Simple external hanging device for child safety seat of automobile seat

Abstract

The invention discloses a simple external hanging device for a child safety seat of an automobile seat, and relates to the technical field of child safety seats of automobile seats. According to the simple external hanging device of the child safety seat of the automobile seat, the simple external hanging device can be installed on the automobile seat under the condition that an automobile seat framework is not changed, the function of installing the child seat is achieved, the travel safety is improved, the installation mode is simple, easy and rapid, materials are common, the structure is simple, manufacturing is convenient, and economical efficiency is high; the baffle is inserted into the outer side of the back cushion and can be used for limiting Y-direction movement of the child safety seat and improving the mounting effect, the position of the hook can be adjusted to be matched with the position of the upper fixing rod, the hook can be conveniently detached, replaced or maintained, use is flexible, and practicability is high. And the fixing effect on the child seat is improved, and operation is convenient.

Description

Technical Field

[0001] The present invention relates to the technical field of child safety seats for vehicle seats, and particularly to a simple external hanging device for a child safety seat of a vehicle seat. Background Art

[0002] With the increasing frequency of vehicle use, passengers have higher and higher requirements for the safety of riding in a vehicle. Especially for some parents with children, the demand for safety seats is increasing. A child safety seat is a seat that is fastened to a vehicle seat, for a child to ride, has restraint devices, and can restrain the child to ensure the safety of the child in the event of a car accident. Child safety seats are divided into 5 categories according to the age and weight of children, and are suitable for children of different age groups. After a child reaches 4 years old, many parents think that the child can no longer use a car safety seat, but the research results show that the child's body is too small, and even if an adult seat belt is used, it is still very dangerous in the event of an accident. A child safety seat can protect the safety of young children to the greatest extent in the event of an accident.

[0003] When a child safety seat is in use, it needs to be connected to a special isofix interface. However, some existing seats do not have an isofix interface and cannot be matched to install a child safety seat, which poses a safety hazard when children travel by car. Therefore, we have proposed a simple external hanging device for a child safety seat of a vehicle seat to solve the above problems. Summary of the Invention

[0004] Aiming at the deficiencies of the prior art, the present invention provides a simple external hanging device for a child safety seat of a vehicle seat, which solves the problem that some seats do not have an isofix interface and cannot be matched to install a child safety seat, resulting in a safety hazard when children travel by car.

[0005] To achieve the above object, the present invention is realized through the following technical solutions: A simple external hanging device for a child safety seat of an automotive seat, including a child seat, the child seat is arranged on a cushion and a seat cushion, and further includes a fixed cross tube, the fixed cross tube is installed at the connection between the cushion and the seat cushion of the automotive seat, a upper fixing rod is arranged at the middle position of the rear part of the fixed cross tube, lower fixing rods are arranged at both ends of the fixed cross tube, and the two lower fixing rods are symmetrical about the longitudinal axis of the fixed cross tube. Adjusting members are installed at both ends of the fixed cross tube, and baffles are installed on the adjusting members; two guide sleeves, the guide sleeves are clamped with the lower fixing rods, the lower fixing rods are connected with ISOFIX interfaces, and the ISOFIX interfaces are installed on the child seat; a connecting member, the connecting member is connected to the upper fixing rod, and an adjusting structure for adjusting its position is installed on the connecting member; two fixing members, the fixing members are installed on the fixed cross tube for limiting the position of the fixed cross tube, the fixing members are connected to the carriage by screws, and the carriage is arranged at the bottom of the cushion and the seat cushion.

[0006] Further, the adjusting member includes an adjusting nut and an adjusting screw, the adjusting nut is rotatably installed at the end of the fixed cross tube, the adjusting screw penetrates through the adjusting nut and extends into the fixed cross tube; the baffle is welded and installed on the outside of the end of the adjusting screw away from the fixed cross tube, and the baffle is arranged outside the cushion.

[0007] Further, the lower fixing rod is connected with a clamping groove, the clamping groove is opened on the guide sleeve, the guide sleeve is arranged at the connection between the cushion and the seat cushion, and the ISOFIX interface penetrates through the guide sleeve.

[0008] Further, the connecting member includes a hook, a connecting belt and a connecting ring, the hook is arranged at the upper end of the upper fixing rod, the connecting belt is sleeved on the upper end of the hook, the connecting ring is installed at the upper end of the connecting belt, the connecting ring is connected with a limiting structure for limiting it and can release the limit of the connecting ring.

[0009] Further, the adjusting structure includes a slider, a connecting hole is opened on the slider, a connecting rod penetrates through the connecting hole, a circular clamping groove is linearly arranged on the connecting rod, two symmetrically arranged clamping members are connected to the outside of the clamping groove on the inner side of the connecting hole, the slider is slidably connected with a slide rail, the slide rail is welded and installed at the rear side of the child seat, and the connecting rod is welded and installed in the slide rail.

[0010] Further, a pusher is disposed inside the slider. A first push block is disposed on the side of the pusher close to the limiting structure, and a second push block is disposed on the side of the pusher close to the clamping member. First connection springs are installed at both ends of the relatively far side of the first push block and the second push block; the pusher includes a sliding block disposed outside the upper end of the slider. An installation rod is installed below the sliding block. The installation rod is in an inverted T shape and is connected to a moving groove opened on the slider. The installation rod extends into the slider. Extrusion blocks are installed at both lower ends of the installation rod. The extrusion blocks are connected to extrusion grooves. Two extrusion grooves are opened on the relatively close side of the first push block and the second push block; when one of the extrusion blocks is assembled with the first push block, it extrudes the limiting structure to release the limitation on the connection ring. When the other extrusion block is assembled with the second push block, it extrudes the clamping members on both sides to release the limitation on the slider.

[0011] Further, the limiting structure includes a first moving block and a limiting member welded to the bottom thereof and bent into a hook shape. The first moving block is disposed in the slider, and one side thereof is in contact with the first push block. The contact surface is an inclined surface. The connection ring is sleeved on the limiting member. One end of the limiting member not connected to the first moving block is connected to an elastic member. The elastic member is disposed outside the slider; the elastic member includes a connecting plate. A limiting rod is installed below the connecting plate close to the limiting rod. The limiting rod extends into the slider and passes through one side of the limiting member. A guiding rod passes through the connecting plate above. A limiting spring is sleeved outside the guiding rod. The limiting spring is welded and installed between the outer side wall of the slider and the connecting plate.

[0012] Further, the clamping member includes a mounting plate. A second moving block is installed at one end of the mounting plate close to the second push block. The second moving block is in contact with one side of the second push block, and the contact surface is an inclined surface. A clamping block is installed at the other end of this side of the mounting plate. The clamping block is disposed in a clamping groove. A second magnet is disposed inside the clamping block; second connection springs are installed at the bottom of the first moving block and on the side of the mounting plate far from the connecting rod. The clamping block extends into the connection hole movably.

[0013] Further, the fixing member includes a mounting block and a limiting block. The mounting block is connected to the mounting groove by screws. The mounting groove is opened on the carriage. The limiting block is rotatably connected to the connection groove. The connection groove is opened on the mounting block. The fixing cross tube is disposed through between the mounting block and the limiting block. The mounting block and the limiting block are connected to the groove. The groove is opened at the rear side of the cushion.

[0014] Furthermore, on one side of the end of the limit block that is rotatably connected to the mounting block, there are two meshing gears. One gear is mounted on the limit block, both gears are mounted inside the mounting block, and a rotating block is mounted on the other gear. The rotating block extends outside the mounting block. A first magnet is connected below the other end of the limit block, and the first magnet is mounted in the connection groove.

[0015] The present invention has the following beneficial effects:

[0016] (1) For the simple external hanging device for a child safety seat of the car seat, by using the fixed horizontal pipe, upper fixing rod, lower fixing rod and guide sleeve in cooperation, the simple external hanging device can be installed on the car seat without modifying the car seat frame. By connecting with the structure on the child seat, the function of installing the child seat is realized, improving the travel safety. The installation method is simple and convenient, and the materials in the device are common pipes, nuts, screws, etc. The structure is simple, easy to manufacture, and has high economy.

[0017] (2) For the simple external hanging device for a child safety seat of the car seat, by using the adjusting nut, adjusting screw and fixed horizontal pipe in cooperation, the length can be changed as required, the distance between the two baffles can be adjusted, and different widths of cushions can be matched, with high applicability. And the baffle is inserted into the outside of the cushion, which can be used to limit the Y-direction movement of the child safety seat and improve the installation effect.

[0018] (3) For the simple external hanging device for a child safety seat of the car seat, by using the pushing member and the clamping member in cooperation, the slider can be clamped and limited on the connecting rod, or the limit can be released to adjust it up and down, so as to adjust the position of the hook to match the position of the upper fixing rod. By using the pushing member and the limiting structure in cooperation, the limit on the connecting member can be released, and thus the limit on the hook can be released, and it can be disassembled, replaced or repaired, with flexible use.

[0019] (4) For the simple external hanging device for a child safety seat of the car seat, by using the fixing member, the position of the fixed horizontal pipe can be limited, thus avoiding the upward movement of the fixed horizontal pipe during use, etc., and improving the fixing effect on the child seat. By using the gear, rotating block and first magnet in cooperation, it is convenient to rotate and expand and limit the limit block, which is convenient for operation.

[0020] Of course, it is not necessary for any product implementing the present invention to achieve all the above-mentioned advantages simultaneously. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a schematic structural diagram of the present invention;

[0022] Figure 2 is the present inventionFigure 1 Schematic diagram of the structure from another perspective;

[0023] Figure 3 Schematic diagram of the structure of the cushion and the guide sleeve of the present invention;

[0024] Figure 4 Schematic diagram of the structure of the fixed horizontal tube and the upper fixed rod of the present invention;

[0025] Figure 5 Schematic diagram of the structure of the adjusting nut and the adjusting screw rod of the present invention;

[0026] Figure 6 Schematic diagram of the structure of the mounting block and the limiting block of the present invention;

[0027] Figure 7 Schematic diagram of the structure of the connecting rod and the slide rail of the present invention;

[0028] Figure 8 Schematic diagram of the structure of the mounting rod and the extrusion block of the present invention;

[0029] Figure 9 Schematic diagram of the structure of the mounting plate and the clamping block of the present invention;

[0030] Figure 10 of the present invention Figure 1 Schematic diagram of the structure at position A;

[0031] Figure 11 of the present invention Figure 2 Schematic diagram of the structure at position B;

[0032] Figure 12 of the present invention Figure 3 Schematic diagram of the structure at position C;

[0033] Figure 13 of the present invention Figure 8 Schematic diagram of the structure at position D;

[0034] Figure 14 of the present invention Figure 9 Schematic diagram of the structure at position E.

[0035] In the figure, 1. child seat; 2. cushion; 3. seat cushion; 4. carriage; 5. ISOFIX interface; 6. hook; 7. upper fixing rod; 8. fixing cross tube; 9. adjusting nut; 10. adjusting screw rod; 11. baffle; 12. lower fixing rod; 13. card slot; 14. guide sleeve; 15. mounting block; 16. limiting block; 17. first magnet; 18. gear; 19. rotating block; 20. connecting groove; 21. mounting groove; 22. groove; 23. connecting band; 24. connecting ring; 25. limiting member; 26. slider; 27. first moving block; 28. limiting rod; 29. connecting plate; 30. guide rod; 31. limiting spring; 32. first pushing block; 33. mounting rod; 34. extrusion block; 35. extrusion groove; 36. sliding block; 37. moving groove; 38. second pushing block; 39. first connecting spring; 40. second moving block; 41. mounting plate; 42. clamping block; 43. second connecting spring; 44. clamping groove; 45. second magnet; 46. connecting rod; 47. slide rail; 48. connecting hole. Detailed implementation manners

[0036] 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 present 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.

[0037] In the description of the present invention, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "periphery", etc. indicating the orientation or position relationship are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as a limitation to the present invention.

[0038] Please refer to Figures 1-14, an embodiment of the present invention provides a technical solution: a simple external hanging device for a child safety seat of an automobile seat, including a child seat 1, the child seat 1 is arranged on a cushion 2 and a seat cushion 3, and further includes a fixed horizontal pipe 8, the fixed horizontal pipe 8 is installed at the connection between the cushion 2 and the seat cushion 3 in the automobile seat, an upper fixing rod 7 is arranged at the middle position of the upper rear part of the fixed horizontal pipe 8, lower fixing rods 12 are arranged at both ends of the fixed horizontal pipe 8, and the two lower fixing rods 12 are symmetric about the longitudinal axis of the fixed horizontal pipe 8. Adjusting members are installed at both ends of the fixed horizontal pipe 8, and a baffle 11 is installed on the adjusting member; two guide sleeves 14, the guide sleeves 14 are clamped with the lower fixing rod 12, the lower fixing rod 12 is connected with an isofix interface 5, and the isofix interface 5 is installed on the child seat 1; a connecting member, the connecting member is connected to the upper fixing rod 7, and an adjusting structure for adjusting its position is installed on the connecting member; two fixing members, the fixing members are installed on the fixed horizontal pipe 8 for limiting the position of the fixed horizontal pipe 8, and the fixing members are connected to the carriage 4 by screws, and the carriage 4 is arranged at the bottom of the cushion 2 and the seat cushion 3.

[0039] Specifically, the adjusting member includes an adjusting nut 9 and an adjusting screw rod 10. The adjusting nut 9 is rotatably installed at the end of the fixed horizontal pipe 8, the adjusting screw rod 10 penetrates through the adjusting nut 9 and extends into the fixed horizontal pipe 8; the baffle 11 is welded and installed outside one end of the adjusting screw rod 10 away from the fixed horizontal pipe 8, the baffle 11 is arranged outside the cushion 2, the lower fixing rod 12 is connected with a card slot 13, the card slot 13 is opened on the guide sleeve 14, the guide sleeve 14 is arranged at the connection between the cushion 2 and the seat cushion 3, and the isofix interface 5 penetrates through the guide sleeve 14.

[0040] In this implementation scheme, the upper fixing rod 7 and the lower fixing rod 12 are both welded on the fixed horizontal pipe 8. The upper fixing rod 7 and the lower fixing rod 12 are connected with the isofix interface 5 and the connecting member on the child seat 1 to realize the function of fixing the child seat 1 on the automobile seat. The fixed horizontal pipe 8 is processed from a pipe. There are two hanging claws on the guide sleeve 14, and a card slot 13 is formed between the hanging claws and the guide sleeve 14, which is connected by the lower fixing rod 12 for guiding. The length of the cross bar in the lower fixing rod 12 is 40 mm and the diameter is 6 mm. After installing the guide sleeve 14, the effective length is 27.1 mm. By rotating the adjusting nut 9, the position of the adjusting screw rod 10 can be adjusted, thereby adjusting the position of the baffle 11 to adapt to the width of different seat cushions 2.

[0041] Specifically, the connecting member includes a hook 6, a connecting belt 23 and a connecting ring 24. The hook 6 is arranged at the upper end of the upper fixing rod 7, the connecting belt 23 is sleeved on the upper end of the hook 6, the connecting ring 24 is installed at the upper end of the connecting belt 23, and the connecting ring 24 is connected with a limiting structure for limiting it and can release the limit of the connecting ring 24.

[0042] In this implementation, the connecting belt 23 is sewn and installed at the bottom of the connecting ring 24, which is connected to the limiting structure. At the same time, the hook 6 is connected to the upper fixing rod 7 to connect and limit the child seat 1.

[0043] Specifically, the adjusting structure includes a slider 26. A connecting hole 48 is formed in the slider 26. A connecting rod 46 is disposed through the connecting hole 48. A circular clamping groove 44 is linearly and arrayedly formed on the connecting rod 46. Two symmetrically arranged clamping members are connected to the outside of the clamping groove 44 inside the connecting hole 48. The slider 26 is slidably connected to a slide rail 47. The slide rail 47 is welded and installed at the rear side of the child seat 1. The connecting rod 46 is welded and installed in the slide rail 47.

[0044] In this implementation, a plurality of clamping grooves 44 are provided on the connecting rod 46, and the connecting rod 46 is made of metal. The slider 26 is limited by connecting the clamping member to the clamping groove 44, and the positions of the slider 26 and the hook 6 are adjusted according to the position of the upper fixing rod 7.

[0045] Specifically, a pushing member is provided inside the slider 26. A first pushing block 32 is arranged on one side of the pushing member close to the limiting structure, and a second pushing block 38 is arranged on one side of the pushing member close to the clamping member. First connecting springs 39 are installed at both ends of the relatively far side of the first pushing block 32 and the second pushing block 38; the pushing member includes a sliding block 36. The sliding block 36 is arranged outside the upper end of the slider 26. An installation rod 33 is installed below the sliding block 36. The installation rod 33 is in an inverted T shape. The installation rod 33 is connected to a moving groove 37. The moving groove 37 is formed in the slider 26. The installation rod 33 extends into the slider 26. Two extrusion blocks 34 are installed at both ends below the installation rod 33. The extrusion blocks 34 are connected to extrusion grooves 35. The two extrusion grooves 35 are formed on the relatively close side of the first pushing block 32 and the second pushing block 38; when one side of the extrusion block 34 is assembled with the first pushing block 32, the limiting structure is extruded to release the limit on the connecting ring 24, and when the other side of the extrusion block 34 is assembled with the second pushing block 38, the clamping members on both sides are extruded to release the limit on the slider 26.

[0046] In this embodiment, the first connecting spring 39 is welded and installed between the first pushing block 32, the second pushing block 38 and the inside of the slider 26. The sliding block 36, the mounting rod 33 and the extrusion block 34 are all connected by welding. Moving the sliding block 36, the sliding block 36 drives the mounting rod 33 to slide in the moving groove 37. When moving to one side, when the extrusion block 34 on this side is driven to be connected with the extrusion groove 35 on the first pushing block 32 and continues to move, the limiting structure is extruded and the limiting structure moves downward to release the limitation on the connecting ring 24. When moving to the other side, the extrusion block 34 on the other side is driven to be connected with the extrusion groove 35 on the second pushing block 38, and the clamping members on both sides of the second pushing block 38 are extruded, so that the clamping members on both sides move away from each other relatively, to release the limitation on the slider 26, and thus the position of the slider 26 can be adjusted.

[0047] Specifically, the limiting structure includes a first moving block 27 and a limiting member 25 welded to the bottom thereof and bent into a hook shape. The first moving block 27 is arranged in the slider 26, and one side thereof is in contact with the first pushing block 32. The contact surface here is an inclined surface. The connecting ring 24 is sleeved on the limiting member 25. One end of the limiting member 25 not connected to the first moving block 27 is connected with an elastic member, and the elastic member is arranged outside the slider 26; the elastic member includes a connecting plate 29. A limiting rod 28 is installed below the connecting plate 29 near the limiting rod 28. The limiting rod 28 extends into the slider 26 and penetrates through one side of the limiting member 25. A guiding rod 30 is connected through the upper part of the connecting plate 29. A limiting spring 31 is sleeved outside the guiding rod 30, and the limiting spring 31 is welded and installed between the outer side wall of the slider 26 and the connecting plate 29.

[0048] In this embodiment, the limiting rod 28 is welded to the connecting plate 29, the guiding rod 30 is welded and installed on the outer wall of the slider 26, the second connecting spring 43 is welded and installed at the bottom of the first moving block 27. Pulling the connecting plate 29 outwards, the limiting spring 31 is stretched, the connecting plate 29 moves on the guiding rod 30, driving the limiting rod 28 to move away from the limiting member 25 to release the limitation on it. Then the first pushing block 32 moves, pushing and extruding the first moving block 27. The first connecting spring 39 installed on the first pushing block 32 is compressed, the first moving block 27 moves downward, extruding the second connecting spring 43 installed at its bottom, driving the limiting member 25 to move downward, so that one end of the limiting member 25 not connected to the first moving block 27 moves to the outside of the slider 26, and the connecting ring 24 can be removed, which is convenient for replacing or repairing the hook 6.

[0049] Specifically, the clamping member includes a mounting plate 41. One side of the mounting plate 41 is close to one end of the second pushing block 38, and a second moving block 40 is installed. The second moving block 40 is in contact with one side of the second pushing block 38, and the contact surface is an inclined surface. At the other end of this side of the mounting plate 41, a clamping block 42 is installed. The clamping block 42 is arranged in the clamping groove 44, and a second magnet 45 is arranged inside the clamping block 42; a second connecting spring 43 is installed at the bottom of the first moving block 27 and on the side of the mounting plate 41 away from the connecting rod 46. The clamping block 42 extends movably into the connecting hole 48.

