Vehicle frame

Abstract

The utility model relates to the technical field of electric vehicles, in particular to a vehicle frame. Wherein the left lower side pipe and the right lower side pipe are symmetrically arranged on the two sides of the main beam pipe, the left upper side pipe and the right upper side pipe are symmetrically arranged on the two sides of the main beam pipe, the left upper side pipe comprises a first front section, a first middle section and a first rear section, the right upper side pipe comprises a second front section, a second middle section and a second rear section, and the first front section and the second front section are both connected to the main beam pipe. The two ends of the pedal are connected to the first middle section and the second middle section respectively, the left lower side pipe, the right lower side pipe, the first middle section, the second middle section and the pedal jointly define a first installation position, the two sides of the seat cask are connected to the first rear section and the second rear section respectively, and a second installation position is arranged in the seat cask. The battery can be selectively installed at the first installation position or the second installation position. The frame provides two battery mounting positions, and batteries are mounted at the first mounting position and the second mounting position at the same time for users with long mileage requirements, so that the battery capacity of the electric vehicle is improved, and the applicability of the electric vehicle is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric vehicles, in particular to a vehicle frame. Background Art

[0002] Electric vehicles have entered thousands of households as a means of transportation for short-distance commuting, providing convenience for people's lives. However, the frames of existing electric vehicles are improved based on the frames of original scooters. The scooter frames are set with left and right single-sided tubes, and the frames of electric vehicles also use left and right single-sided tubes. As a result, electric vehicles can only use small-capacity batteries, with short cruising range, which cannot meet the needs of users with long mileage requirements, reducing the applicability of electric vehicles.

[0003] Therefore, a vehicle frame is urgently needed to solve the above-mentioned technical problems. Utility Model Content

[0004] The purpose of the utility model is to provide a vehicle frame that can increase the battery capacity of an electric vehicle, meet the different requirements of users, and improve the applicability of the electric vehicle.

[0005] To achieve this purpose, the present invention adopts the following technical solutions:

[0006] 14. The bicycle frame as claimed in claim 13, wherein the left lower side tube and the right lower side tube are connected to the bottom of the main beam tube, and the left lower side tube and the right lower side tube are symmetrically arranged on both sides of the main beam tube, the left upper side tube and the right upper side tube are symmetrically arranged on both sides of the main beam tube, the left upper side tube comprises a first front section, a first middle section and a first rear section, the right upper side tube comprises a second front section, a second middle section and a second rear section, the first front section and the second front section are both connected to the main beam tube, two ends of the foot pedal are respectively connected to the first middle section and the second middle section, the left lower side tube, the right lower side tube, the first middle section, the second middle section and the foot pedal are jointly arranged to form a first mounting position, the two sides of the seat bucket are respectively connected to the first rear section and the second rear section, a second mounting position is provided in the seat bucket, and a battery can be selectively installed in the first mounting position or the second mounting position.

[0007] As a preferred technical solution of the above-mentioned frame, the frame further includes a first mounting member, both ends of which are respectively connected to the first rear section and the second rear section, and the seat bucket is connected to the first mounting member.

[0008] As a preferred technical solution of the above-mentioned frame, the frame also includes a second mounting member, both ends of which are respectively connected to the first rear section and the second rear section, and the electric vehicle includes a controller, which is arranged on the second mounting member and is electrically connected to the battery.

[0009] As a preferred technical solution of the above-mentioned frame, the left lower side tube includes a third front section, a third middle section and a third rear section, and the right lower side tube includes a fourth front section, a fourth middle section and a fourth rear section, the two ends of the third middle section are respectively connected to the third front section and the third rear section, the two ends of the fourth middle section are respectively connected to the fourth front section and the fourth rear section, the third front section and the fourth front section are both connected to the bottom of the main beam tube, the third middle section is located below the first middle section, the third rear section is connected to the first rear section, the fourth middle section is located below the second middle section, and the fourth rear section is connected to the second rear section.

[0010] As a preferred technical solution of the above-mentioned frame, the frame also includes a third mounting member, both ends of the third mounting member are respectively connected to the third rear section and the fourth rear section, and the seat bucket is connected to the third mounting member.

