WO2016082301A1 - 一种灯具固定装置、固定座及连接座 - Google Patents

一种灯具固定装置、固定座及连接座 Download PDF

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Publication number
WO2016082301A1
WO2016082301A1 PCT/CN2015/000820 CN2015000820W WO2016082301A1 WO 2016082301 A1 WO2016082301 A1 WO 2016082301A1 CN 2015000820 W CN2015000820 W CN 2015000820W WO 2016082301 A1 WO2016082301 A1 WO 2016082301A1
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WO
WIPO (PCT)
Prior art keywords
seat
fixing
disposed
body portion
electrical connection
Prior art date
Application number
PCT/CN2015/000820
Other languages
English (en)
French (fr)
Inventor
余飞
陈明
娄迪
Original Assignee
欧普照明股份有限公司
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Filing date
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Application filed by 欧普照明股份有限公司 filed Critical 欧普照明股份有限公司
Publication of WO2016082301A1 publication Critical patent/WO2016082301A1/zh

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    • 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
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
    • F21V21/03—Ceiling bases, e.g. ceiling roses
    • 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
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/14—Bayonet-type fastening
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/002—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips making direct electrical contact, e.g. by piercing
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/10—Pendants, arms, or standards; Fixing lighting devices to pendants, arms, or standards
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors

Definitions

  • the invention is a Chinese invention patent application No. 2014107129598 filed on November 28, 2014, and the invention creation name is a divisional application of [a lamp holder and a lamp connector and a lamp fixing device].
  • the invention relates to a lamp fixture and a lamp connector.
  • the invention also relates to a fixing device, and more particularly to a lamp fixing device.
  • the object of the present invention is to provide a lamp fixing device, a fixing base and a connecting seat which are quick and convenient to install.
  • the invention discloses a lamp fixing device, which comprises a fixing seat and a connecting seat.
  • the fixing base has a first main body portion, and a first electrical connection portion is disposed in a middle portion of the first main body portion.
  • the connecting base has a second body portion, the connecting seat The second main body portion is provided with a second receiving cavity for receiving the first main body portion of the fixing base, and a second electric portion electrically connected to the first electrical connecting portion is disposed at a central position of the second receiving cavity Connection.
  • the first electrical connection portion includes a first receiving slot, a second receiving slot, and a third receiving slot that are disposed in the middle of the first body portion and are respectively disposed in the first, second, and third receiving slots.
  • L electrode, ground electrode and N electrode are respectively disposed in the first, second, and third receiving slots.
  • the second electrical connection portion includes a first conductive terminal, a second conductive terminal and a third conductive terminal which are concentrically distributed from the outside to the inside.
  • a first joint portion is disposed outside the bottom end surface of the first body portion of the fixing seat; a second joint portion is disposed on the inner wall of the second receiving cavity to be coupled with the first joint portion, the joint portion
  • the mechanical connection between the first joint portion of the fixing seat and the second joint portion of the connecting seat can be released by first pushing the connecting seat and then axially rotating the connecting seat. And an electrical connection between the first electrical connection of the mount and the second electrical connection of the mount, thereby enabling disassembly of the luminaire.
  • the lamp fixture further has an elastic member configured to apply an axial force between the fixing seat and the connecting seat to avoid the assembled seat and the fixing after assembly Relative displacement between the seats.
  • the elastic member is disposed on a bottom end surface of the first body portion of the fixing seat at a position close to the first joint portion, and the elastic member is used at a first joint portion of the fixing seat When the second joint portion of the connecting seat is connected, an axial force is applied to the bottom end surface of the second receiving cavity.
  • the elastic member is disposed on a bottom end surface of the second receiving cavity of the connecting seat near the second joint portion, and the elastic member is used for the first joint portion of the fixing seat Second connection of the connector When the portion is connected, an axial force is applied to the bottom end surface of the first body portion of the fixing seat.
  • the elastic member is simultaneously disposed on a bottom end surface of the first body portion of the fixing seat and on a bottom end surface of the second receiving cavity of the connecting seat.
  • the elastic member is uniformly disposed at a position close to the first joint portion with the center of the bottom end surface of the first body portion as a center.
  • the elastic member is uniformly disposed at a position close to the second joint portion with the center of the bottom end surface of the second receiving cavity of the connecting seat as a center.
  • the elastic member is a spring, a metal dome structure, or is composed of an elastic portion and a pressing portion fixedly coupled to the elastic portion.
  • the invention discloses a fixing seat for fixing and connecting to a base body and combined with a lamp connecting seat combined with the lamp.
  • the fixing base has a main body portion, and the fixing base has a first main body portion, and a first electrical connecting portion is disposed in a middle portion of the first main body portion.
  • the first electrical connection portion includes a first receiving slot, a second receiving slot, and a third receiving slot that are disposed in the middle of the first body portion and are respectively disposed in the first, second, and third receiving slots.
  • L electrode, ground electrode and N electrode are respectively disposed in the first, second, and third receiving slots.
  • the fixing seat further has an elastic element configured to apply an axial force between the fixing seat and the connecting seat used with the fixing seat to avoid after assembly A relative displacement is generated between the connecting seat and the fixing seat.
  • the invention discloses a connecting seat for connecting a lamp and a fixing seat.
  • the connecting base has a main body portion, and the main body portion of the connecting seat is provided with a receiving cavity for receiving the fixing base, and an electrical connection portion facing the inner wall of the receiving cavity is disposed at a central position of the receiving cavity.
  • the electrical connection portion includes a first conductive terminal, a second conductive terminal, and a third conductive terminal that are concentrically distributed from the outside to the inside.
  • the inner wall of the receiving cavity is provided with at least one joint, and the electrical connecting portion faces the joint.
  • the receiving cavity is circular, the first and second conductive terminals are annular, and the at least one joint portion is disposed on the inner wall of the receiving cavity.
