Bidirectional damper and shower door assembly

A bidirectional damper, comprising a mounting bracket, a tension spring, a damping cylinder and two engaging members, wherein:

• the mounting bracket comprises a first bracket plate and a second bracket plate with opposite main surfaces, the first bracket plate and the second bracket plate are spaced apart along a first direction, the mounting bracket further comprises a connecting plate connected between the first bracket plate and the second bracket plate, the connecting plate comprises a main body section and two extension sections, wherein the first bracket plate, the second bracket plate and the connecting plate are all elongated plates, length directions of the first bracket plate, the second bracket plate and the main body section are all in a second direction, the second direction is perpendicular to the first direction, and the main body section is connected between the two extension sections along the second direction;
• the damping cylinder, the tension spring and the two engaging members are all positioned between the first bracket plate and the second bracket plate;
• along a third direction, the damping cylinder and the tension spring are respectively arranged at two sides of the connecting plate, both of the two extension sections are bent from the main body section towards the tension spring, the third direction is perpendicular to the first direction, and the third direction is perpendicular to the second direction;
• the damping cylinder comprises two piston rods extending and retracting in the second direction, each of the two engaging members is hinged to a corresponding one of the two piston rods respectively, and damping directions of the two piston rods are opposite;
• the connecting plate is provided with two guide grooves passing through the connecting plate, each of the two guide grooves corresponds to a corresponding one of the two extension sections respectively, each of the guide grooves extends from corresponding extension section to the main body section, the guide grooves extend in the second direction on the main body section, each of the two engaging members is slidably arranged in a corresponding one of the two guide grooves respectively, and both of the two engaging members are connected with the tension spring;
• each engaging member is provided with a first guide, a first engaging tooth and a second engaging tooth, the first engaging tooth and the second engaging tooth are spaced apart along the second direction, and along the third direction, the first guide abuts against a side of the connecting plate facing away from the tension spring under the action of the tension spring, both the first engaging tooth and the second engaging tooth extend to a side of the connecting plate close to the damping cylinder.