A kind of waterproof sealTechnical field
The present invention relates to industrial part technical field, especially relate to a kind of waterproof seal.
Background technique
There is at present a kind of waterproof seal, comprise the body that is provided with center hole, in the bottom of body, be provided with radial convex loop, at the top of body, be provided with right angle chamfering.In use, be embedded into the through hole of the pump housing, its radial convex loop is close in the outerplanar of the pump housing.The top of body with through hole in step surface offset, because body top end face is plane, circumferential so spacing property is poor.
Summary of the invention
The deficiency existing for above-mentioned prior art, the object of this invention is to provide a kind of waterproof seal, and it is good that it has circumferential spacing property, the feature of good sealing effect.
To achieve these goals, the technical solution adopted in the present invention is: a kind of waterproof seal, comprise the body that is provided with center hole, body bottom is provided with radial convex loop, the top end face of described body is provided with at least three arc grooves, the side of described radial convex loop is provided with annular stiffening ring, and annular stiffening ring is provided with several cross reinforcings.
Wherein, the side of described radial convex loop is provided with some annular stiffening rings, and annular stiffening ring is provided with several cross reinforcings.
Wherein, the top end face of described body is provided with at least three polygonal grooves or scalloped recess.
Adopt after said structure, the advantage that compared to the prior art the present invention had is: it comprises the body that is provided with center hole, body bottom is provided with radial convex loop, the top end face of described body is provided with at least three arc grooves, the side of described radial convex loop is provided with annular stiffening ring, annular stiffening ring is provided with the body of several center holes, body bottom is provided with radial convex loop, the top end face of described body is provided with at least three arc grooves, the side of described radial convex loop is provided with annular stiffening ring, annular stiffening ring is provided with several cross reinforcings, the present invention is provided with at least three arc grooves by the top end face at body, and be provided with annular stiffening ring in the side of radial convex loop, during use, arc groove coordinates embedding with the projection of step surface in pump housing through hole, and radial convex loop is close to by the outerplanar of annular stiffening ring and stiffening rib and the pump housing, circumferential so spacing property is good, good sealing effect.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is structural representation of the present invention.
Fig. 2 is another structural representation of the present invention.
Embodiment
The following stated is only preferred embodiment of the present invention, does not therefore limit protection scope of the present invention.
As depicted in figs. 1 and 2: a kind of waterproof seal, comprise the body 1 that is provided with center hole, body 1 bottom is provided with radial convex loop 2, the top end face of described body 1 is provided with at least three arc grooves 3, the side of described radial convex loop 2 is provided with annular stiffening ring 6, annular stiffening ring 6 is provided with several cross reinforcings 5, also the side of described radial convex loop 2 can be provided with to some discrete annular stiffening rings 6, annular stiffening ring 6 is provided with several cross reinforcings 5, wherein, the top end face of described body 1 is provided with at least three polygonal grooves or scalloped recess, certainly also can be other shape, the present invention is provided with at least three arc grooves 3 by the top end face at body 1, and in the side of radial convex loop 2, be provided with annular stiffening ring 6, during use, arc groove 3 coordinates embedding with the projection of step surface in pump housing through hole, and radial convex loop 2 is close to the outerplanar of the pump housing by annular stiffening ring 6 and stiffening rib 5, circumferential so spacing property is good, good sealing effect.
The above is only better embodiment of the present invention, and the equivalence of doing according to structure, feature and principle described in patent claim of the present invention therefore all changes or modifies, and is included in patent claim of the present invention.