WO2012100392A1 - Led fluorescent lamp - Google Patents

Led fluorescent lamp Download PDF

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Publication number
WO2012100392A1
WO2012100392A1 PCT/CN2011/001152 CN2011001152W WO2012100392A1 WO 2012100392 A1 WO2012100392 A1 WO 2012100392A1 CN 2011001152 W CN2011001152 W CN 2011001152W WO 2012100392 A1 WO2012100392 A1 WO 2012100392A1
Authority
WO
WIPO (PCT)
Prior art keywords
lamp
lamp body
end cover
disposed
cavity
Prior art date
Application number
PCT/CN2011/001152
Other languages
French (fr)
Chinese (zh)
Inventor
季丰
郑兆勇
林万炯
Original Assignee
宁波赛尔富电子有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 宁波赛尔富电子有限公司 filed Critical 宁波赛尔富电子有限公司
Publication of WO2012100392A1 publication Critical patent/WO2012100392A1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/03—Lighting devices intended for fixed installation of surface-mounted type
    • F21S8/031—Lighting devices intended for fixed installation of surface-mounted type the device consisting essentially only of a light source holder with an exposed light source, e.g. a fluorescent tube
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/0075—Fastening of light sources or lamp holders of tubular light sources, e.g. ring-shaped fluorescent light sources
    • F21V19/008—Fastening of light sources or lamp holders of tubular light sources, e.g. ring-shaped fluorescent light sources of straight tubular light sources, e.g. straight fluorescent tubes, soffit lamps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the invention relates to a luminaire, in particular to an LED fluorescent lamp. Background technique
  • the traditional fluorescent lamp is illuminated by fluorescent light.
  • the fluorescent lamp can emit light along the outer circumference of the lamp.
  • the fluorescent lamp and the lamp are usually fixedly connected.
  • the pin on the lamp head is needed. Electrical connection is made by inserting into the socket in the socket.
  • LED light source has many advantages such as energy saving, environmental protection, long service life, etc. People began to use LED light source instead of fluorescent light, but the light source part of LED light tube is mostly flat, which can only emit light in one direction, while the traditional lamp holder and lamp holder The structure is fixedly connected and cannot meet the adjustment requirements for different illumination directions.
  • a lampable rotatable LED fluorescent tube discloses a lamp fluorescent lamp with a lamp head, which The LED light source and the heat sink are arranged. The LED light source is fixed on the heat sink through the substrate. The two ends of the heat sink are respectively provided with a lamp head, the lamp head is provided with a pin, the stator and the rotor are arranged between the lamp head and the heat sink, and the stator is fixed on the heat sink.
  • the lamp cap is fixed on the rotor, the rotor is mounted on the stator, and a rotation limiting mechanism and an elastic positioning mechanism are respectively disposed between the stator and the rotor.
  • the patent adjustment structure is complicated, and in addition to the rotating mechanism (including the stator and the rotor), there is also an elastic positioning structure that defines the rotation of the rotating mechanism, and the rotor is in the stator. After rotating a certain range, the rotor is fixed in the stator by the elastic positioning mechanism, and the external force is required to ensure the rotation of the rotor relative to the stator during operation, which is more laborious to operate; moreover, the lamp head of the patented LED tube is still used.
  • the pin structure realizes electrical conduction with the lamp holder. After a certain period of time, due to spring wear or failure of the elastic positioning structure, it is possible that the positioning post in the stator cannot fall into the positioning groove in the rotor, even if The LED tube is rotated to the proper illumination angle and there is no guarantee of a reliable connection between the lamp cap and the base.
  • the technical problem to be solved by the present invention is to provide an LED fluorescent lamp in which the rotation operation of the lamp cap is simple and the lamp cap is reliably positioned in view of the above-mentioned state of the art.
  • an LED fluorescent lamp comprising a lamp body, a lamp cap disposed at two ends of the lamp body, and a lamp holder connected to the lamp cap, wherein:
  • the end cover is fixedly connected to the two ends of the lamp body, and the fixing base is fixedly disposed in the lamp holder; wherein the end surface of the end cover is provided with a supply base a threading hole through which the electrode lead of the lamp body passes, and an end surface of the end cover is further provided with a limiting post protruding outward in a direction parallel to the axial direction, and an outer peripheral surface of the end cover is disposed along a direction parallel to the axis a slot that is spaced apart; the fixing seat is provided with a hole corresponding to the size of the end cover and penetrates in the axial direction of the fixing seat, and the end cover is received in the cavity and can rotate relative to each other.
  • the fixing seat is formed with an arc-shaped limiting slot on one end surface of the cavity, and the limiting post is disposed in the limiting slot and can be limited to the two ends of the limiting slot, the hole
  • the inner side surface of the cavity is further formed with a spring piece that can cooperate with the outer peripheral surface of the end cover, one end of the elastic piece is integrally connected with the inner side surface of the cavity, and the other end of the elastic piece is a free end, the elastic piece The free end of the free end is provided with a rib that can cooperate with the tooth groove.
  • the limiting groove is semicircular, and the limiting groove is formed on the upper half of the end surface of the cavity. . Therefore, after the LED lamp body is mounted on the lamp holder, the rotating LED lamp body can realize any adjustment of different illumination angles within a range of 180 degrees ( ⁇ 90 degrees), and, due to the rotation limit of the limit groove, the lamp body It can only rotate within 180 degrees to prevent the lamp body from rotating arbitrarily within 360 degrees, avoiding the lamp body from being knotted or broken due to the rotation of the lamp body over a large angle.
  • the two opposite outer side walls of the fixing seat are respectively provided with outwardly protruding chucks, and the inner side wall of the lamp holder is opened.
  • a card slot adapted to the card head.
  • the lamp body structure may further include: a lamp tube, a PCB board, an LED chip, and a collecting lens, wherein the LED chip is electrically connected to the PCB board,
  • the PCB board is disposed in the lamp tube, and the concentrating lens is disposed at a front portion of the PCB board and connected to the lamp tube.
  • the top of the lamp tube is provided with a slot disposed along the length direction, the PCB board is received in the slot, and the lamp tube is inserted in the slot Grooves are respectively formed on the opposite side walls of the groove, and the two sides of the condensing lens are respectively embedded in the corresponding grooves.
  • the lamp body is prevented from coming out of the end cover when the lamp body is rotated.
  • the end cover has an opening corresponding to the cross-sectional size of the lamp body, and the inner side wall of the opening There are also a plurality of ribs that are tightly fitted to the outer side walls of the outer casing.
  • the invention has the advantages that: the structure of the end cover and the fixing seat cooperates to realize the rotation of the lamp body relative to the lamp holder, and the end cover and the fixing seat can be directly rotated and matched, and no additional elastic reset mechanism is needed.
  • the structure is simpler, and the cooperation between the tooth groove on the outer peripheral surface of the end cover and the ridge on the fixed seat spring can generate a certain friction force, so that the lamp body connected with the end cover can be fixed after rotating at any angle with respect to the fixed seat.
  • the limit groove provided on the fixing seat can limit the maximum angle of the end cover relative to the fixed seat, when the limit column on the end cover is respectively limited When the two ends of the bit groove are offset, the angle at which the lamp body turns is When reaching the limit position, it can facilitate the rapid positioning of the illumination direction of the lamp body.
  • the lamp body can only rotate within 180 degrees, preventing the lamp body from rotating arbitrarily within 360 degrees, avoiding the lamp. The body is rotated too far and the electrode leads are knotted or torn.
  • FIG. 1 is an exploded perspective view of an embodiment of the present invention.
  • FIG. 2 is a schematic structural view of a fixing base according to an embodiment of the present invention.
  • FIG. 3 is a second schematic structural view of a fixing base according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural view of an end cap according to an embodiment of the present invention.
  • FIG. 5 is a second schematic structural view of an end cap according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of a mating structure of a fixing base and an end cover according to an embodiment of the present invention.
  • Figure 7 is a cross-sectional view showing the assembly between the holder, the end cap and the lamp body in accordance with an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a mating state of a fixing base and an end cover according to an embodiment of the present invention.
  • FIG. 9 is a second schematic structural diagram of a mating state of a fixing base and an end cover according to an embodiment of the present invention.
  • FIG. 10 is a third schematic structural view of a mating state of a fixing base and an end cover according to an embodiment of the present invention. detailed description
  • a specific embodiment of the present invention is an LED fluorescent lamp, comprising a lamp body 1, a lamp cap disposed at two ends of the lamp body 1, and a lamp holder connected to each lamp cap.
  • each of the lamp heads comprises an end cover 3 and a fixing base 4 which are mutually rotatable, the end cover 3 is fixedly connected to the end of the lamp body 1, and the fixing base 4 is fixedly disposed in the corresponding lamp holder 2, in two
  • a base 5 having the same length as the lamp body 1 is further disposed between the lamp holders 2, and the base 5 is used for mounting and connecting components of the integral LED fluorescent lamp, and can also support the function of the lamp body 1 and improve the reliability of the connection of the lamp body 1.
  • the base 5 is provided with a power circuit board, and the bottom of the base 5 is provided with a U-shaped slot, and each socket 2 has a head 21 which can be inserted into the U-shaped slot of the base 5, and the socket 2 is connected Both ends of the base 5.
  • the lamp body 1 of the present embodiment can adopt various lamp body structures in the prior art.
  • the lamp body 1 of the present embodiment includes a lamp tube 11, a PCB board 12, an LED chip 13, and a collecting lens 14, wherein The top of the lamp tube 11 is provided with a slot 111 disposed along the length direction.
  • the PCB board 12 is received in the slot 111, and the LED chip 13 is electrically connected to the PCB board 12.
  • the two opposite sides of the lamp tube 11 are in the slot 111.
  • the recesses 112 are respectively disposed on the side walls, and the collecting lens 14 is disposed on the front portion of the PCB board 12, and the two sides of the collecting lens 14 are respectively embedded in the recesses 112 of the tube, the tube 11 and the collecting lens 14 are connected to form a cylindrical lamp body casing.
  • the end cover 3 of the embodiment has a circular shape, and the opening 31 of the end cover 3 is sized to match the cross-sectional size of the lamp body 1. In order to ensure the connection reliability of the lamp body 1 and the end cover 3, the opening of the end cover 3 is provided.
  • the outer casing of the lamp body 1 is provided with an interference fit rib 32; the end cover 3 defines a threading hole 331 on the end surface 33, and the electrode lead drawn from the PCB board 12 in the lamp body 1 can pass through the threading hole 331 And the power supply circuit board of the base 5 is electrically connected; the end surface 33 of the end cover 3 is further provided with a limiting post 34 protruding outwardly parallel to the axial direction; the outer peripheral surface of the end cover 3 is provided with The slots 35 are spaced apart along the direction parallel to the axis.
  • the fixing base 4 is provided with a hole 41 which is adapted to the size of the end cover 3 and penetrates in the axial direction of the fixing base 4.
  • the end cover 3 is received in the cavity 41 and can be
  • the inner side surface 411 of the cavity 41 is formed with a resilient piece 42 at the bottom position.
  • the elastic piece 42 has a curved surface and can cooperate with the outer peripheral surface of the end cover 3.
  • One end of the elastic piece 42 is connected to the inner side surface 411 of the cavity 41.
  • the other end of the elastic piece 42 is a free end capable of generating a certain deformation, and a gap 412 is formed between the free end of the elastic piece 42 and the inner side surface 411 of the cavity 41.
  • the elastic piece 42 is provided with a rib 421 parallel to the axis, and the convex piece 421 is disposed.
  • the strip 421 can be engaged with the tooth groove 35 on the outer peripheral surface of the end cover 3.
  • the end cover 3 exerts a certain downward pressing action on the elastic piece 42 on the fixing base 4.
  • the elastic piece 42 undergoes a certain deformation, and the free end of the elastic piece 42 also At the same time, an upward force is generated on the end cap 3, so that the ribs 421 on the elastic piece 42 can be embedded in the corresponding slots 35 of the end cap 3 regardless of the angle at which the end cap 3 is rotated relative to the fixed seat 4.
  • the positioning of the end cap 3 relative to the fixing seat 4, that is, the lamp body 1 can be completely fixed at a predetermined illumination angle position; on the other hand, since the free end of the elastic piece 42 has a certain elasticity, the cogging can be overcome by applying less external force.
  • the frictional force of the 35 and the rib 421 causes the lamp body 1 to rotate relative to the lamp holder 2, and the operation is convenient and convenient.
  • the cavity 41 of the fixing base 4 has two end faces communicating with each other, and an arcuate limiting groove 43 is formed on one end surface thereof.
  • the limiting groove 43 is located in the upper half of the end surface of the cavity 41, and the limiting groove 43 is formed.
  • the semi-circular and semi-circular opening is vertically downward, and the limiting post disposed on the end surface of the end cap 3 can be disposed in the limiting slot 43 and is limited to the two ends of the limiting slot 43;
  • the fixing base 4 further has two opposite outer side walls, and each outer side wall is respectively provided with an outwardly protruding chuck 44, and the inner side wall of the socket 2 is provided with the chuck 44
  • the adapter slot can be fixed by simply snapping the bracket 4 into the socket 2 during installation. The connection is very convenient.
  • the structure of the lamp body 1 of the LED fluorescent lamp of the present embodiment is rotated relative to the lamp holder 2 and the base 5 at different positions, wherein the end cap 3 of the end cap 3 shown in FIG.
  • the middle position of the seat 4 limiting groove 43 (setting the rotation angle of the lamp body 1 at this time is 0 degree), at this time, the illumination direction of the lamp body 1 is positioned in the vertical upward direction; the end cover 3 shown in FIG.
  • the rotation angle of the lamp body 1 reaches the first extreme position (the rotation angle of the lamp body 1 is set to -90 degrees at this time), and the end cover 3 is limited Located on the fixed base 4, the lamp body 1 can no longer rotate in the counterclockwise direction; the end cap 3 of the end cap 3 shown in FIG. 10 abuts against the rightmost end of the limiting slot 43 of the fixing seat 4, at this time, the rotation angle of the lamp body 1
  • the end cover 3 is also limited to the fixed seat 4, and the lamp body 1 can no longer rotate in the clockwise direction.
  • this embodiment The illumination angle adjustment of the lamp body 1 in the range of ⁇ 90 degrees can be realized, so that the illumination direction of the lamp body 1 is more flexible and can conform to daily life. Means required; Further, since the effect of limiting the rotation limiting groove, only the lamp body It can rotate within 180 degrees to prevent the lamp body from rotating arbitrarily within 360 degrees, avoiding the rotation of the lamp body over a large angle and causing the electrode lead to be knotted or torn.
  • the electrode of the PCB board of the lamp body 1 of the present embodiment is drawn from the threading hole of the end cover 3 through a wire, and is a soft electrical connection manner, and is electrically connected to the lamp holder 2 and the lamp holder 2 with respect to the conventional fluorescent lamp.
  • the circuit of the embodiment is less affected by the rotation of the lamp body 1, and there is no problem that the pin and the socket 2 are inserted in place (if the lamp body 1 is rotated, the pin is not completely inserted into the corresponding socket of the lamp holder 2, It is possible that the inverted lamp body 1 is in poor contact and cannot be properly illuminated); when the lamp body 1 is rotated, as can be seen from Fig. 8 to Fig.
  • the position of the threading hole is changed, and the wire which is threaded through the threading hole is only It is rotated back and forth with the change of the position of the threading hole on the end cover 3.
  • the line is always connected, which not only simplifies the rotation structure between the end cover 3 and the fixed seat 4, but also ensures the rotation.
  • the good continuity between the lamp body 1 and the lamp holder 2 improves the performance of the lamp.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

An LED fluorescent lamp comprises a lamp body (1), a lamp head and a lamp seat (2). The lamp head comprises an end cover (3) and a holder (4). The end cover (3) is disposed with a through hole (331). An end surface of the end cover (3) is disposed with a stop post (34). A peripheral surface of the end cover (3) is disposed with a tooth space (35). The holder (4) is disposed with a cavity (41). The end cover (3) is accommodated in the cavity (41) and can rotate therein. A stop groove (43) is formed on the cavity (41) of the holder (4). The stop post (34) extends through the stop groove (43) and is stopped by two ends of the stop groove (43). A spring sheet (42) is formed on an internal side surface (441) of the cavity (41). An end of the spring sheet (42) is integrated to the internal side surface (441) of the cavity (4l). A free end of the spring sheet (42) is disposed with a rib (421) mating with the tooth space (35). The lamp body (1) can be fixed after rotation about the holder (4) by any angle, so as to ensure the reliable positioning of the lighting direction of the lamp body (1). Due to the rotation stop function of the stop groove (43), the lamp body (1) can only rotate by an angle in the range of 180 degrees, so as to prevent the lamp body (1) from randomly rotation at an angle in the range of 360 degrees, thereby avoiding entanglement or tensile failure of electrode leads due to an excessively large angle of rotation of the lamp body (1).

Description

一种 LED日光灯 技术领域  LED fluorescent lamp technical field
本发明涉及一种灯具， 特别是一种 LED日光灯。 背景技术  The invention relates to a luminaire, in particular to an LED fluorescent lamp. Background technique
传统的日光灯是采用荧光灯照明， 荧光灯灯管沿灯管外周面一圈都能发光， 而且， 荧光灯灯管与灯头通常是固定连接的， 将荧光灯安装到灯架上时， 需要将灯头上的插脚 ***到灯座内的插孔中实现电连接。 LED光源具有节能、环保、使用寿命长等诸多优点， 人们开始用 LED光源代替荧光灯， 但 LED灯管的光源部分多呈平面状， 其只能朝一个 方向出光， 而传统的灯头和灯座之间又是固定连接的结构， 无法适应对不同光照方向的 调节要求。  The traditional fluorescent lamp is illuminated by fluorescent light. The fluorescent lamp can emit light along the outer circumference of the lamp. Moreover, the fluorescent lamp and the lamp are usually fixedly connected. When the fluorescent lamp is mounted on the lamp holder, the pin on the lamp head is needed. Electrical connection is made by inserting into the socket in the socket. LED light source has many advantages such as energy saving, environmental protection, long service life, etc. People began to use LED light source instead of fluorescent light, but the light source part of LED light tube is mostly flat, which can only emit light in one direction, while the traditional lamp holder and lamp holder The structure is fixedly connected and cannot meet the adjustment requirements for different illumination directions.
