Supporting leg fixing mechanism of child safety seat

Abstract

The utility model relates to the field of child safety seats, and discloses a child safety seat supporting leg fixing mechanism which comprises a rotating wheel, one end of the rotating wheel is fixedly connected with a threaded rod, the outer wall of the threaded rod is in threaded connection with a clamping plate, and one end of the threaded rod is rotationally connected with a supporting plate. A first connecting rod is fixedly connected to one end of the threaded rod, a first limiting column is rotatably connected to the outer wall of the first connecting rod, a base is arranged on the outer wall of the clamping plate, a supporting rod is fixedly connected to the outer wall of the base, and a first telescopic rod is slidably connected to the outer wall of the supporting rod; the outer wall of the first telescopic rod is slidably connected with a lantern ring, the outer wall of the lantern ring is fixedly connected with a supporting column, and the outer wall of the supporting column is fixedly connected with a second connecting rod. According to the utility model, the rotating wheel is rotated to drive the threaded rod to rotate and further drive the clamping plate to clamp the base, so that the supporting legs are fixed in the groove at the bottom of the seat to save space.

Description

Technical Field

[0001] The utility model relates to the field of child safety seats, in particular to a supporting leg fixing mechanism of a child safety seat. Background Art

[0002] The support leg fixing mechanism of a child safety seat is a device designed to improve the safety of a child safety seat; its main function is to stabilize the safety seat through the support leg fixing mechanism when the vehicle collides or stops suddenly, preventing the seat from tilting forward or sideways excessively, thereby reducing injuries to children in a collision; the support leg fixing mechanism is designed to improve the safety of child passengers in the car and reduce the possibility of their injury in a traffic accident; by effectively preventing the safety seat from moving or rolling over in a collision, this mechanism can provide additional protection to ensure the safety of child passengers while the vehicle is driving.

[0003] However, existing support leg fixing mechanisms of child safety seats often lack the function of storing the support legs, which greatly reduces the applicability of the child safety seat and causes the support legs to occupy too much space and be difficult to place. Utility Model Content

[0004] In order to remedy the above deficiencies, the utility model provides a child safety seat support leg fixing mechanism, aiming to improve the lack of support leg storage function, which greatly reduces the applicability of the child safety seat and causes the support legs to occupy too much space and be difficult to place.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a child safety seat support leg fixing mechanism comprises a rotating wheel, one end of the rotating wheel is fixedly connected to a threaded rod, one end of the threaded rod is rotatably connected to a support plate, the outer wall of the threaded rod is threadedly connected to a clamping plate, one end of the threaded rod is fixedly connected to a first connecting rod, the outer wall of the first connecting rod is rotatably connected to a first limiting column, the upper surface of the first limiting column is fixedly connected to the lower surface of the support plate, the outer wall of the clamping plate is provided with a base, the outer wall of the base is fixedly connected to a suction cup, the outer wall of the base is fixedly connected to the support rod, the outer wall of the support rod is slidably connected to a first telescopic rod, the outer wall of the first telescopic rod is slidably connected to a ring, the outer wall of the ring is fixedly connected to the support column, the outer wall of the support column is fixedly connected to a second connecting rod, and the outer wall of the second connecting rod is provided with a button assembly.

[0006] Preferably, the button assembly includes a movable plate, an inner wall of the movable plate is rotatably connected to an outer wall of the second connecting rod, and a spring is fixedly connected to the lower surface of the movable plate.

[0007] Preferably, a first positioning hole is opened inside the first telescopic rod, a second positioning hole is opened inside the first telescopic rod, the bottom end of the spring is fixedly connected to the outer wall of the collar, a positioning column is fixedly connected to the lower surface of the movable plate, the outer wall of the positioning column is slidably connected to the inside of the first positioning hole, and the outer wall of the positioning column is slidably connected to the inside of the second positioning hole.

[0008] Preferably, a fixing plate is fixedly connected to the outer wall of the support rod, and a fixing rod is fixedly connected to the inside of the fixing plate.

[0009] Preferably, the outer wall of the fixed rod is rotatably connected to a gear, and the outer wall of the first telescopic rod is fixedly connected to the second telescopic rod.

[0010] Preferably, the inner wall of the second telescopic rod is fixedly connected with a rack, and the outer wall of the rack is meshingly connected to the outer wall of the gear.

[0011] Preferably, the inner wall of the second telescopic rod is fixedly connected to a second limiting column, and the outer wall of the second limiting column is fixedly connected to the outer wall of the rack.

[0012] Preferably, the inner wall of the second telescopic rod is fixedly connected to a third connecting rod, and the outer wall of the third connecting rod is rotatably connected to a fixing groove.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, the threaded rod is driven to rotate by rotating the rotating wheel, thereby driving the clamping plate to move, thereby clamping the base. At the same time, the third connecting rod provides a fulcrum for the support leg to rotate, so that the support leg can be fixed to the bottom of the safety seat to store the support leg and save space.

[0015] 2. In the utility model, the support rod is driven to move by the gear and the rack, and the support rod is fixed in a suitable position by the positioning hole and the positioning column. A suction cup is installed at the bottom of the base to fix the base inside the car, so as to achieve the effect of adjusting the height of the support leg and fixing the support leg. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional diagram of a support leg fixing mechanism for a child safety seat proposed by the utility model;

[0017] Figure 2 A schematic diagram of a threaded rod of a support leg fixing mechanism of a child safety seat proposed by the utility model;

[0018] Figure 3 This is a schematic diagram of a first telescopic rod of a supporting leg fixing mechanism of a child safety seat proposed by the utility model;

[0019] Figure 4 The utility model is a schematic diagram of a sleeve ring of a support leg fixing mechanism of a child safety seat.

[0020] Legend:

[0021] 1. Rotating wheel; 2. Threaded rod; 3. Clamp; 4. First connecting rod; 5. First limiting column; 6. Base; 7. Suction cup; 8. Support rod; 9. First telescopic rod; 10. First positioning hole; 11. Second positioning hole; 12. Ring; 13. Support column; 14. Second connecting rod; 15. Moving plate; 16. Spring; 17. Positioning column; 18. Fixed plate; 19. Fixed rod; 20. Gear; 21. Second telescopic rod; 22. Rack; 23. Second limiting column; 24. Third connecting rod; 25. Fixed groove; 26. Support plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings of the specification of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Reference Figure 1 and Figure 2 , an embodiment provided by the utility model: a supporting leg fixing mechanism of a child safety seat comprises a rotating wheel 1, one end of the rotating wheel 1 is fixedly connected with a threaded rod 2, one end of the threaded rod 2 is rotatably connected with a supporting plate 26, the outer wall of the threaded rod 2 is threadedly connected with a clamping plate 3, one end of the threaded rod 2 is fixedly connected with a first connecting rod 4, the outer wall of the first connecting rod 4 is rotatably connected with a first limiting column 5, the upper surface of the first limiting column 5 is fixedly connected to the lower surface of the supporting plate 26, the outer wall of the clamping plate 3 is provided with a base 6, the outer wall of the base 6 is fixedly connected with a suction cup 7, the outer wall of the base 6 is fixedly connected with a supporting rod 8, the outer wall of the supporting rod 8 is slidably connected with a first telescopic rod 9, the outer wall of the first telescopic rod 9 is slidably connected with a collar 12, the outer wall of the collar 12 is fixedly connected with a supporting column 13, the outer wall of the supporting column 13 is fixedly connected with a second connecting rod 14, and the outer wall of the second connecting rod 14 is provided with a button assembly;

[0024] Specifically, the rotating wheel 1 drives the threaded rod 2 to rotate, thereby driving the clamping plate 3 to clamp the base 6, and the base 6 is fixedly connected to the suction cup 7, and the other end of the supporting leg is fixed to achieve the function of fixing the supporting leg;

[0025] Reference Figure 4The button assembly includes a moving plate 15, the inner wall of the moving plate 15 is rotatably connected to the outer wall of the second connecting rod 14, and the lower surface of the moving plate 15 is fixedly connected to a spring 16;

[0026] Specifically, one end of the movable plate 15 is pressed to squeeze the spring 16, and the other end of the movable plate 15 is tilted, and then released, and under the action of the spring 16, the position of the other end of the movable plate 15 is restored;

[0027] Reference Figure 1 , Figure 3 and Figure 4 A first positioning hole 10 is provided inside the first telescopic rod 9, a second positioning hole 11 is provided inside the first telescopic rod 9, the bottom end of the spring 16 is fixedly connected to the outer wall of the collar 12, a positioning column 17 is fixedly connected to the lower surface of the movable plate 15, the outer wall of the positioning column 17 is slidably connected to the inside of the first positioning hole 10, and the outer wall of the positioning column 17 is slidably connected to the inside of the second positioning hole 11; a fixing plate 18 is fixedly connected to the outer wall of the support rod 8, and a fixing rod 19 is fixedly connected to the inside of the fixing plate 18; a gear 20 is rotatably connected to the outer wall of the fixing rod 19, and the outer wall of the first telescopic rod 9 is fixedly connected to the second telescopic rod 21; a rack 22 is fixedly connected to the inner wall of the second telescopic rod 21, and the outer wall of the rack 22 is meshedly connected to the outer wall of the gear 20; a second limiting column 23 is fixedly connected to the inner wall of the second telescopic rod 21, and the outer wall of the second limiting column 23 is fixedly connected to the outer wall of the rack 22; a third connecting rod 24 is fixedly connected to the inner wall of the second telescopic rod 21, and a fixing groove 25 is rotatably connected to the outer wall of the third connecting rod 24;

[0028] Specifically, squeeze one end of the movable plate 15, pull the positioning column 17 out of the second positioning hole 11, pull the support rod 8 to a suitable height, insert the positioning column 17 into the first positioning hole 10, and the support rod 8 moves to drive the gear 20 to rotate along the rack 22. When the gear 20 rotates to the position of the second limit column 23, it is blocked to prevent the gear 20 from disengaging from the rack 22, so as to achieve the purpose of adjusting the height of the support leg.

[0029] Working principle: when the device needs to be used, first rotate the rotating wheel 1 to drive the threaded rod 2 to make a spiral motion, and the threaded rod 2 drives the clamping plate to move, and the clamping plate 3 remains in a clamping state close to the base 6, and the base 6 changes from adjustable to fixed. At the same time, the inner rotation of the fixing groove 25 is connected to the third connecting rod 24, and the inner wall of the second telescopic rod 21 is fixedly connected to the outer wall of the third connecting rod 24, providing a fulcrum for the rotation of the support leg, so as to fix the support leg to the bottom of the safety seat; then press one end of the moving plate 15 to pull the positioning column 17 out of the inside of the second positioning hole 11, and then pull the support rod 8 to adjust the overall height of the seat support leg, and then move the ring 12 to a suitable position, the positioning column 17 is fixed inside the first positioning hole 10, and the suction cup 7 fixes the base 6 in the car to adjust the height of the support leg and fix it, so that not only the effect of fixing the support leg to the bottom of the safety seat can be achieved, but also the effect of adjusting the height of the support leg and fixing it can be achieved.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A support leg fixing mechanism for a child safety seat, comprising a rotating wheel (1), characterized in that: One end of the rotating wheel (1) is fixedly connected to a threaded rod (2), one end of the threaded rod (2) is rotatably connected to a support plate (26), an outer wall of the threaded rod (2) is threadedly connected to a clamping plate (3), one end of the threaded rod (2) is fixedly connected to a first connecting rod (4), an outer wall of the first connecting rod (4) is rotatably connected to a first limiting column (5), an upper surface of the first limiting column (5) is fixedly connected to a lower surface of the support plate (26), and an outer wall of the clamping plate (3) is provided with a base (6 ), the outer wall of the base (6) is fixedly connected to a suction cup (7), the outer wall of the base (6) is fixedly connected to a support rod (8), the outer wall of the support rod (8) is slidably connected to a first telescopic rod (9), the outer wall of the first telescopic rod (9) is slidably connected to a collar (12), the outer wall of the collar (12) is fixedly connected to a support column (13), the outer wall of the support column (13) is fixedly connected to a second connecting rod (14), and the outer wall of the second connecting rod (14) is provided with a button assembly.

2. A child safety seat support leg fixing mechanism according to claim 1, characterized in that: The button assembly comprises a movable plate (15), the inner wall of the movable plate (15) is rotatably connected to the outer wall of the second connecting rod (14), and the lower surface of the movable plate (15) is fixedly connected to a spring (16).

3. A child safety seat support leg fixing mechanism according to claim 2, characterized in that: A first positioning hole (10) is provided inside the first telescopic rod (9), a second positioning hole (11) is provided inside the first telescopic rod (9), the bottom end of the spring (16) is fixedly connected to the outer wall of the collar (12), a positioning column (17) is fixedly connected to the lower surface of the movable plate (15), the outer wall of the positioning column (17) is slidably connected to the inside of the first positioning hole (10), and the outer wall of the positioning column (17) is slidably connected to the inside of the second positioning hole (11).

4. A child safety seat support leg fixing mechanism according to claim 3, characterized in that: A fixing plate (18) is fixedly connected to the outer wall of the support rod (8), and a fixing rod (19) is fixedly connected to the interior of the fixing plate (18).

5. A child safety seat support leg fixing mechanism according to claim 4, characterized in that: The outer wall of the fixed rod (19) is rotatably connected to a gear (20), and the outer wall of the first telescopic rod (9) is fixedly connected to a second telescopic rod (21).

6. A child safety seat support leg fixing mechanism according to claim 5, characterized in that: The inner wall of the second telescopic rod (21) is fixedly connected with a rack (22), and the outer wall of the rack (22) is meshingly connected with the outer wall of the gear (20).

7. A child safety seat support leg fixing mechanism according to claim 6, characterized in that: The inner wall of the second telescopic rod (21) is fixedly connected to a second limiting column (23), and the outer wall of the second limiting column (23) is fixedly connected to the outer wall of the rack rail (22).

8. The supporting leg fixing mechanism of a child safety seat according to claim 7, characterized in that: The inner wall of the second telescopic rod (21) is fixedly connected to a third connecting rod (24), and the outer wall of the third connecting rod (24) is rotatably connected to a fixing groove (25).

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