CN213064372U - Oil cooling device for motor bearing - Google Patents

Abstract

The utility model discloses an oil cooling device for motor bearing, including bearing inner race and bearing inner race, the cooperation is connected with the ball between bearing inner race and the bearing inner race, first oil-cooling oil storage chamber has been seted up to inside one side of bearing inner race, the inside of bearing inner race and the one side of keeping away from first oil-cooling oil storage chamber have been seted up second oil-cooling oil storage chamber, bearing inner race's inside just is located and has been seted up circular arc intercommunicating pore between first oil-cooling oil storage chamber and the second oil-cooling oil storage chamber, the spiral hole has been seted up to the inside of bearing inner race, bearing inner race's bottom and top just are located the position in second oil-cooling oil storage chamber and first oil-cooling oil storage chamber respectively and have seted up oil-out, oil inlet, the utility model. This oil cooling device for motor bearing has reached quick refrigerated effect, can carry out forced air cooling and oil cooling simultaneously, and cooling efficiency is high, avoids appearing the condition that high temperature burns out, has prolonged life, has improved and performance.

Description

Oil cooling device for motor bearing

Technical Field

The utility model relates to a bearing cooling technology field specifically is an oil cooling device for motor bearing.

Background

The motor is also called an engine, which is a machine capable of converting other forms of energy into mechanical energy, and is originally produced in the uk, and is suitable for both power generation devices and whole machines including power devices, and the motor bearing, also called a motor bearing or a motor bearing, is a special bearing specially applied to an electric motor or a motor, and the motor uses a bearing as a part for supporting a shaft, which can guide the rotation of the shaft and can also bear idle parts on the shaft, and the bearings commonly used for the motor are of four types, namely a rolling bearing, a sliding bearing, a joint bearing and an oil bearing. At present, current motor bearing in the market is in the use of reality, because the high-speed rotation of axle for can take place violent friction and produce the heat between the spare part, the cooling effect is poor, and some do not have cooling function at all, lead to motor bearing high temperature, can burn when serious, let motor bearing's life shorten, reduced performance.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an oil cooling device for motor bearing has solved the cooling effect poor, and some do not have cooling function at all, lead to motor bearing high temperature, can burn when serious, let motor bearing's life shorten, reduced the problem of performance.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an oil cooling device for motor bearing, includes bearing inner race and bearing inner race, the bearing inner race is located the inside of bearing inner race, the cooperation is connected with the ball between bearing inner race and the bearing inner race, the surface of ball just is located the cooperation between bearing inner race and the bearing inner race and is connected with the holder, first oil-cooling oil storage chamber has been seted up to inside one side of bearing inner race, the inside of bearing inner race and the one side of keeping away from first oil-cooling oil storage chamber have seted up second oil-cooling oil storage chamber, the inside of bearing inner race just is located and has seted up circular arc intercommunicating pore between first oil-cooling oil storage chamber and the second oil-cooling oil storage chamber, the spiral hole has been seted up to the inside of bearing inner race, oil-out, oil inlet have been seted up respectively to the bottom and the top of bearing inner race and the position that.

Preferably, the inner wall of the oil outlet, the inner wall of the oil inlet and the position of the outer circle close to the bearing outer ring are provided with connecting inner threads, the inner wall of the oil outlet and the inner wall of the oil inlet are provided with sealing inclined planes close to the connecting inner threads, the surface of each sealing inclined plane is fixedly connected with a conical sealing ring, and the conical sealing ring is made of rubber.

Preferably, a rectangular notch is formed in one side of the surface of the bearing inner ring and at the port of the spiral hole, and a motor shaft is arranged inside the bearing inner ring.

Preferably, rolling grooves matched with the balls are formed in the positions, corresponding to the surfaces of the bearing outer ring and the bearing inner ring, of the inner wall of the bearing outer ring.

Preferably, the circular arc intercommunicating pores are uniformly distributed in the bearing outer ring, and the first oil-cooled oil storage cavity and the second oil-cooled oil storage cavity are communicated through the circular arc intercommunicating pores.

(III) advantageous effects

The utility model provides an oil cooling device for motor bearing. The method has the following beneficial effects:

(1) the oil cooling device for the motor bearing is positioned in the bearing outer ring through the bearing inner ring, the balls are connected between the bearing outer ring and the bearing inner ring in a matching way, the surface of each ball is positioned between the bearing outer ring and the bearing inner ring in a matching way and is connected with the retainer, one side of the inside of the bearing outer ring is provided with the first oil-cooled oil storage cavity, one side of the inside of the bearing outer ring, which is far away from the first oil-cooled oil storage cavity, is provided with the second oil-cooled oil storage cavity, the inside of the bearing outer ring is provided with the circular arc communicating hole between the first oil-cooled oil storage cavity and the second oil-cooled oil storage cavity, the inside of the bearing inner ring is provided with the spiral hole, the bottom and the top of the bearing outer ring are respectively provided with the oil outlet and the oil inlet at the positions respectively positioned in the second oil-cooled oil storage cavity and the first oil, the cooling speed is fast, the effect is good, the cooling efficiency is high, the condition of high-temperature burnout is avoided, the service life is prolonged, and the service performance is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is an enlarged view of a portion B of FIG. 1;

fig. 4 is a cross-sectional view taken along line C-C of fig. 1.

In the figure: the bearing comprises a bearing outer ring 1, a bearing inner ring 2, a ball 3, a retainer 4, a first oil-cooled oil storage cavity 5, a second oil-cooled oil storage cavity 6, a circular arc communicating hole 7, a spiral hole 8, an oil outlet 9, an oil inlet 10, an internal thread 11, a sealing inclined plane 12, a conical sealing ring 13, a rectangular gap 14 and a motor shaft 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an oil cooling device for a motor bearing comprises a bearing outer ring 1 and a bearing inner ring 2, wherein the bearing inner ring 2 is positioned inside the bearing outer ring 1, a ball 3 is connected between the bearing outer ring 1 and the bearing inner ring 2 in a matching way, rolling grooves matched with the ball 3 are formed in the corresponding positions of the inner wall of the bearing outer ring 1 and the surface of the bearing inner ring 2, a retainer 4 is connected between the surface of the ball 3 and the bearing outer ring 1 and the bearing inner ring 2 in a matching way, a first oil-cooling oil storage cavity 5 is formed in one side inside the bearing outer ring 1, a second oil-cooling oil storage cavity 6 is formed in the inside of the bearing outer ring 1 and the side far away from the first oil-cooling oil storage cavity 5, the first oil-cooling oil storage cavity 5 and the second oil-cooling oil storage cavity 6 can store oil and carry out cooling circularly, an arc communication hole 7 is formed in the inside of the bearing outer ring 1 and positioned between the, the circular arc communicating holes 7 are uniformly distributed in the bearing outer ring 1, the first oil-cooled oil storage cavity 5 and the second oil-cooled oil storage cavity 6 are communicated through the circular arc communicating holes 7, the spiral hole 8 is formed in the bearing inner ring 2, the spiral hole 8 has a heat dissipation function, the heat dissipation area is increased, heat can be dissipated timely, the oil outlet 9 and the oil inlet 10 are formed in the bottom and the top of the bearing outer ring 1 and are respectively positioned in the second oil-cooled oil storage cavity 6 and the first oil-cooled oil storage cavity 5, the inner wall of the oil outlet 9, the inner wall of the oil inlet 10 and the outer circle position close to the bearing outer ring 1 are respectively provided with a connecting internal thread 11, the inner wall of the oil outlet 9 and the inner wall of the oil inlet 10 are provided with a sealing inclined plane 12 close to the connecting internal thread 11, the contact area of the sealing inclined plane 12 can be increased, a conical sealing ring, the material of taper seal ring 13 sets up to rubber material, and sealing performance is good and with low costs, and bearing inner race 2's surperficial one side just is located 8 port positions in spiral hole and has seted up rectangle breach 14, and rectangle breach 14 increase air intake area makes things convenient for the air inlet, and bearing inner race 2's inside is provided with motor shaft 15.

When the device is used, firstly, when the motor shaft 15 rotates at a high speed, the motor shaft 15 drives the bearing inner ring 2 to rotate at a high speed, so that the balls 3 roll at a rolling groove at a high speed, when the whole device generates heat due to high-speed friction, the rectangular notch 14 on one side of the surface of the bearing inner ring 2 can increase the area of an air inlet so as to facilitate the entry of outside air, the inside of the spiral hole 8 can impress spiral movement in the inside and is discharged from the port of the spiral hole 8 far away from the rectangular notch 14, heat can be taken out along with the discharge of the air at the moment, the heat dissipation effect is achieved, meanwhile, lubricating oil enters the cold oil storage cavity 5 from the oil inlet 10, and as the first oil cold oil storage cavity 5 and the second oil cold oil storage cavity 6 are communicated through the arc communication hole 7, the lubricating oil enters the second oil cold oil storage cavity 6 at the same time, both the first oil cold oil storage cavity 5 and the second oil storage cavity, lubricating oil flows from oil-out 9 this moment, so form the circulation and cool off, adds the heat and can take away, so just formed forced air cooling and oil-cold and combined together, the cooling rate is fast effectual, and cooling efficiency is high, avoids appearing the condition that the high temperature burns out, has prolonged life, has improved and performance.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides an oil cooling device for motor bearing, includes bearing inner race (2), its characterized in that: bearing inner race (2) are located the inside of bearing inner race (1), the cooperation is connected with ball (3) between bearing inner race (1) and bearing inner race (2), the surface of ball (3) just is located and cooperates between bearing inner race (1) and bearing inner race (2) and is connected with holder (4), first oil cold oil storage chamber (5) have been seted up to inside one side of bearing inner race (1), the inside of bearing inner race (1) just keeps away from one side in first oil cold oil storage chamber (5) and has seted up second oil cold oil storage chamber (6), the inside of bearing inner race (1) just is located and has seted up circular arc intercommunicating pore (7) between first oil cold oil storage chamber (5) and second oil cold oil storage chamber (6), spiral hole (8) have been seted up to the inside of bearing inner race (2), the position that the bottom and the top of bearing inner race (1) just are located second oil cold oil storage chamber (6) and first oil cold oil storage chamber (5) respectively has seted up out oil respectively A port (9) and an oil inlet (10).

2. The oil cooling device for a motor bearing according to claim 1, wherein: the oil-saving bearing is characterized in that a connection internal thread (11) is arranged on the inner wall of the oil outlet (9), the inner wall of the oil inlet (10) and the position, close to the bearing outer ring (1), of the outer circle, a sealing inclined plane (12) is arranged on the inner wall of the oil outlet (9), the inner wall of the oil inlet (10) and the position, close to the connection internal thread (11), of the inner wall of the oil inlet (10), a conical sealing ring (13) is fixedly connected to the surface of the sealing inclined plane (12), and the conical sealing ring.

3. The oil cooling device for a motor bearing according to claim 1, wherein: a rectangular notch (14) is formed in one side of the surface of the bearing inner ring (2) and located at the port of the spiral hole (8), and a motor shaft (15) is arranged inside the bearing inner ring (2).

4. The oil cooling device for a motor bearing according to claim 1, wherein: the inner wall of the bearing outer ring (1) and the surface of the bearing inner ring (2) are provided with rolling grooves matched with the balls (3).

5. The oil cooling device for a motor bearing according to claim 1, wherein: circular arc intercommunicating pore (7) evenly distributed is in the inside of bearing inner race (1), first oil-cooling oil storage chamber (5) and second oil-cooling oil storage chamber (6) are communicated through circular arc intercommunicating pore (7).

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