CN107276306A - A kind of structure improved electric pushrod - Google Patents
A kind of structure improved electric pushrod Download PDFInfo
- Publication number
- CN107276306A CN107276306A CN201710457281.7A CN201710457281A CN107276306A CN 107276306 A CN107276306 A CN 107276306A CN 201710457281 A CN201710457281 A CN 201710457281A CN 107276306 A CN107276306 A CN 107276306A
- Authority
- CN
- China
- Prior art keywords
- gear
- main body
- box
- accommodating cavity
- section bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
Abstract
The invention discloses a kind of structure improved electric pushrod, it includes reduction gear box, drive motor, push rod main body, reduction gear box includes gear box casing, the reduction gear component being embedded in housing accommodating cavity, and reduction gear component includes first gear axle, second gear axle, input gear, output gear；Drive motor is screwed on the preceding surface of gear-box fore shell, push rod main body includes aluminium section bar main body, drive screw is embedded in the main body accommodating cavity of aluminium section bar main body, the moving casing of drive screw periphery is set in, drive screw rearward end sequentially passes through body rear fixed seat, gear-box fore shell and extends to housing accommodating cavity, the output gear that the rearward end installing of drive screw is engaged with the second little gear, moving casing leading section installing push rod driving head；Rotation stop mounting blocks installing drive nut in main body accommodating cavity, moving casing rearward end is connected with drive nut leading section.By said structure design, the present invention has the advantages that novel in design, reliability is good.
Description
Technical field
The present invention relates to electric pushrod technical field, more particularly to a kind of structure improved electric pushrod.
Background technology
As people's living standard is constantly improved, requirement of the people to household goods also more and more higher, emphasis is in moulding
And in terms of functional requirement.
It need to be explained further, for existing furniture item, it is typically designed using stationary structure, in reality
During use, it can not be adjusted according to the need for user.It is existing to meet requirement of the people to multi-functional furniture
Variation in moulding is all realized by electric pushrod in many furniture, to meet the multi-functional demand used.
In addition, the electric pushrod product of existence form various kinds in the prior art；However, for existing electric pushrod product
For, its generally existing designs the poor defect of unreasonable, reliability.
The content of the invention
The purpose of the present invention is to solve the shortcomings of the prior art and a kind of structure improved electric pushrod is provided, the structure
The electric pushrod of improvement is novel in design, reliability is good.
To reach above-mentioned purpose, the present invention is achieved through the following technical solutions.
A kind of structure improved electric pushrod, includes reduction gear box, drive motor, push rod main body, reduction gear box
Include gear box casing, gear box casing includes gear-box fore shell, positioned at gear-box fore shell rear end side and with before gear-box
Shell after the gear-box that shell is spirally connected, the inside of gear box casing forms housing between shell after gear-box fore shell and gear-box and housed
Reduction gear component is embedded with chamber, the housing accommodating cavity of gear box casing, reduction gear component includes first gear axle, position
Second gear axle in first gear next to axis side, first gear axle is provided with the first gear wheel, the first little gear, second gear axle
The second gear wheel, the second little gear are provided with, the first little gear is engaged with the second gear wheel；
Drive motor is screwed on the preceding surface of gear-box fore shell by lock screw, and the power output shaft of drive motor, which is equiped with, to be stretched
Enter to the input gear in housing accommodating cavity, input gear is engaged with the first gear wheel；
Push rod main body includes the aluminium section bar main body extended along fore-and-aft direction, and the inside of aluminium section bar main body is complete before and after forming
The main body accommodating cavity run through, the leading section of aluminium section bar main body is equiped with body front end at the front opening of main body accommodating cavity and fixed
Seat, the rearward end of aluminium section bar main body is equiped with body rear fixed seat at the open rearward end of main body accommodating cavity, and body rear is solid
Reservation is screwed on the preceding surface of gear-box fore shell；It is embedded with and prolongs respectively along fore-and-aft direction in the main body accommodating cavity of aluminium section bar main body
The drive screw stretched, the moving casing for being set in drive screw periphery, the rearward end of drive screw sequentially pass through body rear and consolidated
Reservation, gear-box fore shell simultaneously extend to housing accommodating cavity, and the rearward end of drive screw is equiped with engaged with the second little gear defeated
Go out gear, the leading section of moving casing passes through body front end fixed seat and extends to the front of body front end fixed seat, activity
The leading section of sleeve pipe is equiped with push rod driving head in the front of body front end fixed seat；
Inlay card has rotation stop mounting blocks in the main body accommodating cavity of aluminium section bar main body, and rotation stop mounting blocks, which are equiped with, to be set in outside drive screw
The drive nut enclosed, drive nut is engaged with drive screw, and the leading section of drive nut extends to the front end of rotation stop mounting blocks
Side, the rearward end of moving casing and the leading section of drive nut are connected.
Wherein, the switch installation board extended along fore-and-aft direction is embedded with the main body accommodating cavity of the aluminium section bar main body,
The leading section of switch installation board is equiped with front end travel switch, and the rearward end of switch installation board is equiped with rear end travel switch.
Wherein, the outer surface of the aluminium section bar main body is provided with the fixation lock ear for protruding extension outwardly, and fixed lock ear is opened up
There is fixed lockhole.
Beneficial effects of the present invention are：A kind of structure improved electric pushrod of the present invention, it includes reducing gear
Roller box, drive motor, push rod main body, reduction gear box include gear box casing, gear box casing include gear-box fore shell,
Shell after the gear-box being spirally connected positioned at gear-box fore shell rear end side and with gear-box fore shell, the inside of gear box casing is in before gear-box
Formed after shell and gear-box between shell in housing accommodating cavity, the housing accommodating cavity of gear box casing and be embedded with train of reduction gears
Part, reduction gear component includes first gear axle, the second gear axle positioned at first gear next to axis side, and first gear axle is set
There are the first gear wheel, the first little gear, second gear axle is provided with the second gear wheel, the second little gear, the first little gear and the
Two gear wheels are engaged；Drive motor is screwed on the preceding surface of gear-box fore shell, the power output of drive motor by lock screw
Axle is equiped with the input gear stretched in housing accommodating cavity, and input gear is engaged with the first gear wheel；Push rod main body includes
The aluminium section bar main body extended along fore-and-aft direction, the inside of aluminium section bar main body form before and after completely through main body accommodating cavity,
The leading section of aluminium section bar main body is equiped with the front opening of main body accommodating cavity after body front end fixed seat, aluminium section bar main body
End is equiped with body rear fixed seat at the open rearward end of main body accommodating cavity, and body rear fixed seat is screwed on before gear-box
The preceding surface of shell；The drive screw extended respectively along fore-and-aft direction, suit are embedded with the main body accommodating cavity of aluminium section bar main body
Moving casing in drive screw periphery, the rearward end of drive screw sequentially passes through body rear fixed seat, gear-box fore shell simultaneously
Housing accommodating cavity is extended to, the rearward end of drive screw is equiped with the output gear engaged with the second little gear, moving casing
Leading section passes through body front end fixed seat and extends to the front of body front end fixed seat, and the leading section of moving casing is in main body
The front of front end fixed seat is equiped with push rod driving head；Inlay card has rotation stop mounting blocks in the main body accommodating cavity of aluminium section bar main body,
Rotation stop mounting blocks are equiped with the drive nut for being set in drive screw periphery, and drive nut is engaged with drive screw, drive spiral shell
Female leading section extends to the front of rotation stop mounting blocks, and the rearward end of moving casing and the leading section of drive nut are connected.It is logical
Said structure design is crossed, the present invention has the advantages that novel in design, reliability is good.
Brief description of the drawings
The present invention is further detailed below with accompanying drawing, but the embodiment in accompanying drawing is not constituted to this hair
Bright any limitation.
Fig. 1 is structural representation of the invention.
Fig. 2 is decomposing schematic representation of the invention.
Fig. 3 is Fig. 2 close-up schematic view.
Fig. 4 is diagrammatic cross-section of the invention.
Include in Fig. 1 into Fig. 4：
1 --- reduction gear box 11 --- gear box casing
111 --- gear-box fore shell 112 --- shells after gear-box
113 --- housing accommodating cavity 12 --- reduction gear components
121 --- first gear axle 1211 --- first gear wheels
1212 --- the first little gear 122 --- second gear axles
1221 --- the second gear wheel 1222 --- second little gears
123 --- input gear 124 --- output gears
2 --- drive motor 3 --- push rod main bodys
31 --- aluminium section bar main body 311 --- main body accommodating cavities
32 --- body front end fixed seat 33 --- body rear fixed seats
34 --- drive screw 35 --- moving casings
36 --- push rod driving head 37 --- rotation stop mounting blocks
38 --- drive nut 41 --- switch installation boards
42 --- front end travel switch 43 --- rear end travel switches
5 --- fixed lock ear 51 --- fixed lockholes.
Embodiment
With reference to specific embodiment, the present invention will be described.
As shown in Figures 1 to 4, a kind of structure improved electric pushrod, includes reduction gear box 1, drive motor 2, pushes away
Bar main body 3, reduction gear box 1 includes gear box casing 11, and gear box casing 11 includes gear-box fore shell 111, positioned at tooth
Shell 112 after the rear end side of roller box fore shell 111 and the gear-box being spirally connected with gear-box fore shell 111, the inside of gear box casing 11 is in tooth
Housing accommodating cavity 113, the housing accommodating cavity 113 of gear box casing 11 are formed after roller box fore shell 111 and gear-box between shell 112
Reduction gear component 12 is inside embedded with, reduction gear component 12 includes first gear axle 121, by first gear axle 121
The second gear axle 122 of side, first gear axle 121 is provided with the first gear wheel 1211, the first little gear 1212, second gear axle
122 are provided with the second gear wheel 1221, the second little gear 1222, and the first little gear 1212 is engaged with the second gear wheel 1221.
Wherein, drive motor 2 is screwed on the preceding surface of gear-box fore shell 111, the power of drive motor 2 by lock screw
Output shaft is equiped with the input gear 123 stretched in housing accommodating cavity 113, and input gear 123 is nibbled with the first gear wheel 1211
Close.
Further, push rod main body 3 includes the aluminium section bar main body 31 extended along fore-and-aft direction, aluminium section bar main body 31
Inside form before and after completely through main body accommodating cavity 311, the leading section of aluminium section bar main body 31 is in before main body accommodating cavity 311
Body front end fixed seat 32 is equiped with end opening, the rearward end of aluminium section bar main body 31 is in the open rearward end of main body accommodating cavity 311
Place is equiped with body rear fixed seat 33, and body rear fixed seat 33 is screwed on the preceding surface of gear-box fore shell 111；Aluminium section bar master
The drive screw 34 extended respectively along fore-and-aft direction is embedded with the main body accommodating cavity 311 of body 31, drive screw 34 is set in
The moving casing 35 of periphery, the rearward end of drive screw 34 sequentially passes through body rear fixed seat 33, gear-box fore shell 111 and prolonged
Housing accommodating cavity 113 is extended, the rearward end of drive screw 34 is equiped with the output gear 124 engaged with the second little gear 1222,
The leading section of moving casing 35 passes through body front end fixed seat 32 and extends to the front of body front end fixed seat 32, movable sleeve
The leading section of pipe 35 is equiped with push rod driving head 36 in the front of body front end fixed seat 32.
Further, inlay card has rotation stop mounting blocks 37, rotation stop mounting blocks in the main body accommodating cavity 311 of aluminium section bar main body 31
37 are equiped with the drive nut 38 for being set in the periphery of drive screw 34, and drive nut 38 is engaged with drive screw 34, drive spiral shell
The leading section of mother 38 extends to the front of rotation stop mounting blocks 37, the rearward end of moving casing 35 and the leading section of drive nut 38
Connection.
It should further be noted that being embedded with the main body accommodating cavity 311 of aluminium section bar main body 31 along opening that fore-and-aft direction extends
Installing plate 41 is closed, the leading section of switch installation board 41 is equiped with front end travel switch 42, the rearward end installing of switch installation board 41
There is rear end travel switch 43.
In addition, the outer surface of aluminium section bar main body 31 is provided with the fixation lock ear 5 for protruding extension outwardly, fixed lock ear 5 is opened up
There is fixed lockhole 51.
During the present invention is installed and used, the fixation lockhole 51 of fixed lock ear 5 is loaded on admittedly by corresponding pivot hinge
Dingan County's mount structure, push rod driving head 36 is connected with corresponding executive item.In addition, drive motor 2, front end travel switch 42, after
Travel switch 43 is held to be electrically connected with respectively with corresponding controller.
In the course of work of the present invention, the power output shaft of drive motor 2 drives pinion rotation, and input gear 123 is successively
Driving first gear axle 121, second gear axle 122 and output gear 124 are rotated；Wherein, the canine tooth of input gear 123 and first
Wheel 1211 engages and realizes primary speed-down, and the first little gear 1212 engages with the second gear wheel 1221 and realizes double reduction, the
Two pinion 1222 engages with output gear 124 and realizes that three-level is slowed down.After slowing down through reduction gear box 1, the band of output gear 124
Dynamic drive screw 34 is rotated, and the drive screw 34 of rotation drives drive nut 38 to move forward and backward, movable drive nut 38
Moving casing 35 is driven to move forward and backward, movable moving casing 35 drives push rod driving head 36 to move forward and backward, push rod driving
First 36 drive executive item to act again.
It need to be explained further, during drive nut 38 drives moving casing 35, push rod driving head 36 movable,
Rotation stop mounting blocks 37 are synchronous movable with drive nut 38；When after shifting rotation stop mounting blocks 37 touch rear end travel switch 43
When, controller control drive motor 2 stopping action, the i.e. present invention can accurately and reliably control the rear shifting pole of push rod driving head 36
Extreme position；When the rotation stop mounting blocks 37 of reach touch front end travel switch 42, controller control drive motor 2 stopping action,
I.e. the present invention can accurately and reliably control the reach extreme position of push rod driving head 36.
Also it is exactly that rotation stop mounting blocks 37 of the invention are flush-mounted in the main body accommodating cavity 311 of aluminium section bar main body 31, and only
Turning mounting blocks 37 can not rotate relative to aluminium section bar main body 31, drive what drive nut 38 was moved forward and backward in the drive screw 34 of rotation
During, drive nut 38 does not rotate when rotation stop mounting blocks 37 effectively can ensure to move.Wherein, for realize rotation stop pacify
Dress block 37 realizes rotation stop, and the shape of rotation stop mounting blocks 37 can be designed to what is be adapted with the shape of cross section of main body accommodating cavity 311
Shape.
Summary situation is understood, by said structure design, and the present invention has good excellent of novel in design, reliability
Point.
Above content is only presently preferred embodiments of the present invention, for one of ordinary skill in the art, according to the present invention's
Thought, will change in specific embodiments and applications, and this specification content should not be construed as to the present invention
Limitation.
Claims (3)
1. a kind of structure improved electric pushrod, it is characterised in that：Include reduction gear box（1）, drive motor（2）, push rod
Main body（3）, reduction gear box（1）Include gear box casing（11）, gear box casing（11）Include gear-box fore shell
（111）, positioned at gear-box fore shell（111）Rear end side and with gear-box fore shell（111）Shell after the gear-box being spirally connected（112）, gear
Tank shell（11）Inside in gear-box fore shell（111）With shell after gear-box（112）Between form housing accommodating cavity（113）,
Gear box casing（11）Housing accommodating cavity（113）Inside it is embedded with reduction gear component（12）, reduction gear component（12）Including
There is first gear axle（121）, positioned at first gear axle（121）The second gear axle of side（122）, first gear axle（121）If
It is equipped with the first gear wheel（1211）, the first little gear（1212）, second gear axle（122）It is provided with the second gear wheel（1221）、
Second little gear（1222）, the first little gear（1212）With the second gear wheel（1221）Engagement；
Drive motor（2）Gear-box fore shell is screwed on by lock screw（111）Preceding surface, drive motor（2）Power it is defeated
Shaft, which is equiped with, stretches to housing accommodating cavity（113）Interior input gear（123）, input gear（123）With the first gear wheel
（1211）Engagement；
Push rod main body（3）Include the aluminium section bar main body extended along fore-and-aft direction（31）, aluminium section bar main body（31）Inside into
Type have before and after completely through main body accommodating cavity（311）, aluminium section bar main body（31）Leading section in main body accommodating cavity（311）Before
Body front end fixed seat is equiped with end opening（32）, aluminium section bar main body（31）Rearward end in main body accommodating cavity（311）After
Body rear fixed seat is equiped with end opening（33）, body rear fixed seat（33）It is screwed on gear-box fore shell（111）Before
Surface；Aluminium section bar main body（31）Main body accommodating cavity（311）Inside it is embedded with the drive screw extended respectively along fore-and-aft direction
（34）, be set in drive screw（34）The moving casing of periphery（35）, drive screw（34）Rearward end sequentially pass through after main body
Hold fixed seat（33）, gear-box fore shell（111）And extend to housing accommodating cavity（113）, drive screw（34）Rearward end installing
Have and the second little gear（1222）The output gear of engagement（124）, moving casing（35）Leading section fixed through body front end
Seat（32）And extend to body front end fixed seat（32）Front, moving casing（35）Leading section in body front end fixed seat
（32）Front be equiped with push rod driving head（36）；
Aluminium section bar main body（31）Main body accommodating cavity（311）Interior inlay card has rotation stop mounting blocks（37）, rotation stop mounting blocks（37）Installing
It is set in drive screw（34）The drive nut of periphery（38）, drive nut（38）With drive screw（34）It is engaged, drives
Nut（38）Leading section extend to rotation stop mounting blocks（37）Front, moving casing（35）Rearward end and drive nut
（38）Leading section connection.
2. a kind of structure improved electric pushrod according to claim 1, it is characterised in that：The aluminium section bar main body（31）
Main body accommodating cavity（311）Inside it is embedded with the switch installation board extended along fore-and-aft direction（41）, switch installation board（41）Before
End is equiped with front end travel switch（42）, switch installation board（41）Rearward end be equiped with rear end travel switch（43）.
3. a kind of structure improved electric pushrod according to claim 2, it is characterised in that：The aluminium section bar main body（31）
Outer surface be provided with the fixation lock ear for protruding extension outwardly（5）, fixed lock ear（5）Offer fixed lockhole（51）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710457281.7A CN107276306A (en) | 2017-06-16 | 2017-06-16 | A kind of structure improved electric pushrod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710457281.7A CN107276306A (en) | 2017-06-16 | 2017-06-16 | A kind of structure improved electric pushrod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107276306A true CN107276306A (en) | 2017-10-20 |
Family
ID=60067741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710457281.7A Pending CN107276306A (en) | 2017-06-16 | 2017-06-16 | A kind of structure improved electric pushrod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107276306A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107795770A (en) * | 2017-11-27 | 2018-03-13 | 佛山市云米电器科技有限公司 | A kind of flexible tracheae |
| CN110932462A (en) * | 2019-11-15 | 2020-03-27 | 惠州市睿普斯林智能科技有限公司 | Electric push rod with anti-shake and scour protection journey function |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4712441A (en) * | 1985-05-13 | 1987-12-15 | Brunswick Valve & Control, Inc. | Position controlled linear actuator |
| CN201830080U (en) * | 2010-05-24 | 2011-05-11 | 常州市武进信威电子元件厂 | Step motor actuator |
| CN203377730U (en) * | 2013-08-06 | 2014-01-01 | 中国航天科技集团公司第九研究院第七七一研究所 | Electric cylinder possessing self-locking characteristic |
-
2017
- 2017-06-16 CN CN201710457281.7A patent/CN107276306A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4712441A (en) * | 1985-05-13 | 1987-12-15 | Brunswick Valve & Control, Inc. | Position controlled linear actuator |
| CN201830080U (en) * | 2010-05-24 | 2011-05-11 | 常州市武进信威电子元件厂 | Step motor actuator |
| CN203377730U (en) * | 2013-08-06 | 2014-01-01 | 中国航天科技集团公司第九研究院第七七一研究所 | Electric cylinder possessing self-locking characteristic |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107795770A (en) * | 2017-11-27 | 2018-03-13 | 佛山市云米电器科技有限公司 | A kind of flexible tracheae |
| CN110932462A (en) * | 2019-11-15 | 2020-03-27 | 惠州市睿普斯林智能科技有限公司 | Electric push rod with anti-shake and scour protection journey function |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171020 |