Sealing gasket with effect of preventing shrinkage in case of cold

Abstract

The utility model discloses a sealing gasket with a cold shrinkage prevention effect, which comprises a sealing ring and an outer support component for preventing the sealing ring from shrinking, the outer supporting part comprises a cavity formed in the sealing ring, a fixing plate arranged in the cavity, a plurality of first grooves evenly formed in the two sides of the fixing plate correspondingly, ejector rods arranged in the first grooves, and a first outer supporting plate fixedly connected with one ends of the ejector rods. According to the utility model, through the arrangement of the sealing ring and the external supporting part, the problems that a sealing gasket is usually used and the sealing performance is ensured when parts of machinery equipment are connected and fixed at present, but the sealing gasket cannot be used when being used, so that the sealing performance is ensured are solved. Due to different working environments, thermal expansion and cold contraction possibly occur, long-term reciprocating is likely to cause deformation and damage of a sealing gasket, and therefore the problem of insufficient practicability is caused.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing gaskets, in particular to a sealing gasket with the function of preventing shrinkage when encountering cold. Background Art

[0002] Sealing gasket is a kind of sealing spare part used in machinery, equipment, pipelines as long as there is fluid. It is a material used inside and outside to seal. Sealing gasket is made of metal or non-metallic plate material through cutting, stamping or tailoring. It is used for sealing connections between pipelines and between parts of machinery and equipment. It can be divided into metal sealing gaskets and non-metallic sealing gaskets according to the material. Metal ones include copper gaskets, stainless steel gaskets, iron gaskets, aluminum gaskets, etc. Non-metallic ones include asbestos gaskets, non-asbestos gaskets, paper gaskets, rubber gaskets, etc.

[0003] The existing patent CN219570842U discloses a composite sealing gasket, including a composite sealing gasket body, characterized in that the composite sealing gasket includes a circular upper sealing gasket, a lower sealing gasket, an outer ring sealing gasket and an inner ring sealing gasket, and the interior of the composite sealing gasket body is symmetrically provided with a ring-shaped mica sealing gasket and a metal sealing gasket. When the utility model is in use, the upper sealing gasket, the lower sealing gasket, the outer ring sealing gasket, the inner ring sealing gasket and the two mica sealing gaskets are combined to protect the metal sealing gasket. At the same time, when the composite sealing gasket body is squeezed, the gas in the buffer cavity can protect the metal sealing gasket again, and can effectively prevent the metal gasket from being deformed when being squeezed.

[0004] At present, sealing gaskets are usually used to ensure the sealing when connecting and fixing machine parts. However, when using sealing gaskets, due to different working environments, they may experience thermal expansion and contraction. Long-term reciprocating may easily cause the sealing gaskets to deform and be damaged, resulting in insufficient practicality. Utility Model Content

[0005] The purpose of the utility model is to address the deficiencies in the prior art and to provide a sealing gasket with the function of preventing shrinkage when exposed to cold, so as to solve the problem raised in the above background technology that sealing gaskets are usually used when connecting and fixing parts of current machinery and equipment to ensure sealing, but when the sealing gasket is in use, it may experience thermal expansion and contraction due to different working environments, and long-term reciprocating may easily cause deformation and damage of the sealing gasket, thereby resulting in the problem of insufficient practicality.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sealing gasket with anti-shrinkage function when exposed to cold, comprising a sealing ring and an external support component for preventing the sealing ring from shrinking, the external support component comprising a cavity opened in the sealing ring, a fixing plate arranged in the cavity, a plurality of first grooves evenly arranged on both sides of the fixing plate, a push rod arranged in the first groove, a first external support plate fixedly connected to one end of the push rod, a spring fixedly connected to the other end of the push rod, and a support component for improving the external support effect, the push rod is slidably connected to the first groove, and the two first external support plates are respectively in contact with the two sides of the cavity.

[0007] Preferably, the supporting component includes a plurality of second grooves arranged in a circle in the fixed plate, through openings respectively opened on both sides of the second grooves, a push rod connected to the through openings, a second outer support plate fixedly connected to one end of the push rod, a slide plate fixedly connected to the other end of the push rod, and an elastic frame arranged between the two slides, the slide plate is slidably connected to the second grooves, the push rod is slidably connected to the through openings, and both ends of the elastic frame are respectively fixedly connected to the two slides.

[0008] Preferably, limiting grooves are respectively provided on both sides of the first groove, limiting plates are respectively fixedly connected to both sides of the push rod, and the limiting plates are slidably connected to the limiting grooves.

[0009] Preferably, a sealing outer ring is fixedly connected to the outer side of the sealing ring, and the sealing outer ring is annular in shape.

[0010] Preferably, a spring piece is fixedly connected inside the elastic frame, and the spring piece has a Z-shape.

[0011] Preferably, limiting rods are fixedly connected to both sides of the second groove, and the limiting rods pass through the slide plate and are slidably connected to the slide plate.

[0012] Preferably, a plurality of mounting holes are formed on the sealing outer ring, and the plurality of mounting holes are evenly distributed along the axis of the sealing ring.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. By setting a sealing ring and an outer support component, the sealing outer ring can provide preliminary support for the sealing ring, and the two first outer support plates can support the left and right sides of the sealing ring. When the sealing ring shrinks and deforms when it is cold, it can push the first outer support plate to move. The first outer support plate can squeeze the spring to deform it. The reaction force generated by the spring can support the sealing ring to prevent it from shrinking, thereby improving practicality.

[0015] 2. By providing a supporting component, the two second outer support plates can support the upper and lower sides of the sealing ring. When the second outer support plates are squeezed, they can push the push rod to move, thereby moving the slide plate, and squeezing the elastic frame and the spring sheet to deform. The reaction force generated by the deformation of the elastic frame and the spring sheet can push the second outer support plate to support the sealing ring, thereby further preventing shrinkage and further improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a left view of the utility model;

[0018] Figure 3 For the utility model Figure 2 The three-dimensional cross-section view at AA in the middle;

[0019] Figure 4 For the utility model Figure 3 Enlarged view of point B in the middle.

[0020] In the figure: 1, sealing ring; 21, cavity; 22, fixing plate; 23, first groove; 24, push rod; 25, first outer support plate; 26, spring; 31, second groove; 32, through-hole; 33, push rod; 34, second outer support plate; 35, slide plate; 36, elastic frame; 41, limit groove; 42, limit plate; 51, sealing outer ring; 61, spring piece; 71, limit rod; 81, mounting hole. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only 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.

[0022] See also Figure 1 , Figure 2 , Figure 3 as well as Figure 4The utility model provides a technical solution: a sealing gasket with the function of preventing shrinkage when cold, comprising a sealing ring 1 and an external support component for preventing the sealing ring 1 from shrinking, the external support component comprising a cavity 21 opened in the sealing ring 1, a fixing plate 22 arranged in the cavity 21, a plurality of first grooves 23 evenly arranged on both sides of the fixing plate 22, a push rod 24 arranged in the first groove 23, a first external support plate 25 fixedly connected to one end of the push rod 24, a spring 26 fixedly connected to the other end of the push rod 24, and a support component for improving the external support effect, the push rod 24 is slidably connected to the first groove 23, the two first external support plates 25 are respectively in contact with the two sides of the cavity 21, the other end of the spring 26 is fixedly connected to the inner wall of the first groove 23, the two first external support plates 25 can squeeze the push rod 24 to move when moving, the movement of the push rod 24 can drive the spring 26 to deform, and the elastic force of the spring 26 can be used to push the first external support plate 25 to move. An outer support plate 25 supports the sealing ring 1 to prevent the sealing ring 1 from shrinking and ensure the performance of the sealing ring 1. Limiting grooves 41 are respectively provided on both sides of the first groove 23. Limiting plates 42 are respectively fixedly connected to both sides of the push rod 24. The limiting plates 42 are slidably connected to the limiting grooves 41. The limiting plates 42 can move synchronously with the push rod 24 to prevent the push rod 24 from rotating. At the same time, the moving distance of the push rod 24 can be limited to prevent the spring 26 from being damaged due to excessive deformation. A sealing outer ring 51 is fixedly connected to the outside of the sealing ring 1. The shape of the sealing outer ring 51 is annular. The material of the sealing outer ring 51 can be low carbon steel. The sealing outer ring 51 can improve the performance of the sealing ring 1 and further prevent it from shrinking when it is cold. A plurality of mounting holes 81 are provided on the sealing outer ring 51. The plurality of mounting holes 81 are evenly distributed along the axis of the sealing ring 1. The mounting holes 81 can facilitate the installation and fixation of the sealing outer ring 51 to prevent the sealing outer ring 51 from shifting.

[0023] See also Figure 1 , Figure 2 , Figure 3 as well as Figure 4The supporting components include a plurality of second grooves 31 arranged in a circumference in the fixed plate 22, through openings 32 respectively opened on both sides of the second grooves 31, a push rod 33 connected to the through openings 32, a second outer support plate 34 fixedly connected to one end of the push rod 33, a slide plate 35 fixedly connected to the other end of the push rod 33, and an elastic frame 36 arranged between the two slide plates 35. The slide plate 35 is slidably connected to the second groove 31, the push rod 33 is slidably connected to the through openings 32, and both ends of the elastic frame 36 are fixedly connected to the two slide plates 35 respectively. The two second outer support plates 34 are in contact with the upper and lower sides of the cavity 21. The movement of the second outer support plate 34 can drive the push rod 33 and the slide plate 35 to move. The movement of the two slide plates 35 can squeeze The elastic frame 36 causes the elastic frame 36 to deform. The force generated by the deformation of the elastic frame 36 can push the second outer support plate 34 to support the sealing ring 1 to prevent the sealing ring 1 from shrinking. A spring plate 61 is fixedly connected inside the elastic frame 36. The shape of the spring plate 61 is Z-shaped. When the elastic frame 36 is squeezed and deformed, the spring plate 61 can be squeezed to deform synchronously. The elasticity of the spring plate 61 can be used to improve the external support effect on the sealing ring 1 and effectively prevent the sealing ring 1 from shrinking. Limiting rods 71 ​​are fixedly connected on both sides of the second groove 31. The limiting rods 71 ​​penetrate the slide plate 35 and are slidably connected to the slide plate 35. The limiting rods 71 ​​can limit the movement of the slide plate 35, prevent the slide plate 35 from skewing, and ensure the stability of the movement of the slide plate 35.

[0024] Working principle: When working, the sealing outer ring 51 can be used to support the sealing ring 1. When the sealing ring 1 is cold, the first outer support plate 25 and the second outer support plate 34 will move under pressure. The movement of the first outer support plate 25 can push the push rod 24 to move. When the push rod 24 moves, it can push the spring 26 to deform. The deformation of the spring 26 generates a reaction force, which can push the first outer support plate 25 to move, and then the two first outer support plates 25 can support the left and right sides of the sealing ring 1 outward, and the movement of the second support plate can drive the push rod 33 to move. The push rod 33 moves The slide plate 35 can be pushed to move, and the movement of the two slide plates 35 can squeeze the elastic frame 36, and the elastic frame 36 is deformed by being squeezed, and at the same time, the spring sheet 61 can be squeezed, and the spring sheet 61 is also deformed by being squeezed. The reaction force generated by the deformation of the elastic frame 36 and the spring sheet 61 can be used to push the second outer support plate 34 to support the sealing ring 1 on the upper and lower sides, thereby preventing the sealing ring 1 from shrinking and ensuring its performance. The above is the working process of the entire device, and the contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sealing gasket with the function of preventing shrinkage when exposed to cold, comprising a sealing ring (1) and an outer support component for preventing the sealing ring (1) from shrinking, characterized in that: The external support component comprises a cavity (21) opened in the sealing ring (1), a fixing plate (22) arranged in the cavity (21), a plurality of first grooves (23) evenly arranged and respectively opened on both sides of the fixing plate (22), a push rod (24) arranged in the first groove (23), a first external support plate (25) fixedly connected to one end of the push rod (24), a spring (26) fixedly connected to the other end of the push rod (24), and a support component for improving the external support effect, wherein the push rod (24) is slidably connected to the first groove (23), and the two first external support plates (25) are respectively in contact with both sides of the cavity (21).

2. A sealing gasket with anti-shrinkage function when exposed to cold according to claim 1, characterized in that: The supporting component comprises a plurality of second grooves (31) arranged in a circumferential manner and opened in the fixing plate (22), through openings (32) respectively opened on both sides of the second grooves (31), a push rod (33) connected to the through openings (32), a second outer support plate (34) fixedly connected to one end of the push rod (33), a slide plate (35) fixedly connected to the other end of the push rod (33), and an elastic frame (36) arranged between the two slide plates (35), wherein the slide plate (35) is slidably connected to the second grooves (31), the push rod (33) is slidably connected to the through openings (32), and the two ends of the elastic frame (36) are respectively fixedly connected to the two slide plates (35).

3. The sealing gasket with anti-shrinkage function when exposed to cold according to claim 1, characterized in that: Limiting grooves (41) are respectively provided on both sides of the first groove (23); limiting plates (42) are respectively fixedly connected to both sides of the push rod (24); and the limiting plates (42) are slidably connected to the limiting grooves (41).

4. The sealing gasket with anti-shrinkage function when exposed to cold according to claim 1, characterized in that: A sealing outer ring (51) is fixedly connected to the outer side of the sealing ring (1), and the sealing outer ring (51) is annular in shape.

5. The sealing gasket with anti-shrinkage function when exposed to cold according to claim 2, characterized in that: A spring sheet (61) is fixedly connected inside the elastic frame (36), and the spring sheet (61) is in a Z shape.

6. The sealing gasket with anti-shrinkage function when exposed to cold according to claim 2, characterized in that: Limiting rods (71) are fixedly connected to both sides of the second groove (31), and the limiting rods (71) penetrate the slide plate (35) and are slidably connected to the slide plate (35).

7. The sealing gasket with anti-shrinkage function when exposed to cold according to claim 4, characterized in that: The sealing outer ring (51) is provided with a plurality of mounting holes (81), and the plurality of mounting holes (81) are evenly distributed along the axis of the sealing ring (1).

Images