Hanging structure of motorcycle engine

Abstract

The utility model belongs to the technical field of motorcycle accessories, and relates to a hanging structure of a motorcycle engine, which comprises a frame assembly and an engine assembly, the frame assembly and the engine assembly are connected through a hanging bracket assembly, and the hanging bracket assembly comprises a main hanging bracket pipe, a frame connecting arm and an engine connecting arm. The lower ends of the frame connecting arms are fixedly connected with the main hanging bracket pipe, the upper ends of the frame connecting arms are movably connected with the frame assembly, the front ends of the engine connecting arms are fixedly connected with the main hanging bracket pipe, the rear ends of the engine connecting arms are movably connected with the engine assembly, the frame connecting arms and the engine connecting arms are arranged in pairs, and the frame connecting arms are located on the outer sides of the engine connecting arms. The frame connecting arm firstly extends towards the front side from bottom to top and then extends towards the rear side to form an arc-shaped structure. The hanging structure of the motorcycle engine has the advantages of being small in occupied space and good in damping effect.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of motorcycle accessories relates to a kind of hanging structure of motorcycle engine. BACKGROUND

[0002] The suspension system of motorcycle engine is very important for motorcycle, and its damping effect is related to the safety of engine. If the damping effect is not good during high-speed driving, the engine will be damaged. The motorcycle engine is generally installed by suspension. The existing suspension structure is generally made of multiple metal pipes welded into a frame structure, which occupies a large space, but the damping performance is not ideal. UTILITY MODEL CONTENT

[0003] The utility model provides a kind of hanging structure of motorcycle engine, with the advantages of small space occupation and good damping effect, to solve the technical problems of the prior art.

[0004] To solve the above technical problems, the utility model achieves the purpose through the following technical scheme:

[0005] A kind of hanging structure of motorcycle engine, including frame assembly and engine assembly, the frame assembly and engine assembly are connected by suspension assembly, the suspension assembly includes main suspension pipe, frame connecting arm and engine connecting arm, the lower end of the frame connecting arm is fixedly connected with the main suspension pipe, and the upper end is movably connected with the frame assembly, the front end of the engine connecting arm is fixedly connected with the main suspension pipe, and the rear end is movably connected with the engine assembly, the frame connecting arm and the engine connecting arm are arranged in pairs, and the frame connecting arm is located on the outer side of the engine connecting arm, the frame connecting arm extends to the front side first and then extends to the rear side in an arc shape from bottom to top.

[0006] In the above-mentioned hanging structure of motorcycle engine, the frame connecting arm includes a front extension, a connecting part and a rear extension, the front extension and the rear extension are connected by the connecting part, and the rear extension is located on the outer side of the front extension; preferably, the front extension and the rear extension are distributed in parallel along the vertical direction; preferably, the front extension, the connecting part and the rear extension are integrally formed by sheet metal.

[0007] In the above-mentioned hanging structure of motorcycle engine, the upper end of the frame connecting arm is provided with a frame connecting seat, and a frame rubber damping sleeve for connecting the frame assembly is arranged in the frame connecting seat; the rear end of the engine connecting arm is provided with an engine connecting seat, and an engine rubber damping sleeve for connecting the engine assembly is arranged in the engine connecting seat.

[0008] In the motorcycle engine hanging structure, the connecting arms are connected by a connecting rod, and the two ends of the connecting rod are respectively welded and fixed to the connecting portions of the two connecting arms.

[0009] In the motorcycle engine hanging structure, the rear side of the frame assembly is welded and fixed with a hanging bracket mounting plate, the rear side of the hanging bracket mounting plate is provided with a U-shaped mounting seat, the U-shaped mounting seat is connected with the frame rubber damping sleeve through damping bolts, and preferably, the two inner sides of the U-shaped mounting seat are in abutting connection with the two outer sides of the frame rubber damping sleeve.

