CN216873476U

CN216873476U - PCB carrier

Info

Publication number: CN216873476U
Application number: CN202220136601.5U
Authority: CN
Inventors: 肖灯炎; 向往
Original assignee: Huizhou Espu Photoelectric Co ltd
Current assignee: Huizhou Espu Photoelectric Co ltd
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2022-07-01
Anticipated expiration: 2032-01-14

Abstract

The utility model relates to a PCB carrier, comprising: the base, support plate and clamp plate, spacing downthehole at the circuit board through a plurality of locating piece gomphosis on the support plate, can fix the circuit board, cooperate first magnetic path and second magnetic path to be connected with the lateral wall magnetism of first spacing groove and second spacing groove respectively, the clamp plate can the pressfitting on the circuit board, further fix the circuit board, and simultaneously, first holding hole and second holding hole have been seted up on support plate and the clamp plate respectively, can hold components and parts, be convenient for carry out accurate assembly components and parts on relevant position, avoid components and parts direct and support plate butt, can also in time distribute away with the heat that produces man-hour, the phenomenon that takes place bending deformation or break away from when avoiding appearing the circuit board through high temperature welding.

Description

PCB carrier

Technical Field

The utility model relates to the technical field of LED lamp panel production and processing, in particular to a PCB carrier.

Background

A Printed Circuit Board (PCB) is an electronic component Printed and spatially arranged for mounting electronic components. SMT (Surface Mount Technology) is a circuit mounting Technology in which Surface-mounted components without leads or short leads are mounted on the Surface of a PCB and soldered and assembled by reflow or dip soldering.

When circuit board circuit assembly operation is carried out under equipment such as a reflow oven, the existing carrier is easy to damage the surface-mounted components, so that the welding reject ratio is increased.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need for a PCB carrier.

The technical scheme for solving the technical problems is as follows: a PCB carrier, comprising: the device comprises a base, a carrier plate and a pressing plate;

the base is provided with a placing groove, the carrier plate is arranged in the placing groove, the carrier plate is provided with a plurality of first accommodating holes, and each first accommodating hole penetrates through the carrier plate;

the carrier plate is provided with a plurality of positioning blocks, and the positioning blocks are embedded in the limiting holes of the circuit board;

a first limiting groove and a second limiting groove are respectively formed in two ends of the carrier plate, a first magnetic block and a second magnetic block are respectively arranged in two ends of the pressing plate, the first magnetic block is arranged in the first limiting groove, and the second magnetic block is arranged in the second limiting groove;

the pressing plate is provided with a plurality of second containing holes, and the second containing holes penetrate through the pressing plate.

In one embodiment, the first limiting groove and the second limiting groove have the same length, and two ends of the first limiting groove and two ends of the second limiting groove are staggered.

In one embodiment, the carrier plate comprises: the two ends of each first transverse rod are respectively connected to one opposite inner side wall of the first annular frame, the two ends of each first vertical rod are respectively connected to the other opposite inner side wall of the first annular frame, the first transverse rods are parallel to each other, the first vertical rods are parallel to each other, the first transverse rods and the first vertical rods are connected in a staggered mode, each first transverse rod is perpendicular to each first vertical rod, and a plurality of first accommodating holes are formed between each first transverse rod and each first vertical rod at intervals.

In one embodiment, the positioning block is disposed on the first transverse rod or the first vertical rod, and the first limiting groove and the second limiting groove are opened at two ends of the first annular frame.

In one embodiment, the platen comprises: the two ends of each second transverse rod are respectively connected to one opposite inner side wall of the second annular frame, the two ends of each second vertical rod are respectively connected to the other opposite inner side wall of the second annular frame, the second transverse rods are parallel to each other, the second vertical rods are parallel to each other, the second transverse rods and the second vertical rods are connected in a staggered mode, each second transverse rod is perpendicular to each second vertical rod, and a plurality of second accommodating holes are formed between each second transverse rod and each second vertical rod at intervals.

In one embodiment, the first and second magnetic blocks are disposed on both ends of the second ring frame, respectively.

In one embodiment, the device further comprises a limiting rod, through holes are formed in two sides of the second annular frame, engaging grooves are formed in two sides of the first annular frame, a first end of the first limiting rod penetrates through the through holes and then is engaged in the engaging grooves, and the width of a second end of the first limiting rod is larger than the aperture of the through holes.

In one embodiment, the two ends of the base are respectively provided with a taking notch, the taking notch penetrates through the base, and the taking notch is communicated with the placing groove.

