CN215378675U

CN215378675U - Planetary deceleration direct-current brushless motor for fire-fighting intelligent home

Info

Publication number: CN215378675U
Application number: CN202121221693.9U
Authority: CN
Inventors: 欧阳兆棉
Original assignee: Foshan Shunde E Motor Machinery Co ltd
Current assignee: Foshan Shunde E Motor Machinery Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-12-31
Anticipated expiration: 2031-06-02

Abstract

The utility model relates to a planetary speed-reducing direct-current brushless motor for a fire-fighting intelligent home, which comprises a shell, wherein a stator is arranged on the inner side of the shell, a rotor is arranged on the inner side of the stator, a rotating shaft is fixedly connected to the inner side of the rotor, and speed reducers are connected to two ends of the rotating shaft. When the electric power is lost, the standby storage battery supplies power to enable the motor to keep running for emergency, when the electric quantity of the storage battery is completely used up, namely the coil is completely powered off, the iron core loses magnetic force on the armature plate, the spring pops the armature plate out, the armature plate slides along the support and pushes the friction plate, the friction braking effect is achieved, and the safety degree is improved.

Description

Planetary deceleration direct-current brushless motor for fire-fighting intelligent home

Technical Field

The utility model relates to the technical field of motors, in particular to a planetary reduction direct-current brushless motor for a fire-fighting smart home.

Background

Many mechanical transmission equipment all need provide power just can the operation, and the motor is as a power supply, and it is very convenient to use, has to start rapidly, and the reaction time is short, and advantage such as power is powerful, consequently all adopts the motor as the power supply on many mechanical equipment. After the power is switched on, the motor can quickly reach the rated rotating speed, and when the power is switched off suddenly, the motor shaft can still continuously rotate for a period of time under the action of inertia to stop completely. This situation does not cause any impact on general equipment, but causes losses on specific equipment, such as machining equipment, tree and grass cutting machines, fire-fighting roller doors, etc., and causes inconvenience in use, even injury to operators, or damage to equipment, because the motor shaft rotates after sudden power failure.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a planetary deceleration direct-current brushless motor for a fire-fighting intelligent home with power-off braking.

The technical scheme adopted by the utility model is as follows:

a planetary deceleration direct-current brushless motor for a fire-fighting smart home comprises a shell, wherein a stator is arranged on the inner side of the shell, a rotor is arranged on the inner side of the stator, a rotating shaft is fixedly connected to the inner side of the rotor, two ends of the rotating shaft extend to the outer side of the rotor and are connected with a speed reducer, and a power-off brake is arranged between one speed reducer and the shell;

the power-off brake comprises an iron core, a coil, a friction plate, an armature plate and a fixed plate, wherein the coil is arranged on the inner side of the iron core, one end of the iron core is connected with the shell, the other end of the iron core is connected with the fixed plate through a supporting column, the armature plate is connected with the supporting column in a sliding mode, the fixed plate is fixedly connected with the speed reducer, one side, close to the fixed plate, of the iron core is connected with a spring, the spring is connected with the armature plate, the friction plate is arranged between the armature plate and the fixed plate, and the friction plate is fixedly connected with a rotating shaft.

Preferably, a mounting sleeve is connected to the inside of the core, and the coil is fitted to the outside of the mounting sleeve.

Preferably, a wire passing groove is formed between the iron core and the mounting sleeve and communicated with a wire passing hole.

Preferably, the rotating shaft is connected with a hexagonal block through a screw, the middle part of each friction plate is provided with a hexagon socket, and each friction plate is embedded outside the hexagonal block through the hexagon socket.

Preferably, the rotor is made of neodymium iron boron.

Preferably, one side of iron core is equipped with the mounting groove, and the one end of spring inlays in the mounting groove.

Preferably, the shell comprises a shell and end covers connected to two sides of the shell, wherein one end cover is fixedly connected with the speed reducer, and the other end cover is connected with the iron core.

Preferably, the pillars are arranged in a plurality in a circular array.

Preferably, the stator is connected to the battery through an electric wire.

The utility model has the beneficial effects that:

this fire control intelligence is planetary gear reduction DC brushless motor for house when losing the electricity, supplies power through reserve storage battery, makes the motor keep the operation for emergent, when storage battery's electric quantity also runs out completely, the coil cuts off the power supply completely promptly, and the iron core loses magnetic force to armature plate, and the spring pops out armature plate, makes armature plate slide along the pillar and push up to the friction disc, reaches the effect of friction braking, improves the degree of safety.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is an exploded view of the power-off brake.

In the figure: 1. a housing; 2. a stator; 3. a rotor; 4. a rotating shaft; 5. a speed reducer; 6. a power-off brake; 7. an iron core; 8. a coil; 9. a friction plate; 10. an armature plate; 11. a fixing plate; 12. a pillar; 13. a spring; 14. installing a sleeve; 15. a wire passing groove; 16. a wire passing hole; 17. a screw; 18. a hexagonal block; 19. an inner hexagonal hole; 20. mounting grooves; 21. a shell; 22. and (4) end covers.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a planetary speed reduction direct current brushless motor for a fire-fighting intelligent home comprises a shell 1, wherein a stator 2 is arranged on the inner side of the shell 1, a rotor 3 is arranged on the inner side of the stator 2, a rotating shaft 4 is fixedly connected to the inner side of the rotor 3, two ends of the rotating shaft 4 extend to the outer side of the rotor 3 and are connected with speed reducers 5, and a power-off brake 6 is arranged between one speed reducer 5 and the shell 1;

the power-off brake 6 comprises an iron core 7, a coil 8, a friction plate 9, an armature plate 10 and a fixing plate 11, wherein the coil 8 is arranged on the inner side of the iron core 7, one end of the iron core 7 is connected with the shell 1, the other end of the iron core 7 is connected with the fixing plate 11 through a support 12, the armature plate 10 is in sliding connection with the support 12, the fixing plate 11 is fixedly connected with the speed reducer 5, one side of the iron core 7, which is close to the fixing plate 11, is connected with a spring 13, the spring 13 is connected with the armature plate 10, and the friction plate 9 is arranged between the armature plate 10 and the fixing plate 11 and is fixedly connected with the rotating shaft 4.

In order to facilitate installation and improve structural stability, in this embodiment, preferably, the inner side of the iron core 7 is connected with an installation sleeve 14, and the coil 8 is sleeved on the outer side of the installation sleeve 14.

In order to facilitate the arrangement of the wires, in the present embodiment, preferably, a wire passing groove 15 is provided between the iron core 7 and the mounting sleeve 14, and the wire passing groove 15 is provided with a wire passing hole 16 in communication therewith.

In order to facilitate the installation and the disassembly and to facilitate the replacement of the friction plate 9, in the embodiment, preferably, the rotating shaft 4 is connected with a hexagonal block 18 through a screw 17, a hexagon socket 19 is arranged in the middle of the friction plate 9, and the friction plate 9 is embedded outside the hexagonal block 18 through the hexagon socket 19.

In order to improve the magnetic force, in this embodiment, the rotor 3 is preferably made of neodymium iron boron.

In order to facilitate the installation of the spring 13 and improve the structural stability, in the present embodiment, it is preferable that an installation groove 20 is formed at one side of the iron core 7, and one end of the spring 13 is embedded in the installation groove 20.

In order to improve the structural stability and the sealing degree, in the present embodiment, preferably, the housing 1 includes a shell 21 and end covers 22 connected to two sides of the shell 21, wherein one end cover 22 is fixedly connected to the speed reducer 5, and the other end cover 22 is connected to the iron core 7.

In order to improve the structural stability and the moving stability of the armature plate 10, in the present embodiment, it is preferable that the support columns 12 are arranged in a circular array in a plurality.

For emergency, in the present embodiment, preferably, the stator 2 is electrically connected to a storage battery.

The working principle and the using process of the utility model are as follows: when the electricity is lost, the motor is kept running through the standby electricity storage battery for emergency, when the electricity of the electricity storage battery is completely used up, namely the coil 8 is completely powered off, the iron core 7 loses magnetic force on the armature plate 10, the spring 13 pops out the armature plate 10, the armature plate 10 slides along the support column 12 and pushes against the friction plate 9, the friction braking effect is achieved, the safety degree is improved, and the fire-fighting roller shutter door can lift more stably through the speed reducers 5 on the two sides.

Finally, it should be noted that: 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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a fire control intelligence is planet speed reduction DC brushless motor for house, includes shell (1), the inboard of shell (1) is equipped with stator (2), the inboard of stator (2) is equipped with rotor (3), the inboard fixedly connected with pivot (4) of rotor (3), its characterized in that: two ends of the rotating shaft (4) extend to the outer side of the rotor (3) and are connected with speed reducers (5), and a power-off brake (6) is arranged between one speed reducer (5) and the shell (1);

lose electric brake (6) including iron core (7), coil (8), friction disc (9), armature plate (10) and fixed plate (11), coil (8) set up in the inboard of iron core (7), the one end and shell (1) of iron core (7) are connected, and the other end passes through pillar (12) to be connected with fixed plate (11), armature plate (10) and pillar (12) sliding connection, fixed plate (11) and reduction gear (5) fixed connection, one side that iron core (7) are close to fixed plate (11) is connected with spring (13), spring (13) are connected with armature plate (10), friction disc (9) set up between armature plate (10) and fixed plate (11), and its and pivot (4) fixed connection.

2. The fire-fighting intelligent household planetary deceleration direct-current brushless motor according to claim 1, characterized in that: the inner side of the iron core (7) is connected with an installation sleeve (14), and the coil (8) is sleeved on the outer side of the installation sleeve (14).

3. The fire-fighting intelligent household planetary deceleration direct-current brushless motor according to claim 2, characterized in that: a wire passing groove (15) is arranged between the iron core (7) and the mounting sleeve (14), and the wire passing groove (15) is communicated with a wire passing hole (16).

4. The fire-fighting intelligent household planetary deceleration direct-current brushless motor according to claim 1, characterized in that: the rotating shaft (4) is connected with a hexagonal block (18) through a screw (17), the middle of each friction plate (9) is provided with a hexagon socket (19), and each friction plate (9) is embedded in the outer side of the hexagonal block (18) through the hexagon socket (19).

5. The fire-fighting intelligent household planetary deceleration direct-current brushless motor according to claim 1, characterized in that: the rotor (3) is made of neodymium iron boron.

6. The fire-fighting intelligent household planetary deceleration direct-current brushless motor according to claim 1, characterized in that: one side of iron core (7) is equipped with mounting groove (20), the one end of spring (13) inlays in mounting groove (20).

7. The fire-fighting intelligent household planetary deceleration direct-current brushless motor according to claim 1, characterized in that: the shell (1) comprises a shell barrel (21) and end covers (22) connected to two sides of the shell barrel (21), wherein one end cover (22) is fixedly connected with the speed reducer (5), and the other end cover (22) is connected with the iron core (7).

8. The fire-fighting intelligent household planetary deceleration direct-current brushless motor according to claim 1, characterized in that: the supporting columns (12) are arranged in a plurality of annular arrays.

9. The fire-fighting intelligent household planetary deceleration direct-current brushless motor according to claim 1, characterized in that: the stator (2) is electrically connected with a storage battery.