Splicing type rubber sealing element

By setting sealing protrusions and grooves on the annular inner surface of the rubber seal and utilizing the compression action of the spring, the problem of poor sealing during seal installation in the prior art is solved, and a better sealing effect is achieved.

CN224107659UActive Publication Date: 2026-04-10JIANGSU YINGYAO NEW MATERIALS TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-30
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing interlocking rubber seals are difficult to achieve a good sealing effect during installation, especially at the connection between the annular structure and the sealed component.

Method used

A spliced ​​rubber seal is designed. By setting sealing protrusions on the annular inner surfaces of the first and second rubber parts, combined with the compression action of the spring, the rubber parts are made to fit tightly together. Sealing grooves and protrusions are set on the contact surface to enhance the sealing performance.

Benefits of technology

It improves the sealing effect of rubber seals, ensures a tight fit with the sealed parts during installation, and enhances sealing performance.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224107659U_ABST
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Abstract

The utility model discloses a splicing type rubber sealing piece which comprises a first rubber piece and a second rubber piece, the first rubber piece and the second rubber piece are limited through a second end base and a shell after being in butt joint, a first end base is installed at the end, away from the second end base, of the first rubber piece, and a spring is arranged on the outer side of the first rubber piece in a sleeved mode. The two ends of the spring abut against the first end base and the second end base respectively. A sealing groove is formed in the end, located on the second rubber part, of the first rubber part, and a sealing protrusion tightly attached to the sealing groove is arranged at the end, located on the first rubber part, of the second rubber part. A plurality of sealing protruding strips are arranged on the annular inner surface of the first rubber part, and a plurality of sealing protruding strips are arranged on the annular inner surface of the second rubber part. According to the utility model, the spring can extrude the second end seat, so that the sealing effect is ensured; when the sealing piece is installed on a sealed piece, the sealing protruding strip of the triangular structure can be well attached to the sealed piece, and the sealing effect is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to rubber sealing technical field, concretely is a spliced rubber sealing. BACKGROUND

[0002] Rubber sealing is a kind of part for preventing liquid or gas leakage, is widely used in various industries, and rubber sealing is usually made of rubber material, has good elasticity and chemical resistance, and the main function of rubber sealing is to ensure the sealing performance between connecting parts or closed parts, prevent liquid, gas or dust and other substances from leaking or seeping in;Each sealing has its specific shape and design to adapt to different sealing conditions and working environment.

[0003] The existing announcement No. CN222085128U discloses a spliced rubber sealing, relates to the technical field of sealing, and comprises a first fixed ring and a second fixed ring, wherein the first fixed ring is arranged on one side of the second fixed ring, the top of the first fixed ring and the second fixed ring is provided with a sealing mechanism, and the two sides of the first fixed ring are provided with a first connecting rod, one side of the first connecting rod is provided with a mounting mechanism, the mounting mechanism comprises a connecting groove opened on the surface of the first connecting rod, the inside of the connecting groove is provided with a connecting block, and one side of the connecting block is provided with a second connecting rod, the top of the second connecting rod is provided with a connecting rod, a movable piece is movably sleeved on the connecting rod, and one side of the movable piece is provided with a clamping block. The first fixed ring and the second fixed ring can be disassembled or installed, time and labor are saved, the sealing performance is improved, and the operation is convenient and fast.

[0004] The existing technology improves the sealing performance to some extent, but when the ring structure is installed at the sealed part, how to realize good sealing at the place is a technical problem to be solved. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a spliced rubber sealing to solve the problems in the prior art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a spliced rubber sealing, comprising a first rubber part and a second rubber part, the first rubber part and the second rubber part are limited by the second end seat and the shell after abutting, a first end seat is installed at one end of the first rubber part away from the second end seat, a spring is sleeved on the outside of the first rubber part, and the two ends of the spring are respectively abutted on the first end seat and the second end seat;A sealing groove is formed at one end of the first rubber part, and a sealing protrusion is arranged at one end of the second rubber part and tightly abuts with the sealing groove;A plurality of sealing convex strips are arranged on the annular inner surface of the first rubber part, and a plurality of sealing convex strips are arranged on the annular inner surface of the second rubber part.

[0007] Preferably, the sealing groove is a circular-arc-shaped groove, and the sealing protrusion is a semicircular protrusion, the diameter of the semicircular groove being greater than the diameter of the semicircular protrusion.

[0008] Preferably, the sealing convex strip is a circular-annular convex strip, and the cross-sectional shape of the sealing convex strip is a triangle.

[0009] Preferably, the first rubber member comprises a sealing member body, one end of the sealing member body is provided with a first limiting ring matched with the first end seat, and the other end of the sealing member body is provided with a flared portion, and the flared portion is provided with a second limiting ring away from one end of the sealing member body.

[0010] Preferably, the second end seat is located on the inner side of the shell, and the first end seat, the second end seat and the shell are metal members.

[0011] Compared with the prior art, the utility model has the advantages that the outer side of the first rubber member is sleeved with a spring, the two ends of the spring are respectively abutted on the first end seat and the second end seat, the spring can extrude the second end seat, so that the first rubber member and the second rubber member are tightly attached, and the sealing effect is ensured; the annular inner surface of the first rubber member is provided with a plurality of sealing convex strips, the annular inner surface of the second rubber member is provided with a plurality of sealing convex strips, the sealing convex strip is a circular-annular convex strip, the cross-sectional shape of the sealing convex strip is a triangle, and the plurality of triangular sealing convex strips can be well attached to the sealed member when the sealing member is installed on the sealed member, so that the sealing effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] The accompanying drawings are included to provide a further understanding of the utility model, constitute a part of the specification and are used to explain the utility model together with embodiments of the utility model, and do not constitute a limitation on the utility model. In the drawings:

[0013] Figure 1 It is the structural schematic diagram of the utility model;

[0014] Figure 2 It is the front view of the utility model;

[0015] Figure 3 It is the sectional view of the utility model;

[0016] Figure 4 It is the structural schematic diagram of the first rubber member of the utility model.

[0017] In the drawing: 1, spring; 2, first end seat; 3, first rubber member; 4, second end seat; 5, shell; 6, second rubber member; 7, sealing convex strip; 8, sealing groove; 9, sealing protrusion; 31, sealing member body; 32, first limiting ring; 33, flared portion; 34, second limiting ring. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the utility model embodiment clearer, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment. Obviously, the described embodiment is a 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 belong to the protection scope of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents the selected embodiments of the utility model.

[0019] Please refer to Figures 1-4 In the utility model embodiment, a spliced rubber sealing element comprises a first rubber element 3 and a second rubber element 6, the first rubber element 3 and the second rubber element 6 are limited by a second end seat 4 and a shell 5 after abutting, a first end seat 2 is installed at one end of the first rubber element 3 away from the second end seat 4, a spring 1 is sleeved outside the first rubber element 3, the both ends of the spring 1 are respectively abutted on the first end seat 2 and the second end seat 4, the spring 1 can extrude the second end seat 4, so that the first rubber element 3 and the second rubber element 6 are tightly attached, and the sealing effect is ensured; the second end seat 4 is located inside the shell 5, and the first end seat 2, the second end seat 4 and the shell 5 are metal elements.

[0020] A sealing groove 8 is formed at one end of the first rubber element 3, a sealing protrusion 9 is arranged at one end of the second rubber element 6 and tightly attached to the sealing groove 8, the sealing groove 8 is a circular-arc-shaped groove, the sealing protrusion 9 is a semicircular protrusion, the diameter of the semicircular groove is greater than the diameter of the semicircular protrusion; a plurality of sealing protrusions 7 are arranged on the annular inner surface of the first rubber element 3, a plurality of sealing protrusions 7 are arranged on the annular inner surface of the second rubber element 6, the sealing protrusions 7 are circular-ring-shaped protrusions, the cross-sectional shape of the sealing protrusions 7 is triangular, and the plurality of triangular structure sealing protrusions 7 can be well attached to the sealed element when the sealing element is installed on the sealed element, so that the sealing effect is improved.

[0021] The first rubber element 3 comprises a sealing element main body 31, a first limiting ring 32 is arranged at one end of the sealing element main body 31 and matched with the first end seat 2, an expanding portion 33 is arranged at the other end of the sealing element main body 31, a second limiting ring 34 is arranged at one end of the expanding portion 33 away from the sealing element main body 31, and the expanding portion 33 is used for the function of changing the diameter, so that the sealing performance of the diameter-changing part can be ensured not to be affected.

[0022] The utility model discloses a working principle is: the outside of first rubber piece 3 has the spring 1, and the both ends of spring 1 are respectively rested on first end seat 2 and second end seat 4, and spring 1 can extrude second end seat 4, to make first rubber piece 3 and second rubber piece 6 closely adhere, and ensure sealing effect, the annular inner surface of first rubber piece 3 is provided with a plurality of sealing convex strip 7, and the annular inner surface of second rubber piece 6 is provided with a plurality of sealing convex strip 7, and sealing convex strip 7 is circular annular convex strip, and the cross section shape of sealing convex strip 7 is triangle, and a plurality of triangle structure sealing convex strip 7 can be well adhered with the sealed piece when sealing piece is installed on the sealed piece, and improve sealing effect.

[0023] Finally, it should be noted that: the above only for the preferred embodiments of the utility model have been described, and are not used to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part technical feature. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A spliced rubber seal comprising a first rubber piece (3) and a second rubber piece (6), characterized in that: The first rubber piece (3) and the second rubber piece (6) are limited by the second end seat (4) and the shell (5) after abutting, a first end seat (2) is installed at one end of the first rubber piece (3) away from the second end seat (4), and the outer side of the first rubber piece (3) is sleeved with a spring (1), and the two ends of the spring (1) are respectively abutted against the first end seat (2) and the second end seat (4); A sealing groove (8) is formed at one end of the first rubber piece (3), and a sealing protrusion (9) is arranged at one end of the second rubber piece (6) and tightly abuts against the sealing groove (8); a plurality of sealing convex strips (7) are arranged on the annular inner surface of the first rubber piece (3), and a plurality of sealing convex strips (7) are arranged on the annular inner surface of the second rubber piece (6).

2. A spliced rubber seal according to claim 1, wherein: The sealing groove (8) is a circular arc groove, and the sealing protrusion (9) is a semicircular protrusion, and the diameter of the semicircular groove is greater than the diameter of the semicircular protrusion.

3. A spliced rubber seal according to claim 1, wherein: The sealing convex strip (7) is a circular ring convex strip, and the cross-sectional shape of the sealing convex strip (7) is a triangle.

4. A spliced rubber seal according to claim 1, wherein: The first rubber piece (3) comprises a sealing piece body (31), one end of the sealing piece body (31) is provided with a first limiting ring (32) matched with the first end seat (2), the other end of the sealing piece body (31) is provided with a flared portion (33), and one end of the flared portion (33) away from the sealing piece body (31) is provided with a second limiting ring (34).

5. A spliced rubber seal according to claim 1, wherein: The second end seat (4) is located on the inner side of the shell (5), and the first end seat (2), the second end seat (4) and the shell (5) are metal pieces.

Citation Information

Patent Citations

  • Splicing type rubber sealing element

    CN222085128U