CN205048282U - Street lamp cap - Google Patents

Abstract

The utility model provides a lamp holder for a street lamp, which comprises a base, a lampshade and a top cover. The lampshade is arranged at a position between the top cover and the base. part and the second connecting part are detachably connected, and the connecting position of the first connecting part and the second connecting part is located inside the base, inside the lampshade or inside the top cover, and through the connection between the top cover and the base, the The lampshade between is subject to clamping force, so as to realize the fixation of the overall structure of the lamp holder of the street lamp, and set the connection position in the base, the lampshade or the top cover, so as to ensure the overall aesthetics of the lamp holder of the street lamp and facilitate assembly, and the lamp holder of the street lamp Simple structure.

Description

Street lamp holder

technical field

The utility model relates to the field of road lighting, in particular to a lamp holder of a street lamp.

Background technique

LED lights have the characteristics of long life and power saving, and have been widely used in recent years. With the successful development of high-power LED, it has been gradually applied to urban road lighting. At the same time, with the continuous implementation of the national semiconductor lighting project, the LED road lighting bidding project of the National Development and Reform Commission, and the LED street lamp project of ten cities and ten thousand lamps, road lighting lamps such as LED street lamps have gradually become popular due to their advantages of high efficiency, energy saving, and high color rendering. Popularized and applied to urban ordinary road lighting.

Contents of the invention

Based on the above-mentioned background technology, the purpose of this utility model is to provide a street lamp lamp holder with simple structure and convenient assembly.

In order to achieve the purpose of the utility model, the utility model provides a lamp holder for a street lamp, including a base, a lampshade and a top cover, and the lampshade is arranged at a position between the top cover and the base, wherein the top cover is provided with a first connecting portion, and the base A second connecting part is provided, the first connecting part and the second connecting part are detachably connected, and the connecting position of the first connecting part and the second connecting part is located inside the base, inside the lampshade or inside the top cover.

It can be seen from the above scheme that through the connection between the top cover and the base, the lampshade arranged between the top cover and the base is subjected to clamping force, so as to realize the fixing of the overall structure of the lamp head of the street lamp, and set the connection position inside the base and inside the lampshade. Or inside the top cover, so as to ensure the overall aesthetics of the lamp cap of the street lamp and facilitate assembly, and the structure of the lamp cap of the street lamp is simple.

A further solution is that the top cover includes an end cover and a first connecting piece, the end cover is fixedly connected to the first connecting piece, the end cover is located outside the lampshade, and the first connecting piece is provided with a first connecting portion inside the lampshade.

A further solution is that the first connecting member is tapered.

A further solution is that the first connecting portion is provided with threads.

It can be seen from the above that through the end cover and the first connecting part, and the first connecting part is provided in the lampshade in the first connecting part, it is more convenient to assemble the top cover and the base, and at the same time, the first connecting part is set in a tapered shape, The light can be better reflected to the outside, which is conducive to improving the light efficiency, and the setting of the screw thread is conducive to easy installation.

A further solution is that the base includes a lamp holder and a second connecting part, the lamp holder is fixedly connected to the second connecting part, the lamp holder is located outside the lampshade, and the second connecting part is provided with a second connecting part inside the lampshade.

A further solution is that the second connecting piece is arranged in a tapered shape.

A further solution is that the second connecting portion is provided with threads.

It can be seen from the above that through the lamp holder and the second connecting part, and the second connecting part is provided in the lampshade, it is more convenient to assemble the top cover and the base, and at the same time, the second connecting part is set in a tapered shape, The light can be better reflected to the outside, which is conducive to improving the light efficiency, and the setting of the thread is conducive to easy installation.

A further solution is that the lamp holder of the street lamp includes LED chips, and the LED chips are arranged on the top cover.

A further solution is that the LED chips are arranged obliquely relative to the central axis of the lampshade.

It can be seen from the above that the light-emitting device can use either a traditional light source or an LED light source, and the LED chip is arranged on the top cover and arranged obliquely, which is beneficial to irradiate the light onto the road, thereby improving the light efficiency.

A further solution is that a first sealing ring is provided with an interference fit between the top cover and the lampshade, and a second sealing ring is provided with an interference fit between the base and the lampshade.

It can be seen from the above that the provision of the sealing member is beneficial to improve the overall waterproof line of the lamp cap of the street lamp, effectively preventing water vapor from entering the lamp cap, thereby prolonging the service life of the lamp cap of the street lamp.

Description of drawings

Fig. 1 is a structural diagram of the first embodiment of the lamp base of the utility model street lamp.

Fig. 2 is an exploded view of the structure of the first embodiment of the lamp holder of the street lamp of the present invention.

Fig. 3 is an exploded view of the structure of the base of the first embodiment of the lamp holder of the street lamp of the present invention.

Fig. 4 is a structural diagram of the top cover in the first embodiment of the lamp holder of the street lamp of the present invention.

Fig. 5 is an exploded view of the structure of the top cover in the first embodiment of the lamp holder of the street lamp of the present invention.

Fig. 6 is a cross-sectional view of the first embodiment of the street lamp lamp cap of the present invention.

FIG. 7 is an enlarged view at A in FIG. 6 .

Fig. 8 is an enlarged view of B in Fig. 6 .

Fig. 9 is a structural view of the top cover in the second embodiment of the lamp holder of the street lamp of the present invention.

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

detailed description

The first embodiment of street lamp base:

Referring to FIG. 1 and FIG. 2 , FIG. 1 is a structure diagram of a lamp cap 1 of a street lamp, and FIG. 2 is an exploded view of the structure of the lamp cap 1 of a street lamp. The street lamp lamp cap 1 includes a top cover 2, a lampshade 3 and a lamp holder 4. The fixed end of the lamp holder 4 is used to be fixedly connected with the lamp pole. The lampshade 3 is arranged at a position between the lamp holder 4 and the top cover 2, and the lamp holder 4 Located at the bottom, the top cover 2 is located at the top, the lampshade 2 is made of light-transmitting material, and the middle part of the oval lampshade 3 forms an accommodation cavity, an opening 31 is arranged above the accommodation cavity, and an opening 32 is arranged below the accommodation cavity.

Referring to Fig. 3, Fig. 3 is an exploded view of the structure of the base 4, the base 4 includes a connecting piece 41 and a lamp holder 43, the connecting piece 41 is arranged in a cone shape and may be coated with reflective material on the outer surface, and the connecting piece 41 is located near the lamp The diameter of the end of the holder 43 is relatively large, and the diameter of the end of the connector 41 located away from the lamp holder 43 is relatively small. A connecting portion 411 is provided on the end of the connector 41 located away from the lamp holder 43, and the connecting portion 411 is provided with External thread, the connecting piece 41 is located on the end close to the lamp holder 43 and is provided with a flange 412 extending outward in the circumferential direction, and a plurality of positioning holes are penetratingly opened on the flange 412, and the plurality of positioning holes are evenly distributed in the circumferential direction. Zhou Xiang.

The lamp holder 43 is arranged in a cup shape, and a recessed cavity is formed in the middle of the lamp holder 43, a power supply assembly (not shown) can be installed in the cavity, and a ring wall 431 is arranged on the outer periphery of the lamp holder 4 along the circumferential direction A ring platform 432 is provided on the outer side of the ring wall 431 , and an annular groove 433 is provided on the outer side of the ring platform 432 , and the annular groove 433 is located at the outermost position of the lamp holder 4 .

Referring to FIG. 4 and FIG. 5 , FIG. 4 is a structural view of the top cover 2 , and FIG. 5 is an exploded view of the top cover 2 . The top cover 2 includes an end cap 23 and a connecting piece 21. The connecting piece 21 is tapered and coated with a reflective material on the outer surface of the connecting piece 21. The connecting piece 21 is located near the end of the end cap 23 and has a larger diameter. The diameter of the end portion of the connector 21 located away from the end cap 23 is relatively small, and the end portion of the connector 21 located away from the end cap 23 is provided with a connecting portion 211 , the connecting portion 211 is provided with an internal thread, and the connector 21 is located near the end cap 23 A plurality of light-transmitting holes 212 are penetratingly provided at the end of the .

The end cover 23 is provided with a plurality of heat dissipation fins 231 facing outward, and the plurality of heat dissipation fins 231 are arranged radially. Arranged radially, the protruding post 232 is provided with an end face 233 that is inclined outwards. The lamp cap 1 of the street lamp also includes a plurality of LED chips 24, and a plurality of light-emitting lamp beads are arranged on the LED chip 24. The LED chips 24 are fixedly installed on the protruding post 232. On the end surface 233 of the street lamp, the LED chip 24 is arranged obliquely outward, and the LED chip 24 arranged obliquely outward can effectively output the emitted light to the outside of the lamp cap of the street lamp, thereby effectively improving the light efficiency. When the connecting piece 21 is fixedly connected to the lamp holder 23 , the connecting piece 21 covers the protrusion 232 , and each light bead of the LED chip 24 passes through the light-transmitting hole 212 .

Referring to FIG. 6 , FIG. 6 is a cross-sectional view of a lamp cap of a street lamp. When the top cover 2, the lampshade 3 and the base 4 of the lamp cap 1 of the street lamp are assembled, the top cover 2 is installed from the top of the opening 31, and the connecting part 211 of the connector 21 passes through the opening 31 and extends into the accommodation chamber of the lampshade 3. 4 Install from the bottom of the opening 32, the connecting part 411 of the connecting piece 41 passes through the opening 32 and then extends into the receiving chamber of the lampshade 3, the connecting part 211 and the connecting part 411 are detachably threaded and connected, the connecting part 211 and the connecting part The position where the part 411 is connected is located inside the lampshade 3 . The lampshade 3 has a central axis L1 , and the LED chip 24 is disposed obliquely relative to the central axis L1 of the lampshade 3 .

Referring to FIG. 7, FIG. 7 is an enlarged view of A in FIG. 6, that is, a cross-sectional view of the joint between the top cover 2 and the lampshade 3. The outer periphery of the end cover 23 of the top cover 2 is provided with a ring groove 234, and the lampshade 3 is located at the opening 31. A protruding ring 311 is provided on one end of the lampshade, the protruding ring 311 is located inside the ring groove 234, the sealing ring 22 is arranged in the ring groove 234, and the sealing ring 22 is adjacent to the lampshade 3, so that the sealing ring 22 is arranged on the top cover 2 with an interference fit. and lamp shade 3 between. Of course, the sealing ring 22 may not be used, that is, the top cover 2 is directly adjacent to the lampshade 3, and the purpose of the utility model can also be achieved.

Referring to Figure 8, Figure 8 is an enlarged view of B in Figure 6, that is, a cross-sectional view of the joint between the base 4 and the lampshade 3, when the connector 41 is fixedly connected to the lamp holder 43, the flange 412 is set outside the ring wall 431, and the sealing ring 42 is set in the annular groove 433 , the sealing ring 42 is adjacent to the lampshade 3 , so that the sealing ring 42 is arranged between the base 4 and the lampshade 3 with an interference fit. Of course, the sealing ring 42 may not be used, that is, the base 4 is directly adjacent to the lampshade 3, and the purpose of the utility model can also be achieved.

Under the action of the connection between the connecting portion 211 and the connecting portion 411 , the top cover 2 and the base 4 respectively apply a clamping force to the lampshade 3 , thereby ensuring the stability of the overall structure of the lamp cap 1 of the street lamp.

The second embodiment of the lamp base of the street lamp:

Referring to Fig. 9, Fig. 9 is a structural diagram of the top cover 5 in the second embodiment of the street lamp lamp holder. On the basis of the first embodiment of the lamp cap of the street lamp, the top cover can also adopt the top cover 5 as shown in FIG. The end of the connector 51 near the end cover 52 is provided with an end face 53 facing the lampshade. The end face 53 is extended in a ring shape, and the end face 53 is inclined outward. There are a plurality of installation positions on the end face 53. The LED chip 54 is installed on the On the mounting position of the end surface 53, the LED chip 54 is then installed obliquely. By arranging the LED chip 54 on the connecting member 51, the LED chip can also be irradiated obliquely, thereby improving the light efficiency of the lamp head of the street lamp, and also achieving the purpose of the utility model.

It can be seen from the above that through the connection between the top cover and the base, the lampshade arranged between the top cover and the base is subjected to clamping force, so as to realize the fixing of the overall structure of the lamp head of the street lamp, and set the connection position in the base, inside the lampshade or Inside the top cover, thereby ensuring the overall aesthetics of the lamp cap of the street lamp and facilitating assembly, and the structure of the lamp cap of the street lamp is simple.

The above-mentioned embodiment is only a preferred embodiment of the utility model, and it can have more changes in practical application. For example, the end cover and the first connector in the top cover can be made in an integrated way, and the LED chip is set The oblique end surface on the connector can be used, and the heat dissipation form does not adopt the form of heat dissipation fins, and the top cover adopts a dome structure, which can also achieve the purpose of the utility model.

Another example is that the lamp holder and the second connector in the base can be made in one piece, and the integrally formed base abuts against the lampshade, which can also achieve the purpose of the utility model.

Except that the first connecting piece and the second connecting piece are connected by screw threads, the first connecting piece and the second connecting piece can also be connected by conventional connecting ways such as buckle, buckle, and lock.

Another example is to change the position of the connecting part or change the shape of the connecting piece, the first connecting part is arranged in the top cover, and when the second connecting part is connected to the first connecting part, the position where the first connecting part is connected to the second connecting part is then Located in the top cover, or set the second connection part in the base, when the second connection part is connected to the first connection part, the position where the first connection part and the second connection part are connected is located in the base, and the connection position is set In the base, in the lampshade or in the top cover, as long as the shape of the connector is changed as required, the purpose of the utility model can also be achieved.

Claims (10)

1. A street lamp lamp holder, including a base, a lampshade and a top cover, and the lampshade is arranged at a position between the top cover and the base; It is characterized by: The top cover is provided with a first connection part, the base is provided with a second connection part, the first connection part and the second connection part are detachably connected, and the first connection part and the second connection part The connection position of the connecting part is located in the base, the lampshade or the top cover. 2. The street lamp lamp holder according to claim 1, characterized in that: The top cover includes an end cover and a first connecting piece, the end cover is fixedly connected to the first connecting piece, the end cover is located outside the lampshade, and the first connecting piece is provided inside the lampshade the first connecting part. 3. The street lamp lamp holder according to claim 2, characterized in that: The first connecting piece is configured in a tapered shape. 4. The street lamp lamp holder according to claim 2, characterized in that: The first connecting portion is provided with threads. 5. The street lamp lamp holder according to claim 1, characterized in that: The base includes a light holder and a second connecting piece, the light holder is fixedly connected to the second connecting piece, the light holder is located outside the lampshade, and the second connecting piece is arranged inside the lampshade. Describe the second connection part. 6. The street lamp lamp holder according to claim 5, characterized in that: The second connecting piece is configured in a tapered shape. 7. The street lamp lamp holder according to claim 5, characterized in that: The second connecting portion is provided with threads. 8. The street lamp lamp holder according to claims 1 to 7, characterized in that: The lamp holder of the street lamp includes an LED chip, and the LED chip is arranged on the top cover. 9. The street lamp lamp holder according to claim 8, characterized in that: The LED chips are arranged obliquely relative to the central axis of the lampshade. 10. The street lamp lamp holder according to claims 1 to 7, characterized in that: A first sealing ring is provided with an interference fit between the top cover and the lampshade, and a second sealing ring is provided with an interference fit between the base and the lampshade.