Electric kickstand with braking function

Abstract

The utility model discloses an electric kickstand with a braking function. The electric kickstand comprises an installation fixing frame fixed to a bottom fork structure, a gear box fixed to the installation fixing frame, a gear arranged in the gear box, a motor fixed to the outer wall of the gear box, a kickstand body connected to the gear and a braking structure arranged on the kickstand body. The gear is meshed with a driving shaft of the motor, a rotating shaft of the gear is fixedly connected to the foot support so as to drive the foot support to be unfolded or folded, one end of the brake structure is connected to the gear box, and the other end of the brake structure is connected to the foot support and can be in direct contact with a trundle for braking. The brake structure is arranged on the kickstand and can assist in braking when the kickstand is started, even if a rider does not brake, the brake structure of the kickstand can automatically brake, the bicycle cannot automatically slide, and the kickstand is convenient to use and good in stability.

Description

Technical Field

[0001] The utility model relates to an electric vehicle kickstand, in particular to an electric kickstand with a braking function. Background Art

[0002] Currently, the kickstand of electric vehicles can only be raised or lowered, and the usage status is controlled by a motor. When braking, the electric vehicle only relies on the brake structure of the front and rear wheels. The casters of the kickstand do not have a brake structure. When the kickstand is activated, if the electric vehicle is on a tilted road and the rider does not brake, the casters of the kickstand will slide, making it inconvenient and unstable to use. Utility Model Content

[0003] In order to solve the defects of the above-mentioned prior art, the utility model provides an electric kickstand with a braking function. The utility model arranges a braking structure on the kickstand, which can assist braking when the kickstand is activated. The car will not slide automatically, is easy to use, and has good stability.

[0004] In order to achieve the above technical purpose, the utility model adopts the following technical solution: an electric foot support with a brake function, comprising a mounting bracket fixed to a flat fork structure, a gear box fixed to the mounting bracket, a gear arranged in the gear box, a motor fixed to an outer wall of the gear box, a foot support connected to the gear, and a brake structure arranged on the foot support;

[0005] The gear is meshed with the driving shaft of the motor, and the rotating shaft of the gear is fixedly connected to the foot support to drive the foot support to be opened or retracted. One end of the brake structure is connected to the gear box, and the other end is connected to the foot support and can directly contact the caster to brake.

[0006] Further, the gearbox includes a gearbox bottom cover and a gearbox outer cover, the gearbox bottom cover and the gearbox outer cover are spliced ​​together to form a cavity inside, the gear and the drive shaft are arranged in the cavity, and one end of the brake structure is connected to the gearbox outer cover; the gearbox bottom cover is provided with a drive shaft positioning hole, a gear shaft positioning hole, and a gear accommodating bottom cavity, the gearbox outer cover is provided with a drive shaft mounting hole, a gear shaft mounting hole, and a gear accommodating outer cavity, the drive shaft is installed in the drive shaft positioning hole and the drive shaft mounting hole, and extends out of the drive shaft mounting hole to be connected with the motor, the rotating shaft is installed in the gear shaft positioning hole and the gear shaft mounting hole, and extends out of the gear shaft mounting hole to be connected with the second fastening hole of the foot support through its own first fastening hole, and the gear is located in the gear accommodating bottom cavity and the gear accommodating outer cavity.

[0007] Furthermore, the gear is a sector gear, and the drive shaft is a full gear.

[0008] Furthermore, the gear box outer cover is provided with a motor mounting plate, and the motor mounting plate is provided with a through hole for passing the drive shaft, the through hole is aligned with the drive shaft mounting hole, the outer casing of the motor is fixed on the mounting column of the motor mounting plate, and the motor is equipped with a protective cover, which is fixed on the mounting hole of the motor mounting plate.

[0009] Furthermore, the caster is arranged at the end of the foot support, and is also provided with a connecting frame for installing the caster, and is also provided with a mud guard, the mud guard is provided with a first joint connected to the foot support, and is provided with a second joint connected to the rotating shaft of the caster.

[0010] Furthermore, a movable groove is provided on the inner wall of the foot support, and the opening of the movable groove is connected to the caster; the brake structure includes a swing arm and a brake pad, one end of the swing arm is connected to the gear box outer cover through a first hinge shaft, and the other end is connected to the brake pad through a second hinge shaft, and the brake pad is placed in the movable groove.

[0011] Furthermore, the swing arm includes an upper section, a middle section, and a lower section connected in sequence, the upper section and the lower section are connected to the middle section at an obtuse angle and are symmetrical, the first hinge axis is arranged at the outer end of the upper section, and the second hinge axis is arranged at the outer end of the lower section.

