CN220204669U - Annular water-gas sealing structure - Google Patents
Annular water-gas sealing structure Download PDFInfo
- Publication number
- CN220204669U CN220204669U CN202321593003.1U CN202321593003U CN220204669U CN 220204669 U CN220204669 U CN 220204669U CN 202321593003 U CN202321593003 U CN 202321593003U CN 220204669 U CN220204669 U CN 220204669U
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- Prior art keywords
- ring
- transmission shaft
- shaft
- wall
- leakage
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- 238000007789 sealing Methods 0.000 title claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 42
- 238000000926 separation method Methods 0.000 claims abstract description 27
- 239000010687 lubricating oil Substances 0.000 claims abstract description 7
- 238000005461 lubrication Methods 0.000 claims description 7
- 239000003921 oil Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 abstract description 14
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Sealing Devices (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model discloses an annular water-gas sealing structure, which belongs to the technical field of mechanical equipment, and comprises a transmission shaft penetrating through a bottom plate and a leakage-proof ring fixed at the lower part of the bottom plate, wherein the lower end of the transmission shaft is inserted into the leakage-proof ring, and is characterized in that: the anti-leakage ring is characterized in that the lower part of the anti-leakage ring is connected with the shaft head assembly, a wall groove is formed in the inner wall of the anti-leakage ring, a gas ring is arranged in the wall groove, a gas hole is formed in the gas ring, a first framework shaft seal and a second framework shaft seal are arranged on the upper side and the lower side of the gas ring, the first framework shaft seal and the second framework shaft seal are attached to a transmission shaft, an air inlet hole is formed in the anti-leakage ring, the air inlet hole corresponds to the gas hole, sealing gas is introduced from the outside through an air inlet pipe, a separation disc is arranged on the transmission shaft, the separation disc is positioned between the anti-leakage ring and the shaft head assembly, an L-shaped ring clamp is arranged on the separation disc, and the technical problem that lubricating oil pollution is caused by materials falling into a bearing is solved.
Description
Technical Field
The utility model belongs to the technical field of mechanical equipment, and particularly relates to an annular water-gas sealing structure.
Background
The transmission shaft is a rotating body with high rotating speed and few supports, so that dynamic balance of the transmission shaft is critical, when the transmission shaft is used in chemical equipment such as a reaction kettle or a submerged crusher, two ends of the transmission shaft are required to be sealed, the transmission shaft is used in a working environment of liquid or powder after working equipment such as fan blades are additionally arranged, the transmission shaft is required to be sealed at a fixed position of a tank body, the transmission shaft is fixed at present, sealing rings are additionally arranged at the upper side and the lower side of the bearing to ensure sealing effect, materials are prevented from falling into the bearing, however, the sealing rings are gradually worn along with the rotation of the transmission shaft, so that the materials fall into the bearing.
Disclosure of Invention
The utility model aims to: the utility model aims to provide an annular water-air sealing structure so as to solve the technical problem of lubricating oil pollution caused by the fact that materials fall into a bearing.
The technical aim of the utility model is realized by the following technical scheme: the utility model provides an annular water vapor seal structure, includes the transmission shaft that runs through the bottom plate to and be fixed in the leak protection ring of bottom plate lower part, the leak protection ring is inserted to transmission shaft lower extreme, its characterized in that: the lower part of the leakage-proof ring is connected with the shaft head assembly, a wall groove is formed in the inner wall of the leakage-proof ring, a gas ring is installed in the wall groove, gas holes are formed in the gas ring, a first framework shaft seal and a second framework shaft seal are installed on the upper side and the lower side of the gas ring, and the first framework shaft seal and the second framework shaft seal are attached to the transmission shaft;
the leakage-proof ring is provided with an air inlet hole, the air inlet hole corresponds to the air hole, and sealing air is introduced from outside through the air inlet pipe into the air inlet hole;
the transmission shaft is provided with a separation disc, the separation disc is positioned between the leakage-proof ring and the shaft head assembly, and the separation disc is provided with an L-shaped ring clamp.
Further: the shaft head assembly comprises an outer wall, a cavity is formed in the outer wall, a rotor bearing is arranged in the cavity, a transmission shaft is inserted into the rotor bearing, the upper surface of the outer wall extends obliquely inwards to form a guide surface, the guide surface is fixedly connected with a bottom plate through a connecting plate, an oil guide hole is formed in the connecting plate, an L-shaped fall is formed between the deepest part of the guide surface and a ring table, and the inner wall of the ring clamp rotates along the ring table.
Further: and the transmission shaft is additionally provided with a wear-resistant layer, and the wear-resistant layer is additionally arranged at the joint of the first framework shaft seal and the transmission shaft and the joint of the second framework shaft seal.
Further: the bottom surface of the outer wall is additionally provided with a lubrication interface, so that lubricating oil can be conveniently inserted into the cavity for bearing lubrication.
Further: and a sealing ring is additionally arranged at the joint of the inner wall of the separation disc and the transmission shaft.
Compared with the prior art, the utility model has the following advantages: through inserting gas from the intake pipe, gas gets into the gaseous ring through the gas pocket to form airtight between first skeleton bearing seal and second skeleton axle, on the other hand, through the material by first skeleton bearing seal, second skeleton bearing seal and separation dish combination use, the gap between first skeleton bearing seal and the second skeleton bearing seal is leaked down and is fallen into the separation dish, and the separation dish rotates along with the transmission shaft, the material that falls into separation dish upper portion in the rotation process is rotated along with the separation dish and is got rid of to the periphery, is discharged by the oil guide hole, thereby avoided the material to fall into the technical problem that the bearing department caused the lubricating oil pollution by the gap between separation dish and the transmission shaft, because this application structure is more reasonable, thereby manufacturing cost is lower, be suitable for comprehensive popularization and application.
Drawings
FIG. 1 is a block diagram of the present utility model;
FIG. 2 is a diagram of the gas ring structure of the present utility model;
FIG. 3 is an enlarged view of a portion of FIG. 1A in accordance with the present utility model;
fig. 4 is an enlarged view of a portion of fig. 1B of the present utility model.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In a first embodiment of the present utility model, as shown in fig. 1 to 4, an annular water-air sealing structure comprises a transmission shaft 2 penetrating a base plate 1, and a leakage preventing ring 3 fixed to a lower portion of the base plate 1, the leakage preventing ring 3 being inserted into a lower end of the transmission shaft 2, characterized in that: the lower part of the leakage-proof ring 3 is connected with the shaft head assembly 4, a wall groove 5 is formed in the inner wall of the leakage-proof ring 3, a gas ring 6 is installed in the wall groove 5, gas holes 7 are formed in the gas ring 6, a first framework shaft seal 8 and a second framework shaft seal 9 are installed on the upper side and the lower side of the gas ring 7, and the first framework shaft seal 8 and the second framework shaft seal 9 are attached to the transmission shaft 2;
the leak-proof ring 3 is provided with an air inlet hole 10, the air inlet hole 10 corresponds to the air hole 7, and sealing air is introduced from the outside through an air inlet pipe 11 into the air inlet hole 10;
a separation disc 12 is arranged on the transmission shaft 2, the separation disc 12 is positioned between the leakage-proof ring 3 and the shaft head assembly 4, and an L-shaped ring clamp 13 extends on the separation disc 12;
the shaft head assembly 4 comprises an outer wall 14, a cavity 15 is formed in the outer wall 14, a rotor bearing 16 is arranged in the cavity 15, a transmission shaft 2 is inserted into the rotor bearing 16, the upper surface of the outer wall 14 extends inwards in an inclined mode to form a guide surface 17, the guide surface 17 is fixedly connected with a bottom plate 18 through a connecting plate 19, an oil guide hole 20 is formed in the connecting plate 19, an L-shaped fall is formed between the deepest part of the guide surface 17 and a ring table 21, and the inner wall of the ring clamp 13 rotates along the ring table 21;
the bottom surface of the outer wall 14 is provided with a lubrication interface 23 to facilitate the insertion of lubrication oil into the cavity 15 for lubrication of the bearing.
Through adopting above-mentioned technical scheme, the core improvement of this application lies in: when the technical scheme provided by the application is used for sealing, gas is introduced from the air inlet pipe and enters the gas ring through the air holes, so that air sealing is formed between the first framework shaft seal 8 and the second framework shaft seal 9, it is to be noted that the air sealing can be selectively introduced into gas or liquid through the air inlet pipe according to the requirements of a user, abrasion is caused by friction generated between the continuous rotation of the transmission shaft 2 and the first framework shaft seal 8 and the second framework shaft seal 9, materials downwards leak into the separation disc 12 through gaps between the first framework shaft seal 8 and the second framework shaft seal 9, the separation disc 12 rotates along with the transmission shaft, the materials falling into the upper part of the separation disc 12 in the rotating process are thrown to the periphery along with the rotation of the separation disc and are discharged through the oil guide holes, and the technical problem that the materials fall into the bearing position through gaps between the separation disc 12 and the transmission shaft 2 to cause lubricating oil pollution is avoided.
In the second embodiment of the present application, as shown in fig. 3, the transmission shaft 2 is additionally provided with the wear-resistant layer 22, and the location of the wear-resistant layer 22 is the joint between the first framework shaft seal 8 and the second framework shaft seal 9 and the transmission shaft 2.
By adopting the technical scheme: due to friction during rotation of the drive shaft 2, leakage caused by rapid wear occurs when common materials are used, and therefore, the wear-resistant layer 22 is additionally arranged on the drive shaft 2, and the materials used for the first framework shaft seal 8 and the second framework shaft seal 9, which should be described, are also wear-resistant materials.
In the third embodiment of the present application, as shown in fig. 3, a sealing ring 24 is additionally installed at the connection between the inner wall of the separation disc 12 and the transmission shaft 2.
By adopting the technical scheme: the seal ring 24 is a static seal, so that leaked materials are prevented from flowing into the bearing 16 from the joint of the separation disc 12 and the transmission shaft, and pollution of lubricating oil at the bearing 16 is avoided.
The foregoing is merely a preferred embodiment of the utility model, and it should be noted that modifications could be made by those skilled in the art without departing from the principles of the utility model, which modifications would also be considered to be within the scope of the utility model.
Claims (5)
1. The utility model provides an annular water vapor seal structure, includes transmission shaft (2) that runs through bottom plate (1) to and be fixed in leak protection ring (3) of bottom plate (1) lower part, leak protection ring (3) are inserted to transmission shaft (2) lower extreme, its characterized in that: the lower part of the leakage-proof ring (3) is connected with the shaft head assembly (4), a wall groove (5) is formed in the inner wall of the leakage-proof ring (3), a gas ring (6) is arranged in the wall groove (5), gas holes (7) are formed in the gas ring (6), a first framework shaft seal (8) and a second framework shaft seal (9) are arranged on the upper side and the lower side of the gas ring (6), and the first framework shaft seal (8) and the second framework shaft seal (9) are attached to the transmission shaft (2);
an air inlet hole (10) is formed in the leakage-proof ring (3), the air inlet hole (10) corresponds to the air hole (7), and sealing air is introduced into the air inlet hole (10) from the outside through an air inlet pipe (11);
the transmission shaft (2) is provided with a separation disc (12), the separation disc (12) is positioned between the leakage-proof ring (3) and the shaft head assembly (4), and the separation disc (12) is provided with an L-shaped ring clamp (13) in an extending mode.
2. An annular water vapor seal structure as defined in claim 1 wherein: the shaft head assembly (4) comprises an outer wall (14), a cavity (15) is formed in the outer wall (14), a rotor bearing (16) is installed in the cavity (15), a transmission shaft (2) is inserted into the rotor bearing (16), the upper surface of the outer wall (14) is inwards inclined and extends to form a guide surface (17), the guide surface (17) is fixedly connected with a bottom plate (1) through a connecting plate (19), an oil guide hole (20) is formed in the connecting plate (19), an L-shaped drop is formed between the deepest part of the guide surface (17) and a ring table (21), and the inner wall of the ring clamp (13) rotates along the ring table (21).
3. An annular water vapor seal structure as defined in claim 1 wherein: the transmission shaft (2) is additionally provided with a wear-resistant layer (22), and the wear-resistant layer (22) is additionally arranged at the joint of the first framework shaft seal (8) and the second framework shaft seal (9) and the transmission shaft (2).
4. An annular water vapor seal structure as defined in claim 2 wherein: the bottom surface of the outer wall (14) is additionally provided with a lubrication interface (23), so that lubricating oil can be conveniently inserted into the cavity (15) for bearing lubrication.
5. An annular water vapor seal structure as defined in claim 2 wherein: a sealing ring (24) is additionally arranged at the joint of the inner wall of the separation disc (12) and the transmission shaft (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321593003.1U CN220204669U (en) | 2023-06-21 | 2023-06-21 | Annular water-gas sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321593003.1U CN220204669U (en) | 2023-06-21 | 2023-06-21 | Annular water-gas sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220204669U true CN220204669U (en) | 2023-12-19 |
Family
ID=89143065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321593003.1U Active CN220204669U (en) | 2023-06-21 | 2023-06-21 | Annular water-gas sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220204669U (en) |
-
2023
- 2023-06-21 CN CN202321593003.1U patent/CN220204669U/en active Active
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