CN219418617U

CN219418617U - Composite coat fuse

Info

Publication number: CN219418617U
Application number: CN202320562953.1U
Authority: CN
Inventors: 李永钰; 刘松涛; 马一甫; 王冉
Original assignee: Zhongrui Electric Co ltd
Current assignee: Zhongrui Electric Co ltd
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-07-25
Anticipated expiration: 2033-03-21

Abstract

The utility model discloses a composite outer sleeve fuse, which belongs to the technical field of composite outer sleeve fuses and comprises a lightning arrester shell, an arc extinguishing pipe and a reinforcing sleeve, wherein a silicon rubber umbrella sleeve and a fixing bolt are respectively arranged on the outer surface of the lightning arrester shell, the lightning arrester shell is fixedly provided with a mounting bracket through the fixing bolt, the two ends of the lightning arrester shell are respectively provided with a first assembling head, the two ends of the arc extinguishing pipe are respectively provided with a second assembling head, the outer surface of the second assembling head is fixedly provided with a plugboard, the outer surface of the plugboard is provided with a fastening groove, the outer surface of the second assembling head is fixedly provided with a plug bush, the outer surfaces of the plug bush and the plug bush are respectively fixedly provided with a fastening block, and the utility model replaces the bolt fixing mode in a plug-in clamping mode, thereby avoiding the situation that the bolt is corroded by wind and snow and corrosion and is inconvenient to twist for a long time.

Description

Composite coat fuse

Technical Field

The utility model belongs to the technical field of composite sheath fuses, and particularly relates to a composite sheath fuse.

Background

The composite outer sleeve arrester is made of organic insulating material and has the same technical advantages as the traditional porcelain sleeve type metal oxide arrester

The combined scientific research results are that the protection electrical appliance which is most advanced in limiting overvoltage at present is widely used in power generation, transmission, transformation and distribution systems, insulation of electrical equipment is prevented from being damaged by overvoltage, in a 10kV high-voltage distribution network system, lightning arresters and fuses are arranged in equipment for protecting a transformer, but at present, the two protection equipment are respectively arranged on two cross arms, most of the protection equipment needs to be fixed by means of bolts in the assembling process, and the bolts are easily corroded to cause inconvenient screwing due to long-time wind and snow corrosion of the bolts, so that certain improvement is needed to be carried out on the structure of the protection equipment.

The present utility model has been made in view of this.

Disclosure of Invention

In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that: the utility model provides a compound overcoat fuse, includes arrester shell, arc extinguishing pipe and consolidates the cover, silicone rubber chute boot and fixing bolt are installed respectively to the surface of arrester shell, the arrester shell is equipped with the installing support through fixing bolt admittedly, no. one assembly head is all installed at the both ends of arrester shell, no. two assembly heads are all installed at the both ends of arc extinguishing pipe, no. two assembly head's surface has the plugboard admittedly, the fastening groove has been seted up to the surface of plugboard, no. two assembly head's surface has admittedly the plug bush, the grafting groove has been seted up to the surface of plug bush, the fastening block has been admittedly installed to the inner wall of grafting groove, the external surface of plugboard and plug bush has all admittedly strengthened the piece, the auxiliary groove has been seted up to the surface of strengthening the piece, the outside of strengthening the piece has been seted up to the cover.

As a further aspect of the utility model: the inner wall of the fastening groove and the outer surface of the fastening block are provided with fastening structures, each fastening structure comprises a fastening rod and a fastening hole, each fastening rod is fixedly arranged on the inner wall of the fastening groove, each fastening hole is formed in the outer surface of the fastening block, and the outer surface of each fastening rod is slidably connected with the inner wall of each fastening hole.

As a further aspect of the utility model: the outer surface of the plugboard is in sliding connection with the inner wall of the pluging groove, and the outer surface of the fastening block is in sliding connection with the inner wall of the fastening groove.

As a further aspect of the utility model: the lightning arrester shell is hollow, and a mounting sleeve is arranged outside the arc extinguishing pipe.

As a further aspect of the utility model: the number of the second assembling heads is two, and a first bolt and a second bolt are respectively arranged on the outer surfaces of the second assembling heads.

