CN109004601B - Waterproof bus duct connector - Google Patents
Waterproof bus duct connector Download PDFInfo
- Publication number
- CN109004601B CN109004601B CN201810890359.9A CN201810890359A CN109004601B CN 109004601 B CN109004601 B CN 109004601B CN 201810890359 A CN201810890359 A CN 201810890359A CN 109004601 B CN109004601 B CN 109004601B
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- bus duct
- plate
- heat
- square insulating
- square
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
- H02G5/06—Totally-enclosed installations, e.g. in metal casings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
- H02G5/06—Totally-enclosed installations, e.g. in metal casings
- H02G5/08—Connection boxes therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
- H02G5/10—Cooling
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- Installation Of Bus-Bars (AREA)
Abstract
The invention discloses a waterproof bus duct connector which comprises a square insulating shell, wherein sealing leather pads are arranged at openings at two ends of the square insulating shell, the right end of each sealing leather pad is of a hollow regular quadrangular frustum structure, the left end of the outer side of each sealing leather pad is movably clamped with a rectangular frame, an adjusting device is arranged on the side surface, corresponding to the rectangular frame, of the square insulating shell, a screw rod of the adjusting device is fixedly connected with the side surface of the rectangular frame through an installing plate, extruding devices are arranged on the upper end surface and the lower end surface of the interior of the square insulating shell, and a bus connecting device is arranged in the middle of the interior of the square insulating shell. This waterproof bus duct connector, the radiating effect is good, can carry out isolated protection to the bus duct to can adjust rectangular frame's position through adjusting device, thereby make the sealed leather packing advance sealedly to the junction of square insulating housing and bus duct, improve the water-proof effects of bus duct connector, avoid the electrical part to receive the damage.
Description
Technical Field
The invention relates to the technical field of bus ducts, in particular to a waterproof bus duct connector.
Background
With the emergence of modern engineering facilities and equipment, the power consumption of various industries is increased rapidly, particularly, the appearance of numerous high-rise buildings and large-scale factory workshops, the traditional cable serving as a power transmission lead cannot meet the requirement in a large-current transmission system, and the parallel connection of multiple cables brings inconvenience to on-site installation, construction and connection. The plug-in type bus duct is a novel distribution wire, compared with the traditional cable, the plug-in type bus duct fully shows the superiority of the plug-in type bus duct when large current is transmitted, simultaneously, because of adopting new technology and new process, the contact resistance and temperature rise of the joint of two end parts of the bus duct and the plug-in part of the branching port are greatly reduced, and high-quality insulating materials are used in the bus duct, thereby improving the safety and reliability of the bus duct, leading the whole system to be more perfect, and the bus duct is a closed metal device which is composed of copper and aluminum bus posts and is used for distributing larger power for each element of a disperse system. Wire and cable have been replaced more and more in indoor low pressure electric power transmission main line engineering project, and current bus duct connector mainly carries out fixed connection through insulating bolt, can not carry out isolated protection to the bus duct to reduce the waterproof performance of bus duct, caused the damage to the electrical part easily.
Disclosure of Invention
The invention aims to overcome the existing defects and provides a waterproof bus duct connector which is good in heat dissipation effect, can be used for isolating and protecting a bus duct, and can be used for adjusting the position of a rectangular frame through an adjusting device, so that the connecting part of a square insulating shell and the bus duct is sealed by a sealing leather gasket, the waterproof effect of the bus duct connector is improved, electric parts are prevented from being damaged, and the problems in the background art can be effectively solved.
In order to achieve the purpose, the invention provides the following technical scheme: a waterproof bus duct connector comprises a square insulating shell, sealing leather pads are arranged at openings at two ends of the square insulating shell, the right end of each sealing leather pad is of a hollow regular quadrangular frustum structure, a rectangular frame is movably clamped at the left end of the outer side of each sealing leather pad, an adjusting device is arranged on the side, corresponding to the rectangular frame, of the square insulating shell, a screw of the adjusting device is fixedly connected with the side of the rectangular frame through a mounting plate, extruding devices are arranged on the upper end face and the lower end face of the inside of the square insulating shell, a bus connecting device is arranged in the middle of the inside of the square insulating shell, first mounting grooves are formed in the upper surface and the lower surface of the square insulating shell, a first heat radiating device is arranged inside the first mounting grooves, a first heat conducting plate of the first heat radiating device is located inside the first mounting grooves, and second mounting grooves are formed in the front surface and the rear surface of the square insulating shell, the inside of second mounting groove is equipped with second heat abstractor, second heat abstractor includes the second heat-conducting plate, second heat-conducting plate and second mounting groove fixed connection, and the lateral surface of second heat-conducting plate is equipped with the second fin.
As a preferred technical scheme of the present invention, the adjusting devices are provided in two groups, each group of adjusting devices is provided with four adjusting devices, and the two groups of adjusting devices are respectively distributed in a rectangular shape on the side surfaces of the two rectangular frames.
As a preferred technical scheme of the present invention, the adjusting device includes a fixing sleeve, the fixing sleeve is fixedly connected to a side surface of the square insulating housing through a fixing seat, a screw rod is movably inserted into the fixing sleeve, and a positioning nut is connected to a side surface of the screw rod through a thread.
As a preferred technical scheme of the invention, the extrusion device comprises an aluminum alloy plate, one surface of the aluminum alloy plate, which is close to the square insulating shell, is provided with a first shock absorber, and two ends of the aluminum alloy plate are provided with guide plates.
As a preferable technical scheme of the invention, sixteen first shock absorbers are provided, and sixteen first shock absorbers are divided into two groups and distributed on the surfaces of two aluminum alloy plates in a rectangular manner.
In a preferred embodiment of the present invention, the cross section of the guide plate has a right trapezoid structure, and the lower surface of the upper guide plate and the lower surface of the upper conductive copper plate are located on the same plane, and the upper surface of the lower guide plate and the upper surface of the upper conductive copper plate are located on the same plane.
As a preferred technical scheme of the present invention, the bus connecting device includes five insulating partition plates, the surfaces of two adjacent insulating partition plates are provided with conductive copper plates, the two adjacent insulating partition plates are connected by a second damper, and the surface of the insulating partition plate on the upper side and the lower surface of the insulating partition plate on the lower side are both in contact with an aluminum alloy plate.
As a preferable technical scheme of the invention, a guide ring is arranged on the side surface of the insulating partition plate, a guide rod is movably inserted in the guide ring, and two ends of the guide rod are fixedly connected with the inner side surface of the square insulating shell.
As a preferred technical scheme of the invention, the number of the guide rods is four, and the four guide rods are distributed on the outer side of the insulating partition plate in a rectangular shape.
As a preferred technical solution of the present invention, the first heat dissipation device includes a first heat conduction plate, an inner side surface of the first heat conduction plate is fixedly connected to the first damper, an outer side surface of the first heat conduction plate is located outside the square insulation housing, and the outer side surface of the first heat conduction plate is provided with a first heat dissipation fin.
Compared with the prior art, the invention has the beneficial effects that: the waterproof bus duct connector can adjust the effective length of the screw rod through the positioning nut, and is convenient for adjusting the position of the rectangular frame, so that the sealing leather gasket is extruded, the sealing effect of the square insulating shell is improved, and the waterproof effect is achieved; the insulating partition plate is convenient to extrude, and meanwhile, the heat dissipation effect of the whole bus duct connector can be improved; the extrusion effect of the first shock absorber on the aluminum alloy plate can be improved, so that the insulating partition plate pushes the conductive copper plate to extrude the bus; the external bus duct is convenient to insert; the bus can be clamped, and meanwhile, the bus is convenient to conduct; the bus connecting device plays a role in positioning and guiding and prevents the bus connecting device from moving; the heat dissipation effect of the square insulating shell can be improved; whole waterproof bus duct connector, the radiating effect is good, can carry out isolated protection to the bus duct to can adjust rectangular frame's position through adjusting device, thereby make the sealed leather packing advance sealedly to the junction of square insulating housing and bus duct, improve the water-proof effects of bus duct connector, avoid the electrical part to receive the damage.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic right-view of the structure of the present invention;
fig. 3 is a schematic structural view of the bus bar connecting device of the present invention.
In the figure: 1 square insulating housing, 2 sealed leather packing, 3 rectangular frame, 31 mounting panels, 4 adjusting device, 41 fixing base, 42 fixed sleeve, 43 screw rods, 44 set nuts, 5 extrusion device, 51 first bumper shock absorbers, 52 aluminum alloy plate, 53 guide plate, 6 bus connecting device, 61 insulating partition board, 62 conductive copper plate, 63 second bumper shock absorbers, 7 guide ring, 71 guide rod, 8 first mounting groove, 9 first heat dissipation device, 10 first heat conduction plate, 11 first fin, 12 second mounting groove, 13 second heat dissipation device, 14 second heat conduction plate, 15 second fin.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a waterproof bus duct connector comprises a square insulating shell 1, sealing leather pads 2 are arranged at openings at two ends of the square insulating shell 1, the right end of each sealing leather pad 2 is of a hollow regular quadrangular frustum structure, a rectangular frame 3 is movably clamped at the left end of the outer side of each sealing leather pad 2, when the rectangular frame 3 moves, the rectangular frame 3 can extrude the sealing leather pads 2, so that one ends of the sealing leather pads 2 are deformed and are attached to an external bus duct, the waterproof effect of the bus duct connector is improved, adjusting devices 4 are arranged on the side faces, corresponding to the rectangular frames 3, of the square insulating shell 1, two groups of adjusting devices 4 are arranged, four adjusting devices 4 are arranged in each group, the two groups of adjusting devices 4 are respectively distributed in a rectangular mode on the side faces of the two rectangular frames 3, each adjusting device 4 comprises a fixing sleeve 42, the fixing sleeves 42 are fixedly connected with the side faces of the square insulating shell 1 through fixing seats 41, and the screw 43 is movably inserted in the fixed sleeve 42, the side surface of the screw 43 is in threaded connection with a positioning nut 44, the effective length of the screw 43 can be adjusted through the positioning nut 44, the position of the rectangular frame 3 can be conveniently adjusted, the sealing leather gasket 2 is extruded, the sealing effect of the square insulating shell 1 is improved, and the waterproof effect is achieved, the screw 43 of the adjusting device 4 is fixedly connected with the side surface of the rectangular frame 3 through the mounting plate 31, the rectangular frame 3 drives the screw 43 to move through the mounting plate 31 in the moving process of the rectangular frame 3, when the rectangular frame 3 does not move any more, the positioning nut 44 is rotated, and the positioning nut 44 is in contact with the fixed sleeve 42, so that the screw 43 and the mounting plate 31 can not move, the extruding devices 5 are arranged on the upper end surface and the lower end surface in the square insulating shell 1, and each extruding device 5 comprises an aluminum alloy plate 52, one side of the aluminum alloy plate 52 close to the square insulating shell 1 is provided with a first damper 51, two ends of the aluminum alloy plate 52 are respectively provided with a guide plate 53, which is convenient for extruding the insulating partition plate 61 and can improve the heat dissipation effect of the whole bus duct connector, sixteen first dampers 51 are provided, and sixteen first dampers 51 are respectively divided into two groups and are distributed on the surfaces of the two aluminum alloy plates 52 in a rectangular shape, which can improve the extrusion effect of the first damper 51 on the aluminum alloy plate 52, so that the insulating partition plate 61 pushes the conductive copper plate 62 to extrude the bus, the section of the guide plate 53 is in a right trapezoid structure, the lower surface of the guide plate 53 at the upper side and the lower surface of the conductive copper plate 62 at the upper side are positioned on the same plane, the upper surface of the guide plate 53 at the lower side and the upper surface of the conductive copper plate 62 at the upper side are positioned on the same plane, which is convenient for inserting the external bus duct, the middle, the bus connecting device 6 comprises five insulating partition boards 61, the surfaces of the two adjacent insulating partition boards 61 are provided with conductive copper plates 62, the two adjacent insulating partition boards 61 are connected through a second damper 63, the surface of the insulating partition board 61 at the upper side and the lower surface of the insulating partition board 61 at the lower side are both contacted with aluminum alloy plates 52, the buses can be clamped and connected, meanwhile, the conduction