CN211525132U - Centrifugal fan with adjustable air outlet angle - Google Patents
Centrifugal fan with adjustable air outlet angle Download PDFInfo
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- CN211525132U CN211525132U CN201922142801.2U CN201922142801U CN211525132U CN 211525132 U CN211525132 U CN 211525132U CN 201922142801 U CN201922142801 U CN 201922142801U CN 211525132 U CN211525132 U CN 211525132U
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Abstract
The utility model relates to an air-out angularly adjustable centrifugal fan, this fan include centrifugal fan subassembly and mount pad, the centrifugal fan subassembly is including the air outlet, the centrifugal fan unit mount is behind the mount pad, the air outlet is along with the activity of centrifugal fan subassembly at mount pad internal rotation. The mount pad is used for realizing the installation to centrifugal fan subassembly, after centrifugal fan subassembly installation on the mount pad, can realize the rotation of vent through rotatory centrifugal fan subassembly, realizes fan working range's adjustment. Through increasing an installation department on centrifugal fan subassembly's basis, realized the rotatory activity of centrifugal fan subassembly on the installation department, realized the rotatory activity of air outlet on the centrifugal fan subassembly promptly, be convenient for adjust the air outlet to suitable operating position, compare the fixed design of current centrifugal fan air outlet, it is more convenient and practical.
Description
Technical Field
The utility model belongs to the technical field of articles for daily use, in particular to air-out angularly adjustable centrifugal fan.
Background
Centrifugal fans, in which air enters from an axial direction and is discharged from a space between blades of the centrifugal fan in a radial direction by a centrifugal force, are generally powered by a motor and are rotated at a high speed by rotation of an output shaft of the motor.
The centrifugal fan can meet specific use scenes because the air inlet and the air outlet of the centrifugal fan are not on the same straight line and have high pressure and high air volume, and therefore more air blowing and heat dissipation benefits are brought, and the performance of the system is improved.
Chinese patent No. CN207814002U entitled "centrifugal fan and cooling device including the same" discloses a centrifugal fan and cooling apparatus including the same, the centrifugal fan including: an impeller, a motor; and a housing; the housing has: a first plate portion having a first air intake port that penetrates in an axial direction; a second plate section having a second air inlet penetrating in the axial direction; a first side wall portion extending from a radially outer edge of the first plate portion in a direction toward the second plate portion; and a second side wall portion extending from a radially outer edge of the second plate portion toward the first plate portion; the impeller has: a cup portion; a first support portion located radially outside the cup portion, the first support portion having a plurality of blades arranged in an axial direction; and a first rib connecting the cup portion and the first support portion; the portion enclosed by the cup portion, the first supporting portion and the first rib portion forms an impeller opening, and the area of the impeller opening is larger than that of the second air suction port. Since the opening area on the impeller side becomes large, the loss of the amount of air flowing from the intake port is reduced, and the amount of air blown is increased.
In the above patent, although the loss of the amount of air flowing from the air inlet is reduced and the amount of air blown out from the air outlet is increased by increasing the opening area on the impeller side, the air outlet has a single position and direction structure in the patent, so that the air outlet can only discharge air in one direction, the working range of the centrifugal fan is limited, and once the centrifugal fan is mounted and fixed, flexible adjustment of a plurality of angles cannot be realized, which is very inconvenient.
Disclosure of Invention
In order to solve the above problem, an object of the present invention is to provide an air-out angle-adjustable centrifugal fan with adjustable fan air-out angle, wide range, safe and stable structure, and easy installation and disassembly.
Another object of the utility model is to provide a simple structure, conveniently carry, convenient to use is high-efficient, low in production cost, application scope are wider's air-out angularly adjustable centrifugal fan.
In order to achieve the above object, the technical solution of the present invention is as follows.
The utility model relates to an air-out angularly adjustable centrifugal fan, its characterized in that, this fan include centrifugal fan subassembly and mount pad, centrifugal fan subassembly is including the air outlet, centrifugal fan unit mount is behind the mount pad, the air outlet is along with the activity of centrifugal fan subassembly at mount pad internal rotation. The mount pad is used for realizing the installation to centrifugal fan subassembly, after centrifugal fan subassembly installation on the mount pad, can realize the rotation of vent through rotatory centrifugal fan subassembly, realizes fan working range's adjustment.
Further, the mounting base comprises a fan face shell and a fan bottom shell, an accommodating space is formed in the middle of the fan face shell and the fan bottom shell after the fan face shell and the fan bottom shell are detachably connected, the centrifugal fan assembly is arranged in the accommodating space, and the upper side and the lower side of the centrifugal fan assembly are movably connected with the fan face shell and the fan bottom shell respectively. Accommodation space's setting up provides rotation space for centrifugal fan subassembly, centrifugal fan subassembly about both sides respectively with the swing joint of fan face shell and fan drain pan, provide the connection basis for centrifugal fan subassembly rotation in accommodation space.
Further, be provided with the spliced pole on the fan face-piece, be provided with the spread groove on the fan drain pan, form the support column behind spliced pole and the spread groove joint, the support column sets up to more than one, more than one the even and interval setting of support column is between fan face-piece and fan drain pan. The detachable connection of fan face shell and fan drain pan has been realized with the mode of spliced pole joint to the spread groove, dismantle the rear and just install centrifugal fan assembly other by the mounting on, the support column forms accommodation space with fan face shell and fan drain pan, even and spaced setting of support column is between fan face shell and fan drain pan, this fan structure's stability has both been guaranteed, this fan during operation of blowing has also been guaranteed simultaneously, the smoothness nature of air-out.
Further, centrifugal fan subassembly includes fan shell and impeller, the impeller sets up inside the fan shell, fan shell upper portion outwards extends and forms the air intake, the fan shell side outwards extends and forms the air outlet, air intake and air outlet all with fan shell integral type structure, when the fan shell during rotatory activity in accommodation space, the air outlet revolves the activity in accommodation space around the center of fan shell. The impeller and the fan shell are designed conventionally, the basic fanning function of the centrifugal fan is guaranteed, the air outlet rotates around the center of the fan shell, the 360-degree rotating air outlet function of the fan is achieved, the position of the air outlet is flexibly adjusted according to needs, and the fanning position of the air outlet can be adjusted.
Furthermore, a through hole is formed in the fan face shell, the through hole is matched with the air inlet in size, and when the fan shell rotates and moves in the accommodating space, the air inlet rotates and moves in the through hole. The air inlet is arranged, so that the air supply function of the centrifugal fan assembly is realized, and the air inlet is clamped with the through hole to ensure the rotating and moving function of the air inlet on the through hole.
Furthermore, more than one baffle is arranged in the air inlet, and the baffles are uniformly arranged in the air inlet at intervals. The design of air intake overhead gage has blockked the foreign matter to a certain extent and has got into inside the centrifugal fan subassembly, and simultaneously, the design of baffle also is convenient for artificial promotion and regulation, when rotating the baffle, can realize the rotatory activity of centrifugal fan subassembly, and the convenience is to the regulation of air outlet position.
Furthermore, the lower portion of the fan shell is provided with a clamping portion, more than one clamping piece is arranged on the side edge of the clamping portion, an annular clamping groove is formed in the fan bottom shell, and when the fan shell rotates and moves in the containing space, the clamping pieces all rotate and move in the annular clamping groove. The setting of fastener has realized the joint of fan shell with the fan drain pan, has guaranteed this fan overall structure's stability, and simultaneously, fastener and ring groove's design also makes things convenient for the rotatory activity of fan shell on ring groove.
Furthermore, the clamping portion is provided with more than one baffle, and the baffles are uniformly arranged in the middle of the clamping portion. The arrangement of the upper baffle of the clamping part is convenient for the rotation adjustment of the fan shell.
To sum up, the utility model relates to an air-out angle adjustable centrifugal fan, its characterized in that, this fan include centrifugal fan subassembly and mount pad, the centrifugal fan subassembly is including the air outlet, the centrifugal fan unit mount is behind the mount pad, the air outlet is along with the activity of centrifugal fan subassembly at mount pad internal rotation. The mount pad is used for realizing the installation to centrifugal fan subassembly, after centrifugal fan subassembly installation on the mount pad, can realize the rotation of vent through rotatory centrifugal fan subassembly, realizes fan working range's adjustment. Through increasing an installation department on centrifugal fan subassembly's basis, realized the rotatory activity of centrifugal fan subassembly on the installation department, realized the rotatory activity of air outlet on the centrifugal fan subassembly promptly, be convenient for adjust the air outlet to suitable operating position, compare the fixed design of current centrifugal fan air outlet, it is more convenient and practical.
Drawings
Fig. 1 is an exploded view of the centrifugal fan with adjustable air outlet angle of the present invention.
Fig. 2 is a structure diagram of the first visual angle of the centrifugal fan with adjustable air outlet angle.
Fig. 3 is a structural diagram of the second visual angle of the centrifugal fan with adjustable air outlet angle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-3, the utility model relates to an air-out angle adjustable centrifugal fan, its characterized in that, this fan 1 includes centrifugal fan subassembly 2 and mount pad 3, centrifugal fan subassembly 2 is including air outlet 21, centrifugal fan subassembly 2 is installed behind mount pad 3, air outlet 21 is along with centrifugal fan subassembly 2 rotation activity in mount pad 3. The mounting base 3 is used for realizing the installation to the centrifugal fan subassembly 2, after the centrifugal fan subassembly 2 is installed on the mounting base 3, can realize the rotation of vent through rotatory centrifugal fan subassembly 2, realizes the adjustment of fan working range.
In this embodiment, the mounting base 3 includes a fan housing 31 and a fan housing 32, the fan housing 31 and the fan housing 32 are detachably connected to form an accommodating space 33 in the middle, the centrifugal fan assembly 2 is disposed in the accommodating space 33, and the upper and lower sides of the centrifugal fan assembly 2 are movably connected to the fan housing 31 and the fan housing 32, respectively. The accommodating space 33 is configured to provide a rotation space for the centrifugal fan assembly 2, and the upper and lower sides of the centrifugal fan assembly 2 are respectively movably connected with the fan panel shell 31 and the fan bottom shell 32, so as to provide a connection basis for the rotation of the centrifugal fan assembly 2 in the accommodating space 33.
In this embodiment, be provided with spliced pole 311 on the fan face casing 31, be provided with connecting groove 321 on the fan drain pan 32, form support column 34 after spliced pole 311 and connecting groove 321 joint, support column 34 sets up to more than one, more than one support column 34 is even and the interval sets up between fan face casing 31 and fan drain pan 32. The mode of connecting groove 321 and spliced pole 311 joint has realized that fan face shell 31 and fan drain pan 32's detachable is connected, dismantle the rear and just install centrifugal fan subassembly 2 on other by the mounting, support column 34 forms accommodation space 33 with fan face shell 31 and fan drain pan 32, support column 34 is even and the spaced setting between fan face shell 31 and fan drain pan 32, the stability of this fan structure has both been guaranteed, this fan blowing during operation has also been guaranteed simultaneously, the smoothness nature of air-out.
In this embodiment, the centrifugal fan assembly 2 includes a fan housing 22 and an impeller 23, the impeller 23 is disposed inside the fan housing 22, an upper portion of the fan housing 22 extends outward to form an air inlet 221, a side of the fan housing 22 extends outward to form the air outlet 21, the air inlet 221 and the air outlet 21 are both integrated with the fan housing 22, and when the fan housing 22 rotates in the accommodating space 33, the air outlet 21 rotates in the accommodating space 33 around a center of the fan housing 22. The impeller 23 and the fan casing 22 are designed as a conventional centrifugal fan, and are designed to ensure the basic fan function of the centrifugal fan, the air outlet 21 rotates around the center of the fan casing 22, so that the 360-degree rotation air outlet function of the fan is realized, and the position of the air outlet 21 is flexibly adjusted as required, so that the fan position of the air outlet 21 can be adjusted.
In this embodiment, the fan housing 31 is provided with a through hole 312, the through hole 312 is matched with the size of the air inlet 221, and when the fan housing 22 rotates in the accommodating space 33, the air inlet 221 rotates in the through hole 312. The air inlet 221 is arranged to realize an air supply function of the centrifugal fan assembly 2, and is clamped with the through hole 312 to ensure a rotation function of the air inlet 221 on the through hole 312.
In this embodiment, the air inlet 221 is provided with more than one baffle 222, and the baffles 222 are uniformly and alternately arranged in the air inlet 221. The design of baffle 222 on air intake 221 has stopped the foreign matter to a certain extent and has got into inside centrifugal fan subassembly 2, and simultaneously, the design of baffle 222 also is convenient for artificial promotion and regulation, when rotating baffle 222, can realize the rotatory activity of centrifugal fan subassembly 2, the convenient regulation to air outlet 21 position.
In this embodiment, a clamping portion 223 is disposed at a lower portion of the fan case 22, more than one clamping piece 224 is disposed on a side of the clamping portion 223, an annular clamping groove 322 is disposed on the fan bottom case 32, and when the fan case 22 rotates in the accommodating space 33, the clamping pieces 224 all rotate in the annular clamping groove 322. The clamping piece 224 is arranged to realize the clamping connection between the fan shell 22 and the fan bottom shell 32, so that the stability of the overall structure of the fan is ensured, and meanwhile, the design of the clamping piece 224 and the annular clamping groove 322 is convenient for the fan shell 22 to rotate on the annular clamping groove 322.
In this embodiment, the clamping portion 223 is provided with more than one baffle 222, and the baffles 222 are uniformly arranged in the middle of the clamping portion 223. The provision of the baffle 222 on the snap-in portion 223 facilitates rotational adjustment of the fan case 22.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides an air-out angularly adjustable centrifugal fan, its characterized in that, this fan include centrifugal fan subassembly and mount pad, the centrifugal fan subassembly is including the air outlet, the centrifugal fan unit mount is behind the mount pad, the air outlet is along with centrifugal fan subassembly rotation activity in the mount pad.
2. The centrifugal fan with the adjustable air outlet angle as claimed in claim 1, wherein the mounting base comprises a fan face shell and a fan bottom shell, the fan face shell and the fan bottom shell are detachably connected to form an accommodating space in the middle, the centrifugal fan assembly is disposed in the accommodating space, and the upper and lower sides of the centrifugal fan assembly are movably connected with the fan face shell and the fan bottom shell respectively.
3. The centrifugal fan with the adjustable air outlet angle according to claim 2, wherein the fan face casing is provided with a connecting column, the fan bottom casing is provided with a connecting groove, the connecting column is clamped with the connecting groove to form at least one supporting column, and the at least one supporting column is uniformly arranged between the fan face casing and the fan bottom casing at intervals.
4. The centrifugal fan with the adjustable outlet air angle according to claim 2, wherein the centrifugal fan assembly includes a fan casing and an impeller, the impeller is disposed inside the fan casing, an upper portion of the fan casing extends outward to form an air inlet, a side edge of the fan casing extends outward to form the air outlet, the air inlet and the air outlet are both integrated with the fan casing, and when the fan casing rotates in the accommodating space, the air outlet rotates around a center of the fan casing in the accommodating space.
5. The centrifugal fan with the adjustable outlet air angle according to claim 4, wherein the fan housing is provided with a through hole, the through hole is matched with the air inlet in size, and when the fan housing rotates and moves in the accommodating space, the air inlet rotates and moves in the through hole.
6. The centrifugal fan with the adjustable air outlet angle according to claim 5, wherein more than one baffle is disposed in the air inlet, and the baffles are disposed in the air inlet uniformly and at intervals.
7. The centrifugal fan with the adjustable air outlet angle according to claim 6, wherein a clamping portion is disposed at a lower portion of the fan casing, more than one clamping member is disposed on a side edge of the clamping portion, an annular clamping groove is disposed on the fan bottom casing, and when the fan casing rotates in the accommodating space, the clamping members all rotate in the annular clamping groove.
8. The centrifugal fan with the adjustable air outlet angle according to claim 7, wherein the clamping portion is provided with more than one baffle, and the baffles are uniformly arranged in the middle of the clamping portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922142801.2U CN211525132U (en) | 2019-11-29 | 2019-11-29 | Centrifugal fan with adjustable air outlet angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922142801.2U CN211525132U (en) | 2019-11-29 | 2019-11-29 | Centrifugal fan with adjustable air outlet angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211525132U true CN211525132U (en) | 2020-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922142801.2U Active CN211525132U (en) | 2019-11-29 | 2019-11-29 | Centrifugal fan with adjustable air outlet angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211525132U (en) |
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2019
- 2019-11-29 CN CN201922142801.2U patent/CN211525132U/en active Active
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