CN109854697A - A kind of single motor column up-down system - Google Patents
A kind of single motor column up-down system Download PDFInfo
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- CN109854697A CN109854697A CN201910067517.5A CN201910067517A CN109854697A CN 109854697 A CN109854697 A CN 109854697A CN 201910067517 A CN201910067517 A CN 201910067517A CN 109854697 A CN109854697 A CN 109854697A
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Abstract
The invention discloses a kind of single motor column up-down systems, including motor, screw body motor-driven, screw body drives lifting is several to be arranged inside and outside the pillar being slidably connected, including transmission mechanism, the motor is with control chip, the input terminal of the screw body is disposed with transmission gear and anti-fall mechanism, the fixing end of lifting column is provided with separating-closing type deflecting case, the transmission gear and anti-fall mechanism are located in the accommodating cavity of separating-closing type deflecting case, transmission gear is engaged with the rotate gear in accommodating cavity respectively, anti-fall mechanism and accommodating cavity are cooperatively connected, the output shaft of motor and one of rotate gear in separating-closing type deflecting case are sequentially connected, separating-closing type deflecting case in adjacent lifting column is connected by transmission mechanism Synchronous Transmission.The present invention provide it is a kind of facilitate manipulation, using single motor control multiple lifting columns single motor column up-down system have good support force, it is structurally reasonable, noise is small, using flexible the characteristics of.
Description
The present invention relates to single motor column up-down systems, belong to jacking system technical field.
Background technique
Electric lifting vertical column is applied to the fields such as office furniture and traffic appliance even precise height lifting, present lifting
Column generally uses a motor to drive a lifting column, such as to constitute the jacking system of multiple lifting column compositions, just need
Multiple electric motors are used, the synchronism for not only increasing cost and jacking system in this way is also poor, such as drives using a motor
Multiple lifting columns are supported because the support force of lifting column is mainly the twisting resistance that leans between elevating mechanism and motor, are only used
One motor its support force is limited, it is difficult to bear biggish weight, easily make motor damage.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of single motor column up-down systems, are controlled using single motor more
A lifting column synchronization lifting has good support force, solves the deficiencies in the prior art.
The technical scheme is that a kind of single motor column up-down system, including motor, screw rod machine motor-driven
Structure, screw body drive lifting is several to be arranged inside and outside the pillar being slidably connected, including transmission mechanism, and the motor is with control core
Piece, the input terminal of the screw body are disposed with transmission gear and anti-fall mechanism, and the fixing end of lifting column is provided with
Separating-closing type deflecting case, the separating-closing type deflecting case include the first assembly and the second assembly, first assembly and second
It is respectively provided at least one rotate gear in assembly, the first cavity is provided in the first assembly, the second assembly is provided with
Two cavities, first assembly synthesize accommodating cavity, the transmission with the second cavity with the first cavity after the second assembly obvolvent
Gear and anti-fall mechanism are located in accommodating cavity, and transmission gear combines intracorporal rotate gear and the second assembly with first respectively
Interior rotate gear engagement, anti-fall mechanism and accommodating cavity are cooperatively connected, the output shaft of motor and its in separating-closing type deflecting case
In the transmission connection of rotate gear, the separating-closing type deflecting case in adjacent lifting column connected by transmission mechanism Synchronous Transmission.
Motor drives lifting column lifting by separating-closing type deflecting case, and the control chip being set on motor is used to record motor rotation
Circle number control lifting column is automatically stopped in extreme higher position and extreme lower position, the output shaft of motor and its in separating-closing type deflecting case
In the transmission connection of rotate gear, and all rotate gears in the transmission gear and separating-closing type deflecting case on screw rod are all nibbled
It closes, band nutating gear rotates when the rotate gear connecting with motor output shaft rotates, and transmission gear drives separating-closing type to become simultaneously
Into case, other rotate gears and screw rod are rotated synchronously, in separating-closing type deflecting case other rotate gears by transmission mechanism with
One of rotate gear in separating-closing type deflecting case in adjacent lifting column is connected and is rotated at the same speed, so adjacent
Lifting column is connected by transmission mechanism, realizes that a motor drives multiple lifting column synchronization liftings, while anti-fall mechanism
It can prevent lifting column from gliding, there is better bearing capacity.
The cross section of the separating-closing type deflecting case formed after further first assembly and the second assembly obvolvent and
The cross section of pillar is the identical rectangle of shape, and the first assembly is that center line is symmetrical or diagonal symmetrical with the second assembly
Symmetric body, the separating-closing type deflecting case after obvolvent are plugged in pillar and are fixed by screws.Preferably separating-closing type can be made to become
It is connected to case and stanchions installation, prevents relative rotation between the two, and according to the usage requirement in separating-closing type deflecting case
Interior setting one to four rotate gear parallel with side wall, it is flexible and convenient to use.
The further transmission mechanism includes hollow tube, and hollow tube both ends have been telescopically connected to drive rod, the biography at both ends
Lever is separately connected the separating-closing type deflecting case in adjacent lifting column, and drive rod and blank pipe junction are provided with the fixed dress of adjusting
It sets.It can be adjusted according to the needs the length of transmission mechanism, to adjust the distance between adjacent lifting column, use is more flexible.
The further fixed device of the adjusting includes the elastic part for being set to hollow tube end, is threadedly coupled with elastic part
Fastening nut, the drive rod passes sequentially through fastening nut, elastic part enters in hollow tube.Unscrew fastening nut, drive rod
Hollow tube can be freed in and out, suitable position is retractable to, fastening nut and elastic part are tightened and realize drive rod and hollow tube
Fixation, adjust it is very convenient.
The further anti-fall mechanism includes the rotary column for being sheathed on screw rod periphery and being fixedly connected with screw rod, the rotary column
Periphery is provided with torsional spring, and the torsional spring and rotary column outer wall are interference fitted, and the rotary column and torsional spring are located in accommodating cavity, torsional spring and appearance
It sets there are deformation space between cavity wall, the accommodating cavity further includes the fluting having with the cooperation of the torque arm of torsional spring.When motor drives silk
When bar and rotary column rotate forward, the torque arm of torsional spring and the cell wall of fluting are kept out, and torsional spring is expanded around, the friction between torsional spring and rotary column
Power reduces, and the twisting resistance of motor drives screw mandrel is made easily to overcome the frictional force between torsional spring and rotary column, and lifting column rises,
After lifting column stops rising, torsional spring holds rotary column tightly, and frictional force between the two becomes the bearing capacity of lifting column, and goes up and down
Screw rod and rotary column invert when column declines, and when inverting, and the torque arm of torsional spring and the cell wall of fluting are kept out, torsional spring to contract with turn
Column interference increases, and the frictional force between them is bigger, and bearing capacity is also more preferable.
The further accommodating cavity is stepped cavity, and transmission gear and rotate gear are set to upper chamber, anti-fall mechanism
It is limited in lower cavity.On the one hand this structure can more accurately make transmission gear engage cooperation with rotate gear, on the other hand make
Prevent anti-fall mechanism from shifting up and down and making its failure.
The further lifting column includes the outer pillar that successively inside and outside suit is slidably connected, middle pillar, interior pillar, institute
State separating-closing type deflecting case and be fixed on outer pillar end, the screw body include one end be sequentially connected with separating-closing type deflecting case it is interior
Screw rod, the out screw rod being socketed on outside interior screw rod, the middle pillar proximal end are fixed with the Separated nut connecting with interior screw rod spiral,
Interior pillar proximal end is fixed with the fixture nut connecting with out screw rod spiral, is equipped with cavity, the cavity in the Separated nut
In inside and it is rotatablely connected out screw rod and Separated nut the limit of out screw rod proximal end.Its screw rod of the lifting column of present three section
Mechanism also needs to be connect with out screw rod spiral along out screw rod linear movement and fixed with interior pillar other than out screw rod in addition to interior screw rod
Sleeve, how at high cost this structure member is, and installation step is more, now only needs fixture nut made of plastic, is reaching
To the standard held while cost is greatly reduced, improves assembly efficiency.
Between the further outer pillar and middle pillar, middle pillar and interior pillar be provided with Anti-skid sheet, it is described anti-skidding
Piece, which encloses to be fixed on outside middle pillar peripheral end portion and interior pillar respectively, turns end.It is set between two pillars, with pillar phase
To sliding, noise is small to prevent abutment surface mill flower, prevent the shaking between pillar from proposing the stationarity for having done lifting column.
In conclusion the present invention is a kind of to facilitate manipulation, multiple lifting columns are controlled using single motor and form jacking system tool
There is the characteristics of good support force, structurally reasonable, noise is small, using flexible.
Detailed description of the invention
Fig. 1 is structure of the invention connection schematic diagram；
Fig. 2 is another structure connection diagram of separating-closing type deflecting case；
Fig. 3 is the schematic diagram that screw rod is connect with separating-closing type deflecting case；
Fig. 4 is the schematic internal view of the second assembly；
Fig. 5 is the structural schematic diagram of transmission mechanism；
Fig. 6 is the structural schematic diagram of lifting column；
Fig. 7 is the structural schematic diagram of Separated nut.
It is as shown in the figure: lifting column 1；Motor 2；First assembly 3；Second assembly 4；First assembly 3a；First group
Fit 4a；Transmission mechanism 7；Transmission gear 8；Screw rod 9；First cavity 10；Rotate gear 11；Rotary column 12；Torsional spring 13；Torque arm 14；
Hollow tube 15；Drive rod 16；Elastic part 17；Fastening nut 18；Separating-closing type deflecting case 19；Second cavity 20；Fluting 21；Interior screw rod
22；Out screw rod 23；Outer pillar 33；Middle pillar 34；Interior pillar 35；Separated nut 36；Fixture nut 37；Slide plate 38；Nut body
41；Nut cap 42；Cavity 43.
Specific embodiment
The embodiment of the present invention: as shown in Figures 1 to 4, a kind of single motor column up-down system, including it is equipped with control chip
Motor 2, the screw body driven by motor 2, screw body drives lifting is several to be arranged inside and outside the pillar being slidably connected, including
Transmission mechanism 7, the input terminal of screw body are disposed with rotate gear 8 and anti-fall mechanism, and the fixing end of lifting column 1 is set
It is equipped with separating-closing type deflecting case 19, the separating-closing type deflecting case 19 includes the first assembly 3 and the second assembly 4, the first assembly 3
With at least one rotate gear 11 is respectively provided in the second assembly 4, be provided with the first cavity 10 in the first assembly 3, second group
Zoarium 4 is provided with the second cavity 20, and the first cavity 10 and the second cavity 20 close after 4 obvolvent of the first assembly 3 and the second assembly
At accommodating cavity, rotate gear 8 and anti-fall mechanism are located in accommodating cavity, and rotate gear 8 combines intracorporal rotation with first respectively
Gear 11 combines intracorporal rotate gear 11 with second and engages, and anti-fall mechanism and accommodating cavity are cooperatively connected, the output shaft of motor 2
It is sequentially connected with one of rotate gear 11 in separating-closing type deflecting case 19, the separating-closing type deflecting case in adjacent lifting column 1
19 are connected by 7 Synchronous Transmission of transmission mechanism.The output shaft and separating-closing type deflecting case 19 of motor 2 are sequentially connected, and adjacent lifting is vertical
Separating-closing type deflecting case 19 in column 1 is connected by 7 Synchronous Transmission of transmission mechanism, and separating-closing type deflecting case 19 can also be by the first combination
The form obvolvent of body 3a and the first assembly 4a forms, be all provided in the first assembly 3a and the first assembly 4a there are two with its side
The parallel rotate gear 11 of wall, motor 2 drive lifting column 1 to go up and down by separating-closing type deflecting case 19, the control being set on motor 2
The circle number control lifting column 1 that coremaking piece is used to record the rotation of motor 2 is automatically stopped in extreme higher position and extreme lower position, while electricity
The output shaft of machine 2 and one of rotate gear 11 in separating-closing type deflecting case 19 are sequentially connected, and the transmission gear on screw rod 9
