CN216357506U

CN216357506U - Soft and hard composite circuit board module

Info

Publication number: CN216357506U
Application number: CN202122636365.1U
Authority: CN
Inventors: 吴兴仁
Original assignee: Dongguan Zhonghaoxuan Electronic Technology Co ltd
Current assignee: Dongguan Zhonghaoxuan Electronic Technology Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-04-19
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses a soft and hard composite circuit board module which comprises a fixing plate, a first hard circuit board, a soft plate, a second hard circuit board, a cross plate, a connecting device and a mounting device. First stereoplasm circuit board detachable sets up on the fixed plate, and the bottom of fixed plate is connected with the cross, is provided with the connecting device that is used for being connected with the fixed plate on the cross and is used for the corresponding installation device who treats dress casing erection joint, and second stereoplasm circuit board sets up on the cross, is provided with the hole of keeping away who corresponds with second stereoplasm circuit board position on the fixed plate, connects through the soft board between first stereoplasm circuit board and the second stereoplasm circuit board. The soft and hard composite circuit board module can conveniently adjust the relative position between the first hard circuit board and the second hard circuit board, is favorable for installation, is convenient to assemble and disassemble with a shell to be assembled as a whole by arranging the connecting device and the installing device, and has strong installation compatibility.

Description

Soft and hard composite circuit board module

Technical Field

The utility model relates to the technical field of circuit boards, in particular to a soft and hard composite circuit board module.

Background

As research and development of electronic devices, such as smart phones, tablets and notebook computers, are gradually developing towards light, thin and high performance, research and development approaches of internal components, such as circuit boards, are also gradually developing in a miniaturized manner. Under the demand of light and thin terminal products, the application range of the soft board and the rigid-flex board is widened, and the existing rigid-flex composite circuit board module is basically fixedly connected with the mounting shell thereof through screws, so that the flexible mounting is inconvenient.

Therefore, it is necessary to provide a new flexible-rigid composite circuit board module to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problems, the present invention provides a rigid-flexible composite circuit board module to solve the problem that the rigid-flexible composite circuit board module in the prior art is inconvenient to be adjustably mounted.

The utility model provides a soft and hard composite circuit board module, which comprises a fixing plate, a first hard circuit board, a soft plate, a second hard circuit board, a cross plate, a connecting device and a mounting device, wherein the fixing plate is arranged on the first hard circuit board;

the first hard circuit board is detachably arranged on the fixing plate, the bottom of the fixing plate is connected with the cross plate, the cross plate is provided with a connecting device used for being connected with the fixing plate and a mounting device used for corresponding mounting connection of a shell to be mounted, the second hard circuit board is arranged on the cross plate, the fixing plate is provided with a position avoiding hole corresponding to the position of the second hard circuit board, and the first hard circuit board is connected with the second hard circuit board through the soft board, so that the position of the first hard circuit board is relatively adjustable with the position of the second hard circuit board.

Preferably, connecting device includes mounting groove, first spring, movable block, movable rod and connecting plate, the mounting groove has all been seted up to the tip of cross, the sliding surface of mounting groove is connected with the movable block, the fixed surface of movable block is connected with the movable rod, the surface cover of movable rod is equipped with first spring, the one end of first spring and the inner wall fixed connection of mounting groove, the other end and the movable block fixed connection of first spring, the movable rod slides and runs through the cross, two the one end fixedly connected with connecting plate that the movable block was kept away from to the movable rod, it is a plurality of the connecting plate is used for right the fixed plate forms the centre gripping.

Preferably, the fixed plate periphery is provided with the boss, the side of boss is provided with the joint hole, the connecting plate is extending structure, the connecting plate includes slip telescopic connection's first pars contractilis and second pars contractilis each other, pass through the fix with screw between first pars contractilis and the second pars contractilis, first pars contractilis with the movable rod is connected, the second pars contractilis with joint hole joint.

Preferably, the connecting plate is L-shaped.

Preferably, the initial state of the first spring is a compressed state.

Preferably, the surface of the movable block is fixedly connected with a limiting rod.

Preferably, the fixing plate is provided with an accommodating groove, and the first hard circuit board is clamped with the side wall of the accommodating groove through a clamping block.

