CN210052709U

CN210052709U - Prevent wind drop out fuse

Info

Publication number: CN210052709U
Application number: CN201921122247.5U
Authority: CN
Inventors: 曹卫东; 孙仁礼; 许广林
Original assignee: YIZHENG AITE ELECTRICAL Co Ltd
Current assignee: YIZHENG AITE ELECTRICAL Co Ltd
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2020-02-11
Anticipated expiration: 2029-07-17

Abstract

The utility model discloses a windproof drop-out fuse, which comprises a support rod, an electric wire, a cross rod, a fuse tube and a mounting plate, wherein the outer wall of the support rod is welded with a fixed plate, one side of the support rod, which is far away from the fixed plate, is fixedly connected with a parachute box, a parachute is arranged in the parachute box, one side of the fixed plate, which is far away from the outer wall of the support rod, is welded with a wiring bolt, one side of the fixed plate is welded with a rainproof cover, the outer wall of the rainproof cover is fixedly connected with a cushion block, the outer wall of the support rod is sleeved with an insulator, the outer wall of the support rod is welded with the cross rod, the top surface of the cross rod is welded with the cushion block, the utility model has reasonable structure, and can avoid the swinging of the fuse tube, the clamping piece, meanwhile, when the fuse falls from high altitude due to other conditions, the fuse can safely reach the ground through the parachute.

Description

Prevent wind drop out fuse

Technical Field

The utility model relates to an electrical apparatus protection field especially relates to a prevent wind drop out fuse.

Background

A fuse (fuse) is an electric device that fuses a fuse body by heat generated by itself when a current exceeds a predetermined value, thereby breaking an electric circuit. The fuse melts the melt by the heat generated by the fuse after the current exceeds a specified value for a period of time, so as to cut off the circuit; a current protector is made by applying the principle. The fuse is widely applied to high and low voltage distribution systems, control systems and electric equipment, and is one of the most commonly applied protection devices as a short circuit and overcurrent protector. The metal conductor is used as a melt to be connected in series in a circuit, and when overload or short-circuit current passes through the melt, the melt is fused due to self heating, so that the circuit is broken. The fuse has simple structure and convenient use, and can be widely used as a protective device in electric power systems, various electrical equipment and household appliances.

But ordinary fuse can directly drop when the fuse wire fuses, causes the damage of fuse, needs the fuse of general large-scale transmission equipment all to install considerable height simultaneously, and in the high altitude, the wind-force that the fuse received is great relatively, and its stability can not be guaranteed in ordinary installation, and when the accident appeared, the fuse directly falls from the high altitude because wind-force is great simultaneously, probably can bring unnecessary harm for subaerial people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent wind drop out fuse, through setting up the parachute, the mounting panel, the fuse tube, press from both sides tight clamping piece, foretell ordinary fuse is solved to the device of italic support frame when the fuse fuses, can directly drop, cause the damage of fuse, the fuse that needs in the general large-scale transmission equipment of while all installs is fairly high, in the high altitude, the wind-force that the fuse received is great relatively, its stability can not be guaranteed in ordinary installation, when the accident appears simultaneously, the fuse is because wind-force is great, directly fall from the high altitude, probably can bring the problem of unnecessary harm for subaerial people.

According to the utility model, the utility model aims to provide a windproof drop-out fuse, which comprises a support rod, an electric wire, a cross rod, a fuse tube and a mounting plate, wherein the outer wall of the support rod is welded with a fixed plate, one side of the support rod, which is far away from the fixed plate, is fixedly connected with a parachute box, a parachute is arranged in the parachute box, one side of the fixed plate, which is far away from the outer wall of the support rod, is welded with a wiring bolt, one side of the fixed plate is welded with a rainproof cover, the outer wall of the rainproof cover is fixedly connected with a cushion block, the outer wall of the support rod is sleeved with an insulator, the outer wall of the support rod is welded with the cross rod, the top surface of the cross rod is welded with a cushion block, the outer wall of the cross rod is welded with an inclined support frame, one end of the fuse tube is connected with the rain-proof box in a sleeved mode, the outer wall of one side of the rain-proof box is bonded with the rain-proof sleeve, one end of the electric wire is electrically connected with the wiring bolt, the other end of the electric wire is electrically connected with the contact end, one end of the rain-proof sleeve is in threaded connection with the fuse tube, the contact end is welded at one end of the fuse tube, a heat insulation plate is arranged in the fuse tube, and a fuse wire is arranged in the fuse tube.

Furthermore, the fixed plate is two, and every fixed plate has two binding bolts, welds respectively at the both ends of bracing piece, and is not in one side with the parachute box.

Further, rain-proof cover is two, and binding bolt and electric wire all set up the inside at rain-proof cover.

Furthermore, the number of the cross rods is two, the number of the cushion blocks is two, and the insulator is located between the two cross rods.

Furthermore, the inclined support frames are two, bolt mounting holes are formed in two connecting positions of the inclined support frames, and four threaded mounting holes are formed in the mounting plate.

Furthermore, the clamping pieces are four in number, two in one group and connected through fastening bolts in a threaded mode.

Furthermore, the connecting part of the rain-proof box and the rain-proof sleeve is connected with a sleeve in an inserting mode, and electric wires are arranged inside the sleeve, the rain-proof box and the rain-proof sleeve.

Furthermore, the contact ends of the rain-proof box are two and are symmetrically distributed.

Compared with the prior art, the utility model beneficial effect who has is:

1. through having installed the fuse tube, press from both sides tight clamping piece for can be direct install the fuse in the middle of the fuse tube, because press from both sides tight clamping piece and horizontal pole be direct fixed connection, have the italic support frame to support again between the horizontal pole, can avoid in the high altitude great wind-force to bring and obtain the swing, prevent that the fuse from falling.

2. Through having installed parachute box and supporting parachute, when other circumstances appear and lead to the fuse to fall from the high altitude, can be through the safe arrival ground of parachute to prevent to bring harm for the people on ground.

3. Through having installed rain-proof cover and rain-proof case, can play the effect of taking shelter from rain.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic overall front view structure diagram of a wind-proof drop-out fuse according to the present invention;

fig. 2 is a schematic view of an internal structure of a fuse tube of the wind-proof drop-out fuse provided by the present invention;

fig. 3 is a schematic three-dimensional structure diagram of a parachute of the wind-proof drop-out fuse provided by the utility model;

fig. 4 is a partially enlarged schematic view of a contact end of the wind-proof drop-out fuse according to the present invention;

wherein: 1-fixing plate, 2-wiring bolt, 3-wire, 4-rain-proof sleeve, 5-sleeve, 6-rain-proof box, 7-contact end, 8-fuse tube, 9-fastening bolt, 10-italic support frame, 11-bolt mounting hole, 12-mounting plate, 13-clamping clip, 14-parachute, 15-parachute box, 16-support rod, 17-insulator, 18-fuse wire, 19-heat insulation plate, 20-cushion block and 21-cross bar.

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.

Referring to fig. 1-4, a windproof drop-out fuse comprises a support rod 16, an electric wire 3, a cross rod 21, a fuse tube 8 and a mounting plate 12, wherein a fixing plate 1 is welded on the outer wall of the support rod 16, a parachute box 15 is fixedly connected to one side of the support rod 16 far away from the fixing plate 1, a parachute 14 can be fixedly mounted, the parachute box 15 is internally provided with the parachute 14, when the fuse falls from high altitude under other conditions, the fuse can safely reach the ground through the parachute, a wiring bolt 2 is welded on one side of the fixing plate 1 far away from the outer wall of the support rod 16, one side of the fixing plate 1 is welded with a rainproof sleeve 4, the outer wall of the rainproof sleeve 4 is fixedly connected with a cushion block 20, an insulator 17 is sleeved on the outer wall of the support rod 16, the cross rod 21 is welded on the outer wall of the support rod 16, the cushion, the outer wall of horizontal pole 21 and the welding of italic support frame 10, italic support frame 10 passes through fastening bolt 9 threaded connection with mounting panel 12, the one end welding that bracing piece 16 was kept away from to horizontal pole 21 has clamping jaw 13, clamping jaw 13 interpolation has connect fuse tube 8, after fusing fuse 18, fuse tube 8's position can not change, fuse tube 8's one end cup joints with rain-proof case 6, rain-proof case 6's one side outer wall bonds with rain-proof cover 4, the one end and the 2 electricity of binding bolt of electric wire 3 are connected, the other end and the 7 electricity of contact jaw of electric wire 3 are connected, rain-proof cover 4's one end and fuse tube 8 threaded connection, can dismantle, fuse tube 8's one end welding has contact jaw 7, be equipped with heat insulating board 19 in the fuse tube 8, be equipped with fuse 18.

The number of the fixing plates 1 is two, and each fixing plate 1 is provided with two wiring bolts 2 which are respectively welded at two ends of the support rod 16 and are not arranged at one side of the parachute box 15, so that a closed loop can be formed.

Rain-proof cover 4 is two, and terminal bolt 2 and electric wire 3 all set up in the inside of rain-proof cover 4, can play rainproof effect.

The number of the cross bars 21 is two, the number of the cushion blocks 20 is two, and the insulator 17 is located between the two cross bars 21, and the insulator 17 can play a role in insulation.

The inclined support frame 10 is two, and bolt mounting hole 11 has been seted up to two hookup location of inclined support frame 10, and four screw thread mounting holes 11 have been seted up altogether to mounting panel 12, is equipped with inclined support frame 10, can strengthen the holistic intensity of fuse.

The clamping piece 13 is provided with four pieces, wherein the two pieces are in a group and are connected through the fastening bolt 9 in a threaded manner, so that the fuse tube 8 can be clamped.

The connecting portion of rain-proof case 6 and rain-proof cover 4 is pegged graft has sleeve pipe 5, and sleeve pipe 5, the inside of rain-proof case 6 and rain-proof cover 4 are equipped with electric wire 3, can protect electric wire 3, avoid drenching with the rain.

The rain-proof box 6 has two contact ends 7 which are symmetrically distributed, so that rain can be sheltered more completely.

During the use, through having installed fuse tube 8, when fusing fuse 18, holistic structure can not change, can not cause directly to fall, then through loosening splint clamping piece 13, fuse tube 8 that takes out that can be direct changes, simultaneously owing to set up heat insulating board 19, avoid appearing the high temperature when the fusing, burn out fuse tube 8, through having installed rain-proof cover 4 and rain-proof case 6, can keep away from rain, avoid appearing the emergence of the circumstances such as short circuit, the italic support frame 10 has been set up between horizontal pole 21, can strengthen holistic intensity, set up the parachute on bracing piece 16, harm appears when can preventing to fall in the high altitude.

The details of the present invention are well known to those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevent wind drop out fuse, includes bracing piece (16), electric wire (3), horizontal pole (21), fuse tube (8) and mounting panel (12), its characterized in that: the outer wall welding of bracing piece (16) has fixed plate (1), a side fixedly connected with parachute box (15) of fixed plate (1) is kept away from in bracing piece (16), be equipped with parachute (14) in parachute box (15), a side welding that bracing piece (16) outer wall was kept away from in fixed plate (1) has wiring bolt (2), a side and rain-proof cover (4) welding of fixed plate (1), the outer wall and cushion (20) fixed connection of rain-proof cover (4), the outer wall of bracing piece (16) has cup jointed insulator (17), the welding has horizontal pole (21) on the outer wall of bracing piece (16), the top surface welding of horizontal pole (21) has cushion (20), the outer wall and the italic support frame (10) welding of horizontal pole (21), italic support frame (10) passes through fastening bolt (9) threaded connection with mounting panel (12), the welding of the one end of bracing piece (16) is kept away from in horizontal pole (21) has clamping piece (13), it has fuse tube (8) to peg graft in clamping piece (13), the one end and the rain-proof case (6) of fuse tube (8) cup joint, one side outer wall and the rain-proof cover (4) of rain-proof case (6) bond, the one end and the terminal bolt (2) electricity of electric wire (3) are connected, the other end and the contact jaw (7) electricity of electric wire (3) are connected, the one end and the fuse tube (8) threaded connection of rain-proof cover (4), the one end welding of fuse tube (8) has contact jaw (7), be equipped with heat insulating board (19) in fuse tube (8), be equipped with fuse (18) in fuse tube (8).

2. A wind-resistant drop out fuse as defined in claim 1, wherein: the fixed plates (1) are two, each fixed plate (1) is provided with two wiring bolts (2) which are respectively welded at two ends of the supporting rod (16) and are not positioned at one side of the parachute box (15).

3. A wind-resistant drop out fuse as defined in claim 1, wherein: rain-proof cover (4) are two, and wiring bolt (2) and electric wire (3) all set up the inside at rain-proof cover (4).

4. A wind-resistant drop out fuse as defined in claim 1, wherein: the number of the cross rods (21) is two, the number of the cushion blocks (20) is two, and the insulator (17) is located between the two cross rods (21).

5. A wind-resistant drop out fuse as defined in claim 1, wherein: the inclined support frame is characterized in that the number of the inclined support frames (10) is two, bolt mounting holes (11) are formed in two connecting positions of the inclined support frames (10), and the mounting plates (12) are provided with four bolt mounting holes (11) in total.

6. A wind-resistant drop out fuse as defined in claim 1, wherein: the clamping pieces (13) are four pieces, two pieces are in a group, and are connected through the fastening bolts (9) in a threaded manner.

7. A wind-resistant drop out fuse as defined in claim 1, wherein: the connecting part of the rain-proof box (6) and the rain-proof sleeve (4) is connected with the sleeve (5) in an inserting mode, the sleeve (5), and the electric wire (3) is arranged inside the rain-proof box (6) and the rain-proof sleeve (4).

8. A wind-resistant drop out fuse as defined in claim 1, wherein: the rain-proof box (6) and the contact ends (7) are two and are symmetrically distributed.