Catalyst fixing support

The utility model discloses a catalyst fixing support which is provided with a connecting support, a first end of the connecting support is connected with an engine cylinder body; the first end of the transition support is connected with the second end of the connecting support, a kidney-shaped hole is formed in the second end of the connecting support, and the first end of the transition support is installed on the kidney-shaped hole through a bolt; the second end of the transition support is connected with the three-way catalyst, distributed installation is carried out, and the problem that the space and precision requirements are high is solved. 本实用新型公开了一种催化器固定支架，具有：连接支架，其第一端与发动机缸体连接；过渡支架，其第一端与连接支架的第二端连接，连接支架的第二端上设有腰型孔，过渡支架的第一端通过螺栓安装在腰型孔上；三元催化器，过渡支架的第二端与三元催化器连接，进行分布安装，解决空间和精度要求高的问题。