CN215816992U

CN215816992U - Stably-inserted composite sleeve

Info

Publication number: CN215816992U
Application number: CN202122277731.9U
Authority: CN
Inventors: 吴伟春; 张永福; 雷荣
Original assignee: Hangzhou Aofeng Electrical Equipment Co ltd
Current assignee: Hangzhou Aofeng Electrical Equipment Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-02-11
Anticipated expiration: 2031-09-18

Abstract

The utility model discloses a stably-spliced composite sleeve, which comprises an insulating shell and a conductive rod, wherein the top of the insulating shell is provided with a through hole, the insulating shell comprises a first sleeve, a support and a second sleeve, the first sleeve is of a cylindrical structure and is fixed at the top of the support, the second sleeve is of a conical structure and is fixed at the bottom of the support, the top of the support is provided with a fixing assembly for a connecting device, the conductive rod is fixed in the through hole, two ends of the conductive rod are respectively provided with a first connecting hole, an internal thread is arranged in the first connecting hole at one side, and the internal thread of the first connecting hole is matched with a screw rod.

Description

Stably-inserted composite sleeve

Technical Field

The utility model relates to a composite sleeve, in particular to a stably-inserted composite sleeve.

Background

When the bushing is combined, the bushing is a connecting piece, also called an insulator, used in a high-voltage power transmission and transformation control cabinet for supporting and fixing and insulating a three-phase conductor.

Traditional compound sleeve pipe adopts threaded connection's mode to connect on control circuit mostly, and such connected mode makes when compound sleeve pipe breaks down change very inconvenient, and current compound sleeve pipe when breaking down, and the maintainer need detect the compound sleeve pipe that just can find out the trouble to each more compound sleeve pipe and make efficiency very low, has proposed following solution to above problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a stably-spliced composite sleeve, which can quickly realize the replacement of the composite sleeve by designing a stable splicing connection mode, and can directly detect which composite sleeve fails when the composite sleeve fails by wrapping sensing equipment on the composite sleeve.

The technical purpose of the utility model is realized by the following technical scheme:

the utility model provides a compound sleeve pipe of stable grafting, includes insulating casing, conducting rod, the through-hole has been seted up at the insulating casing top, insulating casing includes sleeve pipe one, support, sleeve pipe two, sleeve pipe one is fixed at the support top for cylindric structure and sleeve pipe one, sleeve pipe two is coniform structure just sleeve pipe two is fixed in the bottom of support, the top of support is provided with the fixed subassembly that is used for connecting device, the conducting rod is fixed in the through-hole, connecting hole one, one side have all been seted up at the both ends of conducting rod be equipped with the internal thread in the connecting hole one, just connecting hole one interior screw-thread fit has the screw rod.

The fixing component comprises a plurality of L-shaped fixing blocks and an insulating block, a plurality of threaded holes are formed in the top of the support, the L-shaped fixing blocks are fixed on the support through bolts, and the insulating block is fixed on the side wall of each L-shaped fixing block.

The utility model is further arranged in such a way that an upper ring groove is formed in the side wall of the through hole, the ring groove is positioned in the support, the conducting rod is wrapped with a fuse, an induction coil is wrapped outside the fuse, the fuse and the induction coil are both positioned in the ring groove, the upper end and the lower end of the ring groove are both fixed with ring-shaped rubber insulating pads, the side wall of the insulating shell is provided with a second connecting hole which is communicated with the ring groove, and one end of the induction coil penetrates out of the second connecting hole and is fixedly connected with an induction lamp.

The utility model is further configured such that the insulating housing is injection molded from epoxy.

The utility model is further configured such that the conductive rod is a conductive copper rod.

Has the advantages that: through the stable grafting between compound sleeve pipe and the electric cabinet of control be convenient for follow-up compound sleeve pipe change when breaking down, utilize parcel fuse and induction coil on electrically conductive copper pole to make compound sleeve pipe can the short-term test go wrong compound sleeve pipe when breaking down, when having reduced the detection cost, improved efficiency.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

fig. 2 is a schematic half-sectional view of an insulating housing according to an embodiment.

Reference numerals: 1. an insulating housing; 2. a conductive rod; 3. a through hole; 4. a first sleeve; 5. a support; 6. a second sleeve; 7. a fixing assembly; 8. a first connecting hole; 9. an internal thread; 10. a screw; 11. an L-shaped fixed block; 12. an insulating block; 13. a threaded hole; 14. an annular groove; 15. a fuse; 16. an induction coil; 17. an annular rubber insulating pad; 18. a second connecting hole; 19. an induction lamp.

Detailed Description

The following description is only a preferred embodiment of the present invention, and the protection scope is not limited to the embodiment, and any technical solution that falls under the idea of the present invention should fall within the protection scope of the present invention. It should also be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model.

See fig. 1 to 2, a compound sleeve pipe of stable grafting, including insulating casing 1, conducting rod 2, insulating casing 1 is moulded plastics through epoxy and is formed, and through-hole 3 has been seted up at insulating casing 1 top, and conducting rod 2 is fixed in through-hole 3, and conducting rod 2 is the electrically conductive copper pole, utilizes the good electric conductivity of electrically conductive copper pole to be convenient for the operation of equipment.

Insulating casing 1 includes sleeve pipe one 4, support 5, sleeve pipe two 6, sleeve pipe one 4 is fixed at support 5 top for cylindric structure and sleeve pipe one 4, sleeve pipe two 6 is fixed in support 5 bottom for coniform structure and sleeve pipe two 6, connecting hole one 8 has all been seted up at the both ends of conducting rod 2, be equipped with internal thread 9 in one side connecting hole one 8, and connecting hole 8 female thread fit has screw rod 10, it is convenient for be connected between compound sleeve pipe and the equipment to have screw rod 10 through setting up female thread 9 and the screw-thread fit cooperation, the top of support 5 is provided with fixed subassembly 7 that is used for connecting device, utilize fixed subassembly 7 to be convenient for compound sheathed tube installation.

Fixed subassembly 7 includes a plurality of L shape fixed block 11 and collets 12, a plurality of screw holes 13 have been seted up at support 5 top, L shape fixed block 11 passes through the bolt fastening and is fixed at support 5, earlier suitable L shape fixed block 11 has been better according to the part of required assembly when compound sleeve pipe is installed to needs, install L shape fixed block 11 on support 5 through the bolt, collets 12 are fixed on the lateral wall of L shape fixed block 11, play spacing effect through L shape fixed block 11 when the installation, thereby produce the joint cooperation between elasticity realization equipment and the L shape fixed block 11 through the extrusion of equipment to collets 12, the change when being convenient for follow-up compound sleeve pipe to break down through stable grafting between compound sleeve pipe and the control electrical cabinet.

An upper annular groove 14 is formed in the side wall of the through hole 3, the annular groove 14 is located in the support 5, a fuse 15 is wrapped on the conducting rod 2, the fuse 15 is utilized to protect the composite sleeve, the fuse 15 can be automatically fused when the current passing through the conducting rod 2 is too large, an induction coil 16 is wrapped outside the fuse 15, the fuse 15 and the induction coil 16 are both located in the annular groove 14, annular rubber insulating pads 17 are fixed at the upper end and the lower end of the annular groove 14, the upper end and the lower end of the annular groove 14 are insulated and protected through the annular rubber insulating pads 17, the induction coil 16 is prevented from being affected by the current when the composite sleeve does not fail, the induction coil 16 can sense the current when the fuse 15 is fused, a connecting hole is formed in the side wall of the insulating shell 1 and is communicated with the annular groove 14, one end of the induction coil 16 penetrates out of the connecting hole and is fixedly connected with an induction lamp 19, the induction lamp 19 generates illumination by inducing current through the induction coil 16, so that the composite sleeve can be rapidly detected to be failed, the detection cost is reduced, and the efficiency is improved.

Claims

1. A composite bushing which is stably inserted comprises an insulating shell (1) and a conducting rod (2), it is characterized in that the top of the insulating shell (1) is provided with a through hole (3), the insulating shell (1) comprises a first sleeve (4), a support (5) and a second sleeve (6), the first sleeve (4) is of a cylindrical structure, the first sleeve (4) is fixed at the top of the support (5), the second sleeve (6) is in a conical structure, the second sleeve (6) is fixed at the bottom of the support (5), the top of the support (5) is provided with a fixing component (7) for connecting the device, conducting rod (2) are fixed in through-hole (3), connecting hole (8), one side have all been seted up at the both ends of conducting rod (2) be equipped with internal thread (9) in connecting hole (8), just connecting hole (8) interior screw-thread fit has screw rod (10).

2. The stably-spliced composite bushing according to claim 1, wherein the fixing assembly (7) comprises a plurality of L-shaped fixing blocks (11) and insulating blocks (12), a plurality of threaded holes (13) are formed in the top of the support (5), the L-shaped fixing blocks (11) are fixed on the support (5) through bolts, and the insulating blocks (12) are fixed on the side walls of the L-shaped fixing blocks (11).

3. The stably-spliced composite bushing according to claim 2, wherein an upper annular groove (14) is formed in the side wall of the through hole (3), the annular groove (14) is located in the support (5), the conductive rod (2) is wrapped with a fuse (15), an induction coil (16) is wrapped outside the fuse (15), the fuse (15) and the induction coil (16) are both located in the annular groove (14), annular rubber insulating pads (17) are fixed at the upper end and the lower end of the annular groove (14), a connecting hole II (18) is formed in the side wall of the insulating shell (1), the connecting hole II (18) is communicated with the annular groove (14), and one end of the induction coil (16) penetrates out of the connecting hole II (18) and is fixedly connected with an induction lamp (19).

4. A composite bushing according to claim 3, characterized in that the insulating housing (1) is injection molded with epoxy.

5. A composite bushing according to claim 4, characterized in that the conductive rod (2) is a conductive copper rod.