WO2017166369A1 - 通风阀 - Google Patents

通风阀 Download PDF

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Publication number
WO2017166369A1
WO2017166369A1 PCT/CN2016/080990 CN2016080990W WO2017166369A1 WO 2017166369 A1 WO2017166369 A1 WO 2017166369A1 CN 2016080990 W CN2016080990 W CN 2016080990W WO 2017166369 A1 WO2017166369 A1 WO 2017166369A1
Authority
WO
WIPO (PCT)
Prior art keywords
gear
sun gear
valve body
blades
valve according
Prior art date
Application number
PCT/CN2016/080990
Other languages
English (en)
French (fr)
Other versions
WO2017166369A8 (zh
Inventor
唐光野
阮红正
Original Assignee
倚世节能科技（上海）有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 倚世节能科技（上海）有限公司 filed Critical 倚世节能科技（上海）有限公司
Priority to CA3019218A priority Critical patent/CA3019218A1/en
Priority to KR1020187028686A priority patent/KR102063127B1/ko
Priority to EP16896147.2A priority patent/EP3444507A4/en
Priority to JP2018552005A priority patent/JP6630851B2/ja
Priority to US16/089,981 priority patent/US20190113248A1/en
Publication of WO2017166369A1 publication Critical patent/WO2017166369A1/zh
Publication of WO2017166369A8 publication Critical patent/WO2017166369A8/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/223—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves with a plurality of valve members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/20—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/20—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
    • F16K1/2014—Shaping of the valve member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/20—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
    • F16K1/2021—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member with a plurality of valve members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/36—Valve members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K24/00—Devices, e.g. valves, for venting or aerating enclosures
    • F16K24/04—Devices, e.g. valves, for venting or aerating enclosures for venting only
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/53—Mechanical actuating means with toothed gearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/53—Mechanical actuating means with toothed gearing
    • F16K31/535—Mechanical actuating means with toothed gearing for rotating valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation

Definitions

  • the invention relates to a ventilation valve.
  • Ventilation valve is a kind of regulating valve with simple structure and wide application. It can be used in ventilation, environmental protection engineering in various industries such as chemical industry, building materials and power stations, as a control device for regulating or cutting off gas medium flow.
  • the gear mechanism is rotated by the gear mechanism in the ventilation valve, but the gear structure in the prior art is relatively simple, because vibration is easy to occur during the operation of the motor, and if the vibration amplitude is large, the gear structure is easy to In the case of gear misalignment or jamming, in addition to easy damage to the gear, it is also easy to damage the motor, reduce the service life of the ventilation valve, and the noise is large.
  • an object of the present invention is to provide a ventilating valve including a cylindrical valve body, a gear box, a plurality of fan-shaped blades, and a driving device.
  • the inner surface of the valve body is provided with a sealing device, and the valve body is
  • the center is provided with a gear box, and the gear box is provided with a gear mechanism;
  • the driving device drives the gear mechanism to drive the blades to rotate in the same direction around the respective central axes; the blades are uniformly disposed in the valve body, and one end of the blade is combined with the outer wall of the gear box
  • the gear mechanism includes a first sun gear and a second sun gear disposed on the same support shaft, and the first sun gear and the second sun gear are disposed with a plurality of ends disposed at each end of the center shaft extending into the gear box.
  • the gears are respectively meshed with the first sun gear and the second sun gear;
  • the valve body is further provided with one or more air flow meters, and the distance between the axis of the one
  • the ventilation valve is safe and reliable, can accurately control the ventilation amount, improves the safety of the gear mechanism, effectively reduces the use loss and prolongs the service life.
  • the ventilation valve is also provided with a control device.
  • first sun gear and the second sun gear are connected to the support shaft through bearings.
  • a support tube sleeved on the support shaft is disposed between the two bearings. Both ends of the support tube abut against the first sun gear and the second sun gear, respectively.
  • one of the plurality of blades is an active blade, and the driving device is connected to the central axis of the active blade.
  • the gear is a bevel gear.
  • first sun gear and the second sun gear are both disc structures, and one side of the first sun gear and the second sun gear meshing with the bevel gear is provided with teeth that mesh with the bevel gear.
  • one or more reinforcing ribs are provided at the bottom of the valve body.
  • the center of the one or more reinforcing ribs is provided with a fixing portion for fixing the gear case.
  • the fixing portion is provided with a first positioning portion, and a corresponding position on the upper case or the lower case of the gear case is provided with a second positioning portion corresponding to the positioning portion.
  • the present invention relates to a small external size, a safe and reliable structure, an effective increase in reliability and stability of the gear structure, and an increase in noise of the ventilation valve.
  • Figure 1 is a schematic structural view of a ventilation valve of the present invention
  • Figure 2 is a plan view of Figure 1;
  • FIG. 3 is a schematic view of the structure of the ventilation valve blade when it is fully opened
  • FIG. 4 is a schematic view showing the structure of the blade 3;
  • Figure 5 is a schematic structural view of the gear box 2 and the gear mechanism
  • Figure 6 is a schematic view showing the structure of the bottom of the valve body 1 of Figure 1.
  • the present invention provides a ventilating valve including a cylindrical valve body 1, a gear case 2, a plurality of fan-shaped blades 3, and a driving device 4.
  • a plurality of blades 3 are uniformly disposed in the valve body 1.
  • the central portion of the blade 3 is provided with a central shaft 31, and the blade 3 is rotatable about the central axis 31; one end of the central shaft 31 is rotatably connected to the valve body 1, and the center of the blade
  • the other end of the shaft 31 projects into the gear case 2 and is rotatable relative to the gear case 2; one end of the blade 3 is coupled to the outer wall of the gear case 2, that is, when the vent valve is closed, one end of the blade 3 and the outer wall of the gear case 2
  • the inner surface of the valve body 1 is provided with a sealing device, and the sealing device can seal the ventilation valve after the ventilation valve is closed, ensuring that the ventilation valve has good sealing performance and preventing the outside of the ventilation valve. Wind or airflow enters the interior of the ventilation valve.
  • a step portion as a sealing means on the inner surface of the valve body 1, and when the vent valve is closed, the blade 3 is fitted to the step portion to achieve the sealing performance of the vent valve.
  • the valve body 1 In order to better measure the amount of air introduced by the ventilation valve, in the valve body 1 One or more air flow meters 6 are disposed therein, and the distances of the axes of the respective air flow meters 6 to the axis of the valve body are not equal, so as to measure the air volume of the different rotation radius of the ventilation valve.
  • a control device is further provided in the ventilation valve, and the control device can be used for recording the monitoring data of the air volume meter 6, and can also process the monitoring data, and compare the monitoring data with a preset air volume value.
  • the ventilation amount of the ventilation valve is corrected according to the difference between the monitoring data and the preset air volume value, that is, the driving force of the driving device is corrected, and the adjustment is performed.
  • the angle of opening of the blade 3 adjusts the ventilation amount of the ventilation valve, thereby realizing precise control of the ventilation amount of the ventilation valve, and realizing the use of the preset value of the air volume and the monitoring value of the air volume meter 6 to correct the opening of the ventilation valve.
  • control device can be arranged on the valve body 1 of the ventilation valve or in the control portion of the equipment equipped with the ventilation valve, thereby further reducing the external dimensions of the ventilation valve.
  • the center of the valve body 1 is provided with a gear case 2, and a gear mechanism is provided in the gear case 2.
  • the gear box 2 protects the gear mechanism from dust or other foreign matter falling into the gear mechanism, causing wear to the gear mechanism and prolonging the service life of the gear. At the same time, it can also prevent the user from being accidentally injured by the gear during use, which is dangerous.
  • the gear mechanism includes a first sun gear 23 and a second sun gear 24 that are sleeved on the same support shaft 25, wherein the support shaft 25 is located at the center of the gear box 2, the first sun gear 23 and A plurality of gears disposed at one end of each of the center shafts 31 projecting into the gear case 2 are disposed between the second sun gears 24, and each of the gears meshes with the first sun gear 23 and the second sun gear 24 at the same time.
  • the gear is disposed between the first sun gear 23 and the second sun gear 24, which can effectively increase the structural stability of the gear mechanism, so that the ventilation valve can be smoothly opened or closed during operation, and the ventilation valve is prevented during operation. Risk of vibration.
  • a support shaft 25 for supporting may be provided in the middle of the gear case 2 to further increase the strength of the ventilation valve.
  • the support shaft 25 is permeable from the middle of the first sun gear 23 and the second sun gear 24, and the upper case 21 and the lower case 22 are connected by the support shaft 25 and fixed by a nut.
  • the connection of the first sun gear 23 and the second sun gear 24 to the support shaft 25 is achieved by bearings, that is, the first sun gear 23 is connected to the support shaft 25 through the first bearing, and the second sun gear 24 is passed.
