Frame and scooter

Abstract

The frame comprises a connecting pipe, a scooter head pipe, a reinforcing piece and two longitudinal beams, the two longitudinal beams are arranged at intervals in the left-right direction, the connecting pipe extends in the left-right direction, and the connecting pipe is installed between the two longitudinal beams and is adjacent to the front ends of the longitudinal beams. The motorcycle head pipe extends in the vertical direction and is connected with the connecting pipe, the reinforcing piece is arranged between the two longitudinal beams, and the reinforcing piece is connected with the longitudinal beams and the motorcycle head pipe. According to the bicycle frame, the connecting strength of the bicycle head pipe and the overall stability of the bicycle frame can be improved.

Description

Technical Field

[0001] This utility model relates to the field of mobility scooter technology, specifically to a frame and a mobility scooter. Background Technology

[0002] Scooters and electric bikes are widely used personal transportation tools. In related technologies, the frame of these scooters is a tubular structure. The head tube and the beveled side tubes of the frame are often connected by direct welding. However, this connection method results in low connection strength of the head tube. Utility Model Content

[0003] This utility model aims to at least partially solve one of the technical problems in the related art.

[0004] Therefore, embodiments of this utility model propose a frame that can improve the connection strength of the head tube.

[0005] An embodiment of this utility model also proposes a mobility scooter.

[0006] The vehicle frame of this utility model includes: two longitudinal beams, which are arranged at intervals in the left-right direction; a connecting tube, which extends in the left-right direction and is installed between the two longitudinal beams and adjacent to the front end of the longitudinal beams; a head tube, which extends in the up-down direction and is connected to the connecting tube; and a reinforcing member, which is disposed between the two longitudinal beams and is connected to the longitudinal beams and the head tube.

[0007] According to the embodiment of the present invention, the frame is connected to the connecting tube extending in the left and right directions, which makes it easier for the operator to connect the head tube to the connecting tube. Compared with the method of directly welding the two longitudinal beams and the head tube, the structural strength of the head position of the frame can be improved. Furthermore, since the reinforcing member is connected to the longitudinal beam and the head tube, the connection strength of the head tube can be further improved, and the overall stability of the frame can be enhanced.

[0008] In some embodiments, the reinforcing member is located at the lower end of the connecting pipe.

[0009] In some embodiments, the two longitudinal beams are arranged symmetrically about the head tube, and both longitudinal beams are spaced apart from the head tube in the left-right direction.

[0010] In some embodiments, the reinforcing member is a plate-shaped member that forms a cavity, the cavity opening toward the rear side of the head tube.

[0011] In some embodiments, the reinforcing member includes a base plate and two side plates, the two side plates being connected to the two longitudinal beams respectively, the base plate being disposed between the two side plates and located at the bottom of the side plates, the base plate and the side plates forming the cavity, and both the base plate and the side plates being connected to the head tube.

[0012] In some embodiments, both longitudinal beams include a front pipe section, a middle pipe section, and a rear pipe section, which are arranged sequentially in a front-to-back direction. In the front-to-back direction, the front pipe section gradually extends downward at an incline, the middle pipe section extends horizontally, and the rear pipe section gradually extends upward at an incline.

[0013] In some embodiments, the distance between the two front pipe segments gradually decreases in the direction from back to front, and the distance between the two rear pipe segments gradually decreases in the direction from front to back.

[0014] In some embodiments, the frame further includes a first transverse tube, which is mounted between the two front tube segments and extends in the left-right direction. The first transverse tube is located behind and below the connecting tube.

[0015] In some embodiments, the frame further includes a second cross tube and a rear swingarm mount, the second cross tube being mounted between the two rear tube segments and extending in the left-right direction, and the rear swingarm mount being mounted on the second cross tube.

[0016] In some embodiments, the frame further includes a side stand mounting plate mounted on one of the two intermediate tube sections; and / or, the frame further includes a seat plate connected to the upper ends of the two rear tube sections, the seat plate having a shock-absorbing mounting bracket.

[0017] Another embodiment of the mobility scooter of the present invention includes the frame described in any one of the embodiments of the present invention.

[0018] According to the embodiments of the present invention, the scooter with the head tube connected to the connecting tube extending in the left and right directions makes it easy for the operator to connect the head tube to the connecting tube. Compared with the method of directly welding the two longitudinal beams and the head tube, the structural strength of the head position of the frame can be improved. Furthermore, since the reinforcing member is connected to the longitudinal beam and the head tube, the connection strength of the head tube can be further improved, and the overall stability of the frame can be enhanced. Attached Figure Description

[0019] Figure 1 This is an axonometric view of the vehicle frame according to an embodiment of the present invention.

[0020] Figure 2This is a front view of the vehicle frame according to an embodiment of the present utility model.

[0021] Figure 3 This is a partial schematic diagram of the vehicle frame according to an embodiment of the present utility model.

[0022] Figure label:

[0023] 1. Longitudinal beam; 11. Front pipe section; 12. Middle pipe section; 13. Rear pipe section;

[0024] 2. Connecting pipe;

[0025] 3. Head tube;

[0026] 4. Reinforcing component; 41. Base plate; 42. Side plate; 43. Cavity;

[0027] 51. First horizontal tube; 52. Second horizontal tube;

[0028] 6. Rear swingarm mounting bracket; 61. Mounting tube; 62. Mounting base;

[0029] 7. Side brace mounting plate;

[0030] 8. Seat cushion;

[0031] 9. Vibration-damping mounting bracket. Detailed Implementation

[0032] The embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0033] The following is a reference appendix. Figures 1 to 3 This invention describes a vehicle frame and a mobility scooter according to embodiments of the present invention.

[0034] like Figure 1 and Figure 2 As shown, the frame of this utility model embodiment includes: a connecting tube 2, a head tube 3, a reinforcing member 4, and two longitudinal beams 1. The two longitudinal beams 1 are arranged at intervals in the left-right direction, the connecting tube 2 extends in the left-right direction, the connecting tube 2 is installed between the two longitudinal beams 1 and is arranged adjacent to the front end of the longitudinal beams 1, the head tube 3 extends in the up-down direction and is connected to the connecting tube 2, and the reinforcing member 4 is disposed between the two longitudinal beams 1 and is connected to the longitudinal beams 1 and the head tube 3.

[0035] It should be noted that the front-back, left-right, up-down directions of the frame are consistent with the front-back, left-right, up-down directions of the commuter vehicle during actual use.

[0036] According to the embodiment of the present invention, the frame is connected to the connecting pipe 2 extending in the left and right directions, which makes it easier for the operator to connect the frame head tube 3 to the connecting pipe 2. Compared with the method of directly welding the two longitudinal beams 1 and the frame head tube 3, the structural strength of the frame head position can be improved. Furthermore, since the reinforcing member 4 is connected to the longitudinal beams 1 and the frame head tube 3, the connection strength of the frame head tube 3 can be further improved, and the overall stability of the frame can be enhanced.

[0037] For example, the connections between the head tube 3, connecting tube 2, longitudinal beam 1, and reinforcing member 4 are all made by welding. In this embodiment of the invention, the head tube 3 of the frame is connected to the longitudinal beam 1 via the connecting tube 2, which provides a larger welding space for the installation of the head tube 3 and helps to reduce the welding difficulty of the frame.

[0038] Specifically, such as Figure 1 As shown, the two longitudinal beams 1 are symmetrically arranged about the head tube 3, and both longitudinal beams 1 are spaced apart from the head tube 3 in the left-right direction. It can be understood that the symmetrical arrangement of the two longitudinal beams 1 about the head tube 3 can improve the overall stability of the frame. The longitudinal beams 1 are spaced apart from the head tube 3 in the left-right direction, meaning that the longitudinal beams 1 are not directly connected to the head tube 3. In other words, the longitudinal beams 1 are connected to the head tube 3 through connecting pipes 2, which simplifies the frame assembly process.

[0039] For example, the longitudinal beam 1 is welded to the connecting pipe 2, and the connecting pipe 2 is welded to the head pipe 3.

[0040] Optionally, the reinforcing member 4 is located at the lower end of the connecting tube 2, thereby making full use of the space enclosed by the two longitudinal beams 1 and the area below the connecting tube 2, resulting in a more compact frame structure. Figure 1 and Figure 2 As shown, the welding points of the reinforcing member 4 and the head tube 3 and the welding points of the connecting pipe 2 and the head tube 3 are spaced apart along the axial direction of the head tube 3, which can improve the stability and reliability of the connection of the head tube 3.