In one embodiment, the cross section of the first limiting groove is trapezoidal or triangular, and the cross section of the first magnetic block is matched with that of the first limiting groove.

In one embodiment, the cross section of the second limiting groove is trapezoidal or triangular, and the cross section of the second magnetic block is matched with that of the second limiting groove.

The utility model has the beneficial effects that: according to the PCB carrier, the circuit board is fixed by embedding the plurality of positioning blocks on the carrier plate into the limiting holes of the circuit board, the first magnetic block and the second magnetic block are matched and respectively magnetically connected with the side walls of the first limiting groove and the second limiting groove, the pressing plate can be pressed on the circuit board, components can be easily fixed and assembled on the circuit board, meanwhile, the carrier plate and the pressing plate are respectively provided with the first containing hole and the second containing hole, the components can be contained, the components are prevented from being directly abutted against the carrier plate, heat generated during processing can be timely dissipated, and the phenomenon that the circuit board is bent and deformed or separated during high-temperature welding is avoided.

Drawings

Fig. 1 is a schematic structural diagram of a PCB carrier according to an embodiment;

fig. 2 is a schematic structural diagram of a carrier according to an embodiment;

FIG. 3 is a schematic diagram of a platen according to one embodiment.

In the drawings, 10, a PCB carrier; 100. a base; 110. a placement groove; 120. taking the notch; 200. a carrier plate; 201. a first ring frame; 202. a first transverse bar; 203. a first vertical rod; 210. a first housing hole; 220. a first limit groove; 230. a second limit groove; 240. positioning blocks; 300. pressing a plate; 301. a second annular frame; 302. a second transverse bar; 303. a second vertical rod; 310. a second housing hole; 320. a first magnetic block; 330. a second magnetic block.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The technical solutions of the present invention will be further described below with reference to the accompanying drawings of the embodiments of the present invention, and the present invention is not limited to the following specific embodiments.

It should be understood that the same or similar reference numerals in the drawings of the embodiments correspond to the same or similar parts. In the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "front", "rear", "left", "right", "top", "bottom", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, it is only for convenience of description and simplicity of description, but does not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the patent, and the specific meanings of the terms will be understood by those skilled in the art according to specific situations.

In one embodiment, as shown in fig. 1 and 3, a PCB carrier 10 includes: a base 100, a carrier 200 and a press plate 300; a placing groove 110 is formed on the base 100, the carrier plate 200 is disposed in the placing groove 110, a plurality of first accommodating holes 210 are formed on the carrier plate 200, and each first accommodating hole 210 penetrates through the carrier plate 200; a plurality of positioning blocks 240 are arranged on the carrier plate 200, and the positioning blocks 240 are used for being embedded in limiting holes of the circuit board; a first limit groove 220 and a second limit groove 230 are respectively formed in two ends of the carrier plate 200, a first magnetic block 320 and a second magnetic block 330 are respectively arranged in two ends of the pressing plate 300, the first magnetic block 320 is arranged in the first limit groove 220, and the second magnetic block 330 is arranged in the second limit groove 230; the pressing plate 300 is provided with a plurality of second accommodating holes 310, and the second accommodating holes 310 penetrate through the pressing plate 300.

In this embodiment, the circuit board is a MiniLED circuit board, and may also be a MiniLED-FRPCB, namely, the MiniLED circuit board made of the FR-epoxy glass cloth laminated board can fix the circuit board by embedding a plurality of positioning blocks 240 on the carrier board 200 into the limiting holes of the circuit board, and the first magnet 320 and the second magnet 330 are matched to be respectively magnetically connected with the side walls of the first limiting groove 220 and the second limiting groove 230, the laminated board 300 can be pressed on the circuit board to further fix the circuit board, meanwhile, the first containing hole 210 and the second containing hole 310 are respectively formed in the support plate 200 and the pressing plate 300, so that components can be contained, the components can be accurately assembled at corresponding positions conveniently, the components are prevented from being directly abutted against the support plate 200, heat generated in machining can be timely dissipated, and the phenomenon that the circuit board is bent and deformed or separated during high-temperature welding is avoided.

In order to accurately press the pressing plate 300 on the carrier 200, in an embodiment, as shown in fig. 2, the lengths of the first limiting groove 220 and the second limiting groove 230 are equal, and two ends of the first limiting groove 220 and two ends of the second limiting groove 230 are staggered. Specifically, the cross section of the first position-limiting groove 220 is trapezoidal or triangular, the cross section of the first magnetic block 320 is matched with the cross section of the first position-limiting groove 220, the cross section of the second position-limiting groove 230 is trapezoidal or triangular, the cross section of the second magnetic block 330 is matched with the cross section of the second position-limiting groove 230, and the lengths of the first magnetic block 320 and the second magnetic block 330 are respectively matched with the lengths of the first position-limiting groove 220 and the second position-limiting groove 230, so that when the first magnetic block 320 is magnetically connected with the side wall of the first position-limiting groove 220 and the second magnetic block 330 is magnetically connected with the side wall of the second position-limiting groove 230, the pressing plate 300 can be pressed on the carrier plate 200 to fix the circuit board, otherwise, the pressing plate 300 cannot be pressed on the carrier plate 200, and the pressing plate 300 can be accurately pressed on the carrier plate 200.

In one embodiment, as shown in fig. 2, the carrier board 200 includes: the structure comprises a first annular frame 201, a plurality of first transverse rods 202 and a plurality of first vertical rods 203, wherein two ends of each first transverse rod 202 are respectively connected to one opposite inner side wall of the first annular frame 201, two ends of each first vertical rod 203 are respectively connected to the other opposite inner side wall of the first annular frame 201, the first transverse rods 202 are parallel to each other, the first vertical rods 203 are parallel to each other, the first transverse rods 202 and the first vertical rods 203 are connected in a staggered manner, each first transverse rod 202 is perpendicular to each first vertical rod 203, and a plurality of first accommodating holes 210 are formed between each first transverse rod 202 and each first vertical rod 203 at intervals. Specifically, the first limiting groove 220 and the second limiting groove 230 are provided at two ends of the first annular frame 201, a central axis of each first transverse rod 202 and a central axis of each first vertical rod 203 are on the same plane, the positioning block 240 is provided on the first transverse rod 202 or the first vertical rod 203, and each first accommodating hole 210 is used for accommodating components of a circuit board and plays a role in heat dissipation and ventilation. Further, a third transverse rod may be further disposed between two adjacent first vertical rods 203, a third vertical rod may be further disposed between two adjacent first transverse rods 202, and the number and the distribution positions of the third transverse rods and the third vertical rods may be set according to the distribution positions of the components of the circuit board, which is not specifically limited in this embodiment.

In one embodiment, the first annular frame 201 is provided with an annular groove, the annular groove is provided on the inner side wall of the first annular frame 201, the depth of the annular groove is adapted to the thickness of the circuit board, so that when the circuit board is placed on the carrier 200, the peripheral edge of the carrier 200 is located in the annular groove, the circuit board is flush with the surface of the carrier 200, and the pressing plate 300 can be pressed on the carrier 200 more smoothly.

In one embodiment, the four corners of the first ring-shaped frame 201 are respectively provided with corner stoppers, the shape of the corner stoppers is L-shaped, and the shape and size of the four corner stoppers are matched with the shape and size of the pressing plate 300, so that when the pressing plate 300 is pressed on the carrier 200, the four corners of the pressing plate 300 are respectively abutted against one of the corner stoppers, and the position of the pressing plate 300 on the carrier 200 can be further limited.

In one embodiment, as shown in fig. 3, the platen 300 includes: the second ring-shaped frame 301, a plurality of second horizontal rods 302 and a plurality of second vertical rods 303, two ends of each second horizontal rod 302 are respectively connected to one opposite inner side wall of the second ring-shaped frame 301, two ends of each second vertical rod 303 are respectively connected to the other opposite inner side wall of the second ring-shaped frame 301, the second horizontal rods 302 are parallel to each other, the second vertical rods 303 are parallel to each other, the second horizontal rods 302 and the second vertical rods 303 are connected in a staggered manner, each second horizontal rod 302 is perpendicular to each second vertical rod 303, and a plurality of second accommodating holes 310 are formed between each second horizontal rod 302 and each second vertical rod 303 at intervals. Specifically, the first magnetic block 320 and the second magnetic block 330 are respectively disposed at two ends of the second annular frame 301, a central axial direction of each second transverse rod 302 and a central axial direction of each second vertical rod 303 are on the same plane, and each second accommodating hole 310 can divide the circuit board into a plurality of processing areas, so that components can be mounted on the circuit board, and a heat dissipation and ventilation effect can be achieved. Further, a fourth transverse rod may be further disposed between two adjacent second vertical rods 303, a fourth vertical rod may be further disposed between two adjacent second transverse rods 302, and the number and the distribution position of the fourth transverse rods and the fourth vertical rods may be set according to the distribution position of components of the circuit board, which is not specifically limited in this embodiment.

In order to enable the pressing plate 300 to be pressed on the carrier 200 more stably, in one embodiment, the PCB carrier 10 further includes a limiting rod, through holes are formed on two sides of the second annular frame 301, engaging grooves are formed on two sides of the first annular frame 201, a first end of the first limiting rod passes through the through holes and then engages in the engaging grooves, and a second end of the first limiting rod has a width greater than a diameter of the through holes. Specifically, an annular boss is arranged at the second end of the first limiting rod, the width of the second end of the first limiting rod is larger than that of the first end of the first limiting rod, and the width of the first end of the first limiting rod is matched with the aperture of the through hole, so that when the first end of the first limiting rod penetrates through the through hole and then is embedded in the embedding groove, the annular boss is abutted to the pressing plate 300, the pressing plate 300 can be pressed on the support plate 200 more stably, the periphery of the pressing plate 300 can be tightly connected with the support plate 200, and a circuit board placed on the support plate 200 can be better fixed.

In one embodiment, as shown in fig. 1, two ends of the base 100 are respectively provided with a taking notch 120, the taking notch 120 penetrates through the base 100, and the taking notch 120 is communicated with the placing groove 110, so that two ends of the carrier 200 can be directly taken through the taking notch 120, which is convenient for taking the carrier 200 out of the base 100 or placing the carrier 200 on the base 100.

In one embodiment, the surface of the positioning block 240 is sleeved with a protective layer, the protective layer is a rubber layer, the rubber has good elasticity, when the positioning block 240 is embedded in the limiting hole on the circuit board, the rubber can be elastically deformed, the rubber layer is in close contact with the side wall of the limiting hole on the circuit board, the friction force between the positioning block 240 and the side wall of the limiting hole on the circuit board can be increased, and the circuit board can be more stably fixed.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A PCB carrier, comprising: the device comprises a base, a carrier plate and a pressing plate;

the carrier plate is provided with a plurality of positioning blocks, and the positioning blocks are used for being embedded in limiting holes of the circuit board;

2. The PCB carrier of claim 1, wherein the first and second limiting grooves have the same length, and two ends of the first limiting groove are staggered from two ends of the second limiting groove.

3. The PCB carrier of claim 1, wherein the carrier includes: the two ends of each first transverse rod are respectively connected to one opposite inner side wall of the first annular frame, the two ends of each first vertical rod are respectively connected to the other opposite inner side wall of the first annular frame, the first transverse rods are parallel to each other, the first vertical rods are parallel to each other, the first transverse rods and the first vertical rods are connected in a staggered mode, each first transverse rod is perpendicular to each first vertical rod, and a plurality of first accommodating holes are formed between each first transverse rod and each first vertical rod at intervals.

4. The PCB carrier of claim 3, wherein the positioning block is disposed on the first transverse rod or the first vertical rod, and the first limiting groove and the second limiting groove are disposed on two ends of the first annular frame.

5. The PCB carrier of claim 4, wherein the platen comprises: the two ends of each second transverse rod are respectively connected to one opposite inner side wall of the second annular frame, the two ends of each second vertical rod are respectively connected to the other opposite inner side wall of the second annular frame, the second transverse rods are parallel to each other, the second vertical rods are parallel to each other, the second transverse rods and the second vertical rods are connected in a staggered mode, each second transverse rod is perpendicular to each second vertical rod, and a plurality of second accommodating holes are formed between each second transverse rod and each second vertical rod at intervals.

6. The PCB carrier of claim 5, wherein the first and second magnetic blocks are disposed on two ends of the second ring frame, respectively.

7. The PCB carrier of claim 6, further comprising a limiting rod, wherein two sides of the second annular frame are provided with through holes, two sides of the first annular frame are provided with engaging grooves, a first end of the first limiting rod passes through the through holes and then is engaged in the engaging grooves, and a second end of the first limiting rod has a width larger than a hole diameter of the through holes.

8. The PCB carrier of claim 1, wherein the base has two ends respectively opened with a picking notch, the picking notch penetrates through the base, and the picking notch is communicated with the placing groove.

9. The PCB carrier of claim 1, wherein the cross-sectional shape of the first position-limiting groove is trapezoidal or triangular, and the cross-sectional shape of the first magnetic block is matched with the cross-sectional shape of the first position-limiting groove.

10. The PCB carrier of claim 9, wherein the cross-sectional shape of the second position-limiting groove is trapezoidal or triangular, and the cross-sectional shape of the second magnetic block is matched with the cross-sectional shape of the second position-limiting groove.