All-terrain vehicle transmission system

Abstract

The utility model relates to a transmission system of an all-terrain vehicle, which belongs to the technical field of transmission equipment and comprises a first transmission part and a second transmission part, a gap is reserved between the first transmission part and the second transmission part, and a flexible connecting part capable of sliding axially and shifting radially is connected between the first transmission part and the second transmission part. A sealing piece is arranged on the outer side of the joint of the first transmission piece and the second transmission piece. The first transmission piece and the second transmission piece which are used for connecting the rear axle and the output shaft of the engine are connected through the flexible connecting piece capable of sliding in the axial direction and shifting in the radial direction, installation is convenient, axial sliding and radial shifting can be conducted when the engine vibrates, and vibration is better prevented from being transmitted to the rear axle to damage the rear axle.

Description

Technical Field

[0001] The utility model relates to an all-terrain vehicle transmission system, belonging to the technical field of transmission equipment. Background Art

[0002] All-terrain vehicle is a kind of transportation suitable for all terrains, commonly known as "beach car", beach car, also known as all-terrain four-wheel off-road vehicle, with good off-road performance. In an all-terrain vehicle, the connection between the rear axle and the output shaft of the engine is a very critical transmission part. At present, rigid connectors are often used for connection, but this is not easy to install, and the vibration of the engine can easily be transmitted to the rear axle, causing the rear axle to vibrate and cause damage to the rear axle. Utility Model Content

[0003] The utility model provides an all-terrain vehicle transmission system, which solves the problem that the rear axle and the engine output shaft are currently connected by rigid connecting pieces, which are difficult to install and the vibration of the engine is easily transmitted to the rear axle, causing the rear axle to vibrate and damage the rear axle.

[0004] The utility model relates to an all-terrain vehicle transmission system, comprising a transmission member 1 and a transmission member 2, a spacing is arranged between the transmission member 1 and the transmission member 2, and a flexible connection member which can slide axially and deflect radially is connected between the transmission member 1 and the transmission member 2.

[0005] A sealing member is provided on the outside of the connection between the transmission member 1 and the transmission member 2, which can seal the connection to prevent lubricant leakage and dust from entering the connection.

[0006] As a preferred embodiment, the flexible connecting member is a connecting key shaft, both ends of the connecting key shaft are provided with drum-shaped connecting keys, the connecting ends of transmission member one and transmission member two are provided with connecting key grooves that cooperate with the drum-shaped connecting keys, the connecting key shaft can slide axially along the connecting key grooves, and the drum-shaped connecting key structure can perform radial micro-offsets.

[0007] As a preferred embodiment, thrust springs are provided at both ends of the drum-shaped connecting key, and the outer ends of the thrust springs are supported on the support platforms of the transmission member 1 and the transmission member 2. The thrust springs can maintain the position of the connecting key shaft to facilitate resetting after vibration.

[0008] As a preferred embodiment, the outer end of the thrust spring is supported by a fixing nut, and a gasket is provided at the outer end of the fixing nut. The outer side of the gasket is in contact with the support platform to facilitate installation and positioning, and the fixing nut can be connected and fixed on the head screw of the rear axle shaft and the output shaft.

[0009] As a preference, a connecting portion is provided at the opposite end of the transmission member 1 and the transmission member 2.

[0010] As a preferred embodiment, the connecting portion is a connecting spline groove, a pin keyway or a connecting flange, which is convenient for connecting the rear axle shaft and the output shaft.

[0011] As a preferred embodiment, the sealing member is a sealing sleeve, and the two ends of the sealing sleeve are respectively sleeved on the outer side walls of the transmission member 1 and the transmission member 2. A corrugated section is provided in the middle of the sealing sleeve, which can be axially extended and radially offset to adapt to the transmission of the flexible connector.

[0012] As a preferred embodiment, a sealing ring groove is provided on the outer side wall of the connecting end of the transmission member 1 and the transmission member 2, the sealing sleeve is sleeved in the sealing ring groove, and a trumpet-shaped avoidance opening is provided at the inner hole of the outer end of the sealing sleeve. When the sealing sleeve is assembled and installed, if the outer end portion is sleeved on the outer side of the sealing ring groove due to inadvertently, the avoidance opening can avoid the end wall of the sealing ring groove, thereby preventing the sealing inner hole of the sealing sleeve from failing to fit closely against the inner wall of the sealing ring groove, affecting the sealing effect, and facilitating the installation of the sealing sleeve.

[0013] As a preferred embodiment, fixed annular grooves are provided on the outer side walls at both ends of the sealing sleeve, and the cable tie, binding strap or clamp for fixing the sealing sleeve can be fixed in the fixed annular grooves to be more firmly secured.

[0014] The utility model has the following beneficial effects:

[0015] Transmission member 1 and transmission member 2 connecting the rear axle and the engine output shaft are connected by a flexible connection member that can slide axially and shift radially, which is convenient for installation. When the engine vibrates, they can slide axially and shift radially to better prevent the vibration from being transmitted to the rear axle and damaging the rear axle. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 3 It is a right view structural schematic diagram of the utility model;

[0019] Figure 4 for Figure 3 Schematic diagram of the cross-sectional structure of AA;

[0020] Figure 5 is a schematic diagram of the structure of the flexible connector;

[0021] In the figure: 1. Transmission part 1, 2. Transmission part 2, 3. Sealing part, 4. Corrugated section, 5. Fixed annular groove, 6. Avoidance opening, 7. Connecting part, 8. Sealing ring groove, 9. Flexible connecting part, 10. Gasket, 11. Thrust spring, 12. Drum-shaped connecting key, 13. Fixing nut. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with embodiments.

[0023] Embodiment 1, as Figures 1 to 5 As shown, the utility model is an all-terrain vehicle transmission system, including a transmission member 1 and a transmission member 2, a spacing is provided between the transmission member 1 and the transmission member 2, and a flexible connection member 9 which can slide axially and shift radially is connected between the transmission member 1 and the transmission member 2.

[0024] When in use, transmission member 1 is connected to the rear axle, transmission member 2 2 is connected to the engine output shaft, the output shaft rotates, and the flexible connection member 2 9 is driven to rotate through transmission member 2, thereby driving the rear axle to rotate through transmission member 1 to achieve transmission. When the output shaft of the engine vibrates, the flexible connection member 9 offsets the vibration by sliding in the axial direction and deflecting in the radial direction, so as to better prevent the vibration from being transmitted to the rear axle.

[0025] Embodiment 2, based on embodiment 1, a sealing member 3 is provided on the outer side of the connection between transmission member 1 and transmission member 2 2 .

[0026] The flexible connecting member 9 is a connecting key shaft, and drum-shaped connecting keys 12 are provided at both ends of the connecting key shaft, and connecting ends of the transmission member 1 and the transmission member 2 are both provided with connecting key slots that match the drum-shaped connecting key 12. The length of the drum-shaped connecting key 12 along the axial direction is less than the length of the connecting key slot along the axial direction. The drum-shaped connecting key 12 is preferably a spline structure.

[0027] Embodiment 3, based on embodiment 1 or 2, thrust springs 11 are provided at both ends of the drum-shaped connecting key 12, and the outer ends of the thrust springs 11 are supported on the supporting platforms of the transmission member 1 and the transmission member 2.

[0028] The outer end of the thrust spring 11 supports a fixing nut 13 , and the outer end of the fixing nut 13 is provided with a gasket 10 , and the outer side of the gasket 10 contacts the support platform.

[0029] A connecting portion 7 is provided at one end opposite to the transmission member 1 and the transmission member 2 2 .

[0030] The connecting portion 7 is a connecting spline groove, a pin key groove or a connecting flange.

[0031] The sealing member 3 is a sealing sleeve, the two ends of which are respectively sleeved on the outer side walls of the transmission member 1 and the transmission member 2 2, and a corrugated section 4 is provided in the middle of the sealing sleeve.

[0032] A sealing ring groove 8 is provided on the outer side wall of the connecting end of the transmission member 1 and the transmission member 2 2, and the sealing sleeve is sleeved on the sealing ring groove 8. A trumpet-shaped avoidance opening 6 is provided at the inner hole of the outer end of the sealing sleeve.

[0033] The outer side walls of both ends of the sealing sleeve are provided with fixed annular grooves 5. The transmission member 1 and the transmission member 2 2 are preferably sleeve-shaped members. The sealing sleeve is a rubber sleeve.

[0034] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0035] In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "upper", "lower", "top", "bottom" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and do not require that the present invention must be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present invention.

Claims

1. An all-terrain vehicle transmission system, comprising a transmission member 1 (1) and a transmission member 2 (2), characterized in that: A spacing is provided between the transmission member 1 (1) and the transmission member 2 (2), and a flexible connection member (9) capable of axial sliding and radial displacement is connected between the transmission member 1 (1) and the transmission member 2 (2).

2. The all-terrain vehicle transmission system according to claim 1, characterized in that: A sealing member (3) is provided on the outer side of the connection between the transmission member 1 (1) and the transmission member 2 (2).

3. The all-terrain vehicle transmission system according to claim 1, characterized in that: The flexible connecting member (9) is a connecting key shaft, and drum-shaped connecting keys (12) are arranged at both ends of the connecting key shaft. The connecting ends of the transmission member 1 (1) and the transmission member 2 (2) are both provided with connecting key grooves matching the drum-shaped connecting keys (12).

4. The all-terrain vehicle transmission system according to claim 3, characterized in that: Both ends of the drum-shaped connecting key (12) are provided with thrust springs (11), and the outer ends of the thrust springs (11) are supported on supporting platforms of the transmission member 1 (1) and the transmission member 2 (2).

5. The all-terrain vehicle transmission system according to claim 4, characterized in that: The outer end of the thrust spring (11) supports a fixing nut (13), the outer end of the fixing nut (13) is provided with a gasket (10), and the outer side of the gasket (10) contacts the support platform.

6. The transmission system for an all-terrain vehicle according to claim 1, characterized in that: A connecting portion (7) is provided at the opposite end of the transmission member 1 (1) and the transmission member 2 (2).

7. The all-terrain vehicle transmission system according to claim 1, characterized in that: The connecting part (7) is a connecting spline groove, a pin key groove or a connecting flange.

8. The all-terrain vehicle transmission system according to claim 2, characterized in that: The sealing member (3) is a sealing sleeve, the two ends of which are respectively sleeved on the outer side walls of the transmission member 1 (1) and the transmission member 2 (2), and a corrugated section (4) is provided in the middle of the sealing sleeve.

9. The transmission system for an all-terrain vehicle according to claim 8, characterized in that: A sealing ring groove (8) is provided on the outer side wall of the connecting end of the transmission member 1 (1) and the transmission member 2 (2), a sealing sleeve is sleeved on the sealing ring groove (8), and a trumpet-shaped avoidance opening (6) is provided at the inner hole of the outer end of the sealing sleeve.

10. The all-terrain vehicle transmission system according to claim 8, characterized in that: The outer side walls at both ends of the sealing sleeve are provided with fixed annular grooves (5).

Images