Unilateral shaft motor with electromagnetic brake

Abstract

The utility model discloses a unilateral shaft electromagnetic brake motor, which comprises a shell, an outer end cover, a shaft, a fixed flange, a movable flange, a brake pad, a handle, an upper pressure plate, an electromagnet valve body, a reset spring, a second screw rod and a steel ball, a driving inner end cover is fixedly arranged in the shell, and the shell and the driving inner end cover are both rotatably arranged on the shaft. The outer end cover is fixedly installed at the outer end of the shell, and the electromagnet valve body is rotationally installed in the outer end cover through a ball bearing. The outer rotor unilateral shaft motor with the electromagnetic brake normally runs in a power-on state, and when parking is needed, the electromagnetic brake can effectively brake the motor to achieve the anti-slip effect. Under the condition that the voltage is too low or no power exists, a manual release rod on the brake can be used for releasing the braking state, and pushing is convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of wheel hub motor, especially single side axle takes electromagnetic brake motor. BACKGROUND

[0002] Wheel hub motor is a kind of drive system that integrates electric motor directly in wheel hub, and is widely used in electric vehicles, electric bicycles, electric motorcycles and other vehicles. It integrates motor, reducer, controller and other components inside the wheel hub, simplifies the traditional vehicle transmission system, and has the advantages of compact structure, high efficiency and fast response. The current electric vehicles, electric bicycles, electric motorcycles and other vehicles realize vehicle deceleration and stop through traditional mechanical brake mechanism, but the traditional mechanical brake mechanism does not have the function of automatic stop and anti-slip when parking. SUMMARY

[0003] The technical problem to be solved by the utility model is to provide a single side axle with electromagnetic brake motor, which can effectively stop the motor when parking, and play the role of anti-slip.

[0004] In order to solve the above technical problem, the utility model is realized by the following technical scheme: a single side axle with electromagnetic brake motor, including shell, outer end cover, shaft, fixed flange, movable flange, brake pad, handle, upper pressure disc, electromagnet valve body, reset spring, second screw rod and steel ball, the driving inner end cover is fixedly installed in the shell, the shell and the driving inner end cover are rotatably installed on the shaft, the outer end cover is fixedly installed on the outer end of the shell, the electromagnet valve body is rotatably installed in the outer end cover through the ball bearing, the fixed flange, the movable flange, the brake pad and the handle are gap sleeve installed on the shaft, the upper pressure disc and the electromagnet valve body are fixed sleeve installed on the shaft, the fixed flange is fixedly installed on the electromagnet valve body through the first bolt, the brake pad is located between the fixed flange and the movable flange, the brake pad has a sleeve pipe at the front end, the inner hole of the sleeve pipe is a non-circular hole structure, the right end of the driving inner end cover is provided with a convex shaft matched with the inner hole structure, the convex shaft is slidably embedded in the inner hole, the sleeve pipe is gap rotatably through the first through hole in the center of the fixed flange, the left end face of the electromagnet valve body is provided with a spring groove, the reset spring is installed in the spring groove, the reset spring acts on the movable flange at the outer end, the right end face of the electromagnet valve body is provided with a high-low groove, the left end face of the handle is provided with a semispherical notch corresponding to the high-low groove, the steel ball is embedded in the high-low groove and the semispherical notch, the second screw rod is slidably through the movable flange, the electromagnet valve body and the handle, and is fixedly screwed, the end of the second screw rod is pressed on the movable flange, and the upper pressure disc limits the limit position of the handle moving to the right.

[0005] As a preferred, the longitudinal section of the inner hole is a regular hexagonal structure.

[0006] As preferred, a manual release rod is fixedly installed on the handle.

[0007] As preferred, the movable flange is slidingly sleeved on the first bolt.

[0008] As preferred, the high-low grooves and the semispherical notches are arranged in three groups in a ring shape around the central axis of the shaft.

[0009] Compared with the prior art, the utility model has the advantages that the outer rotor single-side shaft motor with the electromagnetic brake can normally run under the electrified state, and when parking is needed, the electromagnetic brake can effectively stop the motor, thereby preventing the vehicle from sliding. BRIEF DESCRIPTION OF DRAWINGS

[0010] The utility model will be further described below in combination with the drawings.

[0011] Figure 1 It is the front view of the utility model.

[0012] Figure 2 It is the A-A section view of Figure 1

[0013] Figure 3 It is the perspective view of the electromagnetic brake.

[0014] Figure 4 It is the front view of the electromagnetic brake.

[0015] Figure 5 It is the right view of the electromagnetic brake.

[0016] Figure 6 It is the front perspective view of the electromagnet valve body.

[0017] Figure 7 It is the back perspective view of the electromagnet valve body.

[0018] Figure 8 It is the assembly structure diagram of the brake pad and the driving inner end cover. DETAILED DESCRIPTION

[0019] The utility model will be further described below in combination with the drawings.

[0020] For example, Figures 1 to 8 ​The single-side shaft electromagnetic brake motor shown in the application comprises a shell 1, an outer end cover 2, a shaft 3, a fixed flange 4, a movable flange 5, a brake pad 6, a handle 7, an upper pressing disc 8, an electromagnet valve body 9, a reset spring, a second screw rod 101 and a steel ball 10, the driving inner end cover 12 is fixedly installed in the shell 1, the shell 1 and the driving inner end cover 12 are rotatably installed on the shaft 3, the outer end cover 2 is fixedly installed on the outer end of the shell 1, the electromagnet valve body 9 is rotatably installed in the outer end cover 2 through a ball bearing, the fixed flange 4, the movable flange 5, the brake pad 6 and the handle 7 are gap-suitably installed on the shaft 3, the upper pressing disc 8 and the electromagnet valve body 9 are fixedly and suitably installed on the shaft 3, the fixed flange 4 is fixedly installed on the electromagnet valve body 9 through a first bolt 41, the brake pad 6 is located between the fixed flange 4 and the movable flange 5, the brake pad 6 is provided with a sleeve 61 at the front end, the inner hole 122 of the sleeve 61 is a non-circular hole structure, the right end of the driving inner end cover 12 is provided with a convex shaft 121 matched with the structure of the inner hole 122, the convex shaft 121 is slidably embedded in the inner hole 122, the sleeve 61 is gap-rotatably arranged through the first through hole at the center of the fixed flange 4, the left end surface of the electromagnet valve body 9 is provided with a spring groove 93, the reset spring is installed in the spring groove 93, the outer end of the reset spring acts on the movable flange 5, the right end surface of the electromagnet valve body 9 is provided with a high-low groove 91, the left end surface of the handle 7 is provided with a semispherical notch corresponding to the high-low groove 91, the steel ball 10 is embedded in the high-low groove 91 and the semispherical notch, the second screw rod 101 is slidably arranged through the movable flange 5, the electromagnet valve body 9 and the handle 7 and is fixedly screwed, the end of the second screw rod 101 is pressed against the movable flange 5, and the upper pressing disc 8 limits the limit position of the handle 7 moving to the right. The fixed flange 4, the movable flange 5, the brake pad 6, the handle 7, the upper pressing disc 8, the electromagnet valve body 9, the reset spring, the second screw rod 101 and the steel ball 10 form an electromagnetic brake.

[0021] The longitudinal section of the inner hole 122 is a regular hexagonal structure, which is convenient for forming the inner hole 122 and can prevent rotation.

[0022] In order to facilitate easy rotation operation of the handle 7, a manual release rod 71 is fixedly installed on the handle 7.

[0023] The movable flange 5 is also slidably and suitably installed on the first bolt 41, and the first bolt 41 of the movable flange 5 is provided with a smooth section structure without external threads to avoid wear and tear.

[0024] The high-low groove 91 and the semispherical notch are arranged in three groups in a ring array around the central axis of the shaft 3 to improve the stability of the handle 7 when rotating.

