CN110848358A - Roller contact type self-lubricating wiper motor - Google Patents
Roller contact type self-lubricating wiper motor Download PDFInfo
- Publication number
- CN110848358A CN110848358A CN201911110646.4A CN201911110646A CN110848358A CN 110848358 A CN110848358 A CN 110848358A CN 201911110646 A CN201911110646 A CN 201911110646A CN 110848358 A CN110848358 A CN 110848358A
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- Prior art keywords
- oil
- oil outlet
- cavity
- pumping
- lubricating
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- 239000003921 oil Substances 0.000 claims abstract description 323
- 238000005086 pumping Methods 0.000 claims abstract description 84
- 239000010687 lubricating oil Substances 0.000 claims abstract description 15
- 238000005192 partition Methods 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 238000005299 abrasion Methods 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 abstract description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
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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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0415—Air cooling or ventilation; Heat exchangers; Thermal insulations
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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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps; Pressure control
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention relates to the technical field of motors, in particular to a roller contact type self-lubricating wiper motor which comprises a gear box and an oil storage tank, wherein the gear box is arranged on the outer side of the oil storage tank; an oil storage cavity is arranged in the oil storage tank; a worm, a worm wheel, a driving gear, a driven gear and a cam are arranged in the gear box; an oil outlet mechanism and an oil pumping mechanism are arranged in the gear box; the oil outlet mechanism and the oil pumping mechanism are respectively communicated with the oil storage cavity; the oil outlet mechanism is used for enabling lubricating oil in the oil storage cavity to flow into the gear box; the oil pumping mechanism is used for enabling lubricating oil of the gearbox to flow into the oil storage cavity. The roller and the cam are in contact type rolling friction, so that the impact and the abrasion of the roller during contact are greatly reduced, the heat generated by friction is reduced, and the durability is improved; the radial roller driving mode is adopted, the structure is more compact, and the space utilization rate is improved; the oil pumping circulation mechanism is arranged, so that lubricating oil circulates between the oil storage tank and the gear box, and the oil utilization rate is improved.
Description
Background
At present, most of automobile windscreen wipers are driven by a motor, and a driving mode of worm and gear transmission drives a windscreen wiper arm to swing. The speed reducing mechanism of the wiper driving motor with the structure is usually of a closed structure, and along with the prolonging of the service life of the wiper, the enough lubrication condition of the speed reducer is poor, so that the speed reducing mechanism is unsmooth in work, abnormal sound is generated, even the speed reducing mechanism is blocked, and the service life of the wiper motor is seriously influenced. In view of the above situation, a wiper speed reducer cover with a lubricating function, which is disclosed in patent No. 201910046308.2, can solve the problem of lubrication of a speed reducing mechanism of a wiper motor to some extent, but has a certain problem. Firstly, the oil outlet ejector rod is in direct sliding contact with the gear, sliding friction causes power loss of the motor, and simultaneously generates a large amount of heat to overheat the speed reducing mechanism, and the abrasion of the ejector rod is accelerated by the sliding friction mode of the ejector rod and the gear, so that the durability is poor. Secondly, the oil in the top oil storage cavity can only flow out in one direction to lubricate the gear and can not circulate back to the oil storage tank, the lubricating oil is accumulated at the bottom of the gear box after being used for a long time, and the lubricating mechanism fails after the lubricating oil is used up.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a roller contact type self-lubricating wiper motor.
The purpose of the invention is realized by the following technical scheme: a roller contact type self-lubricating wiper motor comprises a gear box and an oil storage tank arranged on the gear box; an oil storage cavity is arranged in the oil storage tank; a worm rotatably connected with the gear box, a worm wheel meshed with the worm, a driving gear coaxially driven with the worm wheel, a driven gear meshed with the driving gear and a cam coaxially driven with the driven gear are arranged in the gear box;
the roller contact type self-lubricating wiper motor also comprises a driving motor connected with the worm;
an oil outlet mechanism and an oil pumping mechanism are arranged in the gear box; the oil outlet mechanism and the oil pumping mechanism are respectively communicated with the oil storage cavity; the cam is used for controlling the opening and closing of the oil outlet mechanism and the oil pumping mechanism; the oil outlet mechanism is used for enabling lubricating oil in the oil storage cavity to flow into the gear box; the oil pumping mechanism is used for enabling lubricating oil of the gearbox to flow into the oil storage cavity.
