Stroller seat assembly

Abstract

The utility model discloses a child stroller seat assembly which comprises a seat connecting seat (1) capable of being detachably connected with a seat connecting part (200) on a child stroller frame (100), a seat part (2) capable of rotating relative to the seat connecting seat (1) to be folded towards the child stroller frame (100) is connected to the seat connecting seat (1), and a first clamping and locking assembly (3) is arranged between the seat part (2) and the seat connecting seat (1). An unlocking trigger block (4) capable of triggering unlocking of the stroller frame (100) is slidably arranged in the seat connecting seat (1), a protruding shaft (5) capable of rotating along with the seat part (2) and penetrating into the seat connecting seat (1) is arranged on the seat part (2), and a pushing face (51) capable of pushing the unlocking trigger block (4) to move when the seat part (2) rotates is arranged on the protruding shaft (5). When the seat part rotates to be folded and drawn close to the stroller frame, the stroller frame can be driven to be unlocked, so that the folding operation of the stroller is simple, convenient and rapid.

Description

TECHNICAL FIELD

[0001] The utility model relates to a child stroller seat assembly.

BACKGROUND

[0002] The child stroller is a common product in the growth process of children, which can generally be unfolded or folded, and is used for children to ride in the unfolded state, and is convenient to carry or store in the folded state.

[0003] The current child stroller generally comprises a foldable child stroller frame and a foldable seat assembly detachably connected to the child stroller frame. When the child stroller needs to be folded, the seat assembly is first folded, the seat assembly is rotated to fold and close to the child stroller frame, and then the locking device on the child stroller frame is operated to unlock the child stroller frame, so that the folding operation of the child stroller is relatively troublesome.

[0004] Therefore, the utility model is just based on the above deficiencies.

UTILITARY MODEL CONTENT

[0005] The utility model aims at overcoming the defects of the prior art, and provides a child stroller seat assembly. The seat part of the child stroller seat assembly can drive the child stroller frame to be unlocked when being rotated to fold and close to the child stroller frame, so that the user does not need to separately operate the locking device of the child stroller frame to be unlocked, linkage can be realized, and the folding operation of the child stroller is simple and fast.

[0006] The utility model is realized through the following technical schemes:

[0007] A child stroller seat assembly comprises a seat connecting seat capable of being detachably connected with a seat connecting part on a child stroller frame, a seat part capable of being rotated relative to the seat connecting seat and folded to the child stroller frame is connected to the seat connecting seat, a first clamping lock assembly is arranged between the seat part and the seat connecting seat, an unlocking trigger block capable of triggering the child stroller frame to be unlocked is slidably arranged in the seat connecting seat, a protruding shaft capable of rotating with the seat part and penetrating into the seat connecting seat is arranged on the seat part, and a pushing surface capable of pushing the unlocking trigger block to move when the seat part rotates is arranged on the protruding shaft.

[0008] A backrest part capable of rotating relative to the seat part is further arranged on the rear side of the seat part, a second clamping lock assembly is arranged between the backrest part and the seat part, and a driving part capable of driving the first clamping lock assembly to be unlocked when the backrest part is rotated to fold relative to the seat part is arranged on the backrest part.

[0009] The first clamping assembly comprises a first clamping groove arranged on the seat part in the circumferential direction, a second clamping groove arranged on the seat connecting base in the circumferential direction, a clamping piece arranged between the seat part and the seat connecting base and capable of being clamped with the first and second clamping grooves, a first inclined surface arranged on the clamping piece in the circumferential direction, a backrest part arranged between the seat part and the seat connecting base, and a protrusion arranged on the lower end of the backrest part and capable of pushing the first inclined surface to make the clamping piece disengage from the second clamping groove when the backrest part is rotated and folded.

[0010] The backrest part comprises a U-shaped backrest rod, an open end of the backrest rod is rotatably connected with the seat part, a rear side frame protruding rearward is arranged on the backrest rod, the rear side frame and the backrest rod enclose a recessed space, a support plate capable of sliding up and down relative to the rear side frame is arranged on the rear side frame, a mounting hole for passing a safety belt is arranged on the support plate, and a positioning structure capable of positioning the position of the support plate is arranged between the support plate and the rear side frame.

[0011] The positioning structure comprises an extension groove extending up and down on the rear side frame, a plurality of positioning grooves spaced from each other are arranged on the two side walls of the extension groove, a protruding seat inserted into the extension groove and capable of sliding up and down in the extension groove is arranged on the support plate, and a protrusion capable of cooperating with the positioning grooves to position is arranged on the protruding seat.

[0012] The rear side frame comprises an extension frame extending up and down, left and right side frames extending to two sides are arranged on the lower end of the extension frame, the left and right side frames are connected with the lower side of the backrest rod, and the upper end of the extension frame is connected with the upper end of the backrest rod.

[0013] The backrest rod is provided with a T-shaped insertion seat, the left and right side frames are provided with insertion grooves capable of being inserted into the insertion seat, the upper end of the extension frame is provided with a bending part, and the lower side of the bending part is attached to the upper end surface of the backrest rod when the left and right side frames are inserted into the insertion seat.

[0014] The seat connecting base is inserted into the seat connecting part, the seat connecting base is further provided with a clamping block capable of moving horizontally and being clamped with a clamping hole on the seat connecting part when the seat connecting base is inserted into the seat connecting part, the seat connecting base is further provided with a button exposed outside and capable of pushing the clamping block to disengage from the clamping hole when pressed, and a third reset spring is arranged between the seat connecting base and the clamping block and capable of pushing the clamping block to slide back to the original position.

[0015] The second locking assembly comprises a locking groove arranged on the seat part, the backrest part is internally arranged with a locking shaft capable of sliding in the backrest part and capable of locking or being separated from the locking groove, the backrest part is arranged with a switch, the switch and the locking shaft are arranged with a pull rope capable of pulling the locking shaft to be separated from the locking groove, and the backrest part is further arranged with a fourth reset spring capable of pushing the locking shaft to slide and reset.

[0016] The backrest part and the seat connecting base are further arranged with a front handrail, the front handrail is arranged with a plurality of third locking grooves in the circumferential direction, the locking piece is arranged with a locking tooth capable of locking or being separated from the third locking grooves, and when the locking piece is separated from the second locking groove, the locking tooth is separated from the third locking grooves.

[0017] Compared with the prior art, the utility model has the following advantages:

[0018] 1、The utility model discloses a child stroller seat assembly, which is detachably connected to the child stroller frame through the seat connecting base, when the child stroller needs to be folded, the first locking assembly is unlocked first, so that the seat part can rotate relative to the seat connecting base, at this time, the seat part is folded towards the child stroller frame, and in this process, the pushing surface on the protruding shaft rotating with the seat part pushes the unlocking trigger block to move, and the unlocking trigger block can slide to trigger the unlocking of the locking device of the child stroller frame, so that when the child stroller is folded, the child stroller frame can be unlocked only by rotating and folding the seat part, and the locking device of the child stroller frame does not need to be operated separately, so that the folding operation of the child stroller is simple and fast.

[0019] 2、The support plate on the backrest part can be adjusted up and down, so that the height of the safety belt can be adjusted, children of different heights can wear the safety belt, and the wearing is comfortable.

[0020] 3、The utility model discloses a simple structure, which can make the child stroller equipped with the child stroller seat assembly of the utility model convenient to fold, and is suitable for popularization and application.

DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a perspective view of the utility model;

[0022] Figure 2 It is a side view of the utility model;

[0023] Figure 3 It is one of the exploded views of the parts of the utility model;

[0024] Figure 4 It is the second exploded view of the parts of the utility model;

[0025] Figure 5 It is the third exploded view of the parts of the utility model;

[0026] Figure 6 is a perspective view of the locking piece of the utility model;

[0027] Figure 7 is a partial perspective view of the backrest rod of the utility model;

[0028] Figure 8 is a partial perspective view of the seat part of the utility model;

[0029] Figure 9 is a partial perspective view of the rear frame of the utility model;

[0030] Figure 10 is the fourth exploded view of the parts of the utility model;

[0031] Figure 11 is a partial perspective view of the support part of the utility model;

[0032] Figure 12 is the fifth exploded view of the parts of the utility model;

[0033] Figure 13 is a perspective view of the utility model assembled on the child stroller frame;

[0034] Figure 14 is a schematic view of the child stroller frame;

[0035] Figure 15 is Figure 14 the enlarged view of A in the middle;

[0036] Figure 16 is a schematic view of the utility model assembled on the child stroller frame and in the folding process.

CONCRETE IMPLEMENTATION

[0037] The utility model will be further described below in combination with the drawings:

[0038] As Figure 1 , Figure 2 , Figure 3 , Figure 8 and Figures 13 to 16As shown in the figure, a child stroller seat assembly comprises a seat connecting base 1 detachably connected with a seat connecting part 200 on a child stroller frame 100, a seat part 2 rotatably connected with the seat connecting base 1 and capable of folding towards the child stroller frame 100, a first locking assembly 3 arranged between the seat part 2 and the seat connecting base 1, an unlocking trigger block 4 slidably arranged in the seat connecting base 1 and capable of triggering unlocking of the child stroller frame 100, a protruding shaft 5 arranged on the seat part 2 and capable of rotating with the seat part 2 and penetrating into the seat connecting base 1, and a pushing surface 51 arranged on the protruding shaft 5 and capable of pushing the unlocking trigger block 4 to move when the seat part 2 rotates. The child stroller seat assembly is detachably connected with the child stroller frame 100 through the seat connecting base 1. When the child stroller needs to be folded, the first locking assembly 3 is unlocked first, so that the seat part 2 can rotate relative to the seat connecting base 1. In this process, the pushing surface 51 on the protruding shaft 5, which rotates with the seat part 2, pushes the unlocking trigger block 4 to move. The unlocking trigger block 4 can slide to trigger unlocking of the locking device of the child stroller frame 100, so that the child stroller frame 100 can be unlocked only by operating the first locking assembly 3 to unlock and rotate the seat part 2 to fold, without the need to separately operate the child stroller frame 100 to unlock. The child stroller folding operation is simple and fast.

[0039] As shown in the figure, Figure 1 , Figure 2 and Figure 5 , the seat part 2 is further provided with a rotatable leg support frame 21 on the front side. The leg support frame 21 can support the legs of a child, so that the child can ride comfortably. The seat part 2 is further provided with a backrest part 6 rotatable relative to the seat part 2 on the rear side. The backrest part 6 can support the back of a child, so that the child can ride comfortably. The backrest part 6 is provided with a second locking assembly 7 between the seat part 2 and the backrest part 6. The backrest part 6 is provided with a driving part 8 capable of driving the first locking assembly 3 to unlock when the backrest part 6 rotates relative to the seat part 2 to fold. When the backrest part 6 rotates to fold, the first locking assembly 3 can be unlocked in linkage, that is, when the child stroller needs to be folded, the second locking assembly 7 is only needed to be unlocked and the backrest part 6 is only needed to be rotated to fold, so that the first locking assembly 3 can be driven to unlock. In turn, the child stroller frame 100 can be triggered to unlock when the seat part 2 rotates to fold. The child stroller folding operation is convenient and fast.

[0040] As shown in the figure, Figures 3 to 6As shown, the first locking assembly 3 comprises a first locking groove 31 provided on the seat part 2 in the circumferential direction, a second locking groove 32 provided on the seat connecting base 1 in the circumferential direction, a locking piece 33 provided between the seat part 2 and the seat connecting base 1 and capable of moving transversely and engaging the first and second locking grooves 31 and 32 simultaneously, a first inclined surface 34 provided on the locking piece 33 in the circumferential direction, a backrest part 6 provided between the seat part 2 and the seat connecting base 1, a driving part 8 in the form of a protrusion provided at the lower end of the backrest part 6 and capable of pushing the first inclined surface 34 when the backrest part 6 is folded to make the locking piece 33 disengage from the second locking groove 32, and a second reset spring 35 provided between the seat part 2 and the locking piece 33 and capable of pushing the locking piece 33 to move and reset.

[0041] As shown in Figure 1 and Figure 2 As shown, the backrest part 6 comprises a U-shaped backrest rod 61, a roof support frame 69 rotatably provided on the backrest rod 61, and a roof mounted on the roof support frame 69 for shielding or wind blocking. The open end of the backrest rod 61 is rotatably connected to the seat part 2, a rear side frame 62 protruding rearward is provided on the backrest rod 61, the rear side frame 62 and the backrest rod 61 enclose a recessed space 63, so that children have enough space to lie rearward and ride comfortably. A support plate 64 capable of sliding up and down relative to the rear side frame 62 is provided on the rear side frame 62, a mounting hole 65 for passing a safety belt is provided on the support plate 64, and a positioning structure capable of positioning the position of the support plate 64 is provided between the support plate 64 and the rear side frame 62. The height of the support plate 64 can be adjusted, so that the height of the safety belt passing through the support plate 64 can also be adjusted, which can ensure that children of different heights can comfortably wear the safety belt when riding, for example, the height of the support plate 64 is adjusted when a child with a high stature rides, and the height of the support plate 64 is adjusted when a child with a small stature rides.

[0042] As shown in Figures 10 to 12 As shown, the positioning structure comprises an extension groove 661 extending upward and downward along the rear side frame 62, a plurality of positioning grooves 662 spaced from each other are provided on the two side walls of the extension groove 661, a protruding seat 663 inserted into the extension groove 661 and capable of sliding up and down in the extension groove 661 is provided on the support plate 64, and a protrusion 664 capable of cooperating with the positioning grooves 662 to position is provided on the protruding seat 663. When the protrusion 664 engages with one of the positioning grooves 662, the height of the support plate 64 is positioned, and when adjustment is needed, the support plate 64 is only slightly pulled up and down to make the protrusion 664 exit from one of the positioning grooves 662 and enter another one of the positioning grooves 662, which is convenient for adjustment.

[0043] As shown in Figure 1 and Figure 9As shown, the rear side frame 62 comprises an extension frame 621 extending upward and downward, the extension frame 621 is provided with a left side frame 622 and a right side frame 623 extending to both sides at the lower end, the left side frame 622 and the right side frame 623 are connected to the lower side of the backrest rod 61, and the upper end of the extension frame 621 is connected to the upper end of the backrest rod 61.

[0044] As shown in Figure 7 and Figure 9 As shown, the backrest rod 61 is provided with a T-shaped plug-in seat 67, the left side frame 622 and the right side frame 623 are provided with plug-in grooves 68 capable of being plugged with the plug-in seat 67, and the upper end of the extension frame 621 is provided with a curved portion 624, which is attached to the upper end surface of the backrest rod 61 when the left side frame 622 and the right side frame 623 are plugged with the plug-in seat 67. The whole structure is firm and easy to assemble, only need to put the plug-in groove 68 on the plug-in seat 67, and the curved portion 624 is attached to the upper end of the backrest rod 61, and when the curved portion 624 is attached to the upper end surface of the backrest rod 61, it can be locked by screws.

[0045] As shown in Figures 3 to 5 As shown, the seat connecting seat 1 is plugged with the seat connecting part 200, the seat connecting seat 1 is further provided with a clamping block 12 capable of moving horizontally and being clamped with the clamping hole 202 on the seat connecting part 200 when being plugged, the seat connecting seat 1 is further provided with an exposed button 13 capable of pushing the clamping block 12 out of the clamping hole 202 when being pressed, and the seat connecting seat 1 and the clamping block 12 are provided with a third reset spring 14 capable of pushing the clamping block 12 to slide and reset. When the seat assembly is connected to the child stroller frame 100, the seat connecting seat 1 is plugged with the seat connecting part 200 and the clamping block 12 is clamped into the clamping hole 202, when the seat assembly needs to be disassembled, only need to press the button 13 to make the clamping block 12 exit the clamping hole 202, and once the clamping block 12 exits the clamping hole 202, the seat assembly can be lifted. The button 13 and the clamping block 12 can adopt inclined surface cooperation, so that the vertical movement of the button 13 is converted into the horizontal movement of the clamping block 12.

[0046] As shown in Figure 1 and Figure 5As shown, the second locking assembly 7 includes an engagement groove (not shown) on the seat portion 2. The backrest 6 has an engagement shaft 71 that can slide within it and engage or disengage from the engagement groove. A switch 72 is provided on the backrest 6. A pull cord 73 is provided between the switch 72 and the engagement shaft 71 to pull the engagement shaft away from the engagement groove. A fourth return spring 74 is also provided within the backrest 6 to push the engagement shaft 71 back to its original position. By operating the switch 72 and pulling the pull cord 73, the engagement shaft 71 disengages from the engagement groove, thus unlocking the second locking assembly 7. At this point, the backrest 6 can be rotated and folded. Multiple engagement grooves can be arranged circumferentially on the seat portion 2, allowing adjustment of different tilt positions of the backrest 6.

[0047] like Figures 3 to 6 As shown, a front armrest 9 is also provided between the backrest 6 and the seat connecting seat 1. The front armrest 9 has multiple third locking slots 36 along its circumference. The locking member 33 has locking teeth 37 that can engage or disengage from the third locking slots 36. Furthermore, when the locking member 33 disengages from the second locking slot 32, the locking teeth 37 disengage from the third locking slot 36. Therefore, when the backrest 6 rotates and folds, pushing the locking member 33 away from the second locking slot 32, the locking teeth 37 also disengage from the third locking slot 36, allowing the front armrest 9 to also rotate and fold.

[0048] The present invention has been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the invention.

Claims

1. A child's pushchair seat assembly characterised in that: The seat connecting seat (1) is detachably connected with the seat connecting part (200) on the child stroller frame (100), and a seat part (2) capable of rotating relative to the seat connecting seat (1) and folding towards the child stroller frame (100) is connected to the seat connecting seat (1). A first locking assembly (3) is arranged between the seat part (2) and the seat connecting seat (1). An unlocking trigger block (4) capable of triggering unlocking of the child stroller frame (100) is slidably arranged in the seat connecting seat (1). A protruding shaft (5) capable of rotating with the seat part (2) and penetrating into the seat connecting seat (1) is arranged on the seat part (2). A pushing surface (51) capable of pushing the unlocking trigger block (4) to move when the seat part (2) rotates is arranged on the protruding shaft (5). The first locking assembly (3) comprises a first locking groove (31) arranged in the circumferential direction on the seat part (2). A second locking groove (32) is arranged in the circumferential direction on the seat connecting seat (1). A locking piece (33) capable of moving transversely and capable of being locked with the first locking groove (31) and the second locking groove (32) at the same time is arranged between the seat part (2) and the seat connecting seat (1). A second reset spring (35) capable of pushing the locking piece (33) to move and reset is further arranged between the seat part (2) and the locking piece (33).

2. The child stroller seat assembly of claim 1, wherein: A backrest part (6) capable of rotating relative to the seat part (2) is further arranged on the rear side of the seat part (2). A second locking assembly (7) is arranged between the backrest part (6) and the seat part (2). A driving part (8) capable of driving the first locking assembly (3) to unlock when the backrest part (6) is folded by rotating relative to the seat part (2) is arranged on the backrest part (6).

3. The child stroller seat assembly of claim 2, wherein: A first inclined surface (34) is arranged in the circumferential direction on the locking piece (33). The backrest part (6) is arranged between the seat part (2) and the seat connecting seat (1). The driving part (8) is a protruding block arranged at the lower end of the backrest part (6) and capable of pushing the first inclined surface (34) when the backrest part (6) is folded by rotating, so that the locking piece (33) is separated from the second locking groove (32).

4. The child stroller seat assembly of claim 3, wherein: The backrest part (6) comprises a U-shaped backrest rod (61). The open end of the backrest rod (61) is rotatably connected with the seat part (2). A rear side frame (62) protruding rearward is arranged on the backrest rod (61). The rear side frame (62) and the backrest rod (61) enclose a recess space (63). A support plate (64) capable of sliding up and down relative to the rear side frame (62) is arranged on the rear side frame (62). Mounting holes (65) for mounting safety belts are arranged on the support plate (64). A positioning structure capable of positioning the position of the support plate (64) is arranged between the support plate (64) and the rear side frame (62).

5. The child stroller seat assembly of claim 4, wherein: The positioning structure comprises an extension groove (661) extending upward and downward along the rear frame (62), a plurality of mutually spaced positioning grooves (662) are arranged on the two side walls of the extension groove (661), a protruding seat (663) is arranged on the support plate (64) and can slide upward and downward in the extension groove (661), and a protrusion (664) capable of cooperating with the positioning groove (662) is arranged on the protruding seat (663).

6. The child stroller seat assembly of claim 4, wherein: The rear frame (62) comprises an extension frame (621) extending upward and downward, the lower end of the extension frame (621) is provided with a left side frame (622) and a right side frame (623) extending to both sides, the left side frame (622) and the right side frame (623) are connected to the lower side of the backrest rod (61), and the upper end of the extension frame (621) is connected to the upper end of the backrest rod (61).

7. The stroller seat assembly of claim 6, wherein: The backrest rod (61) is provided with a T-shaped insertion seat (67), the left side frame (622) and the right side frame (623) are provided with an insertion groove (68) capable of being inserted into the insertion seat (67), and the upper end of the extension frame (621) is provided with a curved portion (624), which is in contact with the upper end surface of the backrest rod (61) when the left side frame (622) and the right side frame (623) are inserted into the insertion seat (67).

8. The child stroller seat assembly of claim 1, wherein: The seat connecting seat (1) is inserted into the seat connecting part (200), the seat connecting seat (1) is further provided with a clamping block (12) capable of moving transversely and being clamped with the clamping hole (202) on the seat connecting part (200) when the seat connecting seat (1) is inserted into the seat connecting part (200), the seat connecting seat (1) is further provided with a button (13) exposed and capable of pushing the clamping block (12) away from the clamping hole (202) when pressed, and the third reset spring (14) capable of slidingly resetting the clamping block (12) is arranged between the seat connecting seat (1) and the clamping block (12).

9. The child stroller seat assembly of claim 2, wherein: The second clamping assembly (7) comprises a clamping groove arranged on the seat part (2), the backrest part (6) is provided with a clamping shaft (71) capable of sliding in the backrest part (6) and being clamped with or separated from the clamping groove, the backrest part (6) is provided with a switch (72), the switch (72) and the clamping shaft (71) are provided with a pull rope (73) capable of pulling the clamping shaft (71) away from the clamping groove, and the backrest part (6) is further provided with a fourth reset spring (74) capable of slidingly resetting the clamping shaft (71).

10. The child stroller seat assembly of claim 3, wherein: The front handrail (9) is further arranged between the backrest part (6) and the seat connecting seat (1), a plurality of third clamping grooves (36) are arranged on the front handrail (9) in the circumferential direction, the clamping piece (33) is provided with a clamping tooth (37) capable of being clamped with or separated from the third clamping groove (36), and when the clamping piece (33) is separated from the second clamping groove (32), the clamping tooth (37) is separated from the third clamping groove (36).

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