CN1132543C

CN1132543C - Improved infanette base structure

Info

Publication number: CN1132543C
Application number: CN 00118773
Authority: CN
Inventors: 郑钦明
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-06-21
Filing date: 2000-06-21
Publication date: 2003-12-31
Anticipated expiration: 2020-06-21
Also published as: CN1328803A

Abstract

The present invention relates to a foldable base structure of a crib. The present invention comprises a lock center seat, four seat pipes and two auxiliary support bent pipes, wherein the base structure can be locked in a pushing position or a folding position; one end of each seat pipe is pivoted on the center seat; pivot ends of the auxiliary support bent pipes are respectively pivoted on the first seat pipe and the third seat pipe. When the base structure is unfolded to the pushing position, the seat pipes and the auxiliary support bent pipes can be unfolded to the same plane, and the bent foot ends of the auxiliary support bent pipes can be supported on the floor. When the base structure is folded to the folding position, the seat pipes and the auxiliary support bent pipes are mutually parallel.

Description

Improved infanette base structure

Technical field

The present invention relates to a kind of infanette that folds, more specifically to a kind of improved infanette base structure that folds.

Background technology

United States Patent (USP) the 5th, 819 has disclosed a kind of infanette structure that folds No. 342, and it has mainly comprised need not disassemble or make up any member and can fold or set up upper skeleton and the lower skeleton assembly of finishing easily.In this United States Patent (USP), its lower skeleton assembly comprises a snap close centre mount, four following angle connectors and four seat pipes.One end of each root seat pipe all is connected to this centre mount pivotly, and its other end then is connected to an angle connector.This centre mount comprises a pedestal, and it has seat pipe holding groove can be switched to the position that folds from the position that struts in order to the pipe of inviting guests to be seated.Fig. 2 by this United States Patent (USP) can be clear that this snap close centre mount is made up of a plurality of complex-shaped members, thereby makes its manufacturing cost higher relatively.In addition, the bottom of the infanette of this United States Patent (USP) is only provided support by four seat pipes, therefore can't provide sufficient effective Area of bearing.

An object of the present invention is to provide a kind of infanette base structure that folds, it has an improved snap close centre mount.

Another object of the present invention provides a kind of infanette base structure that folds, and it can provide bigger effective Area of bearing.

Summary of the invention

To achieve the above object, the invention provides a kind of understructure that is used in the folded infanette with an infanette cloth body, this understructure comprises:

One snap close centre mount, it operationally is locked in understructure one position that struts and a position that folds; This snap close centre mount comprises: a hollow circle tube pedestal; Four articulated sections are extended outward with non-radioactive shape and non-radially mode by the periphery on hollow base frame top; And a bolt lock mechanism, it is connected in order to operationally to cooperate with the articulated section the seat rod lock on the position that struts with this pedestal rotationally, and this bolt lock mechanism comprises: a biasing spring, it is fixed in this hollow base frame; One latch piece, it is set on this pedestal rotationally and is arranged to engage with this biasing spring and moving towards a locking bit offset by this spring; And a knob, link in order to latch piece is rotated towards a position of separating locking with latch piece, make the seat pipe be able to be switched to stowed position from strutting the position;

Four seat pipes, an end of each root seat pipe is articulated on this centre mount, makes a pipe can be switched to the longitudinal direction of centre mount; And

Two supplemental support bend pipes, each supplemental support bend pipe have a pivot end and a clubfoot end;

Wherein, this articulated section is the structure of one one-tenth ㄇ shape, and it is provided with latch locking groove and is provided with an opening at roof in appropriate position, bottom, two side; The bottom surface periphery of this latch piece is provided with two and becomes L shaped arms, and the horizontal part of these arms will be inserted the latch locking groove on the articulated section sidewall of correspondence when the locking bit offset is moving at latch piece, use the seat rod lock on the position that struts; In addition, the pivot end of one first supplemental support bend pipe is articulated on one first pipe, and the pivot end of one second supplemental support bend pipe is articulated on one the 3rd pipe, make each root auxiliary tube can pivot with the direction of seat pipe longitudinal direction almost parallel on.

In another embodiment of the present invention, two supplemental support bend pipes are linked on the infanette cloth body bottom surface by a ribbon respectively, make when come by the seat tube stay in infanette cloth body bottom surface, and the supplemental support bend pipe can be driven by ribbon and be switched to the Support Position.

Advantage of the present invention is, this infanette base structure that folds provides a snap close centre mount improved, simple in structure, can not fold easily or set up thereby need not disassemble or make up any member, and bigger effective Area of bearing can be provided.

Brief description of drawings

Fig. 1 is the stereogram of infanette base structure when strutting that fold of the present invention;

Fig. 2 is an exploded perspective view of snap close centre mount of the present invention;

Fig. 3 is the bottom view of another embodiment when strutting that folds infanette base structure of the present invention;

Fig. 4 A is the vertical view cut open of a part, and it shows that understructure concerns the position between snap close piece and articulated section when collapse state;

Fig. 4 B is the vertical view cut open of a part, and it shows that understructure concerns the position between snap close piece and articulated section when softened state; And

Fig. 5 is the stereogram of understructure of the present invention under collapse state.

The specific embodiment

Referring now to Fig. 1, the understructure that folds infanette of the present invention comprises 22, the second bars of 10, the first bars of a snap close centre mount, 24, the three bars, 26, all the people present's bars, 28, the first supplemental support unit 30 and the second supplemental support unit 40.

Fig. 2 shows the exploded perspective view of an embodiment of snap close centre mount 10 of the present invention.Snap close centre mount 10 comprises hollow base frame 110, one biasing springs, 120, one latch pieces 130 and a knob 140 of a general cylindrical shape.This hollow base frame 110 has four and roughly is ＂ㄇ " articulated

section

112a, 112b, 112c and 112d; they extend outward with non-radioactive shape and non-radially mode from the top periphery of hollow base frame, hold respectively in order to first end with

seat pipe

22,24,26 and 28 and receive within it.First end of

seat pipe

22,24,26 and 28 is connected with articulated

section

112a, 112b, 112c and 112d respectively pivotly by

bolt

116a, 116b, 116c and 116d.Upper wall in each articulated section offers an opening 114a, 114b, 114c and 114d respectively, avoids first end of a pipe during pivoting with present pipe, and each pipe can bolt be that axle pivots on vertical direction all by this.In addition, opening in bottom, the two side of articulated

section

112a and 112c is that

elongate slots

118a and 118c are arranged, the seat pipe when its position is lower than a pipe and is switched to horizontal level.

Biasing spring 120 is a coil type helical spring, and its location division 121 that forms by the both ends of the spring bending is inserted the hole on the hollow seat body wall and is fixed in the hollow base frame 110.

Latch piece 130 comprises a hollow cylinder 131, and its size just can be contained in the pedestal 110.Be provided with four perforation 131a in the bottom surface of cylinder 131, and be formed with oval-shaped flange 132, make latch piece can put on pedestal 110 at the top of cylinder periphery.Cylinder 131 sidewall bottoms offer a notch in order to engage with biasing spring 120, make latch piece 130 be moved partially by biasing spring institute and rotate towards a position latching.Flange 132 bottom surfaces are provided with two L shaped

door bolt spares

134 and 135, their correspondences are at articulated

section

112a and 112c, make and to be moved partially by biasing spring institute and when position latching rotates when latch piece 130, fasten the horizontal component 134a of

part

134 and 135 and side channel 118a and the 118c that 135a can pass articulated

section

112a and 112c with a bolt or latch, and

seat pipe

22 and 26 is locked on the position that struts.Flange 132 is provided with two conduits 136 and 137, passes for

bolt

138 and 139, uses that latches 130 is rotatably mounted on the pedestal 110.

Knob 140 comprises a knob head 141 and four knob pin 142 that extend downwards, and each knob sole end is provided with a barb.During installation knob pin 142 inserted four perforation 131a of latch piece cylinders 131 bottoms and prevent knob and latch piece disengaging, so can be latch piece 130 be rotated to from position latching and free the position by turning knob 140 by the barb of knob sole end.In a preferred embodiment, be provided with a spring 143 at

knob

140 and 131 of cylinders, to make things convenient for the operation of knob 140.

First end of

seat pipe

22,24,26 and 28 is to be articulated on the snap close centre mount 10 in aforesaid mode, and its second end is to articulate with heel piece 1a, the 1b of infanette, 1c and 1d respectively in a conventional manner as shown in Figure 1, its pivot joint mode can be with reference to aforesaid United States Patent (USP) the 5th, 819, No. 342, therefore will not give unnecessary details in this article.

First and second supplemental

support bend pipe

30 and 40 is identical structures, therefore will illustrate with the first supplemental support bend pipe 30 hereinafter.As shown in Figure 1, the first supplemental support bend pipe 30 is one roughly to become L shaped pipe fitting, and it has a pivot end 31 and a clubfoot end 32, and wherein pivot end is connected to seat pipe 22 pivotly via a connection piece 33.Connector 33 has a hollow tube body 34, make its can sheathed present pipe 22 on and by screw 51 on the fixing present pipe 22.Connector 33 has an arm 35 that roughly becomes the U-shaped cross section in addition, is laterally extended by the hollow tube body, receives the pivot end 31 of the first supplemental support bend pipe 30 to hold.The pivot end 31 of the first supplemental support bend pipe 30 articulates with the arm 35 of connector 33 by screw 52, make the supplemental support bend pipe 30 of winning can screw 52 for axle pivot with the direction of the parallel longitudinal of first pipe 22 on.The second supplemental support bend pipe 40 articulates by connector on the present pipe 26 in an identical manner.In another embodiment of the present invention as shown in Figure 3, the first supplemental support bend pipe 30 and the second supplemental support bend pipe 40 are attached on the bottom surface of infanette cloth body with a ribbon A and B respectively.

In use, as desire the understructure that launches is folded together, only need turning knob 140, make

door bolt part

134 and 135

horizontal part

134a and 135a by withdrawing among the side channel 118a of articulated

section

112a and 112c and the 118c, then snap close centre mount 10 is mentioned, then

seat pipe

22,24,26 and 28 promptly can pivot downwards because of the weight of itself and fold.First and second supplemental

support bend pipe

30,40 also can fold to roughly becoming parallel stowed position with

seat pipe

22,24,26 and 28, as shown in Figure 5 along vertical pivot of seat pipe because of the weight of self when

present pipe

22 and 26 pivoted downwards.When this stowed position, because of the

seat pipe

22 and 26 that hangs down has blocked

side channel

118a and 118c, even so latch piece 130 is subjected to the moving partially of biasing spring 120, the horizontal part 134a and the 135a that fasten

part

134 and 135 with a bolt or latch also can't be inserted among side channel 118a and the 118c, shown in Fig. 4 A.

In the time will once more understructure being launched to use, only need to pressing down snap close centre mount 10,

seat pipe

22,24,26 and 28 is upwards pivoted launch and the bottom surface of infanette cloth body is strutted, this moment first and second supplemental

support bend pipe

30,40 and be switched to the position of expansion by the priming of ribbon A on the infanette cloth body bottom surface and B.When

present pipe

22 and 26 is switched to horizontal level, the horizontal part 134a and the 135a that fasten

part

134 and 135 with a bolt or latch can be inserted among side channel 118a and the 118c because of the moving partially of biasing spring 120, prop up the bottom of

seat pipe

22,26, shown in Fig. 4 B, use that

seat pipe

22 and 26 is locked in strutting on the position of level.At this moment,

seat pipe

22,24,26 and 28 and the pipe fitting of supplemental

support bend pipe

30,40 at grade, as shown in Figure 1.

Though the present invention is illustrated hereinbefore according to preferred embodiment of the present invention, this does not represent that scope of the present invention only is confined to above-mentioned structure.Those skilled in the art can be developed the alternative structure that equivalence at an easy rate after reading above-mentioned explanation, and these equivalent alternative structure also are in the claimed scope of this case.

Claims

1. understructure that is used in the folded infanette with an infanette cloth body, this understructure comprises:

It is characterized in that this articulated section is the structure of one one-tenth ㄇ shape, it is provided with latch locking groove and is provided with an opening at roof in appropriate position, bottom, two side; The bottom surface periphery of this latch piece is provided with two and becomes L shaped arms, and the horizontal part of these arms will be inserted the latch locking groove on the articulated section sidewall of correspondence when the locking bit offset is moving at latch piece, use the seat rod lock on the position that struts; In addition, the pivot end of one first supplemental support bend pipe is articulated on one first pipe, and the pivot end of one second supplemental support bend pipe is articulated on one the 3rd pipe, make each root auxiliary tube can pivot with the direction of seat pipe longitudinal direction almost parallel on.

2. the infanette base structure that folds as claimed in claim 1 is characterized in that two supplemental support bend pipes are linked on the bottom surface of infanette cloth body by a ribbon respectively.