Sealing ring convenient to replace

Abstract

The utility model discloses a sealing ring convenient to replace, which comprises a first sealing ring and a second sealing ring which are mutually clamped, a first fracture is arranged on the first sealing ring in a penetrating manner, a second fracture is arranged on the second sealing ring in a penetrating manner, and a connecting part is arranged on one side, close to the second sealing ring, of the first sealing ring. The second sealing ring is provided with a connecting groove matched with the connecting part, one end of the first sealing ring and one end of the second sealing ring are each integrally provided with a concentric-square-shaped part and an inserting part, and the other end of the first sealing ring and the other end of the second sealing ring are provided with inserting grooves matched with the inserting parts. Due to the fact that the first fracture and the second fracture are arranged, when the sealing ring is disassembled, the sealing ring can be directly broken apart from the first fracture and the second fracture to be disassembled, parts on a shaft do not need to be disassembled, and therefore the sealing ring can be disassembled conveniently and rapidly. The replacement is very convenient, and the replacement efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of sealing ring, concretely to a sealing ring convenient to replace. BACKGROUND

[0002] The sealing ring is a kind of annular mechanical element for preventing fluid leakage, preventing external impurities from entering or maintaining system pressure, filling sealing interface clearance by elastic deformation, and realizing reliable sealing between mechanical components, and it is one of the most widely used sealing forms in industrial equipment, pipeline system, mechanical device and daily necessities.

[0003] The existing sealing ring is usually of one-piece structure, when it is installed on the shaft and needs to be replaced due to damage, the parts on the shaft that hinder the sealing ring need to be removed in order to replace the new sealing ring, and the operation steps are very cumbersome and the replacement efficiency is low. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of sealing ring convenient to replace to solve the problems presented in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of sealing ring convenient to replace, including the first sealing ring and the second sealing ring that mutually engage, first break is arranged on the first sealing ring, second break is arranged on the second sealing ring, the side of the first sealing ring close to the second sealing ring is equipped with connecting portion, the connecting groove that is matched with the connecting portion is formed in the second sealing ring, the first sealing ring and the second sealing ring one end are integrally formed with backshaped portion and spigot joint portion, the other end of the first sealing ring and the second sealing ring is equipped with the insertion slot matched with the spigot joint portion, the other end of the first sealing ring and the second sealing ring is also equipped with the backshaped groove matched with the backshaped portion, the inside of the spigot joint portion is equipped with support piece.

[0006] As a preferred scheme of the utility model, the two sides of the connecting portion away from the second sealing ring side are each equipped with first inclined plane.

[0007] As a preferred scheme of the utility model, one end of the spigot joint portion is equipped with shrinkage portion, and the edge of the insertion slot is equipped with third chamfer.

[0008] As a preferred scheme of the utility model, one side of the backshaped portion is equipped with second chamfer.

[0009] As a preferred scheme of the utility model, the cross section of the connecting portion and the connecting groove is T-shaped.

[0010] Compared with the prior art, the utility model discloses the beneficial effect is: the first break and the second break of utility model discloses make when dismantling the seal ring, can directly from the first break and the second break place and break open and dismantle it, need not dismantle the part on the axle, make the replacement is very convenient, and through setting first seal ring and second seal ring two seal rings, can play the double -sealed effect, still through the connecting portion and the connecting groove increase the contact area between first seal ring and second seal ring, and then greatly improve the sealing effect, simultaneously through the setting back -shaped portion and back -shaped groove improve the leak -proofness at the first break or the second break, prevent the first break or the second break place and appear the leakage condition. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the three -dimensional structure schematic diagram of the utility model;

[0012] Figure 2 It is the structure schematic diagram of first seal ring of the utility model;

[0013] Figure 3 It is the structure schematic diagram of second seal ring of the utility model;

[0014] Figure 4 It is the structure schematic diagram after breaking open of first seal ring of the utility model;

[0015] Figure 5 It is the structure schematic diagram after breaking open of second seal ring of the utility model;

[0016] Figure 6 It is the section view of second seal ring of the utility model;

[0017] Figure 7 It is the utility model Figure 6 The enlarged view of A place in.

[0018] In the drawing: 1, first seal ring;2, second seal ring;3, first break;4, second break;5, connecting portion;6, first inclined plane;7, connecting groove;8, back -shaped groove;9, insertion slot;10, plug -in portion;11, contraction portion;12, back -shaped portion;13, second chamfer;14, third chamfer;15, support piece. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the scope of the utility model.

[0020] Please refer toFigures 1 to 7 The utility model provides a kind of technical scheme: a kind of sealing ring convenient to replace, including mutually engaging first sealing ring 1 and second sealing ring 2, by being provided with first sealing ring 1 and second sealing ring 2 two sealing rings, can play the role of double sealing, improve sealing effect, the material quality of first sealing ring 1, second sealing ring 2, plug-in portion 10 and backshaped portion 12 is rubber, first sealing ring 1 is provided with first fracture 3, second sealing ring 2 is provided with second fracture 4, by being provided with first fracture 3 and second fracture 4 when first sealing ring 1 and second sealing ring 2 are disassembled, it can be directly from first fracture 3 and second fracture 4 and be broken open to disassemble, without disassembling the parts on shaft, so that it is very convenient to replace, first sealing ring 1 is provided with connecting portion 5 on the side close to second sealing ring 2, second sealing ring 2 is provided with connecting groove 7 matched with connecting portion 5, connecting portion 5 and connecting groove 7 not only can make first sealing ring 1 and second sealing ring 2 connect together, but also can increase the contact area between first sealing ring 1 and second sealing ring 2, to improve sealing effect, first sealing ring 1 and second sealing ring 2 one end are integrally formed with backshaped portion 12 and plug-in portion 10, and the other end of first sealing ring 1 and second sealing ring 2 is provided with the insertion slot 9 matched with the plug-in portion 10, and the insertion slot 9 is matched with the plug-in portion 10 to be used for connecting the two ends of first sealing ring 1 or second sealing ring 2, so that it is surrounded to be a circle respectively, to avoid first sealing ring 1 or second sealing ring 2 from first fracture 3 or second fracture 4 and break off, and the plug-in portion 10 is interference fit with the insertion slot 9, to further improve the reliability of connection, and the other end of first sealing ring 1 and second sealing ring 2 is also provided with the backshaped groove 8 matched with the backshaped portion 12, and the backshaped portion 12 is matched with the backshaped groove 8 to improve the sealing property at first fracture 3 or second fracture 4, to prevent leakage at first fracture 3 or second fracture 4, and the inside of plug-in portion 10 is provided with support 15, and the material of support 15 is plastic, and support 15 is used to support plug-in portion 10 to improve the strength of plug-in portion 10, so that plug-in portion 10 is more easily inserted into insertion slot 9.

[0021] Wherein, the two sides of the side of connecting portion 5 away from second sealing ring 2 are each provided with first inclined plane 6, and the first inclined plane 6 can guide second sealing ring 2, so that when second sealing ring 2 is tightly attached to first sealing ring 1, second sealing ring 2 is deformed under the extrusion of first inclined plane 6, so that second sealing ring 2 is sleeved on the outside of connecting portion 5.

[0022] Wherein, one end of plug-in portion 10 is provided with shrinkage portion 11, and the edge of insertion slot 9 is provided with third chamfer 14, and the third chamfer 14 and shrinkage portion 11 are provided to make plug-in portion 10 more easily inserted into insertion slot 9.

[0023] Wherein, one side of backshaped portion 12 is provided with second chamfer 13, and the second chamfer 13 makes backshaped portion 12 more easily aligned with backshaped groove 8 and inserted.

[0024] The connecting part 5 and the connecting groove 7 both have a T-shaped cross-section. The T-shape allows the connecting part 5 to fix the first sealing ring 1 and the second sealing ring 2 after entering the connecting groove 7, preventing the first sealing ring 1 and the second sealing ring 2 from separating.

[0025] Specifically, during installation, the first sealing ring 1 is pried open from the first break 3, and the second sealing ring 2 is pried open from the second break 4. Then, the first sealing ring 1 and the second sealing ring 2 are installed on the outside of the shaft, so that the connecting part 5 and the connecting groove 7 are on the adjacent side. Then, the insertion part 10 is inserted into the slot 9, and the U-shaped part 12 is inserted into the U-shaped groove 8. The two ends of the first sealing ring 1 and the second sealing ring 2 are connected so that they respectively form a circle. Then, the first sealing ring 1 and the second sealing ring 2 are pressed tightly together by hand. The first inclined surface 6 guides the second sealing ring 2. The second sealing ring 2 deforms under the pressure of the first inclined surface 6, so that the second sealing ring 2 is fitted on the outside of the connecting part 5, that is, the connecting part 5 is located inside the connecting groove 7. Finally, one of the sealing rings is rotated so that the first break 3 and the second break 4 are misaligned, and the installation is completed. When it is necessary to replace or disassemble the first sealing ring 1 and the second sealing ring 2 in the future, they can be pried open directly from the first break 3 and the second break 4 for disassembly without disassembling the parts on the shaft, making replacement very convenient.

[0026] In the description of this utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "side", "top", "inner", "front", "center", "both ends", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0027] Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first," "second," "third," or "fourth" may explicitly or implicitly include at least one of those features.

[0028] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A seal ring for ease of replacement, characterized by, The utility model relates to a sealing ring, which comprises a first sealing ring (1) and a second sealing ring (2) that are engaged with each other, a first break (3) is provided on the first sealing ring (1), a second break (4) is provided on the second sealing ring (2), a connecting part (5) is arranged on the side of the first sealing ring (1) close to the second sealing ring (2), a connecting groove (7) that matches the connecting part (5) is arranged on the second sealing ring (2), a backshaped part (12) and a plug-in part (10) are integrally formed at one end of the first sealing ring (1) and the second sealing ring (2), a plug-in groove (9) that matches the plug-in part (10) is arranged at the other end of the first sealing ring (1) and the second sealing ring (2), a backshaped groove (8) that matches the backshaped part (12) is further arranged at the other end of the first sealing ring (1) and the second sealing ring (2), and a supporting part (15) is arranged in the plug-in part (10).

2. The readily replaceable seal ring of claim 1, wherein: First inclined surfaces (6) are arranged on both sides of the side of the connecting part (5) away from the second sealing ring (2).

3. The readily replaceable seal ring of claim 1, wherein: A contracting part (11) is arranged at one end of the plug-in part (10), and a third chamfer (14) is arranged on the edge of the plug-in groove (9).

4. The easily replaceable seal ring of claim 1, wherein: A second chamfer (13) is arranged on one side of the backshaped part (12).

5. The readily replaceable seal ring of claim 1, wherein: The cross sections of the connecting part (5) and the connecting groove (7) are both T-shaped.

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