Preferably, the mounting device comprises a second spring, a groove, fixing blocks, fixing columns and a mounting plate, the end of the cross plate is further provided with the groove, the groove is internally provided with the second spring, the two second springs are fixedly connected with the fixing blocks at the ends far away from the surface of the groove, the two fixing blocks are all in sliding connection with the groove, the fixing blocks are fixedly connected with the fixing columns, the fixing columns are all in sliding connection with the cross plate, the fixing columns are two fixing columns, the mounting plate is fixedly connected with the end far away from the fixing blocks, the mounting plate is of an L-shaped structure, and mounting holes are formed in the mounting plate.

Wherein an initial state of the second spring is a compressed state.

Preferably, the cross plate is fixedly connected with a plurality of connecting strips, and the connecting strips are glued with the second hard circuit board through an adhesive.

Compared with the related art, the soft and hard composite circuit board module provided by the utility model has the following beneficial effects: the soft and hard composite circuit board module can conveniently adjust the relative position between the first hard circuit board and the second hard circuit board, is favorable for installation, is convenient to assemble and disassemble with a shell to be assembled as a whole by arranging the connecting device and the installing device, and has strong installation compatibility.

Drawings

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

FIG. 2 is a second schematic view of the overall structure of the present invention;

FIG. 3 is a third schematic view of the overall structure of the present invention;

FIG. 4 is a schematic view of the connecting device of the present invention;

fig. 5 is an enlarged view of a portion of a structure in fig. 3.

Reference numbers in the figures: 1. a fixing plate; 2. a first hard circuit board; 21. a clamping block; 3. a soft board; 4. a second hard circuit board; 5. a cross plate; 6. a connecting device; 7. a mounting device; 8. mounting grooves; 9. a first spring; 10. a movable block; 11. a movable rod; 12. a connecting plate; 13. a limiting rod; 14. a second spring; 15. a groove; 16. a fixed block; 17. fixing a column; 18. mounting a plate; 181. mounting holes; 19. a boss; 20. and (4) connecting strips.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

Referring to fig. 1 to 4, a rigid-flexible composite circuit board module according to an embodiment of the present invention includes a fixing plate 1, a first rigid circuit board 2, a flexible board 3, a second rigid circuit board 4, a cross plate 5, a connecting device 6, and a mounting device 7;

the first hard circuit board 2 is detachably arranged on the fixing plate 1, the bottom of the fixing plate 1 is connected with the cross plate 5, the cross plate 5 is provided with the connecting device 6 used for being connected with the fixing plate 1 and the mounting device 7 used for being mounted and connected with a corresponding to-be-mounted shell (the to-be-mounted shell is a shell needing to be mounted with a circuit board module), the second hard circuit board 4 is arranged on the cross plate 5, the fixing plate 1 is provided with a position avoiding hole corresponding to the position of the second hard circuit board 4, the first hard circuit board 2 and the second hard circuit board 4 are connected through the soft plate 3, so that the position between the first hard circuit board 2 and the second hard circuit board 4 can be relatively adjusted, and the soft and hard composite circuit board module can be mounted to different styles through adjustment and adaptation, On the product that the structure has certain slight difference, the installation compatibility is high, simple to operate.

Referring to fig. 3 and 4, the connecting device 6 includes a mounting groove 8, first springs 9, a movable block 10, a movable rod 11 and a connecting plate 12, the mounting groove 8 is formed in the end portion of the cross plate 5, the movable block 10 is slidably connected to the surface of the mounting groove 8, the movable rod 11 is fixedly connected to the surface of the movable block 10, the first spring 9 is sleeved on the surface of the movable rod 11, one end of the first spring 9 is fixedly connected to the inner wall of the mounting groove 8, the other end of the first spring 9 is fixedly connected to the movable block 10, the movable rod 11 slidably penetrates through the cross plate 5, one ends of the two movable rods 11, which are far away from the movable block 10, are fixedly connected to the connecting plate 12, and the connecting plates 12 are used for clamping the fixing plate 1 to play a connecting role and can ensure that the second hard circuit board 4 is stably mounted.

