Double sealings high-pressure grease pouring valve
A grease injection valve and double-sealing technology, which is applied to engine components, engine lubrication, lubricating parts, etc., to achieve the effects of preventing medium leakage, long service life and good sealing performance
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[0009] As shown in the embodiment shown in the drawings, the double-sealed high-pressure grease injection valve of the present invention includes a valve body 1, a valve tip 4, the valve tip 4 is placed in the inner cavity of the valve body 1, and is supported on the valve by a first spring (5-1) On the body (1); the upper part of the valve tip 4 is provided with a movable hard sealing ball 2, which is supported on the upper part of the valve tip by a second spring 5-2, and the movable hard sealing ball 2 and the grease hole 8 in the valve body cavity are produced Spherical line sealing, the hard sealing ball 2 can be a steel ball; the cone surface of the valve tip 4 is provided with an elastic sealing ring 3, and the elastic sealing ring 3 contacts and seals with the cone surface in the grease hole 8 of the valve body cavity. The elastic sealing ring 3 It is best to use a fluorine rubber O-ring seal to adapt to harsh environments. Grease is injected under high pressure, and the b...
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