CN210733848U - Charging device for preventing short circuit and fire - Google Patents

Abstract

The utility model discloses a prevent charging device that short circuit catches fire, including casing and charging device body, equal fixedly connected with bar shaped plate, two on the inner wall about the casing two horizontally mounting panels of fixedly connected with between the bar shaped plate, two this body coupling of charging device is between two mounting panels, the lower extreme of charging device body is connected with the horizontally backup pad, and is connected by buffer gear between backup pad and the casing diapire, the upper end fixedly connected with connecting rod of mounting panel, and the same cross arm of upper end fixedly connected with of two connecting rods, the fuse that the lower extreme fixedly connected with of cross arm and charging device body correspond, and electric connection between fuse and the charging device body. The utility model discloses can protect with electrical apparatus when the short circuit takes place for the circuit, reduce economic loss to can put out a fire the separation to the electric wire that catches fire and handle, further play the effect of protection.

Description

Charging device for preventing short circuit and fire

Technical Field

The utility model relates to a power supply unit technical field especially relates to a prevent charging device that short circuit catches fire.

Background

The conflagration that current most electric motor car short circuit triggered often because of its later stage that charges, the energy is sufficient, and the temperature sharply increases, dissolves the lead wire insulation rapidly, leads to the short circuit, and the detonation is triggered in the quick release of whole energy in the battery, even under someone's condition, also is difficult to the outage to put out a fire to lead to the conflagration to spread, cause great loss.

Because the storage battery is in a closed space for a long time, overheating is easy to generate in the charging process, especially for some old storage batteries, after overheating, the storage battery is easy to catch fire when reaching a certain temperature, property loss is low, life is seriously threatened, in addition, external vibration and impact are easy to damage internal circuits of the charging device, and the service life of the charging device is shortened, therefore, the charging device for preventing short circuit and fire is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a charging device for preventing short circuit from catching fire.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a charging device for preventing short circuit fire comprises a shell and charging device bodies, wherein the left inner wall and the right inner wall of the shell are fixedly connected with strip-shaped plates, two horizontal mounting plates are fixedly connected between the two strip-shaped plates, the two charging device bodies are connected between the two mounting plates, the lower end of the charging device body is connected with a horizontal supporting plate, the supporting plate is connected with the inner bottom wall of the shell through a buffer mechanism, the upper ends of the mounting plates are fixedly connected with connecting rods, the upper ends of the two connecting rods are fixedly connected with the same cross arm, the lower end of the cross arm is fixedly connected with a fuse corresponding to the charging device bodies, the fuse is electrically connected with the charging device bodies, a vertical insulating plate is fixedly connected to the side wall of the cross arm between the two fuses, and the lower end of the insulating plate extends between the two charging device, and a fireproof mechanism is arranged at the wiring end of the charging device body.

Preferably, the strip-shaped plate is fixedly connected with the inner wall of the shell through a plurality of bolts.

Preferably, the side wall of the mounting plate is provided with a mounting hole which is communicated with the front and the back, a supporting block which is abutted against the charging device body is connected in the mounting hole, and the supporting block is fixedly connected with the side wall of the mounting plate through a plurality of bolts.

Preferably, buffer gear is including connecting the fixed block at the backup pad lower extreme, and rotates on the lateral wall of fixed block and be connected with the bracing piece of two slopes, two bar grooves have been seted up on the casing diapire, bar inslot fixed connection has the horizontally slide bar, and the outside sliding connection of slide bar has the slider, the one end that the fixed block was kept away from to the bracing piece is rotated with the lateral wall of slider and is connected, two equal fixedly connected with spring on the lateral wall that the slider was carried on the back mutually, the one end and the bar inslot wall fixed connection of slider are kept away from to the spring, and the spring cup joints in the outside.

Preferably, the upper end of the supporting plate is fixedly connected with an insulating rubber pad corresponding to the charging device body, and the side wall of the supporting block is also fixedly connected with an insulating rubber pad corresponding to the charging device body.

Preferably, fire prevention mechanism is including fixed the bobbin of cup jointing in the charging device body wiring end outside, fixedly connected with dry powder circle on the inner wall of bobbin, and fixedly connected with fire stopping collar on the lateral wall of dry powder circle.

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

1. through be provided with horizontally cross arm in the casing to be connected with the fuse that corresponds with the charging device body on the lateral wall of cross arm, can protect with electrical apparatus when the short circuit takes place for the circuit, reduce economic loss, in addition, be provided with fire prevention mechanism through the wiring end at the charging device body, can put out a fire the separation to the electric wire that catches fire and handle, further play the effect of protection.

2. The lower end of the supporting plate is provided with the buffer mechanism connected with the bottom wall of the shell, so that the influence of external vibration on the charging device body can be reduced, the damage of a circuit is reduced, and the stability of the charging device body in use is guaranteed.

Drawings

Fig. 1 is a schematic view of an internal structure of a housing of a charging device for preventing short circuit and fire according to the present invention;

fig. 2 is a top view structural diagram of a mounting plate of a charging device for preventing short circuit and fire;

fig. 3 is a side structure view of a charging device body of the charging device for preventing short circuit and fire of the present invention;

fig. 4 is a side sectional view of the bobbin of the charging device for preventing short circuit from catching fire.

In the figure: the charging device comprises a shell 1, a charging device body 2, a strip-shaped plate 3, a mounting plate 4, a support plate 5, a connecting rod 6, a cross arm 7, a fuse 8, an insulating plate 9, a support block 10, a fixing block 11, a support rod 12, a slide rod 13, a slide block 14, a spring 15, a bobbin 16, a dry powder ring 17 and a fire stopping ring 18.

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.

Referring to fig. 1-4, a charging device for preventing short circuit fire comprises a shell 1 and a charging device body 2, wherein the left and right inner walls of the shell 1 are fixedly connected with strip-shaped plates 3, the strip-shaped plates 3 are fixedly connected with the inner wall of the shell 1 through a plurality of bolts, so that the strip-shaped plates 3 can be conveniently mounted and dismounted, thereby changing the position of the charging device body 2, two horizontal mounting plates 4 are fixedly connected between the two strip-shaped plates 3, the two charging device bodies 2 are connected between the two mounting plates 4, the side wall of the mounting plate 4 is provided with a front and back communicated mounting hole, and the mounting hole is internally connected with a supporting block 10 which is abutted against the charging device body 2, the supporting block 10 is fixedly connected with the side wall of the mounting plate 4 through a plurality of bolts, and the side wall of the supporting block 10 is fixedly connected with an insulating rubber pad which corresponds to the charging device body 2, so that the connection strength between the charging device body 2 and the mounting plate 4 is improved.

Wherein, the lower end of the charging device body 2 is connected with a horizontal support plate 5, the upper end of the support plate 5 is fixedly connected with an insulating rubber pad corresponding to the charging device body 2, the support plate 5 is connected with the inner bottom wall of the shell 1 through a buffer mechanism, the buffer mechanism comprises a fixed block 11 connected with the lower end of the support plate 5, the side wall of the fixed block 11 is rotatably connected with two inclined support rods 12, the inner bottom wall of the shell 1 is provided with two strip-shaped grooves, the horizontal sliding rod 13 is fixedly connected in the strip-shaped grooves, the outer side of the sliding rod 13 is slidably connected with a sliding block 14, one end of each support rod 12 far away from the fixed block 11 is rotatably connected with the side wall of the sliding block 14, springs 15 are fixedly connected on the side walls of the two sliding blocks 14 opposite to each other, one end of each spring 15 far away from the sliding, the influence of external vibrations to charging device body 2 causes can be reduced, the stability of charging device body 2 when using is guaranteed.

Wherein, the upper end of the mounting plate 4 is fixedly connected with the connecting rods 6, the upper ends of the two connecting rods 6 are fixedly connected with the same cross arm 7, the lower end of the cross arm 7 is fixedly connected with a fuse 8 corresponding to the charging device body 2, the fuse 8 is electrically connected with the charging device body 2, the fuse 8 is a product in the prior art and can protect the electric appliance when the circuit is short-circuited, the side wall of the cross arm 7 between the two fuses 8 is fixedly connected with a vertical insulating plate 9, the lower end of the insulating plate 9 extends to between the two charging device bodies 2, the wiring end of the charging device body 2 is provided with a fireproof mechanism, the fireproof mechanism comprises a bobbin 16 fixedly sleeved outside the wiring end of the charging device body 2, the inner wall of the bobbin 16 is fixedly connected with a dry powder ring 17, the outer side wall of the dry powder ring 17 is fixedly connected with a fire-stopping ring, when the electric wire burns to fire stopping collar 18, the rapid inflation of being heated of 18 inner core materials of fire stopping collar, extrusion dry powder circle 17, the dry powder in the dry powder circle 17 spreads to the electric wire position of starting a fire, puts out a fire, and barrel 16 can be sealed in the short time to fire stopping collar 18 simultaneously, prevents the intensity of a fire to spread, reduces the condition that charging device body 2 appears damaging.

In the utility model, the horizontal cross arm 7 is arranged in the shell 1, and the fuse corresponding to the charging device body 2 is connected on the side wall of the cross arm 7, so that the electric appliance can be protected when the short circuit occurs in the circuit, the economic loss is reduced, if a certain electric wire is on fire, when the electric wire is burnt to the fire stopping ring 18, the core material in the fire stopping ring 18 is heated to expand rapidly, the dry powder ring 17 is extruded, the dry powder in the dry powder ring 17 is spread to the electric wire on fire position for fire extinguishing, meanwhile, the fire stopping ring 18 can seal the bobbin 16 in a short time to prevent the fire from spreading, the fire extinguishing separation treatment can be performed on the electric wire on fire, the protection effect is further played, in addition, the buffer mechanism connected with the bottom wall of the shell 1 is arranged at the lower end of the supporting plate 5, the influence of the external vibration on the charging device body 2 can be reduced, and the damage of the circuit can be reduced, the stability of the charging device body 2 in use is ensured.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The charging device capable of preventing short circuit fire comprises a shell (1) and a charging device body (2), and is characterized in that a strip-shaped plate (3) is fixedly connected to the left inner wall and the right inner wall of the shell (1), two horizontal mounting plates (4) are fixedly connected between the strip-shaped plates (3), two charging device bodies (2) are connected between the two mounting plates (4), a horizontal supporting plate (5) is connected to the lower end of each charging device body (2), the supporting plate (5) is connected with the inner bottom wall of the shell (1) through a buffering mechanism, a connecting rod (6) is fixedly connected to the upper end of each mounting plate (4), the upper ends of the two connecting rods (6) are fixedly connected with the same cross arm (7), a fuse (8) corresponding to the charging device body (2) is fixedly connected to the lower end of the cross arm (7), and the fuse (8) is electrically connected with the charging device body (2), two fixedly connected with vertical insulation board (9) on cross arm (7) lateral wall between fuse (8), and the lower extreme of insulation board (9) extends to between two charging device bodies (2), the wiring end of charging device body (2) is provided with fire prevention mechanism.

2. The charging device for preventing short-circuit fire according to claim 1, wherein the strip-shaped plate (3) is fixedly connected with the inner wall of the shell (1) by a plurality of bolts.

3. The charging device for preventing short circuit fire according to claim 1, wherein the side wall of the mounting plate (4) is provided with a front-back communicated mounting hole, a supporting block (10) abutting against the charging device body (2) is connected in the mounting hole, and the supporting block (10) is fixedly connected with the side wall of the mounting plate (4) through a plurality of bolts.

4. The charging device for preventing short circuit fire according to claim 1, wherein the buffering mechanism comprises a fixing block (11) connected to the lower end of the supporting plate (5), two inclined supporting rods (12) are rotatably connected to the side wall of the fixing block (11), two strip-shaped grooves are formed in the inner bottom wall of the housing (1), a horizontal sliding rod (13) is fixedly connected to the strip-shaped grooves, a sliding block (14) is slidably connected to the outer side of the sliding rod (13), one end, away from the fixing block (11), of the supporting rod (12) is rotatably connected to the side wall of the sliding block (14), two springs (15) are fixedly connected to the side wall, opposite to the sliding block (14), of each spring (15) is fixedly connected to the inner wall of the strip-shaped groove, and each spring (15) is sleeved on the outer side of the sliding rod (13).

5. The charging device for preventing short circuit fire according to claim 3, wherein an insulating rubber pad corresponding to the charging device body (2) is fixedly connected to the upper end of the supporting plate (5), and an insulating rubber pad corresponding to the charging device body (2) is also fixedly connected to the side wall of the supporting block (10).

6. The charging device for preventing short-circuit fire as claimed in claim 1, wherein the fire-proof mechanism comprises a bobbin (16) fixedly sleeved outside the terminal of the charging device body (2), a dry powder ring (17) is fixedly connected to the inner wall of the bobbin (16), and a fire-retardant ring (18) is fixedly connected to the outer side wall of the dry powder ring (17).

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