Referring to fig. 1 and 5, a boss 19 is disposed on the periphery of the fixing plate 1, a clamping hole is disposed on a side surface of the boss 19, the connecting plate 12 is of a telescopic structure, the connecting plate 12 includes a first telescopic portion 121 and a second telescopic portion 122 which are slidably and telescopically connected with each other, the first telescopic portion 121 and the second telescopic portion 122 are fixed by a screw 123, the first telescopic portion 121 is connected with the movable rod 11, the second telescopic portion 122 is clamped with the clamping hole, and the position of the first hard circuit board 2 can be adjusted by stretching of the connecting plate 12.

Referring to fig. 1, the connecting plate 12 is L-shaped, and it should be noted that the cross plate 5 and the fixing plate 1 are stably installed.

Referring to fig. 4, the initial state of the first spring 9 is a compressed state, and it should be noted that a reaction force generated by the first spring 9 being compressed acts on the surface of the movable block 10, and the connecting plate 12 is in close contact with the side wall of the fixed plate 1 by the elastic force of the first spring 9.

Referring to fig. 4, the surface of the movable block 10 is fixedly connected with a limiting rod 13, and it should be noted that, when one end of the limiting rod 13 far away from the movable block 10 contacts with the surface of the mounting groove 8, the first spring 9 reaches the maximum elastic limit, and the first spring 9 is prevented from generating plastic deformation.

Referring to fig. 1, an accommodating groove is formed in the fixing plate 1, the first hard circuit board 2 is clamped to a sidewall of the accommodating groove by a clamping block 21, and a connection position of the first hard circuit board 2 can be changed by designing a structural size of the clamping block 21.

Referring to fig. 3 and 2, the mounting device 7 includes a second spring 14, a groove 15, a fixing block 16, fixing posts 17 and a mounting plate 18, the end of the cross plate 5 is further provided with the groove 15, the second spring 14 is disposed in the groove 15, the fixing blocks 16 are fixedly connected to ends of the two second springs 14 far away from the surface of the groove 15, the two fixing blocks 16 are slidably connected to the groove 15, the fixing posts 17 are fixedly connected to the surface of the fixing blocks 16, the fixing posts 17 are slidably connected to the cross plate 5, the mounting plate 18 is fixedly connected to ends of the two fixing posts 17 far away from the fixing blocks 16, the mounting plate 18 is in an L-shaped structure, and the mounting plate 18 is provided with a mounting hole 181 to be mounted and connected to the housing to be mounted. It should be noted that, by using the elastic force of the second spring 14, the mounting plate 18 can hook the positioning protrusion on the to-be-mounted housing to form a positioning clamp, and meanwhile, a mating hole corresponding to the mounting hole 181 is provided on the to-be-mounted housing, and the mating hole is located on one side of the positioning protrusion.

Referring to fig. 2, the initial state of the second spring 14 is a compressed state, and it should be noted that, the initial state of the second spring 14 is a compressed state, and a reaction force generated by the compression of the second spring 14 acts on the surface of the fixed block 16, and when the mounting is performed, the second spring 14 is further compressed, so that the rubber pad 19 on the surface of the mounting plate 18 is in close contact with the surface of the mounting housing.

Referring to fig. 1 and 2, a rubber pad 19 is fixedly connected to the surface of the mounting plate 18, and it should be noted that sufficient friction force can be provided, so that the overall installation is stable.

Referring to fig. 2, the cross plate 5 is fixedly connected with the connecting strips 20, and the plurality of connecting strips 20 are all glued to the second hard circuit board 4 by an adhesive, and it should be noted that the contact surface between the cross plate 5 and the second hard circuit board 4 is increased to ensure stable connection.

The working principle of the soft-hard composite circuit board module provided by the utility model is as follows:

the second hard circuit board 4 is glued with the cross plate 5 through an adhesive, the initial state of the first spring 9 is a compressed state, the reaction force generated by the compression of the first spring 9 acts on the surface of the movable block 10, the connecting plate 12 is in close contact with the side wall of the fixed plate 1 by utilizing the elastic action of the first spring 9, the installation stability of the cross plate 5 is ensured, meanwhile, the arrangement stability of the second hard circuit board 4 is ensured, when the whole body is installed with a shell to be installed, the initial state of the second spring 14 is a compressed state, the reaction force generated by the compression of the second spring 14 acts on the surface of the fixed block 16, so that the fixed column 17 elastically slides, the installation plate 18 can hook the positioning lug on the shell to be installed to form positioning clamping, meanwhile, the installation hole 181 can be installed in a matching mode with the matching on the shell to be installed, and the whole body can be installed in a good adaptability mode, and the installation is stable.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A soft and hard composite circuit board module is characterized by comprising a fixing plate (1), a first hard circuit board (2), a soft board (3), a second hard circuit board (4), a cross plate (5), a connecting device (6) and a mounting device (7);

first stereoplasm circuit board (2) detachable sets up on fixed plate (1), the bottom of fixed plate (1) is connected with cross plate (5), be provided with on cross plate (5) be used for with fixed plate (1) are connected connecting device (6) and be used for corresponding treating dress casing erection joint installation device (7), second stereoplasm circuit board (4) set up on cross plate (5), be provided with on fixed plate (1) with the position hole of keeping away that second stereoplasm circuit board (4) position corresponds, first stereoplasm circuit board (2) with pass through between second stereoplasm circuit board (4) soft board (3) are connected, make first stereoplasm circuit board (2) with the position between second stereoplasm circuit board (4) is adjustable relatively.

2. The rigid-flexible composite circuit board module according to claim 1, wherein the connecting device (6) comprises a mounting groove (8), a first spring (9), a movable block (10), a movable rod (11) and a connecting plate (12), the mounting groove (8) is formed in each end of the cross plate (5), the movable block (10) is connected to the surface of the mounting groove (8) in a sliding manner, the movable rod (11) is fixedly connected to the surface of the movable block (10), the first spring (9) is sleeved on the surface of the movable rod (11), one end of the first spring (9) is fixedly connected to the inner wall of the mounting groove (8), the other end of the first spring (9) is fixedly connected to the movable block (10), the movable rod (11) penetrates through the cross plate (5) in a sliding manner, and the connecting plate (12) is fixedly connected to the ends of the two movable rods (11) far away from the movable block (10), the connecting plates (12) are used for clamping the fixing plate (1).

3. The soft-hard composite circuit board module according to claim 2, wherein a boss (19) is arranged on the periphery of the fixing plate (1), a clamping hole is formed in the side face of the boss (19), the connecting plate (12) is of a telescopic structure, the connecting plate (12) comprises a first telescopic portion (121) and a second telescopic portion (122) which are mutually connected in a sliding and telescopic mode, the first telescopic portion (121) and the second telescopic portion (122) are fixed through a screw (123), the first telescopic portion (121) is connected with the movable rod (11), and the second telescopic portion (122) is clamped with the clamping hole.

4. The soft-hard composite circuit board module according to claim 2, wherein the connecting plate (12) is L-shaped.

5. The soft-hard composite circuit board module according to claim 2, wherein the initial state of the first spring (9) is a compressed state.

6. The soft-hard composite circuit board module according to claim 2, wherein a limiting rod (13) is fixedly connected to the surface of the movable block (10).

7. The rigid-flexible composite circuit board module according to claim 1, wherein the fixing plate (1) is provided with a receiving groove, and the first rigid circuit board (2) is clamped with a side wall of the receiving groove through a clamping block (21).

8. The flexible-rigid composite circuit board module according to claim 1, wherein the mounting device (7) comprises second springs (14), grooves (15), fixing blocks (16), fixing columns (17) and mounting plates (18), the grooves (15) are further formed in the end portions of the cross plate (5), the second springs (14) are arranged in the grooves (15), the fixing blocks (16) are fixedly connected to one ends, far away from the surfaces of the grooves (15), of the two second springs (14), the two fixing blocks (16) are in sliding connection with the grooves (15), the fixing columns (17) are fixedly connected to the surfaces of the fixing blocks (16), the fixing columns (17) are in sliding connection with the cross plate (5), the mounting plates (18) are fixedly connected to one ends, far away from the fixing blocks (16), of the two fixing columns (17), and the mounting plates (18) are of an L-shaped structure, the mounting plate (18) is provided with a mounting hole (181).

9. The rigid-flexible composite circuit board module according to claim 8, wherein the initial state of the second spring (14) is a compressed state.

10. The rigid-flexible composite circuit board module as claimed in claim 1, wherein the cross plate (5) is fixedly connected with a plurality of connecting strips (20), and the connecting strips (20) are all glued with the second rigid circuit board (4) through an adhesive.