The invention is further configured such that the oil outlet mechanism comprises an oil outlet guide frame; one end of the oil outlet guide frame is rotatably connected with an oil outlet roller; the other end of the oil outlet guide frame is connected with an oil outlet valve body in a sliding manner; a first oil outlet cavity, a second oil outlet cavity communicated with the first oil outlet cavity, a first oil inlet hole communicated with the first oil outlet cavity and a first oil outlet hole communicated with the second oil outlet cavity are formed in the oil outlet valve body; a valve core is movably arranged in the oil outlet valve body; one end of the valve core is fixedly connected with the other end of the oil outlet guide frame; the other end of the valve core penetrates through the second oil outlet cavity and then is arranged in the first oil outlet cavity; the other end of the valve core is provided with a valve block for blocking the first oil outlet cavity and the second oil outlet cavity; an oil outlet spring is arranged between the valve block and the first oil outlet cavity.
The invention is further provided that a clapboard is arranged between the gear box and the oil storage tank; the baffle is equipped with and is used for making the through-hole that goes out pump oil mechanism and oil storage chamber intercommunication and make first inlet port and batch oil tank intercommunication.
The invention is further provided that the oil outlet valve body is fixed at the bottom of the clapboard; the first oil outlet is formed in the top of the driven gear.
The invention is further configured such that the oil pumping mechanism comprises an oil pumping guide frame; one end of the oil pumping guide frame is rotatably connected with an oil pumping roller; the other end of the oil pumping guide frame is connected with an oil pumping valve body in a sliding manner; a pump oil cavity is arranged in the pump oil valve body; a piston rod is movably connected in the pump oil cavity; one end of the piston rod penetrates through the oil pumping valve body and then is fixedly connected with the other end of the oil pumping guide frame; the other end of the piston rod is provided with a piston head placed in the pump oil cavity; the piston head is provided with an oil passing hole in a penetrating way; one end of the pump oil cavity is provided with a second oil inlet hole; the other end of the pump oil cavity is provided with a second oil outlet; the piston head is arranged between the second oil inlet hole and the second oil outlet hole; an oil pumping spring is arranged between the piston head and the other end of the oil pumping cavity; one side of the piston head, which is close to the oil pumping spring, is provided with a check valve plate; the second oil outlet is communicated with the oil storage cavity; the oil pumping mechanism also comprises an oil suction pipe; and a one-way valve is arranged between the oil suction pipe and the second oil inlet hole.
The invention is further provided that the through hole is used for communicating the second oil outlet with the oil storage cavity; the oil pumping valve body is fixed at the bottom of the partition plate; the oil suction pipe is arranged at the bottom of the gear box.
The invention is further provided that a return spring is arranged between the piston rod and the oil pumping guide frame.
The invention has the beneficial effects that: 1. the roller and the cam are in contact type rolling friction, so that the impact and the abrasion of the roller during contact are greatly reduced, the heat generated by friction is reduced, and the durability is improved; 2. the radial roller driving mode is adopted, the structure is more compact, and the space utilization rate is improved; 3. the oil pumping circulation mechanism is arranged, so that lubricating oil circulates between the oil storage tank and the gear box, and the oil utilization rate is improved.
Description of the drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be derived on the basis of the following drawings without inventive effort.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention with the oil reservoir and the partition hidden;
FIG. 3 is a schematic view of the present invention with the oil reservoir, the partition and the gear case hidden;
FIG. 4 is a cross-sectional view of the present invention;
FIG. 5 is a schematic structural view of the oil pumping mechanism of the present invention;
FIG. 6 is a cross-sectional view of the oil pumping mechanism of the present invention;
FIG. 7 is a cross-sectional view of the oil delivery mechanism of the present invention;
wherein: 1-a gear box; 11-a worm; 12-a worm gear; 13-a drive gear; 14-a driven gear; 15-a cam; 16-a drive motor; 2-an oil storage tank; 21-oil storage chamber; 3-a separator; 31-a through hole; 4-an oil outlet guide frame; 41-oil outlet roller; 5-an oil outlet valve body; 51-a first oil outlet chamber; 52-a second oil outlet cavity; 53-a first oil inlet; 54-a first oil outlet; 55-valve core; 56-valve block; 57-oil outlet spring; 6-oil pumping guide frame; 61-oil pumping roller; 62-a return spring; 7-oil pumping valve body; 71-a pump oil chamber; 72-a piston rod; 73-piston head; 74-oil passing holes; 75-a second oil inlet; 76-a second oil outlet; 77-oil pumping spring; 78-check valve plate; 8-an oil suction pipe; 81-one-way valve.
Detailed Description
The invention is further described with reference to the following examples.
As can be seen from fig. 1 to 7, the roller contact type self-lubricating wiper motor according to the present embodiment includes a gear box 1 and an oil storage tank 2 disposed on the gear box 1; an oil storage cavity 21 is arranged in the oil storage tank 2; a worm 11 rotationally connected with the gear box 1, a worm wheel 12 meshed with the worm 11, a driving gear 13 coaxially driven with the worm wheel 12, a driven gear 14 meshed with the driving gear 13 and a cam 15 coaxially driven with the driven gear 14 are arranged in the gear box 1;
the roller contact type self-lubricating wiper motor further comprises a driving motor 16 connected with the worm 11;
an oil outlet mechanism and an oil pumping mechanism are arranged in the gear box 1; the oil outlet mechanism and the oil pumping mechanism are respectively communicated with the oil storage cavity 21; the cam 15 is used for controlling the opening and closing of the oil outlet mechanism and the oil pumping mechanism; the oil outlet mechanism is used for enabling lubricating oil in the oil storage cavity 21 to flow into the gear box 1; the oil pumping mechanism is used for flowing lubricating oil of the gear box 1 into the oil storage chamber 21.
Specifically, in the roller contact type self-lubricating wiper motor according to the present embodiment, the oil storage tank 2 is disposed at the top of the gear box 1, and the oil outlet mechanism and the oil pumping mechanism are communicated with the oil storage chamber 21. The driving gear 13 and the worm wheel 12 are coaxially fixed, the driving motor 16 drives the worm 11 to rotate, the driven gear 14 and the cam 15 are coaxially fixed, the cam 15 controls the oil outlet mechanism to be opened and closed and the oil pumping mechanism to pump oil, when the cam 15 controls the oil outlet mechanism to be opened, lubricating oil in the oil storage cavity 21 flows into the gear box 1 to lubricate the gear, and when the cam 15 controls the oil pumping mechanism to be opened, the lubricating oil in the gear box 1 flows back into the oil storage cavity 21.
In the roller contact type self-lubricating wiper motor according to this embodiment, the oil outlet mechanism includes an oil outlet guide frame 4; one end of the oil outlet guide frame 4 is rotatably connected with an oil outlet roller 41; the other end of the oil outlet guide frame 4 is connected with an oil outlet valve body 5 in a sliding manner; a first oil outlet cavity 51, a second oil outlet cavity 52 communicated with the first oil outlet cavity 51, a first oil inlet hole 53 communicated with the first oil outlet cavity 51 and a first oil outlet hole 54 communicated with the second oil outlet cavity 52 are formed in the oil outlet valve body 5; a valve core 55 is movably arranged in the oil outlet valve body 5; one end of the valve core 55 is fixedly connected with the other end of the oil outlet guide frame 4; the other end of the valve core 55 passes through the second oil outlet cavity 52 and then is arranged in the first oil outlet cavity 51; the other end of the valve core 55 is provided with a valve block 56 for blocking the first oil outlet cavity 51 and the second oil outlet cavity 52; an oil outlet spring 57 is arranged between the valve block 56 and the first oil outlet cavity 51. In the roller contact type self-lubricating wiper motor of the embodiment, a partition plate 3 is arranged between the gear box 1 and the oil storage tank 2; the partition plate 3 is provided with a through hole 31 for communicating the oil discharge mechanism with the oil storage chamber 21 and communicating the first oil inlet hole 53 with the oil storage tank 2. In the roller contact type self-lubricating wiper motor of the embodiment, the oil outlet valve body 5 is fixed at the bottom of the partition plate 3; the first oil outlet hole 54 is provided at the top of the driven gear 14.
The oil outlet valve body 5 of the oil outlet mechanism is arranged at the bottom of the partition plate 3, the oil outlet spring 57 at the rear part of the valve core 55 acts on the oil outlet mechanism to be in a normally closed state, the valve core 55 is connected with the oil outlet guide frame 4, when the cam 15 rotates and extrudes the oil outlet roller 41, the oil outlet guide frame 4 drives the valve core 55 and the valve block 56 to move backwards and compress the oil outlet spring 57, so that the oil outlet mechanism is opened, and the lubricating oil in the top oil storage tank 2 sequentially flows into the vicinity of a gear meshing part after passing through the first oil inlet hole 53, the first oil outlet cavity 51, the second oil outlet cavity 52 and the first oil outlet hole 54 to lubricate the gear.
In the roller contact type self-lubricating wiper motor according to this embodiment, the oil pumping mechanism includes an oil pumping guide frame 6; one end of the oil pumping guide frame 6 is rotatably connected with an oil pumping roller 61; the other end of the oil pumping guide frame 6 is connected with an oil pumping valve body 7 in a sliding manner; a pump oil cavity 71 is arranged in the pump oil valve body 7; a piston rod 72 is movably connected in the pump oil cavity 71; one end of the piston rod 72 penetrates through the oil pumping valve body 7 and is fixedly connected with the other end of the oil pumping guide frame 6; the other end of the piston rod 72 is provided with a piston head 73 placed in the pump oil chamber 71; the piston head 73 is penetrated with an oil passing hole 74; a second oil inlet 75 is formed at one end of the pump oil chamber 71; the other end of the pump oil chamber 71 is provided with a second oil outlet 76; the piston head 73 is arranged between the second oil inlet hole 75 and the second oil outlet hole 76; an oil pumping spring 77 is arranged between the piston head 73 and the other end of the oil pumping chamber 71; one side of the piston head 73 close to the oil pumping spring 77 is provided with a check valve plate 78; the second oil outlet hole 76 is communicated with the oil storage chamber 21; the oil pumping mechanism also comprises an oil suction pipe 8; a one-way valve 81 is arranged between the oil suction pipe 8 and the second oil inlet 75. In the roller contact type self-lubricating wiper motor according to the embodiment, the through hole 31 is used for communicating the second oil outlet 76 with the oil storage chamber 21; the oil pumping valve body 7 is fixed at the bottom of the partition plate 3; the oil suction pipe 8 is arranged at the bottom of the gear box 1.
The piston rod 72 is connected with the oil pumping guide frame 6, the piston head 73 at the front part of the piston rod 72 is provided with an oil passing hole 74, and the piston head 73 unidirectionally limits the oil to pass through by the check valve plate 78 and the oil pumping spring 77. When the driving cam 15 presses the oil pumping roller 61, the other end of the oil pumping chamber 71 compresses oil at one end of the oil pumping chamber 71 through the piston rod 72, the check valve plate 78 overcomes the pressure of the check valve plate 78 and the oil pumping spring 77 under oil pressure, the oil pumping spring 77 is compressed and the check valve plate 78 is separated from the piston head 73, the oil flows to the other end of the oil pumping chamber 71 through the oil passing hole 74 of the piston head 73, when the cam 15 is far away from the oil pumping roller 61, the oil pumping roller 61 is released and reset, the piston rod 72 and the piston head 73 pull back to press the oil at the other end of the oil pumping chamber 71 back to the oil pumping chamber 21, and meanwhile, one end of the oil pumping chamber 71 sucks accumulated oil at the bottom of the gear box 1 into the oil.
In the roller contact type self-lubricating wiper motor according to this embodiment, the return spring 62 is disposed between the piston rod 72 and the oil pumping guide frame 6. The arrangement facilitates the resetting of the oil pumping guide frame 6 and the piston.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (8)
1. The utility model provides a gyro wheel contact self-lubricating wiper motor which characterized in that: the method is characterized in that: the gearbox is characterized by comprising a gearbox (1) and an oil storage tank (2) arranged on the gearbox (1); an oil storage cavity (21) is arranged in the oil storage tank (2); a worm (11) rotationally connected with the gear box (1), a worm wheel (12) meshed with the worm (11), a driving gear (13) coaxially driven with the worm wheel (12), a driven gear (14) meshed with the driving gear (13) and a cam (15) coaxially driven with the driven gear (14) are arranged in the gear box (1);
the roller contact type self-lubricating wiper motor also comprises a driving motor (16) connected with the worm (11);
an oil outlet mechanism and an oil pumping mechanism are arranged in the gear box (1); the oil outlet mechanism and the oil pumping mechanism are respectively communicated with the oil storage cavity (21); the cam (15) is used for controlling the opening and closing of the oil outlet mechanism and the oil pumping mechanism; the oil outlet mechanism is used for enabling lubricating oil in the oil storage cavity (21) to flow into the gear box (1); the oil pumping mechanism is used for enabling lubricating oil of the gearbox (1) to flow into the oil storage cavity (21).
2. The roller contact type self-lubricating wiper motor according to claim 1, wherein: the oil outlet mechanism comprises an oil outlet guide frame (4); one end of the oil outlet guide frame (4) is rotatably connected with an oil outlet roller (41); the other end of the oil outlet guide frame (4) is connected with an oil outlet valve body (5) in a sliding manner; a first oil outlet cavity (51), a second oil outlet cavity (52) communicated with the first oil outlet cavity (51), a first oil inlet hole (53) communicated with the first oil outlet cavity (51) and a first oil outlet hole (54) communicated with the second oil outlet cavity (52) are formed in the oil outlet valve body (5); a valve core (55) is movably arranged in the oil outlet valve body (5); one end of the valve core (55) is fixedly connected with the other end of the oil outlet guide frame (4); the other end of the valve core (55) penetrates through the second oil outlet cavity (52) and then is arranged in the first oil outlet cavity (51); the other end of the valve core (55) is provided with a valve block (56) for blocking the first oil outlet cavity (51) and the second oil outlet cavity (52); an oil outlet spring (57) is arranged between the valve block (56) and the first oil outlet cavity (51).
3. The roller contact type self-lubricating wiper motor according to claim 2, wherein: a partition plate (3) is arranged between the gear box (1) and the oil storage tank (2); the partition plate (3) is provided with a through hole (31) which is used for communicating the oil pumping mechanism with the oil storage cavity (21) and communicating the first oil inlet hole (53) with the oil storage tank (2).
4. The roller contact type self-lubricating wiper motor according to claim 3, wherein: the oil outlet valve body (5) is fixed at the bottom of the partition plate (3); the first oil outlet hole (54) is formed in the top of the driven gear (14).
5. The roller contact type self-lubricating wiper motor according to claim 3, wherein: the oil pumping mechanism comprises an oil pumping guide frame (6); one end of the oil pumping guide frame (6) is rotatably connected with an oil pumping roller (61); the other end of the oil pumping guide frame (6) is connected with an oil pumping valve body (7) in a sliding manner; a pump oil cavity (71) is arranged in the pump oil valve body (7); a piston rod (72) is movably connected in the pump oil cavity (71); one end of the piston rod (72) penetrates through the oil pumping valve body (7) and then is fixedly connected with the other end of the oil pumping guide frame (6); the other end of the piston rod (72) is provided with a piston head (73) placed in the pump oil chamber (71); the piston head (73) penetrates through the oil passing hole (74); one end of the pump oil cavity (71) is provided with a second oil inlet hole (75); the other end of the pump oil cavity (71) is provided with a second oil outlet hole (76); the piston head (73) is arranged between the second oil inlet hole (75) and the second oil outlet hole (76); an oil pumping spring (77) is arranged between the piston head (73) and the other end of the oil pumping chamber (71); one side of the piston head (73) close to the oil pumping spring (77) is provided with a check valve plate (78); the second oil outlet hole (76) is communicated with the oil storage cavity (21); the oil pumping mechanism also comprises an oil suction pipe (8); a one-way valve (81) is arranged between the oil suction pipe (8) and the second oil inlet hole (75).
6. The roller contact type self-lubricating wiper motor according to claim 5, wherein: the through hole (31) is used for communicating the second oil outlet hole (76) with the oil storage cavity (21); the oil pumping valve body (7) is fixed at the bottom of the partition plate (3); the oil suction pipe (8) is arranged at the bottom of the gear box (1).
7. The roller contact type self-lubricating wiper motor according to claim 5, wherein: and a return spring (62) is arranged between the piston rod (72) and the oil pumping guide frame (6).
8. The roller contact type self-lubricating wiper motor according to claim 5, wherein: and a return spring (62) is arranged between the piston rod (72) and the oil pumping guide frame (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911110646.4A CN110848358A (en) | 2019-11-14 | 2019-11-14 | Roller contact type self-lubricating wiper motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911110646.4A CN110848358A (en) | 2019-11-14 | 2019-11-14 | Roller contact type self-lubricating wiper motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110848358A true CN110848358A (en) | 2020-02-28 |
Family
ID=69600215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911110646.4A Withdrawn CN110848358A (en) | 2019-11-14 | 2019-11-14 | Roller contact type self-lubricating wiper motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110848358A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118881726A (en) * | 2024-09-25 | 2024-11-01 | 江苏凯斯盾科技有限公司 | Gear box structure for pedal motor |
-
2019
- 2019-11-14 CN CN201911110646.4A patent/CN110848358A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118881726A (en) * | 2024-09-25 | 2024-11-01 | 江苏凯斯盾科技有限公司 | Gear box structure for pedal motor |
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Application publication date: 20200228 |
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