CN109750971A - Anti-falling device for rotary rod type rolling door - Google Patents
Anti-falling device for rotary rod type rolling door Download PDFInfo
- Publication number
- CN109750971A CN109750971A CN201910215363.XA CN201910215363A CN109750971A CN 109750971 A CN109750971 A CN 109750971A CN 201910215363 A CN201910215363 A CN 201910215363A CN 109750971 A CN109750971 A CN 109750971A
- Authority
- CN
- China
- Prior art keywords
- gear
- bar
- axis
- door curtain
- permanent magnet
- 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.)
- Granted
Links
Landscapes
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Abstract
The invention discloses a rotary rod type anti-falling device for a roller shutter door, which is mainly used for preventing the roller shutter door from falling down to hurt people, and has simple structure and safe and reliable protection; the anti-falling device consists of an anti-falling device and a gear strip, and the working principle is as follows: when the door curtain of the roller shutter door rises, a gear rack at the lower end of the door curtain touches a gear and drives the gear to rotate, a stop lever rotates by 90 degrees and is in a horizontal state, the electromagnet is powered off, the electromagnet and the permanent magnet lose attraction, the spring elastically extends to push the permanent magnet out, a tooth projection at the front end of the permanent magnet is meshed with a tooth groove of the shaft B to clamp the stop lever so as to keep the stop lever in the horizontal state, and the stop lever can prevent the door curtain from falling to hurt people no matter whether a chain wheel of a driving device of the door curtain is unhooked, broken or other abnormal conditions exist; when the door curtain of the rolling door descends and approaches the position of the stop lever, the electromagnet is electrified, the tooth protrusion at the front end of the permanent magnet is separated from the tooth groove of the shaft B, the stop lever droops under the action of gravity, and the door curtain smoothly slides to the ground through the position of the stop lever.
Description
Technical field
Present invention is mainly used for prevent rolling screen door tenesmus from hurting sb.'s feelings use.
Background technique
At present applied or in the rolling screen door anti-fall device used, structure is all more complicated, maintenance and repair cost
It is high.
Summary of the invention
The present invention solves the above problem, its structure is simple, can prevent rolling screen door from dropping under various states, protection peace
It is complete reliable；It is made of anti-fall device (1) and gear bar (18), and gear bar (18) is fixed on door curtain (15) nethermost loose-leaf
(11) right end, the gear teeth of gear bar (18) and the gear (9) of anti-fall device (1) are mutually ratcheting, move down in gear bar (18)
Dynamic band moving gear (9) positive and negative rotation；Anti-fall device (1) is by bar (6), axis A(7), axis B(8), gear (9), electromagnet apparatus
(16) form, axis A(7) with the top and bottom sidewall B(20 of door curtain sliding sleeve (12)) hingedly, axis A(7) can be rotated around its hinge joint, gear
(9) be fixed on axis A(7) middle part, the height of gear (9) is greater than the opening width of curtain sliding sleeve (12), and the lower end of gear (9) is fixed
Have bevel gear A(10), axis B(8) right end be fixed with bevel gear B(19), axis A(7) be mutually perpendicular to axis B(8), umbrella shape
Gear A (10) and bevel gear B(19) mutually ratcheting, axis B(8) pass through the side wall A(13 of door curtain sliding sleeve (12)) Kong Bingke
Rotated around its hole, axis B(8) left end and bar (6) it is fixed, axis B(8) right part circumference be provided with tooth socket (14), tooth socket (14) with
The tooth of the upper end of permanent magnet (4) convex (17) is mutually ratcheting, the vertical rotating band moving axis B(8 of gear (9)) horizontally rotate；Electromagnet
Device (16) is made of shell (2), electromagnet (3), permanent magnet (4), spring (5), the lower end and door curtain sliding sleeve (12) of shell (2)
Side wall B(20) inner wall fix, the direction of shell (2) towards door curtain (15) is opening, and electromagnet (3) is fixed on shell
(2) bottom, the lower end of spring (5) and the upper end of electromagnet (3) are fixed, and the upper end of spring (5) and the lower end of permanent magnet (4) are solid
Fixed, the upper end of permanent magnet (4) is provided with that tooth is convex (17), and permanent magnet (4) can be slided along the inner wall of shell (2)；Anti-fall device (1) installation
At a certain height of door curtain sliding sleeve (12)；Its working principle is that: before the door curtain (15) of rolling screen door is not opened, at electromagnet (3)
In energized state, electromagnet (3) attracts each other with permanent magnet (4), and spring (5) is in elastic compression, the tooth of permanent magnet (4)
Convex (17) are not ratcheting with the tooth socket of axis B(8) (14), and bar (6) is in downward plumbness, when the door curtain (15) of rolling screen door exists
Under the drive of its driving device in uphill process, the gear bar (18) of door curtain (15) lower end touches the gear teeth and band of gear (9)
Moving gear (9) rotation, gear (9) band moving axis B(8) and 90 degree of bar (6) rotation, bar (6) is in horizontality and in door curtain
(15) lower section, electromagnet (3) powers off at this time, and electromagnet (3) loses its reliss with permanent magnet (4), spring (5) elastic elongation,
Permanent magnet (4) are released, the tooth convex (17) and the tooth socket (14) of axis B(8) of permanent magnet (4) front end are ratcheting, the door curtain of rolling screen door
(15) continue to rise, the gear teeth of gear bar (18) and gear (9) are detached from, at this time the tooth convex (17) Yu axis B of permanent magnet (4) front end
(8) tooth socket (14) is ratcheting, and bar (6) is still within horizontality and in the lower section of door curtain (15), no matter the drive of door curtain (15)
The sprocket wheel of dynamic device breaks off relations, fracture or other abnormal conditions, bar (6) can stop door curtain (15) tenesmus to be hurted sb.'s feelings；Work as roller shutter
The door curtain (15) of door decline under the drive of its driving device and when close to the position of bar (6), electromagnet (3) energization, electromagnetism
Iron (3) attracts each other with permanent magnet (4), and permanent magnet (4) are retracted, the tooth of the tooth convex (17) and axis B(8) of permanent magnet (4) front end
Slot (14) separation, spring (5) elastical retraction, axis B(8) and bar (6) lose constraint, bar (6) is sagging under its gravity,
Bar (6) band moving axis A(7 simultaneously) and gear (9) reset, the position that door curtain (15) passes through bar (6) is snapped down to ground；Electricity
The power supply of magnet (3) is emergency power supply, is different power supply with the power supply of the driving device of rolling screen door.
Detailed description of the invention
1- anti-fall device, 2- shell, 3- electromagnet, 4- permanent magnet, 5- spring, 6- bar, 7- axis A, 8- axis B, 9- gear,
10- bevel gear A, 11- loose-leaf, 12- door curtain sliding sleeve, 13- side wall A, 14- tooth socket, 15- door curtain, 16- electromagnet apparatus, 17-
Tooth is convex, 18- gear bar, 19- bevel gear B, 20- side wall B.
Fig. 1 is anti-fall device and gear bar is arranged in the elevational schematic view on door curtain.
Fig. 2 is that the bar of anti-fall device is in the horizontal profile drawing of horizontal backstop state.
Fig. 3 is that the bar of anti-fall device is in the horizontal profile drawing of state downward vertically.
Fig. 4 is the drawing of electromagnet apparatus.
Specific embodiment
Referring to Fig. 1 to Fig. 4, before the door curtain 15 of rolling screen door is not opened, electromagnet 3 is in energized state, electromagnet 3 and permanent magnetism
Iron 4 attracts each other, and spring 5 is in elastic compression, and the tooth of permanent magnet 4 convex 17 is not ratcheting with the tooth socket 14 of axis B8, at bar 6
In downward plumbness, when the door curtain 15 of rolling screen door is under the drive of its driving device in uphill process, 15 lower end of door curtain
Gear bar 18 touches the gear teeth of gear 9 and rotates with moving gear 9, and gear 9 rotates 90 degree with moving axis B8 and bar 6, at bar 6
In horizontality and in the lower section of door curtain 15, electromagnet 3 is powered off at this time, and electromagnet 3 loses its reliss with permanent magnet 4,5 bullet of spring
Property elongation, permanent magnet 4 is released, the tooth socket 14 of tooth convex 17 and the axis B8 of 4 front end of permanent magnet is ratcheting, the continuation of the door curtain 15 of rolling screen door
Rise, the gear teeth of gear bar 18 and gear 9 are detached from, and the tooth socket 14 of the tooth convex 17 and axis B8 of 4 front end of permanent magnet is ratcheting at this time, bar
6 are still within horizontality and in the lower section of door curtain 15, no matter the sprocket wheel of the driving device of door curtain 15 break off relations, fracture or other
Abnormal conditions, bar 6 can stop the tenesmus of door curtain 15 to be hurted sb.'s feelings；When the door curtain 15 of rolling screen door declines under the drive of its driving device
And when close to the position of bar 6, electromagnet 3 is powered, and electromagnet 3 attracts each other with permanent magnet 4, permanent magnet 4 retracted, permanent magnet
The tooth of 4 front ends convex 17 is separated with the tooth socket 14 of axis B8,5 elastical retraction of spring, and axis B8 and bar 6 lose constraint, and bar 6 is heavy at its
It is sagging under power effect, while bar 6 is resetted with moving axis A7 and gear 9, the position that door curtain 15 passes through bar 6 is snapped down to ground
Face；The power supply of electromagnet 3 is emergency power supply, is different power supply with the power supply of the driving device of rolling screen door.
Claims (1)
1. rod-type rolling screen door anti-fall device is rotated, it is characterized in that: it is made of anti-fall device (1) and gear bar (18), gear bar
(18) right end of door curtain (15) nethermost loose-leaf (11), the gear teeth of gear bar (18) and the gear of anti-fall device (1) are fixed on
(9) mutually ratcheting, gear bar (18) moves up and down band moving gear (9) positive and negative rotation；Anti-fall device (1) is by bar (6), axis A
(7), axis B(8), gear (9), electromagnet apparatus (16) composition, axis A(7) with the top and bottom sidewall B(20 of door curtain sliding sleeve (12)) hinge
Connect, axis A(7) can be rotated around its hinge joint, gear (9) is fixed on axis A(7) middle part, the height of gear (9) is greater than curtain sliding sleeve
(12) lower end of opening width, gear (9) is fixed with bevel gear A(10), axis B(8) right end be fixed with bevel gear B
(19), axis A(7) be mutually perpendicular to axis B(8), bevel gear A(10) passed through with bevel gear B(19) mutually ratcheting, axis B(8)
The side wall A(13 of door curtain sliding sleeve (12)) Kong Bingke rotated around its hole, axis B(8) left end and bar (6) it is fixed, axis B(8)
Right part circumference is provided with tooth socket (14), and the tooth convex (17) of tooth socket (14) and the upper end of permanent magnet (4) is mutually ratcheting, and gear (9) erects
Horizontally rotate to rotation band moving axis B(8)；Electromagnet apparatus (16) is by shell (2), electromagnet (3), permanent magnet (4), spring (5)
Composition, the lower end of shell (2) and the side wall B(20 of door curtain sliding sleeve (12)) inner wall fix, shell (2) is towards door curtain (15)
Direction is opening, and electromagnet (3) is fixed on the bottom of shell (2), and the lower end of spring (5) and the upper end of electromagnet (3) are fixed,
The upper end of spring (5) and the lower end of permanent magnet (4) are fixed, and the upper end of permanent magnet (4) is provided with that tooth is convex (17), and permanent magnet (4) can edge
The inner wall of shell (2) slides；Anti-fall device (1) is mounted at a certain height of door curtain sliding sleeve (12)；Its working principle is that: roller shutter
Before the door curtain (15) of door is not opened, electromagnet (3) is in energized state, and electromagnet (3) attracts each other with permanent magnet (4), spring
(5) be in elastic compression, the tooth of permanent magnet (4) convex (17) is not ratcheting with the tooth socket of axis B(8) (14), bar (6) be in
Under plumbness, when the door curtain (15) of rolling screen door is under the drive of its driving device in uphill process, door curtain (15) lower end
Gear bar (18) touches the gear teeth of gear (9) and rotates with moving gear (9), gear (9) band moving axis B(8) and bar (6) rotation
90 degree, bar (6) is in horizontality and in the lower section of door curtain (15), and electromagnet (3) powers off at this time, electromagnet (3) and permanent magnetism
Iron (4) loses its reliss, spring (5) elastic elongation, and permanent magnet (4) are released, the tooth convex (17) and axis B of permanent magnet (4) front end
(8) tooth socket (14) is ratcheting, and the door curtain (15) of rolling screen door continues to rise, and the gear teeth of gear bar (18) and gear (9) are detached from, at this time
The tooth convex (17) and the tooth socket (14) of axis B(8) of permanent magnet (4) front end are ratcheting, and bar (6) is still within horizontality and in door curtain
(15) lower section, no matter the driving device of door curtain (15) sprocket wheel break off relations, fracture or other abnormal conditions, bar (6) equal energy
Door curtain (15) tenesmus is stopped to be hurted sb.'s feelings；When the door curtain (15) of rolling screen door declines under the drive of its driving device and close to bar (6)
Position when, electromagnet (3) is powered, and electromagnet (3) attracts each other with permanent magnet (4), by permanent magnet (4) retraction, permanent magnet (4)
The tooth of front end convex (17) is separated with the tooth socket (14) of axis B(8), spring (5) elastical retraction, axis B(8) and bar (6) lose constraint,
Bar (6) is sagging under its gravity, while bar (6) is resetted with moving axis A(7) and gear (9), and door curtain (15) passes through
The position of bar (6) is snapped down to ground；The power supply of electromagnet (3) is emergency power supply, the power supply electricity with the driving device of rolling screen door
Source is different power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910215363.XA CN109750971B (en) | 2019-03-21 | 2019-03-21 | Anti-falling device for rotary rod type rolling door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910215363.XA CN109750971B (en) | 2019-03-21 | 2019-03-21 | Anti-falling device for rotary rod type rolling door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109750971A true CN109750971A (en) | 2019-05-14 |
| CN109750971B CN109750971B (en) | 2020-04-03 |
Family
ID=66409155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910215363.XA Active CN109750971B (en) | 2019-03-21 | 2019-03-21 | Anti-falling device for rotary rod type rolling door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109750971B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111437540A (en) * | 2020-04-09 | 2020-07-24 | 杨寿宝 | Fire valve of ventilating duct |
| CN112554769A (en) * | 2020-11-25 | 2021-03-26 | 中船澄西船舶修造有限公司 | Rolling slats door protection device that falls |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2222503C2 (en) * | 1972-05-08 | 1974-04-18 | Gfa Antriebstechnik Gmbh | Self-acting locking device to prevent unintentional rolling of a roller shutter, rolling grille, roller shutter or the like. |
| CN1104289A (en) * | 1993-04-05 | 1995-06-28 | 普吕梅公司 | Motor-driven roller blind |
| CN202493213U (en) * | 2011-12-07 | 2012-10-17 | 漳州市长泰新麒麟机械有限公司 | Anti-falling device of novel rolling door |
