CN220227832U - Liquid outlet end sealing device of precoating rotary drum filter - Google Patents
Liquid outlet end sealing device of precoating rotary drum filter Download PDFInfo
- Publication number
- CN220227832U CN220227832U CN202321870700.7U CN202321870700U CN220227832U CN 220227832 U CN220227832 U CN 220227832U CN 202321870700 U CN202321870700 U CN 202321870700U CN 220227832 U CN220227832 U CN 220227832U
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- CN
- China
- Prior art keywords
- liquid outlet
- precoating
- spindle
- main shaft
- drum filter
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 57
- 239000007788 liquid Substances 0.000 title claims abstract description 54
- 210000004907 gland Anatomy 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 abstract description 12
- 238000007906 compression Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 6
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 239000004677 Nylon Substances 0.000 description 6
- 229920001778 nylon Polymers 0.000 description 6
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model belongs to the technical field of vacuum rotary drums, and discloses a liquid outlet end sealing device of a precoating rotary drum filter, which comprises a bearing seat for installing a main shaft, wherein at least two lead screws are arranged on the bearing seat, mounting holes corresponding to the lead screws one by one are arranged on a liquid outlet, the lead screws penetrate through the mounting holes, springs are sleeved on the end parts of the lead screws penetrating through the mounting holes, compression nuts for compressing the springs are arranged on the end parts of the lead screws, a liquid outlet oil seal is connected with a main shaft head, the pressure of the liquid outlet compression sealing rings is regulated through the lead screws, the springs and the compression nuts, the sealing rings are prevented from being damaged due to overlarge pressure, the oil seal is simple in structure, good in sealing effect and long in service life, the sealing performance between the main shaft head and the liquid outlet is improved, and the liquid outlet is more stable.
Description
Technical Field
The utility model belongs to the technical field of vacuum rotary drums, and particularly relates to a liquid outlet end sealing device of a precoating rotary drum filter.
Background
The liquid outlet of the precoating type vacuum rotary drum filter in the prior art is rotationally connected with the spindle nose, and the interface of the precoating type vacuum rotary drum filter is required to be sealed so as to ensure that liquid cannot overflow, and the existing sealing structure is generally sealed by adopting a sealing ring, so that the sealing effect is poor.
For example, 2018.08.07, a planar contact type rotary filtrate outlet device named precoated vacuum drum filter, chinese patent application No. 201721647105.1, discloses sealing the junction of the liquid outlet and the shaft head with an O-ring, and compressing the junction of the liquid outlet and the shaft head with a screw and a compression spring. However, the sealing effect of the sealing ring is limited, and the pressure of the screw and the compression spring positioned on one side of the liquid outlet and the shaft head on the interface is unbalanced, so that liquid leakage is easy to occur.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a liquid outlet end sealing device of a precoating rotary drum filter, which can improve the tightness between a spindle head and a liquid outlet, has long service life of an oil seal and ensures that the liquid outlet of the liquid outlet is more stable.
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model provides a rotary drum filter liquid end sealing device of precoating, includes the bearing frame of installation main shaft, one side of bearing frame is provided with the liquid outlet, is provided with two at least lead screws on the bearing frame, is provided with the mounting hole with the lead screw one-to-one on the liquid outlet, and the lead screw passes the mounting hole, and the cover is equipped with the spring on the tip of lead screw, and the tip of lead screw is provided with compresses tightly the gland nut on the liquid outlet with the spring, is provided with the oil blanket between the spindle nose of liquid outlet and main shaft.
The following is a further optimization of the above technical solution according to the present utility model:
the liquid outlet is provided with the sealing ring with the spindle nose junction of main shaft, and the spindle nose tip cover of main shaft is equipped with the oil blanket, and the sealing ring is close to the spindle nose one side of main shaft and encircles the oil blanket outside and be provided with the ring protruding, and the ring protruding is close to fixedly connected with supporting ring on the side of bearing frame.
Further optimizing: the liquid outlet is provided with the mounting groove with the sealing ring junction, and the one end embedding of sealing ring is in the mounting groove.
Further optimizing: the spindle head of the spindle is rotationally connected with the sealing ring, a limiting groove is formed in the joint of the sealing ring and the spindle head of the spindle, and the end part of the spindle head of the spindle is embedded into the limiting groove.
Further optimizing: four lead screws are arranged on the bearing seat.
Further optimizing: the liquid outlet comprises a pipe body and a mounting part, the mounting part is arranged at one end of the pipe body, which is close to the bearing seat, and the mounting hole and the mounting groove are arranged on the mounting part.
By adopting the technical scheme, the pressure of the liquid outlet compressing sealing ring is regulated through the screw rod, the spring and the compressing nut, the sealing ring is prevented from being damaged due to overlarge pressure, the oil seal is simple in structure, good in sealing effect and long in service life, the sealing performance between the spindle head of the spindle and the liquid outlet is improved, and the liquid outlet is more stable.
The utility model will be further described with reference to the drawings and examples.
Drawings
FIG. 1 is a perspective view of an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of an embodiment of the present utility model
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is a schematic structural diagram of a liquid outlet according to an embodiment of the present utility model.
In the figure: 1-a main shaft; 2-bearing seats; 3-a liquid outlet; 31-a tube body; 32-a mounting portion; 4-a lead screw; 5-a spring; 6-compressing the nut; 7-a sealing ring; 71-ring bulge; 8-oil sealing; 9-support ring.
Detailed Description
As shown in fig. 1-4, a liquid outlet end sealing device of a precoating rotary drum filter comprises a bearing seat 2 for installing a main shaft 1, wherein a liquid outlet 3 is formed in one side of the bearing seat 2, at least two lead screws 4 are arranged on the bearing seat 2, mounting holes corresponding to the lead screws 4 one by one are formed in the liquid outlet 3, the lead screws 4 penetrate through the mounting holes, springs 5 are sleeved on the end parts of the lead screws 4 penetrating through the mounting holes, compression nuts 6 for compressing the springs 5 are arranged on the end parts of the lead screws 4, and an oil seal 8 is arranged between the liquid outlet 3 and a shaft head of the main shaft 1.
The liquid outlet 3 is provided with sealing ring 7 with the spindle 1's spindle nose junction, and spindle 1's spindle nose tip cover is equipped with oil blanket 8, and sealing ring 7 is close to spindle 1's spindle nose one side encircles the oil blanket 8 outside is provided with the protruding 71 of ring, and the protruding 71 of ring is close to fixedly connected with supporting ring 9 on the side of bearing frame 2.
The liquid outlet 3 is provided with the mounting groove with sealing ring 7 junction, and sealing ring 7's one end embedding mounting groove.
The spindle head of the spindle 1 is rotationally connected with a sealing ring 7, a limiting groove is formed in the joint of the sealing ring 7 and the spindle head of the spindle 1, and the end part of the spindle head of the spindle 1 is embedded into the limiting groove.
Four lead screws 4 are arranged on the bearing seat 2. The liquid outlet 3 comprises a pipe body 31 and a mounting part 32, the mounting part 32 is arranged at one end of the pipe body 31, which is close to the bearing seat 2, and the mounting hole and the mounting groove are arranged on the mounting part 32.
The mounting portion 32 includes an annular connecting portion and four pressing portions protruding in the radial direction of the tube body 31, and mounting holes are provided in the pressing portions. The end part of the screw rod 4 penetrating out of the compression part is provided with a spring 5, the spring 5 is compressed on the compression part by a compression nut 6, and the compression force of the spring 5 can be adjusted by adjusting the position of the compression nut 6, so that the mounting part 32 is compressed on the sealing ring 7 and the spindle head of the spindle 1, and liquid leakage is prevented.
The sealing ring 7 is an oily nylon sealing ring, the oily nylon sealing ring is high in strength, good in toughness and long in service life, the oily nylon sealing ring 7 serving as the sealing ring with the adjustable compression strength is not easy to damage, and after the elasticity is weakened, the oily nylon sealing ring can be continuously compressed, can be continuously used, and is better in performance.
The sealing effect of the oil seal 8 is better, the volume is small, the oil nylon sealing ring 7 is wear-resistant self-lubricating casting oil nylon, a certain lubricating effect is achieved in the rotating contact with the spindle head of the main shaft 1, and in addition, the lubricating effect of the oil seal 8 is good in the whole structure sealing effect, the leakage condition is not easy to occur, and the discharge of the liquid outlet 3 is stable.
Alterations, modifications, substitutions and variations of the embodiments herein will be apparent to those of ordinary skill in the art in light of the teachings of the present utility model without departing from the spirit and principles of the utility model.
Claims (6)
1. The utility model provides a rotary drum filter play liquid end sealing device of precoating, includes bearing frame (2) of installation main shaft (1), its characterized in that: one side of bearing frame (2) is provided with liquid outlet (3), is provided with two at least lead screws (4) on bearing frame (2), is provided with the mounting hole with lead screw (4) one-to-one on liquid outlet (3), and lead screw (4) pass the mounting hole, and the cover is equipped with spring (5) on the tip of lead screw (4), and the tip of lead screw (4) is provided with compresses tightly gland nut (6) on liquid outlet (3) with spring (5), is provided with oil blanket (8) between the spindle nose of liquid outlet (3) and main shaft (1).
2. The liquid outlet end sealing device of the precoating rotary drum filter according to claim 1, wherein: the liquid outlet (3) is provided with sealing ring (7) with the spindle nose junction of main shaft (1), and the spindle nose tip cover of main shaft (1) is equipped with oil blanket (8), and the spindle nose one side that sealing ring (7) are close to main shaft (1) encircles the oil blanket (8) outside and is provided with annular bulge (71), and annular bulge (71) is close to on the side of bearing frame (2) fixedly connected with supporting ring (9).
3. The liquid outlet end sealing device of the precoating rotary drum filter according to claim 2, wherein: the liquid outlet (3) is provided with a mounting groove at the joint of the sealing ring (7), and one end of the sealing ring (7) is embedded into the mounting groove.
4. A precoating drum filter liquid outlet end sealing device as defined in claim 3, wherein: the spindle head of the spindle (1) is rotationally connected with the sealing ring (7), a limiting groove is formed in the joint of the sealing ring (7) and the spindle head of the spindle (1), and the end part of the spindle head of the spindle (1) is embedded into the limiting groove.
5. The liquid outlet end sealing device of the precoating rotary drum filter as claimed in claim 4, wherein: four lead screws (4) are arranged on the bearing seat (2).
6. The liquid outlet end sealing device of the precoating rotary drum filter as claimed in claim 5, wherein: the liquid outlet (3) comprises a pipe body (31) and a mounting part (32), the mounting part (32) is arranged at one end, close to the bearing seat (2), of the pipe body (31), and the mounting hole and the mounting groove are formed in the mounting part (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321870700.7U CN220227832U (en) | 2023-07-17 | 2023-07-17 | Liquid outlet end sealing device of precoating rotary drum filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321870700.7U CN220227832U (en) | 2023-07-17 | 2023-07-17 | Liquid outlet end sealing device of precoating rotary drum filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220227832U true CN220227832U (en) | 2023-12-22 |
Family
ID=89189062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321870700.7U Active CN220227832U (en) | 2023-07-17 | 2023-07-17 | Liquid outlet end sealing device of precoating rotary drum filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220227832U (en) |
-
2023
- 2023-07-17 CN CN202321870700.7U patent/CN220227832U/en active Active
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| GR01 | Patent grant |