CN220692782U - Tubular bus inner cone fitting joint - Google Patents
Tubular bus inner cone fitting joint Download PDFInfo
- Publication number
- CN220692782U CN220692782U CN202322283225.XU CN202322283225U CN220692782U CN 220692782 U CN220692782 U CN 220692782U CN 202322283225 U CN202322283225 U CN 202322283225U CN 220692782 U CN220692782 U CN 220692782U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- composite conductive
- insulating
- hole
- bus conductor
- Prior art date
- 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.)
- Active
Links
- 239000002131 composite material Substances 0.000 claims abstract description 31
- 239000004020 conductor Substances 0.000 claims abstract description 25
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 8
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 8
- 239000004677 Nylon Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 206010000369 Accident Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Installation Of Bus-Bars (AREA)
Abstract
The utility model discloses a tubular bus inner cone hardware fitting joint, which belongs to the technical field of tubular bus joints and is characterized in that: the bus conductor comprises an insulating sleeve, a composite conductive sleeve, a guide sleeve, a bus conductor and a contact finger spring; the outer side of one end of the bus conductor is sleeved with a guide sleeve, the outer side of the guide sleeve is sleeved with a composite conductive sleeve, the outer end of the composite conductive sleeve is airtight, and the outer end of the composite conductive sleeve is provided with a connecting threaded blind hole; the composite conductive sleeve is connected with the guide sleeve through a contact finger spring; an expansion rubber tube is arranged in the contact finger spring, and carbon dioxide gas is injected into the expansion rubber tube; an insulating rubber sleeve is arranged between the bus conductor and a large-diameter hole of the stepped through hole of the insulating sleeve, and a semiconductive rubber sleeve is arranged between the insulating rubber sleeve and the bus conductor. Compared with the prior art, the conductive material has the characteristic of improving the conductivity of the joint of the tubular bus.
Description
Technical Field
The utility model relates to the technical field of tubular bus connectors, in particular to a tubular bus inner cone fitting connector.
Background
With the continuous development of the power industry, improving the performance of power equipment and ensuring reliable operation of a power system are urgent problems to be solved in power production. As an important ring in power transmission and distribution systems, the performance of the tubular bus directly affects the safety of the power system. However, the phenomenon of heat generation at the terminal joint of the tubular bus bar is an important factor causing a fire accident and a large-area power failure accident of the tubular bus bar.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide a tubular busbar inner cone fitting joint, so that the purposes of reducing heat generated at the tubular busbar joint and improving conductivity at the tubular busbar joint are achieved.
The utility model provides a tubular bus inner cone hardware fitting joint, which is characterized in that: the bus conductor comprises an insulating sleeve, a composite conductive sleeve, a guide sleeve, a bus conductor and a contact finger spring; the outer side of one end of the bus conductor is sleeved with a guide sleeve, the outer side of the guide sleeve is sleeved with a composite conductive sleeve, the outer end of the composite conductive sleeve is airtight, and the outer end of the composite conductive sleeve is provided with a connecting threaded blind hole; the composite conductive sleeve is connected with the guide sleeve through a contact finger spring; the inside of the contact finger spring is provided with an expansion rubber tube, carbon dioxide gas is injected into the expansion rubber tube, the insulating sleeve is provided with a stepped through hole, the stepped through hole comprises a large-diameter hole and a small-diameter hole, and the composite conductive sleeve is arranged in the small-diameter hole; an insulating rubber sleeve is arranged between the bus conductor and a large-diameter hole of the stepped through hole of the insulating sleeve, and a semiconductive rubber sleeve is arranged between the insulating rubber sleeve and the bus conductor.
Further, a plurality of annular grooves are formed in the outer wall of the flow guiding sleeve, and a contact finger spring is arranged in each annular groove of the flow guiding sleeve.
Further, a plurality of connecting rings are arranged on the outer wall of the flow guiding sleeve, and the annular groove is positioned between the two connecting rings which are connected.
Further, the groove bottom of the annular groove of the flow guiding sleeve is an arc-shaped surface concave inwards.
Further, the outer wall of the flow guiding sleeve is provided with a C-shaped hoop, and the flow guiding sleeve is fixed on the bus conductor through the C-shaped hoop.
Further, the inner wall of the small-diameter hole of the stepped through hole on the insulating sleeve is provided with an internal thread, the outer wall of the composite conductive sleeve is provided with an external thread, and the composite conductive sleeve is in threaded fit with the small-diameter hole of the insulating sleeve.
Further, a lumen at one end of the bus conductor is filled with a nylon Long Dutou.
Compared with the prior art, the utility model has the following outstanding beneficial effects:
1. the composite conductive sleeve and the guide sleeve are connected through the contact finger springs, each coil of the contact finger springs independently works, and large-area contact tolerance can be straightened and surface irregularities can be compensated, so that the problem of resistance drifting is effectively solved, and the contact finger springs are good in conductive electrical property, high in thermal stability, uniform in current distribution and good in heat dissipation;
2. the contact finger spring is internally provided with the expansion rubber tube, carbon dioxide gas is filled in the expansion rubber tube, when the joint of the tubular bus is electrified and heated, the carbon dioxide gas in the expansion rubber tube expands to expand the expansion rubber tube, and the contact finger spring is extruded outwards after the expansion rubber tube expands, so that the contact finger spring is respectively and fully contacted with the guide sleeve and the composite conductive sleeve, and the conductivity of the tubular bus is ensured.
Drawings
Fig. 1 is a schematic view of the internal structure of the present utility model.
Fig. 2 is a partial enlarged view of a portion a in fig. 1.
Fig. 3 is a schematic structural view of the guide sleeve in the present utility model.
Detailed Description
The utility model is further described below with reference to the drawings and the detailed description.
As shown in fig. 1, the utility model comprises an insulating sleeve 1, a composite conductive sleeve 2, a guide sleeve 3, a C-shaped anchor ear 10, a bus conductor 4 and a contact finger spring 8.
As shown in fig. 2 and 3, the outer side of one end of the bus conductor 4 is sleeved with a guide sleeve 3, the outer wall of the guide sleeve 3 is provided with a plurality of annular grooves, the outer side of the guide sleeve 3 is sleeved with a composite conductive sleeve 2, the outer end of the composite conductive sleeve 2 is airtight, and the outer end of the composite conductive sleeve 2 is provided with a connecting threaded blind hole. The annular groove of the flow guiding sleeve 3 is internally provided with a contact finger spring 8, and the contact finger spring 8 is extruded in the annular groove by the composite conductive sleeve 2, so that the composite conductive sleeve 2 is connected with the flow guiding sleeve 3 through the contact finger spring 8.
The outer wall of the guide sleeve 3 is provided with a plurality of connecting rings 12, the annular groove is positioned between the two connecting rings 12 which are connected, and the connecting rings 12 enlarge the contact area between the guide sleeve 3 and the contact finger spring 8.
The groove bottom of the annular groove of the guide sleeve 3 is an arc-shaped surface concave inwards, so that the guide sleeve can be better contacted with the contact finger spring 8.
The inside of the contact finger spring 8 is provided with an expansion rubber tube 9, carbon dioxide gas is filled in the expansion rubber tube 9, when the tubular bus is electrified and heated, the carbon dioxide gas expands to expand the expansion rubber tube 9, and the expansion rubber tube 9 expands and then presses the contact finger spring 8 outwards, so that the contact finger spring 8 can be respectively contacted with the guide sleeve 3 and the composite conductive sleeve 2, and the conductivity of the tubular bus is ensured.
The outer wall of the flow guiding sleeve 3 is provided with a C-shaped hoop 10, and the flow guiding sleeve 3 is fixed on the bus conductor 4 through the C-shaped hoop 10.
The insulating sleeve 1 on be equipped with notch cuttype through-hole, notch cuttype through-hole includes major diameter hole and minor diameter hole, compound conductive sleeve 2 installs in minor diameter downthehole, is equipped with the internal thread on the inner wall in minor diameter hole, is equipped with the external screw thread on the outer wall of compound conductive sleeve 2, compound conductive sleeve 2 and the minor diameter hole screw-thread fit of insulating sleeve 1.
A nylon plug 7 is plugged into the lumen at one end of the bus conductor 4.
An insulating rubber sleeve 5 is arranged between the bus conductor 4 and a large-diameter hole of the stepped through hole of the insulating sleeve 1, and a semiconductive rubber sleeve 6 is arranged between the insulating rubber sleeve 5 and the bus conductor 4.
The fixing rings 11 are arranged at hole shoulders of the stepped through holes of the insulating sleeve 1, and the guide sleeve 3 and the insulating rubber sleeve 5 are respectively propped against two ends of the fixing rings 11.
The operation flow is as follows: when the joint of the tubular bus is electrified and heated, carbon dioxide gas in the expansion rubber tube 9 expands to expand the expansion rubber tube 9, and the contact finger springs 8 are extruded outwards after the expansion rubber tube 9 expands, so that the contact finger springs 8 can be respectively and fully contacted with the guide sleeve 3 and the composite conductive sleeve 2, and the conductivity of the tubular bus is ensured.
It is noted that while the present utility model has been described in detail with respect to specific embodiments thereof, it will be apparent to those skilled in the art that various modifications can be made therein without departing from the spirit and scope thereof.
Claims (7)
1. A tubular bus inner cone fitting joint is characterized in that: the device comprises an insulating sleeve (1), a composite conductive sleeve (2), a guide sleeve (3), a bus conductor (4) and a contact finger spring (8); the outer side of one end of the bus conductor (4) is sleeved with a guide sleeve (3), the outer side of the guide sleeve (3) is sleeved with a composite conductive sleeve (2), the outer end of the composite conductive sleeve (2) is airtight, and the outer end of the composite conductive sleeve (2) is provided with a connecting threaded blind hole; the composite conductive sleeve (2) is connected with the guide sleeve (3) through a contact finger spring (8); an expansion rubber tube (9) is arranged in the contact finger spring (8), carbon dioxide gas is injected into the expansion rubber tube (9), a stepped through hole is formed in the insulating sleeve (1), the stepped through hole comprises a large-diameter hole and a small-diameter hole, and the composite conductive sleeve (2) is arranged in the small-diameter hole; an insulating rubber sleeve (5) is arranged between the bus conductor (4) and a large-diameter hole of the stepped through hole of the insulating sleeve (1), and a semiconductive rubber sleeve (6) is arranged between the insulating rubber sleeve (5) and the bus conductor (4).
2. The tubular busbar interior cone fitting joint according to claim 1, wherein: the outer wall of the flow guiding sleeve (3) is provided with a plurality of annular grooves, and a contact finger spring (8) is arranged in the annular groove of the flow guiding sleeve (3).
3. The tubular busbar interior cone fitting joint according to claim 2, wherein: the outer wall of the flow guiding sleeve (3) is provided with a plurality of connecting rings (12), and the annular groove is positioned between the two connecting rings (12) which are connected.
4. The tubular busbar interior cone fitting joint according to claim 2, wherein: the groove bottom of the annular groove of the flow guiding sleeve (3) is an arc-shaped surface concave inwards.
5. The tubular busbar interior cone fitting joint according to claim 1, wherein: the outer wall of the flow guiding sleeve (3) is provided with a C-shaped hoop (10), and the flow guiding sleeve (3) is fixed on the bus conductor (4) through the C-shaped hoop (10).
6. The tubular busbar interior cone fitting joint according to claim 1, wherein: the inner wall of the small-diameter hole of the stepped through hole on the insulating sleeve (1) is provided with an internal thread, the outer wall of the composite conductive sleeve (2) is provided with an external thread, and the composite conductive sleeve (2) is in threaded fit with the small-diameter hole of the insulating sleeve (1).
7. The tubular busbar interior cone fitting joint according to claim 1, wherein: one end of the bus conductor (4) is plugged with a nylon Long Dutou (7) in the lumen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322283225.XU CN220692782U (en) | 2023-08-24 | 2023-08-24 | Tubular bus inner cone fitting joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322283225.XU CN220692782U (en) | 2023-08-24 | 2023-08-24 | Tubular bus inner cone fitting joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220692782U true CN220692782U (en) | 2024-03-29 |
Family
ID=90404371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322283225.XU Active CN220692782U (en) | 2023-08-24 | 2023-08-24 | Tubular bus inner cone fitting joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220692782U (en) |
-
2023
- 2023-08-24 CN CN202322283225.XU patent/CN220692782U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103701002B (en) | Jumper wire applied to electric locomotive vehicle | |
| CN107317141A (en) | Connection terminal and electrical connection module with cooling function | |
| CN203800344U (en) | Jumper wire applied on electric power locomotive vehicle | |
| CN220692782U (en) | Tubular bus inner cone fitting joint | |
| CN202797861U (en) | Convenient connecting sleeve for internal pressure cable | |
| WO2018120578A1 (en) | Photovoltaic connector | |
| CN112713414A (en) | Liquid cooling terminal structure for high-power charging | |
| CN203536579U (en) | Flexible high-voltage pulse transmission line | |
| CN203536583U (en) | Connection structure for conductive cores of insulated bus | |
| CN212482738U (en) | Built-in temperature measuring device of high-voltage cable connector | |
| CN110485941B (en) | Wired guide gas injection slag discharging device | |
| CN212230163U (en) | Cable drying device for cable production | |
| CN210692774U (en) | Locking type wiring device | |
| CN220156182U (en) | GIS cubical switchboard busbar connector fixing device | |
| CN220556639U (en) | Industrial production low-temperature cable convenient to assemble | |
| CN219242874U (en) | Metal hose with electric insulation function | |
| CN216794595U (en) | L-shaped rigid outdoor terminal for rail transit | |
| CN221552804U (en) | Cable intermediate head convenient to installation | |
| CN217935058U (en) | Connecting device of connecting tube for high-voltage wire | |
| CN211556180U (en) | Mechanism for connecting tubular bus | |
| CN212303968U (en) | Cable connecting device | |
| CN215933992U (en) | Protection device suitable for electronic connection line | |
| CN221766452U (en) | Equipotential contact structure of low-voltage high-current sleeve | |
| CN221530302U (en) | Novel energy-saving compensator adopting line transformer technology | |
| CN220106927U (en) | Improved generation cable conductor connecting clamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |