CN203611795U - Lock structure on child safety seat - Google Patents
Lock structure on child safety seat Download PDFInfo
- Publication number
- CN203611795U CN203611795U CN201320773733.XU CN201320773733U CN203611795U CN 203611795 U CN203611795 U CN 203611795U CN 201320773733 U CN201320773733 U CN 201320773733U CN 203611795 U CN203611795 U CN 203611795U
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- China
- Prior art keywords
- base plate
- child safety
- safety seat
- locking structure
- connecting rod
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Abstract
The utility model provides a lock structure on a child safety seat and belongs to the technical field of automobiles. According to the lock structure, the technical problems of low reliability of prior child safety seats and the like are solved. The child safety seat comprises a base plate arranged on an automobile body, a seat skeleton is connected onto the base plate, sliding rails are arranged on the upper surface of the base plate, and a plurality of rollers in sliding connection into the sliding rails are arranged at the lower end of the seat skeleton. The lock structure comprises two through holes formed in the base plate, connection rods hinged onto the base plate are formed in the through holes, the upper ends of the connection rods are disposed on one side of the roller rolling direction and abut against the rollers, and lock springs in a compression state are arranged between the lower ends of the connection rods and the bottom of the base plate. The lock structure has the advantages of being capable of improving the safety seat reliability and the like.
Description
Technical field
The utility model belongs to automobile technical field, relates to the locking structure on a kind of child safety seat.
Background technology
Automobile bumps suddenly or brakes with the speed of 50km/h in the process of travelling, and the object in car can produce the impulsive force of 30-40 times of own wt.If baby 10kg, the impulsive force producing when collision just has 300-400kg, and is to occur suddenly, and the baby in bosom can fly out, and the safety strap on automobile designs by adult's standard, be applicable to body weight 36kg, more than height 140cm adult uses.If used to baby, safety strap may be stuck on baby's neck, and the harm to baby while having an accident is larger, and child safety seat arises at the historic moment.
Traditional automobile children safety chair is all at aspects such as safety strap locking condition, covering property, electron steerings, child safety seat to be studied and designed; to improve the safety of child seat; although the safety strap of child seat is compared common safety strap and can better be protected children; but; due to children; the particularly children between 1 to 5 years old; their sitting posture different expressions; safety strap not necessarily can play a role in the time causing danger; and utilize the covering property parameter of seat surface to improve the method for safety, there is too above problem.
Summary of the invention
The purpose of this utility model is the problems referred to above that exist for existing technology, and the locking structure on a kind of child safety seat is provided, and technical problem to be solved in the utility model is how to prevent safety seat maloperation, improves reliability.
The purpose of this utility model can realize by following technical proposal: the locking structure on a kind of child safety seat, it is characterized in that, child safety seat comprises a base plate that can be fixedly installed on auto body, on described base plate, be connected with a cushion frame, described plate upper surface is provided with slide rail, described cushion frame lower end is provided with several and is slidably connected at the cylinder in slide rail, this locking structure comprises two through holes that are arranged on base plate, in described through hole, be provided with the connecting rod being hinged on base plate, the upper end of described connecting rod be positioned at a side of rollers roll direction and with described cylinder against, between the lower end of described connecting rod and the bottom on floor, be provided with a locking spring under compressive state.
Under automobile normal running state, cylinder is subject to the thrust effect of connecting rod, is limited and cannot in slide rail, slides.
In locking structure on above-mentioned a kind of child safety seat, this locking structure also comprises an electric lock assembly that is arranged on connecting rod lower end, described electric lock assembly comprises the box body being fixedly installed on vehicle body, in described box body, be provided with a magnet coil and the armature being slidably connected in box body, after described magnet coil energising, can attract described armature, between described armature and inboard wall of cartridge, be provided with a retracing spring, between described armature and magnet coil, be provided with a voussoir being plugged on box body, the lower end of described connecting rod is fixedly installed a positioning rod, the lower surface of described radius stay offers a locking hole of allowing that voussoir inserts.When magnet coil attracts armature, armature promotes voussoir, make to move on voussoir, and insert in the locking hole on the radius stay that is fixed on connecting rod lower end, make locking structure in lockup state, even if the safety strap that pulls of thinking also cannot be removed the lockup state of locking structure, make this child safety seat reliability improve, actv. prevent maloperation.
In locking structure on above-mentioned a kind of child safety seat, the starting switch of described magnet coil and automobile is connected, and when the starting switch of automobile in closed condition magnet coil of lower time in "on" position.Automobile is in being not activated, and magnet coil attracts armature, and voussoir is inserted in the locking hole on fixed link lower surface, only under automobile starting state, could remove this electricity lock assembly.
In locking structure on above-mentioned a kind of child safety seat, be fixedly installed some pipe links on described cylinder, described pipe link is fixedly connected with described cushion frame.
Compared with prior art, the utlity model has following advantage:
1, when magnet coil attracts armature, armature promotes voussoir, make to move on voussoir, and insert in the locking hole on the radius stay that is fixed on connecting rod lower end, make locking structure in lockup state, even if the safety strap that pulls of thinking also cannot be removed the lockup state of locking structure, make this child safety seat reliability improve, actv. prevent maloperation.
2, automobile is in being not activated, and magnet coil attracts armature, and voussoir is inserted in the locking hole on fixed link lower surface, only under automobile starting state, could remove this electricity lock assembly.
Accompanying drawing explanation
Fig. 1 is the structural representation of this child safety seat.
Fig. 2 is the structural representation of the safety strap of this child seat.
Fig. 3 is the cushion frame structural representation of this child safety seat.
Fig. 4 is the structural representation of base plate in this child seat.
Fig. 5 is the structural representation of this child safety seat mid point lock assembly.
In figure, 1, vehicle body; 2, base plate; 21, slide rail; 3, cushion frame; 31, cylinder; 41, through hole; 42, connecting rod; 43, locking spring; 51, box body; 52, magnet coil; 53, armature; 54, retracing spring; 55, voussoir; 56, radius stay; 57, locking hole; 61, taking-up device; 62, fixing ribbon; 63, dead bolt; 64, snap close; 65, movable ribbon; 66, coated knitmesh; 67, start ribbon; 71, extension spring; 72, drag-line; 81, energy-absorbing spring; 82, roller; 83, spring perch; 84, pipe link.
The specific embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in figures 1 and 3, this child safety seat comprises a base plate 2 that can be fixedly installed on auto body 1, base plate 2 is curved shape and to the perk of automobile front upper place, on base plate 2, be connected with a cushion frame 3, base plate 2 upper surfaces are provided with slide rail 21, cushion frame 3 lower ends are provided with several and are slidably connected at the cylinder 31 in slide rail 21, between cushion frame 3 and base plate 2, be provided with the locking structure of restriction cylinder 31 in slide rail 21 interior slips, this child seat also comprises a safety strap being arranged on cushion frame 3, between safety strap and base plate 2, be provided with the startup structure that can remove the lockup state of locking structure in the time of safety strap tension.
The important topic of automobile design when the safety of child safety seat, in this child safety seat, base plate 2 is mounted and fixed on the back seat of automobile, between the cushion frame 3 of child seat and base plate 2, realize sliding block joint by the mode of cylinder 31 and slide rail 21, between cushion frame 3 and base plate 2, be provided with and stop the locking structure of cushion frame 3 in slide rail 21 interior slips, this locking structure can be removed under the effect that starts structure, the prerequisite that starts arrangement uncouples locking structure is: when automobile occurs to clash into or emergency brake occurs, safety strap tension, start the lockup state of arrangement uncouples locking structure, cushion frame 3 smooth rail 21 under the effect of force of inertia is slided, can cushion rapidly energy on the one hand, prevent children to be subject to compared with large force of inertia seat and injured, on the other hand, because base plate 2 is to the front upper place perk of automobile, can play protective action to children, and after the relative base plate 2 of cushion frame 3 moves, cushion frame 3 is in sweptback state, can make children be removed rapidly by the state of belt pull, prevent the injury of safety strap to children.
As shown in Figure 2, safety strap comprises two taking-up devices 61 that are separately positioned on cushion frame 3 both sides, each taking-up device 61 all connects a fixing ribbon 62, safety band also comprises two dead bolts 63 and two snap closes 64 that coordinate with dead bolt 63, each dead bolt 63 connects respectively a movable ribbon 65, and movable ribbon 65 is all connected with a coated knitmesh 66 with fixing ribbon 62.Safety band adopts the structure of two taking-up devices 61, two fixing ribbons 62 are all connected with coated knitmesh 66 with two movable ribbons 65, can large-area parcel children, solve tie tight the problem of children neck of conventional security band, larger area of thrust surface can effectively prevent the injury of safety strap to children, and, children also can not depart from the constraint of safety strap easily, safety band is also easy to frenulum, the hole forming between two movable ribbons 65 and coated knitmesh 66 is inserted in from children's head, fixing ribbon 62 is fixing with the snap close 64 on cushion frame 3, very convenient.
Safety strap also comprises that two are fixedly installed on respectively two startup ribbons 67 on fixing ribbon 62, automobile is clashed into or when emergency brake, safety strap can be strained under the tightening force effect of taking-up device 61, this is that automobile is clashed into or the signal of emergency brake, on fixing ribbon 62, arrange and start ribbon 67, as triggering the signal source that starts structure, compare traditional electronic signal and have advantages of simple and reliable.
As shown in Figure 3 and Figure 5, locking structure comprises two through holes 41 that are arranged on base plate 2, in through hole 41, be provided with the connecting rod 42 being hinged on base plate 2, the upper end of connecting rod 42 be positioned at a side of cylinder 31 rotating directions and with cylinder 31 against, between the lower end of connecting rod 42 and the bottom on floor, be provided with a locking spring 43 under compressive state, under automobile normal running state, cylinder 31 is subject to the thrust effect of connecting rod 42, be limited and cannot be in the interior slip of slide rail 21, locking structure also comprises an electric lock assembly that is arranged on connecting rod 42 lower ends, electricity lock assembly comprises the box body 51 being fixedly installed on vehicle body 1, in box body 51, be provided with a magnet coil 52 and the armature 53 being slidably connected in box body 51, after magnet coil 52 energisings, can attract armature 53, between armature 53 and box body 51 inwalls, be provided with a retracing spring 54, between armature 53 and magnet coil 52, be provided with a voussoir 55 being plugged on box body 51, the lower end of connecting rod 42 is fixedly installed a positioning rod 56, the lower surface of radius stay 56 offers a locking hole 57 of allowing that voussoir 55 inserts, when magnet coil 52 attracts armature 53, armature 53 promotes voussoir 55, make to move on voussoir 55, and insert in the locking hole 57 on the radius stay 56 that is fixed on connecting rod 42 lower ends, make locking structure in lockup state, even if the safety strap that pulls of thinking also cannot be removed the lockup state of locking structure, the reliability of this child safety seat is improved, actv. prevent maloperation.
As shown in Figure 2, start structure and comprise two and startup ribbon 67 extension spring 71 one to one, one end of extension spring 71 is fixedly connected with the middle part that starts ribbon 67, the other end of extension spring 71 is fixedly connected with cushion frame 3, the lower end that starts ribbon 67 connects a drag-line 72, and drag-line 72 is connected with the lower end of connecting rod 42.Automobile is clashed into or emergency brake; safety strap tightens up; when the tightening force of safety strap reaches the predetermincd tension of extension spring 71 and extension spring 71 is stretched to after certain length; the drag-line 72 that starts ribbon 67 below links pulls connecting rod 42 to swing; make the upper end bottom of connecting rod 42, thereby remove the lockup state of cylinder 31, under force of inertia effect; cushion frame 3 slides along slide rail 21, and children are played a protective role.
As shown in figures 1 and 3, starting ribbon 67 is located on the backrest of cushion frame 3, extension spring 71 is fixedly connected with the backrest of cushion frame 3, between base plate 2 and cushion frame 3, be provided with several energy-absorbing springs 81, energy-absorbing spring 81 is coil spring, and the direction that energy-absorbing spring 81 slides to cushion frame 3 tilts.Energy-absorbing spring 81 can absorb a large amount of energy in cushion frame 3 sliding processes.
As shown in Figure 1 and Figure 4, the two ends of cylinder 31 are connected with respectively a roller 82, roller 82 is connected in slide rail 21 and can be in the interior slip of slide rail 21, on cylinder 31, be fixedly installed some spring perches 83, the lower end of energy-absorbing spring 81 is fixedly installed on spring perch 83, on cylinder 31, be fixedly installed some pipe links 84, pipe link 84 is fixedly connected with cushion frame 3.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (4)
1. the locking structure on a child safety seat, it is characterized in that, child safety seat comprises a base plate (2) that can be fixedly installed on auto body (1), on described base plate (2), be connected with a cushion frame (3), described base plate (2) upper surface is provided with slide rail (21), described cushion frame (3) lower end is provided with several and is slidably connected at the cylinder (31) in slide rail (21), this locking structure comprises two through holes (41) that are arranged on base plate (2), in described through hole (41), be provided with the connecting rod (42) being hinged on base plate (2), the upper end of described connecting rod (42) be positioned at a side of cylinder (31) rotating direction and with described cylinder (31) against, between the lower end of described connecting rod (42) and the bottom on floor, be provided with a locking spring (43) under compressive state.
2. the locking structure on child safety seat according to claim 1, it is characterized in that, this locking structure also comprises an electric lock assembly that is arranged on connecting rod (42) lower end, described electric lock assembly comprises the box body (51) being fixedly installed on vehicle body (1), in described box body (51), be provided with a magnet coil (52) and the armature (53) being slidably connected in box body (51), after described magnet coil (52) energising, can attract described armature (53), between described armature (53) and box body (51) inwall, be provided with a retracing spring (54), between described armature (53) and magnet coil (52), be provided with a voussoir (55) being plugged on box body (51), the lower end of described connecting rod (42) is fixedly installed a positioning rod (56), the lower surface of described radius stay (56) offers a locking hole (57) of allowing that voussoir (55) inserts.
3. the locking structure on child safety seat according to claim 2, is characterized in that, the starting switch of described magnet coil (52) and automobile is connected, and when the starting switch of automobile in closed condition magnet coil of lower time (52) in "on" position.
4. the locking structure on child safety seat according to claim 3, is characterized in that, is fixedly installed some pipe links (84) on described cylinder (31), and described pipe link (84) is fixedly connected with described cushion frame (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320773733.XU CN203611795U (en) | 2013-11-28 | 2013-11-28 | Lock structure on child safety seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320773733.XU CN203611795U (en) | 2013-11-28 | 2013-11-28 | Lock structure on child safety seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203611795U true CN203611795U (en) | 2014-05-28 |
Family
ID=50764464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320773733.XU Expired - Fee Related CN203611795U (en) | 2013-11-28 | 2013-11-28 | Lock structure on child safety seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203611795U (en) |
-
2013
- 2013-11-28 CN CN201320773733.XU patent/CN203611795U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140528 Termination date: 20141128 |
|
| EXPY | Termination of patent right or utility model |