High-pressure combined sealing ring

Abstract

The utility model discloses a high-pressure combined sealing ring which comprises a main sealing ring, a first O-shaped sealing ring and a second O-shaped sealing ring, a clamping groove is formed in the side face of the main sealing ring, and the first O-shaped sealing ring is installed at the position, located in the clamping groove, of the main sealing ring. A mounting groove is formed in the top of the main sealing ring, and a second O-shaped sealing ring is mounted at the position, located in the mounting groove, of the main sealing ring. The main sealing ring comprises the lower sealing ring and the upper sealing ring, the lower sealing ring and the upper sealing ring are of an integrated structure, the section of the lower sealing ring is rectangular, the section of the upper sealing ring is inverted trapezoidal, the upper sealing ring can be tightly attached to a sealed part after being pressed, and the sealing effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing rings, in particular to a high-pressure combined sealing ring. Background Art

[0002] The sealing ring, also known as the O-ring, is an accessory used for sealing. It mainly includes V-ring, U-ring, O-ring, rectangular ring, Y-ring, YX-ring for hole, YX-ring for hole, YX-ring for shaft, YX-ring for shaft, etc.

[0003] The existing publication number CN219623232U discloses a high-pressure combined sealing ring, including a T-shaped sealing ring, a V-shaped pan-seal sealing ring, a Y-shaped sealing ring, a U-shaped sealing ring and a retaining ring, wherein one end of the T-shaped sealing ring is against a sealed surface, and the other end of the T-shaped sealing ring is provided with a C-shaped groove; the V-shaped pan-seal sealing ring includes a main body and an elastic member, the elastic member is accommodated inside the main body and partially exposed on the surface of the main body, and the T-shaped sealing ring is stacked on the elastic member through the C-shaped groove; the main body is stacked on the Y-shaped sealing ring, the Y-shaped sealing ring is stacked on the U-shaped sealing ring, and the U-shaped sealing ring is against the top of the retaining ring, so that the T-shaped sealing ring, the V-shaped pan-seal sealing ring, the Y-shaped sealing ring, the U-shaped sealing ring and the retaining ring are stacked in sequence to form a combined sealing ring; the Y-shaped sealing ring is inserted into the U-shaped sealing ring, so that the U-shaped sealing ring wraps and protects the Y-shaped sealing ring, reduces the impact of the working medium on the Y-shaped sealing ring, and prolongs the service life of the Y-shaped sealing ring.

[0004] The edge of the sealing ring in the prior art is a linear structure, which may result in poor sealing under high pressure. In order to solve the above technical problems, we propose a high-pressure combined sealing ring. Utility Model Content

[0005] The utility model aims to provide a high-pressure combined sealing ring to solve the problems in the prior art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-pressure combined sealing ring, comprising a main sealing ring, a first O-ring and a second O-ring, wherein a groove is provided on the side of the main sealing ring, and the first O-ring is installed in the groove of the main sealing ring; an installation groove is provided on the top of the main sealing ring, and the second O-ring is installed in the installation groove of the main sealing ring.

[0007] Preferably, the main sealing ring comprises a lower sealing ring and an upper sealing ring, the lower sealing ring and the upper sealing ring are an integrated structure, the cross-sectional shape of the lower sealing ring is a rectangle, and the cross-sectional shape of the upper sealing ring is an inverted trapezoid.

[0008] Preferably, the cross-sectional shape of the mounting groove is V-shaped, and the bottom of the mounting groove is an arc-shaped structure.

[0009] Preferably, two of the card slots and two of the first O-shaped sealing rings are provided, and the cross-sectional shape of the card slot is larger than half a circle.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. The main sealing ring includes a lower sealing ring and an upper sealing ring. The lower sealing ring and the upper sealing ring are an integrated structure. The cross-sectional shape of the lower sealing ring is a rectangle, and the cross-sectional shape of the upper sealing ring is an inverted trapezoid. After being compressed, the upper sealing ring can fit tightly on the sealed part to improve the sealing effect.

[0012] 2. The main sealing ring is located in the card groove and is installed with a first O-shaped sealing ring. There are two of each of the card groove and the first O-shaped sealing ring. The cross-sectional shape of the card groove is larger than half a circle. The first O-shaped sealing ring improves the sealing effect of the side of the sealing ring. An installation groove is provided on the top of the main sealing ring. The main sealing ring is located in the installation groove and is installed with a second O-shaped sealing ring. The second O-shaped sealing ring improves the sealing effect of the end of the sealing ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a top view of the utility model;

[0016] Figure 3 It is a cross-sectional view of the utility model.

[0017] In the figure: 1. main sealing ring; 2. first O-shaped sealing ring; 3. second O-shaped sealing ring; 11. lower sealing ring; 12. upper sealing ring; 13. mounting groove. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is claimed, but merely represents selected embodiments of the utility model.

[0019] See also Figure 1-3 In an embodiment of the utility model, a high-pressure combined sealing ring comprises a main sealing ring 1, a first O-shaped sealing ring 2 and a second O-shaped sealing ring 3. A groove is provided on the side of the main sealing ring 1, and the main sealing ring 1 is provided with a first O-shaped sealing ring 2 installed in the groove. The groove and the first O-shaped sealing ring 2 are both provided with two, and the cross-sectional shape of the groove is greater than one-half circle. The first O-shaped sealing ring 2 improves the sealing effect of the side of the sealing ring; an installation groove 13 is provided on the top of the main sealing ring 1, and the main sealing ring 1 is provided with a second O-shaped sealing ring 3 installed at the installation groove 13, and the second O-shaped sealing ring 3 improves the sealing effect of the end of the sealing ring.

[0020] The main sealing ring 1 includes a lower sealing ring 11 and an upper sealing ring 12. The lower sealing ring 11 and the upper sealing ring 12 are an integrated structure. The cross-sectional shape of the lower sealing ring 11 is a rectangle, and the cross-sectional shape of the upper sealing ring 12 is an inverted trapezoid. The upper sealing ring 12 is arranged so that the upper sealing ring 12 can fit tightly on the sealed part after being compressed, thereby improving the sealing effect; the cross-sectional shape of the mounting groove 13 is a V-shape, and the bottom of the mounting groove 13 is an arc-shaped structure.

[0021] The working principle of the utility model is as follows: a main sealing ring 1 is located in a card groove and is installed with a first O-shaped sealing ring 2, two of the card groove and the first O-shaped sealing ring 2 are provided, the cross-sectional shape of the card groove is greater than half a circle, and the first O-shaped sealing ring 2 improves the sealing effect of the side of the sealing ring; a mounting groove 13 is provided on the top of the main sealing ring 1, and a second O-shaped sealing ring 3 is installed on the main sealing ring 1 at the mounting groove 13, and the second O-shaped sealing ring 3 improves the sealing effect of the end of the sealing ring; the cross-sectional shape of the upper sealing ring 12 is an inverted trapezoid, and the upper sealing ring 12 is provided so that the upper sealing ring 12 can be tightly fitted on the sealed component after being pressurized, thereby improving the sealing effect.

[0022] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A high pressure combined sealing ring, characterized in that: The invention comprises a main sealing ring (1), a first O-shaped sealing ring (2) and a second O-shaped sealing ring (3); a groove is provided on the side of the main sealing ring (1), and the first O-shaped sealing ring (2) is installed in the groove; a mounting groove (13) is provided on the top of the main sealing ring (1), and the second O-shaped sealing ring (3) is installed in the mounting groove (13) of the main sealing ring (1).

2. A high pressure combined sealing ring according to claim 1, characterized in that: The main sealing ring (1) comprises a lower sealing ring (11) and an upper sealing ring (12); the lower sealing ring (11) and the upper sealing ring (12) are of an integrated structure; the cross-sectional shape of the lower sealing ring (11) is a rectangle; and the cross-sectional shape of the upper sealing ring (12) is an inverted trapezoid.

3. A high pressure combined sealing ring according to claim 2, characterized in that: The cross-sectional shape of the mounting groove (13) is V-shaped, and the bottom of the mounting groove (13) is an arc-shaped structure.

4. A high pressure combined sealing ring according to claim 1, characterized in that: The clamping groove and the first O-shaped sealing ring (2) are both provided with two, and the cross-sectional shape of the clamping groove is larger than half of a circle.

Images