CN218479972U

CN218479972U - Binary channels dust absorption motor top cap with water conservancy diversion function

Info

Publication number: CN218479972U
Application number: CN202222310463.0U
Authority: CN
Inventors: 任起东; 陆亚洲; 郭惠玖
Original assignee: Zhangjiagang Huajie Electronics Co Ltd
Current assignee: Zhangjiagang Huajie Electronics Co Ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-02-14
Anticipated expiration: 2032-08-31

Abstract

The utility model relates to a binary channels dust absorption motor top cap with water conservancy diversion function, including the interior barrel and the outer barrel that set up with one heart, form annular outer runner between interior barrel and the outer barrel, the top center coaxial bolster bearing housing that is provided with of interior barrel, integrative the forming has a bulge loop on bolster bearing housing's the outer periphery, the circumference equipartition has many radial outside extension's tie-beams on the bulge loop outer periphery, each tie-beam outwards extend to interior barrel top and with interior barrel fixed connection, form a ventilation hole between the arbitrary two adjacent tie-beams, the circumference equipartition has the water conservancy diversion piece that the multi-disc slope set up in the outer runner, and the both sides of arbitrary water conservancy diversion piece are connected respectively on interior barrel outer wall and outer barrel inner wall, the lower extreme circumference equipartition of outer barrel has three downwardly extending's landing leg, and the landing leg lower extreme is used for connecting dust absorption motor base. The utility model discloses can effectively reduce dust absorption fan wind and make an uproar and vibrations, it is poor to improve user experience.

Description

Binary channels dust absorption motor top cap with water conservancy diversion function

Technical Field

The utility model belongs to the technical field of the motor, a binary channels dust absorption motor top cap with water conservancy diversion function is related to.

Background

The dust collection motor has strong air suction capacity, the centrifugal impeller is driven by the ultrahigh rotating speed of the rotating shaft to rotate at a high speed to form high-speed airflow, and then strong negative pressure is formed at the suction nozzle of the dust collector to absorb and remove dust and larger substances.

The dust-absorbing motor generally comprises an inner rotor and an outer rotor, an air flow channel of the outer rotor dust-absorbing motor is arranged in the center of the motor, the dust-absorbing motor has good air circulation, and the blocking in the air circulation process is very little, so that the wind noise of the outer rotor dust-absorbing motor in the application process is smaller, but the wind-absorbing strength is poorer because the torque of the outer rotor motor is large and the rotating speed is lower. And the inner rotor is little because of the moment of torsion, therefore the rotational speed is improved more easily, it rotates with higher rotational speed to drive centrifugal impeller, form bigger wind-force that induced drafts, but inner rotor motor is because of the interference of rotor and stator, although air current channel has been set up in the stator outside, nevertheless because the motor casing front end is provided with a large amount of connecting ribs, therefore the air current passes when motor casing front end, produce very big noise because of strikeing connecting rib, still be accompanied with the shake trill of connecting rib self vibrations simultaneously, lead to inner rotor dust absorption motor when using, the noise is big, vibrations are strong, user experience is poor.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the utility model provides a binary channels dust absorption motor top cap with water conservancy diversion function to solve present inner rotor dust absorption fan wind and make an uproar big, shake strong, user experience poor technical problem.

In order to solve the technical problem, the utility model adopts the technical scheme that: the utility model provides a binary channels dust absorption motor top cap with water conservancy diversion function, includes the interior barrel and the outer barrel that set up with one heart, forms annular outer runner between interior barrel and the outer barrel, and the top center coaxial of interior barrel is provided with bolster bearing housing, and integrative the forming has a bulge loop on bolster bearing housing's the outer periphery, and the circumference equipartition has many radial outside extension's tie-beams on the bulge loop outer periphery, and each tie-beam outwards extends to interior barrel top and with interior barrel fixed connection, forms a ventilation hole between two arbitrary adjacent tie-beams, the circumference equipartition has the water conservancy diversion piece that the multi-disc slope set up in the outer runner, and the both sides of arbitrary water conservancy diversion piece are connected respectively on interior barrel outer wall and outer barrel inner wall, the lower extreme circumference equipartition of outer barrel has three downwardly extending's landing leg, and the landing leg lower extreme is used for connecting dust absorption motor base.

As a preferable scheme, the flow deflector is arc-shaped, the concave arc surface of the flow deflector inclines downwards, the convex arc surface of the flow deflector inclines upwards, the lower ends of the inner cylinder and the outer cylinder are flush, and the lower end of the flow deflector extends to the lower edge of the inner cylinder.

Preferably, the upper bearing seat is positioned above the inner cylinder, and any connecting beam is obliquely connected between the convex ring and the top end of the inner cylinder.

Preferably, the edges of all the connecting beams are provided with chamfers.

As a preferred scheme, three cylindrical positioning blocks for fixing the dust collection motor stator assembly are uniformly distributed on the top of the inner cylinder in the circumferential direction, a positioning hole is formed in any one of the positioning blocks, the axial direction of the positioning hole is parallel to the axial direction of the inner cylinder, one part of the positioning block protrudes out of the inner cylinder, the positioning block located outside the inner cylinder extends downwards to the lower end of the inner cylinder along the outer wall of the inner cylinder and is connected with the top end of one supporting leg, arc-shaped grooves corresponding to the three positioning holes one by one are formed in the inner wall of the inner cylinder, the grooves and the corresponding positioning holes are coaxially arranged, and the radius of each groove is larger than that of each positioning hole.

The utility model has the advantages that: the utility model discloses utilizing the water conservancy diversion piece to connect interior barrel and outer barrel, reducing the thickness of water conservancy diversion piece through the length that increases the water conservancy diversion piece, on the basis of barrel and outer barrel connection stability in guaranteeing, less windage area has reduced wind and has made an uproar, simultaneously, the water conservancy diversion piece that the slope set up agrees with by the spiral air current soon that centrifugal impeller drainage formed, further reduces the windage, reduces wind and makes an uproar. The obliquely arranged flow deflector can also effectively reduce vibration and improve the working stability of the dust collection motor.

Drawings

The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:

fig. 1 is a schematic perspective view of the utility model in a slanting and bending direction;

fig. 2 is a schematic perspective view of the present invention in a tilted elevation direction;

in fig. 1 and 2: 1. the bearing assembly structure comprises an inner cylinder body, 2 an outer cylinder body, 3 an outer flow channel, 4 an upper bearing seat, 5 a convex ring, 6 a connecting beam, 7 a vent hole, 8 a flow deflector, 9 a supporting leg, 10 a chamfer, 11 a positioning block, 12 a positioning hole, 13 a groove, 14 a concave arc surface, 15 a convex arc surface, 16 a bearing assembly hole, 17 and a shaft hole.

Detailed Description

The following describes in detail a specific embodiment of the present invention with reference to the drawings.

As shown in fig. 1 and 2, a dual-channel dust collection motor top cap with a flow guide function comprises an inner cylinder body 1 and an outer cylinder body 2 which are concentrically arranged, an annular outer flow channel 3 is formed between the inner cylinder body 1 and the outer cylinder body 2, an upper bearing seat 4 is coaxially arranged at the top center of the inner cylinder body 1, a bearing assembly groove 16 is formed at the lower end surface center of the upper bearing seat 4, a shaft hole 17 is formed at the top surface center of the bearing assembly groove 16, a convex ring 5 is integrally formed on the outer circumferential wall of the upper bearing seat 4, a plurality of connecting beams 6 which radially extend outwards are circumferentially and uniformly distributed on the outer circumferential surface of the convex ring 5, each connecting beam 6 extends outwards to the top end of the inner cylinder body 1 and is fixedly connected with the inner cylinder body 1, a vent hole 7 is formed between any two adjacent connecting beams 6, a plurality of obliquely arranged flow guide vanes 8 are circumferentially and uniformly distributed in the outer flow channel 3, two sides of any flow guide vane 8 are respectively connected to the outer wall of the inner cylinder body 1 and the inner wall of the outer cylinder body 2, three downwardly extending supporting legs 9 are circumferentially and the lower end of the outer cylinder body 2 is used for connecting a supporting leg of a dust collection motor base.

In this embodiment, the flow deflector 8 is arc-shaped, the concave arc surface 14 of the flow deflector inclines downwards, the convex arc surface 15 inclines upwards, the lower ends of the inner cylinder body 1 and the outer cylinder body 2 are flush, and the lower end of the flow deflector 8 extends to the lower edge of the inner cylinder body 1. The arc-shaped flow deflector 8 gradually reduces the included angle between the air flow flowing direction and the axial direction of the outer flow passage 3, so that the efficiency of the air flow passing through the outer flow passage 3 is improved, the front and back air flow circulation efficiency of the whole dust collection motor is improved, and the suction capacity of the dust collector is improved.

In this embodiment, the upper bearing seat 4 is located above the inner cylinder 1, and any one of the connection beams 6 is obliquely connected between the convex ring 5 and the top end of the inner cylinder 1. The ventilation hole 7 of forming bigger area between the tie-beam 6 that the slope set up improves ventilation efficiency, and the tie-beam 6 that the slope set up and the air current that gets into interior barrel 1 become certain angle, have reduced the air current and have strikeed the tie-beam 6 and the noise that produces, have also reduced the vibrations of tie-beam 6, can improve the stability of whole dust absorption motor.

The edges of all the connecting beams 6 are provided with chamfers 10 to eliminate strong vibration and high noise generated by wind breaking at sharp edges.

In this embodiment, three cylindrical positioning blocks 11 for fixing a dust collection motor stator assembly (not shown in the figure) are uniformly distributed on the top of the inner cylinder 1 in the circumferential direction, a positioning hole 12 is formed in any positioning block 11, the axial direction of the positioning hole 12 is parallel to the axial direction of the inner cylinder 1, a part of the positioning block 11 protrudes out of the inner cylinder 1, the positioning block 11 located outside the inner cylinder 1 extends downwards to the lower end of the inner cylinder 1 along the outer wall of the inner cylinder 1 and is connected with the top end of one supporting leg 9, so that the stability of the supporting leg 9 is improved, arc-shaped grooves 13 corresponding to the three positioning holes 12 one by one are formed in the inner wall of the inner cylinder 1, the grooves 13 are coaxial with the corresponding positioning holes 12, and the radius of each groove 13 is greater than that of the positioning hole 12. The inner cylinder body 1 is used for assembling a stator assembly of the dust collection motor, and the upper end of the stator assembly is inserted into the inner cylinder body 1 and is fixedly connected to the three positioning blocks 11 through bolts.

The utility model discloses the working process is: as shown in fig. 1, in practical application, centrifugal impeller sets up the top of dust absorption motor top cap, with the pivot tip fixed connection who passes bolster bearing housing 4, drive high-speed rotation by the pivot, centrifugal impeller outside has cup jointed an induced air section of being with outer barrel 2 coaxial coupling, induced air section connects the upper end at outer barrel 2, centrifugal impeller high-speed rotation forms the high-speed air current of spiral downward flow in induced air section, influenced by centrifugal force, most high-speed air current gets into in outer runner 3 along induced air section inner wall downwards, and flow down along water conservancy diversion piece 8 in outer runner 3, outwards discharge from between each landing leg 9 of outer barrel 2 lower extreme, and the air current that the small part lies in induced air section middle part then gets into interior barrel 1 through vent 7 between tie-beam 6, and flow down along interior barrel 1 axial, because induced air section center air current density is low, the velocity of flow is slow, therefore when this part air current gets into interior barrel 1, the impact to tie-beam 6 is not strong, the noise that produces, the air current that gets into in interior barrel 1 can cool off subassembly, the stator module, the operating temperature is improved, motor safety is used.

The foregoing embodiments are merely illustrative of the principles and effects of the present invention, as well as some embodiments, and are not intended to limit the invention; it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications belong to the protection scope of the present invention.

Claims

1. The utility model provides a binary channels dust absorption motor top cap with water conservancy diversion function, a serial communication port, including interior barrel (1) and outer barrel (2) of concentric setting, form annular outer runner (3) between interior barrel (1) and outer barrel (2), the top center coaxial of interior barrel (1) is provided with bolster bearing housing (4), integrated into one piece has a bulge loop (5) on the outer periphery of bolster bearing housing (4), the circumference equipartition has many radial outside extension tie-beams (6) on the outer periphery of bulge loop (5), each tie-beam (6) outwards extend to interior barrel (1) top and with interior barrel (1) fixed connection, form one ventilation hole (7) between arbitrary two adjacent tie-beams (6), the circumference equipartition has water conservancy diversion piece (8) that the multi-disc slope set up in outer runner (3), the both sides of arbitrary water conservancy diversion piece (8) are connected respectively on interior barrel (1) outer wall and outer barrel (2) inner wall, the lower extreme circumference of outer barrel (2) has three downwardly extending's landing leg (9), landing leg (9) lower extreme is used for connecting dust absorption motor base.

2. The two-channel dust collection motor top cover with the flow guide function according to claim 1, wherein the flow guide sheet (8) is arc-shaped, the concave arc surface of the flow guide sheet is inclined downwards, the convex arc surface of the flow guide sheet is inclined upwards, the lower ends of the inner barrel (1) and the outer barrel (2) are flush, and the lower end of the flow guide sheet (8) extends to the lower edge of the inner barrel (1).

3. The double-channel dust collection motor top cover with the flow guide function is characterized in that the upper bearing seat (4) is located above the inner cylinder (1), and any connecting beam (6) is obliquely connected between the convex ring (5) and the top end of the inner cylinder (1).

4. The dual-channel dust collection motor top cover with the flow guide function as claimed in claim 1, wherein the edges of all the connecting beams (6) are provided with chamfers (10).

5. The two-channel dust collection motor top cover with the flow guide function according to claim 1, wherein three cylindrical positioning blocks (11) for fixing a dust collection motor stator assembly are uniformly distributed on the top of the inner cylinder (1) in the circumferential direction, a positioning hole (12) is formed in any one of the positioning blocks (11), the axial direction of the positioning hole (12) is parallel to the axial direction of the inner cylinder (1), a part of the positioning block (11) protrudes out of the inner cylinder (1), a part of the positioning block protrudes out of the inner cylinder (1), the positioning block (11) located outside the inner cylinder (1) extends downwards to the lower end of the inner cylinder (1) along the outer wall of the inner cylinder (1) and is connected with the top end of one supporting leg (9), arc-shaped grooves (13) corresponding to the three positioning holes (12) one by one are formed in the inner wall of the inner cylinder (1), the grooves (13) are coaxial with the corresponding positioning holes (12), and the radius of the grooves (13) is larger than that of the positioning holes (12).