of the buses is facilitated, the bus duct is inserted into the square insulating shell 1 from openings at two ends of the square insulating shell 1, the bus duct pushing guide plate 53 pushes the aluminum alloy plates 52, the aluminum alloy plates 52 push the first damper 51, the second damper 63 pushes the insulating partition boards 61, so that the gap between the two adjacent insulating partition boards 61 is enlarged, then the bus duct is clamped with the insulating partition boards 61, and the buses are contacted with the conductive copper plates 62, meanwhile, the first damper 51 reversely extrudes the aluminum alloy plate 52, the aluminum alloy plate 52 extrudes the insulating partition plate 61, so as to clamp and fix the bus duct, the side surface of the insulating partition plate 61 is provided with the guide ring 7, the guide rod 71 is movably inserted in the guide ring 7, both ends of the guide rod 71 are fixedly connected with the inner side surface of the square insulating shell 1, four guide rods 71 are arranged on the guide rod 71, the four guide rods 71 are distributed in a rectangular shape on the outer side of the insulating partition plate 61, so as to play a role of positioning and guiding and prevent the bus connecting device 6 from moving, the upper surface and the lower surface of the square insulating shell 1 are both provided with first mounting grooves 8, a first heat dissipation device 9 is arranged in the first mounting groove 8, the first heat conduction plate 10 of the first heat dissipation device 9 is positioned in the first mounting groove 8, the first heat dissipation device 9 comprises a first heat conduction plate 10, the inner side surface of the first heat conduction plate, the outer side surface of the first heat conducting plate 10 is positioned at the outer side of the square insulating shell 1, the outer side surface of the first heat conducting plate 10 is provided with a first radiating fin 11, the radiating effect of the square insulating shell 1 can be improved, the front surface and the rear surface of the square insulating shell 1 are both provided with a second mounting groove 12, a second radiating device 13 is arranged inside the second mounting groove 12, the second radiating device 13 comprises a second heat conducting plate 14, the second heat conducting plate 14 is fixedly connected with the second mounting groove 12, the outer side surface of the second heat conducting plate 14 is provided with a second radiating fin 15, the first heat conducting plate 10 and the second heat conducting plate 14 absorb heat radiated by the bus duct and the conductive copper plate 62, meanwhile, the first radiating fin 11 and the second radiating fin 15 radiate heat, the whole waterproof bus duct connector is good in radiating effect, can be isolated and protected, and the position of the rectangular frame 3 can be adjusted through the adjusting device, therefore, the sealing leather gasket 2 seals the joint of the square insulating shell 1 and the bus duct, the waterproof effect of the bus duct connector is improved, and the electric device is prevented from being damaged.
When in use: inserting the bus duct into the square insulating shell 1 from the opening at the two ends of the square insulating shell 1, pushing the aluminum alloy plate 52 by the bus duct pushing guide plate 53, extruding the first shock absorber 51 by the aluminum alloy plate 52, pushing the insulating partition 61 by the second shock absorber 63, enlarging the gap between the two adjacent insulating partitions 61, clamping the bus duct with the insulating partition 61, contacting the bus with the conductive copper plate 62, reversely extruding the aluminum alloy plate 52 by the first shock absorber 51, extruding the insulating partition 61 by the aluminum alloy plate 52, clamping and fixing the bus duct, pushing the rectangular frame 3 along the sealing leather pad 2, extruding the sealing leather pad 2 by the rectangular frame 3, tightly fitting the sealing leather pad 2 with the bus duct, improving the waterproof effect of the square insulating shell 1, driving the screw 43 to move by the rectangular frame 3 through the mounting plate 31 during the moving process of the rectangular frame 3, when the rectangular frame 3 is not moved any more, the positioning nut 44 is rotated and the positioning nut 44 is brought into contact with the fixing sleeve 42, so that the screw 43 and the mounting plate 31 cannot move, the first heat conduction plate 10 and the second heat conduction plate 14 absorb heat radiated from the bus duct and to the conductive copper plate 62, and the first radiation fins 11 and the second radiation fins 15 radiate heat at the same time.
The invention can adjust the effective length of the screw 43 through the positioning nut 44, which is convenient for adjusting the position of the rectangular frame 3, thereby extruding the sealing leather gasket 2, improving the sealing effect of the square insulating shell 1 and playing a role in water resistance; the insulating partition plate 61 is convenient to extrude, and meanwhile, the heat dissipation effect of the whole bus duct connector can be improved; the extrusion effect of the first shock absorber 51 on the aluminum alloy plate 52 can be improved, so that the insulating partition plate 61 pushes the conductive copper plate 62 to extrude the bus; the external bus duct is convenient to insert; the bus can be clamped, and meanwhile, the bus is convenient to conduct; the bus connecting device 6 is prevented from moving due to the positioning and guiding functions; the heat dissipation effect of the square insulating shell 1 can be improved; whole waterproof bus duct connector, the radiating effect is good, can carry out isolated protection to the bus duct to can adjust rectangular frame 3's position through adjusting device 4, thereby make sealed leather packing 2 advance sealedly to the junction of square insulating housing 1 and bus duct, improve the water-proof effects of bus duct connector, avoid the electrical part to receive the damage.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a waterproof bus duct connector, includes square insulating casing (1), its characterized in that: the insulating square shell is characterized in that sealing leather pads (2) are arranged at openings at two ends of the square insulating shell (1), the right end of each sealing leather pad (2) is of a hollow regular quadrangular frustum pyramid structure, a rectangular frame (3) is movably clamped at the left end of the outer side of each sealing leather pad (2), an adjusting device (4) is arranged on the side face, corresponding to the rectangular frame (3), of the square insulating shell (1), a screw rod (43) of the adjusting device (4) is fixedly connected with the side face of the rectangular frame (3) through a mounting plate (31), an extruding device (5) is arranged on the upper end face and the lower end face of the inner part of the square insulating shell (1), a bus connecting device (6) is arranged in the middle of the inner part of the square insulating shell (1), first mounting grooves (8) are arranged on the upper surface and the lower surface of the square insulating shell (1), and first heat radiating devices (9) are arranged in the first mounting, the utility model discloses a heat dissipation device, including first heat-conducting plate (10) of first heat abstractor (9) and square insulating casing (1), the first heat-conducting plate (10) of first heat abstractor is located the inside of first mounting groove (8), and the front surface and the rear surface of square insulating casing (1) all are equipped with second mounting groove (12), the inside of second mounting groove (12) is equipped with second heat abstractor (13), second heat abstractor (13) include second heat-conducting plate (14), second heat-conducting plate (14) and second mounting groove (12) fixed connection, and the lateral surface of second heat-conducting plate (14) is equipped with second fin (15).
2. The waterproof bus duct connector of claim 1, wherein: the adjusting devices (4) are divided into two groups, each group of adjusting devices (4) is provided with four adjusting devices, and the two groups of adjusting devices (4) are respectively distributed on the side surfaces of the two rectangular frames (3) in a rectangular shape.
3. The waterproof bus duct connector of claim 1, wherein: the adjusting device (4) comprises a fixing sleeve (42), the fixing sleeve (42) is fixedly connected with the side face of the square insulating shell (1) through a fixing seat (41), a screw rod (43) is movably inserted into the fixing sleeve (42), and a positioning nut (44) is connected to the side face of the screw rod (43) in a threaded mode.
4. The waterproof bus duct connector of claim 1, wherein: extrusion device (5) are including aluminium alloy plate (52), aluminium alloy plate (52) are close to the one side of square insulating housing (1) and are equipped with first bumper shock absorber (51), the both ends of aluminium alloy plate (52) all are equipped with deflector (53).
5. A waterproof bus duct connector according to claim 4, wherein: sixteen first shock absorbers (51) are arranged, and the sixteen first shock absorbers (51) are divided into two groups and distributed on the surfaces of the two aluminum alloy plates (52) in a rectangular mode.
6. A waterproof bus duct connector according to claim 4, wherein: the cross section of the guide plate (53) is of a right-angle trapezoid structure, the lower surface of the guide plate (53) on the upper side and the lower surface of the conductive copper plate (62) on the upper side are located on the same plane, and the upper surface of the guide plate (53) on the lower side and the upper surface of the conductive copper plate (62) on the lower side are located on the same plane.
7. The waterproof bus duct connector of claim 1, wherein: bus connecting device (6) are including insulating barrier (61), insulating barrier (61) have five, and two adjacent insulating barrier (61) relative surfaces are equipped with electrically conductive copper (62), and two adjacent insulating barrier (61) connect through second bumper shock absorber (63), and the upper surface of insulating barrier (61) of upside and the lower surface of insulating barrier (61) of downside all contact with aluminum alloy plate (52).
8. A waterproof bus duct connector according to claim 7, wherein: the side of insulating barrier (61) is equipped with guide ring (7), the inside activity interlude of guide ring (7) has guide bar (71), the both ends of guide bar (71) all with the medial surface fixed connection of square insulating housing (1).
9. A waterproof busway connector according to claim 8, wherein: four guide rods (71) are arranged, and the four guide rods (71) are distributed on the outer side of the insulating partition plate (61) in a rectangular mode.
10. The waterproof bus duct connector of claim 1, wherein: first heat abstractor (9) include first heat-conducting plate (10), the medial surface and first bumper shock absorber (63) fixed connection of first heat-conducting plate (10), and the lateral surface of first heat-conducting plate (10) is located the outside of square insulating housing (1), and the lateral surface of first heat-conducting plate (10) is equipped with first fin (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810890359.9A CN109004601B (en) | 2018-08-07 | 2018-08-07 | Waterproof bus duct connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810890359.9A CN109004601B (en) | 2018-08-07 | 2018-08-07 | Waterproof bus duct connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109004601A CN109004601A (en) | 2018-12-14 |
| CN109004601B true CN109004601B (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810890359.9A Active CN109004601B (en) | 2018-08-07 | 2018-08-07 | Waterproof bus duct connector |
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| CN (1) | CN109004601B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110416948A (en) * | 2019-08-23 | 2019-11-05 | 上海精成电器成套有限公司 | A kind of structure of the bus duct joint connection component with heat sinking function |
| CN111106583A (en) * | 2020-03-18 | 2020-05-05 | 江苏裕铭铜业有限公司 | Bus duct with dampproofing sealed and radiating effect |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7530830B1 (en) * | 2007-07-19 | 2009-05-12 | Sunpower Corporation | Misalignment tolerant connector |
| CN202059127U (en) * | 2011-05-04 | 2011-11-30 | 施耐德(广州)母线有限公司 | Bus duct apparatus employing waterproof joint structure |
| CN204316051U (en) * | 2015-01-14 | 2015-05-06 | 重庆联控电气有限公司 | A kind of fireproof bus duct structure |
| CN205316962U (en) * | 2015-12-11 | 2016-06-15 | 赣州市芯隆新能源材料有限公司 | Lithium fluoride battery anode material pushing plate furnace uses energy -saving sealing device |
| CN206060122U (en) * | 2016-08-30 | 2017-03-29 | 昆明天经电力设备有限公司 | A kind of bus duct device of water proof type |
| CN207283111U (en) * | 2017-10-23 | 2018-04-27 | 华宝科技有限公司 | A kind of connection structure of bus duct |
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2018
- 2018-08-07 CN CN201810890359.9A patent/CN109004601B/en active Active
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