CN210178650U - Air ducting of fan - Google Patents
Air ducting of fan Download PDFInfo
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- CN210178650U CN210178650U CN201921005717.XU CN201921005717U CN210178650U CN 210178650 U CN210178650 U CN 210178650U CN 201921005717 U CN201921005717 U CN 201921005717U CN 210178650 U CN210178650 U CN 210178650U
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- air guide
- guide ring
- ring
- guide
- chamber
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Abstract
The utility model discloses an air ducting of fan, including guide duct and guide ring, the inside formation guide duct of guide duct leads to the chamber, guide vane structure behind the installation of guide duct logical chamber lower extreme, the guide ring is installed in the guide duct, and the guide ring sets up the top at back guide vane structure, the lower port of guide ring is installed in guide duct leads to the chamber, the last port of guide ring leads to the chamber upper end to the guide duct and extends the setting, the one end joint that the guide ring is arranged in guide duct leads to the chamber is on the inner wall that the guide duct leads to the chamber, the port sets up a plurality of joint mouth under the guide ring, set up the joint spare of a plurality of and joint mouth cooperation installation on the inner wall that the guide duct leads to the chamber. The inner wall interference fit of wind-guiding circle casing and air duct logical chamber can be through rotatory disassembling or installation, avoids destroying product outward appearance and structure in disassembling or the installation, has indirectly reduced the disability rate, increases moreover and buckles the joint mouth and prevent the deformation of material and make the droing of the unstable wind-guiding circle of size cooperation, provides two-stage process protection, has improved the reliability.
Description
Technical Field
The utility model relates to an air ducting of fan is applicable to other similar structures of the domestic pipeline fan of ventilation trade.
Background
The traditional air guide ring and air guide cylinder installation matching structure is roughly divided into two types due to the materials, firstly, the air guide ring and the air guide cylinder are made of metal materials, the metal air guide ring is mainly connected with the metal air guide cylinder in a welding mode, the shape of the air guide ring is limited due to the processing method of a sheet metal part, the performance of an integral air duct is limited, the welding procedure is added, the cost is high, and the later-stage production and assembly are complex due to the limitation of the integral structure after welding.
Current mounting means in the trade, mostly the welding of metal wind-guiding circle, the shape of wind-guiding circle has been restricted, thereby influence the performance in wind channel, and welding processes has been increased, assembly processes is complicated, traditional plastics wind-guiding circle adopts the interference fit structure of great magnitude of interference (wind-guiding circle external diameter is greater than the internal diameter of guide duct) to adopt assembly methods more, the condition of assembly in place can't be confirmed, assembly error is being carried out and is being reprocessed, and reprocessed and disassemble, in-process can destroy product appearance and structure, thereby cause higher disability rate, make the size fit unstable because of the deformation of plastics material during the interference fit, also there is the risk that the wind-guiding circle drops.
For example, the utility model of chinese utility model patent CN205655456U discloses an air guide ring for use in a central air-conditioning fan, which comprises an air guide cylinder body internally forming a through cavity, wherein a plurality of mounting pieces are arranged at equal intervals in the air guide cylinder body, a transverse groove is formed on the mounting pieces, and concave type clamping grooves are respectively formed on two sides of the bottom of the groove; annular mounting edges are respectively formed at the upper and lower ports of the through cavity; still including extending the circle, extend the circle including solid fixed ring gu fixed ring upper end department is equipped with annular extension board the most central authorities of annular extension board form the bulge loop that makes progress, be equipped with the strengthening rib on the outer wall of bulge loop. The advantage of this patent is that can increase the air conduction volume from the air duct to the extension circle that the radius of wind ring opening part is littleer, and the structure that forms solid fixed ring on both sides simultaneously can select the installation direction according to actual installation needs, has enlarged holistic convenient to use and scope. However, when the impeller of the fan rotates at a higher speed, the air duct wrapped by the whole air guide ring fixing ring is easy to loosen and fall off due to strong vibration. In addition, the appearance and the structure of the product are easily damaged in the repair and disassembly process, and the rejection rate is submitted.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an inducer and guide duct cooperation target in place, avoid destroying product appearance and structure disassembling the in-process, indirectly reduced the disability rate, improve the fan and rotate at high speed and vibrate the stability of inducer and guide duct installation down.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the air guide device of the fan comprises an air guide cylinder and an air guide ring, wherein an air guide cylinder through cavity is formed in the air guide cylinder, a rear guide vane structure is installed at the lower end of the air guide cylinder through cavity, the air guide ring is installed in the air guide cylinder and is arranged above the rear guide vane structure, a lower port of the air guide ring is installed in the air guide cylinder through cavity, an upper port of the air guide ring extends towards the upper end of the air guide cylinder through cavity, one end, located in the air guide cylinder through cavity, of the air guide ring is connected to the inner wall of the air guide cylinder through cavity in a clamped mode, a plurality of clamping ports are formed in the lower port of the air guide ring, and a plurality of clamping pieces which are installed in a matched mode with the clamping ports are arranged on the inner wall of the air guide cylinder through.
To the utility model discloses do further preferred, the wind-guiding circle is by the direction of lower port to the supreme port, the inner circle diameter of wind-guiding circle reduces earlier the back increase, the diameter minimum department of wind-guiding circle inner circle is close to the last port of wind-guiding circle.
To the utility model discloses do further preferred, wind-guiding circle and guide duct be integrative injection moulding.
It is right to the utility model discloses do further preferred, the joint interface is for setting up the joint interface of buckling under the wind-guiding circle on the port, buckle the joint interface by port upwards extends the setting under the wind-guiding circle.
It is right to the utility model discloses do further preferably, buckle the joint interface and include location portion, kink and screens portion, location portion by the axial extension setting of port upwards under the wind-guiding circle, the kink is kept away from the one end of port under the wind-guiding circle in location portion and is extended the setting along the radial direction of wind-guiding circle, screens portion is in the tip that location portion was kept away from to the kink sets up along axial extension towards the wind-guiding circle port.
It is further preferable to the utility model, the clamping part is semicircular.
It is further preferable that the clamping member is a cylindrical positioning protrusion.
It is further preferable to the utility model, the column positioning protrusion is one or more of a square column protrusion, a cylinder protrusion, an oval column protrusion, and a triangular column protrusion.
It is further preferable to the utility model, the column-shaped positioning protrusion and the inner wall of the air guide cylinder through cavity are integrally formed or welded.
The integrally formed structure can reduce the abrasion degree of the cylindrical positioning bulges and prolong the service life when the fan rotates at high speed; on the other hand, the installation stability is stronger, and the possibility of looseness and falling off of the cylindrical positioning bulge is eliminated.
To the utility model discloses do further preferred, the shell body of wind-guiding circle with the inner wall interference fit in the air duct logical chamber.
The advantage is, this kind of structure can be through relevant step rotatory disassembling or installation, avoids destroying product appearance and structure in disassembling or installation, has indirectly reduced the disability rate, buckles joint interface structure through increasing moreover, for preventing that the deformation of material makes the unstable wind-guiding circle of size fit drop, provides two-stage protection, has improved this mounting structure's reliability.
Compared with the prior art, the utility model discloses profitable technological effect has been obtained: the cylindrical positioning bulge and the bent clamping interface ensure that the air guide ring is arranged in the through cavity of the air guide barrel body, so that the problem that an installation structure of a traditional fan needs external parts to connect the air guide ring and the air guide barrel can be solved, the space is saved, and the cost is reduced; the integrally formed structure can reduce the abrasion degree of the cylindrical positioning bulges and prolong the service life when the fan rotates at high speed; on the other hand, the installation stability is stronger, and the possibility of looseness and falling off of the cylindrical positioning bulge is eliminated; the inner wall interference fit that wind-guiding circle casing and guide duct lead to the chamber, this kind of structure can rotate through relevant step and disassemble or install, avoids destroying product appearance and structure in disassembling or the installation, has indirectly reduced the disability rate, buckles joint interface structure through increasing in addition, makes the unstable wind-guiding circle of size fit drop for preventing the deformation of material, provides two-stage protection, has improved this mounting structure's reliability.
