Sealing ring structure of engine
The sealing ring, with its multi-layer structure and threaded connection design, solves the aging problem of the sealing ring under high-temperature environments, enhances the strength and ease of cleaning, and achieves efficient sealing and cleaning results.
Patent Information
- Application Number
- CN202520401023.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-03-10
AI Technical Summary
Traditional engine seals are prone to aging in high-temperature environments, leading to detachment, poor sealing performance, and inconvenience in cleaning.
A multi-layer sealing ring was designed, including a first sealing ring, a second sealing ring, reinforcing ribs, a fluororubber ring, a silicone rubber ring, and a rubber sleeve. It has a built-in nozzle and a cleaning ring, and achieves enhanced strength and convenient cleaning through threaded connection.
It improves the strength and convenience of the sealing ring, enhances the sealing effect, and simplifies the process of cleaning foreign objects.
Smart Images

Figure CN223754173U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of sealing ring, especially, relate to an engine sealing ring structure. BACKGROUND
[0002] The engine sealing ring is an elastic sealing element for the key position in the engine, which fills the gap between the components through physical deformation, prevents the leakage of lubricating oil, the leakage of cooling liquid or the invasion of external pollutants, and ensures the efficient and stable operation of the engine. The material resistance, structure adaptability and standard maintenance directly affect the performance and service life of the engine, and the matching type needs to be selected according to the working condition.
[0003] The engine sealing ring structure on the market has the following problems in application:
[0004] 1. In actual use, the traditional engine sealing ring structure is prone to aging under long-term high-temperature environment, which leads to falling off and poor sealing effect. Since there is no structure to improve the strength of the sealing ring body, the strength of the sealing ring body is weak in use.
[0005] 2. In application, most engine sealing ring structures often need to be maintained regularly by the staff, and the external foreign matters need to be cleaned in time by means of cleaning structure. Since there is no structure to clean foreign matters, it is inconvenient to clean in application. UTILITY MODEL CONTENTS
[0006] The utility model aims at providing an engine sealing ring structure to solve the technical problems in the background art.
[0007] In order to achieve the above-mentioned purpose, the specific technical scheme of the utility model is as follows: an engine sealing ring structure, comprising a first layer sealing ring, the inside of the first layer sealing ring is provided with a second layer sealing ring, the inside of the second layer sealing ring is provided with a reinforcing rib, the outside of the second layer sealing ring is sleeved with a fluorine rubber ring, the side surface of the fluorine rubber ring is provided with a silicon rubber ring, the fluorine rubber ring and the silicon rubber ring are in annular distribution form, and the inside of the second layer sealing ring is inlaid with the reinforcing rib.
[0008] Preferably, the outside of the first layer sealing ring is provided with a rubber sleeve and a rubber tube, the inside of the rubber sleeve is inlaid with a cleaning ring, the inner side of the rubber tube is provided with a spray head, the top of the rubber tube is provided with a feeding port, and the inside of the feeding port is provided with a sealing plug.
[0009] Preferably, the side surface of the rubber sleeve is provided with a second threaded rod, and the side surface of the rubber tube is provided with a first threaded rod.
[0010] Preferably, the outside of the first threaded rod is screw-connected with a first threaded sleeve, and the side surface of the first sleeve is provided with a connecting rod.
[0011] Preferably, the side of the connecting rod is provided with a second threaded sleeve, and the second threaded sleeve is threadedly connected with a second threaded rod.
[0012] Preferably, the top of the sealing plug is provided with a pull rod, and the number of the spray heads is three.
[0013] The engine sealing ring structure has the following advantages:
[0014] 1. The engine sealing ring structure has the following advantages: the second layer sealing ring is arranged in the first layer sealing ring, the fluorine rubber ring and the silicon rubber ring are arranged outside the second layer sealing ring, and the reinforcing rib is arranged in the second layer sealing ring, so that the strength of the sealing ring structure is improved.
[0015] 2. The engine sealing ring structure has the following advantages: the rubber tube and the rubber sleeve are arranged outside the first layer sealing ring, the cleaning ring is arranged in the rubber sleeve, and the spray head is arranged in the rubber tube, so that the sealing ring structure can be cleaned. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor.
[0017] Figure 1 It is a schematic diagram of the overall structure of the present application;
[0018] Figure 2 It is a schematic diagram of the fluorine rubber ring structure of the present application;
[0019] Figure 3 It is a schematic diagram of the reinforcing rib structure of the present application;
[0020] Figure 4 It is a schematic diagram of the connecting rod structure of the present application;
[0021] Figure 5 It is a schematic diagram of the first threaded rod structure of the present application;
[0022] Figure 6 The utility model discloses a nozzle structure schematic diagram.
[0023] Marked explanation in drawing: 1, first layer sealing ring;2, reinforcing rib;3, fluorine rubber ring;4, silicone rubber ring;5, link rod;6, first threaded sleeve;7, first threaded rod;8, rubber cover;9, cleaning ring;10, rubber pipe;11, feed inlet;12, sealing plug;13, pull rod;14, nozzle;15, second layer sealing ring;16, second threaded sleeve;17, second threaded rod. DETAILED DESCRIPTION
[0024] Hereinafter, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the embodiments of the utility model. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.
[0025] In the description of the embodiments of the utility model, it needs to be understood that the orientation or positional relationship indicated by the terms "length", "vertical", "horizontal", "top", "bottom" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the embodiments of the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the embodiments of the utility model.
[0026] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.
[0027] In the embodiments of the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or can be integrated;Can be mechanical connection, can also be electrical connection, can also be communication;Can be directly connected, or indirectly connected through an intermediate medium, can be the communication or interaction relationship between two elements inside two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the utility model can be understood according to the specific circumstances.
[0028] The following disclosure provides many different implementations or examples for different structures of the embodiments of the present invention. To simplify the disclosure of the embodiments of the present invention, specific examples of components and arrangements are described below. Of course, these are merely examples and are not intended to limit the embodiments of the present invention. Furthermore, reference numerals and / or reference letters may be repeated in different examples of the embodiments of the present invention; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various implementations and / or arrangements discussed.
[0029] To better understand the purpose, structure, and function of this utility model, the following description, in conjunction with the accompanying drawings, provides a more detailed account of an engine sealing ring structure according to this utility model.
[0030] like Figures 1-6 As shown, the present invention discloses an engine sealing ring structure, including a first sealing ring 1, with a second sealing ring 15 inside the first sealing ring 1. Due to the presence of the first and second sealing rings 15, the overall compressive strength is enhanced by superimposing and dispersing the pressure. The second sealing ring 15 has a reinforcing rib 2 inside, and a fluororubber ring 3 is sleeved on the outside of the second sealing ring 15. A silicone rubber ring 4 is provided on the side of the fluororubber ring 3, and the fluororubber ring 3 and silicone rubber ring 4 are arranged in a ring shape. The reinforcing rib 2 is embedded inside the second sealing ring 15. By installing the second sealing ring 15 inside the first sealing ring 1, and by providing the fluororubber ring 3 and silicone rubber ring 4 on the outside of the second sealing ring 15, and by installing the reinforcing rib 2 inside the second sealing ring 15, the structure that improves strength is installed both inside and outside the sealing ring, resulting in a strong seal during use.
[0031] The first sealing ring 1 has a rubber sleeve 8 and a rubber tube 10 on its outside. A cleaning ring 9 is embedded inside the rubber sleeve 8. A nozzle 14 is provided on the inside of the rubber tube 10. An inlet 11 is provided at the top of the rubber tube 10. A sealing plug 12 is installed inside the inlet 11. By setting the rubber tube 10 and rubber sleeve 8 on the outside of the first sealing ring 1, and installing the cleaning ring 9 inside the rubber sleeve 8 and the nozzle 14 inside the rubber tube 10, the rubber tube 10 and rubber sleeve 8 are initially fitted onto the outside of the first sealing ring 1. Water is then injected into the inside of the rubber tube 10. By rotating the cleaning structure, the water inside the nozzle 14 will flow to the outside of the first sealing ring 1. The operator can then rotate the cleaning ring 9 inside the rubber sleeve 8.
[0032] The side of the rubber sleeve 8 is provided with a second threaded rod 17, and the side of the rubber tube 10 is provided with a first threaded rod 7. Because of the first threaded rod 7 and the second threaded rod 17, it is convenient to connect the threaded rod structure and the connecting rod 5 structure.
[0033] The outer thread of the first threaded rod 7 is connected with the first threaded sleeve 6, and the side of the first threaded sleeve 6 is provided with the connecting rod 5. Since the first threaded sleeve 6 is arranged, the connecting rod 5 is conveniently connected with the first threaded rod 7.
[0034] The side of the connecting rod 5 is provided with the second threaded sleeve 16, and the second threaded sleeve 16 is threadedly connected with the second threaded rod 17. Since the second threaded sleeve is arranged, the connecting rod 5 is conveniently threadedly connected with the rubber sleeve 8.
[0035] The top of the sealing plug 12 is provided with the pull rod 13, and the number of the spray head 14 is three groups. Since the pull rod 13 is arranged, the sealing plug 12 is conveniently pulled by the staff, and water is injected into the rubber tube 10.
[0036] The working principle of the engine sealing ring structure is as follows: in the application of the sealing ring, in order to improve the strength of the whole sealing ring structure, the strength-improving structure is arranged inside and outside the sealing ring, the second layer sealing ring 15 is arranged inside the first layer sealing ring 1, the fluorine rubber ring 3 and the silicon rubber ring 4 are arranged outside the second layer sealing ring 15, the reinforcing rib 2 is arranged inside the second layer sealing ring 15, the fluorine rubber and the silicon rubber have high elasticity and wear-resistant material, the molecular structure is compact, and the anti-deformation capacity of the sealing ring can be improved, the strength of the sealing ring is high during use because the strength-improving structure is arranged inside and outside the sealing ring, however, in order to improve the sealing property of the sealing ring structure, the sealing ring structure needs to be maintained regularly, the molecular chain of the sealing ring material is broken, the sealing ring is hardened, cracked or elastic, and the sealing failure problem occurs when the sealing ring is in a high-temperature environment for a long time, therefore, the rubber tube 10 and the rubber sleeve 8 are arranged outside the first layer sealing ring 1, the second threaded rod 17 is arranged on the side of the rubber tube 10, the first threaded rod 7 is arranged on the side of the rubber tube 10, the cleaning ring 9 is arranged inside the rubber sleeve 8, the nozzle 14 is arranged inside the rubber tube 10, the rubber tube 10 and the rubber sleeve 8 are assembled, the connecting rod 5 is taken out, the first threaded sleeve 6 on the side of the first threaded rod 7 and the connecting rod 5 is screwed, the rubber tube 10 is arranged, the second threaded sleeve 16 on the side of the second threaded rod 17 and the connecting rod 5 is screwed, the rubber sleeve 8 and the connecting rod 5 are assembled, the rubber tube 10 and the rubber sleeve 8 are arranged outside the first layer sealing ring 1, water is injected into the rubber tube 10, the sealing plug 12 is arranged inside the feeding port 11, the cleaning structure is rotated, the water in the nozzle 14 flows outside the first layer sealing ring 1, the cleaning ring 9 in the rubber sleeve 8 is rotated, foreign matters outside the sealing ring structure are cleaned, and finally, the rubber sleeve 8 and the rubber tube 10 are taken out from the sealing ring structure.
[0037] It can be understood that the utility model is described through some embodiments, and the person skilled in the art knows that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed here, and all embodiments falling within the scope of the claims of the application belong to the range protected by the utility model.
Claims
1. An engine seal ring structure comprising a first layer of seal ring (1), characterized by: The inside of the first layer sealing ring (1) is provided with a second layer sealing ring (15), the inside of the second layer sealing ring (15) is provided with a reinforcing rib (2), the outside of the second layer sealing ring (15) is sleeved with a fluorine rubber ring (3), the side of the fluorine rubber ring (3) is provided with a silicon rubber ring (4), the fluorine rubber ring (3) and the silicon rubber ring (4) are in annular distribution form, and the inside of the second layer sealing ring (15) is inlaid with the reinforcing rib (2).
2. The engine seal ring structure of claim 1, wherein: The outside of the first layer sealing ring (1) is provided with a rubber sleeve (8) and a rubber tube (10), the inside of the rubber sleeve (8) is inlaid with a cleaning ring (9), the inner side of the rubber tube (10) is provided with a spray head (14), the top of the rubber tube (10) is provided with a feeding port (11), and the inside of the feeding port (11) is mounted with a sealing plug (12).
3. The engine seal ring structure of claim 2, wherein: The side of the rubber sleeve (8) is provided with a second threaded rod (17), and the side of the rubber tube (10) is provided with a first threaded rod (7).
4. The engine seal ring structure of claim 3, wherein: The outside of the first threaded rod (7) is threadedly connected with a first threaded sleeve (6), and the side of the first threaded sleeve (6) is provided with a connecting rod (5).
5. The engine seal ring structure of claim 4, wherein: The side of the connecting rod (5) is provided with a second threaded sleeve (16), and the second threaded sleeve (16) is threadedly connected with a second threaded rod (17).
6. The engine seal ring structure of claim 2, wherein: The top of the sealing plug (12) is mounted with a pull rod (13), and the number of the spray head (14) is three.