CN219857485U

CN219857485U - Frame and scooter

Info

Publication number: CN219857485U
Application number: CN202321184895.XU
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Ninebot Changzhou Technology Co Ltd
Current assignee: Ninebot Changzhou Technology Co Ltd
Priority date: 2023-05-16
Filing date: 2023-05-16
Publication date: 2023-10-20
Anticipated expiration: 2033-05-16

Abstract

The utility model discloses a frame and a scooter, wherein the frame comprises a first longitudinal beam, a second longitudinal beam, an inclined tube, a head tube and a reinforcing part, the first end of the first longitudinal beam is connected with the first end of the second longitudinal beam, the second end of the first longitudinal beam and the second end of the second longitudinal beam are both connected with the inclined tube, the first end of the inclined tube is connected with the head tube, the reinforcing part is a sheet metal part, the sheet metal part is connected with the first longitudinal beam and the second longitudinal beam, and the sheet metal part is connected with the second end of the inclined tube. The frame provided by the utility model has the advantages of low assembly difficulty and high assembly precision.

Description

Frame and scooter

Technical Field

The utility model relates to the technical field of scooters, in particular to a frame and a scooter.

Background

Along with the continuous development of technology, the variety of people's tool of riding instead of walk also gradually increases, for example electric scooter and electric scooter etc. like electric scooter, are easily learned and used by the driver, and characteristics such as simple structure, light and handy simple and convenient are received the favor of vast user deeply.

In the related art, some frames of the scooter are formed by mutually welding at least two pipeline parts, and the frames have the defects of poor positioning effect, high assembly difficulty and low assembly precision in the forming process.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent.

Therefore, the embodiment of the utility model provides the frame, which has the advantages of low assembly difficulty and high assembly precision.

The embodiment of the utility model also provides a scooter.

The vehicle frame comprises a first longitudinal beam, a second longitudinal beam, an inclined tube, a head tube and a reinforcing piece, wherein the first end of the first longitudinal beam is connected with the first end of the second longitudinal beam; the second end of the first longitudinal beam and the second end of the second longitudinal beam are connected with the inclined tube, and the first end of the inclined tube is connected with the head tube; the reinforcement is the sheet metal component, the sheet metal component is connected first longeron with the second longeron, the sheet metal component with the second end of inclined tube links to each other.

According to the frame disclosed by the embodiment of the utility model, the reinforcing piece is a sheet metal part, the structure and the shape of the reinforcing piece are ensured, when the frame is assembled, the reinforcing piece is connected with the first longitudinal beam and the second longitudinal beam at first so as to position the first longitudinal beam and the second longitudinal beam, then the reinforcing piece is connected with the second end of the inclined tube so as to position the inclined tube, further the relative position accuracy of the inclined tube, the first longitudinal beam and the second longitudinal beam is ensured, and finally the second end of the first longitudinal beam and the second end of the second longitudinal beam are connected with the set position of the inclined tube so as to complete the assembly of the frame. Therefore, the arrangement of the reinforcing piece effectively improves the assembly precision of the frame and effectively reduces the assembly difficulty of the frame.

In some embodiments, the stiffener comprises a stamped stiffener plate.

In some embodiments, the reinforcement comprises a locating hole, the second end of the inclined tube is matched in the locating hole, and the wall surface of the locating hole is in fit contact with the peripheral surface of the inclined tube and welded.

In some embodiments, the inclined tube is located between the second end face of the first longitudinal beam and the second end face of the second longitudinal beam, and the second end face of the first longitudinal beam and the second end face of the second longitudinal beam are both in abutting contact with the outer peripheral surface of the inclined tube and welded.

In some embodiments, the first longitudinal beam comprises a first inclined section, a first bending section and a first horizontal section which are sequentially connected, the second longitudinal beam comprises a second inclined section, a second bending section and a second horizontal section which are sequentially connected, the first horizontal section and the second horizontal section are mutually parallel, the inclined pipe is connected with the first inclined section and the second inclined section, the reinforcing piece is connected with the first bending section and the second bending section, and/or the reinforcing piece is connected with the first inclined section and the second inclined section, and/or the reinforcing piece is connected with the first horizontal section and the second horizontal section.

In some embodiments, the stiffener includes a lap portion that is erected on and welded with the first and second folded sections, the lap portion having a first locating surface in abutting contact with an outer surface of the first folded section and a second locating surface in abutting contact with an outer surface of the second folded section.

In some embodiments, the stiffener further includes a stop portion connected to the overlap portion, the stop portion being located between and welded to the first and second inclined sections, the stop portion having a third locating surface in abutting contact with the outer surface of the first inclined section and a fourth locating surface in abutting contact with the outer surface of the second inclined section.

In some embodiments, the first locating surface is in smooth engagement with the third locating surface and the second locating surface is in smooth engagement with the fourth locating surface.

In some embodiments, the frame further comprises a cross member, two ends of the cross member being connected to the first end of the first longitudinal member and the first end of the second longitudinal member, respectively.

In some embodiments, the first longitudinal beam, the second longitudinal beam and the cross beam are integrally bent and formed by metal pipes.

The scooter according to the embodiment of the utility model comprises the frame according to any of the embodiments.

The technical advantages of the scooter according to the embodiment of the present utility model are the same as those of the frame in the above embodiment, and will not be described here again.

In some embodiments, the scooter further comprises a front footboard connected with the stiffener and a footboard connected with each of the stiffener, the first stringer and the second stringer.

Drawings

Fig. 1 is an isometric view of a frame according to an embodiment of the utility model.

Fig. 2 is a top view of a vehicle frame according to an embodiment of the utility model.

Fig. 3 is a side view of a vehicle frame according to an embodiment of the utility model.

Fig. 4 is a schematic view of a reinforcement in a vehicle frame according to an embodiment of the utility model.

FIG. 5 is a schematic view of a frame, front foot pedal and foot pedal cover in accordance with an embodiment of the present utility model.

Fig. 6 is an exploded view of a frame, a front footrest, and a footrest cover in accordance with an embodiment of the present utility model.

Reference numerals:

100. a frame; 1. a first stringer; 11. a first sloped section; 12. a first bending section; 13. a first horizontal segment; 2. a second stringer; 21. a second sloped section; 22. a second bending section; 23. a second horizontal segment; 3. a chute; 4. a head pipe; 5. a reinforcing member; 51. a lap joint; 511. a second positioning surface; 52. a limit part; 521. a fourth locating surface; 53. a limiting hole; 6. a cross beam; 7. a stiffening beam; 8. a battery compartment; 9. a front foot pedal; 10. and pedal the cover plate.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

A vehicle frame 100 according to an embodiment of the present utility model is described below with reference to fig. 1-6.

The vehicle frame 100 according to the embodiment of the utility model includes a first side member 1, a second side member 2, an inclined tube 3, a head tube 4, and a reinforcement 5. The first end of the first stringer 1 is connected to the first end of the second stringer 2. The second end of the first longitudinal beam 1 and the second end of the second longitudinal beam 2 are connected with the inclined tube 3, and the first end of the inclined tube 3 is connected with the head tube 4. The reinforcement 5 is a sheet metal part, and the sheet metal part is connected with the first longitudinal beam 1 and the second longitudinal beam 2 and is connected with the second end of the inclined tube 3.

According to the frame 100 of the embodiment of the utility model, the reinforcement 5 is a sheet metal part, so that the structure and shape of the reinforcement 5 are ensured, when the frame 100 is assembled, the reinforcement 5 is connected with the first longitudinal beam 1 and the second longitudinal beam 2 to position the first longitudinal beam 1 and the second longitudinal beam 2, then the reinforcement 5 is connected with the second end of the inclined tube 3 to position the inclined tube 3, further the relative position accuracy of the inclined tube 3, the first longitudinal beam 1 and the second longitudinal beam 2 is ensured, and finally the second end of the first longitudinal beam 1 and the second end of the second longitudinal beam 2 are connected with the set position of the inclined tube 3, so that the frame 100 is assembled. Therefore, the arrangement of the reinforcing member 5 effectively improves the assembly precision of the frame 100 and effectively reduces the assembly difficulty of the frame 100.

In some embodiments, as shown in fig. 4, the stiffener 5 comprises a stamped stiffener plate.

That is, the reinforcing member 5 is integrally press-formed, so that the reinforcing plate obtained thereby has a higher uniformity in appearance, and the frame 100 after assembly is ensured to be integrated.

In some embodiments, as shown in fig. 1 and 4, the reinforcement 5 includes a positioning hole in which the second end of the inclined tube 3 is fitted, and a wall surface of the positioning hole is in abutting contact with the outer peripheral surface of the inclined tube 3 and welded.

After the first longitudinal beam 1 and the second longitudinal beam 2 are connected by the reinforcing piece 5, the inclined tube 3 and the positioning hole are matched to realize radial positioning of the inclined tube 3, so that the inclination of the inclined tube 3 relative to the first longitudinal beam 1 and the second longitudinal beam 2 is ensured, and the welding reliability of the second end of the first longitudinal beam 1 and the second end of the second longitudinal beam 2 and the inclined tube 3 is further effectively ensured.

Specifically, the second end of the inclined tube 3 is fitted in the positioning hole, and the second end surface of the inclined tube 3 is smoothly engaged with the bottom surface of the reinforcing member 5. Subsequently, the reinforcement 5 and the inclined tube 3 are welded in the circumferential direction of the pilot hole, to form a girth weld at the rim of the pilot hole,

in some embodiments, as shown in fig. 1 and 2, the inclined tube 3 is located between the second end surface of the first longitudinal beam 1 and the second end surface of the second longitudinal beam 2, and the second end surface of the first longitudinal beam 1 and the second end surface of the second longitudinal beam 2 are both in abutting contact with the outer peripheral surface of the inclined tube 3 and welded.

Thus, the first side member 1, the second side member 2 and the down tube 3 are connected to each other easily and reliably, and the frame 100 has high connection strength.

Specifically, as shown in fig. 1, the second end surface of the first side member 1 and the second end surface of the second side member 2 are both planar, and both side surfaces of the down tube 3 in the width direction of the frame 100 are also correspondingly planar. Thus, after the second end face of the first longitudinal beam 1 and the second end face of the second longitudinal beam 2 are in fit contact with the outer peripheral face of the inclined tube 3, the welding between the inclined tube 3 and each of the first longitudinal beam 1 and the second longitudinal beam 2 is convenient and reliable.

In some embodiments, as shown in fig. 1-3, the first stringer 1 includes a first incline section 11, a first bend section 12, and a first horizontal section 13 connected in sequence. The second longitudinal beam 2 comprises a second inclined section 21, a second bending section 22 and a second horizontal section 23 which are connected in sequence, the first horizontal section 13 and the second horizontal section 23 are parallel to each other, the inclined tube 3 is connected with the first inclined section 11 and the second inclined section 21, and the reinforcing piece 5 is connected with the first bending section 12 and the second bending section 22. And/or the reinforcement 5 connects the first inclined section 11 and the second inclined section 21. And/or the reinforcement 5 connects the first horizontal section 13 and the second horizontal section 23.

The reinforcement 5 is generally located at the front end of the frame 100, i.e. adjacent to the second ends of the first longitudinal beam 1 and the second longitudinal beam 2, thereby realizing accurate positioning of the second ends of the first longitudinal beam 1 and the second longitudinal beam 2, ensuring accurate and stable fitting contact between the second end surface of the first longitudinal beam 1 and the second end surface of the second longitudinal beam 2 and the outer peripheral surface of the inclined tube 3, and further ensuring the assembly accuracy of the frame 100.

In some embodiments, as shown in fig. 1, 2 and 4, the stiffener 5 includes an overlap 51 and a stop 52 that are connected. The lap portion 51 is provided on the first bending section 12 and the second bending section 22 and welded to the first bending section 12 and the second bending section 22, and the lap portion 51 has a first positioning surface in contact with the outer surface of the first bending section 12 and a second positioning surface 511 in contact with the outer surface of the second bending section 22. The stopper 52 is located between the first inclined section 11 and the second inclined section 21 and welded to the first inclined section 11 and the second inclined section 21, and the stopper 52 has a third positioning surface in contact with the outer surface of the first inclined section 11 and a fourth positioning surface 521 in contact with the outer surface of the second inclined section 21.

That is, the reinforcement 5 is installed on the first bending section 12 and the second bending section 22 through the overlapping portion 51 and is engaged between the first tilting section 11 and the second tilting section 21 through the limiting portion 52, so that the reinforcement 5 is effectively positioned at the first bending section 12 and the second bending section 22 of the frame 100, at this time, the first longitudinal beam 1 and the second longitudinal beam 2 are controlled to approach each other, so that the first positioning surface and the second positioning surface 511 are respectively in contact with the first bending section 12 and the second bending section 22 and are welded, and the third positioning surface and the fourth positioning surface 521 are respectively in contact with the first tilting section 11 and the second tilting section 21 and are welded, thereby realizing effective positioning of the first longitudinal beam 1 and the second longitudinal beam 2.

In some embodiments, as shown in fig. 4, the first positioning surface is in smooth engagement with the third positioning surface, and the second positioning surface 511 is in smooth engagement with the fourth positioning surface 521.

The positioning surface formed by the first positioning surface and the third positioning surface is an irregular cambered surface matched with the shape of the outer circumferential surface of the first longitudinal beam 1, and the positioning surface formed by the second positioning surface 511 and the fourth positioning surface 521 is an irregular cambered surface matched with the shape of the outer circumferential surface of the second longitudinal beam 2. At this time, after the reinforcement 5 connects the first longitudinal beam 1 and the second longitudinal beam 2, the line profiles on both sides of the reinforcement 5 are attached to the first longitudinal beam 1 and the second longitudinal beam 2, the connection of the frame 100 at the reinforcement 5 is smooth, the structural strength of the frame 100 is high, and the appearance is attractive.

In some embodiments, as shown in fig. 1-3, the frame 100 further includes a cross member 6, and two ends of the cross member 6 are connected to the first end of the first side member 1 and the first end of the second side member 2, respectively.

The cross member 6 ensures the relative fixation of the first side member 1 and the second side member 2 at the first end in the width direction of the frame 100, thereby enabling the rear end strength of the frame 100 to meet the design requirements.

Specifically, as shown in fig. 1 and 2, the cross beam 6 is a U-shaped beam tilted upwards, the frame 100 further includes a reinforcing beam 7, two ends of the reinforcing beam 7 are welded to two ends of the connecting U-shaped beam, and the reinforcing beam 7 further ensures structural strength of the frame 100 at the cross beam 6.

1-3, the frame 100 further includes a battery compartment 8 for mounting a battery, the battery compartment 8 is welded between the first horizontal section 13 and the second horizontal section 23, and the battery compartment 8 further improves the structural strength of the first horizontal section 13 and the second horizontal section 23 in the left-right direction of the frame 100.

In some embodiments, as shown in fig. 1 and 2, the first longitudinal beam 1, the second longitudinal beam 2 and the cross beam 6 are integrally bent from a metal tube.

Thus, the number of parts of the frame 100 is small, and the manufacturing and assembling costs of the frame 100 are low.

The walker according to the embodiment of the present utility model includes the frame 100 of any of the embodiments described above.

The technical advantages of the scooter according to the embodiment of the present utility model are the same as those of the frame 100 in the above embodiment, and will not be described here again.

In some embodiments, the walker may be an electric scooter.

As shown in fig. 5 and 6, the scooter further includes a front footboard 9 and a footboard cover 10, the front footboard 9 is connected with the reinforcement 5, and the footboard cover 9 is connected with each of the reinforcement 5, the first side member 1 and the second side member 2. Namely, the front pedal plate 9 and the pedal cover plate 10 are connected with the reinforcement 5, so that the gap between the front pedal plate 9 and the pedal cover plate 10 is controlled within the design range, and the integrated assembly of the front pedal plate 9 and the pedal cover plate 10 is effectively realized.

Specifically, the front end of the pedal cover 10 and the front foot board 9 are both connected to the reinforcement by screws, and the frame 100 further includes a plurality of cross bars connecting the first longitudinal beam 1 and the second longitudinal beam 2, and the pedal cover 10 is further connected to the plurality of cross bars by screws, thereby achieving connection with the first longitudinal beam 1 and the second longitudinal beam 2.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular 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, schematic representations of the above terms are not necessarily directed 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. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While the above embodiments have been shown and described, it should be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the utility model.

Claims

1. A vehicle frame, comprising:

the first end of the first longitudinal beam is connected with the first end of the second longitudinal beam;

the first end of the inclined tube is connected with the head tube; and

the reinforcing part is a sheet metal part, the sheet metal part is connected with the first longitudinal beam and the second longitudinal beam, and the sheet metal part is connected with the second end of the inclined tube.

2. The frame of claim 1, wherein the reinforcement comprises a stamped reinforcement plate.

3. The frame of claim 1, wherein the reinforcement includes a locating hole in which the second end of the tube fits, and wherein a wall of the locating hole is in abutting contact with and welded to an outer peripheral surface of the tube.

4. A frame as claimed in claim 3, wherein the down tube is located between the second end face of the first side member and the second end face of the second side member, the second end face of the first side member and the second end face of the second side member both being in abutting contact with the outer peripheral surface of the down tube and welded.

5. The frame of claim 1, wherein the first longitudinal beam comprises a first inclined section, a first bending section and a first horizontal section which are connected in sequence, the second longitudinal beam comprises a second inclined section, a second bending section and a second horizontal section which are connected in sequence, the first horizontal section and the second horizontal section are mutually parallel, the inclined tube is connected with the first inclined section and the second inclined section, the reinforcing member is connected with the first bending section and the second bending section, and/or the reinforcing member is connected with the first inclined section and the second inclined section, and/or the reinforcing member is connected with the first horizontal section and the second horizontal section.

6. The frame of claim 5, wherein the stiffener includes a lap portion that is overlapped on and welded to the first and second folded sections, the lap portion having a first locating surface in abutting contact with an outer surface of the first folded section and a second locating surface in abutting contact with an outer surface of the second folded section.

7. The frame of claim 6, wherein the reinforcement further comprises a stop portion connected to the overlap portion, the stop portion being located between and welded to the first and second angled sections, the stop portion having a third locating surface in abutting contact with an outer surface of the first angled section and a fourth locating surface in abutting contact with an outer surface of the second angled section.

8. The frame of claim 7, wherein the first locating surface is in smooth engagement with the third locating surface and the second locating surface is in smooth engagement with the fourth locating surface.

9. The frame of claim 1, further comprising a cross member, wherein the cross member is connected at both ends to the first end of the first rail and the first end of the second rail, respectively.

10. The frame of claim 9, wherein the first longitudinal beam, the second longitudinal beam, and the cross beam are integrally bent from a metal tube.

11. A scooter comprising a frame as claimed in any one of claims 1 to 10.

12. The scooter of claim 11, further comprising a front footrest coupled to the stiffener and a footrest cover coupled to each of the stiffener, the first stringer and the second stringer.