CN211892932U

CN211892932U - Children car safety seat base

Info

Publication number: CN211892932U
Application number: CN201922228041.7U
Authority: CN
Inventors: 王吉平; 黄耀斌; 孙浩杰
Original assignee: Ningbo Mybaby Baby Products Manufacturing Co Ltd
Current assignee: Ningbo Mybaby Baby Products Manufacturing Co Ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-11-10
Anticipated expiration: 2029-12-13

Abstract

The utility model discloses a child car safety seat base, the structure of which comprises a lower cover, supporting legs and the like, wherein a guide rail component which reciprocates along the front and the back of the lower cover is added on the lower cover, and the rear end of each supporting leg is hinged at the front end of the guide rail component, so that after the front end of each supporting leg is suspended, the supporting legs can be folded and closed relative to the lower cover or unfolded and supported relative to the lower cover; meanwhile, the lower cover is also provided with a limiting rod movably mounted in a lifting way, and the backward movement limiting of the guide rail component is released or locked through the lifting movement of the limiting rod; therefore, the improved structure enables the supporting legs to synchronously move forwards and backwards along with the guide rail assembly and limit, so that the base can meet the length and size requirements of the industry standard no matter the base is in a storage state or a use state, and the use safety is ensured.

Description

Children car safety seat base

Technical Field

The utility model relates to a base structure for assisting installation of children's car safety seat, a children's car safety seat base promptly.

Background

As is well known, children's car safety seat base can be used to the steady formal dress of supplementary children's car safety seat or adorn on car seat instead, and its structure mainly includes lower cover and supporting leg etc. to the rear end of supporting leg is articulated at the lower cover front portion usually, and the front end of supporting leg is unsettled and folding the closing up or the lower cover is expanded to prop up ground relatively lower cover, also is the folding closing up of supporting leg for the base state of accomodating that also, the expansion of supporting leg props up ground for the base user state. All the supporting legs on the market are designed like this relatively the lower cover at present, and infant and children's articles for use manufacture designs the lift design of the supporting leg or designs a better lower cover of structure so that children's car safety seat is quick, reliable installation to the modification design of base mostly focus on. However, with the popularization of child car safety seats, in order to better ensure the safety of children taking a car, not only strict industry standards are established for child car safety seats, but also strict specifications are made for auxiliary mounting components such as child car safety seat bases, that is, the bases are required to meet certain length and size requirements when being in a storage state or a use state.

However, the rear ends of the supporting legs are only connected with the lower cover in a rotating mode, so that the length of the base of the child car safety seat is too large or too small when the base is in a storage state or a use state, and the length of the base is difficult to meet the length requirement of the industry standard and guarantee the use safety.

Disclosure of Invention

The utility model aims to solve the technical problem that overcome prior art's defect and provide a supporting leg can fold and close up or expand the bracing ground relatively the lower cover, and it is spacing to move forward relatively the lower cover again to and remove or lock and move spacing children car safety seat base backward.

The technical problem of the utility model is realized through following technical scheme:

a child car safety seat base comprises a lower cover and supporting legs arranged at the front part of the lower cover, wherein the lower cover is provided with a guide rail assembly which reciprocates along the front and the back of the lower cover, the rear ends of the supporting legs are hinged at the front ends of the guide rail assembly, and the front ends of the supporting legs are suspended and folded relative to the lower cover or unfolded relative to the lower cover to support the ground; the lower cover is also provided with a limiting rod movably mounted in a lifting way, and the lifting movement of the limiting rod relieves or locks the backward movement limit of the guide rail component.

The limiting rod is transversely arranged behind the guide rail assembly; guide rail set spare both sides be equipped with the lift seat of fixed mounting on the lower cover respectively, all be equipped with the lift hole that runs through the lower cover in every lift seat, all be equipped with lift movable mounting's unlocking piece in the lift hole of every lift seat, unlocking piece in two lift seats is fixed respectively at the both ends of gag lever post, and two unlocking pieces and gag lever post do the activity of going up and down in step.

The limiting rod and the two unlocking pieces ascend synchronously, the limiting rod is separated from the rear end of the guide rail assembly to release the backward movement limiting of the guide rail assembly, and the lower ends of the two unlocking pieces are retracted into the lifting hole; the limiting rod and the two unlocking pieces descend synchronously, the limiting rod is attached to the rear end of the guide rail assembly tightly to lock the guide rail assembly to move backwards and limit, and the lower ends of the two unlocking pieces are exposed out of the lower end of the lifting hole.

The front ends of the supporting legs are folded and gathered on the bottom surface of the lower cover to push the lower ends of the two unlocking pieces to retract into the lifting hole, so that the two unlocking pieces and the limiting rod are driven to synchronously lift; the two unlocking pieces and the limiting rod descend synchronously under the action of gravity until the lower ends of the two unlocking pieces are exposed out of the lower end of the lifting hole.

The guide rail assembly is internally provided with a guide long circular hole which horizontally extends along the front and the back of the guide rail assembly, and a guide shaft which transversely penetrates through the guide long circular hole is also arranged, and the guide shaft is fixed on the lower cover; the guide rail assembly is guided by the guide oblong hole and the guide shaft to move back and forth.

The guide shaft in the guide long round hole is provided with a front guide shaft and a rear guide shaft which are horizontally and parallelly installed, the two sides of the guide rail assembly are respectively provided with a fixed seat fixedly installed on the lower cover, and the two ends of the front guide shaft and the two ends of the rear guide shaft are respectively and fixedly installed on the fixed seats on the two sides.

The guide rail assembly moves forwards for limiting, and the rear guide shaft is tightly attached to the rear hole wall of the guide long circular hole.

The guide rail assembly comprises a guide rail and connecting pieces fixed on two sides of the guide rail respectively, and the front end of each connecting piece extends out of the front end of the guide rail and is hinged with the rear ends of the supporting legs.

The rear end of the supporting leg is provided with a downward bent arc plate, the arc plate is provided with two positioning grooves, the front end of the supporting leg is unfolded and supported relative to the lower cover, and the front ends of the two connecting pieces are respectively positioned and inserted in the two positioning grooves.

The guide rail be one section square pipe, the direction slotted hole set up respectively on the both sides face of square pipe, also be equipped with the direction slotted hole on every connection piece, the direction slotted hole on two connection pieces overlaps with the direction slotted hole on the both sides face of square pipe respectively.

Compared with the prior art, the utility model is mainly characterized in that a guide rail component which reciprocates along the front and the back of the lower cover is added on the lower cover, and the rear end of the supporting leg is hinged at the front end of the guide rail component, so that the supporting leg can be folded and closed relative to the lower cover or unfolded and supported relative to the lower cover after the front end of the supporting leg is suspended; meanwhile, the lower cover is also provided with a limiting rod movably mounted in a lifting way, and the backward movement limiting of the guide rail component is released or locked through the lifting movement of the limiting rod; therefore, the improved structure enables the supporting legs to synchronously move forwards and backwards along with the guide rail assembly and limit, so that the base can meet the length and size requirements of the industry standard no matter the base is in a storage state or a use state, and the use safety is ensured. In addition, the backward movement limiting of the guide rail component is released or locked mainly by means of the fact that the front end of the supporting leg is folded and gathered on the bottom surface of the lower cover to synchronously push the limiting rod to ascend or utilize the descending of the limiting rod under the action of gravity, and the operation and the use are more flexible and convenient.

Drawings

Fig. 1 is the schematic view of the sectional structure of the storage device (the support legs are folded and closed).

Fig. 2 is a top view of fig. 1.

Fig. 3 is a bottom view of fig. 1.

Fig. 4 is a schematic sectional view of the present invention in use (the support legs are unfolded to support the ground).

Fig. 5 is a top view of fig. 4.

Fig. 6 is a bottom view of fig. 4.

Fig. 7 is an exploded perspective view of fig. 4.

Detailed Description

The embodiments of the present invention will be described in detail below with reference to the drawings.

As shown in fig. 1 to 7, the structure comprises a lower cover 1, a lifting seat 11, a groove 12, a lifting hole 13, a support leg 2, an arc plate 21, a positioning groove 22, a limiting rod 3, an unlocking piece 4, a guide shaft 5, a guide shaft 51, a front guide shaft 52, a rear guide shaft 6, a fixing seat 7, a rotating shaft 7, a guide rail assembly 8, a guide rail 81, a guide rail 82, a connecting piece 83, a guide oblong hole 84 and a hinge hole 84.

A child car safety seat base is used for assisting a child car safety seat to be stably installed on a car seat in a forward or reverse mode as shown in figures 1, 3 and 7, so that the child car safety seat base can effectively guarantee the outgoing safety of a child when the child goes out, and mainly structurally comprises a lower cover 1, supporting legs 2, a guide rail assembly 8, a limiting rod 3 and the like.

The lower cover 1 is a base for mounting other components of the base, the left side of the view shown in fig. 1 is used as the rear of the lower cover, the right side of the view is used as the front of the lower cover, and the support legs 2 are mounted on the front of the lower cover 1.

The guide rail component 8 is arranged on the lower cover 1 in a reciprocating way along the front and the back of the lower cover, and is positioned in the middle of the top surface of the lower cover 1; the guide rail assembly 8 comprises a guide rail 81 and connecting pieces 82 which are respectively welded and fixed on two sides of the guide rail, the guide rail 81 is a section of square tube, two side faces of the square tube are respectively provided with guide long round holes 83 which horizontally extend along the front and the back of the guide rail, and the guide long round holes on the two side faces are not only identical in length and size, but also on the same horizontal plane; the two connecting pieces 82 are completely the same, the rear end of each connecting piece 82 penetrates through the square tube and is welded and fixed with the two inner side faces of the square tube, the front end of each connecting piece 82 extends out of the front end of the guide rail 81 by the same length, each connecting piece 82 is also provided with a guide long circular hole 83, and the guide long circular holes 83 in the two connecting pieces 82 are also completely the same in length and size and are positioned on the same horizontal plane, so the guide long circular holes 83 in the two connecting pieces 82 are just overlapped with the guide long circular holes 83 in the two side faces of the guide rail 81.

Meanwhile, the guide shaft 5 transversely penetrating through the guide oblong hole 83 is further provided, only one guide shaft or a plurality of guide shafts can be arranged, but generally two guide shafts can achieve a better use effect, for example, in the embodiment, a front guide shaft 51 and a rear guide shaft 52 which are horizontally and parallelly installed are designed, and the two guide shafts 5 are fixed on the lower cover 1, and the specific structure is as follows: fixing seats 6 fixedly mounted on the lower cover 1 are respectively arranged on two sides of the guide rail assembly 8, two ends of the front guide shaft 51 and the rear guide shaft 52 are respectively fixedly mounted on the fixing seats 6 on the two sides, and the guide rail assembly 8 can perform front and rear reciprocating movement under the guiding cooperation of the guide long circular hole 83 and the two guide shafts 5. The forward movement of the guide rail assembly 8 is limited by the rear guide shaft 52 being closely attached to the rear hole wall of the guide oblong hole 83.

The rear ends of the supporting legs 2 are hinged to the front ends of the guide rail assemblies 8, and are particularly hinged to hinge holes 84 at the front ends of the two connecting pieces 82 through rotating shafts 7, so that the front ends of the supporting legs 2 can be folded and gathered relative to the lower cover 1 as shown in figures 1-3 or unfolded and supported relative to the lower cover 1 as shown in figures 4-6 after being suspended; and the 2 rear ends of supporting leg still are equipped with the arc board 21 of downwarping, are equipped with two constant head tanks 22 on this arc board, and its effect is: when the front end of the supporting leg 2 is unfolded and supported relative to the lower cover 1, the front ends of the two connecting pieces 82 are just positioned and inserted into the two positioning grooves 22 respectively, so that the accuracy of the unfolding position of the supporting leg 2 can be ensured, and the supporting leg 2 is more stable and reliable when being unfolded and supported relative to the lower cover 1.

In addition, still be equipped with the gag lever post 3 of lift movable mounting on the lower cover 1, this gag lever post is horizontal to be installed at the rear of guide rail set spare 8, and the both sides of guide rail set spare 8 are equipped with the lift seat 11 of fixed mounting on lower cover 1 respectively, even also can be with two lift seats and lower cover 1 design as integrated into one piece, all be equipped with in every lift seat 11, the lift hole 13 that runs through the lower cover down, all be equipped with lift movable mounting's unlocking piece 4 in the lift hole of every lift seat, unlocking piece 4 in two lift seats 11 is fixed respectively at the both ends of gag lever post 3, so two unlocking pieces 4 and gag lever post 3 just can make synchronous lift activity. The top of the two sides of each lifting seat 11 is respectively provided with a U-shaped groove and a long circular groove so as to facilitate the assembly of the limiting rod 3 and prevent the limiting rod 3 from being separated from the lifting hole 13.

And the lifting activity of the limiting rod 3 is mainly used for releasing or locking the backward movement limit of the guide rail component 8, and the specific action process is as follows: the limiting rod 3 and the two unlocking pieces 4 synchronously ascend, the limiting rod 3 is separated from the rear end of the guide rail assembly 8 to relieve the backward movement limiting of the guide rail assembly, the lower ends of the two unlocking pieces 4 are retracted into the lifting hole 13, and the supporting leg 2 can synchronously move backward along with the guide rail assembly 8; the limiting rod 3 and the two unlocking pieces 4 descend synchronously, the limiting rod is attached to the rear end of the guide rail assembly 8 tightly to lock the guide rail assembly to move backwards for limiting, the lower ends of the two unlocking pieces 4 are exposed out of the lower end of the lifting hole 13, and the supporting leg 2 cannot move backwards synchronously along with the guide rail assembly 8.

Of course, the spacing of the guide rail assembly 8 by the limiting rod 3 is released or locked, and is not limited to this embodiment, for example, the limiting rod 3 may also be disposed above the guide rail assembly 8, and then a matching locking groove is disposed on the guide rail assembly 8, so that the limiting rod 3 can be lifted and lowered only by engaging with or disengaging from the locking groove, and the above structural purpose can also be achieved.

Moreover, the utility model discloses still fuse the synchronous lift of gag lever post 3 and two unlocking piece 4 in the synchronous operation of other parts, when supporting leg 2 front end is folding and is being gathered together in lower cover 1 bottom surface promptly, can push up simultaneously two unlocking piece 4 lower extremes and retract into lift hole 13, thereby drive two unlocking piece 4 and gag lever post 3 synchronous rising, just so need not remove the folding operation of supporting leg 2 and the backward movement of guide rail subassembly 8 spacing and split into two steps and accomplish, greatly improved the linkage, flexibility and the convenience of operating action; the two unlocking pieces 4 and the limiting rod 3 can synchronously descend only by utilizing the gravity action of the two unlocking pieces and the limiting rod.

The bottom surface of the lower cover 1 can be provided with a groove 12 so that the folded supporting legs 2 can be assembled in the groove in an inosculating way, thereby reducing the thickness of the folded base.

The utility model discloses a this kind of structure can make supporting leg 2 lower cover 1 relatively fold and close up or expand and prop ground, can follow guide rail assembly 8 again and relative lower cover 1 does to move forward spacing to and remove or the locking moves backward spacingly, so the base no matter be in when accomodating state or user state, can both accord with industry standard's length size requirement, thereby guarantee the safety in utilization.

The above description is only an embodiment of the present invention, and it should be understood by those skilled in the art that any structural design equivalent to this embodiment is included in the scope of the present invention.

Claims

1. A child car safety seat base comprises a lower cover (1) and supporting legs (2) arranged on the front portion of the lower cover, and is characterized in that guide rail assemblies (8) which do reciprocating motion along the front and the back of the lower cover are arranged on the lower cover (1), the rear ends of the supporting legs (2) are hinged to the front ends of the guide rail assemblies (8), the front ends of the supporting legs (2) are suspended in the air and are folded and closed relative to the lower cover (1) or are unfolded and supported relative to the lower cover (1); the lower cover (1) is also provided with a limiting rod (3) movably mounted in a lifting way, and the lifting movement of the limiting rod relieves or locks the backward movement limitation of the guide rail component (8).

2. A child car seat base according to claim 1, wherein said restraint bar (3) is mounted transversely behind the rail assembly (8); guide rail set spare (8) both sides be equipped with lift seat (11) of fixed mounting on lower cover (1) respectively, all be equipped with lift hole (13) that run through the lower cover in every lift seat, all be equipped with lift movable mounting's unlocking piece (4) in lift hole (13) of every lift seat (11), unlocking piece (4) in two lift seats (11) are fixed respectively at the both ends of gag lever post (3), and two unlocking pieces (4) and gag lever post (3) do the activity of going up and down in step.

3. The base for the child car safety seat according to claim 2, wherein the stopper rod (3) and the two unlocking members (4) are raised synchronously, the stopper rod (3) is separated from the rear end of the guide rail assembly (8) to release the backward movement limitation of the guide rail assembly (8), and the lower ends of the two unlocking members (4) are retracted into the lifting hole (13); gag lever post (3) and two unlocking piece (4) descend in step, gag lever post (3) hug closely guide rail set spare (8) rear end and lock guide rail set spare backward move spacing, the lower extreme of these two unlocking piece (4) is exposed by lift hole (13) lower extreme.

4. The base of the child car safety seat according to claim 3, wherein the front ends of the supporting legs (2) are folded and gathered on the bottom surface of the lower cover (1) to push the lower ends of the two unlocking parts (4) to retract into the lifting hole (13), so as to drive the two unlocking parts (4) and the limiting rod (3) to synchronously lift; two unlocking parts (4) and the limiting rod (3) synchronously descend under the action of gravity until the lower ends of the two unlocking parts (4) are exposed out of the lower end of the lifting hole (13).

5. The base of the child car safety seat according to claim 1, wherein the guide rail assembly (8) is provided with a guide slotted hole (83) horizontally extending along the front and the back of the guide rail assembly, and a guide shaft (5) transversely penetrating the guide slotted hole (83) is further provided, and the guide shaft is fixed on the lower cover (1); the guide rail assembly (8) is guided by the guide oblong hole (83) and the guide shaft (5) to move back and forth.

6. The base of the child car safety seat according to claim 5, wherein the guide shaft (5) in the guide oblong hole (83) is provided with a front guide shaft (51) and a rear guide shaft (52) which are horizontally and parallelly installed, the two sides of the guide rail assembly (8) are respectively provided with a fixed seat (6) fixedly installed on the lower cover (1), and the two ends of the front guide shaft (51) and the rear guide shaft (52) are respectively fixedly installed on the fixed seats (6) on the two sides.

7. A child car seat base according to claim 6, wherein said guide rail assembly (8) is forwardly restrained, and said rear guide shaft (52) abuts against a rear wall of said guide oblong hole (83).

8. A child car safety seat base according to claim 5, wherein the rail assembly (8) comprises a rail (81) and connecting pieces (82) fixed to both sides of the rail, each of which has a front end extending beyond the front end of the rail (81) and is hinged to the rear end of the support leg (2).

9. The base of a child car safety seat according to claim 8, wherein the rear end of the supporting leg (2) is provided with a downward bent arc plate (21) which is provided with two positioning slots (22), the front end of the supporting leg (2) is unfolded and supported relative to the lower cover (1), and the front ends of the two connecting pieces (82) are respectively positioned and matched in the two positioning slots (22).

10. The base of claim 8, wherein the guide rail (81) is a section of square tube, the guide oblong holes (83) are respectively formed in two side surfaces of the square tube, each connecting piece (82) is also provided with a guide oblong hole (83), and the guide oblong holes (83) of the two connecting pieces (82) are respectively overlapped with the guide oblong holes (83) of the two side surfaces of the guide rail (81).