CN201549749U

CN201549749U - Back-out resistance switching lamp socket

Info

Publication number: CN201549749U
Application number: CN2009203167877U
Authority: CN
Inventors: 杨文和
Original assignee: Goldweal Far East Ltd
Current assignee: Goldweal Far East Ltd
Priority date: 2009-12-09
Filing date: 2009-12-09
Publication date: 2010-08-11
Anticipated expiration: 2019-12-09

Abstract

A back-out resistance switching lamp socket includes a top cover, a noumenon, a ring of ports and a bottom cap, the noumenon is provided with the ring of ports adapted to be connected with a screw lamp socket; the bottom cap is provided with a screw hole adapted to be connected with a clip foot type bulb. The top cover and the ring of ports are arranged on the noumenon in sequence, and the ring of ports is fixedly connected with the noumenon through rivets. The noumenon is provided with an anode contact piece and a cathode contact piece inside, and anode and cathode of the screw lamp-socket are switched to be connected with the anode and cathode of the clip foot type lamp-socket. A ring neck of the noumenon locks a flange of the top cover extending in a radial direction, and the contact surface is provided with a one-way lock structure so as to ensure the top cover to rotate anticlockwisely relative to the noumenon. The utility model is not only capable of implementing connection of the screw lamp-socket and the clip foot type bulb, but also capable of overcoming a defect that a switching lamp-socket is screwed out from a mother lamp-socket during a mounting process, and has advantages of convenient installation and shortcut disassembly and assembly, etc.

Description

The anti-Changeover campholder that screws out

Technical field

The utility model relates to a kind of Changeover campholder that the screw type lamp socket can be converted to the foot-stopping type lamp socket.

Background technology

The connected mode of lamp socket and lamp holder mainly contains screw type, foot-stopping type and mode such as buckled, and wherein the most commonly used at present is the connected mode of screw type and foot-stopping type.The screw type lamp socket is connected with bulb by screw thread, and the mode that foot-stopping type lamp socket and bulb adopt the fixing stitch of two spacings to snap in lamp socket is connected and fixed.General a kind of bulb can only be installed on the lamp socket of a kind of model and specification, when the bulb that is suitable for certain lamp socket damages, the bulb that must change same size just can, be very inconvenient for consumer especially domestic consumer, must could realize different model by a kind of adapter, the bulb of different size and the installation between the lamp socket.

The utility model content

The purpose of this utility model promptly provides and a kind ofly can be easily the bulb of different model and specification be installed in Changeover campholder on the lamp socket different with it, is meant a kind of adapter that the screw type lamp socket is converted to the foot-stopping type lamp socket especially.

Below describe the technical scheme that the utility model adopted in detail.

The anti-Changeover campholder that screws out comprises loam cake, body, mouthful circle and bottom, and it is cylindric that body is, top seal and convex a hollow cylinder arranged, and this cylinder extends downward chamber body, is provided with an electric conductor in this cylinder; The body bottom is extended with a flange radially outwardly from the edge.It is cylindric that described loam cake also is, and the external diameter of its internal diameter and described flange is suitable, and inwardly radially extend at its top place, and formation one has the ring neck of circular open, and this opening diameter is suitable for making loam cake to be inserted on the body, and ended at this ring neck place card by described flange.Bottom is circular tabular, and circle centre position is provided with a projection, is shaped on to this projection bilateral symmetry the hole that spins of inserting for the foot-stopping type bulb.

Be shaped on screw thread on the described mouthful circle, it is sheathed on body exterior, and fixedly connected by rivet, and to be reserved with a breach exposed outside for described cylinder at its top.Be provided with a unidirectional locking strutcture on described flange and the composition surface of encircling neck, be suitable for making loam cake to rotate counterclockwise with respect to body only.Described unidirectional locking strutcture specifically can be: the contact-making surface of described ring neck and flange is provided with ratchet, is provided with the thrust shell fragment accordingly on this contact-making surface of flange, at least two on described thrust shell fragment, by rivet on this contact-making surface.

Be provided with an anodal contact terminal and a negative pole contact terminal in body, anodal contact terminal one end has the arc bayonet socket and is fixed on the inner body wall, and the electric conductor in the other end and the described cylinder endoporus forms and is electrically connected.Negative pole contact terminal one end is fixed in inner body wall and has a bayonet socket, and the other end is electrically connected with the negative pole conducting ring, and the negative pole conducting ring forms with a mouthful circle by a rivet and is electrically connected.

After two card bases with the foot-stopping type bulb insert in two described holes that spin of bottoms, clockwise rotate this card base, promptly snap in respectively in the described bayonet socket of anodal contact terminal and negative pole contact terminal, and the electrical connection good with its formation.Because described mouthful is enclosed with mouthful circle (negative pole) of female lamp socket and is connected, and the negative pole contact terminal is electrically connected with described mouthful of circle formation, so a card base of bulb is electrically connected with the negative pole formation of female lamp socket.Anodal contact terminal forms with described electric conductor and is electrically connected, and this electric conductor extends to the described cylinder of bodies top, and this cylinder links to each other with the tongue piece (positive pole) of female lamp socket, therefore, another card base of bulb and the positive pole of female lamp socket form electrical connection, have realized the energising of bulb.

