CN215991411U

CN215991411U - PCB board mosaic structure

Info

Publication number: CN215991411U
Application number: CN202121443845.XU
Authority: CN
Inventors: 李国庆; 文胜民
Original assignee: Zhuhai Handa Technology Co ltd
Current assignee: Zhuhai Handa Technology Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2022-03-08
Anticipated expiration: 2031-06-28

Abstract

The utility model belongs to the technical field of PCBs (printed circuit boards), and particularly relates to a PCB splicing structure which comprises a substrate main body, wherein the middle part of the upper surface of the substrate main body is fixedly provided with the PCB main body, one side end surface of the substrate main body is provided with a channel, two sides of the channel are symmetrically provided with fixed blocks, one side end surface of each fixed block is fixedly connected with the substrate main body, the fixed blocks are provided with first grooves, openings of the first grooves on the two fixed blocks are opposite, a connecting plate is arranged in each first groove in a sliding mode, one end of each connecting plate extends outwards and is fixedly connected with a first clamping plate, the bottom of the side wall of each fixed block is fixedly connected with a second clamping plate, the second clamping plates are positioned below the first clamping plates, and a channel is formed in each connecting plate; through wrench movement screw rod, first grip block and second grip block can realize fixing the PCB board, and the friction point can be avoided after the installation, and the gliding condition takes place for the PCB board.

Description

PCB board mosaic structure

Technical Field

The utility model belongs to the technical field of PCB boards, and particularly relates to a PCB board splicing structure.

Background

A PCB, i.e., a printed wiring board, which is called a printed board for short, is one of important parts in the electronic industry. The PCB is widely used in electronic devices, and in some large-scale electronic devices, a plurality of PCBs are generally required. In the process of mounting the PCB, the PCB generally needs to be mounted by splicing.

In the prior art, the PCB splicing mode is troublesome, for example, two PCBs are easy to loosen after the PCB splicing is finished; when two PCBs with different sizes are installed, the condition of uneven occurrence is easily caused during splicing, and the production requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

Based on the defects in the prior art, the utility model provides the PCB splicing structure, the first clamping plate and the second clamping plate can fix the PCB by twisting the screw rod, and the friction point can avoid the sliding of the PCB after installation; when the PCB boards with different widths are spliced, the clamping plates further fix and adjust the length of the spliced PCB boards, so that the PCB board splicing efficiency is higher.

The purpose of the utility model can be realized by the following technical scheme:

a PCB board splicing structure comprises a substrate main body, wherein the PCB board main body is fixedly arranged in the middle of the upper surface of the substrate main body, a channel is formed in one side end surface of the substrate main body, fixing blocks are symmetrically arranged on two sides of the channel, one side end surface of each fixing block is fixedly connected with the substrate main body, a first groove is formed in each fixing block, openings of the first grooves in the two fixing blocks are opposite, a connecting plate is arranged in each first groove in a sliding mode, one end of each connecting plate extends outwards and is fixedly connected with a first clamping plate, the bottom of the side wall of each fixing block is fixedly connected with a second clamping plate, the second clamping plate is positioned below the first clamping plate, a channel is formed in each connecting plate, a screw is screwed in the channel, one end of the screw is rotatably connected with the second clamping plate through a bearing, and a fixing rod is sleeved on one side, away from the first clamping plate, of the connecting plate, one end of the fixed rod is fixedly connected with the inner wall of the fixed block, and the other end of the fixed rod is positioned above the fixed block.

As a preferable technical scheme of the PCB splicing structure, friction points are respectively arranged on opposite surfaces between the first clamping plate and the second clamping plate.

According to the preferred technical scheme of the PCB splicing structure, the inner wall of the base plate main body is symmetrically provided with the cavities, one side of each cavity is communicated with the channel, the tensioning spring is arranged in each cavity, one end of each tensioning spring is fixedly connected with the inner wall of the base plate main body, the other end of each tensioning spring is fixedly connected with the connecting rod, one end of each connecting rod is fixedly provided with the clamping piece, the rotating shaft is arranged between the two clamping pieces, two ends of each rotating shaft are respectively and rotatably connected with the two clamping pieces, the connecting position of each rotating shaft is provided with the bearing, the middle of each rotating shaft is sleeved with the movable plate, and one side of each movable plate is fixedly connected with the clamping plate.

