Foldable bed box spring

An adjustable height box spring comprising:

• a first upper bed frame comprising:
• a first upper rectangular frame;
• and
• plurality of first upper indents configured on sides and corners of the first upper rectangular frame;
• a second upper bed frame pivotally connected to the first upper bed frame, the second upper bed frame comprising:
• a second upper rectangular frame;
• and
• plurality of second upper indents configured on sides and corners of the second upper rectangular frame;
• a first lower bed frame comprising:
• a first lower rectangular frame;
• and
• plurality of first lower upper indents configured on sides and corners of the first lower rectangular frame;
• a second lower bed frame configured to detachably attach with the first lower bed frame comprising:
• a second lower rectangular frame;
• and plurality of second lower indents configured on sides and corners of the second lower rectangular frame;
• a third lower bed frame pivotally connected to the first lower bed frame, the third lower bed frame comprising:
• a third lower rectangular frame;
• and
• plurality of third lower indents configured on sides and corners of the third lower rectangular frame;
• plurality of hinges configured to attach a longitudinal side of the first upper bed frame with a longitudinal side of the second upper bed frame, wherein the pivotally attached first upper bed frame rests on top of the second upper bed frame when folded,
• wherein the plurality of hinges configured to attach a longitudinal side of the first lower bed frame with a longitudinal side of the third lower bed frame, wherein the pivotally attached first lower bed frame rests on top of the third lower bed frame when folded;
• and
• plurality of attachment units configured to detachably attach the first upper bed frame with the first lower bed frame, and the second upper bed frame with the second lower bed frame, wherein each attachment unit comprising:
• at least one of a first rod;
• and a second rod;
• wherein the first rod comprising:
• a first open top;
• a first cylindrical rod extending from the first open top;
• and
• a first threaded screw attached to a bottom of the first cylindrical rod;
• wherein the second rod comprising:
• a second open top;
• a second cylindrical rod extending from the second open top;
• and
• a second threaded screw attached to a bottom of the second cylindrical rod;
• wherein the first open top is configured to align with one of the first upper indents and the first threaded screw detachably locks at one of the first lower indents;
• and wherein the second rod is configured to detachably lock at least one of:
• the first open top;
• and at least one of the first lower indents, further at least one of the attachment units is configured to detachably attach the second upper bed frame with the first upper bed frame.