Foldable child product seat and child stroller

Abstract

According to the foldable child product seat and the child stroller, after a traction rope control mechanism is operated to control a first lock mechanism to be unlocked, the angle of a backrest frame can be adjusted, and the foldable child product seat and the child stroller are suitable for lying, sitting and other postures of children of multiple age groups; after the first locking mechanism is unlocked, the angle of the backrest frame is adjusted to be close to the seat frame to the limit position, the second locking mechanism can be controlled to be unlocked by operating the traction rope control mechanism, the seat frame is allowed to rotate and be folded relative to the connecting base, and then the backrest frame, the seat frame and the connecting base are folded. The connecting seat is installed on the stroller frame, if the stroller frame is folded at the moment, the seat and the stroller frame are completely folded, the size is smaller after folding, operation is convenient, the angle adjusting function and the folding function are controlled through the traction rope control mechanism, but the two functions are achieved in sequence, the functions are clear and do not interfere with each other, misoperation is prevented, and the stroller is convenient to use. The use is safer.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of foldable children's product seat and child stroller. BACKGROUND

[0002] In prior art, foldable children's product seat can be installed on child stroller or child dining chair, wherein, child stroller or child dining chair is generally foldable, and folding principle of its frame is different.

[0003] Backrest of children's seat is generally angle-adjustable relative to seat. Frame of children's product has connecting seat, generally, the connecting seat is fixed on certain link member of frame, or the connecting seat is directly certain link member of frame for realizing folding function, and children's seat is installed on frame through connecting seat.

[0004] In order to make children's product such as child stroller or child dining chair smaller in size when folding, and more space-saving.

[0005] Therefore, it is market demand to design a foldable children's product seat, which folds backrest and seat relative to frame when folding, and is smaller in size after folding. SUMMARY

[0006] The utility model provides a kind of foldable children's product seat to solve the technical problems.

[0007] In order to solve the above technical problems, the technical scheme adopted by the utility model is: a kind of foldable children's product seat, including backrest frame;Seat frame is rotatably connected between lower part of the backrest frame and is provided with the first lock mechanism for locking the position of both, the backrest frame is provided with traction cable control mechanism, and further including at least one connecting seat installed on the frame of child stroller, the seat frame is rotatably connected with the connecting seat and is provided with the second lock mechanism controlled by the traction cable control mechanism, after operating the traction cable control mechanism to control the first lock mechanism to be unlocked, the backrest frame is moved to the limit position lower to the seat frame, then operating the traction cable control mechanism to control the second lock mechanism to be unlocked, allowing the seat frame to be rotatably folded relative to the connecting seat.

[0008] In some embodiments, backrest turntable of lower part of the backrest frame, seat turntable of rear part of the seat frame and connecting turntable of the connecting seat are coaxially rotatably arranged through rotating shaft, the first lock mechanism is arranged between the backrest turntable and the seat turntable, and the second lock mechanism is arranged between the seat turntable and the connecting turntable.

[0009] In some embodiments, the back rotating disc is provided with a traction driving disc capable of controlling the first and second locking mechanisms to be unlocked, the traction driving disc is connected with the lower end of the traction rope of the traction rope control mechanism.

[0010] In some embodiments, the traction driving disc is provided with a driving disc elastic member to overcome the traction force between the traction driving disc and the back rotating disc.

[0011] In some embodiments, the first locking mechanism comprises a first tooth disc respectively inserted between the back teeth slot of the back rotating disc and the seat front teeth slot of the seat rotating disc in the locked position; the first locking mechanism further comprises a first lock driving member capable of pushing the first tooth disc to be separated from the back teeth slot by axial movement to be unlocked, the first lock driving member is only capable of axial movement and is arranged on the back rotating disc, and the first lock driving member is in abutting fit with the traction driving disc through a spiral slope, the traction rope drags the traction driving disc to rotate, the traction driving disc pushes the first lock driving member to be axially moved out through the spiral slope, thereby pushing the first tooth disc to be axially moved to be separated from the back teeth slot to be unlocked, and the seat rotating disc is provided with a first tooth disc elastic member to stabilize the first tooth disc in the locked position between the seat rotating disc and the first tooth disc.

[0012] In some embodiments, the traction driving disc comprises a driving shaft sleeve sleeved on the rotating shaft in the middle part, the driving shaft sleeve extends in the axial direction and is inserted in the seat rotating disc to control the second locking mechanism to be unlocked.

[0013] In some embodiments, the second locking mechanism comprises a second tooth disc respectively inserted between the seat back teeth slot of the seat rotating disc and the connecting teeth slot of the connecting rotating disc in the locked position, when the back frame is close to the seat frame to the limit position, the end of the driving shaft sleeve is in abutting fit with the second tooth disc through the bevel gear structure, the traction rope drags the traction driving disc to continue to rotate, the traction driving disc pushes the second tooth disc to be axially moved out through the bevel gear structure, the second tooth disc is separated from the seat back teeth slot to be unlocked, and the connecting rotating disc is provided with a second tooth disc elastic member to stabilize the second tooth disc in the locked position between the connecting rotating disc and the second tooth disc.

[0014] In some embodiments, the traction rope control mechanism comprises a traction rope and a control mechanism for controlling the lower end of the traction rope to move two strokes.

[0015] In some embodiments, the operating mechanism comprises a base fixed on the top of the backrest frame, a wrench pivotally arranged on the base, the upper end of the traction cable is connected with the wrench, a spring tongue is arranged on the base and inserted into a first stroke rotation track slot of the wrench when the spring tongue is popped out, a second stroke opening button is arranged on the base and used for controlling the spring tongue to retract into the first stroke rotation track slot of the wrench, when the spring tongue is popped out, the wrench is pressed to control the lower end of the traction cable to move upward by a first stroke, when the second stroke opening button is pressed to control the spring tongue to retract, the wrench is continuously pressed to control the lower end of the traction cable to continuously move upward by a second stroke.

[0016] Still another technical problem to be solved by the utility model is to provide a child stroller.

[0017] In order to solve the above technical problem, the utility model adopts the technical scheme of comprising a stroller frame, and the connecting seat is installed on the stroller frame.

[0018] The utility model of the range, not limited to the technical scheme of the specific combination of the above technical features, and should also cover other technical schemes formed by any combination of the above technical features or its equivalent features. For example, the technical scheme formed by mutually replacing the above features and the technical features disclosed in the application (but not limited to) having similar functions.

[0019] Due to the above technical scheme, the utility model has the following advantages compared with the prior art: the utility model provides a foldable child product seat and child stroller, after the first locking mechanism is unlocked by operating the traction cable operating mechanism, the angle of the backrest frame can be adjusted, so that it is suitable for the lying, sitting and other postures of children of multiple age groups;

[0020] After the first locking mechanism is unlocked, the angle of the backrest frame is adjusted to the limit position of the seat frame, and then the second locking mechanism is unlocked by operating the traction cable operating mechanism, so that the seat frame is allowed to rotate and fold relative to the connecting seat, that is, the folding and folding of the backrest frame, the seat frame and the connecting seat are realized. The connecting seat is installed on the stroller frame, and if the stroller frame is folded at this time, the seat and the stroller frame are completely folded, the volume is smaller after folding, the operation is convenient, and the angle adjusting function and the folding function are controlled by the traction cable operating mechanism, but the two functions are realized in sequence, the function is clear, and there is no interference, so as to prevent misoperation and use more safely. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is an explosion structure diagram of the child product seat;

[0022] Figure 2 It is a side view of the child product seat (the backrest and the seat are in a lying angle); It is a side view of the child product seat (the backrest and the seat are in a lying angle);

[0023] Figure 3 Child product seat side view (backrest and seat at sitting angle);

[0024] Figure 4 Child product seat side view (backrest and seat at sitting angle);

[0025] Figure 5 Axial section view of first lock mechanism in locked state, second lock mechanism in locked state;

[0026] Figure 6 Axial section view of first lock mechanism in unlocked state, second lock mechanism in locked state;

[0027] Figure 7 Axial section view of first lock mechanism in unlocked state, second lock mechanism in unlocked state;

[0028] Figure 8 Radial section view of first lock mechanism;

[0029] Figure 9 Corresponding Figure 5 state of traction cable control mechanism, section view of wrench initial position structure;

[0030] Figure 10 Corresponding Figure 7 state of traction cable control mechanism, structure diagram of pressing wrench control traction cable movement second stroke state;

[0031] Figure 11 Stereoscopic diagram of traction drive disc;

[0032] Figure 12 Schematic diagram of the engagement of the helical tooth structure of the traction drive disc and the second tooth disc when the backrest is folded to the limit position below the seat;

[0033] 1, backrest frame; 11, backrest rotating disc; 2, seat frame; 21, seat rotating disc; 3, first lock mechanism; 31, first tooth disc; 32, first lock driving member; 33, first tooth disc elastic member; 4, second lock mechanism; 41, second tooth disc; 42, second tooth disc elastic member; 5, traction cable control mechanism; 51, traction cable; 52, base; 53, wrench; 54, elastic tongue; 55, second stroke opening button; 6, connecting seat; 61, connecting rotating disc; 7, traction drive disc; 71, drive shaft sleeve; 72, helical tooth structure. DETAILED DESCRIPTION

[0034] As shown in the accompanying Figures 1-7As shown in the figure, a foldable child seat, the embodiment is applied to a child stroller, the foldable child seat comprises left and right two connecting seats (6), and further comprises a backrest frame (1) and a seat frame (2) connected between the two connecting seats 6. Figures 2-7 As shown in the figure, the lower ends of the connecting seats 6 are respectively installed on the left and right corresponding sides of the stroller frame of the child stroller.

[0035] The specific structure between the left and right sides of the seat frame 2 and the backrest frame 1 and the corresponding connecting seat 6 is as follows:

[0036] As shown in the figure, Figures 1-7 As shown in the figure, the backrest rotating disc 11 of the lower part of the left and right backrest frames 1, the seat rotating disc 21 of the rear part of the corresponding seat frame 2, and the connecting rotating disc 61 of the corresponding connecting seat 6 are coaxially rotatably arranged through rotating shafts.

[0037] The first lock mechanism 3 for locking the positions of the backrest rotating disc 11 of the backrest frame 1 and the seat rotating disc 21 of the seat frame 2 is arranged between the two, and the second lock mechanism 4 for locking the positions of the seat rotating disc 21 of the seat frame 2 and the connecting rotating disc 61 of the connecting seat 6 is arranged between the two.

[0038] As shown in the figure, Figures 5-8 As shown in the figure, the backrest rotating disc 11 is rotatably arranged with a traction driving disc 7 capable of controlling the unlocking of the first lock mechanism 3 and the second lock mechanism 4. The backrest frame 1 is provided with a traction cable control mechanism 5, and the lower end of the traction cable 51 of the traction cable control mechanism 5 is connected with the traction driving disc 7. In the embodiment, as shown in the figure, Figure 8 As shown in the figure, the driving disc elastic member for resetting to overcome the traction force is arranged between the traction driving disc 7 and the backrest rotating disc 11.

[0039] The traction cable control mechanism 5 controls the upward movement of the lower end of the traction cable 51, thereby controlling the rotation of the traction driving disc 7, and the unlocking of the first lock mechanism 3 and the second lock mechanism 4 can be realized in sequence.

[0040] In detail, as shown in the figure, Figure 5 As shown in the figure, the first lock mechanism 3 comprises a first tooth disc 31 inserted between the backrest tooth groove of the backrest rotating disc 11 and the seat front tooth groove of the seat rotating disc 21 in the locked position respectively; as shown in the figure, Figure 5 , 6 As shown in the figure, the first lock mechanism 3 further comprises a first lock driving member 32 for unlocking by axially moving to push the first tooth disc 31 out of the backrest tooth groove, the first lock driving member 32 is arranged on the backrest rotating disc 11 and can only move axially, and the first lock driving member 32 and the traction driving disc 7 are in abutting engagement through a spiral slope, as shown in the figure, Figure 1 , Figure 5 and Figure 6As shown, the traction cable 51 pulls the traction driving disc 7 to rotate, the traction driving disc 7 pushes the first lock driving member 32 out of the first lock mechanism 3 through the helical slope, the first lock driving member 32 pushes the first tooth disc 31 to move axially to disengage from the backrest tooth groove, so that the first lock mechanism 3 is unlocked. The first tooth disc spring 33 is arranged between the seat rotating disc 21 and the first tooth disc 31 to stabilize the first tooth disc 31 in the locked position. When the traction cable control mechanism 5 is released, the first tooth disc spring 33 can push the first tooth disc 31 and the first lock driving member 32 to reset and lock, and can also assist the traction driving disc 7 to reset.

[0041] As shown in Figure 6 , Figure 7 , the second lock mechanism 4 includes the second tooth disc 41 which is respectively inserted between the seat reverse tooth groove of the seat rotating disc 21 and the connecting tooth groove of the connecting rotating disc 61 in the locked position.

[0042] As shown in Figures 5-7 , 11, 12, the traction driving disc 7 includes the driving shaft sleeve 71 which is sleeved on the rotating shaft in the middle part, the driving shaft sleeve 71 extends in the axial direction, the end of the driving shaft sleeve 71 has the bevel gear structure 72, the driving shaft sleeve 71 is inserted in the seat rotating disc 21, and the bevel gear structure 72 is matched with the second tooth disc 41, so that the second lock mechanism 4 is controlled to be unlocked.

[0043] As shown in Figure 6 , after the first lock mechanism 3 is unlocked by operating the traction cable control mechanism 5, the backrest frame 1 can be angle-adjusted relative to the seat frame 2. When the backrest frame 1 is close to the seat frame 2 to the limit position, as shown in Figure 4 , Figure 12 , at this time, the bevel gear structure 72 at the end of the driving shaft sleeve 71 is in abutting cooperation with the second tooth disc 41, in this state, the traction cable 51 of the traction cable control mechanism 5 continues to move upward, that is, the traction driving disc 7 is pulled to continue to rotate, and the bevel gear structure 72 of the traction driving disc 7 pushes the second tooth disc 41 axially out, as shown in the attached Figure 7 , the second tooth disc 41 disengages from the seat reverse tooth groove, so that the second lock mechanism 4 is unlocked.

[0044] The second tooth disc spring 42 is arranged between the connecting rotating disc 61 and the second tooth disc 41 to stabilize the second tooth disc 41 in the locked position. When the traction cable control mechanism 5 is released, the second tooth disc spring 42 can push the second tooth disc 41 to reset and re-lock, and can also assist the traction driving disc 7 to reset.

[0045] That is, the traction cable 51 is controlled to move upward by a first stroke by operating the traction cable control mechanism 5, the traction driving disc 7 is controlled to rotate by an angle, so that the first lock mechanism 3 is unlocked, at this time, the backrest frame 1 can be angle-adjusted relative to the seat frame 2, and only when the backrest frame 1 is close to the seat frame 2 to the limit position, that is, the first lock mechanism 3 is unlocked, the bevel gear structure 72 at the end of the driving shaft sleeve 71 is in abutting cooperation with the second tooth disc 41, in this state, the traction cable 51 of the traction cable control mechanism 5 continues to move upward, that is, the traction driving disc 7 is pulled to continue to rotate, and the bevel gear structure 72 of the traction driving disc 7 pushes the second tooth disc 41 axially out, as shown in the attached Figures 2-4The second locking mechanism 4 is unlocked, so that the seat frame 2 is allowed to rotate to the connection seat 6, and the folding of the backrest frame 1, the seat frame 2 and the connection seat 6 is realized. The connection seat 6 is installed on the stroller frame, and the stroller frame is folded at this time, so that the seat and the stroller frame are completely folded, and the folded volume is smaller.

[0046] As shown in Figure 9 、 Figure 10 The traction rope control mechanism 5 includes a traction rope 51 and a control mechanism for controlling the movement of the lower end of the traction rope 51 by two strokes. The control mechanism includes a base 52 fixed to the top of the backrest frame 1, a wrench 53 pivotally arranged on the base 52, and the upper end of the traction rope 51 connected to the wrench 53. The base 52 is further provided with a spring tongue 54 inserted into the first stroke rotation track groove of the wrench 53 when the spring tongue 54 is popped out, and a second stroke opening button 55 for controlling the spring tongue 54 to retract from the first stroke rotation track groove of the wrench 53. When the spring tongue 54 is popped out, the lower end of the traction rope 51 is controlled to move upward by a first stroke by pressing the wrench 53. When the second stroke opening button 55 is pressed to control the spring tongue 54 to retract, the lower end of the traction rope 51 is further controlled to move upward by a second stroke by continuing to press the wrench 53.

[0047] The above embodiments are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and to implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made in accordance with the spirit and essence of the present application shall be covered within the protection scope of the present application.

Claims

1. A foldable child seat, comprising: a backrest frame (1); a seat frame (2) rotatably connected with a lower part of the backrest frame (1) and provided with a first locking mechanism (3) for locking the positions of the backrest frame (1) and the seat frame (2); and a traction rope control mechanism (5) provided on the backrest frame (1), characterized in that: the seat frame (2) is rotatably connected with a connecting seat (6) mounted on a vehicle frame and provided with a second locking mechanism (4) controlled by the traction rope control mechanism (5); and after the first locking mechanism (3) is unlocked by operating the traction rope control mechanism (5), the backrest frame (1) is moved towards the seat frame (2) to a limit position, and then the second locking mechanism (4) is unlocked by operating the traction rope control mechanism (5), so that the seat frame (2) is allowed to rotate relative to the connecting seat (6) to be folded. The backrest rotating disc (11) of the lower part of the backrest frame (1), the seat rotating disc (21) of the rear part of the seat frame (2) and the connecting rotating disc (61) of the connecting seat (6) are coaxially rotatably arranged through rotating shafts, the first locking mechanism (3) is arranged between the backrest rotating disc (11) and the seat rotating disc (21), and the second locking mechanism (4) is arranged between the seat rotating disc (21) and the connecting rotating disc (61). The backrest rotating disc (11) is rotatably arranged with a traction driving disc (7) capable of controlling the first locking mechanism (3) and the second locking mechanism (4) to be unlocked, the traction driving disc (7) is connected with the lower end of a traction rope (51) of the traction rope control mechanism (5). A driving disc elastic member is arranged between the traction driving disc (7) and the backrest rotating disc (11) to overcome traction force. The first locking mechanism (3) comprises a first tooth disc (31) respectively inserted between a backrest tooth groove of the backrest rotating disc (11) and a seat front tooth groove of the seat rotating disc (21) in a locked position, and further comprises a first lock driving member (32) capable of moving axially to push the first tooth disc (31) out of the backrest tooth groove to be unlocked, the first lock driving member (32) is arranged on the backrest rotating disc (11) and capable of moving axially only, and the first lock driving member (32) is in abutting fit with the traction driving disc (7) through a spiral slope, the traction rope (51) drags the traction driving disc (7) to rotate, the traction driving disc (7) pushes the first lock driving member (32) axially through the spiral slope, so as to push the first tooth disc (31) to move axially out of the backrest tooth groove to be unlocked, and a first tooth disc elastic member (33) is arranged between the seat rotating disc (21) and the first tooth disc (31) to stabilize the first tooth disc (31) in the locked position. The traction driving disc (7) comprises a driving shaft sleeve (71) sleeved on the rotating shaft in the middle part, the driving shaft sleeve (71) extends along the axial direction and penetrates the seat rotating disc (21) to control the second locking mechanism (4) to be unlocked.

2. The foldable child-seating arrangement of claim 1, wherein: ​ 3. The foldable child-seating arrangement of claim 2, wherein: ​ 4. The foldable child-seating arrangement of claim 3, wherein: ​ 5. The foldable child seat of claim 3, wherein: ​ 6. The foldable child seat of claim 3, wherein: ​ 7. The foldable child-seating arrangement of claim 6, wherein: The second locking mechanism (4) includes a second gear plate (41) respectively inserted between the seat reverse gear slot of the seat rotating disc (21) and the connecting gear slot of the connecting rotating disc (61) in the locked position, when the backrest frame (1) is closed to the seat frame (2) to the limit position, the end of the driving shaft sleeve (71) and the second gear plate (41) are matched by the bevel gear structure (72), The traction cable (51) drags the traction driving disc (7) to continue rotating, the traction driving disc (7) pushes the second gear plate (41) axially through the bevel gear structure (72), the second gear plate (41) is separated from the seat reverse gear slot, thereby unlocking, The connecting rotating disc (61) and the second gear plate (41) are provided with a second gear plate elastic element (42) for stabilizing the second gear plate (41) in the locked position.

8. The foldable child seat of claim 1, wherein: The traction cable control mechanism (5) includes a traction cable (51) and a control mechanism for controlling the movement of the lower end of the traction cable (51) by two strokes.

9. The foldable child seat of claim 8, wherein: The control mechanism includes a base (52) fixed to the top of the backrest frame (1), a wrench (53) pivotally arranged on the base (52), the upper end of the traction cable (51) is connected with the wrench (53), the base (52) is further provided with a spring tongue (54) inserted in the first stroke rotating track groove of the wrench (53) when the spring tongue (54) is popped out, a second stroke opening button (55) for controlling the spring tongue (54) to retract out of the first stroke rotating track groove of the wrench (53), when the spring tongue (54) is popped out, press the wrench (53) to control the lower end of the traction cable (51) to move upward by the first stroke, press the second stroke opening button (55) to control the spring tongue (54) to retract, and then continue to press the wrench (53) to control the lower end of the traction cable (51) to continue to move upward by the second stroke.

10. A stroller comprising the foldable child seat of any one of claims 1-9. The connecting seat (6) is installed on the stroller frame.

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