CN209991226U

CN209991226U - Light source board fixed knot constructs and ball bubble lamp

Info

Publication number: CN209991226U
Application number: CN201920818817.8U
Authority: CN
Inventors: 李国超; 鲍永均; 梁德娟
Original assignee: Zhangzhou Leedarson Lighting Co Ltd
Current assignee: Zhangzhou Leedarson Lighting Co Ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-01-24
Anticipated expiration: 2029-05-31

Abstract

The utility model provides a light source board fixed knot constructs and ball bubble lamp. The light source board fixing structure comprises a heat dissipation shell, a bulb shell and a light source board; the heat dissipation shell is provided with an inner cavity with an upper opening, and the inner wall surface of the heat dissipation shell, which is close to the edge of the upper opening, is convexly provided with an installation step; the lower end of the bulb shell is detachably connected to the upper opening of the heat dissipation shell, and the edge of the lower end of the bulb shell is convexly provided with a connecting convex rib extending downwards; the light source board comprises a base plate and a plurality of light sources arranged on the base plate, the base plate is arranged on the mounting step, and the edge of the base plate is clamped between the mounting step and the connecting convex rib. The technical scheme of the utility model can make things convenient for the installation of light source board to effectively reduce lamps and lanterns cost.

Description

Light source board fixed knot constructs and ball bubble lamp

Technical Field

The utility model belongs to the technical field of lamps and lanterns, especially, relate to a light source board fixed knot constructs and ball bubble lamp.

Background

Nowadays, LED lamps have been widely used due to their advantages of energy saving, environmental protection, long service life, etc. Currently, a common LED lamp in the market, such as a bulb lamp, generally includes a lamp head, a driving board, a heat dissipation housing, a light source board, a bulb shell, and the like. The light source board provided with the LED lamp beads is arranged in the heat dissipation shell, and the light source board is locked in the heat dissipation shell through screws. However, in the method for fixing the light source plate by locking screws, the screw posts and the positioning posts for positioning the light source plate are required to be added on the inner wall of the heat dissipation shell, and the thickness difference between the screw posts and the heat dissipation shell is large, so that the thicker places such as the screw posts can shrink greatly when being cooled when the heat dissipation shell is integrally molded, thereby increasing the risk of surface shrinkage of the heat dissipation shell.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide a light source board fixed knot constructs, it aims at solving the loaded down with trivial details problem of light source board installation.

The utility model discloses a realize like this: a light source board fixing structure comprising:

the heat dissipation shell is provided with an inner cavity with an upper opening, and an installation step is convexly arranged on the inner wall surface of the heat dissipation shell, which is close to the edge of the upper opening;

the lower end of the bulb shell is detachably connected to the upper opening of the heat dissipation shell, and the edge of the lower end of the bulb shell is convexly provided with a connecting convex rib extending downwards; and the number of the first and second groups,

the light source board comprises a base board and a plurality of light sources arranged on the base board, the base board is arranged on the mounting step, and the edge of the base board is clamped between the mounting step and the connecting convex rib.

Optionally, the lamp bulb shell and the heat dissipation shell are detachably clamped.

Optionally, a plurality of first buckles are convexly arranged on the outer side surface of the connecting convex rib, a second buckle which is adaptive to and clamped with the first buckles is convexly arranged on the inner wall surface of the radiating shell, which is adjacent to the edge of the upper opening, and the second buckle is located above the mounting step.

Optionally, the heat dissipation housing is flared outward in a direction toward the lamp bulb shell, and the connecting rib is formed by extending downward from the lower edge of the inward bent portion of the lamp bulb shell.

Optionally, the first buckle is disposed adjacent to the lower end edge of the connecting rib, and in an assembled state, a gap is formed between the lower end of the connecting rib and the upper plate surface of the base plate.

Optionally, characterized in that the mounting step is annular.

Optionally, the width of the mounting step in the radial direction is greater than the width of the connecting rib in the radial direction.

Optionally, the outer edge of the light source plate abuts against the connection between the heat dissipation housing and the mounting step.

Optionally, the outer edge of the light source plate is provided with a positioning notch, and the mounting step is provided with a positioning protrusion which can be matched with the positioning notch in a clamped mode.

The utility model discloses still provide a ball bubble lamp, this ball bubble lamp include drive plate, lamp holder and as before light source board fixed knot construct, the lamp holder with the lower extreme of heat dissipation shell is connected, place in the drive plate in the inner chamber of heat dissipation shell, and be located light source board below, the drive plate respectively with the light source board with lamp holder electric connection.

Based on this structural design, when the assembly, can place the light source board on the installation step earlier, then, aim at the lower extreme of bulb shell the last uncovered of heat dissipation shell for both connect, and at this moment, the light source board is located and connects between protruding muscle and the installation step, and the base plate edge card of light source board is put at the installation step promptly and is connected between the protruding muscle, and like this, when bulb shell and heat dissipation shell assembly were accomplished, the light source board also through the upper and lower limiting displacement who connects protruding muscle and installation step and be fixed a position. The event is compared in the mode of using the screw to fix the light source board in the heat dissipation shell that is common at present, the technical scheme of the utility model when the light source board is assembled, it is direct to push down the light source board edge with connecting protruding muscle, and need not to use mounting such as screw, also need not other processing equipment step, and its installation is very simple and convenient, can the effectual manufacturing cost who reduces the product, moreover, the utility model discloses a structural design also need not to change current processing technology, can directly use current equipment, and need not to increase the cost separately. Furthermore, because the technical scheme of the utility model need not use the screw, the event also need not to set up the screw post on the inner wall of heat dissipation shell, also can effectively reduce the surperficial risk of shrinking of heat dissipation shell like this.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an exploded view of a bulb lamp according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a bulb lamp according to an embodiment of the present invention;

fig. 3 is an enlarged schematic view at a in fig. 2.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Lamp bulb shell	200	Light source board
300	Heat radiation shell	310	Inner cavity
				320	Mounting step	110	Connecting convex rib
210	Substrate	220	Light source
				400	Driving board	500	Lamp holder
330	Clamping groove	111	First buckle
				340	Second buckle	230	Positioning notch

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It should be noted that the terms of left, right, upper and lower directions in the embodiments of the present invention are only relative concepts or are referred to the normal use state of the product, and should not be considered as limiting.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner" and "outer" indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

An embodiment of the utility model provides a light source board fixed knot constructs

Referring to fig. 1 and 2, the light source board 200 fixing structure includes a heat dissipation case 300, a bulb case 100, and a light source board 200. The heat dissipation housing 300 has an inner cavity 310 with an upper opening, and an installation step 320 is convexly arranged on the inner wall surface of the heat dissipation housing 300 near the edge of the upper opening; the lower end of the bulb case 100 is detachably connected to the upper opening of the heat dissipation case 300, and the lower end edge of the bulb case 100 is convexly provided with a connecting convex rib 110 extending downwards; the light source board 200 includes a substrate 210 and a plurality of light sources 220 disposed on the substrate 210, the substrate 210 is disposed on the mounting step 320, and an edge of the substrate 210 is clamped between the mounting step 320 and the connecting rib 110.

It should be noted that the light source board 200 fixing structure is suitable for LED lamps, especially for LED bulb lamps, and the shape of the bulb 100 is not limited to a sphere, but may also be an ellipse or a square. Referring to fig. 1 and 2, in the present embodiment, the bulb lamp includes a driving board 400, a lamp cap 500, and the light source board 200 fixing structure as described above, wherein the lamp cap 500 is connected to the lower end of the heat dissipation housing 300, the driving board 400 is disposed in the inner cavity 310 of the heat dissipation housing 300 and located below the light source board 200, and the driving board 400 is electrically connected to the light source board 200 and the lamp cap 500, respectively. Specifically, two opposite vertical protrusions are provided on the inner wall surface of the heat radiating case 300 below the mounting step 320, clamping grooves 330 are provided on the protrusions, the left and right side edges of the driving board 400 can slide into the clamping grooves 330 of the corresponding sides, thereby completing the mounting of the driving board 400, and then the light source board 200 can be placed on the mounting step 320, and connection terminals (not shown) protruding from the lower board surface of the light source board 200 are connected to the driving board 400. When assembled, the light source board 200 is spaced apart from the top end of the driving board 400 to facilitate heat dissipation of the light source board 200 and connection of the connection terminals.

Based on this structural design, when assembling, can place light source board 200 on installation step 320 earlier, then, aim at the lower extreme of bulb shell 100 and open on heat dissipation shell 300 for both connect, at this moment, light source board 200 is located and connects between protruding muscle 110 and the installation step 320, and the base plate 210 edge card of light source board 200 is put between installation step 320 and connection protruding muscle 110 promptly, like this, when bulb shell 100 and heat dissipation shell 300 assembly are accomplished, light source board 200 also through the upper and lower limiting displacement who connects protruding muscle 110 and installation step 320 and be fixed a position. So compare in the mode of using the screw to fix light source board 200 in heat dissipation shell 300 that is common at present, the technical scheme of the utility model when light source board 200 assembles, directly push down light source board 200 edge with connecting protruding muscle 110, and need not to use mountings such as screw, also need not other processing equipment step, its installation is very simple and convenient, can effectual reduction product manufacturing cost, moreover, the utility model discloses a structural design also need not to change current processing technology, can directly use current equipment, and need not to increase the cost separately. Furthermore, because the technical scheme of the utility model need not use the screw, so also need not to set up the screw post on the inner wall of heat dissipation shell 300, also can effectively reduce the surface of heat dissipation shell 300 and contract the risk like this.

Referring to fig. 2 and 3, in the present embodiment, the bulb 100 and the heat dissipation housing 300 are detachably engaged. Of course, in other embodiments, other detachable connection manners may be adopted between the two. Specifically, as shown in fig. 3, in the present embodiment, a plurality of first fasteners 111 are convexly disposed on the outer side surface of the connecting rib 110, a second fastener 340 adapted to and engaged with the first fasteners 111 is convexly disposed on the inner wall surface of the heat dissipation housing 300 adjacent to the edge of the upper opening, and the second fastener 340 is located above the mounting step 320. Here, the number of the first fasteners 111 and the second fasteners 340 is plural, and the first fasteners and the second fasteners are evenly distributed at intervals along the circumferential direction; the bottom surface of the buckling part of the first buckle 111 is an inclined plane which inclines upwards, and the top surface of the buckling part of the second buckle 340 is also provided with an inclined plane which inclines downwards, so that the buckling of the first buckle 111 and the second buckle 340 can be favorably smooth. However, the design is not limited thereto, and in other embodiments, the lamp bulb 100 and the heat dissipation housing 300 may be clamped in other manners, for example, one of the first buckle 111 and the second buckle 340 is set as a buckle hole, and then the other buckle is buckled into the buckle hole to realize detachable clamping.

Referring to fig. 2, in the present embodiment, the heat dissipation housing 300 is outwardly flared in a direction toward the lamp bulb 100, and the connection rib 110 is formed by extending downward from the inwardly bent lower edge of the lamp bulb 100. It can be understood that, on one hand, a certain accommodating space can be formed by the arrangement, so that the first buckle 111 and the second buckle 340 can be conveniently and convexly arranged and can be smoothly buckled; on the other hand, the connection between the heat dissipation housing 300 and the lamp bulb 100 is arc-shaped, so that the whole bulb lamp is more attractive in appearance. Of course, the diameter of the bulb opening of the bulb casing 100 surrounded by the connecting ribs 110 cannot be smaller than the range of the plurality of light sources 220, i.e., the LED bulbs, on the light source board 200, so as to avoid crushing the bulbs during assembly.

