Bearing gland sealing mechanism
By designing a rotatable sealing cover and a limiting block in the bearing gland sealing mechanism, and utilizing an "L"-shaped fixing groove and connecting column, the problem of bearing pad detachment was solved, achieving stable connection and sealing effect of the sealing components.
Patent Information
- Application Number
- CN202520805266.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-25
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2035-04-25
AI Technical Summary
In existing bearing cover sealing mechanisms, the bearing pad is prone to detaching from the bearing cover during use.
A bearing cap sealing mechanism was designed, including a bearing cap, an upper seal and a lower seal. The lower seal includes a rotatable sealing cover and a limiting block. The positions of the upper seal and the bearing cap are limited by the design of the "L"-shaped fixing groove and the connecting column, reducing the probability of detachment.
This effectively reduces the probability of the upper seal and bearing cap falling off during connection, ensuring the stability of the sealing effect.
Smart Images
Figure CN223839570U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of bearing gland sealing technology, specifically a bearing gland sealing mechanism. Background Technology
[0002] When the pump body is in use, in order to ensure the sealing of the bearing in the pump body, a bearing gland is installed at the end where the bearing and the pump body are connected to seal it. The corresponding bearing gland sealing mechanism is used when performing the sealing treatment.
[0003] Currently, the bearing cap sealing mechanism of this type on the market connects the bearing cap and the bearing during use. The sealing gasket inside the bearing cap seals the bearing. However, the bearing gasket may detach from the bearing cap during use. Utility Model Content
[0004] The purpose of this utility model is to provide a bearing cover sealing mechanism to solve the problem in the background art where the bearing pad of the bearing cover sealing mechanism falls off during use.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a bearing cap sealing mechanism, which is disposed on a pump body bearing and includes a bearing cap, an upper seal, and a lower seal. The bearing cap is sleeved with the pump body bearing. The upper seal is inserted into the bearing cap. The lower seal is rotatably disposed below the upper seal and is inserted into the bearing cap. The lower seal includes a second sealing gasket rotatably disposed below the upper seal. The top of the second sealing gasket has a sealing cover plate that is partially rotatably inserted into the upper seal. A plurality of second limiting blocks are fixed on the periphery of the second sealing gasket. The top of the second limiting blocks abuts against the interior of the bearing cap. Rotating the second sealing gasket causes the second limiting blocks to abut against the interior of the bearing cap to limit the position of the upper seal.
[0006] Preferably, a connecting post is fixed to the bottom of the sealing cover, and the bottom of the connecting post is connected to the top of the second sealing gasket.
[0007] Preferably, the upper seal includes a first sealing gasket inserted into the bearing cover, and a plurality of first limiting blocks are connected to the periphery of the first sealing gasket, the plurality of first limiting blocks being distributed in a circular array on the periphery of the first sealing gasket.
[0008] Preferably, the highest point of the second limiting block is higher than the highest point of the second sealing gasket, and the highest point of the second limiting block is lower than the highest point of the first limiting block.
[0009] Preferably, a through groove is formed at the center point of the first sealing gasket, the bottom end of the through groove penetrates the first sealing gasket, and the through groove is inserted into the connecting post.
[0010] Preferably, the through groove has a top groove, and the top groove and the through groove are connected.
[0011] Preferably, the plane containing the highest point of the connecting column and the plane containing the lowest point of the top groove are coplanar, and the sealing cover is inserted into the top groove.
[0012] Preferably, the bearing cover has an insertion groove for the upper seal and the lower seal to be inserted into, and the periphery of the insertion groove has a plurality of fixing grooves for the first limiting block to be inserted into; the fixing groove and the insertion groove are connected, the depth of the insertion groove is the same as the total length of the first sealing gasket and the second sealing gasket, and the fixing groove is designed in an "L" shape.
[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: This bearing cover sealing mechanism designs a lower sealing element below the upper sealing element, wherein the sealing cover plate is inserted into the fixing groove. Since the fixing groove is designed in an "L" shape and the lower groove opening is inserted into the sealing cover plate, the sealing cover plate is constrained, thereby reducing the probability of the upper and lower sealing elements falling off from the bearing cover during the sealing process; at the same time, the design of the connecting column and the sealing cover plate allows the upper sealing element and the second sealing gasket to perform the sealing process while being rotatable. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the main structure of this utility model;
[0015] Figure 2 This is a schematic diagram of the exploded front view of this utility model;
[0016] Figure 3 This is a schematic diagram of the connection structure between the first sealing gasket and the second sealing gasket of this utility model;
[0017] Figure 4 This is a partial structural diagram of the first and second sealing gaskets of this utility model during installation;
[0018] Figure 5 This is a side view of the internal structure of the bearing cap of this utility model.
[0019] In the picture:
[0020] 1. Bearing cap; 11. Fixing groove; 12. Insertion groove;
[0021] 2. Upper seal; 21. First limiting block; 22. First sealing gasket; 23. Through groove; 24. Top groove;
[0022] 3. Lower seal; 31. Sealing cover; 32. Second limiting block; 33. Second sealing gasket; 34. Connecting column. Detailed Implementation
[0023] 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 of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0024] Example 1
[0025] like Figure 1-5 As shown, a bearing cap sealing mechanism is disposed on a pump body bearing, including a bearing cap 1, an upper seal 2, and a lower seal 3. The bearing cap 1 is sleeved with the pump body bearing, and the bearing cap 1 should also have bolt holes on its periphery for fixing to the housing. Figure 1 and Figure 2 As shown; the upper seal 2 is inserted into the bearing cover 1 to seal the end of the bearing; the lower seal 3 is rotatably disposed below the upper seal 2 and is inserted into the bearing cover 1. The lower seal 3 is used to limit the connection between the upper seal 2 and the bearing cover 1, reducing the probability of the upper seal 2 and the bearing cover 1 falling off during connection.
[0026] The bearing cap 1 mentioned above, also known as the bearing end cap or bearing cover, is a key component in the mechanical transmission system. Its core function is to axially fix the bearing position and achieve sealing protection, which is the explanation of the prior art.
[0027] The lower seal 3 includes a second sealing gasket 33 rotatably disposed below the upper seal 2. The second sealing gasket 33 supports the upper seal 2 and the bearing cap 1. The second sealing gasket 33 and the upper seal 2 are coaxially designed. The top of the second sealing gasket 33 has a sealing cover plate 31 that is partially rotatably inserted into the upper seal 2. The sealing cover plate 31 is used to connect with the upper seal 2 and define the coaxial relationship between the second sealing gasket 33 and the upper seal 2. A plurality of second limiting blocks 32 are fixedly disposed on the periphery of the second sealing gasket 33. The second limiting blocks 32 are used to be inserted into the bearing cap 1 to define the connection between the upper seal 2 and the bearing cap 1. The top of the second limiting block 32 abuts against the inside of the bearing cap 1. Rotating the second sealing gasket 33 causes the second limiting block 32 to abut against the inside of the bearing cap 1 to define the position of the upper seal 2.
[0028] A connecting post 34 is fixed to the bottom of the sealing cover plate 31. The bottom of the connecting post 34 is connected to the top of the second sealing gasket 33 to connect the second sealing gasket 33 and the sealing cover plate 31. The connecting post 34 is circular to facilitate the rotation of the second sealing gasket 33 under the upper sealing member 2.
[0029] The effect achieved by the entire embodiment is that, during use, the upper seal 2 and the bearing abut against the wall, and the bearing and the bearing cover 1 are fixed through the bolt holes on the periphery of the bearing cover 1. When the upper seal 2 and the bearing abut against each other, the second limiting block 32 on the periphery of the second sealing gasket 33 will be inserted into the bearing cover 1, limiting the fixation of the bearing cover 1 and the upper seal 2, and reducing the probability of the bearing cover 1 and the upper seal 2 falling off during insertion.
[0030] Example 2
[0031] like Figure 1-5 As shown, a bearing cap sealing mechanism includes a fixing groove 11 and an insertion groove 12. The upper sealing member 2 includes a first sealing gasket 22 inserted into the bearing cap 1. The first sealing gasket 22 and the second sealing gasket 33 are circular gaskets designed with the same axis. Both the upper sealing member 2 and the lower sealing member 3 are made of rubber. A plurality of first limiting blocks 21 are connected to the periphery of the first sealing gasket 22. The first limiting blocks 21 are inserted into the fixing groove 11 and the opposite side away from the bearing cap 1 abuts against the bearing. The plurality of first limiting blocks 21 are distributed in a circular array on the periphery of the first sealing gasket 22 to limit the position of the first sealing gasket 22 and reduce the probability of the first sealing gasket 22 rotating during use.
[0032] The highest point of the second limiting block 32 is higher than the highest point of the second sealing gasket 33, and the highest point of the second limiting block 32 is lower than the highest point of the first limiting block 21. The second limiting block 32 is used to insert into the insertion groove 12, and the second limiting block 32 and the insertion groove 12 are completely fitted together. After the second limiting block 32 and the fixing groove 11 are inserted, when the upper seal 2 is pulled directly, the upper seal 2 will be limited by the second limiting block 32 and the insertion groove 12, and a large force is required to separate it from the bearing cover 1. During normal use, the bearing is against the upper seal 2, and there will be no outward pulling force.
[0033] A through groove 23 is provided at the center point of the first sealing gasket 22. The bottom end of the through groove 23 passes through the first sealing gasket 22. The through groove 23 and the connecting post 34 are inserted into each other, so that the sealing cover plate 31 can drive the connecting post 34 to rotate in the through groove 23, causing the second sealing gasket 33 to rotate synchronously.
[0034] A top groove 24 is provided on the through groove 23, and the top groove 24 is connected to the through groove 23. The top groove 24 is used to place the sealing cover plate 31, and as... Figure 2 and Figure 3As shown, the sealing cover plate 31, top groove 24, through groove 23 and connecting post 34 are all circular in top view. The diameter of the sealing cover plate 31 is smaller than the diameter of the top groove 24, the diameter of the sealing cover plate 31 is larger than the diameter of the through groove 23, and the diameter of the through groove 23 is larger than the diameter of the connecting post 34. This allows the connecting post 34 and through groove 23 to rotate while the sealing cover plate 31 covers the top groove 24 to achieve a seal.
[0035] The plane where the highest point of the connecting column 34 is located and the plane where the lowest point of the top groove 24 is located are coplanar. The sealing cover plate 31 is inserted into the top groove 24 to further enhance the coverage and fit of the sealing cover plate 31 to the top groove 24 and enhance the sealing of the top groove 24 by the sealing cover plate 31.
[0036] The effect achieved by the entire second embodiment is that, during use, the second limiting block 32 is used to insert into the insertion groove 12, and the second limiting block 32 and the insertion groove 12 are completely fitted together. After the second limiting block 32 and the fixing groove 11 are inserted, when the upper seal 2 is pulled directly, the upper seal 2 will be limited by the second limiting block 32 and the insertion groove 12, and a large force is required to separate it from the bearing cover 1. During normal use, the bearing is against the upper seal 2, and there will be no outward pulling force. At the same time, since the bearing cover 1, the top groove 24, the through groove 23 and the connecting post 34 are all circular in plan view, the diameter of the sealing cover plate 31 is smaller than the diameter of the top groove 24, the diameter of the sealing cover plate 31 is larger than the diameter of the through groove 23, and the diameter of the through groove 23 is larger than the diameter of the connecting post 34. This allows the connecting post 34 and the through groove 23 to rotate while the sealing cover plate 31 covers the top groove 24 to achieve a seal.
[0037] Example 3
[0038] like Figure 1-5 As shown, a bearing cap sealing mechanism is provided. The bearing cap 1 has an insertion groove 12 for inserting an upper seal 2 and a lower seal 3. The periphery of the insertion groove 12 has a plurality of fixing grooves 11 for inserting a first limiting block 21. The insertion groove 12 is used to insert a first sealing gasket 22 and a second sealing gasket 33. The diameters of the first sealing gasket 22 and the second sealing gasket 33 are the same, and when in use, the periphery of the first sealing gasket 22 and the second sealing gasket 33 will fit against the inner periphery of the insertion groove 12 to achieve a seal.
[0039] The fixing groove 11 and the insertion groove 12 are connected. The depth of the insertion groove 12 is the same as the total length of the first sealing gasket 22 and the second sealing gasket 33. The fixing groove 11 has an "L" shape design. Figure 5As shown, the shorter part of the fixing groove 11 will be inserted into the second limiting block 32, and the longer part of the fixing groove 11 will be inserted into the first limiting block 21. The four sides and the width of the first limiting block 21 are the same as the longer part of the fixing groove 11. The four sides and the width of the second limiting block 32 are the same as the shorter part of the fixing groove 11. The second limiting block 32 will be sealed to the shorter part of the fixing groove 11. At the same time, when installing the bearing cover 1, the upper seal 2 and the lower seal 3.
[0040] The effect achieved by the entire third embodiment is that the first limiting block 21 and the second limiting block 32 are positioned as follows: Figure 4 As shown in the alignment diagram, since the lower seal 3 and the upper seal 2 are made of rubber, when the first limiting block 21 and the second limiting block 32 are aligned, the first limiting block 21 will squeeze the second limiting block 32. At the same time, there will be a certain gap between the second sealing gasket 33 and the first sealing gasket 22. After the second limiting block 32 and the bottom of the fixing groove 11 abut, rotate the sealing cover plate 31. Under the action of the connecting column 34, the sealing cover plate 31 will drive the second sealing gasket 33 to rotate until the shorter part of the second limiting block 32 and the fixing groove 11 are inserted. After insertion, the bottom of the second sealing gasket 33 and the first sealing gasket 22 will abut again. At this time, the first limiting block 21 and the fixing groove 11 can be inserted.
[0041] Working principle: When using this bearing cover sealing mechanism, check whether each component is complete. First, when using it, the bearing cover, also known as the bearing end cover or bearing cover, is a key component in the mechanical transmission system. Its core function is to axially fix the bearing position and achieve sealing protection. When using it, first put the upper seal 2 against the bearing abutment wall, and fix the bearing and bearing cover 1 through the bolt holes on the periphery of the bearing cover 1. When the upper seal 2 and the bearing abut, the second limiting block 32 on the periphery of the second sealing gasket 33 will insert into the bearing cover 1, limiting the fixation of the bearing cover 1 and the upper seal 2, reducing the probability of the bearing cover 1 and the upper seal 2 falling off during insertion.
[0042] Secondly, during use, the second limiting block 32 is used to insert into the insertion groove 12, and the second limiting block 32 and the insertion groove 12 are completely fitted together. After the second limiting block 32 and the fixing groove 11 are inserted, when the upper seal 2 is pulled directly, the upper seal 2 will be limited by the second limiting block 32 and the insertion groove 12, and a large force is required to separate it from the bearing cover 1. During normal use, the bearing is against the upper seal 2, and there will be no outward pulling force. At the same time, since the bearing cover 1, the top groove 24, the through groove 23 and the connecting post 34 are all circular in top view, the diameter of the sealing cover 31 is smaller than the diameter of the top groove 24, the diameter of the sealing cover 31 is larger than the diameter of the through groove 23, and the diameter of the through groove 23 is larger than the diameter of the connecting post 34. This allows the connecting post 34 and the through groove 23 to rotate while the sealing cover 31 covers the top groove 24 to achieve a seal.
[0043] Finally, during the insertion process, the first limiting block 21 and the second limiting block 32 are positioned as follows: Figure 4 As shown in the diagram, since the lower seal 3 and the upper seal 2 are made of rubber, when the first limiting block 21 and the second limiting block 32 are aligned, the first limiting block 21 will press against the second limiting block 32. Simultaneously, there will be a certain gap between the second sealing gasket 33 and the first sealing gasket 22. After the second limiting block 32 abuts against the bottom of the fixing groove 11, the sealing cover plate 31 is rotated. Under the action of the connecting column 34, the sealing cover plate 31 drives the second sealing gasket 33 to rotate until the shorter part of the second limiting block 32 and the fixing groove 11 are inserted. After insertion, the bottom of the second sealing gasket 33 and the first sealing gasket 22 will abut again. At this time, the positions of the lower seal 3 and the upper seal 2 are as shown in the diagram. Figure 3 As shown, the first limiting block 21 and the fixing groove 11 can then be inserted to complete the work of the bearing cover sealing mechanism.
[0044] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.
[0045] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A bearing cap sealing mechanism, wherein the bearing cap sealing mechanism is disposed on a pump body bearing, characterized in that, include: Bearing gland, which is sleeved with the pump body bearing; An upper seal is inserted into the bearing cap; A lower seal is rotatably disposed below the upper seal and is inserted into the bearing cap. The lower seal includes a second sealing gasket rotatably disposed below the upper seal. The top of the second sealing gasket has a sealing cover plate that is partially rotatably inserted into the upper seal. A plurality of second limiting blocks are fixedly disposed on the periphery of the second sealing gasket. The top of the second limiting blocks abuts against the inside of the bearing cap. Rotating the second sealing gasket causes the second limiting blocks to abut against the inside of the bearing cap to limit the position of the upper seal.
2. The bearing cap sealing mechanism according to claim 1, characterized in that: A connecting post is fixed to the bottom of the sealing cover, and the bottom of the connecting post is connected to the top of the second sealing gasket.
3. The bearing cap sealing mechanism according to claim 2, characterized in that: The upper seal includes a first sealing gasket inserted into the bearing cover, and a plurality of first limiting blocks are connected to the periphery of the first sealing gasket, and the plurality of first limiting blocks are distributed in a circular array on the periphery of the first sealing gasket.
4. The bearing cap sealing mechanism according to claim 3, characterized in that: The highest point of the second limiting block is higher than the highest point of the second sealing gasket, and the highest point of the second limiting block is lower than the highest point of the first limiting block.
5. The bearing cap sealing mechanism according to claim 4, characterized in that: A through groove is provided at the center point of the first sealing gasket, the bottom end of the through groove passes through the first sealing gasket, and the through groove is inserted into the connecting post.
6. The bearing cap sealing mechanism according to claim 5, characterized in that: A top groove is provided on the through groove, and the top groove is connected to the through groove.
7. A bearing cap sealing mechanism according to claim 6, characterized in that: The plane containing the highest point of the connecting column and the plane containing the lowest point of the top groove are coplanar, and the sealing cover is inserted into the top groove.
8. A bearing cap sealing mechanism according to claim 7, characterized in that: The bearing cover has an insertion groove for the upper seal and the lower seal to be inserted into, and the periphery of the insertion groove has a plurality of fixing grooves for the first limiting block to be inserted into. The fixing groove and the insertion groove are connected. The depth of the insertion groove is the same as the total length of the first sealing gasket and the second sealing gasket. The fixing groove is designed in an "L" shape.