CN204513152U - Road lamp cap - Google Patents

Abstract

The utility model provides a lamp holder for a street lamp, which includes a lamp holder, a top cover and an LED chip. The top cover is provided with a first installation hole on the end face facing the lampshade. The first installation hole is arranged at a position in the middle of the top cover. The opening of a mounting hole is set towards the lampshade, the inner wall of the first mounting hole is provided with an internal thread, the lamp holder is provided with a second mounting hole penetrating through it, and the second mounting hole is provided at the middle of the lamp holder, and the lamp cap of the street lamp also includes The tension rod, the first end and the second end of the tension rod are both provided with external threads, the first end is threaded with the first mounting hole, and the second end is threaded with the nut through the second mounting hole. The installation holes of the top cover and the base are provided, and the ends of the tension rods are respectively fixedly connected to the top cover and the base, so that the top cover, the lampshade and the base can be easily installed, and the structure is firm and reliable.

Description

street lamp holder

technical field

The utility model relates to a lamp holder of a street lamp, in particular to a lamp holder of a street lamp installed with an LED luminous body.

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 National Development and Reform Commission's LED road lighting bidding project, and the LED street lamp project of ten thousand lights in ten cities, LED street lamps and other road lighting 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.

At present, common street lights include light poles and LED street light lamp holders installed on the light poles. LED street light lamp holders include upper lampshades, lower lampshades, reflectors, lamp holders, LED light-emitting elements, power components and top covers. When assembling the lamp cap of the LED street lamp, after connecting the lamp holder, the lower lampshade, the upper lampshade and the top cover in sequence, since a complex connection structure needs to be set up between the various parts of the LED street lamp lamp cap, while ensuring its overall rigidity requirements, it is also necessary to To meet the requirements of waterproof performance, the overall structure of the lamp head of the LED street lamp is complicated, and the installation steps are cumbersome.

Contents of the invention

The purpose of the utility model is to provide a street lamp lamp holder which is easy to install and has a firm structure.

In order to achieve the purpose of the utility model, the utility model provides a lamp holder for a street lamp. The lamp holder for a street lamp includes a lamp holder, a top cover and an LED chip. , wherein the top cover is provided with a first installation hole on the end face facing the lampshade, the first installation hole is arranged at a position in the middle of the top cover, the opening of the first installation hole is arranged facing the lampshade, and the inner wall of the first installation hole is provided There are internal threads, and a second installation hole is provided through the lamp holder. The second installation hole is arranged in the middle of the lamp holder. The lamp holder of the street lamp also includes a tension rod. An external thread is provided, the first end is screwed with the first installation hole, and the second end is threaded with the nut after passing through the second installation hole.

It can be seen from the above scheme that the top cover, the lampshade and the base can be easily installed and the structure is firm and reliable through the setting of the mounting holes of the top cover and the base, and the ends of the tension rods are fixedly connected to the top cover and the base respectively.

A further solution is that the first installation hole is a blind hole with an opening facing the lampshade.

It can be seen from the above that through the setting of the blind hole, the upper part of the top cover is integrally sealed, avoiding the result of setting the protective cover on the top cover again, which can further improve the waterproof performance and the convenience of installation.

A further solution is that the second installation hole is a through hole provided through the lamp holder.

A further solution is that the tension rod is provided with a wire hole penetrating in the axial direction.

A further solution is that the peripheral wall of the first end part is provided with openings along the axial direction.

A further solution is that the second end is provided with an internal thread, and the lamp cap of the street lamp further includes a waterproof joint, the waterproof joint is provided with an external thread, and the waterproof joint is threadedly matched with the second end.

It can be seen from the above that when the power module is installed outside the lamp cap, it needs to supply power to the LED chip through wiring into the lamp cap. pass through, and then lead out from the opening at the first end to provide convenience for wiring, and the waterproof joint can effectively prevent water vapor from entering the lamp holder from the bottom.

A further solution is that the lamp holder of the street lamp also includes a reflector, the reflector is arranged in the lampshade, the tension rod passes through the reflector, and the LED chip is installed on the end surface of the top cover facing the lampshade.

It can be seen from the above that when the LED chips are arranged on the top cover, the reflective effect of light is better through the arrangement of the reflective member.

A further solution is that the lampshade is provided with a first protruding ring near the top of the top cover, and the top cover is provided with a first ring groove on the end face facing the lampshade, the first ring groove is located at the outermost side of the top cover, and the first ring groove A first sealing ring is provided, and the first protruding ring is arranged in the first ring groove and interferes with the first sealing ring.

A further solution is that the lampshade is provided with a second protruding ring at the bottom near the lamp holder, the lamp holder is provided with a second ring groove, the second ring groove is located at the outermost side of the lamp holder, and the second ring groove is provided with a second sealing ring , the second protruding ring is set in the second ring groove and is interference fit with the second sealing ring.

It can be seen from the above that by setting the protruding rings on the top and bottom of the lampshade, and by setting the ring grooves on the top cover and the slide grooves on the lamp holder, the sealing rings are set with an interference fit between the ring grooves through the protruding rings, so that under tension Under the action of the rod, the lampshade and the top cover are firmly fixed on the lamp holder. This installation method is not only convenient and easy to install, but also effectively improves the rigidity of the street lamp lamp head, and is also conducive to improving the sealing performance of the street lamp lamp head, so that the lamp head of the street lamp is effective when used outdoors. To prevent water vapor from entering the lampshade.

Description of drawings

Fig. 1 is a structural diagram of an embodiment of a lamp holder for a street lamp of the present invention.

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

Fig. 3 is a structural diagram of the top cover in the embodiment of the lamp holder of the street lamp of the present invention.

Fig. 4 is a structural view of the top cover in another viewing angle in the embodiment of the lamp holder of the street lamp of the present invention.

Fig. 5 is a structural diagram of the base in the embodiment of the lamp holder of the street lamp of the present invention.

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

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

Detailed ways

Referring to FIG. 1 , FIG. 1 is a structural diagram of a lamp cap 1 of a street lamp. The lamp holder 1 of the street lamp includes a lamp holder 4, a lampshade 3 and a top cover 2. The fixed end of the lamp holder 4 is used to be fixedly connected with the lamp pole. The lampshade 3 is installed above the lamp holder 2. The cover 2 is installed above the lampshade 3 .

Referring to FIG. 2 , FIG. 2 is an exploded view of the street lamp base 1 . The middle part of the spherical lampshade 3 forms an accommodating cavity, and a reflector 5 is installed in the accommodating cavity of the lampshade 3, and the reflector 5 is arranged in a conical shape with open upper and lower ends. The outer surface of the reflective member 5 is coated with reflective material, and the reflective member 5 is provided with a hollow cavity along the axial direction. The lower end of the reflector 5 is provided with a flange extending outward along the circumferential direction, and a plurality of positioning holes are penetratingly opened on the flange, and the plurality of positioning holes are evenly distributed in the circumferential direction along the circumferential direction.

The tension rod 6 is arranged in a long rod shape. The tension rod 6 includes a first end portion 61 and a second end portion 62. External threads are provided on the peripheral walls of the first end portion 61 and the second end portion 62. The tension rod 6 is arranged along the A wire hole 64 is provided axially through (see FIG. 6 ), an opening 63 is opened in the axial direction on the peripheral wall of the first end portion 61 , and an internal thread is also provided on the second end portion 62 .

Referring to FIG. 3 and FIG. 4 , FIG. 3 and FIG. 4 are structural diagrams of the top cover 2 at different viewing angles. The top cover 2 is arranged in a disk shape, and a plurality of heat dissipation fins 21 are arranged on the outward end surface of the top cover 2. The plurality of heat dissipation fins 21 are arranged in a spiral shape with the center of the top cover 2 as the origin. Heat conduction grooves for air circulation are formed between the fins 21 of the fins. An installation hole 22 is provided on the end surface of the top cover 2 facing inward, that is, toward the lampshade 3 , and the installation hole 22 is a blind hole provided with an internal thread. An annular groove 23 is provided on the end surface of the top cover 2 facing inward, that is, toward the lampshade 3 , the annular groove 23 extends along the circumferential direction, and the annular groove 23 is arranged on the outer side of the top cover 2 .

Referring to FIG. 5 , FIG. 5 is a structural view of the lamp holder 4 . The lamp holder 4 is arranged in a cup shape, and a recessed cavity is formed in the middle of the lamp holder 4. There may be a power supply assembly (not shown) in the cavity, and the power supply assembly may also be installed outside the lamp holder. An annular groove 42 is provided on the end surface of the lamp holder 4 facing the lampshade 3 , and the annular groove 42 is located at the outermost position of the lamp holder 4 . The lamp holder 4 is provided with an installation hole 41 penetrating in the axial direction on the end surface facing the lampshade 3 . A plurality of mounting posts 43 are also arranged on the lamp holder 4 , and the plurality of mounting posts 43 are evenly distributed along the circumferential direction, and the plurality of mounting holes 43 are used for fixing the reflector 5 .

Referring to FIG. 6 , FIG. 6 is a cross-sectional view of the lamp cap 1 of the street lamp. The second end 62 of the tension rod 6 passes through the mounting hole 41 and is screwed with the nut 65 on the outer side of the mounting hole 41, and the second end 62 of the tension rod 6 is equipped with a waterproof joint 63, the waterproof joint 63 The end of the outer thread is provided with an external thread, and the waterproof joint 63 is threadedly matched with the second end 62, and the water vapor is effectively prevented from entering through the wire hole 64 through the waterproof joint 63. The first end 61 of the tension rod 6 is screwed into the installation hole 22 . The reflector 5 is fixedly fitted with the mounting hole 43 , that is, the tension rod 6 passes through the reflector 5 and is connected between the top cover 2 and the lamp holder 4 .

A protruding ring 32 extends from the end of the lampshade 3 toward the lamp holder 4 . The protruding ring 32 is set in the ring groove 42 , and a sealing ring is provided in the space between the ring groove 42 and the protruding ring 32 with an interference fit. The top cover 2 is provided with LED chips 24 on the bottom surface facing the lampshade 3 . A protruding ring 31 extends from the end of the lampshade 3 toward the top cover 2 , and the protruding ring 31 is disposed in the ring groove 23 , and a sealing ring is provided in a space between the ring groove 23 and the protruding ring 31 with an interference fit.

It can be seen from the above that through the installation holes of the top cover and the base, the ends of the tension rods are fixedly connected to the top cover and the base respectively, so that the top cover, lampshade and base can be easily installed, and the structure is firm and reliable, and the waterproof performance is good. At the same time, by setting the convex ring on the top and bottom of the lampshade, and by setting the ring groove on the top cover and the slide groove on the lamp holder, the sealing ring is set in an interference fit between the ring grooves through the convex ring, so that the tension rod Under the action, the lampshade and the top cover are firmly fixed on the lamp holder. This installation method is not only convenient and easy to install, but also effectively improves the rigidity of the street lamp lamp head, and is also conducive to improving the sealing performance of the street lamp lamp head, so that the street lamp lamp head can be effectively prevented when used outdoors. Moisture has entered the lamp housing.

Claims (9)

1. road lamp cap, comprises

Lamp socket, described lamp socket is provided with lampshade;

Top cover, described top cover is arranged on described lampshade;

LED chip, described LED chip is arranged in described lampshade;

It is characterized in that:

Described top cover is provided with the first installing hole on the end face towards described lampshade, described first installing hole is arranged on the position at the middle part being positioned at described top cover, the opening of described first installing hole is arranged towards described lampshade, and described first installing hole inwall is provided with internal thread;

Described lamp socket penetratingly on be provided with the second installing hole, described second installing hole is arranged on the position at the middle part being positioned at described lamp socket;

Described road lamp cap also comprises stayed mast, and first end and the second end of described stayed mast are provided with external screw thread, described first end and described first installing hole threaded engagement, and described the second end coordinates with nut thread through described second installing hole.

2. road lamp cap according to claim 1, is characterized in that:

Described first installing hole is the blind hole of opening towards described lampshade.

3. road lamp cap according to claim 1, is characterized in that:

Described second installing hole is penetratingly be arranged on the through hole on described lamp socket.

4. road lamp cap according to claim 3, is characterized in that:

Described stayed mast is penetratingly provided with wire guide vertically.

5. road lamp cap according to claim 4, is characterized in that:

The perisporium of described first end offers opening vertically.

6. road lamp cap according to claim 5, is characterized in that:

Described the second end is provided with internal thread, and described road lamp cap also comprises water joint, and described water joint is provided with external screw thread, described water joint and described the second end threaded engagement.

7. the road lamp cap according to any one of claim 1 to 6, is characterized in that:

Described road lamp cap also comprises reflecting component, and described reflecting component is arranged in described lampshade, and described stayed mast is through described reflecting component, and described LED chip is arranged on described top cover towards on the end face of lampshade.

8. the road lamp cap according to any one of claim 1 to 6, is characterized in that:

Described lampshade is provided with the first bulge loop at the top near described top cover, described top cover is provided with the first annular groove on the end face towards described lampshade, described first ring slot is in the outermost of described top cover, described first annular groove is provided with the first sealing ring, described first bulge loop to be arranged in described first annular groove and with described first sealing ring interference fit.

9. the road lamp cap according to any one of claim 1 to 6, is characterized in that:

Described lampshade is provided with the second bulge loop in the bottom near described lamp socket, described lamp socket is provided with the second annular groove, described second annular groove is positioned at the outermost of described lamp socket, described second annular groove is provided with the second sealing ring, described second bulge loop to be arranged in described second annular groove and with described second sealing ring interference fit.