  • the third conductive terminal is in the shape of a needle, and the central position of the sub-accommodating cavity is set.
  • a lamp fixing device wherein the electrical connection portion provided in the middle portion and the joint portion provided on the periphery of the electrical connection portion are mechanically and electrically connected.
  • the first, second and third conductive terminals or electrodes arranged concentrically can realize electrical connection quickly and accurately, and the annular arrangement can ensure electrical connection at any angle.
  • Figure 1 is a perspective view of a lamp fixture in accordance with a preferred embodiment of the present invention.
  • FIG. 2 is an exploded view of the mount in a viewing angle in accordance with a preferred embodiment of the present invention.
  • Figure 3 is an exploded view of the mount in a plan view, in accordance with a preferred embodiment of the present invention.
  • FIG. 4 is an exploded view of a connector in accordance with a preferred embodiment of the present invention.
  • first receiving groove 41 a first receiving groove 41, a second receiving groove 42, and a third receiving groove 43;
  • U-shaped mounting groove 5 open end 51, limiting structure 52, guiding portion 53, hook portion 54;
  • the elastic member 10 The elastic member 10, the elastic portion 101, and the pressing portion 102.
  • the lamp fixing device of the preferred embodiment of the present invention includes a mating base 1 and a connecting base 2, wherein the fixing base 1 is pre-mounted on a base such as a tail top or a ceiling, and the connecting seat 2 is pre-installed in the luminaire.
  • the holder 1 includes a first body portion 1A having a cylindrical cavity, and a first joint portion is provided outside the bottom end surface of the first body portion 1A of the holder 1, at the center of the bottom end surface of the first body portion 1A.
  • a first receiving cavity 1B recessed into the cavity of the first body portion 1A is disposed, and a first electrical connecting portion is disposed in the first receiving cavity 1B.
  • the connecting base 2 has a second main body portion 2A.
  • the second main body portion 2A of the connecting base 2 is provided with a second receiving cavity 2B for receiving the first main body portion 1A of the fixing base 1.
  • the inner wall of the second receiving cavity 2B is A second joint portion is provided, and a second electrical connection portion is provided at a central position of the second receiving chamber 2B.
  • the operator When the luminaire needs to be mounted on a base such as a roof or a ceiling, the operator only needs to push up the connecting base 2, so that the second receiving cavity 2B of the second main body portion 2A of the connecting base 2 receives the first main body of the fixing base 1.
  • the portion 1A and then only by axially rotating the connecting seat 2, can simultaneously realize the mechanical connection between the first joint portion of the fixed seat 1 and the second joint portion of the joint seat 2 and the first electrical connection portion and connection of the fixed seat 1
  • the electrical connection between the second electrical connections of the seat 2 in turn, achieves a mechanical and electrical connection of the luminaire.
  • the term "axial direction" used in the preferred embodiment of the present invention means the axial direction of the fixing base 1.
  • push up means that the connecting seat 2 is pushed in the axial direction toward the mounting seat 1 or the connecting seat 2 is oriented in the axial direction toward the connecting seat 2 and the fixed seat.
  • the relative distance between 1 is pushed in a direction that decreases.
  • the operator When disassembling the luminaire, the operator only needs to push up the connector 2 and then rotate the connector 2 in the opposite direction, and then the connector 2 Separating from the fixed seat 1 to release the mechanical connection between the first joint of the fixed seat 1 and the second joint of the joint 2 and the second electrical connection of the first electrical connection of the fixed seat 1 to the joint 2 The electrical connection between the parts, which in turn removes the luminaire.
  • the lamp fixing device of the preferred embodiment of the present invention the operator can realize quick installation and disassembly of the lamp, so that the use is simple and the maintenance is convenient.
  • the luminaire fixing device further has an elastic member 10 configured to apply an axial force between the fixing seat 1 and the connecting seat 2 to avoid a relative relationship between the assembled connecting seat 2 and the fixed seat 1.
  • the displacement ensures that the connecting seat 2 does not move up, down, left and right relative to the fixed seat 1 after the completion of the installation of the lamp.
  • the elastic member 10 may be disposed at a position on the bottom end surface of the first body portion of the fixing base near the first joint portion for the first joint portion and the joint portion of the fixing seat. When the second joint is connected, an axial force is applied to the bottom end surface of the second receiving cavity.
  • the elastic member 10 may also be disposed at a position on the bottom end surface of the second receiving cavity of the connecting seat near the second joint portion (not shown) for the first joint portion and the joint portion of the fixing seat. When the two joint portions are connected, an axial force is applied to the bottom end surface of the first body portion of the fixing seat. Further, the elastic member 10 may be simultaneously disposed on the bottom end surface of the first body portion of the mount and on the bottom end surface of the second housing chamber of the connector (not shown). Further, the elastic member 10 is a structure such as a spring or other metal dome. Preferably, as shown in FIG.
  • the elastic member 10 disposed on the bottom end surface of the first body portion of the fixing base includes an elastic portion 101 and a pressing portion 102, and the pressing portion 102 is fixedly coupled with the elastic portion 101 when the fixing seat is fixed.
  • the connecting seat 2 When the connecting seat 2 is connected, the elastic portion 101 is pressed by the protective cover, so that the pressing portion 102 of the elastic member 10 is pressed downward toward the bottom end surface of the cavity of the connecting seat 2, and the elastic portion 101 is under pressure.
  • An axial force is generated between the fixed seat 1 and the connecting seat 2 to ensure that the connecting seat 2 does not move up and down and left and right relative to the fixed seat 1 after the installation of the lamp is completed.
  • the elastic member 10 is uniformly disposed at a position close to the first joint portion at the center of the bottom end surface of the first body portion 1A or at the bottom end surface of the second receiving chamber 2B of the joint seat 2
  • the center is uniformly disposed at a position close to the second joint.
  • the number of the elastic members 10 and the number of the first joints or the second joints Consistently, and the elastic member 10 and the first joint portion and the second joint portion are both arranged in a straight line in the radial direction.
  • the number of elastic elements 10 is three.
  • the first joint portion of the fixing base 1 is at least two projections 3 disposed along the circumferential direction of the first body portion 1A of the fixing base 1.
  • the second joint portion of the connecting seat 2 is correspondingly at least two U-shaped mounting grooves 5 circumferentially disposed along the inner wall of the second receiving cavity 2B.
  • the U-shaped mounting groove 5 includes an open end 51 and a limiting structure 52.
  • the limiting structure 52 of the U-shaped mounting groove 5 has a height difference from the open end 51 , and the limiting structure 52 is higher than the open end 51 .
  • the connecting seat 2 is pushed up, and the axial force of the elastic member 10 against the connecting seat 2 is overcome, and the bump 3 of the connecting seat 2 is pushed to the vicinity of the open end 51 of the U-shaped mounting groove 5, and then the bump is pushed. 3 enters from the open end 51 of the U-shaped mounting groove 5 and rotates along the circumferential direction of the second receiving cavity inner wall 2B to abut against the inner side wall of the limiting structure 52.
  • the connecting seat 2 Due to the axial force of the elastic element 10, the connecting seat 2 will be moved axially away from the fixing seat 1 until the top surface of the projection 3 of the fixing seat 1 and the limiting structure 52 of the connecting seat 2 The top surfaces are fitted to each other to achieve a mechanical connection between the first joint of the mount 1 and the second joint of the joint 2. After that, between the fixing seat 1 and the connecting seat 2, the axial force generated by the elastic member 10 is always present, and the fixing seat 1 and the connecting seat 2 are more firmly engaged with each other under the action of the gravity of the lamp itself. There will be no swaying of the lamps up and down and left and right.
  • the number of the second joints is a multiple relationship with the number of the first joints, and the number of the second joints is not less than the number of the first joints.
  • the number of the first joint portions for example, the number of the bumps 3 is preferably three
  • the number of the second joint portions for example, the U-shaped mounting grooves 5 is six
  • the three bumps 3 are spaced apart from each other by the same angle.
  • the six U-shaped mounting slots 5 are spaced apart from each other by the same angle. With such a configuration, only a small angle rotation is required.
  • the mechanical connection between the first joint of the fixing seat 1 and the second joint of the connecting seat 2 makes the installation and disassembly of the lamp faster.
  • the U-shaped mounting groove 5 further has a triangular guide portion 53 for guiding when the projection 3 of the fixing base 1 and the U-shaped mounting groove 5 of the connecting seat 2 are connected.
  • the top end of the guiding portion 53 faces the bottom end surface of the fixing base 1, and the two sides of the guiding portion 53 are small inclined surfaces. Under the guiding action of the small inclined surface, the operator can quickly and accurately place the bump 3 in the U-shaped shape.
  • the positional mounting of the bump 3 and the U-shaped mounting groove 5 is not required to be clearly observed, and the blind mounting of the lamp can be realized only by the hand feeling.
  • the U-shaped mounting groove 5 further has a hooking portion 54 which is a small inclined surface which is adjacent to the open end 51 of the U-shaped mounting groove 5 and extends toward the bottom end surface of the second receiving cavity 2B.
  • a hooking portion 54 which is a small inclined surface which is adjacent to the open end 51 of the U-shaped mounting groove 5 and extends toward the bottom end surface of the second receiving cavity 2B.
  • This configuration of first pushing up and then rotating the connecting seat 2 to disassemble the luminaire reduces the possibility of the operator disassembling the luminaire due to misoperation, reduces the possibility of danger caused by the child disassembling the luminaire, and improves the fixing seat 1 and the connecting seat.
  • the first electrical connection portion of the fixing base 1 includes a first receiving groove 41 , a second receiving groove 42 , and a third receiving groove 43 .
  • the inner wall of the first receiving cavity 1B of the fixing base 1 constitutes a cylindrical first insulating portion having a certain height, and a cylindrical second insulating portion which is parallel to the first insulating portion and is equal in height is provided in the first insulating portion.
  • the cylindrical body of the first main body portion 1A of the fixing base 1 is provided with an L electrode 91, an N electrode 93, and a grounding pole 92.
  • the three metal electrodes are bent and connected to the spring piece located above it; the fixed seat 1 is further provided with three switch buttons, the switch button acts on the spring piece; in addition, the fixed seat 1 is also provided with a protective cover It is mounted on the mount 1 for protecting the L electrode 91, the N electrode 93, and the grounding pole 92.
  • the L electrode 91, the N electrode 93, the grounding electrode 92, the protective cover, the switch button, and the spring piece are all disposed in the cylindrical cavity of the first body portion 1A of the fixed seat 1.
  • the second electrical connection portion of the connection base 2 includes a first conductive terminal 61, a second conductive terminal 63 and a third conductive terminal 62 which are sequentially distributed from the outside to the inside, when the fixing seat 1 is
  • the first conductive terminal 61, the second conductive terminal 63 and the third conductive terminal 62 are respectively accommodated in the first receiving groove 41, the second receiving groove 42 and the first
  • the three receiving slots 43 are electrically connected to the electrodes in the receiving slots, thereby achieving electrical connection between the first electrical connecting portion of the fixed seat 1 and the second electrical connecting portion of the connecting base 2.
  • first conductive terminal 61 and the second conductive terminal 63 are metal rings respectively adapted to the size and shape of the first receiving slot 41 and the second receiving slot 42
  • the third conductive terminal 62 is the third receiving slot 43 metal pins of different size and shape.
  • the contact area enables the first electrical connection portion and the second electrical connection portion to be electrically connected in any relative rotational positioning direction, while the first conductive portion, the second insulating portion and the third insulating portion will be electrically conductive
  • the terminal 61, the second conductive terminal 63 and the third conductive terminal 62 are completely spaced apart from each other, thereby improving the safety of power consumption.
  • the first body portion 1A of the fixing base 1 is formed with a flange mounting portion 7 projecting outwardly from the upper end edge thereof, through which the fixing seat 1 is attached to the roof or ceiling A matrix connection such as this.
  • the flange mounting portion 7 is provided with a plurality of screw holes for screwing to the roof or the ceiling.
  • the second main body portion 2A of the connecting base 2 is formed with an annular mounting portion 8 projecting outwardly from the upper end edge thereof, and the lamp is connected to the connecting base 2 through the annular mounting portion 8. .
  • the wires pre-set on the roof or the ceiling are respectively peeled off, and the stripping length is preferably 8 to 10 mm, and then the corresponding switch wires of the electrodes on the fixing base 1 are pressed, respectively, and the corresponding wires are inserted, and then passed through the flange mounting portion 7.
  • a plurality of screw holes are provided to be screwed to the roof or the ceiling, so that the fixing seat 1 can be fixed to the roof or the ceiling.
  • the connecting base 2 and the fixing base 1 are aligned in the center, and the connecting base 2 is pushed up, so that the first conductive terminal 61, the second conductive terminal 63 and the third conductive terminal 62 are respectively accommodated in the first receiving slot 41 and the second receiving slot. 42 and the third receiving groove 43.
  • the connecting base 2 is rotated so that the projection 3 of the fixing base 1 is loaded from the open end 51 of the U-shaped mounting groove 5, and rotates along the circumferential direction of the inner wall of the second receiving cavity 2B until it is rotated to the U-shaped mounting groove 5.
  • the limit structure 52 is installed in place.
  • the first receiving slot 41, the second receiving slot 42 and the third receiving slot 43 are disposed in the center of the bottom end surface of the fixing base 1.
  • the L electrode 91, the grounding pole 92 and the N electrode 93 are respectively disposed in the first receiving slot 41, In the second receiving groove 42 and the third receiving groove 43, one ends of the L electrode 91, the grounding electrode 92, and the N electrode 93 are respectively connected to a wire preset in the ceiling; when the connecting base 2 is connected to the fixing base 1, the connection is made.
  • the first conductive terminal 61, the second conductive terminal 63, and the third conductive terminal 62 of the seat 2 are inserted into the first receiving slot 41, the second receiving slot 42, and the third receiving slot 43 of the mounting base 1, and further with the L electrode.
  • the core of the invention is that the mechanical connection and the electrical connection of the luminaire can be completed simultaneously by only one rotation action, thereby implementing the installation of the luminaire; the core of the invention is also that the mechanical connection and electrical connection of the luminaire can be cancelled by the action of pushing up and rotating.
  • the connection in turn, achieves the disassembly of the luminaire; the core of the invention is also to provide a number of embodiments to illustrate in detail the specific construction of the mechanical and electrical connections of the luminaire.
  • the embodiments of the invention should not be construed as limiting the invention in any way.
  • the electrodes may be used as the electrodes; in the above embodiment of the present invention
  • the arrangement order of the L electrode 91, the grounding electrode 92, and the N electrode 93 is set, but the electrode order may be adjusted as needed; in the above preferred embodiment of the present invention, the bump 3 and the U-shaped mounting groove 5 are used.
  • the mechanical connection of the luminaire can be realized by the way of the engagement, but the effect of preventing the detachment can also be achieved by using the ribs and the slots and the ribs.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

一种灯具固定装置，包括固定座（1）和连接座（2）。固定座（1）设置有第一电气连接部。连接座（2）具有第二电气连接部。所述第一电气连接部包括同心设置的第一收容槽（41）、第二收容槽（42）、第三收容槽（43），以及分别容置于第一、第二、第三收容槽内的L电极（91）、接地极（92）以及N电极（93）。所述第二电气连接部包括同心分布的第一导电端子（61）、第二导电端子（63）和第三导电端子（62）。所述第一导电端子（61）、第二导电端子（63）和第三导电端子（62）分别容纳于所述第一收容槽（41）、第二收容槽（42）以及第三收容槽（43）中，并分别与L电极（91）、接地极（92）以及N电极（93）形成电性连接。操作者能实现对灯具的快捷安装和拆卸，使用简单、维护方便。

Description

一种灯具固定装置、固定座及连接座
本发明是2014年11月28日递交的中国发明专利申请第2014107129598号，发明创造名称为【一种灯具固定座和灯具连接座以及一种灯具固定装置】的分案申请。
技术领域
本发明涉及一种灯具固定座以及一种灯具连接座。
本发明还涉及一种固定装置，尤其涉及一种灯具固定装置。
技术背景
目前，在灯具安装时，需要拆卸面罩或装饰盖，并进行钻孔、打螺钉、电线接线等步骤，整个安装过程复杂，且需要专业人员操作，因此安装和维护非常的不方便，效率低、成本高。在实际的安装过程中，因为灯具一般安装于屋顶或天花极上，故需先拆卸下灯罩，然后直按通过自攻螺钉或机牙螺钉将灯体固定，再将电源线接入灯具，最后盖上面罩。因此在安装时非常不方便，效率非常低。并且在一个人操作的情况下，必须一边单手托住灯具，一边用另一只手进行旋紧或松脱螺钉，非常容易发生安全事故，安装和维修都不方便，故在灯具安装时需要专业人员进行操作。
发明概要
为了克服上述技术缺陷，本发明的目的在于提供了一种安装快捷、方便的灯具固定装置、固定座及连接座。
本发明公开了一种灯具固定装置，包括固定座和连接座。所述固定座具有第一主体部，第一主体部中部设置有第一电气连接部。所述连接座具有第二主体部，所述连接座 的第二主体部设置有用于收容所述固定座的第一主体部的第二收容腔，在所述第二收容腔的中央位置处设置有与第一电气连接部电性连接的第二电气连接部。所述第一电气连接部包括开设于第一主体部中部并同心设置的第一收容槽、第二收容槽、第三收容槽，以及分别容置于第一、第二、第三收容槽内的L电极、接地极以及N电极。所述第二电气连接部包括由外向内依次同心分布的第一导电端子、第二导电端子和第三导电端子，所述固定座与所述连接座结合时，所述第一导电端子、第二导电端子和第三导电端子分别容纳于所述第一收容槽、第二收容槽以及第三收容槽中，并分别与L电极、接地极以及N电极形成电性连接从而实现所述固定座的第一电气连接部与所述连接座的第二电气连接部之间的电气连接。
优选地，所述固定座的第一主体部的底端面外侧设置有第一结合部；在所述第二收容腔的内壁上设置有第二结合部与第一结合部结合，所述连接座与所述固定座之间先通过上推所述连接座再轴向旋转所述连接座便能够解除所述固定座的第一结合部与所述连接座的第二结合部之间的机械连接和所述固定座的第一电气连接部与所述连接座的第二电气连接部之间的电气连接，进而实现所述灯具的拆卸。
优选地，所述灯具固定装置还具有弹性元件，所述弹性元件配置为在所述固定座和所述连接座之间施加轴向作用力，以避免组装后的所述连接座与所述固定座之间产生相对位移。
优选地，所述弹性元件设置在所述固定座的第一主体部的底端面上靠近所述第一结合部的位置处，所述弹性元件用于在所述固定座的第一结合部与所述连接座的第二结合部连接时向所述第二收容腔的底端面施加轴向作用力。
优选地，所述弹性元件设置在所述连接座的第二收容腔的底端面上靠近所述第二结合部的位置处，所逑弹性元件用于在所述固定座的第一结合部与所述连接座的第二结合 部连接时向所述固定座的第一主体部的底端面施加轴向作用力。
优选地，所述弹性元件同时设置在所述固定座的第一主体部的底端面上以及在所述连接座的第二收容腔的底端面上。
优选地，所述弹性元件以所述第一主体部的底端面的中心为圆心均匀地设置在靠近所述第一结合部的位置处。
优选地，所述弹性元件以所述连接座的第二收容腔的底端面的中心为圆心均匀地设置在靠近所述第二结合部的位置处。
优选地，所述弹性元件为弹簧、金属弹片结构，或者由弹性部和与所述弹性部固定连接的按压部组成。
本发明公开了一种固定座，用于固定连接于基体并与与灯具结合的灯具连接座结合。所述固定座具有主体部，所述固定座具有第一主体部，第一主体部中部设置有第一电气连接部。所述第一电气连接部包括开设于第一主体部中部并同心设置的第一收容槽、第二收容槽、第三收容槽，以及分别容置于第一、第二、第三收容槽内的L电极、接地极以及N电极。
优选地，所述固定座还具有弹性元件，所述弹性元件配置为在所述固定座和与所述固定座配合使用的所述连接座之间施加轴向作用力，以避免在组装后的所述连接座与所述固定座之间产生相对位移。
本发明公开了一种连接座用于连接灯具及固定座。所述连接座具有主体部，所述连接座的主体部设置有用于收容所述固定座的收容腔，在所述收容腔的中央位置处设置有面对所述收容腔内壁的电气连接部。所述电气连接部包括由外向内依次同心分布的第一导电端子、第二导电端子和第三导电端子。
优选地，所述收容腔内壁设置有至少一个结合部，所述电气连接部面对所述结合部。
优选地，所述收容腔为圆形，所述第一、第二导电端子为环形，所述至少一个结合部环设于收容腔内壁。
优选地，所述第三导电端子为针状，设置子收容腔中心位置。
采用了上述技术方案后，与现有技术相比，具有以下有益效果：
1.通过本发明优选实施例的灯具固定装置，设置于中部的电气连接部及环设于电气连接部外围的结合部，同时实现机械及电气连接。同心设置的第一、第二及第三导电端子或电极，能够快速准确的实现电性连接，环形设置能够确保任何角度下都能实现电性连接。
附图说明
图1为符合本发明优选实施例的灯具固定装置的立体图。
图2为符合本发明优选实施例的固定座在仰视角度下的分解图。
图3为符合本发明优选实施例的固定座在俯视角度下的分解图。
图4为符合本发明优选实施例的连接座的分解图。
附图标记：
固定座1、第一主体部1A、第一收容腔1B；
连接座2、第二主体部2A、第二收容腔2B；
凸块3；
第一收容槽41、第二收容槽42、第三收容槽43；
U形安装槽5、开口端51、限位结构52、导向部53、钩合部54；
第一导电端子61、第二导电端子63、第三导电端子62；
凸缘安装部7；
圆形安装部8；
L电极91、接地电极92、N电极93；
弹性元件10、弹性部101、按压部102。
发明内容
以下结合附图与具体实施例进一步阐述本发明的优点。
如图1-图4所示，本发明优选实施例的灯具固定装置包括配对使用的固定座1和连接座2，其中，固定座1预先安装到尾顶或天花板之类的基体上，连接座2则预先安装到灯具中。固定座1包括具有一圆筒状腔体的第一主体部1A，在固定座1的第一主体部1A的底端面外侧设置有第一结合部，在第一主体部1A的底端面中央位置处设置有向第一主体部1A的腔体内凹陷的第一收容腔1B，在该第一收容腔1B内设置有第一电气连接部。连接座2具有一第二主体部2A，该连接座2的第二主体部2A设置有用于收容固定座1的第一主体部1A的第二收容腔2B，该第二收容腔2B的内壁上设置有第二结合部，在该第二收容腔2B的中央位置处设置有第二电气连接部。
当需要将灯具安装到屋顶或天花板之类的基体上时，操作者只需上推连接座2，使连接座2的第二主体部2A的第二收容腔2B收容固定座1的第一主体部1A，然后仅通过轴向旋转连接座2，能够同时实现固定座1的第一结合部与连接座2的第二结合部之间的机械连接和固定座1的第一电气连接部与连接座2的第二电气连接部之间的电气连接，进而实现灯具的机械连接和电气连接。其中，在本发明优选实施例中使用的术语“轴向方向”是指固定座1的轴线方向。在本发明优选实施例中使用的术语“上推”是指将连接座2沿轴向方向朝着靠近固定座1的方向推动或者是连接座2沿轴向方向朝着连接座2与固定座1之间的相对距离减小的方向推动。
当拆卸灯具时，操作者仅需先上推连接座2再反方向旋转连接座2，然后将连接座2 与固定座1相分离，从而解除固定座1的第一结合部与连接座2的第二结合部之间的机械连接和固定座1的第一电气连接部与连接座2的第二电气连接部之间的电气连接，进而将灯具拆卸下来。通过本发明优选实施例的灯具固定装置，操作者能实现对灯具的快捷安装和拆卸，因此使用简单、维护方便。
优选地，灯具固定装置还具有弹性元件10，该弹性元件10配置为在固定座1和连接座2之间施加轴向作用力，以避免组装后的连接座2与固定座1之间产生相对位移，即确保在完成灯具的安装后连接座2不会相对固定座1产生上下左右移动。，进一步地，如图1所示，该弹性元件10可以设置在固定座的第一主体部的底端面上靠近第一结合部的位置处，用于在固定座的第一结合部与连接座的第二结合部连接时向第二收容腔的底端面施加轴向作用力。进一步地，弹性元件10也可以设置在连接座的第二收容腔的底端面上靠近第二结合部的位置处(未示出)，用于在固定座的第一结合部与连接座的第二结合部连接时向固定座的第一主体部的底端面施加轴向作用力。进一步地，弹性元件10可以同时设置在在固定座的第一主体部的底端面上以及在连接座的第二收容腔的底端面上(未示出)。进一步地，弹性元件10为弹簧或者其它金属弹片等结构。优选地，如图2所示，设置在固定座的第一主体部的底端面上的弹性元件10包括弹性部101和按压部102，按压部102与弹性部101之间固定连接，当固定座1和连接座2相连接时，弹性部101受到防护盖的挤压，从而使弹性元件10的按压部102向下挤压连接座2的腔体底端面，此时弹性部101处于受压状态，在固定座1与连接座2之间产生轴向作用力，以确保在完成所述灯具的安装后连接座2不会相对固定座1产生上下左右移动。进一步地，弹性元件10以所述第一主体部1A的底端面的中心为圆心均匀地设置在靠近所述第一结合部的位置处或者以连接座2的第二收容腔2B的底端面的中心为圆心均匀地设置在靠近第二结合部的位置处。进一步地，弹性元件10的数量与第一结合部或第二结合部的数量 相一致，并且弹性元件10与第一结合部和第二结合部都沿径向直线排布。优选地，弹性元件10的数量为3个。
优选地，固定座1的第一结合部是至少两个沿固定座1第一主体部1A的周向设置的凸块3。连接座2的第二结合部相对应地是至少两个沿第二收容腔2B内壁周向设置的U型安装槽5，该U型安装槽5包括开口端51和限位结构52。当固定座1与连接座2结合时，固定座1的凸块3从U型安装槽5的开口端51装入，沿着第二收容腔2B内壁的周向旋转，直至旋转到U型安装槽5的限位结构52处便实现安装到位，即固定座1的第一结合部与连接座2的第二结合部之间完成机械连接。
优选地，如图1所示，U型安装槽5的限位结构52与开口端51之间具有高度差，限位结构52高于开口端51。安装灯具时，上推连接座2，克服弹性元件10对连接座2的轴向作用力，将连接座2的凸块3推移到U型安装槽5的开口端51位置附近，再将凸块3从U型安装槽5的开口端51进入，沿着第二收容腔内壁2B的周向旋转至抵靠限位结构52的内侧壁。由于弹性元件10的轴向作用力的存在，使得连接座2将朝远离固定座1的方向轴向移动，直至固定座1的凸块3的顶面与连接座2的限位结构52的内顶面相贴合从而实现固定座1的第一结合部与连接座2的第二结合部之间的机械连接。之后，在固定座1和连接座2之间，由于弹性元件10所产生的轴向作用力一直存在，以及在灯具自身重力的作用下，固定座1和连接座2相互卡合得更加稳固，不会出现灯具上下左右晃动的情况。
优选地，第二结合部的数量与第一结合部的数量为倍数关系，并且第二结合部的数量不少于第一结合部的数量。具体而言，第一结合部例如凸块3的数量优选为3个，第二结合部例如U型安装槽5的数量为6个，该3个凸块3之间相互间隔相同的角度，该6个U型安装槽5之间相互间隔相同的角度，通过这样的配置仅需要小角度旋转即可实 现固定座1的第一结合部与连接座2的第二结合部之间的机械连接，使灯具的安装和拆卸更加快捷。
优选地，U型安装槽5还具有三角形的导向部53，用于在固定座1的凸块3与连接座2的U型安装槽5之间进行连接时起导向作用。具体而言，该导向部53的顶端朝向固定座1的底端面，导向部53的两侧为小斜面，在小斜面的导向作用下，操作者能够快速准确地将凸块3放置在U型安装槽5的开口端51处，从而不需要清楚地观察好凸块3与U型安装槽5的相对位置之后才进行对位安装，可以仅凭手感便可以实现灯具的盲装。
优选地，U型安装槽5还具有钩合部54，该钩合部54为临近U型安装槽5的开口端51并且朝第二收容腔2B的底端面延伸的小斜面。通过设置了钩合部54，使得操作者在拆卸灯具时需要先上推再旋转连接座2才能拆卸灯具。具体而言，当需要分离固定座1和连接座2时，操作者不能够直接通过反向旋转连接座2来分离固定座1和连接座2，这是因为由于钩合部54的存在，钩合部54会阻挡凸块3从U型安装槽5中直接移出。此时操作者需要先上推连接座2，由于固定座1以及凸块3的位置是固定的，连接座2的上移将导致原来相互贴合的凸块3的顶面与U型安装槽5的限位结构52的内顶面相互分离，U型安装槽5的开口端51也相应地移动到与凸块3等高的位置处，然后再反向旋转连接座2，便可以实现灯具的拆卸。这种先上推再旋转连接座2才能拆卸灯具的配置减少了操作者因误操作而拆卸灯具的可能性，减少了儿童私自拆卸灯具而导致危险的可能性，提高了固定座1与连接座2之间的连接稳固性以及灯具的用电安全性。
优选地，如图1和图2所示，固定座1的第一电气连接部包括第一收容槽41、第二收容槽42以及第三收容槽43。具体而言，固定座1的第一收容腔1B的内壁构成具有一定高度的圆柱状的第一绝缘部、在第一绝缘部内设置有与第一绝缘部平行等高的圆柱状的第二绝缘部、以及在第二绝缘部内设置有与第二绝缘部平行等高的圆柱状的第三绝缘 部，第一绝缘部和第二绝缘部之间形成环状的第一收容槽41，第二绝缘部和第三绝缘部之间形成环状的第二收容槽42，第三绝缘部中央设置有圆形的第三收容槽43。进一步地，如图图2和图3所示，在本发明的优选实施例中，固定座1的第一主体部1A的圆筒状腔体内设置有L电极91、N电极93以及接地极92，该三个金属电极呈折弯状并分别与位于其上方的弹簧片连接；固定座1还设置有三个开关按钮，该开关按钮作用于弹簧片；此外，固定座1还设置有一个防护盖，安装在固定座1上，用于保护L电极91、N电极93以及接地极92。该L电极91、N电极93以及接地极92、防护盖，开关按钮，弹簧片都设置于固定座1的第一主体部1A的圆筒状腔体内。
优选地，如图1和图4所示，连接座2的第二电气连接部包括由外向内依次分布的第一导电端子61、第二导电端子63和第三导电端子62，当固定座1的第一结合部与连接座2的第二结合部连接时，第一导电端子61、第二导电端子63和第三导电端子62分别容纳于第一收容槽41、第二收容槽42以及第三收容槽43中并与收容槽中的电极电性连接，从而实现固定座1的第一电气连接部与连接座2的第二电气连接部之间的电气连接。进一步地，第一导电端子61、第二导电端子63为分别与第一收容槽41、第二收容槽42的大小和形状相适配的金属环，第三导电端子62为与第三收容槽43的大小和形状相适配的金属针。通过这种环形电气连接的设置，增大了第一收容槽41、第二收容槽42和第三收容槽43与第一导电端了61、第二导电端子63和第三导电端子62之间的接触面积，使第一电气连接部与第二电气连接部能够在任何相对旋转定位方向上都能够实现电气连接，同时由于第一绝缘部、第二绝缘部和第三绝缘部将第一导电端子61、第二导电端子63和第三导电端子62完全间隔绝缘，从而提高了用电的安全性。
优选地，如图1所示，固定座1的第一主体部1A形成有自其上端缘向外突伸形成的凸缘安装部7，固定座1通过该凸缘安装部7与屋顶或天花板之类的基体连接。具体而言， 凸缘安装部7开设有若干螺孔，用于与屋顶或天花板螺接。
优选地，如图4所示，连接座2的第二主体部2A形成有自其上端缘向外突伸形成的圆环形安装部8，灯具通过圆环形安装部8与连接座2连接。
下面将通过一个具体的安装示例来进一步阐述本发明；
首先，将屋顶或天花板上预置的电线分别剥皮，剥线长度优选为8～10mm，然后按下固定座1上各电极对应的开关按钮，分别插入相应电线，然后通过凸缘安装部7上的若干螺孔来与屋顶或天花板螺接，即可实现将固定座1固定在屋顶或天花板上。
接着，将连接座2和固定座1中心对齐，上推连接座2，使第一导电端子61、第二导电端子63和第三导电端子62分别容纳于第一收容槽41、第二收容槽42以及第三收容槽43中。
最后，旋转连接座2，使固定座1的凸块3从U型安装槽5的开口端51装入，沿着第二收容腔2B内壁的周向旋转，直至旋转到U型安装槽5的限位结构52处便实现安装到位。
由于凸块3卡合在U型安装槽5中，加上弹性元件10的轴向作用力以及灯具自身重力的作用，使得固定座1与连接座2之间连接得更加稳固，从而实现灯具的机械连接。
由于固定座1的底端面的中央设置有第一收容槽41、第二收容槽42以及第三收容槽43，L电极91、接地极92以及N电极93分别设置在该第一收容槽41、第二收容槽42以及第三收容槽43中，L电极91、接地极92以及N电极93的一端分别与天花板中预置的电线相连接；在连接座2与固定座1相连接时，连接座2的第一导电端子61、第二导电端子63和第三导电端子62都插入到固定座1的第一收容槽41、第二收容槽42以及第三收容槽43中，进而与L电极91、接地极92以及N电极93的另一端相连接；在连接座2的底盖上设置了三根连接线，这三根连接线的一端分别与连接座2的第一导电端 子61、第二导电端子63和第三导电端子62相连接，该三根连接线的另一端都引出连接座2之外与并灯具相连接，从而同步实现了灯具的电气连接。
本发明的核心在于仅仅通过一个旋转动作即可以同时完成灯具的机械连接和电气连接，进而实现灯具的安装；本发明的核心还在于通过上推加旋转的动作即可以解除灯具的机械连接和电气连接，进而实现灯具的拆卸；本发明的核心还在于提供了多个实施例来详细地说明灯具的机械连接和电气连接的具体结构。但应当注意的是，本发明的实施例不应当被解释为对本发明作任何形式的限制。例如，在本发明的上述优选实施例中，虽然是采用两个金属圆环和一个金属针作为三个金属电极，但也可以采用三个金属圆环做为电极；在本发明的上述实施例中，设置了L电极91、接地极92以及N电极93的排列顺序，但也可以根据需要调整电极顺序；在本发明的上述优选实施例中，虽然采用了凸块3和U型安装槽5相卡合的方式来实现灯具的机械连接，但也可以通过采用筋与槽孔、筋筋配合等方式来实现防止脱落的效果。因此，任何熟悉该领域的技术人员可能利用上述揭示的技术内容变更或修饰为等同的有效实施例，但凡未脱离本发明技术方案的内容，依据本发明的技术实质对以上实施例所作的任何修改或等同变化及修饰，均仍属于本发明技术方案的范围内。

Claims (15)

  1. 一种灯具固定装置，包括固定座和连接座，其特征在于，
    所述固定座具有第一主体部，第一主体部中部设置有第一电气连接部；
    所述连接座具有第二主体部，所述连接座的第二主体部设置有用于收容所述固定座的第一主体部的第二收容腔，在所述第二收容腔的中央位置处设置有与第一电气连接部电性连接的第二电气连接部；
    所述第一电气连接部包括开设于第一主体部中部并同心设置的第一收容槽、第二收容槽、第三收容槽，以及分别容置于第一、第二、第三收容槽内的L电极、接地极以及N电极；
    所述第二电气连接部包括由外向内依次同心分布的第一导电端子、第二导电端子和第三导电端子，所述固定座与所述连接座结合时，所述第一导电端子、第二导电端子和第三导电端子分别容纳于所述第一收容槽、第二收容槽以及第三收容槽中，并分别与U电极、接地极以及N电极形成电性连接从而实现所述固定座的第一电气连接部与所述连接座的第二电气连接部之间的电气连接。
  2. 如权利要求1所述的灯具固定装置，其特征在于，所述固定座的第一主体部的底端面外侧设置有第一结合部；在所述第二收容腔的内壁上设置有第二结合部与第一结合部结合，所述连接座与所述固定座之间先通过上推所述连接座再轴向旋转所述连接座便能够解除所述固定座的第一结合部与所述连接座的第二结合部之间的机械连接和所述固定座的第一电气连接部与所述连接座的第二电气连接部之间的电气连接，进而实现所述灯具的拆卸。
  3. 如权利要求1所述的灯具固定装置，其特征在于，所述灯具固定装置还具有弹性元件，所述弹性元件配置为在所述固定座和所述连接座之间施加轴向作用力，以避免组 装后的所述连接座与所述固定座之间产生相对位移。
  4. 如权利要求3所述的灯具固定装置，其特征在于，所述弹性元件设置在所述固定座的第一主体部的底端面上靠近所述第一结合部的位置处，所述弹性元件用于在所述固定座的第一结合部与所述连接座的第二结合部连接时向所述第二收容腔的底端面施加轴向作用力。
  5. 如权利要求3所述的灯具固定装置，其特征在于，所述弹性元件设置在所述连接座的第二收容腔的底端面上靠近所述第二结合部的位置处，所述弹性元件用于在所述固定座的第一结合部与所述连接座的第二结合部连接时向所述固定座的第一主体部的底端面施加轴向作用力。
  6. 如权利要求3所述的灯具固定装置，具特征在于，所述弹性元件同时设置在所述固定座的第一主体部的底端面上以及在所述连接座的第二收容腔的底端面上。
  7. 如权利要求4所述的灯具固定装置，其特征在于，所述弹性元件以所述第一主体部的底端面的中心为圆心均匀地设置在靠近所述第一结合部的位置处。
  8. 如权利要求5所述的灯具固定装置，其特征在于，所述弹性元件以所述连接座的第二收容腔的底端面的中心为圆心均匀地设置在靠近所述第二结合部的位置处。
  9. 如权利要求6、7、8中任一所述的灯具固定装置，其特征在于，所述弹性元件为弹簧、金属弹片结构，或者由弹性部和与所述弹性部固定连接的按压部组成。
  10. 一种连接座用于连接灯具及固定座，其特征在于；所述连接座具有主体部，所述连接座的主体部设置有用于收容所述固定座的收容腔，在所述收容腔的中央位置处设置有面对所述收容腔内壁的电气连接部，所述电气连接部包括由外向内依次同心分布的第一导电端子、第二导电端子和第三导电端子。
  11. 如权利要求10所述的连接座，其中所述收容腔内壁设置有至少一个结合部，所述电气连接部面对所述结合部。
  12. 如权利要求10所述的连接座，其中所述收容腔为圆形，所述第一、第二导电端子为环形，所述至少一个结合部环设于收容腔内壁。
  13. 如权利要求12所述的连接座，其中所述第三导电端子为针状，设置于收容腔中心位置。
  14. 一种固定座，用于固定连接于基体并与与灯具结合的灯具连接座结合，其特征在于：所述固定座具有主体部，所述固定座具有第一主体部，第一主体部中部设置有第一电气连接部，所述第一电气连接部包括开设于第一主体部中部并同心设置的第一收容槽、第二收容槽、第三收容槽，以及分别容置于第一、第二、第三收容槽内的L电极、接地极以及N电极。
  15. 如权利要求14所述的固定座，其中所述固定座还具有弹性元件，所述弹性元件配置为在所述固定座和与所述固定座配合使用的所述连接座之间施加轴向作用力，以避免在组装后的所述连接座与所述固定座之间产生相对位移。
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CN111082273A (zh) * 2018-10-19 2020-04-28 南宁富桂精密工业有限公司 旋转插座
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