JP3032435B2 - Ceiling light mounting device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ceiling light mounting device for directly mounting a ceiling light (incandescent light or fluorescent light) on a ceiling at a house entrance or a washroom.

[0002]

2. Description of the Related Art A conventional apparatus is shown in FIG.

This device comprises a ceiling body 1 which is directly attached to a ceiling surface A in a state where it is connected to a power supply in advance, a ceiling socket 2 to which an illumination light B such as an incandescent lamp is attached,
A fastening ring 4 screwed into the outer thread 3 of the sealing socket 2.

A pair of arc-shaped mounting grooves 5 and 5 are provided on both sides of the lower surface of the sealing body 1, and a pair of arc-shaped mounting grooves 5 and 5 are provided on the sealing socket 2.
A pair of receiving teeth 7, 7 are provided on both sides of the upper surface of the base portion 6, respectively. The receiving teeth 7, 7 are inserted into the mounting grooves 5, 5 and rotated by a predetermined angle to make the sealing socket 2
Are connected to the sealing body 1 and at the same time are electrically connected.

In this state, the upper end 8a of the globe 8 covering the lamp B is brought into contact with the base 6 of the sealing socket 2, and the tightening ring 4 is screwed from below, so that the upper end 8a of the globe is connected to the socket base 6. And this tightening ring 4 so as to be fixed.

[0006] In order to stabilize the mounting state of the glove upper end 8a and conceal the mounting portion, a decorative cover 9 is provided between the glove upper end 8a and the ceiling surface A so as to cover the sealing body 1. Can be

[0007]

However, this conventional apparatus has the following disadvantages.

The tightening ring 4 must be screwed into the sealing socket 2 in the narrow glove 8 and a sufficient tightening force must be applied so that the glove 8 does not rattle.

Further, the outer peripheral thread portion 3 of the sealing socket 2 is made longer than necessary as shown in the figure to prevent accidental detachment of the ring 4 due to vibration or the like.
The required number of rotations of the ring 4 also increases.

[0010] For this reason, the work of attaching the glove is troublesome and the work efficiency is low.

In this device, the weight of the appliance added to the sealing body 1 is regulated by law for safety, and the strength of the body 1 is set to a relatively low value based on the regulated weight.

However, according to the above-mentioned ring screw-in type, since the screwing force of the sealing socket 2 is not specified because there is an individual difference between workers, the sealing body 1 is excessively applied to the sealing body 1 through the receiving teeth 7 of the sealing socket 2 at the screwing end. A tightening force (especially, a force in the rotation direction) is applied, which may damage the body 1.

In this case, the globe 8 may fall, and the sealing body 1 needs to be replaced, wirings need to be reworked, etc., and this has been a serious problem in terms of safety and construction.

Therefore, the present invention enables the glove mounting operation to be performed simply and quickly by one-touch operation.
An object of the present invention is to provide a mounting device for a ceiling light, in which an excessive force is not applied to a ceiling body during the mounting.

[0015]

According to a first aspect of the present invention, there is provided a sealing body directly attached to a ceiling surface, a sealing socket detachably connected to the ceiling body and electrically connected thereto, and a sealing socket. And a fastening member attached to the outer periphery of the ceiling light, wherein the globe is sandwiched between the base of the ceiling socket and the fastening member for installation. (I) The tightening member is constituted by a pair of rings which are fitted and connected relatively slidably in a predetermined range in the axial direction, and a spring which pushes the two rings in a direction away from each other. (Ii) One of the fastening member and the sealing socket is provided with a protrusion, and the other is provided with an engagement groove with which the protrusion can be engaged. (Iii) The engagement groove is constituted by an entrance / exit groove portion in which the projection can enter and exit in the axial direction, and a main engagement groove portion extending in the circumferential direction from the entrance / exit groove portion and capable of engaging the projection immovably in the axial direction. That (Iv) A convex portion is provided on one of the two rings constituting the tightening member, and a connecting groove with which the convex portion can be engaged is provided on the other, and the connecting groove is such that the convex portion can enter and exit in the axial direction. An entrance / exit groove and a main connection groove extending in the circumferential direction from the entrance / exit groove and having a convex portion slidably engageable within a predetermined range in the axial direction, and both rings are axially moved by the convex portion and the coupling groove. Must be slidably fitted and connected relatively within a certain range.

According to a second aspect of the present invention, in the configuration of the first aspect, a stopper is provided for preventing the projection from being inverted into the entrance groove when the projection is engaged with the main engagement groove of the engagement groove. It is.

[0017]

[0018]

According to the above construction, with the upper end of the glove abutting against the base of the sealing socket, the fastening member is fitted to the outer periphery of the sealing socket so that the projection is aligned with the entrance / exit groove of the engagement groove. When the member is pushed in the axial direction and rotated by a predetermined angle, the projection engages with the main engagement groove of the engagement groove, and the fastening member is fixed to the sealing socket. The upper end of the glove is sandwiched between the member and the base of the sealing socket.

That is, the work of attaching the glove can be performed simply and quickly by one-touch operation of only fitting the tightening member and rotating at a small angle.

Further, since only the force of the spring of the tightening member acts on the sealing body and does not act in the rotating direction, if the spring force is set to an appropriate value, an excessive force is applied to the body. There is no risk of acting. Further, the pair of rings of the tightening member can be easily connected to each other by one-touch operation of only fitting and small-angle rotation operation, as in the case of attaching the tightening member to the sealing socket, thereby easily assembling the tightening member. Can be.

Further, according to the structure of the second aspect, the protrusion is prevented from being detached from the engagement groove due to vibration or the like, and the mounting state of the fastening member to the sealing socket, that is, the glove mounting state is reliably maintained. .

According to the third aspect of the present invention, the pair of rings of the tightening member can be easily fitted by one-touch operation of only fitting and small-angle rotation operation, similarly to the mounting of the tightening member to the sealing socket. The fastening members can be easily assembled by being connected.

[0023]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS.

In the following embodiments, the same parts as those of the conventional apparatus shown in FIG. 6 are denoted by the same reference numerals, and the description thereof will not be repeated.

First Embodiment (See FIGS. 1 to 4) In FIGS. 1 and 2, reference numeral 11 denotes a sealing socket, and 12 denotes a fastening member.

The sealing socket 11 comprises a substantially circular base 13 and a cylindrical body 14, and has a pair of receiving teeth 15, 15 which are inserted and locked into mounting grooves (not shown) of the sealing body 1. 13 protrudes upward.

The base 13 and the body 14 are formed as separate members for the convenience of terminal assembly and the like, and are connected by screws 16.

As shown in FIGS. 1 to 3, the fastening member 12 has a short cylindrical upper ring 17 having a flange 17a at the upper end.
A short cylindrical lower ring 18 having a diameter larger than that of the upper ring 17 is slidably fitted in the axial direction with a compression coil spring (hereinafter simply referred to as a spring) 19 interposed therebetween. Has been made.

The connecting structure between the upper ring 17 and the lower ring 18 will be described. As shown in FIG. 3, a connecting groove 20 is formed on the outer peripheral surface of the upper ring 17 and a pair of convex portions 21 are formed on the inner peripheral surface of the upper end of the lower ring 18, respectively. They are provided in a symmetric arrangement.

The connecting groove 20 has a downwardly opening entrance / exit groove 20a and a main coupling groove 2 extending from the entrance / exit groove 20a in a circumferential direction at a predetermined angle (for example, 60 °).
0b.

The entrance / exit groove 20a and the main connecting groove 20b
Are formed with an axial dimension in which the convex portion 21 can move in a predetermined range in the axial direction, and the convex portion 21 is formed in the entrance groove 2.
The two rings 17 and 18 are fitted and connected relatively slidably in a certain range in the axial direction by engaging with the main connecting groove 20b via the first connecting groove 20a.

The connecting groove 20 is provided with a stopper 20c for preventing reversal so as to enter the base end side of the main connecting groove 20b, and the stopper 20c allows the protrusion 21 to be turned toward the entrance groove 20a. That is, both rings 17,1
8 is prevented.

Further, as shown in FIG. 1, the connecting groove 20 is provided so that the convex portion 21 does not invert beyond the stopper 20c.
The upper end of the upper ring 17 (flange 17a)
A C-shaped retaining ring 22 is attached to the base portion of the ring.

Next, the mounting structure of the fastening member 12 to the sealing socket 11 will be described.

This mounting structure is similar to the connecting structure of the two rings 17 and 18 in the fastening member 12 described above.

That is, as shown in FIG. 2 and FIG.
A pair of engagement grooves 23 are provided in a symmetric arrangement.

Like the connecting groove 20 in the fastening member 12, the engaging grooves 23, 23 have a downwardly open entrance / exit groove 23a and a predetermined angle (for example, from the upper end side of the entrance / exit groove 23a) in the circumferential direction. 60 [deg.]) And a main engagement groove 23b extending over the range.

A stopper 23c for preventing reversal is provided on the base end side of the main engagement groove 23b so as to enter the groove 23b from below.

On the other hand, the lower ring 1
A pair of protrusions 24, 24 are provided on the inner peripheral surface at the lower end portion of the base member 8 in a symmetrical arrangement, and the protrusions 24, 24 are fitted into the main engaging groove 23b via the inlet / outlet groove 23a, so that the tightening member 12 becomes a sealing socket. 11, the glove upper end 8a is sandwiched between the sealing socket 11 and the fastening member 12.

The operation of attaching the glove 8 will be described in detail. (A) As shown in FIG. 1, the glove upper end 8a is brought into contact with the base 13 of the sealing socket 11 attached to the sealing body 1 and tightened. The attachment member 12 is fitted into the body 14 of the sealing socket 11, and the projections 24, 24 are engaged with the entrance / exit groove 23 a of the engagement groove 23.

(B) The lower ring 18 of the fastening member 12 is pushed into the upper ring 17 and rotated.

Thereafter, when the user releases his / her hand, the lower ring 18 returns to the original position by the force of the spring 19, and the projections 24, 24 engage with the main engagement groove 23b.

In this state, the upper end 8a of the glove is
By the force of No. 9, it is sandwiched and fixed between the sealing socket base 13 and the fastening member 12.

As described above, the glove 8 can be mounted by a one-touch operation in which the tightening member 12 is fitted into the sealing socket 11 and slightly rotated, so that the glove mounting operation is far more difficult than in the conventional screwing method. Easy and quick to do.

The sealing body 1 includes a fastening member 1.
Since only the force of the second spring 19 acts and this spring force does not act in the rotation direction, if this spring force is set to an appropriate value, an excessive force may act on the body 1. It is completely gone.

Second Embodiment (see FIG. 5) Only the differences from the first embodiment will be described. In the second embodiment, the decorative cover 9 of the first embodiment is replaced with a base 13 of the sealing socket 11. A screw 13a is provided on the outer peripheral surface, and a decorative ring 25 provided with a female screw is screwed in such a manner as to cover the socket base 13 and the glove upper end 8a.

Incidentally, in the above embodiment, the engagement groove 23 and the fastening member 12 (the lower ring 1
8), the projection 24 is provided, but conversely, the projection 24 may be provided on the outer peripheral surface of the sealing socket 11, and the engaging groove 23 may be provided on the inner peripheral surface of the fastening member 12.

On the other hand, in the above embodiment, the base 13 of the sealing socket 11 is circular. However, the shape of the base 13 may be appropriately changed to an ellipse, a polygon or the like according to the shape of the glove upper end 8a. Absent.

[0049]

As described above, according to the present invention, a pair of rings which are fitted and connected to each other so as to be relatively slidable in the axial direction, and a spring which pushes the two rings in a direction away from each other. A projection is provided on one of the fastening member and the sealing socket, an entrance / exit groove on which the projection can enter / exit in the axial direction, and a main engagement groove extending in the circumferential direction from the entrance / exit groove. The fastening member is attached to the sealing socket by engaging the projection with the engagement groove, and the upper end of the glove is connected to the sealing socket base by the spring force of the fastening member. Since the gloves are sandwiched and fixed, the glove can be mounted easily and quickly with one touch only by fitting the tightening members and rotating at a small angle.

For this reason, the efficiency of the glove mounting operation can be remarkably improved as compared with the conventional device in which the fastening member is screwed into the sealing socket.

Further, only the force of the spring of the tightening member acts on the sealing body, and this spring force does not act in the rotation direction. There is no danger of excessive force acting.

Therefore, it is possible to prevent the occurrence of troubles such as damage to the sealing body, replacement of the body, and reworking of the wiring. Further, the pair of rings of the tightening member can be easily connected to each other by one-touch operation of only fitting and small-angle rotation operation, as in the case of attaching the tightening member to the sealing socket, thereby easily assembling the tightening member. Can be.

Further, according to the second aspect of the present invention, detachment of the projection from the engagement groove due to vibration or the like is prevented by the stopper, and the mounting state of the fastening member to the sealing socket, that is, the glove mounting state is reliably maintained. Therefore, safety is improved.

[0054]

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a glove mounted state according to a first embodiment of the present invention.

FIG. 2 is an exploded perspective view of a sealing socket and a fastening member in the apparatus of the embodiment.

FIG. 3 is an exploded perspective view of a fastening member in the same device.

FIG. 4 is an enlarged sectional view taken along line IV-IV of FIG. 1;

FIG. 5 is a view corresponding to FIG. 1 showing a second embodiment of the present invention.

FIG. 6 is a view corresponding to FIG. 1 showing a conventional apparatus.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 sealing body 11 sealing socket 13 base of sealing socket 23 engagement groove 23 a entrance / exit groove of engagement groove 23 b main engagement groove of engagement groove 23 c stopper 12 fastening member 17 upper ring 18 constituting fastening member 18 lower ring DESCRIPTION OF SYMBOLS 19 Compression coil spring 20 Connection groove 20a Entrance / recess groove part of a connection groove 20b Main connection groove part of a connection groove 21 Convex part engaged with a connection groove 24 Projection engaged with an engagement groove

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) F21V 17/00 330 F21V 17/06 F21S 8/04

Claims (2)

(57) [Claims] 1. A ceiling body directly attached to a ceiling surface, a sealing socket detachably connected to the ceiling body and electrically connected thereto, and a fastening member attached to an outer periphery of the ceiling socket. A ceiling light mounting device for mounting a glove by sandwiching the glove between a base of the sealing socket and a fastening member, wherein the sealing light has the following configuration.
Light mounting device. (I) The tightening member is constituted by a pair of rings which are fitted and connected relatively slidably in a certain range in the axial direction, and a spring which pushes the two rings in a direction away from each other.
That you are. (Ii) One of the fastening member and the sealing socket is provided with a protrusion, and the other is provided with an engagement groove with which the protrusion can be engaged . (Iii) The engagement groove is constituted by an entrance / exit groove portion in which the projection can enter and exit in the axial direction, and a main engagement groove portion extending in the circumferential direction from the entrance / exit groove portion and capable of engaging the projection immovably in the axial direction. That (Iv) One of the two rings constituting the fastening member is convex.
And the other side is provided with a connection groove with which this projection can engage
In this connection groove, the convex portion can enter and exit in the axial direction.
An entrance groove, and a convex portion extending in a circumferential direction from the entrance groove.
Can be slidably engaged within a certain range in the axial direction.
It consists of a connecting groove, and both rings are
Are relatively slidably fitted and connected in a certain range in the axial direction.
is being done. 2. The mounting device for a ceiling light according to claim 1, wherein a stopper is provided for preventing the protrusion from being turned into the entrance groove when the protrusion is engaged with the main engagement groove of the engagement groove. A mounting device for a ceiling light.