CN219549595U

CN219549595U - Rubber sealing gasket

Info

Publication number: CN219549595U
Application number: CN202320391496.4U
Authority: CN
Inventors: 高丽; 赵小娃; 崔乐; 刘睿; 吴萍; 刘篮篮
Original assignee: Binzhou Double Peaks Graphite Sealing Material Co ltd
Current assignee: Binzhou Double Peaks Graphite Sealing Material Co ltd
Priority date: 2023-03-06
Filing date: 2023-03-06
Publication date: 2023-08-18
Anticipated expiration: 2033-03-06

Abstract

The utility model discloses a rubber sealing gasket which comprises a rubber ring body, wherein a connecting assembly is fixedly connected to the outer ring of the rubber ring body in the circumferential direction, a mounting cavity is formed in the rubber ring body, the mounting cavity is circumferentially arranged around the rubber ring body, elastic assemblies are symmetrically arranged in the mounting cavity, a first air bag is fixedly connected between the two elastic assemblies, a plurality of extrusion cavities are circumferentially arranged in the rubber ring body at equal intervals, the extrusion cavities are positioned at the inner side of the mounting cavity, an extrusion plate is slidably connected in the extrusion cavity, the extrusion plate is abutted against the side wall of the extrusion cavity, which is far away from the mounting cavity, a second air bag is fixedly connected to the side wall of the extrusion plate, which is close to the mounting cavity, in the circumferential direction, and the second air bag is communicated with the first air bag.

Description

Rubber sealing gasket

Technical Field

The utility model relates to the technical field of sealing gaskets, in particular to a rubber sealing gasket.

Background

The rubber sealing gasket is a material or a part of a part for preventing fluid or solid particles from leaking from adjacent joint surfaces and preventing external impurities such as dust, moisture and the like from invading into machine equipment, has the performances of oil resistance, acid and alkali resistance, cold and heat resistance, aging resistance and the like, and is widely applied to the industries of automobiles, electronics, chemical industry, static electricity resistance, flame retardance, food and the like.

The prior Chinese patent discloses a rubber sealing gasket (CN 210623542U), this scheme is through when external force extrusion sealing gasket body, through spout and slider sliding connection, the stopper that can promote push pedal lower surface guide arm and be connected is smooth down in the adjustment tank, through the spring that guide arm upper end outer wall cover was established, on the one hand can absorb external impact and vibrations, on the other hand can be when external force withdraws, the spring can promote the top inner wall of standing groove through the push pedal and reset, make sealing gasket body recover, can use for a plurality of times, save the resource, but the main technical problem that this scheme exists when using is, its inner circle does not possess extrusion characteristic, deformation range is less, can not be complete when its inner circle contact surface and working contact fill the clearance, sealing effect is relatively poor, the suitability is lower.

Disclosure of Invention

The utility model aims to provide a rubber sealing gasket which aims to solve or improve at least one of the technical problems.

In order to achieve the above object, the present utility model provides the following solutions: the utility model provides a rubber sealing gasket which comprises a rubber ring body, wherein a connecting assembly is fixedly connected to the outer ring of the rubber ring body in the circumferential direction, a mounting cavity is formed in the rubber ring body, the mounting cavity is circumferentially arranged around the rubber ring body, elastic assemblies are symmetrically arranged in the mounting cavity, a first air bag is fixedly connected between the two elastic assemblies, a plurality of extrusion cavities are circumferentially and equally spaced in the rubber ring body, the extrusion cavities are positioned at the inner side of the mounting cavity, an extrusion plate is slidably connected in the extrusion cavities, the extrusion plate is abutted to the side wall, away from the mounting cavity, of the extrusion cavity, a second air bag is fixedly connected to the side wall, close to the mounting cavity, of the extrusion plate in the circumferential direction, and the second air bag is communicated with the first air bag.

Preferably, the elastic component comprises a first annular plate and a second annular plate, a plurality of spring telescopic rods are fixedly connected between the first annular plate and the second annular plate, the two first annular plates are fixedly connected with the top wall and the bottom wall of the mounting cavity respectively, and the two second annular plates are fixedly connected with the top surface and the bottom surface of the first air bag respectively.

Preferably, one side of the first air bag, which is close to the extrusion cavity, is fixedly connected and communicated with a plurality of vent pipes, and the vent pipes are in one-to-one correspondence and are communicated with the second air bags.

Preferably, the width dimension of the first annular plate is the same as the width dimension of the mounting cavity.

Preferably, the width dimension of the second annular plate is smaller than the width dimension of the mounting cavity, and a gap is formed between two sides of the second annular plate and two side walls of the mounting cavity.

Preferably, the height dimension of the extrusion cavity is smaller than that of the installation cavity, and the height center point of the extrusion cavity and the height center point of the installation cavity are located on the same plane.

Preferably, the connecting assembly comprises a fixing ring, the fixing ring is fixedly connected with the outer ring of the rubber ring body in the circumferential direction, a plurality of connecting holes are formed in the fixing ring in the circumferential direction, the height dimension of the fixing ring is smaller than that of the rubber ring body, and the height center point of the fixing ring and the height center point of the rubber ring body are located on the same plane.

Preferably, the top surface and the bottom surface of the rubber ring body are respectively and circumferentially fixedly connected with a wear-resistant layer, and the width dimension of the wear-resistant layer is the same as that of the rubber ring body.

The utility model discloses the following technical effects: install the rubber ring body between two outside ring flanges through coupling assembling, make the rubber ring body produce deformation through the extrusion of two ring flanges, thereby two elastic component in the internal installation cavity of rubber ring extrudees first gasbag, first gasbag receives the extrusion back, wherein part gas gets into respectively in a plurality of extrusion chambeies second gasbag, make the second gasbag further expand, thereby promote the stripper plate and make the inner circle part of rubber ring body further produce deformation, increase the deformation range of rubber ring body inner circle, fill the gap between rubber ring body inner circle contact surface and the work piece, thereby more effectively with work piece in close contact, improve sealed effect.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a top view of the present utility model;

FIG. 3 is a schematic illustration of the connection of a first bladder and a plurality of second bladders in the present utility model;

in the figure: 1. a rubber ring body; 2. a mounting cavity; 3. a first air bag; 4. an extrusion chamber; 5. an extrusion plate; 6. a second air bag; 7. a first annular plate; 8. a second annular plate; 9. a spring telescoping rod; 10. a vent pipe; 11. a fixing ring; 12. a connection hole; 13. and a wear-resistant layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

Referring to fig. 1-3, this embodiment provides a rubber sealing gasket, including rubber ring body 1, rubber ring body 1 outer lane circumference rigid coupling has coupling assembling, install chamber 2 has been seted up in the rubber ring body 1, install chamber 2 around rubber ring body 1 circumference setting, install intracavity 2 symmetry is equipped with elastic component, rigid coupling has first gasbag 3 between two elastic component, circumference equidistant a plurality of extrusion chamber 4 that are equipped with in the rubber ring body 1, a plurality of extrusion chamber 4 are located the installation intracavity 2 inboard, sliding connection has extrusion board 5 in extrusion chamber 4, extrusion board 5 and extrusion chamber 4 keep away from the lateral wall butt of installation chamber 2, extrusion board 5 is close to the lateral wall circumference rigid coupling of installation chamber 2 and has second gasbag 6, second gasbag 6 and first gasbag 3 intercommunication.

Install rubber ring body 1 between two outside ring flanges through coupling assembling, make rubber ring body 1 produce deformation through the extrusion of two ring flanges, thereby two elastic component in installation cavity 2 in rubber ring body 1 extrudees first gasbag 3, first gasbag 3 receives the extrusion back, wherein part gas gets into respectively in a plurality of extrusion chamber 4 second gasbag 6, make second gasbag 6 further expand, thereby promote stripper plate 5 and make the inner circle part of rubber ring body 1 further produce deformation, increase the deformation range of rubber ring body 1 inner circle, fill the gap between rubber ring body 1 inner circle contact surface and the work piece, thereby more effective and work piece in close contact, improve sealed effect.

Further optimizing scheme, the elastic component includes first annular plate 7 and second annular plate 8, has a plurality of spring telescopic links 9 between first annular plate 7 and the second annular plate 8 rigid coupling, and two first annular plate 7 rigid couplings are at the roof and the diapire of installation cavity 2 respectively, and two second annular plate 8 rigid couplings are at the top surface and the bottom surface of first gasbag 3 respectively.

When the rubber ring body 1 receives the extrusion of upper and lower two directions, two first annular plates 7 relative movement to promote two second annular plates 8 relative movement through a plurality of spring telescopic links 9, thereby realize the extrusion to first gasbag 3, and can make between first annular plate 7 and the second annular plate 8 be in the tensioning state through a plurality of spring telescopic links 9, and cooperate first gasbag 3 to receive the reaction force after the extrusion, improve stability and extrusion dynamics, the reaction force of spring telescopic links 9 acts on first annular plate 7 simultaneously, realized the elastic support of rubber ring body 1 top and bottom, further improve sealed effect.

In a further optimized scheme, one side of the first air bag 3, which is close to the extrusion cavity 4, is fixedly connected and communicated with a plurality of ventilation pipes 10, and the plurality of ventilation pipes 10 are in one-to-one correspondence and are communicated with a plurality of second air bags 6.

When the first air bag 3 is extruded, the air therein enters the second air bag 6 through the plurality of ventilation pipes 10, so that the second air bag 6 expands to push the extrusion plate 5.

Further preferably, the width of the first annular plate 7 is the same as the width of the mounting cavity 2.

In this way, the contact area between the first annular plate 7 and the rubber ring body 1 can be increased, so that the extrusion force can be transmitted better.

In a further optimized scheme, the width dimension of the second annular plate 8 is smaller than that of the mounting cavity 2, and gaps are reserved between two sides of the second annular plate 8 and two side walls of the mounting cavity 2.

Therefore, the second annular plate 8 can be in an active state in the mounting cavity 2, and the second annular plate 8 can be conveniently moved downwards under the stress to squeeze the first air bag 3.

Further optimizing scheme, the height dimension of the extrusion cavity 4 is smaller than the height dimension of the installation cavity 2, and the height center point of the extrusion cavity 4 and the height center point of the installation cavity 2 are located on the same plane.

Thus, interference with the extrusion plate 5 can be avoided when the first annular plate 7 is extruded under force, so that the rubber ring body 1 has a sufficient deformation range.

Further optimizing scheme, coupling assembling includes solid fixed ring 11, gu fixed ring 11 circumference rigid coupling is at the outer lane of rubber ring body 1, and a plurality of connecting holes 12 have been seted up to gu fixed ring 11 circumference on, gu fixed ring 11's high size is less than the high size of rubber ring body 1, and gu fixed ring 11's high central point and the high central point of rubber ring body 1 are located the coplanar.

The rubber ring body 1 is easily installed between two outer flanges through the fixing ring 11 and the connection hole 12, and it is also possible to realize a deformation range capable of being compressed up and down when the rubber ring body 1 is pressed.

Further, the fixing ring 11 is preferably made of metal or hard plastic.

Further optimizing scheme, the top surface and the bottom surface of the rubber ring body 1 are respectively fixedly connected with a wear-resistant layer 13 in the circumferential direction, and the width dimension of the wear-resistant layer 13 is the same as the width dimension of the rubber ring body 1.

The service life of the device can be prolonged by arranging the wear-resistant layer 13.

Further, the rubber ring body 1 is preferably made of a silicone rubber material, has good high and low temperature resistance and deformation effect, and the wear-resistant layer 13 is preferably made of a polyurethane rubber material, and has good wear resistance.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims

1. A rubber gasket seal, characterized in that: including rubber ring body (1), rubber ring body (1) outer lane circumference rigid coupling has coupling assembling, install chamber (2) have been seted up in rubber ring body (1), install chamber (2) around rubber ring body (1) circumference sets up, the symmetry is equipped with elastic component in install chamber (2), two rigid coupling has first gasbag (3) between the elastic component, circumference equidistant is equipped with a plurality of extrusion chamber (4) in rubber ring body (1), a plurality of extrusion chamber (4) are located install chamber (2) inboard, be connected with stripper plate (5) in extrusion chamber (4) in the sliding connection, stripper plate (5) with the lateral wall butt of installation chamber (2) is kept away from in extrusion chamber (4), stripper plate (5) are close to the lateral wall circumference rigid coupling of installation chamber (2) has second gasbag (6), second gasbag (6) with first gasbag (3) intercommunication.

2. A rubber gasket seal according to claim 1, wherein: the elastic component includes first annular plate (7) and second annular plate (8), first annular plate (7) with rigid coupling has a plurality of spring telescopic links (9) between second annular plate (8), two first annular plate (7) rigid coupling respectively roof and diapire in installation cavity (2), two second annular plate (8) rigid coupling respectively the top surface and the bottom surface of first gasbag (3).

3. A rubber gasket seal according to claim 1, wherein: one side of the first air bag (3) close to the extrusion cavity (4) is fixedly connected and communicated with a plurality of ventilation pipes (10), and the ventilation pipes (10) are in one-to-one correspondence and are communicated with the second air bags (6).

4. A rubber gasket seal according to claim 2, wherein: the width dimension of the first annular plate (7) is the same as the width dimension of the mounting cavity (2).

5. A rubber gasket seal according to claim 2, wherein: the width dimension of the second annular plate (8) is smaller than that of the mounting cavity (2), and gaps are reserved between two sides of the second annular plate (8) and two side walls of the mounting cavity (2).

6. A rubber gasket seal according to claim 1, wherein: the height dimension of the extrusion cavity (4) is smaller than that of the installation cavity (2), and the height center point of the extrusion cavity (4) and the height center point of the installation cavity (2) are located on the same plane.

7. A rubber gasket seal according to claim 1, wherein: the connecting assembly comprises a fixing ring (11), the fixing ring (11) is fixedly connected with the outer ring of the rubber ring body (1) in the circumferential direction, a plurality of connecting holes (12) are formed in the fixing ring (11) in the circumferential direction, the height dimension of the fixing ring (11) is smaller than that of the rubber ring body (1), and the height center point of the fixing ring (11) and the height center point of the rubber ring body (1) are located on the same plane.

8. A rubber gasket seal according to claim 1, wherein: the top surface and the bottom surface of the rubber ring body (1) are respectively and circumferentially fixedly connected with a wear-resistant layer (13), and the width dimension of the wear-resistant layer (13) is the same as the width dimension of the rubber ring body (1).