Compression-resistant rubber sealing ring

Abstract

The utility model relates to the technical field of sealing rings, and particularly discloses a compression-resistant rubber sealing ring which comprises a sealing ring body, a bottom ring is arranged under the sealing ring body, a liquid storage opening is formed in the bottom ring and is annular, evenly-distributed springs are fixedly installed in the liquid storage opening, and the liquid storage opening is communicated with the bottom ring. A piston ring is slidably arranged on the liquid storage opening, the top end of the spring and the bottom edge of the movable ring are fixedly installed, the spring is pressed between the bottom ring and the piston ring, a connecting ring is fixedly installed on the top edge of the piston ring, and the top edge of the connecting ring and the bottom edge of the sealing ring body are fixedly installed. Through holes which are evenly distributed are jointly formed in the piston ring and the connecting ring, the sealing ring body is hollow, the through holes are communicated with the sealing ring body, the rubber sealing ring is good in compression resistance effect, the sealing ring body can be driven to be tightly attached to the edge of equipment when the rubber sealing ring is stressed, the stability of the sealing effect is guaranteed, and practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to sealing ring technical field, especially relate to a compression resistance type rubber sealing ring. BACKGROUND

[0002] The rubber sealing ring is an annular sealing element made of rubber material, mainly used for the connecting parts of mechanical equipment, pipelines, valves and the like, fills the gap between the joint surface through its elasticity and deformation capacity, thereby effectively preventing liquid or gas leakage, ensuring the sealing and stability of the system, and being widely applied to many fields such as automobiles, aerospace, industrial manufacturing and the like.

[0003] The existing rubber sealing ring is prone to deformation after being pressed, which leads to a decrease in the fit degree with the edge of the equipment, forms a gap leakage channel, and is difficult to meet the long-term stable sealing requirement under high pressure working conditions, and needs to be improved, therefore, the compression resistance type rubber sealing ring is provided. UTILITY MODEL CONTENTS

[0004] The utility model discloses a compression resistance type rubber sealing ring, which aims at solving the problems in the background art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a compression resistance type rubber sealing ring, comprising a sealing ring body, a bottom ring is arranged below the sealing ring body, a liquid storage opening is formed in the bottom ring, the liquid storage opening is arranged in a ring shape, springs are fixedly installed in the liquid storage opening and are uniformly distributed, a piston ring is slidably arranged on the liquid storage opening, the top end of the spring is fixedly installed with the bottom edge of the movable ring, and the spring is pressed between the bottom ring and the piston ring, a connecting ring is fixedly installed on the top edge of the piston ring, the top edge of the connecting ring is fixedly installed with the bottom edge of the sealing ring body, through holes are formed in the piston ring and the connecting ring and are uniformly distributed, the sealing ring body is hollow, and the through holes are communicated with the sealing ring body.

[0006] As a further description of the above-mentioned scheme: through the cooperation of the sealing ring body, the bottom ring, the liquid storage opening, the spring, the piston ring, the connecting ring and the through holes, the rubber sealing ring has good compression resistance effect, can drive the sealing ring body to tightly adhere to the edge of the equipment when subjected to pressure, ensures the stability of the sealing effect, and has high practicability.

[0007] Preferably, the sealing ring body is made of soft rubber material, and the bottom ring and the connecting ring are made of hard rubber material.

[0008] As a further description of the above-mentioned scheme: the sealing ring body is made of soft rubber material, which can ensure the sealing effect of the sealing ring body, the bottom ring and the connecting ring are made of hard rubber material, which can ensure the stability of the sealing ring body when subjected to pressure, and further ensure the sealing stability.

[0009] Preferably, the piston ring size is matched with the liquid storage port size, and a damping is arranged between the piston ring and the liquid storage port.

[0010] As a further description of the above scheme, the piston ring size is matched with the liquid storage port size, and a damping is arranged between the piston ring and the liquid storage port, so that the liquid leakage at the liquid storage port can be avoided when the piston ring moves.

[0011] Preferably, a socket is arranged on the top edge of the sealing ring body, and the socket is arranged in a ring shape.

[0012] As a further description of the above scheme, the socket is arranged on the top edge of the sealing ring body in a ring shape, so that the sealing ring body can be more closely attached to the edge of the equipment, and the sealing ring body can be more closely attached to the edge of the equipment when the sealing ring body expands, thereby effectively improving the sealing stability.

[0013] Preferably, the connecting ring is clamped on the piston ring, and a sealing rubber strip is arranged between the connecting ring and the piston ring.

[0014] As a further description of the above scheme, the connecting ring is clamped on the piston ring, so that the sealing ring body can be easily replaced, and the sealing rubber strip is arranged between the connecting ring and the piston ring, so that the sealing effect between the connecting ring and the piston ring can be improved, and the liquid leakage can be avoided.

[0015] As described above, compared with the prior art, the beneficial effects of the utility model are that the cooperation between the sealing ring body, the bottom ring, the liquid storage port, the spring, the piston ring, the connecting ring and the through hole makes the rubber sealing ring have good compression resistance effect, the sealing ring body can be tightly attached to the edge of the equipment when subjected to pressure, the sealing effect is stable, and the utility model has high practicability. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a perspective view of the utility model;

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

[0018] Figure 3 It is a structure view of the bottom ring and the liquid storage port of the utility model;

[0019] Figure 4 It is a structure view of the sealing ring body, the connecting ring and the piston ring of the utility model;

[0020] Figure 5 It is a front view of the sealing ring body, the connecting ring and the piston ring of the utility model.

[0021] LEGEND:

[0022] 1, sealing ring body; 2, bottom ring; 3, liquid storage port; 4, spring; 5, piston ring; 6, connecting ring; 7, through hole; 8, socket. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figures 1-5 The utility model provides a technical scheme:

[0025] A kind of compression type rubber sealing ring, including sealing ring body 1, bottom ring 2 is arranged in the bottom of sealing ring body 1, bottom ring 2 is equipped with liquid storage port 3, liquid storage port 3 is arranged as annular, spring 4 of even distribution is fixedly installed in liquid storage port 3, piston ring 5 is slidably arranged on liquid storage port 3, spring 4 top end is fixedly installed with movable ring bottom edge, and spring 4 is pressed between bottom ring 2 and piston ring 5, piston ring 5 top edge is fixedly installed with connecting ring 6, connecting ring 6 top edge is fixedly installed with sealing ring body 1 bottom edge, even distribution is opened in piston ring 5 and connecting ring 6 and is commonly equipped with through hole 7, sealing ring body 1 is arranged as hollow, through hole 7 is communicated with sealing ring body 1.

[0026] Compression type rubber sealing ring uses, oil body is stored in the liquid storage port 3 of bottom ring 2, the whole device is installed by bottom ring 2, sealing ring body 1 is pressed in the edge of equipment, and equipment is sealed;

[0027] When sealing ring body 1 is subjected to pressure, pressure will be transmitted to piston ring 5 through connecting ring 6, since piston ring 5 is slidably connected with the liquid storage port 3 of bottom ring 2, and even distribution is fixedly installed in the liquid storage port 3 and spring 4, spring 4 is pressed between bottom ring 2 and piston ring 5, so piston ring 5 will slide to the liquid storage port 3 under the action of pressure, and spring 4 is compressed, and the reaction force is generated after spring 4 is compressed, piston ring 5 is pushed up to connect ring 6, and then sealing ring body 1 is moved upward, so that sealing ring body 1 is more closely attached to the edge of equipment, and the oil body stored in the liquid storage port 3 is entered into the hollow sealing ring body 1 through the even distribution of through hole 7 opened in piston ring 5 and connecting ring 6 when piston ring 5 slides, so that sealing ring body 1 slightly expands to attach to the edge of equipment, and the compression resistance and sealing effect of sealing ring body 1 are further enhanced;

[0028] The rubber sealing ring has good compression resistance effect, and when subjected to pressure, the sealing ring body 1 can be tightly attached to the edge of the equipment to ensure the stability of the sealing effect and has high practicability.

[0029] The sealing ring body 1 is made of soft rubber material, and the bottom ring 2 and the connecting ring 6 are made of hard rubber material.

[0030] The sealing ring body 1 is made of soft rubber material, and the soft rubber has good flexibility and plasticity, which can better adapt to the shape of the edge of the equipment when subjected to pressure, and fill the possible gaps to ensure the sealing effect. The bottom ring 2 and the connecting ring 6 are made of hard rubber material, which has high rigidity. When the sealing ring body 1 is subjected to pressure, the bottom ring 2 can stably support the entire device, and the connecting ring 6 can stably transmit the force of the sealing ring body 1 to the piston ring 5 to maintain the stability of the structure and further ensure the stability of the sealing.

[0031] The size of the piston ring 5 is matched with the size of the liquid storage port 3, and a damping is arranged between the piston ring 5 and the liquid storage port 3.

[0032] When the sealing ring body 1 is subjected to pressure and the piston ring 5 slides in the liquid storage port 3, the size of the piston ring 5 is matched with the size of the liquid storage port 3 to ensure the close fit between the piston ring 5 and the liquid storage port 3. At the same time, the damping arranged between the piston ring 5 and the liquid storage port 3 can hinder the rapid sliding of the piston ring 5, making the movement of the piston ring 5 more stable, avoiding the phenomenon of oil leakage at the liquid storage port 3 caused by rapid sliding or shaking of the piston ring 5, and ensuring the normal operation of the device.

[0033] The top edge of the sealing ring body 1 is provided with a socket 8, and the socket 8 is arranged in a ring shape.

[0034] The ring-shaped socket 8 is arranged at the top edge of the sealing ring body 1, which makes the sealing ring body 1 more closely fit the edge of the equipment during installation, effectively improves the stability of the sealing in both normal state and pressure expansion state, and ensures the sealing performance.

[0035] The connecting ring 6 is clamped on the piston ring 5, and a sealing rubber strip is arranged between the connecting ring 6 and the piston ring 5.

[0036] The connecting ring 6 is clamped on the piston ring 5, which is convenient for simple replacement of the sealing ring body 1. A sealing rubber strip is arranged between the connecting ring 6 and the piston ring 5 to improve the sealing effect between the connecting ring 6 and the piston ring 5 and avoid liquid leakage.

