CN219432320U - Automotive electromagnetic brake capable of releasing wire drawing - Google Patents

Abstract

The utility model discloses a wire drawing release electromagnetic brake for a vehicle, which comprises a magnetic yoke, wherein a release plate is arranged at the bottom of the magnetic yoke, a first bolt is connected between the magnetic yoke and the release plate, a pre-tightening unit is arranged on the release plate, a sliding component is arranged on the magnetic yoke, a plurality of rebound units are connected between the pre-tightening unit and an armature, a wire drawing machine is arranged on the release plate, and a brake disc is arranged at the top of the armature. The utility model is convenient and quick to use, and can realize that when the wire drawing machine is arranged and pulled again, the release plate drives the magnetic yoke to move through the first bolt, the armature is pushed to move when the magnetic yoke moves, and finally the armature is used for driving the brake disc when the magnetic yoke moves, and the wire drawing machine is positioned in a vehicle, and the wire drawing machine is positioned in the vehicle, so that the wire drawing machine can work by a single person without manually climbing into the bottom of the vehicle, and the implementation is convenient.

Description

Automotive electromagnetic brake capable of releasing wire drawing

Technical Field

The utility model relates to the technical field of electromagnetic braking, in particular to a wire drawing released electromagnetic brake for a vehicle.

Background

The electromagnetic brake for the electric vehicle is generally arranged at the rear end of the driving motor of the electric vehicle to play a role in parking. When the vehicle starts, the electromagnetic brake is electrified, the electromagnetic brake is in a release state, the driving motor can rotate to drive the vehicle to work, and when the vehicle stops, the electromagnetic brake is in a braking state in order to prevent the vehicle pulley from being powered off, and the vehicle cannot move.

The electromagnetic brake for the common vehicle is designed with a manual release device, when the vehicle is required to be maintained or dragged, maintenance personnel is required to climb under the vehicle, the electromagnetic brake is manually adjusted to be in a manual release state, the electromagnetic brake is inconvenient to use in practice, the vehicle can enter the bottom of the vehicle only when the vehicle with a lower part of chassis is lifted by other equipment, and the vehicle is operated at the bottom of the vehicle, so that the electromagnetic brake is matched by multiple persons under the condition that the vehicle runs on a highway, and the operator is prevented from being injured when climbing out of the bottom of the vehicle.

Disclosure of Invention

The utility model mainly aims to provide the automotive electromagnetic brake released by wire drawing, which can effectively solve the problem that the electromagnetic brake is inconvenient to operate in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the automotive electromagnetic brake released by wire drawing comprises a magnetic yoke, wherein a release plate is arranged at the bottom of the magnetic yoke, a first bolt is connected between the magnetic yoke and the release plate, and a pre-tightening unit is arranged on the release plate;

the magnetic yoke is provided with a sliding component, the sliding component is provided with an armature, a plurality of rebound units are connected between the pre-tightening unit and the armature, the release plate is provided with a wire drawing machine, and the top of the armature is provided with a brake disc.

Preferably, the middle part of the brake disc is sleeved with a gear sleeve, and the top of the gear sleeve is provided with a friction disc;

the inside of yoke is provided with the skeleton, the inside of skeleton is provided with the coil, friction disc joint has first screw, first screw is provided with three.

Preferably, the sliding assembly comprises a second screw and a hollow bolt, the second screw is clamped inside the magnetic yoke, the hollow bolt is sleeved between the second screw and the armature, and an elastic gasket is sleeved outside the second screw.

Preferably, the pretensioning unit comprises a spring and a shim ring, the spring being connected to the shim ring, the shim ring being located on top of the armature.

Preferably, the release plate comprises a through hole, an avoidance groove and an avoidance hole, the wire drawing machine is sleeved in the through hole, the avoidance hole is formed in the middle of the release plate, and the avoidance groove is formed in two.

Preferably, a dust ring is sleeved between the magnetic yoke and the friction disc, a rubber plug is clamped in the middle of one side of the magnetic yoke, which is close to the release plate, and a rubber sealing gasket is clamped in the magnetic yoke.

Preferably, the second screw penetrates through the bottom of the magnetic yoke and the top of the friction disc, and the outer part of the elastic gasket is attached to the magnetic yoke.

Preferably, the first bolt and the pretensioning unit are provided in two and are symmetrical with respect to a central axis of the yoke.

Preferably, the first screw and the second screw are parallel, the first screw and the second screw are symmetrical about the axis of the magnetic yoke, the first screw and the second screw are provided with three, and the hollow bolts correspond to the elastic gaskets in number to the second screws.

Compared with the prior art, the utility model has the following beneficial effects: this automobile-used electromagnetic braking ware of wire drawing release, through setting up the wire drawing machine, when pulling the wire drawing machine again, the release board drives the yoke through first bolt and carries out the position movement, can promote armature also and remove when the yoke removes, and when the yoke removes, can stabilize the removal through first bolt and second screw, finally drive the brake disc through armature, and the wire drawing machine is located inside the vehicle, need not the manual work and climbs into the bottom of car, single can work, it is convenient to implement.

Drawings

Fig. 1 is a schematic diagram of the whole structure of an electromagnetic brake for a vehicle, which is released by wire drawing.

Fig. 2 is a front view of the present utility model.

Fig. 3 is a schematic perspective view of the pretensioning unit according to the present utility model.

Fig. 4 is a cross-sectional view of the present utility model.

Fig. 5 is a schematic perspective view of a release plate according to the present utility model.

Fig. 6 is a perspective view of a yoke according to the present utility model.

Fig. 7 is an enlarged schematic view of fig. 4 a in accordance with the present utility model.

In the figure: 1. a yoke; 2. a release plate; 201. a through hole; 202. an avoidance groove; 203. avoidance holes; 3. a first bolt; 4. a pre-tightening unit; 5. an armature; 6. a wire drawing machine; 7. a brake disc; 8. a gear sleeve; 9. a friction plate; 10. a dust ring; 11. a rubber plug; 12. a rubber gasket; 13. a skeleton; 14. a coil; 15. a first screw; 16. a second screw; 17. a hollow bolt; 18. a rebound unit; 19. an elastic gasket.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-7, an electromagnetic brake for a vehicle for wire drawing release comprises a magnetic yoke 1, wherein a release plate 2 is arranged at the bottom of the magnetic yoke 1, a first bolt 3 is connected between the magnetic yoke 1 and the release plate 2, a pre-tightening unit 4 is arranged on the release plate 2, a sliding component is arranged on the magnetic yoke 1, an armature 5 is arranged on the sliding component, a plurality of rebound units 18 are connected between the pre-tightening unit 4 and the armature 5, a wire drawing machine 6 is arranged on the release plate 2, and a brake disc 7 is arranged at the top of the armature 5. Wherein, come pulling release board 2 through wire drawing machine 6, thereby first bolt 3 is used for connecting yoke 1 and release board 2, thereby can promote armature 5 when yoke 1 moves, finally change the release state of brake disc 7, sliding component is used for installing armature 5, pretension unit 4 and rebound unit 18 can make yoke 1 reset, release board 2 is S-shaped structure in addition, release board 2 can be designed into the sheet metal construction that dashes the strengthening rib as shown, also can be designed into the structure that does not dash the strengthening rib, still can be designed into the structure that welds the strengthening plate, wire drawing machine 6 front end is fixed in the vehicle cab, rebound unit 18 is the spring.

Preferably, the middle part of brake disc 7 has cup jointed gear cover 8, and the top of gear cover 8 is provided with friction disc 9, and the inside of yoke 1 is provided with skeleton 13, and the inside of skeleton 13 is provided with coil 14, and friction disc 9 joint has first screw 15, and first screw 15 is provided with three. Wherein, the upper and lower laminating of brake disc 7 has the friction disc, and three round holes have been seted up to armature 5, and first screw 15 bottom is the same with round hole size, and gear sleeve 8, friction disc 9, skeleton 13 and coil 14 are the complete equipment of prior art constitution, and first screw 15 is used for installing with the vehicle, and it is inside the round hole that the bottom of first screw 15 can get into when armature 5 removes, installs two O type rings between brake disc 7 and the gear sleeve 8 in addition.

Preferably, the sliding assembly comprises a second screw 16 and a hollow bolt 17, wherein the second screw 16 is clamped inside the magnetic yoke 1, and the hollow bolt 17 is sleeved between the second screw 16 and the armature 5. Wherein the second screw 16 and the hollow bolt 17 are used for connecting a plurality of components.

Preferably, the pretensioning unit 4 comprises a spring and a washer ring, the spring being connected to the washer ring, the washer ring being located on top of the armature 5. Wherein a spacer is located between the first bolt 3 and the armature 5, a spring may be used for the rebound device and to provide a damping effect.

Preferably, the release plate 2 comprises a through hole 201, an avoidance groove 202 and an avoidance hole 203, the wire drawing machine 6 is sleeved in the through hole 201, the avoidance hole 203 is formed in the middle of the release plate 2, and the avoidance groove 202 is formed in two. Wherein, through hole 201, dodge groove 202 and dodge hole 203 can not influence the installation of electromagnetic brake.

Preferably, a dust ring 10 is sleeved between the magnetic yoke 1 and the friction disk 9, a rubber plug 11 is clamped at the middle part of one side of the magnetic yoke 1 close to the release plate 2, and a rubber sealing gasket 12 is clamped at the magnetic yoke 1. The dustproof ring 10, the rubber plug 11 and the rubber sealing gasket 12 are used for preventing rainwater and dust from entering, and meanwhile the dustproof ring plays a role in sealing, the rubber plug 11 and the rubber sealing gasket 12 are located on the same plane, and the first screw 15, the round hole and the rubber sealing gasket 12 are coaxial.

Preferably, the second screw 16 penetrates through the bottom of the yoke 1 and the top of the friction disk 9, and the outer part of the elastic washer 19 is attached to the yoke 1. Wherein the second screw 16 penetrates the whole device, the movement of the yoke 1 can be stabilized by the second screw 16, and the elastic pad 19 can prevent friction.

Preferably, the first bolt 3 and the pretensioning unit 4 are provided in two and symmetrical with respect to the central axis of the yoke 1.

Preferably, the first screw 15 is parallel to the second screw 16, the first screw 15 and the second screw 16 are symmetrical about the axis of the yoke 1, the first screw 15 and the second screw 16 are provided with three, and the hollow bolts 17 correspond to the number of the elastic gaskets 19 and the second screws 16. Wherein a plurality of first screws 15 and second screws 16 ensure stable component mounting.

When the electromagnetic brake is used, the wire drawing machine 6 can be operated in the cab to enable the wire drawing machine 6 to move forwards, so that the release plate 2 can be driven to rotate forwards, the first bolt 3 connected with the release plate 2 drives the magnetic yoke 1 to move towards the armature 5 to enable the brake disc 7 to be in a release state, and therefore, the driving motor can rotate freely, the use and the installation of equipment are not affected, and meanwhile, the operation is convenient enough.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (9)

1. The automobile electromagnetic brake capable of releasing wire drawing comprises a magnetic yoke (1), wherein a release plate (2) is arranged at the bottom of the magnetic yoke (1), a first bolt (3) is connected between the magnetic yoke (1) and the release plate (2), and a pre-tightening unit (4) is arranged on the release plate (2);

the magnetic yoke (1) is provided with a sliding assembly, the sliding assembly is provided with an armature (5), a plurality of rebound units (18) are connected between the pre-tightening unit (4) and the armature (5), the release plate (2) is provided with a wire drawing machine (6), and the top of the armature (5) is provided with a brake disc (7).

2. The wire-drawing-released electromagnetic brake for vehicles according to claim 1, wherein: the middle part of the brake disc (7) is sleeved with a gear sleeve (8), and the top of the gear sleeve (8) is provided with a friction disc (9);

the inside of yoke (1) is provided with skeleton (13), the inside of skeleton (13) is provided with coil (14), friction disc (9) joint has first screw (15), first screw (15) are provided with three.

3. The wire-drawing-released electromagnetic brake for vehicles according to claim 2, wherein: the sliding assembly comprises a second screw (16) and a hollow bolt (17), wherein the second screw (16) is clamped inside the magnetic yoke (1), the hollow bolt (17) is sleeved between the second screw (16) and the armature (5), and an elastic gasket (19) is sleeved outside the second screw (16).

4. The wire-drawing-released electromagnetic brake for vehicles according to claim 1, wherein: the pre-tightening unit (4) comprises a spring and a gasket ring, the spring is connected with the gasket ring, and the gasket ring is positioned at the top of the armature (5).

5. The wire-drawing-released electromagnetic brake for vehicles according to claim 1, wherein: the release plate (2) comprises a through hole (201), an avoidance groove (202) and an avoidance hole (203), the wire drawing machine (6) is sleeved in the through hole (201), the avoidance hole (203) is formed in the middle of the release plate (2), and the avoidance grooves (202) are formed in two.

6. The wire-drawing-released electromagnetic brake for vehicles according to claim 2, wherein: the magnetic yoke (1) and the friction disc (9) are sleeved with a dust ring (10), a rubber plug (11) is clamped in the middle of one side, close to the release plate (2), of the magnetic yoke (1), and a rubber sealing gasket (12) is clamped in the magnetic yoke (1).

7. A wire-drawing-released electromagnetic brake for a vehicle according to claim 3, wherein: the second screw (16) penetrates through the bottom of the magnetic yoke (1) and the top of the friction disc (9), and the outer part of the elastic gasket (19) is attached to the magnetic yoke (1).

8. The wire-drawing-released electromagnetic brake for vehicles according to claim 1, wherein: the first bolt (3) and the pretensioning unit (4) are arranged in two and are symmetrical with respect to the central axis of the magnetic yoke (1).

9. A wire-drawing-released electromagnetic brake for a vehicle according to claim 3, wherein: the first screws (15) are parallel to the second screws (16), the first screws (15) and the second screws (16) are symmetrical with respect to the axis of the magnetic yoke (1), the first screws (15) and the second screws (16) are provided with three, and the hollow bolts (17) correspond to the elastic gaskets (19) and the second screws (16).