CN220320321U - Main shaft sealing device for stirrer - Google Patents
Main shaft sealing device for stirrer Download PDFInfo
- Publication number
- CN220320321U CN220320321U CN202322042417.1U CN202322042417U CN220320321U CN 220320321 U CN220320321 U CN 220320321U CN 202322042417 U CN202322042417 U CN 202322042417U CN 220320321 U CN220320321 U CN 220320321U
- Authority
- CN
- China
- Prior art keywords
- seal
- sleeve
- oil
- main
- main seal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 15
- 239000003921 oil Substances 0.000 claims abstract description 55
- 239000010687 lubricating oil Substances 0.000 claims abstract description 17
- 238000012856 packing Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 7
- 239000000428 dust Substances 0.000 description 6
- 239000002002 slurry Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Sealing Devices (AREA)
Abstract
The utility model provides a main shaft sealing device for a stirrer, which comprises a stirrer shell, wherein a main shaft is arranged on the stirrer shell, a main seal is sleeved on the main shaft, an oil cup is arranged at the upper end of the main seal, a sleeve is sleeved on the main shaft, the inner side of the sleeve is propped against the main seal, a gap is reserved between the outer side of the sleeve and the inner side of the main seal, an auxiliary seal is sleeved on the outer side of the sleeve, the outer side of the auxiliary seal is in contact connection with the inner side of the main seal, the oil cup is fixed on the main seal, an oil filling hole is reserved on the main seal, lubricating oil in the oil cup can flow into the gap, and the sleeve is sleeved on an oil distributing ring.
Description
Technical Field
The utility model relates to the technical field of main shaft sealing of a stirrer, in particular to a main shaft sealing device for a stirrer.
Background
Because of the particularity of the stirrer in the use process, the components such as raw materials and materials of products processed and treated by the stirrer are generally complex, and the internal moving parts are easily affected under the treatment working condition to cause blockage, abrasion, leakage and the like of part parts, especially the sealing of a main shaft, if the main shaft is not sealed, the materials enter the rotating part of the main shaft, so that the main shaft is seriously abraded, and the service life of equipment is greatly reduced. In the prior art, the main shaft is generally lubricated by adopting a lubricating oil mode, and is provided with packing, a gland and other parts for sealing, so that external materials can be prevented from entering the main shaft seal from the outer side, but the material dust in the stirrer easily enters the main shaft seal from the inner side.
The patent publication number is CN217234400U, the patent name is a disclosure material of a main shaft sealing structure of a concrete mixer, and particularly discloses the main shaft sealing structure of the concrete mixer, which comprises a main shaft arranged in a tank body; the outer wall of the tank body is provided with a bearing seat; the main shaft penetrates through the mounting hole of the side wall of the tank body and then is connected with the bearing hole of the bearing seat; the bearing seat is provided with a liquid inlet channel communicated with the bearing hole; the other end of the liquid inlet channel is connected with the liquid storage tank; the side wall of the tank body is provided with a hydraulic cavity communicated with the mounting hole; the main shaft passes through the hydraulic cavity; the outer wall of the main shaft is provided with a spiral groove; one end of the spiral groove is communicated with the liquid inlet channel, and the other end of the spiral groove is communicated with the hydraulic cavity; the bottom of the hydraulic cavity is communicated with a drainage channel; the drainage channel is communicated with the collecting box. The liquid in the liquid storage tank, generally water or oil, directly flows into the spiral groove of the main shaft, and in the rotating process of the main shaft, the liquid in the spiral groove flows into the hydraulic cavity to generate certain pressure, so that the pressure of concrete slurry entering from a gap between the main shaft and the mounting hole is counteracted, the concrete slurry is prevented from entering the gap, and the main shaft and the bearing are prevented from being damaged by the concrete slurry and worn; at the same time, the concrete slurry partially invaded into the hydraulic chamber can flow into the collecting tank through the drainage channel.
It is known from analysis of the disclosure that, although functioning as a spindle seal, the outside concrete slurry can be encountered and the spindle seal is achieved by a pressure differential. The disadvantage is that the structure is more complicated and the dust on the inner side is not easy to prevent.
Disclosure of Invention
In view of the above, the present utility model provides a spindle sealing device for a mixer, which not only can prevent the damage of internal materials to a spindle, but also has a simple structure and convenient installation.
In order to solve the technical problems, the utility model provides a main shaft sealing device for a stirrer, which comprises a stirrer shell, wherein a main shaft is arranged on the stirrer shell, a main seal is sleeved on the main shaft, an oil cup is arranged at the upper end of the main seal, a sleeve is sleeved on the main shaft, the inner side of the sleeve is propped against the main seal, a gap is reserved between the outer side of the sleeve and the inner side of the main seal, an auxiliary seal is sleeved on the outer side of the sleeve, the outer side of the auxiliary seal is in contact connection with the inner side of the main seal, the oil cup is fixed on the main seal, an oil filling hole is reserved on the main seal, lubricating oil in the oil cup can flow into the gap, an oil distributing ring is sleeved on the sleeve, and the outer side of the oil distributing ring is in contact connection with the inner side of the main seal.
Further, the oil distributing ring is arranged on the side face of the oil filling hole and near one side of the stirrer shell and is used for separating materials from lubricating oil.
Further, the outer side face of the sleeve is provided with an inward protruding rib, the oil distributing ring is provided with a groove, and the protruding rib is in butt joint with the groove and used for fixing the oil distributing ring.
Furthermore, the sleeve is also sleeved with a packing, and the outer side surface of the packing is contacted with the inner side surface of the main seal.
Further, one end of the main seal is connected with the outer side face of the mixer shell through bolts, and the other end of the main seal is fixed with the auxiliary seal through bolts.
The technical scheme of the utility model has the following beneficial effects:
1. the main shaft can be prevented from being damaged by internal materials, dust is not easy to enter the lubricating oil area by arranging the oil distributing ring, the lubricating oil is not polluted, and the service life of the main shaft is prolonged.
2. Simple structure, simple to operate establishes the mounting means on the sleeve pipe through overlapping step by step, and simple easy operation.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a cross-sectional view of fig. 1 along the spindle axis.
FIG. 3 is a schematic structural view of an oil distributing ring;
in the figure: 1. a mixer housing; 2. a main shaft; 3. a main seal; 4. an oil filling cup; 5. auxiliary sealing; 6. a sleeve; 7. oil distributing ring; 8. packing; 9. an oil filling hole; 10. a protruding rib; 11. a groove.
Description of the embodiments
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1 to 3 of the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which are obtained by a person skilled in the art based on the described embodiments of the utility model, fall within the scope of protection of the utility model.
As shown in fig. 1-3:
examples
The utility model provides a main shaft 2 sealing device for mixer, includes mixer casing 1, be provided with main shaft 2 on the mixer casing 1, the cover is equipped with main seal 3 on the main shaft 2, the upper end of main seal 3 is provided with the oil cup, still the cover is equipped with sleeve pipe 6 on the main shaft 2, the inboard of sleeve pipe 6 supports main seal 3, leave the space between the outside of sleeve pipe 6 and the inboard of main seal 3, the outside cover of sleeve pipe 6 is equipped with vice seal 5, the lateral surface of vice seal 5 is connected with the medial surface contact of main seal 3, the oil cup is fixed on main seal 3, and leaves oil filler point 9 on the main seal 3, and the lubricating oil in the oil cup can flow into the space, sleeve pipe 6 still overlaps to be established at having branch oil ring 7, the lateral surface of branch oil ring 7 is connected with the medial surface contact of main seal 3.
