CN214661105U - Low-noise air ring for fan - Google Patents
Low-noise air ring for fan Download PDFInfo
- Publication number
- CN214661105U CN214661105U CN202023227568.7U CN202023227568U CN214661105U CN 214661105 U CN214661105 U CN 214661105U CN 202023227568 U CN202023227568 U CN 202023227568U CN 214661105 U CN214661105 U CN 214661105U
- Authority
- CN
- China
- Prior art keywords
- fan
- clamping grooves
- outer ring
- middle shaft
- groove
- 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
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A low-noise air ring for a fan comprises an outer ring, wherein a cavity is formed in the outer ring, sound-absorbing cotton is filled in the cavity, and a plurality of vertical outer clamping grooves are uniformly formed in the inner wall of the top of the outer ring along the circumferential direction; the middle shaft is arranged inside the outer ring, a straight line where the middle shaft is located is superposed with a central axis of the outer ring, a plurality of vertical inner clamping grooves are uniformly formed in the outer wall of the top of the middle shaft along the circumferential direction, the inner clamping grooves are matched with the outer clamping grooves, and the inner clamping grooves and the outer clamping grooves which are matched with each other are located on the same radial line of the outer ring; and two ends of the fan are respectively clamped in the inner clamping groove and the outer clamping groove which are matched with each other, and the fan is obliquely arranged. The utility model discloses the transmission of the cotton separation noise of sound is inhaled in the utilization, improves the noise reduction effect, and the fan both ends card respectively locate in mutually supporting inside race and the outer draw-in groove, can change single fan, reduce the solar or lunar halo cost of maintenance.
Description
Technical Field
The utility model relates to a fan accessory field is relevant with a low noise wind circle for fan very much.
Background
The fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. In the use of the fan, a wind guide ring structure is needed for guiding wind. Traditional solar or lunar halo is for improving the structural stability mechanism design of the integral type that adopts more, and the manufacturing procedure is loaded down with trivial details and need whole the changing when solar or lunar halo damages, and cost of maintenance is high, simultaneously, because wind-force vibrations effect, makes solar or lunar halo produce great noise, influences operational environment.
SUMMERY OF THE UTILITY MODEL
To the problem that relevant prior art exists, the utility model provides a low noise wind circle for fan utilizes the transmission of inhaling the cotton separation noise of sound, improves the noise reduction effect, and the fan both ends card respectively locate in mutually supporting inside groove and the outer draw-in groove, can change single fan, reduce wind circle cost of maintenance.
In order to achieve the above purpose, the utility model adopts the following technology:
a low noise wind ring for a fan, comprising:
the sound-absorbing structure comprises an outer ring, wherein a cavity is formed in the outer ring, sound-absorbing cotton is filled in the cavity, and a plurality of vertical outer clamping grooves are uniformly formed in the inner wall of the top of the outer ring along the circumferential direction;
the middle shaft is arranged inside the outer ring, a straight line where the middle shaft is located is superposed with a central axis of the outer ring, a plurality of vertical inner clamping grooves are uniformly formed in the outer wall of the top of the middle shaft along the circumferential direction, the inner clamping grooves are matched with the outer clamping grooves, and the inner clamping grooves and the outer clamping grooves which are matched with each other are located on the same radial line of the outer ring;
and two ends of the fan are respectively clamped in the inner clamping groove and the outer clamping groove which are matched with each other, and the fan is obliquely arranged.
Furthermore, a plurality of connecting rods are arrayed at the bottom of the middle shaft along the circumferential direction, and the other ends of the connecting rods are fixedly connected with the inner wall of the outer ring.
Furthermore, a thread groove is formed in the top of the middle shaft, a gland is connected to the thread groove in a threaded mode, the radius of the gland is larger than that of the middle shaft, and the top end of the gland is arc-shaped.
Furthermore, the two ends of the fan are connected with vertical insertion rods, and when the insertion rods are respectively matched with the inner clamping grooves and the outer clamping grooves, the top surface of the fan is flush with the top surface of the middle shaft.
Furthermore, the fan is evenly provided with a plurality of horizontal vent holes.
The utility model discloses beneficial effect:
1. the fan produces vibrations when contacting with gas, because the cavity intussuseption that the outer lane was seted up is filled with inhales the sound cotton, but the transmission of separation noise improves noise reduction effect, and the fan both ends are blocked respectively and are located in mutually supporting inside callipers groove and the draw-in groove outward, can change single fan, reduce the solar or lunar halo cost of maintenance.
