Sealing ring

Abstract

The utility model discloses a sealing ring which is used for being connected between a first target installation object and a second target installation object in an abutting mode and comprises a sealing ring body and a compensation structure. The compensation structure comprises a compensation ring and a compensation piece, one end of the compensation piece is connected to the compensation ring, and the projection of the other end of the compensation piece in the axial direction of the compensation ring protrudes out of the projection of the compensation ring in the axial direction of the compensation ring. When the sealing ring is connected between the first target installation object and the second target installation object in an abutting mode, the compensation piece is connected to the sealing ring body in an abutting mode. According to the compensation structure, after the sealing ring body rebounds, the compensation piece rebounds at the same time, the compensation piece abuts against the sealing ring body, the reduction amount of the compression amount of the sealing ring body is small, and the sealing ring keeps a good sealing effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to sealing ring technical field, especially a sealing ring. BACKGROUND

[0002] At present, the common top cover has injection molding type and riveting type, and the top cover of the two types is generally sealed by using rubber sealing ring. The sealing ring is placed between the top cover sheet and the pole, and the two are compressed to a certain thickness by the sealing ring to play a sealing role. The injection molding type top cover fixes the positions of the top cover sheet, the sealing ring, the pole and the lower plastic through injection molding; the riveting type top cover fixes the components through the riveting force of the pole.

[0003] However, the upper plastic of the injection molding type top cover and the riveting force of the riveting type top cover will age and fail after long-term use, and the effect of fixing the components of the top cover will become poor. At this time, the sealing ring rebounds, the compression amount decreases, and the sealing effect will become poor. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a sealing ring, and aims to solve the problem that the compression amount of the sealing ring decreases and the sealing effect becomes poor after the sealing ring rebounds after long-term use of the existing top cover.

[0005] To solve the above technical problems, the utility model embodiment provides a sealing ring for abutting between a first target installation and a second target installation, comprising: a sealing ring body and a compensation structure; the compensation structure comprises a compensation ring and a compensation piece, one end of the compensation piece is connected to the compensation ring, and the projection of the other end of the compensation piece in the axial direction of the compensation ring protrudes from the projection of the compensation ring in the axial direction of the compensation ring; wherein, when the sealing ring abuts between the first target installation and the second target installation, the compensation piece abuts on the sealing ring body.

[0006] Further, the compensation piece comprises: a plurality of elastic pieces, the plurality of elastic pieces are arranged in sequence in the circumferential direction of the compensation ring, one end of the elastic piece is connected to the compensation ring, and the projection of the other end of the elastic piece in the axial direction of the compensation ring protrudes from the projection of the compensation ring in the axial direction of the compensation ring.

[0007] Further, the plurality of elastic pieces are connected to the outer side of the compensation ring, or the plurality of elastic pieces are connected to the inner side of the compensation ring, or the plurality of elastic pieces are alternately connected to the inner and outer sides of the compensation ring.

[0008] Further, the elastic piece comprises: a connecting part and a compensation part, the connecting part is arranged at one end of the elastic piece and connected to the compensation ring; the compensation part is arranged at the other end of the elastic piece, and the projection of the compensation part in the axial direction of the compensation ring protrudes from the projection of the compensation ring in the axial direction of the compensation ring.

[0009] Further, the compensation member comprises an extension part, the extension part is annular, and the extension part is connected to the compensation ring on the inner side and projects the projection of the compensation ring on the axial direction of the compensation ring on the outer side.

[0010] Further, the extension part is connected to the outer side of the compensation ring, or the extension part is connected to the inner side of the compensation ring.

[0011] Further, the extension part is provided with two extension parts, and the two extension parts are connected to the outer side and the inner side of the compensation ring respectively.

[0012] Further, the compensation ring comprises an inner ring and an outer ring, the outer ring is arranged on the outer side of the inner ring, and the compensation member is connected to the inner ring and the outer ring on one end and projects the projection of the inner ring and the outer ring on the axial direction of the inner ring and the outer ring on the other end.

