TWI769864B - Rechargeable electric oil extractor - Google Patents

Abstract

A rechargeable electric oil extractor is provided, including an oil collecting tank and an electric negative pressure generator. The oil collecting tank has an inside space and an opening. The electric negative pressure generator is disposed on the oil collecting tank. The electric negative pressure generator includes an electric pump, a rechargeable power, a sucking passage and an exhaust passage. The rechargeable power is electrically connected to the electric pump. One end of the sucking passage is connected with the inside space, another end of the sucking passage is connected with the electric pump. The exhaust passage is connected with the electric pump and outside.

Description

Rechargeable electric oil pump

The present invention relates to an oil dipper, in particular to a rechargeable electric oil dipper.

When changing the oil of the vehicle, there are two common ways of draining the oil. One is that the staff will drill into the bottom of the vehicle and open the drain screw to let the old oil flow out from the drain hole. old oil. It is understandable that the first method is too troublesome, and the staff needs to drill into the bottom of the vehicle or lift the vehicle up, while the second method is more labor-intensive, and will cause physical burden on the staff after a long time, and The suction generated by the manual type cannot be continuous for a long time, and the suction power is unstable.

Therefore, it is necessary to provide a novel and progressive rechargeable electric oil pump to solve the above problems.

The main purpose of the present invention is to provide a rechargeable electric oil pump, which can generate stable and continuous suction through the electric pump and can operate for a long time.

In order to achieve the above object, the present invention provides a rechargeable electric oil pump, comprising: an oil collecting barrel and an electric negative pressure generator. The oil collecting barrel includes an internal space and a port that communicate with each other; the electric negative pressure generator is arranged in the oil collecting barrel, and the electric negative pressure generator includes an electric pump, a rechargeable power supply, and an air extraction channel and an exhaust passage, the rechargeable power source is electrically connected to the electric pump to provide power to the electric pump, the rechargeable power source can be charged through an external power source to restore power, and one end of the exhaust passage is connected to the inner space and the other end Connected to the electric pump, one end of the exhaust passage is connected to the electric pump, and the other end is connected to the outside world; wherein, the oil collecting barrel includes a barrel body and a cover body, the cover body is covered on the barrel body, and the barrel body is The inner space is enclosed, the cover body is provided with the through opening and further includes an installation space, and the electric negative pressure generator is accommodated in the installation space.

1: Oil collection barrel

11: barrel body

12: Internal space

13: Chassis

131: Lips

14: Linking Ring

2: cover

21: port part

22: Installation space

23: Subject

231: Bottom Wall

232: Ring Sidewall

233: Cover

234: Embedded Department

235: Air tight ring

24: Connecting pipe

251: Frame

252: Through the mouth

253: Event Space

254: Float

26: Barrier

261:Limited space

27: Binding Ring

28: Fasteners

3: Electric negative pressure generator

31: Electric Pump

32: Rechargeable power supply

33: exhaust channel

34: Exhaust channel

41: Charging connector

42: Electronic display screen

43: Switch

51: Adapter

511: Head

52: Guides

521: Mouth

61: Scale

62: handle

7: Dip Tube

FIG. 1 is a perspective view of an embodiment of the present invention.

FIG. 2 is an exploded view of FIG. 1 .

FIG. 3 is a partial exploded view of an embodiment of the present invention.

4 is a side cross-sectional view of an embodiment of the present invention.

FIG. 5 is a partial enlarged view of FIG. 4 .

FIG. 6 is a schematic diagram of directly pouring out the oil body according to an embodiment of the present invention.

The following examples are only used to illustrate possible implementations of the present invention, but are not intended to limit the scope of protection of the present invention, and are described together first.

Please refer to FIG. 1 to FIG. 6 , which show an embodiment of the present invention. The rechargeable electric oil pump of the present invention includes: an oil collecting barrel 1 and an electric negative pressure generator 3 .

The oil collecting barrel 1 includes an internal space 12 and a port 21 that communicate with each other; the electric negative pressure generator 3 is installed in the oil collecting barrel 1, and the electric negative pressure generator 3 includes an electric pump 31, a charging The rechargeable power supply 32 is electrically connected to the electric pump 31 to provide power to the electric pump 31, and the rechargeable power supply 32 can be charged through an external power supply to restore power One end of the exhaust passage 33 is connected to the inner space 12, the other end is connected to the electric pump 31, one end of the exhaust passage 34 is connected to the electric pump 31, and the other end is connected to the outside world.

In actual use, the electric pump 31 sucks the inner space 12 through the air suction channel 33, so that the inner space 12 forms a negative pressure, and then a negative pressure suction force is formed on the port 21 to suck the fluid ( Such as waste oil) is sucked into the inner space 12 for storage; wherein, using the electric pump 31 as the suction mechanism can ensure that the negative pressure suction force formed is stable and controllable, and can operate for a long time, which can greatly improve the oil pumping efficiency. In addition, the rechargeable power supply 32 can be used for repeated charging, so that the rechargeable electric oil pump can be moved to a proper working position without being limited by the position of the power plug, which is quite suitable for practical needs.

In detail, the oil collecting barrel 1 includes a barrel body 11 and a cover body 2, the cover body 2 is detachably covered on the barrel body 11, the barrel body 11 encloses the inner space 12, and the cover body 2 is provided with the opening portion 21 and further includes an installation space 22, and the electric negative pressure generator 3 is accommodated in the installation space 22. In this way, when the electric negative pressure generator 3 has a problem and needs to be repaired, the user only needs to remove the cover body 2 for repair, or directly replace another cover body 2 , which is quite convenient.

Preferably, a handle 62 is provided on the cover body 2 to facilitate extraction and movement.

More specifically, the barrel body 11 is transparent, so as to facilitate the user to view the height, the color status of the waste oil, and the like. In addition, the oil collecting drum 1 further includes a chassis 13 and a connecting ring 14, the chassis 13 and the The barrel body 11 is rotatably screwed to two opposite sides of the connecting ring, and the maximum radial dimension of a lip 131 of the chassis 13 is larger than that of the barrel body 11 to provide better standing ability. In addition, a gauge 61 is provided on the barrel body 11 for more detailed volume interpretation.

In this embodiment, the cover body 2 includes a bottom wall 231 , a ring side wall 232 and a cover portion 233 , the ring side wall 232 extends laterally from the periphery of the bottom wall 231 to define the installation space 22 , and the cover portion 233 The ring side wall 232 faces the bottom wall 231 and is covered. The electric pump 31 and the rechargeable power supply 32 are detachably positioned on the bottom wall 231 respectively. The opening 21 faces the cover from the bottom wall 231 233 extends and does not communicate with the installation space 22 . The cover body 2 further includes at least two blocking walls 26 . The two blocking walls 26 define a limiting space 261 to block other elements. The rechargeable power supply 32 is accommodated in the limiting space 261 .

Furthermore, the cover body 2 further includes a main body 23 , a coupling ring 27 and at least one fastener 28 . The main body 23 includes the bottom wall 231 , the ring side wall 232 and the cover portion 233 and further includes an embedded part 234 and at least one airtight ring 235, the embedded part 234 protrudes from the side of the bottom wall 231 facing away from the cover part 233, the at least one airtight ring 235 is sleeved on the embedded part 234, and the coupling ring 27 is screwed In the barrel body 11, the embedded portion 234 is embedded in the barrel body 11, and the at least one airtight ring 235 laterally abuts against the inner wall of the barrel body 11, so that the inner space 12 is in an airtight state; One end of a fastener 28 is disposed on one of the coupling ring 27 and the main body 23 , and the other end of the at least one fastener 28 can be fastened to the other of the coupling ring 27 and the main body 23 , the coupling ring 27 The main body 23 can be abutted against to provide a supporting force to the main body 23, so that the main body 23 can be assembled stably. It can be understood that, in other embodiments, the coupling ring can also be designed to extend integrally from the barrel body.

The rechargeable electric oil pump further includes an adapter 51 detachably disposed on the cover body 2 , the adapter 51 covers and communicates with the opening, and a head 511 of the adapter 51 It is connected with a dip tube 7, so that oil can be drawn deep into the place to be sucked through the dip tube 7.

The rechargeable electric oil pump further includes a guide member 52 , the guide member 52 is detachably assembled to an end of the through port 21 away from the inner space 12 , and a mouth portion 521 of the guide member 52 protrudes from the The cover body 2 is used to guide the oil body flowing out from the through port 21 to prevent waste oil from splashing. In this embodiment, the guide member 52 is screwed on the inner wall of the opening portion 21 , and the adapter member 51 is embedded in the guide member 52 . When the user wants to pour oil, the user can directly use the adapter member. 51 can be pulled away from the guide 52 .

A communication pipe 24 is provided on the bottom wall 231, one end of the communication pipe 24 is connected to the air extraction channel 33, and the other end of the communication pipe 24 is provided with a frame body 251 and a floating ball 254 located in the inner space 12, The frame body 251 includes at least a through opening 252 and an active space 253 that communicate with each other. The other end of the communication pipe 24 communicates with the inner space 12 through the at least through opening 252 , and the floating ball 254 is movably limited to the active space. 253; wherein, when the oil body of the limiting space 261 reaches a predetermined height, the floating ball 254 can block the other end of the communication pipe 24, so that the electric pump 31 can no longer pump air to the inner space 12 and block the Negative pressure is generated. At this time, the pressure of the inner space 12 will gradually balance with the outside. When the pressure is balanced, the fluid to be sucked will no longer enter the inner space 12 through the port 21, so that the liquid level in the inner space 12 The height will not increase any further.

In this embodiment, a switch 43 is disposed on the cover 233 and is electrically connected to the electric pump 31 and the rechargeable power supply 32 , and the user can control the electric pump 31 to open and close through the switch 43 . In addition, the rechargeable electric oil pump further includes a charging connector 41 , the charging connector 41 is electrically connected to the rechargeable power source 32 , and the charging connector 41 is electrically connected to an external power source to transmit power to the rechargeable power source 32 . In addition, the rechargeable electric oil pump further includes an electronic display screen 42, the electronic display screen 42 is arranged on the oil collecting drum 1, and the electronic display screen 42 is electrically connected to the rechargeable power supply 32 to display the battery status; wherein, The charging connector 41 and the electronic display screen 42 are respectively disposed on the cover portion 233 and located on the opposite side of the rechargeable power supply 32 to shorten the wiring length.

22: Installation space

233: Cover

26: Barrier

261:Limited space

27: Binding Ring

28: Fasteners

31: Electric Pump

32: Rechargeable power supply

33: exhaust channel

34: Exhaust channel

Claims (10)

A rechargeable electric oil pump, comprising: an oil collecting barrel, which includes an inner space and a port that are connected to each other; and an electric negative pressure generator, which is arranged in the oil collecting barrel and includes an electric pump, a charging A type power supply, an air suction channel and an exhaust channel, the rechargeable power supply is electrically connected to the electric pump to provide power to the electric pump, the rechargeable power supply can be charged through an external power source to restore power, one end of the air extraction channel The inner space is communicated with the electric pump at the other end. One end of the exhaust passage is communicated with the electric pump and the other end is communicated with the outside world; wherein, the oil collecting barrel includes a barrel body and a cover body, and the cover body is located on the The barrel body surrounds the inner space, the cover body is provided with the opening portion and further includes an installation space, and the electric negative pressure generator is accommodated in the installation space. The rechargeable electric oil drainer according to claim 1, wherein the cover body is detachably covered on the barrel body. The rechargeable electric oil drainer as claimed in claim 2, wherein the cover body comprises a bottom wall, a ring side wall and a cover portion, the ring side wall extending laterally from the periphery of the bottom wall to define the installation space, and the cover A portion facing the bottom wall is covered on the side wall of the ring, the electric pump and the rechargeable power supply are respectively detachably positioned on the bottom wall, the opening portion extends from the bottom wall toward the cover portion and does not communicate with the installation space. The rechargeable electric oil dipper as claimed in claim 3, wherein a communication pipe is provided on the bottom wall, one end of the communication pipe is connected to the air extraction channel, and the other end of the communication pipe is provided with one of the inner spaces A frame body and a floating ball, the frame body includes at least a through port and an active space that communicate with each other, the other end of the communication pipe is communicated with the inner space through the at least one through port, and the floating ball is movably limited to the active space . The rechargeable electric oil pump as claimed in claim 3, wherein the cover further comprises a main body, a coupling ring and at least one fastener, the main body comprises the bottom wall, the ring side wall and the cover part and further comprises There is an embedded part and at least one airtight ring, the embedded part protrudes from the side of the bottom wall facing away from the cover part, the at least one airtight ring is sleeved on the embedded part, the coupling ring is screwed to the barrel body, the The embedded part is embedded in the barrel body, and the at least one airtight ring laterally abuts against the inner wall of the barrel body, so that the inner space is in an airtight state; wherein, one end of the at least one fastener is arranged between the coupling ring and the barrel body. One of the main bodies and the other end of the at least one fastener can be fastened to the other of the coupling ring and the main body. The rechargeable electric oil drainer as claimed in claim 1 further comprises a charging connector, the charging connector is electrically connected to the rechargeable power source, and the charging connector is electrically connected to an external power source to transmit power to the rechargeable power source. The rechargeable electric oil drainer as claimed in claim 1 further comprises an electronic display screen, the electronic display screen is arranged on the oil collecting drum, and the electronic display screen is electrically connected to the rechargeable power source to display the battery status. The rechargeable electric oil drainer according to claim 1, further comprising an adapter detachably disposed on the cover body, the adapter covers and communicates with the through port, and one of the adapters The head is for communication with a dip tube. The rechargeable electric oil drainer according to any one of claims 1 to 8, further comprising a guide piece, the guide piece being detachably assembled at an end of the opening portion away from the inner space, the guide piece being A mouth part protrudes from the cover body for guiding the oil body flowing out from the through opening part. The rechargeable electric oil pump as claimed in claim 4, wherein the cover further comprises a main body, a coupling ring and at least one fastener, the main body comprises the bottom wall, the ring side wall and the cover part and further comprises There is an embedded portion and at least one airtight ring, the embedded portion protrudes from the side of the bottom wall facing away from the cover portion, The at least one airtight ring is sleeved on the embedded portion, the coupling ring is screwed to the barrel body, the embedded portion is embedded in the barrel body, and the at least one airtight ring laterally abuts against the inner wall of the barrel body, so that the The inner space is in an airtight state; wherein, one end of the at least one fastener is set on one of the coupling ring and the main body, and the other end of the at least one fastener can be fastened to the other of the coupling ring and the main body ; The rechargeable electric oil pump further comprises a charging connector, an electronic display screen, an adapter and a guide detachably arranged on the cover body, the charging connector is electrically connected to the rechargeable power supply, and the charging The connector is electrically connected to the external power supply to transmit power to the rechargeable power supply; the electronic display screen is arranged on the oil collecting drum, and the electronic display screen is electrically connected to the rechargeable power supply to display the battery status; the adapter is covered and Connecting to the through port, a head of the adapter is for communicating with a dip tube; the guide is detachably assembled at an end of the through port away from the inner space, and a mouth of the guide protrudes The cover body is extended to guide the oil body flowing out from the through opening; the cover body further includes at least two baffle walls, the two baffle walls define a limit space for blocking other components, and the rechargeable power supply accommodates in the limited space; a switch is arranged on the cover part and is electrically connected to the electric pump and the rechargeable power supply; the charging connector and the electronic display screen are respectively arranged on the cover part and are located opposite to the rechargeable power supply Above; the guide is screwed on the inner wall of the opening, the adapter is embedded in the guide; the barrel is transparent; the oil collecting barrel further includes a chassis and a connecting ring, the chassis and the barrel The body is rotatably screwed on two opposite sides of the connecting ring, the maximum radial dimension of a lip of the chassis is larger than the maximum radial dimension of the barrel body; a gauge is arranged on the barrel body; a handle is arranged on the cover body.

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