一种连接器防水结构

Abstract

本实用新型公开一种连接器防水结构，包括有绝缘本体、端子和壳体；该端子设置于绝缘本体上；该壳体包覆于绝缘本体外；该壳体包括有内壳、EMI壳和外壳；该内壳位于基座的前侧，该内壳包括有筒体部和后封板，该筒体部内形成有开口朝前的插置腔，该后封板上开设有通孔，该舌板与通孔相适配并穿过通孔伸入插置腔内；该EMI壳包括有套合部和接合板，该套合部套合在舌板的后端并位于插置腔中；该外壳包覆于内壳外。通过采用无缝壳作为内壳，并配合后封板设置于基座的前侧与绝缘本体密封配合，同时EMI壳的接合板与后封板叠合固定，其结构简单，易于组装，利于量产，还可有效防止进入插置腔的水汽向后渗透至连接器的后端，防水性能更好，满足使用的需要。

Claims

1. A waterproof structure of a connector, comprising an insulating body, a terminal and a housing; the insulating body comprises a base and a tongue plate extending from the base; the terminal is arranged on the insulating body; the housing is wrapped outside the insulating body; the housing comprises an inner housing, an EMI housing and an outer housing; characterized in that: The inner shell is a seamless shell located on the front side of the base. The inner shell includes a cylindrical body and a rear sealing plate. The cylindrical body has a forward-facing insertion cavity. The rear sealing plate is annular and integrally formed with the rear peripheral edge of the cylindrical body. The rear sealing plate is located on the front side of the base and is sealed to the insulating body. The rear sealing plate has a through hole. The tongue plate is adapted to the through hole and extends into the insertion cavity through the through hole. The EMI shell includes a fitting part and a connecting plate. The fitting part fits onto the rear end of the tongue plate and is located in the insertion cavity. The connecting plate is integrally formed with the rear peripheral edge of the fitting part. The connecting plate is located on the front side of the base and is stacked and fixed together with the rear sealing plate. The outer shell covers the inner shell.

2. The waterproof structure of a connector according to claim 1, characterized by: The fitting part is adapted to the through hole and extends from back to front through the through hole into the insertion cavity. The connecting plate is attached to the rear side of the rear sealing plate and spot welded to fix it.

3. The waterproof structure of a connector according to claim 2, characterized by: The EMI shell is a seamless shell, and the connecting plate is annular and is sealed to the front side of the base.

4. The waterproof connector structure according to claim 1, characterized in that: The EMI shell has a fixing lug extending out, and the fixing lug has a snap hole. The base has a protruding buckle, which engages with the snap hole to secure it. The connecting plate is attached to the front side of the base, and the connecting plate is attached to the rear side of the rear sealing plate and spot welded to secure it.

5. The waterproof structure of a connector according to claim 1, characterized by: The rear sealing plate is sealed and fitted to the front side of the base. The EMI shell is located in the insertion cavity. The joining plate is fitted and spot-welded to the front side of the rear sealing plate.

6. The waterproof structure of a connector according to claim 5, wherein: The EMI shell is a seamless shell, and the joining plate is annular, which is sealed and fitted to the front side of the rear cover plate.

7. The waterproof structure of a connector according to claim 1, characterized by: The inner shell is made of metal and is formed by stretching.

8. The waterproof structure of a connector according to claim 1, characterized by: The EMI shell is a metal stretched shell or a metal stamped shell.

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