| CN106193981A (en) * | 2016-08-29 | 2016-12-07 | 宜昌四八二〇机电有限公司 | Door roller anti-fall device |
| CN206707595U (en) * | 2017-04-20 | 2017-12-05 | 广州中船文冲船坞有限公司 | Shutter door falling proof device |
| CN206753468U (en) * | 2017-05-01 | 2017-12-15 | 陈志忠 | Security shutter |
| CN207647436U (en) * | 2017-10-03 | 2018-07-24 | 漳州市龙文区睿谋机电技术服务部 | Rolling screen door falling proof device |
-
2019
- 2019-03-21 CN CN201910215363.XA patent/CN109750971B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2222503C2 (en) * | 1972-05-08 | 1974-04-18 | Gfa Antriebstechnik Gmbh | Self-acting locking device to prevent unintentional rolling of a roller shutter, rolling grille, roller shutter or the like. |
| CN1104289A (en) * | 1993-04-05 | 1995-06-28 | 普吕梅公司 | Motor-driven roller blind |
| CN202493213U (en) * | 2011-12-07 | 2012-10-17 | 漳州市长泰新麒麟机械有限公司 | Anti-falling device of novel rolling door |
| CN106193981A (en) * | 2016-08-29 | 2016-12-07 | 宜昌四八二〇机电有限公司 | Door roller anti-fall device |
| CN206707595U (en) * | 2017-04-20 | 2017-12-05 | 广州中船文冲船坞有限公司 | Shutter door falling proof device |
| CN206753468U (en) * | 2017-05-01 | 2017-12-15 | 陈志忠 | Security shutter |
| CN207647436U (en) * | 2017-10-03 | 2018-07-24 | 漳州市龙文区睿谋机电技术服务部 | Rolling screen door falling proof device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111437540A (en) * | 2020-04-09 | 2020-07-24 | 杨寿宝 | Fire valve of ventilating duct |
| CN112554769A (en) * | 2020-11-25 | 2021-03-26 | 中船澄西船舶修造有限公司 | Rolling slats door protection device that falls |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109750971B (en) | 2020-04-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109750971A (en) | Anti-falling device for rotary rod type rolling door | |
| CN204899722U (en) | Double glazing glass internally -arranged shutter's friction -tight formula flipping wheel structure that rises | |
| US10557305B2 (en) | Transmission stopping device for cordless curtain | |
| CN102425348A (en) | Magnetic hinge | |
| CN109898978A (en) | A kind of rotation catch pin type rolling screen door anti-fall device | |
| CN107348814B (en) | A kind of letter box arrangement | |
| CN207377474U (en) | A kind of rolling screen door that can prevent door roller brake failure | |
| CN101546092B (en) | Dustproof cover structure for lens | |
| CN108412368B (en) | A kind of movable sill formula closed guard gate | |
| CN103422784A (en) | Automatic closing door driven by offset balance weight | |
| CN210067871U (en) | Elevator protective door | |
| US20170009520A1 (en) | Locking device for window blind between two panes of glass | |
| KR101319557B1 (en) | Emergency opening apparatus for an automatic door | |
| CN109162616A (en) | A kind of automatic door-closing safety door sill | |
| CN109750970B (en) | Four-connecting-rod type anti-falling device for roller shutter door | |
| CN109779510A (en) | A kind of pivoted arm rolling screen door anti-fall device | |
| CN107726175A (en) | A kind of LED lamp of stable power-supplying | |
| CN203859817U (en) | Automatic dustproof device for simple television set | |
| CN209483172U (en) | A kind of motor of rolling shutter door resistance stop device and alarm system | |
| CN203701865U (en) | Error preventing device installing structure of side-hung and top-hung window | |
| CN204002503U (en) | A kind of safety automatic lock and rolling door | |
| CN103790507B (en) | A kind of safety automatic lock and rolling door | |
| CN110847762B (en) | Space-saving door for warehouse | |
| CN103437660A (en) | Suspended self-closing vertical hinged door driven by double counterweights | |
| CN109736697B (en) | Clamp type anti-falling device for roller shutter door |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220512 Address after: 528000 plant 3, first floor, building 21, Yuejin Road, Shiwan Town Street, Chancheng District, Foshan City, Guangdong Province Patentee after: Foshan jianweida door industry Co.,Ltd. Address before: 448000 69 Jingmen Road, Dugao District, Jingmen high tech Zone, Jingmen, Hubei Patentee before: HUBEI SIZE NEW ENERGY TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |