CN216413819U

CN216413819U - Mining explosion-proof junction box

Info

Publication number: CN216413819U
Application number: CN202121954407.XU
Authority: CN
Inventors: 潘春阳
Original assignee: Yancheng Lianwang Machinery Co ltd
Current assignee: Yancheng Lianwang Machinery Co ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-04-29
Anticipated expiration: 2031-08-19

Abstract

The utility model discloses a mining explosion-proof junction box, which comprises a junction box body, wherein a rubber pad is arranged at the top opening of the junction box body, a wiring cover is arranged at the top of the rubber pad, a plurality of threading holes are respectively formed in two sides of the junction box body, threading pipes are respectively arranged in the threading holes, retaining sleeves are respectively arranged on the inner sides of the threading holes, one ends of the retaining sleeves respectively penetrate through the threading holes and are in threaded connection with the threading pipes, threads are arranged on the outer sides of the threading pipes, a fixing end socket is in threaded connection with one end of each threading pipe, a fixing base is arranged at the bottom end of the interior of the junction box body, a junction box is arranged at the top of the fixing base, an air inlet is formed in one side of the junction box body, an air outlet is formed in one side of the junction box body far away from the air inlet, a fan box is arranged in the inner side of the air outlet, two groups of cooling fans are arranged in one side of the fan box, the utility model has simple and reasonable structure, novel design and simple and convenient operation, the safety of the explosion-proof junction box can be effectively improved, and the explosion-proof junction box has high practical value.

Description

Mining explosion-proof junction box

Technical Field

The utility model relates to the technical field of junction boxes, in particular to a mining explosion-proof junction box.

Background

The junction box is one of the electrical accessories which play a role in protecting and connecting electric wires in home decoration, the electric wires for decoration penetrate through the electric wire tube, the junction part of the electric wires (such as a longer line or a corner of the electric wire tube) generally adopts the junction box as transition, and the junction box usually consists of a box cover, a box body, a wiring terminal, a diode, a connecting wire and a connector, and is generally made of PVC and white iron box materials.

The current mining flame-proof junction box has poor internal heat dissipation effect, easily causes the internal temperature of the junction box to be too high, thereby having certain potential safety hazard, and when the current flame-proof junction box is used for a long time, a large amount of dust can appear in the internal part of the junction box, thereby easily causing the damage of an internal connector of the flame-proof junction box. Therefore, the mining explosion-proof junction box is improved, and the mining explosion-proof junction box is provided.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model relates to a mining explosion-proof junction box, which comprises a junction box body, wherein a rubber pad is arranged at an opening at the top of the junction box body, the top of the rubber pad is provided with a wiring cover, both sides of the wiring box body are provided with a plurality of threading holes, the interior of each threading hole is provided with a threading pipe, the inner sides of the threading holes are provided with retaining sleeves, one end of each retaining sleeve penetrates through the threading hole, and is connected with the threading pipe through threads, the outer side of the threading pipe is provided with threads, one end of the threading pipe is connected with a fixed seal head through threads, the bottom end of the interior of the junction box body is provided with a fixed base, the top of the fixed base is provided with a junction box, an air inlet is arranged on one side of the junction box body, an air outlet is arranged on one side of the junction box body far away from the air inlet, the inner side of the air outlet is provided with a fan box, and one side of the fan box is provided with two groups of radiating fans.

As a preferred technical scheme of the utility model, two groups of first mounting seats are arranged on two sides of the wiring cover, fixing bolts are arranged on the tops of the first mounting seats, a plurality of fixing columns for mounting the fixing bolts are arranged on two sides of the wiring box body, and the wiring cover is fixedly mounted on the top of the wiring box body through the fixing bolts.

As a preferred technical scheme, locking sleeves are arranged between the threading hole and the fixed seal head, the locking sleeves are in threaded connection with the threading pipe, and sealing rings are arranged between the locking sleeves and the threading hole.

As a preferred technical scheme of the utility model, two groups of fixing frames are arranged on the inner side of the air inlet, and the inner sides of the fixing frames are movably connected with a dust screen.

As a preferable technical scheme of the utility model, mounting grooves are formed in both ends of the inner side of the fixing frame, springs are arranged in the mounting grooves, and ejector pins are connected to the springs at positions close to the openings of the mounting grooves.

As a preferable technical solution of the present invention, the bottom of the wire cover is provided with a plurality of reinforcing bars, and the intervals between adjacent reinforcing bars are equal.

As a preferred technical scheme of the utility model, two groups of second mounting seats are arranged on two sides of the bottom of the junction box body, and mounting holes are formed in the second mounting seats.

The utility model has the beneficial effects that:

1. according to the mining explosion-proof junction box, the fixing of the junction box body and the junction cover is realized through the matching use of the fixing column, the first mounting seat and the fixing bolt, the connection strength of the junction box is improved while the mounting and the dismounting are convenient, the safety of the device is improved, and the air inlet and the air outlet are formed, so that the air flow is realized when the interior of the junction cover operates under the action of a cooling fan, the heat dissipation is effectively and quickly carried out on the interior of the junction cover, and the fire caused by overhigh temperature of the interior of the junction box is avoided;

2. the mining flame-proof junction box has the advantages that the dust screen is arranged, dust is effectively prevented from entering the inside of the junction box, the fixation of the dust screen is realized through the arrangement of the fixing frame, the mounting groove, the spring and the jacking pin, the installation and the disassembly of workers on the dust screen are facilitated, the convenience of the device is improved, the structural strength of the junction box is improved through the arrangement of the reinforcing strip, and the safety of the device is improved.

Drawings

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

FIG. 1 is a perspective view of a mining flameproof junction box of the present invention;

FIG. 2 is an exploded view of a mining flameproof junction box of the present invention;

FIG. 3 is a cross-sectional view of a mining flameproof junction box of the present invention;

FIG. 4 is an enlarged schematic view of the structure A in FIG. 2 of the mining flameproof junction box of the present invention;

FIG. 5 is an enlarged schematic view of the structure B in FIG. 3 of the mining flameproof junction box of the present invention.

In the figure: 1. a junction box body; 2. a rubber pad; 3. a wiring cover; 4. threading holes; 5. a seal ring; 6. a locking sleeve; 7. a threading tube; 8. fixing the end enclosure; 9. a retaining sleeve; 10. a fixed base; 11. a wire holder; 12. fixing a column; 13. a first mounting seat; 14. fixing the bolt; 15. An air inlet; 16. a dust screen; 17. a fixed mount; 18. mounting grooves; 19. a spring; 20. a knock pin; 21. an air outlet; 22. a fan case; 23. a heat radiation fan; 24. a second mounting seat; 25. A reinforcing strip.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in FIGS. 1-5, the mining flameproof junction box comprises a junction box body 1, a rubber pad 2 is arranged at the top opening of the junction box body 1, a wiring cover 3 is arranged at the top of the rubber pad 2, a plurality of threading holes 4 are formed in two sides of the junction box body 1, threading pipes 7 are arranged in the threading holes 4, retaining sleeves 9 are arranged on the inner sides of the threading holes 4, one ends of the retaining sleeves 9 penetrate through the threading holes 4 and are in threaded connection with the threading pipes 7, threads are arranged on the outer sides of the threading pipes 7, one ends of the threading pipes 7 are in threaded connection with a fixed seal head 8, a fixed base 10 is arranged at the bottom end inside the junction box body 1, a junction box 11 is arranged at the top of the fixed base 10, an air inlet 15 is formed in one side of the junction box body 1, and an air outlet 21 is formed in one side of the junction box body 1 far away from the air inlet 15, a fan box 22 is arranged on the inner side of the air outlet 21, and two groups of cooling fans 23 are arranged on one side of the fan box 22.

The two sides of the wiring cover 3 are provided with two sets of first mounting seats 13, the top of each first mounting seat 13 is provided with a fixing bolt 14, the two sides of the wiring box body 1 are provided with a plurality of fixing columns 12 for the fixing bolts 14 to be mounted, and the wiring cover 3 is fixedly mounted at the top of the wiring box body 1 through the fixing bolts 14.

Wherein, all be equipped with lock sleeve 6 between threading hole 4 and the fixed head 8, lock sleeve 6 and threading pipe 7 threaded connection, just all be equipped with sealing washer 5 between lock sleeve 6 and the threading hole 4.

Wherein, the inboard of air inlet 15 is equipped with two sets of mounts 17, the inboard swing joint of mount 17 has dust screen 16, through being provided with dust screen 16, has effectually prevented that the dust from entering into the inside of wiring lid 3.

Mounting groove 18 has all been seted up at the inboard both ends of mount 17, the inside of mounting groove 18 all is equipped with spring 19, spring 19 is being connected with knock pin 20 near 18 opening parts of mounting groove, has realized the fixed to dust screen 16, has made things convenient for the installation and the dismantlement of staff to dust screen 16, has increased the device's convenience.

Wherein, the bottom of wiring lid 3 is equipped with a plurality of reinforcement strips 25, and the interval between adjacent reinforcement strip 25 equals, through being provided with reinforcement strip 25, has improved wiring lid 3's structural strength, has increased the device's security.

Wherein, the bottom both sides of junction box body 1 are equipped with two sets of second mount pads 24, just the mounting hole has all been seted up on the second mount pad 24, through being provided with second mount pad 24, has made things convenient for the staff to install and fix junction box body 1.

The working principle is as follows: when the device is used, the integrity of the device is checked firstly, then the electric wire is installed and fixed through the threading pipe 7 and the wire holder 11, the fixing of the wiring box body 1 and the wiring cover 3 is realized through the matching use of the fixing column 12, the first installation seat 13 and the fixing bolt 14, the connection strength of the wiring box body and the wiring cover 3 is improved while the installation and the disassembly are convenient, the safety of the device is improved, the air inlet 15 and the air outlet 21 are formed, the inside of the wiring cover 3 is realized under the operation of the cooling fan 23, the air flow is realized, the heat dissipation is effectively and rapidly carried out on the inside of the wiring cover 3, the phenomenon that the temperature inside the wiring box is overhigh and a fire disaster occurs is avoided, the dust is effectively prevented from entering the inside of the wiring cover 3 through the dust screen 16, the fixing frame 17, the installation groove 18, the spring 19 and the top pin 20 are arranged, the fixing of the dust screen 16 is realized, the installation and the dismantlement of the dust screen 16 by the staff are facilitated, the convenience of the device is increased, the structural strength of the wiring cover 3 is improved by the arrangement of the reinforcing strips 25, and the safety of the device is improved.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A mining explosion-proof junction box comprises a junction box body (1) and is characterized in that a rubber pad (2) is arranged at the top opening of the junction box body (1), a wiring cover (3) is arranged at the top of the rubber pad (2), a plurality of threading holes (4) are formed in the two sides of the junction box body (1), threading pipes (7) are arranged in the threading holes (4), retaining sleeves (9) are arranged on the inner sides of the threading holes (4), one ends of the retaining sleeves (9) penetrate through the threading holes (4) and are in threaded connection with the threading pipes (7), threads are arranged on the outer sides of the threading pipes (7), a fixing seal head (8) is in threaded connection with one end of each threading pipe (7), a fixing base (10) is arranged at the bottom end of the interior of the junction box body (1), and a junction box (11) is arranged at the top of the fixing base (10), the air inlet (15) is arranged on one side of the junction box body (1), the air outlet (21) is arranged on one side, away from the air inlet (15), of the junction box body (1), the fan box (22) is arranged on the inner side of the air outlet (21), and two groups of cooling fans (23) are arranged on one side of the fan box (22).

2. The mining flameproof junction box according to claim 1, characterized in that two sets of first mounting seats (13) are arranged on both sides of the wiring cover (3), fixing bolts (14) are arranged on the tops of the first mounting seats (13), a plurality of fixing columns (12) for the fixing bolts (14) to be mounted are arranged on both sides of the junction box body (1), and the wiring cover (3) is fixedly mounted on the top of the junction box body (1) through the fixing bolts (14).

3. The mining flameproof junction box according to claim 1, wherein locking sleeves (6) are arranged between the threading hole (4) and the fixed end enclosure (8), the locking sleeves (6) are in threaded connection with the threading pipe (7), and a sealing ring (5) is arranged between each locking sleeve (6) and the threading hole (4).

4. The mining flameproof junction box according to claim 1, characterized in that two sets of fixing frames (17) are arranged on the inner side of the air inlet (15), and the inner side of the fixing frames (17) is movably connected with a dust screen (16).

5. The mining flameproof junction box according to claim 4, characterized in that mounting grooves (18) are formed in both ends of the inner side of the fixing frame (17), springs (19) are arranged inside the mounting grooves (18), and ejector pins (20) are connected to the springs (19) near openings of the mounting grooves (18).

6. The mining flameproof junction box according to claim 1, characterized in that the bottom of the wiring cover (3) is provided with a plurality of reinforcing strips (25), and the intervals between adjacent reinforcing strips (25) are equal.

7. The mining flameproof junction box according to claim 1, characterized in that two groups of second mounting seats (24) are arranged on two sides of the bottom of the junction box body (1), and mounting holes are formed in the second mounting seats (24).