CN209761793U - Bidirectional air exhaust fan - Google Patents
Bidirectional air exhaust fan Download PDFInfo
- Publication number
- CN209761793U CN209761793U CN201920407270.2U CN201920407270U CN209761793U CN 209761793 U CN209761793 U CN 209761793U CN 201920407270 U CN201920407270 U CN 201920407270U CN 209761793 U CN209761793 U CN 209761793U
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- CN
- China
- Prior art keywords
- fan frame
- fan
- fixedly connected
- lower cover
- rotor
- 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.)
- Expired - Fee Related
Links
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- 241000883990 Flabellum Species 0.000 claims description 2
- 230000017525 heat dissipation Effects 0.000 description 7
- 239000000428 dust Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a two-way fan of airing exhaust belongs to fan technical field. The bidirectional exhaust fan comprises a fixed mounting fan frame, wherein the fixed mounting fan frame comprises a fan frame lower cover and a fan frame upper cover, and the fan frame lower cover is fixedly connected with the fan frame upper cover; the lower cover of the fan frame is connected with a rotating mechanism, and the rotating mechanism is connected with an impeller; the utility model discloses effectively solve the direction singleness of fan exhaust air among the prior art, such fan can't provide the problem of two direction exhaust air.
Description
Technical Field
The utility model relates to a fan technical field specifically is two-way exhaust fan.
background
The fan is the composition part of the heat dissipation system of the heating device, the development of the science and technology industry is rapid nowadays, electronic products such as computers, notebook computers and the like become essential products of modern people, the products can generate heat in operation, the accumulation of the heat can influence the efficiency and the service life of the products, and the fan is applied to the products and discharges the heat out of the products.
The commonly used heat dissipation system fan comprises an axial flow fan and a turbine fan, wherein the two fans comprise a fan frame, a stator, a rotor, 2 to 50 fan blades and an impeller; the stator is fixed on the fan frame, the rotor is arranged on the impeller, the fan blade is fixed on the impeller, and the impeller is pivoted with the fan frame; after the stator is electrified, the stator drives the rotor to drive the impeller to rotate through magnetic force, and the blades on the impeller drive gas to flow. The existing fan has single air exhaust direction, so that the existing fan cannot be independently used in a heat dissipation system which needs vertical air pressure and parallel air exhaust simultaneously.
SUMMERY OF THE UTILITY MODEL
1. The to-be-solved technical problem of the utility model
The utility model aims at solving the problem that the direction of fan exhaust air is single among the prior art, such fan can't provide two directions and arrange the air, and the fan of airing exhaust simultaneously with the axle vertical direction of airing exhaust with the axle syntropy that provides.
2. Technical scheme
in order to achieve the above object, the utility model provides a following technical scheme:
The bidirectional exhaust fan comprises a fixedly-mounted fan frame, wherein the fixedly-mounted fan frame comprises a fan frame lower cover and a fan frame upper cover, the fan frame lower cover is connected to the fan frame upper cover, the fixedly-mounted fan frame comprises an axial air inlet and an axial air outlet, the fixedly-mounted fan frame is also provided with a lateral air outlet, the side wall of the fan frame lower cover is fixedly connected with a mounting lug, and the mounting lug is provided with a threaded hole; the fan frame lower cover is connected with a rotating mechanism, the rotating mechanism is connected with an impeller, the impeller comprises an annular cylinder and an annular circular plate, the annular circular plate is fixedly connected with the annular cylinder, the inner wall of the annular cylinder is fixedly connected with an axial flow fan blade, the outer wall of the annular cylinder is fixedly connected with a turbofan blade, the turbofan blade is also fixedly connected with the annular circular plate, when the annular circular plate is not connected with the annular cylinder, the annular circular plate and the inner wall of the annular cylinder are both fixedly connected with the axial flow fan blade, the turbofan blade is fixedly connected with the annular circular plate, or the turbofan blade is fixedly connected with the outer wall of the annular cylinder, or the turbofan blade is simultaneously fixedly connected with the outer wall of the annular cylinder and the annular circular plate; the impeller comprises axial fan blades and turbofan blades, the annular circular plate and the annular cylinder are used for connecting the axial fan blades and the turbofan blades, and holes can be formed in the wall of the annular cylinder so as to increase the air inlet efficiency of the turbofan blades.
