Split type sealing ring

Abstract

The utility model relates to a split type sealing ring which comprises two identical sector-ring-shaped rubber sealing ring blocks, the head end of each rubber sealing ring block is provided with a protruding upper connecting block and a protruding lower buckling block, the head end of each upper connecting block is provided with a protruding upper buckling block, and the tail end of each rubber sealing ring block is provided with a concave upper buckling groove and a protruding lower connecting block. The tail end of the lower connecting block is provided with a concave lower catching groove; when the two rubber sealing ring blocks are spliced, the upper connecting block on one rubber sealing ring block is overlapped with the lower connecting block on the other rubber sealing ring block, and the upper buckling block on one rubber sealing ring block is clamped into the upper buckling groove in the other rubber sealing ring block. And the lower buckling block on one rubber sealing ring block is clamped into the lower buckling groove on the other rubber sealing ring block. The split type sealing ring has the beneficial effects that the two identical rubber sealing ring blocks are spliced to form the split type sealing ring, so that the sealing ring is convenient to replace.

Description

Technical Field

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

[0002] Traditional sealing rings are usually U-shaped or O-shaped integrated sealing rings, which form an effective seal between two contacting parts to prevent the leakage of liquid, gas or solid particles, prevent the intrusion of external dust, moisture and other impurities, and ensure the normal operation of mechanical equipment.

[0003] Traditional sealing rings have an integrated structure and have a good sealing effect. However, when they are worn, all parts that hinder the removal of the sealing ring need to be removed before they can be replaced. The operation process is complicated and the replacement workload is large. Utility Model Content

[0004] The purpose of the utility model is to overcome the above problems existing in the prior art and provide a split sealing ring.

[0005] In order to achieve the above technical objectives and the above technical effects, the present invention is implemented through the following technical solutions:

[0006] A split sealing ring comprises two completely identical fan-shaped rubber sealing ring blocks, wherein the head end of the rubber sealing ring block is provided with a protruding upper connecting block and a lower buckle block, the head end of the upper connecting block is provided with a protruding upper buckle block, the tail end of the rubber sealing ring block is provided with a concave upper buckle groove and a protruding lower connecting block, and the tail end of the lower connecting block is provided with a concave lower buckle groove; when the two rubber sealing ring blocks are spliced, the upper connecting block on one of the rubber sealing ring blocks overlaps with the lower connecting block on the other rubber sealing ring block, the upper buckle block on one of the rubber sealing ring blocks is inserted into the upper buckle groove on the other rubber sealing ring block, and the lower buckle block on one of the rubber sealing ring blocks is inserted into the lower buckle groove on the other rubber sealing ring block.

[0007] Among them, the bottom end of the upper connecting block is provided with two arc-shaped strip grooves, and the top end of the lower connecting block is provided with two arc-shaped strip clamping strips, and the strip clamping strip on one rubber sealing ring block is clamped into the strip groove on the other rubber sealing ring block.

[0008] Wherein, a protruding upper flange and a lower flange are arranged on the inner side of the rubber sealing ring block, and the cross sections of the upper flange and the lower flange are both right-angled triangles.

[0009] Wherein, the top and bottom ends of the rubber sealing ring block are respectively provided with a plurality of evenly distributed weight-reducing grooves.

[0010] Furthermore, a limiting block protruding outward is arranged on the outer side wall of the rubber sealing ring block.

[0011] The beneficial effects of the utility model are as follows: two completely identical rubber sealing ring blocks are spliced ​​to form a split sealing ring, which is convenient for replacing the sealing ring; a splicing method in which the upper connecting block overlaps the lower connecting block is adopted, which is beneficial to ensuring the sealing at the splicing seam; a connection method in which the upper buckle block is engaged with the upper buckle groove and the lower buckle block is engaged with the lower buckle groove is adopted, which is beneficial to the stability of the connection between the two rubber sealing ring blocks. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the split sealing ring in the first embodiment of the utility model;

[0014] Figure 2 It is a schematic diagram of the three-dimensional structure of the rubber sealing ring block in the first embodiment of the utility model from a first viewing angle;

[0015] Figure 3 It is a schematic diagram of the three-dimensional structure of the rubber sealing ring block in the first embodiment of the utility model from a first viewing angle;

[0016] Figure 4 It is a three-dimensional structural schematic diagram of the split sealing ring in the second embodiment of the utility model;

[0017] Explanation of the numbers in the figure: rubber sealing ring block 1, upper connecting block 2, lower buckle block 3, upper buckle block 4, upper buckle groove 5, lower connecting block 6, lower buckle groove 7, strip card groove 8, strip card strip 9, upper flange 10, lower flange 11, weight reduction groove 12, limit block 13. DETAILED DESCRIPTION

[0018] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0019] like Figures 1 to 3The first embodiment shown is a split sealing ring, comprising two completely identical fan-shaped rubber sealing ring blocks 1, the head end of the rubber sealing ring block 1 is provided with a protruding upper connecting block 2 and a lower buckle block 3, the head end of the upper connecting block 2 is provided with a protruding upper buckle block 4, the tail end of the rubber sealing ring block 1 is provided with a concave upper buckle groove 5 and a protruding lower connecting block 6, and the tail end of the lower connecting block 6 is provided with a concave lower buckle groove 7; when the two rubber sealing ring blocks 1 are spliced, the upper connecting block 2 on one rubber sealing ring block 1 overlaps with the lower connecting block 6 on the other rubber sealing ring block 1, the upper buckle block 4 on one rubber sealing ring block 1 is inserted into the upper buckle groove 5 on the other rubber sealing ring block 1, and the lower buckle block 3 on one rubber sealing ring block 1 is inserted into the lower buckle groove 7 on the other rubber sealing ring block 1.

[0020] Two completely identical rubber sealing ring blocks 1 are spliced ​​to form a split sealing ring, which is convenient for replacing the sealing ring; the splicing method of overlapping the upper connecting block 2 and the lower connecting block 2 is beneficial to ensuring the sealing of the splicing seam; the connection method of the upper buckle block 4 and the upper buckle groove 5, and the lower buckle block 3 and the lower buckle groove 5 are adopted, which is beneficial to the stability of the connection between the two rubber sealing ring blocks 1.

[0021] Two arc-shaped strip grooves 8 are provided at the bottom end of the upper connecting block 2, and two arc-shaped strip clamping strips 9 are provided at the top end of the lower connecting block 6. The strip clamping strip 9 on one rubber sealing ring block 1 is inserted into the strip clamping groove 8 on the other rubber sealing ring block 1 to improve the sealing between the contact surfaces of the upper connecting block 2 and the lower connecting block 6.

[0022] The inner side of the rubber sealing ring block 1 is provided with a protruding upper flange 10 and a lower flange 11, and the cross-sections of the upper flange 10 and the lower flange 11 are both right-angled triangles. The elastic deformation of the upper flange 10 and the lower flange 11 and the tightness of the outer side of the round rod-shaped component sleeved in the split sealing ring are utilized to improve the sealing between the split sealing ring and the round rod-shaped component sleeved therein.

[0023] A plurality of evenly distributed weight-reducing grooves 12 are respectively provided at the top and bottom of the rubber sealing ring block 1 to reduce the weight of the rubber sealing ring block 1 .

[0024] like Figure 4 The difference between the second embodiment and the first embodiment is that a limit block 13 protruding outward is provided on the outer side wall of the rubber sealing ring block 1 to prevent the split sealing ring from rotating.

[0025] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A split sealing ring, characterized in that: It comprises two completely identical fan-shaped rubber sealing ring blocks, wherein the head end of the rubber sealing ring block is provided with a protruding upper connecting block and a lower buckle block, the head end of the upper connecting block is provided with a protruding upper buckle block, the tail end of the rubber sealing ring block is provided with a concave upper buckle groove and a protruding lower connecting block, and the tail end of the lower connecting block is provided with a concave lower buckle groove; when the two rubber sealing ring blocks are spliced, the upper connecting block on one rubber sealing ring block overlaps with the lower connecting block on the other rubber sealing ring block, the upper buckle block on one rubber sealing ring block is inserted into the upper buckle groove on the other rubber sealing ring block, and the lower buckle block on one rubber sealing ring block is inserted into the lower buckle groove on the other rubber sealing ring block.

2. The split sealing ring according to claim 1, characterized in that: The bottom end of the upper connecting block is provided with two arc-shaped strip grooves, and the top end of the lower connecting block is provided with two arc-shaped strip clamping strips. The strip clamping strip on one rubber sealing ring block is clamped into the strip clamping groove on the other rubber sealing ring block.

3. The split sealing ring according to claim 1, characterized in that: The inner side of the rubber sealing ring block is provided with a protruding upper flange and a lower flange, and the cross sections of the upper flange and the lower flange are both right-angled triangles.

4. The split sealing ring according to claim 1, characterized in that: The top and bottom ends of the rubber sealing ring block are respectively provided with a plurality of evenly distributed weight-reducing grooves.

5. The split sealing ring according to claim 1, characterized in that: The outer side wall of the rubber sealing ring block is provided with a limiting block protruding outward.

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