Composite flexible connection structure of hollow riveting through type electric water heater double liner

The utility model belongs to the technical field of electric water heaters, and particularly relates to a composite flexible connection structure of double containers of a hollow riveting through type electric water heater. In order to reliably connect an upper liner and a lower liner of the electric water heater and avoid welding defects caused by welding, and meanwhile, communication of the upper liner and the lower liner ensures effective sealing of a connecting pipeline and reduces the distance between the liners as much as possible; the utility model provides the technical scheme of the composite flexible connection structure of the hollow riveting through type electric water heater double container. The utility model relates to a composite flexible connection structure of double containers of a hollow riveting through type electric water heater. The composite flexible connection structure comprises an upper inner container, a lower inner container, an upper connection pipeline and a lower connection pip