CN207554809U - Volume damper and central cooking fume control equipment - Google Patents
Volume damper and central cooking fume control equipment Download PDFInfo
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- CN207554809U CN207554809U CN201721679016.5U CN201721679016U CN207554809U CN 207554809 U CN207554809 U CN 207554809U CN 201721679016 U CN201721679016 U CN 201721679016U CN 207554809 U CN207554809 U CN 207554809U
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Abstract
The utility model provides a kind of volume damper and central cooking fume control equipment, is related to purification technology field.The volume damper includes valve body, first rotating shaft, sealing strip and the second shaft being mutually parallel are equipped in valve body, sealing strip is set on the valve inner along the radial direction of the valve body, first rotating shaft and the second shaft are articulated in valve inner, the first valve block is installed in first rotating shaft, the second valve block is installed in the second shaft, valve body is equipped with the driving device for first rotating shaft and the second shaft to be driven to rotate, during sealed condition, the first valve block, sealing strip and the second valve block are tightly connected to form closeouts；The center cooking fume control equipment includes kitchen ventilator and above-mentioned volume damper, and volume damper is communicated between the exhaust outlet of kitchen ventilator and the gas outlet of common flue.During sealed condition, sealing strip can be by the gap plugging between the first valve block and the second valve block, so as to improve the connection sealing between the first valve block and the second valve block.
Description
Technical field
The utility model is related to purification technology field more particularly to a kind of volume dampers and central fume purifying to set
It is standby.
Background technology
The manufacturing process of Chinese tradition cooking culture includes pan-fried, stir-fry, fried, roasting etc., is produced during making food greatly
The oil smoke of amount, and oil smoke is not only more serious to the environmental pollution in kitchen, but also kitchen operation personnel stay in oil smoke surroundings for a long time
Larger to body harm, serious or even can suffer from cancer, therefore, people devise to reduce harm of the oil smoke to human body
Oil smoke in kitchen can be transported to external kitchen ventilator, kitchen ventilator is widely used among kitchen therewith.
Existing center lampblack purifying system generally generates negative pressure, the row of kitchen ventilator by blower fan system in common flue
Gas port is connected with common flue, and the volume damper for adjusting air quantity is equipped between common flue and kitchen ventilator exhaust outlet,
The smoke-absorbing, purifying ability of kitchen ventilator is controlled by controlling the ventilation quantity of volume damper.Existing airflow regulating switch generally wraps
It includes valve body and in valve body for blocking the single valve block of valve body, the shaft that can be rotated with moving valve plate is equipped in the middle part of valve block；
For the ease of the adjusting to valve block rotational angle, people set two shafts and two valve blocks, two shaft difference in valve body
The rotation of two valve blocks is driven, completes the control of valve body ventilation quantity, and when two valve blocks independently work, between two valve blocks
Connection sealing is poor, and when kitchen ventilator does not work, valve block both sides easily generate phenomenon of uttering long and high-pitched sounds under differential pressure action.
That is, the connection sealing in existing volume damper between two valve blocks is poor.
Utility model content
The purpose of this utility model is to provide a kind of volume damper and central cooking fume control equipment, to solve existing skill
The technical issues of connection sealing present in art in volume damper between two valve blocks is poor.
Volume damper provided by the utility model, be equipped with including valve body, in the valve body first rotating shaft being mutually parallel,
Sealing strip and the second shaft, the sealing strip are set on the valve inner, the first rotating shaft and institute along the radial direction of the valve body
It states the second shaft and is articulated in the valve inner, the first valve block is installed in the first rotating shaft, is consolidated in second shaft
Equipped with the second valve block；The valve body is equipped with the driving device for the first rotating shaft and second shaft to be driven to rotate,
During sealed condition, first valve block, the sealing strip and second valve block are tightly connected to form closeouts, the closeouts
For being blocked to the valve body.
Further, the first rotating shaft, the sealing strip and second shaft are divided successively along the axial direction of the valve body
Cloth, during sealed condition, first valve block and the upper surface of the sealing strip seal against, second valve block and the closure
The lower surface of item seals against.
Further, the first boss and second boss of semicircular are equipped in the valve body, the first boss and described
Second boss is located at the both sides of the sealing strip respectively, the lower part in section where the first boss is located at the sealing strip, and
The upper surface of the first boss and the upper surface of the sealing strip are coplanar；The second boss, which is located at described in the sealing strip, cuts
The top in face, and the lower surface of the second boss and the lower surface of the sealing strip are coplanar.
Further, the first rotating shaft is equipped with the first connector, and first valve block is fixed in first connection
The free end end of part, and junction different from the abutting of first valve block and the sealing strip at；It is set in second shaft
There is the second connector, second valve block is fixed in the free end end of second connector, and junction is different from described
At two valve blocks and the abutting of the sealing strip.
Further, it is arranged with sealing ring on first valve block and second valve block.
Further, its axial direction of the sealing ring upper edge is set side by side there are two card slot, wherein the institute far from the sealing strip
Card slot is stated for being caught in the edge of first valve block or second valve block.
Further, the driving device include first gear, second gear, third gear and actuator, described first
Geared sleeve is set in the first rotating shaft, and the second gear is sheathed in second shaft, and the third gear is articulated in
On the valve body, and it is meshed simultaneously with the first gear, the second gear, the actuator is set on the valve body,
And for the third gear to be driven to rotate.
Further, the end of the first rotating shaft is stretched out outside the valve body, and the first gear is sheathed on described the
The end of one shaft；The outside of the valve body is stretched out in the end of second shaft, and the second gear is sheathed on described second
The end of shaft, the third gear are articulated on the outer wall of the valve body, and the actuator is set on the outer wall of the valve body；
The first gear is identical with the second gear reference diameter.
Further, the sealing strip upper and lower part is equipped with ribs.
Another of the utility model is designed to provide a kind of central cooking fume control equipment, including kitchen ventilator and above-mentioned wind
Adjustable valve, the volume damper are communicated between the exhaust outlet of the kitchen ventilator and the gas outlet of common flue, the center
Cooking fume control equipment has all technique effects of above-mentioned volume damper.
The utility model volume damper and central cooking fume control equipment have the beneficial effect that：
Volume damper provided by the utility model and central cooking fume control equipment, wherein, volume damper includes being used for
Connect the valve body of kitchen ventilator and common flue, the first valve block for valve body ventilation quantity to be adjusted, the second valve block, for the
The first rotating shaft and the second shaft of one valve block and the rotation of the second valve block, the driving for first rotating shaft and the second shaft to be driven to rotate
Device and the sealing strip for being sealed against during sealed condition with the first valve block and the second valve block；Wherein, central fume purifying
Equipment include playing for absorbing kitchen fume the kitchen ventilator of catharsis, for convey the common flue of oil smoke with for connecting
The check-valves of kitchen ventilator and common flue.Common flue gas in negative pressure state, kitchen under the swabbing action of blower fan system
Body is approximately an atmospheric pressure, and when initial, the first valve block and the second valve block are in sealed condition to valve body, oily when being generated in kitchen
During cigarette, operator opens driving device and drives the first valve block and the rotation of the second valve block, the first valve block, the second valve block and valve interior wall
Between and the first valve block and the second valve block between generate gap, kitchen and the common flue of oil smoke pusher side are in connected state,
Under differential pressure action, the oil smoke in kitchen enters kitchen ventilator, and successively by exhaust outlet, valve body and the first valve block of kitchen ventilator,
Gap and exhaust pipe between second valve block enter in common flue, and being transported to designated position by common flue therewith is discharged
Processing.
When no longer needing to aspirate oil smoke in kitchen, first rotating shaft and the second shaft are returned to initial position, the first valve block
It is sealed against in sealing strip with the second valve block, leakproofness is good between the first valve block and the second valve block and sealing strip, that is, envelope
During stifled state, three is collectively formed the closeouts to match with valve body section and valve body is blocked, the setting of sealing strip
It can be by the gap plugging between the first valve block and the second valve block, so as to improve the connection between the first valve block and the second valve block
Leakproofness, therefore during sealed condition, the air-flow between the first valve block and the second valve block can not circulate, so reduce the first valve block and
Second valve block is uttered long and high-pitched sounds the generation of phenomenon.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution of the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness
Under the premise of labour, other attached drawings are can also be obtained according to these attached drawings.
Fig. 1 is the first valve block and during the second valve block sealed condition in the volume damper that provides of the utility model embodiment
Three dimensional structure diagram；
Fig. 2 is the first visual angle schematic cross-sectional view in A-A directions in Fig. 1；
Fig. 3 is the close-up schematic view of B in Fig. 2；
Fig. 4 is the second visual angle schematic cross-sectional view in A-A directions in Fig. 1；
Fig. 5 is that the first valve block and the second valve block are in open shape in the volume damper that the utility model embodiment provides
State, and the three dimensional structure diagram that actuator disassembles in driving device；
Fig. 6 is the three dimensional structure diagram of valve body in the volume damper that the utility model embodiment provides.
Icon：1- valve bodies；2- first rotating shafts；3- sealing strips；The second shafts of 4-；The first valve blocks of 5-；The second valves of 6-
Piece；7- driving devices；8- sealing rings；11- first boss；12- second boss；The first connectors of 21-；31- ribs；
The second connectors of 41-；71- first gears；72- second gears；73- third gears；74- actuators.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet
Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality
Novel protected range.
In the description of the present invention, it should be noted that term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instructions such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
The utility model must have specific with the device or element for simplifying description rather than instruction or hint meaning for ease of description
Orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.In addition, term " the
One ", " second ", " third " are only used for description purpose, and it is not intended that instruction or hint relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, can above-mentioned art be understood with concrete condition
Concrete meaning of the language in the utility model.
The present embodiment provides a kind of volume damper, be equipped with including valve body 1, in valve body 1 first rotating shaft 2 being mutually parallel,
3 and second shaft 4 of sealing strip, sealing strip 3 are set on along the radial direction of valve body 1 inside valve body 1,2 and second shaft of first rotating shaft, 4 equal pivot
It is connected to inside valve body 1, the first valve block 5 is installed in first rotating shaft 2, the second valve block 6 is installed in the second shaft 4；It is set on valve body 1
It is useful for the driving device 7 of driving first rotating shaft 2 and second shaft 4 rotation, during sealed condition, the first valve block 5,3 and of sealing strip
The sealed connection of second valve block 6 forms closeouts, and closeouts are used to block valve body 1.
The present embodiment also provides a kind of central cooking fume control equipment, including kitchen ventilator and above-mentioned volume damper, air quantity tune
Section valve is communicated between the exhaust outlet of kitchen ventilator and the gas outlet of common flue.
Volume damper provided in this embodiment and central cooking fume control equipment, as shown in Figure 1, Figure 2 with shown in Fig. 4-Fig. 6,
Wherein, volume damper is included for connecting the valve body 1 of kitchen ventilator and common flue, for 1 ventilation quantity of valve body to be adjusted
The first valve block 5, the second valve block 6,2 and second shaft 4 of first rotating shaft rotated for the first valve block 5 and the second valve block 6, be used for
Drive the rotation of first rotating shaft 2 and second shaft 4 driving device 7 and for during sealed condition with the first valve block 5 and the second valve
The sealing strip 3 that piece 6 seals against；Wherein, central cooking fume control equipment includes playing catharsis for absorbing kitchen fume
Kitchen ventilator, for convey the common flue of oil smoke with for connecting the check-valves of kitchen ventilator and common flue.Common flue is in wind
Gas is approximately an atmospheric pressure in negative pressure state, kitchen under the swabbing action of machine system, when initial, 5 He of the first valve block
Second valve block 6 is in sealed condition to valve body 1, and when generating oil smoke in kitchen, operator opens driving device 7 and drives the first valve
5 and second valve block 6 of piece rotates, between 1 inner wall of the first valve block 5, the second valve block 6 and valve body and the first valve block 5 and the second valve block
Gap is generated between 6, kitchen and the common flue of oil smoke pusher side are in connected state, under differential pressure action, the oil smoke in kitchen
Into kitchen ventilator, and successively by the gap between the exhaust outlet of kitchen ventilator, 1 and first valve block 5 of valve body, the second valve block 6 and row
Tracheae enters in common flue, and being transported to designated position by common flue therewith carries out emission treatment.
When no longer needing to aspirate oil smoke in kitchen, 2 and second shaft 4 of first rotating shaft is returned to initial position, the first valve
5 and second valve block 6 of piece is sealed against in sealing strip 3, and leakproofness is good between the first valve block 5 and the second valve block 6 and sealing strip 3
It is good, that is, during sealed condition, three is collectively formed one and valve body 1 is blocked with the closeouts that 1 section of valve body matches, envelope
The setting of stifled item 3 can be by the gap plugging between the first valve block 5 and the second valve block 6, so as to improve the first valve block 5 and second
Connection sealing between valve block 6, therefore during sealed condition, the air-flow between the first valve block 5 and the second valve block 6 can not circulate,
And then it reduces the first valve block 5 and the second valve block 6 and utters long and high-pitched sounds the generation of phenomenon.
Specifically, in the present embodiment, as shown in Figure 2 and Figure 4, first rotating shaft 2,3 and second shaft 4 of sealing strip are along valve body 1
Axial direction be sequentially distributed, during sealed condition, the first valve block 5 and the upper surface of sealing strip 3 seal against, and the second valve block 6 is with blocking
The lower surface of item 3 seals against.Here be 2 and second shaft 4 of first rotating shaft setting a kind of specific location, first rotating shaft 2
In the surface of sealing strip 3, spatial rotational of first valve block 5 above sealing strip 3 is driven under the driving of driving device 7, and
During sealed condition, the first valve block 5 and the upper surface of sealing strip 3 seal against；Similar, the second shaft 4 is being located at sealing strip 3 just
Lower section drives spatial rotational of second valve block 6 below sealing strip 3, and during sealed condition under the driving of driving device 7, the
Two valve blocks 6 and the lower surface of sealing strip 3 seal against, on the basis of the first valve block 5 and the adjusting of 6 air quantity of the second valve block is realized,
During sealed condition, sealing strip 3 completes the sealed connection between the first valve block 5 and the second valve block 6, so as to improve the first valve block 5 with
Connection sealing during the second 6 sealed condition of valve block.
2 and second shaft 4 of first rotating shaft can also be arranged on other position, e.g., be set up in parallel in addition to above-mentioned installation position
In the left and right sides of sealing strip 3.In addition, what needs to be explained here is that, " on ", " under " "left", "right" orientation referred herein is
Upper-lower position at visual angle as shown in Figure 4.
In the present embodiment, as shown in Fig. 2, Fig. 4 and Fig. 6, first boss 11 that can be in the valve body 1 equipped with semicircular and the
Two boss 12, first boss 11 and second boss 12 are located at the both sides of sealing strip 3 respectively, and first boss 11 is located at 3 institute of sealing strip
In the lower part in section, and the upper surface of first boss 11 and the upper surface of sealing strip 3 are coplanar；Second boss 12 is located at sealing strip 3
The top in the section, and the lower surface of second boss 12 and the lower surface of sealing strip 3 are coplanar.During sealed condition, filled in driving
It puts under 7 driving, first rotating shaft 2 drives the first valve block 5 to rotate, until edge and the sealing strip 3 of valve block and first boss 11
Upper surface closely abuts, and first boss 11 is abutted with the neighboring of the first valve block 5, and contact area is straight much larger than the first valve block 5
The area contacted with 1 inner wall of valve body is connect, so as to greatly improve the leakproofness between the first valve block 5 and valve body 1, improves the first valve block
The closure tightness of 5 pairs of valve bodies 1 is further reduced since 5 both sides of the first valve block influence there are pressure difference to utter long and high-pitched sounds the generation of phenomenon.
The operation principle that second boss 12 improves leakproofness between the second valve block 6 and valve body 1 is similar with first boss 11, no longer superfluous here
It states.
In the present embodiment, as shown in figure 4, first rotating shaft 2 is equipped with the first connector 21, the first valve block 5 is fixed in first
The free end end of connector 21, and junction different from the first valve block 5 at the abutting of sealing strip 3；Second shaft 4 is equipped with the
Two connectors 41, the second valve block 6 is fixed in the free end end of the second connector 41, and junction is different from the second valve block 6 and envelope
At the abutting of stifled item 3.The junction of first connector 21 and the first valve block 5 different from the first valve block 5 at the abutting of sealing strip 3,
Then as shown in figure 4, junction is located at the right side at abutting, the edge that first rotating shaft 2 directly acts on the first valve block 5 is compared, this
The setting of sample reduces the torque being under pressure under 5 both sides differential pressure action of the first valve block, thus in valve block by identical pressure
Under effect, the first valve block 5 of such setting rotates difficulty bigger, correspondingly, during sealed condition, effectively reduces the first valve block
5 probabilities to rotate, it is ensured that closure of first valve block 5 to valve body 1；The setting of second connector 41 reduces the second valve block 6 and sends out
The probability of raw rotation, the second valve block 6 of raising is identical with the first valve block 5 to the operation principle of the closure of valve body 1, no longer superfluous here
It states.
In the present embodiment, as Figure 1-Figure 5, block to improve the first valve block 5 and the second valve block 6 to valve body 1 close
Feng Xing can be arranged with sealing ring 8 on the first valve block 5 and the second valve block 6；Specifically, as shown in figure 3,8 upper edge of sealing ring
It is axially set side by side there are two card slot, wherein the card slot far from sealing strip 3 is used to be caught in the first valve block 5 or the second valve block 6
Edge.Sealing ring 8 can effectively improve the first valve block 5 and the second valve block 6 and sealing strip 3, first boss 11, second boss 12
Fitted seal between valve body 1 improves the closure leakproofness of the first valve block 5 and the second valve block 6 to valve body 1, reduces and blocks
The generation for phenomenon of uttering long and high-pitched sounds during state.Specifically, its axial direction is set up in parallel there are two card slot in 8 upper edge of sealing ring, wherein, far from envelope
One card slot of stifled item 3 is caught in the border of the first valve block 5 or the second valve block 6, and by taking the first valve block 5 as an example, the first valve block 5 turns to
When being abutted with sealing strip 3, first boss 11, the card slot of close sealing strip 3 is hollow structure in sealing ring 8, and outer wall is with blocking
Item 3, first boss 11 are abutted, and are deformed upon under pressure, so that sealing ring 8 and sealing strip 3, first boss 11
Between reach interference fit, further improve the leakproofness between the first valve body 1 and sealing strip 3, first boss 11.Specifically,
Sealing ring 8 can select flexible material, such as rubber, silica gel or sponge to be made.
Specifically, in the present embodiment, as shown in figure 5, driving device 7 can include first gear 71, second gear 72, the
Three gears 73 and actuator 74, first gear 71 are sheathed in first rotating shaft 2, and second gear 72 is sheathed in the second shaft 4, the
Three gears 73 are articulated on valve body 1, and are meshed simultaneously with first gear 71, second gear 72, and actuator 74 is set on valve body 1
On, and for third gear 73 to be driven to rotate.Here it is a kind of concrete mode of driving device 7,71 and second tooth of first gear
Wheel 72 is meshed simultaneously with third gear 73, and actuator 74 drives third gear 73 to rotate, and third gear 73 drives first simultaneously
Gear 71 and second gear 72 rotate, and first gear 71 drives first rotating shaft 2, the first valve block 5 to rotate, and second gear 72 drives the
The hair piece rotation of two shafts 4, second, the angle and direction for controlling 73 rotation of third gear by actuator 74 can control the first valve
The rotational angle of 5 and second valve block 6 of piece so as to the circulation area of gas in application valve body 1, realizes the Boiler pressure control of kitchen ventilator.
In addition, third gear 73 drives first gear 71 and second gear 72 to rotate simultaneously, first gear 71 and second gear 72 rotate
Direction is identical, that is, the first valve block 5 is identical with the rotation direction of the second valve block 6, synchronous to realize that the first valve block 5 and the second valve block 6 are right
The closure of valve body 1 and flow quantity control.
Specifically, actuator 74 can include the motor with change gear box, drive shaft and the third gear 73 of motor
It is connected, for third gear 73 to be driven to rotate.
In order to reduce interference of the driving device 7 to the first valve block 5, the movement of the second valve block 6, in the present embodiment, such as Fig. 5 institutes
Show, the end of first rotating shaft 2 can be stretched out outside valve body 1, and first gear 71 is sheathed on the end of first rotating shaft 2；Second shaft 4
End stretch out the outside of valve body 1, second gear 72 is sheathed on the end of the second shaft 4, and third gear 73 is articulated in valve body 1
On outer wall, actuator 74 is set on the outer wall of valve body 1；First gear 71 is identical with 72 reference diameter of second gear.Driving dress
Displacement can be generated by putting 7 driving processes, meanwhile, the first valve block 5 and the second valve block 6 can also rotate therewith, and driving device 7 is set
Outside valve body 1, plugging part the first valve block 5 and the second valve block 6 are arranged on inside valve body 1, can effectively reduce driving device 7
To the interference of the first valve block 5, the rotation of the second valve block 6 during driving, it is ensured that the normal work of the first valve block 5 and the second valve block 6；
In addition, first gear 71 and second gear 72 match with third gear 73, and point of first gear 71 and second gear 72
Degree circular diameter is identical, then, under the driving of third gear 73, first gear 71 is identical with 72 rotational angle of second gear, accordingly
, first rotating shaft 2 is identical with 4 rotational angle of the second shaft, when the first connector 21 and the second connector 41 and the first valve block 5 and
When second valve block, 6 junction is symmetrical, the angle of the first valve block 5 and the rotation of the second valve block 6 is also identical, that is, in third gear 73
Under driving, the first valve block 5 and 6 rotation direction of the second valve block and rotational angle all same, so as to fulfill to the first valve block 5 and second
The synchronous driving of valve block 6.
In order to improve the intensity of sealing strip 3, in the present embodiment, as shown in figure 4, can be equal in 3 upper and lower part of sealing strip
Equipped with ribs 31.For the specific sealing strip 3 equipped with ribs 31 in " ∞ " shape, ribs 31 can effectively strengthen sealing strip 3
Volume intensity influences sealing strip 3 and first to be deformed upon when reducing sealing strip 3 by the first valve block 5 and the second 6 pressure of valve block
Between valve block 5, the second valve block 6 the occurrence of leakproofness, the connection between the first valve block 5 and the second valve block 6 is further ensured that
Leakproofness.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：
It can still modify to the technical solution recorded in previous embodiment either to which part or all technical features
Carry out equivalent replacement；And these modifications or replacement, it does not separate the essence of the corresponding technical solution, and the utility model is respectively implemented
The range of example technical solution.
Claims (10)
1. a kind of volume damper, which is characterized in that first turn to be mutually parallel is equipped with including valve body (1), in the valve body (1)
Axis (2), sealing strip (3) and the second shaft (4), the sealing strip (3) are set on the valve body (1) along the radial direction of the valve body (1)
Inside, the first rotating shaft (2) and second shaft (4) are articulated in the valve body (1) inside, the first rotating shaft (2)
On be installed with the first valve block (5), be installed with the second valve block (6) on second shaft (4)；
The valve body (1) is equipped with the driving device for the first rotating shaft (2) and second shaft (4) to be driven to rotate
(7), during sealed condition, first valve block (5), the sealing strip (3) and second valve block (6) are tightly connected to be formed and block
Part, the closeouts are used to block the valve body (1).
2. volume damper according to claim 1, which is characterized in that the first rotating shaft (2), the sealing strip (3)
Be sequentially distributed with second shaft (4) along the axial direction of the valve body (1), during sealed condition, first valve block (5) with it is described
The upper surface of sealing strip (3) seals against, and second valve block (6) and the lower surface of the sealing strip (3) seal against.
3. volume damper according to claim 2, which is characterized in that the first of semicircular is equipped in the valve body (1)
Boss (11) and second boss (12), the first boss (11) and the second boss (12) are located at the sealing strip respectively
(3) both sides, the lower part in the first boss (11) section where the sealing strip (3), and the first boss (11)
Upper surface and the upper surface of the sealing strip (3) it is coplanar；The second boss (12) is positioned at the sealing strip (3) section
Top, and the lower surface of the second boss (12) and the lower surface of the sealing strip (3) are coplanar.
4. volume damper according to claim 3, which is characterized in that the first rotating shaft (2) is equipped with the first connection
Part (21), first valve block (5) is fixed in the free end end of first connector (21), and junction is different from described
At one valve block (5) and the abutting of the sealing strip (3)；
Second shaft (4) is equipped with the second connector (41), and second valve block (6) is fixed in second connector
(41) free end end, and junction is different from the abutting of second valve block (6) and the sealing strip (3).
5. according to the volume damper described in any one of claim 1-4, which is characterized in that first valve block (5) and institute
It states and sealing ring (8) is arranged on the second valve block (6).
6. volume damper according to claim 5, which is characterized in that its axial direction of sealing ring (8) upper edge is set side by side
There are two card slot, wherein the card slot far from the sealing strip (3) is used to be caught in first valve block (5) or second valve
The edge of piece (6).
7. according to the volume damper described in any one of claim 1-4, which is characterized in that the driving device (7) includes
First gear (71), second gear (72), third gear (73) and actuator (74), the first gear (71) are sheathed on described
In first rotating shaft (2), the second gear (72) is sheathed on second shaft (4), and the third gear (73) is articulated in
On the valve body (1), and it is meshed simultaneously with the first gear (71), the second gear (72), the actuator (74)
On the valve body (1), and for the third gear (73) to be driven to rotate.
8. volume damper according to claim 7, which is characterized in that described in the end of the first rotating shaft (2) is stretched out
Valve body (1) is external, and the first gear (71) is sheathed on the end of the first rotating shaft (2)；The end of second shaft (4)
The outside of the valve body (1) is stretched out, the second gear (72) is sheathed on the end of second shaft (4), the third tooth
Wheel (73) is articulated on the outer wall of the valve body (1), and the actuator (74) is on the outer wall of the valve body (1)；Described
One gear (71) is identical with the second gear (72) reference diameter.
9. according to the volume damper described in any one of claim 1-4, which is characterized in that sealing strip (3) top and
Lower part is equipped with ribs (31).
10. a kind of center cooking fume control equipment, which is characterized in that including described in any one of kitchen ventilator and claim 1-9
Volume damper, the volume damper are communicated between the exhaust outlet of the kitchen ventilator and the gas outlet of common flue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721679016.5U CN207554809U (en) | 2017-12-06 | 2017-12-06 | Volume damper and central cooking fume control equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721679016.5U CN207554809U (en) | 2017-12-06 | 2017-12-06 | Volume damper and central cooking fume control equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207554809U true CN207554809U (en) | 2018-06-29 |
Family
ID=62665024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721679016.5U Active CN207554809U (en) | 2017-12-06 | 2017-12-06 | Volume damper and central cooking fume control equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109737225A (en) * | 2019-02-27 | 2019-05-10 | 杭州老板电器股份有限公司 | Check-valves and kitchen ventilator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109737225A (en) * | 2019-02-27 | 2019-05-10 | 杭州老板电器股份有限公司 | Check-valves and kitchen ventilator |
| CN109737225B (en) * | 2019-02-27 | 2024-05-24 | 杭州老板电器股份有限公司 | Check valve and range hood |
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