Water pump motor

Abstract

The utility model provides a water pump motor comprising a motor body which is fixed with a water pump main body. The motor body comprises a stator and a rotor rotationally connected to the inner side of the stator, and a rotating shaft of the rotor is in coaxial transmission connection with an impeller in the water pump body. The motor body further comprises a front dustproof cover and a rear dustproof cover, the front dustproof cover is fixed to the front end of the stator, the rotating shaft movably penetrates through the front dustproof cover and then is coaxially connected with an impeller in the water pump body, the rear dustproof cover is fixed to the rear end of the stator, and the front dustproof cover, the stator and the rear dustproof cover define a surrounding space used for containing the rotor. Dust can be effectively prevented from being accumulated on the rotor and affecting heat dissipation of the rotor, the driving performance of the motor body for driving the water pump body can be guaranteed, and damage to the motor body can be effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor technical field, specifically, relate to a water pump motor. BACKGROUND

[0002] Water pump motor is used for fixing on water pump main part and is used for driving the driving part of impeller rotation in water pump main part, the motor body for driving water pump main body on market at present mainly includes stator and the rotor of rotation connection in the inside of stator, the rotation axis of rotor is coaxial transmission connection with the impeller in water pump main part, and the stator is fastened with water pump main part, however, in the motor body structure above, because the rotor of motor exposes in the environment, thereby the rotor of motor main body can easily gather dust and influence the heat dissipation of rotor, and it can affect the driving performance of motor body for a long time, and can shorten the service life of motor body. SUMMARY

[0003] The utility model wants to solve the technical problem to provide a water pump motor, it can effectively avoid the rotor gathers dust and influences the heat dissipation of rotor, and then can ensure the driving performance of motor body driving water pump main body, and can effectively avoid the damage of motor body.

[0004] The utility model provides a water pump motor, including motor body, and motor body is fixed with water pump main part, and motor body includes stator and the rotor of rotation connection in the inside of stator, and the rotation axis of rotor is coaxial transmission connection with the impeller in water pump main part, and motor body still includes front dustproof cover and rear dustproof cover, and front dustproof cover is fixed in the front end of stator, and the rotation axis is active and passes through front dustproof cover and is connected with the impeller in water pump main part coaxially, and rear dustproof cover is fixed in the rear end of stator, and front dustproof cover, stator and rear dustproof cover enclose the surrounding space for containing rotor.

[0005] The utility model through adopting above -mentioned structure, under the cooperation of front dustproof cover and rear dustproof cover and stator, can enclose rotor in the surrounding space for containing rotor, thereby can effectively avoid the rotor gathers dust and influences the heat dissipation of rotor, and then can ensure the driving performance of motor body driving water pump main body, and can effectively avoid the damage of motor body.

[0006] In a possible implementation, the outer side wall of the front dust cover is provided with a pair of first lugs, the outer side wall of the rear dust cover is provided with a pair of second lugs, each first lug is provided with a threaded hole, each second lug is provided with a connecting hole, the stator is provided with a through hole coaxial with each threaded hole and connecting hole, the motor body further comprises two fastening screws, the shanks of the two fastening screws are sequentially threaded through the connecting hole and the through hole at the corresponding position and fastened with the threaded hole in a threaded manner from back to front, the front dust cover, the stator and the rear dust cover are fastened by the two fastening screws; after adopting the structure, the front dust cover and the rear dust cover can be reliably fastened together with the stator by the two fastening screws.

[0007] In a possible implementation, the rear side of each first lug is provided with a first annular flange coaxial with the threaded hole, each first annular flange is inserted into the front end of the through hole at the corresponding side, and the outer peripheral wall of each first annular flange is attached to the inner side wall of the through hole at the corresponding side; after adopting the structure, each first annular flange can be inserted into the front end of the through hole at the corresponding side when the front dust cover is assembled with the stator, that is, the positioning of the front dust cover and the stator can be realized, which facilitates the assembly of the front dust cover and the stator and improves the reliability of the front dust cover and the stator after being fixed.

[0008] In a possible implementation, the front side of each second lug is provided with a second annular flange coaxial with the connecting hole, each second annular flange is inserted into the rear end of the through hole at the corresponding side, and the outer peripheral wall of each second annular flange is attached to the inner side wall of the through hole at the corresponding side; after adopting the structure, each second annular flange can be inserted into the rear end of the through hole at the corresponding side when the rear dust cover is assembled with the stator, that is, the positioning of the rear dust cover and the stator can be realized, which facilitates the assembly of the rear dust cover and the stator and improves the reliability of the rear dust cover and the stator after being fixed.

[0009] In a possible implementation, the motor body is further fastened with the pump body by two bolts arranged in left-right symmetry, the shank of each bolt is movably threaded through the stator and fastened with the pump body in a threaded manner; after adopting the structure, the motor body can be reliably fastened with the pump body under the action of the bolts. BRIEF DESCRIPTION OF DRAWINGS

[0010] Fig. 1 It is a first three-dimensional structure schematic view of the utility model;

[0011] Fig. 2 It is a second three-dimensional structure schematic view of the utility model;

[0012] Fig. 3 It is a sectional structure schematic view of the utility model after removing the pump body. DETAILED DESCRIPTION

[0013] First, those skilled in the art should understand that the embodiments are only used to explain the technical principles of the embodiments of the present application, and are not intended to limit the protection scope of the embodiments of the present application. Those skilled in the art can make adjustments as needed in order to adapt to specific application occasions.

[0014] In the description of the embodiments of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0015] In the embodiments of the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "over" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or it only means that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "under" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or it only means that the horizontal height of the first feature is less than that of the second feature.

[0016] The present application will be further described in detail below in conjunction with the drawings and specific embodiments.

[0017] Reference Figs. 1-3 As shown in the drawings, the embodiments of the present application disclose a water pump motor, comprising a motor body 1, the motor body 1 is fixed with a water pump body 2; the motor body 1 comprises a stator 11 and a rotor rotatably connected to the inner side of the stator 11, the rotating shaft 12 of the rotor is coaxially and drivingly connected with an impeller in the water pump body 2; the motor body 1 further comprises a front dust cover 13 and a rear dust cover 14, the front dust cover 13 is fixed at the front end of the stator 11, the rotating shaft 12 is movably penetrated through the front dust cover 13 and is coaxially connected with the impeller in the water pump body 2, the rear dust cover 14 is fixed at the rear end of the stator 11, the front dust cover 13, the stator 11 and the rear dust cover 14 enclose a surrounding space for accommodating the rotor.

[0018] The outer side wall of the front dust cover 13 is provided with a pair of first lugs 131, and the outer side wall of the rear dust cover 14 is provided with a pair of second lugs 141; each first lug 131 is provided with a threaded hole 132, each second lug 141 is provided with a connecting hole 142, and the stator 11 is provided with a through hole 111 coaxial with each threaded hole 132 and connecting hole 142; the motor body 1 further comprises two fastening screws 15, the shanks of the two fastening screws 15 are respectively threaded through the connecting holes 142 and the through holes 111 in the corresponding positions from back to front and then fastened with the threaded holes 132; the front dust cover 13, the stator 11 and the rear dust cover 14 are fastened by the two fastening screws 15; after adopting this structure, the front dust cover and the rear dust cover can be reliably fastened with the stator by the two fastening screws.

[0019] The rear side of each first lug 131 is provided with a first annular flange 133 coaxial with the threaded hole 132, each first annular flange 133 is inserted into the front end of the through hole 111 on the corresponding side, and the outer peripheral wall of each first annular flange 133 is attached to the inner side wall of the through hole 111 on the corresponding side; after adopting this structure, when the front dust cover and the stator are assembled, each first annular flange can be inserted into the front end of the through hole on the corresponding side, that is, the positioning of the front dust cover and the stator can be achieved, which can facilitate the assembly of the front dust cover and the stator, and can also improve the reliability of the fixed front dust cover and the stator.

[0020] The front side of each second lug 141 is provided with a second annular flange 143 coaxial with the connecting hole 142, each second annular flange 143 is inserted into the rear end of the through hole 111 on the corresponding side, and the outer peripheral wall of each second annular flange 143 is attached to the inner side wall of the through hole 111 on the corresponding side; after adopting this structure, when the rear dust cover and the stator are assembled, each second annular flange can be inserted into the rear end of the through hole on the corresponding side, that is, the positioning of the rear dust cover and the stator can be achieved, which can facilitate the assembly of the rear dust cover and the stator, and can also improve the reliability of the fixed rear dust cover and the stator.

[0021] The motor body 1 further comprises two bolts 3 arranged symmetrically left and right, the shanks of each bolt 3 are movably threaded through the stator 11 and then fastened with the water pump body 2; after adopting this structure, under the action of the bolts, the motor body can be reliably fastened with the water pump body.

[0022] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed in the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A water pump motor, comprising a motor body (1) fixed with a water pump body (2); the motor body (1) comprises a stator (11) and a rotor rotatably connected inside the stator (11), a rotating shaft (12) of the rotor is coaxially and drivingly connected with an impeller in the water pump body (2); characterized in that: The motor body (1) further comprises a front dust cover (13) and a rear dust cover (14), the front dust cover (13) is fixed at the front end of the stator (11), the rotating shaft (12) is movably penetrated through the front dust cover (13) and coaxially connected with the impeller in the water pump body (2), the rear dust cover (14) is fixed at the rear end of the stator (11), the front dust cover (13), the stator (11) and the rear dust cover (14) form an enclosed space for accommodating the rotor.

2. The water pump motor of claim 1, wherein: A pair of first lugs (131) are arranged on the outer side wall of the front dust cover (13), a pair of second lugs (141) are arranged on the outer side wall of the rear dust cover (14), a threaded hole (132) is arranged in each of the first lugs (131), a connecting hole (142) is arranged in each of the second lugs (141), and a through hole (111) coaxial with each of the threaded holes (132) and the connecting holes (142) is arranged on the stator (11); the motor body (1) further comprises two fastening screws (15), the threaded portions of the two fastening screws (15) are sequentially penetrated through the connecting holes (142) and the through holes (111) in the corresponding positions from back to front and then fastened with the threaded holes (132) in a threaded manner; the front dust cover (13), the stator (11) and the rear dust cover (14) are fastened by the two fastening screws (15).

3. The water pump motor of claim 2, wherein: A first annular flange (133) coaxial with the threaded hole (132) is arranged on the rear side of each of the first lugs (131), each of the first annular flanges (133) is inserted into the front end of the through hole (111) on the corresponding side, and the outer peripheral wall of each of the first annular flanges (133) is attached to the inner side wall of the through hole (111) on the corresponding side.

4. The water pump motor of claim 2, wherein: A second annular flange (143) coaxial with the connecting hole (142) is arranged on the front side of each of the second lugs (141), each of the second annular flanges (143) is inserted into the rear end of the through hole (111) on the corresponding side, and the outer peripheral wall of each of the second annular flanges (143) is attached to the inner side wall of the through hole (111) on the corresponding side.

5. A water pump motor according to any one of claims 1-4, characterized in that: The motor body (1) is further fastened with the water pump body (2) in a threaded manner by two bolts (3) arranged in a left-right symmetrical manner, and the threaded portions of each of the bolts (3) are movably penetrated through the stator (11).

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