  • the second bearing is connected to the support shaft 25, in order to further improve the structural stability of the gear mechanism, it is preferable to add a support tube sleeved on the support shaft 25 between the first bearing and the second bearing, and support both ends of the tube Abutting the first bearing and the second bearing, respectively. In this way, the structural stability of the gear mechanism can be further increased to prevent the blade 3 from shaking.
  • the gear box 2 includes the upper case 21 and the lower case for the convenience of installation and maintenance.
  • the body 22, the upper case 21 and the lower case 22 are fastened to each other.
  • the shapes of the upper case 21 and the lower case 22 may be changed according to the needs of use or the size of the space used.
  • both the upper case 21 and the lower case 22 are preferably tapered, further reducing the outer dimensions of the gear case 2.
  • the venting valve is further provided with a driving device 4 that drives the blades 3 to rotate in the same direction about the respective central axes 31 by driving the first sun gear 23 or the second sun gear 24.
  • a driving device 4 that drives the blades 3 to rotate in the same direction about the respective central axes 31 by driving the first sun gear 23 or the second sun gear 24.
  • a motor it is preferable to use a motor as the driving device 4 of the ventilation valve, and the positive and negative rotation of the motor is used to drive the blade 3 to rotate counterclockwise or clockwise to realize the opening or closing of the ventilation valve.
  • the driving device 4 drives the blade 3
  • the front surface 34 of the blade 3 is rotated to be perpendicular to the axis of the valve body 1, the venting valve is completely closed, and the side faces 33 of the adjacent two blades 3 are closely attached to each other, one of which The angle between the side 33 of the blade 3 and the front surface 34 of the blade 3 is less than 90°, the angle 33 of the other blade 3 is more than 90° to the front surface 34 of the blade 3, and the blade 3 is in a state where the vent valve is completely closed.
  • the other end is combined with a sealing device.
  • the side 33 of the blade 3 is not perpendicular to the front surface 34 of the blade 3, and when the venting valve is completely closed, the side faces 33 of the adjacent two blades 3 can be in close contact with each other, reducing the wind or airflow from the phase.
  • the probability of entering the gap between the two adjacent blades 3 greatly enhances the sealing performance between the blades 3 and improves the sealing of the ventilation valve.
  • control the motor by means of a control device, such as by controlling the forward or reverse rotation of the motor or controlling the forward or reverse of the motor.
  • the torque of the rotation thus controls the size of the opening or closing of the blade 3, or the time of opening or closing.
  • a plurality of blades 3 are provided in the valve body 1, effectively reducing the outer dimensions of the blades 3, that is, reducing the axis of the valve body 1 when the vent valve is fully opened and the front surface 34 of the blade 3 is rotated.
  • the height of the blade 3 in parallel is effective to reduce the height of the valve body 1, so that the ventilation valve can be applied to a wider range and can be applied in a smaller environment.
  • the pressures of the blades 3 are correspondingly reduced, and the torque required for the blades 3 to rotate is correspondingly reduced, thereby effectively reducing the driving force required for the output of the driving device 4. This reduces the torque experienced by the drive unit 4 and greatly extends the service life of the drive unit 4.
  • the provision of a plurality of blades 3 in the valve body 1 can also divert the wind or airflow entering the ventilation valve after the ventilation valve is fully opened, thereby reducing the wind resistance, thereby greatly reducing the noise of the ventilation valve during ventilation.
  • each of the blades 3 is fan-shaped, and any number of blades 3 can be employed depending on the use.
  • a central shaft 31 is provided in the middle of the blade 3, and the blade 3 is rotatable about the central axis 31.
  • the blade 3 in order to increase the strength of the blade 3, it is preferable to adopt an integral structure of the blade 3 and the center shaft 31, that is, the blade 3 is integrally formed with the center shaft 31 during the production process, and the strength of the blade 3 is effectively improved.
  • the thickness of the blade 3 is preferably 3 to 5 mm, and further, in the present invention, the thickness of the blade 3 is preferably 3.5 to 4 mm.
  • the blade 3 is preferably made of a non-metal material such as polyethylene material (PE), polyvinyl chloride material (PVC), polypropylene material (PP), etc., but the invention is not limited thereto, and other Various materials are used as the material of the blade 3.
  • PE polyethylene material
  • PVC polyvinyl chloride material
  • PP polypropylene material
  • the driving device 4 may be disposed outside the valve body 1 as needed, or may be disposed in the gear case 2.
  • one of the plurality of blades 3 may be provided as the driving blade 3, and the driving device 4 is connected to the central shaft 31 of the driving blade 3.
  • the driving blade 3 rotates to drive the center gear of the gear box 2 that meshes with the gear provided at one end of the central shaft 31 of the driving blade 3, thereby driving the other and the center.
  • the gears meshing with the gears rotate, eventually causing all of the blades 3 to rotate in the same direction as the active blades 3.
  • the driving device 4 When the driving device 4 is disposed in the gear box 2, the driving device 4 is mainly used to drive the first sun gear 23 or the second sun gear 24 to rotate, and when the first sun gear 23 or the second sun gear 24 rotates, The respective gears meshing therewith and the second sun gear 24 or the first sun gear 23 are rotated to drive the blades 3 to rotate.
  • the gear provided at the end of the central shaft 31 of the blade 3 is preferably a bevel gear 32, and the first sun gear 23 and the second sun gear 24 are both disk structures, the first sun gear 23 and The side of the second sun gear 24 that meshes with the bevel gear 32 is provided with teeth that mesh with the bevel gear 32.
  • Providing the gear provided at the end of the center shaft 31 of the blade 3 as the bevel gear 32 can increase the meshing area of the mutual engagement between the gears without increasing the outer size of the gear case 2, making the gear transmission more efficient.
  • one or more reinforcing ribs 5 may be disposed at the bottom of the valve body 1.
  • the reinforcing portion 51 is preferable. It is 13 mm.
  • the fixing portion 52 for fixing the gear case 2 is provided at the center of the one or more reinforcing ribs 5, and in the present invention, it is preferable that the fixing portion 52 has a height of 3 mm to match The height of the reinforcing portion 51 on the rib 5; at the same time, the first positioning portion is provided on the fixing portion 52, and the positioning portion is provided at a corresponding position on the upper case 21 or the lower case 22 of the gear case 2. Corresponding second positioning portions are provided to facilitate the installation of the gear box 2. In the present invention, it is preferable that the fixing portion 52 and the gear case 2 are positioned to each other in a single trimming manner to facilitate the mounting.
