CN210799424U - Axial-flow fan with adjustable blade angle - Google Patents
Axial-flow fan with adjustable blade angle Download PDFInfo
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- CN210799424U CN210799424U CN201921845554.6U CN201921845554U CN210799424U CN 210799424 U CN210799424 U CN 210799424U CN 201921845554 U CN201921845554 U CN 201921845554U CN 210799424 U CN210799424 U CN 210799424U
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- 230000008878 coupling Effects 0.000 claims abstract description 3
- 238000010168 coupling process Methods 0.000 claims abstract description 3
- 238000005859 coupling reaction Methods 0.000 claims abstract description 3
- 239000011229 interlayer Substances 0.000 claims description 8
- 239000010410 layer Substances 0.000 claims description 5
- 238000004378 air conditioning Methods 0.000 claims 1
- 230000003139 buffering effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model discloses an axial-flow fan of adjustable blade angle, including casing and card group, the support frame is installed to the downside of casing, and the inner wall of casing is provided with smooth group, and fixed box is installed to the inboard of smooth group, and the inboard of fixed box installs servo motor, and the card group is installed in servo motor's output through the coupling, and the card group includes fixture block, connecting axle and bolt, and the right side of fixture block is connected with the connecting axle, and the inboard of fixture block installs the bolt, and the inboard of card group is connected with the fan piece. The device bilayer structure's the casing in be provided with the gasbag for the total mass of casing reduces, when bumping, utilizes the gasbag to play the effect of buffering, makes the influence that the collision produced reduce, because the card group links to each other with the fan piece, and the card group can rotate along fixed box, makes the fan piece rotate along fixed box, and the inclination of fan piece is changed according to the use needs to the convenience, makes wind blow off along suitable angle.
Description
Technical Field
The utility model relates to a fan technical field specifically is an axial fan of adjustable blade angle.
Background
The axial flow fan is the most common ventilation and air supply equipment in the market at present, and is called as the axial flow type because the air flows parallel to the fan shaft, namely the air flow in the same direction with the shaft of the fan blade, such as an electric fan, an air conditioner outer machine fan is an axial flow type running fan, the axial flow fan is usually used in the occasions with higher flow requirement and lower pressure requirement, and the axial flow fan is fixed in position and moves the air.
The existing axial flow fan is characterized in that most of blades of the fan are in a fixed state, the angle of the blades is not convenient to flexibly adjust according to the using condition, and the blades are not convenient to disassemble and replace.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an axial fan of adjustable blade angle to solve the axial fan that proposes in the above-mentioned background art, the blade majority of fan is the fixed state, is not convenient for adjust the angle of blade according to the in service behavior is nimble, and the problem that the blade was not convenient for dismantle and is changed.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an axial-flow fan of adjustable blade angle, includes casing and card group, the support frame is installed to the downside of casing, and the inner wall of casing is provided with smooth group, fixed box is installed to the inboard of smooth group, and the inboard of fixed box installs servo motor, the card group is installed in servo motor's output through the coupling, and the card group includes fixture block, connecting axle and bolt, the right side of fixture block is connected with the connecting axle, and the inboard of fixture block installs the bolt, the inboard of card group is connected with the fan piece, the inboard intermediate position of casing is provided with the main shaft.
Preferably, the interlayer of the shell is internally provided with an air bag, the shell is of a double-layer structure, and the air bags are uniformly distributed in the interlayer of the shell.
Preferably, the sliding set comprises a sliding rail and a sliding buckle, the sliding buckle is connected to the inner side of the sliding rail, and the fixed box forms a sliding structure with the shell through the sliding set.
Preferably, a bearing is sleeved on the outer side of the output end of the servo motor, and the clamping group forms a rotating structure with the fixed box through the bearing.
Preferably, the fan blade is matched with the inner groove of the fixture block in shape and size, and the fixture block and the fan blade form a detachable structure through bolts.
Preferably, the clamping sets are uniformly distributed along the outer wall of the main shaft, and the fan blades form a rotating structure with the main shaft through the clamping sets.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the device is provided with the air bag, the air bag is arranged in the shell of the double-layer structure, so that the total mass of the shell is reduced, and when collision occurs, the air bag plays a role in buffering, so that the influence generated by the collision is reduced; the fixed box is connected with the shell by the sliding group, so that the fixed box can slide along the shell and is convenient to rotate in cooperation with the fan blades during working;
2. the fan blade capable of rotating is arranged, and the clamping set is connected with the fan blade and can rotate along the fixed box, so that the fan blade can rotate along the fixed box, the inclination angle of the fan blade can be conveniently changed according to use requirements, and the air can be blown out along a proper angle;
3. the fan blade is connected with the clamping group through the bolt, and the fan blade can be detached through the detachability of the bolt, so that the replacement and inspection operation of the fan blade are facilitated; the fan blade clamping device is provided with a clamping set capable of rotating along the main shaft, and the fan blade can rotate along the main shaft by utilizing the clamping set, so that the angle of the fan blade can be conveniently changed in a matched mode.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a schematic view of the top view of the connection between the fan blade and the clip set of the present invention;
FIG. 3 is a schematic view of the connection structure between the fan blade and the fixing box of the present invention;
fig. 4 is a schematic view of the connection structure of the fan blade and the main shaft of the present invention.
In the figure: 1. a housing; 2. a support frame; 3. an air bag; 4. a sliding group; 401. a slide rail; 402. sliding and buckling; 5. a fixing box; 6. a servo motor; 7. a bearing; 8. a card group; 801. a clamping block; 802. a connecting shaft; 803. a bolt; 9. a fan blade; 10. a main shaft.
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.
Referring to fig. 1-4, the present invention provides a technical solution: an axial flow fan capable of adjusting blade angles comprises a shell 1 and a clamping group 8, wherein a supporting frame 2 is installed on the lower side of the shell 1, a sliding group 4 is arranged on the inner wall of the shell 1, an air bag 3 is arranged in an interlayer of the shell 1, the shell 1 is of a double-layer structure, the air bag 3 is uniformly distributed in the interlayer of the shell 1, the air bag 3 is distributed in the interlayer of the shell 1 and plays a buffering role in collision, the air bag 3 is arranged in the shell 1 of the double-layer structure, so that the total mass of the shell 1 is reduced, and the air bag 3 is utilized to play a buffering role in collision so that the influence generated by collision is reduced; the inner side of the sliding group 4 is provided with a fixed box 5, the inner side of the fixed box 5 is provided with a servo motor 6, the sliding group 4 comprises a sliding rail 401 and a sliding buckle 402, the inner side of the sliding rail 401 is connected with the sliding buckle 402, the fixed box 5 forms a sliding structure with the shell 1 through the sliding group 4, the sliding buckle 402 is matched with the sliding rail 401, the sliding buckle 402 can slide along the sliding direction, the sliding buckle 402 is connected with the fixed box 5, the sliding rail 401 is connected with the shell 1, the fixed box 5 can slide along the shell 1 and is provided with the sliding group 4, and the fixed box 5 is connected with the shell 1 through the sliding group 4, so that the fixed box 5 can slide along the shell 1 and is convenient to rotate in cooperation with the fan;
the clamping group 8 is mounted at the output end of the servo motor 6 through a shaft coupler, the clamping group 8 comprises a clamping block 801, a connecting shaft 802 and a bolt 803, a bearing 7 is sleeved outside the output end of the servo motor 6, the clamping group 8 and the fixed box 5 form a rotating structure through the bearing 7, relative rotation can occur between an inner ring and an outer ring of the bearing 7, the inner ring of the bearing 7 is connected with the clamping group 8, the outer ring of the bearing 7 is connected with the fixed box 5, the clamping group 8 can rotate along the fixed box 5, and a fan blade 9 capable of rotating is arranged;
the right side of the fixture block 801 is connected with a connecting shaft 802, a bolt 803 is installed on the inner side of the fixture block 801, the inner side of the clamping group 8 is connected with the fan blade 9, the fan blade 9 is matched with the shape and size of an inner groove of the fixture block 801, the fixture block 801 and the fan blade 9 form a detachable structure through the bolt 803, the fixture block 801 and the fan blade 9 are connected through the bolt 803, the bolt 803 has detachability, the bolt 803 is detached, the fixture block 801 and the fan blade 9 can be separated, the clamping group 8 convenient to detach is arranged, the fan blade 9 and the clamping group 8 are connected through the bolt 803, and the fan blade 9 can be detached through the detachability of the bolt 803, so that the fan blade 9 can be conveniently replaced; the inboard intermediate position of casing 1 is provided with main shaft 10, the outer wall evenly distributed of card group 8 along main shaft 10, fan piece 9 passes through to constitute rotating-structure between card group 8 and the main shaft 10, card group 8 distributes on the main shaft 10 outer wall, main shaft 10 utilizes card group 8 to connect fan piece 9, card group 8 utilizes bearing 7 and main shaft 10 to link to each other, fan piece 9 can rotate along bearing 7, it can rotate card group 8 along main shaft 10 to be provided with, fan piece 9 can utilize card group 8 to rotate along main shaft 10, the convenient cooperation changes the angle of fan piece 9.
The working principle is as follows: for this kind of axial flow fan, the whole device is supported by the supporting frame 2, when installing, the fan sheet 9 is inserted along the groove of the block 801, the fan sheet 9 is clamped into the block 801, the bolt 803 is tightened, the fan sheet 9 is fixed on the clamping set 8, a proper number of fan sheets 9 are installed according to the use requirement, when using, the device is connected with the external power source, the main shaft 10 is connected with the external power device, the servo motor 6 is opened, the connecting shaft 802 on the clamping set 8 is driven to rotate along the bearing 7, the fan sheet 9 is driven to rotate, the clamping set 8 on the main shaft 10 is driven to rotate, the angle of the fan sheet 9 is changed, the fan sheet 9 is adjusted to a proper angle according to the use requirement, the external power device drives the main shaft 10 to rotate, the fan sheet 9 is driven to rotate, the slide fastener 402 at the tail of the fixing box 5 is driven to rotate along the slide rail 401, the fixing box 5 is driven to rotate along the shell 1 by the slide, the angle of the fan blade 9 is changed, when the fan blade 9 at a certain position is damaged, the fan blade 9 needs to be detached and replaced, the bolt 803 at the corresponding position is unscrewed, the fan blade 9 can be easily taken down, and a new fan blade 9 is replaced, when an external object collides with the shell 1 of the device, the air bag 3 in the interlayer of the shell 1 plays a role of a buffer zone, the influence caused by collision is reduced, the shell 1 is prevented from being knocked through, and therefore the using process of the whole axial flow fan is completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An axial-flow fan of adjustable blade angle, includes casing (1) and card group (8), its characterized in that: support frame (2) are installed to the downside of casing (1), and the inner wall of casing (1) is provided with smooth group (4), fixed box (5) are installed to the inboard of smooth group (4), and the inboard of fixed box (5) installs servo motor (6), card group (8) are installed in servo motor's (6) output through the coupling, and card group (8) include fixture block (801), connecting axle (802) and bolt (803), the right side of fixture block (801) is connected with connecting axle (802), and the inboard of fixture block (801) installs bolt (803), the inboard of card group (8) is connected with fan piece (9), the inboard intermediate position of casing (1) is provided with main shaft (10).
2. The axial-flow fan capable of adjusting the angle of the blade according to claim 1, wherein: the air bag type air-conditioning unit is characterized in that an air bag (3) is arranged in an interlayer of the shell (1), the shell (1) is of a double-layer structure, and the air bag (3) is uniformly distributed in the interlayer of the shell (1).
3. The axial-flow fan capable of adjusting the angle of the blade according to claim 1, wherein: the sliding group (4) comprises a sliding rail (401) and a sliding buckle (402), the sliding buckle (402) is connected to the inner side of the sliding rail (401), and the fixed box (5) forms a sliding structure with the shell (1) through the sliding group (4).
4. The axial-flow fan capable of adjusting the angle of the blade according to claim 1, wherein: the bearing (7) is sleeved on the outer side of the output end of the servo motor (6), and the clamping group (8) forms a rotating structure with the fixed box (5) through the bearing (7).
5. The axial-flow fan capable of adjusting the angle of the blade according to claim 1, wherein: the fan blade (9) is matched with the external dimension of the inner groove of the fixture block (801), and the fixture block (801) forms a detachable structure with the fan blade (9) through the bolt (803).
6. The axial-flow fan capable of adjusting the angle of the blade according to claim 1, wherein: the clamping sets (8) are uniformly distributed along the outer wall of the main shaft (10), and the fan blades (9) form a rotating structure with the main shaft (10) through the clamping sets (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921845554.6U CN210799424U (en) | 2019-10-30 | 2019-10-30 | Axial-flow fan with adjustable blade angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921845554.6U CN210799424U (en) | 2019-10-30 | 2019-10-30 | Axial-flow fan with adjustable blade angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210799424U true CN210799424U (en) | 2020-06-19 |
Family
ID=71244912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921845554.6U Expired - Fee Related CN210799424U (en) | 2019-10-30 | 2019-10-30 | Axial-flow fan with adjustable blade angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210799424U (en) |
-
2019
- 2019-10-30 CN CN201921845554.6U patent/CN210799424U/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: 20200619 |