CN216357823U

CN216357823U - High-precision impedance PCB circuit board

Info

Publication number: CN216357823U
Application number: CN202122541034.XU
Authority: CN
Inventors: 张志勤
Original assignee: Dongguan Wannianfu Electronics Co ltd
Current assignee: Dongguan Wannianfu Electronics Co ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-04-19
Anticipated expiration: 2031-10-21

Abstract

The utility model discloses a high-precision impedance PCB circuit board which comprises a protective frame and a circuit board main body, wherein the circuit board main body is arranged inside the protective frame, one end of the protective frame is movably connected with a plugging plate, the plugging plate and the protective frame are closed to form a frame body matched with the circuit board main body, two sides of the circuit board main body are embedded into two sides inside the inverted protective frame, inverted L-shaped expansion airbags are arranged on two side walls inside the protective frame, and the inverted L-shaped expansion airbags are abutted to two sides of the circuit board main body. According to the utility model, by arranging the protective frame, when the circuit board main body is placed in the protective frame, the plugging plate and the abutting plate can be abutted against two ends of the circuit board main body, two sides of the circuit board main body are extruded and fixed by expansion of the expansion air bag, and four edges of the circuit board main body can be buffered and protected by the first rubber pad, the second rubber pad and the expansion air bag on the plugging plate and the abutting plate, so that the good damping effect and high stability are ensured.

Description

High-precision impedance PCB circuit board

Technical Field

The utility model relates to the field of circuit boards, in particular to a high-precision impedance PCB circuit board.

Background

With the rapid progress of economy in China, the level of science and technology in China is also continuously advanced, various electrical equipment is rapidly developed, the circuit board is most used in the electrical equipment, and the circuit board can be called a printed circuit board or a printed circuit board.

The existing impedance PCB circuit board is not protected at the edge of the circuit board in the using process, so that the edge of the circuit board is easily damaged due to collision, and meanwhile, certain damage is caused to electrical elements on the circuit board, so that the impedance PCB circuit board cannot be normally used, the existing impedance PCB circuit board is poor in overall heat dissipation effect, heat accumulation is easily caused after long-time use, the use safety is affected, and improvement is needed.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a high-precision impedance PCB to solve at least one of the above problems.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a high-accuracy impedance PCB circuit board, includes protecting frame and circuit board main part, the circuit board main part is installed inside the protecting frame, protecting frame one end swing joint has the shutoff board, the shutoff board forms a framework that matches with the circuit board main part with the protecting frame closure, the inside both sides of protecting frame are fallen in embedding of circuit board main part both sides, all be equipped with the shape of falling L inflation gasbag on the inside both sides wall of protecting frame, the shape of falling L inflation gasbag and circuit board main part both sides butt, and the circuit board main part imbeds the upper end part of the inside both sides of protecting frame also with the shape of falling L inflation gasbag butt.

Preferably, the upper end in the protection frame is provided with a butt plate, a first rubber pad is arranged on one side surface of the butt plate, and the butt plate is in butt joint with one end of the circuit board main body through the first rubber pad.

Preferably, the inside top of protection frame has seted up the recess, the inside gas storage bag that is equipped with of recess, gas storage bag one side is equipped with the spring, gas storage bag and spring one end all extend to the recess outside and with a butt plate side surface connection.

Preferably, one side of the air storage bag is connected with an air conveying pipe, and one end of the air conveying pipe is communicated with the interior of the inverted L-shaped expansion air bag.

Preferably, a second rubber pad is arranged on one side surface of the blocking plate, the blocking plate is abutted to one end of the circuit board main body through the second rubber pad, locking buckles are arranged on two sides of the blocking plate, and the locking parts are connected with the side wall of the protective frame in a buckled mode.

Preferably, the inside bottom of protective frame is equipped with heat conduction silica gel pad, heat conduction silica gel pad and circuit board main part lower surface butt, the protective frame both sides all are equipped with the mount pad, be equipped with the mounting hole on the mount pad, the protrusion is equipped with first fin on the protective frame lateral wall, the protrusion of protective frame bottom is equipped with a plurality of second fins.

The utility model has the beneficial effects that:

1. according to the utility model, the protective frame is arranged, the expansion air bags are arranged on two sides in the protective frame, the air storage bag is arranged at one end in the protective frame, when the circuit board main body is placed in the protective frame, the plugging plate and the abutting plate can be abutted against two ends of the circuit board main body, so that the abutting plate is subjected to extrusion force, part of gas in the air storage bag is extruded and sent into the expansion air bags through the air conveying pipe, the expansion of the expansion air bags is utilized to extrude and fix two sides of the circuit board main body, the good fixing effect of the circuit board main body is ensured, and the first rubber pad, the second rubber pad and the expansion air bags on the plugging plate and the abutting plate can be utilized to buffer and protect four edges of the circuit board main body, so that the good damping effect is ensured, the stability is high, and the use is convenient.

