CN203335405U - Enhanced jacket all-cooling pump body for novel Roots pump - Google Patents
Enhanced jacket all-cooling pump body for novel Roots pump Download PDFInfo
- Publication number
- CN203335405U CN203335405U CN2013200695497U CN201320069549U CN203335405U CN 203335405 U CN203335405 U CN 203335405U CN 2013200695497 U CN2013200695497 U CN 2013200695497U CN 201320069549 U CN201320069549 U CN 201320069549U CN 203335405 U CN203335405 U CN 203335405U
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- pump housing
- pump
- pump body
- roots
- shell
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Abstract
The utility model relates to an enhanced jacket all-cooling pump body for a novel Roots pump, which comprises a pump body, wherein the upper part of the pump body is provided with an air suction inlet, and the lower part of the pump body is provided with an air outlet. The utility model is characterized in that the cross section of the housing of the pump body is in an geometrically octagonal shape; the cross section of the inner cavity of the pump body is in a transversely distributed 8 shape; the inside of the wall of the housing of the pump body is distributed with at least 6 jacket-type coolant inner cavities in the axial direction of the pump body; and the surface of the housing of the pump body is distributed with a plurality of sets of radiating fins. The pump body is provided with the independent jacket-type coolant inner cavities and the radiating fins coated with graphite adhesive films; by using such cooling modes, the gas compression heat of the Roots pump is quickly taken away by the coolant, thereby ensuring the smaller clearance between the Roots pump rotor and the pump body or end cover, and overcoming higher pressure difference; and thus, the allowable application range of the Roots pump is wider.
Description
Technical field
The utility model relates to the technical field of Roots pump main pump body, specifically a kind of design for full-cool lobe pump body, particularly pump housing mechanical structure.
Background technique
At present, lobe pump body generally be take oval or round-shaped as main.There are two very formidable deficiencys in Roots pump in operation, because Roots pump can not use separately as vacuum pump, need to be equipped with preevacuation pump, the fore vacuum pump intake needs to discharge in time the tolerance of Roots pump relief opening, otherwise can cause gas in the accumulation of Roots pump relief opening, form the relief opening of Roots pump and the pressure reduction of suction port.When pressure reduction is excessive, when the rotor of Roots pump carries out gas compression in exhaust side, need larger acting, according to gas compression thermal equilibrium, the gas compression acting is larger, and the heat of generation is also just larger.If these heats can not be removed in time or dispel the heat away, heat is delivered on the interior rotor of lobe pump body, the pump housing, axle, end cap, and these metal partss are heated and can expand.When the temperature in lobe pump body is more and more higher, the expansion meeting of these metal partss is larger, surpass rotor and the pump housing or and end cap between gap and metal bump occurs, until rotor is stuck, cause the lobe pump body damage.
If roots pump rotor and the pump housing or and end cap between excesssive gap, the pressure reduction at two ends makes the loss that Roots pump entrance degree of vacuum will be very large.If visible Roots pump entrance reaches very high degree of vacuum, need roots pump rotor and the pump housing or and end cap between the gap needs very little, but gap is too small, but to be easy to form pressure reduction excessive, the heat of compression can not be removed in time and cause rotor and the pump housing, end cap is stuck.Concerning some harsh Environmental Conditions, pump housing surface temperature is too high also can cause dangerous hidden danger, so remove in time Roots pump gas compression heat, is improve the Roots pump performance and use safe core key simultaneously.
The model utility content
The purpose of this utility model is to provide a kind of reinforced chuck for novel Roots pump the full-cool pump housing.What the pump housing of Roots pump adopted is how much octagon shells, is different from present circle, ellipse and some other shape, makes pump housing intensity more.The jacketed type cooling liquid inner chamber that the pump housing is exclusive, being different from present lobe pump body is the entity shell, can realize that rapid moving walks the function of the gas heat of compression and balance heat.Graphite glued membrane radiating fin is to plate a kind of special graphite glued membrane on the foundry goods fin, utilizes its efficient heat sinking function to improve the radiating efficiency of fin.
To achieve these goals, the technical solution of the utility model is: the full-cool pump housing of a kind of reinforced chuck for novel Roots pump, it comprises the pump housing, the top of the pump housing is provided with intakeport, the bottom of the pump housing is provided with relief opening, it is characterized in that: the cross section of described pump housing shell is octagon how much, the 8-shaped shape that the intracavity section of the pump housing is laterally distributed, along pump housing axial distribution, at least 6 jacketed type cooling liquid inner chambers are arranged in the shell wall of pump housing shell, the surface distributed of pump housing shell has some groups of radiating fins.
The utility model discloses the full-cool pump housing of a kind of reinforced chuck for novel Roots pump, the pump housing is provided with independently jacketed type cooling liquid inner chamber and the radiating fin that is coated with the graphite glued membrane, the pump housing is by the design of these types of cooling, make the gas compression heat of the Roots pump liquid that is cooled take away rapidly, not only guaranteed temperature that pump housing surface is lower and meet less roots pump rotor and the pump housing or and end cap between gap and overcome larger pressure reduction, make Roots pump allow the scope of use broader.
The accompanying drawing explanation
Fig. 1 is the utility model pump body structure schematic diagram.
Fig. 2 is the utility model pump housing sectional view.
Fig. 3 is the utility model pump housing plan view.
Embodiment
Below in conjunction with drawings and Examples, the utility model will be further described.
The utility model discloses the full-cool pump housing of a kind of reinforced chuck for novel Roots pump, it comprises the pump housing 1, the top of the pump housing 1 is provided with intakeport 2, the bottom of the pump housing 1 is provided with relief opening 3, it is characterized in that: the cross section of the described pump housing 1 shell is octagon how much, how much octagon project organizations make lobe pump body have more standby strength and stiffness, the laterally distributed 8-shaped shape in inner chamber 8 cross sections of the pump housing 1, along pump housing axial distribution, at least 6 jacketed type cooling liquid inner chambers 4 are arranged in the shell wall of the pump housing 1 shell, the surface distributed of the pump housing 1 shell has some groups of radiating fins 5.
In the specific implementation, described jacketed type cooling liquid inner chamber 4 axially connects whole casing wall along the pump housing 1, especially be provided with the jacketed type cooling liquid inner chamber 4 of large volume near intakeport 2 and relief opening 3 places, supporting six independently jacketed type cooling liquid inner chamber can entirely wrap up by liquid so that pump body is cooled when operation, can ensure enough cooling liquids and remove the Roots pump heat in when operation, thoroughly solve Roots pump because of overheated, the hidden danger that the rotor expanded by heating is stuck.
In the specific implementation, the surface distributed of the described pump housing 1 shell has 6 groups of radiating fins 5, radiating fin 5 is arranged at the place, outer wall plane of the how much octagon pump housing 1 shells, radiating fin 5 is equidistantly arranged and is formed by some radiating fin that are coated with the graphite glued membrane, utilize the efficient radiating effect of this new material can effectively control the lobe pump body cavity temperature, this graphite glued membrane, at notebook, plays to pass and acts on the chip cooling of mobile phone and microelectronic industry.After plating this graphite glued membrane on the Roots pump fin, utilize its radiating efficiency at a high speed, the heat of balanced cooling liquid in the gas compression heat in inner chamber and chuck, in time by surface radiating, is strengthened to the heat radiation to Roots pump gas compression heat.
In the specific implementation, the described pump housing 1 end face is provided with annular seal groove 6, and the pump housing 1 end in annular seal groove 6 outsides is provided with equally distributed bolt hole 7.
At first the shell of the pump housing is how much anistree shapes, and inner chamber is 8 word ellipses, can maximum overcome the pressure of inner chamber and the active force of balance outside, makes Roots pump the profile more attractive in appearance and atmosphere that seems simultaneously.Form the jacketed type cooling liquid cavity of axial distribution in the shell shell wall of anistree shape, in this cavity, can be full of cooling liquid.Especially in Roots's pump intake and exhaust ports, according to the geometrical construction form, can obtain maximum chuck volume.When Roots pump moves, relief opening is because the heat of compression produces higher temperature, and the relative relief opening of the temperature of suction port will be low many, now the jacketed type cooling liquid is drawn the heat transmitted, the coolant temperature in the relief opening chuck of bottom is higher, and the coolant temperature in the intakeport chuck at top is lower.Special cooling liquid abrim in the chuck of the described lobe pump body of this case, this cooling liquid temperature gradient under much larger than water of variable density, the specific heat capacity value is also large than water, so under the effect of gravity, bottom high temperature, low-density cooling liquid can upwards be floated, top low temperature, highdensity cooling liquid can be floated downwards, thereby forms a kind of thermoconvection phenomenon, balance heat.
When implement using, the cooling liquid in pump housing shell chuck, under the cooling liquid drive blade of the drive of Roots pump driving shaft, forms forced flow, by outside cold water or air-cooled mode, realizes that rapid moving walks the function of the gas heat of compression and balance heat.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that the concrete enforcement of the utility model is confined to above-mentioned these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (1)
1. the full-cool pump housing of the reinforced chuck for novel Roots pump, it comprises the pump housing (1), the top of the pump housing (1) is provided with intakeport (2), the bottom of the pump housing (1) is provided with relief opening (3), it is characterized in that: the cross section of the described pump housing (1) shell is octagon how much, the laterally distributed 8-shaped shape in inner chamber (8) cross section of the pump housing (1), along pump housing axial distribution, at least 6 jacketed type cooling liquid inner chambers (4) are arranged in the shell wall of the pump housing (1) shell, the surface distributed of the pump housing (1) shell has some groups of radiating fins (5).
2. the full-cool pump housing of a kind of reinforced chuck for novel Roots pump according to claim 1, it is characterized in that: described jacketed type cooling liquid inner chamber (4) axially connects whole casing wall along the pump housing (1), is especially locating to be provided with the jacketed type cooling liquid inner chamber (4) of large volume near intakeport (2) and relief opening (3).
3. the full-cool pump housing of a kind of reinforced chuck for novel Roots pump according to claim 1, it is characterized in that: the surface distributed of the described pump housing (1) shell has 6 groups of radiating fins (5), radiating fin (5) is arranged at the place, outer wall plane of the how much octagon pump housing (1) shells, and radiating fin (5) is equidistantly arranged and formed by some radiating fin that are coated with the graphite glued membrane.
4. the full-cool pump housing of a kind of reinforced chuck for novel Roots pump according to claim 1, it is characterized in that: the described pump housing (1) end face is provided with annular seal groove (6), and the pump housing (1) end in annular seal groove (6) outside is provided with equally distributed bolt hole (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200695497U CN203335405U (en) | 2013-01-19 | 2013-02-06 | Enhanced jacket all-cooling pump body for novel Roots pump |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320027561.1 | 2013-01-19 | ||
| CN201320027561 | 2013-01-19 | ||
| CN2013200695497U CN203335405U (en) | 2013-01-19 | 2013-02-06 | Enhanced jacket all-cooling pump body for novel Roots pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203335405U true CN203335405U (en) | 2013-12-11 |
Family
ID=49704082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200695497U Expired - Lifetime CN203335405U (en) | 2013-01-19 | 2013-02-06 | Enhanced jacket all-cooling pump body for novel Roots pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203335405U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062064A (en) * | 2013-01-19 | 2013-04-24 | 上海零澜机械科技有限公司 | Reinforced and jacketed fully-cooled type pump body for novel roots pump |
-
2013
- 2013-02-06 CN CN2013200695497U patent/CN203335405U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062064A (en) * | 2013-01-19 | 2013-04-24 | 上海零澜机械科技有限公司 | Reinforced and jacketed fully-cooled type pump body for novel roots pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANGHAI ELIVAC VACUUM TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHANGHAI ELIVAC COMPANY, LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Baihe Town, Qingpu District, Shanghai city 2963 201709 waiqingsong Highway No. 2 Lane 6 Building second layer Patentee after: ELIVAC Co.,Ltd. Patentee after: Xiao ran Address before: Baihe Town, Qingpu District, Shanghai city 2963 201709 waiqingsong Highway No. 2 Lane 6 Building second layer Patentee before: Shanghai ELIVAC Co.,Ltd. Patentee before: Xiao Ran |
|
| CX01 | Expiry of patent term |
Granted publication date: 20131211 |
|
| CX01 | Expiry of patent term |