CN216611437U

CN216611437U - Balance car pedal assembly and balance car

Info

Publication number: CN216611437U
Application number: CN202122952902.3U
Authority: CN
Inventors: 倪海涛; 周永胜; 吴昊
Original assignee: Zhejiang Qike Robot Technology Co ltd
Current assignee: Zhejiang Qike Robot Technology Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-05-27
Anticipated expiration: 2031-11-29

Abstract

The utility model discloses a balance car pedal assembly which comprises a pedal, a blocking piece and a compression spring, wherein the blocking piece extends along one side of the pedal, the compression spring acts on the pedal and/or the blocking piece, and the blocking piece can trigger a connection signal and a disconnection signal of an inductive switch through the compression and the recovery of the compression spring. The utility model also discloses a balance car comprising the pedal assembly. According to the utility model, through the design of the pedal assembly, the structure of the balance car is simplified, the production process is optimized, and the assembly work is simplified, so that the production cost is reduced; original rubber is replaced by arranging a compression spring; the resilience of footboard is better, and the experience of balance car is better.

Description

Balance car pedal assembly and balance car

Technical Field

The utility model relates to a self-balancing vehicle, in particular to a balance vehicle pedal assembly and a balance vehicle.

Background

The operation principle of the electric balance vehicle, also called a somatosensory vehicle and a thinking vehicle, is mainly based on a basic principle called dynamic stability, a gyroscope and an acceleration sensor in the vehicle body are utilized to detect the change of the posture of the vehicle body, and a servo control system is utilized to accurately drive a motor to perform corresponding adjustment so as to keep the balance of the system.

The balance car usually has the function of detecting whether a user stands on the pedal, such as a contact switch structure, the stress change of the pedal is transmitted to the trigger part, and then the induction part of the induction switch detects whether the trigger part is triggered to judge whether the user stands on the pedal.

The existing balance car is usually provided with a blocking piece made of rubber material under the pedal to realize triggering of the inductive switch, the blocking piece can be made of rubber material, on one hand, the blocking piece can move the triggering portion to the position where the inductive switch can sense along with the pressure of the pedal, on the other hand, when the pressure on the pedal is evacuated, the triggering portion is reset to the initial position through the elasticity of the rubber material, and the triggering portion is away from the position where the inductive switch can sense. However, the customization cost of the rubber stopper is high, the stopper made of the rubber material is easy to bring fatigue and aging risks after being used for a period of time, and the trigger part cannot be completely reset only by the elasticity of the stopper, so that the control performance of the balance car is poor.

Disclosure of Invention

In order to solve the technical problems, the utility model aims to provide a balance car pedal assembly which is simple in structure and low in cost.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a balance car footboard subassembly, includes the footboard and follows the stopper that footboard one side extended, still includes compression spring, compression spring acts on footboard and/or stopper, can pass through compression and the recovery of compression spring for it triggers the switch-on and switch-off signal of inductive switch to block.

Optionally, the pedal and the blocking member are integrally formed.

Optionally, the trigger inductive switch is a photoelectric inductive switch.

Optionally, the inductive switch is located on the back of the control board.

Optionally, the blocking member sequentially includes a mounting post and a triggering portion from a side close to the pedal to a side far away from the pedal, and when the blocking member senses pressure from the pedal, the blocking member drives the triggering portion to move in a direction of the pressure, so as to trigger the inductive switch to send out a corresponding signal when the pedal is detected to be pressed.

Optionally, the pedal is provided with a supporting part matched with a compression spring.

Optionally, the initial height H of the installed compression spring is less than or equal to the length L of the spring in an unstressed state.

The utility model also provides a technical scheme 1 of the balance car, which comprises the pedal assembly in one of the technical schemes.

Optionally, technical scheme 1 of aforementioned balance car still includes the upper cover, both sides wheel is connected to the upper cover, the position department that corresponds with blockking piece on the upper cover is equipped with the recess, be equipped with the through-hole that supplies trigger part to pass through in the recess, still be equipped with on the recess and be used for bearing the weight of compression spring wherein the portion of bearing of one end, compression spring locates in the recess, be equipped with on the footboard with compression spring other end matched with support to the portion.

Optionally, the upper cover is further provided with an accommodating cavity matched with the pedal, so that the mounting position of the pedal can be limited.

Optionally, technical scheme 1 of aforementioned balance car still includes supporting framework and upper cover, the both sides wheel is connected to the supporting framework, the last position department that corresponds with blockking of supporting framework is equipped with the recess, be equipped with the through-hole that supplies trigger part to pass through in the recess, still be equipped with on the recess and be used for bearing the bearing part of compression spring wherein one end, compression spring locates in the recess, be equipped with on the footboard with compression spring other end matched with support to the portion.

Optionally, the supporting framework is further provided with an accommodating cavity matched with the pedal, and the mounting position of the pedal can be limited.

Optionally, the balance car of any one of the above technical solutions further comprises a rubber pad, and the rubber pad is attached to the surface of the pedal.

Optionally, technical scheme 1 of the balance car further includes a supporting frame and an upper cover, the supporting frame is connected with wheels on two sides, a groove is formed in a position, corresponding to the blocking piece, of the supporting frame, a through hole is formed in the groove and used for allowing the triggering portion to pass through, a bearing portion used for bearing one end of the compression spring is further arranged on the groove, the compression spring is arranged in the groove, a supporting portion matched with the other end of the compression spring is arranged on the pedal, the balance car further includes a rubber pad, the supporting frame is fixedly connected with the upper cover, a first connecting portion is arranged on the upper cover, a second connecting portion is arranged on the rubber pad, and the first connecting portion and the second connecting portion are matched and fixedly connected with the upper cover and the rubber pad.

Optionally, in technical scheme 1 of the balance car, the balance car further comprises a support frame and an upper cover, the support frame is connected with wheels on two sides, a groove is formed in a position, corresponding to the blocking piece, of the support frame, a through hole for the triggering portion to pass through is formed in the groove, a bearing portion for bearing one end of the compression spring is further formed in the groove, the compression spring is arranged in the groove, and a leaning portion matched with the other end of the compression spring is formed in the pedal; the supporting framework is also provided with an accommodating cavity matched with the pedal, and the mounting position of the pedal can be limited; the supporting framework is fixedly connected with the upper cover, the upper cover is provided with a first connecting portion, the rubber pad is provided with a second connecting portion, and the first connecting portion and the second connecting portion are matched and fixedly connected with the upper cover and the rubber pad. Optionally, the first connecting portion and the second connecting portion are matched to fixedly connect the upper cover and the rubber pad, and the position of the rubber pad is limited, so that the position of the blocking piece is positioned after the rubber pad and the pedal are fixed.

Compared with the prior art, the utility model has the following beneficial effects: the design of the pedal assembly simplifies the structure of the balance car, optimizes the production process and simplifies the assembly work, thereby reducing the production cost; the original rubber is replaced by the arrangement of a compression spring; the rebound resilience of the pedal is better, and the experience of the balance car is better; the elasticity of the compression spring can be adjusted according to the feedback of the foot feeling of the customer at any time, and customized balance cars can be provided for different customers.

Drawings

FIG. 1 is an exploded view of a balance car according to an embodiment;

FIG. 2 is a cross-sectional view of a balance car according to an embodiment;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is an enlarged view at B in FIG. 3;

FIG. 5 is a perspective view of the rubber pad of the present invention;

in the figures, the reference numbers are: 1-upper cover, 2-support framework, 3-lower cover, 4-pedal assembly, 41-pedal, 411-blocking piece, 421-compression spring, 412-mounting column, 413-triggering part, 414-abutting part, 5-groove, 6-bearing part, 7-containing cavity, 8-rubber pad, 81-first connecting part, 82-second connecting part, 83-through groove, control panel-91 and induction switch-92.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," "retained," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

For convenience of expression, the horizontal direction parallel to the straight running direction of the balance car is taken as the front-back direction, the horizontal direction perpendicular to the straight running direction of the balance car is taken as the left-right direction, and the vertical direction perpendicular to the straight running direction of the balance car is taken as the up-down direction.

Example 1

The balance car shown in fig. 1 to 5 comprises an upper cover 1, a supporting framework 2, a lower cover 3, a pedal assembly 4, a compression spring 421 and a pressing member, wherein the pedal assembly 4 comprises a pedal 41 and a blocking member 411 extending along one side of the pedal 41, the compression spring 421 acts on the pedal 41 and/or the blocking member 411, and the blocking member 411 can trigger the connection and disconnection signals of the inductive switch 92 through the compression and recovery of the compression spring 421.

In this embodiment, the blocking member 411 extends downward from the position of the pedal 41.

