CN204805641U - Flue check valve - Google Patents
Flue check valve Download PDFInfo
- Publication number
- CN204805641U CN204805641U CN201520513339.1U CN201520513339U CN204805641U CN 204805641 U CN204805641 U CN 204805641U CN 201520513339 U CN201520513339 U CN 201520513339U CN 204805641 U CN204805641 U CN 204805641U
- Authority
- CN
- China
- Prior art keywords
- diameter
- valve body
- check valve
- flue
- closure
- 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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Abstract
The utility model discloses a flue check valve of public flue or exhaust passage. This check valve includes base, valve body and case, and the valve body is equipped with import and export, and the base is fixed in the exit of valve body, and the case is located the valve body, and its structural feature is the case comprises the opening of a body structure, guide part, transition portion and closure portion, and wherein the opening lies in the top of guide part, and closure is connected in the bottom of guide part through transition portion, closure portion comprises two laminatings closed piece together, still be equipped with the reducing circle, the reducing circle is fixed in the import department of valve body, and the outline of reducing circle is ring shape, is equipped with the annular clamping ring of the different diameter sizes of a plurality of in it, the outline of reducing circle also can be the taper shape, and its surface is equipped with a plurality of rings of fold form archs. The utility model has the advantages of simple structure, simple to operate, easily maintain that it influences and lead to unable work to wash, be difficult for receiving the greasy dirt to form a scab.
Description
Technical field
The utility model relates to a kind of check valve for common flue or air outlet flue, especially a kind of check valve for flue.
Background technique
Existing check valve for flue utilizes the material such as metal, plastics to be produced into cover plate structure, by rotating shaft, cover plate is connected with valve body, this structure utilizes aerodynamics and mechanical lever principle design to form, usual cover plate and sealing strip also need to be designed to certain inclination, spirit level need be utilized to have measured level when installation, check valve for flue is arranged in desirable horizontal extent, otherwise is difficult to reach sealing effect.
As Chinese utility model patent 201120394190.1 discloses one " magnetic check valve ", its valve body and non-return impeller are flexibly connected, non-return impeller is coated with seal membrane packing ring, the inner chamber of valve body is provided with column, column is provided with screw, the groove of non-return impeller is built-in with magnet, and the rotating shaft that the non-return impeller of two semicircle impeller symmetry formations is consisted of two lug is rotated in the inner chamber of valve body.But when in flue, air-flow is below certain flow, the screw in valve body is together with the magnet absorption on non-return impeller, and valve channel is closed; Flue gas stream reaches after more than certain flow, and the screw in valve body is separated with the magnet on non-return impeller, and valve channel is opened.This magnetic check valve is by the closed of non-return impeller or open the combination realizing point and point or point and face between non-return impeller and valve body, thus reaches to common flue smoke evacuation and stop the object that common flue oil smoke pours in down a chimney.This body structure surface is seen be the problem solving smoke evacuation and prevent oil smoke from pouring in down a chimney, but along with the increase of service time, oil smoke can form greasy dirt incrustation gradually on the parts such as valve inner, non-return impeller, lug, shrinkage pool, lug and shrinkage pool form greasy dirt form a scab, lug is very easily stuck, and causes non-return impeller to rotate and can not open; Seal membrane packing ring on non-return impeller forms greasy dirt incrustation, then the sealing surface between non-return impeller and valve body produces space, causes safety check to lose efficacy.This safety check is installed and need be installed in strict accordance with certain level direction simultaneously, and fitting operation is more complicated, if substantially horizontal is not controlled well, then safety check cannot normally work.
Summary of the invention
Technical problem to be solved in the utility model is to provide that a kind of structure is simple, easy for installation, easy care cleaning, be not subject to greasy dirt incrustation impact and cause the check valve for flue that cannot work.
The technical scheme in the invention for solving the above technical problem is: this check valve comprises base, valve body and spool, valve body is provided with import and outlet, base is fixed on the outlet port of valve body, spool is positioned at valve body, to be described spool be made up of the opening portion of integrative-structure, guide portion, transition part and closure its structural feature, wherein opening part is in the top of guide portion, and closure is connected to the bottom of guide portion by transition part; The close out sheet that closure is fit together by two panels forms.
The utility model is also provided with diameter-varying ring, and diameter-varying ring is fixed on the inlet of valve body; The external frame of diameter-varying ring is ring, is provided with the annular fastener rings of several different-diameter sizes in it.
The utility model is also provided with diameter-varying ring, and diameter-varying ring is fixed on the inlet of valve body; The external frame of diameter-varying ring conically, and its outer surface to be provided with some circle accordions protruding.
The gradual change circular arc tubular that transition part entirety described in the utility model is little in the large and small end opening of upper end open, and the diameter of its widest position is greater than the diameter of opening portion and guide portion.
Transition part described in the utility model is made up of the epimere integrally connected and hypomere, and epimere and hypomere are the gradual change circular arc tubular that upper end open is large, lower ending opening is little, and the diameter of epimere the widest position is greater than the diameter of opening portion and guide portion.
Closure described in the utility model by two panels undulate and the close out sheet fit together form; Closure can be one or more.
The external frame of base described in the utility model is square or circular.
Spool described in the utility model is fixed in valve body by locking cap.
The width of closure described in the utility model is identical with the diameter of transition part the widest position.
The width of closure described in the utility model is greater than the diameter of transition part the widest position.
The utility model compared with prior art, has following beneficial effect: 1, this check valve for flue structure is simple, without rotating shaft, easy for installation, without the need to using leveling instrument during installation; 2, spool material adopts silica gel, latex or other beformable body materials, opening or closing by closure, control opening or closing of check valve for flue, the two panels close out sheet of closure fits tightly when closure is closed, the structure that employing face contacts with face, therefore be not subject to the impact of greasy dirt incrustation and cause closed tight, can Long-Time Service; 3, spool and valve body are split-type structural, when maintenance clean or replacing, are removed by spool from valve body, very convenient; 4, the diameter of spool transition part the widest position is greater than the diameter of opening portion and diversion division, and the width of closure is more than or equal to the diameter of transition part the widest position, the shape that overall formation is up-small and down-big, can further improve exhaust smoke level and flue gas velocity; 5, base can be square or circular, and diameter-varying ring external frame can be ring or taper shape, can adapt to different installation environments and demand, applied widely.
Accompanying drawing explanation
Fig. 1 is the plan view of spool in the utility model embodiment 1.
Fig. 2 is the exploded view of the utility model embodiment 1.
Fig. 3 is the sectional view after the utility model embodiment 1 assembles.
Fig. 4 is the stereogram of the utility model embodiment 1.
Fig. 5 is the using state figure of the utility model embodiment 1.
Fig. 6 is the exploded view of the utility model embodiment 2.
Fig. 7 is the sectional view after the utility model embodiment 2 assembles.
Fig. 8 is the stereogram of the utility model embodiment 2.
Fig. 9 is the plan view of spool in the utility model embodiment 3.
Figure 10 is the exploded view of the utility model embodiment 3.
Figure 11 is the sectional view after the utility model embodiment 3 assembles.
Figure 12 is the exploded view of the utility model embodiment 4.
Figure 13 is the sectional view after the utility model embodiment 4 assembles.
Figure 14 is the exploded view of the utility model embodiment 5.
Figure 15 is the sectional view after the utility model embodiment 5 assembles.
Figure 16 is the exploded view of the utility model embodiment 6.
Figure 17 is the sectional view after the utility model embodiment 6 assembles.
Figure 18 is the exploded view of the utility model embodiment 7.
Figure 19 is the sectional view after the utility model embodiment 7 assembles.
Figure 20 is the exploded view of the utility model embodiment 8.
Figure 21 is the sectional view after the utility model embodiment 8 assembles.
Embodiment
Embodiment 1:
See Fig. 1-Fig. 5, the present embodiment comprises base 1, valve body 2, spool 3, diameter-varying ring 4 and locking cap 5, and valve body 2 is provided with import and outlet, and base 1 is fixed on the outlet port of valve body 2, diameter-varying ring 4 is fixed on the inlet of valve body 2, and spool 3 is positioned at valve body 2 by locking cap 5.
The material of spool 3 is silica gel, and be made up of the opening portion 31 of integrative-structure, guide portion 32, transition part 33 and closure 34, wherein opening portion 31 is positioned at the top of guide portion 32, and closure 34 is connected to the bottom of guide portion 32 by transition part 33.The gradual change circular arc tubular that transition part 33 entirety is little in the large and small end opening of upper end open, and the diameter of its widest position is greater than the diameter of opening portion 31 and guide portion 32.Closure 34 by two panels undulate and the close out sheet 35 fit together form.The width of closure 34 is identical with the diameter of transition part 33 the widest position; The width of closure 34 also can be greater than the diameter of transition part 33 the widest position.
The external frame of diameter-varying ring 4 is ring, is provided with the annular fastener rings 41 of two different-diameter sizes in it, for connecting the smoke exhaust pipe of range hood of different-diameter size.The external frame of base 1 is square.
During use, base 1 is fixed on the flue exit that developer reserves, diameter-varying ring 4 is connected with smoke exhaust pipe of range hood.When in flue during airless, the two panels close out sheet 35 of closure 34 fits tightly, and closure 34 is in hermetically closing state, the pathway closure of check valve for flue, and the oil smoke in common flue cannot pour in down a chimney; When there being air-flow in flue, under the effect of air-flow, the two panels close out sheet 35 of closure 34 is opened, and closure 34 is in open mode, and the passage of check valve for flue is opened, and oil smoke is drained into common flue.
Embodiment 2:
See Fig. 6-Fig. 8, in the present embodiment, the external frame of base 1 is rounded, and other structures are identical with embodiment 1 with using method.
Embodiment 3:
See Fig. 9-Figure 11, the present embodiment comprises base 1, valve body 2, spool 3, diameter-varying ring 4 and locking cap 5, and valve body 2 is provided with import and outlet, and base 1 is fixed on the outlet port of valve body 2, diameter-varying ring 4 is fixed on the inlet of valve body 2, and spool 3 is positioned at valve body 2 by locking cap 5.
The material of spool 3 is silica gel, and be made up of the opening portion 31 of integrative-structure, guide portion 32, transition part 33 and closure 34, wherein opening portion 31 is positioned at the top of guide portion 32, and closure 34 is connected to the bottom of guide portion 32 by transition part 33.Transition part 33 is made up of the epimere 36 integrally connected and hypomere 37, and epimere 36 and hypomere 37 are the gradual change circular arc tubular that upper end open is large, lower ending opening is little, and the diameter of epimere 36 the widest position is greater than the diameter of opening portion 31 and guide portion 32.Closure 34 by two panels undulate and the close out sheet 35 fit together form.The width of closure 34 is identical with the diameter of epimere 36 the widest position; The width of closure 34 also can be greater than the diameter of epimere 36 the widest position.
The external frame of diameter-varying ring 4 is ring, is provided with the annular fastener rings 41 of two different-diameter sizes in it, for connecting the smoke exhaust pipe of range hood of different-diameter size.The external frame of base 1 is square.
The using method of the present embodiment is identical with embodiment 1.
Embodiment 4:
See Figure 12 and Figure 13, in the present embodiment, the external frame of base 1 is rounded, and other structures are identical with embodiment 3.
The using method of the present embodiment is identical with embodiment 1.
Embodiment 5:
See Figure 14 and Figure 15, in the present embodiment, the external frame of diameter-varying ring 4 conically, and its outer surface is provided with some circles protruding 42, for connecting the smoke exhaust pipe of range hood of different-diameter size.Other structures are identical with embodiment 1.
The using method of the present embodiment is identical with embodiment 1.
Embodiment 6:
See Figure 16 and Figure 17, in the present embodiment, the external frame of base 1 is rounded, and other structures are identical with embodiment 5.
The using method of the present embodiment is identical with embodiment 1.
Embodiment 7:
See Figure 18 and Figure 19, in the present embodiment, the external frame of diameter-varying ring 4 conically, and its outer surface is provided with some circle accordion projections 42, for connecting the smoke exhaust pipe of range hood of different-diameter size.Other structures are identical with embodiment 3.
The using method of the present embodiment is identical with embodiment 1.
Embodiment 8:
See Figure 20 and Figure 21, in the present embodiment, the external frame of base 1 is rounded, and other structures are identical with embodiment 7.
The using method of the present embodiment is identical with embodiment 1.
In the utility model, closure 34 can be one or more, and closure 34 can be the shape such as fold-line-shaped, lineal shape.
In the utility model spool 3 also can adopt latex, rubber or other there is the plastic cement beformable body material of favorable elasticity.
Claims (10)
1. a check valve for flue, comprise base (1), valve body (2) and spool (3), valve body (2) is provided with import and outlet, base (1) is fixed on the outlet port of valve body (2), spool (3) is positioned at valve body (2), it is characterized in that: described spool (3) is by the opening portion (31) of integrative-structure, guide portion (32), transition part (33) and closure (34) composition, wherein opening portion (31) is positioned at the top of guide portion (32), closure (34) is connected to the bottom of guide portion (32) by transition part (33), the close out sheet (35) that closure (34) is fit together by two panels forms.
2. check valve for flue according to claim 1, is characterized in that: be also provided with diameter-varying ring (4), and diameter-varying ring (4) is fixed on the inlet of valve body (2); The external frame of diameter-varying ring (4) is ring, is provided with the annular fastener rings (41) of several different-diameter sizes in it.
3. check valve for flue according to claim 1, is characterized in that: be also provided with diameter-varying ring (4), and diameter-varying ring (4) is fixed on the inlet of valve body (2); Conically, and its outer surface is provided with some circle accordion projections (42) to the external frame of diameter-varying ring (4).
4. check valve for flue according to claim 1, it is characterized in that: the gradual change circular arc tubular that described transition part (33) entirety is little in the large and small end opening of upper end open, and the diameter of its widest position is greater than the diameter of opening portion (31) and guide portion (32).
5. check valve for flue according to claim 1, it is characterized in that: described transition part (33) is made up of the epimere integrally connected (36) and hypomere (37), epimere (36) and hypomere (37) are the gradual change circular arc tubular that upper end open is large, lower ending opening is little, and the diameter of epimere (36) the widest position is greater than the diameter of opening portion (31) and guide portion (32).
6. check valve for flue according to claim 1, is characterized in that: described closure (34) by two panels undulate and the close out sheet fit together (41) form; Closure (34) can be one or more.
7. check valve for flue according to claim 1, is characterized in that: the external frame of described base (1) is square or circular.
8. check valve for flue spool according to claim 1, is characterized in that: described spool (3) is fixed in valve body (2) by locking cap (5).
9. the check valve for flue spool according to claim 1 or 4 or 5 or 6, is characterized in that: the width of described closure (34) is identical with the diameter of transition part (33) the widest position.
10. the check valve for flue spool according to claim 1 or 4 or 5 or 6, is characterized in that: the width of described closure (34) is greater than the diameter of transition part (33) the widest position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520513339.1U CN204805641U (en) | 2015-07-03 | 2015-07-03 | Flue check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520513339.1U CN204805641U (en) | 2015-07-03 | 2015-07-03 | Flue check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204805641U true CN204805641U (en) | 2015-11-25 |
Family
ID=54590469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520513339.1U Expired - Fee Related CN204805641U (en) | 2015-07-03 | 2015-07-03 | Flue check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204805641U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114408405A (en) * | 2021-12-22 | 2022-04-29 | 徐州恒安石油储运技术有限公司 | Wave-proof self-discharging pressure storage tank for petroleum road and railway transportation |
-
2015
- 2015-07-03 CN CN201520513339.1U patent/CN204805641U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114408405A (en) * | 2021-12-22 | 2022-04-29 | 徐州恒安石油储运技术有限公司 | Wave-proof self-discharging pressure storage tank for petroleum road and railway transportation |
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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: 20151125 Termination date: 20180703 |