CN210373053U

CN210373053U - LED tunnel lamp

Info

Publication number: CN210373053U
Application number: CN201921470325.0U
Authority: CN
Inventors: 曹晓云; 邓江南
Original assignee: Xiamen Xindeco Optoelectronics Co ltd
Current assignee: Xiamen Xindeco Optoelectronics Co ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-04-21
Anticipated expiration: 2029-09-05

Abstract

The utility model relates to a LED tunnel lamp, included main body cover, be located the end cover at main body cover both ends, be located the non-light tight guard plate of main body cover light-emitting port department to and be located the lighting unit of cylinder shell, main body cover includes a bottom plate and is located the curb plate on this bottom plate length direction both sides, and the upper end of curb plate has a loading end that is used for supporting the guard plate, and the week of guard plate is followed the cover and is equipped with a cross-section and be the sealing washer of U-shaped, and this guard plate length direction's both sides are fixed on main body cover by a side casting die respectively to compress tightly the sealing washer on the loading end and realize the sealed between guard plate and the main body shell, realize sealing between the two through the sealing member between end cover and the main body shell to solve the.

Description

LED tunnel lamp

Technical Field

The utility model relates to the field of lighting, specifically relate to a LED tunnel lamp.

Background

The tunnel lamp is mainly used for illumination of places such as roads, railways, subways and drainage pipelines, and the tunnel lamp is in a special application environment, so that the tunnel lamp needs to have a certain IP protection level to prevent external water vapor and dust from entering the tunnel lamp to influence an internal electrical system of the tunnel lamp.

The sealing of the prior tunnel lamp is generally that a sealing groove is arranged on the periphery of a lamp body shell, a sealing ring is arranged in the sealing groove, a protective glass plate is covered by a side frame and is locked on the lamp body shell, and the sealing ring is extruded by the protective glass plate during locking, so that the sealing of the lamp body is realized. In addition, the sealing ring of the sealing mode needs to be manufactured by integrally molding through a specific mold and can only be adapted to the lamp bodies with the same size, so that the application range is small.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a LED tunnel lamp to solve the problem that the sealed grade of current tunnel lamp is low.

The specific scheme is as follows:

the utility model provides a LED tunnel lamp, has included the main part shell, is located the both ends lid at main part shell both ends, is located the non-light tight guard plate of main part shell light-emitting port department to and be located the lighting unit of cylinder shell, the main part shell includes a bottom plate and is located the curb plate on this bottom plate length direction both sides, and the upper end of curb plate has a loading end that is used for supporting the guard plate, and the week of guard plate is followed the cover and is equipped with a cross-section and be the sealing washer of U-shaped, and the both sides of this guard plate length direction are fixed on the main part shell by a casting die respectively to compress tightly the sealing washer on the loading end and realize the sealing between guard plate and the main part shell, the end cover.

Preferably, the side pressing piece comprises a first end extending into the peripheral edge of the protection plate, a second end arranged opposite to the first end, and a side edge connecting the first end and the second end, the free end of the second end is provided with an extending part deviating from the bearing surface, the second end of the side pressing piece is provided with a plurality of screw holes distributed along the length direction of the side pressing piece, the outer side of the side plate is provided with a fixing groove extending along the length direction of the side plate, the opening of the fixing groove faces the bearing surface, when the side pressing piece is fixed on the main body shell, the extending part of the side pressing piece is positioned in the fixing groove, and the first end of the side pressing piece extends to the upper part of the peripheral edge of the protection plate.

Preferably, the back of the bearing surface is provided with a groove extending along the length direction of the main body shell, and an opening of the groove is opposite to the screw hole on the second end.

Preferably, the end cover is provided with a supporting part extending into the main body shell, two ends of the protection plate in the length direction are respectively supported on the supporting parts of the two end covers, and the sealing ring on the protection plate is tightly attached to the sealing part on the end cover.

Preferably, the sealing ring is formed by splicing a plurality of sealing strips with U-shaped sections diagonally.

Preferably, a plurality of substrates are arranged on the bottom plate of the main body shell at intervals, a boss is arranged between every two adjacent substrates on the bottom plate, at least one pressing strip is fixedly arranged on the boss, and the two opposite sides of each pressing strip are provided with side wing parts which extend towards the direction of the bottom plate and are abutted against the edges of the substrates.

Preferably, the boss is provided with a convex groove extending along the length direction of the substrate, and the pressing strip is fixed on the boss through a bolt and a nut which are matched with each other.

Preferably, the nut is a hand nut.

The utility model provides a LED tunnel lamp compares with prior art and has following advantage: the utility model provides a cross-section is established along the cover around the guard plate of LED tunnel lamp and is the sealing washer of U, then the side casting die is fixed in the guard plate on main body cover's the loading end, make the relative loading end relative movement of first end of side casting die and compress tightly the up end of sealing washer, and make simultaneously also compressing tightly between terminal surface and the loading end under the sealing washer, thereby realize the sealed between guard plate and the main body cover, and the end cover then realizes through the sealing member and main body cover between sealed, for current sealing method, this sealing method is simpler, and sealed effect is also better, can realize IP 66's sealed grade.

Drawings

Fig. 1 shows a cross-sectional view in the width direction of the tunnel lamp in embodiment 1.

Fig. 2 shows a cross-sectional view of the tunnel lamp in embodiment 1 in the longitudinal direction.

Fig. 3 shows an enlarged view at B in fig. 2.

Fig. 4 shows an enlarged view at a in fig. 1.

FIG. 5 is a sectional view showing a side member in example 1.

Fig. 6 shows a schematic view of a seal ring in example 1.

Fig. 7 shows a cross-sectional view in the width direction of the tunnel lamp in embodiment 2.

Fig. 8 shows an enlarged view at C in fig. 7.

Fig. 9 shows a schematic view of the molding in embodiment 2.

Detailed Description

To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

The present invention will now be further described with reference to the accompanying drawings and detailed description.

Example 1

As shown in fig. 1 to 6, the present embodiment provides an LED tunnel lamp including a main body housing 1, two end caps 2, a light-transmitting shielding plate 3, and an illumination unit 4. The main body case 1 includes a bottom plate 10 and side plates 11 located on both sides of the bottom plate 10 in the length direction, and the cross section of the main body case 1 formed by the bottom plate 10 and the two side plates 11 is substantially flat-bottomed U-shaped. Two end covers 2 positioned at two ends of the width of the main body shell 1, a protection plate 3 positioned at an opening at the upper part of the main body shell 1 and the main body shell 1 form a closed cavity, and the lighting unit 4 comprises a substrate 40 and a plurality of LED lamp beads 41 attached to the substrate 40. The shielding plate 3 in this embodiment is a glass plate.

Wherein, the end cover 2 and the main body shell 1 are sealed by a sealing piece 5. And the sealing between the shielding plate 3 and the main body housing 1 is accomplished by the following structure. Specifically, the upper end of the side plate 11 has a bearing surface 110 for supporting the protection plate 3, the periphery of the protection plate 3 is sleeved with a sealing ring 6 having a U-shaped cross section, and two sides of the protection plate 3 in the length direction are respectively fixed on the main body case 1 by a pressing member 7.

The lateral pressing member 7 is substantially U-shaped in cross section and comprises a first end 70 extending into the perimeter of the protection plate 3, a second end 71 arranged opposite to the first end 70 and a lateral edge 72 connecting the first end 70 and the second end 71, and the free end of the second end 71 has an extension 710 arranged away from the bearing surface 110. The side plate 11 of the main body case 1 has a fixing groove 111 extending along a longitudinal direction thereof on an outer side thereof, and an opening of the fixing groove 111 is disposed toward the carrying surface 110. The second end 71 of the side pressing member 7 is located on the outer side of the side plate 11 of the main body case 1, the extending portion 710 is located in the fixing groove 111, the first end 70 of the side pressing member 7 extends to the upper side of the peripheral edge of the protection plate 3, and the second end 71 of the side pressing member 7 is provided with a plurality of screw holes 711 arranged along the length direction thereof.

During installation, the front end of the bolt screwed into the screw hole 711 abuts against the back surface of the bearing surface 110, and with the screwing of the bolt, the first end 70 of the side pressing member 7 moves relatively to the bearing surface 110 to press the upper end surface of the sealing ring 6, and simultaneously, the lower end surface of the sealing ring 6 is also pressed against the bearing surface 110, so that the protection plate 3 and the main body shell 1 are sealed. The sealing between the main body casing 1 and the protection plate 3 is realized by pressing the sealing ring 6 through the side pressing piece 7, compared with the existing sealing mode, the sealing method in the embodiment is simpler, the sealing effect is better, and the sealing grade of IP66 can be realized.

As a preferred embodiment of this embodiment, the back surface of the bearing surface 110 has a groove 111 extending along the length direction of the main body housing 1, the opening of the groove 111 is disposed opposite to the screw hole 711 on the second end 71 of the side pressing member 7, when the side pressing member 7 is locked on the main body housing 1 by the bolt, the screw of the bolt extends into the groove 111 and slides in the width direction of the main body housing 1, so as to ensure that when the bolt is locked, the first end 70 of the side pressing member 7 is pressed against the sealing ring 6, so as to avoid the sealing effect from being affected by the inclination of a certain angle when the side pressing member 7 is fixed.

As a preferred embodiment of this embodiment, referring to fig. 2 and 3, the end cap 2 has a support plate 20 extending into the main body housing 1, two ends of the protection plate 3 in the length direction are respectively supported on the support plates 20 of the two end caps, and the sealing ring 6 on the protection plate 3 is tightly attached to the sealing member 5 on the end cap 2, so as to achieve flexible and flexible contact between the sealing ring 6 and the sealing member 5, and further improve the sealing performance between the end cap 2 and the main body housing 1. During installation, the protection plate 3 provided with the sealing ring 6 is placed on the bearing surface 110, the end cover 2 is fixed on the main body shell 1, two ends of the main body shell 1 are sealed, and the side pressing pieces 7 on two side surfaces are locked to ensure the sealing between the protection plate 3 and the main body shell 1.

As a preferred embodiment of this embodiment, the sealing ring 6 can be made by first using a U-shaped sealing strip made by extrusion molding, and using this method can make a sealing strip of any length and size, and then splicing the sealing strip into a sealing ring of a desired size by diagonal splicing (the splicing part is adhered by glue) as shown in fig. 6, so that a sealing ring of any size can be made without opening the mold according to the size of the actual lamp body, and the cost can be greatly saved.

Example 2

As shown in fig. 7-9, this embodiment also provides an LED tunnel lamp, which has substantially the same structure as the LED tunnel lamp in embodiment 1, and the difference is that a bottom plate 10 of the main body casing 1 has a plurality of spaced substrates 40, each substrate 40 is attached with a plurality of LED beads 41, a boss 101 is disposed between every two adjacent substrates 40 of the bottom plate 10, at least one pressing strip 8 is fixedly disposed on the boss 101, side wing portions 80 extending toward the bottom plate 10 and abutting against the edges of the substrates 40 are disposed on opposite sides of the pressing strip 8, and the side wing portions 80 press the substrates 40 against the bottom plate 10, so that the substrates 40 and the bottom plate 10 are in close contact, and the heat dissipation capability of the LED beads 41 on the substrates 40 is improved.

As a preferred embodiment of this embodiment, a convex groove 102 is formed on the boss 101 and extends along the length direction of the substrate 40, a bolt or a nut is installed in the groove 102, and then the bead 8 is fixed on the boss 101 by the bolt and the nut which are arranged in a mutually matching manner. In this embodiment, a bolt 90 is installed in the groove 102, the nut of the bolt is located in the groove 102 without falling off, the bead 8 has a through hole 81 for the bolt 90 to pass through, and then the nut 91 is screwed by hand and fixed on the boss 101, so as to facilitate the installation and the disassembly of the bead 8.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a LED tunnel lamp, has included main body cover, the end cover that is located the main body cover both ends, is located the non-light tight guard plate of main body cover light-emitting port department to and be located the lighting unit of cylinder shell, its characterized in that: the main body shell comprises a bottom plate and side plates located on two sides of the bottom plate in the length direction, a bearing surface used for supporting a protection plate is arranged at the upper end of each side plate, a sealing ring with a U-shaped cross section is sleeved on the periphery of the protection plate, the two sides of the protection plate in the length direction are fixed on the main body shell through a pressing piece, the sealing ring is pressed on the bearing surface to realize sealing between the protection plate and the main body shell, and sealing between the end cover and the main body shell is realized through a sealing piece.

2. The LED tunnel lamp of claim 1, wherein: the side pressing piece comprises a first end extending into the peripheral edge of the protection plate, a second end arranged opposite to the first end and a side edge connected with the first end and the second end, the free end of the second end is provided with an extending portion arranged away from the bearing surface, the second end of the side pressing piece is provided with a plurality of screw holes arranged along the length direction of the side pressing piece, the outer side of the side plate is provided with a fixing groove extending along the length direction of the side plate, an opening of the fixing groove is arranged towards the bearing surface, when the side pressing piece is fixed on the main body shell, the extending portion of the side pressing piece is located in the fixing groove, and the first end of the side pressing piece extends to the upper portion of the peripheral edge of.

3. The LED tunnel lamp of claim 2, wherein: the back of the bearing surface is provided with a groove which extends along the length direction of the main body shell, and the opening of the groove is opposite to the screw hole on the second end.

4. The LED tunnel lamp of claim 2, wherein: the end cover is provided with a supporting part extending into the main body shell, two ends of the protection plate in the length direction are respectively supported on the supporting parts of the two end covers, and the sealing ring on the protection plate is tightly attached to the sealing part on the end cover.

5. The LED tunnel lamp of claim 1, wherein: the sealing ring is formed by splicing a plurality of sealing strips with U-shaped sections at opposite angles.

6. The LED tunnel lamp of claim 1, wherein: the base plate of main part shell has laid the base plate that the polylith interval set up on the bottom plate, and the bottom plate all is provided with a boss between every two adjacent base plates, has set firmly an at least layering on this boss, have the flank portion that extends toward the bottom plate direction and offsets with the edge of base plate on the relative both sides of layering.

7. The LED tunnel lamp of claim 6, wherein: the boss is provided with a convex groove extending along the length direction of the substrate, and the pressing strip is fixed on the boss through a bolt and a nut which are matched with each other.

8. The LED tunnel lamp of claim 7, wherein: the nut is a hand-screwed nut.