CN216199933U - Connecting structure of motor rotating shaft - Google Patents
Connecting structure of motor rotating shaft Download PDFInfo
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- CN216199933U CN216199933U CN202122741227.XU CN202122741227U CN216199933U CN 216199933 U CN216199933 U CN 216199933U CN 202122741227 U CN202122741227 U CN 202122741227U CN 216199933 U CN216199933 U CN 216199933U
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- rotating shaft
- shaft
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- motor rotating
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Abstract
The utility model discloses a connecting structure of a motor rotating shaft, which has the technical scheme that: the bearing seat is fixedly arranged in the mounting groove; one end of the motor rotating shaft is fixedly arranged on the inner ring of the bearing seat, and one side of the motor rotating shaft is provided with a screw rod shaft; the connecting assembly is arranged inside the motor rotating shaft and used for connecting the screw shaft, the connecting assembly comprises a fixing column, the fixing column is fixedly installed at one end of the screw shaft, a locking nut is fixedly installed on one side inside the motor rotating shaft, one end of the fixing column is in threaded connection with the inside of the locking nut, the fixing column is driven to move by rotating the screw shaft, the fixing column is in threaded connection with the inside of the locking nut, fastening of the screw shaft is guaranteed by tightening the tensile force of threads, and meanwhile the concentricity of the motor rotating shaft and the screw shaft is guaranteed.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to a connecting structure of a motor rotating shaft.
Background
In the present day with higher and higher industrial automation degree, the motor as a power device is increasingly used, and the connection problem between the motor and other components is also more concerned by engineers.
For example, chinese patent publication No. CN2213869Y proposes a floating power plant, in which the assembly is a steel cylinder with one end fed with water and the other end fed with water, a blade assembly is installed in the cylinder, one end of the blade assembly has an output shaft, one end of the output shaft has a bevel gear engaged with the bevel gear on the output vertical shaft, the output vertical shaft is connected with the input shaft of a speed reducer, the speed is increased by the speed reducer, the output shaft of the speed reducer is connected with a generator, but in this scheme, the output shaft is directly connected with the rotating shaft of the generator through the output shaft, the coaxiality of the output shaft and the rotating shaft after connection is poor, the connection structure is poor in stability, the rotating shaft of the generator is prone to deflection, and for example, chinese patent publication No. CN205677968U proposes a connection structure of the rotating shaft of a motor rotor and a belt pulley, the assembly is provided with a connecting shaft through the end of the rotating shaft, a straight-line structure is provided on the connecting shaft, the interference fit between the straight-line structure and the belt pulley improves the connection performance of the rotating shaft and the belt pulley and effectively reduces the occurrence of slipping; meanwhile, when the belt pulley is pressed, certain gap intervals are arranged between the belt pulley and the rotating shaft and between the belt pulley and the connecting shaft, so that the rotating shaft can be prevented from being stressed, and noise is reduced.
SUMMERY OF THE UTILITY MODEL
In view of the problems mentioned in the background art, an object of the present invention is to provide a connection structure of a motor rotation shaft to solve the problems mentioned in the background art.
The technical purpose of the utility model is realized by the following technical scheme:
a connecting structure of a rotating shaft of an electric motor, comprising: the bearing seat is fixedly arranged in the mounting groove; one end of the motor rotating shaft is fixedly arranged on the inner ring of the bearing seat, and one side of the motor rotating shaft is provided with a screw rod shaft; the connecting assembly is arranged inside the motor rotating shaft and used for being connected with the screw rod shaft, the connecting assembly comprises a fixing column, the fixing column is fixedly installed at one end of the screw rod shaft, a locking nut is fixedly installed on one side inside the motor rotating shaft, and one end of the fixing column is in threaded connection with the inside of the locking nut.
Through adopting above-mentioned technical scheme, through setting up the lead screw axle, the staff drives the fixed column through rotating the lead screw axle and removes through putting into the inside of motor shaft to the lead screw axle, and the screw thread has been seted up on the surface of fixed column, through fixed column threaded connection in lock nut's inside, guarantees the fastening of lead screw axle through the pulling force of screwing up the screw thread, guarantees the concentricity of motor shaft and lead screw axle simultaneously.
Preferably, a plurality of rotor cores are fixedly mounted on the outer circle wall surface of the motor rotating shaft, and magnetic steel is fixedly mounted on one side, close to each other, of each rotor core.
Through adopting above-mentioned technical scheme, through setting up the magnet steel, the staff is the shell circular telegram back, drives rotor core rotation through forming the magnetic field between electric current and the magnet steel to reach motor shaft pivoted effect.
Preferably, the magnetic separation sheet is fixedly installed on one side, close to each other, of the rotor core.
Through adopting above-mentioned technical scheme, through setting up the magnetism isolating sheet, after forming the magnetic field between magnet steel and the electric current, the magnet steel can produce the electric eddy current effect in the operation and the overheated condition appears, avoids the magnet steel electric eddy current effect to appear through the magnetism isolating sheet, promotes the security.
Preferably, a sealing ring is fixedly installed on one side inside the motor rotating shaft.
Through adopting above-mentioned technical scheme, through setting up the sealing ring, avoid the inside that external dust enters into motor shaft through the gap when the lead screw axle rotates through the sealing ring, increase the friction of lead screw axle and motor shaft, promote the life of lead screw axle.
Preferably, a rotating hole is formed in one side of the shell, a lubricating block is fixedly mounted inside the rotating hole, the screw shaft is movably sleeved inside the lubricating block, an injection hole is formed in one side of the lubricating block, and a plurality of lubricating holes are formed in the inner circular wall surface of the lubricating block.
Through adopting above-mentioned technical scheme, through setting up the lubrication piece, the staff can add emollient toward the inside of lubrication piece through the filling hole, and when the screw shaft rotated, emollient can flow in on the screw shaft through the lubrication hole to reach lubricated effect.
Preferably, the outer circle wall surface of the shell is provided with a plurality of heat dissipation holes.
Through adopting above-mentioned technical scheme, through setting up the louvre, make the inside that the external gas enters into the shell through the louvre form the convection current to reach radiating effect.
Preferably, the inner circle wall surface of the heat dissipation hole is fixedly provided with a dust screen.
Through adopting above-mentioned technical scheme, through setting up the dust screen, avoid when gaseous entering shell advances the heat dissipation, the dust influences the use of motor along with the inside that gaseous entering shell, promotes the practicality.
In summary, the utility model mainly has the following beneficial effects:
through setting up the lead screw axle, the staff drives the fixed column through rotating the lead screw axle and removes through the inside of putting into motor shaft the lead screw axle, and the screw thread is seted up on the surface of fixed column, through fixed column threaded connection in lock nut's inside, guarantees the fastening of lead screw axle through the pulling force of screwing up the screw thread, guarantees the concentricity of motor shaft and lead screw axle simultaneously.
Through setting up the lubricating block, the staff can add emollient toward the inside of lubricating block through the filling hole, and when the screw shaft rotated, emollient can flow into the screw shaft through the lubricating hole on to reach lubricated effect, through setting up the louvre, made the inside formation convection current that external gas enters into the shell through the louvre, thereby reached radiating effect.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic illustration of a disassembled structure of the housing of the present invention;
FIG. 3 is a schematic view of a motor shaft of the present invention;
FIG. 4 is a schematic view of the disassembled structure of the stick of the present invention.
Reference numerals: 1. a housing; 2. mounting grooves; 3. a motor shaft; 4. a screw shaft; 5. fixing a column; 6. locking the nut; 7. a rotor core; 8. magnetic steel; 9. a magnetic shield sheet; 10. a seal ring; 11. a lubricating block; 12. an injection hole; 13. a lubrication hole; 14. heat dissipation holes; 15. rotating the hole; 16. a dust screen; 17. and a bearing seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, 2 and 3, a connecting structure of a motor rotating shaft includes a housing 1, a mounting groove 2 is formed in one side of the inside of the housing 1, a bearing seat 17 is fixedly mounted inside the mounting groove 2, one end of the motor rotating shaft 3 is fixedly mounted on an inner ring of the bearing seat 17, the motor rotating shaft 3 is of a step shaft hollow shaft structure, a screw shaft 4 is arranged on one side of the motor rotating shaft 3, a connecting assembly is arranged inside the motor rotating shaft 3 and used for connecting the screw shaft 4, the connecting assembly includes a fixing column 5, the fixing column 5 is fixedly mounted at one end of the screw shaft 4, a locking nut 6 is fixedly mounted on one side of the inside of the motor rotating shaft 3, one end of the fixing column 5 is in threaded connection with the locking nut 6, and by arranging the screw shaft 4, a worker puts the screw shaft 4 into the inside of the motor rotating shaft 3 and drives the fixing column 5 to move by rotating the screw shaft 4, the surface of the fixed column 5 is provided with threads, the fixed column 5 is connected inside the lock nut 6 through threads, the fastening of the screw shaft 4 is ensured through the pulling force of the tightening threads, the concentricity of the motor rotating shaft 3 and the screw shaft 4 is ensured simultaneously, the outer circle wall surface of the motor rotating shaft 3 is fixedly provided with a plurality of rotor iron cores 7, one sides of the rotor iron cores 7 close to each other are fixedly provided with magnetic steel 8, through the arrangement of the magnetic steel 8, after a worker energizes the shell 1, a magnetic field is formed between current and the magnetic steel 8 to drive the rotor iron cores 7 to rotate, so that the motor rotating shaft 3 rotates, one sides of the rotor iron cores 7 close to each other are fixedly provided with magnetism isolating pieces 9, through the arrangement of the magnetism isolating pieces 9, after a magnetic field is formed between the magnetic steel 8 and the current, the magnetic steel 8 can generate an eddy current effect to generate an overheating condition in operation, and the eddy current effect is avoided by the magnetism isolating pieces 9, the safety is improved.
Referring to fig. 1, 2, 3 and 4, a sealing ring 10 is fixedly installed on one side inside a motor rotating shaft 3, by arranging the sealing ring 10, external dust is prevented from entering the motor rotating shaft 3 through a gap when a screw shaft 4 rotates through the sealing ring 10, friction between the screw shaft 4 and the motor rotating shaft 3 is increased, the service life of the screw shaft 4 is prolonged, a rotating hole 15 is formed in one side of a housing 1, a lubricating block 11 is fixedly installed inside the rotating hole 15, the screw shaft 4 is movably sleeved inside the lubricating block 11, an injection hole 12 is formed in one side of the lubricating block 11, a plurality of lubricating holes 13 are formed in the inner circular wall surface of the lubricating block 11, by arranging the lubricating block 11, a worker can add a lubricant into the lubricating block 11 through the injection hole 12, when the screw shaft 4 rotates, the lubricant can flow into the screw shaft 4 through the lubricating holes 13, so as to achieve a lubricating effect, a plurality of louvre 14 has been seted up to the excircle wall of shell 1, through setting up louvre 14, makes the inside that external gas enters into shell 1 through louvre 14 form the convection current to reach radiating effect, the interior round wall fixed mounting of louvre 14 has dust screen 16, through setting up dust screen 16, avoids when gaseous entering shell 1 advances the heat dissipation, and the dust influences the use of motor along with gaseous inside that enters into shell 1, promotes the practicality.
The working principle is as follows: referring to fig. 1, 2, 3 and 4, when in use, by arranging the screw shaft 4, a worker puts the screw shaft 4 into the motor rotating shaft 3, rotates the screw shaft 4 to drive the fixing column 5 to move, the surface of the fixing column 5 is provided with threads, the fixing column 5 is connected to the inside of the lock nut 6 through the threads, the screw shaft 4 is fastened through the pulling force of screwing the threads, the concentricity of the motor rotating shaft 3 and the screw shaft 4 is ensured, by arranging the lubricating block 11, the worker can add a lubricant into the lubricating block 11 through the injection hole 12, when the screw shaft 4 rotates, the lubricant flows into the screw shaft 4 through the lubricating hole 13 to achieve a lubricating effect, and by arranging the heat dissipation hole 14, external air enters the inside of the housing 1 through the heat dissipation hole 14 to form convection, so as to achieve a heat dissipation effect, through setting up sealing ring 10, avoid through sealing ring 10 that external dust enters into motor shaft 3's inside through the gap when screw shaft 4 rotates, increase screw shaft 4 and motor shaft 3's friction, promote screw shaft 4's life, through setting up magnetism isolating sheet 9, after forming the magnetic field between magnet steel 8 and the electric current, magnet steel 8 can produce the electric eddy current effect in the operation and the overheated condition appears, avoid magnet steel 8 to appear the electric eddy current effect through magnetism isolating sheet 9, promote the security.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A connecting structure of a motor rotating shaft is characterized by comprising:
the bearing seat comprises a shell (1), wherein a mounting groove (2) is formed in one side of the interior of the shell (1), and a bearing seat (17) is fixedly mounted in the mounting groove (2);
one end of the motor rotating shaft (3) is fixedly arranged on an inner ring of the bearing seat (17), and a screw shaft (4) is arranged on one side of the motor rotating shaft (3);
the connecting assembly is arranged inside the motor rotating shaft (3) and used for connecting the screw rod shaft (4), the connecting assembly comprises a fixing column (5), the fixing column (5) is fixedly installed at one end of the screw rod shaft (4), a locking nut (6) is fixedly installed on one side inside the motor rotating shaft (3), and one end of the fixing column (5) is in threaded connection inside the locking nut (6).
2. The connecting structure of the rotating shaft of the motor according to claim 1, wherein: the outer circle wall surface of the motor rotating shaft (3) is fixedly provided with a plurality of rotor cores (7), and one side of each rotor core (7) close to each other is fixedly provided with magnetic steel (8).
3. The connecting structure of the rotating shaft of the motor according to claim 2, wherein: and a magnetism isolating sheet (9) is fixedly arranged on one side of the rotor iron cores (7) close to each other.
4. The connecting structure of the rotating shaft of the motor according to claim 1, wherein: and a sealing ring (10) is fixedly arranged on one side in the motor rotating shaft (3).
5. The connecting structure of the rotating shaft of the motor according to claim 1, wherein: the screw rod type lubricating device is characterized in that a rotating hole (15) is formed in one side of the shell (1), a lubricating block (11) is fixedly mounted inside the rotating hole (15), the screw rod shaft (4) is movably sleeved inside the lubricating block (11), an injection hole (12) is formed in one side of the lubricating block (11), and a plurality of lubricating holes (13) are formed in the inner circle wall surface of the lubricating block (11).
6. The connecting structure of the rotating shaft of the motor according to claim 1, wherein: the outer circle wall surface of the shell (1) is provided with a plurality of heat dissipation holes (14).
7. The connecting structure of the rotating shaft of the motor according to claim 6, wherein: and the inner circle wall surface of the heat dissipation hole (14) is fixedly provided with a dust screen (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122741227.XU CN216199933U (en) | 2021-11-10 | 2021-11-10 | Connecting structure of motor rotating shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122741227.XU CN216199933U (en) | 2021-11-10 | 2021-11-10 | Connecting structure of motor rotating shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216199933U true CN216199933U (en) | 2022-04-05 |
Family
ID=80907996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122741227.XU Active CN216199933U (en) | 2021-11-10 | 2021-11-10 | Connecting structure of motor rotating shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216199933U (en) |
-
2021
- 2021-11-10 CN CN202122741227.XU patent/CN216199933U/en active Active
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