CN209687722U - A kind of Roots vaccum pump heat dissipation disc - Google Patents
A kind of Roots vaccum pump heat dissipation disc Download PDFInfo
- Publication number
- CN209687722U CN209687722U CN201920319166.8U CN201920319166U CN209687722U CN 209687722 U CN209687722 U CN 209687722U CN 201920319166 U CN201920319166 U CN 201920319166U CN 209687722 U CN209687722 U CN 209687722U
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- China
- Prior art keywords
- disk body
- axle sleeve
- release hole
- heat release
- sleeve circle
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Abstract
A kind of Roots vaccum pump heat dissipation disc, is related to Roots vaccum pump field, comprising: axle sleeve circle；Disk body, is disc-shaped structure, and coaxial line ring set is integrally formed in the axle sleeve circle lateral surface, the disk body and axle sleeve circle；Heat release hole is equipped with inside the disk body, the heat release hole is arranged around axle sleeve circle in the shape of a spiral, and baffle is welded at the heat release hole left port, and the baffle and disk body side tilt 60 degree of angles.The utility model structure is simple, using axle sleeve circle exposed part isolation bearing and disk body, guarantees the interval between disk body and bearing, when disk body rotation, the gas of shaft and bearing junction can be flowed by heat release hole, it avoids heat on bearing from gathering, bearing wear is effectively reduced.
Description
Technical field
The utility model relates to Roots vaccum pump fields, and in particular to a kind of Roots vaccum pump heat dissipation disc.
Background technique
Roots vaccum pump, which refers to, pumps the built-in lobed rotor there are two opposite direction synchronous rotary, between rotor, rotor and pump
There is slight gap between shell inner wall and a kind of non-touching positive displacement vacuum pump.It is widely used in the works such as petroleum, chemical industry, metallurgy, weaving
Industry.
Roots vaccum pump pump chamber inner rotator is fixed in two shafts, and two shafts are connected by gear, is turned to reduce
Usually lubricating chamber is arranged in pump chamber two sides pump shaft end part in axis abrasion, and convenient for being lubricated to pump shaft, however shaft is rotating
When, the oil liquid inside lubricating chamber easily infiltrates into the junction of shaft and bearing, influences to seal, for the generation for avoiding such case
Disc would generally be installed in shaft and bearing junction, drive disc to rotate using shaft, blocked and be stained in shaft
The access that lubricating oil leaks out.
Though traditional disc can obstruct oil liquid and enter at bearing, since bearing is closer with disc installation site,
It is easy to cause bearing heat dissipation bad, leads to bearing wear, influence the service life of vacuum pump.
Utility model content
What the utility model to be overcome is that Roots vaccum pump middle (center) bearing is closer with disc installation site, be easy to cause axis
It is bad to hold heat dissipation, the problem of leading to bearing wear, influence the service life of vacuum pump, it is therefore an objective to provide a kind of Roots vaccum pump use
Radiate disc.
A kind of Roots vaccum pump heat dissipation disc, comprising:
Axle sleeve circle；
Disk body, is disc-shaped structure, coaxial line ring set in the axle sleeve circle lateral surface, the disk body and axle sleeve circle one at
Type；
Heat release hole is equipped with inside the disk body, the heat release hole is arranged around axle sleeve circle in the shape of a spiral, and the heat release hole is left
Baffle is welded at port, the baffle and disk body side tilt 60 degree of angles.
Further, exposed one end outside disk body left hand external, the exposed disk body of axle sleeve circle in axle sleeve circle one end
End is fixed with apical ring block, and an annular groove is formed between the apical ring block and disk body, and the heat release hole left port is located at the annular
Inside slot.
Further, apical ring block left side is embedded with sealing rubber ring.
Further, the heat release hole both ends are located at disk body two sides, heat release hole spiral internal diameter etc. from left to right
Distance increases.
Further, the disk body left side is welded with several scraping blades, and the scraping blade is arranged along disk body radial direction.
Further, the scraping blade is located at outside annular groove.
The beneficial effects of the utility model are:
The utility model structure is simple, and axle sleeve circle one end end is exposed outside disk body, in installation process that axle sleeve circle is naked
Expose one end to be mounted in shaft towards bearing, axle sleeve circle end and bearing touch, axis is isolated using axle sleeve circle exposed part
It holds and disk body, the interval between guarantee disk body and bearing carries out gas at shaft using inclined baffle when disk body rotation
Cutting, the gas of shaft and bearing junction can be flowed by heat release hole, avoid heat on bearing from gathering, axis is effectively reduced
Hold abrasion.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the utility model；
Fig. 2 is the structure chart of the utility model；
In figure: 1. axle sleeve circles；2. disk body；12. heat release hole；13. baffle；21. apical ring block；31. sealing rubber ring；32. scraping blade.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under
Face combines and is specifically illustrating, and the utility model is further described.
Embodiment 1
As shown in Figure 1 and Figure 2；A kind of Roots vaccum pump heat dissipation disc, comprising:
Axle sleeve circle 1；
Disk body 2, is disc-shaped structure, and coaxial line ring set is integrally formed in 1 lateral surface of axle sleeve circle, disk body 2 and axle sleeve circle 1；
Heat release hole 12 is equipped with inside disk body 2, heat release hole 12 is arranged around axle sleeve circle 1 in the shape of a spiral, 12 left port of heat release hole
Place is welded with baffle 13, and baffle 13 and 2 side of disk body tilt 60 degree of angles；
When disk body 2 rotates, gas at shaft is cut using inclined baffle 13, shaft and bearing junction
Gas can be flowed by heat release hole 12, avoid heat on bearing from gathering, bearing wear is effectively reduced.
1 one end of axle sleeve circle is exposed in 2 left hand external of disk body, and the exposed 2 outside one end end of disk body of axle sleeve circle 1 is fixed with apical ring
Block 21 forms an annular groove between apical ring block 21 and disk body 2,12 one end port of heat release hole is located inside the annular groove；Axle sleeve circle 1
One end end is exposed outside disk body 2, and axle sleeve circle 1 is exposed one end in installation process and is mounted in shaft towards bearing,
1 end of axle sleeve circle and bearing touch are guaranteed between disk body 2 and bearing using 1 exposed part isolation bearing of axle sleeve circle and disk body 2
Interval, the air-flow by heat release hole 12 is buffered using apical ring block 21, avoid disk body 2 rotate when, 12 pairs of gas of heat release hole
Flow the lubricating oil that suction is excessive, on absorption bearing.
21 left side of apical ring block is embedded with sealing rubber ring 31；1 exposed part of installation process axis lasso is contacted with bearing inner ring,
Guarantee that axle sleeve circle 1 and bearing junction seal using sealing rubber ring 31, lubricating oil is avoided to immerse to bearing and shaft junction, shadow
Ring the sealing effect of the pump housing.
12 both ends of heat release hole are located at 2 two sides of disk body, the equidistant increase of spiral internal diameter from left to right of heat release hole 12；Disk body
2 in rotary course, and the gas at bearing is discharged by heat release hole 12, and 12 other end of heat release hole, which is arranged, closes on edge in disk body 2
Place, can effectively prevent the heat being discharged through heat release hole 12 to accumulate in shaft.
Embodiment 2
As shown in Figure 1 and Figure 2；A kind of Roots vaccum pump heat dissipation disc, comprising:
Axle sleeve circle 1；
Disk body 2, is disc-shaped structure, and coaxial line ring set is integrally formed in 1 lateral surface of axle sleeve circle, disk body 2 and axle sleeve circle 1；
Heat release hole 12 is equipped with inside disk body 2, heat release hole 12 is arranged around axle sleeve circle 1 in the shape of a spiral, 12 left port of heat release hole
Place is welded with baffle 13, and baffle 13 and 2 side of disk body tilt 60 degree of angles；
When disk body 2 rotates, gas at shaft is cut using inclined baffle 13, shaft and bearing junction
Gas can be flowed by heat release hole 12, avoid heat on bearing from gathering, bearing wear is effectively reduced.
1 one end of axle sleeve circle is exposed in 2 left hand external of disk body, and the exposed 2 outside one end end of disk body of axle sleeve circle 1 is fixed with apical ring
Block 21 forms an annular groove between apical ring block 21 and disk body 2,12 one end port of heat release hole is located inside the annular groove；Axle sleeve circle 1
One end end is exposed outside disk body 2, and axle sleeve circle 1 is exposed one end in installation process and is mounted in shaft towards bearing,
1 end of axle sleeve circle and bearing touch are guaranteed between disk body 2 and bearing using 1 exposed part isolation bearing of axle sleeve circle and disk body 2
Interval, the air-flow by heat release hole 12 is buffered using apical ring block 21, avoid disk body 2 rotate when, 12 pairs of gas of heat release hole
Flow the lubricating oil that suction is excessive, on absorption bearing.
21 left side of apical ring block is embedded with sealing rubber ring 31；1 exposed part of installation process axis lasso is contacted with bearing inner ring,
Guarantee that axle sleeve circle 1 and bearing junction seal using sealing rubber ring 31, lubricating oil is avoided to immerse to bearing and shaft junction, shadow
Ring the sealing effect of the pump housing.
12 both ends of heat release hole are located at 2 two sides of disk body, the equidistant increase of spiral internal diameter from left to right of heat release hole 12；Disk body
2 in rotary course, and the gas at bearing is discharged by heat release hole 12, and 12 other end of heat release hole, which is arranged, closes on edge in disk body 2
Place, can effectively prevent the heat being discharged through heat release hole 12 to accumulate in shaft.
As shown in Figure 2；2 left side of disk body is welded with several scraping blades 32, and scraping blade 32 is arranged along 2 radial direction of disk body；Disk body 2
Scraping blade 32 is driven to be displaced when rotation, the oil liquid inside the mobile agitation lubricating chamber of scraping blade 32, convenient for the lubrication to bearing.
Scraping blade 32 is located at outside annular groove；It avoids scraping blade 32 from influencing gas at bearing and passes through heat release hole 12.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (6)
1. a kind of Roots vaccum pump heat dissipation disc characterized by comprising
Axle sleeve circle (1)；
Disk body (2) is disc-shaped structure, and coaxial line ring set is in axle sleeve circle (1) lateral surface, the disk body (2) and axle sleeve circle
(1) it is integrally formed；
Heat release hole (12) are equipped with inside the disk body (2), the heat release hole (12) is arranged around axle sleeve circle (1) in the shape of a spiral, institute
It states and is welded with baffle (13) at heat release hole (12) left port, the baffle (13) and disk body (2) side tilt 60 degree of angles.
2. a kind of Roots vaccum pump according to claim 1 heat dissipation disc, which is characterized in that the axle sleeve circle (1)
One end is exposed in disk body (2) left hand external, and the exposed disk body of the axle sleeve circle (1) (2) external one end end is fixed with apical ring block
(21), an annular groove is formed between the apical ring block (21) and disk body (2), heat release hole (12) left port is located at the annular groove
It is internal.
3. a kind of Roots vaccum pump according to claim 2 heat dissipation disc, which is characterized in that the apical ring block (21)
Left side is embedded with sealing rubber ring (31).
4. a kind of Roots vaccum pump according to claim 2 heat dissipation disc, which is characterized in that the heat release hole (12)
Both ends are located at disk body (2) two sides, heat release hole (12) the equidistant increase of spiral internal diameter from left to right.
5. a kind of Roots vaccum pump according to claim 2 heat dissipation disc, which is characterized in that the disk body (2) is left
Side side is welded with several scraping blades (32), and the scraping blade (32) is arranged along disk body (2) radial direction.
6. a kind of Roots vaccum pump according to claim 5 heat dissipation disc, which is characterized in that scraping blade (32) position
Outside annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920319166.8U CN209687722U (en) | 2019-03-13 | 2019-03-13 | A kind of Roots vaccum pump heat dissipation disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920319166.8U CN209687722U (en) | 2019-03-13 | 2019-03-13 | A kind of Roots vaccum pump heat dissipation disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209687722U true CN209687722U (en) | 2019-11-26 |
Family
ID=68604691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920319166.8U Active CN209687722U (en) | 2019-03-13 | 2019-03-13 | A kind of Roots vaccum pump heat dissipation disc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209687722U (en) |
-
2019
- 2019-03-13 CN CN201920319166.8U patent/CN209687722U/en active Active
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