CN220980318U - Mechanical sealing structure of stirring shaft of reaction kettle - Google Patents
Mechanical sealing structure of stirring shaft of reaction kettle Download PDFInfo
- Publication number
- CN220980318U CN220980318U CN202322473119.8U CN202322473119U CN220980318U CN 220980318 U CN220980318 U CN 220980318U CN 202322473119 U CN202322473119 U CN 202322473119U CN 220980318 U CN220980318 U CN 220980318U
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- stirring shaft
- connecting seat
- rubber ring
- disc
- wall
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- 238000007789 sealing Methods 0.000 title claims abstract description 79
- 238000003756 stirring Methods 0.000 title claims abstract description 61
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 40
- 230000000149 penetrating effect Effects 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- Accessories For Mixers (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model discloses a mechanical sealing structure of a stirring shaft of a reaction kettle, which relates to the field of stirring shaft connection sealing and comprises a flange connecting disc used for being installed and connected at the inlet end of the reaction kettle, wherein one end of the flange connecting disc, which is close to the reaction kettle, is connected with a connecting seat which can be extended and placed in the reaction kettle, the connecting seat is arranged in a hollow mode, the bottom end of the connecting seat is provided with a passage port for the stirring shaft to pass through, the bottom end of the hollow interior of the connecting seat is provided with a first sealing rubber ring, one side, which is far away from the bottom end of the hollow interior of the connecting seat, of the first sealing rubber ring is provided with a bearing, the outer ring of the bearing is tightly contacted with the outer wall of the hollow interior of the connecting seat and is fixedly connected with the outer wall of the hollow interior of the connecting seat, one end of the stirring shaft passes through the passage port at the bottom end of the connecting seat and passes through the inner ring of the first sealing rubber ring and the bearing, and the stirring shaft is rotatably connected with the bearing; one end of the flange connecting disc, which is far away from the connecting seat, is provided with a further sealed connecting structure.
Description
Technical Field
The utility model relates to the field of stirring shaft connection sealing, in particular to a mechanical sealing structure of a stirring shaft of a reaction kettle.
Background
In some chemical reaction processes needing sealed stirring, the stirring shaft needs to penetrate into the reaction kettle to be sealed and positioned, so that the stirring shaft can be ensured to be smoothly stirred, the isolation between the reaction kettle and the outside is realized, and the reaction is prevented from being influenced by the entering of the outside gas. In many sealing modes in the prior art, a sealing rubber ring is directly arranged at a penetrating position for sealing, and the sealing rubber ring is damaged along with the rotation of a stirring shaft, so that the sealing rubber ring needs to be replaced frequently; the sealing rubber ring is arranged at the penetrating position, the stirring shaft can not be positioned, and a structure for positioning the stirring shaft is required to be newly arranged, so that the later processing and maintenance cost is increased intangibly.
Disclosure of utility model
The utility model aims to provide a mechanical sealing structure of a stirring shaft of a reaction kettle, which is simple in structure and low in cost, and can achieve the double effects of positioning and sealing at the position where the stirring shaft enters the reaction kettle, so that the purpose of later maintenance and replacement is reduced, and the sealing effect of a penetrating position is further ensured.
The aim of the utility model is realized by the following technical scheme:
The utility model provides a mechanical seal structure of reation kettle (mixing) shaft, includes the flange connection pad that is used for installing and connects at reation kettle entering end, the flange connection pad is close to the one end of reation kettle and is connected with the connecting seat that can extend and arrange in reation kettle inside, the connecting seat is hollow to be set up, the passage way that is used for the (mixing) shaft to pass through is seted up to the bottom of connecting seat, the hollow inside bottom of connecting seat is provided with first sealed rubber circle, one side that first sealed rubber circle kept away from the hollow inside bottom of connecting seat is provided with the bearing, the outer lane of bearing and the outer wall in the hollow inside of connecting seat in close contact and with the outer wall rigid coupling in the hollow inside of connecting seat, the one end of (mixing) shaft passes from the passage way of connecting seat bottom and passes from first sealed rubber circle and the inner circle of bearing, and the (mixing) shaft is rotatable with the bearing; one end of the flange connecting disc, which is far away from the connecting seat, is provided with a further sealed connecting structure.
Preferably, the connection structure includes sealed lid, the flange connection pad is kept away from the one end of connecting seat and is connected with hollow being provided with spacing sleeve, spacing sleeve and the coaxial setting of access, the sealed one end that is close to spacing sleeve hollow cavity of lid is connected with the boss, the boss link up with sealed lid and has been seted up the passageway that is used for the (mixing) shaft to pass through, and (mixing) shaft and passageway rotatable adaptation, the boss extends and arranges in spacing sleeve's hollow cavity in, and with spacing sleeve's inner wall in close contact with of hollow cavity.
Preferably, a second sealing rubber ring is arranged in the limit sleeve, and the second sealing rubber ring is used for being arranged on the stirring shaft in a penetrating manner;
The one end that flange connection pad was kept away from to the second sealed rubber circle is provided with movable structure, movable structure is used for promoting the second sealed rubber circle and lets and the second sealed rubber circle supports the terminal surface of the bearing that sets up in the connecting seat along the (mixing) shaft outer wall removal under the exogenic action.
Preferably, the movable structure comprises a movable disc, wherein the movable disc is arranged in the limit sleeve and is in sliding fit with the inner wall of the limit sleeve, and the movable disc is used for driving the second sealing rubber ring to abut against the top end surface of the bearing;
One end of the movable disc, which is close to the second sealing rubber ring, is connected with a limiting check ring, and a channel for the stirring shaft to pass through is formed between the limiting check ring and the movable disc;
The spacing retaining ring is movable to extend to be arranged in the space between second sealed rubber circle and the spacing sleeve inner wall, spacing retaining ring's inner wall and the outer wall in close contact with of second sealed rubber circle.
Preferably, the outer wall of the limit sleeve is provided with a connecting disc, and the sealing cover is detachably connected with the connecting disc through bolts.
The beneficial effects of the utility model are as follows: the sealing structure is used for carrying out sealing positioning on the position of the stirring shaft penetrating into the reaction kettle, so that the stirring shaft is ensured to be capable of smoothly stirring in the reaction kettle, and sealing isolation is realized. The sealing structure comprises a flange connecting disc which is used for being installed and connected at the inlet end of the reaction kettle in a specific structural design, and the sealing structure is installed and fixed at a design position through the flange connecting disc; meanwhile, one end of the flange connecting disc, which is close to the reaction kettle, is connected with a connecting seat which can be arranged in the reaction kettle in an extending way, the connecting seat is hollow, the bottom end of the connecting seat is provided with a passage port for a stirring shaft to pass through, the hollow inner bottom end of the connecting seat is provided with a first sealing rubber ring, one side, which is far away from the hollow inner bottom end of the connecting seat, of the first sealing rubber ring is provided with a bearing, the outer ring of the bearing is tightly contacted with the outer wall of the hollow inner part of the connecting seat and fixedly connected with the outer wall of the hollow inner part of the connecting seat, one end of the stirring shaft passes through the passage port at the bottom end of the connecting seat and passes through the first sealing rubber ring and the inner ring of the bearing, and the stirring shaft is rotatably connected with the bearing; the stirring shaft passes through the reaction kettle through the bearing rotation of design, enters into inside the reaction kettle, stirs the inside reactant of reaction kettle, designs on the cooperation and is equipped with further sealed connection structure in the flange connection pad one end of keeping away from the connecting seat, carries out "sealed location" to the stirring shaft to reach the effect of design use. From this seal structure design, this seal structure not only simple structure, the cost is cheap, but also can get into the dual effect of location and seal in the (mixing) shaft department of getting into reation kettle, reduces the purpose of later stage maintenance change, further guarantees the sealed effect of penetrating the department.
Drawings
FIG. 1 is an exploded schematic view of a structural part of a mechanical seal structure of a stirring shaft of a reaction kettle;
FIG. 2 is a schematic diagram showing the connection effect of a mechanical seal structure of a stirring shaft of a reaction kettle;
FIG. 3 is a schematic view of section A-A of FIG. 2 in accordance with the present utility model;
In the figure, a 1-flange connection disc, a 2-connection seat, a 3-limit sleeve, a 4-sealing cover, a 21-first sealing rubber ring, a 22-bearing, a 31-second sealing rubber ring, a 32-movable disc and a 41-boss.
Detailed Description
For the purpose of making the technical solution and advantages of the present utility model more apparent, the present utility model will be described in further detail with reference to the accompanying drawings and examples. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the utility model, i.e., the embodiments described are merely some, but not all, of the embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model. It is noted that relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
As shown in fig. 1 to 3, a mechanical sealing structure of a stirring shaft of a reaction kettle is used for performing sealing positioning on the position where the stirring shaft penetrates into the reaction kettle, so as to ensure that the stirring shaft can smoothly stir in the reaction kettle and realize sealing isolation. The sealing structure comprises a flange connection disc 1 used for being installed and connected at the inlet end of a reaction kettle, one end, close to the reaction kettle, of the flange connection disc 1 is connected with a connection seat 2 which can be extended and placed in the reaction kettle, the connection seat 2 is arranged in a hollow mode, a passage port through which a stirring shaft passes is formed in the bottom end of the connection seat 2, a first sealing rubber ring 21 is arranged at the bottom end of the hollow interior of the connection seat 2, a bearing 22 is arranged on one side, far away from the bottom end of the hollow interior of the connection seat 2, of the first sealing rubber ring 21, an outer ring of the bearing 22 is tightly contacted with the outer wall of the hollow interior of the connection seat 2 and fixedly connected with the outer wall of the hollow interior of the connection seat 2, one end of the stirring shaft passes through the passage port at the bottom end of the connection seat 2 and passes through the inner ring of the first sealing rubber ring 21 and the bearing 22, and the stirring shaft is rotatably connected with the bearing 22; the stirring shaft passes through the reaction kettle through the bearing rotation of design, enters into inside the reaction kettle, stirs the inside reactant of reaction kettle, designs in the cooperation and is equipped with further sealed connection structure in flange connection pad 1 one end of keeping away from connecting seat 2, carries out "sealed location" to the stirring shaft to reach the effect of design use.
Further, in a specific embodiment, the sealing structure comprises a flange connection disc 1 for being installed and connected at an inlet end of a reaction kettle in an overall structural design, one end, close to the reaction kettle, of the flange connection disc 1 is connected with a connection seat 2 which can be extended and placed in the reaction kettle, the connection seat 2 is arranged in a hollow mode, a passage port for a stirring shaft to pass through is formed in the bottom end of the connection seat 2, a first sealing rubber ring 21 is arranged at the bottom end of the hollow interior of the connection seat 2, a bearing 22 is arranged on one side, far away from the bottom end of the hollow interior of the connection seat 2, of the first sealing rubber ring 21, an outer ring of the bearing 22 is in tight contact with the outer wall of the hollow interior of the connection seat 2 and is fixedly connected with the outer wall of the hollow interior of the connection seat 2, one end of the stirring shaft penetrates through the passage port of the bottom end of the connection seat 2 and penetrates through an inner ring of the first sealing rubber ring 21 and the bearing 22, and the stirring shaft is in rotatable connection with the bearing 22; one end of the flange connection disc 1 far away from the connection seat 2 is provided with a further sealed connection structure. The flange connection disc 1 of the sealing structure is installed and connected at a designated position of the reaction kettle design, the stirring shaft penetrates through a passage opening at the bottom end of the connection seat 2 of the sealing structure, penetrates through the inner ring of the first sealing rubber ring 21 and the bearing 22, penetrates through the designed connection structure, and is connected with the designed flange connection disc 1, so that the sealing positioning of the stirring shaft is realized.
Further, in implementation, the connecting structure comprises a sealing cover 4, one end of the flange connection disc 1, which is far away from the connecting seat 2, is connected with a hollow limiting sleeve 3, the limiting sleeve 3 and a channel port are coaxially arranged, one end of the sealing cover 4, which is close to a hollow cavity of the limiting sleeve 3, is connected with a boss 41, a channel for a stirring shaft to pass through is formed by the boss 41 and the sealing cover 4 in a penetrating way, the stirring shaft is rotatably matched with the channel, and the boss 41 is arranged in the hollow cavity of the limiting sleeve 3 in an extending way and is in tight contact with the inner wall of the hollow cavity of the limiting sleeve 3; meanwhile, a second sealing rubber ring 31 is arranged in the limit sleeve 3, and the second sealing rubber ring 31 is used for being arranged on the stirring shaft in a penetrating way; the one end that flange connection pad 1 was kept away from to second sealed rubber ring 31 is provided with the activity structure, and the activity structure is used for promoting second sealed rubber ring 31 and lets and second sealed rubber ring 31 support the top face of bearing 22 that sets up in the connecting seat 2 along the (mixing) shaft outer wall removal under the exogenic action. The movable structure comprises a movable disc 32, wherein the movable disc 32 is arranged in the limit sleeve 3 and is in sliding fit with the inner wall of the limit sleeve 3, and the movable disc 32 is used for driving the second sealing rubber ring 31 to abut against the top end surface of the bearing 22; one end of the movable disc 32, which is close to the second sealing rubber ring 31, is connected with a limiting check ring, and a channel for a stirring shaft to pass through is formed between the limiting check ring and the movable disc 32; the limit retainer ring is movably arranged in a gap between the second seal rubber ring 31 and the inner wall of the limit sleeve 3 in an extending way, and the inner wall of the limit retainer ring is tightly contacted with the outer wall of the second seal rubber ring 31; the outer wall of the limit sleeve 3 is provided with a connecting disc, and the sealing cover 4 is detachably connected with the connecting disc through bolts. One end of the stirring shaft passes through the second sealing rubber ring 31 of the sealing structure and simultaneously passes through the movable disc 32, the sealing cover 4 is arranged on the stirring shaft in a penetrating way, the sealing cover 4 moves towards one end of the flange connection disc 1, so that the boss 41, which is close to one end of the flange connection disc 1, of the sealing cover 4 moves along the hollow cavity of the limit sleeve 3, the movable disc 32 is pushed to drive the second sealing rubber ring 31 to abut against the top end face of the bearing 22, then the sealing cover 4 is connected with the outer wall of the limit sleeve 3 through bolts, the connection disc is further sealed and connected, the sealing performance of the sealing structure is guaranteed, and the effect of design and use is achieved. From this seal structure design, this seal structure not only simple structure, the cost is cheap, but also can get into the dual effect of location and seal in the (mixing) shaft department of getting into reation kettle, reduces the purpose of later stage maintenance change, further guarantees the sealed effect of penetrating the department.
The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the specific details of the embodiments in the above description, and various simple modifications can be made to the technical solutions of the present utility model within the scope of the technical concept of the present utility model, and all the simple modifications belong to the protection scope of the present utility model. In addition, the specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further. Furthermore, the foregoing description of the preferred embodiment of the utility model is provided for the purpose of limiting the utility model, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model; meanwhile, any combination of various embodiments of the present utility model can be made without departing from the spirit of the present utility model, which should also be regarded as the disclosure of the present utility model.
Claims (5)
1. The utility model provides a mechanical seal structure of reation kettle (mixing) shaft, its characterized in that, including being used for installing and connecting flange connection pad (1) at reation kettle entering end, flange connection pad (1) is close to the inside connecting seat (2) of reation kettle of being connected with of extension placement inside the reation kettle, connecting seat (2) hollow setting, the access hole that is used for the (mixing) shaft to pass through is offered to the bottom of connecting seat (2), the inside bottom of hollow of connecting seat (2) is provided with first sealed rubber circle (21), one side that the hollow inside bottom of connecting seat (2) was kept away from to first sealed rubber circle (21) is provided with bearing (22), the outer lane of bearing (22) and the outside wall in the hollow inside of connecting seat (2) in close contact and with connecting seat (2) the outside wall rigid coupling, and the one end of (mixing) passes from the access hole of connecting seat (2) bottom and passes from first sealed rubber circle (21) and the inner circle of bearing (22), and the rotatable connection of (22) is followed to the stirring shaft;
One end of the flange connection disc (1) far away from the connection seat (2) is provided with a further sealed connection structure.
2. The mechanical seal structure of a stirring shaft of a reaction kettle according to claim 1, wherein the connecting structure comprises a sealing cover (4), one end, far away from the connecting seat (2), of the flange connecting disc (1) is connected with a hollow limiting sleeve (3), the limiting sleeve (3) is coaxially arranged with a channel port, one end, close to a hollow cavity of the limiting sleeve (3), of the sealing cover (4) is connected with a boss (41), a channel for the stirring shaft to pass through is formed by the boss (41) and the sealing cover (4), the stirring shaft is rotatably matched with the channel, and the boss (41) extends into the hollow cavity of the limiting sleeve (3) and is in tight contact with the inner wall of the hollow cavity of the limiting sleeve (3).
3. The mechanical seal structure of the stirring shaft of the reaction kettle according to claim 2, wherein a second sealing rubber ring (31) is arranged in the limit sleeve (3), and the second sealing rubber ring (31) is used for being arranged on the stirring shaft in a penetrating way;
one end of the second sealing rubber ring (31) far away from the flange connection disc (1) is provided with a movable structure, and the movable structure is used for pushing the second sealing rubber ring (31) to move along the outer wall of the stirring shaft under the action of external force so that the second sealing rubber ring (31) abuts against the top end face of the bearing (22) arranged in the connection seat (2).
4. A mechanical seal structure of a stirring shaft of a reaction kettle according to claim 3, wherein the movable structure comprises a movable disc (32), the movable disc (32) is arranged in a limit sleeve (3) and is in sliding fit with the inner wall of the limit sleeve (3), and the movable disc (32) is used for driving a second sealing rubber ring (31) to abut against the top end face of a bearing (22);
One end of the movable disc (32) close to the second sealing rubber ring (31) is connected with a limiting check ring, and a channel for a stirring shaft to pass through is formed between the limiting check ring and the movable disc (32);
The spacing retaining ring is movable to extend to be arranged in the space between the second sealing rubber ring (31) and the inner wall of the spacing sleeve (3), and the inner wall of the spacing retaining ring is tightly contacted with the outer wall of the second sealing rubber ring (31).
5. The mechanical seal structure of the stirring shaft of the reaction kettle according to claim 4, wherein the outer wall of the limit sleeve (3) is provided with a connecting disc, and the sealing cover (4) is detachably connected with the connecting disc through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322473119.8U CN220980318U (en) | 2023-09-12 | 2023-09-12 | Mechanical sealing structure of stirring shaft of reaction kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322473119.8U CN220980318U (en) | 2023-09-12 | 2023-09-12 | Mechanical sealing structure of stirring shaft of reaction kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220980318U true CN220980318U (en) | 2024-05-17 |
Family
ID=91062654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322473119.8U Active CN220980318U (en) | 2023-09-12 | 2023-09-12 | Mechanical sealing structure of stirring shaft of reaction kettle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220980318U (en) |
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2023
- 2023-09-12 CN CN202322473119.8U patent/CN220980318U/en active Active
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