[0011] As a preferred technical solution of the above-mentioned frame, the frame also includes two first connecting members, the two ends of one first connecting member are respectively connected to the first front section and the third front section, and the two ends of the other first connecting member are respectively connected to the second front section and the fourth front section.

[0012] As a preferred technical solution of the above-mentioned frame, the frame also includes two second connecting members, the two ends of one second connecting member are respectively connected to the first middle section and the third middle section, and the two ends of the other second connecting member are respectively connected to the second middle section and the fourth middle section.

[0013] As a preferred technical solution of the above-mentioned frame, the frame also includes two third connecting members, the two ends of one third connecting member are respectively connected to the first rear section and the third rear section, and the two ends of the other third connecting member are respectively connected to the second rear section and the fourth rear section.

[0014] As a preferred technical solution of the above-mentioned frame, the third connecting member is provided with a weight-reducing hole.

[0015] As a preferred technical solution of the above-mentioned frame, the frame further includes two first brackets, the two first brackets are respectively arranged on the first rear section and the second rear section, and the two first brackets are used to connect the handrails.

[0016] Beneficial effects of the utility model:

[0017] The utility model provides a vehicle frame, which comprises: a main beam tube, a left upper side tube, a left lower side tube, a right upper side tube, a right lower side tube, a foot pedal and a seat bucket, the left lower side tube and the right lower side tube are both connected to the bottom of the main beam tube, and the left lower side tube and the right lower side tube are symmetrically arranged on both sides of the main beam tube, the left upper side tube and the right upper side tube are symmetrically arranged on both sides of the main beam tube, the left upper side tube comprises a first front section, a first middle section and a first rear section, the right upper side tube comprises a second front section, a second middle section and a second rear section, the first front section and the second front section are both connected to the main beam tube, two ends of the foot pedal are respectively connected to the first middle section and the second middle section, the left lower side tube, the right lower side tube, the first middle section, the second middle section and the foot pedal are jointly arranged to form a first installation position, the two sides of the seat bucket are respectively connected to the first rear section and the second rear section, a second installation position is provided in the seat bucket, and a battery can be selectively installed at the first installation position or the second installation position. Compared with the existing technology, this frame provides two battery installation positions. Users can selectively install the battery in the first installation position or the second installation position according to their own needs. For users with long mileage requirements, batteries can be installed in the first and second installation positions at the same time, thereby increasing the battery capacity of the electric vehicle and improving the applicability of the electric vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the description of the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.

[0019] Figure 1 A first structural schematic diagram of a vehicle frame provided in an embodiment of the present utility model;

[0020] Figure 2 A second structural schematic diagram of a vehicle frame provided by an embodiment of the present utility model;

[0021] Figure 3 This is a third structural schematic diagram of the vehicle frame provided in an embodiment of the present utility model.

[0022] In the picture:

[0023] 1. Main beam tube; 2. Upper left side tube; 3. Lower left side tube; 4. Upper right side tube; 5. Lower right side tube; 6. Seat bucket; 7. First front section; 8. First middle section; 9. First rear section; 10. First mounting part; 11. Second mounting part; 12. Controller; 13. Third front section; 14. Third middle section; 15. Third rear section; 16. Third mounting part; 17. First connecting part; 18. Second connecting part; 19. Third connecting part; 191. Weight reduction hole; 20. First bracket; 21. First connecting rod; 22. Second connecting rod; 23. Second bracket; 24. Battery; 25. Charger; 26. Mounting plate. DETAILED DESCRIPTION

[0024] The present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are intended only to illustrate the present invention and are not intended to limit the present invention. It should also be noted that, for ease of description, the accompanying drawings only illustrate portions relevant to the present invention, not all of its components.

[0025] In the description of this utility model, unless otherwise specified or limited, the terms "connected," "connect," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0026] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0027] In the description of this embodiment, terms such as "upper," "lower," "left," and "right" are used to refer to positions or locations based on the positions or locations shown in the accompanying drawings. These terms are intended solely to facilitate description and simplify operation, and are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this invention. Furthermore, the terms "first" and "second" are used solely for descriptive purposes and have no special meaning.

[0028] like Figures 1 to 3 As shown, the utility model provides a vehicle frame, which includes: a main beam tube 1, a left upper side tube 2, a left lower side tube 3, a right upper side tube 4, a right lower side tube 5, a foot pedal and a seat bucket 6.

[0029] Specifically, the left lower side tube 3 and the right lower side tube 5 are both connected to the bottom of the main beam tube 1, and the left lower side tube 3 and the right lower side tube 5 are symmetrically arranged on both sides of the main beam tube 1, and the left upper side tube 2 and the right upper side tube 4 are symmetrically arranged on both sides of the main beam tube 1. The left upper side tube 2 includes a first front section 7, a first middle section 8 and a first rear section 9, and the right upper side tube 4 includes a second front section, a second middle section and a second rear section. The first front section 7 and the second front section are both connected to the main beam tube 1, and the two ends of the foot pedal are respectively connected to the first middle section 8 and the second middle section. The left lower side tube 3, the right lower side tube 5, the first middle section 8, the second middle section and the foot pedal are jointly arranged to form a first installation position. The two sides of the seat bucket 6 are respectively connected to the first rear section 9 and the second rear section. There is a second installation position in the seat bucket 6, and the battery 24 can be selectively installed at the first installation position or the second installation position. Compared with the existing technology, the frame provides two battery 24 installation positions. Users can selectively install the battery 24 in the first installation position or the second installation position according to their own needs. For users with long mileage requirements, the battery 24 can be installed in the first installation position and the second installation position at the same time, thereby increasing the battery 24 capacity of the electric vehicle and improving the applicability of the electric vehicle.

[0030] Furthermore, one end of the first middle section 8 is connected to the first front section 7 at an angle, and the other end of the first middle section 8 is connected to the first rear section 9 at an angle.

[0031] Furthermore, the first front section 7, first middle section 8, and first rear section 9 are integrally formed, and the second front section, second middle section, and second rear section are integrally formed, thereby increasing the strength of the left upper side tube 2 and the right upper side tube 4 and improving the stability of the vehicle frame. In this embodiment, the first and second mounting positions are used to mount a lead-acid battery 24. The first mounting position can accommodate a 60V 22AH lead-acid battery 24, and the second mounting position can accommodate a 48V 20AH lead-acid battery 24. Of course, in other embodiments, the first and second mounting positions are used to mount a lithium battery 24.

[0032] Optionally, the main beam tube 1 is a cylindrical tube with an arc cut at the upper end and a flattened lower end. The upper end is welded to the head tube to form the head of the vehicle body, and the first front section 7 and the second front section are both welded to a position slightly above the lower end.

[0033] Optionally, the frame further includes a first mounting member 10 , both ends of which are respectively connected to the first rear section 9 and the second rear section. The seat bucket 6 is connected to the first mounting member 10 , which can improve the stability of the seat bucket 6 .

[0034] Furthermore, the frame includes two first brackets 20, which are respectively provided on the first rear section 9 and the second rear section. The two first brackets 20 are used to connect the armrests. Specifically, the ends of the first mounting member 10 are respectively connected to the two first brackets 20, and the armrests are connected to the two first brackets 20, which can reduce the number of parts and simplify the frame structure.

[0035] Optionally, the frame further includes a second mounting member 11, the ends of the first mounting member 11 being connected to the first rear section 9 and the second rear section, respectively. The electric vehicle includes a controller 12, which is mounted on the second mounting member 11 and electrically connected to a battery 24. This improves the stability of the controller 12, preventing it from falling and raising its height to prevent it from wading through water. Furthermore, the frame further includes a first connecting rod 21, the ends of the first connecting rod 21 being connected to the first rear section 9 and the second rear section, respectively. The second mounting member 11 is fixed to the first connecting rod 21, improving the stability of the second mounting member 11.

[0036] Optionally, the left lower side tube 3 includes a third front section 13, a third middle section 14, and a third rear section 15, and the right lower side tube 5 includes a fourth front section, a fourth middle section, and a fourth rear section. The two ends of the third middle section 14 are respectively connected to the third front section 13 and the third rear section 15, and the two ends of the fourth middle section are respectively connected to the fourth front section and the fourth rear section. The third front section 13 and the fourth front section are both connected to the bottom of the main beam tube 1. The third middle section 14 is located below the first middle section 8, the third rear section 15 is connected to the first rear section 9, the fourth middle section is located below the second middle section, and the fourth rear section is connected to the second rear section. Furthermore, one end of the third middle section 14 is connected to the third front section 13 at an angle, the other end of the third middle section 14 is connected to the third rear section 15 at an angle, one end of the fourth middle section is connected to the fourth front section at an angle, and the other end of the fourth middle section is connected to the fourth rear section at an angle. Furthermore, the third front section 13, the third middle section 14 and the third rear section 15 are integrally arranged, and the fourth front section, the fourth middle section and the fourth rear section are integrally arranged, which can increase the strength of the left lower side tube 3 and the right lower side tube 5 and improve the stability of the frame.

[0037] Optionally, the frame further includes a third mounting member 16, the ends of which are respectively connected to the third rear section 15 and the fourth rear section, and the seat bucket 6 is connected to the third mounting member 16. Specifically, the top of the seat bucket 6 is connected to the first mounting member 10, and the bottom of the seat bucket 6 is connected to the third mounting member 16, which can further improve the stability of the seat bucket 6. Furthermore, the frame further includes a second connecting rod 22, the ends of which are respectively connected to the third rear section 15 and the fourth rear section, and the third mounting member 16 is fixed to the second connecting rod 22, which can improve the stability of the third mounting member 16.

[0038] Optionally, the frame also includes two first connecting members 17, the two ends of one first connecting member 17 are respectively connected to the first front section 7 and the third front section 13, and the two ends of the other first connecting member 17 are respectively connected to the second front section and the fourth front section. The two first connecting members 17 are symmetrically arranged on both sides of the main beam tube 1, which can improve the connection strength between the upper left side tube 2 and the lower left side tube 3, and improve the connection strength between the upper right side tube 4 and the lower right side tube 5, thereby improving the overall strength of the frame.

[0039] Optionally, the frame also includes two second connecting members 18, the two ends of one second connecting member 18 are respectively connected to the first middle section 8 and the third middle section 14, and the two ends of the other second connecting member 18 are respectively connected to the second middle section and the fourth middle section. The two second connecting members 18 are symmetrically arranged on both sides of the main beam tube 1, which can improve the connection strength between the upper left side tube 2 and the lower left side tube 3, and improve the connection strength between the upper right side tube 4 and the lower right side tube 5, thereby improving the overall strength of the frame.

[0040] Optionally, the frame also includes two third connectors 19, one of which is connected at both ends to the first rear section 9 and the third rear section 15, and the other is connected at both ends to the second rear section and the fourth rear section. The two third connectors 19 are symmetrically arranged on either side of the main beam tube 1, thereby increasing the connection strength between the left upper tube 2 and the left lower tube 3, and between the right upper tube 4 and the right lower tube 5, thereby improving the overall strength of the frame. Furthermore, the top of the third connector 19 is connected to the connection between the first middle section 8 and the first rear section 9, and the bottom of the third connector 19 is connected to the connection between the third middle section 14 and the third rear section 15.

[0041] Optionally, the third connecting member 19 is provided with a weight-reducing hole 191 , which can reduce the weight of the third connecting member 19 and achieve lightweighting of the vehicle frame.

[0042] Optionally, the frame further includes a plurality of second brackets 23, which are arranged at intervals, and the two ends of the second brackets 23 are respectively connected to the first middle section 8 and the second middle section, and the pedals are installed on the second brackets 23 to improve the stability of the pedals.

[0043] Optionally, a third installation position is provided in the seat bucket 6, and the charger 25 can be provided at the third installation position, so as to facilitate carrying of the charger 25 and prevent the charger 25 from being lost.

[0044] Optionally, the frame further includes two mounting plates 26 , which are mounted on the third rear section 15 and the fourth rear section respectively, and the mounting plates 26 are used to mount a flat fork.

[0045] Furthermore, the above are merely preferred embodiments of the present invention and the technical principles employed. Those skilled in the art will appreciate that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments, and substitutions are possible for those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments and may include many other equivalent embodiments without departing from the scope of the present invention. The scope of the present invention is determined by the scope of the appended claims.

Claims

1. A vehicle frame, characterized in that: include: A main beam tube (1), a left upper side tube (2), a left lower side tube (3), a right upper side tube (4), a right lower side tube (5), a foot pedal and a seat bucket (6), wherein the left lower side tube (3) and the right lower side tube (5) are both connected to the bottom of the main beam tube (1), and the left lower side tube (3) and the right lower side tube (5) are symmetrically arranged on both sides of the main beam tube (1), the left upper side tube (2) and the right upper side tube (4) are symmetrically arranged on both sides of the main beam tube (1), the left upper side tube (2) includes a first front section (7), a first middle section (8) and a first rear section (9), and the right upper side tube (4) includes a first Two front sections, a second middle section and a second rear section, the first front section (7) and the second front section are both connected to the main beam tube (1), the two ends of the foot pedal are respectively connected to the first middle section (8) and the second middle section, the left lower side tube (3), the right lower side tube (5), the first middle section (8), the second middle section and the foot pedal are collectively arranged to form a first installation position, the two sides of the seat bucket (6) are respectively connected to the first rear section (9) and the second rear section, the seat bucket (6) has a second installation position, and the battery (24) can be selectively installed at the first installation position or the second installation position.

2. A vehicle frame according to claim 1, characterized in that: The frame further comprises a first mounting member (10), the two ends of which are respectively connected to the first rear section (9) and the second rear section, and the seat bucket (6) is connected to the first mounting member (10).

3. A vehicle frame according to claim 1, characterized in that: The frame further comprises a second mounting member (11), the two ends of the second mounting member (11) being respectively connected to the first rear section (9) and the second rear section. The electric vehicle comprises a controller (12), the controller (12) being arranged on the second mounting member (11), and the controller (12) being electrically connected to the battery (24).

4. The vehicle frame according to claim 1, wherein: The left lower side tube (3) includes a third front section (13), a third middle section (14) and a third rear section (15); the right lower side tube (5) includes a fourth front section, a fourth middle section and a fourth rear section; the two ends of the third middle section (14) are respectively connected to the third front section (13) and the third rear section (15); the two ends of the fourth middle section are respectively connected to the fourth front section and the fourth rear section; the third front section (13) and the fourth front section are both connected to the bottom of the main beam tube (1); the third middle section (14) is located below the first middle section (8); the third rear section (15) is connected to the first rear section (9); the fourth middle section is located below the second middle section; and the fourth rear section is connected to the second rear section.

5. A vehicle frame according to claim 4, characterized in that: The frame further comprises a third mounting member (16), both ends of which are respectively connected to the third rear section (15) and the fourth rear section, and the seat bucket (6) is connected to the third mounting member (16).

6. The vehicle frame according to claim 4, characterized in that: The frame further comprises two first connecting members (17), the two ends of one first connecting member (17) being respectively connected to the first front section (7) and the third front section (13), and the two ends of the other first connecting member (17) being respectively connected to the second front section and the fourth front section.

7. The vehicle frame according to claim 4, characterized in that: The frame further comprises two second connecting members (18), the two ends of one second connecting member (18) being respectively connected to the first middle section (8) and the third middle section (14), and the two ends of the other second connecting member (18) being respectively connected to the second middle section and the fourth middle section.

8. The vehicle frame according to claim 4, characterized in that: The frame further comprises two third connecting members (19), the two ends of one third connecting member (19) being respectively connected to the first rear section (9) and the third rear section (15), and the two ends of the other third connecting member (19) being respectively connected to the second rear section and the fourth rear section.

9. The vehicle frame according to claim 8, characterized in that: The third connecting member (19) is provided with a weight-reducing hole (191).

10. A vehicle frame according to any one of claims 1 to 9, characterized in that: The frame further comprises two first brackets (20), the two first brackets (20) being respectively arranged on the first rear section (9) and the second rear section, and the two first brackets (20) being used for connecting the handrails.

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