CN212225564U - Novel axial flow fan - Google Patents
Novel axial flow fan Download PDFInfo
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- CN212225564U CN212225564U CN202020821872.5U CN202020821872U CN212225564U CN 212225564 U CN212225564 U CN 212225564U CN 202020821872 U CN202020821872 U CN 202020821872U CN 212225564 U CN212225564 U CN 212225564U
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- impeller
- dryer
- fixedly connected
- axial flow
- fixed connection
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Abstract
The utility model discloses a novel axial fan relates to ventilation equipment, aims at solving the impeller and can take place the problem of violent shake because the atress is uneven on the blade at the rotation in-process, and its technical scheme main points are: the on-line screen storage device comprises a base, the dryer of fixed connection on the base, fixed connection is at the support frame in the dryer, servo motor and the impeller of fixed connection on servo motor's output of fixed connection on the support frame, the outer lane fixedly connected with go-between of impeller, there is the clearance between the periphery wall of go-between and the internal perisporium of dryer, a plurality of spacing subassemblies of internal perisporium towards its air intake one side fixedly connected with of dryer, spacing subassembly contradicts towards air intake one side of dryer with the go-between, spacing subassembly is used for taking place relative rotation with the go-between. The utility model provides high impeller is at the stability of rotation in-process, is difficult for making the impeller take place to rock.
Description
Technical Field
The utility model relates to a ventilation equipment, more specifically say, it relates to a novel axial fan.
Background
The axial flow fan has a very wide application, namely, the axial flow fan and the fan blade have the same direction of air flow, such as an electric fan, and an air conditioner outer machine fan is an axial flow type running fan. The "axial flow" is so called because the gas flows parallel to the fan axis. Axial flow fans are commonly used in applications where flow requirements are high and pressure requirements are low, are fixed in position and move air, and consist primarily of a fan impeller and a casing.
However, in the process of the existing axial flow fan that the motor drives the impeller to rotate, the blades of the impeller are easily stained with dust, so that the impeller can shake violently due to unbalanced stress on the blades in the rotating process.
Therefore, a new solution is needed to solve this problem.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a novel axial fan improves the stability of impeller at the rotation in-process, is difficult for making the impeller take place to rock.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a novel axial flow fan, includes that base, fixed connection are at dryer, support frame, the servo motor of fixed connection on the support frame and the impeller of fixed connection on servo motor's output of support frame in the dryer of dryer, the outer lane fixedly connected with go-between of impeller, there is the clearance between the periphery wall of go-between and the internal perisporium of dryer, the internal perisporium of dryer is towards a plurality of spacing subassemblies of its air intake one side fixedly connected with, spacing subassembly is contradicted towards air intake one side of dryer with the go-between, spacing subassembly is used for taking place relative rotation with the go-between.
Through adopting above-mentioned technical scheme, through setting up spacing subassembly, thereby make when servo motor takes the impeller to take place to rotate, the impeller can drive the go-between and take place to rotate, and the setting up of go-between makes a plurality of blades in the impeller can have better bulk strength, when single blade is tried to shake, the effort can be given and come the dispersed effort for all the other blades, then spacing subassembly can carry on spacingly to the go-between, avoid the go-between to take place the condition of rocking, and can not influence the impeller and drive the go-between and take place normal rotation.
The utility model discloses further set up to: spacing subassembly include with dryer internal perisporium fixed connection's connection piece, fixed connection on the connection piece and with connection piece fixed connection's separation blade, the arc wall has been seted up towards separation blade one side to the connection piece, the centre of a circle of arc wall is the same with the dryer centre of a circle, logical groove has been seted up on the separation blade, roll connection has the ball that is located the arc wall and leads to the inslot between connection piece and the separation blade, the arc wall is less than the diameter of ball with the groove depth sum that leads to the groove, the internal perisporium that leads to the groove is laminated with the surface of ball, just ball and go-between are contradicted towards dryer air intake.
Through adopting above-mentioned technical scheme, when spacing subassembly contradicts with the go-between, can make ball and go-between contact to when the go-between is followed the impeller and is taken place to rotate, can make the ball take place to roll at arc wall and logical inslot, thereby reduce the frictional force between spacing subassembly and the go-between, and the ball can also play better tight spacing effect of supporting to the go-between, makes the difficult emergence of go-between rock.
The utility model discloses further set up to: the blocking piece and the connecting block are respectively provided with a first threaded hole and a second threaded hole along the thickness direction of the blocking piece and the connecting block, and the first threaded hole and the second threaded hole which are coaxially arranged are in threaded connection with a first fastening piece.
The utility model discloses further set up to: the connecting piece is connected with the inner peripheral wall of the air duct through a second fastening piece.
The utility model discloses further set up to: and a reinforcing block is fixedly connected between the connecting block and the top surface of the connecting sheet.
Through adopting above-mentioned technical scheme, through setting up the boss to make it strengthen the structural strength between connecting block and the connection piece.
The utility model discloses further set up to: both ends of the air duct are fixedly connected with a mesh enclosure through fasteners.
Through adopting above-mentioned technical scheme, through setting up the screen panel to make it can block the both ends of dryer, avoid people to contact pivoted impeller and be injured.
The utility model discloses further set up to: the first fastener, the second fastener and the third fastener are all fastening bolts.
The utility model discloses further set up to: the outer surface of the impeller is coated with a polytetrafluoroethylene coating, and the thickness of the polytetrafluoroethylene coating is 20-35 microns.
Through adopting above-mentioned technical scheme, through setting up the polytetrafluoroethylene coating to make it can play better protection effect to the impeller.
To sum up, the utility model discloses following beneficial effect has:
through setting up spacing subassembly to make when servo motor takes the impeller to take place to rotate, the impeller can drive the go-between and take place to rotate, and the setting up of go-between makes a plurality of blades in the impeller can have better bulk strength, when single blade is tried to shake, the effort can be transmitted for all the other blades and come the dispersed effort, then spacing subassembly can be spacing to the go-between, avoid the go-between to take place the condition of rocking, and can not influence the impeller and drive the go-between and take place normal rotation.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
fig. 4 is an exploded view of the middle stop assembly of the present invention.
In the figure: 1. an air duct; 2. a base; 3. a mesh enclosure; 4. a third fastener; 5. an impeller; 6. a servo motor; 7. a support frame; 8. a connecting ring; 9. connecting sheets; 10. connecting blocks; 11. an arc-shaped slot; 12. a baffle plate; 13. a ball bearing; 14. a reinforcing block; 15. a second fastener; 16. a through groove; 17. and a first threaded hole.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Example (b):
as shown in fig. 1 and 2, a novel axial flow fan, including base 2, the dryer 1 of welding on base 2, the support frame 7 of welding in dryer 1, servo motor 6 and the impeller 5 of interference fit on servo motor 6's output on support frame 7 through the screw, it has the polytetrafluoroethylene coating to coat on impeller 5's the surface, the thickness of polytetrafluoroethylene coating is 20-35 microns, impeller 5's outer lane welding has go-between 8, there is the clearance between the periphery wall of go-between 8 and the interior perisporium of dryer 1, the interior perisporium of dryer 1 is towards a plurality of spacing subassemblies of its air intake one side fixedly connected with, spacing subassembly contradicts towards air intake one side of dryer 1 with go-between 8, spacing subassembly is used for taking place relative rotation with go-between 8.
As shown in fig. 3 and 4, the limiting component comprises a connecting piece 9 detachably connected with the inner peripheral wall of the air duct 1, a connecting block 10 integrally formed on the connecting piece 9, and a blocking piece 12 detachably connected with the connecting block 10, a reinforcing block 14 is integrally formed between the connecting block 10 and the top surface of the connecting piece 9, and the connecting piece 9 is connected with the inner peripheral wall of the air duct 1 through a second fastening piece 15 which is a fastening bolt.
As shown in fig. 4, an arc-shaped groove 11 is formed in one side of the connecting block 10 facing the baffle 12, the circle center of the arc-shaped groove 11 is the same as the circle center of the air duct 1, a through groove 16 is formed in the baffle 12, a ball 13 located in the arc-shaped groove 11 and the through groove 16 is connected between the connecting block 10 and the baffle 12 in a rolling manner, the sum of the groove depths of the arc-shaped groove 11 and the through groove 16 is smaller than the diameter of the ball 13, the inner peripheral wall of the through groove 16 is attached to the outer surface of the ball 13, and the ball 13 is abutted to one.
As shown in fig. 4, the blocking piece 12 and the connecting block 10 are respectively provided with a first threaded hole 17 and a second threaded hole along the thickness direction thereof, and the first threaded hole 17 and the second threaded hole which are coaxially arranged are jointly and threadedly connected with a first fastening piece which is a fastening bolt.
As shown in fig. 1, both ends of the air duct 1 are fixedly connected with a mesh enclosure 3 through fasteners three 4.
When people use this axial fan, base 2 can make this fan place comparatively steadily, and the screen panel 3 of 1 both sides of dryer can play the location effect through fastener three 4 for the difficult condition that takes place to drop of screen panel 3, and screen panel 3 can play effective isolated to people and impeller 5 and servo motor 6, prevents that people from touching impeller 5, avoids people to be hindered by impeller 5.
And when people accomplish the assembly to servo motor 6 on support frame 7, people can install spacing subassembly again, make connection piece 9 obtain effective connection through fastener two 15, then reinforcing block 14 has strengthened the structural strength between connection piece 9 and connecting block 10, and when servo motor 6 drives impeller 5 and takes place the pivoted, can play better connection effect to a plurality of blades in impeller 5 through go-between 8, make have stronger structural integrity between a plurality of blades, when single blade need take place the shake, the effort can pass through go-between 8 and transmit other blades, make the effort obtain the dispersion, make impeller 5 be difficult for taking place the condition of shake following servo motor 6 pivoted in-process from this.
Simultaneously when impeller 5 is followed at go-between 8 and is rotated, go-between 8 contradicts with ball 13, go-between 8 rotates, play better tight effect of supporting to it through ball 13, and ball 13 can take place comparatively smooth and easy rotation in leading to groove 16 and arc wall 11, thereby when reducing ball 13 and go-between 8 and contradict, the frictional force that produces between the two, make impeller 5 can comparatively smoothly rotate from this, and still difficult emergence condition of rocking, this axial fan's steady operation has been guaranteed, reduce the noise that this axial fan sent.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a novel axial fan, includes base (2), dryer (1) of fixed connection on base (2), support frame (7) of fixed connection in dryer (1), servo motor (6) and impeller (5) of fixed connection on the output of servo motor (6) on support frame (7) of fixed connection, its characterized in that: the utility model discloses an impeller (5) air dryer, including impeller (5), outer lane fixedly connected with go-between (8) of impeller (5), there is the clearance between the periphery wall of go-between (8) and the internal perisporium of dryer (1), the internal perisporium of dryer (1) is towards a plurality of spacing subassemblies of its air intake one side fixedly connected with, spacing subassembly is contradicted towards air intake one side of dryer (1) with go-between (8), spacing subassembly is used for taking place relative rotation with go-between (8).
2. The novel axial flow fan according to claim 1, characterized in that: the limiting component comprises a connecting sheet (9) fixedly connected with the inner peripheral wall of the air duct (1), a connecting block (10) fixedly connected with the connecting sheet (9) and a baffle sheet (12) fixedly connected with the connecting block (10), one side of the connecting block (10) facing the baffle (12) is provided with an arc-shaped groove (11), the circle center of the arc-shaped groove (11) is the same as that of the air duct (1), a through groove (16) is arranged on the baffle plate (12), the ball bearings (13) positioned in the arc-shaped groove (11) and the through groove (16) are connected between the connecting block (10) and the baffle plate (12) in a rolling way, the sum of the groove depths of the arc-shaped groove (11) and the through groove (16) is less than the diameter of the ball (13), the inner peripheral wall of the through groove (16) is attached to the outer surface of the ball (13), and the ball (13) and the connecting ring (8) are abutted against one side of the air inlet of the air duct (1).
3. The novel axial flow fan according to claim 2, characterized in that: threaded holes I (17) and threaded holes II are respectively formed in the blocking piece (12) and the connecting block (10) along the thickness direction of the blocking piece, and the threaded holes I (17) and the threaded holes II which are coaxially arranged are in threaded connection with a first fastening piece.
4. The novel axial flow fan according to claim 3, characterized in that: the connecting piece (9) is connected with the inner peripheral wall of the air duct (1) through a second fastening piece (15).
5. The novel axial flow fan according to claim 2, characterized in that: and a reinforcing block (14) is fixedly connected between the connecting block (10) and the top surface of the connecting sheet (9).
6. The novel axial flow fan according to claim 4, characterized in that: both ends of the air duct (1) are fixedly connected with a mesh enclosure (3) through a fastener III (4).
7. The novel axial flow fan according to claim 6, characterized in that: the first fastener, the second fastener (15) and the third fastener (4) are fastening bolts.
8. The novel axial flow fan according to claim 1, characterized in that: the outer surface of the impeller (5) is coated with a polytetrafluoroethylene coating, and the thickness of the polytetrafluoroethylene coating is 20-35 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020821872.5U CN212225564U (en) | 2020-05-18 | 2020-05-18 | Novel axial flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020821872.5U CN212225564U (en) | 2020-05-18 | 2020-05-18 | Novel axial flow fan |
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| Publication Number | Publication Date |
|---|---|
| CN212225564U true CN212225564U (en) | 2020-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020821872.5U Active CN212225564U (en) | 2020-05-18 | 2020-05-18 | Novel axial flow fan |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113464471A (en) * | 2021-07-19 | 2021-10-01 | 江西增鑫科技股份有限公司 | Poultry fan system |
-
2020
- 2020-05-18 CN CN202020821872.5U patent/CN212225564U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113464471A (en) * | 2021-07-19 | 2021-10-01 | 江西增鑫科技股份有限公司 | Poultry fan system |
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