CN216950943U - Centrifugal fan capable of adjusting air quantity of air inlet - Google Patents
Centrifugal fan capable of adjusting air quantity of air inlet Download PDFInfo
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- CN216950943U CN216950943U CN202220544047.4U CN202220544047U CN216950943U CN 216950943 U CN216950943 U CN 216950943U CN 202220544047 U CN202220544047 U CN 202220544047U CN 216950943 U CN216950943 U CN 216950943U
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- air inlet
- frame
- centrifugal fan
- choke plate
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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
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Abstract
The utility model discloses a centrifugal fan capable of adjusting air quantity of an air inlet, which comprises a supporting plate, wherein a rack is fixedly arranged on the surface of the upper end of the supporting plate, an installation rack is arranged at one end of the rack, and an air quantity control mechanism is arranged on the inner side surface of the installation rack. According to the centrifugal fan capable of adjusting the air quantity of the air inlet, the control mode is simple and convenient through the arranged air quantity control mechanism, a user can control the three layers of wind blocking plates to be folded or unfolded according to a set program in a remote control mode, so that the air inlet quantity of the air inlet of the centrifugal fan is controlled, the centrifugal fan can be conveniently and detachably mounted on the surface of the air inlet frame by matching with the mounting frame structure, and meanwhile, the vibration generated in the operation process of the device can be buffered by utilizing the rubber pad structure.
Description
Technical Field
The utility model relates to the technical field of centrifugal fan structures, in particular to a centrifugal fan capable of adjusting air quantity of an air inlet.
Background
The centrifugal fan is a device which can improve the gas pressure and discharge gas by depending on mechanical energy, the centrifugal fan is widely applied to ventilation and dust removal of factory workshops, coal mines and tunnels, cooling towers, vehicles and ships, air drying and storage of grains and the like, and the centrifugal fan is very widely applied and is visible everywhere; the existing centrifugal fan capable of adjusting the air quantity of the air inlet has certain defects when in use, the structure of the device capable of adjusting the air quantity of the air inlet is complex, the use steps are troublesome, and the assembly is complex to disassemble and assemble.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a centrifugal fan capable of adjusting air quantity of an air inlet, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a centrifugal fan capable of adjusting air quantity of an air inlet comprises a supporting plate, wherein a rack is fixedly arranged on the surface of the upper end of the supporting plate, an installation rack is arranged at one end of the rack, and an air quantity control mechanism is arranged on the inner side surface of the installation rack;
the air volume control mechanism comprises an annular plate arranged on the inner side surface of the mounting frame, wherein a first choke plate is symmetrically connected to one end surface of the annular plate, a second choke plate is symmetrically connected to one end surface of the first choke plate, a third choke plate is symmetrically connected to one end surface of the second choke plate, screw grooves are formed in the middle of the side surfaces of the first choke plate, the second choke plate and the third choke plate, the first choke plate, the second choke plate and the third choke plate are respectively provided with two groups of air volume control mechanisms, a bidirectional screw rod is connected to the surface of each screw rod groove in an embedded mode, a remote control motor is fixedly connected to one end surface of the bidirectional screw rod, and sleeve seats are connected to the two end surfaces of the bidirectional screw rod in a sleeved mode.
Preferably, the bottom surface of the supporting plate is provided with positioning blocks near the edges of the four corners, the surface of each positioning block is spirally connected with a screw rod, and the upper end surface of the supporting plate is fixedly provided with a supporting frame at the middle part.
Preferably, the other end fixed surface of frame installs centrifugal motor, one side fixed surface of frame installs the air-out frame, centrifugal motor's surface rotates and is connected with the wind wheel, the one end fixed surface of frame installs the air inlet frame, the slotted hole has been seted up to the surface equidistance of air inlet frame.
Preferably, the surface symmetry of mounting bracket has seted up the mounting hole, the one end fixed surface of mounting bracket installs the rubber pad, logical groove has been seted up to the side surface symmetry of mounting bracket, it is provided with six to lead to the groove.
Preferably, the annular plate and the mounting frame are fixedly connected in a welding mode, and the surface of the through groove is connected with a bidirectional screw rod in an embedded mode.
Preferably, an assembly groove is formed in the surface, close to the edge, of the sleeve seat, and the sleeve seat is fixed with the mounting frame through the assembly groove and the bolt.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the control mode is simple and convenient through the arranged air volume control mechanism, a user can control the three layers of choke plates to be folded or released according to a set program in a remote control mode, so that the air volume of the air inlet of the centrifugal fan is controlled, the three layers of choke plates can be conveniently and detachably arranged on the surface of the air inlet frame by matching with the mounting frame structure, and meanwhile, the rubber pad structure can buffer the vibration generated in the operation process of the device.
Drawings
FIG. 1 is a schematic view of an overall structure of a centrifugal fan capable of adjusting air volume at an air inlet according to the present invention;
FIG. 2 is a schematic view of a rack structure of a centrifugal fan capable of adjusting air volume at an air inlet according to the present invention;
fig. 3 is a schematic diagram of the mounting frame and the air volume control mechanism of the centrifugal fan capable of adjusting the air volume of the air inlet.
In the figure: 1. a support plate; 101. positioning blocks; 102. a support frame; 2. a frame; 201. a centrifugal motor; 202. an air outlet frame; 203. a wind wheel; 204. an air inlet frame; 3. a mounting frame; 301. mounting holes; 302. a rubber pad; 303. a through groove; 4. an air volume control mechanism; 401. an annular plate; 402. a first choke plate; 403. a second choke plate; 404. a third choke plate; 405. a bidirectional screw rod; 406. a remote control motor; 407. and (4) sleeving a seat.
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.
As shown in fig. 1-3, a centrifugal fan capable of adjusting air volume of an air inlet comprises a support plate 1, wherein a rack 2 is fixedly installed on the surface of the upper end of the support plate 1, an installation frame 3 is arranged at one end of the rack 2, and an air volume control mechanism 4 is arranged on the inner side surface of the installation frame 3;
the air volume control mechanism 4 comprises an annular plate 401 arranged on the inner side surface of the mounting frame 3, a first choke plate 402 is symmetrically connected on one end surface of the annular plate 401, a second choke plate 403 is symmetrically connected on one end surface of the first choke plate 402, a third choke plate 404 is symmetrically connected on one end surface of the second choke plate 403, screw rod grooves are arranged at the middle parts of the side surfaces of the first choke plate 402, the second choke plate 403 and the third choke plate 404, two groups of the first choke plate 402, the second choke plate 403 and the third choke plate 404 are respectively arranged, a bidirectional screw rod 405 is embedded and connected on the surface of the screw rod groove, a remote control motor 406 is fixedly connected on one end surface of the bidirectional screw rod 405, sleeve seats 407 are sleeved and connected on the two end surfaces of the bidirectional screw rod 405, the annular plate 401 can be used as a basic wind shielding structure in the operation process of the centrifugal fan, when the first choke plate 402, the second choke plate 403 and the third choke plate 404 which are symmetrically arranged are mutually close together, the smallest ventilation opening is reserved, the air quantity of the air inlet of the centrifugal fan is the smallest at the moment, when the air quantity needs to be enlarged, the remote control motor 406 connected to the bidirectional screw rod 405 on the surface of the third choke plate 404 can be started, the two groups of third choke plates 404 are closed to two sides, a larger ventilation opening is reserved, the same operation can be carried out, the second choke plate 403 and the first choke plate 402 are moved to be closed, and the air throughput of the air inlet is the largest.
The bottom end surface of the supporting plate 1 is provided with positioning blocks 101 near the edges of four corners, the surface of each positioning block 101 is spirally connected with a screw, the upper end surface of the supporting plate 1 is fixedly provided with a supporting frame 102 at the middle part, the positioning blocks 101 and the screws can facilitate the fixed installation of the supporting plate 1 and a workbench or a plane, and the supporting frame 102 can be used for bearing and connecting the structure of the rack 2;
the centrifugal motor 201 is fixedly installed on the surface of the other end of the rack 2, the air outlet frame 202 is fixedly installed on the surface of one side of the rack 2, the wind wheel 203 is rotatably connected to the surface of the centrifugal motor 201, the air inlet frame 204 is fixedly installed on the surface of one end of the rack 2, slotted holes are formed in the surface of the air inlet frame 204 at equal intervals, the wind wheel 203 can start to rotate by starting the centrifugal motor 201, and then air is blown out by the air outlet frame 202;
the annular plate 401 and the mounting frame 3 are fixedly connected in a welding mode, the surface of the through groove 303 is embedded and connected with the bidirectional screw rod 405, and the annular plate 401 and the mounting frame 3 form an integral structure, so that abrasion caused by vibration in the operation process of the device can be reduced;
the surface of cover seat 407 is close to the edge and has seted up the equipment groove, and cover seat 407 accomplishes fixedly through equipment groove and bolt and mounting bracket 3, utilizes the bolt to make cover seat 407 stable installation on mounting bracket 3 surface and can not take place to rock.
The working principle is as follows: the positioning block 101 and the screw rod can facilitate the fixed installation of the support plate 1 and a workbench or a plane, the support frame 102 can be used for bearing and connecting a frame 2 structure, the wind wheel 203 can start to rotate by starting the centrifugal motor 201, then the wind is blown out by the air outlet frame 202, the rubber pad 302 can reduce the vibration to be transmitted to the surface of the mounting frame 3 to a certain extent, and further reduce the noise, after the through groove 303 is butted with the surface hole groove of the air inlet frame 204, the mounting and fixing can be carried out by using bolts, in the operation process of the centrifugal fan, the annular plate 401 can be used as a basic wind shielding structure, when the first wind shielding plate 402, the second wind shielding plate 403 and the third wind shielding plate 404 which are symmetrically arranged are mutually closed, the smallest ventilation opening is reserved, at the moment, the air volume of the air inlet of the centrifugal fan is the smallest, when the air volume needs to be enlarged, the remote control motor 406 connected with the bidirectional screw rod 405 on the surface of the third wind shielding plate 404 can be started, the two sets of third choke plates 404 are moved toward both sides to leave a larger ventilation opening, and the same operation can be performed, and then the second choke plate 403 and the first choke plate 402 are moved toward the sides to maximize the air throughput at the air inlet.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a centrifugal fan of adjustable air intake amount, includes backup pad (1), its characterized in that: a rack (2) is fixedly installed on the surface of the upper end of the supporting plate (1), an installation rack (3) is arranged at one end of the rack (2), and a wind volume control mechanism (4) is arranged on the surface of the inner side of the installation rack (3);
the air volume control mechanism (4) comprises an annular plate (401) arranged on the inner side surface of the mounting frame (3), one end surface of the annular plate (401) is symmetrically connected with a first choke plate (402), one end surface of the first choke plate (402) is symmetrically connected with a second choke plate (403), one end surface of the second choke plate (403) is symmetrically connected with a third choke plate (404), the side surfaces of the first choke plate (402), the second choke plate (403) and the third choke plate (404) are provided with screw rod grooves at the middle parts, the first choke plate (402), the second choke plate (403) and the third choke plate (404) are respectively provided with two groups, the surface of the screw rod groove is embedded and connected with a bidirectional screw rod (405), one end surface of the bidirectional screw rod (405) is fixedly connected with a remote control motor (406), the two end surfaces of the bidirectional screw rod (405) are sleeved with sleeve seats (407).
2. The centrifugal fan capable of adjusting the air volume of the air inlet according to claim 1, is characterized in that: the bottom surface of backup pad (1) is close to four corners edge and is provided with locating piece (101), the surperficial screwed connection of locating piece (101) has the screw rod, the upper end surface of backup pad (1) is located middle part department fixed mounting and has support frame (102).
3. The centrifugal fan capable of adjusting the air volume of the air inlet according to claim 1, is characterized in that: the other end fixed surface of frame (2) installs centrifugal motor (201), one side fixed surface of frame (2) installs air-out frame (202), the surface rotation of centrifugal motor (201) is connected with wind wheel (203), the one end fixed surface of frame (2) installs air inlet frame (204), the slotted hole has been seted up to the surface equidistance of air inlet frame (204).
4. The centrifugal fan capable of adjusting the air volume of the air inlet according to claim 1, is characterized in that: mounting hole (301) have been seted up to the surface symmetry of mounting bracket (3), the one end fixed surface of mounting bracket (3) installs rubber pad (302), logical groove (303) have been seted up to the side surface symmetry of mounting bracket (3), it is provided with six to lead to groove (303).
5. The centrifugal fan capable of adjusting the air volume of the air inlet according to claim 4, is characterized in that: annular plate (401) and mounting bracket (3) pass through welding mode fixed connection, the surperficial embedding that leads to groove (303) is connected with two-way lead screw (405).
6. The centrifugal fan capable of adjusting the air volume of the air inlet according to claim 1, is characterized in that: an assembly groove is formed in the surface, close to the edge, of the sleeve seat (407), and the sleeve seat (407) is fixed with the mounting frame (3) through the assembly groove and a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220544047.4U CN216950943U (en) | 2022-03-14 | 2022-03-14 | Centrifugal fan capable of adjusting air quantity of air inlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220544047.4U CN216950943U (en) | 2022-03-14 | 2022-03-14 | Centrifugal fan capable of adjusting air quantity of air inlet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216950943U true CN216950943U (en) | 2022-07-12 |
Family
ID=82294490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220544047.4U Active CN216950943U (en) | 2022-03-14 | 2022-03-14 | Centrifugal fan capable of adjusting air quantity of air inlet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216950943U (en) |
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2022
- 2022-03-14 CN CN202220544047.4U patent/CN216950943U/en active Active
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