CN112664699B - Double-speed electric air valve actuating mechanism - Google Patents
Double-speed electric air valve actuating mechanism Download PDFInfo
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- CN112664699B CN112664699B CN202011287873.7A CN202011287873A CN112664699B CN 112664699 B CN112664699 B CN 112664699B CN 202011287873 A CN202011287873 A CN 202011287873A CN 112664699 B CN112664699 B CN 112664699B
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- rotating gear
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The invention discloses a double-speed electric air valve actuating mechanism which comprises a main shaft, wherein the main shaft is connected with an air door valve plate, a main shaft sleeve is arranged on the main shaft, a pair of main shaft tooth plate groups with different radiuses are arranged on the main shaft sleeve, a gap bridge main rotating gear and a pair of gap bridge auxiliary rotating gear sets with different radiuses are arranged on a gap bridge gear shaft, the gap bridge main rotating gear is meshed with a motor transmission gear set, the main shaft tooth plate groups are correspondingly meshed with the gap bridge auxiliary rotating gear sets, the motor transmission gear set drives the gap bridge main rotating gear to rotate, the gap bridge main rotating gear drives the gap bridge gear shaft and the pair of gap bridge auxiliary rotating gear sets on the gap bridge gear shaft, and the gap bridge auxiliary rotating gear drives the main shaft tooth plate groups to realize double-torque rotation so as to drive the valve plate to realize opening and closing. The structure of the invention realizes the actuating mechanism of two kinds of torque in the working range of 0-90 degrees of opening and closing of the valve, meets the torque required by the air valve in different intervals, has more stable working state and better opening and closing effect of the air valve plate.
Description
Technical Field
The invention belongs to the technical field of air valve control in ventilation air conditioners, and particularly relates to a double-speed electric air valve actuating mechanism.
Background
The air valve is used for an air supply pipeline and an air exhaust pipeline of the ventilation air conditioner. The electric air valve actuating mechanism is an actuating mechanism applied to control the opening and closing of the air valve, and the opening and closing of the air valve is controlled through the control center. The air valve needs to rotate 90 degrees in the opening and closing process, and the action torque required by the valve in the interval of 0-20 degrees in the opening and closing movement is larger than the action torque of 20-90 degrees. However, the existing air valve actuating mechanism can only realize the function of uniform speed and torque, so that the actuating effect of the opening and closing operation of the air valve is poor, and therefore, improvement is needed.
Disclosure of Invention
The invention aims to: the invention aims to overcome the defects of the prior art and provides a double-speed electric air valve actuating mechanism.
The technical scheme is as follows: the invention discloses a double-speed electric air valve actuating mechanism, which comprises a main shaft, wherein the main shaft is connected with an air door valve plate, a main shaft sleeve is arranged on the main shaft, a pair of main shaft gear sets with different radiuses are arranged on the main shaft sleeve, a gap bridge main rotating gear and a pair of gap bridge auxiliary rotating gear sets with different radiuses are arranged on a gap bridge gear shaft, the gap bridge main rotating gear is meshed with a motor transmission gear set, the main shaft gear sets are correspondingly meshed with the gap bridge auxiliary rotating gear sets, the motor transmission gear set drives the gap bridge main rotating gear to rotate, the gap bridge main rotating gear drives the gap bridge gear shaft and a pair of gap bridge auxiliary rotating gear sets on the gap bridge gear shaft to rotate, the gap bridge auxiliary rotating gear drives the main shaft gear sets to rotate with double torque, and the main shaft gear sets drive the air door valve plate to rotate in the whole process to realize opening and closing.
Further, as a preferred embodiment, the main shaft tooth set comprises a main shaft large sector tooth and a main shaft small sector tooth, and the radius of the main shaft large sector tooth is larger than that of the main shaft small sector tooth; the secondary carrier rotating gear set comprises a large secondary carrier rotating gear and a small secondary carrier rotating gear, the radius of the large secondary carrier rotating gear is larger than that of the small secondary carrier rotating gear, and the small secondary carrier rotating gear is driven to be meshed with the large sector gear of the main shaft by rotation of the primary carrier rotating gear, so that the main shaft is driven to rotate within the range of 0-20 degrees under the first torque; the main rotating gear of the gap bridge continues to rotate, the small gap bridge secondary rotating gear is separated from the large sector gear of the main shaft, the small sector gear of the main shaft is meshed with the large gap bridge secondary rotating gear, the main shaft is driven to rotate at a second torque within the range of 20-90 degrees, and the first torque is larger than the second torque; the motor transmission gear set is always meshed with the gap bridge main rotating gear.
Further, as a preferred embodiment, the motor transmission gear set comprises a rotary motor, a first transmission gear and a second transmission gear, wherein a motor gear is arranged on a rotating shaft of the rotary motor, and the motor gear is meshed with the first transmission gear; the first transmission gear is meshed with the second transmission gear, and the second transmission gear is meshed with the carrier main rotating gear.
Further, in order to avoid the slipping problem in the opening and closing process of the valve, when the main shaft drives the air door valve plate to rotate for 20 degrees, the small gap bridge driven rotary gear and the main shaft large sector gear and the main shaft small sector gear and the large gap bridge driven rotary gear are simultaneously in a meshed state.
The beneficial effects are that: the invention provides an actuating mechanism for realizing two kinds of torque in a working range of 0-90 degrees of valve opening and closing, which meets the torque required by a blast gate in different intervals. The original pair of transmission gears in the existing spindle gear and spindle carrier gear are improved to two pairs of sector gears with equal center distance and with the same size ratio, so that when one pair of the spindle gear and the carrier gear is meshed, the other pair of the spindle gear is meshed, and the function of two torques of the spindle within the range of 0-90 degrees is realized.
Drawings
FIG. 1 is a schematic diagram of a prior art stroke valve actuator;
FIG. 2 is a top view of the overall structure of the present invention;
FIG. 3 is a schematic view of the meshing state of gears with 20 degrees of rotation in the opening and closing process of a valve in the invention;
FIG. 4 is a schematic diagram of the gear engaged state of the valve in the present invention;
FIG. 5 is a schematic diagram showing the valve opening state according to the present invention;
wherein: 1. the main shaft, 2, the main shaft cover, 3, the big sector gear of main shaft, 4, the little sector gear of main shaft, 5, the gear shaft of passing bridge, 6, the main commentaries on classics gear of passing bridge, 7, big passing bridge is from changeing the gear, 8, little passing bridge is from changeing the gear, 9, motor drive gear train.
Detailed Description
The technical scheme of the invention is described in detail below through the drawings, but the protection scope of the invention is not limited to the embodiments.
Examples: the double-speed electric air valve actuating mechanism comprises a main shaft 1, wherein the main shaft 1 is connected with an air door valve plate, a main shaft sleeve 2 is arranged on the main shaft 1, a pair of main shaft tooth plate groups are arranged on the main shaft sleeve 2, each main shaft tooth plate group comprises a main shaft large fan tooth plate 3 and a main shaft small fan tooth plate 4, and the radius of the main shaft large fan tooth plate 3 is larger than that of the main shaft small fan tooth plate 4; the gap bridge gear shaft 5 is provided with a gap bridge main rotating gear 6 and a pair of gap bridge auxiliary rotating gear sets, the gap bridge auxiliary rotating gear sets comprise a large gap bridge auxiliary rotating gear 7 and a small gap bridge auxiliary rotating gear 8, the radius of the large gap bridge auxiliary rotating gear 7 is larger than that of the small gap bridge auxiliary rotating gear 8, the gap bridge main rotating gear 6 is meshed with a motor transmission gear set 9, and the gap bridge main rotating gear 6 rotates to drive the small gap bridge auxiliary rotating gear 8 to be meshed with the large sector gear piece 3 of the main shaft, so that a valve on the main shaft 1 is driven to rotate with a first torque within an opening angle range of 0-20 degrees; the main rotating gear 6 of the gap bridge continues to rotate, the secondary rotating gear 8 of the small gap bridge is separated from the large sector gear 3 of the main shaft, the small sector gear 4 of the main shaft starts to be meshed with the secondary rotating gear 7 of the large gap bridge, the valve plate on the main shaft 1 is driven to rotate in a second torque within an opening angle range of 20-90 degrees, the first torque is larger than the second torque, when the main shaft 1 drives the valve plate of the air door to rotate to an opening angle of 20 degrees, the small gap bridge secondary rotating gear 8 is simultaneously meshed with the large sector gear 3 of the main shaft and the small sector gear 4 of the main shaft and the large gap bridge secondary rotating gear 7; the gap bridge driven by the rotary gear 6 drives the main shaft gear set to rotate with double torque, and the main shaft gear set drives the air door valve plate to rotate with double speed in the whole course, so that the opening and closing are realized. The motor transmission gear set 9 comprises a rotary motor, a first transmission gear and a second transmission gear, wherein a motor gear is arranged on a rotating shaft of the rotary motor, and is meshed with the first transmission gear; the first transmission gear and the second transmission gear are always meshed with the carrier main rotating gear.
As shown in fig. 4-5, in the process of opening to closing the valve, the motor transmission gear set 9 drives the gap bridge main rotating gear 6 to rotate anticlockwise, the large gap bridge auxiliary rotating gear 7 is meshed with the main shaft small fan gear 4 to drive the main shaft small fan gear 4 to rotate clockwise, the main shaft small fan gear 4 drives the air door valve plate to rotate clockwise with a first torque until the air door valve plate is in an opening angle 20 DEG state, the small gap bridge auxiliary rotating gear 8 is meshed with the main shaft large fan gear 3 to drive the main shaft large fan gear 3 to rotate clockwise, and the main shaft large fan gear 3 drives the air door valve plate to rotate clockwise with a second torque until the air door valve plate is in a closed state.
As shown in fig. 4 and 5, in the process of opening the valve from closing, the motor transmission gear set 9 drives the gap bridge main rotating gear 6 to rotate clockwise, the small gap bridge secondary rotating gear 8 starts to be meshed with the main shaft large fan gear 3 to drive the main shaft large fan gear 3 to rotate anticlockwise, the main shaft large fan gear 3 drives the air door valve plate to rotate anticlockwise with a second torque until the air door valve plate is in an opening angle 20 DEG state, the large gap bridge secondary rotating gear 7 starts to be meshed with the main shaft small fan gear 4 to drive the main shaft small fan gear 4 to rotate anticlockwise, and the main shaft small fan gear 4 drives the air door valve plate to rotate anticlockwise with the first torque until the air door valve plate is in a full opening state.
The actuating mechanism of two kinds of torques is realized in the working range of 0-90 degrees of valve opening and closing, the torque required by the air valve in different intervals is met, the working state is more stable, and the opening and closing effect of the air valve plate is better.
As described above, although the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limiting the invention itself. Various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (3)
1. A double-speed electric air valve actuating mechanism is characterized in that: the main shaft is connected with an air door valve plate, a main shaft sleeve is arranged on the main shaft, a pair of main shaft tooth plate groups with different radiuses are arranged on the main shaft sleeve, a gap bridge main rotating gear and a pair of gap bridge auxiliary rotating gear sets with different radiuses are arranged on a gap bridge gear shaft, the gap bridge main rotating gear is meshed with a motor transmission gear set, the main shaft tooth plate groups are correspondingly meshed with the gap bridge auxiliary rotating gear sets, the gap bridge main rotating gear is driven to rotate by the motor transmission gear set, the gap bridge main rotating gear drives the gap bridge gear shaft and the pair of gap bridge auxiliary rotating gear sets on the gap bridge gear shaft to rotate, the gap bridge auxiliary rotating gear drives the main shaft tooth plate groups to rotate with double torque, and the main shaft gear sets drive the valve plate to rotate in the whole course to realize opening and closing of the air door;
the main shaft tooth plate group comprises a main shaft large-sector tooth plate and a main shaft small-sector tooth plate, and the radius of the main shaft large-sector tooth plate is larger than that of the main shaft small-sector tooth plate; the secondary carrier rotating gear set comprises a large secondary carrier rotating gear and a small secondary carrier rotating gear, the radius of the large secondary carrier rotating gear is larger than that of the small secondary carrier rotating gear, and the small secondary carrier rotating gear is driven to be meshed with the large sector gear of the main shaft by rotation of the primary carrier rotating gear, so that the main shaft is driven to rotate within the range of 0-20 degrees under the first torque; the main rotating gear of the gap bridge continues to rotate, the small gap bridge secondary rotating gear is separated from the large sector gear of the main shaft, the small sector gear of the main shaft is meshed with the large gap bridge secondary rotating gear to drive the main shaft to rotate within the range of 20-90 degrees with a second torque, and the first torque is larger than the second torque; the motor transmission gear set is always meshed with the gap bridge main rotating gear.
2. The two-speed electric damper actuator of claim 1 wherein: the motor transmission gear set comprises a rotary motor, a first transmission gear and a second transmission gear, wherein a motor gear is arranged on a rotating shaft of the rotary motor, and the motor gear is meshed with the first transmission gear; the first transmission gear is meshed with the second transmission gear, and the second transmission gear is meshed with the carrier main rotating gear.
3. The two-speed electric damper actuator of claim 2 wherein: when the main shaft drives the air door valve plate to rotate for 20 degrees, the small gap bridge driven rotating gear and the main shaft large sector gear piece and the main shaft small sector gear piece and the large gap bridge driven rotating gear are simultaneously in a meshed state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011287873.7A CN112664699B (en) | 2020-11-17 | 2020-11-17 | Double-speed electric air valve actuating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011287873.7A CN112664699B (en) | 2020-11-17 | 2020-11-17 | Double-speed electric air valve actuating mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112664699A CN112664699A (en) | 2021-04-16 |
| CN112664699B true CN112664699B (en) | 2023-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011287873.7A Active CN112664699B (en) | 2020-11-17 | 2020-11-17 | Double-speed electric air valve actuating mechanism |
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| CN (1) | CN112664699B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10257082B8 (en) * | 2002-12-06 | 2005-03-03 | Techem Development Gmbh | actuator |
| CN2706707Y (en) * | 2004-04-26 | 2005-06-29 | 郑荣俊 | Electric air valve operator |
| CN201377632Y (en) * | 2009-04-20 | 2010-01-06 | 浙江金卡高科技工程有限公司 | Overrunning motor valve with automatic engagement and detachment function |
| JP6223273B2 (en) * | 2014-04-30 | 2017-11-01 | 日本電産サンキョー株式会社 | Damper device |
| CN204420020U (en) * | 2014-12-23 | 2015-06-24 | 广州市万世德智能装备科技有限公司 | A kind of circulation gearbox |
| JP6772022B2 (en) * | 2016-10-13 | 2020-10-21 | 日本電産サンキョー株式会社 | Drain valve drive device |
| CN109556343B (en) * | 2018-12-27 | 2023-12-22 | 江苏凯德电控科技有限公司 | Multi-air-door device |
| CN111089164B (en) * | 2019-12-30 | 2022-04-12 | 宁波高发汽车控制系统股份有限公司 | Gear shifting actuator |
| CN211738163U (en) * | 2020-02-21 | 2020-10-23 | 靖江市新佰洋空调设备科技有限公司 | Opening and closing actuating device for valve or air door |
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2020
- 2020-11-17 CN CN202011287873.7A patent/CN112664699B/en active Active
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