25). The tank (25) is detachably disposed below the tank cover (1). The driving wheel (20) is fixedly connected to one end of the connecting rod (4). The first driven wheel (21) is fixedly connected to the outside of the shaft (23). The second driven wheel (22) is fixedly connected to the outside of the bushing (24). The bushing (24) is rotatably mounted on the tank cover (1). The shaft (23) is rotatably mounted inside the bushing (24).

3. A gear-driven blender assembly as defined in claim 2, wherein: The bottom end of the tank (25) is fixedly connected to a discharge pipe (26).

4. A gear-driven blender assembly as defined in claim 3, wherein: A blade (27) is fixedly provided on the outside of the shaft (23), and a stirring rack (28) is fixedly provided below the bushing (24).

5. A gear-driven blender assembly according to any one of claims 1-4, characterized in that: A spring (29) is movably sleeved on the outside of the reset rod (15). The spring (29) is connected to one side of the positioning sleeve (14), and the other end of the spring (29) is in contact with the reset plate (13).

6. A gear-driven blender assembly as recited in claim 5, wherein: Multiple positioning rods (30) are slidably provided on the side wall of the control sleeve (6), and multiple positioning grooves (31) are provided on the outer wall of the connecting sleeve (3). A conical spring (32) is provided on the outer side of the control sleeve (6). One end of the positioning rod (30) is inserted into the positioning groove (31), and the other end of the positioning rod (30) is connected to the outer wall of the control sleeve (6) through the conical spring (32).

7. A gear drive beater assembly according to claim 6 wherein: The positioning sleeve (14) is fixedly provided with a slider (33) on the inner side, and the connecting sleeve (3) is provided with a groove (34) on the outer side, and the slider (33) is slidably disposed in the groove (34).

8. A gear drive mixer assembly as defined in claim 1 wherein: The connecting sleeve (3) has a limiting groove (35) on its side wall, and a limiting block (36) is slidably provided in the limiting groove (35). The inner wall of the mating sleeve (9) is fixedly connected by the limiting block (36) and the sliding block (10).

Images