[0012] Furthermore, the mounting and fixing frame includes a U-shaped plate arranged on the flat fork structure, and the gear box bottom cover is fixed to the U-shaped plate; a bend is provided on the upper side of the U-shaped plate to hook the flat fork structure, and a U-shaped frame is provided on the lower side of the U-shaped plate, one end of the U-shaped frame passes through the lower side of the U-shaped plate, and the other end supports the flat fork structure, and the U-shaped frame is provided with a retaining edge to block the flat fork structure; a fastening bolt is provided on the lower side of the U-shaped plate, the end face of the fastening bolt supports the lower side surface of the U-shaped frame, and the other end is threadedly connected to the lower side of the U-shaped plate, and the fastening bolt is provided with a buffer spring; one end of the flat fork structure is provided with a U-shaped groove for installing the rear wheel of the electric vehicle.

[0013] Furthermore, a positioning groove is provided on the rotating shaft, and a positioning strip is provided on the foot support, and the two cooperate with each other.

[0014] Furthermore, the gearbox bottom cover is provided with a boss, and the gearbox outer cover is provided with two limiting bosses.

[0015] In summary, the utility model has achieved the following technical effects:

[0016] The utility model provides a brake structure on the foot support to assist braking without requiring additional control. The brake can be automatically applied after the foot support is activated to prevent the caster from sliding.

[0017] The utility model is provided with a U-shaped plate, a U-shaped frame and bolts, which can fasten the foot support and improve stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the propped-up state of an electric kickstand with a brake function;

[0019] Figure 2 yes Figure 1 A partial schematic diagram of

[0020] Figure 3 yes Figure 2 An angle decomposition diagram of

[0021] Figure 4 yes Figure 2 Another perspective decomposition diagram;

[0022] Figure 5 yes Figure 4 A partial enlarged schematic diagram;

[0023] Figure 6 It is the supported state of the brake structure;

[0024] Figure 7 It is the retracted state of the brake structure;

[0025] Figure 8 It is the overall auxiliary state;

[0026] Fig. 9 It is the overall folded state. DETAILED DESCRIPTION

[0027] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0028] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

[0029] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0030] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0031] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0033] Example:

[0034] Figure 1 This is a schematic diagram of the propped-up state of an electric kickstand with a brake function. Figure 2 yes Figure 1 A partial schematic diagram of Figure 3 yes Figure 2 An angle decomposition diagram of Figure 4 yes Figure 2 Another angle decomposition schematic diagram includes a mounting bracket 16 fixed to the flat fork structure 1, a gear box fixed on the mounting bracket 16, a gear 5 arranged in the gear box, a motor 13 fixed to the outer wall of the gear box, a foot support 8 connected to the gear 5, and a brake structure arranged on the foot support 8; the gear 5 is meshed with the driving shaft 4 of the motor 13, and the rotating shaft 501 of the gear 5 is fixedly connected to the foot support 8 to drive the foot support 8 to be opened or retracted, one end of the brake structure is connected to the gear box, and the other end is connected to the foot support 8 and can directly contact the caster 10 to brake.

[0035] like Figure 3 and Figure 4 As shown, the gearbox includes a gearbox bottom cover 2 and a gearbox outer cover 3, the gearbox bottom cover 2 and the gearbox outer cover 3 are spliced ​​to form a cavity inside, the gear 5 and the drive shaft 4 are arranged in the cavity, and one end of the brake structure is connected to the gearbox outer cover 3; the gearbox bottom cover 2 is provided with a drive shaft positioning hole 201, a gear shaft positioning hole 202, and a gear accommodating bottom cavity 203, the gearbox outer cover 3 is provided with a drive shaft mounting hole 301, a gear shaft mounting hole 302, and a gear accommodating outer cavity 303 The drive shaft 4 is installed in the drive shaft positioning hole 201 and the drive shaft mounting hole 301, and extends out of the drive shaft mounting hole 301 to be connected to the motor 13. The rotating shaft 501 is installed in the gear shaft positioning hole 202 and the gear shaft mounting hole 302, and extends out of the gear shaft mounting hole 302 to be connected with the second fastening hole 801 of the foot support 8 through its own first fastening hole 502. The gear 5 is located in the gear accommodating bottom cavity 203 and the gear accommodating outer cavity 303.

[0036] The motor of the utility model drives the driving shaft 4 to rotate, and drives the gear 5 to rotate through the meshing relationship. The gear 5 is a sector gear, and the driving shaft 4 is a full gear. The rotation of the gear 5 can drive the rotating shaft 501 to rotate, thereby driving the foot support 8 to rotate, so as to realize the support and retracting of the foot support 8. The sector angle of the gear 5 just matches the maximum angle of the support and retracting of the foot support 8.

[0037] The utility model also provides a positioning groove 503 ( Figure 3 ), a positioning strip 803 is provided on the foot support 8 ( Figure 4 The two cooperate with each other to achieve rapid positioning and prevent installation deviation.

[0038] The utility model also has a boss 204 ( Figure 3 As shown), the cavity formed by the boss 204 is a gear accommodating bottom cavity 203, so that even if the bearing is damaged, the gear will not deviate and the drive shaft 4 will not be damaged.

[0039] The utility model also has two limiting bosses 304 ( Figure 4 Shown), to prevent excessive gear rotation from damaging the equipment.

[0040] The gear box outer cover 3 is provided with a motor mounting plate 6, and the motor mounting plate 6 is provided with a through hole for passing the drive shaft 4, and the through hole is aligned with the drive shaft mounting hole 301. The housing of the motor 13 is fixed on the mounting column 602 of the motor mounting plate 6, and the motor 13 is equipped with a protective cover 14, and the protective cover 14 is fixed on the mounting hole 301 of the motor mounting plate 6.

[0041] The end of the foot support 8 is provided with the caster 10, and is also provided with a connecting frame 11 for installing the caster 10, and is also provided with a mud guard 12, wherein the mud guard 12 is provided with a first joint 1201 connected to the foot support 8, and is provided with a second joint 1202 connected to the rotating shaft of the caster 10. The mud guard 12 prevents the caster 19 from throwing mud.

[0042] like Figure 4 As shown, a movable groove 802 is formed on the inner wall of the foot support 8, and the opening of the movable groove 802 is connected to the caster 10; the brake structure includes a swing arm 7 and a brake pad 9, one end of the swing arm 7 is connected to the gear box outer cover 3 through a first hinge shaft 701, and the other end is connected to the brake pad 9 through a second hinge shaft 702, and the brake pad 9 is placed in the movable groove 802.

[0043] The swing arm 7 includes an upper section, a middle section, and a lower section connected in sequence. The upper section and the lower section are connected to the middle section at an obtuse angle and are symmetrical. The first hinge axis 701 is arranged at the outer end of the upper section, and the second hinge axis 702 is arranged at the outer end of the lower section.

[0044] Figure 6 It is the supporting state of the brake structure. Figure 7 This is the stowed state of the brake structure. Figure 8 is the overall auxiliary state, Fig. 9 The whole is stowed. When the foot support 8 moves from the propped state to the stowed state, the foot support 8 rotates and lifts up, bringing the brake pad 9 up. The brake pad 9 moves around the first hinge shaft 701 as the center of the circle and is always restricted by the movable groove 801, gradually leaving the caster 10. When moving from the stowed state to the propped state, the foot support 8 rotates and falls down, bringing the brake pad 9 down. The brake pad 9 moves around the first hinge shaft 701 as the center of the circle and is always restricted by the movable groove 801, gradually approaching the caster 10 to brake.

[0045] The mounting bracket 16 includes a U-shaped plate 1601 disposed on the flat fork structure 1, and the gear box bottom cover 2 is fixed to the U-shaped plate 1601 through an intermediate plate; a bend 1602 is disposed on the upper side of the U-shaped plate 1601 to hook the flat fork structure, and a U-shaped frame 1603 is disposed on the lower side of the U-shaped plate 1601, one end of the U-shaped frame 1603 passes through the lower side of the U-shaped plate 1601, and the other end supports the flat fork structure. The U-shaped frame 1603 is provided with a retaining edge 1604 for blocking the flat fork structure; a fastening bolt 1606 is provided on the lower side of the U-shaped plate 1601, the end face of the fastening bolt 1606 supports the lower side surface of the U-shaped frame 1603, and the other end is threadedly connected to the lower side of the U-shaped plate 1601, and the fastening bolt 1606 is provided with a buffer spring 1605; a U-shaped groove is provided at one end of the flat fork structure for installing the rear wheel 15 of the electric vehicle.

[0046] The utility model utilizes a U-shaped plate 1601, a U-shaped frame 1603, a fastening bolt 1606, and a buffer spring 1605 to fasten the flat fork structure 1 to the gear box structure, thereby achieving better stability and convenient disassembly.

[0047] The above description is only a preferred implementation mode of the present invention, and does not limit the present invention in any form. Any simple modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are within the scope of the technical solution of the present invention.

Claims

1. An electric footrest with a braking function, characterized in that: It comprises a mounting bracket (16) fixed to a flat fork structure (1), a gear box fixed to the mounting bracket (16), a gear (5) arranged in the gear box, a motor (13) fixed to an outer wall of the gear box, a foot support (8) connected to the gear (5), and a brake structure arranged on the foot support (8); The gear (5) is meshed with the driving shaft (4) of the motor (13); the rotating shaft (501) of the gear (5) is fixedly connected to the foot support (8) to drive the foot support (8) to be opened or retracted; one end of the brake structure is connected to the gear box, and the other end is connected to the foot support (8) and can directly contact the caster (10) to brake.

2. The electric footrest with braking function according to claim 1, characterized in that: The gearbox comprises a gearbox bottom cover (2) and a gearbox outer cover (3), wherein the gearbox bottom cover (2) and the gearbox outer cover (3) are spliced ​​together to form a cavity inside, wherein the gear (5) and the drive shaft (4) are arranged in the cavity, and one end of the brake structure is connected to the gearbox outer cover (3); the gearbox bottom cover (2) is provided with a drive shaft positioning hole (201), a gear shaft positioning hole (202), and a gear accommodating bottom cavity (203), and the gearbox outer cover (3) is provided with a drive shaft mounting hole (301), a gear shaft mounting hole (302), and a gear accommodating outer cavity (303), wherein the gearbox bottom cover (2) is provided with a drive shaft mounting hole (301), a gear shaft mounting hole (302), and a gear accommodating outer cavity (303), wherein the gear (5) and the drive shaft (4) are arranged in the cavity; and the gear (5) and the drive shaft (4) are arranged in the cavity. The drive shaft (4) is installed in the drive shaft positioning hole (201) and the drive shaft mounting hole (301), and extends out of the drive shaft mounting hole (301) to be connected to the motor (13); the rotating shaft (501) is installed in the gear shaft positioning hole (202) and the gear shaft mounting hole (302), and extends out of the gear shaft mounting hole (302) to be connected to the second fastening hole (801) of the foot support (8) through its own first fastening hole (502); the gear (5) is located in the gear accommodating bottom cavity (203) and the gear accommodating outer cavity (303).

3. The electric footrest with braking function according to claim 2, characterized in that: The gear (5) is a sector gear, and the drive shaft (4) is a full gear.

4. The electric footrest with braking function according to claim 2, characterized in that: The gear box outer cover (3) is provided with a motor mounting plate (6), and the motor mounting plate (6) is provided with a through hole for passing the drive shaft (4), and the through hole is aligned with the drive shaft mounting hole (301), and the housing of the motor (13) is fixed on the mounting column (602) of the motor mounting plate (6), and the motor (13) is equipped with a protective cover (14), and the protective cover (14) is fixed on the mounting hole (301) of the motor mounting plate (6).

5. The electric footrest with braking function according to claim 2, characterized in that: The caster (10) is arranged at the end of the foot support (8), and is also provided with a connecting frame (11) for installing the caster (10), and is also provided with a mud guard (12), wherein the mud guard (12) is provided with a first joint (1201) connected to the foot support (8), and is provided with a second joint (1202) connected to the rotating shaft of the caster (10).

6. The electric footrest with braking function according to claim 2, characterized in that: The inner side wall of the foot support (8) is provided with a movable groove (802), and the opening of the movable groove (802) is connected to the caster (10); the brake structure includes a swing arm (7) and a brake pad (9), one end of the swing arm (7) is connected to the gear box outer cover (3) through a first hinge shaft (701), and the other end is connected to the brake pad (9) through a second hinge shaft (702), and the brake pad (9) is placed in the movable groove (802).

7. The electric footrest with braking function according to claim 6, characterized in that: The swing arm (7) comprises an upper section, a middle section and a lower section which are connected in sequence, the upper section and the lower section are both connected to the middle section at an obtuse angle and are symmetrical, the first hinge axis (701) is arranged at the outer end of the upper section, and the second hinge axis (702) is arranged at the outer end of the lower section.

8. The electric footrest with braking function according to claim 2, characterized in that: The mounting bracket (16) comprises a U-shaped plate (1601) arranged on the flat fork structure (1), and the gear box bottom cover (2) is fixed to the U-shaped plate (1601); a bend (1602) is arranged on the upper side of the U-shaped plate (1601) to hook the flat fork structure, and a U-shaped frame (1603) is arranged on the lower side of the U-shaped plate (1601), one end of the U-shaped frame (1603) passes through the lower side of the U-shaped plate (1601), and the other end supports the flat fork structure, and the The U-shaped frame (1603) is provided with a retaining edge (1604) for blocking the flat fork structure; a fastening bolt (1606) is provided on the lower side of the U-shaped plate (1601); the end face of the fastening bolt (1606) supports the lower side of the U-shaped frame (1603) and the other end is threadedly connected to the lower side of the U-shaped plate (1601); the fastening bolt (1606) is provided with a buffer spring (1605); one end of the flat fork structure is provided with a U-shaped groove for mounting the rear wheel (15) of the electric vehicle.

9. The electric footrest with braking function according to claim 2, characterized in that: The rotating shaft (501) is provided with a positioning groove (503), and the foot support (8) is provided with a positioning strip (803), and the two cooperate with each other.

10. The electric foot support with braking function according to claim 2, characterized in that: The gear box bottom cover (2) is provided with a boss (204), and the gear box outer cover (3) is provided with two limiting bosses (304).

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