CN212297958U - Wall bushing structure for high-voltage cabinet - Google Patents
Wall bushing structure for high-voltage cabinet Download PDFInfo
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- CN212297958U CN212297958U CN202020693877.4U CN202020693877U CN212297958U CN 212297958 U CN212297958 U CN 212297958U CN 202020693877 U CN202020693877 U CN 202020693877U CN 212297958 U CN212297958 U CN 212297958U
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- wiring board
- locking
- insulating sleeve
- insulating
- rod
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Abstract
The utility model discloses a wall bushing structure for high-voltage board, including conducting rod and suit in insulating sleeve on the conducting rod. And the two ends of the conducting rod extend out of the insulating sleeve and are connected with wiring ends for connecting a power line. Wiring end includes last wiring board, the lower wiring board that sets up from top to bottom, upward be equipped with the through wires hole on the wiring board, be equipped with on the lower wiring board with go up the lower through wires hole that the through wires hole corresponds the setting. And the upper wiring board and the lower wiring board are also provided with locking parts for locking the power line together. Insulating rib plates positioned at two ends of the insulating sleeve are further symmetrically sleeved on the conducting rod, and the insulating rib plates are fixedly connected to the insulating sleeve. The utility model discloses a wall bushing structure is not only intensity high, and the installation is reliable, has improved the security that the power line is connected moreover.
Description
Technical Field
The utility model relates to a high-low voltage apparatus technical field especially relates to a wall bushing structure for high-voltage board.
Background
The high-voltage switch cabinet is also called as metal closed switch equipment, which is electrical equipment mainly comprising a circuit breaker, and related control electrical equipment, protective electrical equipment, measuring electrical equipment, a bus, a current-carrying conductor, an insulator and the like are assembled in a closed metal cabinet body, so that the main function is to receive and distribute electric energy, and the quality of the electric energy is directly related to the stability and the reliability of electric energy supply.
The high-voltage wall bushing is a commonly used component in a high-voltage switch cabinet, and is a device for guiding a high-voltage power supply by passing through the wall inside and outside a high-voltage switch or a transformer, but the existing high-voltage wall bushing has the problems of low strength and unstable installation, easily causes the unstable connection of a power line, and has certain potential safety hazard.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model aims to provide a wall bushing structure for high-voltage board, not only intensity is high, and the installation is reliable, has improved the security that the power line is connected moreover.
In order to achieve the above purpose, the utility model discloses a technical scheme is: a wall bushing structure for a high-voltage cabinet comprises a conducting rod and an insulating bushing sleeved on the conducting rod. And the two ends of the conducting rod extend out of the insulating sleeve and are connected with wiring ends for connecting a power line. Wiring end includes last wiring board, the lower wiring board that sets up from top to bottom, upward be equipped with the through wires hole on the wiring board, be equipped with on the lower wiring board with go up the lower through wires hole that the through wires hole corresponds the setting. And the upper wiring board and the lower wiring board are also provided with locking parts for locking the power line together. Insulating rib plates positioned at two ends of the insulating sleeve are further symmetrically sleeved on the conducting rod, and the insulating rib plates are fixedly connected to the insulating sleeve.
The beneficial effects of the utility model reside in that: the arrangement of the insulating rib plates improves the connection strength between the conducting rod and the insulating sleeve, and the conducting rod is prevented from shaking along with a power line, so that the mounting stability of the wall bushing is improved; the connection reliability of the power line is further improved through the arrangement of the wiring terminal; during wiring, the power line sequentially penetrates through the upper threading hole and the lower threading hole, is screwed down, and is locked between the upper wiring board and the lower wiring board through the locking part, so that the potential safety hazard caused by the fact that the power line is separated from the wiring terminal after long-term use is prevented.
Further, the insulating rib plate is of a hollow truncated cone-shaped structure, and an annular convex block is integrally arranged on the large circular surface of the insulating rib plate. And the two ends of the insulating sleeve are provided with annular clamping grooves used for clamping the annular convex blocks. The effective support of the conducting rod extending out of the insulating sleeve can be enhanced through the insulating rib plate with the truncated cone-shaped structure, the insulating rib plate is connected with the insulating sleeve through the matching of the annular convex block and the annular clamping groove, and the installation reliability of the insulating sleeve and the conducting rod is further improved.
Further, two ends of the insulating sleeve are symmetrically provided with annular caulking grooves located on the inner sides of the annular clamping grooves, and sealing rings sleeved on the conducting rods are arranged in the annular caulking grooves. One side of the sealing ring is pressed in the annular caulking groove, and the other side of the sealing ring is pressed on the insulating rib plate. The connection stability of the insulating sleeve and the insulating rib plate is improved through the arrangement of the sealing ring.
Further, the locking part comprises a locking rod arranged on the upper wiring board in a penetrating mode and a locking groove arranged on the lower wiring board. The bottom of the locking rod extends into the locking groove, and a pressure spring used for locking the locking rod in the locking groove is sleeved on the side wall of the locking rod.
Further, the locking lever comprises a lever body, the top of the lever body is provided with an end cover, and the side wall of the lever body is integrally provided with an annular baffle. The pressure spring is sleeved on the rod body between the annular baffle plate and the upper wiring board, one end of the pressure spring is abutted against the upper wiring board, and the other end of the pressure spring is abutted against the annular baffle plate. When the device works, the end cover is lifted upwards, the rod body moves upwards along the upper wiring board, the pressure spring is stressed and compressed, and the bottom of the rod body leaves the locking groove; at the moment, the screwed power line is pressed into the locking groove, the end cover is loosened, the rod body moves downwards under the resilience force of the pressure spring, and the bottom of the rod body stretches into the locking groove again and is pressed on the power line.
Furthermore, a connecting flange is fixedly connected to the middle of the insulating sleeve, and a plurality of climbing-increasing umbrella skirts fixedly connected to the insulating sleeve are symmetrically arranged on two sides of the connecting flange. The arrangement of the climbing-increasing umbrella skirt plays a role in increasing the climbing distance, so that the insulation performance of the insulation sleeve is better.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic sectional view of an embodiment of the present invention;
FIG. 3 is a partial enlarged view of portion A of FIG. 2;
fig. 4 is a partially enlarged view of a portion B in fig. 2.
In the figure:
1-a conductive rod; 2-an insulating sleeve; 21-annular caulking groove; 22-a sealing ring; 3-a terminal; 31 — an upper patch panel; 311-threading hole; 32-lower connection board; 321-lower threading hole; 33-a locking lever; 331-a rod body; 332-end cap; 333-ring baffle; 34-a locking groove; 35-a pressure spring; 4-insulating rib plate; 41-annular projection; 5-a connecting flange; 6-climbing umbrella skirt.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Examples
Referring to fig. 1-2, the wall bushing structure for a high-voltage board of the present invention includes a conductive rod 1 and an insulating sleeve 2 sleeved on the conductive rod 1. Two ends of the conducting rod 1 extend out of the insulating sleeve 2 and are connected with wiring terminals 3 for connecting power lines. Wiring end 3 is including last wiring board 31, the lower wiring board 32 of setting from top to bottom, upward be equipped with through wires hole 311 on the wiring board 31, be equipped with on the lower wiring board 32 with go up through wires hole 311 and correspond the lower through wires hole 321 that sets up. The upper wiring board 31 and the lower wiring board 32 are also provided with locking parts for locking the power lines together. The conducting rod 1 is further symmetrically sleeved with insulating rib plates 4 positioned at two ends of the insulating sleeve 2, and the insulating rib plates 4 are fixedly connected to the insulating sleeve 2.
The arrangement of the insulating rib plates 4 improves the connection strength of the conducting rod 1 and the insulating sleeve 2, and the conducting rod 1 is prevented from shaking along with a power line, so that the mounting stability of the wall bushing is improved; the connection reliability of the power line is further improved by the arrangement of the wiring terminal 3; during wiring, the power line sequentially penetrates through the upper threading hole 311 and the lower threading hole 321, is screwed down, and is locked between the upper wiring board 31 and the lower wiring board 32 through the locking part, so that potential safety hazards caused by the fact that the power line is separated from the wiring terminal after long-term use are prevented.
In this embodiment, referring to fig. 3, the insulating rib 4 is a hollow truncated cone structure, and an annular protrusion 41 is integrally formed on a large circular surface of the insulating rib. And two ends of the insulating sleeve 2 are provided with annular clamping grooves for clamping the annular convex blocks 41. The effective support of the conducting rod 1 extending out of the insulating sleeve 2 can be enhanced through the insulating rib plate 4 with the truncated cone-shaped structure, the insulating rib plate 4 is connected with the insulating sleeve 2 through the matching of the annular convex block 41 and the annular clamping groove, and the installation reliability of the insulating sleeve 2 and the conducting rod 1 is further improved.
In this embodiment, referring to fig. 3, two ends of the insulating sleeve 2 are further symmetrically provided with an annular caulking groove 21 located inside the annular clamping groove, and a sealing ring 22 sleeved on the conducting rod 1 is arranged in the annular caulking groove 21. One side of the sealing ring 22 is pressed in the annular caulking groove 21, and the other side is pressed on the insulating rib plate 4. The connection stability of the insulating sleeve 2 and the insulating rib plate 4 is improved by the arrangement of the sealing ring 22.
In the present embodiment, referring to fig. 4, the locking portion includes a locking bar 33 inserted into the upper terminal plate 31 and a locking groove 34 formed in the lower terminal plate 32. The bottom of the locking rod 33 extends into the locking groove 34, and the side wall of the locking rod is sleeved with a pressure spring 35 for locking the locking rod in the locking groove 34. Specifically, the locking lever 33 includes a lever body 331 having an end cap 332 at the top thereof, and an annular baffle 333 is integrally disposed on a side wall of the lever body 331. The pressure spring 35 is sleeved on the rod body 331 between the annular baffle 333 and the upper wiring board 31, one end of the pressure spring 35 abuts against the upper wiring board 31, and the other end of the pressure spring abuts against the annular baffle 333.
After the power line is screwed down, the end cover 332 is pulled upwards, the rod body 331 moves upwards along the upper wiring board 31, the pressure spring 35 is stressed and compressed, and the bottom of the rod body 331 leaves the locking groove 34; at this time, the tightened power line is pressed into the locking groove 34, the end cover 332 is loosened, the rod body 331 moves downward under the resilience force of the pressure spring 35, and the bottom of the rod body 331 extends into the locking groove 34 again and is pressed on the power line.
In this embodiment, referring to fig. 1-2, a connecting flange 5 is fixedly connected to the middle of the insulating sleeve 2, and a plurality of climbing-increasing umbrella skirts 6 fixedly connected to the insulating sleeve 2 are symmetrically arranged on both sides of the connecting flange 5. The arrangement of the climbing-increasing umbrella skirt 6 plays a role in increasing the climbing distance, so that the insulating property of the insulating sleeve 2 is better.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (6)
1. A wall bushing structure for a high-voltage cabinet comprises a conductive rod and an insulating bushing sleeved on the conductive rod; the method is characterized in that: the two ends of the conducting rod extend out of the insulating sleeve and are connected with wiring ends used for connecting a power line; the wiring end comprises an upper wiring board and a lower wiring board which are arranged up and down, an upper threading hole is formed in the upper wiring board, and a lower threading hole which is arranged corresponding to the upper threading hole is formed in the lower wiring board; the upper wiring board and the lower wiring board are also provided with locking parts for locking the power line together; insulating rib plates positioned at two ends of the insulating sleeve are further symmetrically sleeved on the conducting rod, and the insulating rib plates are fixedly connected to the insulating sleeve.
2. A wall bushing structure according to claim 1, wherein: the insulating rib plate is of a hollow truncated cone-shaped structure, and an annular bump is integrally arranged on the large circular surface of the insulating rib plate; and the two ends of the insulating sleeve are provided with annular clamping grooves used for clamping the annular convex blocks.
3. A wall bushing structure according to claim 2, wherein: two ends of the insulating sleeve are also symmetrically provided with annular caulking grooves positioned at the inner sides of the annular clamping grooves, and sealing rings sleeved on the conducting rods are arranged in the annular caulking grooves; one side of the sealing ring is pressed in the annular caulking groove, and the other side of the sealing ring is pressed on the insulating rib plate.
4. A wall bushing structure according to any one of claims 1-3, wherein: the locking part comprises a locking rod arranged on the upper wiring board in a penetrating way and a locking groove positioned on the lower wiring board; the bottom of the locking rod extends into the locking groove, and a pressure spring used for locking the locking rod in the locking groove is sleeved on the side wall of the locking rod.
5. A wall bushing structure according to claim 4, wherein: the locking rod comprises a rod body, the top of the rod body is provided with an end cover, and the side wall of the rod body is integrally provided with an annular baffle; the pressure spring is sleeved on the rod body between the annular baffle plate and the upper wiring board, one end of the pressure spring is abutted against the upper wiring board, and the other end of the pressure spring is abutted against the annular baffle plate.
6. A wall bushing structure according to claim 1, wherein: the middle part of the insulating sleeve is fixedly connected with a connecting flange, and a plurality of climbing-increasing umbrella skirts fixedly connected to the insulating sleeve are symmetrically arranged on two sides of the connecting flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020693877.4U CN212297958U (en) | 2020-04-29 | 2020-04-29 | Wall bushing structure for high-voltage cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020693877.4U CN212297958U (en) | 2020-04-29 | 2020-04-29 | Wall bushing structure for high-voltage cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212297958U true CN212297958U (en) | 2021-01-05 |
Family
ID=73964497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020693877.4U Active CN212297958U (en) | 2020-04-29 | 2020-04-29 | Wall bushing structure for high-voltage cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212297958U (en) |
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2020
- 2020-04-29 CN CN202020693877.4U patent/CN212297958U/en active Active
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