Water pump motor

Abstract

The utility model relates to a water pump motor. A grounding terminal is fixed on one side of a rear end cover. One side of a front end cover is fixed to one side of a water pump shell; one end of the rotor assembly penetrates through the water pump shell and the front end cover; the rotor assembly is movably connected with an excitation assembly; a rear end cover is fixed at one end of the excitation assembly; the other end of the rotor assembly is movably connected with the rear end cover; an FBP fan is fixed on one side of the rear end cover and at the other end of the rotor assembly; the rear end cover, the excitation assembly and the front end cover are fixed together through bolts; according to the utility model, the rear end cover, the excitation assembly and the front end cover are fixed together through the bolts, so that the water pump motor with a smaller volume is realized, and the technical problem that the volume of an air conditioner is increased due to the larger volume of the motor caused by the complicated assembly process in the prior art is solved.

Description

Technical Field

[0001] The embodiments of this utility model relate to an electric motor, and more particularly to a water pump motor used for air conditioning drainage. Background Technology

[0002] In the existing technology, the water pump motor is assembled by separately installing the front cover, excitation assembly and the rear cover. Then, the front cover, excitation assembly and the rear cover are assembled together in sequence by bolts. This makes the assembly process complicated and the motor is large, which in turn increases the size of the air conditioner. Utility Model Content

[0003] The purpose of this utility model is to provide a water pump motor with a small size that uses bolts to fix the rear end cover, excitation assembly, and front end cover together.

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

[0005] Water pump casing;

[0006] A front cover is fixed to one side of the water pump housing;

[0007] A rotor assembly passes through one end of the rotor assembly from the pump housing and the front end cover;

[0008] An excitation assembly is movably connected to the rotor assembly.

[0009] A rear end cover is fixed at one end of the excitation assembly; the other end of the rotor assembly is movably connected to the rear end cover.

[0010] The FBP fan is fixed on one side of the rear end cover and on the other end of the rotor assembly.

[0011] The rear end cover, the excitation assembly, and the front end cover are fixed together with bolts.

[0012] Furthermore, in the water pump motor of this utility model, the water pump housing and the front end cover are fixed with bolts.

[0013] Furthermore, in the water pump motor of this utility model, an outlet is provided on one side of the water pump housing; a support hole is provided in the center of the water pump housing, and one end of the rotor assembly passes through the support hole; reinforcing ribs are provided on both sides of the support hole.

[0014] Furthermore, in the water pump motor of this utility model, a first bearing sleeve is embedded in the central hole of the front end cover; and a first ball bearing is embedded in the first bearing sleeve.

[0015] Furthermore, in the water pump motor of this utility model, a second bearing sleeve is embedded in the central hole of the rear end cover; and a second ball bearing is embedded in the second bearing sleeve.

[0016] Furthermore, in the water pump motor of this utility model, the rotor assembly further includes:

[0017] Rotor shaft; the rotor shaft is disposed at the center of the rotor assembly;

[0018] A rotor, the rotor being fixed on the rotor shaft; the rotor being positioned at the center of the excitation assembly;

[0019] The two ends of the rotor shaft pass through and are fixed in the inner holes of the first ball bearing and the second ball bearing, respectively.

[0020] Furthermore, in the water pump motor of this utility model, the excitation assembly further includes:

[0021] Stator assembly C is movably connected to the outside of the rotor of the rotor assembly;

[0022] A coil winding frame is placed below the stator assembly C.

[0023] Stator I assembly is inserted into the middle of the coil winding skeleton. The two ends of the stator I assembly have grooves that are embedded and fixed to the protrusions provided on the stator C assembly.

[0024] Furthermore, in the water pump motor of this utility model, a coil is wound on the coil winding frame.

[0025] Furthermore, in the water pump motor of this utility model, a short-circuit ring is provided on the top of the stator assembly C.

[0026] Furthermore, in the water pump motor of this utility model, a grounding terminal is fixed on one side of the rear end cover.

