CN2184276Y

CN2184276Y - Lampholder for Christmas colour lamps

Info

Publication number: CN2184276Y
Application number: CN 94202329
Authority: CN
Inventors: 郑玉定; 庄德村
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-01-12
Filing date: 1994-01-12
Publication date: 1994-11-30
Anticipated expiration: 2004-01-12

Abstract

The utility model relates to a lampholder for Christmas colour lamps. Both sides of the bottom in the lampholder are provided with strengthening ribs which are provided with an anode conducting strip and a cathode conducting strip, so the length of the cathode conducting strip which extends into the lampholder is shortened to avoid being diverted by bulbs to bend. The anode conducting strip is arranged at the bottom outside the lampholder, and the end part of the anode conducting strip is provided with a sliver body with a triangular plate. An insertion plate which bends downwards is arranged at the side edge of the triangular plate, and the sliver body has an arc convex part which is bent downwards. The arc convex part is sheathed into a through hole in the center of the bottom and is exposed out of the inner part of the lampholder by using the insertion plate being inserted in a slot hole on the side edge of the external bottom surface of the lampholder, and the bottom of the lampholder contacts the arc convex part. Both opposite sides in the lampholder are provided with fixing sheets with convex particles to make the bulb firmly matched with the lampholder.

Description

Lampholder for Christmas colour lamps

The utility model relates to a kind of program lamp socket, and particularly a kind of Christmas light socket refers to a kind ofly make the positive and negative electrode conducting strip can contact consequently to be short-circuited because of the assembling bulb is improper to form the Christmas light socket of electricity consumption disaster especially.

Christmas lamp is the inevitable at Christmas a large amount of decorative lamps that use of American-European personage, and also gradually there is the trend of using Christmas lights in Asian countries.The main characteristic of Christmas lamp is to do to contact and the decorative lamp of formation bunchiness with electric wire, cooperates predefined circuit, makes the bulb of various different colors or shape make the action of dodging the light of turning off the light.As shown in Figure 4, the structure of known Christmas lamp is nothing more than being provided with cathode conductive film A and cathode conductive film 24 in lamp socket 2 inside, and the outer bottom of lamp socket 2 is provided with distribution trough, and the distribution trough both sides are provided with slotted eye 26, for cathode conductive film A and cathode conductive film 24 upper ends inserting and protruding.Cathode conductive film A and cathode conductive film 24 upper ends all form hypotenuse A1, electric wire can be inserted in the distribution trough whereby, and suppress, so can utilize the hypotenuse A1 of cathode conductive film and cathode conductive film 24 to cut wire outer skin, the plain conductor of electric wire inside is contacted with hypotenuse A1 and conduct electricity.Subsequently outside on the bottom cover fixed head 3 with securing electric lines.In addition, establish a protuberance 25, and the part that cathode conductive film A stretches into lamp socket 2 inside is bent with near protuberance 25 at the inner bottom surface of lamp socket 2.It is spiral helicine tube face 41 that the bottom of bulb 4 has the outside made from conducting metal, in the time of in tube face screws in lamp socket 2, the bottom of tube face contacts with cathode conductive film A, and the side of tube face then contacts with cathode conductive film 24, makes its formation current path and lights bulb 4.For making the tube face side can touch cathode conductive film 24 really, this cathode conductive film all makes longer; And because of general Christmas light socket is all made with plastic material, therefore after bulb was switched on a period of time, because the thermal expansion cause, tube face 41 produced the phenomenon that gets loose with the spiro union portion branch of lamp socket 2, and accidentally bulb just can come off.So, in order to improve this shortcoming, be that protruding grain 241 is set on 24 of cathode conductive films traditionally, whereby when tube face 41 screws in the lamp sockets 2, the threaded recess that makes tube face 41 with should protruding cooperate and fix tube face 41, make its difficult disengaging.As shown in Figure 5, because cathode conductive film 24 length of this known Christmas light socket are longer, so when tube face 41 screws in the lamp socket 2, may be because the bad or misoperation of product itself makes the end of tube face can block this cathode conductive film, when continuing to screw in, can make cathode conductive film 24 bendings and touch cathode conductive film A, burn thereby form short circuit, make the Electrical Safety red light light, this is had necessity of being improved in fact.

Main purpose of the present utility model is to provide a kind of Christmas light socket, make its cathode conductive film shorter, and cathode conductive film protrudes into central authorities in the lamp socket by the lamp socket outer bottom, and be provided with ribs in the inner both sides of lamp socket, do the reinforcement compacting with anticathode conducting strip and cathode conductive film, when making it in tube face screws in lamp socket, can not make cathode conductive film be subjected to clip and the crooked cathode conductive film that consequently touches, thereby improve electrical safety.

Of the present utility model time a purpose is to provide a kind of Christmas light socket, this lamp socket inside is established the stator with protruding grain in addition, so as to when tube face screws in the lamp socket, make this protruding grain snap in the threaded recess of tube face, make that tube face can not come off when the lamp socket thermal expansion.

Other purposes of the present utility model and function can from done in conjunction with the accompanying drawings further specify understood in more detail.But the following stated for explaining preferred embodiment of the present utility model, is not to restriction of the present utility model only.

Fig. 1 is the three-dimensional exploded view that each parts of the utility model are formed;

Fig. 2 reaches the three-dimensional exploded view of assembling with stator for lamp socket internal structure of the present utility model;

Fig. 3 is the section plan after the utility model assembling;

Fig. 4 is the section plan of known Christmas light socket;

Fig. 5 resists the crooked section plan that touches behind the cathode conductive film for the cathode conductive film of known Christmas light socket is subjected to tube face.

Each label is among the figure:

1 cathode conductive film; 27 ribs;

11 triangular plates; 28 conduits;

12 plates; 3 cover plates;

13 arc protuberances; 31 barbs;

2 lamp sockets; 4 bulbs;

21 distribution troughs; 41 tube faces;

22 through holes; 5 electric wires;

23 slotted eyes; 6 stators;

24 cathode conductive films; 61 protruding grains;

241 protruding grains; 62 prominent hooks;

25 protuberances; The A cathode conductive film.

26 slotted eyes;

As shown in Figure 1, preferred embodiment of the present utility model comprises lamp socket 2, is located at cathode conductive film 1 and cathode conductive film 24, cover plate 3 and bulb 4 in the lamp socket 2.Wherein the outer bottom of lamp socket 2 is provided with distribution trough 21, distribution trough 21 two ends are respectively equipped with for cathode conductive film 24 and pass slotted eye that stretches into lamp socket 2 inside and the nonpenerative slotted eye 23 that inserts for cathode conductive film 1, and be provided with a through hole 22, and be provided with button hole for barb 31 insertions of cover plate 3 in the in addition relative both sides of distribution trough 21 in distribution trough 21 centre.The upper end of cathode conductive film 1 and cathode conductive film 24 all forms hypotenuse, its inner wire is contacted with hypotenuse and conducts electricity in order to insert distribution trough 21 at electric wire 5 and to cut electric wire 5 crusts by this hypotenuse when being suppressed.After electric wire 5 configuration, borrow cover plate 3 that it is covered.Be provided with side hook 31 below the cover plate 3, can buckle in the lamp socket 2 default button holes in order to when covering lamp socket 2 bottoms, to make barb 31, thereby electric wire 5 is fixed in the distribution trough 21.

Cooperate shown in Figure 3 again, in the preferred embodiment of Christmas light socket of the present utility model, be positioned at the sidewall locations place that desire is provided with cathode conductive film 24 and cathode conductive film 1 in lamp socket 2 inside, have and the integrated ribs 27 of lamp socket 2 bodies, bottom and sidewall are coupled together, the slotted eye length of installing cathode conductive film 24 is extended, shortened, so can significantly lower in screw-in chance with cathode conductive film 24 bendings during tube face 41 so in fact stretch into the cathode conductive film length of lamp socket 2 inside.Have again, cathode conductive film 1 is that conductive sheet metal is made elongate body, and an end of this elongate body is converted into to being the triangular plate 11 of vertical dihedral, and be provided with the plate 12 that separates with the upstanding portion of triangular plate 11 in the erection part office of triangular plate 11, upwards bending of triangular plate 11, plate 12 is bending downwards then, and the suitable part of elongate body molds crooked arc protuberance 13 downwards simultaneously.Insert plate 12 in the slotted eye 23 of lamp socket 2 outer bottom sides in the compression fit mode, at this moment 13 of arc protuberances are inserted in the set through hole 22 of lamp socket 2 bottom centre and are exposed by lamp socket 2 inside, thereby make tube face 41 when screwing in lamp socket 2, its bottom can contact with arc protuberance 13, the side of tube face 41 then contacts with cathode conductive film 24, to form current path.When cover plate 3 is fixed electric wire 5, also cathode conductive film 1 is suppressed, therefore the more known lamp socket of its fixed effect is good, it has elasticity preferably, be difficult for producing elastic fatigue and distortion, and because of itself and cathode conductive film 24 distances are far away, thus difficult contacting with each other and situation of short circuit, thus increased the fail safe of electricity consumption.And for example shown in Figure 2, for after making tube face 41 in screwing in lamp socket 2 not expanded by heating influence and come off, preferred embodiment of the present utility model is to have offered two relative conduits 28 on the sidewall in lamp socket 2, other is provided with the stator 6 corresponding to conduit 28 width, the face of stator 6 is provided with protruding grain 61, both sides then are provided with prominent hook 62, after stator 6 is pressed into along conduit 28, be stuck in conduit 28 madial walls and fix by prominent hook 62, therefore when tube face 41 screws in the lamp socket 2, its threaded recess engages with protruding grain 61 and fixes tube face 41, even it still can be combined with lamp socket 2 and can not come off after lamp socket 2 expands, can guarantee its fail safe.

By the above as can be known, the utlity model has practical value.

Claims

A kind of Christmas light socket comprises the cathode conductive film that can contact with a tube face side that screws in of being located at the lamp socket madial wall, and is located at the cathode conductive film that can contact with the tube face bottom of lamp socket inner bottom part, it is characterized in that:

Lamp socket inner bottom part both sides have a slotted eye that runs through and a nonpenerative slotted eye respectively, and the madial wall of this two slotted eyes position is provided with ribs, and this ribs is attached at described madial wall and inner bottom part place; The lamp socket bottom center has a through hole; In the described slotted eye that runs through, place described cathode conductive film, and in described nonpenerative slotted eye, place described cathode conductive film by the outside; Described cathode conductive film is the elongate body that the end has triangular plate, and a plate of downward bending is arranged at the side of this triangular plate; This elongate body has reclinate arc protuberance, and this arc protuberance inserts at described plate and defaults in the slotted eye of lamp socket outer bottom side and when being inserted in the through hole of described lamp socket bottom center, be exposed to lamp socket inside, makes it and can contact with the bottom of tube face; The madial wall of lamp socket is provided with conduit, and other is provided with has protruding grain and dual-side has the stator of prominent hook on the face, and this stator is fixed in the described conduit, so that bulb cooperates with described lamp socket is more firm.