A sealing ring for a gearbox sealing cover

Abstract

This utility model discloses a sealing ring for a speed reducer sealing cover, relating to the technical field of speed reducers. The utility model includes a sealing cover body, a fixing ring, and a sealing assembly. A fixing ring is fixed to the bottom end of the sealing cover body, and a sealing assembly is movably connected within the fixing ring. A sealing disc is fixed to the inner ring of the fixing ring and is fixed to the bottom end of the sealing cover body. A movable groove is formed at the bottom end of the fixing ring, and an fitting groove is formed within the fixing ring above the movable groove. This utility model, by setting up a sealing cover body, a fixing ring, and a sealing assembly, solves the problems of insufficient sealing effect and inconvenient replacement after oxidation when using a single sealing ring in a speed reducer sealing cover. The advantages of this speed reducer sealing cover sealing ring are: using multiple sealing rings results in better sealing effect, and replacement after oxidation is more convenient.

Description

Technical Field

[0001] This utility model belongs to the technical field of speed reducers, and in particular relates to a sealing ring for a speed reducer sealing cover. Background Technology

[0002] The reducer sealing cover is a key component installed at the input shaft, output shaft ends, and observation holes of the reducer housing. Its core function is sealing and protection. It effectively prevents internal lubricant leakage, avoiding gear and bearing wear caused by oil loss. Simultaneously, it blocks external dust, moisture, and contaminants from entering, ensuring the cleanliness of the reducer's interior and extending the equipment's service life. During installation, a sealing ring is used to ensure a tight seal between the reducer and the sealing cover. However, the sealing ring of the reducer sealing cover still has the following drawbacks in actual use:

[0003] During operation, the sealing ring of the reducer sealing cover is directly installed using the installation equipment. During installation, a single sealing ring is used for sealing, which can result in insufficient sealing effect and affect the overall sealing effect of the sealing cover.

[0004] Secondly, the sealing ring of the reducer sealing cover is usually fastened to the corresponding sealing cover during operation. As operation progresses, the sealing ring is easily oxidized and fails during operation, making replacement inconvenient. Utility Model Content

[0005] The purpose of this utility model is to provide a sealing ring for a reducer sealing cover. By setting a sealing cover body, a fixing ring and a sealing component, it solves the problems that the sealing effect of a single sealing ring in a reducer sealing cover is not good enough and that it is not convenient to replace the sealing ring after oxidation.

[0006] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0007] This utility model relates to a sealing ring for a speed reducer sealing cover, comprising a sealing cover body, a fixing ring, and a sealing assembly. The bottom end of the sealing cover body is fixed with a fixing ring, and the sealing assembly is movably connected within the fixing ring. A sealing disc is fixed to the inner ring of the fixing ring, and the sealing disc is fixed to the bottom end of the sealing cover body. A movable groove is formed at the bottom end of the fixing ring, and a fitting groove is formed within the fixing ring above the movable groove. The sealing cover body has a fixing ring at the bottom, and the sealing assembly is movably connected within the fixing ring. The inner ring of the fixing ring has a sealing disc, which is fixedly connected to the bottom end of the sealing cover body. The fixed ring has a movable groove at the bottom and a fitting groove at the top for installing the sealing assembly.

[0008] Furthermore, the sealing cover body has mounting ears fixed in a ring array around its periphery, and each mounting ear has a vertical through-hole. The sealing cover body has multiple mounting ears arranged in a ring array around its periphery, and each mounting ear has a mounting hole for mounting the sealing cover body to the reducer by bolts.

[0009] Furthermore, a second sealing disk is fixed to the outer edge of the bottom end of the first sealing disk, a guide ring is fixed to the inner ring of the second sealing disk, the top end of the guide ring is fixed to the first sealing disk, a shaft seal is fixed through the center of the main body of the sealing cover, the second sealing disk is fixed to the outer edge of the bottom end of the first sealing disk, a guide ring is connected to the inner ring of the second sealing disk, and the top end of the guide ring is fixed to the first sealing disk, together pressing the reducer to achieve sealing.

[0010] Furthermore, the sealing assembly includes a receiving ring and a movable ring, the movable groove and the fitting groove are interconnected, the receiving ring is movably connected in the fitting groove, and the movable ring is movably connected in the movable groove. The sealing assembly includes a receiving ring and a movable ring, the receiving ring is movably installed in the fitting groove, and the movable ring is located in the movable groove, together forming a detachable sealing structure.

[0011] Furthermore, a movable ring is fixed to the bottom end of the receiving ring, the movable ring extends out of the movable groove, the bottom end of the movable ring is set at the bottom end of the fixed ring, the bottom end of the receiving ring is fixedly connected to the movable ring, the movable ring extends out of the movable groove and is located below the fixed ring, for arranging the sealing strip.

[0012] Furthermore, the sealing assembly also includes sealing strips. Sealing strips are fixed to the lower parts of both the inner and outer rings of the movable ring. Inclined sealing strips are fixed to the lower parts of both the inner and outer rings of the movable ring to further seal the gap between the reducer and the sealing cover body, and can be replaced to maintain the sealing effect.

[0013] This utility model has the following beneficial effects:

[0014] This invention solves the problem of insufficient sealing effect when using a single sealing ring for the reducer sealing cover by setting up a sealing cover body, a fixing ring, and a sealing assembly. After aligning the sealing cover body with the reducer and the mounting ears on the sealing cover body with the reducer, the installation bolts are inserted into the mounting holes of the mounting ears. During installation, the gap between the sealing cover body and the reducer is sealed by the cooperation of the fixing ring, the sealing disc, the upper sealing disc, and the guide ring. This allows the sealing ring of the reducer sealing cover to provide multiple seals, resulting in a better sealing effect.

[0015] This invention solves the problem of inconvenient replacement of the seal ring after oxidation of the reducer sealing cover by setting a fixed ring and a sealing assembly. Before installing the sealing cover body, the outer surface of the sealing cover body is first placed downwards. Then, a sealing assembly is prepared, and the receiving ring is inserted into the movable groove at the bottom of the fixed ring, and then squeezed into the fitting groove. The movable ring is also inserted into the movable groove. Two sealing strips are set at the bottom of the fixed ring. When installing the sealing cover body, the sealing strips and the movable ring further seal the gap between the sealing cover body and the reducer. After the sealing strips age, by pulling the receiving ring, the movable ring, and the sealing strips, a new sealing assembly is selected and the above installation work is repeated to complete the work. The installation of the sealing assembly is more convenient, making it easier to replace the seal ring of the reducer sealing cover after oxidation. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 A three-dimensional view of the sealing ring assembly structure of a speed reducer sealing cover;

[0018] Figure 2 A bottom-view perspective of the sealing cap's main structure;

[0019] Figure 3 A bottom-view perspective of the structure after the fixing ring is cut open;

[0020] Figure 4 for Figure 3 Enlarged view of the structure at point A in the image;

[0021] Figure 5 A bottom-view perspective view of the cut-out structure of the sealing assembly.

[0022] Figure 6 for Figure 5 Enlarged view of the structure at point B in the image.

[0023] Figure label:

[0024] 1. Sealing cover body; 101. Mounting ear; 102. Mounting hole; 103. Shaft seal; 2. Retaining ring; 201. Fitting groove; 202. Movable groove; 203. Sealing disc one; 204. Sealing disc two; 205. Guide ring; 3. Sealing assembly; 301. Receiving ring; 302. Movable ring; 303. Sealing strip. Detailed Implementation

[0025] 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 skilled in the art without creative effort are within the protection scope of the present utility model. Specific Implementation Example 1

[0026] Please see Figure 1-4 This utility model is a sealing ring for a speed reducer sealing cover, including a sealing cover body 1, a fixing ring 2, and a sealing component 3. The bottom end of the sealing cover body 1 is fixed with the fixing ring 2. The sealing cover body 1 is used to install and cooperate with the speed reducer. The fixing ring 2 seals the sealing cover body 1 and the speed reducer installation. The sealing component 3 is movably connected inside the fixing ring 2. The sealing component 3 further assists in the installation between the fixing ring 2 and the speed reducer. The inner ring of the fixing ring 2 is fixed with a sealing disc 203. The sealing disc 203 is fixed at the bottom end of the sealing cover body 1. The sealing disc 204 and the guide ring 205 are connected to the sealing cover body 1 through the sealing disc 203. The bottom end of the fixing ring 2 has a movable groove 202. The fixing ring 2 above the movable groove 202 has a fitting groove 201. The movable groove 202 and the fitting groove 201 cooperate to movably connect the sealing component 3 at the bottom end of the sealing cover body 1.

[0027] Specifically, mounting ears 101 are fixed in a ring array around the periphery of the sealing cover body 1. Each mounting ear 101 has a vertically penetrating mounting hole 102. A shaft seal 103 is fixed through the center of the sealing cover body 1. The sealing cover body 1 is movably connected to the mounting bolts through the mounting holes 102 on the mounting ears 101. The sealing cover body 1 is installed on the reducer through the mounting bolts. The shaft seal 103 provides installation and sealing for the output shaft of the reducer.

[0028] Furthermore, a second sealing disc 204 is fixed at the bottom outer edge of the sealing disc 203, and a guide ring 205 is fixed at the inner ring of the second sealing disc 204. The top of the guide ring 205 is fixed on the sealing disc 203. The sealing disc 203 is pressed against the reducer through the cooperation of the second sealing disc 204 and the guide ring 205, so that the gap between the reducer and the sealing cover body 1 is sealed.

[0029] The operation process of this embodiment is as follows: During operation, after aligning the sealing cover body 1 with the reducer, and then aligning the mounting ear 101 on the sealing cover body 1 with the reducer, the mounting bolt is inserted into the mounting hole 102 of the mounting ear 101. During the installation process, the gap between the sealing cover body 1 and the reducer is sealed by the cooperation of the fixing ring 2, the sealing disc 204 on the sealing disc 1 203, and the guide ring 205. Specific Implementation Example 2

[0030] Please see Figure 1 , 3 4, 5, 6. Based on the first specific embodiment, the sealing assembly 3 includes a receiving ring 301 and a movable ring 302. The movable groove 202 and the fitting groove 201 are interconnected. The receiving ring 301 is movably connected in the fitting groove 201, and the movable ring 302 is movably connected in the movable groove 202. When the sealing assembly 3 is working, the receiving ring 301 is movably connected in the fitting groove 201, so that the sealing assembly 3 is stably set in the fixed ring 2 during operation.

[0031] Specifically, a movable ring 302 is fixed to the bottom end of the receiving ring 301. The movable ring 302 extends out of the movable groove 202. The bottom end of the movable ring 302 is set at the bottom end of the fixed ring 2. The receiving ring 301 is fixed to the fixed ring 2, so that the sealing strip 303 is set below the bottom end of the fixed ring 2.

[0032] Furthermore, the sealing assembly 3 also includes a sealing strip 303. The lower part of both the inner and outer rings of the movable ring 302 is fixed with the sealing strip 303. When in operation, the sealing strip 303 is inclined and seals the gap between the reducer and the sealing cover body 1 after being pressed against the reducer.

[0033] The operation process of this embodiment is as follows: Before installing the sealing cover body 1, the outer surface of the sealing cover body 1 is first set downwards. Then, a sealing component 3 is prepared. The receiving ring 301 is inserted into the movable groove 202 at the bottom of the fixed ring 2, and then squeezed into the fitting groove 201. The movable ring 302 is also inserted into the movable groove 202. Two sealing strips 303 are set at the bottom of the fixed ring 2. When installing the sealing cover body 1, the sealing strips 303 and the movable ring 302 further seal the gap between the sealing cover body 1 and the reducer. After the sealing strip 303 ages, by pulling the receiving ring 301, the movable ring 302 and the sealing strip 303, a new sealing component 3 is selected and the above installation work is repeated to complete the work. The installation of the sealing component 3 is more convenient.

[0034] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0035] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A sealing ring of a reducer sealing cover, comprising a sealing cover main body (1), a fixing ring (2) and a sealing assembly (3), characterized in that: A fixing ring (2) is fixed at the bottom of the sealing cover body (1). A sealing component (3) is movably connected inside the fixing ring (2). A sealing disc (203) is fixed on the inner ring of the fixing ring (2). The sealing disc (203) is fixed at the bottom of the sealing cover body (1). A movable groove (202) is opened at the bottom of the fixing ring (2). An interlocking groove (201) is opened inside the fixing ring (2) above the movable groove (202).

2. A sealing ring of a sealing cover of a speed reducer according to claim 1, characterized in that: The sealing cover body (1) has mounting ears (101) fixed in a ring array on its periphery. Each mounting ear (101) has a vertically penetrating mounting hole (102). A shaft seal (103) is fixed in the center of the sealing cover body (1).

3. The sealing ring of the reducer sealing cover according to claim 1, characterized in that: A second sealing disk (204) is fixed at the bottom outer edge of the first sealing disk (203), and a guide ring (205) is fixed at the inner ring of the second sealing disk (204). The top end of the guide ring (205) is fixed on the first sealing disk (203).

4. The sealing ring of the reducer sealing cover according to claim 1, characterized in that: The sealing assembly (3) includes a receiving ring (301) and a movable ring (302). The movable groove (202) and the fitting groove (201) are interconnected. The receiving ring (301) is movably connected in the fitting groove (201), and the movable ring (302) is movably connected in the movable groove (202).

5. The sealing ring of the reducer sealing cover according to claim 4, characterized in that: The bottom end of the receiving ring (301) is fixed with a movable ring (302), the movable ring (302) extends out of the movable groove (202), and the bottom end of the movable ring (302) is set at the bottom end of the fixed ring (2).

6. The sealing ring of the reducer sealing cover according to claim 5, characterized in that: The sealing assembly (3) also includes a sealing strip (303), and the lower part of the inner and outer rings of the movable ring (302) are both fixed with the sealing strip (303).

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