CN220118324U - Roots blower with oil receiving box - Google Patents
Roots blower with oil receiving box Download PDFInfo
- Publication number
- CN220118324U CN220118324U CN202321488490.5U CN202321488490U CN220118324U CN 220118324 U CN220118324 U CN 220118324U CN 202321488490 U CN202321488490 U CN 202321488490U CN 220118324 U CN220118324 U CN 220118324U
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- CN
- China
- Prior art keywords
- receiving box
- oil receiving
- driving shaft
- oil
- roots blower
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- 238000007789 sealing Methods 0.000 claims abstract description 15
- 238000010030 laminating Methods 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 87
- 230000003068 static effect Effects 0.000 description 5
- 239000010687 lubricating oil Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model belongs to the technical field of Roots blowers, and particularly provides a Roots blower with an oil receiving box, which comprises a driving shaft, wherein one side of the Roots blower is provided with a secondary oil tank, the driving shaft penetrates out of the secondary oil tank, a sealing structure is arranged between one end of the driving shaft penetrating out of the secondary oil tank and the secondary oil tank, the sealing structure comprises a stationary ring and a movable ring which are respectively sleeved outside the driving shaft, the stationary ring is fixed with a stationary ring seat, the outside of the secondary oil tank is provided with the oil receiving box, the oil receiving box is arranged below the driving shaft and is open at the upper end, the oil receiving box is provided with a first side plate and a second side plate which are oppositely arranged, the first side plate is attached to the outer side surface of the secondary oil tank, the upper part of the second side plate is provided with an arc-shaped groove for accommodating the driving shaft, the arc-shaped groove is overlapped with the central axis of the driving shaft, and the upper part of the second side plate is embedded between the stationary ring and the stationary ring seat and is fixed through the stationary ring seat. The utility model is convenient for collecting the leaked oil liquid at the position of the driving shaft extending out of the auxiliary oil tank.
Description
Technical Field
The utility model belongs to the technical field of blowers, and particularly provides a Roots blower with an oil receiving box.
Background
The Roots blower is a positive displacement blower and comprises a driving shaft, a driven shaft, a main oil tank and an auxiliary oil tank. In the related technical scheme, when the Roots blower is operated, in order to prevent oil gas leakage, a mechanical sealing device is additionally arranged at the matching part of the driving shaft and the auxiliary oil tank (the mechanical sealing device generally comprises a movable ring and a static ring, the static ring is fixed with a static ring seat, and the static ring seat is fixed through a side wall pore plate and the like). During operation, the mechanical seal is lubricated by the lubricating oil in the auxiliary oil tank.
However, due to the installation accuracy and the influence of the service life of the mechanical seal, a trace amount of lubricating oil may leak between the movable ring and the static ring friction pair, and the leaked lubricating oil may directly drip into the use environment, so that environmental pollution and potential safety hazard are caused.
The inventor tries to install an oil receiving box below the mechanical sealing structure to collect the dropped oil, and the upper end of the oil receiving box is opened. However, the size of the oil receiving box is generally small, the oil receiving range is insufficient easily during use, and oil drops outside the oil receiving box.
In addition, the blower is not convenient for drilling connecting holes at the outer side wall of the oil tank so as to avoid adding new leakage points; welding the additional support structure increases the process of producing the blower; namely, the oil receiving box is inconvenient to install on the outer side wall of the auxiliary oil tank.
Disclosure of Invention
The utility model aims to provide a Roots blower with an oil receiving box, which is used for solving at least one of the technical problems.
In order to solve the problems in the prior art, the utility model provides a Roots blower with an oil receiving box, which comprises a driving shaft, wherein one side of the Roots blower is provided with a secondary oil tank, the driving shaft penetrates out of the secondary oil tank, a sealing structure is arranged between one end of the driving shaft penetrating out of the secondary oil tank and the secondary oil tank, the sealing structure comprises a stationary ring and a movable ring which are respectively sleeved outside the driving shaft, the stationary ring is fixed with a stationary ring seat, the oil receiving box is arranged outside the secondary oil tank, the oil receiving box is arranged below the driving shaft and is open at the upper end, the oil receiving box is provided with a first side plate and a second side plate which are oppositely arranged, the first side plate is attached to the outer side surface of the secondary oil tank, the upper part of the second side plate is provided with an arc-shaped groove for accommodating the driving shaft, the arc-shaped groove is overlapped with the central axis of the driving shaft, and the upper part of the second side plate is embedded between the stationary ring and the stationary ring seat and is fixed through the ring seat.
Further, the second side plate comprises a first vertical plate, a horizontal plate and a second vertical plate which are sequentially connected from bottom to top and are mutually perpendicular, the upper end of the first vertical plate is higher than the first side plate, and the second vertical plate is provided with the arc-shaped groove.
Further, the upper part of the second side plate is detachably fixed with the stationary ring seat.
Further, the lower end of the oil receiving box is opened, an openable lower cover is arranged at the opening, and a porous oil absorbing piece is arranged in the inner cavity of the oil receiving box.
Further, a supporting block is arranged in the oil receiving box, and the porous oil absorbing piece is supported by the supporting block.
Further, the upper surface of the supporting block is provided with a notch, and the projection of the porous oil absorbing piece along the vertical direction is positioned in the notch.
The beneficial effects of one or more of the technical schemes are as follows:
in this scheme, set up in the outside of bellytank and connect the oil box, should connect the oil box and have first curb plate and second curb plate, first curb plate and bellytank's outer wall laminating, the upper portion of second curb plate is in between quiet ring and the quiet ring seat. Namely, along the axis direction of the driving shaft, possible leakage dropping points of oil liquid are positioned between the first side plate and the second side plate, and on the basis of ensuring miniaturization of the oil receiving box, the probability that the leaked oil liquid drops outside the oil receiving box is reduced.
In the scheme, an arc-shaped groove is formed in the upper portion of the second side plate, and the upper portion of the second side plate is embedded between the stationary ring and the stationary ring seat and is fixed through the stationary ring seat; this mode of setting is convenient for utilize quiet ring seat fixed second curb plate and whole oil receiving box, and then can avoid setting up the bearing structure who is used for in particular use for in the outside of bellytank or welding oil receiving box, conveniently realizes the installation of oil receiving box.
Drawings
Some embodiments of the utility model are described below with reference to the accompanying drawings, in which:
FIG. 1 is a schematic illustration of an overall device in use in an embodiment of the utility model;
FIG. 2 is a schematic view of an oil drain hole below an oil receiving box according to an embodiment of the present utility model;
FIG. 3 is a schematic view of the lower part of the oil receiving box with a lower cover according to the embodiment of the present utility model;
fig. 4 is a schematic diagram of a side view of the second side plate according to an embodiment of the present utility model.
In the figure, 1, an auxiliary oil tank; 101. a fuel filler; 2. a driving shaft; 3. a mechanical seal structure; 301. a stationary ring; 302. a moving ring; 303. a stationary ring seat; 4. an oil receiving box; 401. a first side plate; 402. a second side plate; 4021. a first riser; 4022. a horizontal plate; 4023. a second riser; 4024. an arc-shaped groove; 403. an oil drain hole; 404. a block; 405. a porous oil absorbing member; 406. a support block; 407. a lower cover; 5. and (3) oil.
Detailed Description
It should be understood by those skilled in the art that the embodiments described below are only preferred embodiments of the present utility model, and do not represent that the present utility model can be realized only by the preferred embodiments, which are merely for explaining the technical principles of the present utility model, not for limiting the scope of the present utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive effort, based on the preferred embodiments provided by the present utility model, shall still fall within the scope of protection of the present utility model.
It should be noted that, in the description of the present utility model, terms such as "center", "upper", "lower", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate directions or positional relationships, which are based on the directions or positional relationships shown in the drawings, are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In a normal state, the crucible is of an inverted truncated cone-shaped structure with a smaller bottom diameter and a larger upper opening diameter, and the Roots blower with the oil receiving box can be applied to the crucible of the type and is not applied to the crucible with the same upper and lower section diameters.
As shown in fig. 1 to 4, an exemplary embodiment of the present utility model provides a roots blower having an oil receiving box, including a driving shaft 2, a side of the roots blower having a sub-tank 1, and an upper end of the sub-tank 1 having an oil filler 101. The driving shaft 2 penetrates out of the auxiliary oil tank 1, a sealing structure is arranged between one end of the driving shaft 2 penetrating out of the auxiliary oil tank 1 and the auxiliary oil tank 1, the sealing structure comprises a stationary ring 301 and a movable ring 302 which are respectively sleeved outside the driving shaft 2, the stationary ring 301 is fixed with a stationary ring seat 303, an oil receiving box 4 is arranged outside the auxiliary oil tank 1, the oil receiving box 4 is arranged below the driving shaft 2 and is open at the upper end, the oil receiving box 4 is provided with a first side plate 401 and a second side plate 402 which are oppositely arranged, the first side plate 401 is attached to the outer side surface of the auxiliary oil tank 1, an arc-shaped groove 4024 for accommodating the driving shaft 2 is formed in the upper portion of the second side plate 402, the arc-shaped groove 4024 is overlapped with the central axis of the driving shaft 2, and the upper portion of the second side plate 402 is embedded between the stationary ring 301 and the stationary ring seat 303 and is fixed through the stationary ring seat 303.
Specifically, the radius of the arcuate groove 4024 is here greater than the outer diameter of the drive shaft 2 and also greater than the inner diameter of the stationary ring 301.
In this embodiment, the second side plate 402 includes a first riser 4021, a horizontal plate 4022 and a second riser 4023, which are sequentially connected from bottom to top and perpendicular to each other, the upper end of the first riser 4021 is higher than the first side plate 401, and the second riser 4023 has an arc groove 4024.
Specifically, the second riser 4023 has a semi-annular structure, and the first riser 4021 and the horizontal plate 4022 each have a square plate structure. In other constructions, the second riser 4023 may likewise be a square plate, except that it has an arcuate slot 4024.
In other configurations, the second side panel 402 may also be curved.
In this embodiment, the upper portion of the second side plate 402 is detachably fixed to the stationary ring seat 303. Specifically, the second side plate 402 and the stationary ring seat 303 can be fixed by means of gluing by bolting the latter; or the second side plate 402 is pressed in the stationary ring seat 303 and the stationary ring 301, and the second side plate 402 and the whole oil receiving box 4 are fixed by friction force.
In this embodiment, the lower end of the oil receiving case 4 is provided with an openable and closable oil drain hole 403. Specifically, the oil drain hole 403 is provided with an annular blocking block 404, and the blocking block 404 is in sealing connection with the oil drain hole 403. Preferably, the plugging block 404 is made of elastic materials such as rubber or silica gel, and can realize sealing connection through deformation; or a sealing gasket is arranged at the joint of the plugging block 404 and the oil drain hole 403.
In this embodiment, the lower end of the oil receiving box 4 is opened, a lower cover 407 capable of being opened and closed is provided at the opening, and a porous oil absorbing member 405 is provided in the inner cavity of the oil receiving box 4. Specifically, the oil receiving box 4 is provided with a support block 406, and the porous oil absorbing member 405 is supported by the support block 406. The upper surface of the support block 406 has a notch in which the porous oil absorbing member 405 is vertically projected. The porous oil absorbing member 405 may be a porous material made of sponge or foam. The porous material can adsorb and temporarily store the oil 5, so that the oil 5 is prevented from being dissipated everywhere in the period of transferring.
In this embodiment, a sealing gasket is provided between the lower cover 407 and the lower opening of the oil receiving box 4. The sealing gasket is of a square annular structure.
Working principle: when the device is used, the assembly of the device is completed first: the upper end of the oil receiving box 4 is inserted between the stationary ring 301 and the stationary ring seat 303, so that the stationary ring 301 and the arc-shaped groove 4024 are coaxially arranged, and the stationary ring 301, the movable ring 302 and the stationary ring seat 303 are respectively sleeved outside the driving shaft 2. The stationary ring seat 303 is fixed by a sidewall orifice plate. At this time, the first side plate 401 is completely attached to the outer side wall of the auxiliary fuel tank 1, and the upper portion of the second side plate 402 is attached to the end face of the stationary ring 301 facing away from the moving ring 302.
The oil 5 leaked from the mechanical seal structure 3 enters the oil receiving box 4 and is stored.
When the lower end of the oil receiving box 4 is of an oil drain hole 403 structure, the plugging ring is opened every set time, so that collected oil flows out.
When the lower end of the oil receiving box 4 is a combination of the opening and the lower cover 407, the lower cover 407 is opened; the supporting block 406 and the porous oil absorbing piece 405 drop under the action of gravity, and the supporting block 406 is caught by a hand, so that the supporting block 406 and the porous oil absorbing piece 405 are transferred to a sewage outlet for cleaning.
Thus far, the technical solution of the present utility model has been described in connection with the foregoing preferred embodiments, but it will be readily understood by those skilled in the art that the scope of the present utility model is not limited to the above-described preferred embodiments. The technical solutions in the above preferred embodiments can be split and combined by those skilled in the art without departing from the technical principles of the present utility model, and equivalent changes or substitutions can be made to related technical features, so any changes, equivalent substitutions, improvements, etc. made within the technical principles and/or technical concepts of the present utility model will fall within the protection scope of the present utility model.
Claims (8)
1. The utility model provides a roots blower with connect oil box, its includes the driving shaft, one side of roots blower has the bellytank, the driving shaft is followed the bellytank wears out, the driving shaft is followed the one end that the bellytank wears out with install seal structure between the bellytank, seal structure includes that the cover is established respectively in outside quiet ring and the moving ring of driving shaft, quiet ring is fixed with quiet ring seat, its characterized in that:
the outside of bellytank is equipped with the oil receiving box, the oil receiving box is in the below of driving shaft and upper end are uncovered, the oil receiving box has relative first curb plate and the second curb plate that sets up, first curb plate with the lateral surface laminating of bellytank, second curb plate upper portion has the arc groove that is used for holding the driving shaft, the arc groove with the axis coincidence of driving shaft, the upper portion embedding of second curb plate still ring with between the quiet ring seat and fixed through quiet ring seat.
2. The roots blower with an oil receiving box of claim 1, wherein: the second side plate comprises a first vertical plate, a horizontal plate and a second vertical plate which are sequentially connected from bottom to top and are mutually perpendicular, the upper end of the first vertical plate is higher than the first side plate, and the second vertical plate is provided with the arc-shaped groove.
3. The roots blower with an oil receiving box of claim 1, wherein: the upper part of the second side plate is detachably fixed with the stationary ring seat.
4. The roots blower with an oil receiving box of claim 1, wherein: the lower end of the oil receiving box is provided with an oil drain hole capable of being opened and closed.
5. The roots blower with an oil receiving box of claim 1, wherein: the lower end of the oil receiving box is provided with an opening, a lower cover capable of being opened and closed is arranged at the opening, and a porous oil absorbing piece is arranged in the inner cavity of the oil receiving box.
6. The roots blower with an oil receiving box of claim 5, wherein: the oil receiving box is internally provided with a supporting block, and the porous oil absorbing piece is supported by the supporting block.
7. The roots blower with an oil receiving box of claim 6, wherein: the upper surface of supporting shoe has the notch, the vertical projection of porous oil absorption spare along the vertical is in the notch.
8. The roots blower with an oil receiving box of claim 5, wherein: a sealing gasket is arranged between the lower cover and the opening at the lower end of the oil receiving box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321488490.5U CN220118324U (en) | 2023-06-12 | 2023-06-12 | Roots blower with oil receiving box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321488490.5U CN220118324U (en) | 2023-06-12 | 2023-06-12 | Roots blower with oil receiving box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220118324U true CN220118324U (en) | 2023-12-01 |
Family
ID=88888733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321488490.5U Active CN220118324U (en) | 2023-06-12 | 2023-06-12 | Roots blower with oil receiving box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220118324U (en) |
-
2023
- 2023-06-12 CN CN202321488490.5U patent/CN220118324U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 250203 West of Ping'an Street, Xianger Village, Xianggongzhuang Street, Zhangqiu District, Jinan City, Shandong Province Patentee after: Shandong Zhanghuang Machinery Industry Co.,Ltd. Country or region after: China Address before: 250203 Xianggong Town, Zhangqiu District, Jinan City, Shandong Province Patentee before: Shandong Zhanghuang Machinery Industry Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |