CN207802604U - A kind of water-tight device of circuit board - Google Patents
A kind of water-tight device of circuit board Download PDFInfo
- Publication number
- CN207802604U CN207802604U CN201721299981.XU CN201721299981U CN207802604U CN 207802604 U CN207802604 U CN 207802604U CN 201721299981 U CN201721299981 U CN 201721299981U CN 207802604 U CN207802604 U CN 207802604U
- Authority
- CN
- China
- Prior art keywords
- cover body
- shell
- circuit board
- fixed block
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Casings For Electric Apparatus (AREA)
Abstract
The utility model is related to circuit water-proof technical fields, especially a kind of water-tight device of circuit board, including shell, opening is offered at the top of the shell, the external matching of the shell is socketed with cover body, and the bottom of shell and the bottom surface of cover body are on same level straight line, the bottom of the shell is equipped with fixed plate, the upper surface of the fixed plate is contacted with the bottom surface of cover body, the bottom surface of the cover body opens up fluted, the groove is internally provided with the first gasket contacted with fixed plate, it is mounted on fixed block on four sides of the cover body, the upper surface of the fixed plate is equipped with screw rod corresponding with fixed block position, the top of the screw rod runs through fixed block and extends to the top of fixed block, the top of the screw rod is threaded with screwed pipe, the bottom surface of the screwed pipe is contacted with the upper surface of fixed block.The utility model is simple in structure, easy to use, not only plays the role of waterproof to circuit board, but also facilitates the replacement of circuit board.
Description
Technical field
The utility model is related to circuit water-proof technical field more particularly to a kind of water-tight devices of circuit board.
Background technology
Under real world conditions, such as chemistry, vibrations, Gao Chen, salt fog, moist with high temperature environment, there may be corruption for circuit board
The problems such as losing, soften, deforming, going mouldy, causes circuit to break down, therefore can generally spray last layer three proofings on circuit boards
Paint, three-proofing coating not only has good high and low temperature resistance, but circuit board is during assembly and use, especially bottom surface
Bond pad locations are easy to generate friction with external object, and three-proofing coating is easy for being worn away, and circuit board drops significantly outside being exposed to
The low protecting effect of three-proofing coating, the reliability and service life of circuit board also receive prodigious influence.
Utility model content
The shortcomings that being easy for being worn away purpose of the utility model is to solve three-proofing coating existing in the prior art,
And a kind of water-tight device of the circuit board proposed.
To achieve the goals above, the utility model uses following technical solution：
A kind of water-tight device of circuit board, including shell are designed, opening is offered at the top of the shell, the shell
Outside matching is socketed with cover body, and the bottom of shell and the bottom surface of cover body are on same level straight line, the bottom of the shell
Fixed plate is installed, the upper surface of the fixed plate is contacted with the bottom surface of cover body, the bottom surface of the cover body open up it is fluted, it is described
Groove is internally provided with the first gasket contacted with fixed plate, is mounted on fixed block on four sides of the cover body, institute
The upper surface for stating fixed plate is equipped with screw rod corresponding with fixed block position, and the top of the screw rod through fixed block and extends to solid
Determine the top of block, the top of the screw rod is threaded with screwed pipe, and the bottom surface of the screwed pipe and the upper surface of fixed block connect
Touch, offer interconnected through-hole between the side wall of the cover body and the side wall of shell, and the inside of through-hole be bonded with it is close
The inside top surface of seal, the cover body is equipped with multiple fixing devices.
Preferably, the fixing device is at least provided with two, and arranges in a symmetrical manner, and the fixing device includes stretching
The top of contracting bar, the telescopic rod is mounted in the inside top surface of cover body, and the bottom end of the telescopic rod is equipped with pressing plate, described to stretch
Spring is socketed on contracting bar, the both ends of the spring are connect with cover body and pressing plate respectively.
Preferably, the bottom of the pressing plate is equipped with multiple rubber blocks, and the rubber block is at least provided with four, and with equidistant
Mode arrange.
Preferably, the second gasket is equipped between the side of the outside of the shell four and the side of the inside of cover body four.
Preferably, multiple convex blocks are equipped on the side of each screwed pipe, the convex block at least provided with four, and with
Equidistant mode arranges.
The utility model proposes a kind of circuit board water-tight device, advantageous effect is：By the way that cover body, first close is added
Packing, sealing ring and fixed plate, for playing the role of sealing to shell, to prevent extraneous aqueous solution to shell interior circuit board
Influence, but also avoid spraying three-proofing coating on circuit boards, improve the protective effect to circuit board；By addition screw rod, admittedly
Determine block, screwed pipe, for improving the stability connected between cover body and fixed plate, and is also convenient for point between cover body and shell
From the circuit board in shell is maintained or replaced to facilitate；By the way that groove is added, when being convenient for the installation of the first gasket
Stability, avoid the position of the first gasket from detaching, to improve the first gasket waterproof effect.The utility model
It is simple in structure, easy to use, not only play the role of waterproof to circuit board, but also facilitate the replacement of circuit board.
Description of the drawings
Fig. 1 be the utility model proposes a kind of circuit board water-tight device structure main sectional view；
Fig. 2 be the utility model proposes a kind of circuit board water-tight device structural side view；
Fig. 3 be the utility model proposes a kind of circuit board water-tight device cover body and concave groove coupling structure schematic diagram.
In figure：First gasket 1, sealing ring 2, through-hole 3, convex block 4, screw rod 5, the second gasket 6, telescopic rod 7, pressing plate 8,
Spring 9, cover body 10, rubber block 11, screwed pipe 12, fixed block 13, fixed plate 14, groove 15, shell 16.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely retouches, it is clear that the embodiment retouched is only the utility model a part of the embodiment, instead of all the embodiments.
Referring to Fig.1-3, the top of a kind of water-tight device of circuit board, including shell 16, shell 16 offers opening, shell
16 external matching is socketed with cover body 10, and the bottom of shell 16 and the bottom surface of cover body 10 are on same level straight line, shell
It is equipped with the second gasket 6 between 16 side of outside four and the side of inside four of cover body 10, further increases 16 He of shell
The stability connected between cover body 10, to avoid circuit board from being damaged by aqueous solution.
The bottom of shell 16 is equipped with fixed plate 14, and the upper surface of fixed plate 14 is contacted with the bottom surface of cover body 10, cover body 10
Bottom surface open up fluted 15, groove 15 is internally provided with the first gasket 1 contacted with fixed plate 14, four sides of cover body 10
Fixed block 13 is mounted on face, the upper surface of fixed plate 14 is equipped with screw rod 5 corresponding with 13 position of fixed block, the top of screw rod 5
End runs through fixed block 13 and extends to the top of fixed block 13, and the top of screw rod 5 is threaded with screwed pipe 12, screwed pipe 12
Bottom surface is contacted with the upper surface of fixed block 13, is equipped with multiple convex blocks 4 on the side of each screwed pipe 12, convex block 4 at least provided with
Four, and arranged in a manner of equidistant, facilitate staff to operate screwed pipe 12 so that the convenience of operation improves, cover body 10
Side wall and the side wall of shell 16 between offer interconnected through-hole 3, and the inside of through-hole 3 is bonded with sealing ring 2, leads to
Hole passes through convenient for the convenient electric wire being connect with circuit board, and sealing ring between electric wire and through-hole 2 gap be filled it is close
Envelope, to improve the effect for playing waterproof.
The inside top surface of cover body 10 is equipped with multiple fixing devices, and fixing device is at least provided with two, and with symmetrical side
Formula arranges, and fixing device includes telescopic rod 7, and the top of telescopic rod 7 is mounted in the inside top surface of cover body 10, the bottom of telescopic rod 7
End is equipped with pressing plate 8, spring 9 is socketed on telescopic rod 7, the both ends of spring 9 are connect with cover body 10 and pressing plate 8 respectively, pressing plate 8
Bottom is equipped with multiple rubber blocks 11, and rubber block 11 is arranged at least provided with four in a manner of equidistant, fixing device for pair
Circuit board play the role of it is fixed, during fixed to circuit board, rubber block 11 can be contacted with circuit board, then exist
During cover body 10 is installed, spring 9 can be compressed, so that spring 9 plays the role of preload to circuit board, be improved
Stability when circuit board is installed.
Operation principle：When being dismantled to the device, screwed pipe 12 is first rotated so that screwed pipe 12 occurs with screw rod 5
Separation, then pulls up cover body 10 so that fixed block 13 also carries out on screw rod 5 while cover body 10 is detached with fixed plate 14
It is mobile, after fixed block 13 is far from screw rod 5, you can take out the circuit board in shell 16.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of water-tight device of circuit board, including shell（16）, the shell（16）Top offer opening, feature exists
In the shell（16）External matching be socketed with cover body（10）, and shell（16）Bottom and cover body（10）Bottom surface be in
On same level straight line, the shell（16）Bottom fixed plate is installed（14）, the fixed plate（14）Upper surface and cover
Body（10）Bottom surface contact, the cover body（10）Bottom surface open up it is fluted（15）, the groove（15）Be internally provided with it is solid
Fixed board（14）First gasket of contact（1）, the cover body（10）Four sides on be mounted on fixed block（13）, described solid
Fixed board（14）Upper surface be equipped with and fixed block（13）The corresponding screw rod in position（5）, the screw rod（5）Top run through fixed block
（13）And extend to fixed block（13）Top, the screw rod（5）Top be threaded with screwed pipe（12）, the screwed pipe
（12）Bottom surface and fixed block（13）Upper surface contact, the cover body（10）Side wall and shell（16）Side wall between open
Equipped with interconnected through-hole（3）, and through-hole（3）Inside be bonded with sealing ring（2）, the cover body（10）Inside top surface peace
Equipped with multiple fixing devices.
2. a kind of water-tight device of circuit board according to claim 1, which is characterized in that the fixing device at least provided with
Two, and arrange in a symmetrical manner, the fixing device includes telescopic rod（7）, the telescopic rod（7）Top be mounted on cover
Body（10）Inside top surface on, the telescopic rod（7）Bottom end pressing plate is installed（8）, the telescopic rod（7）On be socketed with spring
（9）, the spring（9）Both ends respectively with cover body（10）And pressing plate（8）Connection.
3. a kind of water-tight device of circuit board according to claim 2, which is characterized in that the pressing plate（8）Bottom peace
Equipped with multiple rubber blocks（11）, the rubber block（11）At least provided with four, and arranged in a manner of equidistant.
4. a kind of water-tight device of circuit board according to claim 1, which is characterized in that the shell（16）Outside four
A side and cover body（10）The side of inside four between be equipped with the second gasket（6）.
5. a kind of water-tight device of circuit board according to claim 1, which is characterized in that each screwed pipe（12）'s
Multiple convex blocks are equipped on side（4）, the convex block（4）At least provided with four, and arranged in a manner of equidistant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721299981.XU CN207802604U (en) | 2017-10-10 | 2017-10-10 | A kind of water-tight device of circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721299981.XU CN207802604U (en) | 2017-10-10 | 2017-10-10 | A kind of water-tight device of circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207802604U true CN207802604U (en) | 2018-08-31 |
Family
ID=63274892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721299981.XU Expired - Fee Related CN207802604U (en) | 2017-10-10 | 2017-10-10 | A kind of water-tight device of circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207802604U (en) |
-
2017
- 2017-10-10 CN CN201721299981.XU patent/CN207802604U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180831 Termination date: 20191010 |