KR100374847B1 - Socket for fluorescent lamp - Google Patents

Abstract

The present invention relates to a fluorescent lamp socket, and in particular, to facilitate the fastening and detachment of the fluorescent lamp by installing the socket body to be movable in the fluorescent lamp fastening direction, and at the same time when a large number of fluorescent lamps alternately installed on a large signboard It is to be able to fasten the socket for fastening one end of each fluorescent lamp which is installed alternately adjacent to one frame.

Description

Fluorescent lamp socket {Socket for fluorescent lamp}

The present invention relates to a fluorescent lamp socket, and in particular, to facilitate the fastening and detachment of the fluorescent lamp by installing the socket body to be movable in the fluorescent lamp fastening direction, and at the same time when a large number of fluorescent lamps alternately installed on a large signboard It is to be able to fasten the socket for fastening one end of each fluorescent lamp which is installed alternately adjacent to one frame.

Fluorescent lamps are a kind of thermal cathode low-pressure discharge lamps in which ultraviolet rays generated from discharges in low-pressure mercury vapor are changed into visible lines by fluorescent materials.

The structure of the lamp includes a detention with two connecting pins at both ends of the tube, and an electrode with tungsten filament is installed at both ends of the lamp, and the mercury and argon are enclosed in a tube at a constant pressure for electrospinning. The inner wall of the tube is coated with a fluorescent substance.

Fluorescent lamps having such a structure fasten the filament by the power supply voltage applied by fastening the connecting pins provided at both ends of the fluorescent lamp in the longitudinal direction, and the lamp is started when the temperature reaches an appropriate temperature. It is intended to stop preheating and to maintain a safety discharge.

Various sockets for fastening fluorescent lamps have been developed and used so far, and the sockets have insertion holes into which connection pins of fluorescent lamps are inserted in the center of the socket body, which is spaced apart from each other at regular intervals corresponding to the length of the fluorescent lamps. The lamp is started by electrically connecting the connecting pin and the connecting terminal elastically installed inside the insertion hole.

Conventional fluorescent lamp socket having such a structure has a connection terminal provided inside the socket insertion hole of any one of the sockets provided at both ends has an elastic force in the direction in which the fluorescent lamp is fastened so that the fluorescent terminal in the direction provided with the connection terminal having the elastic force By inserting the connecting pin and fastening the connecting pin in the opposite direction to the socket by the fluorescent lamp is securely fastened without being separated, but there is an uncomfortable problem when the fastening and separation and replacement.

In addition, large signboards are arranged to arrange a plurality of fluorescent lamps in a row in order to increase the brightness of the signboard, where each fluorescent lamp is placed between the fluorescent lamps installed in the longitudinal direction and another fluorescent lamp alternately by installing another fluorescent lamp alternately. The overall brightness is the same.

As described above, a large frame in which a large number of fluorescent lamps are arranged needs to be provided with a separate frame in order to fasten the socket. This frame must be installed at the lower end of the fluorescent lamp that is alternately installed as shown in the drawing. There is a problem that Joe's frame must be installed.

The present invention has been made in consideration of the above circumstances, and an object of the present invention is to provide a fluorescent lamp socket which is easily coupled and separated from fluorescent lamps and has an excellent fastening force.

Another object of the present invention is to provide a fluorescent lamp socket for fastening each socket on which one end of a pair of fluorescent lamps fitted to each other in a fluorescent lamp arranged in a row on a large signboard on one frame. have.

In order to achieve this object, a fluorescent lamp socket according to the present invention includes a socket support having a front surface and an upper surface opened and a lower surface fixed to a fixed object; A piston socket elastically installed reciprocally in the axial center of the socket support and inserted into a pair of pin insertion holes formed on the front surface thereof so as to be electrically connected with a connecting pin such as a fluorescent lamp; A starter socket detachably coupled to a rear surface of the piston socket and having a glow starter; And a stopper detachably installed at the front opening of the socket support and preventing the piston socket from deviating inward in the axial direction by being caught by the end of the starter socket.

The socket support is a plate-shaped base fixed to the object to be fixed; A pair of vertical portions positioned inside the base and opposed to each other; And a guider pocket in which both ends of the piston socket are reciprocally inserted and guided by a coil spring installed in a half arc shape and extending in an outward direction extending from the whole of the pair of vertical parts. .

The piston socket is composed of a guide body which is protruded on both sides of the main body of the cylindrical body with the rear opening and the outer circumferential surface of the body and inserted into the pocket, and the guider is formed with a spring receiving groove into which the first half of the coil spring is inserted from the rear. have.

1 is an exploded perspective view showing a fluorescent lamp socket according to the present invention,

Figure 2 is a cross-sectional view of the lateral coupling of Figure 1 before the socket is in close contact,

3 is a lateral coupling cross-sectional view of Figure 1 is a state in which the socket is in close contact,

4 is a longitudinal coupling cross-sectional view of FIG.

5 is a cross-sectional view taken from the line A-A of FIG. 4 for explaining the internal structure of the socket;

6 is an explanatory diagram showing a state applied to a signboard as an embodiment of the present invention;

Figure 7 is an exploded perspective view of a fluorescent lamp socket showing another embodiment of the present invention,

8 is a longitudinal cross-sectional view of FIG. 7;

9 is a perspective view showing an installation example of the present invention,

10 is a plan view of a signboard showing an example applied to the signboard.

Explanation of symbols on the main parts of the drawings

1: Fluorescent lamp socket 10: Socket support

20: piston socket 30: starter socket

40: stopper 50: coil spring

61 frame 71 extension part

72: pedestal

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. 1 is an exploded perspective view showing an embodiment according to the present invention, the entire reference numeral 1 shows a fluorescent lamp socket, the fluorescent lamp socket (1) is the front and the upper surface of the opening and the lower socket is fixed to the fixture 61 It includes a support (10).

The socket support 10 has a plate-shaped base 11 which is fixed by a screw 11b to face the to-be-fixed material 61, and is a pair located inside of the base 11 and set up against each other. By having the vertical portion 12, the recessed portion of the socket, which will be described later, is formed. Reference numeral 11a denotes a screw hole for fastening the screw to the fixed object.

The end portion of the vertical portion 12 is integrally formed with a guider pocket 13 having a half arc shape extending from the whole and curved outwardly, and the coil spring 50 is fitted to the guider pocket 13 in the longitudinal direction. The piston socket 20 is reciprocated in the axial direction by being fixed to the protrusion 13b and being installed internally.

Reference numeral 20 denotes a piston socket, and the piston socket 20 is elastically installed to be reciprocated in the axial center of the socket support 10 and has a fluorescent lamp 51 in a pair of pin insertion holes 24 formed on the front surface thereof. The connecting pin 51a of () is inserted so that it can make electrical contact.

The piston socket 20 protrudes on both sides of the main body 21 and the outer circumferential surface of the main body 21 of the cylindrical body having a predetermined length with the front surface closed and the rear surface thereof, the end of which is rearward from the back of the main body 21. It includes a guider 22 protruding into the piston guide, the guider 22 is formed by a spring groove 23 that can accommodate the first half of the coil spring 50 is inserted into the guider pocket 13 by the piston socket 20 can reciprocate the socket support 10 in the axial direction by the elastic force of the coil spring 50, and as a result, not only can easily fasten the fluorescent lamp 51, but also the coil spring 50 The fastening state of the fluorescent lamp 51 can be firmly maintained by the adhesive force.

In the main body 21 of the piston socket 20, a pair of connecting portions 25 having a tubular shape is provided above and below the longitudinal center line as shown in FIG. The first connection terminal 26 to which the connection pin 51a of the fluorescent lamp 51 and the connection pin 52a of the glow starter 52 are electrically connected to any one of the pair of connection portions 25 is fitted. The other connecting portion is provided with a second connecting terminal 27 to which the other connecting pin 51a of the fluorescent lamp 51 is connected and is electrically connected to the connecting pin 52a of the glow starter 52. The third connection terminal 28 is connected to the power supply line.

Furthermore, in the embodiment, the starter socket 30 is detachably coupled to the rear surface of the piston socket 20. The starter socket 30 has an insertion hole 32 into which the connecting pin 52a of the glow starter 52 is inserted on a disc 31 having a diameter larger than the diameter of the main body 21 of the piston socket 20. In the outer periphery of the insertion hole 32, a plurality of hooks 33 are integrally formed and hooked into the grooves 21a through the main body 21 of the piston socket 20.

In addition, the starter socket 30 is integrally molded with a starter accommodation portion 34 made of a cylindrical body for accommodating the glow starter 52 on the rear surface of the disc 31. Reference numeral 31a shows a cutout to avoid interference of the coil spring 50.

Reference numeral 40 denotes a stopper, and the stopper 40 is detachably installed in the front opening of the socket support 10 and the edge of the disc 31 of the starter socket 30 is caught by the piston socket ( 20 is prevented from escaping inward in the axial direction of the socket support 10.

The stopper 40 is formed in a plate shape, and has a blocking plate 42 having a sector groove 41 substantially the same as the main body 21 of the piston socket 20, and both ends of the sector groove 41. The locking protrusion 43 is formed in the same shape as the guider pocket 13 is formed. Hooks 44 and 44a are formed in the locking protrusion 43 and the blocking plate 42, respectively, and the hooks are coupled to the grooves 13a formed in the guider pocket 13 and the grooves 12a formed in the vertical portion 12. do.

The fluorescent lamp socket 1 having such a structure is used for a signboard 60 or a plurality of fluorescent lamps installed for indoor lighting or display purposes as shown in FIG. 6, and faces each other at intervals corresponding to the length of the fluorescent lamp 51. It will be installed, and will be described below with reference to FIGS.

2 is a cross-sectional view of the coupling of the fluorescent lamp socket 1, in which the piston socket 20 protrudes toward the opening of the socket support 10 by the coil spring 50 in the state before the fluorescent lamp 51 is fastened. It is a state. Referring to the drawings, the piston socket 20 has the stopper 40 fastened to the opening of the socket support 10, as shown in FIG. 4, the edges of the disc 31 of the starter socket 30 are sector grooves of the stopper 40, respectively. By being in close contact with the 41 and the locking projection 43, movement in the axial direction is limited.

In this state, the fluorescent lamp is fastened to the socket by bringing the connecting pin 51a of the fluorescent lamp 51 into the insertion hole 24 formed in the piston socket 20 so as to be in close contact with the axial direction.

That is, when the connecting pin 51a of the fluorescent lamp 51 is inserted into the piston socket 20 and the fluorescent lamp 51 is brought into close contact with the axial direction outward, the coil spring 50 supporting the piston socket 20 contracts. The piston socket 20 is retracted while the guider 22 is guided along the guider pocket 13 of the socket support 10, and in this state, the other connecting pin of the fluorescent lamp is inserted into the opposite fluorescent lamp socket not shown. As a result, both fluorescent lamp sockets 1 narrow the fluorescent lamp 51 by the restoring force of the coil spring 50 acting in the axial direction inward, whereby the fluorescent lamp 51 is fixed without being separated from the socket. do.

On the contrary, when detaching the fluorescent lamp, if one side of the fluorescent lamp is in close contact with the axial direction outward, the fluorescent lamp connecting pin is released from the other piston socket, and then the fluorescent lamp can be separated from the fluorescent lamp socket by removing the opposite connecting pin from the piston socket. .

Figure 7 is an exploded perspective view showing another embodiment of the fluorescent lamp socket, Figure 8 is a cross-sectional view of the coupling. Hereinafter, the same parts as in the embodiment will be denoted by the same reference numerals and the description thereof will be omitted. Referring to FIG. 7, the fluorescent lamp socket 1 has an extension 71 which extends the base 11 of the socket support 10 forward than that of the embodiment, and the pedestal lowers on the bottom of the extension 71. 72) and the reinforcing rib 73 are projected.

The fluorescent lamp socket 1 having such a structure is used for a large signboard in which a plurality of fluorescent lamps 51 are arranged regularly in a horizontal line as shown in FIG. 10, wherein each fluorescent lamp 51 is a fluorescent lamp installed in a longitudinal direction. By placing another fluorescent lamp adjacent to each other between the fluorescent lamps, the overall brightness of the signboard is made equal.

As described above, a plurality of fluorescent lamps arranged on a large signboard are fastened to a socket 1 for supplying power, and the sockets 1 are fixed to a separate frame 61 (which is a fixed object in the embodiment).

The frame 61 is installed orthogonal to the lower end of the fluorescent lamp to be installed alternately as shown in the drawing and fastening the socket (1) on the upper surface, the socket (1) disclosed in Figs. In order to fasten the two fluorescent lamps corresponding to each other, it has a structure capable of fastening to one frame 61, unlike fastening to two frames arranged side by side.

In other words, in consideration of the installation position of the fluorescent lamp as shown in Figure 10, the fluorescent lamp socket 1 of the present invention on the upper surface of the frame 61 is installed in the width direction of the signboard in order to be opposite to each other sequentially. The socket 1 fastened as described above may be provided on one frame 61 with a socket 51 for fastening one end of each fluorescent lamp 51 which is overlapped with each other and continuously arranged.

As described in the above embodiments, the present invention can facilitate fastening and detachment of fluorescent lamps by installing the piston body on the socket support elastically to be movable in the fluorescent lamp fastening direction.

In addition, the present invention can reduce the number of frames by installing a socket of a fluorescent lamp with a different heat in a large signboard which is alternately installed between the fluorescent lamp and the fluorescent lamp alternately like other embodiments, on a large signboard. have.

Claims (5)

A socket support in which the front and top surfaces are opened and the lower surface is fixed to the to-be-fixed object; A piston socket elastically installed reciprocally in the axial center of the socket support and inserted into a pair of pin insertion holes formed on the front surface thereof so as to be electrically connected with a connecting pin such as a fluorescent lamp; A starter socket detachably coupled to a rear surface of the piston socket and having a glow starter; And And a stopper removably installed at the front opening of the socket support and preventing the piston socket from deviating inward in the axial direction by being caught by the end of the starter socket. The method of claim 1, wherein the socket support A plate-shaped base fixed to face the to-be-fixed object; A pair of vertical portions positioned inside the base and opposed to each other; And And a guider pocket in which both ends of the piston socket are reciprocally inserted and guided by a coil spring extending in a half arc shape and extending in an outward direction extending from the whole of the pair of vertical parts. Fluorescent lamp socket, characterized in that made. 3. The base of claim 2, wherein the base has an extension extending forward a predetermined length, and a pedestal protrudes from the lower surface of the extension; By having an extension in the base, one end of the fluorescent lamp socket, characterized in that each of the sockets installed in the plurality of fluorescent lamps are arranged alternately can be fastened to one frame provided under the plurality of fluorescent lamps. The fluorescent lamp socket according to claim 2, wherein the piston socket is formed of a cylindrical body having an open rear surface and a guider protruding from both sides of the outer circumferential surface of the main body and inserted into the pocket. 5. The fluorescent lamp socket of claim 4, wherein the guider has a spring groove formed at a rear side thereof to insert the first half of the coil spring.