CN201887023U

CN201887023U - Improved bayonet type lamp holder shell structure

Info

Publication number: CN201887023U
Application number: CN2010206730289U
Authority: CN
Inventors: 姚利民
Original assignee: KAISHENG LAMP HOLDER INDUSTRIAL Co Ltd DONGGUAN CITY
Current assignee: Guangdong Kai Sheng Lighting Technology Co., Ltd.
Priority date: 2010-12-22
Filing date: 2010-12-22
Publication date: 2011-06-29
Anticipated expiration: 2020-12-22

Abstract

The utility model discloses an improved bayonet type lamp holder shell structure, which comprises a metal housing and a plastic connecting casing, wherein the metal housing comprises a barrel, an annular top wall connected to the upper edge of the barrel, and a skirt border connected to the lower edge of the barrel, and the plastic connecting casing is injection-molded at the annular top wall of the metal casing. The all-metal shell of a lamp holder in the prior art is improved into two parts including the metal casing positioned at the lower end and the plastic connecting casing injection-molded at the annular top wall of the metal casing, the arrangement of the plastic connecting casing brings convenience for the arrangement of a nail buckle of the lamp holder, and the phenomenon of glue overflow in the prior art is avoided; and simultaneously, the plastic connecting casing does not have the phenomena of metal shell expansion and deformation in the prior art, and the plastic casing is firmly combined with an insulating part, so the quality of a product is greatly improved, and the finished product rate is increased.

Description

The bayonet cap shell structure of improvement

Technical field

The utility model relates to the illuminating lamp technical field, refers in particular to a kind of bayonet cap shell structure of improvement.

Background technology

Lamp holder is the link of bulb or fluorescent tube and lamp socket, and present lamp holder is varied, and its lamp head shell structure is roughly the same, mainly includes conductive cap, insulation division and metal shell.

In the prior art, this metal shell is one-body molded structure usually, and it has the upper and lower end opening, and its upper end is embedded with nail catcher; During making, in metal shell upper end open place's moulding one insulation division, this insulation division envelopes the aforementioned end that is positioned at the nail catcher of metal shell, so that nail catcher is fixed by the injection moulding mode; And high temperature plastics is when fusing into, metal shell and high temperature plastics contact portion, it is the upper end of metal shell, be prone to expansion, metaboly, and the glue phenomenon of overflowing appears, reduced the bond strength of metal shell and insulation division, so, reduce the quality of product even produced and much scrapped phenomenon, greatly reduced the rate of finished products of product.

Therefore, need badly and work out a solution and change present situation.

The utility model content

In view of this, the utility model is at the disappearance of prior art existence, and its main purpose provides a kind of bayonet cap shell structure of improvement, and it has effectively avoided the excessive glue phenomenon in the conventional art, and indeformable, rate of finished products is high.

For achieving the above object, the utility model adopts following technical scheme:

A kind of bayonet cap shell structure of improvement, include metal casing and be connected sheath body with plastics, this metal casing includes cylindrical shell, be connected in the annular upper wall of ora terminalis on this cylindrical shell and be connected in the shirt rim of ora terminalis under this cylindrical shell, and these plastics connect the annular upper wall place that sheath body system is injected and molded in this metal casing.

As a kind of preferred version, further include an insulation division, this insulation division is connected in the upper end that aforementioned plastics connect sheath body.

As a kind of preferred version, the upper end that described plastics connect sheath body is provided with for holding the open slot of establishing nail catcher, and its quantity is two.

After the utility model adopts technique scheme, its beneficial effect is, main system is that the plastics that comprise metal casing that is positioned at the lower end and the annular upper wall place that is injected and molded in this metal casing are connected sheath body two parts by the full metal jacket improvement with lamp holder in the conventional art, these plastics connect the setting of sheath body, be convenient to the arrangement of the nail catcher of lamp holder, avoided the excessive glue phenomenon in the conventional art, simultaneously, the plastics of the utility model connect sheath body metal shell expansion in the conventional art can not occur, be out of shape existing resembling, and this plastic housing combines more firm with insulation division, by this, improve the quality of product greatly, increased rate of finished products.

For more clearly setting forth architectural feature of the present utility model and effect, come the utility model is elaborated below in conjunction with accompanying drawing and specific embodiment.

Description of drawings

Fig. 1 is the package assembly diagrammatic sketch of the preferred embodiment of the utility model.

Fig. 2 is the exploded view of the preferred embodiment of the utility model.

Fig. 3 is the partial cutaway diagrammatic sketch at M-M place among Fig. 1.

The accompanying drawing identifier declaration:

10, metal casing 11, cylindrical shell

12, annular upper wall 13, shirt rim

20, plastics connect sheath body 30, insulation division

31, open slot 40, nail catcher

50, conductive cap.

Embodiment

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

See also Fig. 1 to shown in Figure 3, the concrete structure that it has demonstrated the preferred embodiment of the utility model includes metal casing 10, plastics connection sheath body 20 and insulation division 30.

Wherein, this metal casing 10 includes cylindrical shell 11, is connected in the annular upper wall 12 of ora terminalis on this cylindrical shell 11 and is connected in the shirt rim 13 of 11 times ora terminalis of this cylindrical shell.

This plastics adapter sleeve 20 shells system is injected and molded in annular upper wall 12 places of aforementioned metal sheath body 10, and the upper end that these plastics connect sheath body 20 is provided with for holding the open slot 31 of establishing nail catcher 40, and its quantity is two;

This insulation division 30 is connected in the upper end that aforementioned plastics connect sheath body 20, and in present embodiment, this insulation division 30 is to be shaped in the upper end edge that aforementioned plastics connect sheath body 20, and this insulation division 30 is to be used to install nail catcher 40, conductive cap 50 etc.

Design focal point of the present utility model is, main system is that the plastics that comprise metal casing that is positioned at the lower end and the annular upper wall place that is injected and molded in this metal casing are connected sheath body two parts by the full metal jacket improvement with lamp holder in the conventional art, these plastics connect the setting of sheath body, be convenient to the arrangement of the nail catcher of lamp holder, avoided the excessive glue phenomenon in the conventional art, simultaneously, the plastics of the utility model connect sheath body metal shell expansion in the conventional art can not occur, be out of shape phenomenon really, and this plastic housing combines more firm with insulation division, by this, improve the quality of product greatly, increased rate of finished products.

The above, it only is preferred embodiment of the present utility model, be not that technical scope of the present utility model is imposed any restrictions, so every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any trickle modification, equivalent variations and modification that above embodiment did.

Claims

1. the bayonet cap shell structure of an improvement, it is characterized in that: include metal casing and be connected sheath body with plastics, this metal casing includes cylindrical shell, be connected in the annular upper wall of ora terminalis on this cylindrical shell and be connected in the shirt rim of ora terminalis under this cylindrical shell, and these plastics connect the annular upper wall place that sheath body system is injected and molded in this metal casing.

2. the bayonet cap shell structure of improvement according to claim 1 is characterized in that: further include an insulation division, this insulation division is connected in the upper end that aforementioned plastics connect sheath body.

3. the bayonet cap shell structure of improvement according to claim 1 is characterized in that: the upper end that described plastics connect sheath body is provided with for holding the open slot of establishing nail catcher, and its quantity is two.