High-speed motor bearing for dust collector

By introducing structures such as sealing caps, buffer layers, and heat dissipation brackets into the vacuum cleaner motor bearings, the problem of environmental pollutants affecting the vacuum cleaner motor bearings during use has been solved, achieving both sealing performance and high-speed rotation stability of the bearings, and extending their service life.

CN223708298UActive Publication Date: 2025-12-23NINGBO DAHONG HARDWARE MANUFACTURING CO LTD
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Patent Information

Application Number
CN202422315853.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-23
Publication Date
2025-12-23
Estimated Expiration
2034-09-23

AI Technical Summary

Technical Problem

Vacuum cleaner motor bearings are easily affected by environmental factors such as dust and water stains during use, leading to a decline in performance. Existing technologies are insufficient to effectively protect the bearing structure.

Method used

A high-speed motor bearing for vacuum cleaners was designed, employing a sealing cover and buffer layer to ensure the internal sealing and cushioning of the bearing. Combined with a heat sink and rotating balls, the bearing's support and rotation performance are improved, preventing environmental pollutants from entering and reducing the impact of friction and heat.

Benefits of technology

It effectively extends the service life of the bearing, ensures the stability and sealing of the bearing during high-speed rotation, prevents the negative impact of dust and moisture on the bearing, and improves the practicality and rotational coordination of the bearing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of bearing design, and discloses a high-speed motor bearing for a dust collector, which comprises a bearing ring, a first sealing cover, a second sealing cover and a bearing contact frame, the bearing contact frame is arranged on the inner side of the bearing ring, and the first sealing cover is arranged at the bottom of the contact end of the outer end of the bearing contact frame and the bearing ring. A second sealing cover is arranged at the bottom of the inner wall of the bearing contact frame, a bearing bottom end cover is arranged between the first sealing cover and the second sealing cover, and a bearing inner end base is arranged at the top of the bearing ring. The vertical occupied space of the rotating shaft and the bearing can be effectively reduced, high-speed rotation control over the dust removal brush is achieved through cooperation of the motor and the rotating shaft, the sealing covers are arranged at the connecting positions of the bottom of the bearing, and the special structures of the edges of the sealing covers and connecting assemblies of the bearing are arranged in a sealed mode. No gap exists at the bottom of the bearing and the contact end of the bearing and the rotating shaft, and negative effects of environmental pollutants on the bearing are effectively prevented.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bearing design technical field, specifically, relate to a high -speed motor bearing for dust collector. BACKGROUND

[0002] Bearing is an important spare part in contemporary mechanical equipment. Its main function is to support mechanical rotation, reduce its friction coefficient in the movement process, and ensure its rotation accuracy, but the motor bearing of the dust collector may be affected by the use scene in the process of use, resulting in the dust, water stain or other small sundries into the bearing, affecting the bearing performance, causing the bearing damage; The dust collector realizes dust collection operation by motor, and the dust collector works frequently, and higher requirements are needed for its rotation performance and structure. Therefore, a high-speed motor bearing for dust collector is provided. SUMMARY

[0003] (I) technical problem to be solved

[0004] To solve at least one aspect of the above problems, the utility model provides a high-speed motor bearing for dust collector first, its structure is simple, enhances the structure setting of dust collector motor bearing, effectively prolongs the bearing service time, ensures the protection performance of the motor bearing, improves the support and rotation control of the bearing, and improves the practicability of the bearing.

[0005] (II) technical scheme

[0006] To solve the technical problem, the utility model provides a high-speed motor bearing for dust collector, which comprises a bearing ring, a first sealing cover, a second sealing cover and a bearing contact frame, the inner side of the bearing ring is provided with a bearing contact frame, the outer end of the bearing contact frame is provided with a first sealing cover at the bottom of the contact end of the bearing ring, the inner wall bottom of the bearing contact frame is provided with a second sealing cover, the first sealing cover and the second sealing cover are provided with a bearing bottom end cover, and the top of the bearing ring is provided with a bearing inner end seat.

[0007] As a preferred scheme of the utility model, the inner wall of the bearing contact frame is provided with a rotating shaft contact wall, the outer side of the bearing contact wall is provided with a buffer layer, the outer side of the buffer layer is provided with a rotating layer, the outer side of the rotating layer is provided with a heat dissipation frame, the outer side of the heat dissipation frame is provided with a reinforcing layer, the outer side of the reinforcing layer is provided with a connecting ring, the connecting ring cavity is uniformly provided with a plurality of structure pads, the structure pads are respectively provided with auxiliary rotors between them, and the gap between the structure pads and the auxiliary rotors is provided with an adsorption frame.

[0008] Further, the buffer layer is provided with damping rubber frames formed by repeatedly crossing rubber sheets, and rubber cavities are formed at the intersections of the damping rubber frames.

[0009] Further, the rotating layer is provided with a rotating ball in the center, the bottom of the rotating ball is provided with an elastic adjusting frame, the left and right sides of the elastic adjusting frame are respectively provided with a group of ball limiting frames, an oil storage bin is arranged above the rotating ball, and a rubber extrusion ring is arranged at the outer end of the top of the rotating ball.

[0010] Further, the heat dissipation frame is provided with heat dissipation fins on the top, and the heat dissipation fins extend to the top outer edge of the bearing ring.

[0011] Further, the rotating shaft contact wall is provided with a rotating shaft clamping port at the top of the left and right ends, and the rotating shaft clamping port is provided with an anti-unclamping device.

[0012] Further, the second sealing cover is provided with an outward inclined edge at the top of the outer end, and an embedded extrusion ring is arranged at the top of the inner end.

[0013] Further, the bearing bottom end cover is provided with an outer bracket edge corresponding to the outward inclined edge, and the outward inclined edge is arranged on the outer wall of the outer bracket edge.

[0014] Further, the inner wall of the rotating shaft contact wall is provided with an arc-shaped wall at the bottom end.

[0015] Further, a group of embedded rings are arranged on the top edge of the first sealing cover.

[0016] (Three) beneficial effects

[0017] The high-speed motor bearing for the dust collector has a relatively short length, can effectively reduce the vertical space occupied by the rotating shaft and the bearing, and realizes high-speed rotation control of the dust removal brush in cooperation with the motor and the rotating shaft. The bearing is fixed to the structure of the bearing inner end seat by the bearing ring, the basic structural performance of the bearing is realized by the rotating structure inside the bearing inner end seat, the rotating ball and the auxiliary rotor arranged in the bearing inner end seat realize the bearing support and rotation performance, the high-speed rotation coordination performance of the bearing is ensured, the bearing can rotate at high speed with the rotating shaft, sealing covers are arranged at each connection position of the bottom of the bearing, and the special structure of the sealing cover edge is matched with the sealing structure of each connection component of the bearing, so that there is no gap between the bottom of the bearing and the contact end of the rotating shaft, and the negative influence of environmental pollutants on the bearing is effectively prevented. The damping rubber frame and the rubber cavity can effectively reduce the negative influence of the pressure of the rotating shaft on the support structure of the bearing inner end seat, avoid the influence of the bearing stress on the structural performance of the rotating component, the heat of the bearing is conducted to the heat dissipation fins by the heat dissipation frame, the heat is transmitted to the outer end of the bearing ring by the heat dissipation fins, and the negative influence of the heat on the bearing is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A structure schematic view of the high-speed motor bearing for a dust collector according to an embodiment of the present application;

[0019] Figure 2 A A-direction sectional view of the high-speed motor bearing for a dust collector according to an embodiment of the present application;

[0020] Figure 3 A structure schematic view of a B region of the high-speed motor bearing for a dust collector according to an embodiment of the present application;

[0021] Figure 4 A vertical sectional view of the high-speed motor bearing for a dust collector according to an embodiment of the present application;

[0022] Figure 5 A structure schematic view of a C region of the high-speed motor bearing for a dust collector according to an embodiment of the present application;

[0023] Figure 6 A structure schematic view of a D region of the high-speed motor bearing for a dust collector according to an embodiment of the present application.

[0024] Explanation of reference signs:

[0025] 1 is a bearing ring, 2 is a first sealing cover, 21 is an embedded ring, 3 is a bearing bottom end cover, 4 is a second sealing cover, 41 is an oblique outer edge, 42 is an embedded extrusion ring, 5 is a bearing contact frame, 51 is a rotating shaft contact wall, 52 is a buffer layer, 521 is a damping rubber frame, 522 is a rubber cavity, 53 is a rotating layer, 531 is a rotating ball, 532 is an oil storage warehouse, 533 is an elastic adjusting frame, 534 is a ball limiting frame, 535 is a rubber extrusion ring, 54 is a heat dissipation frame, 55 is a reinforcing layer, 56 is a structure pad, 57 is an auxiliary rotor, 58 is an adsorption frame, 6 is a bearing inner end seat, and 7 is a heat dissipation fin. DETAILED DESCRIPTION

[0026] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings and embodiments. The following embodiments are used to illustrate the present application, but not to limit the scope of the present application.

[0027] Reference Figures 1 to 6The utility model embodiment provides a kind of high-speed motor bearing for dust collector, including bearing sleeve ring 1, first sealing cover 2, second sealing cover 4 and bearing contact frame 5, bearing sleeve ring 1 inside is equipped with bearing contact frame 5, the outer end of bearing contact frame 5 is equipped with first sealing cover 2 with the bottom of bearing sleeve ring 1 contact end, the inner wall bottom of bearing contact frame 5 is equipped with second sealing cover 4, bearing bottom end cover 3 is equipped between first sealing cover 2 and second sealing cover 4, bearing sleeve ring 1 top is equipped with bearing inner end seat 6, based on the size of dust collector motor and its installation space, the bearing structure of shorter length is equipped to this dust collector motor bearing, reduce the vertical space occupied by bearing and motor, bearing sleeve ring 1 limits bearing assembly specification and installation setting, bearing inner end seat 6 and its components are all arranged in the inner cavity of bearing sleeve ring 1, guarantee the firmness and stability of bearing assembly setting structure, the connecting gap between the bottom inner side edge of bearing sleeve ring 1 and bearing bottom end cover 3 is protected using first sealing cover 2, improve the connection firmness between the bottom inner side edge of bearing sleeve ring 1 and bearing bottom end cover 3, increase the structural performance between the bottom inner side edge of bearing sleeve ring 1 and bearing bottom end cover 3, bearing bottom end cover 3 cover body structure realizes the limitation to the bottom edge of bearing inner end seat 6, increase the protection performance of the internal components of bearing inner ring seat 6, this motor bearing is equipped with output surface with bearing bottom end cover 3, set first sealing cover 2, bearing bottom end cover 3 and second sealing cover 4, avoid the negative influence of dust, debris and water vapor in ground environment in the process of dust collector use to the components of bearing inner end seat 6, realize the protection effect of bearing assembly, set second sealing cover 4 to realize the gap protection between bearing inner end seat 6 and rotating shaft, can increase the connection limit of rotating shaft to the bottom edge of bearing inner end seat 6, increase the firmness of bearing assembly and rotating shaft connection.

[0028] Refer to Figure 2, the inner wall of the bearing contact frame 5 is provided with a rotating shaft contact wall 51, the outer side of the bearing contact wall is provided with a buffer layer 52, the outer side of the buffer layer 52 is provided with a rotating layer 53, the outer side of the rotating layer 53 is provided with a heat dissipation frame 54, the outer side of the heat dissipation frame 54 is provided with a reinforcing layer 55, the inner cavity of the connecting ring is uniformly provided with a plurality of structure pads 56, the auxiliary rotors 57 are respectively arranged between the structure pads 56, the adsorption frame 58 is arranged in the gap between the structure pads 56 and the auxiliary rotors 57, the bearing contact frame 5 utilizes the rotating shaft contact wall 51 to establish the connection with the motor rotating shaft, drives the bearing assembly to rotate synchronously with the rotating shaft, the buffer layer 52 can reduce the impact on the rotating shaft contact wall 51 during the operation of the rotating shaft driving the rotating layer 53, can effectively buffer and protect the rotating shaft contact wall, the rotating layer 53 realizes the rotating support of the rotating shaft, cooperates with other structures to ensure the rotation accuracy of the rotating shaft, the rotating layer 53 is provided with a buffer structure in the inner cavity, which can effectively reduce the negative influence of friction on the bearing structure, the heat dissipation frame 54 can quickly export the heat generated during the operation of the rotating device, reduce the influence of high heat on the operation accuracy of the rotating assembly, the structure pads 56 can enhance the structural performance of the bearing and enhance the support strength, the auxiliary rotors 57 can form an outer rotating structure, effectively improve the rotating coordination between the bearings, and the adsorption frame 58 can absorb the small particles entering the bearing to avoid the negative influence of the particles on the operation of the bearing.

[0029] Referring to Figure 3 , the buffer layer 52 is provided with a damping rubber frame 521 formed by repeatedly crossing rubber sheets, and the damping rubber frame 521 is provided with rubber cavities 522 at the crossing positions, the rubber cavities 522 can increase the transverse space of the damping rubber frame 521, increase the installation space of the damping rubber frame 521, and improve the buffering effect of the damping rubber frame 521, the damping rubber frame 521 can reduce the impact of the circumferential force of the bearing, effectively prolong the service life of the motor bearing.

[0030] Referring to Figure 4The rotating layer 53 is centrally provided with a rotating ball 531, the bottom of the rotating ball 531 is centrally provided with an elastic adjusting frame 533, the left and right sides of the elastic adjusting frame 533 are respectively provided with a group of ball limiting frames 534, the rotating ball 531 is provided with an oil storage bin 532 above, and the rotating ball 531 is provided with a rubber extrusion ring 535 at the top outer end. The rotating ball 531 is rotatably supported and the shaft reset control is realized by the bearing structure inside the rotating layer 53, the diameter of the rotating ball 531 is consistent with the width of the rotating layer 53, the installation of the rotating ball 531 can be effectively avoided to move, the installation stability of the rotating ball 531 is ensured, the oil storage bin 532 is provided to provide lubricating oil inside the bearing structure, the complete sealing and anti-disengagement structure is arranged in the bearing structure, the leakage of the lubricating oil can be effectively prevented, the activity adjustment of the bearing structure is ensured, the bottom structure support of the rotating ball 531 is determined by the two groups of ball limiting frames 534 in the rotating layer 53, the working position of the rotating ball 531 is ensured, the elastic support of the rotating ball 531 is matched with the elastic adjusting frame 533, the negative influence of the vertical stress of the rotating ball 531 on the structure can be buffered, the installation of the oil storage bin 532 can be avoided by the elastic support of the rotating ball 531 by the elastic adjusting frame 533, and the rationality of the components arranged in the rotating layer 53 is ensured.

[0031] The top of the heat dissipation frame 54 is provided with heat dissipation fins 7, the heat dissipation fins 7 extend to the top outer edge of the bearing sleeve 1, the heat absorbed by the heat dissipation frame 54 can be quickly conducted out through the heat dissipation fins 7, the heat is quickly dissipated from the outer end of the bearing sleeve 1, the adverse effect of the heat generated by the bearing rotation on the operation of the bearing itself is reduced, the stable operation of the bearing is avoided by high temperature, and the accuracy of the bearing rotation is ensured.

[0032] The top of the rotating shaft contact wall 51 is provided with a rotating shaft clamping interface at the left and right ends, the rotating shaft clamping interface is provided with an anti-disengagement buckle, the rotating shaft contact wall 51 is connected with the rotating shaft, the top of the rotating shaft contact wall 51 is provided with the rotating shaft clamping interface, the accuracy of the connection between the rotating shaft and the bearing can be ensured, the clamping bolt arranged on the rotating shaft is arranged in the rotating shaft clamping interface and embedded in the anti-disengagement buckle, the accuracy and firmness of the connection between the rotating shaft and the rotating shaft contact wall 51 can be ensured, and the rotating control of the bearing by the rotating shaft is established.

[0033] Referring to Figure 5 The top outer end of the second sealing cover 4 is provided with an inclined outer edge 41, the top inner end of the second sealing cover 4 is provided with an embedded extrusion ring 42, the top of the second sealing cover 4 is provided with the inclined outer edge 41 to form a sealing connection with the bearing bottom end cover 3 and the rotating shaft contact end, the sealing connection between the bearing bottom end cover 3 and the bearing inner end seat 6 is realized, the sealing of the bearing inner end cover 6 and the installation position of the rotating shaft is established, the structural performance of the connecting components on the inner and outer sides of the second sealing cover 4 is ensured, the embedded extrusion ring 42 is arranged to avoid the disengagement of the second sealing cover 4 and the connecting structure, and the connection stability of the top of the inclined outer edge 41 and the connecting components thereof is enhanced.

[0034] The outer end of the bearing bottom end cover 3 corresponds to the oblique outer edge 41 and is provided with an outer wrapping edge, and the oblique outer edge 41 is arranged on the outer wall of the outer wrapping edge, so that the second sealing cover 4 can be arranged on the oblique outer edge 41 of the outer wrapping edge, the connection between the outer end edge of the second sealing cover 4 and the bearing bottom end cover 3 is realized, a gap is avoided between the bearing bottom end cover 3 and the connecting structure end of the bottom of the bearing inner end seat 6, and the safety of the bearing is ensured.

[0035] The inner wall bottom end of the rotating shaft contact wall 51 is provided with an arc-shaped wall, the arc-shaped wall arranged at the bottom of the rotating shaft contact wall 51 can establish a connection with the built-in extrusion ring 42 at the top of the inner wall of the second sealing cover 4, and the built-in extrusion ring 42 is provided with a mounting space.

[0036] Referring to Figure 6 The first sealing cover 2 is provided with a group of embedded rings 21 at the top edge, respectively, and the first sealing cover 2 is embedded into the bearing sleeve 1 and the bearing bottom end cover 3 through the two groups of embedded rings 21, respectively, so that the connection position of the bearing sleeve 1 and the bearing bottom end cover 3 is sealed and protected.

[0037] The high-speed motor bearing for a dust collector provided in the embodiment of the utility model is installed downward on the rotating shaft of the dust collector motor, the first sealing cover 2 and the second sealing cover 4 are used to realize the sealing protection of the bearing structure, the dust and debris raised by the dust collecting brush during the operation of the dust collector can directly enter the dust collecting bin, and the negative influence on the internal structure of the bearing is avoided, the elastic support and the limiting assembly are arranged in the bearing structure, the rotation and limiting control of the bearing assembly are effectively ensured, the output adjustment performance of the bearing on the motor is improved, the heat dissipation and buffering structure arranged in the bearing can effectively reduce the negative influence of the operation of the bearing on itself, and the service life of the bearing is effectively prolonged.

[0038] Although the disclosure is disclosed as above, the protection scope of the disclosure is not limited to this. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the protection scope of the utility model.

Claims

1. A high speed motor bearing for a vacuum cleaner, characterized by, Including bearing ring (1), first sealing cover (2), second sealing cover (4) and bearing contact frame (5), the inner side of the bearing ring (1) is provided with the bearing contact frame (5), the outer end of the bearing contact frame (5) is provided with the first sealing cover (2) with the bearing ring (1) contact end bottom, the inner wall bottom of the bearing contact frame (5) is provided with the second sealing cover (4), the first sealing cover (2) and the second sealing cover (4) are provided with the bearing bottom end cover (3), the top of the bearing ring (1) is provided with the bearing inner end seat (6); Wherein, the inner wall of the bearing contact frame (5) is provided as a rotating shaft contact wall (51), the outer side of the rotating shaft contact wall is provided with a buffer layer (52), the outer side of the buffer layer (52) is provided with a rotating layer (53), the outer side of the rotating layer (53) is provided with a heat dissipation frame (54), the outer side of the heat dissipation frame (54) is provided with a reinforcing layer (55), the outer side of the reinforcing layer (55) is provided with a connecting ring, the inner cavity of the connecting ring is uniformly provided with a plurality of structure pads (56), the structure pads (56) are respectively provided with auxiliary rotors (57) between them, and the gap between the structure pads (56) and the auxiliary rotors (57) is provided with an adsorption frame (58).

2. A high speed motor bearing for a vacuum cleaner as claimed in claim 1, wherein, The buffer layer (52) is provided with a damping rubber frame (521) formed by repeatedly crossing rubber sheets, and the damping rubber frame (521) is respectively provided with a rubber cavity (522) at the intersection.

3. A high speed motor bearing for a vacuum cleaner as claimed in claim 1, wherein, The rotating layer (53) is provided with a rotating ball (531) in the center, the bottom center of the rotating ball (531) is provided with an elastic adjusting frame (533), the left and right sides of the elastic adjusting frame (533) are respectively provided with a group of ball limiting frames (534), the rotating ball (531) is provided with an oil storage bin (532) above, and the rotating ball (531) is provided with a rubber extrusion ring (535) at the outer end of the top.

4. A high speed motor bearing for a vacuum cleaner as set forth in claim 1, wherein, The heat dissipation fin (7) extends to the top outer edge of the bearing ring (1).

5. A high speed motor bearing for a vacuum cleaner as claimed in claim 1, wherein, The rotating shaft clamping port is provided with an anti-unclamping structure.

6. A high speed motor bearing for a vacuum cleaner as claimed in claim 1, wherein, The outer end top of the second sealing cover (4) is provided with an inclined outer edge (41), and the inner end top of the second sealing cover (4) is provided with an embedded extrusion ring (42).

7. A high speed motor bearing for a vacuum cleaner as claimed in claim 6 wherein, The outer end of the bearing bottom end cover (3) is provided with an outer bracket edge corresponding to the inclined outer edge (41), and the inclined outer edge (41) is arranged on the outer wall of the outer bracket edge.

8. A high speed motor bearing for a vacuum cleaner as claimed in claim 1, wherein, The inner wall bottom of the rotating shaft contact wall (51) is provided with an arc wall.

9. A high speed motor bearing for a vacuum cleaner as claimed in claim 1, wherein, The top edge of the first sealing cover (2) is respectively provided with a group of embedded rings (21).