CN202642722U - High-airtight wear-resistant air lock - Google Patents
High-airtight wear-resistant air lock Download PDFInfo
- Publication number
- CN202642722U CN202642722U CN 201220331539 CN201220331539U CN202642722U CN 202642722 U CN202642722 U CN 202642722U CN 201220331539 CN201220331539 CN 201220331539 CN 201220331539 U CN201220331539 U CN 201220331539U CN 202642722 U CN202642722 U CN 202642722U
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- linear
- annular seal
- blade
- wear
- plate
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Abstract
The utility model discloses a high-airtight wear-resistant air lock. The high-airtight wear-resistant air lock comprises a cylindrical shell, an end cover and a rotating shaft, wherein a blade is arranged on the rotating shaft, round wall plates are arranged at two ends of the blade, a linear seal groove is arranged on the surface of the outer edge of the blade, a linear seal strip is arranged at the lower part of the linear seal groove and provided with a linear seal plate, circular seal grooves are arranged on the excircular surfaces of the round wall plates, and a circular seal strip is arranged in a circular inner ring and externally provided with a circular seal plate. A pressure balance hole is arranged on a bearing seat at the outer side of a bearing, the cross sections of the linear seal strip and the circular seal strip are both circular, the width of the linear seal plates is smaller than thickness, and the width of each circular seal plate is larger than the thickness. The high-airtight wear-resistant air lock is good in sealing effect, stable to operate, and long in service life, and a great amount of energy for keeping high pressure or high vacuum degree can be greatly reduced.
Description
One. technical field:The present invention relates to a kind of air sealer, particularly relate to a kind of high airtight anti-wear airlock.
Two. background technology:The industries such as flour, cement, grain are all used air sealer usually at present, housing and the rotary blade of air sealer are all cylinder iron made, when the blade on the impeller rotates at the housing inner chamber, material can enter at any time between the two the gap and make damage in impeller, causes the gap to increase, and air sealer seriously leaks out, to such an extent as to destroy the balance of whole system, behind the blade wear, only have the air sealer that more renews, cause operating cost to increase.For this situation, people take measures to improve the leak tightness between blade and the housing, and still, the raising of leak tightness causes in the blade rotation process and produces difference of pressure, has increased the blade rotation resistance, has increased power consumption.
Three. summary of the invention:
Technical matters to be solved by this invention is: overcome the defective of prior art, a kind of good sealing effect is provided, operates steadily, the high airtight anti-wear airlock of long service life.
Technical scheme of the present invention: a kind of high airtight anti-wear airlock, contain cylindrical housings, end cap and rotating shaft, described rotating shaft two ends are connected the bearing seat rotary type that is provided with end cap by bearing and are connected with seal ring, in the described rotating shaft blade is installed, described blade two ends are provided with round wallboard, the round wallboard at adjacent blades and two ends forms feed bin, on the described cylindrical housings, the lower end be respectively equipped with into, discharging opening, be provided with the linear seal groove on the outer fringe surface of described blade, described linear seal groove bottom is placed with the linear sealing band, be placed with the linear closing plate on the described linear sealing band, the annular seal groove is set on the outer round surface of described round wallboard, described annular arrangement inner ring is placed with the annular seal bar, described annular seal bar is placed with the annular seal plate outward, and described linear closing plate and annular seal plate make between described feed bin and the described cylindrical housings inwall and form seal silo.
The bearing seat in the described bearing outside is provided with pressure compensation opening, and the cross-sectional plane of described linear sealing band and annular seal bar is circle, and the width of described linear closing plate is less than thickness, and the width of described annular seal plate is greater than thickness.
Described linear sealing band and annular seal bar are rubber strip, and described linear closing plate and annular seal plate are steel plate.
Be provided with the balance decompression hole on the described cylindrical housings, the inner in this balance decompression hole is communicated with the inner chamber of described cylindrical housings.Described blade is eight, and perhaps, described blade is six.
Beneficial effect of the present invention:
1, the present invention is provided with novel seal mechanism at blade and circle wallboard, has improved the air-tightness of air sealer, has also improved the resistance to abrasion of air sealer simultaneously, has prolonged service life, has reduced use cost.
2, the present invention is provided with pressure compensation opening at the bearing seat of end cap, and the equilibrium of pressure in when work bearing both sides reduces the leakage material amount of air sealer greatly.
3, cross-sectional plane all is set for circular sealing band on blade of the present invention and the circle wallboard, has compensation ability, improve air-tightness, in addition, the closing plate that adopts on blade and the circle wallboard is steel plate, and resistance to abrasion is good, long service life.
4, the present invention is provided with the balance decompression hole in cylindrical housings, can reduce difference of pressure, and then reduces bad seals, increases sealing effectiveness.
5, range of use of the present invention is wide, is particularly useful for high pressure or vacuum storehouse and high pressure gas and carries, and can greatly be reduced to the mass energy that keeps high pressure or degree of vacuum and consume, and has preferably economic benefit.
Four. description of drawings:
Fig. 1 is the structural representation of high airtight anti-wear airlock;
Fig. 2 is the lateral plan of high airtight anti-wear airlock shown in Figure 1;
Fig. 3 is A place enlarged drawing among Fig. 1;
Fig. 4 is B place enlarged drawing among Fig. 2.
Five. the specific embodiment:
Embodiment: referring to Fig. 1-Fig. 4, among the figure, the 1-seal cover cap, the 2-pressure compensation opening, 3-end cap, 4-circle wallboard, 5-annular seal bar, 6-annular seal plate, 7-linear closing plate, 8-linear sealing band, 9-blade, 10-rotating shaft, the 11-inlet point, 12-cylindrical housings, 13-bearing, the 14-seal ring, the 15-butt flange.
