Combined sealing ring structure

Abstract

The utility model discloses a combined sealing ring structure which comprises a supporting framework, a sealing ring and a sealing ring. The splicing type sealing rings are arranged in an up-down splicing mode, the splicing type sealing rings wrap the supporting framework after being spliced and combined into a whole, and the supporting framework and the splicing type sealing rings are detachably connected in a clamping mode. The arrangement mode that the supporting framework and the splicing type sealing rings are matched is utilized, the two splicing type sealing rings wrap the supporting framework in the up-down splicing mode, supporting can be conveniently provided for the splicing type sealing rings through the supporting framework, the deformation degree of the sealing ring structure after being extruded is reduced, and the sealing performance of the sealing ring structure is improved. And meanwhile, through the up-down splicing type design of the splicing type sealing rings and the detachable connection between the splicing type sealing rings and the supporting framework, the two splicing type sealing rings are sequentially assembled to the supporting framework, and therefore the probability that the splicing type sealing rings are damaged when assembled can be reduced.

Description

Technical Field

[0001] This utility model relates to the field of sealing ring structures, and in particular to a combined sealing ring structure. Background Technology

[0002] In the field of mechanical seals, sealing rings are common sealing elements, widely used in hydraulic systems, pipeline connections, valve devices, and other applications to prevent fluid leakage or the intrusion of external contaminants. Traditional sealing rings are typically made of a single elastic material (such as rubber or polyurethane), relying on their own elastic deformation to achieve a sealing effect. However, this structure is prone to plastic deformation, wear, and even cracking under long-term high pressure or frequent compression, leading to decreased sealing performance and a shortened service life.

[0003] Currently, there are some improvement solutions on the market, such as adding a metal skeleton inside the sealing ring to improve support strength. However, many existing sealing rings and skeletons adopt a nested encapsulation structure design. When assembling the sealing ring and the skeleton, the sealing ring needs to be stretched to an excessively deformed state to increase its diameter before it can be assembled to the outside of the skeleton. This may cause damage or deformation to the sealing ring during the installation process. Utility Model Content

[0004] The purpose of this invention is to provide a combined sealing ring structure to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a combined sealing ring structure, comprising:

[0006] A supporting frame, wherein the supporting frame is arranged in a ring shape;

[0007] The spliced ​​sealing ring is arranged in an upper and lower spliced ​​configuration. After being assembled into a whole, the spliced ​​sealing ring is wrapped around the outside of the support frame, and the support frame and the spliced ​​sealing ring are connected in a detachable manner by snap-fit.

[0008] Preferably, the support frame includes:

[0009] The support ring body is arranged in a ring shape;

[0010] A limiting hook is connected to the inner edge of the support ring body, and the limiting hook is inclined in an inward-clipping manner.

[0011] Preferably, the interior of the support ring body has multiple snap-fit ​​slots arranged in a ring array, and the top and bottom of each snap-fit ​​slot have through slots.

[0012] Preferably, the spliced ​​sealing ring includes:

[0013] The sealing ring body is generally annular, and the cross-section of the sealing ring body is L-shaped. The sealing ring bodies are symmetrically arranged to cover the supporting skeleton.

[0014] The snap-fit ​​structure is fixedly installed on the inner side of the sealing ring body, and after passing through the through slot, the snap-fit ​​structure is engaged with the inner cavity of the snap-fit ​​groove, and the snap-fit ​​structure is arranged in a ring array.

[0015] Preferably, the spliced ​​sealing ring further includes:

[0016] The hook-shaped edging is located on the inner side of the sealing ring body, and the hook-shaped edging is engaged with the limiting hook ring.

[0017] Preferably, the spliced ​​sealing ring further includes:

[0018] The splicing part is disposed at the connection between the sealing ring bodies, and the splicing parts are arranged in an alternating manner.

[0019] Preferably, the snap-fit ​​structure includes:

[0020] An insert post is fixedly installed on the inner side of the sealing ring body, and the insert post cooperates with the inner cavity of the slot.

[0021] A snap-fit ​​head, wherein the snap-fit ​​head is connected to one end of the insert post;

[0022] The buckle arm is connected to both sides of the buckle head, and both the buckle head and the buckle arm are made of elastic material.

[0023] The technical effects and advantages of this utility model are as follows:

[0024] This invention utilizes a combination of a support frame and interlocking sealing rings. By having two interlocking sealing rings attached vertically to the outside of the support frame, the support frame can easily provide support for the interlocking sealing rings, reducing the degree of deformation after the sealing ring structure is compressed, thus making the sealing ring structure more stable. Furthermore, the vertically interlocking design of the interlocking sealing rings and their detachable connection to the support frame allow for sequential assembly of the two interlocking sealing rings onto the support frame without requiring excessive deformation of the sealing rings. This reduces the probability of damage during assembly of the interlocking sealing rings. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0026] Figure 2This is a schematic diagram of the overall internal structure of this utility model.

[0027] Figure 3 This is a schematic diagram of the internal structure of this utility model.

[0028] Figure 4 This is a schematic diagram of the snap-fit ​​structure of this utility model.

[0029] In the diagram: 1. Support frame; 11. Support ring body; 12. Limiting hook ring; 101. Snap-fit ​​groove; 2. Spliced ​​sealing ring; 21. Sealing ring body; 22. Snap-fit ​​structure; 221. Inserting post; 222. Snap-fit ​​head; 223. Snap-fit ​​arm; 23. Hook-shaped edging; 24. Splicing part. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] This utility model provides, for example Figure 1-4 The illustrated combined sealing ring structure includes: a support frame 1, which is arranged in a ring shape; and a spliced ​​sealing ring 2, which is spliced ​​vertically. The spliced ​​sealing rings 2 are assembled into a whole and wrapped around the outside of the support frame 1. The support frame 1 and the spliced ​​sealing rings 2 are connected in a detachable manner by snap-fit. By splicing the two spliced ​​sealing rings 2 vertically around the outside of the support frame 1, the support frame 1 can easily support the spliced ​​sealing rings 2, reducing the degree of deformation after the sealing ring structure is compressed, making the sealing ring structure more stable. At the same time, the spliced ​​design of the spliced ​​sealing rings 2 and the detachable connection between them and the support frame 1 allow the two spliced ​​sealing rings 2 to be assembled onto the support frame 1 sequentially without stretching the spliced ​​sealing rings 2 to an excessively deformed state. This reduces the probability of damage during the assembly of the spliced ​​sealing rings 2.

[0032] The support frame 1 includes: a support ring body 11, which is arranged in a ring shape; and a limiting hook 12, which is connected to the inner edge of the support ring body 11 and is inclined inward. The support ring body 11 has multiple snap-fit ​​grooves 101 arranged in a ring array inside. The top and bottom of each snap-fit ​​groove 101 have through slots. The support ring body 11 provides support for the spliced ​​sealing ring 2, enhancing its stability. The limiting hook 12 hooks the hook-shaped edge 23, and the snap-fit ​​grooves 101 limit the position of the snap-fit ​​structure 22, thus forming a snap-fit ​​connection between the support frame 1 and the spliced ​​sealing ring 2.

[0033] The spliced ​​sealing ring 2 includes: a sealing ring body 21, which is annular in shape and has an L-shaped cross-section. The sealing ring body 21 is symmetrically arranged to cover the support frame 1; and a snap-fit ​​structure 22, which is fixedly installed on the inner side of the sealing ring body 21. The snap-fit ​​structure 22 passes through the through slot and engages with the inner cavity of the snap-fit ​​groove 101. The snap-fit ​​structure 22 is arranged in a circular array. The spliced ​​sealing ring 2 also includes: a hook-shaped edging 23, which is disposed on the inner side of the sealing ring body 21 and engages with the limiting hook ring 12. The splicing sealing ring 2 also includes a splicing part 24, which is disposed at the connection between the sealing ring bodies 21. The splicing parts 24 are staggered and interwoven, and there is a gap between the staggered and interwoven parts. When the splicing sealing ring 2 is compressed, it is convenient to provide deformation space for the deformation of the splicing sealing ring 2. Through the staggered interwoven parts 24, the splicing between the splicing sealing rings 2 is more stable. The hook-shaped edge 23 is fastened to the inner side of the limiting hook ring 12, which facilitates the limiting edge edging of the relative position between the support frame 1 and the splicing sealing ring 2, making the fit between the support frame 1 and the splicing sealing ring 2 more stable.

