CN111963591A

CN111963591A - Brake assembly for stalling of ceiling fan

Info

Publication number: CN111963591A
Application number: CN202010888063.0A
Authority: CN
Inventors: 陈洁
Original assignee: Guangzhou Mengke Trading Co Ltd
Current assignee: Guangzhou Mengke Trading Co Ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2020-11-20

Abstract

The invention relates to the technical field of household ornaments and discloses a brake assembly for stalling a ceiling fan, which comprises a fixed seat, wherein a movable groove is formed in the fixed seat, a brake mechanism is arranged in the movable groove, a lead is arranged in the fixed seat, a main shaft is fixedly connected in the fixed seat, a coil is fixedly connected to the outer side of the main shaft, a rotating shaft is movably connected in the fixed seat, the brake assembly for stalling the ceiling fan is used by matching the brake mechanism, the coil and a conductor, when the rotating speed of the rotating shaft exceeds a rated value, the friction force on the brake shaft is increased by a brake block, the automatic brake effect is realized, the rotating speed of the rotating shaft is reduced, the problem that the ordinary ceiling fan may stall due to different manufacturing processes, difference of motors and influence of voltage is effectively solved, and the use safety of the ceiling fan is greatly improved, the user can use the device more safely, and the potential safety hazard is avoided.

Description

Brake assembly for stalling of ceiling fan

Technical Field

The invention relates to the technical field of household ornaments, in particular to a brake assembly for stalling a ceiling fan.

Background

The ceiling fan is one of the most common household ornaments, and the beautiful ceiling fan not only can create a household atmosphere, but also can play a role in cooling in hot weather. With the development of the times and science and technology, the ceiling fan basically plays a decorative role, the function of the ceiling fan is neglected, the safety is rarely considered, the ceiling fan is possibly stalled due to different manufacturing processes, the difference of a motor and the influence of voltage, internal parts are damaged, and the life safety is threatened even if the ceiling fan falls due to stalling.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the brake component for stalling the ceiling fan, which has the advantage of stalling brake and solves the problem that the common ceiling fan may stall due to different manufacturing processes, difference of motors and influence of voltage.

(II) technical scheme

In order to achieve the aim of stall braking, the invention provides the following technical scheme: the utility model provides a brake assembly of ceiling fan stall, includes the fixing base, movable groove has been seted up to the inside of fixing base, the inside in movable groove is provided with arrestment mechanism, arrestment mechanism's bottom swing joint has the brake pads, the inside of fixing base is provided with the wire, the inside fixedly connected with main shaft of fixing base, the outside fixedly connected with coil of main shaft, the inside swing joint of fixing base has the pivot, the outside fixedly connected with brake shaft of pivot, the inside fixedly connected with conductor of pivot.

The brake mechanism comprises an encapsulation shell, wherein a conductive block is fixedly connected inside the encapsulation shell, a spring is fixedly connected inside the conductive block, and an electrorheological body is arranged inside the encapsulation shell.

Preferably, the center points of the fixed seat, the coil, the rotating shaft and the braking shaft are positioned on the same straight line.

Preferably, ten brake mechanisms and ten brake blocks are respectively arranged and are uniformly distributed and respectively correspond to each other; the ten brake mechanisms have the same specification, and the shape of the brake block is matched with the shape of the brake shaft.

Preferably, the coils are uniformly distributed in the main shaft, the inner parts of the coils are mainly formed by enameled wires, the cross sections of the enameled wires are the same in size and the same in type, the coils are inserted in the main shaft, and the center points of the coils and the circle center of the main shaft are the same; the coil is internally provided with a current passing through and a magnetic induction line, and the conductor is vertical to the magnetic induction line of the coil; the coil and the conductors are respectively electrically connected with the wires, and the number of the conductors is not less than four.

Preferably, the conductive blocks are made of conductive materials, the wires are installed inside the fixing seat and electrically connected with the conductive blocks, and two adjacent conductive blocks are connected in series through the wires.

Preferably, the main materials of the electrorheological fluid are gypsum, lime, carbon powder and olive oil, and the electrorheological fluid is solid in a power-on state and liquid in a non-power-on state.