When packing the utility model into female lamp socket, by people's daily habits, the screw thread on its mouthful circle is right-handed thread normally, promptly must it could be anchored on female lamp socket clockwise.When packing the foot-stopping type bulb into the utility model, usually also must turn clockwise in the described bayonet socket that just card base of bulb can be embedded the utility model positive and negative electrode contact chip and realize its installing and locating, when promptly bulb being installed, the utility model can not screwed out female lamp socket.Damage or other situations need according to above-mentioned principle, need rotate counterclockwise bulb with bulb when Changeover campholder is pulled down at bulb, the hole just can spin the card base of bulb.If firmly excessive, or card base blocked tension, then mouthful circle may be screwed out female lamp socket.

Described unidirectional locking strutcture can avoid this phenomenon to take place.When bulb was installed, the bulb band the loam cake rotation, and loam cake can drive the body rotation by the unidirectional locking strutcture between itself and the body, and when the very moment circle was tightened on female lamp socket fully, the card base of bulb can snap in institute's art bayonet socket.During bulb dismounting, rotate counterclockwise loam cake, because unidirectional locking strutcture can not provide torsion for body, so the utility model can not screwed out female lamp socket.During bulb dismounting, rely on body and the tight fit of loam cake and the frictional force of thrust shell fragment and ratchet, the size of power is controlled at and can but be unlikely the scope that Changeover campholder is screwed out by bulb dismounting from female lamp socket, thereby bulb can be screwed out.

The utlity model has following advantage:

Common foot-stopping type bulb can be installed on the screw type lamp socket quickly and easily by the utility model, and both specifications can be different.In addition, the utility model also has the anti-function that screws out, and can prevent from when bulb dismounting its back-out to be brought inconvenience even potential safety hazard takes place.

Description of drawings

Fig. 1 is the utility model STRUCTURE DECOMPOSITION figure;

Fig. 2 is the utility model overall structure figure;

Fig. 3 is the vertical view after the utility model is pulled down bottom;

Fig. 4 is the utility model specific embodiment.

Wherein, 1, loam cake; 2, body; 3, Kou Quan; 4, bottom; 5, anodal contact chip; 6, negative pole contact chip; 7, negative pole conducting ring; 8, cylinder; 9, spring; 11, ratchet; 12, ring neck; 13, back-off groove; 21, flange; 22, thrust shell fragment; 41, projection; 42, the hole that spins; 51,61, bayonet socket; 70,80,81,90, rivet.

Embodiment

Below in conjunction with accompanying drawing and a preferred embodiment technical solutions of the utility model are further elaborated.

Referring to Fig. 1, shown in Figure 2, the utility model comprises loam cake 1, body 2, mouthful circle 3 and bottom 4, and body 2 is cylindric, top seal and convex a hollow cylinder 8 arranged, this cylinder 8 extends downward body 2 inner chambers, is provided with the length rivet suitable with it 70 in this cylinder 8.Body 2 bottoms are extended with a flange 21 radially outwardly from the edge.Described loam cake 1 also is cylindric, the external diameter of its internal diameter and described flange 21 is suitable, and inwardly radially extend at its top place, and formation one has the ring neck 12 of circular open, this opening diameter is suitable for making loam cake 1 to be inserted on the body 2, and is ended at this ring neck 12 places card by described flange 21.Bottom 4 is circular tabular, and circle centre position is provided with a projection 41, is shaped on to these projection 41 bilateral symmetry the hole 42 that spins of inserting for the foot-stopping type bulb.

Mouthful circle is shaped on screw thread on 3, and it is sheathed on body 2 outsides, and fixedly connected by rivet 80, and to be reserved with a breach exposed outside for described cylinder 8 at its top.Be provided with a unidirectional locking strutcture on described flange 21 and the composition surface of encircling neck 12, make loam cake 1 rotate counterclockwise with respect to body 2 only.Unidirectional locking strutcture described in the present embodiment is specifically: described ring neck 12 is provided with ratchet 11 with the contact-making surface of flange 21, on this contact-making surface of flange 21, be provided with thrust shell fragment 22 accordingly, described thrust shell fragment 22 is four, is riveted on this contact-making surface by rivet 90.

As Fig. 1, Fig. 3 and shown in Figure 4, in body 2, be provided with an anodal contact terminal 5 and a negative pole contact terminal 6, anodal contact terminal 5 one ends have arc bayonet socket 51 and are fixed on body 2 inwalls, electric conductor in the other end and described cylinder 8 endoporus forms and is electrically connected, and this electric conductor is a rivet 70.Negative pole contact terminal 6 one ends are fixed in body 2 inwalls and also have a bayonet socket 61, and the other end is electrically connected with negative pole conducting ring 7, and negative pole conducting ring 7 forms with mouthful circle 3 by rivet 81 and is electrically connected.

Below introduce assembling process of the present utility model and operation principle thereof in detail.

Thrust shell fragment 22 is riveted on the corresponding site of described flange 21 with rivet 90 earlier, also riveting is good in the endoporus with the described cylinder 8 of rivet 70 insertions then, and it can not be deviate from.Then a loam cake 1 and a mouthful circle 3 are inserted on the body 2 successively, can form unidirectional locking strutcture with described thrust shell fragment 22 with ratchet 11 is correct installation direction.With short rivet 80 mouth circle 3 is riveted on the body 2, the rivet hole that 81 in long rivet passes body 2 top correspondences is inserted in body 2 inner chambers, and described negative pole conducting ring is the figure of eight, and it is set on the described cylinder 8, and the other end is riveted on the described rivet 81.Then anodal contact chip 5, negative pole contact chip 6 are installed in the body 2 successively, anodal thread tension disc 5 is pushed against on rivet 70, negative pole thread tension disc 6 keeps well contacting with negative pole conducting ring 7, during with loam cake 1 relative rotation, negative pole thread tension disc 6 also can remain status of electrically connecting with negative pole conducting ring 7 at body 2.At last, spring 9 is contained on the described projection 41 of bottom 4, bottom 4 is pressed in the loam cake 1, both are fastenedly connected by the made back-off groove 13 of loam cake 1 inwall, and anodal contact chip is pressed between spring and the rivet 70.This has promptly finished assembling of the present utility model.

When the utility model is packed the female lamp socket of E26 type into, because the right-handed thread normally of the screw thread on mouthful circle 3 promptly must could be anchored on it on female lamp socket clockwise.When packing GU24 type foot-stopping type bulb into the utility model, usually also must turn clockwise in the described bayonet socket 51,61 that just card base of bulb can be embedded the utility model positive and negative electrode contact chip and realize its installing and locating, when promptly bulb being installed, the utility model can not screwed out the female lamp socket of E26 type.Damage or other situations need according to above-mentioned principle, need rotate counterclockwise bulb with bulb when Changeover campholder is pulled down at bulb, hole 42 just can spin the card base of bulb.If firmly excessive, or card base blocked tension, then mouthful circle 3 may be screwed out the female lamp sockets of E26 types.

Described unidirectional locking strutcture can avoid the utility model to be screwed out female lamp socket.When GU24 type bulb is installed, the bulb band loam cake 1 rotation, loam cake 1 can drive body 2 rotations by the unidirectional locking strutcture between itself and the body 2, and very moment circle 3 is tightened in the time of can not being rotated further on female lamp socket fully, and the card base of bulb can snap in institute's art bayonet socket 51,61.During bulb dismounting, rotate counterclockwise loam cake 1,,, promptly realized anti-back-out function of the present utility model so the utility model can not screwed out the female lamp socket of E26 type because unidirectional locking strutcture can not provide torsion for body 2.During bulb dismounting, rely on body and the tight fit of loam cake and the frictional force of thrust shell fragment and ratchet, the size of power is controlled at and can but be unlikely the scope that Changeover campholder is screwed out by bulb dismounting from female lamp socket, just bulb can be pulled down.

In sum, the utility model not only can be realized being connected between screw lamp-socket and the foot-stopping type bulb, more can avoid in installation process, and Changeover campholder is screwed out the drawback of female lamp socket, and it is easy for installation to have a bulb, the advantage such as dismounting is quick.

Claims

1. the anti-Changeover campholder that screws out comprises loam cake, body, mouthful circle and bottom, and it is cylindric that body is, top seal and convex a hollow cylinder arranged, and this cylinder extends downward chamber body, and is provided with an electric conductor in this cylinder; The body bottom is extended with a flange radially outwardly from the edge; It is cylindric that described loam cake also is, and the external diameter of its internal diameter and described flange is suitable, and inwardly radially extend at its top place, and formation one has the ring neck of circular open, and this opening diameter is suitable for making loam cake to be inserted on the body, and ended at this ring neck place card by described flange; Described bottom is circular tabular, and circle centre position is provided with a projection, is shaped on to this projection bilateral symmetry the hole that spins of inserting for the foot-stopping type bulb, it is characterized in that:

Described mouthful of snare is located at body exterior, and fixedly connected by rivet, and the Kou Quan top is reserved with a breach and exposes outside for described cylinder; Be provided with a unidirectional locking strutcture on described flange and the composition surface of encircling neck, be suitable for making loam cake to rotate counterclockwise with respect to body only;

Be provided with an anodal contact terminal and a negative pole contact terminal in body, anodal contact terminal one end has the arc bayonet socket and is fixed on the inner body wall, and the electric conductor in the other end and the described cylinder endoporus forms and is electrically connected; Negative pole contact terminal one end is fixed in inner body wall and has a bayonet socket, and the other end is electrically connected with the negative pole conducting ring, and the negative pole conducting ring forms with a mouthful circle by a rivet and is electrically connected.

2. anti-back-out Changeover campholder as claimed in claim 1 is characterized in that, described unidirectional locking strutcture is specially: the contact-making surface of described ring neck and flange is provided with ratchet, is provided with the thrust shell fragment accordingly on this contact-making surface of flange.