[0034] Specifically, the snap-fit ​​structure 22 includes: an insertion post 221, which is fixedly installed on the inner side of the sealing ring body 21 and cooperates with the inner cavity of the insertion slot; a snap-fit ​​head 222, which is connected to one end of the insertion post 221; and a snap-fit ​​arm 223, which is connected to both sides of the snap-fit ​​head 222. Both the snap-fit ​​head 222 and the snap-fit ​​arm 223 are made of elastic material. Under the compression of the insertion slot, the snap-fit ​​arm 223 closes inward, so that the snap-fit ​​head 222 can pass through the inner cavity of the insertion slot and snap into the inside of the snap-fit ​​groove 101. This allows the snap-fit ​​arm 223 to open outward and abut against the end of the inner cavity of the snap-fit ​​groove 101, thereby snapping the snap-fit ​​arm 223 into the inside of the snap-fit ​​groove 101, which facilitates the limiting of the relative position between the support frame 1 and the spliced ​​sealing ring 2.

[0035] Finally, it should be noted that the above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A combined sealing ring structure, characterized in that, include: A supporting frame (1) is arranged in a ring shape; The splicing sealing ring (2) is arranged in an upper and lower splicing manner. After the splicing sealing ring (2) is assembled into a whole, it is wrapped around the outside of the support frame (1). The support frame (1) and the splicing sealing ring (2) are connected in a detachable manner by snap-fit.

2. The combined sealing ring structure according to claim 1, characterized in that, The supporting frame (1) includes: The support ring body (11) is arranged in a ring shape; A limiting hook (12) is connected to the inner edge of the support ring body (11), and the limiting hook (12) is inclined in an inward-clipping manner.

3. The combined sealing ring structure according to claim 2, characterized in that, The support ring body (11) has multiple snap-fit ​​slots (101) arranged in a ring array inside, and the top and bottom of the snap-fit ​​slots (101) are provided with through slots.

4. The combined sealing ring structure according to claim 1, characterized in that, The spliced ​​sealing ring (2) includes: The sealing ring body (21) is annular in shape and has an L-shaped cross section. The sealing ring body (21) is symmetrically arranged to cover the support frame (1). The snap-fit ​​structure (22) is fixedly installed on the inner side of the sealing ring body (21), and the snap-fit ​​structure (22) passes through the through slot and engages with the inner cavity of the snap-fit ​​groove (101), and the snap-fit ​​structure (22) is arranged in a ring array.

5. The combined sealing ring structure according to claim 4, characterized in that, The spliced ​​sealing ring (2) also includes: Hook-shaped edging (23) is provided on the inner side of the sealing ring body (21), and the hook-shaped edging (23) is engaged with the limiting hook ring (12).

6. The combined sealing ring structure according to claim 4, characterized in that, The spliced ​​sealing ring (2) also includes: The splicing part (24) is disposed at the connection between the sealing ring bodies (21), and the splicing parts (24) are interleaved.

7. The combined sealing ring structure according to claim 4, characterized in that, The snap-fit ​​structure (22) includes: The insertion post (221) is fixedly installed on the inner side of the sealing ring body (21), and the insertion post (221) cooperates with the inner cavity of the insertion slot; A snap-fit ​​head (222) is connected to one end of the insertion post (221); The buckle arm (223) is connected to both sides of the buckle head (222), and both the buckle head (222) and the buckle arm (223) are made of elastic material.

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