CN203515045U - Child protection door on school bus - Google Patents
Child protection door on school bus Download PDFInfo
- Publication number
- CN203515045U CN203515045U CN201320686356.6U CN201320686356U CN203515045U CN 203515045 U CN203515045 U CN 203515045U CN 201320686356 U CN201320686356 U CN 201320686356U CN 203515045 U CN203515045 U CN 203515045U
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- China
- Prior art keywords
- protection
- door
- controller
- school bus
- foot rest
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- Expired - Fee Related
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Abstract
A child protection door on a school bus comprises a bus door, a door driving device and a door locking protection device, wherein the door locking protection device is installed beside the bus door, the bus door of the school bus is provided with a protection lock hole, the door locking protection device is provided with a protection bolt, the door locking protection device is provided with a controller, a velocity sensor of the controller transmits a wheel rotation signal to the controller, and a protection switch of the controller is connected with a driving component of the door driving device; when a child stands on a pedal of the bus door, a swing bar is driven by the gravity of the child to swing, and the protection bolt of the swing bar is inserted in the protection lock hole of the bus door, so that the bus door cannot be opened; meanwhile, the velocity sensor is used for detecting rotation and stop states of wheels and transmitting running and stopping signals to the controller, and during running, the controller is used for cutting off a power supply of the door driving device, so that the bus door cannot be opened, and the safety of the child is protected; and during stopping, the controller is connected with the power supply of the door driving device, so that the bus door can be opened.
Description
Technical field
The utility model relates to a kind of safety device of school bus, particularly a kind of school bus protection of the child door.
Background technology
At present; the school bus of kindergarten, in picking children's process, has the car door of school bus surprisingly to open, and the children that are positioned at car door are fallen down outside car; cause unexpected traffic accident, a kind of school bus protection of the child door that a kind of children of preventing are fallen down by the car door of school bus has become the needs of child protection.
Summary of the invention
The utility model object is to overcome the deficiencies in the prior art, and a kind of school bus protection of the child door is provided, and prevents that children from being fallen down by the car door of school bus.
Technical solution adopted in the utility model is: a kind of school bus protection of the child door, include car door and door drive, school bus protection of the child door is provided with the protective device of locking a door, and the protective device of locking a door is installed on the car bottom plate on car door side, and the lower end of the car door of school bus is provided with protection lockhole, the protective device of locking a door includes foot rest, spring, hinged block, fork and connecting rod, car bottom plate is provided with groove, foot rest is actively tied in groove, spring is located between the trough floor and foot rest of groove, hinged block is fixed in trough floor, fork and hinged block are hinged, the left end of fork hinge and the lower end of connecting rod are hinged, upper end and the foot rest of connecting rod are hinged, the right-hand member of fork hinge is provided with protection bolt, protection bolt is positioned at the below of protection lockhole, the protection bolt of fork is facing to protection lockhole, be used for pinning car door, prevent that the children that stand in car door from falling down school bus from car door.The protective device of locking a door is provided with controller, controller is provided with velocity sensor, velocity sensor is located at the position, side of the wheel of school bus, and controller is provided with driving protection switch, and protection switch is normally closed switch, when school bus stops, the signal that velocity sensor stops wheel being transferred to controller, and it is closure state that controller is controlled protection switch, during school bus walking, velocity sensor is transferred to controller by the signal of vehicle wheel rotation, and it is disjunction state that controller is controlled protection switch; Controller is connected with protection switch, and protection switch is connected with the power connection of the driving element of door drive.
A kind of operating principle of school bus protection of the child door is: after the closing of the door of school bus; if while having children to stand on the foot rest of car door; foot rest and children's gravity is greater than the elastic force of spring; the elastic force that foot rest overcomes spring declines; the left end that foot rest pushes away fork by connecting rod while declining is to lower swing; the protection bolt of fork right-hand member is upwards swung; make to protect bolt to insert in the protection lockhole of car door lower end; car door is pinned; car door can not be opened, prevent that car door from surprisingly opening and children fall through car door.When the closing of the door of school bus is walked, it is disjunction state that controller is controlled protection switch, and the protected switch of power supply that controller is transported to driving element cuts off, and while making to drive a vehicle, car door can not be opened, the safety of child protection.
The beneficial effects of the utility model are: a kind of school bus protection of the child door is provided with multiple defencive function, when children stand in the foot rest of car door, utilize children's weight-driven fork to swing, the protection bolt of fork is inserted in the protection lockhole of car door, car door can not be opened; Meanwhile, utilize velocity sensor to detect rotation and the halted state of wheel, the signal of high-ranking officers garage car and parking is transferred to controller, during driving, the power supply that utilizes the protection switch cut-out door drive of controller, can not open car door, the safety of child protection; During parking, controller is connected the power supply of door drive, and car door can be opened.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of school bus protection of the child door.
The specific embodiment
With specific embodiment, the utility model is further detailed with reference to the accompanying drawings below:
The structural representation of a kind of school bus protection of the child door shown in Fig. 1, a kind of school bus protection of the child door, include car door 1 and door drive 2, a kind of school bus protection of the child door is provided with the protective device 3 of locking a door, and the protective device 3 of locking a door is installed on the car bottom plate 4 on car door 1 side, the lower end of the car door 1 of school bus is provided with protection lockhole 5, the protective device 3 of locking a door includes foot rest 6, spring 7, hinged block 8, fork 9 and connecting rod 10, car bottom plate 5 is provided with groove 11, foot rest 6 is actively tied in groove 11, spring 7 is located between the trough floor 12 and foot rest 6 of groove 11, hinged block 8 is fixed in trough floor 12, fork 9 is hinged with hinged block 8, the left end 13 of fork 9 hinges is hinged with the lower end of connecting rod 10, the upper end of connecting rod 10 and foot rest 6 are hinged, the right-hand member 14 of fork 9 hinges is provided with protection bolt 15, protection bolt 15 is positioned at the below of protection lockhole 5, the protection bolt 15 of fork 9 is facing to protection lockhole 5, for preventing that the children that stand in car door 1 from falling down school bus from car door.
A kind of operating principle of school bus protection of the child door is: after the car door 1 of school bus is closed; if while having children to stand on the foot rest 6 of car door 1; foot rest 6 and children's gravity is greater than the elastic force of spring 7; the elastic force that foot rest 6 overcomes spring 7 declines; the left end 13 that foot rest 6 pushes away fork 9 by connecting rod 10 while declining is to lower swing; the protection bolt 15 of fork 9 right-hand members 14 is upwards swung; make to protect bolt 15 to insert in the protection lockhole 5 of car door 1 lower end; car door 1 is pinned; car door 1 can not be opened, prevent that car door 1 from surprisingly opening and children fall through car door 1.
In order to guarantee that school bus when driving pin car door 1, and the automatic control of implement stopping and to open car door 1, the protective device 3 of locking a door is provided with controller 16, controller 16 is provided with velocity sensor 17, velocity sensor 17 is located at the position, side of the wheel 18 of school bus, controller 16 is provided with driving protection switch 19, protection switch 19 is normally closed switch, when school bus stops, the signal that velocity sensor 17 stops wheel 18 is transferred to controller 16, it is closure state that controller 16 is controlled protection switch 18, during school bus walking, the signal that velocity sensor 17 rotates wheel 18 is transferred to controller 16, controller 16 is controlled protection switch 19 for disjunction state, controller 16 is connected with protection switch 19, and protection switch 19 is connected with the power connection of the driving element 20 of door drive 2.When the closing of the door of school bus is walked, protection switch 19 is disjunction state, and the protected switch 19 of power supply that controller 16 is transported to driving element 20 cuts off, and while making to drive a vehicle, car door 1 can not be opened, the safety of child protection.
While stopping in order to implement school bus; the automatic unlocking of car door 1, the protective device 3 of locking a door is provided with electronic tie rod 21, and the shell 22 of electronic tie rod 21 is fixedly connected with trough floor 12; the pull bar 23 of electronic tie rod 21 is hinged with the right-hand member 14 of fork 9 hinges, and pull bar 23 is positioned at the below of protection bolt 15.When school bus stops, the signal that velocity sensor 17 stops wheel 18 is transferred to controller 16, and controller 16 is controlled electronic tie rod 21 energisings, and electronic tie rod 21 is left behind the right-hand member 14 of fork 9 hinges, makes the protection bolt 15 of fork 9 leave protection lockhole 5; Meanwhile, under the elastic force of spring 7 and the effect of electronic tie rod 21 pulling force, make foot rest 6 increase and reset, car door 1 can be opened.
