CN109441857A - A kind of electric lift fan - Google Patents
A kind of electric lift fan Download PDFInfo
- Publication number
- CN109441857A CN109441857A CN201811360605.6A CN201811360605A CN109441857A CN 109441857 A CN109441857 A CN 109441857A CN 201811360605 A CN201811360605 A CN 201811360605A CN 109441857 A CN109441857 A CN 109441857A
- Authority
- CN
- China
- Prior art keywords
- pedestal
- fan
- screw rod
- lifter plate
- electric lift
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- 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
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of electric lift fans, belong to electric fan technical field, in order to solve the problems, such as that hand lifting/lowering is time-consuming and laborious in the prior art, including pedestal and fan, the fan is set on the pedestal, it is characterized in that, lifting assembly is provided between the pedestal and fan, the lifting assembly includes servo motor, screw rod, lifter plate, elevating lever and telescopic rod, mounting groove is provided on the pedestal, the setting servo motor in the mounting groove, the servo motor upper end transmission connection screw rod, the screw rod threaded upper ends connect the lifter plate, the elevating lever is fixedly connected on the lifter plate, the elevating lever upper end is fixedly connected with the fan, the telescopic rod is set between the lifter plate and pedestal.
Description
Technical field
The invention belongs to electric fan technical fields, more particularly to a kind of electric lift fan.
Background technique
Existing lift fan realizes that hand-operated lifting is adjusted frequently with flowering structure, it is common by single screw it is fixed come
Fan height is adjusted, or adjusts fan height by covering the level type button on center pillar；These structures be easy user into
When adjusting biggish shaking occurs for row, in actual application process, due to by under material and cost control, so that shaking
Dynamic amplitude is very big, gives a kind of unstable feeling of people, and require when user is adjusted close to fan, and grasp on the other hand
Lifting pipe is simultaneously performed with one hand adjusting fixation, and is equipped with the lifting pipe for fanning cover, flabellum generally all than heavier, and user is being adjusted
When it is often relatively elaborate.
Summary of the invention
It is an object of the invention to: in order to solve the problems, such as that hand lifting/lowering is time-consuming and laborious in the prior art, provides one kind
Electric lift fan have the characteristics that structure it is simple, can automatic lifting and fast lifting.
The technical solution adopted by the invention is as follows:
The fan is arranged on the pedestal in a kind of electric lift fan, including pedestal and fan, and feature exists
In being provided with lifting assembly between the pedestal and fan, the lifting assembly includes servo motor, screw rod, lifter plate, lifting
Bar and telescopic rod are provided with mounting groove on the pedestal, the setting servo motor in the mounting groove, on the servo motor
The end transmission connection screw rod, the screw rod threaded upper ends connect the lifter plate, are fixedly connected with the liter on the lifter plate
Bar drops, and the elevating lever upper end is fixedly connected with the fan, the telescopic rod is arranged between the lifter plate and pedestal.
Present invention further optimization, the upper end of the screw rod are provided with upper limit position block, and the lower end of the screw rod is provided with
Lower position block.
Present invention further optimization, the lower end of the upper limit position block and the upper end of lower position block are provided with resilient cushion.
The outer sheath of present invention further optimization, the lifting assembly is equipped with retracting cylinder, and the retracting cylinder includes upper set
Cylinder and lower sleeve, the upper bush upside are fixedly connected with the fan, and the upper bush is arranged the lower sleeve, the upper bush
Be slidably connected the lower sleeve, is fixedly connected on the pedestal on the downside of the lower sleeve.
Present invention further optimization, the inner wall of the upper bush is circumferential at least provided with a shifting chute, described to trap
The outer wall of cylinder is circumferentially provided with sliding block compatible with shifting chute, and the sliding block is slidably arranged on the shifting chute.
Be provided on the inner wall of present invention further optimization, the upper bush and lower sleeve can noise reduction porous bubble
Cotton reduces the noise in servopackage operational process, improves working environment.
Present invention further optimization, the pedestal surrounding is provided with the universal wheel that can be braked, convenient for the quick of fan
It is mobile.
Working principle: the present invention rotates and reverse driving screw rod rotation by servo motor, so that lifter plate is in screw rod
On the vertical direction that is risen or fallen it is mobile, when servo motor rotates forward, screw rod rotation is driven, so that lifter plate passes through screw thread
It is connected on screw rod and moves up, elevating lever is fixedly connected on the upside of lifter plate, elevating lever drives fan to move up, and completes fan
Uphill process；
When servo motor inverts, screw rod rotation is driven, so that lifter plate moves down on screw rod, it is fixed on the upside of lifter plate
Elevating lever is connected, lifter plate drives fan to move down, completes the decline process of fan.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1. the present invention is rotated by the screw rod of driving forward or reverse of servo motor, obtains lifter plate and risen on screw rod
Or the vertical direction of decline is mobile, drives rising or falling for prevailing custom while lifter plate is mobile, servo motor have it is small in size,
Light-weight, power output is big, and response is fast, and speed is high, and inertia is small, and rotation is smooth, and torque is stablized.Control is complicated, intelligence easy to accomplish,
Its electronics commutation mode is flexible, can be with square wave commutation or sine wave commutation.Motor is non-maintaining, and efficiency is very high, and running temperature is low, electricity
Magnetic radiation very little, can be used for various environment at the long-life, and the high-precision and accuracy of servo motor are brought well to user
Usage experience.
2. the present invention is provided with upper limit position block by the upper end in screw rod, upper limit position block prevents lifter plate in uphill process
With mounting plate damaged in collision gate inhibition's component, reduce security risk, improves safety；The lower end of the screw rod is provided with lower limit
Position block, the lower position block prevent lifter plate from colliding during decline with servo motor and damage servo motor, reduce peace
Full hidden danger improves practicability.
3. the present invention reduces upper limit by being provided with resilient cushion in the lower end of upper limit position block and the upper end of lower position block
Active force when block and lower position block and lifter plate collide, improves safety.
4. the present invention is equipped with retracting cylinder by the outer sheath in lifting assembly, upper bush and trapped by can slide up and down
Cylinder is improved the stability between fan and pedestal, and can be protected with servopackage, and that improves servopackage uses the longevity
Life.
5. the present invention offers sliding block compatible with shifting chute by the lateral wall in lower sleeve, upper bush is improved under
Connectivity between sleeve improves the stability of structure.
Detailed description of the invention
Examples of the present invention will be described by way of reference to the accompanying drawings, in which:
Fig. 1 is structural schematic diagram of the invention.
Appended drawing reference: 1- pedestal, 2- screw rod, 3- lower sleeve, 4- telescopic rod, 5- lifter plate, 6- upper bush, 7- fan, 8-
Elevating lever, 9- upper limit position block, 10- lower position block, 11- motor, 12- universal wheel.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
It elaborates below with reference to Fig. 1 to the present invention.
Case study on implementation one: institute is arranged on the pedestal 1 in a kind of electric lift fan, including pedestal 1 and fan 7
State fan 7, which is characterized in that lifting assembly is provided between the pedestal 1 and fan 7, the lifting assembly includes servo electricity
Machine 11, screw rod 2, lifter plate 5, elevating lever 8 and telescopic rod 4 are provided with mounting groove, setting in the mounting groove on the pedestal 1
The servo motor 11,11 upper end of servo motor are sequentially connected the screw rod 2, described in 2 threaded upper ends of the screw rod connection
Lifter plate 5 is fixedly connected with the elevating lever 8 on the lifter plate 5, and 8 upper end of elevating lever is fixedly connected with the fan 7, institute
It states and the telescopic rod 4 is set between lifter plate 5 and pedestal 1,1 surrounding of pedestal is provided with the universal wheel 12 that can be braked, just
In fast moving for fan 7.
Working principle: the present invention is rotated by the driving screw rod 2 that rotates and reverse of servo motor 11, so that lifter plate 5 exists
The vertical direction risen or fallen on screw rod 2 is mobile, when servo motor 11 rotates forward, drives screw rod 2 to rotate, so that lifter plate
5 are threadedly attached on screw rod 2 and move up, and are fixedly connected with elevating lever 8 on the upside of lifter plate 5, elevating lever 8 drive fan 7 to
The uphill process of fan 7 is completed in upper movement；
When servo motor 11 inverts, screw rod 2 is driven to rotate, so that lifter plate 5 moves down on screw rod 2, on lifter plate 5
Side is fixedly connected with elevating lever 8, and lifter plate 5 drives fan 7 to move down, and completes the decline process of fan 7.
Case study on implementation two: this implementation is to advanced optimize on the basis of embodiment 1, and the present embodiment emphasis illustrates and implements
The improvements that example 1 is compared, something in common repeat no more, and the upper end of the screw rod 2 is provided with upper limit position block 9, the screw rod 2
Lower end is provided with lower position block 10, and the lower end of the upper limit position block 9 and the upper end of lower position block 10 are provided with resilient cushion, this hair
It is bright by being provided with upper limit position block 9 in the upper end of screw rod 2, upper limit position block 9 prevent lifter plate 5 in uphill process with the installation
Plate damaged in collision gate inhibition's component reduces security risk, improves safety；The lower end of the screw rod 2 is provided with lower position block 10, institute
It states lower position block 10 and prevents lifter plate 5 from colliding during decline with servo motor 11 and damage servo motor 11, reduce peace
Full hidden danger improves practicability.
Case study on implementation two: this implementation is to advanced optimize on the basis of embodiment 1, and the present embodiment emphasis illustrates and implements
The improvements that example 1 is compared, something in common repeat no more, and the outer sheath of the lifting assembly is equipped with retracting cylinder, the retracting cylinder
Including upper bush 6 and lower sleeve 3, the fan 7 is fixedly connected on the upside of the upper bush 6, the upper bush 6 is arranged described trap
Cylinder 3, the upper bush 6 are slidably connected the lower sleeve 3, are fixedly connected on the pedestal 1 on the downside of the lower sleeve 3, it is described on
The inner wall of sleeve 6 is circumferential at least provided with a shifting chute, and the outer wall of the lower sleeve 3 is circumferentially provided with to be adapted with shifting chute
Sliding block, the sliding block is slidably arranged on the shifting chute, and being provided on the inner wall of the upper bush 6 and lower sleeve 3 can
The porous foam of noise reduction reduces the noise in servopackage operational process, improves working environment, and the present invention passes through in lifting assembly
Outer sheath be equipped with retracting cylinder, by upper bush 6 and the lower sleeve 3 of can slide up and down, improve steady between fan 7 and pedestal 1
It is qualitative, and can be protected with servopackage, improve the service life of servopackage.
Although reference be made herein to invention has been described for multiple explanatory embodiments of the invention, however, it is to be understood that
Those skilled in the art can be designed that a lot of other modification and implementations, these modifications and implementations will fall in this Shen
It please be within disclosed scope and spirit.It more specifically, within the scope of the present disclosure and claims, can be to master
The building block and/or layout for inscribing composite configuration carry out a variety of variations and modifications.In addition to what is carried out to building block and/or layout
Outside variations and modifications, to those skilled in the art, other purposes also be will be apparent.
Claims (7)
1. a kind of electric lift fan, including pedestal (1) and fan (7), the fan is set on the pedestal (1)
(7), which is characterized in that lifting assembly is provided between the pedestal (1) and fan (7), the lifting assembly includes servo electricity
Machine (11), screw rod (2), lifter plate (5), elevating lever (8) and telescopic rod (4) are provided with mounting groove on the pedestal (1), described
The setting servo motor (11) in mounting groove, servo motor (11) the upper end transmission connection screw rod (2), the screw rod
(2) threaded upper ends connect the lifter plate (5), are fixedly connected with the elevating lever (8), the elevating lever on the lifter plate (5)
(8) upper end is fixedly connected the fan (7), and the telescopic rod (4) are arranged between the lifter plate (5) and pedestal (1).
2. electric lift fan according to claim 1, which is characterized in that the upper end of the screw rod (2) is arranged
Have upper limit position block (9), the lower end of the screw rod (2) is provided with lower position block (10).
3. electric lift fan according to claim 2, which is characterized in that the lower end of the upper limit position block (9)
Resilient cushion is provided with the upper end of lower position block (10).
4. electric lift fan according to claim 1, which is characterized in that be arranged on the outside of the lifting assembly
There is retracting cylinder, the retracting cylinder includes upper bush (6) and lower sleeve (3), is fixedly connected with the fan on the upside of the upper bush (6)
(7), the upper bush (6) is arranged the lower sleeve (3), and the upper bush (6) is slidably connected the lower sleeve (3), under described
It is fixedly connected on the pedestal (1) on the downside of sleeve (3).
5. electric lift fan according to claim 4, which is characterized in that the inner wall week of the upper bush (6)
It is circumferentially provided with sliding block compatible with shifting chute to the outer wall at least provided with a shifting chute, the lower sleeve (3), it is described
Sliding block is slidably arranged on the shifting chute.
6. electric lift fan according to claim 4, which is characterized in that the upper bush (6) and lower sleeve
(3) be provided on inner wall can noise reduction porous foam.
7. electric lift fan according to claim 1, which is characterized in that pedestal (1) surrounding is respectively provided with
There is the universal wheel (12) that can be braked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811360605.6A CN109441857A (en) | 2018-11-15 | 2018-11-15 | A kind of electric lift fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811360605.6A CN109441857A (en) | 2018-11-15 | 2018-11-15 | A kind of electric lift fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109441857A true CN109441857A (en) | 2019-03-08 |
Family
ID=65553819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811360605.6A Withdrawn CN109441857A (en) | 2018-11-15 | 2018-11-15 | A kind of electric lift fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109441857A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021155623A1 (en) * | 2020-02-06 | 2021-08-12 | 深圳市希伯伦科技有限公司 | Lifting oscillating fan which is convenient to store and carry |
-
2018
- 2018-11-15 CN CN201811360605.6A patent/CN109441857A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021155623A1 (en) * | 2020-02-06 | 2021-08-12 | 深圳市希伯伦科技有限公司 | Lifting oscillating fan which is convenient to store and carry |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190308 |