Novel O-shaped rubber ring

Abstract

The utility model relates to the technical field of sealing rings, and discloses a novel O-shaped rubber ring which comprises an O-shaped rubber ring body, the section of the rubber ring body is circular, the section of the rubber ring body is circular, the rubber ring body comprises an inner core, the inner core is located on the innermost layer, and the outer core is located on the innermost layer. The inner core is wrapped with an inner layer, the outer surface of the inner layer is wrapped with an outer layer, and the outer surface of the outer layer is processed to form a joint line. By arranging the joint line deviating to the horizontal plane, a certain included angle is formed between the joint line and the horizontal plane, when the rubber ring body is used, the joint line can be prevented from making contact with equipment when the upper surface and the lower surface make contact with the equipment and when the inner surface and the outer surface make contact with the equipment, and the sealing effect is guaranteed; and chippings and foreign matters generated by abrasion of a joint line can be avoided, and the conditions that the interior of equipment is blocked, stuck and the like are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing rings, in particular to a novel O-type rubber ring. Background Art

[0002] O-type rubber seals are used between the connectors of equipment to play a sealing role. At present, most domestic civil and industrial equipment O-type sealing rubber ring products, with different specifications and sizes, have a conventional structure of 180° parting surface, which is made by pressing the upper mold plate and the lower mold plate. The inner and outer sides of this O-type rubber ring will produce a raised parting line. Generally, the area with the parting line is exactly the working surface of the O-type rubber ring. The raised parting line is easy to wear when the equipment is running, and foreign matter will be generated, which is easy to cause blockage and jamming inside the equipment, so that the O-type ring of this structure cannot work on high-precision, high-speed, and high-strength machinery. Therefore, those skilled in the art provide a new type of O-type rubber ring to solve the problems raised in the above background technology. Utility Model Content

[0003] The purpose of the utility model is to provide a novel O-type rubber ring to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A new type of O-type rubber ring includes a rubber ring body, which is O-shaped and has a circular cross-section. The cross-section of the rubber ring body is circular, and the rubber ring body includes an inner core, which is located in the innermost layer. The inner core is wrapped with an inner layer on the outside, and the outer surface of the inner layer is covered with an outer layer. The outer surface of the outer layer is processed to form a parting line, and there are two parting lines, one of which is located on the inner side of the outer layer, and the other parting line is located on the outer side of the outer layer, and the two parting lines are respectively located on the upper side and the lower side of the inner core.

[0006] As a further solution of the utility model: the angle between the two parting lines and the horizontal plane where the inner core is located is in the range of 30 to 60 degrees.

[0007] As a further solution of the utility model: the protrusion height of the parting line is 0.1-0.3 mm.

[0008] Compared with the prior art, the beneficial effects of the utility model are:

[0009] By setting the parting line toward the horizontal plane, a certain angle is formed between the parting line and the horizontal plane. When the rubber ring body is used, the parting line can avoid contact with the equipment when the upper and lower surfaces are in contact with the equipment as well as when the inner and outer surfaces are in contact with the equipment. While ensuring the sealing effect, it can also avoid the debris and foreign matter caused by the wear of the parting line, and will not cause blockage or jamming inside the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a structural schematic diagram of a new type of O-type rubber ring;

[0011] Figure 2 It is a partial structural schematic diagram of a new type of O-type rubber ring;

[0012] Figure 3 for Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0013] Figure 4 This is a demonstration diagram of the force direction of a new type of O-type rubber ring.

[0014] In the figure: 1, rubber ring body; 11, inner core; 12, inner layer; 13, outer layer; 14, parting line. DETAILED DESCRIPTION

[0015] See also Figures 1 to 4 In an embodiment of the utility model, a new type of O-type rubber ring includes a rubber ring body 1, which is O-shaped and has a circular cross-section. The cross-section of the rubber ring body 1 is circular, and the rubber ring body 1 includes an inner core 11, which is located in the innermost layer, and the outer surface of the inner core 11 is wrapped with an inner layer 12, and the outer surface of the inner layer 12 is covered with an outer layer 13, and the outer surface of the outer layer 13 is processed to form a parting line 14, and there are two parting lines 14, one parting line 14 is located on the inner side of the outer layer 13, and the other parting line 14 is located on the outer side of the outer layer 13, and the two parting lines 14 are respectively located on the upper side and the lower side of the inner core 11.

[0016] Preferably, Figure 4 In the embodiment, the included angle between the parting line 14 and the horizontal plane is β, β is greater than 30°, and the included angle α is the range where the parting line 14 is located, and the range of α is 0 to 30°.

[0017] Preferably, the protrusion height of the parting line 14 is 0.1-0.3 mm. When the rubber ring body 1 is squeezed, the smaller parting line 14 can avoid contact with the equipment.

[0018] The working principle of the utility model is as follows: since the rubber ring body 1 is made by pressing the upper template and the lower template of the mold, a parting line 14 is generated during the processing, and the parting line 14 is set to be biased towards the horizontal plane, so that a certain angle is formed between the parting line 14 and the horizontal plane. When the rubber ring body 1 is used, the parting line 14 can avoid contacting the equipment when the upper and lower surfaces are in contact with the equipment as well as when the inner and outer surfaces are in contact with the equipment, thereby ensuring the sealing effect and avoiding debris and foreign matter caused by wear of the parting line 14, and preventing blockage or jamming inside the equipment.

[0019] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A novel O-type rubber ring, comprising a rubber ring body (1), wherein the rubber ring body (1) is O-shaped and the cross section of the rubber ring body (1) is circular, and is characterized in that: The cross section of the rubber ring body (1) is circular. The rubber ring body (1) comprises an inner core (11), wherein the inner core (11) is located in the innermost layer, the inner core (11) is wrapped with an inner layer (12) on the outside, and the outer surface of the inner layer (12) is covered with an outer layer (13), and the outer surface of the outer layer (13) is processed to form a parting line (14), wherein there are two parting lines (14), one of which is located on the inner side of the outer layer (13), and the other of which is located on the outer side of the outer layer (13), and the two parting lines (14) are respectively located on the upper side and the lower side of the inner core (11).

2. A novel O-type rubber ring according to claim 1, characterized in that: The angle between the two parting lines (14) and the horizontal plane where the inner core (11) is located is in the range of 30 to 60 degrees.

3. A novel O-type rubber ring according to claim 1, characterized in that: The protrusion height of the parting line (14) is 0.1 to 0.3 mm.

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