CN212511736U - Self-closing shutter air port device - Google Patents
Self-closing shutter air port device Download PDFInfo
- Publication number
- CN212511736U CN212511736U CN202021449657.3U CN202021449657U CN212511736U CN 212511736 U CN212511736 U CN 212511736U CN 202021449657 U CN202021449657 U CN 202021449657U CN 212511736 U CN212511736 U CN 212511736U
- Authority
- CN
- China
- Prior art keywords
- blade
- blades
- counterweight device
- pull rope
- frame
- 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.)
- Active
Links
Images
Abstract
The utility model relates to a self-closing shutter air port device, in particular to an air outlet capable of one-way stopping, aiming at overcoming the problems that the air ports at all parts of the existing fresh air system do not have the function of one-way ventilation stopping and stopping protection and are easy to generate noise, comprising an air port frame, a blade group and a counterweight device; the tuyere frame is in a square barrel shape which is communicated up and down; the blade group comprises a plurality of blades, a plurality of blade shafts and a blade linkage rod; the blade shafts are transversely and parallelly arranged in the air port frame, and two ends of each blade shaft are rotationally matched with the side wall of the air port frame; each blade shaft is provided with one blade, and the blade shaft is positioned at the gravity center of the blade; the blade linkage rod comprises a support rod and a connecting rod, one end of the support rod is hinged with the blades one to one, and the other end of the support rod is fixed with the connecting rod, so that all the blades are linked in the same posture under the driving of the blade linkage rod; the counterweight device is positioned outside the air port frame, and one end of the counterweight device is fixed with one end of the blade shaft at the edge.
Description
Technical Field
The utility model relates to an air exit device, concretely relates to air exit that can one-wayly end contrary.
Background
The existing air-conditioning exhaust system or fresh air supply system can enable each room ventilation pipeline to be communicated with each other, the ventilation openings in the rooms are opened, the pressure inside and outside the rooms can change due to the activity of personnel, and each air opening does not have the function of one-way ventilation and non-return protection, so that the exhaust system or the air supply system can generate chaotic flow and generate noise.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the problem that current new trend system wind gap everywhere does not possess the function of one-way ventilation end-to-end protection and produce the noise easily, provides a self-closing formula tripe wind gap device.
The utility model relates to a self-closing shutter air port device, which comprises an air port frame, a blade group and a counterweight device;
the tuyere frame is in a square barrel shape which is communicated up and down;
the blade group comprises a plurality of blades, a plurality of blade shafts and a blade linkage rod, and the number of the blades is equal to that of the blade shafts;
the blade shafts are transversely and parallelly arranged in the air port frame, and two ends of each blade shaft are rotationally matched with the side wall of the air port frame;
each blade shaft is provided with one blade, and the blade shaft is positioned at the gravity center of the blade;
the blade linkage rods comprise supporting rods and a connecting rod, the number of the supporting rods is equal to that of the blades, one end of each supporting rod is hinged with the corresponding blade in a one-to-one mode, and the other end of each supporting rod is fixed with the corresponding connecting rod, so that all the blades are driven by the blade linkage rods to be linked in the same posture; when the blades are completely overlapped, the air flow channel of the tuyere frame is cut off;
the counterweight device is positioned outside the tuyere frame, and one end of the counterweight device is fixed with one end of the blade shaft at the edge, so that when the counterweight device falls to the maximum stroke due to self weight, the blades are just sealed and overlapped.
The utility model has the advantages that: the utility model provides a current ventilation system end do not possess the problem of ventilation isolation, can satisfy malleation and the one-way circulation in negative pressure room wind gap, reduce the air current disorder and the noise reduction that produce. In addition, in a room without air supply and air conditioning, the air port can be closed, and the purpose of saving the energy of the fan air conditioner is achieved.
Drawings
Fig. 1 is a schematic sectional view of the self-closing type louver opening device according to the present invention when the blades are closed;
FIG. 2 is a schematic sectional view taken along the line A in FIG. 1;
FIG. 3 is a schematic sectional view of the self-closing type louvered tuyere device according to the present invention;
FIG. 4 is a schematic sectional view of the structure of FIG. 3 along the direction B;
fig. 5 is a schematic structural view of a blade linkage rod in the self-closing type louver opening device of the present invention.
Detailed Description
In a first specific embodiment, a self-closing louver device of this embodiment, as shown in fig. 1 to 4, includes a tuyere frame 1, a blade group 2, and a counterweight device 3;
the tuyere frame 1 is in a square barrel shape which is communicated up and down;
the blade group 2 comprises a plurality of blades 2-1, a plurality of blade shafts 2-2 and a blade linkage rod 2-3, and the number of the blades 2-1 is equal to that of the blade shafts 2-2;
the blade shafts 2-2 are transversely and parallelly arranged in the air port frame 1, and two ends of each blade shaft 2-2 are in rotating fit with the side wall of the air port frame 1;
each blade shaft 2-2 is provided with one blade 2-1, and the blade shaft 2-2 is positioned at the gravity center of the blade 2-1;
the blade linkage rods 2-3 comprise supporting rods 6 and connecting rods 7, the number of the supporting rods is equal to that of the blades 2-1, one end of each supporting rod 6 is hinged with the corresponding blade 2-1 one by one, and the other end of each supporting rod 6 is fixed with the corresponding connecting rod 7, so that all the blades 2-1 are driven by the blade linkage rods 2-3 to be linked in the same posture; when the blades 2-1 are completely overlapped, the air flow channel of the tuyere frame 1 is cut off;
the counterweight device 3 is positioned outside the tuyere frame 1, and one end of the counterweight device 3 is fixed with one end of the blade shaft 2-2 at the edge, so that when the counterweight device 3 falls to the maximum stroke due to self weight, the blade 2-1 is just sealed and superposed.
Specifically, as shown in fig. 1, when the device is installed, the mounting base above the tuyere frame 1 is fixed on the exhaust or supply air outlet to replace other tuyere grating diffusion covers and the like.
The blade shaft 2-2 is located near or in the middle (at the center of gravity) of the blade 2-1, balancing the weight on both sides of the blade 2-1, and the counterweight 3 is able to counteract the downward weight of the blade (which should also include the weight of the blade linkage 2-3). Moreover, the blade shaft 2-2 balances the weight of the two sides of the blade shaft 2-2, so that the blade 2-1 can be opened by wind power even when the wind power is small.
As shown in figures 1, 3 and 5, the blade linkage rods 2-3 have the function of mutual connection and linkage among the blades 2-1, so that the blades 2-1 integrally and uniformly move, the counterweight device 3 is connected with the blade shafts 2-2 and synchronously moves with the blades 2-1, and the blade linkage rods 2-3 are connected with all the blades 2-1 to form a whole, so that the blades uniformly move when being opened, noise abnormal sound cannot occur, and the problem of noise generated by the air port shutter is solved.
When the device is horizontally installed, the counterweight device 3 utilizes the weight of the counterweight device to ensure that the blades 2-1 can be subjected to a torsional force, so that all the blades 2-1 can be in a closed state under the action of gravity.
As shown in fig. 1 and 3, in order to ensure the sealing of all the blades 2-1 when closed, soft sealing strips 8 may be fixed at both ends of the blade group 2 and on the inner wall of the tuyere frame 1.
Best embodiment, this embodiment is a further description of the first embodiment, and in this embodiment, as shown in fig. 1 to 4, the present embodiment further includes a limiting device 4;
the limiting device 4 comprises a pull rope rotary sheet 4-1, a damping rotating shaft 4-2 and a pair of pull ropes 4-3;
the pull rope rotary sheet 4-1 is in running fit with the outer wall of the tuyere frame 1 through the damping rotating shaft 4-2, and the pull rope rotary sheet 4-1 is positioned at one side of the counterweight device 3;
two ends of the pull rope rotary sheet 4-1 are respectively fixed with a pull rope 4-3, so that the pull rope rotary sheet 4-1 can rotate under the pulling of one pull rope 4-3 and reversely rotate under the pulling of the other pull rope 4-3;
the counterweight device 3 is L-shaped, and is positioned on a tilting path of the counterweight device 3 after the pull rope rotary vane 4-1 rotates for a certain angle, and the opening of the blade 2-1 is prevented by preventing the counterweight device 3 from tilting.
Specifically, the pull-cord rotary vane 4-1 can close the shutter when being pulled down, and can lock the counterweight device 3 to rotate upwards by interacting with the counterweight device 3, so that the blade 2-1 cannot be opened.
The damping rotating shaft 4-2 can prevent the pull rope rotary sheet 4-1 from being too loose.
The pull rope 4-3 can be pulled manually to drive the pull rope rotary sheet 4-1 to rotate.
