CN218829393U

CN218829393U - External cooling type totally-enclosed direct current motor

Info

Publication number: CN218829393U
Application number: CN202222580974.4U
Authority: CN
Inventors: 孙普生
Original assignee: Hubei Benxiang Auto Parts Co ltd
Current assignee: Hubei Benxiang Auto Parts Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-04-07
Anticipated expiration: 2032-09-29

Abstract

The utility model provides an external cooling type totally-enclosed direct current motor, which relates to the technical field of motor cooling and comprises a motor body, wherein a first transmission shaft is rotationally connected on the motor body, an inner rear end cover is rotationally connected on the first transmission shaft, an annular semiconductor cooling fin is fixedly connected on the inner rear end cover, a first transmission gear is fixedly connected on the first transmission shaft, and a plurality of through holes are arranged on the first transmission gear; the utility model discloses during the use, annular semiconductor fin reinforcing heat-sinking capability sets up the air flue simultaneously and makes gas circulate with the gas pocket, carries out the cooling of at utmost to the motor. The outer cavity is fixed through the bolt, so that the inner cavity and the outer cavity are sealed, dust is prevented from entering the outer cavity, the outer cavity and the inner cavity are in sliding connection, the outer cavity can be pulled out after the bolt is detached, the outer cavity is convenient to detach, and maintenance and repair of the motor are facilitated.

Description

External cooling type totally-enclosed direct current motor

Technical Field

The utility model relates to a motor cooling technology field specifically is an outer totally closed direct current motor of cooled.

Background

When present direct current motor used, its heat accumulation influence was its problem of operating for a long time, as present conventional mode, carries out the trompil for the casing on surface mostly, and even the person dispels the heat to its installation flabellum, however as present direct current motor usage scenario, not all environment under all can carry out the casing trompil and dispel the heat, this also leads to under its heat effect, the stability of operating for a long time has great influence.

An external cooling type totally-enclosed direct current motor is disclosed in a Chinese patent with an authorization publication number of CN 217240452U.

However, above-mentioned technical scheme still has following defect, only relies on the refrigeration effect of fan, and when the motor worked for a long time, the refrigeration effect of fan can weaken gradually for refrigeration effect is unsatisfactory, thereby makes the stability of motor receive the influence, and the gas pocket exhaust is breathed in, can inhale the dust in the air, thereby makes the motor inner shell receive the corruption, reduces motor life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a totally closed direct current motor of external cooling formula, when aiming at solving the long time use among the prior art, the unsatisfactory problem of cooling effect.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the totally closed direct current motor of outer cooled, including motor body, motor body is last to rotate and is connected with first transmission shaft, the last rotation connection of first transmission shaft has interior rear end cap, fixedly connected with annular semiconductor fin on the interior rear end cap, the first drive gear of fixedly connected with on the first transmission shaft, be equipped with a plurality of through-holes on the first drive gear, the meshing of first drive gear has a plurality of second drive gear, every fixedly connected with flabellum on the second drive gear.

The utility model discloses a further technical scheme does, fixedly connected with inner shell on the interior rear end cap, be provided with a plurality of refrigeration storehouses on the inner shell, every refrigeration storehouse both ends are provided with the gas pocket, fixedly connected with conduction ring on the inner shell, be provided with a plurality of air flues on the conduction ring, be provided with a plurality of air flues on the inner shell equally.

The utility model discloses a further technical scheme does, fixedly connected with sealing device on the conduction ring, sealing device includes outer front end housing, outer front end housing and conduction ring fixed connection, be provided with a plurality of fixed slots on the outer front end housing, every fixed slot sliding connection has the draw runner, fixedly connected with shell on the draw runner, the other end sliding connection of draw runner has outer rear end housing, outer rear end housing rotates with first transmission shaft to be connected.

The utility model discloses a further technical scheme does, the last rotation of first transmission shaft is connected with interior front end housing, interior front end housing and inner shell fixed connection.

The utility model discloses a further technical scheme does, fixedly connected with electric wire on the annular semiconductor radiator, fixedly connected with plug on the electric wire, be provided with the line hole on the outer rear end cap, the electric wire is through line hole and outer rear end cap sliding connection.

The utility model discloses a further technical scheme does, fixedly connected with support column on the outer rear end cap, fixedly connected with limiting plate on the support column.

The utility model discloses a further technical scheme does, fixedly connected with rotor on the first transmission shaft, the rotor is located among the inner chamber.

The utility model discloses a further technical scheme does, the support column rotates with first transmission shaft to be connected.

The beneficial effects of the utility model are that:

the utility model discloses during the use, annular semiconductor fin reinforcing heat-sinking capability sets up the air flue simultaneously and makes gas circulate with the gas pocket, carries out the at utmost cooling to the motor. The outer cavity is fixed through the bolt, so that the inner cavity and the outer cavity are sealed, dust is prevented from entering the outer cavity, the outer cavity and the inner cavity are in sliding connection, the outer cavity can be pulled out after the bolt is detached, the outer cavity is convenient to detach, and maintenance and repair of the motor are facilitated.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the embodiment of the present invention.

Fig. 2 is a first internal structural diagram of an embodiment of the present invention.

Fig. 3 is a schematic cross-sectional structure diagram of an embodiment of the present invention.

Fig. 4 is a second internal structural diagram of the embodiment of the present invention.

In the figure: 1. a motor body; 11. a first drive shaft; 12. an inner rear end cap; 13. an annular semiconductor heat sink; 14. an electric wire; 15. a plug; 16. a first drive gear; 1601. a through hole; 17. a second transmission gear; 18. a fan blade; 19. an inner front end cover; 2. an inner shell; 21. a refrigeration bin; 22. air holes; 23. a conductive ring; 24. an airway; 3. a sealing device; 31. an outer front end cap; 32. fixing grooves; 33. a slide bar; 34. a housing; 35. an outer rear end cap; 36. a wire hole; 37. a support pillar; 38. a limiting plate; 4. and a rotor.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings.

As shown in fig. 2 and 3, an external cooling type totally-enclosed direct current motor includes a motor body 1, a first transmission shaft 11 is rotatably connected to the motor body 1, an inner rear end cover 12 is rotatably connected to the first transmission shaft 11, annular semiconductor cooling fins 13 are fixedly connected to the inner rear end cover 12, the annular semiconductor cooling fins 13 are rotatably connected to the first transmission shaft 11, a first transmission gear 16 is fixedly connected to the first transmission shaft 11, a plurality of through holes 1601 are provided in the first transmission gear 16, preferably, four through holes 1601 are provided in the first transmission gear 16, and the through holes are uniformly distributed on the first transmission gear 16, the first transmission gear 16 is engaged with a plurality of second transmission gears 17, preferably, four second transmission gears 17 are symmetrically distributed around the first transmission gear 16, a fan blade 18 is fixedly connected to each second transmission gear 17, preferably, three fan blades 18 are provided, the first transmission gear 16 is driven by rotation of the first transmission shaft 11, so as to drive the second transmission gears 17 to rotate, power is provided for rotation of the fan blades 18, so that cool air in the motor body 1 flows through the transmission gears, and cooling effect is enhanced.

As shown in fig. 2, specifically, the inner housing 2 is fixedly connected to the inner rear end cap 12, the inner housing 2 is provided with a plurality of cooling chambers 21, preferably, 4 cooling chambers 21 are provided, two ends of each cooling chamber 21 are provided with air holes 22, the inner housing 2 is fixedly connected with a conduction ring 23, preferably, the conduction ring 23 is made of a copper ring, the conduction ring 23 is provided with a plurality of air passages 24, preferably, the air passages 24 are 4, the inner housing 2 is also provided with a plurality of air passages 24, the conduction ring 23 and the inner housing 2 are combined to form a circulation device, when the fan blade 18 rotates, cooling gas can be introduced into the front end of the motor through the air passages 24 and enter the cooling chambers 21 through the air holes 22 at the front end, the motor is cooled, the cooling gas flows out through the air holes 22 at the tail end and takes away heat, the circulation is continued after the cooling gas is cooled by the annular semiconductor cooling fin 13, meanwhile, a part of the cooling gas enters between the conduction ring 23 and the outer cavity, while the cooling ring 23 is cooled, the motor is further cooled, and the cooling effect of cooling is enhanced.

As shown in fig. 1, 3, and 4, specifically, a sealing device 3 is fixedly connected to the conducting ring 23, the sealing device includes an outer front end cover 31, the outer front end cover 31 is fixedly connected to the conducting ring 23, a plurality of fixing slots 32 are provided on the outer front end cover 31, preferably, the number of the fixing slots 32 is 4, a slider 33 is slidably connected to the fixing slots 32, a housing 34 is fixedly connected to the slider 33, an outer rear end cover 35 is slidably connected to the other end of the slider 33, the outer rear end cover 35 is rotatably connected to the first transmission shaft 11, and the housing 34 is slidably connected to the front outer end cover 31 through the slider 33, so that when the motor is maintained, the motor is convenient to detach, and meanwhile, through the cooperation between the outer front end cover 31 and the housing 34, a relative sealing state is formed inside the motor, and pollution in the outside air is reduced.

Further, there is interior front end housing 19 on the first transmission shaft 11, interior front end housing 19 and inner shell 2 fixed connection, and interior front end housing 19 builds sealed environment for the motor is inside with the fixed connection of inner shell 2, prevents that the dust from getting into inside the motor.

As shown in fig. 3, specifically, the wire 14 is fixedly connected to the annular semiconductor heat sink 13, the plug 15 is fixedly connected to the wire 14, the wire hole 36 is formed in the outer rear end cover 35, the wire 14 is slidably connected to the outer rear end cover 35 through the wire hole 36, and the annular semiconductor heat sink 13 and the motor do not share a circuit, so that when the motor works for a short time, the annular semiconductor heat sink 13 is not used, and energy is saved.

Further, fixedly connected with support column 37 on the outer rear end cap 35, fixedly connected with limiting plate 38 on the support column 37, the space that limiting plate 38 and support column 37 formed can be when not using, twine electric wire 14 into wherein, prevents that plug 15 from being damaged.

As shown in fig. 3, specifically, the rotor 4 is fixedly connected to the first transmission shaft 11, the rotor 4 is located in the inner cavity, and the motor outputs power through rotation of the rotor 4 to provide power for rotation of the fan blades 18.

As shown in fig. 3, specifically, the supporting column 37 is rotatably connected to the first transmission shaft 11, and the supporting column 37 is fixed to the outer rear end cover 35 and is also rotatably connected to the first transmission shaft 11, so as to prevent the supporting column 37 from affecting the rotation of the first transmission shaft 11.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a totally closed direct current motor of outer cooled, a serial communication port, including motor body (1), motor body (1) is gone up the rotation and is connected with first transmission shaft (11), rear end cap (12) in the rotation connection is gone up in first transmission shaft (11), fixedly connected with annular semiconductor fin (13) on interior rear end cap (12), first transmission gear (16) of fixedly connected with are gone up in first transmission shaft (11), be equipped with a plurality of through-holes (1601) on first transmission gear (16), first transmission gear (16) meshing has a plurality of second transmission gear (17), every fixedly connected with flabellum (18) on second transmission gear (17).

2. The external-cooling type totally-enclosed direct current motor according to claim 1, wherein an inner shell (2) is fixedly connected to the inner rear end cover (12), a plurality of refrigerating bins (21) are arranged on the inner shell (2), air holes (22) are formed in two ends of each refrigerating bin (21), a conducting ring (23) is fixedly connected to the inner shell (2), a plurality of air passages (24) are formed in the conducting ring (23), and a plurality of air passages (24) are also formed in the inner shell (2).

3. The externally-cooled totally-enclosed direct current motor according to claim 2, wherein the conductive ring (23) is fixedly connected with a sealing device (3) which comprises an outer front end cover (31), the outer front end cover (31) is fixedly connected with the conductive ring (23), the outer front end cover (31) is provided with a plurality of fixing grooves (32), each fixing groove (32) is slidably connected with a sliding strip (33), the sliding strip (33) is fixedly connected with a shell (34), the other end of the sliding strip (33) is slidably connected with an outer rear end cover (35), and the outer rear end cover (35) is rotatably connected with the first transmission shaft (11).

4. The externally-cooled totally-enclosed direct current motor according to claim 1, characterized in that an inner front end cover (19) is rotatably connected to the first transmission shaft (11), and the inner front end cover (19) is fixedly connected with the inner casing (2).

5. An external cooling type totally-enclosed direct current motor according to claim 3, wherein the annular semiconductor heat sink (13) is fixedly connected with an electric wire (14), the electric wire (14) is fixedly connected with a plug (15), the outer rear end cover (35) is provided with a wire hole (36), and the electric wire (14) is slidably connected with the outer rear end cover (35) through the wire hole (36).

6. The external cooling type totally-enclosed direct current motor according to claim 5, wherein a supporting column (37) is fixedly connected to the outer rear end cover (35), and a limiting plate (38) is fixedly connected to the supporting column (37).

7. An externally cooled, fully closed direct current machine according to claim 4, characterised in that the rotor (4) is fixedly connected to the first drive shaft (11), the rotor (4) being located in the inner cavity.

8. An externally cooled, fully closed direct current machine according to claim 6, characterised in that the supporting strut (37) is in rotational connection with the first transmission shaft (11).