CN214014717U

CN214014717U - Printed circuit board convenient to maintain

Info

Publication number: CN214014717U
Application number: CN202022894851.9U
Authority: CN
Inventors: 刘招
Original assignee: Shenzhen Bochengxin Electronics Co ltd
Current assignee: Shenzhen Bochengxin Electronics Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-08-20
Anticipated expiration: 2030-12-04

Abstract

The utility model discloses a printed circuit board convenient to maintain, including base, electron plate main part and clamshell, the diapire of base both sides wall all level is fixed with the mounting panel of seting up the screw hole, the electron plate main part is installed on the base top surface of level, the top of electron plate main part is covered with the clamshell, the both sides of clamshell bottom surface are equipped with the presswork of butt with electron plate main part; the holding tank has been seted up to the equal level in the inside both sides of base, the inside slider device of holding tank has first slider, the both sides of clamshell bottom face and the equal vertical cardboard that is fixed with in position that the holding tank corresponds, the bottom of cardboard slides and runs through the one side that the pedestal roof is located the inside first slider of holding tank and keeps away from the base middle part, just one side that the cardboard is located the inside one end of holding tank and is close to first slider is equipped with the joint with first slider joint. This printed circuit board convenient to maintain, it is rational in infrastructure, solved the problem that exists among the prior art, be worth promoting.

Description

Printed circuit board convenient to maintain

Technical Field

The utility model belongs to the technical field of printed circuit board, concretely relates to printed circuit board convenient to maintain.

Background

The printed circuit board, also called printed circuit board, is the provider of electrical connection of electronic components, its development has been for over 100 years history, its design is mainly the territory design, the main advantage of adopting the circuit board is that greatly reduce the mistake of wiring and assembly, save the time of equipment maintenance, debugging and inspection, has improved automation level and production labor rate, can divide into single-sided board, double-sided board, four-layer board, six-layer board and other multilayer circuit boards according to the circuit board number of piles, it is vital to the maintenance of the printed circuit board.

However, the conventional printed circuit board is complicated in the steps of detachment and installation, and is difficult to detach and maintain when the printed circuit board fails, and meanwhile, the conventional printed circuit board is generally not provided with a protective device, so that the printed circuit board is easily scratched when the equipment is repaired, and therefore, further improvement is required.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a printed circuit board convenient to maintain 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 printed circuit board convenient to maintain comprises a base, an electronic board main body and a shell, wherein mounting plates provided with threaded holes are horizontally fixed on the bottom walls of two side walls of the base, the electronic board main body is horizontally mounted on the top end surface of the base, the shell is covered above the electronic board main body, and pressing pieces abutted against the electronic board main body are arranged on two sides of the bottom end surface of the shell;

both sides of the inside of the base are horizontally provided with holding tanks, the inside of each holding tank is provided with a first sliding block in a sliding way, clamping plates are vertically fixed at the positions, corresponding to the accommodating groove, of the two sides of the bottom end surface of the shell cover, the bottom ends of the clamping plates penetrate through the top wall of the base in a sliding manner and are positioned on one side, far away from the middle part of the base, of the first sliding block in the accommodating groove, and one side of one end of the clamping plate, which is positioned in the containing groove and is close to the first sliding block, is provided with a clamping joint which is clamped with the first sliding block, two second springs are fixed on one end face of the first sliding block close to the middle part of the base side by side, the other ends of the two second springs are fixedly connected with the side wall of the accommodating groove, the both sides that a second spring terminal surface was kept away from to first slider all the vertical fixation have the connecting rod, the one end that first slider was kept away from to the connecting rod slides and runs through the holding tank lateral wall and be located the base outside, and two the one end fixedly connected with press the clamp plate that the connecting rod is located the base outside.

Preferably, the pressing piece comprises a telescopic positioning rod, a first spring and a pressing plate, the telescopic positioning rod is vertically fixed on the side of the bottom end face of the shell, the pressing plate is horizontally fixed at the telescopic end of the telescopic positioning rod, the first spring is sleeved outside the telescopic positioning rod, two ends of the first spring are respectively fixedly connected with the shell and the pressing plate, and a rubber pad which is abutted against the electronic board main body is further bonded on the bottom end face of the pressing plate.

Preferably, the two sides of the top end face of the base are provided with clamping blocks which are matched with the electronic board main body for installation.

Preferably, a through groove is formed in the top end face of the shell cover corresponding to the electronic board main body, and a filter screen is arranged in the through groove.

Preferably, the both ends of first slider all are equipped with the second slider, set up on the both sides wall of holding tank and supply the gliding spout of second slider.

Preferably, the bottom end face of the clamping plate is arranged towards one side of the first sliding block in an inclined mode, and the two connecting rods in the accommodating groove are provided with the limiting plates in a sleeved mode.

The utility model discloses a technological effect and advantage: this printed circuit board convenient to maintain through set up the clamshell in electron plate main part top, can form effective protection to electron plate main part, simultaneously at the cardboard, press the clamp plate, the joint of the card, the holding tank, first slider, under the cooperation of second spring and connecting rod, only need press the clamshell gently alright make the clamshell fix on the base, and through pressing two press the clamp plates alright follow the base with the clamshell and pull apart, realized the quick assembly disassembly to the clamshell to be convenient for to the maintenance of electron plate main part. This printed circuit board convenient to maintain, it is rational in infrastructure, solved the problem that exists among the prior art, be worth promoting.

Drawings

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

fig. 2 is an enlarged view of a point a in fig. 1 according to the present invention;

FIG. 3 is a schematic view of the structure of the clamping plate of the present invention;

FIG. 4 is a schematic view of the structure of the pressed part of the present invention;

fig. 5 is a top view of the accommodating groove of the present invention.

In the figure: the electronic board comprises a base 1, an electronic board main body 2, a shell cover 3, a mounting plate 4, a through groove 5, a filter screen 6, a pressing piece 7, a clamping block 8, a clamping plate 9, a pressing plate 10, a clamping joint 11, a telescopic positioning rod 12, a first spring 13, a pressing plate 14, an accommodating groove 15, a first sliding block 16, a second spring 17, a connecting rod 18, a second sliding block 19, a sliding groove 20 and a limiting plate 21.

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 printed circuit board convenient for maintenance as shown in figures 1-5, which comprises a base 1, an electronic board main body 2 and a shell cover 3, wherein the bottom walls of the two side walls of the base 1 are horizontally fixed with a mounting plate 4 provided with a threaded hole, the top end surface of the base 1 is horizontally provided with the electronic board main body 2, the shell cover 3 is covered above the electronic board main body 2, and two sides of the bottom end surface of the shell cover 3 are provided with pressing pieces 7 abutted against the electronic board main body 2;

accommodating grooves 15 are horizontally formed in two sides of the interior of the base 1, a sliding device in each accommodating groove 15 is provided with a first sliding block 16, clamping plates 9 are vertically fixed at positions, corresponding to the accommodating grooves 15, of two sides of the bottom end face of the shell cover 3, the bottom ends of the clamping plates 9 penetrate through the top wall of the base 1 in a sliding manner and are located on one side, away from the middle of the base 1, of a first sliding block 16 in the accommodating grooves 15, a clamping joint 11 clamped with the first sliding block 16 is arranged on one side, close to the first sliding block 16, of one end face of the first sliding block 16, close to the middle of the base 1, two second springs 17 are fixed side by side, the other ends of the two second springs 17 are fixedly connected with the side walls of the accommodating grooves 15, connecting rods 18 are vertically fixed on two sides, away from one end face of the second springs 17, of the first sliding block 16, of the connecting rods 18 penetrate through the side walls of the accommodating grooves 15 and are located on the outer side of the base 1, and one end of each of the two connecting rods 18, which is positioned outside the base 1, is fixedly connected with the pressing plate 10.

Specifically, the pressing member 7 includes a telescopic positioning rod 12, a first spring 13 and a pressing plate 14, the telescopic positioning rod 12 is vertically fixed on the side of the bottom end face of the housing 3, the pressing plate 14 is horizontally fixed at the telescopic end of the telescopic positioning rod 12, the first spring 13 is sleeved outside the telescopic positioning rod 12, two ends of the first spring 13 are respectively fixedly connected with the housing 3 and the pressing plate 14, and a rubber pad abutted against the electronic board main body 2 is further bonded on the bottom end face of the pressing plate 14.

Specifically, two sides of the top end face of the base 1 are provided with clamping blocks 8 which are matched with the electronic board main body 2 to facilitate the installation of the electronic board main body 2.

Specifically, logical groove 5 has been seted up with the position that electron board main part 2 corresponds on the face of clamshell 3 top for to electron board main part 2 ventilation cooling, logical inslot portion of groove 5 is provided with filter screen 6, plays dirt-proof effect.

Specifically, both ends of first slider 16 all are equipped with second slider 19, offer on the both sides wall of holding tank 15 and supply the gliding spout 20 of second slider 19, play the effect that improves first slider 16 mobility stability.

Specifically, the bottom end face of cardboard 9 sets up towards the incline of one side of first slider 16, is located all the cover has been put limiting plate 21 on two inside connecting rods 18 of holding tank 15 to prevent that first slider 16 from moving to the inside one side of keeping away from base 1 middle part of holding tank 15 and leading to the unable inserting of cardboard 9 under the effect of second spring 17 elasticity.

The working principle is as follows: when the printed circuit board convenient to maintain is used, the electronic board main body 2 is horizontally arranged on the top end face of the base 1 through the fixture block 8, then the shell cover 3 is horizontally covered above the electronic board main body 2, meanwhile, the two clamping plates 9 on the bottom end face of the shell cover 3 are respectively inserted into the two accommodating grooves 15, then the shell cover 3 is pressed in opposite directions, as the bottom end faces of the clamping plates 9 are obliquely arranged towards one side of the first sliding block 16, the first sliding block 16 is forced to move towards one side of the middle part of the base 1 along with the downward pressing of the shell cover 3 and the second spring 17 is extruded, when the clamping plates 9 are pressed down until the clamping joints 11 are aligned with the first sliding block 16, the first sliding block 16 is pushed to be clamped with the clamping joints 11 under the action of the elastic force of the second spring 17, so that the shell cover 3 is fixed, and the protection for the shell cover 3 is formed; furthermore, in the process of pressing and fixing the shell cover 3, the two pressing plates 14 are firstly abutted against the electronic board main body 2, and then the electronic board main body 2 can be elastically pressed under the action of the elastic force of the first spring 13, so that the electronic board main body 2 can be prevented from loosening, and the electronic board main body 2 can be prevented from being damaged; finally, when needing to maintain electron plate main part 2, only need press the pressure board 10 of base 1 both sides, press the board 10 and promote first slider 16 through connecting rod 18 and move towards one side at base 1 middle part, make first slider 16 and joint 11 no longer the joint, alright demolish clamshell 3 from electron plate main part 2 top this moment to maintain electron plate main part 2. This printed circuit board convenient to maintain, it is rational in infrastructure, solved the problem that exists among the prior art, be worth promoting.

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 scope of the invention.

Claims

1. A printed circuit board convenient to maintain, includes base (1), electron plate main part (2) and clamshell (3), its characterized in that: mounting plates (4) provided with threaded holes are horizontally fixed on the bottom walls of the two side walls of the base (1), an electronic board main body (2) is horizontally mounted on the top end face of the base (1), a shell cover (3) is covered above the electronic board main body (2), and pressing pieces (7) abutted to the electronic board main body (2) are arranged on the two sides of the bottom end face of the shell cover (3);

holding tank (15) have been seted up to the equal level in the inside both sides of base (1), the inside sliding device of holding tank (15) has first slider (16), the equal vertical cardboard (9) that is fixed with in the position that the both sides of clamshell (3) bottom face correspond with holding tank (15), the bottom slip of cardboard (9) runs through base (1) roof and is located the inside first slider (16) of holding tank (15) and keeps away from one side at base (1) middle part, just cardboard (9) are located one side that the inside one end of holding tank (15) is close to first slider (16) and are equipped with joint (11) with first slider (16) joint, a terminal surface that first slider (16) is close to base (1) middle part is fixed with two second springs (17) side by side, two the other one end of second spring (17) and the lateral wall fixed connection of holding tank (15), the both sides that second spring (17) a terminal surface were kept away from in first slider (16) all are fixed with the connecting rod perpendicularly (18) One end, far away from the first sliding block (16), of each connecting rod (18) penetrates through the side wall of the accommodating groove (15) in a sliding mode and is located on the outer side of the base (1), and the two ends, located outside the base (1), of the connecting rods (18) are fixedly connected with pressing plates (10).

2. A printed circuit board for facilitating maintenance according to claim 1, wherein: the pressing piece (7) comprises a telescopic positioning rod (12), a first spring (13) and a pressing plate (14), the telescopic positioning rod (12) is vertically fixed on the side of the bottom end face of the shell cover (3), the telescopic end of the telescopic positioning rod (12) is horizontally fixed with the pressing plate (14), the first spring (13) is sleeved on the outer side of the telescopic positioning rod (12), two ends of the first spring (13) are fixedly connected with the shell cover (3) and the pressing plate (14) respectively, and a rubber pad abutted to the bottom end face of the pressing plate (14) is further bonded with a rubber pad abutted to the electronic board main body (2).

3. A printed circuit board for facilitating maintenance according to claim 1, wherein: and clamping blocks (8) matched with the electronic board main body (2) for installation are arranged on two sides of the top end face of the base (1).

4. A printed circuit board for facilitating maintenance according to claim 1, wherein: a through groove (5) is formed in the position, corresponding to the electronic board main body (2), on the top end face of the shell cover (3), and a filter screen (6) is arranged inside the through groove (5).

5. A printed circuit board for facilitating maintenance according to claim 1, wherein: the both ends of first slider (16) all are equipped with second slider (19), offer on the both sides wall of holding tank (15) and supply gliding spout (20) of second slider (19).

6. A printed circuit board for facilitating maintenance according to claim 1, wherein: the bottom end face of the clamping plate (9) is obliquely arranged towards one side of the first sliding block (16), and the two connecting rods (18) in the accommodating groove (15) are sleeved with the limiting plates (21).