2. The axis bottom is through connecting rod and outer lane fixed connection, avoids axis and outer lane to produce relative movement, influences the cooperation effect of fan both ends and interior draw-in groove and outer draw-in groove, leads to the fan to warp the damage, extension equipment life.
3. The thread groove that the axis top was seted up cooperates there is the gland, because the radius of gland is greater than the axis radius, can carry on spacingly to the fan top, prevents that the fan from becoming flexible, improve equipment structural stability.
4. When the inserted bar cooperates with interior draw-in groove and outer draw-in groove respectively, fan top surface and axis top surface parallel and level, the laminating of fan top surface and gland bottom simultaneously realizes the fixed of fan, and the air can pass the air vent when the fan is rotatory, reduces the resistance that the fan received, prevents that the fan from warping.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the schematic diagram of the outer ring profile structure of the present invention.
Fig. 3 is a schematic view of a portion a of fig. 2.
Fig. 4 is a schematic view of the middle shaft structure of the present invention.
Fig. 5 is a schematic view of the fan of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, but the described embodiments of the present invention are some embodiments of the present invention, not all embodiments.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the product of the present invention is usually placed when in use, and this is only for the convenience of description of the present invention and simplification of the description. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1 to 4, a low noise wind ring for a fan includes an outer ring 1, a central shaft 2 disposed inside the outer ring 1, and a fan 3.
The inside cavity 101 that is equipped with of outer lane 1, the intussuseption of cavity 101 is filled with and inhales the sound cotton 102, and a plurality of vertical outer draw-in grooves 103 have evenly been seted up along circumference to 1 top inner wall of outer lane.
The straight line that axis 2 is located coincides with the axis of outer lane 1, and a plurality of vertical interior draw-in grooves 201 have evenly been seted up along circumference to 2 top outer walls of axis, and interior draw-in groove 201 and outer draw-in groove 103 cooperation, and the interior draw-in groove 201 and the outer draw-in groove 103 that mutually support are located the same line of footpath of outer lane 1.
Two ends of the fan 3 are respectively clamped in the inner clamping groove 201 and the outer clamping groove 103 which are matched with each other, and the fan 3 is obliquely arranged.
Install the wind circle in the fan, to surrounding gas pressure production during the wind circle is rotatory fast, realize gaseous discharge and send, produce vibrations when fan 3 contacts with gas, because the cavity 101 intussuseption that outer lane 1 was seted up is filled with and inhales sound cotton 102, but the transmission of separation noise improves noise reduction effect, and in fan 3 both ends blocked respectively locating interior draw-in groove 201 and the outer draw-in groove 103 of mutually supporting, can change single fan 3, reduce wind circle cost of maintenance.
Further, a plurality of connecting rods 202 are arrayed at the bottom of the middle shaft 2 along the circumferential direction, the other ends of the connecting rods 202 are fixedly connected with the inner wall of the outer ring 1, a thread groove 203 is formed in the top of the middle shaft 2, the thread groove 203 is in threaded connection with a gland 204, the radius of the gland 204 is larger than that of the middle shaft 2, and the top end of the gland 204 is arc-shaped.
Connecting rod 202 and 1 fixed connection in outer lane are passed through to axis 2 bottom, avoid axis 2 and 1 relative movement in outer lane, influence the cooperation effect of 3 both ends of fan and interior draw-in groove 201 and outer draw-in groove 103, lead to fan 3 to warp the damage, extension equipment life, the thread groove 203 cooperation that axis 2 top was seted up has gland 204, because gland 204's radius is greater than axis 2's radius, can carry on spacingly to 3 tops of fan, prevent that fan 3 is not hard up, improve equipment structural stability.
Further, as shown in fig. 5, two ends of the fan 3 are connected with vertical insertion rods 301, when the insertion rods 301 are respectively matched with the inner clamping groove 201 and the outer clamping groove 103, the top surface of the fan 3 is flush with the top surface of the middle shaft 2, and the fan 3 is uniformly provided with a plurality of horizontal vent holes 302.