现有技术中， 为了解决 LED 灯管光照方向无法调节的问题， 有如专利号为 ZL200920192636.5的实用新型《一种灯头可旋转的 LED日光灯管》 公开了一种灯头可 旋转的 LED日光灯， 其包括 LED光源和散热体， LED光源通过基板固定在散热体上， 散热体两端分别设置有灯头，灯头上设置有插脚，灯头与散热体之间设置有定子和转子， 定子固定在散热体上， 灯头固定在转子上， 转子安装在定子上， 定子与转子之间分别设 置有转动限位机构和弹性定位机构。 上述专利虽然能够实现 LED灯管的光照角度的调 节， 但是， 该专利调节结构较为复杂， 除了转动机构（包括定子和转子）之外， 还有限 定转动机构旋转的弹性定位结构， 转子在定子内旋转一定幅度后， 是通过弹性定位机构 使转子固定在定子中， 操作时需要施加外拨的力才能保证转子相对于定子的转动， 操作 起来较为费力； 而且， 该专利 LED灯管的灯头仍然采用了插脚结构实现和灯座的电导 通， 当使用一定时间后， 由于弹性定位结构的弹簧磨损或失效， 有可能使得定子中的定 位柱无法正好落入转子中的定位槽中， 此时， 即使 LED灯管旋转到了合适的光照角度， 也无法保证灯管的灯头和灯座之间的可靠连接。 发明内容  In the prior art, in order to solve the problem that the illumination direction of the LED tube cannot be adjusted, the utility model "Z.S. Patent No. ZL200920192636.5", "a lampable rotatable LED fluorescent tube" discloses a lamp fluorescent lamp with a lamp head, which The LED light source and the heat sink are arranged. The LED light source is fixed on the heat sink through the substrate. The two ends of the heat sink are respectively provided with a lamp head, the lamp head is provided with a pin, the stator and the rotor are arranged between the lamp head and the heat sink, and the stator is fixed on the heat sink. The lamp cap is fixed on the rotor, the rotor is mounted on the stator, and a rotation limiting mechanism and an elastic positioning mechanism are respectively disposed between the stator and the rotor. Although the above patent can realize the adjustment of the illumination angle of the LED tube, the patent adjustment structure is complicated, and in addition to the rotating mechanism (including the stator and the rotor), there is also an elastic positioning structure that defines the rotation of the rotating mechanism, and the rotor is in the stator. After rotating a certain range, the rotor is fixed in the stator by the elastic positioning mechanism, and the external force is required to ensure the rotation of the rotor relative to the stator during operation, which is more laborious to operate; moreover, the lamp head of the patented LED tube is still used. The pin structure realizes electrical conduction with the lamp holder. After a certain period of time, due to spring wear or failure of the elastic positioning structure, it is possible that the positioning post in the stator cannot fall into the positioning groove in the rotor, even if The LED tube is rotated to the proper illumination angle and there is no guarantee of a reliable connection between the lamp cap and the base. Summary of the invention
本发明所要解决的技术问题是针对上述现有技术现状而提供一种灯头的转动操作 简单且灯头定位可靠的 LED日光灯。  The technical problem to be solved by the present invention is to provide an LED fluorescent lamp in which the rotation operation of the lamp cap is simple and the lamp cap is reliably positioned in view of the above-mentioned state of the art.
本发明解决上述第一个技术问题所采用的技术方案为： 一种 LED日光灯， 包括有 灯体、 设置在所述灯体两端的灯头和连接在所述灯头上的灯座， 其特征在于： 所述灯头  The technical solution adopted by the present invention to solve the above first technical problem is: an LED fluorescent lamp comprising a lamp body, a lamp cap disposed at two ends of the lamp body, and a lamp holder connected to the lamp cap, wherein: The lamp cap
- 1 - 确 认 本 包括有端盖和固定座， 所述端盖固定连接在所述灯体的两端， 所述固定座固定设置于所 述灯座内； 其中， 所述端盖的端面上开设有能供所述灯体的电极引线穿出的穿线孔， 该 端盖的端面上还设置有沿平行于轴线方向向外侧凸伸的限位柱，该端盖的外周面上则设 置有沿平行于轴线方向间隔分布的齿槽；所述固定座开设有与所述端盖大小相适配且沿 该固定座的轴向贯穿的孔腔， 所述端盖容置于该孔腔内并能相对转动， 所述固定座在所 述孔腔的其中一端面上成型有弧形限位槽，所述限位柱穿设于该限位槽中并能限位于该 限位槽的两端， 所述孔腔的内侧面上还成型有一能与所述端盖的外周面相配合的弹片， 所述弹片的一端和所述孔腔的内侧面连成一体， 所述弹片的另一端为自由端， 该弹片的 自由端上设置有能与所述齿槽相配合的凸条。 - 1 - Confirmation The end cover is fixedly connected to the two ends of the lamp body, and the fixing base is fixedly disposed in the lamp holder; wherein the end surface of the end cover is provided with a supply base a threading hole through which the electrode lead of the lamp body passes, and an end surface of the end cover is further provided with a limiting post protruding outward in a direction parallel to the axial direction, and an outer peripheral surface of the end cover is disposed along a direction parallel to the axis a slot that is spaced apart; the fixing seat is provided with a hole corresponding to the size of the end cover and penetrates in the axial direction of the fixing seat, and the end cover is received in the cavity and can rotate relative to each other. The fixing seat is formed with an arc-shaped limiting slot on one end surface of the cavity, and the limiting post is disposed in the limiting slot and can be limited to the two ends of the limiting slot, the hole The inner side surface of the cavity is further formed with a spring piece that can cooperate with the outer peripheral surface of the end cover, one end of the elastic piece is integrally connected with the inner side surface of the cavity, and the other end of the elastic piece is a free end, the elastic piece The free end of the free end is provided with a rib that can cooperate with the tooth groove.
为了能够保证 LED日光灯能够在有效的照明空间内获得最大的角度调节范围， 作 为优选，所述的限位槽呈半圆形，并且，该限位槽成型于所述孔腔端面的上半部。于是， 在 LED灯体安装到灯座上后， 转动 LED灯体能够在 180度（±90度）范围内实现不同 照明角度的任意调节， 而且， 由于限位槽的旋转限位作用， 灯体只能在 180度范围内转 动， 防止灯体在 360度范围内任意旋转， 避免灯体旋转过大角度而导致电极引线打结或 被扯断。  In order to ensure that the LED fluorescent lamp can obtain the maximum angle adjustment range in the effective illumination space, preferably, the limiting groove is semicircular, and the limiting groove is formed on the upper half of the end surface of the cavity. . Therefore, after the LED lamp body is mounted on the lamp holder, the rotating LED lamp body can realize any adjustment of different illumination angles within a range of 180 degrees (±90 degrees), and, due to the rotation limit of the limit groove, the lamp body It can only rotate within 180 degrees to prevent the lamp body from rotating arbitrarily within 360 degrees, avoiding the lamp body from being knotted or broken due to the rotation of the lamp body over a large angle.
为了方便固定座和灯座的固定连接， 方便装配， 作为优选，所述固定座的两相对而 设的外侧壁上分别设置有向外突起的卡头，所述灯座的内侧壁上开设有与所述卡头相适 配的卡槽。  In order to facilitate the fixed connection between the fixing base and the lamp holder, it is convenient to assemble. Preferably, the two opposite outer side walls of the fixing seat are respectively provided with outwardly protruding chucks, and the inner side wall of the lamp holder is opened. A card slot adapted to the card head.
为了达到较好的光照效果， 作为进一步优选， 所述灯体结构可以为： 包括有灯管、 PCB板、 LED芯片和聚光透镜， 其中， 所述 LED芯片电连接在所述 PCB板上， 所述 PCB板设置于所述灯管内，所述聚光透镜设置于所述 PCB板的前部并和所述灯管相连。  In order to achieve a better illumination effect, the lamp body structure may further include: a lamp tube, a PCB board, an LED chip, and a collecting lens, wherein the LED chip is electrically connected to the PCB board, The PCB board is disposed in the lamp tube, and the concentrating lens is disposed at a front portion of the PCB board and connected to the lamp tube.
为了方便聚光透镜的连接安装，作为优选，所述灯管的顶部开设有沿长度方向设置 的插槽， 所述 PCB板容置于该插槽内， 并且， 所述灯管在所述插槽的两相对而设的侧 壁上分别开设有凹槽， 所述聚光透镜的两侧边分别嵌设于相应的所述凹槽内。  In order to facilitate the connection and installation of the concentrating lens, preferably, the top of the lamp tube is provided with a slot disposed along the length direction, the PCB board is received in the slot, and the lamp tube is inserted in the slot Grooves are respectively formed on the opposite side walls of the groove, and the two sides of the condensing lens are respectively embedded in the corresponding grooves.
为了保证灯体和端盖的可靠连接， 防止灯体转动时从端盖中脱出， 作为优选，所述 端盖具有和所述灯体的横截面大小相适配的开口，该开口的内侧壁上还设置有多个能和 所述外壳的外侧壁紧配合的凸筋。 当端盖连接到灯体两端后， 灯体和端盖开口为过盈配 合连接， 凸筋能够有效防止灯体两端和端盖脱离。  In order to ensure a reliable connection between the lamp body and the end cover, the lamp body is prevented from coming out of the end cover when the lamp body is rotated. Preferably, the end cover has an opening corresponding to the cross-sectional size of the lamp body, and the inner side wall of the opening There are also a plurality of ribs that are tightly fitted to the outer side walls of the outer casing. When the end cover is connected to both ends of the lamp body, the lamp body and the end cover opening are connected by an interference fit, and the ribs can effectively prevent the two ends of the lamp body and the end cover from being detached.
与现有技术相比， 本发明的优点在于： 采用端盖和固定座配合的结构实现灯体相对 于灯座的转动， 而且， 端盖和固定座可以直接旋转配合， 无需另外设置弹性复位机构， 结构更加简单， 端盖外周面上的齿槽和固定座弹片上的凸条之间配合能产生一定摩擦 力， 使得连接有端盖的灯体相对于固定座旋转过任何角度后都能够固定在该位置上， 保 证了灯体照明方向的可靠定位； 另外， 固定座上设置的限位槽能够限制端盖相对于固定 座转过的最大角度， 当端盖上的限位柱分别与限位槽的两端相抵时， 灯体转过的角度即 达到极限位置，能够方便灯体照明方向的快速定位，而且， 由于限位槽的旋转限位作用， 灯体只能在 180度范围内转动， 防止灯体在 360度范围内任意旋转， 避免灯体旋转过大 角度而导致电极引线打结或被扯断。 附图说明 Compared with the prior art, the invention has the advantages that: the structure of the end cover and the fixing seat cooperates to realize the rotation of the lamp body relative to the lamp holder, and the end cover and the fixing seat can be directly rotated and matched, and no additional elastic reset mechanism is needed. The structure is simpler, and the cooperation between the tooth groove on the outer peripheral surface of the end cover and the ridge on the fixed seat spring can generate a certain friction force, so that the lamp body connected with the end cover can be fixed after rotating at any angle with respect to the fixed seat. In this position, the reliable positioning of the illumination direction of the lamp body is ensured; in addition, the limit groove provided on the fixing seat can limit the maximum angle of the end cover relative to the fixed seat, when the limit column on the end cover is respectively limited When the two ends of the bit groove are offset, the angle at which the lamp body turns is When reaching the limit position, it can facilitate the rapid positioning of the illumination direction of the lamp body. Moreover, due to the rotation limit of the limit groove, the lamp body can only rotate within 180 degrees, preventing the lamp body from rotating arbitrarily within 360 degrees, avoiding the lamp. The body is rotated too far and the electrode leads are knotted or torn. DRAWINGS
图 1为本发明实施例的立体分解图。  1 is an exploded perspective view of an embodiment of the present invention.
图 2为本发明实施例的固定座结构示意图之一。  2 is a schematic structural view of a fixing base according to an embodiment of the present invention.
图 3为本发明实施例的固定座结构示意图之二。  FIG. 3 is a second schematic structural view of a fixing base according to an embodiment of the present invention.
图 4为本发明实施例的端盖结构示意图之一。  4 is a schematic structural view of an end cap according to an embodiment of the present invention.
图 5为本发明实施例的端盖结构示意图之二。  FIG. 5 is a second schematic structural view of an end cap according to an embodiment of the present invention.
图 6为本发明实施例的固定座和端盖配合结构示意图。  FIG. 6 is a schematic diagram of a mating structure of a fixing base and an end cover according to an embodiment of the present invention.
图 7为本发明实施例的固定座、 端盖和灯体之间的装配剖视图。  Figure 7 is a cross-sectional view showing the assembly between the holder, the end cap and the lamp body in accordance with an embodiment of the present invention.
图 8为本发明实施例的固定座和端盖配合状态结构示意图之一。  FIG. 8 is a schematic structural diagram of a mating state of a fixing base and an end cover according to an embodiment of the present invention.
图 9为本发明实施例的固定座和端盖配合状态结构示意图之二。  FIG. 9 is a second schematic structural diagram of a mating state of a fixing base and an end cover according to an embodiment of the present invention.
图 10为本发明实施例的固定座和端盖配合状态结构示意图之三。 具体实施方式  FIG. 10 is a third schematic structural view of a mating state of a fixing base and an end cover according to an embodiment of the present invention. detailed description
以下结合附图实施例对本发明作进一步详细描述。  The present invention will be further described in detail below with reference to the accompanying drawings.
如图 1〜图 10所示， 为本发明的具体实施例， 该实施例为一种 LED日光灯， 包括 有灯体 1、 设置在灯体 1两端的灯头和连接在每个灯头上的灯座 2， 其中， 每个灯头包 括有可相互转动的端盖 3和固定座 4， 端盖 3固定连接在灯体 1的端部， 固定座 4则固 定设置于相应的灯座 2内， 在两个灯座 2之间还设置有长度和灯体 1相同的底座 5， 该 底座 5用于整体 LED日光灯的安装连接部件， 还能够实现支撑灯体 1的作用， 提高灯 体 1连接的可靠性； 并且， 底座 5内设置有电源电路板， 底座 5的底部开设有 U形槽， 每个灯座 2具有一能与底座 5的 U形槽相插接的头部 21 ,灯座 2连接在底座 5的两端。  As shown in FIG. 1 to FIG. 10, a specific embodiment of the present invention is an LED fluorescent lamp, comprising a lamp body 1, a lamp cap disposed at two ends of the lamp body 1, and a lamp holder connected to each lamp cap. 2, wherein each of the lamp heads comprises an end cover 3 and a fixing base 4 which are mutually rotatable, the end cover 3 is fixedly connected to the end of the lamp body 1, and the fixing base 4 is fixedly disposed in the corresponding lamp holder 2, in two A base 5 having the same length as the lamp body 1 is further disposed between the lamp holders 2, and the base 5 is used for mounting and connecting components of the integral LED fluorescent lamp, and can also support the function of the lamp body 1 and improve the reliability of the connection of the lamp body 1. Moreover, the base 5 is provided with a power circuit board, and the bottom of the base 5 is provided with a U-shaped slot, and each socket 2 has a head 21 which can be inserted into the U-shaped slot of the base 5, and the socket 2 is connected Both ends of the base 5.
本实施例的灯体 1可以采用现有技术中的各种灯体结构，优选地，本实施例的灯体 1包括有灯管 11、 PCB板 12、 LED芯片 13和聚光透镜 14， 其中， 灯管 11的顶部开设 有沿长度方向设置的插槽 111， PCB板 12容置于该插槽 111内， LED芯片 13电连接 在 PCB板 12上， 灯管 11在插槽 111的两相对而设的侧壁上分别开设有凹槽 112, 聚光 透镜 14设置于 PCB板 12的前部， 并且， 聚光透镜 14的两侧边分别嵌设于灯管的凹槽 112内， 灯管 11和聚光透镜 14连接成一筒状的灯体外壳。  The lamp body 1 of the present embodiment can adopt various lamp body structures in the prior art. Preferably, the lamp body 1 of the present embodiment includes a lamp tube 11, a PCB board 12, an LED chip 13, and a collecting lens 14, wherein The top of the lamp tube 11 is provided with a slot 111 disposed along the length direction. The PCB board 12 is received in the slot 111, and the LED chip 13 is electrically connected to the PCB board 12. The two opposite sides of the lamp tube 11 are in the slot 111. The recesses 112 are respectively disposed on the side walls, and the collecting lens 14 is disposed on the front portion of the PCB board 12, and the two sides of the collecting lens 14 are respectively embedded in the recesses 112 of the tube, the tube 11 and the collecting lens 14 are connected to form a cylindrical lamp body casing.
本实施例的端盖 3呈圆形，该端盖 3的开口 31大小和灯体 1的横截面大小相适配， 为了保证灯体 1和端盖 3的连接可靠性， 端盖 3的开口 31内侧壁上还设置有多个能和 灯体 1的外壳进行过盈配合的凸筋 32;该端盖 3在端面 33上开设有穿线孔 331，灯体 1 中自 PCB板 12上引出的电极引线能够从该穿线孔 331中穿出并且和底座 5的电源电路 板相电连接； 该端盖 3的端面 33上还设置有一个沿平行于轴线方向向外侧凸伸的限位 柱 34; 该端盖 3的外周面上则设置有沿平行于轴线方向间隔分布的齿槽 35。 The end cover 3 of the embodiment has a circular shape, and the opening 31 of the end cover 3 is sized to match the cross-sectional size of the lamp body 1. In order to ensure the connection reliability of the lamp body 1 and the end cover 3, the opening of the end cover 3 is provided. There are also a plurality of energy sums on the inner side wall of 31 The outer casing of the lamp body 1 is provided with an interference fit rib 32; the end cover 3 defines a threading hole 331 on the end surface 33, and the electrode lead drawn from the PCB board 12 in the lamp body 1 can pass through the threading hole 331 And the power supply circuit board of the base 5 is electrically connected; the end surface 33 of the end cover 3 is further provided with a limiting post 34 protruding outwardly parallel to the axial direction; the outer peripheral surface of the end cover 3 is provided with The slots 35 are spaced apart along the direction parallel to the axis.
为了能与端盖 3配合，固定座 4上开设有与端盖 3大小相适配且沿该固定座 4的轴 向贯穿的孔腔 41，端盖 3容置于该孔腔 41内并能相对转动，孔腔 41的内侧面 411在底 部位置成型有一弹片 42， 该弹片 42呈弧形面并能与端盖 3的外周面相配合， 弹片 42 的一端即和孔腔 41的内侧面 411连成一体，弹片 42的另一端为能够产生一定形变的自 由端，弹片 42自由端和孔腔 41内侧面 411之间形成间隙 412，弹片 42上设置有和轴线 相平行的凸条 421，该凸条 421能够和端盖 3外周面上的齿槽 35相配合卡接。当转动连 接有端盖 3的灯体 1时， 端盖 3对固定座 4上的弹片 42产生一定的向下挤压作用， 此 时，弹片 42会发生一定的形变，弹片 42的自由端也会同时对端盖 3产生一个向上的力， 这使得无论端盖 3相对于固定座 4转过任何角度， 弹片 42上的凸条 421都能够嵌入端 盖 3的相应齿槽 35中， 实现了端盖 3相对于固定座 4的定位， 即灯体 1能够完全固定 在预定的光照角度位置； 另一方面， 由于弹片 42的自由端具有一定弹性， 只要施加较 少的外力就能够克服齿槽 35和凸条 421配合的摩擦力， 使得灯体 1相对于灯座 2转动 起来， 操作轻松方便。  In order to be able to cooperate with the end cover 3, the fixing base 4 is provided with a hole 41 which is adapted to the size of the end cover 3 and penetrates in the axial direction of the fixing base 4. The end cover 3 is received in the cavity 41 and can be The inner side surface 411 of the cavity 41 is formed with a resilient piece 42 at the bottom position. The elastic piece 42 has a curved surface and can cooperate with the outer peripheral surface of the end cover 3. One end of the elastic piece 42 is connected to the inner side surface 411 of the cavity 41. In an integral manner, the other end of the elastic piece 42 is a free end capable of generating a certain deformation, and a gap 412 is formed between the free end of the elastic piece 42 and the inner side surface 411 of the cavity 41. The elastic piece 42 is provided with a rib 421 parallel to the axis, and the convex piece 421 is disposed. The strip 421 can be engaged with the tooth groove 35 on the outer peripheral surface of the end cover 3. When the lamp body 1 to which the end cover 3 is attached is rotated, the end cover 3 exerts a certain downward pressing action on the elastic piece 42 on the fixing base 4. At this time, the elastic piece 42 undergoes a certain deformation, and the free end of the elastic piece 42 also At the same time, an upward force is generated on the end cap 3, so that the ribs 421 on the elastic piece 42 can be embedded in the corresponding slots 35 of the end cap 3 regardless of the angle at which the end cap 3 is rotated relative to the fixed seat 4. The positioning of the end cap 3 relative to the fixing seat 4, that is, the lamp body 1 can be completely fixed at a predetermined illumination angle position; on the other hand, since the free end of the elastic piece 42 has a certain elasticity, the cogging can be overcome by applying less external force. The frictional force of the 35 and the rib 421 causes the lamp body 1 to rotate relative to the lamp holder 2, and the operation is convenient and convenient.
固定座 4的孔腔 41具有两个相互连通的端面， 在其中一端面上成型有弧形限位槽 43， 该限位槽 43位于孔腔 41端面的上半部， 该限位槽 43呈半圆形且半圆形开口竖直 朝下，设置于端盖 3端面上的限位柱能够穿设于该限位槽 43中并限位于该限位槽 43的 两端；  The cavity 41 of the fixing base 4 has two end faces communicating with each other, and an arcuate limiting groove 43 is formed on one end surface thereof. The limiting groove 43 is located in the upper half of the end surface of the cavity 41, and the limiting groove 43 is formed. The semi-circular and semi-circular opening is vertically downward, and the limiting post disposed on the end surface of the end cap 3 can be disposed in the limiting slot 43 and is limited to the two ends of the limiting slot 43;
为了连接安装方便，固定座 4还具有两相对而设的外侧壁，每一外侧壁上分别设置 有向外突起的卡头 44， 灯座 2的内侧壁则幵设有能与卡头 44相适配的卡槽， 安装时， 只要将固定座 4直接卡入灯座 2内即可固定， 连接十分方便。  For the convenience of connection and installation, the fixing base 4 further has two opposite outer side walls, and each outer side wall is respectively provided with an outwardly protruding chuck 44, and the inner side wall of the socket 2 is provided with the chuck 44 The adapter slot can be fixed by simply snapping the bracket 4 into the socket 2 during installation. The connection is very convenient.
如图 8〜图 10所示， 为本实施例 LED日光灯的灯体 1相对于灯座 2和底座 5转过 不同位置的结构示意图， 其中， 图 8所示的端盖 3限位柱位于固定座 4限位槽 43的中 间位置 （设定此时灯体 1转动角度为 0度）， 此时， 灯体 1光照方向定位在竖直朝上方 向； 图 9所示的端盖 3限位柱与固定座 4限位槽 43的最左端相抵， 此时， 灯体 1的转 动角度达到第一个极限位置（设定此时灯体 1的转动角度为 -90度），端盖 3限位于固定 座 4上， 灯体 1无法再朝逆时针方向转动； 图 10所示的端盖 3限位柱与固定座 4限位 槽 43的最右端相抵， 此时， 灯体 1的转动角度达到第二个极限位置 （设定此时灯体 1 的转动角度为 +90度）， 端盖 3同样限位于固定座 4上， 灯体 1无法再朝顺时针方向转 动， 因此， 本实施例能够实现灯体 1在 ±90度范围内的照明角度调节， 使得灯体 1的照 明方位更加灵活， 能够符合日常安装需要； 而且， 由于限位槽的旋转限位作用， 灯体只 能在 180度范围内转动， 防止灯体在 360度范围内任意旋转， 避免灯体旋转过大角度而 导致电极引线打结或被扯断。 As shown in FIG. 8 to FIG. 10, the structure of the lamp body 1 of the LED fluorescent lamp of the present embodiment is rotated relative to the lamp holder 2 and the base 5 at different positions, wherein the end cap 3 of the end cap 3 shown in FIG. The middle position of the seat 4 limiting groove 43 (setting the rotation angle of the lamp body 1 at this time is 0 degree), at this time, the illumination direction of the lamp body 1 is positioned in the vertical upward direction; the end cover 3 shown in FIG. The column abuts the leftmost end of the limiting slot 43 of the fixing seat 4, at this time, the rotation angle of the lamp body 1 reaches the first extreme position (the rotation angle of the lamp body 1 is set to -90 degrees at this time), and the end cover 3 is limited Located on the fixed base 4, the lamp body 1 can no longer rotate in the counterclockwise direction; the end cap 3 of the end cap 3 shown in FIG. 10 abuts against the rightmost end of the limiting slot 43 of the fixing seat 4, at this time, the rotation angle of the lamp body 1 When the second limit position is reached (the rotation angle of the lamp body 1 is set to +90 degrees), the end cover 3 is also limited to the fixed seat 4, and the lamp body 1 can no longer rotate in the clockwise direction. Therefore, this embodiment The illumination angle adjustment of the lamp body 1 in the range of ±90 degrees can be realized, so that the illumination direction of the lamp body 1 is more flexible and can conform to daily life. Means required; Further, since the effect of limiting the rotation limiting groove, only the lamp body It can rotate within 180 degrees to prevent the lamp body from rotating arbitrarily within 360 degrees, avoiding the rotation of the lamp body over a large angle and causing the electrode lead to be knotted or torn.
另外， 本实施例灯体 1的 PCB板的电极是通过导线从端盖 3的穿线孔中引出， 是 一种软性电连接方式， 相对于传统日光灯釆用插脚和灯座 2进行电连接， 本实施例的线 路受灯体 1转动的影响更小， 不存在插脚和灯座 2插配是否到位的问题（若灯体 1转动 后， 插脚没有完全***到灯座 2相应的插孔中， 有可能倒置灯体 1接触不良， 无法正常 照明）； 当灯体 1转动时， 从如图 8〜图 10中可以看到， 穿线孔的位置时在变化的， 穿 线孔中穿出的导线仅仅是随着端盖 3上穿线孔位置的变化而来回绕动，灯体 1转动过程 中线路始终是连通的， 不仅简化了端盖 3和固定座 4之间的转动结构， 而且保证了转动 后， 灯体 1和灯座 2之间电路的良好导通性， 提高了灯具的使用性能。  In addition, the electrode of the PCB board of the lamp body 1 of the present embodiment is drawn from the threading hole of the end cover 3 through a wire, and is a soft electrical connection manner, and is electrically connected to the lamp holder 2 and the lamp holder 2 with respect to the conventional fluorescent lamp. The circuit of the embodiment is less affected by the rotation of the lamp body 1, and there is no problem that the pin and the socket 2 are inserted in place (if the lamp body 1 is rotated, the pin is not completely inserted into the corresponding socket of the lamp holder 2, It is possible that the inverted lamp body 1 is in poor contact and cannot be properly illuminated); when the lamp body 1 is rotated, as can be seen from Fig. 8 to Fig. 10, the position of the threading hole is changed, and the wire which is threaded through the threading hole is only It is rotated back and forth with the change of the position of the threading hole on the end cover 3. During the rotation of the lamp body 1, the line is always connected, which not only simplifies the rotation structure between the end cover 3 and the fixed seat 4, but also ensures the rotation. The good continuity between the lamp body 1 and the lamp holder 2 improves the performance of the lamp.

Claims

权 利 要 求 Rights request
1、 一种 LED 日光灯， 包括有灯体 (1)、 设置在所述灯体 (1)两端的灯头和连接在所 述灯头上的灯座 (2)， 其特征在于： 所述灯头包括有端盖 (3)和固定座 (4)， 所述端盖 (3)固 定连接在所述灯体 (1)的两端， 所述固定座 (4)固定设置于所述灯座 (2)内；  An LED fluorescent lamp comprising a lamp body (1), a lamp cap disposed at two ends of the lamp body (1), and a lamp holder (2) connected to the lamp cap, wherein: the lamp cap includes The end cover (3) and the fixing base (4) are fixedly connected to the two ends of the lamp body (1), and the fixing base (4) is fixedly disposed on the lamp holder (2) Inside;
其中，所述端盖 (3)的端面上开设有能供所述灯体 (1)的电极引线穿出的穿线孔 (331)， 该端盖 (3)的端面上还设置有沿平行于轴线方向向外侧凸伸的限位柱 (34)，该端盖 (3)的外 周面上则设置有沿平行于轴线方向间隔分布的齿槽 (35);  The end surface of the end cover (3) is provided with a threading hole (331) for allowing the electrode lead of the lamp body (1) to pass through, and the end surface of the end cover (3) is further disposed parallel to a limiting post (34) protruding outwardly in the axial direction, the outer peripheral surface of the end cap (3) is provided with a tooth groove (35) spaced along the axial direction;
所述固定座 (4)开设有与所述端盖 (3)大小相适配且沿该固定座 (4)的轴向贯穿的孔腔 (41), 所述端盖 (3)容置于该孔腔 (41)内并能相对转动， 所述固定座 (4)在所述孔腔 (41)的 其中一端面上成型有弧形限位槽 (43)， 所述限位柱穿设于该限位槽 (43)中并能限位于该 限位槽 (43)的两端， 所述孔腔 (41)的内侧面 (411)上还成型有一能与所述端盖 (3)的外周面 相配合的弹片 (42)，所述弹片 (42)的一端和所述孔腔 (41)的内侧面 (411)连成一体，所述弹 片 (42)的另一端为自由端，该弹片 (42)的自由端上设置有能与所述齿槽 (35)相配合的凸条 (421)。  The fixing base (4) is provided with a cavity (41) which is adapted to the size of the end cover (3) and penetrates in the axial direction of the fixing seat (4), and the end cover (3) is accommodated The hole (41) is relatively rotatable in the cavity (41), and the fixing seat (4) is formed with an arc-shaped limiting groove (43) on one end surface of the cavity (41), and the limiting column is pierced In the limiting slot (43), and can be limited to the two ends of the limiting slot (43), the inner side surface (411) of the cavity (41) is further formed with an end cap (3) The outer peripheral surface cooperates with the elastic piece (42), one end of the elastic piece (42) is integrally connected with the inner side surface (411) of the cavity (41), and the other end of the elastic piece (42) is a free end, A rib (421) that can cooperate with the gullet (35) is disposed on the free end of the spring piece (42).
2、根据权利要求 1所述的 LED日光灯，其特征在于：所述的限位槽 (43)呈半圆形， 并且， 该限位槽 (43)成型于所述孔腔 (41)端面的上半部。  The LED fluorescent lamp according to claim 1, wherein the limiting groove (43) has a semicircular shape, and the limiting groove (43) is formed on the end surface of the cavity (41). Upper half.
3、 根据权利要求 2所述的 LED日光灯， 其特征在于： 所述固定座 (4)的两相对而 设的外侧壁上分别设置有向外突起的卡头 (44)， 所述灯座 (2)的内侧壁上开设有与所述卡 头 (44)相适配的卡槽。  The LED fluorescent lamp according to claim 2, wherein: the opposite outer side walls of the fixing base (4) are respectively provided with outwardly protruding chucks (44), the lamp holders ( The inner side wall of 2) is provided with a card slot adapted to the chuck (44).
4、 根据权利要求 1或 2或 3所述的 LED日光灯， 其特征在于： 所述灯体 (1)包括 有灯管 (11)、 PCB板 (12)、 LED芯片 (13)和聚光透镜 (14)， 其中， 所述 LED芯片 (13)电连 接在所述 PCB板 (12)上， 所述 PCB板 (12)设置于所述灯管 (11)内， 所述聚光透镜 (14)设 置于所述 PCB板 (12)的前部并和所述灯管 (11)相连。  The LED fluorescent lamp according to claim 1 or 2 or 3, wherein the lamp body (1) comprises a lamp tube (11), a PCB board (12), an LED chip (13) and a collecting lens. (14), wherein the LED chip (13) is electrically connected to the PCB board (12), the PCB board (12) is disposed in the lamp tube (11), and the collecting lens (14) ) is disposed at a front portion of the PCB board (12) and connected to the lamp tube (11).
5、 根据权利要求 4所述的 LED日光灯， 其特征在于： 所述灯管 (11)的顶部开设有 沿长度方向设置的插槽 (111)，所述 PCB板 (12)容置于该插槽 (111)内，并且，所述灯管 (11) 在所述插槽 (111)的两相对而设的侧壁上分别开设有凹槽 (112)， 所述聚光透镜 (14)的两侧 边分别嵌设于相应的所述凹槽 (112)内。  The LED fluorescent lamp according to claim 4, wherein: the top of the lamp tube (11) is provided with a slot (111) disposed along a length direction, and the PCB board (12) is received in the plug In the slot (111), the lamp tube (11) is respectively provided with a groove (112) on two opposite side walls of the slot (111), and the collecting lens (14) The two sides are respectively embedded in the corresponding grooves (112).
6、 根据权利要求 5所述的 LED日光灯， 其特征在于： 所述端盖 (3)具有和所述灯 体 (1)的横截面大小相适配的开口 (31)， 该开口 (31)的内侧壁上还设置有多个能和所述外 壳的外侧壁紧配合的凸筋 (32)。  6. The LED fluorescent lamp according to claim 5, characterized in that: the end cap (3) has an opening (31) adapted to the cross-sectional size of the lamp body (1), the opening (31) The inner side wall is further provided with a plurality of ribs (32) which can be tightly fitted to the outer side wall of the outer casing.
PCT/CN2011/001152 2011-01-24 2011-07-12 Led fluorescent lamp WO2012100392A1 (en)

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