JP2000142176A - Connecting method of vehicle electric product using electric wirings - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connecting method of electric products for a vehicle using electric wirings, wherein low-cost elastic members capable of expanding and contracting are used effectively and connections of adjoining products are established while the electric wirings are precluded from biting in. SOLUTION: When a measuring instrument 20 is to be connected with a head-up display by electric wirings 34, wirings 34 are drawn out through a rear wall opening in an instrument panel and connected with the instrument 20 in the condition that the head-up display is installed on the upper wall of the panel in such a way that a rubber member 37 is elongated against elasticity, and then the rubber member 37 is shrunk by the elasticity when the instrument 20 is installed at the rear wall opening in the panel. At this time, the middle part of the wirings 34 is drawn aside as a slack by the rubber member 37 in the direction along the external wall 31d of the head-up display.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for connecting both electric products, such as a vehicle instrument and a head-up display, which are located close to each other, and other various electric products for a vehicle by electric wiring.

[0002]

2. Description of the Related Art For example, in a vehicle, an instrument 1 and a head-up display 2 are provided adjacent to each other on an upper wall of an instrument panel of the vehicle as shown in FIG. In some cases, the connector is connected to the connector of the electrical wiring of the instrument 1.

[0003]

By the way, in the process of connecting the electric wiring as described above, the electric wiring 3
Due to slack, the intermediate portion 3a of the electric wiring 3
Is caught in the area 4 between the facing outer wall portions 1a and 2a of the instrument 1 and the head-up display 2 as shown in FIG.

In order to prevent the electric wires 3 from being jammed as described above, a slack of the electric wires 3 is provided by providing a clamp on the electric wires 3 or winding the electric wires 3 around a rigid rod. In a predetermined position. However, in this case, there arises a problem that the cost of the clamp and the rod is increased, and an additional man-hour is required to reduce the slack of the electric wiring 3 to a predetermined position.

Therefore, in order to cope with the above, the present invention makes effective use of inexpensive elastic members which can be extended and contracted by electric wiring between both electric appliances adjacent to each other. It is an object of the present invention to provide a method for connecting vehicle electrical products by electric wiring, which can be easily performed while preventing biting.

[0006]

In order to solve the above-mentioned problems, according to the first aspect of the present invention, there is provided an electric vehicle which is mounted on a vehicle so as to be closely opposed to each other by opposed walls (21b, 31c). A connection for connecting an electric wiring (34) extending from an outer wall (31b) other than the opposing wall of one electric product of one of the products (20, 30) to the other electric product through an outer wall other than the opposing wall. In the method, a stretchable elastic member (37) is connected between an intermediate portion of the electric wiring and a part of the outer wall of one of the electric products, and when the electric products are connected by the electric wiring, the electric wiring is elastically connected. The elastic member is connected to the other appliance so as to be stretched against the elasticity of the member, and then the elastic member is contracted by its elasticity.

Accordingly, the intermediate portion of the electric wiring is pulled as a slack by the elastic member in a direction along the outer wall other than the opposing wall of the one electric product, so that the other electric product approaches the one electric product during the approach process. In addition, the intermediate portion of the electric wiring is not bitten between the opposing walls of both electric products. Therefore, by using the elastic member as described above, it is not necessary to confirm the presence or absence of the above-mentioned biting of the electric wiring, and a good state of the electric wiring is secured without causing disconnection or the like due to the biting. In addition, it is possible to easily perform a connection operation by electric wiring to both electric products.

According to the second aspect of the present invention, the upper wall (11) and the rear wall (12) of the instrument panel (10) of the vehicle oppose each other (21b, 31).
c) The outer wall (31) of the head-up display other than the above-mentioned opposing wall of the head-up display (30) and the meter (20) provided so as to be close to and opposed to each other.
b) a connection method for connecting an electric wiring (34) extending from b) to an instrument through an outer wall other than the opposing wall, wherein the electric wiring is extendable between an intermediate portion of the electric wiring and a part of the outer wall of the head-up display. Flexible elastic members (37),
When the instrument is connected to the head-up display by electric wiring, the electric wiring is stretched against the elasticity of the electric member while the head-up display is provided on the upper wall of the instrument panel. The elastic member is contracted by its elasticity when pulled out through the wall and connected to the instrument, and then when the instrument is attached to the rear wall of the instrument panel.

Thus, the intermediate portion of the electric wiring is drawn as a slack by the elastic member in a direction along the outer wall other than the above-mentioned opposite wall of the head-up display, so that the head-up display when the instrument is mounted on the rear wall of the instrument panel. In the process of approaching, the middle part of the electric wiring is not caught between the opposing walls of the head-up display and the instrument.

Therefore, by utilizing the elastic member as described above, it is not necessary to confirm the presence or absence of the above-mentioned biting of the electric wiring, and it is possible to improve the electric wiring without breaking the wire due to the biting. The connection operation by electric wiring to the head-up display of the instrument can be easily performed while ensuring the state. According to the invention described in claim 3, in the invention described in claim 1 or 2, the elastic member may be a longitudinal rubber member. Thereby, the operation and effect of the invention described in claim 1 or 2 can be achieved without increasing the cost.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIG.
4 through FIG. FIG. 1 shows an example in which the present invention is applied to an instrument 20 and a head-up display 30 provided on an instrument panel 10 of a vehicle. Note that the instrument panel 10 extends downward from the lower edge of the front windshield 40 of the vehicle toward the interior of the vehicle, and the instrument panel 10 is formed by an upper wall 11 and a rear wall 12. It is configured.

The instrument 20 includes an instrument panel 10
The head-up display 30 is mounted on an opening 12a formed in the upper part of the driver's seat side of the rear wall 12 through an annular cluster 13 from the rear side thereof. It is attached to the opening 11a formed in the seat side portion from the back side thereof. Thus, the meter 20 and the head-up display 30 are located close to each other. The cluster 13 is attached to the opening 12a.

The instrument 20 includes two circuit boards 22 and 23 supported in a casing 21, and a display 24 is mounted on the instrument panel 10 on the side of the opening 12 a of the instrument panel 10. Thereby, the display 24
Are displayed in the line of sight of the occupant M sitting on the driver's seat through the front panel 25 and the cluster 13. The front panel 25 is attached to the opening of the casing 21 on the back side of the cluster 13.

The connector member 26 is provided on the circuit board 23 as shown in FIG.
The connector member 2 is provided at the upper end in the figure.
6 is the connecting end face 26a of the casing 21 shown in FIG.
Is exposed upward through the illustrated opening 21a. The head-up display 30 includes a liquid crystal panel 32 and a reflection mirror 3 supported in a casing 31 so as to face each other.
The liquid crystal panel 32 displays the vehicle speed of the vehicle toward the reflection mirror 33 using light as a medium.

The reflection mirror 33 transmits light from the liquid crystal panel 32 through the light transmitting portion 31a of the casing 31 and the opening 11a of the instrument panel 10 to a portion of the front windshield 40 corresponding to the front view area of the driver M (hereinafter referred to as a portion). , The front view area). As a result, the front windshield 40 reflects the light from the reflection mirror 33 toward the driver's line of sight in the front view area, thereby increasing the vehicle speed in front of the front view area. This is displayed as a virtual image L.

The head-up display 30 is provided with an electric wiring 34. The electric wiring 34 passes through a through hole (not shown) of the upper wall 31b of the casing 31 at its base. It is connected to a liquid crystal panel circuit board (not shown). Further, a connector member 35 which forms a connector together with the connector member 26 is connected to the distal end of the electric wiring 34, and the connector member 35 passes through the opening 21 a of the casing 21 at the connection end face 35 a thereof. 26, and is electrically connected to the connector member 26.

Here, in such a connected state,
The outer wall 21b of the casing 21 (hereinafter, referred to as the opposing wall 21b) is connected to the outer wall 31c of the casing 31 (hereinafter, the opposing wall 3).
1c) (see FIG. 1). As shown in FIG. 2, the protrusion 36 is provided on an outer wall 31d of the casing 31 of the head-up display 30 (adjacent to the opposing wall 31c).
6 is formed to protrude in a curved shape from the upper end corner of the outer wall 31d in FIG. 2 in a direction away from the opposing wall 31c.

As shown in FIG. 2, the rubber member 37 has a projection 36 formed by a ring 37a formed at one end thereof.
The ring portion 37b formed at the other end of the rubber member 37 is fitted to the substantially central portion of the electric wiring 34 from the outside so as to be relatively immovable. However, in the present embodiment, the entire length of the rubber member 37 is set such that when the electric wiring 34 is in an open state, a substantially central portion of the electric wiring 34 is drawn near the protrusion 36.

Next, a method of connecting the meter 20 and the head-up display 30 having the above-described configuration by the electric wiring 34 will be described with reference to FIGS. First,
Opening 1 of instrument panel 10 with cluster 13
2a. Then, the head-up display 30 is attached to the opening 11a of the upper wall 11 of the instrument panel 10 from the back side as shown in FIG. Thereafter, the electric wiring 34 is pulled out from the opening 12 a of the instrument panel 10 toward the driver's seat side against the elasticity of the rubber member 37. At this time, the rubber member 37 easily extends as shown by the arrow in FIG. The instrument 20 is placed on, for example, a driver's seat.

In such a state, the connector member 35 of the head-up display 30 is connected to the opening 21 a of the casing 21 of the gauge 20 against the elasticity of the rubber member 37.
And connected to the connector member 26. Thereafter, the instrument 20 is inserted into the back side of the instrument panel 10 through the opening 12a. Accordingly, the rubber member 3
7, due to its elasticity, the outer wall 31d of the casing 31
(Refer to the direction of the arrow shown in FIG. 4) to pull the substantially central portion of the electric wiring 34 toward the projection 36.

In other words, the substantially central portion of the electric wiring 34 is pulled as a slack toward the projection 36 by the rubber member 37 in a direction along the outer wall 31d of the casing 31.
In the process of inserting the instrument 20 through the opening 12a and approaching the head-up display 30, the electric wiring 34
Is not caught between the opposing wall 21b of the casing 21 and the opposing wall 31c of the casing 31 (see FIG. 4).

Therefore, by using the rubber member 37 as described above, it is not necessary to confirm the presence or absence of the above-mentioned biting of the electric wiring 34, and it is possible to prevent the electric wiring 34 from being disconnected due to the biting. While ensuring the good condition of
In addition to easily connecting the instrument 20 to the head-up display 30 by the electric wiring 34, the instrument 20 can be attached to the opening 12 a of the instrument panel 10 via the cluster 13.

In this case, since the rubber member 37 is used,
There is no increase in cost. FIG. 5 shows a modification of the above embodiment. In this modification, the forked protrusion 38 is provided on the outer wall 31 d of the casing 31 instead of the protrusion 36 described in the above embodiment. The bifurcated projection 38 has both projections 38a and 38b. The protruding portion 38a is formed so as to be curved in a direction away from the opposing wall 31c from an upper middle portion of the outer wall 31d of the casing 31 shown in FIG. On the other hand, the protruding portion 38b is formed to protrude in a curved shape from the middle portion of the outer wall 31d of the casing 31 shown in FIG. 5 to the protruding portion 38a side, and the tip of the protruding portion 38b is And a gap g is formed therebetween.

Here, the gap g is set to a value slightly smaller than the thickness of the rubber member 37 when the rubber member 37 described in the above embodiment is not extended.
The projections 38a and 38b have curved shapes that project in opposite directions. In addition, the rubber member 37 is attached to the protrusion 38a of the forked protrusion 38 at its ring portion 37a.
The protrusions 38a and 38b are fitted from the outside through a gap g between the respective tips. Other configurations are the same as those of the above embodiment.

According to this modified example having the above-described structure,
The same operation and effect as the above embodiment can be achieved. In this case, since the gap g is set as described above, when the rubber member 37 is not extended, the thickness of the rubber member 37 is larger than the gap g. Therefore, the rubber member 37 does not detach from the forked protrusion 38.

In implementing the present invention, in the above embodiment and its modifications, the connection by the electric wiring 34
Although the example using the rubber member 37 has been described, the invention is not limited thereto, and a longitudinal elastic member that can be expanded and contracted by elasticity may be employed instead of the rubber member 37. Further, in the above-described embodiment and its modified example, the example in which the meter 20 is connected to the head-up display 30 by the electric wiring 34 has been described. However, the present invention is not limited thereto. When connecting by electric wiring, the same operation and effect as the above embodiment can be achieved even if the present invention is applied. In this case, each of the electric appliances is not limited to those provided on the instrument panel 10.

Further, in the above-described embodiment and the modified examples, the example in which the electric wiring 34 extends from the upper wall 31b of the casing 31 has been described.
May extend from the outer wall of the casing 31 other than the opposing wall 31c. Further, the electric wiring 34 may extend from an outer wall other than the opposing wall 21 b of the casing 21. In the embodiment of the present invention, the electric wiring 34 may be a wiring harness or other various wiring members.

[Brief description of the drawings]

FIG. 1 is a sectional view showing an embodiment of the present invention.

FIG. 2 is a schematic partial perspective view of the head-up display of FIG.

FIG. 3 is a schematic perspective view showing a state where the meter of FIG. 1 is connected to a head-up display by electric wiring.

FIG. 4 is a schematic perspective view showing a state where the meter of FIG. 1 is connected to a head-up display by electric wiring.

FIG. 5 is a perspective view showing a modification of the embodiment.

FIG. 6 is a perspective view showing a state in which an instrument is connected to a conventional head-up display by electric wiring.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 10 ... Instrument panel, 11 ... Upper wall, 12 ... Rear wall, 20 ... Instrument, 21b, 31c ... Opposite wall, 30 ... Head-up display, 31d ... Outer wall, 36 ... Projection, 3
4: electric wiring, 37: rubber member, 38: bifurcated projection.

Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat II (Reference) B60R 16/02 640 B60R 16/02 640K

Claims (3)

[Claims] 1. Opposite walls (21b, 31c) on a vehicle
The two electrical products (2
0, 30), wherein the electric wiring (34) extending from the outer wall (31b) other than the opposing wall of one electric product is connected to the other electric product through the outer wall other than the opposing wall. Connecting an extendable elastic member (37) between an intermediate portion of the electric wiring and a part of the outer wall of the one electric product, and connecting the electric products by the electric wiring; Connecting the electric wiring for a vehicle with electric wiring, wherein the wiring is connected to the other electric product so as to extend against the elasticity of the elastic member, and then the elastic member is contracted by the elasticity. Method. 2. An instrument panel (10) for a vehicle.
The head-up display (30) and the meter (2) are provided so as to be opposed to the upper wall (11) and the rear wall (12), respectively, at the opposing walls (21b, 31c).
0), the electric wiring (3) extending from the outer wall (31b) other than the opposing wall of the head-up display.
4) through the outer wall of the meter other than the opposing wall to the meter, wherein the elastic member (3) is expandable and contractible between an intermediate portion of the electric wiring and a part of the outer wall of the head-up display.
7), when connecting the meter to the head-up display by the electric wiring, the electric wiring is connected to the elastic member while the head-up display is provided on the upper wall of the instrument panel. The instrument is pulled out through the rear wall of the instrument panel so as to be stretched against and connected to the instrument, and then the elastic member is contracted by its elasticity when the instrument is attached to the instrument panel rear wall. A method for connecting electric appliances for vehicles by electric wiring. 3. The connection method according to claim 1, wherein the elastic member is a longitudinal rubber member.