When inserted bar 301 cooperates with interior draw-in groove 201 and outer draw-in groove 103 respectively, fan 3 top surface and axis 2 top surface parallel and level, and fan 3 top surface and gland 204 bottom laminating realize fan 3's fixed, and the air can pass through air vent 302 when fan 3 rotates, reduces the resistance that fan 3 received, prevents that fan 3 from warping.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and it is obvious that those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (5)
1. The utility model provides a low noise wind circle for fan which characterized in that includes:
the sound-absorbing structure comprises an outer ring (1), wherein a cavity (101) is formed in the outer ring (1), sound-absorbing cotton (102) is filled in the cavity (101), and a plurality of vertical outer clamping grooves (103) are uniformly formed in the inner wall of the top of the outer ring (1) along the circumferential direction;
the middle shaft (2) is arranged inside the outer ring (1), the straight line where the middle shaft (2) is located coincides with the central axis of the outer ring (1), a plurality of vertical inner clamping grooves (201) are uniformly formed in the outer wall of the top of the middle shaft (2) along the circumferential direction, the inner clamping grooves (201) are matched with the outer clamping grooves (103), and the inner clamping grooves (201) and the outer clamping grooves (103) which are matched with each other are located on the same radial line of the outer ring (1);
and two ends of the fan (3) are respectively clamped in the inner clamping groove (201) and the outer clamping groove (103) which are matched with each other, and the fan (3) is obliquely arranged.
2. The low noise air ring for the fan according to claim 1, wherein: a plurality of connecting rods (202) are arrayed at the bottom of the middle shaft (2) along the circumferential direction, and the other ends of the connecting rods (202) are fixedly connected with the inner wall of the outer ring (1).
3. The low noise air ring for the fan according to claim 1, wherein: the top of the middle shaft (2) is provided with a thread groove (203), the thread groove (203) is in threaded connection with a gland (204), the radius of the gland (204) is larger than that of the middle shaft (2), and the top end of the gland (204) is arc-shaped.
4. The low noise air ring for the fan according to claim 1, wherein: the two ends of the fan (3) are connected with vertical insertion rods (301), and when the insertion rods (301) are respectively matched with the inner clamping groove (201) and the outer clamping groove (103), the top surface of the fan (3) is flush with the top surface of the middle shaft (2).
5. The low noise air ring for the fan according to claim 1, wherein: the fan (3) is uniformly provided with a plurality of horizontal vent holes (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023227568.7U CN214661105U (en) | 2020-12-29 | 2020-12-29 | Low-noise air ring for fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023227568.7U CN214661105U (en) | 2020-12-29 | 2020-12-29 | Low-noise air ring for fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214661105U true CN214661105U (en) | 2021-11-09 |
Family
ID=78504010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023227568.7U Active CN214661105U (en) | 2020-12-29 | 2020-12-29 | Low-noise air ring for fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214661105U (en) |
-
2020
- 2020-12-29 CN CN202023227568.7U patent/CN214661105U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203404127U (en) | Centrifugal fan | |
| CN100451366C (en) | Self-regulating type hydrodynamic gas elastic foil bearing | |
| CN214661105U (en) | Low-noise air ring for fan | |
| CN105134658A (en) | Centrifugal fan | |
| CN204921467U (en) | Centrifugation impeller, wind channel part and have its cabinet air conditioner | |
| CN201925235U (en) | Condensate pump for nuclear power station | |
| CN206929227U (en) | Bearing holder mounting structure and air-conditioning | |
| CN102116319B (en) | Condensate pump used in nuclear power station | |
| CN102207130A (en) | Aerostatic thrust bearing | |
| CN216306319U (en) | Fan frame adopting micropore structure | |
| CN209595462U (en) | A kind of simple hanging frame | |
| CN208059259U (en) | Castor mounting assembly and the apparatus of air conditioning | |
| US9803646B2 (en) | Fan with limiting-position device | |
| CN217029428U (en) | Exhaust fan casing and exhaust fan convenient to installation | |
| CN101121479B (en) | Bobbin chuck on winding head | |
| CN219035319U (en) | Vacuum air-float center shaft structure | |
| CN217814054U (en) | Negative pressure gas collection drive arrangement of printing VOCs waste gas | |
| CN213844550U (en) | Spinning device | |
| CN213839045U (en) | Axial fan convenient to installation | |
| CN214159629U (en) | Reaction tube fixing device for improving coaxiality of reaction tubes | |
| CN102116306B (en) | Auxiliary supporting device on condensate extraction pump for nuclear power station | |
| CN202001352U (en) | Auxiliary supporting device on condensate pump used in nuclear power station | |
| CN210135109U (en) | Bearing fixing structure convenient for mounting water pump | |
| CN209614763U (en) | Servo motor bearing press mounting tooling | |
| CN219220821U (en) | Axial-flow centrifugal combined impeller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |