A corn-type LED light bulb

Abstract

This utility model discloses a corn-shaped LED bulb, including a lamp holder, a lamp body connected to the lamp holder, a driver power supply, an end cap, and a flexible lamp plate. The flexible lamp plate also includes a lampshade fixedly installed on the outside of the lamp body. The lamp body is cylindrical. The driver power supply is located inside the lamp body, with one end electrically connected to the lamp holder. The end cap is installed on the end of the lamp body away from the lamp holder and has a wire hole. The flexible lamp plate is bonded to the outside of the lamp body and the end cap and is electrically connected to the driver power supply. The flexible lamp plate has LED beads arranged in a corn-shaped pattern. The bulb also includes a pressing frame, which includes a pressing ring and three pressing arms fixedly connected perpendicularly to the pressing ring. The pressing ring has a notch at the connection point with the flexible LED strip. The lamp body has a pressing groove that mates with the pressing arms. The end cap has a clearance opening opposite the pressing groove. The pressing ring and the end cap are fixedly connected by screws. This corn-shaped LED bulb has the advantages of stable connection between the flexible lamp plate and the lamp body, long service life, and simple operation.

Description

Technical Field

[0001] This utility model relates to the field of lighting bulb technology, and in particular to a corn-shaped LED bulb. Background Technology

[0002] Corn-shaped LED bulbs are devices that convert electrical energy into visible light. They are named for their unique columnar light-emitting structure, which resembles a corn cob.

[0003] The structure of currently used corn-shaped LED bulbs includes a bulb base, a bulb body connected to the bulb base, a driver installed inside the bulb body, and a flexible LED board electrically connected to the driver. The flexible LED board is glued to the outside of the bulb body, and LED beads are arranged in a corn-shaped pattern on the flexible LED board. Corn-shaped LED bulbs generate heat during use. After prolonged use, the adhesive may fail, causing the flexible LED board to detach from the bulb body, affecting normal use and shortening its lifespan. Utility Model Content

[0004] In view of the shortcomings of the prior art, the technical problem to be solved by this patent application is how to provide a corn-shaped LED bulb that enables a stable connection between the flexible light panel and the lamp body, has a long service life, and is easy to operate.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0006] A corn-shaped LED bulb includes a lamp holder, a lamp body connected to the lamp holder, a driver power supply, an end cap, a flexible lamp plate, and a lamp cover fixedly installed on the outside of the lamp body. The lamp body is cylindrical, the driver power supply is located inside the lamp body, one end of the driver power supply is electrically connected to the lamp holder, the end cap is installed on the end of the lamp body away from the lamp holder, and the end cap has a wire hole. The flexible lamp plate is bonded to the outside of the lamp body and the end cap and is electrically connected to the driver power supply. The flexible lamp plate is provided with LED beads arranged in a corn-shaped pattern. The bulb also includes a pressing frame, which includes a pressing ring and three pressing arms fixedly connected to the pressing ring perpendicularly. The pressing ring has a notch at the connection point of the flexible LED strip. The lamp body has a pressing groove that cooperates with the pressing arms. The end cap has a clearance opening opposite the pressing groove. The pressing ring and the end cap are fixedly connected by screws.

[0007] In this assembly process, one end of the driver power supply is connected to the lamp holder, and the driver power supply is placed inside the lamp body. The end cap is installed on the end of the lamp body furthest from the lamp holder. The driver power supply is electrically connected to the flexible LED panel through a wire hole. The flexible LED panel is bonded to the outside of the end cap of the lamp body box. During bonding, the flexible LED strip fits snugly against the lamp body, that is, the flexible LED strip fits snugly against the pressure groove. After the flexible LED strip is connected to the lamp body, the pressing bracket is installed, and the pressing arm is slid into the pressure groove. The pressure ring is fixed to the end cap using screws. Finally, the lamp cover is installed on the outside of the lamp body. The clearance groove on the pressure ring allows for clearance of the flexible LED strip. The pressing bracket provides pressure to the flexible LED strip, allowing it to fit better against the lamp body and ensuring high stability. No LED chips are installed on the part of the flexible LED strip facing the pressure groove to avoid affecting light emission.

[0008] Preferably, the end cap has a boss protruding from the inner hole of the pressure ring, the flexible light strip is bonded to the boss and the flexible light strip has external teeth that are bonded to the outer ring of the boss, and the external teeth are located between the boss and the pressure ring.

[0009] Preferably, the groove has openings on both sides, and the flexible light strip is fixed with an adhesive strip that can be pressed into the groove.

[0010] Preferably, the pressure groove is a semi-circular groove, and the pressure arm is a semi-cylindrical structure.

[0011] Preferably, the end cap has a protruding insert on the side facing the lamp body, and the insert is inserted into the lamp body and is interference-fitted with the lamp body.

[0012] In summary, this corn-shaped LED bulb has the advantages of enabling a stable connection between the flexible light panel and the lamp body, long service life, and simple operation. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of a corn-shaped LED bulb according to the present invention.

[0014] Figure 2 for Figure 1 A schematic diagram of the structure without the lampshade.

[0015] Figure 3 for Figure 2 The split diagram.

[0016] Figure 4 for Figure 3 Enlarged diagram of point A in the middle.

[0017] Figure 5 This is a schematic diagram of the back of the flexible light panel in its unfolded state. Detailed Implementation

[0018] The present invention will now be described in further detail with reference to the accompanying drawings. In the description of the present invention, it should be understood that directional terms such as "upper," "lower," "top," and "bottom" indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. These terms are used only for the convenience of describing the present invention and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the scope of protection of the present invention. The directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0019] like Figures 1-5 As shown, a corn-shaped LED bulb includes a lamp head 1, a lamp body 2 connected to the lamp head, a driver power supply, an end cap 3, a flexible lamp plate 4, and a lamp cover 5 fixedly installed on the outside of the lamp body. The lamp body is cylindrical, the driver power supply is located inside the lamp body, and one end of the driver power supply is electrically connected to the lamp head. The end cap is installed on the end of the lamp body away from the lamp head, and the end cap has a wire hole 6. The flexible lamp plate is bonded to the outside of the lamp body and the end cap, and the flexible lamp plate is electrically connected to the driver power supply. The flexible lamp plate is provided with LED beads 7 arranged in a corn shape. It also includes a pressing frame, which includes a pressing ring 8 and three pressing arms 9 fixedly connected to the pressing ring perpendicularly. The pressing ring has a notch 10 at the connection point of the flexible LED strip. The lamp body has a pressing groove 11 that cooperates with the pressing arms. The end cap has a clearance opening opposite the pressing groove. The pressing ring and the end cap are fixedly connected by screws.

[0020] In this assembly process, one end of the driver power supply is connected to the lamp holder, and the driver power supply is placed inside the lamp body. The end cap is installed on the end of the lamp body furthest from the lamp holder. The driver power supply is electrically connected to the flexible LED panel through a wire hole. The flexible LED panel is bonded to the outside of the end cap of the lamp body box. During bonding, the flexible LED strip fits snugly against the lamp body, that is, the flexible LED strip fits snugly against the pressure groove. After the flexible LED strip is connected to the lamp body, the pressing bracket is installed, and the pressing arm is slid into the pressure groove. The pressure ring is fixed to the end cap using screws. Finally, the lamp cover is installed on the outside of the lamp body. The clearance groove on the pressure ring allows for clearance of the flexible LED strip. The pressing bracket provides pressure to the flexible LED strip, allowing it to fit better against the lamp body and ensuring high stability. No LED chips are installed on the part of the flexible LED strip facing the pressure groove to avoid affecting light emission.

[0021] In implementation, the end cap has a protruding boss 12 opposite to the inner hole of the pressure ring. The flexible LED strip is bonded to the boss and has external teeth 13 that bond to the outer ring of the boss. The external teeth are located between the boss and the pressure ring. The boss provides a mounting base for the flexible LED strip, and the pressure ring provides clamping force to the flexible LED strip located at the end.

[0022] In practice, slots 14 are provided on both sides of the groove, and the flexible LED strip is fixed with an adhesive strip 15 that can be pressed into the slot. Through the cooperation of the slot and the adhesive strip, when the flexible LED strip is bonded to the lamp body, the adhesive strip is pressed into the slot, making the connection between the flexible LED strip and the lamp body more stable and reliable.

[0023] In practice, the pressing groove is a semi-circular groove, and the pressing arm is a semi-cylindrical structure. This increases the contact area with the flexible LED strip, allowing the pressing arm to better compress the flexible LED strip.

[0024] In practice, the end cap has a protruding insert 16 on the side facing the lamp body. The insert is inserted into the lamp body and fits the lamp body with an interference fit, which facilitates installation.

[0025] Finally, it should be noted that those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. A corn-shaped LED bulb, comprising a lamp holder (1), a lamp body (2) connected to the lamp holder, a driving power supply, an end cap (3), a flexible lamp plate (5), and a lamp cover (5) fixedly installed on the outside of the lamp body. The lamp body is cylindrical, the driving power supply is disposed inside the lamp body, one end of the driving power supply is electrically connected to the lamp holder, the end cap is installed on the end of the lamp body away from the lamp holder, the end cap has a wire hole (6), the flexible lamp plate is bonded to the outside of the lamp body and the end cap and is electrically connected to the driving power supply, and the flexible lamp plate is provided with LED beads (7) arranged in a corn-shaped pattern. It also includes a press-fit frame, which includes a press ring (8) and three press arms (9) that are vertically fixed to the press ring. The press ring has a notch (10) at the connection point of the flexible light strip. The lamp body has a press groove (11) that cooperates with the press arms. The end cap has a clearance opening at the press groove. The press ring and the end cap are fixedly connected by screws.

2. The corn-type LED bulb according to claim 1, characterized in that, The end cap has a boss (12) protruding from the inner hole of the pressure ring. The flexible light strip is bonded to the boss and has external teeth (13) that are bonded to the outer ring of the boss. The external teeth are located between the boss and the pressure ring.

3. A corn-type LED bulb according to claim 2, characterized in that, The groove has openings (14) on both sides, and the flexible light strip is fixed with an adhesive strip (15) that can be pressed into the groove.

4. A corn-type LED bulb according to claim 3, characterized in that, The pressure groove is a semi-circular groove, and the pressure arm is a semi-cylindrical structure.

5. A corn-type LED bulb according to claim 4, characterized in that, The end cap has a protruding insert (16) on the side facing the lamp body. The insert is inserted into the lamp body and is interference-fitted with the lamp body.

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