Preferably, slewing mechanism includes stator and rotor, stator and fan frame lower cover fixed connection, the rotor is including permanent magnet and rotor containing shell, permanent magnet fixed connection is on the outer wall of stator, rotor containing shell fixed mounting is in the outside of permanent magnet.
Preferably, the intermediate position fixedly connected with wheel section of thick bamboo of axial fan flabellum, the sealing end fixedly connected with pivot of wheel section of thick bamboo, rotor fixed mounting is inside the wheel section of thick bamboo, the shell is accomodate to the rotor and wheel section of thick bamboo inner wall fixed connection, be provided with spacing hole on the rotor accomodates the shell sealing face, the pivot runs through spacing hole and is connected with the stator rotation, the bottom of pivot runs through the sash frame lower cover, be provided with the external screw thread layer on the outer wall of bottom of pivot, be connected with locking device on the external screw thread layer.
Preferably, the locking device comprises a locking nut, a rotary bearing and a spring, an internal thread is fixedly connected to the inner wall surface of the locking nut, the locking nut is spirally connected with the rotating shaft through the internal thread, an adjusting groove is formed in the side wall surface of the locking nut, a locking screw is spirally connected to the inner side of the adjusting groove, a protrusion is arranged on the inner ring portion of the locking nut, the inner ring body of the rotary bearing is fixedly connected with the protrusion, and the spring is fixedly connected with the outer ring body of the rotary bearing.
3. Advantageous effects
The utility model discloses when using, after the stator circular telegram, the stator drives the impeller rotation through magnetic drive rotor, and the blade drive gas on the impeller flows, the utility model discloses a fixed mounting fan frame is formed by the concatenation of fan frame lower cover and fan frame upper cover combination, in addition, there is locking device at the bottom screwed connection of pivot, when installing the impeller, only need to connect locking nut screwed connection of locking device in the pivot first, when waiting for locking nut to rotate to a certain extent, screw the locking screw inside the adjustment tank, thereby can fix locking nut in the pivot, and the pivot can still normally rotate through the rotation axis bearing, owing to install the spring, can be better guarantee impeller fixed mounting's stability and fastness, utilize above-mentioned design, be convenient for more install and dismantle, can be more convenient wash the impeller; when the impeller rotates, the axial flow fan blade of the impeller can realize heat dissipation and exhaust in the axial direction, meanwhile, the turbine fan blade on the impeller can realize lateral heat dissipation and exhaust, hot air or dust and the like can be exhausted from a lateral air outlet, and the wall of the annular cylinder is also provided with the opening, so that the air inlet efficiency of the turbine fan blade can be improved; by utilizing the design, the air exhaust in different directions is realized in one fan, the utilization rate of the fan is improved, and the cost is reduced; meanwhile, under the trend of miniaturization of electronic devices, the electronic devices cannot be provided with a plurality of fans.
Drawings
Fig. 1 is a schematic structural view of the present invention;
Fig. 2 is a schematic diagram of the explosion structure of the present invention;
Fig. 3 is a schematic structural view of the impeller of the present invention;
fig. 4 is a schematic structural view of the locking device of the present invention;
Fig. 5 is a schematic structural view of the opening of the impeller of the present invention.
The reference numbers in the figures illustrate:
1. fixedly mounting a fan frame; 2. mounting lugs; 3. a rotating mechanism; 4. an impeller; 5. a lateral air outlet; 6. a lower cover of the fan frame; 7. a fan frame upper cover; 8. a stator; 9. a permanent magnet; 10. a rotor housing case; 11. an annular cylinder; 12. an annular circular plate; 13. axial fan blades; 14. a turbofan blade; 15. a wheel cylinder; 16. a rotating shaft; 17. a locking device; 18. locking the nut; 19. a rotating bearing; 20. a spring; 21. and (6) opening holes.
Detailed Description
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 work belong to the protection scope of the present invention.
Example 1:
Referring to fig. 1 and 2, the bidirectional exhaust fan comprises a fixedly-mounted fan frame 1, wherein the fixedly-mounted fan frame 1 comprises a fan frame lower cover 6 and a fan frame upper cover 7, the fan frame lower cover 6 is connected to the fan frame upper cover 7, the fixedly-mounted fan frame 1 comprises an axial air inlet and an axial air outlet, the fixedly-mounted fan frame 1 is further provided with a lateral air outlet 5, the side wall of the fan frame lower cover 6 is fixedly connected with a mounting lug 2, and the mounting lug 2 is provided with a threaded hole; the fan frame lower cover 6 is connected with a rotating mechanism 3, the rotating mechanism 3 is connected with an impeller 4, the impeller 4 comprises an annular cylinder 11 and an annular circular plate 12, the annular circular plate 12 is fixedly connected with the annular cylinder 11, the inner wall of the annular cylinder 11 is fixedly connected with an axial flow fan blade 13, the outer wall of the annular cylinder 11 is fixedly connected with a turbofan blade 14, the turbofan blade 14 is also fixedly connected with the annular circular plate 12, and the wall of the annular cylinder 11 is also provided with an opening 21.
Slewing mechanism 3 includes stator 8 and rotor, stator 8 and fan frame lower cover 6 fixed connection, and the rotor is including permanent magnet 9 and rotor storage case 10, and permanent magnet 9 fixed connection is on the outer wall of stator 8, and rotor storage case 10 fixed mounting is in the outside of permanent magnet 9.
The utility model discloses a fixed mounting fan frame 1 is formed by the combination concatenation of fan frame lower cover 6 and fan frame upper cover 7, in addition, there is locking device 17 at the bottom screwed connection of pivot 16, when installing impeller 4, only need first lock nut 18 screwed connection of locking device 17 on pivot 16, when lock nut 18 rotates to a certain extent, screw the lock screw of adjustment tank inside, thereby can fix lock nut 18 on pivot 16, and pivot 16 still can normally rotate through rotation bearing 19, owing to install spring 20, can be better guarantee impeller 4 fixed mounting's stability and fastness, utilize above-mentioned design, be more convenient for install and dismantle, can be more convenient wash the impeller; when the device body works, after the stator 8 is electrified, the stator 8 drives the rotor to drive the impeller 4 to rotate through magnetic force, and the blades on the impeller 4 drive gas to flow.
Example 2:
Referring to fig. 3-5, the basic difference of embodiment 1 is that a wheel cylinder 15 is fixedly connected to the middle position of the axial fan blade 13, a rotating shaft 16 is fixedly connected to the sealed end of the wheel cylinder 15, the rotor is fixedly mounted inside the wheel cylinder 15, a rotor housing shell 10 is fixedly connected to the inner wall of the wheel cylinder 15, a limiting hole is disposed on the sealed surface of the rotor housing shell 10, the rotating shaft 16 penetrates through the limiting hole and is rotatably connected to the stator 8, the bottom end of the rotating shaft 16 penetrates through the fan frame lower cover 6, an external thread layer is disposed on the outer wall surface of the bottom end of the rotating shaft 16, and a locking device 17 is connected to the external thread layer.
The locking device 17 comprises a locking nut 18, a rotary bearing 19 and a spring 20, an internal thread is fixedly connected to the inner wall surface of the locking nut 18, the locking nut 18 is in threaded connection with the rotating shaft 16 through the internal thread, an adjusting groove is formed in the side wall surface of the locking nut, a locking screw is spirally connected to the inner side of the adjusting groove, a protrusion is arranged on the inner ring portion of the locking nut 18, the inner ring body of the rotary bearing 19 is fixedly connected with the protrusion, and the spring 20 is fixedly connected with the outer ring body of the rotary bearing 19.
