CN103337931A - Brake structure of motor for door use - Google Patents
Brake structure of motor for door use Download PDFInfo
- Publication number
- CN103337931A CN103337931A CN2013102377440A CN201310237744A CN103337931A CN 103337931 A CN103337931 A CN 103337931A CN 2013102377440 A CN2013102377440 A CN 2013102377440A CN 201310237744 A CN201310237744 A CN 201310237744A CN 103337931 A CN103337931 A CN 103337931A
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- China
- Prior art keywords
- brake
- motor
- boss
- motor body
- bonnet
- 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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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a brake structure of a motor for a door use, which comprises a motor body, wherein a brake is connected with a rear cover of the motor body; the brake comprises a barrel-shaped connection casing fixed with the rear cover of the motor body; a motor shaft of the motor body stretches into the connection casing; a brake disc is mounted on the motor shaft; a brake seat corresponding to the brake disc is fixed with the rear cover of the motor body; an electromagnetic coil is arranged inside the brake seat; the brake disc is sucked on the brake seat by the electromagnetic field produced by the power on of the electromagnetic coil. The structure can prevent the door from being pushed open forcibly and improves the safety.
Description
Technical field
The present invention relates to use the motor brake structure.
Background technology
Existing door motor generally includes with lower member: motor, reduction box, synchronous pulley, encoder.This door motor is simple in structure, yet because the self-lock ability of reducing motor is limited, can be forced to push open by external force, makes door control system have potential safety hazard.
Summary of the invention
Technical problem to be solved by this invention just provides a kind of and uses the motor brake structure, prevents from being forced to push open by external force, improves fail safe.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: use the motor brake structure for a kind of, comprise motor body, the bonnet of motor body is connected with brake, described brake comprises the connection shell of the tubular that is fixed on the motor body bonnet, the motor shaft of motor body stretches into and connects shell and brake disc is installed, the corresponding brake disc of described motor body bonnet fixedly has brake mount, be provided with solenoid in the described brake mount, solenoid generates an electromagnetic field by energising brake disc is adsorbed on the brake mount.
Preferably, be provided with the bar shaped key between described brake disc and the motor shaft, described motor shaft is provided with jump ring in both sides before and after brake disc, be provided with the adjustment packing ring between described jump ring and the brake disc.
Preferably, described connection shell rear side is provided with encoder, and described encoder comprises the encoder housing of tubular, and motor shaft stretches into encoder housing and magnet ring is installed, and the corresponding magnet ring of encoder housing is equipped with Hall element.
Preferably, the bonnet of described motor body is provided with first boss, and the opening sleeve of described connection shell is connected on first boss.
Preferably, described first boss is provided with second boss, and described brake mount is connected on second boss by opening sleeve.
Preferably, described connection shell bonnet is provided with the 3rd boss, and the opening sleeve of described encoder housing is connected on the 3rd boss.
Door of the present invention is with the electromagnetic brake structure of motor, can prevent from being forced to push open by external force, improves fail safe.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is further described:
Fig. 1 is door motor front view;
Fig. 2 is door motor side view;
Fig. 3 is door motor partial sectional view one;
Fig. 4 is door motor partial sectional view two.
Embodiment
Its brake structure is made with motor below in conjunction with the door shown in Fig. 1 to Fig. 4 and to be specified, this door comprises motor body 2 with motor, the protecgulum of motor body 2 is connected with reduction box 3, synchronous pulley 30 is installed on the output shaft of reduction box, the motor body bonnet is connected with brake 1, described brake comprises the connection shell 10 of the tubular that is fixed on the motor body bonnet, the motor shaft 20 of motor body 2 stretches into and connects shell and brake disc 12 is installed, the corresponding brake disc of described motor body bonnet fixedly has brake mount 11, be provided with solenoid in the described brake mount, solenoid generates an electromagnetic field by energising brake disc is adsorbed on the brake mount.Be provided with bar shaped key 14 between described brake disc and the motor shaft, described motor shaft is provided with jump ring 13 in both sides before and after brake disc, be provided with the adjustment packing ring between described jump ring and the brake disc.Described connection shell rear side is provided with encoder 4, and described encoder comprises the encoder housing 40 of tubular, and motor shaft stretches into encoder housing and magnet ring 41 is installed, and the corresponding magnet ring of encoder housing is equipped with Hall element 42.Described motor body bonnet is provided with first boss 21, and the opening sleeve of described connection shell is connected on first boss 21.Described first boss is provided with second boss 22, and described brake mount is connected on second boss 22 by opening sleeve.Described connection shell bonnet is provided with the 3rd boss 43, and the opening sleeve of described encoder housing is connected on the 3rd boss 43.Screw penetrates and is threaded in and will connect shell on the motor body bonnet with the motor body bonnet is fixed from connecting the shell bonnet, and described encoder housing opening is provided with one and encloses flange, and screw is fixed on encoder housing on the connection shell by flange.Tube bottom is provided with annular boss in the described encoder housing, and described Hall element is located on the annular boss and by screw and is fixed.Be provided with turbine and worm decelerator in the described reduction box.This motor is used for the automatic induction door of glass.
Described door is provided with control chip with motor and controls, described magnet ring is to level, every S, N are a pair of, establish 12 pairs altogether, 12 signals of output revolution, control chip is controlled motor rotation according to the magnet ring signal that receives, and this brake possesses three brake functions, when 1. automatically-controlled door moves, system starts brake, and door is stopped rapidly; 2, when automatically-controlled door was closed, system starts brake can make door under external force, also can't push open, plays antitheft effect; 3, system cut-off, the brake nature unclamps, and door can be pushed open under external force.
Claims (6)
1. door motor brake structure, comprise motor body (2), the bonnet of motor body is connected with brake (1), it is characterized in that: described brake comprises the connection shell (10) of the tubular that is fixed on the motor body bonnet, the motor shaft of motor body (20) stretches into and connects shell and brake disc (12) is installed, the corresponding brake disc of described motor body bonnet fixedly has brake mount (11), be provided with solenoid in the described brake mount, solenoid generates an electromagnetic field by energising brake disc is adsorbed on the brake mount.
2. use the motor brake structure for according to claim 1, it is characterized in that: be provided with bar shaped key (14) between described brake disc and the motor shaft, described motor shaft is provided with jump ring (13) in both sides before and after brake disc, be provided with the adjustment packing ring between described jump ring and the brake disc.
3. use the motor brake structure for according to claim 2, it is characterized in that: described connection shell rear side is provided with encoder (4), described encoder comprises the encoder housing (40) of tubular, motor shaft stretches into encoder housing and magnet ring (41) is installed, and the corresponding magnet ring of encoder housing is equipped with Hall element (42).
4. door according to claim 3 is used the motor brake structure, and it is characterized in that: the bonnet of described motor body is provided with first boss (21), and the opening sleeve of described connection shell is connected on first boss.
5. door according to claim 4 is used the motor brake structure, and it is characterized in that: described first boss is provided with second boss (22), and described brake mount is connected on second boss by opening sleeve.
6. door according to claim 5 is used the motor brake structure, and it is characterized in that: described connection shell bonnet is provided with the 3rd boss (43), and the opening sleeve of described encoder housing is connected on the 3rd boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102377440A CN103337931A (en) | 2013-06-13 | 2013-06-13 | Brake structure of motor for door use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102377440A CN103337931A (en) | 2013-06-13 | 2013-06-13 | Brake structure of motor for door use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103337931A true CN103337931A (en) | 2013-10-02 |
Family
ID=49246049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102377440A Pending CN103337931A (en) | 2013-06-13 | 2013-06-13 | Brake structure of motor for door use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103337931A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4360089A (en) * | 1979-07-04 | 1982-11-23 | Nippon Soken, Inc. | Electric actuator provided with a brake |
| CN200983527Y (en) * | 2006-08-29 | 2007-11-28 | 许晓华 | Dual clamp loop positioning structure of worm wheel and worm de-acceleration electromotor axis |
| CN201113660Y (en) * | 2007-09-24 | 2008-09-10 | 张敏德 | Braking electric motor |
| CN203278538U (en) * | 2013-06-13 | 2013-11-06 | 东阳市东政电机有限公司 | Motor brake structure for door |
-
2013
- 2013-06-13 CN CN2013102377440A patent/CN103337931A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4360089A (en) * | 1979-07-04 | 1982-11-23 | Nippon Soken, Inc. | Electric actuator provided with a brake |
| CN200983527Y (en) * | 2006-08-29 | 2007-11-28 | 许晓华 | Dual clamp loop positioning structure of worm wheel and worm de-acceleration electromotor axis |
| CN201113660Y (en) * | 2007-09-24 | 2008-09-10 | 张敏德 | Braking electric motor |
| CN203278538U (en) * | 2013-06-13 | 2013-11-06 | 东阳市东政电机有限公司 | Motor brake structure for door |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131002 |