CN109910697B - Portable child safety seat used on automobile - Google Patents
Portable child safety seat used on automobile Download PDFInfo
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- CN109910697B CN109910697B CN201811635850.3A CN201811635850A CN109910697B CN 109910697 B CN109910697 B CN 109910697B CN 201811635850 A CN201811635850 A CN 201811635850A CN 109910697 B CN109910697 B CN 109910697B
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- seat
- safety belt
- bevel gear
- rod
- locking
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Abstract
The invention discloses a portable child safety seat used on an automobile, which comprises a seat cushion, a backrest and a headrest, wherein the seat cushion is movably connected with the backrest, the headrest is arranged at the upper end of the backrest, the middle part of the backrest is inwards sunken, mounting belt locking mechanisms are arranged at two sides of the seat cushion, the mounting belt locking mechanisms can lock the lower part of a vehicle-mounted safety belt, an adjusting mechanism is arranged in the seat cushion, the adjusting mechanism is connected with the safety belt locking mechanisms, the adjusting mechanism can adjust the position of the safety belt locking mechanisms, a safety belt position adjusting mechanism is arranged in the backrest, the position of the upper part of the vehicle-mounted safety belt can be adjusted by the safety belt position adjusting mechanism, a safety belt pressing mechanism is arranged on the mounting belt position adjusting mechanism, and the upper part of the vehicle-mounted safety belt can be pressed by the safety belt pressing mechanism. The invention has the advantages of simple structure and strong practicability.
Description
Technical Field
The invention relates to the technical field of automobile accessory equipment, in particular to a portable child safety seat used on an automobile.
Background
Along with the improvement of living standard, the automobile is more and more popular, great convenience is brought to the outgoing of people, and the safety problem of taking a bus is always of great concern, especially the safety of children taking the bus. A child safety seat is defined as a seat that can be secured to a vehicle, and that effectively improves the safety of a child in the vehicle by a child safety system comprising a buckle-equipped harness assembly or flexible member, adjustment mechanism, accessories, etc. In the case of collision or sudden deceleration of the automobile, the impact force on the children is relieved, the body movement of the children is limited to reduce the injury to the children, and the riding safety of the children is ensured.
A portable, collapsible, multi-function child safety seat, patent application No. 201610708905.3. Comprises a base and a backrest connected with the base; the height of the backrest is reduced by adding the middle plate, so that the size of the whole device is reduced, and the folded volume of the child safety seat is as large as a lady handbag, so that the child safety seat is convenient to carry.
However, when the seat disclosed by the patent is applied to an automobile, the safety of children in the automobile cannot be well protected, the adult safety belt cannot be applied to the children, if the children are fastened, a very large hidden danger can occur, and the neck of the child can be easily tightened by the safety belt. Therefore, there is a need for a portable child seat with good safety.
Disclosure of Invention
The invention aims to solve the problems and designs a portable child safety seat used on an automobile.
The technical scheme of the invention is that the portable child safety seat used on the automobile comprises a seat cushion, a backrest and a headrest, wherein the seat cushion is movably connected with the backrest, the headrest is arranged at the upper end of the backrest, safety belt locking mechanisms are arranged on two sides of the seat cushion and can lock the lower part of a vehicle-mounted safety belt, an adjusting mechanism is arranged in the seat cushion and is connected with the safety belt locking mechanisms and can adjust the position of the safety belt locking mechanisms, a safety belt position adjusting mechanism is arranged in the backrest and can adjust the position of the upper part of the vehicle-mounted safety belt, a safety belt pressing mechanism is arranged on the safety belt position adjusting mechanism and can press the upper part of the vehicle-mounted safety belt.
The adjusting mechanism comprises an adjusting screw rod, one end of the adjusting screw rod extends out of the seat cushion and is provided with an adjusting handle, one end of the adjusting screw rod, which is positioned in the seat cushion, is provided with a first bevel gear, two sides of the adjusting screw rod are provided with a first transmission screw rod and a second transmission screw rod, the first transmission screw rod is provided with a second bevel gear and a first nut seat, the first nut seat is in threaded connection with the first transmission screw rod, the second bevel gear is in meshed connection with the first bevel gear, the second bevel gear is provided with a third bevel gear and a second nut seat, the second nut seat is in threaded connection with the second transmission screw rod, the third bevel gear is in meshed connection with the second bevel gear, the seat cushion is internally provided with a first sliding rod, the first sliding rod penetrates through the first nut seat and the second nut seat, the first nut seat and the second nut seat are in sliding connection with the first sliding rod, the first nut seat is fixedly provided with a first connecting plate, and the second nut seat is fixedly provided with a second connecting plate, the first connecting plate and the second connecting plate extend out of the seat cushion.
The safety belt locking mechanism comprises a first clamping piece fixed on a first connecting plate, a first threaded hole and a first dowel hole are formed in the upper end of the first clamping piece, a first set screw is connected to the inner thread of the first threaded hole, a first locking handle is installed at the upper end of the first set screw, a first guide rod is inserted in the first dowel hole, a first locking block is connected to the lower end of the first guide rod, a first clamping groove is formed in the upper end of the first locking block, a first round piece is clamped in the first clamping groove, the lower end of the first set screw is fixedly connected with the first round piece, a second clamping piece is fixed on a second connecting plate, a second threaded hole and a second dowel hole are formed in the upper end of the second clamping piece, a second set screw is connected to the inner thread of the second threaded hole, a second locking handle is installed at the upper end of the second set screw, a second guide rod is inserted in the second dowel hole, and the lower end of the second guide rod is connected with a second locking block, the upper end of the second locking block is provided with a second clamping groove, a second wafer is clamped in the second clamping groove, and the lower end of the second set screw is fixedly connected with the second wafer.
Safety belt position control mechanism is fixed with the fixed block including fixing the second slide bar in the back, second slide bar upper end, and the cover is equipped with slider and cylindrical spring on the second slide bar, and both ends are connected with fixed block and slider respectively about the cylindrical spring, are fixed with miniature spring telescopic link on the slider, and the flexible end of miniature spring telescopic link stretches out the back and installs L type locating lever, is equipped with a plurality of evenly distributed's locating hole on the back, and L type locating lever cartridge is fixed a position at the locating hole.
The safety belt pressing mechanism comprises a third clamping piece fixed on the L-shaped positioning rod, a third threaded hole and a third dowel hole are formed in the third clamping piece, a third set screw is connected to the third threaded hole in an internal thread mode, a third locking handle is installed at the upper end of the third set screw, a third guide rod is inserted into the third dowel hole, the lower end of the third guide rod is connected with a third locking block, a third clamping groove is formed in the upper end of the third locking block, a third wafer is clamped in the third clamping groove, and the lower end of the third set screw is fixedly connected with the third wafer.
The number of teeth of the second bevel gear is the same as that of the third bevel gear, the first bevel gear drives the second bevel gear and the third bevel gear to rotate simultaneously when rotating, and the rotating directions of the second bevel gear and the third bevel gear are opposite.
The first locking block can lock the vehicle-mounted safety belt on the first connecting plate, the second locking block can lock the vehicle-mounted safety belt on the second connecting plate, and the third locking block can lock the vehicle-mounted safety belt on the L-shaped positioning rod.
The back end of the backrest is provided with a nylon hand-held belt.
According to the portable child safety seat manufactured by the technical scheme, the positions of the safety belt locking mechanism and the safety belt position adjusting mechanism can be adjusted according to the body type of a child, the vehicle-mounted safety belt can be adjusted to be below the neck of the child to avoid tying the neck of the child, and the vehicle-mounted safety belt is tightly pressed by the first locking block, the second locking block and the third locking block, so that the vehicle-mounted safety belt is fixedly connected with the child seat, the child sits on the seat cushion and keeps a proper distance from the vehicle-mounted safety belt, and therefore the safety of the child can be guaranteed, and the child cannot be tied.
