CN201502744U - Airtight seal structure of rotary valve body - Google Patents
Airtight seal structure of rotary valve body Download PDFInfo
- Publication number
- CN201502744U CN201502744U CN2009201708036U CN200920170803U CN201502744U CN 201502744 U CN201502744 U CN 201502744U CN 2009201708036 U CN2009201708036 U CN 2009201708036U CN 200920170803 U CN200920170803 U CN 200920170803U CN 201502744 U CN201502744 U CN 201502744U
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- China
- Prior art keywords
- ring body
- air chamber
- gas
- gas port
- inner ring
- 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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- 238000007789 sealing Methods 0.000 claims abstract description 14
- 238000010276 construction Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 238000005338 heat storage Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
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- Multiple-Way Valves (AREA)
Abstract
The utility model relates to an airtight seal structure of a rotary valve body, which comprises a valve shell, a rotor, a stator and a plurality of sealing pieces, wherein the valve shell is characterized in that an inner ring body is arranged inside an outer ring body, an inner box body is arranged inside the inner ring body, a first air chamber is formed between the outer ring body and the inner ring body, a second air chamber is formed between the inner ring body and the inner box body, and a third air chamber is formed inside the inner box body; a circular hollow body is arranged outside the middle section of a tube body, a C-shaped hollow ring body with the diameter being more than the circular hollow body is arranged outside the top section of the tube body, two ends of the C-shaped hollow ring body are provided with two third air ports which are communicated with the interior of the tube body, the area outside the third air ports is of a second air port which is communicated with the interior of the circular hollow body, and a notch area of the C-shaped hollow ring body forms a third air port; a plurality of guide ports are divided according to the stepping angle of the rotor to cover the top edge of the rotor; and the plurality of sealing pieces correspond to through holes of the inner box body and the inner ring body and are arranged between the bottom section of the tube body and the circular hollow body. The airtight seal structure has the advantage that the airflow passage inside the rotary valve body has high sealability.
Description
Technical field
The utility model relates to a kind of rotary valve, relates in particular to a kind of airtight construction of rotary valve.
Background technique
The U.S. the 6th, 203 in the 316B1 patent case, discloses a kind of rotary valve (rotary valve) as shown in Figure 1, comprising:
One valve shell 10, in an outer ring body 11 inside one inner ring body 12 is set, and one inner box 13 is set in these inner ring body 12 inside, and separate out first air chamber 14 with inner ring body 12 by this outer ring body 11, this inner ring body 12 separates out second air chamber 15 with inner box 13, and these inner box 13 inside then become the 3rd air chamber 16, and makes first air chamber 14 borrow first ventilating hole 17 to be communicated to outside the shell, second air chamber 15 is communicated to outside the shell by second ventilating hole 18, and the 3rd air chamber 16 is communicated to outside the shell with the 3rd ventilating hole 19;
One rotor 20, in a body 21 stage casing outer installment one circular hollow 22, and in the C shape hollow ring body 23 of these body 21 top section outer installment one diameters greater than this circular hollow 22, and the two ends in the hollow ring body 23 of this C shape form two the 3rd gas ports 233 that communicate with these body 21 inside, zone beyond two the 3rd gas ports 233 becomes the second gas port 232 that communicates with this circular hollow 22 inside, the gap regions of the hollow ring body 23 of this C shape then becomes the first gas port 231, be arranged in this inner ring body 12 with this circular hollow 22, this rotor 20 is positioned this valve shell 10 inside and borrow this 21 end of body section to be arranged in this inner box 13; Again, this first gas port 231 communicates with first air chamber 14, and this second gas port 232 communicates with second air chamber 15, and the 3rd gas port 233 communicates with the 3rd air chamber 16;
One stator 30 separates out several water conservancy diversion ports 31 according to the stepping angle of this rotor 20, and cover is overlying on the apical margin of this rotor 20.
Whereby, should be used as explanation with this patent case in heat accumulating type incinerator, off-gas flows is imported in first air chamber 14 by first ventilating hole 17, and through this first gas port 231 and the water conservancy diversion port 31 of this stator 30 with respect to the zone of preheating, the heat storage tank preheating that imports the zone of preheating purifies in combustion chambers burn more again; Moreover the air-flow after burning purifies is through after the heat storage tank accumulation of heat of heat-accumulating area, then enters this second gas port 232 by this stator 30 with respect to the water conservancy diversion port 31 of heat-accumulating area, and utilizes second ventilating hole 18 to discharge through second air chamber 15; Yet, the air-flow path that is constituted with respect to the water conservancy diversion port 31 of rinsing area by the 3rd ventilating hole 19, the 3rd air chamber 16, the 3rd gas port 233 and this stator 30, then import purge gas and flow to the heat storage tank of rinsing area, avoid incinerator to produce the problem of periodically discharging untreated exhaust gas; So, the stepping of rotor 20 is rotated and will be caused the stepping rotation thereupon of its first gas port 231, the second gas port 232 and the 3rd gas port 233, and allowing the heat storage tank of heat accumulating type incinerator switch in the program of preheating, accumulation of heat and flushing, this is public technology, does not repeat them here.
Be with, aforesaid rotary valve inner area is separated out three air-flow paths, and respectively in order to exhaust gas routing air-flow, purifying gas flow and flushing air-flow, so must have good sealing property between three air-flow paths of rotary valve, blocking different air-flows mixes mutually, especially the purifying gas flow passage that is constituted with respect to the water conservancy diversion port 31 of heat-accumulating area by second ventilating hole 18, second air chamber 15, the second gas port 232 and this stator 30, its sealing is fractal key more, avoids being polluted through its purifying gas flow of discharging.
The model utility content
Technical problem underlying to be solved in the utility model is, overcomes the above-mentioned defective that prior art exists, and a kind of airtight construction of rotary valve is provided, and has to allow the effect that has high-seal between the air-flow path of rotary valve inside.
The technological scheme that its technical problem that solves the utility model adopts is:
A kind of airtight construction of rotary valve, it is characterized in that, comprise: a valve shell is provided with an inner ring body in an outer ring body inside, and in this inner ring body inside one inner box is set, and separate out first air chamber by this outer ring body and inner ring body, this inner ring body and inner box separate out second air chamber, and this inner box inside then becomes the 3rd air chamber, and make first air chamber borrow first ventilating hole to be communicated to outside the shell, second air chamber is communicated to outside the shell by second ventilating hole, and the 3rd air chamber is communicated to outside the shell with the 3rd ventilating hole; One rotor, in body stage casing outer installment one circular hollow, and in the C shape hollow ring body of this body top section outer installment one diameter greater than this circular hollow, and the two ends in the hollow ring body of this C shape form two the 3rd gas ports that communicate with this body inside, zone beyond two the 3rd gas ports becomes the second gas port that communicates with this circular hollow inside, the gap regions of the hollow ring body of this C shape then becomes the first gas port, and borrow at the bottom of this body section to be arranged in this inner box and this circular hollow is arranged in this inner ring body, this rotor is positioned this valve shell inside; Again, this first gas port communicates with first air chamber, and this second gas port communicates with second air chamber, and the 3rd gas port communicates with the 3rd air chamber; One stator separates out several water conservancy diversion ports according to the stepping angle of this rotor, and cover is overlying on the apical margin of this rotor; Several Sealings, the perforating of this inner box and this inner ring body relatively is arranged at section and this circular hollow at the bottom of this body.
The airtight construction of aforesaid rotary valve, wherein the second gas port outer periphery of the hollow ring body of C shape are surrounded with several gas holes, and provide air pressure greater than the gas wall air-flow of each gas port circulation airflow to these several gas holes, and between the second gas port and this stator, form the effect of gas wall sealing.
The airtight construction of aforesaid rotary valve, wherein Sealing is cylinder ring or graphite.
The beneficial effects of the utility model are, have to allow the effect that has high-seal between the air-flow path of rotary valve inside.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the structural representation of existing rotary valve.
Fig. 2 is a structural representation of the present utility model.
Fig. 2 A is the enlarged diagram at position shown in Figure 2.
The number in the figure explanation:
10 valve shells
11 outer ring bodies
12 inner ring bodies
13 inner box
121,131 perforatings
14 first air chambers
15 second air chambers
16 the 3rd air chambers
17 first ventilating holes
18 second ventilating holes
19 the 3rd ventilating holes
20 rotors
21 bodys
22 circular hollows
The hollow ring body of 23C shape
231 first gas ports
232 second gas ports
233 the 3rd gas ports
234 gas holes
30 stators
31 water conservancy diversion ports
40 Sealings
Embodiment
At first, see also shown in Fig. 2, Fig. 2 A, the utility model comprises:
One valve shell 10, in an outer ring body 11 inside one inner ring body 12 is set, and one inner box 13 is set in these inner ring body 12 inside, and separate out first air chamber 14 with inner ring body 12 by this outer ring body 11, this inner ring body 12 separates out second air chamber 15 with inner box 13, and these inner box 13 inside then become the 3rd air chamber 16, and makes first air chamber 14 borrow first ventilating hole 17 to be communicated to outside the shell, second air chamber 15 is communicated to outside the shell by second ventilating hole 18, and the 3rd air chamber 16 is communicated to outside the shell with the 3rd ventilating hole 19;
One rotor 20, in a body 21 stage casing outer installment one circular hollow 22, and in the C shape hollow ring body 23 of these body 21 top section outer installment one diameters greater than this circular hollow 22, and the two ends in the hollow ring body 23 of this C shape form two the 3rd gas ports 233 that communicate with these body 21 inside, zone beyond two the 3rd gas ports 233 becomes the second gas port 232 that communicates with this circular hollow 22 inside, the gap regions of the hollow ring body 23 of this C shape then becomes the first gas port 231, be arranged in this inner ring body 12 with this circular hollow 22, this rotor 20 is positioned this valve shell 10 inside and borrow this 21 end of body section to be arranged in this inner box 13; Again, this first gas port 231 communicates with first air chamber 14, and this second gas port 232 communicates with second air chamber 15, and the 3rd gas port 233 communicates with the 3rd air chamber 16;
One stator 30 separates out several water conservancy diversion ports 31 according to the stepping angle of this rotor 20, and cover is overlying on the apical margin of this rotor 20;
In addition, the second gas port, 232 outer periphery of the hollow ring body 23 of this C shape are surrounded with several gas holes 234, and provide air pressure greater than the gas wall air-flow of each gas port 231,232,233 circulation airflow to these several gas holes 234, and between the second gas port 232 and this stator 30, form the effect of gas wall sealing (airsealing).
Based on as above constituting, the utility model is in several Sealings 40 that the place is provided with that wear of this 21 end of body section and this inner box 13, this circular hollow 22 and this inner ring body 12, add formed gas wall air-flow between this second gas port 232 and this stator 30, make 14,15,16 of each air chambers can not produce the situation of leakage with each gas port 231,232,233; Be with, have and allow the effect that has high-seal between the air-flow path of rotary valve inside.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.
In sum, the utility model is on structural design, use practicability and cost benefit, it is required to meet industry development fully, and the structure that is disclosed also is to have unprecedented innovation structure, have novelty, creativeness, practicability, the regulation that meets relevant novel patent requirement is so mention application in accordance with the law.
Claims (3)
1. the airtight construction of a rotary valve is characterized in that, comprising:
One valve shell, in an outer ring body inside one inner ring body is set, and one inner box is set in this inner ring body inside, and separate out first air chamber by this outer ring body and inner ring body, this inner ring body and inner box separate out second air chamber, and this inner box inside then becomes the 3rd air chamber, and make first air chamber borrow first ventilating hole to be communicated to outside the shell, second air chamber is communicated to outside the shell by second ventilating hole, and the 3rd air chamber is communicated to outside the shell with the 3rd ventilating hole;
One rotor, in body stage casing outer installment one circular hollow, and in the C shape hollow ring body of this body top section outer installment one diameter greater than this circular hollow, and the two ends in the hollow ring body of this C shape form two the 3rd gas ports that communicate with this body inside, zone beyond two the 3rd gas ports becomes the second gas port that communicates with this circular hollow inside, the gap regions of the hollow ring body of this C shape then becomes the first gas port, and borrow at the bottom of this body section to be arranged in this inner box and this circular hollow is arranged in this inner ring body, this rotor is positioned this valve shell inside; Again, this first gas port communicates with first air chamber, and this second gas port communicates with second air chamber, and the 3rd gas port communicates with the 3rd air chamber;
One stator separates out several water conservancy diversion ports according to the stepping angle of this rotor, and cover is overlying on the apical margin of this rotor;
Several Sealings, the perforating of this inner box and this inner ring body relatively is arranged at section and this circular hollow at the bottom of this body.
2. the airtight construction of rotary valve according to claim 1, it is characterized in that: the second gas port outer periphery of the hollow ring body of described C shape are surrounded with several gas holes, and provide air pressure greater than the gas wall air-flow of each gas port circulation airflow to these several gas holes, and between the second gas port and this stator, form the effect of gas wall sealing.
3. the airtight construction of rotary valve according to claim 1 and 2, it is characterized in that: described Sealing is cylinder ring or graphite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201708036U CN201502744U (en) | 2009-08-07 | 2009-08-07 | Airtight seal structure of rotary valve body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201708036U CN201502744U (en) | 2009-08-07 | 2009-08-07 | Airtight seal structure of rotary valve body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201502744U true CN201502744U (en) | 2010-06-09 |
Family
ID=42453677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201708036U Expired - Fee Related CN201502744U (en) | 2009-08-07 | 2009-08-07 | Airtight seal structure of rotary valve body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201502744U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808705A (en) * | 2012-07-23 | 2012-12-05 | 济南汉菱电气有限公司 | Cylinder type gas spraying valve |
| CN107143669A (en) * | 2017-07-06 | 2017-09-08 | 西安昱昌环境科技有限公司 | A kind of heat accumulating burner rotary valve |
| CN108071816A (en) * | 2017-07-10 | 2018-05-25 | 山东理工大学 | Heat storage burner rotary reversing valve |
| CN109084038A (en) * | 2018-11-07 | 2018-12-25 | 苏州成元环保科技有限公司 | A kind of airtight anti-sticking oxidation furnace rotary valve |
-
2009
- 2009-08-07 CN CN2009201708036U patent/CN201502744U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808705A (en) * | 2012-07-23 | 2012-12-05 | 济南汉菱电气有限公司 | Cylinder type gas spraying valve |
| CN107143669A (en) * | 2017-07-06 | 2017-09-08 | 西安昱昌环境科技有限公司 | A kind of heat accumulating burner rotary valve |
| CN108071816A (en) * | 2017-07-10 | 2018-05-25 | 山东理工大学 | Heat storage burner rotary reversing valve |
| CN108071816B (en) * | 2017-07-10 | 2019-04-05 | 山东理工大学 | Heat storage burner rotary reversing valve |
| CN109084038A (en) * | 2018-11-07 | 2018-12-25 | 苏州成元环保科技有限公司 | A kind of airtight anti-sticking oxidation furnace rotary valve |
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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: 20100609 Termination date: 20140807 |
|
| EXPY | Termination of patent right or utility model |