2. According to the utility model, the heat-conducting silica gel pad is arranged, when the expansion air bag expands, the lower surface of the circuit board main body can be extruded to abut against the heat-conducting silica gel pad, on one hand, the heat-conducting silica gel pad can be used for buffering and protecting the circuit board main body, on the other hand, the heat generated on the circuit board main body can be absorbed in a reverse direction by the heat-conducting silica gel pad, and the heat is radiated by the first radiating fin and the second radiating fin, so that the radiating area of the circuit board main body is effectively enlarged, the radiating effect is ensured to be good, and the service life of the circuit board main body can be prolonged.

Drawings

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

FIG. 2 is a front cross-sectional view of a protective frame of the present invention;

FIG. 3 is a schematic top view of the interior of the protection frame according to the present invention;

reference numerals: 1. a protective frame; 2. a circuit board main body; 3. a mounting seat; 4. a butt joint plate; 5. a gas storage bag; 6. a spring; 7. a first rubber pad; 8. a first heat sink; 9. a plugging plate; 10. a second rubber pad; 11. locking; 12. a lock; 13. a heat-conducting silica gel pad; 14. a second heat sink; 15. an inverted L-shaped inflatable bladder; 16. a groove; 17. a gas delivery pipe.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the utility model easily understood, the utility model is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the utility model, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention are described below with reference to the accompanying drawings.

Examples

As shown in fig. 1-3, a high-precision impedance PCB circuit board, including protective frame 1 and circuit board main part 2, circuit board main part 2 is installed inside protective frame 1, protective frame 1 one end swing joint has shutoff board 9, shutoff board 9 forms a framework that matches with circuit board main part 2 with protective frame 1 is closed, circuit board main part 2 both sides embedding falls the inside both sides of protective frame 1, all be equipped with inverted L shape inflation gasbag 15 on the inside both sides wall of protective frame 1, inverted L shape inflation gasbag 15 and circuit board main part 2 both sides butt, and circuit board main part 2 imbeds the upper end part of the inside both sides of protective frame 1 also with inverted L shape inflation gasbag 15 butt.

In this embodiment, specifically, the abutting plate 4 is arranged at the upper end inside the protection frame 1, the first rubber pad 7 is arranged on one side surface of the abutting plate 4, the abutting plate 4 abuts against one end of the circuit board main body 2 through the first rubber pad 7, and when the circuit board main body 2 is fixed inside the protection frame 1, one end of the circuit board main body 2 can abut against the abutting plate 4 through the first rubber pad 7.

In this embodiment, it is concrete, recess 16 has been seted up on the inside top of protection frame 1, and recess 16 is inside to be equipped with gas storage bag 5, and gas storage bag 5 one side is equipped with spring 6, and gas storage bag 5 and spring 6 one end all extend to recess 16 outside and be connected with 4 side surfaces of butt plate, when 2 one end of circuit board main part and 4 butt of butt plate, can make gas storage bag 5 compressed to can make the inside partial gas of gas storage bag 5 extruded the discharge.

In this embodiment, it is concrete, gas storage bag 5 one side is connected with gas-supply pipe 17, gas-supply pipe 17 one end and the inside intercommunication of the shape of falling L inflation gasbag 15, can make the inside gas of gas storage bag 5 discharge and get into the shape of falling L inflation gasbag 15 inside through gas-supply pipe 17 under the extrusion state, make the shape of falling L inflation gasbag 15 inflation extrude fixedly to 2 both sides of circuit board main part, when the shape of falling L inflation gasbag 15 inflation simultaneously, can apply decurrent extrusion force to 2 both sides upper ends of circuit board main part, fix a position circuit board main part 2.

In this embodiment, it is concrete, 9 a side surfaces of shutoff board is equipped with second rubber pad 10, and shutoff board 9 passes through

second rubber pad

10 and 2 one end butts of circuit board main part, 9 both sides of shutoff board all are equipped with hasp 11, the latch 12 lock that is equipped with on hasp 11 and the protective frame 1 lateral wall is connected, can be connected shutoff board 9 through

second rubber pad

10 and 2 one end butts of circuit board main part, simultaneously with shutoff board 9 through the 12 lock of latch that are equipped with on hasp 11 and the protective frame 1 lateral wall be connected, fix a position shutoff board 9, can be better fix circuit board main part 2.

In this embodiment, it is concrete, the inside bottom of protective frame 1 is equipped with heat conduction silica gel pad 13, heat conduction silica gel pad 13 and the 2 lower surface butts of circuit board main part, 1 both sides of protective frame all are equipped with mount pad 3, be equipped with the mounting hole on mount pad 3, the protrusion is equipped with first fin 8 on the 1 lateral wall of protective frame, 1 bottom protrusion of protective frame is equipped with a plurality of second fins 14, can utilize heat conduction silica gel pad 13 to cushion shock attenuation protection to circuit board main part 2, can utilize heat conduction silica gel pad 13 to adsorb the heat on the circuit board main part 2 simultaneously, and conduct to protective frame 1 on, then utilize first fin 8 and second fin 14 on the protective frame 1 to adsorb the heat and give off, can effectively enlarge the heat radiating area of circuit board main part 2, guarantee that the radiating effect is good, and convenient to use.

The working principle is as follows: when the gas storage bag is used specifically, the circuit board main body 2 can be inserted into the protection frame 1, one end of the circuit board main body 2 is abutted against the abutting plate 4 through the first rubber pad 7, two sides of the circuit board main body 2 are positioned on one side of the inflatable airbag, then the blocking plate 9 is abutted against one end of the circuit board main body 2 through the second rubber pad 10, meanwhile, the blocking plate 9 is buckled and connected with the locking piece 12 arranged on the side wall of the protection frame 1 through the lock catch 11, the blocking plate 9 is positioned, the circuit board main body 2 can be better fixed, after the blocking plate 9 is abutted and fixed with the circuit board main body 2, the abutting plate 4 can be extruded, the gas storage bag 5 is pressurized, the spring 6 contracts, at the moment, gas in the gas storage bag 5 can be discharged through the gas conveying pipe 17 and sent into the inflatable airbag, and two sides of the circuit board are extruded and fixed by the inflation of the inflatable airbag, when the shape of falling L inflation gasbag 15 inflation simultaneously, can apply decurrent extrusion force to circuit board main part 2 both sides upper end, fix a position circuit board main part 2, can guarantee that circuit board main part 2 stability is good, and when receiving the collision, can cushion protection to circuit board main part 2, can utilize heat conduction silica gel pad 13 to cushion shock attenuation protection to circuit board main part 2 simultaneously, can utilize heat conduction silica gel pad 13 to adsorb the heat on the circuit board main part 2 simultaneously, and conduct to on the protective frame 1, then utilize first fin 8 and second fin 14 on the protective frame 1 to adsorb the heat and give off, can effectively enlarge the heat radiating area of circuit board main part 2, guarantee that the radiating effect is good, convenient to use.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high accuracy impedance PCB circuit board, includes protective frame (1) and circuit board main part (2), inside protective frame (1), its characterized in that are installed in circuit board main part (2): protection frame (1) one end swing joint has shutoff board (9), shutoff board (9) and protection frame (1) are closed to form a framework that matches with circuit board main part (2), the inside both sides of protection frame (1) are fallen in the embedding of circuit board main part (2) both sides, all be equipped with on the inside both sides wall of protection frame (1) and fall L shape inflation gasbag (15), fall L shape inflation gasbag (15) and circuit board main part (2) both sides butt, and circuit board main part (2) imbed the upper end part of the inside both sides of protection frame (1) also with the butt of falling L shape inflation gasbag (15).

2. A high precision impedance PCB circuit board as recited in claim 1, wherein: the protective frame is characterized in that a butt joint plate (4) is arranged at the upper end inside the protective frame (1), a first rubber pad (7) is arranged on one side surface of the butt joint plate (4), and the butt joint plate (4) is in butt joint with one end of the circuit board main body (2) through the first rubber pad (7).

3. A high precision impedance PCB circuit board according to claim 2, wherein: a groove (16) is formed in the top end of the inner portion of the protective frame (1), an air storage bag (5) is arranged in the groove (16), a spring (6) is arranged on one side of the air storage bag (5), and one ends of the air storage bag (5) and the spring (6) extend to the outer portion of the groove (16) and are connected with one side surface of the abutting plate (4).

4. A high precision impedance PCB circuit board according to claim 3, wherein: one side of the air storage bag (5) is connected with an air conveying pipe (17), and one end of the air conveying pipe (17) is communicated with the interior of the inverted L-shaped expansion air bag (15).

5. A high precision impedance PCB circuit board as recited in claim 1, wherein: one side surface of the plugging plate (9) is provided with a second rubber pad (10), the plugging plate (9) is abutted against one end of the circuit board main body (2) through the second rubber pad (10), the two sides of the plugging plate (9) are both provided with lock catches (11), and the lock catches (11) are connected with lock catches (12) arranged on the side wall of the protective frame (1).

6. A high precision impedance PCB circuit board as recited in claim 1, wherein: the heat-conducting silicon rubber pad is arranged at the bottom end inside the protective frame (1), the heat-conducting silicon rubber pad (13) is abutted to the lower surface of the circuit board main body (2), mounting seats (3) are arranged on two sides of the protective frame (1), mounting holes are formed in the mounting seats (3), first radiating fins (8) protrude from the side wall of the protective frame (1), and a plurality of second radiating fins (14) protrude from the bottom end of the protective frame (1).