Double-chamber hydragass spring
A technology of oil-pneumatic spring and double air chamber, which is applied in the direction of spring, spring/shock absorber, gas-hydraulic shock absorber, etc. It can solve the problems of inconvenient installation and arrangement, troublesome maintenance, poor sealing performance, etc., and achieves convenient maintenance and good structure. Simple, good sealing effect
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[0018] like figure 1 As shown, a double-chamber oil-pneumatic spring mainly includes an upper lug 1, a lower lug 8, a master cylinder 5, an elastic component 4, a back pressure cylinder 6, a piston and a guide pipe 10 and the like. The upper lug 1 is located at the top of the master cylinder 5, and the lower lug 8 is located at the bottom of the back pressure cylinder 6, and they are connected by a threaded structure. Bearings 9 are installed inside the upper lug 1 and the lower lug 8, the side of the upper lug 1 is connected with the elastic part 4, the piston and the guide tube 10 are installed in the back pressure cylinder 6, and the back pressure cylinder 6 is integrated with the piston and the guide tube 10 And installed in the cylinder body of the master cylinder 5, the space between the upper surface of the piston and the master cylinder 5 and the space below the upper lug 1 together forms the main chamber 501, the main chamber 501 and the elastic member oil chamber 401...
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