CN111252133A

CN111252133A - Reversible baby carriage seat frame structure

Info

Publication number: CN111252133A
Application number: CN202010209151.3A
Authority: CN
Inventors: 钟德良
Original assignee: Zhongshan Jinliang Children Product Co ltd
Current assignee: Zhongshan Jinliang Children Product Co ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-06-09

Abstract

The invention provides a reversible baby carriage frame structure without disassembly operation during folding, which comprises two rotating connecting seats and a seat frame detachably connected with the two rotating connecting seats, wherein the rotating connecting seats are provided with bayonet locks for locking the rotating connecting seats, two sides of the seat frame are provided with mounting seats detachably connected with the rotating connecting seats, a seat locking assembly is arranged between the mounting seats and the rotating connecting seats, a backrest rod is arranged between the two mounting seats in a spanning manner, a rotating seat capable of enabling the backrest rod to rotate relative to the mounting seats is arranged between the end part of the backrest rod and the mounting seats, a backrest locking assembly capable of locking the rotating seat is arranged between the rotating seat and the mounting seats, a backrest unlocking assembly for unlocking the backrest locking assembly is arranged on the backrest rod, the rotating seat is provided with an arc-shaped notch which is arranged along the rotating direction of the rotating seat and is used for avoiding the bayonet locks to slide in the arc-shaped notch when the rotating seat rotates, the end part of the arc-shaped notch is provided with a guide inclined plane which enables the bayonet lock to be ejected out to unlock the rotary connecting seat.

Description

Reversible baby carriage seat frame structure

[ technical field ] A method for producing a semiconductor device

The invention relates to the field of children's carriages, in particular to a reversible children's carriage frame structure.

[ background of the invention ]

When the seat of the baby carriage frame with the reversible seat in the traditional structure needs to be reversed, the seat is usually required to be detached from the frame firstly, then the seat is reversed, and then the reversed seat is installed on the frame, so that the seat is reversed. When the frame needs to be folded, the seat needs to be detached firstly, then the frame needs to be folded, the seat and the frame need to be stored separately during storage, the space is occupied, and the seat needs to be installed on the frame again when the frame is used next time, so that the frame is very inconvenient.

[ summary of the invention ]

The invention aims to solve the technical problem of providing a reversible baby carriage seat frame structure which does not need to be disassembled when a baby carriage is folded.

The purpose of the invention is realized as follows:

a reversible baby carriage seat frame structure comprises two rotary connecting seats and two seat frames, wherein the rotary connecting seats are rotatably arranged on the inner sides of joints of two baby carriages, the seat frames are connected with the rotary connecting seats in a detachable mode, clamping pins which can be clamped into clamping holes in the inner sides of the joints of the baby carriages to lock the rotary connecting seats are arranged on the rotary connecting seats, two back rest rods are arranged on the two sides of the seat frames in a detachable mode and detachably connected with the rotary connecting seats to enable the seat frames to be detached from the rotary connecting seats and reversed, seat locking assemblies used for locking the mounting seats are arranged between the mounting seats and the rotary connecting seats, a back rest rod spans between the mounting seats, a rotary seat which can enable the back rest rod to rotate relative to the mounting seats is arranged between the end portion of the back rest rod and the mounting seats, and a back rest locking assembly which can lock the rotary seat is arranged between the rotary seat and the mounting seats, the rotary seat is provided with an arc-shaped notch which is arranged along the rotation direction of the rotary seat and used for avoiding the bayonet lock, so that the bayonet lock can slide in the arc-shaped notch when the rotary seat rotates, and the end part of the arc-shaped notch is provided with a guide inclined plane which enables the bayonet lock to be ejected out to unlock the rotary connecting seat.

By adopting the structure, the seat frame can be reversed relative to the frame of the baby carriage by detachably connecting the mounting seats on the two sides of the seat frame with the rotating connecting seat. When normally expandes the use, will rotate the seat locking to lean against the locking subassembly to will rotate the seat and lean against the pole and be fixed with the mount pad, and the mount pad is fixed in through seat locking subassembly and rotates on the connecting seat, rotates the connecting seat and then blocks in the bassinet joint inboard card hole and lock through the bayonet lock, thereby makes the seat frame be fixed in the bassinet frame and uses steadily. When the baby carriage frame needs to be folded, firstly, the backrest locking assembly is unlocked through the backrest unlocking assembly, so that the rotating seat can rotate relative to the mounting seat and fold the backrest rod, in the rotating process of the rotating seat, the clamping pins can slide in the arc-shaped notches of the rotating seat, when the clamping pins slide to the guide inclined planes of the end parts along the arc-shaped notches, the rotating seat ejects the clamping pins to enable the clamping pins to be separated from the clamping holes and unlock the rotating connecting seat, so that the rotating connecting seat and the seat frame can integrally rotate relative to the baby carriage frame and fold, and finally, the whole baby carriage frame can be folded. The invention can be integrated with the frame of the baby carriage for folding the seat before and after changing the direction of the seat without disassembly, is very convenient, can also be integrated with the frame of the baby carriage for storage after folding, saves the storage space, does not need to be installed again when being used next time, and is very convenient.

As above a children's saddle frame structure that can commutate, the lower extreme that rotates the connecting seat is equipped with the lug, the bayonet lock includes can be in flexible activity in the lug is in order to run through rotate the connecting seat and the round pin axle of card downthehole with locate the round pin hub connection piece of round pin axle tip, the round pin hub connection piece can rotate the seat and rotate the time relative the arc notch slides and slide to when leading the inclined plane will the round pin axle is ejecting in order to break away from the card hole. When the baby carriage is normally used, the pin shaft of the bayonet lock is clamped into the clamping hole in the inner side of the baby carriage joint to lock the rotating connecting seat, the pin shaft connecting piece is located in the arc-shaped notch of the rotating seat, when the baby carriage needs to be folded, the back rest rod is firstly folded, the rotating seat rotates at the moment to enable the pin shaft connecting piece to slide in the arc-shaped notch of the rotating seat, and when the pin shaft connecting piece slides to the guide inclined plane of the end part along the arc-shaped notch, the rotating seat ejects the pin shaft connecting piece together with the pin shaft so as to enable the pin shaft to be separated from the clamping hole to unlock the rotating connecting seat, so that the rotating.

According to the reversible baby carriage seat frame structure, the clamping sleeve is arranged on the mounting seat, correspondingly, the clamping block connected with the clamping sleeve in a clamping mode is arranged on the rotating connecting seat, the seat frame can be detachably connected with the rotating connecting seat through the clamping connection of the clamping block and the clamping sleeve, and therefore the seat can be reversed.

The reversible baby carriage seat frame structure comprises bayonets arranged on the front side and the rear side of the clamping block, clamping columns arranged in the mounting seat and capable of elastically stretching relative to the clamping sleeves to be connected with the bayonets in a clamping mode, and unlocking pressing blocks protruding out of the mounting seat and used for enabling the clamping columns to be disengaged from the bayonets. When the seat frame is installed on the rotating connecting seat, the elastic clamping of the clamping column is connected to the clamping opening on the front side or the rear side of the clamping block, so that the seat frame is locked, when the seat frame is required to be detached, the unlocking pressing block is required to be pressed down to enable the clamping column to be disengaged from the clamping opening, and the seat frame is unlocked at the moment and can be detached from the rotating connecting seat.

As above a children's saddle frame structure that can commutate, the locking subassembly that leans back is including locating the inboard tooth groove of mount pad is located with movably the mount pad with the movable block between the rotating seat, the upper and lower both ends of movable block be equipped with respectively with the spacing projection that the tooth groove joint of both sides is connected about the mount pad, the locking subassembly that leans back still is including locating just be used for the roof pressure in the pole leans back the movable block so that spacing projection card is gone into the elasticity roof pressure spare in the tooth groove. When the rotary seat is normally unfolded for use, the limiting convex column is clamped into the tooth-shaped groove under the jacking action of the elastic jacking piece, so that the rotary seat is fixed on the mounting seat.

In the reversible child car seat frame structure, the inner side of the mounting seat is provided with the arc-shaped guide groove communicated with the tooth-shaped groove so that the limiting convex column can slide in the arc-shaped guide groove to adjust the position of the limiting convex column relative to the tooth-shaped groove. When spacing projection breaks away from the flute profile groove, back to the pole and rotate the relative mount pad of seat and rotate, spacing projection slides in the arc guide way simultaneously to make spacing projection slidable to the angle of other positions departments in the flute profile groove in order to adjust back to the pole, also can make spacing projection slide in the arc guide way simultaneously and receive in order to receive the back to the pole.

According to the reversible baby carriage frame structure, the backrest unlocking assembly comprises the unlocking block arranged on the backrest rod and the pull rope arranged in the backrest rod and used for pulling the movable block to enable the limiting convex column to be separated from the tooth-shaped groove, and two ends of the pull rope are respectively connected with the unlocking block and the movable block. The unlocking block is pulled off, so that the pull rope pulls the movable block to overcome the elasticity of the elastic jacking piece and enable the limiting convex column to be separated from the tooth-shaped groove, and the angle of the backrest rod can be adjusted or folded.

[ description of the drawings ]

The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings, in which:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection structure of the rotary connecting seat and the joint of the baby carrier according to the present invention;

FIG. 3 is a schematic view of the seat frame according to the present invention;

FIG. 4 is a schematic view of the rotary connecting base according to the present invention;

FIG. 5 is a schematic view of a portion of the seat lock assembly of the present invention;

FIG. 6 is a schematic view of the inner structure of the mounting base according to the present invention;

FIG. 7 is a schematic structural view of the backrest locking assembly of the present invention;

FIG. 8 is a reference view showing a usage state of the reclining lever according to the present invention when it is folded;

FIG. 9 is a reference diagram of the frame of the baby carriage suitable for the present invention in the use state after the whole carriage is taken out;

FIG. 10 is a reference view showing a usage state of the backrest rod when the backrest rod is folded after the direction change of the present invention;

fig. 11 is a reference diagram of the using state of the frame of the baby carriage after the reversing is completed.

[ detailed description ] embodiments

A reversible baby carriage seat frame structure comprises two rotary connecting seats 1 which are rotatably arranged on the inner sides of two baby carriage joints 10 and a seat frame 2 which is detachably connected with the two rotary connecting seats 1, wherein the rotary connecting seats 1 are provided with clamping pins 11 which can be clamped into clamping holes 101 on the inner sides of the baby carriage joints 10 to lock the rotary connecting seats 1, two sides of the seat frame 2 are provided with mounting seats 21 which are detachably connected with the rotary connecting seats 1 to enable the seat frame 2 to be detached from the rotary connecting seats 1 and to be reversed, a seat locking assembly 3 for locking the mounting seats 21 is arranged between the mounting seats 21 and the rotary connecting seats 1, a backrest rod 4 is arranged between the two mounting seats 21 in a spanning mode, a rotary seat 5 which can enable the backrest rod 4 to rotate relative to the mounting seats 21 is arranged between the end part of the backrest rod 4 and the mounting seats 21, and a backrest locking assembly 6 which can lock the rotary seat 5 is arranged between the rotary seat 5 and the mounting seats 21, the backrest rod 4 is provided with a backrest unlocking assembly 7 for unlocking the backrest locking assembly 6, the rotating seat 5 is provided with an arc-shaped notch 51 which is arranged along the rotating direction of the rotating seat and used for avoiding the bayonet lock 11, so that the bayonet lock 11 can slide in the arc-shaped notch 51 when the rotating seat 5 rotates, and the end part of the arc-shaped notch 51 is provided with a guide inclined surface 52 which enables the bayonet lock 11 to be ejected out to unlock the rotating connecting seat 1.

The lower end of the rotary connecting seat 1 is provided with a convex block 12, the bayonet 11 comprises a pin shaft 111 which can extend and move in the convex block 12 to penetrate through the rotary connecting seat 1 and be clamped in the clamping hole 101 and a pin shaft connecting piece 112 arranged at the end part of the pin shaft 111, and the pin shaft connecting piece 112 can slide relative to the arc-shaped notch 51 when the rotary seat 5 rotates and push out the pin shaft 111 to be separated from the clamping hole 101 when sliding to the guide inclined plane 52. When the folding baby carriage is normally used, the pin shaft 111 of the bayonet 11 is clamped into the clamping hole 101 on the inner side of the baby carriage joint to lock the rotating connecting seat 1, the pin shaft connecting piece 112 is positioned in the arc-shaped notch 51 of the rotating seat 5, when the folding baby carriage needs to be folded, the back rest rod 4 is firstly folded, the rotating seat 5 rotates to enable the pin shaft connecting piece 112 to slide in the arc-shaped notch 51 of the rotating seat 5, when the pin shaft connecting piece 112 slides to the guide inclined plane 52 at the end part along the arc-shaped notch 51, the rotating seat 5 ejects the pin shaft connecting piece 112 and the pin shaft 111 together so that the pin shaft 111 is separated from the clamping hole 101 to unlock the rotating connecting seat 1, and therefore the rotating connecting seat 1 and the seat frame 2. To prevent the pin 111 from falling off the bump 12, a limiting boss (not shown) may be provided in the bump 12.

Be equipped with cutting ferrule 211 on mount pad 21, correspondingly, be equipped with the joint piece 13 of being connected with cutting ferrule 211 joint on the rotation connecting seat 1, be connected through the joint of joint piece 13 and cutting ferrule 211 and can realize seat frame 2 and rotate the dismantlement between the connecting seat 1 and be connected to realize the switching-over of seat.

The seat locking assembly 3 includes bayonets 31 disposed on front and rear sides of the bayonet block 13, a bayonet post 32 disposed in the mounting base 21 and elastically stretchable with respect to the ferrule 211 to be snap-coupled to the bayonet 31, and an unlocking pressing block 33 protruded from the mounting base 21 and used for releasing the bayonet post 32 from the bayonet 31. A pressing spring for pressing the clamping column 32 to enable the clamping column to be elastically clamped into the bayonet 31 is further arranged in the mounting seat 21, when the seat frame 2 is mounted on the rotary connecting seat 1, under the pressing action of the pressing spring, the clamping column 32 is elastically clamped on the bayonet 31 on the front side or the rear side of the clamping block 13 (when the seat frame 2 is not reversed, as shown in fig. 1 or 8, the seat frame 2 faces forwards, the clamping column 21 is clamped on the bayonet 31 on the front side of the clamping block 13, when the seat frame 2 is reversed, as shown in fig. 10, the seat frame 2 faces backwards, the clamping column 21 is clamped on the bayonet 31 on the rear side of the clamping block 13), so that the seat frame 2 is locked, when the seat frame 2 needs to be detached, the unlocking block 33 needs to be pressed to enable the clamping column 32 to be disengaged from the bayonet 31, and the seat frame 2 is unlocked and can be detached from the rotary connecting seat 1.

The backrest locking assembly 6 comprises a tooth-shaped groove 61 arranged on the inner side of the mounting seat 21 and a movable block 62 movably arranged between the mounting seat 21 and the rotating seat 5, the upper end and the lower end of the movable block 62 are provided with a limiting convex column (not shown in the figure) which is respectively connected with the tooth-shaped groove 61 on the upper side and the lower side of the mounting seat 21 in a clamping manner, and the backrest locking assembly 6 further comprises an elastic jacking part which is arranged in the backrest rod 4 and used for jacking the movable block 62 so that the limiting convex column is clamped into the tooth-shaped groove 61. When the folding seat is normally unfolded for use, the limiting convex columns are clamped into the tooth-shaped grooves 61 under the jacking action of the elastic jacking piece, so that the rotating seat 5 is fixed on the mounting seat 21. The elastic pressing piece is preferably a spring.

The inner side of the mounting seat 21 is provided with an arc-shaped guide groove 64 communicated with the toothed groove 61 for the limiting convex column to slide in so as to adjust the position of the limiting convex column relative to the toothed groove 61. When spacing projection breaks away from tooth-shaped groove 61, lean against pole 4 and rotate the mount pad 21 rotation relatively of seat 5, spacing projection slides in arc guide way 64 simultaneously to make spacing projection slidable other positions department of tooth-shaped groove 61 with the angle of adjusting back to pole 4, also can make spacing projection slide in arc guide way 64 simultaneously and receive to lean against pole 4.

The backrest unlocking assembly 7 comprises an unlocking block 71 arranged on the backrest rod 4 and a pull rope (not shown in the figure) arranged in the backrest rod 4 and used for pulling the movable block 62 to enable the limiting convex column to be separated from the tooth-shaped groove 61, and two ends of the pull rope are respectively connected with the unlocking block 71 and the movable block 62. The unlocking block 71 is pulled off, so that the pull rope pulls the movable block 62 to overcome the elastic force of the elastic pressing member and separate the limiting convex column from the tooth-shaped groove 62, and the angle of the backrest rod 4 can be adjusted or folded.

When the seat frame is normally unfolded for use, the backrest locking assembly 6 locks the rotating seat 5, so that the rotating seat 5 and the backrest rod 4 are fixed with the mounting seat 21, the mounting seat 21 is fixed on the rotating connecting seat 1 through the seat locking assembly 3, the rotating connecting seat 1 is clamped into the clamping hole 101 on the inner side of the baby carriage joint through the clamping pin 11 for locking, and the seat frame 2 is stably fixed on the baby carriage frame for use. In the use, if the angle of backing rod 4 needs to be adjusted, then can break off the unblock piece 71 with the fingers and thumb and make stay cord pulling movable block 62 break away from the tooth-shaped groove 62 in order to overcome the elasticity of elasticity ejecting pressure piece, can rotate backing rod 4 this moment in order to adjust to suitable angle, the relative mount pad 21 of seat 5 rotates in the accommodation process for spacing boss slides in arc guide way 64, thereby make spacing boss slide to the tooth-shaped groove 61 of relevant position, thereby accomplish the angular adjustment of backing rod 4. When the seat needs to be reversed, the unlocking pressing block 33 needs to be pressed down to enable the clamping column 32 to be disengaged from the bayonet 31, the seat frame 2 is unlocked and can be detached from the rotating connecting seat 1 for reversing, after the reversing is finished, under the jacking action of the jacking spring, the clamping column 32 is elastically clamped on the bayonet 31 on the rear side of the clamping block 13 (when the seat frame 2 is not reversed, the seat frame 2 faces forwards, and the clamping column 21 is clamped on the bayonet 31 on the front side of the clamping block 13), so that the seat frame 2 is locked again.

When the frame of the baby carriage needs to be retracted, the operation of the frame of the baby carriage is basically the same whether the seat is reversed or not. Firstly, the unlocking block 71 is broken off to make the pull rope pull the movable block 62 and make the limit convex column separate from the tooth-shaped groove 62, at this time, the backrest rod 4 can be rotated to fold the backrest rod, in the process of folding the backrest rod 4, the rotating base 5 rotates relative to the mounting base 21, so that the limit convex column slides in the arc-shaped guide groove 64, and at the same time, the pin connecting piece 112 slides in the arc-shaped notch 51 of the rotating base 5, when the pin connecting piece 112 slides to the guide inclined plane 52 of the end part along the arc-shaped notch 51, the rotating base 5 pushes out the pin connecting piece 112 together with the pin 111 to make the pin 111 separate from the clamping hole 101 to unlock the rotating connecting base 1, so that the rotating connecting base 1 and the seat frame 2 can rotate and fold relative to the baby carriage frame (when the seat is not reversed, as shown in figure 8, the folding connecting base 1 and the seat frame 2 are folded together towards the front foot rod 20 of the, as shown in fig. 10, when the stroller is folded, the connecting seat 1 and the seat frame 2 are folded toward the rear foot bar 30 of the stroller frame, and finally the hand push rod 40, the rear foot bar 30 and the front foot bar 20 of the stroller frame are folded together, so as to complete the folding of the entire stroller (as shown in fig. 9 or fig. 11). Therefore, the invention can be integrally folded with the frame of the baby carrier without disassembly operation after the seat is changed forwards or backwards, is very convenient, and can integrally store the seat and the frame of the baby carrier after being folded, thereby saving the storage space.

Claims

1. The utility model provides a children's saddle frame structure that can commutate, its characterized in that includes two rotationally locate two bassinet joints (10) inboard rotate connecting seat (1) and with two rotate connecting seat (1) can dismantle seat frame (2) of connection, it can block in bassinet joint (10) inboard card hole (101) in order to with to rotate bayonet lock (11) of connecting seat (1) locking to be equipped with on rotating connecting seat (1), the both sides of seat frame (2) be equipped with rotate connecting seat (1) can dismantle the connection so that seat frame (2) can follow rotate connecting seat (1) and pull down and installation seat (21) of switching-over, installation seat (21) with be equipped with between rotating connecting seat (1) and be used for with seat locking subassembly (3) of installation seat (21) locking, two stride between installation seat (21) and be equipped with back of leaning on pole (4), the utility model discloses a bayonet lock, including base (5), rotation seat (5) and arc recess (51), the tip of backing to pole (4) with be equipped with between mount pad (21) and make backing to pole (4) is relative mount pad (21) pivoted rotate seat (5), rotate seat (5) with be equipped with between mount pad (21) and can be with the back locking Assembly (6) that rotate seat (5) locking, be equipped with on backing to pole (4) with back unlocking Assembly (7) of back locking Assembly (6) unblock, it sets up in order to be used for dodging to rotate to be equipped with along its direction of rotation on seat (5) arc recess (51) of bayonet lock (11) so that work as when rotation seat (5) rotate bayonet lock (11) can slide in arc recess (51), the tip of arc recess (51) is equipped with and makes bayonet lock (11) are ejecting with the unblock rotate direction inclined plane (52) of connecting seat (1).

2. A reversible stroller frame structure according to claim 1, wherein the lower end of the rotating connecting base (1) is provided with a protrusion (12), the latch (11) comprises a pin (111) which can be extended and retracted in the protrusion (12) to penetrate the rotating connecting base (1) and be latched into the latching hole (101) and a pin connecting piece (112) which is arranged at the end of the pin (111), the pin connecting piece (112) can slide relative to the arc-shaped recess (51) when the rotating base (5) rotates and eject the pin (111) to be disengaged from the latching hole (101) when sliding to the guiding inclined plane (52).

3. A reversible stroller frame structure according to claim 1 or 2, wherein the mounting seat (21) is provided with a clamping sleeve (211), and correspondingly, the rotary connecting seat (1) is provided with a clamping block (13) connected with the clamping sleeve (211) in a clamping manner.

4. A reversible stroller frame structure according to claim 3, wherein said seat locking assembly (3) comprises bayonets (31) disposed on the front and rear sides of said snap block (13), snap posts (32) disposed in said mounting seat (21) and elastically stretchable relative to said snap sleeve (211) to be snap-coupled to said bayonets (31), and unlocking pressing blocks (33) protruded from said mounting seat (21) for releasing said snap posts (32) from said bayonets (31).

5. The vehicle seat frame structure for children, as claimed in claim 1 or 2, characterized in that said backrest locking assembly (6) comprises a tooth-shaped groove (61) disposed inside said mounting seat (21) and a movable block (62) movably disposed between said mounting seat (21) and said rotating seat (5), said movable block (62) is provided at its upper and lower ends with a limit protrusion connected to said tooth-shaped groove (61) at the upper and lower sides of said mounting seat (21), said backrest locking assembly (6) further comprises an elastic pressing member disposed in said backrest rod (4) and used for pressing said movable block (62) so that said limit protrusion is clamped into said tooth-shaped groove (61).

6. A reversible stroller frame structure according to claim 5, wherein said mounting seat (21) is provided at its inner side with an arc-shaped guide groove (64) communicating with said toothed groove (61) for sliding said position-restricting projection therein to adjust the position of said position-restricting projection relative to said toothed groove (61).

7. A reversible stroller frame structure according to claim 5, characterized in that said backrest unlocking assembly (7) comprises an unlocking block (71) disposed on said backrest rod (4) and a pulling rope disposed in said backrest rod (4) for pulling said movable block (62) to disengage said limiting protrusion from said tooth-shaped groove (61), and both ends of said pulling rope are connected to said unlocking block (71) and said movable block (62), respectively.