CN208845356U - A kind of efficient screw vacuum pump of twin shaft - Google Patents
A kind of efficient screw vacuum pump of twin shaft Download PDFInfo
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- CN208845356U CN208845356U CN201821655839.9U CN201821655839U CN208845356U CN 208845356 U CN208845356 U CN 208845356U CN 201821655839 U CN201821655839 U CN 201821655839U CN 208845356 U CN208845356 U CN 208845356U
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- vacuum pump
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- screw rod
- shell
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Abstract
A kind of efficient screw vacuum pump of twin shaft, belong to vacuum pump technology field, including motor, first end cover, second end cover, shell, main transmission moving axis, from transmission moving axis, driving screw rod, driven screw, bearing, driving gear, driven gear, shaft coupling and cooling component；Wherein, the cooling component includes inlet, liquid outlet and cooling pipe, the inlet and liquid outlet are separately positioned on the both ends of cooling pipe, the shell is equipped with hollow cavity, the cooling pipe is arranged in hollow cavity, and cooling pipe is arranged in the shape of a spiral, has coolant liquid in the hollow cavity and cooling pipe.The screw vacuum pump of the utility model had both had cooling structure while this has ash-clearing structure, the heat dissipation of screw vacuum pump can quickly be carried out, maintain the stability of screw vacuum pump work, the ash-clearing structure of setting simultaneously, it can periodically turn on, the cleaning for keeping screw vacuum pump, prevents from blocking, improves the working efficiency of screw vacuum.
Description
Technical field
The utility model belongs to vacuum pump technology field, and in particular, to a kind of efficient screw vacuum pump of twin shaft.
Background technique
Currently, the type of hydraulic pump has plunger pump, gear pump, vane pump, feature is respectively plunger pump: pressure is high, knot
Structure is compact, high-efficient, and flow is easy to adjust, and but structure is complicated, and cost is higher；External gear rotary pump: structure is simple, easily manufactured,
Cheap, reliable operation, suction capacity is strong, is but difficult to reach high pressure, and noise is larger, and infusion is uneven, easy to wear；Internal messing tooth
Wheel pump: noise is smaller, and amount of infusion is uniform, small in size, light-weight, and but manufacture is complicated, and cost is higher；Vane pump: having low noise,
Uniform flow, small in size, the service life is long, and but to liquid pollution sensibility, suction capacity is poor, and structure is complicated, and technique requires high, cost
It is high.All types of hydraulic pump features, advantage and defect place comparison are summarized, without more perfect type.
Screw pump in hydraulic pump is suitble to transfer of highly viscous medium, and pulse free, self-priming are strong, low energy consumption, is widely used in
The industries such as petroleum, chemical industry, metallurgy, machinery, food, power station, naval vessel.Screw pump is volume type rotor pump, it is by by screw rod
The volume of the seal chamber formed with bushing changes to suck and be discharged liquid.The characteristics of screw pump is flow trim, pressure arteries and veins
Move it is small, have that suction capacity, noise are low, high-efficient, the service life is long, reliable operation.Screw pump will generate higher during the work time
Temperature, the structure on the market for screw pump cooling is varied at present, but heat dissipation effect is limited.
Utility model content
Purpose of utility model: the purpose of the utility model is to provide a kind of efficient screw vacuum pumps of twin shaft, solve spiral shell
Bar vacuum pump heat dissipation effect is bad and screw vacuum pump in be easy the problem of gathering impurity.
Technical solution: the utility model provides a kind of efficient screw vacuum pump of twin shaft, including motor, first end cover,
Second end cover, shell, main transmission moving axis, from transmission moving axis, driving screw rod, driven screw, bearing, driving gear, driven gear,
Shaft coupling and cooling component, the first end cover and second end cover are separately positioned on the both ends of shell, the motor and shaft coupling
One end connection, the other end of the shaft coupling connect with driving gear, and the driving gear is engaged with driven gear, the master
Moving gear is connect with main transmission moving axis, and the driven gear is connect with from transmission moving axis, and the driving screw rod is arranged in main transmission
On moving axis, the driven screw setting is equipped with bearing from transmission moving axis in the first end cover and second end cover, described
It main transmission moving axis and is respectively erected on bearing from the both ends of transmission moving axis, the cooling component is arranged in shell；Wherein, institute
Stating cooling component includes inlet, liquid outlet and cooling pipe, and the inlet and liquid outlet are separately positioned on cooling pipe
Both ends, the shell are equipped with hollow cavity, and the cooling pipe is arranged in hollow cavity, and cooling pipe is in the shape of a spiral
It is arranged, has coolant liquid in the hollow cavity and cooling pipe.The efficient screw vacuum pump of the twin shaft of the utility model, in shell
Setting cooling component in vivo, and the hollow cavity filled with coolant liquid is equipped in shell, the cooling pipe of cooling component is arranged
There is the coolant liquid constantly flowed in the coolant liquid of hollow cavity, in cooling pipe, take away the heat of coolant liquid in hollow cavity,
Coolant liquid in hollow cavity is kept to be in reduction temperature always, to reduce the temperature of screw vacuum pump.
Further, the inner wall of the efficient screw vacuum pump of above-mentioned twin shaft, the hollow cavity is set as waveform.If
The wavy shaped configuration set can be improved structural area, improve heat dissipation effect.
Further, above-mentioned twin shaft efficient screw vacuum pump is equipped with gear in the first end cover and second end cover
Ring.The baffle ring of setting improves main transmission moving axis and the stability from transmission moving axis, to improve screw vacuum pump work
Stability.
Further, the efficient screw vacuum pump of above-mentioned twin shaft, the first end cover are equipped with air inlet and exhaust outlet,
The shell is equipped with ventilation shaft, and the ventilation shaft is arranged between hollow cavity and the inner wall of shell, the ventilation duct
Road is connected to air inlet and exhaust outlet.Air inlet, exhaust outlet and the ventilation shaft of setting form blowing structure, are able to carry out spiral shell
Cleaning in bar vacuum pump case.
Further, the efficient screw vacuum pump of above-mentioned twin shaft, the ventilation shaft is equipped with several gas vents, described
Gas vent is connected to the inner cavity of shell.The exhaust outlet of setting is smaller, can blow out high pressure gas.
Further, on the outer wall of the efficient screw vacuum pump of above-mentioned twin shaft, the driving screw rod and driven screw
Ash-pit is scraped equipped with several, the ash-pit of scraping is spaced setting in driving screw rod or driven screw.The ash-pit of scraping being arranged can be by screw rod
Dust impurity in vacuum pump case is removed, and is stored in and is scraped in ash-pit.
Further, the efficient screw vacuum pump of above-mentioned twin shaft, the driving screw rod and driven screw are equipped with dust stratification
Slot, the dust stratification slot are connect with ash-pit is scraped, and the dust stratification slot is hemispherical.The dust stratification slot of setting, which improves, scrapes ash-pit storage dust
The ability of impurity.
Further, the efficient screw vacuum pump of above-mentioned twin shaft, described one side for scraping ash-pit and driving screw rod or driven
The edge of screw rotor connects, and the another side for scraping ash-pit is arranged in driving screw rod or driven screw, the dust stratification slot with
Scrape the connection on one side that ash-pit is arranged in driving screw rod or driven screw.Scrape one side of ash-pit and driving screw rod or driven screw
The edge of rotor is connected to, and is entered convenient for dust impurity from opening and is scraped ash-pit.
Further, the rotor of the efficient screw vacuum pump of above-mentioned twin shaft, the driving screw rod and driven screw can be set
It is set to screw pitch not equal structure.The screw rod pump configuration that the screw pitch of setting does not wait, improves work efficiency.
Further, the outer wall of the efficient screw vacuum pump of above-mentioned twin shaft, the first end cover is equipped with the first noise reduction
The inner wall of layer, the second end cover is equipped with the second noise reduction layer.The noise reduction layer of setting can substantially reduce the noise of screw pump, reach
To the requirement of environmental protection.
Above-mentioned technical proposal can be seen that the utility model has the following beneficial effects: twin shaft described in the utility model
Efficient screw vacuum pump, reasonable in design, easy to use, application cost is low, and adaptability is good, the screw vacuum pump of the application
Both there is cooling structure while this has ash-clearing structure, and can quickly carry out the heat dissipation of screw vacuum pump, maintain screw vacuum pump
The stability of work, while the ash-clearing structure being arranged, can periodically turn on, keep the cleaning of screw vacuum pump, prevent from blocking, mention
The high working efficiency of screw vacuum, has great popularization value.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the efficient screw vacuum pump of twin shaft described in the utility model；
Fig. 2 is the structural schematic diagram of cooling component described in the utility model.
In figure: motor 1, first end cover 2, air inlet 21, exhaust outlet 22, ventilation shaft 23, gas vent 24, the first noise reduction layer
25, second end cover 3, the second noise reduction layer 31, shell 4, hollow cavity 41, main transmission moving axis 5, from transmission moving axis 6, driving screw rod 7,
Scrape ash-pit 71, dust stratification slot 72, driven screw 8, bearing 9, driving gear 10, driven gear 11, shaft coupling 12, cooling component 13,
Inlet 131, liquid outlet 132, cooling pipe 133, baffle ring 14.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
Describe the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, the meaning of " multiple "
It is two or more, unless otherwise restricted clearly.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to
Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above "
One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special
Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only
Indicate that first feature horizontal height is less than second feature.
Embodiment
The efficient screw vacuum pump of twin shaft as shown in Figure 1, 2, including motor 1, first end cover 2, second end cover 3, shell
4, main transmission moving axis 5, from transmission moving axis 6, driving screw rod 7, driven screw 8, bearing 9, driving gear 10, driven gear 11, connection
Axis device 12 and cooling component 13, the first end cover 2 and second end cover 3 are separately positioned on the both ends of shell 4, the motor 1 with
One end of shaft coupling 12 connects, and the other end of the shaft coupling 12 is connect with driving gear 10, the driving gear 10 with it is driven
Gear 11 engages, and the driving gear 10 is connect with main transmission moving axis 5, and the driven gear 11 is connect with from transmission moving axis 6, institute
It states driving screw rod 7 to be arranged on main transmission moving axis 5, the driven screw 8 setting is from transmission moving axis 6, the first end cover 2
Be equipped with bearing 9 in second end cover 3, the main transmission moving axis 5 and be respectively erected on bearing 9 from the both ends of transmission moving axis 6,
The cooling component 13 is arranged in shell 4；Wherein, the cooling component 13 includes inlet 131, liquid outlet 132 and cooling
Pipeline 133, the inlet 131 and liquid outlet 132 are separately positioned on the both ends of cooling pipe 133, during the shell 4 is equipped with
Cavity body 41, the cooling pipe 133 is arranged in hollow cavity 41, and cooling pipe 133 is arranged in the shape of a spiral, it is described in
There is coolant liquid in cavity body 41 and cooling pipe 133.Fixed coolant liquid is filled in the application in hollow cavity 41, by cold
But the coolant liquid constantly circulated in pipeline 133 reduces the temperature of coolant liquid in hollow cavity 41, to reduce screw pump
Temperature.In order to improve the contact area with coolant liquid in hollow cavity 41, waveform can be set by the inner wall of hollow cavity 41.
In addition, being equipped with baffle ring 14 in first end cover 2 and second end cover 3.The baffle ring 14 of setting can prevent main transmission moving axis 5 and from biography
The axial float of dynamic moving axis 6.Again, after screw pump is used for a long time, the impurity such as dust may be contained in shell 4, for the ease of
Impurity is removed, blowing structure is provided with, it is specific as follows, air inlet 21 and exhaust outlet 22, the shell are equipped in first end cover 2
4 are equipped with ventilation shaft 23, and the ventilation shaft 23 is arranged between hollow cavity 41 and the inner wall of shell 4, the ventilation duct
Road 23 is connected to air inlet 21 and exhaust outlet 22.Also, ventilation shaft 23 is equipped with several gas vents 24, the gas vent 24
It is connected to the inner cavity of shell 4.Screw pump is stopped working, compressed air is filled with by air inlet 21, gas flows to ventilation duct
Road 23, and blown out by gas vent 24, air extractor is set at exhaust outlet 22, the intracorporal gas of shell is extracted out, is taken away simultaneously
Dust in shell 4, achievees the purpose that ash disposal.Several ash is scraped in addition, being equipped on the outer wall of driving screw rod 7 and driven screw 8
Slot 71, the ash-pit 71 of scraping are spaced setting in driving screw rod 7 or driven screw 8.Driving screw rod 7 and driven screw 8 are equipped with
Dust stratification slot 72, the dust stratification slot 72 are connect with ash-pit 71 is scraped, and the dust stratification slot 72 is hemispherical.Scrape one side and the active of ash-pit 71
The edge of 8 rotor of screw rod 7 or driven screw connects, and the another side for scraping ash-pit 71 is arranged in driving screw rod 7 or driven screw 8
It is interior, the dust stratification slot 72 with scrape the connection on one side that ash-pit 71 is arranged in driving screw rod 7 or driven screw 8.Driving screw rod 7 and from
The rotor of dynamic screw rod 8 may be configured as the structure that screw pitch does not wait.Dust impurity is collected in shell 4 in order to prevent, and ash is scraped in setting
Slot 71 can remove the impurity on 4 inner wall of shell, and impurity can be stored to dust stratification slot 72, periodically start blowing structure, carry out
The intracorporal cleaning of shell.
Since screw pump is in use there may be loud noise, due to being already provided on shell in the application
Blowing structure and cooling structure, therefore can reduce the noise in shell 4, in order to further achieve the effect that noise reduction, first
The outer wall of end cap 2 is equipped with the first noise reduction layer 25, and the second noise reduction layer 31 is equipped on the inner wall of second end cover 3.In first end cover 2
With in second end cover 3 simultaneously noise-reducing structure is set, cooperate the structure of shell, the noise of screw pump can be substantially reduced.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvement can also be made, these improvement also should be regarded as
The protection scope of the utility model.
Claims (10)
1. a kind of efficient screw vacuum pump of twin shaft, it is characterised in that: including motor (1), first end cover (2), second end cover
(3), shell (4), main transmission moving axis (5), from transmission moving axis (6), driving screw rod (7), driven screw (8), bearing (9), actively
Gear (10), driven gear (11), shaft coupling (12) and cooling component (13), the first end cover (2) and second end cover (3) point
She Zhi not be connect at the both ends of shell (4), the motor (1) with one end of shaft coupling (12), the shaft coupling (12) it is another
End is connect with driving gear (10), and the driving gear (10) is engaged with driven gear (11), the driving gear (10) and master
It is driven moving axis (5) connection, the driven gear (11) connect with from transmission moving axis (6), and the driving screw rod (7) is arranged in main biography
On dynamic moving axis (5), driven screw (8) setting is from transmission moving axis (6), the first end cover (2) and second end cover (3)
Inside be equipped with bearing (9), the main transmission moving axis (5) and from transmission moving axis (6) both ends be respectively erected on bearing (9), institute
Cooling component (13) setting is stated in shell (4)；Wherein, the cooling component (13) includes inlet (131), liquid outlet
(132) and cooling pipe (133), the inlet (131) and liquid outlet (132) are separately positioned on the two of cooling pipe (133)
End, the shell (4) are equipped with hollow cavity (41), and cooling pipe (133) setting is interior and cold in hollow cavity (41)
But pipeline (133) is arranged in the shape of a spiral, has coolant liquid in the hollow cavity (41) and cooling pipe (133).
2. the efficient screw vacuum pump of twin shaft according to claim 1, it is characterised in that: the hollow cavity (41) it is interior
Wall is set as waveform.
3. the efficient screw vacuum pump of twin shaft according to claim 1, it is characterised in that: the first end cover (2) and
Baffle ring (14) are equipped on two end caps (3).
4. the efficient screw vacuum pump of twin shaft according to claim 1, it is characterised in that: set on the first end cover (2)
There are air inlet (21) and exhaust outlet (22), the shell (4) is equipped with ventilation shaft (23), and ventilation shaft (23) setting exists
Between hollow cavity (41) and the inner wall of shell (4), the ventilation shaft (23) connects with air inlet (21) and exhaust outlet (22)
It is logical.
5. the efficient screw vacuum pump of twin shaft according to claim 4, it is characterised in that: set on the ventilation shaft (23)
Have several gas vents (24), the gas vent (24) is connected to the inner cavity of shell (4).
6. the efficient screw vacuum pump of twin shaft according to claim 5, it is characterised in that: the driving screw rod (7) and from
Be equipped on the outer wall of dynamic screw rod (8) it is several scrape ash-pit (71), the ash-pit (71) of scraping is in driving screw rod (7) or driven screw
(8) setting is spaced on.
7. the efficient screw vacuum pump of twin shaft according to claim 6, it is characterised in that: the driving screw rod (7) and from
Dynamic screw rod (8) are equipped with dust stratification slot (72), and the dust stratification slot (72) connect with ash-pit (71) is scraped, and the dust stratification slot (72) is in hemisphere
Shape.
8. the efficient screw vacuum pump of twin shaft according to claim 7, it is characterised in that: described one side for scraping ash-pit (71)
It is connect with the edge of driving screw rod (7) or driven screw (8) rotor, and the another side for scraping ash-pit (71) is arranged in driving screw rod
(7) or in driven screw (8), the dust stratification slot (72) is arranged in driving screw rod (7) or driven screw (8) with ash-pit (71) are scraped
Connection on one side.
9. the efficient screw vacuum pump of twin shaft according to claim 1, it is characterised in that: the driving screw rod (7) and from
The rotor of dynamic screw rod (8) may be configured as the structure that screw pitch does not wait.
10. the efficient screw vacuum pump of twin shaft according to claim 1, it is characterised in that: outside the first end cover (2)
Wall is equipped with the first noise reduction layer (25), and the inner wall of the second end cover (3) is equipped with the second noise reduction layer (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821655839.9U CN208845356U (en) | 2018-10-12 | 2018-10-12 | A kind of efficient screw vacuum pump of twin shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821655839.9U CN208845356U (en) | 2018-10-12 | 2018-10-12 | A kind of efficient screw vacuum pump of twin shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208845356U true CN208845356U (en) | 2019-05-10 |
Family
ID=66375345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821655839.9U Active CN208845356U (en) | 2018-10-12 | 2018-10-12 | A kind of efficient screw vacuum pump of twin shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208845356U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114412785A (en) * | 2022-03-28 | 2022-04-29 | 天津捷盛东辉保鲜科技有限公司 | Wide-temperature-range constant-temperature rotor type double-screw refrigeration compressor |
-
2018
- 2018-10-12 CN CN201821655839.9U patent/CN208845356U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114412785A (en) * | 2022-03-28 | 2022-04-29 | 天津捷盛东辉保鲜科技有限公司 | Wide-temperature-range constant-temperature rotor type double-screw refrigeration compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.157, puqiao Road, Changlu street, Jiangbei new district, Nanjing City, Jiangsu Province, 210000 Patentee after: Nanjing Changjiang Jiangyu Environmental Protection Technology Co.,Ltd. Address before: No.157, puqiao Road, Changlu street, Jiangbei new district, Nanjing City, Jiangsu Province, 210000 Patentee before: NANJING CHANGJIANG JIANGYU PETROCHEMICAL Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.157, puqiao Road, Changlu street, Jiangbei new district, Nanjing City, Jiangsu Province, 210000 Patentee after: Nanjing Changjiang Jiangyu Environmental Protection Technology Co.,Ltd. Address before: No.157, puqiao Road, Changlu street, Jiangbei new district, Nanjing City, Jiangsu Province, 210000 Patentee before: Nanjing Changjiang Jiangyu Environmental Protection Technology Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |