CN219203530U

CN219203530U - Fixing piece and electric connection structure

Info

Publication number: CN219203530U
Application number: CN202320351687.8U
Authority: CN
Inventors: 崔延光; 张海武; 卢超
Original assignee: Benewake Beijing Co Ltd
Current assignee: Benewake Beijing Co Ltd
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-06-16
Anticipated expiration: 2033-02-17

Abstract

The utility model discloses a fixing piece and an electric connection structure, wherein the fixing piece comprises a pressing part and a connecting part connected with the pressing part, the connecting part is used for being fixedly connected with a circuit board, so that a containing space for containing a horizontal connector is formed between the pressing part and the circuit board, the pressing part is used for abutting against the horizontal connector, so that the horizontal connector is pressed on the circuit board, the horizontal connector can be kept fixed relative to the circuit board even under the action of external force such as vibration stress, and the like, so that the stability is improved, and the horizontal connector is prevented from falling off from the circuit board.

Description

Fixing piece and electric connection structure

Technical Field

The utility model relates to the technical field of electronic connection, in particular to a fixing piece and an electric connection structure.

Background

The FPC/FFC connector is a flexible circuit board/flat cable connector, and is widely applied to various civil mobile communication devices and various personal terminal devices (such as mobile phones, PDA, GPS, MP/MP 4, digital cameras, hand-held game machines, various CD machines, computers, televisions and the like). The function of the FPC/FFC connector is to realize the functions of signal connection or transmission between functional modules in the equipment or with external equipment, communication between the equipment and a power supply or a signal source, and the like, and finally realize the connection scheme of the power supply/signal of the equipment. According to the wiring direction, the horizontal type and the vertical type are adopted.

At present, the horizontal connector and the circuit board are relatively fixed only by virtue of welding between the connector terminals and the circuit board, and a locking structure is lacked, so that the horizontal connector can fall off from the circuit board when the horizontal connector is subjected to external forces such as vibration stress and the like.

Disclosure of Invention

The utility model aims to provide a fixing piece and an electric connection structure, which can enable a horizontal connector to be fixed relative to a circuit board, improve stability and prevent the horizontal connector from falling off from the circuit board.

In a first aspect, the present utility model provides a fixing element, where the fixing element includes an extrusion portion and a connection portion connected to the extrusion portion, the connection portion is configured to be fixedly connected to a circuit board, so that a receiving space for receiving a horizontal connector is formed between the extrusion portion and the circuit board, and the extrusion portion is configured to abut against the horizontal connector.

In an alternative embodiment, the connection is soldered to the circuit board.

In an alternative embodiment, the circuit board has a first surface and a second surface opposite to each other and a through hole penetrating the first surface and the second surface, the pressing portion is located on the first surface, the connecting portion is provided with a first pin, the first pin penetrates through the through hole and is reversely buckled on the second surface, and the first pin is welded with the circuit board.

In an alternative embodiment, the circuit board has a first surface and a second surface opposite to each other and a through hole penetrating the first surface and the second surface, the connection portion is provided with a first pin and a second pin, the first pin is inserted into the through hole, and the second pin is welded with the first surface.

In an alternative embodiment, the second pins are located on both sides of the first pin.

In an alternative embodiment, the circuit board is provided with a threaded hole, the connection portion is provided with a matching portion connected with the connection portion in an angle shape, the matching portion is provided with a through hole, and a screw penetrates through the through hole and is in threaded connection with the threaded hole, so that the matching portion abuts against the circuit board.

In an alternative embodiment, a protruding portion is arranged on one surface of the pressing portion, which faces away from the accommodating space.

In an alternative embodiment, a groove corresponding to the protruding portion is formed on one surface of the pressing portion for forming the accommodating space, and the groove is used for filling elastic material or flexible material.

In an alternative embodiment, the two ends of the extrusion part in the length direction are respectively connected with the connecting parts.

In a second aspect, the present utility model provides an electrical connection structure, including a circuit board, a horizontal connector, and a fixing member according to any one of the foregoing embodiments, where the fixing member is configured to press the horizontal connector onto the circuit board.

The beneficial effects of the embodiment of the utility model include:

the fixing piece comprises a pressing part and a connecting part connected to the pressing part, wherein the connecting part is used for being fixedly connected to the circuit board, so that a containing space for containing the horizontal connector is formed between the pressing part and the circuit board, the pressing part is used for being abutted against the horizontal connector, so that the horizontal connector is pressed on the circuit board, the horizontal connector can be kept fixed relative to the circuit board even under the action of external force such as vibration stress, and the stability is improved, so that the horizontal connector is prevented from falling off the circuit board.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic illustration of the fixing member of the present embodiment being soldered directly to a circuit board;

FIG. 2 is a schematic view of the structure of the fixing member according to the present embodiment when the fixing member is welded by direct insertion;

FIG. 3 is a second schematic view of the fixing member of the present embodiment in the case of direct insertion welding;

FIG. 4 is a third schematic view of the fixing member according to the present embodiment when the fixing member is welded by direct insertion;

FIG. 5 is a second schematic view of the fixing member of the present embodiment directly soldered on a circuit board;

FIG. 6 is a schematic view of the structure of the fixing member according to the present embodiment when surface welding is used;

FIG. 7 is a second schematic view of the surface welding structure of the fixing member according to the present embodiment;

fig. 8 is a schematic view of the surface of the fixing member welded on the circuit board according to the embodiment;

FIG. 9 is a schematic view of the structure of the fixing member according to the present embodiment;

FIG. 10 is a second schematic view of the fastening device according to the present embodiment;

fig. 11 is a schematic view of the fixing member screwed on the circuit board according to the present embodiment.

Icon: 100-fixing parts; 110-an extrusion part; 112-a boss; 114-grooves; 130-a connection; 132—a first pin; 134-second pin; 136-mating part; 138-through holes; 150-accommodating space; 300-horizontal connector; 500-arranging wires; 700-a circuit board; 710-perforating; 900-screw.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

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 will be understood in specific cases by those of ordinary skill in the art.

Some embodiments of the present utility model are described in detail below with reference to fig. 1 to 11. The following embodiments and features of the embodiments may be combined with each other without conflict.

Referring to fig. 1 and 2, an embodiment of the present utility model discloses a fixing member 100, where the fixing member 100 is mainly used to press a horizontal connector 300 against a circuit board 700, so as to prevent the horizontal connector 300 from being loosened from the circuit board 700.

In this embodiment, the fixing member 100 includes a pressing portion 110 and a connecting portion 130 connected to the pressing portion 110, where the connecting portion 130 is used for being fixedly connected to the circuit board 700, so that a receiving space 150 for receiving the horizontal connector 300 is formed between the pressing portion 110 and the circuit board 700, and the pressing portion 110 is used for abutting against the horizontal connector 300, so as to press the horizontal connector 300 against the circuit board 700, so that the horizontal connector 300 can be kept fixed relative to the circuit board 700 even under the action of external force such as vibration stress, and stability is improved, so as to prevent the horizontal connector 300 from falling off from the circuit board 700.

In this embodiment, the whole fixing member 100 is approximately in a shape of a Chinese character 'ji', and is integrally formed by bending a strip-shaped plate for multiple times, the connecting portions 130 are connected with the connecting portions 130 at two ends of the connecting portion 130 in the length direction, the connecting portions 130 form an included angle with the extruding portion 110, and the two connecting portions 130 are oppositely arranged, so that after the connecting portions 130 respectively connected with the two ends of the extruding portion 110 are connected and fixed with the circuit board 700, the pressure of the extruding portion 110 to the horizontal connector 300 can be uniformly distributed, and the horizontal connector 300 is more stable on the circuit board 700.

In addition, the protruding portion 112 is disposed on the surface of the pressing portion 110 facing away from the accommodating space 150, and the protruding portion 112 can function like a reinforcing rib, so that the rigidity of the pressing portion 110 is improved, and thus, when the pressing portion 110 is pressed against the horizontal connector 300, a larger compressive stress is applied to the horizontal connector 300, and the horizontal connector 300 is fixed on the circuit board 700 more stably.

Referring to fig. 3 and 4, a recess 114 corresponding to the protrusion 112 is formed on one surface of the pressing portion 110 for forming the receiving space 150, and the recess 114 is filled with an elastic material or a flexible material, so that the horizontal connector 300 can be pressed by the elastic material or the flexible material, and the pressing portion 110 can be prevented from being scratched and damaged due to local stress concentration of the horizontal connector 300 while improving the pressure.

Wherein the pressing portion 110 may be diametrically punched by a punching process so as to directly partially recess the pressing portion 110 to simultaneously form the groove 114 and the protrusion 112. It is of course also possible to form the grooves 114 and the protrusions 112 by means of a mechanical cutting process.

It should be noted that, how the connection portion 130 and the circuit board 700 are connected is not particularly limited in this embodiment, for example, in the embodiment shown in fig. 1 to 8, the connection portion 130 and the circuit board 700 are soldered, and in the embodiment shown in fig. 9 to 11, the connection portion 130 and the circuit board 700 are screwed. Of course, in other embodiments, the circuit board 700 of the connection portion 130 of the fixing member 100 may be glued or riveted.

As shown in fig. 1 to 5, the present embodiment provides a soldering method for in-line soldering of the connection portion 130 and the circuit board 700. The circuit board 700 is generally planar and has first and second opposite sides and a through hole 710 extending through the first and second sides. The horizontal connector 300 and the flat cable 500 connected to the horizontal connector 300 are located on the first surface.

The connection portion 130 is provided with a first pin 132, after the first surface of the first pin 132 passes through the through hole 710, the first pin 132 is bent, so that the portion passing through the through hole 710 is reversely buckled on the second surface, and the first pin 132 is welded with the circuit board 700, so that the pressing portion 110 located on the first surface can be abutted against the horizontal connector 300.

The welding portion of the first pin 132 and the circuit board 700 may be a portion of the first pin 132 inverted to the second surface and be surface welded with the circuit board 700, or may be a seam welded with a gap between the first pin 132 and the through hole 710, so long as the first pin 132 and the circuit board 700 can be relatively fixed by welding.

As shown in fig. 6 to 8, the present embodiment also provides a soldering method for surface soldering the connection portion 130 and the circuit board 700. The connection portion 130 is provided with a first pin 132 and a second pin 134, however, it should be noted that the length of the first pin 132 is different from the length of the first pin 132 in the in-line soldering shown in fig. 1, and in the embodiment shown in fig. 2, the first pin 132 is only inserted into the through hole 710, but does not extend out of the second surface of the circuit board 700. Only the second pins 134 are soldered to the first side, such that the first pins 132 are positioned by mating with the through holes 710 to facilitate soldering between the second pins 134 and the circuit board 700.

The second pins 134 and the connecting portion 130 form an included angle, so that the surface of the pins with larger area contacts with the circuit board 700, so that the welding points between the pins and the circuit board 700 are more, and the connection stability is enhanced.

In addition, the second pins 134 are disposed on both sides of the first pin 132, which can also improve the connection tightness, and further ensure that the horizontal connector 300 is fixed on the circuit board 700.

As shown in fig. 9 to 11, the present embodiment further provides a screwing connection manner of the connection portion 130 and the circuit board 700. Specifically, a threaded hole is formed in the circuit board 700, the connection portion 130 is provided with a mating portion 136 connected with the connection portion 130 in an angle manner, the mating portion 136 is provided with a through hole 138, and a screw 900 penetrates through the through hole 138 and is in threaded connection with the threaded hole, so that the mating portion 136 abuts against the circuit board 700, and the extrusion portion 110 is pulled to compress the horizontal connector 300 through the connection portion 130.

Finally, the present embodiment also provides an electrical connection structure, which includes a circuit board 700, a horizontal connector 300, and a flat cable 500 connected to the horizontal connector 300, where the horizontal connector 300 and the circuit board 700 are pressed by the fixing member 100 of the above embodiment, so as to prevent the horizontal connector 300 from falling off from the circuit board 700.

In summary, the present embodiment provides a fixing member 100 and an electrical connection structure, where the fixing member 100 presses the horizontal connector 300 onto the circuit board 700, so that the horizontal connector 300 can be kept fixed relative to the circuit board 700 even under the action of external forces such as vibration stress, and the stability is improved, so as to prevent the horizontal connector 300 from falling off from the circuit board 700.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. The fixing piece is characterized by comprising an extrusion part and a connecting part connected to the extrusion part, wherein the connecting part is used for being fixedly connected to a circuit board, so that a containing space for containing a horizontal connector is formed between the extrusion part and the circuit board, and the extrusion part is used for being abutted to the horizontal connector.

2. The fixture of claim 1, wherein the connection is soldered to the circuit board.

3. The fixture of claim 2, wherein the circuit board has first and second opposite sides and a through hole passing through the first and second sides, the pressing portion is located on the first side, the connecting portion is provided with a first pin, the first pin passes through the through hole and is reversely buckled on the second side, and the first pin is soldered with the circuit board.

4. The fixture of claim 2, wherein the circuit board has first and second opposite sides and a through hole extending through the first and second sides, the connection portion is provided with first and second pins, the first pin is inserted into the through hole, and the second pin is soldered to the first side.

5. The fixture of claim 4, wherein the second pin is on both sides of the first pin.

6. The fixing member according to claim 1, wherein the circuit board is provided with a screw hole, the connecting portion is provided with a fitting portion connected in an angle form with the connecting portion, the fitting portion is provided with a through hole, and a screw passes through the through hole and is screwed with the screw hole so that the fitting portion abuts against the circuit board.

7. The fixing member according to claim 1, wherein a protrusion is provided on a surface of the pressing portion facing away from the accommodating space.

8. The fixing member according to claim 7, wherein a surface of the pressing portion for forming the accommodating space is formed with a groove corresponding to the protruding portion, the groove being for filling an elastic material or a flexible material.

9. The fixing member according to claim 1, wherein both ends in a longitudinal direction of the pressing portion are connected with the connecting portions, respectively.

10. An electrical connection structure comprising a circuit board, a horizontal connector, and the fixture of any one of claims 1-9, the fixture being for compressing the horizontal connector onto the circuit board.