Seat panel assembly mounted on folding cart

Abstract

A seat panel assembly mounted on a folding cart, comprising: a folding cart body (10) and a steering rod assembly (11), wherein the steering rod assembly (11) is movably disposed at one end of the folding cart body (10); seat rod assemblies (12) are movably connected to two sides of the top of the folding cart body (10), respectively, the seat rod assemblies (12) being capable of rotating transversely and vertically relative to the folding cart body (10); and a seat panel (14) is detachably mounted between the two seat rod assemblies (12). In the above design, by providing the seat rod assemblies on the folding cart body, while the folding cart body can carry a person for riding, the stability of the folding cart body in the direction of length can also be improved by means of the seat rod assemblies, thereby reducing the possibility of deformation of the folding cart body; moreover, the stability of the folding cart body in the direction of width is improved by means of the seat panel; thus, the overall stability of the folding cart body is improved by means of the seat rod assemblies and the seat panel, thereby prolonging the service life of the folding cart body, achieving multiple effects.

Description

A seat plate assembly mounted on a folding trailer Technical Field

[0001] The utility model relates to the technical field of trailer seat plates, in particular to a seat plate assembly installed on a folding trailer. Background Art

[0002] A foldable trailer is a foldable and towable cargo vehicle. It is widely used in transporting things because of its simplicity of use, ability to carry cargo, ease of storage, and time and labor saving. It is now often used in outdoor activities or short-distance transportation.

[0003] At present, most of the existing folding electric trailers only have electric power assistance, such as patent application number CN202220922980.0 (power-assisted trailer). Although this type of trailer improves convenience and is easier to use, according to the contents recorded in its instructions and drawings, it is impossible to carry people. Moreover, when in use, it still requires manual traction and requires the user to walk on foot, which easily makes the user feel tired and the user experience is not good. For this reason, engineers have designed an electric scooter that can carry people, such as patent application number CN202223168040.6 (a manned folding pedal for a folding electric trailer for outdoor use). By setting a foldable pedal assembly at the front end of the folding body, When in use, the pedal assembly is unfolded to carry people. This type of trailer can achieve both electric power assistance and the function of carrying people, which greatly improves the convenience of use. It can also be folded up when not in use to reduce the overall volume and improve the convenience of carrying. However, in actual use, the inventor found that this method requires the front wheels to be in a grounded state so that they can cooperate with the rear wheels to support the upright frame after folding. Therefore, the pedal assembly needs to be folded in half so that the wheels do not need to change their position relative to the pedal assembly. At the same time, in order to make the wheels in a vertical state to better support the frame, it is necessary to add a structure to promote the rotation of the wheels relative to the pedal assembly when needed. This makes the structure complicated and the cost will also increase accordingly.

[0004] Therefore, it is urgent to design a seat plate assembly installed on a foldable trailer to overcome the above-mentioned deficiencies of one or more prior arts. Summary of the Invention

[0005] The technical solution adopted by the present invention to solve the above-mentioned technical problems is: a seat assembly installed on a folding trailer, comprising: a folding body, a steering rod assembly, the steering rod assembly being movably arranged at one end of the folding body, and characterized in that the folding body is a folding-type body or a gathering-type body, and the top two sides of the folding body are movably connected with seat rod assemblies respectively, the seat rod assembly can be rotated horizontally and vertically relative to the folding body, and a seat plate is detachably installed between the two seat rod assemblies.

[0006] In a preferred embodiment, each of the seat rod assemblies includes: a first support rod; one end of the first support rod is rotatably connected to a first adapter, the first adapter is rotatably connected to the folding body, the first support rod can be vertically rotated relative to the adapter, and the first adapter can be horizontally rotated relative to the folding body.

[0007] In a preferred embodiment, the seat rod assembly further comprises: a second support rod, the second support rod being telescopically disposed within the first support rod.

[0008] In a preferred embodiment, a first card slot is provided at one end of the first support rod away from the first adapter, a second card slot is provided at one end of the second support rod, the second card slot is equal in size to the first card slot, and a third card slot is provided at one end of the second support rod away from the second card slot.

[0009] In a preferred embodiment, the second support rod is provided with a third slot at the top of one end thereof and is rotatably connected to a limiting structure, and the first support rod is provided with a first slot at one end thereof and is provided with a limiting groove adapted to the limiting structure, and the limiting structure cooperates with the limiting groove to limit the second support rod from extending out of the first support rod.

[0010] In a preferred embodiment, the limiting structure includes: a limiting plate, which is located in one end of the second support rod where the third slot is provided and is rotatably connected to the second support rod, and can be vertically rotated relative to the second support rod. The top surface of the limiting plate is provided with a raised block, and the block is adapted to the limiting slot. A positioning column is also provided in one end of the second support rod where the third slot is provided, and a reset spring is installed on the outer side of the positioning column, and the reset spring corresponds to the block.

[0011] In a preferred embodiment, the folding body includes: support columns, four of which are provided and arranged in a rectangular shape, folding frames are connected between adjacent support columns, the tops of the support columns are respectively connected to mounting seats, two of the first adapters are respectively rotatably connected to the corresponding mounting seats, and the other two mounting seats are respectively provided with second adapters, and the second support rod is detachably connected to the corresponding second adapter after extending out of the first support rod.

[0012] In a preferred embodiment, a bayonet is provided at the bottom of the second adapter, and the bayonet is inserted into the mounting seat to limit the rotation of the second adapter.

[0013] In a preferred embodiment, a connecting seat is provided in the middle of the folding frames on both sides, and one end of the two first support rods away from the first adapter is detachably connected to the connecting seat.

[0014] In a preferred embodiment, both ends of the seat plate are foldably provided with latches, and the seat rod assembly is provided with sockets adapted to the latches.

[0015] In a preferred embodiment, a transfer limiting column is further provided on the mounting seat connected to the first transfer member, an arc groove is formed at one end of the first transfer member away from the first support rod, and the transfer limiting column is located in the arc groove.

[0016] The beneficial effects of the present invention are as follows: by arranging a seat post assembly on the folding vehicle body, the folding vehicle body can be used to carry passengers for riding, and the seat post assembly can also improve the stability of the folding vehicle body in the length direction, reduce the possibility of deformation of the folding vehicle body, and at the same time improve the stability of the folding vehicle body in the width direction through the seat plate, and improve the overall stability of the folding vehicle body through the seat post assembly and the seat plate, thereby increasing the service life of the folding vehicle body, thus achieving multiple goals at one stroke. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of the present invention;

[0018] Figure 2 is a schematic structural diagram of the folding vehicle body of the present invention;

[0019] FIG3 is a schematic structural diagram of the seat post assembly of the present invention;

[0020] Figure 4 is a schematic structural diagram of the limiting structure of the present invention;

[0021] Figure 5 is a schematic structural diagram of the first adapter of the present invention;

[0022] FIG6 is a schematic structural diagram of the second adapter of the present invention;

[0023] Figure 7 is a schematic structural diagram of the seat plate of the present invention;

[0024] FIG8 is a diagram of the present invention in a folded state.

[0025] In the picture:

[0026] 10. Folding body; 101. Support column; 102. Folding frame; 103. Mounting seat; 104. Second adapter; 105. Adapter limit column; 106. Pin; 11. Steering rod assembly; 12. Seat rod assembly; 121. First support rod; 122. First slot; 123. Limiting slot; 124. First adapter; 125. Arc slot; 126. Second support rod; 127. Second slot; 128. Third slot; 129. Socket; 13. Limiting structure; 131. Limiting plate; 132. Block; 133. Positioning column; 134. Return spring; 14. Seat plate; 141. Pin. DETAILED DESCRIPTION

[0027] To make the above-mentioned objects, features, and advantages of the present invention more clearly understood, the following detailed description of specific embodiments of the present invention is provided in conjunction with the accompanying drawings. The following description sets forth many specific details to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways than those described herein, and those skilled in the art may make similar modifications without departing from the scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0028] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms, "connection", and "installation" should be understood in a broad sense. For example, "connection" can be a detachable connection or a non-detachable connection; it can be a direct connection or an indirect connection through an intermediate medium. In addition, "communication" can be a direct connection or an indirect connection through an intermediate medium. Here, "fixed" means that the two are connected to each other and the relative position relationship after connection remains unchanged. The directional terms mentioned in the embodiments of the present invention, such as "inside", "outside", "top", "bottom", etc., are only reference to the directions of the accompanying drawings. Therefore, the directional terms used are for better and clearer explanation and understanding of the embodiments of the present invention, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention.

[0029] In the embodiments of the present invention, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of technical features indicated. Therefore, features specified as "first" or "second" may explicitly or implicitly include one or more of the features.

[0030] In the embodiments of the present invention, "and / or" is simply a description of the association relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent three situations: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / " in this document generally indicates that the related objects are in an "or" relationship.

[0031] References to "one embodiment" or "some embodiments" in this specification mean that one or more embodiments of the present invention include a particular feature, structure or characteristic described in conjunction with that embodiment. Thus, phrases such as "in one embodiment," "in some embodiments," "in other embodiments," and "in other embodiments" that appear in different places in this specification do not necessarily refer to the same embodiment, but rather mean "one or more but not all embodiments," unless otherwise specifically emphasized. The terms "comprise," "include," "have," and their variations all mean "including but not limited to," unless otherwise specifically emphasized. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0032] As shown in Figures 1 to 8, the present invention provides a seat panel assembly mounted on a foldable trailer, comprising: a foldable body 10, a steering rod assembly 11, the steering rod assembly 11 being movably mounted at one end of the foldable body 10, characterized in that the foldable body 10 is a folding body or a gathering body, and seat bar assemblies 12 are movably connected to both sides of the top of the foldable body 10, respectively. The seat bar assemblies 12 can rotate horizontally and vertically relative to the foldable body 10, and a seat panel 14 is detachably mounted between the two seat bar assemblies 12;

[0033] Specifically, the folding vehicle body 10 can be a folding type frame with an upward arch at the bottom and the front and rear ends close to each other as in the Chinese utility model patent: CN202321879711.1, or a gathering type frame with an upward arch at the bottom and the front, rear, left and right sides gathered toward the middle as in the Chinese utility model patent: CN202321386183.6, and the folding vehicle body 10 is provided with a power supply, a controller and a motor hub, so that it can be electrified. This is a prior art and therefore will not be described in detail here. The top sides of the vehicle body 10 are connected to seat rod assemblies 12 respectively. One end of the seat rod assembly 12 is movably connected to the front end of the folding vehicle body 10 and can rotate relative to the folding vehicle body 10 in the horizontal and vertical directions. The other end is detachably connected to the middle part of the folding vehicle body 10. When the folding vehicle body 10 is unfolded, the seat rod assembly 12 is placed between the front end and the middle part of the folding vehicle body 10, one on each side, and a seat plate 14 is detachably installed between the two seat rod assemblies 12, so that the user can sit on the seat plate 14. The foldable vehicle body 10 is driven on the foldable vehicle body 10 to improve the practicality of the foldable vehicle body 10. When the foldable vehicle body 10 is folded, the seat plate 14 is removed, the seat rod assembly 12 is unfastened and the seat rod assembly 12 is rotated in the horizontal direction so that one end of the seat rod assembly 12 is out of the range of the vehicle compartment of the foldable vehicle body 10. Then, the seat rod assembly 12 is rotated in the vertical direction so that it is hung on the side of the foldable vehicle body 10. Since the height of the foldable vehicle body 10 increases when it is folded, the seat rod assembly 12 will rise with the increase of the foldable vehicle body 10, so it will not The pestle on the ground affects the storage of the folding body 10, and the setting of the seat post assembly 12 can also improve the stability of the folding body 10, reduce the front and rear collapse of the folding body 10 due to impact when the folding body 10 is in use, and prevent the deformation of the folding body 10. At the same time, if the seat plate 14 is made of a hard material, then since the seat plate 14 is fixed across the two seat post assemblies 12, the rigidity of the seat plate 14 can limit the brackets on both sides of the folding body 10 from tilting in relative or opposite directions.

[0034] Furthermore, each of the seat post assemblies 12 includes a first support rod 121; one end of the first support rod 121 is rotatably connected to a first adapter 124, the first adapter 124 being rotatably connected to the folding body 10, the first support rod 121 being vertically rotatable relative to the first adapter 124, and the first adapter 124 being horizontally rotatable relative to the folding body 10;

[0035] Specifically, one end of the first support rod 121 is rotatably connected to the first adapter 124, and the first support rod 121 can rotate vertically relative to the first adapter 124. The first adapter 124 is rotatably connected to the folding body 10, and the first adapter 124 can rotate laterally relative to the folding body 10. The first adapter 124 is set to realize the lateral and vertical rotation of the first support rod 121 to cooperate with the folding of the folding body 10. The end of the first support rod 121 away from the first adapter 124 is detachably connected to the middle part of the folding body 10.

[0036] Furthermore, the seat rod assembly 12 further includes: a second support rod 126 , the second support rod 126 being telescopically disposed within the first support rod 121 ;

[0037] Specifically, the second support rod 126 is telescopically arranged inside the first support rod 121. When needed, the first support rod 121 can be extended and detachably connected to the other end of the folding body 10, thereby improving the stability of the rear end of the folding body 10, reducing the collapse of the rear end of the folding body 10, further improving the overall stability of the folding body 10, and improving the service life of the folding body 10.

[0038] Furthermore, a first slot 122 is defined at one end of the first support rod 121 away from the first adapter 124, a second slot 127 is defined at one end of the second support rod 126, and the second slot 127 is the same size as the first slot 122, and a third slot 128 is defined at one end of the second support rod 126 away from the second slot 127.

[0039] Specifically, the first card slot 122 is provided at the end of the first strut 121 away from the first adapter 124, and the first strut 121 is detachably connected to the middle part of the folding body 10 through the first card slot 122, and when the first card slot 122 cooperates with the folding body 10, it limits the movement of the first strut 121 along the length and width directions of the folding body 10. Similarly, a second card slot 127 is provided on the second strut 126, and the second card slot 127 is used to cooperate with the middle part of the folding body 10 after the second strut 126 extends out of the first strut 121, so as to limit the reset of the second strut 126. A third card slot 128 is also provided at the end of the second strut 126 away from the second card slot 127, and the third card slot 128 is used to connect to the tail end of the folding body 10 after the second strut 126 is extended.

[0040] Furthermore, the top of one end of the second support rod 126 having the third engaging groove 128 is rotatably connected to the limiting structure 13. The end of the first support rod 121 having the first engaging groove 122 is provided with a limiting groove 123 adapted to the limiting structure 13. The limiting structure 13 cooperates with the limiting groove 123 to limit the second support rod 126 from extending out of the first support rod 121.

[0041] Specifically, in order to prevent the second support rod 126 from being restricted in the first support rod 121 when it is not needed, a limiting structure 13 is also provided at the end of the second support rod 126 where the third slot 128 is provided. The limiting structure 13 can rotate in the second support rod 126. At the same time, a limiting slot 123 that is compatible with the limiting structure 13 is provided at the end of the first support rod 121 away from the first adapter 124. When the second support rod 126 is retracted into the first support rod 121, the limiting structure 13 cooperates with the limiting slot 123 to limit the extension of the second support rod 126. If the limitation needs to be released, it is only necessary to disengage the limiting structure 13 from the limiting slot 123.

[0042] Furthermore, the limiting structure 13 includes: a limiting plate 131, which is located in the end of the second support rod 126 where the third clamping groove 128 is provided and is rotatably connected to the second support rod 126, and can be vertically rotated relative to the second support rod 126. The top surface of the limiting plate 131 is provided with a raised block 132, and the block 132 is adapted to the limiting groove 123. A positioning column 133 is also provided in the end of the second support rod 126 where the third clamping groove 128 is provided. A return spring 134 is installed on the outer side of the positioning column 133, and the return spring 134 corresponds to the block 132.

[0043] Specifically, the limiting plate 131 is rotatably connected to the second support rod 126. The limiting plate 131 can rotate vertically within the second support rod 126. A protruding block 132 is provided on the top surface of the limiting plate 131. When the limiting plate 131 rotates upward, the block 132 will push out of the second support rod 126. If the second support rod 126 is located within the first support rod 121, the block 132 will be stuck in the limiting groove 123, thereby limiting the extension of the second support rod 126. A positioning column 133 is further provided below the limiting plate 131, and a return spring 134 is provided on the outer sleeve of the positioning column 133. The return spring 134 presses against one end of the limiting plate 131 where a clamping block 132 is provided. The limiting plate 131 is always in an upward position due to the force of the return spring 134. When it is necessary to release the cooperation between the clamping block 132 and the limiting groove 123, it is only necessary to press the limiting plate 131 to rotate it downward to release the cooperation between the clamping block 132 and the limiting groove 123.

[0044] When the second strut 126 is retracted, the block 132 corresponds to the limit groove 123. At this time, the block 132 loses the restriction of the side wall of the first strut 121 and is lifted up under the action of the reset spring 134. The block 132 is locked into the limit groove 123 to form a fit, thereby achieving the fit state without intervention.

[0045] Furthermore, in this embodiment, the folding body 10 includes: support columns 101, four of which are arranged in a rectangular shape, folding frames 102 are connected between adjacent support columns 101, and mounting seats 103 are respectively connected to the tops of the support columns 101. Two first adapters 124 are rotatably connected to the corresponding mounting seats 103, and the other two mounting seats 103 are respectively provided with second adapters 104. The second support rods 126 extend out of the first support rods 121 and are detachably connected to the corresponding second adapters 104.

[0046] Specifically, the support column 101 is retractable so that the folding body 10 has sufficient movement space when folding, so as to achieve folding. There are at least four support columns 101, and the four support columns 101 are arranged in a rectangular shape. A folding frame 102 is connected between adjacent support columns 101 to form an enclosed body, wherein the folding frame 102 can be one or two, and preferably two in this embodiment. A mounting seat 103 is respectively installed on the top of each support column 101, and the mounting seat 103 is used to connect with the folding frame 102. Since bolts for limiting the bag cloth are usually installed on the mounting seat 103, the first adapter 124 can be limited to the mounting seat 103 by the bolts, thereby eliminating the need for A fixing part is additionally provided, wherein the connection point between the first strut 121 and the first adapter 124 needs to be located within the range of the mounting base 103, so that the end of the first strut 121 or the entire first adapter 124 can be supported by the mounting base 103. If the connection between the first strut 121 and the first adapter 124 is located outside the range of the mounting base 103, a lever situation will occur in the first connection part, causing excessive force at the contact point between the first adapter 124 and the bolt, which is prone to deformation. When folded, the connection point between the first strut 121 and the first adapter 124 needs to be located outside the range of the mounting base 103, so that the first strut 121 can rotate vertically without being restricted by the mounting base 103.

[0047] Furthermore, a latch 106 is provided at the bottom of the second adapter 104 , and the latch 106 is inserted into the mounting seat 103 to limit the rotation of the second adapter 104 ;

[0048] Specifically, in order to prevent the second adapter 104 from rotating, a pin 106 is provided at the bottom of the second adapter 104, and a hole adapted to the pin 106 needs to be opened on the corresponding mounting seat 103. When the second adapter 104 is installed on the mounting seat 103 by bolts, the pin 106 is inserted into the hole to cooperate with the bolts to limit the movement of the second adapter 104 in all directions.

[0049] Furthermore, in this embodiment, a connecting seat is provided in the middle of the folding frame 102 on both sides, and one end of the two first support rods 121 away from the first adapter 124 is detachably connected to the connecting seat;

[0050] Specifically, in order to facilitate the cooperation between the end of the first support rod 121 away from the first adapter 124 and the folding body 10, a connecting seat is provided in the middle of the folding frame 102 on both sides of the folding body 10, and a pin shaft adapted to the first slot 122 is provided on the connecting seat. The first support rod 121 is connected to the connecting seat through the first slot 122 to limit the movement of the first support rod 121.

[0051] Furthermore, both ends of the seat plate 14 are foldably provided with pins 141, and the seat rod assembly 12 is provided with a socket 129 adapted to the pin 141. To facilitate the fixation of the seat plate 14, pins 141 are provided at both ends of the seat plate 14, and sockets 129 adapted to the pin 141 are provided on the first support rod 121 and the second support rod 126. The seat plate 14 is fixed to the seat rod assembly 12 by the cooperation between the pin 141 and the socket 129, and the socket 129 on the second support rod 126 is used to not hinder the installation of the seat plate 14 when it is retracted into the first support rod 121.

[0052] Furthermore, in this embodiment, a transfer limiting column 105 is further provided on the mounting base 103 connected to the first transfer member 124. An arc groove 125 is formed at one end of the first transfer member 124 away from the first support rod 121, and the transfer limiting column 105 is located in the arc groove 125.

[0053] Specifically, in order to limit the rotation angle of the first adapter 124, an adapter limit column 105 is provided on the mounting seat 103 on which the first adapter 124 is installed, and an arc groove 125 is opened on the first adapter 124. When the first adapter 124 is installed on the mounting seat 103, the adapter limit column 105 is located in the arc groove 125. After the first adapter 124 rotates a predetermined angle in one direction, the adapter limit column 105 cooperates with the arc groove 125 to limit the continued rotation of the first adapter 124 and prevent it from rotating to an unnecessary position.

