Seat tray

Abstract

The invention relates to the technical field of automobile seat trays, and discloses a seat tray which is characterized in that a foldable supporting frame of the seat tray comprises a foldable supporting seat, a foldable front support and a foldable rear support, a foldable middle support is arranged on the foldable rear support, and a front gear lever, a middle gear lever and a rear gear lever are arranged between the corresponding foldable supports; supporting mops are arranged between the front blocking rod and the middle blocking rod and between the rear blocking rod and the middle blocking rod. The supporting frame can be folded and contracted to facilitate stacking and transportation of the seat tray, a front-gear storage space, a middle-gear storage space and a rear-gear storage space are conveniently formed after the supporting frame is unfolded to place seats, mutual extrusion deformation between the seats is avoided, the foldable middle support can be folded, the seats are arranged between the front support and the rear support, and the supporting frame is convenient to use. The foldable middle support can be unfolded to form a front storage space and a rear storage space, adjustment can be conveniently carried out according to needs, and the foldable storage rack has the advantages of being simple in structure, ingenious in design, high in practicability, good in using effect and wide in application range.

Description

Technical Field

[0001] The invention relates to the technical field of automobile seat trays, in particular to a seat tray capable of preventing a seat from being compressed and deformed. Background Art

[0002] The car seat tray is an auxiliary device for placing car seats, so that the driver and passenger seats can be placed on the seat tray during the seat transportation process, which is convenient for transfer and transportation. The traditional method is to fix the driver and passenger seats on the tray seat slots, stack the rear seats on the driver and passenger seats, and then fix the seats with straps. This will leave marks on the seats, affecting the overall appearance of the seats, and increase labor time, affecting production efficiency.

[0003] In the prior art, the patent with publication number CN210364836U discloses a seat tray with a lock, which forms a scissor fork clamping structure by setting a pressure rod on the tray to clamp the seat front and back to fix the seat. Although it achieves fast work and avoids the disadvantage of leaving strap marks on the seat, it has the following shortcomings: on the one hand, the two seats, the rear seat still needs to be pressed on the main and front passenger seats, and the long-distance transportation and long pressure time will cause the seats to be compressed and deformed, and they cannot rebound in the short term, affecting the appearance of the seat and product delivery; on the other hand, during the operation, the pressure rod telescopic support rod needs to always maintain a stable support force, and the telescopic support rod has a complex structure and high cost.

[0004] In view of this, the applicant proposed the seat tray of the present application to achieve rapid placement of the seat while avoiding the problem of seat deformation under pressure, so as to ensure the beauty of the seat and facilitate product delivery. Summary of the invention

[0005] The object of the present invention is to provide a seat tray to solve the problem of reducing or avoiding compression deformation between seats.

[0006] To achieve the above object, the present invention provides the following technical solutions: A seat tray comprises a tray body and a foldable support frame, the foldable support frame comprises a foldable support seat symmetrically arranged at both ends, a foldable front support and a foldable rear support are arranged on the foldable support seat, a foldable middle support is arranged on the foldable rear support, the foldable middle support can be folded to overlap with the foldable rear support, and both the foldable front support and the foldable rear support can be folded to the foldable support seat, a front gear rod is arranged between the corresponding foldable front supports at both ends of the support frame, a middle gear rod is arranged between the corresponding foldable middle supports, a rear gear rod is arranged between the corresponding foldable rear supports, and a support mop is arranged between the front gear rod and the middle gear rod, and / or between the rear gear rod and the middle gear rod.

[0007] A collapsible lower support is also provided on the collapsible rear support. A lower crossbar is provided between the corresponding collapsible lower supports at both ends of the support frame. A support mop is provided between the lower crossbar and the middle crossbar.

[0008] The seat tray forms a support frame by providing symmetrically collapsible front, middle, and rear supports and a lower support at both ends of the tray body, and by providing front, middle, rear, or lower crossbars between the corresponding front, middle, and rear supports or lower supports, and by providing support mops between the front crossbar and the middle crossbar, and / or between the rear crossbar and the middle crossbar, or between the lower crossbar and the middle crossbar. This enables the support frame to be folded and contracted for convenient storage and transportation of the tray, and also facilitates placing the seat after the support frame is unfolded, while avoiding mutual extrusion and deformation between the seats. The collapsible middle support can be retracted to place the seat between the front and rear supports, or can be supported and unfolded to form two storage spaces at the front and rear, facilitating adjustment according to needs, with good adaptability and a wide range of applications.

[0009] Specifically, the collapsible support seat includes two articulated bases at the front and rear. The two articulated bases are respectively articulated with two folding arms at the front and rear. Both ends of a cross brace are respectively articulated with the top ends of the front and rear folding arms. At least one folding arm is provided with a first positioning pin between the articulated base or the cross brace.

[0010] The articulated base is fixed to the top of the seat tray and is arranged close to the edge. It includes a body and corresponding positioning pin slots and long holes arranged up and down on the body. The folding arm is inserted into the body and is articulated through a pin shaft in cooperation with the long hole. The first positioning pin cooperates with the positioning pin slot to lock the folding arm.

[0011] The bottom of the cross brace is a groove-shaped structure. After the collapsible support seat is folded, at least one folding arm can be accommodated in the groove-shaped structure at the bottom of the cross brace.

[0012] The collapsible front support includes an upper vertical brace. A long hole slot and a first limit pin are provided at the lower end of the upper vertical brace. A first pin shaft corresponding to the long hole slot and a limit block corresponding to the first limit pin are provided on the collapsible support seat. The upper vertical brace is articulated through the long hole slot in cooperation with the first pin shaft, and is limited and supported through the first limit pin in cooperation with the limit groove on the limit block.

[0013] The upper end of the upper vertical brace is articulated with a first connecting arm through a pin shaft. The movable end of the first connecting arm is connected to the end of the front crossbar. A second limit pin is provided on the upper part of the upper vertical brace to limit the first connecting arm.

[0014] A groove corresponding to the second limit pin is provided on the first connecting arm.

[0015] The collapsible rear support includes a crank arm diagonal brace. One end of the crank arm diagonal brace is articulated on the collapsible support seat, and the other end is connected to the end of the rear crossbar.

[0016] A lower vertical support is hinged in the middle of the crank arm diagonal brace. A support block corresponding to the lower vertical support is arranged on the foldable support seat. The lower end of the lower vertical support is inserted into the support groove of the support block for support.

[0017] The crank arm diagonal brace includes an upper diagonal brace. Both sides of the lower end of the diagonal brace are fixedly connected with crank arm fork plates, and the crank arm fork plates are hinged with the foldable support seat.

[0018] The foldable middle support includes a second connecting arm. The second connecting arm is hinged to the middle of the crank arm diagonal brace. One end extends an extension part of a certain length at the hinge. A third limit pin matched with the extension part is arranged on the crank arm diagonal brace to limit the second connecting arm. The other end of the second connecting arm is connected with the end of the middle gear lever.

[0019] A groove corresponding to the second limit pin is formed on the extension part.

[0020] The second connecting arm and the lower vertical support share a pin shaft to be hinged to the middle of the crank arm diagonal brace.

[0021] The foldable lower support includes the lower vertical support, and a lower gear lever is arranged between the two lower vertical supports.

[0022] Through the above technical solutions, the support frame can be folded and retracted on the top of the seat tray, which is convenient for the stacking and transportation of the seat trays. After unfolding, it can form storage spaces in the front, middle and rear three gears or the front, middle, rear and lower four gears, which is convenient for the separate placement of the seats and avoids the problem of compression deformation between the seats. It has the characteristics of simple structure, low cost and good use effect. It can not only meet the separate placement of the backrest and the seat cushion, but also place the 4:6 split rear seat by adjusting the middle gear lever. Compared with the existing 4:6 split seats that require two trays to meet the production requirements, it can effectively save half of the seat tray usage. The unfolding and folding of the support frame in the preferred solution can be completed in only 3 seconds, compared with the 8 seconds of the existing production line station time, which can effectively improve the production efficiency.

[0023] The invention has the characteristics of simple structure, ingenious design, strong practicability, good use effect and wide application range, and is worthy of wide promotion and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The present invention will be further described below with reference to the drawings: Figure 1 It is a schematic structural diagram of the seat tray in the embodiment of the present invention; Figure 2 It is a schematic structural diagram of the support frame in the present invention; Figure 3 It is a schematic structural diagram of a hinged base; Figure 4 It is a schematic structural diagram after the seat tray is folded; Figure 5 It is a schematic structural diagram of the seat tray for installing and supporting the mop and stacking. Figure 6 It is a schematic structural diagram of the seat tray for arranging the seat, the backrest and the seat cushion. Figure 7 It is Figure 6 a three-dimensional structural diagram of Figure 8 It is a schematic structural diagram of the seat tray for arranging the 4:6 split seat. Specific embodiments

[0025] In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, the terms "arrange", "install", "connect", and "join" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention. Embodiment

[0027] Such as Figure 1 and 2As shown in the figure, a seat tray includes a tray body 1 and a foldable support frame 2. The support frame 2 includes foldable support seats 21 symmetrically arranged at both ends. A foldable front support 22 and a foldable rear support 23 are provided on the foldable support seat 21. A foldable middle support 24 is provided on the foldable rear support 23. The foldable middle support 24 can be folded to coincide with the foldable rear support 23. Both the foldable front support 22 and the foldable rear support 23 can be folded to the foldable support seat 21. A front bar 221 is provided between the foldable front supports 22 corresponding to both ends of the support frame 2. A middle bar 241 is provided between the corresponding foldable middle supports 24. A rear bar 231 is provided between the corresponding foldable rear supports 23. A support mop 3 is provided between the front bar 221 and the middle bar 241, and / or between the rear bar 231 and the middle bar 241. In this embodiment, a more preferred scheme is adopted. A foldable lower support 25 is further provided on the foldable rear support 23. A lower bar 251 is provided between the foldable lower supports 25 corresponding to both ends of the support frame 2. And the case where the support mop 3 is provided between the front bar 221 and the middle bar 241, and between the middle bar 241 and the lower bar 251 is taken as an example for illustration.

[0028] Specifically, a number of positioning blocks 4 are arranged on the tray body 1. Limiting blocks 41 are provided on some of the positioning blocks to facilitate clamping the seat guide rail and fixing part of the seat on the positioning blocks 4. Support columns 5 are provided at the four corners of the tray body 1 to facilitate the stacking and piling of the seat tray after the support frame 2 is folded, and to prevent the support frame 2 from being damaged by pressure.

[0029] The foldable support seat 21 includes two front and rear hinge bases 2-1. The hinge bases 2-1 are fixed to the top of the seat tray and are arranged close to the edge. The two hinge bases 2-1 are respectively hinged with two front and rear folding arms 2-2 and 2-18. Both ends of a cross brace 2-3 are respectively hinged with the tops of the front and rear folding arms. At least one of the folding arms 2-2 or 2-18 and the hinge base 2-1 or the cross brace 2-3 is provided with a first positioning pin 2-12. In this embodiment, the case where the first positioning pin 2-12 is provided between the front folding arm 2-2 and its hinge base 2-1 is taken as an example to illustrate the locking of the supporting state of the foldable support seat 21 by the first positioning pin 2-12. The other hinge structures of the foldable support seat 21 are respectively realized by pin shafts 2-13, 2-15 and 2-16. See Figure 1 and 3, the hinge base 2-1 hinged to the front folding arm 2-2 includes a body and positioning pin slots 2-1-2 and long holes 2-1-1 arranged up and down on the body. The front folding arm 2-2 is inserted into the body and is hinged through a pin shaft 2-11 in cooperation with the long hole 2-1-1. The first positioning pin 12 is inserted through the front folding arm 2-2 and cooperates with the positioning pin slot 2-1-2 to lock the folding arm. By lifting the front folding arm 2-2 to disengage the first positioning pin 12 from the positioning pin slot 2-1-2, the foldable support base 21 can be folded. By flipping up the front folding arm 2-2 to make the first positioning pin 12 snap into the positioning pin slot 2-1-2, the foldable support base 21 can achieve the support function. Preferably, the bottom of the cross brace 2-3 is a groove-shaped structure. After the foldable support base 21 is folded, at least one folding arm can be accommodated in the groove-shaped structure at the bottom of the cross brace 2-3. In this embodiment, the rear folding arm 2-18 can be accommodated, reducing the height after folding, and thus reducing the stacking height of the seat tray. See Figure 4 Folding effect.

[0030] The foldable front support 22 includes an upper vertical brace 2-4. A long hole slot and a first limit pin 2-4-1 are provided at the lower end of the upper vertical brace 2-4. A first pin shaft corresponding to the long hole slot and a limit block 2-3-1 corresponding to the first limit pin 2-4-1 are provided on the foldable support base 21. The upper vertical brace 2-4 is hinged through the long hole slot in cooperation with the first pin shaft and is limited and supported through the first limit pin 2-4-1 in cooperation with the limit groove on the limit block 2-3-1. In this embodiment, the first pin shaft is the pin shaft 2-13, and the upper vertical brace 2-4, the front folding arm 2-2, and the cross brace 2-3 share a pin shaft 2-13 for hinging. Through the cooperation of the long hole slot of the upper vertical brace 2-4 with the pin shaft 2-13 and the cooperation of the first limit pin 2-4-1 with the limit groove on the limit block 2-3-1, the conversion between support fixation and folding is realized. The upper end of the upper vertical brace 2-4 is hinged to a first connecting arm 2-5 through a pin shaft 2-6. The movable end of the first connecting arm 2-5 is connected to the end of the front gear lever 221. A second limit pin 2-4-2 is provided on the upper part of the upper vertical brace 2-4 to limit the first connecting arm 2-5 to limit the rotation range of the front gear lever 221. A groove corresponding to the second limit pin 2-4-2 is provided on the first connecting arm 2-5.

[0031] The foldable rear support 23 includes a crank arm brace 2-7. One end of the crank arm brace 2-7 is hinged to the cross brace 2-3 of the foldable support base 21, and the other end is connected to the end of the rear retaining bar 231. A lower vertical brace 2-9 is hinged in the middle. On the cross brace 2-3 of the foldable support base 21, there is a support block 2-3-2 corresponding to and cooperating with the lower vertical brace 2-9. The lower end of the lower vertical brace 2-9 is inserted into the support groove of the support block 2-3-2 for support, so as to improve the support stability and strength of the crank arm brace 2-7 through the lower vertical brace 2-9. Preferably, the crank arm brace 2-7 includes an upper brace. On both sides of the lower end of the brace, there are fixed crank arm fork plates. The crank arm fork plates are hinged to the cross brace 2-3 of the foldable support base 21 through a locking shaft 2-14, so that the crank arm brace 2-7 can only flip forward. And when it flips backward, the lower end of its brace can abut against the cross brace 2-3 to achieve support, and cooperate with the lower vertical brace 2-9 to further improve its load-bearing capacity.

[0032] The foldable middle support 24 includes a second connecting arm 2-8. The second connecting arm 2-8 is hinged to the middle of the crank arm brace 2-7 through a locking shaft 2-10. One end extends a certain length of an extension at the hinge. On the crank arm brace 2-7, there is a third limit pin 2-7-1 cooperating with the extension to limit the second connecting arm 2-8. The other end of the second connecting arm 2-8 is connected to the end of the middle retaining bar 241. A groove corresponding to and cooperating with the third limit pin 2-7-1 is provided on the extension.

[0033] The second connecting arm 2-8 and the lower vertical brace 2-9 share a pin shaft 2-10 to be hinged to the middle of the crank arm brace. The foldable lower support 25 includes the lower vertical brace 2-9, and the lower retaining bar 251 is arranged between the two lower vertical braces 2-9. The foldable lower support 25 adopts the lower vertical brace 2-9 and is hinged to the crank arm brace 2-7 of the foldable rear support 23 through a locking shaft 2-10 shared with the foldable middle support 24, and cooperates with each other, skillfully realizing the setting of the lower retaining bar 251, improving the strength and structural stability of the support frame 2, simplifying the structure of the support frame 2, and also facilitating the setting of the support mop 3 between the lower retaining bar 251 and the middle retaining bar 241, so as to form a reserved space between the lower retaining bar 251 and the rear retaining bar 231 to adapt to the placement of different seats.

[0034] In addition, cap nuts 2-17 are arranged on each pin shaft to improve the stability and reliability of each pin shaft.

[0035] During use, refer to Figure 6 and 7, During the implementation process, place the seat 6 with guide rails on the positioning block 4 of the tray body 1, and use the limit block 41 to clamp the seat guide rails to ensure its stability. Then unfold the foldable support frame 2. Pull up the cross brace 2-3 of the foldable support base 21 so that the first positioning pin 12 of the two front folding arms 2-2 is inserted into the positioning pin slot 2-1-2 of the front hinge base 2-1. Then flip the toggle brace 2-7 of the foldable rear support 23 into place, so that the lower vertical brace 2-9 of the foldable lower support 25 is inserted into the support groove of the support block 2-3-2 on the cross brace 2-3. At the same time, due to the limitation of the third limit pin 2-7-1, the second connecting arm 2-8 of the foldable middle support 24 is automatically supported in place under gravity. Pull up the upper vertical brace 2-4 of the foldable front support 22 so that the limit pin 2-4-1 is inserted into the limit groove on the limit block 2-3-1 provided on the cross brace 2-3, and the entire unfolding action is completed. Place the seat cushion 7 and the backrest 8 between the middle gear lever 241 and the rear gear lever 231, and between the middle gear lever 241 and the front gear lever 221 respectively. When the seat is transported to the customer, remove the backrest 8 and the seat cushion 7, and then operate in reverse to fold the foldable support frame 2 to as shown in Figure 4 , so that the seat 6 with guide rails can be easily removed. It only takes 3 seconds to raise and unfold the foldable support frame 2, with high efficiency.

[0036] In the technical solution of the present invention, different models of seats can be applied by replacing the positioning block, improving the versatility of the tray. By canceling the third limit pin 2-7-1, the 4:6 split rear seat 9 can be placed. Refer to Figure 8 , compared with the existing 4:6 split seats that require two trays to meet the production requirements, the usage of seat trays can be effectively saved by half.

[0037] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A seat tray, comprising a tray body and a foldable support frame, characterized in that: The foldable support frame includes foldable support seats symmetrically arranged at both ends. A foldable front support and a foldable rear support are arranged on the foldable support seats. A foldable middle support is arranged on the foldable rear support. The foldable middle support can be folded to coincide with the foldable rear support. Both the foldable front support and the foldable rear support can be folded to the foldable support seats. A front stop bar is arranged between the corresponding foldable front supports at both ends of the support frame. A middle stop bar is arranged between the corresponding foldable middle supports. A rear stop bar is arranged between the corresponding foldable rear supports. A support mop is arranged between the front stop bar and the middle stop bar and / or between the rear stop bar and the middle stop bar.

2. The seat tray according to claim 1, characterized in that: A foldable lower support is further arranged on the foldable rear support. A lower stop bar is arranged between the corresponding foldable lower supports at both ends of the support frame. A support mop is arranged between the lower stop bar and the middle stop bar.

3. The seat tray according to claim 1, characterized in that: The foldable support seat includes two articulated bases at the front and rear. The two articulated bases are respectively articulated with two folding arms at the front and rear. Both ends of a cross brace are respectively articulated with the tops of the two folding arms at the front and rear. At least one folding arm is provided with a first positioning pin between the articulated base or the cross brace.

4. The seat tray according to claim 1, wherein: The foldable front support includes an upper vertical brace. A long hole groove and a first limit pin are arranged at the lower end of the upper vertical brace. A first pin shaft corresponding to the long hole groove and a limit block corresponding to the first limit pin are arranged on the foldable support seat. The upper vertical brace is articulated through the cooperation of the long hole groove and the first pin shaft, and is limited and supported through the cooperation of the first limit pin and the limit groove on the limit block.

5. The seat tray according to claim 5, wherein: The upper end of the upper vertical brace is articulated with a first connecting arm through a pin shaft. The movable end of the first connecting arm is connected to the end of the front stop bar. A second limit pin is arranged on the upper part of the upper vertical brace to limit the first connecting arm.

6. The seat tray according to claim 1, wherein: The foldable rear support includes a crank arm diagonal brace. One end of the crank arm diagonal brace is articulated on the foldable support seat, and the other end is connected to the end of the rear stop bar.

7. The seat tray according to claim 7, characterized in that: A lower vertical brace is articulated in the middle of the crank arm diagonal brace. A support block corresponding to the lower vertical brace is arranged on the foldable support seat. The lower end of the lower vertical brace is inserted into the support groove of the support block for support.

8. The seat tray according to claim 1, wherein: The foldable middle support includes a second connecting arm. The second connecting arm is articulated with the middle of the crank arm diagonal brace. An extension part with a certain length extends from one end at the articulated position. A third limit pin matched with the extension part is arranged on the crank arm diagonal brace to limit the second connecting arm. The other end of the second connecting arm is connected to the end of the middle stop bar.

9. The seat tray according to claim 9, wherein: The second connecting arm and the lower vertical brace share a pin shaft to be articulated with the middle of the crank arm diagonal brace.

10. The seat tray according to claim 2, characterized in that: The foldable lower support includes a lower vertical brace. The lower stop bar is arranged between the two lower vertical braces.

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