CN203257986U - Electric speed reducer of electric rolling door - Google Patents
Electric speed reducer of electric rolling door Download PDFInfo
- Publication number
- CN203257986U CN203257986U CN 201320174757 CN201320174757U CN203257986U CN 203257986 U CN203257986 U CN 203257986U CN 201320174757 CN201320174757 CN 201320174757 CN 201320174757 U CN201320174757 U CN 201320174757U CN 203257986 U CN203257986 U CN 203257986U
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- shaft
- gear
- speed reducer
- bearing
- output shaft
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Abstract
The utility model relates to a speed reducer, in particular to an electric speed reducer of an electric rolling door. According to the electric speed reducer of the electric rolling door, a motor shaft stretches into an inner cavity of a speed reducer body from the center of a motor front cover, and a gear is arranged at the front end of the motor shaft and matched with a primary big gear on a gear shaft. The two ends of the gear shaft are respectively supported in a first bearing seat of the motor front cover and a second bearing base on the bottom of the inner cavity of the speed reducer body through bearings. A gear part of the gear shaft is matched with a secondary big gear on an output shaft. A third bearing base is further arranged on the motor front cover, the upper end of the output shaft is supported in the third bearing base through a third bearing, and the lower portion of the output shaft is supported in the bearing base on the bottom of the speed reducer body through a first bearing and penetrates out of the bottom of the speed reducer body. According to the speed reducer, manufacturing cost can be saved, meanwhile lubricating oil can be saved, and the service life of the gears is greatly prolonged.
Description
Technical field
The utility model belongs to the electric rolling door device field, relates to a kind of retarder that is specifically designed to electric rolling door, specifically a kind of electric rolling door motorized speed reducer.
Background technique
Electric rolling door has widely purposes in places such as building decoration, market shops, biotopes, and retarder is that the rolling shutter door long-term stability is worked reposefully as one of controller of controlling the rolling shutter door lifting
Indispensable important composition parts.
In the prior art, the retarder that the electric rolling door industry is generally used, working procedure is as follows: front motor cover press-fits on the deceleration body, motor shaft inputs to power the gear shaft that is installed on the retarder intracoelomic cavity from front motor cover, then gear shaft is by the gear driven output shaft rotation, can finish moderating process and outputs power.Finish smoothly for the assurance said process, the structure that existing rolling shutter door retarder adopts mostly is to only have the gear shaft as the middle transition transmission to be arranged on fully in the retarder body cavity body; And output shaft is installed on the deceleration body, only have the part of connection teeth wheel shaft to stretch in the retarder intracoelomic cavity, and gear shaft is retarder intracoelomic cavity joint by bearing supporting location, and for also supporting the location, the other end with output shaft lives, just need to do the deceleration body to such an extent that thickness is larger.By finding the structural analysis of existing electric rolling door: at present, make an electric rolling door and need to expend larger aluminium ingot raw material with retarder, bring larger cost of production pressure to enterprise; Retarder in the course of the work in addition, be the working life that ensures that gear is long, at present main employing is coated with the mode that dries matter lubricating grease at gear teeth face and comes gear is lubricated, in long-term using process, can kill because of lubricating grease and cause gear wear, and then greatly reduce service life of gear.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of electric rolling door motorized speed reducer simple in structure, ingenious, rational is provided, and this retarder can be saved the raw-material use amount of aluminium ingot, thereby reduces manufacture cost; Simultaneously can also Effective Raise retarder whole service life.
The technological scheme that provides according to the utility model: electric rolling door motorized speed reducer, motor shaft stretches into the retarder intracoelomic cavity from the front motor cover center, described motor shaft front end has gear, and this gear matches with one-level gearwheel on the gear shaft, described gear shaft two ends are supported in respectively in the clutch shaft bearing seat and the second bearing support bottom the retarder intracoelomic cavity of front motor cover by bearing, the gear parts of described gear shaft matches with secondary gearwheel on the output shaft, be characterised in that: also be provided with the 3rd bearing support on the described front motor cover, described output shaft upper end is supported in described the 3rd bearing support by the 3rd bearing, and described output shaft bottom is supported on deceleration body bottom bearings by clutch shaft bearing and passes deceleration body bottom.
As further improvement of the utility model, be provided with dividing plate in the described retarder intracoelomic cavity, this dividing plate is divided into two parts with the retarder intracoelomic cavity, and a larger cavity partly includes gear shaft, gear, output shaft and motor shaft and stretches into part in the retarder intracoelomic cavity.
As further improvement of the utility model, has the separate slot that shape and described dividing plate match on the described front motor cover.
As further improvement of the utility model, described output shaft stretches out on the axle of deceleration body bottom successively mounting limit driving gear and minor sprocket, and by the fixing minor sprocket of shaft block ring.
The utility model compared with prior art, advantage is: (1) is simple in structure, ingenious, reasonable, be displaced to improvement on the front motor cover by the bearing with output shaft, can effectively save enterprise's manufacture cost, find through contrast: according to the electric rolling door motorized speed reducer of the utility model conceptual design exploitation, when making the retarder of equal specifications and models, can save the about 38%-40% of cost than making existing retarder.(2) by in the retarder intracoelomic cavity, dividing plate being set, the retarder inner chamber is divided into two individual cavity, like this when engaging gear is lubricated, only need to be to the cavity that engaging gear, tooth axle the are set semi-fluid lubricant oil of annotating, when retarder was worked, semi-fluid lubricant oil was along with gear rotates and upper current downflow, so that engaging gear is worked in semi-fluid lubricant oil all the time, by adopting above-mentioned lubricating system, gear life improves more than five times.
Description of drawings
Fig. 1 is plan view of the present utility model.
Fig. 2 is left view of the present utility model.
Fig. 3 is plan view of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with concrete drawings and Examples.
Shown in Fig. 1 ~ 3, comprise deceleration body 1, the first circlip for shaft 2, first key 3, output shaft 4, minor sprocket 5, spacing driving gear 6, spacing intermediate gear 7, clutch shaft bearing 8, position limit switch intermediate gear shaft 9, plain washer 10, the second axle elastic washer 11, position limited gear 12, position limit switch 13, front motor cover 14, the second bearing 15, motor shaft 16, the 3rd bearing 17, the second key 18, secondary gearwheel 19, large lining ring 20, hexagon socket cap head screw 21, spring washer 22, the 4th bearing 23, gear shaft 24, triple bond 25, one-level gearwheel 26, lining ring 27, clutch shaft bearing seat 28, the second bearing support 29, the 3rd bearing support 30, dividing plate 31 etc.
Shown in Fig. 1 ~ 3, the utility model electric rolling door motorized speed reducer, motor shaft 16 stretches into deceleration body 1 inner chamber from front motor cover 14 centers, and pass through the second bearing 15 limit electric machine axles 16 in front motor cover 14 upper-end surfaces, motor shaft 16 front ends have gear, and this gear matches with one-level gearwheel 26 on the gear shaft 24, and above-mentioned one-level gearwheel 26 is installed on the gear shaft 24 by triple bond 25; Gear shaft 24 upper ends are supported on by bearing in the clutch shaft bearing seat 28 of front motor cover 14, the gear shaft 24 suit lining rings 27 between one-level gearwheel 26 and clutch shaft bearing seat 28; Gear shaft 24 lower ends are supported in the second bearing support 29 of deceleration body 1 intracavity bottom by the 4th bearing 23, the gear parts of described gear shaft 24 matches with secondary gearwheel 19 on the output shaft 4, secondary gearwheel 19 is fixedly installed on the output shaft 4 by the second key 18, also be provided with the 3rd bearing support 30 on the described front motor cover 14, described output shaft 4 upper ends are supported in described the 3rd bearing support 30 by the 3rd bearing 17, described output shaft 4 bottoms are supported on deceleration body 1 bottom bearings and pass deceleration body 1 bottom by clutch shaft bearing 8, and large lining ring 20 is set between clutch shaft bearing 8 on the output shaft 4 and secondary gearwheel 19.
Be provided with dividing plate 31 in described deceleration body 1 inner chamber, this dividing plate 31 is divided into two parts with deceleration body 1 inner chamber, and a larger cavity partly includes gear shaft 24, output shaft 4 and motor shaft 16 stretch into the part in deceleration body 1 inner chamber, retarder in the course of the work, for guaranteeing the effective sufficient lubrication of deceleration body inside engaged gear, can in this larger cavity, add semi-fluid lubricant oil, when accelerator operation is worked, semi-fluid lubricant oil can rotate with gear and go up current downflow, so that gear is worked all the time, guarantee the working life that gear is long in pasta; Simultaneously, because what add is the semi-fluid lubricant oil that certain stickiness is arranged, need not the sealing surface of retarder is additionally arranged other seal arrangements such as seal washer, just can guarantee that lubricant medium can not reveal.
Has the separate slot that shape and described dividing plate 31 match on the described front motor cover 14.
Described output shaft 4 stretches out on the deceleration body 1 bottom axle successively mounting limit driving gear 6 and minor sprocket 5, and by the fixing minor sprocket 5 of shaft block ring 2, above-mentioned minor sprocket 5 is fixed on the output shaft 4 by first key 3.
Position limit switch intermediate gear shaft 9 also is installed on deceleration body 1, and at the axle that position limit switch intermediate gear shaft 9 stretches out deceleration body 1 bottom spacing intermediate gear 7 is installed, axle head at position limit switch intermediate gear shaft 9 is equipped with the second circlip for shaft 11 and plain washer 10, spacing intermediate gear 7 and spacing driving gear 6 match, and spacing intermediate gear 7 comes regulating and controlling by position limited gear 12 and the position limit switch 13 in deceleration body 1 outside.
The utility model is simple in structure, ingenious, reasonable, be displaced to improvement on the front motor cover by the bearing with output shaft, can effectively save enterprise's manufacture cost, find through contrast: according to the electric rolling door motorized speed reducer of the utility model conceptual design exploitation, when making the retarder of equal specifications and models, can save the about 38%-40% of cost than making existing retarder.By in the retarder intracoelomic cavity, dividing plate being set, the retarder inner chamber is divided into two individual cavity, like this when engaging gear is lubricated, only need to be to the cavity that engaging gear, tooth axle the are set semi-fluid lubricant oil of annotating, when retarder was worked, semi-fluid lubricant oil was along with gear rotates and upper current downflow, so that engaging gear is worked in semi-fluid lubricant oil all the time, by adopting above-mentioned lubricating system, gear life improves more than five times.
Claims (4)
1. electric rolling door motorized speed reducer, motor shaft (16) stretches into deceleration body (1) inner chamber from front motor cover (14) center, described motor shaft (16) front end has gear, and this gear is meshed with one-level gearwheel (26) on the gear shaft (24), described gear shaft (24) two ends are supported in respectively in second bearing support (29) of the clutch shaft bearing seat (28) of front motor cover (14) and deceleration body (1) intracavity bottom by bearing, the gear parts of described gear shaft (24) is meshed with secondary gearwheel (19) on the output shaft (4), it is characterized in that: also be provided with the 3rd bearing support (30) on the described front motor cover (14), described output shaft (4) upper end is supported in described the 3rd bearing support (30) by the 3rd bearing (17), and described output shaft (4) bottom is supported on deceleration body (1) bottom bearings by clutch shaft bearing (8) and passes deceleration body (1) bottom.
2. electric rolling door motorized speed reducer as claimed in claim 1, it is characterized in that: be provided with dividing plate (31) in described deceleration body (1) inner chamber, this dividing plate (31) is divided into two parts with deceleration body (1) inner chamber, and a larger cavity partly includes gear shaft (24), output shaft (4) and motor shaft (16) and stretches into part in deceleration body (1) inner chamber.
3. electric rolling door motorized speed reducer as claimed in claim 2 is characterized in that: have the separate slot that shape and described dividing plate (31) match on the described front motor cover (14).
4. electric rolling door motorized speed reducer as claimed in claim 1, it is characterized in that: described output shaft (4) stretches out on the axle of deceleration body (1) bottom successively mounting limit driving gear (6) and minor sprocket (5), and by the fixing minor sprocket (5) of shaft block ring (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320174757 CN203257986U (en) | 2013-04-09 | 2013-04-09 | Electric speed reducer of electric rolling door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320174757 CN203257986U (en) | 2013-04-09 | 2013-04-09 | Electric speed reducer of electric rolling door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203257986U true CN203257986U (en) | 2013-10-30 |
Family
ID=49470551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320174757 Expired - Fee Related CN203257986U (en) | 2013-04-09 | 2013-04-09 | Electric speed reducer of electric rolling door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203257986U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195870A (en) * | 2013-04-09 | 2013-07-10 | 无锡威达微特电机有限公司 | Electric reducer for electric shutter door |
| CN103939530A (en) * | 2014-05-05 | 2014-07-23 | 国家电网公司 | Force amplifier |
-
2013
- 2013-04-09 CN CN 201320174757 patent/CN203257986U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195870A (en) * | 2013-04-09 | 2013-07-10 | 无锡威达微特电机有限公司 | Electric reducer for electric shutter door |
| CN103195870B (en) * | 2013-04-09 | 2016-11-16 | 无锡威达微特电机有限公司 | Electric reducer for electric shutter door |
| CN103939530A (en) * | 2014-05-05 | 2014-07-23 | 国家电网公司 | Force amplifier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131030 Termination date: 20160409 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |