CN108458113B - High-rotation-speed oil seal for new energy automobile - Google Patents
High-rotation-speed oil seal for new energy automobile Download PDFInfo
- Publication number
- CN108458113B CN108458113B CN201810238137.9A CN201810238137A CN108458113B CN 108458113 B CN108458113 B CN 108458113B CN 201810238137 A CN201810238137 A CN 201810238137A CN 108458113 B CN108458113 B CN 108458113B
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- scraper ring
- oil scraper
- diode
- oil
- resistor
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- Expired - Fee Related
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0025—Measuring of vehicle parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/18—Measuring arrangements characterised by the use of mechanical techniques for measuring depth
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The invention discloses a high-rotation-speed oil seal for a new energy automobile, which comprises a mounting base, an oil seal cover, a dustproof check ring, a reinforcing support, a shaft protection device and a mounting position protection device, wherein a shaft is arranged in the oil seal cover, the reinforcing support is arranged in the oil seal cover, a second elastic clamp is arranged on the front side of the reinforcing support, the dustproof check ring is arranged on the front side of the second elastic clamp, a first elastic clamp is arranged on one side of the reinforcing support, a first elastic support frame is arranged in the reinforcing support, and a second elastic support frame is arranged on the front side of the first elastic support frame. Has the advantages that: the invention can realize axial and radial sealing of the shaft and has good sealing effect.
Description
Technical Field
The invention relates to the field of new energy automobiles, in particular to a high-rotation-speed oil seal for a new energy automobile.
Background
An automobile engine is a device with high rotating speed, lubricating oil is needed for lubrication during operation, but the sealing of the device is important during the lubrication. Compared with the Chinese patent with the application number of 201710349198.8, the patent discloses a high-rotation-speed oil seal for a new energy automobile, which comprises an oil seal framework, an oil seal lip and lubricating oil, wherein the oil seal lip is matched with a shaft and used for sealing the lubricating oil at the side of an oil cavity; the surface of the oil seal lip is provided with a plurality of oil return lines, and the oil return lines form a lip groove for storing lubricating oil on the oil seal lip. The above patent can only seal the axial direction of the high-speed rotating shaft, and once the shaft makes radial run-out, the sealing function cannot be realized. Therefore, a new device is designed, the invention can realize axial and radial multi-direction sealing of the shaft, and the sealing efficiency is high.
Disclosure of Invention
The invention aims to solve the problems and provide a high-rotation-speed oil seal for a new energy automobile.
The invention realizes the purpose through the following technical scheme:
a high-rotation-speed oil seal for a new energy automobile comprises a mounting base, an oil seal cover, a dustproof retainer ring, a reinforcing support, a shaft protection device and a mounting position protection device, wherein a shaft is arranged in the oil seal cover, the reinforcing support is arranged in the oil seal cover, a second elastic clamp is arranged on the front side of the reinforcing support, the dustproof retainer ring is arranged on the front side of the second elastic clamp, a first elastic clamp is arranged on one side of the reinforcing support, a first elastic support frame is arranged in the reinforcing support, a second elastic support frame is arranged on the front side of the first elastic support frame, the shaft protection device comprises a first oil scraper ring, a second oil scraper ring, a third oil scraper ring, a first compression spring and a second compression spring, the first oil scraper ring is arranged on the outer side of the shaft, the second oil scraper ring is arranged on the front side of the first oil scraper ring, the third oil scraper ring is arranged on the front side of the second oil scraper, the second compression spring is arranged outside the third oil scraper ring, the first compression spring is arranged outside the first oil scraper ring, the mounting position protection device comprises a first outer oil scraper ring, a second outer oil scraper ring, a third outer oil scraper ring, a first outer compression spring and a second outer compression spring, the first outer oil scraper ring is arranged outside the oil jacket, the second outer oil scraper ring is arranged on the front side of the first outer oil scraper ring, the third outer oil scraper ring is arranged on the front side of the second outer oil scraper ring, the second outer compression spring is arranged inside the third outer oil scraper ring, and the first outer compression spring is arranged inside the first outer oil scraper ring; a first position sensor is mounted on the first elastic clamp, the output end of the first position sensor is connected with the input end of a first controller, a second position sensor is mounted on the second elastic clamp, the output end of the second position sensor is connected with the input end of a second controller, the first controller comprises a chip IC with the model number of AT89S51, and a first pin of the chip IC is respectively connected with one end of a photoresistor R1, the negative electrode of a diode D1, a second pin of the chip IC, the positive electrode of a diode D3, the positive electrode of the diode D5 and the collector of a triode D6; the other end of the photosensitive resistor R1 is connected with one end of a resistor R2, the other end of the resistor R2 is respectively connected with one end of a capacitor C1, one end of a resistor R3, a sixth pin of the chip IC, one end of a capacitor C2, one end of a resistor R5, one end of a capacitor C3, one end of a capacitor C4, the anode of a voltage stabilizing diode D7, one end of a capacitor C5, the anode of a diode D9, one end of a resistor R7 and a signal output end V2; the other end of the capacitor C1 is connected with an emitter of the triode D2, the base of the triode D2 is connected with the anode of the diode D1, the collector of the triode D2 is connected with the eighth pin of the chip IC, the other end of the resistor R3 is connected with the seventh pin of the chip IC, the other end of the capacitor C2 is connected with the fifth pin of the chip IC, the cathode of the diode D3 is connected with the third pin of the chip IC and one end of the resistor R4 respectively, the other end of the resistor R4 is connected with an emitter of the triode D4, the collector of the triode D4 is connected with the fourth pin of the chip IC and the other end of the resistor R5 respectively, the base of the triode D4 is connected with one end of the resistor R6, and the other end of the resistor R6 is connected with one end of the capacitor C; the other end of the capacitor C6 is connected to the anode of the diode D8, the cathode of the diode D9 and the other end of the resistor R7, the cathode of the diode D8 is connected to the emitter of the triode D6, one end of the resistor R7 and the other end of the capacitor C5, the other end of the resistor R7 is connected to the cathode of the zener diode D7, and the base of the triode D6 is connected to the cathode of the diode D5, the other end of the capacitor C3 and the other end of the capacitor C4.
In the present invention, the first position sensor and the second position sensor are the same device, and both have the same circuit structure, so only the structure of the first position sensor will be described in detail herein. Similarly, in the invention, the first elastic support frame and the second elastic support frame also adopt the same structure, thereby achieving the same support effect. It should be further noted that, in the present invention, since the first position sensor and the second position sensor are implemented by using existing electronic sensing devices, and after the installation positions are indicated, it is clear for those skilled in the art how to install them, and accordingly, the manner of installing the first controller and the second controller is clear and implemented by those skilled in the art, so that in the drawings of the specification, the serial numbers of the position sensors and the controllers are not explicitly labeled, but are clearly known by those skilled in the art in conjunction with the description of the specification.
In the above configuration, the first outer oil scraper ring, the second outer oil scraper ring, and the third outer oil scraper ring seal between the oil seal and the mounting base, and the first oil scraper ring, the second oil scraper ring, and the third oil scraper ring seal between the oil seal and the shaft, and when axial runout occurs, the first oil scraper ring, the second oil scraper ring, the third oil scraper ring, the first outer oil scraper ring, the second outer oil scraper ring, and the third outer oil scraper ring achieve axial sealing.
In order to further realize the sealing function when the shaft jumps in the radial direction and the axial direction, the oil jacket is connected with the first outer oil scraper ring, the second outer oil scraper ring and the third outer oil scraper ring through clamping grooves.
In order to further realize the sealing function when the shaft jumps in the radial direction and the axial direction, the oil jacket is connected with the first oil scraper ring, the second oil scraper ring and the third oil scraper ring through clamping grooves.
In order to further realize the sealing effect when the shaft jumps in the radial direction and the axial direction, the oil seal sleeve is connected with the first compression spring, the second compression spring, the first outer compression spring and the second outer compression spring through clamping grooves.
In order to further realize the sealing effect of the shaft in radial and axial jumping, the reinforcing support is connected with the first elastic support frame and the second elastic support frame through clamping grooves.
In order to further realize the sealing function of the shaft during radial and axial runout, the oil seal sleeve is connected with the first elastic clamp and the second elastic clamp through clamping grooves.
In order to further realize the sealing effect of the shaft in radial and axial runout, the dustproof retainer ring is connected with the oil seal sleeve through a clamping groove.
In the invention, the model of the triode D2 is 2N1711, the model of the triode D4 is 2N2857, and the model of the triode D6 is 2N 4393; the model of the voltage stabilizing diode D7 is 1N 4733; the model of the diode D1 is 1N4933, the model of the diode D3 is 1N5401, the model of the diode D5 is RL151, the model of the diode D8 is RL203, and the model of the diode D9 is RL 207.
Has the advantages that: the invention can realize axial and radial sealing of the shaft and has good sealing effect. And the mounting depth of the oil seal is determined and displayed by utilizing the support ring which is in sliding connection with the outside of the support cylinder and the scale marks on the support cylinder, so that the situation that the oil seal is not mounted in place due to the fact that the oil seal is difficult to check during mounting is avoided, and the convenience of positioning during mounting of the oil seal is improved. Meanwhile, a special controller structure is adopted to realize independent control, and the control precision of the equipment is improved.
Drawings
Fig. 1 is a schematic structural diagram of a front view of a high-speed oil seal for a new energy automobile.
Fig. 2 is a schematic diagram of axial runout of the high-speed oil seal for the new energy automobile.
Fig. 3 is a schematic side view of the high-speed oil seal for the new energy automobile according to the invention.
Fig. 4 is a circuit schematic of the first controller of the present invention.
The reference numerals are explained below:
1. a shaft; 2. mounting a base; 3. an oil seal cover; 4. a first elastic support frame; 5. a second elastic support frame; 6. a dust-proof retainer ring; 7. reinforcing the bracket; 8. a first elastic clamp; 9. a second elastic clamp; 10. a shaft protection device; 11. a first oil scraper ring; 12. a second oil scraper ring; 13. a third oil scraper ring; 14. a first hold-down spring; 15. a second hold-down spring; 16. installing a position protection device; 17. a first outer oil scraper ring; 18. a second outer oil scraper ring; 19. a third outer oil scraper ring; 20. a first outer compression spring; 21. and a second outer compression spring.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1-4, a high-speed oil seal for a new energy vehicle comprises a mounting base 2, an oil seal cover 3, a dust-proof check ring 6, a reinforcing support 7, a shaft protection device 10 and a mounting position protection device 16, wherein a shaft 1 is arranged inside the oil seal cover 3, the reinforcing support 7 is used for reinforcing the oil seal, a second elastic clamp 9 is arranged on the front side of the reinforcing support 7, the dust-proof check ring 6 is arranged on the front side of the second elastic clamp 9, a first elastic clamp 8 is arranged on one side of the reinforcing support 7, the first elastic clamp 8 and the second elastic clamp 9 are used for fixing the reinforcing support 7 and the oil seal cover 3, a first elastic support frame 4 is arranged inside the reinforcing support 7, a second elastic support frame 5 is arranged on the front side of the first elastic support frame 4, the shaft protection device 10 comprises a first oil scraper ring 11, a second, A third oil scraper ring 13, a first compression spring 14, a second compression spring 15, a first oil scraper ring 11 arranged outside the shaft 1, a first compression spring 14, a second compression spring 15, a first outer compression spring 20, a second outer compression spring 21 for fixing the first outer oil scraper ring 17, the second outer oil scraper ring 18, a third outer oil scraper ring 19, the first oil scraper ring 11, the second oil scraper ring 12, and the third oil scraper ring 13, a second oil scraper ring 12 arranged in front of the first oil scraper ring 11, a third oil scraper ring 13 arranged in front of the second oil scraper ring 12, a second compression spring 15 arranged outside the third oil scraper ring 13, a first compression spring 14 arranged outside the first oil scraper ring 11, a mounting position protection device 16 comprising a first outer oil scraper ring 17, a second outer oil scraper ring 18, a third outer oil scraper ring 19, a first outer compression spring 20, a second outer compression spring 21, a first outer oil scraper ring 17 arranged outside the oil envelope 3, a second outer oil scraper ring 18 is arranged on the front side of the first outer oil scraper ring 17, a third outer oil scraper ring 19 is arranged on the front side of the second outer oil scraper ring 18, a second outer compression spring 21 is arranged inside the third outer oil scraper ring 19, and a first outer compression spring 20 is arranged inside the first outer oil scraper ring 17.
In the above configuration, the first outer oil scraper ring 17, the second outer oil scraper ring 18, and the third outer oil scraper ring 19 seal between the oil seal and the mounting base 2, the first oil scraper ring 11, the second oil scraper ring 12, and the third oil scraper ring 13 seal between the oil seal and the shaft 1, and when axial runout occurs, the first oil scraper ring 11, the second oil scraper ring 12, the third oil scraper ring 13, the first outer oil scraper ring 17, the second outer oil scraper ring 18, and the third outer oil scraper ring 19 achieve axial sealing.
In the present invention, referring to fig. 4, the first controller includes a chip IC of AT89S51, a first pin of the chip IC is connected to one end of the photo resistor R1, a cathode of the diode D1, a second pin of the chip IC, an anode of the diode D3, an anode of the diode D5, and a collector of the triode D6, respectively; the other end of the photosensitive resistor R1 is connected with one end of a resistor R2, the other end of the resistor R2 is respectively connected with one end of a capacitor C1, one end of a resistor R3, a sixth pin of the chip IC, one end of a capacitor C2, one end of a resistor R5, one end of a capacitor C3, one end of a capacitor C4, the anode of a voltage stabilizing diode D7, one end of a capacitor C5, the anode of a diode D9, one end of a resistor R7 and a signal output end V2; the other end of the capacitor C1 is connected with an emitter of the triode D2, the base of the triode D2 is connected with the anode of the diode D1, the collector of the triode D2 is connected with the eighth pin of the chip IC, the other end of the resistor R3 is connected with the seventh pin of the chip IC, the other end of the capacitor C2 is connected with the fifth pin of the chip IC, the cathode of the diode D3 is connected with the third pin of the chip IC and one end of the resistor R4 respectively, the other end of the resistor R4 is connected with an emitter of the triode D4, the collector of the triode D4 is connected with the fourth pin of the chip IC and the other end of the resistor R5 respectively, the base of the triode D4 is connected with one end of the resistor R6, and the other end of the resistor R6 is connected with one end of the capacitor C; the other end of the capacitor C6 is connected to the anode of the diode D8, the cathode of the diode D9 and the other end of the resistor R7, the cathode of the diode D8 is connected to the emitter of the triode D6, one end of the resistor R7 and the other end of the capacitor C5, the other end of the resistor R7 is connected to the cathode of the zener diode D7, and the base of the triode D6 is connected to the cathode of the diode D5, the other end of the capacitor C3 and the other end of the capacitor C4. The model of the triode D2 is 2N1711, the model of the triode D4 is 2N2857, and the model of the triode D6 is 2N 4393. The model of the voltage stabilizing diode D7 is 1N 4733. The model of the diode D1 is 1N4933, the model of the diode D3 is 1N5401, the model of the diode D5 is RL151, the model of the diode D8 is RL203, and the model of the diode D9 is RL 207.
In order to further realize the sealing effect when the shaft is in radial and axial runout, the oil jacket sleeve 3 is connected with a first outer oil scraper ring 17, a second outer oil scraper ring 18 and a third outer oil scraper ring 19 through clamping grooves, the oil jacket sleeve 3 is connected with a first oil scraper ring 11, a second oil scraper ring 12 and a third oil scraper ring 13 through clamping grooves, the oil jacket sleeve 3 is connected with a first compression spring 14, a second compression spring 15, a first outer compression spring 20 and a second outer compression spring 21 through clamping grooves, the reinforcing support 7 is connected with a first elastic support frame 4 and a second elastic support frame 5 through clamping grooves, the oil jacket sleeve 3 is connected with a first elastic clamp 8 and a second elastic clamp 9 through clamping grooves, and the dustproof retainer ring 6 is connected with the oil jacket sleeve 3 through clamping grooves.
It should be noted that the above-mentioned embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and although the applicant has described the invention in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions made on the technical solutions of the present invention can not be made within the spirit and scope of the technical solutions of the present invention and shall be covered by the claims of the present invention.
Claims (7)
1. The utility model provides a high rotational speed oil blanket for new energy automobile which characterized in that: the novel oil seal structure is characterized by comprising a mounting base (2), an oil seal sleeve (3), a dustproof check ring (6), a reinforcing support (7), a shaft protection device (10) and a mounting position protection device (16), wherein a shaft (1) is arranged inside the oil seal sleeve (3), the reinforcing support (7) is arranged inside the oil seal sleeve (3), a second elastic clamp (9) is arranged on the front side of the reinforcing support (7), the dustproof check ring (6) is arranged on the front side of the second elastic clamp (9), a first elastic clamp (8) is arranged on one side of the reinforcing support (7), a first elastic support frame (4) is arranged inside the reinforcing support (7), a second elastic support frame (5) is arranged on the front side of the first elastic support frame (4), and the shaft protection device (10) comprises a first oil scraper ring (11), a second oil scraper ring (12), a third oil scraper ring (13), A first compression spring (14) and a second compression spring (15), the first oil scraper ring (11) is arranged outside the shaft (1), the second oil scraper ring (12) is arranged on the front side of the first oil scraper ring (11), the third oil scraper ring (13) is arranged on the front side of the second oil scraper ring (12), the second compression spring (15) is arranged outside the third oil scraper ring (13), the first compression spring (14) is arranged outside the first oil scraper ring (11), the mounting position protection device (16) comprises a first outer oil scraper ring (17), a second outer oil scraper ring (18), a third outer oil scraper ring (19), a first outer compression spring (20) and a second outer compression spring (21), the first outer oil scraper ring (17) is arranged outside the oil jacket (3), and the second outer oil scraper ring (18) is arranged on the front side of the first outer oil scraper ring (17), the third outer oil scraper ring (19) is arranged on the front side of the second outer oil scraper ring (18), the second outer compression spring (21) is arranged inside the third outer oil scraper ring (19), and the first outer compression spring (20) is arranged inside the first outer oil scraper ring (17); a first position sensor is mounted on the first elastic clamp (8), the output end of the first position sensor is connected with the input end of a first controller, a second position sensor is mounted on the second elastic clamp (9), the output end of the second position sensor is connected with the input end of a second controller, the first controller comprises a chip IC with the model number of AT89S51, and a first pin of the chip IC is respectively connected with one end of a photoresistor R1, the negative electrode of a diode D1, a second pin of the chip IC, the positive electrode of a diode D3, the positive electrode of the diode D5 and the collector of a triode D6; the other end of the photosensitive resistor R1 is connected with one end of a resistor R2, the other end of the resistor R2 is respectively connected with one end of a capacitor C1, one end of a resistor R3, a sixth pin of the chip IC, one end of a capacitor C2, one end of a resistor R5, one end of a capacitor C3, one end of a capacitor C4, the anode of a voltage stabilizing diode D7, one end of a capacitor C5, the anode of a diode D9, one end of a resistor R7 and a signal output end V2; the other end of the capacitor C1 is connected with an emitter of the triode D2, the base of the triode D2 is connected with the anode of the diode D1, the collector of the triode D2 is connected with the eighth pin of the chip IC, the other end of the resistor R3 is connected with the seventh pin of the chip IC, the other end of the capacitor C2 is connected with the fifth pin of the chip IC, the cathode of the diode D3 is connected with the third pin of the chip IC and one end of the resistor R4 respectively, the other end of the resistor R4 is connected with an emitter of the triode D4, the collector of the triode D4 is connected with the fourth pin of the chip IC and the other end of the resistor R5 respectively, the base of the triode D4 is connected with one end of the resistor R6, and the other end of the resistor R6 is connected with one end of the capacitor C; the other end of the capacitor C6 is connected to the anode of the diode D8, the cathode of the diode D9 and the other end of the resistor R7, the cathode of the diode D8 is connected to the emitter of the triode D6, one end of the resistor R7 and the other end of the capacitor C5, the other end of the resistor R7 is connected to the cathode of the zener diode D7, and the base of the triode D6 is connected to the cathode of the diode D5, the other end of the capacitor C3 and the other end of the capacitor C4.
2. The high-speed oil seal for the new energy automobile as claimed in claim 1, wherein: the oil jacket (3) is connected with the first outer oil scraper ring (17), the second outer oil scraper ring (18) and the third outer oil scraper ring (19) through clamping grooves; the oil jacket (3) is connected with the first oil scraper ring (11), the second oil scraper ring (12) and the third oil scraper ring (13) through clamping grooves.
3. The high-speed oil seal for the new energy automobile as claimed in claim 2, wherein: the oil seal sleeve (3) is connected with the first pressing spring (14), the second pressing spring (15), the first outer pressing spring (20) and the second outer pressing spring (21) through clamping grooves.
4. The high-speed oil seal for the new energy automobile as claimed in claim 3, wherein: the reinforcing support (7) is connected with the first elastic support frame (4) and the second elastic support frame (5) through clamping grooves.
5. The high-speed oil seal for the new energy automobile as claimed in claim 4, wherein: the oil seal cover (3) is connected with the first elastic clamp (8) and the second elastic clamp (9) through clamping grooves.
6. The high-speed oil seal for the new energy automobile as claimed in claim 5, wherein: the dustproof check ring (6) is connected with the oil seal sleeve (3) through a clamping groove.
7. The high-speed oil seal for the new energy automobile as claimed in claim 6, wherein: the model of the triode D2 is 2N1711, the model of the triode D4 is 2N2857, and the model of the triode D6 is 2N 4393; the model of the voltage stabilizing diode D7 is 1N 4733; the model of the diode D1 is 1N4933, the model of the diode D3 is 1N5401, the model of the diode D5 is RL151, the model of the diode D8 is RL203, and the model of the diode D9 is RL 207.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810238137.9A CN108458113B (en) | 2018-03-22 | 2018-03-22 | High-rotation-speed oil seal for new energy automobile |
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CN201810238137.9A CN108458113B (en) | 2018-03-22 | 2018-03-22 | High-rotation-speed oil seal for new energy automobile |
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CN108458113A CN108458113A (en) | 2018-08-28 |
CN108458113B true CN108458113B (en) | 2020-09-04 |
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CN201810238137.9A Expired - Fee Related CN108458113B (en) | 2018-03-22 | 2018-03-22 | High-rotation-speed oil seal for new energy automobile |
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CN110595318B (en) * | 2019-09-30 | 2024-05-17 | 江苏龙城精锻集团有限公司 | Special gauge for rapidly measuring shape, position and size of stainless steel oil rail forging |
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JP2004060723A (en) * | 2002-07-26 | 2004-02-26 | Kayaba Ind Co Ltd | Seal structure for hydraulic cylinder |
CN2818936Y (en) * | 2005-08-29 | 2006-09-20 | 李有河 | Split mechanical oil seal |
CN2934788Y (en) * | 2006-08-03 | 2007-08-15 | 凌义德 | Combined type magnetic force oil seal |
CN202431971U (en) * | 2011-12-16 | 2012-09-12 | 青岛开世密封工业有限公司 | Combination type polytetrafluoroethylene (PTFE) gear ring oil seal |
CN202851980U (en) * | 2012-10-29 | 2013-04-03 | 张家港市亿利机械有限公司 | Main shaft sealing device of high-speed mixing machine |
CN204036379U (en) * | 2014-07-31 | 2014-12-24 | 重庆电子工程职业学院 | A kind of oil sealing fixing holder |
CN106863207A (en) * | 2017-03-29 | 2017-06-20 | 国网新疆电力公司巴州供电公司 | Oil sealing returns holding tool |
-
2018
- 2018-03-22 CN CN201810238137.9A patent/CN108458113B/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004060723A (en) * | 2002-07-26 | 2004-02-26 | Kayaba Ind Co Ltd | Seal structure for hydraulic cylinder |
CN2818936Y (en) * | 2005-08-29 | 2006-09-20 | 李有河 | Split mechanical oil seal |
CN2934788Y (en) * | 2006-08-03 | 2007-08-15 | 凌义德 | Combined type magnetic force oil seal |
CN202431971U (en) * | 2011-12-16 | 2012-09-12 | 青岛开世密封工业有限公司 | Combination type polytetrafluoroethylene (PTFE) gear ring oil seal |
CN202851980U (en) * | 2012-10-29 | 2013-04-03 | 张家港市亿利机械有限公司 | Main shaft sealing device of high-speed mixing machine |
CN204036379U (en) * | 2014-07-31 | 2014-12-24 | 重庆电子工程职业学院 | A kind of oil sealing fixing holder |
CN106863207A (en) * | 2017-03-29 | 2017-06-20 | 国网新疆电力公司巴州供电公司 | Oil sealing returns holding tool |
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