CN2555444Y - Guide check exhaust valve - Google Patents
Guide check exhaust valve Download PDFInfo
- Publication number
- CN2555444Y CN2555444Y CN 02239672 CN02239672U CN2555444Y CN 2555444 Y CN2555444 Y CN 2555444Y CN 02239672 CN02239672 CN 02239672 CN 02239672 U CN02239672 U CN 02239672U CN 2555444 Y CN2555444 Y CN 2555444Y
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- valve
- valve block
- valve body
- flow
- block
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Abstract
The utility model relates to a guide check exhaust valve for collectively exhausting fume of a building. The check exhaust valve includes a valve body, a valve slice and a resetting device, wherein, the lower end of the valve slice is articulated with an outlet end at the bottom of the valve body. The resetting device is arranged on the valve slice, and both sides of the valve slice are provided with two guide fin sheets. The valve slice is provided with a limiting device for limiting the maximum opening angle of the valve slice. The guide fin sheets are arranged on both profiles of the valve slice, and the guide fin sheets and the valve slice enclose a flow passage, thus the exhaust valve has the functions of a unilateral exhaust and jet tube, and the jet tube originally arranged in the fume exhaust passage is integrated with a check exhaust valve, so as to solve the problem of difficult installation of the jet tube, reduce the cost, effectively prevent the fume from moving up and down and reinforce the sealing effect. The utility model has the advantages of reasonable and simple structure, good sealability and excellent effect in preventing the fume from fleeing.
Description
Technical field
The utility model relates to a kind of unidirectional venting gas appliance, relates in particular to a kind of flow-guiding non-return exhaust valve that flue gas is discharged swimmingly that helps that is used for all kinds of dwelling houses, and prevents the problem that the upper and lower floor of high-rise building is collaborated by shared exhaust duct effectively.
Technical background
Present all kinds of dwelling houses all use shared main exhaust pipeline, and each resident family directly enters indoor flue gas main pipe, concentrates from the outlet port on roof and discharge by the suction port on the main pipe, the outlet pipe of general each resident family and main pipe are and are arranged vertically, be unfavorable for upwards discharge of flue gas, flue gas enters main pipe can form air curtain, to stop the rising and the discharge of lower floor's air-flow simultaneously, especially lower floor's air-flow is in the effect of the resistance that is subjected to main pipe, when its flow velocity has reduced, flue gas is played a reversed role into resident family of lower floor; Therefore, prevent that device, various one-way exhaust valve that the cigarette of upper and lower interlayer is played a reversed role are developed out.
An inventor utility model patent CN2193395Y formerly discloses the anti-device of collaborating of a kind of high-rise building common exhaust duct, referring to Fig. 6, this device is made up of main pipe wall jet pipe and the unidirectional check valve of heavy hammer type, the jet pipe opening upwards is installed on the main pipe wall, the unidirectional check valve of heavy hammer type is positioned at jet pipe, is installed in the suction port of main pipe wall.The effect of jet pipe is to make the upwards discharge of flue gas of discharging from resident family, and the suction function that jet pipe produces makes flue gas not seal in the room of lower floor downwards effectively, prevent also that flue gas from entering directly that main pipe forms air curtain and the discharge that stops lower floor's flue gas, yet, after the flue gas of discharging from relief opening is pushed the unidirectional check valve of heavy hammer type open, be subjected to stopping of valve block, the effect of jet pipe is descended accordingly to some extent, especially the jet pipe bottom is streamline shape part, the effect that stops its streamline shape that helps arranging on the gas of back that is subjected to valve block is significantly reduced, and jet pipe is very inconvenient when mounted, especially the jet pipe of eversion type flange arrangement more is not easy to install, and therefore this device needs further improvement.
Summary of the invention
The purpose of this utility model is to overcome the deficiency in the above-mentioned technology, solve better that the smokejack suction port is poorly sealed, the problem of smoke blowing gas, provide a kind of simple and reasonable, have the jet effect, help flue gas novel flow-guiding non-return exhaust valve that discharge and that make the smooth and easy return of valve block.
To achieve these goals, the technological scheme that the utility model adopted is: a kind of flow-guiding non-return exhaust valve, it comprises: valve body, valve block and returning device, the position of the lower end of described valve block or close lower end is articulated in the outlet end of the bottom surface of valve body, is characterized in: the limit stoper that is provided with restriction valve block opening angle on this outlet valve; Be provided with the water conservancy diversion fin of its lateral opening when being used to seal valve block and opening in the both sides of valve block correspondence.
The outlet end of the bottom surface of best described valve body extends obliquely upward and is arc surfaced or inclined plane shape; Together extend with the outlet end of bottom surface the bottom of the bi-side of described valve body, thereby form skewed valve outlet end face.Can form the runner of a bending like this, help flue gas and discharge swimmingly.
Described water conservancy diversion fin has three kinds of structures: a kind of for being fixed in the mobile wing of valve block towards the place, two edges of valve body one side; Another kind of is to be located at the bi-side of valve body and the fixed tab that extends to the valve block opening direction; The third is individually fixed on valve block and the side of valve body for both sides and flexible flap that can inflection; The shape of described mobile wing, fixed tab or the above-mentioned flexible flap that the is deployed condition opening of its side for can cover that valve block is maximum to be opened the time.Be described mobile wing, fixed tab or flexible flap shape, size for and the end of the valve block that is in maximum opening state and side of valve body between opening suitable, the opening of side is as the criterion when can seal the valve block unlatching.Described flexible flap is located at the both sides of valve block and valve body with can opening up folding, and when valve block was closed, flexible flap was in folded and state, and when valve block was opened, flexible flap launched.
Described mobile wing can be positioned at the outside or the inboard of two sides of valve body.
Described limit stoper can adopt a kind of in the following structure: it is inboard and extend to the limiting board at the valve block back side to be located at the outward edge of fixed tab; Be located at the limiting board and the fixed dam that supplies limiting board to hook together that is located on the valve body in the outside, mobile wing edge; Be located at the limiting stopper that is used to limit the valve block unlatching of valve body bottom surface outlet end; Be located at the spacing pole that is resisted against the valve block back side that is kink shape of lower end, valve body bottom; Be located at lower end, valve body bottom surface and be the limited ring that is bent upwards ring-type; The end that one end is fixed on valve outlet end top, the other end is the positive stop hook that hook-shaped hook is held in the top of valve block; Be located at the spacing backguy between valve block inboard and the valve body.
A kind of in the following array structure of described returning device: the weight that is located at the valve block inboard; One end is fixed in the valve block inboard, the other end is fixed in return spring or elastic strip on the valve body; Be located at the pressure spring in the valve block outside.Described weight, the center of gravity that is in the center of gravity of valve block within the maximum open position and weight at valve block is in the both sides of valve block rotating shaft articulating point all the time, and the gravitational moment of weight countershaft articulating point is greater than the gravitational moment of valve block to articulating point.
The angle α of the exit end face of described valve body and horizontal plane is the 30-90 degree.
The position of described limit stoper makes the maximum opening angle β of valve block for spending less than 105 greater than 30 degree, and the maximum opening angle β of described valve block is that valve block is in the angle between maximum open position and the closed position.
The runner section of described valve body is uniform section or the big shape of flaring from inlet to outlet.The cross section of its runner is uniform section or enlarges shape, the smooth and easy eliminating of favourable and flue gas, thereby avoided the cross section to be reducing shape to smoke exhaust fan increase additional resistance cause can not smooth and easy smoke evacuation problem.