8 all engage with all rotate gears 11 in separating-closing type deflecting case 19, when the rotate gear 11 for exporting axis connection with motor 2 rotates
Band nutating gear 8 rotates, and transmission gear 8 drives other rotate gears 8 in separating-closing type deflecting case 19 synchronous with screw rod 9 simultaneously
It rotates, other rotate gears 8 are become by the separating-closing type in transmission mechanism 7 and adjacent lifting column 1 in separating-closing type deflecting case 19
One of rotate gear 11 into case 19 is connected and is rotated at the same speed, and so adjacent lifting column 1 passes through driver
Structure 7 connects, and realizes that a motor 2 drives multiple 1 synchronization liftings of lifting column, while anti-fall mechanism can prevent lifting column 1
It glides, lifting column 1 is made to have better bearing capacity.
The cross of the separating-closing type deflecting case 19 formed after preferential 4 obvolvent of the first assembly 3 and the second assembly of the present embodiment
Section and the cross section of pillar are the identical rectangle of shape, and the first assembly 3,3a and the second assembly 4,4a are symmetrical for center line
Or diagonal symmetrical symmetric body, the separating-closing type deflecting case 19 after obvolvent are plugged in pillar and are fixed by screws.Energy
It preferably installs separating-closing type deflecting case 19 and stanchions to connect, prevents relative rotation between the two, and can be according to using
Need to be arranged in separating-closing type deflecting case 19 one to four rotate gear 11 parallel with side wall, it is flexible and convenient to use.
The present embodiment it is preferential as shown in figure 5, transmission mechanism 7 includes hollow tube 15,15 both ends of hollow tube are telescopically connected to
Have a drive rod 16, the drive rod 16 at both ends is separately connected the separating-closing type deflecting case 19 in adjacent lifting column 1, drive rod 16 with
15 junction of blank pipe is provided with the fixed device of adjusting.It can be adjusted according to the needs the length of transmission mechanism 7, to adjust adjacent lifting
The distance between column 1, use is more flexible.
The fixed device of the preferential adjusting of the present embodiment includes the elastic part 17 for being set to 15 end of hollow tube, with elastic part 17
The fastening nut 18 of threaded connection, drive rod 16 passes sequentially through fastening nut 18, elastic part 17 enters in hollow tube 15.Unscrew tight
Gu nut 18, drive rod 16 can free in and out hollow tube 15, be retractable to suitable position, by fastening nut 18 and elastic part 17
The fixation for realizing drive rod 16 and hollow tube 15 is tightened, is adjusted very convenient.
The preferential anti-fall mechanism of the present embodiment includes the rotary column 12 for being sheathed on 9 periphery of screw rod and being fixedly connected with screw rod 9, is turned
12 periphery of column is provided with torsional spring 13, and torsional spring 13 and 12 outer wall of rotary column are interference fitted, and rotary column 12 and torsional spring 13 are located in accommodating cavity, turn round
There are deformation space between spring 13 and accommodating cavity wall, accommodating cavity further includes the fluting 21 having with the cooperation of the torque arm 14 of torsional spring 13.When
When motor 2 drives screw rod 9 and rotary column 12 to rotate forward, the torque arm 14 of torsional spring 13 and the cell wall of fluting 21 are kept out, and torsional spring 14 expands around
, the frictional force between torsional spring 14 and rotary column 12 reduces, and the twisting resistance for making motor 2 drive screw rod 9 easily overcomes torsional spring 14
With the frictional force between rotary column 12, lifting column 1 rises, and after lifting column 1 stops rising, torsional spring 14 holds rotary column, the two tightly
Between frictional force become the bearing capacity of lifting column 1, and screw rod 9 and rotary column 12 invert when lifting column 1 declines, and invert
When, the torque arm 14 of torsional spring 13 and 21 cell wall of slotting are kept out, and torsional spring 13 increases to contract and 12 interference of rotary column, between them
Frictional force is bigger, and bearing capacity is also more preferable.
The preferential accommodating cavity of the present embodiment is stepped cavity, and transmission gear 8 and rotate gear 11 are set to upper chamber, anti-fall
Mechanism is limited in lower cavity.On the one hand this structure can more accurately make transmission gear 8 engage cooperation with rotate gear 11, another
Aspect makes to prevent anti-fall mechanism from shifting up and down and making its failure.
The present embodiment it is preferential as shown in fig. 6, lifting column 1 include the outer pillar 33 that successively inside and outside suit is slidably connected,
Middle pillar 34, interior pillar 35, separating-closing type deflecting case 19 are fixed on 33 end of outer pillar, and screw body includes that one end and separating-closing type become
The interior screw rod 22 being sequentially connected to case 19, be sheathed on outside interior screw rod 22 with the out screw rod 23 that is sequentially connected with it, middle pillar 34
Proximal end is fixed with the Separated nut 36 connecting with interior 22 spiral of screw rod, and interior 35 proximal end of pillar is fixed with to be connected with 23 spiral of out screw rod
The fixture nut 37 connect, as shown in fig. 7, Separated nut 36 includes nut cap 42 and nut body 41, be equipped in nut body 41 with
The internal screw thread and cavity 43 of interior 22 external screw thread of screw rod cooperation, nut cap 42 is fixed with nut body 41 by screw, on nut cap 42
Equipped with the aperture communicated in cavity 43,23 proximal end of out screw rod is limited in cavity 43 and makes out screw rod 23 and split type spiral shell by cavity 43
Mother 36 is rotatablely connected.Its screw body of the lifting column of present three section also needs and outer silk other than interior screw rod 22 and out screw rod 23
23 spiral of bar connects sleeve along 23 linear movement of out screw rod and fixed with interior pillar 35, and how at high cost this structure member is, dress
It is more with step, fixture nut 37 made of plastic is now only needed, is reaching the standard held while greatly reducing into
This, improves assembly efficiency.
Between the preferential outer pillar 33 of the present embodiment and middle pillar 34, middle pillar 34 and interior pillar 35 be provided with Anti-skid sheet
38, Anti-skid sheet 38, which encloses to be fixed on outside middle 34 peripheral end portion of pillar and interior pillar 35 respectively, turns end.It is set between two pillars,
It is slided with pillar is opposite, noise is small to prevent abutment surface mill flower, prevent the shaking between pillar from mentioning and done lifting column 1
Stationarity.
Claims (8)
1. a kind of single motor column up-down system, including motor, screw body motor-driven, screw body drive lifting number
Root is arranged inside and outside the pillar being slidably connected, it is characterised in that: including transmission mechanism, the motor is with control chip, the silk
The input terminal of linkage is disposed with transmission gear and anti-fall mechanism, and the fixing end of lifting column is provided with separating-closing type deflecting
Case, the separating-closing type deflecting case include the first assembly and the second assembly, equal in first assembly and the second assembly
At least one rotate gear is set, the first cavity is provided in the first assembly, the second assembly is provided with the second cavity, described
First assembly and the first cavity after the second assembly obvolvent synthesize accommodating cavity with the second cavity, the transmission gear with it is anti-fall
Mechanism is located in accommodating cavity, and transmission gear combines intracorporal rotate gear with first respectively and combines intracorporal rotate gear with second
Engagement, anti-fall mechanism and accommodating cavity are cooperatively connected, the output shaft and one of turning gear in separating-closing type deflecting case of motor
Wheel is sequentially connected, and the separating-closing type deflecting case in adjacent lifting column is connected by transmission mechanism Synchronous Transmission.
2. single motor column up-down system according to claim 1, it is characterised in that: first assembly and second group
The cross section of the separating-closing type deflecting case formed after fit obvolvent and the cross section of pillar are the identical rectangle of shape, the first assembly
It is center line symmetrically with the second assembly or diagonal symmetrical symmetric body, the separating-closing type deflecting case after obvolvent is plugged in pillar
And it is fixed by screws.
3. single motor column up-down system according to claim 1, it is characterised in that: the transmission mechanism includes hollow
Pipe, hollow tube both ends have been telescopically connected to drive rod, and the drive rod at both ends is separately connected the separating-closing type in adjacent lifting column
Deflecting case, drive rod and blank pipe junction are provided with the fixed device of adjusting.
4. single motor column up-down system according to claim 3, it is characterised in that: the fixed device of the adjusting includes setting
Be placed in the elastic part of hollow tube end, the fastening nut being threadedly coupled with elastic part, the drive rod pass sequentially through fastening nut,
Elastic part enters in hollow tube.
5. single motor column up-down system according to claim 1, it is characterised in that: the anti-fall mechanism includes being arranged
In the rotary column that screw rod periphery is fixedly connected with screw rod, the rotary column periphery is provided with torsional spring, the torsional spring and the interference of rotary column outer wall
Cooperation, the rotary column and torsional spring are located in accommodating cavity, and there are deformation space between torsional spring and accommodating cavity wall, the accommodating cavity is also wrapped
Include the fluting with the cooperation of the torque arm of torsional spring.
6. single motor column up-down system according to claim 1 or 5, it is characterised in that: the accommodating cavity is stepped cavity,
Transmission gear and rotate gear are set to upper chamber, and anti-fall mechanism is limited in lower cavity.
7. single motor column up-down system according to claim 1, it is characterised in that: the lifting column includes successively interior
Outer to be set with the outer pillar being slidably connected, middle pillar, interior pillar, the separating-closing type deflecting case is fixed on outer pillar end, the silk
Linkage includes the interior screw rod of one end and the transmission connection of separating-closing type deflecting case, the out screw rod being socketed on outside interior screw rod, the middle branch
Column proximal end is fixed with the Separated nut connecting with interior screw rod spiral, and interior pillar proximal end is fixed with to be consolidated with what out screw rod spiral was connect
Determine nut, cavity is equipped in the Separated nut, out screw rod proximal end is limited in inside and makes out screw rod and divide by the cavity
The rotation connection of body formula nut.
8. single motor column up-down system according to claim 7, it is characterised in that: the outer pillar and middle pillar it
Between, middle pillar and interior pillar be provided with Anti-skid sheet, the Anti-skid sheet encloses respectively is fixed on middle pillar peripheral end portion and interior branch
Turn end outside column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910067517.5A CN109854697B (en) | 2019-01-24 | 2019-01-24 | Single-motor upright column lifting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910067517.5A CN109854697B (en) | 2019-01-24 | 2019-01-24 | Single-motor upright column lifting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109854697A true CN109854697A (en) | 2019-06-07 |
| CN109854697B CN109854697B (en) | 2023-01-31 |
Family
ID=66895996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910067517.5A Active CN109854697B (en) | 2019-01-24 | 2019-01-24 | Single-motor upright column lifting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109854697B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114476182A (en) * | 2020-10-23 | 2022-05-13 | 苏州润谷智能设备有限公司 | Integrated lifting device for packaging machine |
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| Publication number | Publication date |
|---|---|
| CN109854697B (en) | 2023-01-31 |
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