A bidirectional damper for a shower door, comprising a mounting frame, a tension spring, a damping cylinder, a first coupling member, a second coupling member and two clamping members;
- wherein
- the mounting frame comprises a first frame plate and a second frame plate with opposite main surfaces, wherein the first frame plate and the second frame plate are connected by a connecting plate and two fixing blocks, the first frame plate, the second frame plate and the connecting plate all have strip plate bodies extending along a length direction of the mounting frame, the first frame plate and the second frame plate are spaced apart along a width direction of the mounting frame and are parallel to each other, the two fixing blocks are positioned at two ends of the mounting frame in the length direction, the connecting plate comprises a substantially horizontal main body section and two extension sections, and the two extension sections are connected to two ends of the main body section in a length direction of the main body section;
- the first frame plate, the second frame plate and the two fixing blocks define a mounting cavity, the connecting plate is configured to divide the mounting cavity into an upper cavity and a lower cavity, the upper cavity is located above the connecting plate, the lower cavity is located below the connecting plate, and a damping cylinder is fixed in the upper cavity;
- the connecting plate is provided with two guide grooves extending through the two extension sections respectively, the two guide grooves extend along the length direction of the mounting frame on the two extension sections, the two clamping members are respectively corresponding to the two guide grooves, and the respective clamping member is slidably mounted in the corresponding guide groove;
- an outer end of each of the two extension sections is bent downwards to form a vertical positioning plate, each guide groove extends from a center of the corresponding vertical positioning plate to the main body section, a first cover plate and a second cover plate are respectively provided at two ends of the main body section, the damping cylinder is placed in a space defined by the first cover plate and the second cover plate, and is located in the middle of the upper cavity;
- the bidirectional damper is characterized in that,
- the damping cylinder comprises a cylinder body which is a dual-cavity cylinder body, and two cylinder cavities of the dual-cavity cylinder body are arranged in parallel, axes of the two cylinder cavities are parallel to each other, while openings of the cylinder cavities face toward opposite directions, the two cylinder cavities correspond to a first piston rod and a second piston rod respectively, and, the first piston rod and the second piston rod are parallel to each other;
- or,
- the damping cylinder is composed of two separate parallel cylinder bodies which are arranged side by side with heads being adjacent to tails, the two cylinder bodies correspond to the first piston rod and the second piston rod respectively, and the first piston rod and the second piston rod are parallel to each other,
- wherein the first coupling member is provided with a cylindrical first wrapping part, a first blind hole is arranged at a center of one end of the cylindrical first wrapping part, the first blind hole is configured to socket the head of the first piston rod of the damping cylinder, a cylindrical first hinge part is provided at the other end of the cylindrical first wrapping part, the axes of the cylindrical first hinge part and the cylindrical first wrapping part are located in a same plane and perpendicular to each other, and the cylindrical first hinge part is hinged with a first clamping member of the two clamping members,
- wherein the second coupling member is provided with a cylindrical second wrapping part, a second blind hole is arranged at a center of one end of the cylindrical second wrapping part, the second blind hole is configured to socket the head of the second piston rod of the damping cylinder, a cylindrical second hinge part is provided at the other end of the cylindrical second wrapping part, the axes of the cylindrical second hinge part and the cylindrical second wrapping part are located in different planes and perpendicular to each other, the cylindrical second wrapping part and the cylindrical second hinge part are connected via a turning connecting part, and the cylindrical second hinge part is hinged with a second clamping member of the two clamping members;
- and
- a clamping opening is arranged at a lower part of each clamping member, the clamping opening extends into the lower cavity, the lower cavity accommodates the tension spring, and two ends of the tension spring are respectively connected with the respective clamping openings of the two clamping members to stretch the tension spring.