CN110380572A - Electric pushrod - Google Patents
Electric pushrod Download PDFInfo
- Publication number
- CN110380572A CN110380572A CN201910723909.2A CN201910723909A CN110380572A CN 110380572 A CN110380572 A CN 110380572A CN 201910723909 A CN201910723909 A CN 201910723909A CN 110380572 A CN110380572 A CN 110380572A
- Authority
- CN
- China
- Prior art keywords
- gear
- lead screw
- engaged
- electric pushrod
- nut
- 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
- 230000000712 assembly Effects 0.000 claims abstract description 9
- 238000000429 assembly Methods 0.000 claims abstract description 9
- 239000000428 dust Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 230000033001 locomotion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a kind of electric pushrods, including fuselage, fuselage is equipped with alternating current generator and lead screw for input power, the intermediate gear assemblies for connecting alternating current generator with lead screw are equipped in fuselage, intermediate gear assemblies include the motor gear engaged with alternating current generator output shaft, intermediate gear is engaged on motor gear, nut gear is engaged with below intermediate gear, nut gear is engaged with lead screw, alternating current generator passes sequentially through motor gear, power is transferred to lead screw by intermediate gear and nut gear, intermediate gear is integrally formed by gear wheel and pinion gear, gear wheel is engaged with motor gear, pinion gear is engaged with nut gear.By the above-mentioned means, electric pushrod of the present invention effectively improves the transmission accuracy of electric pushrod, drive mechanism is simple, securely and reliably by designing new gear-driven assembly structure.
Description
Technical field
The present invention relates to push rod fields, more particularly to a kind of electric pushrod.
Background technique
Electric pushrod is a kind of linear actuating device, and using screw nut driven, the rotary motion of drive motor is changed
For the linear motion of push rod.It can be used for as mechanical use is executed in various simple or complicated process flow, to realize long distance
From control, centralized control or automatic control.Electric pushrod be widely used in electric bed for medical purpose, Electric sofa, electronic exhibition booth elevating lever,
Electric industrial jacking system etc..Existing pusher structure is complicated, and volume is larger, and operation does not put and will lead to overturning, to damage
Bad push rod.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of electric pushrods, by designing new gear-driven assembly knot
Structure effectively improves the transmission accuracy of electric pushrod, and drive mechanism is simple, securely and reliably.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of electric pushrod, including machine are provided
Body, the fuselage are equipped with alternating current generator and lead screw for input power, are equipped in the fuselage by alternating current generator and silk
The intermediate gear assemblies of thick stick connection, the intermediate gear assemblies include the motor gear engaged with alternating current generator output shaft, described
It is engaged with intermediate gear on motor gear, is engaged with nut gear below the intermediate gear, the nut gear is nibbled with lead screw
It closes, the alternating current generator passes sequentially through motor gear, intermediate gear and nut gear and power is transferred to lead screw, the centre
Gear is integrally formed by gear wheel and pinion gear, and the gear wheel is engaged with motor gear, the pinion gear and nut gear
Engagement.
In a preferred embodiment of the present invention, connector, the connector and lead screw are installed on the lead screw left end
Between upper connective plate is installed, the lower end of the upper connective plate is equipped with pull rod, and the pull rod passes through guide bearing chock, the guiding axis
It holds on seat setting fuselage, the guide bearing chock is equipped with mechanical switch.
In a preferred embodiment of the present invention, it is additionally provided on the left and right ends of the lead screw for being contacted with mechanical switch
Collision block.
In a preferred embodiment of the present invention, manual shaft is also equipped on the motor gear.
In a preferred embodiment of the present invention, the intermediate gear is mounted on jackshaft, the left end of the jackshaft
It is also connected with controller.
In a preferred embodiment of the present invention, the nut gear is fastenedly connected by locking nut and lead screw.
In a preferred embodiment of the present invention, pushing rod sleeve, the pushing rod sleeve and silk are arranged on the right end of the lead screw
Counnter attack switch block is equipped between thick stick, the screw rod left end is equipped with dust cover and breathable water proof valve.
The beneficial effects of the present invention are: electric pushrod of the present invention is effectively mentioned by designing new gear-driven assembly structure
The transmission accuracy of high electric pushrod, drive mechanism is simple, securely and reliably.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is the structural schematic diagram of one preferred embodiment of electric pushrod of the present invention；
Fig. 2 is the cross-sectional view of Fig. 1；
Fig. 3 is the partial structural diagram of Fig. 1；
The components in the drawings are labeled as follows: 1, fuselage, 2, alternating current generator, 3, lead screw, 4, intermediate gear assemblies, 41, motor tooth
Wheel, 42, intermediate gear, 43, nut gear, 44, gear wheel, 45, pinion gear, 5, connector, 6, upper connective plate, 7, pull rod, 8, lead
To bearing block, 9, mechanical switch, 10, collision block, 11, manual shaft, 12, jackshaft, 13, controller, 14, locking nut, 15, push rod
Set, 16, counnter attack switch block, 17, dust cover, 18, breathable water proof valve.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
It please refers to Fig.1 to Fig.3, a kind of electric pushrod, including fuselage 1, fuselage 1 is equipped with the alternating current for input power
Machine 2 and lead screw 3, fuselage 1 is interior to be equipped with the intermediate gear assemblies 4 for connecting alternating current generator 2 with lead screw 3, and intermediate gear assemblies 4 are wrapped
The motor gear 41 engaged with 2 output shaft of alternating current generator is included, is engaged with intermediate gear 42 on motor gear 41, under intermediate gear 42
Side is engaged with nut gear 43, and nut gear 43 is engaged with lead screw 3, and alternating current generator 2 passes sequentially through motor gear 41, intermediate gear
42 and nut gear 43 power is transferred to lead screw 3, intermediate gear 43 is integrally formed by gear wheel 44 and pinion gear 45, greatly
Gear 45 is engaged with motor gear 41, and pinion gear 45 is engaged with nut gear 43.Pass through motor gear, intermediate gear and female tooth
The Combinatorial Optimization of wheel drive mechanism, keeps the guide screw movement precision more preferable, runs more steady.
In addition, being equipped with connector 5 on 3 left end of lead screw, upper connective plate 6, upper connective plate 6 are installed between connector 5 and lead screw 3
Lower end pull rod 7 is installed, pull rod 7 passes through guide bearing chock 8, and guide bearing chock 8 is arranged on fuselage 1, sets on guide bearing chock 8
There is mechanical switch 9.
In addition, being additionally provided with the collision block 10 for contacting with mechanical switch 9 on the left and right ends of lead screw 3.
In addition, being also equipped with manual shaft 11 on motor gear 41, manual shaft 11 can carry out micro- when motor stops
It adjusts.
In addition, intermediate gear 42 is mounted on jackshaft 12, the left end of jackshaft 12 is also connected with controller 13, controller
13 for controlling intermediate gear 42.
In addition, nut gear 43 is fastenedly connected by locking nut 14 with lead screw 3.
In addition, being arranged with pushing rod sleeve 15 on the right end of lead screw 3, counnter attack switch block 16, silk are equipped between pushing rod sleeve 15 and lead screw 3
Bar left end 3 is equipped with dust cover 17 and breathable water proof valve 18.
The specific working principle is as follows for electric pushrod of the present invention: alternating current generator 2 starts, and power is transferred to electricity by alternating current generator 2
Power is transferred to gear wheel 44 by machine gear 41, motor gear 41, and power is transferred to by 44 rotation driving pinion 45 of gear wheel
Nut gear 43, the rotation promotion lead screw 3 of nut gear 43, which advances perhaps to retreat in the advance of lead screw 3 or fallback procedures, passes through drawing
Collision block 10 on bar 7 is contacted with mechanical switch 9 to limit at a distance from the advance of lead screw 3.
It is different from the prior art, electric pushrod of the present invention, by designing new gear-driven assembly structure, effectively improves electricity
The transmission accuracy of dynamic push rod, drive mechanism is simple, securely and reliably.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (7)
1. a kind of electric pushrod, including fuselage, the fuselage is equipped with alternating current generator and lead screw for input power, special
Sign is, the intermediate gear assemblies for connecting alternating current generator with lead screw are equipped in the fuselage, and the intermediate gear assemblies include
The motor gear engaged with alternating current generator output shaft, is engaged with intermediate gear on the motor gear, below the intermediate gear
Be engaged with nut gear, the nut gear is engaged with lead screw, the alternating current generator pass sequentially through motor gear, intermediate gear with
And power is transferred to lead screw by nut gear, the intermediate gear is integrally formed by gear wheel and pinion gear, the gear wheel
It is engaged with motor gear, the pinion gear is engaged with nut gear.
2. electric pushrod according to claim 1, which is characterized in that connector is installed on the lead screw left end, it is described
Upper connective plate is installed, the lower end of the upper connective plate is equipped with pull rod, and the pull rod passes through guide bearing between connector and lead screw
Seat, the guide bearing chock are arranged on fuselage, and the guide bearing chock is equipped with mechanical switch.
3. electric pushrod according to claim 2, which is characterized in that be additionally provided on the left and right ends of the lead screw for
The collision block of mechanical switch contact.
4. electric pushrod according to claim 1, which is characterized in that be also equipped with manual shaft on the motor gear.
5. electric pushrod according to claim 1, which is characterized in that the intermediate gear is mounted on jackshaft, described
The left end of jackshaft is also connected with controller.
6. electric pushrod according to claim 1, which is characterized in that the nut gear is tight by locking nut and lead screw
It is solidly connected.
7. electric pushrod according to claim 1, which is characterized in that be arranged with pushing rod sleeve, institute on the right end of the lead screw
It states and is equipped with counnter attack switch block between pushing rod sleeve and lead screw, the screw rod left end is equipped with dust cover and breathable water proof valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910723909.2A CN110380572A (en) | 2019-08-07 | 2019-08-07 | Electric pushrod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910723909.2A CN110380572A (en) | 2019-08-07 | 2019-08-07 | Electric pushrod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110380572A true CN110380572A (en) | 2019-10-25 |
Family
ID=68258262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910723909.2A Pending CN110380572A (en) | 2019-08-07 | 2019-08-07 | Electric pushrod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110380572A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111939633A (en) * | 2020-08-26 | 2020-11-17 | 茅台学院 | Drum-type lees filter equipment for making wine |
| CN112855931A (en) * | 2021-01-25 | 2021-05-28 | 东北林业大学 | Tank door opening device based on planetary roller screw |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004123024A (en) * | 2002-10-04 | 2004-04-22 | Nsk Ltd | Motor-driven power steering device |
| CN203979319U (en) * | 2014-07-28 | 2014-12-03 | 常州乐士雷利电机有限公司 | Axial driving mechanism |
| CN206878631U (en) * | 2017-05-19 | 2018-01-12 | 上海舜拓电机有限公司 | A kind of electric pushrod device |
| CN208424085U (en) * | 2018-06-28 | 2019-01-22 | 无锡艾尔特线性运动机械有限公司 | Electric pushrod |
| CN210246532U (en) * | 2019-08-07 | 2020-04-03 | 无锡艾尔特线性运动机械有限公司 | Electric push rod |
-
2019
- 2019-08-07 CN CN201910723909.2A patent/CN110380572A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004123024A (en) * | 2002-10-04 | 2004-04-22 | Nsk Ltd | Motor-driven power steering device |
| CN203979319U (en) * | 2014-07-28 | 2014-12-03 | 常州乐士雷利电机有限公司 | Axial driving mechanism |
| CN206878631U (en) * | 2017-05-19 | 2018-01-12 | 上海舜拓电机有限公司 | A kind of electric pushrod device |
| CN208424085U (en) * | 2018-06-28 | 2019-01-22 | 无锡艾尔特线性运动机械有限公司 | Electric pushrod |
| CN210246532U (en) * | 2019-08-07 | 2020-04-03 | 无锡艾尔特线性运动机械有限公司 | Electric push rod |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111939633A (en) * | 2020-08-26 | 2020-11-17 | 茅台学院 | Drum-type lees filter equipment for making wine |
| CN112855931A (en) * | 2021-01-25 | 2021-05-28 | 东北林业大学 | Tank door opening device based on planetary roller screw |
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