CN211918914U

CN211918914U - Rotating handle mechanism and electric vehicle

Info

Publication number: CN211918914U
Application number: CN201922484577.5U
Authority: CN
Inventors: 刘海成
Original assignee: Beijing Qisheng Technology Co Ltd
Current assignee: Hangzhou Qingqi Science and Technology Co Ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-11-13
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses change mechanism and electric motor car, rotatable parts and base are rotationally connected, have convex finger dial piece on the rotatable parts, and the user can both carry out speed control through the rotatory rotatable parts of ring grip, also can carry out speed control through stirring the finger dial piece on the rotatable parts to can adopt a mechanism to satisfy different users' operation custom, simultaneously, the user can use finger root or palm to operate, can prevent that finger joint from producing fatigue hard.

Description

Rotating handle mechanism and electric vehicle

Technical Field

The utility model relates to a vehicle field, concretely relates to change mechanism and electric motor car.

Background

In the prior art, the operation control of the speed of the electric vehicle is generally divided into two different modes, one mode is control through rotating a rotating handle, and the other mode is control through pressing a finger dial by a finger, and due to the difference of operation habits among different users, the single operation device mounted on the vehicle cannot meet the requirements of different users. Moreover, the conventional fingering device usually requires the user to press the fingering block through the tip of the thumb, and the joints of the fingers are easy to fatigue.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the utility model provides a change mechanism and electric motor car can fully satisfy different users' operation custom.

In a first aspect, an embodiment of the present invention provides a handle rotating mechanism, including:

a base configured to be fixedly coupled to a handlebar;

the rotating part is rotatably connected with the base, and a protruding finger-dial block is arranged on the outer wall of the rotating part;

a sensing part configured to detect a rotation angle of the rotating part with respect to the base; and

the reset component is configured to drive the rotating component to return to the initial position.

Preferably, the base has a first accommodating cavity, one end of the first accommodating cavity has an opening, the opening is opposite to the rotating component, the resetting component is arranged in the first accommodating cavity, and the rotating component is at least partially arranged in the first accommodating cavity.

Preferably, the rotating part comprises an inner cylinder and a rotating handle sleeve sleeved on the periphery of the inner cylinder, the inner cylinder is fixedly connected with the rotating handle sleeve, and at least part of the inner cylinder is arranged in the first accommodating cavity.

Preferably, the rotating handle sleeve is provided with a first end and a second end which are opposite to each other, the first end of the rotating handle sleeve is opposite to the base, the finger shifting block is arranged on the periphery of the second end of the rotating handle sleeve, and the distance from the first end of the rotating handle sleeve to the finger shifting block is not less than the width of a thumb of a human hand.

Preferably, a plurality of first limiting bulges are distributed on the outer wall of the inner barrel, and first limiting grooves corresponding to the first limiting bulges are distributed on the inner wall of the rotating handle sleeve; or

A plurality of second limiting grooves are distributed in the circumferential direction of the outer wall of the inner barrel, and second limiting protrusions corresponding to the second limiting grooves are distributed in the circumferential direction of the inner wall of the rotating handle sleeve.

Preferably, the base is provided with a sleeve, the sleeve extends from the end face of the first accommodating cavity to a first direction, the rotating part is sleeved on the sleeve, and the first direction is perpendicular to the end face of the first accommodating cavity.

Preferably, the middle part of the sleeve is provided with an annular groove, and the inner wall of the rotating part is provided with an annular boss corresponding to the annular groove;

one end of the sleeve, which is far away from the first accommodating cavity, is provided with a wedge-shaped ring, and the outer diameter of the wedge-shaped ring is gradually reduced towards the first direction.

Preferably, the wedge ring has at least two axial slots therein.

Preferably, the reset component is a torsion spring, a first free end of the torsion spring is connected with the base, and a second free end of the torsion spring is connected with the rotating component.

Preferably, the sensing component is a hall sensor, and the hall sensor is fixedly arranged on the base;

and the rotating part is also fixedly provided with a magnet.

Preferably, the rotating member is further provided with a first fixing hole configured to fix the magnet.

Preferably, the rotating handle mechanism further comprises a clamp, and the clamp fixedly connects the base with the handlebar;

the base still have with clamp assorted second fixed orifices, the second fixed orifices with the clamp cooperatees in order to fix the base.

In a second aspect, an embodiment of the present invention further provides an electric vehicle, where the electric vehicle includes a rotating handle mechanism as defined in any one of the first aspect.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:

fig. 1 is a schematic perspective view of a handle rotating mechanism according to an embodiment of the present invention;

fig. 2 is an exploded view of the handle mechanism according to the embodiment of the present invention;

fig. 3 is a schematic perspective view of a base according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of a second embodiment of the present invention;

fig. 5 is a schematic cross-sectional structure view of an inner cylinder according to an embodiment of the present invention.

Description of reference numerals:

1-a base; 11-a first containing cavity; 12-a sleeve; 121-an annular groove; 122-a wedge ring; 123-axial grooves; 13-a second fixing hole; 14-a second connection hole; 2-a rotating member; 21-inner cylinder; 211-a first stop lug; 212-annular boss; 213-first fixing hole; 22-rotating handle sleeve; 221-finger dialing block; 222-a first restraint slot; 31-a hall sensor; 32-a magnet; 4-torsion spring; 41-a first free end; 42-a second free end; 5, clamping a hoop; 51-a first connection hole; DIR 1-first direction.

Detailed Description

The present invention will be described below based on examples, but the present invention is not limited to only these examples. In the following detailed description of the present invention, certain specific details are set forth in detail. It will be apparent to those skilled in the art that the present invention may be practiced without these specific details. Well-known methods, procedures, components and circuits have not been described in detail so as not to obscure the present invention.

Further, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.

Unless the context clearly requires otherwise, throughout this specification, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, what is meant is "including, but not limited to".

In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are intended to be inclusive and mean that, for example, they may be fixedly connected or detachably connected or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Spatially relative terms, such as "inner," "outer," "below," "lower," "above," "upper," and the like, are used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the example term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Fig. 1 is a schematic perspective view of a handle rotating mechanism according to an embodiment of the present invention, and fig. 2 is a schematic view of an explosion structure of the handle rotating mechanism according to an embodiment of the present invention.

As shown in fig. 1-2, the handle rotating mechanism of the embodiment of the present invention includes a base 1, a rotating component 2, an induction component and a reset component. Base 1 and handlebar fixed connection, rotating member 2 and base 1 rotationally are connected, are provided with convex finger dial piece 221 on the outer wall of rotating member 2. The sensing component is used for detecting the rotation angle of the rotating component 2 relative to the base 1 to generate a first signal and transmitting the first signal to an external controller. The reset component is used for driving the rotating component 2 to return to the initial position.

Fig. 3-4 are schematic perspective views of a base according to an embodiment of the present invention.

The base 1 is fixedly connected with the handlebar. In an alternative embodiment, as shown in fig. 3-4, the base 1 has a first through hole extending axially therethrough, the size of the through hole matching the outer diameter of the handlebar, and the base 1 can be fitted around the outer periphery of the handlebar. Of course, the base 1 can also be provided in other shapes, for example in an approximately arc-shaped configuration matching the handlebar.

The base 1 may be connected to the handlebar by bolting, welding, pinning or other fastening means sufficient to meet the strength requirements of the connection. In an alternative embodiment, the rotating handle mechanism can also be provided with a clamp 5, and the clamp 5 is sleeved on the handle bar. The outer surface of the band 5 is generally non-cylindrical and the base 1 has a second fixing hole 13 matching the shape of the band 5. The second fixing hole 13 may be provided with an opening at one end to facilitate positioning of the clip 5 in the second fixing hole 13. The corresponding position of first connecting hole 51 with clamp 5 on base 1 can be provided with intercommunication second fixed orifices 13 and outside second connecting hole 14, through passing set screw second fixed orifices 13 and screwing with the first connecting hole 51 of clamp 5, carry out the connection that fastens clamp 5 and handlebar, set screw, second fixed orifices 13 and clamp 5 cooperate and to fix base 1 on the handlebar, prevent that base 1 from taking place to rotate or taking place to remove along the handlebar for the handlebar.

Base 1 can also set up the first chamber 11 that holds, the first one end opening that holds chamber 11, the opening sets up with rotatable parts 2 relatively, and reset unit can set up in the first chamber 11 that holds, and rotatable parts 2 also can partly set up in the first chamber 11 that holds, can make to change the outward appearance of mechanism cleaner and tidier, also is favorable to changeing the waterproof dustproof design of mechanism internal device simultaneously.

As shown in fig. 2, the restoring member may be a torsion spring 4, and the torsion spring 4 may be disposed in the first receiving chamber 11. The torsion spring 4 has a first free end 41 and a second free end 42, the first free end 41 can be fixedly connected with the base 1, and the second free end 42 can be fixedly connected with the rotating part 2. Alternatively, the first receiving chamber 11 has a first protrusion therein, the first protrusion has a first surface, the rotating member 2 may be provided with a second protrusion, the second protrusion has a second surface, the first free end 41 of the torsion spring 4 abuts against the first surface, the second free end 42 of the torsion spring 4 abuts against the second surface, and the first surface and the second surface are oppositely disposed. When a user rotates the rotating part 2, the rotating part 2 drives the second free end 42 to move relative to the first free end 41, and the torsion spring 4 is twisted; when the user releases the rotating member 2, the second free end 42 of the torsion spring 4 drives the rotating member 2 to rotate and return to the initial position due to the elastic force of the torsion spring 4. The first and second protrusions may also limit the rotation angle of the rotating part 2. Of course, other structures may be provided as the returning means to drive the rotating means 2 to return, such as an elastic band, a servo motor, and the like.

As shown in fig. 2 to 4, the base 1 may be provided with a sleeve 12, the sleeve 12 extending from the end surface of the first accommodation chamber 11 to a first direction DIR1, the rotating member 2 being fitted over the sleeve 12, the first direction DIR1 being substantially perpendicular to the end surface of the first accommodation chamber 11. The rotating member 2 has a second through hole that penetrates axially, the sleeve 12 is disposed substantially coaxially with the second through hole of the rotating member 2, and the rotating member 2 can rotate around the sleeve 12.

As shown in fig. 2, the rotating member 2 of the present embodiment may include an inner cylinder 21 and a rotating handle sleeve 22 disposed on the outer circumference of the inner cylinder 21, and the second through hole is disposed on the inner cylinder 21. A plurality of first limiting bulges 211 are arranged on the outer wall of the inner cylinder 21, and first limiting grooves 222 corresponding to the first limiting bulges 211 are distributed on the inner wall of the rotating handle sleeve 22; alternatively, a plurality of second limiting grooves may be formed in the outer wall of the inner cylinder 21, and second limiting holes corresponding to the second limiting grooves may be formed in the inner wall of the handle sleeve 22. The limiting grooves and the corresponding limiting protrusions can extend along the axial direction of the rotating part 2, and therefore the limiting grooves and the limiting protrusions are matched to prevent the rotating handle sleeve 22 and the inner cylinder 21 from rotating relatively.

Fig. 5 is a schematic cross-sectional structure view of an inner cylinder according to an embodiment of the present invention. The sleeve 12 may have an annular groove 121 at a middle portion thereof, and the inner cylinder 21 may have an annular projection 212 on an inner wall thereof corresponding to the annular groove 121, as shown in fig. 5. The end of the sleeve 12 remote from the receiving cavity is provided with a wedge ring 122, and the outer diameter of the wedge ring 122 is gradually reduced from the vicinity close to the annular groove 121 to the first direction DIR 1. The wedge ring 122 of the sleeve 12 may be further provided with two or more axial grooves 123, so that the wedge ring 122 has a certain elasticity, and the inner cylinder 21 can be sleeved outside the sleeve 12 from a second direction, which is opposite to the first direction DIR 1. When the annular boss 212 contacts the wedge ring 122, the distance between the segments of the wedge ring 122 is shortened, the diameter of the wedge ring 122 is reduced, the annular boss 212 can smoothly pass through the wedge ring 122 and enter the annular groove 121, and at this time, as the accommodation space is enlarged, the wedge ring 122 can be restored to the original state to prevent the inner cylinder 21 from moving to the first direction DIR 1. When it is desired to separate the inner barrel 21 from the sleeve 12, a device such as a pliers can be extended to the wedge ring 122 to deform the wedge ring 122 and reduce the diameter, so that the annular projection 212 can exit the wedge ring 122.

The thumb-piece 221 can be disposed on the outer periphery of the handle sleeve 22, and the size of the thumb-piece 221 is adapted to the size of the thumb of a human hand. When a user needs to operate the rotating part 2, the user can hold the rotating handle sleeve 22 through the thumb and the ring to rotate the rotating part 2, the palm can also be placed on the handlebar, the thumb root of the hand is used to reach the thenar to stir the finger shifting block 221 to rotate the rotating part 2, and finger joint fatigue caused by pressing the finger shifting block 221 with fingers can be avoided. The rotating handle sleeve 22 is provided with a first end and a second end which are arranged in an opposite way, wherein the first end of the rotating handle sleeve 22 faces the base 1, the finger shifting block 221 can be arranged on the periphery near the second end, and the distance between the first end of the rotating handle sleeve 22 and the finger shifting block 221 is not less than the width of a thumb of a human hand. Preferably, the distance between the first end of the rotating handle sleeve 22 and the finger-dialing block 221 can be set such that when the thumb and the ring grip the rotating handle sleeve 22, the thenar of the human palm can rest on the finger-dialing block 221, so as to make the operation more comfortable for the user. The rotating handle sleeve 22 can be integrally formed by plastic, rubber and other materials, and has higher structural strength. Optionally, the grip sleeve 22 may have anti-slip patterns on its outer circumference to prevent slippage during operation by the user.

The sensing component is used for detecting the rotation angle of the rotating component 2 relative to the base 1 and generating a signal, and an external controller controls a corresponding power source to adjust output power according to the signal. In general, the output power can be set to increase along with the increase of the rotation angle detected by the sensing component, and the operation habit of a general user can be met.

In an alternative embodiment, the sensing component may be a hall sensor 31. The hall sensor is a magnetic field sensor manufactured according to the hall effect, and the hall effect means that when current passes through a conductor positioned in a magnetic field, the magnetic field generates a force perpendicular to the moving direction of electrons on the electrons in the conductor, so that a potential difference is generated in two directions perpendicular to the conductor and a magnetic induction line. The Hall voltage changes along with the change of the magnetic field intensity, the stronger the magnetic field intensity, the higher the voltage, the weaker the magnetic field intensity, and the lower the voltage, so that the Hall voltage can reflect the distance between the Hall sensor and the magnet.

As shown in fig. 2, a sensor chamber may be disposed in the circumferential direction of the base 1, the hall sensor 31 may be installed in the sensor chamber, and the rotating member 2 may be fixedly installed with the magnet 32, when the rotating member 2 rotates relative to the base 1, the relative position between the magnet 32 and the hall sensor 31 changes, so that the magnetic field intensity at the hall sensor 31 changes, and a corresponding signal is output. Other forms of sensing means, such as rotary encoders and the like, may also be employed by those skilled in the art.

The circumferential direction of the rotating part 2 can be provided with a first fixing hole 213, one end of the first fixing hole 213 is open, the magnet 32 is embedded into the first fixing hole 213, the first fixing hole 213 can be in interference fit with the magnet 32, and the magnet 32 can be fixed in a bonding mode, a bolt connection mode and the like to prevent the magnet 32 from falling off.

The utility model discloses at least some embodiments change mechanism can use on multiple vehicle, for example motorcycle, electric motor car, electric skateboard or other vehicles. Preferably, the handle rotating mechanism can be applied to an electric vehicle. The end part of the electric vehicle handlebar is usually sleeved with a handlebar sleeve, and the rotating handle mechanism is installed on the inner side of the handlebar sleeve, namely, when the electric vehicle handlebar is installed, the rotating handle mechanism is firstly installed at a preset position (usually beside a brake lever installation position) on the periphery of the handlebar, and then the electric vehicle handlebar is sleeved with the handlebar sleeve. The user can place the palm on the handle sleeve and control the rotating handle mechanism.

The sensing part may be generally connected to a battery management controller of the electric vehicle, and the battery management controller adjusts an output voltage of the power supply according to a signal of the sensing part, thereby adjusting a speed of the electric vehicle.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A twist grip mechanism, comprising:

a base (1) configured to be fixedly connected with a handlebar;

the rotating part (2) is rotatably connected with the base (1), and a protruding finger-dial block (221) is arranged on the outer wall of the rotating part (2);

a sensing part configured to detect a rotation angle of the rotating part (2) with respect to the base (1); and

a reset component configured to bring the rotating component (2) back to an initial position.

2. Handle mechanism according to claim 1, characterized in that the base (1) has a first housing chamber (11), that the first housing chamber (11) has an opening at one end, that the opening is opposite to the rotating member (2), that the return member is arranged in the first housing chamber (11), and that the rotating member (2) is at least partially arranged in the first housing chamber (11).

3. A twist grip mechanism according to claim 2, wherein the rotating member (2) comprises an inner cylinder (21) and a twist grip sleeve (22) fitted around the outer circumference of the inner cylinder (21), the inner cylinder (21) and the twist grip sleeve (22) being fixedly connected, the inner cylinder (21) being at least partially disposed in the first accommodating chamber (11).

4. A handle mechanism according to claim 3, wherein the handle sleeve (22) has a first end and a second end opposite to each other, the first end of the handle sleeve (22) is arranged opposite to the base (1), the finger-poking block (221) is arranged on the periphery of the second end of the handle sleeve (22), and the distance from the first end of the handle sleeve (22) to the finger-poking block (221) is not less than the width of a thumb of a human hand.

5. A handle rotating mechanism according to claim 3, wherein a plurality of first limiting protrusions (211) are distributed on the outer wall of the inner barrel (21), and first limiting grooves (222) corresponding to the first limiting protrusions (211) are distributed on the inner wall of the handle rotating sleeve (22); or

A plurality of second limiting grooves are distributed on the outer wall of the inner barrel (21) in the circumferential direction, and second limiting bulges corresponding to the second limiting grooves are distributed on the inner wall of the rotating handle sleeve (22) in the circumferential direction.

6. Handle transferring mechanism according to claim 2, characterized in that the base is provided with a sleeve (12), the sleeve (12) extending from the end surface of the first receiving cavity (11) towards a first direction (DIR1), the rotating part (2) being sleeved on the sleeve (12), the first direction (DIR1) being perpendicular to the end surface of the first receiving cavity (11).

7. Handle mechanism according to claim 6, characterized in that the sleeve (12) is provided with an annular groove (121) in its middle part, and that the inner wall of the rotating part (2) is provided with an annular projection (212) corresponding to the annular groove (121);

one end of the sleeve (12) far away from the first accommodating cavity (11) is provided with a wedge-shaped ring (122), and the outer diameter of the wedge-shaped ring (122) is gradually reduced towards the first direction (DIR 1).

8. Handle mechanism according to claim 7, characterized in that the wedge ring (122) has at least two axial grooves (123) thereon.

9. Handle mechanism according to claim 1, characterized in that the return element is a torsion spring (4), a first free end (41) of the torsion spring (4) being connected to the base (1) and a second free end (42) of the torsion spring (4) being connected to the turning element (2).

10. Handle mechanism according to claim 1, characterized in that the sensing component is a hall sensor (31), the hall sensor (31) being fixedly arranged on the base (1);

and a magnet (32) is also fixedly arranged on the rotating part (2).

11. Handle mechanism according to claim 10, characterized in that the rotating part is further provided with a first fixing hole (213), the first fixing hole (213) being configured to fix the magnet (32).

12. Handle mechanism according to claim 1, characterized in that the handle mechanism further comprises a clip (5), the clip (5) fixedly connecting the base (1) to the handlebar;

base (1) still have with clamp (5) assorted second fixed orifices (13), second fixed orifices (13) with clamp (5) cooperate with fixed base (1).

13. An electric vehicle comprising a twist grip mechanism according to any one of claims 1 to 12.