[0041] In one example, such as Figure 1 As shown, the reinforcing member 4 is a plate-shaped member that forms a cavity 43. The cavity 43 opens towards the rear side of the head tube 3, which can improve the connection strength between the reinforcing member 4 and the longitudinal beam 1 and the head tube 3, and is also conducive to improving the overall integrity of the frame.

[0042] like Figure 1As shown, the reinforcing member 4 includes a base plate 41 and two side plates 42. The two side plates 42 are respectively connected to two longitudinal beams 1. The base plate 41 is located between the two side plates 42 and at the bottom of the side plates 42. The base plate 41 and the side plates 42 form a cavity 43. Both the base plate 41 and the side plates 42 are connected to the head tube 3. It can be understood that the reinforcing member 4 has a generally box-shaped structure, which can improve the structural strength of the reinforcing member 4. When the frame is subjected to a collision, the reinforcing member 4 is not easily deformed, which is beneficial to improving the stability of the head tube 3 connection.

[0043] In some embodiments, such as Figure 1 and Figure 2 As shown, both longitudinal beams 1 include a front tube section 11, a middle tube section 12, and a rear tube section 13. These sections are arranged sequentially along the front-to-back direction. From front to back, the front tube section 11 gradually extends downwards at an angle, the middle tube section 12 extends horizontally, and the rear tube section 13 gradually extends upwards at an angle. It can be understood that the longitudinal beams 1 are generally inverted n-shapes. By configuring the longitudinal beams 1 in the above-described structure, the frame of this embodiment of the invention allows the area enclosed by the longitudinal beams 1 to accommodate the battery, thereby lowering the center of gravity of the vehicle and improving its maneuverability.

[0044] On the other hand, the longitudinal beam 1 of the embodiment of this utility model is a tubular component, which can save the complex connection process of sheet metal compared with the structure of sheet metal components, and can meet the requirements of frame strength, rigidity and seat bucket space.

[0045] For example, the longitudinal beam 1 is made of a 25mm*50mm flat elliptical tube made of HC420 material.

[0046] Optionally, such as Figure 1 and Figure 2 As shown, the distance between the two front tube sections 11 gradually decreases from back to front, and the distance between the two rear tube sections 13 gradually decreases from front to back. It is understandable that the distance between the two middle tube sections 12 is wider, while the distances between the two front tube sections 11 and the two rear tube sections 13 are narrower. This allows for a more compact frame, facilitates compatibility with other components of the commuter vehicle, and results in a more aesthetically pleasing design.

[0047] Optionally, such as Figure 1 and Figure 2 As shown, the frame also includes a first horizontal tube 51, which is installed between the two front tube sections 11 and extends in the left-right direction. By incorporating the first horizontal tube 51, the frame of this embodiment of the invention can improve the structural strength of the front end of the frame, making the frame less prone to deformation and extending its service life.

[0048] like Figure 1As shown, the first horizontal tube 51 is located behind and below the connecting tube 2. It can be understood that the first horizontal tube 51 and the connecting tube 2 are arranged at intervals in the vertical and horizontal directions and the front and back directions, which can improve the overall stability of the frame.

[0049] For example, the first horizontal pipe 51 and the connecting pipe 2 are arranged in a generally parallel manner.

[0050] Furthermore, the frame also includes a second cross tube 52 and a rear swingarm mount 6. The second cross tube 52 is installed between the two rear tube sections 13 and extends in the left-right direction. The rear swingarm mount 6 is installed on the second cross tube 52. It can be understood that the first cross tube 51 and the second cross tube 52 are respectively arranged on the front and rear sides of the longitudinal beam 1, thereby improving the overall structural stability of the frame. Moreover, due to the second cross tube 52 and the rear swingarm mount 6, the overall structure of the frame can be made compact.

[0051] For example, such as Figure 1 As shown, the first horizontal tube 51 and the second horizontal tube 52 are both welded to the longitudinal beam 1, and the rear horizontal fork mounting bracket 6 is welded to the second horizontal tube 52.

[0052] like Figure 3 As shown, the rear horizontal fork mounting bracket 6 includes a mounting tube 61 and two mounting seats 62. The two mounting seats 62 are arranged at intervals along the length direction of the second horizontal tube 52, and the mounting tube 61 is located between the two mounting seats 62.

[0053] Optionally, such as Figure 1 As shown, the frame also includes a side stand mounting plate 7, which is mounted on one of the two intermediate tube sections 12. It is understood that the side stand mounting plate 7 is used to mount kickstands. Because the side stand mounting plate 7 is mounted on the intermediate tube section 12, it is positioned closer to the frame's center of gravity, thereby improving the stability of the vehicle when parked.

[0054] For example, such as Figure 1 As shown, the side brace mounting plate 7 is welded to the middle pipe section 12 of the longitudinal beam 1.

[0055] Optionally, such as Figure 1 and Figure 2 As shown, the frame also includes a seat plate 8, which is connected to the upper ends of the two rear tube sections 13. The seat plate 8 is equipped with a shock-absorbing mounting bracket 81. It is understood that the seat plate 8 is used to mount the seat of the scooter. Since the seat plate 8 is connected to the upper ends of the two rear tube sections 13, the stability of the seat plate 8 during installation is improved. Furthermore, because the shock-absorbing mounting bracket 81 is located on the seat plate 8, the shock absorption effect at the seat plate 8 is better, improving the user's riding experience.

[0056] Another embodiment of the mobility scooter of this utility model includes the frame of this utility model. For example, the mobility scooter is an electric bicycle.

[0057] According to the embodiment of the present invention, the vehicle is connected to the connecting pipe 2 extending in the left and right directions, which makes it easy for the operator to connect the vehicle head tube 3 to the connecting pipe 2. Compared with the method of directly welding the two longitudinal beams 1 and the vehicle head tube 3, the structural strength of the head position of the frame can be improved. Furthermore, since the reinforcing member 4 is connected to the longitudinal beams 1 and the vehicle head tube 3, the connection strength of the vehicle head tube 3 can be further improved, and the overall stability of the frame can be enhanced.

[0058] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0059] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0060] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0061] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0062] In this utility model, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0063] Although the above embodiments have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Any changes, modifications, substitutions and variations made to the above embodiments by those skilled in the art are within the protection scope of the present invention.

Claims

1. A vehicle frame, characterized in that, include: Two longitudinal beams are arranged at intervals along the left-right direction; A connecting pipe extending in the left-right direction, the connecting pipe being installed between the two longitudinal beams and arranged adjacent to the front end of the longitudinal beams; A head tube, which extends vertically and is connected to the connecting tube; A reinforcing member is provided between the two longitudinal beams and is connected to the longitudinal beams and the head tube.

2. The frame according to claim 1, characterized in that, The two longitudinal beams are arranged symmetrically about the head tube, and both longitudinal beams are spaced apart from the head tube in the left-right direction.

3. The frame according to claim 1, characterized in that, The reinforcing member is located at the lower end of the connecting pipe.

4. The frame according to claim 3, characterized in that, The reinforcing member is a plate-shaped piece that forms a cavity, and the cavity opens toward the rear side of the head tube.

5. The frame according to claim 4, characterized in that, The reinforcing member includes a base plate and two side plates. The two side plates are respectively connected to the two longitudinal beams. The base plate is located between the two side plates and at the bottom of the side plates. The base plate and the side plates form the cavity. Both the base plate and the side plates are connected to the head tube.

6. The frame according to claim 1, characterized in that, Both of the longitudinal beams include a front pipe section, a middle pipe section, and a rear pipe section. The front pipe section, the middle pipe section, and the rear pipe section are arranged sequentially in the front-to-back direction. In the front-to-back direction, the front pipe section gradually extends downward at an angle, the middle pipe section extends horizontally, and the rear pipe section gradually extends upward at an angle.

7. The frame according to claim 6, characterized in that, In the direction from back to front, the distance between the two front pipe sections gradually decreases, and in the direction from front to back, the distance between the two rear pipe sections gradually decreases.

8. The frame according to claim 6, characterized in that, The frame also includes a first transverse tube, which is installed between the two front tube sections and extends in the left-right direction. The first transverse tube is located on the rear side of the connecting tube and below the connecting tube.

9. The frame according to claim 6, characterized in that, The frame also includes a second cross tube and a rear swingarm mount, the second cross tube being mounted between the two rear tube sections and extending in the left-right direction, and the rear swingarm mount being mounted on the second cross tube.

10. The frame according to claim 6, characterized in that, The frame also includes a side support mounting plate, which is mounted on one of the two intermediate tube sections; And / or, the frame also includes a seat plate connected to the upper ends of the two rear tube sections, and the seat plate is provided with a shock-absorbing mounting bracket.

11. A mobility scooter, characterized in that, The frame includes any one of claims 1-10.

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