JP5537206B2 - Connectors and lighting fixtures - Google Patents

Description

  The present invention relates to a connector that is attached to an adapter that is connected and fixed to a hooking ceiling body, and a direct-attached luminaire that is directly attached to a ceiling surface of a house or the like using this connector.

  As an example of a conventional lighting fixture, there is one in which a connector connected to the tip of a lead wire is attached to an adapter (see, for example, Patent Document 1).

JP 2008-47360 A (FIG. 1, paragraph number 0021)

However, in the conventional lighting apparatus disclosed in Patent Document 1, the lead wire drawn out from the connector is drawn out downward in the same axial and reverse direction as the insertion direction of the connector.
Therefore, in such a lighting fixture, when the lead wire is pulled out in a direction perpendicular to the insertion direction of the connector, even if the lead wire is bent in a direction perpendicular to the connector drawing portion, at least the diameter of the lead wire is equal to the connector. Protruding from the main body was a factor that hindered thinning.

On the other hand, there has also been proposed a lighting fixture in which the lead wire is drawn out in a direction perpendicular to the insertion direction of the connector and the lead wire is regulated by the connector cover. In such a lighting fixture, the lighting fixture is applied to the lead wire. Tension is transmitted directly to the connector cover.
For this reason, in such a lighting fixture, there is a problem that the connector cover must be firmly fixed, thereby inhibiting the miniaturization of the connector.

  The present invention has been made in order to solve the conventional problems, and a connector capable of pulling a lead wire in a direction perpendicular to the insertion direction of the connector by firmly fixing the connector cover while achieving downsizing. It aims at providing a lighting fixture.

The connector of the present invention is a connector for electrically connecting an instrument body to an adapter that is mechanically and electrically connected and held by connecting and fixing to a hooking sealing body, and the connector is a connector made of an insulator. It is composed of a main body, a connector cover, a contact terminal built in the connector main body, and a lead wire connected to the contact terminal. The connector main body is L-shaped, one side of which defines the lead wire drawing direction. a guide wall, below the guide wall corresponding to the bottom side of the L shape, in order to incorporate the contact terminals on the other side which is the insertion direction of the connector has been released without the bottom plate is provided, and the guide wall the is provided with a first locking portion, the connector cover is overall substantially rectangular box shape, having a pair of side walls, a top plate, a bottom plate, and both ends are opened An internal space is formed in the inside, and is cylindrical, and a second locking portion corresponding to the first locking portion provided in the guide wall of the connector body is provided, And the second locking is applied to the connector main body so as to cover the guide wall and the lead wire in the same direction as the lead wire withdrawn , covering the guide wall of the connector main body. parts is shall be fixed is engaged with the first locking portion.

The connector of the present invention, the first locking portion is shall be provided on the ceiling surface of the guide wall.

  In the connector of the present invention, the connector cover does not cover the portion directly under the bent portion where the lead wire is bent along the guide wall from the contact terminal side.

  In the connector of the present invention, the surface of the connector cover covering the release portion below the guide wall is inclined, and the height of the opening on the opposite side is smaller than the opening on the connector main body side.

  In the connector of the present invention, the connector cover has ribs protruding in the width direction on the surface covering the guide wall of the connector body.

  In the connector of the present invention, the connector cover has a rib protruding in the width direction on the surface from which the lead wire is drawn.

  Furthermore, the lighting fixture of this invention is a lighting fixture which mounts one of the connectors mentioned above.

  In the present invention, the connector main body constituting the connector has an L shape, and the lead wire for supplying power can be drawn out by a guide wall provided on one side of the L shape. Further, since the lower portion of the guide wall is released, the contact terminal can be easily incorporated into the other side of the L-shaped connector main body, and the size can be reduced by the plate thickness by not providing the bottom plate. The connector cover has a hollow shape (cylindrical shape) with both ends opened, and covers the lead wire and the guide wall and fits into the connector main body, so that the lead wire is firmly fixed in a predetermined pull-out direction. Moreover, since the connector cover is cylindrical, sufficient strength can be ensured even if the connector cover is miniaturized. As a result, a connector and a lighting fixture having an effect that the connector can be miniaturized can be provided.

It is the perspective view which shows the connector which concerns on 1st Embodiment of this invention, (A) is the figure seen from diagonally upward, (B) is the figure seen from diagonally downward (A) is a front view of the connector, (B) is a side view as seen from the B direction in (A). Sectional view at position III-III in FIG. It is a disassembled perspective view which shows a connector, (A) is the figure seen from diagonally upward, (B) is the figure seen from diagonally downward Sectional drawing which shows the lighting fixture of embodiment which concerns on this invention It is the perspective view which looked at the adapter from the slanting lower part, (A) before connector installation, (B) after connector installation It is the disassembled perspective view which shows the connector which concerns on 2nd Embodiment of this invention, (A) is the figure seen from diagonally upward, (B) is the figure seen from diagonally downward

(First embodiment)
Hereinafter, the connector and lighting fixture of 1st Embodiment of this invention are demonstrated using drawing.
As shown in FIG. 5, the connector 20 according to the embodiment of the present invention is attached to the hook ceiling body 2 attached to the ceiling 1 to mechanically and electrically connect and hold the fixture body 11 of the lighting fixture 10. It is for attaching to the adapter 13 and electrically connecting.

First, the connector 20 will be described.
As shown in FIGS. 1 to 4, the connector 20 is wired inside the connector 20, a connector body 21, a connector cover 22, a contact terminal 23 built in the connector body 21 and electrically connected to the adapter 13. And a lead wire 24 that is connected to the contact terminal 23 and supplies power to the lighting fixture 10.

  The connector main body 21 is formed in an overall L shape using a hard resin material having insulating properties. A guide wall 25 that determines the lead-out direction of the lead wire 24 is provided on one side 211 of the L-shape, and the other side 212 has an insertion direction (hereinafter referred to as “up” (direction, side) when the connector 20 is inserted into the adapter 13. It is a member. That is, the other side 212 is a member in the vertical direction, and the guide wall 25 that is one side 211 is a member in the horizontal direction.

  As shown in FIG. 4, on one side 211 corresponding to the L-shaped bottom side, a guide wall 25 is provided in the horizontal direction on the upper side, and side walls 255 are provided on the left and right ends of the lower surface of the guide wall 25, respectively. The part is provided with a partition 254 downward. As for a pair of side wall 255 and the partition 254, horizontal part 255B, 254B is once provided toward the front-end | tip from the other side 212 side. Steps 255C and 254C are provided at the front ends of the horizontal portions 255B and 254B, and are provided such that the height decreases toward the front end after being cut by the plate thickness of the connector cover 22 described later. In other words, the side walls 255 and the bottom surfaces 255A and 254A of the partition 254 rise from the steps 255C and 254C toward the tip.

  In addition, the lower side of the guide wall 25 on the side opposite to the insertion direction of the side 211 (hereinafter, also referred to as “down (direction, side)”) is released. Thereby, the contact terminal 23 can be easily incorporated into the internal space 213 of the other side 212 along the insertion direction of the connector 20 from below. A locking protrusion 251 as a locking portion for locking the connector cover 22 is provided on the ceiling side surface (that is, the upper surface) of the guide wall 25. The locking protrusion 251 has a wedge shape, the front surface in the pull-out direction has an inclined surface 252 that descends toward the front, and the rear end portion has a vertical locking surface 253.

As shown in FIG. 3, the other side 212 has a thin rectangular shape as a whole, and a pair of internal spaces 213 and 213 into which the contact terminals 23 are inserted, and the internal space 213 are continuous and open at the upper end surface. Adapter terminal insertion ports 214 are provided. A notch 215 is provided on the one side 211 side at the lower end portion of the other side 212 which is also an attachment portion of the one side 211. Further, a seesaw-type release lever 261 having at one end a retaining lock portion 26 that is locked to the adapter 13 is provided on the outer surface of the other side 212 opposite to the surface from which the guide wall 25 projects.
The contact terminal 23 is arranged continuously to the adapter terminal insertion port 214 and has a power supply side connection portion 231 that is electrically connected to the adapter terminal 18 (see FIG. 5) at the top. A lead wire connecting portion 232 connected to the H.241 is provided at the lower portion.

  Therefore, the lead wire 24 in which the core wire 241 at the tip is connected to the lead wire connecting portion 232 of the contact terminal 23 is guided downward through the internal space 213 on the other side 212 and bent at the lower end portion (bending portion 242). ), Guided from the notch 215 to the lower side of the guide wall 25 and pulled out.

As shown in FIG. 4, the connector cover 22 has a substantially rectangular box shape as a whole, and has left and right side walls 221, 222, a top plate 223, and a bottom plate 224. It is hollow (internal space 227) and has an internal space 227. Further, ribs 27 projecting outward in the width direction are provided at the front end portions, which are the surfaces from which the lead wires 24 of the both side walls 221 and 222 are drawn, respectively.
Therefore, one side 211 of the connector main body 21 is inserted from the opening 226 on the rear side of the connector cover 22, and the one side 211 of the connector main body 21 is accommodated in the internal space 227. At this time, the connector cover 22 can be attached and detached by pinching the left and right ribs 27 with fingers.

  A shallow groove 223B is provided on the inner surface of the top plate 223 of the connector cover 22, and a locking notch 223A is provided at the tip of the groove 223B. Therefore, when the connector cover 22 is slid and put on the guide wall 25, the locking protrusion 251 of the guide wall 25 engages with the locking notch 223A of the connector cover 22, and the connector cover 22 is fixed.

  The bottom plate 224 is provided so that the rear end surface 224A abuts against the side wall 255 of the connector main body 21 and the steps 255C and 254C of the partition 254 in a state where the connector cover 22 is attached. That is, since the bottom plate 224 is not provided at the proximal end portion of the guide wall 25, the bent portion 242 of the lead wire 24 is not covered with the connector cover 22.

  Further, the side walls 221 and 222 of the connector cover 22 have a shape corresponding to the side wall 255 of the one side 211 of the connector body 21, and the bottom plate 224 provided at the lower ends of the side walls 221 and 222 rises forward. So as to be inclined. For this reason, the height H2 (see FIG. 4A) of the opening 225 on the opposite side (tip side) is smaller than the height H1 of the opening 226 on the connector body side (see FIG. 4B). It has become.

Next, the assembly procedure of the connector 20 will be described.
First, the core wire 241 of the lead wire 24 is electrically and mechanically connected to the lead wire connecting portion 232 of the contact terminal 23 by a joining means such as soldering, and is inserted into the internal space 227 of the connector cover 22.

  Next, the contact terminal 23 is press-fitted from below the internal space 213 of the connector main body 21 with the power supply side connection portion 231 side as a head, and the power supply side connection portion 231 is continuously fixed to the adapter terminal insertion port 214. At this time, since the lead wire 24 hangs downward from the connector body 21, the lead wire 24 is bent toward the guide wall 25. At this time, the lead wire 24 is bent at 90 degrees or more with a radius equal to or larger than the allowable minimum bending radius so that the lead wire 24 contacts the lower surface of the guide wall 25 at the distal end portion of the guide wall 25. The bent portion 242 is prevented from protruding downward from the lower end surface of the connector main body 21.

  Next, the connector cover 22 is slid to cover the guide wall 25, and the locking notch 223 </ b> A of the connector cover 22 is locked and fixed by the locking protrusion 251 of the guide wall 25. At this time, since the inclined bottom plate 224 of the connector cover 22 supports the lead wire 24 from below, the lead wire 24 is prevented from returning downward, and is guided by the guide wall 25 and pulled out in a predetermined pulling direction.

Next, the lighting fixture 10 using the connector 20 described above will be described.
As illustrated in FIG. 5, the lighting fixture 10 includes a fixture main body 11, a mounting holder 12 assembled to the fixture main body 11, an adapter 13 that is a power supply-side wiring component fitted in the mounting holder 12, and a pair. The lead wire 24 is connected and the connector 20 is inserted and connected to the adapter 13. The lighting fixture 10 holds an annular fluorescent lamp (not shown) on the fixture body 11 below the connector 20, attaches a translucent cover (not shown) to the fixture body 11, and attaches the adapter 13 to the ceiling. It is directly attached to the ceiling surface 1 by being hooked to a hooking sealing body 2 installed on the surface 1.

  The instrument body 11 is formed in a disc shape using, for example, a thin steel plate material. A holder mounting hole 16 for mounting the mounting holder 12 is formed in the central portion of the instrument body 11. The appliance main body 11 has a plurality of lamp holding parts attached to the lower surface of the outer edge thereof, and a fluorescent lamp (not shown) is held through these lamp holding parts. The mounting holder 12 is formed in an oval appearance using, for example, a hard resin material, has an annular portion 17 in the center, and is fitted in the holder mounting hole 16 of the instrument body 11. The mounting holder 12 has a locking projection receiver 14 for locking the adapter on the inner periphery of the annular portion 17.

  As shown also in FIG. 6, the adapter 13 has a disk-shaped main body 131 having an outer diameter dimension that is fitted into the annular portion 17 of the mounting holder 12, and a pair of adapter terminals 18 (see FIG. 5). ). The adapter terminal 18 has bent end portions 181 that are hooked on a pair of power supply terminals (not shown) accommodated in the hooking ceiling body 2 and electrically connected to the power supply terminals at one end thereof. . The adapter terminal 18 has a connector connection end (not shown) disposed in the connector insertion hole 19 formed on the lower surface of the adapter 13 at the other end. After the adapter 13 is rotated, the locking projection 15 formed on the outer peripheral portion of the adapter 13 is locked to the locking projection receiver 14 of the mounting holder 12 to be attached to the mounting holder 12. The tool body 11 is mechanically and electrically connected and held to the ceiling 1 by the terminal 18 being hooked on the power feeding terminal of the hooking sealing body 2.

  When the connector 20 is attached to the adapter 13, the other side 212 of the connector body 21 is inserted into the connector attachment hole 19 of the adapter 13, and the retaining lock portion 26 of the connector body 21 is provided inside the connector attachment hole 19. The connector 20 is prevented from falling off by being locked to a locking portion (not shown). As a result, the power supply side connection portion 231 of the contact terminal 23 of the connector 20 is electrically connected to the connector connection end portion (not shown) of the adapter terminal 18, and passes through the power supply terminal (not shown) in the hooking sealing body 2. Commercial power is applied to the contact terminal 23. At this time, the lead wire 24 is pulled out in the horizontal direction along the lower surface of the adapter 13 and is electrically connected to a ballast (not shown) attached to the instrument body 11 and further electrically connected to a lamp socket (not shown). Connected.

  On the other hand, when removing the connector 20 from the adapter 13, the release lever 261 of the connector main body 21 is pressed to release the retaining lock portion 26 from the locking portion (not shown), and is pulled out in this state.

  As described above, according to the connector 20 of the embodiment according to the present invention described above, the connector main body 21 constituting the connector 20 has an L shape, and the lead wire 24 for supplying power is provided on one side 211 of the L shape. The drawing direction can be determined by the guide wall 25 provided. In addition, since the lower portion of the guide wall 25 is released, the contact terminal 23 can be easily incorporated into the other side 212 of the L shape, and the size can be reduced by the thickness of the plate by not providing the bottom plate. The connector cover 22 is hollow (cylindrical) with both ends opened (openings 225 and 226), and covers the lead wire 24 and the guide wall 25 and is fitted into the connector main body 21. It is firmly fixed in the pull-out direction. Further, since the connector cover 22 is cylindrical, sufficient strength can be secured even if the connector cover 22 is downsized. As a result, the connector 20 can be downsized.

  Further, when the connector cover 22 is attached to the guide wall 25 of the connector main body 21, the locking protrusion 251 provided on the upper surface of the guide wall 25 locks the locking notch 223 </ b> A of the connector cover 22. Can be attached firmly.

  Further, since the portion directly below the bent portion 242 of the lead wire 24 is not covered, the height of the connector cover 22 can be formed low, and the connector 22 can be downsized.

  Moreover, although the opening 226 on the connector main body 21 side where the bent portion 242 of the lead wire 24 is located is high, the entire height of the connector cover 22 can be reduced by not covering this portion with the connector cover 22. Further, the lower part of the opening 225 on the drawer side is covered with the connector cover 22, but since the height of the opening 225 is small, the lead wire 24 can be positioned in a predetermined direction and the total height of the connector cover 22 can be suppressed. Thereby, the height of the connector 20 whole can be suppressed.

  In addition, since the rib 27 protruding outward in the width direction is provided at the end of the connector cover 22 on the drawer side, when the connector 20 is pulled out from the adapter 13, the rib 27 can be pulled with a finger and can be easily connected. 20 can be pulled out of the adapter 13.

  Moreover, according to the lighting fixture 10 of embodiment which concerns on this invention, by using the connector 20 mentioned above, size reduction of the connector 20 was achieved, it was thin and high intensity | strength, and it was excellent also in the attachment / detachment operativity of the connector 20. The lighting fixture 10 can be provided.

(Second Embodiment)
Next, a connector according to a second embodiment of the present invention is shown in FIG. In addition, the same code | symbol is attached | subjected to the site | part which is common in the connector and lighting fixture concerning 1st Embodiment mentioned above, and the overlapping description is abbreviate | omitted.

  As shown in FIG. 7, in the connector 20B according to the second embodiment of the present invention, ribs 27 provided to protrude outward in the width direction from the side walls 221 and 222 of the connector cover 22B are provided in the middle of the side walls 221 and 222 in the front-rear direction. Is provided.

  As described above, according to the connector 20B according to the second embodiment described above, like the connector 20 according to the first embodiment described above, when the connector 20B is pulled out from the adapter 13, the rib 27 can be pulled with a finger. Therefore, the connector 20B can be easily pulled out from the adapter 13.

  In addition, the connector and lighting fixture of this invention are not limited to each embodiment mentioned above, A suitable deformation | transformation, improvement, etc. are possible.

DESCRIPTION OF SYMBOLS 1 Ceiling 2 Hook ceiling body 10 Lighting fixture 11 Appliance main body 13 Adapter 20, 20B Connector 21 Connector main body 211 One side 212 Other side 22 Connector cover 225 Opening on the opposite side 226 Opening on the connector main body 23 Contact terminal 24 Lead wire 242 Bending Part 25 Guide wall 251 Locking protrusion (Locking part)
27 Ribs

Claims (7)

A connector for electrically connecting an instrument body to an adapter for mechanically and electrically connecting and holding by hooking and fixing to a hooking sealing body,
The connector comprises a connector body made of an insulator, a connector cover, a contact terminal built in the connector body, and a lead wire connected to the contact terminal,
The connector body is L-shaped, one side of which is a guide wall that determines the lead-out direction of the lead wire, and below the guide wall corresponding to the bottom of the L-shape, the contact terminal is in the insertion direction of the connector. for incorporation into certain other side, the bottom plate has been released without being provided, and the guide wall is provided with a first locking portion,
The connector cover is generally rectangular box-shaped, has a pair of side walls, a top plate, and a bottom plate, both ends are open, an internal space is formed in the inside, and is cylindrical, A second locking portion corresponding to the first locking portion provided on the guide wall of the connector body is provided, and the lead is covered with the guide wall of the connector body. The guide body and the lead wire are covered with the connector main body so as to cover the guide wall and the lead wire in the same direction as the lead-out of the wire, and the second locking portion is engaged and fixed to the first locking portion. connector that. The connector according to claim 1,
Said first locking portion, the connector that are provided in the ceiling surface of the guide wall. The connector according to claim 1 or 2,
A connector that is not covered with a connector cover immediately below a bent portion that bends the lead wire along the guide wall from the contact terminal side. The connector according to any one of claims 1 to 3,
The connector cover has an inclined surface that covers the release portion below the guide wall, and the height of the opening on the opposite side is smaller than the opening on the connector body side. The connector according to any one of claims 1 to 4,
The connector cover is a connector having ribs protruding in the width direction on a surface covering the guide wall of the connector body. The connector according to any one of claims 1 to 5,
The connector cover has a rib protruding in the width direction on a surface from which the lead wire is drawn.   The lighting fixture carrying the connector in any one of Claims 1 thru | or 6.

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