CN205605426U - Spinning vacuum pump - Google Patents
Spinning vacuum pump Download PDFInfo
- Publication number
- CN205605426U CN205605426U CN201620105575.4U CN201620105575U CN205605426U CN 205605426 U CN205605426 U CN 205605426U CN 201620105575 U CN201620105575 U CN 201620105575U CN 205605426 U CN205605426 U CN 205605426U
- Authority
- CN
- China
- Prior art keywords
- pump
- spinning
- spacing block
- inner circle
- bearing
- 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.)
- Expired - Fee Related
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- Applications Or Details Of Rotary Compressors (AREA)
- Rotary Pumps (AREA)
Abstract
The utility model provides a spinning vacuum pump is equipped with the recess on the disc in the pump body between its evacuation induction port and gas vent, is equipped with the spacing block in the recess, spacing block one end with arrange in about on the pump cover rotatable staff be connected other end lower part rounding cylinder, the rotor comprises pivot, eccentric wheel, bearing, spinning ring sum balancing piece. The eccentric fixed connection of pivot and eccentric wheel, with the pump body in the coaxial setting of circle, two be fixed in respectively about on the pump cover, be connected with the balancing piece outside left pump cover. The concentric fixed connection of circle in eccentric wheel and the bearing of locating its both sides, the bearing excircle contacts with the concentric fixed connection of spinning intra -annular circle, the interior disc roll extrusion of the spinning outer disc of ring and the pump body, is equipped with the cylinder looks coupled linking's that makes with spacing block other end lower part open -ended cylindrical hole on the outer disc that spinning encircled. This kind of spinning vacuum pump has that sealing performance is good, the evacuation is fast, vacuum is high, long service life's the characteristics that are showing.
Description
Technical field
This utility model relates to a kind of spinning vacuum pump, belongs to vacuum pump and manufactures field.
Background technology
The rotary-vane vaccum pump sold in the market, its rotor is designed with blade, the most a piece of, as our company is sent out
Bright a kind of single-stage rotary vane type vacuum pump, Patent No. 201420401062.9 is exactly such.It is main that this kind of vacuum pump exists
Shortcoming: one is vane end faces and pump body inner circle face is that sliding contact seals, and sealing effectiveness is poor, vacuum pumping rate is slow, vacuum is low；
Two is that vane end faces is easy to wear because of sliding contact friction with pump body inner circle face, and blade is short for service life.
Utility model content
The deficiency existed for existing rotary-vane vaccum pump, this utility model provides the spinning not setting blade on a kind of rotor
Vacuum pump, it is made up of pump case, rotor and motor.Described pump case is made up of the pump housing, left pump cover, right pump cover and protective cover.Institute
State the pump housing and be provided with air entry and the air vent of evacuation.It is characterized in that: the pump housing between described air entry and air vent
Inner headed face is provided with groove, is provided with spacing block in groove, one end of spacing block be placed in rotating little axle phase on the pump cover of left and right
Connecting, the other end of spacing block contacts with groove one end, and contact position is provided with sealing device one, and cylinder is made in its underpart；Institute
State rotor to be made up of rotating shaft, eccentric, bearing, spinning ring and balance weight.Described rotating shaft is fixing with eccentric bias to be connected and pump
Internal circle is coaxially disposed, two is individually fixed on the pump cover of left and right, is connected with balance weight outside left pump cover.Described bias
Taking turns fix concentric with the bearing inner circle being located at its both sides to be connected, fix concentric with described spinning ring inner circle of bearing top circle is connected, rotation
Pressure ring periphery and pump body inner circle face rolling contact, contact surface is provided with sealing device two, is provided with on the periphery of spinning ring
The cylindrical hole of opening, the cylinder that this cylindrical hole is made with spacing block other end bottom is coupled and is connected.
Described sealing device one is made up of sealing strip one, and described sealing strip one is located at the spacing block other end or groove one end.
Described sealing device two is made up of a plurality of sealing strip two, and described sealing strip two is located on spinning ring periphery or the pump housing
On inner headed face.
The beneficial effects of the utility model: one is rotor spinning ring periphery and pump body inner circle face rolling contact, sealing
Energy is good, evacuation is fast, vacuum is high；Two is that rotor spinning ring is the most easy to wear, and service life is long.
Accompanying drawing explanation
Fig. 1 is this utility model A-A sectional view.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the B-B sectional view of this utility model embodiment one.
Fig. 4 is C-C partial sectional view.
Fig. 5 is the B-B sectional view of this utility model embodiment two.
In figure: 1. the pump housing, 2. rotor, the most left pump cover, the rightest pump cover, 5. protective cover, 6. motor, 11. air entries, 12. rows
QI KOU, 13. grooves, 14. spacing blocks, 141. cylinders, 142. sealing strips one, 15. little axles, 21. rotating shafts, 22. eccentrics, 23.
Bearing, 24. spinning rings, 241. cylindrical holes, 242. sealing strips two, 25. balance weights.
Detailed description of the invention
Embodiment one: as shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of spinning vacuum pump, it is by pump case, rotor 2 and motor 6
Composition.Described pump case is made up of the pump housing 1, left pump cover 3, right pump cover 4 and protective cover 5.The described pump housing 1 is provided with the suction of evacuation
QI KOU 11 and air vent 12.It is characterized in that: be provided with recessed on the pump housing 1 inner headed face between described air entry 11 and air vent 12
Groove 13, is provided with spacing block 14 in groove 13, one end of spacing block 14 be placed in rotating little axle on left pump cover 3 and right pump cover 4
15 are connected, and spacing block 14 other end contacts with groove 13 one end, and contact position is provided with sealing device one, spacing block 14 other end
Cylinder 141 is made in bottom；Described rotor 2 is made up of rotating shaft 21, eccentric 22, bearing 23, spinning ring 24 and balance weight 25.Institute
State that rotating shaft 21 and eccentric 22 are eccentric fixing to be connected and the described pump housing 1 inner circle is coaxially disposed, rotating shaft 21 two is individually fixed in a left side
Pump cover 3 with on right pump cover 4, be connected with balance weight 25 outside left pump cover 3.Described eccentric 22 and the bearing being located at its both sides
23 inner circles are fixing with one heart to be connected, and fix concentric with described spinning ring 24 inner circle of bearing 23 cylindrical is connected, the periphery of spinning ring 24
With the pump housing 1 inner headed face rolling contact, contact surface is provided with sealing device two, is provided with the circle of opening on the periphery of spinning ring 24
Cylindrical hole 241, the cylinder 141 that this cylindrical hole 241 is made with spacing block 14 other end bottom is coupled and is connected.
Described sealing device one is made up of sealing strip 1, and described sealing strip 1 is located at spacing block 14 other end.
Described sealing device two is made up of a plurality of sealing strip 2 242, and described sealing strip 2 242 is located at spinning ring 24 periphery
On.
Embodiment two: as shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 5, a kind of spinning vacuum pump, by pump case, rotor 2 and motor 6
Composition.Described pump case is made up of the pump housing 1, left pump cover 3, right pump cover 4 and protective cover 5.The described pump housing 1 is provided with the suction of evacuation
QI KOU 11 and air vent 12.It is characterized in that: be provided with recessed on the pump housing 1 inner headed face between described air entry 11 and air vent 12
Groove 13, is provided with spacing block 14 in groove 13, one end of spacing block 14 be placed in rotating little axle on left pump cover 3 and right pump cover 4
15 are connected, and spacing block 14 other end contacts with groove 13 one end, and contact position is provided with sealing device one, spacing block 14 other end
Cylinder 141 is made in bottom；Described rotor 2 is made up of rotating shaft 21, eccentric 22, bearing 23, spinning ring 24 and balance weight 25.Institute
State that rotating shaft 21 and eccentric 22 are eccentric fixing to be connected and the described pump housing 1 inner circle is coaxially disposed, rotating shaft 21 two is individually fixed in a left side
Pump cover 3 with on right pump cover 4, rotating shaft 21 is connected with balance weight 25 outside left pump cover 3.Described eccentric 22 be located at its both sides
Bearing 23 inner circle fixing with one heart connect, fix concentric with described spinning ring 24 inner circle of bearing 23 cylindrical is connected, outside spinning ring 24
Disc and the pump housing 1 inner headed face rolling contact, contact surface is provided with sealing device two, is provided with opening on the periphery of spinning ring 24
Cylindrical hole 241, the cylinder 141 that this cylindrical hole 241 is made with spacing block 14 other end bottom is coupled and is connected.
Described sealing device one is made up of sealing strip 1, and described sealing strip 1 is located at groove 13 one end.
Described sealing device two is made up of a plurality of sealing strip 2 242, and described sealing strip 2 242 is located on the pump housing 1 inner headed face.
The embodiment above, makes the pump housing 1 inner chamber form the low pressure of evacuation in spacing block 14 evacuation air entry 11 side
The higher-pressure region of the outside aerofluxus in district and air vent 12 side.Under the driving of motor 6, spinning ring 24 is in the bias driven by rotating shaft 21
Rotation is constantly rolled along the pump housing 1 inner headed face under the continuous spinning of wheel 22, thus at the pump housing 1 inner chamber spacing block 14 evacuation air entry
11 sides constantly form low-pressure area and realize container vacuum-pumping.
Claims (3)
1. a spinning vacuum pump, is made up of pump case, rotor and motor, and described pump case is by the pump housing, left pump cover, right pump cover and protection
Cover composition, is provided with air entry and the air vent of evacuation on the described pump housing, it is characterised in that: at described air entry and air vent
Between pump body inner circle face be provided with groove, be provided with spacing block in groove, one end of spacing block can turn with being placed on the pump cover of left and right
Dynamic little axle is connected, the other end of spacing block contacts with groove one end, and contact position is provided with sealing device one, and its underpart is made
Cylinder；Described rotor is made up of rotating shaft, eccentric, bearing, spinning ring and balance weight, and described rotating shaft is fixed with eccentric bias
Connection is coaxially disposed with pump body inner circle, two is individually fixed on the pump cover of left and right, is connected with balance weight outside left pump cover,
Fix concentric with the bearing inner circle being located at its both sides of described eccentric is connected, and bearing top circle is concentric with described spinning ring inner circle to be fixed
Connecting, spinning ring periphery and pump body inner circle face rolling contact, contact surface is provided with sealing device two, at the periphery of spinning ring
Being provided with the cylindrical hole of opening, the cylinder that this cylindrical hole is made with spacing block other end bottom is coupled and is connected.
A kind of spinning vacuum pump the most according to claim 1, it is characterised in that: described sealing device one is by sealing strip one group
Becoming, described sealing strip one is located at the spacing block other end or groove one end.
A kind of spinning vacuum pump the most according to claim 1, it is characterised in that: described sealing device two is by a plurality of sealing strip
Two compositions, described sealing strip two is located on spinning ring periphery or on pump body inner circle face.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620105575.4U CN205605426U (en) | 2016-01-29 | 2016-01-29 | Spinning vacuum pump |
| PCT/CN2017/071666 WO2017129027A1 (en) | 2016-01-29 | 2017-01-19 | Rotary-pressing air pump |
| PCT/CN2017/071667 WO2017129028A1 (en) | 2016-01-29 | 2017-01-19 | Spinning air pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620105575.4U CN205605426U (en) | 2016-01-29 | 2016-01-29 | Spinning vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205605426U true CN205605426U (en) | 2016-09-28 |
Family
ID=56960324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620105575.4U Expired - Fee Related CN205605426U (en) | 2016-01-29 | 2016-01-29 | Spinning vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205605426U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545739A (en) * | 2016-01-29 | 2016-05-04 | 南通广兴气动设备有限公司 | Spinning vacuum pump |
| WO2017129028A1 (en) * | 2016-01-29 | 2017-08-03 | 南通广兴气动设备有限公司 | Spinning air pump |
-
2016
- 2016-01-29 CN CN201620105575.4U patent/CN205605426U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545739A (en) * | 2016-01-29 | 2016-05-04 | 南通广兴气动设备有限公司 | Spinning vacuum pump |
| WO2017129028A1 (en) * | 2016-01-29 | 2017-08-03 | 南通广兴气动设备有限公司 | Spinning air pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160928 Termination date: 20190129 |