CN218603313U

CN218603313U - One-shaft dual-function EC motor in cold chain equipment

Info

Publication number: CN218603313U
Application number: CN202223030584.6U
Authority: CN
Inventors: 李远培
Original assignee: Jiangsu Willtron Tech Co ltd
Current assignee: Jiangsu Willtron Tech Co ltd
Priority date: 2022-11-15
Filing date: 2022-11-15
Publication date: 2023-03-10
Anticipated expiration: 2032-11-15

Abstract

The utility model discloses a difunctional EC motor of an axle in cold chain equipment, including motor main body, it has the drive shaft to peg graft in the motor main body, upper and lower end in the drive shaft is provided with two opposite wind direction's first fan and second fan respectively, it is regional to the refrigerated heat dissipation of cold chain equipment to form between first fan and the second fan. Along with the rotation of drive shaft, drive the rotation of race ring for the second fan of drive shaft lower extreme rotates, because the opposite wind direction of first fan and second fan makes and forms the faster heat dissipation region of cooling to the cold chain equipment between first fan and the second fan, has increased the whole utilization nature to the motor, has also improved the radiating efficiency to the cold chain equipment simultaneously.

Description

One-shaft dual-function EC motor in cold chain equipment

Technical Field

The utility model particularly relates to a difunctional EC motor of an axle in cold chain equipment.

Background

The motor is a common electric device, can convert electric energy into mechanical energy to do work, is a core device in industry, and is widely used in various industries due to convenient use, reliable operation, low price and firm structure. For the fan motor on the refrigeration equipment, when assembling, generally need set up the installation position in order to dispel the heat to the condensing engine on installing the cold chain equipment with the motor on the fan motor.

At present, motors used on cold chain equipment are all single-shaft single-function motors, and when the cold chain equipment is cooled, the cooling speed is low due to the single fan cooling, so that the overall cooling performance of the cold chain equipment is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a difunctional EC motor of an axle in cold chain equipment to solve the problem of proposing in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a difunctional EC motor of an axle in cold chain equipment, includes motor main part, it has the drive shaft to peg graft in the motor main part, the upper and lower extreme of drive shaft is provided with two opposite wind direction's first fan and second fan respectively, form the radiating area to cold chain equipment fast heat dissipation between first fan and the second fan.

Preferably, the outer side of the upper end of the driving shaft is provided with a mounting shell, a clamping plate used for fixing the mounting shell on the driving shaft is arranged in the mounting shell, a first limiting bolt is inserted in the middle of the upper surface of the first fan, and the first limiting bolt penetrates through the surface of the mounting shell and extends into the mounting shell.

Preferably, the first limit bolt is further provided with a first gasket for increasing the rotational stability of the first fan.

Preferably, the upper and lower outer sides of the motor body are respectively provided with an upper shell and a lower shell for protection, and the upper shell and the lower shell are connected through fastening bolts.

Preferably, the driving shaft is arranged at the outer side of one end in the motor main body and is provided with a first ball bearing and a second ball bearing, and the first ball bearing and the second ball bearing are arranged up and down.

Preferably, a spring and a wear-resistant sleeve are arranged between the first ball bearing and the second ball bearing, and the wear-resistant sleeve is arranged below the spring vertically.

Preferably, a protective shell is arranged on one side, close to the driving shaft, of the second fan, a bearing ring used for driving the second fan to rotate is arranged in the protective shell, and the driving shaft is inserted into the bearing ring.

Preferably, a second limiting bolt is inserted into the lower surface of the second fan, and a second gasket used for increasing the rotation stability of the second fan is arranged on the second limiting bolt.

The utility model discloses a technological effect and advantage: this difunctional EC motor of an axle in cold chain equipment, install motor main part back on cold chain equipment through external installation pole, start motor main part, rotate through motor main part drive shaft, make first fan rotate, under the firm of first fastening bolt and first gasket, first fan dispels the heat, and along with the rotation of drive shaft, drive the rotation of race ring, make the second fan of drive shaft lower extreme rotate, because the wind direction of first fan and second fan is opposite, make and form the heat dissipation region faster to cold chain equipment cooling between first fan and the second fan, the wholeness utilization to the motor has been increased, the radiating efficiency to cold chain equipment has also been improved simultaneously.

Drawings

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

fig. 2 is a schematic structural view of the mounting case of the present invention;

FIG. 3 is a cross-sectional view of the interior of the present invention;

fig. 4 is a schematic diagram of the internal structure of the motor main body of the present invention.

In the figure: 1. a motor main body; 2. an upper housing; 3. a lower housing; 4. a drive shaft; 5. a first fan; 6. a first spacer; 7. a first limit bolt; 8. mounting a shell; 9. a clamping plate; 10. a protective shell; 11. a spring; 12. a second fan; 13. a second limit bolt; 14. a second gasket; 15. a first ball bearing; 16. a wear-resistant sleeve; 17. a second ball bearing; 18. and (4) a bearing ring.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

In order to improve the heat dissipation efficiency of the cold chain equipment, as shown in fig. 1, fig. 2 and fig. 3, the cold chain equipment heat dissipation device comprises a motor main body 1, a driving shaft 4 is inserted in the motor main body 1, two first fans 5 and two second fans 12 with opposite wind directions are respectively arranged at the upper end and the lower end of the driving shaft 4, a heat dissipation area for quickly dissipating heat of the cold chain equipment is formed between the first fans 5 and the second fans 12, the driving shaft 4 is driven by the motor main body 1 to rotate, the first fans 5 dissipate heat under the stability of the first fastening bolt and the first gasket 6, and the bearing ring 18 is driven to rotate along with the rotation of the driving shaft 4, so that the second fans 12 at the lower end of the driving shaft 4 rotate, and the wind directions of the first fans 5 and the second fans 12 are opposite, so that the heat dissipation area for cooling the cold chain equipment more quickly is formed between the first fans 5 and the second fans 12, the overall utilization of the motor is increased, and the heat dissipation efficiency of the cold chain equipment is also improved.

In order to improve the functionality of the motor in the cold chain equipment, referring to fig. 1, fig. 2, fig. 3 and fig. 4, an installation shell 8 is arranged outside the upper end of the driving shaft 4, an engagement plate 9 used for fixing the installation shell 8 on the driving shaft 4 is arranged in the installation shell 8, the installation stability of the first fan 5 is improved through the engagement plate 9 in the installation shell 8, and the safety of the first fan 5 during rotation is improved. First fan 5 upper surface is pegged graft in the middle and is had first spacing bolt 7, first spacing bolt 7 runs through the installation shell 8 surface to extend to in the installation shell 8, still be provided with first gasket 6 that is used for increasing first fan 5 rotational stability on the first spacing bolt 7, further promote the stability to first fan 5 through first spacing bolt 7 and first gasket 6. The upper and lower outside of motor main body 1 is provided with last casing 2 and lower casing 3 that are used for the protection respectively, go up casing 2 and casing 3 down and be connected through fastening bolt, carry out the cladding back through last casing 2 and casing 3 down to motor main body 1, promote the protection to motor main body 1, prolong motor main body 1's life. The drive shaft 4 is located motor body 1 one end outside and is provided with first ball bearing 15 and second ball bearing 17, first ball bearing 15 and second ball bearing 17 set up from top to bottom, promote the rotatory lubricity of drive shaft 4 through first ball bearing 15 and second ball bearing 17. Be located be provided with spring 11 and wear-resisting cover 16 between first ball bearing 15 and the second ball bearing 17, wear-resisting cover 16 sets up in the vertical below of spring 11, second fan 12 is close to drive shaft 4 one side and is provided with protecting crust 10, be provided with in the protecting crust 10 and be used for driving second fan 12 pivoted race 18, drive shaft 4 pegs graft in race 18, second fan 12 lower surface pegs graft and has second stop bolt 13, be provided with second gasket 14 that is used for increasing second fan 12 rotational stability on the second stop bolt 13.

During the use, at first, after external installation pole installed motor main body 1 on cold chain equipment, start motor main body 1, drive shaft 4 through motor main body 1 rotates, make first fan 5 rotate, under the firm of first fastening bolt and first gasket 6, first fan 5 dispels the heat, and along with the rotation of drive shaft 4, drive the rotation of race ring 18, make second fan 12 of drive shaft 4 lower extreme rotate, can protect race ring 18 through the protective housing, because the opposite direction of wind of first fan 5 and second fan 12, make and form the heat dissipation region that cools down the cold chain equipment faster between first fan 5 and the second fan 12.

Finally, it should be noted that: the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention.

Claims

1. The utility model provides a difunctional EC motor of one axle in cold chain equipment, characterized in that, includes motor main body (1), it has drive shaft (4) to peg graft in motor main body (1), drive shaft (4) upper and lower extreme is provided with two opposite wind direction's first fan (5) and second fan (12) respectively, form the radiating area to cold chain equipment fast heat dissipation between first fan (5) and second fan (12).

2. The one-shaft dual-function EC motor in the cold chain equipment of claim 1, wherein: the fan is characterized in that an installation shell (8) is arranged on the outer side of the upper end of the driving shaft (4), a clamping plate (9) used for fixing the installation shell (8) on the driving shaft (4) is arranged in the installation shell (8), a first limiting bolt (7) is inserted in the middle of the upper surface of the first fan (5), and the first limiting bolt (7) penetrates through the surface of the installation shell (8) and extends into the installation shell (8).

3. An axial dual function EC motor in a cold chain apparatus as claimed in claim 2, wherein: the first limiting bolt (7) is further provided with a first gasket (6) used for increasing the rotation stability of the first fan (5).

4. The one-shaft dual-function EC motor in the cold chain equipment of claim 1, wherein: the motor is characterized in that an upper shell (2) and a lower shell (3) used for protection are respectively arranged on the upper outer side and the lower outer side of the motor main body (1), and the upper shell (2) is connected with the lower shell (3) through fastening bolts.

5. The one-shaft dual-function EC motor in the cold chain equipment of claim 4, wherein: the driving shaft (4) is located one end outside in the motor main body (1) and is provided with first ball bearing (15) and second ball bearing (17), first ball bearing (15) and second ball bearing (17) are arranged up and down.

6. An axial dual function EC motor in a cold chain apparatus as claimed in claim 5, characterized by: and a spring (11) and a wear-resistant sleeve (16) are arranged between the first ball bearing (15) and the second ball bearing (17), and the wear-resistant sleeve (16) is arranged vertically below the spring (11).

7. The one-shaft dual-function EC motor in the cold chain equipment of claim 1, wherein: one side, close to the driving shaft (4), of the second fan (12) is provided with a protective shell (10), a bearing ring (18) used for driving the second fan (12) to rotate is arranged in the protective shell (10), and the driving shaft (4) is inserted into the bearing ring (18).

8. The one-shaft dual-function EC motor in the cold chain equipment of claim 1, wherein: the lower surface of the second fan (12) is spliced with a second limiting bolt (13), and a second gasket (14) used for increasing the rotation stability of the second fan (12) is arranged on the second limiting bolt (13).