CN219181763U

CN219181763U - Foldable double-layer circuit board

Info

Publication number: CN219181763U
Application number: CN202223415559.XU
Authority: CN
Inventors: 吴大珍; 罗维
Original assignee: Shenzhen Keshijia Electronic Co ltd
Current assignee: Shenzhen Keshijia Electronic Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-06-13
Anticipated expiration: 2032-12-20

Abstract

The utility model relates to the technical field of circuit boards, and discloses a foldable double-layer circuit board which comprises a first circuit board and a second circuit board, wherein one end of the first circuit board is connected with a U-shaped fixing frame, one end of the second circuit board is fixedly connected with a connecting block, a U-shaped sliding groove is formed in the U-shaped fixing frame, a rotating shaft matched with the U-shaped sliding groove is arranged in the connecting block in a penetrating manner, the rotating shaft exceeds the side surface of the U-shaped fixing frame, two ends of the rotating shaft are connected with first fixing rings in a threaded manner, and the second circuit board can rotate to the lower surface of the first circuit board in the U-shaped sliding groove through the rotating shaft. According to the utility model, the U-shaped sliding groove is arranged, after the first circuit board is connected with the second circuit board, the second circuit board can slide in the U-shaped sliding groove to be in a horizontal state with the first circuit board through the rotating shaft, and also can slide to the lower surface of the first circuit board, so that the U-shaped sliding groove has higher applicability in installation.

Description

Foldable double-layer circuit board

Technical Field

The utility model relates to the technical field of circuit boards, in particular to a foldable double-layer circuit board.

Background

Circuit boards may be referred to as printed wiring boards or printed circuit boards, and are classified into three major categories, single-panel, double-panel, and multi-layer circuit boards, if the number of layers is divided.

The circuit board is widely used in various electrical appliances, because the traditional circuit board is mostly of an integrated structure, the occupied space position is larger, the installation of a plurality of circuit boards is inconvenient, so the prior art makes a lot of improvements on the circuit board, such as patent publication No. CN215420945U, a foldable double-layer circuit board is disclosed, the circuit board comprises a first circuit board, two clamping plates are movably installed on one side of the outer part of the first circuit board, handles are fixedly installed on one side of the outer wall of the two clamping plates, suckers are arranged at the bottom ends of the two clamping plates, fixing columns are fixedly installed on the top ends of the two clamping plates, a rotating shaft is inserted between the inner walls of the two fixing columns, two fixing sleeves are sleeved on the outer part of the rotating shaft, a second circuit board is fixedly installed between the outer parts of the two fixing sleeves, the clamping plates, the suckers are arranged at the bottom ends of the clamping plates respectively correspondingly install the outer part of the first circuit board, the first circuit board is firmly absorbed by the suckers, the occupied area of the circuit board is reduced, the structure can effectively install the second circuit board according to the large space, and the second circuit board is reasonably adjusted, and the circuit board is used, and the circuit board is reasonably folded. The above patent has obvious beneficial effects but still has the following disadvantages:

above-mentioned cooperation through fixed column and pivot can realize adjusting the angle of second circuit board, and then is convenient for to the installation of circuit board, but because the position of its grip block, can't be the horizontality with second circuit board adjustment and first circuit board, if meet the space narrow and small, when need adjust the second circuit board to be the horizontality with first circuit board and install, will not install, consequently, the urgent need in this field improves collapsible double-deck circuit board to solve prior art's defect.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the foldable double-layer circuit board, which has wider angle adjustment and higher practicability.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a collapsible double-deck circuit board, includes first circuit board and second circuit board, and the one end of first circuit board is connected with the fixed frame of U-shaped, and the one end fixedly connected with connecting block of second circuit board has seted up the U-shaped sliding tray in the fixed frame of U-shaped, wears to be equipped with the axis of rotation with the U-shaped sliding tray adaptation in the connecting block, and the axis of rotation exceeds the fixed frame side of U-shaped, and axis of rotation both ends threaded connection has first solid fixed ring, and the second circuit board can be at U-shaped sliding tray internal rotation to first circuit board lower surface through the axis of rotation.

As a preferable technical scheme of the utility model, one side of the first circuit board far away from the side part of the U-shaped fixed frame is symmetrically and fixedly connected with a bearing column, one end of the bearing column far away from the first circuit board is fixedly connected with an elastic column, and one end of the second circuit board far away from the connecting block is provided with a yielding groove matched with the elastic column.

As a preferable technical scheme of the utility model, the upper end of the elastic column is connected with a second fixing ring in a threaded manner.

As a preferable technical scheme of the utility model, the upper surface and the lower surface of the first circuit board are fixedly connected with a bearing column, an elastic column and a second fixing ring.

As a preferable technical scheme of the utility model, two U-shaped fixing frames are arranged, the opposite side surfaces of the end parts of the U-shaped fixing frames are fixedly connected with mounting plates, bolts penetrating through the first circuit board are arranged between the two mounting plates, and nuts are connected with the other ends of the bolts in a threaded manner.

As a preferable technical scheme of the utility model, the first fixing ring and the second fixing ring are arranged in a plum blossom shape.

As a preferable technical scheme of the utility model, the upper end of the bearing column is sleeved with an elastic plate.

As a preferable technical scheme of the utility model, one end of the elastic column far away from the bearing column is provided with a round angle.

Aiming at the defects of the prior art, the utility model provides a foldable double-layer circuit board, which overcomes the defects of the prior art and has the beneficial effects that:

1. according to the utility model, the U-shaped sliding groove is arranged, after the first circuit board is connected with the second circuit board, the second circuit board can slide in the U-shaped sliding groove to be in a horizontal state with the first circuit board through the rotating shaft, and also can slide to the lower surface of the first circuit board, so that the U-shaped sliding groove has higher applicability in installation.

2. The utility model has simple structure, convenient operation and strong applicability.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a position structure of a carrying column according to the present utility model;

FIG. 3 is a schematic view of a U-shaped fixing frame according to the present utility model;

FIG. 4 is a schematic view of the position structure of the elastic column according to the present utility model;

fig. 5 is an enlarged schematic view of the structure at a in fig. 2.

In the figure: 1. a first circuit board; 2. a second circuit board; 3. a U-shaped fixing frame; 4. a connecting block; 5. a U-shaped sliding groove; 6. a rotating shaft; 7. a first fixing ring; 8. a load-bearing column; 9. an elastic column; 10. a relief groove; 11. a second fixing ring; 12. an elastic plate; 13. a mounting plate; 14. a bolt; 15. and (3) a nut.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1 to 5, a foldable double-layer circuit board comprises a first circuit board 1 and a second circuit board 2, wherein one end of the first circuit board 1 is connected with a U-shaped fixing frame 3, one end of the second circuit board 2 is fixedly connected with a connecting block 4,U, a U-shaped sliding groove 5 is formed in the fixing frame 3, a rotating shaft 6 adapted to the U-shaped sliding groove 5 is arranged in the connecting block 4 in a penetrating manner, the rotating shaft 6 exceeds the side surface of the U-shaped fixing frame 3, two ends of the rotating shaft 6 are connected with first fixing rings 7 in a threaded manner, and the second circuit board 2 can rotate to the lower surface of the first circuit board 1 in the U-shaped sliding groove 5 through the rotating shaft 6.

As shown in fig. 2, the circuit board structure in this embodiment is similar to the existing circuit board structure, such as a foldable double-layer circuit board disclosed in the patent publication No. CN215420945U, and the main improvement of this embodiment is the angle adjustment between the circuit boards. In this embodiment, when the angular position of the second circuit board 2 needs to be adjusted, the first fixing ring 7 is loosened, the first fixing ring 7 is far away from the side surface of the U-shaped fixing frame 3, and then the rotating shaft 6 loses the limiting effect, so that the second circuit board 2 can be rotated, the rotating shaft 6 can slide in the U-shaped sliding groove 5, the second circuit board 2 can be adjusted to be in a horizontal state with the first circuit board 1, and the second circuit board 2 can also be adjusted to the lower surface of the first circuit board 1, so that the second circuit board 2 has more applicability in installation.

In one aspect of this embodiment, the side portion of the first circuit board 1 far away from the U-shaped fixing frame 3 is symmetrically and fixedly connected with a bearing post 8, one end of the bearing post 8 far away from the first circuit board 1 is fixedly connected with an elastic post 9, and the end of the second circuit board 2 far away from the connecting block 4 is provided with a yielding groove 10 adapted to the elastic post 9. When the second circuit board 2 needs to be folded and stored, the second circuit board 2 is rotated, the elastic column 9 has certain elasticity, the elastic column 9 passes through the abdication groove 10, and the second circuit board 2 is folded and the surface elements are protected.

In one aspect of this embodiment, the upper end of the elastic column 9 is threaded with a second fixing ring 11. After the first circuit board 1 and the second circuit board 2 are folded, the second fixing ring 11 is in threaded connection with the upper end of the elastic column 9, and the second circuit board 2 is limited.

In one aspect of this embodiment, the upper and lower surfaces of the first circuit board 1 are fixedly connected with the bearing post 8, the elastic post 9 and the second fixing ring 11. The second circuit board 2 may be turned over to the lower surface of the first circuit board 1 for fixing.

In one aspect of the embodiment, the U-shaped fixing frames 3 are two, the opposite side surfaces of the end parts of the U-shaped fixing frames 3 are fixedly connected with mounting plates 13, a bolt 14 penetrating through the first circuit board 1 is arranged between the two mounting plates 13, and the other end of the bolt 14 is in threaded connection with a nut 15. The mounting hole has been seted up to the one end on the first circuit board 1, has offered the mounting hole on the mounting panel 13 equally, when installing U-shaped fixed frame 3, aligns the mounting hole to penetrate bolt 14, with nut 15 threaded connection in the one end of bolt 14, screw up it.

In one aspect of this embodiment, the first and

second fixing rings

7 and 11 are each provided in a quincuncial shape. The plum blossom-shaped structure is more convenient for operators to twist the plum blossom-shaped structure.

In one aspect of this embodiment, the upper end of the load post 8 is sleeved with an elastic plate 12. The elastic plate 12 protects the surface of the second circuit board 2.

In one aspect of this embodiment, the end of the elastic post 9 remote from the load post 8 is rounded. The round corners are arranged to play a certain guiding role, so that the elastic column 9 is conveniently inserted into the abdication groove 10.

Finally, it should be noted that: in the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a collapsible double-deck circuit board, including first circuit board (1) and second circuit board (2), its characterized in that, the one end of first circuit board (1) is connected with U-shaped fixed frame (3), the one end fixedly connected with connecting block (4) of second circuit board (2), U-shaped sliding tray (5) have been seted up in U-shaped fixed frame (3), wear to be equipped with in connecting block (4) with U-shaped sliding tray (5) adaptation axis of rotation (6), axis of rotation (6) surpass U-shaped fixed frame (3) side, axis of rotation (6) both ends threaded connection has first solid fixed ring (7), second circuit board (2) can rotate to first circuit board (1) lower surface in U-shaped sliding tray (5) through axis of rotation (6).

2. The foldable double-layer circuit board according to claim 1, wherein the side part of the first circuit board (1) far away from the U-shaped fixed frame (3) is symmetrically and fixedly connected with a bearing column (8), one end of the bearing column (8) far away from the first circuit board (1) is fixedly connected with an elastic column (9), and one end of the second circuit board (2) far away from the connecting block (4) is provided with a yielding groove (10) matched with the elastic column (9).

3. A foldable double-layered circuit board according to claim 2, characterized in that the upper end of the elastic column (9) is screwed with a second fixing ring (11).

4. A foldable double-layer circuit board according to claim 3, wherein the upper and lower surfaces of the first circuit board (1) are fixedly connected with a bearing post (8), an elastic post (9) and a second fixing ring (11).

5. The foldable double-layer circuit board according to claim 1, wherein the number of the U-shaped fixing frames (3) is two, the mounting plates (13) are fixedly connected to opposite side surfaces of the end parts of the U-shaped fixing frames (3), bolts (14) penetrating through the first circuit board (1) are arranged between the two mounting plates (13), and nuts (15) are connected to the other ends of the bolts (14) in a threaded mode.

6. A foldable double-layered circuit board according to claim 3, characterized in that the first fixing ring (7) and the second fixing ring (11) are each provided in a quincuncial shape.

7. A foldable double-layered circuit board according to claim 4, characterized in that the upper ends of the carrying posts (8) are sleeved with elastic plates (12).

8. A foldable double-layer circuit board according to claim 4, characterized in that the end of the elastic column (9) remote from the carrying column (8) is rounded.