JP2011510209A5 - - Google Patents

Claims (15)

A housing;
A scroll compressor assembly having a first scroll compressor body and a second scroll compressor body, wherein the second scroll compressor body is provided to be movable relative to the housing, and the scroll compression body The machine assembly includes a respective base portion and a respective scroll rib projecting from the respective base portion, the respective scroll ribs engage with each other, and the scroll rib surrounds a central axis as a whole, and the scroll The compressor assembly is provided to be movable relative to each other along the first and second horizontal axes, and is configured such that the first and second horizontal axes and the central axis are substantially orthogonal to each other. A scroll compressor assembly;
A key coupling acting on the second scroll compressor body, wherein the second scroll compressor body is provided to be movable relative to the key joint along the second horizontal axis; The joint has a first pair of contact portions that slide in cooperation with the second scroll compressor body, and is a region on the same side as viewed from the first horizontal axis, A key coupling having first and second contact portions acting in opposite regions as viewed from the horizontal axis, wherein different keys provide the different first and second contact portions. And comprising:
Scroll compressor.   2. The scroll compressor according to claim 1, wherein the first and second contact portions exist in a region on the same side as viewed from the first horizontal axis. The key joint and the second scroll compressor body further have a second pair of contact portions that slide in cooperation, and are opposed to the first pair as viewed from the first horizontal axis. 3rd and 4th contact part which acts in the field by the side of the 2nd side, and the 3rd and 4th contact part acts in the field of the side facing each other seeing from the 2nd horizontal axis, The scroll compressor according to claim 1 or 2.   The second scroll compressor body has first and second guide flanges, and the key coupling includes a ring body and the first, second, third and fourth contact portions to provide the first and second contact flanges. First, second, third and fourth keys projecting from the ring body, each of the four keys being four quadrants defined by the first and second horizontal axes. The first flange slides between the first and second keys along the second horizontal axis, and the second flange is the first flange. The scroll compressor according to claim 3, wherein the scroll compressor is configured to slide between the third and fourth keys along the second horizontal axis.   The key joint is provided to be slidable relative to the first scroll compressor body along the first horizontal axis, and the key joint projects from the ring body. And the fifth and sixth keys are respectively housed in first and second key grooves defined by the first scroll compressor body, and the fifth and sixth keys, The scroll compressor according to claim 4, wherein the first and second keyways are configured to be aligned on the first horizontal axis. The first and second contact portions are provided along protruding keys that engage along a surface provided by a non-slot provided by one of the second scroll compressor body and the key coupling. The scroll compressor according to any one of claims 1 to 3 .   The key is a part of the key joint and protrudes from the ring body, and the movement along the second horizontal axis is guided without using the ear piece structure or the slot of the second scroll compressor body. The scroll compressor according to claim 6. The first scroll compressor body is fixed relative to the housing, and the second scroll compressor body moves relative to the housing and the first scroll compressor body around the orbital path. The scroll compressor as described in any one of Claim 1 thru | or 7 provided so that it was possible. The second scroll compressor body has third and fourth flanges for thrust load, and the third and fourth flanges are orthogonal to the first and second guide flanges as a whole, and And the third and fourth flanges are provided on the ring body between the first and third keys, and between the second and third keys. The scroll compressor according to claim 4 or 5, which is provided so as to be movable between keys. A housing;
A drive unit having a rotational output on an output shaft rotating about a central axis and housed in the housing, the output shaft having an offset drive that is offset relative to the central axis A drive unit;
A scroll compressor assembly provided in the housing, having a fixed scroll compressor body and a movable scroll compressor body, wherein the scroll compressor assembly includes a respective base portion and a respective scroll projecting from the respective base portion. Each of the scroll ribs is engaged with each other, the scroll rib surrounds the central axis as a whole, the fixed scroll compressor body is fixed relative to the housing, and the movable scroll The compressor body has a drive hub projecting from the base that slidably receives the offset drive section, and rotation of the drive shaft operably drives the movable scroll compressor body along a track path. A scroll compressor assembly configured;
A key coupling for guiding the movement of the movable scroll compressor body along the first and second horizontal axes with the second scroll compressor body, wherein the first and second horizontal axes are the center; The movable scroll compressor body includes first and second guide flanges, and the key joint includes a ring body, and first, second, third, and fourth. A first key, a second key, a third key, and a fourth key protruding from the ring body toward the movable scroll compressor body, each of the four keys The first guide flange is disposed between one of the first and second keys, and the first guide flange is disposed between the first and second keys. And sliding along the second horizontal axis in the second An id flange slides along the second horizontal axis between the third and fourth keys, and the key joint has fifth and sixth keys projecting from the ring body; And the sixth key are respectively housed in first and second keyways defined by the fixed scroll compressor body to allow relative linear movement along the first transverse axis. A key coupling configured to be configured;
Scroll compressor. The scroll compressor according to claim 10 , wherein the first, second, third and fourth keys are not received in the slots. An asymmetrical running clearance is provided between the four keys and the movable scroll compressor body, and the asymmetrical running clearance is arranged to correct the backlash of the key clearance and minimize the wear due to the line contact load. The scroll compressor according to claim 10 or 11 , wherein the scroll compressor is used. The scroll compressor according to claim 12 , wherein the asymmetric running clearance is achieved by placing each pair of keys relatively offset with respect to the second horizontal axis. The scroll compressor according to claim 12 or 13 , wherein the asymmetric running clearance is achieved by disposing the guide flange relatively offset with respect to the second horizontal axis. The second scroll compressor body has third and fourth flanges for thrust load, and the third and fourth flanges are orthogonal to the first and second guide flanges as a whole, and And the third and fourth flanges are provided on the ring body between the first and third keys, and between the second and third keys. The scroll compressor according to any one of claims 10 to 14, which is provided so as to be movable between keys.