Meanwhile, as shown in fig. 2 and 3, a triangular prism 9 may be fixed on the outer wall of the tuyere frame 1 to prevent the stay cord rotary piece 4-1 from over-rotating and play a role in limiting.
The blade shaft 2-2 at the edge is made to penetrate through the outer wall of the tuyere frame 1 and fixed with one end of the counterweight device 3, and as the counterweight device 3 is L-shaped, the counterweight device 3 can protrude out of the outer wall of the tuyere frame 1 when tilting, namely, the counterweight device is crossed with the rotating plane of the stay cord rotary piece 4-1, so that the counterweight device can be stopped by the stay cord rotary piece 4-1 arranged on one side, and when the stay cord rotary piece 4-1 stops the counterweight device 3, the counterweight device 3 is positioned at the maximum stroke of the counterweight device due to the self weight, and at the moment, the blade 2-1 is completely closed.
When the counterweight device 3 is tilted in advance (the blade 2-1 is opened), the counterweight device can be pushed down by the pull rope rotary sheet 4-1 so as to close the blade 2-1, and the pull rope rotary sheet 4-1 can block an upturned path so as to lock the opening action of the blade 2-1. The air outlet can be closed in the air supply process, and the air outlet locking device has the function of locking the air outlet.
As shown in fig. 2, the pull-cord spinning plate 4-1 locks the upturned (tilted) route of the counterweight device 3, and locks the opening of the blade 2-1.
As shown in fig. 3, the louver is open on the side. The pull-cord rotary vane 4-1 rotates to another angle without shielding the counterweight device 3. When wind power comes, the blade 2-1 is pressed to be opened downwards to drive the counterweight device 3 to ascend in a linkage mode, and the counterweight device 3 and the blade 2-1 move synchronously.
Best embodiment, this embodiment is a further description of the first embodiment, and in this embodiment, as shown in fig. 1 to 4, the fairing 5 is further included;
the fairing 5 is in a telescopic tubular shape with an adjustable angle, and one end of the fairing 5 is communicated with the air outlet of the air outlet frame 1.
Specifically, radome fairing 5 is rotatable radome fairing (gooseneck structure), makes the air injection to personnel's demand side to can dismantle, can change the air-out direction through adjusting pivoted angle, have and gather wind-force, the orientation, the air flow effect with higher speed.
The cowling 5 can satisfy various demands of indoor personnel in various places such as opening and closing of the direction of air supply. In addition, the wind power can directionally blow the activity area of a personnel field or contact articles, so that the air flow speed is accelerated, and the surface humidity of the objects is reduced, thereby destroying the survival conditions of viruses and bacteria and achieving the inhibiting effect.
In this embodiment, the caliber of one end of the fairing 5 is larger than that of the other end, and the end with the large caliber is communicated with the air outlet of the air outlet frame 1.
In particular, the funnel-shaped fairing 5 causes the air to flow out of the smaller outlet, increasing the air flow rate.
In the present embodiment, as shown in fig. 1 to 4, the cross section of the blade 2-1 is an airfoil section.
Specifically, the blade 2-1 adopts an airfoil-shaped section to increase the lift force of the blade 2-1, the blade shaft 2-2 is close to the middle part of the blade 2-1, the weight of the two sides of the blade 2-1 is balanced, the lift force is increased, and the lift force can be ensured to be generated in wind power hours to open the blade 2-1.
Claims (5)
1. A self-closing shutter air port device is characterized by comprising an air port frame (1), a blade group (2) and a counterweight device (3);
the tuyere frame (1) is in a square barrel shape which is communicated up and down;
the blade group (2) comprises a plurality of blades (2-1), a plurality of blade shafts (2-2) and a blade linkage rod (2-3), and the number of the blades (2-1) is equal to that of the blade shafts (2-2);
the blade shafts (2-2) are transversely and parallelly arranged in the tuyere frame (1), and two ends of each blade shaft (2-2) are in rotating fit with the side wall of the tuyere frame (1);
each blade shaft (2-2) is provided with one blade (2-1), and the blade shafts (2-2) are positioned at the gravity center of the blades (2-1);
the blade linkage rods (2-3) comprise supporting rods (6) and a connecting rod (7), the number of the supporting rods is equal to that of the blades (2-1), one end of each supporting rod (6) is hinged with the corresponding blade (2-1) in a one-to-one mode, the other end of each supporting rod (6) is fixed with the corresponding connecting rod (7), and all the blades (2-1) are driven by the blade linkage rods (2-3) to be linked in the same posture; and when the blades (2-1) are all overlapped, the air flow passage of the tuyere frame (1) is cut off;
the counterweight device (3) is positioned outside the tuyere frame (1), and one end of the counterweight device (3) is fixed with one end of the blade shaft (2-2) at the edge, so that when the counterweight device (3) falls to the maximum stroke due to self weight, the blades (2-1) are just sealed and overlapped.
2. A self-closing louvre apparatus as claimed in claim 1, further comprising a stop means (4);
the limiting device (4) comprises a pull rope rotary sheet (4-1), a damping rotating shaft (4-2) and a pair of pull ropes (4-3);
the pull rope rotary sheet (4-1) is in rotary fit with the outer wall of the tuyere frame (1) through a damping rotating shaft (4-2), and the pull rope rotary sheet (4-1) is positioned on one side of the counterweight device (3);
two ends of the pull rope rotary sheet (4-1) are respectively fixed with a pull rope (4-3), so that the pull rope rotary sheet (4-1) can rotate under the pulling of one pull rope (4-3) and reversely rotate under the pulling of the other pull rope (4-3);
the counterweight device (3) is L-shaped, and is positioned on a tilting path of the counterweight device (3) after the pull rope rotary vane (4-1) rotates for a certain angle, and the blade (2-1) is prevented from being opened by preventing the counterweight device (3) from tilting.
3. A self-closing louvre apparatus as claimed in claim 1 or 2, further comprising a fairing (5);
the fairing (5) is in a telescopic tubular shape with an adjustable angle, and one end of the fairing (5) is communicated with the air outlet of the air port frame (1).
4. A self-closing louvre device as claimed in claim 3, wherein the fairing (5) has a larger aperture at one end than at the other, and the larger aperture end communicates with the outlet of the tuyere frame (1).
5. Self-closing louvre device according to claim 1, 2 or 4, wherein said blades (2-1) have a cross-section of the airfoil type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021449657.3U CN212511736U (en) | 2020-07-21 | 2020-07-21 | Self-closing shutter air port device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021449657.3U CN212511736U (en) | 2020-07-21 | 2020-07-21 | Self-closing shutter air port device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212511736U true CN212511736U (en) | 2021-02-09 |
Family
ID=74442246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021449657.3U Active CN212511736U (en) | 2020-07-21 | 2020-07-21 | Self-closing shutter air port device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212511736U (en) |
-
2020
- 2020-07-21 CN CN202021449657.3U patent/CN212511736U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20080233861A1 (en) | Vertical Door Fan Shutter | |
| US8414368B2 (en) | Fan damper | |
| US4445426A (en) | Slanted housing fan enclosure | |
| CN212511736U (en) | Self-closing shutter air port device | |
| CN210395758U (en) | Outdoor decoration is with curtain wall construction that can ventilate | |
| CN201723467U (en) | Negative-pressure fan with good dust-exhausting property | |
| CN213088776U (en) | Novel self-closing efficient butterfly air valve | |
| CN105020833A (en) | Workshop ventilation device | |
| CN206611998U (en) | Samming ventilation hen house | |
| CN214469105U (en) | Indoor air guide device | |
| CN210484194U (en) | Special butterfly door for air outlet of negative pressure fan | |
| CN208473637U (en) | A kind of ceiling vent window | |
| CN206110411U (en) | Unit curtain mechanical draft ware system | |
| CN115013882A (en) | Self-drooping louvered one-way air port of energy-saving air conditioning system | |
| CN210218810U (en) | Air pipe check valve | |
| CN201723465U (en) | Negative-pressure air fan with favorable daylighting performance | |
| WO2017140315A1 (en) | Wall fan construction including diffuser unit, suspension for motor and damper | |
| RU106286U1 (en) | POWER CONTAINER (OPTIONS) | |
| CN216868722U (en) | Intelligent door and window of embedded distributing type new trend system | |
| CN220016205U (en) | Residual pressure valve with multiple-blade adjustment | |
| CN216204013U (en) | Intelligent glass curtain wall ventilation device | |
| CN202382376U (en) | Wind guide tube cooperated and connected with ventilation air-exchange apparatus | |
| CN212805949U (en) | Natural ventilation device for high-rise building curtain wall | |
| CN214332952U (en) | Ventilation system for testing load equipment | |
| SK1792021U1 (en) | Adjustable non-return damper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |