CN211502657U - Lamp holder mounting structure - Google Patents

Abstract

The utility model discloses a lamp holder mounting structure, including lamp holder body and bulb casing, be provided with the guide groove on the bulb casing, the guide groove is the annular structure, the guide groove outside is provided with the bond line, bond line and this body coupling of lamp holder. Through the groove that sets up an indent in horn mouth department, make the daub inflation back, the solidification reduces the mechanical stress that the daub inflation leads to in groove as far as, and then avoids leading to the cracked condition of glass bulb shell horn mouth because of mechanical stress, improves the yields.

Description

Lamp holder mounting structure

Technical Field

The utility model belongs to the technical field of the electrical apparatus manufacturing technique and specifically relates to a lamp holder mounting structure is related to.

Background

In the production process of the LED filament lamp, the lamp bulb can be stressed in the processes of sealing the lamp bulb, installing the lamp holder and the like. And in the head assembling process, the mechanical stress caused by expansion of the daub is mainly used. For example, an "LED general bulb lamp" disclosed in chinese patent literature, whose publication number "CN 206072809U" includes a glass bulb, an LED light source, and a lamp cap, the glass bulb and the lamp cap are sealed and fixed by cement, the lamp cap includes a lamp cap housing made of a conductive metal material and a driving power supply, the driving power supply is disposed in the lamp cap housing, and the LED general bulb lamp is characterized in that: the lamp cap further comprises a lamp cap inner sleeve with insulating property, the lamp cap inner sleeve is of a hollow structure, the lamp cap inner sleeve is installed in the lamp cap outer shell, the driving power supply is installed in the lamp cap inner sleeve, and the driving power supply is located in the lower area of the lamp cap inner sleeve; although the production cost is low, when the mechanical stress caused by the expansion of the daub exceeds the fatigue strength of the glass at the horn, the structure can cause fracture, and the product can fail. In view of the above-mentioned shortcomings, a new technology is needed to solve the above-mentioned problems.

Disclosure of Invention

There is mechanical stress easily to lead to the glass package horn mouth to break when installing to lamp holder among the prior art, the problem that the product defective rate is high, the utility model provides a lamp holder mounting structure through the groove that sets up an indent in horn mouth department, makes the daub inflation back, and solidification as far as is in groove department, rather than power direct action on the loudspeaker of stem, reduces the mechanical stress that the daub inflation leads to, and then avoids leading to the cracked condition of glass bulb shell horn mouth because of mechanical stress, improves the yields.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a lamp holder mounting structure comprises a lamp holder body and a bulb shell, wherein a guide groove is arranged on the bulb shell and is of a ring groove structure, an adhesive layer is arranged outside the guide groove, and the adhesive layer is connected with the lamp holder body. The guide groove is formed in the opening of the bulb shell, the lamp holder body is connected with the bulb shell through the bonding layer, the bonding layer expands and enters the guide groove when being cured, mechanical stress on the bulb shell when the bonding layer is cured is effectively eliminated, the brittle bulb shell cannot be broken due to stress, and the yield is effectively improved.

Preferably, the lamp cap body is of a cylindrical structure, and the inner wall of the lamp cap body is attached to the bonding layer. The lamp holder body is sleeved on the bulb shell and is fixedly connected through the bonding layer.

Preferably, the bulb shell is provided with a bell mouth, the guide groove is arranged on the outer side of the bell mouth, and the lamp holder body is sleeved with the bell mouth. The horn mouth is used for connecting the adapter, the adapter is connected with the bulb base to realize the connection of the bulb and the power supply

Preferably, the guide groove is arranged in the middle of the outer side of the bell mouth, one side of the bell mouth, which is close to the large end of the bulb shell, is provided with an adhesive part, and the adhesive part is attached to the adhesive layer. The bonding part is used for coating a bonding layer, so that the horn mouth is connected with the annular bonding layer of the lamp holder body in an upper shape and is connected with the lamp holder body.

Preferably, the adhesive layer is an expandable structure, the outer side of the adhesive layer is connected with the lamp cap body, and the inner side of the adhesive layer is connected with the adhesive part and expands into the guide groove. The adhesive layer expands and generates stress when being cured, and the adhesive groove expands and fills the guide groove, so that the stress is eliminated, and the bulb shell is prevented from being damaged by pressure.

Preferably, a filament assembly is arranged in the bell mouth and is glued with the bell mouth. The filament assembly is arranged in the horn mouth and sealed through the colloid, so that the phenomenon that the filament assembly is separated from the bulb shell in the using process is avoided, and the pressure resistance of the horn mouth is improved.

Preferably, the guide groove is an arc-shaped groove. The arc-shaped groove can effectively improve the contact area between the bonding layer and the bulb shell, further reduce the stress concentration generated after the bonding layer expands, and improve the curing fastness between the lamp holder body and the bulb shell.

Therefore, the utility model discloses following beneficial effect has: (1) the inward-concave groove is formed in the bell mouth, so that the daub is solidified at the groove as much as possible after being expanded, the mechanical stress caused by the expansion of the daub is reduced, the condition that the bell mouth of the glass bulb shell is broken due to the mechanical stress is further avoided, and the yield is improved; (2) the guide groove increases the contact area between the bonding layer and the bulb shell, and enhances the curing fastness of the lamp holder body and the bulb shell; (3) the strength of the sealing part of the bulb is increased, the quality and the reliability of the product are improved, and the cost is reduced.

Drawings

Fig. 1 is an exploded view of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

In the figure: 1. the lamp holder comprises a lamp holder body, 2, a bulb shell, 3, a guide groove, 4, an adhesive layer, 5, a horn mouth, 51, an adhesive part, 6, a filament assembly, 7 and a conversion joint.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description. Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those 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 being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

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.

Example 1

As shown in fig. 1 and 2, the lamp holder mounting structure includes a lamp holder body and a bulb casing, the bulb casing is provided with a guide groove, the guide groove is in a ring groove structure, an adhesive layer is arranged outside the guide groove, and the adhesive layer is connected with the lamp holder body. The guide groove is formed in the opening of the bulb shell, the lamp holder body is connected with the bulb shell through the bonding layer, the bonding layer expands and enters the guide groove when being cured, mechanical stress on the bulb shell when the bonding layer is cured is effectively eliminated, the brittle bulb shell cannot be broken due to stress, and the yield is effectively improved. The lamp holder body is of a cylindrical structure, and the inner wall of the lamp holder body is attached to the bonding layer. The lamp holder body is sleeved on the bulb shell and is fixedly connected through the bonding layer. In this embodiment, the bonding layer is made of a sealant special for a bulb, specifically, a methyl phenyl silicone resin, that is, an organic silicone resin, and the sealant has excellent high temperature resistance, electrical insulation and moisture resistance, and can seal a bulb shell and a lamp holder body child.

The bulb comprises a bulb shell, and is characterized in that a horn mouth is arranged on the bulb shell, a guide groove is formed in the outer side of the horn mouth, and the lamp holder body is sleeved with the horn mouth. The horn mouth is used for connecting a conversion joint, and the conversion joint is connected with the bulb base to realize the connection of the bulb and the power supply. The guide groove is arranged in the middle of the outer side of the horn mouth, one side, close to the large end of the bulb shell, of the horn mouth is provided with a bonding portion, and the bonding portion is attached to the bonding layer. The bonding part is used for coating a bonding layer, so that the horn mouth is connected with the annular bonding layer of the lamp holder body in an upper shape and is connected with the lamp holder body. The bonding layer is made of organic silicon resin and expands after being cured, the outer side of the bonding layer is connected with the lamp cap body, and the inner side of the bonding layer is connected with the bonding part and expands into the guide groove. The bonding layer expands and generates stress when being cured, and the bonding groove expands and fills the guide groove, so that the stress originally generated is eliminated, and the bulb shell is prevented from being damaged by pressure. Be provided with filament assembly in the horn mouth, filament assembly and horn mouth cementing. The filament assembly is arranged in the horn mouth and sealed through the colloid, so that the phenomenon that the filament assembly is separated from the bulb shell in the using process is avoided, and the pressure resistance of the horn mouth is improved. The guide groove is an arc-shaped groove. The arc-shaped groove can effectively improve the contact area between the bonding layer and the bulb shell, further reduce the stress concentration generated after the bonding layer expands, and improve the curing fastness between the lamp holder body and the bulb shell.

When the lamp holder is installed, the lamp filament assembly is firstly installed in the horn mouth and sealed through instant adhesive, the adapter is installed at the tail of the lamp filament assembly, then the adhesive layer, namely organic silicon resin adhesive, is uniformly coated on the guide groove and the adhesive part, finally the lamp holder body is sleeved and installed outside the horn mouth and waits for the adhesive layer to be cured, the adhesive layer gradually expands and fills the guide groove in the curing process, the guide area between the adhesive layer and the bulb shell is increased, the connection strength between the lamp holder body and the bulb shell is further improved, the guide groove eliminates mechanical stress generated by expansion of the adhesive layer after curing, the horn mouth of the bulb shell cannot be broken due to extrusion, and the integral yield of the bulb is effectively improved.

In addition to the above embodiments, the technical features of the present invention can be re-selected and combined within the scope of the present invention as disclosed in the claims and the specification to constitute new embodiments, which can be realized by those skilled in the art without any creative work, therefore, the embodiments of the present invention not described in detail should be regarded as specific embodiments of the present invention and within the protection scope of the present invention.

Claims (7)

1. The lamp holder mounting structure comprises a lamp holder body (1) and a bulb shell (2), and is characterized in that a guide groove (3) is formed in the bulb shell (2), the guide groove (3) is of a ring groove structure, an adhesive layer (4) is arranged outside the guide groove (3), and the adhesive layer (4) is connected with the lamp holder body (1).

2. The lamp cap mounting structure according to claim 1, wherein the lamp cap body (1) is a cylindrical structure, and the inner wall of the lamp cap body (1) is attached to the adhesive layer (4).

3. The lamp holder mounting structure according to claim 1, wherein the bulb casing (2) is provided with a bell mouth (5), the guide groove (3) is arranged outside the bell mouth (5), and the lamp holder body (1) is sleeved with the bell mouth (5).

4. A lamp cap mounting structure according to claim 3, wherein the guiding groove (3) is arranged in the middle of the outer side of the bell mouth (5), an adhesive part (51) is arranged on one side of the bell mouth (5) close to the large end of the bulb shell (2), and the adhesive part (51) is attached to the adhesive layer (4).

5. A lamp cap mounting structure according to claim 1, wherein said adhesive layer (4) is an expandable structure, the outside of said adhesive layer (4) is connected to the lamp cap body (1), and the inside of said adhesive layer (4) is connected to the adhesive portion (51) and expands into the guide groove (3).

6. A lamphead mounting structure according to claim 3, characterized in that a filament assembly (6) is arranged in the bell mouth (5), and the filament assembly (6) is glued to the bell mouth (5).

7. A lamp cap mounting structure according to any one of claims 1-5, characterized in that the guide groove (3) is an arc-shaped groove.

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