CN216580834U

CN216580834U - Slewing mechanism and balance car of balance car

Info

Publication number: CN216580834U
Application number: CN202123239662.9U
Authority: CN
Inventors: 聂爱琴; 朱可可
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-05-24
Anticipated expiration: 2031-12-22

Abstract

The utility model provides a rotating mechanism of a balance car, which comprises at least two bearings, a connecting shaft and two fixing sleeves, wherein the two bearings are arranged on the connecting shaft at intervals, the two fixing sleeves are respectively arranged at two ends of the connecting shaft, and the fixing sleeves are respectively provided with a connecting groove matched with the bearings and a limiting mechanism used for limiting the rotating range of the connecting shaft, so that the fixing sleeves can rotate relative to the connecting shaft under the action of the bearings. A balance car comprises an upper cover, a lower cover, a driving motor and a rotating mechanism. The utility model has the advantages that the two ends of the connecting shaft are respectively provided with the fixed seat and the plurality of bearings, so that the left side and the right side of the balance car can independently rotate relative to the connecting shaft, the rotation flexibility of the balance car can be improved, the abrasion of the bearings is reduced, and the service life is prolonged.

Description

Slewing mechanism and balance car of balance car

Technical Field

The utility model relates to the field of balance cars, in particular to a rotating mechanism of a balance car and the balance car.

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.

At present, the upper cover and the lower cover of the balance car are made of plastics, the upper cover and the lower cover are covered on a bearing or a middle rotating shaft to be fixed, the connecting structure between a left car body and a right car body is weak, the other end of one end of the rotating shaft is fixed to rotate, the bearing is fast in abrasion, and the rotation flexibility is poor.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to provide a rotating mechanism of a balance car and a balance car which solve the above problems.

In order to achieve the above object of the present invention, the present invention is realized by the following technical solutions:

the utility model provides a slewing mechanism of balance car, includes bearing, connecting axle and fixed cover, the bearing is equipped with two at least to the interval is installed extremely on the connecting axle, fixed cover is equipped with two, installs extremely respectively the both ends of connecting axle, fixed cover be equipped with the spread groove of bearing adaptation with be used for injecing the stop gear of the rotation range of connecting axle makes fixed cover can be relative under the effect of bearing the connecting axle rotates, and the both ends of connecting axle all can be fixed cover relatively and rotate to slow down the wearing and tearing of bearing.

Preferably, the limiting mechanism comprises a notch and a fixed shaft, the notch is arranged on the connecting shaft and extends along the circumferential direction of the connecting shaft, the fixed shaft is fixed on the fixed sleeve and can stretch into the notch, when the connecting shaft rotates, the fixed shaft is arranged in the notch, the fixed shaft moves to the position corresponding to the end part of the notch, the connecting shaft stops rotating, and the fixed sleeve at two ends is prevented from rotating at an overlarge angle.

Preferably, the width of the inner cavity of the fixing sleeve is larger than the diameter of the connecting shaft, the fixing sleeve is provided with an arc-shaped bearing part for bearing the connecting shaft and a stop block for preventing the connecting shaft from transversely moving and dislocating, and the rotating resistance is reduced through the bearing part.

Preferably, the outer surface of the fixing sleeve is provided with a positioning part which is an arc-shaped boss or a plane boss, and the fixing sleeve is arranged below the connecting shaft or integrally surrounds the circumferential direction of the connecting shaft, so that the rotating mechanism can be conveniently installed on the balance car.

Preferably, the connecting shaft is provided with the notches in bilateral symmetry, and the rotation of the fixing sleeve on the corresponding side can be limited independently.

Preferably, the connecting shaft is arranged in a hollow mode and made of metal, so that the balance car can be conveniently wired, and the strength of the connecting shaft can be improved.

The utility model provides a balance car, includes upper cover, lower cover, driving motor and as above-mentioned slewing mechanism, the upper cover is including becoming symmetrical arrangement and left upper cover and the right upper cover that can the mutual rotation, the lower cover is including becoming symmetrical arrangement and left lower cover and the right lower cover that can the mutual rotation, slewing mechanism's both ends respectively with left side upper cover/left lower cover with right side upper cover/right lower cover are connected, make the equal relative connecting axle rotation of the left and right sides of balance car, when reducing bearing wear, still can promote and rotate the flexibility.

Preferably, the upper cover is provided with a plurality of screw seats, the corresponding position of the fixed sleeve is provided with a lug, and the screw seats are respectively used for fixedly connecting the fixed sleeve and the lower cover through screws, so that the installation of a rotating mechanism is facilitated.

Preferably, the upper cover is provided with a groove or an arc-shaped baffle plate for clamping or fixing the bearing, so that the outer side of the bearing is convenient to fix, and the balance car and the connecting shaft can rotate relatively.

Preferably, the middle parts of the upper cover and the lower cover are provided with notches, and the notches are provided with handles. The balance car is convenient to carry.

The beneficial effects of the utility model include: compared with the prior art, the two ends of the connecting shaft are respectively provided with the fixing seat and the bearings, so that the left side and the right side of the balance car can independently rotate relative to the connecting shaft, the rotation flexibility of the balance car can be improved, the abrasion of the bearings is reduced, and the service life is prolonged.

Drawings

Fig. 1 is an exploded view of the rotating mechanism of the present invention.

Fig. 2 is an overall schematic view of the balance car of the utility model.

Fig. 3 is a schematic cross-sectional view of the balance car of the present invention.

Fig. 4 is a schematic view of the upper cover of the present invention.

Detailed Description

In order to make those skilled in the art better understand the solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all of it. All other embodiments that can be obtained by a person skilled in the art based on the embodiments of the present invention without any inventive step shall fall within the scope of the present invention.

The terms "comprises" and "comprising," and any variations thereof, in the description and claims of this specification and the above-described drawings, are intended to cover a non-exclusive inclusion, such that a list of elements, processes, systems, articles, or devices is not necessarily limited to the particular list of elements, systems, articles, or devices, but may include other elements, processes, products, or devices not expressly listed or inherent to such elements, processes, articles, or devices.

The terms "mounted," "disposed," "provided," "connected," and "nested" in the description and claims of the utility model and the above-described drawings are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations. When an installation is described as being "connected" or "connected," it can be directly connected or indirectly connected through intervening components. If not indicated otherwise, a component "disposed on," "disposed on," or "connected to" another component does not exclude the two components from being integrally formed.

Furthermore, spatially relative terms, such as bottom, top, and the like, may be used to describe one element and/or feature's relationship to another element(s) and/or feature(s), such as is illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use and/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 "front" may be oriented "back" to other elements or features. The device may be otherwise oriented (e.g., rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Referring to fig. 1-4, a rotating mechanism 1 of a balance car comprises bearings 2, a connecting shaft 3 and two fixing sleeves 4, wherein the bearings 2 are arranged at least two and are mounted on the connecting shaft 3 at intervals, the two fixing sleeves 4 are respectively mounted at two ends of the connecting shaft 3, the fixing sleeves 4 are provided with connecting grooves 5 matched with the bearings 2 and limiting mechanisms used for limiting the rotating range of the connecting shaft 3, and the fixing sleeves 4 can rotate relative to the connecting shaft 3 under the action of the bearings 2.

In this embodiment, two ends of the fixed sleeve 4 are respectively provided with one connecting groove 5, the bearings 2 are four and are respectively mounted at the connecting grooves 5, the outer ends of the bearings 2 are fixedly connected with the connecting grooves 5, the inner ends of the bearings are fixedly connected with the connecting shaft 3, so that the fixed sleeve 4 can rotate relative to the connecting shaft 3 under the action of the bearings 2, in other embodiments, the number of the bearings 2 can be set to five or six, and the like, and the number of the bearings 2 is increased, so that the abrasion of the single bearing 2 can be reduced.

Specifically, stop gear includes notch 6 and fixed axle 7, and notch 6 sets up on connecting axle 3 and extends along the circumference of connecting axle 3, and fixed axle 7 fixes on fixed cover 4 and can stretch into in notch 6, and when connecting axle 3 rotated, fixed axle 7 removed in notch 6, when fixed axle 7 removed to support with 6 tip of notch, connecting axle 3 stall.

In the above embodiment, the fixing sleeve 4 is tubular or semi-tubular, the tubular sleeve is sleeved on the outer side of the connecting shaft 3 to form an outer tube, the semi-tubular sleeve is U-shaped in cross section and surrounds part of the connecting shaft 3, the width of the inner cavity of the fixing sleeve 4 is greater than the diameter of the connecting shaft 3, and the fixing sleeve 4 is provided with a plurality of arc-shaped supporting parts 8 for supporting the connecting shaft 3 and stop blocks 9 located at two ends and used for preventing the connecting shaft 3 from shifting laterally.

Preferably, the fixed sleeve 4 is arranged below the connecting shaft 3, the outer surface of the fixed sleeve 4 is provided with a positioning part 10, and the positioning part 10 is an arc-shaped boss or a plane boss, so that the fixation with the balance car is facilitated.

In order to realize the rotation limit of the independent fixed sleeve 4 and the connecting shaft 3, notches 6 are symmetrically arranged at the left side and the right side of the connecting shaft 3.

Preferably, connecting axle 3 cavity sets up, and the line of walking of the balance car of being convenient for makes the electric wire wearing and tearing even fracture when preventing to rotate between balance car and the connecting axle 3, and connecting axle 3 is made by metal material, the intensity of multiplicable connection.

In the above embodiment, the rotating mechanism 1 is suitable for a balance car, the balance car includes an upper cover, a lower cover, a driving motor and the rotating mechanism 1, the upper cover includes a left upper cover 11 and a right upper cover 12 which are symmetrically arranged and can rotate mutually, the lower cover includes a left lower cover 13 and a right lower cover 14 which are symmetrically arranged and can rotate mutually, the left upper cover 11 and the left lower cover 13 form a left car body, the right upper cover 12 and the right lower cover 14 form a right car body, the left car body and the right car body are connected through the rotating mechanism 1, and two ends of the rotating mechanism 1 are respectively fixed with the left upper cover 11/the left lower cover 13 and the right upper cover 12/the right lower cover 14.

Preferably, the upper cover is provided with a plurality of screw seats 15, corresponding positions of the fixed sleeve 4 are provided with lugs 16, screw holes are arranged in the lugs 16, the screw seats 15 respectively fixedly connect the fixed sleeve 4 and the lower cover through screws, the upper cover is provided with a groove or an arc-shaped baffle 17 for clamping or fixing the bearing 2 of the shaft 7, and the lower cover is provided with a groove for clamping or fixing the positioning part 10.

Preferably, a notch 18 is formed at the middle part of the upper cover and the lower cover, namely, at the end of the left vehicle body and the right vehicle body which are close to each other, and a handle 19 which is convenient to carry is arranged in the notch 18.

The above description of the present invention is intended to be illustrative. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a slewing mechanism of balance car, its characterized in that, includes bearing, connecting axle and fixed cover, the bearing is equipped with two at least to the interval is installed extremely on the connecting axle, fixed cover is equipped with two, installs respectively extremely the both ends of connecting axle, fixed cover be equipped with the spread groove of bearing adaptation with be used for injecing the stop gear of the rotation range of connecting axle makes fixed cover can be relative under the effect of bearing the connecting axle rotates.

2. The rotating mechanism of a balance car according to claim 1, wherein the limiting mechanism includes a notch and a fixed shaft, the notch is disposed on the connecting shaft and extends along a circumferential direction of the connecting shaft, the fixed shaft is fixed on the fixed sleeve and can extend into the notch, when the connecting shaft rotates, the fixed shaft moves in the notch, and when the fixed shaft moves to abut against an end of the notch, the connecting shaft stops rotating.

3. The rotating mechanism of balance car as claimed in claim 2, wherein the width of the inner cavity of the fixing sleeve is larger than the diameter of the connecting shaft, and the fixing sleeve is provided with an arc-shaped supporting part for supporting the connecting shaft and a stop for preventing the connecting shaft from moving laterally and dislocating.

4. The rotating mechanism of a balance car according to claim 3, wherein the outer surface of the fixing sleeve is provided with a positioning portion, the positioning portion is an arc-shaped boss or a plane boss, and the fixing sleeve is disposed below the connecting shaft or integrally surrounds the connecting shaft in the circumferential direction.

5. The rotating mechanism of the balance car according to claim 4, wherein the connecting shaft is provided with the notches in a left-right symmetry manner.

6. The turning mechanism of a balance car according to claim 5, wherein the connecting shaft is hollow and made of metal.

7. A balance car, characterized by comprising an upper cover, a lower cover, a driving motor and the rotating mechanism according to any one of claims 1 to 6, wherein the upper cover comprises a left upper cover and a right upper cover which are symmetrically arranged and can rotate mutually, the lower cover comprises a left lower cover and a right lower cover which are symmetrically arranged and can rotate mutually, and two ends of the rotating mechanism are respectively connected with the left upper cover/left lower cover and the right upper cover/right lower cover.

8. The balance car of claim 7, wherein the upper cover is provided with a plurality of screw seats, corresponding positions of the fixing sleeve are provided with lugs, and the screw seats fixedly connect the fixing sleeve and the lower cover through screws respectively.

9. The balance car of claim 8, wherein the upper cover is provided with a groove or arc-shaped baffle for clamping or fixing the bearing.

10. The balance car of claim 7, wherein a gap is formed in the middle of the upper cover and the lower cover, and a handle is arranged in the gap.