CN212390143U

CN212390143U - LED bulb with telescopic and length-changeable functions

Info

Publication number: CN212390143U
Application number: CN202021129810.4U
Authority: CN
Inventors: 李希龙
Original assignee: Xiamen Longstar Lighting Co Ltd
Current assignee: Xiamen Longstar Lighting Co Ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-01-22
Anticipated expiration: 2030-06-17

Abstract

The utility model provides a scalable change length's LED bulb, include: the LED lamp comprises an inner shell, an outer shell and an LED lamp body, wherein the inner shell and the outer shell are slidably nested; a plurality of clamping grooves are formed in the inner side of the upper end face of the outer shell along the axial direction at intervals along the circumferential direction; a clamping block clamped with the clamping groove is arranged on the outer side of the LED lamp body; the outer surface of the inner shell is provided with a plurality of convex ribs at intervals along the circumferential direction, and each convex rib extends along the axial direction parallel to the inner shell; the outer shell is provided with an accommodating cavity in a penetrating manner along the axial direction; the inner surface of the accommodating cavity is provided with a plurality of guide grooves at intervals along the circumferential direction, and each guide groove extends along the axial direction parallel to the outer shell; the convex ribs are embedded into the guide grooves to form sliding fit; the inner shell is provided with a yielding cavity in an axial penetrating manner, and one side of the inner shell, which is far away from the LED lamp body, is provided with a thread connected with the lamp cap; and positive and negative leads LED out of the LED lamp body are electrically connected with positive and negative conductive pieces on the lamp holder through the abdicating cavity.

Description

LED bulb with telescopic and length-changeable functions

Technical Field

The utility model relates to a lighting device especially relates to the LED bulb.

Background

The conventional LED bulb or spot lamp body is fixed in length, limited in application occasions, incapable of being used in some specific occasions and incapable of meeting the requirements of all customers. The factory needs to produce LED bulbs with different lengths according to different customers, so that the production cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the main technical problem that a LED bulb is provided, the whole length of bulb can be conveniently changed.

In order to solve the technical problem, the utility model provides a scalable change length's LED bulb, include: the LED lamp comprises an inner shell, an outer shell and an LED lamp body, wherein the inner shell and the outer shell are slidably nested;

a plurality of clamping grooves are formed in the inner side of the upper end face of the outer shell along the axial direction at intervals along the circumferential direction; a clamping block clamped with the clamping groove is arranged on the outer side of the LED lamp body;

the outer surface of the inner shell is provided with a plurality of convex ribs at intervals along the circumferential direction, and each convex rib extends along the axial direction parallel to the inner shell; the outer shell is provided with an accommodating cavity in a penetrating manner along the axial direction; the inner surface of the accommodating cavity is provided with a plurality of guide grooves at intervals along the circumferential direction, and each guide groove extends along the axial direction parallel to the outer shell; the convex ribs are embedded into the guide grooves to form sliding fit;

the inner shell is provided with a yielding cavity in an axial penetrating manner, and one side of the inner shell, which is far away from the LED lamp body, is provided with a thread connected with the lamp cap; and positive and negative leads LED out of the LED lamp body are electrically connected with positive and negative conductive pieces on the lamp holder through the abdicating cavity.

In a preferred embodiment: the lateral wall of interior casing still is provided with the silica gel circle with the inside wall interference fit of shell body.

In a preferred embodiment: a circle of steps are arranged on the upper end surface of the inner shell along the axial direction along the circumferential direction; the step is convex in the radial direction.

In a preferred embodiment: the outer side surface of the step surface is provided with the silica gel ring.

In a preferred embodiment: the shell body is provided with a limiting block which is in limiting fit with the step along the extending direction.

Compared with the prior art, the technical scheme of the utility model possess following beneficial effect:

the utility model provides a scalable change length's LED bulb, the adjustment of multiple length can be realized to a bulb, and the flexibility is wide, has more the practicality, and convenient operation more can satisfy customer's different demands.

Drawings

FIG. 1 is an exploded view of an inner shell and an outer shell in a preferred embodiment of the present invention;

FIG. 2 is an assembly view of the inner and outer housings in a preferred embodiment of the invention;

fig. 3 is an exploded view of an LED light bulb in a preferred embodiment of the present invention;

fig. 4 is a perspective view of an LED bulb in a preferred embodiment of the present invention;

FIG. 5 is a cross-sectional view of a preferred embodiment of the present invention showing the LED bulb in an extended state;

fig. 6 is a cross-sectional view of the LED bulb in a shortened state according to the preferred embodiment of the present invention.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are used in a broad sense, and for example, "connected," may be fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or connected between two elements.

Referring to fig. 1-6, the utility model provides a scalable change length's LED bulb, include: the LED lamp comprises an inner shell 1 and an outer shell 2 which are arranged in a sliding nested mode, and an LED lamp body 3;

a plurality of clamping grooves 21 are arranged on the inner side of the upper end face of the outer shell 2 along the axial direction at intervals along the circumferential direction; a clamping block 31 clamped with the clamping groove 21 is arranged on the outer side of the LED lamp body 3;

a plurality of convex ribs 11 are arranged on the outer surface of the inner shell 1 at intervals along the circumferential direction, and each convex rib 11 extends along the axial direction parallel to the inner shell 1; the outer shell 2 is provided with an accommodating cavity in a penetrating manner along the axial direction; the inner surface of the accommodating cavity is provided with a plurality of guide grooves 21 at intervals along the circumferential direction, and each guide groove 21 extends along the axial direction parallel to the outer shell 2; the convex rib 11 is embedded into the guide groove 21 to form sliding fit;

the inner shell 1 is provided with an abdicating cavity along the axial direction in a penetrating way, and one side of the inner shell 1, which is far away from the LED lamp body 3, is provided with a thread 12 connected with the lamp holder; and positive and negative leads 32 LED out of the LED lamp body 3 are electrically connected with positive and negative conductive pieces on the lamp holder 4 through the abdicating cavity.

In this embodiment, in order to realize that the inner housing 1 and the outer housing 2 can stop at any time in the sliding process to reach the purpose of stepless adjustment, the outer side wall of the inner housing 1 is further provided with a silica gel ring 13 in interference fit with the inner side wall of the outer housing 2. The above-mentioned effect can be achieved by the friction force between the silica gel ring 13 and the inner side wall of the outer shell 2.

In order to limit the maximum distance of the outer shell 2 relative to the inner shell 1, a circle of steps 14 are arranged on the upper end face of the inner shell 1 along the axial direction along the circumferential direction; the step 14 is radially outwardly convex. And the outer side surface of the step 14 surface is provided with the silica gel ring 13. The outer shell 2 is provided with a limiting block 22 which is in limiting fit with the step 14 along the extending direction.

Foretell, the LED bulb of scalable change length, the adjustment of multiple length can be realized to a bulb, and the flexibility is wide, has more the practicality, and convenient operation more can satisfy customer's different demands.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. A scalable LED bulb that changes length characterized by comprising: the LED lamp comprises an inner shell, an outer shell and an LED lamp body, wherein the inner shell and the outer shell are slidably nested;

2. The LED light bulb capable of telescopically changing its length as claimed in claim 1, wherein: the lateral wall of interior casing still is provided with the silica gel circle with the inside wall interference fit of shell body.

3. The LED light bulb capable of telescopically changing its length as claimed in claim 2, wherein: a circle of steps are arranged on the upper end surface of the inner shell along the axial direction along the circumferential direction; the step is convex in the radial direction.

4. A scalable LED bulb of varying length as claimed in claim 3, wherein: the outer side surface of the step surface is provided with the silica gel ring.

5. A scalable LED bulb of varying length as claimed in claim 3, wherein: the shell body is provided with a limiting block which is in limiting fit with the step along the extending direction.