Environment-friendly spring seal sealing ring

Abstract

The utility model discloses an environment-friendly spring seal sealing ring which comprises an outer sealing ring assembly, an inner sealing ring assembly and an inner sealing ring assembly. The outer sealing ring assembly comprises an outer U-shaped sealing ring body; by means of the L-shaped inner sealing cavity and the L-shaped inner supporting embedded blocks which are evenly and fixedly arranged in the L-shaped inner sealing cavity in a surrounding mode, the ductility of the sealing ring can be improved, meanwhile, the good supporting effect is achieved, the sealing effect is further improved, and the service life of the sealing ring is prolonged. The leakage-proof secondary sealing gasket and the outer U-shaped sealing ring body are fixedly connected through the arranged inner circular sealing ring connecting ring, and a small section of gap is formed between the outer U-shaped sealing ring body and the leakage-proof secondary sealing gasket, so that when the sealing performance of the front outer U-shaped sealing ring body is reduced or fails, the leakage-proof secondary sealing gasket is prevented from leaking out of the outer U-shaped sealing ring body; and a secondary sealing effect can be achieved through the leakage-proof secondary sealing gasket, so that the sealing effect can be achieved to a certain extent and within a certain period of time, and a certain remedy time is obtained.

Description

TECHNICAL FIELD

[0001] The utility model relates to a sealing ring equipment technical field, specifically a kind of environmental protection type pan seal sealing ring. BACKGROUND

[0002] Pan seal sealing ring, also known as pan seal, is a kind of U-shaped sealing ring with special spring inside, the basic structure of pan seal includes sealing ring and support ring sometimes used to increase the rigidity of sealing ring, help sealing ring to maintain shape at high pressure or high temperature, dustproof ring is sometimes used to prevent external dust or impurities from entering the sealing system, extend the service life of sealing ring and guide ring helps to keep piston or shaft smooth during movement, prevent its deflection or wear sealing ring;

[0003] But the existing pan seal sealing ring in use, since its structure is mostly solid integrated structure, if sealing property drops or outer sealing ring fails after using, it is not easy to remedy, which can lead to rapid leakage problem. INVENTION CONTENTS

[0004] The utility model aims at: in order to solve the existing pan seal sealing ring in use, since its structure is mostly solid integrated structure, if sealing property drops or outer sealing ring fails after using, it is not easy to remedy, which can lead to rapid leakage problem, provide a kind of environmental protection type pan seal sealing ring.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of environmental protection type pan seal sealing ring, comprising: outer sealing ring assembly, the inner embedded spring assembly is embedded in the inner end of the outer sealing ring assembly;The outer sealing ring assembly includes outer U-shaped sealing ring body, and L-shaped internal sealing cavity is formed in the inner end of the outer U-shaped sealing ring body.

[0006] As a further scheme of the utility model: L-shaped internal sealing cavity is fixedly provided with L-shaped inner support inlay block inside, the L-shaped inner support inlay block is provided with multiple groups, and the L-shaped inner support inlay block is evenly circumferentially fixedly arranged in the L-shaped internal sealing cavity.

[0007] As a further scheme of the utility model: the outer U-shaped sealing ring body is fixedly provided with outer circular sealing ring ring outside one end, and the outer circular sealing ring convex ring one end is fixedly provided with inner circular sealing ring connecting ring.

[0008] As a further scheme of the utility model: the inner circular sealing ring connecting ring one end is fixedly provided with leakproof secondary sealing washer, the leakproof secondary sealing washer and the outer U-shaped sealing ring body between gap exists, the leakproof secondary sealing washer inner diameter is smaller than the outer U-shaped sealing ring body inner diameter, the outer U-shaped sealing ring body, the outer circular sealing ring convex ring, the inner circular sealing ring connecting ring and the leakproof secondary sealing washer are all made of polytetrafluoroethylene material.

[0009] As a further scheme of the utility model: the outer U-shaped sealing ring body inside another end is provided with sealing ring V-shaped through slot, one end of the sealing ring V-shaped through slot is fixedly provided with inner small diameter convex ring one, another end of the sealing ring V-shaped through slot is fixedly provided with outer large diameter convex ring two.

[0010] As a further scheme of the utility model: the inner embedded spring assembly contains U-shaped embedded spring body, one end of the U-shaped embedded spring body is fixedly provided with inner convex foot one, another end of the U-shaped embedded spring body is fixedly provided with outer convex foot two, the U-shaped embedded spring body is adapted to be embedded in the sealing ring V-shaped through slot.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] In the utility model, the inner embedded spring assembly is embedded in the sealing ring V-shaped through slot of the outer sealing ring assembly, the inner small diameter convex ring one and the outer large diameter convex ring two are arranged, the inner convex foot one and the outer convex foot two are well limited and blocked, the inner embedded spring assembly is prevented from slipping off during use, the L-shaped internal sealing cavity and the L-shaped inner support embedded block uniformly and fixedly arranged in the L-shaped internal sealing cavity are arranged, the sealing ring is improved in extension performance, good supporting effect is achieved, the sealing effect is further improved, the leakproof secondary sealing washer is fixedly connected with the outer U-shaped sealing ring body through the inner circular sealing ring connecting ring, a small gap is formed between the outer U-shaped sealing ring body and the leakproof secondary sealing washer, the leakproof secondary sealing washer can achieve secondary sealing when the sealing performance of the front outer U-shaped sealing ring body is reduced or fails, the sealing effect is achieved within a certain time, and a certain remedial time is obtained.

[0013] In the utility model, the outer U-shaped sealing ring body, the outer circular sealing ring ring, the inner circular sealing ring connecting ring and the leakproof secondary sealing washer are made of polytetrafluoroethylene material, better chemical stability, temperature resistance and aging resistance are achieved, the friction coefficient is low, and the utility model is non-toxic, harmless and more environmentally friendly, and the environmentally friendly generic seal sealing ring is more convenient and efficient to use. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a whole structure schematic view of the environment-friendly pan seal sealing ring;

[0015] Figure 2 is a radial section structure schematic view of the inner and outer sealing ring assembly of the environment-friendly pan seal sealing ring;

[0016] Figure 3 is a structure schematic view of the inner embedded spring assembly of the environment-friendly pan seal sealing ring;

[0017] Figure 4 is a section structure schematic view of the inner and outer sealing ring assembly of the environment-friendly pan seal sealing ring.

[0018] In the figure: 1, outer sealing ring assembly; 2, inner embedded spring assembly; 10, outer U-shaped sealing ring body; 11, L-shaped internal sealing cavity; 12, L-shaped inner support embedded block; 13, outer circular sealing ring ring; 14, inner circular sealing ring connecting ring; 15, leakage-proof secondary sealing washer; 16, sealing ring V-shaped groove; 17, inner small diameter convex ring one; 18, outer large diameter convex ring two; 20, U-shaped inner embedded spring body; 21, inner convex foot one; 22, outer convex foot two. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0020] In the description of the utility model, it is necessary to explain that the orientation or positional relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or positional relation based on the drawings shown, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In the description of the utility model, it is necessary to explain that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "setting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. The embodiments thereof will be described below according to the overall structure of the utility model.

[0021] With reference to Figure 1 and Figure 2 In the utility model embodiment, an environment-friendly pan seal sealing ring comprises: an outer sealing ring assembly 1, an inner embedded spring assembly 2 is embedded at one end inside the outer sealing ring assembly 1; the outer sealing ring assembly 1 comprises an outer U-shaped sealing ring body 10, an L-shaped internal sealing cavity 11 is formed at one end inside the outer U-shaped sealing ring body 10.

[0022] With reference to Figure 2 and Figure 4 An L-shaped inner support embedded block 12 is fixedly arranged inside the L-shaped internal sealing cavity 11, a plurality of groups of L-shaped inner support embedded blocks 12 are arranged, the plurality of groups of L-shaped inner support embedded blocks 12 are fixedly arranged uniformly around inside the L-shaped internal sealing cavity 11, an outer circular sealing ring ring 13 is fixedly arranged at one end outside the outer U-shaped sealing ring body 10, an inner circular sealing ring connecting ring 14 is fixedly arranged at one end of the outer circular sealing ring ring 13, a leakage-proof secondary sealing washer 15 is fixedly arranged at one end of the inner circular sealing ring connecting ring 14, there is a gap between the leakage-proof secondary sealing washer 15 and the outer U-shaped sealing ring body 10, the inner diameter of the leakage-proof secondary sealing washer 15 is smaller than the inner diameter of the outer U-shaped sealing ring body 10, the outer U-shaped sealing ring body 10, the outer circular sealing ring ring 13, the inner circular sealing ring connecting ring 14 and the leakage-proof secondary sealing washer 15 are all made of polytetrafluoroethylene material, a sealing ring V-shaped through slot 16 is formed at the other end inside the outer U-shaped sealing ring body 10, an inner small-diameter convex ring one 17 is fixedly arranged at one end inside the sealing ring V-shaped through slot 16, and an outer large-diameter convex ring two 18 is fixedly arranged at the other end inside the sealing ring V-shaped through slot 16.

[0023] With the above scheme: by setting the L-shaped internal sealing cavity 11 and the L-shaped internal support block 12 uniformly around the inside, the extension performance of the sealing ring can be improved, and the supporting effect is good, so as to further improve the sealing effect. The inner circular sealing ring connecting ring 14 is fixedly connected with the leak-proof secondary sealing washer 15 and the outer U-shaped sealing ring body 10, and a small gap is formed between the outer U-shaped sealing ring body 10 and the leak-proof secondary sealing washer 15. Such structure can play a secondary sealing effect through the leak-proof secondary sealing washer 15 when the sealing performance of the front outer U-shaped sealing ring body 10 decreases or fails, so as to play a sealing effect to a certain extent and time, thereby obtaining a certain remedial time.

[0024] With reference to Figure 3 , the inner embedded spring assembly 2 comprises a U-shaped inner embedded spring body 20, one end of the U-shaped inner embedded spring body 20 is fixedly provided with an inner protruding foot one 21, the other end of the U-shaped inner embedded spring body 20 is fixedly provided with an outer protruding foot two 22, and the U-shaped inner embedded spring body 20 is adapted to be embedded in the sealing ring V-shaped through groove 16.

[0025] With the above scheme: the inner embedded spring assembly 2 is embedded in the sealing ring V-shaped through groove 16 in the outer sealing ring assembly 1, and the inner small diameter protruding ring one 17 and the outer large diameter protruding ring two 18 can play a good limiting and blocking effect on the inner protruding foot one 21 and the outer protruding foot two 22, so as to prevent the inner embedded spring assembly 2 from slipping off during use.

[0026] The working principle of this utility model is as follows: First, the embedded spring assembly 2 is inserted into the V-shaped groove 16 of the sealing ring within the outer sealing ring assembly 1. The inner small-diameter convex ring 17 and the outer large-diameter convex ring 18 effectively limit and block the inner convex foot 21 and the outer convex foot 22, preventing the embedded spring assembly 2 from slipping out during use. The L-shaped inner sealing cavity 11 and the L-shaped inner support blocks 12 uniformly arranged within it provide excellent support while improving the sealing ring's elongation performance, further enhancing the sealing effect. Finally, the inner circular sealing ring connecting ring 14 securely connects the leak-proof secondary sealing gasket 15 to the outer U-shaped sealing ring body 10. Furthermore, a small gap is formed between the outer U-shaped sealing ring body 10 and the leak-proof secondary sealing gasket 15. With this structure, when the sealing performance of the outer U-shaped sealing ring body 10 decreases or fails, the leak-proof secondary sealing gasket 15 can provide a secondary sealing effect, thereby achieving a sealing effect to a certain extent and for a certain period of time, thus providing a certain amount of remedial time. Moreover, the outer U-shaped sealing ring body 10, outer circular sealing ring 13, inner circular sealing ring connecting ring 14, and leak-proof secondary sealing gasket 15, all made of polytetrafluoroethylene (PTFE), have better chemical stability, temperature resistance, and aging resistance, as well as a lower coefficient of friction. They are also non-toxic, harmless, and more environmentally friendly. This type of environmentally friendly sealing ring is more convenient and efficient to use.

[0027] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An environmentally friendly pan seal gasket, characterized by, Include: The outer sealing ring assembly (1) is embedded with an inner embedded spring assembly (2) at one end inside; The outer sealing ring assembly (1) comprises an outer U-shaped sealing ring body (10), and an L-shaped inner sealing cavity (11) is formed at one end inside the outer U-shaped sealing ring body (10).

2. The environmentally friendly polysulfide sealant ring according to claim 1, characterized in that, The L-shaped inner support block (12) is fixedly arranged inside the L-shaped inner sealing cavity (11), and a plurality of groups of L-shaped inner support blocks (12) are uniformly and fixedly arranged inside the L-shaped inner sealing cavity (11).

3. The environmentally friendly polysulfide sealant ring according to claim 1, characterized in that, The outer U-shaped sealing ring body (10) is fixedly provided with an outer circular sealing ring ring (13) at one end outside, and an inner circular sealing ring connecting ring (14) is fixedly arranged at one end of the outer circular sealing ring ring (13).

4. The environmentally friendly polysulfide sealant ring according to claim 3, characterized in that, The inner circular sealing ring connecting ring (14) is fixedly provided with a leak-proof secondary sealing gasket (15) at one end, and there is a gap between the leak-proof secondary sealing gasket (15) and the outer U-shaped sealing ring body (10). The inner diameter of the leak-proof secondary sealing gasket (15) is smaller than the inner diameter of the outer U-shaped sealing ring body (10). The outer U-shaped sealing ring body (10), the outer circular sealing ring ring (13), the inner circular sealing ring connecting ring (14) and the leak-proof secondary sealing gasket (15) are all made of polytetrafluoroethylene material.

5. The environmentally friendly polysulfide sealant ring according to claim 1, wherein, The outer U-shaped sealing ring body (10) is provided with a sealing ring V-shaped through groove (16) at the other end inside, and an inner small diameter convex ring one (17) is fixedly arranged at one end inside the sealing ring V-shaped through groove (16). An outer large diameter convex ring two (18) is fixedly arranged at the other end inside the sealing ring V-shaped through groove (16).

6. The environmentally friendly polysulfide sealant ring according to claim 1, wherein, The inner embedded spring assembly (2) comprises a U-shaped embedded spring body (20), an inner convex foot one (21) is fixedly arranged at one end of the U-shaped embedded spring body (20), and an outer convex foot two (22) is fixedly arranged at the other end of the U-shaped embedded spring body (20). The U-shaped embedded spring body (20) is embedded inside the sealing ring V-shaped through groove (16).

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