Oil buffer
The utility model discloses an oil buffer which is good in buffering effect, convenient to machine and refuel and capable of saving cost. The oil buffer comprises an external pressure cylinder, an internal pressure cylinder, a pressure storage device, a bearing, a rear cover, a spring, a piston and...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The utility model discloses an oil buffer which is good in buffering effect, convenient to machine and refuel and capable of saving cost. The oil buffer comprises an external pressure cylinder, an internal pressure cylinder, a pressure storage device, a bearing, a rear cover, a spring, a piston and a piston rod, wherein the spring and the piston are arranged in the internal pressure cylinder, the piston rod is connected to the piston, the bottom of the internal pressure cylinder is provided with a conical table and an oil inlet/outlet hole, an oil leading hole and a conical cavity communicated with the oil inlet/outlet hole are formed in the conical table, the rear cover is provided with a conical protruding block corresponding to the conical cavity, an oil leading pipeline is formed between the conical protruding block and the conical table, a pressure storage cavity is formed between the external pressure cylinder and the internal pressure cylinder, the pressure storage device is arranged in the pressure storage cavity, one end of the oil leading hole is communicated with the pressure storage cavity, and the other end of the oil leading hole is communicated with the oil leading pipeline. |
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