CN112031892B

CN112031892B - Device for replacing engine oil of automobile engine

Info

Publication number: CN112031892B
Application number: CN202010937715.5A
Authority: CN
Inventors: 张全逾
Original assignee: Chengde Petroleum College
Current assignee: Wuhan Zhongshenghe Automotive Parts Manufacturing Co.,Ltd.
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-10-08
Anticipated expiration: 2040-09-09
Also published as: CN112031892A

Abstract

The invention relates to the technical field of engine oil replacement of automobile engines, in particular to a device for replacing engine oil of an automobile engine, which comprises a bottom plate, a dust removal box, a collecting box and an engine oil cover, wherein an oil collection bucket with the height capable of being adjusted in a telescopic mode is arranged at the top of the collecting box, a rotating mechanism is arranged on the right side of the oil collection bucket, the dust removal box is arranged on the left side of the collecting box, an air inlet pipe is arranged on the left side of the top of the collecting box and is connected with a ventilation pump in parallel, an air outlet of the air pump is connected to the lower portion of a second filter plate and an oil absorption net in the dust removal box through an air outlet pipe, and the top of the dust removal box is connected with an air pipe and is connected with an engine oil filling port through the engine oil cover. The device simple structure can prevent that machine oil from splashing everywhere, has improved the discharge rate of old and useless machine oil, can also clear up the lateral wall of engine machine oil storage box simultaneously, has improved the purity after machine oil is changed, has prolonged the life-span of engine use, and the practicality is strong.

Description

Device for replacing engine oil of automobile engine

Technical Field

The invention relates to the technical field of engine oil replacement of automobile engines, in particular to a device for replacing engine oil of an automobile engine.

Background

The engine is the power source of the automobile. Most automobile engines are heat energy power devices, which are called heat engines for short. The heat engine converts the heat energy generated by fuel combustion into mechanical energy by means of the state change of the working medium.

In order to prolong the service life of an engine and maintain the good performance of an automobile, the engine needs to be maintained and the engine oil needs to be replaced, at present, most of the engine oil in the engine is discharged by manually unscrewing a screw, the engine oil is easy to splash onto the ground around a work in the process of unscrewing the screw, the environment around the work is polluted, the engine oil is discharged by gravity, the discharging speed is slow, and the engine oil cannot be completely discharged from the engine, so that the waste engine oil in the engine cannot be completely discharged, the purity of newly added engine oil is influenced, and the service life of the engine is shortened.

Chinese patent application with publication number CN111140310A discloses a device for automobile engine oil change, including the main engine body, the upper left side of the main engine body is equipped with the recovery chamber that link up about, retrieves the chamber right side and is equipped with and retrieves the change chamber of chamber intercommunication, changes the intracavity and is equipped with the change mechanism that is used for changing seal ring, changes the chamber below and is equipped with the packing ring chamber, is equipped with the packing ring supporting mechanism that is used for retrieving the used packing ring and provides new packing ring in the packing ring intracavity. The sealing screw is unscrewed through the sleeve, oil is isolated and drained after being quickly pulled away, waste engine oil can be effectively prevented from splashing, the waste engine oil is recovered, the sealing washer which is automatically replaced by the replacing mechanism is replaced, the old washer is recovered, then the screw is screwed through the control motor, and torque can be accurately controlled. The device can avoid machine oil to spatter subaerial, and the oil extraction speed also can improve. However, the device is complicated in structure, inconvenient to operate, and requires precise fitting of the respective parts. In addition, the device adopts up to 7 control motors, and complex control programs need to be designed for coordinating the operation of the control motors. In addition, the device can not filter the machine oil of retrieving, is unfavorable for recycling.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a device for replacing the engine oil of an automobile engine, which has a simple structure, can filter the recovered engine oil, can prevent the engine oil from splashing around, improves the quality of the surrounding environment, can exhaust the waste engine oil in the engine, improves the speed of oil exhaust, improves the efficiency of engine oil replacement and the purity of the engine oil after replacement, prolongs the service life of the engine, and has high practicability.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a device for replacing engine oil of an automobile engine comprises a bottom plate, a dust removal box, a collection box and an engine oil cover, wherein the bottom end of the collection box is fixedly connected with the right side of the top end of the bottom plate, the top end of the collection box is fixedly connected with a top plate through a first screw, an oil inlet is formed in the right side of the top end of the top plate, a fixed pipe is fixedly connected to the left side of the oil inlet at the top end of the top plate, a support rod is slidably connected to the inside of the fixed pipe, a fastening screw is connected to the upper side of the front end of the fixed pipe in a threaded manner, one end, extending to the inside of the fixed pipe, of the fastening screw is contacted with the outer side wall of the support rod, a fixed plate is fixedly connected to the top end of the support rod, an oil collection bucket is fixedly connected to the right end of the fixed plate, the bottom end of the oil collection bucket is communicated with the oil inlet through a telescopic pipe, a screen plate is fixedly connected to the inside of the oil collection bucket, a rotating mechanism is embedded in the right end of the oil collection bucket, a first filter plate is fixedly connected to the interior of the collection box, the bottom end of the dust removal box is fixedly connected with the top end of the bottom plate, the dust removal box is arranged on the left side of the collection box, a second filter plate is fixedly connected inside the dust removal box, an oil suction net is fixedly connected to the bottom end of the second filter plate, an air pump is fixedly connected to the right side of the top end of the dust removal box, an output end of the air pump is connected with an air outlet pipe extending to the inside of the dust removal box, the bottom end of the air outlet pipe extends to the bottom sides of the second filter plate and the oil suction net, an air inlet pipe is connected to the input end of the air pump, one end of the air inlet pipe, far away from the air pump, is communicated with the top side inside the collection box, a through groove penetrating through the dust removal box is formed in the front end of the through groove and the bottom side inside the dust removal box, a notch is formed in the outer side of the through groove in the front end of the dust removal box, a sealing plate is arranged inside the notch, the sealing plate is in sliding fit with the notch, and the rear end of the sealing plate is fixedly connected with the front end of the dust collection box, the closing plate passes through the second screw and is connected with the dust removal case, and the left side fixedly connected with reelpipe ware on the top of dust removal case, the inside winding of reelpipe ware have the tuber pipe, and the stiff end of tuber pipe and the top side switch-on of dust removal incasement portion, the left end of machine oil lid is provided with the through-hole that transversely runs through, and the inside threaded connection of the right-hand member of through-hole has rotary joint, and rotary joint keeps away from the one end of through-hole and is connected with the tensile end of tuber pipe.

Preferably, rotary mechanism includes cylinder, rubber ring, first spliced pole, second spliced pole, sleeve and connector, the right-hand member of receipts oil fill is provided with the round hole that transversely runs through, the lateral wall of rubber ring and the inside wall fixed connection of round hole, the inside fixed connection of cylindrical lateral wall and rubber ring, cylindrical inside are provided with the circle spout, and the inside sliding connection of circle spout has the circle slider, the left end of first spliced pole and the right-hand member fixed connection of circle slider, first spliced pole extend to the one end fixedly connected with connector on cylinder right side, the right-hand member of second spliced pole and the left end fixed connection of circle slider, the second spliced pole extends to the left one end fixedly connected with sleeve of cylinder, and telescopic inside is provided with magnet.

Preferably, the rear end of the sealing plate is fixedly connected with a sealing pad, and the front end of the sealing plate is fixedly connected with a pull handle.

Preferably, the bottom side of the right end of the collecting box is fixedly connected with an oil discharge pipe communicated with the bottom side in the collecting box, and the oil discharge pipe is provided with a first valve.

Preferably, the right end of the collecting box is provided with a drain pipe communicated with the inside of the collecting box, the drain pipe is arranged on the upper side of the first filter plate, and a second valve is arranged on the drain pipe.

Preferably, the upper side of the right end of the collecting box is fixedly connected with a push handle.

Preferably, the front end of the collecting box is fixedly connected with a liquid level meter.

Preferably, the four corners of the bottom end of the bottom plate are fixedly connected with universal wheels with locking functions.

Preferably, still include rotatory nozzle, rotatory nozzle passes through the hollow tube with the through-hole that transversely runs through that the left end of machine oil lid set up and is connected, and rotatory nozzle and hollow tube homoenergetic can stretch into in the engine oil filling mouth.

(III) advantageous effects

Compared with the prior art, the invention provides a device for replacing engine oil of an automobile engine, which has the following beneficial effects:

1. this a device for automobile engine machine oil is changed, slide the height of adjusting oil receiving bucket in the inside of fixed pipe through branch, make oil receiving bucket cover in the outside of engine bottom oil discharge outlet, then screw fastening screw fixes branch, and make the muffjoint on oil discharge screw, make the spanner of connector connection rather than corresponding, rotatory spanner makes the sleeve drive oil discharge screw rotate, and unscrew the oil discharge screw, waste machine oil in the engine directly flows into the inside of receiving oil bucket, prevent that waste machine oil from discharging the in-process from splashing everywhere, spattering work around subaerial or maintenance workman's on one's body, the quality of work surrounding environment has been improved, the practicality of its use has been improved.

2. This a device for automobile engine machine oil is changed is provided with magnet through telescopic inside, can adsorb the oil drain screw that gets off in telescopic inside, prevents that the oil drain screw from dropping to the inside of receiving the oil fill, is convenient for discharge the old and useless machine oil in the engine after, with the oil drain screw spiral shell tightly in the oil drain, has shortened the time of spiral shell dress oil drain screw, has improved the efficiency that machine oil was changed.

3. This a device for automobile engine machine oil is changed, with the oil cap spiral shell dress in engine machine oil filler, the air pump passes through tuber pipe and oil cap and blows in to the engine, accelerate the speed that waste engine oil discharged in the engine, the air pump inhales to inside through flexible pipe and oil receiving bucket, accelerated the speed that oil receiving bucket internal engine oil flows to the collecting box inside, prevent to receive too much the spilling over of waste engine oil in the oil receiving bucket, simultaneously through the outside of oil receiving bucket cover at the oil discharge outlet, play the effect of certain absorption to waste engine oil in the engine, the speed of waste engine oil discharge accelerated, can make the waste engine oil clean up in the engine, improve the purity after the machine oil is changed, the life-span of extension engine use.

4. This a device for automobile engine machine oil is changed compares with the chinese patent application that publication number is CN111140310A, and the device is simpler, the production of being convenient for, also can conveniently change machine oil high-efficiently simultaneously.

5. This a device for automobile engine machine oil is changed is provided with the air pump, through breathing in and exhausting of air pump, not only can accelerate the discharge of old and useless machine oil, can also clean the lateral wall of engine machine oil storage box under rotatory nozzle's effect, has further reduced the volume of remaining of old and useless machine oil, has promoted the purity after the machine oil is changed.

6. This a device for automobile engine machine oil is changed is provided with first filter and second filter, not only can filter old and useless machine oil, can also filter the inspiratory gas of air pump to avoid preventing the inside that the impurity that contains gets into the engine in the air. In addition, the one end switch-on that the air pump was kept away from to the intake pipe is in the inside top side of collecting box in this device, and the bottom of outlet duct extends to the bottom side of second filter and oil absorption net, and these designs make old and useless machine oil can not get into the intake pipe, and the impurity that probably contains in the air in the outlet duct can not get into inside the engine yet.

7. The device for replacing the engine oil of the automobile engine is provided with the structures such as the dust collecting box, the through groove, the pull handle and the like, and can conveniently clean dust.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic top sectional view of the connection of the oil receiving hopper, the net plate and the rotary structure of the present invention;

FIG. 4 is a schematic left-side sectional view of the dust box, dust collecting box and sealing plate of the present invention;

fig. 5 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention.

In the figure: 1. a base plate; 2. a dust removal box; 3. a collection box; 4. an engine oil cover; 5. a first screw; 6. a top plate; 7. an oil inlet; 8. a fixed tube; 9. a strut; 10. fastening screws; 11. a fixing plate; 12. an oil collecting hopper; 13. a telescopic pipe; 14. a screen plate; 15. a rotation mechanism; 16. a first filter plate; 17. a second filter plate; 18. an oil suction net; 19. an air pump; 20. an air outlet pipe; 21. an air inlet pipe; 22. a through groove; 23. a dust collecting box; 24. notching; 25. a sealing plate; 26. a second screw; 27. a pipe coiling device; 28. an air duct; 29. a rotary joint; 30. a cylinder; 31. a rubber ring; 32. a first connecting column; 33. a second connecting column; 34. a sleeve; 35. a circular chute; 36. a circular slider; 37. a magnet; 38. a connector; 39. a gasket; 40. pulling a handle; 41. an oil discharge pipe; 42. a first valve; 43. a blow-off pipe; 44. a second valve; 45. a push handle; 46. a liquid level meter; 47. a universal wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-5, a device for replacing engine oil of an automobile engine comprises a bottom plate 1, a dust removing tank 2, a collecting tank 3 and an engine oil cover 4, wherein the bottom end of the collecting tank 3 is fixedly connected with the right side of the top end of the bottom plate 1, the top end of the collecting tank 3 is fixedly connected with a top plate 6 through a first screw 5, the right side of the top end of the top plate 6 is provided with an oil inlet 7, the top end of the top plate 6 is fixedly connected with a fixed pipe 8 at the left side of the oil inlet 7, the inside of the fixed pipe 8 is slidably connected with a support rod 9, the upper side of the front end of the fixed pipe 8 is in threaded connection with a fastening screw 10, one end of the fastening screw 10 extending to the inside of the fixed pipe 8 is in contact with the outer side wall of the support rod 9, the top end of the support rod 9 is fixedly connected with a fixed plate 11, the right end of the fixed plate 11 is fixedly connected with an oil collecting bucket 12, and the bottom end of the oil collecting bucket 12 is communicated with the oil inlet 7 through a telescopic pipe 13, through branch 9 in the inside slide adjusting of fixed pipe 8 receive the height of oil fill 12, make and receive oil fill 12 cover in the outside of engine bottom oil discharge port, then screw up fastening screw 10 fixes branch 9, and make sleeve 34 cover on the oil discharge screw, make connector 38 connect the spanner rather than corresponding, rotatory spanner makes sleeve 34 drive the oil discharge screw and rotates, and unscrew the oil discharge screw, waste machine oil in the engine directly flows into the inside of receiving oil fill 12, prevent that waste machine oil from discharging the in-process from splashing everywhere, spattering to work around subaerial or maintenance workman's on one's body, the quality of work surrounding environment has been improved, the practicality of its use has been improved. The inside fixedly connected with otter board 14 of oil receiving fill 12 prevents that the oil drain screw from dropping to the inside of collecting vessel. The right end of the oil collecting hopper 12 is embedded with a rotating mechanism 15, the inside of the collecting box 3 is fixedly connected with a first filter plate 16, and waste engine oil is filtered through the first filter plate 16, so that waste engine oil recovery processing is facilitated. The bottom end of the dust removal box 2 is fixedly connected with the top end of the bottom plate 1, the dust removal box 2 is arranged on the left side of the collection box 3, a second filter plate 17 is fixedly connected inside the dust removal box 2, air blown in by the air pump 19 is filtered through the second filter plate 17, impurities contained in the air are prevented from entering the interior of an engine, an oil absorption net 18 is fixedly connected to the bottom end of the second filter plate 17 and used for absorbing oil molecules contained in the air blown into the dust removal box 2 by the air pump 19, an air pump 19 is fixedly connected to the right side of the top end of the dust removal box 2, the output end of the air pump 19 is connected with an air outlet pipe 20 extending into the dust removal box 2, the bottom end of the air outlet pipe 20 extends to the bottom sides of the second filter plate 17 and the oil absorption net 18, the input end of the air pump 19 is connected with an air inlet pipe 21, one end, far away from the air pump 19, of the air inlet pipe 21 is communicated with the top side inside the collection box 3, a through groove 22 extending into the dust removal box 2 is arranged below the second filter plate 17 at the front end of the dust removal box 2, the bottom side that leads to groove 22 and dust removal case 2 inside is provided with dust collection box 23, and the front end of dust removal case 2 is provided with scarce groove 24 in the logical groove 22 outside, and the inside of scarce groove 24 is provided with sealing plate 25, sealing plate 25 and scarce groove 24 sliding fit, the rear end of sealing plate 25 and the front end fixed connection of dust collection box 23, sealing plate 25 pass through second screw 26 and be connected with dust removal case 2, the rear end fixedly connected with of sealing plate 25 seals up the pad 39, plays sealed effect, and the front end fixedly connected with of sealing plate 25 draws handle 40, is convenient for take sealing plate 25 and collection box out from dust removal case 2 is inside, handles collection box internal impurity. The left side fixedly connected with reelpipe ware 27 on the top of dust removal case 2, the inside winding of reelpipe ware 27 has tuber pipe 28, and the stiff end of tuber pipe 28 and the inside top side switch-on of dust removal case 2, the left end of machine oil lid 4 is provided with the through-hole that transversely runs through, and the inside threaded connection of the right-hand member of through-hole has rotary joint 29, and the one end that the through-hole was kept away from to rotary joint 29 is connected with the tensile end of tuber pipe 28, with machine oil lid 4 spiral shell dress on engine oil filler, air pump 19 blows to the engine through tuber pipe 28 and machine oil lid 4 for the speed of old and useless machine oil emission in the engine. Air pump 19 inhales to inside through flexible pipe 13 and oil receiving bucket 12, the speed of receiving interior machine oil of oil receiving bucket 12 to the inside flow of collecting box 3 has been accelerated, prevent to receive interior waste engine oil of oil receiving bucket 12 and too much spill over, simultaneously through receiving the outside of oil receiving bucket 12 cover at the oil discharge outlet, play the effect of certain suction to waste engine oil in the engine, the exhaust speed of waste engine oil of acceleration, can make the waste engine oil in the engine clean, improve the purity after the machine oil is changed, the life-span of extension engine use.

It should be further noted that, preferably, the rotating mechanism 15 includes a cylinder 30, a rubber ring 31, a first connecting column 32, a second connecting column 33, a sleeve 34 and a connector 38, the right end of the oil receiving bucket 12 is provided with a circular hole which transversely penetrates through, the outer side wall of the rubber ring 31 is fixedly connected with the inner side wall of the circular hole, the outer side wall of the cylinder 30 is fixedly connected with the inner side wall of the rubber ring 31, a circular sliding groove 35 is arranged inside the cylinder 30, a circular sliding block 36 is slidably connected inside the circular groove 35, the left end of the first connecting column 32 is fixedly connected with the right end of the circular sliding block 36, one end of the first connecting column 32 extending out of the right side of the cylinder 30 is fixedly connected with the connector 38, the right end of the second connecting column 33 is fixedly connected with the left end of the circular sliding block 36, one end of the second connecting column 33 extending out of the left side of the cylinder 30 is fixedly connected with the sleeve 34, and a magnet 37 is arranged inside the sleeve 34, make sleeve 34 cover on the oil drain screw of quick-witted oil casing, make connector 38 connect rather than the spanner that corresponds, rotatory spanner makes sleeve 34 drive the oil drain screw and rotates, round slider 36 slides to the right in rounding off groove 35 along with the oil drain screw simultaneously to twist off the oil drain screw, then pulling the spanner makes round slider 36 slide to the rightmost side of rounding off groove 35, increase the distance between oil drain screw and the oil drain, the waste engine oil in the engine of being convenient for flows to the inside of receiving oil fill 12, prevent that waste engine oil from assaulting the oil drain screw phenomenon that splashes to appear. Be provided with magnet 37 through the inside of sleeve 34, can adsorb the oil drain screw of twisting off in the inside of sleeve 34, prevent that the oil drain screw from dropping to the inside of receiving oil hopper 12, after having been convenient for discharged the old and useless machine oil in the engine, with the tight oil drain screw thread on the oil discharge opening, shortened the time of spiral shell dress oil drain screw, improved the efficiency that machine oil was changed. The front end fixedly connected with level gauge 46 of collecting box 3 is convenient for observe how much of used engine oil in the collecting box 3, the bottom side fixedly connected with of the right-hand member of collecting box 3 and the oil extraction pipe 41 of the inside bottom side switch-on of collecting box 3 are provided with first valve 42 on the oil extraction pipe 41, are convenient for discharge the used engine oil in the collecting box 3 to carry out recovery processing to used engine oil, the right-hand member of collecting box 3 is provided with the blow off pipe 43 with the inside switch-on of collecting box 3, and blow off pipe 43 sets up the upside at first filter 16, is provided with second valve 44 on the blow off pipe 43, is convenient for discharge the filterable impurity of used engine oil on the first filter 16, and handles in concentrated. The upper side of the right end of the collecting box 3 is fixedly connected with a push handle 45, so that the push device can move conveniently, the moving direction of the push device is controlled, the four corners of the bottom end of the bottom plate 1 are fixedly connected with universal wheels 47 with locking functions, and the device can move by rolling on the ground through the universal wheels 47.

In addition, the device also comprises a rotary spray head (not shown), the rotary spray head is connected with a through hole which is arranged at the left end of the engine oil cover 4 and transversely penetrates through the through hole through a hollow pipe, and both the rotary spray head and the hollow pipe can extend into an engine oil filling port of the engine. The length of the hollow pipe can be adjusted according to actual needs. The rotary spray head can discharge the gas conveyed by the air pipe 28 in a rotating manner, and the discharged gas in a rotating manner is diffused to the periphery and sprayed to the side wall of the engine oil storage cavity, so that the waste engine oil on the side wall can be cleaned more cleanly under the action of wind power. The rotary nozzle is the prior art and is not described in detail. In summary, the oil change device for the automobile engine is used by first placing the oil change device for the automobile engine at a desired position for use, closing the first valve 42 and the second valve 44, then the engine oil cover 4 is screwed in the engine oil filling opening of the engine, the height of the oil receiving bucket 12 is adjusted by the support rod 9 sliding in the fixed pipe 8, so that the oil receiving bucket 12 is sleeved outside the oil outlet at the bottom of the engine, then the fastening screw 10 is screwed tightly to fix the support rod 9, the sleeve 34 is sleeved on the oil drain screw, the connector 38 is connected with a spanner corresponding to the connector, the spanner is rotated to enable the sleeve 34 to drive the oil drain screw to rotate, the oil drain screw is screwed off, by providing the magnet 37 inside the sleeve 34, the unscrewed drain screw can be attracted inside the sleeve 34, and the drain screw is prevented from falling into the oil receiving bucket 12. The waste engine oil in the engine directly flows into the oil receiving hopper 12, so that the waste engine oil is prevented from splashing around in the discharging process and splashing to the ground around the work or the body of a maintenance worker. And then starting the air pump 19, blowing air into the engine by the air pump 19 through the air pipe 28 and the engine oil cover 4, and enabling the air in the engine to generate pressure on the waste engine oil so as to accelerate the discharge rate of the waste engine oil in the engine. When the rotary nozzle is installed, the gas sprayed by the rotary nozzle can also enable the side wall of the engine oil storage cavity to be cleaned more cleanly. The air pump 19 inhales air to the inside through the flexible pipe 13 and the oil receiving bucket 12, the speed of machine oil flowing to the inside of the collecting box 3 in the oil receiving bucket 12 is accelerated, the excessive overflow of the waste machine oil in the oil receiving bucket 12 is prevented, meanwhile, the oil receiving bucket 12 covers the outside of the oil discharging port, a certain absorption effect is exerted on the waste machine oil in the engine, the accelerated waste machine oil is discharged, the waste machine oil in the engine is discharged completely, after the waste machine oil in the engine is discharged completely, the wrench is pushed leftwards, the oil discharging screw is installed on the oil discharging port, the oil discharging screw is screwed tightly, the oil cover 4 is screwed down, other parts needing maintenance on the engine are replaced, and finally, new machine oil is added into the engine through the filling port in the engine.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a device for automobile engine oil changes which characterized in that: comprises a bottom plate (1), a dust removal box (2), a collection box (3) and an engine oil cover (4), wherein the bottom end of the collection box (3) is fixedly connected with the right side of the top end of the bottom plate (1), the top end of the collection box (3) is fixedly connected with a top plate (6) through a first screw (5), an oil inlet (7) is arranged on the right side of the top end of the top plate (6), the top end of the top plate (6) is fixedly connected with a fixed pipe (8) on the left side of the oil inlet (7), a support rod (9) is slidably connected inside the fixed pipe (8), a fastening screw (10) is in threaded connection with the upper side of the front end of the fixed pipe (8), one end of the fastening screw (10) extending to the inside of the fixed pipe (8) is in contact with the outer side wall of the support rod (9), a fixed plate (11) is fixedly connected with the top end of the support rod (9), and an oil collection hopper (12) is fixedly connected with the right end of the fixed plate (11), the bottom end of the oil collecting bucket (12) is communicated with an oil inlet (7) through a telescopic pipe (13), the inside of the oil collecting bucket (12) is fixedly connected with a screen plate (14), a rotating mechanism (15) is embedded in the right end of the oil collecting bucket (12), the inside of the collecting box (3) is fixedly connected with a first filter plate (16), the bottom end of the dust removing box (2) is fixedly connected with the top end of the bottom plate (1), the dust removing box (2) is arranged on the left side of the collecting box (3), the inside of the dust removing box (2) is fixedly connected with a second filter plate (17), the bottom end of the second filter plate (17) is fixedly connected with an oil absorbing net (18), the right side of the top end of the dust removing box (2) is fixedly connected with an air pump (19), the output end of the air pump (19) is connected with an air outlet pipe (20) extending to the inside of the dust removing box (2), and the bottom end of the air outlet pipe (20) extends to the bottom sides of the second filter plate (17) and the net (18), the input end of an air pump (19) is connected with an air inlet pipe (21), one end of the air inlet pipe (21), which is far away from the air pump (19), is communicated with the top side in the collection box (3), a through groove (22) which penetrates into the dust removal box (2) is arranged below a second filter plate (17) at the front end of the dust removal box (2), a dust collection box (23) is arranged at the bottom sides of the through groove (22) and the dust removal box (2), a notch (24) is arranged at the outer side of the through groove (22) at the front end of the dust removal box (2), a sealing plate (25) is arranged in the notch (24), the sealing plate (25) is in sliding fit with the notch (24), the rear end of the sealing plate (25) is fixedly connected with the front end of the dust collection box (23), the sealing plate (25) is connected with the dust removal box (2) through a second screw (26), a pipe winder (27) is fixedly connected to the left side of the top end of the dust removal box (2), and an air pipe (28) is wound in the pipe winder (27), the fixed end of the air pipe (28) is communicated with the top side inside the dust removal box (2), the left end of the engine oil cover (4) is provided with a through hole which transversely penetrates through the air pipe, the inner thread at the right end of the through hole is connected with a rotary joint (29), and one end, far away from the through hole, of the rotary joint (29) is connected with the stretching end of the air pipe (28);

the rotating mechanism (15) comprises a cylinder (30), a rubber ring (31), a first connecting column (32), a second connecting column (33), a sleeve (34) and a connector (38), the right end of the oil receiving hopper (12) is provided with a transversely-penetrating round hole, the outer side wall of the rubber ring (31) is fixedly connected with the inner side wall of the round hole, the outer side wall of the cylinder (30) is fixedly connected with the inner side wall of the rubber ring (31), a round sliding groove (35) is arranged inside the cylinder (30), a round sliding block (36) is slidably connected inside the round sliding groove (35), the left end of the first connecting column (32) is fixedly connected with the right end of the round sliding block (36), the first connecting column (32) extends to the connector (38) at one end on the right side of the cylinder (30), the right end of the second connecting column (33) is fixedly connected with the left end of the round sliding block (36), the second connecting column (33) extends to the sleeve (34) at one end on the left side of the cylinder (30), a magnet (37) is provided inside the sleeve (34).

2. The device for oil change of an automobile engine according to claim 1, wherein: the rear end of the sealing plate (25) is fixedly connected with a sealing gasket (39), and the front end of the sealing plate (25) is fixedly connected with a pull handle (40).

3. The device for oil change of the automobile engine according to claim 2, wherein: the bottom side of the right end of the collecting box (3) is fixedly connected with an oil discharge pipe (41) communicated with the bottom side in the collecting box (3), and a first valve (42) is arranged on the oil discharge pipe (41).

4. The device for oil change of an automobile engine according to claim 3, wherein: the right-hand member of collecting box (3) is provided with blow off pipe (43) with the inside switch-on of collecting box (3), and blow off pipe (43) set up the upside at first filter (16), is provided with second valve (44) on blow off pipe (43).

5. The device for oil change of the automobile engine according to claim 4, wherein: the upper side of the right end of the collecting box (3) is fixedly connected with a push handle (45).

6. The device for oil change of the automobile engine according to claim 5, wherein: the front end of the collecting box (3) is fixedly connected with a liquid level meter (46).

7. The device for oil change of an automobile engine according to claim 6, wherein: the four corners of the bottom end of the bottom plate (1) are fixedly connected with universal wheels (47) with locking functions.

8. The device for oil change of an automobile engine according to any one of claims 1 to 7, wherein: still include rotatory nozzle, rotatory nozzle with the through-hole that transversely runs through that the left end of machine oil lid (4) set up passes through the hollow tube and is connected, rotatory nozzle and hollow tube homoenergetic can stretch into in the engine oil filling mouth.