Air conditioner blower structure for new energy vehicle

By stably installing the motor between the housing and the flange in the air conditioner blower, and by using limiting components and connecting structures, the problems of unstable motor installation and high noise are solved, and the coaxiality and dynamic balance of the motor and impeller are improved.

CN115681177BActive Publication Date: 2025-10-24NINGBO SHENGDE ELECTRICAL TECH
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Patent Information

Application Number
CN202110823266.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-07-21
Publication Date
2025-10-24
Estimated Expiration
2041-07-21

AI Technical Summary

Technical Problem

Existing automotive air conditioning blowers are noisy, and the motors are not installed stably, resulting in vibration and poor dynamic balance, which affects the blowing effect.

Method used

By stably mounting the motor between the housing and the flange, the stability and coaxiality of the motor are improved by using limiting components and connecting structures, including the coordinated use of components such as motor limiting sleeves, connecting plate slots, and shaft limiting sleeves.

Benefits of technology

Reduce noise, improve motor installation stability and impeller dynamic balance, ensure stable impeller rotation, and reduce vibration and noise.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to the technical field of air blower, and relates to a new energy automobile air conditioner air blower structure which comprises an impeller, a flange plate, a motor and an outer shell body; the bottom of the impeller is connected with the flange plate; the center of the flange plate is provided with a motor matching through hole matched with the motor; the rotating shaft on the motor passes through the motor matching through hole and is rotationally connected with the center of the impeller; the outer shell body is fixedly connected with the flange plate, and the motor is limited between the outer shell body and the flange plate. The application has the advantages of reducing noise, further improving the stability of motor installation, realizing the same core and same axis of the motor and the impeller, and improving the dynamic balance effect of the impeller during driving.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of air blower, in particular to an air conditioner air blower structure for new energy vehicles. BACKGROUND

[0002] The existing air conditioner air blower, such as the air conditioner air blower assembly disclosed in Chinese invention patent (publication number CN109578336A), comprises a shell, an impeller arranged in the shell, and a driving motor for driving the impeller to rotate, the shell has an air inlet and an air outlet; the impeller has blades uniformly distributed along its circumference, and the shell is formed with a vortex flow channel on the radial outer side of the impeller; the vortex flow channel comprises a circulation part and a straight flow part which are in communication, and has a vortex tongue at the connecting part of the circulation part and the straight flow part, the vortex tongue protrudes towards the circulation part along the circumference of the impeller, the protruding direction is opposite to the rotating direction of the impeller, the straight flow part is inclinedly arranged relative to the plane where the circulation part is located, and extends outward, the included angle between the straight flow part and the air inlet direction is α, and 42°≤α≤48°, and the circulation part forms a vortex starting point and a vortex ending point at both sides of the vortex tongue. It is beneficial to reduce the air inlet resistance, improve the effective exhaust air volume, reduce the working noise and vibration, and improve the comprehensive evaluation of the air conditioning system of the vehicle.

[0003] The existing air conditioner air blower produces a large noise during work, the decibel is too large, which affects the working state of the whole air blower; and the stability of the motor installed in the air blower is not good enough, the matching degree of installation is not high enough, which will cause the motor to vibrate during work, and then the impeller will not be stable during rotation; at the same time, the rotating shaft of the motor cannot be coaxial, which will cause the motor to have poor dynamic balance during driving, resulting in poor air blowing effect of the whole air blower. SUMMARY

[0004] The present application solves the technical problems of poor stability and large noise of the air conditioner air blower, and provides an air conditioner air blower structure for new energy vehicles, which further improves the stability of the motor drive by stably installing the motor between the outer shell and the flange plate, thereby further improving the air blowing effect of the whole air blower.

[0005] For the purpose of the present application, the following technical solutions are adopted:

[0006] The utility model provides a kind of air conditioner blower structure for new energy vehicle, which comprises impeller, flange plate, motor and outer shell;The bottom of the impeller is connected with the flange plate;The center of the flange plate is provided with motor matching hole matched with the motor;The rotating shaft on the motor passes through the motor matching hole and is connected with the center of the impeller, and the motor is limited on the flange plate;The outer shell is fixedly connected with the flange plate, and the motor is limited between the outer shell and the flange plate;The motor comprises motor shell, upper connecting plate and lower connecting plate;The motor shell is in the form of hollow circular tube, and the top of the motor shell is provided with upper connecting plate clamping block on both sides;The upper connecting plate is provided with upper connecting clamping groove matched with the upper connecting plate clamping block on both sides, and the upper connecting plate is horizontally arranged on the connecting plate clamping block at the top of the motor shell, and the both ends of the upper connecting plate exceed the both sides of the motor shell;The middle part of the upper connecting plate is provided with rotating shaft upper through hole for the upper end of the rotating shaft to pass through;The bottom of the motor shell is provided with lower connecting plate clamping block on both sides;The lower connecting plate is provided with lower connecting clamping groove matched with the lower connecting plate clamping block on both sides, and the lower connecting plate is horizontally arranged on the lower connecting plate clamping block at the bottom of the motor shell, and the both ends of the lower connecting plate exceed the both sides of the motor shell;The middle part of the lower connecting plate is provided with rotating shaft lower through hole for the lower end of the rotating shaft to pass through;Motor limiting piece is arranged between the upper connecting plate and the lower connecting plate;The motor limiting piece is limited between the outer shell and the flange plate.

[0007] As a preferred, the motor limiting piece is a motor limiting sleeve, which is sleeved on the outside of the motor shell and is limited between the upper connecting plate and the lower connecting plate, and the lower part of the motor limiting sleeve is provided with limiting sleeve notches on both sides;The limiting sleeve notches on both sides are matched with the both ends of the lower connecting plate;The middle part of the outer ring of the motor limiting sleeve is regularly arranged with limiting sleeve connecting plates matched with the motor limiting grooves;The limiting sleeve connecting plates are provided with connecting plate limiting sockets;The limiting sleeve connecting plates are provided with connecting plate limiting sleeves.

[0008] As a preferred, the middle part of the connecting plate limiting sleeve is provided with an annular clamping groove;The annular clamping groove is matched with the connecting plate limiting socket.

[0009] As a preferred, the motor shell is provided with a stator, and the stator is provided with a rotor;The both sides of the lower connecting plate are respectively provided with positive brush and negative brush.

[0010] As preferred, the bottom surface of the impeller is a spherical convex surface protruding upward; the center of the spherical convex surface is provided with a rotating shaft through hole; the bottom surface of the spherical convex surface is provided with a rotating shaft connecting sleeve; the outer circle of the rotating shaft connecting sleeve is regularly arranged with a plurality of connecting support rods connected with the spherical convex surface; the center of the top surface of the spherical convex surface is provided with a rotating shaft limiting sleeve; the rotating shaft limiting sleeve is in communication with the rotating shaft connecting sleeve and the rotating shaft through hole; the outer circle of the impeller is regularly arranged with a plurality of blades.

[0011] The bottom of the plurality of blades is arranged on the outer circle of the bottom surface of the impeller, the top outer side of the plurality of blades is fixedly connected with a connecting ring, the blades are longitudinally arranged and the blades are curved in a clockwise arc shape.

[0012] As preferred, the bottom surface of the flange plate is provided with a plurality of regularly arranged motor limiting grooves outside the outer circle of the motor matching through hole, and a plurality of regularly arranged shell mounting holes are further arranged on the bottom surface of the flange plate; an air outlet is further arranged on the outer circle of the flange plate.

[0013] As preferred, a regularly arranged connecting mounting plate is further arranged on the outer circle of the flange plate.

[0014] As preferred, a mounting groove is arranged on the shell, the mounting groove includes an air outlet groove and a motor mounting groove; the air outlet groove is in communication with the air outlet; the center of the motor mounting groove is provided with a bottom limiting through hole matched with the bottom of the motor; a plurality of motor limiting portions matched with the motor limiting grooves are arranged on the outer circle of the motor mounting groove of the shell; a limiting rod is arranged on each motor limiting portion; a plurality of flange plate mounting plates matched with the flange plate mounting holes are further arranged on the outer circle of the motor mounting groove of the shell.

[0015] As preferred, a matching clamping block is arranged on the front and rear sides of the air outlet; a matching clamping opening matched with the matching clamping block is arranged on the front and rear sides of the air outlet groove of the shell.

[0016] The new energy automobile air conditioner blower structure adopts the above technical scheme, the spherical convex surface on the impeller facilitates the installation of the motor with sufficient space, and can better improve the blowing effect. The rotating shaft connecting sleeve can better install and limit the rotating shaft of the motor, further improving the same core coaxial effect. The connecting support rod can further improve the connection strength of the rotating shaft connecting sleeve, further improving the supporting effect, so as to better ensure the same core coaxial effect of the rotating shaft of the motor. The rotating shaft limiting sleeve can limit the protruding rotating shaft in the rotating shaft limiting sleeve, better protecting the rotating shaft, and better driving the impeller to rotate. The connecting ring further improves the connection strength of the plurality of blades, thereby further improving the stability of the blades in the rotation process, and further reducing the noise, controlling the volume within decibels.

[0017] The three motor limiting grooves on the flange plate facilitate better limiting of the motor, improve the stability of the motor installation, and thus better ensure the stability of the motor during rotation. The shell body mounting hole facilitates better fixed connection with the shell body, thus improving the connection strength and enabling the motor to be stably fixed between the flange plate and the shell body.

[0018] The connection clamping groove on the motor cooperates with the upper connecting plate clamping block, which not only facilitates installation and improves the connection strength, but also better performs center positioning. The upper connecting plate further improves the support of the motor shell and better limits the motor limiting piece. The upper through hole cooperates with the rotating shaft to limit the rotating shaft and better realize the same core and same axis, so that the rotating shaft stably rotates to drive the impeller to stably rotate, further improve the impeller rotation effect, improve the dynamic balance effect, reduce the vibration during impeller rotation, and reduce noise. The lower connecting clamping groove cooperates with the lower connecting plate clamping block, which not only facilitates installation and improves the connection strength, but also better performs center positioning. The lower connecting plate further improves the support of the motor shell and better limits the motor limiting piece. The motor limiting piece better fixes the entire motor between the shell body and the flange plate, prevents the motor from shaking or vibrating, improves the stability and dynamic balance effect, and ensures the stable rotation of the impeller while preventing loud noise.

[0019] The motor limiting part on the shell body cooperates with the motor limiting groove to further fix the motor and prevent the motor from shaking. The limiting rod passes through the through hole of the connecting plate limiting sleeve to limit and fix the motor limiting sleeve, and also limits and fixes the motor, further improving the limiting and fixing effect. The flange plate mounting plate is fixedly connected with the shell body mounting hole through the screw, so as to fixedly connect the shell body and the flange plate, improve the connection strength, and improve the stability of the entire device. The cooperation of the clamping block and the clamping opening further ensures the connection strength of the shell body and the flange plate, and prevents the shell body and the flange plate from being separated.

[0020] In summary, the advantages of the present application are to reduce noise and further improve the stability of the motor installation, realize the same core and same axis of the motor and the impeller, and improve the dynamic balance effect of the impeller during driving. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a structural schematic view of the air cooling fan structure of the new energy automobile air conditioner of the present application.

[0022] Figure 2 is a sectional view of the air cooling fan structure of the new energy automobile air conditioner of the present application.

[0023] Figure 3It is the explosion view of the air conditioner blower structure for new energy vehicle of the present application.

[0024] Figure 4 It is the structure schematic view of the impeller and the flange plate in the present application.

[0025] Figure 5 It is the structure schematic view of the motor in the present application.

[0026] Figure 6 It is the structure schematic view of the outer shell in the present application.

[0027] Wherein: 1, impeller; 11, spherical convex surface; 12, rotating shaft adapter sleeve; 13, adapter support rod; 14, rotating shaft limiting sleeve; 15, blade; 16, connecting ring; 2, flange plate; 21, motor matching through hole; 22, motor limiting groove; 23, outer shell mounting hole; 24, air outlet; 25, connecting mounting plate; 26, matching clamping block; 3, motor; 30, rotating shaft; 31, motor shell; 311, upper connecting plate clamping block; 312, lower connecting plate clamping block; 32, upper connecting plate; 321, upper connecting clamping groove; 322, rotating shaft matching upper through hole; 33, lower connecting plate; 331, lower connecting clamping groove; 332, rotating shaft matching lower through hole; 34, rotor; 35, stator; 36, positive brush; 37, negative brush; 38, motor limiting sleeve; 381, limiting sleeve recess; 382, limiting sleeve connecting plate; 383, connecting plate limiting clamping hole; 384, connecting plate limiting sleeve; 385, annular clamping groove; 4, outer shell; 40, mounting groove; 41, air outlet groove; 42, motor mounting groove; 43, bottom limiting through hole; 44, motor limiting portion; 45, limiting rod; 46, flange plate mounting plate; 47, matching clamping hole. DETAILED DESCRIPTION

[0028] The present application will be further described below in conjunction with the drawings and specific embodiments.

[0029] As Figures 1 to 3 shown, an air conditioner blower structure for new energy vehicle, the structure includes impeller 1, flange plate 2, motor 3 and outer shell 4; the bottom of impeller 1 is connected with flange plate 2; the center of flange plate 2 is provided with motor matching through hole 21 matched with motor 3; rotating shaft 30 on motor 3 passes through motor matching through hole 21 and is rotationally connected with the center of impeller 1, and motor 3 is limited on flange plate 2; outer shell 4 is fixedly connected with flange plate 2, and motor 3 is limited between outer shell 4 and flange plate 2.

[0030] As Figure 3 and Figure 4As shown, the impeller 1 is integrally formed as a whole. The bottom surface of the impeller 1 is a spherical convex surface 11 protruding upward, which provides sufficient space for the installation of the motor 3 and better improves the blowing effect. The center of the spherical convex surface 11 is provided with a shaft through hole, through which the shaft 30 of the motor 3 is installed. The bottom surface of the spherical convex surface 11 is provided with a shaft adapter sleeve 12, which can better install and limit the shaft 30 of the motor 3, further improve the same core coaxial effect. The outer circle of the shaft adapter sleeve 12 is regularly arranged with a plurality of connection support rods 13 connected with the spherical convex surface 11, which can further improve the connection strength of the shaft adapter sleeve 12 and further improve the supporting effect, so as to better ensure the same core coaxial effect of the shaft 30 of the motor 3. The top surface of the spherical convex surface 11 is provided with a shaft limiting sleeve 14; the shaft limiting sleeve 14 is communicated with the shaft adapter sleeve 12 and the shaft through hole, and the protruding shaft 30 is limited in the shaft limiting sleeve 14, which can better protect the shaft 30 and better drive the impeller 1 to rotate. The outer circle of the impeller 1 is regularly arranged with a plurality of blades 15. The bottom of the plurality of blades 15 is arranged on the outer circle of the bottom surface of the impeller 1, and the top outer side of the plurality of blades 15 is fixedly connected with a connecting ring 16, which further improves the connection strength of the plurality of blades 15, thereby further improving the stability of the blades 15 in the rotating process and further reducing the noise, which is controlled within 10 decibels. The blade 15 is longitudinally arranged and the blade 15 is curved in an arc shape in a clockwise direction, which can better realize the blowing effect.

[0031] As shown in Figure 3 and Figure 4 , the bottom surface of the flange plate 2 is provided with three regularly arranged motor limiting grooves 22 outside the outer circle of the motor matching through hole 21, which can better limit the motor 3 and improve the stability of the installation of the motor 3, thereby better ensuring the stability of the motor in the rotating process. The bottom surface of the flange plate 2 is also provided with three regularly arranged shell body mounting holes 23, which can better be fixedly connected with the shell body 4, thereby improving the connection strength and stably fixing the motor 3 between the flange plate 2 and the shell body 4. The outer circle of the flange plate 2 is also provided with an air outlet 24, through which the air can be blown out. The outer circle of the flange plate 2 is also provided with a regularly arranged connecting mounting plate 25, which can cooperate with other parts to fix the entire blower structure on the automobile.

[0032] As shown in Figure 5As shown, the motor 3 comprises a motor shell 31, an upper connecting plate 32, a lower connecting plate 33, a rotor 34 and a stator 35; the motor shell 31 is in the form of a hollow circular tube, which can better achieve the heat dissipation effect. The top of the motor shell 31 is provided with upper connecting plate clamping blocks 311 on both sides; the upper connecting plate 32 is provided with upper connecting clamping grooves 321 on both sides matched with the upper connecting plate clamping blocks 311, and the upper connecting plate 32 is horizontally arranged on the connecting plate clamping blocks 311 at the top of the motor shell 31. The upper connecting plate 32 is in the form of a convex shape with the opening downward, and the middle part of the upper connecting plate 32 is provided with an upper bearing groove. Through the cooperation of the upper connecting clamping grooves 321 and the upper connecting plate clamping blocks 311, not only can the installation be facilitated and the connection strength be improved, but also the center positioning can be better. The two ends of the upper connecting plate 32 exceed the two sides of the motor shell 31; the support of the motor shell 31 is further improved through the upper connecting plate 32, and the motor limiting piece can be better limited. The middle part of the upper connecting plate 32 is provided with a rotating shaft matching upper through hole 322 for the upper end of the rotating shaft 30 to pass through, and the rotating shaft 30 can be limited through the rotating shaft matching upper through hole 322, which can better realize the same core and coaxiality, so that the rotating shaft 30 rotates stably to drive the impeller 1 to rotate stably, further improve the rotating effect of the impeller 1, improve the dynamic balance effect, reduce the vibration in the rotating process of the impeller 1, and reduce the noise. The bottom of the motor shell 31 is provided with lower connecting plate clamping blocks 312 on both sides; the lower connecting plate 33 is provided with lower connecting clamping grooves 331 on both sides matched with the lower connecting plate clamping blocks 312, and the lower connecting plate 33 is horizontally arranged on the lower connecting plate clamping blocks 312 at the bottom of the motor shell 31. The lower connecting plate 33 is in the form of a concave shape with the opening upward, and the middle part of the lower connecting plate 33 is provided with a lower bearing groove. Through the cooperation of the lower connecting clamping grooves 331 and the lower connecting plate clamping blocks 312, not only can the installation be facilitated and the connection strength be improved, but also the center positioning can be better. The two ends of the lower connecting plate 33 exceed the two sides of the motor shell 31; the support of the motor shell 31 is further improved through the lower connecting plate 33, and the motor limiting piece can be better limited. The middle part of the lower connecting plate 33 is provided with a rotating shaft matching lower through hole 332 for the lower end of the rotating shaft 30 to pass through; the lower end of the rotor 34 can be limited through the rotating shaft matching lower through hole 332, which is matched with the rotating shaft matching upper through hole 322, to further ensure the realization of the same core and coaxiality, so that the rotating shaft 30 rotates stably to drive the impeller 1 to rotate stably, further ensure the rotating effect of the impeller 1, improve the dynamic balance effect, reduce the vibration in the rotating process of the impeller 1, and reduce the noise. A motor limiting piece is arranged between the upper connecting plate 32 and the lower connecting plate 33; the motor limiting piece is limited between the shell body 4 and the flange plate 2; the motor limiting piece can better fix the entire motor 3 between the shell body 4 and the flange plate 2, prevent the motor 3 from shaking or vibrating, improve the stability and dynamic balance effect, and ensure the stable rotation of the impeller 1 while preventing loud noise.The stator 35 is arranged in the motor housing 31, and the rotor 34 is arranged in the stator 35; the rotating shaft 30 and the rotor 34 are integrated, and the rotating shaft 30 in the text refers to the upper part of the rotor 34. The positive pole brush 36 and the negative pole brush 37 are respectively arranged on both sides of the lower connecting plate 33.

[0033] like Figure 5 As shown, the motor limiting member is a motor limiting sleeve 38, which is mounted on the upper outer side of the motor housing 31 and is limited between the upper connecting plate 32 and the lower connecting plate 33. The motor limiting sleeve 38 has limiting sleeve recesses 381 on both sides of its lower portion. The limiting sleeve recesses 381 are also provided with two limiting sleeve clamping blocks, which further enhance the fit and limiting effect. The limiting sleeve recesses 381 on both sides cooperate with the two ends of the lower connecting plate 33. The limiting sleeve recesses 381 can further limit the motor limiting sleeve 38 outside the motor housing 31, preventing the motor limiting sleeve 38 from rotating freely. At the same time, the motor limiting sleeve 38 can also facilitate better fixing of the motor housing 31. Three regularly arranged limit sleeve connecting plates 382 are arranged in the middle of the outer ring of the motor limit sleeve 38, which cooperate with the motor limit slots 22. The limit sleeve connecting plates 382 cooperate with the motor limit slots 22 to limit the motor limit sleeve 38 through the limit sleeve connecting plates 382, ​​further preventing the motor limit sleeve 38 from moving. A limit sleeve connecting plate 382 is provided with a limit plate retaining notch 383; a limit sleeve 384 is provided on the limit sleeve connecting plate 382. An annular retaining groove 385 is provided in the middle of the limit sleeve 384; the annular retaining groove 385 cooperates with the limit plate retaining notch 383. The annular retaining groove 385 on the limit sleeve 384 cooperates with the limit plate retaining notch 383, further improving the connection and coordination of the limit sleeve 384 and preventing the limit sleeve 384 from moving up or down or left or right.

[0034] like Figure 6As shown, the outer shell 4 is provided with a mounting groove 40, the mounting groove 40 includes an air outlet groove 41 for air outlet and a motor mounting groove 42 for mounting the motor 3; the air outlet groove 41 is communicated with the air outlet 24; the center of the motor mounting groove 42 is provided with a bottom limiting through hole 43 matched with the bottom of the motor 3; three motor limiting parts 44 matched with the motor limiting groove 22 are arranged on the outer circle of the motor mounting groove 42 on the outer shell 4; the motor 3 is further fixed by the cooperation of the motor limiting part 44 and the motor limiting groove 22, so as to prevent the motor 3 from shaking. The limiting rod 45 is arranged on each motor limiting part 44, the limiting rod 45 passes through the through hole of the connecting plate limiting sleeve 384, so as to limit and fix the motor limiting sleeve 38, and the motor 3 is also limited and fixed, and the limiting and fixing effect is further improved. A plurality of flange plate mounting plates 46 matched with the outer shell mounting hole 23 are arranged on the outer circle of the motor mounting groove 42 on the outer shell 4, the flange plate mounting plate 46 is fixedly connected with the outer shell mounting hole 23 through screws, so as to fixedly connect the outer shell 4 with the flange plate 2, improve the connection strength and the stability of the whole device. The cooperation clamping block 26 is arranged on the front and rear sides of the air outlet 24; the cooperation clamping block 26 is arranged on the front and rear sides of the air outlet groove 41 on the outer shell 4, and the cooperation clamping block 26 is matched with the cooperation clamping block 26, so as to further ensure the connection strength of the outer shell 4 and the flange plate 2, and prevent the outer shell 4 from being separated from the flange plate 2.

[0035] In summary, the advantages of the present application are to reduce noise and further improve the stability of the motor installation, to realize the same core and coaxial of the motor and the impeller, and to improve the dynamic balance effect of the impeller during driving.

Claims

1. A new energy vehicle air conditioner blower structure, characterized in that, The structure comprises an impeller (1), a flange plate (2), a motor (3) and an outer shell (4); the bottom of the impeller (1) is connected with the flange plate (2); the center of the flange plate (2) is provided with a motor matching through hole (21) matched with the motor (3); the rotating shaft (30) of the motor (3) is connected with the center of the impeller (1) through the motor matching through hole (21), the outer shell (4) is fixedly connected with the flange plate (2), and the motor (3) is limited between the outer shell (4) and the flange plate (2); the motor (3) comprises a motor shell (31), an upper connecting plate (32) and a lower connecting plate (33); the motor shell (31) is in a hollow circular tube shape, the two sides of the top of the motor shell (31) are provided with upper connecting plate clamping blocks (311); the two sides of the upper connecting plate (32) are provided with upper connecting clamping grooves (321) matched with the upper connecting plate clamping blocks (311), the upper connecting plate (32) is horizontally arranged on the connecting plate clamping blocks (311) at the top of the motor shell (31), and the two ends of the upper connecting plate (32) are located outside the two sides of the motor shell (31); the middle part of the upper connecting plate (32) is provided with a rotating shaft matching upper through hole (322) for the upper end of the rotating shaft (30) to pass through; the two sides of the bottom of the motor shell (31) are provided with lower connecting plate clamping blocks (312); the two sides of the lower connecting plate (33) are provided with lower connecting clamping grooves (331) matched with the lower connecting plate clamping blocks (312), the lower connecting plate (33) is horizontally arranged on the lower connecting plate clamping blocks (312) at the bottom of the motor shell (31), and the two ends of the lower connecting plate (33) are located outside the two sides of the motor shell (31); the middle part of the lower connecting plate (33) is provided with a rotating shaft matching lower through hole (332) for the lower end of the rotating shaft (30) to pass through; a motor limiting piece is arranged between the upper connecting plate (32) and the lower connecting plate (33); the motor limiting piece is limited between the outer shell (4) and the flange plate (2); the motor limiting piece is a motor limiting sleeve (38), the motor limiting sleeve (38) is arranged on the outer side of the motor shell (31), and the motor limiting sleeve (38) is limited between the upper connecting plate (32) and the lower connecting plate (33); the lower part of the motor limiting sleeve (38) is provided with limiting sleeve notches (381) on the two sides; the limiting sleeve notches (381) on the two sides are matched with the two ends of the lower connecting plate (33); the middle part of the outer ring of the motor limiting sleeve (38) is regularly arranged with limiting sleeve connecting plates (382) matched with the motor limiting grooves (22); the limiting sleeve connecting plates (382) are provided with connecting plate limiting clamping holes (383); the limiting sleeve connecting plates (382) are provided with connecting plate limiting sleeves (384); the middle part of the connecting plate limiting sleeve (384) is provided with an annular clamping groove (385); the annular clamping groove (385) is matched with the connecting plate limiting clamping hole (383). The bottom surface of the flange plate (2) is provided with a plurality of regularly arranged motor limiting grooves (22) outside the outer circle of the motor matching through hole (21), and the bottom surface of the flange plate (2) is also provided with a plurality of regularly arranged shell mounting holes (23); The outer circle of the flange plate (2) is also provided with an air outlet (24); The outer circle of the flange plate (2) is also provided with a regularly arranged connecting mounting plate (25); The outer shell (4) is provided with a mounting groove (40), and the mounting groove (40) comprises an air outlet groove (41) and a motor mounting groove (42); The air outlet groove (41) is communicated with the air outlet (24); The center of the motor mounting groove (42) is provided with a bottom limiting through hole (43) matched with the bottom of the motor (3); The outer circle of the motor mounting groove (42) of the outer shell (4) is provided with a plurality of motor limiting portions (44) matched with the motor limiting grooves (22); Each motor limiting portion (44) is provided with a limiting rod (45); The outer circle of the motor mounting groove (42) of the outer shell (4) is also provided with a plurality of flange plate mounting plates (46) matched with the shell mounting holes (23).

2. The air conditioner blower structure for a new energy vehicle according to claim 1, characterized in that, The motor housing (31) is matched with a stator (35), and the stator (35) is matched with a rotor (34); The two sides of the lower connecting plate (33) are respectively matched with a positive electrode brush (36) and a negative electrode brush (37).

3. The air conditioner blower structure for a new energy vehicle according to claim 1, characterized in that, The bottom surface of the impeller (1) is a spherical convex surface (11) protruding upward; The center of the spherical convex surface (11) is provided with a rotating shaft through hole; The center of the bottom surface of the spherical convex surface (11) is provided with a rotating shaft connecting sleeve (12); The outer circle of the rotating shaft connecting sleeve (12) is regularly arranged with a plurality of connecting support rods (13) connected with the spherical convex surface (11); The center of the top surface of the spherical convex surface (11) is provided with a rotating shaft limiting sleeve (14); The rotating shaft limiting sleeve (14) is communicated with the rotating shaft connecting sleeve (12) and the rotating shaft through hole; The outer circle of the impeller (1) is regularly arranged with a plurality of blades (15).

4. The air conditioner blower structure for a new energy vehicle according to claim 3, characterized in that, The bottom of the plurality of blades (15) is arranged on the outer circle of the bottom surface of the impeller (1), the top outer side of the plurality of blades (15) is fixedly connected with a connecting ring (16), the blades (15) are longitudinally arranged and the blades (15) are curved in an arc shape clockwise.

5. The air conditioner blower structure for a new energy vehicle according to claim 1, characterized in that, The front and rear sides of the air outlet (24) are provided with a matching clamping block (26); The front and rear sides of the air outlet groove (41) of the outer shell (4) are provided with a matching clamping block (26) matched with the matching clamping block (26).

Citation Information

Patent Citations

  • Automobile air-conditioner blower assembly

    CN109578336A

  • Air conditioner blower structure for new energy automobile

    CN215672764U

  • Blower motor

    WO2025148223A1