When the impeller 4 rotates, the axial fan blade 13 of the impeller 4 can realize heat dissipation and exhaust in the axial direction, meanwhile, the turbine fan blade 14 on the impeller 4 can realize lateral heat dissipation and exhaust, hot air or dust and the like can be exhausted from the lateral air outlet 5, the wall of the annular cylinder 11 is also provided with the opening 21, the air inlet efficiency of the turbine fan blade can be increased, and by utilizing the design, the exhaust in different directions can be realized in one fan, the utilization rate of the fan is improved, and the cost is reduced; meanwhile, under the trend of miniaturization of electronic devices, the electronic devices cannot be provided with a plurality of fans.
The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the improvement concept of the present invention within the technical scope disclosed in the present invention.
Claims (4)
1. Two-way air exhaust fan, including fixed mounting fan frame (1), its characterized in that: the fixed mounting fan frame (1) comprises a fan frame lower cover (6) and a fan frame upper cover (7), the fan frame lower cover (6) is connected to the fan frame upper cover (7), the fixed mounting fan frame (1) comprises an axial air inlet and an axial air outlet, the fixed mounting fan frame (1) is further provided with a lateral air outlet (5), the side wall of the fan frame lower cover (6) is fixedly connected with a mounting lug (2), and the mounting lug (2) is provided with a threaded hole; the fan frame is characterized in that a rotating mechanism (3) is connected onto the fan frame lower cover (6), an impeller (4) is connected onto the rotating mechanism (3), the impeller (4) comprises an annular cylinder (11) and an annular circular plate (12), the annular circular plate (12) is fixedly connected with the annular cylinder (11), an axial flow fan blade (13) is fixedly connected onto the inner wall of the annular cylinder (11), a turbofan blade (14) is fixedly connected onto the outer wall of the annular cylinder (11), the turbofan blade (14) is also fixedly connected with the annular circular plate (12), and an opening (21) is further formed in the wall of the annular cylinder (11).
2. The bidirectional exhaust fan according to claim 1, characterized in that: slewing mechanism (3) include stator (8) and rotor, stator (8) and fan frame lower cover (6) fixed connection, the rotor is including permanent magnet (9) and rotor storage case (10), permanent magnet (9) fixed connection is on the outer wall of stator (8), rotor storage case (10) fixed mounting is in the outside of permanent magnet (9).
3. The bidirectional exhaust fan according to claim 2, characterized in that: the intermediate position fixedly connected with wheel section of thick bamboo (15) of axial fan flabellum (13), the seal end fixedly connected with pivot (16) of wheel section of thick bamboo (15), rotor fixed mounting is inside wheel section of thick bamboo (15), rotor storage shell (10) and wheel section of thick bamboo (15) inner wall fixed connection, the rotor is provided with spacing hole on storage shell (10) seal face, pivot (16) run through spacing hole and stator (8) and rotate and are connected, fan frame lower cover (6) are run through to the bottom of pivot (16), be provided with the external screw thread layer on the outer wall of pivot (16) bottom, be connected with locking device (17) on the external screw thread layer.
4. The bidirectional exhaust fan according to claim 3, characterized in that: the locking device (17) comprises a locking nut (18), a rotary bearing (19) and a spring (20), wherein an internal thread is fixedly connected to the inner wall surface of the locking nut (18), the locking nut (18) is in threaded connection with the rotating shaft (16) through the internal thread, an adjusting groove is formed in the side wall surface of the locking nut (18), a locking screw is connected to the adjusting groove in a threaded mode, a protrusion is arranged on the inner ring portion of the locking nut (18), the inner ring body of the rotary bearing (19) is fixedly connected with the protrusion, and the spring (20) is fixedly connected with the outer ring body of the rotary bearing (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920407270.2U CN209761793U (en) | 2019-03-28 | 2019-03-28 | Bidirectional air exhaust fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920407270.2U CN209761793U (en) | 2019-03-28 | 2019-03-28 | Bidirectional air exhaust fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209761793U true CN209761793U (en) | 2019-12-10 |
Family
ID=68756754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920407270.2U Expired - Fee Related CN209761793U (en) | 2019-03-28 | 2019-03-28 | Bidirectional air exhaust fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209761793U (en) |
-
2019
- 2019-03-28 CN CN201920407270.2U patent/CN209761793U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 |