Splicing type rubber sealing ring

Abstract

The utility model discloses a splicing type rubber sealing ring which comprises a rubber body, a sealing gasket is arranged on the inner side of the rubber body, a plastic ring is arranged on the outer side of the rubber body, one end of the plastic ring is connected with a connecting belt, a connecting groove corresponding to the connecting belt is formed in the plastic ring, a self-locking head is arranged at one end of the connecting groove, and the self-locking head is connected with the rubber body. The upper side and the lower side of each rubber body are provided with expansion edges, the rubber bodies are semicircular, the rubber bodies are mutually spliced to form a sealing ring, the outer surface of the connecting belt is provided with a tooth surface, the self-locking head is provided with a tooth cavity corresponding to the tooth surface, and the connecting belt is slidably connected into the connecting groove. When the sealing ring needs to be used, the rubber body is connected with the self-locking head through the connecting belt to form the structure of the sealing ring, when the sealing ring is installed, equipment does not need to be disassembled, the sealing ring is directly spliced from the side edge, and the sealing ring is convenient to install and operate.

Description

Technical Field

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

[0002] Sealing rings are suitable for installation on various mechanical equipment, and they can seal at a specified temperature, pressure, and in different liquid and gas media, in a static or moving state. Various types of sealing elements are widely used in machine tools, ships, automobiles, aerospace equipment, metallurgical machinery, chemical machinery, engineering machinery, construction machinery, mining machinery, petroleum machinery, plastic machinery, agricultural machinery, and various instruments and meters.

[0003] In the prior art, the sealing ring is generally an integral structure and can only be installed by a sleeve method, which requires disassembly of the connection of the equipment in some cases. It is time-consuming and laborious to replace the sealing ring, and if part of the sealing ring is damaged, the entirety needs to be replaced, increasing the cost of use.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] In view of the problems in the related technology, the utility model proposes a spliced ​​rubber sealing ring to overcome the above technical problems existing in the existing related technology.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] A spliced ​​rubber sealing ring comprises a rubber body, a sealing pad is arranged on the inner side of the rubber body, a plastic ring is arranged on the outer side of the rubber body, a connecting belt is connected to one end of the plastic ring, a connecting groove corresponding to the connecting belt is arranged on the plastic ring, a self-locking head is arranged on one end of the connecting groove, and expansion edges are arranged on the upper and lower sides of the rubber body.

[0008] Preferably, the rubber body is arranged in a semicircular shape, and the rubber bodies are spliced ​​together to form a sealing ring.

[0009] Preferably, a tooth surface is provided on the outer surface of the connecting belt, and a tooth cavity corresponding to the tooth surface is provided on the self-locking head.

[0010] Preferably, the connecting belt is slidably connected in the connecting groove, and a drawing groove is dug at one end of the connecting belt.

[0011] Preferably, a limiting ring is arranged inside the extended edge, and the limiting ring is inserted into the inner cavity of the extended edge, and the limiting ring is made of a metal wire.

[0012] Preferably, buffer strips are evenly arranged on the inner wall of the sealing gasket, and anti-slip grooves are formed between the buffer strips.

[0013] The beneficial effects of the utility model are:

[0014] 1. By providing a connecting belt and a self-locking head, when a sealing ring is needed, the rubber body is connected through the connecting belt and the self-locking head to form a sealing ring structure. When installing the sealing ring, the sealing ring can be directly spliced ​​from the side without disassembling the equipment, which is convenient for the installation of the sealing ring and convenient for operation;

[0015] 2. By providing a rubber body, the sealing ring is spliced ​​by two identical rubber bodies. When a part of the sealing ring is damaged, the rubber body on one side can be cut, the sealing ring can be separated, and then a new rubber body can be replaced to replace the sealing ring, which can reduce the cost by half and improve the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of a spliced ​​rubber sealing ring according to an embodiment of the utility model;

[0018] Figure 2 It is a side view of a spliced ​​rubber sealing ring according to an embodiment of the utility model;

[0019] Figure 3 It is a rubber body structure diagram of a spliced ​​rubber sealing ring according to an embodiment of the utility model;

[0020] Figure 4 It is a schematic diagram of the inner structure of a spliced ​​rubber sealing ring according to an embodiment of the utility model.

[0021] In the figure:

[0022] 1. Rubber body; 2. Plastic ring; 3. Connecting belt; 4. Connecting groove; 5. Self-locking head; 6. Extended edge; 7. Tooth surface; 8. Pull groove; 9. Limiting ring; 10. Buffer strip; 11. Anti-slip groove; 12. Sealing pad. DETAILED DESCRIPTION

[0023] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0024] According to an embodiment of the utility model, a spliced ​​rubber sealing ring is provided.

[0025] Embodiment 1

[0026] like Figure 1-4 As shown, a spliced ​​rubber sealing ring according to an embodiment of the utility model comprises a rubber body 1, a sealing pad 12 is arranged on the inner side of the rubber body 1, a plastic ring 2 is arranged on the outer side of the rubber body 1, a connecting belt 3 is connected to one end of the plastic ring 2, a connecting groove 4 corresponding to the connecting belt 3 is arranged on the plastic ring 2, a self-locking head 5 is arranged at one end of the connecting groove 4, and expansion edges 6 are arranged on the upper and lower sides of the rubber body 1. The rubber body 1 is arranged in a semicircular shape. The rubber bodies 1 are spliced ​​with each other to form a sealing ring. When installing the sealing ring, the equipment does not need to be disassembled, and the sealing ring can be directly spliced ​​from the side, which is convenient for the installation of the sealing ring.

[0027] Embodiment 2

[0028] like Figure 1-4 As shown, a spliced ​​rubber sealing ring according to an embodiment of the utility model includes a rubber body 1, a sealing pad 12 is arranged on the inner side of the rubber body 1, a plastic ring 2 is arranged on the outer side of the rubber body 1, a connecting belt 3 is connected to one end of the plastic ring 2, a connecting groove 4 corresponding to the connecting belt 3 is arranged on the plastic ring 2, a self-locking head 5 is arranged at one end of the connecting groove 4, an expansion edge 6 is arranged on the upper and lower sides of the rubber body 1, a tooth surface 7 is arranged on the outer surface of the connecting belt 3, a tooth cavity corresponding to the tooth surface 7 is arranged on the self-locking head 5, the connecting belt 3 is slidably connected in the connecting groove 4, a pulling groove 8 is dug at one end of the connecting belt 3, and the connection method of the connecting belt 3 and the self-locking head 5 is similar to the use method of a cable tie, and the pulling groove 8 on the connecting belt 3 can facilitate pulling the connecting belt 3.

[0029] Embodiment 3

[0030] like Figure 1-4As shown, a spliced ​​rubber sealing ring according to an embodiment of the utility model comprises a rubber body 1, a sealing pad 12 is arranged on the inner side of the rubber body 1, a plastic ring 2 is arranged on the outer side of the rubber body 1, one end of the plastic ring 2 is connected to a connecting belt 3, a connecting groove 4 corresponding to the connecting belt 3 is arranged on the plastic ring 2, a self-locking head 5 is arranged at one end of the connecting groove 4, and an expansion edge 6 is arranged on the upper and lower sides of the rubber body 1, a limiting ring 9 is arranged in the expansion edge 6, and the limiting ring 9 is inserted in the inner cavity of the expansion edge 6, the limiting ring 9 is made of a metal wire support, and the limiting ring 9 plays a role in preventing the rubber body 1 from being deformed, and can make the two rubber bodies 1 tightly connected when splicing the rubber bodies 1, and buffer strips 10 are evenly arranged on the inner wall of the sealing pad 12, and anti-slip grooves 11 are formed between the buffer strips 10 to prevent the sealing ring from rotating and improve the sealing effect of the sealing ring.

[0031] In summary, with the aid of the above-mentioned technical scheme of the utility model, when the device is in use, the rubber body 1 is connected by the connecting belt 3 and the self-locking head 5. When connecting, the two rubber bodies 1 are aligned so that the connecting belt 3 at one end of the plastic ring 2 is inserted into the self-locking head 5 of the plastic ring 2 on the other rubber body 1. At the same time, the connecting belt 3 slides in the connecting groove 4 to limit the connecting belt 3. At the same time, the other end of the rubber body 1 is fixed to form a sealing ring structure. When installing the sealing ring, the equipment does not need to be disassembled, and the sealing ring can be directly spliced ​​from the side, which is convenient for the installation of the sealing ring and convenient for operation. When a part of the sealing ring is damaged, the rubber body 1 on one side can be cut to separate the sealing ring, and then a new rubber body 1 can be replaced to achieve the replacement of the sealing ring, which can reduce the cost by half and improve the practicality of the device.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A spliced ​​rubber sealing ring, comprising a rubber body (1), characterized in that: A sealing pad (12) is arranged on the inner side of the rubber body (1), a plastic ring (2) is arranged on the outer side of the rubber body (1), one end of the plastic ring (2) is connected to a connecting belt (3), a connecting groove (4) corresponding to the connecting belt (3) is arranged on the plastic ring (2), a self-locking head (5) is arranged at one end of the connecting groove (4), and expansion edges (6) are arranged on the upper and lower sides of the rubber body (1).

2. A spliced ​​rubber sealing ring according to claim 1, characterized in that: The rubber body (1) is arranged in a semicircular shape, and the rubber bodies (1) are spliced ​​together to form a sealing ring.

3. A spliced ​​rubber sealing ring according to claim 2, characterized in that: The outer surface of the connecting belt (3) is provided with a tooth surface (7), and the self-locking head (5) is provided with a tooth cavity corresponding to the tooth surface (7).

4. A spliced ​​rubber sealing ring according to claim 3, characterized in that: The connecting belt (3) is slidably connected in the connecting groove (4), and a drawing groove (8) is excavated at one end of the connecting belt (3).

5. A spliced ​​rubber sealing ring according to claim 4, characterized in that: A limiting ring (9) is arranged inside the expansion edge (6), and the limiting ring (9) is inserted into the inner cavity of the expansion edge (6), and the limiting ring (9) is made of a metal wire.

6. A spliced ​​rubber sealing ring according to claim 5, characterized in that: Buffer strips (10) are evenly arranged on the inner wall of the sealing pad (12), and anti-slip grooves (11) are formed between the buffer strips (10).

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