CN113119818A

CN113119818A - Child safety seat for vehicle

Info

Publication number: CN113119818A
Application number: CN202110467762.2A
Authority: CN
Inventors: 姚红光; 葛沙沙; 卫元坤
Original assignee: Shanghai University of Engineering Science
Current assignee: Shanghai University of Engineering Science
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-07-16

Abstract

The invention relates to a child safety seat for a vehicle, which comprises a base and a first seat cushion on the base, wherein a second seat cushion is arranged on the first seat cushion, a safety belt is arranged on the second seat cushion, the safety seat further comprises a rotating shaft, a stepping rod and a mounting seat, one end of the mounting seat is inserted into the base, the other end of the mounting seat is positioned outside the base, the stepping rod is connected with a telescopic rod, the end part of the telescopic rod is inserted into the mounting seat, one end of the rotating shaft penetrates through the mounting seat and is connected with the telescopic rod through a crank slider mechanism, the other end of the rotating shaft is provided with a rotating handle, and the mounting seat is provided with a limiting part matched with the rotating handle. Compared with the prior art, the invention has the advantages of simple and convenient operation, good flexibility, wide application range, good safety, good comfort and the like.

Description

Child safety seat for vehicle

Technical Field

The present invention relates to a seat, and in particular to a child safety seat for a vehicle.

Background

Along with the progress of society, the safety problem of children's trip along with the car is outstanding, because most seats all are according to the design of adult's physique on the car, can have a lot of potential safety hazards when children directly use adult's seat, for example children use adult's oblique-pulling type safety belt, draw children's neck very easily when the car turns and hard braking, cause the injury to children. There are many children's safety seat of setting on vehicle seat in the existing market, be equipped with the safety belt that matches with children's figure on the children's safety seat, played fine protection to children, nevertheless because children's figure is short, probably the foot can't fall to the ground, does not step on the foot point, and then can't borrow the power in order to adjust the position of sitting, when the safety belt is too loose or vehicle scram, children take place easily and lean forward, and the security is poor, and influences the comfort level that children sat on the seat.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide the child safety seat for the vehicle, which is simple and convenient to operate, good in flexibility, wide in application range, good in safety and good in comfort.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a children's safety seat for vehicle, includes the first seatpad on base and the base, first seatpad on be equipped with the second seatpad, the second seatpad on be equipped with the safety belt, safety seat still include the pivot, trample pole and mount pad, mount pad one end insert in the base, the other end is located outside the base, the pole of trampling be connected with the telescopic link, the telescopic link tip insert the mount pad, pivot one end pass the mount pad to be connected with the telescopic link through slider-crank mechanism, the other end is equipped with the turning handle, the mount pad on be equipped with the locating part that matches with the turning handle.

Control the telescopic link through operating turning handle and stretch out and draw back, easy and simple to handle, the flexibility is good, through the extension length of this control telescopic link in order to adapt to the children of different heights, has improved security and travelling comfort.

Further, slider-crank mechanism include sleeve and spout, spout and mount pad fixed connection, the sleeve cover at the telescopic link tip to slide and set up in the spout, pivot tip edge be equipped with first connecting piece, the sleeve on be equipped with the second connecting piece, first connecting piece pass through the transfer line and be connected with the second connecting piece.

Furthermore, the sleeve is provided with a second fixing hole, the sleeve is fixed with the telescopic rod through a bolt penetrating through the second fixing hole, and the telescopic rod is simple and convenient to install and stable in structure.

Further, the dwang include first connecting rod, first connecting rod tip be equipped with the swivel becket, the telescopic link include the second connecting rod, second connecting rod tip be equipped with articulated seat, the swivel becket articulated with articulated seat, dwang and telescopic link between form the revolute pair, the dwang can rotate arbitrary angle round the telescopic link to adapt to the children of different heights and the position of sitting of difference.

Further, the dwang pass through the ball pair and trample the pole and be connected, improved the flexibility ratio of trampling the pole greatly to adapt to children's position of sitting, improve travelling comfort and security, and not fragile.

Further, the locating part include the draw-in groove, turning handle on slide and be provided with the snap ring, snap ring and draw-in groove phase-match, the snap ring can insert in the draw-in groove for the pivot rigidity.

Further, the quantity of draw-in groove be a plurality of, a plurality of draw-in grooves set up along vertical direction interval, the turning handle accessible insert the draw-in groove of different positions to the rotational position of adjustment pivot, further adjust the extension length of telescopic link, with the children that adapt to the co-altitude not, the flexible operation, application scope is wide.

Furthermore, the snap ring be the waist type, turning handle on be equipped with spacing buckle, the snap ring cover on spacing buckle, simple structure, the snap ring can slide on turning handle, the plug snap ring of being convenient for.

Furthermore, the treading rod is sleeved with a sleeve handle which is made of elastic materials and has good elasticity, comfort and safety.

Compared with the prior art, the invention has the following beneficial effects:

(1) the invention comprises a base and a first seat cushion on the base, wherein the first seat cushion is provided with a second seat cushion which is provided with a safety belt, the safety seat also comprises a rotating shaft, a treading rod and a mounting seat, one end of the mounting seat is inserted into the base, the other end of the mounting seat is positioned outside the base, the treading rod is connected with a telescopic rod, the end part of the telescopic rod is inserted into the mounting seat, one end of the rotating shaft passes through the mounting seat, and is connected with the telescopic rod through a crank block mechanism, the other end of the crank block mechanism is provided with a rotating handle, the mounting seat is provided with a limiting piece matched with the rotating handle, a child can step on the treading rod, thereby adjusting the sitting posture by means of force, preventing the body from sliding forward, improving the safety and the comfort, meanwhile, the telescopic rod is controlled to stretch by operating the rotating handle, the operation is simple and convenient, the flexibility is good, the stretching length of the telescopic rod is controlled to adapt to children with different heights, and the application range is wide;

(2) the rotating rod comprises a first connecting rod, a rotating ring is arranged at the end part of the first connecting rod, the telescopic rod comprises a second connecting rod, a hinge seat is arranged at the end part of the second connecting rod, the rotating ring is hinged with the hinge seat, a revolute pair is formed between the rotating rod and the telescopic rod, the rotating rod can rotate at any angle around the telescopic rod to adapt to children with different heights and different sitting postures, the flexibility is good, meanwhile, the rotating rod has a folding function, and when a treading rod is not used, the rotating rod keeps vertical downward and does not occupy space;

(3) the rotating rod is connected with the treading rod through the ball pair, so that the flexibility of the treading rod is greatly improved to adapt to the sitting posture of children, the comfort and the safety are improved, meanwhile, the treading rod is movably connected but not fixedly connected, the bearing capacity of the treading rod is improved, and the treading rod is not easy to damage;

(4) the rotary handle can be inserted into the clamping grooves at different positions to adjust the rotating position of the rotating shaft and further adjust the extension length of the telescopic rod so as to adapt to children with different heights, and the rotary handle is flexible to operate and wide in application range.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front side perspective view of the step module;

FIG. 3 is a rear perspective view of the step module;

FIG. 4 is a schematic view of the assembly of the twist grip and the mounting cup;

FIG. 5 is a schematic view of the telescopic rod;

FIG. 6 is a schematic structural view of the sleeve;

FIG. 7 is a schematic view of the structure of the rotating handle;

FIG. 8 is a schematic structural view of a ball set;

FIG. 9 is a schematic view of the construction of the stem;

fig. 10 is a schematic view of the rotating lever;

fig. 11 is a schematic view of the installation position of the chute.

The reference numbers in the figures illustrate:

1. the safety belt comprises a second seat cushion, 2 parts of a safety belt, 3 parts of a base, 4 parts of a mounting seat, 5 parts of a rotating handle, 6 parts of a ball pair, 7 parts of a sleeve handle, 8 parts of a rotating rod, 9 parts of a telescopic rod, 10 parts of a rotating shaft, 11 parts of a limiting buckle, 12 parts of a clamping ring, 13 parts of a clamping groove, 14 parts of a sleeve, 15 parts of a stepping rod, 16 parts of a first connecting piece, 17 parts of a transmission rod, 18 parts of a second connecting piece, 19 parts of a first seat cushion, 20 parts of a sliding groove, 41 parts of a first through hole, 81 parts of a rotating ring, 82 parts of a first connecting rod, 91 parts of a second connecting rod, 92 parts of a hinged seat, 93 parts of a.

Detailed Description

The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

The utility model provides a children's safety seat for vehicle, as figure 1, figure 2 and figure 3, first seatpad 19 on base 3 and the base 3, be equipped with second seatpad 1 on the first seatpad 19, be equipped with safety belt 2 on the second seatpad 1, safety seat still includes pivot 10, trample pole 15 and rectangular bodily

form mount pad

4, 4 one ends of mount pad are inserted in base 3, the other end is located outside base 3, it is connected with telescopic link 9 to trample pole 15, telescopic link 9 tip inserts mount pad 4, be equipped with first through-hole 41 on the mount pad 4, first through-hole 41 is passed to pivot 10 one end, and be connected with telescopic link 9 through slider-crank mechanism, the other end is equipped with turning handle 5, be equipped with the locating part that matches with turning handle 5 on the mount pad 4.

Control telescopic link 9 through operation turning handle 5 flexible, easy and simple to handle, the flexibility is good, through the extension length of this control telescopic link 9 with the children that adapt to different heights, has improved security and travelling comfort.

As shown in fig. 3 and 11, the slider-crank mechanism includes a sleeve 14 and a sliding slot 20, the sliding slot 20 is fixedly connected with the mounting base 4, the sleeve 14 is sleeved on the end portion of the telescopic rod 9 and is slidably disposed in the sliding slot 20, the edge of the end portion of the rotating shaft 10 is provided with a first connecting piece 16, the sleeve 14 is provided with a second connecting piece 18, and the first connecting piece 16 is connected with the second connecting piece 18 through a transmission rod 17.

As shown in fig. 6, the sleeve 14 is provided with a second fixing hole 141, and the sleeve 14 is fixed to the telescopic rod 9 by a bolt passing through the second fixing hole 141, so that the installation is simple and convenient, and the structure is stable.

Referring to fig. 5 and 10, the rotating rod 8 includes a first connecting rod 82, a rotating ring 81 is provided at the end of the first connecting rod 82, the telescopic rod 9 includes a second connecting rod 91, a hinge seat 92 is provided at the end of the second connecting rod 91, the rotating ring 81 is hinged to the hinge seat 92, a rotating pair is formed between the rotating rod 8 and the telescopic rod 9, and the rotating rod 8 can rotate around the telescopic rod 9 at any angle to adapt to children with different heights and different sitting postures.

Like fig. 8, dwang 8 is connected with trample pole 15 through ball pair 6, has improved the flexibility ratio of trampling pole 15 greatly to adapt to children's position of sitting, improve travelling comfort and security, and not fragile.

As shown in fig. 4, the limiting member includes a clamping groove 13, two clamping rings 12 are slidably arranged on the rotating handle 5, the two clamping grooves 13 are arranged at intervals along the vertical direction, the clamping rings 12 are matched with the clamping grooves 13, the clamping rings 12 can be inserted into the clamping grooves 13, the rotating shaft 10 is fixed in position, the clamping grooves 13 at different positions can be inserted into the clamping rings 12 through the rotating handle 5, the rotating position of the rotating shaft 10 can be adjusted, the extension length of the telescopic rod 9 can be further adjusted, the limiting member can be adapted to children with different heights, the operation is flexible, and the application range is.

As shown in fig. 7, the snap ring 12 is waist-shaped, the rotating handle 5 is provided with the limiting buckle 11, the snap ring 12 is sleeved on the limiting buckle 11, the structure is simple, and the snap ring 12 can slide on the rotating handle 5, so that the snap ring 12 can be conveniently inserted and pulled out.

As shown in fig. 9, the treading rod 15 is sleeved with the sleeve handle 7, and the sleeve handle 7 is made of elastic material, so that the treading rod is good in elasticity and comfort and safety.

This embodiment provides a children's safety seat for vehicle, children can step on trampling pole 15 with the foot, thereby can borrow the power in order to adjust the position of sitting, prevent swift current before the health simultaneously, security and travelling comfort have been improved, through operation turning handle 5, it is flexible to control telescopic link 9, turning handle 5 accessible inserts snap ring 12 the draw-in groove 13 of different positions, with the pivoted position of adjustment pivot 10, further adjust the extension length of telescopic link 9, in order to adapt to the children of different heights, the flexible operation, dwang 8 is connected with telescopic link 9 through the revolute pair, trample pole 15 through the ball pair 6 with trample the pole 15 and be connected, the flexibility is good.

The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims

1. A child safety seat for a vehicle comprises a base (3) and a first cushion (19) on the base (3), a second seat cushion (1) is arranged on the first seat cushion (19), a safety belt (2) is arranged on the second seat cushion (1), it is characterized in that the safety seat also comprises a rotating shaft (10), a stepping rod (15) and a mounting seat (4), one end of the mounting seat (4) is inserted into the base (3), the other end is positioned outside the base (3), the treading rod (15) is connected with a telescopic rod (9), the end part of the telescopic rod (9) is inserted into the mounting seat (4), one end of the rotating shaft (10) penetrates through the mounting seat (4), and is connected with a telescopic rod (9) through a crank sliding block mechanism, the other end is provided with a rotating handle (5), the mounting base (4) is provided with a limiting piece matched with the rotating handle (5).

2. A child safety seat according to claim 1, wherein the slider-crank mechanism comprises a sleeve (14) and a sliding slot (20), the sliding slot (20) is fixedly connected with the mounting seat (4), the sleeve (14) is sleeved on the end of the telescopic rod (9) and is slidably arranged in the sliding slot (20), a first connecting piece (16) is arranged on the edge of the end of the rotating shaft (10), a second connecting piece (18) is arranged on the sleeve (14), and the first connecting piece (16) is connected with the second connecting piece (18) through a transmission rod (17).

3. A child safety seat for a vehicle according to claim 2, wherein the sleeve (14) is provided with a second fixing hole (141), and the sleeve (14) is fixed to the telescopic bar (9) by a bolt passing through the second fixing hole (141).

4. A child safety seat for a vehicle according to claim 1, wherein the rotating rod (8) comprises a first connecting rod (82), the end of the first connecting rod (82) is provided with a rotating ring (81), the telescopic rod (9) comprises a second connecting rod (91), the end of the second connecting rod (91) is provided with a hinge seat (92), and the rotating ring (81) is hinged with the hinge seat (92).

5. A child safety seat for vehicles according to claim 1, characterized in that the swivelling lever (8) is connected to the stepping lever (15) by means of a ball joint (6).

6. A child safety seat for a vehicle according to claim 1, wherein the limiting member comprises a locking groove (13), the rotating handle (5) is slidably provided with a locking ring (12), and the locking ring (12) is matched with the locking groove (13).

7. A child safety seat for a vehicle according to claim 6, wherein the number of the catching grooves (13) is plural.

8. A child safety seat for a vehicle according to claim 7, wherein a plurality of catch slots (13) are provided at intervals in the vertical direction.

9. A child safety seat for a vehicle according to claim 6, wherein the snap ring (12) is waist-shaped, the rotating handle (5) is provided with a limit buckle (11), and the snap ring (12) is sleeved on the limit buckle (11).

10. A child safety seat for a vehicle according to claim 1, wherein the treading lever (15) is sleeved with a loop handle (7).