O-shaped sealing ring

Abstract

The utility model relates to the technical field of sealing, in particular to an O-shaped sealing ring. According to the technical scheme, inner sealing gaskets are arranged on the inner edges of an upper sealing ring and a lower sealing ring, outer sealing gaskets are arranged on the outer edges of the upper sealing ring and the lower sealing ring, and supporting soft bodies are installed in the upper sealing ring and the lower sealing ring. The inner sealing gaskets and the outer sealing gaskets of the upper sealing ring and the lower sealing ring are provided with first clamping teeth and second clamping teeth respectively, and the inner sealing gaskets and the outer sealing gaskets are assembled in a mutual inserting and limiting mode through the first clamping teeth and the second clamping teeth. By means of multi-layer sealing, use of the supporting soft body, reliable mechanical connection and auxiliary fixing of the adhesive, the sealing performance, the pressure resistance and the stability are remarkably improved, the sealing device adapts to wider application scenes, and the service life is prolonged. Due to the advantages, the sealing device has remarkable advantages in sealing occasions requiring high reliability.

Description

TECHNICAL FIELD

[0001] The utility model relates to sealing technical field, concretely relates to a kind of O-ring seal. BACKGROUND

[0002] O-ring seal is a kind of sealing element for preventing leakage in mechanical equipment. Its cross section is circular, and the commonly used materials include rubber, silicone, fluororubber, etc. It is named after its shape similar to the letter "O". The traditional O-ring seal may cause leakage problem under high pressure, high temperature or corrosive medium due to improper material selection or poor sealing structure design. In these cases, the material of the traditional seal may not withstand the pressure or chemical corrosion under extreme conditions, resulting in leakage, and the traditional O-ring seal is prone to deformation or damage when subjected to high pressure, with poor stability, frequent replacement and maintenance. SUMMARY

[0003] The utility model provides a kind of O-ring seal, solve the above technical problem.

[0004] The utility model solves the above technical problem by the following scheme:

[0005] An O-ring seal, comprising an inner seal pad, an upper seal ring, an outer seal pad and a lower seal ring, the inner edge of the upper seal ring and the lower seal ring is provided with an inner seal pad, the outer edge of the upper seal ring and the lower seal ring is provided with an outer seal pad, the inside of the upper seal ring and the lower seal ring is provided with a supporting soft body, the inner seal pad and the outer seal pad of the upper seal ring and the lower seal ring are respectively provided with first pawl and second pawl, and the inner seal pad and the outer seal pad are assembled by inserting and limiting each other through first pawl and second pawl.

[0006] Based on the above technical solution, the utility model can also be improved as follows.

[0007] Further, the inner seal pad and the outer seal pad are provided with glue injection grooves, the glue injection grooves are filled with adhesive, and the inner seal pad and the outer seal pad are fixed by adhesive after being assembled by inserting and limiting each other through first pawl and second pawl.

[0008] The beneficial effects of the above further scheme are:

[0009] Enhance the stability and reliability of sealing ring: the design of glue injection groove makes the adhesive fully penetrate into each part of the sealing ring and fill any small gap or gap. In this way, the combination between the inner seal pad and the outer seal pad, and between the upper and lower seal rings is more firm, thereby enhancing the stability and reliability of the entire sealing ring. This fixing method can prevent loosening or falling off due to vibration or vibration during equipment operation, ensuring the long-term use effect of the sealing ring.

[0010] Improved sealing effect: The addition of adhesive can fill and seal possible small gaps, making the surface of the entire sealing ring smoother. In this way, the cooperation between the sealing ring and the sealing groove is more closely, and the sealing effect is more reliable. Even under high pressure or high temperature conditions, it can effectively prevent the leakage of medium and ensure the safe operation of the equipment.

[0011] Reduced maintenance cost: Since the inner and outer sealing pads are fixed by adhesive, the leakage problem caused by the loosening or falling of the sealing ring can be effectively reduced. In this way, the maintenance cost of the equipment can be reduced, the downtime can be reduced, and the service life of the equipment can be prolonged. At the same time, the frequency of replacing the sealing ring is reduced, and the cost of repairing and replacing parts is saved.

[0012] Improved production efficiency: The use of this glue injection fixation design can simplify the installation and maintenance process of the sealing ring. Workers only need to insert the inner and outer sealing pads into the corresponding position and inject adhesive, without the need for complex tools or special technical requirements. This can save manpower and time, improve production efficiency, and reduce production cost.

