JPH0439796Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] This invention is a vehicle equipped with a television camera for checking the safety of the rear when reversing the vehicle, and a monitor television that displays images captured by the television camera. This invention relates to a rear confirmation device.

[Prior Art] Conventionally, in large vehicles such as buses, when backing up, it is difficult to see what's behind the vehicle and there is a risk of an accident. For this reason, a television camera is installed above the rear of the vehicle, and when the vehicle is put into reverse gear. A known system is known in which a television camera is activated and the image taken by the television camera is displayed on a monitor television set inside the vehicle to improve safety when the vehicle is reversing.

However, this type of television camera is fixedly installed protruding from the rear of the vehicle and has an unsightly exterior design.For this reason, considering the exterior design, the television camera installed at the rear of the vehicle must be moved by a drive device. The TV camera is provided so as to be able to appear inside and outside the vehicle, and when the back gear is engaged, the drive device is activated to expose the TV camera to the outside of the vehicle, and when the gear position is changed to a position other than the back gear, the TV camera is retracted by the drive device. , a rear confirmation device with a TV camera that sticks out only when back gear is engaged has been put into practical use.

[Problems to be solved by the invention] By the way, in vehicles such as buses, there are cases where a trunk room is provided at the rear of the vehicle, located below the television camera, and the opening/closing door of this trunk room can be opened and closed by pivoting upward via a hinge. things to do,
There are various types of opening and closing doors, such as those that open and close a pair of doors in the left and right direction, and those that open and close the trunk by raising and lowering the opening and closing door via a link mechanism and sliding the opening and closing door vertically. When opening and closing the trunk room using a door that moves up and down via a link mechanism, if the door is raised and lowered with the TV camera protruding outside when the back gear is engaged, the door and the TV camera will collide. There is a risk of damaging your expensive TV camera.

Therefore, an object of the present invention is to provide a rear confirmation device for a vehicle that can prevent a collision between a television camera and an opening/closing door and protect the television camera.

[Means for Solving the Problems] Therefore, the present invention includes a television camera installed at the rear of the vehicle, the television camera being stored inside the vehicle at a gear position other than the back gear, and the television camera being moved to the outside of the vehicle when the back gear is engaged. a driving device for protruding; a trunk opening/closing door provided below the television camera so as to be movable up and down via a link mechanism; and a television camera for retracting the television camera in response to the opening operation of the opening/closing door when a back gear is engaged. It is equipped with storage control means.

[Function] When the opening/closing door is opened with the television camera protruding due to the back gear being engaged, the television camera is automatically retracted by the television camera storage control means, thereby preventing the television camera from colliding with the opening/closing door. This can prevent damage to the TV camera.

[Example] Hereinafter, an example of the present invention will be described with reference to the accompanying drawings.

1 to 4 show an embodiment of the present invention, in which numeral 1 denotes a television camera that images the rear of the vehicle, and this television camera 1 is fixed to a U-shaped mounting plate 2, The television camera 1 is rotatably disposed within the storage chamber 3 by pivotally supporting the upper end of the mounting plate 2 via a pivot 4 in a storage chamber 3 recessed in the rear of the vehicle.

Reference numeral 5 denotes a drive motor which is a drive device disposed in the storage chamber 3, and a drive shaft 5 of this drive motor 5
An actuating arm 6 that is integrally fixed to A and a link arm 7 that is pivoted to the mounting plate 2 of the television camera 1 via a shaft 8 are connected via a shaft portion 8A, and these actuating arm 6 and link arm 7 are connected to each other via a shaft portion 8A. By transmitting the rotational drive of the drive motor 5 to the television camera 1 through the TV camera 1, the television camera 1 is rotated about the pivot 4 as a fulcrum, and the television camera 1 is provided so as to be able to move in and out of the storage chamber 3. Further, first and second limit switches 9, 9A are provided on both sides of the drive shaft 5A to control the rotation of the drive motor 5.
An engaging protrusion 11 that presses the actuator 10 is provided. Reference numeral 12 denotes a door for opening and closing the storage chamber 3, the upper end of which is pivotally supported by a support shaft 13, and further connected to the mounting plate 2 via a spring 14, so that the door 12 is connected to the mounting plate 2. A roller 15 provided on the housing 2 is always urged to press the storage chamber 3, and the storage chamber 3 is opened and closed in conjunction with the television camera 1. 16 is a trunk room provided below the television camera 1; 17 is an opening/closing door of the trunk room 16;
and the trunk room 16 are connected to each other by connecting both ends of a pair of first and second link rods 18, 19 to a pivot point 1, respectively.
It is provided so as to be movable up and down via a parallel link mechanism A connected through 8A and 19A. Reference numeral 20 denotes a switch which is a means for controlling the storage of a television camera provided in the trunk room 16, and this switch 20 is opened when the operating element 20A of the switch 20 and the opening/closing door 17 engage with each other when the opening/closing door 17 is closed. As the opening/closing door 17 is opened, the opening/closing door 17
When the engagement with the actuator 20A is released, the drive circuit of the drive motor 5 is closed, and the television camera 1 is stored in the storage chamber 3 by the operation of the drive motor 5. ing.

In the above configuration, when the gear position is set to the back gear, the drive motor 5 is operated in conjunction with the gear operation by the operation of the back gear switch (not shown), and the engagement protrusion 11 provided on the drive shaft 5A of the drive motor 5 Actuator 1 of first limit switch 9
0 is engaged, the drive motor 5 stops rotating, and the television camera 1 is thereby held in a state where it protrudes from the storage chamber 3 and is exposed to the outside, and the image captured by the television camera 1 is displayed on a monitor placed inside the vehicle. This is displayed on a television (not shown) to confirm what is behind the vehicle. Then, when the back gear is switched to a gear other than the back gear, the drive motor 5 is operated in conjunction with the gear switching operation due to the operation of other gear switches, and the engagement protrusion 11 and the second
The actuator 10 of the limit switch 9A is engaged, the drive motor 5 is stopped, and the television camera 1 is stored in the storage chamber 3. On the other hand, in the state where the TV camera 1 is projected to the outside when the back gear is inserted,
When the door 17 is opened, the switch 20 operates to close the drive circuit of the drive motor 5.
is activated and the television camera 1 is retracted. Note that the gear switch and switch 20 are connected in parallel.

In this way, in the rear confirmation device of the present invention,
When the door 17 is opened with the TV camera 1 protruding, the switch 20 automatically retracts the TV camera 1, thereby avoiding collision between the TV camera 1 and the door 17. Damage can be prevented.

Note that the present invention is not limited to the above-mentioned embodiments, and various modifications can be made within the scope of the gist of the present invention. The formation position may be selected appropriately, and the engagement with the actuator 20A is not limited to the opening/closing door 17, but may be engaged with the first or second link rods 18, 19 to detect the opening of the opening/closing door 17. Alternatively, the switch 20 may detect the opening of the door 17 using a sensor such as a photoelectric switch. Further, the television camera may be made to appear and disappear using an appropriate drive device such as a rack and pinion or a cylinder.

[Effects of the invention] This invention uses a television camera installed at the rear of the vehicle,
This television camera is stored inside the vehicle in a gear position other than the back gear, and a drive device that projects the television camera to the outside of the vehicle when the back gear is engaged, and a trunk compartment provided below the television camera so as to be movable up and down via a link mechanism. By including an opening/closing door and a television camera storage control means for storing the television camera in response to the opening operation of the opening/closing door when the back gear is engaged, a collision between the television camera and the opening/closing door can be prevented. It is possible to provide a rear confirmation device for a vehicle that can be protected.

[Brief explanation of drawings]

1 to 4 show an embodiment of the present invention,
FIG. 1 is an overall sectional view, FIG. 2 is an enlarged sectional view of a main part showing a television camera part, FIG. 3 is an enlarged sectional view of a main part showing a switch part, and FIG. 4 is a perspective view. DESCRIPTION OF SYMBOLS 1... Television camera, 5... Drive motor (drive device), 16... Trunk room, 17... Opening/closing door, 20... Switch (TV camera storage control means), A... Link mechanism.

Claims (1)

[Scope of utility model registration request] A television camera installed at the rear of the vehicle, a drive device that stores the television camera inside the vehicle in a gear position other than the back gear and projects the television camera outside the vehicle when the back gear is engaged, and a link mechanism below the television camera. A trunk door that can be raised and lowered through the
1. A rear confirmation device for a vehicle, comprising: television camera storage control means for storing the television camera in response to the opening operation of the opening/closing door when the rear gear is engaged.