CN211900389U - Novel electromagnetic braking type door roller - Google Patents
Novel electromagnetic braking type door roller Download PDFInfo
- Publication number
- CN211900389U CN211900389U CN201921873180.9U CN201921873180U CN211900389U CN 211900389 U CN211900389 U CN 211900389U CN 201921873180 U CN201921873180 U CN 201921873180U CN 211900389 U CN211900389 U CN 211900389U
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- brake disc
- brake
- electromagnet
- shell
- electromagnetic
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Abstract
The utility model mainly relates to a novel electromagnetic braking formula rolling door machine, it is including reduction gear box, stop device, motor, electromagnetic brake assembly, back lid, remote controller and the manual button switch who connects gradually from top to bottom. The electromagnetic brake assembly comprises a shell, wherein an electromagnet, a brake spring and a metal brake disc are arranged in the shell; the brake disc is arranged below the electromagnet, a plurality of sliding grooves are uniformly arrayed on the circumference of the side face of the brake disc, a plurality of guide posts corresponding to the sliding grooves are arranged on the shell wall in the shell, and the sliding grooves are sleeved on the guide posts and can slide up and down. When the door rolling machine of the utility model works, the electromagnet can uniformly attract the metal brake disc, thereby timely relieving the brake state; when the door roller stops working, the guide post is matched with the sliding groove, and the metal brake disc and the brake disc are not easy to loosen, so that the safety factor of electromagnetic braking is improved, the safe operation of the door roller is ensured, and the door roller has a positive technical effect.
Description
Technical Field
The utility model relates to a rolling door machine technical field especially relates to a novel electromagnetic braking formula rolling door machine.
Background
Most of the existing rolling gate door machines are provided with brake devices, and the principle is as follows: a brake disc is fixed at one end of the motor rotating shaft, and a metal brake block and an electromagnet are arranged above the brake disc. The electromagnet is electrified to work to attract the metal brake block, the metal brake block is separated from the brake disc, the brake is opened, and the motor runs smoothly; when the work is stopped in case of power failure, the metal brake block is pressed on the brake disc under the action of the brake spring to play a role of braking, and the motor stops working.
Therefore, in order to ensure the normal operation of the rolling gate machine, a brake clearance is arranged between the electromagnet and the metal brake disc so as to ensure that the rolling gate machine can be separated from the brake in time during working. Electromagnet and metal brake disc among the present rolling gate door machine braking system rely on a thinner metal pole to support, and in the brake spring inside through-hole was worn to be equipped with by the metal pole, rocked easily during the brake, the downside that causes the metal brake disc did not wholly break away from the brake disc, and the metal brake disc still is in half friction state with the brake disc this moment, and the motor circular telegram during operation, the resistance grow generates heat easily and causes the damage.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, a novel electromagnetic brake type door rolling machine is provided.
The utility model provides a technical scheme that its technique was taken is: the utility model provides a novel electromagnetic braking formula rolling door machine, its is including reduction gear, stop device, motor, electromagnetic braking assembly and the back lid that connects from top to bottom in proper order, still includes external remote controller and manual button switch.
The bottom of the reduction gear box is provided with an installation supporting leg, and the limiting device is arranged on one side of the reduction gear box and is in transmission connection with the reduction gear box; the lower end of a rotating shaft of the motor is in transmission connection with the reduction gear box, and a brake disc is fixed at the upper end of the rotating shaft; the rear cover is provided with a control circuit.
The electromagnetic brake assembly comprises a cylindrical shell, a top cover is arranged above the inside of the shell, the top cover is provided with bosses, and fixing holes are uniformly formed in the circumferences of the bosses; an electromagnet, a brake spring and a metal brake disc are arranged inside the shell; the electromagnet comprises an iron core and a coil, the brake spring is arranged in a containing hole in the center of the iron core and pushes against the metal brake disc, and the top of the electromagnet is fixed at the bottom of the top cover; the brake disc is arranged below the electromagnet and plays a role of an armature, the upper side surface of the brake disc is contacted with the electromagnet in an attracting mode when the brake disc is attracted by the electromagnet, and the lower side surface of the brake disc can be in frictional contact with a brake disc of the door rolling machine under the elastic pushing action of a brake spring when the brake disc is not attracted by the electromagnet.
The side surface circumference of the brake disc is uniformly arrayed with a plurality of sliding chutes which are vertically distributed, the shell wall inside the shell is provided with a plurality of guide posts corresponding to the sliding chutes, and the sliding chutes are sleeved on the guide posts and can slide up and down; and a plurality of screw holes are uniformly distributed on the circumference of the shell wall at the bottom of the shell.
Preferably, the control circuit is electrically connected with the motor and the electromagnetic brake assembly and controls the working state of the motor and the electromagnetic brake assembly, and the remote controller and the manual button switch are electrically connected with the control circuit.
Preferably, the lower side surface of the brake disc is a striped rough surface.
Preferably, the sliding grooves are provided with 3 or 4.
The utility model has the advantages that: when the door roller works, the electromagnet can uniformly attract the metal brake disc, so that the braking state is timely released. When the door roller stops working, the guide post and the sliding groove are matched with each other, so that the brake disc is not easy to loosen, the safety factor of electromagnetic braking is improved, and the safe operation of the door roller is ensured.
Drawings
FIG. 1 is a schematic structural diagram of the present invention
Fig. 2 is a schematic perspective view of the housing of the present invention.
Fig. 3 is a schematic structural diagram of the electromagnetic brake assembly of the present invention.
Fig. 4 is a sectional view a-a of fig. 3.
Fig. 5 is a schematic structural diagram of the metal brake disc of the present invention.
Fig. 6 is a sectional view B-B of fig. 5.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.
As shown in fig. 1-6, the embodiment of the present invention: the utility model provides a novel electromagnetic braking formula rolling door machine, its is including reduction gear 1, stop device 2, motor 3, electromagnetic braking assembly 4 and the back lid 5 that connect gradually from top to bottom, still includes external remote controller 6 and manual button switch 7.
The bottom of the reduction gear box 1 is provided with mounting support legs 8, and the limiting device 2 is arranged on one side of the reduction gear box 1 and is in transmission connection with the reduction gear box 1; the lower end of a rotating shaft 9 of the motor 3 is in transmission connection with the reduction gear box 1, and a brake disc 10 is fixed at the upper end of the rotating shaft 9; the rear cover 5 is provided with a control circuit 11.
The electromagnetic brake assembly 4 comprises a cylindrical shell 12, a top cover 13 is arranged above the inside of the shell 12, the top cover 13 is provided with a boss 14, and fixing holes 15 are uniformly formed in the circumference of the boss 14; an electromagnet 16, a brake spring 17 and a metal brake disc 18 are arranged inside the shell 12; the electromagnet 16 comprises an iron core 19 and a coil 20, the brake spring 17 is arranged in the center of the iron core 19 and pushes against the metal brake disc 18, and the top of the electromagnet 16 is fixed at the bottom of the top cover 13; the brake disc 18 is arranged below the electromagnet 16 and plays a role of an armature, the upper side surface of the metal brake disc 18 is attracted and contacted with the electromagnet 16 when being attracted by the electromagnet 16, and the lower side surface of the metal brake disc 18 can be in frictional contact with the brake disc 10 under the elastic pushing action of the brake spring 17 when not attracted by the electromagnet 16.
The metal brake disc 18 is uniformly arrayed with a plurality of sliding grooves 21 on the circumference of the side surface, the sliding grooves 21 are vertically distributed, a plurality of guide posts 22 corresponding to the sliding grooves 21 are arranged on the shell wall in the shell 12, and the sliding grooves 21 are sleeved on the guide posts 22 and can slide up and down; a plurality of fixing screw holes 23 are uniformly distributed on the circumference of the shell wall at the bottom of the shell 12.
In this embodiment, control circuit 11 is connected and control motor 3 and electromagnetic brake assembly 4's operating condition with motor 3, electromagnetic brake assembly 4 electricity, remote controller 6 and manual button switch 7 are connected with control circuit 11 electricity, and remote controller 6 can the operation of remote control rolling door machine, and manual button switch 7 can the operation of manual control rolling door machine.
In this embodiment, the lower side surface of the brake disc 18 is a rough surface, and the rough surface is in friction contact with the brake disc 10 to improve the friction coefficient and increase the braking effect.
In this embodiment, there are 3 or 4 chutes.
When the brake disc is used, the motor 3 and the electromagnet 16 are electrified to work, the electromagnet 16 works to attract the metal brake disc 18, the metal brake disc 18 is separated from the brake disc 10, the brake is opened, and the motor 3 runs smoothly. When the motor 3 and the electromagnet 16 are powered off and stop working, the metal brake disc 18 is pressed on the brake disc 10 under the elastic force of the brake spring 17 to play a braking role, and the motor 3 stops working.
When the motor 3 stops working, the gear in the reduction gear box 1 and the rotating shaft 9 of the motor are driven by the self weight of the rolling door, so that the brake disc 10 at the upper end of the rotating shaft 9 is also driven. At this time, the guide post 22 is matched with the sliding groove 21, the metal brake disc 18 cannot rotate in the shell 12, and the brake disc 10 cannot rotate under the pressing of the metal brake disc 18, so that the rotating shaft 9 can be prevented from being reversed by the dead weight of the roller shutter door, the safety factor of electromagnetic braking is improved, and the safe operation of the roller shutter door machine and the roller shutter door is ensured.
The utility model discloses a rolling door machine during operation, 16 actuation metal brake discs of electro-magnet 18 are whole even, the brake state that relieves that can be timely. When the door roller stops working, the guide post and the sliding groove are matched with each other, so that the metal brake disc 18 and the brake disc 10 are not driven to rotate, the safety factor of electromagnetic braking is improved, and the safe operation of the door roller is ensured.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (4)
1. The utility model provides a novel electromagnetic braking formula rolling door machine which characterized in that: the electromagnetic brake device comprises a reduction gear box, a limiting device, a motor, an electromagnetic brake assembly and a rear cover which are sequentially connected up and down, and further comprises an external remote controller and a manual button switch;
the bottom of the reduction gear box is provided with an installation supporting leg, and the limiting device is arranged on one side of the reduction gear box and is in transmission connection with the reduction gear box; the lower end of a rotating shaft of the motor is in transmission connection with the reduction gear box, and a brake disc is fixed at the upper end of the rotating shaft; the rear cover is provided with a control circuit; the electromagnetic brake assembly comprises a cylindrical shell, a top cover is arranged above the inside of the shell, the top cover is provided with bosses, and fixing holes are uniformly formed in the circumferences of the bosses;
an electromagnet, a brake spring and a metal brake disc are arranged inside the shell; the electromagnet comprises an iron core and a coil, the brake spring is arranged in a containing hole in the center of the iron core and pushes against the metal brake disc, and the top of the electromagnet is fixed at the bottom of the top cover; the brake disc is in a cylindrical discus shape, is arranged below the electromagnet and plays a role of an armature, the upper side surface of the brake disc is attracted and contacted with the electromagnet when the brake disc is attracted by the electromagnet, and the lower side surface of the brake disc can be in frictional contact with the brake disc of the door rolling machine under the elastic pushing action of the brake spring when the brake disc is not attracted by the electromagnet;
the side surface circumference of the brake disc is uniformly arrayed with a plurality of sliding chutes which are vertically distributed, the shell wall inside the shell is provided with a plurality of guide posts corresponding to the sliding chutes, and the sliding chutes are sleeved on the guide posts and can slide up and down; and a plurality of screw holes are uniformly distributed on the circumference of the shell wall at the bottom of the shell.
2. The novel electromagnetic brake type door roller as claimed in claim 1, wherein: the control circuit is electrically connected with the motor and the electromagnetic brake assembly and controls the working states of the motor and the electromagnetic brake assembly, and the remote controller and the manual button switch are electrically connected with the control circuit.
3. The novel electromagnetic brake type door roller as claimed in claim 1, wherein: the lower side surface of the brake disc is a stripe rough surface.
4. The novel electromagnetic brake type door roller as claimed in claim 1, wherein: the sliding groove is provided with 3 or 4 sliding grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921873180.9U CN211900389U (en) | 2019-11-03 | 2019-11-03 | Novel electromagnetic braking type door roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921873180.9U CN211900389U (en) | 2019-11-03 | 2019-11-03 | Novel electromagnetic braking type door roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211900389U true CN211900389U (en) | 2020-11-10 |
Family
ID=73285061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921873180.9U Expired - Fee Related CN211900389U (en) | 2019-11-03 | 2019-11-03 | Novel electromagnetic braking type door roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211900389U (en) |
-
2019
- 2019-11-03 CN CN201921873180.9U patent/CN211900389U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201113 Address after: 363000 No. 1 Longmei Road, Longwen District, Zhangzhou City, Fujian Province Patentee after: Zhangzhou Fubang Industry and Trade Co.,Ltd. Address before: No.60, Huaide building, Longtou village, anhou Town, Pinghe County, Zhangzhou City, Fujian Province Patentee before: Lin Zhenzhu |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201110 Termination date: 20211103 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |