CN2372551Y

CN2372551Y - Lamp holder

Info

Publication number: CN2372551Y
Application number: CN 99203834
Authority: CN
Inventors: 杨惠光
Original assignee: 3e Hong Kong Co ltd
Current assignee: 3e Hong Kong Co ltd
Priority date: 1999-03-29
Filing date: 1999-03-29
Publication date: 2000-04-05
Anticipated expiration: 2009-03-29

Abstract

The utility model relates to a lamp holder, which is suitable for a short cylindrical light bulb, and an electricity connecting end of a lamp cap of the short cylindrical light bulb is a scheduled and fixed size. The utility model comprises a shell, a spring, power supply lines of metal strips, a cover and rivets, wherein, the two power supply lines are respectively connected with one end of the two metal strips and are arranged on a scheduled position arranged in the shell, the metal strips are arranged on a scheduled position arranged in the shell by the elastic force of the spring, the position is arranged on the outer part of the metal strips, two notches are arranged on the cover for leading the power supply lines from the points of the two notches, the cover is connected with the shell in a rivet connection mode, the top and bottom parts of the metal strips are bended, and the structure of the metal strips forms U-shaped. When the light bulb is assembled, the light bulb with the structure has the advantages of steady, electrical contact area increase and reliable electrifying performance.

Description

Bulb socket

The utility model relates to a kind of light fixture articles for use, particularly relates to a kind of bulb socket.

Light fixture is more and more diversified, the form of bulb also increases gradually, and the syndeton of lamp holder of bulb (power connection end) and bulb socket is except that thick a chain for binding criminals line structure connects, also utilize plug-in type lamp holder and corresponding bulb socket, after two power connection end of lamp holder insert bulb socket, rotate a few degrees again, just blocked, and contact with bonding jumper in the bulb socket, one drag switch, bulb has been lighted in the bonding jumper energising.Two power connection end of this lamp holder are short cylindrical shape, bonding jumper in the bulb socket is the flat narrow bonding jumper of upright dress, spring is equipped with in narrow bonding jumper back, short cylindrical shape power connection end inserts bulb socket and turns to when blocking again, its part face of cylinder contacts with bonding jumper under the compressing of the elastic force of spring, in this way after being inserted in bulb, because of still having diastema between lamp holder short cylindrical pin and the lamp socket, it is loosening easily to make bulb, be easy to generate loose contact, the increase contact-making surface is the ten minutes needs to guarantee that bulb firmly reaches the good bulb socket that contacts.

The purpose of this utility model is to provide a kind of bulb socket, be specially adapted for two bulbs that power connection end is a short cylindrical shape of lamp holder, this bulb socket can have the contact-making surface more than an orientation with power connection end of described lamp holder, increases contact area, guarantees excellent electric contact.

The purpose of this utility model is to realize like this, a kind of bulb socket, be applicable to that lamp holder power connection end is the short cylindrical shape bulb of pre-determined constant size, include a shell, spring, bonding jumper power line, lid, rivet, wherein, two power lines respectively connect an end of two bonding jumpers, are placed into precalculated position in the shell, spring makes bonding jumper be placed in precalculated position in the shell with being subjected to its elastic force, this position is in the foreign side of bonding jumper, cover two with power line from its breach of drawing, and this lid is connected in the riveted joint mode with a seat shell, bonding jumper is that bending is arranged up and down, is that mouthful word lacks structure on one side.

The structure that bonding jumper is had bending along its long limit edge increase up and down, be mouthful word and lack structure on one side, can form three at most and contact, increased the steadiness after bulb is inserted in the terminal of lamp holder, and also increase the energising contact area simultaneously, guaranteed good electrical contact.

The advantage of the utility model device is that it can firmly fix bulb, and bulb is no longer shaken, can be not flickering, and can not cause bulb life to shorten owing to shaking.

Below in conjunction with accompanying drawing, describe embodiment of the present utility model in detail, wherein:

Fig. 1 a and Fig. 1 b are the shape key diagrams of existing bonding jumper;

Fig. 2 a and Fig. 2 b are the bonding jumper shape key diagrams in the utility model bulb socket;

Fig. 3 is the composition key diagram of each parts of the utility model bulb socket;

Fig. 4 is the physical presentation statement figure after each parts of the utility model bulb socket assemble;

Fig. 5 is the situation key diagram of the utility model bulb socket after loading onto bulb.

Consult Fig. 1 a and Fig. 1 b, with the shape of two views demonstration prior art bonding jumpers, Fig. 1 a is a front view, and Fig. 1 b is a left view, and the dotted line among Fig. 1 a is inwardly to roll the incision site that encases power supply lead wire from this cut-out.Fig. 1 a and Fig. 1 b are clear to be illustrated, and it is a narrow flat metal bar, this just slab construction, and making can only have contacting of small part with the short cylindrical terminal of lamp holder.

Consult Fig. 2 a and Fig. 2 b, show the bonding jumper shape that adopts in the utility model bulb socket with two views, promptly Fig. 2 a is that front view and Fig. 2 b are left view.For convenience of description, set up coordinate system, adopt three-dimensional cartesian coordinate system, the bidimensional among Fig. 2 a is the X-axis of level and vertical Z axle, the height of representing narrow bonding jumper with Z, represent the length of horizontal direction with X, Fig. 2 b is the left view of Fig. 2 a, and bonding jumper shown in the figure is that bending is arranged up and down, the mouth word lacks structure on one side, therefore the square shape that is the right opening represents the size that bonding jumper folds along last lower edge to the right with Y, and Fig. 2 b is the two-dimension sizes of Y-Z.

Shown in Fig. 2 a, bonding jumper increase of the present utility model has bending and breach, mark mark position with letter, AO is the height of bonding jumper, between BC, all have breach up and down, can bend bonding jumper easily, the degree of depth of breach is approximate to be to arrive the bending place, CD is the bending part of top, PM is following bending part, among Fig. 2 a, all be outside paper, to bend, the many breach in top, between DG, breach is approximate between the degree of depth and BC, represent it is to cut to be used for the position of entrainment power cable at the downward dotted line of H and I place, A to J is the total length of sheet metal, following bending part PM is slightly longer than the bending part CD of top, height Z2 at the FM position of the ED position of top flanging and bottom flanging between up and down is greater than the height Z1 between CD position and the PE position, this is that the short cylindrical shape terminal of lamp holder for convenience inserts from the right left, and promptly the size of Z2 is slightly larger than the thickness of short cylindrical shape terminal, and the size of Z1, should equate with the thickness of short cylindrical shape terminal, bending part just in time all can be contacted and up and down with the upper and lower surfaces of short cylindrical shape terminal with its clamping.Like this, just have at least upper and lower surfaces clamp short cylindrical shape terminal, or even three faces all contact the short cylindrical terminal.This point is seen clearlyer in Fig. 2 b, and the width of top flanging CD is Y1, and the width of bottom flanging PM is Y ₂, Y in this example ₂Greater than Y ₁, that is, and the bending broad of top, following bending is narrower, and this structure makes the short cylindrical terminal of lamp holder enter position between the bonding jumper C to E of bulb socket more conveniently, obtains best contact.

Consult Fig. 3, Fig. 3 is the composition of each parts of the utility model bulb socket and mutual alignment and the key diagram how to assemble.This bulb socket includes a shell 6, spring 5, bonding jumper 4, power line 3, lid 2, rivet 1, wherein, two power lines 3 respectively connect an end of two bonding jumpers 4, are placed into precalculated position in the shell 6, spring 5 is placed in precalculated position in the shell 6, and this position heads on bonding jumper in the foreign side of bonding jumper 4, make bonding jumper 4 be subjected to the elastic force of spring 5, lid has two breach on 2, power line 3 is drawn from indentation, there, and will cover 2 shells, 6 riveted joint modes with rivet 4 and connect.Consult Fig. 4, Fig. 4 is an outline drawing of finishing the bulb socket of the present utility model after the riveted joint.Bulb is the below that is positioned on this bulb socket, inserts the back rotation from the below upward and promptly installs.Can only see a shell 6 among this figure, rivet 1 and power line 3, these two power lines will be connected with the power line that electric light is supplied in the locality.

Consult Fig. 5, Fig. 5 is the state of bulb socket of the present utility model when loading onto bulb, for clear inner structure, removed lid 2, like this, just seen bonding jumper 4 power line 3 of ining succession, spring 5 heads on bonding jumper 4 in the outside of bonding jumper 4, each parts is all installed the precalculated position of present shell 6, particularly, can see two terminals 9 that insert bulb socket of the lamp holder 8 of bulb 7 among this figure, terminal is short cylindrical shape, three of this terminals contact with bonding jumper 4, contact area increases a lot than the bulb socket of prior art, guaranteed good electrical contact, also clearly among the figure sees a kind of bulb that this bulb socket is suitable for and the lamp holder profile of this bulb.

Bulb socket of the present utility model is compared with existing technology, although only changed this part of bonding jumper Structure, but this is the critical component that is electrically connected, the improvement of these parts makes whole bulb socket reliable Property has improved major step, is the more excellent product of performance of this class bulb socket.

Claims

1. bulb socket, be applicable to that lamp holder power connection end is the short cylindrical shape bulb of pre-determined constant size, include a shell, spring, the bonding jumper power line, lid, rivet, wherein, two power lines respectively connect an end of two bonding jumpers, are placed into precalculated position in the shell, and spring makes bonding jumper be placed in precalculated position in the shell with being subjected to its elastic force, this position is in the foreign side of bonding jumper, cover two with power line from its breach of drawing, and this lid with the seat shell be connected in the riveted joint mode, it is characterized in that, bonding jumper (4) is that bending is arranged up and down, and mouthful word lacks structure on one side.

2. bulb socket as claimed in claim 1 is characterized in that, top flanging CD of its bonding jumper (4) and bottom flanging PM length are unequal, and PM is greater than CD.

3. bulb socket as claimed in claim 1 is characterized in that, the height Z2 between the ED position of the top flanging of its bonding jumper (4) and the FM position of bottom flanging is greater than the height Z1 between CE position and the PF position.

4. bulb socket as claimed in claim 1 is characterized in that, the width Y of the top flanging CD of its bonding jumper (4) ₁Greater than bottom flanging PM width Y ₂

5. bulb socket as claimed in claim 1 is characterized in that, its bonding jumper (4) also between BC top and the bottom have the breach that is beneficial to bending, between DG, have the breach that is beneficial to bending.

6. bulb socket as claimed in claim 1 is characterized in that, CE part of its bonding jumper (4) and the height Z1 between the PF part equal the thickness of the sub-short cylindrical of lamp holder power connection end.