CN211297389U

CN211297389U - Waterproof box

Info

Publication number: CN211297389U
Application number: CN201921533646.0U
Authority: CN
Inventors: 王强
Original assignee: Taian Zhilian Environmental Protection Technology Co ltd
Current assignee: Taian Zhilian Environmental Protection Technology Co ltd
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-08-18
Anticipated expiration: 2029-09-16

Abstract

The utility model discloses a waterproof box, including the protection casing, protection casing open-ended edge all fixed plate that is equipped with, the fixed plate on evenly be equipped with a plurality of through-hole one, the protection casing on the bolt fastening through passing through-hole one equipment, the inside preceding upper end department of protection casing be equipped with the box body, the opening edge department of box body all fixed plate two that is equipped with, the box body through the bolt fastening that passes fixed plate two on the protection casing is inside preceding, box body upper portion lateral surface be equipped with interior ventilation heat dissipation window, the protection casing lateral surface be equipped with the liquid discharge port, the protection casing lateral surface just be located and be equipped with outer ventilation heat dissipation window directly over the liquid discharge port, the protection casing below be equipped with the breach that the electric wire of being. The utility model has the advantages that: the heat dissipation structure has the advantages of simple structure, good heat dissipation effect, good waterproof effect, suitability for small equipment and the like.

Description

Waterproof box

Technical Field

The utility model relates to an electrical control protection technical field specifically indicates a waterproof box.

Background

The circuit board has the name: the printed circuit board comprises a ceramic circuit board, an alumina ceramic circuit board, an aluminum nitride ceramic circuit board, a PCB (printed circuit board), an aluminum substrate, a high-frequency board, a thick copper board, an impedance board, a PCB, an ultrathin circuit board, a printed copper etching technology circuit board and the like. The circuit board enables the circuit to be miniaturized and visualized, and plays an important role in batch production of fixed circuits and optimization of electric appliance layout. The circuit board may be referred to as a printed wiring board or a printed circuit board.

The existing electronic circuit board is generally waterproof when installed in equipment, and the following three measures are adopted:

1. the circuit board is processed in a three-proofing way, but the plug pin part needs an external circuit and cannot be completely waterproof.

2. The circuit board mounting box is of a totally closed structure, the structure influences the heat dissipation of a circuit, and the circuit board is quickly aged.

3. The relative positions of the liquid pipe and the circuit board mounting part are isolated, so that the liquid pipe is not suitable for small compact equipment.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve foretell various problems, provide a simple structure, the radiating effect is better, water-proof effects is better, be applicable to the waterproof box of small-size equipment.

In order to solve the technical problem, the utility model provides a technical scheme does: a waterproof box comprises a protective cover, wherein a fixed plate is fixedly arranged at the edge of an opening of the protective cover, a plurality of first through holes are uniformly formed in the fixed plate, the protective cover is fixed on equipment through bolts penetrating through the first through holes, a box body is arranged at the upper end of the front inside of the protective cover, a second fixed plate is fixedly arranged at the opening edge of the box body, the box body is fixed on the front inside of the protective cover through bolts penetrating through the second fixed plate, the total width of the upper part of the box body and the second fixed plate is equal to the inner diameter width of the protective cover, the total width of the lower part of the box body and the second fixed plate is smaller than the inner diameter width of the protective cover, one side edge and one side edge of the lower part of the upper part of the box body are positioned on the same vertical line, a slope is arranged between the other side edge of the, the protection casing lateral surface and box body lower part lower extreme corresponding position department be equipped with the liquid discharge port, the protection casing lateral surface just be located and be equipped with outer ventilation heat dissipation window directly over the liquid discharge port, the protection casing below be equipped with the breach that the electric wire of being convenient for passed.

As an improvement, waterproof rubber strips are arranged between the fixing plate and the equipment and between the fixing plate II and the front surface inside the protective cover.

As an improvement, the overall width of the lower part of the box body and the fixing plate is less than the width of the inner diameter of the protective cover.

As an improvement, the edges of the fixing plates are provided with outward flanges.

Compared with the prior art, the utility model the advantage lie in: the utility model is divided into an inner and an outer double-layer structures, and waterproof adhesive tapes are pasted between the inner and the outer double-layer structures to prevent liquid from entering the inner part; in addition, the inner and outer layer components are respectively provided with staggered inner and outer ventilation and heat dissipation windows, so that the ventilation and heat dissipation of parts in the protective cover can be still ensured while liquid is prevented from entering the protective cover, and the normal work of the parts is ensured; when heat is generated in the protective cover, the heat can flow along with air, take away internal air, pass through the internal ventilation and heat dissipation window and then be discharged through the external ventilation and heat dissipation window, so that the temperature control in a protective area is realized, and abnormal work of parts caused by high temperature is avoided; when liquid splashes on the protective cover, the liquid can flow down under the action of gravity; when equipment failure causes large-flow splashing, the liquid enters through the outer ventilation and heat dissipation window and is discharged by the liquid discharge port, and the liquid cannot enter the protective area in the protective cover, so that the liquid is prevented from entering the protective area.

Drawings

Fig. 1 is a front view structure diagram of the waterproof box of the present invention.

Fig. 2 is a rear view structure diagram of the waterproof box of the present invention.

Fig. 3 is a schematic view of a three-dimensional structure of a waterproof box of the present invention.

Fig. 4 is a schematic view of a three-dimensional structure of a waterproof box of the present invention.

Fig. 5 is a schematic view of a three-dimensional structure of a waterproof box of the present invention.

Fig. 6 is a schematic view of a three-dimensional structure of a protective cover of the waterproof box of the present invention.

As shown in the figure: 1. a protective cover; 2. a fixing plate; 3. a first through hole; 4. a box body; 5. a second fixing plate; 6. an internal ventilation heat dissipation window; 7. a liquid discharge port; 8. an external ventilation heat dissipation window; 9. and (4) a notch.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

With reference to the attached

drawings

1, 2, 3, 4, 5 and 6, the waterproof box comprises a protective cover 1, wherein a fixed plate 2 is fixedly arranged at the edge of an opening of the protective cover 1, a plurality of first through holes 3 are uniformly formed in the fixed plate 2, the protective cover 1 is fixed on equipment through bolts penetrating through the first through holes 3, a box body 4 is arranged at the front upper end inside the protective cover 1, a second fixed plate 5 is fixedly arranged at the edge of an opening of the box body 4, the box body 4 is fixed on the front inside the protective cover 1 through bolts penetrating through the second fixed plate 5, the total width of the upper part of the box body 4 and the second fixed plate 5 is equal to the inner diameter width of the protective cover 1, the total width of the lower part of the box body 4 and the second fixed plate 5 is smaller than the inner diameter width of the protective cover 1, and one side edge of the upper part and one side of, be the slope setting between another side in upper portion and the other side in lower part, 4 upper portion lateral surfaces of box body and be located and keep away from one end department of 4 lower parts of box body and be equipped with interior ventilation cooling window 6, 1 lateral surface of protection casing and 4 lower part lower extreme corresponding position departments of box body be equipped with

liquid discharge port

7, 1 lateral surface of protection casing just be located and be equipped with outer ventilation cooling window 8 directly over liquid discharge port 7, protection casing 1 below be equipped with the breach 9 that the electric wire of being convenient for passed.

Waterproof rubber strips are arranged between the fixing plate 2 and the equipment and between the fixing plate II 5 and the front surface inside the protective cover 1.

The total width of the lower part of the box body 4 and the fixing plate II 5 is less than 1/2 of the width of the inner diameter of the protective cover 1.

The edge of the fixed plate 2 is provided with outward flanges.

The utility model discloses a concrete implementation mode: when the utility model is used, namely when a small amount of liquid is splashed on the protective cover 1, the liquid can automatically slide down due to self gravity; when a large amount of liquid splash to protection casing 1 on, probably have liquid from outer ventilation cooling window 8 get into in the box body 4, liquid will be following current to the 4 lower parts of box body to discharge from liquid discharge port 7, can not get into the protected area in the protection casing 1, ventilation cooling window 6 wafts to the box body 4 in the heat accessible in the protected area, through outer ventilation cooling window 8 wafts out afterwards and carries out the circulation of air, because interior ventilation cooling window 6 and outer ventilation cooling window 8 dislocation set, can make the utility model discloses can be waterproof, also can dispel the heat.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. A waterproof box, its characterized in that: comprises a protective cover (1), the edge of an opening of the protective cover (1) is fixedly provided with a fixed plate (2), the fixed plate (2) is uniformly provided with a plurality of first through holes (3), the protective cover (1) is fixed on equipment through bolts penetrating through the first through holes (3), the front upper end inside the protective cover (1) is provided with a box body (4), the opening edge of the box body (4) is fixedly provided with a second fixed plate (5), the box body (4) is fixed on the front inside of the protective cover (1) through bolts penetrating through the second fixed plate (5), the total width of the upper part of the box body (4) and the second fixed plate (5) is equal to the inner diameter width of the protective cover (1), the total width of the lower part of the box body (4) and the second fixed plate (5) is smaller than the inner diameter width of the protective cover (1), one side edge of the upper part of the box body (4) and the lower, be the slope setting between another side in upper portion and the other side in lower part, box body (4) upper portion lateral surface and be located the one end department of keeping away from box body (4) lower part and be equipped with interior ventilation cooling window (6), protection casing (1) lateral surface and box body (4) lower part lower extreme corresponding position department be equipped with liquid discharge port (7), protection casing (1) lateral surface just be located liquid discharge port (7) and be equipped with outer ventilation cooling window (8) directly over, protection casing (1) below be equipped with breach (9) that the electric wire of being convenient for passed.

2. A waterproof case according to claim 1, wherein: waterproof rubber strips are arranged between the fixing plate (2) and the equipment and between the fixing plate II (5) and the front inside of the protective cover (1).

3. A waterproof case according to claim 1, wherein: the total width of the lower part of the box body (4) and the second fixing plate (5) is smaller than 1/2 of the inner diameter width of the protective cover (1).

4. A waterproof case according to claim 1, wherein: the edge of the fixed plate (2) is provided with outward flanges.