CN221264258U

CN221264258U - PCB flexible supporting structure

Info

Publication number: CN221264258U
Application number: CN202323091807.4U
Authority: CN
Inventors: 沐俊; 刘苏河; 盛俐良
Original assignee: Fuba Automotive Antenna Suzhou Co ltd
Current assignee: Fuba Automotive Antenna Suzhou Co ltd
Priority date: 2023-11-16
Filing date: 2023-11-16
Publication date: 2024-07-02
Anticipated expiration: 2033-11-16

Abstract

The utility model relates to a flexible support structure of a PCB, which comprises a base, wherein a rigid support assembly and a flexible support assembly are arranged on the base, and the rigid support assembly comprises a plurality of rigid support columns; the flexible supporting component comprises a first flexible supporting bar and a second flexible supporting bar, wherein the first flexible supporting bar and the second flexible supporting bar are provided with an inclined section extending from bottom to top and a vertical section extending vertically upwards, one end of the inclined section is fixed, the other end of the inclined section is connected with the lower end of the vertical section, the upper end of the vertical section forms a supporting end, and the upper surface of the supporting end is higher than the upper surface of the rigid supporting column in a natural state. According to the utility model, the flexible supporting component is arranged and matched with the rigid supporting component, so that the flexible supporting component supports the PCB while deforming in the PCB assembling and locking process, and the deformation and stress of the PCB are avoided, so that the stability and reliability of an assembled product are ensured, and the scheme is simple in structure and convenient to process.

Description

PCB flexible supporting structure

Technical Field

The utility model relates to the technology of automobile antennas, in particular to a PCB flexible supporting structure of an automobile antenna amplifier.

Background

Automotive antennas are an important component for receiving radio signals, however, since the metal casing of an automobile blocks the propagation of signals, the signal receiving capability of the antenna is limited, and in order to improve the receiving capability, automotive antenna amplifiers are widely used. The automobile antenna amplifier is an electronic device, is arranged between an automobile antenna and receiving equipment, and has the functions of amplifying antenna signals and strengthening signals, so that the receiving capacity of the receiving equipment on an automobile is improved.

The PCB board inside the automobile antenna amplifier is the core component of the amplifier, when fixing the PCB3, the PCB3 is first placed on the support columns 50, the support columns 50 are generally located at two sides of the PCB3, and the PCB3 is supported by the support columns 50, as shown in fig. 1; the PCB3 is then fixed by the screws 4, and the screws 4 are pressed onto the bosses 51 at the bottom of the PCB3 through the PCB3, as shown in fig. 2. However, the screws are screwed down, so that the PCB is deformed, and stress is generated inside the PCB, and the use reliability is affected.

Disclosure of Invention

The utility model aims to provide a PCB flexible supporting structure, in particular to a PCB flexible supporting structure of an automobile antenna amplifier.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

The utility model provides a flexible bearing structure of PCB, includes the base, the base on be provided with rigid support subassembly, flexible support subassembly, wherein:

the rigid support assembly comprises a plurality of rigid support columns;

The flexible support assembly comprises a first flexible support bar and a second flexible support bar, wherein the first flexible support bar and the second flexible support bar are provided with an inclined section extending from bottom to top and a vertical section extending vertically upwards, one end of the inclined section is fixed, the other end of the inclined section is connected with the lower end of the vertical section, the upper end of the vertical section forms a support end, and the upper surface of the support end is higher than the upper surface of the rigid support column in a natural state.

According to the technical scheme, preferably, the inclined sections of the first flexible supporting strips and the second flexible supporting strips are in downward bent arc shapes.

In the above technical solution, preferably, one of the flexible support assemblies is disposed between two of the rigid support columns.

Further preferably, two of the rigid support columns and one of the flexible support assemblies form a support group, and the support group is provided with a plurality of support groups along the length direction of the base. More preferably, the support group may be two, three, four or more.

Preferably, in the above technical solution, the inclined sections of the first flexible supporting bar and the second flexible supporting bar extend along the width direction of the base.

According to the technical scheme, the first flexible supporting strips and the second flexible supporting strips are symmetrically arranged.

Preferably, the flexible supporting structure further comprises an upper cover, and the upper cover covers the PCB on the base.

According to the technical scheme, preferably, the base is provided with the positioning column, and the positioning column is matched with the positioning hole in the PCB.

Further preferably, the number of positioning posts is provided in a plurality, such as two, three, four or more.

According to the technical scheme, preferably, the rigid support column is provided with the locking hole, the locking hole extends along the vertical direction of the rigid support column, and the PCB is fixed on the base through the locking hole by the fastener.

According to the technical scheme, preferably, the first flexible supporting strips and the second flexible supporting strips are made of plastics.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

According to the utility model, the flexible supporting component is arranged and matched with the rigid supporting component, so that the flexible supporting component supports the PCB while deforming in the PCB assembling and locking process, and the deformation and stress of the PCB are avoided, so that the stability and reliability of an assembled product are ensured, and the scheme is simple in structure and convenient to process.

Drawings

FIG. 1 is a schematic diagram of a prior art support post supporting a PCB;

FIG. 2 is a schematic diagram of a prior art screw-down PCB;

FIG. 3 is an assembled perspective view of the support structure of the present utility model;

FIG. 4 is an exploded perspective view of the support structure of the present utility model;

FIG. 5 is a schematic view of a flexible support assembly in a support structure of the present utility model;

FIG. 6 is an assembled side view schematic of the support structure of the present utility model;

FIG. 7 is a schematic cross-sectional view of A-A in FIG. 6.

In the above figures:

1. A base; 10. a rigid support column; 100. a locking hole; 101. the upper surface of the rigid support column; 11. a first flexible support bar; 12. a second flexible support bar; 13. an inclined section; 14. a vertical section; 140. the upper surface of the support end;

2. An upper cover; 20. a connection hole;

3、PCB；

4. a screw;

50. A support column; 51. a boss.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

A flexible support structure for a PCB, as shown in fig. 3 and 4, comprises a base 1 and an upper cover 2. The specific method is as follows:

Be provided with rigid support subassembly, flexible support subassembly on the base 1, wherein:

The rigid support assembly comprises a plurality of rigid support columns 10, typically a number of two, such as two, four, six, etc., in this embodiment, the rigid support columns 10 have four, and two are in a group, two rigid support columns 10 in a group are arranged side by side in the width direction of the base 1, and two groups of rigid support columns 10 are arranged in the length direction of the base 1.

The shape of the rigid support columns 10 is not limited, but the upper surfaces 101 of the rigid support columns are flat, forming a support surface for the bottom of the PCB 3. In this embodiment: the rigid support column 10 has a circular boss and a bar-shaped boss to increase the support area and stability, as shown in fig. 2.

In one embodiment of the application: the rigid support column 10 is provided with a locking hole 100, and the locking hole 100 extends in the up-down direction of the rigid support column 10. Thus, the structure of the base 1 can be simplified by the function of supporting and fixing the rigid support column 10.

The flexible supporting assembly comprises a first flexible supporting bar 11 and a second flexible supporting bar 12, wherein the first flexible supporting bar 11 and the second flexible supporting bar 12 are provided with an inclined section 13 and a vertical section 14 which extend from bottom to top along the width direction of the base 1, one end of the inclined section 13 is fixed, the other end of the inclined section is connected with the lower end of the vertical section 14, the upper end of the vertical section 14 forms a supporting end, and the upper surface 140 of the supporting end is higher than the upper surface 101 of the rigid supporting column in a natural state, as shown in fig. 5; when the PCB3 is pressed down, the first flexible supporting bar 11 and the second flexible supporting bar 12 are bent downward, and the upper surface 140 of the supporting end is flush with the upper surface 101 of the rigid supporting column, while being supported at the bottom of the PCB 3. In this embodiment: the inclined section 13 is curved downward. The extended inclined section 13 can deform and bend in the process of being stressed, and the vertical section 14 butts against the bottom of the PCB3 to flexibly support the PCB, so that stress is avoided.

The first flexible supporting strip 11 and the second flexible supporting strip 12 can be made of materials with certain deformation characteristics, such as plastics and the like.

The first flexible supporting strip 11 and the second flexible supporting strip 12 are symmetrically arranged. In this embodiment: two rigid support columns 10 and a flexible support assembly form a support group, and a flexible support assembly is arranged between the two rigid support columns 10, and a plurality of support groups are arranged along the length direction of the base 1. More preferably, the number of the supporting groups may be two, three, four or more, and two supporting groups are provided in the figure and are respectively located near two sides of the base 1.

In one embodiment of the application: the base 1 may be provided with positioning posts (not shown) which cooperate with positioning holes in the PCB 3. The number of positioning posts is provided in a plurality, such as two, three, four or more.

The upper cover 2 is used for covering the PCB3 on the base 1, and the upper cover 1 is also provided with a connecting hole 20 corresponding to the locking hole 100.

When in assembly, the positioning hole of the PCB3 passes through the positioning column of the base 1, then the upper cover 2 is covered on the PCB3, the connecting hole 20 of the upper cover 2 is aligned with the locking hole 100 on the rigid support column 10, and the assembly is completed by screwing the screw 4. After the assembly, the PCB3 is supported on the upper surfaces 101 of the four rigid support columns, and the first flexible support bar 11 and the second flexible support bar 12 are pressed down after being bent, and the upper surfaces 140 of the support ends are also supported on the bottom of the PCB3 and form a flexible support, as shown in fig. 7.

The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.

Claims

1. A flexible supporting structure of a PCB, characterized in that: the base on be provided with rigid support subassembly, flexible support subassembly, wherein:

the rigid support assembly comprises a plurality of rigid support columns;

2. The PCB flexible support structure of claim 1, wherein: the inclined sections of the first flexible supporting strip and the second flexible supporting strip are in downward bent arc shapes.

3. The PCB flexible support structure of claim 1, wherein: one flexible support assembly is arranged between two rigid support columns.

4. A PCB flexible support structure according to claim 3, wherein: two rigid support columns and one flexible support assembly form a support group, and a plurality of support groups are arranged along the length direction of the base.

5. The PCB flexible support structure of claim 1, wherein: the inclined sections of the first flexible supporting strip and the second flexible supporting strip extend along the width direction of the base.

6. The PCB flexible support structure of claim 1, wherein: the first flexible supporting strips and the second flexible supporting strips are symmetrically arranged.

7. The PCB flexible support structure of claim 1, wherein: the flexible support structure further comprises an upper cover, and the upper cover covers the PCB on the base.

8. The PCB flexible support structure of claim 1, wherein: the base is provided with a positioning column which is matched with a positioning hole on the PCB;

The number of the positioning columns is multiple.

9. The PCB flexible support structure of claim 1, wherein: the rigid support column is provided with a locking hole, the locking hole extends along the vertical direction of the rigid support column, and the PCB is fixed on the base through the locking hole by the fastener.

10. The PCB flexible support structure of claim 1, wherein: the first flexible supporting strips and the second flexible supporting strips are made of plastics.