CN210345207U

CN210345207U - Down lamp structure

Info

Publication number: CN210345207U
Application number: CN201921804458.7U
Authority: CN
Inventors: 潘爱松
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-04-17
Anticipated expiration: 2029-10-25

Abstract

A down lamp structure comprises a lamp holder and a lamp body; the lamp holder comprises a top plate and a circular ring seat; the upper end of the circular ring seat is provided with 4 grooves, and springs are arranged in the grooves; the top plate is placed in the circular ring seat, 4 salient points are arranged on the top plate, and the salient points are embedded in the grooves and connected with the springs; 2 binding posts are arranged above the top plate, and a contact ring are arranged below the top plate; the lower end of the circular ring seat is provided with a circular bottom edge; the bottom edge is provided with 4 round holes, the round holes are correspondingly provided with bolts, and movable strips are arranged corresponding to the bolts; fixing pieces are arranged on the outer side of the circular ring seat and beside the circular hole; the lamp body is provided with a shell, an LED panel and a connecting seat; the connecting seat is cylindrical, and the top of the connecting seat is provided with 2 contacts which are respectively used for connecting a contact and a contact ring of the circular ring seat; a magnetic ring is arranged below a top plate of the lamp holder, and an annular iron sheet is arranged at a corresponding position above a connecting seat of the lamp body. The utility model has the advantages that: different lamp bodies can be installed on the same lamp holder, and the installation and the replacement are convenient.

Description

Down lamp structure

Technical Field

The utility model belongs to a down lamp structure for installing on furred ceiling.

Background

Downlights are the most common lighting fixtures, whether in a mall or at home; along with the development of science and technology, present down lamp adopts LED paster lamp pearl to illuminate basically, has energy-conservation, occupation space is few, not fragile advantage such as. The LED tube light is different in size according to the power, and is generally 2.5 inches, 3 inches, 3.5 inches, 4 inches, 5 inches, 6 inches and the like. The LED down lamp is arranged on a suspended ceiling, and the suspended ceiling is usually a gypsum board structure; a circular hole with a diameter slightly smaller than that of the down lamp is formed in the suspended ceiling, and the down lamp is embedded in the suspended ceiling; the opening is not suitable for being too large or too small and must be matched with the down lamp.

The existing LED down lamp has no independent lamp holder; when changing the lamp, need take off whole down lamp. The following defects exist when the down lamp is replaced: firstly, due to the suspended ceiling with the gypsum board structure, when the down lamp is taken down, dust is easy to fall off due to scraping with the gypsum board, and the gypsum board is easy to damage; secondly, a low-power down lamp is changed into a high-power down lamp, and the opening needs to be dug to be large again so as to be suitable for mounting the high-power down lamp; if the headlight is replaced and the lamp is replaced with a smaller one, the process is not performed, because the hole is large and cannot be made smaller, that is, the original high-brightness lamp cannot be replaced with the low-brightness lamp.

Disclosure of Invention

In order to solve the above problem that current down lamp exists, the utility model provides a down lamp structure, including lamp stand and lamp body, the lamp stand is used for fixed mounting on the furred ceiling, and the size of lamp body has different specifications, has different power promptly, nevertheless all is applicable to the lamp stand of same kind of specification.

The utility model provides a technical scheme that its technical problem adopted is:

a down lamp structure comprises a lamp holder and a lamp body; the lamp holder is somewhat like a hat and is fixedly arranged on the ceiling; the lamp holder comprises a top plate and a circular ring seat; the upper end of the circular ring seat is provided with 4 grooves, springs are arranged in the grooves, the top plate is placed in the circular ring seat and provided with 4 salient points, and the salient points are embedded in the grooves and connected with the springs. 2 binding posts are arranged above the top plate and are used for connecting a mains supply power line; corresponding to the 2 binding posts, a contact and a contact ring are arranged below the top plate; the contact is located the center of roof, is connected with one of them terminal, and the contact ring is the ring shape, uses the contact as the centre of a circle, is connected with another terminal. The lower end of the circular ring seat is provided with an annular bottom edge, is positioned on the outer side of the circular ring seat and is connected with the circular ring seat into a whole; the bottom edge is provided with 4 round holes, the round holes are correspondingly provided with bolts, and movable strips are arranged corresponding to the bolts; the bolt is screwed into the movable strip after penetrating through the round hole; fixing pieces are arranged on the outer side of the circular ring seat and beside the circular hole. When the bolt is screwed down, the movable strip rotates clockwise for 90 degrees, is blocked by the fixing piece and can not rotate any more, and the bolt is continuously screwed down to enable the movable strip to be continuously close to the annular bottom edge so as to clamp the ceiling board; when the bolt is rotated anticlockwise, the movable strip is loosened and attached to the outer side of the circular ring seat, and the lamp holder can be taken down.

The lamp body is provided with a shell, an LED panel and a connecting seat; the connecting seat is cylindrical, and the top is equipped with 2 contacts, is connected with the contact of ring seat, contact ring respectively, and the contact is made for having elastic conductive metal. The inside of the connecting seat is provided with a circuit board. The LED panel is provided with an LED lamp bead.

The size of the connecting seat is matched with the circular ring seat of the lamp holder, and the size of the LED panel and the size of the shell can be determined according to the size of the power of the down lamp.

Furthermore, a magnetic ring is arranged below a top plate of the lamp holder, and an annular iron sheet is arranged at a corresponding position above a connecting seat of the lamp body; when the lamp is installed, the connecting seat of the lamp body is placed into the circular ring seat of the lamp holder. Because the magnetic ring and the annular iron sheet attract each other and stick together, 2 contact terminals contact with the contact point of the circular ring seat, the contact ring respectively, and the circuit is switched on.

The beneficial effects of the utility model are that: different lamp bodies can be installed on the same lamp holder, and the lamp holder has the advantages of convenience in installation and replacement, difficulty in damaging a ceiling plate and the like.

Drawings

Fig. 1 is a schematic plan view of an embodiment of the present invention.

Fig. 2 is a schematic bottom view of a lamp socket according to an embodiment of the present invention.

Fig. 3 is a schematic top view of a lamp socket according to an embodiment of the present invention.

Fig. 4 is a schematic top view of a lamp body according to an embodiment of the present invention.

Detailed Description

The following describes embodiments of the present invention with reference to the accompanying drawings.

One embodiment is shown in FIGS. 1-4; a down lamp structure comprises a lamp holder 1 and a lamp body 2; the lamp holder 1 is fixedly arranged on the ceiling; the lamp holder 1 comprises a top plate 11 and a circular ring seat 12; the upper end of the circular ring seat 12 is provided with 4 grooves 12a, and pressure springs 13 are arranged in the grooves 12 a; the top plate 11 is placed in the circular ring seat 12 and is slightly smaller than the circular ring seat 12; the top plate 11 is provided with 4 bumps 11a uniformly distributed on the edge of the top plate 11, and the bumps 11a are embedded in the grooves 12a, so that the bumps 11a press against the springs 13. 2 binding

posts

14a and 14b are arranged above the top plate 11 and used for connecting a mains supply power line; a contact 15a and a contact ring 15b are arranged below the top plate 11 corresponding to the 2

binding posts

14a and 14 b; the contact 15a and the contact ring 15b are both copper sheets; the contact 15a is circular, is positioned at the center of the top plate 11 and is connected with the terminal 14 a; the contact ring 15b is circular and takes the contact 15a as the center of a circle; the contact ring 15b is connected to the post 14 b.

The lower end of the circular ring seat 12 is provided with a circular bottom edge 16 which is similar to the edge of a hat; is positioned at the outer side of the circular ring seat 12 and is connected with the circular ring seat 12 into a whole; 4 circular holes 16a are formed in the annular bottom edge 16, 4 bolts 17 are correspondingly arranged in the 4 circular holes 16a, 4 movable strips 18 are correspondingly arranged on the bolts 17, and screw holes 18a are formed in one ends of the movable strips 18; the bolt 17 is screwed into the screw hole 18a of the movable bar 18 after passing through the round hole 16 a; a fixing piece 19 is provided on the outer side of the ring base 12 and on the left side of the circular hole 16 a.

The lamp body 2 is provided with a shell 21, an LED panel 22 and a connecting seat 23; the connecting seat 23 is cylindrical, the top of the connecting seat is provided with 2 contacts 24a and 24b which are made of elastic conductive metal copper sheets; when the lamp body 2 is arranged on the lamp holder 1, the contact heads 24a and 24b are respectively connected with the contact points 15a and the contact ring 15b of the circular ring seat; a circuit board is provided inside the connection holder 23. The LED panel 22 is provided with LED beads.

Further, a magnetic ring 20a is arranged below the top plate 11 of the lamp holder 1, and an annular iron sheet 20b is arranged at a corresponding position above the connecting seat 23 of the lamp body 2.

Further, the dimensions of the lamp holder 1 are suggested as follows: the outer diameter of the circular ring seat 12 is 50mm, and the inner diameter is 45 mm; the main body diameter of the top plate 11 is 43 mm. The diameter of the connection holder 23 of the lamp body 2 is also 43 mm. When fitment, the diameter of the opening of the ceiling plate down lamp is 55-60 mm.

The sizes of the lamp holder 1 and the connecting seat 23 of the lamp body 2 are unified into one specification, and the size of the LED panel and the size of the shell are determined according to the power of the down lamp. For example, the power of 3W is low, the number of lamp beads is small, the diameter of the LED panel can be 60mm, and the diameter of the shell can be 70 mm; 12W power is great, and the lamp pearl is also many, and LED panel diameter can adopt 120mm and shell diameter to adopt 140 mm.

When the lamp holder 1 is installed on a suspended ceiling, wires are connected to the

wiring posts

14a and 14 b; the movable strip 18 is attached to the outer side of the circular ring seat 12, and then the lamp holder 1 is embedded into a tube light opening of a suspended ceiling (the annular bottom edge 16 is positioned below the suspended ceiling plate 3); then the bolt 17 is screwed clockwise; at this time, the movable strip 18 rotates clockwise, and after rotating 90 degrees, the movable strip is stopped by the fixed sheet 19 (see the left movable strip 18 in fig. 3); the bolt 17 is tightened further clockwise so that the movable strip 18 is continuously brought close to the annular bottom edge to clamp the ceiling tile 3. When the screw bolt 17 is rotated anticlockwise during the assembling and disassembling, the movable strip 18 is loosened and then rotated anticlockwise to be abutted against the outer side of the circular ring seat 12 (shown in the movable strip 18 on the right side in the figure 3), and the lamp holder can be taken down.

When the lamp body 2 is installed, the connecting seat 23 of the lamp body is placed into the circular seat 12 of the lamp holder. Because the magnetic ring and the annular iron sheet are mutually attracted and stuck together, 2 contact terminals 24a and 24b are respectively contacted with the contact point 15a and the contact ring 15b of the circular ring seat, and the circuit is conducted.

The pressure spring 13 has a buffering function, so that the lamp body can be conveniently taken down.

Above embodiment, it is very convenient just to change the lamp body of equidimension or different power, need not change the lamp stand, need not the wiring, directly take off, directly put on can, also can not have the dust and drop.

The above description is only an example of an embodiment of the present invention, and for those skilled in the art, some changes should be made without departing from the principle of the present invention, which should be considered as belonging to the protection scope of the present invention.

Claims

1. The utility model provides a down lamp structure, characterized by: comprises a lamp holder and a lamp body;

the lamp holder comprises a top plate and a circular ring seat; the upper end of the circular ring seat is provided with 4 grooves, springs are arranged in the grooves, the top plate is placed in the circular ring seat, the top plate is provided with 4 salient points, and the salient points are embedded in the grooves and connected with the springs; 2 binding posts are arranged above the top plate and are used for connecting a mains supply power line; corresponding to the 2 binding posts, a contact and a contact ring are arranged below the top plate; the contact is positioned in the center of the top plate and is connected with one of the wiring terminals; the contact ring is in a circular ring shape, takes the contact as the center of a circle and is connected with the other wiring terminal; the lower end of the circular ring seat is provided with an annular bottom edge, is positioned on the outer side of the circular ring seat and is connected with the circular ring seat into a whole; the bottom edge is provided with 4 round holes, the round holes are correspondingly provided with bolts, and movable strips are arranged corresponding to the bolts; the bolt is screwed into the movable strip after penetrating through the round hole; fixing pieces are arranged on the outer side of the circular ring seat and beside the circular hole;

the lamp body is provided with a shell, an LED panel and a connecting seat; the connecting seat is cylindrical, and the top of the connecting seat is provided with 2 contacts which are respectively used for connecting a contact and a contact ring of the circular ring seat;

a magnetic ring is arranged below the top plate of the lamp holder and corresponds to the magnetic ring, and an annular iron sheet is arranged above the connecting seat of the lamp body.

2. A downlight construction according to claim 1, wherein: the contact adopts an elastic conductive metal copper sheet.

3. A downlight construction according to claim 1, wherein: the outer diameter of the circular ring seat is 50mm, and the inner diameter of the circular ring seat is 45 mm; the main diameter of the top plate is 43 mm; the diameter of the connecting seat of the lamp body is also 43 mm.