Mechanical sealing accessory with inner wall cleaning function

Abstract

The utility model discloses a mechanical sealing accessory with an inner wall cleaning function, which comprises a clamping hole, a sealing rubber sleeve is fixedly connected to the inner side of the clamping hole, a connecting ring is fixedly connected to the lower surface of a connecting flange plate, a water injection opening is formed in the outer surface of a connecting key groove, and a sealing ring is fixedly connected to the inner side of the clamping hole. A clamping ring groove is formed in the inner side of the connecting ring, a fixing gasket is fixedly connected to the inner surface of the clamping ring groove, by arranging a clamping hole, connection between a sealing rubber sleeve and other sealing pieces and mechanical parts is tighter, and the sealing performance of the sealing assembly is improved; the inner fixing ring hole is formed so that the inner wall between the sealing accessory and the mechanical accessory can be fixed conveniently, the connecting key groove is formed so that the mechanical sealing accessory can have higher position precision in the connecting process, and the water injection opening is formed so that water cooling water, cleaning water and the like can be injected conveniently; and by arranging the clamping ring groove, the mechanical sealing accessory does not deviate in the shaft seal rotating process.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical sealing accessories, in particular to a mechanical sealing accessory with an inner wall cleaning function. Background Art

[0002] Seals are materials or parts that prevent fluids or solid particles from leaking between adjacent mating surfaces and prevent external impurities such as dust and moisture from invading components inside machinery and equipment.

[0003] The existing mechanical sealing accessories do not have the water washing function, so that the dirt accumulated inside during use cannot be cleaned in time, which has a great impact on the inner wall of the mechanical sealing accessories over time, and due to the long-term mechanical movement, the rotating transmission components inside it are prone to large deviations, causing large noise and equipment vibration. For example, a Chinese patent discloses "a mechanical sealing accessory with inner wall cleaning function", and its application number is: "CN202021314493.3", which includes: a seal, a fixed sealing cover on the right side of the seal is closed with a cover, a large bearing is fixedly sleeved on the left side of the seal, and a flange is fixedly sleeved on the outside of the large bearing. Although its structure can have internal cleaning, due to the long-term mechanical movement, the rotating transmission components inside it are prone to large deviations, causing large noise and equipment vibration, and because the sealing part rotates at high speed and high temperature for a long time, the sealing part is prone to leakage, and its applicability is relatively limited. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a mechanical sealing accessory with an inner wall cleaning function. The device arranges a snap-fitting gap to make the connection between sealing parts such as sealing rubber sleeves and mechanical accessories tighter, thereby improving the sealing performance of the sealing assembly. An internal fixing ring hole is provided to facilitate the fixation of the inner wall between the sealing accessory and the mechanical accessory. A connecting key groove is provided to enable the mechanical sealing accessory to have higher position accuracy during the connection process. A water injection port is provided to facilitate the injection of water-cooling water and cleaning water, etc., and a snap-fitting ring groove is provided to prevent the mechanical sealing accessory from deflecting during the rotating shaft sealing process.

[0005] The utility model also provides a mechanical sealing accessory with the above-mentioned inner wall cleaning function, comprising: a main body, the outer surface of the main body is fixedly connected with a connecting flange, the upper surface of the connecting flange is fixedly connected with a plug-in part, the outer surface of the plug-in part is fixedly connected with a fixed ring, the inner surface of the fixed ring is fixedly connected with a moving ring, the inner surface of the moving ring is provided with balls, the outer side of the moving ring is provided with a snap-fitting pore, and the inner side of the snap-fitting pore is fixedly connected with a sealing rubber sleeve; through the mutual cooperation between the above-mentioned parts and the provision of the snap-fitting pore, the connection between the sealing rubber sleeve and other sealing parts and the mechanical accessories is made tighter, thereby improving the sealing performance of the sealing assembly.

[0006] An inner fixed hole ring is provided on the inner side of the moving ring, a connecting ring is fixedly connected to the lower surface of the connecting flange, a connecting key slot is provided on the side surface of the connecting ring, a water injection port is provided on the outer surface of the connecting key slot, a snap ring groove is provided on the inner side of the connecting ring, and a fixed gasket is fixedly connected to the inner surface of the snap ring groove. Through the mutual cooperation between the above parts, the setting of the connecting key slot enables the mechanical seal accessories to have higher position accuracy during the connection process, the setting of the water injection port facilitates the injection of water cooling water and cleaning water, etc., and the setting of the snap ring groove prevents the mechanical seal accessories from deflecting during the rotating shaft sealing process.