  • the motor is first started, and the driving blade 3 is driven by the motor, and the middle of the driving blade 3 is utilized.
  • the bevel gear 32 on the mandrel 31 drives the sun gear to rotate, thereby driving the bevel gear 32 on the central shaft 31 of the remaining blades 3 to rotate, and finally all the blades 3 rotate in the same direction, so that the ventilation valve is fully opened.
  • the motor is started again to reverse the motor, and the driving blade 3 is driven by the motor, and the bevel gear 32 on the central shaft 31 of the driving blade 3 drives the sun gear to rotate in the opposite direction, thereby driving the remaining blades 3
  • the bevel gear 32 on the center shaft 31 rotates, eventually causing all of the blades 3 to rotate in the opposite direction at the same time, so that the venting valve is completely closed. It is also possible to control the torque of the motor according to the use, so that the blade 3 is opened or closed at a certain angle to realize the function of controlling the ventilation amount.
  • the ventilation valve can be driven manually to adjust the ventilation.
  • the ventilation valve structure of the present invention is safe and reliable, and is relatively stable during operation, does not vibrate, and is worthy of widespread application.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Air-Flow Control Members (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Lift Valve (AREA)
  • Measuring Volume Flow (AREA)

Abstract

一种通风阀，包括圆筒状的阀体(1)、齿轮盒(2)、多块扇面状的叶片(3)以及驱动装置(4)，阀体(1)的中心设置有齿轮盒(2)，齿轮盒(2)内设置有齿轮机构；驱动装置(4)通过驱动齿轮机构从而驱动叶片(3)绕各自的中心轴进行同向转动；叶片(3)均布设置于阀体(1)内，齿轮机构包括套设于同一支撑轴(25)上的第一中心齿轮(23)和第二中心齿轮(24)，第一中心齿轮(23)和第二中心齿轮(24)之间设置有多个设置于各中心轴伸入齿轮盒(2)内的一端的齿轮，各齿轮均同时与第一中心齿轮(23)和第二中心齿轮(24)相啮合；阀体(1)内还设有一个或多个风量仪(6)，一个或多个风量仪的轴线到阀体的轴线的距离不相等。该通风阀可精确控制通风量，安全可靠，提高了齿轮机构的安全性，有效减小了使用损耗，延长了使用寿命。

Description

通风阀 技术领域
本发明涉及一种通风阀。
背景技术
通风阀为一种结构简单、应用广泛的调节阀门，可应用于化工、建材、电站等各种行业中的通风、环保工程中，作为气体介质流量调节或切断的控制装置。
在现有技术中，通风阀内多用齿轮机构对叶片进行旋转控制，但现有技术中的齿轮结构较为简单，由于在电机运转过程中容易发生振动，若振动幅度较大时，齿轮结构间容易发生齿轮错位或卡死的情况，除了易对齿轮造成损伤外，也容易对电机造成损伤，减小通风阀的使用寿命，且噪音较大。
发明内容
为了解决上述问题，本发明的目的在于提供一种通风阀，包括圆筒状的阀体、齿轮盒、多块扇面状的叶片以及驱动装置，阀体的内表面设有密封装置，阀体的中心设置有齿轮盒，齿轮盒内设置有齿轮机构；驱动装置通过驱动齿轮机构从而驱动叶片绕各自的中心轴进行同向转动；叶片均布设置于阀体内，叶片的一端与齿轮盒的外壁结合，齿轮机构包括套设于同一支撑轴上的第一中心齿轮和第二中心齿轮，第一中心齿轮和第二中心齿轮之间设置有多个设置于各中心轴伸入齿轮盒内的一端的齿轮，各齿轮均同时与第一中心齿轮和第二中心齿轮相啮合；阀体内还设有一个或多个风量仪，一个或多个风速仪的轴线到阀体的轴线的距离不相等。
该通风阀安全可靠，可精确控制通风量，提高了齿轮机构的安全性，有效减小了使用损耗，延长了使用寿命。
优选地，通风阀还设有控制装置。
进一步地，第一中心齿轮和第二中心齿轮与支撑轴均通过轴承相连接。
优选地，两轴承间设有套设于支撑轴上的支撑管。支撑管的两端分别与第一中心齿轮和第二中心齿轮相抵接。
进一步地，多块叶片中的其中一块叶片为主动叶片，驱动装置与主动叶片的中心轴相连接。
优选地，齿轮为锥齿轮。
进一步地，第一中心齿轮与第二中心齿轮均为圆盘结构，第一中心齿轮和第二中心齿轮与锥齿轮相啮合的一面均设有与锥齿轮相啮合的齿。
优选地，阀体底部设有一根或多根加强筋。
进一步地，一根或多根加强筋的中心设有用于固定所述齿轮盒的固定部。
进一步地，固定部上设置有第一定位部，齿轮盒的上盒体或下盒体上相对应的位置设有与定位部相对应的第二定位部。
如上，本发明涉及的外部尺寸小，结构安全可靠，有效增大了齿轮结构的可靠性以及稳定性，延长了通风阀的噪音。
附图说明
图1为本发明通风阀的结构示意图；
图2为图1的俯视图；
图3为通风阀叶片完全开启时的结构示意图
图4为叶片3的结构示意图；
图5为齿轮盒2以及齿轮机构的结构示意图；
图6为图1中阀体1底部的结构示意图。
元件标号说明
1  阀体
2  齿轮盒
21 上盒体
22 下盒体
23 第一中心齿轮
24 第二中心齿轮
25 支撑轴
3  叶片
31 中心轴
32 锥齿轮
33 侧面
34 正面
4  驱动装置
5  加强筋
51 加强部
52 固定部
6  风量仪
具体实施方式
以下由特定的具体实施例说明本发明的实施方式，本领域技术人员可由本说明书所揭示的内容轻易地了解本发明的其他优点及功效。虽然本发明的描述将结合较佳实施例一起介绍，但这并不代表此发明的特征仅限于该实施方式。恰恰相反，结合实施方式作发明介绍的目的是为了覆盖基于本发明的权利要求而有可能延伸出的其它选择或改造。为了提供对本发明的深度了解，以下描述中将包含许多具体的细节。本发明也可以不使用这些细节实施。此外，为了避免混乱或模糊本发明的重点，有些具体细节将在描述中被省略。
另外，在以下的说明中所使用的“上”、“下”、“左”、“右”、“顶”、“底”，不应理解为对本发明的限制。
如图1至图6所示，本发明提供一种通风阀，该通风阀包括圆筒状的阀体1、齿轮盒2、多块扇面状的叶片3以及驱动装置4。
在本发明中，多块叶片3均布设置于阀体1内，叶片3的中部设置有中心轴31，叶片3可以绕中心轴31转动；中心轴31一端与阀体1转动连接，叶中心轴31的另一端伸入齿轮盒2内，且可相对于齿轮盒2转动；叶片3的一端与齿轮盒2的外壁结合，即当通风阀关闭后，叶片3的一端与齿轮盒2的外壁紧密贴合，具有一定的密封性能；阀体1的内表面设有密封装置，密封装置可在通风阀关闭后对通风阀进行密封，保证通风阀具有较好的密封性能，防止通风阀外的风或气流进入通风阀内部。
进一步地，在本发明中，优选在阀体1内表面设置台阶部作为密封装置，当通风阀关闭后，叶片3与台阶部贴合，实现通风阀的密封性能。
在本发明中，如图1至图2所示，为了更好地测量通风阀的所通入的风量，在阀体1 内设有一个或多个风量仪6，且各个风量仪6的轴线到阀体的轴线的距离不相等，以便于测量通风阀不同旋转半径的风量大小。在本发明中，优选采用三个风量仪6对通风阀的通风量进行监测，且三个风量仪6的轴线到阀体1的轴线的距离不相同。进一步地，还可以根据使用需要在阀体1内设置三个以上的风量仪6，以对通风阀的通风量进行更好的监测。
进一步地，在本发明中，在通风阀内还设有控制装置，控制装置可用于记录风量仪6的监测数据，还可以对监测数据进行处理，将监测数据与预设的风量值进行对比，在得到监测数据与预设的风量值间的差值后，根据监测数据与预设的风量值间的差值对通风阀的通风量进行修正，即对驱动装置的驱动力进行修正，通过调节叶片3开启的角度大小调节通风阀的通风量，从而实现对通风阀的通风量的精确控制，实现利用风量预设值与风量仪6的监测值来修正通风阀开启的大小。
更进一步，控制装置可以设置于通风阀的阀体1上，也可以集成在装配有通风阀的装备的控制部中，从而进一步减小通风阀的外部尺寸。
在本发明中，阀体1的中心设置有齿轮盒2，齿轮盒2内设置有齿轮机构。齿轮盒2对齿轮机构进行保护，防止灰尘或其他异物落入齿轮机构内，对齿轮机构造成磨损，延长齿轮的使用寿命。同时，也可以防止使用者在使用时被齿轮误伤，造成危险。
进一步地，在本发明中，齿轮机构包括套设于同一支撑轴25上的第一中心齿轮23和第二中心齿轮24，其中，支撑轴25位于的齿轮盒2中心，第一中心齿轮23和第二中心齿轮24之间设置有多个设置于各中心轴31伸入齿轮盒2内的一端的齿轮，各齿轮均同时与第一中心齿轮23和第二中心齿轮24相啮合。将齿轮设置于第一中心齿轮23与第二中心齿轮24间，可以有效地增加齿轮机构的结构稳定性，从而使通风阀在工作时片可以平稳地打开或关闭，防止通风阀在运转过程中发生振动造成危险。
更进一步，在本发明中，在齿轮盒2中部还可设有用于支撑的支撑轴25，进一步增加通风阀的强度。支撑轴25可以从第一中心齿轮23以及第二中心齿轮24的中部穿过，且上盒体21和下盒体22通过支撑轴25相连接，并通过螺母固定。
在本发明中，第一中心齿轮23以及第二中心齿轮24与支撑轴25的连接均通过轴承实现，即第一中心齿轮23通过第一轴承与支撑轴25相连接，第二中心齿轮24通过第二轴承与支撑轴25相连接，为了进一步提高齿轮机构的结构稳定性，优选在第一轴承和第二轴承间加设有套设于支撑轴25上的支撑管，且支撑管的两端分别与所述第一轴承和第二轴承相抵接。如此便可以进一步增加齿轮机构的结构稳定性，防止叶片3晃动。
进一步地，在本发明中，为了安装以及维修的方便，齿轮盒2包括上盒体21和下盒 体22，上盒体21和下盒体22相互扣合连接。在具体实施时，上盒体21和下盒体22的形状可以根据使用需要或使用空间的大小进行更改。在本发明中，上盒体21和下盒体22均优选为锥形，进一步减小了齿轮盒2的外部尺寸。
在本发明中，通风阀还设有驱动装置4，驱动装置4通过驱动第一中心齿轮23或第二中心齿轮24从而驱动叶片3绕各自的中心轴31进行同向转动。更进一步，优选采用电机作为通风阀的驱动装置4，通过电机的正传以及反转从而带动叶片3进行逆时针或顺时针的转动，实现通风阀的开启或关闭。
进一步地，当驱动装置4对叶片3进行驱动时，叶片3的正面34转动至与阀体1的轴线垂直时，通风阀完全关闭，相邻的两叶片3的侧面33相互紧贴，其中一个叶片3的侧面33与叶片3的正面34的夹角小于90°，另一个叶片3的侧面33与叶片3的正面34的夹角大于90°，且在通风阀完全关闭的状态下，叶片3的另一端与密封装置相结合。在本发明中，叶片3的侧面33不与叶片3的正面34相垂直，且当通风阀完全关闭后，相邻的两叶片3的侧面33可以相互紧贴，减小了风或气流从相邻两叶片3间的缝隙中进入的几率，大大增强了叶片3间的密封性能，同时提高了通风阀的密封性。
更进一步，在本发明中，为了对叶片3的打开或关闭进行更好地控制，还可以利用控制装置对电机进行控制，如通过控制电机的正传或反转或是控制电机正传或反转的扭矩从而对叶片3的打开或关闭的大小、或是打开或关闭的时间进行控制。
在本发明中，在阀体1内设置多块叶片3，有效减小了各叶片3的外部尺寸，即减小了当通风阀完全开启，叶片3的正面34转动之与阀体1的轴线平行时叶片3的高度，从而有效降低了阀体1的高度，使通风阀的适用范围更广泛，可应用于更小的环境内。进一步地，当采用多块叶片3时，各叶片3所承受的压力也相应减小，而叶片3转动所需要的转矩也相应减小，从而有效降低了驱动装置4所需要输出的驱动力，使得驱动装置4所承受的扭矩减小，大大延长了驱动装置4的使用寿命。此外，在阀体1内设置多块叶片3也可以在通风阀完全开启后对进入通风阀的风或气流进行分流，减小风阻，从而大大降低了通风阀在通风时的噪音。
更进一步，在本发明中，各叶片3呈扇面状，且可以根据使用需要采用任何数量的叶片3。叶片3的中部设置有中心轴31，叶片3可以绕中心轴31转动。在本发明中，为了提高叶片3的强度，优选将叶片3与中心轴31采用一体式结构，即在生产过程中，叶片3与中心轴31一体成型，有效提高了叶片3的强度。进一步地，叶片3的厚度优选为3～5毫米，更进一步，在本发明中，叶片3的厚度优选为3.5～4毫米。
更进一步，叶片3优选采用非金属材料制成，如聚乙烯材料(PE)、聚氯乙烯材料(PVC)、聚丙烯材料(PP)等，但本发明并不局限于此，还可以使用其他各种材料作为叶片3的材料。
在本发明中，驱动装置4可以根据使用需要设置于阀体1外部，也可以设置于齿轮盒2内。当驱动装置4设置于阀体1外部时，可以将多块叶片3中的其中一块设置为主动叶片3，驱动装置4与主动叶片3的中心轴31相连接。当驱动装置4对主动叶片3进行驱动时，主动叶片3进行转动，从而带动齿轮盒2内与设置于主动叶片3的中心轴31一端的齿轮相啮合的中心齿轮转动，从而带动其他的与中心齿轮相啮合的齿轮转动，最终使得所有叶片3与主动叶片3进行同向转动。
当驱动装置4设置于齿轮盒2内时，驱动装置4主要用于驱动第一中心齿轮23或第二中心齿轮24进行转动，当第一中心齿轮23或第二中心齿轮24进行转动时，带动与其相啮合的各个齿轮以及第二中心齿轮24或第一中心齿轮23进行转动，从而带动叶片3进行转动。
进一步地，在本发明中，设置于叶片3的中心轴31端部的齿轮优选为锥齿轮32，且第一中心齿轮23和第二中心齿轮24均为圆盘结构，第一中心齿轮23和第二中心齿轮24与锥齿轮32相啮合的一面设有与锥齿轮32相啮合的齿。将设置于叶片3的中心轴31端部的齿轮设置为锥齿轮32可以在不增加齿轮盒2的外部尺寸的情况下增大齿轮间相互啮合的啮合面积，使齿轮传动更为有效。
为了增加通风阀的强度，还可以在阀体1底部设置一根或多根加强筋5，在本发明中，优选在阀体1底部设置三根加强筋5，即增加了阀体1的强度，又不会减小风或气流的流量。
进一步地，为了使加强筋5的强度更高，优选在每根加强筋5上设置加强部51，加强部51可以根据实际使用需要设置各种高度，在本发明中，优选加强部51的高度为13毫米。
更进一步，在本发明中，在一根或多根加强筋5的中心设置有用于固定所述齿轮盒2的固定部52，在本发明中，优选固定部52的高度为3毫米，以配合加强筋5上的加强部51的高度；同时，在固定部52上设置有第一定位部，而在齿轮盒2的上盒体21或下盒体22上相对应的位置设有与定位部相对应的第二定位部，以方便齿轮盒2的安装。在本发明中，优选在固定部52与齿轮盒2上以单切边的方式进行相互定位，方便安装。
具体实施时，首先启动电机，通过电机对主动叶片3进行驱动，利用主动叶片3的中 心轴31上的锥齿轮32带动中心齿轮进行转动，从而带动其余叶片3的中心轴31上的锥齿轮32转动，最终使所有的叶片3进行同向旋转，使通风阀完全开启。当完成通风后，再次启动电机，使电机反转，通过电机对主动叶片3进行驱动，利用主动叶片3的中心轴31上的锥齿轮32带动中心齿轮进行反向转动，从而带动其余叶片3的中心轴31上的锥齿轮32转动，最终使所有的叶片3同时进行反向旋转，使通风阀完全闭合。也可以根据使用需要控制电机的转矩，从而使叶片3开启或闭合一定的角度，实现控制通风量的功能。
更进一步，还可以通过手动的形式对通风阀进行驱动，方便调节通风量。
综上所述，本发明的通风阀结构安全可靠，且工作时较为平稳，不会发生振动，值得进行广泛推广应用。
上述实施例仅例示性说明本发明的原理及其功效，而非用于限制本发明。任何熟悉此技术的人士皆可在不违背本发明的精神及范畴下，对上述实施例进行修饰或改变。因此，举凡所属技术领域中具有通常知识者在未脱离本发明所揭示的精神与技术思想下所完成的一切等效修饰或改变，仍应由本发明的权利要求所涵盖。

Claims (10)

  1. 一种通风阀，包括圆筒状的阀体、齿轮盒、多块扇面状的叶片以及驱动装置，所述阀体的内表面设有密封装置，所述阀体的中心设置有齿轮盒，所述齿轮盒内设置有齿轮机构；所述驱动装置通过驱动所述齿轮机构从而驱动所述叶片绕各自的中心轴进行同向转动；所述叶片均布设置于所述阀体内，所述叶片的一端与所述齿轮盒的外壁结合；其特征在于，所述齿轮机构包括套设于同一支撑轴上的第一中心齿轮和第二中心齿轮，所述第一中心齿轮和第二中心齿轮之间设置有多个设置于各所述中心轴伸入所述齿轮盒内的一端的齿轮，各所述齿轮均同时与所述第一中心齿轮和第二中心齿轮相啮合；
    所述阀体内还设有一个或多个风量仪，所述一个或多个风速仪的轴线到所述阀体的轴线的距离不相等。
  2. 如权利要求1所述的通风阀，其特征在于，所述通风阀还设有控制装置。
  3. 如权利要求1所述的通风阀，其特征在于，所述第一中心齿轮和第二中心齿轮与所述支撑轴分别通过第一轴承和第二轴承相连接。
  4. 如权利要求3所述的通风阀，其特征在于，所述第一轴承和第二轴承间设有套设于所述支撑轴上的支撑管，所述支撑管的两端分别与所述第一轴承和第二轴承相抵接。
  5. 如权利要求1所述的通风阀，其特征在于，多块所述叶片中的其中一块叶片为主动叶片，所述驱动装置与所述主动叶片的中心轴相连接。
  6. 如权利要求1所述的通风阀，其特征在于，所述齿轮为锥齿轮。
  7. 如权利要求3所述的通风阀，其特征在于，所述第一中心齿轮与所述第二中心齿轮均为圆盘结构，所述第一中心齿轮和所述第二中心齿轮与所述锥齿轮相啮合的一面均设有与所述锥齿轮相啮合的齿。
  8. 如权利要求1所述的通风阀，其特征在于，所述阀体底部设有一根或多根加强筋。
  9. 如权利要求8所述的通风阀，其特征在于，所述一根或多根加强筋的中心设有用于固定所述齿轮盒的固定部。
  10. 如权利要求9所述的通风阀，其特征在于，所述固定部上设置有第一定位部，所述齿轮盒的上盒体或下盒体上相对应的位置设有与所述定位部相对应的第二定位部。
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