High-pressure-resistant metal rubber composite sealing ring

Abstract

The utility model discloses a high-pressure-resistant metal rubber composite sealing ring, which belongs to the technical field of sealing rings and comprises a rubber ring, a rotating ring is rotatably connected in the rubber ring, an inclined supporting rod is fixedly connected to the outer wall of the rotating ring, limiting inclined plates are attached to the two ends of the outer wall of the inclined supporting rod, and the two limiting inclined plates are slidably connected with a telescopic structure for increasing stability. When the rotating ring is expanded to abut against the interior of the rubber ring and limit the rubber ring through the telescopic structure, an annular groove is formed in the inclined supporting rod, and a certain amount of water is stored in the annular groove, in the using process, when the rotating ring drives the annular plate to rotate, the annular plate slides and unfolds on the outer wall of the limiting rod through inertia, and the rubber ring is fixed through the limiting rod. Therefore, the rubber ring can tightly abut against the interior of the rubber ring, the rubber ring is better attached to the inner wall of the driving wheel, the situation that when the rotating ring rotates in the rubber ring at a high speed, the rubber ring shakes and moves along with the rotating ring is avoided, and then the stability and reliability of the sealing performance are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of sealing ring, specifically a kind of high-pressure-resistant metal rubber composite sealing ring. BACKGROUND

[0002] Sealing ring is a kind of component for preventing fluid or gas leakage, usually made of elastic material, be installed at the interface of mechanical equipment, while, sealing ring can also effectively block external dust, moisture and other impurities into the inside of driving wheel, protect internal components from corrosion and wear, thereby prolong the service life of equipment

[0003] Chinese patent discloses a kind of metal sealing ring (announcement number CN218718753U), the patent includes metal sealing ring body, first filling component and second filling component, the number of first filling component is two groups, and two groups first filling component are embedded in the both ends of metal sealing ring body.The utility model, two groups of first filling ring are inserted into the inside of first clamping groove located at the both ends of metal sealing ring body respectively, and the end surface located at first filling ring and exposed to the outside of metal sealing ring body, then second filling ring is also inserted into the inside of second clamping groove according to the same method, then metal sealing ring body is sleeved in the end face to be sealed, metal sealing ring body is heated, metal sealing ring body is heated, due to the characteristics of fast heat transfer of metal, heat is quickly transferred to first filling ring and second filling ring, so that it is heated and expanded, until stable, to seal between metal sealing ring body and the end to be sealed, ensure its sealing effect.

[0004] Therefore, based on the above retrieval and in combination with the prior art, the sealing ring has the risk of deviation when rotating at high speed due to the smooth outer surface of the sealing ring, which leads to the separation of the sealing ring from the original sealing point, reduces the sealing effect, and may also cause dust and particulate matter in the air to enter the inside of the equipment, causing wear on the surface of the driving wheel. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of high-pressure-resistant metal rubber composite sealing ring to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of high-pressure-resistant metal rubber composite sealing ring, including rubber ring, rotatingly connected with the swivel in the rubber ring, the swivel outer wall is fixedly connected with inclined support, the inclined support outer wall both ends are all attached with limit inclined plate, two groups of limit inclined plate are slidably connected with telescopic structure for increasing stability, and by telescopic structure, it is expanded in the swivel and is located in the rubber ring, and the rubber ring is positioned.

[0008] As a further scheme of the utility model, the oblique support rod has an annular groove inside, and a certain amount of water is stored in the annular groove.

[0009] As a further scheme of the utility model, the rubber ring is fixedly connected with a limiting ring plate inside, and the limiting ring plate is attached to the inner wall of the rotating ring.

[0010] As a further scheme of the utility model, the telescopic structure comprises an annular plate, the annular plate is slidably connected in the inner cavity of the rotating ring, and the rotating ring is rotatably connected with a limiting rod for connection.

[0011] As a further scheme of the utility model, the outer wall of the annular plate is fixedly connected with a reset air bag for resetting the annular plate, the reset air bags are the same in number as the annular plates, and the groups of reset air bags are fixedly connected through connecting air pipes.

[0012] As a further scheme of the utility model, the connecting air pipes are fixedly connected with gas storage air bags at both ends, and the gas storage air bags are connected with the connecting air pipes through gas conveying pipes.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、When the utility model is used, when the rotating ring drives the annular plate to rotate, the annular plate slides and expands on the outer wall of the limiting rod by inertia, so that the annular plate can tightly abut against the inside of the rubber ring, the rubber ring is more attached to the inner wall of the driving wheel, and when the rotating ring rotates at high speed in the rubber ring, the rubber ring does not shake and move position along with the rotating ring, thereby ensuring the stability and reliability of the sealing.

[0015] 2、When the utility model is used, when the shaft drives the rotating ring to rotate, the oblique support rod is driven to rotate, and the water in the annular groove flows to one end of the annular groove close to the rubber ring due to inertia, the lateral force received by the oblique support rod during rotation is balanced and offset to a certain extent due to the gathering effect of the water body, thereby reducing the shaking or deviation of the oblique support rod due to centrifugal force, thereby increasing the stability of the oblique support rod and the sealing of the rubber ring and the rotating ring. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of a high-pressure-resistant metal-rubber composite sealing ring.

[0017] Figure 2 It is a structural sectional view of a rubber ring in a high-pressure-resistant metal-rubber composite sealing ring.

[0018] Figure 3 It is a structure diagram of a limiting rod in a high-pressure-resistant metal-rubber composite sealing ring.

[0019] Figure 4 It is a structure diagram of a high-pressure-resistant metal-rubber composite sealing ring annular plate.

[0020] In the figure: 1, rubber ring; 2, rotating ring; 3, inclined support rod; 4, limiting inclined plate; 5, telescopic structure; 301, annular groove; 101, limiting ring plate; 501, annular plate; 502, limiting rod; 503, reset air bag; 504, connecting air pipe; 505, gas storage air bag; 506, gas pipeline. DETAILED DESCRIPTION

[0021] 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 labor fall within the scope of the present application.

[0022] Embodiment one: please refer to Figure 1 - Figure 4 A high-pressure-resistant metal-rubber composite sealing ring, comprising a rubber ring 1, the rubber ring 1 is made of fluororubber material, which has excellent oil resistance and chemical corrosion resistance, can resist the erosion of various acids, alkalis and organic solvents, and also has good high-pressure resistance, thereby prolonging the service life of the device, a rotating ring 2 is rotatably connected inside the rubber ring 1, an inclined support rod 3 is fixedly connected to the outer wall of the rotating ring 2, two ends of the outer wall of the inclined support rod 3 are attached to limiting inclined plates 4, the limiting inclined plates 4 are made of hard rubber material, the inclined support rod 3 is made of flexible silica gel material, two groups of limiting inclined plates 4 are slidingly connected with telescopic structures 5 for increasing stability, and the telescopic structures 5 are expanded against the inside of the rubber ring 1 to limit the rubber ring 1, specifically, the outer wall of the limiting inclined plate 4 is fixedly connected in the inner cavity of the rubber ring 1.

[0023] Please refer to Figure 2 , the inclined support rod 3 has an annular groove 301 inside, and a certain amount of water is stored in the annular groove 301, specifically, when the rotating ring 2 drives the inclined support rod 3 to rotate, the water in the annular groove 301 will flow to one end of the annular groove 301 close to the rubber ring 1 due to inertia, thereby increasing the stability of the inclined support rod 3, avoiding separation of the inclined support rod 3 and the limiting inclined plate 4 when the rotating ring 2 rotates at high speed inside the rubber ring 1, and causing gaps between the rubber ring 1 and the rotating ring 2.

[0024] Please refer to Figure 2 , a limiting ring plate 101 is fixedly connected inside the rubber ring 1, the outer wall of the limiting ring plate 101 is attached to the inner wall of the rotating ring 2, specifically, the limiting ring plate 101 is provided with two groups and is symmetrically fixedly connected inside the rubber ring 1 to limit the rotating ring 2.

[0025] Embodiment two: please refer to Figure 3 , telescopic structure 5 includes annular plate 501, annular plate 501 is slidably connected in the inner cavity of the rotating ring 2, the rotating ring 2 is rotatably connected with the limiting rod 502 for connection, specifically, the rotating ring 2 is provided with multiple groups, and the axis is symmetrically arranged in the inner cavity of the rotating ring 2, and the limiting rod 502 is rotatably connected at the intersection of the rotating ring 2 and the rotating ring 2.

[0026] Please refer to Figure 2 - Figure 3 , the outer wall of the annular plate 501 is fixedly connected with the reset air bag 503 for pushing the annular plate 501 reset, the reset air bag 503 is same as the annular plate 501, and the multiple reset air bags 503 are fixedly connected through the connecting air pipe 504, so that when the rotating ring 2 stops rotating, the reset air bag 503 pushes the annular plate 501 reset.

[0027] Please refer to Figure 2 - Figure 4 , the connecting air pipe 504 is fixedly connected with the gas storage air bag 505 at both ends, the gas storage air bag 505 is connected between the connecting air pipe 504 through the gas conveying pipeline 506, so that when the rotating ring 2 drives the annular plate 501 to rotate, the annular plate 501 slides and expands on the outer wall of the limiting rod 502 by inertia, so as to abut against the inside of the rubber ring 1, avoid displacement of the rubber ring 1 during use, the annular plate 501 expands, the reset air bag 503 is extruded, the gas in the reset air bag 503 enters the inside of the gas storage air bag 505 through the gas conveying pipeline 506, the gas storage air bag 505 is inflated, and when the rotating ring 2 stops rotating, the gas in the gas storage air bag 505 enters the inside of the reset air bag 503 through the gas conveying pipeline 506 again, so as to push the annular plate 501 reset.

[0028] The working principle of the utility model is:

[0029] First, the rubber ring 1 is installed in the inner cavity of the driving wheel, and the inner shaft of the driving wheel is inserted into the inner cavity of the rotating ring 2, so that the outer wall of the shaft and the inner wall of the rotating ring 2 are mutually attached, so that when the shaft drives the rotating ring 2 to rotate, the oblique supporting rod 3 is driven to rotate, the water in the annular groove 301 is thrown out due to inertia, and flows to the end of the rubber ring 1 in the annular groove 301, so as to increase the stability of the oblique supporting rod 3, and the rotating ring 2 also drives the annular plate 501 to rotate, so that the annular plate 501 slides and expands on the outer wall of the limiting rod 502 by inertia, so as to abut against the inside of the rubber ring 1, avoid displacement of the rubber ring 1, and the annular plate 501 expands, the reset air bag 503 is extruded, the gas in the reset air bag 503 enters the inside of the gas storage air bag 505 through the gas conveying pipeline 506, the gas storage air bag 505 is inflated, and when the rotating ring 2 stops rotating, the gas in the gas storage air bag 505 enters the inside of the reset air bag 503 through the gas conveying pipeline 506 again, so as to push the annular plate 501 reset.

[0030] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto. Any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, and all of them should be covered within the protection scope of the present application.

Claims

1. A high pressure resistant metal-rubber composite sealing ring comprising a rubber ring (1), characterized in that, The rubber ring (1) is rotationally connected with a rotating ring (2), the rotating ring (2) is fixedly connected with a diagonal support rod (3), the diagonal support rod (3) is connected with a limiting inclined plate (4) at both ends, two groups of the limiting inclined plate (4) are slidingly connected with a telescopic structure (5) for increasing stability, and the telescopic structure (5) is expanded on the rotating ring (2) and abuts against the rubber ring (1) to limit the rubber ring (1).

2. The high pressure resistant metal-rubber composite sealing ring according to claim 1, characterized in that, The diagonal support rod (3) is internally provided with an annular groove (301), and a certain amount of water is stored in the annular groove (301).

3. The high pressure resistant metal-rubber composite sealing ring according to claim 1, wherein, The rubber ring (1) is fixedly connected with a limiting ring plate (101), and the limiting ring plate (101) is attached to the inner wall of the rotating ring (2).

4. The high pressure resistant metal-rubber composite sealing ring according to claim 1, wherein, The telescopic structure (5) comprises an annular plate (501), the annular plate (501) is slidingly connected in the inner cavity of the rotating ring (2), and the rotating ring (2) is rotationally connected with a limiting rod (502) for connection.

5. The high pressure resistant metal-rubber composite sealing ring according to claim 4, characterized in that The annular plate (501) is fixedly connected with a reset air bag (503) for resetting the annular plate (501), the reset air bag (503) is the same in number as the annular plate (501), and a plurality of groups of the reset air bag (503) are fixedly connected through a connecting air pipe (504).

6. The high pressure resistant metal-rubber composite sealing ring according to claim 5, characterized in that The connecting air pipe (504) is fixedly connected with a gas storage air bag (505) at both ends, and the gas storage air bag (505) is connected with the connecting air pipe (504) through a gas conveying pipeline (506).

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