Waterproof structure of underground marker lamp

Abstract

A waterproof structure of an underground marker lamp is characterized in that the waterproof structure of the underground marker lamp is characterized by comprising a shell made of plastic and provided with an opening part and an assembly edge formed by surrounding the opening part, and the assembly edge is provided with a waterproof groove; the light-transmitting part is made of plastic and covers the opening part and the assembling edge, the bottom of the light-transmitting part is provided with a waterproof part protruding towards the direction of the shell, and the waterproof part is arranged in the waterproof groove; the panel is arranged above the light transmitting part; wherein the waterproof part is connected with the waterproof groove through an ultrasonic bonding process. The waterproof groove is formed in the assembly edge, and the waterproof part is arranged on the light-transmitting piece, so that the gluing step in the traditional process is omitted, the product assembly time is shortened, and the cost is saved; the waterproof part is connected with the waterproof groove through the ultrasonic bonding technology, the waterproof effect is extremely good, the shell and the light-transmitting piece can be bonded to each other, and the shell and the light-transmitting piece are extremely firm after being assembled and cannot be separated from each other.

Description

Technical Field

[0001] This utility model relates to the field of emergency lighting technology, and in particular to a waterproof structure for an underground marker light. Background Technology

[0002] According to fire safety requirements, fire emergency sign lights are required to be installed in or near public buildings for fire emergency evacuation guidance. One type of existing fire emergency sign light is the in-ground sign light. Because in-ground sign lights are installed on the ground, the ground is frequently exposed to liquids such as cleaning water; therefore, national standards require that in-ground sign lights must be waterproof. Existing in-ground sign lights consist of a metal cover, sign components, a light-transmitting plate, and a housing. The light-transmitting plate is assembled inside the opening of the housing, and sealant is filled at the edges or bottom of the light-transmitting plate to achieve a waterproof effect. This structure involves many steps and requires waiting for the sealant to cool before further assembly, resulting in excessively high product costs. Furthermore, this structure causes the metal cover and housing to be in contact without a waterproof structure between them, allowing moisture to accumulate in the gaps, leading to mold growth and affecting the lifespan of the housing. Utility Model Content

[0003] The purpose of this utility model is to provide a waterproof structure for an underground marker light that is simple in structure, low in cost, and has good waterproof effect.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a waterproof structure for an underground marker light, comprising:

[0005] The housing is made of plastic and has an opening and an assembly edge formed around the opening, the assembly edge having a waterproof groove.

[0006] A light-transmitting component, made of plastic, covers the opening and the assembly edge. The bottom of the light-transmitting component has a waterproof part that protrudes towards the housing, and the waterproof part is disposed in the waterproof groove.

[0007] A panel is positioned above the light-transmitting element;

[0008] The waterproof part is connected to the waterproof groove by an ultrasonic bonding process.

[0009] Preferably, the height of the waterproof section is greater than the height of the waterproof groove before the housing and the light-transmitting element are assembled.

[0010] Preferably, the bottom of the waterproof part is provided with a melting part, which is melted by an ultrasonic bonding process and then bonded to the waterproof groove.

[0011] Preferably, the melting portion is a pointed tip that tapers inward at an acute angle.

[0012] Preferably, the waterproof groove is provided with an adhesive storage section, which is connected to the assembly edge.

[0013] Preferably, the melting part is formed by the flow of the melted material after being melted by the ultrasonic bonding process and disposed within the adhesive storage part.

[0014] Preferably, the light-transmitting element has a water-blocking edge extending toward the housing, and the assembly edge is located within the area covered by the water-blocking edge.

[0015] Preferably, the outer side of the housing is provided with an assembly surface, the assembly surface and the outer side of the housing form a stepped shape, the radius of the assembly surface is smaller than the radius of the outer side of the housing, and the water-blocking edge covers the assembly surface.

[0016] Preferably, the assembly edge is provided with an assembly hole, and the waterproof groove is disposed between the opening and the assembly hole.

[0017] Preferably, the light-transmitting component includes a frame and an arrow component disposed within the frame. The arrow component is made of light-transmitting / light-guiding plastic, the frame is made of opaque plastic, the light-transmitting component is manufactured by a two-color injection molding process, and the waterproof part is disposed below the frame.

[0018] The waterproof structure of the buried marker light provided by this utility model can produce the following beneficial effects: (1) By setting a waterproof groove on the assembly side of the shell and setting a waterproof part on the light-transmitting part, the glue application step in the traditional process is eliminated, the product assembly steps are reduced, the product assembly time is accelerated, and the cost is saved; (2) The waterproof part is connected to the waterproof groove by ultrasonic bonding process, which has excellent waterproof effect and can better bond the shell and the light-transmitting part together. After assembly, it is extremely firm and cannot be separated from each other. Attached Figure Description

[0019] Figure 1 This is a perspective view of the present invention.

[0020] Figure 2 yes Figure 1 Sectional view of AA.

[0021] Figure 3 This is an exploded perspective view of the present invention.

[0022] Figure 4 This is a perspective view of the panel and the light-transmitting component after they have been separated in this utility model.

[0023] Figure 5 This is a magnified view of a portion of the back of the light-transmitting component.

[0024] 1-Shell; 11-Opening; 12-Assembly edge; 13-Assembly surface; 14-Assembly hole; 2-Waterproof groove; 21-Glue storage part; 3-Light-transmitting part; 31-Waterproof part; 32-Melting part; 33-Waterproof edge; 34-Fitting surface; 35-Frame; 36-Arrow part; 4-Panel. Detailed Implementation

[0025] The technical solution of this utility model will be further described below with reference to specific embodiments.

[0026] like Figures 1 to 5 As shown, a waterproof structure for an underground marker light includes a housing 1 made of plastic, with an opening 11 and an assembly edge 12 surrounding the opening 11, the assembly edge 12 having a waterproof groove 2; a light-transmitting element 3 made of plastic, covering the opening 11 and the assembly edge 12, the bottom of the light-transmitting element 3 having a waterproof portion 31 protruding towards the housing 1, the waterproof portion 31 being disposed within the waterproof groove 2; and a panel 4 disposed above the light-transmitting element 3; wherein the waterproof portion 31 is connected to the waterproof groove 2 by an ultrasonic bonding process. By providing the waterproof groove 2 on the assembly edge 12 of the housing 1 and the waterproof portion 31 on the light-transmitting element 3, the traditional glue application step is eliminated, reducing product assembly steps, speeding up product assembly time, and saving costs; the waterproof portion 31 is connected to the waterproof groove 2 by an ultrasonic bonding process, resulting in excellent waterproof performance and better bonding of the housing 1 and the light-transmitting element 3 together, making the assembled unit extremely strong and unable to detach.

[0027] To ensure that the bottom surface of the light-transmitting element 3 and the assembly edge 12 fit tightly together after assembly, the height of the waterproof part 31 is greater than the height of the waterproof groove 2 before the housing 1 and the light-transmitting element 3 are assembled. The bottom of the waterproof part 31 is provided with a melting part 32 and a bonding surface 34. The melting part 32 is melted into the waterproof groove 2 by ultrasonic bonding process. The bonding surface 32 is in contact with the bottom surface of the waterproof groove 2. After melting, the melting part 32 acts as a liquid with adhesive function to bond the waterproof groove 2 and the waterproof part 31 together. The melting part 32 is a pointed tip that narrows inward at an acute angle. This structure can prevent the melting part 32 from breaking under stress during the ultrasonic bonding process.

[0028] After the melting part 32 melts, it bonds the waterproof groove 2 and the waterproof part 31 together. In order to prevent the melting part 32 from overflowing from the waterproof groove 2 and entering the interior of the housing 1, which would affect the use of the lamp or reduce the waterproof performance of the lamp, the waterproof groove 2 is provided with a glue storage part 21. The glue storage part 21 is connected to the assembly edge 12. After the melting part 32 is melted by ultrasonic bonding process, the side of the waterproof groove 2 and the side of the waterproof part 31 are bonded to each other. If the melting part 32 overflows after melting, it will flow into and be placed in the glue storage part 21.

[0029] The light-transmitting element 3 is provided with a water-blocking edge 33 extending towards the housing 1, and the assembly edge 12 is located within the area covered by the water-blocking edge 33. Since the underground marker light is installed on the ground, most of the water seeps in from above the light fixture. The water-blocking edge 33 can guide the water to flow directly to the bottom of the light fixture, effectively preventing water from entering the gap between the light-transmitting element 3 and the housing 1. The outer side of the housing 1 is provided with an assembly surface 13, which forms a stepped shape with the outer side of the housing 1. The radius of the assembly surface 13 is smaller than the radius of the outer side of the housing 1. The water-blocking edge 33 covers the assembly surface 13. This structure makes the light fixture more aesthetically pleasing.

[0030] The assembly edge 12 is provided with an assembly hole 14, and the waterproof groove 2 is disposed between the opening 11 and the assembly hole 14; this structure can prevent water vapor from seeping into the lamp body through the assembly hole 14.

[0031] The light-transmitting component 3 includes a frame 35 and an arrow component 36 disposed within the frame 35. The arrow component 36 is made of light-transmitting / light-guiding plastic, while the frame 35 is made of opaque plastic. The light-transmitting component 3 is manufactured using a two-color injection molding process. The waterproof part 31 is disposed below the frame 35. This structure strengthens the overall structure of the product, making the lamp body more robust and sturdy, with lower cost and better waterproof performance.

[0032] While specific embodiments of this utility model have been described above, those skilled in the art should understand that these are merely illustrative examples, and the scope of protection of this utility model is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of this utility model, but all such changes and modifications fall within the scope of protection of this utility model.

Claims

1. A waterproof structure for an underground marker light, characterized in that, include: The housing is made of plastic and has an opening and an assembly edge formed around the opening, the assembly edge having a waterproof groove. A light-transmitting component, made of plastic, covers the opening and the assembly edge. The bottom of the light-transmitting component has a waterproof part that protrudes towards the housing, and the waterproof part is disposed in the waterproof groove. A panel is positioned above the light-transmitting element; The waterproof part is connected to the waterproof groove by an ultrasonic bonding process.

2. The waterproof structure of an underground marker light according to claim 1, characterized in that, Before the housing and the light-transmitting element are assembled, the height of the waterproof part is greater than the height of the waterproof groove.

3. The waterproof structure of an underground marker light according to claim 2, characterized in that, The bottom of the waterproof part is provided with a melting part, which is then melted by an ultrasonic bonding process and bonded to the waterproof groove.

4. The waterproof structure of an underground marker light according to claim 3, characterized in that, The melting part is a pointed tip that narrows inward at an acute angle.

5. The waterproof structure of an underground marker light according to claim 3, characterized in that, The waterproof groove is provided with a glue storage section, which is connected to the assembly edge.

6. The waterproof structure of an underground marker light according to claim 5, characterized in that, The melting part is formed by the flow of the melted material through the ultrasonic bonding process and is placed in the adhesive storage part.

7. The waterproof structure of an underground marker light according to claim 1, characterized in that, The light-transmitting element has a water-blocking edge extending towards the housing, and the assembly edge is located within the area covered by the water-blocking edge.

8. The waterproof structure of an underground marker light according to claim 7, characterized in that, The outer side of the shell is provided with an assembly surface, which forms a stepped shape with the outer side of the shell. The radius of the assembly surface is smaller than the radius of the outer side of the shell, and the water-blocking edge covers the assembly surface.

9. The waterproof structure of an underground marker light according to claim 1, characterized in that, The assembly edge is provided with an assembly hole, and the waterproof groove is disposed between the opening and the assembly hole.

10. The waterproof structure of an underground marker light according to claim 1, characterized in that, The light-transmitting component includes a frame and an arrow component disposed within the frame. The arrow component is made of light-transmitting / light-guiding plastic, while the frame is made of opaque plastic. The light-transmitting component is manufactured using a two-color injection molding process, and the waterproof part is disposed below the frame.

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