Shielding type printed board type connector

Abstract

The invention belongs to the technical field of electric connectors, and particularly relates to a shielding type printed board type connector, which comprises an upper shielding case, a printed circuit board, a lower shielding case and a connector, and is characterized in that grounding plating layers are arranged on two opposite sides of the printed circuit board; and an insulating layer is arranged outside the grounding plating layer except the contact parts of the grounding plating layer and the upper shielding cover and the lower shielding cover. According to the invention, electromagnetic shielding of the pins is realized by adopting a compact structure, and the grounding effect of the shielding case can be taken into consideration. The electromagnetic shielding device has the characteristics of simple structure, high universality, meeting of electronic circuit design requirements, good electromagnetic shielding effect and the like.

Description

Technical Field

[0001] The invention belongs to the technical field of electric connectors, and in particular relates to a shielded printed circuit board connector. Background Art

[0002] Under the current demand for the vigorous development of flexible interconnection, the special development of printed circuit board connectors is particularly critical. At the same time, in a complex electromagnetic environment, there is electromagnetic leakage at the pins where the connector and the printed circuit board are connected. Conventional connectors have special tail accessories for electromagnetic protection when making cable products, but they cannot take into account both electromagnetic shielding and grounding effects. Summary of the invention

[0003] In view of this, the present invention provides a shielded printed circuit board connector, which adopts a compact structure to realize electromagnetic shielding of pins while taking into account the grounding effect of the shielding cover. The present invention has the characteristics of simple structure, strong versatility, compliance with electronic circuit design requirements, good electromagnetic shielding effect, etc.

[0004] The technical solution of the present invention is:

[0005] A shielded printed circuit board connector, comprising:

[0006] The upper shielding cover is provided with two openings with end surfaces perpendicular to each other;

[0007] A printed circuit board is provided with a connector through hole and a pin through hole, and is snap-fitted and mounted at the first opening of the upper shielding cover, and is arranged parallel to the first opening;

[0008] A lower shielding cover is buckled and mounted at another opening of the upper shielding cover, wraps an end of the printed circuit board close to the second opening of the upper shielding cover, and is arranged parallel to the second opening;

[0009] A connector, mounted in the connector through hole and arranged vertically with respect to the printed circuit board;

[0010] A pin is installed in the pin through hole, and a pin portion is arranged in a closed space formed by the upper shielding cover and the lower shielding cover;

[0011] Wherein: grounding plating layers are arranged on opposite sides of the printed circuit board; and an insulating layer is arranged outside the grounding plating layer except for the contact parts with the upper shielding cover and the lower shielding cover.

[0012] Furthermore, a tin layer is provided on the contact portion between the grounding plating layer and the upper shielding cover and the lower shielding cover.

[0013] Furthermore, the upper shielding cover and the printed circuit board are fixed by a P-shaped locking member; and the overlapping area of ​​the upper shielding cover and the lower shielding cover is fixed by means of rolling deformation.

[0014] Furthermore, the printed circuit board and the pins of the plug pins are fixed by welding.

[0015] Furthermore, the grounding plating layer is a copper layer.

[0016] Furthermore, the tin layer is a tin-sprayed layer.

[0017] Furthermore, the upper shielding cover and the lower shielding cover are both made of aluminum alloy, and the surfaces are both tin-plated.

[0018] Beneficial effects of the present invention:

[0019] The invention uses the tail attachment between the connector and the printed circuit board to achieve the purpose of installation and electromagnetic shielding at the same time, and adopts a compact structure to achieve electromagnetic shielding of the pins while taking into account the grounding effect of the shielding cover. The invention has the characteristics of simple structure, strong versatility, compliance with electronic circuit design requirements, good electromagnetic shielding effect, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present disclosure. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 It is a schematic diagram of the overall structure of a shielded printed circuit board connector in a specific implementation manner of the present invention;

[0022] Figure 2 Schematic diagram of the upper shielding cover structure;

[0023] Figure 3 is a schematic diagram of the lower shielding cover structure;

[0024] Figure 4 Schematic diagram of printed circuit board structure

[0025] Figure 5 It is a schematic diagram of the combined structure of the connector and the printed circuit board;

[0026] Among them: 1. Connector; 2. Upper shielding cover; 3. Lower shielding cover; 4. Printed circuit board. DETAILED DESCRIPTION

[0027] The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.

[0028] The following describes the embodiments of the present disclosure through specific examples, and those skilled in the art can easily understand other advantages and effects of the present disclosure from the contents disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present disclosure, rather than all of the embodiments. The present disclosure can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present disclosure. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict. Based on the embodiments in the present disclosure, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present disclosure.

[0029] It should be noted that various aspects of the embodiments within the scope of the appended claims are described below. It should be apparent that the aspects described herein may be embodied in a wide variety of forms, and any specific structure and / or function described herein is merely illustrative. Based on the present disclosure, it should be understood by those skilled in the art that an aspect described herein may be implemented independently of any other aspect, and two or more of these aspects may be combined in various ways. For example, any number of aspects described herein may be used to implement a device and / or practice a method. In addition, other structures and / or functionalities other than one or more of the aspects described herein may be used to implement this device and / or practice this method.

[0030] It should also be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present disclosure. The illustrations only show components related to the present disclosure rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0031] Additionally, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, it will be understood by those skilled in the art that the aspects described may be practiced without these specific details.

[0032] In one embodiment of the present invention, a shielded printed circuit board connector is provided. Figure 1-Figure 5 As shown, including:

[0033] The upper shielding cover 2 is provided with two openings whose end surfaces are perpendicular to each other;

[0034] A printed circuit board 4 is provided with a connector 1 through hole and a pin through hole, and is snap-fitted and mounted at the first opening of the upper shielding cover 2, and is arranged parallel to the first opening;

[0035] The lower shielding cover 3 is buckled and installed at the other opening of the upper shielding cover 2, and wraps one end of the printed circuit board 4 close to the second opening of the upper shielding cover 2, and is arranged parallel to the second opening;

[0036] A connector 1 is installed in the through hole of the connector 1 and is vertically arranged with respect to the printed circuit board 4;

[0037] A pin is installed in the pin through hole, and a pin part is arranged in a closed space formed by the upper shielding cover 2 and the lower shielding cover 3;

[0038] Wherein: grounding plating layers are provided on opposite sides of the printed circuit board 4; and an insulating layer is provided outside the grounding plating layer except for the contact parts with the upper shielding cover 2 and the lower shielding cover 3.

[0039] In this embodiment, a tin layer is provided on the contact portion between the grounding plating layer and the upper shielding cover 2 and the lower shielding cover 3 .

[0040] In this embodiment, the upper shielding cover 2 and the printed circuit board 4 are fixed by a P-type locking member; the overlapping area of ​​the upper shielding cover 2 and the lower shielding cover 3 is fixed by rolling deformation.

[0041] In this embodiment, the printed circuit board 4 and the pins of the plug are fixed by welding;

[0042] In this embodiment, the grounding plating layer is a copper layer;

[0043] In this embodiment, the tin layer is a tin spraying layer.

[0044] In this embodiment, the upper shielding cover 2 and the lower shielding cover 3 are both made of aluminum alloy, and the surfaces thereof are both tin-plated.

[0045] In this embodiment, the surface and bottom layers of the printed circuit board 4 need to be coated with a shielding copper layer. According to the size of the upper and lower shielding covers 3, the ground copper layer is exposed on the surface by uncovering the cover, and the surface of the exposed ground copper layer is tin-sprayed. The upper shielding cover 2 and the printed circuit board 4 are fixed by a P-type locking member, and the overlapping area of ​​the upper shielding cover 2 and the shell is fastened by rolling deformation. The printed circuit board 4 is welded and fixed to the pins of the connector 1. After the lower shielding cover 3 is fixed and locked with the printed board and the upper shielding cover 2 by screws, the upper and lower shielding covers 3 are welded to the ground copper layer of the printed board to form a seal, ensuring that there is no electromagnetic leakage on the entire transmission line, and can also protect the communication signal from external radiation interference.

[0046] The upper and lower shielding covers 3 of this embodiment are connected with the housing of the connector 1 and the circuit board to form a complete electromagnetic shielding space, thereby achieving the integrity of the signal transmitted by the printed circuit board 4.

[0047] In this embodiment, the upper and lower shielding covers 3 are made of aluminum alloy, and the surfaces are tin-plated to improve the conductivity and weldability.

[0048] In this embodiment, the upper shielding cover 2 has threaded holes for locking and fixing with the printed circuit board, and has an L-shaped bracket structure that replaces the P-shaped locking member, thereby achieving the requirements of simple structure and high versatility.

[0049] In this embodiment, the dimensions of the upper and lower shielding covers 3 are the same as the structural dimensions of the printed circuit board 4, and there is no need to increase the space for shielding, thereby achieving miniaturization requirements.

[0050] The above is only a specific implementation of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present disclosure should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A shielded printed circuit board connector, characterized in that: include: The upper shielding cover is provided with two openings with end surfaces perpendicular to each other; A printed circuit board is provided with a connector through hole and a pin through hole, and is buckled and mounted at the first opening of the upper shielding cover and arranged parallel to the first opening; A lower shielding cover is buckled and mounted at another opening of the upper shielding cover, wraps an end of the printed circuit board close to the second opening of the upper shielding cover, and is arranged parallel to the second opening; A connector, mounted in the connector through hole and arranged vertically with respect to the printed circuit board; A pin is installed in the pin through hole, and a pin portion is arranged in a closed space formed by the upper shielding cover and the lower shielding cover; Wherein: grounding plating layers are arranged on opposite sides of the printed circuit board; and an insulating layer is arranged outside the grounding plating layer except for the contact parts with the upper shielding cover and the lower shielding cover.

2. The shielded printed circuit board connector according to claim 1, characterized in that: A tin layer is provided at the contact portion between the grounding plating layer and the upper shielding cover and the lower shielding cover.

3. The shielded printed circuit board connector according to claim 2, characterized in that: The upper shielding cover and the printed circuit board are fixed by a P-shaped locking piece; the overlapping area of ​​the upper shielding cover and the lower shielding cover is fixed by means of rolling deformation.

4. The shielded printed circuit board connector according to claim 3, characterized in that: The printed circuit board and the pins of the plug pins are fixed by welding.

5. The shielded printed circuit board connector according to claim 4, characterized in that: The grounding plating layer is a copper layer.

6. The shielded printed circuit board connector according to claim 5, characterized in that: The tin layer is a tin spraying layer.

7. The shielded printed circuit board connector according to claim 6, characterized in that: The upper shielding cover and the lower shielding cover are both made of aluminum alloy, and the surfaces are both tin-plated.

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