All-terrain vehicle

Abstract

The all-terrain vehicle comprises a vehicle frame, a top bar, a suspension assembly, a walking assembly and a bearing assembly, the top bar and the vehicle frame define a cab for a driver to sit on, the vehicle frame comprises side beams and a transverse pipe, the side beams are arranged on the left side and the right side of the cab respectively, and the two ends of the transverse pipe are fixedly connected to the side beams on the two sides respectively; the bearing assembly comprises a front-row seat and a rear-row seat, or the bearing assembly comprises the front-row seat and a container; the all-terrain vehicle further comprises a safety belt and retractors, at least part of the retractors are arranged on the transverse pipe, the driver seat and the passenger seat are each provided with at least one retractor, and the retractors can be arranged on the side, close to the side beam, of the driver seat or distributed on the left side and the right side of the driver seat. Through the arrangement, the structural strength of the vehicle frame is improved, meanwhile, normal work of the safety belt and the retractor can be guaranteed in the accident state, and therefore the safety and reliability of the all-terrain vehicle are guaranteed.

Description

Technical Field

[0001] The invention relates to the field of vehicle engineering, in particular to an all-terrain vehicle. Background Art

[0002] All-terrain vehicle, also known as "all-terrain four-wheel off-road motorcycle". All-terrain vehicle has wide tires that can increase the contact area with the ground, generate greater friction and reduce the pressure of the vehicle on the ground, making it easy to travel on beaches, riverbeds, forest roads, streams, and harsh desert terrain. It can carry people or transport goods.

[0003] All-terrain vehicles include SSV (Side-BY-Side Vehicle) which can carry both people and goods. SSV is large in size and is usually used in more complex places with steeper roads than urban roads. In order to ensure driving safety, SSV is equipped with a top bar that surrounds the cockpit and a seat belt and retractor to protect the occupants, just like a passenger car.

[0004] It can be seen that the location of the retractor used to fix the seat belt is very important. When arranging the seat belts of existing SSV all-terrain vehicles, the retractor is usually set on the top bar. Although it basically meets the safety requirements of the vehicle, the connection strength between the frame and the top bar is insufficient. The top bar may be deformed due to the influence of stress, which makes the retractor fixed on the top bar unstable, resulting in a greater safety risk for the occupants. Summary of the invention

[0005] In view of this, an object of the present application is to provide an all-terrain vehicle capable of reducing the risk of failure of a seat belt and a retractor.

[0006] To achieve the above object, the present invention adopts the following technical solution:

[0007] An all-terrain vehicle comprises a frame; a top bar, which is arranged above the frame and fixedly connected to the frame, and the top bar and the frame surround to form a cab for a driver and a passenger to sit in; a suspension assembly, which is connected to the frame; a running assembly, which is connected to the frame through the suspension assembly; a load-bearing assembly, which comprises a front seat and a rear seat arranged side by side in a front-to-back manner, or a front seat and a cargo box arranged side by side in a front-to-back manner, and the front seat is defined as a driver's seat and a passenger seat according to the sitting position of the driver and the passenger; the frame comprises side beams and a cross tube, and the side beams are respectively arranged on the left and right sides of the cab The side beam is at least partially arranged between the front seat and the rear seat, or the side beam is at least partially arranged between the front seat and the cargo box, both ends of the cross tube are respectively fixedly connected to the side beams on both sides, and the cross tube is arranged behind the front seat, and the height of the cross tube is less than or equal to the height of the front seat; the all-terrain vehicle also includes a seat belt and a retractor for retracting the seat belt, the retractor is at least partially arranged on the cross tube and connected to the cross tube, the driver seat and the passenger seat are each equipped with at least one retractor, the retractor can be arranged on the side of the driver's seat close to the side beam, or the retractors are distributed on the left and right sides of the driver's seat.

[0008] Furthermore, the top bar includes an extension portion for connecting the side beam, the height of the extension portion along the up and down direction is defined as the top bar height, the height of the frame along the up and down direction is defined as the side beam height, and the ratio between the top bar height and the side beam height is set to be greater than or equal to 0.4 and less than or equal to 0.65.

[0009] Further, the height difference between the cross tube and the bottom of the frame in the up-down direction is defined as the cross tube height, and the ratio between the cross tube height and the side beam height is set to be greater than or equal to 0.67 and less than 1.

[0010] Furthermore, the extension portion and the side beam are arranged in surface contact, and a first limiting portion and a second limiting portion for mutual limiting are respectively arranged on the extension portion and the side beam, the extension portion is at least partially arranged in the second limiting portion, and the side beam is at least partially arranged in the first limiting portion.

[0011] Furthermore, the first limiting portion is configured as a "U"-shaped groove, and the top end of the side beam is embedded in the first limiting portion; the structure of the second limiting portion is basically consistent with the structure of the first limiting portion, and the end of the extension portion is embedded in the second limiting portion.

[0012] Further, when the extension portion is connected to the side beam, a buffer portion is formed between the extension portion and the side beam, and the buffer portion is configured as a gap space reserved between the extension portion and the side beam.

[0013] Furthermore, the vehicle frame also includes a connecting piece, the connecting piece and the cross tube are arranged to be fixedly connected, and the retractor is arranged on the cross tube through the connecting piece.

[0014] Furthermore, the retractor comprises an outlet, the safety belt is wound inside the retractor and can be stretched outwards in the direction of the outlet, and the direction of the outlet is set to face the front of the all-terrain vehicle.

[0015] Furthermore, the reel includes an outlet, the seat belt is wound inside the reel and can be stretched outward along the direction of the outlet, and the direction of the outlet is set to be toward the top of the all-terrain vehicle; a commutator for changing the stretching direction of the seat belt is provided at the outlet so that the seat belt extends toward the front of the all-terrain vehicle after passing through the commutator.

[0016] To achieve the above object, the present invention provides a technical solution:

[0017] An all-terrain vehicle comprises a frame; a top bar, which is arranged above the frame and fixedly connected to the frame, and the top bar and the frame surround to form a cab for a driver and a passenger to sit in; a suspension assembly, which is connected to the frame; a running assembly, which is connected to the frame through the suspension assembly; a bearing assembly, which comprises a front seat and a rear seat arranged side by side in a front-to-back manner, or a front seat and a cargo box arranged side by side in a front-to-back manner, and the front seat is defined as a driver seat and a passenger seat according to the sitting position of the driver and the passenger; the frame comprises side beams and a cross tube, and the side beams are respectively provided with It is arranged on the left and right sides of the cab, and the two ends of the cross tube are respectively fixedly connected to the side beams on both sides, and the cross tube is arranged behind the front seats, and the height of the cross tube is less than or equal to the height of the front seats; the all-terrain vehicle also includes a seat belt and a retractor for retracting the seat belt, the retractor is at least partially arranged on the cross tube and connected to the cross tube, the top bar includes an extension part for connecting the side beam, the height of the extension part along the up and down direction is defined as the top bar height, the height of the side beam along the up and down direction is defined as the side beam height, and the ratio between the top bar height and the side beam height is set to be greater than or equal to 0.4 and less than or equal to 0.65.

[0018] Through the above arrangement, the connection strength between the frame and the top bar can be made higher, and through the structural arrangement of the frame and the installation of the retractor, the protection of the retractor can be improved to ensure that the safety belt can be used normally. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of an all-terrain vehicle in the first embodiment of the present application.

[0020] Figure 2 This is a schematic diagram of the structure of the frame in the first embodiment of the present application.

[0021] Figure 3 This is a schematic diagram of the structure of the connection between the frame and the top bar in the first embodiment of the present application.

[0022] Figure 4 This is an exploded view of the frame and the top bar in the first embodiment of the present application.

[0023] Figure 5 In the first embodiment of this application Figure 3 Enlarged view of point A.

[0024] Figure 6 It is a top view of the frame in the first embodiment of the present application.

[0025] Figure 7 In the first embodiment of this application Figure 6 Enlarged view of point B.

[0026] Figure 8 It is a schematic diagram of an all-terrain vehicle in the second embodiment of the present application. DETAILED DESCRIPTION

[0027] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the specific implementation modes of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the implementation modes of the present invention.

[0028] It should be noted that when an element is referred to as being "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0029] In the description of the present invention, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features.

[0030] This application provides Figure 1 In the first embodiment shown in the figure, the all-terrain vehicle 100 in the first embodiment includes a frame 11, a top bar 12, a suspension assembly 13, a traveling assembly 14 and a bearing assembly 15. The frame 11 constitutes the basic framework of the all-terrain vehicle 100, and the top bar 12 is arranged to be fixedly connected to the frame 11, and the top bar 12 is arranged above the frame 11. The top bar 12 and the frame 11 surround to form a cab 101 that can accommodate passengers. The suspension assembly 13 is connected to the frame 11, and the traveling assembly 14 is connected to the frame 11 through the suspension assembly 13. The bearing assembly 15 is at least partially arranged in the cab 101 for passengers to sit on. The first embodiment also provides Figure 1 The up-down, left-right, and front-back directions shown are the up-down, left-right, and front-back directions of the all-terrain vehicle 100 .

[0031] like Figure 2 and Figure 3 As shown, as an implementation, the frame 11 includes a side beam 111 extending from the bottom of the frame 11 to the rear and upward, and the side beams 111 are respectively arranged on the left and right sides of the cab 101 to improve the overall structural strength of the frame 11. A symmetry plane 102 perpendicular to the left and right directions of the all-terrain vehicle 100 is defined, and the frame 11 is basically symmetrically arranged about the symmetry plane 102. It can be seen that the side beams 111 are distributed on the left and right sides of the frame 11 and are basically symmetrically arranged about the symmetry plane 102.

[0032] Furthermore, the frame 11 further includes a transverse tube 112 extending in the left-right direction, and both ends of the transverse tube 112 are respectively fixedly connected to the left and right side beams 111, so that the frame 11 has a higher anti-deformation ability when dealing with left-right impact.

[0033] like Figure 2 As shown, specifically, the load-bearing assembly 15 is distributed in the front-to-back direction and is defined as a front seat 151 and a rear seat 152 in sequence. When viewed from the left-right direction of the all-terrain vehicle 100, the side beam 111 is at least partially disposed between the front seat 151 and the rear seat 152. The cross tube 112 is disposed behind the front seat 151 and passes through the cab 101 in the left-right direction. The cross tube 112 disposed behind the front seat 151 can also be grasped by the occupant on the rear seat 152.

[0034] like Figure 2 As shown, the all-terrain vehicle 100 also includes a safety belt 16 and a retractor 17 at least partially arranged on the frame 11, the safety belt 16 is wound inside the retractor 17, and the retractor 17 is at least partially arranged on the cross tube 112 and connected to the cross tube 112. Compared with the related art, the cross tube 112 for setting the retractor 17 is generally located on the top bar 12. For the frame 11, the top bar 12 is more likely to be affected by external forces and deformed, resulting in a greater possibility of failure of the retractor 17, which is not conducive to the protection of the driver and passengers. Therefore, the above arrangement can ensure the normal operation of the safety belt 16 and the retractor 17, thereby improving the safety and reliability of the all-terrain vehicle 100. As can be seen from the above, in addition to being used for the passengers on the rear-row bearing assembly 152 to grasp, the cross tube 112 is also used to set the retractor 17. Therefore, the setting position of the cross tube 112 needs to meet certain conditions, so that the passengers on the rear seats 152 can grasp it while meeting the arrangement requirements of the retractor 17. In addition, the location of the cross pipe 112 can also affect the usable space of the rear seats 152 in the cab 101 to a certain extent.

[0035] like Figure 2As shown, as an implementation, the height difference between the cross tube 112 and the bottom of the frame 11 in the vertical direction is defined as the cross tube height H1. Specifically, the cross tube height H1 is set to be less than or equal to the height of the front seat 151 to facilitate the installation of the seat belt 16 and the retractor 17.

[0036] Further, the front seats 151 are defined as a driver seat 1511 and a passenger seat 1512 according to the seating position of the driver and the passenger. The driver seat 1511 and the passenger seat 1512 are both provided with at least one retractor 17, which can be used as a fixing point for the safety belt 16. When there is one retractor 17, the retractor 17 is respectively arranged at the rear side of the driver seat 1511 and the passenger seat 1512, that is, the retractor 17 is arranged at the left rear of the driver seat 1511 or at a position close to the side beam 111, and the retractor 17 is arranged at the right rear of the passenger seat 1512 or at a position close to the side beam 111; when there are two retractors 17, the retractors 17 are respectively arranged at the left rear and right rear of the driver seat 1511, and the retractors 17 are respectively arranged at the left rear and right rear of the passenger seat 1512.

[0037] Since the driver seat 1511 and the passenger seat 1512 are arranged substantially symmetrically with respect to the symmetry plane 102 , the number of the retractors 17 is arranged substantially symmetrically with respect to the symmetry plane 102 , and the arrangement positions of the retractors 17 are also arranged substantially symmetrically with respect to the symmetry plane 102 .

[0038] like Figure 4As shown, the height difference between the cross tube 112 and the bottom of the frame 11 in the vertical direction is defined as the cross tube height H1, and the height difference between the top of the side beam 111 and the bottom of the frame 11 in the vertical direction is defined as the side beam height H2. As an optional implementation, the ratio between the cross tube height H1 and the side beam height H2 is set to be greater than or equal to 0.65 and less than 1. Specifically, the ratio between the cross tube height H1 and the side beam height H2 is set to be greater than or equal to 0.75 and less than or equal to 0.9. More preferably, the ratio between the cross tube height H1 and the side beam height H2 is set to be equal to 0.85. It can be seen that if the ratio between the cross tube height H1 and the side beam height H2 is too large when the side beam height H2 remains unchanged, the height difference between the cross tube 112 and the bottom of the frame 11 will be too large, so that the retractor 17 arranged on the cross tube 112 is arranged at a higher position, and the seat belt 16 stretched by the retractor 17 cannot effectively protect the occupant. In addition, if the ratio between the height H1 of the cross tube and the height H2 of the side beam is too small, the height difference between the cross tube 112 for arranging the retractor 17 and the bottom of the vehicle frame 11 is too small, which will be disadvantageous for the passengers in the rear seats 152 to grasp and affect the space of the rear seats 152. Through the above arrangement, the cross tube 112 can optimize the arrangement position of the retractor 17 while facilitating the grasping of the passengers in the rear seats 152, thereby effectively protecting the passengers in the front seats 151.

[0039] It is understandable that the top bar 12 can protect the occupants in the cab 101, preventing the occupants from contacting the ground or being thrown out of the cab 101. Therefore, the strength of the top bar 12 determines the safety of the all-terrain vehicle 100. Compared with the related art, the cross tube 112 is set on the top bar 12, but the cross tube 112 is needed to set the retractor 17. Therefore, in order to meet the arrangement position of the retractor 17, the length of the top bar 12 distributed in the up-down direction is generally large, resulting in the top bar 12 needing to bear a large shear force when it is impacted.

[0040] like Figure 4As shown, the top bar 12 includes an extension portion 121, and the top bar 12 is fixedly connected to the side beam 111 through the extension portion 121; wherein the extension portion 121 can be set as a tubular frame that is the same as the frame 11; optionally, the extension portion 121 can also be set as one of a casting or a forging. Observed from the left and right directions of the all-terrain vehicle 100, the length of the extension portion 121 along the up and down direction is defined as the top bar height H3. As an optional implementation, the ratio between the top bar height H3 and the side beam height H2 is set to be greater than or equal to 0.4 and less than or equal to 0.65. Specifically, the ratio between the top bar height H3 and the side beam height H2 is set to be greater than or equal to 0.45 and less than or equal to 0.6. More preferably, the ratio between the top bar height H3 and the side beam height H2 is set to be equal to 0.55. It can be seen that when the side beam height H2 remains unchanged, if the ratio between the top bar height H3 and the side beam height H2 is too large, the height of the extension part 121 in the vertical direction will be too large. During the assembly of the top bar 12, the extension part 121 is likely to interfere with the frame 11, which is not convenient for the assembly of the top bar 12 and the frame 11. In addition, if the top bar height H3 is too large, the top bar 12 needs to bear a large shear force when the vehicle is impacted. The above setting can prevent the top bar 12 from deforming in an accident state. If the ratio between the top bar height H3 and the side beam height H2 is too small, the overall strength and impact resistance of the all-terrain vehicle 100 will be reduced, making the all-terrain vehicle 100 more likely to deform after rolling over. Through the above setting, the overall strength of the frame 11 and the top bar 12 is improved, thereby ensuring the safety of the all-terrain vehicle 100; at the same time, the interference between the top bar 12 and the cross tube 112 bracket can be avoided, thereby improving the assembly efficiency of the frame 11.

[0041] like Figure 5 As shown, as an implementation method, the extension portion 121 and the side beam 111 are arranged to be in surface contact, and the extension portion 121 and the side beam 111 are respectively provided with a first limiting portion (not shown) and a second limiting portion 113 for limiting each other. The structures of the first limiting portion and the second limiting portion 113 are basically the same, so that the extension portion 121 and the side beam 111 can be interlocked with each other. When the top bar 12 is fixedly connected to the side beam 111 through the extension portion 121, the end of the extension portion 121 is at least partially arranged in the second limiting portion 113 located on the side beam 111, and the top end of the side beam 111 is at least partially arranged in the first limiting portion located on the extension portion 121. Through the above arrangement, the connection effect between the top bar 12 and the frame 11 can be improved so that the top bar 12 can bear a larger shear force, thereby improving the shear resistance of the frame 11 and the top bar 12.

[0042] Specifically, the shapes of the first limiting part and the second limiting part 113 are both set to be "U"-shaped grooves, the top end of the side beam 111 is embedded in the first limiting part, and the end of the extension part 121 is embedded in the second limiting part 113. Through the above arrangement, the positioning and connection between the first limiting part and the second limiting part 113 can be facilitated, and the contact area between the first limiting part and the second limiting part 113 can be increased, thereby facilitating the installation of the first limiting part and the second limiting part 113 and improving the connection effect of the first limiting part and the second limiting part 113.

[0043] Optionally, the first and second limiting portions 113 may also be shaped as rectangular grooves. The specific shapes of the first and second limiting portions 113 are not limited herein. In this solution, the shear resistance of the top bar 12 is improved by providing a mutual engagement between the top bar 12 and the frame 11. Solutions that meet the above-mentioned inventive concept are within the scope of protection required by this application.

[0044] It should be noted that the above solution only specifically describes the connection between the extension portion 121 and the side beam 111. However, any connection end between the frame 11 and the top bar 12 can be provided with the same structure of the first limit portion and the second limit portion 113 to ensure the shear resistance between the frame 11 and the top bar 12. The remaining connection ends of the frame 11 and the top bar 12 are not described here.

[0045] Furthermore, when the extension 121 is connected to the side beam 111, a buffer portion 103 is formed between the extension 121 and the side beam 111, and the buffer portion 103 is set as a gap space reserved between the extension 121 and the side beam 111. Through the above arrangement, when the frame 11 and the top bar 12 are impacted, the frame 11 and the top bar 12 can be retracted and buffered to avoid mutual compression between the frame 11 and the top bar 12, thereby improving the impact resistance of the frame 11 and the top bar 12.

[0046] Through the above arrangement, while improving the connection strength between the top bar 12 and the frame 11, it is also possible to reduce the noise, vibration and acoustic roughness of the vehicle, so that the driver and passengers have a better driving experience.

[0047] like Figure 4 and 6As shown, as an implementation method, the frame 11 also includes a connector 114, and the connector 114 is configured to be fixedly connected to the cross tube 112, and the retractor 17 is connected to the cross tube 112 through the connector 114. Since the cross tube 112 is configured as a tubular member, the connection of the retractor 17 to the cross tube 112 can increase the stability. In addition, the installation height of the retractor 17 can be appropriately adjusted by the connector 114, so that it is more suitable for the height of the front seat 1511, thereby making the seat belt more comfortable to use. Among them, the connector 114 can be configured as a sheet metal part, and fixed to the cross tube 112 by welding, bolting or clamping.

[0048] like Figure 7 As shown, specifically, the retractor 17 includes an outlet 171, the safety belt 16 is wound in the retractor 17, and can be stretched outward along the direction of the outlet 171, and the direction of the outlet 171 is set to face the front of the all-terrain vehicle 100. The outlet 171 of the retractor 17 is set to face the front of the all-terrain vehicle 100, which can facilitate the driver and passenger to pull the safety belt 16, and can also make the safety belt 16 fit the driver and passenger better, thereby improving safety.

[0049] The retractor 17 includes a protective cover (not shown). When the outlet 171 is directed toward the front of the all-terrain vehicle 100, the protective cover is disposed below the retractor 17. The other side away from the protective cover is used as a connection surface. The retractor 17 is arranged to be in surface contact with the connector 114 through the connection surface. When the retractor 17 is connected to the connector 114, there is a certain gap between the connection surface of the retractor 17 and the connector 114. Through the above arrangement, debris such as mud and sand can be prevented from entering the interior of the retractor, thereby extending the service life of the retractor 17.

[0050] Optionally, when the retractor 17 is disposed on the transverse tube 111, the direction of the outlet 171 is set to face the top of the all-terrain vehicle 100. In order to prevent the friction between the safety belt 16 and the retractor 17 during the outward stretching process, which may cause difficulty in pulling out the safety belt 16, a commutator (not shown) for changing the stretching direction of the safety belt 16 is provided at the outlet 171, so that the safety belt 16 extends to the front of the all-terrain vehicle 100 after passing through the commutator. The commutator can be set as a columnar member fixed at the outlet 171. Through the above arrangement, the stretching direction of the safety belt 16 can be changed, and the stretching direction of the safety belt 16 can be made inconsistent with the direction of the outlet 171, so that the retractor 17 can be flexibly arranged according to the shape and direction of the transverse tube 112, thereby improving the retracting effect of the retractor 17.

[0051] As an implementation method, the safety belt 16 includes at least one of a three-point safety belt, a four-point safety belt and a five-point safety belt. Taking the driver's seat 1511 as an example, the three-point safety belt includes three fixing points for fixing the safety belt 16; wherein two fixing points are respectively arranged on the left and right sides of the driver's seat 1511, wherein the two fixing points include at least one point that can be engaged with the safety belt 16; the retractor 17 is arranged behind the driver's seat 1511 as a fixing point of the three-point safety belt, and the retractor 17 is arranged on the cross tube 112. The arrangement of the safety belt 16 of the passenger seat 1512 and the arrangement of the safety belt 16 of the driver's seat 1511 are symmetrical about the symmetry plane 102.

[0052] The four-point safety belt includes four fixing points for fixing the safety belt 16, wherein two fixing points are respectively arranged on the left and right sides of the driver's seat 1511. Compared with the three-point safety belt, the four-point safety belt includes two retractors 17 arranged on the cross tube 112, and the two retractors 17 are respectively arranged on the left rear and right rear of the driver's seat 1511.

[0053] It can be understood that, compared with a four-point safety belt, a five-point safety belt has an additional fixing point in front of the driver's seat 1511 for fixing the safety belt 16 .

[0054] It can be seen from the above solution that by arranging the retractor 17 on the cross tube 112 , the all-terrain vehicle 100 can be used with seat belts 16 of various specifications, thereby improving the versatility of the all-terrain vehicle 100 .

[0055] The second embodiment of the present application also provides Figure 8 The all-terrain vehicle 200 shown in FIG. 1 includes a frame 21, a top bar 22, a suspension assembly 23 and a travel assembly 24 that are substantially the same as those in the first embodiment. Only the parts that are different from those in the first embodiment are described below. Figure 8 The up-down, left-right, and front-back directions are shown.

[0056] The all-terrain vehicle 200 further includes a load-bearing assembly 25, which includes a front row of seats 251 and a cargo box 252 arranged front and rear. The frame 21 includes a cross tube 211, and when viewed from the left and right direction of the all-terrain vehicle 200, the cross tube 211 is at least partially disposed between the front row of seats 251 and the cargo box 252, that is, the cross tube 211 is disposed behind the front row of seats 251.

[0057] Specifically, the all-terrain vehicle 200 further includes a retractor (not shown) for retracting the seat belt 26, and the retractor can serve as a fixing point for the seat belt 26. The retractor is at least partially arranged on the cross tube 211, and the front seat 251 includes a driver seat and a passenger seat that are substantially the same as those in the first embodiment, and the driver seat and the passenger seat are each equipped with at least one retractor. Taking the driver seat as an example, the retractor is arranged at the left rear of the driver seat or close to the side beam 211; when there are two retractors, the retractors are respectively arranged at the left rear and right rear of the driver seat.

[0058] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the appended claims of the present invention.

Claims

1. An all-terrain vehicle comprising: Frame; A top bar, the top bar is arranged above the frame and fixedly connected to the frame, and the top bar and the frame surround to form a driving cab for the driver to sit in; a suspension assembly connected to the vehicle frame; A traveling assembly, wherein the traveling assembly is connected to the vehicle frame via the suspension assembly; A load-bearing assembly, the load-bearing assembly comprising a front row seat and a rear row seat arranged side by side in a front-to-back manner, or the load-bearing assembly comprising a front row seat and a cargo box arranged side by side in a front-to-back manner, the front row seats being respectively defined as a driver's seat and a passenger seat according to the seating positions of the driver and the passenger; It is characterized in that The vehicle frame includes side beams and a cross tube, the side beams are respectively arranged on the left and right sides of the cab, the side beams are at least partially arranged between the front seats and the rear seats, or the side beams are at least partially arranged between the front seats and the cargo box, both ends of the cross tube are respectively fixedly connected to the side beams on both sides, the cross tube is arranged behind the front seats, and the height of the cross tube is not greater than the height of the front seats; The all-terrain vehicle also includes a seat belt and a retractor for retracting the seat belt, wherein the retractor is at least partially arranged on the cross tube and connected to the cross tube, and the driver's seat and the passenger seat are each equipped with at least one retractor, and the retractors are respectively arranged at the side rear of the driver's seat and the passenger seat; or the retractors are distributed at the left rear and right rear of the driver's seat and / or the passenger seat.

2. The all-terrain vehicle according to claim 1, characterized in that: The top bar includes an extension portion for connecting the side beam, the height of the extension portion along the up and down direction is defined as the top bar height, the height of the side beam along the up and down direction is defined as the side beam height, and the ratio between the top bar height and the side beam height is set to be greater than or equal to 0.4 and less than or equal to 0.

65.

3. The all-terrain vehicle according to claim 2, characterized in that: The height difference between the cross tube and the bottom of the frame in the up-down direction is defined as the cross tube height, and the ratio between the cross tube height and the side beam height is set to be greater than or equal to 0.65 and less than 1.

4. The all-terrain vehicle according to claim 2, characterized in that: The extension portion is arranged in surface contact with the side beam, and the extension portion and the side beam are respectively provided with a first limiting portion and a second limiting portion for limiting each other, the extension portion is at least partially arranged in the second limiting portion, and the side beam is at least partially arranged in the first limiting portion.

5. The all-terrain vehicle according to claim 4, characterized in that: The first limiting portion is configured as a "U"-shaped groove, and the top end of the side beam is embedded in the first limiting portion; the structure of the second limiting portion is basically consistent with the structure of the first limiting portion, and the end of the extension portion is embedded in the second limiting portion.

6. The all-terrain vehicle according to claim 2, characterized in that: A buffer portion is formed between the extension portion and the side beam, and the buffer portion is configured as a gap space reserved between the extension portion and the side beam.

7. The all-terrain vehicle according to claim 1, characterized in that: The frame further comprises a connecting member, wherein the connecting member and the cross tube are arranged to be fixedly connected, and the retractor is arranged on the cross tube via the connecting member.

8. The all-terrain vehicle according to claim 1, characterized in that: The retractor comprises an outlet, the safety belt is wound inside the retractor and can be stretched outwards along the direction of the outlet, and the direction of the outlet is set to face the front of the all-terrain vehicle.

9. The all-terrain vehicle according to claim 1, characterized in that: The retractor includes an outlet, the safety belt is wound inside the retractor and can be stretched outward along the direction of the outlet, and the direction of the outlet is set to be toward the top of the all-terrain vehicle; a commutator for changing the stretching direction of the safety belt is provided at the outlet, so that the safety belt extends toward the front of the all-terrain vehicle after passing through the commutator.

10. An all-terrain vehicle comprising: Frame; A top bar, the top bar is arranged above the frame and fixedly connected to the frame, and the top bar and the frame surround to form a driving cab for the driver to sit in; a suspension assembly connected to the vehicle frame; A traveling assembly, wherein the traveling assembly is connected to the vehicle frame via the suspension assembly; A load-bearing assembly, the load-bearing assembly comprising a front row seat and a rear row seat arranged side by side in a front-to-back manner, or the load-bearing assembly comprising a front row seat and a cargo box arranged side by side in a front-to-back manner, the front row seats being respectively defined as a driver's seat and a passenger seat according to the seating positions of the driver and the passenger; It is characterized in that The vehicle frame includes side beams and a cross tube, the side beams are respectively arranged on the left and right sides of the cab, the two ends of the cross tube are respectively fixedly connected to the side beams on both sides, the cross tube is arranged behind the front seats, and the height of the cross tube is not greater than the height of the front seats; The all-terrain vehicle also includes a seat belt and a retractor for retracting the seat belt, the retractor is at least partially arranged on the cross tube and connected to the cross tube, the top bar includes an extension portion for connecting the side beam, the height of the extension portion along the up and down direction is defined as the top bar height, the height of the side beam along the up and down direction is defined as the side beam height, and the ratio between the top bar height and the side beam height is set to be greater than or equal to 0.4 and less than or equal to 0.65.

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