Drawings
Fig. 1 is a front view of an air guide device of a fan according to the present invention;
figure 2 shows a front view of an air duct of the present invention;
fig. 3 shows a partially enlarged view of the clip member of the present invention;
fig. 4 shows a position diagram of a bending clip interface on the wind guide ring of the present invention;
fig. 5 shows a partial enlarged view of the bent clip interface of the present invention;
fig. 6 shows a partial enlarged view of the fit between the bent clip interface and the clip member of the present invention;
reference numerals:
1, an air duct; 101, a through cavity of an air duct; 102 rear guide vane structure; 2, a wind guide ring; 3, a card interface; 301 a positioning section; 302 a bending part; 303 screens portion 4 joint spare
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, an air guide device of a fan comprises an air duct 1 and an air guide ring 2, an air duct through cavity 101 is formed inside the air duct 1, a rear guide vane structure 102 is installed at the lower end of the air duct through cavity 101, the air guide ring 2 is installed in the air duct 1, the air guide ring 2 is arranged above the rear guide vane structure 102, a lower port of the air guide ring 2 is installed in the air duct through cavity 101, an upper port of the air guide ring 2 extends to the upper end of the air duct through cavity 101, one end, located in the air duct through cavity 101, of the air guide ring 2 is clamped on the inner wall of the air duct through cavity 101, a plurality of clamping ports 3 are arranged at the lower port of the air guide ring 2, and a plurality of clamping pieces 4 which are installed in a matched manner with the clamping ports 3 are arranged on the inner. As shown in fig. 5, the clamping interface 3 and the clamping piece 4 are installed in a matched manner, and one end, located in the air duct through cavity 101, of the air guide ring 2 is clamped on the inner wall of the air duct through cavity 101, so that the problem that an installation structure of a traditional fan needs external parts to connect the air guide ring and the air guide duct can be solved, the space is saved, and the cost is reduced.
As shown in fig. 4, in the direction from the lower port to the upper port of the air guide ring 2, the diameter of the inner ring of the air guide ring 2 is first reduced and then increased, and the minimum diameter position of the inner ring of the air guide ring 2 is close to the upper port of the air guide ring 2.
The air guide ring 2 and the air guide cylinder 1 are both integrally formed by injection molding.
The utility model discloses a joint interface has two kinds of implementation:
example one
The joint interface 3 is a bending joint interface arranged on the lower end opening of the air guide ring, and the bending joint interface is arranged by extending upwards from the lower end opening of the air guide ring.
Example two
As shown in fig. 5, the bent clip interface includes a positioning portion 301, a bent portion 302 and a locking portion 303, the positioning portion 301 extends from the lower port of the wind-guiding ring to the axial direction of the upper port, the bent portion 302 extends from the end of the positioning portion away from the lower port of the wind-guiding ring along the radial direction of the wind-guiding ring, and the locking portion 303 extends from the end of the bent portion away from the positioning portion toward the upper port of the wind-guiding ring along the axial direction. Preferably, the locking portion 303 has a semicircular or circular arc shape.
