CN214837275U - Fan blade hub anti-drop device for industrial ceiling fan - Google Patents
Fan blade hub anti-drop device for industrial ceiling fan Download PDFInfo
- Publication number
- CN214837275U CN214837275U CN202121428308.8U CN202121428308U CN214837275U CN 214837275 U CN214837275 U CN 214837275U CN 202121428308 U CN202121428308 U CN 202121428308U CN 214837275 U CN214837275 U CN 214837275U
- Authority
- CN
- China
- Prior art keywords
- plate
- wheel hub
- hub
- falling
- limiting plate
- 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.)
- Active
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses an industry is flabellum wheel hub dropout prevention means for ceiling fan, including frame body, motor body and flabellum wheel hub body, the frame bearing plate that the bottom of frame body set up for the level, motor body is located inside and fixed mounting of frame body frame bearing plate top surface. Has the advantages that: the utility model discloses a prevent weighing down the opening at the middle part of wheel hub anticreep board has been seted up, wheel hub anticreep board's top is provided with the limiting plate even as an organic whole with axle sleeve body and impeller hub body simultaneously, and prevent weighing down the vertical passing through of the unable limiting plate that makes of open-ended size, so when the axle sleeve body falls with the unexpected separately or the motor shaft fracture of motor shaft and causes impeller hub body tenesmus, descend through the limiting plate and can prevent impeller hub body further break away from the frame and the tenesmus falls to the ground by the spacing mode of wheel hub anticreep board bearing, the emergence of serious incident has been avoided, be favorable to the security performance when hoisting device uses.
Description
Technical Field
The utility model relates to an industry ceiling fan auxiliary assembly field, concretely relates to industry is fan wheel hub dropout prevention means for ceiling fan.
Background
The industrial ceiling fan is a large space such as widely used in industrial factory building, logistics storage, waiting room, exhibition hall, gymnasium, trade super etc. as space ventilation, a kind of common industrial equipment of personnel's cooling, current industrial ceiling fan, its blade has several meters to ten meters to vary, the motor rotates and drives the operation of blade propeller, the blade makes cutting air motion with the horizontal plane certain angle, thereby produce wind-force, but current industrial ceiling fan does not set up fan impeller hub anti-drop function when designing, when the axletree cover separates with the motor shaft accident or the motor shaft breaks apart, can directly cause fan impeller hub and flabellum to break away from the frame and the tenesmus falls to the ground, take place serious incident easily.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an industry is flabellum wheel hub dropout prevention means for ceiling fan in order to solve above-mentioned problem, the middle part of wheel hub anticreep board has been seted up and has been prevented weighing down the opening, the top of wheel hub anticreep board is provided with the limiting plate even as an organic whole with axle sleeve body and flabellum wheel hub body simultaneously, and prevent weighing down the unable vertical passing through of limiting plate that makes of open-ended size, so when the axle sleeve body separates with the motor shaft accident or the motor shaft fracture causes flabellum wheel hub body tenesmus, descend through the limiting plate and can prevent that the flabellum wheel hub body further breaks away from the frame and the tenesmus falls to the ground by the spacing mode of wheel hub anticreep board bearing, explain in detail below.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a fan impeller hub anti-drop device for industrial ceiling fan, including frame body, motor body and fan impeller hub body, the bottom of frame body is the frame bearing plate that the level set up, the motor body is located inside the frame body and fixed mounting is in the frame bearing plate top surface, and the motor shaft of motor body bottom stretches out the frame bearing plate with clearance fit;
the lower part of the motor shaft is provided with the impeller hub body which can horizontally and circumferentially rotate through a connecting assembly, and the impeller hub body is positioned below the bearing plate of the rack;
the mounting hole has all been seted up to the corner of frame bearing plate body, mounting hole fixed mounting has wheel hub anti-drop structure, just wheel hub anti-drop structure's bottom is located the frame bearing plate with between the impeller hub body.
Preferably, the connecting assembly is specifically: the coaxial clearance fit in lower part of motor shaft has the axle sleeve body, just the same axle sleeve body of impeller hub body is in the lower part of axle sleeve body, the coaxial clearance fit in upper portion of motor shaft has the limiting plate that is used for taut axle sleeve body, just the limiting plate is located the below of frame bearing plate, the coaxial axle head clamp plate that is provided with in bottom surface of impeller hub body, the limiting plate with impeller hub body passes through the limiting plate with the mode fixed connection of vertical many tensioning bolt two of interlude between the axle head clamp plate, just tensioning bolt two is located the limiting plate bottom surface with the equal coaxial sleeve two that is provided with of part between the impeller hub body top surface is used for the restriction limiting plate bottom surface with interval between the impeller hub body top surface.
Preferably, the hub anti-drop structure comprises a hub anti-drop plate and a first tensioning bolt, the hub anti-drop plate is horizontally arranged and located between the limiting plate and the impeller hub body, a plurality of first tensioning bolts are vertically inserted into the periphery of the hub anti-drop plate, and the first tensioning bolts and the mounting holes are matched one by one and are inserted and fixed, the parts of the first tensioning bolts, which are positioned between the bottom surface of the bearing plate of the frame and the top surface of the anti-falling plate of the wheel hub, are coaxially provided with a first sleeve, used for limiting the distance between the bottom surface of the bearing plate of the frame and the top surface of the wheel hub anti-falling plate, so that the limiting plate is positioned above the wheel hub anti-drop plate, the middle part of the wheel hub anti-drop plate is provided with an anti-drop opening, the limiting plate is used for limiting the limit plate to vertically pass through and enabling the shaft sleeve body and the tensioning bolt II to follow the circumferential rotation of the motor shaft.
Preferably, the limiting plate is a circular ring plate, the anti-falling opening is a circular hole, and the diameter of the opening of the matching hole is smaller than the outer diameter of the limiting plate but larger than the revolving diameter of the sleeve II following the circumferential rotation of the motor shaft.
Preferably, the first sleeve and the second sleeve are both steel sleeves, the first sleeve is in clearance fit with the corresponding first tensioning bolt, and the second sleeve is in clearance fit with the corresponding second tensioning bolt.
Preferably, the hub anti-dropping plate is a rectangular plate and the distance between the hub anti-dropping plate and the limiting plate is not more than 10 mm.
Preferably, the second tensioning bolts and the first tensioning bolts are uniformly distributed in the circumferential direction.
By adopting the anti-falling device for the impeller hub of the industrial ceiling fan, during design, the anti-falling opening is formed in the middle of the anti-falling plate of the hub to limit the limiting plate from vertically passing through and enable the shaft sleeve body and the tensioning bolt to smoothly follow the circumferential rotation of the motor shaft, when the impeller hub body is driven by the motor shaft through the connecting assembly to rotate circumferentially, and when the motor shaft is accidentally separated from the connecting assembly, the impeller hub body can drive the connecting assembly to fall along the axial direction of the motor shaft, the limiting plate is in immediate falling contact until contacting with the anti-falling plate of the hub, and as the limiting plate cannot pass through the anti-falling opening of the anti-falling plate of the hub, the limiting plate is in limited bearing by the anti-falling plate of the hub after contacting with the anti-falling plate of the hub, so as to prevent the impeller hub body from further separating from the rack body and falling to the ground, the occurrence of serious safety accidents is avoided, and the safety performance of the device in use is improved.
Has the advantages that: the utility model discloses a prevent weighing down the opening at the middle part of wheel hub anticreep board has been seted up, wheel hub anticreep board's top is provided with the limiting plate even as an organic whole with axle sleeve body and impeller hub body simultaneously, and prevent weighing down the vertical passing through of the unable limiting plate that makes of open-ended size, so when the axle sleeve body falls with the unexpected separately or the motor shaft fracture of motor shaft and causes impeller hub body tenesmus, descend through the limiting plate and can prevent impeller hub body further break away from the frame and the tenesmus falls to the ground by the spacing mode of wheel hub anticreep board bearing, the emergence of serious incident has been avoided, be favorable to the security performance when hoisting device uses.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an overall front view schematic diagram of the present invention;
fig. 2 is a schematic partial front view of fig. 1 in accordance with the present invention;
FIG. 3 is an isometric view of FIG. 2 of the present invention;
FIG. 4 is an isometric view of FIG. 1 of the present invention;
fig. 5 is a left side view schematically illustrating fig. 1 according to the present invention.
The reference numerals are explained below:
1. a frame body; 101. a frame bearing plate; 2. a motor body; 201. a motor shaft; 3. a fan wheel hub body; 4. the hub anti-falling structure; 401. a first sleeve; 402. a hub anti-drop plate; 403. tensioning the first bolt; 404. an anti-falling opening; 5. a connecting assembly; 501. a second sleeve; 502. tensioning a second bolt; 503. a shaft end pressing plate; 504. a limiting plate; 505. the axle sleeve body.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of 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.
Referring to fig. 1-5, the utility model provides an industry is fan wheel hub dropout prevention means for ceiling fan, including frame body 1, motor body 2 and fan wheel hub body 3, the frame bearing plate 101 that the bottom of frame body 1 set up for the level, and motor body 2 is located frame body 1 inside and fixed mounting at frame bearing plate 101 top surface, and the motor shaft 201 of motor body 2 bottom stretches out frame bearing plate 101 with clearance fit's mode. The lower part of the motor shaft 201 is provided with a fan wheel hub body 3 which can horizontally and circumferentially rotate through a connecting component 5, and the fan wheel hub body 3 is positioned below the rack bearing plate 101. Mounting holes have all been seted up to the corner of frame bearing plate 101 body, and mounting hole fixed mounting has wheel hub anti-drop structure 4, and the bottom of wheel hub anti-drop structure 4 is located between frame bearing plate 101 and impeller hub body 3.
As a preferred scheme in the present application, the connecting assembly 5 specifically includes: a shaft sleeve body 505 is coaxially and clearance-fitted at the lower part of the motor shaft 201, the impeller hub body 3 is coaxially arranged at the lower part of the shaft sleeve body 505, a limit plate 504 for tensioning the shaft sleeve body 505 is coaxially and clearance-fitted at the upper part of the motor shaft 201, the limit plate 504 is positioned below the rack bearing plate 101, a shaft end pressure plate 503 is coaxially arranged at the bottom surface of the impeller hub body 3, the limit plate 504 and the impeller hub body 3 are fixedly connected in a manner of vertically penetrating a plurality of tension bolts II 502 through the limit plate 504 and the shaft end pressure plate 503, and a sleeve II 501 is coaxially arranged at the part of the tension bolt II 502 between the bottom surface of the limit plate 504 and the top surface of the impeller hub body 3 for limiting the space between the bottom surface of the limit plate 504 and the top surface of the impeller hub body 3, so arranged, the impeller hub body 3 and the motor shaft 201 are conveniently connected into a whole through the connecting assembly 5, then, the connecting assembly 5 and the impeller hub body 3 can be driven to rotate horizontally and circumferentially together by the rotation of the motor shaft 201.
The hub anti-falling structure 4 comprises a hub anti-falling plate 402 and a tension bolt I403, the hub anti-falling plate 402 is horizontally arranged and positioned between the limiting plate 504 and the impeller hub body 3, a plurality of tension bolts I403 are vertically inserted in the periphery of the hub anti-falling plate 402, the tension bolts I403 are in one-to-one correspondence with the mounting holes and are inserted and fixed, a sleeve I401 is coaxially arranged at the part of the tension bolt I403 positioned between the bottom surface of the rack bearing plate 101 and the top surface of the hub anti-falling plate 402 to limit the space between the bottom surface of the rack bearing plate 101 and the top surface of the hub anti-falling plate 402, so that the limiting plate 504 is positioned above the hub anti-falling plate 402, an anti-falling opening 404 is arranged in the middle of the hub anti-falling plate 402 to limit the limiting plate 504 to be incapable of passing vertically and enable the shaft sleeve body 505 and the tension bolts II 502 to rotate along the circumferential direction of the motor shaft 201, and thus, the arrangement is convenient for preventing the impeller hub anti-falling structure 4 from further separating from the rack and falling to fall to the ground, avoiding serious safety accidents.
Limiting plate 504 is the ring plate, prevents weighing down opening 404 and is the round hole, and the external diameter that the mating holes open-ended diameter is less than limiting plate 504 nevertheless is greater than two 501 follow motor shaft 201 circumferential direction's of sleeve gyration diameters, so sets up, limiting plate 504 tenesmus in-process of being convenient for can't be through preventing weighing down opening 404, then can be by the bearing of wheel hub anticreep board 402, be convenient for simultaneously prevent weighing down opening 404 and interfere the smooth circumferential direction of coupling assembling 5 and impeller hub body 3.
Sleeve one 401 and sleeve two 501 are the steel sleeve, and sleeve one 401 and the first 403 clearance fit of the tie bolt that corresponds, sleeve two 501 and the two 502 clearance fit of the tie bolt that correspond, so set up, be convenient for restrict the interval between limiting plate 504 bottom surface and the 3 top surfaces of impeller hub body through sleeve two 501, the interval between frame bearing plate 101 bottom surface and the wheel hub anticreep board 402 top surface is restricted in setting up through sleeve one 401 simultaneously, then can make limiting plate 504 be located the top of wheel hub anticreep board 402, ensure that setting up of wheel hub anticreep board 402 can not interfere the smooth circumferential direction of coupling assembling 5 and impeller hub body 3, can play good protect function of preventing falling simultaneously.
Wheel hub anticreep board 402 is the rectangular plate and is not more than 10mm with the interval between the limiting plate 504, so set up, be convenient for prevent between limiting plate 504 and the wheel hub anticreep board 402 interval too big and cause the limiting plate 504 tenesmus to wheel hub anticreep board 402 rigidity impact too big and damage, two 502 and the equal circumference equipartition of 403 tensioning bolt sets up, so set up, be convenient for promote the firm nature of connection through the mode that two 502 and one 403 equipartitions of tensioning bolt set up, can ensure fan wheel hub body 3 simultaneously because the atress is even and the circumference horizontal rotation that can be more steady.
By adopting the structure, in the design, because the middle part of the hub anti-falling plate 402 is provided with the anti-falling opening 404 for limiting the limit plate 504 from vertically passing through and enabling the shaft sleeve body 505 and the tension bolt II 502 to smoothly rotate along the circumferential direction of the motor shaft 201, when the impeller hub body 3 is driven by the motor shaft 201 through the connecting component 5 to rotate along the circumferential direction, when the motor shaft 201 is accidentally separated from the connecting component 5, the impeller hub body 3 can drive the connecting component 5 to fall along the axial direction of the motor shaft 201, the limit plate 504 immediately falls to contact with the hub anti-falling plate 402, because the limit plate 504 cannot pass through the anti-falling opening 404 of the hub anti-falling plate 402, the limit plate 504 is supported and limited by the hub anti-falling plate 402 after contacting the hub anti-falling plate 402, thereby preventing the impeller hub body 3 from further separating from the frame body 1 and falling to the ground, and avoiding the occurrence of serious safety accidents, the safety performance of the device in use is improved.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. The utility model provides an industry is fan wheel hub dropout prevention means for ceiling fan, includes frame body (1), motor body (2) and fan wheel hub body (3), its characterized in that: the bottom of the rack body (1) is a horizontally arranged rack bearing plate (101), the motor body (2) is positioned in the rack body (1) and is fixedly arranged on the top surface of the rack bearing plate (101), and a motor shaft (201) at the bottom of the motor body (2) extends out of the rack bearing plate (101) in a clearance fit manner;
the lower part of the motor shaft (201) is provided with the impeller hub body (3) which can horizontally and circumferentially rotate through a connecting component (5), and the impeller hub body (3) is positioned below the rack bearing plate (101);
the mounting hole has all been seted up to the corner of frame bearing plate (101) body, mounting hole fixed mounting has wheel hub anti-drop structure (4), just the bottom of wheel hub anti-drop structure (4) is located frame bearing plate (101) with between fan wheel hub body (3).
2. The anti-drop device for the impeller hub of the industrial ceiling fan as claimed in claim 1, wherein: the connecting component (5) is specifically: the coaxial clearance fit in the lower part of motor shaft (201) has axle sleeve body (505), and the coaxial cover body (505) of impeller hub body (3) is in the lower part of axle sleeve body (505), the coaxial clearance fit in the upper part of motor shaft (201) has limiting plate (504) that is used for taut axle sleeve body (505), just limiting plate (504) are located the below of frame bearing plate (101), the bottom surface coaxial of impeller hub body (3) is provided with axle head clamp plate (503), limiting plate (504) with impeller hub body (3) through limiting plate (504) with the mode fixed connection of the vertical many tensioning bolts two (502) of interlude between axle head clamp plate (503), and tensioning bolts two (502) are located the part between limiting plate (504) bottom surface and impeller hub body (3) all coaxial sleeve two (501) that is provided with, the spacing between the bottom surface of the limit plate (504) and the top surface of the fan impeller hub body (3) is limited.
3. The anti-drop device of claim 2, wherein the impeller hub comprises a first end and a second end, the first end of the impeller hub is connected to the first end of the impeller hub, and the second end of the impeller hub is connected to the second end of the impeller hub: the wheel hub anti-falling structure (4) comprises a wheel hub anti-falling plate (402) and a tension bolt I (403), the wheel hub anti-falling plate (402) is horizontally arranged and located between the limiting plate (504) and the fan wheel hub body (3), a plurality of tension bolts I (403) are vertically inserted into the periphery of the wheel hub anti-falling plate (402), the tension bolts I (403) are matched with the mounting holes one by one and fixedly inserted into the mounting holes one by one, a sleeve I (401) is coaxially arranged on the part, located between the bottom surface of the rack bearing plate (101) and the top surface of the wheel hub anti-falling plate (402), of the tension bolt I (403) for limiting the distance between the bottom surface of the rack bearing plate (101) and the top surface of the wheel hub anti-falling plate (402), so that the limiting plate (504) is located above the wheel hub anti-falling plate (402), and an anti-falling opening (404) is arranged in the middle of the wheel hub anti-falling plate (402), the limiting plate (504) is limited from vertically passing through, and the bushing body (505) and the second tensioning bolt (502) can rotate along with the circumferential direction of the motor shaft (201).
4. The anti-drop device of claim 3, wherein: the limiting plate (504) is a circular ring plate, the anti-falling opening (404) is a circular hole, and the diameter of the opening of the matching hole is smaller than the outer diameter of the limiting plate (504) but larger than the revolving diameter of the sleeve II (501) which follows the circumferential rotation of the motor shaft (201).
5. The anti-drop device of claim 4, wherein the anti-drop device comprises: the first sleeve (401) and the second sleeve (501) are both steel sleeves, the first sleeve (401) is in clearance fit with the corresponding first tensioning bolt (403), and the second sleeve (501) is in clearance fit with the corresponding second tensioning bolt (502).
6. The anti-drop device of claim 5, wherein the anti-drop device comprises: the hub anti-falling plate (402) is a rectangular plate and the distance between the hub anti-falling plate and the limiting plate (504) is not more than 10 mm.
7. The anti-drop device for impeller hub of industrial ceiling fan as claimed in claim 5 or 6, wherein: the second tensioning bolts (502) and the first tensioning bolts (403) are uniformly distributed in the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121428308.8U CN214837275U (en) | 2021-06-25 | 2021-06-25 | Fan blade hub anti-drop device for industrial ceiling fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121428308.8U CN214837275U (en) | 2021-06-25 | 2021-06-25 | Fan blade hub anti-drop device for industrial ceiling fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214837275U true CN214837275U (en) | 2021-11-23 |
Family
ID=78810142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121428308.8U Active CN214837275U (en) | 2021-06-25 | 2021-06-25 | Fan blade hub anti-drop device for industrial ceiling fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214837275U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542498A (en) * | 2022-02-26 | 2022-05-27 | 苏州郎昊工业科技有限公司 | Large industrial fan with function of cleaning floating dust of fan blades |
-
2021
- 2021-06-25 CN CN202121428308.8U patent/CN214837275U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542498A (en) * | 2022-02-26 | 2022-05-27 | 苏州郎昊工业科技有限公司 | Large industrial fan with function of cleaning floating dust of fan blades |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214837275U (en) | Fan blade hub anti-drop device for industrial ceiling fan | |
| CN215136236U (en) | Convenient fire extinguishing device for ship | |
| CN207807600U (en) | A kind of draught fan impeller dismantling device | |
| CN209859052U (en) | Computer machine case protector | |
| CN212272601U (en) | Industrial large fan | |
| CN213118125U (en) | Satellite signal receiver | |
| CN211405204U (en) | High-strength power distribution cabinet | |
| CN214404095U (en) | Fan impeller's reinforcing apparatus | |
| CN212272599U (en) | Large industrial fan with multiple protection functions | |
| CN221042600U (en) | Magnetic stirring outer magnetic rotor installation lifting device | |
| CN221116644U (en) | Milling machine cutter head dismounting device | |
| CN206172924U (en) | Bucket elevator anti -inversion device | |
| CN2226052Y (en) | Rotation preventing device | |
| CN211366086U (en) | Turning device for screw main machine | |
| CN218760991U (en) | Vertical slewing bearing | |
| CN218434662U (en) | Steel wire rope tensioning device of tower crane | |
| CN213167689U (en) | Flexible encircling type motor connecting structure | |
| CN218207203U (en) | Safety protection device of vertical vacuum pump | |
| CN216105487U (en) | Traction machine | |
| CN215844910U (en) | Safety protection device for wire drawing machine | |
| CN217458760U (en) | Safety alarm device for unmanned forklift based on electromagnetic signals | |
| CN216555040U (en) | Novel pneumatic tire clutch for ship | |
| CN215832748U (en) | A verifying attachment for stopping take off rubber ring | |
| CN110176823B (en) | Protection device for high-speed flywheel under fault state and flywheel energy storage unit | |
| CN221323934U (en) | Monitoring and early warning device for safety supervision of electromechanical installation engineering |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |