CN213125694U

CN213125694U - Water pump motor drainage structures

Info

Publication number: CN213125694U
Application number: CN202021622794.2U
Authority: CN
Inventors: 李江澎; 吴林友
Original assignee: Changzhou Honest Electric Co ltd
Current assignee: Changzhou Honest Electric Co ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-05-04
Anticipated expiration: 2030-08-07

Abstract

The utility model relates to a water pump motor drainage structures belongs to motor drainage technical field. The water-throwing type motor comprises a motor rotating shaft, a front end cover, a machine shell, a rear end cover and a capacitance box, wherein the front end cover is fixedly connected with the front end of the machine shell, the rear end of the machine shell is fixedly connected with the rear end cover, a rear end cover sealing structure is further arranged at the tail end of the machine shell, the motor rotating shaft is rotatably connected onto the front end cover and the rear end cover sealing structure in a penetrating mode, a circular ring-shaped water throwing ring is clamped at the head of the motor rotating shaft, the top of the machine shell is connected with the capacitance box, the bottom of the capacitance box is provided with a capacitance box water draining hole communicated. The utility model discloses a water pump motor drainage structure can the effectual steam of discharge motor the inside, need not assemble other spare part moreover, does not have cost and life-span problem, only needs just before the design, the position and the structure of having designed the drainage can.

Description

Water pump motor drainage structures

Technical Field

The utility model relates to a water pump motor drainage structures belongs to motor drainage technical field.

Background

At present, water pump motors are widely used in various industries, and in order to prevent water vapor from entering the motors to damage the insulation performance of the motors and influence the normal work and the service life of the motors, protective structures are designed on general water pump motors. The traditional water pump motor mainly designs a plurality of sealing structures and assembles a plurality of standard sealing elements to achieve the sealing effect; the design aims at blocking water vapor and is a 'blocking' mode; in fact, even if water vapor enters the motor, the same effect can be achieved through a drainage mode, and the drainage mode is a dredging mode. The traditional sealing on the water pump motor always has the problems of aging of a sealing element, improper installation and high cost of the sealing element.

In view of the above-mentioned defects, the designer actively makes research and innovation to create a water pump motor drainage structure, so that the water pump motor drainage structure has industrial utilization value.

Disclosure of Invention

In order to solve the technical problem, the utility model aims at providing a water pump motor drainage structures. The utility model discloses a water pump motor drainage structure can be effectual the steam of discharge motor the inside, need not assemble other spare part moreover, does not have cost and life problem, only needs just before the design, the position and the structure of having designed the drainage can, avoided the tradition to cause with the mode of "stifled" the sealing member ageing, install not arrive the position and costly problem appearance, have wide application prospect.

The utility model relates to a water pump motor drainage structure, which comprises a motor rotating shaft, a front end cover, a shell, a rear end cover and a capacitance box,

the water-saving washing machine is characterized in that the front end cover is fixedly connected with the front end of the machine shell, the rear end of the machine shell is fixedly connected with a rear end cover, a rear end cover sealing structure is further arranged at the tail end of the machine shell, the motor rotating shaft is rotatably connected to the front end cover and the rear end cover sealing structure in a penetrating mode, the head of the motor rotating shaft is clamped with a circular water throwing ring, the top of the machine shell is connected with a capacitance box, the bottom of the capacitance box is provided with a capacitance box drainage hole communicated with the machine shell, and the bottom of the.

Furthermore, the front surface of the front end cover is of an inwards concave bowl-shaped cambered surface structure, and a front circular hole groove with a bearing is arranged on the rear surface of the front end cover.

Furthermore, the rear end cover sealing structure is positioned between the shell and the rear end cover, and a rear circular hole groove with a bearing is further arranged on the front surface of the rear end cover sealing structure.

Further, the head of the motor rotating shaft is also provided with a circular groove, the water throwing ring is circular, and the water throwing ring is clamped and fixed through the circular groove of the head of the motor rotating shaft.

Furthermore, the water slinger is positioned in the bowl-shaped cambered surface structure cavity on the surface of the front end cover.

Furthermore, the tail end of the motor rotating shaft is connected with an impeller, and the impeller is positioned in a cavity formed between the rear end cover sealing structure and the rear end cover.

By the scheme, the invention at least has the following advantages:

the utility model discloses a water pump motor drainage structure can be effectual the steam of discharge motor the inside, need not assemble other spare part moreover, does not have cost and life problem, only needs just before the design, the position and the structure of having designed the drainage can, avoided the tradition to cause with the mode of "stifled" the sealing member ageing, install not arrive the position and costly problem appearance, have wide application prospect.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood and to be implemented in accordance with the content of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate a certain embodiment of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic perspective view of a water pump motor drainage structure of the present invention;

FIG. 2 is a side sectional view of the water pump motor drainage structure of the present invention;

FIG. 3 is a front view of the water pump motor drainage structure of the present invention;

wherein, in the figure,

1. a motor shaft; 2. a front end cover; 3. a housing; 4. a housing; 5. a rear end cap; 6. a capacitance box; 7. an impeller; 21. a front circular hole groove; 41. a casing drain hole; 42. a rear end cover sealing structure; 43. a rear circular hole slot; 61. The capacitor box is provided with a drain hole.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 1 to 3, a water pump motor drainage structure according to a preferred embodiment of the present invention includes a motor shaft 1, a front cover 2, a housing 4, a rear cover 5 and a capacitor box 6,

the front end of the front end cover 2 and the front end of the casing 4 are fixedly riveted through screws, the front surface of the front end cover 2 is of an inwards concave bowl-shaped cambered surface structure, the rear surface of the front end cover 2 is provided with a front circular hole groove 21 with a bearing, the rear end of the casing 4 is riveted with a rear end cover 5 through screws, the tail end of the casing 4 is also provided with a rear end cover sealing structure 42, the rear end cover sealing structure 42 is positioned between the casing 4 and the rear end cover 5, the front surface of the rear end cover sealing structure 42 is also provided with a rear circular hole groove 43 with a bearing, the motor rotating shaft 1 is rotatably connected on the front end cover 2 and the rear end cover sealing structure 42 through the bearings in the front circular hole groove 21 and the rear circular hole groove 43 in a penetrating manner, the head of the motor rotating shaft 1 is also provided with a circular ring-shaped groove, a circular water slinger 3 is clamped in the groove, and, the motor comprises a motor shaft 1, a motor shell 4, a motor cover 5, a motor shaft seal structure 42, a motor shell 6, a motor shell drain hole 61, an impeller 7, a motor shell drain hole 41 and a motor shell, wherein the motor shaft 1 is connected with the tail end of the motor shaft, the impeller 7 is positioned in a cavity formed between the motor shell seal structure 42 and the motor shell 5, the top of the motor shell 4 is fixedly connected with the motor shell 6 through a screw, the motor shell drain hole 61 is arranged at the bottom of the motor.

The working principle of the utility model is as follows:

the utility model discloses a water pump motor drainage structures comprises triple drainage structures:

1. the first partial drainage structure: the water throwing device consists of a water throwing ring 3 and a motor rotating shaft 1, wherein the water throwing ring 3 is a plastic ring clamped in a groove processed on the surface of the motor rotating shaft 1, the partial drainage structure can drain water leaked from a water pump end, when the motor runs at high height, the water passing through a rear end cover sealing structure 42 from a rear pump head impeller 7 flows to the position of the water throwing ring 3 along the motor rotating shaft 1, and water is thrown to the arc surface of a front end cover 2 under the action of centrifugal force to be discharged out of the motor;

2. the second part drainage structure comprises a front part and a rear part: two casing drain holes 41 are processed on the casing 4, and a little condensed water may be generated inside the motor or a little water drops may penetrate into the capacitor box 6 from the upper part when the motor runs for a long time, and the water can be drained out of the motor through the two casing drain holes 41 of the casing 4;

3. the third part drainage structure: the part is made when the structure design on the capacitance box 5 is carried out, post-processing is not needed, the water drain hole 61 of the capacitance box is positioned at the lowest position of the capacitance box 5, and condensed water in the capacitance box 5 can be effectively drained, so that the purpose of protecting electronic elements in the capacitance box is achieved.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a water pump motor drainage structures, includes motor shaft (1), front end housing (2), casing (4), rear end cap (5) and capacitance box (6), its characterized in that:

the motor is characterized in that the front end cover (2) is fixedly connected with the front end of the shell (4), the rear end of the shell (4) is fixedly connected with the rear end cover (5), a rear end cover sealing structure (42) is further arranged at the tail end of the shell (4), the motor rotating shaft (1) is rotatably connected to the front end cover (2) and the rear end cover sealing structure (42) in a penetrating mode, a circular water throwing ring (3) is clamped at the head of the motor rotating shaft (1), the top of the shell (4) is connected with a capacitance box (6), a capacitance box water drainage hole (61) communicated with the shell is formed in the bottom of the capacitance box (6), and two shell water drainage holes (41) are symmetrically formed in the front and back of the.

2. The water pump motor drainage structure of claim 1, wherein: the front surface of the front end cover (2) is of an inwards concave bowl-shaped cambered surface structure, and a front circular hole groove (21) with a bearing is formed in the rear surface of the front end cover (2).

3. The water pump motor drainage structure of claim 1, wherein: the rear end cover sealing structure (42) is positioned between the shell (4) and the rear end cover (5), and a rear round hole groove (43) with a bearing is further formed in the front surface of the rear end cover sealing structure (42).

4. The water pump motor drainage structure of claim 1, wherein: the head of the motor rotating shaft (1) is also provided with a circular groove, the water throwing ring (3) is circular and is clamped and fixed through the circular groove at the head of the motor rotating shaft (1).

5. The water pump motor drainage structure of claim 1, wherein: the water throwing ring (3) is positioned in a bowl-shaped cambered surface structure cavity on the surface of the front end cover (2).

6. The water pump motor drainage structure of claim 1, wherein: the motor is characterized in that the tail end of the motor rotating shaft (1) is connected with an impeller (7), and the impeller (7) is located in a cavity formed between the rear end cover sealing structure (42) and the rear end cover (5).