Bidirectional finger shifting structure

Abstract

The utility model discloses a bidirectional finger shifting structure, which comprises a circular ring-shaped mounting piece and a circular ring-shaped rotating piece rotationally sleeved outside the mounting piece, a Hall sensor and a magnet are respectively arranged on the mounting piece and a shifting piece, and the Hall sensor is used for transmitting magnetic field change signals sensed by the rotating piece after the rotating piece rotates. An elastic telescopic mechanism is arranged on the installation part, a reset groove is formed in the rotating part in the circumferential direction, the middle of the reset groove is gradually reduced towards the two sides, and one end of the elastic telescopic mechanism abuts against the groove bottom of the reset groove all the time under the action of elastic force. The rotating piece rotates under the action of the elastic telescopic mechanism so that the middle of the reset groove can be located at the end of the elastic telescopic mechanism, and the rotating piece rotates forwards and reversely at the original position to be used for controlling the rotating speed of the motor and the strength of the electronic brake. The electronic brake is provided with a pressure spring reset structure, the Hall initial position is located in the center of the magnet, and the shell drives the magnet to rotate forwards or reversely during use, controls the rotating speed of the motor forwards and can control the strength of the electronic brake backwards.

Description

Technical Field

[0001] The utility model relates to a control switch for a riding vehicle, in particular to a bidirectional finger-shift structure. Background Art

[0002] Electric scooters are vehicles that are based on traditional human-powered scooters and equipped with an electric power kit. Currently, electric scooters are generally divided into two-wheel drive or single-wheel drive. The most common transmission methods are: hub motor and belt drive. The main source of power is lithium battery packs. Currently, the speed control devices of electric scooters are generally divided into handle sleeve type, thumb sleeve type and finger-shift type. Based on the structural characteristics and ease of use of electric scooters, finger-shift accelerators are widely used.

[0003] The patent with application number CN202120978123.8 discloses a finger-shift accelerator assembly structure for an electric scooter, comprising a middle shell, a Hall seat is installed on the middle shell, a Hall switch for acceleration adjustment is installed in the Hall seat, and also includes a set of outer shells arranged on the outside of the middle shell and used for shifting acceleration, a reset spring is added between the outer shell and the middle shell, a plurality of mounting grooves are opened at the end of the outer shell, and a magnet for sensing the Hall switch is installed in the mounting groove; a rear cover is also installed at the end of the outer shell, and the rear cover limits the magnet in the mounting groove.

[0004] The above patent uses a reset spring - a torsion spring to reset after being toggled. The torsion spring can generally only provide a one-directional reset, that is, the finger dial can only be toggled in one direction. This structure results in only one control signal being generated in the end, and only one parameter can be controlled. Utility Model Content

[0005] Based on the deficiency that the prior art uses a torsion spring structure for resetting, which results in only one-way movement and ultimately only controls one parameter, the utility model provides a two-way finger-shifting structure.

[0006] The technical solution adopted by the utility model to solve the above technical problems is:

[0007] A two-way finger-shifting structure comprises a circular mounting part and a circular rotating part rotatably sleeved outside the mounting part, wherein the mounting part and the shifting part are respectively provided with a Hall sensor and a magnet, and the Hall sensor is used to transmit a magnetic field change signal sensed after the rotating part rotates, and is characterized in that an elastic telescopic mechanism is provided on the mounting part, and a reset groove is provided on the rotating part in a circumferential direction, wherein the middle of the reset groove gradually decreases toward both sides, and one end of the elastic telescopic mechanism always abuts against the bottom of the reset groove under the action of elastic force, and when the rotating part is shifted forward or reversely and released, the rotating part rotates under the action of the elastic telescopic mechanism so that the middle of the reset groove is located at the end of the elastic telescopic mechanism, and the rotating part rotates forward and reversely in the original position to control the motor speed and the electronic brake strength respectively. Among them, the mounting part is used to be fixed to the handlebar of the scooter, and the rotating part is used to shift to change the position of the Hall sensor and the magnet so that the Hall sensor senses different magnetic fields, so as to send different signals for controlling the motor speed and the strength of the electronic brake, and the Hall sensor is connected to the controller of the scooter through a signal line.

[0008] Preferably, the surface of the rotating member is provided with a plurality of strip-shaped teeth extending in the axial direction for increasing friction.

[0009] Preferably, a circular arc groove is provided in the middle of the strip-shaped teeth for fitting with the finger when the finger is moved.

[0010] Preferably, the bottom surface of the reset groove has two sections of symmetrical spiral abutment surfaces, and one end of the elastic telescopic mechanism abuts against the abutment surfaces.

[0011] Preferably, the axial projections of the two sections of the abutting surfaces are arc-shaped, and the lateral projections of the two sections of the abutting surfaces are V-shaped.

[0012] Preferably, a smooth transition curved surface is provided at the junction of the two abutting surfaces, or the end of the elastic telescopic mechanism is a spherical surface.

[0013] Preferably, the elastic telescopic mechanism includes a positioning pin and an elastic spring, and the elastic spring applies elastic force to the positioning pin so that one end of the positioning pin always abuts against the bottom surface of the reset groove.

[0014] Preferably, the mounting member is provided with a mounting groove, and the elastic spring and the positioning pin are arranged in the mounting groove. Preferably, the side wall of the positioning pin is provided with a support platform, and the elastic spring is sleeved on the positioning pin, and one end of the elastic spring is against the bottom surface of the mounting groove and the other end is against the support platform.

[0015] Preferably, the mounting member and the rotating member are provided with a group of relative inner step groups, the inner step group includes an annular first inner step and an annular second inner step, the Hall sensor and the magnet are respectively embedded in the first inner step and the second inner step, the elastic telescopic mechanism and the reset groove are respectively arranged on the first inner step and the second inner step, a ball bearing is interference-connected on the inner side wall of the second inner step, and one end of the fixing member extends into the inner hole of the ball bearing.

[0016] Preferably, it also includes a handlebar, which includes an inner tube body and a gripping sleeve sleeved outside the inner tube body; the gripping sleeve and the rotating part are of a separate structure, the gripping sleeve is fixedly connected to the inner tube body, and the rotating part is driven to rotate by turning the rotating part when in use; or the gripping sleeve and the rotating part are of an integrated structure, the gripping sleeve and the inner tube body are rotationally matched, and the rotating part is rotated by rotating the gripping sleeve when in use.

[0017] Compared with the prior art, the advantages of the utility model are as follows: in the present application, the mounting part is used to connect with the handlebar, and the rotating part is used to turn, and a secondary magnet and a Hall sensor are arranged between the two. When rotating, the Hall sensor senses the change of the magnetic field and transmits a control signal. In addition, an elastic telescopic mechanism is arranged on the mounting part to abut against the V-shaped reset groove arranged on the rotating part to reset the rotating part. The structure can be reset to the initial position when rotating in both forward and reverse directions, and then two control signals are sent by rotating in different directions to control the motor speed and electronic brake strength of the scooter. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be described in further detail below in conjunction with the accompanying drawings and preferred embodiments, but those skilled in the art will appreciate that these drawings are drawn only for the purpose of explaining the preferred embodiments and therefore should not be used as a limitation on the scope of the present invention. In addition, unless otherwise specified, the drawings are only schematically representing the composition or structure of the described object and may contain exaggerated displays, and the drawings are not necessarily drawn to scale.

[0019] Figure 1 A perspective view of the present application;

[0020] Figure 2 An exploded view of this application;

[0021] Figure 3 is a three-dimensional diagram of a rotating member;

[0022] Figure 4 is a three-dimensional diagram of the mounting part;

[0023] Figure 5 It is an exploded view of the mounting parts and the elastic telescopic mechanism;

[0024] Figure 6 It is a structural schematic diagram of a rotating part;

[0025] Figure 7 This is an exploded view of the rotating parts and magnets;

[0026] Figure 8 A three-dimensional diagram of the second embodiment of the grip sleeve;

[0027] Fig. 9 A three-dimensional diagram of a first embodiment of the grip sleeve;

[0028] In the figure: 10, rotating part; 101, strip-shaped teeth; 102, arc-shaped groove; 103, reset groove; 1031, 1032, abutment surface; 104, second inner step; 20, mounting part; 201, mounting groove; 202, first inner step; 30, elastic telescopic mechanism; 301, elastic spring; 302, positioning pin; 40, Hall sensor; 50, magnet; 001, inner tube body; 002, holding sleeve. DETAILED DESCRIPTION

[0029] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Those skilled in the art will appreciate that these descriptions are only descriptive and exemplary and should not be construed as limiting the protection scope of the present invention.

[0030] It should be noted that like reference numerals denote similar items in the following drawings, and thus, once an item is defined in one drawing, it may not be further defined or explained in subsequent drawings.

[0031] This embodiment mainly describes the title of the bidirectional dialing structure, which is as follows:

[0032] Main program :

[0033] Bidirectional finger-shift structure, such as Figure 1-7As shown, it includes a circular ring-shaped mounting member 20 and a circular ring-shaped rotating member 10 rotatably sleeved outside the mounting member 20, and the mounting member 20 and the toggle member are respectively provided with a Hall sensor 40 and a magnet 50, and the Hall sensor 40 is used to transmit the magnetic field change signal sensed after the rotating member 10 rotates. It is characterized in that an elastic telescopic mechanism 30 is provided on the mounting member 20, and a circumferentially arranged reset groove 103 is provided on the rotating member 10, and the middle part of the reset groove 103 gradually decreases toward both sides, and one end of the elastic telescopic mechanism 30 always rests on the bottom of the reset groove 103 under the action of elastic force. When the rotating member 10 is toggled forward or reversely and released, the rotating member 10 rotates under the action of the elastic telescopic mechanism 30 so that the middle part of the reset groove 103 is located at the end of the elastic telescopic mechanism 30, and the forward and reverse rotations of the rotating member 10 at the original position are respectively used to control the motor speed and the electronic brake strength. The mounting member 20 is used to be fixed to the handlebar of the scooter, and the rotating member 10 is used to be turned to change the positions of the Hall sensor 40 and the magnet 50 so that the Hall sensor 40 senses different magnetic fields to send different signals for controlling the motor speed and the strength of the electronic brake, wherein the Hall sensor 40 is connected to the controller of the scooter through a signal line.

[0034] Toggle gear part :

[0035] like Figure 1 As shown, the surface of the rotating member 10 is provided with a plurality of strip-shaped teeth 101 extending in the axial direction for increasing friction.

[0036] Preferably, the middle part of the strip-shaped teeth 101 is provided with an arc-shaped groove 102 for fitting with the finger when the finger is used to play. When in use, the finger is located at the arc-shaped groove 102 and fits with the arc-shaped groove 102 to increase the comfort of playing.

[0037] Reset slot part :

[0038] like Figure 3 and 6 As shown, the bottom surface of the reset groove 103 has two symmetrical spiral abutment surfaces 1031, 1032, and one end of the elastic telescopic mechanism 30 abuts against the abutment surfaces 1031, 1032. The greater the degree of the rotation member 10 is moved, the greater the elastic force applied by the elastic telescopic mechanism 30. When the rotation member 10 is released, the rotation member 10 quickly returns to the initial position under the action of the elastic force.

[0039] Preferably, the axial projections of the two sections of the abutting surfaces 1031 , 1032 are arc-shaped, and the lateral projections of the two sections of the abutting surfaces 1031 , 1032 are V-shaped.

[0040] Preferably, a smooth transition curved surface is provided at the junction of the two abutting surfaces 1031, 1032 or the end of the elastic telescopic mechanism 30 is a spherical surface. This solution can reduce the resistance during the dialing and make the dialing smoother.

[0041] Elastic telescopic mechanism part :

[0042] like Figure 4-5 As shown, the elastic telescopic mechanism 30 includes a positioning pin 302 and an elastic spring 301 . The elastic spring 301 applies elastic force to the positioning pin 302 so that one end of the positioning pin 302 always abuts against the bottom surface of the reset groove 103 .

[0043] Preferably, a mounting groove 201 is provided on the mounting member 20 , and the elastic spring 301 and the positioning pin 302 are arranged in the mounting groove 201 .

[0044] Preferably, a side wall of the positioning pin 302 is provided with a support platform, and the elastic spring 301 is sleeved on the positioning pin 302, with one end of the elastic spring 301 resting on the bottom surface of the installation sink 201 and the other end resting on the support platform. Reset and induction structure installation part point :

[0045] like Figure 4 and 6 As shown, the mounting member 20 and the rotating member 10 are provided with a set of relative inner step groups, the inner step group includes an annular first inner step 202 and an annular second inner step 104, the Hall sensor 40 and the magnet 50 are respectively embedded in the first inner step 202 and the second inner step 104, the elastic telescopic mechanism 30 and the reset groove 103 are respectively arranged on the first inner step 202 and the second inner step 104, the inner side wall of the second inner step 104 is interference-connected with a ball bearing, and one end of the fixing member extends into the inner hole of the ball bearing. The inner step group is used to install the magnet 50 and the Hall sensor 40, and is also used to set the reset groove 103 and the elastic telescopic mechanism 30.

[0046] like Figure 8-9 As shown, the vehicle also includes a handlebar, which includes an inner tube body 001 and a gripping sleeve 002 sleeved outside the inner tube body 001; the gripping sleeve 002 and the rotating member are separated structures, and on this basis, the gripping sleeve 002 has the following two solutions:

[0047] The first solution: the gripping sleeve 002 is fixedly connected to the inner tube body 001, and the rotating member is driven to rotate by turning the rotating member during use;

[0048] The second solution: the gripping sleeve 002 and the rotating member are an integrated structure, the gripping sleeve 002 and the inner tube 001 are rotated together, and the rotating member is rotated by rotating the gripping sleeve 002. The first solution is compact and can be turned separately, while the second solution is an integrated structure with the gripping sleeve 002, which is more convenient to turn.

[0049] The above is a detailed introduction to the titles provided by the utility model. Specific examples are used in this article to illustrate the principles and implementation methods of the utility model. The description of the above embodiments is only used to help understand the utility model and its core ideas. It should be pointed out that for ordinary technicians in this technical field, without departing from the principles of the utility model, the utility model can also be improved and modified. These improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A two-way finger-shifting structure, comprising a circular mounting member and a circular rotating member rotatably sleeved outside the mounting member, wherein a Hall sensor and a magnet are respectively arranged on the mounting member and the shifting member, wherein the Hall sensor is used to transmit a magnetic field change signal sensed by the rotating member after the rotating member rotates, and wherein the structure is characterized in that: An elastic telescopic mechanism is provided on the mounting member, and a circumferentially arranged reset groove is provided on the rotating member. The middle part of the reset groove gradually decreases toward both sides. One end of the elastic telescopic mechanism always rests against the bottom of the reset groove under the action of elastic force. When the rotating member is turned clockwise or counterclockwise and released, the rotating member rotates under the action of the elastic telescopic mechanism so that the middle part of the reset groove is located at the end of the elastic telescopic mechanism. The forward and reverse rotation of the rotating member in the original position is used to control the motor speed and the electronic brake strength respectively.

2. The bidirectional finger-shifting structure according to claim 1, characterized in that: The surface of the rotating part is provided with a plurality of strip-shaped teeth for increasing friction and extending in the axial direction.

3. The bidirectional finger-shifting structure according to claim 2, characterized in that: A circular arc groove is provided in the middle of the strip-shaped teeth for fitting with the fingers when the finger is moved.

4. The bidirectional finger-shifting structure according to claim 1, characterized in that: The bottom surface of the reset groove is provided with two sections of symmetrical spiral abutting surfaces, and one end of the elastic telescopic mechanism abuts against the abutting surfaces.

5. The bidirectional finger-shifting structure according to claim 4, characterized in that: The axial projections of the two abutting surfaces are in an arc shape, and the lateral projections of the two abutting surfaces are in a V shape.

6. The bidirectional finger-shifting structure according to claim 5, characterized in that: A smooth transition curved surface is provided at the junction of the two abutting surfaces, or the end of the elastic telescopic mechanism is a spherical surface.

7. The bidirectional finger-shifting structure according to claim 1, characterized in that: The elastic telescopic mechanism includes a positioning pin and an elastic spring. The elastic spring applies elastic force to the positioning pin so that one end of the positioning pin always rests against the bottom surface of the reset groove. The mounting piece is provided with an installation groove, and the elastic spring and the positioning pin are arranged in the installation groove.

8. The bidirectional finger-shifting structure according to claim 7, characterized in that: The side wall of the positioning pin is provided with a supporting platform, the elastic spring is sleeved on the positioning pin, one end of the elastic spring is against the bottom surface of the installation sink groove and the other end is against the supporting platform.

9. The bidirectional finger-shifting structure according to claim 1, characterized in that: The mounting member and the rotating member are provided with a group of relative inner step groups, the inner step group includes an annular first inner step and an annular second inner step, the Hall sensor and the magnet are respectively embedded in the first inner step and the second inner step, the elastic telescopic mechanism and the reset groove are respectively arranged on the first inner step and the second inner step, a ball bearing is interference-connected on the inner side wall of the second inner step, and one end of the fixing member extends into the inner hole of the ball bearing.

10. The bidirectional finger-shifting structure according to claim 1, characterized in that: It also includes a handlebar, which includes an inner tube body and a gripping sleeve sleeved outside the inner tube body; the gripping sleeve and the rotating part are of a separate structure, the gripping sleeve is fixedly connected to the inner tube body, and the rotating part is driven to rotate by turning the rotating part when in use; or the gripping sleeve and the rotating part are of an integrated structure, the gripping sleeve and the inner tube body are rotationally matched, and the rotating part is rotated by rotating the gripping sleeve when in use.

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