In this embodiment, the main shaft 2 is installed on the mixer housing 1, the main seal 3 is sleeved on the main shaft 2, an oil cup is fixedly arranged on the main seal 3, lubricating oil is contained in the oil cup, the lubricating oil can be added into the main seal 3, a sleeve 6 is further arranged on the main shaft 2, the inner side end surface of the sleeve 6 contacts the main seal 3 and abuts against the main seal 3, a gap is reserved between the outer side of the sleeve 6 and the main seal 3 for placing lubricating oil, then an auxiliary seal 5 is arranged on the sleeve 6, the auxiliary seal 5, the sleeve 6 and the main seal 3 form an area, packing 8 can be placed, lubricating oil can be contained in the main seal, and in order to prevent dust materials in the mixer from entering the main shaft 2, an oil distributing ring 7 is arranged between the inner side surface of the main seal 3 and the outer side surface of the sleeve 6, the lubricating oil is separated from the mixer, and pollution is avoided.
Examples
The oil distributing ring 7 is arranged at the side of the oil filling hole 9 near one side of the mixer housing 1 and is used for separating materials from lubricating oil.
In the present embodiment, the oil distributing ring 7 is disposed on one side of the oil filling hole 9, specifically, on the side near the mixer housing 1, unlike the above embodiment, so that dust inside the mixer can be effectively prevented from entering the main shaft 2 for sealing, and pollution is caused to the lubricating oil.
Examples
The outer side surface of the sleeve 6 is provided with an inward protruding rib 10, the oil distributing ring 7 is provided with a groove 11, and the protruding rib 10 is in butt joint with the groove 11 and used for fixing the oil distributing ring 7.
In this embodiment, in order to further fix the oil distributing ring 7, a protruding rib 10 is provided on the outer side surface of the sleeve 6, and is in an annular structure and fixedly connected with the sleeve 6, a groove 11 is provided on the oil distributing ring 7, and the groove 11 and the protruding rib 10 are matched together to play a role in fixing the oil distributing ring 7.
Examples
The sleeve 6 is also sleeved with a packing 8, and the outer side surface of the packing 8 is in contact with the inner side surface of the main seal 3.
In this embodiment, a packing 8 is further provided on the sleeve 6, and the packing 8 is provided in the space, unlike the above-described embodiment.
Examples
One end of the main seal 3 is connected with the outer side surface of the mixer shell 1 through bolts, and the other end of the main seal is fixed with the auxiliary seal 5 through bolts.
In this embodiment, one end of the main seal 3 is connected to the mixer housing 1, and the other end is connected to the sub seal 5, unlike the above embodiment.
The working method (or working principle) of the utility model is as follows:
when the technology works, the sleeve 6 is designed, the protruding ribs 10 are arranged on the sleeve 6, the sleeve 6 can be integrally formed and injection molded with the sleeve 6, and then the oil distributing ring 7 is sleeved on the protruding ribs 10 of the sleeve 6, and the oil distributing ring 7 is made of rubber. The main seal 3 is sleeved on the main shaft 2 and fixed with the mixer shell 1, then the sleeve 6 is sleeved on the main shaft 2, the sleeve 6 is inserted into the bottom, at the moment, according to the size design, the oil distributing ring 7 is arranged on one side of the oil filling hole 9 and is an inward side, then the packing 8 and the auxiliary seal 5 are sequentially installed, and then the auxiliary seal 5 is connected with the main seal 3 through bolts; through setting up oil distributing ring 7, can effectually keep apart dust and lubricating oil, guarantee the normal rotation of main shaft 2, increase of service life.
In the present utility model, unless explicitly specified and defined otherwise, for example, it may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.
Claims (5)
1. A spindle sealing device for a mixer, comprising a mixer housing (1), a spindle (2) being provided on the mixer housing (1), characterized in that: the main shaft (2) is sleeved with a main seal (3), the upper end of the main seal (3) is provided with an oil cup, the main shaft (2) is sleeved with a sleeve (6), the inner side of the sleeve (6) is propped against the main seal (3), a gap is reserved between the outer side of the sleeve (6) and the inner side of the main seal (3), the outer side of the sleeve (6) is sleeved with an auxiliary seal (5), the outer side of the auxiliary seal (5) is in contact connection with the inner side of the main seal (3), the oil cup is fixed on the main seal (3), an oil injection hole (9) is reserved on the main seal (3), lubricating oil in the oil cup can flow into the gap, the sleeve (6) is sleeved with an oil distributing ring (7), and the outer side of the oil distributing ring (7) is in contact connection with the inner side of the main seal (3).
2. A spindle seal for a blender as defined in claim 1 wherein: the oil distributing ring (7) is arranged on the side face of the oil filling hole (9) and near one side of the mixer shell (1) and is used for separating materials from lubricating oil.
3. A spindle seal for a blender as claimed in claim 2, wherein: the oil distributing ring is characterized in that an inward protruding rib (10) is arranged on the outer side face of the sleeve (6), a groove (11) is formed in the oil distributing ring (7), and the protruding rib (10) is in butt joint with the groove (11) and used for fixing the oil distributing ring (7).
4. A spindle seal for a blender in accordance with claim 3 wherein: the sleeve (6) is also sleeved with a packing (8), and the outer side surface of the packing (8) is in contact connection with the inner side surface of the main seal (3).
5. A spindle seal for a blender as recited in claim 4, wherein: one end of the main seal (3) is connected with the outer side surface of the mixer shell (1) through bolts, and the other end of the main seal is fixed with the auxiliary seal (5) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322042417.1U CN220320321U (en) | 2023-08-01 | 2023-08-01 | Main shaft sealing device for stirrer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322042417.1U CN220320321U (en) | 2023-08-01 | 2023-08-01 | Main shaft sealing device for stirrer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220320321U true CN220320321U (en) | 2024-01-09 |
Family
ID=89414294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322042417.1U Active CN220320321U (en) | 2023-08-01 | 2023-08-01 | Main shaft sealing device for stirrer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220320321U (en) |
-
2023
- 2023-08-01 CN CN202322042417.1U patent/CN220320321U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220320321U (en) | Main shaft sealing device for stirrer | |
| CN107605695A (en) | A kind of two-wheel flute milling machine slush pump drive device | |
| JP4467896B2 (en) | Pump shaft seal structure | |
| WO2019184357A1 (en) | Sealing structure of motor shaft extension end | |
| CN219974879U (en) | Elastic guide bearing sealing assembly capable of realizing water slag separation | |
| CN112032099A (en) | Axial sealing structure of pump shaft of submersible pump | |
| CN108035719B (en) | Shield machine | |
| CN204941988U (en) | A kind of direct acting delta-connection sewage pump | |
| CN213540817U (en) | Double-end-face rotary sealing device | |
| CN210240014U (en) | Environment-friendly reliable pump for water treatment system | |
| CN111520462B (en) | Bidirectional alternate integral sealing device for main drive of tunnel boring machine | |
| CN220204666U (en) | Multiple sealed axle head fixed knot constructs | |
| CN112709661A (en) | Top cover main shaft sealing water leakage inhibiting device of vertical shaft mixed flow type water turbine | |
| CN218326201U (en) | Sealing device for high-speed centrifuge | |
| CN217055727U (en) | Sand prevention structure of deep well pump | |
| CN220416227U (en) | High-pressure water rotary sealing device with two-stage sealing | |
| CN212804228U (en) | Double-seal ring waterproof sealing structure | |
| CN116538129B (en) | Elastic guide bearing sealing assembly and operation method of water pump adopting same | |
| CN220687654U (en) | Vertical pipeline sewage pump with mechanical seal oil chamber | |
| CN216111309U (en) | Vertical sand pump for conveying drilling fluid | |
| CN219159388U (en) | Leakage-proof structure for bearing of dewatering machine | |
| CN218760461U (en) | Vertical axial-flow pump that contains sand control function | |
| CN209800345U (en) | integrated clean water lubricating device for high-sediment river pump station | |
| CN218742546U (en) | Connecting assembly suitable for large end of centrifugal machine and centrifugal machine | |
| CN214838398U (en) | Mechanical seal for ultralow-temperature sanitary-grade reaction kettle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |