JPH0670180U - Mounting structure for electrical unit - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a mounting structure for an electrical component unit, which can improve reliability by preventing problems in the wiring of connection electric wires such as electric appliances connected to a connector. [Structure] In a power supply side connector 21 fixed to a mounting opening end portion of a mounting panel 22 by a fixing screw 23, a connection terminal 24 crimped to an end portion of a power supply side connecting electric wire 25 is accommodated. The front end face is provided with a terminal insertion hole 29 and a through hole 21b into which a connection terminal 27 protruding from the front end portion of the electric appliance unit 26 such as a room light and a spring piece 28 to which a ground circuit is connected are inserted. There is. That is, the connection terminal 27 is at a position where it can be inserted into the terminal insertion hole 29, and the spring piece 28 is the through hole 21 of the connector 21.
It is arranged at a position where it can abut the fixing screw 23 exposed in b. Further, the tip of the spring piece 28 is formed in an arc shape so that the contact surface with the outer peripheral surface of the fixing screw 23 increases.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a mounting structure for an electrical component unit that prevents a problem that occurs between an electrical appliance that is mounted on the ceiling of an automobile or the like and its mounting wall surface.

[0002]

[Prior art]

 As a conventional mounting structure for an electrical unit mounted on the ceiling of an automobile or the like, there is a mounting structure disclosed in Japanese Utility Model Laid-Open No. 3-28039. As shown in FIG. 7, a roof wire harness 1 is attached to a vehicle panel 3 by a clamp 2, and then a molded ceiling 4 made of foam material having a skin material attached to both sides is fixed to the vehicle panel 3. At this time, the connector 5 provided at the tip of the wire harness 1 is previously arranged in the mounting hole 4 a of the molded ceiling 4. Next, the connection part 6a of the electrical component 6 such as a room lamp and the connector 5 at the tip of the wire harness 1 are coupled, the electrical component 6 is fixed to the molded ceiling 4 with the bolt 7, and the cover 8 is fitted. is there.

FIG. 8 is a perspective view of a main part of a conventional mounting structure for an electric component unit. In the installation work of electric appliances such as indoor lighting fixtures, it is possible to prevent the wires from hanging down during installation and to hinder the work, and the wire end on the appliance side and the wire end on the power supply side are in unspecified positions. In order to solve various problems caused by the above, a method of attaching and fixing the connector to an electric appliance is adopted. The electrical appliance side connector B in which the male type connection terminal 18 fixed to the end of the electrical appliance side electric wire 18a is inserted into the connector housing 15 is attached to the mounting plate 13 integrally supported on the back surface of the electrical appliance 19. It is hooked on the formed mounting member 13a. Further, a power source side connector C in which a female type connection terminal (not shown) fixed to the end of the power source side electric wire 17a is inserted into the connector housing 10 is provided in advance, and this power source side connector C is connected to an electric appliance. After being inserted into the side connector B 1, the mounting hole 13b is fastened with a screw or the like to the mounting opening 14a provided at a predetermined position of the wall surface 14 from the surface side of the wall surface to mount it on the wall.

[0004]

[Problems to be solved by the device]

 However, in the conventional example shown above, the number of steps required to complete the installation of electrical components is large, and the wire harness hangs down during work, making it difficult to work in narrow spaces, and work efficiency does not improve. There was such a problem. Furthermore, when mounting on the wall surface 14, the extra length of the electric wire 17a connected to the power supply side connector may be caught between the end of the mounting opening 14a and the mounting plate 13. As a result, the electric wire on the power supply side is partially broken and short-circuited, or the electric wire is caught, resulting in an incomplete installation on the wall surface, and there is a risk that the electric appliance will fall off the wall due to vibration or shock. there were.

An object of the present invention is to provide a mounting structure for an electrical unit that can improve reliability by preventing problems in the wiring of connecting electric wires such as electrical equipment connected to a connector.

[0006]

[Means for Solving the Problems]

 The above object of the present invention is to fix the connector also as a ground member in a mounting structure of an electrical unit that energizes the electric appliance through the connector used when arranging the connecting electric wire of the electric appliance. It is fixed to the rear surface of the end of the mounting hole formed on the mounting wall surface with a screw, while at the front end of the electrical unit, there is a connection terminal fitted into the terminal insertion hole of the connector and a grounding piece connected to the grounding circuit. This is achieved by the mounting structure of the electrical component unit, wherein the grounding piece is in contact with the fixing screw when the electrical component unit is fitted into the connector.

[0007]

[Action]

 According to the present invention, as in the above configuration, the power supply side connector is previously screwed to the mounting wall surface with the fixing screw which also serves as the ground member, and the electric device side connector is integrated with the electric device to form a part of the electric component unit. Therefore, it is possible to prevent problems such as biting of the electric wire. Also, when connecting to the power supply side, move the electrical component unit side along the mounting wall to fit the connector and then mount the electrical component unit. Therefore, it is not necessary to screw the electrical component unit directly, which greatly improves the installation workability.

[0008]

【Example】

 Hereinafter, the present invention will be described with reference to the drawings. 1 to 6 show an embodiment of the present invention. 1 is a perspective view showing a mounting state of a power supply side connector, FIG. 2 is a front view showing a mounting state of a power supply side connector, and FIG. 3 is a sectional view taken along line AA of FIG. 1 showing a state before mounting an electric appliance unit. 4 is a sectional view showing a state in which the electric appliance unit is attached, FIG. 5 is a side view of FIG. 3, and FIG. 6 is a side view of FIG. FIG. 1 is a perspective view showing a mounting state of the power source side connector 21 on the mounting panel 22, which is fixed by a fixing screw 23 on the mounting panel 22 connected to the vehicle body, and the electric appliance unit is mounted from the Y direction. Since the connector 21 has a plurality of screw tightening holes 21a formed therein and is fixed to the mounting panel 22 by the fixing screw 23, the fixing screw 23 also serves as a ground member in performing body grounding described later. can do.

As shown in FIG. 2, a power supply side connection terminal 24 is housed inside the connector 21, and a fixing screw 23 penetrates a screw tightening hole 21 a provided at a substantially central portion of the connector 21 to attach a mounting panel 22. More tightened. As shown in FIG. 3, in the cross-sectional view of the power supply side connector 21, the connection terminal 24 crimped to the end portion of the power supply side connection electric wire 25 is accommodated, and the front end surface on the fitting side of the connector 21 has a room light or the like. A terminal insertion hole 29 and a through hole 21b are provided so as to face the connection terminal 27 projecting from the front end of the electric appliance unit 26 and the spring piece 28 to which the ground circuit is connected. That is, the connection terminal 27 is arranged in a position where it can be inserted into the terminal insertion hole 29, and the spring piece 28 is arranged in a position where it can abut the fixing screw 23 exposed in the through hole 21b of the connector 21. The tip of the spring piece 28 is formed in an arc shape so that the contact surface with the outer peripheral surface of the fixing screw 23 increases.

Then, as shown in FIG. 4, when the electric appliance unit 26 is advanced from the Y direction to the power source side connector 21 fixed to the mounting panel 22, the male type connection terminal 27 is fitted into the female type connection terminal 24. When the spring piece 28 is connected, the spring piece 28 is pressed against the fixing screw 23 to bring the earth circuit into conduction, and the body can be earthed.

The fitting of the connector 21 and the electric appliance unit 26 is performed by sliding the electric appliance unit 26 along the mounting panel 22 in the Y direction as shown in FIGS. 5 and 6 which are side views of the fitting process. Then, when the appliance fixing screw 30 is tightened up when fitted as shown in FIG. 6, the locking hook 31 provided on the electric appliance unit 26 is erected in a fallen state, and the electric appliance unit 26 is locked. It can be hooked on the mounting panel 22. Further, at this time, the lower front end of the electric appliance unit 26 abuts on the slope 32a of the stopper piece 32 provided on the mounting panel 22, so that the electric appliance unit 26 can be easily displaced or dropped even if it receives vibration or external force. There is nothing to do. Further, since the connector 21 is fixed to the connection electric wire 25 on the power supply side connector 21 side, no extra length portion is required, and the extra length portion unlike the conventional case is caught between the panel surface and the unit body. Nothing can happen.

[0012]

[Effect of device]

 As described above, according to the mounting structure of the electrical unit of the present invention, since the power supply connector is previously fixed on the mounting wall surface with the fixing screw, the extra length of the wire for fitting with the electrical unit is eliminated. This eliminates the need for any problems, and does not cause problems such as biting in the connecting wires when installing the electrical component unit.Because body fixing is possible with the fixing screw on the power supply side connector, the workability of installing the electrical component unit is greatly improved. The stability of the electrical unit after installation against vibrations has also been greatly improved.

[Brief description of drawings]

FIG. 1 is a perspective view showing a mounting state of a power supply side connector which is an embodiment of a mounting structure of an electric component unit according to the present invention.

FIG. 2 is a front view showing a mounting state of a power supply side connector.

3 is a cross-sectional view taken along the line AA of the power supply side connector in FIG.

FIG. 4 is a cross-sectional view showing a state in which the electric appliance unit is fitted.

FIG. 5 is a side view of FIG.

FIG. 6 is a side view of FIG.

FIG. 7 is an exploded perspective view showing a conventional mounting structure for an electric component unit.

FIG. 8 is a perspective view showing a main part of a conventional mounting structure for an electrical component unit.

[Explanation of symbols]

 21 power supply side connector 21a screw tightening hole 21b through hole 22 mounting panel (mounting wall surface) 23 fixing screw 24 power supply side connection terminal 25 connection electric wire 26 electric instrument unit (electrical unit) 27 electric instrument unit side connection terminal 28 spring piece (ground piece) ) 29 terminal insertion hole 30 fixture fixing screw 31 locking hook 32 stopper piece 32a stopper slope

Claims (1)

[Scope of utility model registration request] 1. In a mounting structure of an electrical equipment unit for energizing an electric appliance through a connector used for arranging a connecting electric wire of the electric appliance, the connector is mounted on a wall surface by a fixing screw which also serves as a ground member. Fixed to the rear surface side of the end of the mounting hole formed on the one side, while the electrical equipment unit front end part, together with the connection terminal fitted into the terminal insertion hole of the connector, the earth piece connected to the earth circuit is projected,
A mounting structure for an electrical component unit, wherein the ground piece contacts the fixing screw when the electrical component unit is fitted into the connector.