CN112594534A - Application method of self-lubricating wiper motor capable of realizing lubricating oil recycling - Google Patents

Application method of self-lubricating wiper motor capable of realizing lubricating oil recycling Download PDF

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Publication number
CN112594534A
CN112594534A CN202011595799.5A CN202011595799A CN112594534A CN 112594534 A CN112594534 A CN 112594534A CN 202011595799 A CN202011595799 A CN 202011595799A CN 112594534 A CN112594534 A CN 112594534A
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CN
China
Prior art keywords
oil
pump
gear
lubricating
lubricating oil
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Withdrawn
Application number
CN202011595799.5A
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Chinese (zh)
Inventor
曹七芳
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Jingmen Weitian Intelligent Technology Co ltd
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Jingmen Weitian Intelligent Technology Co ltd
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Priority to CN202011595799.5A priority Critical patent/CN112594534A/en
Publication of CN112594534A publication Critical patent/CN112594534A/en
Withdrawn legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16NLUBRICATING
    • F16N7/00Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
    • F16N7/38Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems
    • F16N7/40Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems in a closed circulation system
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16NLUBRICATING
    • F16N7/00Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
    • F16N7/30Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated the oil being fed or carried along by another fluid
    • F16N7/32Mist lubrication
    • F16N7/34Atomising devices for oil
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • H02K7/1163Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion
    • H02K7/1166Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion comprising worm and worm-wheel

Abstract

The invention discloses an application method of a self-lubricating wiper motor capable of realizing cyclic utilization of lubricating oil, which comprises a shell, an upper cover, an oil storage tank, a driving motor, an atomizing nozzle, an input turbine, an output gear, a power worm and a gear pressurizing pump, wherein the shell is provided with an oil return hole, the power worm is sleeved with oil pump driving teeth, the driving motor is in transmission connection with one end of the power worm, the output gear is rotationally connected to an accommodating tank, one end of the input turbine is rotationally connected to the accommodating tank, the input turbine is meshed with the power worm and the output gear, the gear pressurizing pump is arranged in the shell and is rotationally connected with oil pump driven teeth, and the gear pressurizing pump is used for sucking and pressurizing the lubricating oil in a first cavity and pumping the lubricating oil into the atomizing nozzle; the invention can realize the recycling of the lubricating oil, prolong the interval time of adding the lubricating oil, reduce the use cost and is more convenient to use; meanwhile, the lubricating oil is changed into a mist form, so that the contact area of the lubricating oil is increased, the lubricating effect is better, and the service life is longer.

Description

Application method of self-lubricating wiper motor capable of realizing lubricating oil recycling
Technical Field
The invention relates to an application method of a self-lubricating wiper motor capable of recycling lubricating oil.
Background
Although the existing wiper motor has a lubricating effect, the use mode of lubricating oil is disposable, so that the lubricating oil needs to be frequently added, the use cost is high, and the wiper motor is extremely inconvenient.
Disclosure of Invention
The invention aims to overcome the defects and provide an application method of a self-lubricating wiper motor capable of recycling lubricating oil.
In order to achieve the purpose, the invention adopts the following specific scheme:
an application method of a self-lubricating wiper motor capable of realizing the recycling of lubricating oil comprises a shell with a containing groove, an upper cover, an oil storage groove, a driving motor, an atomizing nozzle, an input turbine, an output gear, a power worm and a gear pressurizing pump, wherein the input turbine, the output gear, the power worm and the gear pressurizing pump are arranged in the containing groove of the shell; the upper cover covers the shell and forms a closed first cavity with the accommodating groove; the oil storage tank is fixed at the bottom of the shell, so that a closed second cavity for storing lubricating oil is formed, and an oil return hole for communicating the first cavity with the second cavity is formed in the bottom of the shell; two ends of the power worm are respectively and rotatably connected to the side wall of the accommodating groove, one end of the power worm is sleeved with an oil pump driving tooth, and the driving motor is fixed on the shell and is in transmission connection with the other end of the power worm; the output gear is rotationally connected to the bottom of the containing groove and is in transmission connection with an external windshield wiper swing arm; one end of the input turbine is rotatably connected to the bottom of the accommodating groove, and the input turbine is meshed with the power worm and the output gear; the bottom at the storage tank is fixed to the gear force (forcing) pump, it is connected with the driven tooth of oil pump to rotate on the gear force (forcing) pump, the driven tooth of oil pump is used for driving gear force (forcing) pump work, the oil inlet end of gear force (forcing) pump is through advancing oil pipe and first cavity intercommunication, the oil outlet end of gear force (forcing) pump is connected with atomizer through going out oil pipe, the gear force (forcing) pump is used for sucking the lubricating oil in the first cavity and pressurizes the back pump sending to atomizer in, atomizer is fixed in the bottom surface of upper cover.
And the radius of the root circle of the oil pump driving tooth is larger than that of the oil pump driven tooth.
The input turbine comprises an integrally formed shaft body part, a worm connecting part and a gear output part, one end of the shaft body part is rotatably connected to the shell, the other end of the shaft body part is connected to the end face of the gear output part, the worm connecting part is sleeved on the shaft body part, the worm connecting part is meshed with the spiral teeth of the power worm, and the gear output part is meshed with the output gear.
The atomizing nozzle is T-shaped, a cross arm of the atomizing nozzle is located above the oil pump driving teeth, and a longitudinal arm of the atomizing nozzle is located above the output gear and the input turbine.
The bottom of the containing groove of the shell is provided with a backflow groove, and the oil return hole is located in the backflow groove.
The gear pressurizing pump comprises a pump body and a pump cover, a pair of cylindrical gears which are the same in tooth number, width and pump body phase matching and meshed with each other are arranged in the pump body, the pump cover covers the pump body, a sealed third cavity is formed between the pump cover and the pump body, the cylindrical gears are located in the third cavity and divide the third cavity into an oil suction cavity and an oil pressing cavity, the two sides of the cylindrical gears are respectively connected to the pump body and the pump cover through ceramic bearings in a rotating mode, and driven teeth of the oil pump are located outside the pump body and are in transmission connection with one of the cylindrical gears.
The invention has the beneficial effects that: compared with the prior art, the oil storage tank is arranged at the bottom of the shell, the driving motor is used for driving the power worm to rotate, power is transmitted to the gear pressure pump through the oil pump driving teeth and the oil pump driven teeth, the gear pressure pump sucks and pressurizes lubricating oil in the oil storage tank, the lubricating oil is pumped to the atomizing spray head and sprayed out through the atomizing spray head to form atomized lubricating oil, all gear structures are lubricated, and the lubricated oil flows back into the oil storage tank through the oil return hole, so that the lubricating oil is recycled, the lubricating oil is prevented from being accumulated in the shell, the service life of the lubricating oil in the oil storage tank is prolonged, the interval time for adding the lubricating oil is prolonged, the use cost is reduced, and the use is more convenient; utilize gear force (forcing) pump and atomizer cooperation simultaneously, become vaporific form with liquid lubricating oil, and then can increase the area of contact of lubricating oil, increase lubricated scope, avoid lubricated dead angle, lubricated effect is better, prolongs self-lubricating wiper motor's life.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded schematic view of the present invention;
FIG. 3 is a schematic view of a portion of the structure of the present invention;
FIG. 4 is a schematic structural view of the gear pump according to the present invention after the pump cover is hidden;
FIG. 5 is a schematic view of the structure of the housing of the present invention;
description of reference numerals: 1-a shell; 11-oil return hole; 12-a reflow groove; 2-covering the upper cover; 3-an oil storage tank; 4-driving the motor; 5-atomizing spray heads; 6-input turbine; 61-a shaft portion; 62-worm connection; 63-gear output; 7-an output gear; 8-a power worm; 9-gear pressure pump; 91-pump body; 92-cylindrical gear; 93-a ceramic bearing; 94-an oil inlet pipe; 95-an oil outlet pipe; 10-oil pump drive teeth; 20-oil pump driven tooth.
Detailed Description
The invention will be described in further detail with reference to the following figures and specific examples, without limiting the scope of the invention.
As shown in fig. 1 to 5, the application method of the self-lubricating wiper motor capable of recycling the lubricating oil according to the present embodiment includes a housing 1 having an accommodating groove (not shown), an upper cover 2, an oil storage groove 3, a driving motor 4, an atomizing nozzle 5, an input turbine 6 disposed in the accommodating groove of the housing 1, an output gear 7, a power worm 8, and a gear pressurizing pump 9; the upper cover 2 covers the housing 1 and forms a closed first cavity (not shown) with the accommodating groove; the oil storage tank 3 is fixed at the bottom of the shell 1, so that a closed second cavity (not shown in the figure) for storing lubricating oil is formed, and the bottom of the shell 1 is provided with an oil return hole 11 for communicating the first cavity with the second cavity; two ends of the power worm 8 are respectively and rotatably connected to the side wall of the accommodating groove, one end of the power worm 8 is sleeved with an oil pump driving tooth 10, and the driving motor 4 is fixed on the shell 1 and is in transmission connection with the other end of the power worm 8; the output gear 7 is rotationally connected to the bottom of the containing groove, and the output gear 7 is in transmission connection with an external windshield wiper swing arm; one end of the input turbine 6 is rotatably connected to the bottom of the accommodating groove, and the input turbine 6 is meshed with the power worm 8 and the output gear 7; gear force (forcing) pump 9 fixes the bottom at the storage tank, it is connected with oil pump driven tooth 20 to rotate on the gear force (forcing) pump 9, oil pump driven tooth 20 is used for driving gear force (forcing) pump 9 work, gear force (forcing) pump 9's oil inlet end is through advancing oil pipe 94 and first cavity intercommunication, gear force (forcing) pump 9's the end of producing oil is connected with atomizer 5 through going out oil pipe 95, gear force (forcing) pump 9 is used for sucking the lubricating oil in the first cavity and pressurizes in the back pump sending to atomizer 5, atomizer 5 is fixed in the bottom surface of upper cover 2. Preferably, in the embodiment, the input turbine 6, the output gear 7 and the power worm 8 are rotatably connected to the housing 1 through bearings, so that the installation is convenient, the friction is small, and the reduction of the power loss is facilitated. Specifically, in the present embodiment, three oil return holes 11 are provided at intervals at the bottom of the housing 1, so that the lubricating oil can timely flow back to the oil storage tank 3.
When the device is in practical use, the driving motor 4 drives the power worm 8 to rotate, the power worm 8 drives the input turbine 6 and the oil pump driving gear 10 to simultaneously rotate, the use quantity of the motor is saved, the manufacturing cost is reduced, at the moment, the input turbine 6 drives the output gear 7 to rotate, the output gear 7 transmits power for an external windshield wiper swing arm to realize a windshield wiper function, the oil pump driving gear 10 drives the oil pump driven gear 20 to rotate, the oil pump driven gear 20 drives the gear pressurizing pump 9 to work, the gear pressurizing pump 9 sucks lubricating oil in the oil storage tank 3 into the gear pressurizing pump 9 through the oil inlet pipe 94 and pressurizes the sucked lubricating oil to form high-pressure lubricating oil, the high-pressure lubricating oil is pumped into the atomizing nozzle 5 through the oil outlet pipe 95 and then is sprayed out through the atomizing nozzle 5 to form atomized lubricating oil to lubricate each gear structure, and the oil after lubricating each gear structure falls to the bottom of the accommodating groove of the shell 1 under the action of gravity, and then flows back to the oil reservoir 3 through the oil return hole 11, thereby forming circulation of the lubricating oil.
In the embodiment, the oil storage tank 3 is arranged at the bottom of the shell 1, then the driving motor 4 is used for driving the power worm 8 to rotate, power is transmitted to the gear pressurizing pump 9 through the oil pump driving teeth 10 and the oil pump driven teeth 20, the lubricating oil in the oil storage tank 3 is sucked and pressurized by the driving gear pressurizing pump 9 and then is pumped to the atomizing spray head 5, and is sprayed out through the atomizing spray head 5 to form atomized lubricating oil which lubricates various gear structures, and the lubricated oil flows back to the oil storage tank 3 through the oil return hole 11, so that the lubricating oil is recycled, the lubricating oil is prevented from being accumulated in the shell 1, the service life of the lubricating oil in the oil storage tank 3 is longer, the interval time for adding the lubricating oil is prolonged, the use cost is reduced, and the use is more convenient; utilize gear force (forcing) pump 9 and atomizer 5 cooperation simultaneously, become vaporific form with liquid lubricating oil, and then can increase the area of contact of lubricating oil, increase lubricated scope, avoid lubricated dead angle, lubricated effect is better, prolongs self-lubricating wiper motor's life.
Based on the above embodiment, further, the radius of the root circle of the oil pump driving tooth 10 is greater than the radius of the root circle of the oil pump driven tooth 20, so as to form an accelerating mechanism, provide enough power for the gear pressure pump 9, enable the gear in the gear pressure pump 9 to rotate at high speed, facilitate the pumping of the lubricant in the oil storage tank 3 and the pumping of the sucked lubricant to the atomizer 5 after the lubricant is pressurized.
Based on the above embodiment, further, the input turbine 6 includes an integrally formed shaft body portion 61, a worm connecting portion 62 and a gear output portion 63, one end of the shaft body portion 61 is rotatably connected to the housing 1, the other end of the shaft body portion 61 is connected to an end surface of the gear output portion 63, the worm connecting portion 62 is sleeved on the shaft body portion 61, the worm connecting portion 62 is engaged with the spiral teeth of the power worm 8, and the gear output portion 63 is engaged with the output gear 7. In actual use, the power worm 8 drives the whole input turbine 6 to rotate through the worm connecting part 62, so that the gear output part 63 rotates, and the gear output part 63 drives the output gear 7 to rotate, thereby providing power support for an external windshield wiper swing arm and realizing the windshield wiper function.
Based on the above embodiment, further, the atomizer 5 is T-shaped, the cross arm of the atomizer 5 is located above the oil pump driving teeth 10, and the longitudinal arm of the atomizer 5 is located above the output gear 7 and the input turbine 6. So set up, make oil pump drive tooth 10 and oil pump driven tooth 20 can fully spray to lubricating oil, it is lubricated abundant to and make output gear 7, input turbine 6, power worm 8 can fully spray lubricating oil, lubricated effect is better.
Based on the above embodiment, further, a backflow groove 12 is formed at the bottom of the accommodating groove of the housing 1, and the oil return hole 11 is located in the backflow groove 12. So set up, be more convenient for collect in the fluid backward flow to backward flow recess 12 after the lubrication, then through oil gallery 11 flow back to in the oil storage tank 3, make lubricating oil retrieve more abundant.
Based on the above embodiment, further, the gear pump 9 includes a pump body 91 and a pump cover (not shown in the figure), and a pair of cylindrical gears 92 with the same number of teeth, the same width as the pump body 91, and meshed with each other are installed in the pump body 91, the pump cover covers the pump body 91, a sealed third cavity is formed between the pump cover and the pump body 91, the two cylindrical gears 92 are located in the third cavity and divide the third cavity into an oil suction cavity and an oil pressing cavity, two sides of the two cylindrical gears 92 are rotatably connected to the pump body 91 and the pump cover through ceramic bearings 93, and the oil pump driven gear 20 is located outside the pump body 91 and is in transmission connection with one of the cylindrical gears 92. In practical use, the driven gear 20 of the oil pump drives the two cylindrical gears 92 to rotate simultaneously, when the two cylindrical gears 92 are disengaged from the engagement state, the gear teeth of the gears withdraw from the tooth space, so that the volume in the oil suction cavity is increased, partial vacuum is formed, the lubricating oil in the oil storage tank 3 is sucked into the oil suction cavity through the oil inlet pipe 94, and enters between the teeth of the gears, the oil sucked into the teeth is carried into the oil pressing cavity along with the rotation of the two cylindrical gears 92, at this time, on one side of the oil pressing cavity, the gear teeth of the gear gradually enter into engagement from a disengaged state, so that the volume in the oil pressing cavity is gradually reduced, the pressure intensity is increased, the pressure of the lubricating oil is increased, high-pressure lubricating oil is formed, the high-pressure lubricating oil enters the atomizing nozzle 5 through the oil outlet pipe 95 under the action of pressure, the lubricating oil is sprayed out through the atomizing nozzle 5 to form atomized lubricating oil, and the gear structure is lubricated; thus, as the two cylindrical gears 92 continuously rotate, the atomizing nozzle 5 continuously sprays the foggy lubricating oil, compared with the use of fluid lubricating oil, the contact area is larger, the lubricating range is wider, and the lubricating effect is better; two cylindrical gears 92 are rotatably connected to the pump body 91 through ceramic bearings 93, so that the rolling friction coefficient is reduced, the power loss is reduced, and the service life is prolonged.
The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present patent application are included in the protection scope of the present patent application.

Claims (6)

1. An application method of a self-lubricating wiper motor capable of recycling lubricating oil is characterized by comprising a shell (1) with a containing groove, an upper cover (2), an oil storage groove (3), a driving motor (4), an atomizing nozzle (5), an input turbine (6) arranged in the containing groove of the shell (1), an output gear (7), a power worm (8) and a gear pressurizing pump (9); the upper cover (2) covers the shell (1) and forms a closed first cavity together with the accommodating groove; the oil storage tank (3) is fixed at the bottom of the shell (1) so as to form a closed second cavity for storing lubricating oil, and an oil return hole (11) for communicating the first cavity with the second cavity is formed in the bottom of the shell (1); two ends of the power worm (8) are respectively and rotatably connected to the side wall of the accommodating groove, one end of the power worm (8) is sleeved with an oil pump driving tooth (10), and the driving motor (4) is fixed on the shell (1) and is in transmission connection with the other end of the power worm (8); the output gear (7) is rotatably connected to the bottom of the containing groove, and the output gear (7) is in transmission connection with an external windshield wiper swing arm; one end of the input turbine (6) is rotatably connected to the bottom of the accommodating groove, and the input turbine (6) is meshed with the power worm (8) and the output gear (7); the gear pressurizing pump (9) is fixed at the bottom of the containing groove, an oil pump driven tooth (20) is connected to the gear pressurizing pump (9) in a rotating mode, the oil pump driven tooth (20) is used for driving the gear pressurizing pump (9) to work, an oil inlet end of the gear pressurizing pump (9) is communicated with the first cavity through an oil inlet pipe (94), an oil outlet end of the gear pressurizing pump (9) is connected with the atomizing nozzle (5) through an oil outlet pipe (95), the gear pressurizing pump (9) is used for sucking and pressurizing lubricating oil in the first cavity and then pumping the lubricating oil into the atomizing nozzle (5), the atomizing nozzle (5) is fixed on the bottom surface of the upper cover (2), a backflow groove (12) is formed in the bottom of the containing groove of the shell (1), and the oil return hole (11) is located in the backflow groove (12);
the driving motor 4 drives the power worm 8 to rotate, the power worm 8 drives the input turbine 6 and the oil pump driving gear 10 to rotate simultaneously, the use amount of the motor is saved, the manufacturing cost is reduced, at the moment, the input turbine 6 drives the output gear 7 to rotate, the output gear 7 transmits power for an external windshield wiper swing arm to realize the windshield wiper function, the oil pump driving gear 10 is connected with the oil pump driven gear 20 to rotate, the oil pump driven gear 20 drives the gear pressurizing pump 9 to work, the gear pressurizing pump 9 sucks lubricating oil in the oil storage tank 3 into the gear pressurizing pump 9 through the oil inlet pipe 94 and pressurizes the sucked lubricating oil to form high-pressure lubricating oil, the high-pressure lubricating oil is pumped into the atomizing nozzle 5 through the oil outlet pipe 95 and then is sprayed out through the atomizing nozzle 5 to form foggy lubricating oil to lubricate each gear structure, and the oil after lubricating each gear structure falls to the bottom of the accommodating groove of the shell 1 under the action of gravity, and then flows back to the oil reservoir 3 through the oil return hole 11, thereby forming circulation of the lubricating oil.
2. The method for applying the self-lubricating wiper motor capable of recycling the lubricating oil according to claim 1, wherein the root circle radius of the oil pump driving teeth (10) is larger than that of the oil pump driven teeth (20).
3. The application method of the self-lubricating wiper motor capable of recycling the lubricating oil is characterized in that the input turbine (6) comprises an integrally formed shaft body part (61), a worm connecting part (62) and a gear output part (63), one end of the shaft body part (61) is rotatably connected to the housing (1), the other end of the shaft body part (61) is connected to the end face of the gear output part (63), the worm connecting part (62) is sleeved on the shaft body part (61), the worm connecting part (62) is meshed with spiral teeth of the power worm (8), and the gear output part (63) is meshed with the output gear (7).
4. The method for applying the self-lubricating wiper motor capable of recycling the lubricating oil according to claim 1, wherein the atomizer (5) is T-shaped, the cross arm of the atomizer (5) is located above the oil pump driving teeth (10), and the longitudinal arm of the atomizer (5) is located above the output gear (7) and the input turbine (6).
5. The application method of the self-lubricating wiper motor capable of recycling the lubricating oil according to claim 1, wherein the gear pressurizing pump (9) comprises a pump body (91) and a pump cover, a pair of cylindrical gears (92) which have the same number of teeth, are matched in width with the pump body (91) and are meshed with each other are arranged in the pump body (91), the pump cover is covered on the pump body (91) and forms a sealed third cavity with the pump body (91), two cylindrical gears (92) are arranged in the third cavity and divide the third cavity into an oil suction cavity and an oil pressing cavity, two sides of the two cylindrical gears (92) are respectively rotatably connected to the pump body (91) and the pump cover through ceramic bearings (93), and the driven teeth (20) of the oil pump are arranged outside the pump body (91) and are in transmission connection with one of the cylindrical gears (92).
6. The application method of the self-lubricating wiper motor capable of recycling the lubricating oil according to claim 1, wherein the gear pressurizing pump (9) comprises a pump body (91) and a pump cover, a pair of cylindrical gears (92) which have the same number of teeth, are matched in width with the pump body (91) and are meshed with each other are arranged in the pump body (91), the pump cover is covered on the pump body (91) and forms a sealed third cavity with the pump body (91), two cylindrical gears (92) are arranged in the third cavity and divide the third cavity into an oil suction cavity and an oil pressing cavity, two sides of the two cylindrical gears (92) are respectively rotatably connected to the pump body (91) and the pump cover through ceramic bearings (93), and the driven teeth (20) of the oil pump are arranged outside the pump body (91) and are in transmission connection with one of the cylindrical gears (92).
CN202011595799.5A 2019-12-27 2019-12-27 Application method of self-lubricating wiper motor capable of realizing lubricating oil recycling Withdrawn CN112594534A (en)

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CN201911372439.6A CN110925581B (en) 2019-12-27 2019-12-27 Self-lubricating wiper motor capable of recycling lubricating oil
CN202011595799.5A CN112594534A (en) 2019-12-27 2019-12-27 Application method of self-lubricating wiper motor capable of realizing lubricating oil recycling

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CN117570188A (en) * 2024-01-17 2024-02-20 潍坊斯瑞德机械有限公司 Novel transfer case transmission mechanism
CN117570188B (en) * 2024-01-17 2024-04-02 潍坊斯瑞德机械有限公司 Novel transfer case transmission mechanism

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Application publication date: 20210402