For the stroke of control pin pedal 6 liftings, and guarantee that the amplitude of oscillation of fork 9 can make to protect bolt 15 to insert completely in protection lockhole 5, pins car door; The trough floor 12 of groove 11 is fixed with cylinder 24, spring 7 is positioned at cylinder 24, spring 7 is Compress Spring, the height of spring 7 is greater than the height of cylinder 24, cylinder 24 is highly less than trough floor 12 to the distance of foot rest 6, to guarantee that foot rest 6 has the space of decline, drive fork 9 to swing, also limited the stroke of foot rest 6 simultaneously.When foot rest 6 overcomes the elastic force decline of spring 7; spring 7 is constantly compressed and is entered in cylinder 24; connecting rod 10 is followed the decline of foot rest 6 and is constantly declined; the left end 13 of fork 9 follow connecting rod 10 decline and constantly to lower swing; the protection bolt 15 of fork 9 right-hand members 14 is followed the swing of fork 9 and is constantly inserted the protection lockhole 5 of car door 1; when protection bolt 15 inserts protection lockhole 5 completely; foot rest 6 contacts with cylinder 24 upper surfaces; foot rest 6 declines and stops, in the protection lockhole 5 that makes to protect bolt 15 to insert car door 1 completely.Spring 7 and difference in height cylinder 24 are 20 millimeters to 30 millimeters, when guaranteeing the reliable protection lockhole 5 that inserts car doors 1 of protection bolt 15, reduce the distance that foot rest 6 declines.
In order to prevent that foot rest 6 and groove 11 gaps 26 from crushing children; above foot rest 6, be provided with flexible neonychium 25, neonychium 25 is highly connected with foot rest 6, and the area of neonychium 25 is greater than the area of groove 11; neonychium 25 covers the gap 26 of groove 11 and foot rest 6, prevents that gap 26 from exposing.
Described spring 7 is provided with a plurality of, and a plurality of springs 7 are symmetrical to be located in groove 11, and the elastic force that a plurality of springs 7 add up to is greater than the gravity of foot rest 6, not compressed to guarantee spring 7 can support foot rest 6.The elastic force that a plurality of springs 7 add up to is less than the gravity that children and foot rest 6 add up to, and when guaranteeing that children stand in foot rest 6, foot rest 6 can overcome the elastic force decline of a plurality of springs 7.
In order to prevent that door drive 2 car doors 1 from opening car door for the state of release, in the protection lockhole 5 of car door 1, be provided with approach switch 27, approach switch 27 is connected with controller.Door drive 2 is connected with controller 16; approach switch 27 is normally closed switch; protection bolt 15 inserts while protecting lockhole 5 to approach this approach switch 27; approach switch 27 disjunctions are transferred to controller 16 by its signal; controller 16 cuts off door drive 2 power supplys; in order to avoid protection bolt 15 inserts while protecting lockhole 5, door drive 2 is opened car door 1.
Claims (8)
1. a school bus protection of the child door, include car door (1) and door drive (2), it is characterized in that: described a kind of school bus protection of the child door is provided with the protective device of locking a door (3), the protective device of locking a door (3) is installed on the car bottom plate (4) on car door (1) side, the lower end of the car door of school bus (1) is provided with protection lockhole (5), the protective device (3) of locking a door includes foot rest (6), spring (7), hinged block (8), fork (9) and connecting rod (10), car bottom plate (5) is provided with groove (11), foot rest (6) is actively tied in groove (11), spring (7) is located between the trough floor (12) and foot rest (6) of groove (11), hinged block (8) is fixed in trough floor (12), fork (9) is hinged with hinged block (8), the left end (13) of fork (9) hinge is hinged with the lower end of connecting rod (10), the upper end of connecting rod (10) and foot rest (6) are hinged, the right-hand member (14) of fork (9) hinge is provided with protection bolt (15), protection bolt (15) is positioned at the below of protection lockhole (5), the protection bolt (15) of fork (9) is facing to protection lockhole (5).
2. a kind of school bus protection of the child door according to claim 1, it is characterized in that: the described protective device of locking a door (3) is provided with controller (16), controller (16) is provided with velocity sensor (17), velocity sensor (17) is located at the position, side of the wheel (18) of school bus, controller (16) is provided with driving protection switch (19), protection switch (19) is normally closed switch, when school bus stops, the signal that velocity sensor (17) stops wheel (18) is transferred to controller (16), it is closure state that controller (16) is controlled protection switch (18), during school bus walking, the signal that velocity sensor (17) rotates wheel (18) is transferred to controller (16), it is disjunction state that controller (16) is controlled protection switch (19), controller (16) is connected with protection switch (19), and protection switch (19) is connected with the power connection of the driving element (20) of door drive (2).
3. a kind of school bus protection of the child door according to claim 2; it is characterized in that: the described protective device of locking a door (3) is provided with electronic tie rod (21); the shell (22) of electronic tie rod (21) is fixedly connected with trough floor (12); the pull bar (23) of electronic tie rod (21) is hinged with the right-hand member (14) of fork (9) hinge, and pull bar (23) is positioned at the below of protection bolt (15).
4. a kind of school bus protection of the child door according to claim 1; it is characterized in that: the trough floor (12) of described groove (11) is fixed with cylinder (24); spring (7) is positioned at cylinder (24); spring (7) is Compress Spring; the height of spring (7) is greater than the height of cylinder (24); cylinder (24) is highly less than trough floor (12) to the distance of foot rest (6); to guarantee that foot rest (6) has the space of decline; drive fork (9) to swing, also limited the stroke of foot rest (6) simultaneously.
5. a kind of school bus protection of the child door according to claim 1; it is characterized in that: above described foot rest (6), be provided with flexible neonychium (25); neonychium (25) is highly connected with foot rest (6); the area of neonychium (25) is greater than the area of groove (11), and neonychium (25) covers the gap (26) of groove (11) and foot rest (6).
6. a kind of school bus protection of the child door according to claim 1; it is characterized in that: described spring (7) is provided with a plurality of; a plurality of springs (7) are symmetrical to be located in groove (11), and the elastic force that a plurality of springs (7) add up to is greater than the gravity of foot rest (6).
7. a kind of school bus protection of the child door according to claim 1, is characterized in that: the elastic force that described a plurality of springs (7) add up to is less than the gravity of children and foot rest (6) total.
8. a kind of school bus protection of the child door according to claim 1, is characterized in that: in the protection lockhole (5) of described car door (1), be provided with approach switch (27), approach switch (27) is connected with controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320686356.6U CN203515045U (en) | 2013-11-01 | 2013-11-01 | Child protection door on school bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320686356.6U CN203515045U (en) | 2013-11-01 | 2013-11-01 | Child protection door on school bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203515045U true CN203515045U (en) | 2014-04-02 |
Family
ID=50373996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320686356.6U Expired - Fee Related CN203515045U (en) | 2013-11-01 | 2013-11-01 | Child protection door on school bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203515045U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103556890A (en) * | 2013-11-01 | 2014-02-05 | 郑运婷 | Child protection door of school bus |
| WO2015062431A1 (en) * | 2013-11-01 | 2015-05-07 | 何丽丽 | School bus protective door device for children |
| CN104695784A (en) * | 2015-02-11 | 2015-06-10 | 郑运婷 | Application method of automatic door capable of preventing clamping |
| CN104695783A (en) * | 2015-02-11 | 2015-06-10 | 郑运婷 | Application method of automatic door capable of preventing clamping |
| CN104695785A (en) * | 2015-02-11 | 2015-06-10 | 郑运婷 | Self-control door capable of preventing clamping |
| CN104806105A (en) * | 2015-02-11 | 2015-07-29 | 郑运婷 | Using method of building door device |
| CN111021849A (en) * | 2019-12-10 | 2020-04-17 | 上海擎感智能科技有限公司 | Automatic unlocking system and method for vehicle door |
-
2013
- 2013-11-01 CN CN201320686356.6U patent/CN203515045U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103556890A (en) * | 2013-11-01 | 2014-02-05 | 郑运婷 | Child protection door of school bus |
| WO2015062431A1 (en) * | 2013-11-01 | 2015-05-07 | 何丽丽 | School bus protective door device for children |
| CN103556890B (en) * | 2013-11-01 | 2015-10-21 | 郑运婷 | School bus protection of the child door |
| CN104695784A (en) * | 2015-02-11 | 2015-06-10 | 郑运婷 | Application method of automatic door capable of preventing clamping |
| CN104695783A (en) * | 2015-02-11 | 2015-06-10 | 郑运婷 | Application method of automatic door capable of preventing clamping |
| CN104695785A (en) * | 2015-02-11 | 2015-06-10 | 郑运婷 | Self-control door capable of preventing clamping |
| CN104806105A (en) * | 2015-02-11 | 2015-07-29 | 郑运婷 | Using method of building door device |
| CN104695783B (en) * | 2015-02-11 | 2016-08-17 | 青岛玉兰祥商务服务有限公司 | Automatically the using method of Anti-pinch door without injuring |
| CN104695784B (en) * | 2015-02-11 | 2016-08-24 | 青岛玉兰祥商务服务有限公司 | The using method of automatic control Anti-pinch door without injuring |
| CN104695785B (en) * | 2015-02-11 | 2016-11-30 | 李烈熊 | Automatic control Anti-pinch door without injuring |
| CN111021849A (en) * | 2019-12-10 | 2020-04-17 | 上海擎感智能科技有限公司 | Automatic unlocking system and method for vehicle door |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20141101 |
|
| EXPY | Termination of patent right or utility model |