CN216489585U

CN216489585U - Waterproof junction box for power distribution cabinet

Info

Publication number: CN216489585U
Application number: CN202122235867.3U
Authority: CN
Inventors: 郑笃霖
Original assignee: Guangdong Dongli Electric Technology Co ltd
Current assignee: Guangdong Dongli Electric Technology Co ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-05-10
Anticipated expiration: 2031-09-15

Abstract

The utility model discloses a waterproof junction box for a power distribution cabinet, which comprises a waterproof box body, wherein the top of the waterproof box body is hinged with a box cover, the middle parts of two sides of the waterproof box body and the middle parts of two sides of the waterproof box body are fixedly communicated with a wire inlet shell, the top of the box cover is provided with an opening, the top of the opening is clamped with a fixing box, two sides of the top of the inner wall of the fixing box are fixedly connected with a fixing frame, the middle parts of the fixing frame are fixedly provided with radiating fans, two sides of the front surface of the waterproof box body and two sides of the back surface of the waterproof box body are respectively provided with an inner embedded groove, a radiating fin is fixedly arranged inside the inner embedded groove, the middle part of the front surface of the wire inlet shell is bonded with a sealing film, and the middle part of the inner wall of the wire inlet shell is fixedly connected with a rubber mat. And the waterproof and dustproof performance of the junction box is further improved.

Description

Waterproof junction box for power distribution cabinet

Technical Field

The utility model relates to the field of power distribution cabinet parts, in particular to a waterproof junction box for a power distribution cabinet.

Background

The distribution cabinet is divided into a power distribution cabinet, a lighting distribution cabinet and a metering cabinet, and is the final-stage equipment of a distribution system. The power distribution cabinet is a general name of a motor control center. The power distribution cabinet is used in the occasions with dispersed loads and less loops; motor control centers are used in load concentration and loop-rich applications, where they distribute the power from a circuit of a higher level of distribution equipment to nearby loads, which provide protection, monitoring and control of the loads. The junction box is usually needed to be used in the wiring process of the power distribution cabinet, the junction box is adopted as a transition purpose at the joint part of the electric wire (for example, the line is longer, or the electric wire pipe needs a corner), the electric wire pipe is connected with the junction box, and the electric wires in the electric wire pipe are connected in the junction box to play roles of protecting the electric wire and connecting the electric wire.

The terminal box that current switch board was used is usually made for the plastics integral type, and when the inside circuit of terminal box was more, the radiating effect of terminal box was poor, and inside temperature is higher, has the harm to the electric wire, and current terminal box inlet wire department sealing performance is general simultaneously, and waterproof dustproof effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a waterproof junction box for a power distribution cabinet, and aims to solve the problems that the existing junction box for the power distribution cabinet is generally made of plastic in an integrated mode in the background technology, when circuits in the junction box are more, the heat dissipation effect of the junction box is poor, the temperature in the junction box is higher, electric wires are damaged, and meanwhile, the sealing performance of the inlet wire position of the existing junction box is general and the waterproof and dustproof effects are poor.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a waterproof terminal box that switch board was used, includes waterproof box body, the top of waterproof box body articulates there is the lid, the middle part of waterproof box body both sides and the middle part of waterproof box body both sides side all fixed intercommunication have the inlet wire shell, the opening has been seted up at the top of lid, the top joint of opening has fixed box, the equal fixedly connected with mount in both sides at fixed box inner wall top, the equal fixed mounting in middle part of mount has the heat dissipation fan, the interior caulking groove has all been seted up to the positive both sides of waterproof box body and the both sides at the waterproof box body back, the inside fixed mounting of interior caulking groove has radiating fin, the positive middle part of inlet wire shell bonds there is the seal membrane, the middle part fixedly connected with cushion of inlet wire shell inner wall, the entrance hole has been seted up at the middle part of cushion, the equal fixedly connected with dust absorption pad in both sides of cushion.

As a preferred technical scheme of the present invention, a starting switch is fixedly installed at one corner of the top of the fixing box, and the heat dissipation fan is electrically connected to an external power supply through the starting switch.

As a preferred technical scheme of the utility model, the middle part of the inner wall of the through opening is fixedly connected with a dust screen.

As a preferred technical scheme of the utility model, the bottoms of two sides of the waterproof box body are fixedly connected with fixing pieces, and the middle parts of the fixing pieces are provided with fixing screw holes.

As a preferable technical solution of the present invention, the heat dissipation fins extend to the inside of the waterproof case through the inner wall of the waterproof case.

As a preferred technical scheme of the utility model, the dust absorption pad is made of silica gel, and the bottom end of the box cover is fixedly connected with the sealing gasket.

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

the waterproof box body, the box cover, the fixing box, the inner embedded groove and the radiating fins are arranged, the box cover is provided with the through hole and is clamped with the fixing box, the radiating fan is arranged in the fixing box, the radiating fan is started to carry out air cooling and heat radiation on the interior of the waterproof box body, and the radiating fins play a role in absorbing heat and conducting heat, so that the radiating effect of the junction box is integrally improved, and the phenomenon that heat cannot be discharged when circuits are multiple is avoided; add inlet wire shell, seal membrane, cushion and dust absorption pad, directly pass the seal membrane with the electric wire during the use to the seal membrane cover is established and is formed the one deck sealedly in the circuit outside, and the interference fit effect further plays sealed effect when the threading of inside cushion, has wholly improved the leakproofness of wiring, and then has improved the waterproof and dustproof performance of terminal box.

Drawings

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

FIG. 2 is an internal structural view of the fixing case of the present invention;

FIG. 3 is an internal structural view of the port of the present invention;

fig. 4 is an internal structure view of the inlet case of the present invention.

In the figure: 1. a waterproof box body; 2. a box cover; 3. a port; 4. a fixing box; 5. an embedded groove is formed; 6. a heat dissipating fin; 7. sealing gaskets; 8. a wire inlet shell; 9. a fixing sheet; 10. fixing screw holes; 11. a sealing film; 12. a fixed mount; 13. a heat dissipation fan; 14. a rubber pad; 15. a wire inlet hole; 16. a dust absorption pad; 17. a dust screen; 18. the switch is activated.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the utility model provides a waterproof junction box for a power distribution cabinet, which comprises a waterproof box body 1, wherein a box cover 2 is hinged on the top of the waterproof box body 1, the middle parts of two sides of the waterproof box body 1 and the middle parts of two sides of the waterproof box body 1 are fixedly communicated with a wire inlet shell 8, the top of the box cover 2 is provided with a through hole 3, the top of the through hole 3 is clamped with a fixed box 4, two sides of the top of the inner wall of the fixed box 4 are fixedly connected with fixed frames 12, the middle parts of the fixed frames 12 are fixedly provided with heat dissipation fans 13, two sides of the front surface of the waterproof box body 1 and two sides of the back surface of the waterproof box body 1 are respectively provided with inner embedded grooves 5, the inner embedded grooves 5 are internally and fixedly provided with heat dissipation fins 6, the box cover 2 is provided with the through holes 3 and clamped with the fixed boxes 4, the fixed boxes 4 can be installed or detached as required, the heat dissipation fans 13 are installed inside the fixed boxes 4, and the heat dissipation fans 13 can be started to cool and dissipate heat inside the waterproof box body 1, the radiating fin 6 of waterproof box body 1 front and back mounted plays the effect of heat absorption heat conduction, the radiating effect of terminal box has wholly been improved, the positive middle part of inlet wire shell 8 bonds there is seal membrane 11, the middle part fixedly connected with cushion 14 of inlet wire shell 8 inner wall, entrance hole 15 has been seted up at the middle part of cushion 14, the equal fixedly connected with dust absorption pad 16 in both sides of cushion 14, directly pass the seal membrane 11 of inlet wire shell 8 port with the electric wire when using the installation, thereby seal membrane 11 can overlap and establish the one deck sealed that forms in the circuit outside, the inside cushion 14 of inlet wire shell 8 is when the threading interference fit effect further parcel circuit plays sealed effect, dust absorption pad 16 can adsorb some dusts, the leakproofness of whole wiring is better, the waterproof and the dustproof performance of terminal box has been improved.

Preferably, a starting switch 18 is fixedly installed at one corner of the top of the fixing box 4, the heat dissipation fan 13 is electrically connected with the external power supply through the starting switch 18, and the heat dissipation fan 13 is used for blowing air to the inside of the waterproof box body 1 to cool the inside of the junction box.

Preferably, the middle part fixedly connected with dust screen 17 of port 3 inner wall, dust screen 17 reduces the inside that the dust got into waterproof box 1.

Preferably, the bottom of the two sides of the waterproof box body 1 is fixedly connected with a fixing sheet 9, a fixing screw hole 10 is formed in the middle of the fixing sheet 9, and the fixing sheet 9 and the fixing screw hole 10 are used for installing a junction box.

Preferably, the heat dissipation fins 6 penetrate through the inner wall of the waterproof box body 1 and extend to the inside of the waterproof box body 1, and the heat dissipation fins 6 are used for conducting heat inside the waterproof box body 1.

Preferably, the dust absorption pad 16 is made of silica gel, the bottom end of the box cover 2 is fixedly connected with the sealing gasket 7, and the sealing gasket 7 is used for improving the sealing performance of the connection between the box cover 2 and the waterproof box body 1 and reducing dust entering.

When the waterproof junction box is used, the box cover 2 is provided with the through hole 3 and is clamped with the fixing box 4 in a clamping manner, the fixing box 4 can be installed or removed according to needs, the heat dissipation fan 13 is installed inside the fixing box 4, the heat dissipation fan 13 is started to cool the inside of the waterproof box body 1, the heat dissipation fins 6 installed on the front surface and the back surface of the waterproof box body 1 play a role in absorbing heat and conducting heat, the heat dissipation effect of the junction box is integrally improved, the phenomenon that heat cannot be discharged when a plurality of circuits inside the junction box are arranged is avoided, when the waterproof junction box is used and installed, an electric wire directly penetrates through the sealing film 11 at the port of the wire inlet shell 8, so that the sealing film 11 can be sleeved outside the circuits to form a layer of sealing, the rubber pad 14 inside the wire inlet shell 8 plays a role in interference fit to further wrap the circuits to play a role in sealing, the dust absorption pad 16 can absorb some dust, and the dust entering the inside of the wire inlet is reduced, the leakproofness of whole wiring is better, and then has improved the waterproof and dustproof performance of terminal box.

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 various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a waterproof terminal box that switch board was used, includes waterproof box body (1), its characterized in that: the top of the waterproof box body (1) is hinged with a box cover (2), the middle parts of the two sides of the waterproof box body (1) and the middle parts of the two sides of the waterproof box body (1) are fixedly communicated with a wire inlet shell (8), the top of the box cover (2) is provided with a through hole (3), the top of the through hole (3) is connected with a fixed box (4), the two sides of the top of the inner wall of the fixed box (4) are fixedly connected with a fixed frame (12), the middle part of the fixed frame (12) is fixedly provided with a heat dissipation fan (13), the two positive sides of the waterproof box body (1) and the two sides of the back of the waterproof box body (1) are provided with inner caulking grooves (5), the inner parts of the inner caulking grooves (5) are fixedly provided with heat dissipation fins (6), the middle part of the front of the wire inlet shell (8) is bonded with a sealing film (11), and the middle part of the inner wall of the wire inlet shell (8) is fixedly connected with a rubber cushion (14), the middle part of the rubber mat (14) is provided with a wire inlet hole (15), and both sides of the rubber mat (14) are fixedly connected with dust absorption mats (16).

2. The waterproof junction box for the power distribution cabinet according to claim 1, wherein: a corner fixed mounting at the top of the fixed box (4) is provided with a starting switch (18), and the heat dissipation fan (13) is electrically connected with an external power supply through the starting switch (18).

3. The waterproof junction box for the power distribution cabinet according to claim 1, wherein: the middle part of the inner wall of the through opening (3) is fixedly connected with a dust screen (17).

4. The waterproof junction box for the power distribution cabinet according to claim 1, wherein: the waterproof box is characterized in that fixing pieces (9) are fixedly connected to the bottoms of the two sides of the waterproof box body (1), and fixing screw holes (10) are formed in the middle of the fixing pieces (9).

5. The waterproof junction box for the power distribution cabinet according to claim 1, wherein: the radiating fins (6) penetrate through the inner wall of the waterproof box body (1) and extend to the inside of the waterproof box body (1).

6. The waterproof junction box for the power distribution cabinet according to claim 1, wherein: the dust absorption pad (16) is made of silica gel, and a sealing gasket (7) is fixedly connected to the bottom end of the box cover (2).