To provide a connector for an ultrasonic signal of an ultrasonic endoscope to secure a coupling strength of a partial exterior part constituting an exterior member without being restricted by size and shape.A circuit board to which an ultrasonic signal cable is connected, an inner frame which supports a circuit board, an inner frame which is constituted by combining a plurality of partial exterior parts in a watertight manner, accommodates an internal frame and a circuit board in an internal space and fixes An ultrasonic signal connector is constituted by an exterior member fixed to the internal frame by the means and an exterior member and a separation regulating portion which is provided in the exterior member and the internal frame at a position different from the fixing means and regulates separation of the plural partial exterior portions .(FIG.【課題】超音波内視鏡の超音波信号用コネクタで、大きさや形状による制約を受けずに外装部材を構成する部分外装部の結合強度を確保する。【解決手段】超音波信号ケーブルが接続する回路基板と、回路基板を支持する内部フレームと、複数の部分外装部を水密に組み合わせて構成され、内部空間に内部フレーム及び回路基板を収容して固定手段によって内部フレームと固定される外装部材と、固定手段と異なる位置で外装部材と内部フレームに設けられ、複数の部分外装部の分離を規制する分離規制部とによって超音波信号用コネクタを構成した。【選択図】図12
