CN216157942U - Variable air volume module fan - Google Patents
Variable air volume module fan Download PDFInfo
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- CN216157942U CN216157942U CN202122267931.6U CN202122267931U CN216157942U CN 216157942 U CN216157942 U CN 216157942U CN 202122267931 U CN202122267931 U CN 202122267931U CN 216157942 U CN216157942 U CN 216157942U
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Abstract
The utility model discloses a variable air volume module fan in the technical field of air-conditioning fans, which comprises a fan and an air delivery pipe, wherein the output end of the fan is fixedly connected with the air delivery pipe, the right end of the air delivery pipe is fixedly connected with an air volume variable mechanism, the right end of the air volume variable mechanism is fixedly connected with a flow guide mechanism, and the right end of the flow guide mechanism is fixedly connected with a buffer mechanism.
Description
Technical Field
The utility model relates to the technical field of air-conditioning fans, in particular to a variable air volume module fan.
Background
The air-conditioning fan is a novel, energy-saving, high-efficiency, variable-rotating-speed and low-noise centrifugal fan, has compact structure, convenient installation, small volume, large air quantity, high pressure and small vibration, can be matched with a three-phase voltage regulator or a frequency converter to realize stepless speed regulation, is particularly suitable for ventilation places with strict noise requirement and large air quantity change range, and is an ideal matched product in the industries of air conditioning, purification and the like.
Most of existing air-conditioning fans control air volume change through frequency conversion, namely, the rotating speed of fan blades is controlled through controlling the rotating speed of a motor in the fan, so that the air volume is controlled, the service life of the fan is not facilitated, and the air volume change response is not positive, so that the development of a variable air volume module fan is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an air quantity variable module fan, which can reduce or increase the effective ventilation area through the matching use of a fan, an air delivery pipe and an air quantity variable mechanism, thereby effectively reducing or increasing the air quantity.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a variable air volume module fan, includes fan and defeated tuber pipe, fan output fixedly connected with defeated tuber pipe, defeated tuber pipe right-hand member fixedly connected with variable air volume mechanism, variable air volume mechanism right-hand member fixedly connected with water conservancy diversion mechanism, water conservancy diversion mechanism right-hand member fixedly connected with buffer gear.
Preferably, variable air volume mechanism is installation pipe an, through-hole, connecting hole, fan-shaped baffle, connecting rod, fan-shaped commentaries on classics board, arc gear board, servo motor, bull stick and gear, defeated tuber pipe right-hand member welds with installation pipe an left end, installation pipe an left end is equipped with the through-hole, defeated tuber pipe is linked together with the through-hole, the inside intermediate position symmetrical welding of installation pipe an has fan-shaped baffle, fan-shaped baffle quantity is two, and the joint rod has jointly to two fan-shaped baffle intermediate positions, the connecting rod pole body rotates and is connected with fan-shaped commentaries on classics board, fan-shaped commentaries on classics board is located between two fan-shaped baffles, the welding of fan-shaped commentaries on classics board outer wall has arc gear board.
Preferably, installation pipe a top intermediate position is equipped with the connecting hole, installation pipe a top left side fixedly connected with servo motor, servo motor output fixedly connected with bull stick, bull stick right-hand member fixedly connected with gear, gear bottom run through the connecting hole and with the meshing of arc gear board.
Preferably, the top of the installation pipe a is fixedly connected with a protection box, the servo motor, the rotating rod and the gear are all located inside the protection box, and the bottom of the installation pipe a is fixedly connected with a base.
Preferably, the guide mechanism is a guide pipe and an inclined guide plate, the right end of the installation pipe a is welded with the left end of the guide pipe, and the inclined guide plate is welded on the inner wall of the guide pipe.
Preferably, the section of the flow guide pipe is conical, and the pipe diameter of the right end of the flow guide pipe is two thirds of the pipe diameter of the left end.
Preferably, buffer gear is installation pipe b, support, spacing pipe, gag lever post, connecting plate, spring and gentle drift, and the honeycomb duct right-hand member welds with installation pipe b left end, installation pipe b inner wall is circular array welding and has the support, the common welding of support inner has spacing pipe, spacing intraduct runs through there is the gag lever post, the welding of gag lever post left end has the connecting plate, connecting plate right side wall fixedly connected with spring, the gag lever post body runs through the spring, the laminating of spring left end and support left side wall, the connecting plate left side wall bonds and has the buffer head.
Preferably, the buffer head is hemispherical, and the buffer head is made of rubber.
Compared with the prior art, the utility model has the beneficial effects that:
1. the fan, the air delivery pipe and the air volume changing mechanism are matched for use, so that a user can open the servo motor when the air volume of the fan needs to be changed, the gear can be driven to rotate in the forward and reverse directions through the rotating rod under the action of the servo motor, the arc-shaped gear plate meshed with the gear is driven to rotate in the forward and reverse directions, and the fan-shaped rotating plate is driven to rotate in the forward and reverse directions, so that the fan-shaped rotating plate rotates out or rotates in between the two fan-shaped baffles, the effective ventilation area in the installation pipe a can be reduced or increased, and the air volume is effectively reduced or increased;
2. the utility model uses the matching of the diversion mechanism and the buffer mechanism, so that the air quantity can be buffered by the buffer mechanism no matter how the air quantity changes, thereby effectively reducing the air speed, effectively reducing the noise and impact force generated by the over-fast air speed, having better using effect and being suitable for popularization and use.
Drawings
FIG. 1 is a partial three-dimensional structural cross-sectional view of the present invention;
FIG. 2 is a front cross-sectional view of the structure of the present invention;
FIG. 3 is a side cross-sectional view of the structure of the present invention;
FIG. 4 is an enlarged view taken at A in FIG. 2;
fig. 5 is an enlarged view of fig. 2 at B.
In the figure: 1. a fan; 2. a wind delivery pipe; 3. installing a pipe a; 3-1, through holes; 3-2, connecting holes; 4. a fan-shaped baffle plate; 5. a connecting rod; 6. a sector rotating plate; 7. an arc-shaped gear plate; 8. a servo motor; 8-1, rotating a rod; 9. a gear; 10. a protective box; 11. a base; 12. a flow guide pipe; 12-1, inclined baffles; 13. mounting a tube b; 14. a support; 15. a limiting pipe; 16. a limiting rod; 17. a connecting plate; 18. a spring; 19. and a buffer head.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides the following technical scheme: referring to fig. 1-5, a variable air volume module fan comprises a fan 1 and an air delivery pipe 2, wherein the output end of the fan 1 is fixedly connected with the air delivery pipe 2, the right end of the air delivery pipe 2 is fixedly connected with an air volume variable mechanism, the right end of the air volume variable mechanism is fixedly connected with a flow guide mechanism, and the right end of the flow guide mechanism is fixedly connected with a buffer mechanism;
further, the air volume changing mechanism comprises an installation pipe a3, a through hole 3-1, a connecting hole 3-2, fan-shaped baffles 4, a connecting rod 5, a fan-shaped rotating plate 6, an arc-shaped gear plate 7, a servo motor 8, a rotating rod 8-1 and a gear 9, the right end of the air conveying pipe 3 is welded with the left end of an installation pipe a3, the left end of the installation pipe a3 is provided with the through hole 3-1, the air conveying pipe 2 is communicated with the through hole 3-1, the fan-shaped baffles 4 are symmetrically welded at the middle position inside the installation pipe a3, the number of the fan-shaped baffles 4 is two, the connecting rod 5 is welded at the middle position of the two fan-shaped baffles 4 together, the rod body of the connecting rod 5 is rotatably connected with the fan-shaped rotating plate 6, the fan-shaped rotating plate 6 is positioned between the two fan-shaped baffles 4, the arc-shaped gear plate 7 is welded at the outer wall of the fan-shaped rotating plate 6, the middle position of the top of the installation pipe a3 is provided with the connecting hole 3-2, the left side of the top of the installation pipe a3 is fixedly connected with a servo motor 8, the output end of the servo motor 8 is fixedly connected with a rotating rod 8-1, the right end of the rotating rod 8-1 is fixedly connected with a gear 9, the bottom of the gear 9 penetrates through a connecting hole 3-2 and is meshed with an arc-shaped gear plate 7, so that when a user needs to change the air quantity of the fan 1, the servo motor 8 can be opened, under the action of the servo motor 8, the gear 9 can be driven by the rotating rod 8-1 to rotate in the forward and reverse directions, the arc-shaped gear plate 7 meshed with the gear 9 is driven to rotate in the forward and reverse directions, the sector-shaped rotating plate 6 is rotated out or rotated in between the two sector-shaped baffles 4, the effective ventilation area in the installation pipe a3 can be reduced or increased, the air quantity is effectively reduced or increased, compared with the prior art, the utility model does not need to carry out frequency conversion control on the motor in the fan 1, the service life of the fan 1 is prolonged, the air volume change is controlled directly by changing the effective ventilation area, so that the air volume change response is positive, the protective box 10 is fixedly connected to the top of the mounting pipe a3, the servo motor 8, the rotating rod 8-1 and the gear 9 are all positioned in the protective box 10, the base 11 is fixedly connected to the bottom of the mounting pipe a3, effective protection such as rain prevention, dust prevention and the like can be performed on the servo motor 8, the rotating rod 8-1 and the gear 9, the stability of the fan in use is improved, and the service life of the fan is prolonged;
furthermore, the diversion mechanism is a diversion pipe 12 and an inclined diversion plate 12-1, the right end of the installation pipe a3 is welded with the left end of the diversion pipe 12, the inclined diversion plate 12-1 is welded on the inner wall of the diversion pipe 12, the section of the diversion pipe 12 is conical, and the pipe diameter of the right end of the diversion pipe 12 is two thirds of the pipe diameter of the left end, so the diversion pipe 12 and the inclined diversion plate 12-1 can play a role in diversion of the air volume output by the installation pipe a 3;
further, the buffer mechanism is an installation pipe b13, a bracket 14, a limit pipe 15, a limit rod 16, a connecting plate 17, a spring 18 and a buffer punch 19, the right end of the draft tube 12 is welded with the left end of the installation pipe b13, so under the flow guiding action of the draft tube 12 and the inclined draft plate 12-1, the air output by the installation pipe a3 is concentrated to enter the installation pipe b13, the bracket 14 is welded on the inner wall of the installation pipe b13 in a circular array, the limit pipe 15 is welded together at the inner end of the bracket 14, the limit rod 16 penetrates through the limit pipe 15, the connecting plate 17 is welded at the left end of the limit rod 16, the spring 18 is fixedly connected to the right side wall of the connecting plate 17, the rod body of the limit rod 16 penetrates through the spring 18, the left end of the spring 18 is attached to the left side wall of the bracket 14, the buffer head 19 is bonded to the left side wall of the connecting plate 17, the buffer head 19 is hemispherical, the buffer head 19 is made of rubber, so that when the air is concentrated to enter the installation pipe b13, therefore, the buffer head 19 is driven to move, when the buffer head 19 moves, the connecting plate 17 is driven to move, so that the limiting rod 16 moves inside the limiting pipe 15, and under the limiting action of the limiting rod 16 and the limiting pipe 15, the connecting plate 17 and the buffer head 19 cannot shake violently and only can move stably, so that when the buffer head 19 drives the connecting plate 17 to move, the spring 18 is compressed to enable the spring 18 to generate elastic deformation to generate elastic force, so that the impact force of air quantity entering the inside of the mounting pipe b13 is buffered, the air speed is effectively reduced, the noise and the impact force generated by the excessively fast air speed are effectively reduced, the air speed control device is good in use effect and suitable for popularization and use.
The working principle is as follows: when a user needs to change the air volume of the fan 1, the servo motor 8 can be opened, under the action of the servo motor 8, the rotating rod 8-1 can drive the gear 9 to rotate in the forward and reverse directions, so that the arc-shaped gear plate 7 meshed with the gear 9 is driven to rotate in the forward and reverse directions, and the fan-shaped rotating plate 6 is driven to rotate in the forward and reverse directions, so that the fan-shaped rotating plate 6 rotates out or rotates in between the two fan-shaped baffles 4, the effective ventilation area in the installation pipe a3 can be reduced or increased, and the air volume is effectively reduced or increased;
under the guiding action of the draft tube 12 and the inclined guide plate 12-1, the air output through the installation tube a3 intensively enters the installation tube b13, when the air intensively enters the installation tube b13, the air impacts the surface of the buffer head 19 to drive the buffer head 19 to move, when the buffer head 19 moves, the connecting plate 17 is driven to move, so that the limiting rod 16 moves in the limiting tube 15, and under the limiting action of the limiting rod 16 and the limiting tube 15, the connecting plate 17 and the buffer head 19 cannot shake violently and only can move stably, so that when the buffer head 19 drives the connecting plate 17 to move, the spring 18 is compressed to enable the spring 18 to generate elastic deformation to generate elastic force, so that the impact force of the air entering the installation tube b13 is buffered, the air speed is effectively reduced, the noise and the impact force generated by the over-fast air speed are effectively reduced, and the use effect of the utility model is better, is suitable for popularization and application.
While the utility model has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (8)
1. The utility model provides a variable air volume module fan, includes fan (1) and defeated tuber pipe (2), fan (1) output end fixedly connected with defeated tuber pipe (2), its characterized in that: the air delivery pipe (2) is characterized in that an air volume changing mechanism is fixedly connected to the right end of the air delivery pipe, a flow guide mechanism is fixedly connected to the right end of the air volume changing mechanism, and a buffer mechanism is fixedly connected to the right end of the flow guide mechanism.
2. The variable air volume modular fan of claim 1, characterized in that: the variable air volume mechanism comprises an installation pipe a (3), through holes (3-1), connecting holes (3-2), fan-shaped baffles (4), connecting rods (5), fan-shaped rotating plates (6), arc gear plates (7), a servo motor (8), rotating rods (8-1) and gears (9), wherein the right end of the air delivery pipe (2) is welded with the left end of the installation pipe a (3), the left end of the installation pipe a (3) is provided with the through holes (3-1), the air delivery pipe (2) is communicated with the through holes (3-1), the fan-shaped baffles (4) are symmetrically welded at the middle position inside the installation pipe a (3), the number of the fan-shaped baffles (4) is two, the connecting rods (5) are welded at the middle positions of the two fan-shaped baffles (4) together, the rod body of the connecting rod (5) is rotatably connected with the fan-shaped rotating plates (6), and the fan-shaped rotating plates (6) are positioned between the two fan-shaped baffles (4), the outer wall of the fan-shaped rotating plate (6) is welded with an arc-shaped gear plate (7).
3. The variable air volume modular fan of claim 2, characterized in that: the installation pipe a (3) top intermediate position is equipped with connecting hole (3-2), installation pipe a (3) top left side fixedly connected with servo motor (8), servo motor (8) output fixedly connected with bull stick (8-1), bull stick (8-1) right-hand member fixedly connected with gear (9), gear (9) bottom run through connecting hole (3-2) and mesh mutually with arc gear board (7).
4. The variable air volume modular fan of claim 2, characterized in that: the mounting pipe a (3) top fixedly connected with protective housing (10), servo motor (8), bull stick (8-1), gear (9) all are located protective housing (10) inside, mounting pipe a (3) bottom fixedly connected with base (11).
5. The variable air volume modular fan of claim 1, characterized in that: the flow guide mechanism comprises a flow guide pipe (12) and an inclined flow guide plate (12-1), the right end of the installation pipe a (3) is welded with the left end of the flow guide pipe (12), and the inclined flow guide plate (12-1) is welded on the inner wall of the flow guide pipe (12).
6. The variable air volume modular fan of claim 5, wherein: the section of the draft tube (12) is conical, and the tube diameter of the right end of the draft tube (12) is two thirds of the tube diameter of the left end.
7. The variable air volume modular fan of claim 1, characterized in that: buffer gear is for installation pipe b (13), support (14), spacing pipe (15), gag lever post (16), connecting plate (17), spring (18) and gentle drift (19), and honeycomb duct (12) right-hand member welds with installation pipe b (13) left end mutually, installation pipe b (13) inner wall is circular array welding has support (14), support (14) inner common welding has spacing pipe (15), spacing pipe (15) inside has gag lever post (16) to run through, gag lever post (16) left end welding has connecting plate (17), connecting plate (17) right side wall fixedly connected with spring (18), gag lever post (16) pole body runs through spring (18), spring (18) left end and support (14) left side wall are laminated, connecting plate (17) left side wall bonds and has buffer head (19).
8. The variable air volume modular fan of claim 7, wherein: the buffer head (19) is hemispherical, and the buffer head (19) is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122267931.6U CN216157942U (en) | 2021-09-18 | 2021-09-18 | Variable air volume module fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122267931.6U CN216157942U (en) | 2021-09-18 | 2021-09-18 | Variable air volume module fan |
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| Publication Number | Publication Date |
|---|---|
| CN216157942U true CN216157942U (en) | 2022-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122267931.6U Active CN216157942U (en) | 2021-09-18 | 2021-09-18 | Variable air volume module fan |
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| CN (1) | CN216157942U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115968696A (en) * | 2023-03-21 | 2023-04-18 | 绵阳师范学院 | Greenhouse variable frequency heater |
-
2021
- 2021-09-18 CN CN202122267931.6U patent/CN216157942U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115968696A (en) * | 2023-03-21 | 2023-04-18 | 绵阳师范学院 | Greenhouse variable frequency heater |
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