Buffer bottle capable of adjusting inflation pressure

The utility model discloses a buffer bottle capable of adjusting inflation pressure in the technical field of logistics devices, which comprises a complete plastic bottle body, a sealing inflation cover capable of inflating the bottle body is detachably mounted on the bottle body, an inflating valve is arranged on the sealing inflation cover, the bottle body is filled with flame-retardant gas, andthe inflating valve is communicated with the bottle body. When the bottle is used, the sealing inflation cover and the bottle opening are screwed tightly, gas in the bottle is convenient to seal, then the bottle is inflated through the inflating valve, the gas in the bottle cannot leak out, and due to the fact that the bottle has certain hardness, the gas in the bottle can be kept under certain pressure, so that the bottle is not prone to leakage. The bottle body can be replaced by the plastic beverage bottle, the replaceability is very high, the buffer bottle is replaced by the easily available plastic beverage bott