As a further aspect of the utility model: the outer surface of the reinforcing sleeve is in sliding connection with the inner wall of the auxiliary groove, and the outer surface of the reinforcing block is in sliding connection with the inner wall of the reinforcing groove.

The beneficial effects are that:

1. the plug board is aligned with the inserting groove, then the fastening block is inserted into the fastening groove until the plug board is completely inserted into the inserting groove, then the reinforcing block is inserted into the reinforcing groove until the reinforcing sleeve is completely propped against the inner part of the auxiliary groove, the arc extinguishing pipe can be arranged on the side wall of the lightning arrester shell, the bolt fixing mode is replaced by the inserting clamping mode, and the situation that the bolt is corroded and inconvenient to twist due to the fact that the bolt is located outside and corroded by wind and snow for a long time is avoided.

2. The fastening rod is inserted into the fastening hole, and is reinforced in a friction mode, so that damping sense in the inserting process is further improved, and workpieces are assembled more tightly.

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.

Drawings

In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a schematic structural view of an arc extinguishing tube according to the present utility model;

FIG. 3 is a schematic view of a plug bush according to the present utility model;

fig. 4 is a schematic structural view of a board according to the present utility model.

In the figure: 1. a lightning arrester housing; 2. arc extinguishing pipe; 3. a silicone rubber umbrella cover; 4. a fixing bolt; 5. a mounting bracket; 6. a first assembly head; 7. a second assembly head; 8. a plug board; 9. a fastening groove; 10. a fastening rod; 11. a plug bush; 12. a plug-in groove; 13. a fastening block; 14. a fastening hole; 15. a reinforcing block; 16. an auxiliary groove; 17. reinforcing the sleeve; 18. and a reinforcing groove.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model.

As shown in fig. 1 to 4, a composite coat fuse, including arrester shell 1, arc extinguishing pipe 2 and reinforcement cover 17, arrester shell 1 is the cavity, the externally mounted of arc extinguishing pipe 2 has the installation cover, silicone rubber umbrella cover 3 and fixing bolt 4 are installed respectively to the surface of arrester shell 1, the installing support 5 is fixed through fixing bolt 4 to arrester shell 1, first assembly head 6 is all installed at the both ends of arrester shell 1, second assembly head 7 is all installed at the both ends of arc extinguishing pipe 2, the external surface of second assembly head 7 is solid and is equipped with plugboard 8, the surface of plugboard 8 and the inner wall sliding connection of plugboard 12, the surface of fastening block 13 and the inner wall sliding connection of fastening groove 9, fastening groove 9 has been seted up to the surface of plugboard 8, second assembly head 7's surface is solid and is equipped with plug bush 11, the quantity of second assembly head 7 is two sets of, first bolt and second bolt are installed respectively to the surface of plug bush 11, plug bush 12 has been seted up to the surface of plug bush 12, fastening block 13 has been fixed to the inner wall of plug bush 12, the reinforcing block 8 and the reinforcement block's of reinforcing block 15 has been equipped with the auxiliary sleeve 15, the reinforcing block 17 has been equipped with the reinforcement groove 17, the auxiliary sleeve 17 has been equipped with the reinforcement groove's of the inner wall 15, the auxiliary sleeve 17 has been connected with the outer wall 17 of the auxiliary sleeve 17.

The plug board 8 is aligned with the inserting groove 12, then the fastening block 13 is inserted into the fastening groove 9 until the plug board 8 is completely inserted into the inserting groove 12, then the reinforcing block 15 is inserted into the reinforcing groove 18 until the reinforcing sleeve 17 is completely abutted against the inner part of the auxiliary groove 16, the arc extinguishing pipe 2 can be installed on the side wall of the lightning arrester shell 1, the arc extinguishing pipe 2, the silicone umbrella cover 3, the fixing bolt 4, the mounting bracket 5, the first assembling head 6, the second assembling head 7, the plug board 8, the fastening groove 9, the inserting sleeve 11, the inserting groove 12, the fastening block 13, the reinforcing block 15, the auxiliary groove 16, the reinforcing sleeve 17 and the reinforcing groove 18 are replaced by a bolt fixing mode in an inserting clamping mode, and the situation that the bolt is corroded by wind and snow erosion and inconvenient to twist due to the fact that the bolt is located outside for a long time is avoided.

Specifically, as shown in fig. 3 and 4, the inner wall of the fastening groove 9 and the outer surface of the fastening block 13 are provided with fastening structures, each fastening structure comprises a fastening rod 10 and a fastening hole 14, the fastening rod 10 is fixedly arranged on the inner wall of the fastening groove 9, the fastening hole 14 is formed in the outer surface of the fastening block 13, and the outer surface of the fastening rod 10 is slidably connected with the inner wall of the fastening hole 14.

The fastening rod 10 is inserted into the fastening hole 14, is reinforced in a friction mode, and is further improved in damping sense in the inserting process by arranging the fastening structure, so that workpieces are assembled more tightly.

Working principle: the plug board 8 is aligned with the inserting groove 12, then the fastening block 13 is inserted into the fastening groove 9 until the plug board 8 is completely inserted into the inserting groove 12, then the reinforcing block 15 is inserted into the reinforcing groove 18 until the reinforcing sleeve 17 is completely abutted against the inner part of the auxiliary groove 16, the arc extinguishing pipe 2 can be arranged on the side wall of the lightning arrester shell 1, the bolt fixing mode is replaced by the inserting and clamping mode, the condition that the bolt is corroded by wind and snow erosion and is inconvenient to twist due to the fact that the bolt is located outside for a long time is avoided, the fastening rod 10 is inserted into the fastening hole 14, the fastening rod is reinforced in a friction mode, the damping sense in the inserting process is further improved, and the workpiece assembly is more compact.

Claims

1. The utility model provides a compound overcoat fuse, includes arrester shell (1), arc extinguishing pipe (2) and consolidates cover (17), its characterized in that, silicone rubber umbrella cover (3) and fixing bolt (4) are installed respectively to the surface of arrester shell (1), install installing support (5) admittedly through fixing bolt (4) in arrester shell (1), first assembly head (6) are all installed at the both ends of arrester shell (1), no. two assembly heads (7) are all installed at the both ends of arc extinguishing pipe (2), no. two assembly heads (7)'s surface has fixed plugboard (8), fastening groove (9) have been seted up to the surface of plugboard (8), the surface of No. two assembly heads (7) has fixed plugboard (11), grafting groove (12) have been seted up to the surface of plugboard (11), fastening block (13) have been set firmly to the inner wall of grafting groove (12), the surface of plugboard (8) and plugboard (11) all has been fixed and has been consolidated block (15), the surface of consolidating block (15) has been equipped with supplementary external surface (17), the external surface (17) has been seted up.

2. The composite outer sleeve fuse according to claim 1, wherein the inner wall of the fastening groove (9) and the outer surface of the fastening block (13) are provided with fastening structures, the fastening structures comprise fastening rods (10) and fastening holes (14), the fastening rods (10) are fixedly arranged on the inner wall of the fastening groove (9), the fastening holes (14) are formed in the outer surface of the fastening block (13), and the outer surface of the fastening rods (10) is in sliding connection with the inner wall of the fastening holes (14).

3. A composite cover fuse according to claim 1, characterized in that the outer surface of the plug board (8) is slidingly connected with the inner wall of the plug slot (12), and the outer surface of the fastening block (13) is slidingly connected with the inner wall of the fastening slot (9).

4. A composite outer sleeve fuse according to claim 1, characterized in that the arrester housing (1) is hollow, and the exterior of the arc extinguishing tube (2) is provided with a mounting sleeve.

5. The composite outer sleeve fuse according to claim 1, wherein the number of the second assembling heads (7) is two, and the outer surfaces of the two second assembling heads (7) are respectively provided with a first bolt and a second bolt.

6. A composite outer sleeve fuse according to claim 1, characterized in that the outer surface of the reinforcing sleeve (17) is slidingly connected with the inner wall of the auxiliary groove (16), and the outer surface of the reinforcing block (15) is slidingly connected with the inner wall of the reinforcing groove (18).