Air pump motor

Abstract

The utility model relates to an air pump motor. A motor stator assembly is arranged on the outer side of a motor rotor assembly; a front-end integrated cover plate is arranged on one side of the motor stator assembly; a rear-end integrated cover plate is arranged on one side of the motor stator assembly; bearings are directly arranged in the front-end integrated cover plate and the rear-end integrated cover plate; inner rings of the bearings are fixed at two ends of the motor rotor assembly; the fixing bolts penetrate through the front-end integrated cover plate, the motor stator assembly and the rear-end integrated cover plate to be fixed, so that the problems that in an existing air pump motor, bearing sleeves are often installed in the front end cover and the rear end cover, then bearings are installed, the air pump needs to be used for a long time, and after the bearing sleeves are installed, the bearing sleeves are damaged are solved. The technical problems that bearing installation precision and positioning precision are not enough, bearing sleeves installed in a front end cover and a rear end cover are heated, bearings are finally clamped, and an air pump motor is damaged are solved.

Description

Technical Field

[0001] The embodiments of this utility model relate to an electric motor, and more particularly to an air pump motor. Background Technology

[0002] In existing air pump motors, bearing sleeves are often installed in the front and rear covers before the bearings are installed. Since air pump motors need to be used for a long time, the installation and positioning accuracy of the bearings may be insufficient after the bearing sleeves are installed. This causes the bearing sleeves installed in the front and rear covers to overheat, eventually leading to the bearings seizing and damaging the air pump motor. Utility Model Content

[0003] The purpose of this invention is to provide an air pump motor that does not require the installation of a bearing sleeve and can maintain the accuracy of bearing installation and positioning.

[0004] To achieve the above objectives, an embodiment of this utility model provides an air pump motor, comprising:

[0005] Motor rotor assembly;

[0006] A motor stator assembly is disposed outside the motor rotor assembly;

[0007] An integrated front cover is provided on one side of the motor stator assembly;

[0008] An integrated rear end cover is provided on one side of the motor stator assembly;

[0009] The bearing is directly installed inside the front integrated cover plate and the rear integrated cover plate; the inner ring of the bearing is fixed at both ends of the motor rotor assembly.

[0010] The device is secured by fixing bolts passing through the front integrated cover plate, the motor stator assembly, and the rear integrated cover plate.

[0011] Furthermore, in the air pump motor described in this utility model, the motor rotor assembly,

[0012] Also includes:

[0013] Rotor shaft; the rotor shaft is disposed at the center of the motor rotor assembly;

[0014] The rotor is fixed on the rotor shaft; the rotor is positioned at the center of the motor stator assembly.

[0015] The two ends of the rotor shaft pass through and are fixed in the inner hole of the bearing.

[0016] Furthermore, in the air pump motor described in this utility model, the motor stator assembly is coaxially and movably placed on the outside of the rotor.

[0017] Furthermore, in the air pump motor described in this utility model, the motor stator assembly further includes:

[0018] Motor stator assembly C is movably connected to the outside of the rotor of the motor rotor assembly;

[0019] The coil winding frame is placed below the motor stator assembly C.

[0020] The motor stator I assembly is inserted into the middle of the coil winding skeleton. The two ends of the motor stator I assembly have grooves that are embedded and fixed to the protrusions provided on the motor stator C assembly.

[0021] Furthermore, in the air pump motor described in this utility model, a coil is wound on the coil winding frame.

[0022] Furthermore, in the air pump motor described in this utility model, a short-circuit ring is provided at the top of the coil winding frame.

[0023] Furthermore, in the air pump motor described in this utility model, the integrated front cover plate includes:

[0024] A bearing mounting plate is provided at the middle position of the front integrated cover plate, and a first bearing mounting hole is opened on one side of the bearing mounting plate; a first bearing is installed in the first bearing mounting hole.

[0025] Bolt fixing lugs are provided on both sides of the bearing mounting plate; several through holes are symmetrically opened on the bolt fixing lugs; the fixing bolts pass through the through holes;

[0026] A locating pin is located on one side of the bolt-fixed lug plate; the locating pin is coaxially arranged on the outside of several through holes; the locating pin is engaged in the locating hole on the motor stator assembly C.

[0027] Furthermore, in the air pump motor described in this utility model, the integrated rear end cover plate further includes:

[0028] A base plate is provided at the middle position of the integrated rear cover plate; a second bearing mounting hole is opened on one side of the base plate; a second bearing is installed in the second bearing mounting hole;

[0029] Bolt fixing posts are provided on both sides of the base plate; bolt holes are provided on the bolt fixing posts; the bolt fixing posts are engaged in the positioning holes on the motor stator assembly C;

[0030] Below the bolt fixing post, the bolt hole is also made on the base plate; the fixing bolt passes through the through hole above the bolt fixing lug of the front integrated cover, and then through the motor stator assembly C; then it is screwed into the bolt hole on the bolt fixing post and the bolt hole on the base plate for fixed connection.

[0031] Furthermore, in the air pump motor described in this utility model, a flat opening is formed at one end of the rotor shaft.

[0032] Furthermore, in the air pump motor described in this utility model, the bearings are a first bearing and a second bearing, both of which are ball bearings.

[0033] Compared with the prior art, the present invention adopts a method in which a motor stator assembly is set on the outside of the motor rotor assembly; a front integrated cover plate is set on one side of the motor stator assembly; a rear integrated cover plate is set on one side of the motor stator assembly; bearings are directly installed in the front and rear integrated cover plates; the inner rings of the bearings are fixed to both ends of the motor rotor assembly; and fixing bolts are used to fix the bearings through the front integrated cover plate, the motor stator assembly, and the rear integrated cover plate. This invention achieves an air pump motor that does not require the installation of bearing sleeves and can maintain the accuracy and positioning of bearing installation. It solves the technical problem in existing air pump motors where bearing sleeves are often installed in the front and rear covers before the bearings are installed. Because air pump motors need to be used for a long time, the installation of bearing sleeves leads to insufficient accuracy and positioning of bearing installation, causing the bearing sleeves installed in the front and rear covers to overheat, ultimately resulting in bearing seizure and damage to the air pump motor. Attached Figure Description

[0034] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0035] Figure 2 for Figure 1 An explosion diagram. Detailed Implementation

[0036] To make the objectives, technical solutions, and advantages of this utility model clearer, the various embodiments of this utility model will be described in detail below with reference to the accompanying drawings. However, those skilled in the art will understand that many technical details have been provided in the various embodiments of this utility model to facilitate a better understanding of this application. However, the technical solutions claimed in the claims of this application can be implemented even without these technical details and with various variations and modifications based on the following embodiments.

[0037] The embodiments of this utility model relate to an air pump motor, such as... Figure 1 and Figure 2 As shown, it includes:

[0038] In this embodiment, the motor rotor assembly 10 serves as the driving component of the air pump motor.

[0039] A motor stator assembly 20 is provided on the outside of the motor rotor assembly 10; the motor stator assembly 20 serves as the excitation component of the air pump motor in this embodiment.

[0040] An integrated front cover plate 30 is provided on one side of the motor stator assembly 20;

[0041] A rear integrated cover plate 40 is provided on one side of the motor stator assembly 20; the front integrated cover plate 30 and the rear integrated cover plate 40 constitute the structure for mounting the bearing 50.

[0042] Bearings 50 are directly installed inside the front integrated cover plate 30 and the rear integrated cover plate 40; the inner rings of bearings 50 are fixed to both ends of the motor rotor assembly 10.

[0043] The air pump motor is fixed by means of fixing bolt 01 passing through the front integrated cover plate 30, the motor stator assembly 20 and the rear integrated cover plate 40; this embodiment realizes an air pump motor that does not require the installation of bearing sleeves and can maintain the accuracy of bearing installation and positioning. It solves the technical problem that in existing air pump motors, bearing sleeves are often installed in the front and rear covers and then the bearings are installed. Because the air pump motor needs to be used for a long time, the installation accuracy and positioning accuracy of the bearings are insufficient after the installation of bearing sleeves, which causes the bearing sleeves installed in the front and rear covers to overheat, eventually leading to bearing seizure and damage to the air pump motor.

[0044] To achieve the above-mentioned technical effects, in the air pump motor of this embodiment, as follows: Figure 1 and Figure 2 As shown, the motor rotor assembly 10 also includes:

[0045] A rotor shaft 11 is disposed at the center of the motor rotor assembly 10; the rotor shaft 11 is used to connect the driven air pump component.

[0046] Rotor 04 is fixed on rotor shaft 11; rotor 04 is placed at the center of motor stator assembly 10; rotor 04 mainly serves as a magnetizer.

[0047] Both ends of the rotor shaft 11 pass through and are fixed in the inner hole of the bearing 50.

[0048] To achieve the above-mentioned technical effects, in the air pump motor of this embodiment, as follows: Figure 1 and Figure 2 As shown, the motor stator assembly 20 is coaxially and movably placed on the outside of the rotor 04.

[0049] To achieve the above-mentioned technical effects, in the air pump motor of this embodiment, as follows: Figure 1 and Figure 2 As shown, the motor stator assembly 20 also includes:

[0050] Motor stator assembly C assembly 06 is movably connected to the outside of rotor 04 of motor rotor assembly 10;

[0051] Coil winding frame 05 is placed below motor stator assembly C assembly 06;

[0052] A motor stator I assembly 07 is inserted into the middle of the coil winding frame 05. Grooves 21 are formed at both ends of the motor stator I assembly 07, which are then fitted and fixed to the protrusions 22 on the motor stator C assembly 06. The motor stator C assembly 06 and the motor stator I assembly 07 primarily generate excitation through the coil winding frame 05.

[0053] To achieve the above-mentioned technical effects, in the air pump motor of this embodiment, as follows: Figure 1 and Figure 2 As shown, a coil is wound on the coil winding frame 05.

[0054] To achieve the above-mentioned technical effects, in the air pump motor of this embodiment, as follows: Figure 1 and Figure 2 As shown, a short-circuit ring 23 is provided at the top of the coil winding frame 05. The short-circuit ring 23 causes a change in the direction of excitation, thereby driving the motor rotor assembly 10 to rotate.

[0055] To achieve the above-mentioned technical effects, in the air pump motor of this embodiment, as follows: Figure 1 and Figure 2 As shown, the front integrated cover 30 includes:

[0056] A bearing mounting plate 31 is provided at the middle position of the front integrated cover plate 30, and a first bearing mounting hole 32 is opened on one side of the bearing mounting plate 31; a first bearing 03 is installed in the first bearing mounting hole 32; the bearing mounting plate 31 and the bolt fixing ear plate 32 constitute the front integrated cover plate 30.

[0057] Bolt fixing lugs 35 are provided on both sides of the bearing mounting plate 31; several through holes 33 are symmetrically opened on the bolt fixing lugs 35; fixing bolts 01 are inserted through the through holes 33;

[0058] On one side of the bolt-fixed lug 32, a positioning pin 34 is coaxially provided on the outside of several through holes 33; the positioning pin 34 is engaged in the positioning hole 61 on the motor stator assembly C component 06. The positioning pin 34 serves to position the bolt-fixed lug 32 and the positioning hole 61 on the motor stator assembly C component 06.

[0059] To achieve the above-mentioned technical effects, in the air pump motor of this embodiment, as follows: Figure 1 and Figure 2 As shown, the rear integrated cover 40 also includes:

[0060] A base plate 41 is provided at the middle position of the integrated rear cover plate 40; a second bearing mounting hole 42 is opened on one side of the base plate 41; a second bearing 08 is installed in the second bearing mounting hole 42.

[0061] Bolt fixing posts 42 are provided on both sides of the base plate 41; bolt holes 43 are provided on the bolt fixing posts 42; the bolt fixing posts 42 are inserted into the positioning holes 61 on the motor stator assembly C assembly 06; the base plate 41 and the bolt fixing posts 42 constitute the structure of the rear integrated cover plate 40.

[0062] Below the bolt fixing post 42, bolt holes 43 are also made on the base plate 41; the fixing bolt 01 passes through the through hole 33 above the bolt fixing ear plate 32 of the front integrated cover 30, and then passes through the motor stator assembly C assembly 06; then it is screwed into the bolt hole 43 on the bolt fixing post 42 and the bolt hole 43 on the base plate 41 for fixed connection.

[0063] To achieve the above-mentioned technical effects, in the air pump motor of this embodiment, as follows: Figure 1 and Figure 2 As shown, a flat opening 12 is formed at one end of the rotor shaft 11. The flat opening 12 is used to fix the driven component.

[0064] To achieve the above-mentioned technical effects, in the air pump motor of this embodiment, as follows: Figure 1 and Figure 2 As shown, bearings 50 are the first bearing 03 and the second bearing 08, both of which are ball bearings.

[0065] Those skilled in the art will understand that the above embodiments are specific examples of implementing the present invention, and in practical applications, various changes can be made to them in form and detail without departing from the spirit and scope of the present invention.

Claims

1. A gas pump motor characterized by, Comprise: Motor rotor assembly; Motor stator assembly, the motor stator assembly is arranged outside the motor rotor assembly; Front end integrated cover plate, the front end integrated cover plate is arranged on one side of the motor stator assembly; Rear end integrated cover plate, the rear end integrated cover plate is arranged on one side of the motor stator assembly; Bearing, the bearing is directly installed in the front end integrated cover plate and the rear end integrated cover plate; The inner ring of the bearing is fixed on both ends of the motor rotor assembly; Fixed by fixing bolt through the front end integrated cover plate, the motor stator assembly and the rear end integrated cover plate.

2. The air pump motor of claim 1, wherein, The motor rotor assembly, Also include: Rotor shaft; The rotor shaft is arranged in the center of the motor rotor assembly; Rotor, the rotor is fixed on the rotor shaft; The rotor is placed in the center position of the motor stator assembly; Both ends of the rotor shaft are respectively passed through and fixed in the inner hole of the bearing.

3. The air pump motor of claim 2, wherein, The motor stator assembly is coaxially placed outside the rotor.

4. The air pump motor of claim 1, wherein, The motor stator assembly also includes: Motor stator assembly C component, the motor stator assembly C component is movably connected outside the rotor of the motor rotor assembly; Coil winding skeleton, the coil winding skeleton is placed below the motor stator assembly C component; Motor stator I component, the motor stator I component is inserted into the middle of the coil winding skeleton, recesses are formed at both ends of the motor stator I component, and the recesses are embedded and fixed with protrusions arranged on the motor stator assembly C component.

5. The air pump motor of claim 4, wherein, Coil is wound on the coil winding skeleton.

6. The air pump motor of claim 5, wherein, Short circuit ring is arranged on the top of the coil winding skeleton.

7. The air pump motor of claim 1, wherein, The front end integrated cover plate includes: Bearing mounting plate, the bearing mounting plate is arranged at the middle position of the front end integrated cover plate, a first bearing mounting hole is formed on one side of the bearing mounting plate, and a first bearing is mounted in the first bearing mounting hole; Bolt fixing lug, the bolt fixing lug is arranged on both sides of the bearing mounting plate; A plurality of through holes are symmetrically formed in the bolt fixing lug; The fixing bolt is passed through the through hole; Positioning pin, the positioning pin is arranged on one side of the bolt fixing lug; The positioning pin is coaxially arranged outside the plurality of through holes; The positioning pin is clamped into the positioning hole on the motor stator assembly C component.

8. The air pump motor of claim 7, wherein, The rear end integrated cover plate also includes: Bottom plate, the bottom plate is arranged at the middle position of the rear end integrated cover plate; A second bearing mounting hole is formed on one side of the bottom plate; A second bearing is mounted in the second bearing mounting hole; Bolt fixing column, the bolt fixing column is arranged on both sides of the bottom plate; A bolt hole is arranged on the bolt fixing column; The bolt fixing column is clamped into the positioning hole on the motor stator assembly C component; The bolt hole is also formed in the bottom plate below the bolt fixing column; The fixing bolt is passed through the through hole above the bolt fixing lug of the front end integrated cover, then passes through the motor stator assembly C component, and then is screwed into the bolt hole of the bolt fixing column and the bolt hole of the bottom plate to be fixedly connected.

9. The air pump motor of claim 2, wherein, A flat mouth is formed at one end of the rotor shaft.

10. The air pump motor of claim 1, wherein, The bearings are respectively a first bearing and a second bearing, and the first bearing and the second bearing are both ball bearings.

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