CN218703613U - Hub brake lock - Google Patents

Abstract

The utility model relates to a wheel hub brake lock leads to the production assembly comparatively inconvenient to solving current like product structural design is not good enough, linkage, interlocking effect relatively poor technical problem and design between the part. The main points are that the mounting disc both sides quotation of this wheel hub brake lock is equipped with motor box and spring bolt respectively, the one end of spring bolt is fixed in the mounting disc through first pin, the other end of spring bolt is fixed in the linkage hole of second cardboard one end through the second pin, linkage hole one end outside border is equipped with bellied tapered end, the spring bolt this end inboard of tapered end symmetry is equipped with the locked groove, the other end centre bore of second cardboard sets up in the axletree, first cardboard sets up in the axletree, the protruding dop that is equipped with in one side of first cardboard, dop one end is connected through first extension spring and motor eccentric wheel's center one side off-centre, the other end of first extension spring is fixed in first cardboard and mounting disc through the third pin, the third pin inserts the linkage hole of second cardboard, motor eccentric wheel is connected with the motor shaft that stretches out in the motor box.

Description

Hub brake lock

Technical Field

The utility model relates to an electric bicycle's brake equipment is a wheel hub brake lock.

Background

At present, shared bicycles in China are developed vigorously, a large quantity of shared bicycles and electric vehicles are often placed in places such as districts, streets, shopping mall entrances and exits, subway slots and the like for pedestrians to use, and the holding quantity of the shared bicycles is higher and higher along with the development of the industries of the shared bicycles and the shared electric vehicles. Such shared bicycles and electric vehicles generally adopt electronic locks to lock the rotation of the wheels by limiting the rotation of the spokes of the wheels; other sharing bicycle, electric motor car adopt the wheel hub lock, combine direct locking wheel hub to realize the locking of wheel through the motor structure in the locking and mechanical structure. Such hub locks as described above, for example, in chinese patent application No. 201611110920.4, application publication No. 2018.06.12, entitled "rotational locking mechanism and vehicle lock and locking control method applied thereto"; the utility model is named as ' a waterproof motor hub lock ', as the application number 201821044635.1 disclosed in Chinese patent documents, the publication number 2019.04.02 in the grant, and the utility model discloses a waterproof motor hub lock '. However, the product and the like are inconvenient to produce and assemble, high in production cost, poor in linkage and interlocking effect among components, difficult in ensuring stability and safety and poor in buffering effect.

Disclosure of Invention

For overcoming the above-mentioned not enough, the utility model aims at providing a wheel hub brake lock to this field, make it solve current like product structural design not good enough and lead to the production assembly comparatively inconvenient, manufacturing cost is higher, and linkage, interlocking effect are relatively poor between the part, the difficult technical problem who guarantees of stability and security. The purpose is realized by the following technical scheme.

A hub brake lock is characterized in that a mounting seat is arranged in a hub of the hub brake lock, a lock body disc is arranged in the mounting seat, a mounting disc is arranged in the lock body disc, the hub, the mounting seat, the lock body disc and the mounting disc are connected into a whole and arranged on a central axle, and raised locking ports are formed in the edge of the lock body disc and are distributed at equal intervals; the key point of the structural design is that a motor box is arranged on one side of the disc surface of the mounting disc, a spring bolt is arranged on the disc surface of the mounting disc on the other side of the motor box, one end of the spring bolt is fixed on the mounting disc through a first pin, the other end of the spring bolt is fixed on a linkage hole in one end of a second clamping plate through a second pin, a convex lock head is arranged on the outer side edge of one end of the linkage hole of the spring bolt, a lock groove is arranged on the inner side of the end of the spring bolt symmetrical with the lock head, a center hole in the other end of the second clamping plate is arranged on an axle, the first clamping plate is fixedly arranged on the axle, a chuck is arranged on one side of the first clamping plate in a protruding mode, one end of the chuck of the first clamping plate is eccentrically connected with one side of the center of a motor eccentric wheel through a first tension spring, the motor eccentric wheel is connected with a motor shaft extending out of the motor box, and an electric wire is connected to a circuit board in the motor box through a wire groove on one side of the axle; motor element in the motor box passes through the motor shaft and drives the motor eccentric wheel and rotate, and the motor eccentric wheel drives first cardboard through first extension spring and rotates, and the dop of first cardboard offsets with the locked groove of spring bolt to when driving the spring bolt and outwards rotating, the lock head of spring bolt inserts the only lock mouth of lock body dish, pins flower-drum, mount pad, mounting disc through the lock body dish. Thereby the motor passes through motor eccentric wheel, first extension spring and drives first cardboard and rotate, and when first cardboard promoted the outside removal of spring bolt, the tapered end of spring bolt inserted the only fore shaft of lock body dish, pins motionlessly between axletree and the flower-drum.

One end of the first tension spring is fixed on the first clamping plate and the mounting disc through a third pin, and meanwhile, the third pin is inserted into the linkage hole of the second clamping plate. Thereby further stabilized the linkage between first cardboard and second cardboard, the spring bolt.

The linkage hole of the second clamping plate is triangular, the inner side of the triangular linkage hole protrudes towards one side of the axle, the second pin is located at the triangular position of the linkage hole in the second clamping plate, and the third pin is located at the protruding position of one side in the triangle of the linkage hole in the second clamping plate. Thereby preventing the second pin and the third pin from interfering in the interlocking hole of the second catch plate.

The second cardboard is equipped with the center and is fixed in the torsional spring of axletree, and the one end of torsional spring is fixed in the third pin, and the other end of torsional spring is fixed in the second cardboard border of motor eccentric wheel one side. Thereby the effect that resets of second cardboard has been improved.

And a second tension spring is arranged on the edge of the other side of the second clamping plate, and the other end of the second tension spring is fixed on the motor box. Thereby further improving the reset effect of the second clamping plate.

And an oblique chamfer is arranged at the end part of the lock tongue at the third pin. Thereby preventing interference between the third pin and the latch bolt.

The motor eccentric wheel is characterized in that a boss with the diameter smaller than that of the wheel surface is arranged on one side of a motor shaft of the motor eccentric wheel, a conical bulge is arranged on the edge of one side of the boss, a third tension spring is arranged below the first tension spring, one end of the third tension spring is fixed in a kidney-shaped hole on one side of the second clamping plate, and one end of the third tension spring is fixed on the edge of a bottom plate of the mounting plate or the motor box. The boss structural design of above-mentioned motor eccentric wheel is convenient for bounce and the pushing down of third extension spring, plays the insurance effect of third extension spring, and the second extension spring of third extension spring cooperation opposite side has further improved the effect that resets of second cardboard.

A motor shaft of the motor assembly is connected with a motor eccentric wheel through a reduction gear assembly, a switch seat is arranged on a mounting disc at the position of the motor eccentric wheel, and a limiting column protruding from a wheel face on one side of the motor eccentric wheel is located in a limiting groove of the switch seat. Thereby further limiting the rotation amplitude of the eccentric wheel of the motor through the switch seat.

The motor box and the spring bolt are respectively arc-shaped and bent, and the second clamping plate is fan-shaped.

The hub is arranged on the rear wheel frame through the axle. Therefore, the hub brake lock is arranged in the rear wheel of the vehicle body, and only the hub rotates during running.

The first tension spring is replaced by a pull rod. The structure can also realize the technical effect and the technical purpose of the wheel hub brake lock, and is suitable for locks with rigid locking requirements.

The utility model has reasonable structure and space design, small volume, convenient use, assembly and installation, and good linkage, interlocking and buffering effects; the brake lock is suitable for being used as a hub brake lock and is suitable for structural improvement of similar products.

Drawings

Fig. 1 is a schematic diagram of a locked state structure according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of an unlocking state according to an embodiment of the present invention.

Fig. 3 is a schematic perspective view of the first embodiment of fig. 2, in which the motor box is in an open state.

Fig. 4 is a second schematic perspective view of fig. 2, in which a portion a is framed.

Fig. 5 is an enlarged view of a portion a of fig. 4.

Fig. 6 is a schematic view of the rear part of fig. 1 arranged in a hub.

Fig. 7 is a schematic view of a part of the structure of the usage state of the present invention.

Fig. 8 is a schematic cross-sectional structure of fig. 7.

Fig. 9 is a schematic view of the connection state structure between the first clamping plate, the first tension spring and the motor eccentric wheel of the present invention.

Fig. 10 is another side view of the structure of fig. 9.

FIG. 11 is a schematic diagram of a second usage state of the embodiment of FIG. 9, in which the framing portion is enlarged.

Figure number and name: 1. the locking mechanism comprises a first clamping plate, a second clamping plate, a first tension spring, a second tension spring, a motor eccentric wheel, a 401 boss, a 5 motor box, a 6 mounting plate, a 7 second tension spring, a 8 bolt, a 801 locking head, a 802 locking groove, a 9 lock body plate, a 10 mounting seat, a 11 motor component, a 12 axle, a 13 torsion spring, a 14 switch seat, a 15 bearing seat, a 16 bearing, a 17 hub, a 18 rear wheel frame, a 19 rear wheel frame and a third tension spring.

Detailed Description

The structure and use of the present invention will now be further described with reference to the accompanying drawings. In the first embodiment shown in fig. 1-8, a mounting seat 10 is arranged in a hub 17 of the hub brake lock, a lock body disc 9 is arranged in the mounting seat, a mounting disc 6 is arranged in the lock body disc, the hub, the mounting seat, the lock body disc and the mounting disc are connected into a whole and arranged on a central axle 12, and raised locking ports are arranged on the edge of the lock body disc and distributed at equal intervals. The quotation one side of mounting disc is equipped with motor box 5, the quotation of the symmetrical opposite side mounting disc of motor box is equipped with spring bolt 8, the one end of spring bolt is fixed in the mounting disc through first pin, the other end of spring bolt is fixed in the linkage hole of 2 one ends of second cardboard through the second pin, linkage hole one end outside border of spring bolt is equipped with bellied tapered end 801, this end inboard of spring bolt of tapered end symmetry is equipped with locked groove 802, the other end centre bore of second cardboard sets up in axletree 12, 1 fixed the setting in the axletree of first cardboard, the one side arch of first cardboard is equipped with the dop, the dop one end of first cardboard is connected through first extension spring 3 and motor eccentric wheel 4's center one side off-centre, the motor shaft that stretches out in motor eccentric wheel and the motor box is connected, the circuit board in the electric wire passes through axletree one side wire casing and inserts the motor box. One end of the first tension spring is fixed on the first clamping plate and the mounting disc through a third pin, and meanwhile, the third pin is inserted into the linkage hole of the second clamping plate; the linkage hole of the second clamping plate is triangular, the inner side of the triangular linkage hole protrudes towards one side of the axle, the second pin is positioned at the triangular position of the linkage hole in the second clamping plate, and the third pin is positioned at the protruding position of one side in the triangle of the linkage hole in the second clamping plate.

Meanwhile, the second clamping plate is provided with a torsional spring 13, the center of the torsional spring is fixed on the axle, one end of the torsional spring is fixed on the third pin, the other end of the torsional spring is fixed on the edge of the second clamping plate on one side of the eccentric wheel of the motor, a second tension spring 7 is arranged on the edge of the other side of the second clamping plate, and the other end of the second tension spring is fixed on the motor box. The end part of the lock tongue at the third pin is provided with an oblique chamfer, a motor shaft of the motor component is connected with a motor eccentric wheel through a reduction gear component, a mounting disc at the motor eccentric wheel is provided with a switch seat 14, and a limit column protruding from a side wheel surface of the motor eccentric wheel is positioned in a limit groove of the switch seat. The motor box and the bolt are respectively in arc bending, the second clamping plate is in a fan shape, the hub is arranged on the rear wheel frame 18 through the axle, a bearing seat 15 is arranged on the axle extending out of one side of the rear wheel frame, and a bearing 16 is arranged in the bearing seat.

The working principle of the hub brake lock is as follows: a motor assembly in the motor box drives a motor eccentric wheel to rotate through a motor shaft, the motor eccentric wheel abuts against and is limited on one side of the switch base, the motor eccentric wheel drives a first clamping plate to rotate through a first tension spring and a third pin, and the third pin slides in a linkage hole of a second clamping plate; the dop of first cardboard offsets with the locked groove of spring bolt, and the second pin of spring bolt drives the spring bolt rotation through the interlocking hole of second cardboard to drive the spring bolt outwards to rotate, the tapered end of spring bolt inserts the locking mouth of lock body dish. When the motor shaft drives the motor eccentric wheel to rotate reversely, the chuck of the first clamping plate is separated from the lock groove of the lock tongue, the lock head of the lock tongue is driven to be separated from the lock stopping opening of the lock body disc, and the lock tongue rotates inwards.

According to the structural characteristics of the first embodiment, as shown in fig. 9-11 of the second embodiment, a boss 401 with a diameter smaller than that of the wheel surface is arranged on one side of the motor shaft of the motor eccentric wheel, a tapered protrusion is arranged on the edge of one side of the boss, a third tension spring 19 is arranged below the first tension spring, one end of the third tension spring is fixed in a waist-shaped hole on one side of the second clamping plate, and one end of the third tension spring is fixed on the edge of the mounting plate or the bottom plate of the motor box, so that the second clamping plate can achieve the same technical purpose and technical effect through the second tension spring and the third tension spring on two sides.

Claims (10)

1. A hub brake lock is characterized in that a mounting seat (10) is arranged in a hub (17) of the hub brake lock, a lock body disc (9) is arranged in the mounting seat, a mounting disc (6) is arranged in the lock body disc, the hub, the mounting seat, the lock body disc and the mounting disc are connected into a whole and arranged on a central axle (12), and raised locking ports distributed at equal intervals are formed in the edge of the lock body disc; the electric vehicle is characterized in that a motor box (5) is arranged on one side of the disc surface of the mounting disc (6), a lock tongue (8) is arranged on the disc surface of the mounting disc on the other side of the motor box, one end of the lock tongue is fixed on the mounting disc through a first pin, the other end of the lock tongue is fixed on a linkage hole in one end of a second clamping plate (2) through a second pin, a convex lock head (801) is arranged on the outer side edge of one end of the linkage hole of the lock tongue, a lock groove (802) is arranged on the inner side of the end of the lock tongue symmetrical to the lock head, a center hole in the other end of the second clamping plate is arranged on an axle (12), the first clamping plate (1) is fixedly arranged on the axle, a clamp head is arranged on one side of the first clamping plate in a protruding mode, one end of the clamp head of the first clamping plate is eccentrically connected with one side of the center of a motor eccentric wheel (4) through a first tension spring (3), the motor eccentric wheel is connected with a motor shaft extending out from the motor box, and an electric wire is connected to a circuit board in the motor box through a wire groove on one side of the axle; motor element in the motor box passes through the motor shaft and drives the motor eccentric wheel and rotate, and the motor eccentric wheel drives first cardboard through first extension spring and rotates, and the dop of first cardboard offsets with the locked groove of spring bolt to when driving the spring bolt outwards to rotate, the lock head of spring bolt inserts the only lock mouth of lock body dish, pins flower-drum (17), mount pad (10), mounting disc (6) through the lock body dish.

2. The hub brake lock according to claim 1, wherein one end of the first tension spring (3) is fixed to the first clamping plate (1) and the mounting disc (6) by a third pin, and the third pin is inserted into the linkage hole of the second clamping plate (2).

3. A hub brake lock according to claim 2, wherein the linkage hole of the second clamping plate (2) is triangular, the triangular linkage hole protrudes towards the side of the axle (12), the second pin is located at the triangular position of the linkage hole in the second clamping plate, and the third pin is located at the protruding position of the triangular position of the linkage hole in the second clamping plate.

4. The hub brake lock according to claim 2, wherein the second catch plate (2) is provided with a torsion spring (13) fixed at the center of the axle (12), one end of the torsion spring is fixed at the third pin, and the other end of the torsion spring is fixed at the edge of the second catch plate at one side of the motor eccentric wheel (4).

5. The hub brake lock according to claim 4, wherein a second tension spring (7) is arranged at the other side edge of the second clamping plate (2), and the other end of the second tension spring is fixed on the motor box (5).

6. The hub brake lock according to claim 2, characterized in that the end of the locking tongue (8) at the third pin is provided with a beveled chamfer.

7. The hub brake lock according to claim 1, wherein a boss (401) with a diameter smaller than that of the wheel surface is arranged on one side of a motor shaft of the motor eccentric wheel (4), a conical protrusion is arranged on the edge of one side of the boss, a third tension spring (19) is arranged below the first tension spring (3), one end of the third tension spring is fixed in a kidney-shaped hole on one side of the second clamping plate (2), and one end of the third tension spring is fixed on the edge of a bottom plate of the mounting disc (6) or the motor box (5).

8. The wheel hub brake lock according to claim 1, characterized in that the motor shaft of the motor assembly (11) is connected with the motor eccentric wheel (4) through a reduction gear assembly, the mounting disc (6) at the position of the motor eccentric wheel is provided with a switch seat (14), and a limit column protruding from a wheel surface at one side of the motor eccentric wheel is positioned in a limit groove of the switch seat.

9. The hub brake lock according to claim 1, wherein the motor case (5) and the locking tongue (8) are respectively curved in an arc shape, and the second catch plate (2) is fan-shaped.

10. Hub brake lock according to claim 1, characterized in that the hub (17) is arranged to the rear wheel frame (18) via the axle (12).

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