CN110388418A - A kind of jacking system drive mechanism - Google Patents
A kind of jacking system drive mechanism Download PDFInfo
- Publication number
- CN110388418A CN110388418A CN201910783539.1A CN201910783539A CN110388418A CN 110388418 A CN110388418 A CN 110388418A CN 201910783539 A CN201910783539 A CN 201910783539A CN 110388418 A CN110388418 A CN 110388418A
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- Prior art keywords
- gear
- worm
- self
- drive mechanism
- jacking system
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- 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.)
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Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 90
- 230000009467 reduction Effects 0.000 claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000000465 moulding Methods 0.000 claims description 6
- 241000237858 Gastropoda Species 0.000 claims description 4
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B9/00—Tables with tops of variable height
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/10—Telescoping systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
- F16H1/203—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with non-parallel axes
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B2200/00—General construction of tables or desks
- A47B2200/0035—Tables or desks with features relating to adjustability or folding
- A47B2200/005—Leg adjustment
- A47B2200/0051—Telescopic
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
Abstract
The present invention provides a kind of jacking system drive mechanisms, are related to mechanical lifting gear technical field, solve and pass through single-stage worm and gear deceleration transmission, the technical problem of single-stage worm and gear self-lock force difference in jacking system between actuator and screw rod.The device includes self-locking worm gear worm mechanism and train of reduction gears, self-locking worm gear worm mechanism is connected with driving device, self-locking worm gear worm mechanism and train of reduction gears are sequentially connected, train of reduction gears is connected with executing agency, and train of reduction gears can reduce executing agency and reach the torque of worm gear structure to increase self-locking worm gear worm mechanism self-lock ability.The present invention is used to be promoted the self-lock ability of worm and gear.
Description
Technical field
The present invention relates to mechanical lifting gear technical fields, more particularly, to a kind of jacking system drive mechanism.
Background technique
Existing electric elevatable table or lifting platform usually install lifting system at the scalable place of electric elevatable table or lifting platform
System is with lifting desk surface or platform, and wherein jacking system generally includes driver and at least one linear actuating device, Linear Driving
It is connected with motor housing at the top of device, driver is installed in motor housing；Linear actuating device includes the outer of opposite sliding
Pipe and inner tube, outer tube are fixedly connected with motor housing, install center pedestal with threaded hole in the inner hole of inner tube, in threaded hole
It is threadedly coupled a lead screw, and the driving end of lead screw and the shaft of driver connect, driver drives lead screw rotation, to make pedestal
Length direction together with inner tube along lead screw moves, and realizes the lifting action of linear actuating device.
Applicants have discovered that at least there is following technical problem in the prior art:
Pass through single-stage worm and gear deceleration transmission in existing jacking system between actuator and screw rod, single-stage worm and gear
Self-lock force is poor；
In existing jacking system when worm and gear single-stage speed reducing, withstood forces greatly between worm gear and worm screw, the degree of wear is big；
Existing jacking system is not closed, and the noise between driver operating or drive mechanism is bigger.
Summary of the invention
The purpose of the present invention is to provide a kind of jacking system drive mechanisms, to solve to exist in the prior art lifting system
Pass through single-stage worm and gear deceleration transmission, the technical problem of single-stage worm and gear self-lock force difference in system between actuator and screw rod.
Many technical effects elaboration as detailed below that optimal technical scheme in many technical solutions provided by the invention can be generated.
To achieve the above object, the present invention provides following technical schemes:
A kind of jacking system drive mechanism provided by the invention, including self-locking worm gear worm mechanism and train of reduction gears,
Self-locking worm gear worm mechanism is connected with driving device, and self-locking worm gear worm mechanism and train of reduction gears are sequentially connected, reducing gear
Wheel group is connected with executing agency, and train of reduction gears can reduce executing agency, and to reach the torque of worm gear structure self-locking to increase
Worm gear mechanism self-lock ability.
Alternatively and preferably, train of reduction gears is at least primary speed-down mechanism.
Alternatively and preferably, train of reduction gears includes first gear, second gear, third gear and the 4th gear, and
The worm gear of one gear and self-locking worm gear worm mechanism is coaxially connected, and first gear is meshed with the second gear and the two forms level-one
Slow down, third gear and second gear are coaxially connected, and third gear and the 4th gear are meshed to form double reduction, the 4th tooth
Wheel is connected with executing agency.
Alternatively and preferably, first gear and worm gear are an integral molding structure or both is connected by shaft；
Second gear and third gear are an integral molding structure or both to be connected by shaft.
Alternatively and preferably, third gear and the 4th gear are umbrella tooth, and the 4th gear is arranged in self-locking worm gear worm screw
The worm screw of the top of mechanism and the 4th gear and self-locking worm gear worm mechanism is coaxially disposed.
Alternatively and preferably, the worm screw of self-locking worm gear worm mechanism is vertically arranged, and worm screw is connected with driving device, the
Side of the first gear close to worm axis is arranged in two gears.
Alternatively and preferably, self-locking worm gear worm mechanism includes worm screw and at least two worm gears, week of the worm gear along worm screw
To directional spreding；First gear, second gear and third gear form main drive mechanism, and each worm gear passes through transmission respectively
Main body mechanism is connected with the 4th gear.
Alternatively and preferably, main drive mechanism is between the 4th gear and driving device.
Alternatively and preferably, jacking system drive mechanism further include: outer tube body, driving device, self-locking worm gear snail
Linkage and train of reduction gears are located in outer tube body.
A kind of electric elevatable table or lifting platform jacking system, including jacking system drive mechanism.
A kind of jacking system drive mechanism provided by the invention combines self-locking worm gear worm mechanism with train of reduction gears
It uses, train of reduction gears can change rotating torque, and the torque for reaching executing agency between worm gear 2 and worm screw 1 becomes smaller, self-locking snail
Worm and gear mechanism can support heavier object by the self-locking of itself, enhance the self-locking energy of self-locking worm gear worm mechanism
Power.
Optimal technical scheme of the present invention can also at least have the following technical effects:
1, driving device is directly installed in inside outer tube body, and the noise that the driving device in space-closed generates is by outer tube
Body isolation, it is smaller that driving device propagates to extraneous noise；
2, the worm screw of the 4th gear of the invention and self-locking worm gear worm mechanism is coaxially disposed, which to drive
Device setting direction and the lifting device direction of motion are in the same direction.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of jacking system drive mechanism provided in an embodiment of the present invention；
Fig. 2 is a kind of partial enlarged view of jacking system drive mechanism provided in an embodiment of the present invention；
Fig. 3 is the multiple groups main drive mechanism and worm gear of a kind of jacking system drive mechanism provided in an embodiment of the present invention
Worm screw connection schematic diagram；
Fig. 4 is the single group main drive mechanism and worm gear of a kind of jacking system drive mechanism provided in an embodiment of the present invention
Worm screw connection schematic diagram
Fig. 5 is the external structure signal of a kind of electric elevatable table or lifting platform jacking system provided in an embodiment of the present invention
Figure；
Fig. 6 is that a kind of a kind of electric elevatable table of jacking system drive mechanism provided in an embodiment of the present invention or lifting platform are used
The sectional view of jacking system；
1, worm screw in figure；2, worm gear；3, first gear；4, second gear；5, third gear；6, the 4th gear；7, outer tube
Body；8, motor.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the present invention provides a kind of jacking system drive mechanisms, including self-locking worm gear
Worm mechanism and train of reduction gears, wherein self-locking worm gear worm mechanism is connected with driving device, self-locking worm gear worm mechanism with
Train of reduction gears transmission connection, train of reduction gears are connected with executing agency, and train of reduction gears can reduce executing agency and reach snail
The torque of worm and gear structure is to increase self-locking worm gear worm mechanism self-lock ability.The present invention is by self-locking worm gear worm mechanism and slows down
Gear set is applied in combination, and train of reduction gears can change rotating torque, and executing agency is made to reach the torque between worm gear 2 and worm screw 1
Become smaller, self-locking worm gear worm mechanism can support heavier object by the self-locking of itself, enhance self-locking worm gear worm screw machine
The self-lock ability of structure.
Optionally embodiment, referring to fig. 2, Fig. 3 and Fig. 4, train of reduction gears be at least primary speed-down mechanism.Slow down
Gear set includes multiple groups reduction gearing, so that the drive mechanism of jacking system reaches actual slowing effect.
Optionally embodiment, referring to fig. 2, Fig. 3 and Fig. 4, train of reduction gears include first gear 3, second gear
4, third gear 5 and the 4th gear 6, first gear 3 and the worm gear 2 of self-locking worm gear worm mechanism are coaxially connected, first gear 3 with
Second gear 4 is meshed and the two forms primary speed-down, and third gear 5 and second gear 4 are coaxially connected, third gear 5 and the
Four gears 6 are meshed to form double reduction, and the 4th gear 6 is connected with executing agency.
Specifically, the present apparatus uses two reduction gear.
Specifically, third gear 5 and the 4th gear 6 are respectively umbrella tooth, first gear 3 and 4 phase of second gear in the present apparatus
Engagement and the two form primary speed-down, first gear 3 and second gear 4 coaxially connected, the small bevel gear with worm gear 2, small bevel gear respectively
Double reduction is formed with gamp tooth.
First gear 3 and worm gear are an integral molding structure or both to be connected by shaft；
Second gear 4 and third gear 5 are an integral molding structure or both to be connected by shaft.
Optionally embodiment, referring to fig. 2, Fig. 3 and Fig. 6, third gear 5 and the 4th gear 6 are umbrella tooth, and the 4th
The top of self-locking worm gear worm mechanism is arranged in gear 6 and the worm screw 1 of the 4th gear 6 and self-locking worm gear worm mechanism coaxially sets
It sets.Power is transferred to executing agency along the direction for being parallel to 8 output shaft of motor by train of reduction gears by the present apparatus.
Specifically, worm screw 1 connects the output shaft of motor 8 in the same direction, worm screw 1 passes through worm gear 2, first gear 3, second gear 4
And power is transferred to gamp tooth by small bevel gear, gamp tooth rotation around axis can be in parallel relation, gamp tooth with the axis of worm screw 1
It rotates and executing agency is driven to do stretching motion, so that the output shaft of motor 8 and the rotation axis of gamp tooth are in the same direction.
Specifically, referring to Fig. 6, present apparatus gamp tooth rotation around axis and the axis of worm screw 1 be in collinear relationship, this makes
The output shaft of gamp tooth and motor 8 that execution structure must be connected is located on the same line, so that present apparatus driving structure and biography
Dynamic structure can be arranged along straight line.
In the present apparatus gamp tooth rotation around axis and the axis of worm screw 1 can also intersect so that executing structure towards certain angle
Degree inclination.
Referring to fig. 2, the worm screw 1 of Fig. 3 and Fig. 4, self-locking worm gear worm mechanism are vertically arranged, and worm screw 1 is connected with driving device
It connects, first gear 3 is arranged in close to the side of worm axis in second gear 4.
Optionally embodiment, referring to fig. 2, Fig. 3 and Fig. 4, self-locking worm gear worm mechanism include worm screw and at least two
A worm gear, worm gear 2 are distributed along the circumferential direction of worm screw；First gear 3, second gear 4 and third gear 5 form transmission main body
Mechanism, each worm gear pass through main drive mechanism respectively and are connected with the 4th gear 6.This kind of drive passes through first gear 3, the
Two gears 4 and third gear 5 form main drive mechanism connection worm gear 2 and the 4th gear 6 and drive the rotation of the 4th gear 6.
One or more groups of main drive mechanism connection worm gears 2 and the 4th gear 6 can be used in the present apparatus.
Specifically, referring to fig. 4, the mode that worm gear 2 is connect with one group of main drive mechanism is shown in the figure.
Specifically, the figure illustrates the mode that 2 worm screw 1 of worm gear connect with two groups of main drive mechanisms, worm gears 2 referring to Fig. 3
And the 4th connected using multiple groups main drive mechanism between gear 6.
The present apparatus does not limit the number of main drive mechanism, can increase or decrease transmission main body machine according to actual needs
The number of structure.
Referring to fig. 2, main drive mechanism is between the 4th gear 6 and driving device.Self-locking worm gear worm mechanism and subtract
Fast gear set is set in gear-box.
Optionally embodiment, referring to Fig. 5 and Fig. 6, the jacking system drive mechanism further include: outer tube body 7 drives
Dynamic device, self-locking worm gear worm mechanism and train of reduction gears are located in outer tube body 7.Driving device is directly installed in inside outer tube body,
The noise that driving device in space-closed generates is completely cut off by outer tube body, and it is smaller that driving device propagates to extraneous noise.
A kind of electric elevatable table or lifting platform jacking system, including jacking system drive mechanism.Above-mentioned electric up-down
Table or lifting platform jacking system use this structure that the self-lock ability of worm gear structure can be made stronger, bigger with load capacity
Object, while above-mentioned electric elevatable table or lifting platform jacking system driving structure and drive mechanism can be set along straight line
It sets, thus can directly be encapsulated into the table leg of electric table and make electric elevatable table tailored appearance.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of jacking system drive mechanism, which is characterized in that including self-locking worm gear worm mechanism and train of reduction gears,
In,
The self-locking worm gear worm mechanism is connected with driving device, the self-locking worm gear worm mechanism and the train of reduction gears
Transmission connection, the train of reduction gears are connected with executing agency, and the train of reduction gears can reduce the executing agency and reach
The torque of the worm gear structure is to increase the self-locking worm gear worm mechanism self-lock ability.
2. jacking system drive mechanism according to claim 1, which is characterized in that the train of reduction gears is at least one
Grade deceleration mechanism.
3. jacking system drive mechanism according to claim 2, which is characterized in that the train of reduction gears includes first
Gear (3), second gear (4), third gear (5) and the 4th gear (6), the first gear (3) and the self-locking worm gear snail
The worm gear of linkage is coaxially connected, and the first gear (3) is meshed with the second gear (4) and the two forms level-one and subtracts
Speed, the third gear (5) and the second gear (4) are coaxially connected, the third gear (5) and the 4th gear (6)
It is meshed to form double reduction, the 4th gear (6) is connected with the executing agency.
4. jacking system drive mechanism according to claim 3, which is characterized in that the first gear (3) with it is described
Worm gear is an integral molding structure or both to be connected by shaft；
The second gear (4) and the third gear (5) are an integral molding structure or both to be connected by shaft.
5. jacking system drive mechanism according to claim 3, which is characterized in that the third gear (5) and described
4th gear (6) is umbrella tooth, and the top and the described 4th of the self-locking worm gear worm mechanism is arranged in the 4th gear (6)
The worm screw of gear (6) and the self-locking worm gear worm mechanism is coaxially disposed.
6. jacking system drive mechanism according to claim 3, which is characterized in that the self-locking worm gear worm mechanism
Worm screw is vertically arranged, and the worm screw is connected with the driving device, and the second gear (4) is arranged in the first gear
(3) close to the side of the worm axis.
7. the jacking system drive mechanism according to any one of claim 3-6, which is characterized in that the self-locking worm gear
Worm mechanism includes worm screw and at least two worm gears, and the worm gear is distributed along the circumferential direction of the worm screw；The first gear
(3), the second gear (4) and the third gear (5) form main drive mechanism, and each worm gear passes through institute respectively
Main drive mechanism is stated to be connected with the 4th gear (6).
8. jacking system drive mechanism according to claim 7, which is characterized in that the main drive mechanism is located at institute
It states between the 4th gear (6) and the driving device.
9. jacking system drive mechanism according to claim 1, which is characterized in that the jacking system drive mechanism
Further include: outer tube body (7), the driving device, the self-locking worm gear worm mechanism and the train of reduction gears are located at described outer
In tube body (7).
10. a kind of electric elevatable table or lifting platform jacking system, which is characterized in that including any one of claim 1-9 institute
The jacking system drive mechanism stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910783539.1A CN110388418A (en) | 2019-08-23 | 2019-08-23 | A kind of jacking system drive mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910783539.1A CN110388418A (en) | 2019-08-23 | 2019-08-23 | A kind of jacking system drive mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110388418A true CN110388418A (en) | 2019-10-29 |
Family
ID=68289256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910783539.1A Pending CN110388418A (en) | 2019-08-23 | 2019-08-23 | A kind of jacking system drive mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN110388418A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102057183A (en) * | 2008-06-06 | 2011-05-11 | 利纳克有限公司 | Gear with at least two gearing stages, a linear actuator comprising such a gear and a table leg comrising such a linear actuator |
| CN204205823U (en) * | 2014-11-19 | 2015-03-11 | 浙江捷昌线性驱动科技股份有限公司 | A kind of motor deceleration device |
| CN104879447A (en) * | 2014-02-28 | 2015-09-02 | 日本电产三协株式会社 | Motor unit |
| JP2016050629A (en) * | 2014-08-29 | 2016-04-11 | 曙ブレーキ工業株式会社 | Gear unit and brake device |
| CN106122379A (en) * | 2016-08-21 | 2016-11-16 | 凌子龙 | Double worm gears conjugation reductor |
| CN207426905U (en) * | 2017-11-30 | 2018-05-29 | 温州市路搏汽车配件有限公司 | A kind of decelerating motor |
| JP2019017527A (en) * | 2017-07-13 | 2019-02-07 | 東和パーツ株式会社 | Ascending/descending support leg and driving device thereof |
| CN209262161U (en) * | 2018-11-28 | 2019-08-16 | 深圳市力辉电机有限公司 | A kind of double worm gear arrangements of micro-machine gear-box |
| CN211501492U (en) * | 2019-08-23 | 2020-09-15 | 善思科技(宁波)有限公司 | Transmission structure for lifting system and lifting system for electric lifting platform |
-
2019
- 2019-08-23 CN CN201910783539.1A patent/CN110388418A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102057183A (en) * | 2008-06-06 | 2011-05-11 | 利纳克有限公司 | Gear with at least two gearing stages, a linear actuator comprising such a gear and a table leg comrising such a linear actuator |
| CN104879447A (en) * | 2014-02-28 | 2015-09-02 | 日本电产三协株式会社 | Motor unit |
| JP2016050629A (en) * | 2014-08-29 | 2016-04-11 | 曙ブレーキ工業株式会社 | Gear unit and brake device |
| CN204205823U (en) * | 2014-11-19 | 2015-03-11 | 浙江捷昌线性驱动科技股份有限公司 | A kind of motor deceleration device |
| CN106122379A (en) * | 2016-08-21 | 2016-11-16 | 凌子龙 | Double worm gears conjugation reductor |
| JP2019017527A (en) * | 2017-07-13 | 2019-02-07 | 東和パーツ株式会社 | Ascending/descending support leg and driving device thereof |
| CN207426905U (en) * | 2017-11-30 | 2018-05-29 | 温州市路搏汽车配件有限公司 | A kind of decelerating motor |
| CN209262161U (en) * | 2018-11-28 | 2019-08-16 | 深圳市力辉电机有限公司 | A kind of double worm gear arrangements of micro-machine gear-box |
| CN211501492U (en) * | 2019-08-23 | 2020-09-15 | 善思科技(宁波)有限公司 | Transmission structure for lifting system and lifting system for electric lifting platform |
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Effective date of registration: 20220329 Address after: 315000 No. 77, Beihai Road, Jiangbei District, Ningbo City, Zhejiang Province Applicant after: NINGBO JIANGYU ELECTRIC APPLIANCE CO.,LTD. Address before: 315000 floor 4, building 1, No. 77, Beihai Road, Jiangbei District, Ningbo City, Zhejiang Province Applicant before: Shansi Technology (Ningbo) Co.,Ltd. |