CN202957362U - Conductor connecting device - Google Patents
Conductor connecting device Download PDFInfo
- Publication number
- CN202957362U CN202957362U CN 201220690449 CN201220690449U CN202957362U CN 202957362 U CN202957362 U CN 202957362U CN 201220690449 CN201220690449 CN 201220690449 CN 201220690449 U CN201220690449 U CN 201220690449U CN 202957362 U CN202957362 U CN 202957362U
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- Prior art keywords
- temperature indicating
- connection device
- wire connection
- end cap
- briquetting
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 239000004020 conductor Substances 0.000 title abstract 9
- 238000005452 bending Methods 0.000 claims description 13
- 230000002159 abnormal effect Effects 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000003292 diminished effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model provides a conductor connecting device. The conductor connecting device comprises a wire clamp shell, a conductor clamping part arranged on the wire clamp shell and a temperature indicating unit arranged on the wire clamp shell, wherein the temperature indicating unit is provided with a temperature indicating rod for indicating temperature rise abnormity of the wire clamp shell. According to the device, the conductor clamping part and the temperature indicating unit are arranged on the wire clamp shell, and the temperature indicating rod for indicating the temperature rise abnormity of the wire clamp shell is arranged in the temperature indicating unit. When a conductor is not connected tightly with the conductor connecting device, the temperature indicating unit can detect the heating condition of the wire clamp shell, and the temperature indicating rod indicates the temperature rise abnormity, so that workers learn the connection condition of the conductor and the conductor connecting device and carry out timely overhauling, the loss of energy is reduced, and the running reliability of a circuit is improved.
Description
Technical field
The utility model relates to the wire installing area, more specifically, relates to a kind of wire connection device.
Background technology
In the power engineering field, while carrying out the outdoor electricity distribution operation, often wire need to be connected with power equipment by coupling arrangement.Due to outwork ambient conditions complexity, coupling arrangement should have stable, reliable serviceability, should not be subject to the impact of temperature, weather condition, thereby avoids occurring potential safety hazard.
Wire connection device of the prior art comprises wiring clip shell, card line pressure piece and clamping screw, and card line pressure piece is arranged on by clamping screw in the groove of wiring clip shell, forms the card space of lines between card line pressure piece and wiring clip shell.Wire is arranged in the card space of lines, by fastening clamping screw, can make wire be connected in wire connection device securely.Because wire connection device after using a period of time there will be loosening situation, thereby the laminating of wire and wire connection device is no longer tight, now, between wire and wire connection device, gap appears, the circuit operating load increases, thereby causes wiring clip shell to generate heat, cause a large amount of energy losses.
Because wire connection device of the prior art does not have the temperature indicating member, thereby can't Monitoring Line operation temperature, can't learn whether wire connection device tight with being connected of wire, thereby cause the problem that causes not in time energy loss owing to overhauling.
The utility model content
The utility model aims to provide a kind of wire connection device, with solve in prior art due to can't the Monitoring Line operating temperature, can't learn whether wire connection device tight with being connected of wire, thereby cause the problem that causes not in time energy loss owing to overhauling.
For solving the problems of the technologies described above, of the present utility modelly provide a kind of wire connection device, comprise wiring clip shell and be arranged on the wire clamping part on wiring clip shell, also comprise the temperature indicating member be arranged on wiring clip shell, the temperature indicating member has the temperature indicating arm that indication wire clamp case temperature raises abnormal.
Further, wiring clip shell comprises that installing hole is arranged on the first side of wiring clip shell for the installing hole of temperature indicating member is installed.
Further, the temperature indicating arm is movably arranged in installing hole, and the temperature indicating arm comprises the body of rod and is arranged on the convex edge of body of rod outer surface; The temperature indicating member also comprises: the first end cap, and the first end cap is arranged on the first end of installing hole; Flexible member, an end of flexible member and temperature indicating arm butt, the other end and the first end cap butt; And bimetal leaf, bimetal leaf comprises for lock tab along the bending card division of moving with the limit temperature indicating arm.
Further, the length direction of the body of rod is provided with through hole, and the temperature indicating arm also comprises block, and block is arranged on the end away from the first end cap of through hole, at least a portion of flexible member be arranged in through hole and with the block butt.
Further, the temperature indicating member also comprises mounting panel, and mounting panel is positioned at the inside of installing hole and is connected with the inwall of the first end cap, and mounting panel is between temperature indicating arm and bimetal leaf; Mounting panel comprises that bimetal leaf stretches out hole, and the first end of bimetal leaf is connected with mounting panel, and bimetal leaf has from bimetal leaf and stretches out the bending card division of stretching out in hole.
Further, the temperature indicating member also comprises the second end cap of the second end that is arranged on installing hole, and the second end cap comprises pilot hole, and the body of rod of temperature indicating arm is slidably arranged in pilot hole, and block is positioned at the side of the second end cap away from the first end cap.
Further, wiring clip shell comprises groove, and the wire clamping part comprises card line pressure piece, and card line pressure piece is arranged in groove, and card line pressure piece comprises the first briquetting and the second briquetting, and the first side of the first briquetting is connected pivotly with the first side of the second briquetting; Form the first card space of lines between the second side of the first briquetting and groove; Form the second card space of lines between the second side of the second briquetting and groove.
Further, the wire clamping part also comprises clamping screw, and card line pressure piece removably is connected with wiring clip shell by clamping screw.
Further, the first side wall of groove has the first concave surface, and the second side of the first briquetting is provided with the first cable clamping interface, forms the first card space of lines between the first concave surface and the first cable clamping interface.
Further, the second sidewall of groove has the second concave surface, and the second side of the second briquetting is provided with the second cable clamping interface, forms the second card space of lines between the second concave surface and the second cable clamping interface.
The utility model is provided with wire clamping part and temperature indicating member on wiring clip shell, and is provided with in the temperature indicating member and is used to indicate the temperature indicating arm that the wiring clip shell temperature raises abnormal.Owing to being provided with the temperature indicating member, thereby the temperature indicating member can detect the situation of wiring clip shell heating while being connected closely with wire connection device when wire, and temperature indicating arm indicated temperature raises abnormal, thereby make the staff recognize the connection of wire and wire connection device in time maintenance, and then reduced energy loss, improved the circuit reliability of operation.
The accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 has schematically shown the structural representation of the wiring clip shell in the utility model, card line pressure piece and clamping screw; And
Fig. 2 has schematically shown the partial sectional view of the wire connection device in the utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
The utility model provides a kind of wire connection device.As depicted in figs. 1 and 2, wire connection device comprises: wiring clip shell 100 and be arranged on the wire clamping part on wiring clip shell 100, wire connection device also comprises the temperature indicating member 400 be arranged on wiring clip shell 100, and temperature indicating member 400 has the temperature indicating arm 410 that indication wiring clip shell 100 temperature raise abnormal.Preferably, wiring clip shell 100 is C shape.Owing to being provided with the wire clamping part, thereby wire can be connected on wiring clip shell 100 by the wire clamping part.Owing to being provided with temperature indicating member 400, thereby temperature indicating member 400 can detect the situation of wiring clip shell 100 heatings while being connected closely with wire connection device when wire, and temperature indicating arm 410 indicated temperatures raise abnormal, thereby make the staff recognize the connection of wire and wire connection device in time maintenance, and then reduced energy loss, improved the circuit reliability of operation.Simultaneously, the wire connection device in the utility model has characteristics simple in structure, low cost of manufacture.
Preferably, the wiring clip shell 100 in the utility model comprises the installing hole 120 for temperature indicating member 400 is installed, and installing hole 120 is arranged on the first side on wiring clip shell 100.Preferably, installing hole 120 is arranged on wiring clip shell 100 near the wire clamping part.Because installing hole 120 is little with wire clamping part distance, thereby when wire and wire connection device matching loose, the electric current of wiring clip shell 100 increases and temperature raises, be positioned at the variations in temperature that the temperature indicating member 400 of installing hole 120 can directly perception wiring clip shell 100, make the staff understand in time the connection status of wire and wire connection device, the work of being overhauled in time.
Preferably, wiring clip shell 100 in the utility model comprises groove 110, the wire clamping part comprises card line pressure piece 200, card line pressure piece 200 is arranged in groove 110, card line pressure piece 200 comprises that the first side of the first briquetting 210 and the second briquetting 220, the first briquettings 210 is connected pivotly with the first side of the second briquetting 220; Form the first card space of lines 111 between the second side of the first briquetting 210 and groove 110; Form the second card space of lines 112 between the second side of the second briquetting 220 and groove 110.Because the first side of the first briquetting 210 is connected pivotly with the first side of the second briquetting 220, thereby when the angle between change the first briquetting 210 and the second briquetting 220, because the position between card line pressure piece 200 and groove 110 changes, thereby can change the first card space of lines 111 and the size of the second card between space of lines 112, and then be convenient to wire and put into the card space of lines.
As shown in Figure 1, the wire clamping part in the utility model also comprises clamping screw 300, and card line pressure piece 200 removably is connected with wiring clip shell 100 by clamping screw 300.
While using wire connection device of the present utility model, at first by the lifting clamp line pressure piece 200 that makes progress, change the angle (angle is diminished) between the first briquetting 210 and the second briquetting 220, make the first card space of lines 111 and the second card space of lines 112 become large, then wire is put into to the card space of lines, by again changing the angle (making angle become large) between the first briquetting 210 and the second briquetting 220, thereby the first card space of lines 111 and the second card space of lines 112 are diminished, and then make the wire clip in the card space of lines; Then with clamping screw, wiring clip shell 100 is connected with card line pressure piece 200, and make card line pressure piece 200 be connected fastening with wiring clip shell 100 by fastening clamping screw, further reduce the space size of card space of lines, thereby wire firmly is arranged in the card space of lines.Owing to being provided with temperature indicating member 400, thereby temperature indicating member 400 can detect the situation of wiring clip shell 100 heatings while being connected closely with wire connection device when wire, thereby make the staff recognize the connection of wire and wire connection device in time maintenance, and then reduced energy loss, improved the circuit reliability of operation.
Preferably, in embodiment as shown in Figure 1, the second side that the first side wall of groove 110 has the first concave surface 130, the first briquettings 210 is provided with formation the first card space of lines 111 between the first cable clamping interface 211, the first concave surfaces 130 and the first cable clamping interface 211.Because the first card space of lines 111 formed between the first concave surface 130 and the first cable clamping interface 211 adapts with the shape of wire, thereby make the contact area of wire and wiring clip shell 100 and the first briquetting 210 larger, wire can be clamped in the first card space of lines 111 securely.
Preferably, in embodiment as shown in Figure 1, the second side that the second sidewall of groove 110 has the second concave surface 140, the second briquettings 220 is provided with formation the second card space of lines 112 between the second cable clamping interface 221, the second concave surfaces 140 and the second cable clamping interface 221.Because the second card space of lines 112 formed between the second concave surface 140 and the second cable clamping interface 221 adapts with the shape of wire, thereby make the contact area of wire and wiring clip shell 100 and the second briquetting 220 larger, make wire can be clamped in securely the second card space of lines 112.
As shown in Figure 2, the temperature indicating arm 410 in the utility model is movably arranged in installing hole 120, and temperature indicating arm 410 comprises the body of rod 411 and is arranged on the convex edge 412 of the body of rod 411 outer surfaces; Temperature indicating member 400 also comprises: the first end cap 440, the first end caps 440 are arranged on the first end of installing hole 120; Flexible member 420, an end of flexible member 420 and temperature indicating arm 410 butts, the other end and the first end cap 440 butts; And bimetal leaf 430, bimetal leaf 430 comprises for lock tab along the 412 bending card divisions 431 of moving with limit temperature indicating arm 410.In a not shown embodiment, an end of bimetal leaf 430 is connected with wiring clip shell 100.Because bimetal leaf 430 has temperature distortion, thereby bimetal leaf 430 has free position and deformation position.When bimetal leaf 430 is positioned at free position, the convex edge 412 of temperature indicating arm 410 connects with the bending card division 431 of bimetal leaf 430, now, flexible member 420 under the butt power effect of temperature indicating arm 410 and bimetal leaf 430 in compressive state, temperature indicating arm 410 positions are fixed, can be in the interior motion of installing hole 120.When wire, with wire connection device, be connected while becoming flexible, wiring clip shell 100 heatings, now, bimetal leaf 430 temperature distortions, be transformed into deformation position from free position.In the process of bimetal leaf 430 distortion, the bending card division 431 of bimetal leaf 430 reduces gradually with contact area and the butt power of the convex edge 412 of temperature indicating arm 410, until bending card division 431 breaks away from convex edge 412 fully, thereby make the body of rod 411 of temperature indicating arm 410 under the effect of flexible member 420, to the outer ejection of installing hole 120, and then the staff is by observing the position of temperature indicating arm 410 in installing hole 120, just can learn whether wiring clip shell 100 generates heat, thereby judge whether to be overhauled wire connection device, avoided causing not in time due to maintenance the problem of energy dissipation.Preferably, flexible member 420 is Compress Spring.
Preferably, in embodiment as shown in Figure 2, the length direction of the body of rod 411 is provided with through hole, and temperature indicating arm 410 also comprises block 470, the end away from the first end cap 440 that block 470 is arranged on through hole, at least a portion of flexible member 420 be arranged in through hole and with block 470 butts.Owing on the body of rod 411, being provided with through hole, and at least a portion of flexible member 420 is arranged in through hole, thereby increased the contact area of flexible member 420 with the body of rod 411, thereby the ejection direction of temperature indicating arm 410 is fixed.Owing to being provided with block 470 on the body of rod 411, thereby make temperature indicating arm 410 ends there is protuberance, make the staff can see very easily temperature indicating arm 410, thereby easily judge the state of temperature of wiring clip shell 100.
Preferably, as shown in Figure 2, temperature indicating member 400 also comprises the second end cap 460 of the second end that is arranged on installing hole 120, the second end cap 460 comprises pilot hole, the body of rod 411 of temperature indicating arm 410 is slidably arranged in pilot hole, blocks a shot 470 to be positioned at the side of the second end cap 460 away from the first end cap 440.Owing to being provided with the second end cap 460, thereby the second end cap 460 can block the second end of installing hole 120, thereby avoids extraneous dirt to enter in installing hole 120, the temperature indicating member 400 of installing hole 120 played to the effect of protection.Because the second end cap 460 is provided with pilot hole, and the body of rod 411 of temperature indicating arm 410 slides in pilot hole, thereby makes the axial linear movement of the direction of motion of temperature indicating arm 410 along installing hole.
Preferably, the convex edge 412 of temperature indicating arm 410 is greater than the length of pilot hole radius apart from the distance in the body of rod 411 axle center.Be greater than the length of pilot hole radius apart from the distance in the body of rod 411 axle center due to the convex edge 412 of temperature indicating arm 410, thereby the convex edge 412 of temperature indicating arm 410 is all the time between the first end cap 440 and the second end cap 460, and can be due to temperature indicating arm 410 under the effect of flexible member 420, eject installing hole 120 fully and cause temperature indicating arm 410 to lose outward, improved the dependability of temperature indicating member.
Preferably, block a shot 470 sectional area size is greater than the sectional area size of pilot hole.Because block 470 size is greater than the size of pilot hole, and block a shot and 470 be positioned at the side of the second end cap 460 away from the first end cap 440, thereby can not retract in installing hole 120 when 410 motion of temperature indicating arm, thereby be convenient to the staff, the state of temperature indicating arm 410 is observed.
Preferably, block a shot and 470 be threaded with the body of rod 411.Certainly, block a shot and 470 can also be connected by interference fit with the body of rod 411.Certainly, blocking a shot 470 also can be one-body molded with the body of rod 411.
Preferably, the temperature indicating member 400 in the utility model also comprises mounting panel 450, and mounting panel 450 is positioned at the inside of installing hole 120 and is connected with the inwall of the first end cap 440, and mounting panel 450 is between temperature indicating arm 410 and bimetal leaf 430; Mounting panel 450 comprises that bimetal leaf stretches out hole 451, and the first end of bimetal leaf 430 is connected with mounting panel 450, bimetal leaf 430 have stretch out from bimetal leaf the bending card division 431(stretched out in hole 451 and please refer to Fig. 2).When bimetal leaf 430 is not heated, bimetal leaf 430 is in free position, now, the bending card division 431 of bimetal leaf 430 is stretched out hole 451 through bimetal leaf and is reached temperature indicating arm 410 place one sides, and bending card division 431 is connected on the convex edge 412 of temperature indicating arm 410, thus 410 motions of limit temperature indicating arm.When wiring clip shell 100 adstante febres, bimetal leaf 430 temperature distortions, be deformed to deformation position from free position, now, the bending card division 431 of bimetal leaf 430 is stretched out in hole 451 and is skidded off from bimetal leaf gradually, thereby break away from gradually and the butt state of the convex edge 412 of temperature indicating arm 410, until butt power disappears fully.After the butt power of bimetal leaf 430 and temperature indicating arm 410 disappears, temperature indicating arm 410 under the effect of flexible member 420 to the outer ejection of installing hole 120.Owing on the first end cap 440, being provided with mounting panel 450, and an end of bimetal leaf 430 is connected with mounting panel 450, thereby by taking out the first end cap 440, the staff can together take out bimetal leaf 430 and mounting panel 450 easily, stretch out hole 451 thereby facilitate the staff that the bending card division 431 of bimetal leaf 430 is penetrated to bimetal leaf, thereby make convex edge 412 butts of bimetal leaf 430 and temperature indicating arm 410.
Preferably, in a not shown embodiment, mounting panel 450 is butterfly.Mounting panel 450 comprises therefrom four butterfly arms of mind-set extension, between each butterfly arm, is provided with angle, and above-mentioned bimetal leaf stretches out hole 451 for formed angle space between adjacent two butterfly arms.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (10)
1. a wire connection device, comprise wiring clip shell (100) and be arranged on the wire clamping part on described wiring clip shell (100), it is characterized in that, described wire connection device also comprises the temperature indicating member (400) be arranged on described wiring clip shell (100), and described temperature indicating member (400) has the temperature indicating arm (410) that indication described wiring clip shell (100) temperature raises abnormal.
2. wire connection device according to claim 1, it is characterized in that, described wiring clip shell (100) comprises that described installing hole (120) is arranged on the first side of described wiring clip shell (100) for the installing hole (120) of described temperature indicating member (400) is installed.
3. wire connection device according to claim 2, it is characterized in that, described temperature indicating arm (410) is movably arranged in described installing hole (120), and described temperature indicating arm (410) comprises the body of rod (411) and is arranged on the convex edge (412) of the described body of rod (411) outer surface; Described temperature indicating member (400) also comprises:
The first end cap (440), described the first end cap (440) is arranged on the first end of described installing hole (120);
Flexible member (420), an end of described flexible member (420) and described temperature indicating arm (410) butt, the other end and described the first end cap (440) butt; And
Bimetal leaf (430), described bimetal leaf (430) comprises for locking described convex edge (412) to limit the bending card division (431) of described temperature indicating arm (410) motion.
4. wire connection device according to claim 3, it is characterized in that, the length direction of the described body of rod (411) is provided with through hole, described temperature indicating arm (410) also comprises block (470), described block (470) is arranged on the end away from described the first end cap (440) of described through hole, at least a portion of described flexible member (420) be arranged in described through hole and with described block (470) butt.
5. wire connection device according to claim 4, it is characterized in that, described temperature indicating member (400) also comprises mounting panel (450), described mounting panel (450) is positioned at the inside of described installing hole (120) and is connected with the inwall of described the first end cap (440), and described mounting panel (450) is positioned between described temperature indicating arm (410) and described bimetal leaf (430); Described mounting panel (450) comprises that bimetal leaf stretches out hole (451), the first end of described bimetal leaf (430) is connected with described mounting panel (450), and described bimetal leaf (430) has from described bimetal leaf and stretches out the described bending card division (431) of stretching out in hole (451).
6. wire connection device according to claim 4, it is characterized in that, described temperature indicating member (400) also comprises second end cap (460) of the second end that is arranged on described installing hole (120), described the second end cap (460) comprises pilot hole, the described body of rod (411) of described temperature indicating arm (410) is slidably arranged in described pilot hole, and described block (470) is positioned at the side of described the second end cap (460) away from described the first end cap (440).
7. wire connection device according to claim 1, it is characterized in that, described wiring clip shell (100) comprises groove (110), described wire clamping part comprises card line pressure piece (200), described card line pressure piece (200) is arranged in described groove (110), described card line pressure piece (200) comprises the first briquetting (210) and the second briquetting (220), and the first side of described the first briquetting (210) is connected pivotly with the first side of described the second briquetting (220); Form the first card space of lines (111) between the second side of described the first briquetting (210) and described groove (110); Form the second card space of lines (112) between the second side of described the second briquetting (220) and described groove (110).
8. wire connection device according to claim 7, is characterized in that, described wire clamping part also comprises clamping screw (300), and described card line pressure piece (200) removably is connected with described wiring clip shell (100) by described clamping screw (300).
9. wire connection device according to claim 7, it is characterized in that, the first side wall of described groove (110) has the first concave surface (130), the second side of described the first briquetting (210) is provided with the first cable clamping interface (211), forms described the first card space of lines (111) between described the first concave surface (130) and described the first cable clamping interface (211).
10. wire connection device according to claim 7, it is characterized in that, the second sidewall of described groove (110) has the second concave surface (140), the second side of described the second briquetting (220) is provided with the second cable clamping interface (221), forms described the second card space of lines (112) between described the second concave surface (140) and described the second cable clamping interface (221).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220690449 CN202957362U (en) | 2012-12-13 | 2012-12-13 | Conductor connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220690449 CN202957362U (en) | 2012-12-13 | 2012-12-13 | Conductor connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202957362U true CN202957362U (en) | 2013-05-29 |
Family
ID=48462916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220690449 Expired - Lifetime CN202957362U (en) | 2012-12-13 | 2012-12-13 | Conductor connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202957362U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103872472A (en) * | 2012-12-13 | 2014-06-18 | 国家电网公司 | Conductor connecting device |
-
2012
- 2012-12-13 CN CN 201220690449 patent/CN202957362U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103872472A (en) * | 2012-12-13 | 2014-06-18 | 国家电网公司 | Conductor connecting device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130529 |