Baby carriage motor brake device

Abstract

The utility model relates to the field of buggy motor braking, and discloses a buggy motor braking device which comprises a mounting plate, a motor output shaft is rotatably inserted on the mounting plate, a rotating ring is fixedly sleeved at one end, penetrating through the mounting plate, of the motor output shaft, two limiting openings are formed in one side of the rotating ring, and the rotating ring is fixedly sleeved with the motor output shaft. Two sliding plates are slidably arranged on one side of the mounting plate, a plurality of sliding rods are fixed to one side of the mounting plate, the sliding rods and the sliding plates are slidably inserted, springs are wound on the surfaces of the sliding rods, limiting columns are fixed to one sides of the sliding plates, and the limiting columns and the limiting openings are slidably arranged. And two extrusion plates are arranged on one side of the mounting plate in a sliding manner, and the extrusion plates are arranged behind the sliding plate. And when the limiting column is inserted into the limiting opening, the rotating ring stops rotating, and due to the fact that the limiting column is inserted into the limiting opening, the difficulty that the rotating ring rotates by one circle can be increased, and then the firmness when the motor output shaft stops rotating after braking is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of stroller motor brake, specifically is a stroller motor brake device. BACKGROUND

[0002] Stroller brake is one of the core components of stroller safety. Its principle is to control through brake handle, when the handle is pressed, will make brake pad closely adhere to the wheel or hub through linkage device, utilize friction to hinder the rotation of the wheel, so that the stroller slows down until stop. Commonly have mechanical brake and electronic brake, mechanical brake simple structure, low cost and reliable;Electronic brake is more intelligent, can accurately control braking force.

[0003] According to the announcement number for CN204846018U's Chinese patent, a kind of new stroller brake device, including motor fixed shell, brake disc, electromagnetic coil set and electromagnetic coil set shell, the motor fixed shell is installed on stroller motor, the rotating shaft outer end of the stroller motor passes through the motor fixed shell and is fixedly connected with the brake disc, the electromagnetic coil set with electromagnetic coil in it is fixedly installed on the electromagnetic coil set shell, the electromagnetic coil set shell is connected with the motor fixed shell by screw rod, the brake disc is adjacent to the electromagnetic coil set arrangement;The new stroller brake device further includes spring, the spring is installed between the electromagnetic coil set shell and the motor fixed shell and is used to make the electromagnetic coil set away from the brake disc.

[0004] In the above scheme, the friction of brake disc and stroller motor is used to realize brake, so that the following shortcomings still exist: when brake disc is used to rub stroller, brake failure may occur due to insufficient friction, which reduces the firmness of stroller after braking. Utility model content

[0005] The utility model aims at providing a kind of stroller motor brake device to solve the problem that brake failure may occur due to insufficient friction, which reduces the firmness of stroller after braking.

[0006] In order to realize the above-mentioned utility model purposes, the utility model adopts the following technical scheme: a baby carriage motor brake device, including the mounting plate, the motor output shaft is rotatably inserted on the mounting plate, the one end of the motor output shaft is fixedly sleeved with the rotating ring which passes through the mounting plate, two limit openings are formed in one side of the rotating ring, two sliding plates are slidably arranged on one side of the mounting plate, a plurality of sliding rods are fixed on one side of the mounting plate, the sliding rod is slidably inserted with the sliding plate, the surface of the sliding rod is wound with the spring, one end of the spring is fixed with one side of the mounting plate, the other end of the spring is fixed with one side of the sliding plate, a limiting column is fixed on one side of the sliding plate, the limiting column is slidably arranged with the limit opening, two extrusion plates are slidably arranged on one side of the mounting plate, and the extrusion plate is arranged behind the sliding plate.

[0007] Preferably, a rotating hole is formed in one side of the mounting plate, an installation groove is formed in the inner wall surface of the rotating hole, a bearing is fixed in the installation groove, and the inner wall surface of the inner ring of the bearing is fixedly sleeved with the surface of the motor output shaft.

[0008] Preferably, two positioning plates are fixed on one side of the mounting plate, a sliding groove is formed in one side of the extrusion plate close to the mounting plate, and the sliding groove is slidably arranged with the positioning plate.

[0009] Preferably, the sliding groove is slidably arranged with the limiting plate on both sides of the sliding groove, and the limiting groove is formed in both sides of the positioning plate.

[0010] Preferably, the top surface of the extrusion plate is fixed with a fixed plate, the fixed plate is fixed with a metal plate, and one side of the positioning plate is provided with an electromagnet.

[0011] Preferably, a power-on switch is arranged on one side of the mounting plate, a single-chip microcomputer is arranged on one side of the mounting plate, the power-on switch is electrically connected with the single-chip microcomputer, and the electromagnet is electrically connected with the single-chip microcomputer.

[0012] Compared with the prior art, the baby carriage motor brake device adopting the above technical scheme has the following advantages

[0013] Beneficial effects:

[0014] When the limiting column is inserted into the inside of the limit opening, the rotating ring stops rotating, because the limiting column is inserted into the inside of the limit opening, the difficulty of rotating the rotating ring one round is increased, and the firmness when the motor output shaft stops rotating after braking is increased.

[0015] When the extrusion plate slides downward, the limiting plate slides downward in the limiting groove, the sliding of the limiting plate and the limiting groove prevents the extrusion plate from falling off the positioning plate, before the extrusion plate slides downward, the staff presses the power-on switch, the single-chip microcomputer makes the electromagnet de-energized and demagnetized, and the metal plate is separated from the electromagnet, thereby increasing the convenience of the user during operation. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a perspective view of the embodiment.

[0017] Figure 2 It is a split view of the embodiment.

[0018] Figure 3 It is a split view of the rotating ring and the extrusion plate of the embodiment.

[0019] Figure 4 It is a perspective view of the embodiment. Figure 3 It is an enlarged view of the local structure at A in the embodiment.

[0020] Figure 5 It is a system block diagram of the embodiment.

[0021] In the figure: 1, mounting plate; 2, motor output shaft; 3, rotating ring; 4, limiting port; 5, sliding plate; 6, sliding rod; 7, spring; 8, limiting column; 9, extrusion plate; 10, rotating hole; 11, mounting groove; 12, bearing; 13, sliding groove; 14, positioning plate; 15, limiting plate; 16, limiting groove; 17, fixed plate; 18, metal plate; 19, electromagnet; 20, power-on switch. DETAILED DESCRIPTION

[0022] The preferred embodiment of the utility model is described in detail below with reference to the accompanying drawings.

[0023] For example, Figures 1-3As shown in the figure, a kind of baby carriage motor brake device, including mounting plate 1, rotating insertion is provided with motor output shaft 2 on mounting plate 1, motor output shaft 2 is fixedly sleeved with rotating ring 3 at one end through mounting plate 1, two limit openings 4 are formed in one side of rotating ring 3, two sliding plates 5 are slidably arranged on one side of mounting plate 1, a plurality of sliding rods 6 are fixed on one side of mounting plate 1, sliding rod 6 is slidably inserted with sliding plate 5, spring 7 is wound on the surface of sliding rod 6, one end of spring 7 is fixed with one side of mounting plate 1, the other end of spring 7 is fixed with one side of sliding plate 5, limit post 8 is fixed on one side of sliding plate 5, limit post 8 is slidably arranged with limit opening 4, two extrusion plates 9 are slidably arranged on one side of mounting plate 1, extrusion plate 9 is arranged behind sliding plate 5, rotating hole 10 is formed in one side of mounting plate 1, mounting groove 11 is formed in the inner wall surface of rotating hole 10, bearing 12 is fixed in mounting groove 11, the inner wall surface of inner ring of bearing 12 is fixedly sleeved with the surface of motor output shaft 2.

[0024] In use, when the baby carriage brake, extrusion plate 9 will slide down, that is, sliding plate 5 is pushed to move towards the direction of rotating ring 3, and in the process, spring 7 is stretched, when sliding plate 5 moves towards rotating ring 3, limit post 8 is inserted into the inside of limit opening 4, that is, rotating ring 3 is locked, so that motor output shaft 2 stops rotating;

[0025] When limit post 8 is inserted into the inside of limit opening 4, rotating ring 3 stops rotating, because limit post 8 is inserted into the inside of limit opening 4, the difficulty of rotating ring 3 rotating one round is increased, so that the firmness of motor output shaft 2 stopping rotating after braking is increased.

[0026] As shown in the figure, Figures 2-5 One side of mounting plate 1 is fixed with two positioning plates 14, sliding groove 13 is formed in one side of extrusion plate 9 close to mounting plate 1, sliding groove 13 is slidably arranged with positioning plate 14, limit plate 15 is fixed in the inside of sliding groove 13 on both sides respectively, limit slot 16 is formed in both sides of positioning plate 14 respectively, limit plate 15 is slidably arranged with limit slot 16, fixed plate 17 is fixed on the top surface of extrusion plate 9, metal plate 18 is fixed on fixed plate 17, electromagnet 19 is arranged on one side of positioning plate 14, power switch 20 is arranged on one side of mounting plate 1, single-chip microcomputer is arranged on one side of mounting plate 1, the model of single-chip microcomputer is STM32, power switch 20 is electrically connected with single-chip microcomputer, electromagnet 19 is electrically connected with single-chip microcomputer.

[0027] In use, when the extrusion plate 9 slides downward, the limiting plate 15 slides downward in the limiting groove 16 synchronously, the sliding arrangement of the limiting plate 15 and the limiting groove 16 prevents the extrusion plate 9 from falling off the positioning plate 14, before the extrusion plate 9 slides downward, the staff presses the power-on switch 20 first, the single-chip microcomputer makes the electromagnet 19 power off and demagnetize, the metal plate 18 is separated from the electromagnet 19, and the convenience of the user in operation is increased.

[0028] The above merely describes a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, and all of them should be covered within the protection scope of the present application.

Claims

1. A child's vehicle motor brake device comprising a mounting plate (1), characterized in that, The motor output shaft (2) is rotatably inserted on the mounting plate (1), one end of the motor output shaft (2) is fixedly sleeved with a rotating ring (3), two limiting openings (4) are formed on one side of the rotating ring (3), two sliding plates (5) are slidably arranged on one side of the mounting plate (1), a plurality of sliding rods (6) are fixed on one side of the mounting plate (1), the sliding rods (6) are slidably inserted with the sliding plates (5), springs (7) are wound on the surfaces of the sliding rods (6), one end of the spring (7) is fixed on one side of the mounting plate (1), the other end of the spring (7) is fixed on one side of the sliding plate (5), a limiting column (8) is fixed on one side of the sliding plate (5), the limiting column (8) is slidably arranged with the limiting opening (4), two extrusion plates (9) are slidably arranged on one side of the mounting plate (1), the extrusion plates (9) are arranged behind the sliding plates (5).

2. A child's vehicle motor brake device according to claim 1, wherein: A rotating hole (10) is formed on one side of the mounting plate (1), an installation groove (11) is formed on the inner wall surface of the rotating hole (10), a bearing (12) is fixed in the installation groove (11), and the inner wall surface of the inner ring of the bearing (12) is fixedly sleeved with the surface of the motor output shaft (2).

3. A child's vehicle motor brake apparatus according to claim 1, wherein: Two positioning plates (14) are fixed on one side of the mounting plate (1), a sliding groove (13) is formed on one side of the extrusion plate (9) close to the mounting plate (1), and the sliding groove (13) is slidably arranged with the positioning plate (14).

4. A child's vehicle motor brake apparatus according to claim 3, wherein: Limiting plates (15) are fixed on both sides of the sliding groove (13), limiting grooves (16) are formed on both sides of the positioning plate (14), and the limiting plates (15) are slidably arranged with the limiting grooves (16).

5. A child's vehicle motor brake apparatus according to claim 3, wherein: A fixed plate (17) is fixed on the top surface of the extrusion plate (9), a metal plate (18) is fixed on the fixed plate (17), and an electromagnet (19) is arranged on one side of the positioning plate (14).

6. A child's vehicle motor brake apparatus according to claim 5 wherein: A power-on switch (20) is arranged on one side of the mounting plate (1), a single-chip microcomputer is arranged on one side of the mounting plate (1), the power-on switch (20) is electrically connected with the single-chip microcomputer, and the electromagnet (19) is electrically connected with the single-chip microcomputer.

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