JP6060038B2 - Straight tube type LED lamp fixture, straight tube type LED lamp, and lighting fixture equipped with these - Google Patents

Description

  The present invention relates to a straight tube type LED lamp fixture, a straight tube type LED lamp, and a straight tube type LED lamp for preventing erroneous attachment to a lamp socket of a straight tube type LED lamp and a straight tube type fluorescent lamp other than a dedicated straight tube LED lamp It is related with the lighting fixture provided with.

  In recent years, LED lamps that consume less power than conventional fluorescent lamps have been used. As the LED lamp, in particular, a straight tube type with little difference in appearance from a fluorescent lamp has been widely used as an alternative to the fluorescent lamp. Various fixing methods for lighting fixtures have also been proposed for the purpose of preventing the straight LED lamp from falling and reducing vibrations (see, for example, Patent Documents 1 to 3 below).

Utility Model Registration No. 3167942 JP 2004-127881 A JP 2004-158403 A

  However, in the conventional fixing methods disclosed in Patent Documents 1 to 3, the straight tube LED lamp can be easily removed and replaced like a fluorescent lamp, but the dedicated straight tube LED lamp is simply structured. When used as a substitute for a conventional fluorescent lamp or a straight tube LED lamp that is compatible with a fluorescent lamp, the lighting circuit is incompatible with the lighting device and the straight tube LED lamp or the straight tube fluorescent lamp. May cause problems such as damage to the lamp or burning of the lighting fixture.

  In such a case, the user can easily replace the dedicated straight tube LED lamp while ensuring the convenience, but the straight tube LED lamp or the straight tube fluorescent lamp other than the dedicated straight tube LED lamp is incorrectly installed. It is important to devise the mounting structure so that it is not possible.

  The present invention solves the above-mentioned problems caused by the prior art, and prevents the erroneous installation of the straight tube type LED lamp or straight tube type fluorescent lamp other than the dedicated straight tube type LED lamp to the lamp socket. It is an object of the present invention to provide a straight tube LED lamp fixture, a straight tube LED lamp, and a lighting fixture including these, which can ensure reliability by promoting use in various combinations.

  The straight tube LED lamp fixture according to the present invention is mounted on a lamp socket to which a straight tube LED lamp is mounted, and the lamp socket of the straight tube LED lamp and the straight tube fluorescent lamp other than the dedicated straight tube LED lamp. A straight tube type LED lamp fixture for preventing erroneous attachment to a socket adapter, which is attached to cover the lamp socket, and is provided in the socket adapter, and the socket adapter is attached to the lamp socket A fixing means for fixing the state so as not to be releasable by a user, and the socket adapter has a lamp terminal having a smaller diameter than a step portion formed at a base portion of an end portion of the LED lamp body of the dedicated straight tube LED lamp. The tip of the base that extends in a cylindrical shape on the side is detachably connected to the lamp socket covered with the socket adapter, and the front Mouthpiece tip dedicated straight tube LED lamp other than straight tube LED lamps and straight-tube fluorescent lamp is characterized by having a regulating body for regulating from being inserted into the lamp socket.

  In an embodiment of the present invention, the fixing means includes an engaging portion that engages with a part of the lamp socket, and the engaging portion together with a part of the lamp socket cannot be removed once engaged. A one-way engagement structure is provided.

  In another embodiment of the present invention, the socket adapter has a piece that fits into a groove provided in the step when the base end is connected to the lamp socket.

  A lighting fixture according to the present invention includes a straight tube LED lamp, a fixture body having a lamp socket to which the straight tube LED lamp is attached, and a straight tube type other than a dedicated straight tube LED lamp mounted on the lamp socket. A straight tube type LED lamp fixture for preventing erroneous attachment of the LED lamp and the straight tube type fluorescent lamp to the lamp socket, wherein the straight tube type LED lamp is a The straight tube type LED lamp fixture includes the stepped portion formed in the base portion of the end portion, and the tip portion of the base that is smaller in diameter than the stepped portion and extends in a cylindrical shape toward the lamp terminal. A socket adapter that is attached to cover the socket adapter, and a fixed adapter that is provided on the socket adapter so that a user cannot fix the mounting state of the socket adapter to the lamp socket. And the socket adapter removably connects the base end of the dedicated straight tube LED lamp to a lamp socket covered with the socket adapter, and other than the dedicated straight tube LED lamp. The straight tube type LED lamp and the straight tube type fluorescent lamp have a restricting body for restricting insertion of the tip end portion of the cap into the lamp socket.

  In one embodiment of the present invention, the fixing means of the straight tube LED lamp fixture includes an engaging portion that engages with a part of the lamp socket, and the engaging portion is a part of the lamp socket. A one-way engagement structure that cannot be removed once engaged together with the portion.

  In another embodiment of the present invention, the socket adapter has a piece that fits into a groove provided in the step when the base end is connected to the lamp socket.

  A straight tube LED lamp according to the present invention is a straight tube LED lamp attached to a lamp socket via the straight tube LED lamp fixture described above, and includes a straight tube LED lamp body and the LED lamp. A step part formed in a base part at an end of the main body, and a base end part that is smaller in diameter than the step part and extends in a cylindrical shape toward the lamp terminal, and the base end part is the straight tube LED lamp It is characterized in that it is detachably connected to the lamp socket on which the fixture is mounted.

  In one embodiment of the present invention, the step formed in the base part is fitted with a piece provided in the straight tube LED lamp fixture when the base end part is connected to the lamp socket. Has a groove.

  According to the present invention, the use of an appropriate combination is promoted by surely preventing erroneous installation of a straight tube type LED lamp other than a dedicated straight tube type LED lamp and a straight tube type fluorescent lamp to the lamp socket. Reliability can be ensured.

It is a perspective view which shows the lighting fixture with which the straight tube | pipe type LED lamp fixture which concerns on the 1st Embodiment of this invention was mounted | worn with the lamp socket, and the straight tube | pipe type LED lamp attached to this. It is a perspective view which shows the edge part of the straight tube | pipe type LED lamp which concerns on the same embodiment. It is a perspective view which shows the lamp socket with which the straight tube | pipe type LED lamp fixture which concerns on the embodiment was mounted | worn. It is a perspective view which shows the straight tube | pipe type LED lamp fixture which concerns on the embodiment, and the lamp socket to which this is attached. It is sectional drawing which shows the state which attached the straight tube | pipe type LED lamp which concerns on the same embodiment to the lamp socket via the straight tube | pipe type LED lamp fixture. It is sectional drawing which shows a mode that it is going to attach the conventional general purpose straight tube | pipe type LED lamp to the lamp socket with which the straight tube | pipe type LED lamp fixture which concerns on the same embodiment was mounted | worn. It is a perspective view which shows the lighting fixture with which the straight tube | pipe type LED lamp fixture which concerns on the 2nd Embodiment of this invention was mounted | worn with the lamp socket. It is a perspective view which shows the lamp socket with which the straight tube | pipe type LED lamp fixture which concerns on the embodiment was mounted | worn. It is a perspective view which shows the straight tube | pipe type LED lamp fixture which concerns on the embodiment, and the lamp socket to which this is attached. It is sectional drawing which shows the state which attached the straight tube | pipe type LED lamp to the lamp socket via the straight tube | pipe type LED lamp fixture which concerns on the embodiment. It is sectional drawing which shows a mode that it is going to attach the conventional general purpose straight tube | pipe type LED lamp to the lamp socket with which the straight tube | pipe type LED lamp fixture which concerns on the same embodiment was mounted | worn. It is a perspective view which shows the lighting fixture with which the straight tube | pipe type LED lamp fixture which concerns on the 3rd Embodiment of this invention was mounted | worn with the lamp socket. It is a perspective view which shows the lamp socket with which the straight tube | pipe type LED lamp fixture which concerns on the embodiment was mounted | worn. It is a perspective view which shows the straight tube | pipe type LED lamp fixture which concerns on the embodiment, and the lamp socket to which this is attached. It is sectional drawing which shows the state which attached the straight tube | pipe type LED lamp to the lamp socket via the straight tube | pipe type LED lamp fixture which concerns on the embodiment. It is sectional drawing which shows a mode that it is going to attach the conventional general purpose straight tube | pipe type LED lamp to the lamp socket with which the straight tube | pipe type LED lamp fixture which concerns on the same embodiment was mounted | worn.

  Hereinafter, with reference to the attached drawings, a straight tube LED lamp fixture, a straight tube LED lamp, and a lighting fixture including these according to an embodiment of the present invention will be described in detail.

[First Embodiment]
FIG. 1 is a perspective view showing a lighting fixture in which a straight tube LED lamp fixture according to a first embodiment of the present invention is mounted on a lamp socket and a straight tube LED lamp attached to the lighting fixture. 2 is a perspective view showing an end portion of the straight tube type LED lamp, FIG. 3 is a perspective view showing a lamp socket to which the straight tube type LED lamp fixture is mounted, and FIG. It is a perspective view which shows a tool and the lamp socket to which this is attached.

  Furthermore, FIG. 5 is a cross-sectional view showing a state in which a straight tube LED lamp is attached to a lamp socket via a straight tube LED lamp fixture. FIG. 5 shows an A-A ′ cross section along the line A-A ′ in FIG. 3. First, with reference to FIGS. 1-5, the straight tube | pipe type LED lamp fixture, the straight tube | pipe type LED lamp, and lighting fixture which concern on the 1st Embodiment of this invention are demonstrated.

  As shown in FIG. 1, a lighting fixture 100 according to the first embodiment includes a long fixture body 101 having a rectangular cross section, for example, and a straight tube shape attached to the lower portion of the fixture body 101 along the longitudinal direction. The LED lamp 10 is provided. Moreover, the lighting fixture 100 is provided so that it may each protrude below the longitudinal direction both ends of the fixture main body 101, and is provided with the lamp socket 20 to which the straight tube | pipe type LED lamp 10 is attached.

  Further, the luminaire 100 is mounted on the lamp socket 20 so as to cover the lamp socket 20, and the straight tube LED lamp fixture 1 for preventing erroneous attachment of the lamps other than the straight tube LED lamp 10 to the lamp socket 20 is provided. I have. In addition, the fixture main body 101 and the lamp socket 20 of the lighting fixture 100 can be comprised with the fixture main body and the lamp socket of the existing general structure. The straight tube LED lamp 10 is a dedicated straight tube LED lamp manufactured so as to be compatible with the instrument body 101.

  The straight tube LED lamp 10 includes, for example, a long round bar-shaped LED lamp main body 11 and a base portion 12 provided at each end of the LED lamp main body 11. In the LED lamp main body 11 and the base part 12, a power supply circuit (not shown) including a power supply board having, for example, an LED board and a fuse board is built.

  The base part 12 of the straight tube type LED lamp 10 is different from a general base part as follows. That is, as shown in FIG. 2, the base part 12 has a base part 15 connected to the end part of the LED lamp body 11, and an outer side of the base part 15 on the tip side of the base part 15. A step portion 13 having an outer diameter smaller than the diameter, thereby forming a predetermined step, and a cap tip portion 14 having a smaller diameter than the step portion 13 and formed in a cylindrical shape toward the lamp terminal 11a side. Is provided.

  The stepped portion 13 is, for example, attached by screwing a member formed separately from the base end portion 15 and the base end portion 14 to the base end portion 15 near the LED lamp body 11 on the outer peripheral side of the base end portion 14. Is provided. In addition, in a part of the stepped portion 13 in the first embodiment, for example, when the straight tube LED lamp 10 is attached to the lamp socket 20, the positioning used for positioning with the straight tube LED lamp fixture 1 is used. A groove 13a is formed. The lamp terminals 11 a are provided so as to protrude, for example, two in parallel from the distal end side of the base distal end portion 14.

  The lamp socket 20 is provided in the fixture main body 101 so as to face the base portions 12 at both ends of the straight tube LED lamp 10. The lamp socket 20 is attached to, for example, the instrument main body 101 by connecting a lamp terminal 11 a provided on the distal end side of the base distal end portion 14 and a terminal insertion hole 21 a of the socket portion 21 which is a part of the lamp socket 20. A power supply terminal (not shown) is connected to a power supply circuit or the like built in the straight tube LED lamp 10.

  The socket portion 21 of the lamp socket 20 has a structure that can be moved forward and backward in the axial direction of the straight tube LED lamp 10 to be attached, for example, with respect to the lamp socket 20. The socket part 21 is always urged in a direction protruding from the lamp socket 20 side by an elastic body such as a spring (not shown) incorporated in the lamp socket 20, for example.

  On the other hand, as shown in FIGS. 3 and 4, the straight tube type LED lamp fixture 1 is formed of a resin molded member made of, for example, polycarbonate, polyamide or the like having a heat resistant temperature of 80 ° C. or more. The straight tube type LED lamp fixture 1 is provided on the socket adapter 2 so as to cover the lamp socket 20 and the socket adapter 2 so that the user cannot release the mounting state of the socket adapter 2 to the lamp socket 20. And an engaging portion 6 constituting fixing means for fixing.

  As shown in FIG. 5, the engaging portion 6 has a protrusion that engages with a socket back surface 20 a that is a part of the lamp socket 20. With no one-way engagement structure. Further, the socket adapter 2 removably connects the base end portion 14 of the straight tube LED lamp 10 to the lamp socket 20 covered with the socket adapter 2.

  Specifically, in the first embodiment, the socket adapter 2 forms an insertion space 3 in which the base end portion 14 is inserted in the axial direction of the straight tube type LED lamp 10 so as to be able to advance and retreat toward the lamp socket 20 side. Arc-shaped regulating body 4 and a plurality of engaging pieces 7. The insertion space 3 has an annular space diameter formed so as to draw a circle passing through the annular peripheral surface 4a of the arc-shaped regulating body 4 and the distal end portion of the engagement piece 7 than the outer diameter of the base end portion 14. It is a space formed to be slightly larger.

  As described above, since the space diameter of the insertion space 3 is larger than the outer diameter of the base end portion 14, the base end portion 14 can pass through the insertion space 3 toward the lamp socket 20 movably. The arc-shaped restricting body 4 interferes with the lamp and restricts the mounting when a lamp other than the dedicated straight tube LED lamp is to be mounted.

  Further, the annular front end surface 4b of the restricting body 4 is inserted into the insertion space 3 by a predetermined amount or more, for example, the front end surface 13b of the stepped portion 13 accompanying the insertion operation of the base end portion 14 into the insertion space 3. If it is touched. That is, the annular front end surface 4b of the restricting body 4 restricts the movement of the step portion 13 toward the lamp socket 20 side.

  The restricting body 4 is provided with a plate-like positioning projection 5 which is a piece formed so as to protrude in the direction of the straight tube LED lamp 10 from the annular front end surface 4b at the upper center, for example. The positioning projection 5 is provided so as to be fitted into the positioning groove 13 a formed in the step portion 13 described above when the base end portion 14 is inserted into the insertion space 3.

  The base end portion 6 a of the restricting body 4 is in contact with the distal end portion on the outer peripheral side of the socket portion 21 of the lamp socket 20 and constitutes a part of the fixing means together with the engaging portion 6. Therefore, the socket adapter 2 is temporarily engaged with the lamp socket 20 by the engaging portion 6 and the base end portion 6a together with a portion (not shown) that contacts the upper surface 20b and the side surface 20c (see FIG. 4) of the lamp socket 20. Then it will be installed in a non-removable manner.

  The luminaire 100 according to the first embodiment includes a straight tube LED lamp 10 provided with a base part 12 having a step part 13 and a base end part 14 configured as described above, a regulating body 4 and an insertion space. And the straight tube type LED lamp fixture 1 having the socket adapter 2 having 3, the lamp socket 20 to which the socket adapter 2 is mounted when the straight tube type LED lamp 10 is mounted as shown in FIG. On the other hand, the straight tube LED lamp 10 can be moved in the axial direction to connect the tip end portion 14 to the socket portion 21 through the insertion space 3.

  On the contrary, when the straight tube LED lamp 10 is removed, the straight tube LED lamp 10 may be moved in the axial direction opposite to that at the time of attachment and the base end portion 14 may be extracted from the insertion space 3. Therefore, in the luminaire 100, the straight tube LED lamp 10 can be reliably positioned and attached, and can be easily removed, so that the convenience of replacement is maintained as before. can do.

  On the other hand, as shown in FIG. 6 showing a state in which a conventional general-purpose straight tube LED lamp L is to be attached to the lamp socket 20 to which the straight tube LED lamp fixture 1 is mounted, the straight tube LED lamp fixture 1 is shown. When a conventional general-purpose straight tube LED lamp L is to be attached to the lamp socket 20 to which the general-purpose straight tube LED is mounted, before the lamp terminal La is connected in the terminal insertion hole 21a of the socket portion 21, The tip of the base portion B of the lamp L comes into contact with the tip of the positioning protrusion 5 provided on the restriction body 4 of the socket adapter 2.

  Accordingly, since the base part B cannot pass through the insertion space 3, the general-purpose straight tube LED lamp L having the base part B having a normal shape cannot be attached to the lamp socket 20. Therefore, the lighting fixture 100 realizes a structure in which a general-purpose straight tube LED lamp L that is an incompatible combination with the fixture main body 101 cannot be used.

  Thus, according to the luminaire 100 according to the first embodiment, the convenience that the straight tube type LED lamp 10 of the combination suitable for the fixture body 101 can be easily replaced by the user is ensured. On the other hand, a combination that is incompatible with the instrument main body 101 such as the general-purpose straight tube LED lamp L cannot be attached and used. For this reason, it is possible to reliably prevent the lamp socket other than the dedicated straight tube LED lamp from being erroneously attached to the lamp socket, and it is possible to ensure the reliability by promoting the use in an appropriate combination.

[Second Embodiment]
FIG. 7 is a perspective view showing a lighting fixture in which a straight tube type LED lamp fixture according to a second embodiment of the present invention is mounted on a lamp socket. FIG. 8 is a perspective view showing a lamp socket to which a straight tube type LED lamp fixture is mounted, and FIG. 9 is a perspective view showing a straight tube type LED lamp fixture and a lamp socket to which this is attached.

  Further, FIG. 10 is a cross-sectional view showing a state in which the straight tube LED lamp is attached to the lamp socket via the straight tube LED lamp fixture. In the following, it is assumed that the same reference numerals are attached to portions that overlap the already described portions and the description is omitted. As shown in FIGS. 7 to 10, the lighting fixture 100 </ b> A according to the second embodiment has the same basic structure and configuration as the lighting fixture 100 according to the first embodiment.

  That is, the luminaire 100A includes a straight tube LED lamp 10A (see FIG. 10) having a base end portion 14 in which a step portion 13 is formed in the base portion 12 in the same manner as the straight tube LED lamp 10, and the straight tube shape. A straight tube LED lamp fixture 1A for attaching the LED lamp 10A to the lamp socket 20 is provided. These details are different from those of the first embodiment.

  As shown in FIG. 7, a lighting fixture 100A according to the second embodiment includes a fixture main body 102 in which a concave lamp accommodating portion 103 for accommodating a straight tube LED lamp 10A is formed. The straight tube LED lamp 10 </ b> A is attached to the instrument main body 102 in a state of being accommodated in the concave space of the lamp accommodating portion 103. The lamp sockets 20 are respectively provided on the end surfaces in the longitudinal direction of the lamp housing portion 103 of the instrument main body 102.

  As shown in FIGS. 8 and 9, the straight tube LED lamp fixture 1 </ b> A has a socket adapter 2 </ b> A with a lower part cut out. The socket adapter 2A is configured to include engagement pieces 8a and 8b that are formed so as to be fitted to the upper surface 20b of the lamp socket 20 and the side surface 20c continuing from the upper surface 20b. Further, the socket adapter 2 </ b> A includes a plurality of pins 8 d that fit into mounting holes 20 d formed in the lower part of the lamp socket 20 in the vicinity of the notched portion.

  An engaging claw portion 8c that fits into a recess (not shown) formed on the upper surface 20b of the lamp socket 20, for example, is provided on the surface of the engaging piece 8a of the socket adapter 2A that faces the upper surface 20b of the lamp socket 20. Is formed. The socket adapter 2A engages the engaging claw portion 8c with the recess by fitting the engaging pieces 8a and 8b into the upper surface 20b and the side surface 20c while fitting the pin 8d into the mounting hole 20d from below with respect to the lamp socket 20. By doing so, the non-removable engagement structure as described above is realized.

  Furthermore, the socket adapter 2A includes an arc-shaped regulating body 4 that forms a mounting space 3a for mounting the base end portion 14 of the straight tube LED lamp 10A from below. This restricting body 4 restricts the movement of the stepped portion 13 of the straight tube type LED lamp 10A toward the lamp socket 20 in the same manner as described above.

  The lamp socket 20 includes a socket portion 21 having a terminal insertion slit 21b continuous with a slit portion 20e formed so as to open downward and toward the straight tube LED lamp 10A. The socket part 21 is provided in the lamp socket 20 so as to be rotatable about the axis of the straight tube LED lamp 10A.

  In the luminaire 100A according to the second embodiment configured as described above, when the straight tube LED lamp 10A is attached to the lamp socket 20, as shown in FIGS. 9 and 10, the lamp terminal 11a has a slit portion 20e. The straight tube type LED lamp 10A is moved from the lower side to the upper side of the appliance main body 102 so as to fit in the terminal insertion slit 21b.

  And the lamp terminal 11a and a power supply terminal etc. are connected by rotating the socket part 21 by rotating straight tube | pipe type LED lamp 10A. For removal, the reverse procedure of attachment is performed. Since the restricting body 4 of the socket adapter 2A has a curved inner peripheral surface 4c along the outer periphery of the base end portion 14, it can be attached and removed by rotating the base end portion 14 while contacting the restricting body 4. It can be easily performed.

  On the other hand, as shown in FIG. 11 showing a state in which a conventional general-purpose straight tube LED lamp L is to be attached to the lamp socket 20 to which the straight tube LED lamp fixture 1A is mounted, as shown in FIG. If a general-purpose straight tube LED lamp L is attached from below to the lamp socket 20 to which is attached, the base B will hit the restricting body 4 so that the lamp terminal La passes through the mounting space 3a below the restricting body 4. Even if it does, it does not completely fit into the slit portion 20e or the terminal insertion slit 21b. Thus, also in the lighting fixture 100A according to the second embodiment, it is possible to achieve the same operational effects as the lighting fixture 100 according to the first embodiment.

[Third Embodiment]
FIG. 12 is a perspective view showing a lighting fixture in which a straight tube type LED lamp fixture according to a third embodiment of the present invention is mounted on a lamp socket. FIG. 13 is a perspective view showing a lamp socket to which a straight tube type LED lamp fixture is mounted, and FIG. 14 is a perspective view showing a straight tube type LED lamp fixture and a lamp socket to which this is attached.

  Further, FIG. 15 is a cross-sectional view showing a state in which a straight tube LED lamp is attached to a lamp socket via a straight tube LED lamp fixture. As shown in FIGS. 12 to 15, a lighting fixture 100B according to the third embodiment includes a fixture body 101 of the lighting fixture 100 according to the first embodiment and a lamp socket of the lighting fixture 100A according to the second embodiment. 20 and a straight tube LED lamp 10A are combined, but the basic structure and configuration are the same as those of the lighting fixtures 100 and 100A.

  That is, the luminaire 100B includes a straight tube LED lamp 10A (see FIG. 15) and a straight tube LED lamp fixture 1B for attaching the straight tube LED lamp 10A to the lamp socket 20. As shown in FIGS. 13 and 14, the straight tube LED lamp fixture 1 </ b> B has a socket adapter 2 </ b> B in which a plurality of slits 9 are formed.

  The socket adapter 2 </ b> B has a structure that is easily elastically deformed by the slits 9 when mounted on the lamp socket 20. As shown in FIG. 15, the socket adapter 2 </ b> B is engaged with the socket rear surface 20 a of the lamp socket 20 by the engaging portion 6 and has the above-described non-removable engaging structure.

  Further, the socket adapter 2B includes an arc-shaped restricting body 4 that forms a mounting space 3a for mounting the base end portion 14 of the straight tube LED lamp 10A from below. This restricting body 4 restricts the movement of the stepped portion 13 of the straight tube type LED lamp 10A toward the lamp socket 20 in the same manner as described above.

  The lamp socket 20 includes a socket portion 21 having a terminal insertion slit 21b continuous with a slit portion 20e formed so as to open downward and in the direction of the straight tube LED lamp 10A, and protruding into the mounting space 3a. ing. As described above, the socket portion 21 is provided in the lamp socket 20 so as to be partially rotatable.

  In the luminaire 100B according to the third embodiment configured as described above, when the straight tube LED lamp 10A is attached to the lamp socket 20, as shown in FIGS. 14 and 15, the lamp terminal 11a has a slit portion 20e. The straight tube-type LED lamp 10A is moved from the lower side to the upper side of the appliance main body 101 so as to fit in the terminal insertion slit 21b.

  And the lamp terminal 11a and a power supply terminal etc. are connected by rotating the socket part 21 by rotating straight tube | pipe type LED lamp 10A. For removal, the reverse procedure of attachment is performed. Since the restricting body 4 of the socket adapter 2B has a curved inner peripheral surface 4c along the outer periphery of the base end portion 14, it can be attached and detached by rotating the base end portion 14 while contacting the restricting body 4. It can be easily performed.

  On the other hand, as shown in FIG. 16 showing a state in which a conventional general-purpose straight tube LED lamp L is to be attached to the lamp socket 20 to which the straight tube LED lamp fixture 1B is mounted, the straight tube LED lamp fixture 1B. If the general-purpose straight tube LED lamp L is attached from below to the lamp socket 20 to which the lamp is mounted, the base part B hits the restricting body 4, so that the lamp terminal La becomes the slit part 20e and the terminal insertion slit 21b. It won't fit completely. Thus, also in the lighting fixture 100B which concerns on 3rd Embodiment, it becomes possible to show | play the effect similar to the lighting fixtures 100 and 100A which concern on 1st and 2nd embodiment.

DESCRIPTION OF SYMBOLS 1,1A, 1B Straight tube | pipe type LED lamp fixture 2,2A, 2B Socket adapter 3 Insertion space 3a Mounting space 4 Control body 4a Annular peripheral surface 4b Annular tip surface 5 Positioning protrusion 6 Engagement part 6a Base end part 7, 8a , 8b Engagement piece 9 Slit 10, 10A Straight tube type LED lamp 11 LED lamp body 11a Lamp terminal 12 Base part 13 Step part 13a Positioning groove part 13b End face 14 Base end part 20 Lamp socket 21 Socket part 101, 102 Instrument body 100 lighting equipment

Claims (8)

A straight tube type LED that is mounted on a lamp socket to which a straight tube type LED lamp is mounted, and prevents incorrect installation of the straight tube type LED lamp other than the dedicated straight tube type LED lamp and the straight tube type fluorescent lamp to the lamp socket. A lamp fixture,
A socket adapter attached to cover the lamp socket;
A fixing means provided on the socket adapter, and fixed to the lamp socket so as not to be releasable by a user when the socket adapter is mounted on the lamp socket;
The socket adapter has a base end portion that is smaller in diameter than a step portion formed in the base portion of the end portion of the LED lamp body of the dedicated straight tube LED lamp and that extends in a tubular shape toward the lamp terminal side. A regulation for removably connecting to a covered lamp socket and for restricting insertion of a straight tube type LED lamp other than the dedicated straight tube type LED lamp and a base end portion of a straight tube type fluorescent lamp into the lamp socket. A straight tube type LED lamp fixture characterized by having a body. The fixing means includes an engaging portion that engages with a part of the lamp socket,
The straight tube type LED lamp fixture according to claim 1, wherein the engaging portion includes a part of the lamp socket and a one-way engaging structure that cannot be removed once engaged. The straight tube type LED lamp according to claim 1 or 2, wherein the socket adapter has a piece that fits into a groove provided in the step when the tip of the base is connected to the lamp socket. Mounting tool. Straight tube LED lamp,
An instrument body having a lamp socket to which the straight tube LED lamp is attached;
A straight tube type LED lamp attached to the lamp socket and a straight tube type LED lamp other than a dedicated straight tube type LED lamp, and a straight tube type LED lamp fixture for preventing erroneous attachment of the straight tube type fluorescent lamp to the lamp socket. A lighting fixture,
The straight tube type LED lamp is
A step portion formed in the base portion of the end portion of the LED lamp body, and a base end portion that is smaller in diameter than the step portion and extends in a cylindrical shape toward the lamp terminal;
The straight tube LED lamp fixture is:
A socket adapter attached so as to cover the lamp socket, and a fixing means provided on the socket adapter and fixed so that a user cannot unmount the mounting state of the socket adapter to the lamp socket;
The socket adapter removably connects the base end of the dedicated straight tube LED lamp to a lamp socket covered with the socket adapter, and a straight tube LED lamp other than the dedicated straight tube LED lamp. And a restricting body that restricts insertion of the distal end portion of the cap of the straight tube fluorescent lamp into the lamp socket. The fixing means of the straight tube type LED lamp fixture comprises an engaging portion that engages with a part of the lamp socket,
The lighting apparatus according to claim 4, wherein the engagement portion includes a part of the lamp socket and a one-way engagement structure that cannot be removed once the lamp socket is engaged. The lighting fixture according to claim 4 or 5, wherein the socket adapter has a piece that fits into a groove provided in the step when the tip of the base is connected to the lamp socket. A straight tube LED lamp attached to the lamp socket via the straight tube LED lamp fixture according to claim 1 or 2,
A straight tube LED lamp body,
A stepped portion formed in a base portion at an end of the LED lamp body;
A base end that is smaller in diameter than the stepped portion and extends in a cylindrical shape toward the lamp terminal,
The straight tube type LED lamp, wherein the base end portion is detachably connected to the lamp socket on which the straight tube type LED lamp fixture is mounted. The step part formed in the base part has a groove part into which a piece part provided in the straight tube type LED lamp fitting is fitted when the base end part of the base is connected to the lamp socket. Item 8. A straight tube LED lamp according to item 7.

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