CN201359262Y - Lampshade locking device - Google Patents

Abstract

The utility model relates to a lampshade locking device comprising a lamp body and a lampshade mounted at the top part of the lamp body. The connection part for the lamp body and the lampshade is a round shape; a lug boss is arranged on the internal surface at the top part of the lamp body; a clamping groove is correspondingly formed on the outer surface of the lampshade; the lug boss is rotated and mounted in the clamp groove, so that the installed lampshade is restricted by the lug boss and can not be pulled out upwards; a base is mounted at the top part of the lamp body and extends into the lampshade; an elastic clamping sheet is arranged on the side wall of the base, with a clamping platform facing outwards at the end part; a bayonet and a through hole are formed on the lampshade and the lamp body corresponding to the clamping platform. After the lug boss is matched and mounted with the clamp groove, the clamping platform under the elastic force action of the elastic clamping sheet extends into the through hole to be locked through the bayonet again, so that the mounted lampshade is hard to fall; and the design has the advantages of reasonable structure and convenient installation.

Description

A lampshade locking device

technical field

The utility model relates to a lampshade locking device.

Background technique

Commonly used small lamps are generally equipped with a lampshade. The assembly method between the lamp body and the lampshade is fixed by screws, screwed or snapped. The former needs to remove the screws when replacing the bulb, which is inconvenient to operate. The shortcoming that lamps and lanterns all exist is easy to loosen.

Contents of the invention

In order to overcome the deficiencies of the prior art, the utility model provides a lampshade locking device with reasonable structure, convenient installation and not easy to loosen.

The technical scheme adopted in the utility model is:

A lampshade locking device, comprising a lamp body and a lampshade installed on the top of the lamp body, the connecting part between the lamp body and the lampshade is circular, the inner surface of the top of the lamp body is provided with a boss, and the outer surface of the lampshade is correspondingly provided with a latch Slot, the boss is rotated and installed in the card slot, so that the installed lampshade cannot be pulled up due to the constraints of the boss. The top of the lamp body is equipped with a base, and the base extends into the lampshade. The side wall of the base An elastic card is provided, and the end of the elastic card has a card platform protruding outward, and the lampshade and the lamp body are respectively provided with a bayonet socket and a through hole corresponding to the card platform.

As a further improvement of the utility model, the base is a plastic seat, and the elastic card is a plastic part integrally formed with the base.

The beneficial effect of the utility model is that: after the boss and the card slot are installed, under the action of the elastic force of the elastic card, the card table goes through the bayonet and then extends into the through hole to lock, so that the installed lampshade is not easy to fall off. The design structure is reasonable, and the installation is convenient. If you need to replace the bulb, you only need to press the card table inward, and then unscrew the lampshade. Furthermore, the elastic card is integrally formed with the base, which simplifies the production process and makes the lamp The structure is more compact.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the exploded schematic view of the utility model;

Figure 3 is an exploded view from another angle.

Detailed ways

Referring to Figures 1 to 3, a lampshade locking device includes a lamp body 1 and a lampshade 2 installed on the top of the lamp body 1. A boss 11 is provided, and the outer surface of the lampshade 2 is correspondingly provided with a card slot 21. The boss 11 is rotatably installed in the card groove 21, so that the installed lampshade cannot be pulled out due to the constraints of the boss. A base 3 is installed on the top of the body 1, and the base 3 extends into the lampshade 2, and the lampshade 2 is installed from the gap between the base and the lamp body shell. The side wall of the base 3 is provided with an elastic card 31, and the end of the elastic card 31 There is a bayonet 32 protruding outward, and the lampshade 2 and the lamp body 1 are respectively provided with a bayonet 22 and a through hole 12 corresponding to the bay 32 .

Further, the base 3 is made of plastic or plastic, such as ABS recycled material, etc., not only the material cost is low, but also easy to injection molding, and the production process is simple. The elastic card 31 is a plastic part integrally formed with the base 3, so that The structure of the light fixture is more compact. In addition, a metal elastic card or a spring-type top sheet can also be installed on the base.

Further, the elastic card 31 is provided with a bevel 33 on the top of the holder 32. When the lampshade 2 is installed, the lower edge of the lampshade 2 can press the holder 32 inward through the bevel 33, so that the lampshade 2 can be easily introduced.

Further, the front end of the draw-in groove 21 is provided with a guide groove 23 that allows the lampshade to be vertically introduced from the boss 11. When assembling, the guide groove 23 of the lampshade can just accommodate the boss 11, so the lampshade can be installed vertically. In the lamp body 1, the lampshade is then rotated so that the card slot 21 and the boss 11 are clamped, thereby constraining the lampshade from moving in the vertical direction and making the structure more reasonable. The above is only a preferred solution. In addition, the card slot can also be The opening is designed to guide the boss in an inclined upward manner.

The locking groove 21 is provided with a raised limit block 24 corresponding to the outer side of the rear end of the boss 11, which makes the boss 11 stuck in the locking groove 21 more firm and increases the stability of the locking device.

Furthermore, the top surface of the base 3 is a reflective surface, and the light irradiated from the light source to the bottom is reflected when the lamp is working, which improves the luminous efficiency of the lamp.

The above is only the preferred implementation of the utility model, and it does not constitute a limitation to the protection scope of the utility model, as long as the purpose of the utility model is realized by substantially the same means, all should belong to the protection scope of the utility model.

Claims (7)

1. lampshade locking device, the lampshade (2) that comprises lamp body (1) and be installed on lamp body (1) top, lamp body (1) is round-shaped with lampshade (2) connecting portion, described lamp body (1) top inner surface is provided with boss (11), the corresponding draw-in groove (21) that is provided with of the outer surface of lampshade (2), boss (11) rotation is installed in the draw-in groove (21), it is characterized in that: described lamp body (1) top is equipped with base (3), base (3) stretches in the lampshade (2), the sidewall of described base (3) is provided with elastic card (31), the end of elastic card (31) has the Ka Tai (32) that protrudes outwardly, and described lampshade (2) and lamp body (1) are locating to be provided with respectively bayonet socket (22) and through hole (12) corresponding to Ka Tai (32).

2. a kind of lampshade locking device according to claim 1 is characterized in that: described base (3) is the plastic cement seat, and described elastic card (31) is and the integrated plastic parts of base (3).

3. according to claim 1 or 2 described a kind of lampshade locking devices, it is characterized in that: described elastic card (31) is provided with hypotenuse (33) at the top of Ka Tai (32).

4. according to claim 1 or 2 described a kind of lampshade locking devices, it is characterized in that: the front end of described draw-in groove (21) is provided with the guide groove (23) that can make lampshade vertically import from boss (11).

5. according to claim 1 or 2 described a kind of lampshade locking devices, it is characterized in that: described draw-in groove (21) is at the limited block (24) that is provided with projection corresponding to boss (11) rearward end outside.

6. a kind of lampshade locking device according to claim 5 is characterized in that: described draw-in groove (21) is at the limited block (24) that is provided with projection corresponding to boss (11) rearward end outside.

7. according to claim 1 or 2 described a kind of lampshade locking devices, it is characterized in that: the end face of described base (3) is a reflective surface.

Images