







技术领域technical field
本发明涉及电力安全技术领域,具体为一种电力防脱插座。The invention relates to the technical field of electric power safety, in particular to an electric power drop-proof socket.
背景技术Background technique
插座,又称电源插座、开关插座,插座是指有一个或一个以上电路接线可插入的座,通过它可插入各种接线,这样便于与其他电路接通。通过线路与铜件之间的连接与断开,来达到最终达到该部分电路的接通与断开,现在市场上大插座,在使用时,用电器的插头插入后,当有人在插座和用电器之间经过时,很容易出现腿扯动线缆使插头脱离插座,从而导致用电器断电。Socket, also known as power socket, switch socket, socket refers to a socket with one or more circuit wirings that can be inserted, through which various wirings can be inserted, so that it is convenient to connect with other circuits. Through the connection and disconnection between the line and the copper parts, the final connection and disconnection of this part of the circuit is achieved. Now the large sockets on the market, when in use, after the plug of the electrical appliance is inserted, when someone plugs the socket and uses When passing between electrical appliances, it is easy to cause the legs to pull the cable to disconnect the plug from the socket, thereby causing the electrical appliance to lose power.
发明内容SUMMARY OF THE INVENTION
针对现有技术的不足,本发明提供了一种电力防脱插座,通过设置执行模块当插头插入本装置时,可以使外侧橡胶片夹紧插头的金属片,解决了插头意外脱落的问题。Aiming at the deficiencies of the prior art, the present invention provides an electric power drop-proof socket. When the plug is inserted into the device, the outer rubber sheet can clamp the metal sheet of the plug by setting the execution module, which solves the problem of the plug accidentally falling off.
为实现上述目的,本发明提供如下技术方案:一种电力防脱插座,包括绝缘壳、顶部转动板、支撑架、底部转动板、电线、支撑板、驱动系统、执行模块和夹紧模块,所述顶部转动板的上表面开设有两个通孔,且通孔的下方设置有夹紧模块,夹紧模块的外侧设置有执行模块,执行模块的下方设置有驱动系统,并且驱动系统与底部转动板固定连接,所述夹紧模块与支撑板转动连接。In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: a power drop-proof socket, comprising an insulating shell, a top rotating plate, a supporting frame, a bottom rotating plate, wires, a supporting plate, a driving system, an execution module and a clamping module, so The upper surface of the top rotating plate is provided with two through holes, and a clamping module is arranged below the through holes, an execution module is arranged on the outer side of the clamping module, and a driving system is arranged below the execution module, and the driving system and the bottom rotate The plate is fixedly connected, and the clamping module is rotatably connected with the support plate.
所述的驱动系统包括驱动板、驱动连接块、回弹弹簧、滑动块、滑动杆、摆动板、垂直传力板、传力齿轮、变速齿轮、主动齿轮、主动侧向齿轮、从动侧向齿轮、从动齿轮、转动轴、转动块和转动轴锥齿轮,滑动杆外表面的下部通过滑动块与驱动板滑动连接,滑动杆的底端活动连接有摆动板,并且摆动板与驱动板滑动连接,摆动板的右端活动连接有垂直传力板,垂直传力板的顶端活动连接有传力齿轮,传力齿轮与驱动板转动连接,所述传力齿轮的外表面齿轮连接有变速齿轮,变速齿轮的背面固定连接有主动齿轮,并且变速齿轮和主动齿轮均与驱动板转动连接,所述主动齿轮的外表面齿轮连接有从动齿轮,从动齿轮的正面固定连接有主动侧向齿轮,并且主动侧向齿轮和从动齿轮均与驱动板转动连接,所述主动侧向齿轮的右侧面齿轮连接有从动侧向齿轮,所述从动侧向齿轮的上表面固定连接有转动轴,转动轴的顶端固定连接有转动轴锥齿轮,并且所述转动轴与驱动板通过转动块转动连接。The drive system includes a drive plate, a drive connection block, a rebound spring, a sliding block, a sliding rod, a swing plate, a vertical force transmission plate, a force transmission gear, a transmission gear, a driving gear, a driving side gear, and a driven side gear. Gear, driven gear, rotating shaft, rotating block and rotating shaft bevel gear, the lower part of the outer surface of the sliding rod is slidably connected with the driving plate through the sliding block, the bottom end of the sliding rod is movably connected with a swinging plate, and the swinging plate slides with the driving plate The right end of the swing plate is movably connected with a vertical power transmission plate, the top of the vertical power transmission plate is movably connected with a force transmission gear, the force transmission gear is rotatably connected with the drive plate, and the outer surface gear of the force transmission gear is connected with a speed change gear, The back of the speed change gear is fixedly connected with the driving gear, and both the speed change gear and the driving gear are rotatably connected with the drive plate, the outer surface gear of the driving gear is connected with the driven gear, and the front of the driven gear is fixedly connected with the driving side gear, And both the driving side gear and the driven gear are rotatably connected with the drive plate, the right side gear of the driving side gear is connected with the driven side gear, and the upper surface of the driven side gear is fixedly connected with a rotating shaft , the top of the rotating shaft is fixedly connected with a rotating shaft bevel gear, and the rotating shaft and the drive plate are rotatably connected through a rotating block.