In the embodiment, the pedal 41 and the blocking member 411 are integrally formed, so that the structure of the balance car is simplified, the production cost and the assembly cost can be effectively reduced, meanwhile, the integrally formed structure is not easy to damage, and the maintenance is more convenient; in other embodiments, the pedal 41 and the blocking member 411 may be bolted, snapped, glued, etc.; in other embodiments, the compression spring 421 may also act on the blocking member 411.

In the present embodiment, the inductive switch 92 is a photoelectric inductive switch; in other embodiments, the trigger sensing switch 92 may also be a hall sensing switch, a pressure sensing switch.

The inductive switch 92 is located at the back of the control board 91 in this embodiment, that is, the inductive switch 92 is fixed at the side of the control board 91 without circuit elements, and is specifically configured as shown in the control board 91 in fig. 1. In other embodiments, the inductive switch 92 may be disposed separately from the control board 91 and electrically connected thereto.

In this embodiment, the blocking member 411 includes a mounting post 412 and a triggering portion 413 in sequence from a side close to the pedal 41 to a side far from the pedal 41. When the blocking member 411 senses the pressure from the pedal 41, the triggering portion 413 is driven to move in the direction of the pressure, so as to trigger the sensing switch 92 to send a signal corresponding to the detection of the pressure on the pedal 41. The sensing switch 92 is a common technical means for those skilled in the art to send out the detection signal, and will not be described in detail.

In the present embodiment, the mounting post 412 and the triggering portion 413 are integrally formed, and the end of the triggering portion 413 is flat and is located at the lower part of the mounting post 412; when a user stands on the balance car, the trigger part 413 can block the signal transmission between the transmitting end and the receiving end of the inductive switch 92; the reinforcing ribs are arranged around the trigger part 413, so that the strength of the trigger part 413 can be increased, and the service life of the trigger part 413 can be prolonged. In other embodiments, the mounting post 412 and the trigger 413 may be separate bodies and secured to the mounting post 412 by known means such as fasteners, welding, riveting, snapping, inserting, etc.

In the present embodiment, the mounting post 412 can perform a certain limiting function on the compression spring 421, and since the triggering portion 413 is generally long, it is easily broken during transportation, installation, and the like after being integrally formed with the pedal 41, and the strength of the triggering portion 413 is improved by providing a reinforcing rib between the mounting post 421 and the triggering portion 413. In addition, the maximum distance of the pedal 61 moving towards the direction of the inductive switch 92 when the pedal is stressed can be limited by matching with the bearing part 6 or other components arranged on the bearing part 6, so that the tip of the trigger part 413 is prevented from damaging the inductive switch 92 (such as the inductive part of the photoelectric inductive switch) due to the overlong displacement distance. In other embodiments, one skilled in the art may omit the mounting post 412 structure and implement the function of the mounting post 412 with other structural components, or portions.

In this embodiment, the pedal 41 is provided with an abutting portion 414 matched with the compression spring 421. In this embodiment, the abutting portion 414 is a cylindrical step extending downward from the lower portion of the pedal 41, the lower portion of the abutting portion 414 is connected to the mounting post 412, and the upper portion of the compression spring 421 acts on the abutting portion 414; in other embodiments, the abutting portion 414 can be fixedly disposed around the lower portion of the pedal 41 or the mounting post 412 by a known method such as fastening, welding, riveting, clipping, plugging, etc., and the shape of the abutting portion 414 can be other shapes that facilitate abutting against the compression spring 421. In other embodiments, the abutting portion 414 may not be provided, and one end of the compression spring 421 abuts directly against the pedal 41.

The initial height H of the compression spring 421 after installation is less than or equal to the length L of the spring in an unstressed state. In this embodiment, after the compression spring 421 is installed, when there is no user on the balance car, the compression spring 421 is in a compressed state, i.e. H is less than L; the compression spring 421 pushes up the pedal 41 and the blocking member 411 under its own elastic force, so that the blocking member 411 and the inductive switch 92 are in an unfired state.

It should be noted that, in other embodiments, the balance car may not include the supporting frame 2, and only includes the upper cover 1 and the lower cover 3, wherein the pedal assembly 4 is connected to the wheels on two sides of the upper cover 1, a groove 5 is disposed at a position on the upper cover 1 corresponding to the blocking member 411, a through hole for passing the triggering portion 413 is disposed in the groove 5, a bearing portion 6 for bearing one end of the compression spring 421 is further disposed on the groove 5, the compression spring 421 is disposed in the groove 5, and the pedal 41 is provided with the abutting portion 414 matching with the other end of the compression spring 421.

In this embodiment, the groove 5 is a circular groove formed by extending the upper cover 1 downward, and the diameter of the abutting portion 414 is slightly smaller than that of the groove 5, and can slide up and down in the groove 5; the bearing part 6 is a convex edge integrally formed with the groove 5 and is used for abutting against the lower part of the compression spring 421; in other embodiments, the bearing part 6 may be a part fixed inside the groove 5 in other ways for abutting against the compression spring 421, in this embodiment, the through hole is located at the bottom of the groove 5 and is shaped as a hole matching with the cross-sectional shape of the trigger part 413; in other embodiments, the through hole may be in the shape of a hole for the trigger 413 to pass through.

The upper cover 1 is also provided with an accommodating cavity 7 matched with the pedal 41, and the installing position of the pedal 41 can be limited. In the present embodiment, the outline of the accommodating cavity 7 is similar to that of the pedal 41, so that the pedal 41 can be partially embedded in the accommodating cavity 7, and the displacement of the pedal 41 in the horizontal direction and the vertical direction is limited.

The balance car of this embodiment still includes rubber pad 8, rubber pad 8 laminating is in footboard 41 surface. The rubber pad 8 is attached to the upper part of the pedal 41 in a manner of gluing and buckling connection, and the buckle shown in an exploded view also has a positioning effect on the installation of the rubber pad 8 and the pedal 41, so that the installation efficiency is improved; in other embodiments, the rubber pad 8 can be fixedly disposed on the pedal 41 by known means such as fasteners, rivets, snaps, plugs, and the like.

When the user stands on the balance car, the pedal 41 is pressed, the blocking member 411 senses the pressure from the pedal 41 and moves towards the sensing switch 92, so as to trigger the sensing switch 92 to send a corresponding signal. In this embodiment, the pedal 41 drives the mounting post 412 and the triggering portion 413 to move downward, and the end of the triggering portion 413 reaches between the emitting end and the receiving end of the photoelectric sensing switch 92, so as to trigger the sensing switch 92; the compression spring 421 is arranged below the pedal 41 to replace a rubber part in the existing scheme, so that the early investment is small and the mold opening is not needed; compression spring 421 structural installation is simple, and elasticity can be according to customer's feel feedback adjustment at any time, promotes to use and experiences.

It should be noted that in other embodiments, the form of the supporting framework 2 is not limited to a fixed shape or number, for example, the supporting framework 2 may be formed integrally with the upper cover 1 in the form of a rib plate to enhance the bearing capacity of the balance car; for example: the supporting framework 2 can be composed of one or two, when the supporting framework 2 is one, the left side of the balance car is provided with the upper cover 1, the supporting framework 2 and the lower cover 3, and the right side of the balance car is provided with the upper cover 1 and the lower cover 3; when the number of the supporting frameworks is two, the left side and the right side of the balance car are in the forms of an upper cover 1, a supporting framework 2 and a lower cover 3.

In this embodiment, the supporting frame 2 is fixedly connected to the upper cover 1, the upper cover 1 is provided with a first connecting portion 81, and the rubber pad 8 is provided with a second connecting portion 82, as shown in fig. 4, the first connecting portion 81 and the second connecting portion 82 are matched and fixedly connected to the upper cover 1 and the rubber pad 8, and the position of the rubber pad is limited, so that after the rubber pad 8 is fixed to the pedal, the position of the blocking member 411 is located.

In this embodiment, the upper cover 1 is provided with a through slot 83 for the pedal 41 to pass through, and the first connecting portion 81 is a convex strip formed by bending downward along the through slot 83 and integrally formed with the upper cover 1; the second connecting part 82 is a clamping groove which is arranged on the rubber gasket 8 and is used for being matched with the convex strip; in the actual use process, the clamping grooves in the rubber gasket 8 are connected with the convex strips to fix the edge of the rubber gasket 8 and the upper cover 1, but the rubber gasket 8 still can move up and down in the through grooves 83 through the elasticity of the rubber gasket 8; in other embodiments, the first connection portion 81 and the second connection portion 82 can be fixed to the rubber pad 8 by a fastener, riveting, clamping, or other methods.

Specifically, the supporting framework 2 is fixed with the upper cover 1, the upper cover 1 is fixed with the rubber pad 8 through the first connecting portion 81 and the second connecting portion 82, the rubber pad 8 is fixed with the pedal 41, the pedal 41 is installed in the accommodating cavity 7 in the horizontal direction, the rubber pad 8 is matched and limited in the through groove 83 through the first connecting portion 81 and the second connecting portion 82, and as the accommodating cavity 7 is close to the outline of the pedal 41, and the through groove 83 is close to the outline of the rubber pad 8, the displacement of the pedal 41 and the rubber pad 8 in the horizontal direction is very small and can be ignored; in the vertical direction, when a user is on the balance car, the rubber pad 8 deforms downwards to press the pedal 41, so that the blocking part 411 is driven to move downwards to trigger the inductive switch 92, when the user leaves the balance car, the rubber pad 8 recovers upwards under the action of elasticity of the user, so that the pedal 41 is driven to reset upwards, meanwhile, the compression spring 421 drives the blocking part 411 to reset, and the blocking part 411 is disconnected from the inductive switch 92; then, the balance car is controlled subsequently; rubber pad 8 utilizes elasticity of self and compression spring 421 to the restoring force of footboard 41, and combined action footboard 41 auxiliary rubber pad 8 resets, has effectively improved the precision of contact switch simultaneously, promotes balance car's the performance of controlling.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a balance car footboard subassembly which characterized in that includes the footboard and follows the stopper that footboard one side extended, still includes compression spring, compression spring acts on footboard and/or stopper, can pass through compression and the recovery of compression spring for the stopper triggers inductive switch's UNICOM and signal of disconnection.

2. The pedal assembly of claim 1 wherein the pedal is integrally formed with the stop.

3. The pedal assembly in accordance with claim 1 wherein the trigger-sensitive switch is a photoelectric-sensitive switch.

4. The pedal assembly of claim 1 wherein the inductive switch is located on a back side of the control panel.

5. The pedal assembly as set forth in claim 1, wherein said blocking member comprises a mounting post and a triggering portion in sequence from a side close to the pedal to a side away from the pedal, and when the blocking member senses a pressure from the pedal, the blocking member drives the triggering portion to move in a direction of the pressure, thereby triggering the sensor switch to emit a signal corresponding to the detection of the pedal being pressed.

6. The pedal assembly of claim 1 wherein the pedal is provided with a compression spring cooperating abutment.

7. The pedal assembly in accordance with claim 1 wherein the initial height H of the compression spring after installation is less than or equal to the length L of the spring in an unstressed state.

8. A balance vehicle comprising a pedal assembly as claimed in any one of claims 1 to 7.

9. The balance car of claim 8, further comprising an upper cover, wherein the upper cover is connected with the wheels on two sides, a groove is formed in the position, corresponding to the blocking piece, of the upper cover, a through hole for the triggering portion to pass through is formed in the groove, a bearing portion for bearing one end of the compression spring is further arranged on the groove, the compression spring is arranged in the groove, and a butting portion matched with the other end of the compression spring is arranged on the pedal.

10. The balance vehicle of claim 9, wherein the upper cover is further provided with a containing cavity matched with the pedal, and the installation position of the pedal can be limited.

11. The balance car of claim 8, further comprising a supporting framework and an upper cover, wherein the supporting framework is connected with the wheels at two sides, a groove is formed in the supporting framework at a position corresponding to the blocking piece, a through hole for the triggering portion to pass through is formed in the groove, a bearing portion for bearing one end of the compression spring is further arranged on the groove, the compression spring is arranged in the groove, and a propping portion matched with the other end of the compression spring is arranged on the pedal.

12. The balance vehicle of claim 11, wherein the support frame further comprises a receiving cavity matched with the pedal, and the receiving cavity can define a pedal mounting position.

13. The balance car of any one of claims 8 to 12, further comprising a rubber pad attached to the surface of the pedal.

14. The balance car of claim 11 or 12, further comprising a rubber pad, wherein the supporting frame is fixedly connected with the upper cover, the upper cover is provided with a first connecting portion, the rubber pad is provided with a second connecting portion, and the first connecting portion and the second connecting portion are matched and fixedly connected with the upper cover and the rubber pad.

15. The balance car of claim 14, wherein the first connecting portion and the second connecting portion cooperate to fixedly connect the upper cover rubber pad and define a rubber pad position, so that the rubber pad is fixed with the pedal position, thereby positioning the blocking member position.