Simple marker lamp

Abstract

The utility model discloses a simple marker lamp which is characterized by comprising a lamp body provided with a plate placing piece and a light guide piece. The plate placing piece is provided with a cavity which is sunken inwards; the light guide piece is provided with a display part; the light source assembly is arranged in the cavity and is optically connected with the display part; the plate placing piece is formed by light-proof plastic in an injection molding mode, and the light guide piece is formed by plastic with light guide performance in an injection molding mode. The plate placing piece is formed by injection molding of light-proof plastic, the light guide piece is formed by injection molding of plastic with light guide performance, and the light-proof plastic material is low in price, so that the product cost is effectively reduced.

Description

Technical Field

[0001] The utility model relates to the field of emergency lighting equipment, in particular to a simple sign lamp. Background Art

[0002] Fire emergency lights are a guarantee for safety emergencies in public places and a mandatory measure for public fire protection. They have a wide range of uses and a relatively complex layout environment. Among them, fire emergency sign lamps are usually installed in fire escape passages. When power outages, fire alarms, etc. occur, they can realize emergency escape guidance functions.

[0003] In fire emergency sign lamps, the lamp body of the ultra-thin sign lamp is a simple design, and the light guide plate can transmit the light energy of the LED light source to the direction arrow, the human figure running and other sign display areas to a large extent in the entire lamp, so it is used in the ultra-thin sign lamp; there is a sheet lamp (authorization number: CN215001207U), the whole lamp body is made of plastic with light-conducting properties, and a cavity is provided above the lamp body to place the light source board, and the light on the light source board is used to light the lamp body, but the whole lamp is made of plastic with the same material as the light guide plate, and the price of plastic with light-conducting properties is extremely expensive, resulting in a high cost of the lamp; and in order to better transmit light, the lamp body must be transparent, resulting in the cavity of the lamp body being made of transparent materials. In order to prevent users from directly observing the circuit board and reduce the use experience, a label must be attached to the outside of the cavity, which leads to an increase in production cost; the sign lamp only needs to light up the arrow, the human figure running and other sign display areas, but because the entire lamp is made of plastic with light-conducting properties, the light is transmitted to the position where no light is needed, wasting light efficiency and resources. Utility Model Content

[0004] In order to solve the defects of the prior art, the purpose of the utility model is to provide a simple sign lamp with simple structure, low price and good light guiding performance.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a simple sign lamp, including a lamp body, provided with a plate and a light guide; the plate is provided with a cavity recessed inward; the light guide is provided with a display part; a light source assembly is arranged in the cavity and optically connected with the display part;

[0006] Wherein, the plate is formed by injection molding of opaque plastic, and the light guide is formed by injection molding of plastic with light guiding performance.

[0007] Preferably, the lamp body is made by a two-color injection molding process, or the plate component and the light guide component are connected to each other by a two-color injection molding process.

[0008] Preferably, the light guide member is provided with a light inlet portion, the light inlet portion is arranged in the direction from the display portion toward the plate member, the light inlet portion is optically connected to the display portion, the light inlet portion is formed by the display portion protruding toward the plate member, the length of the light inlet portion should be smaller than the length of the display portion, and the light inlet portion and the display portion are stepped.

[0009] Preferably, the placing plate is provided with a connecting portion, and the light inlet portion is connected to the cavity space / optically via the connecting portion.

[0010] Preferably, the connecting portion is a through hole extending from the surface of the plate to the cavity, and the contact portion between the light guide and the connecting portion is surrounded by a side wall of the connecting portion.

[0011] Preferably, the light source assembly includes an optical device and a circuit device, and a circuit board for carrying the optical device and the circuit device. The light inlet portion is a local hollow portion formed within the light guide, and the optical device is accommodated in the light inlet portion.

[0012] Preferably, the placing plate is provided with a frame extending toward the display portion, the display portion is arranged in the frame, and the frame is formed around the edge of the display portion.

[0013] Preferably, the display portion is provided with a logo pattern formed by laser printing / silk screen printing / adhesion, and the display portion is provided with a hollow first light-isolating portion according to the logo pattern.

[0014] Preferably, the placing plate is provided with a second light-isolating portion matched with the first light-isolating portion, the frame is formed around the edge of the display portion, and the second light-isolating portion is connected to the frame.

[0015] Preferably, the cavity is formed by a depression on the surface of the board component and an opening is formed on the surface of the board component, the circuit board has a first surface, the optical device and / or the circuit device are arranged on the first surface, the circuit board is also provided with a second surface, the second surface is opposite to the first surface, and a sealing body is provided in the cavity, the sealing body covers the second surface and / or the periphery of the opening.

[0016] Preferably, the thickness of the plate component is greater than the thickness of the light guide component, and the plate component is provided with a wire outlet groove, which is curved and connects the cavity and the outside of the plate component. The plate component is provided with two mounting holes, which are arranged at both ends of the cavity.

[0017] Compared with the prior art, the beneficial effects of the utility model are as follows: (1) the display plate is made of opaque plastic injection molding, and the light guide is made of plastic with light guiding properties injection molding. The price of opaque plastic material is relatively low, which effectively reduces the product cost; (2) The lamp body is formed by two-color injection molding, which is strong and firm and cannot fall off. The display plate and the light guide do not need to be assembled with each other, which speeds up the assembly steps and time and reduces costs; (3) The connecting part can further increase the connection area between the display plate and the light guide, greatly enhancing the firmness of the lamp body; (4) The frame can prevent the light irradiated to the display part from leaking outward, so that the light energy can be fully utilized, the light effect is better, and it is energy-saving and environmentally friendly. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a stereogram of the utility model.

[0019] Figure 2 It is an exploded three-dimensional view of the back side of the utility model.

[0020] Figure 3 It is a front exploded stereogram of the utility model.

[0021] Figure 4 yes Figure 1 AA cross-sectional view.

[0022] 1-plate; 11-cavity; 12-connecting part; 13-frame; 14-second light-isolating part; 15-opening; 16-wire outlet slot; 17-mounting hole; 2-light guide; 21-light inlet part; 3-display part; 31-logo pattern; 32-first light-isolating part; 4-light source assembly; 41-optical device; 42-circuit device; 43-circuit board; 431-first surface; 432-second surface. DETAILED DESCRIPTION

[0023] The technical solution of the present utility model is further described below in conjunction with specific embodiments.

[0024] like Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the utility model provides a simple marker lamp, including a lamp body, provided with a plate 1 and a light guide 2; the plate 1 is provided with a cavity 11 recessed inwardly; the light guide 2 is provided with a display portion 3; a light source assembly 4 is arranged in the cavity 11 and optically connected to the display portion 3, wherein the plate 1 is injection-molded from opaque plastic, and the light guide 2 is injection-molded from plastic with light-guiding properties; the price of opaque plastic material is relatively low, which effectively reduces product costs.

[0025] The lamp body is made by a two-color injection molding process, or the plate 1 and the light guide 2 are connected to each other by a two-color injection molding process. Using the two-color injection molding process, the plate 1 and the light guide 2 do not need to be assembled with each other, which speeds up the assembly steps and time, reduces costs, and both are strong and firm and cannot fall off.

[0026] The light guide 2 is provided with a light inlet portion 21, and the light inlet portion 21 is arranged in the direction of the display portion 3 toward the plate member 1, the light inlet portion 21 is optically connected to the display portion 3, the light inlet portion 21 is formed by the display portion 3 protruding toward the plate member 1, the overall length of the light inlet portion 21 should be smaller than the length of the display portion 3, and there is a step between the light inlet portion 21 and the display portion 3, the light source assembly 4 includes an optical device 41 and a circuit device 42, and a circuit board 43 for carrying the optical device 41 and the circuit device 42, the light inlet portion 21 is a local hollow portion formed in the light guide 2, the optical device 41 is accommodated in the light inlet portion 21, and the light of the optical device 41 is irradiated to the display portion 3 through the light inlet portion 21, the light can be fully utilized, and the lighting effect is better.

[0027] The plate member 1 is provided with a connecting portion 12, and the light inlet portion 21 is spatially / optically connected to the cavity 11 through the connecting portion 12; the connecting portion 12 is a through hole that penetrates from the surface of the plate member 1 to the cavity, and the contact portion between the light guide 2 and the connecting portion 12 is surrounded by the side wall of the connecting portion 12; the connecting portion 12 can further increase the connection area between the plate member and the light guide, greatly enhancing the firmness of the lamp body.

[0028] The display panel 1 is provided with a frame 13 extending toward the display portion 3, the display portion 3 is arranged in the frame 13, and the frame 13 is formed around the edge of the display portion 3; the frame 13 can prevent the light irradiated to the display portion 3 from leaking outward, so that the light energy can be fully utilized, the light effect is better, and it is energy-saving and environmentally friendly.

[0029] The display portion 3 is provided with a logo pattern 31 formed by laser printing / silk screen printing / pasting, and the display portion 3 is provided with a hollow first light-isolating portion 32 according to the logo pattern 31; the placement plate 1 is provided with a second light-isolating portion 14 adapted to the first light-isolating portion 32, and the second light-isolating portion 14 is connected to the frame. When a single logo pattern 31 is lit, the first light-isolating portion 32 and the second light-isolating portion 14 can prevent the lit logo pattern 31 from affecting other logo patterns 31 that do not need to be lit, thereby eliminating the phenomenon of cross-lighting.

[0030] The cavity 11 is formed by a surface depression of the board 1 and an opening 15 is formed on the surface of the board 1. The circuit board 43 has a first surface 431. The optical device 41 and / or the circuit device 42 are arranged on the first surface 431. The circuit board 43 is also provided with a second surface 432. The second surface 432 and the first surface 431 are opposite to each other. A sealing body is provided in the cavity 11. The sealing body covers the second surface 432 and / or the periphery of the opening 15. The sealing body is a colloid, which can be understood as glue injection or glue sticking. The main purpose is to fix the circuit board 43 and seal the cavity 11 to achieve a waterproof effect.

[0031] The thickness of the plate member 1 is greater than that of the light guide member 2. The plate member 1 is provided with a wire outlet groove 16, which is curved and connects the cavity 11 and the outside of the plate member 1. The curved design can prevent the power cord connected to the circuit board 43 from falling off when being pulled. The plate member 1 is provided with two mounting holes 17, which are arranged at both ends of the cavity 11, so that users can install it quickly and conveniently. It should be noted that the two mutually adapted mounting holes 17 do not mean that the lamp body has only two mounting holes 17. When the lamp body is provided with two hanging holes for hanging the lamp body or / and two hoisting holes for hoisting the lamp body, etc., they should all be within the protection scope of the present utility model.

[0032] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A simple marker light, characterized in that: It includes a lamp body, which is provided with a placing plate and a light guide; the placing plate is provided with a cavity recessed inwardly; the light guide is provided with a display part; a light source assembly is arranged in the cavity and optically connected to the display part; the placing plate is formed by injection molding of opaque plastic, and the light guide is formed by injection molding of plastic with light guiding performance.

2. A simple marker light according to claim 1, characterized in that: The lamp body is made by a two-color injection molding process, or the plate component and the light guide component are connected to each other by a two-color injection molding process.

3. A simple marker light according to claim 1, characterized in that: The light guide member is provided with a light inlet portion, which is arranged in the direction from the display portion toward the plate member, the light inlet portion is optically connected to the display portion, the light inlet portion is formed by the display portion protruding toward the plate member, the length of the light inlet portion should be smaller than the length of the display portion, and there is a step shape between the light inlet portion and the display portion.

4. A simple marker light according to claim 3, characterized in that: The plate member is provided with a connecting portion, and the light inlet portion is optically connected to the cavity space via the connecting portion.

5. A simple marker light according to claim 4, characterized in that: The connecting part is a through hole extending from the surface of the plate member to the cavity, and the contact portion between the light guide member and the connecting part is surrounded by the side wall of the connecting part.

6. A simple marker light according to claim 3, characterized in that: The light source assembly includes an optical device and a circuit device, and a circuit board for carrying the optical device and the circuit device. The light inlet portion is a local hollow portion formed in the light guide, and the optical device is accommodated in the light inlet portion.

7. A simple marker light according to claim 1, characterized in that: The placing plate is provided with a frame extending toward the display portion, the display portion is arranged in the frame, and the frame is formed around the edge of the display portion.

8. A simple marker light according to claim 7, characterized in that: The display portion is provided with a logo pattern formed by laser printing / silk screen printing / adhesion, and the display portion is provided with a hollow first light-isolating portion according to the logo pattern.

9. A simple marker light according to claim 8, characterized in that: The placing plate is provided with a second light-isolating portion matched with the first light-isolating portion, the frame is formed around the edge of the display portion, and the second light-isolating portion is connected to the frame.

10. A simple marker light according to claim 6, characterized in that: The cavity is formed by a depression on the surface of the board component and an opening is formed on the surface of the board component. The circuit board has a first surface, and the optical device and / or the circuit device are arranged on the first surface. The circuit board also has a second surface, and the second surface is opposite to the first surface. A sealing body is provided in the cavity, and the sealing body covers the second surface and / or the periphery of the opening.

11. A simple marker light according to claim 1, characterized in that: The thickness of the plate is greater than that of the light guide, and the plate is provided with a wire outlet groove, which is curved and connects the cavity and the outside of the plate. The plate is provided with two mounting holes, which are arranged at both ends of the cavity.

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