CN209761308U - Auxiliary brake device for roller shutter door - Google Patents
Auxiliary brake device for roller shutter door Download PDFInfo
- Publication number
- CN209761308U CN209761308U CN201920282362.2U CN201920282362U CN209761308U CN 209761308 U CN209761308 U CN 209761308U CN 201920282362 U CN201920282362 U CN 201920282362U CN 209761308 U CN209761308 U CN 209761308U
- Authority
- CN
- China
- Prior art keywords
- ratchet
- roller
- ratchet wheel
- spool
- end cover
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses an auxiliary brake device for roller shutter door, including spool and end cover, the both sides of spool set up the supporting seat to set up the reel in the outside of spool, set gradually first ratchet and second ratchet on the spool of end cover inboard from inside to outside, first ratchet is reverse with the second ratchet, and first ratchet and second ratchet all are connected through the parallel key with the spool, the utility model discloses simple structure adopts supporting seat and spool cooperation to improve the stability of spool to through the rotational speed of speed sensor real-time supervision spool, improve linkage performance, safety and stability more; adopt first jack catch and first ratchet cooperation, unreel the process to the spool and carry out auxiliary brake braking to through second jack catch and second ratchet cooperation, carry out auxiliary brake braking to spool rolling process, drive by the cylinder simultaneously, the brake is rapider, and is more stable.
Description
Technical Field
The utility model relates to a rolling slats door equipment technical field specifically is a rolling slats door is with auxiliary brake device.
Background
Electric rolling doors are widely used in storefronts, garages, markets and other places, and generally, rolling doors are opened and closed by driving a scroll through a chain transmission mechanism, a winding drum arranged outside the scroll rotates along with the scroll, and a door curtain wound on the winding drum is driven to slide up and down along door curtain guide rails on two sides of a door opening. After a period of time of use, the transmission chain of the chain transmission mechanism can be worn out and loosened due to fatigue, chain dropping and chain breaking can be caused frequently, once the chain dropping or chain breaking occurs, the door curtain can fall down under the action of self gravity, the door curtain can be damaged, and serious potential safety hazards can be caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a roller shutter door is with auxiliary brake device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
An auxiliary brake device for a roller shutter door comprises a scroll and an end cover, wherein supporting seats are arranged on two sides of the scroll, a winding drum is arranged on the outer side of the scroll, the winding drum and the supporting seats are connected with a wall body through bolts, the end cover is arranged on the supporting seat at the left end of the scroll, the end cover is connected with the supporting seat through bolts, the scroll is matched with the supporting seats and the end cover through bearings, a speed sensor is arranged on the outer side of the end cover, the shaft end of the speed sensor is matched and connected with the scroll, the speed sensor is connected with the end cover through screws, a first ratchet wheel and a second ratchet wheel are sequentially arranged on the scroll on the inner side of the end cover from inside to outside, the first ratchet wheel is opposite to the second ratchet wheel, the first ratchet wheel and the second ratchet wheel are connected with the scroll through flat keys, a first sliding groove is processed on the supporting seat above the first ratchet wheel, a first clamping jaw is arranged, and meanwhile, a second chute is processed on the supporting seat below the second ratchet wheel, a second clamping jaw is arranged in the second chute and matched with the second ratchet wheel, and an air cylinder is arranged on the supporting seat outside the first chute and the second chute and is respectively connected with the first clamping jaw and the second clamping jaw through bolts.
As a further aspect of the present invention: and a stop ring is arranged on the reel between the second ratchet wheel and the end cover and is matched with the bearing.
As a further aspect of the present invention: the extending ends of the first jaw and the second jaw are both provided with inclined planes and are respectively matched with ratchet teeth on the first ratchet wheel and the second ratchet wheel.
As a further aspect of the present invention: the number of the cylinders is two, and the cylinders are correspondingly matched with the first clamping jaw and the second clamping jaw respectively.
As a further aspect of the present invention: the speed sensor adopts an S3806 photoelectric rotary encoder.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model has simple structure, improves the stability of the scroll by matching the supporting seat and the winding drum, monitors the rotating speed of the scroll in real time by the speed sensor, improves the linkage performance, and is safer and more stable; adopt first jack catch and first ratchet cooperation, unreel the process to the spool and carry out auxiliary brake braking to through second jack catch and second ratchet cooperation, carry out auxiliary brake braking to spool rolling process, drive by the cylinder simultaneously, the brake is rapider, and is more stable.
Drawings
Fig. 1 is a schematic structural view of an auxiliary brake apparatus for a rolling door.
3 fig. 3 2 3 is 3 a 3 schematic 3 structural 3 view 3 of 3 an 3 auxiliary 3 brake 3 device 3 a 3- 3 a 3 for 3 a 3 rolling 3 shutter 3 door 3. 3
Fig. 3 is a schematic structural view of an auxiliary brake device B-B for a rolling door.
In the figure: the device comprises a scroll 1, a winding drum 2, a cylinder 3, a supporting seat 4, an end cover 5, a speed sensor 6, a bearing 7, a baffle ring 8, a first sliding chute 9, a first claw 10, a first ratchet wheel 11, a second ratchet wheel 12, a second claw 13, a second sliding chute 14 and a flat key 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, in an embodiment of the present invention, an auxiliary brake device for a roller shutter door includes a roller shaft 1 and an end cover 5, wherein two sides of the roller shaft 1 are provided with a support seat 4, and a roller 2 is arranged outside the roller shaft 1, the roller 2 and the support seat 4 are both connected to a wall body through bolts, and the end cover 5 is arranged on the support seat 4 at the left end of the roller shaft 1, the end cover 5 is connected to the support seat 4 through bolts, and the roller shaft 1 is matched with the support seat 4 and the end cover 5 through bearings, and a speed sensor 6 is arranged outside the end cover 5, and the shaft end of the speed sensor 6 is matched with the roller shaft 1, and the speed sensor 6 is connected to the end cover 5 through screws, so that the stability of the roller shaft 1 is improved through the matching of the support seat 4 and the roller shaft 2, and the rotating speed of the, a first ratchet wheel 11 and a second ratchet wheel 12 are sequentially arranged on the reel 1 on the inner side of the end cover 5 from inside to outside, the first ratchet wheel 11 and the second ratchet wheel 12 are opposite, the first ratchet wheel 11 and the second ratchet wheel 12 are connected with the reel 1 through a flat key 15, a first chute 9 is processed on a supporting seat 4 above the first ratchet wheel 11, a first claw 10 is arranged in the first chute 9, the first claw 10 is matched with the first ratchet wheel 11, a second chute 14 is processed on the supporting seat 4 below the second ratchet wheel 12, a second claw 13 is arranged in the second chute 14, the second claw 13 is matched with the second ratchet wheel 12, an air cylinder 3 is arranged on the supporting seat 4 on the outer side of the first chute 9 and the second chute 14, the air cylinder 3 is respectively connected with the first claw 10 and the second claw 13 through bolts, and the first claw 10 is matched with the first ratchet wheel 11 to perform auxiliary brake on the reel 1 unwinding process, through the cooperation of second jack catch 13 with second ratchet 12, carry out auxiliary brake braking to spool 1 rolling process to driven by cylinder 3, the braking is more rapid, and is more stable.
a stop ring 8 is arranged on the reel 1 between the second ratchet wheel 12 and the end cover 5, and the stop ring 8 is matched with the bearing 7.
The extending ends of the first claw 10 and the second claw 13 are both processed with slopes and are respectively matched with ratchet teeth on the first ratchet wheel 11 and the second ratchet wheel 12.
The number of the cylinders 3 is two, and the cylinders are correspondingly matched with the first clamping jaw 10 and the second clamping jaw 13 respectively.
The speed sensor 6 adopts an S3806 photoelectric rotary encoder.
The utility model discloses a theory of operation is: during the use, through the rotational speed of speedtransmitter 6 real-time supervision spool 1, if unreel the in-process and take place the broken chain condition, the rotational speed of spool 1 can increase suddenly, and speedtransmitter 6 monitors simultaneously to linkage cylinder 3 drives first jack catch 10 and the cooperation of first ratchet 11, drives second jack catch 13 and the cooperation of second ratchet 12 simultaneously, carries out dual brake braking to the spool, can avoid the rolling slats door to descend suddenly with spool 11 locking, causes the incident.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. An auxiliary brake device for a roller shutter door comprises a roller and an end cover, and is characterized in that supporting seats are arranged on two sides of the roller, a roller is arranged on the outer side of the roller, the roller and the supporting seats are connected with a wall body through bolts, the end cover is arranged on the supporting seat at the left end of the roller, the end cover is connected with the supporting seats through bolts, the roller is matched with the supporting seats and the end cover through bearings, a speed sensor is arranged on the outer side of the end cover, the shaft end of the speed sensor is matched and connected with the roller, the speed sensor is connected with the end cover through screws, a first ratchet wheel and a second ratchet wheel are sequentially arranged on the roller on the inner side of the end cover from inside to outside, the first ratchet wheel is opposite to the second ratchet wheel, the first ratchet wheel and the second ratchet wheel are connected with the roller through flat keys, a first sliding groove is processed on the supporting seat above the first ratchet, and first jack catch and the cooperation of first ratchet wheel, process the second spout simultaneously on the supporting seat of second ratchet wheel below, set up the second jack catch in the second spout to the second jack catch cooperates with the second ratchet wheel, sets up the cylinder in addition on the supporting seat in the first spout and the second spout outside, and the cylinder passes through bolted connection with first jack catch and second jack catch respectively.
2. The auxiliary brake apparatus for a rolling door as claimed in claim 1, wherein a stopper ring is provided on the winding shaft between the second ratchet and the end cap, and the stopper ring is engaged with the bearing.
3. The auxiliary brake apparatus for a rolling door as claimed in claim 1, wherein the first and second jaws have outwardly extending ends that are beveled and engage with ratchet teeth of the first and second ratchet gears, respectively.
4. The auxiliary brake apparatus for a rolling shutter door as claimed in claim 1, wherein the number of the cylinders is two and the cylinders are respectively and correspondingly engaged with the first jaw and the second jaw.
5. The auxiliary brake apparatus for a rolling shutter door as claimed in claim 1, wherein the speed sensor employs an S3806 photoelectric rotary encoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920282362.2U CN209761308U (en) | 2019-03-06 | 2019-03-06 | Auxiliary brake device for roller shutter door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920282362.2U CN209761308U (en) | 2019-03-06 | 2019-03-06 | Auxiliary brake device for roller shutter door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209761308U true CN209761308U (en) | 2019-12-10 |
Family
ID=68753607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920282362.2U Expired - Fee Related CN209761308U (en) | 2019-03-06 | 2019-03-06 | Auxiliary brake device for roller shutter door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209761308U (en) |
-
2019
- 2019-03-06 CN CN201920282362.2U patent/CN209761308U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 |