Patent ID: 8851016
Filing Date: 2014-10-07
Classification: A01K

Abstract:
1. A breeding cage for experimental animals composed of a box body and a cover body, wherein the cover body has a length and a plurality of sides and covers the box body, the cover body having an arc portion, the cover body further comprising: an air intake disposed to a front of the cover body and toward one of the plurality sides, the air intake being inserted with an air intake valve; an air vent disposed to the front of the cover body and separated from the air intake, the air vent being inserted with an air vent valve; a partition located in the cover body extending toward the arc portion from the front of the cover body, the partition and the cover body defining a drainage channel, the drainage channel extending to the length of the cover body; and a vertical plate vertically connected to a horizontal plate for dividing the partition into an intake drainage channel and the drainage channel; wherein the air intake valve comprises a base, a flexible member, a first valve plug, a plug member and a sealing member, and the base is partially at an outside of the cover body and partially in the cover body, and the flexible member and the first valve plug are disposed in the cover body, and the plug member and the sealing member are disposed to the outside of the cover body, and the base comprises a plate hook portion, a first circular portion and a second circular portion, and the first circular portion is disposed to the plate hook portion near a side of the rear end of the cover body and outwardly disposed with a circular flange, and the first circular portion passes through the air intake and allows the circular flange to expose to an outside of the cover body, and the second circular portion is disposed to the plate hook portion that is distant from a side of the front of the cover body, and an inner diameter of the first circular portion is larger than an inner diameter of the second circular portion, and the first valve plug is disposed in the second circular portion and has a disc body and a cylinder body, and the cylinder body is near the second circular portion, and two ends of the flexible member respectively lean against the second circular portion and the disc body of the first valve plug, and the cylinder body is located in the flexible member, and the plug member has a head portion, an air guiding portion and a connection portion, and the head portion is disposed to the air guiding portion that is distant from a side of the base, and the connection portion is disposed to the air guiding portion near a side of the base, and the air guiding portion is intervally disposed with a plurality of air guiding ports at equivalent angles, and the connection portion is plugged in the cylinder body of the first valve plug through the base and the flexible member, and the sealing member is fit to the circular flange of the first circular portion.