[0027] Compared with the prior art, this utility model adopts a method of fixing one side of the front cover to one side of the water pump housing; passing one end of the rotor assembly through the water pump housing and the front cover; movably connecting the excitation assembly to the rotor assembly; fixing the rear cover to one end of the excitation assembly; movably connecting the rear cover to the other end of the rotor assembly; fixing the FBP fan to one side of the rear cover and the other end of the rotor assembly; and fixing the rear cover, excitation assembly, and front cover together with bolts. This utility model achieves a smaller water pump motor by fixing the rear cover, excitation assembly, and front cover together with bolts. It solves the technical problem in the prior art where the water pump motor is assembled by separately installing the front cover, excitation assembly, and rear cover, and then assembling them together in sequence with bolts, resulting in a complex assembly process, a larger motor size, and consequently, an increased air conditioner size. Attached Figure Description

[0028] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0029] Figure 2 for Figure 1 An explosion diagram. Detailed Implementation

[0030] 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.

[0031] The embodiments of this utility model relate to a water pump motor, such as... Figure 1 and Figure 2 As shown, it includes:

[0032] In this embodiment, the water pump housing 1 is used for the installation of the water pump for air conditioning drainage;

[0033] Front cover 2, fixed on one side of the water pump housing 1.

[0034] Rotor assembly 20 passes through one end of the rotor assembly 20 from the water pump housing 1 and the front cover 2;

[0035] Excitation assembly 30 is movably connected to rotor assembly 20;

[0036] The rear end cover 11 is fixed at one end of the excitation assembly 30; the other end of the rotor assembly 20 is movably connected to the rear end cover 11.

[0037] FBP fan 14 is fixed on one side of the rear end cover 11 and on the other end of the rotor assembly 20.

[0038] The rear cover 11, excitation assembly 30, and front cover 2 are fixed together by bolts 13.

[0039] This embodiment realizes a smaller water pump motor, solving the technical problem that in the prior art, the water pump motor is assembled by separately installing the front cover 2, excitation component 30 and rear cover 11, and then assembling the already assembled front cover 2, excitation component 30 and rear cover 11 together in sequence by bolts, which leads to a complicated assembly process, a larger motor size, and thus an increase in the size of the air conditioner.

[0040] To achieve the above-mentioned technical effects, the water pump motor in this embodiment, such as... Figure 1 and Figure 2 As shown, the water pump housing 1 and the front cover 2 are fixed together with bolts.

[0041] To achieve the above-mentioned technical effects, the water pump motor in this embodiment, such as... Figure 1 and Figure 2 As shown, an outlet 15 is provided on one side of the water pump housing 1; a support hole 16 is provided in the center of the water pump housing 1, and one end of the rotor assembly 20 passes through the support hole 16; reinforcing ribs 17 are provided on both sides of the support hole 16.

[0042] To achieve the above-mentioned technical effects, the water pump motor in this embodiment, such as... Figure 1 and Figure 2 As shown, a first bearing sleeve 3 is embedded in the center hole of the front cover 2; a first ball bearing 4 is embedded in the first bearing sleeve 3.

[0043] To achieve the above-mentioned technical effects, the water pump motor in this embodiment, such as... Figure 1 and Figure 2 As shown, a second bearing sleeve 10 is embedded in the center hole of the rear end cover 11; a second ball bearing 9 is embedded in the second bearing sleeve 10.

[0044] To achieve the above-mentioned technical effects, the water pump motor in this embodiment, such as... Figure 1 and Figure 2 As shown, the rotor assembly 20 also includes:

[0045] Rotor shaft 18; Rotor shaft 18 is disposed at the center of rotor assembly 20;

[0046] Rotor 5 is fixed on rotor shaft 18; rotor 5 is placed at the center of excitation assembly 30;

[0047] The two ends of the rotor shaft 18 pass through and are fixed in the inner holes of the first ball bearing 4 and the second ball bearing 9, respectively.

[0048] To achieve the above-mentioned technical effects, the water pump motor in this embodiment, such as... Figure 1 and Figure 2 As shown, the excitation assembly 30 also includes:

[0049] Stator assembly C assembly 6 is movably connected to the outside of rotor 5 of rotor assembly 20;

[0050] The coil winding frame 8 is placed below the stator assembly C assembly 6;

[0051] Stator I assembly 7 is inserted into the middle of the coil winding skeleton 8. The two ends of stator I assembly 7 have grooves 19 that are embedded and fixed to the protrusions 191 provided on stator assembly C assembly 7.

[0052] To achieve the above-mentioned technical effects, the water pump motor in this embodiment, such as... Figure 1 and Figure 2 As shown, coil 21 is wound on coil winding frame 8.

[0053] To achieve the above-mentioned technical effects, the water pump motor in this embodiment, such as... Figure 1 and Figure 2 As shown, a short-circuit ring 22 is provided on the top of the stator assembly C assembly 6.

[0054] To achieve the above-mentioned technical effects, the water pump motor in this embodiment, such as... Figure 1 and Figure 2 As shown, a grounding terminal 12 is fixed on one side of the rear cover 11.

[0055] like Figure 1 As shown in the motor diagram, the rotor shaft 18 is fitted together with the rotor 5 to form the rotor assembly 20. The stator I assembly 7 is passed through the coil frame 8, and then the stator I assembly 7 and stator assembly C assembly 6 are hydraulically pressed together to secure the three parts. The first bearing 4 and the second bearing 9 are fixed to the rotor assembly 20 with an interference fit. The rotor assembly 20 is placed inside the excitation assembly 30, and then the first bearing sleeve 3 is placed inside the front cover 2, and the second bearing sleeve 10 is placed inside the rear cover 11. The front cover 2 and the rear cover 11 are then fixed to the motor. The grounding terminal 12 is threaded through the bolt 13, and then the bolt 13 is fixed into the hole of the stator assembly C assembly 6. The FBP fan 14 is fixed to the shaft end on one side of the rear cover 11.

[0056] 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 water pump motor characterized by, It comprises: a water pump shell; a front end cover, one side of which is fixed to one side of the water pump shell; a rotor assembly, one end of which passes through the water pump shell and the front end cover; an excitation assembly, which is movably connected to the rotor assembly; a rear end cover, which is fixed to one end of the excitation assembly; the other end of the rotor assembly is movably connected to the rear end cover; an FBP fan, which is fixed to the other end of the rotor assembly on one side of the rear end cover; the rear end cover, the excitation assembly, and the front end cover are fixed together by bolts.

2. The water pump motor of claim 1, wherein The water pump shell and the front end cover are fixed by bolts.

3. The water pump motor of claim 2, wherein, An outlet is arranged on one side of the water pump shell; a support hole is arranged in the center of the water pump shell, one end of the rotor assembly passes through the support hole; reinforcing ribs are arranged on both sides of the support hole.

4. The water pump motor of claim 1, wherein A first bearing sleeve is embedded in the center hole of the front end cover; a first ball bearing is embedded in the first bearing sleeve.

5. The water pump motor of claim 1, wherein A second bearing sleeve is embedded in the center hole of the rear end cover; a second ball bearing is embedded in the second bearing sleeve.

6. The water pump motor of claim 1, wherein, The rotor assembly further comprises: a rotor shaft, which is arranged in the center of the rotor assembly; a rotor, which is fixed to the rotor shaft; the rotor is placed in the center of the excitation assembly; both ends of the rotor shaft pass through and are fixed in the inner holes of the first ball bearing and the second ball bearing, respectively.

7. The water pump motor of claim 1, wherein The excitation assembly further comprises: a stator assembly C component, which is movably connected to the outside of the rotor of the rotor assembly; a coil winding skeleton, which is placed below the stator assembly C component; a stator I component, which passes through the stator I component in the middle of the coil winding skeleton; both ends of the stator I component are recessed and fixed with the protrusions arranged on the stator assembly C component.

8. The water pump motor of claim 7, wherein, Coils are wound on the coil winding skeleton.

9. The water pump motor of claim 7, wherein, A short circuit ring is arranged on the top of the stator assembly C component.

10. The water pump motor of claim 1, wherein, A grounding terminal is fixed on one side of the rear end cover.

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