CN211607001U

CN211607001U - Combined PCB circuit board aluminum shell

Info

Publication number: CN211607001U
Application number: CN201922295756.4U
Authority: CN
Inventors: 郑芳
Original assignee: Shanghai Aofan Environmental Protection Technology Development Co ltd
Current assignee: Shanghai Aofan Environmental Protection Technology Development Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-09-29
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses a modular PCB circuit board aluminum hull, including casing one and casing two, the screwed pipe has all been welded with the inner chamber four walls of casing two to casing one, the upper surface four corners position screw hole of casing two, the lower surface four sides of casing one all has welded the grafting piece, and is two sets of fixed welding has half arc piece between the grafting piece, through the wrench movement of screw rod, realizes fixing casing one and casing two, through enclosing square sealed piece on the outer wall of grafting piece to seal the outer wall of grafting piece through the sealing strip, avoid the interference of water, the sealing strip is fixed through the nut, fixes the sealing strip in the groove strip of square sealed piece, realizes no water interference and connects.

Description

Combined PCB circuit board aluminum shell

Technical Field

The utility model relates to a dentistry comprehensive therapy machine technical field especially relates to a modular PCB circuit board aluminum hull.

Background

The number of the circuit board can be divided into a single-sided board, a double-sided board, a four-layer board, a six-layer board and other multi-layer circuit boards. Since printed circuit boards are not typical end products, they are somewhat confusing in the definition of names such as: the motherboard for a personal computer is called a motherboard and cannot be directly called a circuit board, and although the circuit board exists in the motherboard, the motherboard is different from the motherboard, so that the two aspects cannot be said to be the same when evaluating the industry. For another example: because of the integrated circuit components mounted on the circuit board, the news media is called an IC board, but it is not substantially identical to a printed circuit board. By printed circuit board we generally say bare board-i.e. a circuit board without upper components;

the application improves to prior art, and when circuit board protective housing used in the water-cooling case among the prior art, need guarantee that the circuit board is placed and is avoided the interference of liquid in the protective housing, leads to damaging.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a combined PCB circuit board aluminum shell.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a modular PCB circuit board aluminum hull, includes casing one and casing two, the screwed pipe has all been welded with the inner chamber four walls of casing two to casing one, the upper surface four corners position of casing two sets up threaded hole, the lower surface four sides of casing one all welds and has the grafting piece, and is two sets of fixed welding has half arc piece between the grafting piece.

Preferably, the top of the second shell is provided with slots all around, the four corners of the top of the second shell are provided with middle connecting holes, and the left side and the right side of the periphery of the outer wall of the second shell are provided with sliding grooves.

Preferably, the four corners of the bottom plate of the notch of the second shell are welded with positioning bolts, and the top ends of the four groups of positioning bolts are provided with circuit boards.

Preferably, the outer wall of the plug-in block is provided with a square sealing block, the inner wall of the square sealing block is in a groove strip shape and is positioned in the groove strip opening and fixedly connected with a sealing strip.

Preferably, the upper surface of the square sealing block is provided with a nut, and the bottom of the nut penetrates through the upper surface of the square sealing block and is in threaded connection with the upper surface of the sealing strip.

Preferably, one side of the square sealing block is in an opening shape, the opening part is fixedly connected with a flexible block, and the rear vertical face of the flexible block is fixedly connected with a stretching sealing strip.

The utility model has the advantages that:

1. the utility model discloses in the time of using, insert the screw rod through the screw hole to casing two and casing one fixed, specific screwed pipe of fixed connection on casing one and casing two's inner chamber diagonal wall, through the wrench movement of screw rod, realize the fixed of casing one and casing two.

2. The utility model discloses when casing one and casing two are fixed, install on casing outer wall in the slot inner chamber that the grafting piece can insert casing two and set up, and press the top at casing two with casing one, secondly the spout cooperation of seting up on two tops of casing sealing strip uses, enclose on the outer wall of grafting piece through square sealed piece, and seal through the outer wall of sealing strip to the grafting piece, avoid the interference of water, because the flexible piece possesses the pull nature, can realize that tensile sealing strip seals the outer wall of grafting piece, and the sealing strip is fixed through the nut, fix the sealing strip in the groove strip of square sealed piece, realize no water interference and connect.

Drawings

Fig. 1 is a schematic structural view of a combined PCB circuit board aluminum case provided by the present invention;

fig. 2 is an exploded view of the aluminum case of the combined PCB circuit board provided by the present invention;

fig. 3 is the utility model provides a square sealing block schematic diagram in modular PCB circuit board aluminum hull.

In the figure: the sealing device comprises a first shell, a second shell, a 3 inserting block, a 4 half arc block, a 5 inserting groove, a 6 sliding groove, a 7 middle connecting hole, an 8 positioning bolt, a 9 sealing strip, a 10 nut, a 11 square sealing block, a 12 stretching sealing strip, a 13 flexible block, a 14 threaded hole and a 15 threaded pipe, wherein the first shell, the second shell, the 3 inserting block, the 4 half arc block, the 5 inserting groove, the 6 sliding groove.

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.

Referring to fig. 1-3, a combined PCB circuit board aluminum case comprises a first case 1 and a second case 2, wherein the top of the second case 2 is provided with slots 5, the four corners of the top of the second case 2 are provided with middle connection holes 7, the left and right sides of the outer wall of the second case 2 are provided with sliding grooves 6, the four corners of the bottom plate of the notch of the second case 2 are welded with positioning bolts 8, the top of the four positioning bolts 8 are provided with circuit boards, the four walls of the inner cavities of the first case 1 and the second case 2 are welded with threaded pipes 15, an insertion block 3 arranged on the outer wall of the first case 1 can be inserted into the inner cavity of the slot 5 arranged on the second case 2, the first case 1 is pressed above the second case 2, the sliding grooves 6 arranged on the top of the second case 2 are matched with sealing strips 9 for use, a square sealing block 11 is enclosed on the outer wall of the insertion block 3, and the outer wall of the insertion block, avoiding the interference of water, because the flexible block 13 has the drawability, the outer wall of the plug-in block 3 can be sealed by the stretching sealing strip 12, the sealing strip 9 is fixed by the nut 10, the sealing strip 9 is fixed in the groove of the square sealing block 11, the connection without water interference is realized, the four corners of the upper surface of the shell II 2 are provided with threaded holes 14, the four sides of the lower surface of the shell I1 are welded with the plug-in block 3, the outer wall of the plug-in block 3 is provided with the square sealing block 11, one surface of the square sealing block 11 is in an open shape, the flexible block 13 is fixedly connected at the open part, the rear vertical surface of the flexible block 13 is fixedly connected with the stretching sealing strip 12, the nut 10 is arranged on the upper surface of the square sealing block 11, the bottom of the nut 10 penetrates through the upper surface of the square sealing block 11 and is in threaded connection with the upper surface of the sealing strip 9, and a sealing strip 9 is fixedly connected in the groove opening, and a half arc block 4 is fixedly welded between the two groups of inserting blocks 3.

The working principle is as follows: when the screw fixing device is used, a screw is inserted through the threaded hole 14, the shell I2 and the shell I1 are fixed, specifically, the threaded pipe 15 fixedly connected to the diagonal wall of the inner cavity of the shell I1 and the inner cavity of the shell II 2 realizes the fixation of the shell I1 and the shell II 2 through the twisting of the screw;

when casing 1 and casing two 2 are fixed, install on casing 1 outer wall in the 5 inner chambers of slot that set up on the plug block 3 can insert casing two 2, and press casing 1 in the top of casing two 2, secondly spout 6 that sets up on casing two 2 tops cooperates sealing strip 9 and uses, enclose on the outer wall of plug block 3 through square sealing block 11, and seal the outer wall of plug block 3 through sealing strip 9, avoid the interference of water, because flexible piece 13 possesses the pull nature, can realize that tensile sealing strip 12 seals the outer wall of plug block 3, and sealing strip 9 is fixed through nut 10, fix sealing strip 9 in the groove of square sealing block 11, realize no water interference and connect.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a modular PCB circuit board aluminum hull, includes casing (1) and casing two (2), its characterized in that, screwed pipe (15) have all been welded with the inner chamber four walls of casing (1) and casing two (2), threaded hole (14) are seted up to the upper surface four corners position of casing two (2), the lower surface four sides of casing (1) all weld and have plug block (3), and are two sets of fixed welding has half arc piece (4) between plug block (3).

2. The combined PCB circuit board aluminum shell as recited in claim 1, wherein slots (5) are formed around the top end of the second casing (2), the four corners of the top end of the second casing (2) are respectively provided with a middle connection hole (7), and sliding grooves (6) are formed on the left and right sides of the periphery of the outer wall of the second casing (2).

3. The combined PCB circuit board aluminum shell as claimed in claim 1, wherein four corners of the bottom plate of the notch of the second shell (2) are welded with positioning bolts (8), and the circuit board is mounted at the top ends of the four groups of positioning bolts (8).

4. The combined PCB board aluminum casing of claim 1, wherein the outer wall of the plug-in block (3) is provided with a square sealing block (11), the inner wall of the square sealing block (11) is in a groove strip shape and is fixedly connected with a sealing strip (9) in the groove strip.

5. The combined PCB circuit board aluminum shell as claimed in claim 4, wherein a nut (10) is mounted on the upper surface of the square sealing block (11), and the bottom of the nut (10) penetrates through the upper surface of the square sealing block (11) and is in threaded connection with the upper surface of the sealing strip (9).

6. The combined PCB circuit board aluminum casing of claim 4, wherein one side of the square sealing block (11) is open-shaped, and is fixedly connected with a flexible block (13) at the opening part, and a stretching sealing strip (12) is fixedly connected with the rear vertical surface of the flexible block (13).