所述的执行模块包括执行板、滑动压板、滑动板、滑动板主动齿轮、螺母齿轮、螺杆、压板、棘轮内轮、棘轮外轮、水平锥齿轮、按压板、滑杆、平顶板、外侧橡胶片、内侧橡胶片、螺杆顶板和棘轮支架,棘轮外轮的内部转动连接有棘轮内轮,并且棘轮内轮与水平锥齿轮通过连接轴固定连接,所述棘轮外轮的上表面齿轮连接有螺母齿轮,并且棘轮外轮和螺母齿轮齿轮咬合处搭接有压板,压板与执行板固定连接,所述螺母齿轮的正面固定连接有滑动板主动齿轮,螺母齿轮的中心螺纹连接有螺杆,所述滑动板主动齿轮的外表面齿轮连接有滑动板,滑动板与执行板通过滑动压板滑动连接,所述螺杆靠近中心的一端固定连接有螺杆顶板,螺杆顶板的左端固定连接有平顶板,平顶板与执行板通过滑杆滑动连接。The execution module includes an execution plate, a sliding pressure plate, a sliding plate, a sliding plate driving gear, a nut gear, a screw rod, a pressure plate, a ratchet inner wheel, a ratchet outer wheel, a horizontal bevel gear, a pressing plate, a sliding rod, a flat top plate, and an outer rubber sheet. , the inner rubber sheet, the screw top plate and the ratchet bracket, the inner ratchet wheel is rotatably connected with the ratchet wheel inner wheel, and the ratchet wheel inner wheel and the horizontal bevel gear are fixedly connected through the connecting shaft, and the upper surface gear of the ratchet wheel outer wheel is connected with a nut gear, and The outer ratchet wheel and the nut gear are overlapped with a pressure plate, and the pressure plate is fixedly connected with the execution plate. The outer surface gear is connected with a sliding plate, the sliding plate and the execution plate are slidably connected by a sliding pressure plate, the end of the screw rod close to the center is fixedly connected with a screw top plate, the left end of the screw top plate is fixedly connected with a flat top plate, and the flat top plate and the executive plate are connected by a sliding rod Slide to connect.
所述的夹紧模块还包括内侧夹紧板、外侧传力板、内侧传力板、外侧力矩板、内侧力矩板和外侧夹紧板,所述内侧夹紧板右方设置有外侧夹紧板,并且内侧夹紧板和外侧夹紧板的下方分别固定连接有内侧力矩板和外侧力矩板,所述内侧力矩板和外侧力矩板分别通过内侧传力板和外侧传力板与驱动连接块活动连接。The clamping module further includes an inner clamping plate, an outer force transmission plate, an inner force transmission plate, an outer moment plate, an inner moment plate and an outer clamping plate, and an outer clamping plate is arranged on the right side of the inner clamping plate. , and an inner moment plate and an outer moment plate are fixedly connected below the inner clamping plate and the outer clamping plate, respectively, and the inner and outer moment plates are respectively connected to the drive connection block through the inner and outer force transmission plates. connect.
进一步的,所述驱动系统、执行模块和夹紧模块的所有结构均为左右两套,所述支撑板设置在结构的前后两侧,并且支撑板与夹紧模块转动连接。Further, all the structures of the drive system, the execution module and the clamping module are two sets of left and right, the support plates are arranged on the front and rear sides of the structure, and the support plates are rotatably connected to the clamping module.
进一步的,所述绝缘壳的内部转动连接有顶部转动板,顶部转动板的下方通过两个支撑架固定连接有底部转动板。Further, a top rotating plate is rotatably connected inside the insulating shell, and a bottom rotating plate is fixedly connected under the top rotating plate through two support frames.
进一步的,所述驱动板的正面设置有驱动连接块,驱动连接块的下表面固定连接有滑动杆。Further, the front surface of the drive plate is provided with a drive connection block, and the lower surface of the drive connection block is fixedly connected with a sliding rod.
进一步的,所述滑动块与驱动连接块的相对面之间设置有回弹弹簧,并且回弹弹簧环绕在滑动杆的外表面。Further, a rebound spring is provided between the opposite surfaces of the sliding block and the driving connecting block, and the rebound spring surrounds the outer surface of the sliding rod.
进一步的,所述执行板与顶部转动板的下表面固定连接,所述转动轴锥齿轮的外表面齿轮连接有水平锥齿轮,所述执行板正面的底部通过棘轮支架转动连接有棘轮外轮。Further, the execution plate is fixedly connected with the lower surface of the top rotating plate, the outer surface gear of the rotating shaft bevel gear is connected with a horizontal bevel gear, and the bottom of the front of the execution plate is rotatably connected with a ratchet outer wheel through a ratchet bracket.
进一步的,所述平顶板的左侧面固定连接有外侧橡胶片,外侧橡胶片的左方设置有内侧橡胶片,并且内侧橡胶片与顶部转动板固定连接。Further, an outer rubber sheet is fixedly connected to the left side of the flat top plate, an inner rubber sheet is arranged on the left side of the outer rubber sheet, and the inner rubber sheet is fixedly connected to the top rotating plate.
进一步的,所述滑动板的顶端固定连接有按压板。Further, the top end of the sliding plate is fixedly connected with a pressing plate.
与现有技术相比,本发明提供了一种电力防脱插座,具备以下有益效果:本发明通过设置执行模块当插头插入本装置时,可以使外侧橡胶片夹紧插头的金属片,从而可以有效的防止插头意外脱落,通过设置棘轮外轮和棘轮内轮,当按下按压板时,可以防止因装置联动,导致内侧夹紧板和外侧夹紧板闭紧,容易使插头的金属片卡到装置内部,通过整体的结构设置,解决了插头意外脱落的问题。Compared with the prior art, the present invention provides a power drop-proof socket, which has the following beneficial effects: the present invention can make the outer rubber sheet clamp the metal sheet of the plug when the plug is inserted into the device by setting the execution module, so that the plug can be clamped. Effectively prevent the plug from accidentally falling off. By setting the ratchet outer wheel and the ratchet inner wheel, when the pressing plate is pressed, it can prevent the inner clamping plate and the outer clamping plate from being tightly closed due to the linkage of the device, which is easy to cause the metal piece of the plug to be stuck. Inside the device, the problem of accidental detachment of the plug is solved through the overall structural arrangement.
附图说明Description of drawings
图1为本发明结构示意图。Figure 1 is a schematic structural diagram of the present invention.
图2为本发明顶部转动板结构示意图。FIG. 2 is a schematic structural diagram of the top rotating plate of the present invention.
图3为本发明顶部转动板结构示意图之一。FIG. 3 is one of the structural schematic diagrams of the top rotating plate of the present invention.
图4为本发明顶部转动板结构示意图之一。FIG. 4 is one of the structural schematic diagrams of the top rotating plate of the present invention.
图5为本发明驱动系统结构示意图。FIG. 5 is a schematic structural diagram of the drive system of the present invention.
图6为本发明执行模块结构示意图。FIG. 6 is a schematic structural diagram of an execution module of the present invention.
图7为本发明顶部转动板结构示意图之一。FIG. 7 is one of the structural schematic diagrams of the top rotating plate of the present invention.
图8为本发明执行模块结构示意图之一。FIG. 8 is one of the schematic structural diagrams of the execution module of the present invention.
图中:1-绝缘壳;2-顶部转动板;201-支撑架;202-底部转动板;3-电线;4-支撑板;5-驱动系统;501-驱动板;502-驱动连接块;503-回弹弹簧;504-滑动块;505-滑动杆;506-摆动板;507-垂直传力板;508-传力齿轮;509-变速齿轮;510-主动齿轮;511-主动侧向齿轮;512-从动侧向齿轮;513-从动齿轮;514-转动轴;515-转动块;516-转动轴锥齿轮;6-执行模块;601-执行板;602-滑动压板;603-滑动板;604-滑动板主动齿轮;605-螺母齿轮;606-螺杆;607-压板;608-棘轮内轮;609-棘轮外轮;610-水平锥齿轮;611-按压板;612-滑杆;613-平顶板;614-外侧橡胶片;615-内侧橡胶片;616-螺杆顶板;617-棘轮支架;7-夹紧模块;701-内侧夹紧板;702-外侧传力板;703-内侧传力板;704-外侧力矩板;705-内侧力矩板;706-外侧夹紧板。In the figure: 1-insulation shell; 2-top rotating plate; 201-support frame; 202-bottom rotating plate; 3-wire; 4-support plate; 5-drive system; 501-drive plate; 502-drive connection block; 503-rebound spring; 504-slide block; 505-slide rod; 506-swing plate; 507-vertical power transmission plate; 508-power transmission gear; 509-change gear; 510-drive gear; ; 512 - driven side gear; 513 - driven gear; 514 - rotating shaft; 515 - rotating block; 516 - rotating shaft bevel gear; 6 - executive module; 601 - executive plate; 602 - sliding pressure plate; plate; 604-sliding plate driving gear; 605-nut gear; 606-screw; 607-pressing plate; 608-ratchet inner wheel; 609-ratchet outer wheel; 610-horizontal bevel gear; 611-pressing plate; 612-slider rod; 613 -Flat top plate; 614-outside rubber sheet; 615-inside rubber sheet; 616-screw top plate; 617-ratchet bracket; 7-clamping module; 701-inner clamping plate; 702-outer power transmission plate; Force plate; 704-outside moment plate; 705-inside moment plate; 706-outside clamping plate.
具体实施方式Detailed ways
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
请参阅图1、图2、图3、图4、图5、图6、图7、图8所示的一种电力防脱插座,包括绝缘壳1、顶部转动板2、支撑架201、底部转动板202、电线3、支撑板4、驱动系统5、执行模块6和夹紧模块7,绝缘壳1的内部转动连接有顶部转动板2,顶部转动板2的下方通过两个支撑架201固定连接有底部转动板202,顶部转动板2的上表面开设有两个通孔,且通孔的下方设置有夹紧模块7,夹紧模块7的外侧设置有执行模块6,执行模块6的下方设置有驱动系统5,并且驱动系统5与底部转动板202固定连接,夹紧模块7与支撑板4转动连接。Please refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 for a power drop-proof socket, including an insulating shell 1, a top rotating
驱动系统5还包括驱动板501、驱动连接块502、回弹弹簧503、滑动块504、滑动杆505、摆动板506、垂直传力板507、传力齿轮508、变速齿轮509、主动齿轮510、主动侧向齿轮511、从动侧向齿轮512、从动齿轮513、转动轴514、转动块515和转动轴锥齿轮516,驱动板501的正面设置有驱动连接块502,驱动连接块502的下表面固定连接有滑动杆505,滑动杆505外表面的下部通过滑动块504与驱动板501滑动连接,滑动块504与驱动连接块502的相对面之间设置有回弹弹簧503,并且回弹弹簧503环绕在滑动杆505的外表面,滑动杆505的底端活动连接有摆动板506,并且摆动板506与驱动板501滑动连接,摆动板506的右端活动连接有垂直传力板507,垂直传力板507的顶端活动连接有传力齿轮508,传力齿轮508与驱动板501转动连接,传力齿轮508的外表面齿轮连接有变速齿轮509,变速齿轮509的背面固定连接有主动齿轮510,并且变速齿轮509和主动齿轮510均与驱动板501转动连接,主动齿轮510的外表面齿轮连接有从动齿轮513,从动齿轮513的正面固定连接有主动侧向齿轮511,并且主动侧向齿轮511和从动齿轮513均与驱动板501转动连接,主动侧向齿轮511的右侧面齿轮连接有从动侧向齿轮512,从动侧向齿轮512的上表面固定连接有转动轴514,转动轴514的顶端固定连接有转动轴锥齿轮516,并且转动轴514与驱动板501通过转动块515转动连接。The
执行模块6还包括执行板601、滑动压板602、滑动板603、滑动板主动齿轮604、螺母齿轮605、螺杆606、压板607、棘轮内轮608、棘轮外轮609、水平锥齿轮610、按压板611、滑杆612、平顶板613、外侧橡胶片614、内侧橡胶片615、螺杆顶板616和棘轮支架617,执行板601与顶部转动板2的下表面固定连接,转动轴锥齿轮516的外表面齿轮连接有水平锥齿轮610,执行板601正面的底部通过棘轮支架617转动连接有棘轮外轮609,棘轮外轮609的内部转动连接有棘轮内轮608,并且棘轮内轮608与水平锥齿轮610通过连接轴固定连接,棘轮外轮609的上表面齿轮连接有螺母齿轮605,并且棘轮外轮609和螺母齿轮605齿轮咬合处搭接有压板607,压板607与执行板601固定连接面螺母齿轮605的正面固定连接有滑动板主动齿轮604,螺母齿轮605的中心螺纹连接有螺杆606,滑动板主动齿轮604的外表面齿轮连接有滑动板603,滑动板603与执行板601通过滑动压板602滑动连接,螺杆606靠近中心的一端固定连接有螺杆顶板616,螺杆顶板616的左端固定连接有平顶板613,平顶板613与执行板601通过滑杆612滑动连接,平顶板613的左侧面固定连接有外侧橡胶片614,外侧橡胶片614的左方设置有内侧橡胶片615,并且内侧橡胶片615与顶部转动板2固定连接,滑动板603的顶端固定连接有按压板611。The
夹紧模块7还包括内侧夹紧板701、外侧传力板702、内侧传力板703、外侧力矩板704、内侧力矩板705和外侧夹紧板706,内侧夹紧板701右方设置有外侧夹紧板706,并且内侧夹紧板701和外侧夹紧板706的下方分别固定连接有内侧力矩板705和外侧力矩板704,内侧力矩板705和外侧力矩板704分别通过内侧传力板703和外侧传力板702与驱动连接块502活动连接。The
驱动系统5、执行模块6和夹紧模块7的所有结构均为左右两套,支撑板4设置在结构的前后两侧,并且支撑板4与夹紧模块7转动连接。All structures of the
在使用时,使用者将插头插入顶部转动板2内,这时插头的金属片会挤压内侧夹紧板701和外侧夹紧板706,使内侧夹紧板701和外侧夹紧板706转动,从而通过外侧传力板702和内侧传力板703使驱动连接块502向下运动,通过摆动板506和垂直传力板507带动传力齿轮508转动,从而带动变速齿轮509和主动齿轮510一起转动,由于主动齿轮510和从动齿轮513齿轮连接,所以主动侧向齿轮511转动,从而通过转动轴514使棘轮内轮608转动,进而带动滑动板603转动,这时滑动板主动齿轮604会驱动螺杆606运动,进而使外侧橡胶片614挤压插头的金属片,从而防止插头脱落导致用电器意外断电,当需要拔下插头时,使用者只需要按动按压板611,这时滑动板603带动螺母齿轮605和滑动板主动齿轮604转动,时螺杆606向反方向移动,从而使外侧橡胶片614松开插头的金属片,插头的金属片撤离内侧夹紧板701和外侧夹紧板706之间时,装置会在回弹弹簧503的作用下复位。When in use, the user inserts the plug into the top rotating
综上所述,该具有防脱功能的落插座,通过设置执行模块6当插头插入本装置时,可以使外侧橡胶片614夹紧插头的金属片,从而可以有效的防止插头意外脱落,通过设置棘轮外轮609和棘轮内轮608,当按下按压板611时,可以防止因装置联动,导致内侧夹紧板701和外侧夹紧板706闭紧,容易使插头的金属片卡到装置内部,通过整体的结构设置,解决了插头意外脱落的问题。To sum up, in the drop socket with anti-dropping function, when the plug is inserted into the device, the
尽管已经示出和描述了本发明的实施例,对于本领域的普通技术人员而言,可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型,本发明的范围由所附权利要求及其等同物限定。Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010083078.XACN111082264B (en) | 2020-02-07 | 2020-02-07 | A kind of electric anti-drop socket |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010083078.XACN111082264B (en) | 2020-02-07 | 2020-02-07 | A kind of electric anti-drop socket |
| Publication Number | Publication Date |
|---|---|
| CN111082264A CN111082264A (en) | 2020-04-28 |
| CN111082264Btrue CN111082264B (en) | 2020-12-18 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010083078.XAActiveCN111082264B (en) | 2020-02-07 | 2020-02-07 | A kind of electric anti-drop socket |
| Country | Link |
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| CN (1) | CN111082264B (en) |
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| CN112636107B (en)* | 2021-01-07 | 2021-10-12 | 湖州诠世电器有限公司 | Intelligent socket for temperature control of microwave oven |
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| US3710304A (en)* | 1971-05-05 | 1973-01-09 | J Warner | Locking electric plug |
| US4909749A (en)* | 1989-01-27 | 1990-03-20 | Jason Long | Electrical sockets |
| US5791931A (en)* | 1995-01-25 | 1998-08-11 | Burkhart, Sr.; Steven Andrew | Locking electrical outlet |
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| CN203277834U (en)* | 2013-05-22 | 2013-11-06 | 宁波腾浪网络通信设备有限公司 | Socket structure with prevention of falling of plug |
| CN206163819U (en)* | 2016-09-29 | 2017-05-10 | 黄小东 | Anti -drop safety plug socket that construct from individual malposed tooth in area |
| CN106602323A (en)* | 2016-12-22 | 2017-04-26 | 六安力达生产力促进中心有限公司 | Anti-shock intelligent self-locking socket |
| Publication number | Publication date |
|---|---|
| CN111082264A (en) | 2020-04-28 |
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| TA01 | Transfer of patent application right | Effective date of registration:20201204 Address after:530000 No. 6-2, democracy Road, Xingning District, the Guangxi Zhuang Autonomous Region, Nanning Applicant after:ELECTRIC POWER SCIENCE & RESEARCH INSTITUTE OF GUANGXI POWER GRID Corp. Applicant after:GUANGXI POWER LINE EQUIPMENT AND FITTING FACTORY CO.,LTD. Address before:066000 No.209, Taishan Road, Qinhuangdao Economic and Technological Development Zone, Hebei Province Applicant before:Qinhuangdao Zhiju Technology Co.,Ltd. | |
| TR01 | Transfer of patent right | Effective date of registration:20250918 Address after:530200 Guangxi Zhuang Autonomous Region Nanning City Xingning District Minzhu Road No. 6-2 Patentee after:ELECTRIC POWER SCIENCE & RESEARCH INSTITUTE OF GUANGXI POWER GRID Corp. Country or region after:China Patentee after:GUANGXI POWER TRANSMISSION AND DISTRIBUTION CONSTRUCTION CO.,LTD. Address before:530000 No. 6-2, democracy Road, Xingning District, the Guangxi Zhuang Autonomous Region, Nanning Patentee before:ELECTRIC POWER SCIENCE & RESEARCH INSTITUTE OF GUANGXI POWER GRID Corp. Country or region before:China Patentee before:GUANGXI POWER LINE EQUIPMENT AND FITTING FACTORY CO.,LTD. |