Rubber ring with quincunx-shaped cross section

Abstract

The utility model discloses a rubber ring with a quincunx-shaped cross section, which is characterized in that grooves are formed in the middle positions of the upper end, the lower end, the inner edge and the outer edge of a rubber ring main body, and the rubber ring main body is divided into an inner side upper circular bulge, an outer side upper circular bulge, an inner side lower circular bulge and an outer side lower circular bulge through the grooves; the rubber ring is reasonable in structure, and when the inner edge or the outer edge or the upper end or the lower end of the rubber ring body is in contact with a sealing face, the rubber ring body is not prone to falling off when the rubber ring body is not in contact with the sealing face, and the rubber ring body is not prone to falling off when not in contact with the sealing face or not in contact with the sealing face or not in contact with the sealing face or not in contact with the sealing face or not in contact with the sealing face or not in contact with the sealing face. Due to the fact that the upper end, the lower end, the inner edge and the outer edge of the rubber ring body are all provided with the grooves, the diameter and the inner diameter of a sealing object or the distance between the two sealing faces can be matched with a certain range, and the adaptability is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to rubber ring technical field, concretely is a rubber ring of plum blossom shape cross section. BACKGROUND

[0002] The rubber ring is annular cover that one or several parts are composed, is fixed on one ring or washer of bearing and contacts or forms narrow labyrinth gap with another ring or washer, prevents lubricating oil from leaking and outside object from intruding.

[0003] The cross section of traditional rubber ring is generally circular, in use, the size of the existing cross section circular sealing ring needs to be completely matched with the outer diameter or inner diameter of the sealing element or the distance between two sealing surfaces, otherwise the sealing effect will be affected, the adaptability is not high, and the cross section circular sealing ring generally has only one contact surface between the sealing surface, also has limitation, therefore, an improved technology is urgently needed to solve the problem existing in the prior art. UTILITY MODEL CONTENT

[0004] The utility model discloses a plum blossom shape cross section rubber ring, when the rubber ring main part is in contact with the sealing surface, two circular protrusions are extruded with the sealing surface, and the sealing property is greatly improved, and since the upper end, lower end, inner edge and outer edge of the rubber ring main part are all provided with grooves, the rubber ring has a certain deformation amount, even if the diameter of the sealing surface matched with the inner edge is slightly larger, the diameter of the sealing surface matched with the outer edge is slightly smaller, and the distance between the upper and lower clamping surfaces is too close, the left upper circular protrusion, right upper circular protrusion, left lower circular protrusion or right lower circular protrusion of the plum blossom shape cross section rubber ring can all move through the grooves, the diameter of the sealing object, the inner diameter or the distance between the two sealing surfaces can be adapted to a certain range, and the adaptability is greatly improved, so as to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a plum blossom shape cross section rubber ring, including rubber ring main part, the rubber ring main part is circular ring structure, the upper end, lower end, inner edge and outer edge of the rubber ring main part all are provided with groove in the middle position, the rubber ring main part is divided into the inside upper circular protrusion, the outside upper circular protrusion, the inside lower circular protrusion and the outside lower circular protrusion through the groove, the outer surface of the rubber ring main part located inside upper circular protrusion, outside upper circular protrusion, inside lower circular protrusion, outside lower circular protrusion and each groove is provided with antiskid line.

[0006] Preferably, the plum blossom shape cross section rubber ring provided by the utility model, wherein, the outer diameter of the inside upper circular protrusion, the outside upper circular protrusion, the inside lower circular protrusion and the outside lower circular protrusion is consistent.

[0007] Preferably, the utility model provides a rubber ring of plum blossom cross section, wherein the width and depth of the groove at the upper end, lower end, inner edge and outer edge of the rubber ring body are consistent.

[0008] Preferably, the utility model provides a rubber ring of plum blossom cross section, wherein the width and depth of the groove at the upper end, lower end, inner edge and outer edge of the rubber ring body are consistent.

[0009] Compared with the prior art, the utility model has the beneficial effects that:

[0010] (1) the rubber ring body has two circular protrusions for extrusion with the sealing surface when the inner edge, outer edge, upper end or lower end contacts the sealing surface, and the sealing property is greatly improved, and since the upper end, lower end, inner edge and outer edge of the rubber ring body are provided with grooves, the rubber ring body has a certain deformation amount, even if the diameter of the sealing surface matched with the inner edge is slightly larger, the diameter of the sealing surface matched with the outer edge is slightly smaller, the distance between the upper and lower clamping surfaces is too close, the left upper circular protrusion, right upper circular protrusion, left lower circular protrusion or right lower circular protrusion of the rubber ring of plum blossom cross section can realize the moving amount of movement through the groove, and the diameter of the sealed object, the inner diameter or the distance between the two sealing surfaces can be adapted to a certain range, and the adaptability is greatly improved.

[0011] (2) the rubber ring body is provided with anti-skid lines on the outer surface and uniformly arranged in the circumferential direction, and can realize anti-skid in some environments. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a cross-sectional structure schematic view of the utility model;

[0013] Figure 2 It is a top view structure (anti-skid lines are not shown) schematic view of the utility model;

[0014] Figure 3 It is a state schematic view when the sealing surface is connected with the inner side of the utility model;

[0015] Figure 4 It is a state schematic view when the sealing surface is connected with the outer side of the utility model;

[0016] Figure 5 It is a state schematic view when the sealing surface is clamped on the upper end and lower end of the utility model.

[0017] In the drawing: rubber ring body 1, inner side upper circular protrusion 2, outer side upper circular protrusion 3, inner side lower circular protrusion 4, outer side lower circular protrusion 5, groove 6, anti-skid line 7. DETAILED DESCRIPTION

[0018] The technical solutions of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0019] It should be noted that, in the description of the utility model, it should be noted that the terms "inner", "outer", "upper", "lower", "two sides", "one end", "the other end", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0020] Please refer to Figures 1-2 The utility model provides a kind of technical solutions: a rubber ring with plum blossom cross section, including rubber ring main body 1, rubber ring main body 1 is circular ring structure, recess 6 is set in the middle position of upper end, lower end, inner edge and outer edge of rubber ring main body 1, rubber ring main body 1 is divided into inner side upper circular boss 2, outer side upper circular boss 3, inner side lower circular boss 4 and outer side lower circular boss 5 by recess 6, the outer diameter of inner side upper circular boss 2, outer side upper circular boss 3, inner side lower circular boss 4, outer side lower circular boss 5 is consistent, to ensure that the distance of rubber ring main body 1 four corners outward is identical, to ensure that the inner diameter of rubber ring main body 1 at inner side upper circular boss 2 and inner side lower circular boss 4 is identical, the outer diameter of rubber ring main body 1 at outer side upper circular boss 3 and outer side lower circular boss 5 is identical, the height of rubber ring main body 1 at inner side upper circular boss 2 and outer side upper circular boss 3 top position is identical, the height of rubber ring main body 1 at inner side lower circular boss 4 and outer side lower circular boss 5 bottom position is identical, the width and depth of recess 6 at upper end, lower end, inner edge and outer edge of rubber ring main body 1 are identical, to ensure that the angle of inner side upper circular boss 2, outer side upper circular boss 3, inner side lower circular boss 4 and outer side lower circular boss 5 outward extension is identical, to ensure that when rubber ring main body 1 is pressed, corresponding circular boss bending rate is identical, the outer surface of rubber ring main body 1 at inner side upper circular boss 2, outer side upper circular boss 3, inner side lower circular boss 4, outer side lower circular boss 5 and each recess 6 is provided with anti-skid line 7, anti-skid line 7 is arranged along the circumferential direction of rubber ring main body 1, to realize anti-skid function.

[0021] Method and principle: first, through the upper die lower die after molding, by injection molding rubber material filled into the mold groove, after molding, the upper die rises, and the rubber ring body 1 from the lower die groove is taken out. First, the rubber has the ductility of movement, second, the upper end, lower end, inner edge and outer edge of the rubber ring body 1 are provided with grooves 6, so that the inner side of the lower circular protrusion 4 and the outer side of the lower circular protrusion 5 are close to each other when the rubber ring body 1 is taken out from the mold groove, so that the rubber ring body 1 can be taken out from the mold groove of the lower die. When in use, the rubber ring body 1 has two circular protrusions in contact with the sealing surface, whether it is inner edge, outer edge, upper end or lower end, which greatly improves the sealing performance (as shown in Figures 3-5 Since the upper end, lower end, inner edge and outer edge of the rubber ring body 1 are provided with grooves 6, it has a certain deformation amount, even if the sealing surface diameter cooperating with the inner edge is slightly larger, the sealing surface diameter cooperating with the outer edge is slightly smaller, and the distance between the upper and lower clamping surfaces is too close, the inner side of the upper circular protrusion 2 of the plum blossom shaped rubber ring, the outer side of the upper circular protrusion 3, the inner side of the lower circular protrusion 4 or the outer side of the lower circular protrusion 5 can realize the movement of the movement amount through the groove 6. The diameter of the sealed object, the inner diameter or the distance between the two sealing surfaces can be adapted to a certain range, and the adaptability is greatly improved; the outer surface of the rubber ring body 1 is uniformly arranged with anti-skid lines 7 in the circumferential direction, which can realize anti-skid in some environments.

[0022] The parts not described in the utility model are known to those skilled in the art.

[0023] Finally, it should be pointed out that: the above specific embodiments are only used to illustrate the technical scheme of the utility model and are not limited, although the utility model is described in detail with reference to the embodiments, those skilled in the art should understand that the technical scheme of the utility model can be modified and replaced, without departing from the spirit and scope of the utility model technical scheme, which should be covered in the scope of the claims of the utility model.

Claims

1. A rubber ring with a plum blossom-shaped cross section, characterized by: The invention comprises a rubber ring body (1), wherein the rubber ring body (1) is a circular ring structure, and grooves (6) are provided at the upper end, the lower end, the inner edge and the middle position of the outer edge of the rubber ring body (1). The rubber ring body (1) is divided into an inner upper circular protrusion (2), an outer upper circular protrusion (3), an inner lower circular protrusion (4) and an outer lower circular protrusion (5) through the grooves (6). The outer surfaces of the rubber ring body (1) located at the inner upper circular protrusion (2), the outer upper circular protrusion (3), the inner lower circular protrusion (4), the outer lower circular protrusion (5) and each groove (6) are provided with anti-slip grooves (7).

2. The rubber ring with a plum blossom-shaped cross section according to claim 1, characterized in that: The outer diameters of the inner upper circular protrusion (2), the outer upper circular protrusion (3), the inner lower circular protrusion (4), and the outer lower circular protrusion (5) are all consistent.

3. The rubber ring with a plum blossom-shaped cross section according to claim 1, characterized in that: The width and depth of the grooves (6) located at the upper end, lower end, inner edge and outer edge of the rubber ring body (1) are consistent.

4. The rubber ring with a plum blossom-shaped cross section according to claim 1, characterized in that: The anti-slip patterns (7) are all arranged along the circumferential direction of the rubber ring body (1).

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