Sealed high-voltage fuse

Abstract

The utility model relates to the technical field of high-voltage fuses, and discloses a sealed high-voltage fuse which comprises a shell, a sliding plate is slidably connected to the inner wall of the shell, a connecting column is fixedly connected to the upper surface of the sliding plate, a sleeve is slidably connected to the outer wall of the connecting column, and the outer wall of the sleeve is fixedly connected to the inner wall of the shell. A spring is arranged on the outer wall of the connecting column, one end of the spring is fixedly connected to the outer wall of the sleeve, a clamping block is fixedly connected to the top end of the connecting column, the other end of the spring is fixedly connected to the lower surface of the clamping block, an L-shaped plate is arranged on the outer wall of the clamping block, and the outer wall of the L-shaped plate is arranged on the inner wall of the shell. According to the utility model, the sliding plate is pushed to drive the clamping block to slide through the connecting column, when the clamping block slides out of the inner wall of the L-shaped plate, the L-shaped plate is driven to slide through the cover, and when the L-shaped plate slides out of the inner wall of the groove, the shell can be quickly disassembled, and the effect of improving the maintenance efficiency is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to high voltage fuse technical field especially relates to sealed high voltage fuse. BACKGROUND

[0002] Sealed high voltage fuse is a kind of protection device for high voltage power system, its main function is when current exceeds the safety value set, through the internal fuse element fusing, rapidly cut off circuit, prevent power equipment and line damage due to overload or short circuit.

[0003] Usually, when fuse fails, maintenance personnel need to manually use different specifications of tool to disassemble shell, usually need to loosen fixed bolt or other fasteners one by one. Especially when the shell design is complex, the whole process is very time-consuming, and the efficiency of maintenance and repair is affected. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides sealed high voltage fuse, aims at improving the problem that the general fuse needs to use multiple tools for disassembly, affects the efficiency of repair.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0006] Sealed high voltage fuse, including shell, the inner wall of shell is slidably connected with sliding plate, the upper surface of sliding plate is fixedly connected with connecting column, the outer wall of connecting column is slidably connected with sleeve, the outer wall of sleeve is fixedly connected in the inner wall of shell, the outer wall of connecting column is provided with spring, one end of spring is fixedly connected in the outer wall of sleeve, the top of connecting column is fixedly connected with clamping block, the other end of spring is fixedly connected in the lower surface of clamping block, the outer wall of clamping block is provided with L-shaped plate, the outer wall of L-shaped plate is arranged in the inner wall of shell, the recess is set in the inside of shell, the outer wall of L-shaped plate is arranged in the inner wall of recess, the upper surface of L-shaped plate is provided with sealing assembly, sealing assembly is used to seal the effect of fuse.

[0007] Preferably, the sealing assembly includes a lid, the upper surface of the L-shaped plate is fixedly connected to the inner wall of the lid, the inner wall of the lid is fixedly connected with a sealing ring, and the outer wall of the sealing ring is arranged in the inner wall of the shell.

[0008] Preferably, the inner wall of the shell is fixedly connected with a fixed frame, and the inner wall of the fixed frame is rotatably connected with a worm.

[0009] Preferably, the outer wall of the worm is fixedly connected with a knob.

[0010] Preferably, the tooth end of the worm is connected with a worm gear, the inside of the worm gear is fixedly connected with a rotating column, and the outer wall of the rotating column is rotationally connected to the inner wall of the fixed frame.

[0011] Preferably, the outer wall of the rotating column is fixedly connected with a gear, the tooth end of the gear is connected with an arc-shaped tooth, and the outer wall of the arc-shaped tooth is fixedly connected with a toothed disc.

[0012] Preferably, the tooth end of the arc-shaped tooth is connected with a joint plate, and the inside of the joint plate is rotationally connected with a limiting column.

[0013] Preferably, the outer wall of the limiting column is fixedly connected with a frame, the outer wall of the frame is fixedly connected to the outer wall of the fixed frame, and the outer wall of the frame is fixedly connected to the inner wall of the shell.

[0014] The utility model has the advantages of the following beneficial effects:

[0015] 1. In the utility model, the sliding plate is pushed to drive the clamping block to slide through the connecting column, when the clamping block slides out of the inner wall of the L-shaped plate, the L-shaped plate is driven to slide through the cover, when the L-shaped plate slides out of the inner wall of the groove, the shell can be quickly disassembled, and the maintenance efficiency is improved.

[0016] 2. In the utility model, the knob is rotated to drive the worm gear to rotate through the worm, the gear is driven to rotate through the rotating column, the joint plate is driven to rotate through the arc-shaped tooth, and finally the effect of quickly loosening or fixing the fuse column is achieved, so that maintenance personnel can quickly replace the fuse column, and the maintenance efficiency is improved. DRAWINGS

[0017] Figure 1 The utility model provides a sealed high-voltage fuse's perspective view;

[0018] Figure 2 The utility model provides a sealed high-voltage fuse's spring partial structure schematic view;

[0019] Figure 3 The utility model provides a sealed high-voltage fuse's gear partial structure schematic view.

[0020] LEGEND:

[0021] 1, shell, 2, sliding plate, 3, connecting column, 4, sleeve, 5, spring, 6, clamping block, 7, L-shaped plate, 8, groove, 9, cover, 10, sealing ring, 11, fixed frame, 12, worm, 13, knob, 14, worm gear, 15, rotating column, 16, gear, 17, arc-shaped tooth, 18, toothed disc, 19, joint plate, 20, limiting column, 21, frame. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the specification of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] With reference to Figure 1 And Figure 2 An embodiment provided by the utility model: sealed high-voltage fuse, including shell 1, the inner wall of shell 1 is slidably connected with sliding plate 2, the upper surface of sliding plate 2 is fixedly connected with connecting column 3, the outer wall of connecting column 3 is slidably connected with sleeve 4, the outer wall of sleeve 4 is fixedly connected in the inner wall of shell 1, the outer wall of connecting column 3 is provided with spring 5, one end of spring 5 is fixedly connected in the outer wall of sleeve 4, the top of connecting column 3 is fixedly connected with clamping block 6, the other end of spring 5 is fixedly connected in the lower surface of clamping block 6, the outer wall of clamping block 6 is provided with L-shaped plate 7, the outer wall of L-shaped plate 7 is arranged in the inner wall of shell 1, the inside of shell 1 is provided with recess 8, the outer wall of L-shaped plate 7 is arranged in the inner wall of recess 8, the upper surface of L-shaped plate 7 is provided with sealing assembly, sealing assembly is used for the effect of sealing fuse;

[0024] Specifically, shell 1 can support sliding plate 2, when sliding sliding plate 2, sliding plate 2 will drive connecting column 3 to slide in the inner wall of sleeve 4, shell 1 can support sleeve 4, when connecting column 3 slides, it will drive clamping block 6 to slide, and when clamping block 6 slides, it will extrude spring 5, spring 5 can make clamping block 6 slide to the inner wall of L-shaped plate 7 and limit L-shaped plate 7 without other external force, and when clamping block 6 slides out of the inner wall of L-shaped plate 7, it can release the limitation of L-shaped plate 7, so that L-shaped plate 7 can slide in the inner wall of recess 8 and slide out of the inner wall of recess 8, to quickly disassemble shell 1, so that maintenance personnel can quickly access the inside of fuse for inspection, cleaning or component replacement.

[0025] With reference to Figure 2 The sealing assembly includes lid 9, the upper surface of L-shaped plate 7 is fixedly connected in the inner wall of lid 9, the inner wall of lid 9 is fixedly connected with sealing ring 10, the outer wall of sealing ring 10 is arranged in the inner wall of shell 1.

[0026] Specifically, lid 9 can support L-shaped plate 7, when L-shaped plate 7 is limited, lid 9 can also be fixed on the outer wall of shell 1, to achieve the effect of sealing, and sealing ring 10 can enhance the sealing property of lid 9.

[0027] With reference to Figure 3The inner wall of the shell 1 is fixedly connected with a fixed frame 11, the inner part of the fixed frame 11 is rotatably connected with a worm 12; the outer wall of the worm 12 is fixedly connected with a knob 13; the tooth end of the worm 12 is meshingly connected with a worm wheel 14, the inner part of the worm wheel 14 is fixedly connected with a rotating column 15, the outer wall of the rotating column 15 is rotatably connected with the inner wall of the fixed frame 11; the outer wall of the rotating column 15 is fixedly connected with a gear 16, the tooth end of the gear 16 is meshingly connected with an arc-shaped tooth 17, the outer wall of the arc-shaped tooth 17 is fixedly connected with a toothed disc 18; the tooth end of the arc-shaped tooth 17 is meshingly connected with a joint plate 19, the inner part of the joint plate 19 is rotatably connected with a limiting column 20; the outer wall of the limiting column 20 is fixedly connected with a frame 21, the outer wall of the frame 21 is fixedly connected with the outer wall of the fixed frame 11, and the outer wall of the frame 21 is fixedly connected with the inner wall of the shell 1;

[0028] Specifically, the shell 1 can play a role of fixed support for the fixed frame 11 and the frame 21, the fixed frame 11 can play a role of support for the worm 12, ensuring the stability of the worm 12 during rotation, and the worm 12 can also play a role of fixed support for the knob 13, when the knob 13 is rotated, the knob 13 will drive the worm 12 to rotate, and the rotation of the worm 12 will also drive the worm wheel 14 to rotate, and the rotation of the worm wheel 14 will also drive the rotating column 15 to rotate, and the rotation of the rotating column 15 will also drive the gear 16 to rotate, and the rotation of the gear 16 will also drive the arc-shaped tooth 17 to slide, and the sliding of the arc-shaped tooth 17 will also drive the toothed disc 18 to slide, and the sliding of the toothed disc 18 will also drive the other arc-shaped tooth 17 to slide, and the sliding of the arc-shaped tooth 17 will also drive the joint plate 19 to rotate around the limiting column 20, the frame 21 can play a role of fixed support for the limiting column 20, and the rotation of the joint plate 19 can open an opening, so that the fuse column can be placed in the opening, and the fuse column can be clamped and fixed by closing the opening, achieving the effect of quickly disassembling and assembling the fuse column.

[0029] Working principle: when the device is needed, first of all, the staff pushes the sliding plate 2, and the sliding plate 2 drives the connecting column 3 to slide, and the sliding of the connecting column 3 drives the clamping block 6 to slide, when the clamping block 6 slides out of the inner wall of the L-shaped plate 7, the limiting of the L-shaped plate 7 can be released, then rotate the cover 9, the cover 9 drives the L-shaped plate 7 to slide, when the L-shaped plate 7 slides out of the inner wall of the groove 8, the shell 1 can be opened, so that the maintenance personnel can quickly contact the fuse inside for inspection, when the fuse needs to be replaced or repaired, first of all, the staff rotates the knob 13, the knob 13 drives the worm 12 to rotate, the rotation of the worm 12 drives the worm wheel 14 to rotate, and the rotation of the worm wheel 14 drives the rotating column 15 to rotate, so that the rotating column 15 drives the gear 16 to rotate, at the same time, the rotation of the gear 16 drives the arc-shaped tooth 17 and the toothed disc 18 to slide, and the sliding of the arc-shaped tooth 17 drives the combined plate 19 to rotate around the limiting column 20, so as to open or close the opening, so as to release or fix the fuse, that is, the device not only can quickly disassemble the shell 1, so that when the fuse fails or is maintained regularly, the technician can more quickly open the shell 1, check the inside, replace the fuse or other maintenance operation, reduce the equipment downtime, and improve the maintenance efficiency, but also can quickly fix the clamping fuse, so that the maintenance personnel can more easily replace, check or maintain the fuse, further improve the maintenance efficiency.

[0030] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A sealed high-voltage fuse, comprising a housing (1), characterized in that: A sliding plate (2) is slidably connected to the inner wall of the outer shell (1). A connecting column (3) is fixedly connected to the upper surface of the sliding plate (2). A sleeve (4) is slidably connected to the outer wall of the connecting column (3). The outer wall of the sleeve (4) is fixedly connected to the inner wall of the outer shell (1). A spring (5) is provided on the outer wall of the connecting column (3). One end of the spring (5) is fixedly connected to the outer wall of the sleeve (4). A locking block (6) is fixedly connected to the top of the connecting column (3). The other end of the spring (5) is fixedly connected to the lower surface of the locking block (6). An L-shaped plate (7) is provided on the outer wall of the locking block (6). The outer wall of the L-shaped plate (7) is located on the inner wall of the outer shell (1). A groove (8) is opened inside the outer shell (1). The outer wall of the L-shaped plate (7) is located on the inner wall of the groove (8). A sealing component is provided on the upper surface of the L-shaped plate (7). The sealing component is used to seal the fuse.

2. The sealed high-voltage fuse according to claim 1, characterized in that: The sealing assembly includes a cover (9), the upper surface of the L-shaped plate (7) is fixedly connected to the inner wall of the cover (9), a sealing ring (10) is fixedly connected to the inner wall of the cover (9), and the outer wall of the sealing ring (10) is disposed on the inner wall of the outer shell (1).

3. The sealed high-voltage fuse according to claim 1, characterized in that: The inner wall of the outer shell (1) is fixedly connected to a fixed frame (11), and a worm gear (12) is rotatably connected inside the fixed frame (11).

4. The sealed high-voltage fuse according to claim 3, characterized in that: A knob (13) is fixedly connected to the outer wall of the worm (12).

5. The sealed high-voltage fuse according to claim 4, characterized in that: The tooth end of the worm (12) is meshed with a worm wheel (14), and a rotating column (15) is fixedly connected inside the worm wheel (14). The outer wall of the rotating column (15) is rotatably connected to the inner wall of the fixed frame (11).

6. The sealed high-voltage fuse according to claim 5, characterized in that: A gear (16) is fixedly connected to the outer wall of the rotating column (15), and an arc-shaped tooth (17) is meshed with the tooth end of the gear (16). A gear disk (18) is fixedly connected to the outer wall of the arc-shaped tooth (17).

7. The sealed high-voltage fuse according to claim 6, characterized in that: The ends of the arc-shaped teeth (17) are engaged with a mating plate (19), and the interior of the mating plate (19) is rotatably connected to a limit post (20).

8. The sealed high-voltage fuse according to claim 7, characterized in that: The outer wall of the limiting post (20) is fixedly connected to a frame (21), the outer wall of the frame (21) is fixedly connected to the outer wall of the fixed frame (11), and the outer wall of the frame (21) is fixedly connected to the inner wall of the outer shell (1).

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