[0025] In the vehicle driving state, the rotor 11 in the driving inner end cover 12 drives the driving inner end cover 12 and the shell 1 to rotate synchronously, the electromagnet valve body 9 is powered, the electromagnet valve body 9 attracts the iron movable flange 5 to move rightwards, the movable flange 5 releases the compression force on the brake pad 6, the brake pad 6 is reset rightwards, at this time, the brake pad 6 is not in contact with the fixed flange 4 and the movable flange 5, at this time, the driving inner end cover 12 and the shell 1 rotate under the action of the rotor 11. When the vehicle is parked, the electromagnet valve body 9 is powered off, loses the attraction force on the movable flange 5, and pushes the movable flange 5 to move leftwards under the action of the elastic force of the reset spring, the movable flange 5 cooperates with the fixed flange 4 to clamp and fix the brake pad 6, limits the rotation of the brake pad 6, the driving inner end cover 12 and the shell 1, realizes the automatic brake when parking. In the low voltage or no voltage state of the vehicle, the electromagnet valve body 9 cannot be powered and started, the user needs to push the vehicle, the rotating handle 7 is pulled, the steel ball 10 is moved from the deep position of the high-low groove 91 to the shallow position, in the process, the steel ball 10 pushes the handle 7 and the second screw 101 to move rightwards, the second screw 101 pulls the movable flange 5 to move rightwards, the movable flange 5 releases the compression force on the brake pad 6, the brake pad 6 is reset rightwards, releases the parking brake state, and is convenient for pushing.

Claims

1. A single-sided shaft electromagnetic brake motor, characterized by: The utility model relates to a brake handle, including shell (1), outer end cover (2), shaft (3), fixed flange (4), movable flange (5), brake pad (6), handle (7), upper pressure disc (8), electromagnet valve body (9), reset spring, second screw rod (101) and steel ball (10), drive inner end cover (12) is fixedly installed in shell (1), shell (1), drive inner end cover (12) are rotationally installed on shaft (3), outer end cover (2) is fixedly installed on the outer end of shell (1), electromagnet valve body (9) is rotationally installed in outer end cover (2) through ball bearing, fixed flange (4), movable flange (5), brake pad (6), handle (7) are all gap sleeve installation on shaft (3), upper pressure disc (8), electromagnet valve body (9) are all fixed sleeve installation on shaft (3), fixed flange (4) is fixedly installed on electromagnet valve body (9) through first bolt (41), brake pad (6) is located between fixed flange (4), movable flange (5), brake pad (6) front end has sleeve pipe (61), the inner hole (122) of sleeve pipe (61) is non-circular hole structure, the right end of drive inner end cover (12) is provided with the convex axle (121) of cooperation with the structure of inner hole (122), the convex axle (121) is slidably embedded in the inner hole (122), sleeve pipe (61) gap rotation passes through the first through -hole of fixed flange (4) center, the left end surface of electromagnet valve body (9) is provided with spring groove (93), reset spring is installed in spring groove (93), reset spring outer end acts on movable flange (5), the right end surface of electromagnet valve body (9) is provided with high and low groove (91), the left end surface of handle (7) is provided with the semisphere notch of corresponding with high and low groove (91), steel ball (10) is embedded in high and low groove (91), semisphere notch, second screw rod (101) is slidably threaded with handle (7) and is fixed with movable flange (5), electromagnet valve body (9) and is fixed, the end of second screw rod (101) is pressed and touches movable flange (5), upper pressure disc (8) limits the limit position of handle (7) to right -hand side movement.

2. The single-sided shaft electromagnetic brake motor of claim 1, wherein: The longitudinal section of the inner hole (122) is a regular hexagon structure.

3. The single-sided shaft electromagnetic brake motor of claim 1, wherein: The handle (7) is further provided with a manual release lever (71).

4. The single-sided shaft with electromagnetic brake motor according to claim 1, characterized in that: The movable flange (5) is further slidably sleeved on the first bolt (41).

5. The single-sided shaft with electromagnetic brake motor according to claim 1, characterized in that: The high and low groove (91) and the semisphere notch are arranged in three groups in a ring array around the central axis of the shaft (3).

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