CN102570219A - Wiring board and socket used together with same - Google Patents
Wiring board and socket used together with same Download PDFInfo
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- CN102570219A CN102570219A CN2012100143769A CN201210014376A CN102570219A CN 102570219 A CN102570219 A CN 102570219A CN 2012100143769 A CN2012100143769 A CN 2012100143769A CN 201210014376 A CN201210014376 A CN 201210014376A CN 102570219 A CN102570219 A CN 102570219A
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- winding displacement
- displacement plate
- hollow insulator
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Abstract
The invention discloses a wiring board and a socket used together with the same. The wiring board comprises a hollow insulator (1), a main power transmission component (2) and grounding wires (3), wherein the hollow insulator (1) is tubular, and a notch is formed on the upper wall of the hollow insulator (1); the main power transmission component (2) is arranged in the hollow insulator (1) and comprises a null wire (21) and live wires (22); and the grounding wires (3) are distributed on the outer walls on two sides of the notch of the hollow insulator (1). The socket comprises a socket main body (6) and a lower insertion block (8) which is connected to the socket main body (6) through a connecting part (7), wherein the lower insertion block (8) penetrates through the notch of the wiring board and is inserted into the hollow insulator (1); conductive sheets (9) which extend out of a plurality of electric signal leading-out holes (61) of the socket main body (6) are fixed on the surface of the lower insertion block (8); and a lower surface of the socket main body (6) is a grounding part (62). The wiring board has random length, and different types of sockets can be plugged into the wiring board.
Description
Technical field
The present invention relates to a kind of power connector, relate in particular to a kind of winding displacement plate of the power supply output connection of not limitting kind and socket that is used with this winding displacement plate of being used to provide.
Background technology
Present power connector all is to adopt plate directly to be connected with power supply, is inserted into the power supply supply that realizes electrical equipment on the plate through plug.Jack on the plate and some plug not necessarily mate, and it is fewer and fixing to join slotting jack quantity.Existing plate can only provide the output of four power supplys when needing power supply such as office, but if desired five or six just must change plate in addition perhaps connecing a plate again could satisfy instructions for use.Be exactly streamline when wiring in addition, each station all must a plurality of single-phase outputs, and present existing method is to peel the crust on the main line off a wiring then, and both inconvenient hot line job also is not easy to carry out mark, and this brings very big inconvenience to installation.Be exactly that the power supply that needs of production scene is fixing in addition, need to move at any time, but receive the restriction of plate line length, the line of plate is put arbitrarily in the production scene in addition, all can cause inconvenient and dangerous.In addition, present plate can only provide single power type, and single-phase or three-phase can not be compatible.
For the problems referred to above, need a kind ofly can to solve multiple power supply output connected mode, transportable, more safe and reliable, flexible and changeable power supply winding displacement plate.
Summary of the invention
The technical problem that the present invention will solve provides a kind of length do not limit, can peg graft variable winding displacement plate of the plug-in position of socket and socket of varying number, type and the socket that is mated use.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of winding displacement plate is characterized in that, comprises hollow insulator, main electric assembly and the earth connection of sending.Wherein, the hollow insulator is the tube-like piece that upper wall has notch, and the notch of upper wall is that socket inserts mouth; It is inner that the master send electric assembly to be installed in the hollow insulator, comprises the zero line and the live wire that extend along the bearing of trend of hollow insulator substantially parallelly; Earth connection bearing of trend along the hollow insulator on the outer wall of hollow insulator notch both sides extends.
Above-mentioned winding displacement plate also is included in the aluminum alloy casing of hollow insulator except the appearance parcel at notch place, and aluminum alloy casing forms fin in the notch both sides of hollow insulator, as earth connection.
For above-mentioned winding displacement plate, the notch of the hollow insulator of winding displacement plate is provided with hermetically-sealed construction.
For above-mentioned winding displacement plate, live wire is one or three.
Above-mentioned winding displacement plate also comprises the termination of following any form: the end socket of electric power incoming line, terminal end socket, be flexible coupling and hard the connection.
For above-mentioned winding displacement plate, the termination of winding displacement plate is the terminal end socket.
For above-mentioned winding displacement plate, the terminal end socket is provided with break-make electric switch and/or break-make electrical indicator.
The socket that a kind of and above-mentioned winding displacement plate is used comprises socket main body and is connected to the bottom inserted block of socket main body through connecting portion.Wherein, the maximum gauge of connecting portion horizontal cross-section is less than the width of rebate on the hollow insulator of winding displacement plate; The broadside size of the upper surface of bottom inserted block is less than the width of rebate of winding displacement plate, and the long limit size of upper surface is greater than the width of rebate of winding displacement plate and less than the maximum gauge of the hollow insulator hollow channel mouth of winding displacement plate; Each conducting strip that extends out respectively from a plurality of signal of telecommunication fairleads of socket main body is fixed on the surface of bottom inserted block, and the lower surface of socket main body is the ground connection position.
Above-mentioned socket also comprises the break-make electric switch.
Above-mentioned socket is spring terminal socket, single-phase socket or three-phase socket.
For above-mentioned socket is the situation of spring terminal socket; Each conducting strip top in the socket main body leans against on the inwall of corresponding signal of telecommunication fairlead; Be provided with shell fragment in the socket main body; The socket main body upper surface has and is used for inserting the hole to the instrument of the shell fragment application of force, and each shell fragment one end is connected on the corresponding conducting strip, and the other end is aimed at and is used for inserting the hole to the instrument of the shell fragment application of force.
For above-mentioned socket, the shell fragment top has the hole, and the hole on the shell fragment is between the hole and signal of telecommunication fairlead that are used for inserting to the instrument of the shell fragment application of force.
Compared with prior art, winding displacement plate of the present invention and to be mated the socket of use main advantage and characteristics following:
(1) winding displacement plate of the present invention can this connect into random length as random length or a plurality of wiring boards, the varying number of can pegging graft, dissimilar socket and plug-in position is variable, the break-make electric control is carried out safe and reliable in inside.
(2) socket of any kind can be used with winding displacement plate of the present invention; Therefore can satisfy and not do pretreated sub-thread soft or hard line, the connection of multiply soft or hard line; Also can satisfy the insulating end of handling connects; And can satisfy all general plugs connections and the connection of Europe superscript plug on the market, and also can satisfy industry and go up various general 3-phase plugs connections, thus practical.
(3) make the attachment security of winding displacement plate and socket reliable through at first connecting earth connection.
(4) the notch place of winding displacement plate uses special hermetically-sealed construction, and it is inner, safe and reliable to prevent that solid and liquid from getting into winding displacement plate.
Description of drawings
Fig. 1 illustrates an embodiment of winding displacement plate of the present invention;
Fig. 2 illustrates another embodiment of winding displacement plate of the present invention;
Fig. 3 a illustrates an embodiment of the spring terminal socket that is used with winding displacement plate shown in Figure 1;
Fig. 3 b and Fig. 3 c illustrate the principle that the socket shown in Fig. 3 a and winding displacement plate shown in Figure 1 are used;
Fig. 4 a illustrates an embodiment of the single-phase socket that is used with winding displacement plate shown in Figure 1;
Fig. 4 b and Fig. 4 c illustrate the principle that the socket shown in Fig. 4 a and winding displacement plate shown in Figure 1 are used;
Fig. 5 a illustrates an embodiment of the three-phase socket that is used with winding displacement plate shown in Figure 1;
Fig. 5 b and Fig. 5 c illustrate the principle that the socket shown in Fig. 5 a and winding displacement plate shown in Figure 1 are used.
Embodiment
As shown in Figure 1, winding displacement plate of the present invention mainly comprises hollow insulator 1, main electric assembly 2 and the earth connection 3 of sending.Hollow insulator 1 has the tube-like piece of notch for upper wall, is processed by insulating material, and the notch of upper wall is that socket inserts mouthful.The master send electric assembly 2 to be installed in hollow insulator 1 inside, comprises a zero line 21 and one or three live wires 22 of extending along the bearing of trend of tube-like piece substantially parallelly, and zero line 21 can be fixed on the inwall of hollow insulator 1 through extrusion molding with live wire 22.Wherein, zero line 21 is preferably copper bar with live wire 22.On the outer wall of hollow insulator 1 notch both sides, be provided with the earth connection 3 that extends along the bearing of trend of hollow insulator.Can be at the appearance parcel layer of aluminum alloy shell 4 of hollow insulator 1 except the notch place, aluminum alloy casing 4 forms fin in the notch both sides of hollow insulator 1, as earth connection 3.Therefore, aluminum alloy casing 4 had both guaranteed that winding displacement plate had certain intensity, can be used as independent earth connection again and used.
The length of winding displacement plate can be decided according to user's needs.The form of the termination of winding displacement plate comprises four kinds: a kind of is the end socket of electric power incoming line, and a kind of is the terminal end socket that can not connect other winding displacement plates again, and a kind of is being flexible coupling of can linking to each other with other winding displacement plates, and a kind of is hard connection that can link to each other with other winding displacement plates.Wherein, the junction that makes two winding displacement plates that is flexible coupling can be turning at any angle, and hard connection then makes two winding displacement plates linearly connect, and can not turn round.For example, the workshop of assembling line is at when wiring corner if desired, then uses at an end of two winding displacement plates respectively to be flexible coupling, and such two winding displacement plates innerly guarantee the safety energising when being flexible coupling interconnection, outsidely uses rubber seal.Be flexible coupling and can save wiring space, adapt to the turning in space, perhaps the needs according to the user carry out winding displacement at any angle.
As shown in Figure 2, be the situation of terminal end socket 5 for the termination of winding displacement plate, can on the terminal of winding displacement plate end socket 5, break-make electric switch 51 be set, control the break-make of whole winding displacement plate.Can also break-make electrical indicator 52 be set on end socket 5, such as the LED lamp, the LED lamp is bright during the winding displacement plate energising, and the LED lamp goes out during the winding displacement plate outage.
Preferably, the notch of the hollow insulator 1 of winding displacement plate is provided with hermetically-sealed construction 11, can prevent that solid and liquid from getting in the hollow insulator 1, and is safe and reliable.As an example, can adopt hairbrush as hermetically-sealed construction 11.
Can insert the socket of any specification on the winding displacement plate, but have only the winding displacement plate of a zero line and the live wire single-phase socket of can only pegging graft, the winding displacement plate of a zero line and three live wires not only can the peg graft single-phase socket but also the three-phase socket of can pegging graft are arranged.
Socket can satisfy does not do pretreated sub-thread soft or hard line, the connection of multiply soft or hard line; Also can satisfy the insulating end of handling connects; The insulating end of handling is meant that multiply or single cord are for the ease of wiring; The sub-fraction of peeling wire outer skin off is exposed the copper cash or the aluminum steel of the inside, puts a line cover or line nose then, makes things convenient for wiring like this but also can increase the wiring area.An example of this socket is the spring terminal socket, will specify hereinafter.Socket also can satisfy all general plugs connections and the connection of Europe superscript plug on the market, also can satisfy industry and go up various general 3-phase plugs connections, and this socket will specify such as single-phase socket and three-phase socket hereinafter.
Shown in Fig. 3 a, the socket that can be plugged on the above-mentioned winding displacement plate comprises socket main body 6 and the bottom inserted block 8 that links to each other with socket main body 6 through connecting portion 7.The maximum gauge of connecting portion 7 horizontal cross-sections is less than the width of rebate on the hollow insulator 1 of winding displacement plate.The upper surface of bottom inserted block 8 is approximately rectangle; Rectangular broadside size is less than the width of rebate on the hollow insulator 1 of winding displacement plate, and long limit size is greater than the width of rebate of winding displacement plate hollow insulator 1 and less than the maximum gauge of the hollow insulator 1 hollow channel mouth of winding displacement plate.Socket main body can be the socket of existing any kind, and each conducting strip 9 that extends out respectively from a plurality of signal of telecommunication fairleads 61 of socket main body 6 is fixed on the surface of bottom inserted block 8, and the lower surface of socket main body 6 is ground connection position 62.Wherein, a plurality of conducting strips 9 on the socket are preferably copper sheet.
The user can insert socket according to the optional position of position needs on the winding displacement plate bearing of trend; The upper surface length direction of the bottom inserted block 8 of socket is inserted socket from the top down along the notch bearing of trend of winding displacement plate; After the earth connection 3 of ground connection position of socket 62 and winding displacement plate is communicated with, thereby a plurality of conducting strips 9 on the socket are connected the socket half-twist respectively with live wire 22, zero line 21.Earth connection 3 is positioned at hollow insulator 1 top of winding displacement plate, at first connects earth connection through socket when socket is connected with winding displacement plate, and is safe and reliable.When the socket on being plugged into winding displacement plate need move on other positions of winding displacement plate, socket rotation outage back is moved on winding displacement plate, when move to need the position after the rotary socket energising.
Preferably, the break-make electric switch is set on socket, when some sockets need cut off the power supply, needn't cuts off the power supply by whole winding displacement plate, also do not need the rotary socket outage, can realize break-make through the push-button switch on the socket.
Below, be the operation principle that example is described winding displacement plate of the present invention and socket with dissimilar sockets.
Fig. 3 a illustrates an embodiment of the spring terminal socket that is used with winding displacement plate shown in Figure 1.This spring terminal socket also belongs to single-phase socket.Socket main body 6 upper surfaces of spring terminal socket have two signal of telecommunication fairleads 61, and the aluminum alloy casing of spring terminal socket is then as the ground connection position 62 of this socket.Pair of conductive sheet 9 tops in the socket main body 6 lean against respectively on the inwall of two signal of telecommunication fairleads 61 of socket main body 6 upper surfaces.A pair of shell fragment one end of embowment is connected respectively on the corresponding conducting strip 9 in the socket main body 6, and the other end is two holes 63 of alignment socket main body 6 upper surfaces respectively.When rod tool such as conductive stylus or normal screws cutter when insert in two holes, centre 63 of socket main body 6 upper surfaces, move to the direction of its corresponding conducting strip 9 at the effect arc lower shell fragment of rod tool, make conducting strip 9 leave the inwall of signal of telecommunication fairlead 61.When between the inwall of conducting strip 9 and signal of telecommunication fairlead 61 enough spaces being arranged; The line end head of user side is inserted signal of telecommunication fairlead 61; The effect of pushing of rod tool is removed then, shell fragment reposition under self elastic force effect, thus the line end head-clamp of insertion is affixed on the conducting strip 9.At this, shell fragment can adopt screw-thread steel spring or other elastomeric elements.As a preferred scheme, further at the top drilling 64 of each arc spring lamination, hole 64 is between hole 63 and signal of telecommunication fairlead 61.When rod tool from two holes of socket main body 6 upper surfaces 63 when inserting; Shell fragment moves to the direction of its corresponding conducting strip 9 under the effect of rod tool; Make conducting strip 9 leave the inwall of signal of telecommunication fairlead 61, and the hole 64 at shell fragment top is moved closely to the signal of telecommunication fairlead 61 of socket main body 6 upper surfaces.Hole 64 up to the shell fragment top is punctual with 61 pairs of the signal of telecommunication fairleads of socket main body 6 upper surfaces; The line end head of user side is inserted signal of telecommunication fairlead 61 and further hole 64 of inserting the arc-shaped conductive film top; The effect of pushing of rod tool is removed then; Arc spring lamination reposition under self elastic force effect, thus the line end head of insertion is fixed on the conducting strip 9.
Fig. 3 b and Fig. 3 c illustrate the principle that the socket shown in Fig. 3 a and winding displacement plate shown in Figure 1 are used.In position that the user needs with the spring terminal socket by being directed downwards the insertion winding displacement plate shown in Fig. 3 b; Press the direction rotating spring terminal socket shown in Fig. 3 c, make two conducting strips 9 of spring terminal socket connect conduction with the hollow insulator 1 interior live wire 22 of winding displacement plate with zero line 21 respectively; The user draws the required signal of telecommunication through the line end head from signal of telecommunication fairlead 61, and the spring self-locking is directly inserted in the signal of telecommunication fairlead 61 in it goes without doing any processing of the employed line end head of user.
Fig. 4 a illustrates an embodiment of the single-phase socket that is used with winding displacement plate shown in Figure 1.Socket main body 6 upper surfaces of single-phase socket comprise symmetrical two signal of telecommunication fairleads 61 and a middle earth connection fairlead, and two signal of telecommunication fairleads 61 are respectively live wire and zero line fairlead.Fig. 4 b and Fig. 4 c illustrate the principle that the socket shown in Fig. 4 a and winding displacement plate shown in Figure 1 are used.In position that the user needs with single-phase socket by being directed downwards the insertion winding displacement plate shown in Fig. 4 b; Press the direction rotation single-phase socket shown in Fig. 4 c, make two conducting strips 9 of single-phase socket connect conduction with the hollow insulator 1 interior live wire 22 of winding displacement plate with zero line 21 respectively; The user draws the required signal of telecommunication through the line end head on the signal of telecommunication plug from signal of telecommunication fairlead 61; The employed signal of telecommunication plug of user can be any in the following existing specification: two plugs are parallel, three plugs are parallel, three plugs wherein two plug band angles and three plugs for circular, therefore practical.
Fig. 5 a illustrates an embodiment of the three-phase socket that is used with winding displacement plate shown in Figure 1.Socket main body 6 upper surfaces of three-phase socket comprise three signal of telecommunication fairleads 61 and an earth connection fairlead, and three signal of telecommunication fairleads 61 are three live wire fairleads.Fig. 5 b and Fig. 5 c illustrate the principle that the socket shown in Fig. 5 a and winding displacement plate shown in Figure 1 are used.In position that the user needs with three-phase socket by being directed downwards the insertion winding displacement plate shown in Fig. 5 b; Press the direction rotation three-phase socket shown in Fig. 5 c, make three conducting strips 9 of three-phase socket connect conduction with hollow insulator 1 interior three live wires 22 of winding displacement plate respectively; The user draws the required signal of telecommunication through the line end head on the signal of telecommunication plug from signal of telecommunication fairlead 61.
Claims (12)
1. a winding displacement plate is characterized in that, comprises hollow insulator (1), main send electric assembly (2) and earth connection (3), and wherein, hollow insulator (1) has the tube-like piece of notch for upper wall, and the notch of upper wall is that socket inserts mouthful; The master send electric assembly (2) to be installed in hollow insulator (1) inside, comprises the zero line (21) and the live wire (22) that extend along the bearing of trend of hollow insulator (1) substantially parallelly; Earth connection (3) bearing of trend along hollow insulator (1) on the outer wall of hollow insulator (1) notch both sides extends.
2. winding displacement plate as claimed in claim 1 is characterized in that, also is included in the aluminum alloy casing (4) of hollow insulator (1) except the appearance parcel at notch place, and aluminum alloy casing (4) forms fin in the notch both sides of hollow insulator (1), as earth connection (3).
3. winding displacement plate as claimed in claim 1 is characterized in that, the notch of the hollow insulator (1) of winding displacement plate is provided with hermetically-sealed construction (11).
4. winding displacement plate as claimed in claim 1 is characterized in that, live wire (22) is one or three.
5. winding displacement plate as claimed in claim 1 is characterized in that, also comprises the termination of following any form: the end socket of electric power incoming line, terminal end socket, be flexible coupling and hard the connection.
6. winding displacement plate as claimed in claim 5 is characterized in that, the termination of winding displacement plate is terminal end socket (5).
7. winding displacement plate as claimed in claim 6 is characterized in that, terminal end socket (5) is provided with break-make electric switch (51) and/or break-make electrical indicator (52).
8. socket that is used with the described winding displacement plate of claim 1; It is characterized in that; Comprise socket main body (6) and be connected to the bottom inserted block (8) of socket main body (6) through connecting portion (7); Wherein, the maximum gauge of connecting portion (7) horizontal cross-section is less than the width of rebate on the hollow insulator (1) of winding displacement plate; The broadside size of the upper surface of bottom inserted block (8) is less than the width of rebate of winding displacement plate, and the long limit size of upper surface is greater than the width of rebate of winding displacement plate and less than the maximum gauge of hollow insulator (1) the hollow channel mouth of winding displacement plate; Each conducting strip (9) that extends out respectively from a plurality of signal of telecommunication fairleads (61) of socket main body (6) is fixed on the surface of bottom inserted block (8), and the lower surface of socket main body (6) is ground connection position (62).
9. socket as claimed in claim 1 is characterized in that, also comprises the break-make electric switch.
10. socket as claimed in claim 1 is characterized in that, said socket is spring terminal socket, single-phase socket or three-phase socket.
11. socket as claimed in claim 10; It is characterized in that for the spring terminal socket, each conducting strip (9) top in the socket main body (6) leans against on the inwall of corresponding signal of telecommunication fairlead (61); Socket main body is provided with shell fragment in (6); Socket main body (6) upper surface has and is used for inserting the hole (63) to the instrument of the shell fragment application of force, and each shell fragment one end is connected on the corresponding conducting strip (9), and the other end is aimed at and is used for inserting the hole (63) to the instrument of the shell fragment application of force.
12. socket as claimed in claim 11 is characterized in that, the shell fragment top has hole (64), and the hole on the shell fragment (64) are positioned at and are used for inserting between the hole (63) and signal of telecommunication fairlead (61) to the instrument of the shell fragment application of force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100143769A CN102570219A (en) | 2012-01-17 | 2012-01-17 | Wiring board and socket used together with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100143769A CN102570219A (en) | 2012-01-17 | 2012-01-17 | Wiring board and socket used together with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102570219A true CN102570219A (en) | 2012-07-11 |
Family
ID=46414979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100143769A Pending CN102570219A (en) | 2012-01-17 | 2012-01-17 | Wiring board and socket used together with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102570219A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104682139A (en) * | 2015-02-16 | 2015-06-03 | 程世友 | Mobile socket assembly |
| CN104716531A (en) * | 2015-02-15 | 2015-06-17 | 程世友 | Mobile socket assembly |
| CN104966964A (en) * | 2015-07-14 | 2015-10-07 | 林健生 | Wire slot with conductors and matching socket panel thereof |
| CN107819310A (en) * | 2017-12-07 | 2018-03-20 | 无锡优耐特能源科技有限公司 | A kind of cable clamp rail |
| CN108306136A (en) * | 2018-03-29 | 2018-07-20 | 江南大学 | A kind of external track of spring-piece type takes plug |
| CN112134053A (en) * | 2020-10-22 | 2020-12-25 | 童安(常州)智造科技有限公司 | Child lock type totally-enclosed safety single-hole plug |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2187847Y (en) * | 1994-04-07 | 1995-01-18 | 谢景安 | Track type power source bar socket and plug |
| CN1653656A (en) * | 2002-05-08 | 2005-08-10 | 优特私人有限公司 | Apparatus for distributing electrical power and/or communication signals |
| CN202602022U (en) * | 2012-01-17 | 2012-12-12 | 上海一观科技有限公司 | Wire arrangement board and socket used with cooperation of the same |
-
2012
- 2012-01-17 CN CN2012100143769A patent/CN102570219A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2187847Y (en) * | 1994-04-07 | 1995-01-18 | 谢景安 | Track type power source bar socket and plug |
| CN1653656A (en) * | 2002-05-08 | 2005-08-10 | 优特私人有限公司 | Apparatus for distributing electrical power and/or communication signals |
| CN202602022U (en) * | 2012-01-17 | 2012-12-12 | 上海一观科技有限公司 | Wire arrangement board and socket used with cooperation of the same |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104716531A (en) * | 2015-02-15 | 2015-06-17 | 程世友 | Mobile socket assembly |
| CN104682139A (en) * | 2015-02-16 | 2015-06-03 | 程世友 | Mobile socket assembly |
| CN104966964A (en) * | 2015-07-14 | 2015-10-07 | 林健生 | Wire slot with conductors and matching socket panel thereof |
| CN107819310A (en) * | 2017-12-07 | 2018-03-20 | 无锡优耐特能源科技有限公司 | A kind of cable clamp rail |
| CN108306136A (en) * | 2018-03-29 | 2018-07-20 | 江南大学 | A kind of external track of spring-piece type takes plug |
| CN108306136B (en) * | 2018-03-29 | 2023-10-24 | 江南大学 | Spring piece type external track electricity taking plug |
| CN112134053A (en) * | 2020-10-22 | 2020-12-25 | 童安(常州)智造科技有限公司 | Child lock type totally-enclosed safety single-hole plug |
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Application publication date: 20120711 |