JP3788893B2 - Lamp socket and luminaire - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a lamp socket and a lighting fixture.
[0002]
[Prior art]
The conventional compact fluorescent lamp socket is a contact type of the lamp pin, and the lamp pin position in the lamp mounting state and the position of the conductive member are not aligned, so the balance is poor and the contact is unstable.
[0003]
In addition, the contact method that squeezes the lamp pin is stable in contact with the lamp pin, but because of the arrangement of the wire release hole of the conductive member and the quick connection terminal provided on this, the lamp socket has a large size Has been used.
[0004]
[Problems to be solved by the invention]
Accordingly, an object of the present invention is to provide a lamp socket and a lighting fixture that have a conductive member that holds and holds the lamp pin in order to stabilize the contact of the lamp pin and can be miniaturized.
[0005]
[Means for Solving the Problems]
The lamp socket according to claim 1, wherein four lamp pins (2) projecting around the lamp shaft (T) of the lamp base (3 ) are inserted and rotated around the lamp shaft (T) , A lamp socket in which the lamp pin (2) is individually brought into contact with four conductive members (1a to 1d) to mount a lamp;
The conductive member (1 a to 1 d) are both substantially U-shaped comprising a pair of side pieces (20a, 20c) and the pair of side pieces (20a, 20c) central piece for connecting the (20b), the The pair of side pieces (20a, 20c) has a pair of holding pieces (21a, 21b) that extend outward from the ends adjacent to the central piece (20b ) and hold the lamp pin (2) therebetween. And
A pair (1a, 1c) of the conductive members ( 1a to 1d) is an end of the pair of side pieces (20a, 20c) opposite to the central piece (20b) of one side piece (20c). more said central piece and (20b) with the conductive strips extending in opposite directions (20d), said pair of holding pieces (21a, 21b) opposite the central piece from the end of the conductive piece (20d) (20b ) and a bent a plate portion (24) on the side, which has to form a wire insertion portion (25) and lock piece (26) to said plate portion (24), the lamp connecting state of the lamp The pair of clamping pieces (21a, 21b) are arranged so as to be point-symmetric with respect to the axis (T) , and follow the rotation locus of the lamp pin (2) about the lamp axis (T). It said conductive piece (20d) is the lamp axis than said central piece (20b) or (T) with Disposed away,
The other pair (1b, 1d) of the conductive members ( 1a-1d) is opposite to the central piece (20b) of the other side piece (20a) of the pair of side pieces (20a, 20c) . wherein the end portion central piece and (20b) and the conductive strips extending in opposite directions, the pair of pinching pieces (21a, 21b) of the conductive strips and folded to the central piece (20b) side of the opposite end A bent plate portion, and an electric wire insertion portion (25) and a locking piece (26) are formed on the plate portion, and are point-symmetric with respect to the lamp axis (T) when the lamp is mounted. The lamp pin (2) is rotated between the pair of conductive members (1a, 1c) and the pair of clamping pieces (21a, 21b) about the lamp shaft (T). the lamp axis than said conductive strips the central piece together along the path (20b) from (T) away It is characterized in that disposed so that.
[0006]
According to the lamp socket of the first aspect, it is possible to make the size equal to that of the conventional butt-type lamp socket while changing the contact of the lamp pin to the swallow type.
[0007]
A lamp socket according to a second aspect is the lamp socket according to the first aspect, wherein the electric wire insertion portion is arranged at the center of the end portion of the plate portion and is aligned with one of the lamp pins arranged in the lamp mounting state.
[0008]
According to the lamp socket of the second aspect, in addition to the same effect as the first aspect, since the lamp and the lamp socket can be made parallel when the lamp is mounted, the appearance is improved and the design of the apparatus is facilitated. Become.
[0009]
A lamp socket according to a third aspect of the present invention is the lamp socket according to the first aspect, wherein the arrangement angle between a pair of the conductive members arranged symmetrically with respect to the lamp axis and another pair is different.
[0010]
According to the lamp socket of the third aspect, in addition to the effect similar to that of the first aspect, the conductive member housing portion of the lamp socket can be reduced, so that the socket mounting portion of the fixture can be reduced and the lighting fixture can be downsized. .
[0011]
The lamp socket according to claim 4 is the lamp socket according to claim 3, wherein the angle of the direction of the U-shape of the conductive member is perpendicular to both the longitudinal direction of the lamp cap and the protruding direction of the lamp pin. The conductive member is inclined at about 45 degrees, and the other pair of conductive members is inclined at about 26 degrees.
[0012]
According to the lamp socket of the fourth aspect, in addition to the same effect as the third aspect, the lamp pin can be held well after the lamp is mounted, and the storage space for the conductive member is minimized.
[0013]
The lamp socket according to claim 5 is the lamp socket according to claim 1, wherein the distance between the lamp pin holding positions and the distance between the electric wire insertion positions are different between the pair of conductive members and the other pair of conductive members. Is.
[0014]
According to the lamp socket of the fifth aspect, in addition to the same effect as that of the first aspect, since the electric wire is separated from the lamp pin, the electric wire is not easily affected by the heat of the lamp pin.
[0015]
The lamp socket according to claim 6 is the lamp socket according to claim 1 , wherein the side piece from which the conductive piece extends is provided with a wire release jig for the locking piece or a stopper for preventing excessive deformation due to insertion of the electric wire. is there.
[0016]
According to the lamp socket of the sixth aspect, in addition to the same effect as the first aspect, since the over-deformation prevention stopper portion of the quick connection terminal is provided on the conductive member, the quick connection terminal is inserted by inserting the electric wire releasing jig or the electric wire. The contact reliability is improved when the contact is deformed more than a certain degree, so that the terminal connection reliability is improved.
[0017]
The lighting fixture according to claim 7 has the lamp socket according to claim 1, claim 2, claim 3, claim 4, claim 5 or claim 6.
[0018]
According to the lighting fixture of Claim 7, there exists an effect similar to Claim 1, Claim 2, Claim 3, Claim 4, Claim 5 or Claim 6.
[0019]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of the present invention will be described with reference to FIGS. That is, this lamp socket is applied to a lighting fixture such as a fluorescent lamp fixture provided with a compact fluorescent lamp socket.
[0020]
FIG. 1 shows the bottom surface of the lamp socket, with the cover 13 removed and the conductive members 1a to 1d exposed from the bottom surface opening 13a. In this lamp socket, the lamp pin 2 protruding from the lamp base 3 is inserted from the front of the socket, and the lamp base 3 is rotated in the direction of the arrow about the lamp axis T to bring the lamp pin 2 into contact with the conductive members 1a to 1d. It is for mounting. The conductive members 1a to 1d are substantially U-shaped to sandwich and hold the lamp pin 2, and the U-shaped directions of the conductive members 1a to 1d are two types with respect to the rotation direction of the lamp pin 2. Each of the conductive members 1a to 1d is provided with a terminal, for example, a quick connection terminal 4. The conductive members 1a and 1c integrally have the quick connection terminal 4 on one side (left side) with respect to the direction of the U-shaped opening, whereas the conductive members 1b and 1d have the quick connection terminal 4 on the other side (right side). Have. In addition, the conductive members 1b and 1d are positioned so that the quick connection terminal 4 is shifted to the opening side with respect to the U-shaped portion of the conductive member than the conductive members 1a and 1c. The U-shaped opening directions of the conductive members 1a to 1d are arranged on the substantially circumference so as to extend along the circumferential direction. At this time, the U-shaped openings of the conductive members 1a and 1b face each other, and the U-shaped openings of the conductive members 1c and 1d. The openings are arranged so as to face each other. Reference numeral 30 denotes a conductive member storage portion of the lamp socket.
[0021]
FIG. 2 is a plan view showing the front side of the lamp socket. Four lamp pin insertion holes 6 such as arc-shaped elongated holes are arranged in the circumferential direction at the bottom of the peripheral wall 5 provided on the front surface of the lamp socket, and the conductive members 1a to 1d in the lamp socket face these. FIG. 2A shows a state in which the lamp pin cap 3 is inserted inside the peripheral wall 5, and the lamp pin 2 is at the position A. FIG. 2B shows a state in which the lamp base 3 is rotated about the lamp axis T by about 30 degrees from FIG. At this time, the lamp pin 2 is rotated to the position B, and is in contact with and held by all of the conductive members 1a to 1d. Reference numeral 7 denotes an L-shaped mounting groove, and a protrusion provided on the side surface of the lamp cap 3 is inserted into the mounting groove 7 and is rotated by turning as shown in FIG. Reference numeral 8 denotes a mounting hole for the lamp socket.
[0022]
FIG. 3 is a perspective view in which a lamp such as a fluorescent lamp 10 is mounted on the lamp socket 11.
[0023]
FIG. 4 is an exploded perspective view of FIG. The lamp socket 11 includes a resin socket body 12, a resin cover 13 that closes the bottom opening of the socket body 12, and conductive members 1a to 1d. The conductive members 1a to 1d are stored in the conductive member storage portion 30 of the socket body 12 through the bottom opening 13a, and the bottom opening 13a is closed with the cover 13 to hold and fix the conductive members 1a to 1d. Reference numeral 14 denotes a locking claw of the cover 13, which is locked in the locking hole 15 of the socket body 12 and attaches the cover 13 to the socket body 12. The cover 13 is formed with an electric wire insertion hole 18 for connecting an electric wire to the quick connection terminal 4 and an electric wire release hole 19 for releasing the connection of the quick connection terminal 4. Reference numeral 16 denotes a lamp fixing spring, which is attached to the inner end portion of the L-shaped mounting groove 7 of the socket body 12, and a protrusion 17 provided on the side surface of the lamp base 3 is inserted into the mounting groove 7 and rotated to thereby fix the fixing spring 16. Elastically locked to.
[0024]
FIG. 5 is a perspective view showing a configuration of the conductive member 1a, for example. The conductive member 1a has a quick connection terminal 4, and the electric wire insertion portion 25 of the quick connection terminal 4 is disposed at the center of the end of the substantially rectangular plate portion 24, and is located at the position of the lamp pin in the lamp mounted state as shown in FIG. It is the structure arranged so that it may line up. The conductive plate is bent into a substantially S-shape consisting of pieces 20a to 20e, and the opposing sandwiching pieces 21a and 21b are extended in the same direction from the side portions of the opposing pieces 20a and 20c. A tip guide portion 22a and a side guide portion 22b that are curved so as to warp each other and guide the insertion of the lamp pin 2 are formed. Further, a substantially rectangular plate portion 24 wider than the piece 20d is bent from the end opposite to the sandwiching pieces 21a and 21b from the piece 20d, and an electric wire insertion portion 25 (see FIG. 1) is formed in this, and the tip portion is A locking piece 26 that is folded back and faces the electric wire insertion portion 25 is formed. In this way, the stopper 27 for preventing over-deformation of the locking piece 26 of the quick connection terminal 4 is provided on the piece 20c which is a connecting portion between the sandwiching pieces 21a and 21b of the conductive member 1a and the quick connection terminal 4. That is, the stopper 27 is formed in a cutout shape at the end of the piece 20c facing the lock piece 26 so as not to obstruct the movement of the lock piece 26 and to prevent the lock piece 26 from being excessively deformed. The conductive member 1c is the same as the conductive member 1a, and the conductive members 1b and 1d are provided at positions where the quick connection terminals 4 are symmetrical with the conductive members 1a and 1c.
[0025]
FIG. 6 is a bottom view of the lamp socket with the cover 13 attached. As shown in the figure, the lamp pin holding position B after the lamp base 3 is inserted into the lamp socket and rotated is aligned with the electric wire insertion hole 18, and the electric wire insertion hole 18 is on one straight line in the direction in which the pair of lamp pins are arranged. Located so that they are aligned. In this case, between the pair of conductive members 1a and 1c and the other pair of conductive members 1b and 1d, the distance L1 between the lamp pin holding positions B and the distance L2 between the wire insertion positions, that is, the wire insertion holes 18, are as follows. Different. As a result, the longitudinal direction of the lamp cap 3, that is, the direction in which the protrusion 17 protrudes (FIG. 4) and the longitudinal direction of the socket body 12 become parallel to improve the appearance. Further, the electric wire connected through the electric wire insertion hole 18 is not affected by the heat of the lamp pin 2.
[0026]
FIG. 7 is the same as FIG. 1, but is orthogonal to the lamp shaft (lamp pin protruding direction) T of the conductive members 1 a and 1 b and the conductive members 1 c and 1 d and orthogonal to the longitudinal direction of the lamp cap 3 (projecting direction of the protrusion). This shows the arrangement angles Q1 and Q2 that are inclined with respect to the axis P. That is, in the conductive members 1a to 1d, the arrangement angle Q1 of the pair of conductive members 1a and 1c arranged symmetrically with respect to the lamp axis is different from the arrangement angle Q2 of the other pair of conductive members 1b and 1d. In the embodiment, the angle of the U-shaped direction of the conductive members 1a and 1c is a pair with respect to a direction perpendicular to both the longitudinal direction of the lamp cap 3 and the protruding direction of the lamp pin (lamp axis direction), that is, the axis P. The conductive members 1a and 1c are inclined at an angle Q1 of about 45 degrees, and the other pair of conductive members 1b and 1d are inclined at an angle Q2 of about 26 degrees. Further, the distance M2 between the center of the quick connection terminal 4 and the center between the pair of sandwiching pieces 21a and 21b as the lamp pin holding portion in the conductive members 1b and 1d arranged at an inclination of about 26 degrees is also arranged at an inclination of about 45 degrees. It becomes narrower than the distance M1 between the conductive members 1a and 1c.
[0027]
FIG. 8 shows prevention of over-deformation of the locking piece 26 when the locking piece 26 is released by the electric wire releasing jig 31. When the locking piece 26 is pushed open by the electric wire releasing jig 31, the locking piece 26 enters the notch-shaped stopper 27 as described with reference to FIG. 5, and the electric wire can be released. The piece 26 hits the stopper 27 to prevent further deformation, and as a result, excessive deformation is prevented. Further, even if the locking piece 26 is excessively deformed by inserting the electric wire, the stopper 27 prevents it.
[0028]
FIG. 9 shows a wall-mounted lighting fixture, in which a fixture main body 36 is attached to a wall 35, a lamp 38 is attached to a lamp socket 37 provided in the fixture main body 36, and the lamp 38 is covered with a globe 39 attached to the fixture main body 36. Reference numeral 40 denotes a packing.
[0029]
FIG. 10 shows a lamp socket in which the U-shaped orientations of the conductive members 1a to 1d of this embodiment (described in FIG. 1) are two types as shown in FIG. 1A, and a U-shaped as shown in FIG. A comparison of the width of the accommodation space with a lamp socket in which all the same conductive members 1a ′ to 1d ′ are arranged on the circumference in the same direction in the circumferential direction is shown. Whereas FIG. As is apparent from FIG. (A) has a conductive member 1a~1d are within the width H, (b) shows the conductive member 1b ', 1d' from quick connect terminal 4 width H of the It is sticking out. In FIG. 2B, the conductive members 1a ′ and 1b ′ and the conductive members 1c ′ and 1d ′ are too close to each other, so that the insulation distance cannot be secured. However, FIG. Separated by distance. As for the long hole-shaped wire release hole 19 (FIG. 6), FIG. 6A shows that the wire insertion hole 18 is located at the end of the cover 13 and the wire release hole 19 is located closer to the center than that. In FIG. 2B, the wire release hole 19 is positioned outside the wire insertion hole 18, so that the long hole-like wire release hole 19 is difficult to form and the space of the wire release hole 19 cannot be secured.
[0030]
FIG. 11 shows the structure of the quick connection terminal 4, and the substantially rectangular plate portion 24 is common, but the locking piece 26 provided for the plate portion 24 is bent into a substantially R shape in FIG. Fig. (D) shows an electric wire insertion portion cut and raised at the same time, Fig. (E) shows an electric wire cut or bent into a substantially V shape, and Fig. (F) shows an approximately U shape. FIG. 2B discloses an example in which the conductive member is substantially L-shaped and the side surfaces of the lamp pins 2 come into contact with each other.
[0031]
【The invention's effect】
According to the lamp socket of the first aspect, it is possible to make the size equal to that of the conventional butt-type lamp socket while changing the contact of the lamp pin to the swallow type.
[0032]
According to the lamp socket of the second aspect, in addition to the same effect as the first aspect, since the lamp and the lamp socket can be made parallel when the lamp is mounted, the appearance is improved and the design of the apparatus is easy. Become.
[0033]
According to the lamp socket of the third aspect, in addition to the effect similar to that of the first aspect, the conductive member housing portion of the lamp socket can be reduced, so that the socket mounting portion of the fixture can be reduced and the lighting fixture can be downsized. .
[0034]
According to the lamp socket of the fourth aspect, in addition to the same effect as the third aspect, the lamp pin can be held well after the lamp is mounted, and the storage space for the conductive member is minimized.
[0035]
According to the lamp socket of the fifth aspect, in addition to the same effect as that of the first aspect, the electric wire is separated from the lamp pin, so that the electric wire is not easily affected by the heat of the lamp pin.
[0036]
According to the lamp socket of the sixth aspect, in addition to the same effect as the second aspect, since the over-deformation preventing stopper portion of the quick connection terminal is provided on the conductive member, the quick connection terminal is inserted by inserting the electric wire releasing jig or the electric wire. The contact reliability is improved when the contact is deformed more than a certain degree, so that the terminal connection reliability is improved.
[0037]
According to the lighting fixture of Claim 7, there exists an effect similar to Claim 1, Claim 2, Claim 3, Claim 4, Claim 5 or Claim 6.
[Brief description of the drawings]
FIG. 1 is a bottom view of a lamp socket with a cover removed according to an embodiment of the present invention.
2A and 2B are plan views of a lamp socket, in which FIG. 2A shows a state in which a lamp base is inserted, and FIG. 2B shows a state in which the lamp base is rotated.
FIG. 3 is a perspective view of a lamp socket with a lamp mounted thereon.
FIG. 4 is an exploded perspective view.
FIG. 5 is a perspective view of one conductive member.
FIG. 6 is a bottom view showing the relationship between the electric wire insertion hole and the position of the mounted lamp pin.
FIG. 7 is a bottom view for explaining an arrangement angle of a conductive member.
FIG. 8 is a side view showing a stopper portion for unlocking the locking piece of the quick connection terminal.
FIG. 9 is an exploded perspective view of the lighting fixture.
10A is a bottom view of a lamp socket in which two kinds of U-shaped conductive members are arranged, and FIG. 10B is a lamp socket in which all the same U-shaped conductive members are arranged in the same circumferential direction. It is a bottom view.
FIGS. 11A and 11B show various embodiments of the quick connection terminal. FIGS. 11A and 11B are perspective views of the quick connection terminal provided on the conductive member, and FIGS. It is a partial side view which shows a structure.
[Explanation of symbols]
1a to 1d Conductive member 2 Lamp pin 3 Lamp base 4 Fast connection terminal T Lamp shaft 24 Rectangular plate portion 27 Stopper

Claims (7)

The four lamp pins (2) projecting around the lamp shaft (T) of the lamp base (3) are inserted and rotated about the lamp shaft (T) , so that the lamp pin (2) A lamp socket for individually attaching to the conductive members (1a to 1d) and mounting the lamp,
The conductive member (1 a to 1 d) are both substantially U-shaped comprising a pair of side pieces (20a, 20c) and the pair of side pieces (20a, 20c) central piece for connecting the (20b), the The pair of side pieces (20a, 20c) has a pair of holding pieces (21a, 21b) that extend outward from the ends adjacent to the central piece (20b ) and hold the lamp pin (2) therebetween. And
A pair (1a, 1c) of the conductive members ( 1a to 1d) is an end of the pair of side pieces (20a, 20c) opposite to the central piece (20b) of one side piece (20c). more said central piece and (20b) with the conductive strips extending in opposite directions (20d), said pair of holding pieces (21a, 21b) opposite the central piece from the end of the conductive piece (20d) (20b ) and a bent a plate portion (24) on the side, which has to form a wire insertion portion (25) and lock piece (26) to said plate portion (24), the lamp connecting state of the lamp The pair of clamping pieces (21a, 21b) are arranged so as to be point-symmetric with respect to the axis (T) , and follow the rotation locus of the lamp pin (2) about the lamp axis (T). It said conductive piece (20d) is the lamp axis than said central piece (20b) or (T) with Disposed away,
The other pair (1b, 1d) of the conductive members ( 1a-1d) is opposite to the central piece (20b) of the other side piece (20a) of the pair of side pieces (20a, 20c) . wherein the end portion central piece and (20b) and the conductive strips extending in opposite directions, the pair of pinching pieces (21a, 21b) of the conductive strips and folded to the central piece (20b) side of the opposite end A bent plate portion, and an electric wire insertion portion (25) and a locking piece (26) are formed on the plate portion, and are point-symmetric with respect to the lamp axis (T) when the lamp is mounted. The lamp pin (2) is rotated between the pair of conductive members (1a, 1c) and the pair of clamping pieces (21a, 21b) about the lamp shaft (T). the lamp axis than said conductive strips the central piece together along the path (20b) from (T) away Lamp socket, characterized in that disposed so that.  The lamp socket according to claim 1, wherein the electric wire insertion portion is arranged at a center of an end portion of the plate portion and is aligned with one side of a lamp pin arrangement direction in a lamp mounted state.  The lamp socket according to claim 1, wherein the conductive member has a different arrangement angle between a pair of the conductive member arranged point-symmetrically with respect to the lamp axis and another pair.  The angle of the U-shaped direction of the conductive member is inclined by about 45 degrees with respect to the pair of conductive members with respect to the direction perpendicular to both the longitudinal direction of the lamp cap and the protruding direction of the lamp pin, and the other pair The lamp socket according to claim 3, wherein the conductive member is inclined at about 26 degrees.  The lamp socket according to claim 3, wherein a distance between the lamp pin holding positions and a distance between the electric wire insertion positions are different between the pair of conductive members and the other pair of conductive members.  The lamp socket according to claim 1, wherein the side piece from which the conductive piece extends is provided with an electric wire releasing jig for the locking piece or a stopper for preventing excessive deformation due to insertion of the electric wire.  A luminaire having the lamp socket according to claim 1, 2, 3, 4, 5, or 6.

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