CN218039081U

CN218039081U - High-voltage fuse

Info

Publication number: CN218039081U
Application number: CN202221786323.4U
Authority: CN
Inventors: 金仁霞; 金云中
Original assignee: Anhui Daxin Electrical Equipment Co ltd
Current assignee: Anhui Daxin Electrical Equipment Co ltd
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2022-12-13
Anticipated expiration: 2032-07-12

Abstract

The utility model discloses a high-voltage fuse, which comprises a supporting device and a fuse body, wherein the fuse body comprises a contact conductive device and a fuse tube, and the contact conductive device comprises a wire inlet end, an upper contact head, a pressure spring, a lower support, a lantern ring joint and a wire outlet end; the supporting device comprises a fixing mechanism and a supporting insulator, the fixing mechanism comprises a mounting bracket and a reinforcing rod, and the mounting bracket comprises a fixing plate and a mounting plate; the tail end of the bottom of the mounting plate is provided with a square groove, sliding holes are symmetrically formed in two sides of the inner wall of the square groove, a spring button is inserted in each sliding hole, a first elastic piece is sleeved on each spring button, and an anti-mistaken-pressing structure is arranged above each first elastic piece; grooves are symmetrically formed in two sides of one end, connected with the mounting plate, of the connecting rod, and the insides of the grooves are connected with the bumps in a sliding mode through second elastic pieces; the utility model discloses simple structure installs reliably, easy to assemble and dismantlement and installation stability is good with the security, also has rain-proof function simultaneously.

Description

High-voltage fuse

Technical Field

The utility model relates to an electrical components technical field specifically is high-voltage fuse.

Background

The fuse is the simplest protective electric appliance, is used for protecting electric equipment from being damaged by overload and short-circuit current, and different types of high-voltage fuses are selected according to installation conditions and purposes, and the fuse is a fuse.

However, the high-voltage fuse has certain defects in the installation aspect, the existing high-voltage fuse is not convenient to detach, the detachment is troublesome in the process of detaching again, the detachment can be completed by means of a large number of auxiliary devices, and secondary damage is easily caused to the high-voltage fuse, so that the maintenance and replacement of the high-voltage fuse are not convenient, the service life of the high-voltage fuse is greatly shortened, and the high-voltage fuse is provided so as to solve the problems provided in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-voltage fuse to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the high-voltage fuse comprises a supporting device and a fuse body, wherein the fuse body comprises a contact conductive device and a fuse tube, the contact conductive device comprises a wire inlet end, an upper contact head connected with the wire inlet end, a pressure spring connected with the fuse tube, a lower support, a lantern ring joint fixedly connected with the lower support and a wire outlet end fixedly connected with the lower support, and a supporting insulator is fixedly connected with the fuse tube through the contact conductive device; the supporting device comprises a fixing mechanism and a supporting insulator, the fixing mechanism comprises a mounting bracket and a reinforcing rod, the mounting bracket comprises a fixing plate and a mounting plate connected with the fixing plate through a bolt, one end of the reinforcing rod is fixedly connected with the mounting plate through a screw, and the other end of the reinforcing rod is sleeved on the supporting insulator and is reinforced by a nut, so that the supporting insulator and the fuse tube are prevented from moving left and right; the bottom end of the mounting plate is connected with a connecting rod for supporting an insulator through a set of spring clamping device, a square groove is formed in the bottom end of the mounting plate, sliding holes are symmetrically formed in two sides of the inner wall of the square groove, a spring button is inserted into each sliding hole and is in sliding connection with the corresponding sliding hole, the cross section of the spring button in the vertical direction is in a T shape, a first elastic piece is sleeved on the spring button, one end of the first elastic piece is fixedly connected with the outer surface of the mounting plate, the other end of the first elastic piece is fixedly connected with the spring button, and an anti-mistaken pressing structure is arranged above the first elastic piece; the connecting rod is connected with one end of the mounting plate, two sides of the connecting rod are symmetrically provided with grooves, the insides of the grooves are connected with lugs in a sliding mode through second elastic pieces, and the sizes of the cross section of the lugs in the vertical direction, the cross section of the grooves in the vertical direction and the cross section of the sliding holes in the vertical direction are consistent.

As the preferred scheme of the utility model: the anti-misoperation structure comprises a support rod and a clamping seat, wherein the clamping seat is fixed on the outer wall of the mounting plate, the tail end of the support rod is installed on the inner side of a button cap of the spring button through rotation of a support, and the front end of the support rod is provided with a bending part used for being buckled in the clamping seat.

As a further preferred embodiment of the present invention: and a reinforcing plate is also arranged between the fixing plate and the mounting plate.

As a further preferred embodiment of the present invention: the bottom of the wire inlet end of the contact conductive device is also provided with a rain shielding cover, the cross section of the rain shielding cover in the vertical direction is U-shaped, and the rain shielding cover is fixedly connected with the support insulator through bolts.

As a further preferred embodiment of the present invention: and an operating ring is also arranged on the fuse tube.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model can realize the quick installation of the fuse through the common coordination of the spring button, the slide hole, the lug, the first elastic element and the second elastic element; the reinforcing rods and the reinforcing plates are arranged to further fix and mount, so that the mounting stability is guaranteed.

2. The utility model discloses a setting is prevented mistake and is pressed the structure, effectively prevents to miss and touch spring button and cause the unstable condition of installation to appear, has improved the security of device.

3. The utility model discloses simple structure installs reliably, and the setting of rain cover has effectually reduced the corruption of rainwater and has prolonged high-voltage fuse's life-span.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a top cross-sectional view of the mounting plate of the present invention;

fig. 3 is a top view of the connecting rod of the present invention;

fig. 4 is a schematic structural diagram of the false press prevention structure of the present invention;

FIG. 5 is a schematic view of the rain cover of FIG. 1;

wherein: 1-fixing plate, 2-mounting plate, 3-reinforcing plate, 4-reinforcing rod, 5-connecting rod, 6-supporting insulator, 7-incoming line end, 8-outgoing line end, 9-rain cover, 10-pressure spring, 11-upper contact, 12-operating ring, 13-lantern ring joint, 14-lower support, 15-spring button, 16-lug, 17-second elastic piece, 18-, 19-square groove, 20-slide hole, 21-fuse tube, 22-first elastic piece, 23-bracket, 24-supporting rod and 25-clamping seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, in an embodiment of the present invention, the high voltage fuse includes a supporting device and a fuse body, the fuse body includes a contact conductive device and a fuse tube 21, the contact conductive device includes a wire inlet end 7, an upper contact 11 connected to the wire inlet end 7, a pressure spring 10 connected to the fuse tube 21, a lower support 14, a ferrule connector 13 fixedly connected to the lower support 14, and a wire outlet end 8 fixedly connected to the lower support 14, and the supporting insulator 6 is fixedly connected to the fuse tube 21 through the contact conductive device; the supporting device comprises a fixing mechanism and a supporting insulator 6, the fixing mechanism comprises a mounting bracket and a reinforcing rod 4, the mounting bracket comprises a fixing plate 1 and a mounting plate 2 connected with the fixing plate 1 through a bolt, one end of the reinforcing rod 4 is fixedly connected with the mounting plate 2 through a screw, and the other end of the reinforcing rod is sleeved on the supporting insulator 6 and is reinforced by a nut, so that the supporting insulator 6 and the fuse tube 21 are prevented from moving left and right, the fixing is more reliable, and the normal use of a fuse is ensured; the tail end of the bottom of the mounting plate 2 is connected with a connecting rod 5 supporting the insulator 6 through a set of spring clamping device, the tail end of the bottom of the mounting plate 2 is provided with a square groove 19, sliding holes 20 are symmetrically formed in two sides of the inner wall of the square groove 19, a spring button 15 is inserted into each sliding hole 20, each spring button 15 is in sliding connection with each sliding hole 20, the section of each spring button 15 in the vertical direction is in a T shape, a first elastic piece 22 is sleeved on each spring button 15, one end of each first elastic piece 22 is fixedly connected with the outer surface of the mounting plate 2, the other end of each first elastic piece 22 is fixedly connected with the corresponding spring button 15, and an anti-misoperation structure is arranged above each first elastic piece 22; grooves 18 are symmetrically formed in two sides of one end, connected with the mounting plate 2, of the connecting rod 5, a protruding block 16 is connected inside each groove 18 in a sliding mode through a second elastic piece 17, and the size of the section of the protruding block 16 in the vertical direction, the size of the section of the groove 18 in the vertical direction and the size of the section of the sliding hole 20 in the vertical direction are consistent.

Further, the anti-mistaken-pressing structure comprises a supporting rod 24 and a clamping seat 25, the clamping seat 25 is fixed on the outer wall of the mounting plate 2, the tail end of the supporting rod 24 is rotatably mounted on the inner side of a button cap of the spring button 15 through a support 23, and the front end of the supporting rod 24 is provided with a bending part used for being buckled in the clamping seat 25.

Furthermore, a reinforcing plate 3 is arranged between the fixing plate 1 and the mounting plate 2, so that the bearing capacity of the mounting bracket is ensured.

Furthermore, the bottom of the wire inlet end 7 of the contact conducting device is also provided with a rain cover 9, the cross section of the rain cover 9 in the vertical direction is U-shaped, and the rain cover 9 is fixedly connected with the support insulator 6 through bolts, so that the contact conducting device has good rainproof performance.

Further, an operation ring 12 is further disposed on the fuse tube 21 to realize circuit disconnection or switching operation.

When the device is used for installation, the connecting rod 5 is inserted into the square groove 19, and when the lug 16 reaches the position of the sliding hole 20, the lug 16 can be popped out to enter the sliding hole 20 due to the elasticity of the second elastic piece 17, so that quick installation can be realized; the reinforcing rod 4 and the mounting plate 2 are fixedly connected by screws, so that fixed mounting can be realized; after the installation is finished, the unstable installation caused by mistaken touch of the spring button 15 can be prevented through the supporting action of the support rod 24 buckled in the clamping seat 25; meanwhile, the arrangement of the reinforcing plate 3 further ensures the stability of installation.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The high-voltage fuse comprises a fuse body and a supporting device; the fuse body comprises a contact conductive device and a fuse tube (21), the contact conductive device comprises a wire inlet end (7), an upper contact head (11) connected with the wire inlet end (7), a pressure spring (10) connected with the fuse tube (21), a lower support (14), a lantern ring joint (13) fixedly connected with the lower support (14) and a wire outlet end (8) fixedly connected with the lower support (14), and the support insulator (6) is fixedly connected with the fuse tube (21) through the contact conductive device; the supporting device is characterized by comprising a fixing mechanism and a supporting insulator (6), wherein the fixing mechanism comprises a mounting bracket and a reinforcing rod (4), the mounting bracket comprises a fixing plate (1) and a mounting plate (2) connected with the fixing plate (1) through a bolt, one end of the reinforcing rod (4) is fixedly connected with the mounting plate (2) through a screw, and the other end of the reinforcing rod is sleeved on the supporting insulator (6) and is reinforced by a nut; the bottom end of the mounting plate (2) is connected with a connecting rod (5) for supporting an insulator (6) through a set of spring clamping device, a square groove (19) is formed in the bottom end of the mounting plate (2), sliding holes (20) are symmetrically formed in two sides of the inner wall of the square groove (19), a spring button (15) is inserted in each sliding hole (20), the spring button (15) is in sliding connection with the sliding holes (20), the cross section of the spring button (15) in the vertical direction is T-shaped, a first elastic piece (22) is sleeved on the spring button (15), one end of the first elastic piece (22) is fixedly connected with the outer surface of the mounting plate (2), the other end of the first elastic piece (22) is fixedly connected with the spring button (15), and an anti-misoperation structure is arranged above the first elastic piece (22); the connecting rod (5) is provided with grooves (18) symmetrically on two sides of one end connected with the mounting plate (2), the grooves (18) are connected with the bumps (16) in a sliding mode through second elastic pieces (17), and the sizes of the cross section of the bumps (16) in the vertical direction, the cross section of the grooves (18) in the vertical direction and the cross section of the sliding holes (20) in the vertical direction are the same.

2. The high-voltage fuse protector as claimed in claim 1, wherein the anti-mis-pressing structure comprises a stay bar (24) and a clamping seat (25), the clamping seat (25) is fixed on the outer wall of the mounting plate (2), the tail end of the stay bar (24) is rotatably mounted inside the button cap of the spring button (15) through a bracket (23), and the front end of the stay bar (24) has a bending part for being buckled in the clamping seat (25).

3. A high-voltage fuse as claimed in claim 1, characterised in that a reinforcement plate (3) is also arranged between the fixing plate (1) and the mounting plate (2).

4. A high-voltage fuse according to claim 1, characterized in that a rain cover (9) is further provided at the bottom of the incoming line end (7) of said contact conducting means, said rain cover (9) having a "U" shaped cross-section in the vertical direction, and said rain cover (9) is fixedly connected to said supporting insulator (6) by means of bolts.

5. A high-voltage fuse according to claim 1, characterized in that the fuse tube (21) is further provided with an operating ring (12).