CN212412387U - A quick plug base for looped netowrk cabinet - Google Patents
A quick plug base for looped netowrk cabinet Download PDFInfo
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- CN212412387U CN212412387U CN202021767120.1U CN202021767120U CN212412387U CN 212412387 U CN212412387 U CN 212412387U CN 202021767120 U CN202021767120 U CN 202021767120U CN 212412387 U CN212412387 U CN 212412387U
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- metal shell
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Abstract
The utility model belongs to the technical field of electrical connection equipment, in particular to a quick plugging base for a ring main unit, which comprises a copper core, an insulating sleeve and a metal shell, wherein the copper core, the insulating sleeve and the metal shell are sequentially arranged from inside to outside; the copper core is seted up the ladder counter bore along its length direction, and the one end internal diameter of ladder counter bore and insulating cover parallel and level is greater than the ladder counter bore orientation the one end internal diameter of cavity I to the great one end of ladder counter bore internal diameter is used for pegging graft the cable core of cable, the metal shell cover is located the outside of insulating cover leaves the clearance between the one end of metal shell and insulating cover and copper core parallel and level, forms cavity II, is used for installing the plug-in of cable connects, and the installation is very swift, promotes the operating efficiency of bus connection greatly.
Description
Technical Field
The utility model belongs to the technical field of electrical connection equipment, in particular to bus connection technical field especially relates to a quick plug base for looped netowrk cabinet.
Background
In the design and installation and use processes of 24kV and below gas insulated metal enclosed switchgear, bus connectors are often adopted for splicing switchgear, but the existing bus connectors are complex in connection, a large part of the connection stability of the existing bus connectors is in manual operation on site, and the existing bus connectors are large in size and inconvenient to install on site.
SUMMERY OF THE UTILITY MODEL
In order to overcome among the prior art when carrying out on-the-spot bus connection, install complicated problem, the utility model provides a quick plug base is realized through following technical scheme:
a quick plugging base for a ring main unit is characterized in that one end of the quick plugging base is connected with an insulator, the other end of the quick plugging base is connected with a cable, the quick plugging base comprises a copper core, an insulating sleeve and a metal shell, the copper core, the insulating sleeve and the metal shell are sequentially arranged from inside to outside, the insulating sleeve is of a convex structure and is provided with a through hole and a cavity I, one end of the copper core is flush with the insulating sleeve, the other end of the copper core penetrates through the through hole and extends into the cavity I, and an external thread is arranged at one end, penetrating into the cavity I; the copper core is seted up the ladder counter bore along its length direction, the ladder counter bore with the one end internal diameter of insulating cover parallel and level is greater than the ladder counter bore orientation the one end internal diameter of cavity I, and the great one end of ladder counter bore internal diameter is used for pegging graft the cable core of cable, the metal shell cover is located the outside of insulating cover, and the metal shell with leave the clearance between the one end of insulating cover and copper core parallel and level, form cavity II for the installation the plug-in of cable connects.
Furthermore, the metal shell is connected with the plug-in connector of the cable through a clamping mechanism.
Furthermore, the clamping mechanism comprises a movable clamping ring and balls, an annular groove is formed in the end of the metal shell connected with the cable, the movable clamping ring is sleeved in the annular groove, a ball mounting groove is formed in the annular groove, a plurality of slotted holes are formed in the ball mounting groove, the balls are mounted in the slotted holes, the aperture of the slotted holes facing the inside of the metal shell is smaller than the diameter of the balls, a supporting plate is arranged at the position of the movable clamping ring corresponding to the ball mounting groove, and when the movable clamping ring is at the highest position, the supporting plate is propped against the upper spherical surface of the balls; when the movable snap ring is at the lowest position, the abutting plate is abutted to the lower spherical surface of the ball.
Furthermore, friction stripes are arranged on the outer surface of the movable clamping ring.
Furthermore, the annular groove is also sleeved with a grounding metal ring.
Furthermore, a groove is formed in the lower end face of the movable clamping ring, and the annular groove is provided with a clamping column matched with the groove.
Furthermore, a shielding layer is arranged between the insulating sleeve and the metal shell.
Furthermore, the insulating sleeve is provided with a stress cone at the joint of the copper core and the cavity I.
Furthermore, a contact ring which is contacted with the cable core of the cable is arranged in the stepped counter bore.
Further, one end of the insulating sleeve, which is flush with the copper core, protrudes out of the metal shell.
The utility model discloses a beneficial effect that is used for quick plug base of looped netowrk cabinet: one end is connected together through twisting the insulating tube who revolves the installation on the high-voltage board, and the other end is direct to be in the same place with the plug-in joint of cable, and the installation is very swift, promotes the operating efficiency that the generating line is connected greatly to this quick plug-in base is outside guaranteeing electrical connection's reliability, and the size is less, and then reduces the cabinet body size and the design cost of high-voltage board.
Drawings
Fig. 1 is a schematic structural view of a quick plugging base in an embodiment of the present invention;
fig. 2 is a sectional view of the quick-connect/disconnect base according to an embodiment of the present invention;
fig. 3 is a front view of the present invention;
fig. 4 is a top view of the present invention;
fig. 5 is a bottom view of the present invention;
in the figure: 1. copper core, 101, ladder counter bore, 2, insulating cover, 201, cavity I, 202, cavity II, 3, metal-back, 301, annular groove, 302, card post, 4, shielding layer, 5, stress cone, 6, ground connection metal circle, 7, activity snap ring, 701, support board, 702, slot, 8, ball.
Detailed Description
The present invention will be further described with reference to the following examples, which are only part of the present invention, and these examples are only used to explain the present invention, and do not constitute any limitation to the scope of the present invention.
As shown in the attached drawings 1-5 of the specification, a quick plugging base for a ring main unit is of a cylindrical structure as a whole, and comprises a copper core 1, an insulating sleeve 2 and a metal shell 3 which are sequentially arranged from inside to outside, wherein the metal shell 3 is sleeved outside the insulating sleeve 2 to integrally protect the quick plugging base; the middle part of the insulating sleeve 2 is penetrated with the copper core 1 for electrical insulation; one end of the copper core 1 is connected with the insulating sleeve, and the other end of the copper core is connected with a cable of the branch box. In one embodiment, the insulating sleeve 2 is of a convex structure, and is provided with a through hole and a cavity I201 communicated with the through hole, the through hole is used for penetrating through the copper core 1, one end of the copper core 1 is flush with the end with the smaller diameter of the insulating sleeve 2, the other end of the copper core is penetrated in the cavity I201, the copper core 1 is provided with a stepped counter bore 101 along the length direction of the copper core, the inner diameter of one end, facing the cavity I201, of the stepped counter bore 101 is smaller than that of the other end, the part with the larger inner diameter of the stepped counter bore 101 is used for inserting a cable core (called as a cable connecting end) of a cable, and a contact ring contacting the cable core is arranged to reduce contact; the portion of the stepped counterbore 101 with the smaller inner diameter is longer than the portion of the stepped counterbore 101 with the larger inner diameter to act as a pressure equalizer. The I201 of cavity is the toper structure, and with insulation support's shape phase-match to the part that I201 of cavity was arranged in to copper core 1 sets up the external screw thread (being called the insulation support link) for match with the internal thread that insulation support led electrical pillar and screw together. This quick plug base one end adopts the insulating tube who revolves the mode of twisting soon and install on the high-voltage board to link together promptly, and the mode that the other end adopted the joint is in the same place with the cable junction of feeder pillar to greatly reduced bus connection's the installation degree of difficulty promotes work efficiency.
In order to ensure the reliable stability of the connection between the quick plugging base and the cable of the branch box, the cable of the branch box adopts a plugging type joint, a gap is reserved between one end of the insulation sleeve 2, which is parallel to the copper core 1, and the metal shell 3 to form a cavity II 202 for arranging a clamping mechanism, and the clamping mechanism is butted with the plugging type joint of the cable. Specifically, the clamping mechanism comprises a movable clamping ring 7 and balls 8, wherein an annular groove 301 is formed in the end of the metal shell 3 connected with the cable, the movable clamping ring 7 is sleeved in the annular groove 301 to move up and down, in addition, an annular ball mounting groove is formed in the annular groove 301, a plurality of slotted holes are formed in the ball mounting groove, the balls 8 are mounted in the slotted holes, the aperture of one surface of each slotted hole facing the movable clamping ring 7 is larger than the diameter of the corresponding ball 8, the aperture of the slotted hole facing the inside of the metal shell 3 is smaller than the diameter of the corresponding ball 8, a supporting plate 701 is arranged at the position of the movable clamping ring 7 corresponding to the ball mounting groove, and when the movable clamping ring 7 is at the highest position, the supporting plate 701; when the movable snap ring 7 is at the lowest position, the resisting plate 701 is pressed against the lower spherical surface of the ball 8, so that the ball is always pressed against the groove hole by the resisting plate 701, the ball 8 is pressed and limited in the groove hole and cannot move only when the resisting plate 701 is pressed against the upper spherical surface of the ball 8, and the ball 8 has a space for moving in the groove hole when the resisting plate 701 is pressed against the lower spherical surface of the ball 8.
Under the condition of no external force, the movable clamp ring 7 is pushed to the top under the acting force of the ball 8, the pressing plate 701 pushes the ball 8 to extrude inwards, and the clamping operation of the plug-in connector of the cable is completed; when the plug-in connector of the cable is pulled out or inserted, the movable snap ring 7 needs to be pulled down first, the abutting plate 701 moves downwards, the slotted hole provides a space for the ball to move, the ball 8 is loosened, and the operation of pulling out or inserting the plug-in connector of the cable is completed. Further, in operation, in order to better stir the movable clamping ring 7, friction stripes are arranged on the outer wall of the movable clamping ring 7, meanwhile, a groove 702 is formed in the lower end face of the movable clamping ring 7, a clamping column 302 matched with the groove 402 is arranged in the annular groove 301, the movable clamping ring 7 after being stirred downwards is enabled to be not affected by acting force of balls through butt joint of the groove 402 and the clamping column 302, and sufficient time is provided for completing butt joint of the plug-in connector of the cable and the cavity II.
Further, in order to improve the reliability and stability of the electrical connection, a shielding layer 4 is further arranged between the insulating sleeve 2 and the metal shell 3; the insulating sleeve 2 is provided with a stress cone 5 at the joint of the copper core 1 and the cavity I201; and the annular groove 301 is also sleeved with the grounding metal ring 6.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent changes without departing from the technical scope of the present invention.
Claims (10)
1. The utility model provides a quick plug base for looped netowrk cabinet, insulator is connected to one end, other end connecting cable, includes copper core, insulating cover and the metal casing that from interior to exterior set gradually, its characterized in that: the insulating sleeve is of a convex structure and is provided with a through hole and a cavity I, one end of the copper core is flush with the insulating sleeve, the other end of the copper core penetrates through the through hole and reaches the inside of the cavity I, and an external thread is arranged at one end of the copper core penetrating into the cavity I and used for connecting the insulator; the copper core is seted up the ladder counter bore along its length direction, the ladder counter bore with the one end internal diameter of insulating cover parallel and level is greater than the ladder counter bore orientation the one end internal diameter of cavity I, and the great one end of ladder counter bore internal diameter is used for pegging graft the cable core of cable, the metal shell cover is located the outside of insulating cover, and the metal shell with leave the clearance between the one end of insulating cover and copper core parallel and level, form cavity II for the installation the plug-in of cable connects.
2. The quick connect-disconnect base for the ring main unit according to claim 1, wherein: the metal shell is connected with the plug-in connector of the cable through a clamping mechanism.
3. The quick connect-disconnect base for the ring main unit according to claim 2, wherein: the clamping mechanism comprises a movable clamping ring and balls, an annular groove is formed in the end, connected with the cable, of the metal shell, the movable clamping ring is sleeved in the annular groove, a ball mounting groove is formed in the annular groove, a plurality of slotted holes are formed in the ball mounting groove, the balls are mounted in the slotted holes, the aperture, facing the inside of the metal shell, of the slotted holes is smaller than the diameter of the balls, a supporting plate is arranged at the position, corresponding to the ball mounting groove, of the movable clamping ring, and when the movable clamping ring is at the highest position, the supporting plate is abutted to the upper spherical surface of the balls; when the movable snap ring is at the lowest position, the abutting plate is abutted to the lower spherical surface of the ball.
4. The quick connect-disconnect base for the ring main unit as claimed in claim 3, wherein: and friction stripes are arranged on the outer surface of the movable snap ring.
5. The quick connect-disconnect base for the ring main unit as claimed in claim 4, wherein: the annular groove is also sleeved with a grounding metal ring.
6. The quick connect-disconnect base for the ring main unit as claimed in claim 4, wherein: the lower end face of the movable clamping ring is provided with a groove, and the annular groove is provided with a clamping column matched with the groove.
7. The quick plugging base for the ring main unit according to any one of claims 1 to 6, wherein: and a shielding layer is also arranged between the insulating sleeve and the metal shell.
8. The quick connect-disconnect base for the ring main unit as claimed in claim 7, wherein: and the insulating sleeve is provided with a stress cone at the joint of the copper core and the cavity I.
9. The quick connect-disconnect base for the ring main unit according to claim 8, wherein: and a contact ring which is contacted with the cable core of the cable is arranged in the stepped counter bore.
10. The quick connect-disconnect base for the ring main unit according to claim 9, wherein: one end of the insulating sleeve, which is flush with the copper core, protrudes out of the metal shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021767120.1U CN212412387U (en) | 2020-08-21 | 2020-08-21 | A quick plug base for looped netowrk cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021767120.1U CN212412387U (en) | 2020-08-21 | 2020-08-21 | A quick plug base for looped netowrk cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212412387U true CN212412387U (en) | 2021-01-26 |
Family
ID=74371686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021767120.1U Active CN212412387U (en) | 2020-08-21 | 2020-08-21 | A quick plug base for looped netowrk cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212412387U (en) |
-
2020
- 2020-08-21 CN CN202021767120.1U patent/CN212412387U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 15th floor, Yantian modern industry service center, 3018 Shayan Road, Shatoujiao street, Yantian District, Shenzhen City, Guangdong Province Patentee after: Shenzhen electrified Technology Development Co.,Ltd. Address before: 518000 15th floor, Yantian modern industry service center, 3018 Shayan Road, Shatoujiao street, Yantian District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Huarui Fengsheng Live Working Co.,Ltd. |