WO2019148676A1 - 一种led灯的灯头连接结构及led灯 - Google Patents

一种led灯的灯头连接结构及led灯 Download PDF

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Publication number
WO2019148676A1
WO2019148676A1 PCT/CN2018/084632 CN2018084632W WO2019148676A1 WO 2019148676 A1 WO2019148676 A1 WO 2019148676A1 CN 2018084632 W CN2018084632 W CN 2018084632W WO 2019148676 A1 WO2019148676 A1 WO 2019148676A1
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WO
WIPO (PCT)
Prior art keywords
connecting member
led lamp
lamp
lamp cap
outer casing
Prior art date
Application number
PCT/CN2018/084632
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English (en)
French (fr)
Inventor
陈进银
汪序凯
熊飞
张文彬
吴洛毅
黄广亮
彭智光
黄新
徐阳
Original Assignee
深圳佳比泰智能照明股份有限公司
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Application filed by 深圳佳比泰智能照明股份有限公司 filed Critical 深圳佳比泰智能照明股份有限公司
Publication of WO2019148676A1 publication Critical patent/WO2019148676A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F21K9/235—Details of bases or caps, i.e. the parts that connect the light source to a fitting; Arrangement of components within bases or caps
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • 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
    • F21V31/00—Gas-tight or water-tight arrangements

Definitions

  • the invention relates to the field of LED lamps, and in particular to a lamp head connection structure and an LED lamp of an LED lamp.
  • the LED lamp comprises a lamp cap 1, a casing 3 and a lamp plate 5, and the lamp plate 5 is disposed in the casing 3, and the lamp cap 1 is integrally connected with the casing 3.
  • the LED lamp includes a lamp cap 1, a casing 3, a lamp plate 5 and a connecting member 2, and the casing 3 is provided with a connecting hole 31, and the connecting member 2 is from the outside of the casing 3.
  • the light is inserted into the connecting hole 31, and the connecting member 2 is provided with a step against the outer side of the connecting hole 31.
  • the connecting member 2 located in the outer casing 3 is provided with a threaded hole 21, and the light board 5 abuts against the connecting body in the outer casing 3.
  • the end of the piece 2 and the side wall of the outer casing 3 are screwed into the threaded hole 21 by screws 7 and are integrally locked with the connecting member 2, and the connecting member 2 is fixed to the outer casing 3 by clamping up and down, and the base 1 is screwed to the outer casing. 3 on the outer connecting piece 2.
  • the connection structure of the lamp head of the LED lamp is not convenient for installation and disassembly, and the threaded hole 21 is required on the connecting member 2. When the threaded hole 21 is processed, the irregular threaded hole 21 is easily generated, causing the connecting member 2 to be scrapped, thereby making LED lamps are expensive to manufacture.
  • One of the purposes of the present application is to provide a lamp cap connection structure for an LED lamp, which is convenient for installation and disassembly.
  • a lamp cap connecting structure of an LED lamp comprising: a casing, a lamp cap and a connecting member, wherein the casing is provided with a connecting hole, the inner side of the connecting hole is provided with a card step, and the connecting member is convexly provided with a card strip, The connecting member passes out of the outer casing through the connecting hole through the connecting hole, the card bar abuts against the card step, and the lamp cap is disposed on the connecting member located outside the outer casing.
  • a positioning groove is disposed in the connecting hole, and a positioning strip is disposed on one side of the card strip, and the positioning bar is embedded in the positioning groove.
  • the other side of the card strip is provided with a reinforcing strip.
  • the connecting member on the outer side of the outer casing is provided with a first thread
  • the lamp cap is provided with a mounting hole
  • the mounting hole is provided with a second thread
  • the lamp cap is sleeved on the connecting member.
  • the first thread is mated with the second thread.
  • an insulating ring is further disposed on the connecting member outside the outer casing and interposed between the outer casing and the lamp cap.
  • a sealing ring is further disposed on the connecting member outside the outer casing and interposed between the outer casing and the insulating ring.
  • the lamp cap is placed against the outer casing.
  • the connecting member has a substantially circular tubular structure, and the connecting member comprises a first segment and a second segment connected to each other, the outer peripheral surface of the second segment is provided with an external thread, and the outer diameter of the first segment is larger than The outer diameter of the second segment, the step is substantially annular, the inner diameter of the step is equal to or slightly larger than the outer diameter of the first segment, and the outer diameter of the second segment is smaller than the step The inner diameter, the outer diameter of the outer surface of the step is larger than the inner diameter of the step.
  • the clip protrudes from an outer peripheral wall of the first section of the connecting member.
  • the clip extends substantially in a circumferential direction of the connecting member.
  • the outer casing has a large-sized end and a small-sized end, the step having a first stop face facing a large-sized end of the outer casing, the first stop surface being substantially perpendicular to a centerline of the outer casing .
  • the connector has a second stop face facing the second segment, the second stop face being substantially perpendicular to a centerline of the connector.
  • the positioning groove is formed by the inner peripheral surface of the step, and the positioning groove has at least an opening penetrating the end face of the step facing the large end.
  • the positioning strip extends from the end of the strip facing the second section toward the second section.
  • the reinforcing strip extends from the strip toward the second section.
  • the reinforcing strip is simultaneously connected to the outer peripheral surface of the connecting member and the clip.
  • each of the strips is provided with one of the positioning strips and two of the reinforcing strips, and the two reinforcing strips are respectively adjacent to the two ends of the strip, and the positioning strip is adjacent to the middle of the strip.
  • the present application further provides an LED lamp, comprising the lamp cap connection structure of any one of the above LED lamps, further comprising a lamp board, a circuit board and a lamp cover, wherein the lamp board and the circuit board are disposed on the outer casing
  • the lamp cover is disposed on the outer casing.
  • the utility model further comprises a light board, a circuit board and a lamp cover, wherein the light board and the circuit board are disposed in the outer casing, and the lamp cover is disposed on the outer casing.
  • the connecting member only needs to pass through the outer casing from the outer casing, and the card strip on the connecting member is clamped on the card step to prevent the connecting member from falling out of the outer casing, and the lamp cap is connected to the outer side of the outer casing. Therefore, the connection structure of the lamp head of the LED lamp is very convenient to install and disassemble, and the connecting member eliminates the process steps of the existing connector to process the threaded hole, thereby improving the yield of the connector, thereby contributing to the reduction. The cost of manufacturing LED lights.
  • Figure 1 an exploded view of an LED lamp of the prior art
  • Figure 2 A cross-sectional view of an LED lamp of the prior art
  • FIG. 3 is an exploded view of a lamp joint structure of an LED lamp in the embodiment of the present application.
  • FIG. 4 is a cross-sectional view showing a lamp joint connection structure of an LED lamp in the embodiment of the present application.
  • Figure 5 is a perspective view of the outer casing of the lamp cap connection structure of the LED lamp in the embodiment of the present application.
  • Figure 6 is a perspective view of a connector of a lamp cap connection structure of an LED lamp in the embodiment of the present application.
  • Figure 7 is a perspective view showing one of the directions when the outer casing and the connecting member are assembled in the embodiment of the present application;
  • Fig. 8 is a perspective view showing the other direction in the case where the outer casing and the connecting member are assembled in the embodiment of the present application.
  • Lamp holder 1 Connector: 2 Shell: 3 Board: 4 Light board: 5 Shade: 6 Screw: 7 Insulation ring: 8 Sealing ring: 9 Mounting hole: 11 Second thread: 12 Threaded hole: 21 Card strip: 22 Positioning bar: 23 Reinforcement bar: 24 First thread: 25 Connection hole: 31 Cartridge: 32 Positioning slot: 33
  • an embodiment of the present application discloses a lamp cap connecting structure of an LED lamp, which comprises a casing 3, a lamp cap 1 and a connecting member 2.
  • the outer casing 3 is provided with a connecting hole 31, and the inner side of the connecting hole 31 is provided with a step 32.
  • a strip 22 is protruded from the connecting member 2, and the connecting member 2 passes out of the outer casing 3 through the connecting hole 31 from the outer casing 3, and the strip 22 abuts against the step 32.
  • the lamp cap 1 is disposed on the connecting member 2 located outside the outer casing 3.
  • the outer casing 3 is a swivel body and the outer casing 3 is substantially flared.
  • the outer casing 3 has a large-sized end and a small-sized end along the axial direction (center line direction) of the outer casing 3.
  • the lamp panel 5 and the lamp cover 6 can be mounted on the large-sized end of the outer casing 3.
  • the step 32 is connected to the inner wall or end face of the small-sized end.
  • the step 32 can be integrally formed with the small-sized end of the outer casing 3.
  • the connecting member 2 has a substantially circular tubular structure, and the connecting member 2 includes a first segment and a second segment that are connected to each other, the outer diameter of the first segment is larger than the outer diameter of the second segment, and the second The outer peripheral surface of the segment is provided with an external thread (i.e., the first thread 25).
  • the clip 22 is protruded from the outer peripheral wall of the connecting member 2, and the clip 22 extends substantially in the circumferential direction of the connecting member 2.
  • the step 32 has a substantially annular structure, the inner diameter of the step 32 is equal to or slightly larger than the outer diameter of the first portion of the connecting member 2, and the outer diameter of the second portion (including the thread) is smaller than the inner diameter of the step 32, the step 32
  • the outer surface corresponds to an outer diameter that is greater than the inner diameter of the step 32.
  • the step 32 corresponds to an inner peripheral wall projecting from the outer casing 3, and the step 32 has a first stop face facing the large end of the outer casing 3, and the first stop surface may be perpendicular to the center line of the outer casing 3.
  • the connecting piece 2 has a second stop face facing the second section, the second stop face being perpendicular to the centerline of the connecting piece 2.
  • the connecting member 2 When the connecting member 2 can be loaded into the outer casing 3 from the large-sized end of the outer casing 3, the second section of the connecting member 2 can pass through the hole defined by the step 32, and the connecting member 2 can abut against the step 32, further, first The stop surface abuts against the second stop surface.
  • a positioning groove 33 is defined in the connecting hole 31, and a positioning strip 23 is disposed on one side of the strip 22, and the positioning strip 23 is embedded in the positioning groove 33.
  • the positioning groove 33 may be recessed by the inner circumferential surface of the step 32, and the positioning groove 33 has at least an end surface extending through the step 32 facing the large end.
  • the opening in the embodiment shown in FIG. 5, the positioning groove 33 penetrates both end faces of the step 32 and corresponds to the formation of a notch, and the so-called end face refers to a face perpendicular to the center line of the step 32.
  • the number of the positioning grooves 33 is at least one, and in the embodiment shown in FIG. 5, three positioning grooves 33 are provided, and the three positioning grooves 33 may be uniformly arranged in the circumferential direction of the step 32.
  • the locating strip 23 extends from the end of the strip 22 facing the second section towards the second section.
  • the number of the positioning strips 23 is the same as the number of the positioning grooves 33, and the positioning strips 23 are evenly arranged along the circumferential direction of the connecting member 2, and the positioning strips 23 are matched in shape with the corresponding positioning grooves 33 so that the positioning strips 23 can be engaged.
  • Positioning slot 33 is the same as the number of the positioning grooves 33, and the positioning strips 23 are evenly arranged along the circumferential direction of the connecting member 2, and the positioning strips 23 are matched in shape with the corresponding positioning grooves 33 so that the positioning strips 23 can be engaged.
  • the other side of the clip 22 is provided with a reinforcing strip 24.
  • the function of the reinforcing strip 24 is to increase the firmness of the strip 22 and prevent breakage or collapse of the strip 22. That is, the reinforcing strip 24 extends from the strip 22 in a direction away from the second section.
  • the reinforcing strip 24 is simultaneously connected to the outer peripheral surface of the connecting member 2 and the clip 22.
  • the reinforcing strips 24 can at least assist the strips 22 to disperse forces along the axial direction of the connector 2, thereby preventing breakage or collapse of the strips 22.
  • Each of the strips 22 is correspondingly provided with a positioning strip 23 and two reinforcing strips 24, and the positioning strip 23 and the reinforcing strip 24 are respectively located on opposite sides of the strip 22.
  • the two reinforcing strips 24 are respectively adjacent to the two ends of the strip 22, and the positioning strip 23 is adjacent to the middle of the strip 22.
  • the connecting piece 2 on the outer side of the outer casing 3 (ie the second section of the connecting piece 2) is provided with a first thread 25 .
  • the lamp cap 1 is provided with a mounting hole 11 , and the mounting hole 11 is provided with a second thread 12 , the lamp cap 1 is sleeved on the connecting member 2 , the first thread 25 and the second thread 12 cooperation.
  • An insulating ring 8 is also provided, which is sleeved on the connecting piece 2 outside the outer casing 3 and interposed between the outer casing 3 and the base 1.
  • the insulating ring 8 can increase the insulation between the lamp cap 1 and the outer casing 3 to prevent leakage.
  • a sealing ring 9 is also provided, which is sleeved on the connecting piece 2 outside the outer casing 3 and between the outer casing 3 and the insulating ring 8.
  • the sealing ring 9 can increase the sealing property of the connecting structure and prevent external liquid from entering the outer casing 3 from the connecting hole 31.
  • the base 1 is mounted against the outer casing 3.
  • the inner side of the connecting member 2 is abutted against the step 32 by the strip 22 to prevent the connecting member 2 from falling out of the outer casing 3.
  • the outer side of the connecting member 2 is pressed against the outer casing 3 by the base 1 to prevent the connecting member 2 from falling into the outer casing 3.
  • the embodiment of the present application further provides an LED lamp, comprising the lamp head connecting structure of any one of the above LED lamps, further comprising a lamp board 5, a circuit board 4 and a lamp cover 6, wherein the lamp board 5 and the circuit board 4 are provided In the outer casing 3, the lamp cover 6 is disposed on the outer casing 3.
  • the lamp head connecting structure of the LED lamp of the present application the connecting member 2 only needs to pass through the outer casing 3 from the outer casing 3, and the card strip 22 on the connecting member 2 is stuck on the card step 31 to prevent the connecting member 2 from being
  • the housing 3 is dropped inside, and the base 1 is connected to the connecting member 2 on the outer side of the outer casing 3. Therefore, the lamp connecting structure of the LED lamp is very convenient to install and disassemble, and the connecting member eliminates the need for the threaded hole 21 to be processed by the existing connecting member.
  • the process steps improve the yield of the connector 2, thereby helping to reduce the manufacturing cost of the LED lamp.
  • the lamp joint structure of the LED lamp of the present application is very convenient to install and disassemble, and the connecting member eliminates the process steps of the existing connecting member to process the threaded hole, thereby improving the yield of the connector, thereby contributing to the reduction of the LED lamp. Production costs.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

一种LED灯的灯头连接结构及LED灯。灯头连接结构包括外壳（3）、灯头（1）和连接件（2）。外壳（3）上设有连接孔（31），连接孔（31）内侧设有卡阶（32）。连接件（2）上凸设有卡条（22），连接件（2）从外壳（3）内径连接孔（31）穿出外壳（3）外，卡条（22）抵靠卡阶（32）上，灯头（1）位于外壳（3）外侧的连接件（2）上。该灯头连接结构安装、拆卸方便，连接件（2）无需加工螺纹孔，有助于降低制作成本。还提供了一种包括该灯头连接结构的LED灯。

Description

一种LED灯的灯头连接结构及LED灯
本申请要求于2018年01月30日提交中国专利局的申请号为CN201820159055.0、名称为“一种LED灯的灯头连接结构”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及LED灯领域，尤其是涉及一种LED灯的灯头连接结构及LED灯。
背景技术
LED灯包括灯头1、外壳3和灯板5，灯板5设于外壳3内，灯头1与外壳3连为一体。目前市场上有一种LED灯，如图1-2所示，该LED灯包括灯头1、外壳3、灯板5和连接件2，外壳3上设有连接孔31，连接件2从外壳3外侧穿入连接孔31内，且连接件2上设有台阶抵靠于连接孔31的外侧，位于外壳3内的连接件2上设有螺纹孔21，灯板5在外壳3内抵靠于连接件2的端部以及外壳3侧壁并通过螺丝7拧入螺纹孔21内与连接件2锁紧于一体，通过上下卡紧使连接件2固定在外壳3上，灯头1螺纹连接在位于外壳3外侧的连接件2上。这种LED灯的灯头连接结构安装和拆卸时不够方便，且这种连接件2上需要打螺纹孔21，加工螺纹孔21时容易出现不规则的螺纹孔21，造成连接件2报废，从而使得LED灯的制作成本高。
发明内容
本申请的目的之一在于提供一种LED灯的灯头连接结构，安装和拆卸方便。
本申请采用的技术方案如下：
一种LED灯的灯头连接结构，包括外壳、灯头和连接件，所述外壳上设有连接孔，所述连接孔的内侧设有卡阶，所述连接件上凸设有卡条，所述连接件从所述外壳内经所述连接孔穿出所述外壳外，所述卡条抵靠于所述卡阶上，所述灯头设于位于外壳外侧的所述连接件上。
进一步地，所述连接孔内设有定位槽，所述卡条一侧设有定位条，所述定位条嵌入所述定位槽内。
进一步地，所述卡条的另一侧设有加强条。
进一步地，所述外壳外侧的所述连接件上设有第一螺纹，所述灯头上设有安装孔，所述安装孔内设有第二螺纹，所述灯头套设于所述连接件上，所述第一螺纹与所述第二螺纹配合。
进一步地，还包括绝缘圈，所述绝缘圈套设于所述外壳外的所述连接件上，且介于所述外壳与所述灯头之间。
进一步地，还包括密封圈，所述密封圈套设于所述外壳外的所述连接件上，且介于所述外壳与所述绝缘圈之间。
进一步地，所述灯头顶紧于所述外壳。
进一步地，所述连接件基本呈圆管状结构，连接件包括相互连接的第一段和第二段，所述第二段的外周面设置有外螺纹，所述第一段的外径大于所述第二段的外径，所述卡阶基本呈圆环状结构，所述卡阶的内径等于或者略大于所述第一段的外径，所述第二段的外径小于卡阶的内径，所述卡阶的外表面对应的外径大于卡阶的内径。
进一步地，所述卡条凸设于所述连接件的第一段的外周壁。
进一步地，所述卡条基本沿所述连接件的圆周方向延伸。
进一步地，所述外壳具有大尺寸端和小尺寸端，所述卡阶具有面向所述外壳的大尺寸端的第一止挡面，所述第一止挡面基本垂直于所述外壳的中心线。
进一步地，所述连接件具有面向第二段的第二止挡面，所述第二止挡面基本垂直于所述连接件的中心线。
进一步地，所述定位槽由卡阶的内周面凹陷形成，而且所述定位槽至少具有贯穿所述卡阶的面向大尺寸端的端面的开口。
进一步地，定位条由卡条的面向第二段的端朝第二段延伸。
进一步地，所述加强条由所述卡条朝向背离第二段的方向延伸。
进一步地，所述加强条同时与所述连接件的外周面及所述卡条连接。
进一步地，每个所述卡条对应设置一个所述定位条和两个所述加强条，两个所述加强条分别靠近卡条的两端，所述定位条靠近卡条的中部。
进一步地，本申请还提供了一种LED灯，包括上述的任一种LED灯的灯头连接结构，还包括灯板、电路板和灯罩，所述灯板以及所述电路板设于所述外壳内，所述灯罩设于所述外壳上。还包括灯板、电路板和灯罩，所述灯板以及所述电路板设于所述外壳内，所述灯罩设于所述外壳上。
本申请的有益效果是：
本申请的LED灯的灯头连接结构，连接件只需从外壳内穿出外壳外，利用连接件上的卡条卡在卡阶上防止连接件从外壳内掉出，灯头连接在外壳外侧的连接件上，因此这种LED灯的灯头连接结构安装和拆卸都非常方便，且连接件取消了现有连接件需要加工螺纹孔的工艺步骤，提高了连接件制作的成品率，从而有助于降低LED灯的制作成本。
附图说明
附图是用来提供对本申请的进一步理解，并构成说明书的一部分，与下面的具体实施方式一起用于解释本申请，但不应构成对本申请的限制。在附图中，
图1：现有技术中一种LED灯的爆炸视图；
图2：现有技术中一种LED灯的剖视图；
图3：本申请实施例中一种LED灯的灯头连接结构的爆炸视图；
图4：本申请实施例中一种LED灯的灯头连接结构的剖视图；
图5：本申请实施例中一种LED灯的灯头连接结构的外壳的立体图；
图6：本申请实施例中一种LED灯的灯头连接结构的连接件的立体图；
图7：本申请实施例中外壳与连接件装配时其中一个方向的立体图；
图8：本申请实施例中外壳与连接件装配时其中另一个方向的立体图。
各部件名称及其标号
灯头：1 连接件：2 外壳：3 电路板：4
灯板：5 灯罩：6 螺丝：7 绝缘圈：8
密封圈：9 安装孔：11 第二螺纹：12 螺纹孔：21
卡条：22 定位条：23 加强条：24 第一螺纹：25
连接孔：31 卡阶：32 定位槽：33  
具体实施方式
在本申请的描述中，还需要说明的是，除非另有明确的规定和限定，术语“设置”、“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本申请中的具体含义。
以下结合附图及实施例对本发明作进一步说明。
请参照图3-8所示，本申请的实施例公开一种LED灯的灯头连接结构，包括外壳3、灯头1和连接件2。所述外壳3上设有连接孔31，所述连接孔31的内侧设有卡阶32。所述连接件2上凸设有卡条22，所述连接件2从所述外壳3内经所述连接孔31穿出所述外壳3外，所述卡条22抵靠于所述卡阶32上，所述灯头1设于位于外壳3外侧的所述连接件2上。在本申请的可选实施例中，如图3和图5所示，外壳3为回转体，外壳3基本呈喇叭状结构。沿外壳3的轴向(中心线方向)，外壳3具有大尺寸端和小尺寸端。外壳3的大尺寸端可以安装灯板5及灯罩6。卡阶32连接于小尺寸端的内壁或者端面。卡阶32可以与外壳3的小尺寸端一体成型。
在本申请的可选实施例中，连接件2基本呈圆管状结构，连接件2包括相互连接的第一段和第二段，第一段的外径大于第二段的外径，第二段的外周面设置有外螺纹(即第一螺纹25)。卡条22凸设于连接件2的外周壁，卡条22基本沿连接件2的圆周方向延伸。
卡阶32基本呈圆环状结构，卡阶32的内径等于或者略大于连接件2的第一段的外径，第二段(包括螺纹)的外径小于卡阶32的内径，卡阶32的外表面对应的外径大于卡阶32的内径。卡阶32相当于凸设于外壳3的内周壁，卡阶32具有面向外壳3的大尺寸端的第一止挡面，第一止挡面可以垂直于外壳3的中心线。连接件2具有面向第二段的第二止挡面，第二止挡面可以垂直于连接件2的中心线。当连接件2可以从外壳3的大尺寸端装入外壳3，连接件2的第二段可以通过卡阶32限定的孔，而连接件2可抵靠于卡阶32，进一步地，第一止挡面与第二止挡面抵持。
所述连接孔31内设有定位槽33，所述卡条22一侧设有定位条23，所述定位条23嵌入所述定位槽33内。通过定位槽33与所述定位条23的配合，使连接件2在所述连接孔31中无法转动，为后续连接安装灯头1时提供便利性，防止在拧紧灯头1时连接件2发生转动，带来安装和拆卸的麻烦。
进一步地，在本申请的可选实施例中，如图5所示，定位槽33可由卡阶32的内周面凹陷形成，而且定位槽33至少具有贯穿卡阶32的面向大尺寸端的端面的开口，在图5所示的实施方式中，定位槽33贯穿了卡阶32的两个端面并相当于形成了缺口，所谓的端面是指垂直于卡阶32的中心线的面。定位槽33的数量至少为一个，在图5所示的实施方式中设置了三个定位槽33，并且三个定位槽33可以沿卡阶32的圆周方向均匀布置。
如图6所示，定位条23由卡条22的面向第二段的端朝第二段延伸。定位条23的数量与定位槽33的数量相同，并且定位条23沿连接件2的圆周方向均匀布置，定位条23与所对应的定位槽33形状大小匹配，以使定位条23可以卡入对应的定位槽33。
所述卡条22的另一侧设有加强条24。加强条24的作用是增加卡条22的牢固性，防止卡条22的断裂或崩塌。即加强条24由卡条22朝向背离第二段的方向延伸。加强条24同时与连接件2的外周面及卡条22连接。加强条24至少能够帮助卡条22分散沿连接件2轴向的力，进而防止卡条22的断裂或崩塌。每一个卡条22对应设置一个定位条23和两个加强条24，定位条23和加强条24分别位于卡条22的相对两侧。两个加强条24分别靠近卡条22的两端，定位条23靠近卡条22的中部。
连接件2安装于外壳3后，第一止挡面与第二止挡面接触时，由于连接件2的第二段可以穿过卡阶32，所以连接件2的第二段位于外壳的外侧，所述外壳3外侧的所述连接件2(即连接件2的第二段)上设有第一螺纹25。所述灯头1上设有安装孔11，所述安装孔11内设有第二螺纹12，所述灯头1套设于所述连接件2上，所述第一螺纹25与所述第二螺纹12配合。
当灯头1与连接件2连接后，卡阶32被夹持在灯头1与连接件2之间，进而灯头1、连接件2及外壳3实现连接。
还包括绝缘圈8，所述绝缘圈8套设于所述外壳3外的所述连接件2上，且介于所述外壳3与所述灯头1之间。绝缘圈8可增加灯头1与外壳3之间的绝缘性，防止漏电。
还包括密封圈9，所述密封圈9套设于所述外壳3外的所述连接件2上，且介于所述外壳3与所述绝缘圈8之间。密封圈9可增加连接结构的密封性，防止外界液体从连接孔31进入外壳3内。
所述灯头1顶紧于所述外壳3。连接件2内侧由卡条22顶靠于卡阶32上，防止连接件2掉出外壳3外，连接件2外侧由灯头1顶紧于外壳3，防止连接件2掉入外壳3内。
本申请实施例还提供了一种LED灯，包括上述的任一种LED灯的灯头连接结构，还包括灯板5、电路板4和灯罩6，所述灯板5以及所述电路板4设于所述外壳3内，所述灯罩6设于所述外壳3上。
综上所述，本申请的LED灯的灯头连接结构，连接件2只需从外壳3内穿出外壳3外，利用连接件2上的卡条22卡在卡阶31上防止连接件2从外壳3内掉出，灯头1连接在外壳3外侧的连接件2上，因此这种LED灯的灯头连接结构安装和拆卸都非常方便，且连接件取消了现有连接件需要加工螺纹孔21的工艺步骤，提高了连接件2制作的成品率，从而有助于降低LED灯的制作成本。
以上所述仅为本发明的优选实施方式而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。
工业实用性
本申请的LED灯的灯头连接结构，安装和拆卸都非常方便，且连接件取消了现有连接件需要加工螺纹孔的工艺步骤，提高了连接件制作的成品率，从而有助于降低LED灯的制作成本。

Claims (19)

  1. 一种LED灯的灯头连接结构，其特征在于，包括外壳(3)、灯头(1)和连接件(2)，所述外壳(3)上设有连接孔(31)，所述连接孔(31)的内侧设有卡阶(32)，所述连接件(2)上凸设有卡条(22)，所述连接件(2)从所述外壳(3)内经所述连接孔(31)穿出所述外壳(3)外，所述卡条(22)抵靠于所述卡阶(32)上，所述灯头(1)设于位于外壳(3)外侧的所述连接件(2)上。
  2. 根据权利要求1所述的一种LED灯的灯头连接结构，其特征在于，所述连接孔(31)内设有定位槽(33)，所述卡条(22)一侧设有定位条(23)，所述定位条(23)嵌入所述定位槽(33)内。
  3. 根据权利要求2或3所述的一种LED灯的灯头连接结构，其特征在于，所述卡条(22)的另一侧设有加强条(24)。
  4. 根据权利要求1至3任意一项所述的一种LED灯的灯头连接结构，其特征在于，所述外壳(3)外侧的所述连接件(2)上设有第一螺纹(25)，所述灯头(1)上设有安装孔(11)，所述安装孔(11)内设有第二螺纹(12)，所述灯头(1)套设于所述连接件(2)上，所述第一螺纹(25)与所述第二螺纹(12)配合。
  5. 根据权利要求1至4任意一项所述的一种LED灯的灯头连接结构，其特征在于，还包括绝缘圈(8)，所述绝缘圈(8)套设于所述外壳(3)外的所述连接件(2)上，且介于所述外壳(3)与所述灯头(1)之间。
  6. 根据权利要求1至5任意一项所述的一种LED灯的灯头连接结构，其特征在于，还包括密封圈(9)，所述密封圈(9)套设于所述外壳(3)外的所述连接件(2)上，且介于所述外壳(3)与所述绝缘圈(8)之间。
  7. 根据权利要求1至6任意一项所述的一种LED灯的灯头连接结构，其特征在于，所述灯头(1)顶紧于所述外壳(3)。
  8. 根据权利要求1至7任意一项所述的一种LED灯的灯头连接结构，其特征在于，还包括灯板(5)、电路板(4)和灯罩(6)，所述灯板(5)以及所述电路板(4)设于所述外壳(3)内，所述灯罩(6)设于所述外壳(3)上。
  9. 根据权利要求1至8任意一项所述的一种LED灯的灯头连接结构，其特征在于，所述连接件基本呈圆管状结构，连接件包括相互连接的第一段和第二段，所述第二段的外周面设置有外螺纹，所述第一段的外径大于所述第二段的外径，所述卡阶基本呈圆环状结构，所述卡阶的内径等于或者略大于所述第一段的外径，所述第二段的外径小于卡阶的内径， 所述卡阶的外表面对应的外径大于卡阶的内径。
  10. 根据权利要求1至9任意一项所述的一种LED灯的灯头连接结构，其特征在于，所述卡条凸设于所述连接件的第一段的外周壁。
  11. 根据权利要求1至10任意一项所述的一种LED灯的灯头连接结构，其特征在于，所述卡条基本沿所述连接件的圆周方向延伸。
  12. 根据权利要求1至11任意一项所述的一种LED灯的灯头连接结构，其特征在于，所述外壳具有大尺寸端和小尺寸端，所述卡阶具有面向所述外壳的大尺寸端的第一止挡面，所述第一止挡面基本垂直于所述外壳的中心线。
  13. 根据权利要求1至12任意一项所述的一种LED灯的灯头连接结构，其特征在于，所述连接件具有面向第二段的第二止挡面，所述第二止挡面基本垂直于所述连接件的中心线。
  14. 根据权利要求1至13任意一项所述的一种LED灯的灯头连接结构，其特征在于，所述定位槽由卡阶的内周面凹陷形成，而且所述定位槽至少具有贯穿所述卡阶的面向大尺寸端的端面的开口。
  15. 根据权利要求1至14任意一项所述的一种LED灯的灯头连接结构，其特征在于，定位条由卡条的面向第二段的端朝第二段延伸。
  16. 根据权利要求1至15任意一项所述的一种LED灯的灯头连接结构，其特征在于，所述加强条由所述卡条朝向背离第二段的方向延伸。
  17. 根据权利要求1至16任意一项所述的一种LED灯的灯头连接结构，其特征在于，所述加强条同时与所述连接件的外周面及所述卡条连接。
  18. 根据权利要求1至17任意一项所述的一种LED灯的灯头连接结构，其特征在于，每个所述卡条对应设置一个所述定位条和两个所述加强条，两个所述加强条分别靠近卡条的两端，所述定位条靠近卡条的中部。
  19. 一种LED灯，其特征在于，包括灯板、灯罩及根据权利要求1至18任意一项所述的LED灯的灯头连接结构。
PCT/CN2018/084632 2018-01-30 2018-04-26 一种led灯的灯头连接结构及led灯 WO2019148676A1 (zh)

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CN201897108U (zh) * 2010-11-07 2011-07-13 深圳市莱帝亚照明有限公司 一种便于维护的led球体灯
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