CN214314392U

CN214314392U - Explosion-proof junction box

Info

Publication number: CN214314392U
Application number: CN202120395330.0U
Authority: CN
Inventors: 曹敬
Original assignee: Zhejiang Jingying Electric Appliance Co ltd
Current assignee: Zhejiang Jingying Electric Appliance Co ltd
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2021-09-28
Anticipated expiration: 2031-02-23

Abstract

The utility model discloses an explosion-proof junction box, including connecting plate, junction box body, conical gear group, check valve and sealing plug, the place hole has all been seted up to the place ahead left and right sides of connecting plate, and sets up flutedly in the centre of connecting plate to the inside block of recess has the limiting plate, the place ahead of limiting plate is fixed with the junction box body, and the equal bearing in the left and right sides of junction box body is connected with the pivot, conical gear group is installed in the left side of pivot, and conical gear group's rear is fixed with the spliced pole, install the wiring mouth around the junction box body, and the rear left and right sides of junction box body all is fixed with the fixed column, standing groove and spout have been seted up at the rear of spliced pole. This explosion-proof junction box installs gasbag, connecting pipe and rubber circle, fills the space before wiring mouth and the electric wire, avoids the moisture in the air to enter into the junction box body, avoids junction box body internal arrangement to have moisture, prevents the phenomenon of striking sparks.

Description

Explosion-proof junction box

Technical Field

The utility model relates to an explosion-proof junction box technical field specifically is an explosion-proof junction box.

Background

The explosion-proof junction box is a high-risk special power distribution device, has a certain explosion-proof function, is relatively safe compared with a common junction box, has a plurality of types, and can be selected according to different occasions, but has certain problems;

in an explosion-proof junction box in the market, a junction is directly communicated with the outside, and because a large amount of moisture is contained in the air, a large amount of moisture exists in the device inside the explosion-proof junction box, so that the phenomenon of ignition of the explosion-proof junction box is easily caused, the normal power consumption is influenced, and the service life of the explosion-proof junction box is shortened;

most of explosion-proof junction boxes in the market are fixed at other places through screws, and the screws are easy to rust after being exposed in the air for a long time and not easy to disassemble, so that a large amount of time is required for disassembling;

therefore, the explosion-proof junction box can well solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an explosion-proof junction box to solve the phenomenon and the inconvenient problem of dismantling that take place to strike sparks easily on the existing market that above-mentioned background art provided.

In order to achieve the above object, the utility model provides a following technical scheme: an explosion-proof junction box comprises a connecting plate, a junction box body, a conical gear set, a one-way valve and a sealing plug, wherein placing holes are formed in the left side and the right side of the front of the connecting plate, a groove is formed in the middle of the connecting plate, a limiting plate is clamped inside a sliding groove, the junction box body is fixed in front of the limiting plate, rotating shafts are connected to the left side and the right side of the junction box body in a bearing mode, the conical gear set is mounted on the left side of each rotating shaft, a connecting column is fixed behind the conical gear set, junction ports are mounted on the periphery of the junction box body, fixing columns are fixed on the left side and the right side of the rear of the junction box body, a placing groove and a sliding groove are formed in the rear of the connecting column, a push rod is arranged inside the placing groove, a convex block is mounted on the right side of the push rod, a convex block is placed inside the sliding groove, and an air bag is fixed inside the junction port, and the rear of the air bag is connected with a connecting pipe, the other end of the connecting pipe is fixed with a rubber ring, the outer side of the rubber ring is connected with a one-way valve, and a sealing plug is fixed at the rear of the rubber ring.

Preferably, the placing holes are symmetrically arranged in 2 groups about the central line of the connecting plate, and the diameter of the placing holes is larger than that of the push rods.

Preferably, the limiting plate is of a T-shaped structure, and the limiting plate and the connecting plate form a sliding structure.

Preferably, the sliding groove is of an S-shaped structure, the sliding groove is connected end to end, and the width of the sliding groove is larger than the diameter of the bump.

Preferably, the projection and the chute form a sliding structure, the projection and the push rod form an L-shaped structure, and the push rod and the connecting plate form a lifting structure.

Preferably, the air bag is communicated with the rubber ring through a connecting pipe and is of an annular structure.

Compared with the prior art, the beneficial effects of the utility model are that: the explosion-proof junction box;

(1) the air bag, the connecting pipe and the rubber ring are arranged, air enters the air bag through the connecting pipe by extruding the rubber ring, so that the air bag is expanded, a gap between the wiring port and the electric wire is filled, moisture in the air is prevented from entering the wiring box body, moisture in the device in the wiring box body is prevented, and the phenomenon of ignition is prevented;

(2) be provided with push rod, lug and spout, the spliced pole rotates and makes the lug slide in the spout is inside, and the lug slides and drives the push rod and remove to the rear, realizes the fixed of junction box body, need not fix through the screw, avoids the rusty phenomenon to appear in the screw, and convenient to detach changes, reduces the waste of time.

Drawings

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

FIG. 2 is a schematic view of the top-down structure of the present invention;

FIG. 3 is a schematic view of a top-down structure of the junction box body of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

FIG. 5 is a schematic view of a line connection port of the present invention;

fig. 6 is a schematic view of the sliding chute structure of the present invention.

In the figure: 1. a connecting plate; 2. placing holes; 3. a groove; 4. a junction box body; 5. a limiting plate; 6. a rotating shaft; 7. connecting columns; 8. a bevel gear set; 9. a wiring port; 10. a placement groove; 11. a chute; 12. fixing a column; 13. a push rod; 14. a bump; 15. an air bag; 16. a connecting pipe; 17. a rubber ring; 18. a one-way valve; 19. and (4) sealing the plug.

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. 1-6, the present invention provides a technical solution: an explosion-proof junction box comprises a connecting plate 1, placing holes 2, grooves 3, a junction box body 4, limiting plates 5, rotating shafts 6, connecting columns 7, a bevel gear set 8, a junction port 9, a placing groove 10, a sliding groove 11, fixing columns 12, a push rod 13, a bump 14, an air bag 15, a connecting pipe 16, a rubber ring 17, a one-way valve 18 and a sealing plug 19, wherein the placing holes 2 are respectively formed in the left side and the right side of the front of the connecting plate 1, the grooves 3 are formed in the middle of the connecting plate 1, the limiting plates 5 are clamped in the grooves 3, the junction box body 4 is fixed in front of the limiting plates 5, the rotating shafts 6 are respectively connected to the left side and the right side of the junction box body 4 in a bearing mode, the bevel gear set 8 is installed on the left side of each rotating shaft 6, the connecting columns 7 are fixed behind the bevel gear set 8, the junction ports 9 are installed around the junction box body 4, and the fixing columns 12 are respectively fixed on the left side and the right side of the rear of the junction box body 4, standing groove 10 and spout 11 have been seted up to spliced pole 7's rear, and the inside of standing groove 10 is provided with push rod 13, and lug 14 is installed on push rod 13's right side, lug 14 has been placed to spout 11's inside, the inside of wiring mouth 9 is fixed with gasbag 15, and the rear of gasbag 15 is connected with connecting pipe 16, and the other end of connecting pipe 16 is fixed with rubber circle 17, the outside of rubber circle 17 is connected with check valve 18, and the rear of rubber circle 17 is fixed with sealing plug 19.

The placing holes 2 are symmetrically provided with 2 groups about the central line of the connecting plate 1, and the diameter of the placing holes 2 is larger than that of the push rods 13, so that the push rods 13 are clamped at different positions, and the positions of the junction box body 4 are adjusted.

Limiting plate 5 is "T" structure, and limiting plate 5 constitutes sliding construction with connecting plate 1, and the removal of the 4 positions of junction box body of being convenient for avoids junction box body 4 to remove to the front side in step.

The sliding chute 11 is of an S-shaped structure, the sliding chute 11 is connected end to end, the width of the sliding chute 11 is larger than the diameter of the bump 14, and the connecting column 7 rotates to drive the push rod 13 to move back and forth.

Lug 14 and spout 11 constitute sliding construction, and lug 14 and push rod 13 constitute "L" type structure to push rod 13 and connecting plate 1 constitute elevation structure, realize the fixed to junction box body 4, need not fix through the screw, convenient dismantlement.

The air bag 15 is communicated with the rubber ring 17 through a connecting pipe 16, the air bag 15 is of an annular structure, and the air bag 15 is expanded to fill a gap between the wiring port 9 and a power line, so that moisture in the air is prevented from entering the interior of the wiring box body 4.

The working principle is as follows: when the explosion-proof junction box is used, firstly, with reference to fig. 1-4 and fig. 6, when the junction box body 4 is installed, the limiting plate 5 moves to the upper part of the connecting plate 1, so that the limiting plate 5 is aligned with the groove 3, the junction box body 4 is moved to a proper position by hand, because the limiting plate 5 is of a T-shaped structure, the junction box body 4 can not move to the front side, the rotating shaft 6 is rotated by hand, the rotating shaft 6 rotates to drive the conical gear set 8 to synchronously rotate, the conical gear set 8 rotates to drive the connecting post 7 to synchronously rotate, because of the limiting function of the fixed post 12, the sliding slot 11 is of an S-shaped structure, the connecting post 7 slides in the sliding slot 11 through the convex block 14 by rotating, so that the push rod 13 moves to the rear side until the push rod 13 is clamped in the placing hole 2, the rotating shaft 6 is not rotated any more, and the fixation of the junction box body 4 is realized, the wiring box body 4 is convenient to disassemble without being fixed by screws;

referring to fig. 5, after the devices inside the junction box body 4 are all installed, the rubber ring 17 is squeezed by hand, the check valve 18 allows air to be introduced into the rubber ring 17 only, air is squeezed to enter the air bag 15 through the connecting pipe 16, and the air bag 15 is inflated, the air bag 15 fills the gap between the junction box opening 9 and the power line, so that air is prevented from entering the junction box body 4, moisture in the air is prevented from entering the junction box body 4, the phenomenon of fire striking is avoided, and the service life of the junction box body 4 is prolonged.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an explosion-proof junction box, includes connecting plate (1), junction box body (4), conical gear group (8), check valve (18) and sealing plug (19), its characterized in that: placing holes (2) are formed in the left side and the right side of the front of the connecting plate (1), a groove (3) is formed in the middle of the connecting plate (1), a limiting plate (5) is clamped inside the groove (3), a junction box body (4) is fixed in front of the limiting plate (5), rotating shafts (6) are connected to the left side and the right side of the junction box body (4) in a bearing mode, a conical gear set (8) is installed on the left side of each rotating shaft (6), a connecting column (7) is fixed behind the conical gear set (8), junction ports (9) are installed around the junction box body (4), fixing columns (12) are fixed to the left side and the right side of the rear of the junction box body (4), a placing groove (10) and a sliding groove (11) are formed in the rear of the connecting column (7), a push rod (13) is arranged inside the placing groove (10), and a convex block (14) is installed on the right side of the push rod (13), lug (14) have been placed to the inside of spout (11), the inside of wiring mouth (9) is fixed with gasbag (15), and the rear of gasbag (15) is connected with connecting pipe (16) to the other end of connecting pipe (16) is fixed with rubber circle (17), the outside of rubber circle (17) is connected with check valve (18), and the rear of rubber circle (17) is fixed with sealing plug (19).

2. An explosion-proof junction box as defined in claim 1, wherein: the placing holes (2) are symmetrically provided with 2 groups about the central line of the connecting plate (1), and the diameter of each placing hole (2) is larger than that of each push rod (13).

3. An explosion-proof junction box as defined in claim 1, wherein: the limiting plate (5) is of a T-shaped structure, and the limiting plate (5) and the connecting plate (1) form a sliding structure.

4. An explosion-proof junction box as defined in claim 1, wherein: the sliding groove (11) is of an S-shaped structure, the sliding groove (11) is connected end to end, and the width of the sliding groove (11) is larger than the diameter of the bump (14).

5. An explosion-proof junction box as defined in claim 1, wherein: the convex block (14) and the sliding groove (11) form a sliding structure, the convex block (14) and the push rod (13) form an L-shaped structure, and the push rod (13) and the connecting plate (1) form a lifting structure.

6. An explosion-proof junction box as defined in claim 1, wherein: the air bag (15) is communicated with the rubber ring (17) through a connecting pipe (16), and the air bag (15) is of an annular structure.