[0037] Working principle:

[0038] The anti-pressure rubber sealing ring is used, the bottom ring 2 stores oil in the liquid storage port 3, the whole device is installed through the bottom ring 2, and the sealing ring body 1 is pressed on the edge of the equipment to seal the equipment;

[0039] When the sealing ring body 1 is subjected to pressure, the pressure is transmitted to the piston ring 5 through the connecting ring 6, the piston ring 5 is in sliding connection with the liquid storage port 3 of the bottom ring 2, and the uniformly distributed springs 4 are fixedly installed in the liquid storage port 3, the springs 4 are pressed between the bottom ring 2 and the piston ring 5, so that the piston ring 5 slides into the liquid storage port 3 under the action of pressure, and the springs 4 are compressed, and the springs 4 generate a reaction force after being compressed, the piston ring 5 is pushed upward to lift the connecting ring 6, and then the sealing ring body 1 moves upward, so that the sealing ring body 1 is more closely attached to the edge of the equipment, and at the same time, the oil stored in the liquid storage port 3 enters the hollow sealing ring body 1 through the uniformly distributed through holes 7 formed in the piston ring 5 and the connecting ring 6 when the piston ring 5 slides, so that the sealing ring body 1 slightly expands to attach to the edge of the equipment, and the anti-pressure capacity and sealing effect of the sealing ring body 1 are further enhanced;

[0040] The rubber sealing ring has good anti-pressure effect, can drive the sealing ring body 1 to closely attach to the edge of the equipment when subjected to pressure, ensures the stability of the sealing effect, and has high practicability;

[0041] Among them,

[0042] The sealing ring body 1 is made of soft rubber material, the soft rubber has good flexibility and plasticity, can better adapt to the shape of the edge of the equipment when subjected to pressure, and can fill possible gaps, so as to ensure the sealing effect, the bottom ring 2 and the connecting ring 6 are made of hard rubber material, the hard rubber material has high rigidity, can stably support the whole device when the sealing ring body 1 is subjected to pressure, and the connecting ring 6 can stably transmit the force of the sealing ring body 1 to the piston ring 5, so as to maintain the stability of the structure and further ensure the stability of the sealing;

[0043] When the sealing ring body 1 is subjected to pressure and the piston ring 5 slides in the liquid storage port 3, the size of the piston ring 5 is matched with the size of the liquid storage port 3, the close degree between the piston ring 5 and the liquid storage port 3 is ensured, and the damping arranged between the piston ring 5 and the liquid storage port 3 can hinder the rapid sliding of the piston ring 5, so that the movement of the piston ring 5 is more stable, and the phenomenon that the oil in the liquid storage port 3 leaks due to the rapid sliding or shaking of the piston ring 5 is avoided, so as to ensure the normal operation of the device;

[0044] The annular socket 8 is arranged at the top edge of the sealing ring body 1, so that the sealing ring body 1 is more closely attached to the edge of the equipment during installation, and the stability of the sealing is effectively improved in the normal state or the expanded state under pressure, and the sealing performance is ensured;

[0045] The connecting ring 6 is clamped on the piston ring 5, facilitating simple replacement of the sealing ring body 1, and a sealing rubber strip is arranged between the connecting ring 6 and the piston ring 5, so that the sealing effect between the connecting ring 6 and the piston ring 5 is improved, and the situation of liquid leakage is avoided.

[0046] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A compression type rubber seal ring comprising a seal ring body (1), characterized in that, The bottom ring (2) is arranged below the sealing ring body (1), the liquid storage opening (3) is arranged on the bottom ring (2), the liquid storage opening (3) is arranged in a ring shape, the spring (4) is fixedly installed in the liquid storage opening (3) and is uniformly distributed, the piston ring (5) is slidably arranged on the liquid storage opening (3), the spring (4) is fixedly installed at the top end of the piston ring (5), and the spring (4) is pressed between the bottom ring (2) and the piston ring (5), the connecting ring (6) is fixedly installed at the top edge of the piston ring (5), the connecting ring (6) is fixedly installed at the bottom edge of the sealing ring body (1), the through hole (7) is arranged on the piston ring (5) and the connecting ring (6) and is uniformly distributed, the sealing ring body (1) is hollow, and the through hole (7) is communicated with the sealing ring body (1).

2. A compression set resistant rubber seal ring according to claim 1, wherein The sealing ring body (1) is made of soft rubber material, and the bottom ring (2) and the connecting ring (6) are made of hard rubber material.

3. A compression set resistant rubber seal ring according to claim 1, wherein The size of the piston ring (5) is matched with the size of the liquid storage opening (3), and the damping is arranged between the piston ring (5) and the liquid storage opening (3).

4. The compression set resistant rubber seal ring of claim 1, wherein, The top edge of the sealing ring body (1) is provided with the socket (8), and the socket (8) is arranged in a ring shape.

5. The compression set resistant rubber seal ring of claim 1, wherein, The connecting ring (6) is clamped on the piston ring (5), and the sealing rubber strip is arranged between the connecting ring (6) and the piston ring (5).

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