Electric mixer device with safety lock function

By introducing a combination of locking grooves, pins, locking blocks, and limit switches into the electric stirrer, a stable locking mechanism between the stirrer head and the container and automatic stirring rod control are achieved, solving the problem of liquid splashing during stirring, improving safety, and preventing solution waste.

CN224485666UActive Publication Date: 2026-07-14NINGBO PAILITE ELECTRONICS CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NINGBO PAILITE ELECTRONICS CO LTD
Filing Date
2025-08-19
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

The lack of a locking device between the existing electric mixer and the mixing drum causes liquid to splash out during the mixing process, resulting in waste and safety hazards.

Method used

An electric mixer device with a safety lock function was designed. Through the combination of locking groove, pin, locking block and limit switch, the mixer head is stably locked to the container, and the start and stop of the mixing rod are automatically controlled by the limit switch.

Benefits of technology

It effectively prevents liquid splashing, improves safety during use, prevents solution waste, and enhances the safety of the stirrer.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to electric mixer technical field, concretely is a kind of electric mixer device with safety lock function, including support, the mixer head and container being set on support, lifting assembly for controlling the up-and-down movement of mixer head is arranged between support and mixer head, and the top end of mixer head is equipped with motor. The utility model discloses the setting of lock slot, bolt, clamping block and pin hole can make that mixer head can stably cover the top position of container, separation between the two is not easy under the action of vibration and other external force, can prevent liquid inside container from splashing, furthermore, the setting of travel switch and contact lever realizes the start-stop control of automatic stirring rod, can avoid that liquid inside container splashes due to stirring rod rotation, effectively eliminates the waste of solution and improves the security of use.
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Description

Technical Field

[0001] This utility model relates to the field of electric mixer technology, and more specifically, to an electric mixer device with a safety lock function. Background Technology

[0002] An electric stirrer is a mechanical device that uses electricity to mix liquids or semi-fluids. It is widely used in experimental and production settings in fields such as biology, chemistry, food, and cosmetics.

[0003] Existing electric stirrers require the stirrer to be placed over a container during use. The stirring shaft, which extends into the container, rotates to stir the solution inside. However, there is usually no locking device between the stirrer and the container. During the stirring process, the stirrer and the container are prone to gaps due to improper closure under external forces such as vibration. This causes the liquid in the container to splash out to the outside, resulting in waste of the solution. Furthermore, when stirring corrosive solutions, there are significant safety hazards. Utility Model Content

[0004] This utility model provides an electric stirrer device with a safety lock function, which solves the technical problem in the prior art that the lack of a corresponding locking device between the stirrer and the barrel causes liquid in the container to splash out to the outside, resulting in waste of solution and significant safety hazards.

[0005] In view of the above problems, the technical solution proposed by this utility model is as follows:

[0006] An electric mixer device with a safety lock function includes a bracket, a mixer head mounted on the bracket, and a container. A lifting assembly for controlling the up-and-down movement of the mixer head is provided between the bracket and the mixer head. A motor is mounted on the top of the mixer head, and the output shaft of the motor extends into the bottom of the mixer head and is connected to a mixing rod. Locking grooves are provided on both sides of the top of the container. Pins for insertion into the locking grooves are provided on both sides of the mixer head. A locking block is slidably provided on one side of the locking groove. A pin hole for insertion of the end of the locking block is provided on the pin. A limit switch is provided on one side of the top of the mixer head. The limit switch is connected between the motor and the power module for operating the motor. A contact rod is fixedly connected to the container.

[0007] Furthermore, the lifting assembly includes two sets of screws rotatably connected to the bracket, two sets of threaded sleeves threadedly connected to the two sets of screws, a drive shaft rotatably disposed on the top of the two sets of screws, and a bevel gear set disposed between the drive shaft and the top of the two sets of threaded sleeves. Both sets of threaded sleeves are fixedly connected to one side of the mixer head.