[0050] In this embodiment, both the second moving block 40 and the clamping block 42 are welded to the mounting plate 41. The second magnet 45 is pasted on the inner wall of the clamping block 42. The second magnet 45 is magnetically connected to the connecting rod 46. The second connecting spring 43 is welded and installed on the side of the mounting plate 41 away from the connecting rod 46. When the second pushing block 38 moves, it squeezes the second moving blocks 40 on both sides. The two second moving blocks 40 and the mounting plate 41 move away from each other relatively. The second connecting springs 43 on both sides are squeezed. The mounting plate 41 drives the clamping block 42 to move away from the clamping groove 44, releasing the limit on the slider 26. By moving the slider 26 up and down, the position of the slider 26 and the position of the hook 6 can be adjusted.

[0051] Specifically, the fixing member includes a mounting block 15 and a limiting block 16. The mounting block 15 is connected to the mounting groove 21 by screws. The mounting groove 21 is opened on the carriage 4. The limiting block 16 is rotatably connected to the connecting groove 20. The connecting groove 20 is opened on the mounting block 15. The fixed horizontal pipe 8 is arranged through between the mounting block 15 and the limiting block 16. The mounting block 15 and the limiting block 16 are connected to the groove 22. The groove 22 is opened at the rear side of the cushion 2. On one side of the end of the limiting block 16 rotatably connected to the mounting block 15, there are two meshing gears 18. One gear 18 is installed on the limiting block 16. Both gears 18 are installed inside the mounting block 15. A rotating block 19 is installed on the other gear 18. The rotating block 19 extends outside the mounting block 15; below the other end of the limiting block 16, a first magnet 17 is connected. The first magnet 17 is installed in the connecting groove 20.

[0052] In this embodiment, the limiting block 16 is made of metal. One gear 18 is welded to the limiting block 16, and the other gear 18 is welded to the rotating block 19. By rotating the rotating block 19, the two gears 18 rotate, driving the limiting block 16 to rotate, so that the limiting block 16 moves away from the first magnet 17, and the limit on the fixed horizontal pipe 8 can be released, and the fixed horizontal pipe 8 can be disassembled.

[0053] During use, according to the width of the seat cushion 2 of the seat, rotate the adjusting nut 9 to adjust the length of the adjusting screw rod 10, thereby adjusting the position of the baffle 11 to match the width of the seat cushion 2. Then insert one end of the fixed cross tube 8 from behind the seat cushion 2 into the gap between the bottom end of the seat cushion 2 and the rear end of the seat cushion 3. Insert the upper fixing rod 12 into the gap between the seat cushion 2 and the carriage 4. Move the fixed cross tube 8 upward and horizontally to make the fixed cross tube 8 snap into the two mounting blocks 15. Rotate the rotating block 19 to make the two gears 18 rotate, driving the limiting block 16 to rotate, so that the limiting block 16 is magnetically connected to the first magnet 17 to limit the fixed cross tube 8, thereby improving the limiting effect on the child seat 1. Connect the hook 6 to the upper fixing rod 12. Move the sliding block 36 toward the side close to the connecting rod 46. The sliding block 36 drives the mounting rod 33 to slide in the moving groove 37, driving the extrusion block 34 on this side to connect with the extrusion groove 35 on the second pushing block 38, and extruding the second moving blocks 40 on both sides of the second pushing block 38. The two second moving blocks 40 and the mounting plate 41 move away from each other relatively. The second connecting springs 43 on both sides are extruded. The mounting plate 41 drives the clamping block 42 away from the clamping groove 44 to release the limit on the slider 26. Move the slider 26 up and down to adjust its position and the position of the hook 6. After adjusting to the appropriate position, move the sliding block 36 in the reverse direction. The second connecting spring 43 on the second moving block 40 resets, extruding the second pushing block 38. At the same time, the first connecting spring 39 on the second pushing block 38 resets, driving the second pushing block 38 to reset until the connection between the second pushing block 38 and the extrusion block 34 is completely released. The clamping block 42 clamps in the clamping groove 44 to limit the slider 26 and the hook 6;

[0054] According to the needs of the user, the connecting plate 29 can be pulled outwards. The limiting spring 31 is stretched. The connecting plate 29 moves on the guide rod 30, driving the limiting rod 28 away from the limiting member 25 to release the limit on the limiting member 25. Move the sliding block 36 to the other side. The sliding block 36 drives the mounting rod 33 to slide in the moving groove 37. The extrusion block 34 on this side is connected to the extrusion groove 35 on the first pushing block 32 and continues to move, pushing the first moving block 27. The first connecting spring 39 installed on the first pushing block 32 is compressed. The first moving block 27 moves downward, extruding the second connecting spring 43 installed at its bottom, driving the limiting member 25 to move downward, so that the end of the limiting member 25 that is not connected to the first moving block 27 moves outside the slider 26. The connecting ring 24 can be removed to facilitate the replacement or repair of the hook 6;

[0055] Then insert the guide sleeve 14 into the bottom of the seat cushion 2 so that the lower fixing rod 7 is stuck in the card slot 13, and the isofix interface 5 at the bottom of the child seat 1 passes through the guide sleeve 14 and is clamped with the cross bar part of the lower fixing rod 7, then the installation of the child seat 1 can be completed.

[0056] It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0057] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of this specification. These embodiments are selected and specifically described in this specification in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. A simple external hanging device for a child safety seat of an automobile seat, comprising a child seat (1), wherein the child seat (1) is arranged on a cushion (2) and a seat cushion (3), and is characterized in that, It further includes: A fixed horizontal tube (8), which is installed at the connection between the middle cushion (2) and the seat cushion (3) of the vehicle seat. An upper fixing rod (7) is provided at the middle position of the upper rear part of the fixed horizontal tube (8). Lower fixing rods (12) are provided at both ends of the fixed horizontal tube (8), and the two lower fixing rods (12) are symmetrical about the longitudinal axis of the fixed horizontal tube (8). Adjusting members are installed at both ends of the fixed horizontal tube (8), and a baffle (11) is installed on the adjusting member; Two guide sleeves (14), which are clamped with the lower fixing rod (12). The lower fixing rod (12) is connected with an isofix interface (5), and the isofix interface (5) is installed on the child seat (1); A connecting member, which is connected to the upper fixing rod (7), and an adjusting structure for adjusting its position is installed on the connecting member; Two fixing members, which are installed on the fixed horizontal tube (8) and are used to limit the position of the fixed horizontal tube (8). The fixing members are connected to the carriage (4) by screws, and the carriage (4) is arranged at the bottom of the middle cushion (2) and the seat cushion (3).

2. The simple external hanging device for a child safety seat of an automobile seat according to claim 1, characterized in that: The adjusting member includes an adjusting nut (9) and an adjusting screw rod (10). The adjusting nut (9) is rotatably installed at the end of the fixed horizontal tube (8), and the adjusting screw rod (10) passes through the adjusting nut (9) and extends into the fixed horizontal tube (8); The baffle (11) is welded and installed on the outside of the end of the adjusting screw rod (10) away from the fixed horizontal tube (8), and the baffle (11) is arranged on the outside of the middle cushion (2).

3. The simple external hanging device for a child safety seat of an automobile seat according to claim 2, characterized in that: The lower fixing rod (12) is connected with a clamping groove (13), the clamping groove (13) is opened on the guide sleeve (14), the guide sleeve (14) is arranged at the connection between the middle cushion (2) and the seat cushion (3), and the isofix interface (5) passes through the guide sleeve (14).

4. The simple external hanging device for a child safety seat of an automobile seat according to claim 1, wherein: The connecting member includes a hook (6), a connecting belt (23) and a connecting ring (24). The hook (6) is arranged at the upper end of the upper fixing rod (7), the connecting belt (23) is sleeved on the upper end of the hook (6), the connecting ring (24) is installed at the upper end of the connecting belt (23), and the connecting ring (24) is connected with a limiting structure for limiting it and can release the limit on the connecting ring (24).

5. The simple external hanging device for a child safety seat of an automobile seat according to claim 4, characterized in that: The adjusting structure includes a slider (26). A connecting hole (48) is opened on the slider (26). A connecting rod (46) passes through the connecting hole (48). Clamping grooves (44) in the shape of a circular ring are linearly arranged on the connecting rod (46). Two symmetrically arranged clamping members are connected to the outside of the clamping groove (44) inside the connecting hole (48). The slider (26) is slidably connected with a slide rail (47), the slide rail (47) is welded and installed at the rear side of the child seat (1), and the connecting rod (46) is welded and installed in the slide rail (47).

6. The simple external device for a child safety seat of an automotive seat according to claim 5, wherein: A pusher is provided inside the slider (26). A first pusher block (32) is provided on one side of the pusher close to the limiting structure, and a second pusher block (38) is provided on the side of the pusher close to the clamping member. First connection springs (39) are installed at both ends of the relatively far side of the first pusher block (32) and the second pusher block (38). The pusher includes a sliding block (36). The sliding block (36) is arranged outside the upper end of the slider (26). An installation rod (33) is installed below the sliding block (36). The installation rod (33) is in an inverted T shape. The installation rod (33) is connected to a moving groove (37). The moving groove (37) is formed on the slider (26). The installation rod (33) extends into the slider (26). Extrusion blocks (34) are installed at both ends below the installation rod (33). The extrusion blocks (34) are connected to extrusion grooves (35). The two extrusion grooves (35) are formed on the relatively close side of the first pusher block (32) and the second pusher block (38). When one of the extrusion blocks (34) is assembled with the first pusher block (32), it extrudes the limiting structure to release the limit on the connecting ring (24). When the other extrusion block (34) is assembled with the second pusher block (38), it extrudes the clamping members on both sides to release the limit on the slider (26).

7. The simple external hanging device for a child safety seat of an automobile seat according to claim 6, characterized in that: The limiting structure includes a first moving block (27) and a limiting member (25) welded to the bottom thereof and bent into a hook shape. The first moving block (27) is arranged in the slider (26), and one side of it is in contact with the first pusher block (32). The contact surface here is an inclined surface. The connecting ring (24) is sleeved on the limiting member (25). One end of the limiting member (25) not connected to the first moving block (27) is connected with an elastic member. The elastic member is arranged outside the slider (26). The elastic member includes a connecting plate (29). A limiting rod (28) is installed below the connecting plate (29) on the side close to the limiting rod (28). The limiting rod (28) extends into the slider (26) and penetrates through one side of the limiting member (25). A guiding rod (30) is connected through the upper part of the connecting plate (29). A limiting spring (31) is sleeved outside the guiding rod (30). The limiting spring (31) is welded and installed between the outer side wall of the slider (26) and the connecting plate (29).

8. The simple external hanging device for a child safety seat of an automobile seat according to claim 7, characterized in that: The clamping member includes a mounting plate (41). A second moving block (40) is installed at one end of the mounting plate (41) close to the second pusher block (38). The second moving block (40) is in contact with one side of the second pusher block (38), and the contact surface is an inclined surface. A clamping block (42) is installed at the other end of this side of the mounting plate (41). The clamping block (42) is arranged in a clamping groove (44). A second magnetic block (45) is arranged inside the clamping block (42). Second connection springs (43) are installed at the bottom of the first moving block (27) and on the side of the mounting plate (41) far from the connecting rod (46). The clamping block (42) extends movably into the connecting hole (48).

9. The simple external hanging device for a child safety seat of an automotive seat according to claim 1, characterized in that: The fixing member includes a mounting block (15) and a limiting block (16). The mounting block (15) is connected to the mounting groove (21) by screws. The mounting groove (21) is formed in the carriage (4). The limiting block (16) is rotatably connected to the connecting groove (20). The connecting groove (20) is formed in the mounting block (15). The fixed horizontal pipe (8) is disposed through between the mounting block (15) and the limiting block (16). The mounting block (15) and the limiting block (16) are connected to the groove (22). The groove (22) is formed at the rear side of the cushion (2).

10. The simple external hanging device for a child safety seat of an automobile seat according to claim 9, characterized in that: On one side of the end of the limiting block (16) rotatably connected to the mounting block (15), there are two meshing gears (18). One of the gears (18) is mounted on the limiting block (16). Both of the two gears (18) are mounted inside the mounting block (15). A rotating block (19) is mounted on the other gear (18). The rotating block (19) extends outside the mounting block (15). Below the other end of the limiting block (16), a first magnet (17) is connected. The first magnet (17) is mounted in the connecting groove (20).

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