As a preferable technical scheme of the PCB splicing structure, a plurality of connecting grooves are formed in the top surface of the substrate main body positioned on one side of the PCB main body, and a plurality of connecting sheets are arranged on the top surface of the substrate main body positioned on the other side of the PCB main body.

The utility model has the beneficial effects that:

(1) through wrench movement screw rod, first grip block and second grip block can realize fixing the PCB board, and the friction point can be avoided after the installation, and the gliding condition takes place for the PCB board.

(2) Through setting up the pinch-off blades, when the PCB board that is facing the width difference splices, the spring force drive pinch-off blades of tensioning spring further fixes and adjusts the length of concatenation to the PCB board, makes PCB board concatenation efficiency higher.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a schematic view of the main body of the substrate of the present invention;

FIG. 3 is a side view of the substrate body with internal structure;

FIG. 4 is an enlarged schematic view of A in FIG. 1;

fig. 5 is a schematic view of the internal structure of the fixing block according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a substrate main body; 2. a PCB board main body; 3. a channel; 4. a fixed block; 5. a first groove; 6. a connecting plate; 7. a first clamping plate; 8. a second clamping plate; 9. a channel; 10. a screw; 11. fixing the rod; 12. a friction point; 13. a cavity; 14. tensioning the spring; 15. a connecting rod; 16. a clip; 17. a rotating shaft; 18. a movable plate; 19. a clamping plate; 20. connecting grooves; 21. and (7) connecting the sheets.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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 fig. 1-5, a PCB splicing structure includes a substrate main body 1, a PCB main body 2 is fixedly disposed in the middle of the upper surface of the substrate main body 1, a channel 3 is disposed on one side end surface of the substrate main body 1, fixing blocks 4 are symmetrically disposed on two sides of the channel 3, one side end surface of each fixing block 4 is fixedly connected to the substrate main body 1, a first groove 5 is disposed on each fixing block 4, openings of the first grooves 5 on the two fixing blocks 4 are opposite, a connecting plate 6 is slidably disposed in the first groove 5, one end of the connecting plate 6 extends outwards and is fixedly connected to a first clamping plate 7, a second clamping plate 8 is fixedly connected to the bottom of the side wall of each fixing block 4, the second clamping plate 8 is located below the first clamping plate 7, a channel 9 is disposed on the connecting plate 6, and a screw 10 is screwed into the internal thread of the channel 9, one end of the screw rod 10 is rotatably connected with the second clamping plate 8 through a bearing, one side, far away from the first clamping plate 7, of the connecting plate 6 is sleeved with a fixing rod 11, one end of the fixing rod 11 is fixedly connected with the inner wall of the fixing block 4, and the other end of the fixing rod is located above the fixing block 4.

Specifically, the opposite surfaces between the first clamping plate 7 and the second clamping plate 8 are respectively provided with friction points 12.

In the embodiment, the screw 10 is loosened, the connecting plate 6 slides upwards on the fixing rod 11, the screw 10 is screwed after the PCB slides into the channel 3, and the first clamping plate 7 and the second clamping plate 8 fix the PCB; through wrench movement screw rod 10, first grip block 7 can be realized fixing the PCB board with second grip block 8, and the gliding condition takes place for the PCB board after the installation can be avoided to friction point 12.

Specifically, cavity 13 has been seted up to 1 inner wall symmetry of base plate main part, and cavity 13 one side communicates with each other with channel 3, the inside tensioning spring 14 that is provided with of cavity 13, tensioning spring 14's one end and 1 inner wall fixed connection of base plate main part, tensioning spring 14's other end fixedly connected with connecting rod 15, the one end of every connecting rod 15 is fixed all and is provided with clamping piece 16, is provided with pivot 17 between two clamping pieces 16, the both ends of pivot 17 rotate with two clamping pieces 16 respectively and are connected, and the junction is provided with the bearing, fly leaf 18 has been cup jointed at pivot 17 middle part, fly leaf 18 one side fixedly connected with pinch-off blades 19.

In this embodiment, when the PCB slides into the channel 3, the movable plate 18 is pressed on both sides of the PCB, the movable plate 18 tilts under the action of the rotating shaft 17, the pressing force of the movable plate 18 is transmitted to the tension spring 14, the counter-elastic force of the tension spring 14 acts on the movable plate 18, and the movable plate 18 tilts and then returns to be flush with the PCB during the sliding process of the PCB, so as to further fix the PCB; through setting up clamping plate 19, when the PCB board that faces the difference in width splices, the spring force drive clamping plate 19 of tensioning spring 14 further fixes and adjusts the length of concatenation to the PCB board, makes PCB board concatenation efficiency higher.

Specifically, the top surface of the substrate body 1 on one side of the PCB main body 2 is provided with a plurality of connecting grooves 20, and the top surface of the substrate body 1 on the other side of the PCB main body 2 is provided with a plurality of connecting pieces 21.

In this embodiment, the connecting groove 20 is electrically connected to the connecting sheet 21 of the spliced PCB board, and the connecting sheet 21 is electrically connected to the connecting groove 20 of the spliced PCB board.

The working method of the PCB splicing structure comprises the following steps:

the screw 10 is loosened, the connecting plate 6 slides upwards on the fixing rod 11, the screw 10 is screwed after the PCB slides into the channel 3, and the first clamping plate 7 and the second clamping plate 8 fix the PCB; the first clamping plate 7 and the second clamping plate 8 can fix the PCB by twisting the screw 10, and the friction points 12 can avoid the sliding of the PCB after installation; when the PCB slides into the channel 3, the two sides of the PCB firstly press the movable plate 18, the movable plate 18 tilts under the action of the rotating shaft 17, the pressing force of the movable plate 18 is transmitted to the tension spring 14, the counter-elastic force of the tension spring 14 acts on the movable plate 18, and the movable plate 18 tilts firstly and then returns to be flush with the PCB in the sliding process of the PCB, so that the PCB is further fixed; by arranging the clamping plate 19, when PCB boards with different widths are spliced, the spring force of the tension spring 14 drives the clamping plate 19 to further fix the PCB boards and adjust the splicing length, so that the PCB board splicing efficiency is higher; the connecting groove 20 is electrically connected with the spliced PCB connecting sheet 21, and the connecting sheet 21 is electrically connected with the spliced PCB connecting groove 20.

The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the utility model as defined in the accompanying claims.

Claims

1. A PCB splicing structure comprises a substrate main body (1) and is characterized in that a PCB main body (2) is fixedly arranged in the middle of the upper surface of the substrate main body (1), a channel (3) is formed in one side end surface of the substrate main body (1), fixing blocks (4) are symmetrically arranged on two sides of the channel (3), one side end surface of each fixing block (4) is fixedly connected with the substrate main body (1), a first groove (5) is formed in each fixing block (4), openings of the first grooves (5) on the two fixing blocks (4) are opposite, a connecting plate (6) is arranged in each first groove (5) in a sliding mode, one end of each connecting plate (6) extends outwards and is fixedly connected with a first clamping plate (7), the bottom of the side wall of each fixing block (4) is fixedly connected with a second clamping plate (8), and the second clamping plates (8) are located below the first clamping plates (7), the improved clamping device is characterized in that a channel (9) is formed in the connecting plate (6), a screw rod (10) is screwed in the inner thread of the channel (9), one end of the screw rod (10) is rotatably connected with the second clamping plate (8) through a bearing, a fixing rod (11) is sleeved on one side, away from the first clamping plate (7), of the connecting plate (6), one end of the fixing rod (11) is fixedly connected with the inner wall of the fixing block (4), and the other end of the fixing rod is located above the fixing block (4).

2. A PCB board splicing structure according to claim 1, wherein the opposite surfaces of the first clamping plate (7) and the second clamping plate (8) are respectively provided with friction points (12).

3. The PCB splicing structure of claim 2, wherein the inner wall of the substrate main body (1) is symmetrically provided with a cavity (13), one side of the cavity (13) is communicated with the channel (3), a tension spring (14) is arranged inside the cavity (13), one end of the tension spring (14) is fixedly connected with the inner wall of the substrate main body (1), the other end of the tension spring (14) is fixedly connected with a connecting rod (15), one end of each connecting rod (15) is fixedly provided with a clamping piece (16), a rotating shaft (17) is arranged between the two clamping pieces (16), two ends of the rotating shaft (17) are respectively rotatably connected with the two clamping pieces (16), a bearing is arranged at the joint, the middle part of the rotating shaft (17) is sleeved with a movable plate (18), and one side of the movable plate (18) is fixedly connected with a clamping plate (19).

4. The PCB splicing structure of claim 1, wherein a plurality of connecting grooves (20) are arranged on the top surface of the base plate main body (1) at one side of the PCB main body (2), and a plurality of connecting pieces (21) are arranged on the top surface of the base plate main body (1) at the other side of the PCB main body (2).