Power-off protection assembly of low-voltage distribution box

Abstract

The utility model relates to the technical field of electrical equipment, in particular to a low-voltage distribution box power-off protection assembly which comprises a distribution box, ventilation openings are formed in the two sides of the distribution box, protection pieces are arranged in the two ventilation openings, a first guide rail is fixed to the vertical inner wall of the distribution box, a second guide rail is sleeved on the first guide rail, and a sliding seat is sleeved on the second guide rail. Two adjusting bolts are arranged on one side of the first guide rail, screw holes matched with the adjusting bolts are formed in the second guide rail and the sliding seat, a plurality of inserting grooves matched with the adjusting bolts are formed in the side wall of the first guide rail and the side wall of the second guide rail, a circuit breaker is arranged on the side, away from the first guide rail, of the sliding seat, and a pressing frame is rotationally connected to the sliding seat. A stop block and four positioning blocks are integrally formed on the sliding seat, an inserting block is arranged in the pressing frame, an inserting groove matched with the inserting block is formed in the bottom end of the stop block, a connecting rod is fixed to the bottom end of the inserting block, the bottom end of the connecting rod penetrates through the pressing frame, and the connecting rod is sleeved with a spring; the device is convenient to adjust, overhaul or replace.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical equipment technical field, concretely relates to a low voltage distribution box power-off protection assembly. BACKGROUND

[0002] The distribution box is electrical equipment, and the inside of the distribution box is generally provided with a power-off protection assembly. When the distribution box is electrified, the power supply of the distribution box is cut off to prevent the distribution box from electrifying and causing a fire. A patent with the name of "distribution box power-off protection device" and the authorization announcement number of CN220421206U includes a distribution box, the inner wall of the distribution box is fixedly connected with a power-off device, the power-off device is fixedly connected with a fixed block on one side, the inner wall bottom end of the distribution box is fixedly connected with a mounting plate, the surface of the mounting plate is movably connected with a storage box, the inside of the storage box is placed with a drying agent, and the inside of the distribution box is movably connected with a driving motor. The distribution box power-off protection device can absorb the moisture in the distribution box through the drying agent, ventilate the inside of the distribution box through the driving motor, the shaft and the fan blade, prevent the distribution box from being electrified, and prevent the distribution box from being electrified. The moisture in the distribution box is too much or the temperature is too high, thereby affecting the operation of the power-off device. When the distribution box is electrified, the power-off device cannot cut off the power supply of the distribution box in time, the filter mechanism and the filter hole can prevent dust from entering the inside of the distribution box and damaging the electrical elements in the power-off device. However, when the distribution box power-off protection device is actually used, the power-off device is fixed on the inner wall of the distribution box, so that it is inconvenient to adjust the position of the power-off device according to the wire and other needs, and it is inconvenient to dismount, overhaul or replace the power-off device. SUMMARY

[0003] In view of the problems in the prior art, the utility model provides a low voltage distribution box power-off protection assembly.

[0004] The utility model discloses a kind of low-voltage distribution box power-off protection components, including distribution box, the side of distribution box is connected with box door by hinge, the side of distribution box away from box door is equipped with multiple threading holes, the both sides of distribution box are equipped with vent, protection piece is equipped in two vents, two protection pieces are equipped with two radiating fans between, two radiating fans are all fixed in distribution box, the vertical inner wall of distribution box is fixed with first guide rail, second guide rail is sleeved on the first guide rail, slide is sleeved on the second guide rail, the side of first guide rail is equipped with two adjusting bolts, the second guide rail and slide are all equipped with the screw hole of adjusting bolt adaptation, the side wall of first guide rail and second guide rail is equipped with multiple with the insertion slot of adjusting bolt adaptation, the side of slide away from first guide rail is equipped with power-off device, rotationally connected with pressure frame on the slide, slide is integrally formed with stopper and four positioning blocks on, insert block is equipped in the pressure frame, the bottom end of stopper is equipped with with the insertion slot of insert block adaptation, the bottom end of insert block is fixed with connecting rod, the bottom end of connecting rod penetrates pressure frame, spring is sleeved on connecting rod.

[0005] By adopting the above technical scheme, the slide can support the power-off device, the positioning block and the pressure frame can prevent the power-off device from shaking, the adjusting bolts on the slide are loosened, the slide is vertically slid, the end of the adjusting bolt is screwed into the insertion slot of the side wall of the second guide rail, the height of the power-off device can be adjusted as needed, the adjusting bolts on the second guide rail are loosened, the second guide rail is slid, the end of the adjusting bolt is screwed into the insertion slot of the side wall of the first guide rail, the position of the second guide rail and the power-off device in the horizontal direction can be adjusted, the connecting rod is pulled, the connecting rod drives the insert block to move down, the end of the insert block is detached from the insertion slot at the bottom end of the stopper, the pressure frame is rotated to release the blockage of the power-off device, the power-off device is conveniently removed for maintenance or replacement.

[0006] Specifically, the bottom end of the connecting rod is fixed with a pull ring.

[0007] By adopting the above technical scheme, the pull ring is provided, which is beneficial to pulling the connecting rod.

[0008] Specifically, the two sides of the second guide rail are equipped with box body and support plate, the two support plates are fixed in the distribution box, the top end of the two support plates is equipped with recess adapted to the box body, and the two box bodies are equipped with drying agent.

[0009] By adopting the above technical scheme, the drying agent is provided, which can absorb the moisture inside the distribution box, and the recess at the top end of the support plate is provided to facilitate the taking and placing of the box body.

[0010] Specifically, the protection piece includes a sleeve, a sleeve and a dust screen, the sleeve is connected with the distribution box, the sleeve is equipped with a dust screen, the inner wall of the sleeve is equipped with internal threads, and the outer wall of the sleeve is equipped with external threads adapted to the internal threads of the inner wall of the sleeve.

[0011] By adopting the technical scheme, the dust screen is arranged to block the external dust, the rotating sleeve can be dismounted, and the dust screen can be conveniently taken out for cleaning or replacement.

[0012] Specifically, the outer wall of the sleeve is integrally formed with two anti-skid protrusions.

[0013] By adopting the technical scheme, the anti-skid protrusions are arranged to facilitate holding and rotating the sleeve.

[0014] The utility model discloses the beneficial effect of:

[0015] (1) the low voltage distribution box of the utility model discloses a power-off protection assembly, the slide can support the power-off device, the positioning block and the pressing frame can prevent the power-off device from shaking, the adjusting screw bolt on the slide is loosened, the slide is vertically slid, the end of the adjusting screw bolt is screwed into the slot in the side wall of the second guide rail, the height of the power-off device can be adjusted according to the need, the adjusting screw bolt on the second guide rail is loosened, the second guide rail is slid, the end of the adjusting screw bolt is screwed into the slot in the side wall of the first guide rail, the position of the second guide rail and the power-off device in the horizontal direction can be adjusted, the connecting rod is pulled, the connecting rod drives the insert block to move down, the end of the insert block is separated from the slot in the bottom end of the stopper, the pressing frame is rotated to remove the block of the power-off device, the power-off device can be conveniently dismounted for maintenance or replacement.

[0016] (2) the low voltage distribution box of the utility model discloses a power-off protection assembly, the dust screen is arranged to block the external dust, the rotating sleeve can be dismounted, and the dust screen can be conveniently taken out for cleaning or replacement. DRAWINGS

[0017] The utility model is further illustrated below in connection with the drawings and examples.

[0018] Figure 1 It is the structural schematic diagram of the utility model;

[0019] Figure 2 It is the sectional view of the utility model;

[0020] Figure 3 It is the structural schematic diagram of the first guide rail, the second guide rail and the slide of the utility model;

[0021] Figure 4 It is the Figure 2 It is the enlarged view of the structure in A of the utility model;

[0022] Figure 5 It is the Figure 2 It is the enlarged view of the structure in B of the utility model.

[0023] In the figure: 1, distribution box; 2, box door; 3, protection piece; 30, clamping sleeve; 31, sleeve; 32, dust screen; 33, anti-skid convex; 4, first guide rail; 5, second guide rail; 6, sliding seat; 7, power-off device; 8, box body; 9, support plate; 10, cooling fan; 11, adjusting bolt; 12, positioning block; 13, pressing frame; 14, stop block; 15, plug-in block; 16, connecting rod; 17, spring; 18, pull ring. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0025] In order to facilitate the adjustment, disassembly and replacement of the power-off device 7, as an embodiment of the utility model, as shown in the figure, Figures 1 to 4 A low-voltage distribution box power-off protection assembly according to the utility model comprises a distribution box 1, the distribution box 1 is provided with a box door 2 on one side through a hinge, the side of the distribution box 1 away from the box door 2 is provided with a plurality of threading holes, both sides of the distribution box 1 are provided with ventilation openings, the two ventilation openings are both provided with protection pieces 3, two cooling fans 10 are arranged between the two protection pieces 3, the two cooling fans 10 are both fixed in the distribution box 1 through bolts, a first guide rail 4 is welded and fixed to the vertical inner wall of the distribution box 1, a second guide rail 5 is sleeved on the first guide rail 4, a sliding seat 6 is sleeved on the second guide rail 5, two adjusting bolts 11 are arranged on one side of the first guide rail 4, screw holes adapted to the adjusting bolts 11 are arranged on the second guide rail 5 and the sliding seat 6, the side walls of the first guide rail 4 and the second guide rail 5 are both provided with a plurality of plug-in slots adapted to the adjusting bolts 11, a power-off device 7 is arranged on the side of the sliding seat 6 away from the first guide rail 4, a pressing frame 13 is rotatably connected to the sliding seat 6, a stop block 14 and four positioning blocks 12 are integrally formed on the sliding seat 6, a plug-in block 15 is arranged in the pressing frame 13, the bottom end of the stop block 14 is provided with a plug-in slot adapted to the plug-in block 15, the bottom end of the plug-in block 15 is welded and fixed with a connecting rod 16, the bottom end of the connecting rod 16 penetrates through the pressing frame 13, and a spring 17 is sleeved on the connecting rod 16.

[0026] In use, the sliding seat 6 can support the circuit breaker 7, the positioning block 12 and the pressing frame 13 can prevent the circuit breaker 7 from shaking, the adjusting bolt 11 on the sliding seat 6 is loosened, the sliding seat 6 is vertically slid, the end of the adjusting bolt 11 is screwed into the slot in the side wall of the second guide rail 5, the height of the circuit breaker 7 can be adjusted as needed, the adjusting bolt 11 on the second guide rail 5 is loosened, the second guide rail 5 is slid, the end of the adjusting bolt 11 is screwed into the slot in the side wall of the first guide rail 4, the position of the second guide rail 5 and the circuit breaker 7 in the horizontal direction can be adjusted, the connecting rod 16 is pulled, the connecting rod 16 drives the insertion block 15 to move downward, the end of the insertion block 15 is detached from the slot at the bottom end of the stop block 14, the pressing frame 13 is turned to release the blocking of the circuit breaker 7, and the circuit breaker 7 is conveniently dismounted for maintenance or replacement.

[0027] In order to facilitate pulling the connecting rod 16, as shown in Figure 4 the bottom end of the connecting rod 16 is welded and fixed with a pull ring 18.

[0028] In order to facilitate dehumidification, as shown in Figure 1 both sides of the second guide rail 5 are provided with a box body 8 and a supporting plate 9, both of the supporting plates 9 are welded and fixed in the distribution box 1, the top end of each of the supporting plates 9 is provided with a groove matched with the box body 8, and each of the box bodies 8 is provided with a drying agent.

[0029] In order to block the dust outside the distribution box 1 and facilitate the dismounting, cleaning or replacement of the dust screen 32, as shown in Figure 5 the protective member 3 comprises a clamping sleeve 30, a sleeve 31 and a dust screen 32, the clamping sleeve 30 is welded and connected with the distribution box 1, the dust screen 32 is arranged in the clamping sleeve 30, the inner wall of the clamping sleeve 30 is provided with an internal thread, the outer wall of the sleeve 31 is provided with an external thread matched with the internal thread of the inner wall of the clamping sleeve 30, and the clamping sleeve 30 and the sleeve 31 can press the dust screen 32.

[0030] In use, the dust screen 32 can block the dust outside the distribution box 1, and the sleeve 31 can be dismounted by rotating it with hands, so that the dust screen 32 can be taken out for cleaning or replacement.

[0031] In order to facilitate holding and rotating the sleeve 31, as shown in Figure 5 the outer wall of the sleeve 31 is integrally formed with two anti-slip protrusions 33.

[0032] The utility model discloses when using, slide 6 can support the breaker 7, and positioning block 12 and pressure frame 13 can prevent the breaker 7 from shaking, and loosens the adjusting bolt 11 on slide 6, and slide 6 vertically, and the end of adjusting bolt 11 is screwed into the slot of the side wall of second guide rail 5, can adjust the height of breaker 7 according to need, loosens the adjusting bolt 11 on second guide rail 5, and slide second guide rail 5, and the end of adjusting bolt 11 is screwed into the slot of the side wall of first guide rail 4, can adjust the position of second guide rail 5 and breaker 7 in horizontal direction, and the breaker 7 is prior art, and the specific principle will not be repeated here.

[0033] The setting of the heat dissipation fan 10 is favorable for the heat dissipation of the distribution box 1, the setting of the desiccant in the box body 8 can absorb the moisture in the distribution box 1, the setting of the dust screen 32 can block the dust outside the distribution box 1, the sleeve 31 can be removed by rotating the sleeve 31 with hands, and the dust screen 32 can be conveniently taken out for cleaning or replacement.

[0034] If the breaker 7 needs to be removed for maintenance or replacement, the pull ring 18 is pulled, the connecting rod 16 drives the plug block 15 to move downwards, the end of the plug block 15 is separated from the slot in the bottom end of the stop block 14, and the breaker 7 is blocked by rotating the pressure frame 13, so that the breaker 7 can be conveniently removed for maintenance or replacement.

[0035] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by the person skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only used to illustrate the principle of the utility model, and the utility model can have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents, and the contents not described in detail in the utility model all belong to the prior art known by the person skilled in the art.

Claims

1. A power failure protection component for a low-voltage distribution box, characterized in that, The distribution box (1) includes a door (2) connected to one side of the distribution box (1) by a hinge. Multiple wiring holes are provided on the side of the distribution box (1) away from the door (2). Ventilation openings are provided on both sides of the distribution box (1), and protective components (3) are provided inside each of the two ventilation openings. Two cooling fans (10) are provided between the two protective components (3), and both cooling fans (10) are fixed inside the distribution box (1). A first guide rail (4) is fixed to the vertical inner wall of the distribution box (1). A second guide rail (5) is fitted on the first guide rail (4), and a slide (6) is fitted on the second guide rail (5). Two adjusting bolts (11) are provided on one side of the first guide rail (4). The second guide rail (5) and the slide... (6) is provided with screw holes that are compatible with the adjusting bolt (11). The side walls of the first guide rail (4) and the second guide rail (5) are provided with multiple slots that are compatible with the adjusting bolt (11). The slide (6) is provided with a circuit breaker (7) on the side away from the first guide rail (4). The slide (6) is rotatably connected with a pressure frame (13). The slide (6) is integrally formed with a stop block (14) and four positioning blocks (12). The pressure frame (13) is provided with an insert block (15). The bottom end of the stop block (14) is provided with a slot that is compatible with the insert block (15). The bottom end of the insert block (15) is fixed with a connecting rod (16). The bottom end of the connecting rod (16) passes through the pressure frame (13). A spring (17) is sleeved on the connecting rod (16).

2. The low-voltage distribution box power failure protection component according to claim 1, characterized in that, A pull ring (18) is fixed to the bottom end of the connecting rod (16).

3. The low-voltage distribution box power failure protection component according to claim 1, characterized in that, The second guide rail (5) has a box (8) and a support plate (9) on both sides. Both support plates (9) are fixed in the distribution box (1). The top of both support plates (9) is provided with a groove that matches the box (8). Both boxes (8) are provided with a desiccant.

4. The low-voltage distribution box power failure protection component according to claim 1, characterized in that, The protective component (3) includes a sleeve (30), a sleeve (31) and a dustproof net (32). The sleeve (30) is connected to the distribution box (1). The sleeve (30) is provided with a dustproof net (32). The inner wall of the sleeve (30) is provided with an internal thread. The outer wall of the sleeve (31) is provided with an external thread that matches the internal thread of the inner wall of the sleeve (30).

5. A low-voltage distribution box power failure protection component according to claim 4, characterized in that, The outer wall of the sleeve (31) is integrally formed with two anti-slip protrusions (33).

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