Guide cone assembly for sampler

The utility model provides a guide cone assembly for a sampler, and belongs to the technical field of oil field underground sampling. The guide cone assembly for the sampler comprises a guide cone head and a connector connected with the guide cone head, the guide cone head and the connector are respectively provided with a through hole for a to-be-tested sample in a shaft to pass through, and a filter body for filtering impurities in the to-be-tested sample is arranged in each through hole; the sampler comprises a sampling barrel, and the lower end of the sampling barrel is connected with a guide cone assembly through a lower valve. According to the utility model, through the arrangement of the filter body, solid impurities such as sand grains in a sample to be detected are effectively prevented from entering the lower valve connected with the guide cone assembly, so that the sealing performance of the lower valve is improved. 本实用新型提供了一种取样器用导锥组件，属于油田井下取样技术领域。取样器用导锥组件包括导锥头和与导锥头相连的接头，导锥头和接头分别具有供井筒内的待测样本通过的通过孔，通