CN206142726U - Driver - Google Patents
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- Publication number
- CN206142726U CN206142726U CN201621065648.8U CN201621065648U CN206142726U CN 206142726 U CN206142726 U CN 206142726U CN 201621065648 U CN201621065648 U CN 201621065648U CN 206142726 U CN206142726 U CN 206142726U
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- China
- Prior art keywords
- transmission
- gear
- screw
- nut
- screw mandrel
- 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.)
- Expired - Fee Related
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- 230000005540 biological transmission Effects 0.000 claims abstract description 90
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 7
- 239000002360 explosive Substances 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 241000237858 Gastropoda Species 0.000 description 1
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Transmission Devices (AREA)
Abstract
The utility model discloses a driver, the problem of big and the little technique of stroke of mounting distance that exists of driver in the current riser is solved, the problem of this technique is solved the scheme mainly include the gear box, set up the drive assembly in the gear box, transmission nut with drive assembly transmission coordination, first lead screw with a transmission nut screw -thread fit, the cover is located first lead screw and outside and revolve to opposite second lead screw with the screw thread of first lead screw, a secondary drive nut and a bottom fixed connection transmission nut with second lead screw screw -thread fit, the connecting piece of top fixed connection secondary drive nut. The utility model discloses mainly be applicable to the riser and the lift stand in fields such as kitchen guarding, official working.
Description
Technical field
This utility model belongs to lowering or hoisting gear technical field, is related to a kind of driver.
Background technology
Lifter is widely used in the fields such as kitchen guarding, office, lifter of the prior art as a kind of lowering or hoisting gear
Driver is driven to realize the lifting of lowering or hoisting gear using a motor, the driver in lifter of the prior art is usual
Using traditional screw mechanism, it has that locating distance is big and stroke is little.
Utility model content
This utility model purpose to be reached just is to provide a kind of driver, and the driver solved in existing lifter is deposited
The technical problem that locating distance is big and stroke is little.
In order to achieve the above object, this utility model is adopted the following technical scheme that：A kind of driver, including gear-box, set
The first transmission nut and the first transmission nut screw thread that the transmission component being placed in gear-box and transmission component transmission coordinate is matched somebody with somebody
Close the first screw mandrel, be sheathed on the first screw mandrel outside and second screw mandrel contrary with the thread rotary orientation of the first screw mandrel and second
The second transmission nut and bottom that bar screw thread coordinates is fixedly connected the first transmission nut, top and is fixedly connected the second transmission nut
Connector.
Further, the transmission component includes the worm gear being arranged in gear-box and the snail with worm gear engaged transmission
Bar.
Further, the worm gear has the endoporus of the bearing position and axle center insertion worm gear along worm gear being coaxially disposed, institute
State and the bearing coordinated with bearing position is installed in gear-box, first transmission nut has to be coaxially disposed and fix with endoporus matches somebody with somebody
The fixing axle of conjunction.
Further, the transmission component also includes driving gear set, and the input of the driving gear set is same with worm gear
Axle transmission, the outfan of the driving gear set and the first transmission nut coaxial transmission.
Further, the driving gear set includes and the bevel gear of worm gear coaxial transmission and coaxial with the first transmission nut
The bevel gear of transmission；Or, the driving gear set includes the first helical gear with worm gear coaxial transmission and is driven spiral shell with first
Second helical gear of female coaxial transmission.
Further, the bottom of first transmission nut is provided with the first external screw thread, the top of second transmission nut
The second external screw thread is provided with, the top and bottom of the connector are equipped with screw, outside the screw and first at the top of the connector
It is threaded through threaded connection to be fixedly linked, the screw and the second external screw thread of the connector bottom are threaded connection fixing phase
Even.
Further, the head end of first screw mandrel is provided with first flange, and the head end of second screw mandrel is provided with the second method
It is blue.
After above-mentioned technical proposal, this utility model has the advantage that：
Driver of the present utility model, is set with each other by the first screw mandrel and the second screw mandrel, is driven in transmission component
When first transmission nut rotates, the second transmission nut is by connector and the first transmission nut synchronous rotary so that the first screw mandrel
Can reversely separate with the second screw mandrel or the first screw mandrel can be stretched in the second screw mandrel, the first screw mandrel and the second screw mandrel reversely divide
From when, the first screw mandrel stretches out the second screw mandrel, increased lifter can elevated height, the first screw mandrel can be stretched in the second screw mandrel
When, lifter is collapsible to minimum, reduces the locating distance of driver, is easy to be received using the lifter of the driver.
Description of the drawings
Below in conjunction with the accompanying drawings the utility model is described in further detail：
Fig. 1 is the dimensional structure diagram of the mid-riser of this utility model embodiment one；
Fig. 2 is the explosive view of the mid-riser of this utility model embodiment one；
Fig. 3 is the explosive view of driving means in this utility model embodiment one；
Fig. 4 is the explosive view of lead column in this utility model embodiment one；
Fig. 5 is the explosive view of driver in this utility model embodiment two.
Specific embodiment
Embodiment one：
As shown in Figure 1 to Figure 3, this utility model provides a kind of lifter, including the first installing plate 1, the second installing plate 2,
The 3rd installing plate 3 between the first installing plate 1 and the second installing plate 2 and the second installing plate 2 and the 3rd installation can be driven
The driving means of the lifting of plate 3, driving means are respectively provided with the motor 4 and two drivers 5 of output shaft 41 including two ends, drive
Each output shaft 41 of galvanic electricity machine 4 coordinates with a transmission of motor 5, and driver 5 includes being installed on the 3rd installing plate 3
Gear-box 51, the worm gear 52 being arranged in gear-box 51, the output shaft 41 for being connected to motor 4 and stretch into gear-box 51 with
First transmission nut 54 and the screw thread of the first transmission nut 54 of the worm screw 53 of the engaged transmission of worm gear 52 and the connection of worm gear 52 coordinates
The first screw mandrel 55, be sheathed on the outside of the first screw mandrel 55 and second screw mandrel 56 contrary with the thread rotary orientation of the first screw mandrel 55 and
The second transmission nut 57 and bottom that the screw thread of second screw mandrel 56 coordinates is fixedly connected the first transmission nut 54, top and is fixedly connected
The connector 58 of the second transmission nut 57, worm gear 52 is set in the outside of the first transmission nut 54 and is coaxially disposed, and both can lead to
Cross to be integrally machined and be shaped to an entirety, it is also possible to by assembly connection together, the first transmission nut 54 turns with worm gear 52 is synchronous
Dynamic, the top of the first screw mandrel 55 is fixedly connected through the housing and the 3rd installing plate 3 of gear-box 51 with the first installing plate 1, and second
The bottom of screw mandrel 56 is fixedly connected with the second installing plate 2, because motor 4 and gear-box 51 have been arranged on the 3rd installing plate 3
On, stroke and the installation site of motor 4 and gear-box 51 of the 3rd installing plate 3 partially overlap, and this reduces lifting
The axially mounted size of device, the mounting means being arranged on respect to motor 4 and gear-box 51 on second installing plate 2, lifter
Locating distance reduced, the first screw mandrel 55 is solid screw mandrel, and the second screw mandrel 56 is hollow screw mandrel, the bottom of the first screw mandrel 55
End can extend into or out the endoporus of the second screw mandrel 56, be set with each other by the first screw mandrel 55 and the second screw mandrel 56, drive
Device rises when stretching out, and the first screw mandrel 55 and the second screw mandrel 56 are reversely separated, increased lifter can elevated height, and driving
Dynamic device declines when shrinking, and the second screw mandrel 56 can be sleeved in the first screw mandrel 55 so that lifter be collapsible to it is minimum, further
Mounting distance is reduced, and is easy to the storage of lifter, and adopt two sets of drivers 5 to drive, lifting can lifter
Run in journey more steadily, and two sets of drivers only need to be driven by a motor with two output shafts
It is dynamic, the volume of driving means is reduced, easy for installation, cost is lower.
The course of work of driving means is：The output shaft 41 of motor 4 drives worm screw 53 to rotate, and worm screw 53 drives worm gear
52 rotations so that the first transmission nut 54 is made with the coaxial rotating of worm gear 52, the second transmission nut 57 by the transmission of connector 58
With with the synchronous axial system of the first transmission nut 54, because the top of the first screw mandrel 55 is fixedly connected with the first installing plate 1, the second screw mandrel
56 bottom is fixedly connected with the second installing plate 2, therefore, when the first transmission nut 54 and the second 57 synchronous rotary of transmission nut,
The first screw mandrel 55 and the second screw mandrel 56 will be driven to move along its respective axial direction simultaneously, and due to the first screw mandrel 55 and the
The thread rotary orientation of two screw mandrels 56 is conversely, the moving direction of the first screw mandrel 55 and the second screw mandrel 56 will be conversely, so that drive first
Simultaneously relative 3rd installing plate moves reciprocatingly the installing plate 2 of installing plate 1 and second, when the second installing plate 2 is positioned on ground,
That is the second installing plate 2 is fixed, then the motion mode of lifter will be changed into the first installing plate 1 and the 3rd installation
Relative second installing plate 2 of plate 3 is moved up and down, and only need to control rotating and reverse for motor 4, it is possible to control lifter
Lifting.
In the present embodiment, worm gear 52 has the bearing position 521 and the axle center insertion worm gear 52 along worm gear 52 being coaxially disposed
Endoporus, the bearing 522 coordinated with bearing position 521 is installed in gear-box 51, the first transmission nut 54 have be coaxially disposed and
With the fixing axle 541 of endoporus secure fit.
In the present embodiment, gear-box 51 includes casing 511 and case lid 512, and casing 511 is by bolt and the 3rd installing plate
3 are fixedly connected, and the shell of casing 511 is provided with first through hole 511a, and the output shaft 41 of motor 4 passes through first through hole 511a
Stretch in gear-box 51 and the engaged transmission of worm gear 52.
The bottom of the first transmission nut 54 is provided with the first external screw thread 542, and the top of the second transmission nut 57 is provided with outside second
Screw thread 571, in the present embodiment, connector 58 is pipe structure, and the top and bottom of connector 58 are equipped with screw, connector
The screw at 58 tops is threaded connection with the first external screw thread 571 and is fixedly linked, the screw of the bottom of connector 58 and the second outer spiral shell
Stricture of vagina 571 is threaded connection and is fixedly linked, and connector 58 can also be carried out with the first transmission nut 54 and the second transmission nut 57
Welding causes connection more firm.
Motor 4 and gear-box 51 it is exposed become easily infected by it is dirty and also can easily be subject to accident collision and damage, be
Motor 4 and gear-box 51 are protected, in the outside of motor 4 and gear-box 51 housing 6 is provided with, housing 6 wraps
Include the first housing 61 being fixedly connected with one of gear-box 51 and the second shell being fixedly connected with another gear-box 51
Body 62, the first housing 61 and the second housing 62 are spliced to form the inner chamber that accommodates motor 4 and gear-box 51 and for connector 58
The second through hole 63 for passing through.
For the ease of the fixed installation of the first screw mandrel 55 and the first installing plate 1, the first installing plate 1 is provided with first flange
11, the top of the first screw mandrel 55 is fixedly connected with first flange 11, and the 3rd installing plate 3 is provided with and is available for what first flange 11 was stretched into
Third through-hole 31, when lifter is in extreme lower position, first flange 11 can be extend in third through-hole 31, so as to eliminate the
The thickness of one flange 11 to lifter to the 3rd installing plate 3 produce interference, allow lifter minimum altitude be made it is lower.
In the present embodiment, the second installing plate 2 is provided with connecting cylinder 21, and connecting cylinder 21 includes being available for what connector 58 was stretched into
Cylinder 211 and connector drum 211 and the second flange 212 of the second installing plate 2 is fixed on, bottom and second method of the second screw mandrel 56
Blue 212 are fixedly connected, and cylinder 211 surrounds the bottom of the second screw mandrel 56, can to a certain extent mitigate the booties such as dust and be stained with
Contaminate on the second screw mandrel 56, the problem for causing the transmission of the second transmission nut 57 to have some setbacks, when lifter declines, connector 58 can
In progressively to stretch into cylinder 211, cylinder 211 will not produce interference to the decline of connector 58.
Power line 22 is fixed on the side wall of the second installing plate 2, and the side wall through the second installing plate 2 introduces the second installation
Connection motor 4 after between the installing plate 3 of plate 2 and the 3rd, power line 22 is located between the second installing plate 2 and the 3rd installing plate 3
The length that arranged according to the range of motor 4 of line segment or be set to spring power line, run to most in lifter
During big height, the power line 22 between the second installing plate 2 and the 3rd installing plate 3 will be raised with motor 4,
During lifter is run to minimum constructive height, the power line 22 between the second installing plate 2 and the 3rd installing plate 3 will
The bottom of the second installing plate 2 is fallen with the reduction of motor 4, therefore, the setting of power line 22 will not be to lifter
Stroke is interfered.
As shown in Figure 2 and Figure 4, in order to further improve stability of the lifter in lifting process, the first installing plate 1 and
At least one lead column 7 is provided between two installing plates 2, the present embodiment employs two lead columns 7, and two lead columns 7 are divided respectively
Cloth includes the first guide pipe 71, the second guide pipe 72 and the 3rd guide pipe 73 in the both sides of driving means, lead column 7, and first leads
The first slip cap 71a is arranged with the bottom outer wall of pipe 71, on the top inwall of the second guide pipe 72 the second slip is arranged with
Set 72a, is arranged with the 3rd slip cap 72b on the bottom outer wall of the second guide pipe 72, cover on the top inwall of the 3rd guide pipe 73
The 4th slip cap 73a is provided with, the bottom of the first guide pipe 71 is located in the second guide pipe 72, and the bottom of the second guide pipe 72 is located at
In 3rd guide pipe 73, the first slip cap 71a and the second slip cap 72a is located at the outer wall and the second guide pipe of the first guide pipe 71
Between 72 inwall, the 3rd slip cap 72b and the 4th slip cap 73a is located at the outer wall and the 3rd guide pipe 73 of the second guide pipe 72
Inwall between, the inwall of the outer wall of the first guide pipe 71 and the second guide pipe 72 is slided by the first slip cap 71a and second
Set 72a realizes sliding axially, and the inwall of the outer wall of the second guide pipe 72 and the 3rd guide pipe 73 is by the 3rd slip cap 72b and the
Four slip cap 73a realize sliding axially so that the first guide pipe 71, the second guide pipe 72 and the 3rd guide pipe 73 are axially opposed
Slide more smoothly and stable.
The top of the first guide pipe 71 is fixedly connected with ring flange 71b, and ring flange 71b is by bolt and the first installing plate 1
It is fixedly connected, the top of the second guide pipe 72 is fixedly connected with the 3rd installing plate 3, the 3rd guide pipe 73 and the second installing plate 2 are consolidated
Fixed connection.
Second installing plate 2 is provided with the collar 8, and the collar 8 is set in the outside of the 3rd lead column 73 and with disjunct first
End 8a and the second end 8b, first end 8a and the second end 8b are bolted and tighten up the collar 8, so that the collar 8 and the 3rd is oriented to
Post 73 is fixedly connected, and the bottom of the 3rd lead column 73 passes through the second installing plate 2 and is threaded with adjusting nut 9, and the 3rd is oriented to
The face of cylinder of the bottom of post 73 is provided with external screw thread 731, and external screw thread 731 is connected with the female thread of adjusting nut 9, adjusting nut 9
Bottom is supported on the mounting surface in installation environment as the supporting part of lifter, and operator's rotating adjusting nut 9 just can be with
The 3rd lead column 73 is axially moveable so as to drive lifter to be finely adjusted lifting, the outer peripheral face of adjusting nut 9 is provided with convex
Muscle 91, in manual rotation adjusting nut 9, convex tendon 91 can increase frictional force, prevent operator's hand from skidding.
Embodiment two：
As shown in figure 5, the present embodiment is with the difference of embodiment one, transmission component also includes driving gear set,
The input of driving gear set and the coaxial transmission of worm gear 52, the outfan of driving gear set and the coaxial biography of the first transmission nut 54
It is dynamic.
In the present embodiment, driving gear set include bevel gear 521 with the coaxial transmission of worm gear 52 and with the first transmission spiral shell
The bevel gear 522 of female 54 coaxial transmissions, transmission process is carried out after 90 ° of commutation transmissions, by umbrella by worm gear 52 and worm screw 53
Gear 521 and bevel gear 522 carry out again 90 ° of commutation transmissions so that the axle center of the outfan 41 of motor 4 passes with first
Dynamic nut 54 can be arranged in parallel.
Certainly, driving gear set can also be using other gear assembled structures, as long as can realize worm gear 52 and first
The structure that the transmission of transmission nut 54 coordinates, such as：Driving gear set includes the first helical gear with the coaxial transmission of worm gear 52
And the second helical gear with the coaxial transmission of the first transmission nut 54, it is same by the first helical gear and the second helical gear staggered transmission
Sample can realize 90 ° of commutation transmissions.
In the present embodiment, the head end of the second screw mandrel 56 is still fixedly connected second flange 212, but need not arrange enforcement
Cylinder in example one.
In addition to above preferred embodiment, this utility model also has other embodiments, and those skilled in the art can be with root
It is variously modified according to this utility model and deforms, without departing from spirit of the present utility model, this utility model all should be belonged to
Scope as defined in the claims.
Claims (7)
1. a kind of driver, it is characterised in that pass including gear-box, the transmission component being arranged in gear-box and transmission component
The first screw mandrel that dynamic the first transmission nut for coordinating and the first transmission nut screw thread coordinate, be sheathed on the first screw mandrel outside and with
The second transmission nut and bottom that the second contrary screw mandrel of the thread rotary orientation of the first screw mandrel and the second wire rod thread coordinate is fixed
Connect the connector that the first transmission nut, top are fixedly connected the second transmission nut.
2. a kind of driver according to claim 1, it is characterised in that the transmission component includes being arranged in gear-box
Worm gear and the worm screw with worm gear engaged transmission.
3. a kind of driver according to claim 2, it is characterised in that the worm gear have the bearing position that is coaxially disposed and
Along the endoporus of the axle center insertion worm gear of worm gear, the bearing coordinated with bearing position, first transmission are installed in the gear-box
Nut have be coaxially disposed and with the fixing axle of endoporus secure fit.
4. a kind of driver according to claim 2, it is characterised in that the transmission component also includes driving gear set,
The input of the driving gear set and worm gear coaxial transmission, the outfan of the driving gear set is coaxial with the first transmission nut
Transmission.
5. a kind of driver according to claim 1, it is characterised in that the driving gear set includes coaxially being passed with worm gear
Dynamic bevel gear and the bevel gear with the first transmission nut coaxial transmission；Or, the driving gear set includes coaxial with worm gear
First helical gear and the second helical gear with the first transmission nut coaxial transmission of transmission.
6. a kind of driver according to claim 1, it is characterised in that the bottom of first transmission nut is provided with first
External screw thread, is provided with the second external screw thread at the top of second transmission nut, the top and bottom of the connector are equipped with screw,
Screw at the top of the connector is threaded connection with the first external screw thread and is fixedly linked, the screw of the connector bottom and
Two external screw threads are threaded connection and are fixedly linked.
7. a kind of driver according to claim 1 to 5 any one, it is characterised in that the head end of first screw mandrel
First flange is provided with, the head end of second screw mandrel is provided with second flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621065648.8U CN206142726U (en) | 2016-09-20 | 2016-09-20 | Driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621065648.8U CN206142726U (en) | 2016-09-20 | 2016-09-20 | Driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206142726U true CN206142726U (en) | 2017-05-03 |
Family
ID=58619642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621065648.8U Expired - Fee Related CN206142726U (en) | 2016-09-20 | 2016-09-20 | Driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206142726U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107158682A (en) * | 2017-07-07 | 2017-09-15 | 青岛英派斯健康科技股份有限公司 | A kind of handrail jacking system and the skiing simulating machine with the system |
| CN109114187A (en) * | 2018-09-20 | 2019-01-01 | 佛山科学技术学院 | A kind of damping push rod |
| CN109124909A (en) * | 2018-09-20 | 2019-01-04 | 佛山科学技术学院 | A kind of improved wheelchair |
-
2016
- 2016-09-20 CN CN201621065648.8U patent/CN206142726U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107158682A (en) * | 2017-07-07 | 2017-09-15 | 青岛英派斯健康科技股份有限公司 | A kind of handrail jacking system and the skiing simulating machine with the system |
| CN109114187A (en) * | 2018-09-20 | 2019-01-01 | 佛山科学技术学院 | A kind of damping push rod |
| CN109124909A (en) * | 2018-09-20 | 2019-01-04 | 佛山科学技术学院 | A kind of improved wheelchair |
| CN109114187B (en) * | 2018-09-20 | 2023-03-14 | 佛山科学技术学院 | Shock attenuation push rod |
| CN109124909B (en) * | 2018-09-20 | 2023-12-29 | 佛山科学技术学院 | Improved wheelchair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170503 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |