CN207647437U - It is a kind of to limit duplicate protection fire resistance rolling shutter door up and down - Google Patents
It is a kind of to limit duplicate protection fire resistance rolling shutter door up and down Download PDFInfo
- Publication number
- CN207647437U CN207647437U CN201721680877.5U CN201721680877U CN207647437U CN 207647437 U CN207647437 U CN 207647437U CN 201721680877 U CN201721680877 U CN 201721680877U CN 207647437 U CN207647437 U CN 207647437U
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- CN
- China
- Prior art keywords
- door
- curtain
- door curtain
- door frame
- fire resistance
- 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.)
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Abstract
The utility model discloses one kind limiting duplicate protection fire resistance rolling shutter door up and down, including door frame, the door frame bottom is provided with bottom plate, lower limit slot is offered at the bottom plate center, it is provided with door curtain case at the top of the door frame, the door curtain case is internally provided with bearing bracket stand, it is embedded with bearing inside the bearing bracket stand, the Bearing inner is socketed with driven spindle, it is provided at the driven spindle center around curtain axis, it is described to have door curtain around curtain axis surface wrap, both sides are provided with pulley below the door curtain, it is provided with alignment pin above the pulley, door curtain bottom face offers upper limit position groove.In the utility model, the device by below door curtain both sides be provided with pulley, and offer the sliding slot that cooperation pulley uses in door frame inner wall, make frictional force smaller of the door curtain in process of rising or falling between door frame, the noise sent out between door curtain and door frame when improving the service life of device, while device operation can be reduced with certain limit.
Description
Technical field
The utility model is related to rolling screen door technical fields, more particularly to a kind of limit duplicate protection fire resistance rolling shutter door up and down.
Background technology
Rolling screen door is cascaded with the movable door piece of multi-joint, in fixed slideway, in being with spool above door
Door above and below heart rotation, roller shutters are usually widely used in shop, and rolling screen door equally plays horizontal subdivision with the effect of wall.
And traditional rolling-door structure is simple, frictional force when use between door curtain and guide rail is larger, it is caused to generate
Noise is larger, and service life reduces, to make it be difficult to meet the needs of people.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and limit is double up and down for the one kind proposed
Fire resistance rolling shutter door is protected again.
To achieve the goals above, the utility model uses following technical solution：A kind of duplicate protection of limit up and down is anti-
Fiery rolling screen door, including door frame, the door frame bottom are provided with bottom plate, lower limit slot, the door are offered at the bottom plate center
Top of the trellis is provided with door curtain case, and the door curtain case is internally provided with bearing bracket stand, and bearing, the axis are embedded with inside the bearing bracket stand
It holds inside and is socketed with driven spindle, be provided at the driven spindle center around curtain axis, it is described to have door curtain around curtain axis surface wrap,
Both sides are provided with pulley below the door curtain, are provided with alignment pin above the pulley, door curtain bottom face offers
Limiting slot is provided with contact in the upper limit position groove inner top, is connected with by insulated spring below the upper contact crowded
Pressing plate, is provided with lower contact at the center of the stripper plate upper surface, one end of the driven spindle pass through driving chain with actively
Rotating shaft transmission connects, and the active rotating shaft is located at one end of motor, and side is provided with buzzer, the door below the door curtain case
Frame bottom side is provided with controller.
As further describing for above-mentioned technical proposal：
The upper alignment pin is in upper limit position groove on same vertical line.
As further describing for above-mentioned technical proposal：
There are two the pulley is arranged altogether, and two pulleys are symmetrical about door curtain vertical centerline.
As further describing for above-mentioned technical proposal：
The door frame inner wall offers sliding slot.
As further describing for above-mentioned technical proposal：
The door curtain centrally under is provided with lower contraposition card, and lower contraposition card is in same vertical line with lower limit slot
On.
As further describing for above-mentioned technical proposal：
Respectively with motor, buzzer, the input terminal of upper contact and lower contact is electrically connected the output end of the controller.
In the utility model, first, the device by below door curtain both sides be provided with pulley, and opened up in door frame inner wall
There is the sliding slot that cooperation pulley uses so that frictional force smaller of the door curtain in process of rising or falling between door frame improves
The service life of device, while the noise sent out between door curtain and door frame when device is run can be reduced with certain limit secondly should
Alignment pin and the matched upper limit position groove used, lower contraposition card and the matched lower limit used are provided in device
Slot so that the device can prevent door curtain from occurring derailment occurring when rising or falling and crossing to receive extremely to put phenomenon.
Description of the drawings
Fig. 1 be the utility model proposes it is a kind of up and down limit duplicate protection fire resistance rolling shutter door structural schematic diagram；
Fig. 2 is the utility model drive mechanism schematic diagram；
Fig. 3 is the utility model upper limit position groove internal structure schematic diagram.
Marginal data：
1- bearings, 2- door curtains case, 3- upper limit position grooves, 4- sliding slots, the upper alignment pins of 5-, 6- pulleys, 7- door frames, 8- bottom plates, 9-
Bearing bracket stand, 10- are aligned under curtain axis, 11- door curtains, 12- driving chains, 13- active rotating shafts, 14- motors, 15- buzzers, 16-
Contact, 22- insulated springs, 23- are squeezed under card, 17- lower limits slot, 18- controllers, 19- driven spindles, the upper contacts of 20-, 21-
Plate.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, a kind of to limit duplicate protection fire resistance rolling shutter door up and down, including door frame 7,7 bottom of door frame are provided with bottom
Plate 8 offers lower limit slot 17 at 8 center of bottom plate, and 7 top of door frame is provided with door curtain case 2, and door curtain case 2 is internally provided with bearing
Frame 9 is embedded with bearing 1 inside bearing bracket stand 9, driven spindle 19 is socketed with inside bearing 1, be provided at 19 center of driven spindle around
Curtain axis 10 has door curtain 11,11 lower section both sides of door curtain to be provided with pulley 6 around 10 surface wrap of curtain axis, and it is right that 6 top of pulley is provided with
Position pin 5,2 bottom surface of door curtain case offers upper limit position groove 3, is provided with contact 20 in 3 inner top of upper limit position groove, under upper contact 20
Side is connected with stripper plate 23 by insulated spring 22, and stripper plate is provided with lower contact 21, driven spindle 19 at 23 upper surface center
One end be sequentially connected by driving chain 12 and active rotating shaft 13, active rotating shaft 13 is located at one end of motor 14, under door curtain case 2
Square side is provided with buzzer 15, and 7 bottom side of door frame is provided with controller 18.
Upper alignment pin 5 is in upper limit position groove 3 on same vertical line, and there are two the total settings of pulley 6, and two pulleys 6 close
Symmetrical in 11 vertical centerline of door curtain, 7 inner wall of door frame offers sliding slot 4, and 11 centrally under of door curtain is provided with lower contraposition
Card 16, and lower contraposition card 16 and lower limit slot 17 are on same vertical line, the output end of controller 18 respectively with motor 14, bee
Ring device 15, and the input terminal of upper contact 20 and lower contact 21 is electrically connected.
The device by below door curtain 11 both sides be provided with pulley 6, and offer cooperation pulley 6 in 7 inner wall of door frame and make
Sliding slot 4 so that frictional force smaller of the door curtain 11 in process of rising or falling between door frame 7 improves making for device
With the service life, while the noise sent out between door curtain 11 and door frame 7 when can reduce device operation with certain limit.
Operation principle：It is run in use, controlling motor 14 by controller 18 first, motor operation drives active rotating shaft 13
Rotation rotates around curtain axis 10 and door curtain is packed up or put down to drive driven spindle 19 to rotate by driving chain 12, when packing up
When, upper alignment pin 5 is inserted into upper limit position groove 3, and upper alignment pin 5, which squeezes stripper plate 23, makes lower contact be connect with upper contact, buzzer
15 operations, while the control motor 14 of controller 18 is out of service, similarly, when putting down door curtain 11, lower contraposition card 16 is caught in lower limit
Stop in the slot 17 of position, completes the operational process of the device.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of limiting duplicate protection fire resistance rolling shutter door, including door frame up and down（7）, which is characterized in that the door frame（7）Bottom is set
It is equipped with bottom plate（8）, the bottom plate（8）Lower limit slot is offered at center（17）, the door frame（7）Top is provided with door curtain case
（2）, the door curtain case（2）It is internally provided with bearing bracket stand（9）, the bearing bracket stand（9）Inside is embedded with bearing（1）, the bearing
（1）Inside is socketed with driven spindle（19）, the driven spindle（19）It is provided at center around curtain axis（10）, described around curtain axis
（10）Surface wrap has door curtain（11）, the door curtain（11）Lower section both sides are provided with pulley（6）, the pulley（6）Top is arranged
There is upper alignment pin（5）, the door curtain case（2）Bottom surface offers upper limit position groove（3）, the upper limit position groove（3）It is set in inner top
It is equipped with contact（20）, the upper contact（20）Lower section passes through insulated spring（22）It is connected with stripper plate（23）, the stripper plate
（23）Lower contact is provided at the center of upper surface（21）, the driven spindle（19）One end pass through driving chain（12）With active
Shaft（13）It is sequentially connected, the active rotating shaft（13）Positioned at motor（14）One end, the door curtain case（2）Lower section side is arranged
There is buzzer（15）, the door frame（7）Bottom side is provided with controller（18）.
2. a kind of limit duplicate protection fire resistance rolling shutter door up and down according to claim 1, which is characterized in that the upper contraposition
Pin（5）With upper limit position groove（3）On same vertical line.
3. a kind of limit duplicate protection fire resistance rolling shutter door up and down according to claim 1, which is characterized in that the pulley
（6）Altogether there are two settings, and two pulleys（6）About door curtain（11）Vertical centerline is symmetrical.
4. a kind of limit duplicate protection fire resistance rolling shutter door up and down according to claim 1, which is characterized in that the door frame
（7）Inner wall offers sliding slot（4）.
5. a kind of limit duplicate protection fire resistance rolling shutter door up and down according to claim 1, which is characterized in that the door curtain
（11）Centrally under is provided with lower contraposition card（16）, and lower contraposition blocks（16）With lower limit slot（17）In same vertical line
On.
6. a kind of limit duplicate protection fire resistance rolling shutter door up and down according to claim 1, which is characterized in that the controller
（18）Output end respectively with motor（14）, buzzer（15）, upper contact（20）With lower contact（21）Input terminal be electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721680877.5U CN207647437U (en) | 2017-12-06 | 2017-12-06 | It is a kind of to limit duplicate protection fire resistance rolling shutter door up and down |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721680877.5U CN207647437U (en) | 2017-12-06 | 2017-12-06 | It is a kind of to limit duplicate protection fire resistance rolling shutter door up and down |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207647437U true CN207647437U (en) | 2018-07-24 |
Family
ID=62879040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721680877.5U Expired - Fee Related CN207647437U (en) | 2017-12-06 | 2017-12-06 | It is a kind of to limit duplicate protection fire resistance rolling shutter door up and down |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207647437U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111106577A (en) * | 2019-12-27 | 2020-05-05 | 安徽华瑞桥架有限公司 | Fire-resistant cable bridge with early warning function |
-
2017
- 2017-12-06 CN CN201721680877.5U patent/CN207647437U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111106577A (en) * | 2019-12-27 | 2020-05-05 | 安徽华瑞桥架有限公司 | Fire-resistant cable bridge with early warning function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180724 Termination date: 20211206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |