CN112406786A - Automobile anti-theft and engine anti-water-soaking protector - Google Patents
Automobile anti-theft and engine anti-water-soaking protector Download PDFInfo
- Publication number
- CN112406786A CN112406786A CN202011541892.8A CN202011541892A CN112406786A CN 112406786 A CN112406786 A CN 112406786A CN 202011541892 A CN202011541892 A CN 202011541892A CN 112406786 A CN112406786 A CN 112406786A
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- Prior art keywords
- disc
- telescopic
- shifting fork
- central shaft
- telescopic valve
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- 238000002791 soaking Methods 0.000 title claims abstract description 11
- 230000001012 protector Effects 0.000 title claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 56
- 238000007789 sealing Methods 0.000 claims abstract description 35
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000000741 silica gel Substances 0.000 claims abstract description 29
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 29
- 210000004907 gland Anatomy 0.000 claims abstract description 13
- 238000009413 insulation Methods 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 14
- 230000003287 optical effect Effects 0.000 claims description 10
- 238000012546 transfer Methods 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 238000013461 design Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 230000003584 silencer Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 230000009545 invasion Effects 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000013475 authorization Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/20—Means to switch the anti-theft system on or off
- B60R25/25—Means to switch the anti-theft system on or off using biometry
- B60R25/252—Fingerprint recognition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
- B60R25/04—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the propulsion system, e.g. engine or drive motor
- B60R25/043—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the propulsion system, e.g. engine or drive motor by blocking the exhaust
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
- B60R25/04—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the propulsion system, e.g. engine or drive motor
- B60R25/044—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the propulsion system, e.g. engine or drive motor by limiting or blocking the air supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/08—Other arrangements or adaptations of exhaust conduits
- F01N13/085—Other arrangements or adaptations of exhaust conduits having means preventing foreign matter from entering exhaust conduit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
- F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
-
- 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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
-
- 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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/16—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines characterised by use in vehicles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention relates to a protective device for improving functions of an automobile anti-theft system and preventing water from being soaked in an engine, in particular to an automobile anti-theft and engine water-soaking protector, which consists of an inlet connecting pipe (101), an outlet connecting pipe (101), a connecting flange (102), a shell (103), a silica gel sealing ring (105), a gland (110), a rotary valve mechanism main body (201), a telescopic valve shifting fork (202), a normally open telescopic valve (203), a normally closed telescopic valve (204), a telescopic valve shifting fork dovetail slide block (206), an intermediate gear (302), a driven gear (303), a 90-degree rotary disk limiting disk (304), a 90-degree rotary disk shifting fork (305), a 90-degree rotary disk (306) and a stepping motor (312), and under the premise of not changing the pipe diameter of the automobile inlet and exhaust system and the original structure of the automobile, the aims to avoid the damage and the scrapping of the engine caused by water invasion of the automobile, the anti-theft function of the automobile is improved and enhanced.
Description
Technical Field
The invention relates to a protection device for improving functions of an automobile anti-theft system and preventing water from being soaked in an engine, in particular to an automobile anti-theft and engine water-soaking prevention protector.
Background
In recent years, with the rapid increase of the quantity of domestic automobiles, particularly household cars, convenience is brought to people for going out, and the quality of life and the happiness index are continuously improved. But at the same time, the incidents that add annoyance and economic loss to the vast owners of automobiles also occur everywhere. On the one hand, automobile theft incidents are increasing year by year. According to related aspects, 10 thousands of automobile theft cases occur every year in China, and 300 automobiles are stolen on average every day. On the other hand, countless vehicles are invaded by water every year due to urban inland inundation caused by extreme weather such as heavy rain, typhoon and the like, so that the vehicles become soaked in water, light people consume large repair cost, heavy people scrap engines, and the property of people is seriously lost.
The automobile anti-theft technology is always a popular research in the field of automobiles at home and abroad, the anti-theft technology is also developed from simple mechanical and electronic type to the remote key chip type anti-theft system which is widely applied at present, and is developed from a single steering column lock to technologies of unlocking and cutting off a circuit and an oil way without a key, simultaneously giving an alarm and the like, on the premise of ensuring the safety of the key, the automobile is relatively safe, but if an illegal person obtains the automobile key by means of cheating, robbery and the like, the automobile can still be robbed and stolen. At present, no related product is applied in the aspect of preventing water invasion of an automobile engine.
Disclosure of Invention
In order to further improve and enhance the anti-theft function of the automobile and prevent water from invading the scrapping loss of the automobile engine, the invention provides a protection device which can not start the automobile even if a key of the automobile is held by hands under the condition that a non-owner or others obtain the authorization of the owner and has the function of preventing the automobile engine from soaking water.
The invention mainly comprises a shell, a rotary valve mechanism, a transmission system and an electric control system, wherein the installation positions are respectively arranged behind an air filter of an automobile air inlet system and in front of a rear silencer at the tail end of an exhaust system, and the main function of the invention is that after the automobile is parked, when the set exhaust gas exhaust time limit of the automobile exhaust system is finished, an air inlet pipe and an exhaust pipe of an automobile engine are automatically closed, and an air inlet channel and an exhaust channel of the engine are cut off. When the vehicle runs again, the owner or an authorized person of the owner firstly starts the automobile engine air inlet and exhaust pipe by means of fingerprints or passwords, then the automobile can be started by one key or the key is used for starting the automobile, and otherwise, the automobile cannot be started even if the key is held by hands. Therefore, the invention not only can effectively prevent the engine damage accident caused by the water soaking of the automobile, but also can effectively improve and enhance the anti-theft function of the automobile, thereby ensuring that the property of people is not lost.
