CN204647995U - Road lamp cap - Google Patents

Abstract

The utility model provides a lamp holder for a street lamp, which comprises a lamp holder, a lampshade and a top cover. A power supply assembly is installed in the lamp holder. The lampshade is installed on the lamp holder. The top cover is installed on the lampshade. Groove, the opening of the first ring groove is set towards the lampshade, the lamp cap of the street lamp also includes a first sealing ring extending in the circumferential direction, the first sealing ring includes a base, a positioning part and a sealing part, the positioning part is arranged in the first ring groove, the base Adjacent to the end surface of the first annular groove, the sealing portion is adjacent to the lampshade. In order to improve the waterproof performance of the street lamp, a ring groove is provided at the position adjacent to the lampshade and the top cover, and a raised positioning part is set on the sealing ring, which is convenient for the installation and positioning of the sealing ring, so that the sealing ring can fit the lampshade and the top cover. It is not easy to move, easy to install, and can effectively improve the waterproof performance of the lampshade and prolong the service life of the street lamp.

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 needs of waterproof performance, it is necessary to install a sealing ring between the lamp holder, lampshade and the top cover to prevent water vapor from entering the lamp cap of the street lamp. Because the existing sealing ring is easily misplaced during installation, it is easy for water vapor to enter Inside the lamp holder, and the overall structure of the lamp holder of the LED street lamp is complex, and the installation steps are cumbersome.

Contents of the invention

The first purpose of the present utility model is to provide a lamp holder for a street lamp which is easy to install and has good waterproof performance.

The second purpose of the utility model is to provide a street lamp lamp cap with simple structure and good waterproof performance.

In order to achieve the first purpose of the utility model, the utility model provides a street lamp lamp holder, including a lamp holder, a lampshade and a top cover, a power supply assembly is installed in the lamp holder, the lampshade is installed on the lamp holder, and the top cover is installed on the lampshade. Wherein, the top cover is provided with a first annular groove along the circumferential direction, and the opening of the first annular groove is set towards the lampshade, and the lamp cap of the street lamp also includes a first sealing ring extending along the circumferential direction, and the first sealing ring includes a base, a positioning part and a sealing part The positioning part and the sealing part are respectively arranged on both sides of the base part, the positioning part is arranged in the first annular groove, the base part is adjacent to the end surface of the first annular groove, and the sealing part is adjacent to the lampshade.

A further solution is that the positioning portion is a protrusion extending from the base.

A further solution is that the first sealing ring is made of elastic material.

It can be seen from the above scheme that in order to improve the waterproof performance of the street lamp, a ring groove is provided at the position adjacent to the lampshade and the top cover, and a raised positioning part is provided on the sealing ring to facilitate the installation and positioning of the sealing ring, so that the sealing ring is in the lampshade. It is not easy to move when it is matched with the top cover. It is easy to install and can effectively improve the waterproof performance of the lampshade and prolong the service life of the street lamp.

A further solution is that the lamp holder of the street lamp also includes a reflector, an LED chip and a tension rod. One end is fixedly connected with the lamp holder, and the second end of the tension rod is fixedly connected with the top cover.

A further solution is that the lampshade is provided with a protruding ring near the end of the lamp holder, the lamp holder is provided with a second ring groove, the opening of the second ring groove is arranged facing the lampshade, the second ring groove is located at the outermost side of the lamp holder, and the second ring groove is arranged on the outermost side of the lamp holder. The second ring groove is provided with a second sealing ring, and the protruding ring is arranged in the second ring groove and interferes with the second sealing ring.

It can be seen from the above that by setting a convex ring at the lower end of the lampshade and a ring groove on the lamp holder, a sealing ring is provided between the ring grooves through the convex ring to make the lampshade and the top cover stable under the action of the tension rod. This installation method is not only convenient and easy to install, but also effectively improves the rigidity of the lamp cap of the street lamp, and is also conducive to improving the sealing performance of the lamp cap of the street lamp, so that the lamp cap of the street lamp can effectively prevent water vapor from entering the lampshade when it is used outdoors.

In order to achieve the second purpose of the utility model, the utility model provides a lamp holder for a street lamp, which includes a lamp holder and an LED chip. There is a first annular groove along the circumferential direction, the opening of the first annular groove is set towards the lampshade, the lamp cap of the street lamp also includes a sealing ring extending along the circumferential direction, the sealing ring includes a base, a positioning part and a sealing part, and the positioning part and the sealing part are respectively provided On both sides of the base, the positioning part is arranged in the first ring groove, the base is adjacent to the end surface of the first ring groove, and the sealing part is adjacent to the lampshade.

It can be seen from the above scheme that in order to improve the waterproof performance of the street lamp, a ring groove can also be provided at the position adjacent to the lampshade and the lamp holder, and a raised positioning part is provided on the sealing ring to facilitate the installation and positioning of the sealing ring, so that the sealing ring When the lampshade and the lamp holder are matched, it is not easy to move, and the installation is convenient, and at the same time, the waterproof performance of the lampshade can be effectively improved, and the service life of the street lamp can be prolonged.

A further solution is that the lamp holder of the street lamp also includes a fixing ring, the fixing ring is extended along the circumferential direction, the fixing ring is provided with a plurality of first through holes penetrating in the axial direction, and the end of the lampshade facing the lamp holder is provided with a second through hole along the circumferential direction. Two ring grooves, the opening of the second ring groove is arranged radially outward, the fixing ring is arranged in the second ring groove, the fixing ring is adjacent to the side wall of the second ring groove near the lamp holder, and the lamp holder is arranged axially through There are a plurality of second through holes, and the screws pass through the second through holes to be threadedly engaged with the first through holes.

It can be seen from the above that by setting the fixing ring in the ring groove of the lampshade, the lampshade can be firmly fixed on the lamp holder by passing the screw through the lamp holder and the fixing ring, which not only has a simple structure but also effectively improves the rigidity 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 a cross-sectional view of the top cover and the sealing ring in the first embodiment of the lamp holder of the street lamp of the present invention.

Fig. 4 is a cross-sectional view of the first embodiment of the lamp holder of the street lamp of the present invention.

Fig. 5 is a cross-sectional view of 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 ways

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 lamp holder 4 , a lampshade 3 , a top cover 2 and a protective cover 6 , a sealing ring 5 is arranged between the top cover 2 and the lampshade 3 , and a sealing ring 41 is arranged between the lampshade 3 and the lampshade 4 .

Referring to FIG. 3 , FIG. 3 is a cross-sectional view of the top cover 2 and the sealing ring 5 . A radiator is arranged on the outward end surface of the top cover 2 , and the radiator is arranged radially. A through hole 22 is provided in the middle of the top cover 2 , and an annular groove 23 is provided on the top cover 2 outside the through hole 22 . The top cover 2 is provided with an annular groove 21 on the end surface facing the lampshade 3, the annular groove 21 is arranged on the outer side of the top cover 2, and the opening of the annular groove 21 is arranged facing the lampshade.

The sealing ring 5 is arranged to extend in the circumferential direction, and the sealing ring 5 is made of elastic material. The sealing ring includes a base portion 51 , a positioning portion 52 and a sealing portion 53 . It can be seen from the cross-section of the sealing ring 5 in the figure that the base 51 is located in the middle, the positioning portion 52 is located below the base 51, the sealing portion 53 is located above the base 51, and the positioning portion 52 is a protrusion set from the base 51. The base 51 Steps are formed between the positioning portion 52 and distributed on both sides of the positioning portion 52 . The sealing portion 53 is a bulge upwardly disposed from the base portion 51 , and the end surface of the sealing portion 53 facing the lampshade 2 is provided with a convex arc surface.

Referring to FIG. 4 , FIG. 4 is a cross-sectional view of the lamp cap 1 of the street lamp. The middle part of the spherical lampshade 3 forms an accommodating cavity, and a reflector 31 is installed in the accommodating cavity of the lampshade 3. The reflector 31 is arranged in a conical shape with open upper and lower ends. The outer surface of the reflective member 31 is coated with reflective material, and the reflective member 31 is provided with a hollow cavity along the axial direction.

The fixed end of the lamp holder 4 is used for fixed connection with the light pole, the lampshade 3 is installed above the lamp holder 4, the lampshade 3 is made of light-transmitting material, the top cover 4 is installed above the lampshade 3, and the protective cover 6 is arranged on the top On the position of the upper middle part of the cover 4.

The lamp holder 4 is arranged in a cup shape, and a concave cavity is formed in the middle of the lamp holder 4 , and a power supply assembly 44 , a fixing frame 43 and a tension rod 32 are installed in the cavity. A ring groove 42 is provided on the lamp holder 4 , and the ring groove 42 is located at the outermost position of the lamp holder 4 . At the end of the lampshade 3 facing the lamp holder 4, there is a protruding ring 33 extending in the circumferential direction. The protruding ring 33 is arranged in the ring groove 42, and a sealing ring 41 is provided in the space between the ring groove 42 and the protruding ring 33 with an interference fit. .

The fixing frame 43 is arranged in an arc shape, the fixing frame 43 is fixedly connected with the lamp holder 4, the power supply assembly 44 is arranged in the middle part of the fixing frame 43 and is fixedly connected with the lamp holder 4, and the middle part of the fixing frame 43 is provided with a The positioning hole of the internal thread, after the tension rod 7 passes through the fixed top cover 2 and the reflector 31, the first end of the tension rod 32 is fixedly connected with the positioning hole of the fixing frame 43 through thread fit.

The lamp holder 4 is provided with a plurality of positioning posts extending in the axial direction, and the plurality of positioning posts are evenly distributed in the circumferential direction of the lamp holder 4 , and installation holes are arranged in each of the positioning posts. The positioning hole provided at the end of the reflective member 31 is arranged above the mounting hole of the positioning post of the lamp holder, and is fixedly installed in the mounting hole of the positioning post of the lamp holder through the positioning hole of the reflective member 31 through screws, and then the reflective member 31 is realized. Fixed connection with lamp holder 4.

The protective cover 6 is provided with a connecting portion 61 in the middle, and the connecting portion 61 is a blind hole arranged in the protective cover 6. An internal thread is provided on the inner wall of the blind hole, and the second end of the tension rod 32 is threadedly engaged with the connecting portion 61. Fixed connection. The protective cover 6 is provided with a sealing portion 62 along the circumferential direction outside the connecting portion 61, and the top cover 2 is provided with an annular groove 63 at a position adjacent to the sealing portion 62. After the protective cover 6 is installed on the top cover 2, the sealing portion 62 and the The top cover 2 is adjacent to each other, and a sealing ring is provided at a position between the sealing portion 62 and the ring groove 62 in an interference fit manner.

The top cover 2 is provided with LED chips on the bottom surface facing the lampshade 3 . The positioning part 52 of the sealing ring 5 is arranged in the ring groove 21, the base part 51 is adjacent to the end face of the ring groove 21, and the sealing part 53 is adjacent to the end of the lampshade 3 close to the top cover 2. Since the tension rod 32 passes through the top cover 2, reflection The component 31 and the lampshade 3 are fixedly connected with the lamp holder 4 by the fixing frame 43, so the sealing part 53 and the lampshade 3 will be in an interference fit.

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

Referring to FIG. 5 , FIG. 5 is a cross-sectional view of the lamp cap 7 of the street lamp. The lamp cap 7 of the street lamp includes a lamp holder 72, a lampshade 71, a fixing ring 74, a sealing ring 77 and a light-emitting LED chip 78. The sealing ring 77 adopts the sealing ring with the same structure as the above-mentioned embodiment, and the fixed end of the lamp holder 72 is used for fixed connection with the light pole. , The lampshade 71 is installed above the lamp holder 72 .

The middle part of the spherical lampshade 71 forms an accommodating cavity, and an annular groove 73 is arranged on the end of the lampshade 3 close to the lamp holder 2. The annular groove 73 extends along the circumferential direction of the lampshade 3, and the opening of the annular groove 73 faces radially outward. It is provided that the annular groove 73 includes an outer sidewall disposed close to the lamp socket 72 .

The fixed ring 4 is a sheet-like structure extending in the circumferential direction. The fixed ring 4 is provided with a plurality of through holes in the axial direction, and the through holes are evenly distributed in the circumferential direction, and internal threads are provided in the through holes. The lamp holder 72 is arranged in a cup shape, and a concave cavity is formed in the middle of the lamp holder 72 . The lamp holder 72 is provided with a plurality of through holes corresponding to the through holes of the fixing ring 4 along the axial direction. The lamp holder 72 is also provided with an annular groove 76 along the circumferential direction. The annular groove 76 is located inside the through hole of the lamp holder 72 , and the opening of the annular groove 76 is arranged axially toward the lampshade 71 .

When assembling the lamp cap 7 of the street lamp, the light-emitting LED chip 78 is first installed on the corresponding position of the lamp holder 72 , and then the fixing ring 74 is installed in the ring groove 73 . Then install the sealing ring 77 on the ring groove 76 , when installing the sealing ring 77 , the positioning part of the sealing ring 77 is set in the ring groove 76 , and the base of the sealing ring 77 is adjacent to the end surface of the ring groove 76 . The lampshade 71 fitted with the fixing ring 74 is then mounted on the lamp socket 72 . Specifically, the outer wall of the outer wall of the annular groove 73 is adjacent to the sealing portion of the sealing ring 77, and the screw 75 passes through the through hole of the lamp holder 72 and is fixedly matched with the through hole of the fixing ring 74, so that the fixing ring 74 is in contact with the outer side of the ring groove 73. The walls are adjacent, and the sealing ring 77 is adjacent to the lampshade 71 , so that the lamp holder 72 , the sealing ring 77 and the lampshade 71 are tightly and fixedly connected.

It can be seen from the above that in order to improve the waterproof performance of street lamps, a ring groove can be set on the top cover or lamp holder, and a raised positioning part is set on the sealing ring to cooperate with the ring groove, which is convenient for the installation and positioning of the sealing ring, so that the sealing ring When the lampshade and the top cover are matched, it is not easy to move, and the installation is convenient, and at the same time, the waterproof performance of the lampshade can be effectively improved, and the service life of the street lamp can be extended.

Claims (9)

1. road lamp cap, comprises

Lamp socket, is provided with power supply module in described lamp socket;

Lampshade, described lampshade is arranged on described lamp socket;

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

It is characterized in that:

Described top cover circumferentially offers the first annular groove, the opening of described first annular groove is arranged towards described lampshade, described road lamp cap also comprises the first sealing ring circumferentially, described first sealing ring comprises base portion, location division and sealing, described location division and described sealing are separately positioned on the both sides of described base portion, described location division is arranged in described first annular groove, the end surfaces of described base portion and described first annular groove, and described sealing and described lampshade adjoin.

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

Described location division is the projection extended from described base portion.

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

Described first sealing ring is made by elastomeric material.

4. the road lamp cap according to any one of claims 1 to 3, is characterized in that:

Described road lamp cap also comprises

Reflecting component, described reflecting component is arranged in described lampshade;

LED chip, described LED chip to be arranged in described lampshade and to be fixed on described top cover;

Stayed mast, described stayed mast is through described reflecting component, and the first end of described stayed mast is fixedly connected with described lamp socket, and the second end of described stayed mast is fixedly connected with described top cover.

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

Described lampshade is provided with bulge loop in the end near described lamp socket;

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

6. road lamp cap, comprises

Lamp socket, described lamp socket is provided with lampshade;

LED chip, described LED chip to be arranged in described lampshade and to be fixed on described lamp socket;

It is characterized in that:

Described lamp socket circumferentially offers the first annular groove, the opening of described first annular groove is arranged towards described lampshade, described road lamp cap also comprises sealing ring circumferentially, described sealing ring comprises base portion, location division and sealing, described location division and described sealing are separately positioned on the both sides of described base portion, described location division is arranged in described first annular groove, the end surfaces of described base portion and described first annular groove, and described sealing and described lampshade adjoin.

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

Described location division is the projection extended from described base portion.

8. road lamp cap according to claim 7, is characterized in that:

Described sealing ring is made by elastomeric material.

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

Described road lamp cap also comprises retainer ring, and described retainer ring is circumferentially arranged, and described retainer ring is penetratingly provided with multiple first through hole vertically;

Described lampshade circumferentially offers the second annular groove towards the end of described lamp socket, and the opening of described second annular groove is radially arranged outwardly, and described retainer ring is arranged in the second annular groove, and described retainer ring and described second annular groove are near the adjacent sidewalls of described lamp socket;

Described lamp socket is penetratingly provided with multiple second through hole vertically, and screw coordinates with described first through hole whorl through described second through hole.