CN218472894U

CN218472894U - Waterproof motor

Info

Publication number: CN218472894U
Application number: CN202123278302.XU
Authority: CN
Inventors: 魏秋湘
Original assignee: Wuxi Hongtai Motor Co ltd
Current assignee: Wuxi Hongtai Motor Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2023-02-10
Anticipated expiration: 2031-12-24

Abstract

The utility model belongs to the technical field of the motor is sealed, a waterproof type motor is disclosed, including the casing with install the winding in the casing, wear to be equipped with the pivot in the winding, wherein still include closing cap subassembly and wiring board, the closing cap subassembly includes first end cover and first apron, first end cover is connected in the casing, first apron is connected in first end cover and is enclosed to form first holding cavity with first end cover, the wiring board is installed in first end cover and is located first holding cavity, the inside winding of casing and outside power supply unit can be connected to the wiring board. The wiring board sets up on first end cover, has cancelled the structure of terminal box, improves the leakproofness, can reduce the influence of dust or water to waterproof type motor.

Description

Waterproof motor

Technical Field

The utility model relates to a motor sealing technique field especially relates to a waterproof type motor.

Background

The motor is a device for converting electric energy into mechanical energy, and a rotating magnetic field is generated by utilizing an electrified coil (namely a stator winding) and acts on a rotor (such as a squirrel-cage closed aluminum frame) to form magnetoelectric power rotating torque. The sealing performance of motor is extremely important to the normal work of motor, among the prior art, because the existence of terminal box generally, leads to the sealing performance of motor not enough, makes dust and water entering motor easily, influences the normal work of motor.

Based on the above current situation, it is urgent to design a waterproof motor to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at: provided is a waterproof motor capable of improving sealing performance.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a waterproof type motor, includes the casing and installs in winding in the casing, wear to be equipped with the pivot in the winding, still include:

the cover assembly comprises a first end cover and a first cover plate, the first end cover is connected to the shell, and the first cover plate is connected to the first end cover and surrounds the first end cover to form a first accommodating cavity;

and the wiring board is arranged on the first end cover and positioned in the first accommodating cavity, and the wiring board can be connected with the winding and external power supply equipment.

As a preferred scheme, a wire outlet is formed in a side wall of the first accommodating cavity, and the wire outlet faces to the lower side of the housing.

As a preferable scheme, a first sealing ring is arranged between the first end cover and the first cover plate.

Preferably, a second sealing ring is arranged between the first end cover and the shell.

As a preferred scheme, the waterproof motor further comprises a water throwing disc, and the water throwing disc is sleeved on the rotating shaft in an interference manner and can seal the shell.

As a preferable scheme, the cover assembly further includes a second end cover and a second cover plate, the second end cover is connected to one end of the casing far away from the first end cover, the second cover plate is connected to the second end cover and surrounds the second end cover to form a second accommodating cavity, and the water throwing disc is disposed in the second accommodating cavity and one end of the water throwing disc penetrates through the second cover plate.

As a preferable scheme, the waterproof motor further comprises a bearing and a bearing cover, the bearing is sleeved on the rotating shaft and is installed in the second accommodating cavity, the bearing cover is connected to the second end cover and pushes the bearing against the second end cover, and the water throwing disc is connected with the bearing cover.

As a preferable scheme, one of the bearing cover and the water throwing disc is provided with an annular groove, and the other is provided with an annular boss which is embedded in the groove.

As a preferable scheme, the grooves and the bosses are arranged in a one-to-one correspondence along a direction away from the rotating shaft.

As a preferable scheme, a water discharge hole is formed in the side wall of the second accommodating cavity, and the water discharge hole faces the lower side of the shell.

The beneficial effects of the utility model are that: the utility model provides a waterproof type motor for the wiring board that connects interior winding and external power supply equipment is installed on first end cover, has cancelled the structure of terminal box, has improved the leakproofness, can reduce the influence of dust or water to waterproof type motor.

Drawings

The present invention will be described in further detail with reference to the drawings and examples.

Fig. 1 is a sectional view of a waterproof type motor.

In FIG. 1:

1. a closure assembly; 11. a first end cap; 111. an outlet; 12. a first cover plate; 13. a first seal ring; 14. a second seal ring; 15. a second end cap; 151. a water discharge hole; 16. a second cover plate;

2. a wiring board;

3. a water throwing disc; 31. a groove;

41. a bearing; 42. a bearing cap; 421. a boss; 43. framework oil seal;

51. a winding; 52. a housing.

Detailed Description

In order to make the technical problems, the adopted technical solutions and the achieved technical effects of the present invention clearer, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1, the embodiment provides a waterproof motor, including a winding 51, a housing 52, a cover assembly 1, a wiring board 2 and a rotating shaft, the cover assembly 1 includes a first end cover 11 and a first cover plate 12, the winding 51 composed of a stator and a rotor is installed in the housing 52 of the waterproof motor, the rotating shaft penetrates through the rotor of the winding 51, the first end cover 11 is connected to the end of the housing 52 through a screw to close the housing 52, the first cover plate 12 is connected to one end of the first end cover 11 far away from the housing 52 through a screw, the first end cover 11 and the first cover plate 12 surround to form a first accommodating cavity, and the wiring board 2 for connecting the winding 51 and external power supply equipment is installed on the first end cover 11 and located in the first accommodating cavity. It can be understood that, in the embodiment, the wiring board 2 is directly mounted on the first end cover 11, the arrangement of the wiring board is omitted, the sealing performance is improved, the influence of dust or water on the waterproof motor can be reduced, and the size of the waterproof motor is reduced by the structure, so that the waterproof motor is more convenient to mount.

As a preferred embodiment, the sidewall of the first accommodating cavity is opened with an outlet 111, the outlet 111 is located at the bottom of the first end cap 11, the outlet 111 can lead out wires on the wiring board 2, and the outlet 111 of this embodiment is disposed toward the lower side of the housing 52, so as to further reduce the possibility of dust and water entering the waterproof motor.

In this embodiment, an opening is formed on a side of the first end cap 11 away from the housing 52, the first cover plate 12 is connected to the opening of the first end cap 11 to close the opening, an installation groove is formed on the first cover plate 12, a first sealing ring 13 is disposed in the installation groove, and the first cover plate 12 presses the first sealing ring 13 against the wall of the opening of the first end cap 11.

In this embodiment, an opening is formed in a side wall of the housing 52, the first end cap 11 is connected to the opening of the housing 52 to close the opening, an installation groove is formed in the first end cap 11, the second sealing ring 14 is disposed in the installation groove, and the first end cap 11 presses the second sealing ring 14 against the opening wall of the housing 52.

As a preferred embodiment, the waterproof motor further includes a water throwing disk 3, the water throwing disk 3 is sleeved on a rotating shaft of the waterproof motor, the water throwing disk 3 and the rotating shaft of the waterproof motor are in interference fit, the rotating shaft of the waterproof motor extends out of the casing 52, and the water throwing disk 3 can close a front end opening of the casing 52. When the waterproof motor is started, the water throwing disc 3 rotates along with the rotating shaft, and can throw water out of the outer side of the shell 52; when the waterproof motor stops operating, the water throwing disc 3 can isolate water from the outer side of the shell 52, and the waterproof performance is good.

Specifically, the closing cap assembly 1 includes a second end cover 15 and a second cover plate 16, the second end cover 15 is connected to the front end of the housing 52 through screws, the second cover plate 16 is connected to one end of the second end cover 15 away from the housing 52 through screws, the second end cover 15 and the second cover plate 16 surround to form a second accommodating cavity, a rotating shaft of the waterproof motor penetrates through the second accommodating cavity and extends to the outer side of the second cover plate 16, the water throwing disc 3 is arranged in the second accommodating cavity, one end of the water throwing disc penetrates through the second cover plate 16, the pin penetrates through the water throwing disc 3 and is connected to the rotating shaft of the waterproof motor, so that the water throwing disc 3 is fixed to the rotating shaft of the waterproof motor, and the structural arrangement of the water throwing disc 3 penetrating through the second cover plate 16 can improve the sealing performance between the rotating shaft and the second cover plate 16.

In this embodiment, the waterproof motor further includes a bearing 41 and a bearing cap 42, the bearing 41 is installed in the second accommodating cavity, the rotating shaft of the waterproof motor penetrates through the inner ring of the bearing 41, the bearing cap 42 is connected to the second end cover 15 through a screw, the outer ring of the bearing 41 is pressed against the second end cover 15, the rotating resistance of the rotating shaft is reduced, and a framework oil seal 43 is further arranged between the bearing cap 42 and the rotating shaft, so that the sealing performance is further improved.

Specifically, the seal rings are provided between the bearing cap 42 and the second end cap 15, and between the second end cap 15 and the housing 52, so that the sealing performance can be further improved.

In a preferred embodiment, an annular boss 421 is disposed on one side of the bearing cover 42 close to the water slinger 3, an annular groove 31 matched with the boss 421 is disposed on one side of the water slinger 3 close to the bearing cover 42, and the boss 421 is embedded in the groove 31 to position the connection between the bearing cover 42 and the water slinger 3.

Specifically, the grooves 31 and the bosses 421 are arranged in a one-to-one correspondence in the direction away from the rotating shaft, the specific number may be set according to actual needs, and the embodiment is provided with three grooves 31 and bosses 421 in a one-to-one correspondence. It can be understood that the three bosses 421 of the bearing cover 42 are assembled with the three grooves 31 of the water slinging disc 3 to form a zigzag structure, so as to form a multi-stage sealing structure, further improve the sealing performance, and prevent water or dust from entering the interior of the waterproof motor.

In this embodiment, the side wall of the second accommodating cavity has a drainage hole 151, the drainage hole 151 is located at the bottom of the second end cap 15, the drainage hole 151 can drain accumulated water in the second accommodating cavity, the accumulated water is prevented from gathering in the second accommodating cavity, and the drainage hole 151 of this embodiment faces the lower part of the housing 52, so that the accumulated water can be drained conveniently.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used in an orientation or positional relationship based on what is shown in the drawings for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

In addition, the foregoing is only a preferred embodiment of the present invention and the technical principles applied thereto. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. The utility model provides a waterproof type motor, includes casing (52) and installs in winding (51) in casing (52), wear to be equipped with the pivot in winding (51), its characterized in that still includes:

the cover sealing assembly (1) comprises a first end cover (11) and a first cover plate (12), wherein the first end cover (11) is connected to the shell (52), and the first cover plate (12) is connected to the first end cover (11) and surrounds the first end cover (11) to form a first accommodating cavity;

and the wiring board (2) is arranged on the first end cover (11) and is positioned in the first accommodating cavity, and the wiring board (2) can be used for connecting the winding (51) with external power supply equipment.

2. The waterproof motor according to claim 1, wherein an outlet (111) is formed in a side wall of the first accommodating cavity, and the outlet (111) faces a lower portion of the housing (52).

3. A waterproof motor according to claim 1, characterised in that a first sealing ring (13) is arranged between the first end cover (11) and the first cover plate (12).

4. A waterproof motor according to claim 1, characterised in that a second sealing ring (14) is arranged between said first end cap (11) and said housing (52).

5. The waterproof motor according to claim 1, further comprising a water throwing disc (3), wherein the water throwing disc (3) is sleeved on the rotating shaft in an interference mode and can close the shell (52).

6. A waterproof motor according to claim 5, wherein the cover assembly (1) further comprises a second end cover (15) and a second cover plate (16), the second end cover (15) is connected to one end of the housing (52) far away from the first end cover (11), the second cover plate (16) is connected to the second end cover (15) and surrounds the second end cover (15) to form a second accommodating cavity, and the water throwing disc (3) is arranged in the second accommodating cavity and one end of the water throwing disc penetrates through the second cover plate (16).

7. The waterproof motor according to claim 6, further comprising a bearing (41) and a bearing cover (42), wherein the bearing (41) is sleeved on the rotating shaft and mounted in the second accommodating cavity, the bearing cover (42) is connected to the second end cover (15) and presses the bearing (41) against the second end cover (15), and the water throwing disc (3) is connected with the bearing cover (42).

8. The waterproof motor according to claim 7, wherein one of the bearing cover (42) and the water throwing disc (3) is provided with an annular groove (31), and the other one is provided with an annular boss (421), and the boss (421) is embedded in the groove (31).

9. The waterproof motor according to claim 8, wherein said grooves (31) and said bosses (421) are provided in plurality in one-to-one correspondence in a direction away from said rotation axis.

10. The waterproof motor according to claim 7, wherein a drain hole (151) is formed in a side wall of the second accommodating cavity, and the drain hole (151) faces a lower portion of the housing (52).