Board end dustproof connector

Abstract

The utility model relates to the technical field of connectors, and discloses a board end dustproof connector, which comprises a connector fixedly arranged on the surface of a PCB board body, a sealing mechanism arranged on one side of the connector, PINs fixed on the PCB board body through furnace welding, PCBA equipment has signal and current transmission capability, a sealing ring is arranged along a limiting groove, and the PINs are fixed on the PCB board body through the sealing mechanism. Gapless matching is achieved between the sealing ring and the connector and between the sealing ring and other shells, the dustproof function is achieved, electronic elements can be prevented from being damaged, equipment can work normally, the PCB installation holes and the PCB welding holes can be matched with the guide columns and the PINs, the guide bosses and the buckle grooves can be connected with the wire end plug-in pieces, circuit connection is achieved, and the sealing performance of the connector is improved. And the connector adopts insert injection molding, so that the strength of a plastic part can be ensured, the basic function of an electrical product can be met, the sealing ring adopts silicone rubber injection molding, and is extruded to elastically deform during installation, so that the assembly has compatibility, and a good dustproof sealing effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of connectors, in particular to a board-end dust-proof connector. Background Art

[0002] Connectors are components used to connect PCBAs and wire ends in electronic hardware devices. They provide electrical connections and mechanical fixation to achieve signal and current transmission and prevent other factors from interfering with the signal and current transmission process. As the application scenarios of electronic products continue to increase, electronic devices are becoming more and more sophisticated. In order to protect the components of electronic devices and avoid electronic components in complex working environments due to dust, which may cause insulation degradation, short circuits, grounding and other faults on the PCBA of electronic devices, dust prevention has become an important consideration in the development of electronic equipment.

[0003] The existing connector generally includes a main frame and terminals embedded in the main frame. The terminals include a large number of terminal units with small intervals, which are prone to crosstalk during signal transmission, resulting in slow signal transmission speed.

[0004] The patent document that has been made public, publication number: CN218123759U, discloses a connector, a board-end connector, a wire-end connector and a wire-to-board connector, including a main frame, two terminals and two grounding plates. The main frame forms a accommodating space, the two terminals are arranged at intervals along a first direction, and at least part of the two terminals are accommodated in the accommodating space, the two grounding plates are arranged between the two terminals, and the two grounding plates are respectively abutted against the two terminals, and the two grounding plates are abutted against each other. By setting the grounding plates, they can be connected to the terminals to form a shielding structure, which can reduce the crosstalk of the terminal signal transmission and improve the speed of the terminal signal transmission.

[0005] In view of the above problems, existing patents have provided solutions, but the existing board-end connectors lack certain protective measures during daily use, resulting in dust entering the connection port, which can easily cause malfunctions in electronic components. Utility Model Content

[0006] The purpose of the utility model is to provide a board-end dustproof connector, which can solve the problem that the existing board-end connector lacks certain protective measures during daily use, causing dust to enter the connection port and easily causing malfunctions of electronic components.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a board-end dustproof connector, comprising a PCB board body, a connector is fixedly arranged on the surface of the PCB board body, and a sealing mechanism is arranged on one side of the connector;

[0008] The sealing mechanism includes a connecting component and a sealing component, the connecting component includes a guide column, a PIN needle and a limit groove, one end of the guide column is fixedly arranged on one side of the bottom of the connector, the PIN needle is fixedly arranged on the bottom of the connector, the number of the guide columns is two groups and the number of the PIN needles is four groups, and the limit groove is opened on one side of the bottom of the connector.

[0009] Preferably, the sealing assembly includes a sealing ring, a limiting boss and a sealing ring slot, the sealing ring is arranged at one end of the connector, the limiting boss is fixedly arranged on the inner side of the bottom of the sealing ring, and the sealing ring slot is arranged on the side of the sealing ring.

[0010] Preferably, a PCB mounting hole and a PCB welding hole are provided on the surface of the PCB plate body, the PCB mounting hole cooperates with the guide column, and the PCB welding hole cooperates with the PIN needle.

[0011] Preferably, guide bosses are fixedly provided on the inner side surface of the connector, the number of the guide bosses is two groups, and a snap groove is opened on the inner top of the connector.

[0012] Preferably, an upper shell and a lower shell are provided at one end of the PCB board body, the upper shell and the lower shell correspond to one end of the sealing ring, and the upper shell and the lower shell cooperate with each other.

[0013] Preferably, the connector has four PIN pin structures and two guide column structures, and the height of the guide column is longer than the exposed length of the PIN pin.

[0014] Preferably, the connector is insert-molded using thermoplastic engineering plastic PBT and the plastic and metal are fused and molded in one step, and the sealing ring is injection-molded using silicone rubber.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. This application sets a sealing mechanism, and the PIN pin is fixed on the PCB board body through furnace welding. After welding, the PCBA device has the ability to transmit signals and current. The sealing ring is installed along the limit groove. There is no gap between the sealing ring and the connector and between the sealing ring and other shells. It has a dust-proof function, which can prevent electronic components from being damaged and enable the device to work normally.

[0017] 2. This application sets PCB mounting holes and PCB welding holes, which can be cooperated with guide columns and PIN pins to complete the production of PCBA. The guide boss and the buckle groove can be connected to the wire end plug-in to achieve circuit connectivity. The sealing ring slot is stuck in the lower shell, and the upper shell and the lower shell are locked. The connector adopts insert injection molding, which can ensure the strength of the plastic parts and meet the basic functions of electrical products. The sealing ring is injected with silicone rubber, which is elastically deformed by extrusion during installation, which can make the assembly compatible and ensure good dustproof sealing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 This is the overall structural view of the utility model;

[0020] Figure 2 This is the overall exploded structural view of the utility model;

[0021] Figure 3 This is the overall exploded structural view of the utility model;

[0022] Figure 4 This is a structural view of the PCB board body and connector of the utility model;

[0023] Figure 5 This is a structural view of the sealing ring of the utility model;

[0024] Figure 6 This is a structural view of the sealing component of the utility model;

[0025] Figure 7 This is a structural view of the connection component and the sealing component of the utility model;

[0026] Figure 8 The figure is a schematic diagram of the installation process of the board-side dustproof connector of the utility model.

[0027] Description of reference numerals:

[0028] 1. PCB board body; 2. Connector; 3. Sealing mechanism; 301. Connecting assembly; 302. Sealing assembly; 3011. Guide column; 3012. PIN needle; 3013. Limiting groove; 3021. Sealing ring; 3022. Limiting boss; 3023. Sealing ring slot; 4. PCB mounting hole; 5. PCB welding hole; 6. Guide boss; 7. Buckle slot; 8. Upper shell; 9. Lower shell. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figures 1 to 8 , the utility model provides a technical solution:

[0031] A board-end dustproof connector comprises a PCB board body 1, a connector 2 is fixedly arranged on the surface of the PCB board body 1, and a sealing mechanism 3 is arranged on one side of the connector 2;

[0032] The sealing mechanism 3 includes a connecting component 301 and a sealing component 302. The connecting component 301 includes a guide column 3011, a PIN needle 3012 and a limiting groove 3013. One end of the guide column 3011 is fixedly arranged on one side of the bottom of the connector 2. The PIN needle 3012 is fixedly arranged on the bottom of the connector 2. The number of guide columns 3011 is two groups and the number of PIN needles 3012 is four groups. The limiting groove 3013 is opened on one side of the bottom of the connector 2.

[0033] Specifically, Figure 6 As shown, the sealing assembly 302 includes a sealing ring 3021, a limiting boss 3022 and a sealing ring slot 3023. The sealing ring 3021 is arranged at one end of the connector 2, the limiting boss 3022 is fixedly arranged on the bottom inner side of the sealing ring 3021, and the sealing ring slot 3023 is arranged on the side of the sealing ring 3021.

[0034] By setting up the sealing mechanism 3 including the connecting component 301 and the sealing component 302, during use, the PIN needle 3012 is fixed on the PCB board body 1 through furnace welding. After welding, the PCBA device has the ability to transmit signals and current. The sealing ring 3021 is installed along the limiting groove 3013. There is no gap between the sealing ring 3021 and the connector 2 and between the sealing ring 3021 and other shells, which has a dustproof function, can prevent electronic components from being damaged, and enable the device to work normally.

[0035] Specifically, Figure 4 As shown, a PCB mounting hole 4 and a PCB welding hole 5 are provided on the surface of the PCB board body 1 , the PCB mounting hole 4 cooperates with the guide column 3011 , and the PCB welding hole 5 cooperates with the PIN needle 3012 .

[0036] Specifically, Figure 4 As shown, guide bosses 6 are fixedly provided on the inner side of the connector 2 , and there are two groups of guide bosses 6 . A snap groove 7 is provided on the inner top of the connector 2 .

[0037] Specifically, Figure 3 As shown, an upper shell 8 and a lower shell 9 are provided at one end of the PCB board body 1, and the upper shell 8 and the lower shell 9 correspond to one end of the sealing ring 3021, and the upper shell 8 and the lower shell 9 cooperate with each other.

[0038] Specifically, Figure 4 As shown, there are four PIN pins 3012 structures and two guide pillars 3011 structures on the connector 2, and the height of the guide pillars 3011 is longer than the exposed length of the PIN pins 3012.

[0039] Specifically, Figure 1 As shown, the connector 2 is insert-molded using thermoplastic engineering plastic PBT and the plastic and metal are fused and molded in one step, and the sealing ring 3021 is injection-molded using silicone rubber.

[0040] By setting the PCB mounting hole 4 and the PCB welding hole 5, the guide column 3011 and the PIN needle 3012 can be cooperated to complete the production of PCBA. The guide boss 6 and the buckle groove 7 can be connected with the wire end plug-in to achieve circuit connectivity. The sealing ring groove 3023 is stuck in the lower shell 9, and the upper shell 8 and the lower shell 9 are locked. The connector 2 adopts insert injection molding, which can ensure the strength of the plastic parts and meet the basic functions of electrical products. The sealing ring 3021 is made of silicone rubber injection molding, which is elastically deformed by extrusion during installation, which can make the assembly compatible and ensure a good dustproof sealing effect.

[0041] By adopting the above technical solution, the problem that the existing board-end connector lacks certain protective measures during daily use, causing dust to enter the connection port and easily causing malfunction of electronic components is solved.

[0042] Working principle: When the present application is in use, first, the PIN pin 3012 is fixed on the PCB board body 1 by furnace welding. After welding, the PCBA device has the ability to transmit signals and current. The sealing ring 3021 is installed along the limit groove 3013 on the connector 2, and the sealing ring slot 3023 is stuck in the lower shell 9. The upper shell 8 and the lower shell 9 are locked. The sealing ring 3021 is elastically deformed and squeezed. There is no gap between the sealing ring 3021 and the connector 2 and between the sealing ring 3021 and the upper shell 8 and the lower shell 9, which has a dust-proof function. The guide boss 6 and the buckle groove 7 can be connected to the wire end plug-in to achieve circuit connectivity.

[0043] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A board-end dustproof connector, comprising a PCB board body (1), characterized in that: A connector (2) is fixedly arranged on the surface of the PCB plate body (1), and a sealing mechanism (3) is arranged on one side of the connector (2); The sealing mechanism (3) comprises a connecting component (301) and a sealing component (302); the connecting component (301) comprises a guide column (3011), a PIN needle (3012) and a limiting groove (3013); one end of the guide column (3011) is fixedly arranged on one side of the bottom of the connector (2); the PIN needle (3012) is fixedly arranged on the bottom of the connector (2); the number of the guide columns (3011) is two groups and the number of the PIN needles (3012) is four groups; the limiting groove (3013) is opened on one side of the bottom of the connector (2).

2. The board-end dustproof connector according to claim 1, characterized in that: The sealing assembly (302) comprises a sealing ring (3021), a limiting boss (3022) and a sealing ring slot (3023); the sealing ring (3021) is arranged at one end of the connector (2); the limiting boss (3022) is fixedly arranged on the inner side of the bottom of the sealing ring (3021); and the sealing ring slot (3023) is arranged on the side of the sealing ring (3021).

3. The board-end dustproof connector according to claim 1, characterized in that: The surface of the PCB plate body (1) is provided with a PCB mounting hole (4) and a PCB welding hole (5); the PCB mounting hole (4) and the guide column (3011) cooperate with each other, and the PCB welding hole (5) and the PIN needle (3012) cooperate with each other.

4. The board-end dustproof connector according to claim 1, characterized in that: A guide boss (6) is fixedly provided on the inner side surface of the connector (2), and the number of the guide bosses (6) is two groups. A snap groove (7) is provided on the inner top of the connector (2).

5. The board-end dustproof connector according to claim 1, characterized in that: An upper shell (8) and a lower shell (9) are provided at one end of the PCB board body (1); the upper shell (8) and the lower shell (9) correspond to one end of the sealing ring (3021); and the upper shell (8) and the lower shell (9) cooperate with each other.

6. The board-end dustproof connector according to claim 1, characterized in that: The connector (2) has four PIN pins (3012) structures and two guide column (3011) structures, and the height of the guide column (3011) is longer than the exposed length of the PIN pins (3012).

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