CN110440011B - Ventilation valve - Google Patents
Ventilation valve Download PDFInfo
- Publication number
- CN110440011B CN110440011B CN201910760592.XA CN201910760592A CN110440011B CN 110440011 B CN110440011 B CN 110440011B CN 201910760592 A CN201910760592 A CN 201910760592A CN 110440011 B CN110440011 B CN 110440011B
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- CN
- China
- Prior art keywords
- air door
- sliding rail
- sides
- groups
- valve body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- F16K1/165—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 a plurality of closure members
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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
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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
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
- F16K31/043—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/54—Mechanical actuating means with toothed gearing with pinion and rack
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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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Flow Control Members (AREA)
Abstract
The application relates to a vent valve comprising: the valve body is of a frame structure and is fixed in the air pipe; the two groups of transmission mechanisms are respectively connected to two opposite sides of the valve body; the sliding rail comprises two groups which are arranged in parallel, and each group comprises a first sliding rail groove and a second sliding rail groove; the first sliding rail groove and the second sliding rail groove are mutually parallel and are arranged at two opposite ends of the valve body and are perpendicular to the mounting surface of the transmission mechanism; the air door comprises a first air door and a second air door, both sides of the first end of the first air door are slidably connected to the two groups of first sliding rail grooves, and both sides of the second end of the first air door are correspondingly connected with the two groups of transmission mechanisms; the two sides of the first end of the second air door are respectively connected to the two groups of second sliding rail grooves in a sliding way, and the two sides of the other end of the second air door are correspondingly connected with the two groups of transmission mechanisms; the first air door and the second air door are respectively opened by sliding along the first sliding rail groove and the second sliding rail groove from the middle part of the valve body to two sides, and are closed by sliding from two sides to the middle part.
Description
Technical Field
The application relates to the technical field of building ventilation systems, in particular to a ventilation valve.
Background
At present, air quantity control in building ventilation and heating ventilation air conditioning industry generally adopts butterfly valves with different specifications or a plurality of butterfly valves according to different ventilation quantities), the valve body 2 is arranged in the air pipe 1, the opening mode is that two sides of the air door 3 are opened from the middle, when the air door is closed, the air door is closed from the middle to the two sides, and the path of the wind direction is seen in the arrow direction of the attached figure 1; the air quantity on the upper and lower sides of the air door 3 is large, the middle air quantity of the air pipe is smaller (except for the full opening due to the blocking of the air door), but the air quantity is measured by adopting an air quantity transducer of a pitot tube type, and the measuring position is generally measured by taking the middle position of the air pipe, so that certain errors exist in measurement, the air speed or the air quantity of the middle position of the air pipe is far smaller than the actual value (because the air flows away from the two sides of the air door 3, and the value of the middle air speed or the air quantity is very small), and therefore, how to provide the air valve for overcoming the problems is a problem which needs to be solved by a person skilled in the art.
Disclosure of Invention
The present application aims to solve, at least to some extent, one of the above technical problems in the prior art.
Therefore, an object of the present application is to provide a ventilation valve, which solves the technical problem of large error in measuring air volume caused by the influence of air volume on a butterfly valve switch in the prior art.
The present application provides a vent valve comprising:
the valve body is of a frame structure and is fixed in the air pipe;
the two groups of transmission mechanisms are respectively connected to two opposite sides of the valve body;
the sliding rail comprises two groups which are arranged in parallel, and each group comprises a first sliding rail groove and a second sliding rail groove; the first sliding rail groove and the second sliding rail groove are mutually parallel and are arranged at two opposite ends of the valve body and are perpendicular to the mounting surface of the transmission mechanism;
the air door comprises a first air door and a second air door, both sides of the first end of the first air door are slidably connected to the two groups of first sliding rail grooves, and both sides of the second end of the first air door are correspondingly connected with the two groups of transmission mechanisms; the two sides of the first end of the second air door are respectively connected to the two groups of second sliding rail grooves in a sliding way, and the two sides of the other end of the second air door are correspondingly connected with the two groups of transmission mechanisms; the first air door and the second air door are respectively opened by sliding along the first sliding rail groove and the second sliding rail groove from the middle part of the valve body to two sides, and are closed by sliding from two sides to the middle part.
Compared with the prior art, the ventilation valve provided by the application has the advantages that as the valve comprises the first valve and the second valve, both sides of the first end of the first valve and both sides of the first end of the second valve are correspondingly and slidably connected with the first sliding rail groove and the second sliding rail groove, both sides of the second end of the first valve and the second valve are connected with the transmission mechanism, and the first air door and the second air door are respectively opened in a sliding way from the middle part of the valve body to both sides along the first sliding rail groove and the second sliding rail groove and are closed in a sliding way from both sides to the middle part. In the prior art, the measured air quantity and the actual air quantity of the butterfly valve are consistent only when the air door is fully opened, the error is larger and larger along with the change of the opening angle of the air door, and the smaller the opening angle is, the larger the error value is, but the wind direction of the butterfly valve is always in the middle of an air pipe no matter how much the air door is opened, and the measuring device is generally in the middle, so that the measured air quantity and the actual air quantity value can be ensured to keep synchronously changed, thereby avoiding the error between the measured value and the actual value.
Preferably, each group of transmission mechanisms comprises a gear, a rack and a driving motor;
the driving motor is fixed on the valve body;
the gear is in power connection with the output end of the driving motor;
the racks are two groups, the two groups of racks are respectively positioned at two sides of the gear and are respectively in synchronous meshing transmission with the gear, and each group of racks can slide on a guide rod fixed on the valve body and are hinged with the second end of the first air door or the second air door;
the two groups of gears are connected with transmission power through a shaft.
The power of the driving motor is selected according to the actual application scene, and the matching parameters of the gear and the rack are selected according to the use condition. The rack is far away from the tooth profile side and is sleeved on the guide rod through the connecting ring, so that the rack can move up and down along the guide rod under the driving of the gear, and then the air door is driven to slide from one end of the sliding rail to the other end, and the opening and closing of the air door are realized.
Preferably, the driving motor is fixed on the valve body through a fixing plate, and a speed reducing mechanism is arranged between the driving motor and the gear. The speed reducing mechanism adopts the existing speed reducing mechanism to realize the speed reduction and torque increase of the output rotating speed of the motor and drive the air door to open or close.
Preferably, both sides of the first end of the first air door and the second air door are provided with sliding blocks matched with the first sliding rail groove and the second sliding rail groove, so that the first air door and the second air door can be conveniently kept to move along the track of the sliding rail groove without derailing and the speed block can be conveniently operated.
Obviously, the above-mentioned cooperation structure is not limited to spout and slider cooperation, also can replace the slider gyro wheel, and gyro wheel and spout roll cooperation, spout edge tighten up, prevent that the gyro wheel from derailing.
Preferably, the valve further comprises a PLC controller, wherein the PLC controller is electrically connected with the driving motor and is fixed on the outer side surface of the valve body, and the opening or closing time and the rotating speed of the driving motor can be controlled according to a program preset by the PLC controller.
The valve body can be powered by a battery pack, and can also be connected with a power supply to supply power for the driving motor and the PLC.
Preferably, the second ends of the first and second dampers each have a flap that remains closed when the first and second valves are closed.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic longitudinal sectional view of a prior art butterfly valve in a duct with an open damper;
FIG. 2 is a schematic view of a vent valve according to the present application in longitudinal cross-section with a certain opening angle;
FIG. 3 is a schematic longitudinal sectional view of a vent valve in a closed state according to the present application;
FIG. 4 is a schematic longitudinal sectional view showing a fully opened state of a vent valve according to the present application;
fig. 5 is a schematic structural view of an embodiment of a ventilation valve according to the present application.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present application and should not be construed as limiting the application.
In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The embodiment of the application discloses a ventilation valve, which solves the technical problem that the air quantity of a butterfly valve switch is influenced, so that the error of measuring the air quantity is large in the prior art.
Referring to fig. 2-5, the present application provides a vent valve comprising:
the valve body 2, the valve body 2 is a frame structure, it is fixed in the air pipe 1;
the transmission mechanisms 4 are two groups, and the transmission mechanisms 4 are respectively connected to two opposite sides of the valve body 2;
the sliding rail comprises two groups which are arranged in parallel, and each group comprises a first sliding rail groove 21 and a second sliding rail groove 22; the first slide rail groove 21 and the second slide rail groove 22 are arranged on two opposite ends of the valve body 2 in parallel and are perpendicular to the mounting surface of the transmission mechanism 4;
the air door 3 comprises a first air door 31 and a second air door 32, two side surfaces of the first end of the first air door 31 are slidably connected to the two groups of first sliding rail grooves 21, and two sides of the second end of the first air door are correspondingly connected with the two groups of transmission mechanisms 4; the two sides of the first end of the second air door 32 are respectively connected to the two groups of second slide rail grooves 22 in a sliding manner, and the two sides of the other end of the second air door are correspondingly connected with the two groups of transmission mechanisms 4; the first air door 31 and the second air door 32 are respectively opened by sliding from the middle part of the valve body 2 to two sides along the first slide rail groove 21 and the second slide rail groove 22, and are closed by sliding from two sides to the middle part.
The application discloses a ventilation valve, which comprises a first valve and a second valve, wherein two sides of a first end of the first valve and two sides of a second end of the first valve are correspondingly and slidably connected with a first sliding rail groove and a second sliding rail groove, two sides of the second end of the first valve and the second valve are respectively connected with a transmission mechanism, and a first air door and a second air door are respectively opened from the middle part of a valve body to two sides along the first sliding rail groove and the second sliding rail groove in a sliding way, and are closed from two sides to the middle part in a sliding way. In the prior art, the measured air quantity and the actual air quantity of the butterfly valve are consistent only when the air door is fully opened, the error is larger and larger along with the change of the opening angle of the air door, and the smaller the opening angle is, the larger the error value is, but the wind direction of the butterfly valve is always in the middle of an air pipe no matter how much the air door is opened, and the measuring device is generally in the middle, so that the measured air quantity and the actual air quantity value can be ensured to keep synchronously changed, thereby avoiding the error between the measured value and the actual value.
Specifically, referring to fig. 2 and 5, each set of transmission mechanisms 4 includes a gear 41, a rack 42, and a driving motor 43;
the driving motor 43 is fixed on the valve body 2;
the gear 41 is in power connection with the output end of the driving motor 43;
the racks 42 are two groups, the two groups of racks 42 are respectively positioned at two sides of the gear 41 and are respectively in synchronous meshing transmission with the gear 41, and each group of racks 42 can slide on a guide rod 23 fixed on the valve body 2 and is hinged with the second end of the first air door 31 or the second air door 32;
the two sets of gears 41 are connected with transmission power through a shaft 5.
The power of the driving motor is selected according to the actual application scene, and the matching parameters of the gear and the rack are selected according to the use condition. The rack is far away from the tooth profile side and is sleeved on the guide rod through the connecting ring, so that the rack can move up and down along the guide rod under the driving of the gear, and then the air door is driven to slide from one end of the sliding rail to the other end, and the opening and closing of the air door are realized.
Advantageously, the driving motor 43 is fixed to the valve body 2 by means of a fixed plate, between which a reduction mechanism is mounted with the gear 41. The speed reducing mechanism adopts the existing speed reducing mechanism to realize the speed reduction and torque increase of the output rotating speed of the motor and drive the air door to open or close.
In the above embodiment, both sides of the first ends of the first damper 31 and the second damper 32 have the sliders that are fitted to the first slide rail groove 21 and the second slide rail groove 22. Therefore, the first air door and the second air door can be conveniently kept to move along the track of the sliding rail groove without derailing, and the speed block is operated.
Obviously, the above-mentioned cooperation structure is not limited to spout and slider cooperation, also can replace the slider gyro wheel, and gyro wheel and spout roll cooperation, spout edge tighten up, prevent that the gyro wheel from derailing.
More advantageously, the valve further comprises a PLC controller, wherein the PLC controller is electrically connected with the driving motor and is fixed on the outer side face of the valve body 2. The starting or closing time and the rotating speed of the driving motor can be controlled according to a program preset by the PLC.
The valve body can be powered by a battery pack, and can also be connected with a power supply to supply power for the driving motor and the PLC.
In the above embodiment, the second ends of the first damper 31 and the second damper 32 each have a shutter 33, which closes tightly when the first valve and the second valve are closed.
The working process of the ventilation valve provided by the application is shown in fig. 2-4, wherein the arrow direction in the figure represents the airflow direction, and specifically comprises the following steps: the driving motor is started, the driving motor drives the gear to rotate, the gear rotates to drive racks with two sides parallel to each other to move up and down, the rotating direction is converted into the up-and-down moving direction, the racks drive the second end of the air door to move up and down, and therefore the sliding block on the first end of the air door horizontally slides along the sliding rail. When the air door starts, the gear drives the rack to move up and down, the rack drives the second end of the air door to move from a position close to the gear to a position far away from the gear, and the sliding block on the first end of the air door is forced to move from the proximal end of the sliding rail groove to the distal end of the sliding rail groove until the air door is completely opened, as shown in fig. 4; when the air door is closed, the gear reversely rotates, the rack drives the second end of the air door to move from a position far away from the gear to a position close to the gear, and the distal end of the sliding block at the first end of the air door, which is provided with the sliding rail groove, is forced to move towards the proximal end until the air door is closed, and the air door is closed, as shown in the figure 3. The first group of gears are connected with the second group of gears through shafts and synchronously rotate, and other parts have the same running path strength as the first group of parts.
Therefore, the ventilation valve provided by the application changes the running track of the air door in the air pipe, so that the running track of the air flow is changed, the air door is opened from the middle to two sides when being opened, and the change of the air quantity in the middle of the air pipe is basically stable, so that the measured air quantity and the actual air quantity value can be ensured to keep synchronous change; when the air flow measuring device is closed from two sides to the middle, the stability of the air flow measured in the middle can still be ensured in the closing process or in a small angle, and the synchronous change of the measured air quantity and the actual air quantity value is ensured. Thereby improving the accuracy of the air volume measurement.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.
While embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.
Claims (3)
1. A vent valve, comprising:
the valve comprises a valve body (2), wherein the valve body (2) is of a frame structure and is fixed in an air pipe (1);
the transmission mechanisms (4) are two groups and are respectively connected to two opposite sides of the valve body (2);
the sliding rail comprises two groups which are arranged in parallel, wherein each group comprises a first sliding rail groove (21) and a second sliding rail groove (22); the first sliding rail groove (21) and the second sliding rail groove (22) are arranged on two opposite ends of the valve body (2) in parallel and perpendicular to the mounting surface of the transmission mechanism (4);
the air door (3), the air door (3) comprises a first air door (31) and a second air door (32), the two side surfaces of the first end of the first air door (31) are both connected with the two groups of the first sliding rail grooves (21) in a sliding way, and the two sides of the second end are both connected with the two groups of the transmission mechanisms (4) correspondingly; the two sides of the first end of the second air door (32) are respectively and slidably connected to the two groups of second sliding rail grooves (22), and the two sides of the other end of the second air door are correspondingly connected with the two groups of transmission mechanisms (4); the first air door (31) and the second air door (32) are respectively opened by sliding from the middle part of the valve body (2) to two sides along the first sliding rail groove (21) and the second sliding rail groove (22), and are closed by sliding from two sides to the middle part;
wherein each group of transmission mechanisms (4) comprises a gear (41), a rack (42) and a driving motor (43);
the driving motor (43) is fixed on the valve body (2);
the gear (41) is in power connection with the output end of the driving motor (43);
the racks (42) are two groups, the two groups of racks (42) are respectively positioned at two sides of the gear (41) and are respectively in synchronous meshing transmission with the gear (41), and each group of racks (42) can slide on a guide rod (23) fixed on the valve body (2) and is hinged with the second end of the first air door (31) or the second air door (32);
the two groups of gears (41) are connected with transmission power through a shaft (5);
the driving motor (43) is fixed on the valve body (2) through a fixed plate, and a speed reducing mechanism is arranged between the driving motor and the gear (41);
both sides of the first end of the first air door (31) and the second air door (32) are respectively provided with a sliding block matched with the first sliding rail groove (21) and the second sliding rail groove (22).
2. The vent valve of claim 1, further comprising a PLC controller electrically connected to the drive motor and secured to the outer side of the valve body (2).
3. A ventilation valve according to any of claims 1 or 2, characterized in that the second ends of the first damper (31) and the second damper (32) each have a baffle (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910760592.XA CN110440011B (en) | 2019-08-16 | 2019-08-16 | Ventilation valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910760592.XA CN110440011B (en) | 2019-08-16 | 2019-08-16 | Ventilation valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110440011A CN110440011A (en) | 2019-11-12 |
| CN110440011B true CN110440011B (en) | 2023-09-08 |
Family
ID=68436182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910760592.XA Active CN110440011B (en) | 2019-08-16 | 2019-08-16 | Ventilation valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110440011B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486581B (en) * | 2020-03-30 | 2021-06-01 | 珠海格力电器股份有限公司 | Air valve assembly, air conditioning equipment and corresponding control method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890266A (en) * | 2015-01-26 | 2016-08-24 | 苏州三星电子有限公司 | Air-cooled refrigerator and air door mechanism thereof |
| KR20180015462A (en) * | 2016-08-03 | 2018-02-13 | 동아대학교 산학협력단 | Two way slide gate valve |
| CN207740479U (en) * | 2017-12-19 | 2018-08-17 | 广州市芳村建筑工程有限公司 | A kind of volume damper |
| CN109578595A (en) * | 2019-01-24 | 2019-04-05 | 中汽研（天津）汽车工程研究院有限公司 | A kind of electrodynamic type vehicle body relief valve |
| CN209041724U (en) * | 2018-11-02 | 2019-06-28 | 温州德力克阀门制造有限公司 | Pneumatic wafer knife gate valve |
| CN210461712U (en) * | 2019-08-16 | 2020-05-05 | 上海适科暖通机电设备科技有限公司 | Ventilation valve |
-
2019
- 2019-08-16 CN CN201910760592.XA patent/CN110440011B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890266A (en) * | 2015-01-26 | 2016-08-24 | 苏州三星电子有限公司 | Air-cooled refrigerator and air door mechanism thereof |
| KR20180015462A (en) * | 2016-08-03 | 2018-02-13 | 동아대학교 산학협력단 | Two way slide gate valve |
| CN207740479U (en) * | 2017-12-19 | 2018-08-17 | 广州市芳村建筑工程有限公司 | A kind of volume damper |
| CN209041724U (en) * | 2018-11-02 | 2019-06-28 | 温州德力克阀门制造有限公司 | Pneumatic wafer knife gate valve |
| CN109578595A (en) * | 2019-01-24 | 2019-04-05 | 中汽研（天津）汽车工程研究院有限公司 | A kind of electrodynamic type vehicle body relief valve |
| CN210461712U (en) * | 2019-08-16 | 2020-05-05 | 上海适科暖通机电设备科技有限公司 | Ventilation valve |
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| CN110440011A (en) | 2019-11-12 |
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