A cradle-type round tube off-road motorcycle frame

Abstract

The utility model discloses a cradle-type round tube off-road motorcycle frame, comprising a main beam, a support tube, a main connecting tube, a rear connecting tube and an upper connecting tube, the front end of the main beam is connected to the top of a front seat plate, the rear end of the main beam is connected to a connecting block, the bottom of the front seat plate is connected to the top of the support tube, the bottom of the support tube is connected to one end of the main connecting tube, the other end of the main connecting tube is connected to the main beam, the connecting block is also connected to one end of an upper connecting tube, the other end of the upper connecting tube is connected to one end of a rear connecting tube, and the other end of the connecting tube is connected to the middle part of the main connecting tube. The cradle-type off-road motorcycle frame of the utility model adopts a round tube design, the round tube has excellent force resistance, and the frame structure design is simple while the strength and stability can be increased, ultimately achieving the effects of lightweight, simplicity and strong practicality.

Description

Technical Field

[0001] The utility model relates to the technical field of off-road motorcycles, in particular to a cradle-type round tube off-road motorcycle frame. Background Art

[0002] The steel tube cradle frame is a frame formed by bending steel tubes, and the strength and toughness of the steel tubes are used to support the frame. During the production process, multiple processes such as cutting, bending, welding, and polishing are required. The steel tube cradle frame is widely used in various scenarios such as urban bicycles and shared bicycles. In addition, the existing steel tube cradle frame is also used on off-road motorcycles, but the driving environment and road conditions of off-road motorcycles are relatively harsh. If its off-road type and stability performance are to be guaranteed, the number and thickness of steel tubes must be increased. The structural design of the frame must be more complicated to meet its strength and support stability requirements, which increases the cost and does not meet the lightweight design requirements. Utility Model Content

[0003] In order to solve the above problems, the utility model provides a cradle-type round tube off-road motorcycle frame.

[0004] The utility model adopts the following technical solutions:

[0005] A cradle-type round tube off-road motorcycle frame comprises a main beam, a support tube, a main connecting tube, a rear connecting tube and an upper connecting tube, wherein the front end of the main beam is connected to the top of a front seat plate, the rear end of the main beam is connected to a connecting block, the bottom of the front seat plate is connected to the top of the support tube, the bottom of the support tube is connected to one end of the main connecting tube, the other end of the main connecting tube is connected to the main beam, the connecting block is also connected to one end of an upper connecting tube, the other end of the upper connecting tube is connected to one end of a rear connecting tube, and the other end of the rear connecting tube is connected to the middle part of the main connecting tube.

[0006] As an optimal technical solution of the utility model, the bottom of the main beam and the middle part of the front seat plate are connected to the top of the reinforcing plate, the bottom of the reinforcing plate is connected to the middle part of the support tube, and the middle part of the reinforcing plate is connected to the main beam through the reinforcing tube.

[0007] As a preferred technical solution of the utility model, the number of the main connecting pipes, the rear connecting pipes and the upper connecting pipes are two respectively, the middle positions of the two main connecting pipes are connected by a cross pipe one, the two main connecting pipes are located below the support pipes and are connected by a connecting plate two, the two main connecting pipes are located below the connecting block and are connected by a cross pipe two, the middle positions of the two upper connecting pipes are connected with a connecting plate one, and the two upper connecting pipes are connected with a cross pipe three near the connection with the rear connecting pipe.

[0008] As a preferred technical solution of the utility model, the transverse tube one is provided with a tongue buckle plate one, and the number of the tongue buckle plates one is four; the transverse tube two is provided with a tongue buckle plate two, and the number of the tongue buckle plates two is two; the tail of the connecting tube is provided with a tongue buckle plate seven near the transverse tube three, and the number of the tongue buckle plates seven is two.

[0009] As a preferred technical solution of the utility model, the rear connecting pipe is provided with tongue buckle plate five, tongue buckle plate four, and tongue buckle plate three from top to bottom, and the number of tongue buckle plate five, tongue buckle plate four, and tongue buckle plate three is two respectively.

[0010] As an optimal technical solution of the utility model, connecting plates four and five are respectively connected on both sides of the connection between the cross tube two and the main connecting tube and the connection between the cross tube one and the main connecting tube along the length direction of the main connecting tube, and connecting plate three is connected to the connection between the main connecting tube and the cross tube one.

[0011] As a preferred technical solution of the utility model, the middle of the transverse tube is connected to the bottom of the V-shaped diagonal bracing tube, and the top of the V-shaped diagonal bracing tube is respectively connected to the main connecting pipe.

[0012] As a preferred technical solution of the utility model, a tongue buckle plate six is ​​arranged on the top of the main connecting pipe, and the number of the tongue buckle plates six is ​​two.

[0013] As a preferred technical solution of the utility model, the main beam, support tube, main connecting tube, rear connecting tube, upper connecting tube, cross tube 1, V-shaped diagonal bracing tube, and cross tube 2 are all round tubes.

[0014] The beneficial effects of the utility model are:

[0015] The cradle-type off-road motorcycle frame of the utility model adopts a round tube design, and the round tube has excellent force-bearing properties. While the frame structure design is simple, the strength and stability can be increased, and ultimately the effect of light weight, simplicity and strong practicality is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is the front view of the frame of the utility model;

[0017] Figure 2 This is the front view of the frame of the utility model;

[0018] Figure 3 This is a top view of the frame of the utility model;

[0019] Figure 4 It is a right side view of the frame of the utility model.

[0020] Explanation of symbols in the figure:

[0021] 1: main beam, 2: front seat plate, 3: reinforcement plate, 4: support tube, 5: main connecting tube, 6: transverse tube one, 7: V-shaped diagonal bracing tube, 8: transverse tube two, 9: rear connecting tube, 10: upper connecting tube, 11: transverse tube three, 12: connecting plate one, 13: reinforcement tube, 14: connecting block, 15: connecting plate two, 16: connecting plate three, 17: tongue buckle plate one, 18: connecting plate four, 19: connecting plate five, 20: tongue buckle plate two, 21: tongue buckle plate three, 22: tongue buckle plate four, 23: tongue buckle plate five, 24: tongue buckle plate six, 25: tongue buckle plate seven. DETAILED DESCRIPTION

[0022] The utility model is now described in further detail with reference to the accompanying drawings.

[0023] In the embodiments, it should be understood that the terms "middle", "upper", "lower", "top", "bottom", "right", "left", "above", "below", "back", "front", "middle", "outside", "inside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the embodiments.

[0024] like Figures 1 to 4 As shown, a cradle-type round tube off-road motorcycle frame includes a main beam 1, a support tube 4, a main connecting tube 5, a rear connecting tube 9 and an upper connecting tube 10. The front end of the main beam 1 is connected to the top of the front seat plate 2, and the rear end of the main beam 1 is connected to the connecting block 14. The bottom of the front seat plate 2 is connected to the top of the support tube 4, the bottom of the support tube 4 is connected to one end of the main connecting tube 5, and the other end of the main connecting tube 5 is connected to the main beam 1. The connecting block 14 is also connected to one end of the upper connecting tube 10, and the other end of the upper connecting tube 10 is connected to one end of the rear connecting tube 9, and the other end of the rear connecting tube 9 is connected to the middle part of the main connecting tube 5.

[0025] Furthermore, the bottom of the main beam 1 and the middle part of the front seat plate 2 are connected to the top of the reinforcing plate 3, the bottom of the reinforcing plate 3 is connected to the middle part of the support tube 4, and the middle part of the reinforcing plate 3 is connected to the main beam 1 through the reinforcing tube 13.

[0026] Furthermore, the number of the main connecting pipes 5, the rear connecting pipes 9 and the upper connecting pipes 10 are two respectively, the middle positions of the two main connecting pipes 5 are connected by a cross pipe 1 6, the two main connecting pipes 5 are located below the support pipe 4 and are connected by a connecting plate 2 15, the two main connecting pipes 5 are located below the connecting block 14 and are connected by a cross pipe 2 8, the middle positions of the two upper connecting pipes 10 are connected with a connecting plate 12, and the two upper connecting pipes 10 are connected with a cross pipe 3 11 near the connection with the rear connecting pipe 9.

[0027] Furthermore, the transverse tube 1 6 is provided with a tongue buckle plate 17, and the number of the tongue buckle plates 17 is four; the transverse tube 2 8 is provided with a tongue buckle plate 20, and the number of the tongue buckle plates 20 is two; the rear part of the connecting tube 10 is provided with a tongue buckle plate 7 25 near the transverse tube 3 11, and the number of the tongue buckle plates 7 25 is two.

[0028] Furthermore, the rear connecting pipe 9 is provided with a tongue buckle plate 5 23, a tongue buckle plate 4 22, and a tongue buckle plate 3 21 in sequence from top to bottom, and the number of the tongue buckle plate 5 23, the tongue buckle plate 4 22, and the tongue buckle plate 3 21 is two respectively.

[0029] Furthermore, connecting plates 4 18 and 5 19 are respectively connected on both sides of the main connecting pipe 5 from the connection between the transverse pipe 2 8 and the main connecting pipe 5 to the connection between the transverse pipe 1 6 and the main connecting pipe 5 along the length direction of the main connecting pipe 5, and connecting plate 3 16 is connected to the main connecting pipe 5 facing away from the connection with the transverse pipe 1 6.

[0030] Furthermore, the middle of the transverse tube 6 is connected to the bottom of the V-shaped diagonal bracing tube 7, and the top of the V-shaped diagonal bracing tube 7 is respectively connected to the main connecting tube 5.

[0031] Furthermore, a tongue buckle plate six 24 is provided at the top of the main connecting pipe 5, and the number of the tongue buckle plates six 24 is two.

[0032] Furthermore, the main beam 1, the supporting tube 4, the main connecting tube 5, the rear connecting tube 9, the upper connecting tube 10, the transverse tube 1 6, the V-shaped diagonal bracing tube 7, and the transverse tube 2 8 are all round tubes.

[0033] Finally, it should be noted that these embodiments are only used to illustrate the present invention and do not limit the scope of the present invention. In addition, for those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the embodiments here. The obvious changes or modifications derived from them are still within the scope of protection of the present invention.

Claims

1. A cradle-type round tube off-road motorcycle frame, characterized in that: The invention comprises a main beam (1), a support tube (4), a main connecting tube (5), a rear connecting tube (9) and an upper connecting tube (10), wherein the front end of the main beam (1) is connected to the top of the front seat plate (2), the rear end of the main beam (1) is connected to a connecting block (14), the bottom of the front seat plate (2) is connected to the top of the support tube (4), the bottom of the support tube (4) is connected to one end of the main connecting tube (5), the other end of the main connecting tube (5) is connected to the main beam (1), the connecting block (14) is also connected to one end of the upper connecting tube (10), the other end of the upper connecting tube (10) is connected to one end of the rear connecting tube (9), and the other end of the rear connecting tube (9) is connected to the middle part of the main connecting tube (5).

2. The cradle-type round tube off-road motorcycle frame according to claim 1, characterized in that: The bottom of the main beam (1) and the middle part of the front seat plate (2) are both connected to the top of the reinforcing plate (3), the bottom of the reinforcing plate (3) is connected to the middle part of the supporting tube (4), and the middle part of the reinforcing plate (3) is connected to the main beam (1) via the reinforcing tube (13).

3. The cradle-type round tube off-road motorcycle frame according to claim 1, characterized in that: The number of the main connecting pipe (5), the rear connecting pipe (9) and the upper connecting pipe (10) is two respectively. The middle positions of the two main connecting pipes (5) are connected by a transverse pipe one (6). The two main connecting pipes (5) are located below the support pipe (4) and are connected by a connecting plate two (15). The two main connecting pipes (5) are located below the connecting block (14) and are connected by a transverse pipe two (8). The middle positions of the two upper connecting pipes (10) are connected by a connecting plate one (12). The two upper connecting pipes (10) are connected by a transverse pipe three (11) near the connection position with the rear connecting pipe (9).

4. The cradle-type round tube off-road motorcycle frame according to claim 3, characterized in that: The transverse tube one (6) is provided with a tongue buckle plate one (17), the number of which is four; the transverse tube two (8) is provided with a tongue buckle plate two (20), the number of which is two; the rear portion of the connecting tube (10) is provided with a tongue buckle plate seven (25) near the transverse tube three (11), the number of which is two.

5. The cradle-type round tube off-road motorcycle frame according to claim 1, characterized in that: The rear connecting pipe (9) is provided with a tongue buckle plate five (23), a tongue buckle plate four (22), and a tongue buckle plate three (21) in order from top to bottom, and the number of the tongue buckle plate five (23), the tongue buckle plate four (22), and the tongue buckle plate three (21) is two respectively.

6. The cradle-type round tube off-road motorcycle frame according to claim 4, characterized in that: A connection plate 4 (18) and a connection plate 5 (19) are respectively connected on both sides of the length direction of the main connecting pipe (5) from the connection point between the second transverse pipe (8) and the main connecting pipe (5) to the connection point between the first transverse pipe (6) and the main connecting pipe (5), and a connection plate 3 (16) is connected to the main connecting pipe (5) opposite to the connection point of the first transverse pipe (6).

7. The cradle-type round tube off-road motorcycle frame according to claim 6, characterized in that: The middle of the first transverse tube (6) is connected to the bottom of the V-shaped diagonal bracing tube (7), and the top of the V-shaped diagonal bracing tube (7) is respectively connected to the main connecting tube (5).

8. The cradle-type round tube off-road motorcycle frame according to claim 1, characterized in that: The top of the main connecting pipe (5) is provided with a tongue buckle plate six (24), and the number of the tongue buckle plates six (24) is two.

9. The cradle-type round tube off-road motorcycle frame according to claim 1, characterized in that: The main beam (1), the supporting tube (4), the main connecting tube (5), the rear connecting tube (9), the upper connecting tube (10), the first transverse tube (6), the V-shaped diagonal bracing tube (7), and the second transverse tube (8) are all round tubes.

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