| 摘要 |
A connector coupling structure includes a first connector and a second connector which can be coupled to each other, each connector including: a housing having a plurality of terminal accommodating chambers formed therein and a housing surface, and an opening portion which is formed on a front end side of the housing surface being on an engaged side and forming an upper surface over the terminal accommodating chambers; the first connector including a projected main coupling portion arranged at a middle portion of the housing surface of the first connector; the second connector including a recessed main coupling receiving portion arranged at a middle portion of the housing surface of the second connector, in which the first and second connectors are coupled by engaging the main coupling portion with the main coupling receiving portion while causing the respective housing surfaces to confront each other; projected retaining portions arranged on the housing surface of the first connector; and recessed retaining portions respectively engageable with the projected retaining portions, the recessed retaining portions being arranged at corresponding positions in the housing surface of the second connector to the respective projected retaining portions.
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