An impact-resistant air purifier motor structure

Abstract

The utility model discloses an anti -impact's air purifier motor structure, including iron shell group, BKS group, shaft group, wave washer and 688 bearing, the iron shell group is by rotor iron shell and magnetic stripe through the adhesive and catalyst solidification connection constitutes, BKS group is by PCBA control panel and high bearing support fixed after riveting pressure, again will stator core press into high bearing support constitution, shaft group is by 608 bearing location press into motor shaft constitutes, wave washer and 688 bearing are in BKS group in proper order, the shaft group press into 688 bearing and wave washer, 608 bearing passes into bearing chamber, the iron shell group passes through shaft group end and presses into and shaft end surface and iron shell end surface are level. Through the iron shell group, shaft group, BKS group independent completion assembly again carries out integral assembly, optimized the assembly process of motor, this step -by -step assembly's mode reduces the assembly interference between each component, facilitates the division of labor of production line cooperation, has improved production efficiency significantly.

Description

Technical Field

[0001] This utility model relates to the technical field, specifically to an impact-resistant air purifier motor structure. Background Technology

[0002] In the small household appliance industry, the requirements for bearing noise during product tip-over tests are becoming increasingly stringent. Especially when the motor is mounted horizontally with a load on its shaft, and the impeller is mounted on the motor shaft, the motor bearings are highly susceptible to damage from the impact during a tip-over test. Simultaneously, the gravity generated by the impeller's own load also causes additional damage to the bearings. This damage not only affects the normal operation of the motor but also leads to bearing noise, severely reducing the user experience and reliability of the product. Currently, there is no effective solution to this type of bearing damage caused by impact and gravity loads. How to improve the impact resistance of the motor while ensuring its normal function has become a pressing technical challenge for the industry. Utility Model Content

[0003] The purpose of this invention is to provide an impact-resistant air purifier motor structure to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: an impact-resistant air purifier motor structure, comprising an iron shell assembly, a BKS assembly, a shaft assembly, a corrugated gasket, and a 688 bearing; the iron shell assembly is formed by connecting a rotor iron shell and a magnetic strip through adhesive and catalyst; the BKS assembly is formed by riveting a PCBA control board and a high bearing bracket, and then pressing the stator core into the high bearing bracket; the shaft assembly is formed by positioning and pressing a 608 bearing into the motor shaft; the corrugated gasket and the 688 bearing are placed sequentially in the BKS assembly, the shaft assembly is pressed into the 688 bearing and the corrugated gasket, the 608 bearing passes through the bearing chamber, and the iron shell assembly is pressed in through the end of the shaft assembly with the shaft end face flush with the iron shell end face; the distance between the 608 bearing and the 688 bearing in the high bearing bracket is longer than the corresponding distance in existing bearing brackets; the corrugated gasket has an elasticity of 16~18N after 10 pre-compression treatments.

[0005] Preferably, the PCBA control board and the high bearing bracket are riveted together by using a hydraulic press to rivet the bracket's riveting points.

[0006] Preferably, the stator core is pressed into the high bearing bracket by a servo motor.

[0007] Preferably, the 608 bearing is positioned and pressed into a predetermined position on the motor shaft by a servo machine.

[0008] Preferably, the high bearing bracket increases the distance between the 608 bearing and the 688 bearing by modifying the mold, and the overall height of the motor increases with the increase of this distance.

[0009] Preferably, the iron shell assembly, shaft assembly, and BKS assembly are assembled independently before being assembled as a whole.

[0010] Preferably, the length between the bearing housing of bearing 608 and bearing housing of bearing 688 in the high bearing bracket is increased to increase the lever arm distance and reduce the force on bearing 688.

[0011] Preferably, the elasticity of the wave-shaped gasket keeps the 688 bearing within the upper limit of its dimensions after assembly.

[0012] Compared with the prior art, the beneficial effects of this utility model are: 1. By assembling the iron shell assembly, shaft assembly, and BKS assembly independently before assembling the whole, the motor assembly process is optimized. This step-by-step assembly method reduces assembly interference between components, facilitates division of labor and cooperation on the production line, significantly improves production efficiency, and reduces production costs.

[0013] 2. By modifying the high bearing bracket mold and increasing the length between the 608 bearing chamber and the 688 bearing chamber, the lever arm distance is increased based on the lever principle, effectively reducing the stress on the 688 bearing. At the same time, the wave-shaped shims, which have undergone 10 pre-compression treatments and whose elasticity value is maintained at 16~18N, can keep the 688 bearing within the upper limit of its dimensions after assembly, further enhancing the stability of the bearing during operation and extending the service life of the motor. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the first explosive structure of this utility model; Figure 3 This is a schematic diagram of the second explosive structure of this utility model; Figure 4 This is a schematic diagram of the planar exploded structure of this utility model.

[0015] In the diagram: 1. Iron shell assembly, 101. Rotor iron shell, 102. Magnetic strip, 2. PCBA control board, 3. High bearing bracket, 4. Motor shaft, 5. 608 bearing, 6. Waveform gasket, 7. 688 bearing, 8. Stator core. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Please see Figures 1-4 This utility model provides a technical solution: an impact-resistant air purifier motor structure, including an iron shell assembly 1, a BKS assembly, a shaft assembly, a wave-shaped gasket 6, and a 688 bearing 7; the iron shell assembly 1 is formed by connecting the rotor iron shell 101 and the magnetic strip 102 through adhesive and catalyst curing; the BKS assembly is formed by riveting the PCBA control board 2 and the high bearing bracket 3, and then pressing the stator core 8 into the high bearing bracket 3; the shaft assembly is formed by the 608 bearing 5. The motor shaft 4 is pressed in; the wave-shaped shim 6 and the 688 bearing 7 are placed in the BKS assembly in sequence, the shaft assembly is pressed into the 688 bearing 7 and the wave-shaped shim 6, the 608 bearing 5 passes into the bearing chamber, and the iron shell assembly 1 is pressed in through the end of the shaft assembly with the shaft end face flush with the iron shell end face; the distance between the 608 bearing 5 and the 688 bearing 7 in the high bearing bracket 3 is longer than the corresponding distance of the existing bearing bracket; the elasticity of the wave-shaped shim 6 is 16~18N after 10 pre-compression treatments.

[0018] Assembly of the iron shell assembly 1: The iron shell assembly 1 consists of a rotor iron shell 101 and a magnetic strip 102. During assembly, an adhesive and a catalyst are applied to the connecting surfaces of the rotor iron shell 101 and the magnetic strip 102. After the adhesive and catalyst have cured, the rotor iron shell 101 and the magnetic strip 102 form a firm fixed connection, thereby completing the assembly of the iron shell assembly 1.

[0019] BKS Assembly: The BKS assembly consists of a PCBA control board 2, a high-bearing bracket 3, and a stator core 8. First, the PCBA control board 2 and the high-bearing bracket 3 are assembled according to preset positions. Then, a hydraulic press is used to rivet the rivet points on the high-bearing bracket 3, securing the PCBA control board 2 and the high-bearing bracket 3 together. Next, a servo machine is used to press the stator core 8 into the preset position of the high-bearing bracket 3, completing the BKS assembly.

[0020] Shaft assembly: The shaft assembly consists of a 608 bearing 5 and a motor shaft 4. The 608 bearing 5 is accurately positioned and pressed into the predetermined position of the motor shaft 4 by a servo motor to form the shaft assembly.

[0021] Overall Assembly: First, place the wave-shaped shim 6 and the 688 bearing 7 sequentially into the BKS assembly. Then, press the shaft assembly into the 688 bearing 7 and the wave-shaped shim 6, and insert the 608 bearing 5 into the bearing chamber of the high bearing bracket 3. Finally, press the iron shell assembly 1 through the end of the shaft assembly, ensuring that the end face of the motor shaft 4 is flush with the end face of the rotor iron shell 101, thus completing the assembly of the entire motor structure.

[0022] In this embodiment, the high bearing bracket 3 is modified by changing the mold so that the distance between bearing 608 5 and bearing 688 7 is longer than the corresponding distance in the existing bearing bracket. The overall height of the motor also increases with this increased distance. Based on the lever principle, with the impeller installed at one end of the motor shaft 4 remaining unchanged, the increased length between bearing 608 and bearing 688 increases the lever arm distance, thereby reducing the force borne by bearing 688 7.

[0023] Meanwhile, the wave-shaped gasket 6 undergoes 10 pre-compression processes to maintain its elasticity value between 16 and 18 N when placed in the bearing housing. This elasticity value ensures that the 688 bearing 7 remains within the upper limit of its dimensions after assembly, further enhancing the bearing's stability under impact.

[0024] Furthermore, in this embodiment, the iron shell assembly 1, the shaft assembly, and the BKS assembly are all assembled independently before being assembled as a whole. This optimization of the assembly process reduces mutual interference between components during assembly and improves production efficiency.

[0025] The PCBA control board 2 and the high bearing bracket 3 are riveted together using a hydraulic press. The stator core 8 is pressed into the high bearing bracket 3 by a servo motor. The 608 bearing 5 is positioned and pressed into the predetermined position of the motor shaft 4 by a servo motor. The high bearing bracket 3 is modified with a mold to increase the distance between the 608 bearing 5 and the 688 bearing 7, and the overall height of the motor increases with this increased distance. The iron shell assembly 1, shaft assembly, and BKS assembly are assembled independently before being assembled as a whole. The length between the bearing chambers of the 608 bearing 5 and the 688 bearing 7 in the high bearing bracket 3 is increased to increase the lever arm distance and reduce the stress on the 688 bearing 7. The elasticity of the wave-shaped shim 6 keeps the 688 bearing 7 within the upper limit of its dimensions after assembly.

[0026] When assembling the components, the first step is to securely connect the PCBA control board 2 to the high bearing bracket 3. After both are in place, pressure is applied to the riveting points on the high bearing bracket 3 using a hydraulic press to rivet them, thereby achieving a stable fixation between the PCBA control board 2 and the high bearing bracket 3, laying the foundation for the subsequent assembly of other components.

[0027] Next, the stator core 8 is assembled with the high bearing bracket 3. With the precise control of the servo motor, the stator core 8 is pressed into the preset position of the high bearing bracket 3, ensuring that the stator core 8 is firmly installed and accurately positioned within the high bearing bracket 3, thus ensuring the stable magnetic circuit performance of the motor.

[0028] The assembly of the 608 bearing 5 and the motor shaft 4 is also accomplished using a servo machine. The servo machine can accurately position the 608 bearing 5 at the predetermined position on the motor shaft 4 and smoothly press it in to form a shaft assembly, ensuring the fitting accuracy between the 608 bearing 5 and the motor shaft 4 and reducing friction and wear during operation.

[0029] To enhance the motor's impact resistance, the structure of the high-bearing bracket 3 was optimized. By modifying the mold, the length between the bearing chambers of bearing 608 5 and bearing 688 7 in the high-bearing bracket 3 was increased, thereby increasing the lever arm distance. According to the lever principle, with the impeller installed at one end of the motor shaft 4, the force borne by bearing 688 7 can be effectively reduced, lowering the probability of damage under impact. Simultaneously, with the increased distance between the two bearing chambers, the overall height of the motor also increases accordingly.

[0030] In terms of assembly process, a method of separate assembly in groups followed by overall assembly is adopted. First, the steel shell assembly 1, shaft assembly, and BKS assembly are assembled independently, and then these three assemblies are assembled as a whole. This method simplifies the assembly process, facilitates quality control at each stage, and improves production efficiency.

[0031] Furthermore, after pre-compression, the elasticity of the wave-shaped gasket 6 ensures that the 688 bearing 7 remains within the upper limit of its dimensions after assembly. This design ensures better stability of the 688 bearing 7 under impact, further enhancing the motor's shock resistance and reducing bearing noise caused by impact.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An impact-resistant air purifier motor structure, characterized in that, The assembly includes a metal shell assembly (1), a BKS assembly, a shaft assembly, a wave-shaped gasket (6), and a 688 bearing (7). The metal shell assembly (1) is formed by connecting the rotor metal shell (101) and the magnetic strip (102) through adhesive and catalyst. The BKS assembly is formed by riveting and fixing the PCBA control board (2) and the high bearing bracket (3), and then pressing the stator core (8) into the high bearing bracket (3). The shaft assembly is formed by positioning and pressing the 608 bearing (5) into the motor shaft (4). The wave-shaped gasket... (6) and 688 bearing (7) are placed in the BKS assembly in sequence. The shaft assembly is pressed into the 688 bearing (7) and the wave shim (6). The 608 bearing (5) is inserted into the bearing chamber. The iron shell assembly (1) is pressed in through the end of the shaft assembly and the shaft end face is flush with the iron shell end face. The distance between the 608 bearing (5) and 688 bearing (7) in the high bearing bracket (3) is longer than the corresponding distance of the existing bearing bracket. The elasticity of the wave shim (6) is 16~18N after 10 pre-compression treatments.

2. The impact-resistant air purifier motor structure according to claim 1, characterized in that, The PCBA control board (2) and the high bearing bracket (3) are riveted and fixed by a hydraulic press to rivet the bracket's riveting points.

3. The impact-resistant air purifier motor structure according to claim 1, characterized in that, The stator core (8) is pressed into the high bearing bracket (3) by a servo motor.

4. The impact-resistant air purifier motor structure according to claim 1, characterized in that, The 608 bearing (5) is positioned and pressed into the predetermined position of the motor shaft (4) by a servo machine.

5. The impact-resistant air purifier motor structure according to claim 1, characterized in that, The high bearing bracket (3) achieves the lengthening of the distance between the 608 bearing (5) and the 688 bearing (7) through mold modification, and the overall height of the motor increases with the lengthening of this distance.

6. The impact-resistant air purifier motor structure according to claim 1, characterized in that, The iron shell assembly (1), shaft assembly, and BKS assembly are assembled independently before being assembled as a whole.

7. The impact-resistant air purifier motor structure according to claim 1, characterized in that, The length between the bearing chamber of bearing 608 (5) and bearing chamber of bearing 688 (7) in the high bearing bracket (3) is increased to increase the lever arm distance and reduce the force on bearing 688 (7).

8. The impact-resistant air purifier motor structure according to claim 1, characterized in that, The elasticity of the wave-shaped gasket (6) keeps the 688 bearing (7) within the upper limit of its dimensions after assembly.

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