CN111769686A - Variable speed fan drive protection device - Google Patents
Variable speed fan drive protection device Download PDFInfo
- Publication number
- CN111769686A CN111769686A CN202010639258.1A CN202010639258A CN111769686A CN 111769686 A CN111769686 A CN 111769686A CN 202010639258 A CN202010639258 A CN 202010639258A CN 111769686 A CN111769686 A CN 111769686A
- Authority
- CN
- China
- Prior art keywords
- variable speed
- speed fan
- wall
- protection device
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/26—Means for adjusting casings relative to their supports
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a variable speed fan driving protection device which comprises a base, wherein a first fixing seat and a second fixing seat are welded at the top of the base, the first fixing seat is positioned at one side of the second fixing seat, a rod sleeve is welded at the central position of the top of the first fixing seat, a supporting rod is embedded into the top of the rod sleeve, a fastening nut is screwed and connected onto the outer wall of one side of the rod sleeve through threads, a supporting plate is welded at the top end of the supporting rod, a first side plate and a second side plate are fixedly connected to the top of the supporting plate through bolts, and the first side plate is positioned at one side of the second side plate. This variable speed fan drives protection device through two lift seats of relative movement in the vertical direction, can make ball and variable speed fan impeller pivot contact in the recess, and rotation through the ball reduces variable speed fan impeller pivot pivoted frictional force, and effectual countershaft supports, guarantees impeller pivoted stability, reduces the degree of rocking of impeller during operation.
Description
Technical Field
The invention relates to the technical field of variable speed fans, in particular to a drive protection device of a variable speed fan.
Background
The variable speed fan can change the rotating speed of the impeller and is widely applied to agriculture, industry, building industry and animal husbandry.
However, current variable speed fan is at the working process, and the impeller on the variable speed fan can appear rotating unstably and appear eccentric problem, and further reduction variable speed fan's life, the impeller pivot of variable speed fan lack effectual support protection device, and in addition, current variable speed fan can produce vibration noise at the during operation.
Disclosure of Invention
The invention aims to provide a drive protection device of a variable speed fan, which aims to solve the problems that the prior variable speed fan impeller rotating shaft lacks an effective support protection device and the variable speed fan generates vibration noise during working in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a variable speed fan drive protection device comprises a base, wherein a first fixing seat and a second fixing seat are welded at the top of the base, the first fixing seat is positioned on one side of the second fixing seat, a rod sleeve is welded at the central position of the top of the first fixing seat, a supporting rod is embedded in the top of the rod sleeve, a fastening nut is connected to the outer wall of one side of the rod sleeve in a screwing mode through threads, a supporting plate is welded at the top end of the supporting rod, a first side plate and a second side plate are fixedly connected to the top of the supporting plate through bolts, the first side plate is positioned on one side of the second side plate, a left-handed lead screw is rotatably connected to the inner wall of one side of the first side plate through a rotating shaft, a right-handed lead screw is welded at one end of the left-handed lead screw, a screw nut seat is connected to the outer walls of one side of the left-handed lead screw and, the lifting seat is characterized in that a groove is formed in the outer wall of one side of the lifting seat, a ball is embedded into the inner wall of one side of the groove, a sliding rod is welded at the position of the inner center of the second side plate, a sliding block is fixedly connected onto the outer wall of one side, away from the screw nut seat, of the lifting seat, an indicating mark is fixedly connected onto one side of the outer wall of the first side plate and one side of the second side plate, a first elastic soft rubber pad is embedded into the top of the second fixing seat, a fixing plate is fixedly connected onto one side, close to the top of the second fixing seat, of the base through threads, a screw rod is connected onto the top of the fixing plate through screwing, a pressing plate is welded at the bottom end of the screw rod, a second elastic soft rubber pad is embedded into the bottom of.
Preferably, the sliding rod penetrates through the sliding block, and the sliding rod is connected with the sliding block in a sliding mode.
Preferably, the top of the second fixed seat is provided with a through hole.
Preferably, the outer wall of one side of the first side plate is provided with sliding grooves at one side position close to the left-handed screw rod and the right-handed screw rod and at one side position close to the sliding rod.
Preferably, the number of the fixing plates is four, and the four fixing plates are symmetrically arranged at the top of the base.
Preferably, the hollow tube contains an unfilled liquid therein.
Compared with the prior art, the invention has the beneficial effects that: this variable speed fan drive protection device, two lift seats through the relative movement in the vertical direction, can make ball and the contact of variable speed fan impeller pivot in the recess, rotation through the ball reduces variable speed fan impeller pivot pivoted frictional force, effectual countershaft supports, guarantee impeller pivoted stability, reduce the degree of rocking of impeller during operation, the convenient installation that can realize the variable speed fan through the clamp plate of over-and-under type is fixed, the further vibrations power of the elastic deformation power through first elasticity soft cushion and second elasticity soft cushion absorbs, can absorb vibrations through rocking of liquid in the hollow tube, further noise that reduces variable speed fan during operation.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a schematic view of the internal structure of the first side plate according to the present invention;
fig. 4 is a cross-sectional view of the base of the present invention.
In the figure: 1. a base; 2. a first fixed seat; 3. a second fixed seat; 4. a rod sleeve; 5. a support bar; 6. fastening a nut; 7. a support plate; 8. a first side plate; 9. a second side plate; 10. a left-handed lead screw; 11. a right-handed screw; 12. a screw nut seat; 13. a lifting seat; 14. a groove; 15. a ball bearing; 16. a slide bar; 17. a slider; 18. an indicator mark; 19. a first resilient soft rubber cushion; 20. a fixing plate; 21. a screw; 22. pressing a plate; 23. a second elastic soft rubber cushion; 24. a hollow pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a variable speed fan driving protection device comprises a base 1, wherein a first fixed seat 2 and a second fixed seat 3 are welded on the top of the base 1, the first fixed seat 2 is positioned on one side of the second fixed seat 3, a rod sleeve 4 is welded at the central position of the top of the first fixed seat 2, a support rod 5 is embedded in the top of the rod sleeve 4, a fastening nut 6 is connected on the outer wall of one side of the rod sleeve 4 in a screwing manner through threads, a support plate 7 is welded on the top end of the support rod 5, the top of the support plate 7 is fixedly connected with a first side plate 8 and a second side plate 9 through bolts, the first side plate 8 is positioned on one side of the second side plate 9, a left-handed lead screw 10 is rotatably connected on the inner wall of one side of the first side plate 8 through a rotating shaft, a right-handed lead screw 11 is welded on one end of the left-handed lead screw 10, and a, the lifting seat 13 is fixedly connected with one side outer wall of the screw nut seat 12 through a bolt, a groove 14 is formed in one side outer wall of the lifting seat 13, balls 15 are embedded into one side inner wall of the groove 14, a sliding rod 16 is welded at the position of the inner center of the second side plate 9, a sliding block 17 is fixedly connected with one side outer wall of the lifting seat 13, which is far away from the screw nut seat 12, an indicating mark 18 is fixedly connected with one side outer wall of the first side plate 8 and the second side plate 9 through a bolt, a first elastic soft rubber pad 19 is embedded into the top of the second fixing seat 3, a fixing plate 20 is fixedly connected with one side position of the top of the base 1, which is close to the second fixing seat 3, a screw 21 is connected to the top of the fixing plate 20 in a screwing mode through threads, a pressing plate 22 is welded at the bottom end of the screw 21, a second elastic soft rubber pad 23 is embedded into the.
In the invention: the sliding rod 16 penetrates through the sliding block 17, and the sliding rod 16 is connected with the sliding block 17 in a sliding manner; the stability of the movement of the slider 17 on the slide bar 16 is ensured.
In the invention: the top of the second fixed seat 3 is provided with a through hole; the variable speed fan is convenient to install and fix.
In the invention: the outer wall of one side of the first side plate 8, which is close to the left-handed screw 10 and the right-handed screw 11, and the outer wall of one side of the second side plate 9, which is close to the slide bar 16, are provided with sliding grooves; the lifting stability of the screw and nut seat 12 and the slide block 17 is ensured.
In the invention: the number of the fixing plates 20 is four, and the four fixing plates 20 are symmetrically arranged at the top of the base 1; the variable speed fan is convenient to install and fix.
In the invention: the interior of the hollow tube 24 contains an unfilled liquid; the shock can be absorbed by the liquid sloshing within the hollow tube 24.
The working principle is as follows: when the variable speed fan is used, the base 1 is placed on the horizontal ground, the variable speed fan is placed on the second fixed seat 3, the rotating shaft of the impeller of the variable speed fan penetrates between the two lifting seats 13 and is connected with the fixed plate 20 in a screwing mode through the screw rod 21, the screw rod 21 is rotated to drive the pressing plate 22 to descend, the pressing plate 22 fixes the base of the variable speed fan on the second fixed seat 3, the first elastic soft rubber cushion 19 and the second elastic soft rubber cushion 23 are extruded and deformed, further vibration force is absorbed through elastic deformation force of the first elastic soft rubber cushion 19 and the second elastic soft rubber cushion 23, after the variable speed fan is fixed, the height of the indicator 18 is adjusted according to the horizontal height of the rotating shaft of the impeller of the variable speed fan, the indicator 18 is adjusted to the same horizontal plane, the adjustment of the height of the indicator 18 is realized through the lifting of the support rod 5 in the rod sleeve 4, the indicating connection of the fastening nut 6 and the rod sleeve 4 is realized, the fixing of the support rod 5 is realized by rotating the fastening nut 6, the left-handed screw 10 is rotated, the left-handed screw 10 drives the right-handed screw 11 to rotate, the left-handed screw 10 and the right-handed screw 11 are connected with the screw nut seats 12 in a rotating mode, the two screw nut seats 12 drive the lifting seats 13 to move in opposite directions, the variable speed fan impeller rotating shaft is clamped by the two lifting seats 13, the ball 15 is in contact with the variable speed fan impeller rotating shaft, and the friction force generated by the rotation of the variable speed fan impeller rotating shaft is reduced by the rotation of the ball 15.
In summary, the following steps: this variable speed fan drive protection device, two lift seats 13 through the relative movement in the vertical direction, can make ball 15 and the contact of variable speed fan impeller pivot in the recess 14, rotation through ball 15 reduces variable speed fan impeller pivot pivoted frictional force, effectual counter shaft supports, guarantee impeller pivoted stability, reduce the degree of rocking of impeller during operation, it is fixed to realize the convenient installation of variable speed fan through the clamp plate 22 of over-and-under type, the further vibrations power of the elastic deformation power through first elastic soft cushion 19 and second elastic soft cushion 23 absorbs, can absorb vibrations through rocking of liquid in hollow tube 24, further noise of reduction variable speed fan during operation.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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. The utility model provides a variable speed fan drive protection device, includes base (1), its characterized in that: the welding of the top of base (1) has first fixing base (2) and second fixing base (3), first fixing base (2) is located one side of second fixing base (3), and the welding of the top central point department of first fixing base (2) has pole cover (4), the top embedding of pole cover (4) has bracing piece (5), and is connected with fastening nut (6) through the screw thread closure on one side outer wall of pole cover (4), the welding of the top of bracing piece (5) has backup pad (7), the top of backup pad (7) is through bolt fixedly connected with first curb plate (8) and second curb plate (9), first curb plate (8) is located one side of second curb plate (9), and is connected with levogyration lead screw (10) through the pivot rotation on one side inner wall of first curb plate (8), the one end dextrorotation welding of levogyration lead screw (10) has lead screw (11), and all be connected with screw nut seat (12) through the screw thread closure on the one side outer wall of levogyration lead screw (10) and dextrorotation lead screw (11), through bolt fixedly connected with lift seat (13) on the one side outer wall of screw nut seat (12), set up on the one side outer wall of lift seat (13) fluted (14), the embedding has ball (15) on the one side inner wall of recess (14), the welding of inside central point department of position department of second curb plate (9) has slide bar (16), through bolt fixedly connected with slider (17) on the one side outer wall of keeping away from screw nut seat (12) on lift seat (13), all through bolt fixedly connected with indicator (18) on the one side outer wall of first curb plate (8) and second curb plate (9), the top embedding of second fixing base (3) has first elasticity cushion (19), the top of base (1) is close to one side position department of second fixing base (3) and has fixed plate indicator through bolt fixedly connected with (20) The top of fixed plate (20) is connected with screw rod (21) through the screw thread closure soon, the bottom welding of screw rod (21) has clamp plate (22), the bottom embedding of clamp plate (22) has soft cushion of second elasticity (23), the inside embedding of base (1) has hollow tube (24).
2. The variable speed fan drive protection device of claim 1, wherein: the sliding rod (16) penetrates through the sliding block (17), and the sliding rod (16) is connected with the sliding block (17) in a sliding mode.
3. The variable speed fan drive protection device of claim 1, wherein: the top of the second fixed seat (3) is provided with a through hole.
4. The variable speed fan drive protection device of claim 1, wherein: the sliding grooves are formed in the positions, close to the left-handed screw rod (10) and the right-handed screw rod (11), on the outer wall of one side of the first side plate (8) and the positions, close to the sliding rod (16), on the outer wall of one side of the second side plate (9).
5. The variable speed fan drive protection device of claim 1, wherein: the number of the fixing plates (20) is four, and the four fixing plates (20) are symmetrically arranged at the top of the base (1).
6. The variable speed fan drive protection device of claim 1, wherein: the hollow tube (24) contains liquid which is not filled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010639258.1A CN111769686A (en) | 2020-07-06 | 2020-07-06 | Variable speed fan drive protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010639258.1A CN111769686A (en) | 2020-07-06 | 2020-07-06 | Variable speed fan drive protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111769686A true CN111769686A (en) | 2020-10-13 |
Family
ID=72723794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010639258.1A Pending CN111769686A (en) | 2020-07-06 | 2020-07-06 | Variable speed fan drive protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111769686A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116378979A (en) * | 2023-03-15 | 2023-07-04 | 江苏车驰汽车有限公司 | New circulating fan in commercial vehicle and application method thereof |
-
2020
- 2020-07-06 CN CN202010639258.1A patent/CN111769686A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116378979A (en) * | 2023-03-15 | 2023-07-04 | 江苏车驰汽车有限公司 | New circulating fan in commercial vehicle and application method thereof |
| CN116378979B (en) * | 2023-03-15 | 2024-04-09 | 江苏车驰汽车有限公司 | New circulating fan in commercial vehicle and application method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: Room 504, 5 / F, building 1, No. 9, Taiji Road, Yunhe street, Yuhang District, Hangzhou City, Zhejiang Province Applicant after: HANGZHOU COOLTECH Co.,Ltd. Address before: Room 624-1, Building 10, 28 Linping Avenue, Yuhang Economic Development Zone, Hangzhou City, Zhejiang 310000 Applicant before: HANGZHOU COOLTECH Co.,Ltd. |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |