Sealing rubber ring

Abstract

The utility model discloses a sealing rubber ring which comprises a ring body, two outer sealing rings which are distributed up and down and can be contracted into the ring body are arranged on the outer side wall of the ring body, three inner sealing rings which are distributed up and down at equal intervals are arranged on the inner side wall of the ring body, and two containing cavities which are symmetrically distributed up and down are formed in the outer side wall of the ring body. The width of the containing cavity is matched with the thickness of the outer sealing ring. The elastic columns are matched with the containing cavities, so that when the rubber ring is installed, the outer sealing ring can be contracted into the containing cavities under the extrusion effect, the rubber ring can be rapidly installed, after installation is completed, under the elastic force effect of the elastic columns, the outer sealing ring expands outwards, and therefore the sealing effect of the rubber ring is improved. And the rubber ring and an object can be tightly connected, so that the sealing performance during use is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of sealing parts, and in particular relates to a sealing rubber ring. Background Art

[0002] In various mechanical, chemical, metallurgical and other equipment, in order to prevent the leakage of liquids and gases, it is necessary to provide effective seals at the equipment interface and appropriate places. For this purpose, sealing rings and gaskets are usually used as the most basic sealing elements. Sealing rings are widely used because of their elasticity, stable performance, low swelling in the medium, and small thermal shrinkage effect.

[0003] The existing sealing rubber ring can only form a sealing connection surface when in contact with an object, resulting in a poor sealing effect. When the sealing connection surface is damaged, the sealing performance of the sealing rubber ring will fail. Utility Model Content

[0004] The utility model aims to provide a sealing rubber ring to solve the technical problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the specific technical scheme of the utility model is as follows: a sealing rubber ring, including a ring body, the outer side wall of the ring body is provided with two outer sealing rings distributed up and down and retractable into the ring body, and the inner side wall of the ring body is provided with three inner sealing rings distributed up and down with equal intervals.

[0006] Preferably, the outer wall of the ring body is provided with two accommodating cavities which are symmetrically distributed up and down, the width of the accommodating cavity is consistent with the thickness of the outer sealing ring, and the outer sealing ring is slidably connected to the accommodating cavity, and the inner wall of the outer sealing ring is connected to the inner wall of the accommodating cavity by a plurality of elastic columns distributed in a circular array.

[0007] Preferably, the elastic column includes a sliding sleeve fixedly connected to the inner wall of the outer sealing ring, the sliding sleeve is slidably connected to an inner rod in the inner cavity at one end away from the outer sealing ring, the end of the inner rod is fixedly connected to the inner wall of the accommodating cavity, and a spring is sleeved on the inner rod, one end of the spring is connected to the sliding sleeve, and the other end is connected to the end of the inner rod.

[0008] Preferably, upper and lower outer edges of the ring body, upper and lower outer edges of the outer sealing ring, and upper and lower outer edges of the inner sealing ring are all provided with rounded corners.

[0009] Preferably, the upper and lower side walls of the outer sealing ring are both provided with a plurality of grooves distributed in a circumferential array.

[0010] Preferably, the upper surface of the ring body is flush with the upper surface of the inner sealing ring located above, and the lower surface of the ring body is flush with the lower surface of the inner sealing ring located below.

[0011] The sealing rubber ring of the utility model has the following advantages:

[0012] 1. The utility model cooperates with the elastic column and the accommodating cavity, so that when the rubber ring is installed, the outer sealing ring can be retracted into the accommodating cavity under the extrusion effect, which is convenient for quickly installing the rubber ring. After the installation is completed, the outer sealing ring expands outward under the elastic force of the elastic column, so that the rubber ring can be closely connected with the object to ensure the sealing performance during use, and through the cooperation between the upper and lower outer sealing rings, multiple sealing connection surfaces are formed, which further improves the sealing effect.

[0013] 2. By setting up three upper and lower inner sealing rings, the inside of the rubber ring forms three sealing contact surfaces with the object, which further ensures the sealing effect, so that even if one of the sealing contact surfaces fails, it will not affect the sealing performance of the rubber ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

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

[0016] Figure 2 It is a structural schematic diagram of the ring body in the utility model;

[0017] Figure 3 It is a structural schematic diagram of the outer and inner sealing rings of the utility model;

[0018] Figure 4 for Figure 3 A magnified view of middle;

[0019] Explanation of the markings in the figure: 1. ring body; 2. outer sealing ring; 3. inner sealing ring; 4. groove; 5. accommodating chamber; 6. elastic column; 7. sliding sleeve; 8. inner rod; 9. spring. DETAILED DESCRIPTION

[0020] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the embodiments of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0021] In the description of the embodiments of the present invention, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", etc. indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention 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 embodiments of the present invention.

[0022] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0023] In the embodiments of the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0024] The disclosure below provides many different embodiments or examples for realizing different structures of the embodiments of the present utility model. In order to simplify the disclosure of the embodiments of the present utility model, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the present utility model. In addition, the embodiments of the present utility model can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0025] In order to better understand the purpose, structure and function of the utility model, a sealing rubber ring of the utility model is further described in detail below in conjunction with the accompanying drawings.

[0026] like Figure 1-4As shown, a sealing rubber ring of the utility model comprises a ring body 1, the outer side wall of the ring body 1 is provided with two outer sealing rings 2 distributed up and down and retractable into the ring body 1, the outer side wall of the ring body 1 is provided with two accommodating cavities 5 distributed up and down symmetrically, the width of the accommodating cavity 5 is consistent with the thickness of the outer sealing ring 2, and the outer sealing ring 2 is slidably connected to the accommodating cavity 5, the inner wall of the outer sealing ring 2 is connected to the inner wall of the accommodating cavity 5 by a plurality of elastic columns 6 distributed in a circumferential array, and the cooperation between the elastic columns 6 and the accommodating cavity 5 facilitates the outer sealing ring 2 to be retracted into the accommodating cavity 5 under the action of extrusion when installing the rubber ring, so that the rubber ring can be quickly installed, and after installation, the outer sealing ring 2 is expanded outward under the elastic force of the elastic columns 6, so that the rubber ring can be tightly connected to the object to ensure the sealing during use, and a plurality of sealing connection surfaces are formed by the cooperation between the upper and lower outer sealing rings 2, thereby further improving the sealing effect. The elastic column 6 includes a sleeve 7 fixedly connected to the inner wall of the outer sealing ring 2, and an inner rod 8 is slidably connected to the inner cavity of the sleeve 7 away from the outer sealing ring 2. The end of the inner rod 8 is fixedly connected to the inner wall of the accommodating cavity 5, and a spring 9 is sleeved on the inner rod 8. One end of the spring 9 is connected to the sleeve 7, and the other end is connected to the end of the inner rod 8. The cooperation between the sleeve 7, the inner rod 8 and the spring 9 is conducive to the contraction and expansion of the outer sealing ring 2 in the accommodating cavity 5. The upper and lower side walls of the outer sealing ring 2 are both provided with a plurality of grooves 4 distributed in a circumferential array. The provision of the grooves 4 increases the friction between the rubber ring and the contact surface of the object.

[0027] The inner wall of the ring body 1 is provided with three inner sealing rings 3 which are equally spaced up and down. The outer edges of the upper and lower sides of the ring body 1, the outer edges of the upper and lower sides of the outer sealing ring 2, and the outer edges of the upper and lower sides of the inner sealing ring 3 are all provided with rounded corners. The setting of the rounded corners facilitates the installation of the rubber ring. The upper surface of the ring body 1 is flush with the upper surface of the inner sealing ring 3 located above, and the lower surface of the ring body 1 is flush with the lower surface of the inner sealing ring 3 located below. Through the setting of the three upper and lower inner sealing rings 3, the inside of the rubber ring forms three sealing contact surfaces with the object, further ensuring the sealing effect, so that even if one of the sealing contact surfaces fails, it will not affect the sealing of the rubber ring. The ring body 1, the outer sealing ring 2, and the inner sealing ring 3 are all made of rubber material.

[0028] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A sealing rubber ring, characterized in that: The ring body (1) comprises a ring body (1), wherein the outer side wall of the ring body (1) is provided with two outer sealing rings (2) distributed vertically and retractable into the interior of the ring body (1), and the inner side wall of the ring body (1) is provided with three inner sealing rings (3) distributed vertically and at equal intervals.

2. A sealing rubber ring according to claim 1, characterized in that: The outer wall of the ring body (1) is provided with two accommodating cavities (5) which are symmetrically distributed in an upper and lower direction, the width of the accommodating cavities (5) matches the thickness of the outer sealing ring (2), and the outer sealing ring (2) is slidably connected to the accommodating cavities (5), and the inner wall of the outer sealing ring (2) and the inner wall of the accommodating cavities (5) are connected via a plurality of elastic columns (6) distributed in a circumferential array.

3. A sealing rubber ring according to claim 2, characterized in that: The elastic column (6) comprises a sliding sleeve (7) fixedly connected to the inner wall of the outer sealing ring (2); an inner rod (8) is slidably connected to the inner cavity of one end of the sliding sleeve (7) away from the outer sealing ring (2); the end of the inner rod (8) is fixedly connected to the inner wall of the accommodating cavity (5); and a spring (9) is sleeved on the inner rod (8); one end of the spring (9) is connected to the sliding sleeve (7) and the other end is connected to the end of the inner rod (8).

4. A sealing rubber ring according to claim 1, characterized in that: The upper and lower outer edges of the ring body (1), the upper and lower outer edges of the outer sealing ring (2), and the upper and lower outer edges of the inner sealing ring (3) are all provided with rounded corners.

5. The sealing rubber ring according to claim 1, characterized in that: The upper and lower side walls of the outer sealing ring (2) are both provided with a plurality of grooves (4) distributed in a circumferential array.

6. A sealing rubber ring according to claim 1, characterized in that: The upper surface of the ring body (1) is flush with the upper surface of the inner sealing ring (3) located above, and the lower surface of the ring body (1) is flush with the lower surface of the inner sealing ring (3) located below.

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