JPH10181438A - Lighting device in extendable pole for automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lighting device in an extendable pole device for an automobile having a ground connecting structure for connecting the pole with the ground, which is simple and sure. SOLUTION: A drive cord 2 laid in an extendable metal pole 1 is arranged so that the extendable metal pole 1 can be extended and retracted through the operation of a pay-out drive device 3, having a power supply means for a light emitting part 4 provided in the distal end part of the extendable pole 1, which is composed of a core wire 5 laid in the drive cord 2, and the extendable pole 1 itself. In this arrangement, an attaching hole part 8 is inserted for connection on a cylindrical fitting connection part 6 and is communicated with the inner part of the inner peripheral part of an insertion part of an accommodation pipe member 7. Further, a contact plate member 9 having a dog leg-like part 9B fitted in the attaching hole part 8 so that the dog leg-like part 9B is extended inward, is laid between the peripheral surface of the insertion part of the accommodation pipe member 7 and the fitting attaching member 6, and an end part 9A of the metal contact plate member 9 serves as an outer extending end 9A which is exposed tot the outside of the fitting part, and which is used as a connection end.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting device for a telescopic pole for a vehicle, such as a corner pole for displaying the width of an automobile.

[0002]

2. Description of the Related Art A corner pole which automatically expands and contracts is, for example, a metal pole having a plurality of metal pipes of gradually different diameters which are gradually slid in a state in which the pipes are prevented from falling out. The drive cord is arranged inside, the tip of this drive cord is connected to the most advanced metal pipe of the telescopic pole, and the drive cord is extended and retracted by the operation of the extension drive device such as a reversible motor. It is configured to extend and retract the pole.

A light emitting portion such as an LED which is turned on at least when the pole is extended is provided at the tip of the pole, and a power supply means for this light emitting portion uses a conductive core wire passed inside the drive cord on the plus side. The pole itself is used on the ground side, and the pole is grounded to the ground lead.

[0004] Therefore, the conventional ground connection for supplying power to the light emitting portion of the corner pole uses the telescopic pole itself, so that the lead wire drawing-out structure becomes complicated, and there is a problem that disconnection or poor contact easily occurs.

The present invention, which focuses on such a problem, is a revolutionary vehicular vehicle that can be easily and reliably connected from the pole itself to the ground lead by simple structure improvement, and can solve the above problem. A lighting device for a telescopic pole is provided.

[0006]

The gist of the present invention will be described with reference to the accompanying drawings.

A drive cord 2 is disposed inside a metal telescopic pole 1 in which a plurality of metal poles 1A having different diameters are slidably overlapped, and the drive cord 2 is extended and taken out by the operation of an extension driving device 3. The telescopic pole 1 is configured to expand and contract, and a light emitting unit 4 is provided at a distal end of the telescopic pole 1 when the telescopic pole 1 is extended.
In a lighting device of a telescopic pole for a vehicle using a core wire 5 provided in the drive cord 2 as a power supply means to the telescopic pole 1 and the telescopic pole 1 itself, a fitting attachment of a main body part a provided with the feeding drive device 3. A mounting hole portion 8 is provided which is connected to the portion 6 and is connected to the inside of the housing tube 7 for housing the telescopic pole 1 or the fitting portion peripheral surface of the fitting mounting portion 6. And a metal contact plate 9 which can come into contact with the outer surface of the metal telescopic pole 1 is provided on the peripheral surface of the fitting portion, and the end 9A of the metal contact plate 9 or the metal contact plate 9 is in a conductive state. The contact end 9A provided on the outside end 9
The present invention relates to a lighting device of a telescopic pole for a vehicle, characterized in that A is exposed to the outside of the fitting portion and this outgoing end portion 9A is used as a connection end.

[0008] Further, it is inserted and connected to the cylindrical fitting connection portion 6 of the main body portion a provided with the feeding drive device 3, and communicates with the inside of the insertion portion peripheral surface of the storage tube 7 for storing the telescopic pole 1. A metal contact plate member 9 is provided which has a U-shaped portion 9B inserted into the mounting hole portion 8 so that the U-shaped portion 9B protrudes into the mounting hole portion 8 and makes elastic contact with the outer surface of the telescopic pole 1.
Is disposed between the peripheral surface of the insertion portion of the storage pipe 7 and the fitting attachment portion 6, and an end 9 A of the metal contact plate 9 or a contact end provided in a conductive state with the metal contact plate 9. 9A
Is exposed to the outside of the fitting portion as the outside end portion 9A,
2. The lighting device for a telescopic pole for a vehicle according to claim 1, wherein the outside end 9A is used as a connection end.

The metal contact plate 9 is formed of a metal plate, and the metal plate is bent to form the bent portion 9B, and the end is turned back to form the fitting mounting portion 6 and the housing. 3. The structure according to claim 1, wherein the outer end 9A is provided so as to be led out and exposed to the outside of the fitting portion with the tube 7, and the ground end 10 is connected to the outer end 9A. A lighting device for a telescopic pole for a vehicle according to any one of the preceding claims.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Preferred embodiments of the present invention (how to implement the invention) will be briefly described with reference to the drawings, showing the operational effects thereof.

The metal tube 9 is disposed by fitting the V-shaped portion 9B into the mounting hole 8 provided on the fitting peripheral surface of the storage tube 7, and the storage tube 7 is fitted to the fitting mounting portion 6. When fitted and connected, the square-shaped portion 9B protrudes inward from the mounting hole 8, and the storage tube 7
It comes into elastic contact with the metal telescopic pole 1 housed inside.

Also, the outer end 9A of the metal contact plate 9
Is fixed in a state where it is exposed to the outside from this fitting portion. If, for example, an earth lead 10 is connected to the outgoing end 9A, the earth lead 10 and the metal telescopic pole 1 form a metal contact plate 9 Thus, the electrical connection can be made securely, and the connection on the earth side can be made simply and surely.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Specific embodiments of the present invention will be described with reference to the drawings.

In this embodiment, the telescopic pole 1 is automatically operated by operating the feeding drive unit 3 by remote control from inside the vehicle.
Is a corner pole that is automatically supplied with power to the light-emitting section 4 at the tip when turned, and is lit. The main body part a is stored and mounted in the bumper 11, and the telescopic pole 1 is mounted on the bumper.
The present invention is applied to one that extends upward from the 11 mounting holes 12.

First, a schematic configuration of the corner pole will be described.

A feeding drive unit 3 having a reversible motor 14 as a drive source is provided in a main body case 13 which is mounted and fixed in a bumper 11 of a vehicle in a stored state.

The feeding driving device 3 has the following configuration.

A worm provided on a rotating shaft 15 of the motor 14
A small gear 18 is provided on a worm wheel 17 that meshes with 16, a large mesh 19 that meshes with the small gear 18, and a pinion 20 is provided on the large mesh 19.

The pinion 20 is configured to mesh with rack teeth 21 formed on the outer surface of the drive cord 2 which is introduced along the main body case 13 (along the guide portion).

Therefore, when the motor 14 is rotated, the pinion 20 is rotated via the rotation transmission mechanism such as the worm, and the drive cord 2 is fed upward, whereby the telescopic pole 1 is extended, and the pole 1 is extended in the opposite direction. When the motor 14 is rotated, the drive cord 2 is drawn around the case 13 so as to circulate in the case 13 so that the telescopic pole 1 is reduced.

In the present embodiment, a cylindrical fitting mounting portion 6 serving as an introduction port of the drive cord 2 is integrally formed on the main body case 13 so as to protrude upward. The storage tube 7 is press-fitted and connected, and the metal telescopic pole 1 is stored in the storage tube 7 so that the outermost pole 1A cannot be pulled out.

The upper end of the storage tube 7 is located in a mounting hole 12 provided in the bumper 11, and a fastening ring 22 screwed to the upper end of the storage tube 7, and is screwed to the storage tube 7. Tightening ring 23
And press down the bumper 11 via the ring receiver 25, and
And the storage tube 7 are firmly positioned and fixed, and the metal telescopic pole 1 is configured to protrude upward from the mounting hole 12.

Further, in this embodiment, a plurality of types of storage pipes 7 having different lengths and shapes are prepared in accordance with the mounting position and mounting space of the main body part a due to the difference in the model of the vehicle. The storage tube 7 is selected according to the model (a length matching the distance between the main body portion a and the mounting hole 12 is selected), and the storage tube 7 is press-fitted into the fitting mounting portion 6. It is configured to match.

Next, a power supply unit for the light emitting unit 4 according to the present invention will be described.

A light emitting portion 4 is provided at the tip of the corner pole as described above, and the power supply means of the light emitting portion 4 is such that the conductive core wire 5 passing through the inside of the drive cord 2 has a plus side, The pole 1 itself is used as the ground side.

The end of the core wire 5 on the positive side is connected to a metal cap 24 fitted to the end of the drive cord 2. The metal cap 24 at the end of the cord 2 is
Are extended upward as described above, and when the metal telescopic pole 1 is most extended, it comes into elastic contact with a contact (not shown) provided in the case 13 and is electrically connected to a plus wire wired to the controller. It is configured so that:

On the other hand, the metal telescopic pole 1 itself used as the ground side is connected to the ground lead 10 which is a ground side terminal to be wired to the controller. I have.

Hereinafter, this ground connection structure of the present embodiment, which is the gist of the present invention, will be described in detail.

A main body case in which the feeding drive device 3 is stored.
A long groove-shaped mounting hole portion 8 is inserted and connected to a cylindrical fitting connection portion 6 protruding from 13, and communicates with the inside of the insertion portion peripheral surface of a storage tube 7 for storing the telescopic pole 1.

The V-shaped portion 9B is fitted into the mounting hole 8 so that the V-shaped portion 9B protrudes into the inside, and the metal contact plate member 9 which can come into elastic contact with the outer surface of the telescopic pole 1 is inserted into the storage tube 7. Interposed between the peripheral surface and the fitting attachment portion 6,
The end 9A of the metal contact plate 9 is led out and exposed to the outside of the fitting portion as an outgoing end 9A, and the outgoing end 9A is used as a ground connection end.

In this embodiment, the metal contact plate member 9 is formed of a single thin plate-shaped metal plate, and this metal plate is bent to form the above-mentioned square-shaped portion 9B and to the outside. The leading end is folded back and exposed to the outside of the fitting portion between the fitting attachment portion 6 and the housing tube 7 to provide the outside end 9A, and the ground end 10 is connected to the outside end 9A. It is configured to be.

Therefore, in the present embodiment, a long groove-shaped mounting hole 8 is provided.
After the metal contact plate 9 is positioned by fitting the strip-shaped U-shaped portion 9A to the fitting, the storage tube 7 is simply inserted into the fitting mounting portion 6 and fitted and connected. 9B protrudes inward from the mounting hole 8 and makes elastic contact with the metal telescopic pole 1 housed in the housing tube body 7 by means of a leaf spring. It is electrically connected without causing a defect.

The outer end 9A of the metal contact plate 9
Is fixed in a state where it is exposed to the outside from the fitting portion. If the ground lead 10 is connected to the outgoing end portion 9A,
The ground lead 10 and the metal telescopic pole 1 are securely and electrically connected via the metal contact plate 9, and the ground connection is made simple and reliable, and the connection reliability can be improved by improving the accuracy of the contact position. Becomes

More specifically, a concave step 27 having a plate thickness of approximately the thickness for positioning and engaging the metal contact plate 9 is formed on the inner peripheral surface of the fitting portion 6 and the fitting portion of the storage tube 7.

The fitting mounting portion 6 is formed with an insertion guide recess 28 protruding from the peripheral surface thereof, and the insertion guide recess 28 is formed on the insertion portion peripheral surface of the storage tube 7.
A key-shaped convex portion 29 is provided so as to be inserted and fitted into the housing tube 7. The so-called key fitting operation allows the storage tube 7 to be inserted and fitted into the fitting mounting portion 6 while being guided and prevented from rotating. .

In this embodiment, the outgoing end 9A of the metal contact plate 9 is bent so as to be in contact with the outer surface and the outer upper surface of the protruding insertion guide concave portion 28, and the metal contact plate 9 is bent. Is positioned in the mounting hole portion 8 and the storage tube 7 is simply inserted into the fitting mounting portion 6 so that the outer end portion 9A
Is always arranged to abut on the outer upper surface of the insertion guide recess 28.

Further, a screw hole (mounting hole) 30 matching the outer end portion 9A and the upper surface of the insertion guide concave portion 28 is provided.
A mounting hole 32 is provided at a position corresponding to the screw hole 31 of the insertion guide concave portion 28, and the connection end of the ground lead 10 similarly provided with the mounting hole 33 is applied, and the screw 34 is attached to the mounting hole 33. 30
· The fitting between the storage tube 7 and the fitting attachment portion 6 is fixedly fastened by being inserted and screwed into 31 and 32, and the outgoing end 9A.
And the earth lead 10 are connected and fixed.

Therefore, in this embodiment, the screwing position is determined only by positioning the metal contact plate 9 in the mounting hole 8 and inserting the storage tube 7 into the fitting mounting portion 6 in a predetermined insertable direction. Just by screwing and fixing, the earth lead 10 can be securely connected and fixed to the metal contact plate 9, and the connection on the earth side is completed.

In this embodiment, since the storage tube 7 is inserted into and connected to the fitting mounting portion 6, the V-shaped portion 9B of the metal contact plate 9 protrudes into the storage tube 7 located inside. An engaging hole 8 to be engaged is formed with an opening.

Further, as shown in FIG. 6, the metal contact plate 9 may be provided with a split groove 9C in the V-shaped portion 9B so as to further enhance the contact stability.

[0041]

Since the present invention is constructed as described above, the storage tube body in which the metal contact plate is simply disposed and the metal expansion / contraction pole is stored is fitted to the drive pipe provided in the main body portion as the introduction port of the drive cord. Just by fitting and connecting to the mounting part, the metal telescopic pole and the metal contact plate are electrically connected, and the outer end of the metal contact plate is exposed to the outside. The ground connection can be easily completed simply by connecting the terminals, and the connection is highly reliable and the lighting device of the telescopic pole for a vehicle is revolutionary, in which disconnection and poor contact are less likely to occur.

According to the second aspect of the present invention, the same operation and effect as described above can be obtained simply by positioning the metal contact plate in the mounting hole and inserting the housing tube into the fitting mounting portion. It is an extremely revolutionary vehicle telescopic pole lighting device that is easy to manufacture, does not require cost, and improves mass productivity.

According to the third aspect of the present invention, since the metal contact plate only needs to be formed by bending the plate, the number of parts can be reduced as much as possible. Device.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a main part of the present embodiment.

FIG. 2 is an explanatory perspective view of a main part in an assembled state of the embodiment.

FIG. 3 is an explanatory front view showing a wiring structure in an assembled state of the embodiment.

FIG. 4 is a front sectional view illustrating a configuration in a use state of the embodiment.

FIG. 5 is an explanatory diagram showing a use state of the embodiment.

FIG. 6 is an explanatory perspective view of a second embodiment showing a case where a split groove is provided in a metal contact plate.

[Explanation of symbols]

 DESCRIPTION OF REFERENCE NUMERALS 1 Metal telescopic pole 1A Metal pole 2 Drive cord 3 Feeding drive 4 Light emitting unit 5 Core wire 6 Fitting mounting unit 7 Storage tube 8 Mounting hole 9 Metal contact plate 9A Contact end, outside end 9B Part 10 Ground end a Main unit

Continued on the front page (72) Inventor Hiroshi Tanuma 1112 Shinnohara, Tomioka-shi, Gunma Inside the Yokoo Tomioka factory

Claims (3)

[Claims] A drive cord is disposed inside a metal telescopic pole in which a plurality of metal poles having different diameters are slidably overlapped with each other, and the drive cord is extended and retracted by operating the extension driving device. The pole is configured to extend and contract, and a light emitting unit is provided at a tip end of the telescopic pole when extended, and a core wire provided in the drive cord and the telescopic pole itself are used as power supply means for the light emitting unit. In the lighting device of the telescopic pole for vehicles,
A fitting hole portion is provided which is fitted and connected to the fitting mounting portion of the main body portion provided with the feeding drive device, and which communicates with the inside on the fitting tube peripheral surface of the housing tube or the fitting mounting portion for storing the telescopic pole. A metal contact plate that can protrude into the inside from the mounting hole and come into contact with the outer surface of the metal telescopic pole is disposed on the peripheral surface of the fitting portion, and an end of the metal contact plate or the metal contact plate is A lighting device for a telescopic pole for a vehicle, wherein a contact end provided in a conductive state is exposed to the outside of the fitting portion as an outside end, and the outside end is used as a connection end. 2. A mounting hole portion which is inserted and connected to a cylindrical fitting connection portion of a main body portion provided with the extension driving device, and which communicates with the inside on a peripheral surface of an insertion portion of a storage tube for storing the telescopic pole. A metal contact plate material which can be fitted into the mounting hole so that the U-shaped portion protrudes into the inside and the elastic contact with the outer surface of the telescopic pole is made into the fitting portion peripheral surface of the storage tube body. Interposed and disposed between the mounting portion, the end of the metal contact plate or a contact end provided in a conductive state with the metal contact plate is exposed to the outside of the fitting portion as an outgoing end,
2. The lighting device for a telescopic pole for a vehicle according to claim 1, wherein the outside end is used as a connection end. 3. The metal contact plate member is formed of a metal plate, and the metal plate is bent to form the V-shaped portion, and the end is turned back to form the fitting attachment portion and the storage tube. The outside end is provided so as to be exposed to the outside of the fitting part, and the outside end is connected to a ground end. 4. The method according to claim 1, wherein the outside end is connected to a ground end. Lighting device for telescopic poles for vehicles.