[0054] To sum up, the present application realizes that the folding vehicle body can carry passengers for riding by arranging a seat post assembly on the folding vehicle body, and at the same time, the stability of the folding vehicle body in the length direction can be improved through the seat post assembly, and the possibility of deformation of the folding vehicle body can be reduced. At the same time, the stability of the folding vehicle body in the width direction can be improved through the seat plate, and the overall stability of the folding vehicle body can be improved through the seat post assembly and the seat plate, thereby increasing the service life of the folding vehicle body, thus achieving multiple goals at one stroke.

[0055] The present invention is not limited to what is described in the specification and implementation modes, and therefore additional advantages and modifications can be easily realized by those skilled in the art. Therefore, without departing from the spirit and scope of the general concept defined by the claims and their equivalents, the present invention is not limited to the specific details, representative devices, and illustrated examples shown and described herein.

Claims

1. A seat panel assembly mounted on a folding trailer, comprising: A folding body and a steering rod assembly, wherein the steering rod assembly is movably arranged at one end of the folding body, and is characterized in that the folding body is a folding-type body or a gathering-type body, and the top two sides of the folding body are movably connected with a seat rod assembly, and the seat rod assembly can be rotated horizontally and vertically relative to the folding body, and a seat plate is detachably installed between the two seat rod assemblies.

2. The seat panel assembly mounted on a folding trailer according to claim 1, wherein: Each of the seat rod assemblies includes: a first support rod; one end of the first support rod is rotatably connected to a first adapter, the first adapter is rotatably connected to the folding body, the first support rod can be vertically rotated relative to the adapter, and the first adapter can be horizontally rotated relative to the folding body.

3. The seat panel assembly mounted on a folding trailer according to claim 2, wherein: The seat rod assembly further includes a second support rod, which is telescopically arranged inside the first support rod.

4. The seat panel assembly mounted on a folding trailer according to claim 3, wherein: A first slot is formed at one end of the first support rod away from the first adapter, a second slot is formed at one end of the second support rod, the second slot is as large as the first slot, and a third slot is formed at one end of the second support rod away from the second slot.

5. The seat panel assembly mounted on a folding trailer according to claim 4, wherein: The top of one end of the second support rod having the third slot is also rotatably connected to a limiting structure, and the end of the first support rod having the first slot is provided with a limiting slot adapted to the limiting structure, and the limiting structure cooperates with the limiting slot to limit the second support rod from extending out of the first support rod.

6. The seat panel assembly mounted on a folding trailer according to claim 5, wherein: The limiting structure includes: a limiting plate, which is located in one end of the second support rod where the third slot is provided and is rotatably connected to the second support rod, and can be vertically rotated relative to the second support rod. The top surface of the limiting plate is provided with a raised block, and the block is adapted to the limiting slot. A positioning column is also provided in one end of the second support rod where the third slot is provided, and a return spring is installed on the outer side of the positioning column, and the return spring corresponds to the block.

7. The seat panel assembly mounted on a folding trailer according to claim 3, wherein: The folding vehicle body includes: support columns, four of which are arranged in a rectangular shape, folding frames are connected between adjacent support columns, and mounting seats are connected to the tops of the support columns respectively. Two of the first adapters are rotatably connected to the corresponding mounting seats respectively, and the other two mounting seats are respectively provided with second adapters, and the second support rod is detachably connected to the corresponding second adapter after extending out of the first support rod.

8. The seat panel assembly mounted on a folding trailer according to claim 7, wherein: A bayonet is provided at the bottom of the second adapter, and the bayonet is inserted into the mounting seat to limit the rotation of the second adapter.

9. The seat panel assembly mounted on a folding trailer according to claim 7, wherein: A connecting seat is respectively provided in the middle of the folding frames on both sides, and one end of the two first support rods away from the first adapter is detachably connected to the connecting seat.

10. The seat panel assembly mounted on a folding trailer according to claim 1, wherein: Both ends of the seat plate are foldably provided with latches, and the seat rod assembly is provided with sockets adapted to the latches.

11. The seat panel assembly mounted on a folding trailer according to claim 7, wherein: The mounting seat connected to the first adapter is further provided with an adapter limiting column. An arc groove is formed at one end of the first adapter away from the first support rod, and the adapter limiting column is located in the arc groove.

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