Sealing ring shaped like Chinese character'tian '

Abstract

The utility model relates to a sealing ring shaped like a Chinese character'yi ', which comprises a sealing ring body, the cross section of the sealing ring body is shaped like a Chinese character'yi', the sealing ring body comprises a middle vertical ring, a middle transverse ring, an upper transverse ring and a lower inclined foot, the middle transverse ring is integrally formed in the middle of the middle vertical ring, the upper transverse ring is integrally formed on the end portion of the inner side of the middle vertical ring, and the lower inclined foot is arranged on the middle vertical ring. The lower inclined feet are located at the end of the outer side of the middle vertical ring, the two lower inclined feet are symmetrically arranged, and the ends, away from the middle vertical ring, of the two lower inclined feet are arranged away from each other.

Description

Technical Field

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

[0002] In industrial production, valves, as key components for controlling fluid flow, play an important role in various industries. Especially for valves that need to work in high-pressure, high-temperature or strongly corrosive environments, the quality of valve sealing rings is directly related to the safety and efficiency of the system. Since the valve sealing ring is part of the valve seat, the valve sealing ring is generally installed on a hard base to form the valve seat, and the base is fixed to the valve body. Among them, the valve sealing ring is used for sealing cooperation with the valve core. When the valve is closed, the valve core presses tightly on the valve sealing ring to form a tight sealing surface, thereby preventing fluid from passing through. Traditional valve sealing rings may not fully meet the high standards of modern industry for sealing performance in some cases. In addition, although some existing specially designed sealing rings have improved the sealing performance to a certain extent, there are still the following deficiencies. For example, although some sealing rings with complex shapes have improved the sealing performance, they have increased the installation difficulty and reduced the maintenance efficiency.

[0003] Therefore, there is an urgent need to develop a new type of sealing ring that can simplify the installation process while ensuring good sealing performance. Summary of the Utility Model

[0004] The utility model provides a Tian-shaped sealing ring, which solves the above problems existing in the prior art during use.

[0005] The technical solution of the utility model is realized as follows: A Tian-shaped sealing ring includes a sealing ring body. The cross-section of the sealing ring body is Tian-shaped. The sealing ring body includes a middle vertical ring, a middle horizontal ring, an upper horizontal ring and lower inclined feet. The middle horizontal ring is integrally formed in the middle of the middle vertical ring. The upper horizontal ring is integrally formed at the end of the inner side of the middle vertical ring. The lower inclined feet are located at the end of the outer side of the middle vertical ring. There are two lower inclined feet arranged symmetrically. One end of the two lower inclined feet far from the middle vertical ring is arranged to be away from each other.

[0006] Preferably, the middle vertical ring is inclined from the outer side towards the inner side.

[0007] Preferably, a convex corner line is formed by the middle part of the upper horizontal ring bulging towards the inner side. The two sides of the upper horizontal ring are inclined towards the middle horizontal ring from the convex corner line. The cross-section of the upper horizontal ring and the middle vertical ring is arrow-shaped.

[0008] Preferably, the two sides of the middle horizontal ring are inclined towards the side away from the upper horizontal ring from the middle vertical ring.

[0009] Preferably, both of the lower inclined feet are provided with abutting protrusions on the sides away from each other.

[0010] Preferably, there is an acute-angle opening between the two lower inclined feet.

[0011] Preferably, an elastic support ring is arranged in the acute-angle opening.

[0012] In summary, the beneficial effects of the present utility model are as follows:

[0013] 1. The cross-section of the sealing ring body of the present utility model is in the shape of a Chinese character 'tian'. It can be easily installed on the base to form a valve seat. As long as the two lower inclined feet are closed towards the middle and clamped into the corresponding grooves on the base, the installation can be completed, which is very simple. Moreover, the middle horizontal ring can also cover the grooves on the base for the lower inclined feet to be clamped into, thereby improving the sealing performance. In addition, the upper horizontal ring is used to seal with the valve core to form a sealing surface, and the middle vertical ring can play a good supporting role. In summary, the present utility model can simplify the installation process while ensuring good sealing performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0015] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0016] Figure 2 It is a schematic cross-sectional structure diagram of the present utility model;

[0017] Figure 3 It is a schematic cross-sectional three-dimensional structure diagram of the present utility model;

[0018] Figure 4 It is a schematic diagram of the structure of the present utility model installed on the base and sealingly cooperating with the valve core;

[0019] Figure 5 For Figure 4 a partial enlarged schematic diagram at A in

[0020] In the figure: 1. Sealing ring body; 11. Middle vertical ring; 12. Middle horizontal ring; 13. Upper horizontal ring; 131. Convex angle line; 14. Lower inclined foot; 141. Abutting protrusion; 15. Acute-angle opening; 2. Elastic support ring; 3. Base; 31. Installation groove; 4. Valve core. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The following will be combined with the accompanying drawings in the embodiments of the present utility model Figures 1-5 to clearly and completely describe the technical solutions in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] Embodiment:

[0023] As Figures 1 to 5 shown, the present utility model discloses a Tian-shaped sealing ring, which includes a sealing ring body 1. The cross-section of the sealing ring body 1 is Tian-shaped. Specifically, as Figure 2 and Figure 3 shown, the sealing ring body 1 includes a middle vertical ring 11, a middle horizontal ring 12, an upper horizontal ring 13 and lower inclined feet 14. The middle horizontal ring 12 is integrally formed in the middle of the middle vertical ring 11. The upper horizontal ring 13 is integrally formed at the end inside the middle vertical ring 11, and the lower inclined feet 14 are located at the end outside the middle vertical ring 11. Among them, there are two lower inclined feet 14 arranged symmetrically, and the ends of the two lower inclined feet 14 away from the middle vertical ring 11 are arranged to be away from each other.

[0024] As Figure 5 shown, the cross-section of the sealing ring body 1 of the present utility model is Tian-shaped, which can be easily installed on the base 3 to form a valve seat. The base 3 is fixed on the valve body, which is the prior art. An installation groove 31 for the lower inclined feet 14 to be inserted into is opened on the base 3. During installation, as long as the two lower inclined feet 14 are closed towards the middle and inserted into the installation groove 31 on the base 3, the installation can be completed, which is very simple. Moreover, the middle horizontal ring 12 can also cover the installation groove 31 on the base 3, thereby improving the sealing performance. In addition, the lower inclined feet 14 are also closely attached to the inner side wall of the installation groove 31, and both the sealing effect and the firmness of the cooperation are very good. In addition, the upper horizontal ring 13 is used to form a seal with the valve core 4. The valve core 4 in this embodiment is the sphere in the ball valve, and the middle vertical ring 11 can play a good supporting role. To sum up, the present utility model can simplify the installation process while ensuring good sealing performance.

[0025] Furthermore, the middle vertical ring 11 is inclined from the outside to the inside, so that the middle vertical ring 11 can be perpendicular to the outer surface of the valve core 4, thereby better supporting the upper horizontal ring 13 and enabling better cooperation between the upper horizontal ring 13 and the outer surface of the valve core 4.

[0026] Furthermore, a convex corner loop line 131 is formed by the middle part of the upper horizontal loop 13 bulging inward. The two sides of the upper horizontal loop 13 to the convex corner loop line 131 are inclined towards the middle horizontal loop 12. The cross-sections of the upper horizontal loop 13 and the middle vertical loop 11 are arrow-shaped. The convex corner loop line 131 is used to fit on the outer surface of the valve core 4 to form a line seal, with reliable sealing effect and less wear.

[0027] In the present utility model, the two sides of the middle horizontal loop 12 to the middle vertical loop 11 are inclined towards the side away from the upper horizontal loop 13. As Figure 5 shown, the middle horizontal loop 12 of this structure can better cover the base 3 and fit with the base 3 to form a sealing surface, thereby effectively preventing the medium in the valve body from entering the installation groove 31 of the base 3.

[0028] In the present utility model, the two lower inclined feet 14 are both provided with abutting protrusions 141 on the side away from each other. The setting of the abutting protrusions 141 facilitates being stuck in the installation groove 31 of the base 3 and is not easy to come out, thereby improving the reliability of the structure.

[0029] In the present utility model, an acute-angle opening 15 is provided between the two lower inclined feet 14. The setting of the acute-angle opening 15 facilitates the two lower inclined feet 14 to close towards the middle and thus be stuck into the installation groove 31. Further, an elastic support ring 2 is provided in the acute-angle opening 15. Before the lower inclined feet 14 are stuck into the installation groove 31, the elastic support ring 2 is first placed in the acute-angle opening 15, and then the two lower inclined feet 14 are pressed towards the middle with a little force and the two lower inclined feet 14 are inserted into the installation groove 31 of the base 3, thereby completing the installation. The elastic support ring 2 can spread the two lower inclined feet 14 apart, thereby further strengthening the structural strength of the lower inclined feet 14 installed in the installation groove 31, preventing it from shaking, and thus also improving the sealing effect.

[0030] At the same time, it should be pointed out that the terms used in the present utility model, such as: "front", "rear", "vertical", "horizontal", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the protection scope of the present utility model.

[0031] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A Tianzi-shaped sealing ring, comprising a sealing ring body, characterized in that: The cross-section of the sealing ring body is in the shape of a Chinese character 'tian', and the sealing ring body includes a middle vertical ring, a middle horizontal ring, an upper horizontal ring and lower inclined feet. The middle horizontal ring is integrally formed in the middle of the middle vertical ring. The upper horizontal ring is integrally formed at the end of the inner side of the middle vertical ring. The lower inclined feet are located at the ends of the outer side of the middle vertical ring. There are two lower inclined feet which are symmetrically arranged, and the ends of the two lower inclined feet far away from the middle vertical ring are arranged to be away from each other.

2. The Tianzi-shaped sealing ring according to claim 1, characterized in that: The middle vertical ring is inclined from the outer side towards the inner side.

3. The Tianzi-shaped sealing ring according to claim 2, characterized in that: A convex angle loop line is formed by the middle part of the upper horizontal ring bulging towards the inner side. The two sides of the upper horizontal ring to the convex angle loop line are inclined towards the middle horizontal ring, and the cross-sections of the upper horizontal ring and the middle vertical ring are in the shape of an arrow.

4. The Tianzi-shaped sealing ring according to claim 2, characterized in that: The two sides of the middle horizontal ring to the middle vertical ring are inclined towards the side away from the upper horizontal ring.

5. The Tianzi-shaped sealing ring according to claim 2, characterized in that: Both of the two lower inclined feet are provided with abutting protrusions on the side away from each other.

6. The Tianzi-shaped sealing ring according to claim 5, characterized in that: There is an acute angle opening between the two lower inclined feet.

7. The Tianzi-shaped sealing ring according to claim 6, characterized in that: An elastic support ring is arranged in the acute angle opening.

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