[0008] Furthermore, guide rods are provided on both sides of the card block, and guide holes are provided on both sides of the locking groove for inserting one end of the guide rod. A first magnetic block is provided at the end of the guide rod, and a second magnetic block with the opposite magnetic pole to the first magnetic block is provided at the innermost side of the guide hole.

[0009] Furthermore, the support is provided with a positioning groove, which is located directly below the mixer head and matches the bottom contour of the container.

[0010] Furthermore, the positioning groove is provided with a guide post inside, and the bottom of the container is provided with a guide hole for the guide post to be inserted.

[0011] Furthermore, a retaining ring is provided at the bottom edge of the mixer head.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: By setting the locking groove, pin, locking block, and pin hole, the locking block can be locked together with the pin hole when the mixer head covers the top of the container. Under this action, the mixer head can be stably covered on the top of the container, and the two are not easy to separate under the action of vibration or other external forces, which can prevent the liquid inside the container from splashing out. In addition, by setting the limit switch and the contact rod, the start and stop of the stirring rod can be automatically controlled. The stirring rod can only be started when the mixer head is tightly covered on the container. When the mixer head is separated from the container, the rotation of the stirring rod can prevent the liquid inside the container from splashing out, effectively eliminating the waste of solution and improving the safety of use. Attached Figure Description

[0013] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the mixer head covering the container in this utility model;

[0016] Figure 3 This is a schematic diagram of the locking groove and the pin in this utility model;

[0017] Figure 4 This is a cross-sectional view of the locking groove in this utility model;

[0018] Figure 5 This is a schematic diagram of the structure of the locking block and guide rod in this utility model;

[0019] Figure 6 This is a schematic diagram of the bottom structure of the container in this utility model;

[0020] Figure 7 This is a schematic diagram of the positioning groove in this utility model.

[0021] In the diagram: 1. Bracket; 2. Mixer head; 3. Container; 4. Motor; 5. Mixing rod; 6. Locking groove; 7. Pin; 8. Locking block; 9. Pin hole; 10. Limit switch; 11. Contact rod; 12. Screw; 13. Screw sleeve; 14. Drive shaft; 15. Bevel gear set; 16. Guide rod; 17. Guide hole; 18. First magnetic block; 19. Second magnetic block; 20. Positioning groove; 21. Guide post; 22. Guide hole; 23. Retaining ring. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0023] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0024] Please see Figure 1-7 An electric stirrer device with a safety lock function includes a support 1, a stirrer head 2 mounted on the support 1, and a container 3. A lifting assembly is provided between the support 1 and the stirrer head 2. The stirring assembly can control the stirrer head 2 to move up and down on one side of the support 1. A motor 4 is installed at the top of the stirrer head 2. The output shaft of the motor 4 extends into the bottom of the stirrer head 2 and is connected to a stirring rod 5. When the stirrer head 2 covers the top of the container 3, the stirring rod 5 will extend into the interior of the container 3. At this time, the motor 4 will start and drive the stirring rod 5 to rotate, thereby stirring the solution inside the container 3.

[0025] In this device, locking grooves 6 are provided on both sides of the top of container 3, and pins 7 are provided on both sides of mixer head 2. When mixer head 2 covers the top of container 3, the pins 7 can be aligned and inserted into the inside of locking groove 6. A locking block 8 is slidably provided on one side of locking groove 6. The locking block 8 can slide inward or outward under the pull of the user. The pin 7 is provided with a pin hole 9 for the end of the locking block 8 to be inserted. When the pin 7 is inside locking groove 6, pushing the locking block 8 inward toward locking groove 6 allows one end of the locking block 8 to just extend into the pin hole 9 on the pin 7. At this time, the locking block 8 and the pin 7 will lock together. Under this action, the pin 7 can be effectively restricted from moving outward toward locking groove 6, so that mixer head 2 can be firmly covered on the top of container 3.

[0026] In addition, a limit switch 10 is provided on one side of the top of the mixer head 2. The limit switch 10 is connected between the motor 4 and the power module that powers the motor 4. A contact rod 11 is fixedly connected to the container 3. When the mixer head 2 covers the top of the container 3, the contact rod 11 can be aligned and abut against the contact of the limit switch 10. At this time, the limit switch 10 can conduct the connection between the power module and the motor 4, thereby controlling the motor 4 to start. When the mixer head 2 is separated from the container 3, since the contact of the limit switch 10 is no longer abutted by the contact rod 11, the connection between the power module and the motor 4 can be disconnected.

[0027] During use, container 3 is placed on support 1 and aligned with the lower position of mixer head 2. The mixer head 2 can be moved downwards using the lifting assembly. When mixer head 2 moves down and covers the top of container 3, the pins 7 on both sides of mixer head 2 can be inserted into the locking grooves 6 on both sides of container 3. At this time, pushing the locking block 8 inwards towards the locking groove 6 allows the end of the locking block 8 to be inserted into the pin 7, thus locking the pin 7 and the locking block 8 together. This effectively prevents the pin 7 from moving out of the locking groove 6. Under this action, mixer head 2 can stably cover the top of container 3, and the two are not easily separated under the action of vibration or other external forces. Therefore, it effectively prevents the liquid inside container 3 from leaking out, effectively improving the safety of use. When mixer head 2 covers the top of container 3... Meanwhile, the contact rod 11 can abut against the contact of the limit switch 10. At this time, the limit switch 10 can connect the power module and the motor 4, thereby controlling the motor 4 to drive the stirring rod 5, which extends into the container 3, to rotate and stir the solution in the container 3. When the stirring head 2 is separated from the container 3, the contact of the limit switch 10 is no longer abutted by the contact rod 11, thereby disconnecting the connection between the power module and the motor 4 and stopping the stirring rod 5. Thus, automatic control of the start and stop of the stirring rod 5 is achieved. The stirring rod 5 can only start operating when the stirring head 2 is tightly closed on the container 3. When the stirring head 2 is separated from the container 3, it can effectively prevent the liquid inside the container 3 from splashing out due to the rotation of the stirring rod 5, thereby further improving the safety of use.

[0028] For further details, please refer to Figure 1 and Figure 2 The lifting assembly includes two sets of screws 12 rotatably connected to the bracket 1, two sets of threaded sleeves 13 threadedly connected to the two sets of screws 12, a drive shaft 14 rotatably disposed on the top of the two sets of screws 12, and a bevel gear set 15 disposed between the drive shaft 14 and the top of the two sets of threaded sleeves 13. The two sets of threaded sleeves 13 are fixedly connected to one side of the mixer head 2. When the user rotates the drive shaft 14, the two sets of screws 12 can rotate synchronously under the transmission action of the bevel gear set 15, thereby driving the two sets of threaded sleeves 13 to move up and down simultaneously along the surface of the screws 12. During this process, the two sets of threaded sleeves 13 can control the mixer head 2 to move up and down.

[0029] For further details, please refer to Figure 3 and Figure 4Guide rods 16 are provided on both sides of the locking block 8, and guide holes 17 are provided on both sides of the locking groove 6 for inserting one end of the guide rod 16. A first magnetic block 18 is provided at the end of the guide rod 16, and a second magnetic block 19 with the opposite magnetic pole to the first magnetic block 18 is provided at the innermost side of the guide hole 17. The guide rod 16 is inserted into the interior of the guide hole 17 and can slide horizontally inside the guide hole 17. When the locking block 8 is pushed into the interior of the locking groove 6, the guide rod 16 will also slide into the innermost end of the guide hole 17. At this time, the first magnetic block 18 will approach the second magnetic block 19, and a magnetic attraction will be generated between them. Under this action, the locking block 8 can be stably located inside the locking groove 6 and is not easy to fall out, thus ensuring that the locking block 8 can be stably locked together with the pin 7. In addition, the guide hole 17 can restrict the first magnetic block 18 from moving out of its outer side, so that the locking block 8 can always be connected to the locking groove 6 and prevent the locking block 8 from falling off the locking groove 6.

[0030] For further details, please refer to Figure 6 and Figure 7 The bracket 1 is provided with a positioning groove 20, which is located directly below the mixer head 2. The positioning groove 20 matches the bottom contour of the container 3. When the bottom of the container 3 is placed in the positioning groove 20, the mixer head 2 will be aligned with the top of the container 3. In addition, the positioning groove 20 is provided with a guide post 21, and the bottom of the container 3 is provided with a guide hole 22 for the guide post 21 to be inserted. During the process of placing the bottom of the container 3 inside the positioning groove 20, the container 3 is rotated until the guide post 21 and the guide hole 22 are aligned and inserted together. At this time, the container 3 can be placed stably in the positioning groove 20. In this state, the locking grooves 6 on both sides of the container 3 will be aligned with the pins 7 on both sides of the mixer head 2, and the contact rod 11 on the container 3 will be aligned with the contact of the limit switch 10 on the top of the mixer head 2. Therefore, it is convenient for the user to quickly and accurately align the container 3, improving the convenience of use.

[0031] For further details, please refer to Figure 7 A retaining ring 23 is provided at the bottom edge of the mixer head 2. When the mixer head 2 covers the top of the container 3, the retaining ring 23 will extend into the interior of the container 3 and block the edge joint between the mixer head 2 and the container 3, thereby improving the sealing performance of the top of the container 3 and further preventing the liquid inside the container 3 from leaking out from the joint between the mixer head 2 and the container 3 when it is stirred.

[0032] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. An electric mixer device with a safety lock function, comprising a support (1), a mixer head (2) disposed on the support (1), and a container (3), characterized in that, A lifting assembly for controlling the up-and-down movement of the mixer head (2) is provided between the bracket (1) and the mixer head (2). A motor (4) is installed at the top of the mixer head (2). The output shaft of the motor (4) extends into the bottom of the mixer head (2) and is connected to a stirring rod (5). Locking grooves (6) are provided on both sides of the top of the container (3). Pins (7) for the locking grooves (6) are provided on both sides of the mixer head (2). A locking block (8) is slidably provided on one side of the locking groove (6). A pin hole (9) for the end of the locking block (8) is provided on the pin (7). A limit switch (10) is provided on one side of the top of the mixer head (2). The limit switch (10) is connected between the motor (4) and the power module for the motor (4) to run. A contact rod (11) is fixedly connected to the container (3).

2. The electric mixer device with safety lock function according to claim 1, characterized in that, The lifting assembly includes two sets of screws (12) rotatably connected to the bracket (1), two sets of threaded sleeves (13) threadedly connected to the two sets of screws (12), a drive shaft (14) rotatably disposed on the top of the two sets of screws (12), and a bevel gear set (15) disposed between the drive shaft (14) and the top of the two sets of threaded sleeves (13). Both sets of threaded sleeves (13) are fixedly connected to one side of the mixer head (2).

3. The electric stirrer device with safety lock function according to claim 1, characterized in that, The card block (8) is provided with guide rods (16) on both sides, and the lock groove (6) is provided with guide holes (17) on both sides for inserting one end of the guide rod (16). The end of the guide rod (16) is provided with a first magnetic block (18), and the innermost side of the guide hole (17) is provided with a second magnetic block (19) with the opposite magnetic pole to the first magnetic block (18).

4. The electric mixer device with safety lock function according to claim 1, characterized in that, The support (1) is provided with a positioning groove (20), which is located directly below the mixer head (2) and matches the bottom contour of the container (3).

5. The electric mixer device with safety lock function according to claim 4, characterized in that, The positioning groove (20) is provided with a guide post (21) inside, and the bottom of the container (3) is provided with a guide hole (22) for the guide post (21) to be inserted.

6. The electric stirrer device with safety lock function according to claim 1, characterized in that, A retaining ring (23) is provided at the bottom edge of the mixer head (2).