CN110552826A - automobile oil tank change-over valve with automatic heating and manual function for delayed oil return and use method - Google Patents

automobile oil tank change-over valve with automatic heating and manual function for delayed oil return and use method Download PDF

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Publication number
CN110552826A
CN110552826A CN201910893957.6A CN201910893957A CN110552826A CN 110552826 A CN110552826 A CN 110552826A CN 201910893957 A CN201910893957 A CN 201910893957A CN 110552826 A CN110552826 A CN 110552826A
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CN
China
Prior art keywords
oil
manual
switching
gear
function
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Granted
Application number
CN201910893957.6A
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Chinese (zh)
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CN110552826B (en
Inventor
张建民
肖耀东
卢洪盛
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Yichang Automobile Technology Co Ltd
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Yichang Automobile Technology Co Ltd
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Priority to CN201910893957.6A priority Critical patent/CN110552826B/en
Publication of CN110552826A publication Critical patent/CN110552826A/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
    • F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
    • F02M31/12—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating electrically
    • F02M31/125—Fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/0011—Constructional details; Manufacturing or assembly of elements of fuel systems; Materials therefor
    • F02M37/0023—Valves in the fuel supply and return system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/0047—Layout or arrangement of systems for feeding fuel
    • F02M37/0052—Details on the fuel return circuit; Arrangement of pressure regulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/0047—Layout or arrangement of systems for feeding fuel
    • F02M37/007—Layout or arrangement of systems for feeding fuel characterised by its use in vehicles, in stationary plants or in small engines, e.g. hand held tools
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/0076—Details of the fuel feeding system related to the fuel tank
    • F02M37/0088—Multiple separate fuel tanks or tanks being at least partially partitioned

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Details Of Gearings (AREA)

Abstract

The invention provides an automobile oil tank change-over valve with automatic heating and manual function delayed oil return and a use method thereof, wherein two first oil ducts are fixedly arranged in parallel in a shell through a top cover, the bottom ends of the two first oil ducts are connected with a second oil duct with two oil branches, a movable valve plate for oil path switching is respectively arranged between each group of first oil ducts and two corresponding second oil ducts, the movable valve plate is matched with a static valve plate, the static valve plate is arranged at the top of the second oil duct through a sealing gasket, and the movable valve plate is connected with a shifting fork for driving the movable valve plate to rotate and change direction; the shifting fork is connected with a power device which is used for providing reversing power and driving the shifting fork to rotate through a gear transmission mechanism, and the gear transmission mechanism is connected with a manual switching mechanism which is used for switching working modes. The automatic switching between the manual mode and the automatic mode can be realized, the delayed oil return function is achieved through the control circuit, and meanwhile the heating function is achieved.

Description

automobile oil tank change-over valve with automatic heating and manual function for delayed oil return and use method
Technical Field
The invention belongs to the field of automobile oil tank parts, and particularly relates to an automobile oil tank change-over valve with a time-delay oil return function and a use method thereof.
background
CN106917707A discloses an automobile oil tank change-over valve with a time-delay oil return function and an operation method, wherein the change-over valve adopts an automatic control mode, can automatically switch between two oil tanks with different labels of a diesel vehicle, and further improves the switching efficiency.
The change-over valve adopts a plane cam and a push rod mode to realize on-off reversing of an oil path, and the reversing can be realized only in an electric mode, so that manual and automatic switching cannot be realized; in addition, the seed changing valve cannot heat the oil way; and the original conversion valve adopts a threaded connection mode between oil pipes, so that the connection process between the oil pipes is relatively complicated.
disclosure of Invention
in order to solve the technical problems, the invention provides the automobile oil tank change-over valve with the automatic heating manual function and the delayed oil return function, the change-over valve can realize the automatic switching between the manual mode and the automatic mode, the delayed oil return function is realized through a control circuit, the change-over valve has the heating function, the oil pipes are connected by adopting an anti-dismounting buckle structure, and the convenience of connection is improved.
In order to achieve the technical features, the invention is realized as follows: the automobile oil tank change-over valve with the automatic heating and manual function delayed oil return comprises a shell, wherein two first oil ducts are fixedly arranged in the shell in parallel through a top cover, the bottom ends of the two first oil ducts are connected with second oil ducts with two oil branches, a movable valve plate for oil path switching is arranged between each group of first oil ducts and the two corresponding second oil ducts respectively, the movable valve plate is matched with a static valve plate, the static valve plate is arranged at the top of the second oil ducts through a sealing gasket, and the movable valve plate is connected with a shifting fork for driving the static valve plate to rotate and change direction; the shifting fork is connected with a power device which is used for providing reversing power and driving the shifting fork to rotate through a gear transmission mechanism, and the gear transmission mechanism is connected with a manual switching mechanism which is used for switching working modes.
The power device comprises a motor, the motor is fixed on the inner wall of the top cover through a motor mounting plate, a motor shaft of the motor is provided with driving gears of a gear transmission mechanism in a sliding fit mode, a gear support is arranged between the two driving gears, the bottom end of the motor shaft is positioned on a positioning hole of a pressing plate, the pressing plate is arranged on a shifting fork mounting seat of a first oil duct, the top of the shifting fork is matched with the top cover, and the bottom of the shifting fork is in positioning fit with the shifting fork mounting seat through a sealing ring; the two motors are respectively connected with the main controller through the motor drivers and control the conversion time interval of the two motors, so that the function of delaying oil return is achieved.
The gear transmission mechanism comprises a driving gear matched on a motor shaft through a sliding key, and the driving gear is in meshing transmission with a driven gear arranged on the shifting fork; the driving gear and the driven gear are in separable meshing transmission through a manual switching mechanism.
the manual switching mechanism comprises a manual shaft, the manual shaft is arranged between the top cover and a gear bracket of the power device in a sliding fit manner, the bottom end of the manual shaft is fixedly connected with the gear bracket through a nut, the tail end of the bottom end of the manual shaft can be in contact fit with a microswitch arranged in the shell, and the microswitch is connected with a main controller of the power device through a signal line and controls the action of a motor; the top of the manual shaft is sleeved with a handle, the top end of the manual shaft is provided with a pull ring, and the handle is arranged at the top of the top cover through a dustproof cover; and a spring is arranged on the manual shaft and between the motor mounting plate and the gear bracket.
The heater is arranged in the second oil duct and connected with the heating control system, and the heating control system automatically controls the heating temperature and the starting time of the heater through the PTC element.
The first oil duct and the second oil duct are respectively connected with a joint through an anti-disassembly buckle structure;
the anti-disassembly buckle structure comprises symmetrically arranged jacks machined on the first oil duct; the first oil duct is connected with a connector through a bayonet pin penetrating through the jack, and the bayonet pin is matched with a clamping groove formed in the connector.
The two ends of one side of the bayonet lock matched with the clamping groove are respectively provided with a first elastic sheet structure and a second elastic sheet structure, and then the stopping structure of the bayonet lock is formed.
the middle width dimension f of the middle part of the bayonet lock is equal to the width dimension a of the insertion hole.
The size of the first elastic sheet structure exceeding the end face of the bayonet lock in a normal popping state is b, the size of the first elastic sheet structure exceeding the end face of the bayonet lock in the normal popping state is c, the size of the second elastic sheet structure exceeding the end face of the bayonet lock in the normal popping state is d, the size of the second elastic sheet structure exceeding the end face of the bayonet lock in the normal popping state is e, wherein b is less than or equal to c, and d is less than or equal to e.
the use method of any one of the automobile oil tank change-over valves with automatic heating and manual function delayed oil return functions comprises the steps that the main controller controls the two motors to rotate, the motors drive the gear transmission mechanism, the gear transmission mechanism drives the shifting fork, and the shifting fork is driven to rotate 180 degrees, so that the change-over of the three-way valve is completed; in the conversion process, the oil inlet channel three-way valve is converted firstly, then the oil return channel three-way valve is converted, and the conversion time interval of the two motors is controlled by the main controller to achieve the function of delaying oil return;
The heating temperature and the starting time of the heater are automatically controlled by the PTC element by controlling the heating control system;
The specific operation of switching from the automatic switching mode to the manual switching mode is as follows:
1) Opening the dust cover, taking out the handle, lifting the pull ring, and pressing the manual shaft;
2) In the process of pressing down the manual shaft, the gear bracket is driven to move downwards, and the driving gear is synchronously driven to slide along the motor shaft, so that the driving gear is disengaged from the driven gear;
3) The bottom end surface of the manual shaft is contacted with and presses the microswitch, and then the power supply of the main controller and the motor is cut off;
4) sleeving a handle on the top of the shifting fork, and respectively rotating the shifting forks of the two three-way valves to realize the conversion of two oil inlet and return flows so as to realize the switching from an automatic conversion mode to a manual conversion mode;
The specific operation of switching from the manual conversion mode to the automatic conversion mode is as follows:
1) the pull ring is lifted and pulled, and the manual shaft is driven to move upwards through the pull ring;
2) The manual shaft drives the gear bracket to move upwards, so that the driving gear is driven to move upwards along the motor shaft, and the driving gear and the driven gear are in meshing transmission again;
3) The handle and the pull ring are recovered, and the power supply of the main controller and the power supply of the motor are automatically recovered through the microswitch;
4) The two motors are controlled to rotate by the main controller, and finally, the two oil inlet and return circuits are switched, so that the switching from a manual switching mode to an automatic switching mode is realized.
the invention has the following beneficial effects:
1. can realize the automatic switch-over between manual mode and the automatic mode between this change-over valve to reach the function of time delay oil return through control circuit, it has the heating function simultaneously, adopts the anti-disassembly buckle structure to connect between the oil pipe moreover, has improved the convenience of connecting.
2. through the power device, in the working process, the main controller controls the two motors to rotate, the motors drive the gear transmission mechanism, the gear transmission mechanism drives the shifting fork, and the shifting fork is driven to rotate 180 degrees, so that the conversion of the three-way valve is completed; in the conversion process, the oil inlet channel three-way valve is converted firstly, the oil return channel three-way valve is converted later, and the conversion time interval of the two motors is controlled by the main controller to achieve the function of delaying oil return.
3. the gear transmission mechanism can transmit the power of the power device to the shifting fork, so as to drive the shifting fork to rotate, and the oil circuit conversion function is realized.
4. Can realize the meshing between driving gear and the driven gear through foretell manual switching mechanism and break away from, and then realize the automatic switch-over between manual switching mode and the automatic switching mode, at concrete switching-over in-process, can drive gear bracket through the manual axle, and then drive the driving gear through gear bracket and slide along the motor shaft, and then realize the meshing and the disconnection between its and the driven gear, play the effect of clutch.
5. Through adopting the anti-dismantling buckle structure of the structure, the quick plug-in mounting butt joint between the pipeline and the joint can be realized, the structure is simple, the assembly is convenient, the pipeline and the joint can not fall off after the assembly, the reliability is good, meanwhile, the pipeline and the joint can not be dismantled by adopting a non-violent means after the assembly, and the connection safety is ensured.
6. The bayonet lock through above-mentioned structure can realize the butt joint between joint and the pipeline, and the first shell fragment structure and the second shell fragment structure that lie in its inboard both ends after the butt joint moreover can be automatic open, and then cooperate with the pipe wall of the draw-in groove position of treating connecting tube, play the purpose of stopping.
7. Through the anti-dismantling buckle structure with the structure, in the assembling process, the connector only needs to be inserted into the to-be-connected pipeline, then the bayonet lock is inserted into the jack and matched with the clamping groove of the connector, and the connector is limited in the to-be-connected pipeline.
Drawings
The invention is further illustrated by the following figures and examples.
FIG. 1 is a front cross-sectional view of the present invention.
fig. 2 is a left side sectional view of the present invention.
Fig. 3 is an explosion disassembly structure diagram of the anti-disassembly buckle structure of the invention.
Fig. 4 is a sectional view of the anti-detach snap structure of the present invention.
FIG. 5 is a cross-sectional view of the bayonet of the present invention.
Fig. 6 is a rendering view of a first view angle of the anti-detachment buckle structure of the present invention.
Fig. 7 is a rendering view of a second perspective of the anti-detachment buckle structure of the present invention.
in the figure: the anti-disassembly device comprises a joint 1, an anti-disassembly buckle structure 2, a dust cover 3, a first oil duct 4, a top cover 5, a shifting fork 6, a main controller 7, a driven gear 8, a sealing ring 9, a pressing plate 10, a movable valve plate 11, a static valve plate 12, a sealing gasket 13, a second oil duct 14, a shell 15, a pull ring 16, a handle 17, a manual shaft 18, a motor mounting plate 19, a screw 20, a spring 21, a driving gear 22, a motor shaft 23, a nut 24, a gear bracket 25, a microswitch 26 and a heater 27.
Detailed Description
embodiments of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1-2, an automobile oil tank change-over valve with automatic heating and manual function delayed oil return comprises a shell 15, wherein two first oil ducts 4 are fixedly installed in the shell 15 in parallel through a top cover 5, the bottom ends of the two first oil ducts 4 are connected with second oil ducts 14 with two oil branches, a movable valve plate 11 for oil path switching is respectively arranged between each group of first oil ducts 4 and the two corresponding second oil ducts 14, the movable valve plate 11 is matched with a static valve plate 12, the static valve plate 12 is installed at the top of the second oil ducts 14 through a sealing gasket 13, and the movable valve plate 11 is connected with a shifting fork 6 for driving the movable valve plate to rotate and change direction; the shifting fork 6 is connected with a power device which is used for providing reversing power and driving the shifting fork to rotate through a gear transmission mechanism, and the gear transmission mechanism is connected with a manual switching mechanism which is used for switching working modes. Can realize the automatic switch-over between manual mode and the automatic mode between this change-over valve to reach the function of time delay oil return through control circuit, it has the heating function simultaneously, adopts the anti-disassembly buckle structure to connect between the oil pipe moreover, has improved the convenience of connecting.
Further, the power device comprises a motor, the motor is fixed on the inner wall of the top cover 5 through a motor mounting plate 19, a motor shaft 23 of the motor is provided with a driving gear 22 of a gear transmission mechanism in a sliding fit manner, a gear bracket 25 is arranged between the two driving gears 22, the bottom end of the motor shaft 23 is positioned on a positioning hole of a pressing plate 10, the pressing plate 10 is arranged on a shifting fork mounting seat of the first oil duct 4, the top of the shifting fork 6 is matched with the top cover 5, and the bottom of the shifting fork 6 is in positioning fit with the shifting fork mounting seat through a sealing ring 9; the two motors are respectively connected with the main controller 7 through motor drivers and control the conversion time interval of the two motors, so that the function of delaying oil return is achieved. Through the power device, in the working process, the main controller 7 controls the two motors to rotate, the motors drive the gear transmission mechanism, the gear transmission mechanism drives the shifting fork 6, and the shifting fork 6 is driven to rotate 180 degrees, so that the conversion of the three-way valve is completed; in the conversion process, the oil inlet channel three-way valve is converted firstly, the oil return channel three-way valve is converted later, and the conversion time interval of the two motors is controlled by the main controller 7 to achieve the function of delaying oil return.
further, the gear transmission mechanism comprises a driving gear 22 matched on a motor shaft 23 through a sliding key, and the driving gear 22 is in meshing transmission with a driven gear 8 arranged on the shifting fork 6; the driving gear 22 and the driven gear 8 are in separable meshing transmission through a manual switching mechanism. The gear transmission mechanism can transmit the power of the power device to the shifting fork 6, so as to drive the shifting fork to rotate, and the oil circuit conversion function is realized.
Further, the manual switching mechanism comprises a manual shaft 18, the manual shaft 18 is arranged between the top cover 5 and a gear bracket 25 of the power device in a sliding fit manner, the bottom end of the manual shaft 18 is fixedly connected with the gear bracket 25 through a nut 24, the tail end of the bottom end of the manual shaft 18 can be in contact fit with a micro switch 26 installed inside the shell 15, and the micro switch 26 is connected with a main controller 7 of the power device through a signal line and controls the action of the motor; the top of the manual shaft 18 is sleeved with a handle 17, the top end of the manual shaft is provided with a pull ring 16, and the handle 17 is arranged on the top of the top cover 5 through the dustproof cover 3; a spring 21 is provided on the manual shaft 18 at a position between the motor mounting plate 19 and the gear bracket 25. Through foretell manual switching mechanism can realize the meshing between driving gear 22 and the driven gear 8 and break away from, and then realize the automatic switch-over between manual conversion mode and the automatic conversion mode, at concrete switching-over in-process, can drive gear bracket 25 through manual axle 18, and then drive driving gear 22 through gear bracket 25 and slide along the motor shaft, and then realize its and driven gear 8 between meshing and the disconnection, play the effect of clutch.
Further, a heater 27 is arranged inside the second oil passage 14, and the heater 27 is connected with a heating control system which automatically controls the heating temperature and the heater on-time through a PTC element. The heater 27 is arranged to automatically heat the oil, and meanwhile, the PTC element is connected with the temperature control system, so that the temperature can be automatically controlled, and the purpose of keeping constant temperature is achieved.
Example 2:
as shown in fig. 3 to 7, the first oil passage 4 and the second oil passage 14 are respectively connected with a joint 1 through a detachment prevention buckle structure 2; the anti-disassembly buckle structure 2 comprises symmetrically arranged jacks 28 machined on the first oil passage 4; the joint 1 is connected to the first oil channel 4 by a locking pin 29 which passes through the insertion hole 28, and the locking pin 29 is matched with a locking groove 30 arranged on the joint 1. Through the anti-dismantling buckle structure 2 with the structure, the quick connection between the joint 1 and the first oil duct 4 can be realized, the connection efficiency is further improved, and the connection reliability is ensured.
furthermore, the two ends of the side where the bayonet 29 is matched with the bayonet 30 are respectively provided with a first elastic sheet structure 31 and a second elastic sheet structure 32, so as to form a retaining structure of the bayonet 29. Through foretell first shell fragment structure 31 and second shell fragment structure 32 at the cartridge in-process, it can be automatic compressed, and then the convenient jack that inserts first oil duct 4, after the equipment is accomplished it can be at elasticity automatic re-setting down, and then be in the state of opening, makes its and the inner wall of first oil duct 4 contact the cooperation to form the stopping structure, prevent that it from droing.
Further, the central width dimension f of the middle portion of the latch 29 is equal to the insertion hole width dimension a of the insertion hole 28. The dimensions described above ensure that the bayonet 29 can be passed through the socket 28 without problems.
Further, the dimension of the first elastic sheet structure 31 exceeding the end face of the bayonet 29 in the normal pop-up state is b, the dimension of the first elastic sheet structure 31 and the bayonet 29 between the elastic deformation grooves is c, the dimension of the second elastic sheet structure 32 exceeding the end face of the bayonet 29 in the normal pop-up state is d, the dimension of the second elastic sheet structure 32 and the elastic deformation grooves between the bayonet 29 is e, wherein b is not less than c, and d is not less than e. Through the size fit relation, the first elastic sheet structure 31 and the second elastic sheet structure 32 are ensured to smoothly pass through the jack 28 after being elastically deformed and contracted, and can automatically recover to the original shape after passing through the jack, and then are popped out, so that a retaining structure is formed.
The anti-dismantling buckle structure 2 with the structure has the following specific use process:
when the joint 1 needs to be assembled, after the joint 1 is inserted into the first oil channel 4, the bayonet lock 29 is installed along the insertion hole 28, the insertion direction is the same as the die drawing direction a of the die forming process of the insertion hole 28, when the bayonet lock 29 is designed, b is not less than c, d is not less than e, and in the installation process, the first elastic sheet structure 31 and the second elastic sheet structure 32 at the positions of b and d are sequentially compressed and deformed by utilizing the elastic deformation capacity of the bayonet lock, so that the bayonet lock can be smoothly installed; after the oil pipe is completely installed, the plastic structure is restored to the original state, the retaining planes at the positions of the first elastic sheet structure 31 and the second elastic sheet structure 32 are clamped on the inner walls at the two sides of the first oil passage 4 and cannot fall off, and the non-violent means cannot be removed.
example 3:
According to the using method of any automobile oil tank change-over valve with automatic heating and manual function time-delay oil return, the main controller 7 controls the two motors to rotate, the motors drive the gear transmission mechanism, the gear transmission mechanism drives the shifting fork 6, and the shifting fork 6 is driven to rotate 180 degrees, so that the change-over of the three-way valve is completed; in the conversion process, the oil inlet channel three-way valve is converted firstly, then the oil return channel three-way valve is converted, and the conversion time interval of the two motors is controlled by the main controller 7 to achieve the function of delaying oil return;
The heating temperature and the on time of the heater 27 are automatically controlled by the PTC element by controlling the heating control system;
Example 4:
The specific operation of switching from the automatic switching mode to the manual switching mode is as follows:
1) opening the dust cap 3, taking out the handle 17, lifting the pull ring 16, and pressing the manual shaft 18;
2) in the process of pressing down the manual shaft 18, the gear bracket 25 is driven to move downwards, and the driving gear 22 is synchronously driven to slide along the motor shaft 23, so that the driving gear 22 is disengaged from the driven gear 8;
3) The bottom end surface of the manual shaft 18 is contacted with and presses the microswitch 26, and then the power supply of the main controller 7 and the motor is cut off;
4) Sleeving a handle 17 on the top of the shifting fork 6, and respectively rotating the shifting forks 6 of the two three-way valves to realize the conversion of two oil inlet and return flows so as to realize the switching from an automatic conversion mode to a manual conversion mode;
Example 5:
the specific operation of switching from the manual conversion mode to the automatic conversion mode is as follows:
1) Pulling the pull ring 16, and driving the manual shaft 18 to move upwards through the pull ring 16;
2) The manual shaft 18 drives the gear bracket 25 to move upwards, further drives the driving gear 22 to move upwards along the motor shaft 23, and enables the driving gear 22 and the driven gear 8 to be in meshing transmission again;
3) The handle 17 and the pull ring 16 are recovered, and the power supply of the main controller 7 and the motor is automatically recovered through a microswitch 26;
4) The main controller 7 controls the two motors to rotate, and finally, the two oil inlet and return circuits are switched, so that the manual switching mode is switched to the automatic switching mode.

Claims (10)

1. The utility model provides a take car oil tank change-over valve of manual function time delay oil return of self-heating which characterized in that: the oil passage switching device comprises a shell (15), wherein two first oil passages (4) are fixedly arranged in the shell (15) in parallel through a top cover (5), the bottom ends of the two first oil passages (4) are connected with second oil passages (14) with two oil branches, a movable valve plate (11) for oil passage switching is arranged between each group of first oil passages (4) and the two corresponding second oil passages (14), the movable valve plate (11) is matched with a static valve plate (12), the static valve plate (12) is arranged at the top of the second oil passages (14) through a sealing gasket (13), and the movable valve plate (11) is connected with a shifting fork (6) for driving the movable valve plate to rotate and switch; the shifting fork (6) is connected with a power device which is used for providing reversing power and driving the shifting fork to rotate through a gear transmission mechanism, and the gear transmission mechanism is connected with a manual switching mechanism which is used for switching working modes.
2. The automobile oil tank change-over valve with the automatic heating and manual function delayed oil return function as claimed in claim 1, wherein: the power device comprises a motor, the motor is fixed on the inner wall of the top cover (5) through a motor mounting plate (19), a motor shaft (23) of the motor is provided with a driving gear (22) of a gear transmission mechanism in a sliding fit mode, a gear support (25) is arranged between the two driving gears (22), the bottom end of the motor shaft (23) is positioned on a positioning hole of a pressing plate (10), the pressing plate (10) is arranged on a shifting fork mounting seat of a first oil duct (4), the top of a shifting fork (6) is matched with the top cover (5), and the bottom of the shifting fork (6) is in positioning fit with the shifting fork mounting seat through a sealing ring (9); the two motors are respectively connected with the main controller (7) through motor drivers and control the conversion time interval of the two motors, so that the function of delaying oil return is achieved.
3. the automobile oil tank switching valve with the automatic heating and manual function delayed oil return function according to claim 1 or 2, characterized in that: the gear transmission mechanism comprises a driving gear (22) matched on a motor shaft (23) through a sliding key, and the driving gear (22) is in meshing transmission with a driven gear (8) arranged on the shifting fork (6); the driving gear (22) and the driven gear (8) are in separable meshing transmission through a manual switching mechanism.
4. The automobile oil tank change-over valve with the automatic heating and manual function delayed oil return function as claimed in claim 1, wherein: the manual switching mechanism comprises a manual shaft (18), the manual shaft (18) is arranged between the top cover (5) and a gear bracket (25) of the power device in a sliding fit mode, the bottom end of the manual shaft (18) is fixedly connected with the gear bracket (25) through a nut (24), the tail end of the bottom end of the manual shaft (18) can be in contact fit with a microswitch (26) installed inside the shell (15), and the microswitch (26) is connected with a main controller (7) of the power device through a signal line and controls the action of a motor; the top of the manual shaft (18) is sleeved with a handle (17), the top end of the manual shaft is provided with a pull ring (16), and the handle (17) is arranged on the top of the top cover (5) through the dustproof cover (3); and a spring (21) is arranged on the manual shaft (18) and between the motor mounting plate (19) and the gear bracket (25).
5. the automobile oil tank change-over valve with the automatic heating and manual function delayed oil return function as claimed in claim 1, wherein: the heater (27) is arranged in the second oil channel (14), the heater (27) is connected with a heating control system, and the heating control system automatically controls the heating temperature and the opening time of the heater through a PTC element.
6. The automobile oil tank change-over valve with the automatic heating and manual function delayed oil return function as claimed in claim 1, wherein: the first oil duct (4) and the second oil duct (14) are respectively connected with a joint (1) through an anti-disassembly buckle structure (2);
The anti-disassembly buckle structure (2) comprises symmetrically arranged jacks (28) machined on the first oil channel (4); the joint (1) is connected to the first oil channel (4) through a clamping pin (29) penetrating through the insertion hole (28), and the clamping pin (29) is matched with a clamping groove (30) formed in the joint (1).
7. The automobile oil tank change-over valve with the automatic heating and manual function delayed oil return function as claimed in claim 6, wherein: the two ends of one side, matched with the clamping groove (30), of the clamping pin (29) are respectively provided with a first elastic sheet structure (31) and a second elastic sheet structure (32), and then a stopping structure of the clamping pin (29) is formed.
8. the automobile oil tank change-over valve with the automatic heating and manual function delayed oil return function as claimed in claim 6, wherein: the middle width dimension f of the middle part of the clamping pin (29) is equal to the width dimension a of the insertion hole (28).
9. The automobile oil tank change-over valve with the automatic heating and manual function delayed oil return function as claimed in claim 6, wherein: the size of the first elastic sheet structure (31) exceeding the end face of the bayonet lock (29) in a normal popping state is b, the size of the elastic deformation groove between the first elastic sheet structure (31) and the bayonet lock (29) is c, the size of the second elastic sheet structure (32) exceeding the end face of the bayonet lock (29) in a normal popping state is d, the size of the elastic deformation groove between the second elastic sheet structure (32) and the bayonet lock (29) is e, wherein b is not less than c, and d is not less than e.
10. the use method of the automotive tank switching valve with automatic heating and manual function delayed oil return function as claimed in any one of claims 1 to 9, is characterized in that:
the main controller (7) controls the two motors to rotate, the motors drive the gear transmission mechanism, the gear transmission mechanism drives the shifting fork (6), and the shifting fork (6) is driven to rotate 180 degrees, so that the conversion of the three-way valve is completed; in the conversion process, the oil inlet channel three-way valve is converted firstly, then the oil return channel three-way valve is converted, and the conversion time interval of the two motors is controlled by the main controller (7) to achieve the function of delaying oil return;
The heating temperature and the starting time of the heater (27) are automatically controlled by the PTC element through controlling a heating control system;
The specific operation of switching from the automatic switching mode to the manual switching mode is as follows:
1) opening the dust cover (3), taking out the handle (17), lifting the pull ring (16), and pressing the manual shaft (18);
2) in the process of pressing down the manual shaft (18), the gear bracket (25) is driven to move downwards, and the driving gear (22) is synchronously driven to slide along the motor shaft (23), so that the driving gear (22) is disengaged from the driven gear (8);
3) The bottom end surface of the manual shaft (18) is contacted with and presses the microswitch (26) to cut off the power supply of the main controller (7) and the motor;
4) sleeving a handle (17) on the top of the shifting fork (6), and respectively rotating the shifting forks (6) of the two three-way valves to realize the conversion of two oil inlet and return modes so as to realize the switching from an automatic conversion mode to a manual conversion mode;
the specific operation of switching from the manual conversion mode to the automatic conversion mode is as follows:
1) The pull ring (16) is lifted, and the manual shaft (18) is driven to move upwards through the pull ring (16);
2) the manual shaft (18) drives the gear bracket (25) to move upwards, further drives the driving gear (22) to move upwards along the motor shaft (23), and enables the driving gear (22) and the driven gear (8) to be in meshing transmission again;
3) the handle (17) and the pull ring (16) are restored, and the power supply of the main controller (7) and the motor is automatically restored through the microswitch (26);
4) The two motors are controlled to rotate by the main controller (7), and finally, the two oil inlet and return circuits are switched, so that the switching from a manual switching mode to an automatic switching mode is realized.
CN201910893957.6A 2019-09-20 2019-09-20 Automobile oil tank switching valve with automatic heating and manual function and delayed oil return function and use method Active CN110552826B (en)

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CN111305986A (en) * 2020-04-07 2020-06-19 瑞立集团瑞安汽车零部件有限公司 Double-motor delay oil return conversion valve
CN113236432A (en) * 2020-02-23 2021-08-10 高锦 Accurate quantitative oil injection device for diesel engine fuel system

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