CN209617234U - A kind of seat can 360 ° of rotations folding of baby vehicle frames - Google Patents

Abstract

The utility model discloses a kind of seat can 360 ° rotation folding of baby vehicle frames, belong to infant articles, its structure includes front foot pipe, rear foot tube, transverse tube, side brace, lower handle pipe and upper handle pipe etc., mainly by being additionally arranged a set of seat tubes by being hingedly connected to one another on folding stand, telescoping tube, support tube, support rod and back link, and the linkage structure collectively formed in conjunction with sliding sleeve sliding, and folding stand is made upon deployment by this set linkage structure, seat tubes are just in horizontal positioned, flap(up) seat can be unfolded and make 360 ° of rotations in seat tubes, to meet the use needs just setting installation and being inversely installed simultaneously；When folding stand folds, and can 360 ° of flap(up) seat spin inversion be folded and is tightly attached in seat tubes, then seat tubes are folded and are close to telescoping tube, to complete the integrated folding operation of folding stand and flap(up) seat.Therefore, improved this folding of baby vehicle frame can bring great convenience to the use of consumer.

Description

A kind of seat can 360 ° of rotations folding of baby vehicle frames

Technical field

The utility model relates to a kind of folding of baby vehicle frame, and in particular to a kind of seat can 360 ° of rotations perambulators Folding stand.

Background technique

If the folding baby car owner for selling and using currently on the market is by folding stand and this two parts structure of flap(up) seat At and the installation of flap(up) seat and folding stand is broadly divided into two kinds of structures: can not be into one is flap(up) seat and folding stand The isolated Integral refractive stack structure of row, it and disclosed Chinese Patent Application No. are 201810279835.3, a kind of entitled " folding The structure of stacked carriage for children " is similar；Another kind is that flap(up) seat vehicle frame folded against is separated and can individually be folded respectively Reassembling type foldable structure.Wherein, vehicle frame and seat are carried out one expansion and one due to that can accomplish by Integral refractive stack structure Body folding, therefore it is better than the perambulator of reassembling type structure on the convenience used.But the baby of these Integral refractive stack structures Youngster's vehicle, matched flap(up) seat can only just be set and install and use, and also only just setting to be mounted on vehicle frame and just can be carried out one Fold, can not 360 ° be rotated into be inversely installed and use and carries out integrated folding, i.e. the baby in all Integral refractive stack structures at present In youngster's vehicle, it can not all accomplish to meet simultaneously the rotation of 360 ° of flap(up) seat and make just setting installation and carrying out conversion between being inversely installed With and integrated folding, this brings some inconvenience to the use of consumer.

Summary of the invention

The technical problem to be solved by the utility model is to overcome the deficiencies of existing technologies and providing one kind can make to roll over Folded seat, which rotates 360 ° with while meeting just setting, installs and uses and is inversely installed use, and will not influence integrated folding A kind of seat can 360 ° of rotations folding of baby vehicle frames

The technical issues of the utility model, is achieved through the following technical solutions:

A kind of seat can 360 ° of rotations folding of baby vehicle frames, including front foot pipe, rear foot tube, transverse tube, side brace, assistant Pipe and upper handle pipe；The transverse tube end is fixed by installation part and rear foot tube front end, under front foot pipe rear end and side brace End is also hingedly connected on the installation part simultaneously；The lower handle pipe lower end is articulated and connected with side brace upper end, upper hand handle Pipe lower retractable formula is inserted into lower handle pipe upper end；Front foot strut and rear heel brace are equipped between the front foot pipe and rear foot tube The front end of bar, the front foot strut is hinged in front foot pipe, and the rear end of front foot strut and the front end of rear foot strut are hinged, the rear foot The rear end of strut is hinged on rear foot tube, and the lower handle pipe lower end is articulated and connected with a back link upper end again, back link Lower end edge rear foot strut is slidably installed；The transverse tube determines sliding sleeve equipped with what is be fixedly mounted, upper and lower determining to be equipped in sliding sleeve The telescoping tube of activity inserting, the upper end of the telescoping tube are hinged on the front of a seat tubes, the rear portion of seat tubes and a support tube Upper end is hinged, and support rod, and support tube lower end and support rod rear end are equipped between the support tube lower end and telescoping tube lower end It is coaxially hinged on back link, telescoping tube lower end is hinged with support rod front end；

The seat tubes are equipped with the flap(up) seat of 360 ° of rotation installations.

When the folding stand is unfolded, in being horizontally arranged, flap(up) seat is unfolded simultaneously to make in seat tubes the seat tubes 360 ° of rotation installations；When the folding stand folds, 360 ° of flap(up) seat spin inversion and folding is tightly attached in seat tubes, And seat tubes fold and are close to telescoping tube.

When the folding stand folds, which is determining to make slide downward in sliding sleeve, the back link lower end edge rear foot Strut makees forward slip.

The seat tubes are opening U-tube facing forward, which is equipped with the seat plate being fixedly mounted, the folding Folded seat has seat plate, hinge joint is equipped between the seat plate and seat plate, and flap(up) seat surrounds the hinge joint in seat plate It is upper to make 360 ° of rotations.

It is set on the transverse tube and determines sliding sleeve there are two fixed installation, each determine to be equipped with upper and lower activity inserting in sliding sleeve Telescoping tube, the upper end of two telescoping tubes is respectively hinged on two U-shaped stabilizer blades of seat tubes；The support tube is equipped with two Root, the upper end of two support tubes are respectively hinged at the U-shaped two sides of seat tubes.

The back link lower end is equipped with the dynamic sliding sleeve of articulated connection, this moves sliding sleeve movable set on rear foot strut, and It reciprocatingly slides along rear foot strut.

The lower handle pipe lower end is equipped with fixing sleeve and holds connector, extends downwardly on lower connector equipped with disjunctor Extension plate, which is located at the inside of side brace；The back link upper end is hingedly connected on the extension plate.

The side brace upper end is equipped with the upper connector of fixed suit, mutually cuts with scissors between the upper connector and lower connector It connects to form cradle head；The lower handle pipe is equipped with the operational controls for controlling the cradle head unlock rotation.

The front foot strut and rear foot strut is equipped with two groups, and is separately positioned on the front foot pipe of folding stand two sides with after Between foot tube, it is equipped between two rear foot struts in two groups and reinforces cross bar.

The upper handle pipe is equipped with and locks or unlocks the upper handle pipe lower end and stretch in lower handle pipe upper end The control button of formula inserting.

Compared with prior art, the utility model is mainly a set of by being hingedly connected to one another by being additionally arranged on folding stand Seat tubes, telescoping tube, support tube, support rod and back link and slided in conjunction with sliding sleeve and the linkage structure that collectively forms, and Make folding stand upon deployment by this set linkage structure, seat tubes be just in it is horizontal positioned, flap(up) seat can be unfolded simultaneously Make 360 ° of rotations in seat tubes, to meet the use needs just setting installation and being inversely installed simultaneously；When folding stand folds When, and can 360 ° of flap(up) seat spin inversion be folded and is tightly attached in seat tubes, then seat tubes are folded and are close to telescoping tube, from And complete the integrated folding operation of folding stand and flap(up) seat.Therefore, improved this seat can 360 ° of babies rotated Youngster's vehicle folding stand can bring great convenience to the use of consumer.

Detailed description of the invention

Fig. 1 is the structural schematic diagram (just setting flap(up) seat) of the utility model.

Fig. 2 is the structural schematic diagram (flap(up) seat inversion) of the utility model.

Fig. 3 is that flap(up) seat folds the structural schematic diagram being tightly attached in seat tubes.

Fig. 4 is the structural schematic diagram that flap(up) seat is shed in Fig. 1.

Fig. 5 is that upper and lower handle pipe mutually shortens the structural schematic diagram folded.

Fig. 6 is that the folding stand in Fig. 5 starts the structural schematic diagram folded.

Fig. 7 is the completely folded structural schematic diagram of folding stand.

Fig. 8 is the structural schematic diagram of flap(up) seat and folding stand Integral refractive poststack.

Fig. 9 is the schematic perspective view that flap(up) seat is separated from folding stand.

Specific embodiment

It will elaborate again by above-mentioned attached drawing to the utility model embodiment below.

As shown in Fig. 1 ~ Fig. 9, behind 1. flap(up) seats, 11. seat plates, 2. folding stands, 21. front foot pipes, 211. front-wheels, 22. Foot tube, 221. rear-wheels, 23. side braces, 24. lower handle pipes, 241. operational controls, handle pipe, 251. control buttons, 26. on 25. Sliding sleeve, 28. transverse tubes, 29. reinforcement cross bars, 31. back links, 32. dynamic sliding sleeves, 41. front foots are determined in cradle head, 27. installation parts, 271. Strut, 42. rear foot struts, 51. support tubes, 52. support rods, 53. telescoping tubes, 54. seat tubes, 6. lower connectors, 61. extend Plate, 7. upper connectors, 8. seat plates.

A kind of seat can the folding of baby vehicle frames of 360 ° of rotations be related to a kind of for outside for baby as shown in Fig. 1 ~ Fig. 7 The pushchair frame taken out, structure is mainly by front foot pipe 21, rear foot tube 22, transverse tube 28, side brace 23, assistant Pipe 24 and upper handle pipe 25 etc. are constituted.

The front foot pipe 21 is the U-tube being open backwards, and the U-shaped front part sides of front foot pipe 21 are respectively equipped with front-wheel 211； The rear foot tube 22 is opening U-tube facing forward, and the U-shaped rear portion two sides of rear foot tube 22 are respectively equipped with rear-wheel 221；The cross Pipe 28 is a horizontal positioned straight tube, the both ends of transverse tube 28 be respectively equipped with fixed suit, with installation part 27 made of plastics； The side brace 23 is equipped with two, and is located at the two sides of folding stand 2.

Also, two U-shaped leg end portions of rear foot tube 22 are separately fixed on ipsilateral corresponding installation part 27, that is, 28 both ends of transverse tube pass through installation part 27 respectively and are fixed with ipsilateral 22 front end of rear foot tube, and form " mouth " font frame； And two U-shaped leg end portions of front foot pipe 21 are hingedly connected on ipsilateral corresponding installation part 27, two side braces 23 Lower end be also hingedly connected on ipsilateral corresponding installation part 27, that is to say, that ipsilateral 21 rear end of front foot pipe and side stay 23 lower end of bar is also hingedly connected on corresponding installation part 27 simultaneously, at this time can be as shown in figure 9, being located at 1 two sides of folding stand Installation part 27 on all have the connection structure of same design, symmetrical positional relationship is exactly on spatial position, then When folding stand 1 is in unfolded state, the front foot pipe 21, installation part 27,22 and of rear foot tube can be seen by 1 side of folding stand The shape of falling y is connected to form between side brace 23.

One group of front foot strut 41 and the rear foot are equipped between the front foot pipe 21 and rear foot tube 22 of 1 two sides of folding stand Strut 42, and two groups of front foot struts 41 are identical with the connection structure of rear foot strut 42, specifically: the front end of front foot strut 41 It is hinged in front foot pipe 21, the rear end of front foot strut 41 and the front end of rear foot strut 42 are hinged, the rear end of rear foot strut 42 It is hinged on rear foot tube 22, the reinforcement cross bar 29 being welded and fixed is additionally provided between two in two groups piece rear foot strut 42.

Two 23 upper ends of side brace are equipped with the upper connector 7 of fixed suit；The lower handle pipe 24 is also set There are two, and be located at the two sides of folding stand 1, is equipped with fixing sleeve two lower 24 lower ends of handle pipe and holds connector 6；Also, it is hinged to form cradle head 26 between ipsilateral upper connector 7 and lower connector 6, i.e. two cradle heads 26 Just positional symmetry is in the two sides of folding stand 1；Meanwhile the extension plate that disjunctor extends downwardly each is equipped on lower connector 6 61, which is located at the inside of side brace 23.

Operational controls 241 are equipped in the lower handle pipe 24 of described two, effect is: only synchronous using two operations Control 241 just can control the unlock rotation of cradle head 26, to improve the safety in utilization of unlock operation.

The upper handle pipe 25 is downward opening U-tube, and two U-shaped leg end portions of handle pipe 25 are stretched respectively on this Contracting formula is inserted into the upper end of two lower handle pipes 24, then control button 251 is equipped in upper handle pipe 25, for locking or solving Telescopic inserting of 25 lower end of handle pipe in lower 24 upper end of handle pipe is locked, so that the height of different height users be facilitated to use It adjusts.

In addition, lower 24 lower end of handle pipe is articulated and connected with 31 upper end of a back link, i.e., as shown in Figure 9 in folding stand again 1 two sides are respectively equipped with a back link 31, then the articulated structure of ipsilateral 24 lower end of lower handle pipe and 31 upper end of back link are as follows: after 31 upper end of connecting rod is hingedly connected on the extension plate 61 of lower connector 6, and 31 lower end of back link be equipped with articulated connection, with plastics Manufactured dynamic sliding sleeve 32, the dynamic sliding sleeve movable set can reciprocatingly slide on rear foot strut 42 along rear foot strut 42.

A set of seat tubes 54, telescoping tube 53, branch by being hingedly connected to one another also is additionally arranged on folding stand 1 as shown in Figure 9 The linkage structure that stay tube 51 and support rod 52 etc. collectively form.

Wherein, telescoping tube 53 is equipped with two, and every telescoping tube is actively plugged in one above and below and plastic determines sliding sleeve 271 Interior, on two two installation parts 27 determined sliding sleeve all and be on transverse tube 28 disjunctor molding structure, determines to make in sliding sleeve 271 at two The telescoping tube 53 of upper and lower activity inserting is exactly in positional relationship parallel to each other.

The seat tubes 54 are opening U-tube facing forward, and the upper end of two telescoping tubes 53 is respectively hinged at seat tubes 54 Two U-shaped stabilizer blades on, i.e., the upper end of two telescoping tubes 53 is respectively hinged at the front part sides of seat tubes 54；The support tube 51 also are provided with two, and the upper end of two support tubes 51 is respectively hinged at the U-shaped two sides of seat tubes 54, i.e. two support tubes 51 Upper end is respectively hinged at the rear portion two sides of seat tubes 54.

It is additionally provided with support rod 52 between ipsilateral 53 lower end of 51 lower end of support tube and telescoping tube, 51 lower end of support tube It is coaxially hinged on 52 rear end of support rod on ipsilateral back link 31,53 lower end of telescoping tube is hinged with 52 front end of support rod.

In addition, in seat tubes 54 be equipped be fixedly mounted seat plate 8, thereon for be arranged can 360 ° rotation install folding Folded seat 1, specific structure are as follows: flap(up) seat 1 has seat plate 11, and hinge joint, and hinge joint are equipped between the seat plate and seat plate 8 Position be conventionally positioned at the center of seat plate 11 and seat plate 8, therefore flap(up) seat 1 can be made on seat plate 8 around hinge joint 360 ° of rotations facilitate user to make flap(up) seat 1 at two kinds to meet the use needs just setting installation and being inversely installed simultaneously With the conversion on position.

When the folding stand of the utility model is in unfolded state as shown in Figure 1 and Figure 2, the rotation quilt of cradle head 26 Locking, seat tubes 54 are in horizontal positioned, therefore flap(up) seat 1 is unfolded and can make 360 ° of rotations installations on the seat plate 8 of seat tubes.

When folding stand 2 is folded, it is necessary to first by flap(up) seat 1 according to 360 ° of spin inversions shown in Fig. 2, then Flap(up) seat 1 fold and be tightly attached in seat tubes 54 as shown in Figure 3, it is then as shown in Figure 5 that upper and lower handle pipe is mutual Shortening folds, and is rotated by the unlock that two operational controls 241 in lower handle pipe 24 control cradle head 26, then forward Handle pipe 25 can drive assistant that pipe 25 is rotated around cradle head 26 in promotion, due to lower connector 6 and side brace 23, after Connecting rod 31, rear foot tube 22 have collectively constituted double leval jib, and dynamic sliding sleeve 32 can be rotated relative to 31 lower end of back link and edge Rear foot strut 42 reciprocatingly slides, therefore constitutes slider-crank mechanism with front foot pipe 21 and front foot strut 41, so entire folded bicycle Frame 2 successively can slowly be completed to fold folding according to Fig. 6, Fig. 7 illustrated acts.

When folding stand 2 folds, telescoping tube 53 is being determined to make slide downward in sliding sleeve 271, which is and rear foot tube 22 Keeping parallelism, and telescoping tube 53, seat tubes 54, support tube 51 and support rod 52 have also collectively constituted slider-crank mechanism, therefore In 2 folding of folding stand, seat tubes 54 can also be driven by 53 slide downward of telescoping tube as shown in Figure 6, in conjunction with back link 31 After lower end edge rear foot strut 42 makees forward slip, seat tubes 54 can drive folded flap(up) seat 1 to be close to telescoping tube 53, and Front foot pipe 21, rear foot tube 22, side brace 23, lower handle pipe 24 and upper handle pipe 25, which also mutually fold, closes up, until seat tubes 54 With rear foot tube 22 close to parallel, the integrated folding of flap(up) seat 1 and folding stand 2 is finally formd as shown in Figure 8, reduces packet It fills volume, save transportation cost.

The above is only specific embodiment of the utility model, it should be appreciated by those skilled in the art that any and reality The equivalent structure design of example is applied, should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of seat can 360 ° rotation folding of baby vehicle frames, including front foot pipe (21), rear foot tube (22), transverse tube (28), Side brace (23), lower handle pipe (24) and upper handle pipe (25)；Transverse tube (28) end passes through installation part (27) and the rear foot Pipe (22) front end is fixed, and front foot pipe (21) rear end and side brace (23) lower end are also hingedly connected on the installation part (27) simultaneously； Lower handle pipe (24) lower end is articulated and connected with side brace (23) upper end, and upper handle pipe (25) lower retractable formula is inserted into Lower handle pipe (24) upper end；Front foot strut (41) and rear foot strut are equipped between the front foot pipe (21) and rear foot tube (22) (42), the front end of the front foot strut (41) is hinged on front foot pipe (21), the rear end and rear foot strut (42) of front foot strut (41) Front end be hinged, the rear end of rear foot strut (42) is hinged on rear foot tube (22), it is characterised in that:

A, lower handle pipe (24) lower end is articulated and connected with a back link (31) upper end again, after back link (31) lower end edge Heel brace bar (42) is slidably installed；

B, the transverse tube (28) determines sliding sleeve (271) equipped with what is be fixedly mounted, is determining to be equipped with what upper and lower activity inserted in sliding sleeve Telescoping tube (53), the upper end of the telescoping tube are hinged on the front of a seat tubes (54), the rear portion of seat tubes (54) and a support tube (51) upper end is hinged, and is equipped with support rod (52) between support tube (51) lower end and telescoping tube (53) lower end, and supports Pipe (51) lower end and support rod (52) rear end are coaxially hinged on back link (31), before telescoping tube (53) lower end and support rod (52) End is hinged；

C, the seat tubes (54) are equipped with the flap(up) seat (1) of 360 ° of rotation installations.

2. a kind of seat according to claim 1 can 360 ° rotation folding of baby vehicle frames, it is characterised in that it is described When folding stand (2) is unfolded, the seat tubes (54) in being horizontally arranged, be unfolded simultaneously to make on seat tubes (54) by flap(up) seat (1) 360 ° of rotation installations；When the folding stand (2) folds, (1) 360 ° of flap(up) seat spin inversion and to fold abutting present On position pipe (54), and seat tubes (54) fold and are close to telescoping tube (53).

3. a kind of seat according to claim 1 can 360 ° rotation folding of baby vehicle frames, it is characterised in that it is described When folding stand (2) folds, which is determining to make slide downward in sliding sleeve (271), after back link (31) lower end edge Heel brace bar (42) makees forward slip.

4. a kind of seat according to claim 1 can 360 ° rotation folding of baby vehicle frames, it is characterised in that it is described Seat tubes (54) are opening U-tube facing forward, which is equipped with the seat plate (8) being fixedly mounted, the flap(up) seat (1) there are seat plate (11), hinge joint is equipped between the seat plate and seat plate (8), and flap(up) seat (1) exists around the hinge joint Make 360 ° of rotations on seat plate (8).

5. a kind of seat according to claim 4 can 360 ° rotation folding of baby vehicle frames, it is characterised in that it is described It is set on transverse tube (28) and determines sliding sleeve (271) there are two fixed installation, each determine to be equipped with stretching for upper and lower activity inserting in sliding sleeve It manages (53), the upper end of two telescoping tubes is respectively hinged on two U-shaped stabilizer blades of seat tubes (54)；The support tube (51) is set There are two, the upper end of two support tubes (51) is respectively hinged at the U-shaped two sides of seat tubes (54).

6. a kind of seat according to claim 1 can 360 ° rotation folding of baby vehicle frames, it is characterised in that it is described Back link (31) lower end is equipped with the dynamic sliding sleeve (32) of articulated connection, and the dynamic sliding sleeve movable set is on rear foot strut (42), and edge Rear foot strut (42) reciprocatingly slides.

7. a kind of seat according to claim 1 can 360 ° rotation folding of baby vehicle frames, it is characterised in that it is described Lower handle pipe (24) lower end is equipped with fixing sleeve and holds connector (6), and the extension that disjunctor extends downwardly is equipped on lower connector Plate (61), the extension plate are located at the inside of side brace (23)；Described back link (31) upper end is hingedly connected to the extension plate (61) on.

8. a kind of seat according to claim 7 can 360 ° rotation folding of baby vehicle frames, it is characterised in that it is described Side brace (23) upper end is equipped with the upper connector (7) of fixed suit, and be hinged shape between the upper connector and lower connector (6) At cradle head (26)；The lower handle pipe (24) is equipped with the operational controls for controlling cradle head (26) the unlock rotation (241).

9. a kind of seat according to claim 1 can 360 ° rotation folding of baby vehicle frames, it is characterised in that it is described Front foot strut (41) and rear foot strut (42) are equipped with two groups, and be separately positioned on the front foot pipe (21) of folding stand (2) two sides with Between rear foot tube (22), it is equipped between two rear foot struts (42) in two groups and reinforces cross bar (29).

10. a kind of seat according to claim 1 can 360 ° rotation folding of baby vehicle frames, it is characterised in that it is described Upper handle pipe (25) be equipped with lock or unlock upper handle pipe (25) lower end make in lower handle pipe (24) upper end it is telescopic The control button (251) of inserting.