High airtight anti-wear airlock contains cylindrical housings 12, end cap 3 and rotating shaft 10, are connected with seal ring by bearing 13 and are connected with the bearing seat rotary type that end cap 3 is provided with respectively in rotating shaft 10 two ends, blade 9 is installed in the rotating shaft 10, blade 9 two ends are provided with round wallboard 4, the round wallboard 4 at adjacent blades 9 and two ends forms feed bin, on the cylindrical housings 12, the lower end be respectively equipped with into, discharging opening, advance, discharging opening is provided with outside butt flange 15, butt flange is provided with mounting hole, wherein: be provided with the linear seal groove on the outer fringe surface of blade 9, linear seal groove bottom is placed with linear sealing band 8, be placed with linear closing plate 7 on the linear sealing band 8, on the outer round surface of circle wallboard 4 the annular seal groove is set, the annular arrangement inner ring is placed with annular seal bar 5, be placed with annular seal plate 6 outside the annular seal bar 5, linear closing plate 7 and annular seal plate 6 make between feed bin and cylindrical housings 12 inwalls and form seal silo.
The bearing seat in bearing 13 outsides is provided with pressure side's balance hole 2, and the cross-sectional plane of linear sealing band 8 and annular seal bar 5 is circle, and the width of linear closing plate 7 is less than thickness, and the width of annular seal plate 6 is greater than thickness.Seal ring 14 adopts backbone sealing ring.
As required, be provided with balance decompression hole (not shown in FIG.) on the cylindrical housings 12, the inner in this balance decompression hole is communicated with the inner chamber of cylindrical housings 12.Blade can be adopted as eight, also can adopt six, can also adopt other quantity, does not describe in detail one by one.
During use, an end of rotating shaft 10 is connected with motor, and the charging and discharging mouth is fixed on the relevant device by mounting hole respectively and gets final product, and pressure compensation opening 2 is communicated with pressed gas, and the pressure of bearing 13 both sides is equated, effectively prevents the material leakage.Adopt eight blade 2, can form a plurality of sealing bands, the two pairs of intercommunicating porosities 5,8 reduce the difference of pressure of same sealing band both sides, reduce the inlet and outlet amount, increase sealing effectiveness.
The specific constructive form that changes the quantity of blade, the concrete structure that changes sealing band, change closing plate can form a plurality of embodiment, is common variation of the present invention, does not describe in detail one by one at this.
Claims (5)
1. high airtight anti-wear airlock, contain cylindrical housings, end cap and rotating shaft, described rotating shaft two ends are connected the bearing seat rotary type that is provided with end cap by bearing and are connected with seal ring, in the described rotating shaft blade is installed, described blade two ends are provided with round wallboard, the round wallboard at adjacent blades and two ends forms feed bin, on the described cylindrical housings, the lower end be respectively equipped with into, discharging opening, it is characterized in that: be provided with the linear seal groove on the outer fringe surface of described blade, described linear seal groove bottom is placed with the linear sealing band, be placed with the linear closing plate on the described linear sealing band, the annular seal groove is set on the outer round surface of described round wallboard, described annular arrangement inner ring is placed with the annular seal bar, described annular seal bar is placed with the annular seal plate outward, and described linear closing plate and annular seal plate make between described feed bin and the described cylindrical housings inwall and form seal silo.
2. high airtight anti-wear airlock according to claim 1, it is characterized in that: the bearing seat in the described bearing outside is provided with pressure compensation opening, the cross-sectional plane of described linear sealing band and annular seal bar is circle, the width of described linear closing plate is less than thickness, and the width of described annular seal plate is greater than thickness.
3. high airtight anti-wear airlock according to claim 2, it is characterized in that: described linear sealing band and annular seal bar are rubber strip, and described linear closing plate and annular seal plate are steel plate.
4. each described high airtight anti-wear airlock according to claim 1-3, it is characterized in that: be provided with the balance decompression hole on the described cylindrical housings, the inner in this balance decompression hole is communicated with the inner chamber of described cylindrical housings.
5. high airtight anti-wear airlock according to claim 4, it is characterized in that: described blade is eight, perhaps, described blade is six.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220331539 CN202642722U (en) | 2012-07-10 | 2012-07-10 | High-airtight wear-resistant air lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220331539 CN202642722U (en) | 2012-07-10 | 2012-07-10 | High-airtight wear-resistant air lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202642722U true CN202642722U (en) | 2013-01-02 |
Family
ID=47411860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220331539 Expired - Fee Related CN202642722U (en) | 2012-07-10 | 2012-07-10 | High-airtight wear-resistant air lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202642722U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104743328A (en) * | 2014-01-01 | 2015-07-01 | 程长青 | High-airtight type discharging valve |
| CN107324058A (en) * | 2017-05-27 | 2017-11-07 | 杨朴 | A kind of pressure-resistant revolving plow reclaimer |
-
2012
- 2012-07-10 CN CN 201220331539 patent/CN202642722U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104743328A (en) * | 2014-01-01 | 2015-07-01 | 程长青 | High-airtight type discharging valve |
| CN107324058A (en) * | 2017-05-27 | 2017-11-07 | 杨朴 | A kind of pressure-resistant revolving plow reclaimer |
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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 |
Granted publication date: 20130102 Termination date: 20150710 |
|
| EXPY | Termination of patent right or utility model |