Rubber sealing ring

Abstract

The utility model belongs to the technical field of sealing rings, and particularly relates to a rubber sealing ring which comprises an inner core. A cavity is formed in the inner side of the shell sleeve, and a connecting gap is formed in the edge of the shell sleeve; wherein the inner core is arranged in the outer shell sleeve through the connecting gap, the inner core controls the outer shell sleeve to abut against the working matching face all the time through the elasticity of the inner core, so that the sealing effect is good, meanwhile, the outer shell sleeve protects the inner core, and the inner core can still be used in the extreme environment.

Description

Technical Field

[0001] The utility model belongs to the technical field of sealing rings, in particular to a rubber sealing ring. Background Art

[0002] The rubber sealing ring is an annular cover fixed on one ring or washer of the bearing and contacts with another ring or washer or forms a narrow labyrinth gap to prevent the leakage of lubricating oil and the intrusion of foreign objects.

[0003] The existing rubber sealing ring is easy to be hardened and cracked due to seasonal climate changes, especially in winter, during use. Therefore, we specially designed a rubber sealing ring. Utility Model Content

[0004] The purpose of the utility model is to provide a rubber sealing ring to achieve the effect of high structural strength and cold protection in view of the above-mentioned existing technical problems.

[0005] In view of this, the utility model provides a rubber sealing ring, comprising:

[0006] Inner core;

[0007] An outer shell, wherein a cavity is arranged inside the outer shell and a connecting gap is formed at the edge;

[0008] The inner core is arranged in the outer shell through the connecting gap.

[0009] In the above technical solution, further, the outer shell includes:

[0010] Upper shell;

[0011] Lower shell;

[0012] Connecting part;

[0013] The upper shell and the lower shell are integrated through a connecting portion.

[0014] In the above technical solution, further, the inner core includes:

[0015] A plurality of arc blocks are cooperatively arranged in the cavity to form an inner core.

[0016] In the above technical solution, further, it also includes:

[0017] The side band is arranged on the edge of the outer shell, and a flange is arranged on the inner end surface of the side band, and the flange is fitted into the connecting gap.

[0018] In the above technical solution, further, it also includes:

[0019] Protrusion, the protrusion is arranged on the flange.

[0020] In the above technical solution, further, the outer end surface of the connecting portion is concave to form an arc surface.

[0021] In the above technical solution, further, it also includes:

[0022] The elastic steel ring is arranged on the arc surface.

[0023] The beneficial effects of the utility model are as follows: the inner core controls the outer shell to always be in close contact with the working mating surface through its own elasticity, thereby achieving a good sealing effect; at the same time, the outer shell protects the inner core, so that the inner core can still be used in extreme environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the utility model;

[0025] Figure 2 It is a schematic diagram of the interior of the utility model after cutting;

[0026] Figure 3 It is a cross-sectional view of the utility model;

[0027] The markings in the figure are as follows: 1, inner core; 2, outer shell; 21, upper shell; 22, lower shell; 23, connecting part; 3, cavity; 4, connecting gap; 5, side band; 51, flange; 6, protrusion; 7, arc surface; 8, elastic steel ring. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0029] Embodiment 1:

[0030] This embodiment provides a rubber sealing ring, including:

[0031] Inner core 1;

[0032] An outer shell 2, a cavity 3 is provided inside the outer shell 2, and a connecting gap 4 is formed at the edge;

[0033] The inner core 1 is arranged in the outer shell 2 via the connecting gap 4 .

[0034] It can be seen from this embodiment that a rubber sealing ring comprises an inner core 1 and an outer shell 2;

[0035] A cavity 3 is formed in the outer shell 2, and the outer shell 2 wraps the inner core 1 in the cavity 3 to form a sealing ring. The inner core 1 is made of a soft rubber material, and the outer shell is made of a harder rubber material. The inner core 1 is installed in the cavity 3 through the connecting gap 4, and then cooperates with the outer shell to form a sealing ring;

[0036] When in use, the inner core 1 controls the outer shell 2 by its own elasticity to always be in close contact with the working mating surface, thereby achieving a good sealing effect. At the same time, the outer shell protects the inner core 1, so that the inner core 1 can still be used in extreme environments.

[0037] Embodiment 2:

[0038] This embodiment provides a rubber sealing ring, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0039] The outer shell includes:

[0040] Upper housing 21;

[0041] Lower casing 22;

[0042] Connecting part 23;

[0043] The upper shell 21 and the lower shell 22 are integrated into one body through the connecting portion 23 .

[0044] It can be seen from this embodiment that the outer shell includes an upper shell 21, a lower shell 22 and a connecting portion 23;

[0045] The upper shell 21 and the lower shell 22 are connected together by a connecting portion 23. A cavity 3 is formed between the upper shell 21 and the lower shell 22. The mating surfaces between the upper shell 21 and the lower shell 22 do not abut against each other, thereby forming a connecting gap 4. When in use, it can be connected to the inner core 1 after being broken apart, which is convenient for assembly.

[0046] Embodiment 3:

[0047] This embodiment provides a rubber sealing ring, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0048] The inner core 1 comprises:

[0049] A plurality of arc blocks are cooperatively arranged in the cavity 3 to form an inner core 1 .

[0050] It can be seen from this embodiment that the inner core 1 is formed by a plurality of arc blocks arranged in the cavity 3, so that it is convenient to assemble during use.

[0051] Embodiment 4:

[0052] This embodiment provides a rubber sealing ring, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0053] The side band 5 is arranged on the edge of the outer shell, and a flange 51 is arranged on the inner end surface of the side band 5 , and the flange 51 fits into the connecting gap 4 .

[0054] It can be seen from this embodiment that the side band 5 is arranged on the edge of the outer shell, and a flange 51 is formed on the inner side of the side band 5. The edge is stuck in the connection gap 4 when in use, thereby filling the connection gap 4. The role of the side band 5 is to seal the cavity 3, play a role in preventing foreign matter from entering and protecting.

[0055] Embodiment 5:

[0056] This embodiment provides a rubber sealing ring, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0057] Protrusion 6 : Protrusion 6 is arranged on flange 51 .

[0058] It can be seen from this embodiment that the protrusion 6 can open the upper shell 21 and the lower shell 22 to both sides when in use, thereby playing a role of assisting the inner core 1 to open the upper shell 21 and the lower shell 22 .

[0059] Embodiment 6:

[0060] This embodiment provides a rubber sealing ring, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0061] The outer end surface of the connecting portion 23 is concave to form a curved surface 7 .

[0062] It can be seen from this embodiment that by setting the connecting portion 23 as the arc surface 7, the pressure can be released during the pressing process to avoid damage.

[0063] Embodiment 7:

[0064] This embodiment provides a rubber sealing ring, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0065] The elastic steel ring 8 is arranged on the cambered surface 7 .

[0066] It can be seen from this embodiment that the elastic steel ring 8 is provided to improve the structural strength of the outer shell 2 at the connection part 23, thereby playing a protective role. At the same time, the elastic steel ring 8 is elastic and can absorb the force through elasticity after being subjected to force.

[0067] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A rubber sealing ring, characterized in that: include: Inner core (1); An outer shell (2), wherein a cavity (3) is arranged inside the outer shell (2) and a connecting gap (4) is formed at the edge; Wherein, the inner core (1) is arranged in the outer shell (2) via a connecting gap (4).

2. A rubber sealing ring according to claim 1, characterized in that , the outer shell includes: Upper casing (21); Lower casing (22); A connecting portion (23); Wherein, the upper shell (21) and the lower shell (22) form a whole through the connecting part (23).

3. A rubber sealing ring according to claim 2, characterized in that: The inner core (1) comprises: A plurality of arc blocks are cooperatively arranged in a cavity (3) to form an inner core (1).

4. A rubber sealing ring according to claim 3, characterized in that include: A side band (5), the side band (5) is arranged on the edge of the outer shell, and a flange (51) is arranged on the inner end surface of the side band (5), and the flange (51) is fitted into the connecting gap (4).

5. A rubber sealing ring according to claim 4, characterized in that include: A protrusion (6), wherein the protrusion (6) is arranged on the flange (51).

6. A rubber sealing ring according to claim 5, characterized in that: The outer end surface of the connecting portion (23) is concave to form a curved surface (7).

7. A rubber sealing ring according to claim 6, characterized in that include: An elastic steel ring (8), wherein the elastic steel ring (8) is arranged on the cambered surface (7).

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