CN215581872U

CN215581872U - Double-sided circuit board convenient to installation

Info

Publication number: CN215581872U
Application number: CN202121637043.2U
Authority: CN
Inventors: 孟文明; 夏俊
Original assignee: KUNSHAN HUACHEN ELECTRONICS CO Ltd
Current assignee: KUNSHAN HUACHEN ELECTRONICS CO Ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2022-01-18
Anticipated expiration: 2031-07-19

Abstract

The utility model relates to the technical field of circuit boards, and discloses a double-sided circuit board convenient to mount, which comprises a top plate, an equipment box, a heat dissipation device and a pop-up device, wherein the equipment box is arranged below the top plate, a circuit board body is arranged inside the equipment box, a plurality of groups of connecting rods are arranged on the lower surface of the circuit board body, the upper surfaces of the connecting rods are fixedly connected to the lower surface of the circuit board body, limit grooves are formed in the side surfaces of the connecting rods, the heat dissipation device is arranged below the circuit board body, and a plurality of groups of mounting grooves are formed in the side wall of the equipment box. The installation efficiency is effectively improved.

Description

Double-sided circuit board convenient to installation

Technical Field

The utility model relates to the technical field of circuit boards, in particular to a double-sided circuit board convenient to mount.

Background

The circuit board has the name: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, PCB board, aluminum substrate, high frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, printed circuit board, etc., the circuit board makes the circuit miniaturized, visualized, play an important role in the mass production of fixed circuit and optimizing the layout of electrical appliances, the existing circuit board is packaged in the aluminum alloy box, the back of the circuit board is clung to the inner surface of the aluminum alloy board, and is fixed by bolts or other fixing modes, but the fixing mode needs a disassembling tool to take down the circuit board, the circuit board can be damaged by excessive force in the taking-down process, and the existing circuit board is sealed in the equipment box, heat can be generated in the using process of the circuit board, the traditional circuit board generally has natural heat dissipation and low heat dissipation efficiency, high temperatures for extended periods of time can lead to damage to the circuit board.

Therefore, a double-sided circuit board convenient to mount is designed.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a double-sided circuit board convenient to mount, and solves the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a two-sided circuit board convenient to installation, includes roof, equipment box, heat abstractor and pops out the device, the roof below is provided with the equipment box, and the inside circuit board body that is provided with of equipment box, circuit board body lower surface are provided with a plurality of groups connecting rod, and fixed surface connects in circuit board body lower surface on the connecting rod, and the spacing groove has been seted up to the connecting rod side surface, and circuit board body below is provided with heat abstractor, and a plurality of groups mounting groove have been seted up to equipment box lateral wall, and every group mounting groove corresponds with a set of connecting rod respectively mutually.

Furthermore, a plurality of groups of threaded holes are formed in the upper surface of the top plate, and a group of bolts is arranged in each group of threaded holes.

Further, a plurality of groups of threaded holes are formed in the upper surface of the side wall of the equipment box, each group of threaded holes correspond to the threaded holes formed in the upper surface of the top plate, a plurality of groups of radiating holes are formed in the outer surface of the outer side of the equipment box and are communicated with the inside of the equipment box, a plurality of groups of through holes are formed in the outer surfaces of the two sides of the equipment box respectively, and the through holes are communicated with the inside of the mounting groove.

Further, the heat dissipation device comprises heat dissipation fins, heat dissipation fans and fixing pieces, wherein the lower surfaces of the heat dissipation fins are provided with two groups of fixing pieces, the upper surfaces of the fixing pieces of each group are fixedly connected to the lower surfaces of the heat dissipation fins, the upper surfaces of the fixing pieces of each group are provided with threaded holes, bolts penetrate through the threaded holes formed in the upper surfaces of the fixing pieces to enable the lower surfaces of the heat dissipation fins to be movably connected to the inner bottom plate of the equipment box, and two groups of heat dissipation fans are arranged on two sides of each heat dissipation fin respectively.

Further, the ejection device comprises an ejection button and a limiting buckle, one side of the ejection button is arranged on the outer surface of one side of the equipment box, the side surface of the ejection button is fixedly connected with one end of a reset spring, the other end of the reset spring is fixedly connected with the outer surface of the side wall of the equipment box, one end of the ejection button extends into the installation groove through a through hole formed in one side of the equipment box, the lower surface of one end of the ejection button extending into the installation groove is arranged on the upper surface of the limiting buckle, the outer surfaces of the two sides of the limiting buckle are movably connected between the inner walls of the two sides of the installation groove, the lower surface of the limiting buckle is provided with a compression spring, one end of the compression spring is fixedly connected with the side surface of the limiting buckle, the other end of the compression spring is fixedly connected with the upper surface of the inner wall of the installation groove, one side of the compression spring is parallelly provided with another group of compression springs, one end of the another group of the compression springs is fixedly connected with the upper surface of the inner wall of the installation groove, the other end of the other group of compression springs is movably arranged at one end of the connecting rod.

Furthermore, two groups of connecting sheets are arranged on two sides of the cooling fan, a threaded hole is formed in the upper surface of each group of connecting sheets, and a bolt is arranged in each threaded hole and enables the lower surface of the cooling fan to be movably connected to the inner bottom plate of the equipment box.

The utility model has the beneficial effects that: 1. the utility model discloses a, through being provided with pop-up device, the effectual current circuit board encapsulation of having solved is in the aluminum alloy box, and the internal surface of aluminum alloy plate is being hugged closely at the back of circuit board to use the bolt or other fixed mode is fixed, but this kind of fixed mode needs extracting tool just can take off the circuit board, takes off the damage that the in-process was too violent to lead to the circuit board hard, has effectively improved the installation effectiveness.

2. The utility model discloses a, through being provided with heat abstractor, the effectual current circuit board of having solved seals inside the equipment box, has thermal production in the circuit board use, and traditional circuit board generally is the natural heat dissipation, and under the radiating efficiency, long-time high temperature can lead to the damage of circuit board.

Drawings

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is a schematic view of the ejecting apparatus according to the present invention; fig. 3 is a schematic structural diagram of the heat dissipation device of the present invention.

In the figure: 1. a top plate; 2. an equipment box; 3. a heat sink; 4. an ejection device; 5. a circuit board body; 6. a connecting rod; 7. a bolt; 8. a heat dissipating fin; 9. a heat radiation fan; 10. a fixing sheet; 11. mounting grooves; 12. an eject button; 13. a limiting buckle; 14. a return spring; 15. a compression spring; 16. and (7) connecting the sheets.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to FIGS. 1-3: the utility model provides a two-sided circuit board convenient to installation, including roof 1, equipment box 2, heat abstractor 3 and pop out device 4, a plurality of groups screw hole have been seted up to 1 upper surface of roof, every internal portion of screw hole of group is provided with a set of

bolt

7, 1 below of roof is provided with

equipment box

2, 2 internal portions of equipment box are provided with

circuit board body

5, 5 lower surfaces of circuit board body are provided with a plurality of groups connecting rod 6, fixed surface connects in 5 lower surfaces of circuit board body on connecting rod 6, the spacing groove has been seted up to 6 side surfaces of connecting rod, 5 below of circuit board body are provided with

heat abstractor

3, 2 lateral walls of equipment box have been seted up a plurality of groups mounting groove 11, every group mounting groove 11 corresponds with a set of connecting rod 6 respectively mutually.

Wherein, a plurality of groups screw hole have been seted up to 2 lateral wall upper surfaces of equipment box, the screw hole that every group screw hole and roof 1 upper surface were seted up corresponds mutually, operating personnel only need twist off bolt 7 alright with take off the apron, make things convenient for the dismantlement of roof 1 and equipment box 2, a plurality of groups louvre have been seted up to 2 outside surfaces of equipment box, the louvre communicates with 2 inside each other of equipment box, a plurality of groups through-hole have been seted up respectively to 2 both sides surfaces of equipment box, the through-hole communicates with 11 inside each other of mounting groove, the louvre can give out the heat that the circuit board during operation produced.

Referring to fig. 3, wherein the heat sink 3 includes heat dissipating fins 8, radiator fan 9 and stationary blade 10, radiator fin 8 lower surface is provided with two sets of stationary blades 10, fixed surface connects in radiator fin 8 lower surface on every stationary blade 10 upper surface of group, threaded hole is seted up to every stationary blade 10 upper surface of group, bolt 7 passes the screw hole that the upper surface of stationary blade 10 was seted up and makes radiator fin 8 lower surface swing joint on the inside bottom plate of equipment box 2, radiator fin 8 both sides are provided with two sets of radiator fan 9 respectively, radiator fan 9 both sides are provided with two sets of connection pieces 16, threaded hole is seted up to every connection piece 16 upper surface of group, threaded hole inside is provided with bolt 7, bolt 7 makes radiator fan 9 lower surface swing joint on the inside bottom plate of equipment box 2, radiator fin 8 absorbs the produced heat of circuit board, radiator fan 9 can give off heat from the louvre with higher speed.

Referring to fig. 2, wherein the ejecting device 4 comprises an ejecting button 12 and a limiting buckle 13, one side of the ejecting button 12 is disposed on the outer surface of one side of the equipment box 2, the side surface of the ejecting button 12 is fixedly connected to one end of a return spring 14, the other end of the return spring 14 is fixedly connected to the outer surface of the side wall of the equipment box 2, one end of the ejecting button 12 extends into the installation groove 11 through a through hole formed in one side of the equipment box 2, the lower surface of one end of the ejecting button 12 extending into the installation groove 11 is disposed on the upper surface of the limiting buckle 13, the outer surfaces of two sides of the limiting buckle 13 are movably connected between the inner walls of two sides of the installation groove 11, the lower surface of the limiting buckle 13 is provided with a compression spring 15, one end of the compression spring 15 is fixedly connected to the side surface of the limiting buckle 13, the other end of the compression spring 15 is fixedly connected to the upper surface of the inner wall of the installation groove 11, and one side of the compression spring 15 is provided with another set of compression springs 15 in parallel, another 15 one end fixed connection of group compression spring in mounting groove 11 inner wall upper surface, another 15 other end activities of group compression spring set up in connecting rod 6 one end, only need press connecting rod 6 alignment mounting groove 11 during the circuit board installation, connecting rod 6 spacing groove blocks spacing buckle 13, only need press pop-up button 12 when the circuit board needs to take off, pop-up button 12 pushes down spacing buckle 13, spacing buckle 13 loosens connecting rod 6, the circuit board pops out.

In conclusion, when the heat dissipation device 3 is arranged, the problems that the conventional circuit board is packaged in an aluminum alloy box, the back surface of the circuit board is tightly attached to the inner surface of the aluminum alloy plate and is fixed by using the bolt 7 or other fixing modes, but the circuit board can be taken down by using a disassembling tool in the fixing mode, the circuit board is possibly damaged by too hard force in the taking-down process, the mounting efficiency is effectively improved, the heat dissipation device 3 effectively solves the problems that the conventional circuit board is sealed in the equipment box 2, heat is generated in the use process of the circuit board, the conventional circuit board generally naturally dissipates heat, the heat dissipation efficiency is low, and the circuit board is damaged by long-time high temperature are solved.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a two-sided circuit board convenient to installation, includes roof (1), equipment box (2), heat abstractor (3) and pops out device (4), its characterized in that: roof (1) below is provided with equipment box (2), and inside circuit board body (5) that is provided with of equipment box (2), circuit board body (5) lower surface are provided with a plurality of groups connecting rod (6), and fixed surface connects in circuit board body (5) lower surface on connecting rod (6), and the spacing groove has been seted up to connecting rod (6) side surface, and circuit board body (5) below is provided with heat abstractor (3), and a plurality of groups mounting groove (11) have been seted up to equipment box (2) lateral wall, and every group mounting groove (11) corresponds mutually with a set of connecting rod (6) respectively.

2. A double-sided circuit board for easy mounting according to claim 1, wherein: a plurality of groups of threaded holes are formed in the upper surface of the top plate (1), and a group of bolts (7) is arranged in each group of threaded holes.

3. A double-sided circuit board for easy mounting according to claim 1, wherein: a plurality of groups of threaded holes are formed in the upper surface of the side wall of the equipment box (2), each group of threaded holes correspond to the threaded holes formed in the upper surface of the top plate (1), a plurality of groups of radiating holes are formed in the outer side surface of the equipment box (2), the radiating holes are communicated with the inside of the equipment box (2), a plurality of groups of through holes are formed in the outer side surfaces of the two sides of the equipment box (2) respectively, and the through holes are communicated with the inside of the mounting groove (11).

4. A double-sided circuit board for easy mounting according to claim 1, wherein: the heat dissipation device (3) comprises heat dissipation fins (8), heat dissipation fans (9) and fixing pieces (10), wherein two groups of fixing pieces (10) are arranged on the lower surfaces of the heat dissipation fins (8), the upper surface of each group of fixing pieces (10) is fixedly connected to the lower surfaces of the heat dissipation fins (8), threaded holes are formed in the upper surface of each group of fixing pieces (10), bolts (7) penetrate through the threaded holes formed in the upper surfaces of the fixing pieces (10) to enable the lower surfaces of the heat dissipation fins (8) to be movably connected to the inner bottom plate of the equipment box (2), and two groups of heat dissipation fans (9) are arranged on two sides of each heat dissipation fin (8) respectively.

5. A double-sided circuit board for easy mounting according to claim 1, wherein: the ejection device (4) comprises an ejection button (12) and a limiting buckle (13), one side of the ejection button (12) is arranged on the outer surface of one side of the equipment box (2), the side surface of the ejection button (12) is fixedly connected with one end of a reset spring (14), the other end of the reset spring (14) is fixedly connected with the outer surface of the side wall of the equipment box (2), one end of the ejection button (12) penetrates through a through hole formed in one side of the equipment box (2) and extends into the installation groove (11), the lower surface of one end, extending to the inside of the installation groove (11), of the ejection button (12) is arranged on the upper surface of the limiting buckle (13), the outer surfaces of two sides of the limiting buckle (13) are movably connected between the inner walls of two sides of the installation groove (11), a compression spring (15) is arranged on the lower surface of the limiting buckle (13), one end of the compression spring (15) is fixedly connected with the side surface of the limiting buckle (13), the other end of the compression spring (15) is fixedly connected with the upper surface of the inner wall of the installation groove (11), one side of each compression spring (15) is provided with another group of compression springs (15) in parallel, one ends of the other groups of compression springs (15) are fixedly connected to the upper surface of the inner wall of the mounting groove (11), and the other ends of the other groups of compression springs (15) are movably arranged at one end of the connecting rod (6).

6. A double-sided circuit board for easy mounting according to claim 4, wherein: two sides of the cooling fan (9) are provided with two groups of connecting pieces (16), the upper surface of each group of connecting pieces (16) is provided with a threaded hole, a bolt (7) is arranged in the threaded hole, and the bolt (7) enables the lower surface of the cooling fan (9) to be movably connected to a bottom plate in the equipment box (2).