CN215990429U - Efficient sealed motor containing cooling liquid filling device - Google Patents

Efficient sealed motor containing cooling liquid filling device Download PDF

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Publication number
CN215990429U
CN215990429U CN202122353934.1U CN202122353934U CN215990429U CN 215990429 U CN215990429 U CN 215990429U CN 202122353934 U CN202122353934 U CN 202122353934U CN 215990429 U CN215990429 U CN 215990429U
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Prior art keywords
hole
cooling liquid
liquid filling
end cover
motor
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CN202122353934.1U
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Chinese (zh)
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本特·劳伦斯
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Lorentz Pump & Mechanics Beijing Co ltd
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Lorentz Pump & Mechanics Beijing Co ltd
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Abstract

The application relates to a high-efficiency sealed motor containing a cooling liquid filling device, which comprises a shell; the end cover is arranged at one end of the sleeve; a sealed chamber disposed within the end cap; a drive shaft inserted into the sealed chamber; the cooling liquid filling hole is formed in one side, close to the end cover, of the driving shaft; a shunting hole is formed in the driving shaft in a direction perpendicular to the cooling liquid filling hole; the shunting hole is communicated with the cooling liquid filling hole. This application has before the motor starts, and accessible coolant liquid filling hole adds the coolant liquid, and the coolant liquid gets into the back by coolant liquid filling hole, in flowing into sealed cavity through the reposition of redundant personnel hole to inside fully infiltrating sealed cavity, after the motor starts, the drive shaft can be absorbed by the coolant liquid because the heat that the friction produced, makes the inside temperature of motor remain stable effect.

Description

Efficient sealed motor containing cooling liquid filling device
Technical Field
The application relates to the field of motors, in particular to a high-efficiency sealing motor with a cooling liquid filling device.
Background
The motor is the indispensable device of industrial production, when actually carrying out production work, often will select the suitable kind motor according to the production demand.
At present, the working principle of the motor used in industry is as follows: the stator surrounding the outer side of the driving shaft generates a magnetic field when being electrified, and the driving shaft rotates under the action of the magnetic field, so that electric energy is converted into mechanical energy.
In view of the above-mentioned related art, the inventor believes that there is a defect that when the motor is operated, the driving shaft rotates in the housing and rubs against a member such as a bearing to generate heat, thereby causing an excessive internal temperature.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the temperature is too high inside the motor during operation, the application provides a high-efficient sealed motor who contains coolant liquid filling device.
The application provides a high-efficient sealed motor who contains coolant liquid filling device adopts following technical scheme:
a high efficiency canned motor containing a coolant filling device, comprising:
a housing;
the end cover is arranged at the end part of the shell;
the driving shaft penetrates through the end cover and is inserted into the shell, and the end cover is rotatably connected with the driving shaft;
a sealed chamber disposed between the end cap and the drive shaft;
the cooling liquid filling hole is formed in one side, close to the end cover, of the driving shaft;
the peripheral surface of the driving shaft is provided with a diversion hole corresponding to the sealed cavity;
the shunting hole is communicated with the cooling liquid filling hole.
By adopting the technical scheme, before the motor is started, the cooling liquid can be added through the cooling liquid filling hole, the cooling liquid flows into the sealed cavity through the diversion hole after entering from the cooling liquid filling hole, and fully infiltrates the inside of the sealed cavity, and after the motor is started, the heat generated by the driving shaft due to friction can be absorbed by the cooling liquid, so that the internal temperature of the motor is kept stable.
Preferably, the high-efficiency sealed motor including the cooling liquid filling device further includes:
the limiting ring is arranged on one side, away from the shell, of the end cover, and the limiting ring is sleeved on the driving shaft;
a clamping protrusion is arranged in the limiting ring;
the position of the driving shaft corresponding to the clamping protrusion is provided with a clamping groove, and the clamping protrusion is clamped in the clamping groove.
Through adopting above-mentioned technical scheme, after inserting sealed cavity with the drive shaft, keep away from casing one side with the spacing ring installation with the end cover, correspond the joint with the protruding draw-in groove with the drive epaxial draw-in groove of card on the spacing ring, after installing the drive shaft, keep away from casing one side with the end cover and seal.
Preferably, the high-efficiency sealed motor including the cooling liquid filling device further includes:
and the lip-shaped sealing ring is arranged between the driving shaft and the end cover and is positioned in the sealing cavity.
Through adopting above-mentioned technical scheme, install lip type sealing washer in sealed cavity, lip type sealing washer can improve the interior leakproofness of sealed cavity, makes the difficult seepage that takes place of coolant liquid.
Preferably, the high-efficiency sealed motor including the cooling liquid filling device further includes:
a mechanical seal disposed between the drive shaft and the end cap within the sealed chamber.
Through adopting above-mentioned technical scheme, install mechanical seal in the sealed cavity of end cover, after filling the coolant liquid, mechanical seal can be isolated the inside working medium with outside with the motor, guarantees that the inside pollution by outside working medium of motor.
Preferably, the high-efficiency sealed motor including the cooling liquid filling device further includes:
the rolling bearings are arranged between the driving shaft and the end cover and are positioned at one end, far away from the limiting ring, of the sealing cavity;
and the bearing gaskets are arranged between the adjacent rolling bearings.
Through adopting above-mentioned technical scheme, locate the drive shaft with antifriction bearing and bearing shim cover on, the friction that forms between antifriction bearing and the drive shaft is little, and calorific capacity is low, makes the inside difficult high temperature environment that forms of motor.
Preferably, the high-efficiency sealed motor including the cooling liquid filling device further includes:
the filling hole plug is arranged in the cooling liquid filling hole;
and the filling hole sealing ring is arranged between the cooling liquid filling hole and the filling hole plug.
By adopting the technical scheme, when the cooling liquid is added to the cooling liquid filling hole, the filling hole plug is taken down firstly, and the filling hole plug abuts against the filling hole sealing ring after the cooling liquid is added, so that the leakage of the cooling liquid through the cooling liquid filling hole after the cooling liquid is filled can be prevented.
Preferably, the high-efficiency sealed motor including the cooling liquid filling device further includes:
the exhaust holes are formed in the peripheral surface of the end cover;
the vent hole is in communication with the sealed chamber.
Through adopting above-mentioned technical scheme, when adding the coolant liquid in to the motor, gas in the motor can be discharged to the external world through the exhaust hole, avoids appearing the coolant liquid and is difficult to add, or the coolant liquid adds insufficient problem.
Preferably, the high-efficiency sealed motor including the cooling liquid filling device further includes:
the exhaust hole plug is arranged in the exhaust hole;
and the exhaust hole sealing ring is arranged between the exhaust hole and the exhaust hole sealing ring plug.
By adopting the technical scheme, when the cooling liquid is added, the exhaust hole plug is taken down, gas in the motor is discharged from the exhaust hole in the cooling liquid filling process, the exhaust hole plug is abutted against the exhaust hole sealing ring after the cooling liquid is added, and external gas or other impurities can be prevented from entering the motor through the exhaust hole after the cooling liquid is filled.
Preferably, the high-efficiency sealed motor including the cooling liquid filling device further includes:
the lip-shaped sealing ring gasket is arranged in the sealing cavity;
a mechanical seal gasket disposed within the sealed chamber.
Through adopting above-mentioned technical scheme, install each gasket in relevant position, can reduce the friction of each inside part of motor, reduce wearing and tearing, extension work piece life.
In summary, the present application has at least one of the following effects:
1. before the motor is started, cooling liquid can be added through the cooling liquid filling hole, the cooling liquid flows into the sealed cavity through the diversion hole after entering from the cooling liquid filling hole and fully infiltrates the inside of the sealed cavity, and after the motor is started, heat generated by the driving shaft due to friction can be absorbed by the cooling liquid, so that the temperature inside the motor is kept stable.
2. And the working medium is prevented from entering the motor to pollute the inside of the motor.
Drawings
Fig. 1 is a front view of a high efficiency canned motor including a coolant filling apparatus according to an embodiment of the present invention.
Fig. 2 is a cross-sectional view of a salient sealed chamber of a high-efficiency sealed motor containing a coolant filling apparatus according to an embodiment of the present application.
Fig. 3 is an enlarged schematic view of a portion a of fig. 2.
Description of reference numerals: 1. a housing; 2. an end cap; 3. sealing the chamber; 4. a drive shaft; 5. a coolant filling hole; 6. a shunt hole; 7. a limiting ring; 8. a lip-shaped seal ring; 9. a lip-shaped gasket; 10. a mechanical seal; 11. a mechanical seal gasket; 12. a rolling bearing; 13. a bearing spacer; 14. a filling hole plug; 15. a filling hole sealing ring; 16. an exhaust hole; 17. an exhaust hole plug; 18. exhaust hole sealing ring.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a high-efficient sealed motor who contains coolant liquid filling device.
Referring to fig. 1 and 2, a high efficiency canned motor including a coolant filling apparatus is mainly composed of a case 1, an end cap 2 fixedly coupled to one end of the case 1, and a driving shaft 4 inserted into the case 1 through the end cap 2.
Referring to fig. 2, a driving shaft 4 is inserted into an end cover 2, a clamping groove is formed in one end, away from a shell 1, of the driving shaft 4, a limiting ring 7 is clamped on one side, away from the shell 1, of the end cover 2, a clamping protrusion integrally formed on the limiting ring 7 is arranged in the limiting ring 7, the clamping protrusion is clamped in the clamping groove, and one side, away from the shell 1, of the end cover 2 is sealed; the position that is close to end cover 2 in the casing 1 is provided with antifriction bearing 12, and antifriction bearing 12 totally three overlaps in proper order and locates on drive shaft 4, is provided with bearing gasket 13 between two adjacent antifriction bearing 12, overlaps and establishes antifriction bearing 12 and can reduce the friction that drive shaft 4 produced when rotatory, reduces the heat and produces.
Referring to fig. 2 and 3, a sealing chamber 3 is formed in an area between the end cover 2 and the driving shaft 4 corresponding to a position between the rolling bearing 12 and the limit ring 7, a lip-shaped sealing ring 8 is arranged on one side, close to the limit ring 7, inside the sealing chamber 3, the lip-shaped sealing ring 8 is sleeved on the driving shaft 4, lip-shaped sealing ring gaskets 9 are respectively arranged on two end face sides of the lip-shaped sealing ring 8, and the lip-shaped sealing ring 8 and the lip-shaped sealing ring gaskets 9 can completely seal the sealing chamber 3 close to the limit ring 7.
Referring to fig. 2 and 3, a mechanical sealing element 10 is arranged on one side of the inside of the sealing chamber 3, which is far away from the limiting ring 7, and the mechanical sealing element 10 is sleeved on the driving shaft 4 to seal the sealing chamber 3, so that an external working medium is difficult to enter the inside of the sealing chamber 3, and the inside of the sealing chamber 3 is difficult to be polluted; a mechanical seal gasket 11 is provided between the mechanical seal 10 and the rolling bearing 12, which reduces friction generated between the mechanical seal 10 and the rolling bearing 12 during operation of the drive shaft 4.
Referring to fig. 2 and 3, a cooling liquid filling hole 5 is formed in an end face of the end of the driving shaft 4, which extends out of the end cover 2, and the cooling liquid filling hole 5 is formed along the axial direction of the driving shaft 4; the circumferential surface of the driving shaft 4 is provided with a shunting hole 6 corresponding to the sealing chamber 3, the axis of the shunting hole 6 is vertical to the axis direction of the driving shaft 4, and the shunting hole 6 is communicated with the cooling liquid filling hole 5; when cooling liquid is added into the cooling liquid filling hole 5 and flows to the diversion hole 6, the cooling liquid flows into the sealed cavity 3 from the diversion hole 6 and soaks the whole sealed cavity 3; when the motor works, the driving shaft 4 rotates to rub the rolling bearing 12 to generate heat, and the cooling liquid can absorb the heat in time, so that the problems of overhigh temperature generated in the sealed cavity 3 and the motor are avoided.
Referring to fig. 2, the circumferential surface of the end cover 2 is provided with vent holes 16, the vent holes 16 are communicated with the sealed chamber 3, when cooling liquid is added into the motor, gas in the motor can be discharged out of the motor through the vent holes 16, so that the internal and external atmospheric pressures of the motor are kept consistent, and the cooling liquid can be poured into the motor quickly and uniformly.
Referring to fig. 2 and 3, a filling hole plug 14 is arranged inside the cooling liquid filling hole 5, the filling hole plug 14 is in threaded connection with the cooling liquid filling hole 5, and a filling hole sealing ring 15 is arranged between the filling hole plug 14 and the cooling liquid filling hole 5; an exhaust hole plug 17 is arranged in the exhaust hole 16, the exhaust hole plug 17 is in threaded connection with the exhaust hole 16, and an exhaust hole sealing ring 18 is arranged between the exhaust hole plug 17 and the exhaust hole 16; when the cooling liquid is added, the filling hole plug 14 and the exhaust hole plug 17 are respectively taken down, the cooling liquid is added into the cooling liquid filling hole 5, at the moment, gas in the motor is discharged from the exhaust hole 16, the filling hole plug 14 abuts against the filling hole sealing ring 15 and is installed in the cooling liquid filling hole 5 after the filling is finished, and then the exhaust hole plug 17 abuts against the exhaust hole sealing ring 18 and is installed in the exhaust hole 16, so that the cooling liquid is prevented from leaking from the cooling liquid filling hole 5 or the exhaust hole 16.
The implementation principle of the high-efficient sealed motor that contains coolant liquid filling device of the embodiment of this application is: firstly, the driving shaft 4 is inserted into the end cover 2, the clamping protrusion of the limiting ring 7 corresponds to the clamping groove of the driving shaft 4, the limiting ring 7 is installed on the end face of the end cover 2, and one side, far away from the shell 1, of the end cover 2 is sealed. Installing a lip-shaped sealing ring 8 and a lip-shaped sealing ring gasket 9, a mechanical sealing element 10 and a mechanical sealing element gasket 11, and a rolling bearing 12 and a bearing gasket 13 in the sealing chamber 3 from one end of the sealing chamber 3 far away from the end cover 2 in sequence, and fixedly connecting the end cover 2 to the shell 1; when the cooling liquid is added, the filling hole plug 14 and the exhaust hole plug 17 are respectively taken down, then the cooling liquid is added into the cooling liquid filling hole 5, the cooling liquid is fully filled in the whole sealed cavity 3 under the shunting action of the shunting hole 6, the inside of the whole efficient sealed motor is gradually infiltrated, the internal air is discharged through the exhaust hole 16 when the cooling liquid is added, the filling hole plug 14 is abutted against the filling hole sealing ring 15 after the addition is finished, the exhaust hole plug 17 is abutted against the exhaust hole sealing ring 18, the motor can normally work after being electrified, and the heat generated inside the motor can be timely absorbed by the cooling liquid due to the existence of the cooling liquid when the motor works, so that the internal temperature of the motor is reduced, and the service life of the motor is prolonged.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. A high efficiency canned motor containing a coolant filling device, comprising:
a housing (1);
the end cover (2) is arranged at the end part of the shell (1);
the drive shaft (4) penetrates through the end cover (2) and is inserted into the shell (1), and the end cover (2) is rotatably connected to the drive shaft (4);
a sealed chamber (3) disposed between the end cap (2) and the drive shaft (4);
the cooling liquid filling hole (5) is formed in one side, close to the end cover (2), of the driving shaft (4);
the circumferential surface of the driving shaft (4) is provided with a diversion hole (6) corresponding to the sealing chamber (3);
the branch flow hole (6) is communicated with the cooling liquid filling hole (5).
2. A high efficiency canned motor having a coolant filling apparatus as set forth in claim 1, further comprising:
the limiting ring (7) is arranged on one side, away from the shell (1), of the end cover (2), and the limiting ring (7) is sleeved on the driving shaft (4);
a clamping protrusion is arranged in the limiting ring (7);
the driving shaft (4) is provided with a clamping groove corresponding to the position of the clamping protrusion, and the clamping protrusion is clamped in the clamping groove.
3. A high efficiency canned motor having a coolant filling apparatus as set forth in claim 1, further comprising:
a lip seal (8) disposed between the drive shaft (4) and the end cap (2) within the sealed chamber (3).
4. A high efficiency canned motor having a coolant filling apparatus as set forth in claim 1, further comprising:
a mechanical seal (10) disposed between the drive shaft (4) and the end cap (2) within the seal chamber (3).
5. A high efficiency canned motor having a coolant filling apparatus as set forth in claim 2, further comprising:
the rolling bearings (12) are arranged between the driving shaft (4) and the end cover (2) and are positioned at one end, far away from the limiting ring (7), of the sealing cavity (3);
and a plurality of bearing spacers (13) provided between the adjacent rolling bearings (12).
6. A high efficiency canned motor having a coolant filling apparatus as set forth in claim 1, further comprising:
a filling hole plug (14) arranged in the cooling liquid filling hole (5);
and the filling hole sealing ring (15) is arranged between the cooling liquid filling hole (5) and the filling hole plug (14).
7. A high efficiency canned motor having a coolant filling apparatus as set forth in claim 1, further comprising:
the exhaust holes (16) are formed in the peripheral surface of the end cover (2);
the vent hole (16) is communicated with the sealing chamber (3).
8. The high efficiency canned motor having a coolant filling apparatus according to claim 7, further comprising:
the exhaust hole plug (17) is arranged in the exhaust hole (16);
and the exhaust hole sealing ring (18) is arranged between the exhaust hole (16) and the exhaust hole plug (17).
9. A high efficiency canned motor having a coolant filling apparatus as set forth in claim 1, further comprising:
a lip-shaped sealing ring gasket (9) arranged in the sealing chamber (3);
a mechanical seal gasket (11) disposed within the seal chamber (3).
CN202122353934.1U 2021-09-27 2021-09-27 Efficient sealed motor containing cooling liquid filling device Active CN215990429U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122353934.1U CN215990429U (en) 2021-09-27 2021-09-27 Efficient sealed motor containing cooling liquid filling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122353934.1U CN215990429U (en) 2021-09-27 2021-09-27 Efficient sealed motor containing cooling liquid filling device

Publications (1)

Publication Number Publication Date
CN215990429U true CN215990429U (en) 2022-03-08

Family

ID=80571250

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122353934.1U Active CN215990429U (en) 2021-09-27 2021-09-27 Efficient sealed motor containing cooling liquid filling device

Country Status (1)

Country Link
CN (1) CN215990429U (en)

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