CN112157627A - Handheld dismounting device for oil drain plug of automobile oil pan and using method of dismounting device - Google Patents
Handheld dismounting device for oil drain plug of automobile oil pan and using method of dismounting device Download PDFInfo
- Publication number
- CN112157627A CN112157627A CN202010994082.1A CN202010994082A CN112157627A CN 112157627 A CN112157627 A CN 112157627A CN 202010994082 A CN202010994082 A CN 202010994082A CN 112157627 A CN112157627 A CN 112157627A
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- CN
- China
- Prior art keywords
- oil
- driving motor
- drain plug
- oil drain
- gear shaft
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/04—Filling or draining lubricant of or from machines or engines
- F01M11/0458—Lubricant filling and draining
Abstract
The invention discloses a handheld dismounting device for an oil drain plug of an oil pan of an automobile and a using method of the handheld dismounting device, wherein the device consists of a power mechanism, a dismounting mechanism and a shell assembly, the dismounting mechanism comprises a plug screw dismounting head, a longitudinal gear shaft I, a rack, a straight gear and a coupling plate, the plug screw dismounting head and the longitudinal gear shaft are connected in a rotating mode, the longitudinal gear shaft I is assembled in the transversely arranged coupling plate through a bearing I, the end part of the coupling plate is meshed with the rack, and the rack is also meshed with the straight gear; the power mechanism comprises a power source, a first driving motor and a second driving motor, the shell assembly comprises a transmission box body, a shell, an oil collecting funnel and an oil pipe, the transmission box body is connected with the shell through a cylindrical connecting bridge, and the bottom of the oil collecting funnel is directly connected with the oil pipe. The invention can improve the disassembly speed of the oil drain plug of the automobile oil pan and avoid the problems of personal injury and personal pollution of high-temperature engine oil to operators.
Description
Technical Field
The invention relates to an auxiliary tool for automobile maintenance, in particular to a handheld dismounting device for an oil drain plug of an oil pan of an automobile and a using method of the dismounting device.
Background
At present, in the automobile maintenance and repair process, an engine oil drain plug on an automobile chassis can only be manually unscrewed and disassembled by using a common wrench basically, and an operator must quickly react to avoid sprayed high-temperature engine oil at the moment of spraying the engine oil, because the engine oil is heated in the automobile running process; and not every disassembly may wait until the oil cools. In addition, the spilled oil can also contaminate the clothing and skin of the operator.
The oil drain bolt is dismantled to traditional hexagonal spanner, can fine utilization lever principle, but automobile chassis's protruding mechanism probably does not allow the spanner that uses longer handle, and the spanner handle is short-term, and the dismantlement process can be very hard to dismantle speed is slow, and work efficiency is low.
Disclosure of Invention
The invention aims to provide a hand-held device for detaching an oil drain plug of an automobile oil pan and a using method thereof, which can improve the detaching speed of the oil drain plug of the automobile oil pan and avoid the problems of personal injury and personal pollution of high-temperature engine oil to operators.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a handheld dismounting device for an oil drain plug of an automobile oil pan, which consists of a power mechanism, a dismounting mechanism and a shell assembly, wherein the dismounting mechanism comprises a plug screw dismounting head, a longitudinal gear shaft I, a rack, a straight gear and a coupling plate;
the power mechanism comprises a power source, a first driving motor and a second driving motor, the first driving motor drives the straight gear to rotate, an output shaft of the second driving motor is connected with the transverse gear shaft through a second coupling, a second bevel gear is assembled at the end part of the transverse gear shaft, a first bevel gear meshed with the second bevel gear is also assembled on the first longitudinal gear shaft, and the power source is used for supplying power to the first driving motor and the second driving motor;
the casing subassembly is including holding the drive box body of detaching mechanism and driving motor one and no upper cover, holding casing, collection oil funnel and the oil pipe of driving motor two, and is connected through a cylindric connecting bridge between drive box body and the casing, just the coaxial outside of establishing at the output shaft of driving motor two and horizontal gear shaft of connecting bridge, the drive box body corresponds vertical gear shaft one position and is equipped with the oil drain hole, and the oil drain hole with collection oil funnel fixed fit connects, oil funnel bottom direct connection leads to oil pipe.
Preferably, the screw plug dismounting head is embedded with the first longitudinal gear shaft through the positioning boss, so that the screw plug dismounting head and the first longitudinal gear shaft can be linked through the positioning boss to realize synchronous rotation.
Preferably, the first driving motor drives the second longitudinal gear shaft to rotate through the first coupling, the spur gear is assembled on the second longitudinal gear shaft through a key, and the second longitudinal gear shaft is used for mounting and driving the spur gear.
Preferably, the connection end face of the shell and the connection bridge and the connection end face of the transmission case and the connection bridge are respectively provided with a connection bridge tooth socket and a threaded hole for positioning, the connection bridge is mounted and positioned through the connection bridge tooth socket and the positioning teeth of the connection bridge, and connection and fixation are completed through the threaded hole.
Further, the transmission box body is provided with a through hole for accommodating the transverse gear shaft to pass through corresponding to the center of the connecting bridge, the transverse gear shaft is further provided with a second bearing corresponding to the through hole, the second bearing is arranged at the position of the through hole, support can be provided for the transverse gear shaft, the transmission mechanism is stabilized, and the shell is provided with a motor cavity for accommodating the second driving motor corresponding to the center of the connecting bridge.
According to the invention, the oil separation baffle is arranged to facilitate high-temperature engine oil to be collected and finally flow into the oil collection funnel, so that oil is prevented from splashing around the transmission box body, and the through groove on the side surface of the transmission box body can not only ensure enough movement space of the rack, but also reduce the volume of the transmission box body.
Preferably, the shell assembly further comprises a power source box body for accommodating a power source and a handheld handle, the upper end and the lower end of the handheld handle are respectively and fixedly connected with the shell and the power source box body, the shell and the power source box body are skillfully connected through the handheld handle, and therefore the shell assembly and the power source box body can be fixed, and a holding position can be provided for convenient use.
According to the invention, the transmission case body is preferably provided with the telescopic case sleeve along the edge of the top of the transmission case body, the permanent magnet is fixedly connected to the periphery of the top of the telescopic case sleeve, and when the transmission case body is used, the permanent magnet and the telescopic case sleeve can prevent a gap between the transmission case body and an oil pan from leaking oil, so that oil is prevented from splashing out, and a better oil collecting effect is achieved.
Furthermore, the permanent magnet is a strong magnetic soft magnet, can adapt to irregular automobile chassis, and simultaneously cannot fall off due to impact of oil discharge of engine oil.
The use method of the handheld dismounting device for the oil drain plug of the oil pan of the automobile comprises the following specific steps: firstly, the device is arranged at the bottom of an oil drain plug, a plug screw dismounting head corresponds to the oil drain plug screw, secondly, the oil drain plug screw is screwed down by controlling a driving motor II, an oil drain hole which is directly and fixedly matched and connected with an oil collecting funnel is formed in the bottom of a transmission box body, a driving motor I is controlled to rotate forwards, a straight gear is driven to drive a rack, and the whole part of a coupling plate and the plug screw dismounting head is driven to move away from a bevel gear II along a transverse straight line, after the oil drain plug screw is screwed down and removed, engine oil directly flows into the oil collecting funnel and flows out through an oil pipe at the bottom of the oil collecting funnel, and the oil pipe is directly communicated with an engine oil recovery and storage device.
The invention has the beneficial effects that: the transmission system adopts a bevel gear transmission pair and a gear-rack transmission pair, a driving motor II works first to drive the bevel gear transmission pair to unscrew an oil drain plug in the working process, a driving wheel bevel gear II is a pinion, a driven wheel bevel gear I is a bull gear, the driving wheel bevel gear II and the bull gear are matched to play a role in increasing torque, and the driving motor I starts to work after unscrewing the plug and drives a straight gear to drive a rack, so that the whole part of a coupling plate and a plug screw dismounting head is driven to move along a transverse straight line, the blockage of an engine oil drain oil circuit can be avoided, and the engine oil splashing caused by the impact of the engine oil and the oil drain plug screw can be reduced;
according to the invention, the transmission box body is connected with the shell through the connecting bridge, and the connecting bridge is coaxially arranged at the outer sides of the output shaft of the second driving motor and the transverse gear shaft, so that the output shaft of the second driving motor is not subjected to longitudinal load in the working process, and fracture failure is prevented.
Compared with the traditional oil drainage method adopting tools such as a hexagonal wrench and the like, the oil drainage method can adapt to the special-shaped structure of the automobile chassis, avoid the condition that the tools are inconvenient to use, improve the disassembly efficiency, adapt to high-frequency oil drainage operation, and simultaneously avoid the personal injury and pollution problems of the engine oil to operators.
Drawings
FIG. 1 is a schematic view of the screw plug removal of the present invention;
FIG. 2 is an external overall schematic view of the present invention;
FIG. 3 is a schematic structural view of a transmission case of the present invention;
FIG. 4 is a schematic transmission diagram of the detaching mechanism and the power mechanism;
FIG. 5 is a schematic structural view of a screw plug dismounting head and a longitudinal gear shaft I;
fig. 6 is a schematic structural view of the housing and the handheld grip.
Wherein, 1-rack, 2-straight gear, 3-coupling I, 4-driving motor I, 5-oil pipe, 6-plug screw dismounting head, 7-longitudinal gear shaft I, 8-bevel gear I, 9-coupling plate, 10-bearing I, 11-oil collecting funnel, 12-connecting bridge, 13-screw, 14-shell, 15-hand grip, 16-power source box, 17-permanent magnet, 18-telescopic box, 19-through groove, 20-transmission box, 21-threaded hole, 22-through hole, 23-connecting bridge tooth groove, 24-oil drain hole, 25-lining frame, 26-oil separation baffle, 27-longitudinal gear shaft II, 28-key, 29-transverse gear shaft, 30-output shaft, 31-a second driving motor, 32-a second bevel gear, 33-a second bearing, 34-a second coupling, 35-a connector, 36-a positioning boss, 37-a key groove, 38-an inner hexagonal groove, 39-a motor cavity, 40-a start-stop button and 41-a reset button.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
The hand-held dismounting device for the oil drain plug of the automobile oil pan shown in fig. 1-6 comprises a power mechanism, a dismounting mechanism and a shell assembly, wherein the dismounting mechanism comprises a plug screw dismounting head 6, a longitudinal gear shaft I7, a rack 1, a straight gear 2 and a coupling plate 9, the plug screw dismounting head 6 and the longitudinal gear shaft I7 are connected in a rotating manner, the longitudinal gear shaft I7 is assembled in the transversely arranged coupling plate 9 through a bearing I10, the end part of the coupling plate 9 is meshed with the rack 1, and the rack 1 is also meshed with the straight gear 2;
the power mechanism comprises a power source, a first driving motor 4 and a second driving motor 31, the first driving motor 4 drives and rotates the straight gear 2, an output shaft 30 of the second driving motor 31 is connected with the transverse gear shaft 29 through a second coupling 34, a second bevel gear 32 is assembled at the end part of the transverse gear shaft 29, a first longitudinal gear shaft 7 is also assembled with a first bevel gear 8 meshed with the second bevel gear 32, and the power source is used for supplying power to the first driving motor 4 and the second driving motor 31;
the casing subassembly is including holding the drive box 20 of 4 and no upper cover of detaching mechanism and driving motor, holding casing 14, collection oil funnel 11 and the oil pipe 5 of two 31 of driving motor, and is connected through a cylindric connecting bridge 12 between drive box 20 and the casing 14, just connecting bridge 12 coaxial establishing in the output shaft 30 of two 31 of driving motor and the outside of horizontal gear shaft 29, drive box 20 corresponds vertical gear shaft 7 position and is equipped with oil drain hole 24, and oil drain hole 24 with collection oil funnel 11 fixed fit connects, collection oil funnel 11 bottom directly communicates oil pipe 5.
The use method of the hand-held type automobile oil pan oil drain plug dismounting device comprises the following specific steps: firstly, the device is arranged at the bottom of an oil drain plug, a permanent magnet 17 is attached to an automobile chassis around the oil drain plug, a plug screw dismounting head 6 corresponds to the oil drain plug screw, secondly, the oil drain plug screw is screwed down by controlling a driving motor II 31, an oil drain hole 24 which is directly fixedly matched and connected with an oil collecting funnel 11 is formed in the bottom of a transmission box body 20, a driving motor I4 is controlled to rotate forwards to drive a straight gear 2 to drive a rack 1, and the whole part of a coupling plate 9 and the plug screw dismounting head 6 moves away from a bevel gear II 32 along a transverse straight line, and after the oil drain plug screw is screwed down and removed, engine oil directly flows into the oil collecting funnel 11 and flows out through an oil pipe 5 at the bottom of the oil collecting funnel 11 and is directly communicated with an engine oil recovery and storage device, such as an engine oil storage tank and the like.
In one embodiment, as shown in fig. 5, the plug screw dismounting head 6 is in scarfing connection with the longitudinal gear shaft one 7 through the positioning boss 36, so that the plug screw dismounting head 6 can be linked with the longitudinal gear shaft one 7 through the positioning boss 36 to realize synchronous rotation.
Further, the longitudinal gear shaft I7 is in transmission connection with the bevel gear I8 through a key slot 37, and the top of the plug screw dismounting head 6 is provided with an inner hexagonal groove 38 matched with an oil drain plug screw.
In one embodiment, as shown in fig. 1 and 4, the driving motor one 4 drives the longitudinal gear shaft two 27 to rotate through the coupling one 3, and the spur gear 2 is assembled on the longitudinal gear shaft two 27 through the key 28, and the invention installs and drives the spur gear 2 through the longitudinal gear shaft two 27.
In one embodiment, as shown in fig. 3 and 6, a connecting bridge tooth groove 23 and a threaded hole 21 for positioning are provided on a connecting end surface of the housing 14 and the connecting bridge 12 and a connecting end surface of the transmission case 20 and the connecting bridge 12, the connecting bridge 12 is mounted and positioned by the connecting bridge tooth groove 23 and the positioning teeth of the connecting bridge 12, and connection and fixation are completed by the threaded hole 21 and the screw 13.
In one embodiment, as shown in fig. 3, the transmission case 20 is provided with a through hole 22 corresponding to the center of the connecting bridge 12 for accommodating the transverse gear shaft 29 therethrough, the transverse gear shaft 29 is further provided with a second bearing 33 corresponding to the through hole 22, the second bearing 33 provided at the through hole 22 can provide support for the transverse gear shaft 29, stabilize the transmission mechanism, and the housing 14 is provided with a motor cavity 39 corresponding to the center of the connecting bridge 12 for accommodating the second driving motor 31.
In one embodiment, as shown in fig. 3, a bushing 25 for bearing the rack 1 and the coupling plate 9 is horizontally arranged on the inner side of the transmission case 20, an oil separation baffle 26 is further arranged between the straight gear 2 and the coupling plate 9 at the bottom of the transmission case 20, and a through groove 19 is formed in the side surface of the transmission case 20 corresponding to the movement direction of the rack 1.
In one embodiment, as shown in fig. 1, the housing assembly further includes a power source box 16 for accommodating a power source and a handheld handle 15, and the upper end and the lower end of the handheld handle 15 are respectively and fixedly connected to the housing 14 and the power source box 16, and the housing 14 and the power source box 16 are skillfully connected by the handheld handle 15, so that the fixing of the two can be realized, and a holding position can be provided for the convenience of using the present invention.
In one embodiment, as shown in fig. 2, the transmission case 20 is provided with the telescopic case 18 along the top edge thereof, and a periphery of the top of the telescopic case 18 is fixedly connected with the permanent magnet 17, so that when the transmission case 20 is used, no oil leakage gap is formed between the transmission case 20 and the oil pan through the permanent magnet 17 and the telescopic case 18, oil is prevented from splashing out, and a better oil collecting effect is achieved.
In one embodiment, the output shaft 30 of the second driving motor 31 is further provided with a connector 35 having a ring-shaped structure through a bearing, and the connector 35 is externally connected to the inner wall of the connecting bridge 12, so as to provide support and limit for the output shaft 30 of the second driving motor 31.
In one embodiment, the permanent magnet 17 is a ferromagnetic soft magnet, which can adapt to irregular automobile chassis and can not fall off due to the impact of oil discharge.
In one embodiment, the start-stop button 40 for controlling the second driving motor 31 and the reset button 41 for controlling the first driving motor 4 are additionally arranged on the handheld grip 15, so that when in use, an operator firstly presses the start-stop button 40 to control the second driving motor 31, after the screw plug is detached by the second driving motor 31 through the bevel gear transmission pair, the start-stop button 40 is released and the reset button 41 is immediately pressed, the reset button 41 can select a switch with left and right contacts, and the first driving motor 4 adopts a forward and reverse rotation motor, so that the forward and reverse rotation of the first driving motor 4 are respectively controlled through the left and right contacts of the reset button 41, for example, the operator firstly controls the first driving motor 4 to rotate forward, drives the spur gear 2 to drive the rack 1, and drives the whole part of the coupling plate 9 and the screw plug detaching head 6 to move linearly and move away from the second bevel gear 32 along the transverse direction, thereby not only preventing the oil discharge path from being blocked, the engine oil splashing caused by the impact of the engine oil and the oil drain plug can be reduced, and after the oil drain is finished, the first driving motor 4 is controlled to rotate reversely, so that the coupling plate 9 and the rack 1 are reset to prepare for the next work.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (10)
1. The handheld dismounting device for the oil drain plug of the automobile oil pan is characterized by comprising a power mechanism, a dismounting mechanism and a shell assembly, wherein the dismounting mechanism comprises a plug screw dismounting head, a longitudinal gear shaft I, a rack, a straight gear and a coupling plate;
the power mechanism comprises a power source, a first driving motor and a second driving motor, the first driving motor drives the straight gear to rotate, an output shaft of the second driving motor is connected with the transverse gear shaft through a second coupling, a second bevel gear is assembled at the end part of the transverse gear shaft, a first bevel gear meshed with the second bevel gear is also assembled on the first longitudinal gear shaft, and the power source is used for supplying power to the first driving motor and the second driving motor;
the casing subassembly is including holding the drive box body of detaching mechanism and driving motor one and no upper cover, holding casing, collection oil funnel and the oil pipe of driving motor two, and is connected through a cylindric connecting bridge between drive box body and the casing, just the coaxial outside of establishing at the output shaft of driving motor two and horizontal gear shaft of connecting bridge, the drive box body corresponds vertical gear shaft one position and is equipped with the oil drain hole, and the oil drain hole with collection oil funnel fixed fit connects, oil funnel bottom direct connection leads to oil pipe.
2. The hand-held dismounting device for the oil drain plug of the oil pan of the automobile as claimed in claim 1, wherein the plug dismounting head is embedded with the longitudinal gear shaft through a positioning boss.
3. The device for detaching the oil drain plug of the oil pan of the hand-held automobile as claimed in claim 1, wherein the first driving motor drives the second longitudinal gear shaft to rotate through the first coupling, and the spur gear is assembled on the second longitudinal gear shaft through a key.
4. The device for detaching the oil drain plug of the oil pan of the hand-held automobile according to claim 1, wherein the connecting end surface of the shell and the connecting bridge and the connecting end surface of the transmission case and the connecting bridge are respectively provided with a connecting bridge tooth socket and a threaded hole for positioning.
5. The device for detaching the oil drain plug of the oil pan of the hand-held automobile as claimed in claim 4, wherein the transmission case body is provided with a through hole corresponding to the center of the connecting bridge for allowing the transverse gear shaft to pass through, the transverse gear shaft is further provided with a second bearing corresponding to the through hole, and the shell body is provided with a motor cavity corresponding to the center of the connecting bridge for accommodating the second driving motor.
6. The device for disassembling the oil drain plug of the oil pan of the hand-held automobile according to claim 1, wherein a bushing for carrying the rack and the coupling plate is horizontally arranged at the inner side of the transmission case, an oil separation baffle is further arranged at the bottom of the transmission case between the straight gear and the coupling plate, and a through groove is formed in the side surface of the transmission case corresponding to the movement direction of the rack.
7. The device for disassembling the oil drain plug of the oil pan of the hand-held automobile according to claim 1, wherein the housing assembly further comprises a power source box for accommodating a power source and a hand grip, and the upper end and the lower end of the hand grip are respectively and fixedly connected with the housing and the power source box.
8. The device for detaching the oil drain plug of the oil pan of the hand-held automobile according to claim 1, wherein the transmission case is provided with a telescopic case sleeve along the top edge of the transmission case, and a permanent magnet is fixedly connected to the periphery of the top of the telescopic case sleeve.
9. The hand-held dismounting device for the oil drain plug of the oil pan of the automobile as claimed in claim 7, wherein the permanent magnet is a strong magnetic soft magnet.
10. The use method of the hand-held type automobile oil pan oil drain plug dismounting device according to any one of claims 1-9, is characterized by comprising the following specific steps: firstly, the device is arranged at the bottom of an oil drain plug, a plug screw dismounting head corresponds to the oil drain plug screw, secondly, the oil drain plug screw is screwed down by controlling a driving motor II, the bottom of a transmission box body is provided with an oil drain hole which is directly and fixedly matched and connected with an oil collecting funnel, then, a driving motor I is controlled to rotate forwards to drive a straight gear to drive a rack, and the whole part of a coupling plate and the plug screw dismounting head is driven to move away from a bevel gear II along a transverse straight line, after the oil drain plug screw is screwed down and removed, engine oil directly flows into the oil collecting funnel and flows out through an oil pipe at the bottom of the oil collecting funnel, and the oil pipe is directly communicated with an engine oil recovery and storage device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010994082.1A CN112157627B (en) | 2020-09-21 | 2020-09-21 | Handheld dismounting device for oil drain plug of automobile oil pan and using method of dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010994082.1A CN112157627B (en) | 2020-09-21 | 2020-09-21 | Handheld dismounting device for oil drain plug of automobile oil pan and using method of dismounting device |
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| Publication Number | Publication Date |
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| CN112157627A true CN112157627A (en) | 2021-01-01 |
| CN112157627B CN112157627B (en) | 2021-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010994082.1A Active CN112157627B (en) | 2020-09-21 | 2020-09-21 | Handheld dismounting device for oil drain plug of automobile oil pan and using method of dismounting device |
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| CN (1) | CN112157627B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112648042A (en) * | 2021-01-06 | 2021-04-13 | 衢州霞辉科技有限公司 | Oil drain pan oil drain machine |
| CN114542235A (en) * | 2022-03-09 | 2022-05-27 | 广西玉柴船电动力有限公司 | Diesel generating set convenient for engine oil replacement |
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| CN110645067A (en) * | 2019-10-28 | 2020-01-03 | 安徽字母表工业设计有限公司 | Screwing device for discharging engine oil |
| CN110700919A (en) * | 2019-10-28 | 2020-01-17 | 安徽字母表工业设计有限公司 | Automobile oil discharging equipment |
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| JP2008105129A (en) * | 2006-10-25 | 2008-05-08 | Honda Motor Co Ltd | Engaging device |
| CN103394907A (en) * | 2013-08-20 | 2013-11-20 | 哈尔滨工业大学 | High-tolerance automatic bolt mounting device |
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| CN114542235B (en) * | 2022-03-09 | 2023-03-14 | 广西玉柴船电动力有限公司 | Diesel generating set convenient for engine oil replacement |
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| CN112157627B (en) | 2021-11-12 |
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