Drive mechanism for vehicle tubocompressor
A scroll compressor and drive mechanism technology, applied in machine/engine, rotary piston machine, liquid fuel engine, etc., can solve the problem of small adjustment range, reduced eccentric block and compressor service life, and little change in the volume of the closed cavity and other problems, to achieve the effect of large radial adjustment range, extended service life and high cooling efficiency
Inactive Publication Date: 2007-12-19
SANDEN HUAYU AUTOMOTIVE AIR CONDITIONING CO LTD
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Problems solved by technology
[0005] 1. Because the eccentric wheel protrusion 321 in the prior art is a cylindrical structure and the concave hole 312 is larger than the diameter of the eccentric wheel protrusion 321, so when the eccentric shaft 31 rotates, the eccentric wheel 32 will rotate with respect to the eccentric shaft due to the centrifugal effect. Rotation is formed, because the rotation consumes a certain amount of energy, so the radial movement range of the eccentric wheel 32 is not large, that is, the radial movement range of the driving mechanism is not large (that is, the adjustment range is small), resulting in little or even no change in the volume of the closed cavity. A closed cavity is formed so that the cooling effect is not strong
[0006] 2. When the eccentric block swings, the direct impact between it and the main shaft will produce abnormal sound, and the impact will reduce the service life of the eccentric block and the compressor
[0007] 3. Rivets are used to connect the eccentric wheel and the balance weight. In this way, the overall volume is large, which is not conducive to the development of the compressor in the direction of compact structure.
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[0035] The present invention provides a scroll compressor driving mechanism for a vehicle, which includes: an eccentric shaft, an eccentric wheel and a balance weight.
[0036] Please refer to Figures 4A-4C first, Figure 4A is a perspective view of an embodiment of the eccentric shaft provided by the present invention; Figure 4B is a front view of an embodiment of the eccentric shaft provided by the present invention; Figure 4C is an eccentric shaft provided by the present invention Left side view of an embodiment of . As shown in the figure, a concave hole 412 and an eccentric shaft protrusion 411 are provided on one end surface of the eccentric shaft 41 . The eccentric shaft protrusion 411 is divided into front and rear sections I and II by the groove 413, and the rear section II is cut off both sides in the axial direction at a symmetrical position on the cylinder to form a centrally symmetrical hexahedron, wherein the four sides of the hexahedron are respectively It is a ...
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The present invention belongs to a compressor drive mechanism, in particular, it relates to a vehicle scroll compressor drive mechanism. Said vehicle scroll compressor drive mechanism includes the following three portions of eccentric shaft, eccentric wheel and counterbalance. Said invention also provides the concrete structure of above-mentioned every portion, and also provides the working principle of said vehicle scroll compressor drive mechanism and its concrete operation method.
Description
technical field [0001] The invention relates to a compressor driving mechanism, in particular to a scroll compressor driving mechanism for a vehicle. Background technique [0002] Combining with Fig. 1 and Fig. 2, first introduce the driving and guiding mechanism of the scroll compressor and its working principle. Figure 1 is a cross-sectional view of a compressor, and Figure 2 is an engagement gradient diagram of an orbiting scroll and a fixed scroll. As shown in the figure, the scroll compressor driving mechanism for a vehicle includes: an eccentric shaft 11 (also referred to as a main shaft), an eccentric wheel 12 and a balance weight 13 . Wherein, the eccentric wheel 12 is connected with the movable scroll 14 through the bearing 16, and the scroll surface of the movable scroll 14 of the driving machine and the scroll surface of the fixed scroll 15 are engaged together as shown in FIG. 2 . When the eccentric shaft 11 rotates, the eccentric wheel 12 vibrates relative to ...
Claims
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Inventor 钟民先何斌王人杰
Owner SANDEN HUAYU AUTOMOTIVE AIR CONDITIONING CO LTD