[0010] In the motorcycle engine hanging structure, the front side of the engine assembly is provided with an engine lifting lug, the lifting lug is provided with a lifting lug rubber damping sleeve, and the lifting lug rubber damping sleeve is connected with the engine rubber damping sleeve through damping bolts; preferably, the engine lifting lug is arranged on the inner side of the engine connecting arm.

[0011] In the motorcycle engine hanging structure, the connecting arms are connected by a connecting rod, and the two ends of the connecting rod are respectively welded and fixed to the connecting portions of the two connecting arms.

[0012] In the motorcycle engine hanging structure, the connecting arms are connected by a connecting rod, and the two ends of the connecting rod are respectively welded and fixed to the connecting portions of the two connecting arms.

[0013] Compared with the prior art, the motorcycle engine hanging structure has the following beneficial effects:

[0014] 1. The motorcycle engine hanging structure improves the hanging bracket structure, and the main hanging bracket pipe, the frame connecting arm and the engine connecting arm form a hanging bracket assembly for connecting the frame assembly and the engine assembly.

[0015] 2、The hanging structure of the utility model has better shock absorption performance, rubber shock absorption sleeves are arranged at the connecting end portions of the vehicle frame connecting arm, the engine connecting arm and the engine lifting lug, shock absorption components that connect the vehicle frame assembly and the engine assembly on the side of the hanger assembly are additionally arranged, and the four components cooperate with each other to provide better shock absorption effect during the running of the motorcycle.

[0016] 3、The utility model discloses a connecting rod is connected two vehicle frame connecting arms, can promote hanger rigidity, can promote hanger size precision. DRAWINGS

[0017] Figure 1 It is another perspective view of the utility model;

[0018] Figure 2 It is another perspective view of the utility model;

[0019] Figure 3 It is the perspective view of the hanger assembly of the utility model;

[0020] Figure 4 It is the perspective view of the hanger assembly of the utility model (increased connecting rod);

[0021] Fig. 1, vehicle frame assembly; 11, hanger mounting plate; 12, U-shaped mounting seat; 13, shock absorption slide; 2, engine assembly; 21, engine lifting lug; 22, lifting lug rubber shock absorption sleeve; 3, hanger assembly; 31, main hanger pipe; 32, vehicle frame connecting arm; 32a, front extension; 32b, connecting portion; 32c, rear extension; 33, engine connecting arm; 34, vehicle frame connecting seat; 35, vehicle frame rubber shock absorption sleeve; 36, engine connecting seat; 37, engine rubber shock absorption sleeve; 38, connecting rod; 41, metal rod; 42, shock absorption rubber piece. DETAILED DESCRIPTION

[0022] The utility model will be further described in conjunction with the specific embodiment of the drawings, referring to Figures 1-4 :

[0023] A kind of hanging structure of motorcycle engine, including vehicle frame assembly 1 and engine assembly 2, the vehicle frame assembly 1 and engine assembly 2 are connected by hanger assembly 3, the hanger assembly 3 includes main hanger pipe 31, vehicle frame connecting arm 32 and engine connecting arm 33, the lower end of vehicle frame connecting arm 32 is fixedly connected with main hanger pipe 31, upper end is movably connected with vehicle frame assembly 1, the front end of engine connecting arm 33 is fixedly connected with main hanger pipe 31, rear end is movably connected with engine assembly 2, vehicle frame connecting arm 32 and engine connecting arm 33 are both arranged in pairs and vehicle frame connecting arm 32 is located at the outer side of engine connecting arm 33, vehicle frame connecting arm 32 is first extended to front side from bottom to top, then extended to rear side into arc structure.

[0024] Contrast with the Figure 1 And the Figure 2 In use, the embodiment is equipped with the frame assembly 1 and the engine assembly 2 through the frame connecting arm 32 and the engine connecting arm 33 of the hanger assembly 3 respectively, forming the hanging structure of the motorcycle engine. The hanger assembly 3 of the embodiment provides the main rigid support structure through the main hanger pipe 31, and provides the connecting structure more suitable for the frame assembly 1 and the engine assembly 2 through the unique frame connecting arm 32 and the engine connecting arm 33, and can also save the space occupation to the maximum.

[0025] Contrast with the Figure 3 The frame connecting arm 32 includes a front extension 32a, a connecting part 32b and a rear extension 32c, the front extension 32a and the rear extension 32c are connected through the connecting part 32b and the rear extension 32c is located outside the front extension 32a; preferably, the front extension 32a and the rear extension 32c are distributed in parallel along the vertical direction; preferably, the front extension 32a, the connecting part 32b and the rear extension 32c are integrally formed by sheet metal. The structure of the frame connecting arm 32 can save space, facilitate connection and increase structural strength.

[0026] Contrast with the Figure 4 Further, the frame connecting arms 32 are connected through connecting rods 38, both ends of the connecting rod 38 are welded and fixed with the connecting parts 32b of the two frame connecting arms 32 respectively; further, the middle part of the connecting rod 38 is bent forward to form a protruding part. The connecting rod 38 can increase the rigidity of the hanger and improve the size accuracy of the hanger.

[0027] The embodiment provides a damping effect through the movable connecting structure, and the movable connecting part is mainly a rubber damping sleeve. During the driving of the motorcycle, when vibration occurs, the rubber damping sleeve will produce elastic deformation, and the movable connecting part will move relatively to provide deformation space, thereby producing a damping effect. Specifically:

[0028] The upper end of the frame connecting arm 32 is provided with a frame connecting seat 34, the frame connecting seat 34 is provided with a frame rubber damping sleeve 35 connected with the frame assembly 1; the rear end of the engine connecting arm 33 is provided with an engine connecting seat 36, the engine connecting seat 36 is provided with an engine rubber damping sleeve 37 connected with the engine assembly 2.

[0029] Further, the rear side of the frame assembly 1 is welded and fixed with a hanger mounting plate 11, the rear side of the hanger mounting plate 11 is provided with a U-shaped mounting seat 12, the U-shaped mounting seat 12 is connected with the frame rubber damping sleeve 35 through a damping bolt; preferably, both inner sides of the U-shaped mounting seat 12 are in abutting connection with both outer sides of the frame rubber damping sleeve 35.

[0030] Further, the front side of the engine assembly 2 is provided with an engine lifting lug 21, an inner side of the engine lifting lug 21 is provided with a lifting lug rubber damping sleeve 22, the lifting lug rubber damping sleeve 22 is connected with the engine rubber damping sleeve 37 through a damping bolt; preferably, the engine lifting lug 21 is arranged at the inner side of the engine connecting arm 33.

[0031] In the embodiment, the frame connecting arm 32 and the engine connecting arm 33 are respectively sleeved on the end of the main lifting frame pipe 31 and are welded and fixed; preferably, the frame connecting arm 32 and the engine connecting arm 33 are both in a sheet structure.

[0032] By comparing the drawings Figure 2 The embodiment further provides a damping assembly to strengthen the damping effect, specifically: one side of the lifting frame assembly 3 is provided with a damping assembly, the damping assembly comprises a metal rod 41 and a damping rubber piece 42, the rear end of the metal rod 41 is fixed at the outer side of the engine rubber damping sleeve 37, the damping rubber piece 42 is sleeved on the front end of the metal rod 41, the bottom of the U-shaped mounting seat 12 is provided with a damping sliding seat 13, the damping sliding seat 13 is slidably arranged at the front end of the metal rod 41, and the damping rubber piece 42 is respectively in abutting connection with the front side and the rear side of the damping sliding seat 13. Further, the metal rod 41, the lifting lug rubber damping sleeve 22 and the engine rubber damping sleeve 37 are coaxially arranged and connected through the same damping bolt.

[0033] The rubber damping sleeve and the damping assembly of the embodiment can produce a synergistic damping effect, the rubber damping sleeve mainly provides a damping effect during translation, and the damping assembly mainly provides a damping effect during relative rotation. When vibration occurs, the frame assembly 1 and the lifting frame assembly 3 produce relative rotation around the connection therebetween, the damping sliding seat 13 slides relative to the metal rod 41, and the damping rubber piece 42 deforms while sliding, thereby producing a damping effect.

[0034] The above embodiment is only a preferred embodiment of the utility model, and does not limit the protection scope of the utility model, therefore: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A motorcycle engine suspension structure, comprising a frame assembly (1) and an engine assembly (2), wherein the frame assembly (1) and the engine assembly (2) are connected via a hanger assembly (3), characterized in that: The hanger assembly (3) comprises a main hanger tube (31), a frame connecting arm (32) and an engine connecting arm (33); the lower end of the frame connecting arm (32) is fixedly connected to the main hanger tube (31), and the upper end is movably connected to the frame assembly (1); the front end of the engine connecting arm (33) is fixedly connected to the main hanger tube (31), and the rear end is movably connected to the engine assembly (2); the frame connecting arm (32) and the engine connecting arm (33) are both arranged in pairs, and the frame connecting arm (32) is located outside the engine connecting arm (33); the frame connecting arm (32) extends from bottom to top first to the front side and then to the rear side to form an arc structure.

2. A motorcycle engine suspension structure according to claim 1, characterized in that: The frame connecting arm (32) comprises a front extension portion (32a), a connecting portion (32b) and a rear extension portion (32c); the front extension portion (32a) and the rear extension portion (32c) are connected via the connecting portion (32b), and the rear extension portion (32c) is located outside the front extension portion (32a).

3. The motorcycle engine suspension structure according to claim 1, characterized in that: The upper end of the frame connecting arm (32) is provided with a frame connecting seat (34), and a frame rubber shock-absorbing sleeve (35) connected to the frame assembly (1) is provided in the frame connecting seat (34); the rear end of the engine connecting arm (33) is provided with an engine connecting seat (36), and an engine rubber shock-absorbing sleeve (37) connected to the engine assembly (2) is provided in the engine connecting seat (36).

4. The motorcycle engine suspension structure according to claim 2, characterized in that: The frame connecting arms (32) are connected via a connecting rod (38), and both ends of the connecting rod (38) are respectively welded and fixed to the connecting parts (32b) of the two frame connecting arms (32).

5. The motorcycle engine suspension structure according to claim 3, characterized in that: A hanger mounting plate (11) is welded and fixed to the rear side of the frame assembly (1), a U-shaped mounting seat (12) is provided on the rear side of the hanger mounting plate (11), and the U-shaped mounting seat (12) is connected to the frame rubber shock-absorbing sleeve (35) via shock-absorbing bolts.

6. The motorcycle engine suspension structure according to claim 3, characterized in that: An engine lifting lug (21) is provided on the front side of the engine assembly (2), a lifting lug rubber shock-absorbing sleeve (22) is provided in the engine lifting lug (21), and the lifting lug rubber shock-absorbing sleeve (22) is connected to the engine rubber shock-absorbing sleeve (37) via a shock-absorbing bolt.

7. The motorcycle engine suspension structure according to claim 1, characterized in that: The vehicle frame connecting arm (32) and the engine connecting arm (33) are respectively sleeved on the ends of the main hanger tube (31) and fixed with the main hanger tube by welding.

8. The motorcycle engine suspension structure according to claim 5, characterized in that: A shock-absorbing assembly is provided on one side of the hanger assembly (3), and the shock-absorbing assembly includes a metal rod (41) and a shock-absorbing rubber member (42). The rear end of the metal rod (41) is fixed to the outside of the engine rubber shock-absorbing sleeve (37), and the shock-absorbing rubber member (42) is sleeved on the front end of the metal rod (41). A shock-absorbing slide (13) is provided at the bottom of the U-shaped mounting seat (12), and the shock-absorbing slide (13) is slidably provided on the front end of the metal rod (41). The shock-absorbing rubber member (42) is respectively connected to the front and rear sides of the shock-absorbing slide (13).

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