Referring to fig. 3, in the present embodiment, the first buckle 111 is disposed adjacent to the lower end edge of the connecting rib 110, and in an assembled state, a gap is formed between the lower end of the connecting rib 110 and the upper plate surface of the base plate 210. Here, the gap between the lower end of the connecting rib 110 and the upper plate surface of the base plate 210 is a manufacturing tolerance in the range of 0.2 to 0.4mm, so that the first latch 111 can slightly move downward when the first latch 111 and the second latch 340 are latched, and thus can be better latched with the second latch 340, thereby improving the convenience of assembly and disassembly and the connection strength between the heat dissipation housing 300 and the lamp bulb 100.

Further, referring to fig. 2, in the present embodiment, the mounting step 320 is preferably annular, and correspondingly, the connecting rib 110 is also preferably annular. Of course, in other embodiments, the mounting step 320 and the connecting rib 110 may be formed by arranging a plurality of protrusions in a circle at intervals along the circumferential direction, but in this embodiment, the annular design is not only convenient for injection molding, but also can obtain greater supporting strength, so that the connecting strength between the heat dissipation housing 300 and the connecting rib 110 is higher, and the positioning and fixing effect on the light source board 200 is stronger.

Further, referring to fig. 3, in the present embodiment, the radial width of the mounting step 320 is greater than the radial width of the connecting rib 110, so that the light source board 200 can be placed on the mounting step 320 more stably, and the light source board 200 is not prone to slide and tilt from the mounting step 320 when the engaging and pressing are too hard.

Referring to fig. 2 and 3, in the present embodiment, the outer edge of the light source board 200 abuts against the connection portion of the heat dissipation case 300 and the mounting step 320, so that the position of the light source board 200 on the horizontal plane can be prevented from moving. And further, as shown in fig. 1, the outer edge of the light source board 200 is further provided with a positioning notch 230, and the mounting step 320 is provided with a positioning protrusion (not shown) which can be fitted into the positioning notch 230. During the assembly, go into the location breach 230 through the location arch card, just can realize the angular positioning of light source board 200 on installation step 320 for light source board 200 is difficult for the axial to be rotated, and then makes binding post be difficult for breaking away from with drive plate 400 because of the rotation of light source board 200 and be connected.

The utility model discloses still provide a ball bubble lamp, this ball bubble lamp include light source board fixed knot construct, and this light source board fixed knot constructs specific structure refers to above-mentioned embodiment, because this ball bubble lamp has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought equally, no longer gives unnecessary detail here.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.

Claims

1. A light source plate fixing structure characterized by comprising:

2. The light source board fixing structure of claim 1, wherein the bulb case and the heat dissipating case are detachably engaged.

3. The light source board fixing structure of claim 2, wherein a plurality of first fasteners are convexly arranged on the outer side surface of the connecting convex rib, a second fastener which is in adaptive clamping connection with the first fasteners is convexly arranged on the inner wall surface of the radiating shell adjacent to the edge of the upper opening, and the second fastener is positioned above the mounting step.

4. The light source board fixing structure of claim 3, wherein the heat dissipating housing is formed to be outwardly flared in a direction toward the bulb casing, and the coupling rib is formed to extend downward from an inwardly bent lower end edge of the bulb casing.

5. The light source board fixing structure according to claim 3, wherein the first catch is provided adjacent to a lower end edge of the connecting rib, and in an assembled state, a gap is provided between a lower end of the connecting rib and an upper plate surface of the base plate.

6. A light source board fixing structure as claimed in any one of claims 1 to 5, wherein the mounting step is annular.

7. The light source board fixing structure according to claim 6, wherein the mounting step has a width in the radial direction larger than that of the connecting rib.

8. The light source board fixing structure according to claim 6, wherein an outer edge of the light source board abuts on a connection of the heat dissipation housing and the mounting step.

9. The light source board fixing structure of claim 1, wherein a positioning notch is provided on an outer edge of the light source board, and a positioning protrusion capable of being fitted into the positioning notch is provided on the mounting step.

10. A bulb lamp, characterized by comprising a driving board, a lamp holder and the light source board fixing structure as claimed in any one of claims 1 to 9, wherein the lamp holder is connected with the lower end of the heat dissipation shell, the driving board is arranged in the inner cavity of the heat dissipation shell and is located below the light source board, and the driving board is electrically connected with the light source board and the lamp holder respectively.