CN217805083U

CN217805083U - Balance car with back shaft

Info

Publication number: CN217805083U
Application number: CN202221854276.2U
Authority: CN
Inventors: 聂爱琴; 朱可可
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-11-15
Anticipated expiration: 2032-07-04

Abstract

The utility model provides a balance car with back shaft, including left lid, right lid and slewing mechanism, the left end of left side lid is equipped with left wheel, the right-hand member of right side lid is equipped with right wheel, left side lid with use between the right side lid the rotatable connection of slewing mechanism, slewing mechanism includes the back shaft, the back shaft is worn to locate along the horizontal direction between left side lid and the right side lid, at least part the back shaft sets up to hollow tubulose, one of them tip of back shaft is equipped with the depressed part, the depressed part has bilayer structure. The utility model has the advantages of connect left lid and right lid through a back shaft rotation, the structure is simpler, and stamping forming has the depressed part on the back shaft, and the depressed part has the structure of double-deck pipe wall, when connecting left lid and left axletree, intensity is higher, uses more stable.

Description

Balance car with back shaft

Technical Field

The utility model belongs to the technical field of balance car technique and specifically relates to indicate a balance car with back shaft.

Background

Along with the continuous improvement of living standard of people, people pay more and more attention to the improvement of living quality, body-building, leisure and entertainment become an indispensable part of people's life, various forms of body-building and entertainment apparatuses emerge endlessly, the balance car convenient to operate becomes the trend of modern young people to ride instead of walk, and the balance car is popular to people through the characteristics of small size, attractive appearance and flexible operation. The existing balance car is generally composed of a left car body and a right car body, and the rotating structure between the left car body and the right car body is complex and needs to be further optimized.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a solve the balance car with back shaft of above-mentioned problem.

In order to achieve the above object, the present invention provides a method for manufacturing a semiconductor device, comprising:

the utility model provides a balance car with back shaft, includes left side lid, right side lid and slewing mechanism, the left end of left side lid is equipped with left wheel, the right-hand member of right side lid is equipped with right wheel, a left side lid with use between the right side lid the rotatable connection of slewing mechanism, slewing mechanism includes the back shaft, the back shaft is worn to locate along the horizontal direction between left side lid and the right side lid, at least part the back shaft sets up to hollow tubulose, one of them tip of back shaft is equipped with the depressed part, the depressed part has bilayer structure.

Preferably, the pipe wall of the support shaft in the vertical direction is close to/attached to form the concave part after being stamped by external force, and the cross section of the concave part is arc-shaped.

Preferably, the right side of left wheel is equipped with left axletree, left axletree stretch into behind the left side lid with depressed part fixed connection, the depressed part encloses and closes the outside of left axletree.

Preferably, the depth of the left axle inserted into the recess is smaller than the length of the entire recess, and the recess other than the left axle forms an abdicating space.

Preferably, the left cover comprises a left upper cover and a left lower cover, a left bearing is arranged between the left wheel and the left axle, the left axle is fixedly connected with the left upper cover through a left pressing plate, and the recessed portion and the left pressing plate are respectively positioned on the upper side and the lower side of the left axle.

Preferably, the left axle is provided with a first rotation stopping portion, the left pressing plate is provided with a second rotation stopping portion, the first rotation stopping portion and the second rotation stopping portion are matched to enable the left axle to be circumferentially fixed between the left cover, the left axle is further provided with a stopping portion, the left pressing plate is further provided with a stopping groove, and the stopping portion and the stopping groove are matched to enable the left axle to be axially fixed between the left cover.

Preferably, the right cover comprises a right upper cover and a right lower cover, the rotating mechanism further comprises a supporting seat, the supporting seat is fixedly connected with the right upper cover, the right end of the supporting shaft is arranged between the supporting seat and the right upper cover, and the supporting shaft can rotate relative to the supporting seat/the right cover.

Preferably, the right end of the supporting shaft is provided with a limiting rod, the right upper cover is provided with a limiting groove matched with the limiting rod, and two inner side walls in the length direction of the limiting groove respectively limit the relative rotating limit positions of the left cover and the right cover.

Preferably, a support strip made of metal is arranged between the rotating mechanism and the right wheel, and the support strip is clamped between the right upper cover and the support seat.

Preferably, the right wheel is equipped with the right axletree, the right wheel with be equipped with right bearing between the right axletree, the left end of right axletree stretches into in the right lid, the upper right cover with be equipped with right clamp plate between the right axletree, right clamp plate with upper right cover/spliced pole fixed connection, the right-hand member clamp of support bar is established right clamp plate with between the upper right cover.

The beneficial effects of the utility model include: compared with the prior art, rotate through a back shaft and connect left side lid and right side lid, the structure is simpler, and stamping forming has the depressed part on the back shaft, and the depressed part has the structure of double-deck pipe wall, when connecting left side lid and left axletree, intensity is higher, uses more stably.

Drawings

Fig. 1 is the explosion schematic diagram of the utility model discloses balance car.

Fig. 2 is a schematic view of a first section of the balance car of the present invention.

Fig. 3 is a schematic view of the main body of the rotating mechanism of the present invention.

Fig. 4 is an explosion diagram of the rotating mechanism of the present invention.

Fig. 5 is a schematic second cross-sectional view of the balance car of the present invention.

Fig. 6 is an overall schematic view of the support seat of the present invention.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

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

The terms "mounted", "provided", "connected" and "sleeved" in the description and claims of the present invention and the above-mentioned drawings should be interpreted 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 meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art. 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. 1-6, a balance car with a supporting shaft, including a left cover 1, a right cover 2 and a rotating mechanism 3, a left wheel 4 is disposed at the left end of the left cover 1, a right wheel 5 is disposed at the right end of the right cover 2, the right end of the left cover 1 and the left end of the right cover 2 are rotatably connected through the rotating mechanism 3, the left cover 1 includes a left upper cover 6 and a left lower cover 7, the right cover 2 includes a right upper cover 8 and a right lower cover 9, the rotating mechanism 3 includes a supporting shaft 10 and a supporting seat 11, the supporting shaft 10 is horizontally inserted between the left cover 1 and the right cover 2, the supporting seat 11 is disposed in the right cover 2, the left and right ends of the supporting shaft 10 are respectively connected with the left wheel 4 and the supporting seat 11, the supporting shaft 10 can rotate relative to the supporting seat 11/the right cover 2, the rotating mechanism 3 is connected with the right wheel 5 through at least one supporting bar 12, a treading portion 13 for a user to tread on the right upper cover 8, and at least a portion of the supporting bar 12 is located under the treading portion 13.

Specifically, left side lid 1 and right side lid 2 independent setting, back shaft 10 pass left side lid 1 and right side lid 2 respectively after make left side lid 1 and right side lid 2 connect, the left end and the left side lid 1 fixed connection of back shaft 10, the right-hand member rotates with right side lid 2 to be connected, but makes relative rotation between left side lid 1 and the right side lid 2 to the realization turns to the function.

In this embodiment, the left and right positions of the balance car are illustrated, and the simple left and right position replacement based on this is within the protection scope of the present invention, for example, the support shaft 10 may be fixedly connected to the left cover 1, rotatably connected to the right cover 2, or rotatably connected to the left cover 1, and fixedly connected to the right cover 2; the supporting seat 11 and the supporting bar 12 can be arranged in the left cover 1, the right cover 2, and the like; the other position replacements are not listed in the embodiment.

Preferably, the supporting bar 12 is made of metal and is fixedly installed between the right upper cover 8 and the supporting seat 11.

The supporting seat 11 comprises an arc portion 14 and a platform portion 15, the platform portion 15 is located at the side end of the arc portion 14, the upper right cover 8 is provided with a plurality of connecting columns 16 which are arranged at intervals, the connecting columns 16 are matched and fixed with the platform portion 15, and the supporting bars 12 are clamped between the connecting columns 16 and the platform portion 15. The support strip 12 is attached or fixedly connected with the right upper cover 8, so that the tension applied to the right upper cover 8 in use can be dispersed, and the right upper cover 8 is prevented from being broken.

In this embodiment, the supporting bar 12 is in a zigzag shape, and the middle portion of the supporting bar is provided with at least one corner portion 17, and the zigzag arrangement can increase the strength of the supporting bar 12.

In the above embodiment, the right end of the supporting shaft 10 is provided with the limiting rod 18, the right upper cover 8 is provided with the limiting groove 19 matched with the limiting rod 18, and two inner side walls of the limiting groove 19 in the length direction respectively limit the relative rotation limit positions of the left cover 1 and the right cover 2.

The right end of the supporting shaft 10 is further provided with a first bearing 20, the arc portion 14 is provided with a groove 21, the outer side of the first bearing 20 is installed in the groove 21, and the arc portion 14 has a rotating gap with the outer surface of the supporting shaft 10.

The center of the right wheel 5 is provided with a right axle 22, a right bearing 23 is arranged between the right wheel 5 and the right axle 22, the left end of the right axle 22 extends into the right cover 2, a right pressing plate 24 is arranged between the right upper cover 8 and the right axle 22, the right pressing plate 24 is fixedly connected with the right upper cover 8/connecting column 16, and the right end of the supporting strip 12 is clamped between the right pressing plate 24 and the right upper cover 8/connecting column 16. The right axle 22 is provided with a first rotation stopping part 25, the right pressing plate 24 is provided with a second rotation stopping part 26, the first rotation stopping part 25 and the second rotation stopping part 26 are matched to enable the right axle 22 and the right cover 2 to be fixed in the circumferential direction, the right axle 22 is further provided with a stopping part 27, the right pressing plate 24 is further provided with a stopping groove 28, and the stopping part 27 and the stopping groove 28 are matched to enable the right axle 22 and the right cover 2 to be fixed in the axial direction.

Similarly, a left axle 29 is arranged in the center of the left wheel 4, a left bearing 30 is arranged between the left wheel 4 and the left axle 29, the right end of the left axle 29 extends into the left cover 1, a left pressure plate 31 is arranged between the left upper cover 6 and the left axle 29, the left pressure plate 31 is fixedly connected with the left upper cover 6, a concave part 32 is arranged at the left end of the supporting shaft 10, and the concave part 32 is clamped between the left pressure plate 31 and the left upper cover 6. The left axle 29 is provided with a first rotation stopping part 25, the left pressure plate 31 is provided with a second rotation stopping part 26, the first rotation stopping part 25 and the second rotation stopping part 26 are matched to enable the left axle 29 and the left cover 1 to be fixed in the circumferential direction, the left axle 29 is further provided with a backstop part 27, the left pressure plate 31 is further provided with a backstop groove 28, and the backstop part 27 and the backstop groove 28 are matched to enable the left axle 29 and the left cover 1 to be fixed in the axial direction.

In this embodiment, the left axle 29 and the right axle 22 are cylindrical, the first rotation stopping portion 25 is a cut surface on the axle, the cut surface makes the cross section of the axle at the position non-circular, the second rotation stopping portion 26 is a rotation stopping surface which can be attached to the cut surface in a proper matching manner, and the first rotation stopping portion 25 and the second rotation stopping portion 26 are matched to fix the axle and the pressure plate in the circumferential direction. In other embodiments, the first rotation stop portion 25 and the second rotation stop portion 26 may be configured as a screw and a screw hole, a snap, etc. The cut surface is located near the end of the axle so that the end of the axle (the side of the cut surface) has a projection forming a retaining portion 27, and the retaining portion 27 is inserted into the retaining groove 28 when the axle is coupled to the pressure plate.

In the above embodiment, the supporting shaft 10 is made of a hollow metal tube, the left end of the supporting shaft 10 forms an arc-shaped recess 32 under the punching of the machine, the double-layer structure of the recess 32, that is, the recess 32 has at least two layers of tube walls on the cross section along the axis of the supporting shaft 10, that is, under the punching of the machine, the distance between the two tube walls in the up-and-down direction of a part of the supporting shaft 10 is reduced, so that the distance between the upper wall surface and the lower wall surface of the part is smaller than that of other positions of the supporting shaft 10, even the upper wall surface and the lower wall surface of the recess 32 are attached to each other, and the double-layer tube wall arrangement can increase the strength of the recess 32.

In this embodiment, depressed part 32 is used for installing the axletree, and the axletree is arranged in the region that depressed part 32 encloses, and the degree of depth that axletree and depressed part 32 are connected is less than the length of depressed part 32, and the depressed part 32 that is located outside the axletree forms a space of stepping down, can be used to dodge effect battery, pcb board or other parts, makes the inside space of balance car more reasonable utilization.

The above description in this specification is merely illustrative of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a balance car with back shaft, includes left cover, right side lid and slewing mechanism, the left end of left side lid is equipped with left wheel, the right-hand member of right side lid is equipped with right wheel, a left side lid with use between the right side lid the rotatable connection of slewing mechanism, a serial communication port, slewing mechanism includes the back shaft, the back shaft is worn to locate along the horizontal direction between left side lid and the right side lid, at least part the back shaft sets up to hollow tubulose, one of them tip of back shaft is equipped with the depressed part, the depressed part has bilayer structure.

2. The balance vehicle with the supporting shaft according to claim 1, wherein the pipe wall of the supporting shaft in the vertical direction is close to/attached to form the concave portion after being stamped by an external force, and the cross section of the concave portion is arc-shaped.

3. The balance vehicle with the support shaft as claimed in claim 2, wherein a left axle is provided on the right side of the left wheel, the left axle extends into the left cover and is fixedly connected with the recess, and the recess is enclosed on the outer side of the left axle.

4. The balance vehicle with the support shaft according to claim 3, wherein the depth of the left axle shaft inserted into the recess is smaller than the length of the entire recess, and the recess outside the left axle shaft forms an abdicating space.

5. The balance vehicle with the support shaft according to any one of claims 1 to 4, wherein the left cover comprises a left upper cover and a left lower cover, a left bearing is arranged between the left wheel and the left axle, the left axle is fixedly connected with the left upper cover through a left pressure plate, and the recess and the left pressure plate are respectively positioned at the upper side and the lower side of the left axle.

6. The balance car with the support shaft according to claim 5, wherein the left axle is provided with a first rotation stopping portion, the left pressing plate is provided with a second rotation stopping portion, the first rotation stopping portion and the second rotation stopping portion cooperate to circumferentially fix the left axle and the left cover, the left axle is further provided with a backstop portion, the left pressing plate is further provided with a backstop groove, and the backstop portion and the backstop groove cooperate to axially fix the left axle and the left cover.

7. The balance vehicle of any one of claims 1 to 4, wherein the right cover comprises a right upper cover and a right lower cover, the rotating mechanism further comprises a support base, the support base is fixedly connected with the right upper cover, the right end of the support shaft is disposed between the support base and the right upper cover, and the support shaft can rotate relative to the support base/the right cover.

8. The balance vehicle with the supporting shaft according to claim 7, wherein a limiting rod is provided at the right end of the supporting shaft, a limiting groove engaged with the limiting rod is provided on the right upper cover, and two inner side walls in the length direction of the limiting groove respectively define the limit positions of the left cover and the right cover relative rotation.

9. The balance vehicle with the support shaft according to claim 8, wherein a support bar made of metal is provided between the rotating mechanism and the right wheel, and the support bar is sandwiched between the right upper cover and the support seat.

10. The balance car with the support shaft according to claim 9, wherein the right wheel is provided with a right axle, a right bearing is arranged between the right wheel and the right axle, the left end of the right axle extends into the right cover, a right pressing plate is arranged between the right upper cover and the right axle, the right pressing plate is fixedly connected with the right upper cover/connecting column, and the right end of the support bar is clamped between the right pressing plate and the right upper cover.