Backrest-free quick-release rear seat of all-terrain vehicle

Abstract

The utility model discloses an all-terrain vehicle no-backrest quick release backseat, which comprises a bearing frame and a backseat arranged on the bearing frame, the backseat comprises a seat main body and a locking mechanism arranged on the back surface of the seat main body, the bearing frame comprises a first bearing frame and a second bearing frame, the first bearing frame is detachably connected with the locking mechanism, and the second bearing frame is detachably connected with the locking mechanism. And the second bearing frame is detachably connected with the locking mechanism. Through the connection relation between the quick-release mechanism on the back face of the rear seat and the bearing frame, the rear seat is quickly mounted and dismounted, the dismounting method is simple and convenient, and the rear seat is firm and reliable after being mounted.

Description

Technical Field

[0001] The utility model relates to the technical field of arrangement and installation of seats on vehicles, in particular to a backless quick-detachable rear seat for an all-terrain vehicle. Background Art

[0002] An all-terrain vehicle, also known as an all-terrain four-wheel off-road motorcycle, is a light vehicle used for low-speed, off-road travel. Its unique structure allows it to easily traverse special terrains such as beaches, streams, and riverbeds. Its application scenarios include special field competitions, outdoor entertainment, agriculture and animal husbandry, golf, military operations, and emergency rescue. Compared with other models, the frequency of repair and replacement of all-terrain vehicle seats is higher, and the setting method of all-terrain vehicle seats is particularly important.

[0003] At present, most all-terrain vehicle seats are fixedly connected, which is very inconvenient for seat maintenance and replacement. For example, the utility model with the announcement number: CN217074645U discloses an all-terrain vehicle, including: a frame; a body cover, at least partially arranged on the frame; a power system, including an engine and used to drive a travel assembly; a saddle assembly, including a saddle; the all-terrain vehicle also includes: a mounting frame body, the mounting frame body is arranged on the frame; a first limit block, the first limit block is arranged on the mounting frame body and at least partially passes through the mounting frame body, the first limit block is connected to the electrical system; a second limit block, the second limit block is arranged on the mounting frame body and at least partially passes through the mounting frame body, the second limit block is used to connect to the saddle; a fixed column, the fixed column is used to connect to the saddle. The beneficial effect of its technical solution is that it can not only provide support for the saddle and facilitate the installation of the saddle, but also limit the swing or shaking of the electrical system. The saddle in this technical solution actually solves the problem of providing support for the saddle and facilitating installation. The saddle has two plug-in parts on the front of its bottom and a hook lock on its back. Two joints are provided between the plug-in parts and the hook lock near the hook lock. A first mounting bracket on the frame for mounting the saddle has two mounting holes connected to the plug-in parts, and a second mounting bracket has a fixing post connected to the hook lock and a limit block connecting the two joints. During installation, the two plug-in parts are first connected to the two mounting holes, the hook lock is connected to the fixing post, and then the saddle is pressed to connect the two joints to the two limit blocks. During the removal process of this technical solution, the user needs to pull the tail of the saddle. When the two joints fall off the limit blocks, the saddle can be pulled down. During this process, the user has difficulty controlling the force required to pull the saddle to cause the joints to fall off, making it inconvenient to remove the saddle. In addition, the structures of the first and second mounting brackets on the frame are relatively complex, and the manufacturing cost is relatively high. Utility Model Content

[0004] In view of the problems that the rear seat installation structure of current all-terrain vehicles is relatively complex and the disassembly process is relatively difficult, the utility model proposes a backless quick-release rear seat for all-terrain vehicles. The rear seat and the vehicle body carrier are quickly installed and disassembled through a locking mechanism between them. The structure of the vehicle body carrier for connecting the rear seat is relatively simple, and the installation and disassembly process of the rear seat is relatively simple, easy to operate, and the connection between the rear seat and the vehicle body carrier is reliable after installation.

[0005] To achieve the above object, the utility model adopts the following technical solutions:

[0006] A backless quick-release rear seat for all-terrain vehicles includes a carrier and a rear seat installed on the carrier. The rear seat includes a seat main body and a locking mechanism provided on the back of the seat main body. The carrier includes a first carrier and a second carrier. The first carrier is detachably connected to the locking mechanism, and the second carrier is detachably connected to the locking mechanism. Both the first carrier and the second carrier are crankshaft structures, which are simple in structure and easy to manufacture. The locking mechanism is provided with positioning grooves for positioning the first carrier and the second carrier. When installing the rear seat, first connect the locking mechanism with the first carrier in a positioning manner, and then press the rear seat downward to complete the installation. At this time, the lock on the locking mechanism and the positioning grooves firmly fix the first carrier and the second carrier. When disassembling the rear seat, lift the handle at the tail of the rear seat upward and pull the rear seat backward at the same time to complete the disassembly. The rear seat installation structure in this solution is relatively simple, the operation method is relatively easy, and the installation and disassembly are fast, and it is firmly fixed after installation.

[0007] Further, the locking mechanism includes a locking mechanism main body, a lock rotatably connected to the locking mechanism main body, and an elastic member provided between the locking mechanism main body and the lock. One end of the elastic member abuts against the locking mechanism main body, and the other end is connected to the lock. The elastic force generated by the elastic deformation of the elastic member enables the lock and the locking mechanism main body to firmly lock the carrier in the static state, realizing the installation and fixation of the rear seat; during the disassembly process, after separating the rear seat from the carrier, the elastic member uses the elastic force generated by its own deformation to restore the lock to the static position.

[0008] Preferably, the locking mechanism body includes an intermediate connector, a first support plate and a second support plate disposed oppositely on either side of the intermediate connector, the first support plate having a first positioning slot and a third positioning slot, the second support plate having a second positioning slot and a fourth positioning slot, the intermediate connector having a first connecting rod and a second connecting rod disposed oppositely, the lock being rotatably connected to the first connecting rod and the second connecting rod. The axes of the first connecting rod and the second connecting rod are coaxial, and the lock is capable of rotating about this axis.

[0009] Furthermore, the first positioning slot and the third positioning slot are detachably connected to the first supporting frame, and the second positioning slot and the fourth positioning slot are detachably connected to the second supporting frame.

[0010] Preferably, the lock includes a first locking block and a second locking block, the first locking block and the second locking block being arranged opposite each other and connected by a connecting shaft, and further including a handle fixed to the connecting shaft. A user pulls the handle to drive the connecting shaft to move the first and second locking blocks, thereby achieving the effect of rotating the lock about an axis.

[0011] Furthermore, the first locking block has a first rotating block, a first tooth and a second tooth are provided on one side of the first rotating block, a first hole and a second hole are opened on the first rotating block, and the first hole is sleeved on the connecting shaft and fixedly connected; the second locking block has a second rotating block, a third tooth and a fourth tooth are provided on one side of the second rotating block, a third hole and a fourth hole are opened on the second rotating block, and the third hole is sleeved on the connecting shaft and fixedly connected.

[0012] Furthermore, the first tooth has a first hook tooth, a first locking groove is formed between the first hook tooth and the first rotating block, the first tooth has a first groove on the side away from the second tooth, the second tooth abuts the locking mechanism body on the side away from the first tooth, the first groove is connected to the elastic member, and the first locking groove abuts the supporting frame; the third tooth has a second hook tooth, a second locking groove is formed between the second hook tooth and the second rotating block, the third tooth has a second groove on the side away from the fourth tooth, the fourth tooth abuts the locking mechanism body on the side away from the third tooth, the second groove is connected to the elastic member, and the second locking groove abuts the supporting frame. The first hook tooth and the first locking groove, the second hook tooth and the second locking groove can achieve the effect of hooking the supporting frame.

[0013] Optionally, the backless quick-release rear seat of the all-terrain vehicle further comprises a rear frame independently mounted on the carrier frame, wherein the rear frame is placed at the rear side of the entire vehicle body and semi-encloses the rear seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the first schematic diagram of the backless quick-release rear seat for an all-terrain vehicle.

[0015] Figure 2 It is the second schematic diagram of the backless quick-release rear seat for an all-terrain vehicle.

[0016] Figure 3 It is the schematic diagram of the bottom of the rear seat and the carrier.

[0017] Figure 4 It is the schematic diagram of the seat main body and the main body of the locking mechanism.

[0018] Figure 5 It is the schematic diagram of the lock.

[0019] Figure 6 It is the schematic diagram of the elastic member.

[0020] Reference numerals in the attached drawings:

[0021] 1. Rear seat; 2. Carrier; 3. Rear frame; 10. Seat main body; 11. Locking mechanism; 12. Main body of the locking mechanism; 13. Lock; 14. Elastic member; 21. First carrier; 22. Second carrier; 121. Intermediate connecting body; 122. First support plate; 123. Second support plate; 131. First locking block; 132. Second locking block; 133. Connecting shaft; 134. Handle; 1211. First connecting rod; 1212. Second connecting rod; 1221. First positioning groove; 1222. Third positioning groove; 1231. Second positioning groove; 1232. Fourth positioning groove; 1311. First rotating block; 1312. First tooth; 1313. Second tooth; 1314. First hook tooth; 1315. First hole; 1316. Second hole; 1317. First locking groove; 1318. First groove; 1321. Second rotating block; 1322. Third tooth; 1323. Fourth tooth; 1324. Second hook tooth; 1325. Third hole; 1326. Fourth hole; 1327. Second locking groove; 1328. Second groove. Detailed implementation manners

[0022] The following specific embodiments illustrate the implementation manners of the present invention. Those skilled in this technology can easily understand other advantages and effects of the present invention from the content disclosed in this specification.

[0023] The present invention provides a backless quick-release rear seat for an all-terrain vehicle, and the preferred embodiments of the backless quick-release rear seat for an all-terrain vehicle are described below.

[0024] Embodiment 1

[0025] As Figure 1 , Figure 2 andFigure 3 As shown, the utility model provides a quick-release backless rear seat for an all-terrain vehicle to solve the problem that it is not easy to install and disassemble the rear seat of the all-terrain vehicle. It includes a carrier frame 2, a rear seat 1 installed on the carrier frame 2, and a rear frame 3 installed on the carrier frame 2. The rear seat 1 includes a seat main body 10 and a locking mechanism 11 provided on the back of the seat main body 10. The first carrier frame 21 is detachably connected to the locking mechanism 11, and the second carrier frame 22 is detachably connected to the locking mechanism 11. The detachable connection between the locking mechanism 10 and the carrier frame 2 can be quickly removed through the handle 134 in the locking mechanism 11.

[0026] As Figure 3 and Figure 6 As shown, the locking mechanism 11 includes a locking mechanism main body 12, a lock 13 rotatably connected to the locking mechanism 11, and an elastic member 14 provided between the locking mechanism main body 12 and the lock 13. The elastic member 14 has two connection ends, one end abuts against the locking mechanism main body 12, and the other end is connected to the lock 13. In the first embodiment, the elastic member 14 is a spring member, with one "L"-shaped end abutting against the locking mechanism main body 12 and the other "U"-shaped end connected to the lock 13.

[0027] As Figure 4As shown, the main body of the locking mechanism includes an intermediate connecting body 121, and two support plates oppositely arranged on both sides of the intermediate connecting body 121, namely a first support plate 122 and a second support plate 123. They are actually opposite to each other and are located on the side of the intermediate connecting body 121 close to the lock 13. And two connecting rods are provided near the connection of the two support plates, namely a first connecting rod 1211 and a second connecting rod 1212. The axes of the two connecting rods are on the same straight line. One end of the first support plate 122 far from the connecting rod is horizontally provided with a first positioning groove 1221 for positioning the first carrier 21. One end of the first support plate 122 close to the connecting rod is vertically provided with a third positioning groove 1222 for positioning the second carrier 22. Between the first positioning groove 1221 and the third positioning groove 1222, a through hole is provided on the first support plate 122 close to the first positioning groove 1221, and a screw is passed through to connect with the seat main body 10. A through hole is provided at one end of the first support plate 122 far from the first positioning groove 1221, and a screw is passed through to connect with the seat main body 10. The height of the first support plate 122 gradually increases from the first positioning groove 1221 to the third positioning groove 1222. A protrusion is provided at a position close to the third positioning groove 1222 between the first positioning groove 1221 and the third positioning groove 1222, which is convenient for positioning the carrier 2 when installing the rear seat. The second support plate 123 has a shape feature symmetrical to that of the first support plate 122. One end of the second support plate 123 far from the connecting rod is horizontally provided with a second positioning groove 1231 for positioning the first carrier 21. One end of the second support plate 123 close to the connecting rod is vertically provided with a fourth positioning groove 1232 for positioning the second carrier 22. Between the second positioning groove 1231 and the fourth positioning groove 1232, a through hole is provided on the second support plate 123 close to the second positioning groove 1231, and a screw is passed through to connect with the seat main body 10. A through hole is provided at one end of the second support plate 123 far from the second positioning groove 1231, and a screw is passed through to connect with the seat main body 10. The height of the second support plate 123 gradually increases from the second positioning groove 1231 to the fourth positioning groove 1232. A protrusion is provided at a position close to the fourth positioning groove 1232 between the second positioning groove 1231 and the fourth positioning groove 1232, which is convenient for positioning the carrier 2 when installing the rear seat.

[0028] As Figure 5As shown, the locking device 13 includes a first locking block 131 and a second locking block 132, a connecting shaft 133 connecting the first locking block 131 and the second locking block 132, and a handle 134 fixedly connected to the connecting shaft 133. The first locking block 131 and the second locking block 132 are arranged opposite to each other. The first locking block 131 has the first rotating block 1311 as the main body, and on one side, there are a first tooth 1312 and a second tooth 1313. The first tooth 1312 also has a first hook tooth 1314. A first hole 1315 is opened on the side of the first rotating block 1311 close to the first tooth 1312. The first hole 1315 is fixedly connected to one end of the connecting shaft 133. A second hole 1316 is opened on the side of the first rotating block 1311 close to the second tooth 1313. The second hole 1316 is sleeved on the first connecting rod 1211, and the two are rotationally connected. The transition surface between the tooth top of the first tooth 1312 and the tooth top of the first hook tooth 1314 is an arc surface. The first hook tooth 1314 and the first tooth 1312, the first rotating block 1311 form a first locking groove 1317 for fixing the second carrier 22 during the installation of the rear seat 10. At the junction of the side of the first tooth 1312 far from the first locking groove 1317 and the side of the first rotating block 1311, there is a first groove 1317, and the "U" - shaped end of the elastic part hooks the first groove 1317. The side of the second tooth 1313 close to the first locking groove 1317 is an inclined surface, and the side far from the first locking groove 1317 is a straight surface, which is connected to the side of the first rotating block 1311 far from the first quality difference 1317. The second locking block 132 has the second rotating block 1321 as the main body, and on one side, there are a third tooth 1322 and a fourth tooth 1323. The third tooth 1322 also has a second hook tooth 1324. A third hole 1325 is opened on the side of the second rotating block 1321 close to the third tooth 1322. The third hole 1325 is fixedly connected to one end of the connecting shaft 133. A fourth hole 1326 is opened on the side of the second rotating block 1321 close to the fourth tooth 1323. The fourth hole 1326 is sleeved on the first connecting rod 1211, and the two are rotationally connected. The transition surface between the tooth top of the third tooth 1322 and the tooth top of the second hook tooth 1324 is an arc surface. The second hook tooth 1324 and the third tooth 1322, the second rotating block 1321 form a second locking groove 1327 for fixing the second carrier 22 during the installation of the rear seat 10. At the junction of the side of the third tooth 1322 far from the second locking groove 1327 and the side of the second rotating block 1321, there is a second groove 1328, and the "U" - shaped end of the elastic part hooks the second groove 1328. The side of the fourth tooth 1323 close to the second locking groove 1327 is an inclined surface, and the side far from the second locking groove 1327 is a straight surface, which is connected to the side of the second rotating block 1321 far from the second locking groove 1327.The connecting shaft 133 is a rigid shaft with a uniform diameter. A handle 134 is fixedly connected to its side. The handle 134 is a crankshaft with both ends welded to the connecting shaft 133. The welding position is on the side of the connecting shaft 133 away from the first locking groove 1317 and the second locking groove 1327. The handle 134 is parallel to the connecting shaft 133 and the part away from the connecting shaft 133 is the part used by the user to install and remove the rear seat 10.

[0029] The carrier frame 2 is the skeleton of the all-terrain vehicle. The first carrier frame 21 and the second carrier frame 22 are arranged in parallel. The distance between the first carrier frame 21 and the second carrier frame 22 remains unchanged. The distance between the first carrier frame 21 and the second carrier frame 22 is equal to the distance between the first positioning groove 1221 and the third positioning groove 1222, and also equal to the distance between the second positioning groove 1231 and the fourth positioning groove 1232. The seat body 10 is a backrestless rear seat.

[0030] The static connection relationship of the locking mechanism 11 is described below:

[0031] like Figure 3 As shown, the locker 13 is rotatably connected to the locking mechanism main body 12 through the first connecting rod 1211 and the second connecting rod 1212 of the intermediate connecting body 121, and the elastic member 14 is sleeved on the first connecting rod 1211 and the second connecting rod 1212. The "L"-shaped end of the elastic member 14 is against the surface of the intermediate connecting body 121, and the "U"-shaped end is hooked on the first locking block 131 and the second locking block 132. Due to the elastic force generated by the elastic deformation of the elastic member 14 itself, the first locking block 131 and the second locking block 132 have a tendency to rotate around the first connecting axis 1211 and the second connecting axis 1212 respectively. When static, the second tooth 1313 and the fourth tooth 1323 are against the outer surface of the intermediate connecting body 121. After the locking mechanism 11 is connected to the carrier frame 2, the first carrier frame 21 is embedded in the first positioning groove 1221 and the second positioning groove 1231, and the second carrier frame 22 is embedded in the third positioning groove 1222 and the fourth positioning groove 1232. The first hook tooth 1314 on the first locking block 131 and the second hook tooth 1324 on the second locking block 132 clamp the second carrier frame 22 in the third positioning groove 1222 and the fourth positioning groove 1232, and the first locking groove 1317 and the second locking groove 1327 abut against the second carrier frame 22.

[0032] The following describes the installation process of the rear seat 1:

[0033] like Figure 3When the rear seat 1 shown is installed, first align the first positioning groove 1221 and the second positioning groove 1231 with the first carrier 21, and simultaneously hold the first carrier 21 with the first positioning groove 1221 and the second positioning groove 1231. Taking the center line connecting the centers of the first positioning groove 1221 and the second positioning groove 1231 as the rotation axis, rotate the rear seat 1 to bring the third positioning groove 1222 and the fourth positioning groove 1232 closer to the second carrier 22. At this time, there are two installation methods. The first installation method is that the user lifts the handle 134, and the lock 13 rotates around the first connecting shaft 1211 and the second connecting shaft 1212. Continue to rotate the rear seat 1 to insert the second carrier 22 into the third positioning groove 1222 and the fourth positioning groove 1232. Release the handle 134. The elastic member 14 generates an elastic force due to elastic deformation. The "U" - shaped end of the elastic member 14 pulls the first locking block 131 and the second locking block 132 back to the static position. The first hook teeth 1314 on the first locking block 131 and the second hook teeth 1324 on the second locking block 132 lock the second carrier 22 in the third positioning groove 1222 and the fourth positioning groove 1232. The first locking groove 1317 and the second locking groove 1327 abut against the second carrier 22, completing the installation. The second method is to lift the handle 134 and continue to rotate the rear seat 1. When the second carrier 22 contacts the curved surface between the first tooth 1312 and the first hook tooth 1314 and the curved surface between the third tooth 1322 and the second hook tooth 1324, continue to rotate the rear seat 1. The second carrier 22 generates a thrust on the lock 13, causing the lock 13 to rotate around the first connecting shaft 1211 and the second connecting shaft 1212. During this process, the second carrier 22 approaches the tooth tips of the first hook tooth 1314 and the second hook tooth 1324. When the second carrier 22 reaches the tooth tips of the first hook tooth 1314 and the second hook tooth 1324, continue to rotate the rear seat 1. The second carrier 22 will enter the third positioning groove 1222 and the fourth positioning groove 1232. Without the thrust of the second carrier on the lock 13, the elastic member 14 pulls the first locking block 131 and the second locking block 132 back to the static position. The first hook teeth 1314 on the first locking block 131 and the second hook teeth 1324 on the second locking block 132 lock the second carrier 22 in the third positioning groove 1222 and the fourth positioning groove 1232. The first locking groove 1317 and the second locking groove 1327 abut against the second carrier 22, completing the installation. After installation, due to the locking function of the locking mechanism 11 between the rear seat 1 and the carrier 2, the installation of the rear seat 1 is relatively firm and reliable, not easy to fall off, and can meet the normal use requirements of the all - terrain vehicle.

[0034] The installation process of the following rear seat 1 is described:

[0035] When disassembling the rear seat 1, lift the handle 134. The lock 13 rotates around the first connecting shaft 1211 and the second connecting shaft 1212. When the tops of the first hook teeth 1314 and the second hook teeth 1324 respectively cross the third positioning groove 1222 and the fourth positioning groove 1232, rotate in the opposite direction of the rotation direction when installing the rear seat 1 around the center line connecting the centers of the first positioning groove 1221 and the second positioning groove 1231. When the second carrier 22 disengages from the third positioning groove 1222 and the fourth positioning groove 1232, pull the rear seat 1 to make the first carrier 21 disengage from the first positioning groove 1221 and the second positioning groove 1231, release the handle 134, and the lock 13 returns to the static position to complete the disassembly.

[0036] Embodiment 2

[0037] Compared with Embodiment 1, the feature of the quick-release rear seat without a backrest for an all-terrain vehicle in Embodiment 2 is that on the basis of Embodiment 1, a rear frame 3 is added, which is detachably installed on the carrier 2 together with the rear seat 1. As Figure 2 shown, the rear frame 3 is mainly composed of metal and sheet metal parts connected by welding and bolts. The rear frame 3 is separated from the rear seat 1 and is independently installed on the carrier 2. The rear frame 3 is located behind the rear seat 1 on the vehicle body and semi-surrounds the rear seat 1.

[0038] In summary, the quick-release rear seat without a backrest for an all-terrain vehicle proposed by the present invention can achieve the quick installation and removal of the rear seat of the all-terrain vehicle, and it is firm and reliable after installation, which is beneficial to the maintenance and replacement of the rear seat of the all-terrain vehicle. Based on the concept of the present invention, modular design can be carried out on the quick-release rear seat to achieve the free replacement of various styles of rear seats for all-terrain vehicles.

[0039] In addition to the above embodiments, within the scope disclosed in the claims and the specification of the present invention, the technical features of the present invention can be reselected and combined to form new embodiments, which can be achieved by those skilled in the art without creative labor. Therefore, these embodiments not detailedly described in the present invention should also be regarded as specific embodiments of the present invention and within the protection scope of the present invention.

Claims

1. A backless quick-release rear seat for an all-terrain vehicle, comprising a carrier frame and a rear seat mounted on the carrier frame, characterized in that: The rear seat includes a seat body and a locking mechanism provided on the back of the seat body. The supporting frame includes a first supporting frame and a second supporting frame. The first supporting frame is detachably connected to the locking mechanism, and the second supporting frame is detachably connected to the locking mechanism.

2. The backless quick-release rear seat for an all-terrain vehicle according to claim 1, characterized in that: The locking mechanism includes a locking mechanism body, a locker rotatably connected to the locking mechanism body, and an elastic member arranged between the locking mechanism body and the locker, one end of the elastic member abuts the locking mechanism body and the other end is connected to the locker.

3. The backless quick-release rear seat for an all-terrain vehicle according to claim 2, characterized in that: The locking mechanism main body includes an intermediate connecting body, a first support plate and a second support plate arranged on both sides of the intermediate connecting body, the first support plate is provided with a first positioning groove and a third positioning groove, the second support plate is provided with a second positioning groove and a fourth positioning groove, the intermediate connecting body has a first connecting rod and a second connecting rod arranged opposite to each other, and the lock is rotatably connected to the first connecting rod and the second connecting rod.

4. The backless quick-release rear seat for an all-terrain vehicle according to claim 3, characterized in that: The first positioning slot and the third positioning slot are detachably connected to the first supporting frame, and the second positioning slot and the fourth positioning slot are detachably connected to the second supporting frame.

5. The backless quick-release rear seat for an all-terrain vehicle according to claim 2, characterized in that: The locker includes a first locking block and a second locking block, the first locking block and the second locking block are arranged opposite to each other and connected by a connecting shaft, and also includes a handle fixedly connected to the connecting shaft.

6. The backless quick-release rear seat for an all-terrain vehicle according to claim 5, characterized in that: The first locking block has a first rotating block, a first tooth and a second tooth are provided on one side of the first rotating block, a first hole and a second hole are opened on the first rotating block, and the first hole is sleeved on the connecting shaft and fixedly connected; the second locking block has a second rotating block, a third tooth and a fourth tooth are provided on one side of the second rotating block, a third hole and a fourth hole are opened on the second rotating block, and the third hole is sleeved on the connecting shaft and fixedly connected.

7. The backless quick-release rear seat for an all-terrain vehicle according to claim 6, characterized in that: The first tooth has a first hook tooth, and a first locking groove is formed between the first hook tooth and the first rotating block. The first tooth has a first groove on the side away from the second tooth, and the second tooth abuts the locking mechanism main body on the side away from the first tooth. The first groove is connected to the elastic member, and the first locking groove abuts the supporting frame; the third tooth has a second hook tooth, and a second locking groove is formed between the second hook tooth and the second rotating block. The third tooth has a second groove on the side away from the fourth tooth, and the fourth tooth abuts the locking mechanism main body on the side away from the third tooth. The second groove is connected to the elastic member, and the second locking groove abuts the supporting frame.

8. A backless quick-release rear seat for an all-terrain vehicle according to any one of claims 1 to 7, characterized in that: It also includes a rear frame independently mounted on the carrier frame, the rear frame is placed on the rear side of the vehicle body and semi-encloses the rear seat.

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