[0013] Further, the compensation structure comprises a plurality of elastic members, the plurality of elastic members are arranged on the circumferences of the inner ring and the outer ring in sequence respectively, the elastic members on the inner ring are arranged at intervals and face the outer ring, and the elastic members on the outer ring are arranged at intervals and face the inner ring.

[0014] Further, the compensation structure comprises two extension parts, the extension parts are annular, and the two extension parts are connected to the inner ring and the outer ring on the inner side and project the projection of the inner ring and the outer ring on the axial direction of the inner ring and the outer ring on the outer side.

[0015] The utility model provides a sealing ring for abutting between first target installation and second target installation, comprising: sealing ring body and compensation structure, compensation structure comprises compensation ring and compensation member, and one end of compensation member is connected to compensation ring, and the other end projects the projection of compensation ring on the axial direction of compensation ring on the axial direction of compensation ring, wherein when sealing ring abuts between first target installation and second target installation, compensation member abuts on sealing ring body, the utility model discloses through the compensation structure after the rebound of sealing ring body, compensation member rebounds simultaneously, and compensation member presses sealing ring body, so that the compression amount of sealing ring body is smaller, and sealing ring keeps better sealing effect. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0017] Figure 1 The structural diagram of the sealing ring provided by the embodiment of the present application is shown in the figure.

[0018] Figure 2 The structural diagram of the top cover provided by the embodiment of the present application is shown in the figure.

[0019] Figure 3 The structural diagram of the compensation structure from the first perspective provided by the embodiment of the present application is shown in the figure.

[0020] Figure 4 The structural diagram of the compensation structure from the second perspective provided by the embodiment of the present application is shown in the figure.

[0021] Figure 5 The structural diagram of the compensation structure from the third perspective provided by the embodiment of the present application is shown in the figure.

[0022] Figure 6 The structural diagram of the compensation structure from the fourth perspective provided by the embodiment of the present application is shown in the figure.

[0023] Figure 7 The structural diagram of the compensation structure from the fifth perspective provided by the embodiment of the present application is shown in the figure.

[0024] Explanation of the figure:

[0025] 1, sealing ring body; 11, abutting groove;

[0026] 2, compensation structure;

[0027] 3, compensation ring; 31, inner ring; 32, outer ring;

[0028] 4, compensation part;

[0029] 5, elastic part; 51, connecting part; 52, compensation part;

[0030] 6, extension part;

[0031] 7, top cover sheet;

[0032] 8, upper plastic;

[0033] 9, lower plastic;

[0034] 10, pole. DETAILED DESCRIPTION

[0035] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0036] It should be understood that the terms "comprise" and "include" as used in the specification and the appended claims indicate the presence of the described features, integers, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof.

[0037] It should also be understood that the terms used in the present application specification are only for the purpose of describing specific embodiments and are not intended to limit the present application. As used in the present application specification and the appended claims, the singular forms "a", "an" and "the" are intended to include the plural forms unless the context clearly indicates otherwise.

[0038] It should be further understood that the term "and / or" as used in the present application specification and the appended claims means any combination of one or more of the associated listed items and all possible combinations, and includes these combinations.

[0039] In combination with Figures 1-7 As shown in the drawings, the present application provides a sealing ring for abutting between a first target installation (not shown) and a second target installation (not shown), comprising: a sealing ring body 1 and a compensation structure 2; the compensation structure 2 comprises a compensation ring 3 and a compensation piece 4, one end of the compensation piece 4 is connected to the compensation ring 3, and the other end projects out of the projection of the compensation ring 3 in the axial direction of the compensation ring 3; wherein, when the sealing ring abuts between the first target installation and the second target installation, the compensation piece 4 abuts on the sealing ring body 1.

[0040] In the embodiment of the utility model, the projection of the compensation member 4 in the axial direction of the compensation ring 3 protrudes in the thickness direction of the compensation ring 3, when the sealing ring is abutted between the first target installation and the second target installation, the compensation member 4 is abutted on the sealing ring body 1, the compensation member 4 is in the compressed state, therefore, after the top cover is used for a long time, the sealing ring body 1 rebounds, the compensation member 4 rebounds simultaneously, and the compensation member 4 rebounds and presses the sealing member body 1, so that the compression amount of the sealing ring body 1 is reduced by a small amount, so that the whole sealing ring maintains a good sealing effect. Wherein, it can be understood that the first target installation and the second target installation are the assembly parts of the sealing ring abutted on the upper and lower ends in the top cover.

[0041] In some embodiments, the sealing ring body 1 is provided with an abutment groove 11, and the compensation member 4 is abutted in the abutment groove 11.

[0042] In the embodiment, the compensation member 4 is abutted in the abutment groove 11, so that the connection between the compensation structure 2 and the sealing ring body 1 is more compact, and the compensation structure 2 is not easy to separate from the sealing ring body 1, after the top cover is used for a long time, the sealing ring body 1 rebounds, the compensation member 4 rebounds simultaneously, the compensation member 4 can stably press the sealing member body 1, so that the compression amount of the sealing ring body 1 is reduced by a small amount, so that the whole sealing ring maintains a good sealing effect.

[0043] In combination Figure 2 As shown in the figure, in a specific application scenario, the sealing ring is applied in the top cover, the sealing ring is arranged between the top cover sheet 7 and the lower plastic 9, the upper plastic 8 is connected between the sealing ring and the top cover sheet, the pole 10 is connected between the sealing ring and the lower plastic, after the top cover is used for a long time, the sealing ring body 1 rebounds, the compensation member 4 rebounds and presses the sealing member body 1, so that the compression amount of the sealing ring body 1 is reduced by a small amount, and the sealing ring maintains a good sealing effect.

[0044] In some embodiments, the compensation structure 2 is a metal element, and the sealing ring body 1 is a rubber element.

[0045] In the embodiment, the abutment pressure of the metal element is strong, when the sealing ring body 1 rebounds, the compensation member 4 of the metal element rebounds and presses the sealing member body 1 with strong force, so that the compression amount of the sealing ring body 1 is reduced by a small amount, so that the sealing ring maintains a good sealing effect.

[0046] In some specific embodiments, the compensation member 4 and the compensation ring 3 are integrally formed, which is convenient for production and processing, and can further improve the sealing effect of the whole sealing ring.

[0047] In some embodiments, the compensation member 4 comprises a plurality of elastic members 5 arranged in sequence in the circumferential direction of the compensation ring 3, one end of the elastic member 5 being connected to the compensation ring 3, and the other end projecting beyond the projection of the compensation ring 3 in the axial direction of the compensation ring 3.

[0048] In the present embodiment, the plurality of elastic members 5 are arranged in sequence in the circumferential direction of the compensation ring 3, and the elastic members 5 are wrapped in the thickness direction of the compensation ring 3 under pressure. After the cap is used for a long time, the sealing ring body 1 rebounds, the elastic members 5 rebound and press against the sealing ring body 1, so that the compression amount of the sealing ring body 1 decreases by a small amount, and the sealing ring maintains good sealing effect.

[0049] In some embodiments, the plurality of elastic members 5 are connected to the outer side of the compensation ring 3, or the plurality of elastic members 5 are connected to the inner side of the compensation ring 3, or the plurality of elastic members 5 are alternately connected to the inner and outer sides of the compensation ring 3.

[0050] In the present embodiment, the plurality of elastic members 5 connected to the outer side of the compensation ring 3 can avoid interference between the elastic members 5 under pressure, the plurality of elastic members 5 connected to the inner side of the compensation ring 3 can reduce the size of the compensation structure 2, and the plurality of elastic members 5 alternately connected to the inner and outer sides of the compensation ring 3 can improve the overall sealing effect of the sealing ring.

[0051] In some embodiments, the elastic member 5 comprises a connecting portion 51 and a compensation portion 52, the connecting portion 51 is arranged at one end of the elastic member 5 and connected to the compensation ring 3, and the compensation portion 52 is arranged at the other end of the elastic member 5, and the projection of the compensation portion 52 in the axial direction of the compensation ring 3 projects beyond the projection of the compensation ring 3 in the axial direction of the compensation ring 3.

[0052] In the present embodiment, the connecting portion 51 is used to connect the compensation ring 3 and the compensation portion 52, and after the cap is used for a long time, the sealing ring body 1 rebounds, the compensation portion 52 rebounds and presses against the sealing ring body 1, so that the compression amount of the sealing ring body 1 decreases by a small amount, and the overall sealing effect of the sealing ring is maintained.

[0053] In some embodiments, the compensation member 4 comprises an extension 6, the extension 6 is annular, and the inner side of the extension 6 is connected to the compensation ring 3, and the outer side of the extension 6 projects beyond the projection of the compensation ring 3 in the axial direction of the compensation ring 3.

[0054] In the present embodiment, the extension 6 is annular and the inner side of the extension 6 is connected to the compensation ring 3, and the outer side of the extension 6 exceeds the thickness direction of the compensation ring 3, and after the cap is used for a long time, the sealing ring body 1 rebounds, the outer side of the extension 6 rebounds and presses against the sealing ring body 1, so that the compression amount of the compensation ring 3 decreases by a small amount, and the sealing ring maintains good sealing effect.

[0055] In some embodiments, the extension 6 is connected to the outer side of the compensation ring 3, or the extension 6 is connected to the inner side of the compensation ring 3.

[0056] In the embodiment, the extension 6 connected to the outer side of the compensation ring 3 can prevent the outer side of the extension 6 from interfering in the compressed state; the extension 6 connected to the inner side of the compensation ring 3 can reduce the size of the sealing ring.

[0057] In some embodiments, two extensions 6 are provided, and the two extensions 6 are respectively connected to the outer side and the inner side of the compensation ring 3.

[0058] In the embodiment, the two extensions 6 respectively connected to the outer side and the inner side of the compensation ring 3 can increase the sealing effect of the sealing ring.

[0059] In some embodiments, the compensation ring 3 includes an inner ring 31 and an outer ring 32, the outer ring 32 is arranged outside the inner ring 31; the compensation structure 2 is respectively connected to the inner ring 31 and the outer ring 32 at one end, and the projection of the other end in the axial direction of the inner ring 31 and the outer ring 32 protrudes from the projection of the inner ring 31 and the outer ring 32 in the axial direction of the inner ring 31 and the outer ring 32.

[0060] In the embodiment, the sealing ring includes two layers, which can improve the overall sealing effect of the sealing ring. After the top cover is used for a long time, the sealing ring body 1 rebounds, the compensation structure 2 rebounds and presses the sealing ring body 1, so that the compression amount of the sealing ring body 1 decreases by a small amount, and the overall sealing effect of the sealing ring is maintained.

[0061] In some embodiments, the compensation structure 2 includes: a plurality of elastic members 5, the plurality of elastic members 5 are arranged in sequence in the circumferential direction of the inner ring 31 and the outer ring 32, and the elastic members 5 on the inner ring 31 and the outer ring 32 are arranged at intervals, the elastic members 5 on the inner ring 31 face the outer ring 32, and the elastic members 5 on the outer ring 32 face the inner ring 31.

[0062] In the embodiment, the plurality of elastic members 5 are arranged in sequence in the circumferential direction of the inner ring 31 and the outer ring 32. After the top cover is used for a long time, the sealing ring body 1 rebounds, the elastic members 5 rebound and press the sealing ring body 1, so that the compression amount of the sealing ring body 1 decreases by a small amount, and the overall sealing effect of the sealing ring is maintained. Moreover, the elastic members 5 on the inner ring 31 face the outer ring 32, and the elastic members 5 on the outer ring 32 face the inner ring 31, so that the elastic members 5 are arranged closely, and the overall size of the sealing ring is small and the sealing performance is good.

[0063] In some embodiments, the compensation structure 2 includes: two extensions 6, the extension 6 is in the shape of a ring, and the inner sides of the two extensions 6 are respectively connected to the inner ring 31 and the outer ring 32, and the projection of the outer side in the axial direction of the inner ring 31 and the outer ring 32 protrudes from the projection of the inner ring 31 and the outer ring 32 in the axial direction of the inner ring 31 and the outer ring 32.

[0064] In the embodiment, the extension part 6 is annular, and the inner side of the extension part 6 is connected to the inner ring 31 and the outer ring 32, and the outer side of the extension part 6 exceeds the thickness direction of the inner ring 31 and the outer ring 32. After the top cover is used for a long time, the sealing ring body 1 rebounds, the outer side of the extension part 6 rebounds and presses against the sealing ring body 1, so that the compression amount of the sealing ring body 1 is reduced by a small amount, and the sealing ring as a whole maintains a good sealing effect.

[0065] The above merely provides a specific implementation of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can easily think of various equivalent modifications or replacements within the technical range disclosed by the present application, and these modifications or replacements should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A sealing ring for abutting between a first target mounting and a second target mounting, characterized in that, include: Sealing ring body; The compensation structure includes a compensation ring and a compensation member. One end of the compensation member is connected to the compensation ring, and the projection of the other end of the compensation member in the axial direction of the compensation ring protrudes beyond the projection of the compensation ring in the axial direction of the compensation ring. Specifically, when the sealing ring abuts between the first target mounting and the second target mounting, the compensation member abuts against the sealing ring body.

2. The sealing ring according to claim 1, characterized in that, The compensation component includes: Multiple elastic elements are arranged sequentially in the circumferential direction of the compensation ring. One end of each elastic element is connected to the compensation ring, and the projection of the other end of the compensation ring in the axial direction of the compensation ring protrudes beyond the projection of the compensation ring in the axial direction of the compensation ring.

3. The sealing ring according to claim 2, characterized in that, The multiple elastic elements are connected to the outside of the compensation ring, or the multiple elastic elements are connected to the inside of the compensation ring, or the multiple elastic elements are alternately connected to the inside and outside of the compensation ring.

4. The sealing ring according to claim 2, characterized in that, The elastic element includes: A connecting portion is disposed at one end of the elastic member and connected to the compensation ring; The compensation part is disposed at the other end of the elastic member, and the projection of the compensation part in the axial direction of the compensation ring protrudes beyond the projection of the compensation ring in the axial direction of the compensation ring.

5. The sealing ring according to claim 1, characterized in that, The compensation component includes: The extension is annular, with its inner side connected to the compensation ring and its outer side projecting out of the projection of the compensation ring in the axial direction.

6. The sealing ring according to claim 5, characterized in that, The extension is connected to the outer side of the compensation ring, or the extension is connected to the inner side of the compensation ring.

7. The sealing ring according to claim 5, characterized in that, The extension is provided in two parts, which are respectively connected to the outer side and the inner side of the compensation ring.

8. The sealing ring according to claim 1, characterized in that, The compensation ring includes an inner ring and an outer ring, with the outer ring disposed outside the inner ring; One end of the compensation component is connected to the inner ring and the outer ring respectively, and the projection of the other end of the inner ring and the outer ring in the axial direction protrudes beyond the projection of the inner ring and the outer ring in the axial direction.

9. The sealing ring according to claim 8, characterized in that, The compensation component includes: Multiple elastic elements are arranged sequentially in the circumferential direction of the inner ring and the outer ring, with the elastic elements on the inner ring and the outer ring spaced apart. The elastic elements on the inner ring face the outer ring, and the elastic elements on the outer ring face the inner ring.

10. The sealing ring according to claim 8, characterized in that, The compensation structure includes: Two extensions, each in the shape of a ring, are connected to the inner and outer rings respectively on their inner sides. The projections of the outer sides of the extensions in the axial direction of the inner and outer rings protrude beyond the projections of the inner and outer rings in the axial direction of the inner and outer rings.

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