CN218997819U - Dustproof stepping motor - Google Patents
Dustproof stepping motor Download PDFInfo
- Publication number
- CN218997819U CN218997819U CN202222302372.2U CN202222302372U CN218997819U CN 218997819 U CN218997819 U CN 218997819U CN 202222302372 U CN202222302372 U CN 202222302372U CN 218997819 U CN218997819 U CN 218997819U
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- dustproof
- oil
- end cover
- shaft hole
- communicated
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Abstract
The utility model discloses a dustproof stepping motor, which utilizes an oil supply box at the top of a casing to supply oil to a shaft hole of a dustproof component of a dustproof end cover to form a cavity filled with lubricating oil, the lubricating oil enters the shaft hole from an oil inlet pipe, and both ends of the lubricating oil are sealed by sealing rings.
Description
Technical Field
The utility model relates to the field of motors, in particular to a dustproof stepping motor.
Background
The stepping motor is an open-loop control motor for converting an electric pulse signal into angular displacement or linear displacement, is a main executive component in a modern digital program control system, and has extremely wide application. Because the mechanical machining precision of the stepping motor is high, the requirements on the environmental conditions of the use occasion are high. Along with the development of application science and technology, some industries with severe environmental conditions also need to use high-precision stepper motors, but the protection level of the existing stepper motors is not high, when the stepper motors are used in severe environments, dust often enters the inside of the stepper motors from the shaft outlet of the stepper motors, so that elements in the stepper motors are damaged, meanwhile, the dust also covers the outer surfaces of the stepper motors, the heat dissipation effect of the stepper motors is reduced, the temperature of the stepper motors is increased, the service life of the stepper motors is influenced, and even the stepper motors are burnt.
Disclosure of Invention
The utility model provides a dustproof stepping motor aiming at the problems of the prior motor, which structurally comprises: casing, locate stator, rotor, the electrically controlled device in it, its characterized in that: still include dustproof end cover, dustproof end cover includes: an upper end cover, a lower end cover and a dustproof assembly; the center of the dustproof assembly is provided with a shaft hole, a rolling groove is formed in the circumferential direction, and a sealing strip is arranged in the rolling groove; two sealing rings are arranged in the shaft hole; the upper part of the side surface of the dustproof component is provided with an oil inlet pipe, and the lower part of the side surface of the dustproof component is provided with an oil outlet pipe; the oil inlet pipe is communicated with the upper part of the middle section of the shaft hole, and the oil outlet pipe is communicated with the lower parts of the two ends of the shaft hole through two overflow pipes; the four corners of the upper end cover and the lower end cover after being spliced are provided with mounting holes, and the center part is provided with a round hole for mounting the dustproof assembly and a groove for leaving the oil inlet pipe and the oil outlet pipe; the lower part of the back of the lower end cover is provided with a through hole communicated with the lower end of the oil outlet pipe; the inner diameter of the shaft hole is larger than that of the sealing ring; the top of the front end of the machine shell is provided with an oil supply box, the lower end of the oil supply box is communicated with the upper end of the oil inlet pipe through a pipeline, the lower part of the front end of the machine shell is embedded and clamped with an oil collecting box, and the front end of the oil collecting box is provided with a hole communicated with the through hole.
Preferably, the sealing strip and the sealing ring are made of rubber.
Preferably, the dustproof component is cylindrical.
Preferably, the thickness of the sealing ring is 2-5mm.
Preferably, the overflow pipe is arranged at one side of the two sealing rings, which is close to the outer side.
Preferably, the oil supply box and the oil collection box are made of transparent plastics.
The oil seal structure can prevent external dust from entering, overflowed or oozed oil from flowing out from the lower part of the end cover to the oil collecting box through the oil outlet pipe so as to be convenient to replace and clean, has good dustproof effect and small friction force on the output shaft, and has certain advantages compared with the existing product.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is a front view of a dust cap.
Figure 3 is a longitudinal cross-sectional view of the dust assembly.
Fig. 4 is a front view of the dust assembly.
In the figure 1, a dustproof end cover; 2. a dust-proof assembly; 3. a housing; 11. an upper end cap; 12. a lower end cap; 13. a mounting hole; 21. a shaft hole; 22. rolling grooves; 23. a sealing strip; 24. an oil inlet pipe; 25. a seal ring; 26. an overflow pipe; 27. an oil outlet pipe; 31. an oil supply box; 32. and an oil collecting box.
Detailed Description
Examples
As shown in fig. 1 to 4, the dustproof stepper motor of the present utility model has a structure including: the casing 3, and locate stator, rotor, electrically controlled device in it still includes dustproof end cover 1, dustproof end cover 1 includes: an upper end cover 11, a lower end cover 12 and a dustproof assembly 2; the center of the dustproof assembly 2 is provided with a shaft hole 21, a rolling groove 22 is formed in the circumferential direction, and a sealing strip 23 is arranged in the rolling groove 22; two sealing rings 25 are arranged in the shaft hole 21; the upper part of the side surface of the dustproof assembly 2 is provided with an oil inlet pipe 24, and the lower part is provided with an oil outlet pipe 27; the oil inlet pipe 24 is communicated with the upper part of the middle section of the shaft hole 21, and the oil outlet pipe 27 is communicated with the lower parts of the two ends of the shaft hole 21 through two overflow pipes 26; the four corners of the upper end cover 11 and the lower end cover 12 after being spliced are provided with mounting holes 13, and the center part is provided with a round hole for mounting the dustproof assembly 2 and grooves for leaving the oil inlet pipe 24 and the oil outlet pipe 27; the lower part of the back of the lower end cover 12 is provided with a through hole communicated with the lower end of the oil outlet pipe 27; the inner diameter of the shaft hole 21 is larger than that of the sealing ring 25; the top of the front end of the casing 3 is provided with an oil supply box 31, the lower end of the oil supply box 31 is communicated with the upper end of the oil inlet pipe 24 through a pipeline, the lower part of the front end of the casing 3 is embedded and clamped with an oil collecting box 32, and the front end of the oil collecting box 32 is provided with a hole communicated with the through hole.
More specifically, the sealing strip 23 and the sealing ring 25 are made of rubber.
More specifically, the dust-proof component 2 is cylindrical.
More specifically, the thickness of the seal ring 25 is 2mm.
More specifically, the overflow pipe 26 is disposed at the outer side of the two sealing rings 25.
More specifically, the oil supply box 31 and the oil collection box 32 are made of transparent plastic.
Examples
As shown in fig. 1 to 4, the dustproof stepper motor of the present utility model has a structure including: the casing 3, and locate stator, rotor, electrically controlled device in it still includes dustproof end cover 1, dustproof end cover 1 includes: an upper end cover 11, a lower end cover 12 and a dustproof assembly 2; the center of the dustproof assembly 2 is provided with a shaft hole 21, a rolling groove 22 is formed in the circumferential direction, and a sealing strip 23 is arranged in the rolling groove 22; two sealing rings 25 are arranged in the shaft hole 21; the upper part of the side surface of the dustproof assembly 2 is provided with an oil inlet pipe 24, and the lower part is provided with an oil outlet pipe 27; the oil inlet pipe 24 is communicated with the upper part of the middle section of the shaft hole 21, and the oil outlet pipe 27 is communicated with the lower parts of the two ends of the shaft hole 21 through two overflow pipes 26; the four corners of the upper end cover 11 and the lower end cover 12 after being spliced are provided with mounting holes 13, and the center part is provided with a round hole for mounting the dustproof assembly 2 and grooves for leaving the oil inlet pipe 24 and the oil outlet pipe 27; the lower part of the back of the lower end cover 12 is provided with a through hole communicated with the lower end of the oil outlet pipe 27; the inner diameter of the shaft hole 21 is larger than that of the sealing ring 25; the top of the front end of the shell 3 is provided with an oil supply box 31, the lower end of the oil supply box 31 is communicated with the upper end of the oil inlet pipe 24 through a pipeline, the lower part of the front end of the shell 3 is embedded and clamped with an oil collecting box 32, and the front end of the oil collecting box 32 is provided with a hole communicated with the through hole; the upper and lower end caps 11, 12 have concave and convex edges and are provided with sealing strips to prevent dust from entering.
More specifically, the sealing strip 23 and the sealing ring 25 are made of rubber.
More specifically, the dust-proof component 2 is cylindrical.
More specifically, the thickness of the seal ring 25 is 5mm.
More specifically, the overflow pipe 26 is disposed at the outer side of the two sealing rings 25.
More specifically, the oil supply box 31 and the oil collection box 32 are made of transparent plastic, so that the oil quantity can be conveniently observed.
In addition, the shape and the hole system of the dustproof component are realized by a machining mode, and the other forming processing and mounting modes also adopt the conventional technical means.
The oil seal structure can prevent external dust from entering, overflowed or oozed oil from flowing out from the lower part of the end cover to the oil collecting box through the oil outlet pipe so as to be convenient to replace and clean, has good dustproof effect and small friction force on the output shaft, and has certain advantages compared with the existing product.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (6)
1. The utility model provides a dustproof step motor, includes casing, locates stator, rotor, the electrically controlled device in it, its characterized in that: still include dustproof end cover, dustproof end cover includes: an upper end cover, a lower end cover and a dustproof assembly; the center of the dustproof assembly is provided with a shaft hole, a rolling groove is formed in the circumferential direction, and a sealing strip is arranged in the rolling groove; two sealing rings are arranged in the shaft hole; the upper part of the side surface of the dustproof component is provided with an oil inlet pipe, and the lower part of the side surface of the dustproof component is provided with an oil outlet pipe; the oil inlet pipe is communicated with the upper part of the middle section of the shaft hole, and the oil outlet pipe is communicated with the lower parts of the two ends of the shaft hole through two overflow pipes; the four corners of the upper end cover and the lower end cover after being spliced are provided with mounting holes, and the center part is provided with a round hole for mounting the dustproof assembly and a groove for leaving the oil inlet pipe and the oil outlet pipe; the lower part of the back of the lower end cover is provided with a through hole communicated with the lower end of the oil outlet pipe; the inner diameter of the shaft hole is larger than that of the sealing ring; the top of the front end of the machine shell is provided with an oil supply box, the lower end of the oil supply box is communicated with the upper end of the oil inlet pipe through a pipeline, the lower part of the front end of the machine shell is embedded and clamped with an oil collecting box, and the front end of the oil collecting box is provided with a hole communicated with the through hole.
2. The dustproof stepper motor of claim 1, wherein: the sealing strips and the sealing rings are made of rubber.
3. The dustproof stepper motor of claim 2, wherein: the dustproof component is cylindrical.
4. A dustproof stepper motor as defined in claim 3, wherein: the thickness of the sealing ring is 2-5mm.
5. The dustproof stepper motor of claim 4, wherein: the overflow pipe is arranged on one side of the two sealing rings, which is close to the outer side.
6. The dustproof stepper motor of claim 5, wherein: the oil supply box and the oil collection box are made of transparent plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222302372.2U CN218997819U (en) | 2022-08-31 | 2022-08-31 | Dustproof stepping motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222302372.2U CN218997819U (en) | 2022-08-31 | 2022-08-31 | Dustproof stepping motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218997819U true CN218997819U (en) | 2023-05-09 |
Family
ID=86196712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222302372.2U Active CN218997819U (en) | 2022-08-31 | 2022-08-31 | Dustproof stepping motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218997819U (en) |
-
2022
- 2022-08-31 CN CN202222302372.2U patent/CN218997819U/en active Active
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