(III) advantageous effects

Compared with the prior art, the invention provides a brake component for stalling a ceiling fan, which has the following beneficial effects:

this brake assembly of ceiling fan stall, use through the cooperation of arrestment mechanism and coil, conductor, when the rotational speed of pivot exceeded the rated value, the brake pads can increase the frictional force to the brake axle, realize automatic braking's effect, reduce the rotational speed of pivot, effectual solution because the preparation technology is different, the difference of motor and the influence of voltage, the problem of stall can be taken place to ordinary ceiling fan, the security of ceiling fan use has been improved greatly, let the user use more relieved, the potential safety hazard has been avoided.

Drawings

FIG. 1 is a schematic view showing the connection of the structures of the present invention;

FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 3 is a first schematic diagram of the movement trace of the braking mechanism according to the present invention;

fig. 4 is a schematic diagram of a motion track of the braking mechanism of the invention.

In the figure: 1. a fixed seat; 2. a movable groove; 3. a brake mechanism; 4. a brake pad; 5. a wire; 6. a main shaft; 7. a coil; 8. a rotating shaft; 9. a conductor; 10. a brake shaft; 31. a package housing; 32. a spring; 33. an electrorheological fluid; 34. and a conductive block.

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. 1-4, a ceiling fan stalling brake assembly comprises a fixed seat 1, a movable groove 2 is formed in the fixed seat 1, a brake mechanism 3 is arranged in the movable groove 2, ten brake mechanisms 3 and ten brake pads 4 are respectively arranged and uniformly distributed and respectively correspond to each other, each brake mechanism 3 corresponds to each brake pad 4, the bottom of each brake mechanism 3 is movably connected with each brake pad 4, the specifications of the ten brake mechanisms 3 are the same, the shapes of the brake pads 4 are matched with the shapes of a brake shaft 10, and the positions and angles of the ten brake pads 4 are the same in an initial state;

the inner part of the fixed seat 1 is provided with a lead 5, the inner part of the fixed seat 1 is fixedly connected with a main shaft 6, the outer side of the main shaft 6 is fixedly connected with a coil 7, the coil 7 and the conductor 9 are respectively electrically connected with the lead 5, the number of the conductors 9 is not less than four, the coil 7 is uniformly distributed in the main shaft 6, the inner part of the coil is mainly composed of enameled wires, the cross section of each enameled wire is the same in size and the same in type, the coil 7 is inserted in the main shaft 6, the center point of the coil 7 is the same as the circle center of the main shaft 6, current passes through the coil 7 and has magnetic induction lines, the conductor 9 and the magnetic induction lines of the coil 7 are in a vertical state, the stable induced current generated when the magnetic induction lines of the coil 7 are cut is ensured, the rotating shaft 8 is movably connected in the inner part of the fixed, The central points of the coil 7, the rotating shaft 8 and the brake shaft 10 are positioned on a straight line.

The brake mechanism 3 comprises a packaging shell 31, conductive blocks 34 are fixedly connected inside the packaging shell 31, the conductive blocks 34 are made of conductive materials, wires 5 are installed inside the fixing seat 1 and are electrically connected with the conductive blocks 34, two adjacent conductive blocks 34 are connected in series through the wires 5, springs 32 are fixedly connected inside the conductive blocks 34, an electrorheological body 33 is arranged inside the packaging shell 31, the main materials of the electrorheological body 33 are gypsum, lime, carbon powder and olive oil, and the electrorheological body 33 is solid in an electrified state and liquid in a non-electrified state.

When the ceiling fan works, the rotating shaft 8 starts to move clockwise, the braking shaft 10 fixedly connected with the rotating shaft 8 also moves clockwise, the conductor 9 is fixedly arranged in the braking shaft 10, so the conductor 9 synchronously moves in the same direction, the rotating speed of the rotating shaft 8 is normal at the moment, and in a rated rotating speed range, the induced current generated by the conductor 9 cutting the magnetic induction line of the coil 7 is not enough to change the form of the current variant 33, namely the current variant 33 is in a liquid state, and the spring 32 is fixedly connected in the encapsulation shell 31, so the current variant 33 does not limit the movement of the brake block 4 at the moment, and the rotating shaft 8 can normally rotate;

when the ceiling fan stalls, the rotating shaft 8 and the braking shaft 10 fixedly connected with the rotating shaft stall at the same time, the rotating speed of the rotating shaft 8 and the braking shaft 10 increases, and similarly, the rotating speed of the conductor 9 also increases, at this time, the speed and the frequency of the conductor 9 cutting the magnetic induction line of the coil 7 increase, so the corresponding generated induction current amount increases, when the intensity of the induction current reaches the form change intensity of the current variant 33, because the coil 7 and the conductor 9 are respectively and electrically connected with the conducting wire 5, the conducting wire 5 is positioned in the fixing base 1 and electrically connected with the conducting blocks 34, and the adjacent two conducting blocks 34 are connected in series through the conducting wire 5, at this time, the current variant 33 changes from a liquid state to a solid state, the action of the spring 32 disappears, the brake block 4 is firmly clamped on the braking shaft 10, so that the rotating speed of the braking shaft 10 decreases, at the same time, the speeds of the rotating shaft, the electro-rheological fluid 33 returns to fluid again, losing its confinement to the stop block 4, at which time the ceiling fan resumes rotation.

In conclusion, the brake assembly for stalling the ceiling fan is used by matching the brake mechanism 3 with the coil 7 and the conductor 9, when the rotating speed of the rotating shaft 8 exceeds a rated value, the friction force on the brake shaft 10 is increased by the brake block 4, the automatic braking effect is realized, the rotating speed of the rotating shaft 8 is reduced, the problem that the ordinary ceiling fan may stall due to different manufacturing processes, motor difference and voltage influence is effectively solved, the use safety of the ceiling fan is greatly improved, a user can feel more relieved, and potential safety hazards are avoided.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a brake assembly of ceiling fan stall, includes fixing base (1), its characterized in that: activity groove (2) have been seted up to the inside of fixing base (1), the inside in activity groove (2) is provided with arrestment mechanism (3), the bottom swing joint of arrestment mechanism (3) has brake pads (4), the inside of fixing base (1) is provided with wire (5), the inside fixedly connected with main shaft (6) of fixing base (1), the outside fixedly connected with coil (7) of main shaft (6), the inside swing joint of fixing base (1) has pivot (8), the outside fixedly connected with brake axle (10) of pivot (8), the inside fixedly connected with conductor (9) of pivot (8).

The brake mechanism (3) comprises an encapsulation shell (31), wherein a conductive block (34) is fixedly connected to the interior of the encapsulation shell (31), a spring (32) is fixedly connected to the interior of the conductive block (34), and an electrorheological body (33) is arranged inside the encapsulation shell (31).

2. The ceiling fan stalled brake assembly of claim 1, wherein: the central points of the fixed seat (1), the coil (7), the rotating shaft (8) and the brake shaft (10) are positioned on the same straight line.

3. The ceiling fan stalled brake assembly of claim 1, wherein: ten brake mechanisms (3) and ten brake blocks (4) are respectively arranged and are uniformly distributed and respectively corresponding to each other; the specifications of the ten brake mechanisms (3) are the same, and the shape of the brake block (4) is matched with the shape of the brake shaft (10).

4. The ceiling fan stalled brake assembly of claim 1, wherein: the coils (7) are uniformly distributed in the main shaft (6), the inner parts of the coils are mainly formed by enameled wires, the section sizes of the enameled wires are the same, the types of the enameled wires are the same, the coils (7) are inserted in the main shaft (6), and the center points of the coils (7) and the circle center of the main shaft (6) are the same; the coil (7) is internally provided with current passing and magnetic induction lines, and the conductor (9) is vertical to the magnetic induction lines of the coil (7); the coil (7) and the conductor (9) are respectively electrically connected with the lead (5), and the number of the conductors (9) is not less than four.

5. The ceiling fan stalled brake assembly of claim 1, wherein: the material of conducting block (34) is conducting material, wire (5) are installed in the inside of fixing base (1), and are connected with conducting block (34) electricity, establish ties through wire (5) between two adjacent conducting block (34).

6. The ceiling fan stalled brake assembly of claim 1, wherein: the main materials of the electrorheological fluid (33) are gypsum, lime, carbon powder and olive oil, and the electrorheological fluid (33) is in a solid state in a power-on state and in a liquid state in a non-power-on state.