[0013] Strong adaptability: This glue injection fixation method is suitable for sealing rings of various materials and shapes, with strong universality and adaptability. It can play a good fixing effect in both static and dynamic sealing, and is suitable for various industrial fields and application scenarios.

[0014] Further, the inner and outer sealing pads are symmetrically distributed on both sides of the upper and lower sealing rings.

[0015] The beneficial effects of the above further scheme are:

[0016] Uniform distribution of sealing pressure: The symmetric distribution of the inner and outer sealing pads on both sides of the upper and lower sealing rings can ensure that the sealing ring receives uniform pressure distribution during installation. In this way, the contact between the sealing ring and the sealing groove is more uniform and closely, and the sealing effect is more reliable. Not only can it effectively prevent medium leakage, but also can prolong the service life of the sealing ring.

[0017] Reducing stress concentration: The symmetric distribution design of the sealing ring can effectively reduce the occurrence of stress concentration. Since the pressure distribution of the sealing ring is uniform, there will be no local stress that is too large to cause the sealing ring to wear or damage. This can improve the durability and stability of the sealing ring, reduce equipment failures and downtime caused by sealing ring failure.

[0018] Improved reliability of the sealing ring: The symmetrical distribution design ensures that the inner and outer sealing pads maintain consistent position and angle between the upper and lower sealing rings. This reduces the risk of sealing ring failure due to improper installation or positional deviation, improving the reliability and stability of the sealing ring.

[0019] Simplified installation and maintenance: The symmetrical distribution design makes the installation of the inner and outer sealing pads more simple and convenient. Workers only need to insert the sealing ring into the corresponding position without considering the direction or angle, reducing the complexity and error rate in the installation process. This improves installation efficiency, saving time and labor costs.

[0020] Strong applicability: The symmetrical distribution design is suitable for sealing rings of various shapes and sizes, with strong universality and adaptability. Whether static or dynamic sealing, it can ensure uniform stress on the sealing ring, improving sealing effect and reliability. This meets the needs of different engineering and application scenarios, making the sealing ring more universally and widely used in various industrial fields.

[0021] Further, the support soft body is a high-density sponge core or a high-elasticity rubber ring.

[0022] The beneficial effects of the above further scheme are:

[0023] Provide effective support and cushioning: The high-density sponge core or high-elasticity rubber ring has good elasticity and flexibility, which can provide effective support and cushioning. When the O-ring is subjected to external pressure or extrusion, the support soft body can evenly distribute the pressure, reducing local stress concentration, thereby maintaining the shape and performance of the sealing ring, improving the overall stability and durability.

[0024] Enhance the pressure resistance of the sealing ring: The use of support soft body can enhance the pressure resistance of the sealing ring. Under high pressure conditions, the sealing ring usually bears a large extrusion force, while the support soft body can effectively bear part of the pressure and distribute it to the entire sealing ring, thereby reducing the pressure load on the sealing ring and prolonging its service life.

[0025] Improve sealing effect: The support soft body can maintain the shape and structure stability of the sealing ring, making the contact between the sealing ring and the sealing groove more closely and the sealing effect more reliable. This design can effectively prevent leakage of the medium and ensure safe operation of the equipment under high pressure or high temperature conditions.

[0026] Reduce vibration and noise: The support soft body has good shock absorption and sound absorption performance, which can effectively reduce the vibration and noise during equipment operation. This improves the stability and safety of the equipment, reduces mechanical wear and tear, and prolongs the service life of the equipment.

[0027] Strong adaptability: The high-density sponge core or high-elasticity rubber ring has strong adaptability and can be applied to various working environments and conditions. It can maintain stable performance under high temperature, low temperature, high pressure or corrosive medium. This adaptability makes the supporting soft body widely used in various industrial fields.

[0028] The utility model discloses the beneficial effect is:

[0029] Enhance sealing performance: The addition of inner sealing gasket and outer sealing gasket increases the contact area of sealing ring, thereby improving the sealing performance. Through this multi-level sealing structure, it can effectively prevent the leakage of liquid or gas, and even under high pressure or high temperature conditions, it can also maintain good sealing effect. This design can also effectively resist the erosion and chemical corrosion of medium, because the multi-layer sealing can provide more protective layers.

[0030] Improve pressure resistance and stability: The addition of supporting soft body makes the O-shaped ring sealing ring can bear greater pressure, and will not be deformed or damaged because of excessive pressure. This supporting structure can also provide additional cushioning and protection when subjected to external impact or extrusion, maintain the shape and performance of the sealing ring, thereby enhancing the overall stability and durability.

[0031] Reliable assembly method: The inner sealing gasket and outer sealing gasket are assembled by inserting and limiting each other through the first and second clamping teeth. This mechanical connection ensures the accurate alignment and stable assembly of each part. This assembly method is not only simple and reliable, but also can effectively prevent leakage or sealing failure caused by improper assembly during use.

[0032] Additional fixation guarantee: The inner sealing gasket and outer sealing gasket are provided with glue injection grooves, and the adhesives can be injected to further enhance the fixation and stability of the sealing ring. The use of this adhesive not only ensures the close combination between each part of the sealing ring, but also fills any small gap or gap, improves the sealing effect, and prevents medium leakage.

[0033] Strong adaptability: This design of O-shaped ring sealing ring has strong adaptability and can be applied to various working environments and conditions. It can maintain stable sealing performance under high pressure, high temperature, low temperature or corrosive medium. This adaptability makes the sealing ring widely used in various industrial fields, such as automobile industry, aerospace, chemical industry, etc.

[0034] Prolong the service life: Due to the multi-layer structure design of inner sealing gasket and outer sealing gasket and the use of supporting soft body, this O-shaped ring sealing ring can evenly distribute pressure, reduce the wear and damage of sealing ring. This can prolong the service life of the sealing ring, reduce the replacement and maintenance cost, improve the reliability and durability of the equipment.

[0035] The above description is only a summary of the technical scheme of the present application, in order to more clearly understand the technical means of the present application, and can be implemented according to the content of the specification, the following is the preferred embodiment of the present application and the detailed description of the drawings as follows. The specific embodiment of the present application is given in detail by the following examples and their drawings. BRIEF DESCRIPTION OF DRAWINGS

[0036] The drawings described herein are used to provide further understanding of the present application, and form a part of the present application, the schematic embodiments of the present application and the description thereof are used to explain the present application, and do not constitute undue limitation on the present application.

[0037] In the drawings:

[0038] Figure 1 is a schematic view of the axial side appearance of the present application;

[0039] Figure 2 is a schematic view of the axial side cross-sectional structure of the present application;

[0040] Figure 3 is a schematic view of the axial side appearance of the present application; Figure 2 is an enlarged schematic view of A in the middle.

[0041] In the drawings, the component list represented by each number is as follows:

[0042] 1, inner sealing gasket; 2, upper sealing ring; 3, outer sealing gasket; 4, support soft body; 5, lower sealing ring; 6, first clamping tooth; 7, second clamping tooth; 8, glue injection groove. DETAILED DESCRIPTION

[0043] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0044] Please refer to Figures 1 to 3 The embodiments provided by the present application are shown in the drawings.

[0045] Embodiment one

[0046] The utility model provides an O -ring seal, including inner sealing pad 1, upper sealing ring 2, outer sealing pad 3 and lower sealing ring 5, is equipped with inner sealing pad 1 at the inner edge of upper sealing ring 2 and lower sealing ring 5, is equipped with outer sealing pad 3 at the outer edge of upper sealing ring 2 and lower sealing ring 5, and inner sealing pad 1 and outer sealing pad 3 are symmetrically distributed on both sides of upper sealing ring 2 and lower sealing ring 5, and the even pressure distribution of sealing ring can be ensured when installing. In this way, the contact between the sealing ring and the sealing groove is more uniform and tight, and the sealing effect is more reliable. Not only can effectively prevent medium leakage, but also can prolong the service life of sealing ring. The symmetric distribution design of the sealing ring can effectively reduce the stress concentration phenomenon. Because the pressure distribution of the sealing ring is uniform, local stress does not appear too large and causes the sealing ring to wear or damage. This can improve the durability and stability of the sealing ring, reduce equipment failure and downtime caused by sealing ring failure. The symmetric distribution design can ensure that the position and angle of inner sealing pad 1 and outer sealing pad 3 between upper sealing ring 2 and lower sealing ring 5 are consistent. This can reduce the risk of sealing ring failure caused by improper installation or position deviation, improve the reliability and stability of the sealing ring. The symmetric distribution design makes the installation of inner sealing pad 1 and outer sealing pad 3 more simple and convenient. Workers only need to insert the sealing ring into the corresponding position without considering the direction or angle, reducing the complexity and error rate in the installation process. This can improve installation efficiency, save time and labor cost. The symmetric distribution design is suitable for sealing rings of various shapes and sizes, with strong universality and adaptability. Whether static or dynamic sealing, the uniform stress of the sealing ring can be ensured, improving the sealing effect and reliability. This can meet the needs of different engineering and application scenarios, making the sealing ring more universal and widely used in various industrial fields. The inside of upper sealing ring 2 and lower sealing ring 5 is provided with support soft body 4, and support soft body 4 is high-density sponge core or high-elasticity rubber ring. The high-density sponge core or high-elasticity rubber ring has good elasticity and flexibility and can provide effective support and buffering. When the O-ring is subjected to external pressure or extrusion, the support soft body 4 can uniformly distribute the pressure and reduce local stress concentration, thereby maintaining the shape and performance of the sealing ring and improving the overall stability and durability. The use of support soft body 4 can enhance the pressure resistance of the sealing ring. Under high pressure conditions, the sealing ring usually bears a large extrusion force, and the support soft body 4 can effectively bear part of the pressure and distribute it to the entire sealing ring, thereby reducing the pressure load of the sealing ring and prolonging its service life. Because the support soft body 4 can keep the shape and structure of the sealing ring stable, the contact between the sealing ring and the sealing groove is more tight, and the sealing effect is more reliable. This design can effectively prevent medium leakage and ensure the safe operation of equipment under high pressure or high temperature conditions.The support software 4 has good shock absorption and sound absorption performance, which can effectively reduce the vibration and noise during the operation of the equipment. This can improve the stability and safety of the equipment, reduce mechanical wear and tear, and prolong the service life of the equipment. The high-density sponge core or high-elasticity rubber ring has strong adaptability and can be applied to various working environments and conditions. It can maintain stable performance under high temperature, low temperature, high pressure or corrosive medium. This adaptability makes the support software 4 widely used in various industrial fields. The inner sealing gasket 1 and the outer sealing gasket 3 are respectively provided with first clamping teeth 6 and second clamping teeth 7, and the inner sealing gasket 1 and the outer sealing gasket 3 are assembled by mutual insertion and limiting of the first clamping teeth 6 and the second clamping teeth 7. The inner sealing gasket 1 and the outer sealing gasket 3 are provided with glue injection grooves 8, and the glue injection grooves 8 are filled with adhesive. After the inner sealing gasket 1 and the outer sealing gasket 3 are assembled by mutual insertion and limiting of the first clamping teeth 6 and the second clamping teeth 7, they are fixed by adhesive. The design of the glue injection grooves 8 enables the adhesive to fully penetrate into each part of the sealing ring and fill any small gaps or spaces. In this way, the combination between the inner sealing gasket 1 and the outer sealing gasket 3, and between them and the upper and lower sealing rings 5 is more firm, thereby enhancing the stability and reliability of the entire sealing ring. This fixing method can prevent loosening or falling off due to vibration or shock during equipment operation, ensuring the long-term use effect of the sealing ring. The addition of adhesive can fill and seal possible small gaps, making the surface of the entire sealing ring smoother. In this way, the cooperation between the sealing ring and the sealing groove is more tight, and the sealing effect is more reliable. Even under high pressure or high temperature conditions, it can effectively prevent leakage of the medium and ensure safe operation of the equipment. Since the inner sealing gasket 1 and the outer sealing gasket 3 are fixed by adhesive, leakage problems caused by loosening or falling off of the sealing ring can be effectively reduced. In this way, the maintenance cost of the equipment can be reduced, the downtime can be reduced, and the service life of the equipment can be prolonged. At the same time, the frequency of replacing the sealing ring is reduced, saving the cost of repairing and replacing parts. The use of this glue injection fixing design can simplify the installation and maintenance process of the sealing ring. Workers only need to insert the inner sealing gasket 1 and the outer sealing gasket 3 into the corresponding positions and inject adhesive, without the need for complex tools or special technical requirements. This can save manpower and time, improve production efficiency and reduce production cost. This glue injection fixing method is suitable for sealing rings of various materials and shapes, and has strong universality and adaptability. It can play a good fixing effect in static and dynamic sealing, and is suitable for various industrial fields and application scenarios.

[0047] An O-ring seal based on example 1 in use:

[0048] Enhanced sealing performance: The addition of inner gasket 1 and outer gasket 3 increases the contact area of the seal ring, thereby improving the sealing performance. Through this multi-layer sealing structure, it can effectively prevent the leakage of liquid or gas, and maintain good sealing effect even under high pressure or high temperature conditions. This design can also effectively resist the erosion and chemical corrosion of the medium, because the multi-layer sealing can provide more protective layers.

[0049] Improved pressure resistance and stability: The addition of support soft body 4 enables the O-ring seal to withstand greater pressure without deformation or damage due to excessive pressure. This support structure also provides additional cushioning and protection when subjected to external impact or extrusion, maintaining the shape and performance of the seal ring, thereby enhancing the overall stability and durability.

[0050] Reliable assembly method: Inner gasket 1 and outer gasket 3 are assembled by inserting and limiting each other through first clamping tooth 6 and second clamping tooth 7. This mechanical connection ensures accurate alignment and stable assembly of each part. This assembly method is not only simple and reliable, but also effectively prevents leakage or sealing failure due to improper assembly during use.

[0051] Additional fixation guarantee: Inner gasket 1 and outer gasket 3 are provided with glue injection groove 8, and by injecting adhesive, the fixation and stability of the seal ring can be further enhanced. The use of this adhesive not only ensures the tight combination between each part of the seal ring, but also fills any small gaps or voids, improving the sealing effect and preventing medium leakage.

[0052] Strong adaptability: This design of O-ring seal has strong adaptability and can be applied to various working environments and conditions. Whether in high pressure, high temperature, low temperature or corrosive medium, it can maintain stable sealing performance. This adaptability makes the seal ring widely used in various industrial fields such as automobile industry, aerospace, chemical industry, etc.

[0053] Prolonged service life: Due to the multi-layer structure design of inner gasket 1 and outer gasket 3 and the use of support soft body 4, this O-ring seal can evenly distribute pressure, reducing wear and damage to the seal ring. This can prolong the service life of the seal ring, reduce replacement and maintenance costs, and improve the reliability and durability of the equipment.

[0054] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in any form; any person skilled in the art can smoothly implement the present application according to the drawings shown in the specification and the above description; however, any person skilled in the art can make slight changes, modifications and equivalent changes of the present application within the scope of the technical scheme of the present application, and the equivalent embodiments of the present application are still within the protection scope of the technical scheme of the present application.

Claims

1. An O-ring seal, characterized by: The utility model relates to a sealing ring, which comprises an inner sealing gasket (1), an upper sealing ring (2), an outer sealing gasket (3) and a lower sealing ring (5), the inner edge of the upper sealing ring (2) and the lower sealing ring (5) is provided with the inner sealing gasket (1), the outer edge of the upper sealing ring (2) and the lower sealing ring (5) is provided with the outer sealing gasket (3), the inner part of the upper sealing ring (2) and the lower sealing ring (5) is provided with a supporting soft body (4), the inner sealing gasket (1) and the outer sealing gasket (3) of the upper sealing ring (2) and the lower sealing ring (5) are respectively provided with a first clamping tooth (6) and a second clamping tooth (7), and the inner sealing gasket (1) and the outer sealing gasket (3) are assembled by being inserted and limited by the first clamping tooth (6) and the second clamping tooth (7).

2. The O-ring seal of claim 1, wherein: The inner sealing gasket (1) and the outer sealing gasket (3) are provided with glue injection grooves (8), the glue injection grooves (8) are filled with adhesives, and the inner sealing gasket (1) and the outer sealing gasket (3) are fixed by being adhered after being assembled by being inserted and limited by the first clamping tooth (6) and the second clamping tooth (7).

3. The O-ring seal of claim 1, wherein: The inner sealing gasket (1) and the outer sealing gasket (3) are symmetrically distributed on the two sides of the upper sealing ring (2) and the lower sealing ring (5).

4. The O-ring seal of claim 1, wherein: The supporting soft body (4) is a high-density sponge core or a high-elasticity rubber ring.

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