Drawings
FIG. 1 is a schematic view of a portable child safety seat for use in an automobile according to the present invention;
FIG. 2 is a side view of a portable child safety seat for use in an automobile in accordance with the present invention;
FIG. 3 is a partial schematic view of the adjustment mechanism of the present invention;
FIG. 4 is a partial schematic view of the seat belt locking mechanism of the present invention;
FIG. 5 is a partial schematic view of the seat belt locking mechanism of the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 1 at A;
in the figure, 1, a seat cushion; 2. a backrest; 3. a headrest; 4. adjusting the screw rod; 5. an adjusting handle; 6. a first bevel gear; 7. a first drive screw; 8. a second drive screw; 9. a second bevel gear; 10. a first nut seat; 11. a third bevel gear; 12. a second nut seat; 13. a first slide bar; 14. a first connecting plate; 15. a second connecting plate; 16. a first clip member; 17. a first set screw; 18. a first locking handle; 19. a first guide bar; 20. a first locking block; 21. a first card slot; 22. a first wafer; 23. a second clip member; 24. a second set screw; 25. a second locking handle; 26. a second guide bar; 27. a second locking block; 28. a second card slot; 29. a second wafer; 30. a second slide bar; 31. a fixed block; 32. a slider; 33. a miniature spring telescopic rod; 34. an L-shaped positioning rod; 35. positioning holes; 36. a third fastener; 37. a third set screw; 38. a third locking handle; 39. a third guide bar; 40. a third locking block; 41. a third card slot; 42. a third wafer; 43. a nylon hand-held belt.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings, as shown in fig. 1 to 6, in this embodiment, when a child seat needs to be used, the child seat is first placed on a car seat, then a child is carried on a seat cushion 1, and the positions of a seat belt locking mechanism and a seat belt position adjusting mechanism are adjusted according to the body type of the child;
firstly, adjusting the position of a safety belt locking mechanism, screwing an adjusting handle 5, driving an adjusting screw rod 4 to rotate by the adjusting handle 5, driving a second bevel gear 9 and a third bevel gear 11 to rotate by the adjusting screw rod 4 through a first bevel gear 6, driving a first connecting plate 14 to move by converting the rotation motion of the first driving screw rod 7 into linear motion by a first nut seat 10, driving a second connecting plate 15 to move by a second driving screw rod 8 along with the rotation of the third bevel gear 11 and driving the second connecting plate 15 to move by a second nut seat 12, enabling the first nut seat 10 and the second nut seat 12 to move stably by a first slide rod 13, and driving the first connecting plate 14 and the second connecting plate 15 by the safety belt locking mechanism;
then, the position of the safety belt position adjusting mechanism is adjusted, the third locking handle 38 and the third locking handle 38 are pulled to pull up the L-shaped positioning rod 34, the telescopic end of the miniature spring telescopic rod 33 is stressed to extend out, the L-shaped positioning rod 34 is inserted into the positioning hole 35 after being moved to a proper position, and at the moment, the third clamping piece 36 is positioned below the neck of the child;
after the adjustment is finished, the vehicle-mounted safety belt is pulled out to enable the vehicle-mounted safety belt to sequentially pass through the first clamping part and the second clamping part 23, then the safety belt buckle is inserted into the safety belt socket, the upper part of the vehicle-mounted safety belt passes through the third clamping part 36, the upper part of the vehicle-mounted safety belt is positioned at the chest of a child at this time and cannot clamp the neck of the child, then the first locking handle 18 is screwed, the first locking handle 18 drives the first locking screw 17 to rotate, the first locking screw 17 rotates on the inner side of the first threaded hole while rotating, the first circular sheet 22 rotates in the first clamping groove 21 along with the first locking screw 17, the first locking screw 17 pushes the first locking block 20 to move downwards through the first circular sheet 22, the first guide rod 19 moves downwards in the first blind pin hole along with the downward movement of the first locking block 20, the first locking block 20 stably moves downwards, when the first locking block 20 compresses the vehicle-mounted safety belt, the first locking handle 18 stops being screwed, the second locking handle 25 and the third locking handle 38 are then twisted to cause the second locking block 27 and the third locking block 40 to compress the vehicle seat belt, thereby fixedly connecting the vehicle seat belt to the child seat, and the child should remain a proper distance from the vehicle seat belt between the child seat belts, so that the safety of the child is ensured without hurting the child.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (7)
1. A portable child safety seat used on an automobile comprises a seat cushion (1), a backrest (2) and a headrest (3), and is characterized in that the seat cushion (1) is movably connected with the backrest (2), the headrest (3) is installed at the upper end of the backrest (2), safety belt locking mechanisms are arranged on two sides of the seat cushion (1), the lower portion of a vehicle-mounted safety belt can be locked by the safety belt locking mechanisms, an adjusting mechanism is arranged in the seat cushion (1) and connected with the safety belt locking mechanisms, the position of the safety belt locking mechanisms can be adjusted by the adjusting mechanism, a safety belt position adjusting mechanism is arranged in the backrest (2), the position of the upper portion of the vehicle-mounted safety belt can be adjusted by the safety belt position adjusting mechanism, a safety belt pressing mechanism is arranged on the safety belt position adjusting mechanism, and the upper portion of the vehicle-mounted safety belt can be pressed by the safety belt pressing mechanism;
the adjusting mechanism comprises an adjusting screw rod (4), one end of the adjusting screw rod (4) extends out of the seat cushion (1) and is provided with an adjusting handle (5), one end of the adjusting screw rod (4) positioned in the seat cushion (1) is provided with a first bevel gear (6), two sides of the adjusting screw rod (4) are provided with a first transmission screw rod (7) and a second transmission screw rod (8), the first transmission screw rod (7) is provided with a second bevel gear (9) and a first nut seat (10), the first nut seat (10) is in threaded connection with the first transmission screw rod (7), the second bevel gear (9) is in meshed connection with the first bevel gear (6), the second transmission screw rod (8) is provided with a third bevel gear (11) and a second nut seat (12), the second nut seat (12) is in threaded connection with the second transmission screw rod (8), and the third bevel gear (11) is in meshed connection with the second bevel gear (9), be equipped with first slide bar (13) in seatpad (1), first slide bar (13) are passed through first nut seat (10) and second nut seat (12), first nut seat (10) and second nut seat (12) and first slide bar (13) sliding connection, be fixed with first connecting plate (14) on first nut seat (10), be fixed with second connecting plate (15) on second nut seat (12), seatpad (1) is all stretched out in first connecting plate (14) and second connecting plate (15).
2. The portable child safety seat for the automobile according to claim 1, wherein the seat belt locking mechanism comprises a first clip member (16) fixed on the first connecting plate (14), a first screw hole and a first blind pin hole are formed in the upper end of the first clip member (16), a first set screw (17) is connected to the first screw hole in an internal thread manner, a first locking handle (18) is installed on the upper end of the first set screw (17), a first guide rod (19) is inserted into the first blind pin hole, a first locking block (20) is connected to the lower end of the first guide rod (19), a first clamping groove (21) is formed in the upper end of the first locking block (20), a first circular piece (22) is clamped in the first clamping groove (21), the lower end of the first set screw (17) is fixedly connected with the first circular piece (22), a second clip member (23) is fixed on the second connecting plate (15), the upper end of the second clamping piece (23) is provided with a second threaded hole and a second dowel hole, the second threaded hole is connected with a second set screw (24) in an internal thread, the upper end of the second set screw (24) is provided with a second locking handle (25), a second guide rod (26) is inserted in the second dowel hole, the lower end of the second guide rod (26) is connected with a second locking block (27), the upper end of the second locking block (27) is provided with a second clamping groove (28), a second wafer (29) is clamped in the second clamping groove (28), and the lower end of the second set screw (24) is fixedly connected with the second wafer (29).
3. The portable child safety seat for the automobile as claimed in claim 1, wherein the safety belt position adjusting mechanism includes a second slide rod (30) fixed in the backrest (2), a fixed block (31) is fixed at an upper end of the second slide rod (30), a slider (32) and a cylindrical spring are sleeved on the second slide rod (30), an upper end and a lower end of the cylindrical spring are respectively connected with the fixed block (31) and the slider (32), a miniature spring telescopic rod (33) is fixed on the slider (32), a telescopic end of the miniature spring telescopic rod (33) extends out of the backrest (2) and is provided with an L-shaped positioning rod (34), the backrest (2) is provided with a plurality of uniformly distributed positioning holes (35), and the L-shaped positioning rod (34) is inserted in the positioning holes (35) for positioning.
4. The portable child safety seat for the automobile as claimed in claim 1, wherein the seat belt pressing mechanism includes a third clip (36) fixed on the L-shaped positioning rod (34), the third clip (36) is provided with a third screw hole and a third dowel hole, the third screw hole is connected with a third set screw (37) in a threaded manner, a third locking handle (38) is installed at the upper end of the third set screw (37), a third guide rod (39) is inserted into the third dowel hole, a third locking block (40) is connected at the lower end of the third guide rod (39), a third clamping groove (41) is formed at the upper end of the third locking block (40), a third wafer (42) is clamped in the third clamping groove (41), and the lower end of the third set screw (37) is fixedly connected with the third wafer (42).
5. A portable child safety seat according to claim 1, wherein the second bevel gear (9) and the third bevel gear (11) have the same number of teeth, the first bevel gear (6) rotates to drive the second bevel gear (9) and the third bevel gear (11) to rotate simultaneously, and the second bevel gear (9) and the third bevel gear (11) rotate in opposite directions.
6. A portable child safety seat for use in a vehicle according to claim 2, wherein the first locking block (20) locks the vehicle seat belt to the first link plate (14), the second locking block (27) locks the vehicle seat belt to the second link plate (15), and the third locking block (40) locks the vehicle seat belt to the L-shaped securing lever (34).
7. A portable child safety seat for use in automobiles according to claim 1, wherein the back rest (2) is mounted with a nylon hand strap (43) at the rear end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811635850.3A CN109910697B (en) | 2018-12-29 | 2018-12-29 | Portable child safety seat used on automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811635850.3A CN109910697B (en) | 2018-12-29 | 2018-12-29 | Portable child safety seat used on automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109910697A CN109910697A (en) | 2019-06-21 |
| CN109910697B true CN109910697B (en) | 2021-08-27 |
Family
ID=66959996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811635850.3A Expired - Fee Related CN109910697B (en) | 2018-12-29 | 2018-12-29 | Portable child safety seat used on automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109910697B (en) |
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| CN201592661U (en) * | 2009-06-03 | 2010-09-29 | 长沙立中汽车设计开发有限公司 | Integrated safe car seat for children |
| CN201849346U (en) * | 2010-09-15 | 2011-06-01 | 宁波安普力儿童用品有限公司 | Fastening device of children safety seat for automobile |
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| JPH05301560A (en) * | 1992-04-25 | 1993-11-16 | Tachi S Co Ltd | Through-guide structure for seat belt |
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| CN108422903A (en) * | 2018-05-09 | 2018-08-21 | 上海沃雨电子科技有限公司 | The synchronous regulation structure of child safety seat and its headrest and shoulder safety belt |
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| KR20060014838A (en) * | 2004-08-12 | 2006-02-16 | 현대자동차주식회사 | Seat belt for child |
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| CN201592661U (en) * | 2009-06-03 | 2010-09-29 | 长沙立中汽车设计开发有限公司 | Integrated safe car seat for children |
| CN201849346U (en) * | 2010-09-15 | 2011-06-01 | 宁波安普力儿童用品有限公司 | Fastening device of children safety seat for automobile |
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| CN202115464U (en) * | 2011-01-21 | 2012-01-18 | 吴本林 | Safety belt adjusting device |
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| Publication number | Publication date |
|---|---|
| CN109910697A (en) | 2019-06-21 |
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