JPH0641352Y2 - Power supply rail plug - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION The present invention can receive electric power by assembling to a power feeding rail arranged at a high place such as a ceiling part, and can move along the power feeding rail to set an illumination position within a predetermined range. The present invention relates to a power supply rail plug that can be arbitrarily changed and set.

[0002]

2. Description of the Related Art Conventionally, a plug shown in FIG. 6 has been known as a plug for a power feeding rail of this type. This power supply
The plug 1 for plugs includes a plug body 1A and this plug body 1
A lid 1B detachably attached by closing the upper opening of A
A known energization mechanism (not shown) is housed in an internal space surrounded by the two 1A and 1B. Above the lid 1B, the power receiving contact pieces 2A, 2B having a widthwise dimension indicated by w1 and the widthwise dimension w2 slightly larger than the widthwise dimension w1 are provided near the lower sides of the power receiving contacting pieces 2A, 2B. The engagement / disengagement portion 2 formed of the provided locking pieces 2C, 2D is provided in a protruding manner, and the power receiving contact pieces 2A, 2B are electrically connected to the energizing mechanism in the internal space. On the other hand, a detaching operation member 3 is attached to one side of the power feeding rail plug 1 so as to be vertically movable. The removal operation member 3 is
The elastic member (not shown) housed in the internal space is always held at the upper limit position by the urging force, and the upper end lock portion 3A thereof is projected slightly above the base 1B. An inclined surface 3a having a downward slope is formed on one side in the width direction. Further, a ring-shaped ON / OFF operating member 4 for ON / OFF operating a power switch (not shown) housed in the internal space is vertically provided on the other side of the power feeding rail plug 1. . In the figure, 5 denotes a bracket, which is detachably attached to the plug body 1A,
A lighting fixture 6 is attached to the bracket 5.

The feeding rail 7 of FIG. 7 has a downward opening 7
Feeding conductors 7B and 7C facing each other on both sides in the width direction of A
Are evenly arranged in the longitudinal direction, and the feeding conductors 7B, 7
The engaging grooves 7D and 7E are formed on the lower side of C so as to face each other in the longitudinal direction with a uniform cross section.
C is electrically connected to a power supply circuit (not shown). Then, the facing distance w3 between the power supply conductors 7B and 7C
Is set to be equal to the widthwise dimension w1 (see FIG. 6) of the power receiving contact pieces 2A, 2B in the engagement / disengagement portion 2, and the locking grooves 7D, 7E.
The widthwise dimension w4 is the widthwise dimension w of the locking pieces 2C and 2D.
2 (see FIG. 6), the length L1 of the power receiving contact pieces 2A and 2B is set to be larger than that of the locking piece 2.
It is set to be larger than the longitudinal dimension L2 of C and 2D, and the power feeding rail 7 is set to be larger than the longitudinal dimension L2 of the locking pieces 2C and 2D.
The widthwise opening dimension W of the downward opening 7A in FIG. Further, the width dimension w5 (see FIG. 6) of the removal operation member 3 is set to be slightly smaller than the width direction opening dimension W of the downward opening 7A.

Next, a procedure for attaching / detaching the power feeding rail plug 1 to / from the power feeding rail 7 shown in FIG. 5 will be described. A. When mounting the power feeding rail plug 1 to the power feeding rail 7. As shown in FIG. 8, on the lower side of the power feeding rail 7, the width direction of the locking pieces 2C and 2D is made to correspond to the longitudinal direction of the downward opening 7A of the power feeding rail 7, and then the power receiving rail 7 is received. The contact pieces 2A, 2B and the locking pieces 2C, 2D are fitted into the feeding rail 7 through the opening 7A. ． 6 and 8 in the direction of arrow A, that is, the upper end lock portion 3A of the removal operation member 3
The plug 1 is rotated 90 degrees to the side of the inclined surface 3a formed in the above. ． During the rotation, the inclined surface 3 of the upper end lock portion 3A
a interferes with the lower surface of the power feeding rail 7, and the removal operation member 3 is pushed down against the urging of the elastic member due to continued rotation. ． As shown in FIGS. 9 and 10, when the 90 ° rotation is completed, both ends of the power receiving contact pieces 2A, 2B are brought into contact with the power feeding conductors 7B, 7C to obtain an electrically connected state, and the locking pieces are also provided. 2C and 2D engage with the locking grooves 7D and 7E, and the mounting state in which the upper end lock portion 3A of the removal operation member 3 pushed up by the elastic member is fitted into the downward opening 7A can be obtained. B. When the power feeding rail plug 1 is removed from the power feeding rail 7 for the purpose of changing the mounting position or maintenance. As indicated by an arrow B in FIG. 6, the removal operation member 3 is pushed down with a fingertip. As a result, as shown in FIG. 11, the upper end lock portion 3A of the removal operation member 3 is retracted into the lid 1B. ． The plug 1 is rotated 90 degrees in the direction of arrow C in FIGS. 6 and 9. ． Upon completion of the 90 ° rotation, the power receiving contact pieces 2A, 2B and the locking pieces 2C, 2D are displaced in the power feeding rail 7 as shown in FIG. By pulling down the plug 1 in this state, the power feeding rail plug 1 can be removed from the power feeding rail 7.

On the other hand, the power switch of the power feeding rail plug 1 attached to the power feeding rail 7 is turned on / off.
When operating, a hook (not shown) is hooked on the ring-shaped ON / OFF operating member 4 and pulled downward.

However, the conventional power supply rail plug 1 is used.
When removing this from the power feeding rail 7, in order to release the fitting between the upper end lock portion 3A of the removing operation member 3 and the opening portion 7A of the power feeding rail 7, B. As described above, the removal operation member 3 must be pushed down with a fingertip. For this pressing operation, first remove the fingertip and operate the operation member 3
It is necessary to perform a first-step operation of abutting against the first step and a second-step operation of changing the direction and pressing the removal operation member 3 downward while maintaining the abutted state of the fingertip. That is, there is a drawback that the operation for detaching the upper end lock portion 3A of the removal operation member 3 from the opening portion 7A of the power feeding rail 7 is complicated. The ON / OFF operation of the power switch performed with the power supply rail plug 1 attached is performed by hooking a hook (not shown) on the ring-shaped ON / OFF operation member 4 and pulling the hook downward. To be done. However, the ring-shaped ON / OF is located at a high place
The work of hooking the hook on the F operation member 4 is extremely troublesome, and makes the ON / OFF operation of the power switch difficult.

[0007]

The problem to be solved is that when the plug for the power feeding rail is removed, the operation for detaching the upper end lock portion of the removal operation member from the opening of the power feeding rail is required. Complexity and power switch O
It is difficult to operate the ON / OFF operation member for N / OFF.

[0008]

SUMMARY OF THE INVENTION According to the present invention, feeding conductors are uniformly arranged in the longitudinal direction so as to face each other on both sides in the width direction of a downward opening, and the feeding conductors are arranged on one side in the height direction. Retaining grooves are detachably attached to a power feeding rail formed to face each other with a uniform cross section in the longitudinal direction, and are lowered due to interference with the lower surface of the rail during mounting on the power feeding rail. The plug is allowed to rotate in the mounting direction, and at the mounting position, it is raised by the urging of the elastic member so that the upper end lock portion is moved to the above-mentioned position.
ON / OFF of power switch
In a power supply rail plug provided with an OFF operation member, the removal operation member is rotatably abutted on the elastic member by fulcrums horizontally provided on both sides in the width direction and the upper end lock portion is provided on the plug surface. The ON / O is projected from a through hole formed in the side wall of the plug and supported in the plug.
The FF operation member is projected to the outside, and the purpose is to facilitate the operation for separating the upper end lock portion of the removal operation member from the opening of the power feeding rail and the operation of the ON / OFF operation member. Achieved

[0009]

According to the present invention, the upper end lock portion can be disengaged from the opening portion of the power feeding rail only by grasping the removal operation member. Also, ON at the tip of the operating rod member.
By pressing the OFF operation member in the specified direction,
The power switch can be turned on and off.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. The difference between the present invention and the conventional example described in FIGS. 4 to 5 is that the removal operation member 3 and ON / OFF
Since only the structure of the operating member 4 and the other parts are configured in the same manner as the conventional example, the operation member 3 and the detaching operating member 3 are turned on and off.
Only the operation member 4 will be described. FIG. 1 is a front view of a power supply rail plug to which the present invention is applied, FIG. 2 is a plan view of the same, and FIG. 3 is a plan view of a removal operation member. Is attached. In these drawings, the removal operation member 3 is provided with fulcrums 3B, 3B horizontally on both sides in the width direction.
B and 3B as shown in FIGS. 4 and 5, the plug body 1
The elastic members (leaf springs) 8 are abutted on the support portions 10, 10 formed on both side walls of A in a freely rotatable manner. In addition, from the through hole 9 formed in one side wall of the plug body 1A,
The ON / OFF operation member 4 is projected to the outside.

With such a construction, the one-touch operation of gripping the removal operation member 3 of FIG. 1 and applying a force in the direction of arrow F causes the removal operation member 3 to move to the fulcrum 3B, as shown by phantom lines in FIG. 3B is rotated counterclockwise about the rotation center to press the elastic member 8 and the upper end lock portion 3A is retracted in the lid 1B, that is, the upper end lock portion 3A is the opening of the power feeding rail 7. The rotatable state of the power feeding rail plug 1 separated from 7A can be obtained. Therefore, the upper end lock portion 3A of the removal operation member 3 is connected to the power feeding rathe.
The operation for separating from the opening 7A of the rule 7 becomes easy. Further, the ON / OFF operation member 4 is a tip of an operation rod member (not shown) in a predetermined direction (horizontal forward / reverse direction, FIG.
Since the ON / OFF operation of the power switch can be performed by pressing the arrow keys F1 and F2 in FIG.
The operation is easier and the operability is improved as compared with the conventional operation in which the hook is hooked on the ring-shaped ON / OFF operation member 4 and pulled downward.

[0012]

As described above, according to the present invention, since the upper end lock portion can be disengaged from the opening of the power feeding rail by a one-touch operation of simply grasping the detaching operation member, the power feeding rail is used. It becomes easy to operate the removal operation member when removing the plug. In addition, compared with the operation of the ON / OFF operation member by the conventional hooking method, ON / O
The FF operation member can be easily operated and the operability is improved.

[Brief description of drawings]

FIG. 1 is a front view of a power supply rail plug to which the present invention is applied.

FIG. 2 is a plan view of FIG.

FIG. 3 is a plan view of a removal operation member.

FIG. 4 is a plan view of a main part shown with a lid removed.

FIG. 5 is an operation explanatory diagram of a removal operation member.

FIG. 6 is a perspective view showing a conventional power supply rail plug.

FIG. 7 is a perspective view of a power supply rail.

FIG. 8 is a plan view of the power supply rail plug before mounting.

FIG. 9 is a plan view showing a mounting state of a power feeding rail plug.

FIG. 10 is a vertical cross-sectional view showing a mounted state of a power feeding rail plug.

FIG. 11 is a vertical cross-sectional view showing a state before the plug for power feed rail is removed.

[Explanation of symbols]

 1 Power supply rail plug 3 Removal operation member 3A Removal operation part upper end lock part 3B Removal operation part fulcrum 4 ON / OFF operation member 7 Power supply rail 7A Downward opening 7B Power supply conductor 7C Power supply conductor 7D Stop groove 7E Locking groove 8 Elastic member 9 Through hole

Claims (1)

[Scope of utility model registration request] 1. A power supply conductor is uniformly arranged in the longitudinal direction so as to face each other on both sides in the width direction of the downward opening, and a locking groove is formed in the longitudinal direction on one side in the height direction of the power supply conductor. It is removably attached to the power feeding rails formed to face each other with such a cross section, and when it is mounted on the power feeding rails, it lowers due to interference with the lower surface of the rails to rotate the plug in the mounting direction. For a power supply rail that is provided with a removal operation member that is allowed and is raised by the bias of the elastic member at the mounting position so that the upper end lock portion fits into the rail, and an ON / OFF operation member for the power switch. In the plug, the removal operation member is rotatably abutted on the elastic member by fulcrums horizontally provided on both sides in the width direction and is supported in the plug by protruding the upper end lock portion onto the plug surface, and a side wall of the plug. From the through hole formed in -A plug for a power supply rail, characterized in that the OFF operation member projects to the outside.