The invention has the advantages that the invention can achieve the purposes of avoiding the damage and the scrapping of the engine of the automobile caused by water invasion, greatly reducing the maintenance cost of the vehicle with water soaking and improving and enhancing the anti-theft function of the automobile on the premise of not changing the pipe diameter of an air inlet system and an air outlet system of the automobile and not changing the original structure of the automobile.
Drawings
The present invention will be further described with reference to the accompanying drawings and embodiments.
FIG. 1: is a schematic diagram of the internal structure and transmission system of the invention;
FIG. 2: is a schematic structural diagram of the shell of the invention;
FIG. 3: is a structural schematic diagram of a rotary valve mechanism of the invention;
FIG. 4: is a schematic view of the assembly of the rotary valve mechanism of the invention;
FIG. 5: is a schematic structural diagram of the transmission system of the invention;
FIG. 6: is a schematic assembly diagram of the transmission system of the invention;
FIG. 7: is a partial sectional overall structure schematic diagram of the invention;
FIG. 8: is a schematic diagram of the electrical control system of the invention;
FIG. 9: is a schematic view of the installation position of the invention;
in fig. 1: 101. inlet and outlet connecting pipes, 102, a connecting flange, 103, a shell, 104, a silica gel sealing ring mounting baffle ring, 105, a silica gel sealing ring, 201, a rotary valve mechanism body, 202, a telescopic valve shifting fork, 203, a normally open telescopic valve, 204, a normally closed telescopic valve, 205, a telescopic valve shifting fork dovetail rail plate, 206, a telescopic valve shifting fork dovetail slide block, 207, an upper central shaft connecting shaft fixing plate, 208, an upper central shaft, 209, a roller, 301, a driving gear, 302, an intermediate gear, 303, a driven gear, 304, a 90-degree rotary disk limiting disk, 305, a 90-degree rotary disk shifting fork, 306, a 90-degree rotary disk, 307, a 90-degree rotary disk shifting fork channel, 308 and an inner elliptical track disk.
In fig. 2: 101. the device comprises an inlet connecting pipe, an outlet connecting pipe, 102, a connecting flange, 103, a shell, 104, a silica gel sealing ring mounting baffle ring, 105, a silica gel sealing ring, 106, an inlet and outlet connecting pipe heat insulation liner pipe, 107, a heat insulation plate and a central shaft positioning plate mounting ring, 108, a gland sealing ring, 109, an inlet pipe, 110, a gland, 111, a thrust bearing, 112 and a bearing seat.
In fig. 3 and 4: 201. a rotary valve mechanism body, 202, a telescopic valve fork, 203, a normally open telescopic valve, 204, a normally closed telescopic valve, 205, a telescopic valve fork dovetail rail plate, 206, a telescopic valve fork dovetail slide block, 207, an upper central shaft connecting shaft fixing plate, 208, an upper central shaft, 209, a roller, 210, an upper heat insulation plate, 211, a telescopic valve fork positioning pin, 212, a lower heat insulation plate, 213, a lower central shaft connecting shaft fixing plate, 214, a silica gel sealing ring, 215, a normally closed telescopic valve reset linear bearing clamping seat, 216, a normally closed telescopic valve reset linear bearing, 217, a normally closed telescopic valve reset spring, 218, a normally closed telescopic valve reset optical axis, 219, a normally open telescopic valve reset elastic pin and a linear bearing mounting hole, 220, a normally open telescopic valve reset elastic pin clamping seat, 221, a normally open telescopic valve reset spring, 222, a normally open telescopic valve reset elastic pin, 223, a normally open telescopic valve reset linear bearing, 224. normally open telescopic valve resets optical axis, 225, thermal-insulated bushing pipe of rotary valve mechanism.
In fig. 5 and 6: 301. the device comprises a driving gear, 302, an intermediate gear, 303, a driven gear, 304, a 90-degree rotating disc limiting disc, 305, a 90-degree rotating disc shifting fork, 306, a 90-degree rotating disc, 307, a 90-degree rotating disc shifting fork channel, 308, an inner elliptical track disc, 309, a heat insulation plate, 310, an upper central shaft positioning plate, 311, a stepping motor mounting bracket, 312, a stepping motor, 313, an intermediate gear bearing, 314, a driven gear bearing, 315, a driven gear shaft, 316, a telescopic valve shifting fork anti-back block, 317, an inner elliptical track disc mounting disc, 318, an inner elliptical track disc mounting disc bearing, 207, an upper central shaft connecting shaft fixing plate, 208 and an upper central shaft.
In fig. 7: 101. inlet and outlet connecting pipes, 102, a connecting flange, 103, a shell, 105, a silica gel sealing ring, 110, a gland, 201, a rotary valve mechanism main body, 202, a telescopic valve shifting fork, 203, a normally open telescopic valve, 204, a normally closed telescopic valve, 206, a telescopic valve shifting fork dovetail slide block, 302, an intermediate gear, 303, a driven gear, 304, a 90-degree rotary disk limiting disk, 305, a 90-degree rotary disk shifting fork, 306, a 90-degree rotary disk, 312 and a stepping motor.
Detailed Description
FIG. 1 shows the structure of the internal and transmission system of the present invention, which is composed of a shell, a rotary valve mechanism and a transmission system. In the overall structure:
the shell part comprises an inlet connecting pipe (101), an outlet connecting pipe (101), a connecting flange (102), a shell (103), a silica gel sealing ring mounting baffle ring (104) and a silica gel sealing ring (105). The implementation mode is as follows: the inlet and outlet connecting pipes (101) are respectively welded at two ends of the shell (103); two ends of the inlet and outlet connecting pipes (101) exposed outside the shell (103) are respectively welded with a connecting flange (102); two ends of the inlet and outlet connecting pipe (101) in the shell (103) are respectively provided with a silica gel sealing ring mounting baffle ring (104); the silica gel sealing ring (105) is sleeved on the silica gel sealing ring mounting baffle ring (104) and is integrated with the inlet and outlet connecting pipe (101).
The rotary valve mechanism is composed of a rotary valve mechanism body (201), a telescopic valve shifting fork (202), a normally open telescopic valve (203), a normally closed telescopic valve (204), a telescopic valve shifting fork dovetail rail plate (205), a telescopic valve shifting fork dovetail slide block (206), an upper central shaft connecting shaft fixing plate (207), an upper central shaft (208) and a roller (209). The implementation mode is as follows: the rotary valve mechanism main body (201) is a cube structure provided with a through hole in one direction, two side vertical surfaces provided with the through hole are respectively provided with a normally open expansion valve (203), and the other two closed side vertical surfaces are also respectively provided with a normally closed expansion valve (204); telescopic valve shifting forks (202) are respectively arranged on the two normally open telescopic valves (203) and the two normally closed telescopic valves (204); an upper central shaft connecting shaft fixing plate (207) and four telescopic valve shifting fork dovetail rail plates (205) are arranged on the upper plane of the rotary valve mechanism main body (201), and the upper central shaft connecting shaft fixing plate (207) and the four telescopic valve shifting fork dovetail rail plates (205) are fixedly connected with the rotary valve mechanism main body (201) into a whole through bolts; four telescopic valve shifting fork dovetail slide blocks (206) are respectively embedded into dovetail tracks of the four telescopic valve shifting fork dovetail track plates (205) and form a slide block mechanism capable of realizing reciprocating motion under the action of external force; the outer ends of the four telescopic valve shifting fork dovetail sliding blocks (206) are respectively connected with telescopic valve shifting forks (202) through bolts, and the inner ends are respectively provided with a roller (209); an upper central shaft (208) capable of driving the rotary valve mechanism to rotate integrally is arranged on the upper central shaft connecting shaft fixing plate (207).
The transmission system is composed of a driving gear (301), an intermediate gear (302), a driven gear (303), a 90-degree rotating disc limiting disc (304), a 90-degree rotating disc shifting fork (305), a 90-degree rotating disc (306), a 90-degree rotating disc shifting fork channel (307), an inner oval track disc (308), an upper central shaft (208) and a roller (209). The implementation mode is as follows: the driving gear (301) is meshed with the intermediate gear (302) at the position of 0 degree on the axis of the intermediate gear; the driven gear (303) is meshed with the intermediate gear (302) at a 180-degree angle position on the axis of the intermediate gear; the intermediate gear (302) is arranged on the upper central shaft (208) through a bearing; a 90-degree rotating disc limiting disc (304) is mounted on the driven gear (303), and a 90-degree rotating disc shifting fork (305) is arranged on a 180-degree extension line of the driven gear; a 90-degree rotating disc (306) is arranged on the upper central shaft (208), and a 90-degree rotating disc shifting fork channel (307) is arranged on the disc surface of the upper central shaft (208) along the direction of 135-degree angle of the upper central shaft (208); the 90-degree rotating disc (306) is arranged on the upper central shaft (208), is coaxial with the intermediate gear (302) and is different from the intermediate gear, and can realize the rotation in opposite directions; the limitation of the running position of the 90-degree rotating disc (306) is realized by disc surface notch arcs arranged on the 90-degree rotating disc limiting disc (304) and the 90-degree rotating disc limiting disc; an inner elliptic orbit disc (308) which is fastened with the intermediate gear (302) through bolts to form a whole is arranged below the intermediate gear; the inner elliptical orbit of the inner elliptical orbit disk (308) is in contact with the four rollers (209), and orbital transfer operation of the four rollers (209) is realized through rotation of the inner elliptical orbit disk (308); the transmission ratio of the driving gear (301) to the intermediate gear (302) is 10: 1; the transmission ratio of the intermediate gear (302) to the driven gear (303) is 1: 2; the driving gear (301) rotates by 1800 degrees in the clockwise direction, the intermediate gear (302) and the inner elliptical orbit plate (308) rotate by 180 degrees in the anticlockwise direction, and the driven gear (303) rotates by 360 degrees in the clockwise direction; when the driving gear (301) drives the intermediate gear (302) to rotate to 70 degrees along the counterclockwise direction, the 90-degree rotating disc limiting disc (304) and the 90-degree rotating disc shifting fork (305) are driven by the driven gear (303) to rotate 140 degrees along the clockwise direction and enable the 90-degree rotating disc shifting fork (305) to enter the 90-degree rotating disc shifting fork channel (307) to start to shift the 90-degree rotating disc (306) to rotate in the counterclockwise direction, when the intermediate gear (302) rotates to 110 degrees along the counterclockwise direction from 70 degrees, the 90-degree rotating disc shifting fork (305) exits the 90-degree rotating disc shifting fork channel (307), in the process, the intermediate gear (302) rotates 40 degrees along the counterclockwise direction, the 90-degree rotating disc limiting disc (304) rotates 80 degrees along the clockwise direction, and the 90-degree rotating disc (306) rotates 90 degrees along the counterclockwise direction and drives the door mechanism to rotate 90 degrees along the counterclockwise direction; then the intermediate gear (302) continues to rotate from 110 degrees to 180 degrees along the counterclockwise direction under the driving of the driving gear (301) and stops rotating, and at the moment, the 90-degree rotating disc limiting disc (304) continues to rotate from 220 degrees to 360 degrees along the clockwise direction and stops; meanwhile, under the orbital transfer effect of an inner elliptic orbit disc (308) arranged below the intermediate gear (302), the four rollers (209) drive the dovetail slide blocks (206) of the four telescopic valve shifting forks to change the positions, so that a certain space is generated between the normally open telescopic valve (203) or the normally closed telescopic valve (204) and the silica gel sealing ring (105) which is tightly contacted to realize sealing, and the whole rotary valve mechanism can realize non-resistance rotation for 90 degrees; the driving motor selects a stepping motor with a stepping angle of 1.8 degrees, and the controller is required to output 1000 pulse signals when the controller completes the switching of a normally open state or a normally closed state every time, but the pulse signals of each time are opposite.
Fig. 2 shows a shell structure of the present invention, which is composed of an inlet and outlet connecting pipe (101), a connecting flange (102), a shell (103), a silica gel sealing ring mounting baffle ring (104), a silica gel sealing ring (105), an inlet and outlet connecting pipe heat insulation liner pipe (106), a heat insulation plate and central shaft positioning plate mounting ring (107), a gland sealing gasket (108), an inlet pipe (109), a gland (110), a thrust bearing (111), and a bearing seat (112). The implementation mode is as follows: the inlet and outlet connecting pipes (101) are respectively welded at two ends of the shell (103); two ends of the inlet and outlet connecting pipes (101) exposed outside the shell (103) are respectively welded with a connecting flange (102); two ends of the inlet and outlet connecting pipe (101) in the shell (103) are respectively provided with a silica gel sealing ring mounting baffle ring (104); the silica gel sealing ring (105) is sleeved on the silica gel sealing ring mounting baffle ring (104) and is integrated with the inlet and outlet connecting pipe (101); the inner wall of the inlet and outlet connecting pipe (101) is embedded with an inlet and outlet connecting pipe heat insulation liner pipe (106); the heat insulation plate and the central shaft positioning plate mounting ring (107) are welded at the upper part of the shell (103); a bearing seat (112) and a thrust bearing (111) are embedded at the bottom of the shell (103); the convex part of the gland (110) is provided with a line inlet pipe (109); the gland (110) is fastened and installed on the shell (103) through bolts, and a gland sealing gasket (108) is clamped in the middle.
FIG. 3 and FIG. 4 show the structure and assembly sequence of the rotary valve mechanism of the present invention, which is composed of a rotary valve mechanism body (201), a telescopic valve fork (202), a normally open telescopic valve (203), a normally closed telescopic valve (204), a telescopic valve fork dovetail rail plate (205), a telescopic valve fork dovetail slider (206), an upper central shaft connecting shaft fixing plate (207), an upper central shaft (208) roller (209), an upper heat insulation plate (210), a telescopic valve fork positioning pin (211), a lower heat insulation plate (212), a lower central shaft connecting shaft fixing plate (213), a silica gel sealing ring (214), a normally closed telescopic valve reset linear bearing clamping seat (215), a normally closed telescopic valve reset linear bearing (216), a normally closed telescopic valve reset spring (217), a normally closed telescopic valve reset optical axis (218), a normally open telescopic valve reset elastic pin and linear bearing mounting hole (219), and a normally open telescopic valve reset elastic pin clamping seat (220), the normally open telescopic valve comprises a normally open telescopic valve reset spring (221), a normally open telescopic valve reset elastic pin (222), a normally open telescopic valve reset linear bearing (223), a normally open telescopic valve reset optical axis (224) and a rotary valve mechanism heat insulation liner tube (225). The implementation mode is as follows: the rotary valve mechanism main body (201) is a cube structure provided with a through hole in one direction, two side vertical surfaces provided with the through hole are respectively provided with a normally open expansion valve (203), and the other two closed side vertical surfaces are also respectively provided with a normally closed expansion valve (204); telescopic valve shifting forks (202) are respectively arranged on the two normally open telescopic valves (203) and the two normally closed telescopic valves (204); an upper central shaft connecting shaft fixing plate (207) and four telescopic valve shifting fork dovetail rail plates (205) are arranged on the upper plane of the rotary valve mechanism main body (201), and the upper central shaft connecting shaft fixing plate (207) and the four telescopic valve shifting fork dovetail rail plates (205) are fixedly connected with the rotary valve mechanism main body (201) into a whole through bolts; four telescopic valve shifting fork dovetail slide blocks (206) are respectively embedded into dovetail tracks of the four telescopic valve shifting fork dovetail track plates (205) and form a slide block mechanism capable of realizing reciprocating motion under the action of external force; the outer ends of the four telescopic valve shifting fork dovetail sliding blocks (206) are respectively connected with telescopic valve shifting forks (202) through bolts, and the inner ends are respectively provided with a roller (209); an upper central shaft (208) capable of driving the rotary valve mechanism to integrally rotate is arranged on the upper central shaft connecting shaft fixing plate (207); an upper heat insulation plate (210) is arranged between the upper central shaft connecting shaft fixing plate (207) and the rotary valve mechanism main body (201); the telescopic valve shifting fork (202) is positioned by a telescopic valve shifting fork positioning pin (211) which is embedded in 0-degree and 180-degree angle positions on the axes of the two normally open telescopic valves (203) and the two normally closed telescopic valves (204); the lower central shaft connecting shaft fixing plate (213) is fixedly connected with the rotary valve mechanism main body (201) into a whole through a bolt, and a lower heat insulation plate (212) is arranged in the middle; the outer walls of extension pipes at two ends of a through hole of the rotary valve mechanism main body (201) are provided with silica gel sealing rings (214) and are tightly connected with the inner wall of the normally open telescopic valve (203) to play a sealing role; four normally-closed telescopic valve reset linear bearing clamping seats (215) are respectively arranged at the inner sides of the two normally-closed telescopic valves (204) at intervals of 90 degrees, four normally-closed telescopic valve reset linear bearings (216) are embedded in the normally-closed telescopic valves, and four normally-closed telescopic valve reset springs (217) are sleeved outside the normally-closed telescopic valves; four normally closed telescopic valve reset optical axes (218) are respectively arranged on two side vertical surfaces without holes of the rotary valve mechanism body (201) at intervals of 90 degrees; the normally closed telescopic valve resetting linear bearing (216) is matched with a normally closed telescopic valve resetting optical axis (218) to form a normally closed valve body capable of moving back and forth; the rotary valve mechanism body (201) is provided with four normally open telescopic valve reset elastic pins and linear bearing mounting holes (219) at two side vertical surfaces with through holes at intervals of 90 degrees, a normally open telescopic valve reset elastic pin clamping seat (220), a normally open telescopic valve reset spring (221), a normally open telescopic valve reset elastic pin (222), and a normally open telescopic valve reset linear bearing (223) which is sequentially mounted inside the four normally open telescopic valve reset elastic pins and the linear bearing mounting holes (219); the normally open telescopic valve resetting linear bearing (223) is matched with the normally open telescopic valve resetting optical axis (224) to form a normally open valve body capable of reciprocating; the inner wall of the through hole of the main body (201) of the rotary valve mechanism is embedded with a heat-insulating liner tube (225) of the rotary valve mechanism.
Fig. 5 and 6 show the structure and assembly sequence of the transmission system of the invention, which is composed of a driving gear (301), an intermediate gear (302), a driven gear (303), a 90-degree rotating disc limiting disc (304), a 90-degree rotating disc shifting fork (305), a 90-degree rotating disc (306), a 90-degree rotating disc shifting fork channel (307), an inner elliptical track disc (308), a heat insulating plate (309), an upper central shaft positioning plate (310), a stepping motor mounting bracket (311), a stepping motor (312), an intermediate gear bearing (313), a driven gear bearing (314), a driven gear shaft (315), a telescopic valve shifting fork anti-back block (316), an inner elliptical track disc mounting disc (317), an inner elliptical track disc mounting disc bearing (318), an upper central shaft connecting fixing plate (207) and an upper central shaft (208). The implementation mode is as follows: the driving gear (301) is meshed with the intermediate gear (302) at the position of 0 degree on the axis of the intermediate gear; the driven gear (303) is meshed with the intermediate gear (302) at a 180-degree angle position on the axis of the intermediate gear; the intermediate gear (302) is arranged on the upper central shaft (208) through an intermediate gear bearing (313); the driven gear (303) is arranged on a driven gear shaft (315) through a driven gear bearing (314); a 90-degree rotating disc limiting disc (304) is mounted on the driven gear (303), and a 90-degree rotating disc shifting fork (305) is arranged on a 180-degree extension line of the driven gear; a 90-degree rotating disc (306) is arranged on the upper central shaft (208), and a 90-degree rotating disc shifting fork channel (307) is arranged on the disc surface of the upper central shaft (208) along the direction of 135-degree angle of the upper central shaft (208); the 90-degree rotating disc (306) is arranged on the upper central shaft (208), is coaxial with the intermediate gear (302) and is different from the intermediate gear, and can realize the rotation in opposite directions; the limitation of the running position of the 90-degree rotating disc (306) is realized by disc surface notch arcs arranged on the 90-degree rotating disc limiting disc (304) and the 90-degree rotating disc limiting disc; an inner elliptic orbit disc (308) which is fastened with the intermediate gear (302) through bolts to form a whole is arranged below the intermediate gear; the inner elliptical orbit of the inner elliptical orbit disk (308) is in contact with the four rollers (209), and orbital transfer operation of the four rollers (209) is realized through rotation of the inner elliptical orbit disk (308); the heat insulation plate (309) and the upper central shaft positioning plate (310) are arranged on the upper central shaft (208) through an inner elliptical track disc mounting disc bearing (318) and an inner elliptical track disc mounting disc (317); the intermediate gear (302) and the inner elliptic orbit disk mounting disk (317) are fastened and connected into a whole through bolts; two telescopic valve shifting fork anti-retraction stoppers (316) are arranged on the lower disc surface of the inner elliptic orbit disc mounting disc (317) along the linear direction with the angle of 0-180 degrees to prevent the movable valve body from being stressed and retracted; a stepping motor mounting bracket (311) is mounted on an upper central shaft positioning plate (310), a stepping motor (312) is fixed on the stepping motor mounting bracket (311), and a transmission shaft of the stepping motor mounting bracket is matched with a driving gear (301) to be connected with a rotary valve mechanism to drive the rotary valve mechanism to normally work.
Fig. 7 shows a partial sectional view of the overall structure of the invention, which comprises an inlet and outlet connecting pipe (101), a connecting flange (102), a housing (103), a silica gel sealing ring (105), a gland (110), a rotary valve mechanism body (201), a telescopic valve fork (202), a normally open telescopic valve (203), a normally closed telescopic valve (204), a telescopic valve fork dovetail slider (206), an intermediate gear (302), a driven gear (303), a 90-degree rotary disk limiting disk (304), a 90-degree rotary disk fork (305), a 90-degree rotary disk (306) and a stepping motor (312).
FIG. 8 shows the principle of the electrical control system of the present invention, in which the power supply of the vehicle is divided into two loops to control the vehicle, and the original key door of the vehicle still does not change to control the original electrical control system; the invention is provided with a single loop control. When the automobile is in a stop state, the invention is also in a normally closed state to close the air inlet pipe and the exhaust pipe of the automobile engine to play a role in protection. When the automobile is ready to start, firstly, the automobile engine inlet and exhaust pipes are opened by starting the automobile engine inlet and exhaust pipes through fingerprints or passwords, then, the automobile can be started by one key or by using a key, otherwise, no matter who the automobile is started, even if the key is held by hand, the automobile cannot be started. After the automobile is flamed out and parked, the controller outputs a pulse signal to the driver through the control of the delay circuit after the exhaust gas of the exhaust system is exhausted, and the driving system automatically closes the air inlet pipe and the exhaust pipe of the automobile engine to complete a working cycle.
Fig. 9 shows the installation position of the invention in application, which has simple structure and convenient use and does not have any influence on the original functions of the automobile.
The invention has two purposes, can be processed and manufactured according to the design when being used as an exhaust system, can resist the temperature of 250 ℃ during working, and can completely meet the working environment of about 150 ℃ in front of a rear silencer at the tail end of the exhaust system; when the heat insulation material is used as an air inlet system, the heat insulation part in the design can be eliminated.
Claims (5)
1. The utility model provides a protector is prevented steeping by car theftproof and engine, characterized by: the inlet connecting pipe and the outlet connecting pipe (101) are respectively welded at two ends of the shell (103), two ends of the inlet connecting pipe and the outlet connecting pipe (101) exposed outside the shell (103) are respectively welded with a connecting flange (102), two ends of the inlet connecting pipe and the outlet connecting pipe (101) inside the shell (103) are respectively provided with a silica gel sealing ring mounting baffle ring (104), and a silica gel sealing ring (105) is hooped on the silica gel sealing ring mounting baffle ring (104) and is integrated with the inlet connecting pipe and the outlet connecting pipe (101); the rotary valve mechanism main body (201) is a cube structure provided with through holes in one direction, two side vertical faces provided with the through holes are respectively provided with a normally open telescopic valve (203), the other two closed side vertical faces are also respectively provided with a normally closed telescopic valve (204), the two normally open telescopic valves (203) and the two normally closed telescopic valves (204) are respectively provided with a telescopic valve shifting fork (202), the upper plane of the rotary valve mechanism main body (201) is provided with an upper central shaft connecting shaft fixing plate (207) and four telescopic valve shifting fork track plates (205), the upper central shaft connecting shaft fixing plate (207) and the four telescopic valve shifting fork track plates (205) are fixedly connected with the rotary valve mechanism main body (201) into a whole through bolts, the four telescopic valve shifting fork sliding blocks (206) are respectively embedded into dovetail tracks of the four telescopic valve shifting fork track plates (205) and form a sliding block mechanism capable of realizing reciprocating motion under the action of external force, the outer ends of the four telescopic valve shifting fork dovetail sliding blocks (206) are respectively connected with telescopic valve shifting forks (202) through bolts, the inner ends are respectively provided with a roller (209), and an upper central shaft (208) capable of driving the rotary valve mechanism to integrally rotate is arranged on the upper central shaft connecting shaft fixing plate (207); the driving gear (301) is meshed with the intermediate gear (302) at the position of 0 degree on the axis, the driven gear (303) is meshed with the intermediate gear (302) at the position of 180 degree on the axis, the intermediate gear (302) is installed on the upper central shaft (208) through a bearing, the driven gear (303) is provided with a 90-degree rotating disc limiting disc (304), a 90-degree rotating disc shifting fork (305) is arranged on the 180-degree extension line of the driven gear, the upper central shaft (208) is provided with a 90-degree rotating disc (306) and a 90-degree rotating disc shifting fork channel (307) is arranged on the disc surface of the driven gear along the direction of 135 degree of the upper central shaft (208), the 90-degree rotating disc (306) is installed on the upper central shaft (208) and is coaxial with and different from the intermediate gear (302), the rotation in opposite directions can be realized, the operation position limitation of the 90-degree rotating disc (306) is realized through disc, an inner oval track disc (308) which is integrally fastened with the middle gear (302) through bolts is arranged below the middle gear (302), the inner oval track of the inner oval track disc (308) is in contact with the four rollers (209), orbital transfer operation of the four rollers (209) is achieved through rotation of the inner oval track disc (308), the transmission ratio of the driving gear (301) to the middle gear (302) is 10: 1, the transmission ratio of the middle gear (302) to the driven gear (303) is 1: 2, the driving gear (301) rotates 1800 degrees in the clockwise direction, the middle gear (302) and the inner oval track disc (308) rotate 180 degrees in the anticlockwise direction, the driven gear (303) rotates 360 degrees in the clockwise direction, when the driving gear (301) drives the middle gear (302) to rotate 70 degrees in the anticlockwise direction, the 90-degree rotating disc limiting disc (304) and the 90-degree rotating disc shifting fork (305) are driven by the driven gear (303) to rotate 140 degrees in the clockwise direction, and the 90-degree rotating disc (305) enters the 90-degree rotating The 90-degree rotating disc (306) is started to be stirred to rotate anticlockwise in the disc shifting fork channel (307), when the intermediate gear (302) rotates from 70 degrees to 110 degrees anticlockwise, the 90-degree rotating disc shifting fork (305) exits from the 90-degree rotating disc shifting fork channel (307), in the process, the intermediate gear (302) rotates 40 degrees anticlockwise, the 90-degree rotating disc limiting disc (304) rotates 80 degrees clockwise, the 90-degree rotating disc (306) rotates 90 degrees anticlockwise and drives the whole rotating valve mechanism to rotate 90 degrees anticlockwise through the upper central shaft (208) and then stops simultaneously, the intermediate gear (302) continues to rotate from 110 degrees to 180 degrees anticlockwise under the driving of the driving gear (301) and stops rotating, at the moment, the 90-degree rotating disc limiting disc (304) continues to rotate from 220 degrees to 360 degrees clockwise and then stops, and at the same time, under the orbital transfer effect of the inner elliptic orbit disc (308) arranged below the intermediate gear (302), four gyro wheels (209) drive four telescopic valve shift fork forked tail slider (206) position and change, impel normally open telescopic valve (203) or normally closed telescopic valve (204) and in close contact with and realize producing certain space between sealed silica gel sealing ring (105) to the whole 90 that realize the non-resistance rotation of rotary valve mechanism.
2. The automobile anti-theft and engine anti-water-soaking protector according to claim 1, characterized in that: the inlet connecting pipe and the outlet connecting pipe (101) are respectively welded at two ends of the shell (103), two ends of the inlet connecting pipe and the outlet connecting pipe (101) exposed outside the shell (103) are respectively welded with a connecting flange (102), two ends of the inlet connecting pipe and the outlet connecting pipe (101) inside the shell (103) are respectively provided with a silica gel sealing ring mounting baffle ring (104), and a silica gel sealing ring (105) is hooped on the silica gel sealing ring mounting baffle ring (104) and is integrated with the inlet connecting pipe and the outlet connecting pipe (101); the inner wall of the inlet and outlet connecting pipe (101) is inlaid with an inlet and outlet connecting pipe heat insulation liner pipe (106), a heat insulation plate and a central shaft positioning plate mounting ring (107) are welded at the upper part of the shell (103), a bearing seat (112) and a thrust bearing (111) are inlaid at the bottom of the shell (103), a protruding part of the gland (110) is provided with a pipe inlet (109), the gland (110) is mounted on the shell (103) through bolt fastening, and a gland sealing gasket (108) is clamped in the middle.
3. The automobile anti-theft and engine anti-water-soaking protector according to claim 1, characterized in that: the rotary valve mechanism main body (201) is a cube structure provided with through holes in one direction, two side vertical faces provided with the through holes are respectively provided with a normally open telescopic valve (203), the other two closed side vertical faces are also respectively provided with a normally closed telescopic valve (204), the two normally open telescopic valves (203) and the two normally closed telescopic valves (204) are respectively provided with a telescopic valve shifting fork (202), the upper plane of the rotary valve mechanism main body (201) is provided with an upper central shaft connecting shaft fixing plate (207) and four telescopic valve shifting fork track plates (205), the upper central shaft connecting shaft fixing plate (207) and the four telescopic valve shifting fork track plates (205) are fixedly connected with the rotary valve mechanism main body (201) into a whole through bolts, the four telescopic valve shifting fork sliding blocks (206) are respectively embedded into dovetail tracks of the four telescopic valve shifting fork track plates (205) and form a sliding block mechanism capable of realizing reciprocating motion under the action of external force, the outer ends of four telescopic valve shifting fork dovetail slide blocks (206) are respectively connected with a telescopic valve shifting fork (202) through bolts, the inner ends are respectively provided with a roller (209), an upper central shaft (208) capable of driving the rotary valve mechanism to integrally rotate is arranged on an upper central shaft connecting shaft fixing plate (207), an upper heat insulation plate (210) is arranged between the upper central shaft connecting shaft fixing plate (207) and the rotary valve mechanism main body (201), the telescopic valve shifting fork (202) is positioned through a telescopic valve shifting fork positioning pin (211) embedded on the axial line of two normally open telescopic valves (203) and two normally closed telescopic valves (204) at the positions of 0 degree and 180 degrees, a lower central shaft connecting shaft fixing plate (213) is fixedly connected with the rotary valve mechanism main body (201) into a whole through bolts, a lower heat insulation plate (212) is arranged in the middle, silica gel sealing rings (214) are arranged on the outer walls of extension pipes at two ends of a through hole of the, four normally closed telescopic valve reset linear bearing clamping seats (215) are respectively arranged on the inner sides of two normally closed telescopic valves (204) at intervals of 90 degrees, four normally closed telescopic valve reset linear bearings (216) are embedded in the normally closed telescopic valves, four normally closed telescopic valve reset springs (217) are sleeved outside the normally closed telescopic valves, four normally closed telescopic valve reset optical axes (218) are respectively arranged on two side vertical faces of a rotary valve mechanism main body (201) at intervals of 90 degrees, the normally closed telescopic valve reset linear bearings (216) are matched with the normally closed telescopic valve reset optical axes (218) to form a normally closed valve body capable of moving in a reciprocating mode, four normally open telescopic valve reset elastic pins and linear bearing mounting holes (219) are respectively arranged on two side vertical faces of the rotary valve mechanism main body (201) with through holes at intervals of 90 degrees, the normally open telescopic valve reset elastic pin clamping seats (220), the normally open telescopic valve reset springs (221) and, normally open telescopic valve linear bearing that resets (223) install in proper order inside four normally open telescopic valve elasticity pins that reset and linear bearing mounting hole (219), but normally open telescopic valve linear bearing that resets (223) and normally open telescopic valve optical axis that resets (224) cooperation form reciprocating motion's normally open valve body, and the thermal-insulated bushing pipe of rotary valve mechanism (225) is inlayed to rotary valve mechanism main part (201) through-hole inner wall.
4. The automobile anti-theft and engine anti-water-soaking protector according to claim 1, characterized in that: the driving gear (301) is meshed with the intermediate gear (302) at the position of 0 degree angle on the axis, the driven gear (303) is meshed with the intermediate gear (302) at the position of 180 degree angle on the axis, the intermediate gear (302) is installed on the upper central shaft (208) through an intermediate gear bearing (313), the driven gear (303) is installed on a driven gear shaft (315) through a driven gear bearing (314), a 90-degree rotating disc limiting disc (304) is installed on the driven gear (303), a 90-degree rotating disc shifting fork (305) is arranged on a 180-degree extension line of the driven gear, a 90-degree rotating disc (306) is installed on the upper central shaft (208), a 90-degree rotating disc shifting fork channel (307) is arranged on the disc surface of the upper central shaft (208) along the direction of 135 degree angle of the upper central shaft (208), the 90-degree rotating disc (306) is installed on the upper central shaft (208), the limitation of the operating position of the 90-degree rotating disc (306) is realized by disc surface notch arcs arranged on the 90-degree rotating disc limiting disc (304) and the intermediate gear (302), an inner elliptical track disc (308) which is fastened with the intermediate gear through bolts to form a whole is arranged below the intermediate gear (302), the inner elliptical track of the inner elliptical track disc (308) is contacted with four rollers (209), the orbital transfer operation of the four rollers (209) is realized through the rotation of the inner elliptical track disc (308), a heat insulation plate (309) and an upper central shaft positioning plate (310) are arranged on an upper central shaft (208) through an inner elliptical track disc mounting disc bearing (318) and an inner elliptical track disc mounting disc (317), the intermediate gear (302) and the inner elliptical track disc mounting disc (317) are fastened and connected into a whole through bolts, two expansion valve shifting fork anti-retraction stoppers (316) are arranged on the lower disc surface of the inner elliptical track disc mounting disc (317) along the linear direction with an angle of 0-180 degrees and used for preventing the moving valve body from being, a stepping motor mounting bracket (311) is mounted on an upper central shaft positioning plate (310), a stepping motor (312) is fixed on the stepping motor mounting bracket (311), and a transmission shaft of the stepping motor mounting bracket is matched with a driving gear (301) to be connected with a rotary valve mechanism to drive the rotary valve mechanism to normally work.
5. The automobile anti-theft and engine anti-water-soaking protector according to claim 1, characterized in that: the dual-purpose exhaust system has two purposes, can be processed and manufactured according to the design when being used as an exhaust system, can resist the temperature of 250 ℃ during working, can completely meet the working environment of about 150 ℃ in front of a rear silencer at the tail end of the exhaust system, and can be processed and manufactured by deleting a heat insulation part in the design when being used as an air inlet system.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011541892.8A CN112406786A (en) | 2020-12-22 | 2020-12-22 | Automobile anti-theft and engine anti-water-soaking protector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011541892.8A CN112406786A (en) | 2020-12-22 | 2020-12-22 | Automobile anti-theft and engine anti-water-soaking protector |
Publications (1)
Publication Number | Publication Date |
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CN112406786A true CN112406786A (en) | 2021-02-26 |
Family
ID=74782752
Family Applications (1)
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CN202011541892.8A Pending CN112406786A (en) | 2020-12-22 | 2020-12-22 | Automobile anti-theft and engine anti-water-soaking protector |
Country Status (1)
Country | Link |
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CN (1) | CN112406786A (en) |
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2020
- 2020-12-22 CN CN202011541892.8A patent/CN112406786A/en active Pending
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CB02 | Change of applicant information |
Address after: Room 904, unit 1, building 9, Donghong Yijing community, 315 Xiangfu Road, Xiangfang District, Harbin City, Heilongjiang Province Applicant after: Li Fengtong Address before: Room 2402, building 3, feicui East Bay, Aoyuan, No.73 Jinniu East Road, Pingshan District, Shenzhen, Guangdong 518118 Applicant before: Li Fengtong |
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Application publication date: 20210226 |
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