CN216590998U - Miniature lubricating pump with driving motor - Google Patents
Miniature lubricating pump with driving motor Download PDFInfo
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- CN216590998U CN216590998U CN202022810090.4U CN202022810090U CN216590998U CN 216590998 U CN216590998 U CN 216590998U CN 202022810090 U CN202022810090 U CN 202022810090U CN 216590998 U CN216590998 U CN 216590998U
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- driving motor
- pump body
- inner rotor
- eccentric sleeve
- rotor
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- 230000001050 lubricating effect Effects 0.000 title claims abstract description 15
- 238000009434 installation Methods 0.000 abstract description 2
- 238000005461 lubrication Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
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Abstract
The utility model relates to a micro lubricating pump with a driving motor, which comprises a pump body and the driving motor, wherein an eccentric sleeve, an outer rotor and an inner rotor are arranged in the pump body, the eccentric sleeve is sleeved in the pump body, the outer rotor and the inner rotor are arranged in the eccentric sleeve, the pump body is connected with the driving motor to form an integral structure, a driving shaft of the motor is connected with the inner rotor, and the driving motor is electrically connected with a control device through a wiring end; a section of C-shaped pin groove is formed between the eccentric sleeve and the pump body, a positioning pin is arranged in the pin groove, when the driving shaft rotates reversely, the outer rotor rotates reversely along with the inner rotor, the eccentric sleeve rotates reversely under the driving of the outer rotor, and the eccentric sleeve is positioned through the positioning pin after rotating 180 degrees. The utility model adopts the integrated arrangement of the micro motor and the pump body, and the oil suction area and the oil pressing area are relatively fixed by changing the position and the eccentric distance of the eccentric sleeve, and the utility model has the advantages of small volume, compact structure, light weight, convenient installation, good self-suction performance, high efficiency, stable flow and low noise.
Description
Technical Field
The utility model relates to a lubrication pump, in particular to a miniature lubrication pump with a driving motor.
Background
The existing rotary mechanical equipment such as machine tools and automobiles generally needs to use a lubricating pump, the existing lubricating pump generally has a gear pump, a plunger pump and a cycloid lubricating pump, the gear pump and the plunger pump have the defects of large pulsation, unstable oil pressure, large noise, large volume and the like, an oil inlet and an oil outlet of the gear pump can be changed along with the change of the rotation direction of a main shaft, and the requirements of small electromechanical equipment which requires oil supply in a constant flow direction, low noise and high equipment volume can not be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a micro lubricating pump with a driving motor, which adopts the integrated arrangement of the micro motor and a pump body, ensures the relative fixation of an oil suction area and an oil pressing area by changing the eccentric distance of an eccentric sleeve, and realizes the fixed flow direction of oil supply.
The purpose of the utility model is realized by adopting the following technical scheme:
the micro lubricating pump with the driving motor comprises a pump body and the driving motor, wherein an eccentric sleeve, an outer rotor and an inner rotor are arranged in the pump body, the eccentric sleeve is sleeved in the pump body, the outer rotor and the inner rotor are arranged in the eccentric sleeve, the pump body is connected with the driving motor to form an integral structure, the motor is connected with the inner rotor through a driving shaft, and the driving motor is electrically connected with a control device through a wiring end;
the outer rotor and the inner rotor are respectively composed of a pair of conjugate cycloid gears, the inner rotor is connected with the driving shaft and rotates under the driving of the driving shaft, and the outer rotor and the inner rotor do differential rotation in the same direction under the action of the inner rotor.
As a preferred technical scheme of the utility model, the control device comprises a single chip microcomputer, a PCB control circuit board or a PLC controller.
As a preferred technical scheme of the utility model, a section of C-shaped pin groove is arranged between the eccentric sleeve and the pump body, and a positioning pin is arranged in the pin groove.
As a preferred technical scheme of the utility model, when the driving shaft rotates reversely, the outer rotor rotates reversely along with the inner rotor, the eccentric sleeve rotates reversely under the driving of the outer rotor, and the eccentric sleeve rotates for a certain angle and is positioned by the positioning pin.
As a preferable embodiment of the present invention, the maximum angle of rotation of the eccentric sleeve is 180 degrees.
As a preferable technical scheme of the utility model, the outer surface of the pump body is provided with two oil outlets, and an included angle between the two oil outlets is less than or equal to 180 degrees.
The beneficial effects of the utility model are: compared with the prior art, the utility model adopts the integrated arrangement of the micro motor and the pump body, the pump body is composed of a pair of conjugate cycloid gears and an eccentric sleeve, the number of teeth of the inner rotor and the outer rotor is unequal, the inner rotor and the outer rotor are relatively eccentric, when the driving shaft rotates reversely, the eccentric sleeve is positioned after rotating reversely 180 degrees under the driving of the outer rotor, the position and the eccentric distance of the eccentric sleeve are changed, the relative fixation of an oil suction area and an oil pressing area is ensured, and the directionality of oil supply is realized.
The utility model has small volume, compact structure, light weight, convenient installation, good self-suction performance, high efficiency, stable flow and low noise; the flow direction of the lubricating liquid is not changed along with the change of the rotation direction of the driving shaft, so that the directionality of oil supply is ensured.
Drawings
The utility model will be further described with reference to the following detailed description of embodiments and with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic cross-sectional view of the pump body of the present invention.
In the figure: 1. the pump body, 2, eccentric cover, 3, outer rotor, 4, inner rotor, 5, cotter way, 6, locating pin, 7, driving motor, 8, oil-out, 9, wiring end.
Detailed Description
As shown in fig. 1 and 2, the micro lubrication pump with the driving motor comprises a pump body 1 and a driving motor 7, wherein an eccentric sleeve 2, an outer rotor 3 and an inner rotor 4 are arranged in the pump body 1, the eccentric sleeve 2 is arranged in the pump body 1, the outer rotor 3 and the inner rotor 4 are arranged in the eccentric sleeve 2, the pump body 1 is connected with the driving motor 7 to form an integral structure, the motor 7 is connected with the inner rotor 4 through a driving shaft, and the driving motor 7 is electrically connected with a control device through a wiring terminal 9. The outer rotor 3 and the inner rotor 4 are respectively composed of a pair of conjugate cycloid gears, the inner rotor 4 is connected with a driving shaft and driven by the driving shaft to rotate, and the outer rotor 3 and the inner rotor 4 do differential rotation in the same direction under the action of the inner rotor 4.
In this embodiment, the control device includes a single chip microcomputer, a PCB control circuit board or a PLC controller. The inner rotor 4 is connected with a motor 7 through a driving shaft, a section of C-shaped pin groove 5 is arranged between the eccentric sleeve 2 and the pump body 1, and a positioning pin 6 is arranged in the pin groove 5. When 7 counter rotation of driving motor, outer rotor 3 is counter rotation together with inner rotor 4, and eccentric bushing 2 is counter rotation under outer rotor 3's drive, and through locating pin 6 location behind the rotatory certain angle of eccentric bushing 2, the rotatory biggest angle of this embodiment eccentric bushing 2 is 180 degrees. Two oil outlets 8 are formed in the outer surface of the pump body 1, and the included angle between the two oil outlets 8 is smaller than or equal to 180 degrees.
The present invention consists of a pair of conjugate cycloid gears, and because the number of teeth of the inner and outer rotors is unequal and the rotors are relatively eccentric, the rotors have a certain volume space, and the volume space is changed in the relative movement of the rotors, so that the actions of absorbing oil and pressing oil are produced. When the driving motor 7 rotates reversely, the eccentric sleeve 2 is rotated 180 degrees under the reverse driving of the outer rotor 3 and then positioned, and the position and the eccentric distance of the eccentric sleeve are changed, so that the oil suction area and the oil pressing area are relatively fixed, and the directionality of oil supply is realized.
The above-mentioned embodiments are only used for illustrating the conception and technical features of the present invention, and the purpose thereof is to make the technical solution and implementation manner of the present invention known to those skilled in the art, and the protection scope of the present invention is not limited thereby. All equivalents and changes equivalent to the technical solution of the present invention should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a miniature lubricating pump with driving motor, includes the pump body and driving motor, is equipped with eccentric cover, external rotor and inner rotor in the pump body, eccentric cover is established in the pump body, and external rotor and inner rotor are established in eccentric cover, characterized by: the pump body is connected with a driving motor to form an integral structure, the motor is connected with the inner rotor through a driving shaft, and the driving motor is electrically connected with the control device through a wiring end;
the outer rotor and the inner rotor are respectively composed of a pair of conjugate cycloid gears, the inner rotor is connected with the driving shaft and rotates under the driving of the driving shaft, and the outer rotor and the inner rotor do differential rotation in the same direction under the action of the inner rotor.
2. The micro lubricating pump with driving motor as claimed in claim 1, wherein: the control device comprises a single chip microcomputer, a PCB control circuit board or a PLC controller.
3. The micro lubricating pump provided with the driving motor according to claim 1 or 2, wherein: a section of C-shaped pin groove is arranged between the eccentric sleeve and the pump body, and a positioning pin is arranged in the pin groove.
4. The micro lubricating pump with driving motor as claimed in claim 1, wherein: when the driving shaft rotates reversely, the outer rotor rotates reversely along with the inner rotor, the eccentric sleeve rotates reversely under the driving of the outer rotor, and the eccentric sleeve is positioned through the positioning pin after rotating.
5. The micro lubricating pump with driving motor as claimed in claim 4, wherein: the maximum angle of rotation of the eccentric sleeve is 180 degrees.
6. The micro lubricating pump with driving motor as claimed in claim 1, wherein: two oil outlets are formed in the outer surface of the pump body, and the included angle between the two oil outlets is smaller than or equal to 180 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022810090.4U CN216590998U (en) | 2020-11-28 | 2020-11-28 | Miniature lubricating pump with driving motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022810090.4U CN216590998U (en) | 2020-11-28 | 2020-11-28 | Miniature lubricating pump with driving motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216590998U true CN216590998U (en) | 2022-05-24 |
Family
ID=81609397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022810090.4U Active CN216590998U (en) | 2020-11-28 | 2020-11-28 | Miniature lubricating pump with driving motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216590998U (en) |
-
2020
- 2020-11-28 CN CN202022810090.4U patent/CN216590998U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Micro lubrication pump with drive motor Effective date of registration: 20220801 Granted publication date: 20220524 Pledgee: Jiangyan Jiangsu rural commercial bank Limited by Share Ltd. Pledgor: JIANGSU JIANGJIN PUMP CO.,LTD. Registration number: Y2022980011660 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230714 Granted publication date: 20220524 Pledgee: Jiangyan Jiangsu rural commercial bank Limited by Share Ltd. Pledgor: JIANGSU JIANGJIN PUMP CO.,LTD. Registration number: Y2022980011660 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Micro lubrication pump with drive motor Effective date of registration: 20231114 Granted publication date: 20220524 Pledgee: Jiangyan Jiangsu rural commercial bank Limited by Share Ltd. Pledgor: JIANGSU JIANGJIN PUMP CO.,LTD. Registration number: Y2023980065292 |