CN219954997U - Inner and outer rotor oil pump capable of absorbing shock and reducing noise - Google Patents

Inner and outer rotor oil pump capable of absorbing shock and reducing noise Download PDF

Info

Publication number
CN219954997U
CN219954997U CN202321119005.7U CN202321119005U CN219954997U CN 219954997 U CN219954997 U CN 219954997U CN 202321119005 U CN202321119005 U CN 202321119005U CN 219954997 U CN219954997 U CN 219954997U
Authority
CN
China
Prior art keywords
oil pump
rotor
outer rotor
shell
utility
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202321119005.7U
Other languages
Chinese (zh)
Inventor
李晓军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Maiteng Lubricating Oil Pump Manufacturing Co ltd
Original Assignee
Nanjing Maiteng Lubricating Oil Pump Manufacturing Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Maiteng Lubricating Oil Pump Manufacturing Co ltd filed Critical Nanjing Maiteng Lubricating Oil Pump Manufacturing Co ltd
Priority to CN202321119005.7U priority Critical patent/CN219954997U/en
Application granted granted Critical
Publication of CN219954997U publication Critical patent/CN219954997U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Rotary Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

The utility model discloses an inner and outer rotor oil pump capable of absorbing shock and reducing noise, which comprises an oil pump shell, an oil pump outer rotor and an oil pump cover, wherein the oil pump outer rotor is arranged in the oil pump shell, a driving shaft is arranged on one side surface of the oil pump shell through a bearing, an oil pump inner rotor is sleeved on the surface of the driving shaft, the oil pump inner rotor is positioned in the oil pump outer rotor, filling grooves are formed in one side surfaces of the oil pump outer rotor and the oil pump inner rotor in an equidistant penetrating manner, and sound absorbing materials are filled in the filling grooves. According to the utility model, the oil pump shell, the filling groove, the sound absorbing material and the sound insulation felt are arranged, so that the noise and vibration of the oil pump in operation are reduced by the sound absorbing material and the vibration absorbing material, the practicability of the oil pump is improved, and the problems and defects in the existing oil pump are effectively solved.

Description

Inner and outer rotor oil pump capable of absorbing shock and reducing noise
Technical Field
The utility model relates to the technical field of oil pumps, in particular to an inner rotor oil pump and an outer rotor oil pump which can absorb shock and reduce noise.
Background
With the increasing demands of people on the riding comfort of automobiles, the automobile noise reduction is always a popular research field, the noise and vibration problems of an oil pump are one of main noise sources of an engine, and the noise reduction problem of the oil pump needs to be considered in the noise reduction research of the engine.
But current oil pump is in the use, and it does not possess the shock attenuation and falls the function of making an uproar, and the practicality is not good, and the noise has influenced the use experience of oil pump.
In view of the above, the present utility model provides an inner and outer rotor oil pump capable of reducing vibration and noise, which can reduce noise and vibration of the operating oil pump by setting a sound absorbing material and a vibration absorbing material, thereby reducing noise and vibration of the oil pump, improving practicability of the oil pump, and achieving the purposes of solving the problems and improving practical value by the technology.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides an inner rotor oil pump and an outer rotor oil pump which can absorb shock and reduce noise.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an inside and outside rotor oil pump that can shock attenuation fall of making an uproar, includes oil pump housing, oil pump external rotor and oil pump lid, the inside of oil pump housing is provided with the oil pump external rotor, one side surface of oil pump housing is provided with the drive shaft through the bearing, the surface of drive shaft cup joints the motor pump internal rotor, and the motor pump internal rotor is located the inside of oil pump external rotor, one side surface equidistance of motor pump external rotor and motor pump internal rotor is run through and is provided with the filling groove, the inside of filling groove all is filled with sound absorbing material, the surface of oil pump housing is provided with the sound insulation felt, one side surface of oil pump housing is provided with the oil pump lid, one side surface equidistance of oil pump lid is run through and is provided with the mounting hole.
As a further optimization of the technical scheme, the inner rotor and outer rotor oil pump capable of reducing vibration and noise is provided with fastening bolts in the mounting holes.
As a further optimization of the technical scheme, according to the inner rotor oil pump and the outer rotor oil pump capable of reducing vibration and noise, one end of the driving shaft is connected with the cam shaft, one end of the cam shaft is sleeved with the oil pump gear, and the oil pump gear is located on one side of the oil pump shell.
The utility model has the following beneficial effects:
according to the utility model, the oil pump shell, the oil pump outer rotor, the oil pump inner rotor, the driving shaft, the filling groove, the sound absorbing material and the sound insulation felt are arranged, the sound absorbing material filled in the filling groove is matched with the sound insulation felt, so that the transmission of vibration energy can be reduced, the transmission path of noise is blocked, and good vibration and noise reduction effects are achieved, and therefore, the oil pump in operation can be subjected to noise reduction and vibration reduction through the arrangement of the sound absorbing material and the vibration absorbing material, the noise and vibration of the oil pump are reduced, and the practicability of the oil pump is improved.
Drawings
FIG. 1 is a schematic cross-sectional elevation view of the present utility model;
FIG. 2 is a schematic side view of the present utility model;
fig. 3 is a schematic view of a partial structure of the present utility model.
In the figure: 1. an oil pump housing; 2. an outer rotor of the oil pump; 3. an oil pump inner rotor; 4. a drive shaft; 5. filling the groove; 6. a sound absorbing material; 7. a sound-insulating felt; 8. a motor oil pump cover; 9. a fastening bolt; 10. a mounting hole; 11. a cam shaft; 12. and an oil pump gear.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-3, one embodiment provided by the present utility model is: the utility model provides an inside and outside rotor oil pump that can shock attenuation fall makes an uproar, includes oil pump housing 1, oil pump external rotor 2 and oil pump lid 8, the inside of oil pump housing 1 is provided with oil pump external rotor 2, one side surface of oil pump housing 1 is provided with drive shaft 4 through the bearing, the surface of drive shaft 4 cup joints the motor oil pump internal rotor 3, and oil pump internal rotor 3 is located the inside of oil pump external rotor 2, one side surface equidistance of oil pump external rotor 2 and oil pump internal rotor 3 runs through and is provided with filling groove 5, the inside of filling groove 5 is all filled with sound absorbing material 6, the surface of oil pump housing 1 is provided with sound insulation felt 7, one side surface of oil pump housing 1 is provided with oil pump lid 8, one side surface equidistance of oil pump lid 8 runs through and is provided with mounting hole 10, the inside of mounting hole 10 all is provided with fastening bolt 9, one end connection of drive shaft 4 has camshaft 11, the one end of camshaft 11 cup joints the motor oil pump gear 12, and oil pump gear 12 is located one side of oil pump housing 1.
Specifically, through the sound absorbing material 6 of filling in the filling groove 5 to cooperate with the setting of sound insulation felt 7, can reduce the transmission of vibration energy, blocked the propagation path of noise, thereby play good shock attenuation and noise reduction effect, through the setting of sound absorbing material 6 and damping material, can make an uproar and shock attenuation to the oil pump in the operation, with noise and the vibrations of reduction oil pump, improved the practicality of this oil pump, thereby effectively solved problem and the not enough that appear in the current oil pump.
Working principle: in the process of using the inner rotor oil pump and the outer rotor oil pump, through the sound absorbing material 6 filled in the filling groove 5 and the arrangement of the sound insulation felt 7, the transmission of vibration energy can be reduced, the transmission path of noise is blocked, thereby playing a good role in damping and noise reduction and improving the practicability of the oil pump.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (3)

1. The utility model provides an inside and outside rotor oil pump that can shock attenuation fall of making an uproar, includes oil pump shell (1), oil pump external rotor (2) and oil pump lid (8), its characterized in that: the inside of oil pump shell (1) is provided with oil pump external rotor (2), one side surface of oil pump shell (1) is provided with drive shaft (4) through the bearing, oil pump internal rotor (3) have been cup jointed on the surface of drive shaft (4), and oil pump internal rotor (3) are located the inside of oil pump external rotor (2), one side surface equidistance of oil pump external rotor (2) and oil pump internal rotor (3) is run through and is provided with filling groove (5), the inside of filling groove (5) is all filled with sound absorbing material (6), the surface of oil pump shell (1) is provided with sound insulation felt (7), one side surface of oil pump shell (1) is provided with oil pump lid (8), one side surface equidistance of oil pump lid (8) is run through and is provided with mounting hole (10).
2. The inner and outer rotor oil pump capable of reducing vibration and noise according to claim 1, wherein: fastening bolts (9) are arranged in the mounting holes (10).
3. The inner and outer rotor oil pump capable of reducing vibration and noise according to claim 1, wherein: one end of the driving shaft (4) is connected with a cam shaft (11), one end of the cam shaft (11) is sleeved with an oil pump gear (12), and the oil pump gear (12) is positioned on one side of the oil pump shell (1).
CN202321119005.7U 2023-05-11 2023-05-11 Inner and outer rotor oil pump capable of absorbing shock and reducing noise Active CN219954997U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321119005.7U CN219954997U (en) 2023-05-11 2023-05-11 Inner and outer rotor oil pump capable of absorbing shock and reducing noise

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321119005.7U CN219954997U (en) 2023-05-11 2023-05-11 Inner and outer rotor oil pump capable of absorbing shock and reducing noise

Publications (1)

Publication Number Publication Date
CN219954997U true CN219954997U (en) 2023-11-03

Family

ID=88553848

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321119005.7U Active CN219954997U (en) 2023-05-11 2023-05-11 Inner and outer rotor oil pump capable of absorbing shock and reducing noise

Country Status (1)

Country Link
CN (1) CN219954997U (en)

Similar Documents

Publication Publication Date Title
CN219954997U (en) Inner and outer rotor oil pump capable of absorbing shock and reducing noise
CN101893081A (en) Driven gear of engine balance shaft
CN116733947A (en) Variable-load low-noise hard tooth surface speed reducer
CN219102005U (en) Low-noise hard tooth surface speed reducer
CN214076617U (en) Low noise reaction mixing arrangement who uses in lubricating oil production process
CN213331452U (en) Shock attenuation air compressor
CN212529280U (en) Two-stage vibration isolation suspension system of pure electric vehicle
CN210183169U (en) Motor end cover structure
CN218934563U (en) Low-noise balance shaft housing assembly
CN216342662U (en) Air compressor with sound insulation and noise reduction functions
JPS6214341Y2 (en)
CN220053483U (en) Driving device of electric automobile
CN216904581U (en) Gear box motor and refrigerator ice crusher using same
CN216922857U (en) Vibration/noise reduction's bearing frame
CN217477070U (en) Driving device and vehicle
CN209800252U (en) forward and reverse internal gear pump with low running noise
CN215634691U (en) Balance mechanism and engine
CN218817639U (en) Brushless motor installation bearing that bass was made an uproar
CN215186239U (en) Vibration-resistant noise-reducing linear stepping motor
CN215805185U (en) Screw air compressor machine that vibration attenuation effect of making an uproar falls
CN216975031U (en) Internal combustion engine non-vibration crankshaft connecting rod assembly
CN215244342U (en) Transmission mechanism of vehicle and vehicle
CN220185796U (en) Worm wheel worm centre-to-centre spacing compensation structure
CN2556426Y (en) Balancing shaft damping jacket for motorcycle engine
CN217056258U (en) Chain case structure

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant