CN215010830U

CN215010830U - Install convenient circuit board sealing waterproof construction

Info

Publication number: CN215010830U
Application number: CN202121260247.9U
Authority: CN
Inventors: 吕东; 王凤霞
Original assignee: Suzhou Baxian Electronics Co ltd
Current assignee: Suzhou Baxian Electronics Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-12-03
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses an install convenient circuit board sealing waterproof construction, including end box, the top of end box is provided with the STB, and the inner chamber of end box is provided with circuit board body, is provided with first sealing mechanism and second sealing mechanism between end box and the STB, and first sealing mechanism contains first seal groove, sealed glue, four spread grooves and four connection nails, and sealed glue is located the inner chamber of first seal groove, and second sealing mechanism contains sealing washer and second seal groove, and the inner chamber of end box and STB is provided with a plurality of positioning mechanism. The utility model discloses utilize first sealing mechanism and second sealing mechanism matched with mode of setting, make the bottom of STB can be complete with the top activity joint of end box, through the spread groove, the sealed inner chamber of pouring into first seal groove of being convenient for is sealed, through connecting the nail, improves the stability of the position connection of end box and STB, through the sealing washer, makes sealed waterproof performance higher, reduces sealed gluey use simultaneously.

Description

Install convenient circuit board sealing waterproof construction

Technical Field

The utility model relates to a circuit board field, in particular to install convenient circuit board sealing waterproof construction.

Background

The sealing performance of the circuit board is always the focus of attention in the electronic information manufacturing industry, because the circuit board is a framework for supporting components and a pipeline for communicating electric signals, and plays a role in supporting and interconnecting in electronic equipment, once the circuit board is not sealed in place, the circuit board can be damaged by moisture, salt mist, humidity and dust, and equipment failure and breakdown are caused nearby.

Some circuit boards that have now are direct mount in aqueous, and the sealed of between current circuit board and the seal box is direct to the drain pan pour into a large amount of glue usually and makes the circuit board seal up the inner chamber at the seal box, thereby build sealed environment, so as to avoid external moisture to get into the circuit board and then lead to the fact the influence to sensitive circuit and electronic components, however, such waterproof mode, the glue use amount is big, the use of some glue simultaneously, lead to the unable realization of the heat dissipation of some circuit boards easily, the circuit board fuses together with glue after damaging and leads to unable recycle that realizes.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a install convenient circuit board sealing waterproof construction to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a circuit board sealing waterproof structure convenient to install comprises a bottom box, a top box is arranged above the bottom box, a circuit board body is arranged in an inner cavity of the bottom box, and a first sealing mechanism and a second sealing mechanism are arranged between the bottom box and the top box;

first sealing mechanism contains first seal groove, sealed glue, four spread grooves and four connection nails, sealed glue is located the inner chamber of first seal groove, the inner chamber threaded connection of connection nail and spread groove, second sealing mechanism contains sealing washer and second seal groove, the sealing washer alternates with the inner chamber of second seal groove in a sliding way and is connected, the inner chamber of end box and STB is provided with a plurality of positioning mechanism.

Preferably, the outer wall of the bottom box is provided with an embedded groove, and the bottom end of the top box is provided with a limiting groove.

Preferably, the top box is connected with the embedded groove and the inner cavity of the first sealing groove in a sliding and penetrating mode.

Preferably, the bottom end of the sealing ring is fixedly connected with the top end of the bottom box, and the top of the inner wall of the top box is arranged on the second sealing groove.

Preferably, the positioning mechanism comprises a positioning plate and an extrusion block, and the outer wall of the positioning plate is fixedly connected with the middle part of the inner wall of the bottom box.

Preferably, the top end of the extrusion block is fixedly connected with the top end of the inner wall of the top box, and the circuit board body is arranged between the positioning plate and the extrusion block.

Preferably, the bottom end of the embedded groove, the top end of the bottom box and the top end of the positioning block are fixedly connected with rubber pads.

The utility model discloses a technological effect and advantage:

(1) the utility model discloses utilize first sealing mechanism and second sealing mechanism matched with setting mode, through the setups of first seal groove, spacing groove and embedded groove, make the bottom of top box can be complete with the top activity joint of end box, through the spread groove, be convenient for sealed glue to pour into the inner chamber of first seal groove into, improve the sealing performance of device, through connecting the nail, improve the stability of the position connection of end box and top box, through the sealing washer, make the waterproof performance of seal higher, reduce the use of sealed glue simultaneously;

(2) the utility model discloses utilize locating plate and extrusion piece matched with mode that sets up, through the cooperation of locating plate with the extrusion piece, when making end box and STB be connected, this physical stamina of circuit board is stable fixes between locating plate and extrusion piece, simultaneously through the rubber material of extrusion piece, prevents to damage the extrusion of circuit board body, makes the position of circuit board body more stable.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic diagram of the overall explosion structure of the present invention.

Fig. 3 is a schematic view of a part of an enlarged structure at a in fig. 2 according to the present invention.

Fig. 4 is a schematic front sectional view of the sealing ring of the present invention.

In the figure: 1. a bottom case; 2. a set-top box; 3. a circuit board body; 4. a groove is embedded; 5. a first sealing mechanism; 501. a first seal groove; 502. sealing glue; 503. connecting grooves; 504. a connecting nail; 6. a second sealing mechanism; 601. a seal ring; 602. a second seal groove; 7. a positioning mechanism; 701. positioning a plate; 702. and extruding the block.

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.

The utility model provides a circuit board sealing waterproof structure convenient to install as shown in figures 1-4, which comprises a bottom box 1, wherein a top box 2 is arranged above the bottom box 1, a circuit board body 3 is arranged in an inner cavity of the bottom box 1, the bottom box 1 and the top box 2 are rectangular box-shaped structures matched with the circuit board body 3, and a first sealing mechanism 5 and a second sealing mechanism 6 are arranged between the bottom box 1 and the top box 2, so that secondary sealing waterproof between the bottom box 1 and the top box 2 is facilitated, the safety of the circuit board body 3 is facilitated to be improved, and the sealing waterproof property is higher;

the first sealing mechanism 5 comprises a first sealing groove 501, a sealant 502, four connecting grooves 503 and four connecting nails 504, the first sealing groove 501 is an annular groove, the sealant 502 is made of RTV silicon rubber, so as to improve elasticity and thixotropy between the bottom box 1 and the top box 2, and simultaneously has neutral and non-corrosive properties, after the glue is cured, the water resistance of the device is improved, and the device is not easy to loose, the sealant 502 is positioned in the inner cavity of the first sealing groove 501, so as to facilitate sealing of the inner cavity of the first sealing groove 501, the connecting groove 503 is composed of two circular grooves, an inner thread is arranged on the inner wall of the connecting groove 503, an outer thread is arranged on the outer wall of the connecting nail 504, the four connecting grooves 503 are respectively arranged on the periphery of the top end of the top box 2, so as to rapidly inject the sealant 502 into the inner cavity of the first sealing groove 501, so as to reduce the use of the sealant 502, and the connecting nails 504 are in threaded connection with the inner cavities of the connecting grooves 503, the connection stability between the bottom box 1 and the top box 2 is improved conveniently, the second sealing mechanism 6 comprises a sealing ring 601 and a second sealing groove 602, the sealing ring 601 is made of annular rubber, the sealing ring 601 is connected with the inner cavity of the second sealing groove 602 in a sliding and penetrating manner, the sealing ring 601 is tightly attached to the inner wall of the second sealing groove 602, so that the sealing performance is better, and the inner cavities of the bottom box 1 and the top box 2 are provided with a plurality of positioning mechanisms 7, so that the circuit board body 3 can be positioned conveniently;

the outer wall of the bottom box 1 is provided with an embedded groove 4, the embedded groove 4 is an annular groove, the bottom end of the top box 2 is provided with a limiting groove, the top box 2 is in sliding and penetrating connection with the embedded groove 4 and the inner cavity of the first sealing groove 501, so that the top box 2 and the bottom box 1 can be completely fitted, the bottom end of the sealing ring 601 is fixedly connected with the top end of the bottom box 1, and the second sealing groove 602 is provided with the top part of the inner wall of the top box 2;

positioning mechanism 7 contains locating plate 701 and extrusion piece 702, locating plate 701 is the pp board, extrusion piece 702 is the elastic rubber material, the middle part fixed connection of locating plate 701's outer wall and end box 1 inner wall, the top of extrusion piece 702 and the top fixed connection of 2 inner walls of top box, circuit board body 3 sets up between locating plate 701 and extrusion piece 702, be convenient for through the extrusion piece 702 to the peripheral extrusion of circuit board body 3, make the stable location in position of circuit board body 3 in the inner chamber of end box 1 and top box 2, make the outer wall of circuit board body 3 not influenced by glue, be convenient for the later stage to the recycle of circuit board body 3, the bottom of embedded groove 4, the top of end box 1 and the equal fixedly connected with rubber pad in top of locating plate 701, be convenient for through the rubber pad, improve the leakproofness of

end box

1 and 2 junction of top box, make its waterproof performance higher.

The utility model discloses the theory of operation:

when the device is used, the bottom of the top box 2 is slidably inserted into the top of the bottom box 1 through the arrangement of the first sealing groove 501, the limiting groove and the embedding groove 4, so that the top box 2 can be completely and movably clamped with the top of the bottom box 1, the sealant 502 can be conveniently injected into the inner cavity of the first sealing groove 501 through the connecting groove 503, the sealant 502 can be fully filled in the inner cavity of the first sealing groove 501, before the sealant 502 is not cured, the connecting nail 504 can be rotatably inserted into and connected with the bottom end of the inner wall of the first sealing groove 501 through the threaded rotation of the connecting nail 504 and the inner cavity of the connecting groove 503, so that the stability of position connection of the bottom box 1 and the top box 2 is conveniently improved, the sealing performance of the device is conveniently improved through the curing of the sealant 502, the secondary sealing can be carried out between the bottom box 1 and the top box 2 through the sliding insertion of the sealing ring 601 and the inner cavity of the second sealing groove 602, and the sealing waterproof performance of the device is higher, the use of circuit board body 3 is safer, through the cooperation of locating plate 701 and extrusion piece 702, when making end box 1 and top box 2 connect, circuit board body 3 can be stable fix between locating plate 701 and extrusion piece 702, simultaneously through the rubber material of extrusion piece 702, prevents to the extrusion damage of circuit board body 3, makes circuit board body 3's position more stable, makes circuit board body 3's sealed waterproof nature higher.

Finally, it should be noted that: 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.

Claims

1. A circuit board sealing waterproof structure convenient to mount comprises a bottom box (1) and is characterized in that a top box (2) is arranged above the bottom box (1), a circuit board body (3) is arranged in an inner cavity of the bottom box (1), and a first sealing mechanism (5) and a second sealing mechanism (6) are arranged between the bottom box (1) and the top box (2);

first sealing mechanism (5) contain first seal groove (501), sealed glue (502), four spread groove (503) and four connection nail (504), sealed glue (502) is located the inner chamber of first seal groove (501), connect the inner chamber threaded connection of nail (504) and spread groove (503), second sealing mechanism (6) contain sealing washer (601) and second seal groove (602), sealing washer (601) alternate with the inner chamber sliding of second seal groove (602) and are connected, the inner chamber of end box (1) and STB (2) is provided with a plurality of positioning mechanism (7).

2. The circuit board sealing and waterproof structure convenient to mount according to claim 1, wherein an embedded groove (4) is formed in the outer wall of the bottom box (1), and a limiting groove is formed in the bottom end of the top box (2).

3. The circuit board sealing and waterproof structure convenient to mount according to claim 1, wherein the top box (2) is slidably inserted into the embedded groove (4) and the inner cavity of the first sealing groove (501).

4. The circuit board sealing and waterproof structure convenient to mount according to claim 1, wherein the bottom end of the sealing ring (601) is fixedly connected with the top end of the bottom box (1), and the second sealing groove (602) is formed in the top portion of the inner wall of the top box (2).

5. The circuit board sealing and waterproof structure convenient to mount according to claim 1, wherein the positioning mechanism (7) comprises a positioning plate (701) and a pressing block (702), and the outer wall of the positioning plate (701) is fixedly connected with the middle part of the inner wall of the bottom case (1).

6. The circuit board sealing and waterproof structure convenient to mount according to claim 5, wherein the top end of the extrusion block (702) is fixedly connected with the top end of the inner wall of the top box (2), and the circuit board body (3) is arranged between the positioning plate (701) and the extrusion block (702).

7. The waterproof and sealing structure for the circuit board convenient to mount as claimed in claim 2, wherein rubber pads are fixedly connected to the bottom end of the embedded groove (4), the top end of the bottom case (1) and the top end of the positioning block (701).