CN217381550U - Mechanical oil pump - Google Patents

Mechanical oil pump Download PDF

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Publication number
CN217381550U
CN217381550U CN202220159472.1U CN202220159472U CN217381550U CN 217381550 U CN217381550 U CN 217381550U CN 202220159472 U CN202220159472 U CN 202220159472U CN 217381550 U CN217381550 U CN 217381550U
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China
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oil
lubricating oil
oil pump
lubricating
mechanical
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CN202220159472.1U
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Chinese (zh)
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赵德力
李良波
董连杰
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Guangdong Huitian Aerospace Technology Co Ltd
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Guangdong Huitian Aerospace Technology Co Ltd
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Abstract

The embodiment of the utility model provides a mechanical oil pump, mechanical oil pump include that lubricating oil derives the passageway, are equipped with the installation interface that is used for installing the oil filter in the lubricating oil derivation passageway, and when the oil filter was not installed to the installation interface, lubricating oil derived the passageway from lubricating oil and derived, and when the oil filter was installed to the installation interface, lubricating oil derived the passageway through the oil filter from lubricating oil and derived. Through installing/dismantling the oil filter on this installation interface, adjust the filtering accuracy of oil pump to the different application scenes of adaptation, specifically when the oil filter is not installed to the installation interface, lubricating oil is direct to be derived from lubricating oil and is derived the passageway and derive, is applicable to the coarse filtration scene, and when the oil filter was installed to the installation interface, lubricating oil can be filtered through the oil filter from the in-process that lubricating oil derived the passageway, obtains the high lubricating oil of cleanliness, is applicable to the high-accuracy scene of filtering.

Description

Mechanical oil pump
Technical Field
The utility model relates to an oil pump technical field, in particular to mechanical oil pump.
Background
With the continuous development of the technology, the requirements on safety, power, energy consumption, noise and the like of vehicles, unmanned planes or helicopters are higher and higher, so that the traditional splash lubrication mode cannot meet the lubrication requirements of gear boxes such as gear boxes and reduction boxes in the vehicles, unmanned planes or helicopters.
At present, in order to realize forced lubrication, a lubrication scheme that an oil pump is arranged outside a box body of a gearbox already exists, however, the oil pump is only suitable for a single high-precision filtering scene or a single coarse filtering scene, and the filtering precision of the oil pump cannot be adjusted according to a use scene.
Disclosure of Invention
In view of the above, embodiments of the present invention provide a mechanical oil pump that at least partially solves the above problems.
In order to solve the above problems, an embodiment of the present invention discloses a mechanical oil pump, which includes a lubricating oil guiding channel, wherein the lubricating oil guiding channel is provided with an installation interface for installing an oil filter;
when the mounting interface is not provided with the oil filter, lubricating oil is led out from the lubricating oil leading-out channel;
when the mounting interface is provided with the oil filter, the lubricating oil is led out from the lubricating oil leading-out channel through the oil filter.
Optionally, the lubricating oil outlet channel comprises a first lubricating oil outlet channel and a second lubricating oil outlet channel;
when the installation interface is installed the oil filter, first lubricating oil is derived the passageway and is passed through the oil filter with second lubricating oil is derived the passageway and is led.
Optionally, when the oil filter is not mounted on the mounting interface, the first lubricating oil outlet channel is communicated with the second lubricating oil outlet channel.
Optionally, the mechanical oil pump further comprises an oil pump housing, an inner rotor, an outer rotor and a lubricating oil introduction channel, and the oil pump housing is provided with a lubricating oil inlet and a lubricating oil outlet;
one end of the lubricating oil leading-in channel is connected with a lubricating oil inlet of the oil pump shell, the other end of the lubricating oil leading-in channel is connected with a lubricating oil inlet between the inner rotor and the outer rotor, one end of the lubricating oil leading-out channel is connected with a lubricating oil outlet between the inner rotor and the outer rotor, and the other end of the lubricating oil leading-out channel is connected with a lubricating oil outlet of the oil pump shell.
Optionally, the oil pump housing and the gearbox housing of the gearbox are provided with mutually adaptive connecting holes, and fasteners are assembled on the connecting holes of the oil pump housing and the gearbox housing to connect the mechanical oil pump and the gearbox.
Optionally, the mechanical oil pump further comprises an input component, the input component is provided with an input bevel gear in meshed connection with the output gear of the gear box, and an input shaft connected with the inner rotor through a spline, and the outer rotor rotates along with the inner rotor.
Optionally, the gearbox housing is provided with a lubrication oil outlet connected to the lubrication oil inlet of the oil pump housing, and a lubrication oil inlet connected to the lubrication oil outlet of the oil pump housing.
Optionally, a filter screen is arranged at the joint of the lubricating oil outlet of the gearbox housing and the lubricating oil inlet of the oil pump housing.
Optionally, the lubricant inlet of the oil pump housing and the lubricant inlet of the gearbox housing are connected by a condenser.
Optionally, the mechanical oil pump further comprises a bearing, the input member is provided with an intermediate shaft, and the oil pump housing is provided with a bearing hole;
the inner ring of the bearing is connected with the intermediate shaft, and the outer ring of the bearing is connected with the bearing hole of the oil pump shell.
The utility model discloses the technical scheme of each embodiment can realize at least one in the following advantage at least: be equipped with the installation interface that is used for installing the oil filter in the lubricating oil derivation passageway of mechanical oil pump, can be through installation/dismantlement oil filter on this installation interface, adjust the filter fineness of oil pump, with the different application scenes of adaptation, when the oil filter is not installed to the installation interface specifically, lubricating oil is direct to be derived the passageway from lubricating oil and is derived, be applicable to the coarse filtration scene, when the oil filter is installed to the installation interface, lubricating oil can filter through the oil filter from the in-process that lubricating oil derives the passageway and derives, obtain the high lubricating oil of cleanliness, be applicable to the high-accuracy scene of filtering.
Drawings
Fig. 1 is a schematic structural view of a mechanical oil pump according to an embodiment of the present invention;
fig. 2 is a schematic structural view of another mechanical oil pump according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a mechanical oil pump and a partial gearbox housing according to an embodiment of the present invention.
Description of reference numerals:
110-oil pump shell, 111-oil pump shell lubricating oil inlet, 112-oil pump shell lubricating oil outlet, 113-connecting hole, 120-lubricating oil outlet channel, 121-first lubricating oil outlet channel, 122-second lubricating oil outlet channel, 130-mounting interface, 140-lubricating oil inlet channel, 150-inner rotor, 160-outer rotor, 170-input component, 171-input bevel gear, 172-input shaft, 173-intermediate shaft; 180-bearings;
210-gearbox housing, 211-lubrication outlet of gearbox housing.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1, a schematic structural diagram of a mechanical oil pump according to an embodiment of the present invention is shown. The mechanical oil pump comprises a lubricating oil outlet channel 120, and a mounting interface 130 for mounting an oil filter is arranged in the lubricating oil outlet channel 120.
Wherein, the oil filter can be called as an oil filter; the mechanical oil pump may also be referred to as an oil pump; the mounting interface 130 is provided in the oil pump housing 110 and the lubricant outlet passage 120 so that the oil filter can be mounted in the lubricant outlet passage 120 outside the oil pump housing 110.
Specifically, the lubricating oil guiding channel 120 is used for guiding lubricating oil from the oil pump to a gearbox, a reduction gearbox and other gearboxes, spraying the lubricating oil to gears and bearings in the gearbox, cooling and lubricating, and accordingly realizing forced lubrication. The lubricating oil discharge passage 120 is provided with an attachment port 130, the cleanliness of the lubricating oil discharged from the lubricating oil discharge passage 120 can be adjusted depending on whether or not an oil strainer is attached to the attachment port 130 in the lubricating oil discharge passage 120, and when the oil strainer is not attached to the attachment port 130, the lubricating oil is discharged from the lubricating oil discharge passage 120 and the lubricating oil with low cleanliness is discharged. When the oil filter is mounted on the mounting port 130, the lubricating oil is guided out from the lubricating oil guide passage 120 through the oil filter, and the lubricating oil with high cleanliness is guided out.
The utility model discloses an in the example, with through installing the oil filter on this installation interface 130/dismantle, adjust the filter fineness of oil pump, with the different application scene of adaptation, specifically when installation interface 130 does not install the oil filter, lubricating oil is direct to be derived passageway 120 from lubricating oil and is derived, be applicable to the coarse filtration scene, when installation interface 130 installs the oil filter, lubricating oil derives the in-process that passageway 120 derived from lubricating oil can filter through the oil filter, obtain the high lubricating oil of cleanliness, be applicable to the high-accuracy scene of filtering.
It should be noted that, in the embodiment of the present invention, the oil pump is applied to the gearbox such as the transmission case and the reduction gearbox for exemplary illustration, but the present invention is not limited thereto, and for example, the oil pump may be applied to the internal combustion engine.
Referring to fig. 2, a schematic structural diagram of another mechanical oil pump according to an embodiment of the present invention is shown. The lubricant oil lead-out passage 120 includes a first lubricant oil lead-out passage 121 and a second lubricant oil lead-out passage 122. When the oil filter is attached to the attachment interface 130, the first lubricant oil discharge passage 121 is communicated with the second lubricant oil discharge passage 122 through the oil filter.
Specifically, the lubricating oil guiding channel 120 is divided into a first lubricating oil guiding channel 121 and a second lubricating oil guiding channel 122, the mounting interface 130 of the oil filter is located between the first lubricating oil guiding channel 121 and the second lubricating oil guiding channel 122, when the oil filter is mounted on the mounting interface 130, the first lubricating oil guiding channel 121 is communicated with the second lubricating oil guiding channel 122 through the oil filter, at this time, when the lubricating oil is guided out from the lubricating oil guiding channel 120 of the oil pump, the lubricating oil with high cleanliness needs to pass through the oil filter, and the lubricating oil guiding device is suitable for high-precision filtering scenes.
In an embodiment of the present invention, when the oil filter is not mounted on the mounting interface 130, the first lubricant oil discharge passage 121 and the second lubricant oil discharge passage 122 are communicated with each other.
Specifically, when the oil filter is not installed on the installation interface 130, the first lubricating oil guiding channel 121 is directly communicated with the second lubricating oil guiding channel 122, and at this time, the lubricating oil is directly guided out from the lubricating oil guiding channel 120 of the oil pump, and the lubricating oil with low cleanliness guided out does not need to pass through the oil filter, and is suitable for a coarse filtration scene.
Referring to fig. 3, a schematic diagram of a mechanical oil pump and a part of the gearbox housing 210 according to an embodiment of the present invention is shown. The mechanical oil pump further comprises an oil pump housing 110, an inner rotor 150, an outer rotor 160 and a lubricating oil introducing channel 140, wherein the oil pump housing 110 is provided with a lubricating oil inlet and a lubricating oil outlet; one end of the lubricant introduction path 140 is connected to the lubricant inlet 111 of the oil pump housing, the other end is connected to the lubricant inlet between the inner rotor 150 and the outer rotor 160, one end of the lubricant introduction path 120 is connected to the lubricant outlet between the inner rotor 150 and the outer rotor 160, and the other end is connected to the lubricant outlet 112 of the oil pump housing.
Specifically, the lubricant oil introduction passage 140 is used to introduce lubricant oil outside the oil pump from the lubricant oil inlet 111 of the oil pump housing into the oil pump between the inner rotor 150 and the outer rotor 160, and to supply the lubricant oil to the oil pump.
The lubricant guiding channel 120 is used for guiding out the lubricant between the inner rotor 150 and the outer rotor 160 in the mechanical oil pump from the lubricant outlet in the oil pump housing 110 to be conveyed to the gear box such as the gearbox and the reduction gearbox, and when the lubricant is guided out from the lubricant outlet in the oil pump housing 110, a certain flow and pressure are required to inject the lubricant to the gears and the bearings in the gear box for cooling and lubricating, so that forced lubrication is realized.
The utility model discloses an embodiment, be equipped with the connecting hole 113 of mutual adaptation on the gear box casing 210 of oil pump casing 110 and gear box, through oil pump casing 110 with assemble fastener on the connecting hole 113 of gear box casing 210, in order to connect the mechanical oil pump with the gear box.
Wherein, the fastener can be a bolt, a screw, a stud and other connecting pieces.
Specifically, one or more connecting holes 113 are formed in each of the oil pump housing 110 and the gearbox housing 210, and the connecting holes 113 formed in the oil pump housing 110 and the gearbox housing 210 are adapted to each other, so that the oil pump housing 110 and the gearbox housing 210 can be connected together to form a whole by assembling fasteners on the connecting holes 113, thereby connecting the mechanical oil pump and the gearbox.
The utility model discloses an in the example, through the mode of assembling fastener on connecting hole 113, make integral type with oil pump housing 110 and gear box casing 210, reduced intermediate junction spare such as mount pad, when simplifying the structure, reduced weight and cost, still have better leakproofness.
The utility model discloses an embodiment, mechanical oil pump still includes input component 170, input component 170 be equipped with the input bevel gear 171 that the output gear meshing of gear box is connected, and through the spline with the input shaft 172 that inner rotor 150 connects, outer rotor 160 follows inner rotor 150 rotates.
Specifically, the power source of the mechanical oil pump is provided by the gear box, and the gear of the gear box can drive the input bevel gear 171 to rotate, so as to drive the input shaft 172 of the input component 170 to rotate, the input shaft 172 drives the inner rotor 150 of the oil pump to rotate, and the outer rotor 160 rotates along with the inner rotor 150, so as to drive the oil pump. That is, when the gear box worked, the oil pump also can follow work, and when the gear box stopped working, the oil pump also can stop working. The gear-driven integrated mechanical oil pump can be adapted to gear boxes in unmanned planes and vehicles of aviation helicopters due to the fact that the gears have high rotating speeds, and has wide application scenes.
The utility model discloses an embodiment, gearbox housing 210 be equipped with the lubricating oil export that the lubricating oil entry 111 of the oil pump shell is connected, and with the lubricating oil entry that the lubricating oil export 112 of the oil pump shell is connected.
Specifically, the lubricating oil outlet 211 of the gear case is connected to the lubricating oil inlet 111 of the oil pump case, so that the lubricating oil directly enters the lubricating oil inlet 111 of the oil pump case through the lubricating oil outlet 211 of the gear case, and then enters between the inner rotor 150 and the outer rotor 160 through the lubricating oil introduction passage 140, thereby supplying the oil to the oil pump.
The lubricant inlet of the gear case 210 is connected to the lubricant outlet 112 of the oil pump housing, so that the lubricant between the inner rotor 150 and the outer rotor 160 of the oil pump can be directly introduced into the gear case from the lubricant inlet of the gear case 210, and sprayed to the gears and bearings in the gear case for cooling and lubrication, thereby realizing forced lubrication.
The utility model discloses an in the example, through being connected with the lubricating oil entry 111 of the oil pump shell body at the lubricating oil export 211 of gear box casing, the lubricating oil entry of gear box casing 210 is connected with the lubricating oil export 112 of the oil pump shell body, can reduce middleware such as lubricating oil pipe, when simplifying the structure, has reduced weight and cost, still has better leakproofness.
The utility model discloses an in the embodiment, the lubricating oil export 211 of gear box casing with the lubricating oil entry 111 junction of oil pump shell is equipped with the filter screen.
Specifically, a filter screen is arranged at the joint of the lubricating oil outlet 211 of the gearbox housing and the lubricating oil inlet 111 of the oil pump housing, and is used for carrying out rough filtration on the lubricating oil entering the oil pump, so that the lubricating oil with impurities can be prevented from damaging the oil pump.
In an embodiment of the present invention, the lubricant inlet 111 of the oil pump housing and the lubricant inlet of the gear box housing 210 are connected through a condenser.
Specifically, after the lubricating oil in the oil pump is led out from the lubricating oil outlet 112 of the oil pump housing, the lubricating oil firstly enters the condenser to cool the lubricating oil, and then the low-temperature lubricating liquid is led into the gear box from the lubricating oil inlet of the gear box housing 210 and sprayed onto the gears and the bearings 180 in the gear box to be cooled, so that the damage to the gears and the bearings or the reduction of the service life caused by the overhigh temperature is avoided.
In an embodiment of the present invention, the mechanical oil pump further includes a bearing 180, the input member 170 is provided with a middle shaft 173, and the oil pump housing 110 is provided with a bearing hole; the inner ring of the bearing 180 is connected to the intermediate shaft 173, and the outer ring of the bearing 180 is connected to the bearing hole of the oil pump housing 110.
Specifically, the input member 170 is assembled to the oil pump housing 110 by fitting an inner race of the bearing 180 to the intermediate shaft 173 and fitting an outer race of the bearing 180 to a bearing hole of the oil pump housing 110.
The utility model discloses an in the example, be equipped with the installation interface 130 that is used for installing the oil filter in the lubricating oil derivation passageway 120 of mechanical oil pump, can be through installing/dismantling the oil filter on this installation interface 130, adjust the filter fineness of oil pump, with the different application scene of adaptation, specifically when installation interface 130 does not install the oil filter, lubricating oil directly derives passageway 120 from lubricating oil, be applicable to the coarse filtration scene, when the oil filter is installed to installation interface 130, lubricating oil derives the in-process that passageway 120 derived from lubricating oil and can filter through the oil filter, obtain the lubricating oil that the cleanliness is high, be applicable to the high-accuracy scene of filtering.
Through the mode of assembling fastener on connecting hole 113, make oil pump casing 110 and gear box casing 210 integral type, reduced intermediate connections such as mount pad, when the simplified structure, reduced weight and cost, still have better leakproofness.
Through the lubricating oil outlet 211 of the gear box shell is connected with the lubricating oil inlet 111 of the oil pump shell, and the lubricating oil inlet of the gear box shell 210 is connected with the lubricating oil outlet 112 of the oil pump shell, the number of intermediate parts such as lubricating oil guide pipes can be reduced, the structure is simplified, the weight and the cost are reduced, and the sealing performance is better.
The mechanical oil pump provided by the present invention is described in detail above, and the principle and the implementation of the present invention are explained by applying specific examples herein, and the descriptions of the above examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims (10)

1. A mechanical oil pump is characterized by comprising a lubricating oil guiding channel, wherein a mounting interface for mounting an oil filter is arranged in the lubricating oil guiding channel;
when the mounting interface is not provided with the oil filter, the lubricating oil is led out from the lubricating oil leading-out channel;
when the mounting interface is provided with the oil filter, the lubricating oil is led out from the lubricating oil leading-out channel through the oil filter.
2. The mechanical oil pump according to claim 1, wherein the lubrication oil lead-out passage includes a first lubrication oil lead-out passage and a second lubrication oil lead-out passage;
when the oil filter is installed on the installation interface, the first lubricating oil guide-out channel is communicated with the second lubricating oil guide-out channel through the oil filter.
3. The mechanical oil pump according to claim 2, wherein the first lubricant oil discharge passage is communicated with the second lubricant oil discharge passage when the oil strainer is not mounted to the mounting port.
4. The mechanical oil pump according to claim 1, further comprising an oil pump housing provided with a lubricating oil inlet and a lubricating oil outlet, an inner rotor, an outer rotor, and a lubricating oil introduction passage;
one end of the lubricating oil leading-in channel is connected with a lubricating oil inlet of the oil pump shell, the other end of the lubricating oil leading-out channel is connected with a lubricating oil inlet between the inner rotor and the outer rotor, one end of the lubricating oil leading-out channel is connected with a lubricating oil outlet between the inner rotor and the outer rotor, and the other end of the lubricating oil leading-out channel is connected with a lubricating oil outlet of the oil pump shell.
5. The mechanical oil pump according to claim 4, wherein the oil pump housing and the gear case housing are provided with coupling holes adapted to each other, and the mechanical oil pump and the gear case are coupled by fitting fasteners to the coupling holes of the oil pump housing and the gear case housing.
6. The mechanical oil pump of claim 5, further comprising an input member having an input bevel gear in meshing engagement with the output gear of the gear box and an input shaft connected to the inner rotor by splines, the outer rotor rotating with the inner rotor.
7. The mechanical oil pump of claim 5, wherein the gearbox housing is provided with a lubrication oil outlet connected to the lubrication oil inlet of the oil pump housing, and a lubrication oil inlet connected to the lubrication oil outlet of the oil pump housing.
8. The mechanical oil pump of claim 7, wherein a strainer is disposed at a connection of the lubricant outlet of the gearbox housing and the lubricant inlet of the oil pump housing.
9. The mechanical oil pump of claim 7, wherein the lubricant inlet of the oil pump housing and the lubricant inlet of the gearbox housing are connected by a condenser.
10. The mechanical oil pump of claim 6, further comprising a bearing, the input member being provided with an intermediate shaft, the oil pump housing being provided with a bearing bore;
the inner ring of the bearing is connected with the intermediate shaft, and the outer ring of the bearing is connected with the bearing hole of the oil pump shell.
CN202220159472.1U 2022-01-20 2022-01-20 Mechanical oil pump Active CN217381550U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220159472.1U CN217381550U (en) 2022-01-20 2022-01-20 Mechanical oil pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220159472.1U CN217381550U (en) 2022-01-20 2022-01-20 Mechanical oil pump

Publications (1)

Publication Number Publication Date
CN217381550U true CN217381550U (en) 2022-09-06

Family

ID=83098905

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220159472.1U Active CN217381550U (en) 2022-01-20 2022-01-20 Mechanical oil pump

Country Status (1)

Country Link
CN (1) CN217381550U (en)

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