JPH04116308U - lighting equipment - Google Patents

Abstract

(57) [Summary] [Purpose] Lamp replacement work is performed in lighting equipment where a cylindrical cover with one end closed to cover the vicinity of the socket protruding from the reflector plate near both ends of a straight tube fluorescent lamp is used. It is an object of the present invention to provide a lighting fixture having a cover mounting structure that is easy to fit and does not come off carelessly once it is fitted. [Structure] The socket support base 1 has an engagement groove 5 having a plurality of holes 9a and 9b, and the cover 3 has a slit-shaped engagement portion 7 with an open end that engages with the engagement groove 5. The engaging portion 7 is provided with the terminal ends 10, 17 of the engaging groove 5 or the hole 9.
A claw portion 8 is provided which engages with a and 9b.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention is based on lighting equipment, especially straight tube lamps, with cylindrical covers near the sockets at both ends. Regarding lighting equipment that is covered with.

0002

[Conventional technology]

For lighting in department stores, shops, etc., an inverted Fuji-shaped reflector 21 is used as shown in Figure 8. The vicinity of the socket at both ends of the lamp 22 is covered with a colored or metallic cylindrical cover 23. A lighting fixture 20 for a straight tube lamp is used. cylindrical Both ends of the cover 23 are open, and the lamp 22 is attached to the socket 24 as shown in FIG. Pass the lamp 22 through the lamp 22 beforehand, and after attaching the lamp 22 to the socket 24, remove the cover. 23 toward the socket 24 and support the slit 23a of the cover 23 with the socket. After fitting to the base 25, there is one in which the end plate 26 is fitted from the opposite side. .

0003 However, when replacing the lamp, the cylindrical case 23 must be passed through the lamp 22 in advance. It's easy to forget to leave the end plate 26 in place, and once removed, I misplaced it and lost it. There is a risk of damage. Therefore, as shown in Fig. 10, a cylindrical cover 3 with one end closed is used. 0 is fitted into the socket support base 31 from the outside of the socket. When replacing the lamp 32, the cover 30 fitted to the socket support base 31 should be removed from the outside. or remove the cover 30 without completely removing it. The lamp replacement is completed by leaving it in a state where it is partially engaged with the bracket support 31. Afterwards, it is completely fitted into the socket support base 31 again.

0004

[Problem that the idea aims to solve]

However, the cover 30 is not completely removed and is partially engaged with the socket support base 31. If you attempt to replace the lamp while the lamp is in the 30 may fall and hit people or property below, causing injury or damage. Ru. So, after completely removing the cover 30, I put it on a stepladder etc. because there was no place to put it. I had to get down and put the cover on the floor.

[0005] Also, the fitting of the cover 30 to the socket support base 31 is done through the slit 33 of the cover 30. This is done by engaging the socket support base 31, but after the lamp replacement is completed, the cover 3 0 to the socket support base 31, or even if the fitting is complete, vibration may occur over a long period of time. There is also a risk that the cover 30 may loosen due to movement or the like and fall.

[0006] This invention makes it easy to replace the lamp, and once it is fitted, the cover will not come off accidentally. The purpose is to provide lighting equipment with

[0007]

[Means to solve the problem]

In order to achieve this purpose, in this invention, near both ends of a straight tube fluorescent lamp, A cylindrical cover with one end closed to cover the vicinity of the socket protruding from the reflector. from the outside to engage the socket support base on which the socket is attached. In the lighting fixture, the socket support has an engagement groove with a plurality of holes, and one On the other hand, the cover has a slit-shaped engagement portion with an open end that engages with the engagement groove, The engaging portion is configured to have a claw portion that engages with the terminal end of the engaging groove or the hole. accomplished.

[0008]

[Effect]

When the engagement part of the cover is engaged with the engagement groove of the socket support base and completely fitted, The claw portion of the engaging portion engages with the terminal end of the engaging groove. In this state, unless you pull it a little harder It becomes impossible to pull out. When replacing the lamp, pull the cover a little harder to engage it. Disengage the claw part of the mating part from the end of the engagement groove and move it back, and the cover replaces the lamp. to a position where it does not get in the way of the socket, and where the claw of the socket engages with the hole of the engagement groove. make them retreat. The claw part of the engaging part engages with the hole in the engaging groove, so there is no need to worry about anything during replacement work. Even if the cover is subjected to a strong impact, it will not fall out of the engagement groove. stomach.

[0009]

【Example】

In FIG. 1, 1 represents a socket support, 2 represents a socket, and 3 represents a cover. socket The support base 1 has a socket mounting part 4 projecting downward from one end thereof, and the socket mounting part 4 shown in FIG. Socket 2 is attached as shown. Socket 2 is a socket for a 110W lamp. Although it is large in size, by changing the direction of the socket support stand 1 as shown in Fig. 6, it can be A small socket 15 for a W lamp can also be attached. In addition, socket support The base 1 is provided with an engagement groove 5 for engagement with the cover 3.

0010 The cover 3 has a cylindrical shape with one end closed, and has a notch 6 and a socket support 1. The engagement groove 5 has an engagement portion 7 that engages with the engagement groove 5 . The engaging part 7 of the cover 3 has one end It has an open slit shape and has a thickness that allows it to be inserted into the engagement groove 5 of the socket support base 1. A protruding claw portion 8 is provided near the entrance of the slit so as to face inward. There is.

[0011] When the engaging portion 7 of the cover 3 is completely fitted into the engaging groove 5 of the socket support base 1, it is shown in FIG. In this state, as shown in FIG. It goes to 10 and is engaged here, and it becomes impossible to pull it out unless you pull it a little harder. There is. In addition, as shown in FIG. Engaging holes 9a, 9b are provided.

0012 When replacing the lamp 11, pull the cover 3 a little forcefully so that the engagement groove 5 of the claw part 8 After releasing the engagement with the terminal end 10, the claw portion 8 of the engagement portion 7 engages with the hole 9a of the engagement groove 5. retreat to position. Then, the cover 3 gets in the way of replacing the lamp 11 as shown in Figure 5. You will be forced to retreat to a position where you should not be. The claw portion 8 of the engagement portion 7 is connected to the hole 9a of the engagement groove 5. Because they are engaged, even if the cover 3 receives some kind of impact during replacement work, the cover 3 will not be in the engagement groove 5. There is no chance of it slipping out and falling.

[0013] When installing a small socket 15 for a 20 to 40W lamp as shown in Figure 6 Change the orientation of the socket support base 1 and attach the socket 15. Therefore, in Figure 4 Then, the socket support base 1 is rotated 180° while the orientation of the engaging part 7 of the cover 3 remains the same. It will engage with the engagement groove 5 of the socket support base 1 at the position shown in FIG. Therefore, hippo -3 is completely fitted into the socket support base 1, the engaging part 7 is at the end of the engaging groove 5. It advances to the end 17 and becomes unable to be pulled out unless pulled strongly. Interchange lamp 16 When replacing the cover 3, the cover 3 is moved back to the state shown in FIG. The claw portion 8 engages with the hole 9b of the engagement groove 5. In addition, when using the small socket 15, In this case, the cover 3 may be replaced with a cover 3 having the same engaging portion 7 but a smaller cylinder diameter.

[0014] Note that in the embodiment, the claw portion 8 is provided near the entrance of the slit of the engaging portion 7; It may be provided at a location other than the vicinity of the entrance. Also, the number of claws 8 may be two or more. The number of holes 9 in the engagement groove 5 may be increased accordingly. Furthermore, the engaging part 7 is completely inserted into the engaging groove 5. In the embodiment, the claw portion 8 engages with the terminal end portion 10 or 17 of the engagement groove 5. However, when the engaging portion 7 is completely engaged with the engaging groove 5, the end of the engaging groove It is also possible to engage with any hole instead of the part.

[0015]

[Effect of the idea]

In the present invention, the socket support has an engagement groove with a plurality of holes, while the cover has an engagement groove with a plurality of holes. It has a slit-shaped engagement part with an open end that engages with this engagement groove, and this engagement part has a A claw part that engages with the end of the engagement groove or the hole is provided, and the engagement part of the cover is connected to the socket. When the engagement groove of the support base is fully engaged, the claw of the engagement part will be at the end of the engagement groove. It becomes engaged with the end and cannot be pulled out unless pulled a little forcefully, and after a long period of time, It is safe because there is no risk of the cover loosening and falling.

[0016] Also, when replacing the lamp, pull the cover a little forcefully to remove the engaging groove in the claw of the engaging part. Disengage the end of the lamp and move it back until the cover does not interfere with lamp replacement. When the socket is placed in the position and retreated until the socket claw engages with the hole in the engagement groove, the engagement part will open. The claw engages with the hole in the engagement groove, so even if it receives some kind of shock during replacement work, it will not work. There is no possibility that the cover will slip out of the engagement groove and fall.

[0017] Therefore, move the socket back until the claws of the socket engage with the holes in the engagement groove, and completely close the cover. Even if you replace the lamp without removing it, the cover may fall due to some impact during the work. There is no risk of injury or damage to people or property below. do not have. Also, there is no need to completely remove the cover, so first get off the stepladder and place the cover on the floor. There is no need to set it down, increasing work efficiency.

[Brief explanation of drawings]

[Fig. 1] A diagram showing the vicinity of the socket support base of the lighting fixture of the present invention.

[Figure 2] Diagram showing a state in which a large socket is attached to a socket support base

[Figure 3] Diagram showing the state in which the cover is completely fitted to the socket support base

[Figure 4] Cross-sectional view of the vicinity of the engagement groove when the cover is completely fitted to the socket support base

[Figure 5] Diagram showing the state in which the cover is retracted for lamp replacement

[Figure 6] Diagram showing a state in which a small socket is attached to a socket support base

[Fig. 7] Diagram showing the state in which the cover is retracted from the state in Fig. 6 for lamp replacement.

[Figure 8] Overall view of lighting equipment

[Figure 9] Diagram showing the vicinity of the conventional cover and socket support stand

[Fig. 10] A diagram showing the vicinity of another conventional cover and socket support stand.

[Explanation of symbols]

1 Socket support stand 2 socket 3 Cover 4 Socket mounting part 5 Engagement groove 7 Engagement part 9a hole 9b hole 10 Termination part 17 Termination part

Claims (1)

[Scope of utility model registration request] Claim 1: A socket support stand on which a cylindrical cover with one end closed is attached from the outside so as to cover the vicinity of the socket protruding from the reflector near both ends of a straight tube fluorescent lamp. In the lighting fixture adapted to engage with the socket support 1, the socket support 1 has a plurality of holes
On the other hand, the cover 3 has a slit-shaped engagement portion 7 with an open tip that engages with the engagement groove 5. A lighting device characterized in that it is provided with a claw portion 8 that engages with the terminal end portions 10, 17 or holes 9a, 9b.