Owing to take said structure, the bottom of valve block is hubbed at the outlet end of the bottom surface of valve body, be provided with two water conservancy diversion fins in the both sides of valve block, valve block and water conservancy diversion fin form a guide channel, make this exhaust check valve have the effect that has increased jet pipe on the effect of unidirectional exhaust, on valve block, be provided with the limit stoper of restriction valve block opening angle.Further, the outlet end of the bottom surface of described valve body upwards is the extension of arcuation, and the bottom of bi-side together extends with the bottom surface, thus form one upwards bending be the fairshaped runner of arcuation, it helps flue gas and discharges swimmingly.The exit end face of this flow-guiding non-return exhaust valve is inclined plane shape upwards, increased the outlet of outlet valve, help the discharge of flue gas, from as can be seen above-mentioned, the setting of the jet pipe of the utility model in can a write off inventor utility model patent CN2193395Y formerly, reduce by parts, correspondingly reduce the cost of product, and no longer include the problem of the difficulty of jet pipe installation; Structure of the present utility model is more reasonable, simple, has good sealing, anti-smoke blowing gas effect.
Description of drawings
Fig. 1 is the embodiment's 1 of the utility model flow-guiding non-return exhaust valve a structural representation;
Figure 1A is the longitudinal section schematic representation of Fig. 1;
Figure 1B is the B-B sectional drawing of Figure 1A;
Fig. 2 is the embodiment's 2 of the utility model flow-guiding non-return exhaust valve a structural representation;
Fig. 2 A is vertical partial sectional view of Fig. 2;
Fig. 2 B is the plan view of Fig. 2 A;
Fig. 3 is the embodiment's 3 of the utility model flow-guiding non-return exhaust valve a structural representation;
Fig. 4 is embodiment's 4 perspective view of the utility model flow-guiding non-return exhaust valve;
Fig. 4 A is the vertical section structure schematic representation of Fig. 4;
Fig. 5 A-5E is the structural representation of the limit stoper of the utility model flow-guiding non-return exhaust valve;
Fig. 6 is the anti-apparatus structure schematic representation of collaborating of the high-rise building common exhaust duct of utility model patent ZL94200748.4.
Wherein: valve body 1 valve block 2 bottom surfaces 13
Mobile wing 5 ' fixed tab 5 " side 14
Exit end face 11 limiting boards, 31 limiting boards (piece) 32
Fixed dam 15 limiting stoppers 33 spacing poles 34
The 36 spacing backguys 37 of limited ring 35 positive stop hooks
Weight 41 return springs 42
Embodiment
Describe the concrete structure of flow-guiding non-return exhaust valve of the present utility model in detail below in conjunction with drawings and the specific embodiments:
Embodiment 3, referring to Fig. 3, showed a kind of preferable flow-guiding non-return exhaust valve among Fig. 3, and it comprises: the cross section is foursquare valve body 1, valve block 2 and returning device; The outlet end of the bottom surface 13 of described valve body 1 extends obliquely upward and is arc surfaced, and the lower end of described valve block 2 is articulated in the outlet end of the bottom surface 13 of valve body 1 by valve block rotating shaft 21, and above-mentioned returning device is the return spring 42 that is connected between valve block 2 and the valve body 1.Both sides at valve block 2 are provided with two water conservancy diversion fins near edge, this water conservancy diversion fin is for perpendicular to valve block 2 and be fixed in the mobile wing 5 ' at the both sides of the edge place of valve block 2, the shape of mobile wing 5 ' is roughly fan-shaped, being shaped as when valve block 2 is in maximum opening state, can sealing or cover the shape of opening between valve block 2 and valve body 1 side of mobile wing 5 '.In the present embodiment, mobile wing 5 ' is positioned at the outside of valve body 1 bi-side 14, is provided with the limiting board (piece) 38 that bends inwards in the following end of this mobile wing 5 ', also can be provided with positive stop (not shown) with matching at the corresponding position of valve body 1.When the maximum angle of valve block 2 unlatchings, limiting board 38 just is hooked on the bottom surface or positive stop of valve body 1, further open with restriction valve block 2, in the present embodiment, the angle α that valve block 2 is between closed condition and the horizontal plane is 45 degree, valve block 2 maximum opening angle β: the angle that valve block 2 is between maximum opening state and the closed condition is 60 degree.When valve block 2 is in closed condition, mobile wing 5 ' places the outside of two sides 14 of valve body 1, when valve block 2 was in maximum opening state, the guide channel of sealing was beneficial to the discharge of flue gas around valve block 2, two mobile wings 5 ' and valve body 1 surrounded one jointly.
Embodiment 4, referring to Fig. 4,4A, showed a kind of flow-guiding non-return exhaust valve among Fig. 4, the 4A, it comprises: the cross section is foursquare valve body 1, valve block 2 and returning device, the outlet end of the bottom surface 13 of described valve body 1 extends obliquely upward and is arc surfaced, together extend with the outlet end of bottom surface 13 bottom of the bi-side 14 of described valve body 1, thereby form skewed valve outlet end face 11, and exit end face 11 is 60 degree with the angle α of horizontal plane; The lower end of described valve block 2 is articulated in the outlet end of the bottom surface 13 of valve body 1 by valve block rotating shaft 21, and returning device is the return spring 42 that is connected between valve block 2 and the valve body 1.Both sides at valve block 2 are provided with two water conservancy diversion fins near edge, this water conservancy diversion fin is for perpendicular to valve block 2 and be fixed in the mobile wing 5 ' at the both sides of the edge place of valve block 2, the shape of mobile wing 5 ' is roughly fan-shaped, and the shape of mobile wing 5 ' is with sealing or cover the opening that valve block 2 is in its side of maximum opening state and get final product.In the present embodiment, be provided with the limiting stopper 33 that extends to valve block 2 back sides in valve body 1 arc surfaced bottom surface 13, the angle that present embodiment middle valve plate 2 is between maximum opening state and the closed condition is that valve block 2 maximum opening angle β are 60 degree.When valve block 2 is in closed condition, mobile wing 5 ' is hidden in the cavity of valve body 1 fully, when valve block 2 was in maximum opening state, the guide channel of sealing was beneficial to the discharge of flue gas around valve block 2, two mobile wings 5 ' and valve body 1 surrounded one jointly.
Referring to Fig. 5 A-5E, provided the structure of other several limit stoper among the figure: the limiting stopper 33 that extends laterally that is located at valve body 1 bottom surface; Be located at the spacing pole 34 that is resisted against valve block 2 back sides that is kink shape of lower end, valve body 1 bottom; Be located at 13 lower ends, valve body 1 bottom surface and be the limited ring 35 that is bent upwards ring-type; Be the positive stop hook 36 that hook-shaped hook is held in the top of valve block 2; Be located at the spacing backguy 37 between valve block 2 inboards and the valve body 1.These limit stoper can substitute the limit stoper in the various embodiments described above.
What should give explanation is, concrete structure that above-mentioned mode of execution is cited and non-limiting protection domain of the present utility model, and the structure of various limit stoper, returning device, various water conservancy diversion fins can be interlocked and is used in combination, and forms more mode of execution.Described water conservancy diversion fin can also adopt above-mentioned can with valve block 2 open launch, the flexible flap of the inflection with valve block 2 return closures (folded also), no longer provide diagram herein.
Claims (9)
1. flow-guiding non-return exhaust valve, it comprises: valve body (1), valve block (2) and returning device, the position of the lower end of described valve block (2) or close lower end is articulated in the outlet end of the bottom surface (13) of valve body (1), it is characterized in that: the limit stoper that is provided with restriction valve block (2) opening angle on this outlet valve; Be provided with the water conservancy diversion fin of its lateral opening when being used to seal valve block (2) and opening in the both sides correspondence of valve block (2).
2. a kind of flow-guiding non-return exhaust valve according to claim 1 is characterized in that: the outlet end of the bottom surface (13) of described valve body (1) extends obliquely upward and is arc surfaced or inclined plane shape; Together extend with the outlet end of bottom surface (13) bottom of the bi-side (14) of described valve body (1), thereby form skewed valve outlet end face (11).
3. root claim 1 or 2 described a kind of flow-guiding non-return exhaust valves is characterized in that: described water conservancy diversion fin is for being fixed in the mobile wing (5 ') of valve block (2) towards the place, two edges of valve body (1) one side; Perhaps be the bi-side of being located at valve body (1) and the fixed tab that extends to valve block (2) opening direction (5 "); Perhaps go up and flexible flap that can inflection the side (14) that is individually fixed in valve block (2) and valve body (1) for both sides; The shape of described mobile wing (5 '), fixed tab (5 ") or the above-mentioned flexible flap that the is deployed condition opening of its side for can cover that valve block (2) is maximum to be opened the time.
4. a kind of flow-guiding non-return exhaust valve according to claim 3 is characterized in that: described mobile wing (5 ') can be positioned at the outside or the inboard of two sides (14) of valve body (1).
5. a kind of flow-guiding non-return exhaust valve according to claim 1 and 2 is characterized in that: described limit stoper is a kind of in the following structure: it is inboard and extend to the limiting board (31) at valve block (2) back side to be located at the outward edge of fixed tab (5 "); Be located at the limiting board (32) in the outside, mobile wing (5 ') edge and be located at the fixed dam (15) that the confession limiting board (32) on the valve body (1) hooks together; Be located at the limiting stopper (33) that is used to limit valve block (2) unlatching of valve body (1) bottom surface (13) outlet end; Be located at the spacing pole (34) that is resisted against valve block (2) back side that is kink shape of lower end, valve body (1) bottom; Be located at lower end, valve body (1) bottom surface (13) and be the limited ring (35) that is bent upwards ring-type; The end that one end is fixed on valve body (1) outlet end top, the other end is the positive stop hook (36) that hook-shaped hook is held in the top of valve block (2); Be located at the spacing backguy (37) between valve block (2) inboard and the valve body (10).
6. flow-guiding non-return exhaust valve according to claim 1 and 2 is characterized in that: a kind of in the following array structure of described returning device: be located at the inboard weight (41) of valve block (2); One end is fixed in valve block (2) inboard, the other end is fixed in return spring or elastic strip (42) on the valve body (1); Be located at the pressure spring in valve block (2) outside.
7. flow-guiding non-return exhaust valve according to claim 1 and 2 is characterized in that: the exit end face (11) of described valve body (1) is the 30-90 degree with the angle α of horizontal plane.
8. flow-guiding non-return exhaust valve according to claim 1 and 2 is characterized in that: the position of described limit stoper makes the maximum opening angle β of valve block (2) for spending less than 105 greater than 30 degree.
9. flow-guiding non-return exhaust valve according to claim 1 and 2 is characterized in that: the runner section of described valve body (1) is uniform section or the big shape of flaring from inlet to outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02239672 CN2555444Y (en) | 2002-07-08 | 2002-07-08 | Guide check exhaust valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02239672 CN2555444Y (en) | 2002-07-08 | 2002-07-08 | Guide check exhaust valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2555444Y true CN2555444Y (en) | 2003-06-11 |
Family
ID=33712991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02239672 Expired - Lifetime CN2555444Y (en) | 2002-07-08 | 2002-07-08 | Guide check exhaust valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2555444Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107664302A (en) * | 2017-11-03 | 2018-02-06 | 贵州大学 | A kind of after-burning stove based on biomass combustion |
-
2002
- 2002-07-08 CN CN 02239672 patent/CN2555444Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107664302A (en) * | 2017-11-03 | 2018-02-06 | 贵州大学 | A kind of after-burning stove based on biomass combustion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20050928 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |