CN217999971U - Mounting structure of fan blade - Google Patents
Mounting structure of fan blade Download PDFInfo
- Publication number
- CN217999971U CN217999971U CN202221721718.6U CN202221721718U CN217999971U CN 217999971 U CN217999971 U CN 217999971U CN 202221721718 U CN202221721718 U CN 202221721718U CN 217999971 U CN217999971 U CN 217999971U
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- baffle
- blade
- locking bolt
- keyway
- mounting structure
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Abstract
The utility model relates to a fan blade installation field specifically discloses a fan blade's mounting structure, include: the middle part of the blade is provided with a blade mounting sleeve, and a mounting shaft is inserted in the blade mounting sleeve; the baffle is arranged at the end part of the mounting shaft, the surface of the baffle is connected with a flat key, and the surface of the baffle is connected with a first connecting ring; the locking bolt is inserted into the baffle plate, and a second connecting ring is arranged on the surface of the locking bolt; the beneficial effects are that: make locking bolt drive baffle remove to the direction of keeping away from installation axle through rotating locking bolt, the baffle drives the parallel key and takes out from between a keyway and No. two keyways, can accomplish the dismantlement of blade, during the installation blade, establish the surface of installation axle with blade installation cover, insert between a keyway and No. two keyways with the parallel key, it pastes the surface of tight tip at installation axle and blade installation cover to rotate locking bolt drive baffle, fix the blade installation cover on the surface of installation axle, accomplish the installation of blade.
Description
Technical Field
The utility model relates to a fan blade installation field specifically is a fan blade's mounting structure.
Background
The fan is a driven fluid machine which relies on input mechanical energy to improve gas pressure and discharge gas;
in the existing fan blade mounting process, a blade is sleeved on a mounting shaft through a mounting sleeve, then a flat key is inserted into key grooves of the fan and a blade mounting sleeve, and then the blade mounting sleeve is locked with the mounting shaft through a locking bolt;
however, the fan blade needs to be maintained frequently, the blade needs to be detached from the mounting shaft during maintenance of the fan blade, and when the mounting sleeve of the blade is detached from the mounting shaft, a special tool needs to be used for ejecting the flat key out of the key groove, so that the operation is complicated, the fan blade cannot be detached without a tool, and the fan blade is inconvenient to detach and mount.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fan blade's mounting structure to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: a fan blade mounting structure, comprising:
the fan comprises a fan main body, wherein blades are arranged inside the fan main body, blade mounting sleeves are arranged in the middle of the blades, and mounting shafts are inserted inside the blade mounting sleeves;
the baffle is arranged at the end part of the mounting shaft, the surface of the baffle is connected with a flat key, and the surface of the baffle is connected with a first connecting ring;
the locking bolt is inserted in the baffle plate, and a second connecting ring is arranged on the surface of the locking bolt.
Preferably, blade installation cover and blade fixed connection, a keyway has been seted up to the inner wall of blade installation cover, and a keyway has been seted up two sets ofly, and two sets of keyway symmetric distribution are in the both sides of the inner wall of blade installation cover.
Preferably, the installation axle passes through shaft coupling and motor output shaft, and the inner wall of installation axle and blade installation cover slides and sets up, and No. two keyways have been seted up on the surface of installation axle, and No. two sets of keyways have been seted up, and two sets of No. two keyways correspond with two sets of keyways, and the locking screw has been seted up to the tip of installation axle.
Preferably, the baffle is a circular ring plate-shaped structure, the outer diameter of the baffle is larger than the diameter of the mounting shaft, a plurality of groups of elastic clamping balls are fixedly arranged on the surface of the baffle, and the plurality of groups of elastic clamping balls are distributed in a circumferential array.
Preferably, the flat keys are provided with two groups, the flat keys are inserted between the first key groove and the second key groove in a sliding mode, and the flat keys are fixedly connected with the baffle.
Preferably, the first connecting ring is of an annular structure with an L-shaped section and is fixedly connected with the baffle.
Preferably, the locking bolt passes through the inner part of the baffle plate and is connected to the inner part of the locking screw hole in a rotating mode through threads.
Preferably, the second connecting ring is fixedly connected to one side, close to the baffle, of the control cap of the locking bolt, the locking bolt is rotatably connected with the first connecting ring through the second connecting ring, a plurality of groups of arc-shaped anti-skidding grooves are formed in one side, close to the baffle, of the second connecting ring, and the arc-shaped anti-skidding grooves correspond to the elastic clamping balls.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a mounting structure of fan blade, when dismantling the blade, make locking bolt drive the baffle and remove to the direction of keeping away from installation axle through rotating locking bolt, the baffle drives the parallel key and takes out from between keyway and No. two keyways, then take off blade installation cover from the surface of installation axle, can accomplish the dismantlement of blade, during the installation blade, establish the surface of installation axle with blade installation cover, make keyway and No. two keyways align, insert between keyway and No. two keyways with the parallel key, it pastes the surface of tight tip at installation axle and blade installation cover to rotate locking bolt drive baffle, fix the parallel key between keyway and No. two keyways, fix the surface at the installation axle with blade installation cover simultaneously, accomplish the installation of blade, when having solved the installation cover of blade and having dismantled from the installation axle, it is ejecting from the keyway to need to use specialized tool, complex operation's problem.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the blade mounting sleeve of the present invention;
FIG. 3 is a schematic sectional view of the locking bolt of the present invention;
FIG. 4 is a schematic sectional view of the baffle of the present invention;
fig. 5 is a schematic sectional view of the blade of the present invention.
In the figure: the fan comprises a fan main body 1, blades 2, a blade mounting sleeve 3, a first key groove 31, a baffle 4, a flat key 41, a first connecting ring 42, an elastic clamping ball 43, a locking bolt 5, a second connecting ring 51, an arc-shaped anti-skidding groove 52, a mounting shaft 6, a second key groove 61 and a locking screw hole 62.
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. 1-5, the present invention provides a technical solution:
the first embodiment is as follows:
a fan blade mounting structure, comprising: a blade 2 is arranged in the fan main body 1, a blade mounting sleeve 3 is arranged in the middle of the blade 2, and a mounting shaft 6 is inserted in the blade mounting sleeve 3; the baffle 4 is arranged at the end part of the mounting shaft 6, the surface of the baffle 4 is connected with a flat key 41, and the surface of the baffle 4 is connected with a first connecting ring 42; the blade mounting sleeve 3 is fixedly connected with the blade 2, a first key groove 31 is formed in the inner wall of the blade mounting sleeve 3, two groups of first key grooves 31 are formed in the first key groove 31, and the two groups of first key grooves 31 are symmetrically distributed on two sides of the inner wall of the blade mounting sleeve 3; the mounting shaft 6 is connected with a motor output shaft through a coupler, the mounting shaft 6 is arranged on the inner wall of the blade mounting sleeve 3 in a sliding mode, a second key groove 61 is formed in the surface of the mounting shaft 6, two groups of second key grooves 61 are formed, the two groups of second key grooves 61 correspond to the two groups of first key grooves 31, and a locking screw hole 62 is formed in the end portion of the mounting shaft 6; the locking bolt 5 is inserted into the baffle 4, and a second connecting ring 51 is arranged on the surface of the locking bolt 5; when dismantling blade 2, make locking bolt 5 drive baffle 4 and remove to the direction of keeping away from installation axle 6 through rotating locking bolt 5, baffle 4 drives flat key 41 and takes out from between keyway 31 and No. two keyways 61, then take off blade installation cover 3 from the surface of installation axle 6, can accomplish the dismantlement of blade 2, during installation blade 2, establish the surface of installation axle 6 with 3 covers of blade installation cover, make keyway 31 align with No. two keyways 61, insert between keyway 31 and No. two keyways 61 with flat key 41, rotate locking bolt 5 and drive baffle 4 and paste the surface at the tip of installation axle 6 with blade installation cover 3, fix flat key 41 between keyway 31 and No. two keyways 61, fix blade installation cover 3 on the surface of installation axle 6 simultaneously, accomplish the installation of blade 2.
Example two:
on the basis of the first embodiment, in order to realize the disassembly and assembly of the flat key 41, the baffle 4 is in a circular ring plate-shaped structure, the outer diameter of the baffle 4 is larger than the diameter of the mounting shaft 6, a plurality of groups of elastic clamping balls 43 are fixedly arranged on the surface of the baffle 4, and the plurality of groups of elastic clamping balls 43 are distributed in a circumferential array; the flat keys 41 are arranged in two groups, the flat keys 41 are inserted between the first key groove 31 and the second key groove 61 in a sliding mode, and the flat keys 41 are fixedly connected with the baffle 4; the locking bolt 5 penetrates through the inner part of the baffle plate 4 and is connected with the inner part of the locking screw hole 62 in a rotating way through threads; because flat key 41 and baffle 4 fixed connection, when driving baffle 4 through locking bolt 5 and remove, baffle 4 drives flat key 41 synchronous motion, has realized inserting and extracting between keyway 31 and No. two keyways 61 through rotating locking bolt 5 drive flat key 41.
Example three:
on the basis of the second embodiment, in order to realize that the locking bolt 5 drives the baffle 4 to move, the first connecting ring 42 is in an annular structure with an L-shaped section, and the first connecting ring 42 is fixedly connected with the baffle 4; the second connecting ring 51 is fixedly connected to one side, close to the baffle 4, of the control cap of the locking bolt 5, the locking bolt 5 and the baffle 4 are rotatably connected with the first connecting ring 42 through the second connecting ring 51, a plurality of groups of arc-shaped anti-skidding grooves 52 are formed in one side, close to the baffle 4, of the second connecting ring 51, and the arc-shaped anti-skidding grooves 52 correspond to the elastic clamping balls 43; because locking bolt 5 and baffle 4 rotate through go-between 42 and No. two go-between 51 and be connected, flat key 41 inserts between keyway 31 and No. two keyway 61, when rotating locking bolt 5, baffle 4 does not rotate, locking bolt 5 drives baffle 4 through go-between 51 and No. one go-between 42 and removes, arc anti-skidding groove 52 has increased locking bolt 5 pivoted frictional force with the cooperation of elastic card ball 43 simultaneously, locking bolt 5 takes place not hard up risk in having reduced fan main part 1 use.
Referring to fig. 1 to 5, when detaching the blade 2, the locking bolt 5 is rotated to drive the baffle 4 to move in a direction away from the mounting shaft 6, the baffle 4 drives the flat key 41 to be drawn out from between the first key groove 31 and the second key groove 61, and then the blade mounting sleeve 3 is taken down from the surface of the mounting shaft 6, so as to complete the detachment of the blade 2, when the blade 2 is mounted, the blade mounting sleeve 3 is sleeved on the surface of the mounting shaft 6, so that the first key groove 31 is aligned with the second key groove 61, the flat key 41 is inserted between the first key groove 31 and the second key groove 61, the locking bolt 5 is rotated to drive the baffle 4 to be tightly attached to the surfaces of the ends of the mounting shaft 6 and the blade mounting sleeve 3, the flat key 41 is fixed between the first key groove 31 and the second key groove 61, and the blade mounting sleeve 3 is fixed on the surface of the mounting shaft 6, so as to complete the mounting of the blade 2, and meanwhile, the arc-shaped groove 52 is matched with the elastic clamping ball 43 to increase the rotating friction force of the locking bolt 5, thereby reducing the risk of loosening of the blower main body 1 during the use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 (8)
1. The utility model provides a fan blade's mounting structure which characterized in that: the mounting structure of the fan blade includes:
the fan comprises a fan main body (1), wherein blades (2) are arranged inside the fan main body (1), a blade mounting sleeve (3) is arranged in the middle of each blade (2), and a mounting shaft (6) is inserted into the blade mounting sleeve (3);
the baffle (4), the baffle (4) is arranged at the end of the mounting shaft (6), the surface of the baffle (4) is connected with a flat key (41), and the surface of the baffle (4) is connected with a first connecting ring (42);
the locking bolt (5) is inserted in the baffle (4), and the surface of the locking bolt (5) is provided with a second connecting ring (51).
2. A fan blade mounting structure according to claim 1, wherein: blade installation cover (3) and blade (2) fixed connection, keyway (31) have been seted up No. one to the inner wall of blade installation cover (3), and keyway (31) have been seted up two sets ofly, and keyway (31) symmetric distribution is in the both sides of the inner wall of blade installation cover (3) No. two sets of.
3. A fan blade mounting structure according to claim 2, wherein: installation axle (6) are connected with the motor output shaft through the shaft coupling, and installation axle (6) slide with the inner wall of blade installation cover (3) and set up, and No. two keyway (61) have been seted up on the surface of installation axle (6), and No. two sets of keyway (61) have been seted up two sets of, and two sets of keyway (61) correspond with two sets of keyway (31), and locking screw (62) have been seted up to the tip of installation axle (6).
4. A fan blade mounting structure according to claim 3, wherein: baffle (4) are ring shape platelike structure, and the external diameter of baffle (4) is greater than the diameter of installation axle (6), and the table of baffle (4) is fixed and is provided with multiunit elasticity card ball (43), and multiunit elasticity card ball (43) are the circumference array and distribute.
5. The fan blade mounting structure according to claim 4, wherein: the flat keys (41) are arranged in two groups, the flat keys (41) are inserted between the first key groove (31) and the second key groove (61) in a sliding mode, and the flat keys (41) are fixedly connected with the baffle (4).
6. The fan blade mounting structure according to claim 5, wherein: the first connecting ring (42) is of an annular structure with an L-shaped section, and the first connecting ring (42) is fixedly connected with the baffle (4).
7. The fan blade mounting structure according to claim 6, wherein: the locking bolt (5) penetrates through the inner part of the baffle (4) and then is rotatably connected to the inner part of the locking screw hole (62) through threads.
8. A fan blade mounting structure according to claim 7, wherein: no. two go-between (51) fixed connection is in the one side that the control cap of locking bolt (5) is close to baffle (4), and locking bolt (5) and baffle (4) are connected through No. two go-between (51) and go-between (42) rotation, and No. two go-between (51) are close to the one side of baffle (4) and have been seted up multiunit arc antiskid groove (52), and arc antiskid groove (52) are corresponding with elasticity card ball (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221721718.6U CN217999971U (en) | 2022-07-04 | 2022-07-04 | Mounting structure of fan blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221721718.6U CN217999971U (en) | 2022-07-04 | 2022-07-04 | Mounting structure of fan blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217999971U true CN217999971U (en) | 2022-12-09 |
Family
ID=84312125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221721718.6U Active CN217999971U (en) | 2022-07-04 | 2022-07-04 | Mounting structure of fan blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217999971U (en) |
-
2022
- 2022-07-04 CN CN202221721718.6U patent/CN217999971U/en active Active
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