The rectangular clamping interface on the bottom edge of the air guide ring is changed into a bending clamping interface, in the installation process, the clamping piece 4 of the air guide cylinder 1 enters the opening of the bending clamping interface 3, then the bending part 302 is pressed and rotated, then the pressing is carried out, finally the clamping piece 3 of the air guide cylinder 1 is clamped into the clamping part 303 of the air guide ring 2, the clamping part is semicircular, and due to the fact that the air guide ring 2 and the air guide cylinder 1 are in interference fit, along with the pressing, the clamping interface 3 can shrink, the size of the opening of the bending clamping interface is reduced, the clamping piece 4 cannot easily slide out of the bending clamping interface 3, the stability of the structure is guaranteed, and the reliability of the installation structure is improved.
As shown in fig. 2 and 3, the clamping member 4 is a cylindrical positioning protrusion, preferably, the cylindrical positioning protrusion is one or more of a square cylindrical protrusion, a cylindrical protrusion, an oval cylindrical protrusion, and a triangular cylindrical protrusion. The cylindrical positioning bulge and the inner wall of the air guide cylinder body through cavity 101 are integrally formed or welded.
The outer shell of the air guide ring is in interference fit with the inner wall of the air guide cylinder through cavity 101. The structure can be disassembled or installed in a rotating mode through related steps, the appearance and the structure of a product are prevented from being damaged in the disassembling or installing process, the rejection rate is indirectly reduced, and in addition, as shown in figure 6, through the addition of the matching structure of the cylindrical protrusion and the bent clamping interface, the unstable air guide ring in size matching is prevented from falling off due to the deformation of materials, two-stage protection is provided, and the reliability of the installing structure is improved.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (10)
1. The air guide device of the fan comprises an air guide cylinder and an air guide ring, wherein an air guide cylinder through cavity is formed in the air guide cylinder, and a rear guide vane structure is installed at the lower end of the air guide cylinder through cavity.
2. The wind guide device of the fan according to claim 1, wherein the wind guide ring has a diameter of an inner ring that is first reduced and then increased in a direction from a lower port to an upper port, and a minimum diameter of the inner ring of the wind guide ring is close to the upper port of the wind guide ring.
3. The air guide device of the fan according to claim 1, wherein: the air guide ring and the air guide cylinder are integrally formed by injection molding.
4. The air guide device of the fan according to claim 1, wherein: the clamping interface is a bent clamping interface arranged on the lower port of the air guide ring, and the bent clamping interface extends upwards from the lower port of the air guide ring.
5. The air guide device of the fan according to claim 4, wherein: the bent clamping interface comprises a positioning portion, a bent portion and a clamping portion, the positioning portion is formed by axially extending the lower end opening of the air guide ring to the upper end opening, the end, far away from the lower end opening of the air guide ring, of the bent portion is arranged by extending in the radial direction of the air guide ring, and the end, far away from the positioning portion, of the clamping portion is arranged by axially extending the end portion, far away from the positioning portion, of the bent portion to the upper end opening of the air guide.
6. The air guide device of the fan according to claim 5, wherein: the clamping part is semicircular.
7. The wind guide device of a blower fan according to claim 5, wherein the clamping member is a cylindrical positioning protrusion.
8. The air guide device of the fan according to claim 7, wherein: the column-shaped positioning bulge is one or more of a square column bulge, a cylinder bulge, an oval column bulge and a triangular column bulge.
9. The air guide device of the fan according to claim 7, wherein: the cylindrical positioning bulge and the inner wall of the through cavity of the air guide cylinder body are integrally formed or welded.
10. The air guide device of the fan according to claim 1, wherein: the outer shell of the air guide ring is in interference fit with the inner wall of the air guide cylinder through cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921005717.XU CN210178650U (en) | 2019-06-28 | 2019-06-28 | Air ducting of fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921005717.XU CN210178650U (en) | 2019-06-28 | 2019-06-28 | Air ducting of fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210178650U true CN210178650U (en) | 2020-03-24 |
Family
ID=69839559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921005717.XU Active CN210178650U (en) | 2019-06-28 | 2019-06-28 | Air ducting of fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210178650U (en) |
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2019
- 2019-06-28 CN CN201921005717.XU patent/CN210178650U/en active Active
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