CN107839554A - Children's seat leg structure and children's seat support base - Google Patents
Children's seat leg structure and children's seat support base Download PDFInfo
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- CN107839554A CN107839554A CN201610834388.4A CN201610834388A CN107839554A CN 107839554 A CN107839554 A CN 107839554A CN 201610834388 A CN201610834388 A CN 201610834388A CN 107839554 A CN107839554 A CN 107839554A
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- retractive leg
- leg
- flexible
- belt
- retractive
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- 230000007246 mechanism Effects 0.000 claims abstract description 53
- 230000001133 acceleration Effects 0.000 claims abstract description 30
- 238000001514 detection method Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims 1
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- 230000000694 effects Effects 0.000 description 5
- 238000004904 shortening Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 230000006378 damage Effects 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
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- 208000014674 injury Diseases 0.000 description 1
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- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
- B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
- B60N2/2821—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle having a seat and a base part
- B60N2/2824—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle having a seat and a base part part of the base being supported by the vehicle frame
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Child & Adolescent Psychology (AREA)
- General Health & Medical Sciences (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Automotive Seat Belt Assembly (AREA)
- Seats For Vehicles (AREA)
Abstract
The present invention relates to a kind of children's seat leg structure and children's seat support base, wherein children's seat leg structure includes safe locking mechanism and at least two-stage Retractive leg, safe locking mechanism is arranged between any one or more groups of adjacent two-stage Retractive legs at least two-stage Retractive leg, safe locking mechanism includes flexible-belt, flexible-belt is around adjacent two-stage Retractive leg and can be drawn out with the relative constriction of adjacent two-stage Retractive leg, when the instantaneous acceleration that flexible-belt is drawn out reaches predetermined acceleration, safe locking mechanism can be locked by flexible-belt, to limit the relative constriction between adjacent two-stage Retractive leg by flexible-belt.The present invention is by setting safe locking mechanism, so that when vehicle occurs the situations such as emergency brake and make it that the instantaneous acceleration that flexible-belt is drawn out reaches predetermined acceleration, it is by the safe locking mechanism that flexible-belt is locked, to limit the relative constriction between adjacent two-stage Retractive leg, reduce children's seat the generation of accident such as to tumble, improve security.
Description
Technical field
The present invention relates to child safety seat technical field, more particularly to a kind of children's seat leg structure and children's seat
Support base.
Background technology
Child safety seat is a kind of by the way that child restraint is effectively improved into children riding safety in safety seat
Seat.In the case of car crass or suddenly deceleration, the seat can reduce the body of the stamping press and limiting child to children
Body moves, so as to mitigate the injury to them.In current existing child safety seat, based on European pressure standard
The child safety seat of ISOFIX interfaces is widely used.
In view of difference in height between seat plane and in-car bottom surface be present, the only connection with ISOFIX interfaces is difficult to hold
By pressure when coming from car crass or slowing down suddenly, therefore existing many child safety seats are more steady in order to support
Fixed, the front end that the support base of seat is installed in children is provided with supporting leg, to form secure support, Jin Erti with in-car bottom surface
The high security protection effect of children's seat.At present, when child safety seat is arranged on car seat, it is necessary first to pacify
Children's seat support base is filled, and firm support is formed to child safety seat by supporting leg.
On the other hand, it is contemplated that child safety seat occupies larger space in itself, as a rule, when need not use
During child safety seat, user generally requires dismounting and folded, it is necessary to row installation again when using.Therefore, this is further required
Support base can shrink or fold.User generally requires many more manipulations when installing existing children's seat support base, including
Support base is put into seat plane, ISOFIX interfaces is reconnected, then operates the flexible button on supporting leg again, make support
Leg reaches appropriate length, then unclamps flexible button again and carrys out locking support leg.Whole installation process is comparatively laborious, and needs
User has certain use experience.For lack experience or more careless user for, supporting leg may adjust
It is not in place, it is impossible to push against ground well, or flexible button fails correctly to lock so that supporting leg is in scalable shape
State, when vehicle, which runs into emergency, to be needed to bring to a halt, supporting leg may surprisingly shrink, and cause the imbalance of support base, very
It may extremely cause the children's seat accident such as tumble to occur, certain potential safety hazard be present.
It should be noted that the information for being disclosed in background of invention part is merely intended to totality of the increase to the present invention
The understanding of background, and be not construed as recognizing or imply the information structure in any form by those skilled in the art public affairs
The prior art known.
The content of the invention
The purpose of the present invention is to propose to a kind of children's seat leg structure and children's seat support base, to improve as much as possible
The security of children's seat.
To achieve the above object, the invention provides a kind of children's seat leg structure, including safe locking mechanism and extremely
Few two-stage Retractive leg, any one or more groups of adjacent two-stages that the safe locking mechanism is arranged at least two-stage Retractive leg are stretched
Between contracting leg, the safe locking mechanism includes flexible-belt, and the flexible-belt bypasses the adjacent two-stage Retractive leg and can
It is drawn out with the relative constriction of the adjacent two-stage Retractive leg, reaches pre- in the instantaneous acceleration that the flexible-belt is drawn out
If the safe locking mechanism can be locked by the flexible-belt during acceleration, to limit described adjacent two by the flexible-belt
Relative constriction between level Retractive leg.
Further, the safe locking mechanism also includes at least one coiler, and the coiler is arranged on the phase
On one-level Retractive leg in adjacent two-stage Retractive leg, and the flexible-belt for making to be drawn by the coiler bypasses the adjacent two-stage
Retractive leg, so that the coiler can withdraw the flexible-belt in the adjacent two-stage Retractive leg relative extension, and in institute
The flexible-belt is pulled out when stating adjacent two-stage Retractive leg relative constriction.
Further, at least one coiler includes the first coiler and the second coiler, and the adjacent two-stage is stretched
Contracting leg includes outer layer Retractive leg and internal layer Retractive leg, and the internal layer Retractive leg inserts in the outer layer Retractive leg and the internal layer
Retractive leg and the outer layer Retractive leg can relative motion, first coiler and second coiler are separately positioned on institute
State the both sides in outer layer Retractive leg, the flexible-belt includes one, the both ends of the flexible-belt be introduced into respectively corresponding to it is described
First coiler and second coiler；Or the flexible-belt includes two, one end of two flexible-belts mutually interconnects
Connect, the other end is introduced into corresponding first coiler and second coiler respectively.
Further, at least one coiler includes the first coiler, and the adjacent two-stage Retractive leg includes outer layer
Retractive leg and internal layer Retractive leg, the internal layer Retractive leg is embedded in the outer layer Retractive leg and the internal layer Retractive leg and described
Outer layer Retractive leg can relative motion, first coiler is arranged on the side in the outer layer Retractive leg, the flexible-belt
The outer layer Retractive leg and the internal layer Retractive leg are bypassed after first coiler extraction, and is stretched with being arranged on the outer layer
The fixing point connection of opposite side in contracting leg.
Further, the coiler is the Webbing retractor on automotive safety band.
Further, the guide frame bypassed for the flexible-belt is provided with the adjacent two-stage Retractive leg, can be right
The moving line of the flexible-belt guides, to avoid interfering between the flexible-belt and the adjacent two-stage Retractive leg
And friction.
Further, the adjacent two-stage Retractive leg includes outer layer Retractive leg and internal layer Retractive leg, the internal layer Retractive leg
Insert in the outer layer Retractive leg and the internal layer Retractive leg and the outer layer Retractive leg can relative motion, it is described to be oriented to knot
Structure includes the first bar group and the second bar group, and the first bar group is arranged on the outer layer Retractive leg, and the second bar group is set
On the internal layer Retractive leg, by the first bar group and the second bar group to around the flexible-belt be oriented to.
Further, the first bar group includes the first rod member and the second rod member, is provided with and is used in the outer layer Retractive leg
The first chamber of the internal layer Retractive leg is accommodated, first rod member and second rod member are relative to the internal layer Retractive leg
Axis is symmetrically disposed in the both sides outside the first chamber；And/or the second bar group includes the 3rd rod member and the 4th bar
Part, the 3rd rod member and the 4th rod member are symmetrically disposed in the internal layer relative to the axis of the internal layer Retractive leg
The first end of Retractive leg, the first end of the internal layer Retractive leg are stretched for the internal layer Retractive leg relative with the outer layer Retractive leg
One end nearer apart from outer layer Retractive leg when going out.
Further, the first end of the internal layer Retractive leg is additionally provided with the 5th rod member, and the 5th rod member is arranged on described
Between 3rd rod member and the 4th rod member so that the flexible-belt successively around the 3rd rod member, the 5th rod member and
4th rod member, the 5th rod member are located at the first side of the flexible-belt, the 3rd rod member and the 4th rod member position
In the second side of the flexible-belt.
Further, first rod member, second rod member, the 3rd rod member, the 4th rod member and described
Five rod members are rotatable rotary shaft.
Further, in addition to position-limit mechanism, the position-limit mechanism are used to limit the internal layer Retractive leg relative to described
The extension elongation of outer layer Retractive leg, to cause the 3rd rod member and the 4th rod member all the time than first rod member and described
For second rod member further from the first end of the outer layer Retractive leg, the first end of the outer layer Retractive leg is that the outer layer Retractive leg exists
With one end nearer apart from the internal layer Retractive leg during internal layer Retractive leg relative extension.
Further, the position-limit mechanism includes one be arranged in the outer layer Retractive leg and the internal layer Retractive leg
On limited post and be arranged in the outer layer Retractive leg and the internal layer Retractive leg another on stopper slot, it is described spacing
Post is embedded in the stopper slot, to pass through relative motion of the stopper slot to the outer layer Retractive leg and the internal layer Retractive leg
Scope is limited.
Further, in addition to testing agency, the testing agency are instantaneous when the flexible-belt is drawn out for detecting
Acceleration, the testing agency is connected with the safe locking mechanism signal, so that the safe locking mechanism is according to the inspection
The detection signal for surveying mechanism locks to the flexible-belt.
Further, the one-level Retractive leg on the lower in the adjacent two-stage Retractive leg can rely on self gravitation relative to
Another grade of top Retractive leg stretches out in the adjacent two-stage Retractive leg.
To achieve the above object, the present invention also proposes a kind of children's seat support base, including above-mentioned children's seat supporting leg
Structure.
Based on above-mentioned technical proposal, the present invention includes the safe locking mechanism of flexible-belt by setting so that when vehicle is sent out
When giving birth to the situations such as emergency brake and make it that the instantaneous acceleration that flexible-belt is drawn out reaches predetermined acceleration, the safety can be passed through
Locking mechanism is locked by flexible-belt, to limit the relative constriction between adjacent two-stage Retractive leg, avoids leg structure from surprisingly shrinking,
The balance of support base is influenceed, children's seat is reduced and the generation of accident such as tumbles, improves the security of children's seat.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation that children's seat leg structure one embodiment of the present invention is arranged on support base.
Fig. 2 is the explosive view of Fig. 1 embodiments.
Fig. 3 is the right view of Fig. 1 embodiments.
Fig. 4 is the sectional view of Section A-A in Fig. 3.
Fig. 5 is the enlarged drawing of part shown in label P in Fig. 4.
Fig. 6 is the front view of outer layer Retractive leg in children's seat leg structure one embodiment of the present invention.
Fig. 7 is the sectional view of section B-B in Fig. 6.
Fig. 8 is the left view of outer layer Retractive leg in Fig. 6 embodiments.
Fig. 9 is the sectional view in C-C sections in Fig. 8.
Figure 10 is the top view of internal layer Retractive leg in children's seat leg structure one embodiment of the present invention.
Figure 11 is the front view of internal layer Retractive leg in Figure 10 embodiments.
In figure：101- backrests, 102- support base bodies, 1- flexible-belts, 2- coilers, 3- outer layer Retractive legs, 4- internal layers are stretched
Contracting leg, the rod members of 5- first, the rod members of 6- second, the rod members of 7- the 3rd, the rod members of 8- the 4th, the rod members of 9- the 5th, 10- fix bars, 11- are spacing
Post, 12- stopper slots, 13- Retractive leg bases, 31- first chambers, 32- second chambers, the chambers of 33- the 3rd.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in embodiment is clearly and completely retouched
State.Obviously, described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.Based on this hair
Bright embodiment, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
In the description of the invention, it is to be understood that term " " center ", " transverse direction ", " longitudinal direction ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " on ", " under ", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark
Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right
The limitation of the scope of the present invention.
To improve the security of children's seat, the present invention proposes a kind of improved children's seat leg structure.Such as Fig. 1 institutes
Show, be arranged on the structural representation on support base for children's seat leg structure one embodiment of the present invention, can be seen that from the figure,
Children's seat support base includes backrest 101 and support base body 102, and a side bottom of support base body 102 is provided with children's seat
Leg structure, the children's seat leg structure contact with each other with Automobile inner bottom surface, are connect with two ISOFIX on motor vehicle seat
Mouthful firm triangular support structure is collectively forming, to ensure the balancing of children's seat, consolidate and safety.
As shown in Fig. 2 being the explosive view of children's seat leg structure installation, children's seat leg structure can be by be hinged
Axle is arranged on the bottom surface of support base body 102, and children's seat leg structure can be relative to the bottom surface of support base body 102
Rotate, to facilitate the folding of leg structure.
Children's seat leg structure includes at least two-stage Retractive leg, to realize elongating or shortening for leg structure.It will prop up
When leg structure is folded to the bottom surface of support base body 102, leg structure can be shortened, leg structure is being folded to contact car
During inner bottom surface, it can extend leg structure as needed.Connection between Retractive legs at different levels can have diversified forms, as long as energy
Enough realize the specific elongation or shortening between adjacent two-stage Retractive leg.
Wherein, the one-level Retractive leg on the lower in adjacent two-stage Retractive leg can rely on self gravitation relative to adjacent two-stage
Another grade of top Retractive leg stretches out in Retractive leg.Such as on the afterbody Retractive leg of children's seat leg structure, i.e., with
The end for the Retractive leg that in-car bottom surface contacts with each other can set Retractive leg base 13, and the Retractive leg base 13 can increase supporting leg
Structure and the contact area of in-car bottom surface, the weight of afterbody Retractive leg can also be increased, to cause leg structure extending
When, afterbody Retractive leg can be made to be stretched out by self gravitation relative to upper level Retractive leg so that the elongation of leg structure
It is more convenient.
Enlarged drawing from Fig. 3 shown in Fig. 4 in the sectional view and Fig. 5 of Section A-A can see, children's seat supporting leg
Structure also includes safe locking mechanism, and safe locking mechanism is arranged on any one or more groups of adjacent at least two-stage Retractive leg
Between two-stage Retractive leg, safe locking mechanism includes flexible-belt 1, after flexible-belt 1 is drawn from safe locking mechanism, around adjacent
Two-stage Retractive leg, and flexible-belt 1 can be drawn out with the relative constriction of adjacent two-stage Retractive leg, be drawn in flexible-belt 1
Safe locking mechanism can be locked by flexible-belt 1 when the instantaneous acceleration gone out reaches predetermined acceleration, to be limited by flexible-belt 1
Relative constriction between adjacent two-stage Retractive leg.
Include the safe locking mechanism of flexible-belt 1 by setting so that cause when the situations such as emergency brake occur for vehicle
, can be locked by flexible-belt by the safe locking mechanism when instantaneous acceleration that flexible-belt 1 is drawn out reaches predetermined acceleration,
To limit the relative constriction between adjacent two-stage Retractive leg, avoid leg structure from surprisingly shrinking, influence the balance of support base, subtract
Few children's seat such as is tumbled at the generation of accident, improves the security of children's seat.
Wherein, instantaneous acceleration when flexible-belt 1 is drawn out can be by the inspection that is arranged on children's seat leg structure
Mechanism is surveyed to be detected, such as acceleration transducer etc., testing agency is connected with safe locking mechanism signal, so that safety lock
Determine mechanism to lock flexible-belt 1 according to the detection signal of testing agency.
Children's seat leg structure can also set controller, be judged with the testing result to testing agency, when soft
When instantaneous acceleration when property band 1 is drawn out is more than or equal to predetermined acceleration, controller is sent flexibility to safe locking mechanism
With 1 locked signal；When instantaneous acceleration when flexible-belt 1 is drawn out is less than predetermined acceleration, controller will not be to safety
Locking mechanism sends signal, and flexible-belt 1 can be normally drawn out.Certainly, the controller can also be with children's seat or automobile
The upper controller with other functions shares, as long as can realize that it is acted on.
More than in each embodiment, only too fast, i.e., the wink that flexible-belt 1 is drawn out is shunk in children's seat leg structure
When brief acceleration reaches predetermined acceleration, safe locking mechanism just can be locked by flexible-belt 1, continues quilt by limiting flexible-belt 1
Pull out and cause leg structure from shrinking, and then reduce or eliminate the risk that children's seat is tumbled forward；In children's seat branch
When leg structural stretch, i.e. flexible-belt 1 are withdrawn, regardless of acceleration is withdrawn, safe locking mechanism will not lock flexible-belt 1
Extremely, to ensure that children's seat leg structure can normally extend.
Further, safe locking mechanism also includes at least one coiler 2, and coiler 2 is arranged on adjacent two-stage and stretched
On one-level Retractive leg in leg, and the flexible-belt 1 for making to be drawn by coiler 2 bypasses adjacent two-stage Retractive leg, so that the energy of coiler 2
It is enough that flexible-belt 1 is withdrawn in adjacent two-stage Retractive leg relative extension, and flexibility is pulled out in adjacent two-stage Retractive leg relative constriction
Band 1.
In one embodiment of children's seat leg structure, at least one coiler 2 includes the first coiler and second
Coiler, adjacent two-stage Retractive leg include outer layer Retractive leg 3 and internal layer Retractive leg 4, and internal layer Retractive leg 4 inserts outer layer Retractive leg 3
It is interior, and internal layer Retractive leg 4 and outer layer Retractive leg 3 can relative motion, the first coiler and the second coiler are separately positioned on
Both sides in outer layer Retractive leg 3, flexible-belt 1 include one, the both ends of flexible-belt 1 be introduced into respectively corresponding to the first coiler and
Second coiler；Or flexible-belt 1 includes two, one end of two flexible-belts 1 is connected with each other, and the other end is introduced into pair respectively
The first coiler and the second coiler answered.
In another embodiment of children's seat leg structure, as shown in figure 5, at least one coiler 2 includes first
Coiler, adjacent two-stage Retractive leg include outer layer Retractive leg 3 and internal layer Retractive leg 4, and internal layer Retractive leg 4 is embedded in outer layer Retractive leg 3
Interior and internal layer Retractive leg 4 and outer layer Retractive leg 3 can relative motion, the first coiler is arranged on one in outer layer Retractive leg 3
Side, flexible-belt 1 bypass outer layer Retractive leg 3 and internal layer Retractive leg 4 after the extraction of the first coiler, and with being arranged on outer layer Retractive leg
The fixing point connection of opposite side in 3.
Above-mentioned fixed point can set fix bar 10, flexible-belt 1 can after bypassing outer layer Retractive leg 3 and internal layer Retractive leg 4
To be connected in the fix bar 10.
Preferably, coiler 2 is the Webbing retractor on automotive safety band.Because Webbing retractor has belonged into
Ripe product, therefore can directly be reduced using the Webbing retractor of car belt and be designed and manufactured as this.
Certainly, coiler 2 can also be any other structures form with above-mentioned function, or homemade with above-mentioned
The structure of function.
In a preferred embodiment of children's seat leg structure, it is provided with adjacent two-stage Retractive leg for flexible-belt 1
The guide frame bypassed, the moving line of flexible-belt 1 can be guided, to avoid flexible-belt 1 and adjacent two-stage Retractive leg
Between interfere and rub.
As shown in Figure 6 and Figure 8, the respectively front view and left view of outer layer Retractive leg 3, it is respectively as shown in figures 7 and 9
Sectional view of the outer layer Retractive leg 3 along different cross section, outer layer Retractive leg 3 are body structure, including first chamber 31 and positioned at first
The chamber 33 of second chamber 32 and the 3rd of the both sides of chamber 31, wherein coiler 2 and fix bar 10 can be separately positioned on the second chamber
In the chamber 33 of room 32 and the 3rd, and internal layer Retractive leg 4 may be inserted into first chamber 31, i.e., first chamber 31 can accommodate internal layer
Retractive leg 4, the width of first chamber 31 can be mutually matched with the width of internal layer Retractive leg 4, to enable first chamber 31
Motion to internal layer Retractive leg 4 is limited and is oriented to.
As shown in Figure 10 and Figure 11, it is the top view and front view of internal layer Retractive leg 4.The both sides of internal layer Retractive leg 4 can be with
Groove structure is set, to prevent from interfering with the other structures in the first chamber of outer layer Retractive leg 3 31.
The elongation of children's seat leg structure can be by making internal layer Retractive leg 4 be moved relative to outer layer Retractive leg 3 come real
It is existing, outer layer Retractive leg 3 can also be made to be moved relative to internal layer Retractive leg 4 to realize.
In addition, as shown in figures 1-4, outer layer Retractive leg 3 is located at close to the position of support base body 102, internal layer Retractive leg 4
The position of support base body 102 is located remotely from, in other embodiments, outer layer Retractive leg 3 can also be made to be located remotely from support base
The position of body 102, internal layer Retractive leg 4 are located at close to the position of support base body 102.
As a preferred embodiment of guide frame, guide frame includes the first bar group and the second bar group, the first bar group
Be arranged on outer layer Retractive leg 3, the second bar group is arranged on internal layer Retractive leg 4, by the first bar group and the second bar group to around
Flexible-belt 1 be oriented to.
Wherein, the rod member in the first bar group and the second bar group can be round bar, or the bar of other shapes.
As shown in figure 5, the first bar group includes the first rod member 5 and the second rod member 6, the first rod member 5 and the second rod member 6 relative to
The axis of internal layer Retractive leg 4 is symmetrically disposed in the both sides outside first chamber 31.First rod member 5 and the second rod member 6 are symmetrically set
Put the stationarity that can ensure flexible-belt 1 in telescopic process so that the power suffered by internal layer Retractive leg 4 be also it is symmetrical, favorably
Moved in guarantee internal layer Retractive leg 4 along straight line relative to outer layer Retractive leg 3.
The two bottom sides of first chamber 31 respectively offer the hole passed through for flexible-belt 1, and the first rod member 5 and the second rod member 6 are set
Put close to the position of the side of first chamber 31, the confession flexible-belt 1 opened up in first chamber 31 can be reduced as much as possible
The size in the hole passed through.
Second bar group includes the 3rd rod member 7 and the 4th rod member 8, and the 3rd rod member 7 and the 4th rod member 8 are relative to internal layer Retractive leg
4 axis is symmetrically disposed in the first end of internal layer Retractive leg 4, the first end of internal layer Retractive leg 4 for internal layer Retractive leg 4 with
One end nearer apart from outer layer Retractive leg 3 during outer layer 3 relative extension of Retractive leg.
Preferably, the 3rd rod member 7 and the 4th rod member 8 are positioned close to the position of the side of first chamber 31, to be wound on
Between first rod member 5 and the 3rd rod member 7 and the flexible-belt 1 that is wound between the second rod member 6 and the 4th rod member 8 is relative to vertical side
To angle it is smaller so that the movement locus of flexible-belt 1 avoids the side wall of first chamber 31, and then avoid flexible-belt 1 from making again
Abrasion is produced between Retractive leg during.
The 5th rod member 9 is additionally provided with the first end of internal layer Retractive leg 4, the 5th rod member 9 is arranged on the 3rd rod member 7 and the 4th bar
Between part 8, so that flexible-belt 1 bypasses the 3rd rod member 7, the 5th rod member 9 and the 4th rod member 8 successively, the 5th rod member 9 is located at flexible-belt
1 the first side, the 3rd rod member 7 and the 4th rod member 8 are located at the second side of flexible-belt 1.
Flexible-belt 1 can bypass top, the bottom of the 5th rod member 9 and the top of the 4th rod member 8 of the 3rd rod member 7 successively,
Bottom, the top of the 5th rod member 9 and the bottom of the 4th rod member 8 of the 3rd rod member 7 can also be bypassed successively.Stretched out in flexible-belt 1
Or during withdrawing, the 3rd rod member 7 and the 4th rod member 8 and the 5th rod member 9 can play and flexible-belt 1 ejected or taken back
Booster action, accumulation or disorder cable phenomenon caused by prevent when Retractive leg quickly stretches out flexible-belt 1 to have little time to withdraw.
Preferably, the first rod member 5, the second rod member 6, the 3rd rod member 7, the 4th rod member 8 and the 5th rod member 9 are rotatable rotation
Rotating shaft, it can be rotated with the motion of flexible-belt 1, so as to reduce the abrasion of flexible-belt 1.
Children's seat leg structure also includes position-limit mechanism, and position-limit mechanism is used to limit internal layer Retractive leg 4 relative to outer layer
The extension elongation of Retractive leg 3, with cause the 3rd rod member 7 and the 4th rod member 8 all the time than the first rod member 5 and the second rod member 6 further from
The first end of outer layer Retractive leg 3, the first end of outer layer Retractive leg 3 are outer layer Retractive leg 3 when with internal layer 4 relative extension of Retractive leg
One end nearer apart from internal layer Retractive leg 4.Flexible-belt 1 can be so caused to be in tensioned state all the time, will not be with leg structure
Internal other structures interfere, and guide frame can also be in effective state all the time.
As a preferred embodiment of position-limit mechanism, position-limit mechanism includes being arranged on outer layer Retractive leg 3 and internal layer stretches
Limited post 11 on one in leg 4 and be arranged in outer layer Retractive leg 3 and internal layer Retractive leg 4 another on stopper slot
12, limited post 11 is embedded in stopper slot 12, to pass through relative motion of the stopper slot 12 to outer layer Retractive leg 3 and internal layer Retractive leg 4
Scope is limited.
Limited post 11 is preferably cylinder, and correspondingly stopper slot 12 is preferably oblong slots, to facilitate manufacture.Certainly, limit
The section of position post 11 can also be polygon, and the shape of stopper slot 12 can also accordingly change, as long as position-limiting action can be realized
.
In above-mentioned each embodiment, flexible-belt 1 is preferably safe ribbon, or steel wire rope etc..
Based on above children's seat leg structure, the present invention also proposes a kind of children's seat support base, including above-mentioned youngster
Virgin seat leg structure, children's seat leg structure may be mounted at the bottom surface of support base body 102.Children's seat leg structure
Technique effect in each embodiment is equally applicable to children's seat support base, repeats no more here.
The course of work of one embodiment of children's seat leg structure of the present invention is illustrated below：
As shown in figure 5, from children's seat leg structure contact in-car bottom surface when state in terms of, outer layer Retractive leg 3 is arranged on
Top, internal layer Retractive leg 4 are arranged below, and coiler 2 is arranged in second chamber 32, flexible-belt 1 from coiler 2 extraction after,
The lower section for the first rod member 5 being arranged in second chamber 32 and close to the outside of first chamber 31 is first passed around, then passes around and sets
The top of the 3rd rod member 7 on the internal layer Retractive leg 4 in first chamber 31 and close to second chamber 32 is put, further around mistake
The lower section for the 5th rod member 9 being arranged on the center line of internal layer Retractive leg 4, stretched further around the internal layer being arranged in excessively in first chamber 31
The top of the 4th rod member 8 on contracting leg 4 and close to the 3rd chamber 33, it is arranged on further around crossing in the 3rd chamber 33 and close to the
The lower section of second rod member 6 in the outside of one chamber 31, is then connected with the fix bar 10 being arranged in the 3rd chamber 33.
When mounted, internal layer Retractive leg 4 can quickly be reached under self gravitation effect in-car bottom surface and with in-car bottom surface
Push against, flexible button can be not provided with leg structure, floating type is between such internal layer Retractive leg 4 and outer layer Retractive leg 3
State, the total length of leg structure can be in time adjusted with the fluctuating of vehicle, be advantageous to keep the stationarity of support base.
When internal layer Retractive leg 4 moves upwards relative to outer layer Retractive leg 3, leg structure shortens, in the 3rd rod member 3 and the
Under the ejection effect of four rod members 8, flexible-belt 1 is constantly drawn out, when testing agency detect acceleration that flexible-belt 1 is drawn out compared with
Hour, the normal shortening of leg structure may be now corresponded to, safe locking mechanism does not carry out any operation to flexible-belt 1；Work as inspection
Mechanism is surveyed when detecting that the acceleration that flexible-belt 1 is drawn out reaches predetermined acceleration, may now correspond to vehicle collide or
Situation about slowing down suddenly, leg structure quickly shorten suddenly, and safe locking mechanism can make that flexible-belt 1 is locked, and internal layer stretches
Leg 4 can not be further continued for moving, and leg structure stops shortening；
When internal layer Retractive leg 4 moves downward relative to outer layer Retractive leg 3, leg structure elongation, in the band of the 5th rod member 9
Return under effect, flexible-belt 1 is withdrawn by coiler 2, and the acceleration of the flexible-belt 1 detected by testing agency is reverse, now safety
Locking mechanism will not carry out any operation to flexible-belt 1, and flexible-belt 1 can normally be withdrawn, and leg structure can normally extend.
When needing to dismantle children's seat support base, due to being not provided with flexible button on leg structure, it is only necessary to slowly will
Retractive leg folds, i.e., the speed that flexible-belt 1 is drawn out when leg structure shortens is less than predetermined acceleration and can just make to stretch
Leg folds, it is not necessary to worry because user lacks experience or careless and cause to fold failure, without repeat it is flexible by
Button, simplify operating procedure, improve operation convenience.
By the explanation to children's seat leg structure of the present invention and multiple embodiments of children's seat support base, can see
It is too fast in children's seat leg structure contraction speed to children's seat leg structure of the present invention and children's seat support base embodiment
When can stop shrinking by the locked of flexible-belt, prevent because the unexpected of leg structure shrinks and caused to supporting seat supports
The influence of balance, tumbling for children's seat is effectively prevented, security performance is improved, to adapt to increasingly stricter safety requirements；
Meanwhile flexible button can be not provided with leg structure, simplify operating procedure, improve operation convenience.
Finally it should be noted that：The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, those of ordinary skills in the art should understand that：Still
The embodiment of the present invention can be modified or equivalent substitution is carried out to some technical characteristics；Without departing from this hair
The spirit of bright technical scheme, it all should cover among the claimed technical scheme scope of the present invention.
Claims (15)
1. a kind of children's seat leg structure, it is characterised in that including safe locking mechanism and at least two-stage Retractive leg, the peace
Full locking mechanism is arranged between any one or more groups of adjacent two-stage Retractive legs at least two-stage Retractive leg, the safety lock
Determining mechanism includes flexible-belt (1), and the flexible-belt (1) bypasses the adjacent two-stage Retractive leg and can be with described adjacent two
Level Retractive leg relative constriction and be drawn out, when the instantaneous acceleration that the flexible-belt (1) is drawn out reaches predetermined acceleration
The safe locking mechanism can be locked by the flexible-belt (1), is stretched with limiting the adjacent two-stage by the flexible-belt (1)
Relative constriction between contracting leg.
2. children's seat leg structure according to claim 1, it is characterised in that the safe locking mechanism is also included extremely
A few coiler (2), the coiler (2) are arranged on the one-level Retractive leg in the adjacent two-stage Retractive leg, and make by
The flexible-belt (1) that the coiler (2) is drawn bypasses the adjacent two-stage Retractive leg, so that the coiler (2) can
The flexible-belt (1) is withdrawn in the adjacent two-stage Retractive leg relative extension, and in the relative receipts of the adjacent two-stage Retractive leg
The flexible-belt (1) is pulled out during contracting.
3. children's seat leg structure according to claim 2, it is characterised in that at least one coiler (2) bag
The first coiler and the second coiler are included, the adjacent two-stage Retractive leg includes outer layer Retractive leg (3) and internal layer Retractive leg (4),
The internal layer Retractive leg (4) is inserted in the outer layer Retractive leg (3) and the internal layer Retractive leg (4) and the outer layer Retractive leg
(3) can relative motion, first coiler and second coiler are separately positioned in the outer layer Retractive leg (3)
Both sides, the flexible-belt (1) include one, and the both ends of the flexible-belt (1) are introduced into corresponding first coiler respectively
With second coiler；Or the flexible-belt (1) includes two, one end of two flexible-belts (1) is connected with each other,
The other end is introduced into corresponding first coiler and second coiler respectively.
4. children's seat leg structure according to claim 2, it is characterised in that at least one coiler (2) bag
The first coiler is included, the adjacent two-stage Retractive leg includes outer layer Retractive leg (3) and internal layer Retractive leg (4), the internal layer stretch
In the embedded outer layer Retractive leg (3) of leg (4) and the internal layer Retractive leg (4) and the outer layer Retractive leg (3) can be relative
Motion, first coiler are arranged on the side in the outer layer Retractive leg (3), and the flexible-belt (1) is from the first volume
Receive after device is drawn and bypass the outer layer Retractive leg (3) and the internal layer Retractive leg (4), and with being arranged on the outer layer Retractive leg
(3) the fixing point connection of interior opposite side.
5. children's seat leg structure according to claim 2, it is characterised in that the coiler (2) is for automobile
Webbing retractor on safety belt.
6. children's seat leg structure according to claim 1, it is characterised in that set on the adjacent two-stage Retractive leg
There is the guide frame bypassed for the flexible-belt (1), the moving line of the flexible-belt (1) can be guided, to avoid
Interfere and rub between the flexible-belt (1) and the adjacent two-stage Retractive leg.
7. children's seat leg structure according to claim 6, it is characterised in that the adjacent two-stage Retractive leg includes outer
Layer Retractive leg (3) and internal layer Retractive leg (4), the internal layer Retractive leg (4) are inserted in the outer layer Retractive leg (3) and described interior
Layer Retractive leg (4) and the outer layer Retractive leg (3) can relative motion, the guide frame includes the first bar group and the second bar
Group, the first bar group are arranged on the outer layer Retractive leg (3), and the second bar group is arranged on the internal layer Retractive leg (4)
On, by the first bar group and the second bar group to around the flexible-belt (1) be oriented to.
8. children's seat leg structure according to claim 7, it is characterised in that the first bar group includes the first rod member
(5) and the second rod member (6), the outer layer Retractive leg (3) are interior provided with the first chamber for being used to accommodate the internal layer Retractive leg (4)
(31), first rod member (5) and second rod member (6) are symmetrically set relative to the axis of the internal layer Retractive leg (4)
Put the both sides outside in the first chamber (31)；And/or the second bar group includes the 3rd rod member (7) and the 4th rod member (8),
3rd rod member (7) and the 4th rod member (8) are symmetrically disposed in institute relative to the axis of the internal layer Retractive leg (4)
State the first end of internal layer Retractive leg (4), the first end of the internal layer Retractive leg (4) for the internal layer Retractive leg (4) with it is described
One end nearer apart from the outer layer Retractive leg (3) during outer layer Retractive leg (3) relative extension.
9. children's seat leg structure according to claim 8, it is characterised in that the first of the internal layer Retractive leg (4)
End is additionally provided with the 5th rod member (9), the 5th rod member (9) be arranged on the 3rd rod member (7) and the 4th rod member (8) it
Between, so that the flexible-belt (1) bypasses the 3rd rod member (7), the 5th rod member (9) and the 4th rod member (8) successively,
5th rod member (9) is located at the first side of the flexible-belt (1), and the 3rd rod member (7) and the 4th rod member (8) are located at
Second side of the flexible-belt (1).
10. children's seat leg structure according to claim 9, it is characterised in that first rod member (5), described
Two rod members (6), the 3rd rod member (7), the 4th rod member (8) and the 5th rod member (9) are rotatable rotary shaft.
11. children's seat leg structure according to claim 8, it is characterised in that described spacing also including position-limit mechanism
Mechanism is used to limit extension elongation of the internal layer Retractive leg (4) relative to the outer layer Retractive leg (3), to cause the described 3rd
Rod member (7) and the 4th rod member (8) are all the time than first rod member (5) and second rod member (6) further from the outer layer
The first end of Retractive leg (3), the first end of the outer layer Retractive leg (3) are stretched for the outer layer Retractive leg (3) with the internal layer
One end nearer apart from the internal layer Retractive leg (4) during contracting leg (4) relative extension.
12. children's seat leg structure according to claim 11, it is characterised in that the position-limit mechanism includes being arranged on
Limited post (11) on one in the outer layer Retractive leg (3) and the internal layer Retractive leg (4) and it is arranged on the outer layer and stretches
Stopper slot (12) on another in contracting leg (3) and the internal layer Retractive leg (4), limited post (11) insertion are described spacing
In groove (12), to pass through relative motion of the stopper slot (12) to the outer layer Retractive leg (3) and the internal layer Retractive leg (4)
Scope is limited.
13. children's seat leg structure according to claim 1, it is characterised in that also including testing agency, the detection
Mechanism is used to detect the instantaneous acceleration when flexible-belt (1) is drawn out, the testing agency and the safe locking mechanism
Signal connects, so that the safe locking mechanism is locked according to the detection signal of the testing agency to the flexible-belt (1)
It is fixed.
14. children's seat leg structure according to claim 1, it is characterised in that in the adjacent two-stage Retractive leg
One-level Retractive leg on the lower can rely on self gravitation relative to another grade of Retractive leg top in the adjacent two-stage Retractive leg
Stretch out.
15. a kind of children's seat support base, it is characterised in that including the children's seat as described in any one of claim 1~14
Leg structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610834388.4A CN107839554B (en) | 2016-09-19 | 2016-09-19 | Child seat supporting leg structure and child seat supporting seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610834388.4A CN107839554B (en) | 2016-09-19 | 2016-09-19 | Child seat supporting leg structure and child seat supporting seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107839554A true CN107839554A (en) | 2018-03-27 |
| CN107839554B CN107839554B (en) | 2024-06-28 |
Family
ID=61657294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610834388.4A Active CN107839554B (en) | 2016-09-19 | 2016-09-19 | Child seat supporting leg structure and child seat supporting seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107839554B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020168131A1 (en) * | 2019-02-17 | 2020-08-20 | Said Nakhla | Universal child seat base for isofix installation |
| CN114148226A (en) * | 2021-12-10 | 2022-03-08 | 安徽江淮汽车集团股份有限公司 | Height adjusting system for supporting legs of child seat |
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| EP1279554A1 (en) * | 2001-07-26 | 2003-01-29 | Graco Children's Products Inc. | Seat base with load leg |
| JP2004322684A (en) * | 2003-04-21 | 2004-11-18 | Combi Corp | child seat |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114148226A (en) * | 2021-12-10 | 2022-03-08 | 安徽江淮汽车集团股份有限公司 | Height adjusting system for supporting legs of child seat |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107839554B (en) | 2024-06-28 |
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