[0007] According to the mechanical seal accessory with inner wall cleaning function described in the utility model, the inner side of the main body is fixedly connected with an inner tube. Through the mutual cooperation between the above parts, it is convenient to clean the inner wall of the inner tube so that no dirt accumulates on the inner wall surface.

[0008] According to the mechanical seal accessory with inner wall cleaning function described in the utility model, the plug-in part and the connecting ring are fixedly connected via a connecting flange. Through the mutual cooperation between the above parts, the combination and use of the plug-in part and the connecting ring are more stable.

[0009] According to the mechanical seal accessory with inner wall cleaning function described in the utility model, the lower surface of the water injection port is provided with an inner cleaning water port. Through the mutual cooperation between the above parts, it is convenient to clean the inside of the main body.

[0010] According to the mechanical seal accessory with inner wall cleaning function described in the utility model, a spring is fixedly connected to the lower surface of the fixed ring. The above parts cooperate with each other to achieve buffering and shock absorption.

[0011] According to the mechanical seal accessory with inner wall cleaning function described in the utility model, a fixing hole is opened on the inner side of the connecting flange. The fixing and installation of the connecting flange and the mechanical component are facilitated by the mutual cooperation between the above parts.

[0012] According to the mechanical seal accessory with inner wall cleaning function described in the utility model, the outer side edge of the water injection port is fixedly bonded with a sprue sleeve. Through the mutual cooperation between the above parts, leakage is prevented during the water injection process.

[0013] According to the mechanical seal accessory with inner wall cleaning function described in the utility model, the inner cleaning water inlet and the water injection port are connected through each other. Through the mutual cooperation between the above parts, it is convenient to send the water in the water injection port to the inner cleaning water inlet.

[0014] Beneficial Effects

[0015] Compared with the prior art, the utility model provides a snap-fitting gap to make the connection between sealing parts such as sealing rubber sleeves and mechanical accessories tighter, thereby improving the sealing performance of the sealing assembly; an internal fixing ring hole is provided to facilitate the fixation of the inner wall between the sealing accessory and the mechanical accessory; a connecting key groove is provided to enable the mechanical sealing accessory to have higher position accuracy during the connection process; a water injection port is provided to facilitate the injection of water cooling water and cleaning water, etc.; a snap-fitting ring groove is provided to prevent the mechanical sealing accessory from deflecting during the rotating shaft sealing process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0017] Figure 1 This is the overall structural diagram of the mechanical seal accessory with inner wall cleaning function of the utility model;

[0018] Figure 2 This is an internal cross-sectional view of a mechanical seal accessory with inner wall cleaning function according to the utility model;

[0019] Figure 3 This is the internal structure diagram of the mechanical seal accessory with inner wall cleaning function of the utility model;

[0020] Figure 4 This is a flange installation structure diagram of a mechanical seal accessory with inner wall cleaning function of the utility model;

[0021] Legend:

[0022] 1. Main body; 2. Connecting flange; 3. Fixing hole; 4. Plug-in part; 5. Fixed ring; 6. Moving ring; 7. Ball; 8. Engaging gap; 9. Sealing rubber sleeve; 10. Internal fixed hole ring; 11. Connecting ring; 12. Connecting keyway; 13. Water injection port; 14. Gate sleeve; 15. Engaging ring groove; 16. Fixed gasket; 17. Inner tube; 18. Internal cleaning water outlet; 19. Spring. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] Reference Figure 1-4 The utility model embodiment is a mechanical seal accessory with an inner wall cleaning function, which includes: a main body 1, an inner tube 17 is fixedly connected to the inner side of the main body 1, which is convenient for cleaning the inner wall of the inner tube 17, so that no dirt is accumulated on the inner wall surface, a connecting flange 2 is fixedly connected to the outer surface of the main body 1, and a fixing hole 3 is opened on the inner side of the connecting flange 2 to facilitate the fixed installation of the connecting flange 2 and the mechanical component, and a plug-in portion 4 is fixedly connected to the upper surface of the connecting flange 2, and the plug-in portion 4 is fixedly connected to the connecting ring 11 through the connecting flange 2. The connection makes the combination and cooperation between the plug-in part 4 and the connecting ring 11 more stable. The outer surface of the plug-in part 4 is fixedly connected with a fixed ring 5, and the lower surface of the fixed ring 5 is fixedly connected with a spring 19 for buffering and shock absorption. The inner surface of the fixed ring 5 is fixedly connected with a moving ring 6, and the inner surface of the moving ring 6 is provided with a ball 7. The outer side of the moving ring 6 is provided with a snap-fitting hole 8, and the inner side of the snap-fitting hole 8 is fixedly connected with a sealing rubber sleeve 9. By setting the snap-fitting hole 8, the connection between the sealing rubber sleeve 9 and other sealing parts and the mechanical accessories is tighter, thereby improving the sealing performance of the sealing assembly.

[0025] An inner fixed hole ring 10 is provided on the inner side of the moving ring 6, a connecting ring 11 is fixedly connected to the lower surface of the connecting flange 2, a connecting ring 11 is provided on the side surface of the connecting ring 11, a connecting key groove 12 is provided on the outer surface of the connecting key groove 12, a water injection port 13 is provided, and a sprue sleeve 14 is fixedly bonded to the outer edge of the water injection port 13 to prevent leakage during the water injection process, an inner cleaning water port 18 is provided on the lower surface of the water injection port 13 to facilitate cleaning the inside of the main body 1, and the inner cleaning water port 18 is connected with the water injection port 13 to facilitate sending the water in the water injection port 13 to the inner cleaning water port 18, a snap-fit ​​ring groove 15 is provided on the inner side of the connecting ring 11, and a fixed gasket 16 is fixedly connected to the inner surface of the snap-fit ​​ring groove 15. By setting the connecting key groove 12, the mechanical sealing accessories have higher position accuracy during the connection process, the water injection port 13 is provided to facilitate the injection of water-cooling water and cleaning water, and the snap-fit ​​ring groove 15 is provided to prevent the mechanical sealing accessories from deflecting during the rotating shaft sealing process.

[0026] Working principle: During the assembly process, the connecting flange 2, the plug-in part 4 and the connecting ring 11 of the mechanical seal accessories are first connected to the main body 1 and the mechanical connection components through the inner fixing ring hole 10, the connecting key groove 12, the locking ring groove 15 and the fixing hole 3. In addition, the fixing gasket 16 and other components further improve the fixity of the connection between them, so that the main body 1 does not deviate during the rotating shaft seal. The fixed ring 5 and the moving ring 6 are connected by the ball 7 to make the rotation between them more stable. The sealing sleeve 9 has a higher sealing performance after installation and engagement, and the water injection port 13 is convenient for the injection of external water, and the gate sleeve 14 prevents water from leaking during injection. The injected water can remove heat from the inner tube 17 inside the main body 1 to prevent the inner wall temperature of the inner tube 17 from being too high. At the same time, the water injection port 13 is connected to the internal cleaning water port 18 to clean the inner wall of the inner tube 17 so that no dirt accumulates on the inner wall surface.

[0027] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A mechanical seal accessory with inner wall cleaning function, characterized in that: include: A main body (1), wherein the outer surface of the main body (1) is fixedly connected to a connecting flange (2), the upper surface of the connecting flange (2) is fixedly connected to a plug-in portion (4), the outer surface of the plug-in portion (4) is fixedly connected to a fixed ring (5), the inner surface of the fixed ring (5) is fixedly connected to a moving ring (6), the inner surface of the moving ring (6) is provided with a ball (7), the outer side of the moving ring (6) is provided with a snap-fitting pore (8), and the inner side of the snap-fitting pore (8) is fixedly connected to a sealing rubber sleeve (9); An inner fixed hole ring (10) is provided on the inner side of the moving ring (6); a connecting ring (11) is fixedly connected to the lower surface of the connecting flange (2); a connecting key groove (12) is provided on the side surface of the connecting ring (11); a water injection port (13) is provided on the outer surface of the connecting key groove (12); a snap ring groove (15) is provided on the inner side of the connecting ring (11); a fixing gasket (16) is fixedly connected to the inner surface of the snap ring groove (15).

2. A mechanical seal accessory with inner wall cleaning function according to claim 1, characterized in that: An inner tube (17) is fixedly connected to the inner side of the main body (1).

3. The mechanical seal accessory with inner wall cleaning function according to claim 1, characterized in that: The plug-in portion (4) and the connecting ring (11) are fixedly connected via a connecting flange (2).

4. The mechanical seal accessory with inner wall cleaning function according to claim 1, characterized in that: The lower surface of the water injection port (13) is provided with an inner cleaning water port (18).

5. The mechanical seal accessory with inner wall cleaning function according to claim 1, characterized in that: A spring (19) is fixedly connected to the lower surface of the fixed ring (5).

6. The mechanical seal accessory with inner wall cleaning function according to claim 1, characterized in that: A fixing hole (3) is provided on the inner side of the connecting flange (2).

7. The mechanical seal accessory with inner wall cleaning function according to claim 1, characterized in that: The outer edges of the water injection port (13) are fixedly bonded with a sprue sleeve (14).

8. The mechanical seal accessory with inner wall cleaning function according to claim 4, characterized in that: The inner cleaning water inlet (18) is connected to the water injection port (13).

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